breakingVariableRenameGuard = $breakingVariableRenameGuard;
$this->expectedNameResolver = $expectedNameResolver;
$this->variableRenamer = $variableRenamer;
$this->betterNodeFinder = $betterNodeFinder;
}
public function getRuleDefinition() : RuleDefinition
{
return new RuleDefinition('Rename variable to match new ClassType', [new CodeSample(<<<'CODE_SAMPLE'
final class SomeClass
{
public function run()
{
$search = new DreamSearch();
$search->advance();
}
}
CODE_SAMPLE
, <<<'CODE_SAMPLE'
final class SomeClass
{
public function run()
{
$dreamSearch = new DreamSearch();
$dreamSearch->advance();
}
}
CODE_SAMPLE
)]);
}
/**
* @return array>
*/
public function getNodeTypes() : array
{
return [ClassMethod::class];
}
/**
* @param ClassMethod $node
*/
public function refactor(Node $node) : ?Node
{
$hasChanged = \false;
$assignsOfNew = $this->getAssignsOfNew($node);
foreach ($assignsOfNew as $assignOfNew) {
$expectedName = $this->expectedNameResolver->resolveForAssignNew($assignOfNew);
// skip self name as not useful
if ($expectedName === 'self') {
continue;
}
/** @var Variable $variable */
$variable = $assignOfNew->var;
if ($expectedName === null) {
continue;
}
if ($this->isName($variable, $expectedName)) {
continue;
}
$currentName = $this->getName($variable);
if ($currentName === null) {
continue;
}
if ($this->breakingVariableRenameGuard->shouldSkipVariable($currentName, $expectedName, $node, $variable)) {
continue;
}
$hasChanged = \true;
// 1. rename assigned variable
$assignOfNew->var = new Variable($expectedName);
// 2. rename variable in the
$this->variableRenamer->renameVariableInFunctionLike($node, $currentName, $expectedName, $assignOfNew);
}
if (!$hasChanged) {
return null;
}
return $node;
}
/**
* @return Assign[]
*/
private function getAssignsOfNew(ClassMethod $classMethod) : array
{
/** @var Assign[] $assigns */
$assigns = $this->betterNodeFinder->findInstanceOf((array) $classMethod->stmts, Assign::class);
return \array_filter($assigns, static function (Assign $assign) : bool {
return $assign->expr instanceof New_;
});
}
}