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psalm/src/Psalm/Internal/Provider/FileReferenceProvider.php

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<?php
namespace Psalm\Internal\Provider;
use function array_filter;
use function array_keys;
use function array_merge;
use function array_unique;
use function file_exists;
use Psalm\Codebase;
use Psalm\CodeLocation;
use Psalm\Internal\Analyzer\IssueData;
use Psalm\Internal\Analyzer\ClassLikeAnalyzer;
/**
* @psalm-import-type FileMapType from \Psalm\Internal\Codebase\Analyzer
*
* Used to determine which files reference other files, necessary for using the --diff
* option from the command line.
*/
class FileReferenceProvider
{
/**
* @var bool
*/
private $loaded_from_cache = false;
/**
* A lookup table used for getting all the references to a class not inside a method
* indexed by file
*
* @var array<string, array<string,bool>>
*/
private static $nonmethod_references_to_classes = [];
/**
* A lookup table used for getting all the methods that reference a class
*
* @var array<string, array<string,bool>>
*/
private static $method_references_to_classes = [];
/**
* A lookup table used for getting all the files that reference a class member
*
* @var array<string, array<string,bool>>
*/
private static $file_references_to_class_members = [];
/**
* A lookup table used for getting all the files that reference a missing class member
*
* @var array<string, array<string,bool>>
*/
private static $file_references_to_missing_class_members = [];
/**
* @var array<string, array<string, true>>
*/
private static $files_inheriting_classes = [];
/**
* A list of all files deleted since the last successful run
*
* @var array<int, string>|null
*/
private static $deleted_files = null;
/**
* A lookup table used for getting all the files referenced by a file
*
* @var array<string, array{a:array<int, string>, i:array<int, string>}>
*/
private static $file_references = [];
/**
* @var array<string, array<string, bool>>
*/
private static $method_references_to_class_members = [];
/**
* @var array<string, array<string, bool>>
*/
private static $method_references_to_missing_class_members = [];
/**
* @var array<string, array<string, bool>>
*/
private static $references_to_mixed_member_names = [];
/**
* @var array<string, array<int, CodeLocation>>
*/
private static $class_method_locations = [];
/**
* @var array<string, array<int, CodeLocation>>
*/
private static $class_property_locations = [];
/**
* @var array<string, array<int, CodeLocation>>
*/
private static $class_locations = [];
/**
* @var array<string, string>
*/
private static $classlike_files = [];
/**
* @var array<string, array<string, int>>
*/
private static $analyzed_methods = [];
/**
* @var array<string, array<int, IssueData>>
*/
private static $issues = [];
/**
* @var array<string, FileMapType>
*/
private static $file_maps = [];
/**
* @var array<string, array{int, int}>
*/
private static $mixed_counts = [];
/**
* @var array<string, array<int, array<string, bool>>>
*/
private static $method_param_uses = [];
/**
* @var ?FileReferenceCacheProvider
*/
public $cache;
public function __construct(FileReferenceCacheProvider $cache = null)
{
$this->cache = $cache;
}
/**
* @return array<string>
*/
public function getDeletedReferencedFiles()
{
if (self::$deleted_files === null) {
self::$deleted_files = array_filter(
array_keys(self::$file_references),
/**
* @param string $file_name
*
* @return bool
*/
function ($file_name) {
return !file_exists($file_name);
}
);
}
return self::$deleted_files;
}
/**
* @param lowercase-string $fq_class_name_lc
* @return void
*/
public function addNonMethodReferenceToClass(string $source_file, string $fq_class_name_lc)
{
self::$nonmethod_references_to_classes[$fq_class_name_lc][$source_file] = true;
}
/**
* @return array<string, array<string,bool>>
*/
public function getAllNonMethodReferencesToClasses()
{
return self::$nonmethod_references_to_classes;
}
/**
* @param array<string, array<string,bool>> $references
*
* @return void
*/
public function addNonMethodReferencesToClasses(array $references)
{
foreach ($references as $key => $reference) {
if (isset(self::$nonmethod_references_to_classes[$key])) {
self::$nonmethod_references_to_classes[$key] = array_merge(
$reference,
self::$nonmethod_references_to_classes[$key]
);
} else {
