mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-21 16:31:16 +00:00
e8cf21e8e3
allows binops to be used in typed contexts such as when passing arguments to classes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69921 91177308-0d34-0410-b5e6-96231b3b80d8
1099 lines
34 KiB
C++
1099 lines
34 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 is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// Implement the tablegen record classes.
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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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#include "llvm/Support/Streams.h"
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#include "llvm/ADT/StringExtras.h"
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#include <ios>
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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(*cerr.stream()); }
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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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int64_t 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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std::string BitsRecTy::getAsString() const {
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return "bits<" + utostr(Size) + ">";
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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 & (1LL << (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 & (1LL << 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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int64_t 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(BinOpInit *BO) {
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if (BO->getOpcode() == BinOpInit::STRCONCAT) {
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Init *L = BO->getLHS()->convertInitializerTo(this);
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Init *R = BO->getRHS()->convertInitializerTo(this);
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if (L == 0 || R == 0) return 0;
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if (L != BO->getLHS() || R != BO->getRHS())
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return new BinOpInit(BinOpInit::STRCONCAT, L, R, new StringRecTy);
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return BO;
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}
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if (BO->getOpcode() == BinOpInit::NAMECONCAT) {
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if (BO->getType()->getAsString() == getAsString()) {
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Init *L = BO->getLHS()->convertInitializerTo(this);
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Init *R = BO->getRHS()->convertInitializerTo(this);
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if (L == 0 || R == 0) return 0;
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if (L != BO->getLHS() || R != BO->getRHS())
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return new BinOpInit(BinOpInit::NAMECONCAT, L, R, new StringRecTy);
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return BO;
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}
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}
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return convertValue((TypedInit*)BO);
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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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std::string ListRecTy::getAsString() const {
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return "list<" + Ty->getAsString() + ">";
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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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Init *DagRecTy::convertValue(BinOpInit *BO) {
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if (BO->getOpcode() == BinOpInit::CONCAT) {
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Init *L = BO->getLHS()->convertInitializerTo(this);
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Init *R = BO->getRHS()->convertInitializerTo(this);
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if (L == 0 || R == 0) return 0;
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if (L != BO->getLHS() || R != BO->getRHS())
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return new BinOpInit(BinOpInit::CONCAT, L, R, new DagRecTy);
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return BO;
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}
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if (BO->getOpcode() == BinOpInit::NAMECONCAT) {
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if (BO->getType()->getAsString() == getAsString()) {
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Init *L = BO->getLHS()->convertInitializerTo(this);
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Init *R = BO->getRHS()->convertInitializerTo(this);
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if (L == 0 || R == 0) return 0;
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if (L != BO->getLHS() || R != BO->getRHS())
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return new BinOpInit(BinOpInit::CONCAT, L, R, new DagRecTy);
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return BO;
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}
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}
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return 0;
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}
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std::string RecordRecTy::getAsString() const {
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return 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(*cerr.stream()); }
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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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std::string BitsInit::getAsString() 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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std::string Result = "{ ";
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for (unsigned i = 0, e = getNumBits(); i != e; ++i) {
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if (i) Result += ", ";
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if (Init *Bit = getBit(e-i-1))
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Result += Bit->getAsString();
