2021-01-06 15:05:53 +01:00
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<?php
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namespace Psalm\Internal;
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use Psalm\Plugin\Hook;
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use Psalm\Plugin\EventHandler;
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use Psalm\Plugin\EventHandler\Event;
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use Psalm\Type\Atomic\TLiteralString;
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2021-01-09 01:51:26 +01:00
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use function count;
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2021-01-06 15:05:53 +01:00
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use function is_subclass_of;
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class EventDispatcher
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{
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/**
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* Static methods to be called after method checks have completed
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*
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* @var list<class-string<EventHandler\AfterMethodCallAnalysisInterface>>
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*/
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2021-01-09 01:51:26 +01:00
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private $after_method_checks = [];
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2021-01-06 15:05:53 +01:00
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/** @var list<class-string<Hook\AfterMethodCallAnalysisInterface>> */
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2021-01-09 01:51:26 +01:00
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private $legacy_after_method_checks = [];
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2021-01-06 15:05:53 +01:00
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/**
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* Static methods to be called after project function checks have completed
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*
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* Called after function calls to functions defined in the project.
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*
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* Allows influencing the return type and adding of modifications.
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*
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* @var list<class-string<EventHandler\AfterFunctionCallAnalysisInterface>>
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*/
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public $after_function_checks = [];
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/** @var list<class-string<Hook\AfterFunctionCallAnalysisInterface>> */
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public $legacy_after_function_checks = [];
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/**
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* Static methods to be called after every function call
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*
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* Called after each function call, including php internal functions.
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*
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* Cannot change the call or influence its return type
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*
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* @var list<class-string<EventHandler\AfterEveryFunctionCallAnalysisInterface>>
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*/
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public $after_every_function_checks = [];
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/** @var list<class-string<Hook\AfterEveryFunctionCallAnalysisInterface>> */
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public $legacy_after_every_function_checks = [];
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/**
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* Static methods to be called after expression checks have completed
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*
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* @var list<class-string<EventHandler\AfterExpressionAnalysisInterface>>
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*/
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public $after_expression_checks = [];
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/** @var list<class-string<Hook\AfterExpressionAnalysisInterface>> */
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public $legacy_after_expression_checks = [];
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/**
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* Static methods to be called after statement checks have completed
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*
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* @var list<class-string<EventHandler\AfterStatementAnalysisInterface>>
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*/
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public $after_statement_checks = [];
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/** @var list<class-string<Hook\AfterStatementAnalysisInterface>> */
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public $legacy_after_statement_checks = [];
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/**
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* Static methods to be called after method checks have completed
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*
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* @var list<class-string<EventHandler\StringInterpreterInterface>>
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*/
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public $string_interpreters = [];
