Esempio n. 1
0
        public bool init_mapping(CallFrame frame)
        {
            bool failMapping(int code)
            {
                VM.FastFail(WNE.TYPE_LOAD,
                            $"Native aspect has incorrect mapping for '{FullName}' field. [0x{code:X}]", frame);
                VM.ValidateLastError();
                return(false);
            }

            var nativeAspect = Aspects.FirstOrDefault(x => x.Name == "Native");

            if (nativeAspect is null)
            {
                return(false);
            }
            if (nativeAspect.Arguments.Count != 1)
            {
                return(failMapping(0));
            }
            var arg = nativeAspect.Arguments.First().Value;

            if (arg is not string existName)
            {
                return(failMapping(1));
            }

            var existField = Owner.FindField(existName);

            if (existField is null)
            {
                return(failMapping(2));
            }

            if (existField.FieldType != FieldType)
            {
                return(failMapping(3));
            }

            if (existField is not RuntimeIshtarField runtimeField)
            {
                return(failMapping(4));
            }

            vtable_offset = runtimeField.vtable_offset;

            return(true);
        }