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/Support/DataTypes.h"
26 /// AsmLexer - Lexer class for assembly files.
27 class AsmLexer : public MCAsmLexer {
31 const MemoryBuffer *CurBuf;
34 void operator=(const AsmLexer&) LLVM_DELETED_FUNCTION;
35 AsmLexer(const AsmLexer&) LLVM_DELETED_FUNCTION;
38 /// LexToken - Read the next token and return its code.
39 virtual AsmToken LexToken();
42 AsmLexer(const MCAsmInfo &MAI);
45 void setBuffer(const MemoryBuffer *buf, const char *ptr = NULL);
47 virtual StringRef LexUntilEndOfStatement();
48 StringRef LexUntilEndOfLine();
50 bool isAtStartOfComment(char Char);
51 bool isAtStatementSeparator(const char *Ptr);
53 const MCAsmInfo &getMAI() const { return MAI; }
57 AsmToken ReturnError(const char *Loc, const std::string &Msg);
59 AsmToken LexIdentifier();
61 AsmToken LexLineComment();
63 AsmToken LexSingleQuote();
65 AsmToken LexFloatLiteral();
68 } // end namespace llvm