1
0
mirror of https://github.com/danog/psalm.git synced 2024-12-12 09:19:40 +01:00
psalm/src/Psalm/Config.php
Daniel Beardsley 7b541ed74f
src/Psalm/Config.php: don't use annotations
Psalm was parsing this as a property annotation, derp.
2023-03-27 09:48:36 -07:00

2678 lines
84 KiB
PHP
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

<?php
namespace Psalm;
use Composer\Autoload\ClassLoader;
use Composer\Semver\Constraint\Constraint;
use Composer\Semver\VersionParser;
use DOMAttr;
use DOMDocument;
use DOMElement;
use InvalidArgumentException;
use JsonException;
use LogicException;
use OutOfBoundsException;
use Psalm\CodeLocation\Raw;
use Psalm\Config\IssueHandler;
use Psalm\Config\ProjectFileFilter;
use Psalm\Config\TaintAnalysisFileFilter;
use Psalm\Exception\ConfigException;
use Psalm\Exception\ConfigNotFoundException;
use Psalm\Internal\Analyzer\ClassLikeAnalyzer;
use Psalm\Internal\Analyzer\FileAnalyzer;
use Psalm\Internal\Analyzer\ProjectAnalyzer;
use Psalm\Internal\Composer;
use Psalm\Internal\EventDispatcher;
use Psalm\Internal\IncludeCollector;
use Psalm\Internal\Provider\AddRemoveTaints\HtmlFunctionTainter;
use Psalm\Internal\Scanner\FileScanner;
use Psalm\Issue\ArgumentIssue;
use Psalm\Issue\ClassConstantIssue;
use Psalm\Issue\ClassIssue;
use Psalm\Issue\CodeIssue;
use Psalm\Issue\ConfigIssue;
use Psalm\Issue\FunctionIssue;
use Psalm\Issue\MethodIssue;
use Psalm\Issue\PropertyIssue;
use Psalm\Issue\VariableIssue;
use Psalm\Plugin\PluginEntryPointInterface;
use Psalm\Plugin\PluginFileExtensionsInterface;
use Psalm\Plugin\PluginInterface;
use Psalm\Progress\Progress;
use Psalm\Progress\VoidProgress;
use RuntimeException;
use SimpleXMLElement;
use SimpleXMLIterator;
use Symfony\Component\Filesystem\Path;
use Throwable;
use UnexpectedValueException;
use XdgBaseDir\Xdg;
use stdClass;
use function array_key_exists;
use function array_merge;
use function array_pad;
use function array_pop;
use function array_shift;
use function assert;
use function basename;
use function chdir;
use function class_exists;
use function clearstatcache;
use function count;
use function dirname;
use function explode;
use function extension_loaded;
use function fclose;
use function file_exists;
use function file_get_contents;
use function flock;
use function fopen;
use function get_class;
use function get_defined_constants;
use function get_defined_functions;
use function getcwd;
use function glob;
use function implode;
use function in_array;
use function is_a;
use function is_array;
use function is_dir;
use function is_file;
use function is_resource;
use function is_string;
use function json_decode;
use function libxml_clear_errors;
use function libxml_get_errors;
use function libxml_use_internal_errors;
use function mkdir;
use function phpversion;
use function preg_match;
use function preg_quote;
use function preg_replace;
use function realpath;
use function reset;
use function rmdir;
use function rtrim;
use function scandir;
use function sha1;
use function simplexml_import_dom;
use function str_replace;
use function strlen;
use function strpos;
use function strrpos;
use function strtolower;
use function substr;
use function substr_count;
use function sys_get_temp_dir;
use function unlink;
use function usleep;
use function version_compare;
use const DIRECTORY_SEPARATOR;
use const GLOB_NOSORT;
use const JSON_THROW_ON_ERROR;
use const LIBXML_ERR_ERROR;
use const LIBXML_ERR_FATAL;
use const LIBXML_NONET;
use const LIBXML_NOWARNING;
use const LOCK_EX;
use const PHP_EOL;
use const PHP_VERSION_ID;
use const PSALM_VERSION;
use const SCANDIR_SORT_NONE;
/**
* @psalm-suppress PropertyNotSetInConstructor
* @psalm-consistent-constructor
*/
class Config
{
private const DEFAULT_FILE_NAME = 'psalm.xml';
public const CONFIG_NAMESPACE = 'https://getpsalm.org/schema/config';
public const REPORT_INFO = 'info';
public const REPORT_ERROR = 'error';
public const REPORT_SUPPRESS = 'suppress';
/**
* @var array<string>
*/
public static $ERROR_LEVELS = [
self::REPORT_INFO,
self::REPORT_ERROR,
self::REPORT_SUPPRESS,
];
/**
* @var array
*/
private const MIXED_ISSUES = [
'MixedArgument',
'MixedArrayAccess',
'MixedArrayAssignment',
'MixedArrayOffset',
'MixedArrayTypeCoercion',
'MixedAssignment',
'MixedFunctionCall',
'MixedInferredReturnType',
'MixedMethodCall',
'MixedOperand',
'MixedPropertyFetch',
'MixedPropertyAssignment',
'MixedReturnStatement',
'MixedStringOffsetAssignment',
'MixedArgumentTypeCoercion',
'MixedPropertyTypeCoercion',
'MixedReturnTypeCoercion',
];
/**
* These are special object classes that allow any and all properties to be get/set on them
*
* @var array<int, lowercase-string>
*/
protected $universal_object_crates;
/**
* @var static|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 = false;
/**
* Whether using property annotations in docblocks should implicitly seal properties
*
* @var bool
*/
public $docblock_property_types_seal_properties = 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
*
* @internal
* @var string|null
*/
public $cache_directory;
private bool $cache_directory_initialized = false;
/**
* 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;
/**
* @var ProjectFileFilter|null
*/
protected $extra_files;
/**
* The base directory of this config file
*
* @var string
*/
public $base_dir;
/**
* The PHP version to assume as declared in the config file
*/
private ?string $configured_php_version = null;
/**
* @var array<int, string>
*/
private array $file_extensions = ['php'];
/**
* @var array<string, class-string<FileScanner>>
*/
private array $filetype_scanners = [];
/**
* @var array<string, class-string<FileAnalyzer>>
*/
private array $filetype_analyzers = [];
/**
* @var array<string, string>
*/
private array $filetype_scanner_paths = [];
/**
* @var array<string, string>
*/
private array $filetype_analyzer_paths = [];
/**
* @var array<string, IssueHandler>
*/
private array $issue_handlers = [];
/**
* @var array<int, string>
*/
private array $mock_classes = [];
/**
* @var array<string, string>
*/
private array $preloaded_stub_files = [];
/**
* @var array<string, string>
*/
private array $stub_files = [];
/**
* @var bool
*/
public $hide_external_errors = false;
/**
* @var bool
*/
public $hide_all_errors_except_passed_files = false;
/** @var bool */
public $allow_includes = true;
/** @var 1|2|3|4|5|6|7|8 */
public $level = 1;
/**
* @var ?bool
*/
public $show_mixed_issues;
/** @var bool */
public $strict_binary_operands = false;
/**
* @var bool
*/
public $remember_property_assignments_after_call = true;
/** @var bool */
public $use_igbinary = false;
/**
* @var bool
*/
public $allow_string_standin_for_class = false;
/**
* @var bool
*/
public $disable_suppress_all = false;
/**
* @var bool
*/
public $use_phpdoc_method_without_magic_or_parent = false;
/**
* @var bool
*/
public $use_phpdoc_property_without_magic_or_parent = false;
/**
* @var bool
*/
public $skip_checks_on_unresolvable_includes = false;
/**
* @var bool
*/
public $seal_all_methods = false;
/**
* @var bool
*/
public $seal_all_properties = 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 $disable_var_parsing = 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 bool
*/
public $infer_property_types_from_constructor = true;
/**
* @var bool
*/
public $ensure_array_string_offsets_exist = false;
/**
* @var bool
*/
public $ensure_array_int_offsets_exist = false;
/**
* @var array<lowercase-string, bool>
*/
public $forbidden_functions = [];
/**
* TODO: Psalm 6: Update default to be true and remove warning.
