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PK ! �fw�� � README.mdnu �Iw�� Peast ========== [](https://packagist.org/packages/mck89/peast) [](https://packagist.org/packages/mck89/peast) [](https://packagist.org/packages/mck89/peast) [](https://github.com/mck89/peast/actions/workflows/test.yml) **Peast** _(PHP ECMAScript Abstract Syntax Tree)_ is a PHP 5.4+ library that parses JavaScript code, according to [ECMAScript specification](http://www.ecma-international.org/publications/standards/Ecma-262.htm), and generates an abstract syntax tree following the [ESTree standard](https://github.com/estree/estree). Installation ------------- Include the following requirement to your composer.json: ```json { "require": { "mck89/peast": "dev-master" } } ``` Run `composer install` to install the package. Then in your script include the autoloader and you can start using Peast: ```php require_once "vendor/autoload.php"; $source = "var a = 1"; // Your JavaScript code $ast = Peast\Peast::latest($source, $options)->parse(); // Parse it! ``` Known issues ------------- When Xdebug is enabled and Peast is used to scan code that contains deeply nested functions, this fatal error can appear: ``` PHP Fatal error: Maximum function nesting level of '512' reached, aborting! ``` or ``` PHP Warning: Uncaught Error: Xdebug has detected a possible infinite loop, and aborted your script with a stack depth of '256' frames ``` To prevent this you can set `xdebug.max_nesting_level` to a higher value, such as 512. Documentation ------------- Read the documentation for more examples and explanations: 1. [AST generation and tokenization](doc/ast-and-tokenization.md) 2. [Tree Traversing](doc/tree-traversing.md) 3. [Querying By Selector](doc/querying-by-selector.md) 4. [Rendering](doc/rendering.md) [Changelog](doc/changelog.md) PK ! tEZA A lib/Peast/Peast.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast; /** * Main class of Peast library. * Every function of this class takes two arguments: * - The source code to parse * - The options array that is an associative array of parser settings. * Available options are: * - "sourceType": one of the source type constants declared in this class. * This option tells the parser to parse the source in script or module * mode. If this option is not provided the parser will work in script * mode. * - "sourceEncoding": the encoding of the source. If not specified the * parser will assume UTF-8. * - "strictEncoding": if false the parser will handle invalid UTF8 * characters in the source code by replacing them with the character * defined in the "mbstring.substitute_character" ini setting, otherwise * it will throw an exception. * - "comments": if true it enables comments parsing. * - "jsx": if true it enables parsing of JSX syntax. * * @method static Syntax\Parser ES2015(string $source, array $options = array()) * Returns a parser instance with ES2015 features for the given source. See Peast * class documentation to understand the function arguments. * * @method static Syntax\Parser ES6(string $source, array $options = array()) * Returns a parser instance with ES2015 features for the given source. See Peast * class documentation to understand function arguments. * * @method static Syntax\Parser ES2016(string $source, array $options = array()) * Returns a parser instance with ES2016 features for the given source. See Peast * class documentation to understand function arguments. * * @method static Syntax\Parser ES7(string $source, array $options = array()) * Returns a parser instance with ES2016 features for the given source. See Peast * class documentation to understand function arguments. * * @method static Syntax\Parser ES2017(string $source, array $options = array()) * Returns a parser instance with ES2017 features for the given source. See Peast * class documentation to understand function arguments. * * @method static Syntax\Parser ES8(string $source, array $options = array()) * Returns a parser instance with ES2017 features for the given source. See Peast * class documentation to understand function arguments. * * @method static Syntax\Parser ES2018(string $source, array $options = array()) * Returns a parser instance with ES2018 features for the given source. See Peast * class documentation to understand function arguments. * * @method static Syntax\Parser ES9(string $source, array $options = array()) * Returns a parser instance with ES2018 features for the given source. See Peast * class documentation to understand function arguments. * * @method static Syntax\Parser ES2019(string $source, array $options = array()) * Returns a parser instance with ES2019 features for the given source. See Peast * class documentation to understand function arguments. * * @method static Syntax\Parser ES10(string $source, array $options = array()) * Returns a parser instance with ES2019 features for the given source. See Peast * class documentation to understand function arguments. * * @method static Syntax\Parser ES2020(string $source, array $options = array()) * Returns a parser instance with ES2020 features for the given source. See Peast * class documentation to understand function arguments. * * @method static Syntax\Parser ES11(string $source, array $options = array()) * Returns a parser instance with ES2020 features for the given source. See Peast * class documentation to understand function arguments. * * @method static Syntax\Parser ES2021(string $source, array $options = array()) * Returns a parser instance with ES2021 features for the given source. See Peast * class documentation to understand function arguments. * * @method static Syntax\Parser ES12(string $source, array $options = array()) * Returns a parser instance with ES2021 features for the given source. See Peast * class documentation to understand function arguments. * * @method static Syntax\Parser ES2022(string $source, array $options = array()) * Returns a parser instance with ES2022 features for the given source. See Peast * class documentation to understand function arguments. * * @method static Syntax\Parser ES13(string $source, array $options = array()) * Returns a parser instance with ES2022 features for the given source. See Peast * class documentation to understand function arguments. * * @method static Syntax\Parser ES2023(string $source, array $options = array()) * Returns a parser instance with ES2023 features for the given source. See Peast * class documentation to understand function arguments. * * @method static Syntax\Parser ES14(string $source, array $options = array()) * Returns a parser instance with ES2023 features for the given source. See Peast * class documentation to understand function arguments. * * @method static Syntax\Parser ES2024(string $source, array $options = array()) * Returns a parser instance with ES2024 features for the given source. See Peast * class documentation to understand function arguments. * * @method static Syntax\Parser ES15(string $source, array $options = array()) * Returns a parser instance with ES2024 features for the given source. See Peast * class documentation to understand function arguments. * * @method static Syntax\Parser latest(string $source, array $options = array()) * Returns an instance of the latest parser version for the given source. See * Peast class documentation to understand function arguments. * * @author Marco Marchiò <marco.mm89@gmail.com> */ class Peast { //Source type constants /** * This source type indicates that the source is a script and import * and export keywords are not parsed. */ const SOURCE_TYPE_SCRIPT = "script"; /** * This source type indicates that the source is a module, this enables * the parsing of import and export keywords. */ const SOURCE_TYPE_MODULE = "module"; /** * Valid versions and aliases * * @var array */ static protected $versions = array( "ES6" => "ES2015", "ES7" => "ES2016", "ES8" => "ES2017", "ES9" => "ES2018", "ES10" => "ES2019", "ES11" => "ES2020", "ES12" => "ES2021", "ES13" => "ES2022", "ES14" => "ES2023", "ES15" => "ES2024" ); /** * Magic method that exposes all the functions to access parser with * specific features * * @param string $version Parser version * @param array $args Parser arguments * * @return Syntax\Parser * * @throws \Exception */ public static function __callStatic($version, $args) { $source = $args[0]; $options = isset($args[1]) ? $args[1] : array(); if (!in_array($version, self::$versions)) { if ($version === "latest") { $version = end(self::$versions); } elseif (isset(self::$versions[$version])) { $version = self::$versions[$version]; } else { throw new \Exception("Invalid version $version"); } } $featuresClass = "\\Peast\\Syntax\\$version\\Features"; return new Syntax\Parser( $source, new $featuresClass, $options ); } }PK ! �=�l l lib/Peast/Formatter/Base.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Formatter; /** * Base class for formatters, all the formatters must extend this class. * * @author Marco Marchiò <marco.mm89@gmail.com> * * @abstract */ abstract class Base { /** * New line character * * @var string */ protected $newLine = "\n"; /** * Indentation character * * @var string */ protected $indentation = "\t"; /** * Boolean that indicates if open curly brackets in code blocks must be * on a new line * * @var bool */ protected $newLineBeforeCurlyBracket = false; /** * Boolean that indicates if blocks of code must be wrapped in curly * brackets also if they contain only one instruction * * @var bool */ protected $alwaysWrapBlocks = true; /** * Boolean that indicates if operators must be surrounded by spaces * * @var bool */ protected $spacesAroundOperators = true; /** * Boolean that indicates if content inside round brackets must be * surrounded by spaces * * @var bool */ protected $spacesInsideRoundBrackets = false; /** * Boolean that indicates if comments must be rendered * * @var bool */ protected $renderComments = true; /** * Boolean that indicates if multiline documentation comments * (for example JSDoc syntax) must be manipulated to match the * right indentation * * @var bool */ protected $recalcCommentsIndent = true; /** * Class constructor * * @param bool $renderComments True to render the comments if * the parser has collected them * and the formatter allows their * rendering */ public function __construct($renderComments = false) { if ($this->renderComments) { $this->renderComments = $renderComments; } } /** * Returns the new line character * * @return string */ public function getNewLine() { return $this->newLine; } /** * Returns the indentation character * * @return string */ public function getIndentation() { return $this->indentation; } /** * Returns a boolean that indicates if open curly brackets in code blocks * must be on a new line * * @return bool */ public function getNewLineBeforeCurlyBracket() { return $this->newLineBeforeCurlyBracket; } /** * Returns a boolean that indicates if blocks of code must be wrapped in * curly brackets also if they contain only one instruction * * @return bool */ public function getAlwaysWrapBlocks() { return $this->alwaysWrapBlocks; } /** * Returns a boolean that indicates if operators must be surrounded by * spaces * * @return bool */ public function getSpacesAroundOperator() { return $this->spacesAroundOperators; } /** * Returns a boolean that indicates if content inside round brackets must be * surrounded by spaces * * @return bool */ public function getSpacesInsideRoundBrackets() { return $this->spacesInsideRoundBrackets; } /** * Returns a boolean that indicates if comments must be rendered * * @return bool */ public function getRenderComments() { return $this->renderComments; } /** * Returns a boolean that indicates if multiline documentation comments * (for example JSDoc syntax) must be manipulated to match the * right indentation * * @return bool */ public function getRecalcCommentsIndent() { return $this->recalcCommentsIndent; } }PK ! �j��r r # lib/Peast/Formatter/PrettyPrint.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Formatter; /** * Pretty print formatter. * * @author Marco Marchiò <marco.mm89@gmail.com> */ class PrettyPrint extends Base { }PK ! ��x� � lib/Peast/Formatter/Expanded.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Formatter; /** * Compact formatter. * * @author Marco Marchiò <marco.mm89@gmail.com> */ class Expanded extends Base { /** * Boolean that indicates if open curly brackets in code blocks must be * on a new line * * @var bool */ protected $newLineBeforeCurlyBracket = true; /** * Boolean that indicates if content inside round brackets must be * surrounded by spaces * * @var bool */ protected $spacesInsideRoundBrackets = true; }PK ! �o�G G lib/Peast/Formatter/Compact.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Formatter; /** * Compact formatter. * * @author Marco Marchiò <marco.mm89@gmail.com> */ class Compact extends Base { /** * New line character * * @var string */ protected $newLine = ""; /** * Indentation character * * @var string */ protected $indentation = ""; /** * Boolean that indicates if operators must be surrounded by spaces * * @var bool */ protected $spacesAroundOperators = false; /** * Boolean that indicates if blocks of code must be wrapped in curly * brackets also if they contain only one instruction * * @var bool */ protected $alwaysWrapBlocks = false; /** * Boolean that indicates if comments must be rendered * * @var bool */ protected $renderComments = false; }PK ! BQ:�� � lib/Peast/Selector/Exception.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Selector; /** * Selector exception class. Syntax errors in selectors are thrown * using this exception class. * * @author Marco Marchiò <marco.mm89@gmail.com> * * @codeCoverageIgnore */ class Exception extends \Exception { }PK ! ���S S & lib/Peast/Selector/Node/Combinator.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Selector\Node; use Peast\Selector\Matches; use Peast\Syntax\Utils; use Peast\Traverser; /** * Selector combinator class * * @author Marco Marchiò <marco.mm89@gmail.com> */ class Combinator { /** * Operator * * @var string|null */ protected $operator; /** * Selector parts * * @var Part\Part[] */ protected $parts = array(); /** * Sets the operator * * @param string $operator Operator * @return $this */ public function setOperator($operator) { $this->operator = $operator; return $this; } /** * Adds a new selector part * * @param Part\Part $part Part * @return $this */ public function addPart(Part\Part $part) { $this->parts[] = $part; return $this; } /** * Executes the current group on the given matches * * @param Matches $matches Matches */ public function exec(Matches $matches) { $parts = $this->parts; //Sort the parts by priority to execute faster checks first usort($parts, function ($p1, $p2) { $pr1 = $p1->getPriority(); $pr2 = $p2->getPriority(); if ($pr1 === $pr2) { return 0; } elseif ($pr1 < $pr2) { return -1; } else { return 1; } }); $filter = function ($node, $parent) use ($parts) { foreach ($parts as $part) { if (!$part->check($node, $parent)) { return false; } } return true; }; switch ($this->operator) { case " ": case ">": $children = $this->operator === ">"; $matches->map(function ($curNode) use ($filter, $children) { $ret = array(); $curNode->traverse( function ($node, $parent) use ($filter, $children, &$ret) { if ($filter($node, $parent)) { $ret[] = array($node, $parent); } if ($children) { return Traverser::DONT_TRAVERSE_CHILD_NODES; } }, array( "skipStartingNode" => true, "passParentNode" => true ) ); return $ret; }); break; case "~": case "+": $adjacent = $this->operator === "+"; $matches->map(function ($node, $parent) use ($filter, $adjacent) { $ret = array(); $evaluate = false; $props = $parent ? Utils::getExpandedNodeProperties($parent) : array(); foreach ($props as $propNode) { if ($evaluate) { if ($propNode && $filter($propNode, $parent)) { $ret[] = array($propNode, $parent); } if ($adjacent) { break; } } elseif ($propNode === $node) { $evaluate = true; } } return $ret; }); break; default: $matches->filter($filter); break; } } }PK ! H;� ! lib/Peast/Selector/Node/Group.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Selector\Node; use Peast\Selector\Matches; /** * Selector group class * * @author Marco Marchiò <marco.mm89@gmail.com> */ class Group { /** * Selector combinators * * @var Combinator[] */ protected $combinators = array(); /** * Adds a combinator * * @param Combinator $combinators Combinator * * @return $this */ public function addCombinator(Combinator $combinators) { $this->combinators[] = $combinators; return $this; } /** * Executes the current group on the given matches * * @param Matches $matches Matches */ public function exec(Matches $matches) { foreach ($this->combinators as $combinator) { $combinator->exec($matches); } } }PK ! �:r� � $ lib/Peast/Selector/Node/Selector.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Selector\Node; use Peast\Selector\Matches; /** * Selector class * * @author Marco Marchiò <marco.mm89@gmail.com> */ class Selector { /** * Selector groups * * @var Group[] */ protected $groups = array(); /** * Adds a new group * * @param Group $group Group * * @return $this */ public function addGroup(Group $group) { $this->groups[] = $group; return $this; } /** * Executes the current selector on the given matches * * @param Matches $matches Matches * * @return Matches */ public function exec(Matches $matches) { $retMatches = array(); foreach ($this->groups as $group) { $clonedMatches = $matches->createClone(); $group->exec($clonedMatches); $retMatches[] = $clonedMatches; } if (count($retMatches) > 1) { $retMatches[0]->merge(array_slice($retMatches, 1)); } return $retMatches[0]; } }PK ! 8,�nZ Z / lib/Peast/Selector/Node/Part/PseudoSelector.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Selector\Node\Part; use Peast\Selector\Matches; use Peast\Selector\Node\Selector; use Peast\Syntax\Node\Node; /** * Selector part selector pseudo class * * @author Marco Marchiò <marco.mm89@gmail.com> */ class PseudoSelector extends Pseudo { /** * Priority * * @var int */ protected $priority = 1; /** * Selector * * @var Selector */ protected $selector; /** * Sets the selector * * @param Selector $selector Selector * * @return $this */ public function setSelector(Selector $selector) { $this->selector = $selector; return $this; } /** * Returns true if the selector part matches the given node, * false otherwise * * @param Node $node Node * @param Node $parent Parent node * * @return bool */ public function check(Node $node, $parent = null) { $match = new Matches(); $match->addMatch($node, $parent); $res = $this->selector->exec($match)->count(); return $this->name === "not" ? $res === 0 : $res !== 0; } }PK ! � ^�m m % lib/Peast/Selector/Node/Part/Part.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Selector\Node\Part; use Peast\Syntax\Node\Node; /** * Selector part base class * * @author Marco Marchiò <marco.mm89@gmail.com> * * @abstract */ abstract class Part { /** * Priority * * @var int */ protected $priority = 5; public function getPriority() { return $this->priority; } /** * Returns true if the selector part matches the given node, * false otherwise * * @param Node $node Node * @param Node $parent Parent node * * @return bool * * @abstract */ abstract public function check(Node $node, $parent = null); }PK ! �ŋ�� � * lib/Peast/Selector/Node/Part/Attribute.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Selector\Node\Part; use Peast\Syntax\Node\Node; use Peast\Syntax\Utils; /** * Selector part attribute class * * @author Marco Marchiò <marco.mm89@gmail.com> */ class Attribute extends Part { /** * Priority * * @var int */ protected $priority = 4; /** * Attribute names * * @var array */ protected $names = array(); /** * Attribute match operator * * @var array */ protected $operator = null; /** * Attribute value * * @var mixed */ protected $value = null; /** * Case insensitive flag * * @var bool */ protected $caseInsensitive = false; /** * Regex flag * * @var bool */ protected $regex = false; /** * Adds a name * * @param string $name Name * * @return $this */ public function addName($name) { $this->names[] = $name; return $this; } /** * Sets the operator * * @param string $operator Operator * * @return $this */ public function setOperator($operator) { $this->operator = $operator; return $this; } /** * Sets the value * * @param mixed $value Value * * @return $this */ public function setValue($value) { $this->value = $value; return $this; } /** * Sets the case insensitive flag * * @param bool $caseInsensitive Case insensitive flag * * @return $this */ public function setCaseInsensitive($caseInsensitive) { $this->caseInsensitive = $caseInsensitive; return $this; } /** * Sets the regex flag * * @param bool $regex Regex flag * * @return $this */ public function setRegex($regex) { $this->regex = $regex; return $this; } /** * Returns true if the selector part matches the given node, * false otherwise * * @param Node $node Node * @param Node $parent Parent node * * @return bool */ public function check(Node $node, $parent = null) { $attr = $node; foreach ($this->names as $name) { $attrFound = false; if ($attr instanceof Node) { $props = Utils::getNodeProperties($attr); foreach ($props as $prop) { if ($prop["name"] === $name) { $attrFound = true; $attr = $attr->{$prop["getter"]}(); break; } } } if (!$attrFound) { return false; } } $bothStrings = is_string($attr) && is_string($this->value); switch ($this->operator) { case "=": if ($bothStrings) { if ($this->regex) { return preg_match($this->value, $attr); } return $this->compareStr( $this->value, $attr, $this->caseInsensitive, true, true ); } if (is_int($attr) && is_float($this->value)) { return (float) $attr === $this->value; } return $attr === $this->value; case "<": if (is_float($this->value) && !is_float($attr) && !is_int($attr) && !is_string($attr)) { return false; } return $attr < $this->value; case ">": if (is_float($this->value) && !is_float($attr) && !is_int($attr) && !is_string($attr)) { return false; } return $attr > $this->value; case "<=": if (is_float($this->value) && !is_float($attr) && !is_int($attr) && !is_string($attr)) { return false; } return $attr <= $this->value; case ">=": if (is_float($this->value) && !is_float($attr) && !is_int($attr) && !is_string($attr)) { return false; } return $attr >= $this->value; case "^=": case "$=": case "*=": return $this->compareStr( $this->value, $attr, $this->caseInsensitive, $this->operator === "^=", $this->operator === "$=" ); default: return true; } } /** * Compares two strings * * @param string $v1 Search value * @param string $v2 Compare value * @param bool $caseInsensitive True if the search must be case insensitive * @param bool $matchStart True if the search must be executed from the * beginning of the string * @param bool $matchEnd True if the search must be executed from the * end of the string * * @return bool */ protected function compareStr($v1, $v2, $caseInsensitive, $matchStart, $matchEnd) { $regex = "#" . ($matchStart ? "^" : "") . preg_quote($v1) . ($matchEnd ? "$" : "") . "#u" . ($caseInsensitive ? "i" : ""); return (bool) preg_match($regex, $v2); } }PK ! ��w� % lib/Peast/Selector/Node/Part/Type.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Selector\Node\Part; use Peast\Syntax\Node\Node; /** * Selector part type class * * @author Marco Marchiò <marco.mm89@gmail.com> */ class Type extends Part { /** * Selector type * * @var string */ protected $type; /** * Sets the selector type * * @param string $type Type * * @return $this */ public function setType($type) { $this->type = $type; return $this; } /** * Returns true if the selector part matches the given node, * false otherwise * * @param Node $node Node * @param Node $parent Parent node * * @return bool */ public function check(Node $node, $parent = null) { return $node->getType() === $this->type; } }PK ! �/of f - lib/Peast/Selector/Node/Part/PseudoSimple.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Selector\Node\Part; use Peast\Syntax\Node\Node; use Peast\Syntax\Node\Pattern; use Peast\Syntax\Node\Statement; use Peast\Syntax\Node\Expression; use Peast\Syntax\Node\Declaration; use Peast\Syntax\Utils; /** * Selector part simple pseudo class * * @author Marco Marchiò <marco.mm89@gmail.com> */ class PseudoSimple extends Pseudo { /** * Priority * * @var int */ protected $priority = 3; /** * Returns true if the selector part matches the given node, * false otherwise * * @param Node $node Node * @param Node $parent Parent node * * @return bool */ public function check(Node $node, $parent = null) { switch ($this->name) { case "pattern": return $node instanceof Pattern; case "statement": return $node instanceof Statement; case "expression": return $node instanceof Expression; case "declaration": return $node instanceof Declaration; case "last-child": case "first-child": $first = $this->name === "first-child"; $props = Utils::getExpandedNodeProperties($parent); return count($props) > 0 && ( $first ? $props[0] === $node : array_pop($props) === $node ); } } }PK ! @-핶 � ' lib/Peast/Selector/Node/Part/Pseudo.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Selector\Node\Part; /** * Selector pseudo part base class * * @author Marco Marchiò <marco.mm89@gmail.com> * * @abstract */ abstract class Pseudo extends Part { /** * Selector name * * @var string */ protected $name; /** * Sets the name * * @param string $name Name * * @return $this */ public function setName($name) { $this->name = $name; return $this; } }PK ! �z\F( ( , lib/Peast/Selector/Node/Part/PseudoIndex.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Selector\Node\Part; use Peast\Syntax\Node\Node; use Peast\Syntax\Utils; /** * Selector part index pseudo class * * @author Marco Marchiò <marco.mm89@gmail.com> */ class PseudoIndex extends Pseudo { /** * Priority * * @var int */ protected $priority = 2; /** * Step * * @var int */ protected $step = 0; /** * Offset * * @var int */ protected $offset = 0; /** * Sets the step * * @param int $step Step * * @return $this */ public function setStep($step) { $this->step = $step; return $this; } /** * Sets the offset * * @param int $offset Offset * * @return $this */ public function setOffset($offset) { $this->offset = $offset; return $this; } /** * Returns true if the selector part matches the given node, * false otherwise * * @param Node $node Node * @param Node $parent Parent node * * @return bool */ public function check(Node $node, $parent = null) { $props = Utils::getExpandedNodeProperties($parent); $count = count($props); $reverse = $this->name === "nth-last-child"; if ($reverse) { $start = $count - 1 - ($this->offset - 1); $step = $this->step * -1; if ($step > 0) { $reverse = false; } } else { $start = $this->offset - 1; $step = $this->step; if ($step < 0) { $reverse = true; } } //Step 0 will cause an infinite loop, so it must be set to the //number of props so that it will execute only one iteration if (!$step) { $step = $reverse ? -$count : $count; } for ($i = $start; ($reverse && $i >= 0) || (!$reverse && $i < $count); $i += $step) { if (isset($props[$i]) && $props[$i] === $node) { return true; } } return false; } }PK ! >�z�� � lib/Peast/Selector/Matches.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Selector; use Peast\Syntax\Node\Node; /** * Selector matches class * * @author Marco Marchiò <marco.mm89@gmail.com> */ class Matches { /** * Matches array * * @var array */ protected $matches; /** * Class constructor * * @param array $matches Matches */ public function __construct($matches = array()) { $this->matches = $matches; } /** * Adds a new match * * @param Node $node * @param Node|null $parent */ public function addMatch(Node $node, $parent = null) { $this->matches[] = array($node, $parent); } /** * Returns the matches * * @returns array */ public function getMatches() { return $this->matches; } /** * Returns the matched nodes * * @return array */ public function getNodes() { return array_map(function ($m) { return $m[0]; }, $this->matches); } /** * Filters the matches using the given function, if it returns * a false value the match will be removed. The function will * receive the node and its parent as arguments. * * @param callable $fn Filter function * @return $this */ public function filter(callable $fn) { $newMatches = array(); foreach ($this->matches as $match) { if ($fn($match[0], $match[1])) { $newMatches[] = $match; } } $this->matches = $newMatches; return $this; } /** * Replaces all the matches with the result of the given function. * The function will receive the node and its parent as arguments * and must return an array of matches * * @param callable $fn Map function * * @return $this */ public function map(callable $fn) { $newMatches = array(); foreach ($this->matches as $match) { $res = $fn($match[0], $match[1]); if ($res) { $newMatches = array_merge($newMatches, $res); } } $this->matches = $newMatches; return $this->unique(); } /** * Merges the current object with the other given Matches objects * * @param Matches[] $matchesArr Array of Matches to merge * * @return $this */ public function merge($matchesArr) { foreach ($matchesArr as $matches) { foreach ($matches->getMatches() as $match) { $this->addMatch($match[0], $match[1]); } } return $this->unique(); } /** * Remove all duplicated matches * * @return $this */ public function unique() { $newMatches = array(); $newNodes = array(); foreach ($this->matches as $match) { if (!in_array($match[0], $newNodes, true)) { $newMatches[] = $match; $newNodes[] = $match[0]; } } $this->matches = $newMatches; return $this; } /** * Returns a clone of the current object * * @return Matches */ public function createClone() { return new self($this->matches); } /** * Returns the number of matches * * @return int */ public function count() { return count($this->matches); } /** * Returns the match at the given index * * @param int $index Index * * @return array * * @throws \Exception */ public function get($index) { $index = (int) $index; if (!isset($this->matches[$index])) { throw new \Exception("Invalid index $index"); } return $this->matches[$index]; } }PK ! G d�B �B lib/Peast/Selector/Parser.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Selector; /** * Selector parser class * * @author Marco Marchiò <marco.mm89@gmail.com> */ class Parser { /** * Selector string * * @var string */ protected $selector; /** * Current parser index * * @var int */ protected $index = 0; /** * Selector length * * @var int */ protected $length; /** * Whitespaces * * @var array */ protected $whitespaces = array(" ", "\t", "\n", "\r", "\f"); /** * Combinators * * @var array */ protected $combinators = array(">", "+", "~"); /** * Attribute selector operator characters * * @var array */ protected $attrOperatorChars = array("=", "<", ">", "^", "$", "*"); /** * Attribute selector operators * * @var array */ protected $attrOperators = array("=", "<", ">", "<=", ">=", "^=", "$=", "*="); /** * Valid pseudo selectors. The value indicates the argument type: * - 0: no arguments * - 1: index formula (An+B syntax) * - 2: selector * @var array */ protected $validPseudo = array( "pattern" => 0, "statement" => 0, "expression" => 0, "declaration" => 0, "first-child" => 0, "last-child" => 0, "nth-child" => 1, "nth-last-child" => 1, "has" => 2, "is" => 2, "not" => 2 ); /** * Class constructor * * @param string $selector Selector string * @param array $options Options array. See Query class * documentation for available options */ public function __construct($selector, $options = array()) { $encoding = isset($options["encoding"]) ? $options["encoding"] : null; if ($encoding && !preg_match("/UTF-?8/i", $encoding)) { $selector = mb_convert_encoding($selector, "UTF-8", $encoding); } $this->selector = $selector; $this->length = strlen($selector); } /** * Starts the parsing and returns the parsed selector * * @param bool $filter True if the selector must be used for a filter * * @return Node\Selector * * @throws Exception */ public function parse($filter = false) { $selector = $this->parseSelector($filter); //Throw an exception if the end has not been reached if (($char = $this->getChar()) !== null) { throw new Exception("Invalid syntax '$char'"); } return $selector; } /** * Parses a selector * * @param bool $filter True if the selector must be used for a filter * * @return Node\Selector * * @throws Exception */ public function parseSelector($filter = false) { $selector = new Node\Selector; do { $first = true; $group = new Node\Group; while (true) { $combinator = $this->consumeCombinator(); if (!$first && !$combinator) { break; } $parts = $this->parseSelectorParts(); if (!count($parts)) { throw new Exception("Missing selector after combinator"); } $first = false; $selCombinator = new Node\Combinator; $selCombinator->setOperator( $combinator ?: ($filter ? null : " ") ); foreach ($parts as $part) { $selCombinator->addPart($part); } $group->addCombinator($selCombinator); } $selector->addGroup($group); $this->consumeWhitespaces(); } while ($this->consume(",")); return $selector; } /** * Parses a set of selector pats * * @return array * * @throws Exception */ protected function parseSelectorParts() { $parts = array(); while (true) { if ( ($part = $this->parseSelectorPartType()) || ($part = $this->parseSelectorPartAttribute()) || ($part = $this->parseSelectorPartPseudo()) ) { $parts[] = $part; } else { break; } } return $parts; } /** * Parses a type selector part * * @return Node\Part\Type|null */ protected function parseSelectorPartType() { $type = $this->consumeWord(); if ($type) { $part = new Node\Part\Type; $part->setType($type); return $part; } return null; } /** * Parses an attribute selector part * * @return Node\Part\Attribute|null * * @throws Exception */ protected function parseSelectorPartAttribute() { if (!$this->consume("[")) { return null; } $this->consumeWhitespaces(); $part = new Node\Part\Attribute; if (!($name = $this->consumeWord())) { throw new Exception("Missing attribute name"); } $part->addName($name); while ($this->consume(".")) { if (!($name = $this->consumeWord())) { throw new Exception("Missing attribute name after dot"); } $part->addName($name); } $this->consumeWhitespaces(); $operator = $this->consumeAny($this->attrOperatorChars); if ($operator) { if (!in_array($operator, $this->attrOperators)) { throw new Exception("Invalid attribute operator '$operator'"); } $part->setOperator($operator); $this->consumeWhitespaces(); if (!($value = $this->parseLiteral())) { throw new Exception("Missing attribute value"); } $part->setValue($value[0]); if ($value[1]) { if ($operator != "=") { throw new Exception( "Only '=' operator is valid for attribute regex match" ); } $part->setRegex(true); } $this->consumeWhitespaces(); if ($this->consume("i")) { if (!is_string($value[0]) || $value[1]) { throw new Exception( "Case insensitive flag can be used only for string values" ); } $part->setCaseInsensitive(true); $this->consumeWhitespaces(); } } if (!$this->consume("]")) { throw new Exception("Unterminated attribute selector"); } return $part; } /** * Parses a pseudo selector part * * @return Node\Part\Pseudo|null * * @throws Exception */ protected function parseSelectorPartPseudo() { if (!$this->consume(":")) { return null; } $name = $this->consumeWord("-"); if (!isset($this->validPseudo[$name])) { throw new Exception("Unsupported pseudo selector '$name'"); } $argsType = $this->validPseudo[$name]; $error = false; if ($argsType === 1) { $part = new Node\Part\PseudoIndex; if (!$this->consume("(")) { $error = true; } if (!$error) { $this->consumeWhitespaces(); if ($indices = $this->consumeRegex("-?\d*n(?:\+\d+)?|\d+")) { $indices = explode("n", $indices); if (count($indices) === 1) { $part->setOffset((int) $indices[0]); } else { switch ($indices[0]) { case "": $part->setStep(1); break; case "-": $part->setStep(-1); break; default: $part->setStep((int) $indices[0]); break; } if ($indices[1] !== "") { $part->setOffset((int) $indices[1]); } } } elseif ( ($word = $this->consumeWord()) && ($word === "even" || $word === "odd") ) { $part->setStep(2); if ($word === "odd") { $part->setOffset(1); } } else { $error = true; } $this->consumeWhitespaces(); if (!$error && !$this->consume(")")) { $error = true; } } } elseif ($argsType === 2) { $part = new Node\Part\PseudoSelector; if ( $this->consume("(") && ($selector = $this->parseSelector($name !== "has")) && $this->consume(")") ) { $part->setSelector($selector); } else { $error = true; } } else { $part = new Node\Part\PseudoSimple; } if ($error) { throw new Exception( "Invalid argument for pseudo selector '$name'" ); } $part->setName($name); return $part; } /** * Parses a literal value * * @return array|null * * @throws Exception */ protected function parseLiteral() { if ( ($literal = $this->parseLiteralBoolNull()) !== 0 || ($literal = $this->parseLiteralString()) !== null || ($literal = $this->parseLiteralNumber()) !== null ) { return array($literal, false); } elseif ($literal = $this->parseLiteralRegex()) { return array($literal, true); } return null; } /** * Parses a literal boolean or null value * * @return int|bool|null * * @throws Exception */ protected function parseLiteralBoolNull() { $word = $this->consumeWord(); if (!$word) { return 0; } elseif ($word === "true") { return true; } elseif ($word === "false") { return false; } elseif ($word === "null") { return null; } throw new Exception("Invalid attribute value '$word'"); } /** * Parses a literal string * * @return string|null * * @throws Exception */ protected function parseLiteralString() { if (!($quote = $this->consumeAny(array("'", '"'), true))) { return null; } if (($str = $this->consumeUntil($quote)) === null) { throw new Exception("Unterminated string in attribute value"); } return $str; } /** * Parses a literal number * * @return int|float|null */ protected function parseLiteralNumber() { if ( $this->getChar() === "0" && ($val = $this->consumeRegex("0[xX][a-fA-F]+|0[bB][01]+|0[oO][0-7]+")) ) { $form = strtolower($val[1]); $val = substr($val, 2); if ($form === "x") { return hexdec($val); } elseif ($form === "o") { return octdec($val); } return bindec($val); } $reg = "-?\d+(?:\.\d+)?(?:[eE][+-]?\d+)?|-?\.\d+(?:[eE][+-]?\d+)?"; if (!($val = $this->consumeRegex($reg))) { return null; } return (float) $val; } /** * Parses a literal regex * * @return string|null * * @throws Exception */ protected function parseLiteralRegex() { if (!($sep = $this->consume("/"))) { return null; } if (($reg = $this->consumeUntil($sep, false, true)) === null) { throw new Exception("Unterminated regex in attribute value"); } $modifiers = $this->consumeWord(); return $sep . $reg . ($modifiers ?: ""); } /** * Consumes the given regex * * @param string $regex Regex to consume * * @return mixed|null */ protected function consumeRegex($regex) { if ($this->getChar() === null) { return null; } if (!preg_match("#^($regex)#", substr($this->selector, $this->index), $matches)) { return null; } $this->index += strlen($matches[1]); return $matches[1]; } /** * Consumes all the characters until the given one is reached * * @param string $stop Stop character * @param bool $removeEscapes If false escape characters won't be removed * @param false $includeStop If true stop character will be returned * * @return string|null */ protected function consumeUntil($stop, $removeEscapes = true, $includeStop = false) { $buffer = ""; $escaped = false; while (($char = $this->getChar()) !== null) { $this->index += 1; if (!$escaped) { if ($char === "\\") { $escaped = true; if (!$removeEscapes) { $buffer .= $char; } continue; } elseif ($char === $stop) { if ($includeStop) { $buffer .= $char; } return $buffer; } } $buffer .= $char; $escaped = false; } return null; } /** * Consumes a word composed by characters a-z * * @param null|string $extraChar Extra character to match * * @return string */ protected function consumeWord($extraChar = null) { $buffer = ""; while ($char = $this->getChar()) { if ( ($char >= "a" && $char <= "z") || ($char >= "A" && $char <= "Z") || ($extraChar !== null && $char === $extraChar) ) { $buffer .= $char; $this->index += 1; } else { break; } } return $buffer; } /** * Consumes a combinator * * @return string|null */ protected function consumeCombinator() { //Initial ws can be trimmed if followed by another combinator $ws = $this->consumeWhitespaces(); if ($combinator = $this->consumeAny($this->combinators, true)) { $this->consumeWhitespaces(); } elseif ($ws) { //If there's no other combinators use the space $combinator = " "; } else { $combinator = null; } return $combinator; } /** * Consumes as much whitespaces as possible * * @return string */ protected function consumeWhitespaces() { return $this->consumeAny($this->whitespaces); } /** * Consumes the given characters * * @param array $chars Characters to consume * @param false $stopAtFirst If true only the first matching character * is consumed * * @return string */ protected function consumeAny($chars, $stopAtFirst = false) { $buffer = ""; while (($char = $this->getChar()) !== null) { if (in_array($char, $chars)) { $buffer .= $char; $this->index++; if ($stopAtFirst) { break; } } else { break; } } return $buffer; } /** * Consumes the current character if it is equal to the * given one * * @param string $char Character to compare * * @return string|null */ protected function consume($char) { if ($this->getChar() === $char) { $this->index++; return $char; } return null; } /** * Returns the current character or null if the end * have been reached * * @return string|null */ protected function getChar() { if ($this->index < $this->length) { return $this->selector[$this->index]; } return null; } }PK ! ��U� � $ lib/Peast/Syntax/ES2024/Features.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\ES2024; /** * ES2024 features class * * @author Marco Marchiò <marco.mm89@gmail.com> * * @codeCoverageIgnore */ class Features extends \Peast\Syntax\ES2023\Features { }PK ! k�wG� � lib/Peast/Syntax/Position.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax; /** * This class represents the position in the source code. * * @author Marco Marchiò <marco.mm89@gmail.com> */ class Position implements \JSONSerializable { /** * Source line * * @var int */ protected $line; /** * Source column * * @var int */ protected $column; /** * Source index * * @var int */ protected $index; /** * Class constructor * * @param int $line Source line * @param int $column Source column * @param int $index Source index */ function __construct($line, $column, $index) { $this->line = $line; $this->column = $column; $this->index = $index; } /** * Returns the source line * * @return int */ public function getLine() { return $this->line; } /** * Returns the source column * * @return int */ public function getColumn() { return $this->column; } /** * Returns the source index * * @return int */ public function getIndex() { return $this->index; } /** * Returns a serializable version of the object * * @return array */ #[\ReturnTypeWillChange] public function jsonSerialize() { return array( "line" => $this->getLine(), "column" => $this->getColumn(), "index" => $this->getIndex() ); } }PK ! ��pf( ( $ lib/Peast/Syntax/ES2018/Features.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\ES2018; /** * ES2018 features class * * @author Marco Marchiò <marco.mm89@gmail.com> * * @codeCoverageIgnore */ class Features extends \Peast\Syntax\ES2017\Features { /** * Async iteration and generators * * @var bool */ public $asyncIterationGenerators = true; /** * Rest/spread properties * * @var bool */ public $restSpreadProperties = true; /** * Skip escape sequences checks in tagged template * * @var bool */ public $skipEscapeSeqCheckInTaggedTemplates = true; }PK ! 7]i lib/Peast/Syntax/Exception.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax; /** * Syntax exception class. Syntax errors in the source are thrown using this * using this exception class. * * @author Marco Marchiò <marco.mm89@gmail.com> * * @codeCoverageIgnore */ class Exception extends \Exception { /** * Error position * * @var Position */ protected $position; /** * Class constructor * * @param string $message Error message * @param Position $position Error position */ public function __construct($message, Position $position) { parent::__construct($message); $this->position = $position; } /** * Returns the error position * * @return Position */ public function getPosition() { return $this->position; } }PK ! �L�s�& �& lib/Peast/Syntax/Utils.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax; /** * Utilities class. * * @author Marco Marchiò <marco.mm89@gmail.com> */ class Utils { /** * Converts a string to an array of UTF-8 characters * * @param string $str String to convert * @param bool $strictEncoding If false and the string contains invalid * UTF-8 characters, it will replace those * characters with the one defined in the * mbstring.substitute_character setting * * @return array * * @throws EncodingException */ static public function stringToUTF8Array($str, $strictEncoding = true) { if ($str === "") { return array(); } $ret = preg_split('//u', $str, -1, PREG_SPLIT_NO_EMPTY); if (preg_last_error() === PREG_BAD_UTF8_ERROR) { if (!$strictEncoding) { $str = mb_convert_encoding($str, 'UTF-8', 'UTF-8'); $ret = self::stringToUTF8Array($str, false); } else { throw new EncodingException("String contains invalid UTF-8"); } } return $ret; } /** * Converts an unicode code point to UTF-8 * * @param int $num Unicode code point * * @return string * * @codeCoverageIgnore */ static public function unicodeToUtf8($num) { //From: http://stackoverflow.com/questions/1805802/php-convert-unicode-codepoint-to-utf-8#answer-7153133 if ($num <= 0x7F) { return chr($num); } elseif ($num <= 0x7FF) { return chr(($num >> 6) + 192) . chr(($num & 63) + 128); } elseif ($num <= 0xFFFF) { return chr(($num >> 12) + 224) . chr((($num >> 6) & 63) + 128) . chr(($num & 63) + 128); } elseif ($num <= 0x1FFFFF) { return chr(($num >> 18) + 240) . chr((($num >> 12) & 63) + 128) . chr((($num >> 6) & 63) + 128) . chr(($num & 63) + 128); } return ''; } /** * Compiled line terminators cache * * @var array */ protected static $lineTerminatorsCache; /** * Returns line terminators array * * @return array */ protected static function getLineTerminators() { if (!self::$lineTerminatorsCache) { self::$lineTerminatorsCache = array(); foreach (Scanner::$lineTerminatorsChars as $char) { self::$lineTerminatorsCache[] = is_int($char) ? self::unicodeToUtf8($char) : $char; } } return self::$lineTerminatorsCache; } /** * Converts a surrogate pair of Unicode code points to UTF-8 * * @param string $first First Unicode code point * @param string $second Second Unicode code point * * @return string * * @codeCoverageIgnore */ static public function surrogatePairToUtf8($first, $second) { //From: https://stackoverflow.com/questions/39226593/how-to-convert-utf16-surrogate-pairs-to-equivalent-hex-codepoint-in-php $value = ((hexdec($first) & 0x3ff) << 10) | (hexdec($second) & 0x3ff); return self::unicodeToUtf8($value + 0x10000); } /** * This function takes a string as it appears in the source code and returns * an unquoted version of it * * @param string $str The string to unquote * * @return string */ static public function unquoteLiteralString($str) { //Remove quotes $str = substr($str, 1, -1); //Return immediately if the escape character is missing if (strpos($str, "\\") === false) { return $str; } $lineTerminators = self::getLineTerminators(); //Surrogate pairs regex $surrogatePairsReg = sprintf( 'u(?:%1$s|\{%1$s\})\\\\u(?:%2$s|\{%2$s\})', "[dD][89abAB][0-9a-fA-F]{2}", "[dD][c-fC-F][0-9a-fA-F]{2}" ); //Handle escapes $patterns = array( $surrogatePairsReg, "u\{[a-fA-F0-9]+\}", "u[a-fA-F0-9]{4}", "x[a-fA-F0-9]{2}", "0[0-7]{2}", "[1-7][0-7]", "." ); $reg = "/\\\\(" . implode("|", $patterns) . ")/s"; $simpleSequence = array( "n" => "\n", "f" => "\f", "r" => "\r", "t" => "\t", "v" => "\v", "b" => "\x8" ); $replacement = function ($m) use ($simpleSequence, $lineTerminators) { $type = $m[1][0]; if (isset($simpleSequence[$type])) { // \n, \r, \t ... return $simpleSequence[$type]; } elseif ($type === "u" || $type === "x") { //Invalid unicode or hexadecimal sequences if (strlen($m[1]) === 1) { return "\\$type"; } // Surrogate pair if ($type === "u" && strpos($m[1], "\\") !== false) { $points = explode("\\", $m[1]); return Utils::surrogatePairToUtf8( str_replace(array("{", "}", "u"), "", $points[0]), str_replace(array("{", "}", "u"), "", $points[1]) ); } // \uFFFF, \u{FFFF}, \xFF $code = substr($m[1], 1); $code = str_replace(array("{", "}"), "", $code); return Utils::unicodeToUtf8(hexdec($code)); } elseif ($type >= "0" && $type <= "7") { //Invalid octal sequences if (strlen($m[1]) === 1) { return "\\$type"; } // \123 return Utils::unicodeToUtf8(octdec($m[1])); } elseif (in_array($m[1], $lineTerminators)) { // Escaped line terminators return ""; } else { // Escaped characters return $m[1]; } }; return preg_replace_callback($reg, $replacement, $str); } /** * This function converts a string to a quoted javascript string * * @param string $str String to quote * @param string $quote Quote character * * @return string */ static public function quoteLiteralString($str, $quote) { $escape = self::getLineTerminators(); $escape[] = $quote; $escape[] = "\\\\"; $reg = "/(" . implode("|", $escape) . ")/"; $str = preg_replace($reg, "\\\\$1", $str); return $quote . $str . $quote; } /** * Returns the properties map for the given node * * @param mixed $node Node or class to consider * * @return array */ static protected function getPropertiesMap($node) { static $cache = array(); if ($node instanceof \ReflectionClass) { $className = $node->getName(); } else { $className = get_class($node); } if (!isset($cache[$className])) { $class = new \ReflectionClass($className); $parent = $class->getParentClass(); $props = $parent ? self::getPropertiesMap($parent) : array(); $defaults = $class->getDefaultProperties(); if (isset($defaults["propertiesMap"])) { $props = array_merge($props, $defaults["propertiesMap"]); } $cache[$className] = $props; } return $cache[$className]; } /** * Returns the properties list for the given node * * @param Node\Node $node Node to consider * @param bool $traversable If true it returns only traversable properties * * @return array */ static public function getNodeProperties(Node\Node $node, $traversable = false) { $props = self::getPropertiesMap($node); return array_map( function ($prop) { $ucProp = ucfirst($prop); return array( "name" => $prop, "getter" => "get$ucProp", "setter" => "set$ucProp" ); }, array_keys($traversable ? array_filter($props) : $props) ); } /** * Returns an expanded version of the traversable node properties. * The return of the function is an array of node properties * values with arrays flattened * * @param Node\Node $node Node * * @return array */ static public function getExpandedNodeProperties(Node\Node $node) { $ret = array(); $props = self::getNodeProperties($node, true); foreach ($props as $prop) { $val = $node->{$prop["getter"]}(); if (is_array($val)) { $ret = array_merge($ret, $val); } else { $ret[] = $val; } } return $ret; } /** * Delete an array element by value * * @param array $array Array * @param mixed $val Value to remove * * @return void */ static public function removeArrayValue(&$array, $val) { array_splice($array, array_search($val, $array), 1); } }PK ! 