1//===--- UnusedLocalNonTrivialVariableCheck.h - clang-tidy ------*- C++ -*-===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9#ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_UNUSEDLOCALNONTRIVIALVARIABLECHECK_H
10#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_UNUSEDLOCALNONTRIVIALVARIABLECHECK_H
11
12#include "../ClangTidyCheck.h"
13
14namespace clang::tidy::bugprone {
15
16/// Warns when a local non trivial variable is unused within a function. By
17/// default std::.*mutex and std::future are included.
18///
19/// The check supports these options:
20/// - 'IncludeTypes': a semicolon-separated list of regular expressions
21/// matching types to ensure must be used.
22/// - 'ExcludeTypes': a semicolon-separated list of regular expressions
23/// matching types that are excluded from the
24/// 'IncludeTypes' matches.
25///
26/// For the user-facing documentation see:
27/// http://clang.llvm.org/extra/clang-tidy/checks/bugprone/unused-local-non-trivial-variable.html
28class UnusedLocalNonTrivialVariableCheck : public ClangTidyCheck {
29public:
30 UnusedLocalNonTrivialVariableCheck(StringRef Name, ClangTidyContext *Context);
31 void registerMatchers(ast_matchers::MatchFinder *Finder) override;
32 void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
33 void storeOptions(ClangTidyOptions::OptionMap &Opts) override;
34 bool isLanguageVersionSupported(const LangOptions &LangOpts) const override;
35 std::optional<TraversalKind> getCheckTraversalKind() const override;
36
37private:
38 const std::vector<StringRef> IncludeTypes;
39 const std::vector<StringRef> ExcludeTypes;
40};
41
42} // namespace clang::tidy::bugprone
43
44#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_UNUSEDLOCALNONTRIVIALVARIABLECHECK_H
45

source code of clang-tools-extra/clang-tidy/bugprone/UnusedLocalNonTrivialVariableCheck.h