1 //===- Record.cpp - Record implementation ---------------------------------===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // 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"
17 #include "llvm/ADT/StringExtras.h"
22 //===----------------------------------------------------------------------===//
23 // Type implementations
24 //===----------------------------------------------------------------------===//
26 void RecTy::dump() const { print(*cerr.stream()); }
28 Init *BitRecTy::convertValue(BitsInit *BI) {
29 if (BI->getNumBits() != 1) return 0; // Only accept if just one bit!
33 bool BitRecTy::baseClassOf(const BitsRecTy *RHS) const {
34 return RHS->getNumBits() == 1;
37 Init *BitRecTy::convertValue(IntInit *II) {
38 int64_t Val = II->getValue();
39 if (Val != 0 && Val != 1) return 0; // Only accept 0 or 1 for a bit!
41 return new BitInit(Val != 0);
44 Init *BitRecTy::convertValue(TypedInit *VI) {
45 if (dynamic_cast<BitRecTy*>(VI->getType()))
46 return VI; // Accept variable if it is already of bit type!
50 std::string BitsRecTy::getAsString() const {
51 return "bits<" + utostr(Size) + ">";
54 Init *BitsRecTy::convertValue(UnsetInit *UI) {
55 BitsInit *Ret = new BitsInit(Size);
57 for (unsigned i = 0; i != Size; ++i)
58 Ret->setBit(i, new UnsetInit());
62 Init *BitsRecTy::convertValue(BitInit *UI) {
63 if (Size != 1) return 0; // Can only convert single bit...
64 BitsInit *Ret = new BitsInit(1);
69 // convertValue from Int initializer to bits type: Split the integer up into the
70 // appropriate bits...
72 Init *BitsRecTy::convertValue(IntInit *II) {
73 int64_t Value = II->getValue();
74 // Make sure this bitfield is large enough to hold the integer value...
76 if (Value & ~((1LL << Size)-1))
79 if ((Value >> Size) != -1 || ((Value & (1LL << (Size-1))) == 0))
83 BitsInit *Ret = new BitsInit(Size);
84 for (unsigned i = 0; i != Size; ++i)
85 Ret->setBit(i, new BitInit(Value & (1LL << i)));
90 Init *BitsRecTy::convertValue(BitsInit *BI) {
91 // If the number of bits is right, return it. Otherwise we need to expand or
93 if (BI->getNumBits() == Size) return BI;
97 Init *BitsRecTy::convertValue(TypedInit *VI) {
98 if (BitsRecTy *BRT = dynamic_cast<BitsRecTy*>(VI->getType()))
99 if (BRT->Size == Size) {
100 BitsInit *Ret = new BitsInit(Size);
101 for (unsigned i = 0; i != Size; ++i)
102 Ret->setBit(i, new VarBitInit(VI, i));
105 if (Size == 1 && dynamic_cast<BitRecTy*>(VI->getType())) {
106 BitsInit *Ret = new BitsInit(1);
114 Init *IntRecTy::convertValue(BitInit *BI) {
115 return new IntInit(BI->getValue());
118 Init *IntRecTy::convertValue(BitsInit *BI) {
120 for (unsigned i = 0, e = BI->getNumBits(); i != e; ++i)
121 if (BitInit *Bit = dynamic_cast<BitInit*>(BI->getBit(i))) {
122 Result |= Bit->getValue() << i;
126 return new IntInit(Result);
129 Init *IntRecTy::convertValue(TypedInit *TI) {
130 if (TI->getType()->typeIsConvertibleTo(this))
131 return TI; // Accept variable if already of the right type!
135 Init *StringRecTy::convertValue(BinOpInit *BO) {
136 if (BO->getOpcode() == BinOpInit::STRCONCAT) {
137 Init *L = BO->getLHS()->convertInitializerTo(this);
138 Init *R = BO->getRHS()->convertInitializerTo(this);
139 if (L == 0 || R == 0) return 0;
140 if (L != BO->getLHS() || R != BO->getRHS())
141 return new BinOpInit(BinOpInit::STRCONCAT, L, R);
148 Init *StringRecTy::convertValue(TypedInit *TI) {
149 if (dynamic_cast<StringRecTy*>(TI->getType()))
150 return TI; // Accept variable if already of the right type!
