1 //===- Record.cpp - Record implementation ---------------------------------===//
3 // The LLVM Compiler Infrastructure
5 // This file was developed by the LLVM research group and is distributed under
6 // the University of Illinois Open Source License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // Implement the tablegen record classes.
12 //===----------------------------------------------------------------------===//
15 #include "llvm/Support/DataTypes.h"
16 #include "llvm/Support/Streams.h"
21 //===----------------------------------------------------------------------===//
22 // Type implementations
23 //===----------------------------------------------------------------------===//
25 void RecTy::dump() const { print(*cerr.stream()); }
27 Init *BitRecTy::convertValue(BitsInit *BI) {
28 if (BI->getNumBits() != 1) return 0; // Only accept if just one bit!
32 bool BitRecTy::baseClassOf(const BitsRecTy *RHS) const {
33 return RHS->getNumBits() == 1;
36 Init *BitRecTy::convertValue(IntInit *II) {
37 int Val = II->getValue();
38 if (Val != 0 && Val != 1) return 0; // Only accept 0 or 1 for a bit!
40 return new BitInit(Val != 0);
43 Init *BitRecTy::convertValue(TypedInit *VI) {
44 if (dynamic_cast<BitRecTy*>(VI->getType()))
45 return VI; // Accept variable if it is already of bit type!
49 Init *BitsRecTy::convertValue(UnsetInit *UI) {
50 BitsInit *Ret = new BitsInit(Size);
52 for (unsigned i = 0; i != Size; ++i)
53 Ret->setBit(i, new UnsetInit());
57 Init *BitsRecTy::convertValue(BitInit *UI) {
58 if (Size != 1) return 0; // Can only convert single bit...
59 BitsInit *Ret = new BitsInit(1);
64 // convertValue from Int initializer to bits type: Split the integer up into the
65 // appropriate bits...
67 Init *BitsRecTy::convertValue(IntInit *II) {
68 int64_t Value = II->getValue();
69 // Make sure this bitfield is large enough to hold the integer value...
71 if (Value & ~((1LL << Size)-1))
74 if ((Value >> Size) != -1 || ((Value & (1LL << (Size-1))) == 0))
78 BitsInit *Ret = new BitsInit(Size);
79 for (unsigned i = 0; i != Size; ++i)
80 Ret->setBit(i, new BitInit(Value & (1LL << i)));
85 Init *BitsRecTy::convertValue(BitsInit *BI) {
86 // If the number of bits is right, return it. Otherwise we need to expand or
88 if (BI->getNumBits() == Size) return BI;
92 Init *BitsRecTy::convertValue(TypedInit *VI) {
93 if (BitsRecTy *BRT = dynamic_cast<BitsRecTy*>(VI->getType()))
94 if (BRT->Size == Size) {
95 BitsInit *Ret = new BitsInit(Size);
96 for (unsigned i = 0; i != Size; ++i)
97 Ret->setBit(i, new VarBitInit(VI, i));
100 if (Size == 1 && dynamic_cast<BitRecTy*>(VI->getType())) {
101 BitsInit *Ret = new BitsInit(1);
109 Init *IntRecTy::convertValue(BitInit *BI) {
110 return new IntInit(BI->getValue());
113 Init *IntRecTy::convertValue(BitsInit *BI) {
115 for (unsigned i = 0, e = BI->getNumBits(); i != e; ++i)
116 if (BitInit *Bit = dynamic_cast<BitInit*>(BI->getBit(i))) {
117 Result |= Bit->getValue() << i;
121 return new IntInit(Result);
124 Init *IntRecTy::convertValue(TypedInit *TI) {
125 if (TI->getType()->typeIsConvertibleTo(this))
126 return TI; // Accept variable if already of the right type!
130 Init *StringRecTy::convertValue(BinOpInit *BO) {
131 if (BO->getOpcode() == BinOpInit::STRCONCAT) {
132 Init *L = BO->getLHS()->convertInitializerTo(this);
133 Init *R = BO->getRHS()->convertInitializerTo(this);
134 if (L == 0 || R == 0) return 0;
135 if (L != BO->getLHS() || R != BO->getRHS())
136 return new BinOpInit(BinOpInit::STRCONCAT, L, R);
143 Init *StringRecTy::convertValue(TypedInit *TI) {
144 if (dynamic_cast<StringRecTy*>(TI->getType()))
145 return TI; // Accept variable if already of the right type!
