clang-tools 20.0.0git
InefficientStringConcatenationCheck.h
Go to the documentation of this file.
1//===--- InefficientStringConcatenationCheck.h - clang-tidy-----------*- C++
2//-*-===//
3//
4// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
5// See https://llvm.org/LICENSE.txt for license information.
6// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7//
8//===----------------------------------------------------------------------===//
9
10#ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_PERFORMANCE_INEFFICIENTSTRINGCONCATENATION_H
11#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_PERFORMANCE_INEFFICIENTSTRINGCONCATENATION_H
12
13#include "../ClangTidyCheck.h"
14
16
17/// This check is to warn about the performance overhead arising from
18/// concatenating strings, using the operator+, instead of operator+=.
19///
20/// For the user-facing documentation see:
21/// http://clang.llvm.org/extra/clang-tidy/checks/performance/inefficient-string-concatenation.html
23public:
25 ClangTidyContext *Context);
26 bool isLanguageVersionSupported(const LangOptions &LangOpts) const override {
27 return LangOpts.CPlusPlus;
28 }
29 void registerMatchers(ast_matchers::MatchFinder *Finder) override;
30 void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
31 void storeOptions(ClangTidyOptions::OptionMap &Opts) override;
32
33private:
34 const bool StrictMode;
35};
36
37} // namespace clang::tidy::performance
38
39#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_PERFORMANCE_INEFFICIENTSTRINGCONCATENATION_H
llvm::SmallString< 256U > Name
Base class for all clang-tidy checks.
Every ClangTidyCheck reports errors through a DiagnosticsEngine provided by this context.
This check is to warn about the performance overhead arising from concatenating strings,...
void storeOptions(ClangTidyOptions::OptionMap &Opts) override
Should store all options supported by this check with their current values or default values for opti...
bool isLanguageVersionSupported(const LangOptions &LangOpts) const override
Override this to disable registering matchers and PP callbacks if an invalid language version is bein...
void registerMatchers(ast_matchers::MatchFinder *Finder) override
Override this to register AST matchers with Finder.
void check(const ast_matchers::MatchFinder::MatchResult &Result) override
ClangTidyChecks that register ASTMatchers should do the actual work in here.
llvm::StringMap< ClangTidyValue > OptionMap