self::$nonmethod_references_to_classes[$key] = $reference;
}
}
}
/**
* @param array<string, string> $map
*/
public function addClassLikeFiles(array $map) : void
{
self::$classlike_files += $map;
}
/**
* @return void
*/
public function addFileReferenceToClassMember(string $source_file, string $referenced_member_id)
{
self::$file_references_to_class_members[$referenced_member_id][$source_file] = true;
}
/**
* @return void
*/
public function addFileReferenceToMissingClassMember(string $source_file, string $referenced_member_id)
{
self::$file_references_to_missing_class_members[$referenced_member_id][$source_file] = true;
}
/**
* @return array<string, array<string,bool>>
*/
public function getAllFileReferencesToClassMembers()
{
return self::$file_references_to_class_members;
}
/**
* @return array<string, array<string,bool>>
*/
public function getAllFileReferencesToMissingClassMembers()
{
return self::$file_references_to_missing_class_members;
}
/**
* @param array<string, array<string,bool>> $references
*
* @return void
*/
public function addFileReferencesToClassMembers(array $references)
{
foreach ($references as $key => $reference) {
if (isset(self::$file_references_to_class_members[$key])) {
self::$file_references_to_class_members[$key] = array_merge(
$reference,
self::$file_references_to_class_members[$key]
);
} else {
self::$file_references_to_class_members[$key] = $reference;
}
}
}
/**
* @param array<string, array<string,bool>> $references
*
* @return void
*/
public function addFileReferencesToMissingClassMembers(array $references)
{
foreach ($references as $key => $reference) {
if (isset(self::$file_references_to_missing_class_members[$key])) {
self::$file_references_to_missing_class_members[$key] = array_merge(
$reference,
self::$file_references_to_missing_class_members[$key]
);
} else {
self::$file_references_to_missing_class_members[$key] = $reference;
}
}
}
/**
* @param string $source_file
* @param string $fq_class_name_lc
*
* @return void
*/
public function addFileInheritanceToClass($source_file, $fq_class_name_lc)
{
self::$files_inheriting_classes[$fq_class_name_lc][$source_file] = true;
}
/**
* @return void
*/
public function addMethodParamUse(string $method_id, int $offset, string $referencing_method_id)
{
self::$method_param_uses[$method_id][$offset][$referencing_method_id] = true;
}
/**
* @param string $file
*
* @return array<int, string>
*/
private function calculateFilesReferencingFile(Codebase $codebase, $file)
{
$referenced_files = [];
$file_classes = ClassLikeAnalyzer::getClassesForFile($codebase, $file);
foreach ($file_classes as $file_class_lc => $_) {
if (isset(self::$nonmethod_references_to_classes[$file_class_lc])) {
$new_files = array_keys(self::$nonmethod_references_to_classes[$file_class_lc]);
$referenced_files = array_merge(
$referenced_files,
$new_files
);
}
if (isset(self::$method_references_to_classes[$file_class_lc])) {
$new_referencing_methods = array_keys(self::$method_references_to_classes[$file_class_lc]);
foreach ($new_referencing_methods as $new_referencing_method_id) {
$fq_class_name_lc = \explode('::', $new_referencing_method_id)[0];
try {
$referenced_files[] = $codebase->scanner->getClassLikeFilePath($fq_class_name_lc);
} catch (\UnexpectedValueException $e) {
if (isset(self::$classlike_files[$fq_class_name_lc])) {
$referenced_files[] = self::$classlike_files[$fq_class_name_lc];
}
}
}
}
}
return array_unique($referenced_files);
}
/**
* @param string $file
*
* @return array<int, string>
*/
private function calculateFilesInheritingFile(Codebase $codebase, $file)
{
$referenced_files = [];
$file_classes = ClassLikeAnalyzer::getClassesForFile($codebase, $file);
foreach ($file_classes as $file_class_lc => $_) {
if (isset(self::$files_inheriting_classes[$file_class_lc])) {
$referenced_files = array_merge(
$referenced_files,
array_keys(self::$files_inheriting_classes[$file_class_lc])
);
}
}
return array_unique($referenced_files);
}
/**
* @return void
*/
public function removeDeletedFilesFromReferences()
{
$deleted_files = self::getDeletedReferencedFiles();
if ($deleted_files) {
foreach ($deleted_files as $file) {
unset(self::$file_references[$file]);
}
if ($this->cache) {
$this->cache->setCachedFileReferences(self::$file_references);
}
}
}
/**
* @param string $file
*
* @return array<string>
*/
public function getFilesReferencingFile($file)
{
