forked from OSchip/llvm-project
801 lines
24 KiB
C++
801 lines
24 KiB
C++
//===- Record.cpp - Record implementation ---------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file was developed by the LLVM research group and is distributed under
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// the University of Illinois Open Source License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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//
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//===----------------------------------------------------------------------===//
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#include "Record.h"
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#include "llvm/Support/DataTypes.h"
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using namespace llvm;
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//===----------------------------------------------------------------------===//
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// Type implementations
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//===----------------------------------------------------------------------===//
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void RecTy::dump() const { print(std::cerr); }
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Init *BitRecTy::convertValue(BitsInit *BI) {
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if (BI->getNumBits() != 1) return 0; // Only accept if just one bit!
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return BI->getBit(0);
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}
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bool BitRecTy::baseClassOf(const BitsRecTy *RHS) const {
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return RHS->getNumBits() == 1;
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}
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Init *BitRecTy::convertValue(IntInit *II) {
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int Val = II->getValue();
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if (Val != 0 && Val != 1) return 0; // Only accept 0 or 1 for a bit!
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return new BitInit(Val != 0);
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}
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Init *BitRecTy::convertValue(TypedInit *VI) {
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if (dynamic_cast<BitRecTy*>(VI->getType()))
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return VI; // Accept variable if it is already of bit type!
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return 0;
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}
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Init *BitsRecTy::convertValue(UnsetInit *UI) {
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BitsInit *Ret = new BitsInit(Size);
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for (unsigned i = 0; i != Size; ++i)
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Ret->setBit(i, new UnsetInit());
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return Ret;
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}
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Init *BitsRecTy::convertValue(BitInit *UI) {
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if (Size != 1) return 0; // Can only convert single bit...
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BitsInit *Ret = new BitsInit(1);
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Ret->setBit(0, UI);
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return Ret;
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}
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// convertValue from Int initializer to bits type: Split the integer up into the
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// appropriate bits...
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//
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Init *BitsRecTy::convertValue(IntInit *II) {
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int64_t Value = II->getValue();
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// Make sure this bitfield is large enough to hold the integer value...
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if (Value >= 0) {
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if (Value & ~((1LL << Size)-1))
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return 0;
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} else {
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if ((Value >> Size) != -1 || ((Value & (1 << (Size-1))) == 0))
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return 0;
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}
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BitsInit *Ret = new BitsInit(Size);
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for (unsigned i = 0; i != Size; ++i)
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Ret->setBit(i, new BitInit(Value & (1 << i)));
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return Ret;
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}
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Init *BitsRecTy::convertValue(BitsInit *BI) {
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// If the number of bits is right, return it. Otherwise we need to expand or
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// truncate...
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if (BI->getNumBits() == Size) return BI;
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return 0;
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}
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Init *BitsRecTy::convertValue(TypedInit *VI) {
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if (BitsRecTy *BRT = dynamic_cast<BitsRecTy*>(VI->getType()))
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if (BRT->Size == Size) {
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BitsInit *Ret = new BitsInit(Size);
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for (unsigned i = 0; i != Size; ++i)
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Ret->setBit(i, new VarBitInit(VI, i));
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return Ret;
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}
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if (Size == 1 && dynamic_cast<BitRecTy*>(VI->getType())) {
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BitsInit *Ret = new BitsInit(1);
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Ret->setBit(0, VI);
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return Ret;
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}
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return 0;
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}
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Init *IntRecTy::convertValue(BitInit *BI) {
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return new IntInit(BI->getValue());
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}
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Init *IntRecTy::convertValue(BitsInit *BI) {
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int Result = 0;
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for (unsigned i = 0, e = BI->getNumBits(); i != e; ++i)
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if (BitInit *Bit = dynamic_cast<BitInit*>(BI->getBit(i))) {
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Result |= Bit->getValue() << i;
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} else {
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return 0;
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}
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return new IntInit(Result);
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}
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Init *IntRecTy::convertValue(TypedInit *TI) {
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if (TI->getType()->typeIsConvertibleTo(this))
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return TI; // Accept variable if already of the right type!
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return 0;
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}
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Init *StringRecTy::convertValue(TypedInit *TI) {
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if (dynamic_cast<StringRecTy*>(TI->getType()))
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return TI; // Accept variable if already of the right type!
