/**
* @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());
}
