Chris@13: <?php declare(strict_types=1);
Chris@0: 
Chris@0: namespace PhpParser;
Chris@0: 
Chris@13: use PhpParser\Node\Expr;
Chris@13: use PhpParser\Node\Stmt;
Chris@13: 
Chris@0: class CodeParsingTest extends CodeTestAbstract
Chris@0: {
Chris@0:     /**
Chris@0:      * @dataProvider provideTestParse
Chris@0:      */
Chris@0:     public function testParse($name, $code, $expected, $modeLine) {
Chris@0:         if (null !== $modeLine) {
Chris@0:             $modes = array_fill_keys(explode(',', $modeLine), true);
Chris@0:         } else {
Chris@0:             $modes = [];
Chris@0:         }
Chris@0: 
Chris@13:         list($parser5, $parser7) = $this->createParsers($modes);
Chris@13:         list($stmts5, $output5) = $this->getParseOutput($parser5, $code, $modes);
Chris@13:         list($stmts7, $output7) = $this->getParseOutput($parser7, $code, $modes);
Chris@0: 
Chris@0:         if (isset($modes['php5'])) {
Chris@0:             $this->assertSame($expected, $output5, $name);
Chris@0:             $this->assertNotSame($expected, $output7, $name);
Chris@13:         } elseif (isset($modes['php7'])) {
Chris@0:             $this->assertNotSame($expected, $output5, $name);
Chris@0:             $this->assertSame($expected, $output7, $name);
Chris@0:         } else {
Chris@0:             $this->assertSame($expected, $output5, $name);
Chris@0:             $this->assertSame($expected, $output7, $name);
Chris@0:         }
Chris@13: 
Chris@13:         $this->checkAttributes($stmts5);
Chris@13:         $this->checkAttributes($stmts7);
Chris@0:     }
Chris@0: 
Chris@13:     public function createParsers(array $modes) {
Chris@13:         $lexer = new Lexer\Emulative(['usedAttributes' => [
Chris@13:             'startLine', 'endLine',
Chris@13:             'startFilePos', 'endFilePos',
Chris@13:             'startTokenPos', 'endTokenPos',
Chris@13:             'comments'
Chris@13:         ]]);
Chris@13: 
Chris@13:         return [
Chris@13:             new Parser\Php5($lexer),
Chris@13:             new Parser\Php7($lexer),
Chris@13:         ];
Chris@13:     }
Chris@13: 
Chris@17:     // Must be public for updateTests.php
Chris@17:     public function getParseOutput(Parser $parser, $code, array $modes) {
Chris@13:         $dumpPositions = isset($modes['positions']);
Chris@13: 
Chris@0:         $errors = new ErrorHandler\Collecting;
Chris@0:         $stmts = $parser->parse($code, $errors);
Chris@0: 
Chris@0:         $output = '';
Chris@0:         foreach ($errors->getErrors() as $error) {
Chris@0:             $output .= $this->formatErrorMessage($error, $code) . "\n";
Chris@0:         }
Chris@0: 
Chris@0:         if (null !== $stmts) {
Chris@0:             $dumper = new NodeDumper(['dumpComments' => true, 'dumpPositions' => $dumpPositions]);
Chris@0:             $output .= $dumper->dump($stmts, $code);
Chris@0:         }
Chris@0: 
Chris@13:         return [$stmts, canonicalize($output)];
Chris@0:     }
Chris@0: 
Chris@0:     public function provideTestParse() {
Chris@0:         return $this->getTests(__DIR__ . '/../code/parser', 'test');
Chris@0:     }
Chris@0: 
Chris@0:     private function formatErrorMessage(Error $e, $code) {
Chris@0:         if ($e->hasColumnInfo()) {
Chris@0:             return $e->getMessageWithColumnInfo($code);
Chris@0:         }
Chris@17: 
Chris@17:         return $e->getMessage();
Chris@0:     }
Chris@13: 
Chris@13:     private function checkAttributes($stmts) {
Chris@13:         if ($stmts === null) {
Chris@13:             return;
Chris@13:         }
Chris@13: 
Chris@13:         $traverser = new NodeTraverser();
Chris@13:         $traverser->addVisitor(new class extends NodeVisitorAbstract {
Chris@13:             public function enterNode(Node $node) {
Chris@13:                 $startLine = $node->getStartLine();
Chris@13:                 $endLine = $node->getEndLine();
Chris@13:                 $startFilePos = $node->getStartFilePos();
Chris@13:                 $endFilePos = $node->getEndFilePos();
Chris@13:                 $startTokenPos = $node->getStartTokenPos();
Chris@13:                 $endTokenPos = $node->getEndTokenPos();
Chris@13:                 if ($startLine < 0 || $endLine < 0 ||
Chris@13:                     $startFilePos < 0 || $endFilePos < 0 ||
Chris@13:                     $startTokenPos < 0 || $endTokenPos < 0
Chris@13:                 ) {
Chris@13:                     throw new \Exception('Missing location information on ' . $node->getType());
Chris@13:                 }
Chris@13: 
Chris@13:                 if ($endLine < $startLine ||
Chris@13:                     $endFilePos < $startFilePos ||
Chris@13:                     $endTokenPos < $startTokenPos
Chris@13:                 ) {
Chris@13:                     // Nops and error can have inverted order, if they are empty
Chris@13:                     if (!$node instanceof Stmt\Nop && !$node instanceof Expr\Error) {
Chris@13:                         throw new \Exception('End < start on ' . $node->getType());
Chris@13:                     }
Chris@13:                 }
Chris@13:             }
Chris@13:         });
Chris@13:         $traverser->traverse($stmts);
Chris@13:     }
Chris@0: }