Esempio n. 1
0
        public virtual ACCESSERROR CheckAccess2(Symbol symCheck, AggregateType atsCheck, Symbol symWhere, CType typeThru)
        {
            Debug.Assert(symCheck != null);
            Debug.Assert(atsCheck == null || symCheck.parent == atsCheck.getAggregate());
            Debug.Assert(typeThru == null ||
                         typeThru.IsAggregateType() ||
                         typeThru.IsTypeParameterType() ||
                         typeThru.IsArrayType() ||
                         typeThru.IsNullableType() ||
                         typeThru.IsErrorType());

#if DEBUG
            switch (symCheck.getKind())
            {
            default:
                break;

            case SYMKIND.SK_MethodSymbol:
            case SYMKIND.SK_PropertySymbol:
            case SYMKIND.SK_FieldSymbol:
            case SYMKIND.SK_EventSymbol:
                Debug.Assert(atsCheck != null);
                break;
            }
#endif // DEBUG

            ACCESSERROR error = CheckAccessCore(symCheck, atsCheck, symWhere, typeThru);
            if (ACCESSERROR.ACCESSERROR_NOERROR != error)
            {
                return(error);
            }

            // Check the accessibility of the return CType.
            CType CType = symCheck.getType();
            if (CType == null)
            {
                return(ACCESSERROR.ACCESSERROR_NOERROR);
            }

            // For members of AGGSYMs, atsCheck should always be specified!
            Debug.Assert(atsCheck != null);

            if (atsCheck.getAggregate().IsSource())
            {
                // We already check the "at least as accessible as" rules.
                // Does this always work for generics?
                // Could we get a bad CType argument in typeThru?
                // Maybe call CheckTypeAccess on typeThru?
                return(ACCESSERROR.ACCESSERROR_NOERROR);
            }

            // Substitute on the CType.
            if (atsCheck.GetTypeArgsAll().size > 0)
            {
                CType = SymbolLoader.GetTypeManager().SubstType(CType, atsCheck);
            }

            return(CheckTypeAccess(CType, symWhere) ? ACCESSERROR.ACCESSERROR_NOERROR : ACCESSERROR.ACCESSERROR_NOACCESS);
        }
Esempio n. 2
0
        public virtual ACCESSERROR CheckAccess2(Symbol symCheck, AggregateType atsCheck, Symbol symWhere, CType typeThru)
        {
            Debug.Assert(symCheck != null);
            Debug.Assert(atsCheck == null || symCheck.parent == atsCheck.getAggregate());
            Debug.Assert(typeThru == null ||
                         typeThru is AggregateType ||
                         typeThru is TypeParameterType ||
                         typeThru is ArrayType ||
                         typeThru is NullableType ||
                         typeThru is ErrorType);

#if DEBUG
            switch (symCheck.getKind())
            {
            case SYMKIND.SK_MethodSymbol:
            case SYMKIND.SK_PropertySymbol:
            case SYMKIND.SK_FieldSymbol:
            case SYMKIND.SK_EventSymbol:
                Debug.Assert(atsCheck != null);
                break;
            }
#endif // DEBUG

            ACCESSERROR error = CheckAccessCore(symCheck, atsCheck, symWhere, typeThru);
            if (ACCESSERROR.ACCESSERROR_NOERROR != error)
            {
                return(error);
            }

            // Check the accessibility of the return CType.
            CType CType = symCheck.getType();
            if (CType == null)
            {
                return(ACCESSERROR.ACCESSERROR_NOERROR);
            }

            // For members of AGGSYMs, atsCheck should always be specified!
            Debug.Assert(atsCheck != null);

            // Substitute on the CType.
            if (atsCheck.GetTypeArgsAll().Count > 0)
            {
                CType = SymbolLoader.GetTypeManager().SubstType(CType, atsCheck);
            }

            return(CheckTypeAccess(CType, symWhere) ? ACCESSERROR.ACCESSERROR_NOERROR : ACCESSERROR.ACCESSERROR_NOACCESS);
        }