2016-01-08 00:28:27 +01:00
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<?php
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2016-08-13 20:20:46 +02:00
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namespace Psalm\Checker;
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2016-01-08 00:28:27 +01:00
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2016-11-02 07:29:00 +01:00
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use PhpParser;
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2016-08-13 20:20:46 +02:00
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use Psalm\Context;
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2018-01-06 01:49:27 +01:00
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use Psalm\FileManipulation\FileManipulationBuffer;
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2017-05-19 06:48:26 +02:00
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use Psalm\IssueBuffer;
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2016-11-02 07:29:00 +01:00
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use Psalm\StatementsSource;
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2017-01-02 21:31:18 +01:00
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use Psalm\Type;
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2016-08-13 20:20:46 +02:00
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2016-11-21 03:49:06 +01:00
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class FileChecker extends SourceChecker implements StatementsSource
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2016-01-08 00:28:27 +01:00
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{
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2017-01-07 20:35:07 +01:00
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use CanAlias;
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/**
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* @var string
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*/
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protected $file_name;
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2016-10-14 06:53:43 +02:00
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/**
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* @var string
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*/
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2016-12-04 01:11:30 +01:00
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protected $file_path;
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2016-10-14 06:53:43 +02:00
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2017-01-07 20:35:07 +01:00
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/**
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2018-05-30 22:19:18 +02:00
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* @var string|null
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2018-05-23 05:38:27 +02:00
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*/
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2018-05-30 22:19:18 +02:00
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protected $root_file_path;
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2018-05-23 05:38:27 +02:00
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/**
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2018-05-30 22:19:18 +02:00
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* @var string|null
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2017-01-07 20:35:07 +01:00
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*/
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2018-05-30 22:19:18 +02:00
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protected $root_file_name;
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2017-01-07 20:35:07 +01:00
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/**
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2018-05-23 05:38:27 +02:00
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* @var array<string, bool>
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2017-01-07 20:35:07 +01:00
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*/
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2018-05-30 18:23:53 +02:00
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protected $required_file_paths = [];
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2017-01-07 20:35:07 +01:00
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2018-05-30 22:19:18 +02:00
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/**
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* @var array<string, bool>
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*/
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protected $parent_file_paths = [];
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2017-01-07 20:35:07 +01:00
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/**
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2017-10-27 00:19:19 +02:00
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* @var array<int, string>
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2017-01-07 20:35:07 +01:00
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*/
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protected $suppressed_issues = [];
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2016-11-13 00:51:48 +01:00
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/**
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* @var array<string, array<string, string>>
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2016-10-31 20:42:20 +01:00
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*/
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2016-08-14 00:54:49 +02:00
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protected $namespace_aliased_classes = [];
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2016-02-18 21:05:13 +01:00
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2016-11-13 00:51:48 +01:00
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/**
