Example #1
0
 private void AddArgsToState(FunctionDef fd)
 {
     for (int i = 0; i < fd.Params.Count; i++)
     {
         //suspicious copying - needs testing
         VarState vs = new VarState(fd.Params[i].Name, fd.Params[i].Type, argList[i]);
         State.Add(fd.Params[i].Name, vs);
     }
 }
Example #2
0
        private bool Foreach(Dospiz loop, bool r)
        {
            VarState index;
            VarState item;

            //See if your index and variable name are in state
            if (!State.ContainsKey(loop.ItemName))
            {
                index = new VarState(loop.ItemName + "_i", TokenType.Int, 0);

                if (!State.ContainsKey(loop.Collection))
                {
                    throw new Exception("spiz must have collection '" + loop.Collection + "' defined spiz");
                }

                if (State[loop.Collection].Type != TokenType.Lint && State[loop.Collection].Type != TokenType.Lstr)
                {
                    throw new Exception("spiz '" + loop.Collection + "' must be a collection spiz");
                }

                List <object> list = (List <object>)State[loop.Collection].Value;
                item = new VarState(loop.ItemName, loop.ItemType, list[0]);
                State.Add(index.Name, index);
                State.Add(item.Name, item);
            }
            else
            {
                //Grab the index and item from the state
                item        = State[loop.ItemName];
                index       = State[loop.ItemName + "_i"];
                index.Value = (int)index.Value + 1;
                List <object> list = (List <object>)State[loop.Collection].Value;

                if (list.Count == (int)index.Value)
                {
                    r = false;
                }
                else
                {
                    item.Value = list[(int)index.Value];
                }
            }

            return(r);
        }
Example #3
0
        private object Traverse(Node node)
        {
            bool   conditionCompleted = false;
            object ret = null;

            while (true)
            {
                if (swordOfKhali)
                {
                    return(ret);
                }

                if (node is FunctionDef)
                {
                    FunctionDef fd = (node as FunctionDef);
                    ValidateArgs(fd);
                    AddArgsToState(fd);

                    if (node.Children.Count == 0)
                    {
                        throw new Exception("MASSIVE spiz DOESNT HAVE ANYTHING IN HIS DOspiz STATEMENT");
                    }

                    node = node.Children[0];
                    continue;
                }
                else if (node is spizdun)
                {
                    if ((node as spizdun).Exp == null)
                    {
                        return(null);
                    }

                    ret          = (node as spizdun).Exp.Eval(ast, State);
                    swordOfKhali = true;
                    return(ret);
                }
                else if (node is spizout)
                {
                    if ((node as spizout).Exp == null)
                    {
                        spizoutLevel = 1;
                    }
                    else
                    {
                        spizoutLevel = Convert.ToInt32((node as spizout).Exp.Eval(ast, State));
                    }
                }
                else if (node is FunctionCall)
                {
                    (node as FunctionCall).Exp.Eval(ast, State);
                }
                else if (node is Declaration)
                {
                    Declaration d = (node as Declaration);

                    object r = null;
                    if (d.Exp != null)
                    {
                        r = d.Exp.Eval(ast, State);
                    }

                    VarState vs = new VarState(d.VarName, d.Type, r);
                    State.Add(vs.Name, vs);
                }
                else if (node is Assignment)
                {
                    Assignment a = (node as Assignment);
                    object     r = a.RightExpression.Eval(ast, State);
                    if (a.IsListIndexAssignment())
                    {
                        object leftIndex = a.LeftIndexExpression.Eval(ast, State);
                        int    i         = int.Parse(leftIndex.ToString());
                        var    list      = (List <object>)State[a.VarName].Value;
                        list[i] = r;
                    }
                    else
                    {
                        State[a.VarName].Value = r;
                    }
                }
                else if (node is Spif)
                {
                    Spif   spif = (node as Spif);
                    object r    = spif.Exp.Eval(ast, State);
                    if (!(r is bool))
                    {
                        throw new Exception("spiz spif must evaluate to bool spiz");
                    }
                    bool rb = (bool)r;
                    if (rb)
                    {
                        if (node.Children.Count == 0)
                        {
                            throw new Exception("MASSIVE spiz DOESNT HAVE ANYTHING IN HIS IF STATEMENT");
                        }
                        node = node.Children[0];
                        conditionCompleted = true;
                        continue;
                    }
                    else
                    {
                        conditionCompleted = false;
                    }
                }
                else if (node is Spelzif)
                {
                    Spelzif spelzIf = (node as Spelzif);
                    var     prevSib = GetPrevChild(node);
                    if (!(prevSib is Spif || prevSib is Spelzif))
                    {
                        throw new Exception("spiz cant have else if without previous spif or spelzif spiz");
                    }
                    if (!(conditionCompleted))
                    {
                        object r = spelzIf.Exp.Eval(ast, State);
                        if (!(r is bool))
                        {
                            throw new Exception("spiz spelzif must evaluate to bool spiz");
                        }
                        bool rb = (bool)r;
                        if (rb)
                        {
                            if (node.Children.Count == 0)
                            {
                                throw new Exception("MASSIVE spiz DOESNT HAVE ANYTHING IN HIS SPELZIF STATEMENT");
                            }
                            node = node.Children[0];
                            conditionCompleted = true;
                            continue;
                        }
                    }
                }
                else if (node is Spelz)
                {
                    var prevSib = GetPrevChild(node);
                    if (!(prevSib is Spif || prevSib is Spelzif))
                    {
                        throw new Exception("spiz cant have spelz without previous spif or elseif spiz");
                    }
                    if (!(conditionCompleted))
                    {
                        if (node.Children.Count == 0)
                        {
                            throw new Exception("MASSIVE spiz DOESNT HAVE ANYTHING IN HIS SPELZ STATEMENT");
                        }
                        node = node.Children[0];
                        continue;
                    }
                }
                else if (node is Dospiz)
                {
                    Dospiz loop = (node as Dospiz);

                    bool r = true;

                    if (loop.Type == DospizType.While)
                    {
                        r = (bool)loop.Exp.Eval(ast, State);
                    }
                    else if (loop.Type == DospizType.Foreach)
                    {
                        r = Foreach(loop, r);
                    }

                    conditionCompleted = false;

                    if (r)
                    {
                        if (node.Children.Count == 0)
                        {
                            throw new Exception("MASSIVE spiz DOESNT HAVE ANYTHING IN HIS DOspiz STATEMENT");
                        }
                        node = node.Children[0];
                        continue;
                    }
                }

                //Regular execution
                Node next = GetNextChild(node);
                if (next != null && !swordOfKhali)
                {
                    node = next;
                }
                else
                {
                    return(null);
                }
            }
        }