1 //===--- DefaultArgumentsCheck.cpp - clang-tidy----------------------------===// 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 #include "DefaultArgumentsCheck.h" 10 #include "clang/AST/ASTContext.h" 11 #include "clang/ASTMatchers/ASTMatchFinder.h" 12 13 using namespace clang::ast_matchers; 14 15 namespace clang::tidy::google { 16 registerMatchers(MatchFinder * Finder)17void DefaultArgumentsCheck::registerMatchers(MatchFinder *Finder) { 18 Finder->addMatcher( 19 cxxMethodDecl(anyOf(isOverride(), isVirtual()), 20 hasAnyParameter(parmVarDecl(hasInitializer(expr())))) 21 .bind("Decl"), 22 this); 23 } 24 check(const MatchFinder::MatchResult & Result)25void DefaultArgumentsCheck::check(const MatchFinder::MatchResult &Result) { 26 const auto *MatchedDecl = Result.Nodes.getNodeAs<CXXMethodDecl>("Decl"); 27 diag(MatchedDecl->getLocation(), 28 "default arguments on virtual or override methods are prohibited"); 29 } 30 31 } // namespace clang::tidy::google 32