154 std::string ListRecTy::getAsString() const {
155 return "list<" + Ty->getAsString() + ">";
158 Init *ListRecTy::convertValue(ListInit *LI) {
159 std::vector<Init*> Elements;
161 // Verify that all of the elements of the list are subclasses of the
162 // appropriate class!
163 for (unsigned i = 0, e = LI->getSize(); i != e; ++i)
164 if (Init *CI = LI->getElement(i)->convertInitializerTo(Ty))
165 Elements.push_back(CI);
169 return new ListInit(Elements);
172 Init *ListRecTy::convertValue(TypedInit *TI) {
173 // Ensure that TI is compatible with our class.
174 if (ListRecTy *LRT = dynamic_cast<ListRecTy*>(TI->getType()))
175 if (LRT->getElementType()->typeIsConvertibleTo(getElementType()))
180 Init *CodeRecTy::convertValue(TypedInit *TI) {
181 if (TI->getType()->typeIsConvertibleTo(this))
186 Init *DagRecTy::convertValue(TypedInit *TI) {
187 if (TI->getType()->typeIsConvertibleTo(this))
192 Init *DagRecTy::convertValue(BinOpInit *BO) {
193 if (BO->getOpcode() == BinOpInit::CONCAT) {
194 Init *L = BO->getLHS()->convertInitializerTo(this);
195 Init *R = BO->getRHS()->convertInitializerTo(this);
196 if (L == 0 || R == 0) return 0;
197 if (L != BO->getLHS() || R != BO->getRHS())
198 return new BinOpInit(BinOpInit::CONCAT, L, R);
204 std::string RecordRecTy::getAsString() const {
205 return Rec->getName();
208 Init *RecordRecTy::convertValue(DefInit *DI) {
209 // Ensure that DI is a subclass of Rec.
210 if (!DI->getDef()->isSubClassOf(Rec))
215 Init *RecordRecTy::convertValue(TypedInit *TI) {
216 // Ensure that TI is compatible with Rec.
217 if (RecordRecTy *RRT = dynamic_cast<RecordRecTy*>(TI->getType()))
218 if (RRT->getRecord()->isSubClassOf(getRecord()) ||
219 RRT->getRecord() == getRecord())
224 bool RecordRecTy::baseClassOf(const RecordRecTy *RHS) const {
225 return Rec == RHS->getRecord() || RHS->getRecord()->isSubClassOf(Rec);
229 //===----------------------------------------------------------------------===//
230 // Initializer implementations
231 //===----------------------------------------------------------------------===//
233 void Init::dump() const { return print(*cerr.stream()); }
235 Init *BitsInit::convertInitializerBitRange(const std::vector<unsigned> &Bits) {
236 BitsInit *BI = new BitsInit(Bits.size());
237 for (unsigned i = 0, e = Bits.size(); i != e; ++i) {
238 if (Bits[i] >= getNumBits()) {
242 BI->setBit(i, getBit(Bits[i]));
247 std::string BitsInit::getAsString() const {
248 //if (!printInHex(OS)) return;
249 //if (!printAsVariable(OS)) return;
250 //if (!printAsUnset(OS)) return;
252 std::string Result = "{ ";
253 for (unsigned i = 0, e = getNumBits(); i != e; ++i) {
254 if (i) Result += ", ";
255 if (Init *Bit = getBit(e-i-1))
256 Result += Bit->getAsString();
260 return Result + " }";
263 bool BitsInit::printInHex(std::ostream &OS) const {
264 // First, attempt to convert the value into an integer value...
266 for (unsigned i = 0, e = getNumBits(); i != e; ++i)
267 if (BitInit *Bit = dynamic_cast<BitInit*>(getBit(i))) {
268 Result |= Bit->getValue() << i;
273 OS << "0x" << std::hex << Result << std::dec;
277 bool BitsInit::printAsVariable(std::ostream &OS) const {
278 // Get the variable that we may be set equal to...
