mirror of
https://github.com/danog/psalm.git
synced 2024-12-13 17:57:37 +01:00
1519 lines
47 KiB
PHP
1519 lines
47 KiB
PHP
<?php
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namespace Psalm\Internal\Analyzer;
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use Psalm\Codebase;
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use Psalm\Config;
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use Psalm\Context;
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use Psalm\Exception\UnsupportedIssueToFixException;
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use Psalm\FileManipulation;
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use Psalm\Internal\LanguageServer\{LanguageServer, ProtocolStreamReader, ProtocolStreamWriter};
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use Psalm\Internal\Provider\ClassLikeStorageProvider;
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use Psalm\Internal\Provider\FileProvider;
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use Psalm\Internal\Provider\FileReferenceProvider;
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use Psalm\Internal\Provider\ParserCacheProvider;
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use Psalm\Internal\Provider\ProjectCacheProvider;
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use Psalm\Internal\Provider\Providers;
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use Psalm\Issue\InvalidFalsableReturnType;
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use Psalm\Issue\InvalidNullableReturnType;
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use Psalm\Issue\InvalidReturnType;
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use Psalm\Issue\LessSpecificReturnType;
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use Psalm\Issue\MismatchingDocblockParamType;
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use Psalm\Issue\MismatchingDocblockReturnType;
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use Psalm\Issue\MissingClosureReturnType;
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use Psalm\Issue\MissingParamType;
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use Psalm\Issue\MissingReturnType;
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use Psalm\Issue\PossiblyUndefinedGlobalVariable;
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use Psalm\Issue\PossiblyUndefinedVariable;
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use Psalm\Issue\PossiblyUnusedMethod;
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use Psalm\Issue\PossiblyUnusedProperty;
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use Psalm\Issue\UnnecessaryVarAnnotation;
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use Psalm\Issue\UnusedMethod;
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use Psalm\Issue\UnusedProperty;
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use Psalm\Issue\UnusedVariable;
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use Psalm\Progress\Progress;
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use Psalm\Progress\VoidProgress;
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use Psalm\Report;
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use Psalm\Report\ReportOptions;
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use Psalm\Type;
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use Psalm\Issue\CodeIssue;
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use function substr;
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use function strlen;
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use function cli_set_process_title;
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use function stream_socket_client;
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use function fwrite;
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use const STDERR;
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use function stream_set_blocking;
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use function stream_socket_server;
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use const STDOUT;
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use function extension_loaded;
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use function stream_socket_accept;
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use function pcntl_fork;
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use const STDIN;
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use function microtime;
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use function array_merge;
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use function count;
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use function implode;
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use function array_diff;
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use function strpos;
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use function explode;
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use function array_pop;
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use function strtolower;
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use function usort;
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use function file_exists;
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use function dirname;
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use function mkdir;
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use function rename;
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use function is_dir;
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use function is_file;
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use const PHP_EOL;
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use function array_shift;
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use function array_combine;
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use function preg_match;
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use function array_keys;
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use function array_fill_keys;
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use function defined;
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use function trim;
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use function shell_exec;
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use function is_string;
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use function filter_var;
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use const FILTER_VALIDATE_INT;
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use function is_int;
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use function is_readable;
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use function file_get_contents;
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use function substr_count;
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use function array_map;
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use function end;
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use Psalm\Internal\Codebase\Taint;
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/**
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* @internal
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*/
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class ProjectAnalyzer
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{
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/**
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* Cached config
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*
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* @var Config
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*/
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private $config;
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/**
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* @var self
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*/
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public static $instance;
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/**
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* An object representing everything we know about the code
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*
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* @var Codebase
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*/
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private $codebase;
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/** @var FileProvider */
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private $file_provider;
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/** @var ClassLikeStorageProvider */
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private $classlike_storage_provider;
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/** @var ?ParserCacheProvider */
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private $parser_cache_provider;
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/** @var ?ProjectCacheProvider */
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public $project_cache_provider;
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/** @var FileReferenceProvider */
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private $file_reference_provider;
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/**
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* @var Progress
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*/
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public $progress;
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/**
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* @var bool
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*/
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public $debug_lines = false;
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/**
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* @var bool
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*/
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public $show_issues = true;
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/** @var int */
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public $threads;
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/**
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* @var array<string, bool>
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*/
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private $issues_to_fix = [];
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/**
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* @var bool
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*/
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public $dry_run = false;
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/**
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* @var bool
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*/
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public $full_run = false;
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/**
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* @var bool
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*/
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public $only_replace_php_types_with_non_docblock_types = false;
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/**
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* @var ?int
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*/
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public $onchange_line_limit;
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/**
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* @var bool
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*/
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public $provide_completion = false;
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/**
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* @var array<string,string>
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*/
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private $project_files = [];
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/**
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* @var array<string, string>
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*/
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private $to_refactor = [];
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/**
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* @var ?ReportOptions
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*/
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public $stdout_report_options;
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/**
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* @var array<ReportOptions>
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*/
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public $generated_report_options;
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/**
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* @var array<int, class-string<CodeIssue>>
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*/
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const SUPPORTED_ISSUES_TO_FIX = [
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InvalidFalsableReturnType::class,
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InvalidNullableReturnType::class,
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InvalidReturnType::class,
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LessSpecificReturnType::class,
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MismatchingDocblockParamType::class,
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MismatchingDocblockReturnType::class,
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MissingClosureReturnType::class,
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MissingParamType::class,
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MissingReturnType::class,
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PossiblyUndefinedGlobalVariable::class,
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PossiblyUndefinedVariable::class,
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PossiblyUnusedMethod::class,
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PossiblyUnusedProperty::class,
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UnusedMethod::class,
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UnusedProperty::class,
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UnusedVariable::class,
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UnnecessaryVarAnnotation::class,
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];
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/**
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* When this is true, the language server will send the diagnostic code with a help link.
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*
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* @var bool
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*/
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public $language_server_use_extended_diagnostic_codes = false;
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/**
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* If this is true then the language server will send log messages to the client with additional information.
