EnumBuilder.cs source code in C# .NET

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Code:

                         / DotNET / DotNET / 8.0 / untmp / whidbey / REDBITS / ndp / clr / src / BCL / System / Reflection / Emit / EnumBuilder.cs / 1 / EnumBuilder.cs
                        

                        
                            // ==++== 
//
//   Copyright (c) Microsoft Corporation.  All rights reserved.
//
// ==--== 
/*============================================================
** 
** Class:  EnumBuilder 
**
** 
** EnumBuilder is a helper class to build Enum ( a special type ).
**
**
===========================================================*/ 
namespace System.Reflection.Emit {
 
    using System; 
    using System.Reflection;
    using System.Runtime.Remoting.Activation; 
    using System.Runtime.InteropServices;
    using CultureInfo = System.Globalization.CultureInfo;
    using System.Security.Permissions;
 

    [HostProtection(MayLeakOnAbort = true)] 
    [ClassInterface(ClassInterfaceType.None)] 
    [ComDefaultInterface(typeof(_EnumBuilder))]
[System.Runtime.InteropServices.ComVisible(true)] 
    sealed public class EnumBuilder : Type, _EnumBuilder
    {

        // Define literal for enum 

        public FieldBuilder DefineLiteral(String literalName, Object literalValue) 
        { 
            BCLDebug.Log("DYNIL","## DYNIL LOGGING: EnumBuilder.DefineLiteral( " + literalName + " )");
 
            // Define the underlying field for the enum. It will be a non-static, private field with special name bit set.
            FieldBuilder fieldBuilder = m_typeBuilder.DefineField(
                literalName,
                this, 
                FieldAttributes.Public | FieldAttributes.Static | FieldAttributes.Literal);
            fieldBuilder.SetConstant(literalValue); 
            return fieldBuilder; 
        }
 
        // CreateType cause EnumBuilder to be baked.
        public Type CreateType()
        {
            BCLDebug.Log("DYNIL","## DYNIL LOGGING: EnumBuilder.CreateType() "); 
            return m_typeBuilder.CreateType();
        } 
 
        // Get the internal metadata token for this class.
        public TypeToken TypeToken { 
            get {return  m_typeBuilder.TypeToken; }
        }

 
        // return the underlying field for the enum
        public FieldBuilder UnderlyingField { 
            get {return  m_underlyingField; } 
        }
 
        public override String Name {
            get { return m_typeBuilder.Name; }
        }
 
        /***************************************************
         * 
         * abstract methods defined in the base class 
         *
         */ 
        public override Guid GUID {
            get {
                return m_typeBuilder.GUID;
            } 
        }
 
        public override Object InvokeMember( 
            String      name,
            BindingFlags invokeAttr, 
            Binder     binder,
            Object      target,
            Object[]   args,
            ParameterModifier[]       modifiers, 
            CultureInfo culture,
            String[]    namedParameters) 
        { 
            return m_typeBuilder.InvokeMember(name, invokeAttr, binder, target, args, modifiers, culture, namedParameters);
        } 

        public override Module Module {
            get {return m_typeBuilder.Module;}
        } 

        public override Assembly Assembly { 
            get {return m_typeBuilder.Assembly;} 
        }
 
        public override RuntimeTypeHandle TypeHandle {
            get {return m_typeBuilder.TypeHandle;}
        }
 
        public override String FullName {
            get { return m_typeBuilder.FullName;} 
        } 

        public override String AssemblyQualifiedName { 
            get {
                return m_typeBuilder.AssemblyQualifiedName;
            }
        } 

        public override String Namespace { 
            get { return m_typeBuilder.Namespace;} 
        }
 
        public override Type BaseType {
            get{return m_typeBuilder.BaseType;}
        }
 
        protected override ConstructorInfo GetConstructorImpl(BindingFlags bindingAttr,Binder binder,
                CallingConventions callConvention, Type[] types,ParameterModifier[] modifiers) 
        { 
            return m_typeBuilder.GetConstructor(bindingAttr, binder, callConvention,
                            types, modifiers); 
        }

