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The Labs \ Source Viewer \ SSCLI \ System.Reflection.Emit \ EnumBuilder

SSCLI

// ==++==
//
//
//
// The use and distribution terms for this software are contained in the file
// named license.txt, which can be found in the root of this distribution.
// By using this software in any fashion, you are agreeing to be bound by the
// terms of this license.
//
// You must not remove this notice, or any other, from this software.
//
//
// ==--==
/*============================================================
**
** 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)]
public sealed 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.
// name of type
// underlying type for an Enum
// any bits on TypeAttributes.VisibilityMask)
// module containing this type
internal EnumBuilder(string name, Type underlyingType, TypeAttributes visibility, Module module)
{
// 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;
}
}