Code:
/ DotNET / DotNET / 8.0 / untmp / whidbey / REDBITS / ndp / clr / src / BCL / System / Reflection / Emit / SymbolMethod.cs / 1 / SymbolMethod.cs
// ==++== // // Copyright (c) Microsoft Corporation. All rights reserved. // // ==--== namespace System.Reflection.Emit { using System.Runtime.InteropServices; using System; using System.Reflection; using CultureInfo = System.Globalization.CultureInfo; internal sealed class SymbolMethod : MethodInfo { #region Private Data Members private ModuleBuilder m_module; private Type m_containingType; private String m_name; private CallingConventions m_callingConvention; private Type m_returnType; private MethodToken m_mdMethod; private int m_tkMethod; private Type[] m_parameterTypes; private SignatureHelper m_signature; #endregion #region Constructor 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; m_tkMethod = token.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, m_parameterTypes, parameterTypes.Length); } else { m_parameterTypes = new Type[0]; } m_module = mod; m_containingType = arrayClass; m_name = methodName; m_callingConvention = callingConvention; m_signature = SignatureHelper.GetMethodSigHelper( mod, callingConvention, returnType, null, null, parameterTypes, null, null); } #endregion #region Internal Members internal override Type[] GetParameterTypes() { return m_parameterTypes; } internal MethodToken GetToken(ModuleBuilder mod) { return mod.GetArrayMethodToken(m_containingType, m_name, m_callingConvention, m_returnType, m_parameterTypes); } #endregion #region MemberInfo Overrides public override Module Module { get { return m_module; } } internal override int MetadataTokenInternal { get { return m_tkMethod; } } public override Type ReflectedType { get { return m_containingType as Type; } } public override String Name { get { return m_name; } } public override Type DeclaringType { get {return m_containingType;} } #endregion #region MethodBase Overrides public override ParameterInfo[] GetParameters() { throw new NotSupportedException(Environment.GetResourceString("NotSupported_SymbolMethod")); } public override MethodImplAttributes GetMethodImplementationFlags() { throw new NotSupportedException(Environment.GetResourceString("NotSupported_SymbolMethod")); } public override MethodAttributes Attributes { get { throw new NotSupportedException(Environment.GetResourceString("NotSupported_SymbolMethod")); } } public override CallingConventions CallingConvention { get { return m_callingConvention; } } public override RuntimeMethodHandle MethodHandle { get { throw new NotSupportedException(Environment.GetResourceString("NotSupported_SymbolMethod")); } } #endregion #region MethodInfo Overrides internal override Type GetReturnType() { return m_returnType; } public override ICustomAttributeProvider ReturnTypeCustomAttributes { get { return null; } } public override Object Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture) { throw new NotSupportedException(Environment.GetResourceString("NotSupported_SymbolMethod")); } public override MethodInfo GetBaseDefinition() { return this; } #endregion #region ICustomAttributeProvider Implementation public override Object[] GetCustomAttributes(bool inherit) { throw new NotSupportedException(Environment.GetResourceString("NotSupported_SymbolMethod")); } public override Object[] GetCustomAttributes(Type attributeType, bool inherit) { throw new NotSupportedException(Environment.GetResourceString("NotSupported_SymbolMethod")); } public override bool IsDefined(Type attributeType, bool inherit) { throw new NotSupportedException(Environment.GetResourceString("NotSupported_SymbolMethod")); } #endregion #region Public Members public Module GetModule() { return m_module; } public MethodToken GetToken() { return m_mdMethod; } #endregion } }
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