mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2025-11-03 14:21:30 +00:00
23ffa4a488
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4941 91177308-0d34-0410-b5e6-96231b3b80d8
440 lines
12 KiB
C++
440 lines
12 KiB
C++
//===- Record.cpp - Record implementation ---------------------------------===//
|
|
//
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "Record.h"
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Type implementations
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
void RecTy::dump() const { print(std::cerr); }
|
|
|
|
Init *BitRecTy::convertValue(BitsInit *BI) {
|
|
if (BI->getNumBits() != 1) return 0; // Only accept if just one bit!
|
|
return BI->getBit(0);
|
|
}
|
|
|
|
Init *BitRecTy::convertValue(IntInit *II) {
|
|
int Val = II->getValue();
|
|
if (Val != 0 && Val != 1) return 0; // Only accept 0 or 1 for a bit!
|
|
|
|
return new BitInit(Val != 0);
|
|
}
|
|
|
|
Init *BitRecTy::convertValue(TypedInit *VI) {
|
|
if (dynamic_cast<BitRecTy*>(VI->getType()))
|
|
return VI; // Accept variable if it is already of bit type!
|
|
return 0;
|
|
}
|
|
|
|
Init *BitsRecTy::convertValue(UnsetInit *UI) {
|
|
BitsInit *Ret = new BitsInit(Size);
|
|
|
|
for (unsigned i = 0; i != Size; ++i)
|
|
Ret->setBit(i, new UnsetInit());
|
|
return Ret;
|
|
}
|
|
|
|
Init *BitsRecTy::convertValue(BitInit *UI) {
|
|
if (Size != 1) return 0; // Can only convert single bit...
|
|
BitsInit *Ret = new BitsInit(1);
|
|
Ret->setBit(0, UI);
|
|
return Ret;
|
|
}
|
|
|
|
// convertValue from Int initializer to bits type: Split the integer up into the
|
|
// appropriate bits...
|
|
//
|
|
Init *BitsRecTy::convertValue(IntInit *II) {
|
|
int Value = II->getValue();
|
|
|
|
BitsInit *Ret = new BitsInit(Size);
|
|
for (unsigned i = 0; i != Size; ++i)
|
|
Ret->setBit(i, new BitInit(Value & (1 << i)));
|
|
return Ret;
|
|
}
|
|
|
|
Init *BitsRecTy::convertValue(BitsInit *BI) {
|
|
// If the number of bits is right, return it. Otherwise we need to expand or
|
|
// truncate...
|
|
if (BI->getNumBits() == Size) return BI;
|
|
return 0;
|
|
}
|
|
|
|
Init *BitsRecTy::convertValue(TypedInit *VI) {
|
|
if (BitsRecTy *BRT = dynamic_cast<BitsRecTy*>(VI->getType()))
|
|
if (BRT->Size == Size) {
|
|
BitsInit *Ret = new BitsInit(Size);
|
|
for (unsigned i = 0; i != Size; ++i)
|
|
Ret->setBit(i, new VarBitInit(VI, i));
|
|
return Ret;
|
|
}
|
|
if (Size == 1 && dynamic_cast<BitRecTy*>(VI->getType())) {
|
|
BitsInit *Ret = new BitsInit(1);
|
|
Ret->setBit(0, VI);
|
|
return Ret;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
Init *IntRecTy::convertValue(BitsInit *BI) {
|
|
int Result = 0;
|
|
for (unsigned i = 0, e = BI->getNumBits(); i != e; ++i)
|
|
if (BitInit *Bit = dynamic_cast<BitInit*>(BI->getBit(i))) {
|
|
Result |= Bit->getValue() << i;
|
|
} else {
|
|
return 0;
|
|
}
|
|
return new IntInit(Result);
|
|
}
|
|
|
|
Init *IntRecTy::convertValue(TypedInit *TI) {
|
|
if (dynamic_cast<IntRecTy*>(TI->getType()))
|
|
return TI; // Accept variable if already of the right type!
|
|
return 0;
|
|
}
|
|
|
|
Init *StringRecTy::convertValue(TypedInit *TI) {
|
|
if (dynamic_cast<StringRecTy*>(TI->getType()))
|
|
return TI; // Accept variable if already of the right type!