return isset(self::$file_references[$file]['a']) ? self::$file_references[$file]['a'] : [];
}
/**
* @param string $file
*
* @return array<string>
*/
public function getFilesInheritingFromFile($file)
{
return isset(self::$file_references[$file]['i']) ? self::$file_references[$file]['i'] : [];
}
/**
* @return array<string, array<string, bool>>
*/
public function getAllMethodReferencesToClassMembers()
{
return self::$method_references_to_class_members;
}
/**
* @return array<string, array<string, bool>>
*/
public function getAllMethodReferencesToClasses()
{
return self::$method_references_to_classes;
}
/**
* @return array<string, array<string, bool>>
*/
public function getAllMethodReferencesToMissingClassMembers()
{
return self::$method_references_to_missing_class_members;
}
/**
* @return array<string, array<string,bool>>
*/
public function getAllReferencesToMixedMemberNames()
{
return self::$references_to_mixed_member_names;
}
/**
* @return array<string, array<int, array<string, bool>>>
*/
public function getAllMethodParamUses()
{
return self::$method_param_uses;
}
/**
* @param bool $force_reload
*
* @return bool
* @psalm-suppress MixedPropertyTypeCoercion
*/
public function loadReferenceCache($force_reload = true)
{
if ($this->cache && (!$this->loaded_from_cache || $force_reload)) {
$this->loaded_from_cache = true;
$file_references = $this->cache->getCachedFileReferences();
if ($file_references === null) {
return false;
}
self::$file_references = $file_references;
$nonmethod_references_to_classes = $this->cache->getCachedNonMethodClassReferences();
if ($nonmethod_references_to_classes === null) {
return false;
}
self::$nonmethod_references_to_classes = $nonmethod_references_to_classes;
$method_references_to_classes = $this->cache->getCachedMethodClassReferences();
if ($method_references_to_classes === null) {
return false;
}
self::$method_references_to_classes = $method_references_to_classes;
$method_references_to_class_members = $this->cache->getCachedMethodMemberReferences();
if ($method_references_to_class_members === null) {
return false;
}
self::$method_references_to_class_members = $method_references_to_class_members;
$method_references_to_missing_class_members = $this->cache->getCachedMethodMissingMemberReferences();
if ($method_references_to_missing_class_members === null) {
return false;
}
self::$method_references_to_missing_class_members = $method_references_to_missing_class_members;
$file_references_to_class_members = $this->cache->getCachedFileMemberReferences();
if ($file_references_to_class_members === null) {
return false;
}
self::$file_references_to_class_members = $file_references_to_class_members;
$file_references_to_missing_class_members = $this->cache->getCachedFileMissingMemberReferences();
if ($file_references_to_missing_class_members === null) {
return false;
}
self::$file_references_to_missing_class_members = $file_references_to_missing_class_members;
$references_to_mixed_member_names = $this->cache->getCachedMixedMemberNameReferences();
if ($references_to_mixed_member_names === null) {
return false;
}
self::$references_to_mixed_member_names = $references_to_mixed_member_names;
$analyzed_methods = $this->cache->getAnalyzedMethodCache();
if ($analyzed_methods === false) {
return false;
}
self::$analyzed_methods = $analyzed_methods;
$issues = $this->cache->getCachedIssues();
if ($issues === null) {
return false;
}
self::$issues = $issues;
$method_param_uses = $this->cache->getCachedMethodParamUses();
if ($method_param_uses === null) {
return false;
}
self::$method_param_uses = $method_param_uses;
$mixed_counts = $this->cache->getTypeCoverage();
if ($mixed_counts === false) {
return false;
}
self::$mixed_counts = $mixed_counts;
$classlike_files = $this->cache->getCachedClassLikeFiles();
if ($classlike_files === null) {
return false;
}
self::$classlike_files = $classlike_files;
self::$file_maps = $this->cache->getFileMapCache() ?: [];
return true;
}
return false;
}
/**
* @param array<string, string|bool> $visited_files
*
* @return void
*/
public function updateReferenceCache(Codebase $codebase, array $visited_files)
{
foreach ($visited_files as $file => $_) {
$all_file_references = array_unique(
array_merge(
isset(self::$file_references[$file]['a']) ? self::$file_references[$file]['a'] : [],
$this->calculateFilesReferencingFile($codebase, $file)
)
);
