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psalm/src/Psalm/Config.php
2019-06-05 08:50:24 -04:00

1729 lines
52 KiB
PHP

<?php
namespace Psalm;
use Composer\Autoload\ClassLoader;
use Psalm\Internal\Analyzer\ClassLikeAnalyzer;
use Psalm\Internal\Analyzer\ProjectAnalyzer;
use Psalm\Issue\ClassIssue;
use Psalm\Issue\CodeIssue;
use Psalm\Issue\FunctionIssue;
use Psalm\Issue\MethodIssue;
use Psalm\Issue\ArgumentIssue;
use Psalm\Issue\PropertyIssue;
use Psalm\Config\IssueHandler;
use Psalm\Config\ProjectFileFilter;
use Psalm\Exception\ConfigException;
use Psalm\Internal\Analyzer\FileAnalyzer;
use Psalm\Internal\Scanner\FileScanner;
use Psalm\Plugin\Hook;
use Psalm\PluginRegistrationSocket;
use Psalm\Progress\Progress;
use Psalm\Progress\VoidProgress;
use SimpleXMLElement;
class Config
{
const DEFAULT_FILE_NAME = 'psalm.xml';
const REPORT_INFO = 'info';
const REPORT_ERROR = 'error';
const REPORT_SUPPRESS = 'suppress';
/**
* @var array<string>
*/
public static $ERROR_LEVELS = [
self::REPORT_INFO,
self::REPORT_ERROR,
self::REPORT_SUPPRESS,
];
/**
* @var array
*/
const MIXED_ISSUES = [
'MixedArgument',
'MixedArrayAccess',
'MixedArrayAssignment',
'MixedArrayOffset',
'MixedArrayTypeCoercion',
'MixedAssignment',
'MixedFunctionCall',
'MixedInferredReturnType',
'MixedMethodCall',
'MixedOperand',
'MixedPropertyFetch',
'MixedPropertyAssignment',
'MixedReturnStatement',
'MixedStringOffsetAssignment',
'MixedTypeCoercion',
'MixedArgumentTypeCoercion',
'MixedPropertyTypeCoercion',
'MixedReturnTypeCoercion',
];
/**
* @var self|null
*/
private static $instance;
/**
* Whether or not to use types as defined in docblocks
*
* @var bool
*/
public $use_docblock_types = true;
/**
* Whether or not to use types as defined in property docblocks.
* This is distinct from the above because you may want to use
* property docblocks, but not function docblocks.
*
* @var bool
*/
public $use_docblock_property_types = true;
/**
* Whether or not to throw an exception on first error
*
* @var bool
*/
public $throw_exception = false;
/**
* The directory to store PHP Parser (and other) caches
*
* @var string
*/
public $cache_directory;
/**
* The directory to store all Psalm project caches
*
* @var string|null
*/
public $global_cache_directory;
/**
* Path to the autoader
*
* @var string|null
*/
public $autoloader;
/**
* @var ProjectFileFilter|null
*/
protected $project_files;
/**
* The base directory of this config file
*
* @var string
*/
public $base_dir;
/**
* @var array<int, string>
*/
private $file_extensions = ['php'];
/**
* @var array<string, class-string<FileScanner>>
*/
private $filetype_scanners = [];
/**
* @var array<string, class-string<FileAnalyzer>>
*/
private $filetype_analyzers = [];
/**
* @var array<string, string>
*/
private $filetype_scanner_paths = [];
/**
* @var array<string, string>
*/
private $filetype_analyzer_paths = [];
/**
* @var array<string, IssueHandler>
*/
private $issue_handlers = [];
/**
* @var array<int, string>
*/
private $mock_classes = [];
/**
* @var array<int, string>
*/
private $stub_files = [];
/**
* @var bool
*/
public $hide_external_errors = true;
/** @var bool */
public $allow_includes = true;
/** @var bool */
public $totally_typed = false;
/** @var bool */
public $strict_binary_operands = false;
/** @var bool */
public $add_void_docblocks = true;
/**
* If true, assert() calls can be used to check types of variables
*
* @var bool
*/
public $use_assert_for_type = true;
/**
* @var bool
*/
public $remember_property_assignments_after_call = true;
/** @var bool */
public $use_igbinary = false;
/**
* @var bool
*/
public $allow_phpstorm_generics = false;
/**
* @var bool
*/
public $allow_string_standin_for_class = false;
/**
* @var bool
*/
public $use_phpdoc_method_without_magic_or_parent = false;
/**
* @var bool
*/
public $memoize_method_calls = false;
/**
* @var bool
*/
public $hoist_constants = false;
/**
* @var bool
*/
public $add_param_default_to_docblock_type = false;
/**
* @var bool
*/
public $check_for_throws_docblock = false;
/**
* @var bool
*/
public $check_for_throws_in_global_scope = false;
/**
* @var bool
*/
public $ignore_internal_falsable_issues = true;
/**
* @var bool
*/
public $ignore_internal_nullable_issues = true;
/**
* @var array<string, bool>
*/
public $ignored_exceptions = [];
/**
* @var array<string, bool>
*/
public $ignored_exceptions_in_global_scope = [];
/**
* @var array<string, bool>
*/
public $ignored_exceptions_and_descendants = [];
/**
* @var array<string, bool>
*/
public $ignored_exceptions_and_descendants_in_global_scope = [];
/**
* @var array<string, bool>
*/
public $forbidden_functions = [];
/**
* @var bool
*/
public $forbid_echo = false;
/**
* @var bool
*/
public $find_unused_code = false;
/**
* @var bool
*/
public $find_unused_variables = false;
/**
* @var string[]
*/
public $plugin_paths = [];
/**
* @var array<array{class:string,config:?SimpleXMLElement}>
*/
private $plugin_classes = [];
/**
* Static methods to be called after method checks have completed
*
* @var class-string<Hook\AfterMethodCallAnalysisInterface>[]
*/
public $after_method_checks = [];
/**
* Static methods to be called after function checks have completed
*
* @var class-string<Hook\AfterFunctionCallAnalysisInterface>[]
*/
public $after_function_checks = [];
/**
* Static methods to be called after expression checks have completed
*