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return 0;
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}
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void ListRecTy::print(std::ostream &OS) const {
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OS << "list<" << *Ty << ">";
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}
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Init *ListRecTy::convertValue(ListInit *LI) {
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std::vector<Init*> Elements;
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// Verify that all of the elements of the list are subclasses of the
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// appropriate class!
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for (unsigned i = 0, e = LI->getSize(); i != e; ++i)
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if (Init *CI = LI->getElement(i)->convertInitializerTo(Ty))
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Elements.push_back(CI);
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else
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return 0;
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return new ListInit(Elements);
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}
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Init *ListRecTy::convertValue(TypedInit *TI) {
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// Ensure that TI is compatible with our class.
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if (ListRecTy *LRT = dynamic_cast<ListRecTy*>(TI->getType()))
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if (LRT->getElementType()->typeIsConvertibleTo(getElementType()))
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return TI;
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return 0;
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}
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Init *CodeRecTy::convertValue(TypedInit *TI) {
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if (TI->getType()->typeIsConvertibleTo(this))
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return TI;
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return 0;
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}
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Init *DagRecTy::convertValue(TypedInit *TI) {
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if (TI->getType()->typeIsConvertibleTo(this))
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return TI;
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return 0;
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}
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void RecordRecTy::print(std::ostream &OS) const {
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OS << Rec->getName();
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}
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Init *RecordRecTy::convertValue(DefInit *DI) {
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// Ensure that DI is a subclass of Rec.
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if (!DI->getDef()->isSubClassOf(Rec))
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return 0;
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return DI;
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}
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Init *RecordRecTy::convertValue(TypedInit *TI) {
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// Ensure that TI is compatible with Rec.
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if (RecordRecTy *RRT = dynamic_cast<RecordRecTy*>(TI->getType()))
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if (RRT->getRecord()->isSubClassOf(getRecord()) ||
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RRT->getRecord() == getRecord())
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return TI;
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return 0;
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}
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bool RecordRecTy::baseClassOf(const RecordRecTy *RHS) const {
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return Rec == RHS->getRecord() || RHS->getRecord()->isSubClassOf(Rec);
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}
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//===----------------------------------------------------------------------===//
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// Initializer implementations
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//===----------------------------------------------------------------------===//
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void Init::dump() const { return print(std::cerr); }
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Init *BitsInit::convertInitializerBitRange(const std::vector<unsigned> &Bits) {
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BitsInit *BI = new BitsInit(Bits.size());
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for (unsigned i = 0, e = Bits.size(); i != e; ++i) {
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if (Bits[i] >= getNumBits()) {
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delete BI;
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return 0;
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}
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BI->setBit(i, getBit(Bits[i]));
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}
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return BI;
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}
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void BitsInit::print(std::ostream &OS) const {
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//if (!printInHex(OS)) return;
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//if (!printAsVariable(OS)) return;
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//if (!printAsUnset(OS)) return;
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OS << "{ ";
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for (unsigned i = 0, e = getNumBits(); i != e; ++i) {
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if (i) OS << ", ";
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if (Init *Bit = getBit(e-i-1))
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Bit->print(OS);
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else
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OS << "*";
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}
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OS << " }";
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}
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bool BitsInit::printInHex(std::ostream &OS) const {
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// First, attempt to convert the value into an integer value...
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int Result = 0;
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for (unsigned i = 0, e = getNumBits(); i != e; ++i)
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if (BitInit *Bit = dynamic_cast<BitInit*>(getBit(i))) {
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Result |= Bit->getValue() << i;
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} else {
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return true;
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}
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OS << "0x" << std::hex << Result << std::dec;
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return false;
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}
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bool BitsInit::printAsVariable(std::ostream &OS) const {
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// Get the variable that we may be set equal to...
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assert(getNumBits() != 0);
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VarBitInit *FirstBit = dynamic_cast<VarBitInit*>(getBit(0));
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if (FirstBit == 0) return true;
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TypedInit *Var = FirstBit->getVariable();
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// Check to make sure the types are compatible.
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BitsRecTy *Ty = dynamic_cast<BitsRecTy*>(FirstBit->getVariable()->getType());
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if (Ty == 0) return true;
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if (Ty->getNumBits() != getNumBits()) return true; // Incompatible types!
