llvm-project/clang-tools-extra/clang-tidy/google/UsingNamespaceDirectiveCheck.h

49 lines
1.5 KiB
C++

//===--- UsingNamespaceDirectiveCheck.h - clang-tidy ------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_GOOGLE_USINGNAMESPACEDIRECTIVECHECK_H
#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_GOOGLE_USINGNAMESPACEDIRECTIVECHECK_H
#include "../ClangTidy.h"
namespace clang {
namespace tidy {
namespace google {
namespace build {
/// Finds using namespace directives.
///
/// https://google.github.io/styleguide/cppguide.html#Namespaces
///
/// The check implements the following rule of the Google C++ Style Guide:
///
/// You may not use a using-directive to make all names from a namespace
/// available.
///
/// \code
/// // Forbidden -- This pollutes the namespace.
/// using namespace foo;
/// \endcode
///
/// Corresponding cpplint.py check name: `build/namespaces`.
class UsingNamespaceDirectiveCheck : public ClangTidyCheck {
public:
UsingNamespaceDirectiveCheck(StringRef Name, ClangTidyContext *Context)
: ClangTidyCheck(Name, Context) {}
void registerMatchers(ast_matchers::MatchFinder *Finder) override;
void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
};
} // namespace build
} // namespace google
} // namespace tidy
} // namespace clang
#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_GOOGLE_USINGNAMESPACEDIRECTIVECHECK_H