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* @var array<string, array<string, string>>
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*/
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protected $namespace_aliased_classes_flipped = [];
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2017-01-02 21:31:18 +01:00
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/**
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2018-01-14 19:08:24 +01:00
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* @var array<string, InterfaceChecker>
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2017-01-02 21:31:18 +01:00
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*/
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2017-07-25 22:11:02 +02:00
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protected $interface_checkers_to_analyze = [];
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2017-01-02 21:31:18 +01:00
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/**
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2018-01-14 19:08:24 +01:00
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* @var array<string, ClassChecker>
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2017-01-02 21:31:18 +01:00
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*/
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2017-02-02 00:11:00 +01:00
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protected $class_checkers_to_analyze = [];
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2017-01-02 21:31:18 +01:00
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/**
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2018-01-28 22:52:57 +01:00
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* @var null|Context
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2017-01-02 21:31:18 +01:00
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*/
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2017-01-12 06:54:41 +01:00
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public $context;
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2017-01-02 21:31:18 +01:00
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/**
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* @var ProjectChecker
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*/
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public $project_checker;
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2016-12-31 00:08:07 +01:00
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/**
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2018-02-18 23:55:11 +01:00
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* @param ProjectChecker $project_checker
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2018-01-21 18:44:46 +01:00
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* @param string $file_path
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* @param string $file_name
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2016-10-14 06:53:43 +02:00
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*/
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2018-01-21 18:44:46 +01:00
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public function __construct(ProjectChecker $project_checker, $file_path, $file_name)
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{
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2016-12-31 00:08:07 +01:00
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$this->file_path = $file_path;
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2018-01-21 18:44:46 +01:00
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$this->file_name = $file_name;
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2017-01-02 21:31:18 +01:00
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$this->project_checker = $project_checker;
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2017-07-25 22:11:02 +02:00
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}
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2016-12-28 18:59:51 +01:00
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2017-07-25 22:11:02 +02:00
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/**
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* @param bool $preserve_checkers
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*
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* @return void
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*/
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2018-05-30 22:19:18 +02:00
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public function analyze(Context $file_context = null, $preserve_checkers = false, Context $global_context = null)
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2017-07-25 22:11:02 +02:00
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{
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2018-02-21 19:54:11 +01:00
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$codebase = $this->project_checker->codebase;
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$file_storage = $codebase->file_storage_provider->get($this->file_path);
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if (!$file_storage->deep_scan) {
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throw new \UnexpectedValueException('File ' . $this->file_path . ' has not been properly scanned');
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}
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2017-07-25 22:11:02 +02:00
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if ($file_context) {
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$this->context = $file_context;
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}
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2017-02-01 01:21:33 +01:00
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2017-07-25 22:11:02 +02:00
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if (!$this->context) {
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$this->context = new Context();