* @var class-string<Hook\AfterExpressionAnalysisInterface>[]
*/
public $after_expression_checks = [];
/**
* Static methods to be called after statement checks have completed
*
* @var class-string<Hook\AfterStatementAnalysisInterface>[]
*/
public $after_statement_checks = [];
/**
* Static methods to be called after method checks have completed
*
* @var class-string<Hook\StringInterpreterInterface>[]
*/
public $string_interpreters = [];
/**
* Static methods to be called after classlike exists checks have completed
*
* @var class-string<Hook\AfterClassLikeExistenceCheckInterface>[]
*/
public $after_classlike_exists_checks = [];
/**
* Static methods to be called after classlike checks have completed
*
* @var class-string<Hook\AfterClassLikeAnalysisInterface>[]
*/
public $after_classlike_checks = [];
/**
* Static methods to be called after classlikes have been scanned
*
* @var class-string<Hook\AfterClassLikeVisitInterface>[]
*/
public $after_visit_classlikes = [];
/**
* Static methods to be called after codebase has been populated
* @var class-string<Hook\AfterCodebasePopulatedInterface>[]
*/
public $after_codebase_populated = [];
/**
* Static methods to be called after codebase has been populated
* @var class-string<Hook\AfterAnalysisInterface>[]
*/
public $after_analysis = [];
/** @var array<string, mixed> */
private $predefined_constants;
/** @var array<callable-string, bool> */
private $predefined_functions = [];
/** @var ClassLoader|null */
private $composer_class_loader;
/**
* Custom functions that always exit
*
* @var array<string, bool>
*/
public $exit_functions = [];
/**
* @var string
*/
public $hash = '';
/** @var string|null */
public $error_baseline = null;
/** @var string */
public $shepherd_host = 'shepherd.dev';
/**
* @var array<string, string>
*/
public $globals = [];
/**
* @var bool
*/
public $parse_sql = false;
/**
* @var int
*/
public $max_string_length = 1000;
protected function __construct()
{
self::$instance = $this;
}
/**
* Gets a Config object from an XML file.
*
* Searches up a folder hierarchy for the most immediate config.
*
* @param string $path
* @param string $base_dir
* @param string $output_format
*
* @throws ConfigException if a config path is not found
*
* @return Config
* @psalm-suppress MixedArgument
*/
public static function getConfigForPath($path, $base_dir, $output_format)
{
$config_path = self::locateConfigFile($path);
if (!$config_path) {
if ($output_format === ProjectAnalyzer::TYPE_CONSOLE) {
exit(
'Could not locate a config XML file in path ' . $path . '. Have you run \'psalm --init\' ?' .
PHP_EOL
);
}
throw new ConfigException('Config not found for path ' . $path);
}
return self::loadFromXMLFile($config_path, $base_dir);
}
/**
* Searches up a folder hierarchy for the most immediate config.
*
* @throws ConfigException
* @return ?string
*/
public static function locateConfigFile(string $path)
{
$dir_path = realpath($path);
if ($dir_path === false) {
throw new ConfigException('Config not found for path ' . $path);
}
if (!is_dir($dir_path)) {
$dir_path = dirname($dir_path);
}
do {
$maybe_path = $dir_path . DIRECTORY_SEPARATOR . Config::DEFAULT_FILE_NAME;
if (file_exists($maybe_path) || file_exists($maybe_path .= '.dist')) {
return $maybe_path;
}
$dir_path = dirname($dir_path);
} while (dirname($dir_path) !== $dir_path);
return null;
}
/**
* Creates a new config object from the file
*
* @param string $file_path
* @param string $base_dir
*
* @return self
*/
public static function loadFromXMLFile($file_path, $base_dir)
{
$file_contents = file_get_contents($file_path);
if ($file_contents === false) {
throw new \InvalidArgumentException('Cannot open ' . $file_path);
}
try {
$config = self::loadFromXML($base_dir, $file_contents);
$config->hash = sha1($file_contents . \PSALM_VERSION);
} catch (ConfigException $e) {
throw new ConfigException(
'Problem parsing ' . $file_path . ":\n" . ' ' . $e->getMessage()
);
}
return $config;
}
/**
* Creates a new config object from an XML string
*
* @param string $base_dir
* @param string $file_contents
*
* @return self
* @psalm-suppress MixedArgument
* @psalm-suppress MixedPropertyFetch
* @psalm-suppress MixedMethodCall
* @psalm-suppress MixedAssignment
* @psalm-suppress MixedOperand
* @psalm-suppress MixedPropertyAssignment
*/
public static function loadFromXML($base_dir, $file_contents)
{
$config = new static();
$config->base_dir = $base_dir;
$schema_path = dirname(dirname(__DIR__)) . '/config.xsd';
if (!file_exists($schema_path)) {
throw new ConfigException('Cannot locate config schema');
}
$dom_document = new \DOMDocument();
$dom_document->loadXML($file_contents);
$psalm_nodes = $dom_document->getElementsByTagName('psalm');
/** @var \DomElement|null */
$psalm_node = $psalm_nodes->item(0);
if (!$psalm_node) {
throw new ConfigException(
'Missing psalm node'
);
}
if (!$psalm_node->hasAttribute('xmlns')) {
$psalm_node->setAttribute('xmlns', 'https://getpsalm.org/schema/config');
$old_dom_document = $dom_document;
$dom_document = new \DOMDocument();
$dom_document->loadXML($old_dom_document->saveXML());
}
// Enable user error handling
libxml_use_internal_errors(true);
if (!$dom_document->schemaValidate($schema_path)) {
$errors = libxml_get_errors();
foreach ($errors as $error) {
if ($error->level === LIBXML_ERR_FATAL || $error->level === LIBXML_ERR_ERROR) {
throw new ConfigException(
