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#!/usr/bin/env php
<?php
namespace RectorPrefix202308;
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];
}