*
* @var bool
*/
public $find_unused_code = false;
/**
* @var bool
*/
public $find_unused_variables = false;
/**
* @var bool
*/
public $find_unused_psalm_suppress = false;
/**
* TODO: Psalm 6: Update default to be true and remove warning.
*/
public bool $find_unused_baseline_entry = false;
/**
* @var bool
*/
public $run_taint_analysis = false;
/** @var bool */
public $use_phpstorm_meta_path = true;
/**
* @var bool
*/
public $resolve_from_config_file = true;
/**
* @var bool
*/
public $restrict_return_types = false;
/**
* @var bool
*/
public $limit_method_complexity = false;
/**
* @var int
*/
public $max_graph_size = 200;
/**
* @var int
*/
public $max_avg_path_length = 70;
/**
* @var int
*/
public $max_shaped_array_size = 100;
/**
* @var string[]
*/
public $plugin_paths = [];
/**
* @var array<array{class:string,config:?SimpleXMLElement}>
*/
private array $plugin_classes = [];
/**
* @var bool
*/
public $allow_internal_named_arg_calls = true;
/**
* @var bool
*/
public $allow_named_arg_calls = true;
/** @var array<string, mixed> */
private array $predefined_constants = [];
/** @var array<callable-string, bool> */
private array $predefined_functions = [];
private ?ClassLoader $composer_class_loader = null;
/**
* @var string
*/
public $hash = '';
/** @var string|null */
public $error_baseline;
/**
* @var bool
*/
public $include_php_versions_in_error_baseline = false;
/**
* @var string
* @deprecated Please use {@see self::$shepherd_endpoint} instead. Property will be removed in Psalm 6.
*/
public $shepherd_host = 'shepherd.dev';
/**
* @var string
* @internal
*/
public $shepherd_endpoint = 'https://shepherd.dev/hooks/psalm/';
/**
* @var array<string, string>
*/
public $globals = [];
/**
* @var int
*/
public $max_string_length = 1_000;
private ?IncludeCollector $include_collector = null;
/**
* @var TaintAnalysisFileFilter|null
*/
protected $taint_analysis_ignored_files;
/**
* @var bool whether to emit a backtrace of emitted issues to stderr
*/
public $debug_emitted_issues = false;
private bool $report_info = true;
/**
* @var EventDispatcher
*/
public $eventDispatcher;
/** @var list<ConfigIssue> */
public $config_issues = [];
/**
* @var 'default'|'never'|'always'
*/
public $trigger_error_exits = 'default';
/**
* @var string[]
*/
public $internal_stubs = [];
/** @var ?int */
public $threads;
/**
* A list of php extensions supported by Psalm.
* Where key - extension name (without ext- prefix), value - whether to load extensions stub.
* Values:
* - true: ext enabled explicitly or bundled with PHP (should load stubs)
* - false: ext disabled explicitly (should not load stubs)
* - null: state is unknown (e.g. config not processed yet) or ext neither explicitly enabled or disabled.
*
* @psalm-readonly-allow-private-mutation
* @var array<string, bool|null>
*/
public $php_extensions = [
"apcu" => null,
"decimal" => null,
"dom" => null,
"ds" => null,
"ffi" => null,
"geos" => null,
"gmp" => null,
"ibm_db2" => null,
"mongodb" => null,
"mysqli" => null,
"pdo" => null,
"random" => null,
"redis" => null,
"simplexml" => null,
"soap" => null,
"xdebug" => null,
];
/**
* A list of php extensions described in CallMap Psalm files
* as opposite to stub files loaded by condition (see stubs/extensions dir).
*
* @see https://www.php.net/manual/en/extensions.membership.php
* @var list<non-empty-string>
* @readonly
*/
public $php_extensions_supported_by_psalm_callmaps = [
'apache',
'bcmath',
'bzip2',
'calendar',
'ctype',
'curl',
'dom',
'enchant',
'exif',
'filter',
'gd',
'gettext',
'gmp',
'hash',
'ibm_db2',
'iconv',
'imap',
'intl',
'json',
'ldap',
'libxml',
'mbstring',
'mysqli',
'mysqlnd',
'mhash',
'oci8',
'opcache',
'openssl',
'pcntl',
'PDO',
'pdo_mysql',
'pdo-sqlite',
'pdo-pgsql',
'pgsql',
'pspell',
'phar',
'phpdbg',
'posix',
'redis',
'readline',
'session',
'sockets',
'sqlite3',
'snmp',
'soap',
'sodium',
'shmop',
'sysvsem',
'tidy',
'tokenizer',
'uodbc',
'xml',
'xmlreader',
'xmlwriter',
'xsl',
'zip',
'zlib',
];
/**
* A list of php extensions required by the project that aren't fully supported by Psalm.
*
* @var array<string, true>
*/
public $php_extensions_not_supported = [];
/**
* @var array<class-string, PluginInterface>
*/
private array $plugins = [];
/** @var list<string> */
public array $config_warnings = [];
/** @internal */
protected function __construct()
{
self::$instance = $this;
$this->eventDispatcher = new EventDispatcher();
$this->universal_object_crates = [
strtolower(stdClass::class),
strtolower(SimpleXMLElement::class),
strtolower(SimpleXMLIterator::class),
];
}
/**
* Gets a Config object from an XML file.
*
* Searches up a folder hierarchy for the most immediate config.
*
* @throws ConfigException if a config path is not found
*/
public static function getConfigForPath(string $path, string $current_dir): Config
{
$config_path = self::locateConfigFile($path);
if (!$config_path) {
throw new ConfigNotFoundException('Config not found for path ' . $path);
}
return self::loadFromXMLFile($config_path, $current_dir);
}
/**
* Searches up a folder hierarchy for the most immediate config.
