2 translator-def.cc -- implement Translator_def
4 source file of the GNU LilyPond music typesetter
6 (c) 2000--2001 Han-Wen Nienhuys <hanwen@cs.uu.nl>
10 #include "lily-proto.hh"
11 #include "translator-def.hh"
12 #include "translator-group.hh"
14 #include "music-output-def.hh"
16 #include "ly-smobs.icc"
19 Translator_def::print_smob (SCM smob
, SCM port
, scm_print_state
*)
21 Translator_def
* me
= (Translator_def
*) SCM_CELL_WORD_1 (smob
);
23 scm_puts ("#<Translator_def ", port
);
24 scm_display (me
->type_name_
, port
);
31 Translator_def::mark_smob (SCM smob
)
33 Translator_def
* me
= (Translator_def
*) SCM_CELL_WORD_1 (smob
);
35 scm_gc_mark (me
->type_aliases_
);
36 scm_gc_mark (me
->consists_name_list_
);
37 scm_gc_mark (me
->accepts_name_list_
);
38 scm_gc_mark (me
->end_consists_name_list_
);
39 scm_gc_mark (me
->property_ops_
);
40 scm_gc_mark (me
->translator_group_type_
);
41 return me
->type_name_
;
50 push_sym
= scm_permanent_object (ly_symbol2scm ("push"));
51 assign_sym
= scm_permanent_object (ly_symbol2scm ("assign"));
54 ADD_SCM_INIT_FUNC (transdef
, foo_init
);
56 Translator_def::Translator_def ()
58 type_aliases_
= SCM_EOL
;
59 translator_group_type_
= SCM_EOL
;
60 accepts_name_list_
= SCM_EOL
;
61 consists_name_list_
= SCM_EOL
;
62 end_consists_name_list_
= SCM_EOL
;
63 property_ops_
= SCM_EOL
;
66 Translator_def::~Translator_def ()
70 Translator_def::Translator_def (Translator_def
const & s
)
73 consists_name_list_
= scm_list_copy (s
.consists_name_list_
);
74 end_consists_name_list_
= scm_list_copy (s
.end_consists_name_list_
);
75 accepts_name_list_
= scm_list_copy (s
.accepts_name_list_
);
76 property_ops_
= scm_list_copy (s
.property_ops_
);
77 type_aliases_
= s
.type_aliases_
;
78 translator_group_type_
= s
.translator_group_type_
;
79 type_name_
= s
.type_name_
;
85 Translator_def::set_acceptor (SCM name
, bool add
)
88 this->accepts_name_list_
= gh_cons (name
, this->accepts_name_list_
);
90 this->accepts_name_list_
= scm_delete_x (name
, this->accepts_name_list_
);
95 Translator_def::modify_definition (SCM list
, SCM str
, bool add
)
97 String s
= ly_scm2string (str
);
98 if (!get_translator_l (s
))
99 error (_ ("Program has no such type"));
103 if (scm_memq (str
, list
) != SCM_BOOL_F
)
105 warning (_f ("Already contains: `%s'", s
));
106 warning (_f ("Not adding translator: `%s'", s
));
109 list
= gh_cons (str
, list
);
113 list
= scm_delete_x (str
, list
);
121 Translator_def::remove_element (SCM s
)
123 this->end_consists_name_list_
= modify_definition (this->end_consists_name_list_
, s
, false);
124 this->consists_name_list_
= modify_definition (this->consists_name_list_
, s
, false);
128 Translator_def::add_element (SCM s
)
130 this->consists_name_list_
= modify_definition (this->consists_name_list_
, s
, true);
134 Translator_def::add_last_element (SCM s
)
136 this->end_consists_name_list_
= modify_definition (this->end_consists_name_list_
, s
, true);
139 Translator_def::add_push_property (SCM props
, SCM syms
, SCM vals
)
141 this->property_ops_
= gh_cons (gh_list (push_sym
, props
, syms
, vals
, SCM_UNDEFINED
),
142 this->property_ops_
);
146 Translator_def::add_pop_property (SCM props
, SCM syms
)
148 this->property_ops_
= gh_cons (gh_list (push_sym
, props
, syms
, SCM_UNDEFINED
),
149 this->property_ops_
);
153 Do it. SYMS maybe a symbol or a list of symbols. VAL is
154 SCM_UNDEFINED in case of a pop
157 Translator_def::apply_pushpop_property (Translator_group
* me
,SCM syms
, SCM eprop
, SCM val
)
159 if (gh_symbol_p (syms
))
160 dynamic_cast<Translator_group
*> (me
)->execute_single_pushpop_property (syms
, eprop
, val
);
161 else for (SCM s
= syms
; gh_pair_p (s
); s
= gh_cdr (s
))
162 dynamic_cast<Translator_group
*> (me
)->execute_single_pushpop_property (gh_car (s
), eprop
, val
);
167 Link_array
<Translator_def
>
168 Translator_def::path_to_acceptable_translator (SCM type_str
, Music_output_def
* odef
) const
170 assert (gh_string_p (type_str
));
172 Link_array
<Translator_def
> accepted_arr
;
173 for (SCM s
= accepts_name_list_
; gh_pair_p (s
); s
= gh_cdr (s
))
175 Translator_def
*t
= unsmob_translator_def (odef
->find_translator_l (gh_car (s
)));
178 accepted_arr
.push (t
);
181 Link_array
<Translator_def
> best_result
;
182 for (int i
=0; i
< accepted_arr
.size (); i
++)
186 don't check aliases, because \context Staff should not create RhythmicStaff.
