clang-tools  11.0.0git
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clang::tidy::misc::UnusedAliasDeclsCheck Class Reference

Finds unused namespace alias declarations. More...

#include <UnusedAliasDeclsCheck.h>

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Public Member Functions

 UnusedAliasDeclsCheck (StringRef Name, ClangTidyContext *Context)
 
bool isLanguageVersionSupported (const LangOptions &LangOpts) const override
 Override this to disable registering matchers and PP callbacks if an invalid language version is being used. More...
 
void registerMatchers (ast_matchers::MatchFinder *Finder) override
 Override this to register AST matchers with Finder. More...
 
void check (const ast_matchers::MatchFinder::MatchResult &Result) override
 ClangTidyChecks that register ASTMatchers should do the actual work in here. More...
 
void onEndOfTranslationUnit () override
 
- Public Member Functions inherited from clang::tidy::ClangTidyCheck
 ClangTidyCheck (StringRef CheckName, ClangTidyContext *Context)
 Initializes the check with CheckName and Context. More...
 
virtual void registerPPCallbacks (const SourceManager &SM, Preprocessor *PP, Preprocessor *ModuleExpanderPP)
 Override this to register PPCallbacks in the preprocessor. More...
 
DiagnosticBuilder diag (SourceLocation Loc, StringRef Description, DiagnosticIDs::Level Level=DiagnosticIDs::Warning)
 Add a diagnostic with the check's name. More...
 
virtual void storeOptions (ClangTidyOptions::OptionMap &Options)
 Should store all options supported by this check with their current values or default values for options that haven't been overridden. More...
 

Additional Inherited Members

- Protected Member Functions inherited from clang::tidy::ClangTidyCheck
StringRef getCurrentMainFile () const
 Returns the main file name of the current translation unit. More...
 
const LangOptions & getLangOpts () const
 Returns the language options from the context. More...
 
- Protected Attributes inherited from clang::tidy::ClangTidyCheck
OptionsView Options
 

Detailed Description

Finds unused namespace alias declarations.

Definition at line 20 of file UnusedAliasDeclsCheck.h.

Constructor & Destructor Documentation

◆ UnusedAliasDeclsCheck()

clang::tidy::misc::UnusedAliasDeclsCheck::UnusedAliasDeclsCheck ( StringRef  Name,
ClangTidyContext Context 
)
inline

Definition at line 22 of file UnusedAliasDeclsCheck.h.

Member Function Documentation

◆ check()

void clang::tidy::misc::UnusedAliasDeclsCheck::check ( const ast_matchers::MatchFinder::MatchResult &  Result)
overridevirtual

ClangTidyChecks that register ASTMatchers should do the actual work in here.

Reimplemented from clang::tidy::ClangTidyCheck.

Definition at line 28 of file UnusedAliasDeclsCheck.cpp.

◆ isLanguageVersionSupported()

bool clang::tidy::misc::UnusedAliasDeclsCheck::isLanguageVersionSupported ( const LangOptions &  LangOpts) const
inlineoverridevirtual

Override this to disable registering matchers and PP callbacks if an invalid language version is being used.

For example if a check is examining overloaded functions then this should be overridden to return false when the CPlusPlus flag is not set in LangOpts.

Reimplemented from clang::tidy::ClangTidyCheck.

Definition at line 24 of file UnusedAliasDeclsCheck.h.

◆ onEndOfTranslationUnit()

void clang::tidy::misc::UnusedAliasDeclsCheck::onEndOfTranslationUnit ( )
override

Definition at line 47 of file UnusedAliasDeclsCheck.cpp.

◆ registerMatchers()

void clang::tidy::misc::UnusedAliasDeclsCheck::registerMatchers ( ast_matchers::MatchFinder *  Finder)
overridevirtual

Override this to register AST matchers with Finder.

This should be used by clang-tidy checks that analyze code properties that dependent on AST knowledge.

You can register as many matchers as necessary with Finder. Usually, "this" will be used as callback, but you can also specify other callback classes. Thereby, different matchers can trigger different callbacks.

This will only be executed if the function isLanguageVersionSupported returns true.

If you need to merge information between the different matchers, you can store these as members of the derived class. However, note that all matches occur in the order of the AST traversal.

Reimplemented from clang::tidy::ClangTidyCheck.

Definition at line 20 of file UnusedAliasDeclsCheck.cpp.


The documentation for this class was generated from the following files: