mirror of
https://github.com/rectorphp/rector.git
synced 2024-06-08 04:10:51 +00:00
f3d9b9c31c
5493b6dc13
[DX] Re-use configure() in docs + remove prefixing of ValueObjectInliner (#1410)
98 lines
3.9 KiB
PHP
98 lines
3.9 KiB
PHP
<?php
|
|
|
|
declare (strict_types=1);
|
|
namespace Rector\ReadWrite\Guard;
|
|
|
|
use PhpParser\Node\Arg;
|
|
use PhpParser\Node\Expr\FuncCall;
|
|
use PhpParser\Node\Name;
|
|
use PHPStan\Analyser\Scope;
|
|
use PHPStan\Reflection\FunctionReflection;
|
|
use PHPStan\Reflection\ParameterReflection;
|
|
use PHPStan\Reflection\ParametersAcceptorSelector;
|
|
use PHPStan\Reflection\ReflectionProvider;
|
|
use Rector\Core\Exception\ShouldNotHappenException;
|
|
use Rector\NodeNameResolver\NodeNameResolver;
|
|
use Rector\NodeTypeResolver\Node\AttributeKey;
|
|
final class VariableToConstantGuard
|
|
{
|
|
/**
|
|
* @var array<string, array<int>>
|
|
*/
|
|
private $referencePositionsByFunctionName = [];
|
|
/**
|
|
* @readonly
|
|
* @var \Rector\NodeNameResolver\NodeNameResolver
|
|
*/
|
|
private $nodeNameResolver;
|
|
/**
|
|
* @readonly
|
|
* @var \PHPStan\Reflection\ReflectionProvider
|
|
*/
|
|
private $reflectionProvider;
|
|
public function __construct(\Rector\NodeNameResolver\NodeNameResolver $nodeNameResolver, \PHPStan\Reflection\ReflectionProvider $reflectionProvider)
|
|
{
|
|
$this->nodeNameResolver = $nodeNameResolver;
|
|
$this->reflectionProvider = $reflectionProvider;
|
|
}
|
|
public function isReadArg(\PhpParser\Node\Arg $arg) : bool
|
|
{
|
|
$parentParent = $arg->getAttribute(\Rector\NodeTypeResolver\Node\AttributeKey::PARENT_NODE);
|
|
if (!$parentParent instanceof \PhpParser\Node\Expr\FuncCall) {
|
|
return \true;
|
|
}
|
|
$functionNameString = $this->nodeNameResolver->getName($parentParent);
|
|
if ($functionNameString === null) {
|
|
return \true;
|
|
}
|
|
$functionName = new \PhpParser\Node\Name($functionNameString);
|
|
$argScope = $arg->getAttribute(\Rector\NodeTypeResolver\Node\AttributeKey::SCOPE);
|
|
if (!$this->reflectionProvider->hasFunction($functionName, $argScope)) {
|
|
// we don't know
|
|
return \true;
|
|
}
|
|
$functionReflection = $this->reflectionProvider->getFunction($functionName, $argScope);
|
|
if (!$argScope instanceof \PHPStan\Analyser\Scope) {
|
|
return \true;
|
|
}
|
|
$referenceParametersPositions = $this->resolveFunctionReferencePositions($functionReflection, [$arg], $argScope);
|
|
if ($referenceParametersPositions === []) {
|
|
// no reference always only write
|
|
return \true;
|
|
}
|
|
$argumentPosition = $this->getArgumentPosition($parentParent, $arg);
|
|
return !\in_array($argumentPosition, $referenceParametersPositions, \true);
|
|
}
|
|
/**
|
|
* @param Arg[] $args
|
|
* @return int[]
|
|
*/
|
|
private function resolveFunctionReferencePositions(\PHPStan\Reflection\FunctionReflection $functionReflection, array $args, \PHPStan\Analyser\Scope $scope) : array
|
|
{
|
|
if (isset($this->referencePositionsByFunctionName[$functionReflection->getName()])) {
|
|
return $this->referencePositionsByFunctionName[$functionReflection->getName()];
|
|
}
|
|
$referencePositions = [];
|
|
$parametersAcceptor = \PHPStan\Reflection\ParametersAcceptorSelector::selectFromArgs($scope, $args, $functionReflection->getVariants());
|
|
foreach ($parametersAcceptor->getParameters() as $position => $parameterReflection) {
|
|
/** @var ParameterReflection $parameterReflection */
|
|
if (!$parameterReflection->passedByReference()->yes()) {
|
|
continue;
|
|
}
|
|
$referencePositions[] = $position;
|
|
}
|
|
$this->referencePositionsByFunctionName[$functionReflection->getName()] = $referencePositions;
|
|
return $referencePositions;
|
|
}
|
|
private function getArgumentPosition(\PhpParser\Node\Expr\FuncCall $funcCall, \PhpParser\Node\Arg $desiredArg) : int
|
|
{
|
|
foreach ($funcCall->args as $position => $arg) {
|
|
if ($arg !== $desiredArg) {
|
|
continue;
|
|
}
|
|
return $position;
|
|
}
|
|
throw new \Rector\Core\Exception\ShouldNotHappenException();
|
|
}
|
|
}
|