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psalm/src/Psalm/Internal/EventDispatcher.php

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<?php
namespace Psalm\Internal;
use Psalm\Plugin\Hook;
use Psalm\Plugin\EventHandler;
use Psalm\Plugin\EventHandler\Event;
use Psalm\Type\Atomic\TLiteralString;
use function is_subclass_of;
class EventDispatcher
{
/**
* Static methods to be called after method checks have completed
*
* @var list<class-string<EventHandler\AfterMethodCallAnalysisInterface>>
*/
public $after_method_checks = [];
/** @var list<class-string<Hook\AfterMethodCallAnalysisInterface>> */
public $legacy_after_method_checks = [];
/**
* Static methods to be called after project function checks have completed
*
* Called after function calls to functions defined in the project.
*
* Allows influencing the return type and adding of modifications.
*
* @var list<class-string<EventHandler\AfterFunctionCallAnalysisInterface>>
*/
public $after_function_checks = [];
/** @var list<class-string<Hook\AfterFunctionCallAnalysisInterface>> */
public $legacy_after_function_checks = [];
/**
* Static methods to be called after every function call
*
* Called after each function call, including php internal functions.
*
* Cannot change the call or influence its return type
*
* @var list<class-string<EventHandler\AfterEveryFunctionCallAnalysisInterface>>
*/
public $after_every_function_checks = [];
/** @var list<class-string<Hook\AfterEveryFunctionCallAnalysisInterface>> */
public $legacy_after_every_function_checks = [];
/**
* Static methods to be called after expression checks have completed
*
* @var list<class-string<EventHandler\AfterExpressionAnalysisInterface>>
*/
public $after_expression_checks = [];
/** @var list<class-string<Hook\AfterExpressionAnalysisInterface>> */
public $legacy_after_expression_checks = [];
/**
* Static methods to be called after statement checks have completed
*
* @var list<class-string<EventHandler\AfterStatementAnalysisInterface>>
*/
public $after_statement_checks = [];
/** @var list<class-string<Hook\AfterStatementAnalysisInterface>> */
public $legacy_after_statement_checks = [];
/**
* Static methods to be called after method checks have completed
*
* @var list<class-string<EventHandler\StringInterpreterInterface>>
*/
public $string_interpreters = [];
/** @var list<class-string<Hook\StringInterpreterInterface>> */
public $legacy_string_interpreters = [];
/**
* Static methods to be called after classlike exists checks have completed
*
* @var list<class-string<EventHandler\AfterClassLikeExistenceCheckInterface>>
*/
public $after_classlike_exists_checks = [];
/** @var list<class-string<Hook\AfterClassLikeExistenceCheckInterface>> */
public $legacy_after_classlike_exists_checks = [];
/**
* Static methods to be called after classlike checks have completed
*
* @var list<class-string<EventHandler\AfterClassLikeAnalysisInterface>>
*/
public $after_classlike_checks = [];
/** @var list<class-string<Hook\AfterClassLikeAnalysisInterface>> */
public $legacy_after_classlike_checks = [];
/**
* Static methods to be called after classlikes have been scanned
*
* @var list<class-string<EventHandler\AfterClassLikeVisitInterface>>
*/
public $after_visit_classlikes = [];
/** @var list<class-string<Hook\AfterClassLikeVisitInterface>> */
public $legacy_after_visit_classlikes = [];
/**
* Static methods to be called after codebase has been populated
*
* @var list<class-string<EventHandler\AfterCodebasePopulatedInterface>>
*/
public $after_codebase_populated = [];
/** @var list<class-string<Hook\AfterCodebasePopulatedInterface>> */
public $legacy_after_codebase_populated = [];