0��^� � $ lib/Peast/Syntax/ES2019/Features.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\ES2019; /** * ES2019 features class * * @author Marco Marchiò <marco.mm89@gmail.com> * * @codeCoverageIgnore */ class Features extends \Peast\Syntax\ES2018\Features { /** * Optional catch binding * * @var bool */ public $optionalCatchBinding = true; /** * Paragraph and line separator in strings * * @var bool */ public $paragraphLineSepInStrings = true; }PK ! �4�^$ ^$ # lib/Peast/Syntax/ParserAbstract.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax; /** * Base class for parsers. * * @author Marco Marchiò <marco.mm89@gmail.com> * * @abstract */ abstract class ParserAbstract { /** * Associated scanner * * @var Scanner */ protected $scanner; /** * Parser features * * @var Features */ protected $features; /** * Parser context * * @var \stdClass */ protected $context; /** * Source type * * @var string */ protected $sourceType; /** * Comments handling * * @var bool */ protected $comments; /** * JSX syntax handling * * @var bool */ protected $jsx; /** * Events emitter * * @var EventsEmitter */ protected $eventsEmitter; /** * Class constructor * * @param string $source Source code * @param Features $features Parser features * @param array $options Parsing options */ public function __construct( $source, Features $features, $options = array() ) { $this->features = $features; $this->sourceType = isset($options["sourceType"]) ? $options["sourceType"] : \Peast\Peast::SOURCE_TYPE_SCRIPT; //Create the scanner $this->scanner = new Scanner($source, $features, $options); //Enable module scanning if required if ($this->sourceType === \Peast\Peast::SOURCE_TYPE_MODULE) { $this->scanner->enableModuleMode(); } //Enable comments scanning $this->comments = isset($options["comments"]) && $options["comments"]; if ($this->comments) { $this->scanner->enableComments(); //Create the comments registry new CommentsRegistry($this); } // Enable jsx syntax if required $this->jsx = isset($options["jsx"]) && $options["jsx"]; $this->initContext(); $this->postInit(); } /** * Initializes parser context * * @return void */ abstract protected function initContext(); /** * Post initialize operations * * @return void */ abstract protected function postInit(); /** * Parses the source * * @return Node\Node * * @abstract */ abstract public function parse(); /** * Returns parsed tokens from the source code * * @return Token[] */ public function tokenize() { $this->scanner->enableTokenRegistration(); $this->parse(); return $this->scanner->getTokens(); } /** * Returns the scanner associated with the parser * * @return Scanner */ public function getScanner() { return $this->scanner; } /** * Returns the parser features class * * @return Features */ public function getFeatures() { return $this->features; } /** * Returns the parser's events emitter * * @return EventsEmitter */ public function getEventsEmitter() { if (!$this->eventsEmitter) { //The event emitter is created here so that it won't exist if not //necessary $this->eventsEmitter = new EventsEmitter; } return $this->eventsEmitter; } /** * Calls a method with an isolated parser context, applying the given flags, * but restoring their values after the execution. * * @param array|null $flags Key/value array of changes to apply to the * context flags. If it's null or the first * element of the array is null the context will * be reset before applying new values. * @param string $fn Method to call * @param array|null $args Method arguments * * @return mixed */ protected function isolateContext($flags, $fn, $args = null) { //Store the current context $oldContext = clone $this->context; //If flag argument is null reset the context if ($flags === null) { $this->initContext(); } else { //Apply new values to the flags foreach ($flags as $k => $v) { // If null reset the context if ($v === null) { $this->initContext(); } else { $this->context->$k = $v; } } } //Call the method with the given arguments $ret = $args ? call_user_func_array(array($this, $fn), $args) : $this->$fn(); //Restore previous context $this->context = $oldContext; return $ret; } /** * Creates a node * * @param string $nodeType Node's type * @param mixed $position Node's start position * * @return Node\Node * * @codeCoverageIgnore */ protected function createNode($nodeType, $position) { //Use the right class to get an instance of the node $nodeClass = "\\Peast\\Syntax\\Node\\" . $nodeType; $node = new $nodeClass; //Add the node start position if ($position instanceof Node\Node || $position instanceof Token) { $position = $position->location->start; } elseif (is_array($position)) { if (count($position)) { $position = $position[0]->location->start; } else { $position = $this->scanner->getPosition(); } } $node->location->start = $position; //Emit the NodeCreated event for the node $this->eventsEmitter && $this->eventsEmitter->fire( "NodeCreated", array($node) ); return $node; } /** * Completes a node by adding the end position * * @param Node\Node $node Node to complete * @param Position $position Node's end position * * @return mixed It actually returns a Node but mixed solves * a lot of PHPDoc problems * * @codeCoverageIgnore */ protected function completeNode(Node\Node $node, $position = null) { //Add the node end position $node->location->end = $position ?: $this->scanner->getPosition(); //Emit the NodeCompleted event for the node $this->eventsEmitter && $this->eventsEmitter->fire( "NodeCompleted", array($node) ); return $node; } /** * Throws a syntax error * * @param string $message Error message * @param Position $position Error position * * @return void * * @throws Exception */ protected function error($message = "", $position = null) { if (!$message) { $token = $this->scanner->getToken(); if ($token === null) { $message = "Unexpected end of input"; } else { $position = $token->location->start; $message = "Unexpected: " . $token->value; } } if (!$position) { $position = $this->scanner->getPosition(); } throw new Exception($message, $position); } /** * Asserts that a valid end of statement follows the current position * * @return boolean * * @throws Exception */ protected function assertEndOfStatement() { //The end of statement is reached when it is followed by line //terminators, end of source, "}" or ";". In the last case the token //must be consumed if (!$this->scanner->noLineTerminators()) { return true; } else { if ($this->scanner->consume(";")) { return true; } $token = $this->scanner->getToken(); if (!$token || $token->value === "}") { return true; } } $this->error(); } /** * Parses a character separated list of instructions or null if the * sequence is not valid * * @param callable $fn Parsing instruction function * @param string $char Separator * * @return array * * @throws Exception */ protected function charSeparatedListOf($fn, $char = ",") { $list = array(); $valid = true; while ($param = $this->$fn()) { $list[] = $param; $valid = true; if (!$this->scanner->consume($char)) { break; } else { $valid = false; } } if (!$valid) { $this->error(); } return $list; } }PK ! a4D A A lib/Peast/Syntax/Features.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax; /** * Parser features class * * @author Marco Marchiò <marco.mm89@gmail.com> * * @codeCoverageIgnore */ class Features { /** * Exponentiation operator * * @var bool */ public $exponentiationOperator = false; /** * Async/await * * @var bool */ public $asyncAwait = false; /** * Trailing comma in function calls and declarations * * @var bool */ public $trailingCommaFunctionCallDeclaration = false; /** * For-in initializer * * @var bool */ public $forInInitializer = false; /** * Async iteration and generators * * @var bool */ public $asyncIterationGenerators = false; /** * Rest/spread properties * * @var bool */ public $restSpreadProperties = false; /** * Skip escape sequences checks in tagged template * * @var bool */ public $skipEscapeSeqCheckInTaggedTemplates = false; /** * Optional catch binding * * @var bool */ public $optionalCatchBinding = false; /** * Paragraph and line separator in strings * * @var bool */ public $paragraphLineSepInStrings = false; /** * Dynamic import * * @var bool */ public $dynamicImport = false; /** * BigInt literals * * @var bool */ public $bigInt = false; /** * Exported name for export all declarations * * @var bool */ public $exportedNameInExportAll = false; /** * Import.meta * * @var bool */ public $importMeta = false; /** * Coalescing operator * * @var bool */ public $coalescingOperator = false; /** * Optional chaining * * @var bool */ public $optionalChaining = false; /** * Logical assignment operators * * @var bool */ public $logicalAssignmentOperators = false; /** * Numeric literal separator * * @var bool */ public $numericLiteralSeparator = false; /** * Private methods and fields * * @var bool */ public $privateMethodsAndFields = false; /** * Class fields * * @var bool */ public $classFields = false; /** * "in" operator for private fields * * @var bool */ public $classFieldsPrivateIn = false; /** * Top level await * * @var bool */ public $topLevelAwait = false; /** * Class static block * * @var bool */ public $classStaticBlock = false; /** * Arbitrary module namespace identifier names * * @var bool */ public $arbitraryModuleNSNames = false; /** * Hashbang comments * * @var bool */ public $hashbangComments = false; }PK ! ���@� � $ lib/Peast/Syntax/ES2015/Features.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\ES2015; /** * ES2015 features class * * @author Marco Marchiò <marco.mm89@gmail.com> * * @codeCoverageIgnore */ class Features extends \Peast\Syntax\Features { }PK ! �-��\ \ 2 lib/Peast/Syntax/Node/TaggedTemplateExpression.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node; /** * A node that represents a tagged template expression. * For example: fn`template` * * @author Marco Marchiò <marco.mm89@gmail.com> */ class TaggedTemplateExpression extends Node implements Expression { /** * Map of node properties * * @var array */ protected $propertiesMap = array( "tag" => true, "quasi" => true ); /** * Tag expression * * @var Expression */ protected $tag; /** * Template * * @var TemplateLiteral */ protected $quasi; /** * Returns the tag expression * * @return Expression */ public function getTag() { return $this->tag; } /** * Sets the tag expression * * @param Expression $tag Tag expression * * @return $this */ public function setTag(Expression $tag) { $this->tag = $tag; return $this; } /** * Returns the template * * @return TemplateLiteral */ public function getQuasi() { return $this->quasi; } /** * Sets the the template * * @param TemplateLiteral $quasi Template * * @return $this */ public function setQuasi(TemplateLiteral $quasi) { $this->quasi = $quasi; return $this; } }PK ! ���� � # lib/Peast/Syntax/Node/Statement.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node; /** * Interface that every statement node must implement. * * @author Marco Marchiò <marco.mm89@gmail.com> */ interface Statement { }PK ! � �J� � 0 lib/Peast/Syntax/Node/ImportDefaultSpecifier.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node; /** * A node that represents a namespace import specifier. * For example "* as test" in: import * as test from "test.js". * * @author Marco Marchiò <marco.mm89@gmail.com> */ class ImportDefaultSpecifier extends ModuleSpecifier { }PK ! �)0 0 ) lib/Peast/Syntax/Node/YieldExpression.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node; /** * A node that represents a yield statement. * * @author Marco Marchiò <marco.mm89@gmail.com> */ class YieldExpression extends Node implements Expression { /** * Map of node properties * * @var array */ protected $propertiesMap = array( "argument" => true, "delegate" => false ); /** * Yield argument * * @var Expression */ protected $argument; /** * Delegate flag that is true when the yield keyword is preceded by * * * @var bool */ protected $delegate = false; /** * Returns yield argument * * @return Expression */ public function getArgument() { return $this->argument; } /** * Sets yield argument * * @param Expression $argument Argument * * @return $this */ public function setArgument($argument) { $this->assertType($argument, "Expression", true); $this->argument = $argument; return $this; } /** * Returns the delegate flag that is true when the yield keyword is * preceded by * * * @return bool */ public function getDelegate() { return $this->delegate; } /** * Sets the delegate flag that is true when the yield keyword is * preceded by * * * @param bool $delegate Delegate flag * * @return $this */ public function setDelegate($delegate) { $this->delegate = (bool) $delegate; return $this; } }PK ! 7���� � ) lib/Peast/Syntax/Node/TemplateElement.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node; use Peast\Syntax\Utils; /** * A node that represents a template element. * For example `foo` and `bar` in: `foo${exp}bar` * * @author Marco Marchiò <marco.mm89@gmail.com> */ class TemplateElement extends Node { /** * Map of node properties * * @var array */ protected $propertiesMap = array( "value" => false, "tail" => false, "rawValue" => false ); /** * Node's value * * @var string */ protected $value; /** * Tail flag that is true when the element is the tail element in a template * * @var bool */ protected $tail = false; /** * Node's raw value * * @var string */ protected $rawValue; /** * Return node's value * * @return string */ public function getValue() { return $this->value; } /** * Sets node's value * * @param mixed $value Value * * @return $this */ public function setValue($value) { $this->value = $value; $this->rawValue = Utils::quoteLiteralString($value, "`"); return $this; } /** * Returns the tail flag that is true when the element is the tail element * in a template * * @return bool */ public function getTail() { return $this->tail; } /** * Sets the tail flag that is true when the element is the tail element * in a template * * @param bool $tail Tail flag * * @return $this */ public function setTail($tail) { $this->tail = (bool) $tail; return $this; } /** * Returns node's raw value * * @return string */ public function getRawValue() { return $this->rawValue; } /** * Sets node's raw value that must be wrapped in templates quotes. * * @param string $rawValue Raw value * * @return $this */ public function setRawValue($rawValue) { $rawValue = preg_replace("#^[`}]|(?:`|\\\$\{)$#", "", $rawValue); $this->setValue(Utils::unquoteLiteralString("`$rawValue`")); $this->rawValue = $rawValue; return $this; } }PK ! ��� W W ( lib/Peast/Syntax/Node/CallExpression.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node; /** * A node that represents a call expression. * For example: test() * * @author Marco Marchiò <marco.mm89@gmail.com> */ class CallExpression extends ChainElement { /** * Map of node properties * * @var array */ protected $propertiesMap = array( "callee" => true, "arguments" => true ); /** * The callee expression * * @var Expression|Super */ protected $callee; /** * The arguments array * * @var Expression[]|SpreadElement[] */ protected $arguments = array(); /** * Returns the callee expression * * @return Expression|Super */ public function getCallee() { return $this->callee; } /** * Sets the callee expression * * @param Expression|Super $callee Callee expression * * @return $this */ public function setCallee($callee) { $this->assertType($callee, array("Expression", "Super")); $this->callee = $callee; return $this; } /** * Returns the arguments array * * @return Expression[]|SpreadElement[] */ public function getArguments() { return $this->arguments; } /** * Sets the arguments array * * @param Expression[]|SpreadElement[] $arguments Arguments array * * @return $this */ public function setArguments($arguments) { $this->assertArrayOf($arguments, array("Expression", "SpreadElement")); $this->arguments = $arguments; return $this; } }PK ! �\�� � lib/Peast/Syntax/Node/Node.phpnu �Iw�� <?php /** @noinspection PhpElementIsNotAvailableInCurrentPhpVersionInspection */ /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node; use Peast\Syntax\SourceLocation; use Peast\Syntax\Position; /** * Base class for all the nodes generated by Peast. * * @author Marco Marchiò <marco.mm89@gmail.com> * * @abstract */ abstract class Node implements \JSONSerializable { /** * Map of node properties * * @var array */ protected $propertiesMap = array( "type" => false, "location" => false, "leadingComments" => false, "trailingComments" => false ); /** * Node location in the source code * * @var SourceLocation */ public $location; /** * Leading comments array * * @var Comment[] */ protected $leadingComments = array(); /** * Trailing comments array * * @var Comment[] */ protected $trailingComments = array(); /** * Class constructor */ public function __construct() { $this->location = new SourceLocation; } /** * Returns node type * * @return string */ public function getType() { $class = explode("\\", get_class($this)); return array_pop($class); } /** * Sets leading comments array * * @param Comment[] $comments Comments array * * @return $this */ public function setLeadingComments($comments) { $this->assertArrayOf($comments, "Comment"); $this->leadingComments = $comments; return $this; } /** * Returns leading comments array * * @return Comment[] */ public function getLeadingComments() { return $this->leadingComments; } /** * Sets trailing comments array * * @param Comment[] $comments Comments array * * @return $this */ public function setTrailingComments($comments) { $this->assertArrayOf($comments, "Comment"); $this->trailingComments = $comments; return $this; } /** * Returns trailing comments array * * @return Comment[] */ public function getTrailingComments() { return $this->trailingComments; } /** * Returns node location in the source code * * @return SourceLocation */ public function getLocation() { return $this->location; } /** * Sets the start position of the node in the source code * * @param Position $position Start position * * @return $this */ public function setStartPosition(Position $position) { $this->location->start = $position; return $this; } /** * Sets the end position of the node in the source code * * @param Position $position Start position * * @return $this */ public function setEndPosition(Position $position) { $this->location->end = $position; return $this; } /** * Traverses the current node and all its child nodes using the given * function * * @param callable $fn Function that will be called on each node * @param array $options Options array. See Traverser class * documentation for available options * * @return $this */ public function traverse(callable $fn, $options = array()) { $traverser = new \Peast\Traverser($options); $traverser->addFunction($fn)->traverse($this); return $this; } /** * Returns a serializable version of the node * * @return array */ #[\ReturnTypeWillChange] public function jsonSerialize() { $ret = array(); $props = \Peast\Syntax\Utils::getNodeProperties($this); foreach ($props as $prop) { $ret[$prop["name"]] = $this->{$prop["getter"]}(); } return $ret; } /** * Renders the current node * * @param \Peast\Formatter\Base $formatter Formatter to use for the * rendering * * @return string */ public function render(\Peast\Formatter\Base $formatter) { $renderer = new \Peast\Renderer(); return $renderer->setFormatter($formatter)->render($this); } /** * Asserts that the given value is an array of defined type * * @param mixed $params Value to check * @param string|array $classes Class or array of classes to check against * @param bool $allowNull If true, null values are allowed * * @return void * * @codeCoverageIgnore */ protected function assertArrayOf($params, $classes, $allowNull = false) { if (!is_array($classes)) { $classes = array($classes); } if (!is_array($params)) { $this->typeError($params, $classes, $allowNull, true); } else { foreach ($params as $param) { foreach ($classes as $class) { if ($param === null && $allowNull) { continue 2; } else { $c = "Peast\\Syntax\\Node\\$class"; if ($param instanceof $c) { continue 2; } } } $this->typeError($param, $classes, $allowNull, true, true); } } } /** * Asserts that the given value respects the defined type * * @param mixed $param Value to check * @param string|array $classes Class or array of classes to check against * @param bool $allowNull If true, null values are allowed * * @return void * * @codeCoverageIgnore */ protected function assertType($param, $classes, $allowNull = false) { if (!is_array($classes)) { $classes = array($classes); } if ($param === null) { if (!$allowNull) { $this->typeError($param, $classes, $allowNull); } } else { foreach ($classes as $class) { $c = "Peast\\Syntax\\Node\\$class"; if ($param instanceof $c) { return; } } $this->typeError($param, $classes, $allowNull); } } /** * Throws an error if the defined type is not supported b * * @param mixed $param The value to check * @param mixed $allowedTypes Class or array of classes to check against * @param bool $allowNull If true, null values are allowed * @param bool $array If true, the value must be an array * @param bool $inArray If true, the value is an array but the content * does not respects the type * * @return void * * @throws \TypeError * * @codeCoverageIgnore */ protected function typeError( $param, $allowedTypes, $allowNull = false, $array = false, $inArray = false ) { $backtrace = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS); $method = $backtrace[2]["class"] . "::" . $backtrace[2]["function"]; $msg = "Argument 0 passed to $method must be "; if ($array) { $msg .= "an array of "; } $msg .= implode(" or ", $allowedTypes); if ($allowNull) { $msg .= " or null"; } if (is_object($param)) { $parts = explode("\\", get_class($param)); $type = array_pop($parts); } else { $type = gettype($param); } if ($inArray) { $type = "array of $type"; } $msg .= ", $type given"; if (version_compare(phpversion(), '7', '>=')) { throw new \TypeError($msg); } else { trigger_error($msg, E_USER_ERROR); } } }PK ! �� � � ( lib/Peast/Syntax/Node/NumericLiteral.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node; /** * A node that represents a numeric literal. * * @author Marco Marchiò <marco.mm89@gmail.com> */ class NumericLiteral extends Literal { /** * Map of node properties * * @var array */ protected $propertiesMap = array( "format" => false ); //Format constants /** * Decimal number format */ const DECIMAL = "decimal"; /** * Hexadecimal number format */ const HEXADECIMAL = "hexadecimal"; /** * Octal number format */ const OCTAL = "octal"; /** * Binary number format */ const BINARY = "binary"; /** * Node's numeric format * * @var string */ protected $format = self::DECIMAL; /** * Numeric forms conversion rules * * @var array */ protected $forms = array( "b" => array( "check" => "/^0b[01]+[01_]*$/i", "conv" => "bindec", "format" => self::BINARY ), "o" => array( "check" => "/^0o[0-7]+[0-7_]*$/i", "conv" => "octdec", "format" => self::OCTAL ), "x" => array( "check" => "/^0x[0-9a-f]+[0-9a-f_]*$/i", "conv" => "hexdec", "format" => self::HEXADECIMAL ), ); /** * Sets node's value * * @param float $value Value * * @return $this */ public function setValue($value) { $value = (float) $value; $intValue = (int) $value; if ($value == $intValue) { $value = $intValue; } $this->value = $value; //Force recalculation of the raw value return $this->setFormat($this->format); } /** * Sets node's raw value * * @param mixed $raw Raw value * * @return $this * * @throws \Exception */ public function setRaw($raw) { $value = $raw; $format = self::DECIMAL; if (is_string($value) && $value !== "") { //Hexadecimal, binary or octal $startZero = $value[0] === "0"; $form = $startZero && isset($value[1]) ? strtolower($value[1]) : null; //Numeric separator cannot appear at the beginning or at the end of the number if (preg_match("/^_|_$/", $value)) { throw new \Exception("Invalid numeric value"); } elseif (isset($this->forms[$form])) { $formDef = $this->forms[$form]; if (!preg_match($formDef["check"], $value)) { throw new \Exception("Invalid " . $formDef["format"]); } $value = str_replace("_", "", $value); $value = $formDef["conv"]($value); $format = $formDef["format"]; } elseif ($startZero && preg_match("/^0[0-7_]+$/", $value)) { //Legacy octal form $value = str_replace("_", "", $value); $value = octdec($value); $format = self::OCTAL; } elseif ( preg_match("/^([\d_]*\.?[\d_]*)(?:e[+\-]?[\d_]+)?$/i", $value, $match) && $match[1] !== "" && $match[1] !== "." && !preg_match("/_e|e[+-]?_|_$/", $value) ) { $value = str_replace("_", "", $value); } else { throw new \Exception("Invalid numeric value"); } } elseif (!is_int($value) && !is_float($value)) { throw new \Exception("Invalid numeric value"); } $value = (float) $value; $intValue = (int) $value; if ($value == $intValue) { $value = $intValue; } $this->format = $format; $this->value = $value; $this->raw = $raw; return $this; } /** * Returns node's numeric format * * @return string */ public function getFormat() { return $this->format; } /** * Sets node's numeric format * * @param string $format Format, one of the format constants * * @return $this */ public function setFormat($format) { $this->format = $format; switch ($format) { case self::BINARY: $this->raw = "0b" . decbin($this->value); break; case self::OCTAL: $this->raw = "0o" . decoct($this->value); break; case self::HEXADECIMAL: $this->raw = "0x" . dechex($this->value); break; default: $this->raw = (string) $this->value; break; } return $this; } }PK ! ����2 2 * lib/Peast/Syntax/Node/DoWhileStatement.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node; /** * A node that represents a do-while loop. * For example: do {} while (test) * * @author Marco Marchiò <marco.mm89@gmail.com> */ class DoWhileStatement extends Node implements Statement { /** * Map of node properties * * @var array */ protected $propertiesMap = array( "body" => true, "test" => true ); /** * The loop body * * @var Statement */ protected $body; /** * The loop condition * * @var Expression */ protected $test; /** * Returns the loop body * * @return Statement */ public function getBody() { return $this->body; } /** * Sets the loop body * * @param Statement $body Loop body * * @return $this */ public function setBody(Statement $body) { $this->body = $body; return $this; } /** * Returns the loop condition * * @return Expression */ public function getTest() { return $this->test; } /** * Sets the loop condition * * @param Expression $test Loop * * @return $this */ public function setTest(Expression $test) { $this->test = $test; return $this; } }PK ! ���� � ) lib/Peast/Syntax/Node/SwitchStatement.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node; /** * A node that represents a switch statement. * For example: switch (test) {} * * @author Marco Marchiò <marco.mm89@gmail.com> */ class SwitchStatement extends Node implements Statement { /** * Map of node properties * * @var array */ protected $propertiesMap = array( "discriminant" => true, "cases" => true ); /** * Discriminant expression * * @var Expression */ protected $discriminant; /** * Cases array * * @var SwitchCase[] */ protected $cases = array(); /** * Returns the discriminant expression * * @return Expression */ public function getDiscriminant() { return $this->discriminant; } /** * Sets the discriminant expression * * @param Expression $discriminant Discriminant expression * * @return $this */ public function setDiscriminant(Expression $discriminant) { $this->discriminant = $discriminant; return $this; } /** * Returns the cases array * * @return SwitchCase[] */ public function getCases() { return $this->cases; } /** * Sets the cases array * * @param SwitchCase[] $cases Cases array * * @return $this */ public function setCases($cases) { $this->assertArrayOf($cases, "SwitchCase"); $this->cases = $cases; return $this; } }PK ! m��|I I ( lib/Peast/Syntax/Node/BooleanLiteral.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node; /** * A node that represents a boolean literal. * * @author Marco Marchiò <marco.mm89@gmail.com> */ class BooleanLiteral extends Literal { /** * Sets node's value * * @param mixed $value Value * * @return $this */ public function setValue($value) { if ($value === "true") { $this->value = true; } elseif ($value === "false") { $this->value = false; } else { $this->value = (bool) $value; } $this->raw = $this->value ? "true" : "false"; return $this; } }PK ! �nt�� � + lib/Peast/Syntax/Node/ModuleDeclaration.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node; /** * Common interface for function import and export nodes. * * @author Marco Marchiò <marco.mm89@gmail.com> */ interface ModuleDeclaration { }PK ! vX $� � * lib/Peast/Syntax/Node/BinaryExpression.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node; /** * A node that represents a binary expression. * For example: a + b * * @author Marco Marchiò <marco.mm89@gmail.com> */ class BinaryExpression extends Node implements Expression { /** * Map of node properties * * @var array */ protected $propertiesMap = array( "left" => true, "operator" => false, "right" => true ); /** * Operator * * @var string */ protected $operator; /** * Left expression * * @var Expression|PrivateIdentifier */ protected $left; /** * Right expression * * @var Expression */ protected $right; /** * Returns the operator * * @return string */ public function getOperator() { return $this->operator; } /** * Sets the operator * * @param string $operator Operator * * @return $this */ public function setOperator($operator) { $this->operator = $operator; return $this; } /** * Returns the left expression * * @return Expression|PrivateIdentifier */ public function getLeft() { return $this->left; } /** * Sets the left expression * * @param Expression|PrivateIdentifier $left Left expression * * @return $this */ public function setLeft($left) { $this->assertType($left, array("Expression", "PrivateIdentifier")); $this->left = $left; return $this; } /** * Returns the right expression * * @return Expression */ public function getRight() { return $this->right; } /** * Sets the right expression * * @param Expression $right Right expression * * @return $this */ public function setRight(Expression $right) { $this->right = $right; return $this; } }PK ! ��G�` ` * lib/Peast/Syntax/Node/MemberExpression.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node; /** * A node that represents a member expression. * For example: foo.bar * * @author Marco Marchiò <marco.mm89@gmail.com> */ class MemberExpression extends ChainElement implements Pattern { /** * Map of node properties * * @var array */ protected $propertiesMap = array( "object" => true, "property" => true, "computed" => false ); /** * Expression's object * * @var Expression|Super */ protected $object; /** * Expression's property * * @var Expression|PrivateIdentifier */ protected $property; /** * Computed flag that is true if the property is declared using square * brackets syntax * * @var bool */ protected $computed = false; /** * Returns the expression's object * * @return Expression|Super */ public function getObject() { return $this->object; } /** * Sets the expression's object * * @param Expression|Super $object Object * * @return $this */ public function setObject($object) { $this->assertType($object, array("Expression", "Super")); $this->object = $object; return $this; } /** * Returns the expression's property * * @return Expression|PrivateIdentifier */ public function getProperty() { return $this->property; } /** * Sets the expression's property * * @param Expression|PrivateIdentifier $property Property * * @return $this */ public function setProperty($property) { $this->assertType($property, array("Expression", "PrivateIdentifier")); $this->property = $property; return $this; } /** * Returns the computed flag that is true if the property is declared * using square brackets syntax * * @return bool */ public function getComputed() { return $this->computed; } /** * Sets the computed flag that is true if the property is declared * using square brackets syntax * * @param bool $computed Computed flag * * @return $this */ public function setComputed($computed) { $this->computed = (bool) $computed; return $this; } }PK ! di� � � + lib/Peast/Syntax/Node/DebuggerStatement.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node; /** * A node that represents a debugger statement. * For example: debugger; * * @author Marco Marchiò <marco.mm89@gmail.com> */ class DebuggerStatement extends Node implements Statement { }PK ! ����l l ( lib/Peast/Syntax/Node/ThrowStatement.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node; /** * A node that represents the throw statement. * For example: throw err * * @author Marco Marchiò <marco.mm89@gmail.com> */ class ThrowStatement extends Node implements Statement { /** * Map of node properties * * @var array */ protected $propertiesMap = array( "argument" => true ); /** * The thrown expression * * @var Expression */ protected $argument; /** * Returns the thrown expression * * @return Expression */ public function getArgument() { return $this->argument; } /** * Sets the thrown expression * * @param Expression $argument The node to set * * @return $this */ public function setArgument(Expression $argument) { $this->argument = $argument; return $this; } }PK ! "� +� � & lib/Peast/Syntax/Node/ChainElement.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node; /** * A node that represents a chain element. * * @author Marco Marchiò <marco.mm89@gmail.com> */ abstract class ChainElement extends Node implements Expression { protected $propertiesMap = array( "optional" => false ); /** * Optional flag that is true if the node is in the optional * part of a chain expression * * @var bool */ protected $optional = false; /** * Returns the optional flag that is true if the node is in * the optional part of a chain expression * * @return bool */ public function getOptional() { return $this->optional; } /** * Sets the optional flag that is true if the node is in * the optional part of a chain expression * * @param bool $optional Optional flag * * @return $this */ public function setOptional($optional) { $this->optional = (bool) $optional; return $this; } }PK ! 5�v� � ' lib/Peast/Syntax/Node/StringLiteral.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node; use Peast\Syntax\Utils; /** * A node that represents a string literal. * * @author Marco Marchiò <marco.mm89@gmail.com> */ class StringLiteral extends Literal { /** * Map of node properties * * @var array */ protected $propertiesMap = array( "format" => false ); //Format constants /** * Double quoted string */ const DOUBLE_QUOTED = "double"; /** * Single quoted string */ const SINGLE_QUOTED = "single"; /** * String format * * @var string */ protected $format = self::DOUBLE_QUOTED; /** * Sets node's value * * @param string $value Value * * @return $this */ public function setValue($value) { $this->value = (string) $value; //Force recalculation of the raw value return $this->setFormat($this->format); } /** * Sets node's raw value * * @param mixed $raw Raw value * * @return $this * * @throws \Exception */ public function setRaw($raw) { if (!is_string($raw) || strlen($raw) < 2) { throw new \Exception("Invalid string"); } $startQuote = $raw[0]; $endQuote = substr($raw, -1); if (($startQuote !== "'" && $startQuote !== '"') || $startQuote !== $endQuote ) { throw new \Exception("Invalid string"); } $this->value = Utils::unquoteLiteralString($raw); $this->setFormat($raw[0] === "'" ? self::SINGLE_QUOTED : self::DOUBLE_QUOTED ); $this->raw = $raw; return $this; } /** * Returns string format * * @return string */ public function getFormat() { return $this->format; } /** * Sets string format * * @param string $format Format, one of the format constants * * @return $this */ public function setFormat($format) { $this->format = $format; $quote = $format === self::SINGLE_QUOTED ? "'" : '"'; $this->raw = Utils::quoteLiteralString($this->value, $quote); return $this; } }PK ! �5� ! lib/Peast/Syntax/Node/Literal.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node; /** * Abstract class for literals. * * @author Marco Marchiò <marco.mm89@gmail.com> */ abstract class Literal extends Node implements Expression { /** * Map of node properties * * @var array */ protected $propertiesMap = array( "value" => false, "raw" => false ); /** * Node's value * * @var mixed */ protected $value; /** * Node's raw value * * @var string */ protected $raw; /** * Returns node's type * * @return string */ public function getType() { return "Literal"; } /** * Returns node's value * * @return mixed */ public function getValue() { return $this->value; } /** * Sets node's value * * @param mixed $value Value * * @return $this */ abstract public function setValue($value); /** * Return node's raw value * * @return string */ public function getRaw() { return $this->raw; } /** * Sets node's raw value * * @param mixed $raw Raw value * * @return $this */ public function setRaw($raw) { return $this->setValue($raw); } }PK ! $U�g� � ' lib/Peast/Syntax/Node/SpreadElement.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node; /** * A node that represents the spread element in array literals or function * calls. * For example "...params" in: test(...params) * * @author Marco Marchiò <marco.mm89@gmail.com> */ class SpreadElement extends Node { /** * Map of node properties * * @var array */ protected $propertiesMap = array( "argument" => true ); /** * The node's argument * * @var Expression */ protected $argument; /** * Returns the node's argument * * @return Expression */ public function getArgument() { return $this->argument; } /** * Sets the node's argument * * @param Expression $argument Node's argument * * @return $this */ public function setArgument(Expression $argument) { $this->argument = $argument; return $this; } }PK ! % �� � % lib/Peast/Syntax/Node/IfStatement.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node; /** * A node that represents an if statement. * For example: if (test) {} else {} * * @author Marco Marchiò <marco.mm89@gmail.com> */ class IfStatement extends Node implements Statement { /** * Map of node properties * * @var array */ protected $propertiesMap = array( "test" => true, "consequent" => true, "alternate" => true ); /** * The test expression * * @var Expression */ protected $test; /** * The statement that is activated if the test expression is true * * @var Statement|FunctionDeclaration */ protected $consequent; /** * The "else" statement * * @var Statement */ protected $alternate; /** * Returns the test expression * * @return Expression */ public function getTest() { return $this->test; } /** * Sets the test expression * * @param Expression $test Test expression * * @return $this */ public function setTest(Expression $test) { $this->test = $test; return $this; } /** * Returns the statement that is activated if the test expression is true * * @return Statement|FunctionDeclaration */ public function getConsequent() { return $this->consequent; } /** * Sets the statement that is activated if the test expression is true * * @param Statement|FunctionDeclaration $consequent The consequent expression * * @return $this */ public function setConsequent($consequent) { $this->assertType( $consequent, array("Statement", "FunctionDeclaration"), true ); $this->consequent = $consequent; return $this; } /** * Returns the "else" statement * * @return Statement */ public function getAlternate() { return $this->alternate; } /** * Sets the "else" statement * * @param Statement|FunctionDeclaration $alternate The "else" statement * * @return $this */ public function setAlternate($alternate) { $this->assertType( $alternate, array("Statement", "FunctionDeclaration"), true ); $this->alternate = $alternate; return $this; } }PK ! �>�� � ' lib/Peast/Syntax/Node/NewExpression.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node; /** * A node that represents a "new" expression. * For example: new test() * * @author Marco Marchiò <marco.mm89@gmail.com> */ class NewExpression extends CallExpression { }PK ! [�m� � - lib/Peast/Syntax/Node/ExpressionStatement.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node; /** * A node that represents an expression statement and wraps another expression. * * @author Marco Marchiò <marco.mm89@gmail.com> */ class ExpressionStatement extends Node implements Statement { /** * Map of node properties * * @var array */ protected $propertiesMap = array( "expression" => true ); /** * Wrapped expression * * @var Expression */ protected $expression; /** * Returns the wrapped expression * * @return Expression */ public function getExpression() { return $this->expression; } /** * Sets the wrapped expression * * @param Expression $expression Wrapped expression * * @return $this */ public function setExpression(Expression $expression) { $this->expression = $expression; return $this; } }PK ! M�c� � 2 lib/Peast/Syntax/Node/ImportNamespaceSpecifier.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node; /** * A node that represents a default import specifier. * For example "test" in: import test from "test.js". * * @author Marco Marchiò <marco.mm89@gmail.com> */ class ImportNamespaceSpecifier extends ModuleSpecifier { }PK ! �� �� � ( lib/Peast/Syntax/Node/BlockStatement.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node; /** * A node that represents a block of code wrapped in curly braces. * * @author Marco Marchiò <marco.mm89@gmail.com> */ class BlockStatement extends Node implements Statement { /** * Map of node properties * * @var array */ protected $propertiesMap = array( "body" => true ); /** * Block's body * * @var Statement[] */ protected $body = array(); /** * Returns block's body * * @return Statement[] */ public function getBody() { return $this->body; } /** * Sets block's body * * @param Statement[] $body Array of Statements that are the body of the * block * * @return $this */ public function setBody($body) { $this->assertArrayOf($body, "Statement"); $this->body = $body; return $this; } }PK ! �E X X $ lib/Peast/Syntax/Node/SwitchCase.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node; /** * A node that represents a case in a switch statement. * * @author Marco Marchiò <marco.mm89@gmail.com> */ class SwitchCase extends Node { /** * Map of node properties * * @var array */ protected $propertiesMap = array( "test" => true, "consequent" => true ); /** * Test expression that is null in the "default" case * * @var Expression */ protected $test; /** * Consequent statements array * * @var Statement[] */ protected $consequent = array(); /** * Returns the test expression that is null in the "default" case * * @return Expression */ public function getTest() { return $this->test; } /** * Sets the test expression that is null in the "default" case * * @param Expression $test Test expression * * @return $this */ public function setTest($test) { $this->assertType($test, "Expression", true); $this->test = $test; return $this; } /** * Returns the consequent statements array * * @return Statement[] */ public function getConsequent() { return $this->consequent; } /** * Sets the consequent statements array * * @param Expression[] $consequent Consequent statements array * * @return $this */ public function setConsequent($consequent) { $this->assertArrayOf($consequent, "Statement"); $this->consequent = $consequent; return $this; } }PK ! �!�I� � ) lib/Peast/Syntax/Node/ImportSpecifier.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node; /** * A node that represents a specifier in an import declaration. * For example "{a}" in: import {a} from "test" * * @author Marco Marchiò <marco.mm89@gmail.com> */ class ImportSpecifier extends ModuleSpecifier { /** * Map of node properties * * @var array */ protected $propertiesMap = array( "imported" => true ); /** * Imported identifier * * @var Identifier|StringLiteral */ protected $imported; /** * Returns the imported identifier * * @return Identifier|StringLiteral */ public function getImported() { return $this->imported; } /** * Sets the imported identifier * * @param Identifier|StringLiteral $imported Imported identifier * * @return $this */ public function setImported($imported) { $this->assertType($imported, array("Identifier", "StringLiteral")); $this->imported = $imported; return $this; } }PK ! S(�6" " 2 lib/Peast/Syntax/Node/ExportDefaultDeclaration.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node; /** * A node that represents the export default declaration. * For example: export default a * * @author Marco Marchiò <marco.mm89@gmail.com> */ class ExportDefaultDeclaration extends Node implements ModuleDeclaration { /** * Map of node properties * * @var array */ protected $propertiesMap = array( "declaration" => true ); /** * The exported declaration * * @var Declaration|Expression */ protected $declaration; /** * Returns the exported declaration * * @return Declaration|Expression */ public function getDeclaration() { return $this->declaration; } /** * Sets the exported declaration * * @param Declaration|Expression $declaration The exported declaration * * @return $this */ public function setDeclaration($declaration) { $this->assertType($declaration, array("Declaration", "Expression")); $this->declaration = $declaration; return $this; } }PK ! � �2y y ( lib/Peast/Syntax/Node/BreakStatement.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node; /** * A node that represents the "break" statement inside loops. * * @author Marco Marchiò <marco.mm89@gmail.com> */ class BreakStatement extends Node implements Statement { /** * Map of node properties * * @var array */ protected $propertiesMap = array( "label" => true ); /** * The optional label of the break statement * * @var Identifier */ protected $label; /** * Returns the node's label * * @return Identifier */ public function getLabel() { return $this->label; } /** * Sets the node's label * * @param Identifier $label Node's label * * @return $this */ public function setLabel($label) { $this->assertType($label, "Identifier", true); $this->label = $label; return $this; } }PK ! �K� % lib/Peast/Syntax/Node/NullLiteral.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node; /** * A node that represents a null literal. * * @author Marco Marchiò <marco.mm89@gmail.com> */ class NullLiteral extends Literal { /** * Node's value * * @var mixed */ protected $value = null; /** * Node's raw value * * @var string */ protected $raw = "null"; /** * Sets node's value * * @param mixed $value Value * * @return $this */ public function setValue($value) { return $this; } }PK ! ��e� � ) lib/Peast/Syntax/Node/ChainExpression.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node; /** * A node that represents a chain expression. * For example: test?.test?.() * * @author Marco Marchiò <marco.mm89@gmail.com> */ class ChainExpression extends Node implements Expression { /** * Map of node properties * * @var array */ protected $propertiesMap = array( "expression" => true ); /** * The wrapped expression * * @var Expression */ protected $expression; /** * Returns the wrapped expression * * @return Expression */ public function getExpression() { return $this->expression; } /** * Sets the wrapped expression * * @param Expression $expression Wrapped expression * * @return $this */ public function setExpression(Expression $expression) { $this->expression = $expression; return $this; } }PK ! ���H� � , lib/Peast/Syntax/Node/PropertyDefinition.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node; /** * A node that represents a property definition in class body. * * @author Marco Marchiò <marco.mm89@gmail.com> */ class PropertyDefinition extends Node { /** * Map of node properties * * @var array */ protected $propertiesMap = array( "key" => true, "value" => true, "computed" => false, "static" => false ); /** * Property key * * @var Expression|PrivateIdentifier */ protected $key; /** * Optional property value * * @var Expression|null */ protected $value; /** * Property computed flag that is true when the property is declared using * the square brackets syntax * * @var bool */ protected $computed = false; /** * Property static flag that is true when the property is declared static * * @var bool */ protected $static = false; /** * Returns the property key * * @return Expression|PrivateIdentifier */ public function getKey() { return $this->key; } /** * Sets the property key * * @param Expression|PrivateIdentifier $key Property key * * @return $this */ public function setKey($key) { $this->assertType($key, array("Expression", "PrivateIdentifier")); $this->key = $key; return $this; } /** * Returns the property value * * @return Expression|null */ public function getValue() { return $this->value; } /** * Sets the property value * * @param Expression|null $value Property value * * @return $this */ public function setValue($value) { $this->assertType($value, "Expression", true); $this->value = $value; return $this; } /** * Returns the property computed flag that is true when the property is * declared using the square brackets syntax * * @return bool */ public function getComputed() { return $this->computed; } /** * Sets the property computed flag that is true when the property is * declared using the square brackets syntax * * @param bool $computed Property computed flag * * @return $this */ public function setComputed($computed) { $this->computed = (bool) $computed; return $this; } /** * Returns the property static flag that is true when the property is * declared static * * @return bool */ public function getStatic() { return $this->static; } /** * Sets the property static flag that is true when the property is * declared static * * @param bool $static Property static flag * * @return $this */ public function setStatic($static) { $this->static = (bool) $static; return $this; } }PK ! �� �� � ! lib/Peast/Syntax/Node/Pattern.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node; /** * Interface that every pattern node must implement. * * @author Marco Marchiò <marco.mm89@gmail.com> */ interface Pattern { }PK ! (��ӈ � 1 lib/Peast/Syntax/Node/ParenthesizedExpression.