mirror of
https://github.com/danog/psalm.git
synced 2024-12-12 17:27:28 +01:00
569 lines
16 KiB
PHP
569 lines
16 KiB
PHP
<?php
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namespace Psalm;
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use Composer\Autoload\ClassLoader;
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use Phar;
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use Psalm\Internal\Composer;
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use function dirname;
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use function strpos;
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use function realpath;
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use const DIRECTORY_SEPARATOR;
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use function file_exists;
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use function in_array;
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use const PHP_EOL;
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use function fwrite;
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use const STDERR;
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use function implode;
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use function define;
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use function json_decode;
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use function file_get_contents;
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use function is_array;
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use function is_string;
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use function count;
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use function strlen;
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use function substr;
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use function stream_get_meta_data;
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use const STDIN;
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use function stream_set_blocking;
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use function fgets;
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use function preg_split;
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use function trim;
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use function is_dir;
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use function preg_replace;
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use function substr_replace;
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use function file_put_contents;
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use function ini_get;
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use function preg_match;
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use function strtoupper;
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function requireAutoloaders(string $current_dir, bool $has_explicit_root, string $vendor_dir): ?ClassLoader
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{
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$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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$nested_autoload_file = dirname($autoload_root, 2). 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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$composer_json_file = Composer::getJsonFilePath($autoload_root);
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if (!$has_autoloader && file_exists($composer_json_file)) {
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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', (string)\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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* @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(string $current_dir): string
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{
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$composer_json_path = Composer::getJsonFilePath($current_dir);
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if (!file_exists($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 list<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, $iMax = count($argv); $i < $iMax; ++$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 $f_paths
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*
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* @return list<string>|null
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*/
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function getPathsToCheck($f_paths): ?array
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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, $iMax = count($input_paths); $i < $iMax; ++$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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/**
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* @psalm-pure
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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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|
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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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--memory-limit=LIMIT
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Use a specific memory limit. Cannot be combined with --use-ini-defaults
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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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--no-diff
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Turns off Psalm’s diff mode, checks all files regardless of whether they've changed
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|
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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'
|
||
|
||
--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
|
||
|
||
--find-references-to=[class|method|property]
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||
Searches the codebase for references to the given fully-qualified class or method,
|
||
where method is in the format class::methodName
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||
|
||
--no-suggestions
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||
Hide suggestions
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||
|
||
--taint-analysis
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Run Psalm in taint analysis mode – see https://psalm.dev/docs/security_analysis for more info
|
||
|
||
Issue baselines:
|
||
--set-baseline=PATH
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Save all current error level issues to a file, to mark them as info in subsequent runs
|
||
|
||
Add --include-php-versions to also include a list of PHP extension versions
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||
--use-baseline=PATH
|
||
Allows you to use a baseline other than the default baseline provided in your config
|
||
|
||
--ignore-baseline
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||
Ignore the error baseline
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||
|
||
--update-baseline
|
||
Update the baseline by removing fixed issues. This will not add new issues to the baseline
|
||
|
||
Add --include-php-versions to also include a list of PHP extension versions
|
||
|
||
Plugins:
|
||
--plugin=PATH
|
||
Executes a plugin, an alternative to using the Psalm config
|
||
|
||
Output:
|
||
-m, --monochrome
|
||
Enable monochrome output
|
||
|
||
--output-format=console
|
||
Changes the output format.
|
||
Available formats: compact, console, text, emacs, json, pylint, xml, checkstyle, junit, sonarqube, github,
|
||
phpstorm
|
||
|
||
--no-progress
|
||
Disable the progress indicator
|
||
|
||
--long-progress
|
||
Use a progress indicator suitable for Continuous Integration logs
|
||
|
||
--stats
|
||
Shows a breakdown of Psalm's ability to infer types in the codebase
|
||
|
||
Reports:
|
||
--report=PATH
|
||
The path where to output report file. The output format is based on the file extension.
|
||
(Currently supported formats: ".json", ".xml", ".txt", ".emacs", ".pylint", ".console",
|
||
".sarif", "checkstyle.xml", "sonarqube.json", "summary.json", "junit.xml")
|
||
|
||
--report-show-info[=BOOLEAN]
|
||
Whether the report should include non-errors in its output (defaults to true)
|
||
|
||
Caching:
|
||
--clear-cache
|
||
Clears all cache files that Psalm uses for this specific project
|
||
|
||
--clear-global-cache
|
||
Clears all cache files that Psalm uses for all projects
|
||
|
||
--no-cache
|
||
Runs Psalm without using cache
|
||
|
||
--no-reflection-cache
|
||
Runs Psalm without using cached representations of unchanged classes and files.
|
||
Useful if you want the afterClassLikeVisit plugin hook to run every time you visit a file.
|
||
|
||
--no-file-cache
|
||
Runs Psalm without using caching every single file for later diffing.
|
||
This reduces the space Psalm uses on disk and file I/O.
|
||
|
||
Miscellaneous:
|
||
-h, --help
|
||
Display this help message
|
||
|
||
-v, --version
|
||
Display the Psalm version
|
||
|
||
-i, --init [source_dir=src] [level=3]
|
||
Create a psalm config file in the current directory that points to [source_dir]
|
||
at the required level, from 1, most strict, to 8, most permissive.
