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llvm-mirror/include/llvm/MC/MCInstPrinter.h
Chris Lattner 144a1b7a24 add a new MCInstPrinter::getOpcodeName interface, when it is
implemented, llvm-mc --show-inst now uses it to print the
instruction opcode as well as the number.

llvm-svn: 95929
2010-02-11 22:39:10 +00:00

52 lines
1.6 KiB
C++

//===-- 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:
/// O - The main stream to emit instruction text to.
raw_ostream &O;
/// 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;
public:
MCInstPrinter(raw_ostream &o, const MCAsmInfo &mai)
: O(o), CommentStream(0), MAI(mai) {}
virtual ~MCInstPrinter();
/// setCommentStream - Specify a stream to emit comments to.
void setCommentStream(raw_ostream &OS) { CommentStream = &OS; }
/// printInst - Print the specified MCInst to the current raw_ostream.
///
virtual void printInst(const MCInst *MI) = 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;
};
} // namespace llvm
#endif