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else
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Result += "*";
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}
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return Result + " }";
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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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int64_t 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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std::string IntInit::getAsString() const {
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return itostr(Value);
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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] >= 64) {
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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 & (INT64_C(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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Record *ListInit::getElementAsRecord(unsigned i) const {
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assert(i < Values.size() && "List element index out of range!");
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DefInit *DI = dynamic_cast<DefInit*>(Values[i]);
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if (DI == 0) throw "Expected record in list!";
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return DI->getDef();
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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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std::string ListInit::getAsString() const {
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std::string Result = "[";
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for (unsigned i = 0, e = Values.size(); i != e; ++i) {
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if (i) Result += ", ";
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Result += Values[i]->getAsString();
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}
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return Result + "]";
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}
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Init *BinOpInit::Fold(Record *CurRec, MultiClass *CurMultiClass) {
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switch (getOpcode()) {
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default: assert(0 && "Unknown binop");
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case CONCAT: {
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DagInit *LHSs = dynamic_cast<DagInit*>(LHS);
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DagInit *RHSs = dynamic_cast<DagInit*>(RHS);
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if (LHSs && RHSs) {
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DefInit *LOp = dynamic_cast<DefInit*>(LHSs->getOperator());
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DefInit *ROp = dynamic_cast<DefInit*>(RHSs->getOperator());
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if (LOp->getDef() != ROp->getDef()) {
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bool LIsOps =
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LOp->getDef()->getName() == "outs" ||
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LOp->getDef()->getName() != "ins" ||
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LOp->getDef()->getName() != "defs";
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bool RIsOps =
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ROp->getDef()->getName() == "outs" ||
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ROp->getDef()->getName() != "ins" ||
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ROp->getDef()->getName() != "defs";
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if (!LIsOps || !RIsOps)
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throw "Concated Dag operators do not match!";
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}
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std::vector<Init*> Args;
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std::vector<std::string> ArgNames;
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for (unsigned i = 0, e = LHSs->getNumArgs(); i != e; ++i) {
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Args.push_back(LHSs->getArg(i));
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ArgNames.push_back(LHSs->getArgName(i));
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}
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for (unsigned i = 0, e = RHSs->getNumArgs(); i != e; ++i) {
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Args.push_back(RHSs->getArg(i));
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ArgNames.push_back(RHSs->getArgName(i));
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}
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return new DagInit(LHSs->getOperator(), "", Args, ArgNames);
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}
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break;
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}
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case STRCONCAT: {
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StringInit *LHSs = dynamic_cast<StringInit*>(LHS);
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StringInit *RHSs = dynamic_cast<StringInit*>(RHS);
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if (LHSs && RHSs)
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return new StringInit(LHSs->getValue() + RHSs->getValue());
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break;
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}
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case NAMECONCAT: {
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StringInit *LHSs = dynamic_cast<StringInit*>(LHS);
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StringInit *RHSs = dynamic_cast<StringInit*>(RHS);
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if (LHSs && RHSs) {
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std::string Name(LHSs->getValue() + RHSs->getValue());
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// From TGParser::ParseIDValue
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if (CurRec) {
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if (const RecordVal *RV = CurRec->getValue(Name)) {
