public override void EnterCat([NotNull] lbnfParser.CatContext context)
{
if (context.Identifier() == null)
{
return;
}
var id = context.Identifier().GetText();
if (context.Parent is lbnfParser.DefContext ||
context.Parent is lbnfParser.CatContext)
{
var frontier = TreeEdits.Frontier(context);
var list = frontier.Select(t => t.Symbol).ToList();
ISymbol sym = new NonterminalSymbol(id, list);
_pd.RootScope.define(ref sym);
CombinedScopeSymbol s = (CombinedScopeSymbol)sym;
_pd.Attributes[context] = new List <CombinedScopeSymbol>()
{
s
};
foreach (var tr in frontier)
{
_pd.Attributes[tr] = new List <CombinedScopeSymbol>()
{
s
}
}
;
}
}
}
public override void EnterCat([NotNull] lbnfParser.CatContext context)
{
if (context.Identifier() == null)
{
return;
}
var id = context.Identifier().GetText();
if (!(context.Parent is lbnfParser.ItemContext))
{
return;
}
var frontier = TreeEdits.Frontier(context);
List <ISymbol> prior = _pd.RootScope.LookupType(id).ToList();
if (!prior.Any())
{
var listp = frontier.Select(t => t.Symbol).ToList();
ISymbol symp = new NonterminalSymbol(id, listp);
_pd.RootScope.define(ref symp);
prior = _pd.RootScope.LookupType(id).ToList();
}
var list = frontier.Select(t => t.Symbol).ToList();
List <CombinedScopeSymbol> new_attrs = new List <CombinedScopeSymbol>();
CombinedScopeSymbol s = new RefSymbol(list, prior);
new_attrs.Add(s);
_pd.Attributes[context] = new_attrs;
_pd.Attributes[context] = new List <CombinedScopeSymbol>()
{
s
};
foreach (var tr in frontier)
{
_pd.Attributes[tr] = new List <CombinedScopeSymbol>()
{
s
}
}
;
}
}