2009-07-20 18:55:04 +00:00
|
|
|
//===-- 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
|
|
|
|
|
2009-10-26 01:35:46 +00:00
|
|
|
#include "llvm/System/DataTypes.h"
|
2009-07-28 22:22:31 +00:00
|
|
|
|
2009-07-20 18:55:04 +00:00
|
|
|
namespace llvm {
|
2010-01-19 20:27:46 +00:00
|
|
|
class AsmToken;
|
2009-07-20 20:01:54 +00:00
|
|
|
class MCAsmLexer;
|
2010-07-12 17:54:38 +00:00
|
|
|
class MCAsmParserExtension;
|
2009-08-31 08:07:44 +00:00
|
|
|
class MCContext;
|
2009-08-31 08:08:17 +00:00
|
|
|
class MCExpr;
|
2009-09-10 00:59:15 +00:00
|
|
|
class MCStreamer;
|
2009-07-28 22:22:31 +00:00
|
|
|
class SMLoc;
|
2010-07-12 18:35:04 +00:00
|
|
|
class SourceMgr;
|
2010-07-12 17:54:38 +00:00
|
|
|
class StringRef;
|
2009-07-28 22:22:31 +00:00
|
|
|
class Twine;
|
2009-07-20 18:55:04 +00:00
|
|
|
|
|
|
|
/// MCAsmParser - Generic assembler parser interface, for use by target specific
|
|
|
|
/// assembly parsers.
|
|
|
|
class MCAsmParser {
|
2010-07-12 17:54:38 +00:00
|
|
|
public:
|
|
|
|
typedef bool (MCAsmParserExtension::*DirectiveHandler)(StringRef, SMLoc);
|
|
|
|
|
|
|
|
private:
|
2009-07-20 18:55:04 +00:00
|
|
|
MCAsmParser(const MCAsmParser &); // DO NOT IMPLEMENT
|
|
|
|
void operator=(const MCAsmParser &); // DO NOT IMPLEMENT
|
|
|
|
protected: // Can only create subclasses.
|
|
|
|
MCAsmParser();
|
2010-07-12 17:18:45 +00:00
|
|
|
|
2009-07-20 18:55:04 +00:00
|
|
|
public:
|
|
|
|
virtual ~MCAsmParser();
|
2009-07-20 20:01:54 +00:00
|
|
|
|
2010-07-12 17:54:38 +00:00
|
|
|
virtual void AddDirectiveHandler(MCAsmParserExtension *Object,
|
|
|
|
StringRef Directive,
|
|
|
|
DirectiveHandler Handler) = 0;
|
|
|
|
|
2010-07-12 18:35:04 +00:00
|
|
|
virtual SourceMgr &getSourceManager() = 0;
|
|
|
|
|
2009-07-20 20:01:54 +00:00
|
|
|
virtual MCAsmLexer &getLexer() = 0;
|
2009-07-28 22:22:31 +00:00
|
|
|
|
2009-08-31 08:07:44 +00:00
|
|
|
virtual MCContext &getContext() = 0;
|
|
|
|
|
2010-07-12 17:54:38 +00:00
|
|
|
/// getStreamer - Return the output streamer for the assembler.
|
2009-09-10 00:59:15 +00:00
|
|
|
virtual MCStreamer &getStreamer() = 0;
|
|
|
|
|
2009-07-28 22:22:31 +00:00
|
|
|
/// Warning - Emit a warning at the location \arg L, with the message \arg
|
|
|
|
/// Msg.
|
|
|
|
virtual void Warning(SMLoc L, const Twine &Msg) = 0;
|
|
|
|
|
2010-07-12 17:18:45 +00:00
|
|
|
/// Error - Emit an error at the location \arg L, with the message \arg
|
2009-07-28 22:22:31 +00:00
|
|
|
/// Msg.
|
|
|
|
///
|
|
|
|
/// \return The return value is always true, as an idiomatic convenience to
|
|
|
|
/// clients.
|
|
|
|
virtual bool Error(SMLoc L, const Twine &Msg) = 0;
|
|
|
|
|
2010-01-19 20:27:46 +00:00
|
|
|
/// Lex - Get the next AsmToken in the stream, possibly handling file
|
|
|
|
/// inclusion first.
|
|
|
|
virtual const AsmToken &Lex() = 0;
|
2010-07-12 17:18:45 +00:00
|
|
|
|
2010-01-19 21:44:56 +00:00
|
|
|
/// getTok - Get the current AsmToken from the stream.
|
|
|
|
const AsmToken &getTok();
|
2010-07-12 17:18:45 +00:00
|
|
|
|
|
|
|
/// \brief Report an error at the current lexer location.
|
|
|
|
bool TokError(const char *Msg);
|
|
|
|
|
2010-07-12 19:08:25 +00:00
|
|
|
/// ParseIdentifier - Parse an identifier or string (as a quoted identifier)
|
|
|
|
/// and set \arg Res to the identifier contents.
|
|
|
|
virtual bool ParseIdentifier(StringRef &Res) = 0;
|
|
|
|
|
2009-08-31 08:08:17 +00:00
|
|
|
/// ParseExpression - Parse an arbitrary expression.
|
|
|
|
///
|
|
|
|
/// @param Res - The value of the expression. The result is undefined
|
|
|
|
/// on error.
|
|
|
|
/// @result - False on success.
|
2010-01-15 19:39:23 +00:00
|
|
|
virtual bool ParseExpression(const MCExpr *&Res, SMLoc &EndLoc) = 0;
|
2010-01-15 19:28:38 +00:00
|
|
|
bool ParseExpression(const MCExpr *&Res);
|
2010-07-12 17:18:45 +00:00
|
|
|
|
2009-08-31 08:08:17 +00:00
|
|
|
/// 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.
|
2010-01-15 19:28:38 +00:00
|
|
|
virtual bool ParseParenExpression(const MCExpr *&Res, SMLoc &EndLoc) = 0;
|
2009-08-31 08:08:17 +00:00
|
|
|
|
2009-07-28 22:22:31 +00:00
|
|
|
/// 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;
|
2009-07-20 18:55:04 +00:00
|
|
|
};
|
|
|
|
|
|
|
|
} // End llvm namespace
|
|
|
|
|
|
|
|
#endif
|