1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
|
//===--- UnusedReturnValueCheck.h - clang-tidy-------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_UNUSEDRETURNVALUECHECK_H
#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_UNUSEDRETURNVALUECHECK_H
#include "../ClangTidyCheck.h"
#include <string>
namespace clang::tidy::bugprone {
/// Detects function calls where the return value is unused.
///
/// For the user-facing documentation see:
/// http://clang.llvm.org/extra/clang-tidy/checks/bugprone/unused-return-value.html
class UnusedReturnValueCheck : public ClangTidyCheck {
public:
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 {
return TK_IgnoreUnlessSpelledInSource;
}
private:
const std::vector<StringRef> CheckedFunctions;
const std::vector<StringRef> CheckedReturnTypes;
protected:
UnusedReturnValueCheck(StringRef Name, ClangTidyContext *Context,
std::vector<StringRef> CheckedFunctions);
UnusedReturnValueCheck(StringRef Name, ClangTidyContext *Context,
std::vector<StringRef> CheckedFunctions,
std::vector<StringRef> CheckedReturnTypes,
bool AllowCastToVoid);
bool AllowCastToVoid;
};
} // namespace clang::tidy::bugprone
#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_UNUSEDRETURNVALUECHECK_H
|
