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-rw-r--r--lib/AsmParser/LLLexer.h63
1 files changed, 46 insertions, 17 deletions
diff --git a/lib/AsmParser/LLLexer.h b/lib/AsmParser/LLLexer.h
index 8b44b14..4500181 100644
--- a/lib/AsmParser/LLLexer.h
+++ b/lib/AsmParser/LLLexer.h
@@ -14,43 +14,72 @@
#ifndef LIB_ASMPARSER_LLLEXER_H
#define LIB_ASMPARSER_LLLEXER_H
+#include "LLToken.h"
+#include "llvm/ADT/APSInt.h"
+#include "llvm/ADT/APFloat.h"
+
#include <vector>
#include <string>
#include <iosfwd>
namespace llvm {
class MemoryBuffer;
+ class Type;
+ class ParseError;
class LLLexer {
const char *CurPtr;
- unsigned CurLineNo;
MemoryBuffer *CurBuf;
-
+ ParseError &ErrorInfo;
+
+ // Information about the current token.
const char *TokStart;
+ lltok::Kind CurKind;
+ std::string StrVal;
+ unsigned UIntVal;
+ const Type *TyVal;
+ APFloat APFloatVal;
+ APSInt APSIntVal;
std::string TheError;
public:
- explicit LLLexer(MemoryBuffer *StartBuf);
+ explicit LLLexer(MemoryBuffer *StartBuf, ParseError &);
~LLLexer() {}
- const char *getTokStart() const { return TokStart; }
- unsigned getTokLength() const { return CurPtr-TokStart; }
- unsigned getLineNo() const { return CurLineNo; }
- std::string getFilename() const;
- int LexToken();
-
- const std::string getError() const { return TheError; }
+ lltok::Kind Lex() {
+ return CurKind = LexToken();
+ }
+
+ typedef const char* LocTy;
+ LocTy getLoc() const { return TokStart; }
+ lltok::Kind getKind() const { return CurKind; }
+ const std::string getStrVal() const { return StrVal; }
+ const Type *getTyVal() const { return TyVal; }
+ unsigned getUIntVal() const { return UIntVal; }
+ const APSInt &getAPSIntVal() const { return APSIntVal; }
+ const APFloat &getAPFloatVal() const { return APFloatVal; }
+
+ bool Error(LocTy L, const std::string &Msg) const;
+ bool Error(const std::string &Msg) const { return Error(CurPtr, Msg); }
+ std::string getFilename() const;
+
private:
+ lltok::Kind LexToken();
+
int getNextChar();
void SkipLineComment();
- int LexIdentifier();
- int LexDigitOrNegative();
- int LexPositive();
- int LexAt();
- int LexPercent();
- int LexQuote();
- int Lex0x();
+ lltok::Kind LexIdentifier();
+ lltok::Kind LexDigitOrNegative();
+ lltok::Kind LexPositive();
+ lltok::Kind LexAt();
+ lltok::Kind LexPercent();
+ lltok::Kind LexQuote();
+ lltok::Kind Lex0x();
+
+ uint64_t atoull(const char *Buffer, const char *End);
+ uint64_t HexIntToVal(const char *Buffer, const char *End);
+ void HexToIntPair(const char *Buffer, const char *End, uint64_t Pair[2]);
};
} // end namespace llvm