void VariableEntry::typePrint(ostream& out, int indent) const
{
out << type()->fullName() << " " << name();
if(initVal() != NULL) {
out << " = ";
initVal()->typePrint(out, indent);
}
}
CodeBlock* VariableEntry::codeGen(){
CodeBlock* var_block = new CodeBlock();
if(initVal() != NULL){
var_block->append(initVal()->codeGen());
ICode::ICodeType store_type = ICode::ICodeType::STI;
ICode get_addr;
if(varKind() == VariableEntry::VarKind::GLOBAL_VAR){
ICode::ICodeType mov_type = ICode::ICodeType::MOVI;
get_addr = ICode(mov_type,new Value(offSet(),Type::TypeTag::INT),&mem_register_);
} else {
ICode::ICodeType add_type = ICode::ICodeType::ADD;
get_addr = ICode(add_type,&MemoryMgr::basePointerRegister(),new Value(offSet(),Type::TypeTag::INT),&mem_register_);
}
if(type()->tag() == Type::TypeTag::BOOL){
CodeBlock* true_block = new CodeBlock();
ICode store_true_val(store_type,new Value(1,Type::TypeTag::UINT),&mem_register_);
ICode jmp_end(ICode::ICodeType::JMP,endLabel());
true_block->setStartLabel(trueLabel());
true_block->append(get_addr);
true_block->append(store_true_val);
true_block->append(jmp_end);
CodeBlock* false_block = new CodeBlock();
ICode store_false_val(store_type,new Value(0,Type::TypeTag::UINT),&mem_register_);
false_block->setStartLabel(falseLabel());
false_block->append(get_addr);
false_block->append(store_false_val);
false_block->setEndLabel(endLabel());
var_block->append(true_block);
var_block->append(false_block);
} else {
if(initVal()->reg().isFloat()){
store_type = ICode::ICodeType::STF;
}
ICode store_val(store_type,&initVal()->reg(),&mem_register_);
var_block->append(get_addr);
var_block->append(store_val);
}
}
ICode incr_stack(ICode::ICodeType::ADD,&MemoryMgr::stackPointerRegister(),new Value(1,Type::TypeTag::INT),&MemoryMgr::stackPointerRegister());
var_block->append(incr_stack);
return var_block;
}
void VariableEntry::typePrint(ostream& out, int indent) const{
if(type()==NULL || (type()->tag()==Type::TypeTag::CLASS && type()->typeDesc()==NULL)){
return;
}
for(int i=0;i<indent;++i){
out << "\t";
}
out << type()->fullName()<<" "<< name();
if(initVal()!=NULL){
out << " = ";
initVal()->typePrint(out,0);
}
out << ";" << endl;
}
std::tuple<T, T, T> properties(const Collection<T, TAlloc>& coll)
{
// Get min, max and sum of elements in a collection
auto minmax = std::minmax_element(coll.begin(), coll.end());
T initVal(0);
T sum = std::accumulate(coll.begin(), coll.end(), initVal);
return std::make_tuple(*minmax.first, *minmax.second, sum);
}
void VariableEntry::memAlloc(MemoryMgr &mm){
offSet(mm.getNextAddress());
if(initVal()!=NULL){
if(type()->tag() == Type::TypeTag::BOOL){
trueLabel(new Label(Label::LabelType::BOOL_TRUE));
falseLabel(new Label(Label::LabelType::BOOL_FALSE));
endLabel(new Label(Label::LabelType::BOOL_END));
initVal()->trueLabel(trueLabel());
initVal()->falseLabel(falseLabel());
}
reg(mm.getNextRegister(true));
mm.addRegister(reg());
initVal()->memAlloc(mm);
if(type()->tag() != Type::TypeTag::BOOL){
mm.freeRegister(initVal()->reg());
}
mm.freeRegister(reg());
}
}
void VariableEntry::print(ostream& out, int indent) const{
if(type()==NULL || (type()->tag()==Type::TypeTag::CLASS && type()->typeDesc()==NULL)){
return;
}
for(int i=0;i<indent;++i){
out << "\t";
}
out << type()->fullName()<<" "<< name();
out << "(offset = " << offSet();
if(reg().isValid()){
out << ", mem_register = " << reg();
}
out << ")";
if(initVal()!=NULL){
out << " = ";
initVal()->print(out,0);
}
out << ";" << endl;
}
Type* VariableEntry::typeCheck(){
if(initVal()!=NULL){
initVal()->typeCheck();
//Same as from OpNode()::typeCheck() isAssign() case
Type* lhs_type = type();
Type* rhs_type = initVal()->type();
pair<bool,bool> check_subtype = Type::isSubType(lhs_type,rhs_type);
if(check_subtype.first && check_subtype.second){
return NULL;
}
if(!check_subtype.first && check_subtype.second){
initVal()->coercedType(lhs_type);
return NULL;
}
errMsg("Assignment between incompatible types",this);
}
return NULL;
}
const Type* VariableEntry::typeCheck()
{
LOG("");
Type *init_type = NULL;
const Type *return_type = NULL;
if (initVal()) {
init_type = (Type *)initVal()->typeCheck();
if (type()->isSubType(initVal()->type())) {
if (!init_type->isSubType(type())) {
initVal()->coercedType(type());
}
return_type = type();
} else {
return_type = new Type(Type::TypeTag::ERROR);
errMsg("Assignment between incompatible types", initVal());
}
}
return return_type;
}
ArrayData* StructArray::SetStr(
ArrayData* ad,
StringData* k,
Cell v,
bool copy
) {
auto structArray = asStructArray(ad);
auto shape = structArray->shape();
auto result = structArray;
auto offset = shape->offsetFor(k);
bool isNewProperty = offset == PropertyTable::kInvalidOffset;
auto convertToMixedAndAdd = [&]() {
auto mixed = copy ? ToMixedCopy(structArray) : ToMixed(structArray);
return mixed->addValNoAsserts(k, v);
};
if (isNewProperty) {
StringData* staticKey;
// We don't support adding non-static strings yet.