[System.Runtime.InteropServices.ComVisible(true)]
        public override ConstructorInfo[] GetConstructors(BindingFlags bindingAttr) 
        {
            return m_typeBuilder.GetConstructors(bindingAttr); 
        } 

        protected override MethodInfo GetMethodImpl(String name,BindingFlags bindingAttr,Binder binder, 
                CallingConventions callConvention, Type[] types,ParameterModifier[] modifiers)
        {
            if (types == null)
                return m_typeBuilder.GetMethod(name, bindingAttr); 
            else
                return m_typeBuilder.GetMethod(name, bindingAttr, binder, callConvention, types, modifiers); 
        } 

        public override MethodInfo[] GetMethods(BindingFlags bindingAttr) 
        {
            return m_typeBuilder.GetMethods(bindingAttr);
        }
 
        public override FieldInfo GetField(String name, BindingFlags bindingAttr)
        { 
            return m_typeBuilder.GetField(name, bindingAttr); 
        }
 
        public override FieldInfo[] GetFields(BindingFlags bindingAttr)
        {
            return m_typeBuilder.GetFields(bindingAttr);
        } 

        public override Type GetInterface(String name, bool ignoreCase) 
        { 
            return m_typeBuilder.GetInterface(name, ignoreCase);
        } 

        public override Type[] GetInterfaces()
        {
            return m_typeBuilder.GetInterfaces(); 
        }
 
        public override EventInfo GetEvent(String name, BindingFlags bindingAttr) 
        {
            return m_typeBuilder.GetEvent(name, bindingAttr); 
        }

        public override EventInfo[] GetEvents()
        { 
            return m_typeBuilder.GetEvents();
        } 
 
        protected override PropertyInfo GetPropertyImpl(String name, BindingFlags bindingAttr, Binder binder,
                Type returnType, Type[] types, ParameterModifier[] modifiers) 
        {
            throw new NotSupportedException(Environment.GetResourceString("NotSupported_DynamicModule"));
        }
 
        public override PropertyInfo[] GetProperties(BindingFlags bindingAttr)
        { 
            return m_typeBuilder.GetProperties(bindingAttr); 
        }
 
        public override Type[] GetNestedTypes(BindingFlags bindingAttr)
        {
            return m_typeBuilder.GetNestedTypes(bindingAttr);
        } 

        public override Type GetNestedType(String name, BindingFlags bindingAttr) 
        { 
            return m_typeBuilder.GetNestedType(name,bindingAttr);
        } 

        public override MemberInfo[] GetMember(String name,  MemberTypes type, BindingFlags bindingAttr)
        {
            return m_typeBuilder.GetMember(name, type, bindingAttr); 
        }
 
        public override MemberInfo[] GetMembers(BindingFlags bindingAttr) 
        {
            return m_typeBuilder.GetMembers(bindingAttr); 
        }

[System.Runtime.InteropServices.ComVisible(true)]
        public override InterfaceMapping GetInterfaceMap(Type interfaceType) 
 		{
            return m_typeBuilder.GetInterfaceMap(interfaceType); 
		} 

        public override EventInfo[] GetEvents(BindingFlags bindingAttr) 
		{
            return m_typeBuilder.GetEvents(bindingAttr);
		}
 
        protected override TypeAttributes GetAttributeFlagsImpl()
        { 
            return m_typeBuilder.m_iAttr; 
        }
 
        protected override bool IsArrayImpl()
        {
            return false;
        } 
        protected override bool IsPrimitiveImpl()
        { 
            return false; 
        }
 
        protected override bool IsValueTypeImpl()
        {
            return true;
        } 

        protected override bool IsByRefImpl() 
        { 
            return false;
        } 

        protected override bool IsPointerImpl()
        {
            return false; 
        }
 
        protected override bool IsCOMObjectImpl() 
        {
            return false; 
        }


        public override Type GetElementType() 
        {
            return m_typeBuilder.GetElementType(); 
        } 

        protected override bool HasElementTypeImpl() 
        {
            return m_typeBuilder.HasElementType;
        }
 
        public override Type UnderlyingSystemType {
            get { 
                return m_underlyingType; 
            }
        } 

        //ICustomAttributeProvider
        public override Object[] GetCustomAttributes(bool inherit)
        { 
            return m_typeBuilder.GetCustomAttributes(inherit);
        } 
 
        // Return a custom attribute identified by Type
        public override Object[] GetCustomAttributes(Type attributeType, bool inherit) 
        {
            return m_typeBuilder.GetCustomAttributes(attributeType, inherit);
        }
 
       // Use this function if client decides to form the custom attribute blob themselves
[System.Runtime.InteropServices.ComVisible(true)] 
        public void SetCustomAttribute(ConstructorInfo con, byte[] binaryAttribute) 
        {
             m_typeBuilder.SetCustomAttribute(con, binaryAttribute); 
        }

