C# ConstructorInfo类代码示例

 public AssemblyLoaderImporter(ModuleReader moduleReader, AssemblyResolver assemblyResolver, EmbedTask embedTask)
 {
     instructionConstructorInfo = typeof (Instruction).GetConstructor(BindingFlags.NonPublic | BindingFlags.Instance, null, new[] {typeof (OpCode), typeof (object)}, null);
     this.moduleReader = moduleReader;
     this.assemblyResolver = assemblyResolver;
     this.embedTask = embedTask;
 }

        private void Test_Load(object sender, EventArgs e)
        {
            _attType = typeof(AsyncStateMachineAttribute);
            _assemblies = AppDomain.CurrentDomain.GetAssemblies();
            _ignoreList = new[] { "Equals", "GetHashCode", "GetType", "ToString" };

            _cboCategories = new Dictionary<int, string> { { 1, "EF" }, { 2, "RPC" }, { 3, "BAL" } };
            cboCategories.DataSource = new BindingSource(_cboCategories, null);
            cboCategories.DisplayMember = "Value";
            cboCategories.ValueMember = "Key";
            //cboCategories.SelectedIndex = 0;

            _state = new State();
            var uow = new TekTak.iLoop.UOW.UnitOfWork();
            _constorInfo = new ConstructorInfo
            {
                ConstorParamType = new[] { uow.GetServices().GetType() },
                ConstorParams = new object[] { uow.GetServices() }
            };
            LoadState();
            _samples = API.SampleConfig.GetSamples();
            cboClasses.SelectedIndex = cboClasses.Items.Count >= _state.Combo ? _state.Combo : 0;
            if (treeMethods.Nodes.Count > 0) treeMethods.SelectedNode = treeMethods.Nodes.Count > _state.Node ? treeMethods.Nodes[_state.Node] : treeMethods.Nodes[0];
            treeMethods.Focus();

        }

 public static bool ItGoodConstructor(ConstructorInfo C)
 {
     ParameterInfo[] ps = C.GetParameters();
     var cs = from p in ps
              let prms = p.ParameterType.GetConstructor
              (BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic, null, Type.EmptyTypes, null)
              let pms = p.ParameterType.IsValueType
              where ((prms != null) || pms)
              select p;
     return (cs.Count() == ps.Length);
 }

        public TupleSerializer(RuntimeTypeModel model, ConstructorInfo ctor, MemberInfo[] members)
        {
            if (ctor == null) throw new ArgumentNullException("ctor");
            if (members == null) throw new ArgumentNullException("members");
            this.ctor = ctor;
            this.members = members;
            this.tails = new IProtoSerializer[members.Length];

            ParameterInfo[] parameters = ctor.GetParameters();
            for (int i = 0; i < members.Length; i++)
            {
                WireType wireType;
                Type finalType = parameters[i].ParameterType;

                Type itemType = null, defaultType = null;

                MetaType.ResolveListTypes(model, finalType, ref itemType, ref defaultType);
                Type tmp = itemType == null ? finalType : itemType;

                bool asReference = false;
                int typeIndex = model.FindOrAddAuto(tmp, false, true, false);
                if (typeIndex >= 0)
                {
                    asReference = model[tmp].AsReferenceDefault;
                }
                IProtoSerializer tail = ValueMember.TryGetCoreSerializer(model, DataFormat.Default, tmp, out wireType,
                    asReference, false, false, true),
                    serializer;
                if (tail == null)
                {
                    throw new InvalidOperationException("No serializer defined for type: " + tmp.FullName);
                }

                tail = new TagDecorator(i + 1, wireType, false, tail);
                if (itemType == null)
                {
                    serializer = tail;
                }
                else
                {
                    if (finalType.IsArray)
                    {
                        serializer = new ArrayDecorator(model, tail, i + 1, false, wireType, finalType, false, false);
                    }
                    else
                    {
                        serializer = ListDecorator.Create(model, finalType, defaultType, tail, i + 1, false, wireType,
                            true, false, false);
                    }
                }
                tails[i] = serializer;
            }
        }

    public static StringBuilder BuildConstructors(Type type, ConstructorInfo[] constructors, int slot, int howmanyConstructors)
    {
        string fmt = @"
        _jstype.definition.{0} = function({1}) [[ CS.Call({2}); ]]";

