traverse() public method

public traverse ( Script $script )
$script Script
Example #1
0
 private function load()
 {
     $traverser = new Traverser();
     $declarations = new Visitor\DeclarationFinder();
     $calls = new Visitor\CallFinder();
     $variables = new Visitor\VariableFinder();
     $traverser->addVisitor($declarations);
     $traverser->addVisitor($calls);
     $traverser->addVisitor($variables);
     for ($i = 0; $i < count($this->blocks); $i++) {
         $this->blocks[$i] = $traverser->traverse($this->blocks[$i]);
     }
     $this->variables = $variables->getVariables();
     $this->constants = $declarations->getConstants();
     $this->traits = $declarations->getTraits();
     $this->classes = $declarations->getClasses();
     $this->interfaces = $declarations->getInterfaces();
     $this->methods = $declarations->getMethods();
     $this->functions = $declarations->getFunctions();
     $this->functionLookup = $this->buildFunctionLookup($declarations->getFunctions());
     $this->callFinder = $calls;
     $this->methodCalls = $this->findMethodCalls();
     $this->newCalls = $this->findNewCalls();
     $this->computeTypeMatrix();
 }
Example #2
0
 /** @dataProvider provideTestParseAndDump */
 public function testParseAndDump($name, $code, $expectedDump)
 {
     $astTraverser = new PhpParser\NodeTraverser();
     $astTraverser->addVisitor(new PhpParser\NodeVisitor\NameResolver());
     $parser = new Parser((new ParserFactory())->create(ParserFactory::PREFER_PHP7), $astTraverser);
     $block = $parser->parse($code, 'foo.php');
     $traverser = new Traverser();
     $traverser->addVisitor(new Visitor\Simplifier());
     $traverser->traverse($block);
     $printer = new Printer\Text();
     $this->assertEquals($this->canonicalize($expectedDump), $this->canonicalize($printer->printCfg([$block])));
 }
Example #3
0
 /** @dataProvider provideTestParseAndDump */
 public function testParseAndDump($code, $expectedDump)
 {
     $astTraverser = new PhpParser\NodeTraverser();
     $astTraverser->addVisitor(new PhpParser\NodeVisitor\NameResolver());
     $parser = new Parser((new ParserFactory())->create(ParserFactory::PREFER_PHP7), $astTraverser);
     $traverser = new Traverser();
     $traverser->addVisitor(new Visitor\Simplifier());
     $printer = new Printer\Text();
     try {
         $script = $parser->parse($code, 'foo.php');
         $traverser->traverse($script);
         $result = $printer->printScript($script);
     } catch (\RuntimeException $e) {
         $result = $e->getMessage();
     }
     $this->assertEquals($this->canonicalize($expectedDump), $this->canonicalize($result));
 }
Example #4
0
 protected function getGraphsFromFiles(array $files, array $exclude, CFGParser $parser)
 {
     $excludeParts = [];
     foreach ($exclude as $part) {
         $excludeParts[] = preg_quote($part);
     }
     $part = implode('|', $excludeParts);
     $excludeRegex = "(((\\.({$part})(\$|/))|((^|/)({$part})(\$|/))))";
     $graphs = [];
     $traverser = new Traverser();
     $traverser->addVisitor(new Visitor\Simplifier());
     foreach ($files as $file) {
         if (is_file($file)) {
             $local = [$file];
         } elseif (is_dir($file)) {
             $it = new \CallbackFilterIterator(new \RecursiveIteratorIterator(new \RecursiveDirectoryIterator($file)), function (\SplFileInfo $file) use($excludeRegex) {
                 if (preg_match($excludeRegex, $file->getPathName())) {
                     return false;
                 }
                 return $file->isFile();
             });
             $local = [];
             foreach ($it as $file) {
                 $local[] = $file->getPathName();
                 // since __toString would be too difficult...
             }
         } else {
             throw new \RuntimeException("Error: {$file} is not a file or directory");
         }
         foreach ($local as $file) {
             echo "Analyzing {$file}\n";
             $graphs[$file] = $parser->parse(file_get_contents($file), $file);
             $traverser->traverse($graphs[$file]);
         }
     }
     return $graphs;
 }
Example #5
0
 protected function preProcess(array $blocks)
 {
     $traverser = new Traverser();
     $declarations = new Visitor\DeclarationFinder();
     $calls = new Visitor\CallFinder();
     $variables = new Visitor\VariableFinder();
     $dagComputer = new Visitor\VariableDagComputer();
     $traverser->addVisitor(new Visitor\Simplifier());
     $traverser->addVisitor($dagComputer);
     $traverser->addVisitor($declarations);
     $traverser->addVisitor($calls);
     $traverser->addVisitor($variables);
     foreach ($blocks as $block) {
         $traverser->traverse($block);
     }
     return ["cfg" => $blocks, "constants" => $declarations->getConstants(), "traits" => $declarations->getTraits(), "classes" => $declarations->getClasses(), "methods" => $declarations->getMethods(), "functions" => $declarations->getFunctions(), "functionLookup" => $this->buildFunctionLookup($declarations->getFunctions()), "interfaces" => $declarations->getInterfaces(), "variables" => $variables->getVariables(), "callResolver" => $calls, "methodCalls" => $this->findMethodCalls($blocks), "internalTypeInfo" => new InternalArgInfo()];
 }