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node; /** * A node that represents an expression wrapped in round brackets. * * @author Marco Marchiò <marco.mm89@gmail.com> */ class ParenthesizedExpression extends Node implements Expression { /** * Map of node properties * * @var array */ protected $propertiesMap = array( "expression" => true ); /** * The wrapped expression * * @var Expression */ protected $expression; /** * Returns the wrapped expression * * @return Expression */ public function getExpression() { return $this->expression; } /** * Sets the wrapped expression * * @param Expression $expression Wrapped expression * * @return $this */ public function setExpression(Expression $expression) { $this->expression = $expression; return $this; } }PK ! ��;`k k ) lib/Peast/Syntax/Node/TemplateLiteral.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node; /** * A node that represents a template literal. * For example: `this is a ${test()} template` * * @author Marco Marchiò <marco.mm89@gmail.com> */ class TemplateLiteral extends Node implements Expression { /** * Map of node properties * * @var array */ protected $propertiesMap = array( "parts" => true, "quasis" => false, "expressions" => false ); /** * Array of quasis that are the literal parts of the template * * @var TemplateElement[] */ protected $quasis = array(); /** * Array of expressions inside the template * * @var Expression[] */ protected $expressions = array(); /** * Returns the array of quasis that are the literal parts of the template * * @return TemplateElement[] */ public function getQuasis() { return $this->quasis; } /** * Sets the array of quasis that are the literal parts of the template * * @param TemplateElement[] $quasis Quasis * * @return $this */ public function setQuasis($quasis) { $this->assertArrayOf($quasis, "TemplateElement"); $this->quasis = $quasis; return $this; } /** * Returns the array of expressions inside the template * * @return Expression[] */ public function getExpressions() { return $this->expressions; } /** * Sets the array of expressions inside the template * * @param Expression[] $expressions Expressions * * @return $this */ public function setExpressions($expressions) { $this->assertArrayOf($expressions, "Expression"); $this->expressions = $expressions; return $this; } /** * Returns an array of the template parts (quasis and expressions) * * @return array */ public function getParts() { // It must be a list of quasis and expressions alternated $parts = array(); foreach ($this->quasis as $k => $val) { $parts[] = $val; if (isset($this->expressions[$k])) { $parts[] = $this->expressions[$k]; } } return $parts; } /** * Sets the array of the template parts (quasis and expressions) * * @param array Template parts * * @return $this */ public function setParts($parts) { $this->assertArrayOf($parts, array("Expression", "TemplateElement")); $quasis = $expressions = array(); foreach ($parts as $part) { if ($part instanceof TemplateElement) { $quasis[] = $part; } else { $expressions[] = $part; } } return $this->setQuasis($quasis)->setExpressions($expressions); } /** * Returns a serializable version of the node * * @return array */ #[\ReturnTypeWillChange] public function jsonSerialize() { $ret = parent::jsonSerialize(); unset($ret["parts"]); return $ret; } }PK ! $���i i ' lib/Peast/Syntax/Node/WithStatement.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node; /** * A node that represents a with statement. * For example: with (test) {} * * @author Marco Marchiò <marco.mm89@gmail.com> */ class WithStatement extends Node implements Statement { /** * Map of node properties * * @var array */ protected $propertiesMap = array( "object" => true, "body" => true ); /** * The statement subject * * @var Expression */ protected $object; /** * The statement body * * @var Expression */ protected $body; /** * Returns the statement subject * * @return Expression */ public function getObject() { return $this->object; } /** * Sets the statement subject * * @param Expression $object Statement subject * * @return $this */ public function setObject(Expression $object) { $this->object = $object; return $this; } /** * Returns the statement body * * @return Expression */ public function getBody() { return $this->body; } /** * Sets the statement body * * @param Statement $body Statement body * * @return $this */ public function setBody(Statement $body) { $this->body = $body; return $this; } }PK ! ��Aۙ � , lib/Peast/Syntax/Node/AssignmentProperty.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node; /** * A node that represents a property in an object binding pattern. * For example "a" in: var {a} = b * * @author Marco Marchiò <marco.mm89@gmail.com> */ class AssignmentProperty extends Property { /** * Returns node's type * * @return string */ public function getType() { return "Property"; } /** * Sets the property value * * @param Pattern $value Property value * * @return $this */ public function setValue($value) { $this->assertType($value, "Pattern"); $this->value = $value; return $this; } /** * Sets the property kind that is one of the kind constants * * @param string $kind Property kind * * @return $this * * @codeCoverageIgnore */ public function setKind($kind) { return $this; } /** * Sets the property method flag that is true when the property is a method * * @param bool $method Method flag * * @return $this * * @codeCoverageIgnore */ public function setMethod($method) { return $this; } }PK ! r�� " lib/Peast/Syntax/Node/Property.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node; /** * A node that represents a property in an object literal. * For example "b" in: a = {b: 1} * * @author Marco Marchiò <marco.mm89@gmail.com> */ class Property extends Node { /** * Map of node properties * * @var array */ protected $propertiesMap = array( "key" => true, "value" => true, "kind" => false, "method" => false, "shorthand" => false, "computed" => false ); //Kind constants /** * The default kind for properties */ const KIND_INIT = "init"; /** * Getter property */ const KIND_GET = "get"; /** * Setter property */ const KIND_SET = "set"; /** * Property key * * @var Expression */ protected $key; /** * Property value * * @var Expression */ protected $value; /** * Property kind that is one of the kind constants * * @var string */ protected $kind = self::KIND_INIT; /** * Property method flag that is true when the property is a method * * @var bool */ protected $method = false; /** * Property shorthand flag that is true when the property is declared * using an identifier and without a value * * @var bool */ protected $shorthand = false; /** * Property computed flag that is true when the property is declared using * the square brackets syntax * * @var bool */ protected $computed = false; /** * Returns the property key * * @return Expression */ public function getKey() { return $this->key; } /** * Sets the property key * * @param Expression $key Property key * * @return $this */ public function setKey(Expression $key) { $this->key = $key; return $this; } /** * Returns the property value * * @return Expression */ public function getValue() { return $this->value; } /** * Sets the property value * * @param Expression $value Property value * * @return $this */ public function setValue($value) { $this->assertType($value, "Expression"); $this->value = $value; return $this; } /** * Returns the property kind that is one of the kind constants * * @return string */ public function getKind() { return $this->kind; } /** * Sets the property kind that is one of the kind constants * * @param string $kind Property kind * * @return $this */ public function setKind($kind) { $this->kind = $kind; return $this; } /** * Returns the property method flag that is true when the property is a * method * * @return bool */ public function getMethod() { return $this->method; } /** * Sets the property method flag that is true when the property is a method * * @param bool $method Method flag * * @return $this */ public function setMethod($method) { $this->method = (bool) $method; return $this; } /** * Returns the property shorthand flag that is true when the property * is declared using an identifier and without a value * * @return bool */ public function getShorthand() { return $this->shorthand; } /** * Sets the property shorthand flag that is true when the property * is declared using an identifier and without a value * * @param bool $shorthand Property shorthand flag * * @return $this */ public function setShorthand($shorthand) { $this->shorthand = (bool) $shorthand; return $this; } /** * Returns the property computed flag that is true when the property is * declared using the square brackets syntax * * @return bool */ public function getComputed() { return $this->computed; } /** * Sets the property computed flag that is true when the property is * declared using the square brackets syntax * * @param bool $computed Property computed flag * * @return $this */ public function setComputed($computed) { $this->computed = (bool) $computed; return $this; } }PK ! �%a�� � ( lib/Peast/Syntax/Node/ThisExpression.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node; /** * A node that represents the "this" keyword. * * @author Marco Marchiò <marco.mm89@gmail.com> */ class ThisExpression extends Node implements Expression { }PK ! P� ( lib/Peast/Syntax/Node/ForInStatement.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node; /** * A node that represents a for-in statement. * For example: for (var a in b) {} * * @author Marco Marchiò <marco.mm89@gmail.com> */ class ForInStatement extends Node implements Statement { /** * Map of node properties * * @var array */ protected $propertiesMap = array( "left" => true, "right" => true, "body" => true ); /** * Iteration variable * * @var VariableDeclaration|Expression|Pattern */ protected $left; /** * Iterated object * * @var Expression */ protected $right; /** * Loop body * * @var Statement */ protected $body; /** * Returns the iteration variable * * @return VariableDeclaration|Expression|Pattern */ public function getLeft() { return $this->left; } /** * Sets the iteration variable * * @param VariableDeclaration|Expression|Pattern $left Iteration variable * * @return $this */ public function setLeft($left) { $this->assertType( $left, array("VariableDeclaration", "Expression", "Pattern") ); $this->left = $left; return $this; } /** * Returns the iterated object * * @return Expression */ public function getRight() { return $this->right; } /** * Sets the iterated object * * @param Expression $right Iterated object * * @return $this */ public function setRight(Expression $right) { $this->right = $right; return $this; } /** * Returns the loop body * * @return Statement */ public function getBody() { return $this->body; } /** * Sets the loop body * * @param Statement $body Loop body * * @return $this */ public function setBody(Statement $body) { $this->body = $body; return $this; } }PK ! ���� � % lib/Peast/Syntax/Node/CatchClause.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node; /** * A node that represents the catch clause in a try-catch statement. * * @author Marco Marchiò <marco.mm89@gmail.com> */ class CatchClause extends Node { /** * Map of node properties * * @var array */ protected $propertiesMap = array( "param" => true, "body" => true ); /** * The catch clause parameter * * @var Pattern */ protected $param; /** * The body of the catch clause * * @var BlockStatement */ protected $body; /** * Returns the catch clause parameter * * @return Pattern */ public function getParam() { return $this->param; } /** * Sets the catch clause parameter * * @param Pattern $param Catch clause parameter * * @return $this */ public function setParam($param) { $this->assertType($param, "Pattern", true); $this->param = $param; return $this; } /** * Returns the body of the catch clause * * @return BlockStatement */ public function getBody() { return $this->body; } /** * Sets the body of the catch clause * * @param BlockStatement $body The block of code inside the catch clause * * @return $this */ public function setBody(BlockStatement $body) { $this->body = $body; return $this; } }PK ! �; ; * lib/Peast/Syntax/Node/UpdateExpression.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node; /** * A node that represents an update expression. * For example: a++ * * @author Marco Marchiò <marco.mm89@gmail.com> */ class UpdateExpression extends Node implements Expression { /** * Map of node properties * * @var array */ protected $propertiesMap = array( "argument" => true, "operator" => false, "prefix" => false ); /** * Expression's operator * * @var string */ protected $operator; /** * Prefix flag that is true when the operator precedes the argument * * @var bool */ protected $prefix = false; /** * Expression's argument * * @var Expression */ protected $argument; /** * Returns the expression's operator * * @return string */ public function getOperator() { return $this->operator; } /** * Sets the expression's operator * * @param string $operator Operator * * @return $this */ public function setOperator($operator) { $this->operator = $operator; return $this; } /** * Returns the prefix flag that is true when the operator precedes the * argument * * @return bool */ public function getPrefix() { return $this->prefix; } /** * Sets the prefix flag that is true when the operator precedes the * argument * * @param bool $prefix Prefix flag * * @return $this */ public function setPrefix($prefix) { $this->prefix = $prefix; return $this; } /** * Returns the expression's argument * * @return Expression */ public function getArgument() { return $this->argument; } /** * Sets the expression's argument * * @param Expression $argument Argument * * @return $this */ public function setArgument(Expression $argument) { $this->argument = $argument; return $this; } }PK ! ����� � 0 lib/Peast/Syntax/Node/ExportNamedDeclaration.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node; /** * A node that represents an export named declaration. * For example: export {foo} from "bar" * * @author Marco Marchiò <marco.mm89@gmail.com> */ class ExportNamedDeclaration extends Node implements ModuleDeclaration { /** * Map of node properties * * @var array */ protected $propertiesMap = array( "declaration" => true, "specifiers" => true, "source" => true ); /** * Exported declaration * * @var Declaration */ protected $declaration; /** * Exported specifiers * * @var ExportSpecifier[] */ protected $specifiers = array(); /** * The export source * * @var Literal */ protected $source; /** * Returns the exported declaration * * @return Declaration */ public function getDeclaration() { return $this->declaration; } /** * Sets the exported declaration * * @param Declaration $declaration Exported declaration * * @return $this */ public function setDeclaration($declaration) { $this->assertType($declaration, "Declaration", true); $this->declaration = $declaration; return $this; } /** * Return the exported specifiers * * @return ExportSpecifier[] */ public function getSpecifiers() { return $this->specifiers; } /** * Sets the exported specifiers * * @param ExportSpecifier[] $specifiers Exported specifiers * * @return $this */ public function setSpecifiers($specifiers) { $this->assertArrayOf($specifiers, "ExportSpecifier"); $this->specifiers = $specifiers; return $this; } /** * Returns the export source * * @return Literal */ public function getSource() { return $this->source; } /** * Sets the export source * * @param Literal $source Export source * * @return $this */ public function setSource($source) { $this->assertType($source, "Literal", true); $this->source = $source; return $this; } }PK ! �O� � $ lib/Peast/Syntax/Node/Identifier.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node; use Peast\Syntax\Utils; /** * A node that represents an identifier. * * @author Marco Marchiò <marco.mm89@gmail.com> */ class Identifier extends Node implements Expression, Pattern { /** * Map of node properties * * @var array */ protected $propertiesMap = array( "name" => false, "rawName" => false, ); /** * The identifier's name * * @var string */ protected $name; /** * The identifier's raw name * * @var string */ protected $rawName; /** * Returns the identifier's name * * @return string */ public function getName() { return $this->name; } /** * Sets the identifier's name * * @param string $name The name to set * * @return $this */ public function setName($name) { $this->name = $this->rawName = $name; return $this; } /** * Returns the identifier's raw name * * @return string */ public function getRawName() { return $this->rawName; } /** * Sets the identifier's raw name * * @param string $name The raw name to set * * @return $this */ public function setRawName($name) { $this->rawName = $name; if (strpos($name, "\\") !== false) { $this->name = preg_replace_callback( "#\\\\u(?:\{([a-fA-F0-9]+)\}|([a-fA-F0-9]{4}))#", function ($match) { return Utils::unicodeToUtf8(hexdec($match[1] ? : $match[2])); }, $name ); } else { $this->name = $name; } return $this; } }PK ! �o� + lib/Peast/Syntax/Node/PrivateIdentifier.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node; /** * A node that represents a private identifier. * * @author Marco Marchiò <marco.mm89@gmail.com> */ class PrivateIdentifier extends Node { /** * Map of node properties * * @var array */ protected $propertiesMap = array( "name" => false ); /** * The identifier's name * * @var string */ protected $name; /** * Returns the identifier's name * * @return string */ public function getName() { return $this->name; } /** * Sets the identifier's name * * @param string $name The name to set * * @return $this */ public function setName($name) { $this->name = $name; return $this; } }PK ! RC�(� � lib/Peast/Syntax/Node/Super.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node; /** * A node that represents the "super" keyword. * * @author Marco Marchiò <marco.mm89@gmail.com> */ class Super extends Node { }PK ! �ʑ(� � & lib/Peast/Syntax/Node/ArrayPattern.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node; /** * A node that represents an array binding pattern. * For example: [a, b, c] = d * * @author Marco Marchiò <marco.mm89@gmail.com> */ class ArrayPattern extends Node implements Pattern { /** * Map of node properties * * @var array */ protected $propertiesMap = array( "elements" => true ); /** * Array elements * * @var Pattern[] */ protected $elements = array(); /** * Returns array elements * * @return Pattern[] */ public function getElements() { return $this->elements; } /** * Sets array elements * * @param Pattern[] $elements Array elements to set * * @return $this */ public function setElements($elements) { $this->assertArrayOf($elements, "Pattern", true); $this->elements = $elements; return $this; } }PK ! ���U� � , lib/Peast/Syntax/Node/FunctionExpression.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node; /** * A node that represents a function expression * For example: var test = function () {} * * @author Marco Marchiò <marco.mm89@gmail.com> */ class FunctionExpression extends Function_ implements Expression { }PK ! ��S�Z Z + lib/Peast/Syntax/Node/LogicalExpression.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node; /** * A node that represents a logical expression. * For example: a && b * * @author Marco Marchiò <marco.mm89@gmail.com> */ class LogicalExpression extends Node implements Expression { /** * Map of node properties * * @var array */ protected $propertiesMap = array( "left" => true, "operator" => false, "right" => true ); /** * Operator * * @var string */ protected $operator; /** * Left expression * * @var Expression */ protected $left; /** * Right expression * * @var Expression */ protected $right; /** * Returns the operator * * @return string */ public function getOperator() { return $this->operator; } /** * Sets the operator * * @param string $operator Operator * * @return $this */ public function setOperator($operator) { $this->operator = $operator; return $this; } /** * Returns the left expression * * @return Expression */ public function getLeft() { return $this->left; } /** * Sets the left expression * * @param Expression $left Left expression * * @return $this */ public function setLeft(Expression $left) { $this->left = $left; return $this; } /** * Returns the right expression * * @return Expression */ public function getRight() { return $this->right; } /** * Sets the right expression * * @param Expression $right Right expression * * @return $this */ public function setRight(Expression $right) { $this->right = $right; return $this; } }PK ! tq�J J ' lib/Peast/Syntax/Node/RegExpLiteral.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node; /** * A node that represents a regular expression literal. * * @author Marco Marchiò <marco.mm89@gmail.com> */ class RegExpLiteral extends Literal { /** * Map of node properties * * @var array */ protected $propertiesMap = array( "flags" => false, "pattern" => false ); /** * Regex flags * * @var string */ protected $flags = ""; /** * Regex pattern * * @var string */ protected $pattern = ""; /** * Returns node's type * * @return string */ public function getType() { return "RegExpLiteral"; } /** * Returns regex pattern * * @return string */ public function getPattern() { return $this->pattern; } /** * Sets regex pattern * * @param string $pattern Regex pattern * * @return $this */ public function setPattern($pattern) { $this->pattern = $pattern; return $this; } /** * Returns regex flags * * @return string */ public function getFlags() { return $this->flags; } /** * Sets regex flags * * @param string $flags Regex flags * * @return $this */ public function setFlags($flags) { $this->flags = $flags; return $this; } /** * Returns node's raw value * * @return string */ public function getRaw() { return "/" . $this->getPattern() . "/" . $this->getFlags(); } /** * Sets node's raw value that must include delimiters * * @param string $raw Raw value * * @return $this */ public function setRaw($raw) { $parts = explode("/", substr($raw, 1)); $flags = array_pop($parts); $this->setPattern(implode("/", $parts)); $this->setFlags($flags); return $this; } /** * Returns node's value * * @return string */ public function getValue() { return $this->getRaw(); } /** * Sets node's value * * @param mixed $value Value * * @return $this */ public function setValue($value) { return $this->setRaw($value); } }PK ! � "�� � . lib/Peast/Syntax/Node/ExportAllDeclaration.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node; /** * A node that represents an "export all" declaration. * For example: export * from "test" * * @author Marco Marchiò <marco.mm89@gmail.com> */ class ExportAllDeclaration extends Node implements ModuleDeclaration { /** * Map of node properties * * @var array */ protected $propertiesMap = array( "source" => true, "exported" => true ); /** * The export source * * @var Literal */ protected $source; /** * The exported name * * @var Identifier|StringLiteral */ protected $exported; /** * Returns the export source * * @return Literal */ public function getSource() { return $this->source; } /** * Sets the export source * * @param Literal $source Export source * * @return $this */ public function setSource(Literal $source) { $this->source = $source; return $this; } /** * Returns the exported name * * @return Identifier|StringLiteral */ public function getExported() { return $this->exported; } /** * Sets the exported name *W * @param Identifier|StringLiteral $exported Exported name * * @return $this */ public function setExported($exported) { $this->assertType($exported, array("Identifier", "StringLiteral"), true); $this->exported = $exported; return $this; } }PK ! w�v�� � # lib/Peast/Syntax/Node/Function_.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node; /** * Abstract class for functions. * * @author Marco Marchiò <marco.mm89@gmail.com> */ abstract class Function_ extends Node { /** * Map of node properties * * @var array */ protected $propertiesMap = array( "id" => true, "params" => true, "body" => true, "generator" => false, "async" => false ); /** * Function name * * @var Identifier */ protected $id; /** * Function parameters array * * @var Pattern[] */ protected $params = array(); /** * Function body * * @var BlockStatement */ protected $body; /** * Generator flag that is true when the function is a generator * * @var bool */ protected $generator = false; /** * Async flag that is true when it is an async function * * @var bool */ protected $async = false; /** * Returns function name * * @return Identifier */ public function getId() { return $this->id; } /** * Sets function name * * @param Identifier $id Function name * * @return $this */ public function setId($id) { $this->assertType($id, "Identifier", true); $this->id = $id; return $this; } /** * Returns function parameters array * * @return Pattern[] */ public function getParams() { return $this->params; } /** * Sets function parameters array * * @param Pattern[] $params Function parameters array * * @return $this */ public function setParams($params) { $this->assertArrayOf($params, "Pattern"); $this->params = $params; return $this; } /** * Returns function body * * @return BlockStatement */ public function getBody() { return $this->body; } /** * Sets function body * * @param BlockStatement $body Function body * * @return $this */ public function setBody($body) { $this->assertType($body, "BlockStatement"); $this->body = $body; return $this; } /** * Returns the generator flag that is true when the function is a generator * * @return bool */ public function getGenerator() { return $this->generator; } /** * Sets the generator flag that is true when the function is a generator * * @param bool $generator Generator flag * * @return $this */ public function setGenerator($generator) { $this->generator = (bool) $generator; return $this; } /** * Returns the async flag that is true when it is an async function * * @return bool */ public function getAsync() { return $this->async; } /** * Sets the async flag that is true when it is an async function * * @param bool $async Async flag * * @return $this */ public function setAsync($async) { $this->async = (bool) $async; return $this; } }PK ! 1��C C & lib/Peast/Syntax/Node/ForStatement.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node; /** * A node that represents a for statement. * * @author Marco Marchiò <marco.mm89@gmail.com> */ class ForStatement extends Node implements Statement { /** * Map of node properties * * @var array */ protected $propertiesMap = array( "init" => true, "test" => true, "update" => true, "body" => true ); /** * Initializer * * @var VariableDeclaration|Expression */ protected $init; /** * Test expression * * @var Expression */ protected $test; /** * Update expression * * @var Expression */ protected $update; /** * Loop body * * @var Statement */ protected $body; /** * Returns the initializer * * @return VariableDeclaration|Expression */ public function getInit() { return $this->init; } /** * Sets the initializer * * @param VariableDeclaration|Expression $init Initializer * * @return $this */ public function setInit($init) { $this->assertType( $init, array("VariableDeclaration", "Expression"), true ); $this->init = $init; return $this; } /** * Returns the test expression * * @return Expression */ public function getTest() { return $this->test; } /** * Sets the test expression * * @param Expression $test Test expression * * @return $this */ public function setTest($test) { $this->assertType($test, "Expression", true); $this->test = $test; return $this; } /** * Returns the update expression * * @return Expression */ public function getUpdate() { return $this->update; } /** * Sets the update expression * * @param Expression $update Update expression * * @return $this */ public function setUpdate($update) { $this->assertType($update, "Expression", true); $this->update = $update; return $this; } /** * Returns the loop body * * @return Statement */ public function getBody() { return $this->body; } /** * Sets the loop body * * @param Statement $body Loop body * * @return $this */ public function setBody(Statement $body) { $this->body = $body; return $this; } }PK ! t8�� ) lib/Peast/Syntax/Node/ArrayExpression.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node; /** * A node that represents an array literal. * For example: [a, b, c] * * @author Marco Marchiò <marco.mm89@gmail.com> */ class ArrayExpression extends Node implements Expression { /** * Map of node properties * * @var array */ protected $propertiesMap = array( "elements" => true ); /** * Array elements * * @var Expression[]|SpreadElement[] */ protected $elements = array(); /** * Returns array elements * * @return Expression[]|SpreadElement[] */ public function getElements() { return $this->elements; } /** * Sets array elements * * @param Expression[]|SpreadElement[] $elements Array elements to set * * @return $this */ public function setElements($elements) { $this->assertArrayOf( $elements, array("Expression", "SpreadElement"), true ); $this->elements = $elements; return $this; } }PK ! +%6R R ) lib/Peast/Syntax/Node/UnaryExpression.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node; /** * A node that represents a unary expression. * For example: !a * * @author Marco Marchiò <marco.mm89@gmail.com> */ class UnaryExpression extends Node implements Expression { /** * Map of node properties * * @var array */ protected $propertiesMap = array( "argument" => true, "operator" => false, "prefix" => false ); /** * Expression's operator * * @var string */ protected $operator; /** * Prefix flag that is always true since the operator precedes the argument * * @var bool */ protected $prefix = true; /** * Expression's argument * * @var Expression */ protected $argument; /** * Returns the expression's operator * * @return string */ public function getOperator() { return $this->operator; } /** * Sets the expression's operator * * @param string $operator Operator * * @return $this */ public function setOperator($operator) { $this->operator = $operator; return $this; } /** * Returns the prefix flag that is always true since the operator precedes * the argument * * @return bool */ public function getPrefix() { return $this->prefix; } /** * This method does nothing since the prefix flag is always true for * unary expressions * * @param bool $prefix Prefix flag * * @return $this * * @codeCoverageIgnore */ public function setPrefix($prefix) { return $this; } /** * Returns the expression's argument * * @return Expression */ public function getArgument() { return $this->argument; } /** * Sets the expression's argument * * @param Expression $argument Argument * * @return $this */ public function setArgument(Expression $argument) { $this->argument = $argument; return $this; } }PK ! 7�� � � - lib/Peast/Syntax/Node/FunctionDeclaration.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node; /** * A node that represents a function declaration * For example: function test () {} * * @author Marco Marchiò <marco.mm89@gmail.com> */ class FunctionDeclaration extends Function_ implements Declaration { /** * Sets the function identifier * * @param Identifier $id Function identifier * * @return $this */ public function setId($id) { $this->assertType($id, "Identifier"); $this->id = $id; return $this; } }PK ! ����� � ' lib/Peast/Syntax/Node/ObjectPattern.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node; /** * A node that represents an object binding pattern. * For example: var {a, b, c} = d * * @author Marco Marchiò <marco.mm89@gmail.com> */ class ObjectPattern extends Node implements Pattern { /** * Map of node properties * * @var array */ protected $propertiesMap = array( "properties" => true ); /** * Object properties * * @var Property[] */ protected $properties = array(); /** * Returns object properties * * @return Property[] */ public function getProperties() { return $this->properties; } /** * Sets object properties * * @param Property[] $properties Object properties * * @return $this */ public function setProperties($properties) { $this->assertArrayOf($properties, array("AssignmentProperty", "RestElement")); $this->properties = $properties; return $this; } }PK ! �GjC� � ) lib/Peast/Syntax/Node/ModuleSpecifier.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node; /** * Abstract class that export and import specifiers nodes must extend. * * @author Marco Marchiò <marco.mm89@gmail.com> * * @abstract */ abstract class ModuleSpecifier extends Node { /** * Map of node properties * * @var array */ protected $propertiesMap = array( "local" => true ); /** * Local identifier * * @var Identifier|StringLiteral */ protected $local; /** * Returns the local identifier * * @return Identifier|StringLiteral */ public function getLocal() { return $this->local; } /** * Sets the local identifier * * @param Identifier|StringLiteral $local Local identifier * * @return $this */ public function setLocal($local) { $this->assertType($local, array("Identifier", "StringLiteral")); $this->local = $local; return $this; } }PK ! ��,� � ( lib/Peast/Syntax/Node/ForOfStatement.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node; /** * A node that represents the "for...of" statement. * For example: for (var a of b) {} * * @author Marco Marchiò <marco.mm89@gmail.com> */ class ForOfStatement extends ForInStatement { /** * Map of node properties * * @var array */ protected $propertiesMap = array( "left" => true, "right" => true, "body" => true, "await" => false ); /** * Async iteration flag * * @var bool */ protected $await = false; /** * Returns the async iteration flag * * @return bool */ public function getAwait() { return $this->await; } /** * Sets the async iteration flag * * @param bool $await Async iteration flag * * @return $this */ public function setAwait($await) { $this->await = (bool) $await; return $this; } }PK ! �:C� � ) lib/Peast/Syntax/Node/ReturnStatement.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node; /** * A node that represents the return statement inside functions. * For example: return a + 1 * * @author Marco Marchiò <marco.mm89@gmail.com> */ class ReturnStatement extends Node implements Statement { /** * Map of node properties * * @var array */ protected $propertiesMap = array( "argument" => true ); /** * Optional expression after the return keyword * * @var Expression */ protected $argument; /** * Returns the expression after the return keyword * * @return Expression */ public function getArgument() { return $this->argument; } /** * Sets the expression after the return keyword * * @param Expression $argument The expression to return * * @return $this */ public function setArgument($argument) { $this->assertType($argument, "Expression", true); $this->argument = $argument; return $this; } }PK ! A� ' lib/Peast/Syntax/Node/BigIntLiteral.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node; /** * A node that represents a BigInt literal. * * @author Marco Marchiò <marco.mm89@gmail.com> */ class BigIntLiteral extends Literal { /** * Map of node properties * * @var array */ protected $propertiesMap = array( "bigint" => false ); /** * Node's value * * @var mixed */ protected $bigint; /** * Sets node's value * * @param float $value Value * * @return $this */ public function setValue($value) { //Value, Raw and Bigint are always the same value $this->value = $this->raw = $this->bigint = $value; return $this; } /** * Returns node's value * * @return string */ public function getBigint() { return $this->bigint; } /** * Sets node's value * * @param string $bigint Value * * @return $this */ public function setBigint($bigint) { return $this->setValue($bigint); } }PK ! ���L� � + lib/Peast/Syntax/Node/JSX/JSXIdentifier.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node\JSX; use Peast\Syntax\Node\Identifier; /** * A node that represents a JSX identifier. * * @author Marco Marchiò <marco.mm89@gmail.com> */ class JSXIdentifier extends Identifier { }PK ! h�f f 1 lib/Peast/Syntax/Node/JSX/JSXMemberExpression.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node\JSX; use Peast\Syntax\Node\Node; use Peast\Syntax\Node\Expression; /** * A node that represents a JSX member expression. * * @author Marco Marchiò <marco.mm89@gmail.com> */ class JSXMemberExpression extends Node implements Expression { /** * Map of node properties * * @var array */ protected $propertiesMap = array( "object" => true, "property" => true ); /** * Expression's object * * @var JSXMemberExpression|JSXIdentifier */ protected $object; /** * Expression's property * * @var JSXIdentifier */ protected $property; /** * Returns the expression's object * * @return JSXMemberExpression|JSXIdentifier */ public function getObject() { return $this->object; } /** * Sets the expression's object * * @param JSXMemberExpression|JSXIdentifier $object Object * * @return $this */ public function setObject($object) { $this->assertType($object, array("JSX\\JSXMemberExpression", "JSX\\JSXIdentifier")); $this->object = $object; return $this; } /** * Returns the expression's property * * @return JSXIdentifier */ public function getProperty() { return $this->property; } /** * Sets the expression's property * * @param JSXIdentifier $property Property * * @return $this */ public function setProperty(JSXIdentifier $property) { $this->property = $property; return $this; } }PK ! :�8�� � 0 lib/Peast/Syntax/Node/JSX/JSXEmptyExpression.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node\JSX; use Peast\Syntax\Node\Node; /** * A node that represents a JSX empty expression. * * @author Marco Marchiò <marco.mm89@gmail.com> */ class JSXEmptyExpression extends Node { }PK ! �f� � / lib/Peast/Syntax/Node/JSX/JSXClosingElement.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node\JSX; /** * A node that represents a JSX closing element tag. * * @author Marco Marchiò <marco.mm89@gmail.com> */ class JSXClosingElement extends JSXBoundaryElement { }PK ! �Ԅ=z z / lib/Peast/Syntax/Node/JSX/JSXNamespacedName.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node\JSX; use Peast\Syntax\Node\Node; use Peast\Syntax\Node\Expression; /** * A node that represents a JSX namespaced name. * * @author Marco Marchiò <marco.mm89@gmail.com> */ class JSXNamespacedName extends Node implements Expression { /** * Map of node properties * * @var array */ protected $propertiesMap = array( "namespace" => false, "name" => false ); /** * Node's namespace * * @var JSXIdentifier */ protected $namespace; /** * Node's name * * @var JSXIdentifier */ protected $name; /** * Returns node's namespace * * @return JSXIdentifier */ public function getNamespace() { return $this->namespace; } /** * Sets node's namespace * * @param JSXIdentifier $namespace Namespace * * @return $this */ public function setNamespace($namespace) { $this->namespace = $namespace; return $this; } /** * Return node's name * * @return JSXIdentifier */ public function getName() { return $this->name; } /** * Sets node's name * * @param JSXIdentifier $name Name * * @return $this */ public function setName($name) { $this->name = $name; return $this; } }PK ! ��� � 0 lib/Peast/Syntax/Node/JSX/JSXOpeningFragment.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node\JSX; use Peast\Syntax\Node\Node; /** * A node that represents a JSX opening fragment tag. * * @author Marco Marchiò <marco.mm89@gmail.com> */ class JSXOpeningFragment extends Node { }PK ! ̌Է� � ) lib/Peast/Syntax/Node/JSX/JSXFragment.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node\JSX; use Peast\Syntax\Node\Node; use Peast\Syntax\Node\Expression; /** * A node that represents a JSX fragment. * * @author Marco Marchiò <marco.mm89@gmail.com> */ class JSXFragment extends Node implements Expression { /** * Map of node properties * * @var array */ protected $propertiesMap = array( "openingFragment" => true, "children" => true, "closingFragment" => true ); /** * Opening fragment node * * @var JSXOpeningFragment */ protected $openingFragment; /** * Children nodes array * * @var Node[] */ protected $children = array(); /** * Closing fragment node * * @var JSXClosingFragment */ protected $closingFragment; /** * Returns the opening fragment node * * @return JSXOpeningFragment */ public function getOpeningFragment() { return $this->openingFragment; } /** * Sets the opening fragment node * * @param JSXOpeningFragment $openingFragment Opening fragment node * * @return $this */ public function setOpeningFragment(JSXOpeningFragment $openingFragment) { $this->openingFragment = $openingFragment; return $this; } /** * Returns the children nodes array * * @return Node[] */ public function getChildren() { return $this->children; } /** * Sets the children nodes array * * @param Node[] $children Children nodes array * * @return $this */ public function setChildren($children) { $this->assertArrayOf($children, array( "JSX\\JSXText", "JSX\\JSXExpressionContainer", "JSX\\JSXSpreadChild", "JSX\\JSXElement", "JSX\\JSXFragment" )); $this->children = $children; return $this; } /** * Returns the closing fragment node * * @return JSXClosingFragment */ public function getClosingFragment() { return $this->closingFragment; } /** * Sets the closing fragment node * * @param JSXClosingFragment $closingFragment Closing fragment node * * @return $this */ public function setClosingFragment(JSXClosingFragment $closingFragment) { $this->closingFragment = $closingFragment; return $this; } }PK ! �D&�� � / lib/Peast/Syntax/Node/JSX/JSXOpeningElement.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node\JSX; /** * A node that represents a JSX opening element tag. * * @author Marco Marchiò <marco.mm89@gmail.com> */ class JSXOpeningElement extends JSXBoundaryElement { /** * Map of node properties * * @var array */ protected $propertiesMap = array( "attributes" => true, "selfClosing" => false ); /** * Children nodes array * * @var JSXAttribute[]|JSXSpreadAttribute[] */ protected $attributes = array(); /** * Self closing tag mode * * @var bool */ protected $selfClosing = false; /** * Returns the children attributes array * * @return JSXAttribute[]|JSXSpreadAttribute[] */ public function getAttributes() { return $this->attributes; } /** * Sets the attributes nodes array * * @param JSXAttribute[]|JSXSpreadAttribute[] $attributes Attributes nodes * array * * @return $this */ public function setAttributes($attributes) { $this->assertArrayOf($attributes, array( "JSX\\JSXAttribute", "JSX\\JSXSpreadAttribute" )); $this->attributes = $attributes; return $this; } /** * Returns the self closing tag mode * * @return bool */ public function getSelfClosing() { return $this->selfClosing; } /** * Sets the self closing tag mode * * @param bool $selfClosing Self closing tag mode * * @return $this */ public function setSelfClosing($selfClosing) { $this->selfClosing = (bool) $selfClosing; return $this; } }PK ! K&Q�� � 0 lib/Peast/Syntax/Node/JSX/JSXSpreadAttribute.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node\JSX; use Peast\Syntax\Node\SpreadElement; /** * A node that represents a JSX spread attribute. * * @author Marco Marchiò <marco.mm89@gmail.com> */ class JSXSpreadAttribute extends SpreadElement { }PK ! iMb�� � , lib/Peast/Syntax/Node/JSX/JSXSpreadChild.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node\JSX; use Peast\Syntax\Node\Node; use Peast\Syntax\Node\Expression; /** * A node that represents a spread child expression in JSX. * * @author Marco Marchiò <marco.mm89@gmail.com> */ class JSXSpreadChild extends Node { /** * Map of node properties * * @var array */ protected $propertiesMap = array( "expression" => true ); /** * The wrapped expression * * @var Expression */ protected $expression; /** * Returns the wrapped expression * * @return Expression */ public function getExpression() { return $this->expression; } /** * Sets the wrapped expression * * @param Expression $expression Wrapped expression * * @return $this */ public function setExpression(Expression $expression) { $this->expression = $expression; return $this; } }PK ! �� } } * lib/Peast/Syntax/Node/JSX/JSXAttribute.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node\JSX; use Peast\Syntax\Node\Node; /** * A node that represents a JSX attribute. * * @author Marco Marchiò <marco.mm89@gmail.com> */ class JSXAttribute extends Node { /** * Map of node properties * * @var array */ protected $propertiesMap = array( "name" => true, "value" => true ); /** * Attribute name * * @var JSXIdentifier|JSXNamespacedName */ protected $name; /** * Attribute value * * @var Node|null */ protected $value; /** * Returns the attribute name * * @return Node */ public function getName() { return $this->name; } /** * Sets the attribute name * * @param JSXIdentifier|JSXNamespacedName $name Attribute name * * @return $this */ public function setName($name) { $this->assertType($name, array("JSX\\JSXIdentifier", "JSX\\JSXNamespacedName")); $this->name = $name; return $this; } /** * Returns the attribute value * * @return Node|null */ public function getValue() { return $this->value; } /** * Sets the attribute value * * @param Node|null $value Attribute value * * @return $this */ public function setValue($value) { $this->assertType( $value, array( "Literal", "JSX\\JSXExpressionContainer", "JSX\\JSXElement", "JSX\\JSXFragment" ), true ); $this->value = $value; return $this; } }PK ! ]{�W� � 4 lib/Peast/Syntax/Node/JSX/JSXExpressionContainer.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node\JSX; use Peast\Syntax\Node\Node; /** * A node that represents an expression container in JSX. * * @author Marco Marchiò <marco.mm89@gmail.com> */ class JSXExpressionContainer extends Node { /** * Map of node properties * * @var array */ protected $propertiesMap = array( "expression" => true ); /** * The wrapped expression * * @var \Peast\Syntax\Node\Expression|JSXEmptyExpression */ protected $expression; /** * Returns the wrapped expression * * @return \Peast\Syntax\Node\Expression|JSXEmptyExpression */ public function getExpression() { return $this->expression; } /** * Sets the wrapped expression * * @param \Peast\Syntax\Node\Expression|JSXEmptyExpression $expression Wrapped * expression * * @return $this */ public function setExpression($expression) { $this->assertType( $expression, array("Expression", "JSX\\JSXEmptyExpression") ); $this->expression = $expression; return $this; } }PK ! �Ƒ�� � % lib/Peast/Syntax/Node/JSX/JSXText.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node\JSX; use Peast\Syntax\Node\Node; /** * A node that represents a JSX closing fragment tag. * * @author Marco Marchiò <marco.mm89@gmail.com> */ class JSXText extends Node { /** * Map of node properties * * @var array */ protected $propertiesMap = array( "value" => false, "raw" => false ); /** * Node's value * * @var mixed */ protected $value; /** * Node's raw value * * @var string */ protected $raw; /** * Returns node's value * * @return mixed */ public function getValue() { return $this->value; } /** * Sets node's value * * @param mixed $value Value * * @return $this */ public function setValue($value) { $this->value = $value; $this->raw = $value; return $this; } /** * Return node's raw value * * @return string */ public function getRaw() { return $this->raw; } /** * Sets node's raw value * * @param mixed $raw Raw value * * @return $this */ public function setRaw($raw) { return $this->setValue($raw); } }PK ! .*kB� � ( lib/Peast/Syntax/Node/JSX/JSXElement.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node\JSX; use Peast\Syntax\Node\Node; use Peast\Syntax\Node\Expression; /** * A node that represents a JSX element. * * @author Marco Marchiò <marco.mm89@gmail.com> */ class JSXElement extends Node implements Expression { /** * Map of node properties * * @var array */ protected $propertiesMap = array( "openingElement" => true, "children" => true, "closingElement" => true ); /** * Opening element node * * @var JSXOpeningElement */ protected $openingElement; /** * Children nodes array * * @var Node[] */ protected $children = array(); /** * Closing element node * * @var JSXClosingElement|null */ protected $closingElement; /** * Returns the opening element node * * @return JSXOpeningElement */ public function getOpeningElement() { return $this->openingElement; } /** * Sets the opening element node * * @param JSXOpeningElement $openingElement Opening element node * * @return $this */ public function setOpeningElement(JSXOpeningElement $openingElement) { $this->openingElement = $openingElement; return $this; } /** * Returns the children nodes array * * @return Node[] */ public function getChildren() { return $this->children; } /** * Sets the children nodes array * * @param Node[] $children Children nodes array * * @return $this */ public function setChildren($children) { $this->assertArrayOf($children, array( "JSX\\JSXText", "JSX\\JSXExpressionContainer", "JSX\\JSXSpreadChild", "JSX\\JSXElement", "JSX\\JSXFragment" )); $this->children = $children; return $this; } /** * Returns the closing element node * * @return JSXClosingElement|null */ public function getClosingElement() { return $this->closingElement; } /** * Sets the closing element node * * @param JSXClosingElement|null $closingElement Closing element node * * @return $this */ public function setClosingElement($closingElement) { $this->assertType($closingElement, "JSX\\JSXClosingElement", true); $this->closingElement = $closingElement; return $this; } }PK ! N�\� � 0 lib/Peast/Syntax/Node/JSX/JSXClosingFragment.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node\JSX; use Peast\Syntax\Node\Node; /** * A node that represents a JSX closing fragment tag. * * @author Marco Marchiò <marco.mm89@gmail.com> */ class JSXClosingFragment extends Node { }PK ! ��� � 0 lib/Peast/Syntax/Node/JSX/JSXBoundaryElement.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node\JSX; use Peast\Syntax\Node\Node; /** * A base class for boundary elements. * * @author Marco Marchiò <marco.mm89@gmail.com> * * @abstract */ abstract class JSXBoundaryElement extends Node { /** * Map of node properties * * @var array */ protected $propertiesMap = array( "name" => true ); /** * Element name * * @var JSXIdentifier|JSXMemberExpression|JSXNamespacedName */ protected $name; /** * Returns the element name * * @return JSXIdentifier|JSXMemberExpression|JSXNamespacedName */ public function getName() { return $this->name; } /** * Sets the element name * * @param JSXIdentifier|JSXMemberExpression|JSXNamespacedName $name Element * name * * @return $this */ public function setName($name) { $this->assertType( $name, array("JSX\\JSXIdentifier", "JSX\\JSXMemberExpression", "JSX\\JSXNamespacedName") ); $this->name = $name; return $this; } }PK ! ��U U ) lib/Peast/Syntax/Node/AwaitExpression.