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*
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* @var bool
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*/
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public $language_server_verbose = false;
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/**
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* @param array<ReportOptions> $generated_report_options
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* @param int $threads
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* @param string $reports
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*/
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public function __construct(
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Config $config,
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Providers $providers,
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?ReportOptions $stdout_report_options = null,
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array $generated_report_options = [],
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int $threads = 1,
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Progress $progress = null
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) {
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if ($progress === null) {
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$progress = new VoidProgress();
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}
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$this->parser_cache_provider = $providers->parser_cache_provider;
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$this->project_cache_provider = $providers->project_cache_provider;
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$this->file_provider = $providers->file_provider;
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$this->classlike_storage_provider = $providers->classlike_storage_provider;
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$this->file_reference_provider = $providers->file_reference_provider;
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$this->progress = $progress;
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$this->threads = $threads;
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$this->config = $config;
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$this->clearCacheDirectoryIfConfigOrComposerLockfileChanged();
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$this->codebase = new Codebase(
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$config,
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$providers,
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$progress
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);
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$this->stdout_report_options = $stdout_report_options;
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$this->generated_report_options = $generated_report_options;
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foreach ($this->config->getProjectDirectories() as $dir_name) {
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$file_extensions = $this->config->getFileExtensions();
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$file_paths = $this->file_provider->getFilesInDir($dir_name, $file_extensions);
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foreach ($file_paths as $file_path) {
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if ($this->config->isInProjectDirs($file_path)) {
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$this->addProjectFile($file_path);
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}
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}
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}
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foreach ($this->config->getProjectFiles() as $file_path) {
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$this->addProjectFile($file_path);
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}
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self::$instance = $this;
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}
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private function clearCacheDirectoryIfConfigOrComposerLockfileChanged() : void
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{
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if ($this->project_cache_provider
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&& $this->project_cache_provider->hasLockfileChanged()
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) {
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$this->progress->debug(
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'Composer lockfile change detected, clearing cache' . "\n"
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);
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Config::removeCacheDirectory($this->config->getCacheDirectory());
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if ($this->file_reference_provider->cache) {
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$this->file_reference_provider->cache->hasConfigChanged();
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}
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$this->project_cache_provider->updateComposerLockHash();
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} elseif ($this->file_reference_provider->cache
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&& $this->file_reference_provider->cache->hasConfigChanged()
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) {
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$this->progress->debug(
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'Config change detected, clearing cache' . "\n"
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);
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Config::removeCacheDirectory($this->config->getCacheDirectory());
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if ($this->project_cache_provider) {
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$this->project_cache_provider->hasLockfileChanged();
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}
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}
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}
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/**
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* @param array<string> $report_file_paths
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* @param bool $show_info
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* @return array<ReportOptions>
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*/
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public static function getFileReportOptions(array $report_file_paths, bool $show_info = true)
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{
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$report_options = [];
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$mapping = [
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'checkstyle.xml' => Report::TYPE_CHECKSTYLE,
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'sonarqube.json' => Report::TYPE_SONARQUBE,
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'summary.json' => Report::TYPE_JSON_SUMMARY,
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'junit.xml' => Report::TYPE_JUNIT,
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'.xml' => Report::TYPE_XML,
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'.json' => Report::TYPE_JSON,
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'.txt' => Report::TYPE_TEXT,
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'.emacs' => Report::TYPE_EMACS,
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'.pylint' => Report::TYPE_PYLINT,
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];
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foreach ($report_file_paths as $report_file_path) {
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foreach ($mapping as $extension => $type) {
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if (substr($report_file_path, -strlen($extension)) === $extension) {
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$o = new ReportOptions();
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$o->format = $type;
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$o->show_info = $show_info;
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$o->output_path = $report_file_path;
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$report_options[] = $o;
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continue 2;
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}
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}
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throw new \UnexpectedValueException('Unknown report format ' . $report_file_path);
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}
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return $report_options;
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}
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private function visitAutoloadFiles() : void
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{
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$start_time = microtime(true);
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$this->config->visitComposerAutoloadFiles($this, $this->progress);
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$now_time = microtime(true);
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$this->progress->debug(
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'Visiting autoload files took ' . \number_format($now_time - $start_time, 3) . 's' . "\n"
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);
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}
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/**
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* @param string|null $address
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* @return void
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*/
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public function server($address = '127.0.0.1:12345', bool $socket_server_mode = false)
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{
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$this->visitAutoloadFiles();
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$this->codebase->diff_methods = true;
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$this->file_reference_provider->loadReferenceCache();
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$this->codebase->enterServerMode();
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if (\ini_get('pcre.jit') === '1'
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&& \PHP_OS === 'Darwin'
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&& \version_compare(\PHP_VERSION, '7.3.0') >= 0
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&& \version_compare(\PHP_VERSION, '7.4.0') < 0
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) {
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// do nothing
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} else {
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$cpu_count = self::getCpuCount();
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// let's not go crazy
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$usable_cpus = $cpu_count - 2;
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if ($usable_cpus > 1) {
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$this->threads = $usable_cpus;
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}
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}
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$this->config->initializePlugins($this);
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foreach ($this->config->getProjectDirectories() as $dir_name) {
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$this->checkDirWithConfig($dir_name, $this->config);
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}
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@cli_set_process_title('Psalm ' . PSALM_VERSION . ' - PHP Language Server');
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||
|
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if (!$socket_server_mode && $address) {
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// Connect to a TCP server
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$socket = stream_socket_client('tcp://' . $address, $errno, $errstr);
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if ($socket === false) {
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fwrite(STDERR, "Could not connect to language client. Error $errno\n$errstr");
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exit(1);
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}
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stream_set_blocking($socket, false);
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new LanguageServer(
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new ProtocolStreamReader($socket),
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new ProtocolStreamWriter($socket),
|
||
$this
|
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);
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\Amp\Loop::run();
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} elseif ($socket_server_mode && $address) {
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// Run a TCP Server
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$tcpServer = stream_socket_server('tcp://' . $address, $errno, $errstr);
|
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if ($tcpServer === false) {
|
||
fwrite(STDERR, "Could not listen on $address. Error $errno\n$errstr");
|
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exit(1);
|
||
}
|
||
fwrite(STDOUT, "Server listening on $address\n");
|
||
if (!extension_loaded('pcntl')) {
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fwrite(STDERR, "PCNTL is not available. Only a single connection will be accepted\n");
|
||
}
|
||
while ($socket = stream_socket_accept($tcpServer, -1)) {
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||
fwrite(STDOUT, "Connection accepted\n");
|
||
stream_set_blocking($socket, false);
|
||
if (extension_loaded('pcntl')) {
|
||
// If PCNTL is available, fork a child process for the connection
|
||
// An exit notification will only terminate the child process
|
||
$pid = pcntl_fork();
|
||
if ($pid === -1) {
|
||
fwrite(STDERR, "Could not fork\n");
|
||
exit(1);
|
||
}
|
||
|
||
if ($pid === 0) {
|
||
// Child process
|
||
$reader = new ProtocolStreamReader($socket);
|
||
$reader->on(
|
||
'close',
|
||
/** @return void */
|
||
function () {
|
||
fwrite(STDOUT, "Connection closed\n");
|
||
}
|
||
);
|
||
new LanguageServer(
|
||
$reader,
|
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new ProtocolStreamWriter($socket),
|
||
$this
|
||
);
|
||
// Just for safety
|
||
exit(0);
|
||
}
|
||
} else {
|
||
// If PCNTL is not available, we only accept one connection.
