public override ProgNodeValue Evaluate(ProgNodeContext context)
{
ProgNodeValue value = expression.Evaluate(context);
context.SymTable.Assign(variable, value, 0);
return(null);
}
/***************************/
/*** Protected Functions ***/
/***************************/
public override ProgNodeValue Evaluate(ProgNodeContext context)
{
ProgNodeValue left = leftExp.Evaluate(context);
ProgNodeValue right = rightExp.Evaluate(context);
int type = GetBoxType(left, right);
return(ExecBoxing(left, right, type));
}
public override ProgNodeValue Evaluate(ProgNodeContext context)
{
while (expression.Evaluate(context).GetBoolean())
{
codeBlock.Evaluate(context);
}
return(null);
}
public ProgNodeValue GetInitialize(ProgNodeContext context)
{
ProgNodeValue value = null;
if (Initialize != null)
{
value = Initialize.Evaluate(context);
}
return(value);
}
public int GetSize(ProgNodeContext context)
{
int size = 1;
if (Size != null)
{
size = Size.Evaluate(context).GetInteger();
}
return(size);
}
public override ProgNodeValue Evaluate(ProgNodeContext context)
{
context.SymTable.NewScope();
foreach (ProgNode node in nodeList)
{
node.Evaluate(context);
}
context.SymTable.DeleteScope();
return(null);
}
/**************************/
/*** Override Functions ***/
/**************************/
public override ProgNodeValue Evaluate(ProgNodeContext context)
{
foreach (var variable in variables)
{
int size = variable.GetSize(context);
ProgNodeValue initialize = variable.GetInitialize(context);
context.SymTable.Declare(variable.Name, variable.Type, size, initialize);
}
return(null);
}
public override ProgNodeValue Evaluate(ProgNodeContext context)
{
ProgNodeValue value = null;
return(value);
}
public override ProgNodeValue Evaluate(ProgNodeContext context)
{
return(null);
}
