internal static ValidationInfo /*!*/ GetValidationInfo(params DynamicMetaObject /*!*/[] /*!*/ args)
{
Expression typeTest = null;
for (int i = 0; i < args.Length; i++)
{
if (args[i].HasValue)
{
IPythonObject val = args[i].Value as IPythonObject;
if (val != null)
{
Expression test = BindingHelpers.CheckTypeVersion(
AstUtils.Convert(args[i].Expression, val.GetType()),
val.PythonType.Version
);
test = Ast.AndAlso(
Ast.TypeEqual(args[i].Expression, val.GetType()),
test
);
if (typeTest != null)
{
typeTest = Ast.AndAlso(typeTest, test);
}
else
{
typeTest = test;
}
}
}
}
return(new ValidationInfo(typeTest));
}
internal static FastBindResult <T> MakeSetBinding <T>(CodeContext codeContext, CallSite <T> site, IPythonObject self, object value, Binding.PythonSetMemberBinder setBinder) where T : class
{
if (typeof(IDynamicMetaObjectProvider).IsAssignableFrom(self.GetType().BaseType))
{
// very tricky, user is inheriting from a class which implements IDO, we
// don't optimize this yet.
return(new FastBindResult <T>());
}
// optimized versions for possible literals that can show up in code.
Type setType = typeof(T);
if (setType == typeof(Func <CallSite, object, object, object>))
{
return((FastBindResult <T>)(object) new Binding.MetaUserObject.FastSetBinderHelper <object>(
codeContext,
self,
value,
setBinder).MakeSet());
}
else if (setType == typeof(Func <CallSite, object, string, object>))
{
return((FastBindResult <T>)(object) new Binding.MetaUserObject.FastSetBinderHelper <string>(
codeContext,
self,
value,
setBinder).MakeSet());
}
else if (setType == typeof(Func <CallSite, object, int, object>))
{
return((FastBindResult <T>)(object) new Binding.MetaUserObject.FastSetBinderHelper <int>(
codeContext,
self,
value,
setBinder).MakeSet());
}
else if (setType == typeof(Func <CallSite, object, double, object>))
{
return((FastBindResult <T>)(object) new Binding.MetaUserObject.FastSetBinderHelper <double>(
codeContext,
self,
value,
setBinder).MakeSet());
}
else if (setType == typeof(Func <CallSite, object, List, object>))
{
return((FastBindResult <T>)(object) new Binding.MetaUserObject.FastSetBinderHelper <List>(
codeContext,
self,
value,
setBinder).MakeSet());
}
else if (setType == typeof(Func <CallSite, object, PythonTuple, object>))
{
return((FastBindResult <T>)(object) new Binding.MetaUserObject.FastSetBinderHelper <PythonTuple>(
codeContext,
self,
value,
setBinder).MakeSet());
}
else if (setType == typeof(Func <CallSite, object, PythonDictionary, object>))
{
return((FastBindResult <T>)(object) new Binding.MetaUserObject.FastSetBinderHelper <PythonDictionary>(
codeContext,
self,
value,
setBinder).MakeSet());
}
return(new FastBindResult <T>());
}