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- #!/usr/bin/env php
- <?php
- foreach ([__DIR__ . '/../../../autoload.php', __DIR__ . '/../vendor/autoload.php'] as $file) {
- if (file_exists($file)) {
- require $file;
- break;
- }
- }
- ini_set('xdebug.max_nesting_level', 3000);
- // Disable Xdebug var_dump() output truncation
- ini_set('xdebug.var_display_max_children', -1);
- ini_set('xdebug.var_display_max_data', -1);
- ini_set('xdebug.var_display_max_depth', -1);
- list($operations, $files, $attributes) = parseArgs($argv);
- /* Dump nodes by default */
- if (empty($operations)) {
- $operations[] = 'dump';
- }
- if (empty($files)) {
- showHelp("Must specify at least one file.");
- }
- $lexer = new PhpParser\Lexer\Emulative(['usedAttributes' => [
- 'startLine', 'endLine', 'startFilePos', 'endFilePos', 'comments'
- ]]);
- $parser = (new PhpParser\ParserFactory)->create(
- PhpParser\ParserFactory::PREFER_PHP7,
- $lexer
- );
- $dumper = new PhpParser\NodeDumper([
- 'dumpComments' => true,
- 'dumpPositions' => $attributes['with-positions'],
- ]);
- $prettyPrinter = new PhpParser\PrettyPrinter\Standard;
- $traverser = new PhpParser\NodeTraverser();
- $traverser->addVisitor(new PhpParser\NodeVisitor\NameResolver);
- foreach ($files as $file) {
- if (strpos($file, '<?php') === 0) {
- $code = $file;
- fwrite(STDERR, "====> Code $code\n");
- } else {
- if (!file_exists($file)) {
- fwrite(STDERR, "File $file does not exist.\n");
- exit(1);
- }
- $code = file_get_contents($file);
- fwrite(STDERR, "====> File $file:\n");
- }
- if ($attributes['with-recovery']) {
- $errorHandler = new PhpParser\ErrorHandler\Collecting;
- $stmts = $parser->parse($code, $errorHandler);
- foreach ($errorHandler->getErrors() as $error) {
- $message = formatErrorMessage($error, $code, $attributes['with-column-info']);
- fwrite(STDERR, $message . "\n");
- }
- if (null === $stmts) {
- continue;
- }
- } else {
- try {
- $stmts = $parser->parse($code);
- } catch (PhpParser\Error $error) {
- $message = formatErrorMessage($error, $code, $attributes['with-column-info']);
- fwrite(STDERR, $message . "\n");
- exit(1);
- }
- }
- foreach ($operations as $operation) {
- if ('dump' === $operation) {
- fwrite(STDERR, "==> Node dump:\n");
- echo $dumper->dump($stmts, $code), "\n";
- } elseif ('pretty-print' === $operation) {
- fwrite(STDERR, "==> Pretty print:\n");
- echo $prettyPrinter->prettyPrintFile($stmts), "\n";
- } elseif ('json-dump' === $operation) {
- fwrite(STDERR, "==> JSON dump:\n");
- echo json_encode($stmts, JSON_PRETTY_PRINT), "\n";
- } elseif ('var-dump' === $operation) {
- fwrite(STDERR, "==> var_dump():\n");
- var_dump($stmts);
- } elseif ('resolve-names' === $operation) {
- fwrite(STDERR, "==> Resolved names.\n");
- $stmts = $traverser->traverse($stmts);
- }
- }
- }
- function formatErrorMessage(PhpParser\Error $e, $code, $withColumnInfo) {
- if ($withColumnInfo && $e->hasColumnInfo()) {
- return $e->getMessageWithColumnInfo($code);
- } else {
- return $e->getMessage();
- }
- }
- function showHelp($error = '') {
- if ($error) {
- fwrite(STDERR, $error . "\n\n");
- }
- fwrite($error ? STDERR : STDOUT, <<<OUTPUT
- Usage: php-parse [operations] file1.php [file2.php ...]
- or: php-parse [operations] "<?php code"
- Turn PHP source code into an abstract syntax tree.
- Operations is a list of the following options (--dump by default):
- -d, --dump Dump nodes using NodeDumper
- -p, --pretty-print Pretty print file using PrettyPrinter\Standard
- -j, --json-dump Print json_encode() result
- --var-dump var_dump() nodes (for exact structure)
- -N, --resolve-names Resolve names using NodeVisitor\NameResolver
- -c, --with-column-info Show column-numbers for errors (if available)
- -P, --with-positions Show positions in node dumps
- -r, --with-recovery Use parsing with error recovery
- -h, --help Display this page
- Example:
- php-parse -d -p -N -d file.php
- Dumps nodes, pretty prints them, then resolves names and dumps them again.
- OUTPUT
- );
- exit($error ? 1 : 0);
- }
- function parseArgs($args) {
- $operations = [];
- $files = [];
- $attributes = [
- 'with-column-info' => false,
- 'with-positions' => false,
- 'with-recovery' => false,
- ];
- array_shift($args);
- $parseOptions = true;
- foreach ($args as $arg) {
- if (!$parseOptions) {
- $files[] = $arg;
- continue;
- }
- switch ($arg) {
- case '--dump':
- case '-d':
- $operations[] = 'dump';
- break;
- case '--pretty-print':
- case '-p':
- $operations[] = 'pretty-print';
- break;
- case '--json-dump':
- case '-j':
- $operations[] = 'json-dump';
- break;
- case '--var-dump':
- $operations[] = 'var-dump';
- break;
- case '--resolve-names':
- case '-N';
- $operations[] = 'resolve-names';
- break;
- case '--with-column-info':
- case '-c';
- $attributes['with-column-info'] = true;
- break;
- case '--with-positions':
- case '-P':
- $attributes['with-positions'] = true;
- break;
- case '--with-recovery':
- case '-r':
- $attributes['with-recovery'] = true;
- break;
- case '--help':
- case '-h';
- showHelp();
- break;
- case '--':
- $parseOptions = false;
- break;
- default:
- if ($arg[0] === '-') {
- showHelp("Invalid operation $arg.");
- } else {
- $files[] = $arg;
- }
- }
- }
- return [$operations, $files, $attributes];
- }
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