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static private Make ( Type returnType, Type delegateType, System.Runtime.CompilerServices.CallSiteBinder binder, |
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| returnType | Type | |
| delegateType | Type | |
| binder | System.Runtime.CompilerServices.CallSiteBinder | |
| arg0 | ||
| Результат | ||
/// <summary>
/// Creates a <see cref="DynamicExpression" /> that represents a dynamic operation bound by the provided <see cref="CallSiteBinder" />.
/// </summary>
/// <param name="binder">The runtime binder for the dynamic operation.</param>
/// <param name="returnType">The result type of the dynamic expression.</param>
/// <param name="arg0">The first argument to the dynamic operation.</param>
/// <param name="arg1">The second argument to the dynamic operation.</param>
/// <param name="arg2">The third argument to the dynamic operation.</param>
/// <returns>
/// A <see cref="DynamicExpression" /> that has <see cref="NodeType" /> equal to
/// <see cref="ExpressionType.Dynamic">Dynamic</see> and has the
/// <see cref="DynamicExpression.Binder">Binder</see> and
/// <see cref="DynamicExpression.Arguments">Arguments</see> set to the specified values.
/// </returns>
/// <remarks>
/// The <see cref="DynamicExpression.DelegateType">DelegateType</see> property of the
/// result will be inferred from the types of the arguments and the specified return type.
/// </remarks>
public static DynamicExpression Dynamic(CallSiteBinder binder, Type returnType, Expression arg0, Expression arg1, Expression arg2)
{
ContractUtils.RequiresNotNull(binder, nameof(binder));
ValidateDynamicArgument(arg0, nameof(arg0));
ValidateDynamicArgument(arg1, nameof(arg1));
ValidateDynamicArgument(arg2, nameof(arg2));
DelegateHelpers.TypeInfo info = DelegateHelpers.GetNextTypeInfo(
returnType,
DelegateHelpers.GetNextTypeInfo(
arg2.Type,
DelegateHelpers.GetNextTypeInfo(
arg1.Type,
DelegateHelpers.GetNextTypeInfo(
arg0.Type,
DelegateHelpers.NextTypeInfo(typeof(CallSite))
)
)
)
);
Type delegateType = info.DelegateType;
if (delegateType == null)
{
delegateType = info.MakeDelegateType(returnType, arg0, arg1, arg2);
}
return(DynamicExpression.Make(returnType, delegateType, binder, arg0, arg1, arg2));
}
public static DynamicExpression MakeDynamic(Type delegateType, CallSiteBinder binder, IEnumerable <Expression> arguments)
{
ContractUtils.RequiresNotNull(delegateType, "delegateType");
ContractUtils.RequiresNotNull(binder, "binder");
ContractUtils.Requires(delegateType.IsSubclassOf(typeof(Delegate)), "delegateType", Strings.TypeMustBeDerivedFromSystemDelegate);
var method = GetValidMethodForDynamic(delegateType);
var args = arguments.ToReadOnly();
ValidateArgumentTypes(method, ExpressionType.Dynamic, ref args);
return(DynamicExpression.Make(method.GetReturnType(), delegateType, binder, args));
}
/// <summary>
/// Creates a <see cref="DynamicExpression" /> that represents a dynamic operation bound by the provided <see cref="CallSiteBinder" /> and one argument.
/// </summary>
/// <param name="delegateType">The type of the delegate used by the <see cref="CallSite" />.</param>
/// <param name="binder">The runtime binder for the dynamic operation.</param>
/// <param name="arg0">The argument to the dynamic operation.</param>
/// <returns>
/// A <see cref="DynamicExpression" /> that has <see cref="NodeType" /> equal to
/// <see cref="ExpressionType.Dynamic">Dynamic</see> and has the
/// <see cref="DynamicExpression.DelegateType">DelegateType</see>,
/// <see cref="DynamicExpression.Binder">Binder</see>, and
/// <see cref="DynamicExpression.Arguments">Arguments</see> set to the specified values.
/// </returns>
public static DynamicExpression MakeDynamic(Type delegateType, CallSiteBinder binder, Expression arg0)
{
ContractUtils.RequiresNotNull(delegateType, nameof(delegateType));
ContractUtils.RequiresNotNull(binder, nameof(binder));
if (!delegateType.IsSubclassOf(typeof(MulticastDelegate)))
{
throw Error.TypeMustBeDerivedFromSystemDelegate();
}
var method = GetValidMethodForDynamic(delegateType);
var parameters = method.GetParametersCached();
ValidateArgumentCount(method, ExpressionType.Dynamic, 2, parameters);
ValidateDynamicArgument(arg0, nameof(arg0));
ValidateOneArgument(method, ExpressionType.Dynamic, arg0, parameters[1], nameof(delegateType), nameof(arg0));
return(DynamicExpression.Make(method.GetReturnType(), delegateType, binder, arg0));
}
