本文整理汇总了C#中DynamicMetaObjectBinder.Throw方法的典型用法代码示例。如果您正苦于以下问题：C# DynamicMetaObjectBinder.Throw方法的具体用法？C# DynamicMetaObjectBinder.Throw怎么用？C# DynamicMetaObjectBinder.Throw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类DynamicMetaObjectBinder的用法示例。
在下文中一共展示了DynamicMetaObjectBinder.Throw方法的10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: TypeError
/// <summary>
/// Produces an error message for the provided message and type names. The error message should contain
/// string formatting characters ({0}, {1}, etc...) for each of the type names.
/// </summary>
public static DynamicMetaObject/*!*/ TypeError(DynamicMetaObjectBinder/*!*/ action, string message, params DynamicMetaObject[] types) {
if (action is IPythonSite) {
message = String.Format(message, ArrayUtils.ConvertAll(types, x => MetaPythonObject.GetPythonType(x).Name));
Expression error = action.Throw(
Ast.Call(
typeof(PythonOps).GetMethod("SimpleTypeError"),
Ast.Constant(message)
),
typeof(object)
);
return new DynamicMetaObject(
error,
BindingRestrictions.Combine(types)
);
}
return GenericFallback(action, types);
}示例2: CompleteRuleTarget
public override DynamicMetaObject/*!*/ CompleteRuleTarget(DynamicMetaObjectBinder/*!*/ metaBinder, DynamicMetaObject/*!*/[]/*!*/ args, Func<DynamicMetaObject> customFailure) {
ConditionalBuilder cb = new ConditionalBuilder();
_slot.MakeGetExpression(
Binder,
AstUtils.Constant(PythonContext.SharedContext),
args[0],
new DynamicMetaObject(
Ast.Call(
typeof(DynamicHelpers).GetMethod("GetPythonType"),
AstUtils.Convert(args[0].Expression, typeof(object))
),
BindingRestrictions.Empty,
DynamicHelpers.GetPythonType(args[0].Value)
),
cb
);
if (!cb.IsFinal) {
cb.FinishCondition(metaBinder.Throw(Ast.New(typeof(InvalidOperationException))));
}
Expression callable = cb.GetMetaObject().Expression;
Expression[] exprArgs = new Expression[args.Length - 1];
for (int i = 1; i < args.Length; i++) {
exprArgs[i - 1] = args[i].Expression;
}
Expression retVal = DynamicExpression.Dynamic(
PythonContext.Invoke(
new CallSignature(exprArgs.Length)
),
typeof(object),
ArrayUtils.Insert(AstUtils.Constant(PythonContext.SharedContext), (Expression)callable, exprArgs)
);
if (IsSetter) {
retVal = Ast.Block(retVal, args[args.Length - 1].Expression);
}
return new DynamicMetaObject(
retVal,
BindingRestrictions.Combine(args)
);
}示例3: MakeBinaryThrow
private static DynamicMetaObject/*!*/ MakeBinaryThrow(DynamicMetaObjectBinder/*!*/ action, PythonOperationKind op, DynamicMetaObject/*!*/[]/*!*/ args) {
if (action is IPythonSite) {
// produce the custom Python error message
return new DynamicMetaObject(
action.Throw(
Ast.Call(
typeof(PythonOps).GetMethod("TypeErrorForBinaryOp"),
AstUtils.Constant(Symbols.OperatorToSymbol(NormalizeOperator(op))),
AstUtils.Convert(args[0].Expression, typeof(object)),
AstUtils.Convert(args[1].Expression, typeof(object))
),
typeof(object)
),
BindingRestrictions.Combine(args)
);
}
// let the site produce its own error
return GenericFallback(action, args);
}示例4: MakeGenericTypeDefinitionError
private DynamicMetaObject/*!*/ MakeGenericTypeDefinitionError(DynamicMetaObjectBinder/*!*/ call, ArgumentValues/*!*/ ai, ValidationInfo/*!*/ valInfo) {
Debug.Assert(Value.IsSystemType);
string message = "cannot create instances of " + Value.Name + " because it is a generic type definition";
return BindingHelpers.AddDynamicTestAndDefer(
call,
new DynamicMetaObject(
call.Throw(
Ast.New(
typeof(TypeErrorException).GetConstructor(new Type[] { typeof(string) }),
AstUtils.Constant(message)
),
typeof(object)
),
GetErrorRestrictions(ai)
),
ai.Arguments,
valInfo
);
}示例5: TypeError
public static DynamicMetaObject TypeError(DynamicMetaObjectBinder action, string message, params DynamicMetaObject[] types)
{
if (action is ITotemSite)
{
message = string.Format(message, ArrayUtils.ConvertAll(types, x => MetaTotemObject.GetTotemType(x).Name));