149 void ListRecTy::print(std::ostream &OS) const {
150 OS << "list<" << *Ty << ">";
153 Init *ListRecTy::convertValue(ListInit *LI) {
154 std::vector<Init*> Elements;
156 // Verify that all of the elements of the list are subclasses of the
157 // appropriate class!
158 for (unsigned i = 0, e = LI->getSize(); i != e; ++i)
159 if (Init *CI = LI->getElement(i)->convertInitializerTo(Ty))
160 Elements.push_back(CI);
164 return new ListInit(Elements);
167 Init *ListRecTy::convertValue(TypedInit *TI) {
168 // Ensure that TI is compatible with our class.
169 if (ListRecTy *LRT = dynamic_cast<ListRecTy*>(TI->getType()))
170 if (LRT->getElementType()->typeIsConvertibleTo(getElementType()))
175 Init *CodeRecTy::convertValue(TypedInit *TI) {
176 if (TI->getType()->typeIsConvertibleTo(this))
181 Init *DagRecTy::convertValue(TypedInit *TI) {
182 if (TI->getType()->typeIsConvertibleTo(this))
188 void RecordRecTy::print(std::ostream &OS) const {
189 OS << Rec->getName();
192 Init *RecordRecTy::convertValue(DefInit *DI) {
193 // Ensure that DI is a subclass of Rec.
194 if (!DI->getDef()->isSubClassOf(Rec))
199 Init *RecordRecTy::convertValue(TypedInit *TI) {
200 // Ensure that TI is compatible with Rec.
201 if (RecordRecTy *RRT = dynamic_cast<RecordRecTy*>(TI->getType()))
202 if (RRT->getRecord()->isSubClassOf(getRecord()) ||
203 RRT->getRecord() == getRecord())
208 bool RecordRecTy::baseClassOf(const RecordRecTy *RHS) const {
209 return Rec == RHS->getRecord() || RHS->getRecord()->isSubClassOf(Rec);
213 //===----------------------------------------------------------------------===//
214 // Initializer implementations
215 //===----------------------------------------------------------------------===//
217 void Init::dump() const { return print(*cerr.stream()); }
219 Init *BitsInit::convertInitializerBitRange(const std::vector<unsigned> &Bits) {
220 BitsInit *BI = new BitsInit(Bits.size());
221 for (unsigned i = 0, e = Bits.size(); i != e; ++i) {
222 if (Bits[i] >= getNumBits()) {
226 BI->setBit(i, getBit(Bits[i]));
231 void BitsInit::print(std::ostream &OS) const {
232 //if (!printInHex(OS)) return;
233 //if (!printAsVariable(OS)) return;
234 //if (!printAsUnset(OS)) return;
237 for (unsigned i = 0, e = getNumBits(); i != e; ++i) {
239 if (Init *Bit = getBit(e-i-1))
247 bool BitsInit::printInHex(std::ostream &OS) const {
248 // First, attempt to convert the value into an integer value...
250 for (unsigned i = 0, e = getNumBits(); i != e; ++i)
251 if (BitInit *Bit = dynamic_cast<BitInit*>(getBit(i))) {
252 Result |= Bit->getValue() << i;
257 OS << "0x" << std::hex << Result << std::dec;
261 bool BitsInit::printAsVariable(std::ostream &OS) const {
262 // Get the variable that we may be set equal to...
263 assert(getNumBits() != 0);
264 VarBitInit *FirstBit = dynamic_cast<VarBitInit*>(getBit(0));
265 if (FirstBit == 0) return true;
266 TypedInit *Var = FirstBit->getVariable();
268 // Check to make sure the types are compatible.
269 BitsRecTy *Ty = dynamic_cast<BitsRecTy*>(FirstBit->getVariable()->getType());
270 if (Ty == 0) return true;
271 if (Ty->getNumBits() != getNumBits()) return true; // Incompatible types!
