text: //===--- DiagnosticOptions.h ------------------------------------*- C++ -*-===//
  //
  //                     The LLVM Compiler Infrastructure
  //
  // This file is distributed under the University of Illinois Open Source
  // License. See LICENSE.TXT for details.
  //
  //===----------------------------------------------------------------------===//
  
  #ifndef LLVM_CLANG_BASIC_DIAGNOSTICOPTIONS_H
  #define LLVM_CLANG_BASIC_DIAGNOSTICOPTIONS_H
  
  #include "llvm/ADT/IntrusiveRefCntPtr.h"
  
  #include <string>
  #include <vector>
  
  namespace clang {
  
  /// \brief Specifies which overload candidates to display when overload
  /// resolution fails.
  enum OverloadsShown {
    Ovl_All,  ///< Show all overloads.
    Ovl_Best  ///< Show just the "best" overload candidates.
  };
  
  /// DiagnosticOptions - Options for controlling the compiler diagnostics
  /// engine.
  class DiagnosticOptions : public llvm::RefCountedBase<DiagnosticOptions>{
  public:
    enum TextDiagnosticFormat { Clang, Msvc, Vi };
  
    // Default values.
    enum { DefaultTabStop = 8, MaxTabStop = 100,
      DefaultMacroBacktraceLimit = 6,
      DefaultTemplateBacktraceLimit = 10,
      DefaultConstexprBacktraceLimit = 10 };
  
    // Define simple diagnostic options (with no accessors).
  #define DIAGOPT(Name, Bits, Default) unsigned Name : Bits;
  #define ENUM_DIAGOPT(Name, Type, Bits, Default)
  #include "clang/Basic/DiagnosticOptions.def"
  
  protected:
    // Define diagnostic options of enumeration type. These are private, and will
    // have accessors (below).
  #define DIAGOPT(Name, Bits, Default)
  #define ENUM_DIAGOPT(Name, Type, Bits, Default) unsigned Name : Bits;
  #include "clang/Basic/DiagnosticOptions.def"
  
  public:
    /// If non-empty, a file to log extended build information to, for development
    /// testing and analysis.
    std::string DumpBuildInformation;
  
    /// The file to log diagnostic output to.
    std::string DiagnosticLogFile;
    
    /// The file to serialize diagnostics to (non-appending).
    std::string DiagnosticSerializationFile;
  
    /// The list of -W... options used to alter the diagnostic mappings, with the
    /// prefixes removed.
    std::vector<std::string> Warnings;
  
  public:
    // Define accessors/mutators for diagnostic options of enumeration type.
  #define DIAGOPT(Name, Bits, Default)
  #define ENUM_DIAGOPT(Name, Type, Bits, Default) \
    Type get##Name() const { return static_cast<Type>(Name); } \
    void set##Name(Type Value) { Name = static_cast<unsigned>(Value); }
  #include "clang/Basic/DiagnosticOptions.def"
  
    DiagnosticOptions() {
  #define DIAGOPT(Name, Bits, Default) Name = Default;
  #define ENUM_DIAGOPT(Name, Type, Bits, Default) set##Name(Default);
  #include "clang/Basic/DiagnosticOptions.def"
    }
  };
  
  typedef DiagnosticOptions::TextDiagnosticFormat TextDiagnosticFormat;
  
  }  // end namespace clang
  
  #endif
  