        StringBuilder sb = new StringBuilder();
        var argActual = new cg.args();
        var argFormal = new cg.args();

        for (int i = 0; i < constructors.Length; i++)
        {
            ConstructorInfo con = constructors[i];
            ParameterInfo[] ps = con == null? new ParameterInfo[0] : con.GetParameters();

            argActual.Clear().Add(
                (int)JSVCall.Oper.CONSTRUCTOR, // OP
                slot,
                i,  // NOTICE
                "true", // IsStatics
                "this"
                );

            argFormal.Clear();

            // add T to formal param
            if (type.IsGenericTypeDefinition)
            {
                // TODO check
                int TCount = type.GetGenericArguments().Length;
                for (int j = 0; j < TCount; j++)
                {
                    argFormal.Add("t" + j + "");
                    argActual.Add("t" + j + ".getNativeType()");
                }
            }

            //StringBuilder sbFormalParam = new StringBuilder();
            //StringBuilder sbActualParam = new StringBuilder();
            for (int j = 0; j < ps.Length; j++)
            {
                argFormal.Add("a" + j.ToString());
                argActual.Add("a" + j.ToString());
            }
            sb.AppendFormat(fmt,
                SharpKitMethodName("ctor", ps, howmanyConstructors > 1), // [0]
                argFormal,    // [1]
                argActual);    // [2]
        }
        return sb;
    }

 public static object ObjectFromConstructor(ConstructorInfo C)
 {
     ParameterInfo[] ps = C.GetParameters();
     List<object> o = new List<object>();
     for (int i = 0; i < ps.Length; i++)
     {
         // if (ps[i].DefaultValue != null) o.Add(ps[i].DefaultValue); else
         if (ps[i].ParameterType.IsValueType) o.Add(Activator.CreateInstance(ps[i].ParameterType));
         else
             o.Add(ps[i].ParameterType.GetConstructor
                  (BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic, null, Type.EmptyTypes, null).Invoke(null));
     }
     return C.Invoke(o.ToArray());
 }

		internal static ConstructorInfo AddAutomagicSerializationToWorkaroundBaseClass(TypeBuilder typeBuilderWorkaroundBaseClass, ConstructorInfo baseCtor)
		{
			if (typeBuilderWorkaroundBaseClass.BaseType.IsSerializable)
			{
				typeBuilderWorkaroundBaseClass.SetCustomAttribute(serializableAttribute);
				if (baseCtor != null && (baseCtor.IsFamily || baseCtor.IsFamilyOrAssembly))
				{
					return AddConstructor(typeBuilderWorkaroundBaseClass, null, baseCtor, false);
				}
			}
			return null;
		}

    public static StringBuilder BuildConstructors(Type type, ConstructorInfo[] constructors, int[] constructorsIndex, ClassCallbackNames ccbn)
    {
        /*
        * methods
        * 0 function name
        * 1 list<CSParam> generation
        * 2 function call
        */
        string fmt = @"
        static bool {0}(JSVCall vc, int argc)
        [[
        {1}
        return true;
        ]]
        ";
        StringBuilder sb = new StringBuilder();
        /*if (constructors.Length == 0 && JSBindingSettings.IsGeneratedDefaultConstructor(type) &&
            (type.IsValueType || (type.IsClass && !type.IsAbstract && !type.IsInterface)))
        {
            int olIndex = 1;
            bool returnVoid = false;
            string functionName = type.Name + "_" + type.Name +
                (olIndex > 0 ? olIndex.ToString() : "") + "";// (cons.IsStatic ? "_S" : "");
            sb.AppendFormat(fmt, functionName,
                BuildNormalFunctionCall(0, new ParameterInfo[0], type.Name, type.Name, false, returnVoid, null, true));

            ccbn.constructors.Add(functionName);
            ccbn.constructorsCSParam.Add(GenListCSParam2(new ParameterInfo[0]).ToString());
        }*/

        // increase index if adding default constructor
        //         int deltaIndex = 0;
         if (JSBindingSettings.NeedGenDefaultConstructor(type))
         {
        //             deltaIndex = 1;
         }

        for (int i = 0; i < constructors.Length; i++)
        {
            ConstructorInfo cons = constructors[i];

            if (cons == null)
            {
                sb.AppendFormat("public static ConstructorID constructorID{0} = new ConstructorID({1});\n", i, "null, null");