$inheritance_references = array_unique(
array_merge(
isset(self::$file_references[$file]['i']) ? self::$file_references[$file]['i'] : [],
$this->calculateFilesInheritingFile($codebase, $file)
)
);
self::$file_references[$file] = [
'a' => $all_file_references,
'i' => $inheritance_references,
];
}
if ($this->cache) {
$this->cache->setCachedFileReferences(self::$file_references);
$this->cache->setCachedMethodClassReferences(self::$method_references_to_classes);
$this->cache->setCachedNonMethodClassReferences(self::$nonmethod_references_to_classes);
$this->cache->setCachedMethodMemberReferences(self::$method_references_to_class_members);
$this->cache->setCachedFileMemberReferences(self::$file_references_to_class_members);
$this->cache->setCachedMethodMissingMemberReferences(self::$method_references_to_missing_class_members);
$this->cache->setCachedFileMissingMemberReferences(self::$file_references_to_missing_class_members);
$this->cache->setCachedMixedMemberNameReferences(self::$references_to_mixed_member_names);
$this->cache->setCachedMethodParamUses(self::$method_param_uses);
$this->cache->setCachedIssues(self::$issues);
$this->cache->setCachedClassLikeFiles(self::$classlike_files);
$this->cache->setFileMapCache(self::$file_maps);
$this->cache->setTypeCoverage(self::$mixed_counts);
$this->cache->setAnalyzedMethodCache(self::$analyzed_methods);
}
}
/**
* @param lowercase-string $fq_class_name_lc
* @return void
*/
public function addMethodReferenceToClass(string $calling_function_id, string $fq_class_name_lc)
{
if (!isset(self::$method_references_to_classes[$fq_class_name_lc])) {
self::$method_references_to_classes[$fq_class_name_lc] = [$calling_function_id => true];
} else {
self::$method_references_to_classes[$fq_class_name_lc][$calling_function_id] = true;
}
}
/**
* @return void
*/
public function addMethodReferenceToClassMember(string $calling_function_id, string $referenced_member_id)
{
if (!isset(self::$method_references_to_class_members[$referenced_member_id])) {
self::$method_references_to_class_members[$referenced_member_id] = [$calling_function_id => true];
} else {
self::$method_references_to_class_members[$referenced_member_id][$calling_function_id] = true;
}
}
/**
* @return void
*/
public function addMethodReferenceToMissingClassMember(string $calling_function_id, string $referenced_member_id)
{
if (!isset(self::$method_references_to_missing_class_members[$referenced_member_id])) {
self::$method_references_to_missing_class_members[$referenced_member_id] = [$calling_function_id => true];
} else {
self::$method_references_to_missing_class_members[$referenced_member_id][$calling_function_id] = true;
}
}
/**
* @return void
*/
public function addCallingLocationForClassMethod(CodeLocation $code_location, string $referenced_member_id)
{
if (!isset(self::$class_method_locations[$referenced_member_id])) {
self::$class_method_locations[$referenced_member_id] = [$code_location];
} else {
self::$class_method_locations[$referenced_member_id][] = $code_location;
}
}
/**
* @return void
*/
public function addCallingLocationForClassProperty(CodeLocation $code_location, string $referenced_property_id)
{
if (!isset(self::$class_property_locations[$referenced_property_id])) {
self::$class_property_locations[$referenced_property_id] = [$code_location];
} else {
self::$class_property_locations[$referenced_property_id][] = $code_location;
}
}
/**
* @return void
*/
public function addCallingLocationForClass(CodeLocation $code_location, string $referenced_class)
{
if (!isset(self::$class_locations[$referenced_class])) {
self::$class_locations[$referenced_class] = [$code_location];
} else {
self::$class_locations[$referenced_class][] = $code_location;
}
}
public function isClassMethodReferenced(string $method_id) : bool
{
return !empty(self::$file_references_to_class_members[$method_id])
|| !empty(self::$method_references_to_class_members[$method_id]);
}
public function isClassPropertyReferenced(string $property_id) : bool
{
return !empty(self::$file_references_to_class_members[$property_id])
|| !empty(self::$method_references_to_class_members[$property_id]);
}
public function isClassReferenced(string $fq_class_name_lc) : bool
{
return isset(self::$method_references_to_classes[$fq_class_name_lc])
|| isset(self::$nonmethod_references_to_classes[$fq_class_name_lc]);
}
