public PState execute(PState state)
{
IStack <IStatement> stack = state.getStack();
stack.push(second);
stack.push(first);
return(state);
}
public PState execute(PState state)
{
IStack <IStatement> stack = state.getStack();
IMap <string, int> table = state.getTable();
int val = exp.eval(table);
if (val != 0)
{
stack.push(s1);
}
else
{
stack.push(s2);
}
return(state);
}
public PState execute(PState state)
{
IStack <IStatement> stack = state.getStack();
IMap <string, int> table = state.getTable();
int val = exp.eval(table);
if (table.hasKey(id))
{
table.update(id, val);
}
else
{
table.add(id, val);
}
return(state);
}
