- SCM data = g->get_property_data (axis_offset_symbol (a));
- if (ly_is_procedure (data))
- data = ly_make_simple_closure (scm_list_1 (data));
- else if (is_simple_closure (data))
- data = simple_closure_expression (data);
- else if (!scm_is_number (data))
- g->internal_set_property (axis_offset_symbol (a),
- proc);
- else
- {
- SCM plus = ly_lily_module_constant ("+");
- SCM expr = scm_list_3 (plus,
- ly_make_simple_closure (scm_list_1 (proc)),
- data);
- g->internal_set_property (axis_offset_symbol (a),
- ly_make_simple_closure (expr));
- }
+ SCM sym = axis_offset_symbol (a);
+ SCM data = g->get_property_data (sym);
+ g->set_property (sym, Lily::grob_offset_function (proc, data));