2 translator.cc -- implement Translator
4 source file of the GNU LilyPond music typesetter
6 (c) 1997--2002 Han-Wen Nienhuys <hanwen@cs.uu.nl>
10 #include "translator.hh"
12 #include "translator-group.hh"
13 #include "translator-def.hh"
16 #include "ly-smobs.icc"
19 Translator::~Translator ()
26 simple_trans_list_ = SCM_EOL;
27 trans_group_list_ = SCM_EOL;
28 properties_scm_ = SCM_EOL;
29 definition_ = SCM_EOL;
33 Translator::Translator ()
41 Translator::Translator (Translator const &s)
45 output_def_l_ = s.output_def_l_;
46 type_str_ = s.type_str_;
52 Translator::is_alias_b (String s) const
54 bool b = s == type_str_;
56 for (SCM a = unsmob_translator_def (definition_)->type_aliases_;
57 !b && gh_pair_p (a); a = ly_cdr (a))
58 b = b || s == ly_scm2string (ly_car (a));
64 Translator::try_music (Music *)
71 Translator::now_mom () const
73 return daddy_trans_l_->now_mom ();
77 Translator::removal_processing ()
83 Translator::announces ()
89 Translator::output_def_l () const
95 Translator::internal_get_property (SCM sym) const
97 return daddy_trans_l_->internal_get_property (sym);
101 Translator:: stop_translation_timestep ()
106 Translator::start_translation_timestep ()
111 Translator::do_announces ()
116 Translator::initialize ()
121 Translator::finalize ()
132 Translator::mark_smob (SCM sm)
134 Translator * me = (Translator*) SCM_CELL_WORD_1 (sm);
135 scm_gc_mark (me->simple_trans_list_);
136 scm_gc_mark (me->trans_group_list_);
137 scm_gc_mark (me->definition_);
138 scm_gc_mark (me->properties_scm_);
140 return me->properties_scm_;
143 MAKE_SCHEME_CALLBACK(Translator,name,1);
145 Translator::name (SCM trans)
147 if (unsmob_translator (trans))
149 char const* nm = classname (unsmob_translator (trans));
150 return ly_str02scm (nm);
156 MAKE_SCHEME_CALLBACK(Translator,description,1)
158 Translator::description (SCM me)
160 if (unsmob_translator (me))
161 return unsmob_translator(me)->translator_description ();
164 programming_error ("Translator::description ()");
170 Translator::translator_description () const
176 Translator::print_smob (SCM s, SCM port, scm_print_state *)
178 Translator *sc = (Translator *) ly_cdr (s);
180 scm_puts ("#<Translator ", port);
181 scm_display (name (s), port);
182 scm_display (sc->simple_trans_list_, port);
184 don't try to print properties, that is too much hassle.
186 scm_puts (" >", port);
192 Translator::static_translator_description ()const
198 IMPLEMENT_SMOBS (Translator);
199 IMPLEMENT_DEFAULT_EQUAL_P (Translator);