273 // Check to make sure all bits are referring to the right bits in the variable
274 for (unsigned i = 0, e = getNumBits(); i != e; ++i) {
275 VarBitInit *Bit = dynamic_cast<VarBitInit*>(getBit(i));
276 if (Bit == 0 || Bit->getVariable() != Var || Bit->getBitNum() != i)
284 bool BitsInit::printAsUnset(std::ostream &OS) const {
285 for (unsigned i = 0, e = getNumBits(); i != e; ++i)
286 if (!dynamic_cast<UnsetInit*>(getBit(i)))
292 // resolveReferences - If there are any field references that refer to fields
293 // that have been filled in, we can propagate the values now.
295 Init *BitsInit::resolveReferences(Record &R, const RecordVal *RV) {
296 bool Changed = false;
297 BitsInit *New = new BitsInit(getNumBits());
299 for (unsigned i = 0, e = Bits.size(); i != e; ++i) {
301 Init *CurBit = getBit(i);
305 CurBit = CurBit->resolveReferences(R, RV);
306 Changed |= B != CurBit;
307 } while (B != CurBit);
308 New->setBit(i, CurBit);
317 Init *IntInit::convertInitializerBitRange(const std::vector<unsigned> &Bits) {
318 BitsInit *BI = new BitsInit(Bits.size());
320 for (unsigned i = 0, e = Bits.size(); i != e; ++i) {
325 BI->setBit(i, new BitInit(Value & (1 << Bits[i])));
330 Init *ListInit::convertInitListSlice(const std::vector<unsigned> &Elements) {
331 std::vector<Init*> Vals;
332 for (unsigned i = 0, e = Elements.size(); i != e; ++i) {
333 if (Elements[i] >= getSize())
335 Vals.push_back(getElement(Elements[i]));
337 return new ListInit(Vals);
340 Record *ListInit::getElementAsRecord(unsigned i) const {
341 assert(i < Values.size() && "List element index out of range!");
342 DefInit *DI = dynamic_cast<DefInit*>(Values[i]);
343 if (DI == 0) throw "Expected record in list!";
347 Init *ListInit::resolveReferences(Record &R, const RecordVal *RV) {
348 std::vector<Init*> Resolved;
349 Resolved.reserve(getSize());
350 bool Changed = false;
352 for (unsigned i = 0, e = getSize(); i != e; ++i) {
354 Init *CurElt = getElement(i);
358 CurElt = CurElt->resolveReferences(R, RV);
359 Changed |= E != CurElt;
360 } while (E != CurElt);
361 Resolved.push_back(E);
365 return new ListInit(Resolved);
369 void ListInit::print(std::ostream &OS) const {
371 for (unsigned i = 0, e = Values.size(); i != e; ++i) {
378 Init *BinOpInit::Fold() {
379 switch (getOpcode()) {
380 default: assert(0 && "Unknown binop");
382 StringInit *LHSs = dynamic_cast<StringInit*>(LHS);
383 StringInit *RHSs = dynamic_cast<StringInit*>(RHS);
385 return new StringInit(LHSs->getValue() + RHSs->getValue());
391 IntInit *LHSi = dynamic_cast<IntInit*>(LHS);
392 IntInit *RHSi = dynamic_cast<IntInit*>(RHS);
394 int LHSv = LHSi->getValue(), RHSv = RHSi->getValue();
396 switch (getOpcode()) {
397 default: assert(0 && "Bad opcode!");
398 case SHL: Result = LHSv << RHSv; break;
399 case SRA: Result = LHSv >> RHSv; break;
400 case SRL: Result = (unsigned)LHSv >> (unsigned)RHSv; break;
402 return new IntInit(Result);
410 Init *BinOpInit::resolveReferences(Record &R, const RecordVal *RV) {
411 Init *lhs = LHS->resolveReferences(R, RV);
412 Init *rhs = RHS->resolveReferences(R, RV);
414 if (LHS != lhs || RHS != rhs)
415 return (new BinOpInit(getOpcode(), lhs, rhs))->Fold();
419 void BinOpInit::print(std::ostream &OS) const {
421 case SHL: OS << "!shl"; break;
422 case SRA: OS << "!sra"; break;
423 case SRL: OS << "!srl"; break;
424 case STRCONCAT: OS << "!strconcat"; break;
433 Init *TypedInit::convertInitializerBitRange(const std::vector<unsigned> &Bits) {
434 BitsRecTy *T = dynamic_cast<BitsRecTy*>(getType());
435 if (T == 0) return 0; // Cannot subscript a non-bits variable...
