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UsingNamespaceDirectiveCheck.h
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1 //===--- UsingNamespaceDirectiveCheck.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_GOOGLE_USINGNAMESPACEDIRECTIVECHECK_H
11 #define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_GOOGLE_USINGNAMESPACEDIRECTIVECHECK_H
12
13 #include "../ClangTidy.h"
14
15 namespace clang {
16 namespace tidy {
17 namespace google {
18 namespace build {
19
20 /// Finds using namespace directives.
21 ///
22 /// http://google-styleguide.googlecode.com/svn/trunk/cppguide.xml?showone=Namespaces#Namespaces
23 ///
24 /// The check implements the following rule of the Google C++ Style Guide:
25 ///
26 /// You may not use a using-directive to make all names from a namespace
27 /// available.
28 ///
29 /// \code
30 /// // Forbidden -- This pollutes the namespace.
31 /// using namespace foo;
32 /// \endcode
33 ///
34 /// Corresponding cpplint.py check name: `build/namespaces`.
35 class UsingNamespaceDirectiveCheck : public ClangTidyCheck {
36 public:
37 UsingNamespaceDirectiveCheck(StringRef Name, ClangTidyContext *Context)
38 : ClangTidyCheck(Name, Context) {}
39 void registerMatchers(ast_matchers::MatchFinder *Finder) override;
40 void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
41 };
42
43 } // namespace build
44 } // namespace google
45 } // namespace tidy
46 } // namespace clang
47
48 #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_GOOGLE_USINGNAMESPACEDIRECTIVECHECK_H
Name
StringHandle Name
Definition: PreprocessorTracker.cpp:525
Finder
std::unique_ptr< ast_matchers::MatchFinder > Finder
Definition: ClangTidy.cpp:188
clang::tidy::ClangTidyCheck
Base class for all clang-tidy checks.
Definition: ClangTidy.h:102
clang::tidy::google::build::UsingNamespaceDirectiveCheck::UsingNamespaceDirectiveCheck
UsingNamespaceDirectiveCheck(StringRef Name, ClangTidyContext *Context)
Definition: UsingNamespaceDirectiveCheck.h:37
clang::tidy::google::build::UsingNamespaceDirectiveCheck::registerMatchers
void registerMatchers(ast_matchers::MatchFinder *Finder) override
Override this to register ASTMatchers with Finder.
Definition: UsingNamespaceDirectiveCheck.cpp:22
clang::tidy::google::build::UsingNamespaceDirectiveCheck::check
void check(const ast_matchers::MatchFinder::MatchResult &Result) override
ClangTidyChecks that register ASTMatchers should do the actual work in here.
Definition: UsingNamespaceDirectiveCheck.cpp:31
clang::tidy::google::build::UsingNamespaceDirectiveCheck
Finds using namespace directives.
Definition: UsingNamespaceDirectiveCheck.h:35
clang::tidy::ClangTidyContext
Every ClangTidyCheck reports errors through a DiagnosticsEngine provided by this context.
Definition: ClangTidyDiagnosticConsumer.h:124
Result
const NamedDecl * Result
Definition: USRFinder.cpp:121