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/** @var list<class-string<Hook\StringInterpreterInterface>> */
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public $legacy_string_interpreters = [];
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/**
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* Static methods to be called after classlike exists checks have completed
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*
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* @var list<class-string<EventHandler\AfterClassLikeExistenceCheckInterface>>
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*/
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public $after_classlike_exists_checks = [];
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/** @var list<class-string<Hook\AfterClassLikeExistenceCheckInterface>> */
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public $legacy_after_classlike_exists_checks = [];
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/**
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* Static methods to be called after classlike checks have completed
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*
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* @var list<class-string<EventHandler\AfterClassLikeAnalysisInterface>>
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*/
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public $after_classlike_checks = [];
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/** @var list<class-string<Hook\AfterClassLikeAnalysisInterface>> */
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public $legacy_after_classlike_checks = [];
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/**
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* Static methods to be called after classlikes have been scanned
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*
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* @var list<class-string<EventHandler\AfterClassLikeVisitInterface>>
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*/
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2021-01-09 01:51:26 +01:00
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private $after_visit_classlikes = [];
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2021-01-06 15:05:53 +01:00
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/** @var list<class-string<Hook\AfterClassLikeVisitInterface>> */
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2021-01-09 01:51:26 +01:00
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private $legacy_after_visit_classlikes = [];
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2021-01-06 15:05:53 +01:00
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/**
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* Static methods to be called after codebase has been populated
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*
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* @var list<class-string<EventHandler\AfterCodebasePopulatedInterface>>
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*/
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public $after_codebase_populated = [];
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/** @var list<class-string<Hook\AfterCodebasePopulatedInterface>> */
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public $legacy_after_codebase_populated = [];
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/**
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* Static methods to be called after codebase has been populated
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*
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* @var list<class-string<EventHandler\AfterAnalysisInterface>>
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*/
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public $after_analysis = [];
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/** @var list<class-string<Hook\AfterAnalysisInterface>> */
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public $legacy_after_analysis = [];
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/**
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* Static methods to be called after a file has been analyzed
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*
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* @var list<class-string<EventHandler\AfterFileAnalysisInterface>>
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*/
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public $after_file_checks = [];
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/** @var list<class-string<Hook\AfterFileAnalysisInterface>> */
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public $legacy_after_file_checks = [];
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/**
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* Static methods to be called before a file is analyzed
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*
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* @var list<class-string<EventHandler\BeforeFileAnalysisInterface>>
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*/
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public $before_file_checks = [];
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/** @var list<class-string<Hook\BeforeFileAnalysisInterface>> */
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public $legacy_before_file_checks = [];
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/**
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* Static methods to be called after functionlike checks have completed
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*
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* @var list<class-string<EventHandler\AfterFunctionLikeAnalysisInterface>>
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*/
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public $after_functionlike_checks = [];
