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//===- ChainedDiagnosticConsumer.h - Chain Diagnostic Clients ---*- 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
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CLANG_FRONTEND_CHAINEDDIAGNOSTICCONSUMER_H
#define LLVM_CLANG_FRONTEND_CHAINEDDIAGNOSTICCONSUMER_H
#include "clang/Basic/Diagnostic.h"
#include <memory>
namespace clang {
class LangOptions;
/// ChainedDiagnosticConsumer - Chain two diagnostic clients so that diagnostics
/// go to the first client and then the second. The first diagnostic client
/// should be the "primary" client, and will be used for computing whether the
/// diagnostics should be included in counts.
class ChainedDiagnosticConsumer : public DiagnosticConsumer {
virtual void anchor();
std::unique_ptr<DiagnosticConsumer> OwningPrimary;
DiagnosticConsumer *Primary;
std::unique_ptr<DiagnosticConsumer> Secondary;
public:
ChainedDiagnosticConsumer(std::unique_ptr<DiagnosticConsumer> Primary,
std::unique_ptr<DiagnosticConsumer> Secondary)
: OwningPrimary(std::move(Primary)), Primary(OwningPrimary.get()),
Secondary(std::move(Secondary)) {}
/// Construct without taking ownership of \c Primary.
ChainedDiagnosticConsumer(DiagnosticConsumer *Primary,
std::unique_ptr<DiagnosticConsumer> Secondary)
: Primary(Primary), Secondary(std::move(Secondary)) {}
void BeginSourceFile(const LangOptions &LO,
const Preprocessor *PP) override {
Primary->BeginSourceFile(LO, PP);
Secondary->BeginSourceFile(LO, PP);
}
void EndSourceFile() override {
Secondary->EndSourceFile();
Primary->EndSourceFile();
}
void finish() override {
Secondary->finish();
Primary->finish();
}
bool IncludeInDiagnosticCounts() const override {
return Primary->IncludeInDiagnosticCounts();
}
void HandleDiagnostic(DiagnosticsEngine::Level DiagLevel,
const Diagnostic &Info) override {
// Default implementation (Warnings/errors count).
DiagnosticConsumer::HandleDiagnostic(DiagLevel, Info);
Primary->HandleDiagnostic(DiagLevel, Info);
Secondary->HandleDiagnostic(DiagLevel, Info);
}
};
} // end namspace clang
#endif
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