MCInstPrinter.h revision fd2eaed4f0a9375071a448993c573a124370ed34
1//===-- MCInstPrinter.h - Convert an MCInst to target assembly syntax -----===// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is distributed under the University of Illinois Open Source 6// License. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// 9 10#ifndef LLVM_MC_MCINSTPRINTER_H 11#define LLVM_MC_MCINSTPRINTER_H 12 13namespace llvm { 14class MCInst; 15class raw_ostream; 16class MCAsmInfo; 17class StringRef; 18 19/// MCInstPrinter - This is an instance of a target assembly language printer 20/// that converts an MCInst to valid target assembly syntax. 21class MCInstPrinter { 22protected: 23 /// CommentStream - a stream that comments can be emitted to if desired. 24 /// Each comment must end with a newline. This will be null if verbose 25 /// assembly emission is disable. 26 raw_ostream *CommentStream; 27 const MCAsmInfo &MAI; 28public: 29 MCInstPrinter(const MCAsmInfo &mai) 30 : CommentStream(0), MAI(mai) {} 31 32 virtual ~MCInstPrinter(); 33 34 /// setCommentStream - Specify a stream to emit comments to. 35 void setCommentStream(raw_ostream &OS) { CommentStream = &OS; } 36 37 /// printInst - Print the specified MCInst to the specified raw_ostream. 38 /// 39 virtual void printInst(const MCInst *MI, raw_ostream &OS) = 0; 40 41 /// getOpcodeName - Return the name of the specified opcode enum (e.g. 42 /// "MOV32ri") or empty if we can't resolve it. 43 virtual StringRef getOpcodeName(unsigned Opcode) const; 44}; 45 46} // namespace llvm 47 48#endif 49