MCParsedAsmOperand.h revision fde528fa2b206604bc80618af815bf5dab3fed8e 
1//===-- llvm/MC/MCParsedAsmOperand.h - Asm Parser Operand -------*- C++ -*-===//
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_MCASMOPERAND_H
11#define LLVM_MC_MCASMOPERAND_H
12
13namespace llvm {
14class SMLoc;
15class raw_ostream;
16
17/// MCParsedAsmOperand - This abstract class represents a source-level assembly
18/// instruction operand.  It should be subclassed by target-specific code.  This
19/// base class is used by target-independent clients and is the interface
20/// between parsing an asm instruction and recognizing it.
21class MCParsedAsmOperand {
22public:
23  MCParsedAsmOperand() {}
24  virtual ~MCParsedAsmOperand() {}
25
26  virtual bool isToken() const = 0;
27  virtual bool isImm() const = 0;
28  virtual bool isReg() const = 0;
29  virtual bool isMem() const = 0;
30
31  /// getStartLoc - Get the location of the first token of this operand.
32  virtual SMLoc getStartLoc() const = 0;
33  /// getEndLoc - Get the location of the last token of this operand.
34  virtual SMLoc getEndLoc() const = 0;
35
36  /// print - Print a debug representation of the operand to the given stream.
37  virtual void print(raw_ostream &OS) const = 0;
38  /// dump - Print to the debug stream.
39  virtual void dump() const;
40};
41
42//===----------------------------------------------------------------------===//
43// Debugging Support
44
45inline raw_ostream& operator<<(raw_ostream &OS, const MCParsedAsmOperand &MO) {
46  MO.print(OS);
47  return OS;
48}
49
50} // end namespace llvm.
51
52#endif
53