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File: src/vendor/nikic/php-parser/bin/php-parse

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File: src/vendor/nikic/php-parser/bin/php-parse
Role: Example script
Content type: text/plain
Description: Example script
Class: QPHP
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Author: By
Last change:
Date: 6 months ago
Size: 6,246 bytes
 

Contents

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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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