|
||
// An exit notification will terminate the server
|
||
new LanguageServer(
|
||
new ProtocolStreamReader($socket),
|
||
new ProtocolStreamWriter($socket),
|
||
$this
|
||
);
|
||
\Amp\Loop::run();
|
||
}
|
||
}
|
||
} else {
|
||
// Use STDIO
|
||
stream_set_blocking(STDIN, false);
|
||
new LanguageServer(
|
||
new ProtocolStreamReader(STDIN),
|
||
new ProtocolStreamWriter(STDOUT),
|
||
$this
|
||
);
|
||
\Amp\Loop::run();
|
||
}
|
||
}
|
||
|
||
/**
|
||
* @return self
|
||
*/
|
||
public static function getInstance()
|
||
{
|
||
return self::$instance;
|
||
}
|
||
|
||
/**
|
||
* @param string $file_path
|
||
*
|
||
* @return bool
|
||
*/
|
||
public function canReportIssues($file_path)
|
||
{
|
||
return isset($this->project_files[$file_path]);
|
||
}
|
||
|
||
/**
|
||
* @param string $base_dir
|
||
* @param bool $is_diff
|
||
*
|
||
* @return void
|
||
*/
|
||
public function check($base_dir, $is_diff = false)
|
||
{
|
||
$start_checks = (int)microtime(true);
|
||
|
||
if (!$base_dir) {
|
||
throw new \InvalidArgumentException('Cannot work with empty base_dir');
|
||
}
|
||
|
||
$diff_files = null;
|
||
$deleted_files = null;
|
||
|
||
$this->full_run = true;
|
||
|
||
$reference_cache = $this->file_reference_provider->loadReferenceCache(true);
|
||
|
||
$this->codebase->diff_methods = $is_diff;
|
||
|
||
if ($is_diff
|
||
&& $reference_cache
|
||
&& $this->project_cache_provider
|
||
&& $this->project_cache_provider->canDiffFiles()
|
||
) {
|
||
$deleted_files = $this->file_reference_provider->getDeletedReferencedFiles();
|
||
$diff_files = $deleted_files;
|
||
|
||
foreach ($this->config->getProjectDirectories() as $dir_name) {
|
||
$diff_files = array_merge($diff_files, $this->getDiffFilesInDir($dir_name, $this->config));
|
||
}
|
||
}
|
||
|
||
$this->progress->startScanningFiles();
|
||
|
||
$diff_no_files = false;
|
||
|
||
if ($diff_files === null
|
||
|| $deleted_files === null
|
||
|| count($diff_files) > 200
|
||
) {
|
||
$this->visitAutoloadFiles();
|
||
|
||
$this->codebase->scanner->addFilesToDeepScan($this->project_files);
|
||
$this->codebase->analyzer->addFilesToAnalyze($this->project_files);
|
||
|
||
$this->config->initializePlugins($this);
|
||
|
||
$this->codebase->scanFiles($this->threads);
|
||
|
||
$this->codebase->infer_types_from_usage = true;
|
||
} else {
|
||
$this->progress->debug(count($diff_files) . ' changed files: ' . "\n");
|
||
$this->progress->debug(' ' . implode("\n ", $diff_files) . "\n");
|
||
|
||
$this->codebase->analyzer->addFilesToShowResults($this->project_files);
|
||
|
||
if ($diff_files) {
|
||
$file_list = $this->getReferencedFilesFromDiff($diff_files);
|
||
|
||
// strip out deleted files
|
||
$file_list = array_diff($file_list, $deleted_files);
|
||
|
||
if ($file_list) {
|
||
$this->visitAutoloadFiles();
|
||
|
||
$this->checkDiffFilesWithConfig($this->config, $file_list);
|
||
|
||
$this->config->initializePlugins($this);
|
||
|
||
$this->codebase->scanFiles($this->threads);
|
||
} else {
|
||
$diff_no_files = true;
|
||
}
|
||
} else {
|
||
$diff_no_files = true;
|
||
}
|
||
}
|
||
|
||
if (!$diff_no_files) {
|
||
$this->config->visitStubFiles($this->codebase, $this->progress);
|
||
|
||
$plugin_classes = $this->config->after_codebase_populated;
|
||
|
||
if ($plugin_classes) {
|
||
foreach ($plugin_classes as $plugin_fq_class_name) {
|
||
$plugin_fq_class_name::afterCodebasePopulated($this->codebase);
|
||
}
|
||
}
|
||
}
|
||
|
||
$this->progress->startAnalyzingFiles();
|
||
|
||
$this->codebase->analyzer->analyzeFiles(
|
||
$this,
|
||
$this->threads,
|
||
$this->codebase->alter_code,
|
||
true
|
||
);
|
||
|
||
if ($this->project_cache_provider && $this->parser_cache_provider) {
|
||
$removed_parser_files = $this->parser_cache_provider->deleteOldParserCaches(
|
||
$is_diff ? $this->project_cache_provider->getLastRun() : $start_checks
|
||
);
|
||
|
||
if ($removed_parser_files) {
|
||
$this->progress->debug('Removed ' . $removed_parser_files . ' old parser caches' . "\n");
|
||
}
|
||
|
||
if ($is_diff) {
|
||
$this->parser_cache_provider->touchParserCaches($this->getAllFiles($this->config), $start_checks);
|
||
}
|
||
}
|
||
}
|
||
|
||
/**
|
||
* @return void
|
||
*/
|
||
public function consolidateAnalyzedData()
|
||
{
|
||
$this->codebase->classlikes->consolidateAnalyzedData(
|
||
$this->codebase->methods,
|
||
$this->progress,
|
||
!!$this->codebase->find_unused_code
|
||
);
|
||
}
|
||
|
||
/**
|
||
* @return void
|
||
*/
|
||
public function trackTaintedInputs()
|
||
{
|
||
$this->codebase->taint = new Taint();
|
||
}
|
||
|
||
/**
|
||
* @return void
|
||
*/
|
||
public function trackUnusedSuppressions()
|
||
{
|
||
$this->codebase->track_unused_suppressions = true;
|
||
}
|
||
|
||
public function interpretRefactors() : void
|
||
{
|
||
if (!$this->codebase->alter_code) {
|
||
throw new \UnexpectedValueException('Should not be checking references');
|
||
}
|
||
|
||
// interpret wildcards
|
||
foreach ($this->to_refactor as $source => $destination) {
|
||
if (($source_pos = strpos($source, '*'))
|
||