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node; /** * A node that represents an await expression. * * @author Marco Marchiò <marco.mm89@gmail.com> */ class AwaitExpression extends Node implements Expression { /** * Map of node properties * * @var array */ protected $propertiesMap = array( "argument" => true ); /** * Expression's argument * * @var Expression */ protected $argument; /** * Returns the expression's argument * * @return Expression */ public function getArgument() { return $this->argument; } /** * Sets the expression's argument * * @param Expression $argument Argument * * @return $this */ public function setArgument(Expression $argument) { $this->argument = $argument; return $this; } }PK ! '!E� � * lib/Peast/Syntax/Node/ObjectExpression.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node; /** * A node that represents an object literal. * For example: {a: 1, b: 2, c: 3} * * @author Marco Marchiò <marco.mm89@gmail.com> */ class ObjectExpression extends Node implements Expression { /** * Map of node properties * * @var array */ protected $propertiesMap = array( "properties" => true ); /** * Object properties * * @var Property[] */ protected $properties = array(); /** * Returns object properties * * @return Property[] */ public function getProperties() { return $this->properties; } /** * Sets object properties * * @param Property[] $properties Object properties * * @return $this */ public function setProperties($properties) { $this->assertArrayOf($properties, array("Property", "SpreadElement")); $this->properties = $properties; return $this; } }PK ! �X~V� � % lib/Peast/Syntax/Node/StaticBlock.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node; /** * A node that represents a class static block * * @author Marco Marchiò <marco.mm89@gmail.com> */ class StaticBlock extends BlockStatement { }PK ! zw�!� � $ lib/Peast/Syntax/Node/Expression.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node; /** * Interface that every expression node must implement. * * @author Marco Marchiò <marco.mm89@gmail.com> */ interface Expression { }PK ! %^�j� � * lib/Peast/Syntax/Node/ClassDeclaration.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node; /** * A node that represents a class declaration. * For example: class test {} * * @author Marco Marchiò <marco.mm89@gmail.com> */ class ClassDeclaration extends Class_ implements Declaration { /** * Sets the class identifier * * @param Identifier $id Class identifier * * @return $this */ public function setId($id) { $this->assertType($id, "Identifier"); $this->id = $id; return $this; } }PK ! C>,W W ! lib/Peast/Syntax/Node/Comment.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node; /** * A node that represents a comment. * * @author Marco Marchiò <marco.mm89@gmail.com> */ class Comment extends Node { //Comment kind constants /** * Inline comment */ const KIND_INLINE = "inline"; /** * Multiline comment */ const KIND_MULTILINE = "multiline"; /** * Html open comment */ const KIND_HTML_OPEN = "html-open"; /** * Html close comment */ const KIND_HTML_CLOSE = "html-close"; /** * Hashbang comment */ const KIND_HASHBANG = "hashbang"; /** * Map of node properties * * @var array */ protected $propertiesMap = array( "kind" => false, "text" => false ); /** * The comment kind * * @var string */ protected $kind; /** * The comment text * * @var string */ protected $text; /** * Returns the comment kind * * @return string */ public function getKind() { return $this->kind; } /** * Sets the comment kind * * @param string $kind Comment kind * * @return $this */ public function setKind($kind) { $this->kind = $kind; return $this; } /** * Returns the comment text * * @return string */ public function getText() { return $this->text; } /** * Sets the comment text * * @param string $text Comment text * * @return $this */ public function setText($text) { $this->text = $text; return $this; } /** * Returns the comment raw text * * @return string */ public function getRawText() { $text = $this->getText(); $kind = $this->getKind(); if ($kind === self::KIND_MULTILINE) { $sanitize = "*/"; } else { $sanitize = array("\n", "\r"); } $text = str_replace($sanitize, "", $text); if ($kind === self::KIND_INLINE) { return "//" . $text; } elseif ($kind === self::KIND_HASHBANG) { return "#!" . $text; } elseif ($kind === self::KIND_HTML_OPEN) { return "<!--" . $text; } elseif ($kind === self::KIND_HTML_CLOSE) { return "-->" . $text; } else { return "/*" . $text . "*/"; } } /** * Sets the comment raw text * * @param string $rawText Comment raw text * * @return $this */ public function setRawText($rawText) { $start = substr($rawText, 0, 2); if ($start === "//") { $kind = self::KIND_INLINE; $text = substr($rawText, 2); } elseif ($start === "/*" && substr($rawText, -2) === "*/") { $kind = self::KIND_MULTILINE; $text = substr($rawText, 2, -2); } elseif ($start === "#!") { $kind = self::KIND_HASHBANG; $text = substr($rawText, 2); } elseif ($start === "<!" && substr($rawText, 2, 2) === "--") { $kind = self::KIND_HTML_OPEN; $text = substr($rawText, 4); } elseif ($start === "--" && substr($rawText, 2, 1) === ">") { $kind = self::KIND_HTML_CLOSE; $text = substr($rawText, 3); } else { throw new \Exception("Invalid comment"); } return $this->setKind($kind)->setText($text); } /** * Sets leading comments array * * @param Comment[] $comments Comments array * * @return $this */ public function setLeadingComments($comments) { //Comments cannot be attached to other comments return $this; } /** * Sets trailing comments array * * @param Comment[] $comments Comments array * * @return $this */ public function setTrailingComments($comments) { //Comments cannot be attached to other comments return $this; } /** * Returns a serializable version of the node * * @return array */ #[\ReturnTypeWillChange] public function jsonSerialize() { $ret = parent::jsonSerialize(); unset($ret["leadingComments"]); unset($ret["trailingComments"]); return $ret; } }PK ! (��� � * lib/Peast/Syntax/Node/LabeledStatement.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node; /** * A node that represents a labeled statement. * * @author Marco Marchiò <marco.mm89@gmail.com> */ class LabeledStatement extends Node implements Statement { /** * Map of node properties * * @var array */ protected $propertiesMap = array( "label" => true, "body" => true ); /** * Label * * @var Identifier */ protected $label; /** * Body * * @var Statement */ protected $body; /** * Returns the label * * @return Identifier */ public function getLabel() { return $this->label; } /** * Sets the label * * @param Identifier $label Label * * @return $this */ public function setLabel(Identifier $label) { $this->label = $label; return $this; } /** * Returns the body * * @return Statement */ public function getBody() { return $this->body; } /** * Sets the body * * @param Statement $body Body * * @return $this */ public function setBody(Statement $body) { $this->body = $body; return $this; } }PK ! n��� � ( lib/Peast/Syntax/Node/EmptyStatement.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node; /** * A node that represents an empty statement (;). * * @author Marco Marchiò <marco.mm89@gmail.com> */ class EmptyStatement extends Node implements Statement { }PK ! (��� � ) lib/Peast/Syntax/Node/ExportSpecifier.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node; /** * A node that represents a specifier in an export declaration. * For example "{a}" in: export {a} * * @author Marco Marchiò <marco.mm89@gmail.com> */ class ExportSpecifier extends ModuleSpecifier { /** * Map of node properties * * @var array */ protected $propertiesMap = array( "exported" => true ); /** * Exported identifier * * @var Identifier|StringLiteral */ protected $exported; /** * Returns the exported identifier * * @return Identifier|StringLiteral */ public function getExported() { return $this->exported; } /** * Sets the exported identifier * * @param Identifier|StringLiteral $exported Exported identifier * * @return $this */ public function setExported($exported) { $this->assertType($exported, array("Identifier", "StringLiteral")); $this->exported = $exported; return $this; } }PK ! �RY� � + lib/Peast/Syntax/Node/AssignmentPattern.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node; /** * A node that represents an assignment in a binding context. * For example "a = b" in: var {a = b} = c * * @author Marco Marchiò <marco.mm89@gmail.com> */ class AssignmentPattern extends Node implements Pattern { /** * Map of node properties * * @var array */ protected $propertiesMap = array( "left" => true, "right" => true ); /** * The left node of the assignment * * @var Pattern */ protected $left; /** * The right node of the assignment * * @var Expression */ protected $right; /** * Returns the left node of the assignment * * @return Pattern */ public function getLeft() { return $this->left; } /** * Sets the left node of the assignment * * @param Pattern $left Left node * * @return $this */ public function setLeft(Pattern $left) { $this->left = $left; return $this; } /** * Returns the right node of the assignment * * @return Expression */ public function getRight() { return $this->right; } /** * Sets the right node of the assignment * * @param Expression $right Right node * * @return $this */ public function setRight(Expression $right) { $this->right = $right; return $this; } }PK ! �7��, , # lib/Peast/Syntax/Node/ClassBody.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node; /** * A node that represents a class body. * * @author Marco Marchiò <marco.mm89@gmail.com> */ class ClassBody extends Node { /** * Map of node properties * * @var array */ protected $propertiesMap = array( "body" => true ); /** * Class methods and properties * * @var MethodDefinition[]|PropertyDefinition[]|StaticBlock[] */ protected $body = array(); /** * Returns class methods and properties * * @return MethodDefinition[]|PropertyDefinition[]|StaticBlock[] */ public function getBody() { return $this->body; } /** * Sets class methods and properties * * @param MethodDefinition[]|PropertyDefinition[]|StaticBlock[] $body Class methods array * * @return $this */ public function setBody($body) { $this->assertArrayOf( $body, array("MethodDefinition", "PropertyDefinition", "StaticBlock") ); $this->body = $body; return $this; } }PK ! ���� � , lib/Peast/Syntax/Node/SequenceExpression.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node; /** * A node that represents a sequence of expressions. * For example: a, b * * @author Marco Marchiò <marco.mm89@gmail.com> */ class SequenceExpression extends Node implements Expression { /** * Map of node properties * * @var array */ protected $propertiesMap = array( "expressions" => true ); /** * Expressions array * * @var Expression[] */ protected $expressions = array(); /** * Returns the expressions array * * @return Expression[] */ public function getExpressions() { return $this->expressions; } /** * Sets the expressions array * * @param Expression[] $expressions Expressions array * * @return $this */ public function setExpressions($expressions) { $this->assertArrayOf($expressions, "Expression"); $this->expressions = $expressions; return $this; } }PK ! �8�" & lib/Peast/Syntax/Node/TryStatement.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node; /** * A node that represents a try-catch statement. * * @author Marco Marchiò <marco.mm89@gmail.com> */ class TryStatement extends Node implements Statement { /** * Map of node properties * * @var array */ protected $propertiesMap = array( "block" => true, "handler" => true, "finalizer" => true ); /** * Wrapped block * * @var BlockStatement */ protected $block; /** * Catch clause * * @var CatchClause */ protected $handler; /** * "finally" block * * @var BlockStatement */ protected $finalizer; /** * Returns the wrapped block * * @return BlockStatement */ public function getBlock() { return $this->block; } /** * Sets the wrapped block * * @param BlockStatement $block Wrapped block * * @return $this */ public function setBlock(BlockStatement $block) { $this->block = $block; return $this; } /** * Returns the catch clause * * @return CatchClause */ public function getHandler() { return $this->handler; } /** * Sets the catch clause * * @param CatchClause $handler Catch clause * * @return $this */ public function setHandler($handler) { $this->assertType($handler, "CatchClause", true); $this->handler = $handler; return $this; } /** * Returns the "finally" block * * @return BlockStatement */ public function getFinalizer() { return $this->finalizer; } /** * Sets the "finally" block * * @param BlockStatement $finalizer The "finally" block * * @return $this */ public function setFinalizer($finalizer) { $this->assertType($finalizer, "BlockStatement", true); $this->finalizer = $finalizer; return $this; } } PK ! �b�٫ � , lib/Peast/Syntax/Node/VariableDeclarator.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node; /** * A node that represents a declaration in a VariableDeclaration node. * For example "a=1" in: var a = 1 * * @author Marco Marchiò <marco.mm89@gmail.com> */ class VariableDeclarator extends Node { /** * Map of node properties * * @var array */ protected $propertiesMap = array( "id" => true, "init" => true ); /** * Declaration identifier or pattern * * @var Pattern */ protected $id; /** * Optional initializer * * @var Expression */ protected $init; /** * Returns the declaration identifier or pattern * * @return Pattern */ public function getId() { return $this->id; } /** * Sets the declaration identifier or pattern * * @param Pattern $id Declaration identifier or pattern * * @return $this */ public function setId(Pattern $id) { $this->id = $id; return $this; } /** * Returns the initializer * * @return Expression */ public function getInit() { return $this->init; } /** * Sets the initializer * * @param Expression $init Initializer * * @return $this */ public function setInit($init) { $this->assertType($init, "Expression", true); $this->init = $init; return $this; } }PK ! ��ZY� � + lib/Peast/Syntax/Node/ContinueStatement.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node; /** * A node that represents the "continue" statement inside loops. * * @author Marco Marchiò <marco.mm89@gmail.com> */ class ContinueStatement extends Node implements Statement { /** * Map of node properties * * @var array */ protected $propertiesMap = array( "label" => true ); /** * The optional label of the continue statement * * @var Identifier */ protected $label; /** * Returns the node's label * * @return Identifier */ public function getLabel() { return $this->label; } /** * Sets the node's label * * @param Identifier $label Node's label * * @return $this */ public function setLabel($label) { $this->assertType($label, "Identifier", true); $this->label = $label; return $this; } }PK ! х�� � 1 lib/Peast/Syntax/Node/ArrowFunctionExpression.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node; /** * A node that represents an arrow function. * For example: var fn = (a, b) => console.log(a, b) * * @author Marco Marchiò <marco.mm89@gmail.com> */ class ArrowFunctionExpression extends Function_ implements Expression { /** * Map of node properties * * @var array */ protected $propertiesMap = array( "expression" => false ); /** * This flag is true when function body is wrapped in curly braces * * @var bool */ protected $expression = false; /** * Sets the function body * * @param BlockStatement|Expression $body Function body * * @return $this */ public function setBody($body) { $this->assertType($body, array("BlockStatement", "Expression")); $this->body = $body; return $this; } /** * Returns the expression flag * * @return bool */ public function getExpression() { return $this->expression; } /** * Sets the expression flag * * @param bool $expression Expression flag * * @return $this */ public function setExpression($expression) { $this->expression = (bool) $expression; return $this; } }PK ! p~��� � ) lib/Peast/Syntax/Node/ClassExpression.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node; /** * A node that represents a class expression * For example: test = class {} * * @author Marco Marchiò <marco.mm89@gmail.com> */ class ClassExpression extends Class_ implements Expression { }PK ! ��T�2 2 . lib/Peast/Syntax/Node/AssignmentExpression.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node; /** * A node that represents an assignment expression. * For example: a = b * * @author Marco Marchiò <marco.mm89@gmail.com> */ class AssignmentExpression extends Node implements Expression { /** * Map of node properties * * @var array */ protected $propertiesMap = array( "left" => true, "operator" => false, "right" => true ); /** * The assignment operator * * @var string */ protected $operator; /** * The left node of the assignment * * @var Pattern|Expression */ protected $left; /** * The right node of the assignment * * @var Expression */ protected $right; /** * Returns the assignment operator * * @return string */ public function getOperator() { return $this->operator; } /** * Sets the assignment operator * * @param string $operator Assignment operator * * @return $this */ public function setOperator($operator) { $this->operator = $operator; return $this; } /** * Returns the left node of the assignment * * @return Pattern|Expression */ public function getLeft() { return $this->left; } /** * Sets the left node of the assignment * * @param Pattern|Expression $left The node to set * * @return $this */ public function setLeft($left) { $this->assertType($left, array("Pattern", "Expression")); $this->left = $left; return $this; } /** * Returns the right node of the assignment * * @return Expression */ public function getRight() { return $this->right; } /** * Sets the right node of the assignment * * @param Expression $right The node to set * * @return $this */ public function setRight(Expression $right) { $this->right = $right; return $this; } }PK ! ��Ic c - lib/Peast/Syntax/Node/VariableDeclaration.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node; /** * A node that represents a "var", "const" or "let" declaration. * For example: var a = 1 * * @author Marco Marchiò <marco.mm89@gmail.com> */ class VariableDeclaration extends Node implements Declaration { /** * Map of node properties * * @var array */ protected $propertiesMap = array( "declarations" => true, "kind" => false ); //Kind constants /** * "var" kind */ const KIND_VAR = "var"; /** * "let" kind */ const KIND_LET = "let"; /** * "const" kind */ const KIND_CONST = "const"; /** * Declarations array * * @var VariableDeclarator[] */ protected $declarations = array(); /** * Declaration kind that is one of the kind constants * * @var string */ protected $kind = self::KIND_VAR; /** * Returns the declarations array * * @return VariableDeclarator[] */ public function getDeclarations() { return $this->declarations; } /** * Sets the declarations array * * @param VariableDeclarator[] $declarations Declarations array * * @return $this */ public function setDeclarations($declarations) { $this->assertArrayOf($declarations, "VariableDeclarator"); $this->declarations = $declarations; return $this; } /** * Returns the declaration kind that is one of the kind constants * * @return string */ public function getKind() { return $this->kind; } /** * Sets the declaration kind that is one of the kind constants * * @param string $kind Declaration kind * * @return $this */ public function setKind($kind) { $this->kind = $kind; return $this; } }PK ! X�9� � + lib/Peast/Syntax/Node/ImportDeclaration.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node; /** * A node that represents in import declaration. * For example: import a from "mod" * * @author Marco Marchiò <marco.mm89@gmail.com> */ class ImportDeclaration extends Node implements ModuleDeclaration { /** * Map of node properties * * @var array */ protected $propertiesMap = array( "specifiers" => true, "source" => true ); /** * Import specifiers array * * @var array */ protected $specifiers = array(); /** * Import source * * @var Literal */ protected $source; /** * Returns the import specifiers array * * @return array */ public function getSpecifiers() { return $this->specifiers; } /** * Sets the import specifiers array * * @param array $specifiers Import specifiers array * * @return $this */ public function setSpecifiers($specifiers) { $this->assertArrayOf( $specifiers, array( "ImportSpecifier", "ImportDefaultSpecifier", "ImportNamespaceSpecifier" ) ); $this->specifiers = $specifiers; return $this; } /** * Returns the import source * * @return Literal */ public function getSource() { return $this->source; } /** * Sets the import source * * @param Literal $source Import source * * @return $this */ public function setSource(Literal $source) { $this->source = $source; return $this; } }PK ! 8�4� � % lib/Peast/Syntax/Node/Declaration.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node; /** * Interface that every declaration node must implement. * * @author Marco Marchiò <marco.mm89@gmail.com> */ interface Declaration extends Statement { }PK ! �Ԁv� � ! lib/Peast/Syntax/Node/Program.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node; use Peast\Query; use Peast\Selector; /** * Root node for scripts and modules. * * @author Marco Marchiò <marco.mm89@gmail.com> */ class Program extends Node { /** * Map of node properties * * @var array */ protected $propertiesMap = array( "body" => true, "sourceType" => false ); /** * Source type that is one of the source type constants in the Peast class * * @var string */ protected $sourceType = \Peast\Peast::SOURCE_TYPE_SCRIPT; /** * Program's body * * @var Statement[]|ModuleDeclaration[] */ protected $body = array(); /** * Returns the source type that is one of the source type constants in the * Peast class * * @return string */ public function getSourceType() { return $this->sourceType; } /** * Sets the source type that is one of the source type constants in the * Peast class * * @param string $sourceType Source type * * @return $this */ public function setSourceType($sourceType) { $this->sourceType = $sourceType; return $this; } /** * Returns the program's body * * @return Statement[]|ModuleDeclaration[] */ public function getBody() { return $this->body; } /** * Sets the program's body * * @param Statement[]|ModuleDeclaration[] $body Program's body * * @return $this */ public function setBody($body) { $this->assertArrayOf($body, array("Statement", "ModuleDeclaration")); $this->body = $body; return $this; } /** * Finds nodes matching the given selector. * * @param string $selector Selector * @param array $options Options array. See Query class * documentation for available options * * @return Query * * @throws Selector\Exception */ public function query($selector, $options = array()) { $query = new Query($this, $options); return $query->find($selector); } }PK ! ��L�O O * lib/Peast/Syntax/Node/ImportExpression.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node; /** * A node that represents an import expression (dynamic import). * * @author Marco Marchiò <marco.mm89@gmail.com> */ class ImportExpression extends Node implements Expression { /** * Map of node properties * * @var array */ protected $propertiesMap = array( "source" => true ); /** * The catch clause parameter * * @var Expression */ protected $source; /** * Returns the import source * * @return Expression */ public function getSource() { return $this->source; } /** * Sets the import source * * @param Expression $source Import source * * @return $this */ public function setSource(Expression $source) { $this->source = $source; return $this; } }PK ! n�y y lib/Peast/Syntax/Node/Class_.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node; /** * Abstract class for classes. * * @author Marco Marchiò <marco.mm89@gmail.com> */ abstract class Class_ extends Node { /** * Map of node properties * * @var array */ protected $propertiesMap = array( "id" => true, "superClass" => true, "body" => true ); /** * Class name * * @var Identifier */ protected $id; /** * Extended class * * @var Expression */ protected $superClass; /** * Class body * * @var ClassBody */ protected $body; /** * Returns class name * * @return Identifier */ public function getId() { return $this->id; } /** * Sets class name * * @param Identifier $id Class name * * @return $this */ public function setId($id) { $this->assertType($id, "Identifier", true); $this->id = $id; return $this; } /** * Returns extended class * * @return Expression */ public function getSuperClass() { return $this->superClass; } /** * Sets extended class * * @param Expression $superClass Extended class * * @return $this */ public function setSuperClass($superClass) { $this->assertType($superClass, "Expression", true); $this->superClass = $superClass; return $this; } /** * Returns class body * * @return ClassBody */ public function getBody() { return $this->body; } /** * Sets class body * * @param ClassBody $body Class body * * @return $this */ public function setBody($body) { $this->assertType($body, "ClassBody"); $this->body = $body; return $this; } }PK ! ��: & lib/Peast/Syntax/Node/MetaProperty.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node; /** * A node that represents a meta property. * For example: new.target * * @author Marco Marchiò <marco.mm89@gmail.com> */ class MetaProperty extends Node implements Expression { /** * Map of node properties * * @var array */ protected $propertiesMap = array( "meta" => false, "property" => false ); /** * Subject * * @var string */ protected $meta; /** * Property * * @var string */ protected $property; /** * Returns the subject * * @return string */ public function getMeta() { return $this->meta; } /** * Sets the subject * * @param string $meta Subject * * @return $this */ public function setMeta($meta) { $this->meta = $meta; return $this; } /** * Returns the property * * @return string */ public function getProperty() { return $this->property; } /** * Sets the property * * @param string $property Property * * @return $this */ public function setProperty($property) { $this->property = $property; return $this; } }PK ! ꮓ�* * ( lib/Peast/Syntax/Node/WhileStatement.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node; /** * A node that represents a while loop. * For example: while (test) {} * * @author Marco Marchiò <marco.mm89@gmail.com> */ class WhileStatement extends Node implements Statement { /** * Map of node properties * * @var array */ protected $propertiesMap = array( "test" => true, "body" => true ); /** * The loop condition * * @var Expression */ protected $test; /** * The loop body * * @var Statement */ protected $body; /** * Returns the loop condition * * @return Expression */ public function getTest() { return $this->test; } /** * Sets the loop condition * * @param Expression $test Loop * * @return $this */ public function setTest(Expression $test) { $this->test = $test; return $this; } /** * Returns the loop body * * @return Statement */ public function getBody() { return $this->body; } /** * Sets the loop body * * @param Statement $body Loop body * * @return $this */ public function setBody(Statement $body) { $this->body = $body; return $this; } }PK ! ���� / lib/Peast/Syntax/Node/ConditionalExpression.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node; /** * A node that represents a conditional expression. * For example: test() ? ok() : fail() * * @author Marco Marchiò <marco.mm89@gmail.com> */ class ConditionalExpression extends Node implements Expression { /** * Map of node properties * * @var array */ protected $propertiesMap = array( "test" => true, "consequent" => true, "alternate" => true ); /** * The test expression * * @var Expression */ protected $test; /** * The consequent expression * * @var Expression */ protected $consequent; /** * The alternate expression * * @var Expression */ protected $alternate; /** * Returns the test expression * * @return Expression */ public function getTest() { return $this->test; } /** * Sets the test expression * * @param Expression $test Test expression * * @return $this */ public function setTest(Expression $test) { $this->test = $test; return $this; } /** * Returns the consequent expression * * @return Expression */ public function getConsequent() { return $this->consequent; } /** * Sets the consequent expression * * @param Expression $consequent Consequent expression * * @return $this */ public function setConsequent(Expression $consequent) { $this->consequent = $consequent; return $this; } /** * Returns the alternate expression * * @return Expression */ public function getAlternate() { return $this->alternate; } /** * Sets the alternate expression * * @param Expression $alternate Alternate expression * * @return $this */ public function setAlternate(Expression $alternate) { $this->alternate = $alternate; return $this; } }PK ! �w\� � * lib/Peast/Syntax/Node/MethodDefinition.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node; /** * A node that represents a method declaration in classes and object literals. * * @author Marco Marchiò <marco.mm89@gmail.com> */ class MethodDefinition extends Node { /** * Map of node properties * * @var array */ protected $propertiesMap = array( "key" => true, "value" => true, "kind" => false, "computed" => false, "static" => false ); //Kind constants /** * Constructor method */ const KIND_CONSTRUCTOR = "constructor"; /** * Standard method */ const KIND_METHOD = "method"; /** * Getter method */ const KIND_GET = "get"; /** * Setter method */ const KIND_SET = "set"; /** * Method's key * * @var Expression|PrivateIdentifier */ protected $key; /** * Method's value * * @var FunctionExpression */ protected $value; /** * Method's kind that is one of the kind constants * * @var string */ protected $kind = self::KIND_METHOD; /** * Computed flag that is true if method's key is declared using square * brackets syntax * * @var bool */ protected $computed = false; /** * Static flag that is true if the method is static * * @var bool */ protected $static = false; /** * Returns the method's key * * @return Expression|PrivateIdentifier */ public function getKey() { return $this->key; } /** * Sets the method's key * * @param Expression|PrivateIdentifier $key Method's key * * @return $this */ public function setKey($key) { $this->assertType($key, array("Expression", "PrivateIdentifier")); $this->key = $key; return $this; } /** * Returns the method's value * * @return FunctionExpression */ public function getValue() { return $this->value; } /** * Sets the method's value * * @param FunctionExpression $value Method's value * * @return $this */ public function setValue(FunctionExpression $value) { $this->value = $value; return $this; } /** * Returns the method's kind that is one of the kind constants * * @return string */ public function getKind() { return $this->kind; } /** * Sets the method's kind that is one of the kind constants * * @param string $kind Method's kind * * @return $this */ public function setKind($kind) { $this->kind = $kind; return $this; } /** * Returns the computed flag that is true if method's key is declared using * square brackets syntax * * @return bool */ public function getComputed() { return $this->computed; } /** * Sets the computed flag that is true if method's key is declared using * square brackets syntax * * @param bool $computed Computed flag * * @return $this */ public function setComputed($computed) { $this->computed = (bool) $computed; return $this; } /** * Returns the static flag that is true if the method is static * * @return bool */ public function getStatic() { return $this->{"static"}; } /** * Sets the static flag that is true if the method is static * * @param bool $static Static flag * * @return $this */ public function setStatic($static) { $this->{"static"} = (bool) $static; return $this; } }PK ! 7^g�� � % lib/Peast/Syntax/Node/RestElement.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\Node; /** * A node that represents the rest element in array binding patterns or function * parameters. * For example "...rest" in: [a, ...rest] = b * * @author Marco Marchiò <marco.mm89@gmail.com> */ class RestElement extends Node implements Pattern { /** * Map of node properties * * @var array */ protected $propertiesMap = array( "argument" => true ); /** * The node's argument * * @var Pattern */ protected $argument; /** * Returns the node's argument * * @return Pattern */ public function getArgument() { return $this->argument; } /** * Sets the node's argument * * @param Pattern $argument Node's argument * * @return $this */ public function setArgument(Pattern $argument) { $this->argument = $argument; return $this; } }PK ! KY�A� � $ lib/Peast/Syntax/ES2021/Features.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\ES2021; /** * ES2021 features class * * @author Marco Marchiò <marco.mm89@gmail.com> * * @codeCoverageIgnore */ class Features extends \Peast\Syntax\ES2020\Features { /** * Logical assignment operators * * @var bool */ public $logicalAssignmentOperators = true; /** * Numeric literal separator * * @var bool */ public $numericLiteralSeparator = true; }PK ! � �C C $ lib/Peast/Syntax/ES2022/Features.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\ES2022; /** * ES2022 features class * * @author Marco Marchiò <marco.mm89@gmail.com> * * @codeCoverageIgnore */ class Features extends \Peast\Syntax\ES2021\Features { /** * Private methods and fields * * @var bool */ public $privateMethodsAndFields = true; /** * Class fields * * @var bool */ public $classFields = true; /** * "in" operator for private fields * * @var bool */ public $classFieldsPrivateIn = true; /** * Top level await * * @var bool */ public $topLevelAwait = true; /** * Class static block * * @var bool */ public $classStaticBlock = true; /** * Arbitrary module namespace identifier names * * @var bool */ public $arbitraryModuleNSNames = true; }PK ! ��/� � lib/Peast/Syntax/LSM.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax; /** * Longest Sequence Matcher. Utility class used by the scanner to consume * the longest sequence of character given a set of allowed characters sequences. * * @author Marco Marchiò <marco.mm89@gmail.com> */ class LSM { /** * Internal sequences map * * @var array */ protected $map = array(); /** * Encoding handle flag * * @var bool */ protected $handleEncoding = false; /** * Class constructor * * @param array $sequences Allowed characters sequences * @param bool $handleEncoding True to handle encoding when matching */ function __construct($sequences, $handleEncoding = false) { $this->handleEncoding = $handleEncoding; foreach ($sequences as $s) { $this->add($s); } } /** * Adds a sequence * * @param string $sequence Sequence to add * * @return $this */ public function add($sequence) { if ($this->handleEncoding) { $s = Utils::stringToUTF8Array($sequence); $first = $s[0]; $len = count($s); } else { $first = $sequence[0]; $len = strlen($sequence); } if (!isset($this->map[$first])) { $this->map[$first] = array( "maxLen" => $len, "map" => array($sequence) ); } else { $this->map[$first]["map"][] = $sequence; $this->map[$first]["maxLen"] = max($this->map[$first]["maxLen"], $len); } return $this; } /** * Removes a sequence * * @param string $sequence Sequence to remove * * @return $this */ public function remove($sequence) { if ($this->handleEncoding) { $s = Utils::stringToUTF8Array($sequence); $first = $s[0]; } else { $first = $sequence[0]; } if (isset($this->map[$first])) { $len = $this->handleEncoding ? count($s) : strlen($sequence); $this->map[$first]["map"] = array_diff( $this->map[$first]["map"], array($sequence) ); if (!count($this->map[$first]["map"])) { unset($this->map[$first]); } elseif ($this->map[$first]["maxLen"] === $len) { // Recalculate the max length if necessary foreach ($this->map[$first]["map"] as $m) { $this->map[$first]["maxLen"] = max( $this->map[$first]["maxLen"], strlen($m) ); } } } return $this; } /** * Executes the match. It returns an array where the first element is the * number of consumed characters and the second element is the match. If * no match is found it returns null. * * @param Scanner $scanner Scanner instance * @param int $index Current index * @param string $char Current character * * @return array|null */ public function match($scanner, $index, $char) { $consumed = 1; $bestMatch = null; if (isset($this->map[$char])) { //If the character is present in the map and it has a max length of //1, match immediately if ($this->map[$char]["maxLen"] === 1) { $bestMatch = array($consumed, $char); } else { //Otherwise consume a number of characters equal to the max //length and find the longest match $buffer = $char; $map = $this->map[$char]["map"]; $maxLen = $this->map[$char]["maxLen"]; do { if (in_array($buffer, $map)) { $bestMatch = array($consumed, $buffer); } $nextChar = $scanner->charAt($index + $consumed); if ($nextChar === null) { break; } $buffer .= $nextChar; $consumed++; } while ($consumed <= $maxLen); } } return $bestMatch; } }PK ! L�p� � & lib/Peast/Syntax/EncodingException.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax; /** * Encoding exception class. Encoding errors while scanning the source are * thrown using this using this exception class. * * @author Marco Marchiò <marco.mm89@gmail.com> * * @codeCoverageIgnore */ class EncodingException extends \Exception { }PK ! �O $ lib/Peast/Syntax/ES2020/Features.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\ES2020; /** * ES2020 features class * * @author Marco Marchiò <marco.mm89@gmail.com> * * @codeCoverageIgnore */ class Features extends \Peast\Syntax\ES2019\Features { /** * Dynamic import * * @var bool */ public $dynamicImport = true; /** * BigInt literals * * @var bool */ public $bigInt = true; /** * Exported name for export all declarations * * @var bool */ public $exportedNameInExportAll = true; /** * Import.meta * * @var bool */ public $importMeta = true; /** * Coalescing operator * * @var bool */ public $coalescingOperator = true; /** * Optional chaining * * @var bool */ public $optionalChaining = true; }PK ! �<�� � # lib/Peast/Syntax/SourceLocation.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax; /** * This class represents a location in the source code with start and end * position. * * @author Marco Marchiò <marco.mm89@gmail.com> */ class SourceLocation implements \JSONSerializable { /** * Start position * * @var Position */ public $start; /** * End position * * @var Position */ public $end; /** * Returns the start position * * @return Position */ public function getStart() { return $this->start; } /** * Sets the start position * * @param Position $position Start position * * @return $this */ public function setStart(Position $position) { $this->start = $position; return $this; } /** * Returns the end position * * @return Position */ public function getEnd() { return $this->end; } /** * Sets the end position * * @param Position $position End position * * @return $this */ public function setEnd(Position $position) { $this->end = $position; return $this; } /** * Returns a serializable version of the object * * @return array */ #[\ReturnTypeWillChange] public function jsonSerialize() { return array( "start" => $this->start, "end" => $this->end ); } }PK ! ֙�s s lib/Peast/Syntax/JSX/Scanner.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\JSX; use Peast\Syntax\Token; /** * JSX scanner trait * * @author Marco Marchiò <marco.mm89@gmail.com> */ trait Scanner { /** * Tries to reconsume the current token as a jsx text if possible * * @return Token|null */ public function reconsumeCurrentTokenAsJSXText() { //Current and next tokens must be reset and the open brackets count must be correct //like they were never scanned foreach (array($this->currentToken, $this->nextToken) as $token) { if ($token && isset($this->brackets[$token->value])) { if ($refBracket = $this->brackets[$token->value]) { $this->openBrackets[$refBracket]++; } else { $this->openBrackets[$token->value]--; } } } $this->nextToken = null; $this->currentToken = null; $startPosition = $this->getPosition(); $this->setScanPosition($startPosition); $result = $this->consumeUntil(array("{", "<"), false, false); if ($result) { $this->currentToken = new Token(Token::TYPE_JSX_TEXT, $result[0]); $this->currentToken->location->start = $startPosition; $this->currentToken->location->end = $this->getPosition(true); } return $this->currentToken; } /** * Reconsumes the current token in jsx mode * * @return Token|null */ public function reconsumeCurrentTokenInJSXMode() { $this->jsx = true; $this->nextToken = null; $this->currentToken = null; $startPosition = $this->getPosition(); $this->setScanPosition($startPosition); $token = $this->getToken(); $this->jsx = false; return $token; } /** * String scanning method in jsx mode * * @return Token|null */ public function scanJSXString() { return $this->scanString(false); } /** * String punctuator method in jsx mode * * @return Token|null */ public function scanJSXPunctuator() { //The ">" character in jsx mode must be emitted in its own token //without matching longer sequences like ">>" $char = $this->charAt(); if ($char === ">") { $this->index++; $this->column++; return new Token(Token::TYPE_PUNCTUATOR, $char); } return $this->scanPunctuator(); } /** * Identifier scanning method in jsx mode * * @return Token|null */ public function scanJSXIdentifier() { $buffer = ""; $char = $this->charAt(); if ($char !== null && $this->isIdentifierChar($char)) { do { $buffer .= $char; $this->index++; $this->column++; $char = $this->charAt(); } while ( $char !== null && ($this->isIdentifierChar($char, false) || $char === "-") ); } return $buffer === "" ? null : new Token(Token::TYPE_JSX_IDENTIFIER, $buffer); } } PK ! ���6 6 lib/Peast/Syntax/JSX/Parser.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\JSX; use Peast\Syntax\Token; /** * JSX parser trait * * @author Marco Marchiò <marco.mm89@gmail.com> */ trait Parser { /** * Creates a JSX node * * @param string $nodeType Node's type * @param mixed $position Node's start position * * @return \Peast\Syntax\Node\Node */ protected function createJSXNode($nodeType, $position) { return $this->createNode("JSX\\$nodeType", $position); } /** * Parses a jsx fragment * * @return \Peast\Syntax\Node\JSX\JSXFragment|null */ protected function parseJSXFragment() { $startOpeningToken = $this->scanner->getToken(); if (!$startOpeningToken || $startOpeningToken->value !== "<") { return null; } $endOpeningToken = $this->scanner->getNextToken(); if (!$endOpeningToken || $endOpeningToken->value !== ">") { return null; } $this->scanner->consumeToken(); $this->scanner->consumeToken(); $children = $this->parseJSXChildren(); if (!($startClosingToken = $this->scanner->consume("<")) || !$this->scanner->consume("/") || !$this->scanner->reconsumeCurrentTokenInJSXMode() || $endOpeningToken->value !== ">") { $this->error(); } $this->scanner->consumeToken(); //Opening tag $openingNode = $this->createJSXNode( "JSXOpeningFragment", $startOpeningToken ); $this->completeNode( $openingNode, $endOpeningToken->location->end ); //Closing tag $closingNode = $this->createJSXNode( "JSXClosingFragment", $startClosingToken ); $this->completeNode($closingNode); //Fragment $node = $this->createJSXNode("JSXFragment", $startOpeningToken); $node->setOpeningFragment($openingNode); $node->setClosingFragment($closingNode); if ($children) { $node->setChildren($children); } return $this->completeNode($node); } /** * Parses a group of jsx children * * @return \Peast\Syntax\Node\Node[]|null */ protected function parseJSXChildren() { $children = array(); while ($child = $this->parseJSXChild()) { $children[] = $child; } return count($children) ? $children : null; } /** * Parses a jsx child * * @return \Peast\Syntax\Node\Node|null */ protected function parseJSXChild() { if ($node = $this->parseJSXText()) { return $node; } elseif ($node = $this->parseJSXFragment()) { return $node; } elseif($node = $this->parseJSXElement()) { return $node; } elseif ($startToken = $this->scanner->consume("{")) { $spread = $this->scanner->consume("..."); $exp = $this->parseAssignmentExpression(); $midPos = $this->scanner->getPosition(); if (($spread && !$exp) || !$this->scanner->consume("}")) { $this->error(); } $node = $this->createJSXNode( $spread ? "JSXSpreadChild" : "JSXExpressionContainer", $startToken ); if (!$exp) { $exp = $this->createJSXNode("JSXEmptyExpression", $midPos); $this->completeNode($exp, $midPos); } $node->setExpression($exp); return $this->completeNode($node); } return null; } /** * Parses a jsx text * * @return \Peast\Syntax\Node\JSX\JSXText|null */ protected function parseJSXText() { if (!($token = $this->scanner->reconsumeCurrentTokenAsJSXText())) { return null; } $this->scanner->consumeToken(); $node = $this->createJSXNode("JSXText", $token); $node->setRaw($token->value); return $this->completeNode($node, $token->location->end); } /** * Parses a jsx element * * @return \Peast\Syntax\Node\JSX\JSXElement|null */ protected function parseJSXElement() { $startOpeningToken = $this->scanner->getToken(); if (!$startOpeningToken || $startOpeningToken->value !== "<") { return null; } $nextToken = $this->scanner->getNextToken(); if ($nextToken && $nextToken->value === "/") { return null; } $this->scanner->consumeToken(); if (!($name = $this->parseJSXIdentifierOrMemberExpression())) { $this->error(); } $attributes = $this->parseJSXAttributes(); $selfClosing = $this->scanner->consume("/"); $endOpeningToken = $this->scanner->reconsumeCurrentTokenInJSXMode(); if (!$endOpeningToken || $endOpeningToken->value !== ">") { $this->error(); } $this->scanner->consumeToken(); if (!$selfClosing) { $children = $this->parseJSXChildren(); if ( ($startClosingToken = $this->scanner->consume("<")) && $this->scanner->consume("/") && ($closingName = $this->parseJSXIdentifierOrMemberExpression()) && ($endClosingToken = $this->scanner->reconsumeCurrentTokenInJSXMode()) && ($endClosingToken->value === ">") ) { $this->scanner->consumeToken(); if (!$this->isSameJSXElementName($name, $closingName)) { $this->error("Closing tag does not match opening tag"); } } else { $this->error(); } } //Opening tag $openingNode = $this->createJSXNode( "JSXOpeningElement", $startOpeningToken ); $openingNode->setName($name); $openingNode->setSelfClosing($selfClosing); if ($attributes) { $openingNode->setAttributes($attributes); } $this->completeNode( $openingNode, $endOpeningToken->location->end ); //Closing tag $closingNode = null; if (!$selfClosing) { $closingNode = $this->createJSXNode( "JSXClosingElement", $startClosingToken ); $closingNode->setName($closingName); $this->completeNode($closingNode); } //Element $node = $this->createJSXNode("JSXElement", $startOpeningToken); $node->setOpeningElement($openingNode); if ($closingNode) { $node->setClosingElement($closingNode); if ($children) { $node->setChildren($children); } } return $this->completeNode($node); } /** * Parses a jsx identifier, namespaced identifier or member expression * * @param bool $allowMember True to allow member expressions * * @return \Peast\Syntax\Node\Node|null */ protected function parseJSXIdentifierOrMemberExpression($allowMember = true) { $idToken = $this->scanner->reconsumeCurrentTokenInJSXMode(); if (!$idToken || $idToken->type !== Token::TYPE_JSX_IDENTIFIER) { return null; } $this->scanner->consumeToken(); $idNode = $this->createJSXNode("JSXIdentifier", $idToken); $idNode->setName($idToken->value); $idNode = $this->completeNode($idNode); //Namespaced identifier if ($this->scanner->consume(":")) { $idToken2 = $this->scanner->reconsumeCurrentTokenInJSXMode(); if (!$idToken2 || $idToken2->type !== Token::TYPE_JSX_IDENTIFIER) { $this->error(); } $this->scanner->consumeToken(); $idNode2 = $this->createJSXNode("JSXIdentifier", $idToken2); $idNode2->setName($idToken2->value); $idNode2 = $this->completeNode($idNode2); $node = $this->createJSXNode("JSXNamespacedName", $idToken); $node->setNamespace($idNode); $node->setName($idNode2); return $this->completeNode($node); } //Get following identifiers $nextIds = array(); if ($allowMember) { while ($this->scanner->consume(".")) { $nextId = $this->scanner->reconsumeCurrentTokenInJSXMode(); if (!$nextId || $nextId->type !== Token::TYPE_JSX_IDENTIFIER) { $this->error(); } $this->scanner->consumeToken(); $nextIds[] = $nextId; } } //Create the member expression if required $objectNode = $idNode; foreach ($nextIds as $nid) { $propEnd = $nid->location->end; $propNode = $this->createJSXNode("JSXIdentifier", $nid); $propNode->setName($nid->value); $propNode = $this->completeNode($propNode, $propEnd); $node = $this->createJSXNode("JSXMemberExpression", $objectNode); $node->setObject($objectNode); $node->setProperty($propNode); $objectNode = $this->completeNode($node, $propEnd); } return $objectNode; } /** * Parses a jsx attributes list * * @return \Peast\Syntax\Node\Node[]|null */ protected function parseJSXAttributes() { $attributes = array(); while ( ($attr = $this->parseJSXSpreadAttribute()) || ($attr = $this->parseJSXAttribute()) ) { $attributes[] = $attr; } return count($attributes) ? $attributes : null; } /** * Parses a jsx spread attribute * * @return \Peast\Syntax\Node\JSX\JSXSpreadAttribute|null */ protected function parseJSXSpreadAttribute() { if (!($openToken = $this->scanner->consume("{"))) { return null; } if ( $this->scanner->consume("...") && ($exp = $this->parseAssignmentExpression()) && $this->scanner->consume("}") ) { $node = $this->createJSXNode("JSXSpreadAttribute", $openToken); $node->setArgument($exp); return $this->completeNode($node); } $this->error(); } /** * Parses a jsx spread attribute * * @return \Peast\Syntax\Node\JSX\JSXSpreadAttribute|null */ protected function parseJSXAttribute() { if (!($name = $this->parseJSXIdentifierOrMemberExpression(false))) { return null; } $value = null; if ($this->scanner->consume("=")) { $strToken = $this->scanner->reconsumeCurrentTokenInJSXMode(); if ($strToken && $strToken->type === Token::TYPE_STRING_LITERAL) { $this->scanner->consumeToken(); $value = $this->createNode("StringLiteral", $strToken); $value->setRaw($strToken->value); $value = $this->completeNode($value); } elseif ($startExp = $this->scanner->consume("{")) { if ( ($exp = $this->parseAssignmentExpression()) && $this->scanner->consume("}") ) { $value = $this->createJSXNode( "JSXExpressionContainer", $startExp ); $value->setExpression($exp); $value = $this->completeNode($value); } else { $this->error(); } } elseif ( !($value = $this->parseJSXFragment()) && !($value = $this->parseJSXElement()) ) { $this->error(); } } $node = $this->createJSXNode("JSXAttribute", $name); $node->setName($name); if ($value) { $node->setValue($value); } return $this->completeNode($node); } /** * Checks that 2 tag names are equal * * @param \Peast\Syntax\Node\Node $n1 First name * @param \Peast\Syntax\Node\Node $n2 Second name * * @return bool */ protected function isSameJSXElementName($n1, $n2) { $type = $n1->getType(); if ($type !