279 assert(getNumBits() != 0);
280 VarBitInit *FirstBit = dynamic_cast<VarBitInit*>(getBit(0));
281 if (FirstBit == 0) return true;
282 TypedInit *Var = FirstBit->getVariable();
284 // Check to make sure the types are compatible.
285 BitsRecTy *Ty = dynamic_cast<BitsRecTy*>(FirstBit->getVariable()->getType());
286 if (Ty == 0) return true;
287 if (Ty->getNumBits() != getNumBits()) return true; // Incompatible types!
289 // Check to make sure all bits are referring to the right bits in the variable
290 for (unsigned i = 0, e = getNumBits(); i != e; ++i) {
291 VarBitInit *Bit = dynamic_cast<VarBitInit*>(getBit(i));
292 if (Bit == 0 || Bit->getVariable() != Var || Bit->getBitNum() != i)
300 bool BitsInit::printAsUnset(std::ostream &OS) const {
301 for (unsigned i = 0, e = getNumBits(); i != e; ++i)
302 if (!dynamic_cast<UnsetInit*>(getBit(i)))
308 // resolveReferences - If there are any field references that refer to fields
309 // that have been filled in, we can propagate the values now.
311 Init *BitsInit::resolveReferences(Record &R, const RecordVal *RV) {
312 bool Changed = false;
313 BitsInit *New = new BitsInit(getNumBits());
315 for (unsigned i = 0, e = Bits.size(); i != e; ++i) {
317 Init *CurBit = getBit(i);
321 CurBit = CurBit->resolveReferences(R, RV);
322 Changed |= B != CurBit;
323 } while (B != CurBit);
324 New->setBit(i, CurBit);
333 std::string IntInit::getAsString() const {
334 return itostr(Value);
337 Init *IntInit::convertInitializerBitRange(const std::vector<unsigned> &Bits) {
338 BitsInit *BI = new BitsInit(Bits.size());
340 for (unsigned i = 0, e = Bits.size(); i != e; ++i) {
345 BI->setBit(i, new BitInit(Value & (INT64_C(1) << Bits[i])));
350 Init *ListInit::convertInitListSlice(const std::vector<unsigned> &Elements) {
351 std::vector<Init*> Vals;
352 for (unsigned i = 0, e = Elements.size(); i != e; ++i) {
353 if (Elements[i] >= getSize())
355 Vals.push_back(getElement(Elements[i]));
357 return new ListInit(Vals);
360 Record *ListInit::getElementAsRecord(unsigned i) const {
361 assert(i < Values.size() && "List element index out of range!");
362 DefInit *DI = dynamic_cast<DefInit*>(Values[i]);
363 if (DI == 0) throw "Expected record in list!";
367 Init *ListInit::resolveReferences(Record &R, const RecordVal *RV) {
368 std::vector<Init*> Resolved;
369 Resolved.reserve(getSize());
370 bool Changed = false;
372 for (unsigned i = 0, e = getSize(); i != e; ++i) {
374 Init *CurElt = getElement(i);
378 CurElt = CurElt->resolveReferences(R, RV);
379 Changed |= E != CurElt;
380 } while (E != CurElt);
381 Resolved.push_back(E);
385 return new ListInit(Resolved);
389 std::string ListInit::getAsString() const {
390 std::string Result = "[";
391 for (unsigned i = 0, e = Values.size(); i != e; ++i) {
392 if (i) Result += ", ";
393 Result += Values[i]->getAsString();
398 Init *BinOpInit::Fold() {
399 switch (getOpcode()) {
400 default: assert(0 && "Unknown binop");
402 DagInit *LHSs = dynamic_cast<DagInit*>(LHS);
403 DagInit *RHSs = dynamic_cast<DagInit*>(RHS);
405 DefInit *LOp = dynamic_cast<DefInit*>(LHSs->getOperator());
406 DefInit *ROp = dynamic_cast<DefInit*>(RHSs->getOperator());
407 if (LOp->getDef() != ROp->getDef()) {
409 LOp->getDef()->getName() == "outs" ||
410 LOp->getDef()->getName() != "ins" ||
411 LOp->getDef()->getName() != "defs";