436 unsigned NumBits = T->getNumBits();
438 BitsInit *BI = new BitsInit(Bits.size());
439 for (unsigned i = 0, e = Bits.size(); i != e; ++i) {
440 if (Bits[i] >= NumBits) {
444 BI->setBit(i, new VarBitInit(this, Bits[i]));
449 Init *TypedInit::convertInitListSlice(const std::vector<unsigned> &Elements) {
450 ListRecTy *T = dynamic_cast<ListRecTy*>(getType());
451 if (T == 0) return 0; // Cannot subscript a non-list variable...
453 if (Elements.size() == 1)
454 return new VarListElementInit(this, Elements[0]);
456 std::vector<Init*> ListInits;
457 ListInits.reserve(Elements.size());
458 for (unsigned i = 0, e = Elements.size(); i != e; ++i)
459 ListInits.push_back(new VarListElementInit(this, Elements[i]));
460 return new ListInit(ListInits);
464 Init *VarInit::resolveBitReference(Record &R, const RecordVal *IRV,
466 if (R.isTemplateArg(getName())) return 0;
467 if (IRV && IRV->getName() != getName()) return 0;
469 RecordVal *RV = R.getValue(getName());
470 assert(RV && "Reference to a non-existant variable?");
471 assert(dynamic_cast<BitsInit*>(RV->getValue()));
472 BitsInit *BI = (BitsInit*)RV->getValue();
474 assert(Bit < BI->getNumBits() && "Bit reference out of range!");
475 Init *B = BI->getBit(Bit);
477 if (!dynamic_cast<UnsetInit*>(B)) // If the bit is not set...
478 return B; // Replace the VarBitInit with it.
482 Init *VarInit::resolveListElementReference(Record &R, const RecordVal *IRV,
484 if (R.isTemplateArg(getName())) return 0;
485 if (IRV && IRV->getName() != getName()) return 0;
487 RecordVal *RV = R.getValue(getName());
488 assert(RV && "Reference to a non-existant variable?");
489 ListInit *LI = dynamic_cast<ListInit*>(RV->getValue());
490 assert(LI && "Invalid list element!");
492 if (Elt >= LI->getSize())
493 return 0; // Out of range reference.
494 Init *E = LI->getElement(Elt);
495 if (!dynamic_cast<UnsetInit*>(E)) // If the element is set
496 return E; // Replace the VarListElementInit with it.
501 RecTy *VarInit::getFieldType(const std::string &FieldName) const {
502 if (RecordRecTy *RTy = dynamic_cast<RecordRecTy*>(getType()))
503 if (const RecordVal *RV = RTy->getRecord()->getValue(FieldName))
504 return RV->getType();
508 Init *VarInit::getFieldInit(Record &R, const std::string &FieldName) const {
509 if (dynamic_cast<RecordRecTy*>(getType()))
510 if (const RecordVal *RV = R.getValue(VarName)) {
511 Init *TheInit = RV->getValue();
512 assert(TheInit != this && "Infinite loop detected!");
513 if (Init *I = TheInit->getFieldInit(R, FieldName))
521 /// resolveReferences - This method is used by classes that refer to other
522 /// variables which may not be defined at the time they expression is formed.
523 /// If a value is set for the variable later, this method will be called on
524 /// users of the value to allow the value to propagate out.