== $n2->getType()) { return false; } elseif ($type === "JSXNamespacedName") { return $this->isSameJSXElementName( $n1->getNamespace(), $n2->getNamespace() ) && $this->isSameJSXElementName( $n1->getName(), $n2->getName() ); } elseif ($type === "JSXMemberExpression") { return $this->isSameJSXElementName( $n1->getObject(), $n2->getObject() ) && $this->isSameJSXElementName( $n1->getProperty(), $n2->getProperty() ); } return $type === "JSXIdentifier" && $n1->getName() === $n2->getName(); } } PK ! l�3� $ lib/Peast/Syntax/ES2023/Features.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\ES2023; /** * ES2023 features class * * @author Marco Marchiò <marco.mm89@gmail.com> * * @codeCoverageIgnore */ class Features extends \Peast\Syntax\ES2022\Features { /** * Hashbang comments * * @var bool */ public $hashbangComments = true; }PK ! ��H@ $ lib/Peast/Syntax/ES2017/Features.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\ES2017; /** * ES2017 features class * * @author Marco Marchiò <marco.mm89@gmail.com> * * @codeCoverageIgnore */ class Features extends \Peast\Syntax\ES2016\Features { /** * Async/await * * @var bool */ public $asyncAwait = true; /** * Trailing comma in function calls and declarations * * @var bool */ public $trailingCommaFunctionCallDeclaration = true; /** * For-in initializer * * @var bool */ public $forInInitializer = true; }PK ! �{u " lib/Peast/Syntax/EventsEmitter.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax; /** * Events emitter class. An instance of this class is used by Parser and Scanner * to emit events and attach listeners to them * * @author Marco Marchiò <marco.mm89@gmail.com> */ class EventsEmitter { /** * Events registry array * * @var array */ protected $eventsRegistry = array(); /** * Attaches a listener function to the given event * * @param string $event Event name * @param callable $listener Listener function * * @return $this */ public function addListener($event, $listener) { if (!isset($this->eventsRegistry[$event])) { $this->eventsRegistry[$event] = array(); } $this->eventsRegistry[$event][] = $listener; return $this; } /** * Fires an event * * @param string $event Event name * @param array $args Arguments to pass to functions attached to the * event * * @return $this */ public function fire($event, $args = array()) { if (isset($this->eventsRegistry[$event])) { foreach ($this->eventsRegistry[$event] as $listener) { call_user_func_array($listener, $args); } } return $this; } }PK ! ��B� � lib/Peast/Syntax/Token.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax; /** * A token emitted by the tokenizer. * * @author Marco Marchiò <marco.mm89@gmail.com> */ class Token implements \JSONSerializable { //Type constants /** * Boolean literal */ const TYPE_BOOLEAN_LITERAL = "Boolean"; /** * Identifier */ const TYPE_IDENTIFIER = "Identifier"; /** * Private identifier */ const TYPE_PRIVATE_IDENTIFIER = "PrivateIdentifier"; /** * Keyword */ const TYPE_KEYWORD = "Keyword"; /** * Null literal */ const TYPE_NULL_LITERAL = "Null"; /** * Numeric literal */ const TYPE_NUMERIC_LITERAL = "Numeric"; /** * BigInt literal */ const TYPE_BIGINT_LITERAL = "BigInt"; /** * Punctuator */ const TYPE_PUNCTUATOR = "Punctuator"; //This constant is kept only for backward compatibility since it was //first written with a typo const TYPE_PUNCTUTATOR = "Punctuator"; /** * String literal */ const TYPE_STRING_LITERAL = "String"; /** * Regular expression */ const TYPE_REGULAR_EXPRESSION = "RegularExpression"; /** * Template */ const TYPE_TEMPLATE = "Template"; /** * Comment */ const TYPE_COMMENT = "Comment"; /** * JSX text */ const TYPE_JSX_TEXT = "JSXText"; /** * JSX identifier */ const TYPE_JSX_IDENTIFIER = "JSXIdentifier"; /** * Tokens' type that is one of the type constants * * @var string */ public $type; /** * Token's value * * @var string */ public $value; /** * Token's location in the source code * * @var SourceLocation */ public $location; /** * Class constructor * * @param string $type Token's type * @param string $value Token's value */ public function __construct($type, $value) { $this->type = $type; $this->value = $value; $this->location = new SourceLocation(); } /** * Returns the token's type * * @return string */ public function getType() { return $this->type; } /** * Returns the token's value * * @return string */ public function getValue() { return $this->value; } /** * Returns the token's location in the source code * * @return SourceLocation */ public function getLocation() { return $this->location; } /** * Sets the start position of the token in the source code * * @param Position $position Start position * * @return $this */ public function setStartPosition(Position $position) { $this->location->start = $position; return $this; } /** * Sets the end position of the token in the source code * * @param Position $position End position * * @return $this */ public function setEndPosition(Position $position) { $this->location->end = $position; return $this; } /** * Returns a serializable version of the node * * @return array */ #[\ReturnTypeWillChange] public function jsonSerialize() { return array( "type" => $this->type, "value" => $this->value, "location" => $this->location ); } }PK ! �t~� $ lib/Peast/Syntax/ES2016/Features.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax\ES2016; /** * ES2016 features class * * @author Marco Marchiò <marco.mm89@gmail.com> * * @codeCoverageIgnore */ class Features extends \Peast\Syntax\ES2015\Features { /** * Exponentiation operator * * @var bool */ public $exponentiationOperator = true; }PK ! 2�)>�( �( % lib/Peast/Syntax/CommentsRegistry.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax; /** * Comments registry class. Internal class used to manage comments * * @author Marco Marchiò <marco.mm89@gmail.com> */ class CommentsRegistry { /** * Map of the indices where nodes start * * @var int */ protected $nodesStartMap = array(); /** * Map of the indices where nodes end * * @var int */ protected $nodesEndMap = array(); /** * Comments buffer * * @var array */ protected $buffer = null; /** * Last token index * * @var int */ protected $lastTokenIndex = null; /** * Comments registry * * @var array */ protected $registry = array(); /** * Class constructor * * @param Parser $parser Parser */ public function __construct(Parser $parser) { $parser->getEventsEmitter() ->addListener("NodeCompleted", array($this, "onNodeCompleted")) ->addListener("EndParsing", array($this, "onEndParsing")); $parser->getScanner()->getEventsEmitter() ->addListener("TokenConsumed", array($this, "onTokenConsumed")) ->addListener("EndReached", array($this, "onTokenConsumed")) ->addListener("FreezeState", array($this, "onScannerFreezeState")) ->addListener("ResetState", array($this, "onScannerResetState")); } /** * Listener called every time the scanner compose the array that represents * its current state * * @param array $state State * * @return void */ public function onScannerFreezeState(&$state) { //Register the current last token index $state["commentsLastTokenIndex"] = $this->lastTokenIndex; } /** * Listener called every time the scanner reset its state using the given * array * * @param array $state State * * @return void */ public function onScannerResetState(&$state) { //Reset the last token index and delete it from the state array $this->lastTokenIndex = $state["commentsLastTokenIndex"]; unset($state["commentsLastTokenIndex"]); } /** * Listener called every time a token is consumed and when the scanner * reaches the end of the source * * @param Token|null $token Consumed token or null if the end has * been reached * * @return void */ public function onTokenConsumed($token = null) { //Check if it's a comment if ($token && $token->type === Token::TYPE_COMMENT) { //If there is not an open comments buffer, create it if (!$this->buffer) { $this->buffer = array( "prev" => $this->lastTokenIndex, "next" => null, "comments" => array() ); } //Add the comment token to the buffer $this->buffer["comments"][] = $token; } else { if ($token) { $loc = $token->location; //Store the token end position $this->lastTokenIndex = $loc->end->getIndex(); if ($this->buffer) { //Fill the "next" key on the comments buffer with the token //start position $this->buffer["next"] = $loc->start->getIndex(); } } //If there is an open comment buffer, close it and move it to the //registry if ($buffer = $this->buffer) { //Use the location as key to add the group of comments to the //registry, in this way if comments are reprocessed they won't //be duplicated $key = implode("-", array( $buffer["prev"] !== null ? $buffer["prev"] : "", $buffer["next"] !== null ? $buffer["next"] : "" )); $this->registry[$key] = $this->buffer; $this->buffer = null; } } } /** * Listener called every time a node is completed by the parser * * @param Node\Node $node Completed node * * @return void */ public function onNodeCompleted(Node\Node $node) { //Every time a node is completed, register its start and end indices //in the relative properties $loc = $node->location; foreach (array("Start", "End") as $pos) { $val = $loc->{"get$pos"}()->getIndex(); $map = &$this->{"nodes{$pos}Map"}; if (!isset($map[$val])) { $map[$val] = array(); } $map[$val][] = $node; } } /** * Listener called when parsing process ends * * @return void */ public function onEndParsing() { //Return if there are no comments to process if ($this->registry) { //Make sure nodes start indices map is sorted ksort($this->nodesStartMap); //Loop all comment groups in the registry foreach ($this->registry as $group) { $this->findNodeForCommentsGroup($group); } } } /** * Finds the node to attach the given comments group * * @param array $group Comments group * * @return void */ public function findNodeForCommentsGroup($group) { $next = $group["next"]; $prev = $group["prev"]; $comments = $group["comments"]; $leading = true; //If the group of comments has a next token index that appears //in the map of start node indices, add the group to the //corresponding node's leading comments. This associates //comments that appear immediately before a node. //For example: /*comment*/ for (;;){} if (isset($this->nodesStartMap[$next])) { $nodes = $this->nodesStartMap[$next]; } //If the group of comments has a previous token index that appears //in the map of end node indices, add the group to the //corresponding node's trailing comments. This associates //comments that appear immediately after a node. //For example: for (;;){} /*comment*/ elseif (isset($this->nodesEndMap[$prev])) { $nodes = $this->nodesEndMap[$prev]; $leading = false; } //Otherwise, find a node that wraps the comments position. //This associates inner comments: //For example: for /*comment*/ (;;){} else { //Calculate comments group boundaries $start = $comments[0]->location->start->getIndex(); $end = $comments[count($comments) -1]->location->end->getIndex(); $nodes = array(); //Loop all the entries in the start index map foreach ($this->nodesStartMap as $idx => $ns) { //If the index is higher than the start index of the comments //group, stop if ($idx > $start) { break; } foreach ($ns as $node) { //Check if the comments group is inside node indices range if ($node->location->end->getIndex() >= $end) { $nodes[] = $node; } } } //If comments can't be associated with any node, associate it as //leading comments of the program, this happens when the source is //empty if (!$nodes) { $firstNode = array_values($this->nodesStartMap); $nodes = array($firstNode[0][0]); } } //If there are multiple possible nodes to associate the comments to, //find the shortest one if (count($nodes) > 1) { usort($nodes, array($this, "compareNodesLength")); } $this->associateComments($nodes[0], $comments, $leading); } /** * Compares node length * * @param Node\Node $node1 First node * @param Node\Node $node2 Second node * * @return int * * @codeCoverageIgnore */ public function compareNodesLength($node1, $node2) { $loc1 = $node1->location; $length1 = $loc1->end->getIndex() - $loc1->start->getIndex(); $loc2 = $node2->location; $length2 = $loc2->end->getIndex() - $loc2->start->getIndex(); //If the nodes have the same length make sure to choose nodes //different from Program nodes if ($length1 === $length2) { if ($node1 instanceof Node\Program) { $length1 += 1000; } elseif ($node2 instanceof Node\Program) { $length2 += 1000; } } return $length1 < $length2 ? -1 : 1; } /** * Adds comments to the given node * * @param Node\Node $node Node * @param array $comments Array of comments to add * @param bool $leading True to add comments as leading comments * or false to add them as trailing comments * * @return void */ public function associateComments($node, $comments, $leading) { $fn = ($leading ? "Leading" : "Trailing") . "Comments"; $currentComments = $node->{"get$fn"}(); foreach ($comments as $comment) { $loc = $comment->location; $commentNode = new Node\Comment; $commentNode->location->start = $loc->start; $commentNode->location->end = $loc->end; $commentNode->setRawText($comment->value); $currentComments[] = $commentNode; } $node->{"set$fn"}($currentComments); } }PK ! BA��� �� lib/Peast/Syntax/Scanner.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax; /** * Base class for scanners. * * @author Marco Marchiò <marco.mm89@gmail.com> */ class Scanner { use JSX\Scanner; /** * Scanner features * * @var Features */ protected $features; /** * Current column * * @var int */ protected $column = 0; /** * Current line * * @var int */ protected $line = 1; /** * Current index * * @var int */ protected $index = 0; /** * Source length * * @var int */ protected $length; /** * Source characters * * @var array */ protected $source; /** * Consumed position * * @var Position */ protected $position; /** * Current token * * @var Token */ protected $currentToken; /** * Next token * * @var Token */ protected $nextToken; /** * Strict mode flag * * @var bool */ protected $strictMode = false; /** * True to register tokens in the tokens array * * @var bool */ protected $registerTokens = false; /** * Module mode * * @var bool */ protected $isModule = false; /** * Comments handling * * @var bool */ protected $comments = false; /** * Internal JSX scan flag * * @var bool */ protected $jsx = false; /** * Registered tokens array * * @var array */ protected $tokens = array(); /** * Comments to tokens map * * @var array */ protected $commentsMap = array(); /** * Events emitter * * @var EventsEmitter */ protected $eventsEmitter; /** * Regex to match identifiers starts * * @var string */ protected $idStartRegex = "/[\p{Lu}\p{Ll}\p{Lt}\p{Lm}\p{Lo}\p{Nl}\x{1885}\x{1886}\x{2118}\x{212E}\x{309B}\x{309C}]/u"; /** * Regex to match identifiers parts * * @var string */ protected $idPartRegex = "/[\p{Lu}\p{Ll}\p{Lt}\p{Lm}\p{Lo}\p{Nl}\x{1885}\x{1886}\x{2118}\x{212E}\x{309B}\x{309C}\p{Mn}\p{Mc}\p{Nd}\p{Pc}\x{00B7}\x{0387}\x{1369}\x{136A}\x{136B}\x{136C}\x{136D}\x{136E}\x{136F}\x{1370}\x{1371}\x{19DA}\x{200C}\x{200D}]/u"; /** * Keywords array * * @var array */ protected $keywords = array( "break", "do", "in", "typeof", "case", "else", "instanceof", "var", "catch", "export", "new", "void", "class", "extends", "return", "while", "const", "finally", "super", "with", "continue", "for", "switch", "debugger", "function", "this", "default", "if", "throw", "delete", "import", "try", "enum", "await" ); /** * Array of words that are keywords only in strict mode * * @var array */ protected $strictModeKeywords = array( "implements", "interface", "package", "private", "protected", "public", "static", "let", "yield" ); /** * Punctuators array * * @var array */ protected $punctuators = array( ".", ";", ",", "<", ">", "<=", ">=", "==", "!=", "===", "!==", "+", "-", "*", "%", "++", "--", "<<", ">>", ">>>", "&", "|", "^", "!", "~", "&&", "||", "?", ":", "=", "+=", "-=", "*=", "%=", "<<=", ">>=", ">>>=", "&=", "|=", "^=", "=>", "...", "/", "/=", "**", "**=", "??", "?.", "&&=", "||=", "??=" ); /** * Punctuators LSM * * @var LSM */ protected $punctuatorsLSM; /** * Strings stops LSM * * @var LSM */ protected $stringsStopsLSM; /** * Brackets array * * @var array */ protected $brackets = array( "(" => "", "[" => "", "{" => "", ")" => "(", "]" => "[", "}" => "{" ); /** * Open brackets array * * @var array */ protected $openBrackets = array(); /** * Open templates array * * @var array */ protected $openTemplates = array(); /** * Whitespaces array * * @var array */ protected $whitespaces = array( " ", "\t", "\n", "\r", "\f", "\v", 0x00A0, 0xFEFF, 0x00A0, 0x1680, 0x2000, 0x2001, 0x2002, 0x2003, 0x2004, 0x2005, 0x2006, 0x2007, 0x2008, 0x2009, 0x200A, 0x202F, 0x205F, 0x3000, 0x2028, 0x2029 ); /** * Line terminators characters array * * @var array * * @static */ public static $lineTerminatorsChars = array("\n", "\r", 0x2028, 0x2029); /** * Line terminators sequences array * * @var array * * @static */ public static $lineTerminatorsSequences = array("\r\n"); /** * Regex to split texts using valid ES line terminators * * @var array */ protected $linesSplitter; /** * Concatenation of line terminators characters and line terminators * sequences * * @var array */ protected $lineTerminators; /** * Properties to copy when getting the scanner state * * @var array */ protected $stateProps = array("position", "index", "column", "line", "currentToken", "nextToken", "strictMode", "openBrackets", "openTemplates", "commentsMap"); /** * Decimal numbers * * @var array */ protected $numbers = array("0", "1", "2", "3", "4", "5", "6", "7", "8", "9"); /** * Hexadecimal numbers * * @var array */ protected $xnumbers = array("0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "a", "b", "c", "d", "e", "f", "A", "B", "C", "D", "E", "F"); /** * Octal numbers * * @var array */ protected $onumbers = array("0", "1", "2", "3", "4", "5", "6", "7"); /** * Binary numbers * * @var array */ protected $bnumbers = array("0", "1"); /** * Class constructor * * @param string $source Source code * @param Features $features Scanner features * @param array $options Parsing options */ function __construct( $source, Features $features, $options ) { $this->features = $features; $encoding = isset($options["sourceEncoding"]) ? $options["sourceEncoding"] : null; //Strip BOM characters from the source $this->stripBOM($source, $encoding); //Convert to UTF8 if needed if ($encoding && !preg_match("/UTF-?8/i", $encoding)) { $source = mb_convert_encoding($source, "UTF-8", $encoding); } //Instead of using mb_substr for each character, split the source //into an array of UTF8 characters for performance reasons $this->source = Utils::stringToUTF8Array( $source, !isset($options["strictEncoding"]) || $options["strictEncoding"] ); $this->length = count($this->source); //Convert character codes to UTF8 characters in whitespaces and line //terminators $this->lineTerminators = array_merge( self::$lineTerminatorsSequences, self::$lineTerminatorsChars ); foreach (array("whitespaces", "lineTerminators") as $key) { foreach ($this->$key as $i => $char) { if (is_int($char)) { $this->{$key}[$i] = Utils::unicodeToUtf8($char); } } } //Remove exponentiation operator if the feature //is not enabled if (!$this->features->exponentiationOperator) { Utils::removeArrayValue($this->punctuators, "**"); Utils::removeArrayValue($this->punctuators, "**="); } if (!$this->features->optionalChaining) { Utils::removeArrayValue($this->punctuators, "?."); } //Remove logical assignment operators if the feature //is not enabled if (!$this->features->logicalAssignmentOperators) { Utils::removeArrayValue($this->punctuators, "&&="); Utils::removeArrayValue($this->punctuators, "||="); Utils::removeArrayValue($this->punctuators, "??="); } //Create a LSM for punctuators array $this->punctuatorsLSM = new LSM($this->punctuators); //Create a LSM for strings stops $this->stringsStopsLSM = new LSM($this->lineTerminators, true); //Allow paragraph and line separators in strings if ($this->features->paragraphLineSepInStrings) { $this->stringsStopsLSM->remove(Utils::unicodeToUtf8(0x2028)); $this->stringsStopsLSM->remove(Utils::unicodeToUtf8(0x2029)); } //Remove await as keyword if async/await is enabled if ($this->features->asyncAwait) { Utils::removeArrayValue($this->keywords, "await"); } $this->linesSplitter = "/" . implode("|", $this->lineTerminators) . "/uS"; $this->position = new Position(0, 0, 0); } /** * Strips BOM characters from the source and detects source encoding if not * given by the user * * @param string $source Source * @param string $encoding User specified encoding */ public function stripBOM(&$source, &$encoding) { $boms = array( "\xEF" => array(array("\xBB", "\xBF"), "UTF-8"), "\xFE" => array(array("\xFF"), "UTF-16BE"), "\xFF" => array(array("\xFE"), "UTF-16LE"), ); if (!isset($source[0]) || !isset($boms[$source[0]])) { return; } $bom = $boms[$source[0]]; $l = count($bom[0]); for ($i = 0; $i < $l; $i++) { if (!isset($source[$i + 1]) || $source[$i + 1] !== $bom[0][$i]) { return; } } $source = substr($source, $l + 1); if (!$encoding) { $encoding = $bom[1]; } } /** * Enables or disables module scanning mode * * @param bool $enable True to enable module scanning mode, false to disable it * * @return $this */ public function enableModuleMode($enable = true) { $this->isModule = $enable; return $this; } /** * Enables or disables comments handling * * @param bool $enable True to enable comments handling, false to disable it * * @return $this */ public function enableComments($enable = true) { $this->comments = $enable; return $this; } /** * Enables or disables tokens registration in the token array * * @param bool $enable True to enable token registration, false to disable it * * @return $this */ public function enableTokenRegistration($enable = true) { $this->registerTokens = $enable; return $this; } /** * Return registered tokens * * @return array */ public function getTokens() { return $this->tokens; } /** * Returns the scanner's event emitter * * @return EventsEmitter */ public function getEventsEmitter() { if (!$this->eventsEmitter) { //The event emitter is created here so that it won't exist if not //necessary $this->eventsEmitter = new EventsEmitter; } return $this->eventsEmitter; } /** * Enables or disables strict mode * * @param bool $strictMode Strict mode state * * @return $this */ public function setStrictMode($strictMode) { $this->strictMode = $strictMode; return $this; } /** * Return strict mode state * * @return bool */ public function getStrictMode() { return $this->strictMode; } /** * Checks if the given token is a keyword in the current strict mode state * * @param Token $token Token to checks * * @return bool */ public function isStrictModeKeyword($token) { return $token->type === Token::TYPE_KEYWORD && (in_array($token->value, $this->keywords) || ( $this->strictMode && in_array($token->value, $this->strictModeKeywords))); } /** * Returns the current scanner state * * @return array */ public function getState() { //Consume current and next tokens so that they wont' be parsed again //if the state is restored. If the current token is a slash the next //token isn't parsed, this prevents some edge cases where a regexp //that contains something that can be interpreted as a comment causes //the content to be parsed as a real comment too $token = $this->currentToken ?: $this->getToken(); if ($token && $token->value !== "/") { $this->getNextToken(); } $state = array(); foreach ($this->stateProps as $prop) { $state[$prop] = $this->$prop; } if ($this->registerTokens) { $state["tokensNum"] = count($this->tokens); } //Emit the FreezeState event and pass the given state so that listeners //attached to this event can add data $this->eventsEmitter && $this->eventsEmitter->fire( "FreezeState", array(&$state) ); return $state; } /** * Sets the current scanner state * * @param array $state State * * @return $this */ public function setState($state) { if ($this->registerTokens) { //Check if tokens have been added if (isset($this->tokens[$state["tokensNum"]])) { //Remove all added tokens for ($i = count($this->tokens) - 1; $i >= $state["tokensNum"]; $i--) { array_pop($this->tokens); } } unset($state["tokensNum"]); } //Emit the ResetState event and pass the given state $this->eventsEmitter && $this->eventsEmitter->fire( "ResetState", array(&$state) ); foreach ($state as $key => $value) { $this->$key = $value; } return $this; } /** * Returns current scanner state * * @param bool $scanPosition By default this method returns the scanner * consumed position, if this parameter is true * the scanned position will be returned * * @return Position */ public function getPosition($scanPosition = false) { if ($scanPosition) { return new Position($this->line, $this->column, $this->index); } else { return $this->position; } } /** * Sets the current scan position at the given one * * @param Position $position Position at which the scan position will be set * * @return $this */ public function setScanPosition(Position $position) { $this->line = $position->getLine(); $this->column = $position->getColumn(); $this->index = $position->getIndex(); return $this; } /** * Return the character at the given index in the source code or null if the * end is reached. * * @param int $index Index, if not given it will use the current index * * @return string|null */ public function charAt($index = null) { if ($index === null) { $index = $this->index; } return $index < $this->length ? $this->source[$index] : null; } /** * Throws a syntax error * * @param string $message Error message * * @return void * * @throws Exception */ protected function error($message = null) { if (!$message) { $message = "Unexpected " . $this->charAt(); } throw new Exception($message, $this->getPosition(true)); } /** * Consumes the current token * * @return $this */ public function consumeToken() { //Move the scanner position to the end of the current position $this->position = $this->currentToken->location->end; //Before consume the token, consume comments associated with it if ($this->comments) { $this->consumeCommentsForCurrentToken(); } //Register the token if required if ($this->registerTokens) { $this->tokens[] = $this->currentToken; } //Emit the TokenConsumed event for the consumed token $this->eventsEmitter && $this->eventsEmitter->fire( "TokenConsumed", array($this->currentToken) ); $this->currentToken = $this->nextToken; $this->nextToken = null; return $this; } /** * Checks if the given string is matched, if so it consumes the token * * @param string $expected String to check * * @return Token|null */ public function consume($expected) { //Do not call getToken if there's already a pending token for //performance reasons $token = $this->currentToken ?: $this->getToken(); if ($token && $token->value === $expected) { $this->consumeToken(); return $token; } return null; } /** * Checks if one of the given strings is matched, if so it consumes the * token * * @param array $expected Strings to check * * @return Token|null */ public function consumeOneOf($expected) { //Do not call getToken if there's already a pending token for //performance reasons $token = $this->currentToken ?: $this->getToken(); if ($token && in_array($token->value, $expected)) { $this->consumeToken(); return $token; } return null; } /** * Checks that there are not line terminators following the current scan * position before next token * * @param bool $nextToken By default it checks the current token position * relative to the current position, if this * parameter is true the check will be done relative * to the next token * * @return bool */ public function noLineTerminators($nextToken = false) { if ($nextToken) { $nextToken = $this->getNextToken(); $refLine = !$nextToken ? null : $nextToken->location->end->getLine(); } else { $refLine = $this->getPosition()->getLine(); } $token = $this->currentToken ?: $this->getToken(); return $token && $token->location->start->getLine() === $refLine; } /** * Checks if one of the given strings follows the current scan position * * @param string|array $expected String or array of strings to check * @param bool $nextToken This parameter must be true if the first * parameter is an array so that it will * check also next tokens * * @return bool */ public function isBefore($expected, $nextToken = false) { $token = $this->currentToken ?: $this->getToken(); if (!$token) { return false; } elseif (in_array($token->value, $expected)) { return true; } elseif (!$nextToken) { return false; } if (!$this->getNextToken()) { return false; } foreach ($expected as $val) { if (!is_array($val) || $val[0] !== $token->value) { continue; } //If the second value in the array is true check that the current //token is not followed by line terminators, otherwise compare its //value to the next token if (($val[1] === true && $this->noLineTerminators(true)) || ($val[1] !== true && $val[1] === $this->nextToken->value)) { return true; } } return false; } /** * Returns the next token * * @return Token|null */ public function getNextToken() { if (!$this->nextToken) { $token = $this->currentToken ?: $this->getToken(); $this->currentToken = null; $this->nextToken = $this->getToken(true); $this->currentToken = $token; } return $this->nextToken; } /** * Returns the current token * * @param bool $skipEOFChecks True to skip end of file checks * even if the end is reached * * @return Token|null */ public function getToken($skipEOFChecks = false) { //The current token is returned until consumed if ($this->currentToken) { return $this->currentToken; } $comments = $this->skipWhitespacesAndComments(); //Emit the TokenCreated event for all the comments found if ($comments) { foreach ($comments as $comment) { $this->eventsEmitter && $this->eventsEmitter->fire( "TokenCreated", array($comment) ); } } //When the end of the source is reached if ($this->index >= $this->length) { //Check if there are open brackets if (!$skipEOFChecks) { foreach ($this->openBrackets as $bracket => $num) { if ($num) { $this->error("Unclosed $bracket"); } } //Check if there are open templates if (count($this->openTemplates)) { $this->error("Unterminated template"); } } //Register comments and consume them if ($this->comments && $comments) { $this->commentsForCurrentToken($comments); } //Emit the EndReached event when at the end of the source $this->eventsEmitter && $this->eventsEmitter->fire( "EndReached" ); return null; } $startPosition = $this->getPosition(true); $origException = null; try { //Try to match a token if ( ($this->jsx && ($token = $this->scanJSXIdentifier())) || ($token = $this->scanTemplate()) || ($token = $this->scanNumber()) || ($this->jsx && ($token = $this->scanJSXPunctuator())) || ($token = $this->scanPunctuator()) || ($token = $this->scanKeywordOrIdentifier()) || ($this->jsx && ($token = $this->scanJSXString())) || ($token = $this->scanString()) ) { //Set the token start and end positions $token->location->start = $startPosition; $token->location->end = $this->getPosition(true); $this->currentToken = $token; //Register comments if required if ($this->comments && $comments) { $this->commentsForCurrentToken($comments); } //Emit the TokenCreated event for the token just created $this->eventsEmitter && $this->eventsEmitter->fire( "TokenCreated", array($this->currentToken) ); return $this->currentToken; } } catch (Exception $e) { $origException = $e; } //If last token was "/" do not throw an error if the token has not be //recognized since it can be the first character in a regexp and it will //be consumed when the current token will be reconsumed as a regexp if ($this->isAfterSlash($startPosition)) { $this->setScanPosition($startPosition); return null; } //No valid token found. If there was a scan error, throw the same //exception again, otherwise throw a new error if ($origException) { throw $origException; } $this->error(); } /** * Executes the operations to handle the end of the source scanning * * @return $this */ public function consumeEnd() { //Consume final comments if ($this->comments) { $this->consumeCommentsForCurrentToken(); } //Emit the EndReached event when at the end of the source $this->eventsEmitter && $this->eventsEmitter->fire( "EndReached" ); return $this; } /** * Gets or sets comments for the current token. If the parameter is an * array it associates the given comments array to the current node, * otherwise comments for the current token are returned * * @param array $comments Comments array * * @return array */ protected function commentsForCurrentToken($comments = null) { $id = $this->currentToken ? spl_object_hash($this->currentToken) : ""; if ($comments !== null) { $this->commentsMap[$id] = $comments; } elseif (isset($this->commentsMap[$id])) { $comments = $this->commentsMap[$id]; unset($this->commentsMap[$id]); } return $comments; } /** * Consumes comment tokens associated with the current token * * @return $this */ protected function consumeCommentsForCurrentToken() { $comments = $this->commentsForCurrentToken(); if ($comments && ($this->registerTokens || $this->eventsEmitter)) { foreach ($comments as $comment) { //Register the token if required if ($this->registerTokens) { $this->tokens[] = $comment; } //Emit the TokenConsumed event for the comment $this->eventsEmitter && $this->eventsEmitter->fire( "TokenConsumed", array($comment) ); } } return $this; } /** * Checks if the given position follows a slash. * * @param Position $position Position to check * * @return bool */ protected function isAfterSlash($position) { //Start from the previous index and loop until the begin of the file is reached $idx = $position->getIndex() - 1; while ($idx >= 0) { //Get the char at the index to check $char = $this->charAt($idx); //If the char is actually a slash check that it's not a multiline comment closing slash if ($char === "/") { return $idx === 0 || $this->charAt($idx - 1) !== "*"; } //Skip whitespaces but not line terminators since regexps can't be multiline elseif (in_array($char, $this->whitespaces) && !in_array($char, $this->lineTerminators)) { $idx--; } //If "/=" is found, return true, this is the only operator that needs a special treatment //since it can be also the start of a regex elseif ($char === "=" && $this->charAt($idx - 1) === "/") { return true; } //Different character, return else { break; } } return false; } /** * Tries to reconsume the current token as a regexp if possible * * @return Token|null */ public function reconsumeCurrentTokenAsRegexp() { $token = $this->currentToken ?: $this->getToken(); $value = $token ? $token->value : null; //Check if the token starts with "/" if (!$value || $value[0] !== "/") { return null; } //Reset the scanner position to the token's start position $startPosition = $token->location->start; $this->setScanPosition($startPosition); $buffer = "/"; $this->index++; $this->column++; $inClass = false; while (true) { //In a characters class the delimiter "/" is allowed without escape, //so the characters class must be closed before closing the regexp $stops = $inClass ? array("]") : array("/", "["); $tempBuffer = $this->consumeUntil($stops); if ($tempBuffer === null) { if ($inClass) { $this->error( "Unterminated character class in regexp" ); } else { $this->error("Unterminated regexp"); } } $buffer .= $tempBuffer[0]; if ($tempBuffer[1] === "/") { break; } else { $inClass = $tempBuffer[1] === "["; } } //Flags while (($char = $this->charAt()) !== null) { $lower = strtolower($char); if ($lower >= "a" && $lower <= "z") { $buffer .= $char; $this->index++; $this->column++; } else { break; } } //If next token has already been parsed and it's a bracket exclude it //from the count of open brackets if ($this->nextToken) { $nextVal = $this->nextToken->value; if (isset($this->brackets[$nextVal]) && isset($this->openBrackets[$nextVal]) ) { if ($this->brackets[$nextVal]) { $this->openBrackets[$nextVal]++; } else { $this->openBrackets[$nextVal]--; } } $this->nextToken = null; } //If comments handling is enabled, get the comments associated with the //current token $comments = $this->comments ? $this->commentsForCurrentToken() : null; //Replace the current token with a regexp token $token = new Token(Token::TYPE_REGULAR_EXPRESSION, $buffer); $token->location->start = $startPosition; $token->location->end = $this->getPosition(true); $this->currentToken = $token; if ($comments) { //Attach the comments to the new current token $this->commentsForCurrentToken($comments); } return $this->currentToken; } /** * Skips whitespaces and comments from the current scan position. If * comments handling is enabled, the array of parsed comments * * @return array */ protected function skipWhitespacesAndComments() { $comments = []; $content = ""; $secStartIdx = $this->index; while (($char = $this->charAt()) !== null) { //Whitespace if (in_array($char, $this->whitespaces)) { $content .= $char; $this->index++; } elseif ($char === "/" || $char === "#") { $nextChar = $this->charAt($this->index + 1); if ($char === "#") { //Hashbang comment. This will be parsed only if hashbang comments are enabled //and if it appears at the beginning of the code $valid = $nextChar === "!" && $this->features->hashbangComments && !$this->index; } else { $valid = $nextChar === "/" || $nextChar === "*"; } //Comment if ($valid) { //If comments must be handled, empty the current content too //and get the comment start position if ($this->comments) { if ($content !== "") { $this->adjustColumnAndLine($content); $content = ""; } $start = $this->getPosition(true); } $inline = $nextChar !== "*"; $this->index += 2; $content .= $char . $nextChar; while (true) { $char = $this->charAt(); if ($char === null) { if (!$inline) { //If the end of the source has been reached and //a multiline comment is still open, it's an //error $this->error("Unterminated comment"); } $isEnd = true; } else { $content .= $char; $this->index++; $isEnd = $inline ? //Inline comment in_array($char, $this->lineTerminators) : //Multiline comment $char === "*" && $this->charAt() === "/"; } if ($isEnd) { if (!$inline) { $content .= "/"; $this->index++; } if ($this->comments) { //For inline comments the closing line //terminator must be excluded from comment text if ($inline && $char !== null) { $this->index--; $content = substr($content, 0, -strlen($char)); } $this->adjustColumnAndLine($content); $token = new Token(Token::TYPE_COMMENT, $content); $token->location->start = $start; $token->location->end = $this->getPosition(true); $comments[] = $token; //For inline comments the new content contains //the closing line terminator since the char has //already been processed $content = ""; if ($inline && $char !== null) { $content = $char; $this->index++; } } break; } } } else { break; } } elseif (!$this->isModule && $char === "<" && $this->charAt($this->index + 1) === "!" && $this->charAt($this->index + 2) === "-" && $this->charAt($this->index + 3) === "-" ) { //If comments must be handled, empty the current content too //and get the comment start position if ($this->comments) { if ($content !== "") { $this->adjustColumnAndLine($content); $content = ""; } $start = $this->getPosition(true); } //Open html comment $this->index += 4; $content .= "<!--"; while (true) { $char = $this->charAt(); if ($char === null) { $isEnd = true; } else { $content .= $char; $this->index++; $isEnd = in_array($char, $this->lineTerminators); } if ($isEnd) { if ($this->comments) { //Remove the closing line terminator from the //comment text if ($char !== null) { $this->index--; $content = substr($content, 0, -strlen($char)); } $this->adjustColumnAndLine($content); $token = new Token(Token::TYPE_COMMENT, $content); $token->location->start = $start; $token->location->end = $this->getPosition(true); $comments[] = $token; $content = ""; if ($char !== null) { $content = $char; $this->index++; } } break; } } } elseif (!$this->isModule && $char === "-" && $this->charAt($this->index + 1) === "-" && $this->charAt($this->index + 2) === ">" ) { //Close html comment //Check if it is on it's own line $allow = false; if (!$secStartIdx) { $allow = true; } else { for ($index = $this->index - 1; $index >= $secStartIdx; $index--) { if (in_array($this->charAt($index), $this->lineTerminators)) { $allow = true; break; } } } if ($allow) { //If comments must be handled, empty the current content too //and get the comment start position if ($this->comments) { if ($content !== "") { $this->adjustColumnAndLine($content); $content = ""; } $start = $this->getPosition(true); } $this->index += 3; $content .= "-->"; while (true) { $char = $this->charAt(); if ($char === null) { $isEnd = true; } else { $content .= $char; $this->index++; $isEnd = in_array($char, $this->lineTerminators); } if ($isEnd) { if ($this->comments) { //Remove the closing line terminator from the //comment text if ($char !== null) { $this->index--; $content = substr($content, 0, -strlen($char)); } $this->adjustColumnAndLine($content); $token = new Token(Token::TYPE_COMMENT, $content); $token->location->start = $start; $token->location->end = $this->getPosition(true); $comments[] = $token; $content = ""; if ($char !== null) { $content = $char; $this->index++; } } break; } } } else { break; } } else { break; } } if ($content !== "") { $this->adjustColumnAndLine($content); } return $comments; } /** * String scanning method * * @param bool $handleEscape True to handle escaping * * @return Token|null */ protected function scanString($handleEscape = true) { $char = $this->charAt(); if ($char === "'" || $char === '"') { $this->index++; $this->column++; //Add the quote to the LSM and then remove it after consuming $this->stringsStopsLSM->add($char); $buffer = $this->consumeUntil($this->stringsStopsLSM, $handleEscape); $this->stringsStopsLSM->remove($char); if ($buffer === null || $buffer[1] !== $char) { $this->error("Unterminated string"); } return new Token(Token::TYPE_STRING_LITERAL, $char . $buffer[0]); } return null; } /** * Template scanning method * * @return Token|null */ protected function scanTemplate() { $char = $this->charAt(); //Get the current number of open curly brackets $openCurly = isset($this->openBrackets["{"]) ? $this->openBrackets["{"] : 0; //If the character is a curly bracket check and the number of open //curly brackets matches the last number in the open templates stack, //then the bracket closes the open template expression $endExpression = false; if ($char === "}") { $len = count($this->openTemplates); if ($len && $this->openTemplates[$len - 1] === $openCurly) { $endExpression = true; array_pop($this->openTemplates); } } if ($char === "`" || $endExpression) { $this->index++; $this->column++; $buffer = $char; while (true) { $tempBuffer = $this->consumeUntil(array("`", "$")); if (!$tempBuffer) { $this->error("Unterminated template"); } $buffer .= $tempBuffer[0]; if ($tempBuffer[1] !== "$" || $this->charAt() === "{") { //If "${" is found it's a new template expression, register //the current number of open curly brackets in the open //templates stack if ($tempBuffer[1] === "$") { $this->index++; $this->column++; $buffer .= "{"; $this->openTemplates[] = $openCurly; } break; } } return new Token(Token::TYPE_TEMPLATE, $buffer); } return null; } /** * Number scanning method * * @return Token|null */ protected function scanNumber() { //Numbers can start with a decimal number or with a dot (.5) $char = $this->charAt(); if (!(($char >= "0" && $char <= "9") || $char === ".")) { return null; } $buffer = ""; $allowedDecimals = true; //Parse the integer part if ($char !== ".") { //Consume all decimal numbers $buffer = $this->consumeNumbers(); $char = $this->charAt(); if ($this->features->bigInt && $char === "n") { $this->index++; $this->column++; return new Token(Token::TYPE_BIGINT_LITERAL, $buffer . $char); } $lower = $char !== null ? strtolower($char) : null; //Handle hexadecimal (0x), octal (0o) and binary (0b) forms if ($buffer === "0" && $lower !== null && isset($this->{$lower . "numbers"}) ) { $this->index++; $this->column++; $tempBuffer = $this->consumeNumbers($lower); if ($tempBuffer === null) { $this->error("Missing numbers after 0$char"); } $buffer .= $char . $tempBuffer; //Check that there are not numbers left if ($this->consumeNumbers() !== null) { $this->error(); } if ($this->features->bigInt && $this->charAt() === "n") { $this->index++; $this->column++; return new Token(Token::TYPE_BIGINT_LITERAL, $buffer . $char); } return new Token(Token::TYPE_NUMERIC_LITERAL, $buffer); } //Consume exponent part if present if ($tempBuffer = $this->consumeExponentPart()) { $buffer .= $tempBuffer; $allowedDecimals = false; } } //Parse the decimal part if ($allowedDecimals && $this->charAt() === ".") { //Consume the dot $this->index++; $this->column++; $buffer .= "."; //Consume all decimal numbers $tempBuffer = $this->consumeNumbers(); $buffer .= $tempBuffer; //If the buffer contains only the dot it should be parsed as //punctuator if ($buffer === ".") { $this->index--; $this->column--; return null; } //Consume exponent part if present if (($tempBuffer = $this->consumeExponentPart()) !== null) { $buffer .= $tempBuffer; } } return new Token(Token::TYPE_NUMERIC_LITERAL, $buffer); } /** * Consumes the maximum number of digits * * @param string $type Digits type (decimal, hexadecimal, etc...) * @param int $max Maximum number of digits to match * * @return string|null */ protected function consumeNumbers($type = "", $max = null) { $buffer = ""; $char = $this->charAt(); $count = 0; $extra = $this->features->numericLiteralSeparator ? "_" : ""; while ( in_array($char, $this->{$type . "numbers"}) || ($count && $char === $extra) ) { $buffer .= $char; $this->index++; $this->column++; $count ++; if ($count === $max) { break; } $char = $this->charAt(); } if ($count && substr($buffer, -1) === "_") { $this->error( "Numeric separators are not allowed at the end of a number" ); } return $count ? $buffer : null; } /** * Consumes the exponent part of a number * * @return string|null */ protected function consumeExponentPart() { $buffer = ""; $char = $this->charAt(); if ($char !== null && strtolower($char) === "e") { $this->index++; $this->column++; $buffer .= $char; $char = $this->charAt(); if ($char === "+" || $char === "-") { $this->index++; $this->column++; $buffer .= $char; } $tempBuffer = $this->consumeNumbers(); if ($tempBuffer === null) { $this->error("Missing exponent"); } $buffer .= $tempBuffer; } return $buffer; } /** * Punctuator scanning method * * @return Token|null */ protected function scanPunctuator() { $token = null; $char = $this->charAt(); //Check if the next char is a bracket if (isset($this->brackets[$char])) { //Check if it is a closing bracket if ($this->brackets[$char]) { $openBracket = $this->brackets[$char]; //Check if there is a corresponding open bracket if (!isset($this->openBrackets[$openBracket]) || !$this->openBrackets[$openBracket] ) { if (!$this->isAfterSlash($this->getPosition(true))) { $this->error(); } } else { $this->openBrackets[$openBracket]--; } } else { if (!isset($this->openBrackets[$char])) { $this->openBrackets[$char] = 0; } $this->openBrackets[$char]++; } $this->index++; $this->column++; $token = new Token(Token::TYPE_PUNCTUATOR, $char); } elseif ( //Try to match the longest punctuator $match = $this->punctuatorsLSM->match($this, $this->index, $char) ) { //Optional chaining punctuator cannot appear before a number, in this //case only the question mark must be consumed if ($match[1] === "?." && ($nextChar = $this->charAt($this->index + $match[0])) !== null && $nextChar >= "0" && $nextChar <= "9" ) { $match = array(1, "?"); } $this->index += $match[0]; $this->column += $match[0]; $token = new Token(Token::TYPE_PUNCTUATOR, $match[1]); } return $token; } /** * Keywords and identifiers scanning method * * @return Token|null */ protected function scanKeywordOrIdentifier() { //Check private identifier start character if ($private = $this->features->privateMethodsAndFields && $this->charAt() === "#") { $this->index++; $this->column++; } //Consume the maximum number of characters that are unicode escape //sequences or valid identifier starts (only the first character) or //parts $buffer = ""; $start = true; while (($char = $this->charAt()) !== null) { if ( ($char >= "a" && $char <= "z") || ($char >= "A" && $char <= "Z") || $char === "_" || $char === "$" || (!$start && $char >= "0" && $char <= "9") || $this->isIdentifierChar($char, $start) ) { $buffer .= $char; $this->index++; $this->column++; } elseif ($char === "\\" && ($seq = $this->consumeUnicodeEscapeSequence())) { //Verify that it's a valid character if (!$this->isIdentifierChar($seq[1], $start)) { break; } $buffer .= $seq[0]; } else { break; } $start = false; } //Identify token type if ($buffer === "") { //Unconsume the hash if nothing was found after that if ($private) { $this->index--; $this->column--; } return null; } elseif ($private) { $type = Token::TYPE_PRIVATE_IDENTIFIER; $buffer = "#" . $buffer; } elseif ($buffer === "null") { $type = Token::TYPE_NULL_LITERAL; } elseif ($buffer === "true" || $buffer === "false") { $type = Token::TYPE_BOOLEAN_LITERAL; } elseif (in_array($buffer, $this->keywords) || in_array($buffer, $this->strictModeKeywords) ) { $type = Token::TYPE_KEYWORD; } else { $type = Token::TYPE_IDENTIFIER; } return new Token($type, $buffer); } /** * Consumes an unicode escape sequence * * @return array|null */ protected function consumeUnicodeEscapeSequence() { if ($this->charAt() !== "\\" || $this->charAt($this->index + 1) !== "u" ) { return null; } $startIndex = $this->index; $startColumn = $this->column; $this->index += 2; $this->column += 2; $brackets = false; if ($this->charAt() === "{") { //\u{FFF} $brackets = true; $this->index++; $this->column++; $code = $this->consumeNumbers("x"); if ($code && $this->charAt() !== "}") { $code = null; } else { $this->index++; $this->column++; } } else { //\uFFFF $code = $this->consumeNumbers("x", 4); if ($code && strlen($code) !== 4) { $code = null; } } //Unconsume everything if the format is invalid if ($code === null) { $this->index = $startIndex; $this->column = $startColumn; return null; } //Return an array where the first element is the matched sequence //and the second one is the decoded character return array( $brackets ? "\\u{" . $code . "}" : "\\u" . $code, Utils::unicodeToUtf8(hexdec($code)) ); } /** * Checks if the given character is valid for an identifier * * @param string $char Character to check * @param bool $start If true it will check that the character is * valid to start an identifier * * @return bool */ protected function isIdentifierChar($char, $start = true) { return ($char >= "a" && $char <= "z") || ($char >= "A" && $char <= "Z") || $char === "_" || $char === "$" || (!