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// Check to make sure all bits are referring to the right bits in the variable
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for (unsigned i = 0, e = getNumBits(); i != e; ++i) {
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VarBitInit *Bit = dynamic_cast<VarBitInit*>(getBit(i));
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if (Bit == 0 || Bit->getVariable() != Var || Bit->getBitNum() != i)
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return true;
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}
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Var->print(OS);
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return false;
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}
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bool BitsInit::printAsUnset(std::ostream &OS) const {
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for (unsigned i = 0, e = getNumBits(); i != e; ++i)
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if (!dynamic_cast<UnsetInit*>(getBit(i)))
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return true;
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OS << "?";
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return false;
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}
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// resolveReferences - If there are any field references that refer to fields
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// that have been filled in, we can propagate the values now.
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//
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Init *BitsInit::resolveReferences(Record &R, const RecordVal *RV) {
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bool Changed = false;
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BitsInit *New = new BitsInit(getNumBits());
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for (unsigned i = 0, e = Bits.size(); i != e; ++i) {
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Init *B;
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Init *CurBit = getBit(i);
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do {
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B = CurBit;
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CurBit = CurBit->resolveReferences(R, RV);
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Changed |= B != CurBit;
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} while (B != CurBit);
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New->setBit(i, CurBit);
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}
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if (Changed)
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return New;
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delete New;
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return this;
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}
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Init *IntInit::getBinaryOp(BinaryOp Op, Init *RHS) {
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IntInit *RHSi = dynamic_cast<IntInit*>(RHS);
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if (RHSi == 0) return 0;
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int NewValue;
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switch (Op) {
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default: assert(0 && "Unknown binop");
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case SHL: NewValue = Value << RHSi->getValue(); break;
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case SRA: NewValue = Value >> RHSi->getValue(); break;
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case SRL: NewValue = (unsigned)Value >> (unsigned)RHSi->getValue(); break;
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}
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return new IntInit(NewValue);
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}
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Init *IntInit::convertInitializerBitRange(const std::vector<unsigned> &Bits) {
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BitsInit *BI = new BitsInit(Bits.size());
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for (unsigned i = 0, e = Bits.size(); i != e; ++i) {
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if (Bits[i] >= 32) {
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delete BI;
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return 0;
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}
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BI->setBit(i, new BitInit(Value & (1 << Bits[i])));
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}
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return BI;
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}
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Init *ListInit::convertInitListSlice(const std::vector<unsigned> &Elements) {
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std::vector<Init*> Vals;
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for (unsigned i = 0, e = Elements.size(); i != e; ++i) {
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if (Elements[i] >= getSize())
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return 0;
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Vals.push_back(getElement(Elements[i]));
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}
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return new ListInit(Vals);
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}
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Init *ListInit::resolveReferences(Record &R, const RecordVal *RV) {
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std::vector<Init*> Resolved;
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Resolved.reserve(getSize());
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bool Changed = false;
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for (unsigned i = 0, e = getSize(); i != e; ++i) {
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Init *E;
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Init *CurElt = getElement(i);
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do {
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E = CurElt;
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CurElt = CurElt->resolveReferences(R, RV);
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Changed |= E != CurElt;
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} while (E != CurElt);
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Resolved.push_back(E);
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}
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if (Changed)
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return new ListInit(Resolved);
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return this;
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}
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void ListInit::print(std::ostream &OS) const {
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OS << "[";
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for (unsigned i = 0, e = Values.size(); i != e; ++i) {
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if (i) OS << ", ";
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OS << *Values[i];
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}
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OS << "]";
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}
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Init *TypedInit::convertInitializerBitRange(const std::vector<unsigned> &Bits) {
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BitsRecTy *T = dynamic_cast<BitsRecTy*>(getType());
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if (T == 0) return 0; // Cannot subscript a non-bits variable...
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unsigned NumBits = T->getNumBits();
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BitsInit *BI = new BitsInit(Bits.size());
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for (unsigned i = 0, e = Bits.size(); i != e; ++i) {
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if (Bits[i] >= NumBits) {
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delete BI;
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return 0;
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}
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BI->setBit(i, new VarBitInit(this, Bits[i]));
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}
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return BI;
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}
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Init *TypedInit::convertInitListSlice(const std::vector<unsigned> &Elements) {
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ListRecTy *T = dynamic_cast<ListRecTy*>(getType());
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if (T == 0) return 0; // Cannot subscript a non-list variable...