Expression error = action.Throw(
Expression.Call(
typeof(TotemOps).GetMethod("SimpleTypeError"),
Expression.Constant(message)
),
typeof(object)
);
return new DynamicMetaObject(
error,
BindingRestrictions.Combine(types)
);
}
return GenericFallback(action, types);
}示例6: MakeIncorrectArgumentsForCallError
private DynamicMetaObject/*!*/ MakeIncorrectArgumentsForCallError(DynamicMetaObjectBinder/*!*/ call, ArgumentValues/*!*/ ai, ValidationInfo/*!*/ valInfo) {
string message;
if (Value.IsSystemType) {
if (Value.UnderlyingSystemType.GetConstructors().Length == 0) {
// this is a type we can't create ANY instances of, give the user a half-way decent error message
message = "cannot create instances of " + Value.Name;
} else {
message = InstanceOps.ObjectNewNoParameters;
}
} else {
message = InstanceOps.ObjectNewNoParameters;
}
return BindingHelpers.AddDynamicTestAndDefer(
call,
new DynamicMetaObject(
call.Throw(
Ast.New(
typeof(TypeErrorException).GetConstructor(new Type[] { typeof(string) }),
AstUtils.Constant(message)
)
),
GetErrorRestrictions(ai)
),
ai.Arguments,
valInfo
);
}示例7: MakeStandardDotNetTypeCall
/// <summary>
/// Creating a standard .NET type is easy - we just call it's constructor with the provided
/// arguments.
/// </summary>
private DynamicMetaObject/*!*/ MakeStandardDotNetTypeCall(DynamicMetaObjectBinder/*!*/ call, Expression/*!*/ codeContext, DynamicMetaObject/*!*/[]/*!*/ args) {
CallSignature signature = BindingHelpers.GetCallSignature(call);
PythonContext state = PythonContext.GetPythonContext(call);
MethodBase[] ctors = CompilerHelpers.GetConstructors(Value.UnderlyingSystemType, state.Binder.PrivateBinding);
if (ctors.Length > 0) {
return state.Binder.CallMethod(
new PythonOverloadResolver(
state.Binder,
args,
signature,
codeContext
),
ctors,
Restrictions.Merge(BindingRestrictions.GetInstanceRestriction(Expression, Value))
);
} else {
string msg;
if (Value.UnderlyingSystemType.IsAbstract()) {
msg = String.Format("Cannot create instances of {0} because it is abstract", Value.Name);
}else{
msg = String.Format("Cannot create instances of {0} because it has no public constructors", Value.Name);
}
return new DynamicMetaObject(
call.Throw(
Ast.New(
typeof(TypeErrorException).GetConstructor(new Type[] { typeof(string) }),
AstUtils.Constant(msg)
)
),
Restrictions.Merge(BindingRestrictions.GetInstanceRestriction(Expression, Value))
);
}
}示例8: FallbackGet
private Expression FallbackGet(DynamicMetaObjectBinder member, DynamicMetaObject[] args) {
GetMemberBinder sa = member as GetMemberBinder;
if (sa != null) {
return sa.FallbackGetMember(args[0]).Expression;
}
PythonGetMemberBinder pyGetMem = member as PythonGetMemberBinder;
if (pyGetMem.IsNoThrow) {
return Ast.Field(
null,
typeof(OperationFailed).GetDeclaredField("Value")
);
} else {
return member.Throw(
Ast.Call(
typeof(PythonOps).GetMethod("AttributeError"),
AstUtils.Constant("{0} instance has no attribute '{1}'"),
Ast.NewArrayInit(
typeof(object),
AstUtils.Constant(((OldInstance)Value)._class._name),
AstUtils.Constant(pyGetMem.Name)
)
)
);
}
}示例9: IncorrectArgCount
private static DynamicMetaObject IncorrectArgCount(DynamicMetaObjectBinder binder, BindingRestrictions restrictions, int expected, int got) {
return new DynamicMetaObject(
binder.Throw(
Expression.Call(
typeof(PythonOps).GetMethod("TypeError"),
Expression.Constant(String.Format("this function takes {0} arguments ({1} given)", expected, got)),
Expression.NewArrayInit(typeof(object))
),
typeof(object)
),
restrictions
);
}示例10: NoThisParam
private static DynamicMetaObject NoThisParam(DynamicMetaObjectBinder binder, BindingRestrictions restrictions) {
return new DynamicMetaObject(
binder.Throw(
Expression.Call(
typeof(PythonOps).GetMethod("ValueError"),
Expression.Constant("native com method call without 'this' parameter"),
Expression.NewArrayInit(typeof(object))
),
typeof(object)
),
restrictions
);
}