1 //===- AsmLexer.h - Lexer for Assembly Files --------------------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This class declares the lexer for assembly files.
12 //===----------------------------------------------------------------------===//
17 #include "llvm/ADT/StringRef.h"
18 #include "llvm/MC/MCAsmLexer.h"
19 #include "llvm/MC/MCAsmInfo.h"
20 #include "llvm/System/DataTypes.h"
29 /// AsmLexer - Lexer class for assembly files.
30 class AsmLexer : public MCAsmLexer {
34 const MemoryBuffer *CurBuf;
38 void operator=(const AsmLexer&); // DO NOT IMPLEMENT
39 AsmLexer(const AsmLexer&); // DO NOT IMPLEMENT
42 /// LexToken - Read the next token and return its code.
43 virtual AsmToken LexToken();
46 AsmLexer(const MCAsmInfo &MAI);
49 void setBuffer(const MemoryBuffer *buf, const char *ptr = NULL);
53 StringRef LexUntilEndOfStatement();
55 bool isAtStartOfComment(char Char);
57 const MCAsmInfo &getMAI() const { return MAI; }
61 AsmToken ReturnError(const char *Loc, const std::string &Msg);
63 AsmToken LexIdentifier();
65 AsmToken LexLineComment();
70 } // end namespace llvm