413 ROp->getDef()->getName() == "outs" ||
414 ROp->getDef()->getName() != "ins" ||
415 ROp->getDef()->getName() != "defs";
416 if (!LIsOps || !RIsOps)
417 throw "Concated Dag operators do not match!";
419 std::vector<Init*> Args;
420 std::vector<std::string> ArgNames;
421 for (unsigned i = 0, e = LHSs->getNumArgs(); i != e; ++i) {
422 Args.push_back(LHSs->getArg(i));
423 ArgNames.push_back(LHSs->getArgName(i));
425 for (unsigned i = 0, e = RHSs->getNumArgs(); i != e; ++i) {
426 Args.push_back(RHSs->getArg(i));
427 ArgNames.push_back(RHSs->getArgName(i));
429 return new DagInit(LHSs->getOperator(), Args, ArgNames);
434 StringInit *LHSs = dynamic_cast<StringInit*>(LHS);
435 StringInit *RHSs = dynamic_cast<StringInit*>(RHS);
437 return new StringInit(LHSs->getValue() + RHSs->getValue());
443 IntInit *LHSi = dynamic_cast<IntInit*>(LHS);
444 IntInit *RHSi = dynamic_cast<IntInit*>(RHS);
446 int64_t LHSv = LHSi->getValue(), RHSv = RHSi->getValue();
448 switch (getOpcode()) {
449 default: assert(0 && "Bad opcode!");
450 case SHL: Result = LHSv << RHSv; break;
451 case SRA: Result = LHSv >> RHSv; break;
452 case SRL: Result = (uint64_t)LHSv >> (uint64_t)RHSv; break;
454 return new IntInit(Result);
462 Init *BinOpInit::resolveReferences(Record &R, const RecordVal *RV) {
463 Init *lhs = LHS->resolveReferences(R, RV);
464 Init *rhs = RHS->resolveReferences(R, RV);
466 if (LHS != lhs || RHS != rhs)
467 return (new BinOpInit(getOpcode(), lhs, rhs))->Fold();
471 std::string BinOpInit::getAsString() const {
474 case CONCAT: Result = "!con"; break;
475 case SHL: Result = "!shl"; break;
476 case SRA: Result = "!sra"; break;
477 case SRL: Result = "!srl"; break;
478 case STRCONCAT: Result = "!strconcat"; break;
480 return Result + "(" + LHS->getAsString() + ", " + RHS->getAsString() + ")";
483 Init *TypedInit::convertInitializerBitRange(const std::vector<unsigned> &Bits) {
484 BitsRecTy *T = dynamic_cast<BitsRecTy*>(getType());
485 if (T == 0) return 0; // Cannot subscript a non-bits variable...
486 unsigned NumBits = T->getNumBits();
488 BitsInit *BI = new BitsInit(Bits.size());
489 for (unsigned i = 0, e = Bits.size(); i != e; ++i) {
490 if (Bits[i] >= NumBits) {
494 BI->setBit(i, new VarBitInit(this, Bits[i]));
499 Init *TypedInit::convertInitListSlice(const std::vector<unsigned> &Elements) {
500 ListRecTy *T = dynamic_cast<ListRecTy*>(getType());
501 if (T == 0) return 0; // Cannot subscript a non-list variable...
503 if (Elements.size() == 1)
504 return new VarListElementInit(this, Elements[0]);
506 std::vector<Init*> ListInits;
507 ListInits.reserve(Elements.size());
508 for (unsigned i = 0, e = Elements.size(); i != e; ++i)
509 ListInits.push_back(new VarListElementInit(this, Elements[i]));
510 return new ListInit(ListInits);
514 Init *VarInit::resolveBitReference(Record &R, const RecordVal *IRV,
516 if (R.isTemplateArg(getName())) return 0;
517 if (IRV && IRV->getName() != getName()) return 0;
519 RecordVal *RV = R.getValue(getName());
520 assert(RV && "Reference to a non-existant variable?");
521 assert(dynamic_cast<BitsInit*>(RV->getValue()));
522 BitsInit *BI = (BitsInit*)RV->getValue();
524 assert(Bit < BI->getNumBits() && "Bit reference out of range!");
525 Init *B = BI->getBit(Bit);
527 if (!dynamic_cast<UnsetInit*>(B)) // If the bit is not set...
