2020-07-19 10:07:45 +00:00
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<?php
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declare(strict_types=1);
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namespace Rector\Naming;
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use PhpParser\Node;
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use PhpParser\Node\Expr\Assign;
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2020-07-19 11:22:55 +00:00
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use PhpParser\Node\Expr\Closure;
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2020-07-19 10:07:45 +00:00
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use PhpParser\Node\Expr\Variable;
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use PhpParser\Node\FunctionLike;
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use PhpParser\Node\Stmt\ClassMethod;
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use PhpParser\Node\Stmt\Function_;
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use Rector\Core\PhpParser\NodeTraverser\CallableNodeTraverser;
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2020-07-19 18:19:25 +00:00
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use Rector\Naming\PhpDoc\VarTagValueNodeRenamer;
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2020-07-19 10:07:45 +00:00
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use Rector\NodeNameResolver\NodeNameResolver;
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final class VariableRenamer
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{
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/**
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* @var CallableNodeTraverser
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*/
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private $callableNodeTraverser;
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/**
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* @var NodeNameResolver
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*/
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private $nodeNameResolver;
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2020-07-19 18:19:25 +00:00
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/**
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* @var VarTagValueNodeRenamer
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*/
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private $varTagValueNodeRenamer;
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public function __construct(
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CallableNodeTraverser $callableNodeTraverser,
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NodeNameResolver $nodeNameResolver,
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VarTagValueNodeRenamer $varTagValueNodeRenamer
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) {
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2020-07-19 10:07:45 +00:00
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$this->callableNodeTraverser = $callableNodeTraverser;
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$this->nodeNameResolver = $nodeNameResolver;
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2020-07-19 18:19:25 +00:00
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$this->varTagValueNodeRenamer = $varTagValueNodeRenamer;
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2020-07-19 10:07:45 +00:00
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}
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/**
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2020-07-19 11:22:55 +00:00
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* @param ClassMethod|Function_|Closure $functionLike
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2020-07-19 10:07:45 +00:00
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*/
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2020-07-19 11:22:55 +00:00
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public function renameVariableInFunctionLike(
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2020-07-19 10:07:45 +00:00
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FunctionLike $functionLike,
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Assign $assign,
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string $oldName,
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string $expectedName
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): void {
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$isRenamingActive = false;
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$this->callableNodeTraverser->traverseNodesWithCallable(
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(array) $functionLike->stmts,
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function (Node $node) use ($oldName, $expectedName, $assign, &$isRenamingActive) {
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if ($node === $assign) {
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$isRenamingActive = true;
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return null;
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}
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if (! $node instanceof Variable) {
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return null;
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}
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2020-07-19 23:23:11 +00:00
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if (! $isRenamingActive) {
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2020-07-19 10:07:45 +00:00
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return null;
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}
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2020-07-19 23:23:11 +00:00
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return $this->renameVariableIfMatchesName($node, $oldName, $expectedName);
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2020-07-19 10:07:45 +00:00
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}
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);
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}
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2020-07-19 23:23:11 +00:00
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2020-07-27 06:56:25 +00:00
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private function renameVariableIfMatchesName(Variable $variable, string $oldName, string $expectedName): ?Variable
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2020-07-19 23:23:11 +00:00
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{
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if (! $this->nodeNameResolver->isName($variable, $oldName)) {
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return null;
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}
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$variable->name = $expectedName;
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$this->varTagValueNodeRenamer->renameAssignVarTagVariableName($variable, $oldName, $expectedName);
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return $variable;
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}
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2020-07-19 10:07:45 +00:00
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}
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