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if (Elements.size() == 1)
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return new VarListElementInit(this, Elements[0]);
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std::vector<Init*> ListInits;
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ListInits.reserve(Elements.size());
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for (unsigned i = 0, e = Elements.size(); i != e; ++i)
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ListInits.push_back(new VarListElementInit(this, Elements[i]));
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return new ListInit(ListInits);
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}
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Init *VarInit::resolveBitReference(Record &R, const RecordVal *IRV,
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unsigned Bit) {
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if (R.isTemplateArg(getName())) return 0;
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if (IRV && IRV->getName() != getName()) return 0;
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RecordVal *RV = R.getValue(getName());
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assert(RV && "Reference to a non-existant variable?");
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assert(dynamic_cast<BitsInit*>(RV->getValue()));
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BitsInit *BI = (BitsInit*)RV->getValue();
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assert(Bit < BI->getNumBits() && "Bit reference out of range!");
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Init *B = BI->getBit(Bit);
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if (!dynamic_cast<UnsetInit*>(B)) // If the bit is not set...
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return B; // Replace the VarBitInit with it.
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return 0;
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}
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Init *VarInit::resolveListElementReference(Record &R, const RecordVal *IRV,
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unsigned Elt) {
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if (R.isTemplateArg(getName())) return 0;
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if (IRV && IRV->getName() != getName()) return 0;
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RecordVal *RV = R.getValue(getName());
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assert(RV && "Reference to a non-existant variable?");
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ListInit *LI = dynamic_cast<ListInit*>(RV->getValue());
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assert(LI && "Invalid list element!");
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if (Elt >= LI->getSize())
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return 0; // Out of range reference.
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Init *E = LI->getElement(Elt);
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if (!dynamic_cast<UnsetInit*>(E)) // If the element is set
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return E; // Replace the VarListElementInit with it.
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return 0;
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}
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RecTy *VarInit::getFieldType(const std::string &FieldName) const {
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if (RecordRecTy *RTy = dynamic_cast<RecordRecTy*>(getType()))
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if (const RecordVal *RV = RTy->getRecord()->getValue(FieldName))
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return RV->getType();
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return 0;
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}
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Init *VarInit::getFieldInit(Record &R, const std::string &FieldName) const {
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if (RecordRecTy *RTy = dynamic_cast<RecordRecTy*>(getType()))
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if (const RecordVal *RV = R.getValue(VarName)) {
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Init *TheInit = RV->getValue();
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assert(TheInit != this && "Infinite loop detected!");
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if (Init *I = TheInit->getFieldInit(R, FieldName))
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return I;
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else
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return 0;
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}
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return 0;
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}
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/// resolveReferences - This method is used by classes that refer to other
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/// variables which may not be defined at the time they expression is formed.
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/// If a value is set for the variable later, this method will be called on
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/// users of the value to allow the value to propagate out.
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///
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Init *VarInit::resolveReferences(Record &R, const RecordVal *RV) {
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if (RecordVal *Val = R.getValue(VarName))
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if (RV == Val || (RV == 0 && !dynamic_cast<UnsetInit*>(Val->getValue())))
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return Val->getValue();
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return this;
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}
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Init *VarBitInit::resolveReferences(Record &R, const RecordVal *RV) {
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if (Init *I = getVariable()->resolveBitReference(R, RV, getBitNum()))
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return I;
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return this;
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}
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Init *VarListElementInit::resolveReferences(Record &R, const RecordVal *RV) {
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if (Init *I = getVariable()->resolveListElementReference(R, RV,
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getElementNum()))
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return I;
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return this;
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}
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Init *VarListElementInit::resolveBitReference(Record &R, const RecordVal *RV,
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unsigned Bit) {
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// FIXME: This should be implemented, to support references like:
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// bit B = AA[0]{1};
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return 0;
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}
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Init *VarListElementInit::
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resolveListElementReference(Record &R, const RecordVal *RV, unsigned Elt) {
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// FIXME: This should be implemented, to support references like:
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// int B = AA[0][1];
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return 0;
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}
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RecTy *DefInit::getFieldType(const std::string &FieldName) const {
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if (const RecordVal *RV = Def->getValue(FieldName))
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return RV->getType();
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return 0;
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}
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Init *DefInit::getFieldInit(Record &R, const std::string &FieldName) const {
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return Def->getValue(FieldName)->getValue();
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}
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void DefInit::print(std::ostream &OS) const {
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OS << Def->getName();
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}
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Init *FieldInit::resolveBitReference(Record &R, const RecordVal *RV,
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unsigned Bit) {
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if (Init *BitsVal = Rec->getFieldInit(R, FieldName))
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if (BitsInit *BI = dynamic_cast<BitsInit*>(BitsVal)) {
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assert(Bit < BI->getNumBits() && "Bit reference out of range!");
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Init *B = BI->getBit(Bit);
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if (dynamic_cast<BitInit*>(B)) // If the bit is set...