528 return B; // Replace the VarBitInit with it.
532 Init *VarInit::resolveListElementReference(Record &R, const RecordVal *IRV,
534 if (R.isTemplateArg(getName())) return 0;
535 if (IRV && IRV->getName() != getName()) return 0;
537 RecordVal *RV = R.getValue(getName());
538 assert(RV && "Reference to a non-existant variable?");
539 ListInit *LI = dynamic_cast<ListInit*>(RV->getValue());
540 assert(LI && "Invalid list element!");
542 if (Elt >= LI->getSize())
543 return 0; // Out of range reference.
544 Init *E = LI->getElement(Elt);
545 if (!dynamic_cast<UnsetInit*>(E)) // If the element is set
546 return E; // Replace the VarListElementInit with it.
551 RecTy *VarInit::getFieldType(const std::string &FieldName) const {
552 if (RecordRecTy *RTy = dynamic_cast<RecordRecTy*>(getType()))
553 if (const RecordVal *RV = RTy->getRecord()->getValue(FieldName))
554 return RV->getType();
558 Init *VarInit::getFieldInit(Record &R, const std::string &FieldName) const {
559 if (dynamic_cast<RecordRecTy*>(getType()))
560 if (const RecordVal *RV = R.getValue(VarName)) {
561 Init *TheInit = RV->getValue();
562 assert(TheInit != this && "Infinite loop detected!");
563 if (Init *I = TheInit->getFieldInit(R, FieldName))
571 /// resolveReferences - This method is used by classes that refer to other
572 /// variables which may not be defined at the time they expression is formed.
573 /// If a value is set for the variable later, this method will be called on
574 /// users of the value to allow the value to propagate out.
576 Init *VarInit::resolveReferences(Record &R, const RecordVal *RV) {
577 if (RecordVal *Val = R.getValue(VarName))
578 if (RV == Val || (RV == 0 && !dynamic_cast<UnsetInit*>(Val->getValue())))
579 return Val->getValue();
583 std::string VarBitInit::getAsString() const {
584 return TI->getAsString() + "{" + utostr(Bit) + "}";
587 Init *VarBitInit::resolveReferences(Record &R, const RecordVal *RV) {
588 if (Init *I = getVariable()->resolveBitReference(R, RV, getBitNum()))
593 std::string VarListElementInit::getAsString() const {
594 return TI->getAsString() + "[" + utostr(Element) + "]";
597 Init *VarListElementInit::resolveReferences(Record &R, const RecordVal *RV) {
598 if (Init *I = getVariable()->resolveListElementReference(R, RV,
604 Init *VarListElementInit::resolveBitReference(Record &R, const RecordVal *RV,
606 // FIXME: This should be implemented, to support references like:
611 Init *VarListElementInit::
612 resolveListElementReference(Record &R, const RecordVal *RV, unsigned Elt) {
613 // FIXME: This should be implemented, to support references like:
618 RecTy *DefInit::getFieldType(const std::string &FieldName) const {
619 if (const RecordVal *RV = Def->getValue(FieldName))
620 return RV->getType();
624 Init *DefInit::getFieldInit(Record &R, const std::string &FieldName) const {
625 return Def->getValue(FieldName)->getValue();
629 std::string DefInit::getAsString() const {
630 return Def->getName();
633 Init *FieldInit::resolveBitReference(Record &R, const RecordVal *RV,
635 if (Init *BitsVal = Rec->getFieldInit(R, FieldName))
636 if (BitsInit *BI = dynamic_cast<BitsInit*>(BitsVal)) {
637 assert(Bit < BI->getNumBits() && "Bit reference out of range!");
638 Init *B = BI->getBit(Bit);
640 if (dynamic_cast<BitInit*>(B)) // If the bit is set...
641 return B; // Replace the VarBitInit with it.
