clang-tools  14.0.0git
InefficientStringConcatenationCheck.h
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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 
15 namespace clang {
16 namespace tidy {
17 namespace performance {
18 
19 /// This check is to warn about the performance overhead arising from
20 /// concatenating strings, using the operator+, instead of operator+=.
21 ///
22 /// For the user-facing documentation see:
23 /// http://clang.llvm.org/extra/clang-tidy/checks/performance-inefficient-string-concatenation.html
25 public:
27  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 
35 private:
36  const bool StrictMode;
37 };
38 
39 } // namespace performance
40 } // namespace tidy
41 } // namespace clang
42 
43 #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_PERFORMANCE_INEFFICIENTSTRINGCONCATENATION_H
clang::tidy::ClangTidyOptions::OptionMap
llvm::StringMap< ClangTidyValue > OptionMap
Definition: ClangTidyOptions.h:115
clang::tidy::ClangTidyCheck
Base class for all clang-tidy checks.
Definition: ClangTidyCheck.h:54
clang::tidy::performance::InefficientStringConcatenationCheck::check
void check(const ast_matchers::MatchFinder::MatchResult &Result) override
ClangTidyChecks that register ASTMatchers should do the actual work in here.
Definition: InefficientStringConcatenationCheck.cpp:67
clang::tidy::performance::InefficientStringConcatenationCheck
This check is to warn about the performance overhead arising from concatenating strings,...
Definition: InefficientStringConcatenationCheck.h:24
clang::tidy::ClangTidyContext
Every ClangTidyCheck reports errors through a DiagnosticsEngine provided by this context.
Definition: ClangTidyDiagnosticConsumer.h:72
Name
static constexpr llvm::StringLiteral Name
Definition: UppercaseLiteralSuffixCheck.cpp:28
clang::tidy::performance::InefficientStringConcatenationCheck::storeOptions
void storeOptions(ClangTidyOptions::OptionMap &Opts) override
Should store all options supported by this check with their current values or default values for opti...
Definition: InefficientStringConcatenationCheck.cpp:19
clang
===– Representation.cpp - ClangDoc Representation --------—*- C++ -*-===//
Definition: ApplyReplacements.h:27
clang::tidy::performance::InefficientStringConcatenationCheck::InefficientStringConcatenationCheck
InefficientStringConcatenationCheck(StringRef Name, ClangTidyContext *Context)
Definition: InefficientStringConcatenationCheck.cpp:24
clang::tidy::performance::InefficientStringConcatenationCheck::isLanguageVersionSupported
bool isLanguageVersionSupported(const LangOptions &LangOpts) const override
Override this to disable registering matchers and PP callbacks if an invalid language version is bein...
Definition: InefficientStringConcatenationCheck.h:28
clang::tidy::performance::InefficientStringConcatenationCheck::registerMatchers
void registerMatchers(ast_matchers::MatchFinder *Finder) override
Override this to register AST matchers with Finder.
Definition: InefficientStringConcatenationCheck.cpp:29