internal static string ConstructParameters(Type[] parameters, CallingConventions callingConvention)
 {
     StringBuilder builder = new StringBuilder();
     string str = "";
     for (int i = 0; i < parameters.Length; i++)
     {
         Type type = parameters[i];
         builder.Append(str);
         string str2 = type.SigToString();
         if (type.IsByRef)
         {
             builder.Append(str2.TrimEnd(new char[] { '&' }));
             builder.Append(" ByRef");
         }
         else
         {
             builder.Append(str2);
         }
         str = ", ";
     }
     if ((callingConvention & CallingConventions.VarArgs) == CallingConventions.VarArgs)
     {
         builder.Append(str);
         builder.Append("...");
     }
     return builder.ToString();
 }

		private PropertySignature(CallingConventions callingConvention, Type propertyType, Type[] parameterTypes, PackedCustomModifiers customModifiers)
		{
			this.callingConvention = callingConvention;
			this.propertyType = propertyType;
			this.parameterTypes = parameterTypes;
			this.customModifiers = customModifiers;
		}

#pragma warning restore 649		

		internal MonoArrayMethod (Type arrayClass, string methodName, CallingConventions callingConvention, Type returnType, Type[] parameterTypes) {
			name = methodName;
			parent = arrayClass;
			ret = returnType;
			parameters = (Type[])parameterTypes.Clone();
			call_conv = callingConvention;
		}

        public void GetArrayMethod_ValidArrayValues_ReferenceParameterType(CallingConventions callingConvention)
        {
            ModuleBuilder module = Helpers.DynamicModule();
            VerifyGetArrayMethod(module, typeof(ModuleBuilderGetArrayMethod[]), callingConvention.ToString() + "1", callingConvention, typeof(int), new Type[] { typeof(object) });

            VerifyGetArrayMethod(module, typeof(ModuleBuilderGetArrayMethod[]), callingConvention.ToString() + "2", callingConvention, typeof(int), new Type[] { typeof(object), typeof(string), typeof(ModuleBuilderGetArrayMethod) });
        }

        public void GetArrayMethod_MultiDimensionalArray(CallingConventions callingConvention)
        {
            ModuleBuilder module = Helpers.DynamicModule();
            VerifyGetArrayMethod(module, typeof(ModuleBuilderGetArrayMethod[,]), callingConvention.ToString() + "1", callingConvention, typeof(int), new Type[] { typeof(object) });

            VerifyGetArrayMethod(module, typeof(ModuleBuilderGetArrayMethod[,]), callingConvention.ToString() + "2", callingConvention, typeof(int), new Type[] { typeof(object), typeof(int), typeof(ModuleBuilderGetArrayMethod) });
        }

        public void DefineConstructor(MethodAttributes methodAttributes, Type[] parameterTypes, CallingConventions callingConvention, BindingFlags bindingFlags)
        {
            TypeBuilder type = Helpers.DynamicType(TypeAttributes.Class | TypeAttributes.Public);

            FieldBuilder fieldBuilderA = type.DefineField("TestField", typeof(int), FieldAttributes.Private);
            FieldBuilder fieldBuilderB = type.DefineField("TestField", typeof(int), FieldAttributes.Private);

            ConstructorBuilder ctorBuilder = type.DefineConstructor(methodAttributes, callingConvention, parameterTypes);
            ILGenerator ctorIlGenerator = ctorBuilder.GetILGenerator();

            if (parameterTypes.Length != 0)
            {
                //Calling base class constructor
                ctorIlGenerator.Emit(OpCodes.Ldarg_0);
                ctorIlGenerator.Emit(OpCodes.Call, typeof(object).GetConstructor(new Type[0]));

                ctorIlGenerator.Emit(OpCodes.Ldarg_0);
                ctorIlGenerator.Emit(OpCodes.Ldarg_1);
                ctorIlGenerator.Emit(OpCodes.Stfld, fieldBuilderA);

                ctorIlGenerator.Emit(OpCodes.Ldarg_0);
                ctorIlGenerator.Emit(OpCodes.Ldarg_2);
                ctorIlGenerator.Emit(OpCodes.Stfld, fieldBuilderB);
            }

            ctorIlGenerator.Emit(OpCodes.Ret);

