Ejemplo n.º 1
0
        /// <summary>
        /// Scans the specified type's methods.
        /// </summary>
        /// <param name="TheLibrary">The library currently being compiled.</param>
        /// <param name="TheTypeInfo">The type to scan the methods of.</param>
        /// <param name="MethodTablesBlock">The ASM block for the methods table for the library currently being compiled.</param>
        private static void ScanMethods(ILLibrary TheLibrary, Types.TypeInfo TheTypeInfo, ASM.ASMBlock MethodTablesBlock)
        {
            string currentTypeId = TheTypeInfo.ID;
            string currentTypeName = TheTypeInfo.UnderlyingType.FullName;

            List<Tuple<string, string>> AllMethodInfo = new List<Tuple<string, string>>();
            
            if (TheTypeInfo.UnderlyingType.BaseType == null || TheTypeInfo.UnderlyingType.BaseType.FullName != "System.Array")
            {
                foreach (Types.MethodInfo aMethodInfo in TheTypeInfo.MethodInfos)
                {
                    if (!aMethodInfo.IsStatic && !aMethodInfo.UnderlyingInfo.IsAbstract)
                    {
                        string methodID = aMethodInfo.ID;
                        string methodIDValue = aMethodInfo.IDValue.ToString();

                        MethodTablesBlock.AddExternalLabel(methodID);

                        AllMethodInfo.Add(new Tuple<string, string>(methodID, methodIDValue));
                    }
                }
            }

            string parentTypeMethodTablePtr = "0";
            bool parentPtrIsExternal = false;
            if (TheTypeInfo.UnderlyingType.BaseType != null)
            {
                if (!TheTypeInfo.UnderlyingType.BaseType.AssemblyQualifiedName.Contains("mscorlib"))
                {
                    Types.TypeInfo baseTypeInfo = TheLibrary.GetTypeInfo(TheTypeInfo.UnderlyingType.BaseType);
                    parentPtrIsExternal = (ScannedTypes.ContainsKey(baseTypeInfo.ID) && ScannedTypes[baseTypeInfo.ID] != TheLibrary) 
                        || !TheLibrary.TypeInfos.Contains(baseTypeInfo);
                    parentTypeMethodTablePtr = baseTypeInfo.ID + "_MethodTable";
                }
            }
            {
                string methodID = parentTypeMethodTablePtr;
                string methodIDValue = "0";

                if (parentPtrIsExternal)
                {
                    MethodTablesBlock.AddExternalLabel(methodID);
                }

                AllMethodInfo.Add(new Tuple<string,string>(methodID, methodIDValue));
            }

            List<Tuple<string, int>> TableEntryFieldInfos = GetSpecialClassFieldInfo(TheLibrary, typeof(Attributes.MethodInfoStructAttribute));

            ASM.ASMOp newMethodTableOp = TargetArchitecture.CreateASMOp(ASM.OpCodes.MethodTable, 
                currentTypeId, currentTypeName, AllMethodInfo, TableEntryFieldInfos);
            MethodTablesBlock.Append(newMethodTableOp);
        }
Ejemplo n.º 2
0
        /// <summary>
        /// Scans the specified type's non-static fields.
        /// </summary>
        /// <param name="TheLibrary">The library currently being compiled.</param>
        /// <param name="TheTypeInfo">The type to scan the non-static fields of.</param>
        /// <param name="FieldTablesBlock">The ASM block for the fields table for the library currently being compiled.</param>
        private static void ScanFields(ILLibrary TheLibrary, Types.TypeInfo TheTypeInfo, ASM.ASMBlock FieldTablesBlock)
        {
            string currentTypeId = TheTypeInfo.ID;
            string currentTypeName = TheTypeInfo.UnderlyingType.FullName;
            List<Tuple<string, string, string>> AllFieldInfo = new List<Tuple<string, string, string>>();

            if (TheTypeInfo.UnderlyingType.BaseType == null || (TheTypeInfo.UnderlyingType.BaseType.FullName != "System.Array" &&
                                                                TheTypeInfo.UnderlyingType.BaseType.FullName != "System.MulticastDelegate"))
            {
                foreach (Types.FieldInfo anOwnField in TheTypeInfo.FieldInfos)
                {
                    if (!anOwnField.IsStatic)
                    {
                        Types.TypeInfo FieldTypeInfo = TheLibrary.GetTypeInfo(anOwnField.FieldType);

                        string fieldOffsetVal = anOwnField.OffsetInBytes.ToString();
                        string fieldSizeVal = (FieldTypeInfo.IsValueType ? FieldTypeInfo.SizeOnHeapInBytes : FieldTypeInfo.SizeOnStackInBytes).ToString();
                        string fieldTypeIdVal = FieldTypeInfo.ID;

