PHPSA\AliasManager::setNamespace PHP Method

    public function setNamespace($namespace)
    {
        $this->namespace = $namespace;
    }

 /**
  * @param string $filepath
  * @param Parser $parser
  * @param Context $context
  */
 protected function parserFile($filepath, Parser $parser, Context $context)
 {
     $context->setFilepath($filepath);
     $astTraverser = new \PhpParser\NodeTraverser();
     $astTraverser->addVisitor(new \PhpParser\NodeVisitor\NameResolver());
     try {
         if (!is_readable($filepath)) {
             throw new RuntimeException('File ' . $filepath . ' is not readable');
         }
         $context->debug('<comment>Precompile: ' . $filepath . '.</comment>');
         $code = file_get_contents($filepath);
         $astTree = $parser->parse($code);
         $astTraverser->traverse($astTree);
         $aliasManager = new AliasManager();
         $namespace = null;
         /**
          * Step 1 Precompile
          */
         foreach ($astTree as $topStatement) {
             if ($topStatement instanceof Node\Stmt\Namespace_) {
                 /**
                  * Namespace block can be created without NS name
                  */
                 if ($topStatement->name) {
                     $namespace = $topStatement->name->toString();
                     $aliasManager->setNamespace($namespace);
                 }
                 if ($topStatement->stmts) {
                     $this->parseTopDefinitions($topStatement->stmts, $aliasManager, $filepath);
                 }
             } else {
                 $this->parseTopDefinitions($topStatement, $aliasManager, $filepath);
             }
         }
         /**
          * Another Traverser to handler Analyzer Passe(s)
          */
         $analyzeTraverser = new AstTraverser([new \PHPSA\Node\Visitor\FunctionCall()], $context);
         $analyzeTraverser->traverse($astTree);
         $context->clear();
     } catch (\PhpParser\Error $e) {
         $context->sytaxError($e, $filepath);
     } catch (Exception $e) {
         $context->output->writeln("<error>{$e->getMessage()}</error>");
     }
 }