System.Linq.Dynamic.Parser.ParseUnary C# (CSharp) Méthode

		private void ParseUnary(ParseNode parent) // NonTerminalSymbol: Unary
		{
			Token tok;
			ParseNode n;
			ParseNode node = parent.CreateNode(_scanner.GetToken(TokenType.Unary), "Unary");
			parent.Nodes.Add(node);


			// Concat Rule
			tok = _scanner.LookAhead(TokenType.UNARY); // Option Rule
			if (tok.Type == TokenType.UNARY)
			{
				tok = _scanner.Scan(TokenType.UNARY); // Terminal Rule: UNARY
				n = node.CreateNode(tok, tok.ToString());
				node.Token.UpdateRange(tok);
				node.Nodes.Add(n);
				if (tok.Type != TokenType.UNARY)
				{
					tree.Errors.Add(new ParseError("Unexpected token '" + tok.Text.Replace("\n", "") + "' found. Expected " + TokenType.UNARY.ToString(),
						0x1001, tok));
					return;
				}
			}

			// Concat Rule
			ParsePrimary(node); // NonTerminal Rule: Primary

			parent.Token.UpdateRange(node.Token);
		} // NonTerminalSymbol: Unary