|
public FallbackCreateInstance ( |
||
| target | The target of the dynamic create operation. | |
| args | The arguments of the dynamic create operation. | |
| return | ||
public override DynamicMetaObject BindCreateInstance(CreateInstanceBinder binder, DynamicMetaObject[] args)
{
var constructors = ReflType.GetConstructors();
var ctors = constructors.Where(c => c.GetParameters().Length == args.Length);
var res = new List<ConstructorInfo>();
foreach (var c in ctors)
{
if (RuntimeHelpers.ParametersMatchArguments(c.GetParameters(), args))
{
res.Add(c);
}
}
if (res.Count == 0)
{
// Binders won't know what to do with TypeModels, so pass the
// RuntimeType they represent. The binder might not be Sympl's.
return binder.FallbackCreateInstance(
RuntimeHelpers.GetRuntimeTypeMoFromModel(this),
args);
}
// For create instance of a TypeModel, we can create a instance
// restriction on the MO, hence the true arg.
var restrictions = RuntimeHelpers.GetTargetArgsRestrictions(this, args, true);
var ctorArgs = RuntimeHelpers.ConvertArguments(args, res[0].GetParameters());
return new DynamicMetaObject(
// Creating an object, so don't need EnsureObjectResult.
Expression.New(res[0], ctorArgs),
restrictions);
}
public override DynamicMetaObject BindCreateInstance(CreateInstanceBinder binder, DynamicMetaObject[] args)
{
Fallback fallback = null;
if (!this.IsOverridden("TryCreateInstance"))
{
return(base.BindCreateInstance(binder, args));
}
if (fallback == null)
{
fallback = e => binder.FallbackCreateInstance(this, args, e);
}
return(this.CallMethodWithResult("TryCreateInstance", binder, GetArgArray(args), fallback));
}
/// <summary>
/// Performs the binding of the dynamic create instance operation.
/// </summary>
/// <param name="binder">An instance of the <see cref="CreateInstanceBinder"/> that represents the details of the dynamic operation.</param>
/// <param name="args">An array of <see cref="DynamicMetaObject"/> instances - arguments to the create instance operation.</param>
/// <returns>The new <see cref="DynamicMetaObject"/> representing the result of the binding.</returns>
public virtual DynamicMetaObject BindCreateInstance(CreateInstanceBinder binder, DynamicMetaObject[] args)
{
ContractUtils.RequiresNotNull(binder, "binder");
return(binder.FallbackCreateInstance(this, args));
}
public override DynamicMetaObject BindCreateInstance(CreateInstanceBinder binder, DynamicMetaObject[] args) {
if (IsOverridden("TryCreateInstance")) {
return CallMethodWithResult("TryCreateInstance", binder, DynamicMetaObject.GetExpressions(args), (e) => binder.FallbackCreateInstance(this, args, e));
}
return base.BindCreateInstance(binder, args);
}
public override DynamicMetaObject BindCreateInstance(CreateInstanceBinder binder, DynamicMetaObject[] args)
{
if (IsOverridden("TryCreateInstance"))
{
return(CallMethodWithResult("TryCreateInstance", binder, DynamicMetaObject.GetExpressions(args), (e) => binder.FallbackCreateInstance(this, args, e)));
}
return(base.BindCreateInstance(binder, args));
}
/// <summary>
/// Performs the binding of the dynamic create instance operation.
/// </summary>
/// <param name="binder">An instance of the <see cref="CreateInstanceBinder"/> that represents the details of the dynamic operation.</param>
/// <param name="args">An array of <see cref="DynamicMetaObject"/> instances - arguments to the create instance operation.</param>
/// <returns>The new <see cref="DynamicMetaObject"/> representing the result of the binding.</returns>
public virtual DynamicMetaObject BindCreateInstance(CreateInstanceBinder binder, DynamicMetaObject[] args) {
ContractUtils.RequiresNotNull(binder, "binder");
return binder.FallbackCreateInstance(this, args);
}
/// <summary>
/// Performs the binding of the dynamic create instance operation.
/// </summary>
/// <param name="binder">An instance of the <see cref="CreateInstanceBinder"/> that represents the details of the dynamic operation.</param>
/// <param name="args">An array of <see cref="DynamicMetaObject"/> instances - arguments to the create instance operation.</param>
/// <returns>The new <see cref="DynamicMetaObject"/> representing the result of the binding.</returns>
public virtual DynamicMetaObject BindCreateInstance(CreateInstanceBinder binder, DynamicMetaObject[] args)
{
ArgumentNullException.ThrowIfNull(binder);
return(binder.FallbackCreateInstance(this, args));
}
public override DynamicMetaObject BindCreateInstance(CreateInstanceBinder binder, DynamicMetaObject[] args)
{
Fallback fallback = null;
if (!this.IsOverridden("TryCreateInstance"))
{
return base.BindCreateInstance(binder, args);
}
if (fallback == null)
{
fallback = e => binder.FallbackCreateInstance(this, args, e);
}
return this.CallMethodWithResult("TryCreateInstance", binder, GetArgArray(args), fallback);
}
/// <summary>
/// Performs the binding of the dynamic create instance operation.
/// </summary>
/// <param name="binder">
/// An instance of the <see cref="T:System.Dynamic.CreateInstanceBinder" /> that represents the details of the dynamic operation.
/// </param>
/// <param name="args">
/// An array of <see cref="T:System.Dynamic.DynamicMetaObject" /> instances - arguments to the create instance operation.
/// </param>
/// <returns>
/// The new <see cref="T:System.Dynamic.DynamicMetaObject" /> representing the result of the binding.
/// </returns>
public override DynamicMetaObject BindCreateInstance( CreateInstanceBinder binder, DynamicMetaObject[] args )
{
return ApplyBinding( meta => meta.BindCreateInstance( binder, args ),
( target, errorSuggestion ) =>
binder.FallbackCreateInstance( target, args, errorSuggestion ) );
}
public override DynamicMetaObject BindCreateInstance( CreateInstanceBinder binder, DynamicMetaObject[] args )
{
return binder.FallbackCreateInstance( _baseMetaObject,
args,
AddTypeRestrictions( _metaObject.BindCreateInstance( binder, args ) ) );
}
