clang-tools  7.0.0
UnusedReturnValueCheck.h
Go to the documentation of this file.
1 //===--- UnusedReturnValueCheck.h - clang-tidy-------------------*- C++ -*-===//
2 //
3 // The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 
10 #ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_UNUSEDRETURNVALUECHECK_H
11 #define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_UNUSEDRETURNVALUECHECK_H
12 
13 #include "../ClangTidy.h"
14 #include <string>
15 
16 namespace clang {
17 namespace tidy {
18 namespace bugprone {
19 
20 /// Detects function calls where the return value is unused.
21 ///
22 /// For the user-facing documentation see:
23 /// http://clang.llvm.org/extra/clang-tidy/checks/bugprone-unused-return-value.html
25 public:
26  UnusedReturnValueCheck(StringRef Name, ClangTidyContext *Context);
27  void storeOptions(ClangTidyOptions::OptionMap &Opts) override;
28  void registerMatchers(ast_matchers::MatchFinder *Finder) override;
29  void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
30 
31 private:
32  std::string CheckedFunctions;
33 };
34 
35 } // namespace bugprone
36 } // namespace tidy
37 } // namespace clang
38 
39 #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_UNUSEDRETURNVALUECHECK_H
llvm::StringRef Name
UnusedReturnValueCheck(StringRef Name, ClangTidyContext *Context)
Base class for all clang-tidy checks.
Definition: ClangTidy.h:127
void check(const ast_matchers::MatchFinder::MatchResult &Result) override
ClangTidyChecks that register ASTMatchers should do the actual work in here.
void registerMatchers(ast_matchers::MatchFinder *Finder) override
Override this to register AST matchers with Finder.
std::map< std::string, std::string > OptionMap
void storeOptions(ClangTidyOptions::OptionMap &Opts) override
Should store all options supported by this check with their current values or default values for opti...
===– Representation.cpp - ClangDoc Representation --------—*- C++ -*-===//
Every ClangTidyCheck reports errors through a DiagnosticsEngine provided by this context.
Detects function calls where the return value is unused.