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Implement !nameconcat to concatenate strings and look up the resulting

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name in the symbol table, returning an object.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69822 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
David Greene
2009-04-22 20:18:10 +00:00
parent d7b2f7ffce
commit c7cafcd815
8 changed files with 192 additions and 36 deletions
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utils/TableGen/Record.cpp
+41 -3
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@@ -395,7 +395,7 @@ std::string ListInit::getAsString() const {
return Result + "]";
}
Init *BinOpInit::Fold() {
Init *BinOpInit::Fold(Record *CurRec, MultiClass *CurMultiClass) {
switch (getOpcode()) {
default: assert(0 && "Unknown binop");
case CONCAT: {
@@ -437,6 +437,43 @@ Init *BinOpInit::Fold() {
return new StringInit(LHSs->getValue() + RHSs->getValue());
break;
}
case NAMECONCAT: {
StringInit *LHSs = dynamic_cast<StringInit*>(LHS);
StringInit *RHSs = dynamic_cast<StringInit*>(RHS);
if (LHSs && RHSs) {
std::string Name(LHSs->getValue() + RHSs->getValue());
// From TGParser::ParseIDValue
if (CurRec) {
if (const RecordVal *RV = CurRec->getValue(Name))
return new VarInit(Name, RV->getType());
std::string TemplateArgName = CurRec->getName()+":"+Name;
if (CurRec->isTemplateArg(TemplateArgName)) {
const RecordVal *RV = CurRec->getValue(TemplateArgName);
assert(RV && "Template arg doesn't exist??");
return new VarInit(TemplateArgName, RV->getType());
}
}
if (CurMultiClass) {
std::string MCName = CurMultiClass->Rec.getName()+"::"+Name;
if (CurMultiClass->Rec.isTemplateArg(MCName)) {
const RecordVal *RV = CurMultiClass->Rec.getValue(MCName);
assert(RV && "Template arg doesn't exist??");
return new VarInit(MCName, RV->getType());
}
}
if (Record *D = Records.getDef(Name))
return new DefInit(D);
cerr << "Variable not defined: '" + Name + "'\n";
assert(0 && "Variable not found");
return 0;
}
break;
}
case SHL:
case SRA:
case SRL: {
@@ -464,8 +501,8 @@ Init *BinOpInit::resolveReferences(Record &R, const RecordVal *RV) {
Init *rhs = RHS->resolveReferences(R, RV);
if (LHS != lhs || RHS != rhs)
return (new BinOpInit(getOpcode(), lhs, rhs))->Fold();
return Fold();
return (new BinOpInit(getOpcode(), lhs, rhs))->Fold(&R, 0);
return Fold(&R, 0);
}
std::string BinOpInit::getAsString() const {
@@ -476,6 +513,7 @@ std::string BinOpInit::getAsString() const {
case SRA: Result = "!sra"; break;
case SRL: Result = "!srl"; break;
case STRCONCAT: Result = "!strconcat"; break;
case NAMECONCAT: Result = "!nameconcat"; break;
}
return Result + "(" + LHS->getAsString() + ", " + RHS->getAsString() + ")";
}