            Type createdType = type.CreateTypeInfo().AsType();
            Assert.NotNull(createdType.GetConstructors(bindingFlags).FirstOrDefault());
        }

        //***********************************************
        //
        // Constructor
        // 
        //***********************************************
        internal SymbolMethod(
            ModuleBuilder mod,
            MethodToken token,
            Type        arrayClass, 
            String      methodName, 
            CallingConventions callingConvention,
            Type        returnType,
            Type[]      parameterTypes)

        {
            m_module = mod;
            m_containingType = arrayClass;
            m_name = methodName;
            m_callingConvention = callingConvention;
            m_returnType = returnType;
            m_mdMethod = token;
            if (parameterTypes != null)
            {
                m_parameterTypes = new Type[parameterTypes.Length];
                Array.Copy(parameterTypes, m_parameterTypes, parameterTypes.Length);
            }
            else
                m_parameterTypes = null;    
            m_signature = SignatureHelper.GetMethodSigHelper(mod, callingConvention, returnType, parameterTypes);
        }

 public void DefineMethod(string name, MethodAttributes attributes, CallingConventions callingConvention, Type returnType, Type[] parameterTypes)
 {
     bool defaultReturnTypeAndParameters = returnType == null && parameterTypes == null;
     if (callingConvention == CallingConventions.Standard)
     {
         if (defaultReturnTypeAndParameters)
         {
             // Use DefineMethod(string, MethodAttributes)
             TypeBuilder type1 = Helpers.DynamicType(TypeAttributes.Public);
             MethodBuilder method1 = type1.DefineMethod(name, attributes);
             VerifyMethod(type1, method1, name, attributes, callingConvention, returnType, parameterTypes);
         }
         // Use DefineMethod(string, MethodAttributes, Type, Type[])
         TypeBuilder type2 = Helpers.DynamicType(TypeAttributes.Public);
         MethodBuilder method2 = type2.DefineMethod(name, attributes, returnType, parameterTypes);
         VerifyMethod(type2, method2, name, attributes, callingConvention, returnType, parameterTypes);
     }
     if (defaultReturnTypeAndParameters)
     {
         // Use DefineMethod(string, MethodAttributes, CallingConventions)
         TypeBuilder type3 = Helpers.DynamicType(TypeAttributes.Public);
         MethodBuilder method3 = type3.DefineMethod(name, attributes, callingConvention);
         VerifyMethod(type3, method3, name, attributes, callingConvention, returnType, parameterTypes);
     }
     // Use DefineMethod(string, MethodAttributes, CallingConventions, Type, Type[])
     TypeBuilder type4 = Helpers.DynamicType(TypeAttributes.Public);
     MethodBuilder method4 = type4.DefineMethod(name, attributes, callingConvention, returnType, parameterTypes);
     VerifyMethod(type4, method4, name, attributes, callingConvention, returnType, parameterTypes);
 }

        /// <summary>
        /// Defines a constructor.
        /// </summary>
        /// <param name="typeBuilder">The type builder.</param>
        /// <param name="methodAttributes">The method attributes.</param>
        /// <param name="callingConvention">The calling convention.</param>
        /// <param name="parameterTypes">The parameter types.</param>
        /// <param name="parameterNames">The parameter names.</param>
        /// <returns>The constructor builder.</returns>
        public static ConstructorBuilder DefineConstructor(this TypeBuilder typeBuilder,
                                                           MethodAttributes methodAttributes,
                                                           CallingConventions callingConvention,
                                                           Type[] parameterTypes,
                                                           string[] parameterNames)
        {
            if (typeBuilder == null)
                throw new ArgumentNullException("typeBuilder");

            if (parameterTypes == null)
                throw new ArgumentNullException("parameterTypes");

            if (parameterNames == null)
                throw new ArgumentNullException("parameterNames");

            if (parameterTypes.Length != parameterNames.Length)
                throw new ArgumentException(Resources.NumberOfParameterTypesAndNamesMustBeEqual);

            // Define constructor.
            var constructorBuilder = typeBuilder.DefineConstructor(
                methodAttributes,
                callingConvention,
                parameterTypes);

            // Define constructor parameters.
            constructorBuilder.DefineParameters(parameterNames);

            return constructorBuilder;
        }

        public void DefineConstructor(MethodAttributes attributes, Type[] parameterTypes, CallingConventions callingConvention)
        {
            TypeBuilder type = Helpers.DynamicType(TypeAttributes.Class | TypeAttributes.Public);

