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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