/**
* Static methods to be called after codebase has been populated
*
* @var list<class-string<EventHandler\AfterAnalysisInterface>>
*/
public $after_analysis = [];
/** @var list<class-string<Hook\AfterAnalysisInterface>> */
public $legacy_after_analysis = [];
/**
* Static methods to be called after a file has been analyzed
*
* @var list<class-string<EventHandler\AfterFileAnalysisInterface>>
*/
public $after_file_checks = [];
/** @var list<class-string<Hook\AfterFileAnalysisInterface>> */
public $legacy_after_file_checks = [];
/**
* Static methods to be called before a file is analyzed
*
* @var list<class-string<EventHandler\BeforeFileAnalysisInterface>>
*/
public $before_file_checks = [];
/** @var list<class-string<Hook\BeforeFileAnalysisInterface>> */
public $legacy_before_file_checks = [];
/**
* Static methods to be called after functionlike checks have completed
*
* @var list<class-string<EventHandler\AfterFunctionLikeAnalysisInterface>>
*/
public $after_functionlike_checks = [];
/** @var list<class-string<Hook\AfterFunctionLikeAnalysisInterface>> */
public $legacy_after_functionlike_checks = [];
/**
* @param class-string $class
*/
public function registerClass(string $class): void
{
if (is_subclass_of($class, Hook\AfterMethodCallAnalysisInterface::class)) {
$this->legacy_after_method_checks[] = $class;
} elseif (is_subclass_of($class, EventHandler\AfterMethodCallAnalysisInterface::class)) {
$this->after_method_checks[] = $class;
}
if (is_subclass_of($class, Hook\AfterFunctionCallAnalysisInterface::class)) {
$this->legacy_after_function_checks[] = $class;
} elseif (is_subclass_of($class, EventHandler\AfterFunctionCallAnalysisInterface::class)) {
$this->after_function_checks[] = $class;
}
if (is_subclass_of($class, Hook\AfterEveryFunctionCallAnalysisInterface::class)) {
$this->legacy_after_every_function_checks[] = $class;
} elseif (is_subclass_of($class, EventHandler\AfterEveryFunctionCallAnalysisInterface::class)) {
$this->after_every_function_checks[] = $class;
}
if (is_subclass_of($class, Hook\AfterExpressionAnalysisInterface::class)) {
$this->legacy_after_expression_checks[] = $class;
} elseif (is_subclass_of($class, EventHandler\AfterExpressionAnalysisInterface::class)) {
$this->after_expression_checks[] = $class;
}
if (is_subclass_of($class, Hook\AfterStatementAnalysisInterface::class)) {
$this->legacy_after_statement_checks[] = $class;
} elseif (is_subclass_of($class, EventHandler\AfterStatementAnalysisInterface::class)) {
$this->after_statement_checks[] = $class;
}
if (is_subclass_of($class, Hook\StringInterpreterInterface::class)) {
$this->legacy_string_interpreters[] = $class;
} elseif (is_subclass_of($class, EventHandler\StringInterpreterInterface::class)) {
$this->string_interpreters[] = $class;
}
if (is_subclass_of($class, Hook\AfterClassLikeExistenceCheckInterface::class)) {
$this->legacy_after_classlike_exists_checks[] = $class;
} elseif (is_subclass_of($class, EventHandler\AfterClassLikeExistenceCheckInterface::class)) {
$this->after_classlike_exists_checks[] = $class;
}
if (is_subclass_of($class, Hook\AfterClassLikeAnalysisInterface::class)) {
$this->legacy_after_classlike_checks[] = $class;
} elseif (is_subclass_of($class, EventHandler\AfterClassLikeAnalysisInterface::class)) {
$this->after_classlike_checks[] = $class;
}
if (is_subclass_of($class, Hook\AfterClassLikeVisitInterface::class)) {
$this->legacy_after_visit_classlikes[] = $class;
} elseif (is_subclass_of($class, EventHandler\AfterClassLikeVisitInterface::class)) {
$this->after_visit_classlikes[] = $class;
}
if (is_subclass_of($class, Hook\AfterCodebasePopulatedInterface::class)) {