*
* @throws ConfigException
*/
public static function locateConfigFile(string $path): ?string
{
$dir_path = realpath($path);
if ($dir_path === false) {
throw new ConfigNotFoundException('Config not found for path ' . $path);
}
if (!is_dir($dir_path)) {
$dir_path = dirname($dir_path);
}
do {
$maybe_path = $dir_path . DIRECTORY_SEPARATOR . self::DEFAULT_FILE_NAME;
if (file_exists($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
*/
public static function loadFromXMLFile(string $file_path, string $current_dir): Config
{
$file_contents = file_get_contents($file_path);
$base_dir = dirname($file_path) . DIRECTORY_SEPARATOR;
if ($file_contents === false) {
throw new InvalidArgumentException('Cannot open ' . $file_path);
}
if ($file_contents === '') {
throw new InvalidArgumentException('Invalid empty file ' . $file_path);
}
try {
$config = self::loadFromXML($base_dir, $file_contents, $current_dir, $file_path);
$config->hash = sha1($file_contents . PSALM_VERSION);
} catch (ConfigException $e) {
throw new ConfigException(
'Problem parsing ' . $file_path . ":\n" . ' ' . $e->getMessage(),
);
}
return $config;
}
/**
* Computes the hash to use for a cache folder from CLI flags and from the config file's xml contents
*/
public function computeHash(): string
{
return sha1($this->hash . ':' . $this->level);
}
/**
* Creates a new config object from an XML string
*
* @param string|null $current_dir Current working directory, if different to $base_dir
* @param non-empty-string $file_contents
* @throws ConfigException
*/
public static function loadFromXML(
string $base_dir,
string $file_contents,
?string $current_dir = null,
?string $file_path = null
): Config {
if ($current_dir === null) {
$current_dir = $base_dir;
}
self::validateXmlConfig($base_dir, $file_contents);
return self::fromXmlAndPaths($base_dir, $file_contents, $current_dir, $file_path);
}
/**
* @param non-empty-string $file_contents
*/
private static function loadDomDocument(string $base_dir, string $file_contents): DOMDocument
{
$dom_document = new DOMDocument();
// there's no obvious way to set xml:base for a document when loading it from string
// so instead we're changing the current directory instead to be able to process XIncludes
$oldpwd = getcwd();
chdir($base_dir);
$dom_document->loadXML($file_contents, LIBXML_NONET);
$dom_document->xinclude(LIBXML_NOWARNING | LIBXML_NONET);
chdir($oldpwd);
return $dom_document;
}
/**
* @param non-empty-string $file_contents
* @throws ConfigException
*/
private static function validateXmlConfig(string $base_dir, string $file_contents): void
{
$schema_path = dirname(__DIR__, 2). '/config.xsd';
if (!file_exists($schema_path)) {
throw new ConfigException('Cannot locate config schema');
}
// Enable user error handling
$prev_xml_internal_errors = libxml_use_internal_errors(true);
libxml_clear_errors();
$dom_document = self::loadDomDocument($base_dir, $file_contents);
$psalm_nodes = $dom_document->getElementsByTagName('psalm');
$psalm_node = $psalm_nodes->item(0);
if (!$psalm_node) {
throw new ConfigException(
'Missing psalm node',
);
}
if (!$psalm_node->hasAttribute('xmlns')) {
$psalm_node->setAttribute('xmlns', self::CONFIG_NAMESPACE);
$old_dom_document = $dom_document;
$old_file_contents = $old_dom_document->saveXML();
assert($old_file_contents !== false && $old_file_contents !== '');
$dom_document = self::loadDomDocument($base_dir, $old_file_contents);
}
$dom_document->schemaValidate($schema_path); // If it returns false it will generate errors handled below
$errors = libxml_get_errors();
libxml_clear_errors();
libxml_use_internal_errors($prev_xml_internal_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,
);
}
}
}
/**
* @param positive-int $line_number 1-based line number
* @return int 0-based byte offset
* @throws OutOfBoundsException
*/
private static function lineNumberToByteOffset(string $string, int $line_number): int
{
if ($line_number === 1) {
return 0;
}
$offset = 0;
for ($i = 0; $i < $line_number - 1; $i++) {
$newline_offset = strpos($string, "\n", $offset);
if (false === $newline_offset) {
throw new OutOfBoundsException(
'Line ' . $line_number . ' is not found in a string with ' . ($i + 1) . ' lines',
);
}
$offset = $newline_offset + 1;
}
if ($offset > strlen($string)) {
throw new OutOfBoundsException('Line ' . $line_number . ' is not found');
}
return $offset;
}
private static function processDeprecatedAttribute(
DOMAttr $attribute,
string $file_contents,
self $config,
string $config_path
): void {
$line = $attribute->getLineNo();
assert($line > 0); // getLineNo() always returns non-zero for nodes loaded from file
$offset = self::lineNumberToByteOffset($file_contents, $line);
$attribute_start = strrpos($file_contents, $attribute->name, $offset - strlen($file_contents)) ?: 0;
$attribute_end = $attribute_start + strlen($attribute->name) - 1;
$config->config_issues[] = new ConfigIssue(
'Attribute "' . $attribute->name . '" is deprecated '
. 'and is going to be removed in the next major version',
new Raw(
$file_contents,
$config_path,
basename($config_path),
$attribute_start,
$attribute_end,
),
);
}
private static function processDeprecatedElement(
DOMElement $deprecated_element_xml,
string $file_contents,
self $config,
string $config_path
): void {
$line = $deprecated_element_xml->getLineNo();
assert($line > 0);
$offset = self::lineNumberToByteOffset($file_contents, $line);
$element_start = strpos($file_contents, $deprecated_element_xml->localName, $offset) ?: 0;
$element_end = $element_start + strlen($deprecated_element_xml->localName) - 1;
$config->config_issues[] = new ConfigIssue(
'Element "' . $deprecated_element_xml->localName . '" is deprecated '
. 'and is going to be removed in the next major version',
new Raw(
$file_contents,
$config_path,
basename($config_path),
$element_start,
$element_end,
),
);
}
private static function processConfigDeprecations(
self $config,
DOMDocument $dom_document,
string $file_contents,
string $config_path
): void {
$config->config_issues = [];
// Attributes to be removed in Psalm 6
$deprecated_attributes = [];
/** @var list<string> */
$deprecated_elements = [];
$psalm_element_item = $dom_document->getElementsByTagName('psalm')->item(0);
assert($psalm_element_item !== null);
$attributes = $psalm_element_item->attributes;
foreach ($attributes as $attribute) {
if (in_array($attribute->name, $deprecated_attributes, true)) {
self::processDeprecatedAttribute($attribute, $file_contents, $config, $config_path);
}
}
foreach ($deprecated_elements as $deprecated_element) {
$deprecated_elements_xml = $dom_document->getElementsByTagNameNS(
self::CONFIG_NAMESPACE,
$deprecated_element,
);
if ($deprecated_elements_xml->length) {
$deprecated_element_xml = $deprecated_elements_xml->item(0);
self::processDeprecatedElement($deprecated_element_xml, $file_contents, $config, $config_path);
}
}
}
/**
* @param non-empty-string $file_contents
* @psalm-suppress MixedMethodCall
* @psalm-suppress MixedAssignment
* @psalm-suppress MixedArgument
* @psalm-suppress MixedPropertyFetch
* @throws ConfigException
*/
private static function fromXmlAndPaths(
string $base_dir,
string $file_contents,
string $current_dir,
?string $config_path
): self {
$config = new static();
$dom_document = self::loadDomDocument($base_dir, $file_contents);
if (null !== $config_path) {
self::processConfigDeprecations(
$config,
$dom_document,
$file_contents,
$config_path,
);
}
$config_xml = simplexml_import_dom($dom_document);
$booleanAttributes = [
