mirror of
https://github.com/danog/psalm.git
synced 2024-12-15 02:47:02 +01:00
529 lines
15 KiB
PHP
529 lines
15 KiB
PHP
<?php
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use Composer\Autoload\ClassLoader;
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use Psalm\Config;
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use Psalm\Exception\ConfigException;
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/**
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* @param string $current_dir
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* @param bool $has_explicit_root
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* @param string $vendor_dir
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*
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* @return ?\Composer\Autoload\ClassLoader
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*/
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function requireAutoloaders($current_dir, $has_explicit_root, $vendor_dir)
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{
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$autoload_roots = [$current_dir];
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$psalm_dir = dirname(__DIR__);
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/** @psalm-suppress UndefinedConstant */
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$in_phar = Phar::running() || strpos(__NAMESPACE__, 'HumbugBox');
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if ($in_phar) {
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require_once(__DIR__ . '/../vendor/autoload.php');
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// hack required for JsonMapper
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require_once __DIR__ . '/../vendor/netresearch/jsonmapper/src/JsonMapper.php';
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require_once __DIR__ . '/../vendor/netresearch/jsonmapper/src/JsonMapper/Exception.php';
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}
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if (realpath($psalm_dir) !== realpath($current_dir) && !$in_phar) {
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$autoload_roots[] = $psalm_dir;
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}
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$autoload_files = [];
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foreach ($autoload_roots as $autoload_root) {
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$has_autoloader = false;
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$nested_autoload_file = dirname(dirname($autoload_root)) . DIRECTORY_SEPARATOR . 'autoload.php';
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// note: don't realpath $nested_autoload_file, or phar version will fail
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if (file_exists($nested_autoload_file)) {
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if (!in_array($nested_autoload_file, $autoload_files, false)) {
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$autoload_files[] = $nested_autoload_file;
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}
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$has_autoloader = true;
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}
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$vendor_autoload_file =
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$autoload_root . DIRECTORY_SEPARATOR . $vendor_dir . DIRECTORY_SEPARATOR . 'autoload.php';
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// note: don't realpath $vendor_autoload_file, or phar version will fail
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if (file_exists($vendor_autoload_file)) {
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if (!in_array($vendor_autoload_file, $autoload_files, false)) {
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$autoload_files[] = $vendor_autoload_file;
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}
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$has_autoloader = true;
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}
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if (!$has_autoloader && file_exists($autoload_root . '/composer.json')) {
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$error_message = 'Could not find any composer autoloaders in ' . $autoload_root;
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if (!$has_explicit_root) {
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$error_message .= PHP_EOL . 'Add a --root=[your/project/directory] flag '
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. 'to specify a particular project to run Psalm on.';
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}
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fwrite(STDERR, $error_message . PHP_EOL);
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exit(1);
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}
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}
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$first_autoloader = null;
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foreach ($autoload_files as $file) {
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/**
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* @psalm-suppress UnresolvableInclude
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*
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* @var mixed
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*/
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$autoloader = require_once $file;
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if (!$first_autoloader
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&& $autoloader instanceof ClassLoader
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) {
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$first_autoloader = $autoloader;
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}
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}
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if ($first_autoloader === null && !$in_phar) {
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if (!$autoload_files) {
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fwrite(STDERR, 'Failed to find a valid Composer autoloader' . "\n");
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} else {
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fwrite(STDERR, 'Failed to find a valid Composer autoloader in ' . implode(', ', $autoload_files) . "\n");
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}
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fwrite(
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STDERR,
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'Please make sure you’ve run `composer install` in the current directory before using Psalm.' . "\n"
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);
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exit(1);
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}
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define('PSALM_VERSION', \PackageVersions\Versions::getVersion('vimeo/psalm'));
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define('PHP_PARSER_VERSION', \PackageVersions\Versions::getVersion('nikic/php-parser'));
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return $first_autoloader;
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}
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/**
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* @param string $current_dir
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*
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* @return string
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*
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* @psalm-suppress MixedArrayAccess
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* @psalm-suppress MixedAssignment
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* @psalm-suppress PossiblyUndefinedStringArrayOffset
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*/
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function getVendorDir($current_dir)
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{
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$composer_json_path = $current_dir . DIRECTORY_SEPARATOR . 'composer.json';
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if (!file_exists($composer_json_path)) {
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return 'vendor';
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}
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if (!$composer_json = json_decode(file_get_contents($composer_json_path), true)) {
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fwrite(
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STDERR,
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'Invalid composer.json at ' . $composer_json_path . "\n"
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);
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exit(1);
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}
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if (isset($composer_json['config'])
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&& is_array($composer_json['config'])
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&& isset($composer_json['config']['vendor-dir'])
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&& is_string($composer_json['config']['vendor-dir'])
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) {
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return $composer_json['config']['vendor-dir'];
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}
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return 'vendor';
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}
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/**
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* @return string[]
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*/
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function getArguments() : array
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{
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global $argv;
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if (!$argv) {
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return [];
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}
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$filtered_input_paths = [];
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for ($i = 0; $i < count($argv); ++$i) {
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$input_path = $argv[$i];
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if (realpath($input_path) !== false) {
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continue;
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}