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return B; // Replace the VarBitInit with it.
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
Init *FieldInit::resolveListElementReference(Record &R, const RecordVal *RV,
|
|
unsigned Elt) {
|
|
if (Init *ListVal = Rec->getFieldInit(R, FieldName))
|
|
if (ListInit *LI = dynamic_cast<ListInit*>(ListVal)) {
|
|
if (Elt >= LI->getSize()) return 0;
|
|
Init *E = LI->getElement(Elt);
|
|
|
|
if (!dynamic_cast<UnsetInit*>(E)) // If the bit is set...
|
|
return E; // Replace the VarListElementInit with it.
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
Init *FieldInit::resolveReferences(Record &R, const RecordVal *RV) {
|
|
Init *NewRec = RV ? Rec->resolveReferences(R, RV) : Rec;
|
|
|
|
Init *BitsVal = NewRec->getFieldInit(R, FieldName);
|
|
if (BitsVal) {
|
|
Init *BVR = BitsVal->resolveReferences(R, RV);
|
|
return BVR->isComplete() ? BVR : this;
|
|
}
|
|
|
|
if (NewRec != Rec) {
|
|
dump();
|
|
NewRec->dump(); std::cerr << "\n";
|
|
return new FieldInit(NewRec, FieldName);
|
|
}
|
|
return this;
|
|
}
|
|
|
|
|
|
void DagInit::print(std::ostream &OS) const {
|
|
OS << "(" << NodeTypeDef->getName();
|
|
if (Args.size()) {
|
|
OS << " " << *Args[0];
|
|
if (!ArgNames[0].empty()) OS << ":$" << ArgNames[0];
|
|
for (unsigned i = 1, e = Args.size(); i != e; ++i) {
|
|
OS << ", " << *Args[i];
|
|
if (!ArgNames[i].empty()) OS << ":$" << ArgNames[i];
|
|
}
|
|
}
|
|
OS << ")";
|
|
}
|
|
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Other implementations
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
RecordVal::RecordVal(const std::string &N, RecTy *T, unsigned P)
|
|
: Name(N), Ty(T), Prefix(P) {
|
|
Value = Ty->convertValue(new UnsetInit());
|
|
assert(Value && "Cannot create unset value for current type!");
|
|
}
|
|
|
|
void RecordVal::dump() const { std::cerr << *this; }
|
|
|
|
void RecordVal::print(std::ostream &OS, bool PrintSem) const {
|
|
if (getPrefix()) OS << "field ";
|
|
OS << *getType() << " " << getName();
|
|
|
|
if (getValue())
|
|
OS << " = " << *getValue();
|
|
|
|
if (PrintSem) OS << ";\n";
|
|
}
|
|
|
|
/// resolveReferencesTo - If anything in this record refers to RV, replace the
|
|
/// reference to RV with the RHS of RV. If RV is null, we resolve all possible
|
|
/// references.