$start && $char >= "0" && $char <= "9") || preg_match($start ? $this->idStartRegex : $this->idPartRegex, $char); } /** * Increases columns and lines count according to the given string * * @param string $buffer String to analyze * * @return void */ protected function adjustColumnAndLine($buffer) { $lines = preg_split($this->linesSplitter, $buffer); $linesCount = count($lines) - 1; $this->line += $linesCount; $columns = mb_strlen($lines[$linesCount], "UTF-8"); if ($linesCount) { $this->column = $columns; } else { $this->column += $columns; } } /** * Consumes characters until one of the given characters is found * * @param array|LSM $stops Characters to search * @param bool $handleEscape True to handle escaping * @param bool $collectStop True to include the stop character * * @return array|null */ protected function consumeUntil( $stops, $handleEscape = true, $collectStop = true ) { $isLSM = $stops instanceof LSM; $buffer = ""; $escaped = false; while (($char = $this->charAt()) !== null) { $incrIndex = 1; $isStop = false; if ($isLSM) { $m = $stops->match($this, $this->index, $char); if ($m) { $isStop = true; $incrIndex = $m[0]; $char = $m[1]; } } else { $isStop = in_array($char, $stops); } $validStop = $isStop && !$escaped; if (!$validStop || $collectStop) { $this->index += $incrIndex; $buffer .= $char; } if ($validStop) { if (!$collectStop && $buffer === "") { return null; } $this->adjustColumnAndLine($buffer); return array($buffer, $char); } elseif (!$escaped && $char === "\\" && $handleEscape) { $escaped = true; } else { $escaped = false; } } return null; } }PK ! �E� � lib/Peast/Syntax/Parser.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast\Syntax; /** * Parser class * * @author Marco Marchiò <marco.mm89@gmail.com> */ class Parser extends ParserAbstract { use JSX\Parser; //Identifier parsing mode constants /** * Everything is allowed as identifier, including keywords, null and booleans */ const ID_ALLOW_ALL = 1; /** * Keywords, null and booleans are not allowed in any situation */ const ID_ALLOW_NOTHING = 2; /** * Keywords, null and booleans are not allowed in any situation, future * reserved words are allowed if not in strict mode. Keywords that depend on * parser context are evaluated only if the parser context allows them. */ const ID_MIXED = 3; /** * Binding identifier parsing rule * * @var int */ protected static $bindingIdentifier = self::ID_MIXED; /** * Labelled identifier parsing rule * * @var int */ protected static $labelledIdentifier = self::ID_MIXED; /** * Identifier reference parsing rule * * @var int */ protected static $identifierReference = self::ID_MIXED; /** * Identifier name parsing rule * * @var int */ protected static $identifierName = self::ID_ALLOW_ALL; /** * Imported binding parsing rule * * @var int */ protected static $importedBinding = self::ID_ALLOW_NOTHING; /** * Assignment operators * * @var array */ protected $assignmentOperators = array( "=", "+=", "-=", "*=", "/=", "%=", "<<=", ">>=", ">>>=", "&=", "^=", "|=", "**=", "&&=", "||=", "??=" ); /** * Logical and binary operators * * @var array */ protected $logicalBinaryOperators = array( "??" => 0, "||" => 0, "&&" => 1, "|" => 2, "^" => 3, "&" => 4, "===" => 5, "!==" => 5, "==" => 5, "!=" => 5, "<=" => 6, ">=" => 6, "<" => 6, ">" => 6, "instanceof" => 6, "in" => 6, ">>>" => 7, "<<" => 7, ">>" => 7, "+" => 8, "-" => 8, "*" => 9, "/" => 9, "%" => 9, "**" => 10 ); /** * Unary operators * * @var array */ protected $unaryOperators = array( "delete", "void", "typeof", "++", "--", "+", "-", "~", "!" ); /** * Postfix operators * * @var array */ protected $postfixOperators = array("--", "++"); /** * Array of keywords that depends on a context property * * @var array */ protected $contextKeywords = array( "yield" => "allowYield", "await" => "allowAwait" ); /** * Initializes parser context * * @return void */ protected function initContext() { $context = array( "allowReturn" => false, "allowIn" => false, "allowYield" => false, "allowAwait" => false ); //If async/await is not enabled remove the //relative context properties if (!$this->features->asyncAwait) { unset($context["allowAwait"]); unset($this->contextKeywords["await"]); } $this->context = (object) $context; } /** * Post initialize operations * * @return void */ protected function postInit() { //Remove exponentiation operator if the feature //is not enabled if (!$this->features->exponentiationOperator) { Utils::removeArrayValue( $this->assignmentOperators, "**=" ); unset($this->logicalBinaryOperators["**"]); } //Remove coalescing operator if the feature //is not enabled if (!$this->features->coalescingOperator) { unset($this->logicalBinaryOperators["??"]); } //Remove logical assignment operators if the //feature is not enabled if (!$this->features->logicalAssignmentOperators) { foreach (array("&&=", "||=", "??=") as $op) { Utils::removeArrayValue( $this->assignmentOperators, $op ); } } } /** * Parses the source * * @return Node\Program */ public function parse() { if ($this->sourceType === \Peast\Peast::SOURCE_TYPE_MODULE) { $this->scanner->setStrictMode(true); $body = $this->parseModuleItemList(); } else { $body = $this->parseStatementList(true); } $node = $this->createNode( "Program", $body ?: $this->scanner->getPosition() ); $node->setSourceType($this->sourceType); if ($body) { $node->setBody($body); } $program = $this->completeNode($node); if ($this->scanner->getToken()) { $this->error(); } //Execute scanner end operations $this->scanner->consumeEnd(); //Emit the EndParsing event and pass the resulting program node as //event data $this->eventsEmitter && $this->eventsEmitter->fire( "EndParsing", array($program) ); return $program; } /** * Converts an expression node to a pattern node * * @param Node\Node $node The node to convert * * @return Node\Node */ protected function expressionToPattern($node) { if ($node instanceof Node\ArrayExpression) { $loc = $node->location; $elems = array(); foreach ($node->getElements() as $elem) { $elems[] = $this->expressionToPattern($elem); } $retNode = $this->createNode("ArrayPattern", $loc->start); $retNode->setElements($elems); $this->completeNode($retNode, $loc->end); } elseif ($node instanceof Node\ObjectExpression) { $loc = $node->location; $props = array(); foreach ($node->getProperties() as $prop) { $props[] = $this->expressionToPattern($prop); } $retNode = $this->createNode("ObjectPattern", $loc->start); $retNode->setProperties($props); $this->completeNode($retNode, $loc->end); } elseif ($node instanceof Node\Property) { $loc = $node->location; $retNode = $this->createNode( "AssignmentProperty", $loc->start ); // If it's a shorthand property convert the value to an assignment // pattern if necessary $value = $node->getValue(); $key = $node->getKey(); if ($value && $node->getShorthand() && !$value instanceof Node\AssignmentExpression && (!$value instanceof Node\Identifier || ( $key instanceof Node\Identifier && $key->getName() !== $value->getName() ))) { $loc = $node->location; $valNode = $this->createNode("AssignmentPattern", $loc->start); $valNode->setLeft($key); $valNode->setRight($value); $this->completeNode($valNode, $loc->end); $value = $valNode; } else { $value = $this->expressionToPattern($value); } $retNode->setValue($value); $retNode->setKey($key); $retNode->setMethod($node->getMethod()); $retNode->setShorthand($node->getShorthand()); $retNode->setComputed($node->getComputed()); $this->completeNode($retNode, $loc->end); } elseif ($node instanceof Node\SpreadElement) { $loc = $node->location; $retNode = $this->createNode("RestElement", $loc->start); $retNode->setArgument( $this->expressionToPattern($node->getArgument()) ); $this->completeNode($retNode, $loc->end); } elseif ($node instanceof Node\AssignmentExpression) { $loc = $node->location; $retNode = $this->createNode("AssignmentPattern", $loc->start); $retNode->setLeft($this->expressionToPattern($node->getLeft())); $retNode->setRight($node->getRight()); $this->completeNode($retNode, $loc->end); } else { $retNode = $node; } return $retNode; } /** * Parses a statement list * * @param bool $parseDirectivePrologues True to parse directive prologues * * @return Node\Node[]|null */ protected function parseStatementList( $parseDirectivePrologues = false ) { $items = array(); //Get directive prologues and check if strict mode is present if ($parseDirectivePrologues) { $oldStrictMode = $this->scanner->getStrictMode(); if ($directives = $this->parseDirectivePrologues()) { $items = array_merge($items, $directives[0]); //If "use strict" is present enable scanner strict mode if (in_array("use strict", $directives[1])) { $this->scanner->setStrictMode(true); } } } while ($item = $this->parseStatementListItem()) { $items[] = $item; } //Apply previous strict mode if ($parseDirectivePrologues) { $this->scanner->setStrictMode($oldStrictMode); } return count($items) ? $items : null; } /** * Parses a statement list item * * @return Node\Statement|Node\Declaration|null */ protected function parseStatementListItem() { if ($declaration = $this->parseDeclaration()) { return $declaration; } elseif ($statement = $this->parseStatement()) { return $statement; } return null; } /** * Parses a statement * * @return Node\Statement|null */ protected function parseStatement() { //Here the token value is checked for performance so that functions won't be //called if not necessary $token = $this->scanner->getToken(); if (!$token) { return null; } $val = $token->value; if ($val === "{" && $statement = $this->parseBlock()) { return $statement; } elseif ($val === "var" && $statement = $this->parseVariableStatement()) { return $statement; } elseif ($val === ";" && $statement = $this->parseEmptyStatement()) { return $statement; } elseif ($val === "if" && $statement = $this->parseIfStatement()) { return $statement; } elseif ( ($val === "for" || $val === "while" || $val === "do" || $val === "switch") && $statement = $this->parseBreakableStatement() ) { return $statement; } elseif ($val == "continue" && $statement = $this->parseContinueStatement()) { return $statement; } elseif ($val === "break" && $statement = $this->parseBreakStatement()) { return $statement; } elseif ( $this->context->allowReturn && $val === "return" && $statement = $this->parseReturnStatement() ) { return $statement; } elseif ($val === "with" && $statement = $this->parseWithStatement()) { return $statement; } elseif ($val === "throw" && $statement = $this->parseThrowStatement()) { return $statement; } elseif ($val === "try" && $statement = $this->parseTryStatement()) { return $statement; } elseif ($val === "debugger" && $statement = $this->parseDebuggerStatement()) { return $statement; } elseif ($statement = $this->parseLabelledStatement()) { return $statement; } elseif ($statement = $this->parseExpressionStatement()) { return $statement; } return null; } /** * Parses a declaration * * @return Node\Declaration|null */ protected function parseDeclaration() { //Here the token value is checked for performance so that functions won't be //called if not necessary $token = $this->scanner->getToken(); if (!$token) { return null; } $val = $token->value; if ($declaration = $this->parseFunctionOrGeneratorDeclaration()) { return $declaration; } elseif ($val === "class" && $declaration = $this->parseClassDeclaration()) { return $declaration; } elseif ( ($val === "let" || $val === "const") && $declaration = $this->isolateContext( array("allowIn" => true), "parseLexicalDeclaration" ) ) { return $declaration; } return null; } /** * Parses a breakable statement * * @return Node\Node|null */ protected function parseBreakableStatement() { if ($statement = $this->parseIterationStatement()) { return $statement; } elseif ($statement = $this->parseSwitchStatement()) { return $statement; } return null; } /** * Parses a block statement * * @return Node\BlockStatement|null */ protected function parseBlock() { if ($token = $this->scanner->consume("{")) { $statements = $this->parseStatementList(); if ($this->scanner->consume("}")) { $node = $this->createNode("BlockStatement", $token); if ($statements) { $node->setBody($statements); } return $this->completeNode($node); } $this->error(); } return null; } /** * Parses a module item list * * @return Node\Node[]|null */ protected function parseModuleItemList() { $items = array(); while ($item = $this->parseModuleItem()) { $items[] = $item; } return count($items) ? $items : null; } /** * Parses an empty statement * * @return Node\EmptyStatement|null */ protected function parseEmptyStatement() { if ($token = $this->scanner->consume(";")) { $node = $this->createNode("EmptyStatement", $token); return $this->completeNode($node); } return null; } /** * Parses a debugger statement * * @return Node\DebuggerStatement|null */ protected function parseDebuggerStatement() { if ($token = $this->scanner->consume("debugger")) { $node = $this->createNode("DebuggerStatement", $token); $this->assertEndOfStatement(); return $this->completeNode($node); } return null; } /** * Parses an if statement * * @return Node\IfStatement|null */ protected function parseIfStatement() { if ($token = $this->scanner->consume("if")) { if ($this->scanner->consume("(") && ($test = $this->isolateContext( array("allowIn" => true), "parseExpression" )) && $this->scanner->consume(")") && ( ($consequent = $this->parseStatement()) || (!$this->scanner->getStrictMode() && $consequent = $this->parseFunctionOrGeneratorDeclaration( false, false )) ) ) { $node = $this->createNode("IfStatement", $token); $node->setTest($test); $node->setConsequent($consequent); if ($this->scanner->consume("else")) { if (($alternate = $this->parseStatement()) || (!$this->scanner->getStrictMode() && $alternate = $this->parseFunctionOrGeneratorDeclaration( false, false )) ) { $node->setAlternate($alternate); return $this->completeNode($node); } } else { return $this->completeNode($node); } } $this->error(); } return null; } /** * Parses a try-catch statement * * @return Node\TryStatement|null */ protected function parseTryStatement() { if ($token = $this->scanner->consume("try")) { if ($block = $this->parseBlock()) { $node = $this->createNode("TryStatement", $token); $node->setBlock($block); if ($handler = $this->parseCatch()) { $node->setHandler($handler); } if ($finalizer = $this->parseFinally()) { $node->setFinalizer($finalizer); } if ($handler || $finalizer) { return $this->completeNode($node); } } $this->error(); } return null; } /** * Parses the catch block of a try-catch statement * * @return Node\CatchClause|null */ protected function parseCatch() { if ($token = $this->scanner->consume("catch")) { $node = $this->createNode("CatchClause", $token); if ($this->scanner->consume("(")) { if (!($param = $this->parseCatchParameter()) || !$this->scanner->consume(")")) { $this->error(); } $node->setParam($param); } elseif (!$this->features->optionalCatchBinding) { $this->error(); } if (!($body = $this->parseBlock())) { $this->error(); } $node->setBody($body); return $this->completeNode($node); } return null; } /** * Parses the catch parameter of a catch block in a try-catch statement * * @return Node\Node|null */ protected function parseCatchParameter() { if ($param = $this->parseIdentifier(static::$bindingIdentifier)) { return $param; } elseif ($param = $this->parseBindingPattern()) { return $param; } return null; } /** * Parses a finally block in a try-catch statement * * @return Node\BlockStatement|null */ protected function parseFinally() { if ($this->scanner->consume("finally")) { if ($block = $this->parseBlock()) { return $block; } $this->error(); } return null; } /** * Parses a continue statement * * @return Node\ContinueStatement|null */ protected function parseContinueStatement() { if ($token = $this->scanner->consume("continue")) { $node = $this->createNode("ContinueStatement", $token); if ($this->scanner->noLineTerminators() && ($label = $this->parseIdentifier(static::$labelledIdentifier)) ) { $node->setLabel($label); $this->assertEndOfStatement(); } else { $this->scanner->consume(";"); } return $this->completeNode($node); } return null; } /** * Parses a break statement * * @return Node\BreakStatement|null */ protected function parseBreakStatement() { if ($token = $this->scanner->consume("break")) { $node = $this->createNode("BreakStatement", $token); if ($this->scanner->noLineTerminators() && ($label = $this->parseIdentifier(static::$labelledIdentifier))) { $node->setLabel($label); $this->assertEndOfStatement(); } else { $this->scanner->consume(";"); } return $this->completeNode($node); } return null; } /** * Parses a return statement * * @return Node\ReturnStatement|null */ protected function parseReturnStatement() { if ($token = $this->scanner->consume("return")) { $node = $this->createNode("ReturnStatement", $token); if ($this->scanner->noLineTerminators()) { $argument = $this->isolateContext( array("allowIn" => true), "parseExpression" ); if ($argument) { $node->setArgument($argument); } } $this->assertEndOfStatement(); return $this->completeNode($node); } return null; } /** * Parses a labelled statement * * @return Node\LabeledStatement|null */ protected function parseLabelledStatement() { if ($label = $this->parseIdentifier(static::$labelledIdentifier, ":")) { $this->scanner->consume(":"); if (($body = $this->parseStatement()) || ($body = $this->parseFunctionOrGeneratorDeclaration( false, false )) ) { //Labelled functions are not allowed in strict mode if ($body instanceof Node\FunctionDeclaration && $this->scanner->getStrictMode()) { $this->error( "Labelled functions are not allowed in strict mode" ); } $node = $this->createNode("LabeledStatement", $label); $node->setLabel($label); $node->setBody($body); return $this->completeNode($node); } $this->error(); } return null; } /** * Parses a throw statement * * @return Node\ThrowStatement|null */ protected function parseThrowStatement() { if ($token = $this->scanner->consume("throw")) { if ($this->scanner->noLineTerminators() && ($argument = $this->isolateContext( array("allowIn" => true), "parseExpression" )) ) { $this->assertEndOfStatement(); $node = $this->createNode("ThrowStatement", $token); $node->setArgument($argument); return $this->completeNode($node); } $this->error(); } return null; } /** * Parses a with statement * * @return Node\WithStatement|null */ protected function parseWithStatement() { if ($token = $this->scanner->consume("with")) { if ($this->scanner->consume("(") && ($object = $this->isolateContext( array("allowIn" => true), "parseExpression" )) && $this->scanner->consume(")") && $body = $this->parseStatement() ) { $node = $this->createNode("WithStatement", $token); $node->setObject($object); $node->setBody($body); return $this->completeNode($node); } $this->error(); } return null; } /** * Parses a switch statement * * @return Node\SwitchStatement|null */ protected function parseSwitchStatement() { if ($token = $this->scanner->consume("switch")) { if ($this->scanner->consume("(") && ($discriminant = $this->isolateContext( array("allowIn" => true), "parseExpression" )) && $this->scanner->consume(")") && ($cases = $this->parseCaseBlock()) !== null ) { $node = $this->createNode("SwitchStatement", $token); $node->setDiscriminant($discriminant); $node->setCases($cases); return $this->completeNode($node); } $this->error(); } return null; } /** * Parses the content of a switch statement * * @return Node\SwitchCase[]|null */ protected function parseCaseBlock() { if ($this->scanner->consume("{")) { $parsedCasesAll = array( $this->parseCaseClauses(), $this->parseDefaultClause(), $this->parseCaseClauses() ); if ($this->scanner->consume("}")) { $cases = array(); foreach ($parsedCasesAll as $parsedCases) { if ($parsedCases) { if (is_array($parsedCases)) { $cases = array_merge($cases, $parsedCases); } else { $cases[] = $parsedCases; } } } return $cases; } elseif ($this->parseDefaultClause()) { $this->error( "Multiple default clause in switch statement" ); } else { $this->error(); } } return null; } /** * Parses cases in a switch statement * * @return Node\SwitchCase[]|null */ protected function parseCaseClauses() { $cases = array(); while ($case = $this->parseCaseClause()) { $cases[] = $case; } return count($cases) ? $cases : null; } /** * Parses a case in a switch statement * * @return Node\SwitchCase|null */ protected function parseCaseClause() { if ($token = $this->scanner->consume("case")) { if (($test = $this->isolateContext( array("allowIn" => true), "parseExpression" )) && $this->scanner->consume(":") ) { $node = $this->createNode("SwitchCase", $token); $node->setTest($test); if ($consequent = $this->parseStatementList()) { $node->setConsequent($consequent); } return $this->completeNode($node); } $this->error(); } return null; } /** * Parses default case in a switch statement * * @return Node\SwitchCase|null */ protected function parseDefaultClause() { if ($token = $this->scanner->consume("default")) { if ($this->scanner->consume(":")) { $node = $this->createNode("SwitchCase", $token); if ($consequent = $this->parseStatementList()) { $node->setConsequent($consequent); } return $this->completeNode($node); } $this->error(); } return null; } /** * Parses an expression statement * * @return Node\ExpressionStatement|null */ protected function parseExpressionStatement() { $lookaheadTokens = array("{", "function", "class", array("let", "[")); if ($this->features->asyncAwait) { array_splice( $lookaheadTokens, 3, 0, array(array("async", true)) ); } if (!$this->scanner->isBefore($lookaheadTokens, true) && $expression = $this->isolateContext( array("allowIn" => true), "parseExpression" ) ) { $this->assertEndOfStatement(); $node = $this->createNode("ExpressionStatement", $expression); $node->setExpression($expression); return $this->completeNode($node); } return null; } /** * Parses a do-while statement * * @return Node\DoWhileStatement|null */ protected function parseDoWhileStatement() { if ($token = $this->scanner->consume("do")) { if (($body = $this->parseStatement()) && $this->scanner->consume("while") && $this->scanner->consume("(") && ($test = $this->isolateContext( array("allowIn" => true), "parseExpression" )) && $this->scanner->consume(")") ) { $node = $this->createNode("DoWhileStatement", $token); $node->setBody($body); $node->setTest($test); $node = $this->completeNode($node); $this->scanner->consume(";"); return $node; } $this->error(); } return null; } /** * Parses a while statement * * @return Node\WhileStatement|null */ protected function parseWhileStatement() { if ($token = $this->scanner->consume("while")) { if ($this->scanner->consume("(") && ($test = $this->isolateContext( array("allowIn" => true), "parseExpression" )) && $this->scanner->consume(")") && $body = $this->parseStatement() ) { $node = $this->createNode("WhileStatement", $token); $node->setTest($test); $node->setBody($body); return $this->completeNode($node); } $this->error(); } return null; } /** * Parses a for(var ...) statement * * @param Token $forToken Token that corresponds to the "for" keyword * * @return Node\Node|null */ protected function parseForVarStatement($forToken) { if (!($varToken = $this->scanner->consume("var"))) { return null; } $state = $this->scanner->getState(); if (($decl = $this->isolateContext( array("allowIn" => false), "parseVariableDeclarationList" )) && ($varEndPosition = $this->scanner->getPosition()) && $this->scanner->consume(";") ) { $init = $this->createNode( "VariableDeclaration", $varToken ); $init->setKind($init::KIND_VAR); $init->setDeclarations($decl); $init = $this->completeNode($init, $varEndPosition); $test = $this->isolateContext( array("allowIn" => true), "parseExpression" ); if ($this->scanner->consume(";")) { $update = $this->isolateContext( array("allowIn" => true), "parseExpression" ); if ($this->scanner->consume(")") && $body = $this->parseStatement() ) { $node = $this->createNode("ForStatement", $forToken); $node->setInit($init); $node->setTest($test); $node->setUpdate($update); $node->setBody($body); return $this->completeNode($node); } } } else { $this->scanner->setState($state); if ($decl = $this->parseForBinding()) { $init = null; if ($this->features->forInInitializer && $decl->getId()->getType() === "Identifier") { $init = $this->parseInitializer(); } if ($init) { $decl->setInit($init); $decl->location->end = $init->location->end; } $left = $this->createNode("VariableDeclaration", $varToken); $left->setKind($left::KIND_VAR); $left->setDeclarations(array($decl)); $left = $this->completeNode($left); if ($this->scanner->consume("in")) { if ($init && $this->scanner->getStrictMode()) { $this->error( "For-in variable initializer not allowed in " . "strict mode" ); } if (($right = $this->isolateContext( array("allowIn" => true), "parseExpression" )) && $this->scanner->consume(")") && $body = $this->parseStatement() ) { $node = $this->createNode( "ForInStatement", $forToken ); $node->setLeft($left); $node->setRight($right); $node->setBody($body); return $this->completeNode($node); } } elseif (!$init && $this->scanner->consume("of")) { if (($right = $this->isolateContext( array("allowIn" => true), "parseAssignmentExpression" )) && $this->scanner->consume(")") && $body = $this->parseStatement() ) { $node = $this->createNode( "ForOfStatement", $forToken ); $node->setLeft($left); $node->setRight($right); $node->setBody($body); return $this->completeNode($node); } } } } $this->error(); } /** * Parses a for(let ...) or for(const ...) statement * * @param Token $forToken Token that corresponds to the "for" keyword * * @return Node\Node|null */ protected function parseForLetConstStatement($forToken) { $afterBracketState = $this->scanner->getState(); if (!($init = $this->parseForDeclaration())) { return null; } if ($this->scanner->consume("in")) { if (($right = $this->isolateContext( array("allowIn" => true), "parseExpression" )) && $this->scanner->consume(")") && $body = $this->parseStatement() ) { $node = $this->createNode("ForInStatement", $forToken); $node->setLeft($init); $node->setRight($right); $node->setBody($body); return $this->completeNode($node); } } elseif ($this->scanner->consume("of")) { if (($right = $this->isolateContext( array("allowIn" => true), "parseAssignmentExpression" )) && $this->scanner->consume(")") && $body = $this->parseStatement() ) { $node = $this->createNode("ForOfStatement", $forToken); $node->setLeft($init); $node->setRight($right); $node->setBody($body); return $this->completeNode($node); } } else { $this->scanner->setState($afterBracketState); if ($init = $this->isolateContext( array("allowIn" => false), "parseLexicalDeclaration" ) ) { $test = $this->isolateContext( array("allowIn" => true), "parseExpression" ); if ($this->scanner->consume(";")) { $update = $this->isolateContext( array("allowIn" => true), "parseExpression" ); if ($this->scanner->consume(")") && $body = $this->parseStatement() ) { $node = $this->createNode("ForStatement", $forToken); $node->setInit($init); $node->setTest($test); $node->setUpdate($update); $node->setBody($body); return $this->completeNode($node); } } } } $this->error(); } /** * Parses a for statement that does not start with var, let or const * * @param Token $forToken Token that corresponds to the "for" keyword * @param bool $hasAwait True if "for" is followed by "await" * * @return Node\Node|null */ protected function parseForNotVarLetConstStatement($forToken, $hasAwait) { $state = $this->scanner->getState(); $notBeforeSB = !$this->scanner->isBefore(array(array("let", "[")), true); if ($notBeforeSB && (($init = $this->isolateContext( array("allowIn" => false), "parseExpression" )) || true) && $this->scanner->consume(";") ) { $test = $this->isolateContext( array("allowIn" => true), "parseExpression" ); if ($this->scanner->consume(";")) { $update = $this->isolateContext( array("allowIn" => true), "parseExpression" ); if ($this->scanner->consume(")") && $body = $this->parseStatement() ) { $node = $this->createNode("ForStatement", $forToken); $node->setInit($init); $node->setTest($test); $node->setUpdate($update); $node->setBody($body); return $this->completeNode($node); } } } else { $this->scanner->setState($state); $beforeLetAsyncOf = $this->scanner->isBefore(array("let", array("async", "of")), true); $left = $this->parseLeftHandSideExpression(); if ($left && $left->getType() === "ChainExpression") { $this->error( "Optional chain can't appear in left-hand side" ); } $left = $this->expressionToPattern($left); if ($notBeforeSB && $left && $this->scanner->consume("in")) { if (($right = $this->isolateContext( array("allowIn" => true), "parseExpression" )) && $this->scanner->consume(")") && $body = $this->parseStatement() ) { $node = $this->createNode("ForInStatement", $forToken); $node->setLeft($left); $node->setRight($right); $node->setBody($body); return $this->completeNode($node); } } elseif (($hasAwait || !$beforeLetAsyncOf) && $left && $this->scanner->consume("of") ) { if (($right = $this->isolateContext( array("allowIn" => true), "parseAssignmentExpression" )) && $this->scanner->consume(")") && $body = $this->parseStatement() ) { $node = $this->createNode("ForOfStatement", $forToken); $node->setLeft($left); $node->setRight($right); $node->setBody($body); return $this->completeNode($node); } } } $this->error(); } /** * Parses do-while, while, for, for-in and for-of statements * * @return Node\Node|null */ protected function parseIterationStatement() { if ($node = $this->parseWhileStatement()) { return $node; } elseif ($node = $this->parseDoWhileStatement()) { return $node; } elseif ($startForToken = $this->scanner->consume("for")) { $forAwait = false; if ($this->features->asyncIterationGenerators && $this->context->allowAwait && $this->scanner->consume("await") ) { $forAwait = true; } if ($this->scanner->consume("(") && ( ($node = $this->parseForVarStatement($startForToken)) || ($node = $this->parseForLetConstStatement($startForToken)) || ($node = $this->parseForNotVarLetConstStatement($startForToken, $forAwait))) ) { if ($forAwait) { if (!$node instanceof Node\ForOfStatement) { $this->error( "Async iteration is allowed only with for-of statements", $startForToken->location->start ); } $node->setAwait(true); } return $node; } $this->error(); } return null; } /** * Checks if an async function can start from the current position. Returns * the async token or null if not found * * @param bool $checkFn If false it won't check if the async keyword is * followed by "function" * * @return Token */ protected function checkAsyncFunctionStart($checkFn = true) { return ($asyncToken = $this->scanner->getToken()) && $asyncToken->value === "async" && ( !$checkFn || (($nextToken = $this->scanner->getNextToken()) && $nextToken->value === "function") ) && $this->scanner->noLineTerminators(true) ? $asyncToken : null; } /** * Parses function or generator declaration * * @param bool $default Default mode * @param bool $allowGenerator True to allow parsing of generators * * @return Node\FunctionDeclaration|null */ protected function parseFunctionOrGeneratorDeclaration( $default = false, $allowGenerator = true ) { $async = null; if ($this->features->asyncAwait && ($async = $this->checkAsyncFunctionStart())) { $this->scanner->consumeToken(); if (!$this->features->asyncIterationGenerators) { $allowGenerator = false; } } if ($token = $this->scanner->consume("function")) { $generator = $allowGenerator && $this->scanner->consume("*"); $id = $this->parseIdentifier(static::$bindingIdentifier); if ($generator || $async) { $flags = array(null); if ($generator) { $flags["allowYield"] = true; } if ($async) { $flags["allowAwait"] = true; } } else { $flags = null; } if (($default || $id) && $this->scanner->consume("(") && ($params = $this->isolateContext( $flags, "parseFormalParameterList" )) !== null && $this->scanner->consume(")") && ($tokenBodyStart = $this->scanner->consume("{")) && (($body = $this->isolateContext( $flags, "parseFunctionBody" )) || true) && $this->scanner->consume("}") ) { $body->location->start = $tokenBodyStart->location->start; $body->location->end = $this->scanner->getPosition(); $node = $this->createNode( "FunctionDeclaration", $async ?: $token ); if ($id) { $node->setId($id); } $node->setParams($params); $node->setBody($body); $node->setGenerator($generator); $node->setAsync((bool) $async); return $this->completeNode($node); } $this->error(); } return null; } /** * Parses function or generator expression * * @return Node\FunctionExpression|null */ protected function parseFunctionOrGeneratorExpression() { $allowGenerator = true; $async = false; if ($this->features->asyncAwait && ($async = $this->checkAsyncFunctionStart())) { $this->scanner->consumeToken(); if (!$this->features->asyncIterationGenerators) { $allowGenerator = false; } } if ($token = $this->scanner->consume("function")) { $generator = $allowGenerator && $this->scanner->consume("*"); if ($generator || $async) { $flags = array(null); if ($generator) { $flags["allowYield"] = true; } if ($async) { $flags["allowAwait"] = true; } } else { $flags = null; } $id = $this->isolateContext( $flags, "parseIdentifier", array(static::$bindingIdentifier) ); if ($this->scanner->consume("(") && ($params = $this->isolateContext( $flags, "parseFormalParameterList" )) !== null && $this->scanner->consume(")") && ($tokenBodyStart = $this->scanner->consume("{")) && (($body = $this->isolateContext( $flags, "parseFunctionBody" )) || true) && $this->scanner->consume("}") ) { $body->location->start = $tokenBodyStart->location->start; $body->location->end = $this->scanner->getPosition(); $node = $this->createNode( "FunctionExpression", $async ?: $token ); $node->setId($id); $node->setParams($params); $node->setBody($body); $node->setGenerator($generator); $node->setAsync((bool) $async); return $this->completeNode($node); } $this->error(); } return null; } /** * Parses yield statement * * @return Node\YieldExpression|null */ protected function parseYieldExpression() { if ($token = $this->scanner->consume("yield")) { $node = $this->createNode("YieldExpression", $token); if ($this->scanner->noLineTerminators()) { $delegate = $this->scanner->consume("*"); $argument = $this->isolateContext( array("allowYield" => true), "parseAssignmentExpression" ); if ($argument) { $node->setArgument($argument); $node->setDelegate($delegate); } } return $this->completeNode($node); } return null; } /** * Parses a parameter list * * @return Node\Node[]|null */ protected function parseFormalParameterList() { $hasComma = false; $list = array(); while ( ($param = $this->parseBindingRestElement()) || $param = $this->parseBindingElement() ) { $hasComma = false; $list[] = $param; if ($param->getType() === "RestElement") { break; } elseif ($this->scanner->consume(",")) { $hasComma = true; } else { break; } } //Check if it ends with a comma, then check if the comma is a trailing comma, //in that case throw an error if the trailing comma feature is not enabled if ($hasComma && !$this->features->trailingCommaFunctionCallDeclaration) { $token = $this->scanner->getToken(); if ($token && $token->value === ")") { $this->error(); } } return $list; } /** * Parses a function body * * @return Node\BlockStatement[]|null */ protected function parseFunctionBody() { $body = $this->isolateContext( array("allowReturn" => true), "parseStatementList", array(true) ); $node = $this->createNode( "BlockStatement", $body ?: $this->scanner->getPosition() ); if ($body) { $node->setBody($body); } return $this->completeNode($node); } /** * Parses a class declaration * * @param bool $default Default mode * * @return Node\ClassDeclaration|null */ protected function parseClassDeclaration($default = false) { if ($token = $this->scanner->consume("class")) { //Class declarations are strict mode by default $prevStrict = $this->scanner->getStrictMode(); $this->scanner->setStrictMode(true); $id = $this->parseIdentifier(static::$bindingIdentifier); if (($default || $id) && $tail = $this->parseClassTail() ) { $node = $this->createNode("ClassDeclaration", $token); if ($id) { $node->setId($id); } if ($tail[0]) { $node->setSuperClass($tail[0]); } $node->setBody($tail[1]); $this->scanner->setStrictMode($prevStrict); return $this->completeNode($node); } $this->error(); } return null; } /** * Parses a class expression * * @return Node\ClassExpression|null */ protected function parseClassExpression() { if ($token = $this->scanner->consume("class")) { //Class expressions are strict mode by default $prevStrict = $this->scanner->getStrictMode(); $this->scanner->setStrictMode(true); $id = $this->parseIdentifier(static::$bindingIdentifier); $tail = $this->parseClassTail(); $node = $this->createNode("ClassExpression", $token); if ($id) { $node->setId($id); } if ($tail[0]) { $node->setSuperClass($tail[0]); } $node->setBody($tail[1]); $this->scanner->setStrictMode($prevStrict); return $this->completeNode($node); } return null; } /** * Parses the code that comes after the class keyword and class name. The * return value is an array where the first item is the extended class, if * any, and the second value is the class body * * @return array|null */ protected function parseClassTail() { $heritage = $this->parseClassHeritage(); if ($token = $this->scanner->consume("{")) { $body = $this->parseClassBody(); if ($this->scanner->consume("}")) { $body->location->start = $token->location->start; $body->location->end = $this->scanner->getPosition(); return array($heritage, $body); } } $this->error(); } /** * Parses the class extends part * * @return Node\Node|null */ protected function parseClassHeritage() { if ($this->scanner->consume("extends")) { if ($superClass = $this->parseLeftHandSideExpression()) { return $superClass; } $this->error(); } return null; } /** * Parses the class body * * @return Node\ClassBody|null */ protected function parseClassBody() { $body = $this->parseClassElementList(); $node = $this->createNode( "ClassBody", $body ?: $this->scanner->getPosition() ); if ($body) { $node->setBody($body); } return $this->completeNode($node); } /** * Parses class elements list * * @return Node\MethodDefinition[]|null */ protected function parseClassElementList() { $items = array(); while ($item = $this->parseClassElement()) { if ($item !== true) { $items[] = $item; } } return count($items) ? $items : null; } /** * Parses a class elements * * @return Node\MethodDefinition|Node\PropertyDefinition|Node\StaticBlock|bool|null */ protected function parseClassElement() { if ($this->scanner->consume(";")) { return true; } if ($this->features->classStaticBlock && $this->scanner->isBefore(array(array("static", "{")), true) ) { return $this->parseClassStaticBlock(); } $staticToken = null; $state = $this->scanner->getState(); //This code handles the case where "static" is the method name if (!$this->scanner->isBefore(array(array("static", "(")), true)) { $staticToken = $this->scanner->consume("static"); } if ($def = $this->parseMethodDefinition()) { if ($staticToken) { $def->setStatic(true); $def->location->start = $staticToken->location->start; } return $def; } else { if ($this->features->classFields) { if ($field = $this->parseFieldDefinition()) { if ($staticToken) { $field->setStatic(true); $field->location->start = $staticToken->location->start; } } elseif ($staticToken) { //Handle the case when "static" is the field name $this->scanner->setState($state); $field = $this->parseFieldDefinition(); } return $field; } elseif ($staticToken) { $this->error(); } } return null; } /** * Parses a let or const declaration * * @return Node\VariableDeclaration|null */ protected function parseLexicalDeclaration() { $state = $this->scanner->getState(); if ($token = $this->scanner->consumeOneOf(array("let", "const"))) { $declarations = $this->charSeparatedListOf( "parseVariableDeclaration" ); if ($declarations) { $this->assertEndOfStatement(); $node = $this->createNode("VariableDeclaration", $token); $node->setKind($token->value); $node->setDeclarations($declarations); return $this->completeNode($node); } // "let" can be used as variable name in non-strict mode if ($this->scanner->getStrictMode() || $token->value !== "let") { $this->error(); } else { $this->scanner->setState($state); } } return null; } /** * Parses a var declaration * * @return Node\VariableDeclaration|null */ protected function parseVariableStatement() { if ($token = $this->scanner->consume("var")) { $declarations = $this->isolateContext( array("allowIn" => true), "parseVariableDeclarationList" ); if ($declarations) { $this->assertEndOfStatement(); $node = $this->createNode("VariableDeclaration", $token); $node->setKind($node::KIND_VAR); $node->setDeclarations($declarations); return $this->completeNode($node); } $this->error(); } return null; } /** * Parses an variable declarations * * @return Node\VariableDeclarator[]|null */ protected function parseVariableDeclarationList() { return $this->charSeparatedListOf( "parseVariableDeclaration" ); } /** * Parses a variable declarations * * @return Node\VariableDeclarator|null */ protected function parseVariableDeclaration() { if ($id = $this->parseIdentifier(static::$bindingIdentifier)) { $node = $this->createNode("VariableDeclarator", $id); $node->setId($id); if ($init = $this->parseInitializer()) { $node->setInit($init); } return $this->completeNode($node); } elseif ($id = $this->parseBindingPattern()) { if ($init = $this->parseInitializer()) { $node = $this->createNode("VariableDeclarator", $id); $node->setId($id); $node->setInit($init); return $this->completeNode($node); } } return null; } /** * Parses a let or const declaration in a for statement definition * * @return Node\VariableDeclaration|null */ protected function parseForDeclaration() { $state = $this->scanner->getState(); if ($token = $this->scanner->consumeOneOf(array("let", "const"))) { if ($declaration = $this->parseForBinding()) { $node = $this->createNode("VariableDeclaration", $token); $node->setKind($token->value); $node->setDeclarations(array($declaration)); return $this->completeNode($node); } // "let" can be used as variable name in non-strict mode if ($this->scanner->getStrictMode() || $token->value !== "let") { $this->error(); } else { $this->scanner->setState($state); } } return null; } /** * Parses a binding pattern or an identifier that come after a const or let * declaration in a for statement definition * * @return Node\VariableDeclarator|null */ protected function parseForBinding() { if (($id = $this->parseIdentifier(static::$bindingIdentifier)) || ($id = $this->parseBindingPattern()) ) { $node = $this->createNode("VariableDeclarator", $id); $node->setId($id); return $this->completeNode($node); } return null; } /** * Parses a module item * * @return Node\Node|null */ protected function parseModuleItem() { if ($item = $this->parseImportDeclaration()) { return $item; } elseif ($item = $this->parseExportDeclaration()) { return $item; } elseif ( $item = $this->isolateContext( array( "allowYield" => false, "allowReturn" => false, "allowAwait" => $this->features->topLevelAwait ), "parseStatementListItem" ) ) { return $item; } return null; } /** * Parses the from keyword and the following string in import and export * declarations * * @return Node\StringLiteral|null */ protected function parseFromClause() { if ($this->scanner->consume("from")) { if ($spec = $this->parseStringLiteral()) { return $spec; } $this->error(); } return null; } /** * Parses an export declaration * * @return Node\ModuleDeclaration|null */ protected function parseExportDeclaration() { if ($token = $this->scanner->consume("export")) { if ($this->scanner->consume("*")) { $exported = null; if ($this->features->exportedNameInExportAll && $this->scanner->consume("as")) { $exported = $this->parseModuleExportName(); if (!$exported) { $this->error(); } } if ($source = $this->parseFromClause()) { $this->assertEndOfStatement(); $node = $this->createNode("ExportAllDeclaration", $token); $node->setSource($source); $node->setExported($exported); return $this->completeNode($node); } } elseif ($this->scanner->consume("default")) { $lookaheadTokens = array("function", "class"); if ($this->features->asyncAwait) { $lookaheadTokens[] = array("async", true); } if (($declaration = $this->isolateContext( array("allowAwait" => $this->features->topLevelAwait), "parseFunctionOrGeneratorDeclaration", array(true) )) || ($declaration = $this->isolateContext( array("allowAwait" => $this->features->topLevelAwait), "parseClassDeclaration", array(true) )) ) { $node = $this->createNode("ExportDefaultDeclaration", $token); $node->setDeclaration($declaration); return $this->completeNode($node); } elseif (!$this->scanner->isBefore( $lookaheadTokens, $this->features->asyncAwait ) && ($declaration = $this->isolateContext( array("allowIn" => true, "allowAwait" => $this->features->topLevelAwait), "parseAssignmentExpression" )) ) { $this->assertEndOfStatement(); $node = $this->createNode( "ExportDefaultDeclaration", $token ); $node->setDeclaration($declaration); return $this->completeNode($node); } } elseif (($specifiers = $this->parseExportClause()) !== null) { $node = $this->createNode("ExportNamedDeclaration", $token); $node->setSpecifiers($specifiers); if ($source = $this->parseFromClause()) { $node->setSource($source); } $this->assertEndOfStatement(); return $this->completeNode($node); } elseif ( ($dec = $this->isolateContext( array("allowAwait" => $this->features->topLevelAwait), "parseVariableStatement" )) || $dec = $this->isolateContext( array("allowAwait" => $this->features->topLevelAwait), "parseDeclaration" ) ) { $node = $this->createNode("ExportNamedDeclaration", $token); $node->setDeclaration($dec); return $this->completeNode($node); } $this->error(); } return null; } /** * Parses an export clause * * @return Node\ExportSpecifier[]|null */ protected function parseExportClause() { if ($this->scanner->consume("{")) { $list = array(); while ($spec = $this->parseExportSpecifier()) { $list[] = $spec; if (!$this->scanner->consume(",")) { break; } } if ($this->scanner->consume("}")) { return $list; } $this->error(); } return null; } /** * Parses an export specifier * * @return Node\ExportSpecifier|null */ protected function parseExportSpecifier() { if ($local = $this->parseModuleExportName()) { $node = $this->createNode("ExportSpecifier", $local); $node->setLocal($local); if ($this->scanner->consume("as")) { if ($exported = $this->parseModuleExportName()) { $node->setExported($exported); return $this->completeNode($node); } $this->error(); } else { $node->setExported($local); return $this->completeNode($node); } } return null; } /** * Parses an export name * * @return Node\Identifier|Node\StringLiteral|null */ protected function parseModuleExportName() { if ($name = $this->parseIdentifier(static::$identifierName)) { return $name; } elseif ($this->features->arbitraryModuleNSNames && ($name = $this->parseStringLiteral()) ) { return $name; } return null; } /** * Parses an import declaration * * @return Node\ModuleDeclaration|null */ protected function parseImportDeclaration() { //Delay parsing of dynamic import so that it is handled //by the relative method if ($this->features->dynamicImport && $this->scanner->isBefore(array(array("import", "(")), true)) { return null; } //Delay parsing of import.meta so that it is handled //by the relative method if ($this->features->importMeta && $this->scanner->isBefore(array(array("import", ".")), true)) { return null; } if ($token = $this->scanner->consume("import")) { if ($source = $this->parseStringLiteral()) { $this->assertEndOfStatement(); $node = $this->createNode("ImportDeclaration", $token); $node->setSource($source); return $this->completeNode($node); } elseif (($specifiers = $this->parseImportClause()) !== null && $source = $this->parseFromClause() ) { $this->assertEndOfStatement(); $node = $this->createNode("ImportDeclaration", $token); $node->setSpecifiers($specifiers); $node->setSource($source); return $this->completeNode($node); } $this->error(); } return null; } /** * Parses an import clause * * @return array|null */ protected function parseImportClause() { if ($spec = $this->parseNameSpaceImport()) { return array($spec); } elseif (($specs = $this->parseNamedImports()) !== null) { return $specs; } elseif ($spec = $this->parseIdentifier(static::$importedBinding)) { $node = $this->createNode("ImportDefaultSpecifier", $spec); $node->setLocal($spec); $ret = array($this->completeNode($node)); if ($this->scanner->consume(",")) { if ($spec = $this->parseNameSpaceImport()) { $ret[] = $spec; return $ret; } elseif (($specs = $this->parseNamedImports()) !== null) { return array_merge($ret, $specs); } $this->error(); } else { return $ret; } } return null; } /** * Parses a namespace import * * @return Node\ImportNamespaceSpecifier|null */ protected function parseNameSpaceImport() { if ($token = $this->scanner->consume("*")) { if ($this->scanner->consume("as") && $local = $this->parseIdentifier(static::$identifierReference) ) { $node = $this->createNode("ImportNamespaceSpecifier", $token); $node->setLocal($local); return $this->completeNode($node); } $this->error(); } return null; } /** * Parses a named imports * * @return Node\ImportSpecifier[]|null */ protected function parseNamedImports() { if ($this->scanner->consume("{")) { $list = array(); while ($spec = $this->parseImportSpecifier()) { $list[] = $spec; if (!$this->scanner->consume(",")) { break; } } if ($this->scanner->consume("}")) { return $list; } $this->error(); } return null; } /** * Parses an import specifier * * @return Node\ImportSpecifier|null */ protected function parseImportSpecifier() { $requiredAs = false; $imported = $this->parseIdentifier(static::$importedBinding); if (!$imported) { $imported = $this->parseModuleExportName(); if (!$imported) { return null; } $requiredAs = true; } $node = $this->createNode("ImportSpecifier", $imported); $node->setImported($imported); if ($this->scanner->consume("as")) { if (!($local = $this->parseIdentifier(static::$importedBinding))) { $this->error(); } $node->setLocal($local); } elseif ($requiredAs) { $this->error(); } else { $node->setLocal($imported); } return $this->completeNode($node); } /** * Parses a binding pattern * * @return Node\ArrayPattern|Node\ObjectPattern|null */ protected function parseBindingPattern() { if ($pattern = $this->parseObjectBindingPattern()) { return $pattern; } elseif ($pattern = $this->parseArrayBindingPattern()) { return $pattern; } return null; } /** * Parses an elisions sequence. It returns the number of elisions or null * if no elision has been found * * @return int */ protected function parseElision() { $count = 0; while ($this->scanner->consume(",")) { $count ++; } return $count ?: null; } /** * Parses an array binding pattern * * @return Node\ArrayPattern|null */ protected function parseArrayBindingPattern() { if ($token = $this->scanner->consume("[")) { $elements = array(); while (true) { if ($elision = $this->parseElision()) { $elements = array_merge( $elements, array_fill(0, $elision, null) ); } if ($element = $this->parseBindingElement()) { $elements[] = $element; if (!