TraitHandler

Author: ondrejmirtes

src/Analyser/Generator/StmtHandler/TraitHandler.php

@@ -0,0 +1,44 @@
+<?php declare(strict_types = 1);
+
+namespace PHPStan\Analyser\Generator\StmtHandler;
+
+use Generator;
+use PhpParser\Node\Stmt;
+use PhpParser\Node\Stmt\Trait_;
+use PHPStan\Analyser\Generator\GeneratorScope;
+use PHPStan\Analyser\Generator\StmtAnalysisResult;
+use PHPStan\Analyser\Generator\StmtHandler;
+use PHPStan\Analyser\StatementContext;
+use PHPStan\DependencyInjection\AutowiredService;
+
+/**
+ * @implements StmtHandler<Trait_>
+ */
+#[AutowiredService]
+final class TraitHandler implements StmtHandler
+{
+
+	public function supports(Stmt $stmt): bool
+	{
+		return $stmt instanceof Trait_;
+	}
+
+	public function analyseStmt(Stmt $stmt, GeneratorScope $scope, StatementContext $context, ?callable $alternativeNodeCallback): Generator
+	{
+		// This handler is there as a no-op. Rules looking for Trait_ node
+		// will be called but the internals of a trait are analysed
+		// in context of each TraitUse, not as a standalone unit.
+
+		yield from [];
+
+		return new StmtAnalysisResult(
+			$scope,
+			hasYield: false,
+			isAlwaysTerminating: false,
+			exitPoints: [],
+			throwPoints: [],
+			impurePoints: [],
+		);
+	}
+
+}