/** * @param Traversable|array[] $ASTs a series of AST roots * * @return string[] all the found symbols */ public function __invoke(Traversable $ASTs) : array { // note: dependency injection is not really feasible for these two, as they need to co-exist in parallel $traverser = new NodeTraverser(); $traverser->addVisitor(new NameResolver()); $traverser->addVisitor($collector = new DefinedSymbolCollector()); $astSymbols = []; foreach ($ASTs as $astRoot) { $traverser->traverse($astRoot); $astSymbols[] = $collector->getDefinedSymbols(); } return array_values(array_unique(array_merge([], ...$astSymbols))); }
public function testWillCollectNamespacedConstDefinition() { $this->traverseStringAST('namespace Foo; const foo = "bar", baz = "tab";'); self::assertSameCollectedSymbols(['Foo\\foo', 'Foo\\baz'], $this->collector->getDefinedSymbols()); }