Modifiers.UNSAFE |
Modifiers.PRIVATE;
- public Delegate (NamespaceEntry ns, TypeContainer parent, Expression type,
+ public Delegate (NamespaceEntry ns, DeclSpace parent, Expression type,
int mod_flags, MemberName name, Parameters param_list,
Attributes attrs)
: base (ns, parent, name, attrs)
if (TypeManager.multicast_delegate_type == null && !RootContext.StdLib) {
Namespace system = RootNamespace.Global.GetNamespace ("System", true);
TypeExpr expr = system.Lookup (this, "MulticastDelegate", Location) as TypeExpr;
- TypeManager.multicast_delegate_type = expr.ResolveType (this);
+ TypeManager.multicast_delegate_type = expr.Type;
}
if (TypeManager.multicast_delegate_type == null)
public override bool Define ()
{
- MethodAttributes mattr;
- int i;
-
if (IsGeneric) {
foreach (TypeParameter type_param in TypeParameters)
type_param.DefineType (this);
const_arg_types [0] = TypeManager.object_type;
const_arg_types [1] = TypeManager.intptr_type;
- mattr = MethodAttributes.RTSpecialName | MethodAttributes.SpecialName |
+ const MethodAttributes ctor_mattr = MethodAttributes.RTSpecialName | MethodAttributes.SpecialName |
MethodAttributes.HideBySig | MethodAttributes.Public;
- ConstructorBuilder = TypeBuilder.DefineConstructor (mattr,
+ ConstructorBuilder = TypeBuilder.DefineConstructor (ctor_mattr,
CallingConventions.Standard,
const_arg_types);
ReturnType = ReturnType.ResolveAsTypeTerminal (this, false);
if (ReturnType == null)
return false;
-
- ret_type = ReturnType.Type;
- if (ret_type == null)
- return false;
-
- CheckObsoleteType (ReturnType);
+ ret_type = ReturnType.Type;
+
if (!Parent.AsAccessible (ret_type, ModFlags)) {
Report.Error (58, Location,
"Inconsistent accessibility: return type `" +
CallingConventions cc = Parameters.CallingConvention;
- mattr = MethodAttributes.Public | MethodAttributes.HideBySig | MethodAttributes.Virtual;
+ const MethodAttributes mattr = MethodAttributes.Public | MethodAttributes.HideBySig | MethodAttributes.Virtual | MethodAttributes.NewSlot;
InvokeBuilder = TypeBuilder.DefineMethod ("Invoke",
mattr,
cc,
ret_type,
Parameters.Types);
-
- //
- // Define parameters, and count out/ref parameters
- //
- int out_params = 0;
- foreach (Parameter p in Parameters.FixedParameters) {
- if ((p.ModFlags & Parameter.Modifier.ISBYREF) != 0)
- out_params++;
- }
InvokeBuilder.SetImplementationFlags (MethodImplAttributes.Runtime);
//
// BeginInvoke
//
- int params_num = Parameters.Count;
- Type [] async_param_types = new Type [params_num + 2];
-
- Parameters.Types.CopyTo (async_param_types, 0);
-
- async_param_types [params_num] = TypeManager.asynccallback_type;
- async_param_types [params_num + 1] = TypeManager.object_type;
-
- mattr = MethodAttributes.Public | MethodAttributes.HideBySig |
- MethodAttributes.Virtual | MethodAttributes.NewSlot;
- BeginInvokeBuilder = TypeBuilder.DefineMethod ("BeginInvoke",
- mattr,
- cc,
- TypeManager.iasyncresult_type,
- async_param_types);
-
- i = Parameters.Count;
- Parameters.ApplyAttributes (BeginInvokeBuilder);
- BeginInvokeBuilder.DefineParameter (i + 1, ParameterAttributes.None, "callback");
- BeginInvokeBuilder.DefineParameter (i + 2, ParameterAttributes.None, "object");
+ Parameters async_parameters = Parameters.MergeGenerated (Parameters,
+ new Parameter (TypeManager.asynccallback_type, "callback", Parameter.Modifier.NONE, null, Location),
+ new Parameter (TypeManager.object_type, "object", Parameter.Modifier.NONE, null, Location));
- BeginInvokeBuilder.SetImplementationFlags (MethodImplAttributes.Runtime);
+ BeginInvokeBuilder = TypeBuilder.DefineMethod ("BeginInvoke",
+ mattr, cc, TypeManager.iasyncresult_type, async_parameters.Types);
- Parameter [] async_params = new Parameter [params_num + 2];
- Parameters.FixedParameters.CopyTo (async_params, 0);
-
- async_params [params_num] = new Parameter (
- TypeManager.asynccallback_type, "callback",
- Parameter.Modifier.NONE, null, Location);
- async_params [params_num + 1] = new Parameter (
- TypeManager.object_type, "object",
- Parameter.Modifier.NONE, null, Location);
-
- Parameters async_parameters = new Parameters (async_params);
- async_parameters.Resolve (this);
+ BeginInvokeBuilder.SetImplementationFlags (MethodImplAttributes.Runtime);
async_parameters.ApplyAttributes (BeginInvokeBuilder);
-
TypeManager.RegisterMethod (BeginInvokeBuilder, async_parameters);
//
// EndInvoke is a bit more interesting, all the parameters labeled as
// out or ref have to be duplicated here.