'useDocblockTypes' => 'use_docblock_types',
'useDocblockPropertyTypes' => 'use_docblock_property_types',
'docblockPropertyTypesSealProperties' => 'docblock_property_types_seal_properties',
'throwExceptionOnError' => 'throw_exception',
'hideExternalErrors' => 'hide_external_errors',
'hideAllErrorsExceptPassedFiles' => 'hide_all_errors_except_passed_files',
'resolveFromConfigFile' => 'resolve_from_config_file',
'allowFileIncludes' => 'allow_includes',
'strictBinaryOperands' => 'strict_binary_operands',
'rememberPropertyAssignmentsAfterCall' => 'remember_property_assignments_after_call',
'disableVarParsing' => 'disable_var_parsing',
'allowStringToStandInForClass' => 'allow_string_standin_for_class',
'disableSuppressAll' => 'disable_suppress_all',
'usePhpDocMethodsWithoutMagicCall' => 'use_phpdoc_method_without_magic_or_parent',
'usePhpDocPropertiesWithoutMagicCall' => 'use_phpdoc_property_without_magic_or_parent',
'memoizeMethodCallResults' => 'memoize_method_calls',
'hoistConstants' => 'hoist_constants',
'addParamDefaultToDocblockType' => 'add_param_default_to_docblock_type',
'checkForThrowsDocblock' => 'check_for_throws_docblock',
'checkForThrowsInGlobalScope' => 'check_for_throws_in_global_scope',
'ignoreInternalFunctionFalseReturn' => 'ignore_internal_falsable_issues',
'ignoreInternalFunctionNullReturn' => 'ignore_internal_nullable_issues',
'includePhpVersionsInErrorBaseline' => 'include_php_versions_in_error_baseline',
'ensureArrayStringOffsetsExist' => 'ensure_array_string_offsets_exist',
'ensureArrayIntOffsetsExist' => 'ensure_array_int_offsets_exist',
'reportMixedIssues' => 'show_mixed_issues',
'skipChecksOnUnresolvableIncludes' => 'skip_checks_on_unresolvable_includes',
'sealAllMethods' => 'seal_all_methods',
'sealAllProperties' => 'seal_all_properties',
'runTaintAnalysis' => 'run_taint_analysis',
'usePhpStormMetaPath' => 'use_phpstorm_meta_path',
'allowInternalNamedArgumentsCalls' => 'allow_internal_named_arg_calls',
'allowNamedArgumentCalls' => 'allow_named_arg_calls',
'findUnusedPsalmSuppress' => 'find_unused_psalm_suppress',
'findUnusedBaselineEntry' => 'find_unused_baseline_entry',
'reportInfo' => 'report_info',
'restrictReturnTypes' => 'restrict_return_types',
'limitMethodComplexity' => 'limit_method_complexity',
];
foreach ($booleanAttributes as $xmlName => $internalName) {
if (isset($config_xml[$xmlName])) {
$attribute_text = (string) $config_xml[$xmlName];
$config->setBooleanAttribute(
$internalName,
$attribute_text === 'true' || $attribute_text === '1',
);
}
}
if ($config->resolve_from_config_file) {
$config->base_dir = $base_dir;
} else {
$config->base_dir = $current_dir;
$base_dir = $current_dir;
}
$composer_json_path = Composer::getJsonFilePath($config->base_dir);
$composer_json = null;
if (file_exists($composer_json_path)) {
$composer_json = json_decode(file_get_contents($composer_json_path), true);
if (!is_array($composer_json)) {
throw new UnexpectedValueException('Invalid composer.json at ' . $composer_json_path);
}
}
$required_extensions = [];
foreach (($composer_json["require"] ?? []) as $required => $_) {
if (strpos($required, "ext-") === 0) {
$required_extensions[strtolower(substr($required, 4))] = true;
}
}
foreach ($required_extensions as $required_ext => $_) {
if (array_key_exists($required_ext, $config->php_extensions)) {
$config->php_extensions[$required_ext] = true;
} else {
$config->php_extensions_not_supported[$required_ext] = true;
}
}
if (isset($config_xml->enableExtensions) && isset($config_xml->enableExtensions->extension)) {
foreach ($config_xml->enableExtensions->extension as $extension) {
assert(isset($extension["name"]));
$extensionName = (string) $extension["name"];
assert(array_key_exists($extensionName, $config->php_extensions));
$config->php_extensions[$extensionName] = true;
}
}
if (isset($config_xml->disableExtensions) && isset($config_xml->disableExtensions->extension)) {
foreach ($config_xml->disableExtensions->extension as $extension) {
assert(isset($extension["name"]));
$extensionName = (string) $extension["name"];
assert(array_key_exists($extensionName, $config->php_extensions));
$config->php_extensions[$extensionName] = false;
}
}
if (isset($config_xml['phpVersion'])) {
$config->configured_php_version = (string) $config_xml['phpVersion'];
}
if (isset($config_xml['autoloader'])) {
$autoloader_path = $config->base_dir . DIRECTORY_SEPARATOR . $config_xml['autoloader'];
if (!file_exists($autoloader_path)) {
// in here for legacy reasons where people put absolute paths but psalm resolved it relative
if ($config_xml['autoloader']->__toString()[0] === '/') {
$autoloader_path = $config_xml['autoloader']->__toString();
}
if (!file_exists($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'];
} elseif ($user_cache_dir = (new Xdg())->getHomeCacheDir()) {
$config->cache_directory = $user_cache_dir . '/psalm';
} 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 (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['findUnusedBaselineEntry'])) {
$config->config_warnings[] = '"findUnusedBaselineEntry" will be defaulted to "true" in Psalm 6.'
. ' You should explicitly enable or disable this setting.';
}
if (isset($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;
} else {
$config->config_warnings[] = '"findUnusedCode" will be defaulted to "true" in Psalm 6.'
. ' You should explicitly enable or disable this setting.';
}
if (isset($config_xml['findUnusedVariablesAndParams'])) {
$attribute_text = (string) $config_xml['findUnusedVariablesAndParams'];
$config->find_unused_variables = $attribute_text === 'true' || $attribute_text === '1';
}
if (isset($config_xml['errorLevel'])) {
$attribute_text = (int) $config_xml['errorLevel'];
if (!in_array($attribute_text, [1, 2, 3, 4, 5, 6, 7, 8], true)) {
throw new ConfigException(
'Invalid error level ' . $config_xml['errorLevel'],
);
}
$config->level = $attribute_text;
} else {
$config->level = 2;
}
// turn on unused variable detection in level 1
if (!isset($config_xml['findUnusedCode'])
&& !isset($config_xml['findUnusedVariablesAndParams'])
&& $config->level === 1
&& $config->show_mixed_issues !== false
) {
$config->find_unused_variables = true;
}
if (isset($config_xml['errorBaseline'])) {
$attribute_text = (string) $config_xml['errorBaseline'];
$config->error_baseline = $attribute_text;
}
if (isset($config_xml['maxStringLength'])) {
$attribute_text = (int)$config_xml['maxStringLength'];
$config->max_string_length = $attribute_text;
}
if (isset($config_xml['maxShapedArraySize'])) {
$attribute_text = (int)$config_xml['maxShapedArraySize'];
$config->max_shaped_array_size = $attribute_text;
}
if (isset($config_xml['inferPropertyTypesFromConstructor'])) {
$attribute_text = (string) $config_xml['inferPropertyTypesFromConstructor'];
$config->infer_property_types_from_constructor = $attribute_text === 'true' || $attribute_text === '1';
}
if (isset($config_xml['triggerErrorExits'])) {
$attribute_text = (string) $config_xml['triggerErrorExits'];
if ($attribute_text === 'always' || $attribute_text === 'never') {
$config->trigger_error_exits = $attribute_text;
}
}
if (isset($config_xml->projectFiles)) {
$config->project_files = ProjectFileFilter::loadFromXMLElement($config_xml->projectFiles, $base_dir, true);
}
if (isset($config_xml->extraFiles)) {
$config->extra_files = ProjectFileFilter::loadFromXMLElement($config_xml->extraFiles, $base_dir, true);
}
if (isset($config_xml->taintAnalysis->ignoreFiles)) {
$config->taint_analysis_ignored_files = TaintAnalysisFileFilter::loadFromXMLElement(
