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//===--- UseEnumClassCheck.cpp - clang-tidy -------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "UseEnumClassCheck.h"
#include "clang/ASTMatchers/ASTMatchFinder.h"
using namespace clang::ast_matchers;
namespace clang::tidy::cppcoreguidelines {
UseEnumClassCheck::UseEnumClassCheck(StringRef Name, ClangTidyContext *Context)
: ClangTidyCheck(Name, Context),
IgnoreUnscopedEnumsInClasses(
Options.get("IgnoreUnscopedEnumsInClasses", false)) {}
void UseEnumClassCheck::storeOptions(ClangTidyOptions::OptionMap &Opts) {
Options.store(Opts, "IgnoreUnscopedEnumsInClasses",
IgnoreUnscopedEnumsInClasses);
}
void UseEnumClassCheck::registerMatchers(MatchFinder *Finder) {
auto EnumDecl =
IgnoreUnscopedEnumsInClasses
? enumDecl(unless(isScoped()), unless(hasParent(recordDecl())))
: enumDecl(unless(isScoped()));
Finder->addMatcher(EnumDecl.bind("unscoped_enum"), this);
}
void UseEnumClassCheck::check(const MatchFinder::MatchResult &Result) {
const auto *UnscopedEnum = Result.Nodes.getNodeAs<EnumDecl>("unscoped_enum");
diag(UnscopedEnum->getLocation(),
"enum %0 is unscoped, use 'enum class' instead")
<< UnscopedEnum;
}
} // namespace clang::tidy::cppcoreguidelines
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