526 Init *VarInit::resolveReferences(Record &R, const RecordVal *RV) {
527 if (RecordVal *Val = R.getValue(VarName))
528 if (RV == Val || (RV == 0 && !dynamic_cast<UnsetInit*>(Val->getValue())))
529 return Val->getValue();
534 Init *VarBitInit::resolveReferences(Record &R, const RecordVal *RV) {
535 if (Init *I = getVariable()->resolveBitReference(R, RV, getBitNum()))
540 Init *VarListElementInit::resolveReferences(Record &R, const RecordVal *RV) {
541 if (Init *I = getVariable()->resolveListElementReference(R, RV,
547 Init *VarListElementInit::resolveBitReference(Record &R, const RecordVal *RV,
549 // FIXME: This should be implemented, to support references like:
554 Init *VarListElementInit::
555 resolveListElementReference(Record &R, const RecordVal *RV, unsigned Elt) {
556 // FIXME: This should be implemented, to support references like:
561 RecTy *DefInit::getFieldType(const std::string &FieldName) const {
562 if (const RecordVal *RV = Def->getValue(FieldName))
563 return RV->getType();
567 Init *DefInit::getFieldInit(Record &R, const std::string &FieldName) const {
568 return Def->getValue(FieldName)->getValue();
572 void DefInit::print(std::ostream &OS) const {
573 OS << Def->getName();
576 Init *FieldInit::resolveBitReference(Record &R, const RecordVal *RV,
578 if (Init *BitsVal = Rec->getFieldInit(R, FieldName))
579 if (BitsInit *BI = dynamic_cast<BitsInit*>(BitsVal)) {
580 assert(Bit < BI->getNumBits() && "Bit reference out of range!");
581 Init *B = BI->getBit(Bit);
583 if (dynamic_cast<BitInit*>(B)) // If the bit is set...
584 return B; // Replace the VarBitInit with it.
589 Init *FieldInit::resolveListElementReference(Record &R, const RecordVal *RV,
591 if (Init *ListVal = Rec->getFieldInit(R, FieldName))
592 if (ListInit *LI = dynamic_cast<ListInit*>(ListVal)) {
593 if (Elt >= LI->getSize()) return 0;
594 Init *E = LI->getElement(Elt);
596 if (!dynamic_cast<UnsetInit*>(E)) // If the bit is set...
597 return E; // Replace the VarListElementInit with it.
602 Init *FieldInit::resolveReferences(Record &R, const RecordVal *RV) {
603 Init *NewRec = RV ? Rec->resolveReferences(R, RV) : Rec;
605 Init *BitsVal = NewRec->getFieldInit(R, FieldName);
607 Init *BVR = BitsVal->resolveReferences(R, RV);
608 return BVR->isComplete() ? BVR : this;
613 NewRec->dump(); cerr << "\n";
614 return new FieldInit(NewRec, FieldName);
619 Init *DagInit::resolveReferences(Record &R, const RecordVal *RV) {
620 std::vector<Init*> NewArgs;
621 for (unsigned i = 0, e = Args.size(); i != e; ++i)
622 NewArgs.push_back(Args[i]->resolveReferences(R, RV));
624 Init *Op = Val->resolveReferences(R, RV);
626 if (Args != NewArgs || Op != Val)
627 return new DagInit(Op, NewArgs, ArgNames);
633 void DagInit::print(std::ostream &OS) const {
636 OS << " " << *Args[0];
637 if (!ArgNames[0].empty()) OS << ":$" << ArgNames[0];
638 for (unsigned i = 1, e = Args.size(); i != e; ++i) {
639 OS << ", " << *Args[i];
640 if (!ArgNames[i].empty()) OS << ":$" << ArgNames[i];
647 //===----------------------------------------------------------------------===//
648 // Other implementations
649 //===----------------------------------------------------------------------===//
651 RecordVal::RecordVal(const std::string &N, RecTy *T, unsigned P)
652 : Name(N), Ty(T), Prefix(P) {
653 Value = Ty->convertValue(new UnsetInit());
654 assert(Value && "Cannot create unset value for current type!");
657 void RecordVal::dump() const { cerr << *this; }
659 void RecordVal::print(std::ostream &OS, bool PrintSem) const {
660 if (getPrefix()) OS << "field ";
661 OS << *getType() << " " << getName();
664 OS << " = " << *getValue();
666 if (PrintSem) OS << ";\n";
669 void Record::setName(const std::string &Name) {
670 if (Records.getDef(getName()) == this) {
671 Records.removeDef(getName());
673 Records.addDef(this);
675 Records.removeClass(getName());
677 Records.addClass(this);
681 /// resolveReferencesTo - If anything in this record refers to RV, replace the
682 /// reference to RV with the RHS of RV. If RV is null, we resolve all possible
684 void Record::resolveReferencesTo(const RecordVal *RV) {