'Error on line ' . $error->line . ":\n" . ' ' . $error->message
);
}
}
libxml_clear_errors();
}
$config_xml = new SimpleXMLElement($file_contents);
if (isset($config_xml['useDocblockTypes'])) {
$attribute_text = (string) $config_xml['useDocblockTypes'];
$config->use_docblock_types = $attribute_text === 'true' || $attribute_text === '1';
}
if (isset($config_xml['useDocblockPropertyTypes'])) {
$attribute_text = (string) $config_xml['useDocblockPropertyTypes'];
$config->use_docblock_property_types = $attribute_text === 'true' || $attribute_text === '1';
}
if (isset($config_xml['throwExceptionOnError'])) {
$attribute_text = (string) $config_xml['throwExceptionOnError'];
$config->throw_exception = $attribute_text === 'true' || $attribute_text === '1';
}
if (isset($config_xml['hideExternalErrors'])) {
$attribute_text = (string) $config_xml['hideExternalErrors'];
$config->hide_external_errors = $attribute_text === 'true' || $attribute_text === '1';
}
if (isset($config_xml['autoloader'])) {
$autoloader_path = $config->base_dir . DIRECTORY_SEPARATOR . $config_xml['autoloader'];
if (!file_exists($autoloader_path)) {
throw new ConfigException('Cannot locate autoloader');
}
$config->autoloader = realpath($autoloader_path);
}
if (isset($config_xml['cacheDirectory'])) {
$config->cache_directory = (string)$config_xml['cacheDirectory'];
} else {
$config->cache_directory = sys_get_temp_dir() . '/psalm';
}
$config->global_cache_directory = $config->cache_directory;
$config->cache_directory .= DIRECTORY_SEPARATOR . sha1($base_dir);
if (is_dir($config->cache_directory) === false && @mkdir($config->cache_directory, 0777, true) === false) {
trigger_error('Could not create cache directory: ' . $config->cache_directory, E_USER_ERROR);
}
if (isset($config_xml['allowFileIncludes'])) {
$attribute_text = (string) $config_xml['allowFileIncludes'];
$config->allow_includes = $attribute_text === 'true' || $attribute_text === '1';
}
if (isset($config_xml['totallyTyped'])) {
$attribute_text = (string) $config_xml['totallyTyped'];
$config->totally_typed = $attribute_text === 'true' || $attribute_text === '1';
}
if (isset($config_xml['strictBinaryOperands'])) {
$attribute_text = (string) $config_xml['strictBinaryOperands'];
$config->strict_binary_operands = $attribute_text === 'true' || $attribute_text === '1';
}
if (isset($config_xml['requireVoidReturnType'])) {
$attribute_text = (string) $config_xml['requireVoidReturnType'];
$config->add_void_docblocks = $attribute_text === 'true' || $attribute_text === '1';
}
if (isset($config_xml['useAssertForType'])) {
$attribute_text = (string) $config_xml['useAssertForType'];
$config->use_assert_for_type = $attribute_text === 'true' || $attribute_text === '1';
}
if (isset($config_xml['rememberPropertyAssignmentsAfterCall'])) {
$attribute_text = (string) $config_xml['rememberPropertyAssignmentsAfterCall'];
$config->remember_property_assignments_after_call = $attribute_text === 'true' || $attribute_text === '1';
}
if (isset($config_xml['serializer'])) {
$attribute_text = (string) $config_xml['serializer'];
$config->use_igbinary = $attribute_text === 'igbinary';
} elseif ($igbinary_version = phpversion('igbinary')) {
$config->use_igbinary = version_compare($igbinary_version, '2.0.5') >= 0;
}
if (isset($config_xml['allowPhpStormGenerics'])) {
$attribute_text = (string) $config_xml['allowPhpStormGenerics'];
$config->allow_phpstorm_generics = $attribute_text === 'true' || $attribute_text === '1';
}
if (isset($config_xml['allowStringToStandInForClass'])) {
$attribute_text = (string) $config_xml['allowStringToStandInForClass'];
$config->allow_string_standin_for_class = $attribute_text === 'true' || $attribute_text === '1';
}
if (isset($config_xml['usePhpDocMethodsWithoutMagicCall'])) {
$attribute_text = (string) $config_xml['usePhpDocMethodsWithoutMagicCall'];
$config->use_phpdoc_method_without_magic_or_parent = $attribute_text === 'true' || $attribute_text === '1';
}
if (isset($config_xml['memoizeMethodCallResults'])) {
$attribute_text = (string) $config_xml['memoizeMethodCallResults'];
$config->memoize_method_calls = $attribute_text === 'true' || $attribute_text === '1';
}
if (isset($config_xml['hoistConstants'])) {
$attribute_text = (string) $config_xml['hoistConstants'];
$config->hoist_constants = $attribute_text === 'true' || $attribute_text === '1';
}
if (isset($config_xml['addParamDefaultToDocblockType'])) {
$attribute_text = (string) $config_xml['addParamDefaultToDocblockType'];
$config->add_param_default_to_docblock_type = $attribute_text === 'true' || $attribute_text === '1';
}
if (isset($config_xml['checkForThrowsDocblock'])) {
$attribute_text = (string) $config_xml['checkForThrowsDocblock'];
$config->check_for_throws_docblock = $attribute_text === 'true' || $attribute_text === '1';
}
if (isset($config_xml['checkForThrowsInGlobalScope'])) {
$attribute_text = (string) $config_xml['checkForThrowsInGlobalScope'];
$config->check_for_throws_in_global_scope = $attribute_text === 'true' || $attribute_text === '1';
}
if (isset($config_xml['forbidEcho'])) {
$attribute_text = (string) $config_xml['forbidEcho'];
$config->forbid_echo = $attribute_text === 'true' || $attribute_text === '1';
}
if (isset($config_xml['findUnusedCode'])) {
$attribute_text = (string) $config_xml['findUnusedCode'];
$config->find_unused_code = $attribute_text === 'true' || $attribute_text === '1';