646 Init *FieldInit::resolveListElementReference(Record &R, const RecordVal *RV,
648 if (Init *ListVal = Rec->getFieldInit(R, FieldName))
649 if (ListInit *LI = dynamic_cast<ListInit*>(ListVal)) {
650 if (Elt >= LI->getSize()) return 0;
651 Init *E = LI->getElement(Elt);
653 if (!dynamic_cast<UnsetInit*>(E)) // If the bit is set...
654 return E; // Replace the VarListElementInit with it.
659 Init *FieldInit::resolveReferences(Record &R, const RecordVal *RV) {
660 Init *NewRec = RV ? Rec->resolveReferences(R, RV) : Rec;
662 Init *BitsVal = NewRec->getFieldInit(R, FieldName);
664 Init *BVR = BitsVal->resolveReferences(R, RV);
665 return BVR->isComplete() ? BVR : this;
669 return new FieldInit(NewRec, FieldName);
674 Init *DagInit::resolveReferences(Record &R, const RecordVal *RV) {
675 std::vector<Init*> NewArgs;
676 for (unsigned i = 0, e = Args.size(); i != e; ++i)
677 NewArgs.push_back(Args[i]->resolveReferences(R, RV));
679 Init *Op = Val->resolveReferences(R, RV);
681 if (Args != NewArgs || Op != Val)
682 return new DagInit(Op, NewArgs, ArgNames);
688 std::string DagInit::getAsString() const {
689 std::string Result = "(" + Val->getAsString();
691 Result += " " + Args[0]->getAsString();
692 if (!ArgNames[0].empty()) Result += ":$" + ArgNames[0];
693 for (unsigned i = 1, e = Args.size(); i != e; ++i) {
694 Result += ", " + Args[i]->getAsString();
695 if (!ArgNames[i].empty()) Result += ":$" + ArgNames[i];
702 //===----------------------------------------------------------------------===//
703 // Other implementations
704 //===----------------------------------------------------------------------===//
706 RecordVal::RecordVal(const std::string &N, RecTy *T, unsigned P)
707 : Name(N), Ty(T), Prefix(P) {
708 Value = Ty->convertValue(new UnsetInit());
709 assert(Value && "Cannot create unset value for current type!");
712 void RecordVal::dump() const { cerr << *this; }
714 void RecordVal::print(std::ostream &OS, bool PrintSem) const {
715 if (getPrefix()) OS << "field ";
716 OS << *getType() << " " << getName();
719 OS << " = " << *getValue();
721 if (PrintSem) OS << ";\n";
724 void Record::setName(const std::string &Name) {
725 if (Records.getDef(getName()) == this) {
726 Records.removeDef(getName());
728 Records.addDef(this);
730 Records.removeClass(getName());
732 Records.addClass(this);
736 /// resolveReferencesTo - If anything in this record refers to RV, replace the
737 /// reference to RV with the RHS of RV. If RV is null, we resolve all possible
739 void Record::resolveReferencesTo(const RecordVal *RV) {
740 for (unsigned i = 0, e = Values.size(); i != e; ++i) {
741 if (Init *V = Values[i].getValue())
742 Values[i].setValue(V->resolveReferences(*this, RV));
747 void Record::dump() const { cerr << *this; }
749 std::ostream &llvm::operator<<(std::ostream &OS, const Record &R) {
752 const std::vector<std::string> &TArgs = R.getTemplateArgs();
753 if (!TArgs.empty()) {
755 for (unsigned i = 0, e = TArgs.size(); i != e; ++i) {
757 const RecordVal *RV = R.getValue(TArgs[i]);
758 assert(RV && "Template argument record not found??");
759 RV->print(OS, false);
765 const std::vector<Record*> &SC = R.getSuperClasses();
768 for (unsigned i = 0, e = SC.size(); i != e; ++i)
769 OS << " " << SC[i]->getName();
773 const std::vector<RecordVal> &Vals = R.getValues();
774 for (unsigned i = 0, e = Vals.size(); i != e; ++i)
775 if (Vals[i].getPrefix() && !R.isTemplateArg(Vals[i].getName()))
777 for (unsigned i = 0, e = Vals.size(); i != e; ++i)
778 if (!Vals[i].getPrefix() && !R.isTemplateArg(Vals[i].getName()))
784 /// getValueInit - Return the initializer for a value with the specified name,
785 /// or throw an exception if the field does not exist.
