示例#1
0
        public override void EnterExpressionName([NotNull] Java9Parser.ExpressionNameContext context)
        {
            var first = context.GetChild(0);

            if (first is Java9Parser.IdentifierContext)
            {
                var  sy           = first.GetChild(0) as TerminalNodeImpl;
                bool is_statement = false;
                for (var p = first.Parent; p != null; p = p.Parent)
                {
                    if (p is Java9Parser.StatementContext)
                    {
                        is_statement = true;
                        break;
                    }
                }
                if (is_statement)
                {
                    var id_name = sy.GetText();
                    var scope   = GetScope(NearestScope(context));
                    var list_s  = scope.LookupType(id_name);
                    if (list_s.Any())
                    {
                        var ref_list = new List <CombinedScopeSymbol>();
                        foreach (var s in list_s)
                        {
                            ref_list.Add((CombinedScopeSymbol) new RefSymbol(sy.Symbol, s));
                        }
                        if (ref_list.Any())
                        {
                            _pd.Attributes[first] = ref_list;
                        }
                    }
                }
            }
            else if (first is Java9Parser.AmbiguousNameContext)
            {
                //bool is_statement = false;
                //for (var p = first.Parent; p != null; p = p.Parent)
                //{
                //    if (p is Java9Parser.StatementContext)
                //    {
                //        is_statement = true;
                //        break;
                //    }
                //}
                //if (is_statement)
                //{
                //    var id_name = first.GetText();
                //    var s = _current_scope.Peek().resolve(id_name);
                //    if (s != null) _symbols[first] = s;
                //}
            }
        }
示例#2
0
        public override void ExitExpressionName([NotNull] Java9Parser.ExpressionNameContext context)
        {
            // Synthesize attributes.
            var first = context.GetChild(0);

            if (first is Java9Parser.IdentifierContext)
            {
                bool is_statement = false;
                for (var p = first.Parent; p != null; p = p.Parent)
                {
                    if (p is Java9Parser.StatementContext)
                    {
                        is_statement = true;
                        break;
                    }
                    if (p is Java9Parser.BlockStatementContext)
                    {
                        is_statement = true;
                        break;
                    }
                }
                if (is_statement)
                {
                    var id_name = first.GetText();
                    if (id_name == "this")
                    {
                        var scope = GetScope(NearestScope(context));
                        var sc    = scope;
                        for (; sc != null; sc = sc.EnclosingScope)
                        {
                            if (sc is ClassSymbol)
                            {
                                break;
                            }
                        }
                        if (sc != null)
                        {
                            _pd.Attributes[first] = new List <CombinedScopeSymbol>()
                            {
                                (CombinedScopeSymbol)sc
                            }
                        }
                        ;
                    }
                    else
                    {
                        var scope    = GetScope(NearestScope(context));
                        var sy       = first.GetChild(0) as TerminalNodeImpl;
                        var list_s   = scope.LookupType(id_name);
                        var ref_list = new List <CombinedScopeSymbol>();
                        foreach (var s in list_s)
                        {
                            ref_list.Add((CombinedScopeSymbol) new RefSymbol(sy.Symbol, s));
                        }
                        if (ref_list.Any())
                        {
                            _pd.Attributes[first] = ref_list;
                        }
                    }
                }
            }
            else if (first is Java9Parser.ExpressionNameContext)
            {
                bool is_statement = false;
                for (var p = first.Parent; p != null; p = p.Parent)
                {
                    if (p is Java9Parser.StatementContext)
                    {
                        is_statement = true;
                        break;
                    }
                    if (p is Java9Parser.BlockStatementContext)
                    {
                        is_statement = true;
                        break;
                    }
                }
                if (is_statement)
                {
                    _pd.Attributes.TryGetValue(first, out IList <CombinedScopeSymbol> list_v);
                    var ref_list = new List <CombinedScopeSymbol>();
                    foreach (var v in list_v)
                    {
                        if (v is SymbolWithScope)
                        {
                            var sy      = context.GetChild(2) as TerminalNodeImpl;
                            var id_name = context.GetChild(2).GetText();
                            var w       = v as SymbolWithScope;
                            var list_s  = w.LookupType(id_name);
                            if (list_s == null || !list_s.Any())
                            {
                                continue;
                            }
                            foreach (var s in list_s)
                            {
                                ref_list.Add((CombinedScopeSymbol) new RefSymbol(sy.Symbol, s));
                            }
                        }
                    }
                    if (ref_list.Any())
                    {
                        _pd.Attributes[context.GetChild(0)] = ref_list;
                        _pd.Attributes[context]             = ref_list;
                    }
                }
            }
        }