ClangTidyCheck.cpp
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//===--- ClangTidyCheck.cpp - clang-tidy ------------------------*- C++ -*-===//
//
// 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 "ClangTidyCheck.h"
namespace clang {
namespace tidy {
ClangTidyCheck::ClangTidyCheck(StringRef CheckName, ClangTidyContext *Context)
: CheckName(CheckName), Context(Context),
Options(CheckName, Context->getOptions().CheckOptions) {
assert(Context != nullptr);
assert(!CheckName.empty());
}
DiagnosticBuilder ClangTidyCheck::diag(SourceLocation Loc, StringRef Message,
DiagnosticIDs::Level Level) {
return Context->diag(CheckName, Loc, Message, Level);
}
void ClangTidyCheck::run(const ast_matchers::MatchFinder::MatchResult &Result) {
// For historical reasons, checks don't implement the MatchFinder run()
// callback directly. We keep the run()/check() distinction to avoid interface
// churn, and to allow us to add cross-cutting logic in the future.
check(Result);
}
ClangTidyCheck::OptionsView::OptionsView(StringRef CheckName,
const ClangTidyOptions::OptionMap &CheckOptions)
: NamePrefix(CheckName.str() + "."), CheckOptions(CheckOptions) {}
std::string ClangTidyCheck::OptionsView::get(StringRef LocalName,
StringRef Default) const {
const auto &Iter = CheckOptions.find(NamePrefix + LocalName.str());
if (Iter != CheckOptions.end())
return Iter->second;
return Default;
}
std::string
ClangTidyCheck::OptionsView::getLocalOrGlobal(StringRef LocalName,
StringRef Default) const {
auto Iter = CheckOptions.find(NamePrefix + LocalName.str());
if (Iter != CheckOptions.end())
return Iter->second;
// Fallback to global setting, if present.
Iter = CheckOptions.find(LocalName.str());
if (Iter != CheckOptions.end())
return Iter->second;
return Default;
}
void ClangTidyCheck::OptionsView::store(ClangTidyOptions::OptionMap &Options,
StringRef LocalName,
StringRef Value) const {
Options[NamePrefix + LocalName.str()] = Value;
}
void ClangTidyCheck::OptionsView::store(ClangTidyOptions::OptionMap &Options,
StringRef LocalName,
int64_t Value) const {
store(Options, LocalName, llvm::itostr(Value));
}
} // namespace tidy
} // namespace clang