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2018-01-21 19:38:51 +01:00
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$this->context->collect_references = $codebase->collect_references;
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2017-07-25 22:11:02 +02:00
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}
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2016-11-02 07:29:00 +01:00
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2017-12-06 06:56:00 +01:00
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$this->context->is_global = true;
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2018-01-21 19:38:51 +01:00
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$stmts = $codebase->getStatementsForFile($this->file_path);
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2016-11-02 07:29:00 +01:00
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2017-07-25 22:11:02 +02:00
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$statements_checker = new StatementsChecker($this);
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2017-01-02 21:31:18 +01:00
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2017-07-25 22:11:02 +02:00
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$leftover_stmts = $this->populateCheckers($stmts);
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2016-07-24 23:06:54 +02:00
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2017-01-02 21:31:18 +01:00
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// if there are any leftover statements, evaluate them,
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// in turn causing the classes/interfaces be evaluated
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if ($leftover_stmts) {
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2018-06-17 03:54:44 +02:00
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$statements_checker->analyze($leftover_stmts, $this->context, $global_context, true);
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2016-12-28 18:59:51 +01:00
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}
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2017-01-02 21:31:18 +01:00
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// check any leftover interfaces not already evaluated
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2017-07-25 22:11:02 +02:00
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foreach ($this->interface_checkers_to_analyze as $interface_checker) {
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$interface_checker->analyze();
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2016-12-28 18:59:51 +01:00
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}
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2017-01-02 21:31:18 +01:00
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// check any leftover classes not already evaluated
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2017-02-02 00:11:00 +01:00
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foreach ($this->class_checkers_to_analyze as $class_checker) {
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2017-09-16 18:45:11 +02:00
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$class_checker->analyze(null, $this->context);
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2016-08-05 21:11:20 +02:00
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}
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2017-01-12 03:37:53 +01:00
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if (!$preserve_checkers) {
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2017-02-02 00:11:00 +01:00
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$this->class_checkers_to_analyze = [];
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2017-01-12 03:37:53 +01:00
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}
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2016-01-08 00:28:27 +01:00
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}
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2017-07-25 22:11:02 +02:00
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/**
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2018-04-17 18:16:25 +02:00
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* @param array<int, PhpParser\Node\Stmt> $stmts
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2017-07-25 22:11:02 +02:00
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*
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2018-04-17 18:16:25 +02:00
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* @return array<int, PhpParser\Node\Stmt>
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2017-07-25 22:11:02 +02:00
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*/
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public function populateCheckers(array $stmts)
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{
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$leftover_stmts = [];
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foreach ($stmts as $stmt) {
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2017-10-20 01:19:29 +02:00
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if ($stmt instanceof PhpParser\Node\Stmt\ClassLike) {
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$this->populateClassLikeCheckers($stmt);
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2017-07-25 22:11:02 +02:00
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} elseif ($stmt instanceof PhpParser\Node\Stmt\Namespace_) {
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$namespace_name = $stmt->name ? implode('\\', $stmt->name->parts) : '';
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$namespace_checker = new NamespaceChecker($stmt, $this);
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$namespace_checker->collectAnalyzableInformation();
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$this->namespace_aliased_classes[$namespace_name] = $namespace_checker->getAliases()->uses;
