public override void EnterSymbol([NotNull] W3CebnfParser.SymbolContext context)
{
var token_ref = context.SYMBOL();
if (token_ref != null)
{
for (var parent = context.Parent; parent != null; parent = parent.Parent)
{
if (parent is W3CebnfParser.LhsContext)
{
return;
}
}
string id = token_ref.GetText();
List <ISymbol> list = _pd.RootScope.LookupType(id).ToList();
if (!list.Any())
{
ISymbol sym = new NonterminalSymbol(id, new List <IToken>()
{
token_ref.Symbol
});
_pd.RootScope.define(ref sym);
list = _pd.RootScope.LookupType(id).ToList();
}
List <CombinedScopeSymbol> new_attrs = new List <CombinedScopeSymbol>();
CombinedScopeSymbol s = new RefSymbol(new List <IToken>()
{
token_ref.Symbol
}, list);
new_attrs.Add(s);
_pd.Attributes[context] = new_attrs;
_pd.Attributes[token_ref] = new_attrs;
}
}
public override void EnterId([NotNull] ANTLRv4Parser.IdContext context)
{
if (context.Parent is ANTLRv4Parser.LexerCommandExprContext && context.Parent.Parent is ANTLRv4Parser.LexerCommandContext)
{
ANTLRv4Parser.LexerCommandContext lc = context.Parent.Parent as ANTLRv4Parser.LexerCommandContext;
if (lc.GetChild(0)?.GetChild(0)?.GetText() == "pushMode")
{
TerminalNodeImpl term = context.GetChild(0) as TerminalNodeImpl;
string id = term.GetText();
IList <ISymbol> sym_list = _pd.RootScope.LookupType(id);
if (!sym_list.Any())
{
ISymbol sym = new ModeSymbol(id, null);
_pd.RootScope.define(ref sym);
}
List <CombinedScopeSymbol> ref_list = new List <CombinedScopeSymbol>();
foreach (ISymbol sym in sym_list)
{
CombinedScopeSymbol s = new RefSymbol(term.Symbol, sym);
ref_list.Add(s);
}
_pd.Attributes[context] = ref_list;
_pd.Attributes[context.GetChild(0)] = ref_list;
}
else if (lc.GetChild(0)?.GetChild(0)?.GetText() == "channel")
{
TerminalNodeImpl term = context.GetChild(0) as TerminalNodeImpl;
string id = term.GetText();
IList <ISymbol> sym_list = _pd.RootScope.LookupType(id);
if (!sym_list.Any())
{
ISymbol sym = new ChannelSymbol(id, null);
_pd.RootScope.define(ref sym);
}
List <CombinedScopeSymbol> ref_list = new List <CombinedScopeSymbol>();
foreach (ISymbol sym in sym_list)
{
CombinedScopeSymbol s = new RefSymbol(term.Symbol, sym);
ref_list.Add(s);
}
_pd.Attributes[context] = ref_list;
_pd.Attributes[context.GetChild(0)] = ref_list;
}
}
}
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
}
}
;
}
}
public override void EnterRuleref([NotNull] ANTLRv4Parser.RulerefContext context)
{
TerminalNodeImpl first = context.GetChild(0) as TerminalNodeImpl;
string id = context.GetChild(0).GetText();
IList <ISymbol> list = _pd.RootScope.LookupType(id);
if (!list.Any())
{
ISymbol sym = new NonterminalSymbol(id, first.Symbol);
_pd.RootScope.define(ref sym);
}
List <CombinedScopeSymbol> new_attrs = new List <CombinedScopeSymbol>();
foreach (ISymbol sym in list)
{
CombinedScopeSymbol s = new RefSymbol(first.Symbol, sym);
new_attrs.Add(s);
}
_pd.Attributes[context] = new_attrs;
_pd.Attributes[context.GetChild(0)] = new_attrs;
}