451 lines
12 KiB
C#
451 lines
12 KiB
C#
//
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// System.Reflection.Emit.ConstructorBuilder.cs
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//
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// Author:
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// Paolo Molaro (lupus@ximian.com)
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//
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// (C) 2001 Ximian, Inc. http://www.ximian.com
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//
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//
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// Copyright (C) 2004 Novell, Inc (http://www.novell.com)
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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#if MONO_FEATURE_SRE
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using System;
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using System.Collections.Generic;
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using System.Reflection;
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using System.Reflection.Emit;
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using System.Globalization;
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using System.Security;
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using System.Security.Permissions;
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using System.Runtime.InteropServices;
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using System.Diagnostics.SymbolStore;
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namespace System.Reflection.Emit {
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#if !MOBILE
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[ComVisible (true)]
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[ComDefaultInterface (typeof (_ConstructorBuilder))]
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[ClassInterface (ClassInterfaceType.None)]
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partial class ConstructorBuilder : _ConstructorBuilder
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{
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void _ConstructorBuilder.GetIDsOfNames ([In] ref Guid riid, IntPtr rgszNames, uint cNames, uint lcid, IntPtr rgDispId)
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{
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throw new NotImplementedException ();
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}
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void _ConstructorBuilder.GetTypeInfo (uint iTInfo, uint lcid, IntPtr ppTInfo)
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{
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throw new NotImplementedException ();
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}
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void _ConstructorBuilder.GetTypeInfoCount (out uint pcTInfo)
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{
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throw new NotImplementedException ();
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}
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void _ConstructorBuilder.Invoke (uint dispIdMember, [In] ref Guid riid, uint lcid, short wFlags, IntPtr pDispParams, IntPtr pVarResult, IntPtr pExcepInfo, IntPtr puArgErr)
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{
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throw new NotImplementedException ();
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}
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}
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#endif
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[StructLayout (LayoutKind.Sequential)]
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public sealed partial class ConstructorBuilder : ConstructorInfo {
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#pragma warning disable 169, 414
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private RuntimeMethodHandle mhandle;
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private ILGenerator ilgen;
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internal Type[] parameters;
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private MethodAttributes attrs;
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private MethodImplAttributes iattrs;
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private int table_idx;
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private CallingConventions call_conv;
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private TypeBuilder type;
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internal ParameterBuilder[] pinfo;
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private CustomAttributeBuilder[] cattrs;
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private bool init_locals = true;
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private Type[][] paramModReq;
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private Type[][] paramModOpt;
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private RefEmitPermissionSet[] permissions;
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#pragma warning restore 169, 414
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internal ConstructorBuilder (TypeBuilder tb, MethodAttributes attributes, CallingConventions callingConvention, Type[] parameterTypes, Type[][] paramModReq, Type[][] paramModOpt)
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{
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attrs = attributes | MethodAttributes.SpecialName | MethodAttributes.RTSpecialName;
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call_conv = callingConvention;
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if (parameterTypes != null) {
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for (int i = 0; i < parameterTypes.Length; ++i)
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if (parameterTypes [i] == null)
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throw new ArgumentException ("Elements of the parameterTypes array cannot be null", "parameterTypes");
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this.parameters = new Type [parameterTypes.Length];
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System.Array.Copy (parameterTypes, this.parameters, parameterTypes.Length);
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}
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type = tb;
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this.paramModReq = paramModReq;
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this.paramModOpt = paramModOpt;
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table_idx = get_next_table_index (this, 0x06, 1);
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((ModuleBuilder) tb.Module).RegisterToken (this, GetToken ().Token);
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}
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[MonoTODO]
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public override CallingConventions CallingConvention {
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get {
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return call_conv;
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}
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}
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public bool InitLocals {
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get {
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return init_locals;
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}
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set {
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init_locals = value;
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}
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}
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internal TypeBuilder TypeBuilder {
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get {
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return type;
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}
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}
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public override MethodImplAttributes GetMethodImplementationFlags ()
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{
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return iattrs;
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}
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public override ParameterInfo[] GetParameters ()
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{
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if (!type.is_created)
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throw not_created ();
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return GetParametersInternal ();
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}
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internal override ParameterInfo [] GetParametersInternal ()
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{
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if (parameters == null)
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return EmptyArray<ParameterInfo>.Value;
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ParameterInfo [] retval = new ParameterInfo [parameters.Length];
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for (int i = 0; i < parameters.Length; i++)
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retval [i] = RuntimeParameterInfo.New (pinfo?[i + 1], parameters [i], this, i + 1);
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return retval;
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}
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internal override int GetParametersCount ()
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{
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if (parameters == null)
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return 0;
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return parameters.Length;
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}
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internal override Type GetParameterType (int pos) {
