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<?php declare(strict_types=1);
namespace PhpParser;
use PhpParser\Node\Expr;
use PhpParser\Node\Stmt;
use PHPUnit\Framework\Attributes\DataProvider;
class CodeParsingTest extends CodeTestAbstract {
#[DataProvider('provideTestParse')]
public function testParse($name, $code, $expected, $modeLine): void {
$modes = $this->parseModeLine($modeLine);
$parser = $this->createParser($modes['version'] ?? null);
list($stmts, $output) = $this->getParseOutput($parser, $code, $modes);
$this->assertSame($expected, $output, $name);
$this->checkAttributes($stmts);
}
public function createParser(?string $version): Parser {
$factory = new ParserFactory();
$version = $version === null
? PhpVersion::getNewestSupported() : PhpVersion::fromString($version);
return $factory->createForVersion($version);
}
// Must be public for updateTests.php
public function getParseOutput(Parser $parser, $code, array $modes) {
$dumpPositions = isset($modes['positions']);
$dumpOtherAttributes = isset($modes['attributes']);
$errors = new ErrorHandler\Collecting();
$stmts = $parser->parse($code, $errors);
$output = '';
foreach ($errors->getErrors() as $error) {
$output .= $this->formatErrorMessage($error, $code) . "\n";
}
if (null !== $stmts) {
$dumper = new NodeDumper([
'dumpComments' => true,
'dumpPositions' => $dumpPositions,
'dumpOtherAttributes' => $dumpOtherAttributes,
]);
$output .= $dumper->dump($stmts, $code);
}
return [$stmts, canonicalize($output)];
}
public static function provideTestParse() {
return self::getTests(__DIR__ . '/../code/parser', 'test');
}
private function formatErrorMessage(Error $e, $code) {
if ($e->hasColumnInfo()) {
return $e->getMessageWithColumnInfo($code);
}
return $e->getMessage();
}
private function checkAttributes($stmts): void {
if ($stmts === null) {
return;
}
$traverser = new NodeTraverser(new class () extends NodeVisitorAbstract {
public function enterNode(Node $node): void {
$startLine = $node->getStartLine();
$endLine = $node->getEndLine();
$startFilePos = $node->getStartFilePos();
$endFilePos = $node->getEndFilePos();
$startTokenPos = $node->getStartTokenPos();
$endTokenPos = $node->getEndTokenPos();
if ($startLine < 0 || $endLine < 0 ||
$startFilePos < 0 || $endFilePos < 0 ||
$startTokenPos < 0 || $endTokenPos < 0
) {
throw new \Exception('Missing location information on ' . $node->getType());
}
if ($endLine < $startLine ||
$endFilePos < $startFilePos ||
$endTokenPos < $startTokenPos
) {
// Nop and Error can have inverted order, if they are empty.
// This can also happen for a Param containing an Error.
if (!$node instanceof Stmt\Nop && !$node instanceof Expr\Error &&
!$node instanceof Node\Param
) {
throw new \Exception('End < start on ' . $node->getType());
}
}
}
});
$traverser->traverse($stmts);
}
}
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