&& ($destination_pos = strpos($destination, '*'))
|
||
&& $source_pos === (strlen($source) - 1)
|
||
&& $destination_pos === (strlen($destination) - 1)
|
||
) {
|
||
foreach ($this->codebase->classlike_storage_provider->getAll() as $class_storage) {
|
||
if (substr($class_storage->name, 0, $source_pos) === substr($source, 0, -1)) {
|
||
$this->to_refactor[$class_storage->name]
|
||
= substr($destination, 0, -1) . substr($class_storage->name, $source_pos);
|
||
}
|
||
}
|
||
|
||
unset($this->to_refactor[$source]);
|
||
}
|
||
}
|
||
|
||
foreach ($this->to_refactor as $source => $destination) {
|
||
$source_parts = explode('::', $source);
|
||
$destination_parts = explode('::', $destination);
|
||
|
||
if (!$this->codebase->classlikes->hasFullyQualifiedClassName($source_parts[0])) {
|
||
throw new \Psalm\Exception\RefactorException(
|
||
'Source class ' . $source_parts[0] . ' doesn’t exist'
|
||
);
|
||
}
|
||
|
||
if (count($source_parts) === 1 && count($destination_parts) === 1) {
|
||
if ($this->codebase->classlikes->hasFullyQualifiedClassName($destination_parts[0])) {
|
||
throw new \Psalm\Exception\RefactorException(
|
||
'Destination class ' . $destination_parts[0] . ' already exists'
|
||
);
|
||
}
|
||
|
||
$source_class_storage = $this->codebase->classlike_storage_provider->get($source_parts[0]);
|
||
|
||
$destination_parts = explode('\\', $destination);
|
||
|
||
array_pop($destination_parts);
|
||
$destination_ns = implode('\\', $destination_parts);
|
||
|
||
$this->codebase->classes_to_move[strtolower($source)] = $destination;
|
||
|
||
$destination_class_storage = $this->codebase->classlike_storage_provider->create($destination);
|
||
|
||
$destination_class_storage->name = $destination;
|
||
|
||
if ($source_class_storage->aliases) {
|
||
$destination_class_storage->aliases = clone $source_class_storage->aliases;
|
||
$destination_class_storage->aliases->namespace = $destination_ns;
|
||
}
|
||
|
||
$destination_class_storage->location = $source_class_storage->location;
|
||
$destination_class_storage->stmt_location = $source_class_storage->stmt_location;
|
||
$destination_class_storage->populated = true;
|
||
|
||
$this->codebase->class_transforms[strtolower($source)] = $destination;
|
||
|
||
continue;
|
||
}
|
||
|
||
$source_method_id = new \Psalm\Internal\MethodIdentifier(
|
||
$source_parts[0],
|
||
strtolower($source_parts[1])
|
||
);
|
||
|
||
if ($this->codebase->methods->methodExists($source_method_id)) {
|
||
if ($this->codebase->methods->methodExists(
|
||
new \Psalm\Internal\MethodIdentifier(
|
||
$destination_parts[0],
|
||
strtolower($destination_parts[1])
|
||
)
|
||
)) {
|
||
throw new \Psalm\Exception\RefactorException(
|
||
'Destination method ' . $destination . ' already exists'
|
||
);
|
||
}
|
||
|
||
if (!$this->codebase->classlikes->classExists($destination_parts[0])) {
|
||
throw new \Psalm\Exception\RefactorException(
|
||
'Destination class ' . $destination_parts[0] . ' doesn’t exist'
|
||
);
|
||
}
|
||
|
||
if (strtolower($source_parts[0]) !== strtolower($destination_parts[0])) {
|
||
$source_method_storage = $this->codebase->methods->getStorage($source_method_id);
|
||
$destination_class_storage
|
||
= $this->codebase->classlike_storage_provider->get($destination_parts[0]);
|
||
|
||
if (!$source_method_storage->is_static
|
||
&& !isset(
|
||
$destination_class_storage->parent_classes[strtolower($source_method_id->fq_class_name)]
|
||
)
|
||
) {
|
||
throw new \Psalm\Exception\RefactorException(
|
||
'Cannot move non-static method ' . $source
|
||
. ' into unrelated class ' . $destination_parts[0]
|
||
);
|
||
}
|
||
|
||
$this->codebase->methods_to_move[strtolower($source)]= $destination;
|
||
} else {
|
||
$this->codebase->methods_to_rename[strtolower($source)] = $destination_parts[1];
|
||
}
|
||
|
||
$this->codebase->call_transforms[strtolower($source) . '\((.*\))'] = $destination . '($1)';
|
||
continue;
|
||
}
|
||
|
||
if ($source_parts[1][0] === '$') {
|
||
if ($destination_parts[1][0] !== '$') {
|
||
throw new \Psalm\Exception\RefactorException(
|
||
'Destination property must be of the form Foo::$bar'
|
||
);
|
||
}
|
||
|
||
if (!$this->codebase->properties->propertyExists($source, true)) {
|
||
throw new \Psalm\Exception\RefactorException(
|
||
'Property ' . $source . ' does not exist'
|
||
);
|
||
}
|
||
|
||
if ($this->codebase->properties->propertyExists($destination, true)) {
|
||
throw new \Psalm\Exception\RefactorException(
|
||
'Destination property ' . $destination . ' already exists'
|
||
);
|
||
}
|
||
|
||
if (!$this->codebase->classlikes->classExists($destination_parts[0])) {
|
||
throw new \Psalm\Exception\RefactorException(
|
||
'Destination class ' . $destination_parts[0] . ' doesn’t exist'
|
||
);
|
||
}
|
||
|
||
$source_id = strtolower($source_parts[0]) . '::' . $source_parts[1];
|
||
|
||
if (strtolower($source_parts[0]) !== strtolower($destination_parts[0])) {
|
||
$source_storage = $this->codebase->properties->getStorage($source);
|
||
|
||
if (!$source_storage->is_static) {
|
||
throw new \Psalm\Exception\RefactorException(
|
||