188 if (gh_equal_p (accepted_arr
[i
]->type_name_
, type_str
))
190 best_result
.push (accepted_arr
[i
]);
195 int best_depth
= INT_MAX
;
196 for (int i
=0; i
< accepted_arr
.size (); i
++)
198 Translator_def
* g
= accepted_arr
[i
];
200 Link_array
<Translator_def
> result
201 = g
->path_to_acceptable_translator (type_str
, odef
);
202 if (result
.size () && result
.size () < best_depth
)
205 best_result
= result
;
211 IMPLEMENT_UNSMOB (Translator_def
,translator_def
);
212 IMPLEMENT_SMOBS (Translator_def
);
213 IMPLEMENT_DEFAULT_EQUAL_P (Translator_def
);
217 trans_list (SCM namelist
, Translator_group
*tg
)
220 for (SCM s
= namelist
; gh_pair_p (s
) ; s
= gh_cdr (s
))
222 Translator
* t
= get_translator_l (ly_scm2string (gh_car (s
)));
224 warning (_f ("can't find: `%s'", s
));
227 Translator
* tr
= t
->clone ();
228 SCM str
= tr
->self_scm ();
229 l
= gh_cons (str
, l
);
231 tr
->daddy_trans_l_
= tg
;
232 tr
->output_def_l_
= tg
->output_def_l_
;
234 scm_gc_unprotect_object (str
);
242 Translator_def::instantiate (Music_output_def
* md
)
244 Translator
* g
= get_translator_l (ly_scm2string (translator_group_type_
));
247 Translator_group
*tg
= dynamic_cast<Translator_group
*> (g
);
248 tg
->output_def_l_
= md
;
249 tg
->definition_
= self_scm ();
250 tg
->type_str_
= ly_scm2string (type_name_
);
251 SCM l1
= trans_list (consists_name_list_
, tg
);
252 SCM l2
=trans_list (end_consists_name_list_
,tg
);
253 l1
= scm_reverse_x (l1
, l2
);
255 tg
->simple_trans_list_
= l1
;
262 Translator_def::apply_property_operations (Translator_group
*tg
)
264 SCM correct_order
= scm_reverse (property_ops_
); // pity of the mem.
265 for (SCM s
= correct_order
; gh_pair_p (s
); s
= gh_cdr (s
))
267 SCM entry
= gh_car (s
);
268 SCM type
= gh_car (entry
);
269 entry
= gh_cdr (entry
);
271 if (type
== push_sym
)
273 SCM val
= gh_cddr (entry
);
274 val
= gh_pair_p (val
) ? gh_car (val
) : SCM_UNDEFINED
;
276 apply_pushpop_property (tg
, gh_car (entry
), gh_cadr (entry
), val
);
278 else if (type
== assign_sym
)
280 tg
->set_property (gh_car (entry
), gh_cadr (entry
));
286 Translator_def::clone_scm () const
288 Translator_def
* t
= new Translator_def (*this);
289 return t
->unprotected_smobify_self ();
293 Translator_def::make_scm ()
295 Translator_def
* t
= new Translator_def
;
296 return t
->unprotected_smobify_self ();
300 Translator_def::add_property_assign (SCM nm
, SCM val
)
302 this->property_ops_
= gh_cons (gh_list (assign_sym
, scm_string_to_symbol (nm
), val
, SCM_UNDEFINED
),
303 this->property_ops_
);
307 Default child context as a SCM string, or something else if there is
311 Translator_def::default_child_context_name ()
313 SCM d
= accepts_name_list_
;
314 return gh_pair_p (d
) ? gh_car (scm_last_pair (d
)) : SCM_EOL
;
318 Translator_def::to_alist ()const
322 l
= gh_cons (gh_cons (ly_symbol2scm ("consists"), consists_name_list_
), l
);
323 l
= gh_cons (gh_cons (ly_symbol2scm ("end-consists"), end_consists_name_list_
), l
);
324 l
= gh_cons (gh_cons (ly_symbol2scm ("accepts"), accepts_name_list_
), l
);
325 l
= gh_cons (gh_cons (ly_symbol2scm ("property-ops"), property_ops_
), l
);
326 l
= gh_cons (gh_cons (ly_symbol2scm ("type-name"), type_name_
), l
); // junkme.
327 l
= gh_cons (gh_cons (ly_symbol2scm ("group-type"), translator_group_type_
), l
);