|
|
return 0;
|
|
}
|
|
|
|
void ListRecTy::print(std::ostream &OS) const {
|
|
OS << "list<" << Class->getName() << ">";
|
|
}
|
|
|
|
Init *ListRecTy::convertValue(ListInit *LI) {
|
|
// Verify that all of the elements of the list are subclasses of the
|
|
// appopriate class!
|
|
for (unsigned i = 0, e = LI->getSize(); i != e; ++i)
|
|
if (!LI->getElement(i)->isSubClassOf(Class))
|
|
return 0;
|
|
return LI;
|
|
}
|
|
|
|
void RecordRecTy::print(std::ostream &OS) const {
|
|
OS << Rec->getName();
|
|
}
|
|
|
|
Init *RecordRecTy::convertValue(DefInit *DI) {
|
|
// Ensure that DI is a subclass of Rec.
|
|
if (!DI->getDef()->isSubClassOf(Rec))
|
|
return 0;
|
|
return DI;
|
|
}
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Initializer implementations
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
void Init::dump() const { return print(std::cerr); }
|
|
|
|
Init *BitsInit::convertInitializerBitRange(const std::vector<unsigned> &Bits) {
|
|
BitsInit *BI = new BitsInit(Bits.size());
|
|
for (unsigned i = 0, e = Bits.size(); i != e; ++i) {
|
|
if (Bits[i] >= getNumBits()) {
|
|
delete BI;
|
|
return 0;
|
|
}
|
|
BI->setBit(i, getBit(Bits[i]));
|
|
}
|
|
return BI;
|
|
}
|
|
|
|
void BitsInit::print(std::ostream &OS) const {
|
|
//if (!printInHex(OS)) return;
|
|
//if (!printAsVariable(OS)) return;
|
|
//if (!printAsUnset(OS)) return;
|
|
|
|
OS << "{ ";
|
|
for (unsigned i = 0, e = getNumBits(); i != e; ++i) {
|
|
if (i) OS << ", ";
|
|
if (Init *Bit = getBit(e-i-1))
|
|
Bit->print(OS);
|
|
else
|
|
OS << "*";
|
|
}
|
|
OS << " }";
|
|
}
|
|
|
|
bool BitsInit::printInHex(std::ostream &OS) const {
|
|
// First, attempt to convert the value into an integer value...
|
|
int Result = 0;
|
|
for (unsigned i = 0, e = getNumBits(); i != e; ++i)
|
|
if (BitInit *Bit = dynamic_cast<BitInit*>(getBit(i))) {
|
|
Result |= Bit->getValue() << i;
|
|
} else {
|
|
return true;
|
|
}
|
|
|
|
OS << "0x" << std::hex << Result << std::dec;
|
|
return false;
|
|
}
|
|
|
|
bool BitsInit::printAsVariable(std::ostream &OS) const {
|
|
// Get the variable that we may be set equal to...
|
|
assert(getNumBits() != 0);
|
|
VarBitInit *FirstBit = dynamic_cast<VarBitInit*>(getBit(0));
|
|
if (FirstBit == 0) return true;
|
|
TypedInit *Var = FirstBit->getVariable();
|
|
|
|
// Check to make sure the types are compatible.
|
|
BitsRecTy *Ty = dynamic_cast<BitsRecTy*>(FirstBit->getVariable()->getType());
|
|
if (Ty == 0) return true;
|
|
if (Ty->getNumBits() != getNumBits()) return true; // Incompatible types!
