Code:
/ DotNET / DotNET / 8.0 / untmp / whidbey / REDBITS / ndp / clr / src / BCL / System / Reflection / Emit / PropertyBuilder.cs / 1 / PropertyBuilder.cs
// ==++== // // Copyright (c) Microsoft Corporation. All rights reserved. // // ==--== /*============================================================ ** ** Class: PropertyBuilder ** ** ** Propertybuilder is for client to define properties for a class ** ** ===========================================================*/ namespace System.Reflection.Emit { using System; using System.Reflection; using CultureInfo = System.Globalization.CultureInfo; using System.Security.Permissions; using System.Runtime.InteropServices; // // A PropertyBuilder is always associated with a TypeBuilder. The TypeBuilder.DefineProperty // method will return a new PropertyBuilder to a client. // [HostProtection(MayLeakOnAbort = true)] [ClassInterface(ClassInterfaceType.None)] [ComDefaultInterface(typeof(_PropertyBuilder))] [System.Runtime.InteropServices.ComVisible(true)] public sealed class PropertyBuilder : PropertyInfo, _PropertyBuilder { // Make a private constructor so these cannot be constructed externally. private PropertyBuilder() {} // Constructs a PropertyBuilder. // internal PropertyBuilder( Module mod, // the module containing this PropertyBuilder String name, // property name SignatureHelper sig, // property signature descriptor info PropertyAttributes attr, // property attribute such as DefaultProperty, Bindable, DisplayBind, etc Type returnType, // return type of the property. PropertyToken prToken, // the metadata token for this property TypeBuilder containingType) // the containing type { if (name == null) throw new ArgumentNullException("name"); if (name.Length == 0) throw new ArgumentException(Environment.GetResourceString("Argument_EmptyName"), "name"); if (name[0] == '\0') throw new ArgumentException(Environment.GetResourceString("Argument_IllegalName"), "name"); m_name = name; m_module = mod; m_signature = sig; m_attributes = attr; m_returnType = returnType; m_prToken = prToken; m_tkProperty = prToken.Token; m_getMethod = null; m_setMethod = null; m_containingType = containingType; } //************************************************ // Set the default value of the Property //************************************************ public void SetConstant(Object defaultValue) { m_containingType.ThrowIfCreated(); TypeBuilder.SetConstantValue( m_module, m_prToken.Token, m_returnType, defaultValue); } // Return the Token for this property within the TypeBuilder that the // property is defined within. public PropertyToken PropertyToken { get {return m_prToken;} } internal override int MetadataTokenInternal { get { return m_tkProperty; } } public override Module Module { get { return m_containingType.Module; } } public void SetGetMethod(MethodBuilder mdBuilder) { if (mdBuilder == null) { throw new ArgumentNullException("mdBuilder"); } m_containingType.ThrowIfCreated(); TypeBuilder.InternalDefineMethodSemantics( m_module, m_prToken.Token, MethodSemanticsAttributes.Getter, mdBuilder.GetToken().Token); m_getMethod = mdBuilder; } public void SetSetMethod(MethodBuilder mdBuilder) { if (mdBuilder == null) { throw new ArgumentNullException("mdBuilder"); } m_containingType.ThrowIfCreated(); TypeBuilder.InternalDefineMethodSemantics( m_module, m_prToken.Token, MethodSemanticsAttributes.Setter, mdBuilder.GetToken().Token); m_setMethod = mdBuilder; } public void AddOtherMethod(MethodBuilder mdBuilder) { if (mdBuilder == null) { throw new ArgumentNullException("mdBuilder"); } m_containingType.ThrowIfCreated(); TypeBuilder.InternalDefineMethodSemantics( m_module, m_prToken.Token, MethodSemanticsAttributes.Other, mdBuilder.GetToken().Token); } // 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) { if (con == null) throw new ArgumentNullException("con"); if (binaryAttribute == null) throw new ArgumentNullException("binaryAttribute"); m_containingType.ThrowIfCreated(); TypeBuilder.InternalCreateCustomAttribute( m_prToken.Token, ((ModuleBuilder )m_module).GetConstructorToken(con).Token, binaryAttribute, m_module, false); } // Use this function if client wishes to