                // this is default constructor
                //bool returnVoid = false;
                //string functionName = type.Name + "_" + type.Name + "1";
                int olIndex = i + 1; // for constuctors, they are always overloaded
                string functionName = JSNameMgr.HandleFunctionName(type.Name + "_" + type.Name + (olIndex > 0 ? olIndex.ToString() : ""));

                sb.AppendFormat(fmt, functionName,
                    BuildNormalFunctionCall(0, new ParameterInfo[0], type.Name, false, null, true));

                ccbn.constructors.Add(functionName);
                ccbn.constructorsCSParam.Add(GenListCSParam2(new ParameterInfo[0]).ToString());
            }
            else
            {
                ParameterInfo[] paramS = cons.GetParameters();
                int olIndex = i + 1; // for constuctors, they are always overloaded
                int methodTag = i/* + deltaIndex*/;

                for (int j = 0; j < paramS.Length; j++)
                {
                    if (JSDataExchangeEditor.IsDelegateDerived(paramS[j].ParameterType))
                    {
                        StringBuilder sbD = JSDataExchangeEditor.Build_DelegateFunction(type, cons, paramS[j].ParameterType, methodTag, j);
                        sb.Append(sbD);
                    }
                }

                // ConstructorID
                if (type.IsGenericTypeDefinition)
                {
                    cg.args arg = new cg.args();
                    cg.args arg1 = new cg.args();
                    cg.args arg2 = new cg.args();

                    foreach (ParameterInfo p in cons.GetParameters())
                    {
                        cg.args argFlag = ParameterInfo2TypeFlag(p);
                        arg1.AddFormat("\"{0}\"", p.ParameterType.Name);
                        arg2.Add(argFlag.Format(cg.args.ArgsFormat.Flag));
                    }

                    if (arg1.Count > 0)
                        arg.AddFormat("new string[]{0}", arg1.Format(cg.args.ArgsFormat.Brace));
                    else
                        arg.Add("null");
                    if (arg2.Count > 0)
                        arg.AddFormat("new TypeFlag[]{0}", arg2.Format(cg.args.ArgsFormat.Brace));
                    else
                        arg.Add("null");
                    sb.AppendFormat("public static ConstructorID constructorID{0} = new ConstructorID({1});\n", i, arg.ToString());
                }

                string functionName = JSNameMgr.HandleFunctionName(type.Name + "_" + type.Name + (olIndex > 0 ? olIndex.ToString() : "") + (cons.IsStatic ? "_S" : ""));

                sb.AppendFormat(fmt, functionName,
//.........这里部分代码省略.........

		internal SmartConstructorMethodWrapper(TypeWrapper declaringType, string name, string sig, ConstructorInfo method, TypeWrapper[] parameterTypes, Modifiers modifiers, MemberFlags flags)
			: base(declaringType, name, sig, method, PrimitiveTypeWrapper.VOID, parameterTypes, modifiers, flags)
		{
		}

        static ConstructorInfo [] GetAllConstructors (Type t)
        {
                BindingFlags static_flag = BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.DeclaredOnly |BindingFlags.Static;
                BindingFlags instance_flag = BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.DeclaredOnly |BindingFlags.Instance;

                ConstructorInfo [] static_members = t.GetConstructors (static_flag);
                ConstructorInfo [] instance_members = t.GetConstructors (instance_flag);

                if (static_members == null && instance_members == null)
                        return null;

                ConstructorInfo [] all_members = new ConstructorInfo [static_members.Length + instance_members.Length];
                static_members.CopyTo (all_members, 0); // copy all static members
                instance_members.CopyTo (all_members, static_members.Length); // copy all instance members

                return all_members;
        }

		public static ConstructorInfo GetConstructor(Type type, ConstructorInfo constructor)
		{
			return new ConstructorInfoImpl(GetMethod(type, constructor.GetMethodInfo()));
		}

 internal CustomClassLoaderCtorCaller(ConstructorInfo ctor, object classLoader, Assembly assembly)
 {
     this.ctor = ctor;
     this.classLoader = classLoader;
     this.assembly = assembly;
 }

		void Initialize(Type targetType, string methodName)
		{
			if (!_delegateType.IsSubclassOf(_typeMapper.MapType(typeof(Delegate))))
				throw new ArgumentException(Properties.Messages.ErrInvalidDelegateType, "delegateType");

			IMemberInfo delegateInvocationMethod = null;

			foreach (IMemberInfo mi in _typeMapper.TypeInfo.GetMethods(_delegateType))
			{
				if (mi.Name == "Invoke")
				{
					if (delegateInvocationMethod != null)
						throw new ArgumentException(Properties.Messages.ErrInvalidDelegateType, "delegateType");

					delegateInvocationMethod = mi;
				}
			}

			if (delegateInvocationMethod == null)
				throw new ArgumentException(Properties.Messages.ErrInvalidDelegateType, "delegateType");

			foreach (IMemberInfo mi in _typeMapper.TypeInfo.GetConstructors(_delegateType))
			{
				if (mi.IsStatic)
					continue;

