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);
}
/*******************/
/*** Constructor ***/
/*******************/
public Script(Parser parser)
{
this.parser = parser;
while (!parser.IsEof())
{
ProgNode node = GetCommand();
if (!errorSwitch)
{
ProgNodeContext context = new ProgNodeContext();
node.Evaluate(context);
}
}
}