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return parameters [pos];
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}
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internal MethodBase RuntimeResolve () {
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return type.RuntimeResolve ().GetConstructor (this);
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}
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public override Object Invoke (Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)
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{
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throw not_supported ();
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}
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public override object Invoke (BindingFlags invokeAttr, Binder binder, object[] parameters, CultureInfo culture)
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{
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throw not_supported ();
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}
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public override RuntimeMethodHandle MethodHandle {
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get {
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throw not_supported ();
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}
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}
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public override MethodAttributes Attributes {
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get {
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return attrs;
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}
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}
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public override Type ReflectedType {
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get {
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return type;
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}
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}
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public override Type DeclaringType {
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get {
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return type;
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}
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}
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[Obsolete]
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public Type ReturnType {
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get {
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return null;
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}
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}
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public override string Name {
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get {
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return (attrs & MethodAttributes.Static) != 0 ? ConstructorInfo.TypeConstructorName : ConstructorInfo.ConstructorName;
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}
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}
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public string Signature {
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get {
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return "constructor signature";
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}
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}
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public void AddDeclarativeSecurity (SecurityAction action, PermissionSet pset)
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{
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#if !MOBILE
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if (pset == null)
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throw new ArgumentNullException ("pset");
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if ((action == SecurityAction.RequestMinimum) ||
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(action == SecurityAction.RequestOptional) ||
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(action == SecurityAction.RequestRefuse))
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throw new ArgumentOutOfRangeException ("action", "Request* values are not permitted");
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RejectIfCreated ();
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if (permissions != null) {
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/* Check duplicate actions */
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foreach (RefEmitPermissionSet set in permissions)
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if (set.action == action)
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throw new InvalidOperationException ("Multiple permission sets specified with the same SecurityAction.");
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RefEmitPermissionSet[] new_array = new RefEmitPermissionSet [permissions.Length + 1];
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permissions.CopyTo (new_array, 0);
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permissions = new_array;
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}
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else
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permissions = new RefEmitPermissionSet [1];
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permissions [permissions.Length - 1] = new RefEmitPermissionSet (action, pset.ToXml ().ToString ());
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attrs |= MethodAttributes.HasSecurity;
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#endif
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}
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public ParameterBuilder DefineParameter (int iSequence, ParameterAttributes attributes, string strParamName)
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{
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// The 0th ParameterBuilder does not correspond to an
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// actual parameter, but .NETFramework lets you define
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// it anyway. It is not useful.
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if (iSequence < 0 || iSequence > GetParametersCount ())
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throw new ArgumentOutOfRangeException ("iSequence");
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if (type.is_created)
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throw not_after_created ();
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ParameterBuilder pb = new ParameterBuilder (this, iSequence, attributes, strParamName);
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if (pinfo == null)
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pinfo = new ParameterBuilder [parameters.Length + 1];
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pinfo [iSequence] = pb;
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return pb;
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}
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public override bool IsDefined (Type attributeType, bool inherit)
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{
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throw not_supported ();
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}
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public override object [] GetCustomAttributes (bool inherit)
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{
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throw not_supported ();
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}
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public override object [] GetCustomAttributes (Type attributeType, bool inherit)
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{
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throw not_supported ();
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}
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public ILGenerator GetILGenerator ()
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{
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return GetILGenerator (64);
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}
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public ILGenerator GetILGenerator (int streamSize)
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{
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if (ilgen != null)
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return ilgen;
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ilgen = new ILGenerator (type.Module, ((ModuleBuilder)type.Module).GetTokenGenerator (), streamSize);
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return ilgen;
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}
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public void SetMethodBody (byte[] il, int maxStack, byte[] localSignature,
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IEnumerable<ExceptionHandler> exceptionHandlers, IEnumerable<int> tokenFixups)
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{
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var ilgen = GetILGenerator ();
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ilgen.Init (il, maxStack, localSignature, exceptionHandlers, tokenFixups);
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}
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public void SetCustomAttribute (CustomAttributeBuilder customBuilder)
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{
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if (customBuilder == null)
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throw new ArgumentNullException ("customBuilder");
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string attrname = customBuilder.Ctor.ReflectedType.FullName;
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if (attrname == "System.Runtime.CompilerServices.MethodImplAttribute") {
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byte[] data = customBuilder.Data;
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int impla; // the (stupid) ctor takes a short or an int ...