'Cannot move non-static property ' . $source
|
||
);
|
||
}
|
||
|
||
$this->codebase->properties_to_move[$source_id] = $destination;
|
||
} else {
|
||
$this->codebase->properties_to_rename[$source_id] = substr($destination_parts[1], 1);
|
||
}
|
||
|
||
$this->codebase->property_transforms[$source_id] = $destination;
|
||
continue;
|
||
}
|
||
|
||
$source_class_constants = $this->codebase->classlikes->getConstantsForClass(
|
||
$source_parts[0],
|
||
\ReflectionProperty::IS_PRIVATE
|
||
);
|
||
|
||
if (isset($source_class_constants[$source_parts[1]])) {
|
||
if (!$this->codebase->classlikes->hasFullyQualifiedClassName($destination_parts[0])) {
|
||
throw new \Psalm\Exception\RefactorException(
|
||
'Destination class ' . $destination_parts[0] . ' doesn’t exist'
|
||
);
|
||
}
|
||
|
||
$destination_class_constants = $this->codebase->classlikes->getConstantsForClass(
|
||
$destination_parts[0],
|
||
\ReflectionProperty::IS_PRIVATE
|
||
);
|
||
|
||
if (isset($destination_class_constants[$destination_parts[1]])) {
|
||
throw new \Psalm\Exception\RefactorException(
|
||
'Destination constant ' . $destination . ' already exists'
|
||
);
|
||
}
|
||
|
||
$source_id = strtolower($source_parts[0]) . '::' . $source_parts[1];
|
||
|
||
if (strtolower($source_parts[0]) !== strtolower($destination_parts[0])) {
|
||
$this->codebase->class_constants_to_move[$source_id] = $destination;
|
||
} else {
|
||
$this->codebase->class_constants_to_rename[$source_id] = $destination_parts[1];
|
||
}
|
||
|
||
$this->codebase->class_constant_transforms[$source_id] = $destination;
|
||
continue;
|
||
}
|
||
|
||
throw new \Psalm\Exception\RefactorException(
|
||
'Psalm cannot locate ' . $source
|
||
);
|
||
}
|
||
}
|
||
|
||
public function prepareMigration() : void
|
||
{
|
||
if (!$this->codebase->alter_code) {
|
||
throw new \UnexpectedValueException('Should not be checking references');
|
||
}
|
||
|
||
$this->codebase->classlikes->moveMethods(
|
||
$this->codebase->methods,
|
||
$this->progress
|
||
);
|
||
|
||
$this->codebase->classlikes->moveProperties(
|
||
$this->codebase->properties,
|
||
$this->progress
|
||
);
|
||
|
||
$this->codebase->classlikes->moveClassConstants(
|
||
$this->progress
|
||
);
|
||
}
|
||
|
||
public function migrateCode() : void
|
||
{
|
||
if (!$this->codebase->alter_code) {
|
||
throw new \UnexpectedValueException('Should not be checking references');
|
||
}
|
||
|
||
$migration_manipulations = \Psalm\Internal\FileManipulation\FileManipulationBuffer::getMigrationManipulations(
|
||
$this->codebase->file_provider
|
||
);
|
||
|
||
if ($migration_manipulations) {
|
||
foreach ($migration_manipulations as $file_path => $file_manipulations) {
|
||
usort(
|
||
$file_manipulations,
|
||
/**
|
||
* @return int
|
||
*/
|
||
function (FileManipulation $a, FileManipulation $b) {
|
||
if ($a->start === $b->start) {
|
||
if ($b->end === $a->end) {
|
||
return $b->insertion_text > $a->insertion_text ? 1 : -1;
|
||
}
|
||
|
||
return $b->end > $a->end ? 1 : -1;
|
||
}
|
||
|
||
return $b->start > $a->start ? 1 : -1;
|
||
}
|
||
);
|
||
|
||
$existing_contents = $this->codebase->file_provider->getContents($file_path);
|
||
|
||
foreach ($file_manipulations as $manipulation) {
|
||
$existing_contents = $manipulation->transform($existing_contents);
|
||
}
|
||
|
||
$this->codebase->file_provider->setContents($file_path, $existing_contents);
|
||
}
|
||
}
|
||
|
||
if ($this->codebase->classes_to_move) {
|
||
foreach ($this->codebase->classes_to_move as $source => $destination) {
|
||
$source_class_storage = $this->codebase->classlike_storage_provider->get($source);
|
||
|
||
if (!$source_class_storage->location) {
|
||
continue;
|
||
}
|
||
|
||
$potential_file_path = $this->config->getPotentialComposerFilePathForClassLike($destination);
|
||
|
||
if ($potential_file_path && !file_exists($potential_file_path)) {
|
||
$containing_dir = dirname($potential_file_path);
|
||
|
||
if (!file_exists($containing_dir)) {
|
||
mkdir($containing_dir, 0777, true);
|
||
}
|
||
|
||
rename($source_class_storage->location->file_path, $potential_file_path);
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
/**
|
||
* @param string $symbol
|
||
*
|
||
* @return void
|
||
*/
|
||
public function findReferencesTo($symbol)
|
||
{
|
||
if (!$this->stdout_report_options) {
|
||
throw new \UnexpectedValueException('Not expecting to emit output');
|
||
}
|
||
|
||
$locations = $this->codebase->findReferencesToSymbol($symbol);
|
||
|
||
foreach ($locations as $location) {
|
||
$snippet = $location->getSnippet();
|
||
|
||
$snippet_bounds = $location->getSnippetBounds();
|
||
$selection_bounds = $location->getSelectionBounds();
|
||
|
||
$selection_start = $selection_bounds[0] - $snippet_bounds[0];
|
||
$selection_length = $selection_bounds[1] - $selection_bounds[0];
|
||
|
||
echo $location->file_name . ':' . $location->getLineNumber() . "\n" .
|
||
(
|
||
$this->stdout_report_options->use_color
|
||
? substr($snippet, 0, $selection_start) .
|
||
"\e[97;42m" . substr($snippet, $selection_start, $selection_length) .