$config_xml->taintAnalysis->ignoreFiles,
$base_dir,
false,
);
}
if (isset($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($config_xml->universalObjectCrates) && isset($config_xml->universalObjectCrates->class)) {
/** @var SimpleXMLElement $universal_object_crate */
foreach ($config_xml->universalObjectCrates->class as $universal_object_crate) {
/** @var string $classString */
$classString = $universal_object_crate['name'];
$config->addUniversalObjectCrate($classString);
}
}
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->stubs) && isset($config_xml->stubs->file)) {
/** @var SimpleXMLElement $stub_file */
foreach ($config_xml->stubs->file as $stub_file) {
$stub_file_name = (string)$stub_file['name'];
if (!Path::isAbsolute($stub_file_name)) {
$stub_file_name = $config->base_dir . DIRECTORY_SEPARATOR . $stub_file_name;
}
$file_path = realpath($stub_file_name);
if (!$file_path) {
throw new ConfigException(
'Cannot resolve stubfile path '
. rtrim($config->base_dir, DIRECTORY_SEPARATOR)
. DIRECTORY_SEPARATOR
. $stub_file['name'],
);
}
if (isset($stub_file['preloadClasses'])) {
$preload_classes = (string)$stub_file['preloadClasses'];
if ($preload_classes === 'true' || $preload_classes === '1') {
$config->addPreloadedStubFile($file_path);
} else {
$config->addStubFile($file_path);
}
} else {
$config->addStubFile($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'];
$path = Path::isAbsolute($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((string) $plugin_class_name, $plugin_config);
}
}
}
if (isset($config_xml->issueHandlers)) {
foreach ($config_xml->issueHandlers as $issue_handlers) {
/** @var SimpleXMLElement $issue_handler */
foreach ($issue_handlers->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) $var['type'];
}
}
if (isset($config_xml['threads'])) {
$config->threads = (int)$config_xml['threads'];
}
return $config;
}
public static function getInstance(): Config
{
if (self::$instance) {
return self::$instance;
}
throw new UnexpectedValueException('No config initialized');
}
public function setComposerClassLoader(?ClassLoader $loader = null): void
{
$this->composer_class_loader = $loader;
}
public function setAdvancedErrorLevel(string $issue_key, array $config, ?string $default_error_level = null): void
{
$this->issue_handlers[$issue_key] = new IssueHandler();
if ($default_error_level !== null) {
$this->issue_handlers[$issue_key]->setErrorLevel($default_error_level);
}
$this->issue_handlers[$issue_key]->setCustomLevels($config, $this->base_dir);
}
public function setCustomErrorLevel(string $issue_key, string $error_level): void
{
$this->issue_handlers[$issue_key] = new IssueHandler();
$this->issue_handlers[$issue_key]->setErrorLevel($error_level);
}
/**
* @throws ConfigException if a Config file could not be found
*/
private function loadFileExtensions(SimpleXMLElement $extensions): void
{
foreach ($extensions as $extension) {
$extension_name = preg_replace('/^\.?/', '', (string)$extension['name'], 1);
$this->file_extensions[] = $extension_name;
if (isset($extension['scanner'])) {
$path = $this->base_dir . (string)$extension['scanner'];
if (!file_exists($path)) {
throw new 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 ConfigException('Error parsing config: cannot find file ' . $path);
}
$this->filetype_analyzer_paths[$extension_name] = $path;
}
}
}
public function addPluginPath(string $path): void
{
if (!file_exists($path)) {
throw new InvalidArgumentException('Cannot find plugin file ' . $path);
}
$this->plugin_paths[] = $path;
}
public function addPluginClass(string $class_name, ?SimpleXMLElement $plugin_config = null): void
{
$this->plugin_classes[] = ['class' => $class_name, 'config' => $plugin_config];
}
/** @return array<array{class:string, config:?SimpleXMLElement}> */
public function getPluginClasses(): array
{
return $this->plugin_classes;
}
public function processPluginFileExtensions(ProjectAnalyzer $projectAnalyzer): void
{
$projectAnalyzer->progress->debug('Process plugin adjustments...' . PHP_EOL);
$socket = new PluginFileExtensionsSocket($this);
foreach ($this->plugin_classes as $pluginClassEntry) {
$pluginClassName = $pluginClassEntry['class'];
$pluginConfig = $pluginClassEntry['config'];
$plugin = $this->loadPlugin($projectAnalyzer, $pluginClassName);
if (!$plugin instanceof PluginFileExtensionsInterface) {
continue;
}
try {
$plugin->processFileExtensions($socket, $pluginConfig);
} catch (Throwable $t) {
throw new ConfigException(
'Failed to process plugin file extensions ' . $pluginClassName,
1_635_800_581,
$t,
);
}
$projectAnalyzer->progress->debug('Initialized plugin ' . $pluginClassName . ' successfully' . PHP_EOL);
}
// populate additional aspects after plugins have been initialized
foreach ($socket->getAdditionalFileExtensions() as $fileExtension) {
$this->file_extensions[] = $fileExtension;
}
foreach ($socket->getAdditionalFileTypeScanners() as $extension => $className) {
$this->filetype_scanners[$extension] = $className;
}
foreach ($socket->getAdditionalFileTypeAnalyzers() as $extension => $className) {
$this->filetype_analyzers[$extension] = $className;
}
}
/**
* Initialises all the plugins (done once the config is fully loaded)
*/
public function initializePlugins(ProjectAnalyzer $project_analyzer): void
{
$codebase = $project_analyzer->getCodebase();
$project_analyzer->progress->debug('Initializing plugins...' . PHP_EOL);
$socket = new PluginRegistrationSocket($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'];
$plugin = $this->loadPlugin($project_analyzer, $plugin_class_name);
if (!$plugin instanceof PluginEntryPointInterface) {
continue;
}
try {
$plugin($socket, $plugin_config);
} catch (Throwable $t) {
throw new ConfigException(
'Failed to invoke plugin ' . $plugin_class_name,
1_635_800_582,
$t,
);
}
$project_analyzer->progress->debug('Initialized plugin ' . $plugin_class_name . ' successfully' . PHP_EOL);
}
foreach ($this->filetype_scanner_paths as $extension => $path) {
$fq_class_name = $this->getPluginClassForPath(
$codebase,
$path,
FileScanner::class,
);
self::requirePath($path);
$this->filetype_scanners[$extension] = $fq_class_name;
}
foreach ($this->filetype_analyzer_paths as $extension => $path) {
$fq_class_name = $this->getPluginClassForPath(
$codebase,
$path,
FileAnalyzer::class,
);
self::requirePath($path);
$this->filetype_analyzers[$extension] = $fq_class_name;
}
foreach ($this->plugin_paths as $path) {
try {
$plugin = new FileBasedPluginAdapter($path, $this, $codebase);
$plugin($socket);
} catch (Throwable $e) {
throw new ConfigException('Failed to load plugin ' . $path, 0, $e);
}
}
new HtmlFunctionTainter();
$socket->registerHooksFromClass(HtmlFunctionTainter::class);
}
private function loadPlugin(ProjectAnalyzer $projectAnalyzer, string $pluginClassName): PluginInterface
{
if (isset($this->plugins[$pluginClassName])) {
return $this->plugins[$pluginClassName];
}
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 ($this->composer_class_loader
&& ($pluginclas_class_path = $this->composer_class_loader->findFile($pluginClassName))
) {
$projectAnalyzer->progress->debug(
'Loading plugin ' . $pluginClassName . ' via require' . PHP_EOL,
);
self::requirePath($pluginclas_class_path);
} else {
if (!class_exists($pluginClassName)) {
throw new UnexpectedValueException($pluginClassName . ' is not a known class');
}
}
if (!is_a($pluginClassName, PluginInterface::class, true)) {
throw new UnexpectedValueException($pluginClassName . ' is not a PluginInterface implementation');