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/** @var list<class-string<Hook\AfterFunctionLikeAnalysisInterface>> */
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public $legacy_after_functionlike_checks = [];
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2021-03-20 03:41:41 +01:00
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/**
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* Static methods to be called to see if taints should be added
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*
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* @var list<class-string<EventHandler\AddTaintsInterface>>
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*/
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public $add_taints_checks = [];
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/**
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* Static methods to be called to see if taints should be removed
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*
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* @var list<class-string<EventHandler\RemoveTaintsInterface>>
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*/
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public $remove_taints_checks = [];
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2021-01-06 15:05:53 +01:00
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/**
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* @param class-string $class
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*/
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public function registerClass(string $class): void
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{
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if (is_subclass_of($class, Hook\AfterMethodCallAnalysisInterface::class)) {
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$this->legacy_after_method_checks[] = $class;
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} elseif (is_subclass_of($class, EventHandler\AfterMethodCallAnalysisInterface::class)) {
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$this->after_method_checks[] = $class;
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}
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if (is_subclass_of($class, Hook\AfterFunctionCallAnalysisInterface::class)) {
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$this->legacy_after_function_checks[] = $class;
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} elseif (is_subclass_of($class, EventHandler\AfterFunctionCallAnalysisInterface::class)) {
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$this->after_function_checks[] = $class;
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}
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if (is_subclass_of($class, Hook\AfterEveryFunctionCallAnalysisInterface::class)) {
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$this->legacy_after_every_function_checks[] = $class;
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} elseif (is_subclass_of($class, EventHandler\AfterEveryFunctionCallAnalysisInterface::class)) {
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$this->after_every_function_checks[] = $class;
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}
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if (is_subclass_of($class, Hook\AfterExpressionAnalysisInterface::class)) {
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$this->legacy_after_expression_checks[] = $class;
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} elseif (is_subclass_of($class, EventHandler\AfterExpressionAnalysisInterface::class)) {
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$this->after_expression_checks[] = $class;
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}
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if (is_subclass_of($class, Hook\AfterStatementAnalysisInterface::class)) {
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$this->legacy_after_statement_checks[] = $class;
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} elseif (is_subclass_of($class, EventHandler\AfterStatementAnalysisInterface::class)) {
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$this->after_statement_checks[] = $class;
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}
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if (is_subclass_of($class, Hook\StringInterpreterInterface::class)) {
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$this->legacy_string_interpreters[] = $class;
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} elseif (is_subclass_of($class, EventHandler\StringInterpreterInterface::class)) {
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$this->string_interpreters[] = $class;
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}
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if (is_subclass_of($class, Hook\AfterClassLikeExistenceCheckInterface::class)) {
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$this->legacy_after_classlike_exists_checks[] = $class;
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} elseif (is_subclass_of($class, EventHandler\AfterClassLikeExistenceCheckInterface::class)) {
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$this->after_classlike_exists_checks[] = $class;
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}
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if (is_subclass_of($class, Hook\AfterClassLikeAnalysisInterface::class)) {
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$this->legacy_after_classlike_checks[] = $class;
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} elseif (is_subclass_of($class, EventHandler\AfterClassLikeAnalysisInterface::class)) {
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$this->after_classlike_checks[] = $class;
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}
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if (is_subclass_of($class, Hook\AfterClassLikeVisitInterface::class)) {