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if (RV->getType() != getType()) {
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throw "type mismatch in nameconcat";
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}
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return new VarInit(Name, RV->getType());
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}
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std::string TemplateArgName = CurRec->getName()+":"+Name;
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if (CurRec->isTemplateArg(TemplateArgName)) {
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const RecordVal *RV = CurRec->getValue(TemplateArgName);
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assert(RV && "Template arg doesn't exist??");
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if (RV->getType() != getType()) {
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throw "type mismatch in nameconcat";
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}
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return new VarInit(TemplateArgName, RV->getType());
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}
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}
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if (CurMultiClass) {
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std::string MCName = CurMultiClass->Rec.getName()+"::"+Name;
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if (CurMultiClass->Rec.isTemplateArg(MCName)) {
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const RecordVal *RV = CurMultiClass->Rec.getValue(MCName);
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assert(RV && "Template arg doesn't exist??");
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if (RV->getType() != getType()) {
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throw "type mismatch in nameconcat";
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}
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|
|
return new VarInit(MCName, RV->getType());
|
|
}
|
|
}
|
|
|
|
if (Record *D = Records.getDef(Name))
|
|
return new DefInit(D);
|
|
|
|
cerr << "Variable not defined: '" + Name + "'\n";
|
|
assert(0 && "Variable not found");
|
|
return 0;
|
|
}
|
|
break;
|
|
}
|
|
case SHL:
|
|
case SRA:
|
|
case SRL: {
|
|
IntInit *LHSi = dynamic_cast<IntInit*>(LHS);
|
|
IntInit *RHSi = dynamic_cast<IntInit*>(RHS);
|
|
if (LHSi && RHSi) {
|
|
int64_t LHSv = LHSi->getValue(), RHSv = RHSi->getValue();
|
|
int64_t Result;
|
|
switch (getOpcode()) {
|
|
default: assert(0 && "Bad opcode!");
|
|
case SHL: Result = LHSv << RHSv; break;
|
|
case SRA: Result = LHSv >> RHSv; break;
|
|
case SRL: Result = (uint64_t)LHSv >> (uint64_t)RHSv; break;
|
|
}
|
|
return new IntInit(Result);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
return this;
|
|
}
|
|
|
|
Init *BinOpInit::resolveReferences(Record &R, const RecordVal *RV) {
|
|
Init *lhs = LHS->resolveReferences(R, RV);
|
|
Init *rhs = RHS->resolveReferences(R, RV);
|
|
|
|
if (LHS != lhs || RHS != rhs)
|
|
return (new BinOpInit(getOpcode(), lhs, rhs, getType()))->Fold(&R, 0);
|
|
return Fold(&R, 0);
|
|
}
|
|
|
|
std::string BinOpInit::getAsString() const {
|
|
std::string Result;
|
|
switch (Opc) {
|
|
case CONCAT: Result = "!con"; break;
|
|
case SHL: Result = "!shl"; break;
|
|
case SRA: Result = "!sra"; break;
|
|
case SRL: Result = "!srl"; break;
|
|
case STRCONCAT: Result = "!strconcat"; break;
|
|
case NAMECONCAT:
|
|
Result = "!nameconcat<" + getType()->getAsString() + ">"; break;
|
|
}
|
|
return Result + "(" + LHS->getAsString() + ", " + RHS->getAsString() + ")";
|
|
}
|
|
|
|
Init *BinOpInit::resolveBitReference(Record &R, const RecordVal *IRV,
|
|
unsigned Bit) {
|
|
Init *Folded = Fold(&R, 0);
|
|
|
|
if (Folded != this) {
|
|
TypedInit *Typed = dynamic_cast<TypedInit *>(Folded);
|
|
if (Typed) {
|
|
return Typed->resolveBitReference(R, IRV, Bit);
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
Init *BinOpInit::resolveListElementReference(Record &R, const RecordVal *IRV,
|
|
unsigned Elt) {
|
|
Init *Folded = Fold(&R, 0);
|
|
|
|
if (Folded != this) {
|
|
TypedInit *Typed = dynamic_cast<TypedInit *>(Folded);
|
|
if (Typed) {
|
|
return Typed->resolveListElementReference(R, IRV, Elt);
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
Init *TypedInit::convertInitializerBitRange(const std::vector<unsigned> &Bits) {
|
|
BitsRecTy *T = dynamic_cast<BitsRecTy*>(getType());
|
|
if (T == 0) return 0; // Cannot subscript a non-bits variable...
|
|
unsigned NumBits = T->getNumBits();
|
|
|
|
BitsInit *BI = new BitsInit(Bits.size());
|
|
for (unsigned i = 0, e = Bits.size(); i != e; ++i) {
|
|
if (Bits[i] >= NumBits) {
|
|
delete BI;
|
|
return 0;
|
|
}
|
|
BI->setBit(i, new VarBitInit(this, Bits[i]));
|
|
}
|
|
return BI;
|
|
}
|
|
|
|
Init *TypedInit::convertInitListSlice(const std::vector<unsigned> &Elements) {
|
|
ListRecTy *T = dynamic_cast<ListRecTy*>(getType());
|
|
if (T == 0) return 0; // Cannot subscript a non-list variable...
|
|
|
|
if (Elements.size() == 1)
|
|
return new VarListElementInit(this, Elements[0]);
|
|
|
|
std::vector<Init*> ListInits;
|
|
ListInits.reserve(Elements.size());
|
|
for (unsigned i = 0, e = Elements.size(); i != e; ++i)
|
|
ListInits.push_back(new VarListElementInit(this, Elements[i]));
|
|
return new ListInit(ListInits);
|
|
}
|
|
|
|
|
|
Init *VarInit::resolveBitReference(Record &R, const RecordVal *IRV,
|
|
unsigned Bit) {
|
|
if (R.isTemplateArg(getName())) return 0;
|
|
if (IRV && IRV->getName() != getName()) return 0;
|
|
|
|
RecordVal *RV = R.getValue(getName());
|
|
assert(RV && "Reference to a non-existant variable?");
|
|
assert(dynamic_cast<BitsInit*>(RV->getValue()));
|
|
BitsInit *BI = (BitsInit*)RV->getValue();
|
|
|
|
assert(Bit < BI->getNumBits() && "Bit reference out of range!");
|
|
Init *B = BI->getBit(Bit);
|
|
|
|
if (!dynamic_cast<UnsetInit*>(B)) // If the bit is not set...
|
|
return B; // Replace the VarBitInit with it.
|
|
return 0;
|
|
}
|
|
|
|
Init *VarInit::resolveListElementReference(Record &R, const RecordVal *IRV,
|
|
unsigned Elt) {
|
|
if (R.isTemplateArg(getName())) return 0;
|
|
if (IRV && IRV->getName() != getName()) return 0;
|
|
|
|
RecordVal *RV = R.getValue(getName());
|
|
assert(RV && "Reference to a non-existant variable?");
|
|
ListInit *LI = dynamic_cast<ListInit*>(RV->getValue());
|
|
assert(LI && "Invalid list element!");
|
|
|
|
if (Elt >= LI->getSize())
|
|
return 0; // Out of range reference.