build CustomAttribute using CustomAttributeBuilder public void SetCustomAttribute(CustomAttributeBuilder customBuilder) { if (customBuilder == null) { throw new ArgumentNullException("customBuilder"); } m_containingType.ThrowIfCreated(); customBuilder.CreateCustomAttribute((ModuleBuilder)m_module, m_prToken.Token); } // Not supported functions in dynamic module. public override Object GetValue(Object obj,Object[] index) { throw new NotSupportedException(Environment.GetResourceString("NotSupported_DynamicModule")); } public override Object GetValue(Object obj,BindingFlags invokeAttr,Binder binder,Object[] index,CultureInfo culture) { throw new NotSupportedException(Environment.GetResourceString("NotSupported_DynamicModule")); } public override void SetValue(Object obj,Object value,Object[] index) { throw new NotSupportedException(Environment.GetResourceString("NotSupported_DynamicModule")); } public override void SetValue(Object obj,Object value,BindingFlags invokeAttr,Binder binder,Object[] index,CultureInfo culture) { throw new NotSupportedException(Environment.GetResourceString("NotSupported_DynamicModule")); } public override MethodInfo[] GetAccessors(bool nonPublic) { throw new NotSupportedException(Environment.GetResourceString("NotSupported_DynamicModule")); } public override MethodInfo GetGetMethod(bool nonPublic) { if (nonPublic || m_getMethod == null) return m_getMethod; // now check to see if m_getMethod is public if ((m_getMethod.Attributes & MethodAttributes.Public) == MethodAttributes.Public) return m_getMethod; return null; } public override MethodInfo GetSetMethod(bool nonPublic) { if (nonPublic || m_setMethod == null) return m_setMethod; // now check to see if m_setMethod is public if ((m_setMethod.Attributes & MethodAttributes.Public) == MethodAttributes.Public) return m_setMethod; return null; } public override ParameterInfo[] GetIndexParameters() { throw new NotSupportedException(Environment.GetResourceString("NotSupported_DynamicModule")); } public override Type PropertyType { get { return m_returnType; } } public override PropertyAttributes Attributes { get { return m_attributes;} } public override bool CanRead { get { if (m_getMethod != null) return true; else return false; } } public override bool CanWrite { get { if (m_setMethod != null) return true; else return false; } } public override Object[] GetCustomAttributes(bool inherit) { throw new NotSupportedException(Environment.GetResourceString("NotSupported_DynamicModule")); } public override Object[] GetCustomAttributes(Type attributeType, bool inherit) { throw new NotSupportedException(Environment.GetResourceString("NotSupported_DynamicModule")); } public override bool IsDefined (Type attributeType, bool inherit) { throw new NotSupportedException(Environment.GetResourceString("NotSupported_DynamicModule")); } void _PropertyBuilder.GetTypeInfoCount(out uint pcTInfo) { throw new NotImplementedException(); } void _PropertyBuilder.GetTypeInfo(uint iTInfo, uint lcid, IntPtr ppTInfo) { throw new NotImplementedException(); } void _PropertyBuilder.GetIDsOfNames([In] ref Guid riid, IntPtr rgszNames, uint cNames, uint lcid, IntPtr rgDispId) { throw new NotImplementedException(); } void _PropertyBuilder.Invoke(uint dispIdMember, [In] ref Guid riid, uint lcid, short wFlags, IntPtr pDispParams, IntPtr pVarResult, IntPtr pExcepInfo, IntPtr puArgErr) { throw new NotImplementedException(); } public override String Name { get { return m_name; } } public override Type DeclaringType { get { return m_containingType; } } public override Type ReflectedType { get { return m_containingType; } } // These are package private so that TypeBuilder can access them. private String m_name; // The name of the property private PropertyToken m_prToken; // The token of this property private int m_tkProperty; private Module m_module; private SignatureHelper m_signature; private PropertyAttributes m_attributes; // property's attribute flags private Type m_returnType; // property's return type private MethodInfo m_getMethod; private MethodInfo m_setMethod; private TypeBuilder m_containingType; } }
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