            FieldBuilder fieldBuilderA = type.DefineField("TestField", typeof(int), FieldAttributes.Private);
            FieldBuilder fieldBuilderB = type.DefineField("TestField", typeof(int), FieldAttributes.Private);

            ConstructorBuilder constructor = type.DefineConstructor(attributes, callingConvention, parameterTypes);
            ILGenerator ctorIlGenerator = constructor.GetILGenerator();
            if (parameterTypes.Length != 0)
            {
                // Calling base class constructor
                ctorIlGenerator.Emit(OpCodes.Ldarg_0);
                ctorIlGenerator.Emit(OpCodes.Call, typeof(object).GetConstructor(new Type[0]));

                ctorIlGenerator.Emit(OpCodes.Ldarg_0);
                ctorIlGenerator.Emit(OpCodes.Ldarg_1);
                ctorIlGenerator.Emit(OpCodes.Stfld, fieldBuilderA);

                ctorIlGenerator.Emit(OpCodes.Ldarg_0);
                ctorIlGenerator.Emit(OpCodes.Ldarg_2);
                ctorIlGenerator.Emit(OpCodes.Stfld, fieldBuilderB);
            }
            ctorIlGenerator.Emit(OpCodes.Ret);
            Helpers.VerifyConstructor(constructor, type, attributes, callingConvention, parameterTypes);
        }

 /// <summary>
 ///     Constructor
 /// </summary>
 /// <param name="typeBuilder">Type builder</param>
 /// <param name="attributes">Attributes for the constructor (public, private, etc.)</param>
 /// <param name="parameters">Parameter types for the constructor</param>
 /// <param name="callingConventions">Calling convention for the constructor</param>
 public ConstructorBuilder(TypeBuilder typeBuilder, MethodAttributes attributes,
                           IEnumerable<Type> parameters, CallingConventions callingConventions)
 {
     if (typeBuilder == null)
         throw new ArgumentNullException("typeBuilder");
     Type = typeBuilder;
     Attributes = attributes;
     Parameters = new List<ParameterBuilder>();
     Parameters.Add(new ParameterBuilder(null, 0));
     if (parameters != null)
     {
         int x = 1;
         foreach (var parameterType in parameters)
         {
             Parameters.Add(new ParameterBuilder(parameterType, x));
             ++x;
         }
     }
     CallingConventions = callingConventions;
     Builder = Type.Builder.DefineConstructor(attributes, callingConventions,
                                              (parameters != null && parameters.Count() > 0)
                                                  ? parameters.ToArray()
                                                  : System.Type.EmptyTypes);
     Generator = Builder.GetILGenerator();
 }

        /// <summary>	
        /// 	타입의 생성자를 생성합니다. 
        /// </summary>
        /// <param name="methodAttributes">	생성자 메서드인 .ctor 의 메서드 특성입니다. </param>
        /// <param name="callingConventions">	메서드의 유효한 호출 규칙입니다. </param>
        /// <param name="parameterCriteriaMetadataInfos">	매개 변수의 표준적인 메타데이터 정보입니다. </param>
        /// <returns>	
        /// 	생성자를 생성할 때 사용하는 <see cref="ConstructorBuilder"/> 객체를 반환합니다. 
        /// </returns>
        public ConstructorBuilder CreateConstructor(MethodAttributes methodAttributes, CallingConventions callingConventions, IEnumerable<ParameterCriteriaMetadataInfo> parameterCriteriaMetadataInfos)
        {
            if (isStaticMethod(methodAttributes))
            {
                methodAttributes = MethodAttributes.Static | MethodAttributes.SpecialName | MethodAttributes.RTSpecialName | MethodAttributes.Private | MethodAttributes.HideBySig;
                callingConventions = CallingConventions.Standard;
            }
            else
            {
                callingConventions = CallingConventions.HasThis;
            }

            var constructorBuilder = this.TypeBuilder.DefineConstructor(methodAttributes, callingConventions, parameterCriteriaMetadataInfos.Select( o => o.Type).ToArray());