$config->find_unused_variables = $config->find_unused_code;
}
if (isset($config_xml['findUnusedVariablesAndParams'])) {
$attribute_text = (string) $config_xml['findUnusedVariablesAndParams'];
$config->find_unused_variables = $attribute_text === 'true' || $attribute_text === '1';
}
if (isset($config_xml['ignoreInternalFunctionFalseReturn'])) {
$attribute_text = (string) $config_xml['ignoreInternalFunctionFalseReturn'];
$config->ignore_internal_falsable_issues = $attribute_text === 'true' || $attribute_text === '1';
}
if (isset($config_xml['ignoreInternalFunctionNullReturn'])) {
$attribute_text = (string) $config_xml['ignoreInternalFunctionNullReturn'];
$config->ignore_internal_nullable_issues = $attribute_text === 'true' || $attribute_text === '1';
}
if (isset($config_xml['errorBaseline'])) {
$attribute_text = (string) $config_xml['errorBaseline'];
$config->error_baseline = $attribute_text;
}
if (isset($config_xml['maxStringLength'])) {
$attribute_text = intval($config_xml['maxStringLength']);
$config->max_string_length = $attribute_text;
}
if (isset($config_xml['parseSql'])) {
$attribute_text = (string) $config_xml['parseSql'];
$config->parse_sql = $attribute_text === 'true' || $attribute_text === '1';
}
if (isset($config_xml->projectFiles)) {
$config->project_files = ProjectFileFilter::loadFromXMLElement($config_xml->projectFiles, $base_dir, true);
}
if (isset($config_xml->fileExtensions)) {
$config->file_extensions = [];
$config->loadFileExtensions($config_xml->fileExtensions->extension);
}
if (isset($config_xml->mockClasses) && isset($config_xml->mockClasses->class)) {
/** @var \SimpleXMLElement $mock_class */
foreach ($config_xml->mockClasses->class as $mock_class) {
$config->mock_classes[] = strtolower((string)$mock_class['name']);
}
}
if (isset($config_xml->ignoreExceptions)) {
if (isset($config_xml->ignoreExceptions->class)) {
/** @var \SimpleXMLElement $exception_class */
foreach ($config_xml->ignoreExceptions->class as $exception_class) {
$exception_name = (string) $exception_class['name'];
$global_attribute_text = (string) $exception_class['onlyGlobalScope'];
if ($global_attribute_text !== 'true' && $global_attribute_text !== '1') {
$config->ignored_exceptions[$exception_name] = true;
}
$config->ignored_exceptions_in_global_scope[$exception_name] = true;
}
}
if (isset($config_xml->ignoreExceptions->classAndDescendants)) {
/** @var \SimpleXMLElement $exception_class */
foreach ($config_xml->ignoreExceptions->classAndDescendants as $exception_class) {
$exception_name = (string) $exception_class['name'];
$global_attribute_text = (string) $exception_class['onlyGlobalScope'];
if ($global_attribute_text !== 'true' && $global_attribute_text !== '1') {
$config->ignored_exceptions_and_descendants[$exception_name] = true;
}
$config->ignored_exceptions_and_descendants_in_global_scope[$exception_name] = true;
}
}
}
if (isset($config_xml->forbiddenFunctions) && isset($config_xml->forbiddenFunctions->function)) {
/** @var \SimpleXMLElement $forbidden_function */
foreach ($config_xml->forbiddenFunctions->function as $forbidden_function) {
$config->forbidden_functions[strtolower((string) $forbidden_function['name'])] = true;
}
}
if (isset($config_xml->exitFunctions) && isset($config_xml->exitFunctions->function)) {
/** @var \SimpleXMLElement $exit_function */
foreach ($config_xml->exitFunctions->function as $exit_function) {
$config->exit_functions[strtolower((string) $exit_function['name'])] = true;
}
}
if (isset($config_xml->stubs) && isset($config_xml->stubs->file)) {
/** @var \SimpleXMLElement $stub_file */
foreach ($config_xml->stubs->file as $stub_file) {
$file_path = realpath($config->base_dir . DIRECTORY_SEPARATOR . $stub_file['name']);
if (!$file_path) {
throw new Exception\ConfigException(
'Cannot resolve stubfile path ' . $config->base_dir . DIRECTORY_SEPARATOR . $stub_file['name']
);
}
$config->addStubFile($file_path);
}
}
// this plugin loading system borrows heavily from etsy/phan
if (isset($config_xml->plugins)) {
if (isset($config_xml->plugins->plugin)) {
/** @var \SimpleXMLElement $plugin */
foreach ($config_xml->plugins->plugin as $plugin) {
$plugin_file_name = (string) $plugin['filename'];
$path = isAbsolutePath($plugin_file_name)
? $plugin_file_name
: $config->base_dir . $plugin_file_name;
$config->addPluginPath($path);
}
}
if (isset($config_xml->plugins->pluginClass)) {
/** @var \SimpleXMLElement $plugin */
foreach ($config_xml->plugins->pluginClass as $plugin) {
$plugin_class_name = $plugin['class'];
// any child elements are used as plugin configuration
$plugin_config = null;
if ($plugin->count()) {
$plugin_config = $plugin->children();
}
$config->addPluginClass($plugin_class_name, $plugin_config);
}
}
}
if (isset($config_xml->issueHandlers)) {
/** @var \SimpleXMLElement $issue_handler */
foreach ($config_xml->issueHandlers->children() as $key => $issue_handler) {
if ($key === 'PluginIssue') {
$custom_class_name = (string) $issue_handler['name'];
/** @var string $key */
$config->issue_handlers[$custom_class_name] = IssueHandler::loadFromXMLElement(
$issue_handler,
$base_dir
);
} else {
/** @var string $key */
$config->issue_handlers[$key] = IssueHandler::loadFromXMLElement(
$issue_handler,
$base_dir
);
}
}
}
if (isset($config_xml->globals) && isset($config_xml->globals->var)) {