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$this->namespace_aliased_classes_flipped[$namespace_name] =
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$namespace_checker->getAliasedClassesFlipped();
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} elseif ($stmt instanceof PhpParser\Node\Stmt\Use_) {
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$this->visitUse($stmt);
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} elseif ($stmt instanceof PhpParser\Node\Stmt\GroupUse) {
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$this->visitGroupUse($stmt);
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2018-02-25 16:43:54 +01:00
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} else {
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2017-10-20 01:19:29 +02:00
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if ($stmt instanceof PhpParser\Node\Stmt\If_) {
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foreach ($stmt->stmts as $if_stmt) {
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if ($if_stmt instanceof PhpParser\Node\Stmt\ClassLike) {
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$this->populateClassLikeCheckers($if_stmt);
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}
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}
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}
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2017-07-25 22:11:02 +02:00
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$leftover_stmts[] = $stmt;
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}
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}
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return $leftover_stmts;
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}
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2017-10-20 01:19:29 +02:00
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/**
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* @return void
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*/
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private function populateClassLikeCheckers(PhpParser\Node\Stmt\ClassLike $stmt)
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{
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if (!$stmt->name) {
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return;
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}
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if ($stmt instanceof PhpParser\Node\Stmt\Class_) {
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2018-04-17 18:16:25 +02:00
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$class_checker = new ClassChecker($stmt, $this, $stmt->name->name);
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2017-10-20 01:19:29 +02:00
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$fq_class_name = $class_checker->getFQCLN();
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$this->class_checkers_to_analyze[strtolower($fq_class_name)] = $class_checker;
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} elseif ($stmt instanceof PhpParser\Node\Stmt\Interface_) {
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2018-04-17 18:16:25 +02:00
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$class_checker = new InterfaceChecker($stmt, $this, $stmt->name->name);
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2017-10-20 01:19:29 +02:00
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$fq_class_name = $class_checker->getFQCLN();
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$this->interface_checkers_to_analyze[$fq_class_name] = $class_checker;
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}
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}
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2017-02-02 00:11:00 +01:00
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/**
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* @param string $fq_class_name
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* @param ClassChecker $class_checker
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2017-05-27 02:16:18 +02:00
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*
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2017-02-02 00:11:00 +01:00
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* @return void
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*/
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public function addNamespacedClassChecker($fq_class_name, ClassChecker $class_checker)
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{
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2017-07-25 22:11:02 +02:00
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$this->class_checkers_to_analyze[strtolower($fq_class_name)] = $class_checker;
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2017-02-02 00:11:00 +01:00
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}
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/**
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* @param string $fq_class_name
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* @param InterfaceChecker $interface_checker
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2017-05-27 02:16:18 +02:00
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*
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2017-02-02 00:11:00 +01:00
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* @return void
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*/
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public function addNamespacedInterfaceChecker($fq_class_name, InterfaceChecker $interface_checker)
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{
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2017-07-25 22:11:02 +02:00
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$this->interface_checkers_to_analyze[strtolower($fq_class_name)] = $interface_checker;
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2017-02-02 00:11:00 +01:00