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impla = (int)data [2];
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impla |= ((int)data [3]) << 8;
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SetImplementationFlags ((MethodImplAttributes)impla);
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return;
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}
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if (cattrs != null) {
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CustomAttributeBuilder[] new_array = new CustomAttributeBuilder [cattrs.Length + 1];
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cattrs.CopyTo (new_array, 0);
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new_array [cattrs.Length] = customBuilder;
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cattrs = new_array;
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} else {
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cattrs = new CustomAttributeBuilder [1];
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cattrs [0] = customBuilder;
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}
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}
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[ComVisible (true)]
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public void SetCustomAttribute (ConstructorInfo con, byte[] binaryAttribute)
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{
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if (con == null)
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throw new ArgumentNullException ("con");
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if (binaryAttribute == null)
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throw new ArgumentNullException ("binaryAttribute");
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SetCustomAttribute (new CustomAttributeBuilder (con, binaryAttribute));
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}
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public void SetImplementationFlags (MethodImplAttributes attributes)
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{
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if (type.is_created)
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throw not_after_created ();
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iattrs = attributes;
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}
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public Module GetModule ()
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{
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return type.Module;
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}
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public MethodToken GetToken ()
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{
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return new MethodToken (0x06000000 | table_idx);
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}
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[MonoTODO]
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public void SetSymCustomAttribute (string name, byte[] data)
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{
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if (type.is_created)
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throw not_after_created ();
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}
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public override Module Module {
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get {
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return GetModule ();
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}
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}
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public override string ToString ()
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{
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return "ConstructorBuilder ['" + type.Name + "']";
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}
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internal void fixup ()
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{
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if (((attrs & (MethodAttributes.Abstract | MethodAttributes.PinvokeImpl)) == 0) && ((iattrs & (MethodImplAttributes.Runtime | MethodImplAttributes.InternalCall)) == 0)) {
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if ((ilgen == null) || (ilgen.ILOffset == 0))
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throw new InvalidOperationException ("Method '" + Name + "' does not have a method body.");
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}
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if (ilgen != null)
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ilgen.label_fixup (this);
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}
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internal void ResolveUserTypes () {
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TypeBuilder.ResolveUserTypes (parameters);
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if (paramModReq != null) {
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foreach (var types in paramModReq)
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TypeBuilder.ResolveUserTypes (types);
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}
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if (paramModOpt != null) {
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foreach (var types in paramModOpt)
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TypeBuilder.ResolveUserTypes (types);
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}
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}
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internal void FixupTokens (Dictionary<int, int> token_map, Dictionary<int, MemberInfo> member_map) {
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if (ilgen != null)
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ilgen.FixupTokens (token_map, member_map);
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}
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internal void GenerateDebugInfo (ISymbolWriter symbolWriter)
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{
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if (ilgen != null && ilgen.HasDebugInfo) {
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SymbolToken token = new SymbolToken (GetToken().Token);
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symbolWriter.OpenMethod (token);
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symbolWriter.SetSymAttribute (token, "__name", System.Text.Encoding.UTF8.GetBytes (Name));
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ilgen.GenerateDebugInfo (symbolWriter);
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symbolWriter.CloseMethod ();
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}
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}
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internal override int get_next_table_index (object obj, int table, int count)
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{
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return type.get_next_table_index (obj, table, count);
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}
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private void RejectIfCreated ()
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{
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if (type.is_created)
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throw new InvalidOperationException ("Type definition of the method is complete.");
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}
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private Exception not_supported ()
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{
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return new NotSupportedException ("The invoked member is not supported in a dynamic module.");
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}
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private Exception not_after_created ()
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{
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return new InvalidOperationException ("Unable to change after type has been created.");
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}
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private Exception not_created ()
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{
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return new NotSupportedException ("The type is not yet created.");
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}
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}
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}
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#endif
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