/** @var \SimpleXMLElement $var */
foreach ($config_xml->globals->var as $var) {
$config->globals['$' . (string) $var['name']] = (string) $var['type'];
}
}
return $config;
}
/**
* @param string $autoloader_path
*
* @return void
*
* @psalm-suppress UnresolvableInclude
*/
private function requireAutoloader($autoloader_path)
{
require_once($autoloader_path);
}
/**
* @return $this
*/
public static function getInstance()
{
if (self::$instance) {
return self::$instance;
}
throw new \UnexpectedValueException('No config initialized');
}
/**
* @return void
*/
public function setComposerClassLoader(?ClassLoader $loader = null)
{
$this->composer_class_loader = $loader;
}
/**
* @param string $issue_key
* @param string $error_level
*
* @return void
*/
public function setCustomErrorLevel($issue_key, $error_level)
{
$this->issue_handlers[$issue_key] = new IssueHandler();
$this->issue_handlers[$issue_key]->setErrorLevel($error_level);
}
/**
* @param array<SimpleXMLElement> $extensions
*
* @throws ConfigException if a Config file could not be found
*
* @return void
*/
private function loadFileExtensions($extensions)
{
foreach ($extensions as $extension) {
$extension_name = preg_replace('/^\.?/', '', (string)$extension['name']);
$this->file_extensions[] = $extension_name;
if (isset($extension['scanner'])) {
$path = $this->base_dir . (string)$extension['scanner'];
if (!file_exists($path)) {
throw new Exception\ConfigException('Error parsing config: cannot find file ' . $path);
}
$this->filetype_scanner_paths[$extension_name] = $path;
}
if (isset($extension['checker'])) {
$path = $this->base_dir . (string)$extension['checker'];
if (!file_exists($path)) {
throw new Exception\ConfigException('Error parsing config: cannot find file ' . $path);
}
$this->filetype_analyzer_paths[$extension_name] = $path;
}
}
}
/**
* @param string $path
*
* @return void
*/
public function addPluginPath($path)
{
if (!file_exists($path)) {
throw new \InvalidArgumentException('Cannot find plugin file ' . $path);
}
$this->plugin_paths[] = $path;
}
/** @return void */
public function addPluginClass(string $class_name, SimpleXMLElement $plugin_config = null)
{
$this->plugin_classes[] = ['class' => $class_name, 'config' => $plugin_config];
}
/** @return array<array{class:string, config:?SimpleXmlElement}> */
public function getPluginClasses(): array
{
return $this->plugin_classes;
}
/**
* Initialises all the plugins (done once the config is fully loaded)
*
* @return void
* @psalm-suppress MixedAssignment
* @psalm-suppress MixedTypeCoercion
*/
public function initializePlugins(ProjectAnalyzer $project_analyzer)
{
$codebase = $project_analyzer->getCodebase();
$socket = new PluginRegistrationSocket($this, $codebase);
// initialize plugin classes earlier to let them hook into subsequent load process
foreach ($this->plugin_classes as $plugin_class_entry) {
$plugin_class_name = $plugin_class_entry['class'];
$plugin_config = $plugin_class_entry['config'];
try {
// Below will attempt to load plugins from the project directory first.
// Failing that, it will use registered autoload chain, which will load
// plugins from Psalm directory or phar file. If that fails as well, it
// will fall back to project autoloader. It may seem that the last step
// will always fail, but it's only true if project uses Composer autoloader
if ($this->composer_class_loader
&& ($plugin_class_path = $this->composer_class_loader->findFile($plugin_class_name))
) {
/** @psalm-suppress UnresolvableInclude */
require_once($plugin_class_path);
} else {
if (!class_exists($plugin_class_name, true)) {
throw new \UnexpectedValueException($plugin_class_name . ' is not a known class');
}
}
/**
* @psalm-suppress InvalidStringClass
* @var Plugin\PluginEntryPointInterface $plugin_object
*/
$plugin_object = new $plugin_class_name;
$plugin_object($socket, $plugin_config);
} catch (\Throwable $e) {
throw new ConfigException('Failed to load plugin ' . $plugin_class_name, 0, $e);
}
}
foreach ($this->filetype_scanner_paths as $extension => $path) {
$fq_class_name = $this->getPluginClassForPath(
$codebase,
$path,
FileScanner::class
);
/** @psalm-suppress UnresolvableInclude */
require_once($path);
$this->filetype_scanners[$extension] = $fq_class_name;
}
foreach ($this->filetype_analyzer_paths as $extension => $path) {
$fq_class_name = $this->getPluginClassForPath(
$codebase,
$path,
FileAnalyzer::class
);
/** @psalm-suppress UnresolvableInclude */
require_once($path);
$this->filetype_analyzers[$extension] = $fq_class_name;
}
foreach ($this->plugin_paths as $path) {
try {
$plugin_object = new FileBasedPluginAdapter($path, $this, $codebase);
$plugin_object($socket);
} catch (\Throwable $e) {
throw new ConfigException('Failed to load plugin ' . $path, 0, $e);
}
}
}
/**
* @template T
*
* @param string $path
* @param T::class $must_extend
*
* @return class-string<T>
*/
private function getPluginClassForPath(Codebase $codebase, $path, $must_extend)
{
$file_storage = $codebase->createFileStorageForPath($path);
$file_to_scan = new FileScanner($path, $this->shortenFileName($path), true);
$file_to_scan->scan(
$codebase,
$file_storage
);
$declared_classes = ClassLikeAnalyzer::getClassesForFile($codebase, $path);
if (!count($declared_classes)) {
throw new \InvalidArgumentException(
'Plugins must have at least one class in the file - ' . $path . ' has ' .
