private SyntaxVisitorResult <IN, OUT> Visit(SyntaxNode <IN> node, object context = null)
{
var result = SyntaxVisitorResult <IN, OUT> .NoneResult();
if (node.Visitor != null || node.IsByPassNode)
{
var args = new List <object>();
var i = 0;
foreach (var n in node.Children)
{
var v = Visit(n, context);
if (v.IsToken)
{
if (!v.Discarded)
{
args.Add(v.TokenResult);
}
}
else if (v.IsValue)
{
args.Add(v.ValueResult);
}
i++;
}
if (node.IsByPassNode)
{
result = SyntaxVisitorResult <IN, OUT> .NewValue((OUT)args[0]);
}
else
{
MethodInfo method = null;
try
{
if (!(context is NoContext))
{
args.Add(context);
}
method = node.Visitor;
var t = method?.Invoke(ParserVsisitorInstance, args.ToArray());
var res = (OUT)t;
result = SyntaxVisitorResult <IN, OUT> .NewValue(res);
}
catch (Exception e)
{
Console.WriteLine($"ERROR : {e.Message} calling {node.Name} => {method?.Name}");
}
}
}
return(result);
}
private SyntaxVisitorResult <IN, OUT> Visit(SyntaxNode <IN> node)
{
SyntaxVisitorResult <IN, OUT> result = SyntaxVisitorResult <IN, OUT> .NoneResult();
if (node.Visitor != null || node.IsByPassNode)
{
List <object> args = new List <object>();
int i = 0;
foreach (ISyntaxNode <IN> n in node.Children)
{
SyntaxVisitorResult <IN, OUT> v = Visit(n);
if (v.IsToken)
{
if (!v.Discarded)
{
args.Add(v.TokenResult);
}
}
else if (v.IsValue)
{
args.Add(v.ValueResult);
}
i++;
}
if (node.IsByPassNode)
{
result = SyntaxVisitorResult <IN, OUT> .NewValue((OUT)args[0]);
}
else
{
MethodInfo method = null;
try
{
method = node.Visitor;
object t = (method.Invoke(ParserVsisitorInstance, args.ToArray()));
if (t == null)
{
;
}
OUT res = (OUT)t;
result = SyntaxVisitorResult <IN, OUT> .NewValue(res);
}
catch (Exception e)
{
Console.WriteLine($"OUTCH {e.Message} calling {node.Name} => {method?.Name}");
}
}
}
return(result);
}