            int iSeqence = 0;
            foreach (var parameter in parameterCriteriaMetadataInfos)
            {
                iSeqence++;
                constructorBuilder.DefineParameter(iSeqence, parameter.ParameterAttribute, parameter.Name);
            }

            var il = constructorBuilder.GetILGenerator();

            if (isStaticMethod(methodAttributes))	// 정적 생성자는 Object 개체 파생이 아니므로 Object 생성을 하지 않음
            {
                il.Emit(OpCodes.Nop);
            }
            else
            {
                il.Emit(OpCodes.Ldarg_0);
                il.Emit(OpCodes.Call, this.TypeBuilder.BaseType.GetConstructors()[0]);
            }

            return constructorBuilder;
        }

        protected sealed override MethodInfo GetMethodImpl(string name, BindingFlags bindingAttr, Binder binder, CallingConventions callConvention, Type[] types, ParameterModifier[] modifiers)
        {
            Debug.Assert(name != null);

            // GetMethodImpl() is a funnel for two groups of api. We can distinguish by comparing "types" to null.
            if (types == null)
            {
                // Group #1: This group of api accept only a name and BindingFlags. The other parameters are hard-wired by the non-virtual api entrypoints. 
                Debug.Assert(binder == null);
                Debug.Assert(callConvention == CallingConventions.Any);
                Debug.Assert(modifiers == null);
                return LowLevelTypeExtensions.GetMethod(this, name, bindingAttr);
            }
            else
            {
                if (!OnlySearchRelatedBitsSet(bindingAttr))  // We don't yet have proper handling for BindingFlags not related to search so throw rather return a wrong result.
                    throw new NotImplementedException();

                // Group #2: This group of api takes a set of parameter types and an optional binder. 
                if (callConvention != CallingConventions.Any)
                    throw new NotImplementedException();
                if (binder == null)
                    binder = Type.DefaultBinder;
                MethodInfo[] candidates = LowLevelTypeExtensions.GetMethods(this, name, bindingAttr);
                return (MethodInfo)binder.SelectMethod(bindingAttr, candidates, types, modifiers);
            }
        }

        internal SymbolMethod(ModuleBuilder mod, MethodToken token, Type arrayClass, String methodName, 
            CallingConventions callingConvention, Type returnType, Type[] parameterTypes)
        {
            // This is a kind of MethodInfo to represent methods for array type of unbaked type

            // Another way to look at this class is as a glorified MethodToken wrapper. At the time of this comment
            // this class is only constructed inside ModuleBuilder.GetArrayMethod and the only interesting thing 
            // passed into it is this MethodToken. The MethodToken was forged using a TypeSpec for an Array type and
            // the name of the method on Array. 
            // As none of the methods on Array have CustomModifiers their is no need to pass those around in here.
            m_mdMethod = token;

            // The ParameterTypes are also a bit interesting in that they may be unbaked TypeBuilders.
            m_returnType = returnType;
            if (parameterTypes != null)
            {
                m_parameterTypes = new Type[parameterTypes.Length];
                Array.Copy(parameterTypes, 0, m_parameterTypes, 0, parameterTypes.Length);
            }
            else
            {
                m_parameterTypes = EmptyArray<Type>.Value; 
            }
   
            m_module = mod;
            m_containingType = arrayClass;
            m_name = methodName;
            m_callingConvention = callingConvention;

            m_signature = SignatureHelper.GetMethodSigHelper(
                mod, callingConvention, returnType, null, null, parameterTypes, null, null);
        }

		internal static void FormatParameters (StringBuilder sb, ParameterInfo[] p, CallingConventions callingConvention, bool serialization)
		{
			for (int i = 0; i < p.Length; ++i) {
				if (i > 0)
					sb.Append (", ");

				Type t = p[i].ParameterType;

				string typeName = t.FormatTypeName (serialization);

				// Legacy: Why use "ByRef" for by ref parameters? What language is this?
				// VB uses "ByRef" but it should precede (not follow) the parameter name.
				// Why don't we just use "&"?
				if (t.IsByRef && !serialization) {
					sb.Append (typeName.TrimEnd (new char[] { '&' }));
					sb.Append (" ByRef");
				} else {
					sb.Append (typeName);
				}
			}

			if ((callingConvention & CallingConventions.VarArgs) != 0) {
				if (p.Length > 0)
					sb.Append (", ");
				sb.Append ("...");
			}
		}

