clang-tools  14.0.0git
LambdaFunctionNameCheck.h
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1 //===--- LambdaFunctionNameCheck.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_BUGPRONE_LAMBDAFUNCTIONNAMECHECK_H
10 #define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_LAMBDAFUNCTIONNAMECHECK_H
11 
12 #include "../ClangTidyCheck.h"
13 
14 namespace clang {
15 namespace tidy {
16 namespace bugprone {
17 
18 /// Detect when __func__ or __FUNCTION__ is being used from within a lambda. In
19 /// that context, those expressions expand to the name of the call operator
20 /// (i.e., `operator()`).
21 ///
22 /// For the user-facing documentation see:
23 /// http://clang.llvm.org/extra/clang-tidy/checks/bugprone-lambda-function-name.html
25 public:
27  bool operator()(const SourceRange &L, const SourceRange &R) const {
28  if (L.getBegin() == R.getBegin()) {
29  return L.getEnd() < R.getEnd();
30  }
31  return L.getBegin() < R.getBegin();
32  }
33  };
34  using SourceRangeSet = std::set<SourceRange, SourceRangeLessThan>;
35 
37  : ClangTidyCheck(Name, Context) {}
38  void registerMatchers(ast_matchers::MatchFinder *Finder) override;
39  void registerPPCallbacks(const SourceManager &SM, Preprocessor *PP,
40  Preprocessor *ModuleExpanderPP) override;
41  void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
42 
43 private:
44  SourceRangeSet SuppressMacroExpansions;
45 };
46 
47 } // namespace bugprone
48 } // namespace tidy
49 } // namespace clang
50 
51 #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_LAMBDAFUNCTIONNAMECHECK_H
clang::tidy::bugprone::LambdaFunctionNameCheck::LambdaFunctionNameCheck
LambdaFunctionNameCheck(StringRef Name, ClangTidyContext *Context)
Definition: LambdaFunctionNameCheck.h:36
clang::tidy::bugprone::LambdaFunctionNameCheck::SourceRangeSet
std::set< SourceRange, SourceRangeLessThan > SourceRangeSet
Definition: LambdaFunctionNameCheck.h:34
clang::tidy::bugprone::LambdaFunctionNameCheck::registerPPCallbacks
void registerPPCallbacks(const SourceManager &SM, Preprocessor *PP, Preprocessor *ModuleExpanderPP) override
Override this to register PPCallbacks in the preprocessor.
Definition: LambdaFunctionNameCheck.cpp:67
clang::tidy::ClangTidyCheck
Base class for all clang-tidy checks.
Definition: ClangTidyCheck.h:54
clang::tidy::bugprone::LambdaFunctionNameCheck
Detect when func or FUNCTION is being used from within a lambda.
Definition: LambdaFunctionNameCheck.h:24
clang::tidy::bugprone::LambdaFunctionNameCheck::SourceRangeLessThan
Definition: LambdaFunctionNameCheck.h:26
clang::tidy::bugprone::LambdaFunctionNameCheck::registerMatchers
void registerMatchers(ast_matchers::MatchFinder *Finder) override
Override this to register AST matchers with Finder.
Definition: LambdaFunctionNameCheck.cpp:61
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::bugprone::LambdaFunctionNameCheck::SourceRangeLessThan::operator()
bool operator()(const SourceRange &L, const SourceRange &R) const
Definition: LambdaFunctionNameCheck.h:27
clang::tidy::bugprone::LambdaFunctionNameCheck::check
void check(const ast_matchers::MatchFinder::MatchResult &Result) override
ClangTidyChecks that register ASTMatchers should do the actual work in here.
Definition: LambdaFunctionNameCheck.cpp:73
clang::tidy::bugprone::PP
static Preprocessor * PP
Definition: BadSignalToKillThreadCheck.cpp:29
clang
===– Representation.cpp - ClangDoc Representation --------—*- C++ -*-===//
Definition: ApplyReplacements.h:27
SM
const SourceManager & SM
Definition: IncludeCleaner.cpp:140