685 for (unsigned i = 0, e = Values.size(); i != e; ++i) {
686 if (Init *V = Values[i].getValue())
687 Values[i].setValue(V->resolveReferences(*this, RV));
692 void Record::dump() const { cerr << *this; }
694 std::ostream &llvm::operator<<(std::ostream &OS, const Record &R) {
697 const std::vector<std::string> &TArgs = R.getTemplateArgs();
698 if (!TArgs.empty()) {
700 for (unsigned i = 0, e = TArgs.size(); i != e; ++i) {
702 const RecordVal *RV = R.getValue(TArgs[i]);
703 assert(RV && "Template argument record not found??");
704 RV->print(OS, false);
710 const std::vector<Record*> &SC = R.getSuperClasses();
713 for (unsigned i = 0, e = SC.size(); i != e; ++i)
714 OS << " " << SC[i]->getName();
718 const std::vector<RecordVal> &Vals = R.getValues();
719 for (unsigned i = 0, e = Vals.size(); i != e; ++i)
720 if (Vals[i].getPrefix() && !R.isTemplateArg(Vals[i].getName()))
722 for (unsigned i = 0, e = Vals.size(); i != e; ++i)
723 if (!Vals[i].getPrefix() && !R.isTemplateArg(Vals[i].getName()))
729 /// getValueInit - Return the initializer for a value with the specified name,
730 /// or throw an exception if the field does not exist.
732 Init *Record::getValueInit(const std::string &FieldName) const {
733 const RecordVal *R = getValue(FieldName);
734 if (R == 0 || R->getValue() == 0)
735 throw "Record `" + getName() + "' does not have a field named `" +
737 return R->getValue();
741 /// getValueAsString - This method looks up the specified field and returns its
742 /// value as a string, throwing an exception if the field does not exist or if
743 /// the value is not a string.
745 std::string Record::getValueAsString(const std::string &FieldName) const {
746 const RecordVal *R = getValue(FieldName);
747 if (R == 0 || R->getValue() == 0)
748 throw "Record `" + getName() + "' does not have a field named `" +
751 if (const StringInit *SI = dynamic_cast<const StringInit*>(R->getValue()))
752 return SI->getValue();
753 throw "Record `" + getName() + "', field `" + FieldName +
754 "' does not have a string initializer!";
757 /// getValueAsBitsInit - This method looks up the specified field and returns
758 /// its value as a BitsInit, throwing an exception if the field does not exist
759 /// or if the value is not the right type.
761 BitsInit *Record::getValueAsBitsInit(const std::string &FieldName) const {
762 const RecordVal *R = getValue(FieldName);
763 if (R == 0 || R->getValue() == 0)
764 throw "Record `" + getName() + "' does not have a field named `" +
767 if (BitsInit *BI = dynamic_cast<BitsInit*>(R->getValue()))
769 throw "Record `" + getName() + "', field `" + FieldName +
770 "' does not have a BitsInit initializer!";
773 /// getValueAsListInit - This method looks up the specified field and returns
774 /// its value as a ListInit, throwing an exception if the field does not exist
775 /// or if the value is not the right type.
777 ListInit *Record::getValueAsListInit(const std::string &FieldName) const {
778 const RecordVal *R = getValue(FieldName);
779 if (R == 0 || R->getValue() == 0)
780 throw "Record `" + getName() + "' does not have a field named `" +
783 if (ListInit *LI = dynamic_cast<ListInit*>(R->getValue()))
785 throw "Record `" + getName() + "', field `" + FieldName +
786 "' does not have a list initializer!";
789 /// getValueAsListOfDefs - This method looks up the specified field and returns
790 /// its value as a vector of records, throwing an exception if the field does
791 /// not exist or if the value is not the right type.
794 Record::getValueAsListOfDefs(const std::string &FieldName) const {
795 ListInit *List = getValueAsListInit(FieldName);
796 std::vector<Record*> Defs;
797 for (unsigned i = 0; i < List->getSize(); i++) {
798 if (DefInit *DI = dynamic_cast<DefInit*>(List->getElement(i))) {
799 Defs.push_back(DI->getDef());
801 throw "Record `" + getName() + "', field `" + FieldName +
802 "' list is not entirely DefInit!";
808 /// getValueAsInt - This method looks up the specified field and returns its
809 /// value as an int, throwing an exception if the field does not exist or if
810 /// the value is not the right type.
