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/MCParser/MCAsmLexer.h"
19 #include "llvm/MC/MCAsmInfo.h"
20 #include "llvm/Support/DataTypes.h"
29 /// AsmLexer - Lexer class for assembly files.
30 class AsmLexer : public MCAsmLexer {
34 const MemoryBuffer *CurBuf;
37 void operator=(const AsmLexer&); // DO NOT IMPLEMENT
38 AsmLexer(const AsmLexer&); // DO NOT IMPLEMENT
41 /// LexToken - Read the next token and return its code.
42 virtual AsmToken LexToken();
45 AsmLexer(const MCAsmInfo &MAI);
48 void setBuffer(const MemoryBuffer *buf, const char *ptr = NULL);
50 virtual StringRef LexUntilEndOfStatement();
51 StringRef LexUntilEndOfLine();
53 bool isAtStartOfComment(char Char);
54 bool isAtStatementSeparator(const char *Ptr);
56 const MCAsmInfo &getMAI() const { return MAI; }
60 AsmToken ReturnError(const char *Loc, const std::string &Msg);
62 AsmToken LexIdentifier();
64 AsmToken LexLineComment();
66 AsmToken LexSingleQuote();
68 AsmToken LexFloatLiteral();
71 } // end namespace llvm