internal CStatment GetDefinitionStatment()
{
if (Init == null)
{
return(new CStatment());
}
if (type.IsStruct)
{
throw new SemanticException("local variables of type struct are not implimentd");
}
else if (type.IsArray || Init.IsList)
{
throw new SemanticException("local variables of type array are not implimentd");
}
else if (type.TypeClass == CTypeClass.CFunction)
{
throw new InvalidOperationException("wtf how did you declare a local function varable");
}
else if (type.TypeClass == CTypeClass.CVoid)
{
throw new InvalidOperationException("wtf how did you declare a local void varable");
}
else
{
OpCode PushOp;
if (type.Size == 1)
{
PushOp = OpCode.PUSHB;
}
else if (type.Size == 2)
{
PushOp = OpCode.PUSHH;
}
else if (type.Size == 4)
{
PushOp = OpCode.PUSHW;
}
else
{
throw new InvalidOperationException("local variable of unknown size");
}
CStatment initilize = new CStatment();
initilize.Add(new OpCodeEmitter(PushOp, "0"));
CExpression localAddr = new CExpression(type, ValueCatagory.LValue);
localAddr.Add(new OpCodeEmitter(OpCode.PUSHBP));
localAddr.Add(new OpCodeEmitter(OpCode.PUSHW, stackPointerOffset.ToString()));
localAddr.Add(new OpCodeEmitter(OpCode.ADD));
CExpression.PushExpression(localAddr);
CExpression.PushExpression(Init.Expression);
CExpression.BasicAssignmentOperator();
initilize.Add(new CStatment(CExpression.PopExpression()));
return(initilize);
}
}