|
public FallbackOperation ( |
||
| target | ||
| args | ||
| 리턴 | ||
public virtual DynamicMetaObject BindOperation(OperationBinder binder, params DynamicMetaObject[] args)
{
ContractUtils.RequiresNotNull(binder, nameof(binder));
return(binder.FallbackOperation(this, args));
}
public virtual DynamicMetaObject BindOperation(OperationBinder binder, params DynamicMetaObject[] args)
{
ContractUtils.RequiresNotNull(binder, "binder");
return binder.FallbackOperation(this, args);
}
private static DynamicMetaObject/*!*/ MakeBinaryThrow(OperationBinder/*!*/action, string/*!*/ op, DynamicMetaObject/*!*/[]/*!*/ args) {
if (action is IPythonSite) {
// produce the custom Python error message
return new DynamicMetaObject(
Ast.Throw(
Ast.Call(
typeof(PythonOps).GetMethod("TypeErrorForBinaryOp"),
Ast.Constant(SymbolTable.IdToString(Symbols.OperatorToSymbol(NormalizeOperator(op)))),
AstUtils.Convert(args[0].Expression, typeof(object)),
AstUtils.Convert(args[1].Expression, typeof(object))
)
),
BindingRestrictions.Combine(args)
);
}
// let the site produce its own error
return action.FallbackOperation(args[0], new[] { args[1] });
}
/// <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(OperationBinder/*!*/ action, string message, params DynamicMetaObject[] types) {
if (action is IPythonSite) {
// produce our custom errors for Python...
Expression[] formatArgs = new Expression[types.Length + 1];
for (int i = 1; i < formatArgs.Length; i++) {
formatArgs[i] = Ast.Constant(MetaPythonObject.GetPythonType(types[i - 1]).Name);
}
formatArgs[0] = Ast.Constant(message);
Type[] typeArgs = CompilerHelpers.MakeRepeatedArray<Type>(typeof(object), types.Length + 1);
typeArgs[0] = typeof(string);
Expression error = Ast.Throw(
Ast.Call(
typeof(ScriptingRuntimeHelpers).GetMethod("SimpleTypeError"),
AstUtils.ComplexCallHelper(
typeof(String).GetMethod("Format", typeArgs),
formatArgs
)
)
);
return new DynamicMetaObject(
error,
BindingRestrictions.Combine(types)
);
}
return action.FallbackOperation(types[0], ArrayUtils.RemoveFirst(types));
}
public virtual MetaObject BindOperation(OperationBinder binder, params MetaObject[] args)
{
ContractUtils.RequiresNotNull(binder, "binder");
return(binder.FallbackOperation(this, args));
}