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//===- WithColor.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_SUPPORT_WITHCOLOR_H
#define LLVM_SUPPORT_WITHCOLOR_H
#include "llvm/ADT/StringRef.h"
#include "llvm/Support/CommandLine.h"
namespace llvm {
extern cl::OptionCategory ColorCategory;
class raw_ostream;
// Symbolic names for various syntax elements.
enum class HighlightColor {
Address,
String,
Tag,
Attribute,
Enumerator,
Macro,
Error,
Warning,
Note
};
/// An RAII object that temporarily switches an output stream to a specific
/// color.
class WithColor {
raw_ostream &OS;
/// Determine whether colors should be displayed.
bool colorsEnabled(raw_ostream &OS);
public:
/// To be used like this: WithColor(OS, HighlightColor::String) << "text";
WithColor(raw_ostream &OS, HighlightColor S);
~WithColor();
raw_ostream &get() { return OS; }
operator raw_ostream &() { return OS; }
/// Convenience method for printing "error: " to stderr.
static raw_ostream &error();
/// Convenience method for printing "warning: " to stderr.
static raw_ostream &warning();
/// Convenience method for printing "note: " to stderr.
static raw_ostream ¬e();
/// Convenience method for printing "error: " to the given stream.
static raw_ostream &error(raw_ostream &OS, StringRef Prefix = "");
/// Convenience method for printing "warning: " to the given stream.
static raw_ostream &warning(raw_ostream &OS, StringRef Prefix = "");
/// Convenience method for printing "note: " to the given stream.
static raw_ostream ¬e(raw_ostream &OS, StringRef Prefix = "");
};
} // end namespace llvm
#endif // LLVM_LIB_DEBUGINFO_WITHCOLOR_H
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