public virtual Expression VisitNamedArgument(NamedArgument namedArgument)
{
if (namedArgument == null) return null;
namedArgument.Value = this.VisitExpression(namedArgument.Value);
return namedArgument;
}
private void WriteAssignment(NamedArgument assignment) {
string name = assignment.Name.Name;
Literal value = (Literal)assignment.Value;
writer.WriteStartElement("assignment");
WriteStringAttribute("name", name);
WriteLiteral(value);
writer.WriteEndElement();
}
public override Expression VisitNamedArgument(NamedArgument namedArgument)
{
if (namedArgument == null) return null;
return base.VisitNamedArgument((NamedArgument)namedArgument.Clone());
}
private void ParseAttributeArguments(AttributeNode attr, TokenSet followers){
if (this.currentToken != Token.LeftParenthesis) return;
SourceContext sctx = this.scanner.CurrentSourceContext;
if (this.sink != null) this.sink.StartParameters(sctx);
this.GetNextToken();
ExpressionList expressions = attr.Expressions = new ExpressionList();
bool hadNamedArgument = false;
while (this.currentToken != Token.RightParenthesis){
SourceContext sctx1 = this.scanner.CurrentSourceContext;
Expression expr = this.ParseExpression(followers|Token.Comma|Token.RightParenthesis);
if (expr != null){
if (this.sink != null) {
sctx1.EndPos = this.scanner.endPos;
this.sink.NextParameter(sctx1);
}
AssignmentExpression aExpr = expr as AssignmentExpression;
if (aExpr != null){
AssignmentStatement aStat = (AssignmentStatement)aExpr.AssignmentStatement;
Identifier id = aStat.Target as Identifier;
if (id == null){
this.HandleError(aStat.Target.SourceContext, Error.ExpectedIdentifier);
expr = null;
}else
expr = new NamedArgument(id, aStat.Source, expr.SourceContext);
hadNamedArgument = true;
}else if (hadNamedArgument)
this.HandleError(expr.SourceContext, Error.NamedArgumentExpected);
}
expressions.Add(expr);
if (this.currentToken != Token.Comma) break;
this.GetNextToken();
}
attr.SourceContext.EndPos = this.scanner.endPos;
if (this.sink != null && this.currentToken != Token.EndOfFile) this.sink.EndParameters(this.scanner.CurrentSourceContext);
this.ParseBracket(sctx, Token.RightParenthesis, followers, Error.ExpectedRightParenthesis);
}
public override Expression VisitNamedArgument(NamedArgument namedArgument)
{
throw new NotImplementedException("Node type not yet supported");
}
public EventingVisitor(Action<NamedArgument> visitNamedArgument) { VisitedNamedArgument += visitNamedArgument; } public event Action<NamedArgument> VisitedNamedArgument; public override Expression VisitNamedArgument(NamedArgument namedArgument) { if (VisitedNamedArgument != null) VisitedNamedArgument(namedArgument); return base.VisitNamedArgument(namedArgument); }
