mirror of
https://github.com/rectorphp/rector.git
synced 2024-05-28 23:10:51 +00:00
96112cb1f0
2da49992cc
[Downgrade] [PHP 7.2] Make DowngradeParameterTypeWideningRector always downgrade to phpdoc type (#390)
175 lines
6.2 KiB
PHP
175 lines
6.2 KiB
PHP
<?php
|
|
|
|
declare (strict_types=1);
|
|
namespace Rector\Php70\Rector\ClassMethod;
|
|
|
|
use PhpParser\Node;
|
|
use PhpParser\Node\Expr;
|
|
use PhpParser\Node\Expr\MethodCall;
|
|
use PhpParser\Node\Expr\StaticCall;
|
|
use PhpParser\Node\Identifier;
|
|
use PhpParser\Node\Name;
|
|
use PhpParser\Node\Stmt\Class_;
|
|
use PhpParser\Node\Stmt\ClassMethod;
|
|
use PhpParser\Node\Stmt\Expression;
|
|
use PHPStan\Analyser\Scope;
|
|
use PHPStan\Reflection\ClassReflection;
|
|
use Rector\Core\Rector\AbstractRector;
|
|
use Rector\Core\ValueObject\MethodName;
|
|
use Rector\NodeTypeResolver\Node\AttributeKey;
|
|
use Rector\Php70\NodeAnalyzer\Php4ConstructorClassMethodAnalyzer;
|
|
use Symplify\RuleDocGenerator\ValueObject\CodeSample\CodeSample;
|
|
use Symplify\RuleDocGenerator\ValueObject\RuleDefinition;
|
|
/**
|
|
* @changelog https://wiki.php.net/rfc/remove_php4_constructors
|
|
* @see \Rector\Tests\Php70\Rector\ClassMethod\Php4ConstructorRector\Php4ConstructorRectorTest
|
|
*/
|
|
final class Php4ConstructorRector extends \Rector\Core\Rector\AbstractRector
|
|
{
|
|
/**
|
|
* @var \Rector\Php70\NodeAnalyzer\Php4ConstructorClassMethodAnalyzer
|
|
*/
|
|
private $php4ConstructorClassMethodAnalyzer;
|
|
public function __construct(\Rector\Php70\NodeAnalyzer\Php4ConstructorClassMethodAnalyzer $php4ConstructorClassMethodAnalyzer)
|
|
{
|
|
$this->php4ConstructorClassMethodAnalyzer = $php4ConstructorClassMethodAnalyzer;
|
|
}
|
|
public function getRuleDefinition() : \Symplify\RuleDocGenerator\ValueObject\RuleDefinition
|
|
{
|
|
return new \Symplify\RuleDocGenerator\ValueObject\RuleDefinition('Changes PHP 4 style constructor to __construct.', [new \Symplify\RuleDocGenerator\ValueObject\CodeSample\CodeSample(<<<'CODE_SAMPLE'
|
|
class SomeClass
|
|
{
|
|
public function SomeClass()
|
|
{
|
|
}
|
|
}
|
|
CODE_SAMPLE
|
|
, <<<'CODE_SAMPLE'
|
|
class SomeClass
|
|
{
|
|
public function __construct()
|
|
{
|
|
}
|
|
}
|
|
CODE_SAMPLE
|
|
)]);
|
|
}
|
|
/**
|
|
* @return array<class-string<Node>>
|
|
*/
|
|
public function getNodeTypes() : array
|
|
{
|
|
return [\PhpParser\Node\Stmt\ClassMethod::class];
|
|
}
|
|
/**
|
|
* @param ClassMethod $node
|
|
*/
|
|
public function refactor(\PhpParser\Node $node) : ?\PhpParser\Node
|
|
{
|
|
if (!$this->php4ConstructorClassMethodAnalyzer->detect($node)) {
|
|
return null;
|
|
}
|
|
$classLike = $node->getAttribute(\Rector\NodeTypeResolver\Node\AttributeKey::CLASS_NODE);
|
|
if (!$classLike instanceof \PhpParser\Node\Stmt\Class_) {
|
|
return null;
|
|
}
|
|
// process parent call references first
|
|
$this->processClassMethodStatementsForParentConstructorCalls($node);
|
|
// not PSR-4 constructor
|
|
if (!$this->nodeNameResolver->areNamesEqual($classLike, $node)) {
|
|
return null;
|
|
}
|
|
$classMethod = $classLike->getMethod(\Rector\Core\ValueObject\MethodName::CONSTRUCT);
|
|
// does it already have a __construct method?