//
-
- Type [] end_param_types = new Type [out_params + 1];
- Parameter [] end_params = new Parameter [out_params + 1];
- int param = 0;
- if (out_params > 0){
- int top = Parameters.FixedParameters.Length;
- for (i = 0; i < top; i++){
+
+ //
+ // Define parameters, and count out/ref parameters
+ //
+ Parameters 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.FixedParameters [i];
if ((p.ModFlags & Parameter.Modifier.ISBYREF) == 0)
continue;
- end_param_types [param] = Parameters.Types [i];
+ end_param_types [param] = p.ExternalType();
end_params [param] = p;
- param++;
+ ++param;
}
+ end_parameters = new Parameters (end_params, end_param_types);
+ }
+ else {
+ end_parameters = Parameters.EmptyReadOnlyParameters;
}
- end_param_types [out_params] = TypeManager.iasyncresult_type;
- end_params [out_params] = new Parameter (TypeManager.system_iasyncresult_expr, "result", Parameter.Modifier.NONE, null, Location);
+ end_parameters = Parameters.MergeGenerated (end_parameters,
+ new Parameter (TypeManager.iasyncresult_type, "result", Parameter.Modifier.NONE, null, Location));
+
//
// Create method, define parameters, register parameters with type system
//
- EndInvokeBuilder = TypeBuilder.DefineMethod ("EndInvoke", mattr, cc, ret_type, end_param_types);
+ EndInvokeBuilder = TypeBuilder.DefineMethod ("EndInvoke", mattr, cc, ret_type, end_parameters.Types);
EndInvokeBuilder.SetImplementationFlags (MethodImplAttributes.Runtime);
- //
- // EndInvoke: Label the parameters
- //
- EndInvokeBuilder.DefineParameter (out_params + 1, ParameterAttributes.None, "result");
- for (i = 0; i < end_params.Length-1; i++){
- EndInvokeBuilder.DefineParameter (i + 1, end_params [i].Attributes, end_params [i].Name);
- }
-
- Parameters end_parameters = new Parameters (end_params);
- end_parameters.Resolve (this);
-
+ end_parameters.ApplyAttributes (EndInvokeBuilder);
TypeManager.RegisterMethod (EndInvokeBuilder, end_parameters);
return true;
arg_count = args.Count;
Expression ml = Expression.MemberLookup (
- ec, delegate_type, "Invoke", loc);
+ ec.ContainerType, delegate_type, "Invoke", loc);
MethodGroupExpr me = ml as MethodGroupExpr;
if (me == null) {
/// Verifies whether the delegate in question is compatible with this one in
/// order to determine if instantiation from the same is possible.
