private DynamicMetaObject InvokeFallback(DynamicMetaObjectBinder action, Expression codeContext, DynamicMetaObject /*!*/[] args) { InvokeBinder ib = action as InvokeBinder; if (ib != null) { if (_baseMetaObject != null) { return(_baseMetaObject.BindInvoke(ib, args)); } return(ib.FallbackInvoke(this.Restrict(this.GetLimitType()), args)); } PythonInvokeBinder pib = action as PythonInvokeBinder; if (pib != null) { IPythonInvokable ipi = _baseMetaObject as IPythonInvokable; if (ipi != null) { return(ipi.Invoke(pib, codeContext, this, args)); } if (_baseMetaObject != null) { return(pib.InvokeForeignObject(this, args)); } return(pib.Fallback(codeContext, this, args)); } // unreachable, we always have one of these binders throw new InvalidOperationException(); }
/// <summary> /// Helper to do fallback for Invoke's so we can handle both StandardAction and Python's /// InvokeBinder. /// </summary> internal static DynamicMetaObject /*!*/ InvokeFallback(DynamicMetaObjectBinder /*!*/ action, Expression codeContext, DynamicMetaObject target, DynamicMetaObject /*!*/[] /*!*/ args) { InvokeBinder act = action as InvokeBinder; if (act != null) { return(act.FallbackInvoke(target, args)); } PythonInvokeBinder invoke = action as PythonInvokeBinder; if (invoke != null) { return(invoke.Fallback(codeContext, target, args)); } // unreachable, we always have one of these binders throw new InvalidOperationException(); }