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//===-- MCInstPrinter.h - Convert an MCInst to target assembly syntax -----===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_MC_MCINSTPRINTER_H
#define LLVM_MC_MCINSTPRINTER_H
namespace llvm {
class MCInst;
class raw_ostream;
class MCAsmInfo;
class StringRef;
/// MCInstPrinter - This is an instance of a target assembly language printer
/// that converts an MCInst to valid target assembly syntax.
class MCInstPrinter {
protected:
/// CommentStream - a stream that comments can be emitted to if desired.
/// Each comment must end with a newline. This will be null if verbose
/// assembly emission is disable.
raw_ostream *CommentStream;
const MCAsmInfo &MAI;
/// The current set of available features.
unsigned AvailableFeatures;
/// Utility function for printing annotations.
void printAnnotation(raw_ostream &OS, StringRef Annot);
public:
MCInstPrinter(const MCAsmInfo &mai)
: CommentStream(0), MAI(mai), AvailableFeatures(0) {}
virtual ~MCInstPrinter();
/// setCommentStream - Specify a stream to emit comments to.
void setCommentStream(raw_ostream &OS) { CommentStream = &OS; }
/// printInst - Print the specified MCInst to the specified raw_ostream.
///
virtual void printInst(const MCInst *MI, raw_ostream &OS,
StringRef Annot) = 0;
/// getOpcodeName - Return the name of the specified opcode enum (e.g.
/// "MOV32ri") or empty if we can't resolve it.
virtual StringRef getOpcodeName(unsigned Opcode) const;
/// printRegName - Print the assembler register name.
virtual void printRegName(raw_ostream &OS, unsigned RegNo) const;
unsigned getAvailableFeatures() const { return AvailableFeatures; }
void setAvailableFeatures(unsigned Value) { AvailableFeatures = Value; }
};
} // namespace llvm
#endif
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