       // Use this function if client wishes to build CustomAttribute using CustomAttributeBuilder
        public void SetCustomAttribute(CustomAttributeBuilder customBuilder) 
        {
            m_typeBuilder.SetCustomAttribute(customBuilder); 
        } 

        // Return the class that declared this Field. 
        public override Type DeclaringType {
                get {return m_typeBuilder.DeclaringType;}
        }
 
        // Return the class that was used to obtain this field.
 
        public override Type ReflectedType { 
                get {return m_typeBuilder.ReflectedType;}
        } 


       // Returns true if one or more instance of attributeType is defined on this member.
        public override bool IsDefined (Type attributeType, bool inherit) 
        {
            return m_typeBuilder.IsDefined(attributeType, inherit); 
        } 

 
        internal override int MetadataTokenInternal { get { return m_typeBuilder.MetadataTokenInternal; } }

        /*
        public TypeToken TypeToken { 
            get { return m_typeBuilder.TypeToken; }
        } 
        */ 

        /***************************************************** 
         *
         * private/protected functions
         *
         */ 

        //******************************* 
    	// Make a private constructor so these cannot be constructed externally. 
        //*******************************
        private EnumBuilder() {} 

        public override Type MakePointerType()
        {
            return SymbolType.FormCompoundType("*".ToCharArray(), this, 0); 
        }
 
        public override Type MakeByRefType() 
        {
            return SymbolType.FormCompoundType("&".ToCharArray(), this, 0); 
        }

        public override Type MakeArrayType()
        { 
            return SymbolType.FormCompoundType("[]".ToCharArray(), this, 0);
        } 
 
        public override Type MakeArrayType(int rank)
        { 
            if (rank <= 0)
                throw new IndexOutOfRangeException();

            string szrank = ""; 
            if (rank == 1)
            { 
                szrank = "*"; 
            }
            else 
            {
                for(int i = 1; i < rank; i++)
                    szrank += ",";
            } 

            string s = String.Format(CultureInfo.InvariantCulture, "[{0}]", szrank); // [,,] 
            return SymbolType.FormCompoundType((s).ToCharArray(), this, 0); 
        }
 

        // Constructs a EnumBuilder.
        internal EnumBuilder(
            String      name,                       // name of type 
            Type        underlyingType,             // underlying type for an Enum
            TypeAttributes visibility,              // any bits on TypeAttributes.VisibilityMask) 
            Module      module)                     // module containing this type 
        {
            // Client should not set any bits other than the visibility bits. 
            if ((visibility & ~TypeAttributes.VisibilityMask) != 0)
                throw new ArgumentException(Environment.GetResourceString("Argument_ShouldOnlySetVisibilityFlags"), "name");
            m_typeBuilder = new TypeBuilder(name, visibility | TypeAttributes.Sealed, typeof(System.Enum), null, module, PackingSize.Unspecified, null);
            m_underlyingType = underlyingType; 

            // Define the underlying field for the enum. It will be a non-static, private field with special name bit set. 
 

            m_underlyingField = m_typeBuilder.DefineField("value__", underlyingType, FieldAttributes.Private| FieldAttributes.SpecialName); 
        }

        void _EnumBuilder.GetTypeInfoCount(out uint pcTInfo)
        { 
            throw new NotImplementedException();
        } 
 
        void _EnumBuilder.GetTypeInfo(uint iTInfo, uint lcid, IntPtr ppTInfo)
        { 
            throw new NotImplementedException();
        }

        void _EnumBuilder.GetIDsOfNames([In] ref Guid riid, IntPtr rgszNames, uint cNames, uint lcid, IntPtr rgDispId) 
        {
            throw new NotImplementedException(); 
        } 

        void _EnumBuilder.Invoke(uint dispIdMember, [In] ref Guid riid, uint lcid, short wFlags, IntPtr pDispParams, IntPtr pVarResult, IntPtr pExcepInfo, IntPtr puArgErr) 
        {
            throw new NotImplementedException();
        }
 

        /***************************************************** 
         * 
         * private data members
         * 
         */
        private Type            m_underlyingType;
        internal TypeBuilder    m_typeBuilder;
        private FieldBuilder    m_underlyingField; 
        internal Type           m_runtimeType = null;
    } 
}

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