}
$this->plugins[$pluginClassName] = new $pluginClassName;
$projectAnalyzer->progress->debug('Loaded plugin ' . $pluginClassName . PHP_EOL);
return $this->plugins[$pluginClassName];
} catch (Throwable $e) {
throw new ConfigException('Failed to load plugin ' . $pluginClassName, 0, $e);
}
}
private static function requirePath(string $path): void
{
/** @psalm-suppress UnresolvableInclude */
require_once($path);
}
/**
* @template T
* @param T::class $must_extend
* @return class-string<T>
*/
private function getPluginClassForPath(Codebase $codebase, string $path, string $must_extend): string
{
$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;
}
public function shortenFileName(string $to): string
{
if (!is_file($to)) {
return preg_replace('/^' . preg_quote($this->base_dir, '/') . '/', '', $to, 1);
}
$from = $this->base_dir;
// some compatibility fixes for Windows paths
$from = is_dir($from) ? rtrim($from, '\/') . '/' : $from;
$to = is_dir($to) ? rtrim($to, '\/') . '/' : $to;
$from = str_replace('\\', '/', $from);
$to = str_replace('\\', '/', $to);
$from = explode('/', $from);
$to = explode('/', $to);
$relPath = $to;
foreach ($from as $depth => $dir) {
// find first non-matching dir
if ($dir === $to[$depth]) {
// ignore this directory
array_shift($relPath);
} else {
// get number of remaining dirs to $from
$remaining = count($from) - $depth;
if ($remaining > 1) {
// add traversals up to first matching dir
$padLength = (count($relPath) + $remaining - 1) * -1;
$relPath = array_pad($relPath, $padLength, '..');
break;
}
}
}
return implode('/', $relPath);
}
public function reportIssueInFile(string $issue_type, string $file_path): bool
{
if (($this->show_mixed_issues === false || $this->level > 2)
&& in_array($issue_type, self::MIXED_ISSUES, true)
) {
return false;
}
if ($this->mustBeIgnored($file_path)) {
return false;
}
$dependent_files = [strtolower($file_path) => $file_path];
$project_analyzer = ProjectAnalyzer::getInstance();
// if the option is set and at least one file is passed via CLI
if ($this->hide_all_errors_except_passed_files
&& $project_analyzer->check_paths_files
&& !in_array($file_path, $project_analyzer->check_paths_files, true)) {
return false;
}
$codebase = $project_analyzer->getCodebase();
if (!$this->hide_external_errors) {
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 $dependent_file_path) {
if (((!$project_analyzer->full_run && $codebase->analyzer->canReportIssues($dependent_file_path))
|| $project_analyzer->canReportIssues($dependent_file_path))
&& ($file_path === $dependent_file_path || !$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;
}
public function isInProjectDirs(string $file_path): bool
{
return $this->project_files && $this->project_files->allows($file_path);
}
public function isInExtraDirs(string $file_path): bool
{
return $this->extra_files && $this->extra_files->allows($file_path);
}
public function mustBeIgnored(string $file_path): bool
{
return $this->project_files && $this->project_files->forbids($file_path);
}
public function trackTaintsInPath(string $file_path): bool
{
return !$this->taint_analysis_ignored_files
|| $this->taint_analysis_ignored_files->allows($file_path);
}
public function getReportingLevelForIssue(CodeIssue $e): string
{
$fqcn_parts = explode('\\', get_class($e));
$issue_type = array_pop($fqcn_parts);
$reporting_level = null;
if ($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 ClassConstantIssue) {
$reporting_level = $this->getReportingLevelForClassConstant($issue_type, $e->const_id);
} elseif ($e instanceof ArgumentIssue && $e->function_id) {
$reporting_level = $this->getReportingLevelForArgument($issue_type, $e->function_id);
} elseif ($e instanceof VariableIssue) {
$reporting_level = $this->getReportingLevelForVariable($issue_type, $e->var_name);
}
if ($reporting_level === null) {
$reporting_level = $this->getReportingLevelForFile($issue_type, $e->getFilePath());
}
if (!$this->report_info && $reporting_level === self::REPORT_INFO) {
$reporting_level = self::REPORT_SUPPRESS;
}
$parent_issue_type = self::getParentIssueType($issue_type);
if ($parent_issue_type && $reporting_level === self::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;
}
/**
* @psalm-pure
*/
public static function getParentIssueType(string $issue_type): ?string
{
if ($issue_type === 'PossiblyUndefinedIntArrayOffset'
|| $issue_type === 'PossiblyUndefinedStringArrayOffset'
) {
return 'PossiblyUndefinedArrayOffset';
}
if ($issue_type === 'PossiblyNullReference') {
return 'NullReference';
}
if ($issue_type === 'PossiblyFalseReference') {
return null;
}
if ($issue_type === 'PossiblyUndefinedArrayOffset') {
return null;
}
if (strpos($issue_type, 'Possibly') === 0) {
$stripped_issue_type = preg_replace('/^Possibly(False|Null)?/', '', $issue_type, 1);
if (strpos($stripped_issue_type, 'Invalid') === false && strpos($stripped_issue_type, 'Un') !== 0) {
$stripped_issue_type = 'Invalid' . $stripped_issue_type;
}
return $stripped_issue_type;
}
if (strpos($issue_type, 'Tainted') === 0) {
return 'TaintedInput';
}
if (preg_match('/^(False|Null)[A-Z]/', $issue_type) && !strpos($issue_type, 'Reference')) {
return preg_replace('/^(False|Null)/', 'Invalid', $issue_type, 1);
}
if ($issue_type === 'UndefinedInterfaceMethod') {
return 'UndefinedMethod';
}
if ($issue_type === 'UndefinedMagicPropertyFetch') {
return 'UndefinedPropertyFetch';
}
if ($issue_type === 'UndefinedMagicPropertyAssignment') {
return 'UndefinedPropertyAssignment';
}
if ($issue_type === 'UndefinedMagicMethod') {
return 'UndefinedMethod';
}
if ($issue_type === 'PossibleRawObjectIteration') {
return 'RawObjectIteration';
}
if ($issue_type === 'UninitializedProperty') {
return 'PropertyNotSetInConstructor';
}
if ($issue_type === 'InvalidDocblockParamName') {
return 'InvalidDocblock';
}
if ($issue_type === 'UnusedClosureParam') {
return 'UnusedParam';
}
if ($issue_type === 'UnusedConstructor') {
return 'UnusedMethod';
}
if ($issue_type === 'StringIncrement') {
return 'InvalidOperand';
}
if ($issue_type === 'InvalidLiteralArgument') {
return 'InvalidArgument';
}
if ($issue_type === 'RedundantConditionGivenDocblockType') {
return 'RedundantCondition';
}
if ($issue_type === 'RedundantFunctionCallGivenDocblockType') {
return 'RedundantFunctionCall';
}
if ($issue_type === 'RedundantCastGivenDocblockType') {
return 'RedundantCast';
}
if ($issue_type === 'TraitMethodSignatureMismatch') {
return 'MethodSignatureMismatch';
}
if ($issue_type === 'ImplementedParamTypeMismatch') {
return 'MoreSpecificImplementedParamType';
}
if ($issue_type === 'UndefinedDocblockClass') {
return 'UndefinedClass';
}
if ($issue_type === 'UnusedForeachValue') {
return 'UnusedVariable';
}
return null;
}
public function getReportingLevelForFile(string $issue_type, string $file_path): string
{
if (isset($this->issue_handlers[$issue_type])) {
return $this->issue_handlers[$issue_type]->getReportingLevelForFile($file_path);
}
// this string is replaced by scoper for Phars, so be careful
$issue_class = 'Psalm\\Issue\\' . $issue_type;
if (!class_exists($issue_class) || !is_a($issue_class, CodeIssue::class, true)) {
return self::REPORT_ERROR;
}
/** @var int */
$issue_level = $issue_class::ERROR_LEVEL;
if ($issue_level > 0 && $issue_level < $this->level) {
return self::REPORT_INFO;
}
return self::REPORT_ERROR;
}
public function getReportingLevelForClass(string $issue_type, string $fq_classlike_name): ?string
{
if (isset($this->issue_handlers[$issue_type])) {
