Пример #1
0
        private SParameter ProcessParameter()
        {
            SToken oneToken = SLexer.Tokenizer(_dataStream);
            bool isOptional = false;

            if (oneToken.TokenType == STokenType.OPTIONAL)
            {
                oneToken = SLexer.Tokenizer(_dataStream);
                isOptional = true;
            }

            bool isUnique = false;
            if (oneToken.TokenType == STokenType.UNIQUE)
            {
                isUnique = true;
                oneToken = SLexer.Tokenizer(_dataStream);
            }

            SParamType stype = SParameter.TokenTypeToAttribType(oneToken.TokenType);

            SParameter sParam;

            if (stype == SParamType.SET ||
                stype == SParamType.LIST ||
                stype == SParamType.ARRAY ||
                stype == SParamType.BAG)
            {
                sParam = new SParamCollection(stype);
                var sParamCol = sParam as SParamCollection;
                // get leftbracket
                oneToken = SLexer.Tokenizer(_dataStream);

                // after adding lower bound, upper bound lexer
                oneToken = SLexer.Tokenizer(_dataStream);
                sParamCol.LBound = getBound(oneToken);

                // get colon
                oneToken = SLexer.Tokenizer(_dataStream);
                // get upper bound
                oneToken = SLexer.Tokenizer(_dataStream);
                sParamCol.UBound = getBound(oneToken);

                // get rightbracket
                oneToken = SLexer.Tokenizer(_dataStream);
                // get of
                oneToken = SLexer.Tokenizer(_dataStream);
                sParamCol.ParamReference = ProcessParameter();
            }
            else if (stype == SParamType.NAMED)
            { sParam = new SParamNamed(oneToken.StringValue); }
            else
            { sParam = new SParameter(stype); }

            sParam.IsUnique = isUnique;
            sParam.IsOptional = isOptional;

            // either semi colon or left parenthesis
            //oneToken = SLexer.Tokenizer(DataStream);
            if (!(sParam is SParamCollection))
            {
                oneToken = SLexer.Tokenizer(_dataStream);
                if (oneToken.TokenType == STokenType.LEFTPARENTHESIS)
                {
                    oneToken = SLexer.Tokenizer(_dataStream); // integer
                    // add integer
                    sParam.TypeLength = (short)oneToken.IntegerValue;
                    oneToken = SLexer.Tokenizer(_dataStream); // right parenthesis
                    oneToken = SLexer.Tokenizer(_dataStream);
                    if (oneToken.TokenType == STokenType.FIXED)
                    {
                        // process fixed
                        sParam.IsFixed = true;
                        // semicolon
                        oneToken = SLexer.Tokenizer(_dataStream);
                    }
                }
            }

            //SAttribute oneAttribute = new SAttribute(AttributeName, sParam);

            return sParam;
        }
Пример #2
0
        private SParameter ProcessInverseParameter()
        {
            SToken oneToken   = SLexer.Tokenizer(_dataStream);
            bool   isOptional = false;

            if (oneToken.TokenType == STokenType.OPTIONAL)
            {
                oneToken   = SLexer.Tokenizer(_dataStream);
                isOptional = true;
            }

            bool isUnique = false;

            if (oneToken.TokenType == STokenType.UNIQUE)
            {
                isUnique = true;
                oneToken = SLexer.Tokenizer(_dataStream);
            }

            SParamType stype = SParameter.TokenTypeToAttribType(oneToken.TokenType);

            SParameter sParam;

            if (stype == SParamType.SET ||
                stype == SParamType.LIST ||
                stype == SParamType.ARRAY ||
                stype == SParamType.BAG)
            {
                sParam = new SParamCollection(stype);
                var sParamCol = sParam as SParamCollection;
                // get leftbracket
                oneToken = SLexer.Tokenizer(_dataStream);

                // after adding lower bound, upper bound lexer
                oneToken         = SLexer.Tokenizer(_dataStream);
                sParamCol.LBound = getBound(oneToken);

                // get colon
                oneToken = SLexer.Tokenizer(_dataStream);
                // get upper bound
                oneToken         = SLexer.Tokenizer(_dataStream);
                sParamCol.UBound = getBound(oneToken);

                // get rightbracket
                oneToken = SLexer.Tokenizer(_dataStream);
                // get of
                oneToken = SLexer.Tokenizer(_dataStream);
                sParamCol.ParamReference = ProcessInverseParameter();
            }
            else if (stype == SParamType.NAMED)
            {
                sParam = new SParamNamed(oneToken.StringValue);
            }
            else
            {
                sParam = new SParameter(stype);
            }

            sParam.IsUnique   = isUnique;
            sParam.IsOptional = isOptional;


            // either semi colon or left parenthesis
            //oneToken = SLexer.Tokenizer(DataStream);
            //if (!(sParam is SParamCollection))
            //{
            //    oneToken = SLexer.Tokenizer(_dataStream);
            //    if (oneToken.TokenType == STokenType.LEFTPARENTHESIS)
            //    {
            //        oneToken = SLexer.Tokenizer(_dataStream); // integer
            //        // add integer
            //        sParam.TypeLength = (short)oneToken.IntegerValue;
            //        oneToken = SLexer.Tokenizer(_dataStream); // right parenthesis
            //        oneToken = SLexer.Tokenizer(_dataStream);
            //        if (oneToken.TokenType == STokenType.FIXED)
            //        {
            //            // process fixed
            //            sParam.IsFixed = true;
            //            // semicolon
            //            oneToken = SLexer.Tokenizer(_dataStream);
            //        }
            //    }
            //}



            //SAttribute oneAttribute = new SAttribute(AttributeName, sParam);

            return(sParam);
        }