clang-tools 20.0.0git
FasterStringFindCheck.h
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1//===--- FasterStringFindCheck.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_PERFORMANCE_FASTER_STRING_FIND_H
10#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_PERFORMANCE_FASTER_STRING_FIND_H
11
12#include "../ClangTidyCheck.h"
13
14#include <string>
15#include <vector>
16
18
19/// Optimize calls to std::string::find() and friends when the needle passed is
20/// a single character string literal.
21/// The character literal overload is more efficient.
22///
23/// For the user-facing documentation see:
24/// http://clang.llvm.org/extra/clang-tidy/checks/performance/faster-string-find.html
26public:
27 FasterStringFindCheck(StringRef Name, ClangTidyContext *Context);
28 bool isLanguageVersionSupported(const LangOptions &LangOpts) const override{
29 return LangOpts.CPlusPlus;
30 }
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
35private:
36 const std::vector<StringRef> StringLikeClasses;
37};
38
39} // namespace clang::tidy::performance
40
41#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_PERFORMANCE_FASTER_STRING_FIND_H
llvm::SmallString< 256U > Name
Base class for all clang-tidy checks.
Every ClangTidyCheck reports errors through a DiagnosticsEngine provided by this context.
Optimize calls to std::string::find() and friends when the needle passed is a single character string...
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.
void storeOptions(ClangTidyOptions::OptionMap &Opts) override
Should store all options supported by this check with their current values or default values for opti...
llvm::StringMap< ClangTidyValue > OptionMap