812 int Record::getValueAsInt(const std::string &FieldName) const {
813 const RecordVal *R = getValue(FieldName);
814 if (R == 0 || R->getValue() == 0)
815 throw "Record `" + getName() + "' does not have a field named `" +
818 if (IntInit *II = dynamic_cast<IntInit*>(R->getValue()))
819 return II->getValue();
820 throw "Record `" + getName() + "', field `" + FieldName +
821 "' does not have an int initializer!";
824 /// getValueAsDef - This method looks up the specified field and returns its
825 /// value as a Record, throwing an exception if the field does not exist or if
826 /// the value is not the right type.
828 Record *Record::getValueAsDef(const std::string &FieldName) const {
829 const RecordVal *R = getValue(FieldName);
830 if (R == 0 || R->getValue() == 0)
831 throw "Record `" + getName() + "' does not have a field named `" +
834 if (DefInit *DI = dynamic_cast<DefInit*>(R->getValue()))
836 throw "Record `" + getName() + "', field `" + FieldName +
837 "' does not have a def initializer!";
840 /// getValueAsBit - This method looks up the specified field and returns its
841 /// value as a bit, throwing an exception if the field does not exist or if
842 /// the value is not the right type.
844 bool Record::getValueAsBit(const std::string &FieldName) const {
845 const RecordVal *R = getValue(FieldName);
846 if (R == 0 || R->getValue() == 0)
847 throw "Record `" + getName() + "' does not have a field named `" +
850 if (BitInit *BI = dynamic_cast<BitInit*>(R->getValue()))
851 return BI->getValue();
852 throw "Record `" + getName() + "', field `" + FieldName +
853 "' does not have a bit initializer!";
856 /// getValueAsDag - This method looks up the specified field and returns its
857 /// value as an Dag, throwing an exception if the field does not exist or if
858 /// the value is not the right type.
860 DagInit *Record::getValueAsDag(const std::string &FieldName) const {
861 const RecordVal *R = getValue(FieldName);
862 if (R == 0 || R->getValue() == 0)
863 throw "Record `" + getName() + "' does not have a field named `" +
866 if (DagInit *DI = dynamic_cast<DagInit*>(R->getValue()))
868 throw "Record `" + getName() + "', field `" + FieldName +
869 "' does not have a dag initializer!";
872 std::string Record::getValueAsCode(const std::string &FieldName) const {
873 const RecordVal *R = getValue(FieldName);
874 if (R == 0 || R->getValue() == 0)
875 throw "Record `" + getName() + "' does not have a field named `" +
878 if (const CodeInit *CI = dynamic_cast<const CodeInit*>(R->getValue()))
879 return CI->getValue();
880 throw "Record `" + getName() + "', field `" + FieldName +
881 "' does not have a code initializer!";
885 void RecordKeeper::dump() const { cerr << *this; }
887 std::ostream &llvm::operator<<(std::ostream &OS, const RecordKeeper &RK) {
888 OS << "------------- Classes -----------------\n";
889 const std::map<std::string, Record*> &Classes = RK.getClasses();
890 for (std::map<std::string, Record*>::const_iterator I = Classes.begin(),
891 E = Classes.end(); I != E; ++I)
892 OS << "class " << *I->second;
894 OS << "------------- Defs -----------------\n";
895 const std::map<std::string, Record*> &Defs = RK.getDefs();
896 for (std::map<std::string, Record*>::const_iterator I = Defs.begin(),
897 E = Defs.end(); I != E; ++I)
898 OS << "def " << *I->second;
903 /// getAllDerivedDefinitions - This method returns all concrete definitions
904 /// that derive from the specified class name. If a class with the specified
905 /// name does not exist, an error is printed and true is returned.
907 RecordKeeper::getAllDerivedDefinitions(const std::string &ClassName) const {
908 Record *Class = Records.getClass(ClassName);
910 throw "ERROR: Couldn't find the `" + ClassName + "' class!\n";
912 std::vector<Record*> Defs;
913 for (std::map<std::string, Record*>::const_iterator I = getDefs().begin(),
914 E = getDefs().end(); I != E; ++I)
915 if (I->second->isSubClassOf(Class))
916 Defs.push_back(I->second);