llvm/clang/include/clang/Basic/DiagnosticIDs.h

//===--- DiagnosticIDs.h - Diagnostic IDs Handling --------------*- 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
//
//===----------------------------------------------------------------------===//
///
/// \file
/// Defines the Diagnostic IDs-related interfaces.
///
//===----------------------------------------------------------------------===//

#ifndef LLVM_CLANG_BASIC_DIAGNOSTICIDS_H
#define LLVM_CLANG_BASIC_DIAGNOSTICIDS_H

#include "clang/Basic/LLVM.h"
#include "llvm/ADT/IntrusiveRefCntPtr.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/Support/ErrorHandling.h"
#include <optional>
#include <vector>

namespace clang {
  class DiagnosticsEngine;
  class DiagnosticBuilder;
  class SourceLocation;

  // Import the diagnostic enums themselves.
  namespace diag {
    enum class Group;

    // Size of each of the diagnostic categories.
    enum { … };
    // Start position for diagnostics.
    enum { … };

    class CustomDiagInfo;

    /// All of the diagnostics that can be emitted by the frontend.
    kind;

    // Get typedefs for common diagnostics.
    enum { … };

    /// Enum values that allow the client to map NOTEs, WARNINGs, and EXTENSIONs
    /// to either Ignore (nothing), Remark (emit a remark), Warning
    /// (emit a warning) or Error (emit as an error).  It allows clients to
    /// map ERRORs to Error or Fatal (stop emitting diagnostics after this one).
    enum class Severity { … };

    /// Flavors of diagnostics we can emit. Used to filter for a particular
    /// kind of diagnostic (for instance, for -W/-R flags).
    enum class Flavor { … };
  }

class DiagnosticMapping { … };

/// Used for handling and querying diagnostic IDs.
///
/// Can be used and shared by multiple Diagnostics for multiple translation units.
class DiagnosticIDs : public RefCountedBase<DiagnosticIDs> { … };

}  // end namespace clang

#endif