public RuleNode(DeltinScriptParser.Ow_ruleContext context, BuildAstVisitor visitor) : base(new Location(visitor.file, Range.GetRange(context))) { Name = context.STRINGLITERAL().GetText().Trim('"'); Block = (BlockNode)visitor.VisitBlock(context.block()); Conditions = new Node[context.rule_if().Length]; Range[] conditionRanges = new Range [context.rule_if().Length]; for (int i = 0; i < context.rule_if().Length; i++) { if (context.rule_if(i).expr() != null) { Conditions[i] = visitor.VisitExpr(context.rule_if(i).expr()); } // Get the range between the (). conditionRanges[i] = Range.GetRange( context.rule_if(i).LEFT_PAREN().Symbol, context.rule_if(i).RIGHT_PAREN().Symbol ); } RuleEvent eventType = RuleEvent.OngoingGlobal; Team team = Team.All; PlayerSelector player = PlayerSelector.All; Range eventRange = null; Range teamRange = null; Range playerRange = null; foreach (var ruleOption in context.@enum()) { string option = ruleOption.PART(0).GetText(); Range optionRange = Range.GetRange(ruleOption.PART(0).Symbol); string value = ruleOption.PART(1)?.GetText(); Range valueRange = null; if (value != null) { valueRange = Range.GetRange(ruleOption.PART(1).Symbol); } Range totalRange; if (ruleOption.PART(1) != null) { totalRange = Range.GetRange(ruleOption.PART(0).Symbol, ruleOption.PART(1).Symbol); } else { totalRange = Range.GetRange(ruleOption.PART(0)); } switch (option) { case "Event": if (eventRange != null) { visitor._diagnostics.Error("Event already set.", new Location(visitor.file, totalRange)); } if (!Enum.TryParse <RuleEvent>(value, out eventType)) { visitor._diagnostics.Error($"{value} is not a valid Event type.", new Location(visitor.file, valueRange)); } eventRange = Range.GetRange(ruleOption); break; case "Team": if (teamRange != null) { visitor._diagnostics.Error("Team already set.", new Location(visitor.file, totalRange)); } if (!Enum.TryParse <Team>(value, out team)) { visitor._diagnostics.Error($"{value} is not a valid Team type.", new Location(visitor.file, valueRange)); } teamRange = Range.GetRange(ruleOption); break; case "Player": if (playerRange != null) { visitor._diagnostics.Error("Player already set.", new Location(visitor.file, totalRange)); } if (!Enum.TryParse <PlayerSelector>(value, out player)) { visitor._diagnostics.Error($"{value} is not a valid Player type.", new Location(visitor.file, valueRange)); } playerRange = Range.GetRange(ruleOption); break; default: visitor._diagnostics.Error($"{option} is not a valid rule option.", new Location(visitor.file, optionRange)); break; } } Event = eventType; Team = team; Player = player; SubRanges = ArrayBuilder <Range> .Build(eventRange, teamRange, playerRange, conditionRanges); }