2017-01-07 20:35:07 +01:00
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<?php
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2018-11-06 03:57:36 +01:00
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namespace Psalm\Internal\Analyzer;
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2017-01-07 20:35:07 +01:00
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use PhpParser;
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2017-07-25 22:11:02 +02:00
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use Psalm\Aliases;
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2017-03-11 01:36:17 +01:00
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use Psalm\CodeLocation;
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2019-06-06 04:13:33 +02:00
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use Psalm\Internal\FileManipulation\FileManipulationBuffer;
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2017-01-07 20:35:07 +01:00
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trait CanAlias
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{
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/**
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* @var array<string, string>
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*/
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2017-02-12 00:56:38 +01:00
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private $aliased_classes = [];
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2017-01-07 20:35:07 +01:00
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2017-03-11 01:36:17 +01:00
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/**
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* @var array<string, CodeLocation>
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*/
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private $aliased_class_locations = [];
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2017-01-07 20:35:07 +01:00
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/**
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* @var array<string, string>
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*/
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2017-02-12 00:56:38 +01:00
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private $aliased_classes_flipped = [];
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2017-01-07 20:35:07 +01:00
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2019-06-06 04:13:33 +02:00
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/**
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* @var array<string, string>
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*/
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private $aliased_classes_flipped_replaceable = [];
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2017-01-07 20:35:07 +01:00
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/**
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* @var array<string, string>
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*/
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2017-02-12 00:56:38 +01:00
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private $aliased_functions = [];
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2017-01-07 20:35:07 +01:00
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/**
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* @var array<string, string>
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*/
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2017-02-12 00:56:38 +01:00
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private $aliased_constants = [];
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2017-01-07 20:35:07 +01:00
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/**
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* @param PhpParser\Node\Stmt\Use_ $stmt
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2017-05-27 02:16:18 +02:00
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*
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2017-01-07 20:35:07 +01:00
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* @return void
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*/
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public function visitUse(PhpParser\Node\Stmt\Use_ $stmt)
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{
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2019-06-06 04:13:33 +02:00
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$codebase = $this->getCodebase();
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2017-01-07 20:35:07 +01:00
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foreach ($stmt->uses as $use) {
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$use_path = implode('\\', $use->name->parts);
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2018-04-17 18:16:25 +02:00
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$use_alias = $use->alias ? $use->alias->name : $use->name->getLast();
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2017-01-07 20:35:07 +01:00
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switch ($use->type !== PhpParser\Node\Stmt\Use_::TYPE_UNKNOWN ? $use->type : $stmt->type) {
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case PhpParser\Node\Stmt\Use_::TYPE_FUNCTION:
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2018-04-17 18:16:25 +02:00
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$this->aliased_functions[strtolower($use_alias)] = $use_path;
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2017-01-07 20:35:07 +01:00
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break;
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case PhpParser\Node\Stmt\Use_::TYPE_CONSTANT:
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2018-04-17 18:16:25 +02:00
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$this->aliased_constants[$use_alias] = $use_path;
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2017-01-07 20:35:07 +01:00
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break;
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case PhpParser\Node\Stmt\Use_::TYPE_NORMAL:
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2019-06-06 04:13:33 +02:00
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if ($codebase->collect_locations) {
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2017-02-28 00:24:20 +01:00
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// register the path
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2019-04-13 00:28:07 +02:00
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$codebase->use_referencing_locations[strtolower($use_path)][] =
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2017-02-28 00:24:20 +01:00
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new \Psalm\CodeLocation($this, $use);
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2017-03-11 01:36:17 +01:00
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2018-01-21 19:38:51 +01:00
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$codebase->use_referencing_files[$this->getFilePath()][strtolower($use_path)] = true;
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2017-02-28 00:24:20 +01:00
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}
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2019-06-06 04:13:33 +02:00
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if ($codebase->alter_code) {
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if (isset($codebase->class_transforms[strtolower($use_path)])) {
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$new_fq_class_name = $codebase->class_transforms[strtolower($use_path)];
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$file_manipulations = [];
