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Direktori : /home2/selectio/public_html/3-idiots/vendor/nikic/php-parser/lib/PhpParser/ |
Current File : /home2/selectio/public_html/3-idiots/vendor/nikic/php-parser/lib/PhpParser/NodeDumper.php |
<?php declare(strict_types=1); namespace PhpParser; use PhpParser\Node\Expr\Include_; use PhpParser\Node\Stmt\Class_; use PhpParser\Node\Stmt\GroupUse; use PhpParser\Node\Stmt\Use_; use PhpParser\Node\Stmt\UseUse; class NodeDumper { private $dumpComments; private $dumpPositions; private $code; /** * Constructs a NodeDumper. * * Supported options: * * bool dumpComments: Whether comments should be dumped. * * bool dumpPositions: Whether line/offset information should be dumped. To dump offset * information, the code needs to be passed to dump(). * * @param array $options Options (see description) */ public function __construct(array $options = []) { $this->dumpComments = !empty($options['dumpComments']); $this->dumpPositions = !empty($options['dumpPositions']); } /** * Dumps a node or array. * * @param array|Node $node Node or array to dump * @param string|null $code Code corresponding to dumped AST. This only needs to be passed if * the dumpPositions option is enabled and the dumping of node offsets * is desired. * * @return string Dumped value */ public function dump($node, string $code = null) : string { $this->code = $code; return $this->dumpRecursive($node); } protected function dumpRecursive($node) { if ($node instanceof Node) { $r = $node->getType(); if ($this->dumpPositions && null !== $p = $this->dumpPosition($node)) { $r .= $p; } $r .= '('; foreach ($node->getSubNodeNames() as $key) { $r .= "\n " . $key . ': '; $value = $node->$key; if (null === $value) { $r .= 'null'; } elseif (false === $value) { $r .= 'false'; } elseif (true === $value) { $r .= 'true'; } elseif (is_scalar($value)) { if ('flags' === $key || 'newModifier' === $key) { $r .= $this->dumpFlags($value); } elseif ('type' === $key && $node instanceof Include_) { $r .= $this->dumpIncludeType($value); } elseif ('type' === $key && ($node instanceof Use_ || $node instanceof UseUse || $node instanceof GroupUse)) { $r .= $this->dumpUseType($value); } else { $r .= $value; } } else { $r .= str_replace("\n", "\n ", $this->dumpRecursive($value)); } } if ($this->dumpComments && $comments = $node->getComments()) { $r .= "\n comments: " . str_replace("\n", "\n ", $this->dumpRecursive($comments)); } } elseif (is_array($node)) { $r = 'array('; foreach ($node as $key => $value) { $r .= "\n " . $key . ': '; if (null === $value) { $r .= 'null'; } elseif (false === $value) { $r .= 'false'; } elseif (true === $value) { $r .= 'true'; } elseif (is_scalar($value)) { $r .= $value; } else { $r .= str_replace("\n", "\n ", $this->dumpRecursive($value)); } } } elseif ($node instanceof Comment) { return $node->getReformattedText(); } else { throw new \InvalidArgumentException('Can only dump nodes and arrays.'); } return $r . "\n)"; } protected function dumpFlags($flags) { $strs = []; if ($flags & Class_::MODIFIER_PUBLIC) { $strs[] = 'MODIFIER_PUBLIC'; } if ($flags & Class_::MODIFIER_PROTECTED) { $strs[] = 'MODIFIER_PROTECTED'; } if ($flags & Class_::MODIFIER_PRIVATE) { $strs[] = 'MODIFIER_PRIVATE'; } if ($flags & Class_::MODIFIER_ABSTRACT) { $strs[] = 'MODIFIER_ABSTRACT'; } if ($flags & Class_::MODIFIER_STATIC) { $strs[] = 'MODIFIER_STATIC'; } if ($flags & Class_::MODIFIER_FINAL) { $strs[] = 'MODIFIER_FINAL'; } if ($flags & Class_::MODIFIER_READONLY) { $strs[] = 'MODIFIER_READONLY'; } if ($strs) { return implode(' | ', $strs) . ' (' . $flags . ')'; } else { return $flags; } } protected function dumpIncludeType($type) { $map = [ Include_::TYPE_INCLUDE => 'TYPE_INCLUDE', Include_::TYPE_INCLUDE_ONCE => 'TYPE_INCLUDE_ONCE', Include_::TYPE_REQUIRE => 'TYPE_REQUIRE', Include_::TYPE_REQUIRE_ONCE => 'TYPE_REQUIRE_ONCE', ]; if (!isset($map[$type])) { return $type; } return $map[$type] . ' (' . $type . ')'; } protected function dumpUseType($type) { $map = [ Use_::TYPE_UNKNOWN => 'TYPE_UNKNOWN', Use_::TYPE_NORMAL => 'TYPE_NORMAL', Use_::TYPE_FUNCTION => 'TYPE_FUNCTION', Use_::TYPE_CONSTANT => 'TYPE_CONSTANT', ]; if (!isset($map[$type])) { return $type; } return $map[$type] . ' (' . $type . ')'; } /** * Dump node position, if possible. * * @param Node $node Node for which to dump position * * @return string|null Dump of position, or null if position information not available */ protected function dumpPosition(Node $node) { if (!$node->hasAttribute('startLine') || !$node->hasAttribute('endLine')) { return null; } $start = $node->getStartLine(); $end = $node->getEndLine(); if ($node->hasAttribute('startFilePos') && $node->hasAttribute('endFilePos') && null !== $this->code ) { $start .= ':' . $this->toColumn($this->code, $node->getStartFilePos()); $end .= ':' . $this->toColumn($this->code, $node->getEndFilePos()); } return "[$start - $end]"; } // Copied from Error class private function toColumn($code, $pos) { if ($pos > strlen($code)) { throw new \RuntimeException('Invalid position information'); } $lineStartPos = strrpos($code, "\n", $pos - strlen($code)); if (false === $lineStartPos) { $lineStartPos = -1; } return $pos - $lineStartPos; } }