Exemplo n.º 1
0
        // fieldInfo - the field who's value we want
        // objNode - the member node corresponding to the field
        // out topLevelObject - the object that contains the highest level
        //  struct.
        // s/b protected, stupid compiler
        internal static FieldInfo[] GetStructFields
            (IObjectNode objNode,
            out Object topLevelObject)
        {
            Stack       structInfoStack = new Stack();
            IObjectNode parentObjNode;

            if (TraceUtil.If(typeof(StructAccessor), TraceLevel.Info))
            {
                TraceUtil.WriteLineInfo
                    (typeof(StructAccessor),
                    "GetAccessor: " + objNode.ObjectInfo.ToString()
                    + " node: " + objNode.ToString());
            }


            // Build up the structFields array, the fields between the
            // top level object and the object we want to change
            while (true)
            {
                parentObjNode = objNode.ParentObjectNode;
                if (parentObjNode == null)
                {
                    throw new Exception("(bug) hit no parent when "
                                        + "looking for enclosing object "
                                        + "for a struct " + objNode);
                }

                // This is an enclosing struct, push the field
                // information of how to get to the child here
                FieldInfo fi = parentObjNode.ObjType.GetField
                                   (objNode.ObjectInfo.ObjMemberInfo.Name,
                                   ReflectionHelper.ALL_BINDINGS);
                if (fi == null)
                {
                    throw new Exception("(bug) field "
                                        + objNode.ObjType.Name
                                        + " not found in " + parentObjNode);
                }

                structInfoStack.Push(fi);

                // Found the containing object, either not a value
                // type, or this is not a field which means it can't
                // be inline any more
                if (!parentObjNode.ObjType.IsValueType ||
                    !(parentObjNode.ObjectInfo.ObjMemberInfo is FieldInfo))
                {
                    break;
                }

                // Go up
                objNode = parentObjNode;
            }

            // Ok, at this point, parent is the ObjectInfo for the
            // object that contains the top-level struct
            topLevelObject = parentObjNode.Obj;

            if (TraceUtil.If(typeof(StructAccessor), TraceLevel.Info))
            {
                TraceUtil.WriteLineInfo
                    (typeof(StructAccessor),
                    "GetAccessor - top level obj: "
                    + topLevelObject);
            }

            int count = structInfoStack.Count;

            FieldInfo[] structFields =
                new FieldInfo[structInfoStack.Count];
            for (int i = 0; i < count; i++)
            {
                structFields[i] = (FieldInfo)structInfoStack.Pop();
            }
            return(structFields);
        }
Exemplo n.º 2
0
		// fieldInfo - the field who's value we want
		// objNode - the member node corresponding to the field
		// out topLevelObject - the object that contains the highest level
		//  struct.
		// s/b protected, stupid compiler
		internal static FieldInfo[] GetStructFields
			(IObjectNode objNode,
			 out Object topLevelObject)
		{
			Stack structInfoStack = new Stack();
			IObjectNode parentObjNode;

			if (TraceUtil.If(typeof(StructAccessor), TraceLevel.Info))
			{
				TraceUtil.WriteLineInfo
					(typeof(StructAccessor),
					 "GetAccessor: " + objNode.ObjectInfo.ToString()
					 + " node: " + objNode.ToString());
			}
								

			// Build up the structFields array, the fields between the
			// top level object and the object we want to change
			while (true)
			{
				parentObjNode = objNode.ParentObjectNode;
				if (parentObjNode == null)
				{
					throw new Exception("(bug) hit no parent when "
										+ "looking for enclosing object "
										+ "for a struct " + objNode);
				}

				// This is an enclosing struct, push the field 
				// information of how to get to the child here
				FieldInfo fi = parentObjNode.ObjType.GetField
					(objNode.ObjectInfo.ObjMemberInfo.Name,
					 ReflectionHelper.ALL_BINDINGS);
				if (fi == null)
				{
					throw new Exception("(bug) field " 
										+ objNode.ObjType.Name 
										+ " not found in " + parentObjNode);
				}

				structInfoStack.Push(fi);

