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C# DynamicMetaObjectBinder.SupportsLightThrow方法代码示例

本文整理汇总了C#中DynamicMetaObjectBinder.SupportsLightThrow方法的典型用法代码示例。如果您正苦于以下问题:C# DynamicMetaObjectBinder.SupportsLightThrow方法的具体用法?C# DynamicMetaObjectBinder.SupportsLightThrow怎么用?C# DynamicMetaObjectBinder.SupportsLightThrow使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在DynamicMetaObjectBinder的用法示例。


在下文中一共展示了DynamicMetaObjectBinder.SupportsLightThrow方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。

示例1: InvokeWorker

        private DynamicMetaObject InvokeWorker(DynamicMetaObjectBinder/*!*/ callAction, DynamicMetaObject/*!*/[] args) {
            PerfTrack.NoteEvent(PerfTrack.Categories.Binding, "Method Invoke " + args.Length);
            PerfTrack.NoteEvent(PerfTrack.Categories.BindingTarget, "Method");

            CallSignature signature = BindingHelpers.GetCallSignature(callAction);
            DynamicMetaObject self = Restrict(typeof(Method));
            BindingRestrictions restrictions = self.Restrictions;

            DynamicMetaObject func = GetMetaFunction(self);
            DynamicMetaObject call;

            if (Value.im_self == null) {
                // restrict to null self (Method is immutable so this is an invariant test)
                restrictions = restrictions.Merge(
                    BindingRestrictions.GetExpressionRestriction(
                        Ast.Equal(
                            GetSelfExpression(self),
                            AstUtils.Constant(null)
                        )
                    )
                );

                if (args.Length == 0) {
                    // this is an error, we pass null which will throw the normal error
                    call = new DynamicMetaObject(
                        Ast.Call(
                            typeof(PythonOps).GetMethod("MethodCheckSelf"),
                            PythonContext.GetCodeContext(callAction),
                            self.Expression,
                            AstUtils.Constant(null)
                        ),
                        restrictions
                    );
                } else {
                    // this may or may not be an error
                    call = new DynamicMetaObject(
                        Ast.Block(
                            MakeCheckSelf(callAction, signature, args),
                            Ast.Dynamic(
                                PythonContext.GetPythonContext(callAction).Invoke(
                                    BindingHelpers.GetCallSignature(callAction)
                                ).GetLightExceptionBinder(callAction.SupportsLightThrow()),
                                typeof(object),
                                ArrayUtils.Insert(PythonContext.GetCodeContext(callAction), DynamicUtils.GetExpressions(ArrayUtils.Insert(func, args)))
                            )
                        ),
                        BindingRestrictions.Empty
                    );
                    /*call = func.Invoke(callAction, ArrayUtils.Insert(func, args));
                    call =  new MetaObject(
                        Ast.Comma(
                            Ast.Call(
                                typeof(PythonOps).GetMethod("MethodCheckSelf"),
                                self.Expression,
                                args[0].Expression
                            ),
                            call.Expression
                        ),
                        call.Restrictions                        
                    );*/
                }
            } else {
                // restrict to non-null self (Method is immutable so this is an invariant test)
                restrictions = restrictions.Merge(
                    BindingRestrictions.GetExpressionRestriction(
                        Ast.NotEqual(
                            GetSelfExpression(self),
                            AstUtils.Constant(null)
                        )
                    )
                );

                DynamicMetaObject im_self = GetMetaSelf(self);
                DynamicMetaObject[] newArgs = ArrayUtils.Insert(func, im_self, args);
                CallSignature newSig = new CallSignature(ArrayUtils.Insert(new Argument(ArgumentType.Simple), signature.GetArgumentInfos()));


                call = new DynamicMetaObject(
                    Ast.Dynamic(
                        PythonContext.GetPythonContext(callAction).Invoke(
                            newSig
                        ).GetLightExceptionBinder(callAction.SupportsLightThrow()),
                        typeof(object),
                        ArrayUtils.Insert(PythonContext.GetCodeContext(callAction), DynamicUtils.GetExpressions(newArgs))
                    ),
                    BindingRestrictions.Empty
                );

                /*
                call = func.Invoke(
                    new CallBinder(
                        PythonContext.GetBinderState(callAction),
                        newSig
                    ),
                    newArgs
                );*/
            }

            if (call.HasValue) {
                return new DynamicMetaObject(
//.........这里部分代码省略.........
开发者ID:jschementi,项目名称:iron,代码行数:101,代码来源:MetaMethod.cs


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