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$this->legacy_after_visit_classlikes[] = $class;
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} elseif (is_subclass_of($class, EventHandler\AfterClassLikeVisitInterface::class)) {
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$this->after_visit_classlikes[] = $class;
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}
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if (is_subclass_of($class, Hook\AfterCodebasePopulatedInterface::class)) {
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$this->legacy_after_codebase_populated[] = $class;
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} elseif (is_subclass_of($class, EventHandler\AfterCodebasePopulatedInterface::class)) {
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$this->after_codebase_populated[] = $class;
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}
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if (is_subclass_of($class, Hook\AfterAnalysisInterface::class)) {
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$this->legacy_after_analysis[] = $class;
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} elseif (is_subclass_of($class, EventHandler\AfterAnalysisInterface::class)) {
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$this->after_analysis[] = $class;
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}
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if (is_subclass_of($class, Hook\AfterFileAnalysisInterface::class)) {
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$this->legacy_after_file_checks[] = $class;
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} elseif (is_subclass_of($class, EventHandler\AfterFileAnalysisInterface::class)) {
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$this->after_file_checks[] = $class;
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}
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if (is_subclass_of($class, Hook\BeforeFileAnalysisInterface::class)) {
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$this->legacy_before_file_checks[] = $class;
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} elseif (is_subclass_of($class, EventHandler\BeforeFileAnalysisInterface::class)) {
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$this->before_file_checks[] = $class;
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}
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if (is_subclass_of($class, Hook\AfterFunctionLikeAnalysisInterface::class)) {
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$this->legacy_after_functionlike_checks[] = $class;
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} elseif (is_subclass_of($class, EventHandler\AfterFunctionLikeAnalysisInterface::class)) {
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$this->after_functionlike_checks[] = $class;
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}
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2021-03-20 03:41:41 +01:00
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if (is_subclass_of($class, EventHandler\AddTaintsInterface::class)) {
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$this->add_taints_checks[] = $class;
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}
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if (is_subclass_of($class, EventHandler\RemoveTaintsInterface::class)) {
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$this->remove_taints_checks[] = $class;
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}
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2021-01-06 15:05:53 +01:00
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}
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2021-01-09 01:51:26 +01:00
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public function hasAfterMethodCallAnalysisHandlers(): bool
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{
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return count($this->after_method_checks) || count($this->legacy_after_method_checks);
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}
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2021-01-06 15:05:53 +01:00
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public function dispatchAfterMethodCallAnalysis(Event\AfterMethodCallAnalysisEvent $event): void
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{
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foreach ($this->after_method_checks as $handler) {
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$handler::afterMethodCallAnalysis($event);
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}
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foreach ($this->legacy_after_method_checks as $handler) {
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$file_replacements = $event->getFileReplacements();
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$return_type_candidate = $event->getReturnTypeCandidate();
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$handler::afterMethodCallAnalysis(
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$event->getExpr(),
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$event->getMethodId(),
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$event->getAppearingMethodId(),
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$event->getDeclaringMethodId(),
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$event->getContext(),
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$event->getStatementsSource(),
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$event->getCodebase(),
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$file_replacements,
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$return_type_candidate
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);
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$event->setFileReplacements($file_replacements);
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$event->setReturnTypeCandidate($return_type_candidate);
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}
