| public SetImplementationFlags ( System attributes ) : void | ||
| attributes | System | |
| return | void | |
static TypeBuilder DefineDelegate () {
TypeBuilder typeBuilder = module.DefineType( "MyDelegate",
TypeAttributes.Public | TypeAttributes.Class | TypeAttributes.Sealed,
typeof (object) );
args = typeBuilder.DefineGenericParameters ("TIn", "TOut");
delegate_ctor = typeBuilder.DefineConstructor(
MethodAttributes.Public | MethodAttributes.HideBySig |
MethodAttributes.RTSpecialName | MethodAttributes.SpecialName,
CallingConventions.Standard,
new Type[] { typeof(Object), typeof (IntPtr) } );
delegate_ctor.SetImplementationFlags( MethodImplAttributes.Runtime | MethodImplAttributes.Managed );
invoke_mb = typeBuilder.DefineMethod(
"Invoke",
MethodAttributes.Public | MethodAttributes.Virtual | MethodAttributes.HideBySig,
args [1],
new Type[] { args [0] } );
invoke_mb.SetImplementationFlags( MethodImplAttributes.Runtime | MethodImplAttributes.Managed );
MethodBuilder mb = typeBuilder.DefineMethod(
"BeginInvoke",
MethodAttributes.Public | MethodAttributes.Virtual | MethodAttributes.HideBySig,
typeof (IAsyncResult),
new Type[] { args [0], typeof (AsyncCallback), typeof (object) } );
mb.SetImplementationFlags( MethodImplAttributes.Runtime | MethodImplAttributes.Managed );
mb = typeBuilder.DefineMethod(
"EndInvoke",
MethodAttributes.Public | MethodAttributes.Virtual | MethodAttributes.HideBySig,
args [1],
new Type[] { typeof (IAsyncResult) } );
mb.SetImplementationFlags( MethodImplAttributes.Runtime | MethodImplAttributes.Managed );
return typeBuilder;
}
public void SetImplementationFlags(MethodImplAttributes attributes)
{
m_methodBuilder.SetImplementationFlags(attributes);
}
public override bool Define ()
{
if (IsGeneric) {
foreach (TypeParameter type_param in TypeParameters) {
if (!type_param.Resolve (this))
return false;
}
foreach (TypeParameter type_param in TypeParameters) {
if (!type_param.DefineType (this))
return false;
}
}
member_cache = new MemberCache (TypeManager.multicast_delegate_type, this);
// FIXME: POSSIBLY make this static, as it is always constant
//
Type [] const_arg_types = new Type [2];
const_arg_types [0] = TypeManager.object_type;
const_arg_types [1] = TypeManager.intptr_type;
const MethodAttributes ctor_mattr = MethodAttributes.RTSpecialName | MethodAttributes.SpecialName |
MethodAttributes.HideBySig | MethodAttributes.Public;
ConstructorBuilder = TypeBuilder.DefineConstructor (ctor_mattr,
CallingConventions.Standard,
const_arg_types);
ConstructorBuilder.DefineParameter (1, ParameterAttributes.None, "object");
ConstructorBuilder.DefineParameter (2, ParameterAttributes.None, "method");
//
// HACK because System.Reflection.Emit is lame
//
IParameterData [] fixed_pars = new IParameterData [] {
new ParameterData ("object", Parameter.Modifier.NONE),
new ParameterData ("method", Parameter.Modifier.NONE)
};
AParametersCollection const_parameters = new ParametersImported (
fixed_pars,
new Type[] { TypeManager.object_type, TypeManager.intptr_type });
TypeManager.RegisterMethod (ConstructorBuilder, const_parameters);
member_cache.AddMember (ConstructorBuilder, this);
ConstructorBuilder.SetImplementationFlags (MethodImplAttributes.Runtime);
//
// Here the various methods like Invoke, BeginInvoke etc are defined
//
// First, call the `out of band' special method for
// defining recursively any types we need:
if (!Parameters.Resolve (this))
return false;
//
// Invoke method
//
// Check accessibility
foreach (Type partype in Parameters.Types){
if (!IsAccessibleAs (partype)) {
Report.SymbolRelatedToPreviousError (partype);
Report.Error (59, Location,
"Inconsistent accessibility: parameter type `{0}' is less accessible than delegate `{1}'",
TypeManager.CSharpName (partype),
GetSignatureForError ());
return false;
}
}
ReturnType = ReturnType.ResolveAsTypeTerminal (this, false);
if (ReturnType == null)
return false;
ret_type = ReturnType.Type;
if (!IsAccessibleAs (ret_type)) {
Report.SymbolRelatedToPreviousError (ret_type);
Report.Error (58, Location,
"Inconsistent accessibility: return type `" +
TypeManager.CSharpName (ret_type) + "' is less " +
"accessible than delegate `" + GetSignatureForError () + "'");
return false;
}
CheckProtectedModifier ();
if (RootContext.StdLib && TypeManager.IsSpecialType (ret_type)) {
Method.Error1599 (Location, ret_type, Report);
return false;
}
TypeManager.CheckTypeVariance (ret_type, Variance.Covariant, this);
//
// We don't have to check any others because they are all
// guaranteed to be accessible - they are standard types.