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$file_manipulations[] = new \Psalm\FileManipulation(
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(int) $use->getAttribute('startFilePos'),
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(int) $use->getAttribute('endFilePos') + 1,
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$new_fq_class_name
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);
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FileManipulationBuffer::add($this->getFilePath(), $file_manipulations);
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}
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$this->aliased_classes_flipped_replaceable[strtolower($use_path)] = $use_alias;
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}
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2018-04-17 18:16:25 +02:00
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$this->aliased_classes[strtolower($use_alias)] = $use_path;
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$this->aliased_class_locations[strtolower($use_alias)] = new CodeLocation($this, $stmt);
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$this->aliased_classes_flipped[strtolower($use_path)] = $use_alias;
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2017-01-07 20:35:07 +01:00
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break;
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}
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}
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}
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/**
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* @param PhpParser\Node\Stmt\GroupUse $stmt
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2017-05-27 02:16:18 +02:00
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*
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2017-01-07 20:35:07 +01:00
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* @return void
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*/
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public function visitGroupUse(PhpParser\Node\Stmt\GroupUse $stmt)
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{
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$use_prefix = implode('\\', $stmt->prefix->parts);
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2019-06-06 04:13:33 +02:00
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$codebase = $this->getCodebase();
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2017-01-07 20:35:07 +01:00
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foreach ($stmt->uses as $use) {
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$use_path = $use_prefix . '\\' . implode('\\', $use->name->parts);
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2018-04-17 18:16:25 +02:00
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$use_alias = $use->alias ? $use->alias->name : $use->name->getLast();
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2017-01-07 20:35:07 +01:00
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switch ($use->type !== PhpParser\Node\Stmt\Use_::TYPE_UNKNOWN ? $use->type : $stmt->type) {
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case PhpParser\Node\Stmt\Use_::TYPE_FUNCTION:
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2018-04-17 18:16:25 +02:00
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$this->aliased_functions[strtolower($use_alias)] = $use_path;
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2017-01-07 20:35:07 +01:00
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break;
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case PhpParser\Node\Stmt\Use_::TYPE_CONSTANT:
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2018-04-17 18:16:25 +02:00
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$this->aliased_constants[$use_alias] = $use_path;
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2017-01-07 20:35:07 +01:00
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break;
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case PhpParser\Node\Stmt\Use_::TYPE_NORMAL:
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2019-06-06 04:13:33 +02:00
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if ($codebase->collect_locations) {
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2017-02-28 00:24:20 +01:00
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// register the path
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2019-04-13 00:28:07 +02:00
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$codebase->use_referencing_locations[strtolower($use_path)][] =
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2017-02-28 00:24:20 +01:00
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new \Psalm\CodeLocation($this, $use);
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}
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2018-04-17 18:16:25 +02:00
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$this->aliased_classes[strtolower($use_alias)] = $use_path;
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$this->aliased_classes_flipped[strtolower($use_path)] = $use_alias;
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2017-01-07 20:35:07 +01:00
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break;
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}
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}
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}
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/**
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* @return array<string, string>
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*/
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public function getAliasedClassesFlipped()
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{
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return $this->aliased_classes_flipped;
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}
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2019-06-06 04:13:33 +02:00
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/**
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* @return array<string, string>
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*/
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public function getAliasedClassesFlippedReplaceable()
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{
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return $this->aliased_classes_flipped_replaceable;
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}
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2017-12-29 17:26:28 +01:00
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/**
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* @return Aliases
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*/
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2017-07-25 22:11:02 +02:00
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public function getAliases()
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2017-01-07 20:35:07 +01:00
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{
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2017-07-25 22:11:02 +02:00
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return new Aliases(
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$this->getNamespace(),
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$this->aliased_classes,
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$this->aliased_functions,
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$this->aliased_constants
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);
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2017-01-07 20:35:07 +01:00
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}
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}
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