diff options
Diffstat (limited to 'lib/TableGen/TGParser.h')
| -rw-r--r-- | lib/TableGen/TGParser.h | 22 |
1 files changed, 18 insertions, 4 deletions
diff --git a/lib/TableGen/TGParser.h b/lib/TableGen/TGParser.h index da52da2f79..18aeae22e2 100644 --- a/lib/TableGen/TGParser.h +++ b/lib/TableGen/TGParser.h @@ -53,6 +53,17 @@ class TGParser { // 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) {} @@ -118,10 +129,13 @@ private: // Parser methods. 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); |