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}
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2017-01-12 03:37:53 +01:00
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/**
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2017-01-12 06:54:41 +01:00
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* @param string $method_id
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2017-01-12 03:37:53 +01:00
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* @param Context $this_context
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2017-05-27 02:16:18 +02:00
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*
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2017-01-12 03:37:53 +01:00
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* @return void
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*/
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2017-07-25 22:11:02 +02:00
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public function getMethodMutations($method_id, Context $this_context)
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2017-01-12 03:37:53 +01:00
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{
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2017-01-12 06:54:41 +01:00
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list($fq_class_name, $method_name) = explode('::', $method_id);
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2017-06-30 07:24:45 +02:00
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2017-07-25 22:11:02 +02:00
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if (isset($this->class_checkers_to_analyze[strtolower($fq_class_name)])) {
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$class_checker_to_examine = $this->class_checkers_to_analyze[strtolower($fq_class_name)];
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} else {
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2017-06-30 07:24:45 +02:00
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$this->project_checker->getMethodMutations($method_id, $this_context);
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return;
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}
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$call_context = new Context($this_context->self);
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2017-01-12 03:37:53 +01:00
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$call_context->collect_mutations = true;
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2018-01-24 19:38:53 +01:00
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$call_context->collect_initializations = $this_context->collect_initializations;
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$call_context->initialized_methods = $this_context->initialized_methods;
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2017-06-30 07:24:45 +02:00
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$call_context->include_location = $this_context->include_location;
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2017-01-12 03:37:53 +01:00
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2018-01-28 18:01:51 +01:00
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foreach ($this_context->vars_possibly_in_scope as $var => $_) {
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2017-01-12 03:37:53 +01:00
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if (strpos($var, '$this->') === 0) {
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$call_context->vars_possibly_in_scope[$var] = true;
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}
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}
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foreach ($this_context->vars_in_scope as $var => $type) {
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if (strpos($var, '$this->') === 0) {
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$call_context->vars_in_scope[$var] = $type;
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}
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}
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$call_context->vars_in_scope['$this'] = $this_context->vars_in_scope['$this'];
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2017-06-30 07:24:45 +02:00
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$class_checker_to_examine->getMethodMutations($method_name, $call_context);
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2017-01-12 06:54:41 +01:00
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2017-01-19 05:19:36 +01:00
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foreach ($call_context->vars_possibly_in_scope as $var => $_) {
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2017-01-12 03:37:53 +01:00
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$this_context->vars_possibly_in_scope[$var] = true;
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}
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foreach ($call_context->vars_in_scope as $var => $type) {
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$this_context->vars_in_scope[$var] = $type;
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}
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}
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2016-04-27 00:42:48 +02:00
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/**
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2018-01-28 23:07:09 +01:00
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* @return null|string
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2016-04-27 00:42:48 +02:00
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*/
|
2016-01-20 00:27:06 +01:00
|
|
|
public function getNamespace()
|
|
|
|
{
|
|
|
|
return null;
|
|
|
|
}
|
|
|
|
|
2016-11-13 00:51:48 +01:00
|
|
|
/**
|
|
|
|
* @param string|null $namespace_name
|
2017-05-27 02:16:18 +02:00
|
|
|
*
|
2016-11-13 00:51:48 +01:00
|
|
|
* @return array<string, string>
|
|
|
|
*/
|
|
|
|
public function getAliasedClassesFlipped($namespace_name = null)
|
|
|
|
{
|
|
