// // Creates a proxy base method call inside this container for hoisted base member calls // public MethodSpec CreateHoistedBaseCallProxy (ResolveContext rc, MethodSpec method) { Method proxy_method; // // One proxy per base method is enough // if (hoisted_base_call_proxies == null) { hoisted_base_call_proxies = new Dictionary<MethodSpec, Method> (); proxy_method = null; } else { hoisted_base_call_proxies.TryGetValue (method, out proxy_method); } if (proxy_method == null) { string name = CompilerGeneratedContainer.MakeName (method.Name, null, "BaseCallProxy", hoisted_base_call_proxies.Count); MemberName member_name; TypeArguments targs = null; TypeSpec return_type = method.ReturnType; var local_param_types = method.Parameters.Types; if (method.IsGeneric) { // // Copy all base generic method type parameters info // var hoisted_tparams = method.GenericDefinition.TypeParameters; var tparams = new TypeParameters (); targs = new TypeArguments (); targs.Arguments = new TypeSpec[hoisted_tparams.Length]; for (int i = 0; i < hoisted_tparams.Length; ++i) { var tp = hoisted_tparams[i]; var local_tp = new TypeParameter (tp, null, new MemberName (tp.Name, Location), null); tparams.Add (local_tp); targs.Add (new SimpleName (tp.Name, Location)); targs.Arguments[i] = local_tp.Type; } member_name = new MemberName (name, tparams, Location); // // Mutate any method type parameters from original // to newly created hoisted version // var mutator = new TypeParameterMutator (hoisted_tparams, tparams); return_type = mutator.Mutate (return_type); local_param_types = mutator.Mutate (local_param_types); } else { member_name = new MemberName (name); } var base_parameters = new Parameter[method.Parameters.Count]; for (int i = 0; i < base_parameters.Length; ++i) { var base_param = method.Parameters.FixedParameters[i]; base_parameters[i] = new Parameter (new TypeExpression (local_param_types [i], Location), base_param.Name, base_param.ModFlags, null, Location); base_parameters[i].Resolve (this, i); } var cloned_params = ParametersCompiled.CreateFullyResolved (base_parameters, method.Parameters.Types); if (method.Parameters.HasArglist) { cloned_params.FixedParameters[0] = new Parameter (null, "__arglist", Parameter.Modifier.NONE, null, Location); cloned_params.Types[0] = Module.PredefinedTypes.RuntimeArgumentHandle.Resolve (); } // Compiler generated proxy proxy_method = new Method (this, new TypeExpression (return_type, Location), Modifiers.PRIVATE | Modifiers.COMPILER_GENERATED | Modifiers.DEBUGGER_HIDDEN, member_name, cloned_params, null); var block = new ToplevelBlock (Compiler, proxy_method.ParameterInfo, Location) { IsCompilerGenerated = true }; var mg = MethodGroupExpr.CreatePredefined (method, method.DeclaringType, Location); mg.InstanceExpression = new BaseThis (method.DeclaringType, Location); if (targs != null) mg.SetTypeArguments (rc, targs); // Get all the method parameters and pass them as arguments var real_base_call = new Invocation (mg, block.GetAllParametersArguments ()); Statement statement; if (method.ReturnType.Kind == MemberKind.Void) statement = new StatementExpression (real_base_call); else statement = new Return (real_base_call, Location); block.AddStatement (statement); proxy_method.Block = block; members.Add (proxy_method); proxy_method.Define (); proxy_method.PrepareEmit (); hoisted_base_call_proxies.Add (method, proxy_method); } return proxy_method.Spec; }
// // Creates a proxy base method call inside this container for hoisted base member calls // public MethodSpec CreateHoistedBaseCallProxy (ResolveContext rc, MethodSpec method) { Method proxy_method; // // One proxy per base method is enough // if (hoisted_base_call_proxies == null) { hoisted_base_call_proxies = new Dictionary<MethodSpec, Method> (); proxy_method = null; } else { hoisted_base_call_proxies.TryGetValue (method, out proxy_method); } if (proxy_method == null) { string name = CompilerGeneratedClass.MakeName (method.Name, null, "BaseCallProxy", hoisted_base_call_proxies.Count); var base_parameters = new Parameter[method.Parameters.Count]; for (int i = 0; i < base_parameters.Length; ++i) { var base_param = method.Parameters.FixedParameters[i]; base_parameters[i] = new Parameter (new TypeExpression (method.Parameters.Types[i], Location), base_param.Name, base_param.ModFlags, null, Location); base_parameters[i].Resolve (this, i); } var cloned_params = ParametersCompiled.CreateFullyResolved (base_parameters, method.Parameters.Types); if (method.Parameters.HasArglist) { cloned_params.FixedParameters[0] = new Parameter (null, "__arglist", Parameter.Modifier.NONE, null, Location); cloned_params.Types[0] = Module.PredefinedTypes.RuntimeArgumentHandle.Resolve (Location); } GenericMethod generic_method; MemberName member_name; if (method.IsGeneric) { // // Copy all base generic method type parameters info // var hoisted_tparams = method.GenericDefinition.TypeParameters; var targs = new TypeArguments (); var type_params = new TypeParameter[hoisted_tparams.Length]; for (int i = 0; i < type_params.Length; ++i) { var tp = hoisted_tparams[i]; targs.Add (new TypeParameterName (tp.Name, null, Location)); type_params[i] = new TypeParameter (tp, this, null, new MemberName (tp.Name), null); } member_name = new MemberName (name, targs, Location); generic_method = new GenericMethod (NamespaceEntry, this, member_name, type_params, new TypeExpression (method.ReturnType, Location), cloned_params); } else { member_name = new MemberName (name); generic_method = null; } // Compiler generated proxy proxy_method = new Method (this, generic_method, new TypeExpression (method.ReturnType, Location), Modifiers.PRIVATE | Modifiers.COMPILER_GENERATED | Modifiers.DEBUGGER_HIDDEN, member_name, cloned_params, null); var block = new ToplevelBlock (Compiler, proxy_method.ParameterInfo, Location); var mg = MethodGroupExpr.CreatePredefined (method, method.DeclaringType, Location); mg.InstanceExpression = new BaseThis (method.DeclaringType, Location); // Get all the method parameters and pass them as arguments var real_base_call = new Invocation (mg, block.GetAllParametersArguments ()); Statement statement; if (method.ReturnType == TypeManager.void_type) statement = new StatementExpression (real_base_call); else statement = new Return (real_base_call, Location); block.AddStatement (statement); proxy_method.Block = block; methods.Add (proxy_method); proxy_method.Define (); hoisted_base_call_proxies.Add (method, proxy_method); } return proxy_method.Spec; }