Creates a new gsv.SourceFileLoader object. The contents is read from stream.
the gsv.SourceBuffer to load the contents into.
the gsv.SourceFile
the gio.InputStream to load, e.g. stdin.
a new gsv.SourceFileLoader object.
ConstructionException GTK+ fails to create the object.
3.14
Creates a new gsv.SourceFileLoader object. The contents is read from stream.