|
|
Init *E = LI->getElement(Elt);
|
|
if (!dynamic_cast<UnsetInit*>(E)) // If the element is set
|
|
return E; // Replace the VarListElementInit with it.
|
|
return 0;
|
|
}
|
|
|
|
|
|
RecTy *VarInit::getFieldType(const std::string &FieldName) const {
|
|
if (RecordRecTy *RTy = dynamic_cast<RecordRecTy*>(getType()))
|
|
if (const RecordVal *RV = RTy->getRecord()->getValue(FieldName))
|
|
return RV->getType();
|
|
return 0;
|
|
}
|
|
|
|
Init *VarInit::getFieldInit(Record &R, const std::string &FieldName) const {
|
|
if (dynamic_cast<RecordRecTy*>(getType()))
|
|
if (const RecordVal *RV = R.getValue(VarName)) {
|
|
Init *TheInit = RV->getValue();
|
|
assert(TheInit != this && "Infinite loop detected!");
|
|
if (Init *I = TheInit->getFieldInit(R, FieldName))
|
|
return I;
|
|
else
|
|
return 0;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/// resolveReferences - This method is used by classes that refer to other
|
|
/// variables which may not be defined at the time they expression is formed.
|
|
/// If a value is set for the variable later, this method will be called on
|
|
/// users of the value to allow the value to propagate out.
|
|
///
|
|
Init *VarInit::resolveReferences(Record &R, const RecordVal *RV) {
|
|
if (RecordVal *Val = R.getValue(VarName))
|
|
if (RV == Val || (RV == 0 && !dynamic_cast<UnsetInit*>(Val->getValue())))
|
|
return Val->getValue();
|
|
return this;
|
|
}
|
|
|
|
std::string VarBitInit::getAsString() const {
|
|
return TI->getAsString() + "{" + utostr(Bit) + "}";
|
|
}
|
|
|
|
Init *VarBitInit::resolveReferences(Record &R, const RecordVal *RV) {
|
|
if (Init *I = getVariable()->resolveBitReference(R, RV, getBitNum()))
|
|
return I;
|
|
return this;
|
|
}
|
|
|
|
std::string VarListElementInit::getAsString() const {
|
|
return TI->getAsString() + "[" + utostr(Element) + "]";
|
|
}
|
|
|
|
Init *VarListElementInit::resolveReferences(Record &R, const RecordVal *RV) {
|
|
if (Init *I = getVariable()->resolveListElementReference(R, RV,
|
|
getElementNum()))
|
|
return I;
|
|
return this;
|
|
}
|
|
|
|
Init *VarListElementInit::resolveBitReference(Record &R, const RecordVal *RV,
|
|
unsigned Bit) {
|
|
// FIXME: This should be implemented, to support references like:
|
|
// bit B = AA[0]{1};
|
|
return 0;
|
|
}
|
|
|
|
Init *VarListElementInit::
|
|
resolveListElementReference(Record &R, const RecordVal *RV, unsigned Elt) {
|
|
// FIXME: This should be implemented, to support references like:
|
|
// int B = AA[0][1];
|
|
return 0;
|
|
}
|
|
|
|
RecTy *DefInit::getFieldType(const std::string &FieldName) const {
|
|
if (const RecordVal *RV = Def->getValue(FieldName))
|
|
return RV->getType();
|
|
return 0;
|
|
}
|
|
|
|
Init *DefInit::getFieldInit(Record &R, const std::string &FieldName) const {
|
|
return Def->getValue(FieldName)->getValue();
|
|
}
|
|
|
|
|
|
std::string DefInit::getAsString() const {
|
|
return Def->getName();
|
|
}
|
|
|
|
Init *FieldInit::resolveBitReference(Record &R, const RecordVal *RV,
|
|
unsigned Bit) {
|
|
if (Init *BitsVal = Rec->getFieldInit(R, FieldName))
|
|
if (BitsInit *BI = dynamic_cast<BitsInit*>(BitsVal)) {
|
|
assert(Bit < BI->getNumBits() && "Bit reference out of range!");
|
|
Init *B = BI->getBit(Bit);
|
|
|
|
if (dynamic_cast<BitInit*>(B)) // If the bit is set...
