ExprResult CondNode::eval()
{
ExprResult result;
ExprResult left = mLeft->eval();
ExprResult right = mRight->eval();
// @TODO Realizar cast automático para string nos casos necessários
if (left.isNumeric() && right.isNumeric())
{
result.setType("bool");
if (left.isInteger())
{
long leftVal = left.getIntegerValue();
if (right.isInteger())
{
long rightVal = right.getIntegerValue();
result.setValue((Val*)new BoolVal(compare(leftVal, rightVal)));
}
else
{
double rightVal = right.getFloatValue();
result.setValue((Val*)new BoolVal(compare(leftVal, rightVal)));
}
}
else
{
double leftVal = left.getFloatValue();
if (right.isInteger())
{
long rightVal = right.getIntegerValue();
result.setValue((Val*)new BoolVal(compare(leftVal, rightVal)));
}
else
{
double rightVal = right.getFloatValue();
result.setValue((Val*)new BoolVal(compare(leftVal, rightVal)));
}
}
}
else if (left.getType() == "string" && right.getType() == "string")
{
result.setType("bool");
std::string leftVal = ((StringVal*)left.getValue())->getValue();
std::string rightVal = ((StringVal*)right.getValue())->getValue();
result.setValue((Val*)new BoolVal(compare(leftVal, rightVal)));
}
if (result.getType() == "void")
{
Log::fatal("Tipos incompatíveis para comparação");
}
return result;
}
ExprResult IdentifierNode::eval()
{
ExprResult result;
ActivationReg* areg = ActivationReg::getInstance();
SymbolTable* table = areg->top();
Symbol* sym = table->get(mName);
if (sym != NULL && sym->isVar())
{
result.setType(sym->getType());
result.setValue(sym->getValue());
}
else
{
Log::fatal("Uso de identificador não definido");
}
return result;
}
