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//===--- LambdaFunctionNameCheck.h - clang-tidy------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_LAMBDAFUNCTIONNAMECHECK_H
#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_LAMBDAFUNCTIONNAMECHECK_H
#include "../ClangTidyCheck.h"
namespace clang {
namespace tidy {
namespace bugprone {
/// Detect when __func__ or __FUNCTION__ is being used from within a lambda. In
/// that context, those expressions expand to the name of the call operator
/// (i.e., `operator()`).
///
/// For the user-facing documentation see:
/// http://clang.llvm.org/extra/clang-tidy/checks/bugprone-lambda-function-name.html
class LambdaFunctionNameCheck : public ClangTidyCheck {
public:
struct SourceRangeLessThan {
bool operator()(const SourceRange &L, const SourceRange &R) const {
if (L.getBegin() == R.getBegin()) {
return L.getEnd() < R.getEnd();
}
return L.getBegin() < R.getBegin();
}
};
using SourceRangeSet = std::set<SourceRange, SourceRangeLessThan>;
LambdaFunctionNameCheck(StringRef Name, ClangTidyContext *Context)
: ClangTidyCheck(Name, Context) {}
void registerMatchers(ast_matchers::MatchFinder *Finder) override;
void registerPPCallbacks(const SourceManager &SM, Preprocessor *PP,
Preprocessor *ModuleExpanderPP) override;
void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
private:
SourceRangeSet SuppressMacroExpansions;
};
} // namespace bugprone
} // namespace tidy
} // namespace clang
#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_LAMBDAFUNCTIONNAMECHECK_H
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