public function isMethodParamUsed(string $method_id, int $offset) : bool
{
return !empty(self::$method_param_uses[$method_id][$offset]);
}
/**
* @param array<string, array<string,bool>> $references
*
* @return void
*/
public function setNonMethodReferencesToClasses(array $references)
{
self::$nonmethod_references_to_classes = $references;
}
/**
* @return array<string, array<int, CodeLocation>>
*/
public function getAllClassMethodLocations() : array
{
return self::$class_method_locations;
}
/**
* @return array<string, array<int, CodeLocation>>
*/
public function getAllClassPropertyLocations() : array
{
return self::$class_property_locations;
}
/**
* @return array<string, array<int, CodeLocation>>
*/
public function getAllClassLocations() : array
{
return self::$class_locations;
}
/**
* @return array<int, CodeLocation>
*/
public function getClassMethodLocations(string $method_id) : array
{
return self::$class_method_locations[$method_id] ?? [];
}
/**
* @return array<int, CodeLocation>
*/
public function getClassPropertyLocations(string $property_id) : array
{
return self::$class_property_locations[$property_id] ?? [];
}
/**
* @return array<int, CodeLocation>
*/
public function getClassLocations(string $fq_class_name_lc) : array
{
return self::$class_locations[$fq_class_name_lc] ?? [];
}
/**
* @param array<string, array<string,bool>> $references
*
* @return void
*/
public function addMethodReferencesToClassMembers(array $references)
{
foreach ($references as $key => $reference) {
if (isset(self::$method_references_to_class_members[$key])) {
self::$method_references_to_class_members[$key] = array_merge(
$reference,
self::$method_references_to_class_members[$key]
);
} else {
self::$method_references_to_class_members[$key] = $reference;
}
}
}
/**
* @param array<string, array<string,bool>> $references
*
* @return void
*/
public function addMethodReferencesToClasses(array $references)
{
foreach ($references as $key => $reference) {
if (isset(self::$method_references_to_classes[$key])) {
self::$method_references_to_classes[$key] = array_merge(
$reference,
self::$method_references_to_classes[$key]
);
} else {
self::$method_references_to_classes[$key] = $reference;
}
}
}
/**
* @param array<string, array<string,bool>> $references
*
* @return void
*/
public function addMethodReferencesToMissingClassMembers(array $references)
{
foreach ($references as $key => $reference) {
if (isset(self::$method_references_to_missing_class_members[$key])) {
self::$method_references_to_missing_class_members[$key] = array_merge(
$reference,
self::$method_references_to_missing_class_members[$key]
);
} else {
self::$method_references_to_missing_class_members[$key] = $reference;
}
}
}
/**
* @param array<string, array<int, array<string, bool>>> $references
*
* @return void
*/
public function addMethodParamUses(array $references)
{
foreach ($references as $method_id => $method_param_uses) {
if (isset(self::$method_param_uses[$method_id])) {
foreach ($method_param_uses as $offset => $reference_map) {
if (isset(self::$method_param_uses[$method_id][$offset])) {
self::$method_param_uses[$method_id][$offset] = array_merge(
self::$method_param_uses[$method_id][$offset],
$reference_map
);
} else {
self::$method_param_uses[$method_id][$offset] = $reference_map;
}
}
} else {
self::$method_param_uses[$method_id] = $method_param_uses;
}
}
}
/**
* @param array<string, array<string,bool>> $references
*
* @return void
*/
public function setCallingMethodReferencesToClasses(array $references)
{
self::$method_references_to_classes = $references;
}
/**
* @param array<string, array<string,bool>> $references
*
* @return void
*/
public function setCallingMethodReferencesToClassMembers(array $references)
{
self::$method_references_to_class_members = $references;
}
/**
* @param array<string, array<string,bool>> $references
*
* @return void
*/
public function setCallingMethodReferencesToMissingClassMembers(array $references)
{
self::$method_references_to_missing_class_members = $references;
}
/**
* @param array<string, array<string,bool>> $references
*
* @return void
*/
public function setFileReferencesToClassMembers(array $references)
{
self::$file_references_to_class_members = $references;
}
/**
* @param array<string, array<string,bool>> $references
*
* @return void
*/
public function setFileReferencesToMissingClassMembers(array $references)