count($declared_classes)
);
}
$fq_class_name = reset($declared_classes);
if (!$codebase->classlikes->classExtends(
$fq_class_name,
$must_extend
)
) {
throw new \InvalidArgumentException(
'This plugin must extend ' . $must_extend . ' - ' . $path . ' does not'
);
}
/**
* @var class-string<T>
*/
return $fq_class_name;
}
/**
* @param string $file_name
*
* @return string
*/
public function shortenFileName($file_name)
{
return preg_replace('/^' . preg_quote($this->base_dir, '/') . '/', '', $file_name);
}
/**
* @param string $issue_type
* @param string $file_path
*
* @return bool
*/
public function reportIssueInFile($issue_type, $file_path)
{
if (!$this->totally_typed && in_array($issue_type, self::MIXED_ISSUES, true)) {
return false;
}
if ($this->hide_external_errors) {
if ($this->mustBeIgnored($file_path)) {
return false;
}
$project_analyzer = ProjectAnalyzer::getInstance();
$codebase = $project_analyzer->getCodebase();
$dependent_files = [strtolower($file_path) => $file_path];
try {
$file_storage = $codebase->file_storage_provider->get($file_path);
$dependent_files += $file_storage->required_by_file_paths;
} catch (\InvalidArgumentException $e) {
// do nothing
}
$any_file_path_matched = false;
foreach ($dependent_files as $dependent_file_path) {
if (($codebase->analyzer->canReportIssues($dependent_file_path)
|| $project_analyzer->canReportIssues($dependent_file_path))
&& !$this->mustBeIgnored($dependent_file_path)
) {
$any_file_path_matched = true;
break;
}
}
if (!$any_file_path_matched) {
return false;
}
}
if ($this->getReportingLevelForFile($issue_type, $file_path) === self::REPORT_SUPPRESS) {
return false;
}
return true;
}
/**
* @param string $file_path
*
* @return bool
*/
public function isInProjectDirs($file_path)
{
return $this->project_files && $this->project_files->allows($file_path);
}
/**
* @param string $file_path
*
* @return bool
*/
public function mustBeIgnored($file_path)
{
return $this->project_files && $this->project_files->forbids($file_path);
}
/**
* @var string[] $suppressed_issues
*/
public function getReportingLevelForIssue(CodeIssue $e, array $suppressed_issues = []) : string
{
$fqcn_parts = explode('\\', get_class($e));
$issue_type = array_pop($fqcn_parts);
if (in_array($issue_type, $suppressed_issues, true)) {
return self::REPORT_SUPPRESS;
}
$reporting_level = null;
if ($e instanceof ClassIssue) {
$reporting_level = $this->getReportingLevelForClass($issue_type, $e->fq_classlike_name);
} elseif ($e instanceof MethodIssue) {
$reporting_level = $this->getReportingLevelForMethod($issue_type, $e->method_id);
} elseif ($e instanceof FunctionIssue) {
$reporting_level = $this->getReportingLevelForFunction($issue_type, $e->function_id);
} elseif ($e instanceof PropertyIssue) {
$reporting_level = $this->getReportingLevelForProperty($issue_type, $e->property_id);
} elseif ($e instanceof ArgumentIssue && $e->function_id) {
$reporting_level = $this->getReportingLevelForArgument($issue_type, $e->function_id);
}
if ($reporting_level === null) {
$reporting_level = $this->getReportingLevelForFile($issue_type, $e->getFilePath());
}
$parent_issue_type = self::getParentIssueType($issue_type);
if ($parent_issue_type && in_array($parent_issue_type, $suppressed_issues, true)) {
return self::REPORT_SUPPRESS;
}
if ($parent_issue_type && $reporting_level === Config::REPORT_ERROR) {
$parent_reporting_level = $this->getReportingLevelForFile($parent_issue_type, $e->getFilePath());
if ($parent_reporting_level !== $reporting_level) {
return $parent_reporting_level;
}
}
return $reporting_level;
}
/**
* @param string $issue_type
* @return string|null
*/
private static function getParentIssueType($issue_type)
{
if (strpos($issue_type, 'Possibly') === 0) {
$stripped_issue_type = preg_replace('/^Possibly(False|Null)?/', '', $issue_type);
if (strpos($stripped_issue_type, 'Invalid') === false && strpos($stripped_issue_type, 'Un') !== 0) {
$stripped_issue_type = 'Invalid' . $stripped_issue_type;
}
return $stripped_issue_type;
}
if (preg_match('/^(False|Null)[A-Z]/', $issue_type)) {
return preg_replace('/^(False|Null)/', 'Invalid', $issue_type);
}
if ($issue_type === 'UndefinedInterfaceMethod') {
return 'UndefinedMethod';
}
if ($issue_type === 'UninitializedProperty') {
return 'PropertyNotSetInConstructor';
}
if ($issue_type === 'InvalidDocblockParamName') {
return 'InvalidDocblock';
}
if ($issue_type === 'UnusedClosureParam') {
return 'UnusedParam';
}
if ($issue_type === 'TraitMethodSignatureMismatch') {
return 'MethodSignatureMismatch';
}
if ($issue_type === 'ImplementedParamTypeMismatch') {
return 'MoreSpecificImplementedParamType';
}
if ($issue_type === 'UndefinedDocblockClass') {
return 'UndefinedClass';
}
if ($issue_type === 'MixedArgumentTypeCoercion'
|| $issue_type === 'MixedPropertyTypeCoercion'
|| $issue_type === 'MixedReturnTypeCoercion'
|| $issue_type === 'MixedArrayTypeCoercion'
