+
+
+
+bool
+markup_p (SCM x)
+{
+ return gh_pair_p (x)
+ && SCM_BOOL_F != scm_object_property (gh_car (x), ly_symbol2scm ("markup-signature"));
+}
+/*
+It is a little strange, to have this function in this file, but
+otherwise, we have to import music classes into the lexer.
+
+*/
+int
+My_lily_lexer::try_special_identifiers (SCM * destination, SCM sid)
+{
+ if (gh_string_p (sid)) {
+ *destination = sid;
+ return STRING_IDENTIFIER;
+ } else if (gh_number_p (sid)) {
+ *destination = sid;
+ return NUMBER_IDENTIFIER;
+ } else if (unsmob_translator_def (sid)) {
+ *destination = unsmob_translator_def (sid)->clone_scm();
+ return TRANSLATOR_IDENTIFIER;
+ } else if (unsmob_score (sid)) {
+ Score *sc = new Score (*unsmob_score (sid));
+ *destination =sc->self_scm ();
+ return SCORE_IDENTIFIER;
+ } else if (Music * mus =unsmob_music (sid)) {
+ *destination = unsmob_music (sid)->clone ()->self_scm();
+ unsmob_music (*destination)->
+ set_mus_property ("origin", make_input (last_input_));
+ return dynamic_cast<Event*> (mus)
+ ? EVENT_IDENTIFIER : MUSIC_IDENTIFIER;
+ } else if (unsmob_duration (sid)) {
+ *destination = unsmob_duration (sid)->smobbed_copy();
+ return DURATION_IDENTIFIER;
+ } else if (unsmob_music_output_def (sid)) {
+ Music_output_def *p = unsmob_music_output_def (sid);
+ p = p->clone ();
+
+ *destination = p->self_scm();
+ return MUSIC_OUTPUT_DEF_IDENTIFIER;
+ } else if (new_markup_p (sid)) {
+ *destination = sid;
+ return MARKUP_IDENTIFIER;
+ }
+
+ return -1;
+}