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if ($input_path[0] === '-' && strlen($input_path) === 2) {
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if ($input_path[1] === 'c' || $input_path[1] === 'f') {
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++$i;
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}
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continue;
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}
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if ($input_path[0] === '-' && $input_path[2] === '=') {
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continue;
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}
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$filtered_input_paths[] = $input_path;
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}
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return $filtered_input_paths;
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}
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/**
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* @param string|array|null|false $f_paths
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*
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* @return string[]|null
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*/
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function getPathsToCheck($f_paths)
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{
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global $argv;
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$paths_to_check = [];
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if ($f_paths) {
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$input_paths = is_array($f_paths) ? $f_paths : [$f_paths];
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} else {
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$input_paths = $argv ? $argv : null;
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}
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if ($input_paths) {
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$filtered_input_paths = [];
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for ($i = 0; $i < count($input_paths); ++$i) {
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/** @var string */
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$input_path = $input_paths[$i];
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if (realpath($input_path) === realpath(dirname(__DIR__) . DIRECTORY_SEPARATOR . 'psalm')
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|| realpath($input_path) === realpath(dirname(__DIR__) . DIRECTORY_SEPARATOR . 'psalter')
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|| realpath($input_path) === realpath(Phar::running(false))
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) {
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continue;
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}
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if ($input_path[0] === '-' && strlen($input_path) === 2) {
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if ($input_path[1] === 'c' || $input_path[1] === 'f') {
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++$i;
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}
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continue;
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}
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if ($input_path[0] === '-' && $input_path[2] === '=') {
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continue;
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}
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if (substr($input_path, 0, 2) === '--' && strlen($input_path) > 2) {
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continue;
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}
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$filtered_input_paths[] = $input_path;
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}
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if ($filtered_input_paths === ['-']) {
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$meta = stream_get_meta_data(STDIN);
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stream_set_blocking(STDIN, false);
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if ($stdin = fgets(STDIN)) {
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$filtered_input_paths = preg_split('/\s+/', trim($stdin));
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}
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$blocked = $meta['blocked'];
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stream_set_blocking(STDIN, $blocked);
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}
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foreach ($filtered_input_paths as $path_to_check) {
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if ($path_to_check[0] === '-') {
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fwrite(STDERR, 'Invalid usage, expecting psalm [options] [file...]' . PHP_EOL);
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exit(1);
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}
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if (!file_exists($path_to_check)) {
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fwrite(STDERR, 'Cannot locate ' . $path_to_check . PHP_EOL);
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exit(1);
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}
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$path_to_check = realpath($path_to_check);
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if (!$path_to_check) {
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fwrite(STDERR, 'Error getting realpath for file' . PHP_EOL);
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exit(1);
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}
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$paths_to_check[] = $path_to_check;
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}
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if (!$paths_to_check) {
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$paths_to_check = null;
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}
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}
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return $paths_to_check;
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}
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function getPsalmHelpText(): string
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{
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return <<<HELP
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Usage:
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psalm [options] [file...]
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Basic configuration:
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-c, --config=psalm.xml
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Path to a psalm.xml configuration file. Run psalm --init to create one.
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--use-ini-defaults
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Use PHP-provided ini defaults for memory and error display
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--disable-extension=[extension]
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Used to disable certain extensions while Psalm is running.
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--threads=INT
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If greater than one, Psalm will run analysis on multiple threads, speeding things up.
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--diff
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Runs Psalm in diff mode, only checking files that have changed since last run (and their dependents)
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--diff-methods
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Only checks methods that have changed since last run (and their dependents)
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Surfacing issues:
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--show-info[=BOOLEAN]
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Show non-exception parser findings (defaults to false).
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--show-snippet[=true]
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Show code snippets with errors. Options are 'true' or 'false'
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--find-dead-code[=auto]
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--find-unused-code[=auto]
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Look for unused code. Options are 'auto' or 'always'. If no value is specified, default is 'auto'
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--find-unused-psalm-suppress
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Finds all @psalm-suppress annotations that aren’t used
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--find-references-to=[class|method|property]
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Searches the codebase for references to the given fully-qualified class or method,
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where method is in the format class::methodName
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--no-suggestions
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Hide suggestions
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Issue baselines:
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--set-baseline=PATH
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Save all current error level issues to a file, to mark them as info in subsequent runs
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Add --include-php-versions to also include a list of PHP extension versions
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--ignore-baseline
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Ignore the error baseline
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--update-baseline
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Update the baseline by removing fixed issues. This will not add new issues to the baseline
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Add --include-php-versions to also include a list of PHP extension versions
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Plugins:
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--plugin=PATH
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Executes a plugin, an alternative to using the Psalm config
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Output:
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-m, --monochrome
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Enable monochrome output
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--output-format=console
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Changes the output format.