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}
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public function dispatchAfterFunctionCallAnalysis(Event\AfterFunctionCallAnalysisEvent $event): void
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{
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foreach ($this->after_function_checks as $handler) {
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$handler::afterFunctionCallAnalysis($event);
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}
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foreach ($this->legacy_after_function_checks as $handler) {
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$file_replacements = $event->getFileReplacements();
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$handler::afterFunctionCallAnalysis(
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$event->getExpr(),
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$event->getFunctionId(),
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$event->getContext(),
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$event->getStatementsSource(),
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$event->getCodebase(),
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$event->getReturnTypeCandidate(),
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$file_replacements
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);
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$event->setFileReplacements($file_replacements);
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}
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}
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public function dispatchAfterEveryFunctionCallAnalysis(Event\AfterEveryFunctionCallAnalysisEvent $event): void
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{
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foreach ($this->after_every_function_checks as $handler) {
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$handler::afterEveryFunctionCallAnalysis($event);
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}
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foreach ($this->legacy_after_every_function_checks as $handler) {
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$handler::afterEveryFunctionCallAnalysis(
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$event->getExpr(),
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$event->getFunctionId(),
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$event->getContext(),
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$event->getStatementsSource(),
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$event->getCodebase()
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);
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}
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}
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public function dispatchAfterExpressionAnalysis(Event\AfterExpressionAnalysisEvent $event): ?bool
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{
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foreach ($this->after_expression_checks as $handler) {
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if ($handler::afterExpressionAnalysis($event) === false) {
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return false;
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}
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}
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foreach ($this->legacy_after_expression_checks as $handler) {
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$file_replacements = $event->getFileReplacements();
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if ($handler::afterExpressionAnalysis(
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$event->getExpr(),
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$event->getContext(),
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$event->getStatementsSource(),
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$event->getCodebase(),
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$file_replacements
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) === false) {
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return false;
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}
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$event->setFileReplacements($file_replacements);
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}
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return null;
|
|
|
|
}
|
|
|
|
|
|
|
|
public function dispatchAfterStatementAnalysis(Event\AfterStatementAnalysisEvent $event): ?bool
|
|
|
|
{
|
|
|
|
foreach ($this->after_statement_checks as $handler) {
|
|
|
|
if ($handler::afterStatementAnalysis($event) === false) {
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
foreach ($this->legacy_after_statement_checks as $handler) {
|
|
|
|
$file_replacements = $event->getFileReplacements();
|
|
|
|
if ($handler::afterStatementAnalysis(
|
|
|
|
$event->getStmt(),
|
|
|
|
$event->getContext(),
|
|
|
|
$event->getStatementsSource(),
|
|
|
|
$event->getCodebase(),
|
|
|
|
$file_replacements
|
|
|
|
) === false) {
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
$event->setFileReplacements($file_replacements);
|
|
|
|
}
|
|
|
|
|
|
|
|
return null;
|
|
|
|
}
|
|
|
|
|
|
|
|
public function dispatchStringInterpreter(Event\StringInterpreterEvent $event): ?TLiteralString
|
|
|
|
{
|
|
|
|
foreach ($this->string_interpreters as $handler) {
|
|
|
|
if ($type = $handler::getTypeFromValue($event)) {
|
|
|
|
return $type;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
foreach ($this->legacy_string_interpreters as $handler) {
|
|
|
|
if ($type = $handler::getTypeFromValue($event->getValue())) {
|
|
|
|
return $type;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return null;
|
|
|
|
}
|
|
|
|
|
|
|
|
public function dispatchAfterClassLikeExistenceCheck(Event\AfterClassLikeExistenceCheckEvent $event): void
