clang-tools  14.0.0git
MultipleInheritanceCheck.h
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1 //===--- MultipleInheritanceCheck.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_FUCHSIA_MULTIPLE_INHERITANCE_H
10 #define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_FUCHSIA_MULTIPLE_INHERITANCE_H
11 
12 #include "../ClangTidyCheck.h"
13 
14 namespace clang {
15 namespace tidy {
16 namespace fuchsia {
17 
18 /// Multiple implementation inheritance is discouraged.
19 ///
20 /// For the user-facing documentation see:
21 /// http://clang.llvm.org/extra/clang-tidy/checks/fuchsia-multiple-inheritance.html
23 public:
25  : ClangTidyCheck(Name, Context) {}
26  bool isLanguageVersionSupported(const LangOptions &LangOpts) const override {
27  return LangOpts.CPlusPlus;
28  }
29  void registerMatchers(ast_matchers::MatchFinder *Finder) override;
30  void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
31 
32  void onEndOfTranslationUnit() override { InterfaceMap.clear(); }
33 
34 private:
35  void addNodeToInterfaceMap(const CXXRecordDecl *Node, bool IsInterface);
36  bool getInterfaceStatus(const CXXRecordDecl *Node, bool &IsInterface) const;
37  bool isCurrentClassInterface(const CXXRecordDecl *Node) const;
38  bool isInterface(const CXXRecordDecl *Node);
39 
40  // Contains the identity of each named CXXRecord as an interface. This is
41  // used to memoize lookup speeds and improve performance from O(N^2) to O(N),
42  // where N is the number of classes.
43  llvm::StringMap<bool> InterfaceMap;
44 };
45 
46 } // namespace fuchsia
47 } // namespace tidy
48 } // namespace clang
49 
50 #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_FUCHSIA_MULTIPLE_INHERITANCE_H
clang::tidy::fuchsia::MultipleInheritanceCheck::isLanguageVersionSupported
bool isLanguageVersionSupported(const LangOptions &LangOpts) const override
Override this to disable registering matchers and PP callbacks if an invalid language version is bein...
Definition: MultipleInheritanceCheck.h:26
clang::tidy::fuchsia::MultipleInheritanceCheck::registerMatchers
void registerMatchers(ast_matchers::MatchFinder *Finder) override
Override this to register AST matchers with Finder.
Definition: MultipleInheritanceCheck.cpp:90
clang::tidy::fuchsia::MultipleInheritanceCheck::check
void check(const ast_matchers::MatchFinder::MatchResult &Result) override
ClangTidyChecks that register ASTMatchers should do the actual work in here.
Definition: MultipleInheritanceCheck.cpp:96
clang::tidy::fuchsia::MultipleInheritanceCheck::onEndOfTranslationUnit
void onEndOfTranslationUnit() override
Definition: MultipleInheritanceCheck.h:32
clang::tidy::ClangTidyCheck
Base class for all clang-tidy checks.
Definition: ClangTidyCheck.h:54
clang::tidy::fuchsia::MultipleInheritanceCheck
Multiple implementation inheritance is discouraged.
Definition: MultipleInheritanceCheck.h:22
clang::tidy::fuchsia::MultipleInheritanceCheck::MultipleInheritanceCheck
MultipleInheritanceCheck(StringRef Name, ClangTidyContext *Context)
Definition: MultipleInheritanceCheck.h:24
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
===– Representation.cpp - ClangDoc Representation --------—*- C++ -*-===//
Definition: ApplyReplacements.h:27