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<?php declare (strict_types=1); namespace Rector\Php80\NodeFactory; use PhpParser\Node\Expr; use PhpParser\Node\Expr\ArrayDimFetch; use PhpParser\Node\Expr\Assign; use PhpParser\Node\Expr\Match_; use PhpParser\Node\Expr\Throw_; use PhpParser\Node\Stmt; use PhpParser\Node\Stmt\Return_; use PhpParser\Node\Stmt\Throw_ as ThrowsStmt; use Rector\Php80\Enum\MatchKind; use Rector\Php80\NodeAnalyzer\MatchSwitchAnalyzer; use Rector\Php80\ValueObject\CondAndExpr; use Rector\Php80\ValueObject\MatchResult; use Rector\PhpParser\Comparing\NodeComparator; final class MatchFactory { /** * @readonly * @var \Rector\Php80\NodeFactory\MatchArmsFactory */ private $matchArmsFactory; /** * @readonly * @var \Rector\Php80\NodeAnalyzer\MatchSwitchAnalyzer */ private $matchSwitchAnalyzer; /** * @readonly * @var \Rector\PhpParser\Comparing\NodeComparator */ private $nodeComparator; public function __construct(\Rector\Php80\NodeFactory\MatchArmsFactory $matchArmsFactory, MatchSwitchAnalyzer $matchSwitchAnalyzer, NodeComparator $nodeComparator) { $this->matchArmsFactory = $matchArmsFactory; $this->matchSwitchAnalyzer = $matchSwitchAnalyzer; $this->nodeComparator = $nodeComparator; } /** * @param CondAndExpr[] $condAndExprs */ public function createFromCondAndExprs(Expr $condExpr, array $condAndExprs, ?Stmt $nextStmt) : ?MatchResult { $shouldRemoteNextStmt = \false; // is default value missing? maybe it can be found in next stmt if (!$this->matchSwitchAnalyzer->hasCondsAndExprDefaultValue($condAndExprs)) { // 1. is followed by throws stmts? if ($nextStmt instanceof ThrowsStmt) { $throw = new Throw_($nextStmt->expr); $condAndExprs[] = new CondAndExpr([], $throw, MatchKind::RETURN); $shouldRemoteNextStmt = \true; } // 2. is followed by return expr // implicit return default after switch if ($nextStmt instanceof Return_ && $nextStmt->expr instanceof Expr) { // @todo this should be improved $expr = $this->resolveAssignVar($condAndExprs); if ($expr instanceof ArrayDimFetch) { return null; } if ($expr instanceof Expr && !$this->nodeComparator->areNodesEqual($nextStmt->expr, $expr)) { return null; } $shouldRemoteNextStmt = !$expr instanceof Expr; $condAndExprs[] = new CondAndExpr([], $nextStmt->expr, MatchKind::RETURN); } } $matchArms = $this->matchArmsFactory->createFromCondAndExprs($condAndExprs); $match = new Match_($condExpr, $matchArms); return new MatchResult($match, $shouldRemoteNextStmt); } /** * @param CondAndExpr[] $condAndExprs */ private function resolveAssignVar(array $condAndExprs) : ?Expr { foreach ($condAndExprs as $condAndExpr) { $expr = $condAndExpr->getExpr(); if (!$expr instanceof Assign) { continue; } return $expr->var; } return null; } }
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| PHP 8.2.30 | ??????????? ?????????: 0 |
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