1
0
mirror of https://github.com/danog/psalm.git synced 2024-12-13 01:37:23 +01:00
psalm/src/Psalm/Internal/Analyzer/CanAlias.php
LeSuisse f29826b958 Fully qualify constants and function calls (#1849)
This should give a small performance boost.
Part of #1837.

The change is enforced via phpcs and can be autofixed
with phpcbf.
2019-06-26 16:52:29 -04:00

167 lines
5.3 KiB
PHP

<?php
namespace Psalm\Internal\Analyzer;
use PhpParser;
use Psalm\Aliases;
use Psalm\CodeLocation;
use Psalm\Internal\FileManipulation\FileManipulationBuffer;
use function implode;
use function strtolower;
trait CanAlias
{
/**
* @var array<string, string>
*/
private $aliased_classes = [];
/**
* @var array<string, CodeLocation>
*/
private $aliased_class_locations = [];
/**
* @var array<string, string>
*/
private $aliased_classes_flipped = [];
/**
* @var array<string, string>
*/
private $aliased_classes_flipped_replaceable = [];
/**
* @var array<string, string>
*/
private $aliased_functions = [];
/**
* @var array<string, string>
*/
private $aliased_constants = [];
/**
* @param PhpParser\Node\Stmt\Use_ $stmt
*
* @return void
*/
public function visitUse(PhpParser\Node\Stmt\Use_ $stmt)
{
$codebase = $this->getCodebase();
foreach ($stmt->uses as $use) {
$use_path = implode('\\', $use->name->parts);
$use_alias = $use->alias ? $use->alias->name : $use->name->getLast();
switch ($use->type !== PhpParser\Node\Stmt\Use_::TYPE_UNKNOWN ? $use->type : $stmt->type) {
case PhpParser\Node\Stmt\Use_::TYPE_FUNCTION:
$this->aliased_functions[strtolower($use_alias)] = $use_path;
break;
case PhpParser\Node\Stmt\Use_::TYPE_CONSTANT:
$this->aliased_constants[$use_alias] = $use_path;
break;
case PhpParser\Node\Stmt\Use_::TYPE_NORMAL:
if ($codebase->collect_locations) {
// register the path
$codebase->use_referencing_locations[strtolower($use_path)][] =
new \Psalm\CodeLocation($this, $use);
$codebase->use_referencing_files[$this->getFilePath()][strtolower($use_path)] = true;
}
if ($codebase->alter_code) {
if (isset($codebase->class_transforms[strtolower($use_path)])) {
$new_fq_class_name = $codebase->class_transforms[strtolower($use_path)];
$file_manipulations = [];
$file_manipulations[] = new \Psalm\FileManipulation(
(int) $use->getAttribute('startFilePos'),
(int) $use->getAttribute('endFilePos') + 1,
$new_fq_class_name . ($use->alias ? ' as ' . $use_alias : '')
);
FileManipulationBuffer::add($this->getFilePath(), $file_manipulations);
}
$this->aliased_classes_flipped_replaceable[strtolower($use_path)] = $use_alias;
}
$this->aliased_classes[strtolower($use_alias)] = $use_path;
$this->aliased_class_locations[strtolower($use_alias)] = new CodeLocation($this, $stmt);
$this->aliased_classes_flipped[strtolower($use_path)] = $use_alias;
break;
}
}
}
/**
* @param PhpParser\Node\Stmt\GroupUse $stmt
*
* @return void
*/
public function visitGroupUse(PhpParser\Node\Stmt\GroupUse $stmt)
{
$use_prefix = implode('\\', $stmt->prefix->parts);
$codebase = $this->getCodebase();
foreach ($stmt->uses as $use) {
$use_path = $use_prefix . '\\' . implode('\\', $use->name->parts);
$use_alias = $use->alias ? $use->alias->name : $use->name->getLast();
switch ($use->type !== PhpParser\Node\Stmt\Use_::TYPE_UNKNOWN ? $use->type : $stmt->type) {
case PhpParser\Node\Stmt\Use_::TYPE_FUNCTION:
$this->aliased_functions[strtolower($use_alias)] = $use_path;
break;
case PhpParser\Node\Stmt\Use_::TYPE_CONSTANT:
$this->aliased_constants[$use_alias] = $use_path;
break;
case PhpParser\Node\Stmt\Use_::TYPE_NORMAL:
if ($codebase->collect_locations) {
// register the path
$codebase->use_referencing_locations[strtolower($use_path)][] =
new \Psalm\CodeLocation($this, $use);
}
$this->aliased_classes[strtolower($use_alias)] = $use_path;
$this->aliased_classes_flipped[strtolower($use_path)] = $use_alias;
break;
}
}
}
/**
* @return array<string, string>
*/
public function getAliasedClassesFlipped()
{
return $this->aliased_classes_flipped;
}
/**
* @return array<string, string>
*/
public function getAliasedClassesFlippedReplaceable()
{
return $this->aliased_classes_flipped_replaceable;
}
/**
* @return Aliases
*/
public function getAliases()
{
return new Aliases(
$this->getNamespace(),
$this->aliased_classes,
$this->aliased_functions,
$this->aliased_constants
);
}
}