) {
return 'MixedTypeCoercion';
}
if ($issue_type === 'ArgumentTypeCoercion'
|| $issue_type === 'PropertyTypeCoercion'
|| $issue_type === 'ReturnTypeCoercion'
) {
return 'TypeCoercion';
}
return null;
}
/**
* @param string $issue_type
* @param string $file_path
*
* @return string
*/
public function getReportingLevelForFile($issue_type, $file_path)
{
if (isset($this->issue_handlers[$issue_type])) {
return $this->issue_handlers[$issue_type]->getReportingLevelForFile($file_path);
}
return self::REPORT_ERROR;
}
/**
* @param string $issue_type
* @param string $fq_classlike_name
*
* @return string|null
*/
public function getReportingLevelForClass($issue_type, $fq_classlike_name)
{
if (isset($this->issue_handlers[$issue_type])) {
return $this->issue_handlers[$issue_type]->getReportingLevelForClass($fq_classlike_name);
}
}
/**
* @param string $issue_type
* @param string $method_id
*
* @return string|null
*/
public function getReportingLevelForMethod($issue_type, $method_id)
{
if (isset($this->issue_handlers[$issue_type])) {
return $this->issue_handlers[$issue_type]->getReportingLevelForMethod($method_id);
}
}
/**
* @return string|null
*/
public function getReportingLevelForFunction(string $issue_type, string $function_id)
{
if (isset($this->issue_handlers[$issue_type])) {
return $this->issue_handlers[$issue_type]->getReportingLevelForFunction($function_id);
}
}
/**
* @return string|null
*/
public function getReportingLevelForArgument(string $issue_type, string $function_id)
{
if (isset($this->issue_handlers[$issue_type])) {
return $this->issue_handlers[$issue_type]->getReportingLevelForArgument($function_id);
}
}
/**
* @param string $issue_type
* @param string $property_id
*
* @return string|null
*/
public function getReportingLevelForProperty($issue_type, $property_id)
{
if (isset($this->issue_handlers[$issue_type])) {
return $this->issue_handlers[$issue_type]->getReportingLevelForProperty($property_id);
}
}
/**
* @return array<string>
*/
public function getProjectDirectories()
{
if (!$this->project_files) {
return [];
}
return $this->project_files->getDirectories();
}
/**
* @return array<string>
*/
public function getProjectFiles()
{
if (!$this->project_files) {
return [];
}
return $this->project_files->getFiles();
}
/**
* @param string $file_path
*
* @return bool
*/
public function reportTypeStatsForFile($file_path)
{
return $this->project_files
&& $this->project_files->allows($file_path)
&& $this->project_files->reportTypeStats($file_path);
}
/**
* @param string $file_path
*
* @return bool
*/
public function useStrictTypesForFile($file_path)
{
return $this->project_files && $this->project_files->useStrictTypes($file_path);
}
/**
* @return array<string>
*/
public function getFileExtensions()
{
return $this->file_extensions;
}
/**
* @return array<string, class-string<FileScanner>>
*/
public function getFiletypeScanners()
{
return $this->filetype_scanners;
}
/**
* @return array<string, class-string<FileAnalyzer>>
*/
public function getFiletypeAnalyzers()
{
return $this->filetype_analyzers;
}
/**
* @return array<int, string>
*/
public function getMockClasses()
{
return $this->mock_classes;
}
/**
* @return void
*/
public function visitStubFiles(Codebase $codebase, Progress $progress = null)
{
if ($progress === null) {
$progress = new VoidProgress();
}
$codebase->register_stub_files = true;
// note: don't realpath $generic_stubs_path, or phar version will fail
$generic_stubs_path = __DIR__ . '/Internal/Stubs/CoreGenericFunctions.php';
if (!file_exists($generic_stubs_path)) {
throw new \UnexpectedValueException('Cannot locate core generic stubs');
}
// note: don't realpath $generic_classes_path, or phar version will fail
$generic_classes_path = __DIR__ . '/Internal/Stubs/CoreGenericClasses.php';
if (!file_exists($generic_classes_path)) {
throw new \UnexpectedValueException('Cannot locate core generic classes');
}
$stub_files = array_merge([$generic_stubs_path, $generic_classes_path], $this->stub_files);
$phpstorm_meta_path = $this->base_dir . DIRECTORY_SEPARATOR . '.phpstorm.meta.php';
if (file_exists($phpstorm_meta_path)) {
$stub_files[] = $phpstorm_meta_path;
}
foreach ($stub_files as $file_path) {
$codebase->scanner->addFileToShallowScan($file_path);
}
$progress->debug('Registering stub files' . "\n");
$codebase->scanFiles();
$progress->debug('Finished registering stub files' . "\n");
$codebase->register_stub_files = false;
}
/**
* @return string
*/
public function getCacheDirectory()
{
return $this->cache_directory;
}
/**
* @return ?string
*/
public function getGlobalCacheDirectory()
{
return $this->global_cache_directory;
}
/**
* @return array<string, mixed>
*/
public function getPredefinedConstants()
{
return $this->predefined_constants;
}
/**
* @return void
* @psalm-suppress MixedTypeCoercion
*/
public function collectPredefinedConstants()
