Ejemplo n.º 1
0
        /// <summary>
        /// Gets the entity arg.
        /// </summary>
        /// <param name="parentNode">The parent node.</param>
        /// <param name="pos">The child node index containing the argument.</param>
        /// <param name="type">The type of entity expected.</param>
        /// <returns>The entity. Or the first one, if there are multiple matches. Or null if there was no match.</returns>
        internal T GetEntityArg <T>(ParseTreeNode parentNode, int pos, EntityType type) where T : class, IEntity
        {
            // Get the identifier name
            ParseTreeNode nameNode = parentNode.ChildNodes[pos];
            string        codeName = GetIdentifierArg(parentNode, pos);

            // Get the entity
            IEntity entity;

            if (type.Alias == "core:type")
            {
                long typeEntityId = ExternalServices.ScriptNameResolver.GetTypeByName(codeName);
                if (typeEntityId == 0)
                {
                    throw ParseExceptionHelper.New(string.Format("The name '{0}' could not be matched.", codeName), nameNode);
                }
                entity = ExternalServices.EntityRepository.Get(typeEntityId);
            }
            else
            {
                entity = ExternalServices.ScriptNameResolver.GetInstance(codeName, type.Id);
                if (entity == null)
                {
                    throw ParseExceptionHelper.New(string.Format("The name '{0}' could not be matched.", codeName), nameNode);
                }
            }


            // Cast to expected type
            T castedEntity = entity.Cast <T>();

            return(castedEntity);
        }
Ejemplo n.º 2
0
        /// <summary>
        /// Checks the parse tree for errors.
        /// </summary>
        /// <param name="parseTree">The parse tree.</param>
        /// <exception cref="ParseException">Thrown if there are any parse errors.</exception>
        public void CheckParseTreeOk(ParseTree parseTree)
        {
            if (parseTree == null || parseTree.ParserMessages.Count == 0)
            {
                return;
            }

            if (parseTree.ParserMessages.Count == 1)
            {
                string message = parseTree.ParserMessages[0].Message;
                if (message.StartsWith("Syntax error, expected"))
                {
                    message = "Invalid script syntax.";
                }

                throw ParseExceptionHelper.New(message, parseTree.ParserMessages[0].Location);
            }

            throw new ParseException(string.Join(", ", parseTree.ParserMessages.Select(m => string.Format("{0} pos {1}", m.Message, m.Location.Position))));
        }
Ejemplo n.º 3
0
        public override void OnStaticValidation(BuilderSettings settings, Irony.Parsing.ParseTreeNode exceptionNode)
        {
            switch (DateTimePart)
            {
            case DateTimeParts.Hour:
            case DateTimeParts.Minute:
            case DateTimeParts.Second:
                if (InputType.Type == DataType.Date)
                {
                    throw ParseExceptionHelper.New(string.Format("Cannot use '{0}' with date data.", DateTimePart), exceptionNode.ChildNodes[1]);
                }
                break;

            default:
                if (InputType.Type == DataType.Time)
                {
                    throw ParseExceptionHelper.New(string.Format("Cannot use '{0}' with time data.", DateTimePart), exceptionNode.ChildNodes[1]);
                }
                break;
            }
        }