|
|
if ($namespace_name && isset($this->namespace_aliased_classes_flipped[$namespace_name])) {
|
|
|
|
return $this->namespace_aliased_classes_flipped[$namespace_name];
|
|
|
|
}
|
|
|
|
|
|
|
|
return $this->aliased_classes_flipped;
|
|
|
|
}
|
|
|
|
|
2016-11-02 07:29:00 +01:00
|
|
|
/**
|
|
|
|
* @return void
|
|
|
|
*/
|
2016-08-10 07:09:47 +02:00
|
|
|
public static function clearCache()
|
2016-03-23 18:05:25 +01:00
|
|
|
{
|
2016-12-08 21:57:18 +01:00
|
|
|
IssueBuffer::clearCache();
|
2018-01-06 01:49:27 +01:00
|
|
|
FileManipulationBuffer::clearCache();
|
2017-01-27 07:23:12 +01:00
|
|
|
FunctionLikeChecker::clearCache();
|
2018-01-21 18:44:46 +01:00
|
|
|
\Psalm\Provider\ClassLikeStorageProvider::deleteAll();
|
|
|
|
\Psalm\Provider\FileStorageProvider::deleteAll();
|
2016-05-10 20:00:44 +02:00
|
|
|
}
|
2016-11-06 05:59:29 +01:00
|
|
|
|
2017-01-07 20:35:07 +01:00
|
|
|
/**
|
|
|
|
* @return string
|
|
|
|
*/
|
|
|
|
public function getFileName()
|
|
|
|
{
|
|
|
|
return $this->file_name;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* @return string
|
|
|
|
*/
|
|
|
|
public function getFilePath()
|
|
|
|
{
|
|
|
|
return $this->file_path;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* @return string
|
|
|
|
*/
|
2018-05-30 22:19:18 +02:00
|
|
|
public function getRootFileName()
|
2017-01-07 20:35:07 +01:00
|
|
|
{
|
2018-05-30 22:19:18 +02:00
|
|
|
return $this->root_file_name ?: $this->file_name;
|
2017-01-07 20:35:07 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* @return string
|
|
|
|
*/
|
2018-05-30 22:19:18 +02:00
|
|
|
public function getRootFilePath()
|
2017-01-07 20:35:07 +01:00
|
|
|
{
|
2018-05-30 22:19:18 +02:00
|
|
|
return $this->root_file_path ?: $this->file_path;
|
2018-05-23 05:38:27 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* @param string $file_path
|
|
|
|
* @param string $file_name
|
|
|
|
*
|
|
|
|
* @return void
|
|
|
|
*/
|
2018-05-30 22:19:18 +02:00
|
|
|
public function setRootFilePath($file_path, $file_name)
|
2018-05-23 05:38:27 +02:00
|
|
|
{
|
2018-05-30 22:19:18 +02:00
|
|
|
$this->root_file_name = $file_name;
|
|
|
|
$this->root_file_path = $file_path;
|
2018-05-23 05:38:27 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* @param string $file_path
|
|
|
|
*
|
|
|
|
* @return void
|
|
|
|
*/
|
2018-05-30 22:19:18 +02:00
|
|
|
public function addRequiredFilePath($file_path)
|
2018-05-23 05:38:27 +02:00
|
|
|
{
|
2018-05-30 22:19:18 +02:00
|
|
|
$this->required_file_paths[$file_path] = true;
|
|
|
|
}
|
2018-05-23 05:38:27 +02:00
|
|
|
|
2018-05-30 22:19:18 +02:00
|
|
|
/**
|
|
|
|
* @param string $file_path
|
|
|
|
*
|
|
|
|
* @return void
|
|
|
|
*/
|
|
|
|
public function addParentFilePath($file_path)
|
|
|
|
{
|
|
|
|
$this->parent_file_paths[$file_path] = true;
|
2018-05-23 05:38:27 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* @param string $file_path
|
|
|
|
*
|
|
|
|
* @return bool
|
|
|
|
*/
|
2018-05-30 22:19:18 +02:00
|
|
|
public function hasParentFilePath($file_path)
|
2018-05-23 05:38:27 +02:00
|
|
|
{
|
2018-05-30 22:19:18 +02:00
|
|
|
return $this->file_path === $file_path || isset($this->parent_file_paths[$file_path]);
|
2018-05-23 05:38:27 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* @param string $file_path
|
|
|
|
*
|
|
|
|
* @return bool
|
|
|
|
*/
|
2018-05-30 22:19:18 +02:00
|
|
|
public function hasAlreadyRequiredFilePath($file_path)
|
2018-05-23 05:38:27 +02:00
|
|
|
{
|
2018-05-30 18:23:53 +02:00
|
|
|
return isset($this->required_file_paths[$file_path]);
|
2018-05-23 05:38:27 +02:00
|
|
|
}
|
|
|
|
|
2018-05-30 22:19:18 +02:00
|
|
|
/**
|
|
|
|
* @return array<int, string>
|
|
|
|
*/
|
|
|
|
public function getRequiredFilePaths()
|
|
|
|
{
|
|
|
|
return array_keys($this->required_file_paths);
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* @return array<int, string>
|
|
|
|
*/
|
|
|
|
public function getParentFilePaths()
|
|
|
|
{
|
|
|
|
return array_keys($this->parent_file_paths);
|
|
|
|
}
|
|
|
|
|
2018-05-23 05:38:27 +02:00
|
|
|
/**
|
|
|
|
* @return int
|
|
|
|
*/
|
2018-05-30 22:19:18 +02:00
|
|
|
public function getRequireNesting()
|
2018-05-23 05:38:27 +02:00
|
|
|
{
|
2018-05-30 22:19:18 +02:00
|
|
|
return count($this->parent_file_paths);
|
2017-01-07 20:35:07 +01:00
|
|
|
}
|
|
|
|
|
2017-11-26 22:03:17 +01:00
|
|
|
/**
|
|
|
|
* @return array<int, string>
|
|
|
|
*/
|
2017-01-07 20:35:07 +01:00
|
|
|
public function getSuppressedIssues()
|
|
|
|
{
|
|
|
|
return $this->suppressed_issues;
|
|
|
|
}
|
|
|
|
|
2017-10-27 00:19:19 +02:00
|
|
|
/**
|
|
|
|
* @param array<int, string> $new_issues
|
|
|
|
*
|
|
|
|
* @return void
|
|
|
|
*/
|
|
|
|
public function addSuppressedIssues(array $new_issues)
|
|
|
|
{
|
|
|
|
$this->suppressed_issues = array_merge($new_issues, $this->suppressed_issues);
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* @param array<int, string> $new_issues
|
|
|
|
*
|
|
|
|
* @return void
|
|
|
|
*/
|
|
|
|
public function removeSuppressedIssues(array $new_issues)
|
|
|
|
{
|
|
|
|
$this->suppressed_issues = array_diff($this->suppressed_issues, $new_issues);
|
|
|
|
}
|
|
|
|
|
2017-11-26 22:03:17 +01:00
|
|
|
/**
|
2018-01-28 23:07:09 +01:00
|
|
|
* @return null|string
|
2017-11-26 22:03:17 +01:00
|
|
|
*/
|
2017-01-07 20:35:07 +01:00
|
|
|
public function getFQCLN()
|
|
|
|
{
|
|
|
|
return null;
|
|
|
|
}
|
|
|
|
|
2017-11-26 22:03:17 +01:00
|
|
|
/**
|
2018-01-28 23:07:09 +01:00
|
|
|
* @return null|string
|
2017-11-26 22:03:17 +01:00
|
|
|
*/
|
2017-01-09 06:26:40 +01:00
|
|
|
public function getClassName()
|
|
|
|
{
|
|
|
|
return null;
|
|
|
|
}
|
|
|
|
|
2017-11-26 22:03:17 +01:00
|
|
|
/**
|
|
|
|
* @return bool
|
|
|
|
*/
|
2017-01-07 20:35:07 +01:00
|
|
|
public function isStatic()
|
|
|
|
{
|
|
|
|
return false;
|
|
|
|
}
|
2017-03-20 04:30:20 +01:00
|
|
|
|
2017-11-26 22:03:17 +01:00
|
|
|
/**
|
|
|
|
* @return FileChecker
|
|
|
|
*/
|
2017-03-20 04:30:20 +01:00
|
|
|
public function getFileChecker()
|
|
|
|
{
|
|
|
|
return $this;
|
|
|
|
}
|
2016-01-08 00:28:27 +01:00
|
|
|
}
|