|
||
"\e[0m" . substr($snippet, $selection_length + $selection_start)
|
||
: $snippet
|
||
) . "\n" . "\n";
|
||
}
|
||
}
|
||
|
||
/**
|
||
* @param string $dir_name
|
||
*
|
||
* @return void
|
||
*/
|
||
public function checkDir($dir_name)
|
||
{
|
||
$this->file_reference_provider->loadReferenceCache();
|
||
|
||
$this->checkDirWithConfig($dir_name, $this->config, true);
|
||
|
||
$this->progress->startScanningFiles();
|
||
|
||
$this->config->initializePlugins($this);
|
||
|
||
$this->codebase->scanFiles($this->threads);
|
||
|
||
$this->config->visitStubFiles($this->codebase, $this->progress);
|
||
|
||
$this->progress->startAnalyzingFiles();
|
||
|
||
$this->codebase->analyzer->analyzeFiles(
|
||
$this,
|
||
$this->threads,
|
||
$this->codebase->alter_code,
|
||
$this->codebase->find_unused_code === 'always'
|
||
);
|
||
}
|
||
|
||
/**
|
||
* @param string $dir_name
|
||
* @param Config $config
|
||
* @param bool $allow_non_project_files
|
||
*
|
||
* @return void
|
||
*/
|
||
private function checkDirWithConfig($dir_name, Config $config, $allow_non_project_files = false)
|
||
{
|
||
$file_extensions = $config->getFileExtensions();
|
||
|
||
$file_paths = $this->file_provider->getFilesInDir($dir_name, $file_extensions);
|
||
|
||
$files_to_scan = [];
|
||
|
||
foreach ($file_paths as $file_path) {
|
||
if ($allow_non_project_files || $config->isInProjectDirs($file_path)) {
|
||
$files_to_scan[$file_path] = $file_path;
|
||
}
|
||
}
|
||
|
||
$this->codebase->addFilesToAnalyze($files_to_scan);
|
||
}
|
||
|
||
/**
|
||
* @param Config $config
|
||
*
|
||
* @return array<int, string>
|
||
*/
|
||
private function getAllFiles(Config $config)
|
||
{
|
||
$file_extensions = $config->getFileExtensions();
|
||
$file_paths = [];
|
||
|
||
foreach ($config->getProjectDirectories() as $dir_name) {
|
||
$file_paths = array_merge(
|
||
$file_paths,
|
||
$this->file_provider->getFilesInDir($dir_name, $file_extensions)
|
||
);
|
||
}
|
||
|
||
return $file_paths;
|
||
}
|
||
|
||
/**
|
||
* @param string $dir_name
|
||
*
|
||
* @return void
|
||
*/
|
||
public function addProjectFile(string $file_path)
|
||
{
|
||
$this->project_files[$file_path] = $file_path;
|
||
}
|
||
|
||
|
||
/**
|
||
* @param string $dir_name
|
||
* @param Config $config
|
||
*
|
||
* @return array<string>
|
||
*/
|
||
protected function getDiffFilesInDir($dir_name, Config $config)
|
||
{
|
||
$file_extensions = $config->getFileExtensions();
|
||
|
||
if (!$this->parser_cache_provider || !$this->project_cache_provider) {
|
||
throw new \UnexpectedValueException('Parser cache provider cannot be null here');
|
||
}
|
||
|
||
$diff_files = [];
|
||
|
||
$last_run = $this->project_cache_provider->getLastRun();
|
||
|
||
$file_paths = $this->file_provider->getFilesInDir($dir_name, $file_extensions);
|
||
|
||
foreach ($file_paths as $file_path) {
|
||
if ($config->isInProjectDirs($file_path)) {
|
||
if ($this->file_provider->getModifiedTime($file_path) > $last_run
|
||
&& $this->parser_cache_provider->loadExistingFileContentsFromCache($file_path)
|
||
!== $this->file_provider->getContents($file_path)
|
||
) {
|
||
$diff_files[] = $file_path;
|
||
}
|
||
}
|
||
}
|
||
|
||
return $diff_files;
|
||
}
|
||
|
||
/**
|
||
* @param Config $config
|
||
* @param array<string> $file_list
|
||
*
|
||
* @return void
|
||
*/
|
||
private function checkDiffFilesWithConfig(Config $config, array $file_list = [])
|
||
{
|
||
$files_to_scan = [];
|
||
|
||
foreach ($file_list as $file_path) {
|
||
if (!$this->file_provider->fileExists($file_path)) {
|
||
continue;
|
||
}
|
||
|
||
if (!$config->isInProjectDirs($file_path)) {
|
||
$this->progress->debug('skipping ' . $file_path . "\n");
|
||
|
||
continue;
|
||
}
|
||
|
||
$files_to_scan[$file_path] = $file_path;
|
||
}
|
||
|
||
$this->codebase->addFilesToAnalyze($files_to_scan);
|
||
}
|
||
|
||
/**
|
||
* @param string $file_path
|
||
*
|
||
* @return void
|
||
*/
|
||
public function checkFile($file_path)
|
||
{
|
||
$this->progress->debug('Checking ' . $file_path . "\n");
|
||
|
||
$this->config->hide_external_errors = $this->config->isInProjectDirs($file_path);
|
||
|
||
$this->codebase->addFilesToAnalyze([$file_path => $file_path]);
|
||
|
||
$this->file_reference_provider->loadReferenceCache();
|
||
|
||
$this->progress->startScanningFiles();
|
||
|
||
$this->config->initializePlugins($this);
|
||
|
||
$this->codebase->scanFiles($this->threads);
|
||
|
||
$this->config->visitStubFiles($this->codebase, $this->progress);
|
||
|
||
$this->progress->startAnalyzingFiles();
|
||
|
||
$this->codebase->analyzer->analyzeFiles(
|
||
$this,
|
||
$this->threads,
|
||
$this->codebase->alter_code,
|
||
$this->codebase->find_unused_code === 'always'
|
||
);
|
||
}
|
||
|
||
/**
|
||
* @param string[] $paths_to_check
|
||
* @return void
|
||
*/
|
||
public function checkPaths(array $paths_to_check)
|
||
{
|
||
$this->visitAutoloadFiles();
|
||
|
||
foreach ($paths_to_check as $path) {
|
||
$this->progress->debug('Checking ' . $path . "\n");
|
||
|
||
if (is_dir($path)) {
|
||
$this->checkDirWithConfig($path, $this->config, true);
