/// <summary>
/// Initializes the node after being parsed by the parser.
/// </summary>
/// <param name="messages">Message or a sequence of messages sent to the primary of the expression.</param>
/// <param name="nextCascade">Optional cascade messages following this cascade message.</param>
protected internal void SetContents(MessageSequenceNode messages, CascadeMessageSequenceNode nextCascade)
{
if (messages == null)
{
throw new ArgumentNullException("messages");
}
this.Messages = messages;
this.NextCascade = nextCascade; // OK with null
}
/// <summary>
/// Initializes the node after being parsed by the parser.
/// </summary>
/// <param name="message">The first (current) message in the message sequence.</param>
/// <param name="nextMessage">Optional sequence of messages that may follow this message.</param>
protected internal void SetContents(UnaryMessageNode message, MessageSequenceNode nextMessage)
{
if (message == null)
{
throw new ArgumentNullException("message");
}
this.Message = message;
this.NextMessage = nextMessage; // null is OK
}
/// <summary>
/// Initializes the node after being parsed by the parser.
/// </summary>
/// <param name="primary">The primary, or the receiver of the basic expression.</param>
/// <param name="messages">Optional message or a sequence of messages sent to the primary of the expression.</param>
/// <param name="cascadeMessages">Optional cascade messages sent to the primary of the expression.</param>
protected internal void SetContents(IPrimaryNode primary, MessageSequenceNode messages, CascadeMessageSequenceNode cascadeMessages)
{
if (primary == null)
{
throw new ArgumentNullException("primary");
}
this.Primary = primary;
this.Messages = messages; // OK with null
this.CascadeMessages = cascadeMessages; // OK with null
}
/// <summary>
/// Initializes the node after being parsed by the parser.
/// </summary>
/// <param name="primary">The primary, or the receiver of the basic expression.</param>
/// <param name="messages">Optional message or a sequence of messages sent to the primary of the expression.</param>
/// <param name="cascadeMessages">Optional cascade messages sent to the primary of the expression.</param>
protected internal void SetContents(IPrimaryNode primary, MessageSequenceNode messages, CascadeMessageSequenceNode cascadeMessages)
{
if (primary == null)
throw new ArgumentNullException("primary");
this.Primary = primary;
this.Messages = messages; // OK with null
this.CascadeMessages = cascadeMessages; // OK with null
}
/// <summary>
/// Create a new keyword message node.
/// </summary>
/// <param name="parent">The parent message sequence node that defines this message node.</param>
protected internal KeywordMessageNode(MessageSequenceNode parent)
: base(parent)
{
this.SelectorTokens = new List<KeywordToken>();
this.Arguments = new List<KeywordArgumentNode>();
}
/// <summary>
/// Initializes the node after being parsed by the parser.
/// </summary>
/// <param name="message">The first (current) message in the message sequence.</param>
/// <param name="nextMessage">Optional sequence of messages that may follow this message.</param>
protected internal void SetContents(UnaryMessageNode message, MessageSequenceNode nextMessage)
{
if (message == null)
throw new ArgumentNullException("message");
this.Message = message;
this.NextMessage = nextMessage; // null is OK
}
/// <summary>
/// Initializes the node after being parsed by the parser.
/// </summary>
/// <param name="messages">Message or a sequence of messages sent to the primary of the expression.</param>
/// <param name="nextCascade">Optional cascade messages following this cascade message.</param>
protected internal void SetContents(MessageSequenceNode messages, CascadeMessageSequenceNode nextCascade)
{
if (messages == null)
throw new ArgumentNullException("messages");
this.Messages = messages;
this.NextCascade = nextCascade; // OK with null
}
protected virtual KeywordMessageNode ParseKeywordMessage(MessageSequenceNode parent, KeywordToken selector)
{
// PARSE: <keyword message> ::= (keyword <keyword argument> )+
KeywordMessageNode result = new KeywordMessageNode(parent);
List<KeywordToken> selectorTokens = new List<KeywordToken>();
List<KeywordArgumentNode> arguments = new List<KeywordArgumentNode>();
Token token = this.GetNextTokenxx(Preference.NegativeSign);
selectorTokens.Add(selector);
arguments.Add(this.ParseKeywordArgument(result, token)); // NB: ParseKeywordArgument() may not fail.
token = this.GetNextTokenxx(Preference.Default);
while (token is KeywordToken)
{
selectorTokens.Add((KeywordToken)token);
token = this.GetNextTokenxx(Preference.NegativeSign);
arguments.Add(this.ParseKeywordArgument(result, token)); // NB: ParseKeywordArgument() may not fail.
token = this.GetNextTokenxx(Preference.Default);
}
result.SetContents(selectorTokens, arguments);
this.ResidueToken = token;
return result;
}
/// <summary>
/// Create a new keyword message node.
/// </summary>
/// <param name="parent">The parent message sequence node that defines this message node.</param>
protected internal KeywordMessageNode(MessageSequenceNode parent)
: base(parent)
{
this.SelectorTokens = new List <KeywordToken>();
this.Arguments = new List <KeywordArgumentNode>();
}