Loyc.Ecs.Parser.EcsParser.Stmt C# (CSharp) Method

		public LNode Stmt()
		{
			LNode result = default(LNode);
			var attrs = VList<LNode>.Empty;
			int startIndex = LT0.StartIndex;
			NormalAttributes(ref attrs);
			AttributeKeywords(ref attrs);
			// line 1003
			int wordAttrCount;
			var cat = DetectStatementCategoryAndAddWordAttributes(out wordAttrCount, ref attrs, DetectionMode.Stmt);
			switch ((cat)) {
			case StmtCat.MethodOrPropOrVar:
				result = MethodOrPropertyOrVarStmt(startIndex, attrs);
				break;
			case StmtCat.KeywordStmt:
				result = KeywordStmt(startIndex, attrs, wordAttrCount != 0);
				break;
			case StmtCat.IdStmt:
				result = IdStmt(startIndex, attrs, wordAttrCount != 0);
				break;
			case StmtCat.OtherStmt:
				result = OtherStmt(startIndex, attrs, wordAttrCount != 0);
				break;
			case StmtCat.ThisConstructor:
				result = Constructor(startIndex, attrs);
				break;
			default:
				throw new Exception("Parser bug");
			}
			return result;
		}
	

		protected override void Stmt(string text, LNode expected, Action<EcsNodePrinter> configure = null, Mode mode = Mode.Both)
		{
			bool exprMode = (mode & Mode.Expression) != 0;
			if ((mode & Mode.ParserTest) == 0)
				return;
			// This is the easy way: 
			//LNode result = EcsLanguageService.Value.ParseSingle(text, MessageSink.Console, exprMode ? ParsingService.Exprs : ParsingService.Stmts);
			// But to make debugging easier, I'll do it the long way:
			ILexer<Token> lexer = EcsLanguageService.Value.Tokenize(new UString(text), "", MessageSink.Console);
			var preprocessed = new EcsPreprocessor(lexer);
			var treeified = new TokensToTree(preprocessed, false);
			var sink = (mode & Mode.ExpectAndDropParserError) != 0 ? new MessageHolder() : (IMessageSink)MessageSink.Console;
			var parser = new EcsParser(treeified.Buffered(), lexer.SourceFile, sink);
			LNode result = exprMode ? parser.ExprStart(false) : parser.Stmt();

			AreEqual(TokenType.EOF, parser.LT0.Type());
			AreEqual(expected, result);
			if (sink is MessageHolder)
				GreaterOrEqual(((MessageHolder)sink).List.Count, 1);
		}