|
||
} elseif (is_file($path)) {
|
||
$this->codebase->addFilesToAnalyze([$path => $path]);
|
||
$this->config->hide_external_errors = $this->config->isInProjectDirs($path);
|
||
}
|
||
}
|
||
|
||
$this->file_reference_provider->loadReferenceCache();
|
||
|
||
$this->progress->startScanningFiles();
|
||
|
||
$this->config->initializePlugins($this);
|
||
|
||
$this->codebase->scanFiles($this->threads);
|
||
|
||
$this->config->visitStubFiles($this->codebase, $this->progress);
|
||
|
||
$this->progress->startAnalyzingFiles();
|
||
|
||
$this->codebase->analyzer->analyzeFiles(
|
||
$this,
|
||
$this->threads,
|
||
$this->codebase->alter_code,
|
||
$this->codebase->find_unused_code === 'always'
|
||
);
|
||
|
||
if ($this->stdout_report_options
|
||
&& $this->stdout_report_options->format === Report::TYPE_CONSOLE
|
||
&& $this->codebase->collect_references
|
||
) {
|
||
fwrite(
|
||
STDERR,
|
||
PHP_EOL . 'To whom it may concern: Psalm cannot detect unused classes, methods and properties'
|
||
. PHP_EOL . 'when analyzing individual files and folders. Run on the full project to enable'
|
||
. PHP_EOL . 'complete unused code detection.' . PHP_EOL
|
||
);
|
||
}
|
||
}
|
||
|
||
/**
|
||
* @return Config
|
||
*/
|
||
public function getConfig()
|
||
{
|
||
return $this->config;
|
||
}
|
||
|
||
/**
|
||
* @param array<string> $diff_files
|
||
*
|
||
* @return array<string, string>
|
||
*/
|
||
public function getReferencedFilesFromDiff(array $diff_files, bool $include_referencing_files = true)
|
||
{
|
||
$all_inherited_files_to_check = $diff_files;
|
||
|
||
while ($diff_files) {
|
||
$diff_file = array_shift($diff_files);
|
||
|
||
$dependent_files = $this->file_reference_provider->getFilesInheritingFromFile($diff_file);
|
||
|
||
$new_dependent_files = array_diff($dependent_files, $all_inherited_files_to_check);
|
||
|
||
$all_inherited_files_to_check = array_merge($all_inherited_files_to_check, $new_dependent_files);
|
||
$diff_files = array_merge($diff_files, $new_dependent_files);
|
||
}
|
||
|
||
$all_files_to_check = $all_inherited_files_to_check;
|
||
|
||
if ($include_referencing_files) {
|
||
foreach ($all_inherited_files_to_check as $file_name) {
|
||
$dependent_files = $this->file_reference_provider->getFilesReferencingFile($file_name);
|
||
$all_files_to_check = array_merge($dependent_files, $all_files_to_check);
|
||
}
|
||
}
|
||
|
||
return array_combine($all_files_to_check, $all_files_to_check);
|
||
}
|
||
|
||
/**
|
||
* @param string $file_path
|
||
*
|
||
* @return bool
|
||
*/
|
||
public function fileExists($file_path)
|
||
{
|
||
return $this->file_provider->fileExists($file_path);
|
||
}
|
||
|
||
/**
|
||
* @param int $php_major_version
|
||
* @param int $php_minor_version
|
||
* @param bool $dry_run
|
||
* @param bool $safe_types
|
||
*
|
||
* @return void
|
||
*/
|
||
public function alterCodeAfterCompletion(
|
||
$dry_run = false,
|
||
$safe_types = false
|
||
) {
|
||
$this->codebase->alter_code = true;
|
||
$this->codebase->infer_types_from_usage = true;
|
||
$this->show_issues = false;
|
||
$this->dry_run = $dry_run;
|
||
$this->only_replace_php_types_with_non_docblock_types = $safe_types;
|
||
}
|
||
|
||
/**
|
||
* @param array<string, string> $to_refactor
|
||
*
|
||
* @return void
|
||
*/
|
||
public function refactorCodeAfterCompletion(array $to_refactor)
|
||
{
|
||
$this->to_refactor = $to_refactor;
|
||
$this->codebase->alter_code = true;
|
||
$this->show_issues = false;
|
||
}
|
||
|
||
/**
|
||
* @return void
|
||
*/
|
||
public function setPhpVersion(string $version)
|
||
{
|
||
if (!preg_match('/^(5\.[456]|7\.[01234]|8\.[0])(\..*)?$/', $version)) {
|
||
throw new \UnexpectedValueException('Expecting a version number in the format x.y');
|
||
}
|
||
|
||
list($php_major_version, $php_minor_version) = explode('.', $version);
|
||
|
||
$this->codebase->php_major_version = (int) $php_major_version;
|
||
$this->codebase->php_minor_version = (int) $php_minor_version;
|
||
}
|
||
|
||
/**
|
||
* @param array<string, bool> $issues
|
||
* @throws UnsupportedIssueToFixException
|
||
*
|
||
* @return void
|
||
*/
|
||
public function setIssuesToFix(array $issues)
|
||
{
|
||
$supported_issues_to_fix = static::getSupportedIssuesToFix();
|
||
|
||
$unsupportedIssues = array_diff(array_keys($issues), $supported_issues_to_fix);
|
||
|
||
if (! empty($unsupportedIssues)) {
|
||
throw new UnsupportedIssueToFixException(
|
||
'Psalm doesn\'t know how to fix issue(s): ' . implode(', ', $unsupportedIssues) . PHP_EOL
|
||
. 'Supported issues to fix are: ' . implode(',', $supported_issues_to_fix)
|
||
);
|
||
}
|
||
|
||
$this->issues_to_fix = $issues;
|
||
}
|
||
|
||
public function setAllIssuesToFix(): void
|
||
{
|
||
$keyed_issues = array_fill_keys(static::getSupportedIssuesToFix(), true);
|
||
|
||
$this->setIssuesToFix($keyed_issues);
|
||
}
|
||
|
||
/**
|
||
* @return array<string, bool>
|
||
*/
|
||
public function getIssuesToFix()
|
||
{
|
||
return $this->issues_to_fix;
|
||
}
|
||
|
||
/**
|
||
* @return Codebase
|
||
*/
|
||