$this->legacy_after_codebase_populated[] = $class;
} elseif (is_subclass_of($class, EventHandler\AfterCodebasePopulatedInterface::class)) {
$this->after_codebase_populated[] = $class;
}
if (is_subclass_of($class, Hook\AfterAnalysisInterface::class)) {
$this->legacy_after_analysis[] = $class;
} elseif (is_subclass_of($class, EventHandler\AfterAnalysisInterface::class)) {
$this->after_analysis[] = $class;
}
if (is_subclass_of($class, Hook\AfterFileAnalysisInterface::class)) {
$this->legacy_after_file_checks[] = $class;
} elseif (is_subclass_of($class, EventHandler\AfterFileAnalysisInterface::class)) {
$this->after_file_checks[] = $class;
}
if (is_subclass_of($class, Hook\BeforeFileAnalysisInterface::class)) {
$this->legacy_before_file_checks[] = $class;
} elseif (is_subclass_of($class, EventHandler\BeforeFileAnalysisInterface::class)) {
$this->before_file_checks[] = $class;
}
if (is_subclass_of($class, Hook\AfterFunctionLikeAnalysisInterface::class)) {
$this->legacy_after_functionlike_checks[] = $class;
} elseif (is_subclass_of($class, EventHandler\AfterFunctionLikeAnalysisInterface::class)) {
$this->after_functionlike_checks[] = $class;
}
}
public function dispatchAfterMethodCallAnalysis(Event\AfterMethodCallAnalysisEvent $event): void
{
foreach ($this->after_method_checks as $handler) {
$handler::afterMethodCallAnalysis($event);
}
foreach ($this->legacy_after_method_checks as $handler) {
$file_replacements = $event->getFileReplacements();
$return_type_candidate = $event->getReturnTypeCandidate();
$handler::afterMethodCallAnalysis(
$event->getExpr(),
$event->getMethodId(),
$event->getAppearingMethodId(),
$event->getDeclaringMethodId(),
$event->getContext(),
$event->getStatementsSource(),
$event->getCodebase(),
$file_replacements,
$return_type_candidate
);
$event->setFileReplacements($file_replacements);
$event->setReturnTypeCandidate($return_type_candidate);
}
}
public function dispatchAfterFunctionCallAnalysis(Event\AfterFunctionCallAnalysisEvent $event): void
{
foreach ($this->after_function_checks as $handler) {
$handler::afterFunctionCallAnalysis($event);
}
foreach ($this->legacy_after_function_checks as $handler) {
$file_replacements = $event->getFileReplacements();
$handler::afterFunctionCallAnalysis(
$event->getExpr(),
$event->getFunctionId(),
$event->getContext(),
$event->getStatementsSource(),
$event->getCodebase(),
$event->getReturnTypeCandidate(),
$file_replacements
);
$event->setFileReplacements($file_replacements);
}
}
public function dispatchAfterEveryFunctionCallAnalysis(Event\AfterEveryFunctionCallAnalysisEvent $event): void
{
foreach ($this->after_every_function_checks as $handler) {
$handler::afterEveryFunctionCallAnalysis($event);
}
foreach ($this->legacy_after_every_function_checks as $handler) {
$handler::afterEveryFunctionCallAnalysis(
$event->getExpr(),
$event->getFunctionId(),
$event->getContext(),
$event->getStatementsSource(),
$event->getCodebase()
);
}
}
public function dispatchAfterExpressionAnalysis(Event\AfterExpressionAnalysisEvent $event): ?bool
{
foreach ($this->after_expression_checks as $handler) {
if ($handler::afterExpressionAnalysis($event) === false) {
return false;
}
}
foreach ($this->legacy_after_expression_checks as $handler) {
$file_replacements = $event->getFileReplacements();
if ($handler::afterExpressionAnalysis(
$event->getExpr(),
$event->getContext(),
$event->getStatementsSource(),
$event->getCodebase(),
$file_replacements
) === false) {
return false;
}
$event->setFileReplacements($file_replacements);
}
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;
}
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;
}
}