clang-tools  11.0.0git
UnusedAliasDeclsCheck.h
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1 //===--- UnusedAliasDeclsCheck.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_MISC_UNUSED_ALIAS_DECLS_H
10 #define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MISC_UNUSED_ALIAS_DECLS_H
11 
12 #include "../ClangTidyCheck.h"
13 #include "llvm/ADT/DenseMap.h"
14 
15 namespace clang {
16 namespace tidy {
17 namespace misc {
18 
19 /// Finds unused namespace alias declarations.
21 public:
23  : ClangTidyCheck(Name, Context) {}
24  bool isLanguageVersionSupported(const LangOptions &LangOpts) const override {
25  return LangOpts.CPlusPlus11;
26  }
27  void registerMatchers(ast_matchers::MatchFinder *Finder) override;
28  void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
29  void onEndOfTranslationUnit() override;
30 
31 private:
32  llvm::DenseMap<const NamedDecl *, CharSourceRange> FoundDecls;
33 };
34 
35 } // namespace misc
36 } // namespace tidy
37 } // namespace clang
38 
39 #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MISC_UNUSED_ALIAS_DECLS_H
void registerMatchers(ast_matchers::MatchFinder *Finder) override
Override this to register AST matchers with Finder.
UnusedAliasDeclsCheck(StringRef Name, ClangTidyContext *Context)
void check(const ast_matchers::MatchFinder::MatchResult &Result) override
ClangTidyChecks that register ASTMatchers should do the actual work in here.
Finds unused namespace alias declarations.
Base class for all clang-tidy checks.
bool isLanguageVersionSupported(const LangOptions &LangOpts) const override
Override this to disable registering matchers and PP callbacks if an invalid language version is bein...
static constexpr llvm::StringLiteral Name
===– Representation.cpp - ClangDoc Representation --------—*- C++ -*-===//
Every ClangTidyCheck reports errors through a DiagnosticsEngine provided by this context.