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<?php |
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/****************************************************************************** |
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* An implementation of dicto (scg.unibe.ch/dicto) in and for PHP. |
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* |
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* Copyright (c) 2016, 2015 Richard Klees <[email protected]> |
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* |
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* This software is licensed under The MIT License. You should have received |
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* a copy of the license along with the code. |
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*/ |
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namespace Lechimp\Dicto\Indexer; |
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/** |
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* Visitor that wraps an ASTVisitor to make it compatible with PhpParser. |
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*/ |
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class AdapterVisitor implements \PhpParser\NodeVisitor { |
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/** |
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* @var LocationImpl |
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*/ |
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protected $location; |
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/** |
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* @var Insert |
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*/ |
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protected $insert; |
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/** |
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* @var ASTVisitor |
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*/ |
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protected $visitor; |
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/** |
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* This is used to exit early in enterNode and to break enterNode apart |
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* into many methods. |
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* |
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* @var array<string,string> |
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*/ |
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protected $jump_labels; |
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public function __construct(LocationImpl $location, Insert $insert, ASTVisitor $visitor) { |
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$this->location = $location; |
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$this->insert = $insert; |
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$this->visitor = $visitor; |
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$this->jump_labels = $visitor->visitorJumpLabels(); |
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assert('$this->jump_labels_are_correct()'); |
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} |
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protected function jump_labels_are_correct() { |
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if (!is_array($this->jump_labels)) { |
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return false; |
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} |
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foreach ($this->jump_labels as $label => $method) { |
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if (!is_callable(array($this->visitor, $method))) { |
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return false; |
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} |
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} |
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return true; |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function beforeTraverse(array $nodes) { |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function afterTraverse(array $nodes) { |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function enterNode(\PhpParser\Node $node) { |
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$cls = get_class($node); |
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if (isset($this->jump_labels[$cls])) { |
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$this->location->set_current_node($node); |
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$name = $this->jump_labels[$cls]; |
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$this->visitor->$name($this->insert, $this->location, $node); |
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$this->location->flush_current_node(); |
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} |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function leaveNode(\PhpParser\Node $node) { |
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} |
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} |
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lechimp-p /
dicto.php