|
|
void Record::resolveReferencesTo(const RecordVal *RV) {
|
|
for (unsigned i = 0, e = Values.size(); i != e; ++i) {
|
|
if (Init *V = Values[i].getValue())
|
|
Values[i].setValue(V->resolveReferences(*this, RV));
|
|
}
|
|
}
|
|
|
|
|
|
void Record::dump() const { std::cerr << *this; }
|
|
|
|
std::ostream &llvm::operator<<(std::ostream &OS, const Record &R) {
|
|
OS << R.getName();
|
|
|
|
const std::vector<std::string> &TArgs = R.getTemplateArgs();
|
|
if (!TArgs.empty()) {
|
|
OS << "<";
|
|
for (unsigned i = 0, e = TArgs.size(); i != e; ++i) {
|
|
if (i) OS << ", ";
|
|
const RecordVal *RV = R.getValue(TArgs[i]);
|
|
assert(RV && "Template argument record not found??");
|
|
RV->print(OS, false);
|
|
}
|
|
OS << ">";
|
|
}
|
|
|
|
OS << " {";
|
|
const std::vector<Record*> &SC = R.getSuperClasses();
|
|
if (!SC.empty()) {
|
|
OS << "\t//";
|
|
for (unsigned i = 0, e = SC.size(); i != e; ++i)
|
|
OS << " " << SC[i]->getName();
|
|
}
|
|
OS << "\n";
|
|
|
|
const std::vector<RecordVal> &Vals = R.getValues();
|
|
for (unsigned i = 0, e = Vals.size(); i != e; ++i)
|
|
if (Vals[i].getPrefix() && !R.isTemplateArg(Vals[i].getName()))
|
|
OS << Vals[i];
|
|
for (unsigned i = 0, e = Vals.size(); i != e; ++i)
|
|
if (!Vals[i].getPrefix() && !R.isTemplateArg(Vals[i].getName()))
|
|
OS << Vals[i];
|
|
|
|
return OS << "}\n";
|
|
}
|
|
|
|
/// getValueInit - Return the initializer for a value with the specified name,
|
|
/// or throw an exception if the field does not exist.
|
|
///
|
|
Init *Record::getValueInit(const std::string &FieldName) const {
|
|
const RecordVal *R = getValue(FieldName);
|
|
if (R == 0 || R->getValue() == 0)
|
|
throw "Record `" + getName() + "' does not have a field named `" +
|
|
FieldName + "'!\n";
|
|
return R->getValue();
|
|
}
|
|
|
|
|
|
/// getValueAsString - This method looks up the specified field and returns its
|
|
/// value as a string, throwing an exception if the field does not exist or if
|
|
/// the value is not a string.
|
|
///
|
|
std::string Record::getValueAsString(const std::string &FieldName) const {
|
|
const RecordVal *R = getValue(FieldName);
|
|
if (R == 0 || R->getValue() == 0)
|
|
throw "Record `" + getName() + "' does not have a field named `" +
|
|
FieldName + "'!\n";
|
|
|
|
if (const StringInit *SI = dynamic_cast<const StringInit*>(R->getValue()))
|
|
return SI->getValue();
|
|
throw "Record `" + getName() + "', field `" + FieldName +
|
|
"' does not have a string initializer!";
|
|
}
|
|
|
|
/// getValueAsBitsInit - This method looks up the specified field and returns
|
|
/// its value as a BitsInit, throwing an exception if the field does not exist
|
|
/// or if the value is not the right type.
|
|
///
|
|
BitsInit *Record::getValueAsBitsInit(const std::string &FieldName) const {
|
|
const RecordVal *R = getValue(FieldName);
|
|
if (R == 0 || R->getValue() == 0)
|
|
throw "Record `" + getName() + "' does not have a field named `" +
|
|
FieldName + "'!\n";
|
|
|
|
if (BitsInit *BI = dynamic_cast<BitsInit*>(R->getValue()))
|
|
return BI;
|
|
throw "Record `" + getName() + "', field `" + FieldName +
|
|
"' does not have a BitsInit initializer!";
|
|
}
|
|
|
|
/// getValueAsListInit - This method looks up the specified field and returns
|
|
/// its value as a ListInit, throwing an exception if the field does not exist
|
|
/// or if the value is not the right type.
|
|
///
|
|
ListInit *Record::getValueAsListInit(const std::string &FieldName) const {
|
|
const RecordVal *R = getValue(FieldName);
|
|
if (R == 0 || R->getValue() == 0)
|
|
throw "Record `" + getName() + "' does not have a field named `" +
|
|
FieldName + "'!\n";
|
|
|
|
if (ListInit *LI = dynamic_cast<ListInit*>(R->getValue()))
|
|
return LI;
|
|
throw "Record `" + getName() + "', field `" + FieldName +
|
|
"' does not have a list initializer!";
|
|
}
|
|
|
|
/// getValueAsInt - This method looks up the specified field and returns its
|
|
/// value as an int, throwing an exception if the field does not exist or if
|
|
/// the value is not the right type.
