protected virtual BinaryArgumentNode ParseBinaryArgument(BinaryMessageNode parent, Token token) { // PARSE: <binary argument> ::= <primary> <unary message>* BinaryArgumentNode result = new BinaryArgumentNode(parent); IPrimaryNode primary = this.ParsePrimary(result, token); if (primary == null) { this.ReportParserError(result, SemanticErrors.MissingPrimary, token); return(result); } token = this.GetNextTokenxx(Preference.Default); UnaryMessageSequenceNode messages = null; if (token is IdentifierToken) { // <unary message>* messages = this.ParseUnaryMessageSequence(result, (IdentifierToken)token); } else { this.ResidueToken = token; } result.SetContents(primary, messages); return(result); }
/// <summary> /// Visits the Unary Message Sequence node. /// </summary> /// <param name="node">The node to visit.</param> public virtual TResult VisitUnaryMessageSequence(UnaryMessageSequenceNode node) { if (node.Message != null) { node.Message.Accept(this); } if (node.NextMessage != null) { node.NextMessage.Accept(this); } return(default(TResult)); // The default naive implementation }
/// <summary> /// Visits the Unary Message Sequence node. /// </summary> /// <param name="node">The node to visit.</param> public override bool VisitUnaryMessageSequence(UnaryMessageSequenceNode node) { if (node.Parent == null) { return(false); } if ((node.Message == null) || !node.Message.Accept(this)) { return(false); } if ((node.NextMessage != null) && !node.NextMessage.Accept(this)) { return(false); } return(true); }
protected virtual UnaryMessageSequenceNode ParseUnaryMessageSequence(IMessageSequenceParentNode parent, IdentifierToken selector) { // PARSE: <unary message>* UnaryMessageSequenceNode result = new UnaryMessageSequenceNode(parent); // NB: ParseUnaryMessage() cannot fail, so we don't check result UnaryMessageNode message = this.ParseUnaryMessage(result, selector); Token token = this.GetNextTokenxx(Preference.Default); UnaryMessageSequenceNode nextMessage = null; if (token is IdentifierToken) { nextMessage = this.ParseUnaryMessageSequence(result, (IdentifierToken)token); } else { this.ResidueToken = token; } result.SetContents(message, nextMessage); return(result); }
/// <summary> /// Visits the Unary Message Sequence node. /// </summary> /// <param name="node">The node to visit.</param> public virtual TResult VisitUnaryMessageSequence(UnaryMessageSequenceNode node) { throw new NotImplementedException(); }