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2524b7ef68
89a7a4dfbb
[TypeDeclaration] Add ReturnTypeFromStrictScalarReturnExprRector (#2601)
49 lines
1.7 KiB
PHP
49 lines
1.7 KiB
PHP
<?php
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declare (strict_types=1);
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namespace Rector\TypeDeclaration\NodeAnalyzer\ReturnTypeAnalyzer;
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use PhpParser\Node\Expr;
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use PhpParser\Node\Expr\Closure;
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use PhpParser\Node\Stmt\ClassMethod;
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use PhpParser\Node\Stmt\Function_;
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use Rector\TypeDeclaration\TypeAnalyzer\AlwaysStrictBoolExprAnalyzer;
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final class StrictBoolReturnTypeAnalyzer
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{
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/**
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* @readonly
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* @var \Rector\TypeDeclaration\TypeAnalyzer\AlwaysStrictBoolExprAnalyzer
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*/
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private $alwaysStrictBoolExprAnalyzer;
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/**
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* @readonly
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* @var \Rector\TypeDeclaration\NodeAnalyzer\ReturnTypeAnalyzer\AlwaysStrictReturnAnalyzer
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*/
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private $alwaysStrictReturnAnalyzer;
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public function __construct(AlwaysStrictBoolExprAnalyzer $alwaysStrictBoolExprAnalyzer, \Rector\TypeDeclaration\NodeAnalyzer\ReturnTypeAnalyzer\AlwaysStrictReturnAnalyzer $alwaysStrictReturnAnalyzer)
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{
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$this->alwaysStrictBoolExprAnalyzer = $alwaysStrictBoolExprAnalyzer;
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$this->alwaysStrictReturnAnalyzer = $alwaysStrictReturnAnalyzer;
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}
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/**
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* @param \PhpParser\Node\Stmt\ClassMethod|\PhpParser\Node\Expr\Closure|\PhpParser\Node\Stmt\Function_ $functionLike
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*/
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public function hasAlwaysStrictBoolReturn($functionLike) : bool
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{
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$returns = $this->alwaysStrictReturnAnalyzer->matchAlwaysStrictReturns($functionLike);
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if ($returns === null) {
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return \false;
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}
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foreach ($returns as $return) {
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// we need exact expr return
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if (!$return->expr instanceof Expr) {
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return \false;
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}
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if (!$this->alwaysStrictBoolExprAnalyzer->isStrictBoolExpr($return->expr)) {
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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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