clang-tools  4.0.0
FasterStringFindCheck.h
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1 //===--- FasterStringFindCheck.h - clang-tidy--------------------*- C++ -*-===//
2 //
3 // The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 
10 #ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_PERFORMANCE_FASTER_STRING_FIND_H
11 #define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_PERFORMANCE_FASTER_STRING_FIND_H
12 
13 #include "../ClangTidy.h"
14 
15 #include <string>
16 #include <vector>
17 
18 namespace clang {
19 namespace tidy {
20 namespace performance {
21 
22 /// Optimize calls to std::string::find() and friends when the needle passed is
23 /// a single character string literal.
24 /// The character literal overload is more efficient.
25 ///
26 /// For the user-facing documentation see:
27 /// http://clang.llvm.org/extra/clang-tidy/checks/performance-faster-string-find.html
29 public:
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 std::vector<std::string> StringLikeClasses;
37 };
38 
39 } // namespace performance
40 } // namespace tidy
41 } // namespace clang
42 
43 #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_PERFORMANCE_FASTER_STRING_FIND_H
void storeOptions(ClangTidyOptions::OptionMap &Opts) override
Should store all options supported by this check with their current values or default values for opti...
const std::string Name
Definition: USRFinder.cpp:164
std::unique_ptr< ast_matchers::MatchFinder > Finder
Definition: ClangTidy.cpp:262
void check(const ast_matchers::MatchFinder::MatchResult &Result) override
ClangTidyChecks that register ASTMatchers should do the actual work in here.
Base class for all clang-tidy checks.
Definition: ClangTidy.h:127
Optimize calls to std::string::find() and friends when the needle passed is a single character string...
std::map< std::string, std::string > OptionMap
void registerMatchers(ast_matchers::MatchFinder *Finder) override
Override this to register AST matchers with Finder.
FasterStringFindCheck(StringRef Name, ClangTidyContext *Context)
ClangTidyContext & Context
Definition: ClangTidy.cpp:87
Every ClangTidyCheck reports errors through a DiagnosticsEngine provided by this context.
const NamedDecl * Result
Definition: USRFinder.cpp:162