{
self::$file_references_to_missing_class_members = $references;
}
/**
* @param array<string, array<string,bool>> $references
*
* @return void
*/
public function setReferencesToMixedMemberNames(array $references)
{
self::$references_to_mixed_member_names = $references;
}
/**
* @param array<string, array<int, array<string, bool>>> $references
*
* @return void
*/
public function setMethodParamUses(array $references)
{
self::$method_param_uses = $references;
}
/**
* @param array<string, array<int, CodeLocation>> $references
*
* @return void
*/
public function addClassMethodLocations(array $references)
{
foreach ($references as $referenced_member_id => $locations) {
if (isset(self::$class_method_locations[$referenced_member_id])) {
self::$class_method_locations[$referenced_member_id] = array_merge(
self::$class_method_locations[$referenced_member_id],
$locations
);
} else {
self::$class_method_locations[$referenced_member_id] = $locations;
}
}
}
/**
* @param array<string, array<int, CodeLocation>> $references
*
* @return void
*/
public function addClassPropertyLocations(array $references)
{
foreach ($references as $referenced_member_id => $locations) {
if (isset(self::$class_property_locations[$referenced_member_id])) {
self::$class_property_locations[$referenced_member_id] = array_merge(
self::$class_property_locations[$referenced_member_id],
$locations
);
} else {
self::$class_property_locations[$referenced_member_id] = $locations;
}
}
}
/**
* @param array<string, array<int, CodeLocation>> $references
*
* @return void
*/
public function addClassLocations(array $references)
{
foreach ($references as $referenced_member_id => $locations) {
if (isset(self::$class_locations[$referenced_member_id])) {
self::$class_locations[$referenced_member_id] = array_merge(
self::$class_locations[$referenced_member_id],
$locations
);
} else {
self::$class_locations[$referenced_member_id] = $locations;
}
}
}
/**
* @return array<string, array<int, IssueData>>
*/
public function getExistingIssues() : array
{
return self::$issues;
}
/**
* @param string $file_path
*
* @return void
*/
public function clearExistingIssuesForFile($file_path)
{
unset(self::$issues[$file_path]);
}
/**
* @param string $file_path
* @param IssueData $issue
*
* @return void
*/
public function clearExistingFileMapsForFile($file_path)
{
unset(self::$file_maps[$file_path]);
}
/**
* @param string $file_path
* @param IssueData $issue
*
* @return void
*/
public function addIssue($file_path, IssueData $issue)
{
// dont save parse errors ever, as they're not responsive to AST diffing
if ($issue->type === 'ParseError') {
return;
}
if (!isset(self::$issues[$file_path])) {
self::$issues[$file_path] = [$issue];
} else {
self::$issues[$file_path][] = $issue;
}
}
/**
* @param array<string, array<string, int>> $analyzed_methods
*
* @return void
*/
public function setAnalyzedMethods(array $analyzed_methods)
{
self::$analyzed_methods = $analyzed_methods;
}
/**
* @param array<string, FileMapType> $file_maps
*/
public function setFileMaps(array $file_maps) : void
{
self::$file_maps = $file_maps;
}
/**
* @return array<string, array{int, int}>
*/
public function getTypeCoverage()
{
return self::$mixed_counts;
}
/**
* @param array<string, array{int, int}> $mixed_counts
*
* @return void
*/
public function setTypeCoverage(array $mixed_counts)
{
self::$mixed_counts = array_merge(self::$mixed_counts, $mixed_counts);
}
/**
* @return array<string, array<string, int>>
*/
public function getAnalyzedMethods()
{
return self::$analyzed_methods;
}
/**
* @return array<string, FileMapType>
*/
public function getFileMaps()
{
return self::$file_maps;
}
/**
* @return void
*/
public static function clearCache()
{
self::$files_inheriting_classes = [];
self::$deleted_files = null;
self::$file_references = [];
self::$file_references_to_class_members = [];
self::$method_references_to_class_members = [];
self::$method_references_to_classes = [];
self::$nonmethod_references_to_classes = [];
self::$file_references_to_missing_class_members = [];
self::$method_references_to_missing_class_members = [];
self::$references_to_mixed_member_names = [];
self::$class_method_locations = [];
self::$class_property_locations = [];
self::$analyzed_methods = [];
self::$issues = [];
self::$file_maps = [];
self::$method_param_uses = [];
self::$classlike_files = [];
}
}