return $this->issue_handlers[$issue_type]->getReportingLevelForClass($fq_classlike_name);
}
return null;
}
public function getReportingLevelForMethod(string $issue_type, string $method_id): ?string
{
if (isset($this->issue_handlers[$issue_type])) {
return $this->issue_handlers[$issue_type]->getReportingLevelForMethod($method_id);
}
return null;
}
public function getReportingLevelForFunction(string $issue_type, string $function_id): ?string
{
$level = null;
if (isset($this->issue_handlers[$issue_type])) {
$level = $this->issue_handlers[$issue_type]->getReportingLevelForFunction($function_id);
if ($level === null && $issue_type === 'UndefinedFunction') {
// undefined functions trigger global namespace fallback
// so we should also check reporting levels for the symbol in global scope
$root_function_id = preg_replace('/.*\\\/', '', $function_id);
if ($root_function_id !== $function_id) {
/** @psalm-suppress PossiblyUndefinedStringArrayOffset https://github.com/vimeo/psalm/issues/7656 */
$level = $this->issue_handlers[$issue_type]->getReportingLevelForFunction($root_function_id);
}
}
}
return $level;
}
public function getReportingLevelForArgument(string $issue_type, string $function_id): ?string
{
if (isset($this->issue_handlers[$issue_type])) {
return $this->issue_handlers[$issue_type]->getReportingLevelForArgument($function_id);
}
return null;
}
public function getReportingLevelForProperty(string $issue_type, string $property_id): ?string
{
if (isset($this->issue_handlers[$issue_type])) {
return $this->issue_handlers[$issue_type]->getReportingLevelForProperty($property_id);
}
return null;
}
public function getReportingLevelForClassConstant(string $issue_type, string $constant_id): ?string
{
if (isset($this->issue_handlers[$issue_type])) {
return $this->issue_handlers[$issue_type]->getReportingLevelForClassConstant($constant_id);
}
return null;
}
public function getReportingLevelForVariable(string $issue_type, string $var_name): ?string
{
if (isset($this->issue_handlers[$issue_type])) {
return $this->issue_handlers[$issue_type]->getReportingLevelForVariable($var_name);
}
return null;
}
/**
* @return array<string>
*/
public function getProjectDirectories(): array
{
if (!$this->project_files) {
return [];
}
return $this->project_files->getDirectories();
}
/**
* @return array<string>
*/
public function getProjectFiles(): array
{
if (!$this->project_files) {
return [];
}
return $this->project_files->getFiles();
}
/**
* @return array<string>
*/
public function getExtraDirectories(): array
{
if (!$this->extra_files) {
return [];
}
return $this->extra_files->getDirectories();
}
public function reportTypeStatsForFile(string $file_path): bool
{
return $this->project_files
&& $this->project_files->allows($file_path)
&& $this->project_files->reportTypeStats($file_path);
}
public function useStrictTypesForFile(string $file_path): bool
{
return $this->project_files && $this->project_files->useStrictTypes($file_path);
}
/**
* @return array<int, string>
*/
public function getFileExtensions(): array
{
return $this->file_extensions;
}
/**
* @return array<string, class-string<FileScanner>>
*/
public function getFiletypeScanners(): array
{
return $this->filetype_scanners;
}
/**
* @return array<string, class-string<FileAnalyzer>>
*/
public function getFiletypeAnalyzers(): array
{
return $this->filetype_analyzers;
}
/**
* @return array<int, string>
*/
public function getMockClasses(): array
{
return $this->mock_classes;
}
public function visitPreloadedStubFiles(Codebase $codebase, ?Progress $progress = null): void
{
if ($progress === null) {
$progress = new VoidProgress();
}
$core_generic_files = [];
if (PHP_VERSION_ID < 8_00_00 && $codebase->analysis_php_version_id >= 8_00_00) {
$stringable_path = dirname(__DIR__, 2) . '/stubs/Php80.phpstub';
if (!file_exists($stringable_path)) {
throw new UnexpectedValueException('Cannot locate PHP 8.0 classes');
}
$core_generic_files[] = $stringable_path;
}
if (PHP_VERSION_ID < 8_01_00 && $codebase->analysis_php_version_id >= 8_01_00) {
$stringable_path = dirname(__DIR__, 2) . '/stubs/Php81.phpstub';
if (!file_exists($stringable_path)) {
throw new UnexpectedValueException('Cannot locate PHP 8.1 classes');
}
$core_generic_files[] = $stringable_path;
}
if (PHP_VERSION_ID < 8_02_00 && $codebase->analysis_php_version_id >= 8_02_00) {
$stringable_path = dirname(__DIR__, 2) . '/stubs/Php82.phpstub';
if (!file_exists($stringable_path)) {
throw new UnexpectedValueException('Cannot locate PHP 8.2 classes');
}
$core_generic_files[] = $stringable_path;
}
$stub_files = array_merge($core_generic_files, $this->preloaded_stub_files);
if (!$stub_files) {
return;
}
foreach ($stub_files as $file_path) {
$file_path = str_replace(['/', '\\'], DIRECTORY_SEPARATOR, $file_path);
$codebase->scanner->addFileToDeepScan($file_path);
}
$progress->debug('Registering preloaded stub files' . "\n");
$codebase->register_stub_files = true;
$codebase->scanFiles();
$codebase->register_stub_files = false;
$progress->debug('Finished registering preloaded stub files' . "\n");
}
public function visitStubFiles(Codebase $codebase, ?Progress $progress = null): void
{
if ($progress === null) {
$progress = new VoidProgress();
}
$codebase->register_stub_files = true;
$dir_lvl_2 = dirname(__DIR__, 2);
$this->internal_stubs = [
$dir_lvl_2 . DIRECTORY_SEPARATOR . 'stubs' . DIRECTORY_SEPARATOR . 'CoreGenericFunctions.phpstub',
$dir_lvl_2 . DIRECTORY_SEPARATOR . 'stubs' . DIRECTORY_SEPARATOR . 'CoreGenericClasses.phpstub',
$dir_lvl_2 . DIRECTORY_SEPARATOR . 'stubs' . DIRECTORY_SEPARATOR . 'CoreGenericIterators.phpstub',
$dir_lvl_2 . DIRECTORY_SEPARATOR . 'stubs' . DIRECTORY_SEPARATOR . 'CoreImmutableClasses.phpstub',
$dir_lvl_2 . DIRECTORY_SEPARATOR . 'stubs' . DIRECTORY_SEPARATOR . 'Reflection.phpstub',
$dir_lvl_2 . DIRECTORY_SEPARATOR . 'stubs' . DIRECTORY_SEPARATOR . 'SPL.phpstub',
];
if ($codebase->analysis_php_version_id >= 8_00_00) {
$stringable_path = $dir_lvl_2 . DIRECTORY_SEPARATOR . 'stubs' . DIRECTORY_SEPARATOR . 'Php80.phpstub';
$this->internal_stubs[] = $stringable_path;
}
if ($codebase->analysis_php_version_id >= 8_01_00) {
$stringable_path = $dir_lvl_2 . DIRECTORY_SEPARATOR . 'stubs' . DIRECTORY_SEPARATOR . 'Php81.phpstub';
$this->internal_stubs[] = $stringable_path;
}
if ($codebase->analysis_php_version_id >= 8_02_00) {
$stringable_path = $dir_lvl_2 . DIRECTORY_SEPARATOR . 'stubs' . DIRECTORY_SEPARATOR . 'Php82.phpstub';
$this->internal_stubs[] = $stringable_path;
$this->php_extensions['random'] = true; // random is a part of the PHP core starting from PHP 8.2
}
$ext_stubs_dir = $dir_lvl_2 . DIRECTORY_SEPARATOR . "stubs" . DIRECTORY_SEPARATOR . "extensions";
foreach ($this->php_extensions as $ext => $enabled) {
if ($enabled) {
$this->internal_stubs[] = $ext_stubs_dir . DIRECTORY_SEPARATOR . "$ext.phpstub";
}
}
/** @deprecated Will be removed in Psalm 6 */
$extensions_to_load_stubs_using_deprecated_way = ['apcu', 'random', 'redis'];
foreach ($extensions_to_load_stubs_using_deprecated_way as $ext_name) {
$ext_stub_path = $ext_stubs_dir . DIRECTORY_SEPARATOR . "$ext_name.phpstub";
$is_stub_already_loaded = in_array($ext_stub_path, $this->internal_stubs, true);
$is_ext_explicitly_disabled = ($this->php_extensions[$ext_name] ?? null) === false;
if (! $is_stub_already_loaded && ! $is_ext_explicitly_disabled && extension_loaded($ext_name)) {
$this->internal_stubs[] = $ext_stub_path;
$this->config_warnings[] = "Psalm 6 will not automatically load stubs for ext-$ext_name."