                        FieldTablesBlock.AddExternalLabel(fieldTypeIdVal);
                        AllFieldInfo.Add(new Tuple<string, string, string>(fieldOffsetVal, fieldSizeVal, fieldTypeIdVal));
                    }
                }
            }

            string parentTypeFieldTablePtr = "0";
            bool parentPtrIsExternal = false;
            if (TheTypeInfo.UnderlyingType.BaseType != null)
            {
                if (!TheTypeInfo.UnderlyingType.BaseType.AssemblyQualifiedName.Contains("mscorlib"))
                {
                    Types.TypeInfo baseTypeInfo = TheLibrary.GetTypeInfo(TheTypeInfo.UnderlyingType.BaseType);
                    parentPtrIsExternal = (ScannedTypes.ContainsKey(baseTypeInfo.ID) &&
                         ScannedTypes[baseTypeInfo.ID] != TheLibrary) || !TheLibrary.TypeInfos.Contains(baseTypeInfo);
                    parentTypeFieldTablePtr = baseTypeInfo.ID + "_FieldTable";
                }
            }
            {
                string fieldOffsetVal = "0";
                string fieldSizeVal = "0";
                string fieldTypeIdVal = parentTypeFieldTablePtr;

                if (parentPtrIsExternal)
                {
                    FieldTablesBlock.AddExternalLabel(fieldTypeIdVal);
                }

                AllFieldInfo.Add(new Tuple<string, string, string>(fieldOffsetVal, fieldSizeVal, fieldTypeIdVal));
            }

            List<Tuple<string, int>> TableEntryFieldInfos = GetSpecialClassFieldInfo(TheLibrary, typeof(Attributes.FieldInfoStructAttribute));

            ASM.ASMOp newFieldTableOp = TargetArchitecture.CreateASMOp(ASM.OpCodes.FieldTable, 
                currentTypeId, currentTypeName, AllFieldInfo, TableEntryFieldInfos);
            FieldTablesBlock.Append(newFieldTableOp);
        }
Ejemplo n.º 3
0
        /// <summary>
        /// Scans the specified type (excludes fields and methods).
        /// </summary>
        /// <param name="TheLibrary">The library currently being compiled.</param>
        /// <param name="TheTypeInfo">The type to scan.</param>
        /// <param name="TypesTableBlock">The ASM block for the types table for the library currently being compiled.</param>
        private static void ScanType(ILLibrary TheLibrary, Types.TypeInfo TheTypeInfo, ASM.ASMBlock TypesTableBlock)
        {
            string TypeId = TheTypeInfo.ID;
            string SizeVal = TheTypeInfo.SizeOnHeapInBytes.ToString();
            string IdVal = (TypesScanned++).ToString();
            string StackSizeVal = TheTypeInfo.SizeOnStackInBytes.ToString();
            string IsValueTypeVal = (TheTypeInfo.IsValueType ? "1" : "0");
            string MethodTablePointer = TypeId + "_MethodTable";
            string IsPointerTypeVal = (TheTypeInfo.IsPointer ? "1" : "0");
            string BaseTypeIdVal = "0";
            if (TheTypeInfo.UnderlyingType.BaseType != null)
            {
                if (!TheTypeInfo.UnderlyingType.BaseType.AssemblyQualifiedName.Contains("mscorlib"))
                {
                    Types.TypeInfo baseTypeInfo = TheLibrary.GetTypeInfo(TheTypeInfo.UnderlyingType.BaseType);
                    BaseTypeIdVal = baseTypeInfo.ID;
                    //Declared external to this library, so won't appear in this library's type tables
                    if ((ScannedTypes.ContainsKey(baseTypeInfo.ID) &&
                         ScannedTypes[baseTypeInfo.ID] != TheLibrary) ||
                        !TheLibrary.TypeInfos.Contains(baseTypeInfo))
                    {
                        TypesTableBlock.AddExternalLabel(BaseTypeIdVal);
                    }
                }
            }
            string FieldTablePointer = TypeId + "_FieldTable";
            string TypeSignatureLiteralLabel = TheLibrary.AddStringLiteral(TheTypeInfo.UnderlyingType.FullName); // Legacy
            string TypeIdLiteralLabel = TheLibrary.AddStringLiteral(TheTypeInfo.ID);

            Types.TypeInfo typeTypeInfo = ILLibrary.SpecialClasses[typeof(Attributes.TypeClassAttribute)].First();
            List<Types.FieldInfo> OrderedFields = typeTypeInfo.FieldInfos.Where(x => !x.IsStatic).OrderBy(x => x.OffsetInBytes).ToList();
            List<Tuple<string, Types.TypeInfo>> FieldInformation = new List<Tuple<string, Types.TypeInfo>>();
            foreach (Types.FieldInfo aTypeField in OrderedFields)
            {
                Types.TypeInfo FieldTypeInfo = TheLibrary.GetTypeInfo(aTypeField.FieldType);
                FieldInformation.Add(new Tuple<string, Types.TypeInfo>(aTypeField.Name, FieldTypeInfo));
            }

            ASM.ASMOp newTypeTableOp = TargetArchitecture.CreateASMOp(ASM.OpCodes.TypeTable, 
                TypeId, SizeVal, IdVal, StackSizeVal, IsValueTypeVal, MethodTablePointer, IsPointerTypeVal, 
                BaseTypeIdVal, FieldTablePointer, TypeSignatureLiteralLabel, TypeIdLiteralLabel, FieldInformation);
            TypesTableBlock.Append(newTypeTableOp);

            TypesTableBlock.AddExternalLabel(MethodTablePointer);
            TypesTableBlock.AddExternalLabel(FieldTablePointer);
            TypesTableBlock.AddExternalLabel(TypeSignatureLiteralLabel);
            TypesTableBlock.AddExternalLabel(TypeIdLiteralLabel);
        }