|
|
///
|
|
int Record::getValueAsInt(const std::string &FieldName) const {
|
|
const RecordVal *R = getValue(FieldName);
|
|
if (R == 0 || R->getValue() == 0)
|
|
throw "Record `" + getName() + "' does not have a field named `" +
|
|
FieldName + "'!\n";
|
|
|
|
if (IntInit *II = dynamic_cast<IntInit*>(R->getValue()))
|
|
return II->getValue();
|
|
throw "Record `" + getName() + "', field `" + FieldName +
|
|
"' does not have a list initializer!";
|
|
}
|
|
|
|
/// getValueAsDef - This method looks up the specified field and returns its
|
|
/// value as a Record, throwing an exception if the field does not exist or if
|
|
/// the value is not the right type.
|
|
///
|
|
Record *Record::getValueAsDef(const std::string &FieldName) const {
|
|
const RecordVal *R = getValue(FieldName);
|
|
if (R == 0 || R->getValue() == 0)
|
|
throw "Record `" + getName() + "' does not have a field named `" +
|
|
FieldName + "'!\n";
|
|
|
|
if (DefInit *DI = dynamic_cast<DefInit*>(R->getValue()))
|
|
return DI->getDef();
|
|
throw "Record `" + getName() + "', field `" + FieldName +
|
|
"' does not have a list initializer!";
|
|
}
|
|
|
|
/// getValueAsBit - This method looks up the specified field and returns its
|
|
/// value as a bit, throwing an exception if the field does not exist or if
|
|
/// the value is not the right type.
|
|
///
|
|
bool Record::getValueAsBit(const std::string &FieldName) const {
|
|
const RecordVal *R = getValue(FieldName);
|
|
if (R == 0 || R->getValue() == 0)
|
|
throw "Record `" + getName() + "' does not have a field named `" +
|
|
FieldName + "'!\n";
|
|
|
|
if (BitInit *BI = dynamic_cast<BitInit*>(R->getValue()))
|
|
return BI->getValue();
|
|
throw "Record `" + getName() + "', field `" + FieldName +
|
|
"' does not have a bit initializer!";
|
|
}
|
|
|
|
/// getValueAsDag - This method looks up the specified field and returns its
|
|
/// value as an Dag, throwing an exception if the field does not exist or if
|
|
/// the value is not the right type.
|
|
///
|
|
DagInit *Record::getValueAsDag(const std::string &FieldName) const {
|
|
const RecordVal *R = getValue(FieldName);
|
|
if (R == 0 || R->getValue() == 0)
|
|
throw "Record `" + getName() + "' does not have a field named `" +
|
|
FieldName + "'!\n";
|
|
|
|
if (DagInit *DI = dynamic_cast<DagInit*>(R->getValue()))
|
|
return DI;
|
|
throw "Record `" + getName() + "', field `" + FieldName +
|
|
"' does not have a dag initializer!";
|
|
}
|
|
|
|
|
|
void RecordKeeper::dump() const { std::cerr << *this; }
|
|
|
|
std::ostream &llvm::operator<<(std::ostream &OS, const RecordKeeper &RK) {
|
|
OS << "------------- Classes -----------------\n";
|
|
const std::map<std::string, Record*> &Classes = RK.getClasses();
|
|
for (std::map<std::string, Record*>::const_iterator I = Classes.begin(),
|
|
E = Classes.end(); I != E; ++I)
|
|
OS << "class " << *I->second;
|
|
|
|
OS << "------------- Defs -----------------\n";
|
|
const std::map<std::string, Record*> &Defs = RK.getDefs();
|
|
for (std::map<std::string, Record*>::const_iterator I = Defs.begin(),
|
|
E = Defs.end(); I != E; ++I)
|
|
OS << "def " << *I->second;
|
|
return OS;
|
|
}
|
|
|
|
|
|
/// getAllDerivedDefinitions - This method returns all concrete definitions
|
|
/// that derive from the specified class name. If a class with the specified
|
|
/// name does not exist, an error is printed and true is returned.
|
|
std::vector<Record*>
|
|
RecordKeeper::getAllDerivedDefinitions(const std::string &ClassName) const {
|
|
Record *Class = Records.getClass(ClassName);
|
|
if (!Class)
|
|
throw "ERROR: Couldn't find the `" + ClassName + "' class!\n";
|
|
|
|
std::vector<Record*> Defs;
|
|
for (std::map<std::string, Record*>::const_iterator I = getDefs().begin(),
|
|
E = getDefs().end(); I != E; ++I)
|
|
if (I->second->isSubClassOf(Class))
|
|
Defs.push_back(I->second);
|
|
|
|
return Defs;
|
|
}
|
|
|