787 Init *Record::getValueInit(const std::string &FieldName) const {
788 const RecordVal *R = getValue(FieldName);
789 if (R == 0 || R->getValue() == 0)
790 throw "Record `" + getName() + "' does not have a field named `" +
792 return R->getValue();
796 /// getValueAsString - This method looks up the specified field and returns its
797 /// value as a string, throwing an exception if the field does not exist or if
798 /// the value is not a string.
800 std::string Record::getValueAsString(const std::string &FieldName) const {
801 const RecordVal *R = getValue(FieldName);
802 if (R == 0 || R->getValue() == 0)
803 throw "Record `" + getName() + "' does not have a field named `" +
806 if (const StringInit *SI = dynamic_cast<const StringInit*>(R->getValue()))
807 return SI->getValue();
808 throw "Record `" + getName() + "', field `" + FieldName +
809 "' does not have a string initializer!";
812 /// getValueAsBitsInit - This method looks up the specified field and returns
813 /// its value as a BitsInit, throwing an exception if the field does not exist
814 /// or if the value is not the right type.
816 BitsInit *Record::getValueAsBitsInit(const std::string &FieldName) const {
817 const RecordVal *R = getValue(FieldName);
818 if (R == 0 || R->getValue() == 0)
819 throw "Record `" + getName() + "' does not have a field named `" +
822 if (BitsInit *BI = dynamic_cast<BitsInit*>(R->getValue()))
824 throw "Record `" + getName() + "', field `" + FieldName +
825 "' does not have a BitsInit initializer!";
828 /// getValueAsListInit - This method looks up the specified field and returns
829 /// its value as a ListInit, throwing an exception if the field does not exist
830 /// or if the value is not the right type.
832 ListInit *Record::getValueAsListInit(const std::string &FieldName) const {
833 const RecordVal *R = getValue(FieldName);
834 if (R == 0 || R->getValue() == 0)
835 throw "Record `" + getName() + "' does not have a field named `" +
838 if (ListInit *LI = dynamic_cast<ListInit*>(R->getValue()))
840 throw "Record `" + getName() + "', field `" + FieldName +
841 "' does not have a list initializer!";
844 /// getValueAsListOfDefs - This method looks up the specified field and returns
845 /// its value as a vector of records, throwing an exception if the field does
846 /// not exist or if the value is not the right type.
849 Record::getValueAsListOfDefs(const std::string &FieldName) const {
850 ListInit *List = getValueAsListInit(FieldName);
851 std::vector<Record*> Defs;
852 for (unsigned i = 0; i < List->getSize(); i++) {
853 if (DefInit *DI = dynamic_cast<DefInit*>(List->getElement(i))) {
854 Defs.push_back(DI->getDef());
856 throw "Record `" + getName() + "', field `" + FieldName +
857 "' list is not entirely DefInit!";
863 /// getValueAsInt - This method looks up the specified field and returns its
864 /// value as an int64_t, throwing an exception if the field does not exist or if
865 /// the value is not the right type.
867 int64_t Record::getValueAsInt(const std::string &FieldName) const {
868 const RecordVal *R = getValue(FieldName);
869 if (R == 0 || R->getValue() == 0)
870 throw "Record `" + getName() + "' does not have a field named `" +
873 if (IntInit *II = dynamic_cast<IntInit*>(R->getValue()))
874 return II->getValue();
875 throw "Record `" + getName() + "', field `" + FieldName +
876 "' does not have an int initializer!";
879 /// getValueAsListOfInts - This method looks up the specified field and returns
880 /// its value as a vector of integers, throwing an exception if the field does
881 /// not exist or if the value is not the right type.