$this->scanner->consume(",")) { break; } } elseif ($rest = $this->parseBindingRestElement()) { $elements[] = $rest; break; } else { break; } } if ($this->scanner->consume("]")) { $node = $this->createNode("ArrayPattern", $token); $node->setElements($elements); return $this->completeNode($node); } } return null; } /** * Parses a rest element * * @return Node\RestElement|null */ protected function parseBindingRestElement() { if ($token = $this->scanner->consume("...")) { if (($argument = $this->parseIdentifier(static::$bindingIdentifier)) || ($argument = $this->parseBindingPattern())) { $node = $this->createNode("RestElement", $token); $node->setArgument($argument); return $this->completeNode($node); } $this->error(); } return null; } /** * Parses a binding element * * @return Node\AssignmentPattern|Node\Identifier|null */ protected function parseBindingElement() { if ($el = $this->parseSingleNameBinding()) { return $el; } elseif ($left = $this->parseBindingPattern()) { $right = $this->isolateContext( array("allowIn" => true), "parseInitializer" ); if ($right) { $node = $this->createNode("AssignmentPattern", $left); $node->setLeft($left); $node->setRight($right); return $this->completeNode($node); } else { return $left; } } return null; } /** * Parses single name binding * * @return Node\AssignmentPattern|Node\Identifier|null */ protected function parseSingleNameBinding() { if ($left = $this->parseIdentifier(static::$bindingIdentifier)) { $right = $this->isolateContext( array("allowIn" => true), "parseInitializer" ); if ($right) { $node = $this->createNode("AssignmentPattern", $left); $node->setLeft($left); $node->setRight($right); return $this->completeNode($node); } else { return $left; } } return null; } /** * Parses a property name. The returned value is an array where there first * element is the property name and the second element is a boolean * indicating if it's a computed property * * @return array|null */ protected function parsePropertyName() { if ($token = $this->scanner->consume("[")) { if (($name = $this->isolateContext( array("allowIn" => true), "parseAssignmentExpression" )) && $this->scanner->consume("]") ) { return array($name, true, $token); } $this->error(); } elseif ($name = $this->parseIdentifier(static::$identifierName)) { return array($name, false); } elseif ($name = $this->parseStringLiteral()) { return array($name, false); } elseif ($name = $this->parseNumericLiteral()) { return array($name, false); } return null; } /** * Parses a property name. The returned value is an array where there first * element is the property name and the second element is a boolean * indicating if it's a computed property * * @return array|null */ protected function parseClassElementName() { if ( $this->features->privateMethodsAndFields && ($name = $this->parsePrivateIdentifier()) ) { return array($name, false); } return $this->parsePropertyName(); } /** * Parses a field definition * * @return Node\StaticBlock */ protected function parseClassStaticBlock() { $staticToken = $this->scanner->consume("static"); $this->scanner->consume("{"); $statements = $this->isolateContext( array("allowAwait" => true), "parseStatementList" ); if ($this->scanner->consume("}")) { $node = $this->createNode("StaticBlock", $staticToken); if ($statements) { $node->setBody($statements); } return $this->completeNode($node); } $this->error(); } /** * Parses a field definition * * @return Node\PropertyDefinition|null */ protected function parseFieldDefinition() { $state = $this->scanner->getState(); if ($prop = $this->parseClassElementName()) { $value = $this->isolateContext( array("allowIn" => true), "parseInitializer" ); $this->assertEndOfStatement(); $node = $this->createNode("PropertyDefinition", $prop); $node->setKey($prop[0]); if ($value) { $node->setValue($value); } $node->setComputed($prop[1]); return $this->completeNode($node); } $this->scanner->setState($state); return null; } /** * Parses a method definition * * @return Node\MethodDefinition|null */ protected function parseMethodDefinition() { $state = $this->scanner->getState(); $generator = $error = $async = false; $position = null; $kind = Node\MethodDefinition::KIND_METHOD; if ($token = $this->scanner->consume("get")) { $position = $token; $kind = Node\MethodDefinition::KIND_GET; } elseif ($token = $this->scanner->consume("set")) { $position = $token; $kind = Node\MethodDefinition::KIND_SET; } elseif ($token = $this->scanner->consume("*")) { $position = $token; $error = true; $generator = true; } elseif ($this->features->asyncAwait && ($token = $this->checkAsyncFunctionStart(false))) { $this->scanner->consumeToken(); $position = $token; $error = true; $async = true; if ($this->features->asyncIterationGenerators && ($this->scanner->consume("*"))) { $generator = true; } } //Handle the case where get, set and async are methods name and not the //definition of a getter/setter or the start of an async function if (($kind !== Node\MethodDefinition::KIND_METHOD || ($async && !$generator)) && $this->scanner->consume("(") ) { $this->scanner->setState($state); $kind = Node\MethodDefinition::KIND_METHOD; $error = $async = false; } if ($prop = $this->parseClassElementName()) { if (!$position) { $position = isset($prop[2]) ? $prop[2] : $prop[0]; } if ($tokenFn = $this->scanner->consume("(")) { if ($generator || $async) { $flags = array(null); if ($generator) { $flags["allowYield"] = true; } if ($async) { $flags["allowAwait"] = true; } } else { $flags = null; } $error = true; $params = array(); if ($kind === Node\MethodDefinition::KIND_SET) { $params = $this->isolateContext( null, "parseBindingElement" ); if ($params) { $params = array($params); } } elseif ($kind === Node\MethodDefinition::KIND_METHOD) { $params = $this->isolateContext( $flags, "parseFormalParameterList" ); } if ($params !== null && $this->scanner->consume(")") && ($tokenBodyStart = $this->scanner->consume("{")) && (($body = $this->isolateContext( $flags, "parseFunctionBody" )) || true) && $this->scanner->consume("}") ) { if ($prop[0] instanceof Node\Identifier && $prop[0]->getName() === "constructor" ) { $kind = Node\MethodDefinition::KIND_CONSTRUCTOR; } $body->location->start = $tokenBodyStart->location->start; $body->location->end = $this->scanner->getPosition(); $nodeFn = $this->createNode("FunctionExpression", $tokenFn); $nodeFn->setParams($params); $nodeFn->setBody($body); $nodeFn->setGenerator($generator); $nodeFn->setAsync($async); $node = $this->createNode("MethodDefinition", $position); $node->setKey($prop[0]); $node->setValue($this->completeNode($nodeFn)); $node->setKind($kind); $node->setComputed($prop[1]); return $this->completeNode($node); } } } //Handle the case where "async" is a class field name elseif ($this->features->classFields && $async && !$generator) { $this->scanner->setState($state); $error = $async = false; } if ($error) { $this->error(); } else { $this->scanner->setState($state); } return null; } /** * Parses parameters in an arrow function. If the parameters are wrapped in * round brackets, the returned value is an array where the first element * is the parameters list and the second element is the open round brackets, * this is needed to know the start position * * @return Node\Identifier|array|null */ protected function parseArrowParameters() { if ($param = $this->parseIdentifier(static::$bindingIdentifier, "=>")) { return $param; } elseif ($token = $this->scanner->consume("(")) { $params = $this->parseFormalParameterList(); if ($params !== null && $this->scanner->consume(")")) { return array($params, $token); } } return null; } /** * Parses the body of an arrow function. The returned value is an array * where the first element is the function body and the second element is * a boolean indicating if the body is wrapped in curly braces * * @param bool $async Async body mode * * @return array|null */ protected function parseConciseBody($async = false) { if ($token = $this->scanner->consume("{")) { if (($body = $this->isolateContext( $async ? array(null, "allowAwait" => true) : null, "parseFunctionBody" )) && $this->scanner->consume("}") ) { $body->location->start = $token->location->start; $body->location->end = $this->scanner->getPosition(); return array($body, false); } $this->error(); } elseif (!$this->scanner->isBefore(array("{")) && $body = $this->isolateContext( $this->features->asyncAwait ? array("allowYield" => false, "allowAwait" => $async) : array("allowYield" => false), "parseAssignmentExpression" ) ) { return array($body, true); } return null; } /** * Parses an arrow function * * @return Node\ArrowFunctionExpression|null */ protected function parseArrowFunction() { $state = $this->scanner->getState(); $async = false; if ($this->features->asyncAwait && ($async = $this->checkAsyncFunctionStart(false))) { $this->scanner->consumeToken(); } if (($params = $this->parseArrowParameters()) !== null) { if ($this->scanner->noLineTerminators() && $this->scanner->consume("=>") ) { if ($body = $this->parseConciseBody((bool) $async)) { if (is_array($params)) { $pos = $params[1]; $params = $params[0]; } else { $pos = $params; $params = array($params); } if ($async) { $pos = $async; } $node = $this->createNode("ArrowFunctionExpression", $pos); $node->setParams($params); $node->setBody($body[0]); $node->setExpression($body[1]); $node->setAsync((bool) $async); return $this->completeNode($node); } $this->error(); } } $this->scanner->setState($state); return null; } /** * Parses an object literal * * @return Node\ObjectExpression|null */ protected function parseObjectLiteral() { if ($token = $this->scanner->consume("{")) { $properties = array(); while ($prop = $this->parsePropertyDefinition()) { $properties[] = $prop; if (!$this->scanner->consume(",")) { break; } } if ($this->scanner->consume("}")) { $node = $this->createNode("ObjectExpression", $token); if ($properties) { $node->setProperties($properties); } return $this->completeNode($node); } $this->error(); } return null; } /** * Parses a property in an object literal * * @return Node\Property|null */ protected function parsePropertyDefinition() { if ($this->features->restSpreadProperties && ($prop = $this->parseSpreadElement())) { return $prop; } $state = $this->scanner->getState(); if (($property = $this->parsePropertyName()) && $this->scanner->consume(":") ) { $value = $this->isolateContext( array("allowIn" => true), "parseAssignmentExpression" ); if ($value) { $startPos = isset($property[2]) ? $property[2] : $property[0]; $node = $this->createNode("Property", $startPos); $node->setKey($property[0]); $node->setValue($value); $node->setComputed($property[1]); return $this->completeNode($node); } $this->error(); } $this->scanner->setState($state); if ($property = $this->parseMethodDefinition()) { $node = $this->createNode("Property", $property); $node->setKey($property->getKey()); $node->setValue($property->getValue()); $node->setComputed($property->getComputed()); $kind = $property->getKind(); if ($kind !== Node\MethodDefinition::KIND_GET && $kind !== Node\MethodDefinition::KIND_SET ) { $node->setMethod(true); $node->setKind(Node\Property::KIND_INIT); } else { $node->setKind($kind); } return $this->completeNode($node); } elseif ($key = $this->parseIdentifier(static::$identifierReference)) { $node = $this->createNode("Property", $key); $node->setShorthand(true); $node->setKey($key); $value = $this->isolateContext( array("allowIn" => true), "parseInitializer" ); $node->setValue($value ?: $key); return $this->completeNode($node); } return null; } /** * Parses an initializer * * @return Node\Node|null */ protected function parseInitializer() { if ($this->scanner->consume("=")) { if ($value = $this->parseAssignmentExpression()) { return $value; } $this->error(); } return null; } /** * Parses an object binding pattern * * @return Node\ObjectPattern|null */ protected function parseObjectBindingPattern() { $state = $this->scanner->getState(); if ($token = $this->scanner->consume("{")) { $properties = array(); while ($prop = $this->parseBindingProperty()) { $properties[] = $prop; if (!$this->scanner->consume(",")) { break; } } if ($this->features->restSpreadProperties && ($rest = $this->parseRestProperty())) { $properties[] = $rest; } if ($this->scanner->consume("}")) { $node = $this->createNode("ObjectPattern", $token); if ($properties) { $node->setProperties($properties); } return $this->completeNode($node); } $this->scanner->setState($state); } return null; } /** * Parses a rest property * * @return Node\RestElement|null */ protected function parseRestProperty() { $state = $this->scanner->getState(); if ($token = $this->scanner->consume("...")) { if ($argument = $this->parseIdentifier(static::$bindingIdentifier)) { $node = $this->createNode("RestElement", $token); $node->setArgument($argument); return $this->completeNode($node); } $this->scanner->setState($state); } return null; } /** * Parses a property in an object binding pattern * * @return Node\AssignmentProperty|null */ protected function parseBindingProperty() { $state = $this->scanner->getState(); if (($key = $this->parsePropertyName()) && $this->scanner->consume(":") ) { if ($value = $this->parseBindingElement()) { $startPos = isset($key[2]) ? $key[2] : $key[0]; $node = $this->createNode("AssignmentProperty", $startPos); $node->setKey($key[0]); $node->setComputed($key[1]); $node->setValue($value); return $this->completeNode($node); } $this->scanner->setState($state); return null; } $this->scanner->setState($state); if ($property = $this->parseSingleNameBinding()) { $node = $this->createNode("AssignmentProperty", $property); $node->setShorthand(true); if ($property instanceof Node\AssignmentPattern) { $node->setKey($property->getLeft()); } else { $node->setKey($property); } $node->setValue($property); return $this->completeNode($node); } return null; } /** * Parses an expression * * @return Node\Node|null */ protected function parseExpression() { $list = $this->charSeparatedListOf("parseAssignmentExpression"); if (!$list) { return null; } elseif (count($list) === 1) { return $list[0]; } else { $node = $this->createNode("SequenceExpression", $list); $node->setExpressions($list); return $this->completeNode($node); } } /** * Parses an assignment expression * * @return Node\Node|null */ protected function parseAssignmentExpression() { if ($expr = $this->parseArrowFunction()) { return $expr; } elseif ($this->context->allowYield && $expr = $this->parseYieldExpression()) { return $expr; } elseif ($expr = $this->parseConditionalExpression()) { $exprTypes = array( "ConditionalExpression", "LogicalExpression", "BinaryExpression", "UpdateExpression", "UnaryExpression" ); if (!in_array($expr->getType(), $exprTypes)) { $operators = $this->assignmentOperators; if ($operator = $this->scanner->consumeOneOf($operators)) { if ($expr->getType() === "ChainExpression") { $this->error( "Optional chain can't appear in left-hand side" ); } $right = $this->parseAssignmentExpression(); if ($right) { $node = $this->createNode( "AssignmentExpression", $expr ); $node->setLeft($this->expressionToPattern($expr)); $node->setOperator($operator->value); $node->setRight($right); return $this->completeNode($node); } $this->error(); } } return $expr; } return null; } /** * Parses a conditional expression * * @return Node\Node|null */ protected function parseConditionalExpression() { if ($test = $this->parseLogicalBinaryExpression()) { if ($this->scanner->consume("?")) { $consequent = $this->isolateContext( array("allowIn" => true), "parseAssignmentExpression" ); if ($consequent && $this->scanner->consume(":") && $alternate = $this->parseAssignmentExpression() ) { $node = $this->createNode("ConditionalExpression", $test); $node->setTest($test); $node->setConsequent($consequent); $node->setAlternate($alternate); return $this->completeNode($node); } $this->error(); } else { return $test; } } return null; } /** * Parses a logical or a binary expression * * @return Node\Node|null */ protected function parseLogicalBinaryExpression() { $operators = $this->logicalBinaryOperators; if (!$this->context->allowIn) { unset($operators["in"]); } if (!($exp = $this->parseUnaryExpression())) { if ( !$this->features->classFieldsPrivateIn || !$this->context->allowIn ) { return null; } //Support "#private in x" syntax $state = $this->scanner->getState(); if ( !($exp = $this->parsePrivateIdentifier()) || !$this->scanner->isBefore(array("in")) ) { if ($exp) { $this->scanner->setState($state); } return null; } } $list = array($exp); $coalescingFound = $andOrFound = false; while ($token = $this->scanner->consumeOneOf(array_keys($operators))) { $op = $token->value; // Coalescing and logical expressions can't be used together if ($op === "??") { $coalescingFound = true; } elseif ($op === "&&" || $op === "||") { $andOrFound = true; } if ($coalescingFound && $andOrFound) { $this->error( "Logical expressions must be wrapped in parentheses when " . "inside coalesce expressions" ); } if (!($exp = $this->parseUnaryExpression())) { $this->error(); } $list[] = $op; $list[] = $exp; } $len = count($list); if ($len > 1) { $maxGrade = max($operators); for ($grade = $maxGrade; $grade >= 0; $grade--) { $class = $grade < 2 ? "LogicalExpression" : "BinaryExpression"; $r2l = $grade === 10; //Exponentiation operator must be parsed right to left if ($r2l) { $i = $len - 2; $step = -2; } else { $i = 1; $step = 2; } for (; ($r2l && $i > 0) || (!$r2l && $i < $len); $i += $step) { if ($operators[$list[$i]] === $grade) { $node = $this->createNode($class, $list[$i - 1]); $node->setLeft($list[$i - 1]); $node->setOperator($list[$i]); $node->setRight($list[$i + 1]); $node = $this->completeNode( $node, $list[$i + 1]->location->end ); array_splice($list, $i - 1, 3, array($node)); if (!$r2l) { $i -= $step; } $len = count($list); } } } } return $list[0]; } /** * Parses a unary expression * * @return Node\Node|null */ protected function parseUnaryExpression() { $operators = $this->unaryOperators; if ($this->features->asyncAwait && $this->context->allowAwait) { $operators[] = "await"; } if ($expr = $this->parsePostfixExpression()) { return $expr; } elseif ($token = $this->scanner->consumeOneOf($operators)) { if ($argument = $this->parseUnaryExpression()) { $op = $token->value; //Deleting a variable without accessing its properties is a //syntax error in strict mode if ($op === "delete" && $this->scanner->getStrictMode() && $argument instanceof Node\Identifier) { $this->error( "Deleting an unqualified identifier is not allowed in strict mode" ); } if ($this->features->asyncAwait && $op === "await") { $node = $this->createNode("AwaitExpression", $token); } else { if ($op === "++" || $op === "--") { if ($argument->getType() === "ChainExpression") { $this->error( "Optional chain can't appear in left-hand side" ); } $node = $this->createNode("UpdateExpression", $token); $node->setPrefix(true); } else { $node = $this->createNode("UnaryExpression", $token); } $node->setOperator($op); } $node->setArgument($argument); return $this->completeNode($node); } $this->error(); } return null; } /** * Parses a postfix expression * * @return Node\Node|null */ protected function parsePostfixExpression() { if ($argument = $this->parseLeftHandSideExpression()) { if ($this->scanner->noLineTerminators() && $token = $this->scanner->consumeOneOf($this->postfixOperators) ) { if ($argument->getType() === "ChainExpression") { $this->error( "Optional chain can't appear in left-hand side" ); } $node = $this->createNode("UpdateExpression", $argument); $node->setOperator($token->value); $node->setArgument($argument); return $this->completeNode($node); } return $argument; } return null; } /** * Parses a left hand side expression * * @return Node\Node|null */ protected function parseLeftHandSideExpression() { $object = null; $newTokens = array(); //Parse all occurrences of "new" if ($this->scanner->isBefore(array("new"))) { while ($newToken = $this->scanner->consume("new")) { if ($this->scanner->consume(".")) { //new.target if (!$this->scanner->consume("target")) { $this->error(); } $node = $this->createNode("MetaProperty", $newToken); $node->setMeta("new"); $node->setProperty("target"); $object = $this->completeNode($node); break; } $newTokens[] = $newToken; } } elseif ($this->features->importMeta && $this->sourceType === \Peast\Peast::SOURCE_TYPE_MODULE && $this->scanner->isBefore(array(array("import", ".")), true) ) { //import.meta $importToken = $this->scanner->consume("import"); $this->scanner->consume("."); if (!$this->scanner->consume("meta")) { $this->error(); } $node = $this->createNode("MetaProperty", $importToken); $node->setMeta("import"); $node->setProperty("meta"); $object = $this->completeNode($node); } $newTokensCount = count($newTokens); if (!$object && !($object = $this->parseSuperPropertyOrCall()) && !($this->features->dynamicImport && ($object = $this->parseImportCall()) ) && !($object = $this->parsePrimaryExpression()) ) { if ($newTokensCount) { $this->error(); } return null; } $valid = true; $optionalChain = false; $properties = array(); while (true) { $optional = false; if ($opToken = $this->scanner->consumeOneOf(array("?.", "."))) { $isOptChain = $opToken->value == "?."; if ($isOptChain) { $optionalChain = $optional = true; } if ( ($this->features->privateMethodsAndFields && ($property = $this->parsePrivateIdentifier())) || ($property = $this->parseIdentifier(static::$identifierName)) ) { $valid = true; $properties[] = array( "type"=> "id", "info" => $property, "optional" => $optional ); continue; } else { $valid = false; if (!$isOptChain) { break; } } } if ($this->scanner->consume("[")) { if (($property = $this->isolateContext( array("allowIn" => true), "parseExpression" )) && $this->scanner->consume("]") ) { $valid = true; $properties[] = array( "type" => "computed", "info" => array( $property, $this->scanner->getPosition() ), "optional" => $optional ); } else { $valid = false; break; } } elseif ($property = $this->parseTemplateLiteral(true)) { if ($optionalChain) { $this->error( "Optional chain can't appear in tagged template expressions" ); } $valid = true; $properties[] = array( "type"=> "template", "info" => $property, "optional" => $optional ); } elseif (($args = $this->parseArguments()) !== null) { $valid = true; $properties[] = array( "type"=> "args", "info" => array($args, $this->scanner->getPosition()), "optional" => $optional ); } else { break; } } $propCount = count($properties); if (!$valid) { $this->error(); } elseif (!$propCount && !$newTokensCount) { return $object; } $node = null; $endPos = $object->location->end; $optionalChainStarted = false; foreach ($properties as $i => $property) { $lastNode = $node ?: $object; if ($property["optional"]) { $optionalChainStarted = true; } if ($property["type"] === "args") { if ($newTokensCount) { if ($optionalChainStarted) { $this->error( "Optional chain can't appear in new expressions" ); } $node = $this->createNode( "NewExpression", array_pop($newTokens) ); $newTokensCount--; } else { $node = $this->createNode("CallExpression", $lastNode); $node->setOptional($property["optional"]); } $node->setCallee($lastNode); $node->setArguments($property["info"][0]); $endPos = $property["info"][1]; } elseif ($property["type"] === "id") { $node = $this->createNode("MemberExpression", $lastNode); $node->setObject($lastNode); $node->setOptional($property["optional"]); $node->setProperty($property["info"]); $endPos = $property["info"]->location->end; } elseif ($property["type"] === "computed") { $node = $this->createNode("MemberExpression", $lastNode); $node->setObject($lastNode); $node->setProperty($property["info"][0]); $node->setOptional($property["optional"]); $node->setComputed(true); $endPos = $property["info"][1]; } elseif ($property["type"] === "template") { $node = $this->createNode("TaggedTemplateExpression", $object); $node->setTag($lastNode); $node->setQuasi($property["info"]); $endPos = $property["info"]->location->end; } $node = $this->completeNode($node, $endPos); } //Wrap the result in multiple NewExpression if there are "new" tokens if ($newTokensCount) { for ($i = $newTokensCount - 1; $i >= 0; $i--) { $lastNode = $node ?: $object; $node = $this->createNode("NewExpression", $newTokens[$i]); $node->setCallee($lastNode); $node = $this->completeNode($node); } } //Wrap the result in a chain expression if required if ($optionalChain) { $prevNode = $node; $node = $this->createNode("ChainExpression", $prevNode); $node->setExpression($prevNode); $node = $this->completeNode($node); } return $node; } /** * Parses a spread element * * @return Node\SpreadElement|null */ protected function parseSpreadElement() { if ($token = $this->scanner->consume("...")) { $argument = $this->isolateContext( array("allowIn" => true), "parseAssignmentExpression" ); if ($argument) { $node = $this->createNode("SpreadElement", $token); $node->setArgument($argument); return $this->completeNode($node); } $this->error(); } return null; } /** * Parses an array literal * * @return Node\ArrayExpression|null */ protected function parseArrayLiteral() { if ($token = $this->scanner->consume("[")) { $elements = array(); while (true) { if ($elision = $this->parseElision()) { $elements = array_merge( $elements, array_fill(0, $elision, null) ); } if (($element = $this->parseSpreadElement()) || ($element = $this->isolateContext( array("allowIn" => true), "parseAssignmentExpression" )) ) { $elements[] = $element; if (!$this->scanner->consume(",")) { break; } } else { break; } } if ($this->scanner->consume("]")) { $node = $this->createNode("ArrayExpression", $token); $node->setElements($elements); return $this->completeNode($node); } $this->error(); } return null; } /** * Parses an arguments list wrapped in round brackets * * @return array|null */ protected function parseArguments() { if ($this->scanner->consume("(")) { if (($args = $this->parseArgumentList()) !== null && $this->scanner->consume(")") ) { return $args; } $this->error(); } return null; } /** * Parses an arguments list * * @return array|null */ protected function parseArgumentList() { $list = array(); $hasComma = false; while (true) { $spread = $this->scanner->consume("..."); $exp = $this->isolateContext( array("allowIn" => true), "parseAssignmentExpression" ); if (!$exp) { //If there's no expression and the spread dots have been found //or there is a trailing comma that is not allowed, throw an //error if ($spread || ($hasComma && !$this->features->trailingCommaFunctionCallDeclaration)) { $this->error(); } break; } if ($spread) { $node = $this->createNode("SpreadElement", $spread); $node->setArgument($exp); $list[] = $this->completeNode($node); } else { $list[] = $exp; } if (!$this->scanner->consume(",")) { break; } $hasComma = true; } return $list; } /** * Parses a super call or a super property * * @return Node\Node|null */ protected function parseSuperPropertyOrCall() { if ($token = $this->scanner->consume("super")) { $super = $this->completeNode($this->createNode("Super", $token)); if (($args = $this->parseArguments()) !== null) { $node = $this->createNode("CallExpression", $token); $node->setArguments($args); $node->setCallee($super); return $this->completeNode($node); } $node = $this->createNode("MemberExpression", $token); $node->setObject($super); if ($this->scanner->consume(".")) { if ($property = $this->parseIdentifier(static::$identifierName)) { $node->setProperty($property); return $this->completeNode($node); } } elseif ($this->scanner->consume("[") && ($property = $this->isolateContext( array("allowIn" => true), "parseExpression" )) && $this->scanner->consume("]") ) { $node->setProperty($property); $node->setComputed(true); return $this->completeNode($node); } $this->error(); } return null; } /** * Parses a primary expression * * @return Node\Node|null */ protected function parsePrimaryExpression() { if ($token = $this->scanner->consume("this")) { $node = $this->createNode("ThisExpression", $token); return $this->completeNode($node); } elseif ($exp = $this->parseFunctionOrGeneratorExpression()) { return $exp; } elseif ($exp = $this->parseClassExpression()) { return $exp; } elseif ($exp = $this->parseIdentifier(static::$identifierReference)) { return $exp; } elseif ($exp = $this->parseLiteral()) { return $exp; } elseif ($exp = $this->parseArrayLiteral()) { return $exp; } elseif ($exp = $this->parseObjectLiteral()) { return $exp; } elseif ($exp = $this->parseRegularExpressionLiteral()) { return $exp; } elseif ($exp = $this->parseTemplateLiteral()) { return $exp; } elseif ($this->jsx && ($exp = $this->parseJSXFragment())) { return $exp; } elseif ($this->jsx && ($exp = $this->parseJSXElement())) { return $exp; } elseif ($token = $this->scanner->consume("(")) { if (($exp = $this->isolateContext( array("allowIn" => true), "parseExpression" )) && $this->scanner->consume(")") ) { $node = $this->createNode("ParenthesizedExpression", $token); $node->setExpression($exp); return $this->completeNode($node); } $this->error(); } return null; } /** * Parses a private identifier * * @return Node\PrivateIdentifier|null */ protected function parsePrivateIdentifier() { $token = $this->scanner->getToken(); if (!$token || $token->type !== Token::TYPE_PRIVATE_IDENTIFIER) { return null; } $this->scanner->consumeToken(); $node = $this->createNode("PrivateIdentifier", $token); $node->setName(substr($token->value, 1)); return $this->completeNode($node); } /** * Parses an identifier * * @param int $mode Parsing mode, one of the id parsing mode * constants * @param string $after If a string is passed in this parameter, the * identifier is parsed only if precedes this string * * @return Node\Identifier|null */ protected function parseIdentifier($mode, $after = null) { $token = $this->scanner->getToken(); if (!$token) { return null; } if ($after !== null) { $next = $this->scanner->getNextToken(); if (!$next || $next->value !== $after) { return null; } } $type = $token->type; switch ($type) { case Token::TYPE_BOOLEAN_LITERAL: case Token::TYPE_NULL_LITERAL: if ($mode !== self::ID_ALLOW_ALL) { return null; } break; case Token::TYPE_KEYWORD: if ($mode === self::ID_ALLOW_NOTHING) { return null; } elseif ($mode === self::ID_MIXED && $this->scanner->isStrictModeKeyword($token) ) { return null; } break; default: if ($type !== Token::TYPE_IDENTIFIER) { return null; } break; } //Exclude keywords that depend on parser context $value = $token->value; if ($mode === self::ID_MIXED && isset($this->contextKeywords[$value]) && $this->context->{$this->contextKeywords[$value]} ) { return null; } $this->scanner->consumeToken(); $node = $this->createNode("Identifier", $token); $node->setRawName($value); return $this->completeNode($node); } /** * Parses a literal * * @return Node\Literal|null */ protected function parseLiteral() { if ($token = $this->scanner->getToken()) { if ($token->type === Token::TYPE_NULL_LITERAL) { $this->scanner->consumeToken(); $node = $this->createNode("NullLiteral", $token); return $this->completeNode($node); } elseif ($token->type === Token::TYPE_BOOLEAN_LITERAL) { $this->scanner->consumeToken(); $node = $this->createNode("BooleanLiteral", $token); $node->setRaw($token->value); return $this->completeNode($node); } elseif ($literal = $this->parseStringLiteral()) { return $literal; } elseif ($literal = $this->parseNumericLiteral()) { return $literal; } } return null; } /** * Parses a string literal * * @return Node\StringLiteral|null */ protected function parseStringLiteral() { $token = $this->scanner->getToken(); if ($token && $token->type === Token::TYPE_STRING_LITERAL) { $val = $token->value; $this->checkInvalidEscapeSequences($val); $this->scanner->consumeToken(); $node = $this->createNode("StringLiteral", $token); $node->setRaw($val); return $this->completeNode($node); } return null; } /** * Parses a numeric literal * * @return Node\NumericLiteral|Node\BigIntLiteral|null */ protected function parseNumericLiteral() { $token = $this->scanner->getToken(); if ($token && $token->type === Token::TYPE_NUMERIC_LITERAL) { $val = $token->value; $this->checkInvalidEscapeSequences($val, true); $this->scanner->consumeToken(); $node = $this->createNode("NumericLiteral", $token); $node->setRaw($val); return $this->completeNode($node); } elseif ($token && $token->type === Token::TYPE_BIGINT_LITERAL) { $val = $token->value; $this->checkInvalidEscapeSequences($val, true); $this->scanner->consumeToken(); $node = $this->createNode("BigIntLiteral", $token); $node->setRaw($val); return $this->completeNode($node); } return null; } /** * Parses a template literal * * @param bool $tagged True if the template is tagged * * @return Node\Literal|null */ protected function parseTemplateLiteral($tagged = false) { $token = $this->scanner->getToken(); if (!$token || $token->type !== Token::TYPE_TEMPLATE) { return null; } //Do not parse templates parts $val = $token->value; if ($val[0] !== "`") { return null; } $quasis = $expressions = array(); $valid = false; do { $this->scanner->consumeToken(); $val = $token->value; $this->checkInvalidEscapeSequences($val, false, true, $tagged); $lastChar = substr($val, -1); $quasi = $this->createNode("TemplateElement", $token); $quasi->setRawValue($val); if ($lastChar === "`") { $quasi->setTail(true); $quasis[] = $this->completeNode($quasi); $valid = true; break; } else { $quasis[] = $this->completeNode($quasi); $exp = $this->isolateContext( array("allowIn" => true), "parseExpression" ); if ($exp) { $expressions[] = $exp; } else { $valid = false; break; } } $token = $this->scanner->getToken(); } while ($token && $token->type === Token::TYPE_TEMPLATE); if ($valid) { $node = $this->createNode("TemplateLiteral", $quasis[0]); $node->setQuasis($quasis); $node->setExpressions($expressions); return $this->completeNode($node); } $this->error(); } /** * Parses a regular expression literal * * @return Node\Literal|null */ protected function parseRegularExpressionLiteral() { if ($token = $this->scanner->reconsumeCurrentTokenAsRegexp()) { $this->scanner->consumeToken(); $node = $this->createNode("RegExpLiteral", $token); $node->setRaw($token->value); return $this->completeNode($node); } return null; } /** * Parse directive prologues. The result is an array where the first element * is the array of parsed nodes and the second element is the array of * directive prologues values * * @return array|null */ protected function parseDirectivePrologues() { $directives = $nodes = array(); while (($token = $this->scanner->getToken()) && $token->type === Token::TYPE_STRING_LITERAL ) { $directive = substr($token->value, 1, -1); if ($directive === "use strict") { $directives[] = $directive; $directiveNode = $this->parseStringLiteral(); $this->assertEndOfStatement(); $node = $this->createNode("ExpressionStatement", $directiveNode); $node->setExpression($directiveNode); $nodes[] = $this->completeNode($node); } else { break; } } return count($nodes) ? array($nodes, $directives) : null; } /** * Parses an import call * * @return Node\Node|null */ protected function parseImportCall() { if (($token = $this->scanner->consume("import")) && $this->scanner->consume("(")) { if (($source = $this->isolateContext( array("allowIn" => true), "parseAssignmentExpression" )) && $this->scanner->consume(")") ) { $node = $this->createNode("ImportExpression", $token); $node->setSource($source); return $this->completeNode($node); } $this->error(); } return null; } /** * Checks if the given string or number contains invalid escape sequences * * @param string $val Value to check * @param bool $number True if the value is a number * @param bool $forceLegacyOctalCheck True to force legacy octal * form check * @param bool $taggedTemplate True if the value is a tagged * template * * @return void */ protected function checkInvalidEscapeSequences( $val, $number = false, $forceLegacyOctalCheck = false, $taggedTemplate = false ) { if ($this->features->skipEscapeSeqCheckInTaggedTemplates && $taggedTemplate) { return; } $checkLegacyOctal = $forceLegacyOctalCheck || $this->scanner->getStrictMode(); if ($number) { if ($val && $val[0] === "0" && preg_match("#^0[0-9_]+$#", $val)) { if ($checkLegacyOctal) { $this->error( "Octal literals are not allowed in strict mode" ); } if ($this->features->numericLiteralSeparator && strpos($val, '_') !== false ) { $this->error( "Numeric separators are not allowed in legacy octal numbers" ); } } } elseif (strpos($val, "\\") !== false) { $hex = "0-9a-fA-F"; $invalidSyntax = array( "x[$hex]?[^$hex]", "x[$hex]?$", "u\{\}", "u\{(?:[$hex]*[^$hex\}]+)+[$hex]*\}", "u\{[^\}]*$", "u(?!{)[$hex]{0,3}[^$hex\{]", "u[$hex]{0,3}$" ); if ($checkLegacyOctal) { $invalidSyntax[] = "\d{2}"; $invalidSyntax[] = "[1-7]"; $invalidSyntax[] = "0[89]"; } $reg = "#(\\\\+)(" . implode("|", $invalidSyntax) . ")#"; if (preg_match_all($reg, $val, $matches, PREG_SET_ORDER)) { foreach ($matches as $match) { if (strlen($match[1]) % 2) { $first = $match[2][0]; if ($first === "u") { $err = "Malformed unicode escape sequence"; } elseif ($first === "x") { $err = "Malformed hexadecimal escape sequence"; } else { $err = "Octal literals are not allowed in strict mode"; } $this->error($err); } } } } } }PK ! �x 0� 0� lib/Peast/Renderer.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast; use Peast\Syntax\Node\Comment; /** * Nodes renderer class * * @author Marco Marchiò <marco.mm89@gmail.com> */ class Renderer { /** * Formatter to use for the rendering * * @var Formatter\Base */ protected $formatter; /** * Rendering options taken from the formatter * * @var object */ protected $renderOpts; /** * Node types that does not require semicolon insertion * * @var array */ protected $noSemicolon = array( "ClassDeclaration", "ExportDefaultDeclaration", "ForInStatement", "ForOfStatement", "ForStatement", "FunctionDeclaration", "IfStatement", "LabeledStatement", "StaticBlock", "SwitchStatement", "TryStatement", "WhileStatement", "WithStatement", "MethodDefinition" ); /** * Sets the formatter to use for the rendering * * @param Formatter\Base $formatter Formatter * * @return $this */ public function setFormatter(Formatter\Base $formatter) { $this->formatter = $formatter; $this->renderOpts = (object) array( "nl" => $this->formatter->getNewLine(), "ind" => $this->formatter->getIndentation(), "nlbc" => $this->formatter->getNewLineBeforeCurlyBracket(), "sao" => $this->formatter->getSpacesAroundOperator() ? " " : "", "sirb" => $this->formatter->getSpacesInsideRoundBrackets() ? " " : "", "awb" => $this->formatter->getAlwaysWrapBlocks(), "com" => $this->formatter->getRenderComments(), "rci" => $this->formatter->getRecalcCommentsIndent() ); return $this; } /** * Returns the formatter to use for the rendering * * @return Formatter\Base */ public function getFormatter() { return $this->formatter; } /** * Renders the given node * * @param Syntax\Node\Node $node Node to render * * @return string * * @throws \Exception */ public function render(Syntax\Node\Node $node) { //Throw exception if no formatter has been specified if (!$this->formatter) { throw new \Exception("Formatter not set"); } //Reset indentation level $this->renderOpts->indLevel = 0; //Start rendering return $this->renderNode($node); } /** * Renders a node * * @param Syntax\Node\Node $node Node to render * @param bool $addSemicolon True to add semicolon after node * rendered code * * @return string */ protected function renderNode(Syntax\Node\Node $node, $addSemicolon = false) { $code = ""; if ($this->renderOpts->com) { $code .= $this->renderComments($node); } $type = $node->getType(); switch ($type) { case "ArrayExpression": case "ArrayPattern": $code .= "[" . $this->joinNodes( $node->getElements(), "," . $this->renderOpts->sao ) . "]"; break; case "ArrowFunctionExpression": if ($node->getAsync()) { $code .= "async" . $this->renderOpts->sao; } $code .= "(" . $this->renderOpts->sirb . $this->joinNodes( $node->getParams(), "," . $this->renderOpts->sao ) . $this->renderOpts->sirb . ")" . $this->renderOpts->sao . "=>"; $body = $node->getBody(); if ($body->getType() !== "BlockStatement") { $code .= $this->renderOpts->sao . $this->renderNode($body); } else { $code .= $this->renderStatementBlock($node, $body, true); } break; case "AwaitExpression": $code .= "await " . $this->renderNode($node->getArgument()); break; case "AssignmentExpression": case "AssignmentPattern": case "BinaryExpression": case "LogicalExpression": $operator = $type === "AssignmentPattern" ? "=" : $node->getOperator(); $code .= $this->renderNode($node->getLeft()); $codeRight = $this->renderNode($node->getRight()); if (preg_match("#^[a-z]+$#i", $operator)) { $code .= " " . $operator . " "; } else { //If there's no space around the operator, additional checks must //be performed to prevent errors when rendering unary and update //expressions inside binary expressions $checkSpace = !$this->renderOpts->sao && $type === "BinaryExpression"; //The space is mandatory if the left part ends with the same //character used as operator if ($checkSpace && $code && substr($code, -1) === $operator) { $code .= " "; } $code .= $this->renderOpts->sao . $operator . $this->renderOpts->sao; //The space is mandatory if the right part begins with the same //character used as operator if ($checkSpace && $codeRight && $codeRight[0] === $operator) { $code .= " "; } } $code .= $codeRight; break; case "BlockStatement": case "ClassBody": case "Program": $code .= $this->renderStatementBlock( $node, $node->getBody(), false, false, true, false ); break; case "BreakStatement": case "ContinueStatement": $code .= $type === "BreakStatement" ? "break" : "continue"; if ($label = $node->getLabel()) { $code .= " " . $this->renderNode($label); } break; case "CallExpression": case "NewExpression": if ($type === "NewExpression") { $code .= "new "; $optional = false; } else { $optional = $node->getOptional(); } $code .= $this->renderNode($node->getCallee()) . ($optional ? "?." : "") . "(" . $this->renderOpts->sirb . $this->joinNodes( $node->getArguments(), "," . $this->renderOpts->sao ) . $this->renderOpts->sirb . ")"; break; case "CatchClause": $code .= "catch"; if ($params = $node->getParam()) { $code .= $this->renderOpts->sao . "(" . $this->renderOpts->sirb . $this->renderNode($params) . $this->renderOpts->sirb . ")"; } $code .= $this->renderStatementBlock($node, $node->getBody(), true); break; case "ChainExpression": case "ExpressionStatement": $code .= $this->renderNode($node->getExpression()); break; case "ClassExpression": case "ClassDeclaration": $code .= "class"; if ($id = $node->getId()) { $code .= " " . $this->renderNode($id); } if ($superClass = $node->getSuperClass()) { $code .= " extends " . $this->renderNode($superClass); } $code .= $this->renderStatementBlock( $node, $node->getBody(), true ); break; case "ConditionalExpression": $code .= $this->renderNode($node->getTest()) . $this->renderOpts->sao . "?" . $this->renderOpts->sao . $this->renderNode($node->getConsequent()) . $this->renderOpts->sao . ":" . $this->renderOpts->sao . $this->renderNode($node->getAlternate()); break; case "DebuggerStatement": $code .= "debugger"; break; case "DoWhileStatement": $code .= "do" . $this->renderStatementBlock( $node, $node->getBody(), null, true ) . $this->renderOpts->sao . "while" . $this->renderOpts->sao . "(" . $this->renderOpts->sirb . $this->renderNode($node->getTest()) . $this->renderOpts->sirb . ")"; break; case "JSXEmptyExpression": case "EmptyStatement": break; case "ExportAllDeclaration": $code .= "export *"; $exported = $node->getExported(); if ($exported) { $code .= " as " . $this->renderNode($exported); } $code .= " from " . $this->renderNode($node->getSource()); break; case "ExportDefaultDeclaration": $declaration = $node->getDeclaration(); $code .= "export default " . $this->renderNode($declaration); if ($this->requiresSemicolon($declaration)) { $code .= ";"; } break; case "ExportNamedDeclaration": $code .= "export"; if ($dec = $node->getDeclaration()) { $code .= " " . $this->renderNode($dec); } else { $code .= $this->renderOpts->sao . "{" . $this->joinNodes( $node->getSpecifiers(), "," . $this->renderOpts->sao ) . "}"; if ($source = $node->getSource()) { $code .= $this->renderOpts->sao . "from " . $this->renderNode($source); } } break; case "ExportSpecifier": $local = $this->renderNode($node->getLocal()); $ref = $this->renderNode($node->getExported()); $code .= $local === $ref ? $local : $local . " as " . $ref; break; case "ForInStatement": case "ForOfStatement": //Force single line mode for substatements $this->renderOpts->forceSingleLine = true; $code .= "for" . ($type === "ForOfStatement" && $node->getAwait() ? " await" : "") . $this->renderOpts->sao . "(" . $this->renderOpts->sirb . $this->renderNode($node->getLeft()) . " " . ($type === "ForInStatement" ? "in" : "of") . " " . $this->renderNode($node->getRight()) . $this->renderOpts->sirb . ")" . $this->renderStatementBlock($node, $node->getBody()); unset($this->renderOpts->forceSingleLine); break; case "ForStatement": //Force single line mode for substatements $this->renderOpts->forceSingleLine = true; $code .= "for" . $this->renderOpts->sao . "(" . $this->renderOpts->sirb; if ($init = $node->getInit()) { $code .= $this->renderNode($init); } $code .= ";" . $this->renderOpts->sao; if ($test = $node->getTest()) { $code .= $this->renderNode($test); } $code .= ";" . $this->renderOpts->sao; if ($update = $node->getUpdate()) { $code .= $this->renderNode($update); } $code .= $this->renderOpts->sirb . ")" . $this->renderStatementBlock($node, $node->getBody()); unset($this->renderOpts->forceSingleLine); break; case "FunctionDeclaration": case "FunctionExpression": $id = $node->getId(); if ($node->getAsync()) { $code .= "async "; } $code .= "function"; if ($node->getGenerator()) { $code .= $this->renderOpts->sao . "*"; } elseif ($id) { $code .= " "; } if ($id) { if ($node->getGenerator()) { $code .= $this->renderOpts->sao; } $code .= $this->renderNode($id); } $code .= $this->renderOpts->sao . "(" . $this->renderOpts->sirb . $this->joinNodes( $node->getParams(), "," . $this->renderOpts->sao ) . $this->renderOpts->sirb . ")" . $this->renderStatementBlock($node, $node->getBody(), true); break; case "ImportExpression": $code .= "import(" . $this->renderOpts->sirb . $this->renderNode($node->getSource()) . $this->renderOpts->sirb . ")"; break; case "JSXIdentifier": case "Identifier": $code .= $node->getRawName(); break; case "IfStatement": $code .= "if" . $this->renderOpts->sao . "(" . $this->renderOpts->sirb . $this->renderNode($node->getTest()) . $this->renderOpts->sirb . ")"; $code .= $this->renderStatementBlock( $node, $node->getConsequent() ); if ($alternate = $node->getAlternate()) { $code .= $this->renderOpts->sao . "else" . $this->renderStatementBlock( $node, $alternate, null, true ); } break; case "ImportDeclaration": $code .= "import "; $specifiers = $node->getSpecifiers(); if (count($specifiers)) { $sep = "," . $this->renderOpts->sao; $groups = $parts = array(); foreach ($specifiers as $spec) { $specType = $spec->getType(); if (!isset($groups[$specType])) { $groups[$specType] = array(); } $groups[$specType][] = $spec; } if (isset($groups["ImportDefaultSpecifier"])) { foreach ($groups["ImportDefaultSpecifier"] as $s) { $parts[] = $this->renderNode($s); } } if (isset($groups["ImportNamespaceSpecifier"])) { foreach ($groups["ImportNamespaceSpecifier"] as $s) { $parts[] = $this->renderNode($s); } } if (isset($groups["ImportSpecifier"])) { $impSpec = array(); foreach ($groups["ImportSpecifier"] as $s) { $impSpec[] = $this->renderNode($s); } $parts[] = "{" . implode($sep, $impSpec) . "}"; } $code .= implode($sep, $parts) . " from "; } $code .= $this->renderNode($node->getSource()); break; case "ImportDefaultSpecifier": $code .= $this->renderNode($node->getLocal()); break; case "ImportNamespaceSpecifier": $code .= "* as " . $this->renderNode($node->getLocal()); break; case "ImportSpecifier": $local = $this->renderNode($node->getLocal()); $ref = $this->renderNode($node->getImported()); $code .= $local === $ref ? $local : $ref . " as " . $local; break; case "JSXAttribute": $code .= $this->renderNode($node->getName()); if ($value = $node->getValue()) { $code .= "=" . $this->renderNode($value); } break; case "JSXClosingElement": $code .= "</" . $this->renderNode($node->getName()) . ">"; break; case "JSXClosingFragment": $code .= "</>"; break; case "JSXElement": $code .= $this->renderNode($node->getOpeningElement()) . $this->joinNodes($node->getChildren(), ""); if ($closing = $node->getClosingElement()) { $code .= $this->renderNode($closing); } break; case "JSXExpressionContainer": $code .= "{" . $this->renderNode($node->getExpression()) . "}"; break; case "JSXFragment": $code .= $this->renderNode($node->getOpeningFragment()) . $this->joinNodes($node->getChildren(), "") . $this->renderNode($node->getClosingFragment()); break; case "JSXNamespacedName": $code .= $this->renderNode($node->getNamespace()) . ":" . $this->renderNode($node->getName()); break; case "JSXOpeningElement": $code .= "<" . $this->renderNode($node->getName()); $attributes = $node->getAttributes(); if (count($attributes)) { $code .= " " . $this->joinNodes($attributes, " "); } if ($node->getSelfClosing()) { $code .= "/"; } $code .= ">"; break; case "JSXOpeningFragment": $code .= "<>"; break; case "JSXSpreadAttribute": $code .= "{..." . $this->renderNode($node->getArgument()) . "}"; break; case "JSXSpreadChild": $code .= "{..." . $this->renderNode($node->getExpression()) . "}"; break; case "LabeledStatement": $body = $node->getBody(); $code .= $this->renderNode($node->getLabel()) . ":"; if ($body->getType() === "BlockStatement") { $code .= $this->renderStatementBlock($node, $body, true); } else { $code .= $this->renderOpts->nl . $this->getIndentation() . $this->renderNode($body); } if ($this->requiresSemicolon($body)) { $code .= ";"; } break; case "JSXText": case "Literal": case "RegExpLiteral": $code .= $node->getRaw(); break; case "JSXMemberExpression": case "MemberExpression": $property = $node->getProperty(); $compiledProperty = $this->renderNode($property); $code .= $this->renderNode($node->getObject()); $optional = false; if ($type === "MemberExpression") { $optional = $node->getOptional(); } $propertyType = $property->getType(); if ($type === "MemberExpression" && ($node->getComputed() || ($propertyType !== "Identifier" && $propertyType !== "PrivateIdentifier"))) { $code .= ($optional ? "?." : "") . "[" . $compiledProperty . "]"; } else { $code .= ($optional ? "?." : ".") . $compiledProperty; } break; case "MetaProperty": $code .= $node->getMeta() . "." . $node->getProperty(); break; case "MethodDefinition": if ($node->getStatic()) { $code .= "static "; } $value = $node->getValue(); $key = $node->getKey(); $kind = $node->getKind(); if ($kind === $node::KIND_GET || $kind === $node::KIND_SET) { $code .