clang-tools  14.0.0git
RedundantStrcatCallsCheck.h
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1 //===--- RedundantStrcatCallsCheck.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_ABSEIL_REDUNDANTSTRCATCALLSCHECK_H
10 #define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_ABSEIL_REDUNDANTSTRCATCALLSCHECK_H
11 
12 #include "../ClangTidyCheck.h"
13 
14 namespace clang {
15 namespace tidy {
16 namespace abseil {
17 
18 /// Flags redundant calls to absl::StrCat when the result is being passed to
19 /// another call of absl::StrCat/absl::StrAppend. Also suggests a fix to
20 /// collapse the calls.
21 /// Example:
22 /// StrCat(1, StrCat(2, 3)) ==> StrCat(1, 2, 3)
23 ///
24 /// For the user-facing documentation see:
25 /// http://clang.llvm.org/extra/clang-tidy/checks/abseil-redundant-strcat-calls.html
27 public:
29  : ClangTidyCheck(Name, Context) {}
30  bool isLanguageVersionSupported(const LangOptions &LangOpts) const override {
31  return LangOpts.CPlusPlus;
32  }
33  void registerMatchers(ast_matchers::MatchFinder *Finder) override;
34  void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
35 };
36 
37 } // namespace abseil
38 } // namespace tidy
39 } // namespace clang
40 
41 #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_ABSEIL_REDUNDANTSTRCATCALLSCHECK_H
clang::tidy::ClangTidyCheck
Base class for all clang-tidy checks.
Definition: ClangTidyCheck.h:54
clang::tidy::abseil::RedundantStrcatCallsCheck
Flags redundant calls to absl::StrCat when the result is being passed to another call of absl::StrCat...
Definition: RedundantStrcatCallsCheck.h:26
clang::tidy::abseil::RedundantStrcatCallsCheck::check
void check(const ast_matchers::MatchFinder::MatchResult &Result) override
ClangTidyChecks that register ASTMatchers should do the actual work in here.
Definition: RedundantStrcatCallsCheck.cpp:107
clang::tidy::ClangTidyContext
Every ClangTidyCheck reports errors through a DiagnosticsEngine provided by this context.
Definition: ClangTidyDiagnosticConsumer.h:71
Name
static constexpr llvm::StringLiteral Name
Definition: UppercaseLiteralSuffixCheck.cpp:28
clang::tidy::abseil::RedundantStrcatCallsCheck::registerMatchers
void registerMatchers(ast_matchers::MatchFinder *Finder) override
Override this to register AST matchers with Finder.
Definition: RedundantStrcatCallsCheck.cpp:27
clang::tidy::abseil::RedundantStrcatCallsCheck::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: RedundantStrcatCallsCheck.h:30
clang
===– Representation.cpp - ClangDoc Representation --------—*- C++ -*-===//
Definition: ApplyReplacements.h:27
clang::tidy::abseil::RedundantStrcatCallsCheck::RedundantStrcatCallsCheck
RedundantStrcatCallsCheck(StringRef Name, ClangTidyContext *Context)
Definition: RedundantStrcatCallsCheck.h:28