Creates a new #GtkSourceFileLoader object. The contents is read from @stream.
the #GtkSourceBuffer to load the contents into.
the #GtkSourceFile.
the #GInputStream to load, e.g. stdin.
a new #GtkSourceFileLoader object.
ConstructionException GTK+ fails to create the object.
3.14
See Implementation
Creates a new #GtkSourceFileLoader object. The contents is read from @stream.