if (k->isStatic()) {
staticKey = k;
} else {
staticKey = lookupStaticString(k);
if (!staticKey) return convertToMixedAndAdd();
}
auto newShape = shape->transition(staticKey);
if (!newShape) return convertToMixedAndAdd();
result = copy ? CopyAndResizeIfNeeded(structArray, newShape)
: ResizeIfNeeded(structArray, newShape);
offset = result->shape()->offsetFor(staticKey);
assert(offset != PropertyTable::kInvalidOffset);
// TODO(#3888164): we should restructure things so we don't have
// to check KindOfUninit here.
initVal(result->data()[offset], v);
return result;
}
if (copy) {
result = asStructArray(Copy(structArray));
}
assert(offset != PropertyTable::kInvalidOffset);
// TODO(#3888164): we should restructure things so we don't have to
// check KindOfUninit here.
setVal(result->data()[offset], v);
return result;
}
void VariableEntry::codeGen(IntermediateCodeGen * list)
{
LOG("");
int isInt, regPtr = -1, hackyReg = -1;
Instruction *instr = NULL;
Instruction *getParam = NULL;
Instruction *hackyinstr = NULL;
Instruction *instrAddOffset = NULL;
Value *immediate = NULL;
Value *immediate1 = NULL;
if (type()->isIntegral(type()->tag()) || type()->isBool(type()->tag())) {
setReg(get_vreg_int(), VREG_INT);
isInt = 1;
} else {
setReg(get_vreg_float(), VREG_FLOAT);
isInt = 0;
}
if (varKind() == VariableEntry::VarKind::PARAM_VAR) {
immediate1 = new Value(1, Type::TypeTag::INT);
instr = new Instruction(Instruction::Mnemonic::ADD);
instr->operand_src1(get_vreg_temp_stack(), NULL, VREG_INT);
instr->operand_src2(-1, immediate1, Instruction::OpType::IMM);
instr->operand_dest(get_vreg_temp_stack(), NULL, VREG_INT);
list->addInstruction(instr);
getParam = new Instruction(Instruction::typedMnemonic(isInt, Instruction::Mnemonic::LDI));
getParam->operand_src1(get_vreg_temp_stack(), NULL, VREG_INT);
getParam->operand_dest(getReg(), NULL, reg_type());
list->addInstruction(getParam);
} else if (varKind() == VariableEntry::VarKind::LOCAL_VAR) {
if (initVal()) {
initVal()->codeGen(list);
if (!isInt && initVal()->reg_type() == VREG_INT) {
hackyinstr = new Instruction(Instruction::Mnemonic::MOVIF);
hackyinstr->operand_src1(initVal()->getReg(), NULL, initVal()->reg_type());
hackyReg = get_vreg_float();
hackyinstr->operand_dest(hackyReg, NULL, VREG_FLOAT);
list->addInstruction(hackyinstr);
getParam = new Instruction(Instruction::typedMnemonic(isInt, Instruction::Mnemonic::STI));
getParam->operand_src1(hackyReg, NULL, VREG_FLOAT);
getParam->operand_dest(get_vreg_sp(), NULL, VREG_INT);
list->addInstruction(getParam);
} else {
getParam = new Instruction(Instruction::typedMnemonic(isInt, Instruction::Mnemonic::STI));
getParam->operand_src1(initVal()->getReg(), NULL, initVal()->reg_type());
getParam->operand_dest(get_vreg_sp(), NULL, VREG_INT);
list->addInstruction(getParam);
}
}
immediate1 = new Value(1, Type::TypeTag::INT);
instr = new Instruction(Instruction::Mnemonic::SUB);
instr->operand_src1(get_vreg_sp(), NULL, VREG_INT);
instr->operand_src2(-1, immediate1, Instruction::OpType::IMM);
instr->operand_dest(get_vreg_sp(), NULL, VREG_INT);
list->addInstruction(instr);
} else if (varKind() == VariableEntry::VarKind::GLOBAL_VAR) {
instrAddOffset = new Instruction();
instrAddOffset->opcode(Instruction::Mnemonic::ADD);
instrAddOffset->operand_src1(get_vreg_global(), NULL, VREG_INT);
immediate = new Value(offSet(), Type::TypeTag::INT);
instrAddOffset->operand_src2(-1, immediate, Instruction::OpType::IMM);
regPtr = get_vreg_int();
instrAddOffset->operand_dest(regPtr, NULL, VREG_INT);
list->addInstruction(instrAddOffset);
if (initVal()) {
initVal()->codeGen(list);
instr = new Instruction(Instruction::typedMnemonic(isInt, Instruction::Mnemonic::STI));
instr->operand_dest(regPtr, NULL, VREG_INT);
instr->operand_src1(initVal()->getReg(), NULL, initVal()->reg_type());
list->addInstruction(instr);
}
}
return;
}