// Record tracker
RecordKeeper &Records;
+
+ // A "named boolean" indicating how to parse identifiers. Usually
+ // identifiers map to some existing object but in special cases
+ // (e.g. parsing def names) no such object exists yet because we are
+ // in the middle of creating in. For those situations, allow the
+ // parser to ignore missing object errors.
+ enum IDParseMode {
+ ParseValueMode, // We are parsing a value we expect to look up.
+ ParseNameMode // We are parsing a name of an object that does not yet exist.
+ };
+
public:
TGParser(SourceMgr &SrcMgr, RecordKeeper &records) :
Lex(SrcMgr), CurMultiClass(0), Records(records) {}
SubClassReference ParseSubClassReference(Record *CurRec, bool isDefm);
SubMultiClassReference ParseSubMultiClassReference(MultiClass *CurMC);
- Init *ParseIDValue(Record *CurRec);
- Init *ParseIDValue(Record *CurRec, const std::string &Name, SMLoc NameLoc);
- Init *ParseSimpleValue(Record *CurRec, RecTy *ItemType = 0);
- Init *ParseValue(Record *CurRec, RecTy *ItemType = 0);
+ Init *ParseIDValue(Record *CurRec, IDParseMode Mode = ParseValueMode);
+ Init *ParseIDValue(Record *CurRec, const std::string &Name, SMLoc NameLoc,
+ IDParseMode Mode = ParseValueMode);
+ Init *ParseSimpleValue(Record *CurRec, RecTy *ItemType = 0,
+ IDParseMode Mode = ParseValueMode);
+ Init *ParseValue(Record *CurRec, RecTy *ItemType = 0,
+ IDParseMode Mode = ParseValueMode);
std::vector<Init*> ParseValueList(Record *CurRec, Record *ArgsRec = 0, RecTy *EltTy = 0);
std::vector<std::pair<llvm::Init*, std::string> > ParseDagArgList(Record *);
bool ParseOptionalRangeList(std::vector<unsigned> &Ranges);