				// Found the containing object, either not a value
				// type, or this is not a field which means it can't
				// be inline any more
				if (!parentObjNode.ObjType.IsValueType ||
					!(parentObjNode.ObjectInfo.ObjMemberInfo is FieldInfo))
					break;

				// Go up
				objNode = parentObjNode;
			}

			// Ok, at this point, parent is the ObjectInfo for the
			// object that contains the top-level struct
			topLevelObject = parentObjNode.Obj;

			if (TraceUtil.If(typeof(StructAccessor), TraceLevel.Info))
			{
				TraceUtil.WriteLineInfo
					(typeof(StructAccessor),
					 "GetAccessor - top level obj: " 
					 + topLevelObject);
			}
								
			int count = structInfoStack.Count;
			FieldInfo[] structFields = 
				new FieldInfo[structInfoStack.Count];
			for (int i = 0; i < count; i++)
				structFields[i] = (FieldInfo)structInfoStack.Pop();
			return structFields;
		}
Exemplo n.º 3
0
        // fieldInfo - the field who's value we want
        // objNode - the member node corresponding to the field
        // out topLevelObject - the object that contains the highest level
        //  struct.
        // s/b protected, stupid compiler
        internal static StructAccessor GetAccessorObject
            (IObjectNode objNode,
            out Object topLevelObject)
        {
            Stack       structInfoStack = new Stack();
            IObjectNode parentObjNode;

            if (TraceUtil.If(typeof(StructAccessor), TraceLevel.Info))
            {
                TraceUtil.WriteLineInfo
                    (typeof(StructAccessor),
                    "GetAccessor: " + objNode.ObjectInfo.ToString()
                    + " node: " + objNode.ToString());
            }


            // Build up the structFields array, the fields between the
            // top level object and the object we want to change
            while (true)
            {
                parentObjNode = objNode.ParentObjectNode;
                if (parentObjNode == null)
                {
                    throw new Exception("(bug) hit no parent when "
                                        + "looking for enclosing object "
                                        + "for a struct " + objNode);
                }

                // This is an enclosing struct, push the field
                // information of how to get to the child here
                FieldInfo fi = parentObjNode.ObjType.GetField
                                   (objNode.ObjectInfo.ObjMemberInfo.Name,
                                   ReflectionHelper.ALL_BINDINGS);
                if (fi == null)
                {
                    throw new Exception("(bug) field "
                                        + objNode.ObjType.Name
                                        + " not found in " + parentObjNode);
                }

                structInfoStack.Push(fi);

                // Found the containing object, either not a value
                // type, or this is not a field which means it can't
                // be inline any more
                // FIXME - double check the member thing here, is this
                // the right level to check?
                if (!parentObjNode.ObjType.IsValueType ||
                    !(parentObjNode.ObjectInfo.ObjMemberInfo is FieldInfo))
                {
                    break;
                }

                // Go up
                objNode = parentObjNode;
            }

            // Ok, at this point, parent is the ObjectInfo for the
            // object that contains the top-level struct
            Type objType = parentObjNode.ObjType;

            topLevelObject = parentObjNode.Obj;

            if (TraceUtil.If(typeof(StructAccessor), TraceLevel.Info))
            {
                TraceUtil.WriteLineInfo
                    (typeof(StructAccessor),
                    "GetAccessor - top level type/obj: "
                    + objType + "/" + topLevelObject);
            }

            int count = structInfoStack.Count;

            FieldInfo[] structFields =
                new FieldInfo[structInfoStack.Count];
            for (int i = 0; i < count; i++)
            {
                structFields[i] = (FieldInfo)structInfoStack.Pop();
            }