				Type[] ctorParamTypes = mi.ParameterTypes;

				if (ctorParamTypes.Length == 2 && ctorParamTypes[0] == _typeMapper.MapType(typeof(object)) && ctorParamTypes[1] == _typeMapper.MapType(typeof(IntPtr)))
				{
					if (_delegateConstructor != null)
						throw new ArgumentException(Properties.Messages.ErrInvalidDelegateType, "delegateType");

					_delegateConstructor = (ConstructorInfo)mi.Member;
				}
			}

			if (_delegateConstructor == null)
				throw new ArgumentException(Properties.Messages.ErrInvalidDelegateType, "delegateType");

			Type retType = delegateInvocationMethod.ReturnType;
			Type[] parameterTypes = delegateInvocationMethod.ParameterTypes;

			for ( ; targetType != null; targetType = targetType.BaseType)
			{
				foreach (IMemberInfo mi in _typeMapper.TypeInfo.Filter(_typeMapper.TypeInfo.GetMethods(targetType), methodName, false, (object)_target == null, false))
				{
					if (mi.ReturnType == retType && ArrayUtils.Equals(mi.ParameterTypes, parameterTypes))
					{
						if (_method == null)
							_method = (MethodInfo)mi.Member;
						else
							throw new AmbiguousMatchException(Properties.Messages.ErrAmbiguousBinding);
					}
				}

				if (_method != null)
					break;
			}

			if (_method == null)
				throw new MissingMethodException(Properties.Messages.ErrMissingMethod);
		}

			static bool HasMissingType (ConstructorInfo ctor)
			{
#if STATIC
				//
				// Mimic odd csc behaviour where missing type on predefined
				// attributes means the attribute is silently ignored. This can
				// happen with PCL facades
				//
				foreach (var p in ctor.GetParameters ()) {
					if (p.ParameterType.__ContainsMissingType)
						return true;
				}
#endif

				return false;
			}

			internal static void GetConstructors(Type type, out ConstructorInfo defCtor, out ConstructorInfo singleOneArgCtor)
			{
				defCtor = null;
				int oneArgCtorCount = 0;
				ConstructorInfo oneArgCtor = null;
				ConstructorInfo[] constructors = type.GetConstructors(BindingFlags.Public | BindingFlags.Instance);
				// HACK we have a special rule to make some additional custom attributes from mscorlib usable:
				// Attributes that have two constructors, one an enum and another one taking a byte, short or int,
				// we only expose the enum constructor.
				if (constructors.Length == 2 && type.Assembly == Types.Object.Assembly)
				{
					ParameterInfo[] p0 = constructors[0].GetParameters();
					ParameterInfo[] p1 = constructors[1].GetParameters();
					if (p0.Length == 1 && p1.Length == 1)
					{
						Type t0 = p0[0].ParameterType;
						Type t1 = p1[0].ParameterType;
						bool swapped = false;
						if (t1.IsEnum)
						{
							Type tmp = t0;
							t0 = t1;
							t1 = tmp;
							swapped = true;
						}
						if (t0.IsEnum && (t1 == Types.Byte || t1 == Types.Int16 || t1 == Types.Int32))
						{
							if (swapped)
							{
								singleOneArgCtor = constructors[1];
							}
							else
							{
								singleOneArgCtor = constructors[0];
							}
							return;
						}
					}
				}
				if (type.Assembly == Types.Object.Assembly)
				{
					if (type.FullName == "System.Runtime.CompilerServices.MethodImplAttribute")
					{
						foreach (ConstructorInfo ci in constructors)
						{
							ParameterInfo[] p = ci.GetParameters();
							if (p.Length == 1 && p[0].ParameterType.IsEnum)
							{
								singleOneArgCtor = ci;
								return;
							}
						}
					}
				}
				foreach (ConstructorInfo ci in constructors)
				{
					ParameterInfo[] args = ci.GetParameters();
					if (args.Length == 0)
					{
						defCtor = ci;
					}
					else if (args.Length == 1)
					{
						if (IsSupportedType(args[0].ParameterType))
						{
							oneArgCtor = ci;
							oneArgCtorCount++;
						}
						else
						{
							// set to two to make sure we don't see the oneArgCtor as viable
							oneArgCtorCount = 2;
						}
					}
				}
				singleOneArgCtor = oneArgCtorCount == 1 ? oneArgCtor : null;
			}