Esempio n. 1
0
        private Stmt Assign()
        {
            Word t = look as Word;

            ExceptGrammar(Tag.IDENTITY);
            Stmt stmt;
            Id   id = top[t.lexeme];

            if (id == null)
            {
                throw new TokenIdentityNotDeclareException(t);
            }
            if (Except(Tag.Equal))
            {
                stmt = new Set(id, Bool());
            }
            else if (Except(Tag.LeftPar))
            {
                //func call
                stmt = new Call(new FuncCall((id as IdFunc).Func, ReadParams()));
            }
            else
            {
                ExceptGrammar(Tag.LeftBra);
                Access x = Offset(id);
                ExceptGrammar(Tag.Equal);
                stmt = new SetElem(x, Bool());
            }
            return(stmt);
        }
Esempio n. 2
0
        private Stmt AssignStmt()
        {
            Stmt stmt;
            var  t = _look;

            Match(Tag.ID);
            var id = _top.Get(t);

            if (id == null)
            {
                throw new Error("near line " + Lexer.Line + ": " + t + " undeclared");
            }
            if (_look.Tag == '=')
            {
                Move();
                stmt = new Set(id, BoolExpr());
            }
            else
            {
                var x = Offset(id);
                Match('=');
                stmt = new SetElem(x, BoolExpr());
            }
            Match(';');
            return(stmt);
        }
Esempio n. 3
0
        internal virtual Stmt assign()
        {
            Stmt  stmt;
            Token t = look;

            match(Tag.ID);
            Id id = top.get(t);

            if (id == null)
            {
                error(t.ToString() + " undeclared");
            }
            if (look.tag == '=')
            {       // S -> id = E ;
                move();
                stmt = new Set(id, boolean());
            }
            else
            {                        // S -> L = E ;
                Access x = offset(id);
                match('=');
                stmt = new SetElem(x, boolean());
            }
            match(';');
            return(stmt);
        }
Esempio n. 4
0
        Stmt assign()
        {
            Stmt  stmt;
            Token t = look;

            match(Tag.ID);
            Id id = top.get(t);

            if (id == null)
            {
                error(t.ToString() + " undeclared");
            }
            if (look.tag == '=')
            {
                move();
                stmt = new Set(id, bool_expr(), compileRows);
            }
            else
            {
                Access x = offset(id);
                match('=');
                stmt = new SetElem(x, bool_expr(), compileRows);
            }
            match(';');
            return(stmt);
        }
Esempio n. 5
0
        public void TestSetElem()
        {
            var acc     = new Access(new Id(new Word("arr", Tag.ID), Sara.Type.Int, 0x20), new Constant(20), Sara.Type.Int);
            var setElem = new SetElem(acc, new Constant(42));

            setElem.Gen(10, 20);
            //Output:
            //          arr [ 20 ] = 42
        }
Esempio n. 6
0
    private List <dynamic> ProcessSets(ActorBrain actorBrain, Dialog dialog, XmlNode node)
    {
        List <dynamic> listSetElem = new List <dynamic>();

        if (node == null)
        {
            return(listSetElem);
        }

        bool oneUse = ExistsChildNode(node, "oneuse");

        foreach (XmlNode childNode in node)
        {
            SetElem setElem = ProcessSetElem(actorBrain, dialog, childNode, oneUse);
            if (setElem != null)
            {
                listSetElem.Add(setElem);
            }
        }
        return(listSetElem);
    }
Esempio n. 7
0
    private SetElem ProcessSetElem(ActorBrain actorBrain, Dialog dialog, XmlNode node, bool oneUse)
    {
        dynamic setElem = null;

        switch (node.Name)
        {
        case "set":
            setElem = new SetElem(actorBrain, dialog);
            break;

        case "inc":
            setElem = new SetElemIncVar(actorBrain, dialog, false);
            break;

        case "dec":
            setElem = new SetElemIncVar(actorBrain, dialog, true);
            break;
        }

        if (setElem != null)
        {
            oneUse = oneUse || ExistsChildNode(node, "oneuse");

            string name  = FindChildText(node, "name");
            string value = null;

            SetFunctionElem functionElem = null;

            XmlNode funcNode = FindChildNode(node, "value");
            if (funcNode != null)
            {
                functionElem = ProcessSetFunctionElem(actorBrain, GetChildNode(funcNode));
            }

            if (functionElem == null)
            {
                value = FindChildText(node, "value");
                if (value != null && value.Length == 0)
                {
                    value = null;
                }
            }


            if (name != null)
            {
                name = name.ToLower();
            }
            else
            {
                name = GetTextNode(node);
                if (name != null && name.Length == 0)
                {
                    name = null;
                }
            }

            setElem.SetOneUse(oneUse);
            setElem.SetName(name);
            setElem.SetValue(value);
            setElem.SetFunction(functionElem);
        }

        return(setElem);
    }