clang-tools 20.0.0git
DefaultArgumentsCheck.cpp
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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
10#include "clang/AST/ASTContext.h"
11#include "clang/ASTMatchers/ASTMatchFinder.h"
12
13using namespace clang::ast_matchers;
14
15namespace clang::tidy::google {
16
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
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
DiagnosticBuilder diag(SourceLocation Loc, StringRef Description, DiagnosticIDs::Level Level=DiagnosticIDs::Warning)
Add a diagnostic with the check's name.
void registerMatchers(ast_matchers::MatchFinder *Finder) override
Override this to register AST matchers with Finder.
void check(const ast_matchers::MatchFinder::MatchResult &Result) override
ClangTidyChecks that register ASTMatchers should do the actual work in here.