|
|
if (!$classMethod instanceof \PhpParser\Node\Stmt\ClassMethod) {
|
|
$node->name = new \PhpParser\Node\Identifier(\Rector\Core\ValueObject\MethodName::CONSTRUCT);
|
|
}
|
|
if ($node->stmts === null) {
|
|
return null;
|
|
}
|
|
if (\count($node->stmts) === 1) {
|
|
/** @var Expression|Expr $stmt */
|
|
$stmt = $node->stmts[0];
|
|
if (!$stmt instanceof \PhpParser\Node\Stmt\Expression) {
|
|
return null;
|
|
}
|
|
if ($this->isLocalMethodCallNamed($stmt->expr, \Rector\Core\ValueObject\MethodName::CONSTRUCT)) {
|
|
$this->removeNode($node);
|
|
return null;
|
|
}
|
|
}
|
|
return $node;
|
|
}
|
|
private function processClassMethodStatementsForParentConstructorCalls(\PhpParser\Node\Stmt\ClassMethod $classMethod) : void
|
|
{
|
|
if (!\is_iterable($classMethod->stmts)) {
|
|
return;
|
|
}
|
|
foreach ($classMethod->stmts as $methodStmt) {
|
|
if (!$methodStmt instanceof \PhpParser\Node\Stmt\Expression) {
|
|
continue;
|
|
}
|
|
$methodStmt = $methodStmt->expr;
|
|
if (!$methodStmt instanceof \PhpParser\Node\Expr\StaticCall) {
|
|
continue;
|
|
}
|
|
$this->processParentPhp4ConstructCall($methodStmt);
|
|
}
|
|
}
|
|
private function processParentPhp4ConstructCall(\PhpParser\Node\Expr\StaticCall $staticCall) : void
|
|
{
|
|
$parentClassName = $this->resolveParentClassName($staticCall);
|
|
// no parent class
|
|
if ($parentClassName === null) {
|
|
return;
|
|
}
|
|
if (!$staticCall->class instanceof \PhpParser\Node\Name) {
|
|
return;
|
|
}
|
|
// rename ParentClass
|
|
if ($this->isName($staticCall->class, $parentClassName)) {
|
|
$staticCall->class = new \PhpParser\Node\Name('parent');
|
|
}
|
|
if (!$this->isName($staticCall->class, 'parent')) {
|
|
return;
|
|
}
|
|
// it's not a parent PHP 4 constructor call
|
|
if (!$this->isName($staticCall->name, $parentClassName)) {
|
|
return;
|
|
}
|
|
$staticCall->name = new \PhpParser\Node\Identifier(\Rector\Core\ValueObject\MethodName::CONSTRUCT);
|
|
}
|
|
private function resolveParentClassName(\PhpParser\Node\Expr\StaticCall $staticCall) : ?string
|
|
{
|
|
$scope = $staticCall->getAttribute(\Rector\NodeTypeResolver\Node\AttributeKey::SCOPE);
|
|
if (!$scope instanceof \PHPStan\Analyser\Scope) {
|
|
return null;
|
|
}
|
|
$classReflection = $scope->getClassReflection();
|
|
if (!$classReflection instanceof \PHPStan\Reflection\ClassReflection) {
|
|
return null;
|
|
}
|
|
$parentClassReflection = $classReflection->getParentClass();
|
|
if (!$parentClassReflection instanceof \PHPStan\Reflection\ClassReflection) {
|
|
return null;
|
|
}
|
|
return $parentClassReflection->getName();
|
|
}
|
|
private function isLocalMethodCallNamed(\PhpParser\Node\Expr $expr, string $name) : bool
|
|
{
|
|
if (!$expr instanceof \PhpParser\Node\Expr\MethodCall) {
|
|
return \false;
|
|
}
|
|
if ($expr->var instanceof \PhpParser\Node\Expr\StaticCall) {
|
|
return \false;
|
|
}
|
|
if ($expr->var instanceof \PhpParser\Node\Expr\MethodCall) {
|
|
return \false;
|
|
}
|
|
if (!$this->isName($expr->var, 'this')) {
|
|
return \false;
|
|
}
|
|
return $this->isName($expr->name, $name);
|
|
}
|
|
}
|