|
|
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) {
|
|
return new FieldInit(NewRec, FieldName);
|
|
}
|
|
return this;
|
|
}
|
|
|
|
Init *DagInit::resolveReferences(Record &R, const RecordVal *RV) {
|
|
std::vector<Init*> NewArgs;
|
|
for (unsigned i = 0, e = Args.size(); i != e; ++i)
|
|
NewArgs.push_back(Args[i]->resolveReferences(R, RV));
|
|
|
|
Init *Op = Val->resolveReferences(R, RV);
|
|
|
|
if (Args != NewArgs || Op != Val)
|
|
return new DagInit(Op, "", NewArgs, ArgNames);
|
|
|
|
return this;
|
|
}
|
|
|
|
|
|
std::string DagInit::getAsString() const {
|
|
std::string Result = "(" + Val->getAsString();
|
|
if (!ValName.empty())
|
|
Result += ":" + ValName;
|
|
if (Args.size()) {
|
|
Result += " " + Args[0]->getAsString();
|
|
if (!ArgNames[0].empty()) Result += ":$" + ArgNames[0];
|
|
for (unsigned i = 1, e = Args.size(); i != e; ++i) {
|
|
Result += ", " + Args[i]->getAsString();
|
|
if (!ArgNames[i].empty()) Result += ":$" + ArgNames[i];
|
|
}
|
|
}
|
|
return Result + ")";
|
|
}
|
|
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// 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 { 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";
|
|
}
|
|
|
|
void Record::setName(const std::string &Name) {
|
|
if (Records.getDef(getName()) == this) {
|
|
Records.removeDef(getName());
|
|
this->Name = Name;
|
|
Records.addDef(this);
|
|
} else {
|
|
Records.removeClass(getName());
|
|
this->Name = Name;
|
|
Records.addClass(this);
|
|
}
|
|
}
|
|
|
|
/// 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 { 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!";
|
|
}
|
|
|
|
/// getValueAsListOfDefs - This method looks up the specified field and returns
|
|
/// its value as a vector of records, throwing an exception if the field does
|
|
/// not exist or if the value is not the right type.
|
|
///
|
|
std::vector<Record*>
|
|
Record::getValueAsListOfDefs(const std::string &FieldName) const {
|
|
ListInit *List = getValueAsListInit(FieldName);
|
|
std::vector<Record*> Defs;
|
|
for (unsigned i = 0; i < List->getSize(); i++) {
|
|
if (DefInit *DI = dynamic_cast<DefInit*>(List->getElement(i))) {
|
|
Defs.push_back(DI->getDef());
|
|
} else {
|
|
throw "Record `" + getName() + "', field `" + FieldName +
|
|
"' list is not entirely DefInit!";
|
|
}
|
|
}
|
|
return Defs;
|
|
}
|
|
|
|
/// getValueAsInt - This method looks up the specified field and returns its
|
|
/// value as an int64_t, throwing an exception if the field does not exist or if
|
|
/// the value is not the right type.
|
|
///
|
|
int64_t 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 an int initializer!";
|
|
}
|
|
|
|
/// getValueAsListOfInts - This method looks up the specified field and returns
|
|
/// its value as a vector of integers, throwing an exception if the field does
|
|
/// not exist or if the value is not the right type.
|
|
///
|
|
std::vector<int64_t>
|
|
Record::getValueAsListOfInts(const std::string &FieldName) const {
|
|
ListInit *List = getValueAsListInit(FieldName);
|
|
std::vector<int64_t> Ints;
|
|
for (unsigned i = 0; i < List->getSize(); i++) {
|
|
if (IntInit *II = dynamic_cast<IntInit*>(List->getElement(i))) {
|
|
Ints.push_back(II->getValue());
|
|
} else {
|
|
throw "Record `" + getName() + "', field `" + FieldName +
|
|
"' does not have a list of ints initializer!";
|
|
}
|
|
}
|
|
return Ints;
|
|
}
|
|
|
|
/// 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 def 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!";
|
|
}
|
|
|
|
std::string Record::getValueAsCode(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 CodeInit *CI = dynamic_cast<const CodeInit*>(R->getValue()))
|
|
return CI->getValue();
|
|
throw "Record `" + getName() + "', field `" + FieldName +
|
|
"' does not have a code initializer!";
|
|
}
|
|
|
|
|
|
void RecordKeeper::dump() const { 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;
|
|
}
|
|
|