{
$this->predefined_constants = get_defined_constants();
}
/**
* @return array<callable-string, bool>
*/
public function getPredefinedFunctions()
{
return $this->predefined_functions;
}
/**
* @return void
* @psalm-suppress InvalidPropertyAssignment
* @psalm-suppress MixedAssignment
* @psalm-suppress MixedArrayOffset
*/
public function collectPredefinedFunctions()
{
$defined_functions = get_defined_functions();
if (isset($defined_functions['user'])) {
foreach ($defined_functions['user'] as $function_name) {
$this->predefined_functions[$function_name] = true;
}
}
if (isset($defined_functions['internal'])) {
foreach ($defined_functions['internal'] as $function_name) {
$this->predefined_functions[$function_name] = true;
}
}
}
/**
* @return void
*
* @psalm-suppress MixedAssignment
* @psalm-suppress MixedArrayAccess
*/
public function visitComposerAutoloadFiles(ProjectAnalyzer $project_analyzer, Progress $progress = null)
{
if ($progress === null) {
$progress = new VoidProgress();
}
$this->collectPredefinedConstants();
$this->collectPredefinedFunctions();
$composer_json_path = $this->base_dir . 'composer.json'; // this should ideally not be hardcoded
$autoload_files_files = [];
if ($this->autoloader) {
$autoload_files_files[] = $this->autoloader;
}
if (file_exists($composer_json_path)) {
/** @psalm-suppress PossiblyFalseArgument */
if (!$composer_json = json_decode(file_get_contents($composer_json_path), true)) {
throw new \UnexpectedValueException('Invalid composer.json at ' . $composer_json_path);
}
if (isset($composer_json['autoload']['files'])) {
/** @var string[] */
$composer_autoload_files = $composer_json['autoload']['files'];
foreach ($composer_autoload_files as $file) {
$file_path = realpath($this->base_dir . $file);
if ($file_path && file_exists($file_path)) {
$autoload_files_files[] = $file_path;
}
}
}
$vendor_autoload_files_path
= $this->base_dir . DIRECTORY_SEPARATOR . 'vendor'
. DIRECTORY_SEPARATOR . 'composer' . DIRECTORY_SEPARATOR . 'autoload_files.php';
if (file_exists($vendor_autoload_files_path)) {
/**
* @var string[]
* @psalm-suppress UnresolvableInclude
*/
$vendor_autoload_files = require $vendor_autoload_files_path;
$autoload_files_files = array_merge($autoload_files_files, $vendor_autoload_files);
}
}
$autoload_files_files = array_unique($autoload_files_files);
if ($autoload_files_files) {
$codebase = $project_analyzer->getCodebase();
$codebase->register_autoload_files = true;
foreach ($autoload_files_files as $file_path) {
$codebase->scanner->addFileToDeepScan($file_path);
}
$progress->debug('Registering autoloaded files' . "\n");
$codebase->scanner->scanFiles($codebase->classlikes);
$progress->debug('Finished registering autoloaded files' . "\n");
$codebase->register_autoload_files = false;
}
if ($this->autoloader) {
// do this in a separate method so scope does not leak
$this->requireAutoloader($this->autoloader);
$this->collectPredefinedConstants();
$this->collectPredefinedFunctions();
}
}
/**
* @param string $fq_classlike_name
*
* @return string|false
*/
public function getComposerFilePathForClassLike($fq_classlike_name)
{
if (!$this->composer_class_loader) {
return false;
}
return $this->composer_class_loader->findFile($fq_classlike_name);
}
public function getPotentialComposerFilePathForClassLike(string $class) : ?string
{
if (!$this->composer_class_loader) {
return null;
}
/** @var array<string, array<int, string>> */
$psr4_prefixes = $this->composer_class_loader->getPrefixesPsr4();
// PSR-4 lookup
$logicalPathPsr4 = strtr($class, '\\', DIRECTORY_SEPARATOR) . '.php';
$candidate_path = null;
$maxDepth = 0;
$subPath = $class;
while (false !== $lastPos = strrpos($subPath, '\\')) {
$subPath = substr($subPath, 0, $lastPos);
$search = $subPath . '\\';
if (isset($psr4_prefixes[$search])) {
$depth = substr_count($search, '\\');
$pathEnd = DIRECTORY_SEPARATOR . substr($logicalPathPsr4, $lastPos + 1);
foreach ($psr4_prefixes[$search] as $dir) {
$dir = realpath($dir);
if ($dir
&& $depth > $maxDepth
&& $this->isInProjectDirs($dir . DIRECTORY_SEPARATOR . 'testdummy.php')
) {
$maxDepth = $depth;
$candidate_path = realpath($dir) . $pathEnd;
}
}
}
}
return $candidate_path;
}
/**
* @param string $dir
*
* @return void
*/
public static function removeCacheDirectory($dir)
{
if (is_dir($dir)) {
$objects = scandir($dir);
if ($objects === false) {
throw new \UnexpectedValueException('Not expecting false here');
}
foreach ($objects as $object) {
if ($object != '.' && $object != '..') {
if (filetype($dir . '/' . $object) == 'dir') {
self::removeCacheDirectory($dir . '/' . $object);
} else {
unlink($dir . '/' . $object);
}
}
}
reset($objects);
rmdir($dir);
}
}
/**
* @return void
*/
public function setServerMode()
{
$this->cache_directory .= '-s';
}
/** @return void */
public function addStubFile(string $stub_file)
{
$this->stub_files[] = $stub_file;
}
}