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Improve diagnostics for some parse errors. Not asserting when a user input 

error is detected is a good thing.

llvm-svn: 131005
This commit is contained in:
Jim Grosbach 2011-05-06 18:47:45 +00:00
parent 763ac0397e
commit 59ddb73d47
1 changed files with 3 additions and 7 deletions
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10
llvm/utils/TableGen/Record.cpp
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@ -583,9 +583,7 @@ Init *UnOpInit::Fold(Record *CurRec, MultiClass *CurMultiClass) {
if (Record *D = (CurRec->getRecords()).getDef(Name))
return new DefInit(D);
errs() << "Variable not defined: '" + Name + "'\n";
assert(0 && "Variable not found");
return 0;
throw TGError(CurRec->getLoc(), "Undefined reference:'" + Name + "'\n");
}
}
break;
@ -813,15 +811,13 @@ static Init *ForeachHelper(Init *LHS, Init *MHS, Init *RHS, RecTy *Type,
OpInit *RHSo = dynamic_cast<OpInit*>(RHS);
if (!RHSo) {
errs() << "!foreach requires an operator\n";
assert(0 && "No operator for !foreach");
throw TGError(CurRec->getLoc(), "!foreach requires an operator\n");
}
TypedInit *LHSt = dynamic_cast<TypedInit*>(LHS);
if (!LHSt) {
errs() << "!foreach requires typed variable\n";
assert(0 && "No typed variable for !foreach");
throw TGError(CurRec->getLoc(), "!foreach requires typed variable\n");
}
if ((MHSd && DagType) || (MHSl && ListType)) {