            StructAccessor vtAccessor;
            StringBuilder  keyBuilder = new StringBuilder();
            String         key;

            keyBuilder.Append(objType.FullName);
            keyBuilder.Append(".");
            foreach (FieldInfo fi in structFields)
            {
                keyBuilder.Append(fi.Name);
                keyBuilder.Append(".");
            }
            key = keyBuilder.ToString();

            if (TraceUtil.If(typeof(StructAccessor), TraceLevel.Info))
            {
                TraceUtil.WriteLineInfo
                    (typeof(StructAccessor),
                    "GetAccessor - key: " + key);
            }

            lock (typeof(StructAccessor))
            {
                vtAccessor = (StructAccessor)_accessors[key];
                if (vtAccessor != null)
                {
                    return(vtAccessor);
                }

                vtAccessor = new StructAccessor();
                vtAccessor.MakeAccessorClass(key,
                                             objType,
                                             structFields);
                _accessors.Add(key, vtAccessor);
                return(vtAccessor);
            }
        }
Exemplo n.º 4
0
		// fieldInfo - the field who's value we want
		// objNode - the member node corresponding to the field
		// out topLevelObject - the object that contains the highest level
		//  struct.
		// s/b protected, stupid compiler
		internal static StructAccessor GetAccessorObject
			(IObjectNode objNode,
			 out Object topLevelObject)
		{
			Stack structInfoStack = new Stack();
			IObjectNode parentObjNode;

			if (TraceUtil.If(typeof(StructAccessor), TraceLevel.Info))
			{
				TraceUtil.WriteLineInfo
					(typeof(StructAccessor),
					 "GetAccessor: " + objNode.ObjectInfo.ToString()
					 + " node: " + objNode.ToString());
			}
								

			// Build up the structFields array, the fields between the
			// top level object and the object we want to change
			while (true)
			{
				parentObjNode = objNode.ParentObjectNode;
				if (parentObjNode == null)
				{
					throw new Exception("(bug) hit no parent when "
										+ "looking for enclosing object "
										+ "for a struct " + objNode);
				}

				// This is an enclosing struct, push the field 
				// information of how to get to the child here
				FieldInfo fi = parentObjNode.ObjType.GetField
					(objNode.ObjectInfo.ObjMemberInfo.Name,
					 ReflectionHelper.ALL_BINDINGS);
				if (fi == null)
				{
					throw new Exception("(bug) field " 
										+ objNode.ObjType.Name 
										+ " not found in " + parentObjNode);
				}

				structInfoStack.Push(fi);

				// Found the containing object, either not a value
				// type, or this is not a field which means it can't
				// be inline any more
				// FIXME - double check the member thing here, is this
				// the right level to check?
				if (!parentObjNode.ObjType.IsValueType ||
					!(parentObjNode.ObjectInfo.ObjMemberInfo is FieldInfo))
					break;

				// Go up
				objNode = parentObjNode;
			}

			// Ok, at this point, parent is the ObjectInfo for the
			// object that contains the top-level struct
			Type objType = parentObjNode.ObjType;
			topLevelObject = parentObjNode.Obj;

			if (TraceUtil.If(typeof(StructAccessor), TraceLevel.Info))
			{
				TraceUtil.WriteLineInfo
					(typeof(StructAccessor),
					 "GetAccessor - top level type/obj: " 
					 + objType + "/" + topLevelObject);
			}
								
			int count = structInfoStack.Count;
			FieldInfo[] structFields = 
				new FieldInfo[structInfoStack.Count];
			for (int i = 0; i < count; i++)
				structFields[i] = (FieldInfo)structInfoStack.Pop();

			StructAccessor vtAccessor;
			StringBuilder keyBuilder = new StringBuilder();
			String key;
			
			keyBuilder.Append(objType.FullName);
			keyBuilder.Append(".");
			foreach (FieldInfo fi in structFields)
			{
				keyBuilder.Append(fi.Name);
				keyBuilder.Append(".");
			}
			key = keyBuilder.ToString();

			if (TraceUtil.If(typeof(StructAccessor), TraceLevel.Info))
			{
				TraceUtil.WriteLineInfo
					(typeof(StructAccessor),
					 "GetAccessor - key: " + key);
			}
								
			lock (typeof(StructAccessor))
			{
				vtAccessor = (StructAccessor)_accessors[key];
				if (vtAccessor != null)
					return vtAccessor;

				vtAccessor = new StructAccessor();
				vtAccessor.MakeAccessorClass(key,
											 objType,
											 structFields);
				_accessors.Add(key, vtAccessor);
				return vtAccessor;
			}
		}