public virtual object VisitArgumentNode(ArgumentNode argumentNode, object data)
{
stackMap.Push(argumentNode);
argumentNode.Attributes.AcceptVisitor(this, data);
argumentNode.Expression.AcceptVisitor(this, data);
stackMap.Pop();
return(null);
}
private NodeCollection<ArgumentNode> ParseArgumentList()
{
NodeCollection<ArgumentNode> list = new NodeCollection<ArgumentNode>();
if (curtok.ID == TokenID.RParen) return list;
while (true)
{
ArgumentNode arg = new ArgumentNode(curtok);
switch (curtok.ID)
{
case TokenID.Out:
Advance();
arg.IsOut = true;
break;
case TokenID.Ref:
Advance();
arg.IsRef = true;
break;
}
arg.Expression = ParseExpression();
list.Add(arg);
if (curtok.ID != TokenID.Comma) break;
Advance();
}
return list;
}
private NodeCollection<ArgumentNode> ParseArgs()
{
AssertAndAdvance(TokenID.LParen);
if (curtok.ID == TokenID.RParen)
{
Advance();
return null;
}
bool hasComma;
NodeCollection<ArgumentNode> result = new NodeCollection<ArgumentNode>();
do
{
ArgumentNode node = new ArgumentNode(curtok);
result.Add(node);
if (curtok.ID == TokenID.Ref)
{
node.IsRef = true;
Advance();
}
else if (curtok.ID == TokenID.Out)
{
node.IsOut = true;
Advance();
}
node.Expression = ParseExpression();
hasComma = false;
if (curtok.ID == TokenID.Comma)
{
Advance();
hasComma = true;
}
}
while (hasComma);
AssertAndAdvance(TokenID.RParen);
return result;
}
public virtual object VisitArgumentNode(ArgumentNode argumentNode, object data)
{
stackMap.Push(argumentNode);
argumentNode.Attributes.AcceptVisitor(this, data);
argumentNode.Expression.AcceptVisitor( this,data );
stackMap.Pop();
return null;
}