using System;
using System.Globalization;
using System.Reflection;
-
-#if NET_2_0
+using System.Text;
namespace System.Reflection.Emit
{
internal class MethodOnTypeBuilderInst : MethodInfo
{
#region Keep in sync with object-internals.h
- MonoGenericClass instantiation;
- internal MethodBuilder mb;
+ Type instantiation;
+ MethodInfo base_method; /*This is the base method definition, it must be non-inflated and belong to a non-inflated type.*/
+ Type[] method_arguments;
#endregion
+ MethodInfo generic_method_definition;
+ int is_compiler_context = -1;
- public MethodOnTypeBuilderInst (MonoGenericClass instantiation, MethodBuilder mb)
+ public MethodOnTypeBuilderInst (MonoGenericClass instantiation, MethodInfo base_method)
{
this.instantiation = instantiation;
- this.mb = mb;
+ this.base_method = base_method;
+ }
+
+ internal MethodOnTypeBuilderInst (MethodOnTypeBuilderInst gmd, Type[] typeArguments)
+ {
+ this.instantiation = gmd.instantiation;
+ this.base_method = gmd.base_method;
+ this.method_arguments = new Type [typeArguments.Length];
+ typeArguments.CopyTo (this.method_arguments, 0);
+ this.generic_method_definition = gmd;
+ }
+
+ internal MethodOnTypeBuilderInst (MethodInfo method, Type[] typeArguments)
+ {
+ this.instantiation = method.DeclaringType;
+ this.base_method = ExtractBaseMethod (method);
+ this.method_arguments = new Type [typeArguments.Length];
+ typeArguments.CopyTo (this.method_arguments, 0);
+ if (base_method != method)
+ this.generic_method_definition = method;
+ }
+
+ static MethodInfo ExtractBaseMethod (MethodInfo info)
+ {
+ if (info is MethodBuilder)
+ return info;
+ if (info is MethodOnTypeBuilderInst)
+ return ((MethodOnTypeBuilderInst)info).base_method;
+
+ if (info.IsGenericMethod)
+ info = info.GetGenericMethodDefinition ();
+
+ Type t = info.DeclaringType;
+ if (!t.IsGenericType || t.IsGenericTypeDefinition)
+ return info;
+
+ return (MethodInfo)t.Module.ResolveMethod (info.MetadataToken);
+ }
+
+ internal Type[] GetTypeArgs ()
+ {
+ if (!instantiation.IsGenericType || instantiation.IsGenericParameter)
+ return null;
+
+ return instantiation.GetGenericArguments ();
+ }
+
+ internal bool IsCompilerContext {
+ get {
+ if (is_compiler_context == -1) {
+ bool is_cc = false;
+ is_cc |= instantiation.IsCompilerContext;
+ if (!is_cc && method_arguments != null) {
+ foreach (Type t in method_arguments)
+ is_cc |= t.IsCompilerContext;
+ }
+ is_compiler_context = is_cc ? 1 : 0;
+ }
+ return is_compiler_context == 1;
+ }
}
//
public override string Name {
get {
- return mb.Name;
+ return base_method.Name;
}
}
public override Type ReturnType {
get {
- if (!((ModuleBuilder)mb.Module).assemblyb.IsCompilerContext)
- return mb.ReturnType;
- return instantiation.InflateType (mb.ReturnType);
+ if (!IsCompilerContext)
+ return base_method.ReturnType;
+ return MonoGenericClass.InflateType (base_method.ReturnType, GetTypeArgs (), method_arguments);
}
}
public override bool IsDefined (Type attributeType, bool inherit)
{
- throw new NotSupportedException ();
+ if (!IsCompilerContext)
+ throw new NotSupportedException ();
+ return base_method.IsDefined (attributeType, inherit);
}
public override object [] GetCustomAttributes (bool inherit)
{
- throw new NotSupportedException ();
+ if (!IsCompilerContext)
+ throw new NotSupportedException ();
+ return base_method.GetCustomAttributes (inherit);
}
public override object [] GetCustomAttributes (Type attributeType, bool inherit)
{
- throw new NotSupportedException ();
+ if (!IsCompilerContext)
+ throw new NotSupportedException ();
+ return base_method.GetCustomAttributes (attributeType, inherit);
}
+ public override string ToString ()
+ {
+ //IEnumerable`1 get_Item(TKey)
+ StringBuilder sb = new StringBuilder (ReturnType.ToString ());
+ sb.Append (" ");
+ sb.Append (base_method.Name);
+ sb.Append ("(");
+ if (IsCompilerContext) {
+ ParameterInfo [] par = GetParameters ();
+ for (int i = 0; i < par.Length; ++i) {
+ if (i > 0)
+ sb.Append (", ");
+ sb.Append (par [i].ParameterType);
+ }
+ }
+ sb.Append (")");
+ return sb.ToString ();
+ }
//
