+
+/// LexHash - Lex all tokens that start with a # character:
+/// AttrGrpID ::= #[0-9]+
+lltok::Kind LLLexer::LexHash() {
+ // Handle AttrGrpID: #[0-9]+
+ if (isdigit(static_cast<unsigned char>(CurPtr[0]))) {
+ for (++CurPtr; isdigit(static_cast<unsigned char>(CurPtr[0])); ++CurPtr)
+ /*empty*/;
+
+ uint64_t Val = atoull(TokStart+1, CurPtr);
+ if ((unsigned)Val != Val)
+ Error("invalid value number (too large)!");
+ UIntVal = unsigned(Val);
+ return lltok::AttrGrpID;
+ }
+
+ return lltok::Error;
+}
+