|
||
|
||
--debug
|
||
Debug information
|
||
|
||
--debug-by-line
|
||
Debug information on a line-by-line level
|
||
|
||
--debug-emitted-issues
|
||
Print a php backtrace to stderr when emitting issues.
|
||
|
||
-r, --root
|
||
If running Psalm globally you'll need to specify a project root. Defaults to cwd
|
||
|
||
--generate-json-map=PATH
|
||
Generate a map of node references and types in JSON format, saved to the given path.
|
||
|
||
--generate-stubs=PATH
|
||
Generate stubs for the project and dump the file in the given path
|
||
|
||
--shepherd[=host]
|
||
Send data to Shepherd, Psalm's GitHub integration tool.
|
||
|
||
--alter
|
||
Run Psalter
|
||
|
||
--language-server
|
||
Run Psalm Language Server
|
||
|
||
HELP;
|
||
}
|
||
|
||
function initialiseConfig(
|
||
?string $path_to_config,
|
||
string $current_dir,
|
||
string $output_format,
|
||
?ClassLoader $first_autoloader
|
||
): Config {
|
||
try {
|
||
if ($path_to_config) {
|
||
$config = Config::loadFromXMLFile($path_to_config, $current_dir);
|
||
} else {
|
||
$config = Config::getConfigForPath($current_dir, $current_dir, $output_format);
|
||
}
|
||
} catch (\Psalm\Exception\ConfigException $e) {
|
||
fwrite(STDERR, $e->getMessage() . PHP_EOL);
|
||
exit(1);
|
||
}
|
||
|
||
$config->setComposerClassLoader($first_autoloader);
|
||
|
||
return $config;
|
||
}
|
||
|
||
function update_config_file(Config $config, string $config_file_path, string $baseline_path) : void
|
||
{
|
||
if ($config->error_baseline === $baseline_path) {
|
||
return;
|
||
}
|
||
|
||
$configFile = $config_file_path;
|
||
|
||
if (is_dir($config_file_path)) {
|
||
$configFile = Config::locateConfigFile($config_file_path);
|
||
}
|
||
|
||
if (!$configFile) {
|
||
fwrite(STDERR, "Don't forget to set errorBaseline=\"{$baseline_path}\" to your config.");
|
||
|
||
return;
|
||
}
|
||
|
||
$configFileContents = file_get_contents($configFile);
|
||
|
||
if ($config->error_baseline) {
|
||
$amendedConfigFileContents = preg_replace(
|
||
'/errorBaseline=".*?"/',
|
||
"errorBaseline=\"{$baseline_path}\"",
|
||
$configFileContents
|
||
);
|
||
} else {
|
||
$endPsalmOpenTag = strpos($configFileContents, '>', (int)strpos($configFileContents, '<psalm'));
|
||
|
||
if (!$endPsalmOpenTag) {
|
||
fwrite(STDERR, " Don't forget to set errorBaseline=\"{$baseline_path}\" in your config.");
|
||
return;
|
||
}
|
||
|
||
if ($configFileContents[$endPsalmOpenTag - 1] === "\n") {
|
||
$amendedConfigFileContents = substr_replace(
|
||
$configFileContents,
|
||
" errorBaseline=\"{$baseline_path}\"\n>",
|
||
$endPsalmOpenTag,
|
||
1
|
||
);
|
||
} else {
|
||
$amendedConfigFileContents = substr_replace(
|
||
$configFileContents,
|
||
" errorBaseline=\"{$baseline_path}\">",
|
||
$endPsalmOpenTag,
|
||
1
|
||
);
|
||
}
|
||
}
|
||
|
||
file_put_contents($configFile, $amendedConfigFileContents);
|
||
}
|
||
|
||
function get_path_to_config(array $options): ?string
|
||
{
|
||
$path_to_config = isset($options['c']) && is_string($options['c']) ? realpath($options['c']) : null;
|
||
|
||
if ($path_to_config === false) {
|
||
fwrite(STDERR, 'Could not resolve path to config ' . (string) ($options['c'] ?? '') . PHP_EOL);
|
||
exit(1);
|
||
}
|
||
return $path_to_config;
|
||
}
|
||
|
||
/**
|
||
* @psalm-pure
|
||
*/
|
||
function getMemoryLimitInBytes(): int
|
||
{
|
||
$limit = ini_get('memory_limit');
|
||
// for unlimited = -1
|
||
if ($limit < 0) {
|
||
return -1;
|
||
}
|
||
|
||
if (preg_match('/^(\d+)(\D?)$/', $limit, $matches)) {
|
||
$limit = (int)$matches[1];
|
||
switch (strtoupper($matches[2] ?? '')) {
|
||
case 'G':
|
||
$limit *= 1024 * 1024 * 1024;
|
||
break;
|
||
case 'M':
|
||
$limit *= 1024 * 1024;
|
||
break;
|
||
case 'K':
|
||
$limit *= 1024;
|
||
break;
|
||
}
|
||
}
|
||
|
||
return (int)$limit;
|
||
}
|