= $kind . " "; } else { if ($value->getAsync()) { $code .= "async "; } if ($value->getGenerator()) { $code .= "*" . $this->renderOpts->sao; } } if ($node->getComputed()) { $code .= "[" . $this->renderNode($key) . "]"; } else { $code .= $this->renderNode($key); } $code .= $this->renderOpts->sao . preg_replace("/^[^(]+/", "", $this->renderNode($value)); break; case "ObjectExpression": $currentIndentation = $this->getIndentation(); $this->renderOpts->indLevel++; $indentation = $this->getIndentation(); //Handle single line mode if (isset($this->renderOpts->forceSingleLine)) { $start = $end = ""; $separator = "," . $this->renderOpts->sao; } else { $end = $this->renderOpts->nl . $currentIndentation; $start = $this->renderOpts->nl . $indentation; $separator = "," . $this->renderOpts->nl . $indentation; } $code .= "{"; $properties = $node->getProperties(); if (count($properties)) { $code .= $start . $this->joinNodes( $properties, $separator ) . $end; } $code .= "}"; $this->renderOpts->indLevel--; break; case "ObjectPattern": $code .= "{" . $this->joinNodes( $node->getProperties(), "," . $this->renderOpts->sao ) . "}"; break; case "ParenthesizedExpression": $code .= "(" . $this->renderOpts->sirb . $this->renderNode($node->getExpression()) . $this->renderOpts->sirb . ")"; break; case "PrivateIdentifier": $code .= "#" . $node->getName(); break; case "Property": $value = $node->getValue(); $key = $node->getKey(); $compiledKey = $this->renderNode($key); $compiledValue = $this->renderNode($value); $keyType = $key->getType(); $valueType = $value->getType(); if ($valueType === "AssignmentPattern" && $compiledKey === $this->renderNode($value->getLeft())) { $code .= $compiledValue; } else { $kind = $node->getKind(); $getterSetter = $kind === $node::KIND_GET || $kind === $node::KIND_SET; if ($getterSetter) { $code .= $kind . " "; } elseif ($value->getType() === "FunctionExpression" && $value->getGenerator()) { $code .= "*" . $this->renderOpts->sao; } if ($node->getMethod() && $value->getAsync()) { $code .= "async "; } if ($node->getComputed()) { $code .= "[" . $compiledKey . "]"; } else { $code .= $compiledKey; } if ($node->getMethod() || $getterSetter) { $code .= $this->renderOpts->sao . preg_replace("/^[^(]+/", "", $compiledValue); } elseif ($keyType !== "Identifier" || $valueType !== "Identifier" || $compiledKey !== $compiledValue ) { $code .= ($node->getShorthand() ? "=" : ":") . $this->renderOpts->sao . $compiledValue; } } break; case "PropertyDefinition": if ($node->getStatic()) { $code .= "static "; } $compiledKey = $this->renderNode($node->getKey()); if ($node->getComputed()) { $code .= "[" . $compiledKey . "]"; } else { $code .= $compiledKey; } if ($value = $node->getValue()) { $code .= $this->renderOpts->sao . "=" . $this->renderOpts->sao . $this->renderNode($value); } break; case "RestElement": case "SpreadElement": $code .= "..." . $this->renderNode($node->getArgument()); break; case "ReturnStatement": $code .= "return"; if ($argument = $node->getArgument()) { $code .= " " . $this->renderNode($argument); } break; case "SequenceExpression": $code .= $this->joinNodes( $node->getExpressions(), "," . $this->renderOpts->sao ); break; case "StaticBlock": $code .= "static"; $code .= $this->renderStatementBlock($node, $node->getBody(), true); break; case "Super": $code .= "super"; break; case "SwitchCase": if ($test = $node->getTest()) { $code .= "case " . $this->renderNode($test); } else { $code .= "default"; } $code .= ":"; if (count($node->getConsequent())) { $code .= $this->renderStatementBlock( $node, $node->getConsequent() ); } break; case "SwitchStatement": $code .= "switch" . $this->renderOpts->sao . "(" . $this->renderOpts->sirb . $this->renderNode($node->getDiscriminant()) . $this->renderOpts->sirb . ")" . $this->renderStatementBlock( $node, $node->getCases(), true, false, false ); break; case "TaggedTemplateExpression": $code .= $this->renderNode($node->getTag()) . $this->renderNode($node->getQuasi()); break; case "TemplateElement": $code .= $node->getRawValue(); break; case "TemplateLiteral": $code .= "`"; foreach ($node->getParts() as $part) { if ($part->getType() === "TemplateElement") { $code .= $this->renderNode($part); } else { $code .= "$" . "{" . $this->renderNode($part) . "}"; } } $code .= "`"; break; case "ThisExpression": $code .= "this"; break; case "ThrowStatement": $code .= "throw " . $this->renderNode($node->getArgument()); break; case "TryStatement": $code .= "try" . $this->renderStatementBlock($node, $node->getBlock(), true); if ($handler = $node->getHandler()) { $code .= $this->renderOpts->sao . $this->renderNode($handler); } if ($finalizer = $node->getFinalizer()) { $code .= $this->renderOpts->sao . "finally" . $this->renderStatementBlock($node, $finalizer, true); } break; case "UnaryExpression": case "UpdateExpression": $prefix = $node->getPrefix(); if ($prefix) { $code .= $node->getOperator(); if (preg_match("#^[a-z]+$#i", $node->getOperator())) { $code .= " "; } } $code .= $this->renderNode($node->getArgument()); if (!$prefix) { $code .= $node->getOperator(); } break; case "VariableDeclaration": $this->renderOpts->indLevel++; $indentation = $this->getIndentation(); //Handle single line mode if (isset($this->renderOpts->forceSingleLine)) { $separator = "," . $this->renderOpts->sao; } else { $separator = "," . $this->renderOpts->nl . $indentation; } $code .= $node->getKind() . " " . $this->joinNodes( $node->getDeclarations(), $separator ); $this->renderOpts->indLevel--; break; case "VariableDeclarator": $code .= $this->renderNode($node->getId()); if ($init = $node->getInit()) { $code .= $this->renderOpts->sao . "=" . $this->renderOpts->sao . $this->renderNode($init); } break; case "WhileStatement": $code .= "while" . $this->renderOpts->sao . "(" . $this->renderOpts->sirb . $this->renderNode($node->getTest()) . $this->renderOpts->sirb . ")" . $this->renderStatementBlock($node, $node->getBody()); break; case "WithStatement": $code .= "with" . $this->renderOpts->sao . "(" . $this->renderOpts->sirb . $this->renderNode($node->getObject()) . $this->renderOpts->sirb . ")" . $this->renderStatementBlock($node, $node->getBody()); break; case "YieldExpression": $code .= "yield"; if ($node->getDelegate()) { $code .= " *"; } if ($argument = $node->getArgument()) { $code .= " " . $this->renderNode($argument); } break; } if ($addSemicolon) { $code .= ";"; } if ($this->renderOpts->com) { $code .= $this->renderComments($node, false); } return $code; } /** * Renders a node as a block statement * * @param Syntax\Node\Node $parent Parent node * @param Syntax\Node\Node|array $node Node or array of * nodes to render * @param bool $forceBrackets Overrides brackets * inserting rules * @param bool $mandatorySeparator True if a starting * separator is * mandatory * @param bool $addSemicolons Semicolons are * inserted automatically * if this parameter is * not false * @param bool $incIndent If false indentation * level won't be * incremented * * @return string */ protected function renderStatementBlock( $parent, $node, $forceBrackets = null, $mandatorySeparator = false, $addSemicolons = true, $incIndent = true ) { $code = ""; //If node is an array with only one element, handle it as a single node if (is_array($node) && count($node) === 1) { $node = $node[0]; } //Special handling of BlockStatement and ClassBody nodes by rendering //their child nodes $origNode = null; if (!is_array($node) && in_array($node->getType(), array("BlockStatement", "ClassBody"))) { $origNode = $node; $node = $node->getBody(); } //If $forceBrackets is not null use its value to override curly brackets //insertion rules if ($forceBrackets !== null) { $hasBrackets = $forceBrackets; } else { //Insert curly brackets if needed $hasBrackets = $this->needsBrackets($parent, $node); } $currentIndentation = $this->getIndentation(); //If the node must be wrapped in curly braces a separator defined by formatter //must be inserted if ($hasBrackets) { if ($this->renderOpts->nlbc) { $code .= $this->renderOpts->nl . $currentIndentation; } else { $code .= $this->renderOpts->sao; } } //Move the content of the SwitchCase content to a new line if brackets won't //be inserted, in this way it's not rendered on the same line of the "case" elseif ($parent->getType() === "SwitchCase") { $code .= $this->renderOpts->nl; } $emptyBody = is_array($node) && !count($node); if ($this->renderOpts->com && $origNode) { $code .= $this->renderComments($origNode, true, !$emptyBody); } //Insert open curly bracket if required if ($hasBrackets) { $code .= "{" . $this->renderOpts->nl; } elseif ($mandatorySeparator) { //If bracket is not inserted but a separator is still required //a space is added $code .= " "; } //Increase indentation level if ($incIndent) { $this->renderOpts->indLevel++; } $subIndentation = $this->getIndentation(); //Render the node or the array of nodes if (is_array($node)) { if (!$emptyBody) { $code .= $subIndentation . $this->joinNodes( $node, $this->renderOpts->nl . $subIndentation, $addSemicolons ); } } else { $code .= $subIndentation . $this->renderNode( $node, $addSemicolons && $this->requiresSemicolon($node) ); } if ($this->renderOpts->com) { //Strip last new line and indentations added by comments rendering if (!$emptyBody) { $code = $this->trimEmptyLine($code); } if ($origNode) { $code .= $this->renderComments($origNode, false, !$emptyBody); if (!$emptyBody) { $code = $this->trimEmptyLine($code); } } } //Reset the indentation level if ($incIndent) { $this->renderOpts->indLevel--; } //Insert closing curly bracket if required if ($hasBrackets) { //Add a new line if something was rendered if (!$emptyBody) { $code .= $this->renderOpts->nl; } $code .= $currentIndentation . "}"; } return $code; } /** * Joins an array of nodes with the given separator * * @param array $nodes Nodes * @param string $separator Separator * @param bool $addSemicolons True to add semicolons after each node * * @return string */ protected function joinNodes($nodes, $separator, $addSemicolons=false) { $parts = array(); foreach ($nodes as $node) { if (!$node) { $code = ""; } else { $code = $this->renderNode( $node, $addSemicolons && $this->requiresSemicolon($node) ); } $parts[] = $code; } return implode($separator, $parts); } /** * Check if the node or the array of nodes need brackets to be rendered * * @param Syntax\Node\Node $parent Parent node * @param Syntax\Node\Node|array $node Node or array of * nodes to render * * @return bool */ protected function needsBrackets($parent, $node) { $parentType = $parent->getType(); //The SwitchCase content needs brackets if it contains let or const declarations $inSwitchCase = $parentType === "SwitchCase"; //Except for SwitchCase, brackets are needed if the formatter requires them or whenever //there are 0 or multiple nodes to render if (!$inSwitchCase && ($this->renderOpts->awb || (is_array($node) && count($node) !== 1))) { return true; } if (!is_array($node)) { $node = array($node); } $addBrackets = false; $optBracketNodes = array( "DoWhileStatement", "ForInStatement", "ForOfStatement", "ForStatement", "WhileStatement", "WithStatement" ); //An IfStatement requires brackets if it contains let or const declarations and if it has the "else" part //and contains another IfStatement with "else" $inIfWithElse = $parentType === "IfStatement" && $parent->getAlternate(); $checkFn = function ($n) use ($inIfWithElse, $optBracketNodes, &$addBrackets) { $type = $n->getType(); if ($inIfWithElse && $type === "IfStatement") { if (!$n->getAlternate()) { $addBrackets = true; } return Traverser::DONT_TRAVERSE_CHILD_NODES; } elseif ($type === "BlockStatement") { if (count($n->getBody()) !== 1) { return Traverser::DONT_TRAVERSE_CHILD_NODES; } } elseif ($inIfWithElse && $type === "LabeledStatement") { if ($n->getBody()->getType() === "BlockStatement") { $addBrackets = true; } return Traverser::DONT_TRAVERSE_CHILD_NODES; } elseif ($type === "VariableDeclaration") { if (in_array($n->getKind(), array($n::KIND_LET, $n::KIND_CONST))) { $addBrackets = true; } return Traverser::DONT_TRAVERSE_CHILD_NODES; } elseif (!in_array($type, $optBracketNodes)) { return Traverser::DONT_TRAVERSE_CHILD_NODES; } }; //Traverse every node but stop whenever the $addBrackets variable becomes true foreach ($node as $n) { $n->traverse($checkFn); if ($addBrackets) { break; } } return $addBrackets; } /** * Render node's comments * * @param Syntax\Node\Node $node Node * @param bool $leading False to render trailing comments * @param bool|null $blockContent This paramater can have 3 values: * - null: the node is not a block * - false: the node is an empty block * - true: the node is a block with content * * @return string */ protected function renderComments($node, $leading = true, $blockContent = null) { $code = ""; $fn = $leading ? "getLeadingComments" : "getTrailingComments"; $comments = $node ? $node->$fn() : array(); $numComments = count($comments); if ($numComments) { $lastFormatted = $blockContent === false ? true : $leading; $refNode = $node; $refKey = $leading ? "end" : "start"; $refNodeKey = $leading ? "start" : "end"; $indent = $this->getIndentation(); foreach ($comments as $k => $comment) { $lastComment = $k === $numComments - 1; $isMultilineComment = $comment->getKind() === Comment::KIND_MULTILINE; // Check if the comment must be formatted with new line and indentations $format = true; if ( $refNode && $isMultilineComment && $comment->location && $refNode->location && $comment->location->$refKey->getLine() === $refNode->location->$refNodeKey->getLine() ) { $format = false; } //If the last comment wasn't formatted but this one must be formatted, add the new //line and the indentation if ($format && !$lastFormatted) { $code .= $this->renderOpts->nl . $indent; } //Leading comments on empty blocks must render the initial indentation if format //is enabled if ($format && $blockContent === false && !$k) { $code .= $indent; } $commentRaw = $comment->getRawText(); //Reindent multiline comments if necessary if ($isMultilineComment && $indent && $this->renderOpts->rci) { $commentRaw = preg_replace("/^\s+\*/m", $indent . " *", $commentRaw); } $code .= $commentRaw; //If format is enabled, add the new line character and the indentation if the node //is not an empty block or the it's not the last comment if ($format && ($blockContent !== true || !$lastComment || !$isMultilineComment)) { //For non multiline comments the new line is mandatory, even if the formatter //disables it $code .= !$isMultilineComment && !$this->renderOpts->nl ? "\n" : $this->renderOpts->nl; //Last comment on blocks must not render indentation if ($blockContent === null || !$lastComment) { $code .= $indent; } } $refNode = $comment; $lastFormatted = $format; } } return $code; } /** * Removes an empty line at the end of the given code, if present * * @param string $code Code * * @return string */ protected function trimEmptyLine($code) { if ($this->renderOpts->nl) { $nl = preg_quote($this->renderOpts->nl, "/"); $indent = preg_quote($this->getIndentation(), "/"); $code = preg_replace("/$nl(?:$indent)?$/", "", $code); } return $code; } /** * Check if the given node requires semicolons insertion * * @param Syntax\Node\Node $node Node * * @return bool */ protected function requiresSemicolon($node) { return !in_array($node->getType(), $this->noSemicolon); } /** * Returns the current indentation string * * @return string */ protected function getIndentation() { return str_repeat( $this->renderOpts->ind, $this->renderOpts->indLevel ); } }PK ! �ޖ�@ @ lib/Peast/Query.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast; /** * Nodes query class * * @author Marco Marchiò <marco.mm89@gmail.com> */ class Query implements \IteratorAggregate, \Countable { /** * Current matches * * @var Selector\Matches */ protected $matches; /** * Options array * * @var array */ protected $options; /** * Class constructor. Available options are: * - encoding: selectors encoding. If not specified the * parser will assume UTF-8. * * @param Syntax\Node\Program $root Root node * @param array $options Options array */ public function __construct(Syntax\Node\Program $root, $options = array()) { $this->matches = new Selector\Matches(); $this->matches->addMatch($root); $this->options = $options; } /** * Finds nodes matching the given selector starting from the * current matched nodes, if any, or from the root * * @param string $selector Selector * * @return $this * * @throws Selector\Exception */ public function find($selector) { $parser = new Selector\Parser($selector, $this->options); $selector = $parser->parse(); $this->matches = $selector->exec($this->matches); return $this; } /** * Executes the given selector on the current nodes and filters * out the nodes which don't match * * @param string $selector Selector * * @return $this * * @throws Selector\Exception */ public function filter($selector) { $parser = new Selector\Parser($selector, $this->options); $selector = $parser->parse(true); $this->matches->filter(function ($node, $parent) use ($selector) { $newMatch = new Selector\Matches(); $newMatch->addMatch($node, $parent); return $selector->exec($newMatch)->getMatches(); }); return $this; } /** * Returns the number of matched nodes * * @return int */ #[\ReturnTypeWillChange] public function count() { return $this->matches->count(); } /** * Returns the node at the given index * * @param int $index Index * * @return array * * @throws \Exception */ public function get($index) { return $this->matches->get($index)[0]; } /** * Returns the nodes iterator * * @return \ArrayIterator */ #[\ReturnTypeWillChange] public function getIterator() { return new \ArrayIterator($this->matches->getNodes()); } }PK ! 8�+�� � lib/Peast/Traverser.phpnu �Iw�� <?php /** * This file is part of the Peast package * * (c) Marco Marchiò <marco.mm89@gmail.com> * * For the full copyright and license information refer to the LICENSE file * distributed with this source code */ namespace Peast; /** * Nodes traverser class * * @author Marco Marchiò <marco.mm89@gmail.com> */ class Traverser { /** * If a function return this value, the current node will be removed */ const REMOVE_NODE = 1; /** * If a function return this value, the current node's children won't be * traversed */ const DONT_TRAVERSE_CHILD_NODES = 2; /** * If a function return this value, the traverser will stop running */ const STOP_TRAVERSING = 4; /** * Array of functions to call on each node * * @var array */ protected $functions = array(); /** * Pass parent node flag * * @var bool */ protected $passParentNode = false; /** * Skip starting node flag * * @var bool */ protected $skipStartingNode = false; /** * Class constructor. Available options are: * - skipStartingNode: if true the starting node will be skipped * - passParentNode: if true the parent node of each node will be * passed as second argument when the functions are called. Note * that the parent node is calculated during traversing, so for * the starting node it will always be null. * * @param array $options Options array */ public function __construct($options = array()) { if (isset($options["passParentNode"])) { $this->passParentNode = (bool) $options["passParentNode"]; } if (isset($options["skipStartingNode"])) { $this->skipStartingNode = (bool) $options["skipStartingNode"]; } } /** * Adds a function that will be called for each node in the tree. The * function will receive the current node as argument. The action that will * be executed on the node by the traverser depends on the returned value * of the function: * - a node: it will replace the node with the returned one * - a numeric value that is a combination of the constants defined in this * class: it will execute the function related to each constant * - an array where the first element is a node and the second element is a * numeric value that is a combination of the constants defined in this * class: it will replace the node with the returned one and it will * execute the function related to each constant (REMOVE_NODE will be * ignored since it does not make any sense in this case) * - other: nothing * * @param callable $fn Function to add * * @return $this */ public function addFunction(callable $fn) { $this->functions[] = $fn; return $this; } /** * Starts the traversing * * @param Syntax\Node\Node $node Starting node * * @return Syntax\Node\Node */ public function traverse(Syntax\Node\Node $node) { if ($this->skipStartingNode) { $this->traverseChildren($node); } else { $this->execFunctions($node); } return $node; } /** * Executes all functions on the given node and, if required, starts * traversing its children. The returned value is an array where the first * value is the node or null if it has been removed and the second value is * a boolean indicating if the traverser must continue the traversing or not * * @param Syntax\Node\Node $node Node * @param Syntax\Node\Node|null $parent Parent node * * @return array */ protected function execFunctions($node, $parent = null) { $traverseChildren = true; $continueTraversing = true; foreach ($this->functions as $fn) { $ret = $this->passParentNode ? $fn($node, $parent) : $fn($node); if ($ret) { if (is_array($ret) && $ret[0] instanceof Syntax\Node\Node) { $node = $ret[0]; if (isset($ret[1]) && is_numeric($ret[1])) { if ($ret[1] & self::DONT_TRAVERSE_CHILD_NODES) { $traverseChildren = false; } if ($ret[1] & self::STOP_TRAVERSING) { $continueTraversing = false; } } } elseif ($ret instanceof Syntax\Node\Node) { $node = $ret; } elseif (is_numeric($ret)) { if ($ret & self::DONT_TRAVERSE_CHILD_NODES) { $traverseChildren = false; } if ($ret & self::STOP_TRAVERSING) { $continueTraversing = false; } if ($ret & self::REMOVE_NODE) { $node = null; $traverseChildren = false; break; } } } } if ($traverseChildren && $continueTraversing) { $continueTraversing = $this->traverseChildren($node); } return array($node, $continueTraversing); } /** * Traverses node children. It returns a boolean indicating if the * traversing must continue or not * * @param Syntax\Node\Node $node Node * * @return bool */ protected function traverseChildren(Syntax\Node\Node $node) { $continue = true; foreach (Syntax\Utils::getNodeProperties($node, true) as $prop) { $getter = $prop["getter"]; $setter = $prop["setter"]; $child = $node->$getter(); if (!$child) { continue; } elseif (is_array($child)) { $newChildren = array(); foreach ($child as $c) { if (!$c || !$continue) { $newChildren[] = $c; } else { list($c, $continue) = $this->execFunctions($c, $node); if ($c) { $newChildren[] = $c; } } } $node->$setter($newChildren); } else { list($child, $continue) = $this->execFunctions($child, $node); $node->$setter($child); } if (!$continue) { break; } } return $continue; } }PK ! � � � doc/ast-and-tokenization.mdnu �Iw�� AST generation and tokenization ========== AST generation ------------- To generate AST (abstract syntax tree) for your JavaScript code just write: ```php $source = "var a = 1"; //JavaScript code $ast = Peast\Peast::latest($source, $options)->parse(); ``` The previous code generates this structure: ``` Peast\Syntax\Node\Program getSourceType() => "script" getBody() => array( Peast\Syntax\Node\VariableDeclaration getKind() => "var" getDeclarations() => array( Peast\Syntax\Node\VariableDeclarator getId() => Peast\Syntax\Node\Identifier getName() => "a" getInit() => Peast\Syntax\Node\NumericLiteral getFormat() => "decimal" getValue() => 1 ) ) ``` Tokenization ------------- To tokenize your JavaScript code just write: ```php $source = "var a = 1"; //JavaScript code $tokens = Peast\Peast::latest($source, $options)->tokenize(); ``` This function produces an array of tokens from your code: ``` array( Peast\Syntax\Token getType() => "Keyword" getValue() => "var" Peast\Syntax\Token getType() => "Identifier" getValue() => "a" Peast\Syntax\Token getType() => "Punctuator" getValue() => "=" Peast\Syntax\Token getType() => "Numeric" getValue() => "1" ) ``` EcmaScript version ------------- Peast can parse different versions of EcmaScript, you can choose the version by using the relative method on the main class. Available methods are: * ```Peast::ES2015(source, options)``` or ```Peast::ES6(source, options)```: parse using EcmaScript 2015 (ES6) syntax * ```Peast::ES2016(source, options)``` or ```Peast::ES7(source, options)```: parse using EcmaScript 2016 (ES7) syntax * ```Peast::ES2017(source, options)``` or ```Peast::ES8(source, options)```: parse using EcmaScript 2017 (ES8) syntax * ```Peast::ES2018(source, options)``` or ```Peast::ES9(source, options)```: parse using EcmaScript 2018 (ES9) syntax * ```Peast::ES2019(source, options)``` or ```Peast::ES10(source, options)```: parse using EcmaScript 2019 (ES10) syntax * ```Peast::ES2020(source, options)``` or ```Peast::ES11(source, options)```: parse using EcmaScript 2020 (ES11) syntax * ```Peast::ES2021(source, options)``` or ```Peast::ES12(source, options)```: parse using EcmaScript 2021 (ES12) syntax * ```Peast::ES2022(source, options)``` or ```Peast::ES13(source, options)```: parse using EcmaScript 2022 (ES13) syntax * ```Peast::ES2023(source, options)``` or ```Peast::ES14(source, options)```: parse using EcmaScript 2023 (ES14) syntax * ```Peast::ES2024(source, options)``` or ```Peast::ES15(source, options)```: parse using EcmaScript 2024 (ES15) syntax * ```Peast::latest(source, options)```: parse using the latest EcmaScript syntax version implemented Options ------------- In the examples above you may have noticed the `$options` parameter. This parameter is an associative array that specifies parsing settings for the parser. Available options are: * "sourceType": this can be one of the source type constants defined in the Peast class: * `Peast\Peast::SOURCE_TYPE_SCRIPT`: this is the default source type and indicates that the code is a script, this means that `import` and `export` keywords are not parsed * `Peast\Peast::SOURCE_TYPE_MODULE`: this indicates that the code is a module and it activates the parsing of `import` and `export` keywords * "comments" (from version 1.5): enables comments parsing and attaches the comments to the nodes in the tree. You can get comments attached to nodes using `getLeadingComments` and `getTrailingComments` methods. * "jsx" (from version 1.8): enables parsing of JSX syntax. * "sourceEncoding": to specify the encoding of the code to parse, if not specified the parser will assume UTF-8. * "strictEncoding": if false the parser will handle invalid UTF8 characters in the source code by replacing them with the character defined in the "mbstring.substitute_character" ini setting, otherwise it will throw an exception. (available from version 1.9.4) Differences from ESTree ------------- There is only one big difference from ESTree: parenthesized expressions. This type of expressions have been introduced to let the user know if when an expression is wrapped in round brackets. For example `(a + b)` is a parenthesized expression and generates a ParenthesizedExpression node. From version 1.3, literals have their own classes: `StringLiteral`, `NumericLiteral`, `BooleanLiteral` and `NullLiteral`. From version 1.8, when parsing JSX, 2 new token types are emitted: `JSXIdentifier`, that represents a valid JSX identifier, and `JSXText`, that represents text inside JSX elements and fragments. From version 1.13.7, the new `rawName` property has been added to `Identifiers` nodes. This property reports the raw name of the identifier with unconverted unicode escape sequences. PK ! m�_� � doc/rendering.mdnu �Iw�� Rendering ========== **_From version 1.2_** To render an AST generated by Peast you need to create an instance of the **Renderer** class and associate a **Formatter** to it: ```php $source = "var a;"; //Generate the AST $ast = Peast\Peast::latest($source, $options)->parse(); //Create the renderer $renderer = new Peast\Renderer; //Associate the formatter $renderer->setFormatter(new Peast\Formatter\PrettyPrint); //Render the AST echo $renderer->render($ast); //"var a;" ``` Formatters ------------- A Formatter specifies how the Renderer must format the nodes to produce the output. Peast implements 3 formatters: **PrettyPrint**, **Compact** and **Expanded**. For example using this source code: ```js if (fn(param)) alert("Ok"); else alert("Fail"); ``` ##### PrettyPrint Produces a well formatted version of the code. ```js if (fn(param)) { alert("Ok"); } else { alert("Fail"); } ``` ##### Compact Produces a compact version of the code by removing whitespaces and optional brackets. ```js if (fn(param))alert("Ok");else alert("Fail"); ``` ##### Expanded An expanded version of PrettyPrint. ```js if ( fn( param ) ) { alert( "Ok" ); } else { alert( "Fail" ); } ``` Custom Formatter ------------- Peast allows you to create your own formatter. You can do it by creating a class that extends `Peast\Formatter\Base` class and overwriting its protected properties: ```php class MyFormatter extends Peast\Formatter\Base { //Use Windows style line endings protected $newLine = "\r\n"; } $renderer = new Peast\Renderer; $renderer->setFormatter(new MyFormatter); echo $renderer->render($ast); ``` Available properties are: * `$newLine`: line separator string (default: `"\n"`) * `$indentation`: indentation string (default: `"\t"`) * `$newLineBeforeCurlyBracket`: if true, open curly brackets of code blocks will be put on a new line (default: `false`) * `$alwaysWrapBlocks`: if true, curly brackets around code blocks will always be inserted, also when they are optional (default: `true`) * `$spacesAroundOperators`: if true, a space will be inserted before and after operators (default: `true`) * `$spacesInsideRoundBrackets`: if true, content inside round brackets will be surrounded by spaces (default: `false`) Shortcut method ------------- Every syntax node has its own `render` method that you can use as a shortcut. For example: ```php $ast = Peast\Peast::latest($source, $options)->parse(); $ast->render(new Peast\Formatter\PrettyPrint); //Equivalent to $ast = Peast\Peast::latest($source, $options)->parse(); $renderer = new Peast\Renderer; $renderer->setFormatter(new Peast\Formatter\PrettyPrint); $renderer->render($ast); ``` Comments rendering ------------- **_From version 1.14_** Comments can be rendered by passing `true` to the formatter constructor: ```php $ast = Peast\Peast::latest($source, array("comments" => true))->parse(); $ast->render(new Peast\Formatter\PrettyPrint(true)); ``` Note that comments can be rendered only when parser is enabled to collect them, to do this you must set the `comments` option to `true`. Also note that only PrettyPrint and Expanded formatters allow comments rendering, while Compact does not allow it by default. PK ! ru) � � doc/querying-by-selector.mdnu �Iw�� Querying By Selector ========== **_From version 1.12_** Inspired by [esquery](https://github.com/estools/esquery) project, Peast allows you to query the generated AST using a syntax similar to CSS selectors. This can be done using the **Query** class: ```php //Generate the AST $ast = Peast\Peast::latest($source, $options)->parse(); //Query the AST $query = new Peast\Query($ast, $options); $query->find("Literal[value='search me']"); ``` Or you can use the shortcut method on the `Program` node (the one returned by Peast parser): ```php //Generate the AST $ast = Peast\Peast::latest($source, $options)->parse(); //Query the AST $query = $ast->query("Literal[value='search me']"); ``` The shortcut method returns a Query instance. Options ------------- The Query class constructor takes an optional associative array of options. Available options are: * "encoding": to specify the encoding of the selector, if not specified the parser will assume UTF-8. Methods ------------- ### find The `find` method searches node that match the given selector starting from the current matching nodes. For example this code matches `FunctionDeclaration` nodes and then finds all the descendant `Literal` nodes: ```php $ast->query("FunctionDeclaration")->find("Literal"); ``` ### filter The `filter` method filters the current matching nodes and keeps only those that respect the given selector. For example this code matches `Literal` nodes and then keeps only the nodes whose value is 2: ```php $ast->query("FunctionDeclaration")->filter("[value=2]"); ``` ### count The `count` method returns the number of current matching nodes. You can also use the builtin `count` function: ```php $ast->query("FunctionDeclaration")->count(); //Or count($ast->query("FunctionDeclaration")); ``` ### get The `get` method returns the node at the given index: ```php //Returns the first matching node $ast->query("FunctionDeclaration")->get(0); ``` Iteration ------------- You can use the Query object in a foreach to loop all the matching nodes: ```php foreach ($ast->query("FunctionDeclaration") as $node) { //... } ``` Selectors syntax ------------- Note that Peast tries to preserve the order of the nodes in the AST, but that is not always possible, so you shouldn't rely on that. ### Filter by type You can filter nodes by their type simply writing it. For example `Literal` matches all the nodes whose type is Literal. ### Filter by attribute You can filter nodes by their attributes writing the name and optionally the value inside square brackets. There are several types of attribute filters: * `[value]` matches all the nodes that have a `value` attribute, without checking its value * `[value="test"]` matches all the nodes whose `value` attribute equals to the string "test" * `[value^="test"]` matches all the nodes whose `value` attribute starts with the string "test" * `[value*="test"]` matches all the nodes whose `value` attribute contains the string "test" * `[value$="test"]` matches all the nodes whose `value` attribute ends with the string "test" * `[value>2]` matches all the nodes whose `value` attribute is greater than 2 * `[value>=2]` matches all the nodes whose `value` attribute is greater or equals to 2 * `[value<2]` matches all the nodes whose `value` attribute is lower than 2 * `[value<=2]` matches all the nodes whose `value` attribute is lower or equals to 2 In attributes filters the type is very important because a selector like `[value="2"]` will match a node whose `value` attribute is the string "2" but not 2 as number. Available types are: * Strings: `[value="a"]` or `[value='a']` * Integer numbers: `[value=123]` or `[value=0xFFF]` or `[value=0b11011]` or `[value=0o77]` * Decimal numbers: `[value=1.23]` * Booleans: `[value=true]` or `[value=false]` * Null: `[value=null]` Strings can be escaped using the backslash character, for example `[value='That\'s great']` will find a value that equals to the string "That's great". You can perform case-insensitive comparison using this syntax `[value='search' i]`. You can also search using a regexp in this way: `[value=/test\d+/i]`. Sometimes it's useful to check also inner attributes, you can do it by separating attributes name with a dot. For example `FunctionDeclaration[id.name='funcName']` matches all `FunctionDeclaration` whose `id` attribute has a `name` attribute with the value "funcName". ### Filter by pseudo selector Pseudo selectors begin with `:` and can optionally accept arguments wrapped in parentheses. There are 3 groups of pseudo selectors: ###### Simple pseudo selector These selectors don't accept any argument. * `:first-child` matches nodes that are the first child of their parent * `:last-child` matches nodes that are the first child of their parent * `:pattern` matches nodes that implement the `Pattern` interface * `:statement` matches nodes that implement the `Statement` interface * `:expression` matches nodes that implement the `Expression` interface * `:declaration` matches nodes that implement the `Declaration` interface ###### Positional pseudo selector These selectors accept a number or a An+B syntax, where A represents the step and B is the starting offset. Remember that the index is 1-based, so the first node is 1. You can read more about the arguments accepted by these select on [MDN](https://developer.mozilla.org/en-US/docs/Web/CSS/:nth-child). * `:nth-child` matches nodes that respects the given index in their parent children list. For example: `:nth-child(5n+3)` matches every 5th node starting from the 3rd one. * `:nth-last-child` matches nodes that respects the given index in their parent children list, starting from the end. For example: `:nth-last-child(1)` matches a node that is the last child of its parent. You can also use `even` and `odd` as arguments to match even and odds nodes. ###### Inner selector pseudo selector These selectors accept a inner selector. * `:is` matches a node that respect the given selector. For example `Literal:is([value=2], [value=3])` matches `Literal` nodes whose `value` is 2 or 3 * `:not` matches a node that do not respect the given selector. For example `Literal:not([value=2], [value=3])` matches `Literal` nodes whose `value` is not 2 or 3 * `:has` matches a node whose descendant match the given selector. For example `AssignmentExpression:has(Literal[value="string""])` matches `AssignmentExpression` nodes that contain `Literal` nodes whose `value` is "string" ### Combinators Combinators are used for match other nodes relative to the current. * Descendant: the space can be used to match descendant nodes. For example `AssignmentExpression Literal` matches `Literal` nodes inside `AssignmentExpression` nodes, even if they are not direct children * Children: the `>` character can be used to match child nodes. For example `ArrayExpression > Literal` matches a `Literal` nodes that are children of `ArrayExpression` nodes * Adjacent Sibling: the `+` character can be used to match nodes that follow other nodes. For example `FunctionDeclaration + VariableDeclaration` matches the first `VariableDeclaration` nodes that follow `FunctionDeclaration` nodes * General Sibling: the `~` character can be used to match all the nodes that follow other nodes. For example `FunctionDeclaration ~ VariableDeclaration` matches all the `VariableDeclaration` nodes that follow `FunctionDeclaration` nodes ### Groups A selector can contain multiple selector groups separated by commas. For example: `Literal, ArrayExpression` match all the `Literal` and `ArrayExpression` nodes.PK ! er�<� � doc/tree-traversing.mdnu �Iw�� Tree Traversing ========== **_From version 1.1_** To traverse an AST generated by Peast you can use the **Traverser** class: ```php //Generate the AST $ast = Peast\Peast::latest($source, $options)->parse(); //Set up the Traverser $traverser = new Peast\Traverser; $traverser->addFunction(function ($node) { //Do something with the current node }); //Start traversing $traverser->traverse($ast); ``` You can add one or more functions to the Traverser using the `addFunction` method. These functions receive the current traversed node while the Traverser runs on the tree. The `traverse` method runs the traversing starting from the given node. Options ------------- **_From version 1.12_** The Traverser class constructor takes an optional associative array of options. Available options are: * "skipStartingNode": by default the traversing begins with the starting node passed to the `traverse` method. If this option is set to true the starting node will be ignored. * "passParentNode": by default the functions added to the Traverser receive the traversed node as the only argument. if this option is set to true the node's parent node will be passed as second argument to all the functions. Note that the parent node is calculated during traversing, so for the starting node it will always be null. Tree manipulation ------------- Functions added to the Traverser instance can alter the tree during the traversing by modifying, replacing or removing the node they receive and they can also control the behaviour of the Traverser to make it stop or skip the node's children. Traverser class provides some constants to perform these operations: * `Traverser::REMOVE_NODE`: removes the node * `Traverser::DONT_TRAVERSE_CHILD_NODES`: skips the node's children * `Traverser::STOP_TRAVERSING`: stops the traversing The action that will be executed depends on the value returned by the functions. If you want to remove a node the function must return the `Traverser::REMOVE_NODE` constant: ```php $traverser->addFunction(function ($node) { //Remove all literal nodes if ($node->getType() === "Literal") { return Peast\Traverser::REMOVE_NODE; } }); ``` If you want to control the traversing you can return `Traverser::DONT_TRAVERSE_CHILD_NODES` or `Traverser::STOP_TRAVERSING` constants: ```php $traverser->addFunction(function ($node) { //Skip nodes inside array expressions if ($node->getType() === "ArrayExpression") { return Peast\Traverser::DONT_TRAVERSE_CHILD_NODES; } //Stop the traversing when an identifier named "stop" is found elseif ($node->getType() === "Identifier" && $node->getName() === "stop") { return Peast\Traverser::STOP_TRAVERSING; } }); ``` You can also return a combination of these constants: ```php $traverser->addFunction(function ($node) { //Remove the string "test" and then stop the traversing if ($node->getType() === "Literal" && $node->getValue() === "test") { return Peast\Traverser::REMOVE_NODE | Peast\Traverser::STOP_TRAVERSING; } }); ``` To replace a node you must return the replacement node: ```php $traverser->addFunction(function ($node) { //Replace the number 2 with 1 if ($node->getType() === "Literal" && $node->getValue() === 2) { $literal = new \Peast\Syntax\Node\NumericLiteral(); return $literal->setValue(1); } }); ``` You can also control the traversing and replace a node in the same function: ```php $traverser->addFunction(function ($node) { //Replace an array expression with an object expression without traversing its children if ($node->getType() === "ArrayExpression") { $obj = new \Peast\Syntax\Node\ObjectExpression(); return array($obj, Peast\Traverser::DONT_TRAVERSE_CHILD_NODES); } }); ``` If the function returns any other value or nothing, no action will be executed and you can modify nodes without altering the tree structure: ```php use Peast\Syntax\Node\StringLiteral; $traverser->addFunction(function ($node) { //Make all the strings uppercase if ($node->getType() === "Literal" && $node instanceof StringLiteral) { $node->setValue(strtoupper($node->getValue())); } }); ``` Shortcut method ------------- Every node implements a `traverse` method as a shortcut to initialize a traverser on itself: ```php $traversingFn = function ($node) { /* ... */ }; //Traverse $ast node $ast->traverse($traversingFn, $options); //Equivalent to $traverser = new Peast\Traverser; $traverser->addFunction($traversingFn)->traverse($ast); ```PK ! ��� doc/changelog.mdnu �Iw�� Changelog ========== #### 1.16.3 * Removed implicitly nullable parameter declarations for PHP 8.4 compatibility #### 1.16.2 * Fixed bug where a regex that started with `/=` raised a syntax error #### 1.16.1 * Fixed bug where, in some situations, scanner allowed invalid characters after a slash #### 1.16.0 * Implemented ES2024 parser, no new syntax features have been introduced * Fixed bug when parsing sequence expressions using older ES versions #### 1.15.4 * Fixed rendering of `let` and `const` inside `switch` cases that always require brackets #### 1.15.3 * Fixed rendering of `let` and `const` inside `if`, `for` and `while` that always require brackets #### 1.15.2 * Fixed bug where async keyword was lost when rendering an object async method #### 1.15.1 * Fixed bug on hashbang comment detection #### 1.15.0 * Implemented ES2022 parser with hashbang comments #### 1.14.0 * Implemented comments rendering #### 1.13.11 * Fixed a case of conditional expression parsed as a wrong optional chain #### 1.13.10 * Added support for php 8.1 * Fixed parsing of multiline template literals in return statements #### 1.13.9 * Implemented parsing of arbitrary module namespace identifier names #### 1.13.8 * Fixed identifiers bug introduced in the last release #### 1.13.7 * Implemented parsing of top level await * Implemented parsing of `#field in obj` syntax * Implemented parsing of class static block * Aligned invalid octal numbers checks to the specification * __BC break__: identifier tokens' value now report their raw name, this means that unicode escape sequences are reported as they are written in the code, without converting them to their corresponding characters. Identifier nodes have a new property called `rawName` that contains their raw name, including unconverted unicode escape sequences, while the `name` property still contains the converted value as before. Renderer now prints `rawName` for identifiers to prevent automatic conversion of escaped keywords. #### 1.13.6 * Fixed parsing of adjacent JSX expressions * Implemented parsing of JSX fragments inside elements #### 1.13.5 * Fixed parsing of `get` and `set` as property names and class fields * Fixed parsing of dot after number with exponential notation #### 1.13.4 * Fixed bug when parsing surrogate pairs in php 7.4+ #### 1.13.3 * Added support for surrogate pairs in strings and templates #### 1.13.2 * Fixed bug when parsing spread operator inside objects returned by arrow functions #### 1.13.1 * Major performance improvements to parsing and tokenization #### 1.13.0 * Implemented ES2022 parser with class fields and private class methods #### 1.12.0 * Added options array to Traverser constructor and shortcut method on nodes * Added Query class #### 1.11.0 * Implemented ES2021 parser with logical assignment operators and numeric separators #### 1.10.4 * Implemented parsing of coalescing operator * Implemented parsing of optional chaining * Fixed bug when parsing a semicolon on a new line after break and continue statements #### 1.10.3 * Implemented parsing of `import.meta` syntax * Implemented parsing of BigIntLiteral as objects keys #### 1.10.2 * Implemented parsing of `export * as ns from "source"` syntax * Fixed Renderer so that it won't trust computed flag in MemberExpression if property is not an Identifier #### 1.10.1 * Fixed parsing of semicolon after do-while statement #### 1.10.0 * Implemented ES2020 parser with dynamic import and BigInt * Implemented handling of UTF-8 and UTF-16 BOM when parsing the source * Fixed wrong rendering of unary and update expressions inside binary expressions in compact mode * __BC break__: major refactoring to delete all parsers except the base one and replace them with new Features classes that specify enabled parser features. This will remove duplicated code and makes the parser easier to extend with new features. #### 1.9.4 * Handled invalid UTF-8 characters in the source code by throwing an exception or replacing them with a substitution character by setting the new strictEncoding option to false * Fixed bug when rendering object properties with equal key and value #### 1.9.3 * Fixed another bug when rendering nested "if" statements with Compact formatter #### 1.9.2 * Fixed rendering of nested "if" statements with Compact formatter #### 1.9.1 * Fixed rendering of arrow functions that generates invalid code #### 1.9 * Added ES2019 parser #### 1.8.1 * Fixed parsing of regular expressions by disabling scan errors inside them * Added LSM utility class to handle correctly punctuators and strings stop characters #### 1.8 * Implemented parsing of JSX syntax #### 1.7 * Implemented missing features of es2018: object rest and spread, async generators and async iteration #### 1.6 * Fixed a lot of bugs and now Peast is compatible with all the [ECMAScript official tests](https://github.com/tc39/test262) for the implemented features. You can test Peast against ECMAScript tests using the [peast-test262](https://github.com/mck89/peast-test262) repository. * Added ES2018 parser #### 1.5 * Enabled JSON serialization of nodes and tokens using json_encode() * Added parsing and handling of comments #### 1.4 * Since EcmaScript dropped support for ES(Number) in favour of ES(Year) versions: * `ES6` namespace have been replaced by `ES2015` * `Peast::ES2015` method have been added to Peast main class, `Peast::ES6` method still exists to preserve BC and calls `Peast::ES2015` internally * `ES7` namespace have been replaced by `ES2016` * `Peast::ES2016` method have been added to Peast main class, `Peast::ES7` method still exists to preserve BC and calls `Peast::ES2016` internally * `Peast::latest` method have been added to Peast main class to allow parsing with the latest EcmaScript version implemented * Added ES2017 parser #### 1.3 * Refactored parser to make it more extensible * More accurate parsing of identifiers * Added parsing of HTML comments if source is not a module * Added some validations: * Disallowed legacy octal escape syntax (\07) in templates * Disallowed legacy octal escape syntax (\07) in strings if strict mode * Disallowed legacy octal syntax (077) for numbers if strict mode * Disallowed `delete` followed by single identifiers in strict mode * Disallowed labelled function declarations in strict mode * Allowed `if (...) function () {}` syntax if not in strict mode * __BC break__: removed Function_ and Class_ interfaces and traits and replaced them with abstract classes * __BC break__: if sourceEncoding is not specified, the parser won't try to autodetect it, but will assume UTF-8 * __BC break__: Literal is now an abstract class that is extended by the new classes for literals: StringLiteral, NumericLiteral, BooleanLiteral and NullLiteral #### 1.2 * Added Renderer class #### 1.1 * Added Traverser class #### 1.0 * First release with ES6 and ES7 parsers PK ! 7���� � LICENSEnu �Iw�� Copyright (c) 2024, Marco Marchiò All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: 1) Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. 2) Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. 3) Neither the name of Marco Marchiò nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.PK ! 3� >� � composer.jsonnu �Iw�� { "name": "mck89/peast", "description": "Peast is PHP library that generates AST for JavaScript code", "license": "BSD-3-Clause", "authors": [ { "name": "Marco Marchiò", "email": "marco.mm89@gmail.com" } ], "require": { "php": ">=5.4.0", "ext-mbstring": "*" }, "require-dev": { "phpunit/phpunit": "^4.0 || ^5.0 || ^6.0 || ^7.0 || ^8.0 || ^9.0" }, "autoload": { "psr-4": { "Peast\\": "lib/Peast/" } }, "autoload-dev": { "psr-4": { "Peast\\test\\": "test/Peast/" } }, "extra": { "branch-alias": { "dev-master": "1.16.3-dev" } } } PK ! �fw�� � README.mdnu �Iw�� PK ! tEZA A 0 lib/Peast/Peast.phpnu �Iw�� PK ! �=�l l �& lib/Peast/Formatter/Base.phpnu �Iw�� PK ! �j��r r # l7 lib/Peast/Formatter/PrettyPrint.phpnu �Iw�� PK ! ��x� � 19 lib/Peast/Formatter/Expanded.phpnu �Iw�� PK ! �o�G G h< lib/Peast/Formatter/Compact.phpnu �Iw�� PK ! 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