//
CallingConventions cc = Parameters.CallingConvention;
InvokeBuilder = TypeBuilder.DefineMethod ("Invoke",
mattr,
cc,
ret_type,
Parameters.GetEmitTypes ());
InvokeBuilder.SetImplementationFlags (MethodImplAttributes.Runtime);
TypeManager.RegisterMethod (InvokeBuilder, Parameters);
member_cache.AddMember (InvokeBuilder, this);
//
// Don't emit async method for compiler generated delegates (e.g. dynamic site containers)
//
if (TypeManager.iasyncresult_type != null && TypeManager.asynccallback_type != null && !IsCompilerGenerated) {
DefineAsyncMethods (cc);
}
return true;
}
void DefineAsyncMethods (CallingConventions cc)
{
//
// BeginInvoke
//
ParametersCompiled async_parameters = ParametersCompiled.MergeGenerated (Parameters, false,
new Parameter [] {
new Parameter (null, "callback", Parameter.Modifier.NONE, null, Location),
new Parameter (null, "object", Parameter.Modifier.NONE, null, Location)
},
new Type [] {
TypeManager.asynccallback_type,
TypeManager.object_type
}
);
BeginInvokeBuilder = TypeBuilder.DefineMethod ("BeginInvoke",
mattr, cc, TypeManager.iasyncresult_type, async_parameters.GetEmitTypes ());
BeginInvokeBuilder.SetImplementationFlags (MethodImplAttributes.Runtime);
TypeManager.RegisterMethod (BeginInvokeBuilder, async_parameters);
member_cache.AddMember (BeginInvokeBuilder, this);
//
// EndInvoke is a bit more interesting, all the parameters labeled as
// out or ref have to be duplicated here.
//
//
// Define parameters, and count out/ref parameters
//
ParametersCompiled end_parameters;
int out_params = 0;
foreach (Parameter p in Parameters.FixedParameters) {
if ((p.ModFlags & Parameter.Modifier.ISBYREF) != 0)
++out_params;
}
if (out_params > 0) {
Type [] end_param_types = new Type [out_params];
Parameter[] end_params = new Parameter [out_params];
int param = 0;
for (int i = 0; i < Parameters.FixedParameters.Length; ++i) {
Parameter p = Parameters [i];
if ((p.ModFlags & Parameter.Modifier.ISBYREF) == 0)
continue;
end_param_types [param] = Parameters.Types [i];
end_params [param] = p;
++param;
}
end_parameters = ParametersCompiled.CreateFullyResolved (end_params, end_param_types);
} else {
end_parameters = ParametersCompiled.EmptyReadOnlyParameters;
}
end_parameters = ParametersCompiled.MergeGenerated (end_parameters, false,
new Parameter (null, "result", Parameter.Modifier.NONE, null, Location), TypeManager.iasyncresult_type);
//
// Create method, define parameters, register parameters with type system
//
EndInvokeBuilder = TypeBuilder.DefineMethod ("EndInvoke", mattr, cc, ret_type, end_parameters.GetEmitTypes ());
EndInvokeBuilder.SetImplementationFlags (MethodImplAttributes.Runtime);
end_parameters.ApplyAttributes (EndInvokeBuilder);
TypeManager.RegisterMethod (EndInvokeBuilder, end_parameters);
member_cache.AddMember (EndInvokeBuilder, this);
}
