clang-tools: clang::tidy::bugprone::UnusedReturnValueCheck Class Reference

clang-tools 22.0.0git

Detects function calls where the return value is unused. More...

#include <UnusedReturnValueCheck.h>

Inheritance diagram for clang::tidy::bugprone::UnusedReturnValueCheck:

Public Member Functions
	UnusedReturnValueCheck (StringRef Name, ClangTidyContext *Context)
void	storeOptions (ClangTidyOptions::OptionMap &Opts) override
void	registerMatchers (ast_matchers::MatchFinder *Finder) override
void	check (const ast_matchers::MatchFinder::MatchResult &Result) override
std::optional< TraversalKind >	getCheckTraversalKind () const override

Protected Member Functions
	UnusedReturnValueCheck (StringRef Name, ClangTidyContext *Context, std::vector< StringRef > CheckedFunctions)
	UnusedReturnValueCheck (StringRef Name, ClangTidyContext *Context, std::vector< StringRef > CheckedFunctions, std::vector< StringRef > CheckedReturnTypes, bool AllowCastToVoid)

Protected Attributes
bool	AllowCastToVoid

Detailed Description

Detects function calls where the return value is unused.

For the user-facing documentation see: https://clang.llvm.org/extra/clang-tidy/checks/bugprone/unused-return-value.html

Definition at line 21 of file UnusedReturnValueCheck.h.

Constructor & Destructor Documentation

◆ UnusedReturnValueCheck() [1/3]

clang::tidy::bugprone::UnusedReturnValueCheck::UnusedReturnValueCheck	(	StringRef	Name,
		ClangTidyContext *	Context )

Referenced by clang::tidy::hicpp::IgnoredRemoveResultCheck::IgnoredRemoveResultCheck().

◆ UnusedReturnValueCheck() [2/3]

clang::tidy::bugprone::UnusedReturnValueCheck::UnusedReturnValueCheck	(	StringRef	Name,
		ClangTidyContext *	Context,
		std::vector< StringRef >	CheckedFunctions )

protected

◆ UnusedReturnValueCheck() [3/3]

clang::tidy::bugprone::UnusedReturnValueCheck::UnusedReturnValueCheck	(	StringRef	Name,
		ClangTidyContext *	Context,
		std::vector< StringRef >	CheckedFunctions,
		std::vector< StringRef >	CheckedReturnTypes,
		bool	AllowCastToVoid )

protected

References AllowCastToVoid.

Member Function Documentation

◆ check()

void clang::tidy::bugprone::UnusedReturnValueCheck::check ( const ast_matchers::MatchFinder::MatchResult & Result )

override

Definition at line 217 of file UnusedReturnValueCheck.cpp.

References AllowCastToVoid, and check().

Referenced by check().

◆ getCheckTraversalKind()

std::optional< TraversalKind > clang::tidy::bugprone::UnusedReturnValueCheck::getCheckTraversalKind ( ) const

inlineoverride

Definition at line 27 of file UnusedReturnValueCheck.h.

◆ registerMatchers()

void clang::tidy::bugprone::UnusedReturnValueCheck::registerMatchers ( ast_matchers::MatchFinder * Finder )

override

Definition at line 172 of file UnusedReturnValueCheck.cpp.

References AllowCastToVoid, clang::tidy::matchers::matchesAnyListedName(), and registerMatchers().

Referenced by registerMatchers().

◆ storeOptions()

void clang::tidy::bugprone::UnusedReturnValueCheck::storeOptions ( ClangTidyOptions::OptionMap & Opts )

override

Definition at line 164 of file UnusedReturnValueCheck.cpp.

References AllowCastToVoid, clang::tidy::utils::options::serializeStringList(), and storeOptions().

Referenced by storeOptions().

Member Data Documentation

◆ AllowCastToVoid

bool clang::tidy::bugprone::UnusedReturnValueCheck::AllowCastToVoid

protected

Definition at line 42 of file UnusedReturnValueCheck.h.

Referenced by check(), registerMatchers(), storeOptions(), clang::tidy::hicpp::IgnoredRemoveResultCheck::storeOptions(), and UnusedReturnValueCheck().

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