mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-26 04:32:44 +01:00
80 lines
2.3 KiB
C++
80 lines
2.3 KiB
C++
//===-- llvm/MC/MCAsmParser.h - Abstract Asm Parser Interface ---*- C++ -*-===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef LLVM_MC_MCASMPARSER_H
|
|
#define LLVM_MC_MCASMPARSER_H
|
|
|
|
#include "llvm/Support/DataTypes.h"
|
|
|
|
namespace llvm {
|
|
class MCAsmLexer;
|
|
class MCContext;
|
|
class MCExpr;
|
|
class MCStreamer;
|
|
class MCValue;
|
|
class SMLoc;
|
|
class Twine;
|
|
|
|
/// MCAsmParser - Generic assembler parser interface, for use by target specific
|
|
/// assembly parsers.
|
|
class MCAsmParser {
|
|
MCAsmParser(const MCAsmParser &); // DO NOT IMPLEMENT
|
|
void operator=(const MCAsmParser &); // DO NOT IMPLEMENT
|
|
protected: // Can only create subclasses.
|
|
MCAsmParser();
|
|
|
|
public:
|
|
virtual ~MCAsmParser();
|
|
|
|
virtual MCAsmLexer &getLexer() = 0;
|
|
|
|
virtual MCContext &getContext() = 0;
|
|
|
|
/// getSteamer - Return the output streamer for the assembler.
|
|
virtual MCStreamer &getStreamer() = 0;
|
|
|
|
/// Warning - Emit a warning at the location \arg L, with the message \arg
|
|
/// Msg.
|
|
virtual void Warning(SMLoc L, const Twine &Msg) = 0;
|
|
|
|
/// Warning - Emit an error at the location \arg L, with the message \arg
|
|
/// Msg.
|
|
///
|
|
/// \return The return value is always true, as an idiomatic convenience to
|
|
/// clients.
|
|
virtual bool Error(SMLoc L, const Twine &Msg) = 0;
|
|
|
|
/// ParseExpression - Parse an arbitrary expression.
|
|
///
|
|
/// @param Res - The value of the expression. The result is undefined
|
|
/// on error.
|
|
/// @result - False on success.
|
|
virtual bool ParseExpression(const MCExpr *&Res) = 0;
|
|
|
|
/// ParseParenExpression - Parse an arbitrary expression, assuming that an
|
|
/// initial '(' has already been consumed.
|
|
///
|
|
/// @param Res - The value of the expression. The result is undefined
|
|
/// on error.
|
|
/// @result - False on success.
|
|
virtual bool ParseParenExpression(const MCExpr *&Res) = 0;
|
|
|
|
/// ParseAbsoluteExpression - Parse an expression which must evaluate to an
|
|
/// absolute value.
|
|
///
|
|
/// @param Res - The value of the absolute expression. The result is undefined
|
|
/// on error.
|
|
/// @result - False on success.
|
|
virtual bool ParseAbsoluteExpression(int64_t &Res) = 0;
|
|
};
|
|
|
|
} // End llvm namespace
|
|
|
|
#endif
|