#pragma warning restore 169, 414

		internal MethodBuilder (TypeBuilder tb, string name, MethodAttributes attributes, CallingConventions callingConvention, Type returnType, Type[] returnModReq, Type[] returnModOpt, Type[] parameterTypes, Type[][] paramModReq, Type[][] paramModOpt)
		{
			this.name = name;
			this.attrs = attributes;
			this.call_conv = callingConvention;
			this.rtype = returnType;
			this.returnModReq = returnModReq;
			this.returnModOpt = returnModOpt;
			this.paramModReq = paramModReq;
			this.paramModOpt = paramModOpt;
			// The MSDN docs does not specify this, but the MS MethodBuilder
			// appends a HasThis flag if the method is not static
			if ((attributes & MethodAttributes.Static) == 0)
 				this.call_conv |= CallingConventions.HasThis;
			if (parameterTypes != null) {
				for (int i = 0; i < parameterTypes.Length; ++i)
					if (parameterTypes [i] == null)
						throw new ArgumentException ("Elements of the parameterTypes array cannot be null", "parameterTypes");

				this.parameters = new Type [parameterTypes.Length];
				System.Array.Copy (parameterTypes, this.parameters, parameterTypes.Length);
			}
			type = tb;
			table_idx = get_next_table_index (this, 0x06, true);

			((ModuleBuilder)tb.Module).RegisterToken (this, GetToken ().Token);
		}

 public ConstructorBuilder DefineConstructor(MethodAttributes attributes, CallingConventions callingConvention, Type[] parameterTypes)
 {
     var cb = _typeBuilder.DefineConstructor(attributes, callingConvention, parameterTypes);
     _members.Add(cb);
     _paramsByMember.Add(cb, parameterTypes);
     return cb;
 }

        internal static SignatureHelper GetMethodSigHelper(
            Module scope, CallingConventions callingConvention, int cGenericParam,
            Type returnType, Type[] requiredReturnTypeCustomModifiers, Type[] optionalReturnTypeCustomModifiers,
            Type[] parameterTypes, Type[][] requiredParameterTypeCustomModifiers, Type[][] optionalParameterTypeCustomModifiers)
        {
            SignatureHelper sigHelp;
            MdSigCallingConvention intCall;
                
            if (returnType == null)
            {
                returnType = typeof(void);
            }            

            intCall = MdSigCallingConvention.Default;

            if ((callingConvention & CallingConventions.VarArgs) == CallingConventions.VarArgs)
                intCall = MdSigCallingConvention.Vararg;

            if (cGenericParam > 0)
            {
                intCall |= MdSigCallingConvention.Generic;
            }

            if ((callingConvention & CallingConventions.HasThis) == CallingConventions.HasThis)
                intCall |= MdSigCallingConvention.HasThis;

            sigHelp = new SignatureHelper(scope, intCall, cGenericParam, returnType, 
                                            requiredReturnTypeCustomModifiers, optionalReturnTypeCustomModifiers);            
            sigHelp.AddArguments(parameterTypes, requiredParameterTypeCustomModifiers, optionalParameterTypeCustomModifiers);

            return sigHelp;
        }

        public void DefineConstructor_NullRequiredAndOptionalCustomModifiers(MethodAttributes attributes, Type[] parameterTypes, CallingConventions callingConvention)
        {
            TypeBuilder type = Helpers.DynamicType(TypeAttributes.Class | TypeAttributes.Public);
            ConstructorBuilder constructor = type.DefineConstructor(attributes, callingConvention, parameterTypes);
            constructor.GetILGenerator().Emit(OpCodes.Ret);

            Helpers.VerifyConstructor(constructor, type, attributes, callingConvention, parameterTypes);
        }

 internal ManagedCalliDescriptor(CallingConventions callingConvention, Type returnType, Type[] parameterTypes, Type[] optionalParameterTypes)
     : base()
 {
     this.Value = string.Format(CultureInfo.CurrentCulture, "{0} {1}({2})",
         ManagedCalliDescriptor.GetConventions(callingConvention),
         new TypeDescriptor(returnType).Value,
         ManagedCalliDescriptor.GetArguments(callingConvention, parameterTypes, optionalParameterTypes));
 }