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#pragma once
#ifdef __GNUC__
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wunused-parameter"
#endif
//===- DiagnosticHandler.h - DiagnosticHandler class for LLVM ---*- 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
//
//===----------------------------------------------------------------------===//
// Base DiagnosticHandler class declaration. Derive from this class to provide
// custom diagnostic reporting.
//===----------------------------------------------------------------------===//
#ifndef LLVM_IR_DIAGNOSTICHANDLER_H
#define LLVM_IR_DIAGNOSTICHANDLER_H
#include "llvm/ADT/StringRef.h"
namespace llvm {
class DiagnosticInfo;
/// This is the base class for diagnostic handling in LLVM.
/// The handleDiagnostics method must be overriden by the subclasses to handle
/// diagnostic. The *RemarkEnabled methods can be overriden to control
/// which remarks are enabled.
struct DiagnosticHandler {
void *DiagnosticContext = nullptr;
DiagnosticHandler(void *DiagContext = nullptr)
: DiagnosticContext(DiagContext) {}
virtual ~DiagnosticHandler() = default;
using DiagnosticHandlerTy = void (*)(const DiagnosticInfo &DI, void *Context);
/// DiagHandlerCallback is settable from the C API and base implementation
/// of DiagnosticHandler will call it from handleDiagnostics(). Any derived
/// class of DiagnosticHandler should not use callback but
/// implement handleDiagnostics().
DiagnosticHandlerTy DiagHandlerCallback = nullptr;
/// Override handleDiagnostics to provide custom implementation.
/// Return true if it handles diagnostics reporting properly otherwise
/// return false to make LLVMContext::diagnose() to print the message
/// with a prefix based on the severity.
virtual bool handleDiagnostics(const DiagnosticInfo &DI) {
if (DiagHandlerCallback) {
DiagHandlerCallback(DI, DiagnosticContext);
return true;
}
return false;
}
/// Return true if analysis remarks are enabled, override
/// to provide different implementation.
virtual bool isAnalysisRemarkEnabled(StringRef PassName) const;
/// Return true if missed optimization remarks are enabled, override
/// to provide different implementation.
virtual bool isMissedOptRemarkEnabled(StringRef PassName) const;
/// Return true if passed optimization remarks are enabled, override
/// to provide different implementation.
virtual bool isPassedOptRemarkEnabled(StringRef PassName) const;
/// Return true if any type of remarks are enabled for this pass.
bool isAnyRemarkEnabled(StringRef PassName) const {
return (isMissedOptRemarkEnabled(PassName) ||
isPassedOptRemarkEnabled(PassName) ||
isAnalysisRemarkEnabled(PassName));
}
/// Return true if any type of remarks are enabled for any pass.
virtual bool isAnyRemarkEnabled() const;
};
} // namespace llvm
#endif // LLVM_IR_DIAGNOSTICHANDLER_H
#ifdef __GNUC__
#pragma GCC diagnostic pop
#endif
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