llvm-project/clang-tools-extra/clang-tidy/google/DefaultArgumentsCheck.cpp

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C++

//===--- DefaultArgumentsCheck.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 "DefaultArgumentsCheck.h"
#include "clang/AST/ASTContext.h"
#include "clang/ASTMatchers/ASTMatchFinder.h"
using namespace clang::ast_matchers;
namespace clang {
namespace tidy {
namespace google {
void DefaultArgumentsCheck::registerMatchers(MatchFinder *Finder) {
Finder->addMatcher(
cxxMethodDecl(anyOf(isOverride(), isVirtual()),
hasAnyParameter(parmVarDecl(hasInitializer(expr()))))
.bind("Decl"),
this);
}
void DefaultArgumentsCheck::check(const MatchFinder::MatchResult &Result) {
const auto *MatchedDecl = Result.Nodes.getNodeAs<CXXMethodDecl>("Decl");
diag(MatchedDecl->getLocation(),
"default arguments on virtual or override methods are prohibited");
}
} // namespace google
} // namespace tidy
} // namespace clang