|
|
|
|
{
|
|
|
|
foreach ($this->after_classlike_exists_checks as $handler) {
|
|
|
|
$handler::afterClassLikeExistenceCheck($event);
|
|
|
|
}
|
|
|
|
|
|
|
|
foreach ($this->legacy_after_classlike_exists_checks as $handler) {
|
|
|
|
$file_replacements = $event->getFileReplacements();
|
|
|
|
$handler::afterClassLikeExistenceCheck(
|
|
|
|
$event->getFqClassName(),
|
|
|
|
$event->getCodeLocation(),
|
|
|
|
$event->getStatementsSource(),
|
|
|
|
$event->getCodebase(),
|
|
|
|
$file_replacements
|
|
|
|
);
|
|
|
|
$event->setFileReplacements($file_replacements);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
public function dispatchAfterClassLikeAnalysis(Event\AfterClassLikeAnalysisEvent $event): ?bool
|
|
|
|
{
|
|
|
|
foreach ($this->after_classlike_checks as $handler) {
|
|
|
|
if ($handler::afterStatementAnalysis($event) === false) {
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
foreach ($this->legacy_after_classlike_checks as $handler) {
|
|
|
|
$file_replacements = $event->getFileReplacements();
|
|
|
|
if ($handler::afterStatementAnalysis(
|
|
|
|
$event->getStmt(),
|
|
|
|
$event->getClasslikeStorage(),
|
|
|
|
$event->getStatementsSource(),
|
|
|
|
$event->getCodebase(),
|
|
|
|
$file_replacements
|
|
|
|
) === false) {
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
$event->setFileReplacements($file_replacements);
|
|
|
|
}
|
|
|
|
|
|
|
|
return null;
|
|
|
|
}
|
|
|
|
|
2021-01-09 01:51:26 +01:00
|
|
|
public function hasAfterClassLikeVisitHandlers(): bool
|
|
|
|
{
|
|
|
|
return count($this->after_visit_classlikes) || count($this->legacy_after_visit_classlikes);
|
|
|
|
}
|
|
|
|
|
2021-01-06 15:05:53 +01:00
|
|
|
public function dispatchAfterClassLikeVisit(Event\AfterClassLikeVisitEvent $event): void
|
|
|
|
{
|
|
|
|
foreach ($this->after_visit_classlikes as $handler) {
|
|
|
|
$handler::afterClassLikeVisit($event);
|
|
|
|
}
|
|
|
|
|
|
|
|
foreach ($this->legacy_after_visit_classlikes as $handler) {
|
|
|
|
$file_replacements = $event->getFileReplacements();
|
|
|
|
$handler::afterClassLikeVisit(
|
|
|
|
$event->getStmt(),
|
|
|
|
$event->getStorage(),
|
|
|
|
$event->getStatementsSource(),
|
|
|
|
$event->getCodebase(),
|
|
|
|
$file_replacements
|
|
|
|
);
|
|
|
|
$event->setFileReplacements($file_replacements);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
public function dispatchAfterCodebasePopulated(Event\AfterCodebasePopulatedEvent $event): void
|
|
|
|
{
|
|
|
|
foreach ($this->after_codebase_populated as $handler) {
|
|
|
|
$handler::afterCodebasePopulated($event);
|
|
|
|
}
|
|
|
|
|
|
|
|
foreach ($this->legacy_after_codebase_populated as $handler) {
|
|
|
|
$handler::afterCodebasePopulated(
|
|
|
|
$event->getCodebase()
|
|
|
|
);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
public function dispatchAfterAnalysis(Event\AfterAnalysisEvent $event): void
|
|
|
|
{
|
|
|
|
foreach ($this->after_analysis as $handler) {
|
|
|
|
$handler::afterAnalysis($event);
|
|
|
|
}
|
|
|
|
|
|
|
|
foreach ($this->legacy_after_analysis as $handler) {
|
|
|
|
/** @psalm-suppress MixedArgumentTypeCoercion due to Psalm bug */
|
|
|
|
$handler::afterAnalysis(
|
|
|
|
$event->getCodebase(),
|
|
|
|
$event->getIssues(),
|
|
|
|
$event->getBuildInfo(),
|
|
|
|
$event->getSourceControlInfo()
|
|
|
|
);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
public function dispatchAfterFileAnalysis(Event\AfterFileAnalysisEvent $event): void
|
|
|
|
{
|
|
|
|
foreach ($this->after_file_checks as $handler) {
|
|
|
|
$handler::afterAnalyzeFile($event);
|
|
|
|
}
|
|
|
|
|
|
|
|
foreach ($this->legacy_after_file_checks as $handler) {
|
|
|
|
$handler::afterAnalyzeFile(
|
|
|
|
$event->getStatementsSource(),
|
|
|
|
$event->getFileContext(),
|
|
|
|
$event->getFileStorage(),
|
|
|
|
$event->getCodebase()
|
|
|
|
);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
public function dispatchBeforeFileAnalysis(Event\BeforeFileAnalysisEvent $event): void
|
|
|
|
{
|
|
|
|
foreach ($this->before_file_checks as $handler) {
|
|
|
|
$handler::beforeAnalyzeFile($event);
|
|
|
|
}
|
|
|
|
|
|
|
|
foreach ($this->legacy_before_file_checks as $handler) {
|
|
|
|
$handler::beforeAnalyzeFile(
|
|
|
|
$event->getStatementsSource(),
|
|
|
|
$event->getFileContext(),
|
|
|
|
$event->getFileStorage(),
|
|
|
|
$event->getCodebase()
|
|
|
|
);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
public function dispatchAfterFunctionLikeAnalysis(Event\AfterFunctionLikeAnalysisEvent $event): ?bool
|
|
|
|
{
|
|
|
|
foreach ($this->after_functionlike_checks as $handler) {
|
|
|
|
if ($handler::afterStatementAnalysis($event) === false) {
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
foreach ($this->legacy_after_functionlike_checks as $handler) {
|
|
|
|
$file_replacements = $event->getFileReplacements();
|
|
|
|
if ($handler::afterStatementAnalysis(
|
|
|
|
$event->getStmt(),
|
|
|
|
$event->getClasslikeStorage(),
|
|
|
|
$event->getStatementsSource(),
|
|
|
|
$event->getCodebase(),
|
|
|
|
$file_replacements
|
|
|
|
) === false) {
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
$event->setFileReplacements($file_replacements);
|
|
|
|
}
|
|
|
|
|
|
|
|
return null;
|
|
|
|
}
|
2021-03-20 03:41:41 +01:00
|
|
|
|
|
|
|
/**
|
|
|
|
* @return list<string>
|
|
|
|
*/
|
|
|
|
public function dispatchAddTaints(Event\AddRemoveTaintsEvent $event): array
|
|
|
|
{
|
|
|
|
$added_taints = [];
|
|
|
|
|
|
|
|
foreach ($this->add_taints_checks as $handler) {
|
|
|
|
$added_taints = \array_merge($added_taints, $handler::addTaints($event));
|
|
|
|
}
|
|
|
|
|
|
|
|
return $added_taints;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* @return list<string>
|
|
|
|
*/
|
|
|
|
public function dispatchRemoveTaints(Event\AddRemoveTaintsEvent $event): array
|
|
|
|
{
|
|
|
|
$removed_taints = [];
|
|
|
|
|
|
|
|
foreach ($this->remove_taints_checks as $handler) {
|
|
|
|
$removed_taints = \array_merge($removed_taints, $handler::removeTaints($event));
|
|
|
|
}
|
|
|
|
|
|
|
|
return $removed_taints;
|
|
|
|
}
|
2021-01-06 15:05:53 +01:00
|
|
|
}
|