public static SyntaxVisitorResult <IN, OUT> NewOptionGroupSome(Group <IN, OUT> group)
{
var res = new SyntaxVisitorResult <IN, OUT>();
res.OptionGroupResult = Some(group);
return(res);
}
private SyntaxVisitorResult <IN, OUT> Visit(GroupSyntaxNode <IN> node, object context = null)
{
var group = new Group <IN, OUT>();
var values = new List <SyntaxVisitorResult <IN, OUT> >();
foreach (var n in node.Children)
{
var v = Visit(n, context);
if (v.IsValue)
{
group.Add(n.Name, v.ValueResult);
}
if (v.IsToken)
{
if (!v.Discarded)
{
group.Add(n.Name, v.TokenResult);
}
}
}
var res = SyntaxVisitorResult <IN, OUT> .NewGroup(group);
return(res);
}
public static SyntaxVisitorResult <IN, OUT> NewOptionSome(OUT value)
{
var res = new SyntaxVisitorResult <IN, OUT>();
res.OptionResult = Some(value);
return(res);
}
private SyntaxVisitorResult <IN, OUT> Visit(ManySyntaxNode <IN> node, object context = null)
{
SyntaxVisitorResult <IN, OUT> result = null;
var values = new List <SyntaxVisitorResult <IN, OUT> >();
foreach (var n in node.Children)
{
var v = Visit(n, context);
values.Add(v);
}
if (node.IsManyTokens)
{
var tokens = new List <Token <IN> >();
values.ForEach(v => tokens.Add(v.TokenResult));
result = SyntaxVisitorResult <IN, OUT> .NewTokenList(tokens);
}
else if (node.IsManyValues)
{
var vals = new List <OUT>();
values.ForEach(v => vals.Add(v.ValueResult));
result = SyntaxVisitorResult <IN, OUT> .NewValueList(vals);
}
else if (node.IsManyGroups)
{
var vals = new List <Group <IN, OUT> >();
values.ForEach(v => vals.Add(v.GroupResult));
result = SyntaxVisitorResult <IN, OUT> .NewGroupList(vals);
}
return(result);
}
private SyntaxVisitorResult <IN, OUT> Visit(OptionSyntaxNode <IN> node)
{
var child = node.Children != null && node.Children.Any() ? node.Children[0] : null;
if (child == null || node.IsEmpty)
{
return(SyntaxVisitorResult <IN, OUT> .NewOptionNone());
}
else
{
SyntaxVisitorResult <IN, OUT> innerResult = Visit(child);
if (child is SyntaxLeaf <IN> leaf)
{
return(SyntaxVisitorResult <IN, OUT> .NewToken(leaf.Token));
}
else if (child is GroupSyntaxNode <IN> group)
{
return(SyntaxVisitorResult <IN, OUT> .NewOptionGroupSome(innerResult.GroupResult));
}
else
{
return(SyntaxVisitorResult <IN, OUT> .NewOptionSome(innerResult.ValueResult));
}
}
}
private SyntaxVisitorResult <IN, OUT> Visit(GroupSyntaxNode <IN> node)
{
Group <IN, OUT> group = new Group <IN, OUT>();
List <SyntaxVisitorResult <IN, OUT> > values = new List <SyntaxVisitorResult <IN, OUT> >();
foreach (ISyntaxNode <IN> n in node.Children)
{
SyntaxVisitorResult <IN, OUT> v = Visit(n);
if (v.IsValue)
{
group.Add(n.Name, v.ValueResult);
}
if (v.IsToken)
{
if (!v.Discarded)
{
group.Add(n.Name, v.TokenResult);
}
}
}
var res = SyntaxVisitorResult <IN, OUT> .NewGroup(group);
return(res);
}
public static SyntaxVisitorResult <IN, OUT> NewOptionNone()
{
var res = new SyntaxVisitorResult <IN, OUT>();
res.OptionResult = None <OUT>();
return(res);
}
public static SyntaxVisitorResult <IN, OUT> NewGroup(Group <IN, OUT> group)
{
var res = new SyntaxVisitorResult <IN, OUT>();
res.GroupResult = group;
res.IsGroup = true;
return(res);
}
public static SyntaxVisitorResult <IN, OUT> NewTokenList(List <Token <IN> > tokens)
{
var res = new SyntaxVisitorResult <IN, OUT>();
res.TokenListResult = tokens;
res.IsTokenList = true;
return(res);
}
public static SyntaxVisitorResult <IN, OUT> NewGroupList(List <Group <IN, OUT> > values)
{
var res = new SyntaxVisitorResult <IN, OUT>();
res.GroupListResult = values;
res.IsGroupList = true;
return(res);
}
public static SyntaxVisitorResult <IN, OUT> NewValue(OUT val)
{
var res = new SyntaxVisitorResult <IN, OUT>();
res.ValueResult = val;
res.IsValue = true;
return(res);
}
public static SyntaxVisitorResult <IN, OUT> NewValueList(List <OUT> values)
{
var res = new SyntaxVisitorResult <IN, OUT>();
res.ValueListResult = values;
res.IsValueList = true;
return(res);
}
public static SyntaxVisitorResult <IN, OUT> NewToken(Token <IN> tok)
{
var res = new SyntaxVisitorResult <IN, OUT>();
res.TokenResult = tok;
res.IsToken = true;
return(res);
}
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);
}
public OUT VisitSyntaxTree(ISyntaxNode <IN> root)
{
SyntaxVisitorResult <IN, OUT> result = Visit(root);
return(result.ValueResult);
}
private SyntaxVisitorResult <IN, OUT> Visit(SyntaxLeaf <IN> leaf)
{
return(SyntaxVisitorResult <IN, OUT> .NewToken(leaf.Token));
}
public static SyntaxVisitorResult <IN, OUT> NoneResult()
{
var res = new SyntaxVisitorResult <IN, OUT>();
return(res);
}