. " You should explicitly enable or disable this ext in composer.json or Psalm config.";
}
}
foreach ($this->internal_stubs as $stub_path) {
if (!file_exists($stub_path)) {
throw new UnexpectedValueException('Cannot locate ' . $stub_path);
}
}
$stub_files = array_merge($this->internal_stubs, $this->stub_files);
$phpstorm_meta_path = $this->base_dir . DIRECTORY_SEPARATOR . '.phpstorm.meta.php';
if ($this->use_phpstorm_meta_path) {
if (is_file($phpstorm_meta_path)) {
$stub_files[] = $phpstorm_meta_path;
} elseif (is_dir($phpstorm_meta_path)) {
$phpstorm_meta_path = realpath($phpstorm_meta_path);
foreach (glob($phpstorm_meta_path . '/*.meta.php', GLOB_NOSORT) as $glob) {
if (is_file($glob) && realpath(dirname($glob)) === $phpstorm_meta_path) {
$stub_files[] = $glob;
}
}
}
}
foreach ($stub_files as $file_path) {
$file_path = str_replace(['/', '\\'], DIRECTORY_SEPARATOR, $file_path);
$codebase->scanner->addFileToDeepScan($file_path);
}
$progress->debug('Registering stub files' . "\n");
$codebase->scanFiles();
$progress->debug('Finished registering stub files' . "\n");
$codebase->register_stub_files = false;
}
public function getCacheDirectory(): ?string
{
if ($this->cache_directory === null) {
return null;
}
if ($this->cache_directory_initialized) {
return $this->cache_directory;
}
$cwd = null;
if ($this->resolve_from_config_file) {
$cwd = getcwd();
chdir($this->base_dir);
}
try {
if (!is_dir($this->cache_directory)) {
try {
if (mkdir($this->cache_directory, 0777, true) === false) {
// any other error than directory already exists/permissions issue
throw new RuntimeException('Failed to create Psalm cache directory for unknown reasons');
}
} catch (RuntimeException $e) {
if (!is_dir($this->cache_directory)) {
// rethrow the error with default message
// it contains the reason why creation failed
throw $e;
}
}
}
} finally {
if ($cwd) {
chdir($cwd);
}
}
$this->cache_directory_initialized = true;
return $this->cache_directory;
}
public function getGlobalCacheDirectory(): ?string
{
return $this->global_cache_directory;
}
/**
* @return array<string, mixed>
*/
public function getPredefinedConstants(): array
{
return $this->predefined_constants;
}
public function collectPredefinedConstants(): void
{
$this->predefined_constants = get_defined_constants();
}
/**
* @return array<callable-string, bool>
*/
public function getPredefinedFunctions(): array
{
return $this->predefined_functions;
}
public function collectPredefinedFunctions(): void
{
$defined_functions = get_defined_functions();
foreach ($defined_functions['user'] as $function_name) {
$this->predefined_functions[$function_name] = true;
}
foreach ($defined_functions['internal'] as $function_name) {
$this->predefined_functions[$function_name] = true;
}
}
public function setIncludeCollector(IncludeCollector $include_collector): void
{
$this->include_collector = $include_collector;
}
public function visitComposerAutoloadFiles(ProjectAnalyzer $project_analyzer, ?Progress $progress = null): void
{
if ($progress === null) {
$progress = new VoidProgress();
}
if (!$this->include_collector) {
throw new LogicException("IncludeCollector should be set at this point");
}
$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)) {
$this->include_collector->runAndCollect(
static fn(): array =>
/**
* @psalm-suppress UnresolvableInclude
* @var string[]
*/
require $vendor_autoload_files_path,
);
}
$codebase = $project_analyzer->getCodebase();
$this->collectPredefinedFunctions();
if ($this->autoloader) {
// somee classes that we think are missing may not actually be missing
// as they might be autoloadable once we require the autoloader below
$codebase->classlikes->forgetMissingClassLikes();
$this->include_collector->runAndCollect(
[$this, 'requireAutoloader'],
);
}
$this->collectPredefinedConstants();
$autoload_included_files = $this->include_collector->getFilteredIncludedFiles();
if ($autoload_included_files) {
$codebase->register_autoload_files = true;
$progress->debug('Registering autoloaded files' . "\n");
foreach ($autoload_included_files as $file_path) {
$file_path = str_replace(['/', '\\'], DIRECTORY_SEPARATOR, $file_path);
$progress->debug(' ' . $file_path . "\n");
$codebase->scanner->addFileToDeepScan($file_path);
}
$codebase->scanner->scanFiles($codebase->classlikes);
$progress->debug('Finished registering autoloaded files' . "\n");
$codebase->register_autoload_files = false;
}
}
/**
* @return string|false
*/
public function getComposerFilePathForClassLike(string $fq_classlike_name)
{
if (!$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;
}
$psr4_prefixes = $this->composer_class_loader->getPrefixesPsr4();
// PSR-4 lookup
$logicalPathPsr4 = str_replace('\\', DIRECTORY_SEPARATOR, $class) . '.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;
}
public static function removeCacheDirectory(string $dir): void
{
clearstatcache(true, $dir);
if (is_dir($dir)) {
$objects = scandir($dir, SCANDIR_SORT_NONE);
if ($objects === false) {
throw new UnexpectedValueException('Not expecting false here');
}
foreach ($objects as $object) {
if ($object === '.' || $object === '..') {
continue;
}
$full_path = $dir . '/' . $object;
// if it was deleted in the meantime/race condition with other psalm process
clearstatcache(true, $full_path);
if (!file_exists($full_path)) {
continue;
}
if (is_dir($full_path)) {
self::removeCacheDirectory($full_path);
} else {
$fp = fopen($full_path, 'c');
if ($fp === false) {
continue;
}
$max_wait_cycles = 5;
$has_lock = false;
while ($max_wait_cycles > 0) {
if (flock($fp, LOCK_EX)) {
$has_lock = true;
break;
}
$max_wait_cycles--;
usleep(50_000);
}
try {
if (!$has_lock) {
throw new RuntimeException('Could not acquire lock for deletion of ' . $full_path);
}
unlink($full_path);
fclose($fp);
} catch (RuntimeException $e) {
if (is_resource($fp)) {
fclose($fp);
}
clearstatcache(true, $full_path);
if (file_exists($full_path)) {
// rethrow the error with default message
// it contains the reason why deletion failed
throw $e;
}
}
}
}
// may have been removed in the meantime
clearstatcache(true, $dir);
if (is_dir($dir)) {
rmdir($dir);
}
}
}
public function setServerMode(): void
{
if ($this->cache_directory !== null) {
$this->cache_directory .= '-s';
}
}
public function addStubFile(string $stub_file): void
{
$this->stub_files[$stub_file] = $stub_file;
}
public function hasStubFile(string $stub_file): bool
{
return isset($this->stub_files[$stub_file]);
}
/**
* @return array<string, string>
*/
public function getStubFiles(): array
{
return $this->stub_files;
}
public function addPreloadedStubFile(string $stub_file): void
{
$this->preloaded_stub_files[$stub_file] = $stub_file;
}
public function getPhpVersion(): ?string
{
return $this->getPhpVersionFromConfig() ?? $this->getPHPVersionFromComposerJson();
}
public function getPhpVersionFromConfig(): ?string
{
return $this->configured_php_version;
}
private function setBooleanAttribute(string $name, bool $value): void
{
$this->$name = $value;
}
/**
* @psalm-suppress MixedAssignment
* @psalm-suppress MixedArrayAccess
*/
public function getPHPVersionFromComposerJson(): ?string
{
$composer_json_path = Composer::getJsonFilePath($this->base_dir);
if (file_exists($composer_json_path)) {
try {
$composer_json = json_decode(file_get_contents($composer_json_path), true, 512, JSON_THROW_ON_ERROR);
} catch (JsonException $e) {
$composer_json = null;
}
if (!$composer_json) {
throw new UnexpectedValueException('Invalid composer.json at ' . $composer_json_path);
}
$php_version = $composer_json['require']['php'] ?? null;
if (is_string($php_version)) {
$version_parser = new VersionParser();
$constraint = $version_parser->parseConstraints($php_version);
foreach (['5.4', '5.5', '5.6', '7.0', '7.1', '7.2', '7.3', '7.4', '8.0', '8.1'] as $candidate) {
if ($constraint->matches(new Constraint('<=', "$candidate.0.0-dev"))
|| $constraint->matches(new Constraint('<=', "$candidate.999"))
) {
return $candidate;
}
}
}
}
return null;
}
public function addUniversalObjectCrate(string $class): void
{
if (!class_exists($class)) {
throw new UnexpectedValueException($class . ' is not a known class');
}
$this->universal_object_crates[] = strtolower($class);
}
/**
* @return array<int, lowercase-string>
*/
public function getUniversalObjectCrates(): array
{
return $this->universal_object_crates;
}
/** @internal */
public function requireAutoloader(): void
{
/** @psalm-suppress UnresolvableInclude */
require $this->autoloader;
}
}