|
|
|
|
// Check to make sure all bits are referring to the right bits in the variable
|
|
for (unsigned i = 0, e = getNumBits(); i != e; ++i) {
|
|
VarBitInit *Bit = dynamic_cast<VarBitInit*>(getBit(i));
|
|
if (Bit == 0 || Bit->getVariable() != Var || Bit->getBitNum() != i)
|
|
return true;
|
|
}
|
|
|
|
Var->print(OS);
|
|
return false;
|
|
}
|
|
|
|
bool BitsInit::printAsUnset(std::ostream &OS) const {
|
|
for (unsigned i = 0, e = getNumBits(); i != e; ++i)
|
|
if (!dynamic_cast<UnsetInit*>(getBit(i)))
|
|
return true;
|
|
OS << "?";
|
|
return false;
|
|
}
|
|
|
|
Init *BitsInit::resolveReferences(Record &R) {
|
|
bool Changed = false;
|
|
BitsInit *New = new BitsInit(getNumBits());
|
|
|
|
for (unsigned i = 0, e = Bits.size(); i != e; ++i) {
|
|
Init *B;
|
|
Init *CurBit = getBit(i);
|
|
|
|
do {
|
|
B = CurBit;
|
|
CurBit = CurBit->resolveReferences(R);
|
|
Changed |= B != CurBit;
|
|
} while (B != CurBit);
|
|
New->setBit(i, CurBit);
|
|
}
|
|
|
|
if (Changed)
|
|
return New;
|
|
delete New;
|
|
return this;
|
|
}
|
|
|
|
Init *IntInit::convertInitializerBitRange(const std::vector<unsigned> &Bits) {
|
|
BitsInit *BI = new BitsInit(Bits.size());
|
|
|
|
for (unsigned i = 0, e = Bits.size(); i != e; ++i) {
|
|
if (Bits[i] >= 32) {
|
|
delete BI;
|
|
return 0;
|
|
}
|
|
BI->setBit(i, new BitInit(Value & (1 << Bits[i])));
|
|
}
|
|
return BI;
|
|
}
|
|
|
|
void ListInit::print(std::ostream &OS) const {
|
|
OS << "[";
|
|
for (unsigned i = 0, e = Records.size(); i != e; ++i) {
|
|
if (i) OS << ", ";
|
|
OS << Records[i]->getName();
|
|
}
|
|
OS << "]";
|
|
}
|
|
|
|
Init *VarInit::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 *VarInit::resolveBitReference(Record &R, unsigned Bit) {
|
|
if (R.isTemplateArg(getName()))
|
|
return this;
|
|
|
|
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 this;
|
|
}
|
|
|
|
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 (RecordRecTy *RTy = dynamic_cast<RecordRecTy*>(getType()))
|
|
if (const RecordVal *RV = R.getValue(VarName))
|
|
if (Init *I = RV->getValue()->getFieldInit(R, FieldName))
|
|
return I;
|
|
else
|
|
return (Init*)this;
|
|
return 0;
|
|
}
|
|
|
|
|
|
|
|
Init *VarBitInit::resolveReferences(Record &R) {
|
|
Init *I = getVariable()->resolveBitReference(R, getBitNum());
|
|
if (I != getVariable())
|
|
return I;
|
|
return this;
|
|
}
|
|
|
|
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();
|
|
}
|
|
|
|
|
|
void DefInit::print(std::ostream &OS) const {
|
|
OS << Def->getName();
|
|
}
|
|
|
|
Init *FieldInit::convertInitializerBitRange(const std::vector<unsigned> &Bits) {
|
|
BitsRecTy *T = dynamic_cast<BitsRecTy*>(getType());
|
|
if (T == 0) return 0; // Cannot subscript a non-bits field...
|
|
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 *FieldInit::resolveBitReference(Record &R, unsigned Bit) {
|
|
Init *BitsVal = Rec->getFieldInit(R, FieldName);
|
|
assert(BitsVal && "No initializer found!");
|
|
|
|
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 this;
|
|
}
|
|
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// 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";
|
|
}
|
|
|
|
// resolveReferences - If there are any field references that refer to fields
|
|
// that have been filled in, we can propagate the values now.
|
|
//
|
|
void Record::resolveReferences() {
|
|
for (unsigned i = 0, e = Values.size(); i != e; ++i)
|
|
Values[i].setValue(Values[i].getValue()->resolveReferences(*this));
|
|
}
|
|
|
|
void Record::dump() const { std::cerr << *this; }
|
|
|
|
std::ostream &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";
|
|
}
|
|
|
|
void RecordKeeper::dump() const { std::cerr << *this; }
|
|
|
|
std::ostream &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;
|
|
}
|