public function getCodebase()
|
||
{
|
||
return $this->codebase;
|
||
}
|
||
|
||
/**
|
||
* @param string $fq_class_name
|
||
*
|
||
* @return FileAnalyzer
|
||
*/
|
||
public function getFileAnalyzerForClassLike($fq_class_name)
|
||
{
|
||
$fq_class_name_lc = strtolower($fq_class_name);
|
||
|
||
$file_path = $this->codebase->scanner->getClassLikeFilePath($fq_class_name_lc);
|
||
|
||
$file_analyzer = new FileAnalyzer(
|
||
$this,
|
||
$file_path,
|
||
$this->config->shortenFileName($file_path)
|
||
);
|
||
|
||
return $file_analyzer;
|
||
}
|
||
|
||
/**
|
||
* @param Context $this_context
|
||
*
|
||
* @return void
|
||
*/
|
||
public function getMethodMutations(
|
||
\Psalm\Internal\MethodIdentifier $original_method_id,
|
||
Context $this_context,
|
||
string $root_file_path,
|
||
string $root_file_name
|
||
) {
|
||
$fq_class_name = $original_method_id->fq_class_name;
|
||
|
||
$appearing_method_id = $this->codebase->methods->getAppearingMethodId($original_method_id);
|
||
|
||
if (!$appearing_method_id) {
|
||
// this can happen for some abstract classes implementing (but not fully) interfaces
|
||
return;
|
||
}
|
||
|
||
$appearing_fq_class_name = $appearing_method_id->fq_class_name;
|
||
|
||
$appearing_class_storage = $this->classlike_storage_provider->get($appearing_fq_class_name);
|
||
|
||
if (!$appearing_class_storage->user_defined) {
|
||
return;
|
||
}
|
||
|
||
$file_analyzer = $this->getFileAnalyzerForClassLike($fq_class_name);
|
||
|
||
$file_analyzer->setRootFilePath($root_file_path, $root_file_name);
|
||
|
||
if ($appearing_fq_class_name !== $fq_class_name) {
|
||
$file_analyzer = $this->getFileAnalyzerForClassLike($appearing_fq_class_name);
|
||
}
|
||
|
||
$stmts = $this->codebase->getStatementsForFile(
|
||
$file_analyzer->getFilePath()
|
||
);
|
||
|
||
$file_analyzer->populateCheckers($stmts);
|
||
|
||
if (!$this_context->self) {
|
||
$this_context->self = $fq_class_name;
|
||
$this_context->vars_in_scope['$this'] = Type::parseString($fq_class_name);
|
||
}
|
||
|
||
$file_analyzer->getMethodMutations($appearing_method_id, $this_context, true);
|
||
|
||
$file_analyzer->class_analyzers_to_analyze = [];
|
||
$file_analyzer->interface_analyzers_to_analyze = [];
|
||
$file_analyzer->clearSourceBeforeDestruction();
|
||
}
|
||
|
||
public function getFunctionLikeAnalyzer(
|
||
\Psalm\Internal\MethodIdentifier $method_id,
|
||
string $file_path
|
||
) : ?FunctionLikeAnalyzer {
|
||
$file_analyzer = new FileAnalyzer(
|
||
$this,
|
||
$file_path,
|
||
$this->config->shortenFileName($file_path)
|
||
);
|
||
|
||
$stmts = $this->codebase->getStatementsForFile(
|
||
$file_analyzer->getFilePath()
|
||
);
|
||
|
||
$file_analyzer->populateCheckers($stmts);
|
||
|
||
$function_analyzer = $file_analyzer->getFunctionLikeAnalyzer($method_id);
|
||
|
||
$file_analyzer->class_analyzers_to_analyze = [];
|
||
$file_analyzer->interface_analyzers_to_analyze = [];
|
||
|
||
return $function_analyzer;
|
||
}
|
||
|
||
/**
|
||
* Adapted from https://gist.github.com/divinity76/01ef9ca99c111565a72d3a8a6e42f7fb
|
||
* returns number of cpu cores
|
||
* Copyleft 2018, license: WTFPL
|
||
* @throws \RuntimeException
|
||
* @throws \LogicException
|
||
* @return int
|
||
* @psalm-suppress ForbiddenCode
|
||
*/
|
||
public static function getCpuCount(): int
|
||
{
|
||
if (defined('PHP_WINDOWS_VERSION_MAJOR')) {
|
||
/*
|
||
$str = trim((string) shell_exec('wmic cpu get NumberOfCores 2>&1'));
|
||
if (!preg_match('/(\d+)/', $str, $matches)) {
|
||
throw new \RuntimeException('wmic failed to get number of cpu cores on windows!');
|
||
}
|
||
return ((int) $matches [1]);
|
||
*/
|
||
return 1;
|
||
}
|
||
|
||
if (\ini_get('pcre.jit') === '1'
|
||
&& \PHP_OS === 'Darwin'
|
||
&& \version_compare(\PHP_VERSION, '7.3.0') >= 0
|
||
&& \version_compare(\PHP_VERSION, '7.4.0') < 0
|
||
) {
|
||
return 1;
|
||
}
|
||
|
||
if (!extension_loaded('pcntl')) {
|
||
return 1;
|
||
}
|
||
|
||
$has_nproc = trim((string) @shell_exec('command -v nproc'));
|
||
if ($has_nproc) {
|
||
$ret = @shell_exec('nproc');
|
||
if (is_string($ret)) {
|
||
$ret = trim($ret);
|
||
$tmp = filter_var($ret, FILTER_VALIDATE_INT);
|
||
if (is_int($tmp)) {
|
||
return $tmp;
|
||
}
|
||
}
|
||
}
|
||
|
||
$ret = @shell_exec('sysctl -n hw.ncpu');
|
||
if (is_string($ret)) {
|
||
$ret = trim($ret);
|
||
$tmp = filter_var($ret, FILTER_VALIDATE_INT);
|
||
if (is_int($tmp)) {
|
||
return $tmp;
|
||
}
|
||
}
|
||
|
||
if (is_readable('/proc/cpuinfo')) {
|
||
$cpuinfo = file_get_contents('/proc/cpuinfo');
|
||
$count = substr_count($cpuinfo, 'processor');
|
||
if ($count > 0) {
|
||
return $count;
|
||
}
|
||
}
|
||
|
||
throw new \LogicException('failed to detect number of CPUs!');
|
||
}
|
||
|
||
/**
|
||
* @return array<string>
|
||
*/
|
||
public static function getSupportedIssuesToFix(): array
|
||
{
|
||
return array_map(
|
||
/** @param class-string $issue_class */
|
||
function (string $issue_class): string {
|
||
$parts = explode('\\', $issue_class);
|
||
return end($parts);
|
||
},
|
||
self::SUPPORTED_ISSUES_TO_FIX
|
||
);
|
||
}
|
||
}
|