/// </summary>
- public static bool VerifyDelegate (EmitContext ec, Type delegate_type, Type probe_type, Location loc)
+ public static bool VerifyDelegate (EmitContext ec, Type delegate_type, Location loc)
{
Expression ml = Expression.MemberLookup (
- ec, delegate_type, "Invoke", loc);
+ ec.ContainerType, delegate_type, "Invoke", loc);
if (!(ml is MethodGroupExpr)) {
Report.Error (-100, loc, "Internal error: could not find Invoke method!");
ParameterData pd = TypeManager.GetParameterData (mb);
Expression probe_ml = Expression.MemberLookup (
- ec, delegate_type, "Invoke", loc);
+ ec.ContainerType, delegate_type, "Invoke", loc);
if (!(probe_ml is MethodGroupExpr)) {
Report.Error (-100, loc, "Internal error: could not find Invoke method!");
protected MethodGroupExpr method_group;
protected Expression delegate_instance_expression;
- public DelegateCreation () {}
+ protected DelegateCreation () {}
public static void Error_NoMatchingMethodForDelegate (EmitContext ec, MethodGroupExpr mg, Type type, Location loc)
{
protected bool ResolveConstructorMethod (EmitContext ec)
{
Expression ml = Expression.MemberLookup (
- ec, type, ".ctor", loc);
+ ec.ContainerType, type, ".ctor", loc);
if (!(ml is MethodGroupExpr)) {
Report.Error (-100, loc, "Internal error: Could not find delegate constructor!");
return null;
}
- protected Expression ResolveMethodGroupExpr (EmitContext ec, MethodGroupExpr mg,
- bool check_only)
+ protected Expression ResolveMethodGroupExpr (EmitContext ec, MethodGroupExpr mg)
{
- foreach (MethodInfo mi in mg.Methods){
- delegate_method = Delegate.VerifyMethod (ec.ContainerType, type, mg, mi, loc);
-
- if (delegate_method != null)
- break;
- }
-
+ delegate_method = ImplicitStandardConversionExists (mg, type);
+
if (delegate_method == null) {
- if (!check_only)
- Error_NoMatchingMethodForDelegate (ec, mg, type, loc);
+ Error_NoMatchingMethodForDelegate (ec, mg, type, loc);
return null;
}
IMethodData md = TypeManager.GetMethod (delegate_method);
if (md == null) {
if (System.Attribute.GetCustomAttribute (delegate_method, TypeManager.conditional_attribute_type) != null) {
+ Report.SymbolRelatedToPreviousError (delegate_method);
Report.Error (1618, loc, "Cannot create delegate with `{0}' because it has a Conditional attribute", TypeManager.CSharpSignature (delegate_method));
+ return null;
}
} else {
md.SetMemberIsUsed ();
if (md.OptAttributes != null && md.OptAttributes.Search (TypeManager.conditional_attribute_type) != null) {
+ Report.SymbolRelatedToPreviousError (delegate_method);
Report.Error (1618, loc, "Cannot create delegate with `{0}' because it has a Conditional attribute", TypeManager.CSharpSignature (delegate_method));
+ return null;
}
}
}
static public Expression Create (EmitContext ec, MethodGroupExpr mge,
- Type target_type, bool check_only, Location loc)
+ Type target_type, Location loc)
{
ImplicitDelegateCreation d = new ImplicitDelegateCreation (target_type, loc);
- if (d.ResolveConstructorMethod (ec))
- return d.ResolveMethodGroupExpr (ec, mge, check_only);
- else
+ if (!d.ResolveConstructorMethod (ec))
return null;
+
+ return d.ResolveMethodGroupExpr (ec, mge);
}
}
Argument a = (Argument) Arguments [0];
- if (!a.ResolveMethodGroup (ec, loc))
+ if (!a.ResolveMethodGroup (ec))
return null;
Expression e = a.Expr;
if (e is AnonymousMethod && RootContext.Version != LanguageVersion.ISO_1)
- return ((AnonymousMethod) e).Compatible (ec, type, false);
+ return ((AnonymousMethod) e).Compatible (ec, type);
MethodGroupExpr mg = e as MethodGroupExpr;
if (mg != null)
- return ResolveMethodGroupExpr (ec, mg, false);
-
- Type e_type = e.Type;
+ return ResolveMethodGroupExpr (ec, mg);
- if (!TypeManager.IsDelegateType (e_type)) {
+ if (!TypeManager.IsDelegateType (e.Type)) {
Report.Error (149, loc, "Method name expected");
return null;
}
// This is what MS' compiler reports. We could always choose
// to be more verbose and actually give delegate-level specifics
- if (!Delegate.VerifyDelegate (ec, type, e_type, loc)) {
- Report.Error (29, loc, "Cannot implicitly convert type '" + e_type + "' " +
+ if (!Delegate.VerifyDelegate (ec, type, loc)) {
+ Report.Error (29, loc, "Cannot implicitly convert type '" + e.Type + "' " +
"to type '" + type + "'");
return null;
}
if (!Delegate.VerifyApplicability (ec, del_type, Arguments, loc))
return null;
- Expression lookup = Expression.MemberLookup (ec, del_type, "Invoke", loc);
+ Expression lookup = Expression.MemberLookup (ec.ContainerType, del_type, "Invoke", loc);
if (!(lookup is MethodGroupExpr)) {
Report.Error (-100, loc, "Internal error: could not find Invoke method!");
return null;