| //===--- GoogleTidyModule.cpp - clang-tidy --------------------------------===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "GoogleTidyModule.h" |
| #include "../ClangTidy.h" |
| #include "../ClangTidyModule.h" |
| #include "../ClangTidyModuleRegistry.h" |
| #include "clang/AST/ASTContext.h" |
| #include "clang/ASTMatchers/ASTMatchFinder.h" |
| #include "clang/ASTMatchers/ASTMatchers.h" |
| #include "clang/Frontend/CompilerInstance.h" |
| #include "clang/Lex/PPCallbacks.h" |
| #include "clang/Lex/Preprocessor.h" |
| #include "llvm/Support/raw_ostream.h" |
| |
| using namespace clang::ast_matchers; |
| |
| namespace clang { |
| namespace tidy { |
| |
| void ExplicitConstructorCheck::registerMatchers(MatchFinder *Finder) { |
| Finder->addMatcher(constructorDecl().bind("ctor"), this); |
| } |
| |
| void ExplicitConstructorCheck::check(const MatchFinder::MatchResult &Result) { |
| const CXXConstructorDecl *Ctor = |
| Result.Nodes.getNodeAs<CXXConstructorDecl>("ctor"); |
| // Do not be confused: isExplicit means 'explicit' keyword is present, |
| // isImplicit means that it's a compiler-generated constructor. |
| if (Ctor->isOutOfLine() || Ctor->isExplicit() || Ctor->isImplicit()) |
| return; |
| if (Ctor->getNumParams() == 0 || Ctor->getMinRequiredArguments() > 1) |
| return; |
| SourceLocation Loc = Ctor->getLocation(); |
| diag(Loc, "Single-argument constructors must be explicit") |
| << FixItHint::CreateInsertion(Loc, "explicit "); |
| } |
| |
| class GoogleModule : public ClangTidyModule { |
| public: |
| void addCheckFactories(ClangTidyCheckFactories &CheckFactories) override { |
| CheckFactories.addCheckFactory( |
| "google-explicit-constructor", |
| new ClangTidyCheckFactory<ExplicitConstructorCheck>()); |
| } |
| }; |
| |
| // Register the GoogleTidyModule using this statically initialized variable. |
| static ClangTidyModuleRegistry::Add<GoogleModule> X("google-module", |
| "Adds Google lint checks."); |
| |
| // This anchor is used to force the linker to link in the generated object file |
| // and thus register the GoogleModule. |
| volatile int GoogleModuleAnchorSource = 0; |
| |
| } // namespace tidy |
| } // namespace clang |