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Available formats: compact, console, text, emacs, json, pylint, xml, checkstyle, junit, sonarqube, github
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--no-progress
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Disable the progress indicator
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--long-progress
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Use a progress indicator suitable for Continuous Integration logs
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--stats
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Shows a breakdown of Psalm's ability to infer types in the codebase
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Reports:
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--report=PATH
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The path where to output report file. The output format is based on the file extension.
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(Currently supported format: ".json", ".xml", ".txt", ".emacs")
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--report-show-info[=BOOLEAN]
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Whether the report should include non-errors in its output (defaults to true)
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Caching:
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--clear-cache
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Clears all cache files that Psalm uses for this specific project
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--clear-global-cache
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Clears all cache files that Psalm uses for all projects
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--no-cache
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Runs Psalm without using cache
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--no-reflection-cache
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Runs Psalm without using cached representations of unchanged classes and files.
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Useful if you want the afterClassLikeVisit plugin hook to run every time you visit a file.
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--no-file-cache
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Runs Psalm without using caching every single file for later diffing.
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This reduces the space Psalm uses on disk and file I/O.
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Miscellaneous:
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-h, --help
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Display this help message
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-v, --version
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Display the Psalm version
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-i, --init [source_dir=src] [level=3]
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Create a psalm config file in the current directory that points to [source_dir]
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at the required level, from 1, most strict, to 8, most permissive.
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--debug
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Debug information
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--debug-by-line
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Debug information on a line-by-line level
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-r, --root
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If running Psalm globally you'll need to specify a project root. Defaults to cwd
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--generate-json-map=PATH
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Generate a map of node references and types in JSON format, saved to the given path.
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--generate-stubs=PATH
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Generate stubs for the project and dump the file in the given path
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--shepherd[=host]
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Send data to Shepherd, Psalm's GitHub integration tool.
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--alter
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Run Psalter
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--language-server
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Run Psalm Language Server
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HELP;
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}
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function initialiseConfig(
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?string $path_to_config,
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string $current_dir,
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string $output_format,
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?ClassLoader $first_autoloader
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): Config {
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try {
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if ($path_to_config) {
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$config = Config::loadFromXMLFile($path_to_config, $current_dir);
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} else {
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$config = Config::getConfigForPath($current_dir, $current_dir, $output_format);
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}
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} catch (Psalm\Exception\ConfigException $e) {
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fwrite(STDERR, $e->getMessage() . PHP_EOL);
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exit(1);
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}
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$config->setComposerClassLoader($first_autoloader);
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return $config;
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}
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function update_config_file(Config $config, string $config_file_path, string $baseline_path) : void
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{
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if ($config->error_baseline === $baseline_path) {
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return;
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}
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$configFile = $config_file_path;
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if (is_dir($config_file_path)) {
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$configFile = Config::locateConfigFile($config_file_path);
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}
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if (!$configFile) {
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fwrite(STDERR, "Don't forget to set errorBaseline=\"{$baseline_path}\" to your config.");
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return;
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}
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$configFileContents = file_get_contents($configFile);
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if ($config->error_baseline) {
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$amendedConfigFileContents = preg_replace(
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'/errorBaseline=".*?"/',
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"errorBaseline=\"{$baseline_path}\"",
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$configFileContents
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);
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} else {
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$endPsalmOpenTag = strpos($configFileContents, '>', (int)strpos($configFileContents, '<psalm'));
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if (!$endPsalmOpenTag) {
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fwrite(STDERR, " Don't forget to set errorBaseline=\"{$baseline_path}\" in your config.");
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return;
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}
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if ($configFileContents[$endPsalmOpenTag - 1] === "\n") {
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$amendedConfigFileContents = substr_replace(
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$configFileContents,
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" errorBaseline=\"{$baseline_path}\"\n>",
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$endPsalmOpenTag,
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1
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);
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} else {
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$amendedConfigFileContents = substr_replace(
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$configFileContents,
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" errorBaseline=\"{$baseline_path}\">",
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$endPsalmOpenTag,
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1
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);
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}
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}
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file_put_contents($configFile, $amendedConfigFileContents);
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}
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function get_path_to_config(array $options): ?string
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{
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$path_to_config = isset($options['c']) && is_string($options['c']) ? realpath($options['c']) : null;
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if ($path_to_config === false) {
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fwrite(STDERR, 'Could not resolve path to config ' . (string) ($options['c'] ?? '') . PHP_EOL);
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exit(1);
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}
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return $path_to_config;
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}
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function getMemoryLimitInBytes(): int
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{
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$limit = ini_get('memory_limit');
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// for unlimited = -1
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if ($limit < 0) {
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return -1;
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}
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if (preg_match('/^(\d+)(\D?)$/', $limit, $matches)) {
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$limit = (int)$matches[1];
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switch (strtoupper($matches[2] ?? '')) {
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case 'G':
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$limit *= 1024 * 1024 * 1024;
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break;
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case 'M':
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$limit *= 1024 * 1024;
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break;
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case 'K':
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$limit *= 1024;
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break;
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}
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}
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return (int)$limit;
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}
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