// MethodBase members
//
public override MethodImplAttributes GetMethodImplementationFlags ()
{
- return mb.GetMethodImplementationFlags ();
+ return base_method.GetMethodImplementationFlags ();
}
public override ParameterInfo [] GetParameters ()
{
- if (!((ModuleBuilder)mb.Module).assemblyb.IsCompilerContext)
+ ParameterInfo [] res = null;
+ if (!IsCompilerContext)
throw new NotSupportedException ();
- ParameterInfo [] res = new ParameterInfo [mb.parameters.Length];
- for (int i = 0; i < mb.parameters.Length; i++) {
- Type type = instantiation.InflateType (mb.parameters [i]);
- res [i] = new ParameterInfo (mb.pinfo == null ? null : mb.pinfo [i + 1], type, this, i + 1);
+ if (base_method is MethodBuilder) {
+ MethodBuilder mb = (MethodBuilder)base_method;
+ res = new ParameterInfo [mb.parameters.Length];
+ for (int i = 0; i < mb.parameters.Length; i++) {
+ Type type = MonoGenericClass.InflateType (mb.parameters [i], GetTypeArgs (), method_arguments);
+ res [i] = new ParameterInfo (mb.pinfo == null ? null : mb.pinfo [i + 1], type, this, i + 1);
+ }
+ } else {
+ ParameterInfo[] base_params = base_method.GetParameters ();
+ res = new ParameterInfo [base_params.Length];
+ for (int i = 0; i < base_params.Length; i++) {
+ Type type = MonoGenericClass.InflateType (base_params [i].ParameterType, GetTypeArgs (), method_arguments);
+ res [i] = new ParameterInfo (base_params [i], type, this, i + 1);
+ }
}
return res;
}
public override int MetadataToken {
get {
- if (!((ModuleBuilder)mb.Module).assemblyb.IsCompilerContext)
+ if (!IsCompilerContext)
return base.MetadataToken;
- return mb.MetadataToken;
+ return base_method.MetadataToken;
}
}
internal override int GetParameterCount ()
{
- return mb.GetParameterCount ();
+ return base_method.GetParameterCount ();
}
public override Object Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)
public override MethodAttributes Attributes {
get {
- return mb.Attributes;
+ return base_method.Attributes;
}
}
public override CallingConventions CallingConvention {
get {
- return mb.CallingConvention;
+ return base_method.CallingConvention;
}
}
+ public override MethodInfo MakeGenericMethod (params Type [] methodInstantiation)
+ {
+ if (!base_method.IsGenericMethodDefinition || (method_arguments != null && !IsCompilerContext))
+ throw new InvalidOperationException ("Method is not a generic method definition");
+
+ if (methodInstantiation == null)
+ throw new ArgumentNullException ("methodInstantiation");
+
+ if (base_method.GetGenericArguments ().Length != methodInstantiation.Length)
+ throw new ArgumentException ("Incorrect length", "methodInstantiation");
+
+ foreach (Type type in methodInstantiation) {
+ if (type == null)
+ throw new ArgumentNullException ("methodInstantiation");
+ }
+
+ return new MethodOnTypeBuilderInst (this, methodInstantiation);
+ }
+
public override Type [] GetGenericArguments ()
{
- //FIXME test that once we support generic methods
- return mb.GetGenericArguments ();
+ if (!base_method.IsGenericMethodDefinition)
+ return null;
+ Type[] source = method_arguments ?? base_method.GetGenericArguments ();
+ Type[] result = new Type [source.Length];
+ source.CopyTo (result, 0);
+ return result;
}
public override MethodInfo GetGenericMethodDefinition ()
{
- return mb;
+ return generic_method_definition ?? base_method;
}
public override bool ContainsGenericParameters {
get {
- throw new NotSupportedException ();
+ if (!base_method.IsGenericMethodDefinition)
+ throw new NotSupportedException ();
+ if (method_arguments == null)
+ return true;
+ foreach (Type t in method_arguments) {
+ if (t.ContainsGenericParameters)
+ return true;
+ }
+ return false;
}
}
public override bool IsGenericMethodDefinition {
get {
- //FIXME test that once we support generic methods
- return mb.IsGenericMethodDefinition;
+ return base_method.IsGenericMethodDefinition && method_arguments == null;
}
}
public override bool IsGenericMethod {
get {
- //FIXME test that once we support generic methods
- return mb.IsGenericMethod;
+ return base_method.IsGenericMethodDefinition;
}
}
}
}
-#endif