884 Record::getValueAsListOfInts(const std::string &FieldName) const {
885 ListInit *List = getValueAsListInit(FieldName);
886 std::vector<int64_t> Ints;
887 for (unsigned i = 0; i < List->getSize(); i++) {
888 if (IntInit *II = dynamic_cast<IntInit*>(List->getElement(i))) {
889 Ints.push_back(II->getValue());
891 throw "Record `" + getName() + "', field `" + FieldName +
892 "' does not have a list of ints initializer!";
898 /// getValueAsDef - This method looks up the specified field and returns its
899 /// value as a Record, throwing an exception if the field does not exist or if
900 /// the value is not the right type.
902 Record *Record::getValueAsDef(const std::string &FieldName) const {
903 const RecordVal *R = getValue(FieldName);
904 if (R == 0 || R->getValue() == 0)
905 throw "Record `" + getName() + "' does not have a field named `" +
908 if (DefInit *DI = dynamic_cast<DefInit*>(R->getValue()))
910 throw "Record `" + getName() + "', field `" + FieldName +
911 "' does not have a def initializer!";
914 /// getValueAsBit - This method looks up the specified field and returns its
915 /// value as a bit, throwing an exception if the field does not exist or if
916 /// the value is not the right type.
918 bool Record::getValueAsBit(const std::string &FieldName) const {
919 const RecordVal *R = getValue(FieldName);
920 if (R == 0 || R->getValue() == 0)
921 throw "Record `" + getName() + "' does not have a field named `" +
924 if (BitInit *BI = dynamic_cast<BitInit*>(R->getValue()))
925 return BI->getValue();
926 throw "Record `" + getName() + "', field `" + FieldName +
927 "' does not have a bit initializer!";
930 /// getValueAsDag - This method looks up the specified field and returns its
931 /// value as an Dag, throwing an exception if the field does not exist or if
932 /// the value is not the right type.
934 DagInit *Record::getValueAsDag(const std::string &FieldName) const {
935 const RecordVal *R = getValue(FieldName);
936 if (R == 0 || R->getValue() == 0)
937 throw "Record `" + getName() + "' does not have a field named `" +
940 if (DagInit *DI = dynamic_cast<DagInit*>(R->getValue()))
942 throw "Record `" + getName() + "', field `" + FieldName +
943 "' does not have a dag initializer!";
946 std::string Record::getValueAsCode(const std::string &FieldName) const {
947 const RecordVal *R = getValue(FieldName);
948 if (R == 0 || R->getValue() == 0)
949 throw "Record `" + getName() + "' does not have a field named `" +
952 if (const CodeInit *CI = dynamic_cast<const CodeInit*>(R->getValue()))
953 return CI->getValue();
954 throw "Record `" + getName() + "', field `" + FieldName +
955 "' does not have a code initializer!";
959 void RecordKeeper::dump() const { cerr << *this; }
961 std::ostream &llvm::operator<<(std::ostream &OS, const RecordKeeper &RK) {
962 OS << "------------- Classes -----------------\n";
963 const std::map<std::string, Record*> &Classes = RK.getClasses();
964 for (std::map<std::string, Record*>::const_iterator I = Classes.begin(),
965 E = Classes.end(); I != E; ++I)
966 OS << "class " << *I->second;
968 OS << "------------- Defs -----------------\n";
969 const std::map<std::string, Record*> &Defs = RK.getDefs();
970 for (std::map<std::string, Record*>::const_iterator I = Defs.begin(),
971 E = Defs.end(); I != E; ++I)
972 OS << "def " << *I->second;
977 /// getAllDerivedDefinitions - This method returns all concrete definitions
978 /// that derive from the specified class name. If a class with the specified
979 /// name does not exist, an error is printed and true is returned.
981 RecordKeeper::getAllDerivedDefinitions(const std::string &ClassName) const {
982 Record *Class = Records.getClass(ClassName);
984 throw "ERROR: Couldn't find the `" + ClassName + "' class!\n";
986 std::vector<Record*> Defs;
987 for (std::map<std::string, Record*>::const_iterator I = getDefs().begin(),
988 E = getDefs().end(); I != E; ++I)
989 if (I->second->isSubClassOf(Class))
990 Defs.push_back(I->second);