+ | output_def_body embedded_scm_active
+ {
+ // We don't switch into note mode for Scheme functions
+ // here. Does not seem warranted/required in output
+ // definitions.
+ if (scm_is_pair ($1))
+ {
+ Output_def *o = unsmob_output_def ($2);
+ if (o) {
+ o->input_origin_.set_spot (@$);
+ $1 = o->self_scm ();
+ parser->lexer_->remove_scope ();
+ parser->lexer_->add_scope (o->scope_);
+ $2 = SCM_UNSPECIFIED;
+ } else
+ $1 = scm_car ($1);
+ }
+ if (unsmob_context_def ($2))
+ assign_context_def (unsmob_output_def ($1), $2);
+ // Seems unlikely, but let's be complete:
+ else if (unsmob_music ($2))
+ {
+ SCM proc = parser->lexer_->lookup_identifier
+ ("output-def-music-handler");
+ scm_call_3 (proc, parser->self_scm (),
+ $1, $2);
+ } else if (!scm_is_eq ($2, SCM_UNSPECIFIED))
+ parser->parser_error (@2, _("bad expression type"));
+ $$ = $1;
+ }
+ | output_def_body SCM_TOKEN {
+ if (scm_is_pair ($1))
+ $$ = scm_car ($1);
+ // Evaluate and ignore #xxx, as opposed to \xxx
+ parser->lexer_->eval_scm_token ($2, @2);