Esempio n. 1
0
        internal override Expression Resolve(Parser parser)
        {
            this.Root = this.Root.Resolve(parser);

            string step = this.StepToken.Value;

            if (this.Root is EnumReference)
            {
                EnumDefinition enumDef = ((EnumReference)this.Root).EnumDefinition;

                ConstantResolutionState resolutionState = parser.ConstantAndEnumResolutionState[enumDef];
                if (resolutionState != ConstantResolutionState.RESOLVED)
                {
                    enumDef.Resolve(parser);
                }

                switch (step)
                {
                case "length":
                    return(new IntegerConstant(this.FirstToken, enumDef.IntValue.Count, this.Owner));

                case "max":
                    return(new SpecialEntity.EnumMaxFunction(this.FirstToken, enumDef, this.Owner));

                case "values":
                    return(new SpecialEntity.EnumValuesFunction(this.FirstToken, enumDef, this.Owner));
                }

                if (enumDef.IntValue.ContainsKey(step))
                {
                    return(new IntegerConstant(this.FirstToken, enumDef.IntValue[step], this.Owner));
                }
                else
                {
                    throw new ParserException(this.StepToken, "The enum '" + enumDef.Name + "' does not contain a definition for '" + step + "'");
                }
            }

            if (this.Root is BaseKeyword)
            {
                return(new BaseMethodReference(this.Root.FirstToken, this.DotToken, this.StepToken, this.Owner).Resolve(parser));
            }

            if (this.Root is StringConstant)
            {
                if (step == "join")
                {
                    throw new ParserException(this.StepToken,
                                              "There is no join method on strings. Did you mean to do list.join(string) instead?");
                }
                else if (step == "size")
                {
                    throw new ParserException(this.StepToken, "String size is indicated by string.length.");
                }
                else if (step == "length")
                {
                    int length = ((StringConstant)this.Root).Value.Length;
                    return(new IntegerConstant(this.FirstToken, length, this.Owner));
                }
            }

            return(this);
        }
Esempio n. 2
0
        internal override Expression Resolve(Parser parser)
        {
            this.Root = this.Root.Resolve(parser);

            string step = this.StepToken.Value;

            if (this.Root is EnumReference)
            {
                EnumDefinition enumDef = ((EnumReference)this.Root).EnumDefinition;

                int resolutionState = parser.ConstantAndEnumResolutionState[enumDef];
                if (resolutionState != 2)
                {
                    enumDef.Resolve(parser);
                }

                switch (step)
                {
                case "length":
                    return(new IntegerConstant(this.FirstToken, enumDef.IntValue.Count, this.FunctionOrClassOwner));

                case "max":
                    return(new SpecialEntity.EnumMaxFunction(this.FirstToken, enumDef, this.FunctionOrClassOwner));

                case "values":
                    return(new SpecialEntity.EnumValuesFunction(this.FirstToken, enumDef, this.FunctionOrClassOwner));
                }

                if (enumDef.IntValue.ContainsKey(step))
                {
                    return(new IntegerConstant(this.FirstToken, enumDef.IntValue[step], this.FunctionOrClassOwner));
                }
                else
                {
                    throw new ParserException(this.StepToken, "The enum '" + enumDef.Name + "' does not contain a definition for '" + step + "'");
                }
            }

            Variable variable = this.Root as Variable;

            if (variable != null)
            {
                string varName = variable.Name;

                if (parser.IsTranslateMode && varName.Contains('$'))
                {
                    string[] parts = varName.Split('$');
                    if (parts.Length == 2 && parts[0].Length > 0 && parts[1].Length > 0)
                    {
                        // struct casting
                        string           structName = parts[0];
                        StructDefinition structDef  = parser.GetStructDefinition(structName);
                        if (structDef == null)
                        {
                            throw new ParserException(this.Root.FirstToken, "The struct '" + structName + "' does not exist.");
                        }
                        if (!structDef.IndexByField.ContainsKey(step))
                        {
                            throw new ParserException(this.StepToken, "The struct '" + structDef.Name.Value + "' does not contain a field called '" + step + "'");
                        }
                        return(new DotStepStruct(this.FirstToken, structDef, this, this.FunctionOrClassOwner));
                    }
                }
            }

            if (this.Root is BaseKeyword)
            {
                return(new BaseMethodReference(this.Root.FirstToken, this.DotToken, this.StepToken, this.FunctionOrClassOwner).Resolve(parser));
            }

            if (this.Root is StringConstant)
            {
                if (step == "join")
                {
                    throw new ParserException(this.StepToken,
                                              "There is no join method on strings. Did you mean to do list.join(string) instead?");
                }
                else if (step == "size")
                {
                    throw new ParserException(this.StepToken, "String size is indicated by string.length.");
                }
                else if (step == "length")
                {
                    int length = ((StringConstant)this.Root).Value.Length;
                    return(new IntegerConstant(this.FirstToken, length, this.FunctionOrClassOwner));
                }
            }

            return(this);
        }