1 files changed, 72 insertions, 0 deletions
diff --git a/include/llvm/MC/MCParser/AsmLexer.h b/include/llvm/MC/MCParser/AsmLexer.h
new file mode 100644
index 0000000..cf6eefb
--- /dev/null
+++ b/include/llvm/MC/MCParser/AsmLexer.h
@@ -0,0 +1,72 @@
+//===- AsmLexer.h - Lexer for Assembly Files --------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This class declares the lexer for assembly files.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef ASMLEXER_H
+#define ASMLEXER_H
+
+#include "llvm/ADT/StringRef.h"
+#include "llvm/MC/MCParser/MCAsmLexer.h"
+#include "llvm/MC/MCAsmInfo.h"
+#include "llvm/System/DataTypes.h"
+#include <string>
+#include <cassert>
+
+namespace llvm {
+class MemoryBuffer;
+class SMLoc;
+class MCAsmInfo;
+
+/// AsmLexer - Lexer class for assembly files.
+class AsmLexer : public MCAsmLexer {
+  const MCAsmInfo &MAI;
+  
+  const char *CurPtr;
+  const MemoryBuffer *CurBuf;
+  
+  const char *TokStart;
+  
+  void operator=(const AsmLexer&); // DO NOT IMPLEMENT
+  AsmLexer(const AsmLexer&);       // DO NOT IMPLEMENT
+
+protected:
+  /// LexToken - Read the next token and return its code.
+  virtual AsmToken LexToken();
+
+public:
+  AsmLexer(const MCAsmInfo &MAI);
+  ~AsmLexer();
+  
+  void setBuffer(const MemoryBuffer *buf, const char *ptr = NULL);
+  
+  SMLoc getLoc() const;
+  
+  StringRef LexUntilEndOfStatement();
+
+  bool isAtStartOfComment(char Char);
+  
+  const MCAsmInfo &getMAI() const { return MAI; }
+
+private:
+  int getNextChar();
+  AsmToken ReturnError(const char *Loc, const std::string &Msg);
+
+  AsmToken LexIdentifier();
+  AsmToken LexSlash();
+  AsmToken LexLineComment();
+  AsmToken LexDigit();
+  AsmToken LexQuote();
+};
+  
+} // end namespace llvm
+
+#endif