1 %{ // -*-Fundamental-*-
4 parser.yy -- Bison/C++ parser for mudela
6 source file of the GNU LilyPond music typesetter
8 (c) 1997 Han-Wen Nienhuys <hanwen@cs.uu.nl>
9 Jan Nieuwenhuizen <janneke@gnu.org>
13 #include "lily-guile.hh"
14 #include "notename-table.hh"
16 #include "translation-property.hh"
17 #include "script-def.hh"
18 #include "symtable.hh"
21 #include "my-lily-lexer.hh"
22 #include "paper-def.hh"
23 #include "midi-def.hh"
25 #include "file-path.hh"
28 #include "parseconstruct.hh"
29 #include "dimensions.hh"
30 #include "identifier.hh"
31 #include "command-request.hh"
32 #include "musical-request.hh"
33 #include "my-lily-parser.hh"
34 #include "text-def.hh"
35 #include "translator-group.hh"
37 #include "music-list.hh"
38 #include "duration-convert.hh"
39 #include "change-translator.hh"
40 #include "file-results.hh"
41 #include "mudela-version.hh"
43 #include "relative-music.hh"
44 #include "transposed-music.hh"
45 #include "compressed-music.hh"
48 Mudela_version oldest_version ("1.0.7");
49 Mudela_version version ("1.0.8");
52 // needed for bison.simple's malloc() and free()
55 int const GUESS_PLET = 5;
56 int guess_plet_a[GUESS_PLET] =
76 Assignment (Assignment const&s)
78 name_p_ = new String (*s.name_p_);
79 id_p_ = s.id_p_->clone ();
83 Paper_def* current_paper = 0;
89 #define YYERROR_VERBOSE 1
91 #define YYPARSE_PARAM my_lily_parser_l
92 #define YYLEX_PARAM my_lily_parser_l
93 #define THIS ((My_lily_parser *) my_lily_parser_l)
95 #define yyerror THIS->parser_error
96 #define ARRAY_SIZE(a,s) if (a.size () != s) THIS->parser_error (_f("expecting %d arguments", s))
102 Array<Interval>* intarr;
103 Array<Musical_pitch> *pitch_arr;
104 Array<String> * strvec;
107 Simultaneous_music *chord;
112 Music_list *music_list;
117 Music_output_def * outputdef;
118 Musical_pitch * pitch;
122 Notename_table *notenametab;
126 General_script_def * script;
131 Symtables* symtables;
143 yylex (YYSTYPE *s, void * v_l)
145 My_lily_parser *pars_l = (My_lily_parser*) v_l;
146 My_lily_lexer * lex_l = pars_l->lexer_p_;
148 lex_l->lexval_l = (void*) s;
149 return lex_l->yylex ();
157 /* tokens which are not keywords */
196 %token SCHEME /* token vs typedef; can't be named SCM */
214 %token E_EXCLAMATION E_SMALLER E_BIGGER E_CHAR
218 %token <pitch> NOTENAME_PITCH
219 %token <id> DURATION_IDENTIFIER
220 %token <id> IDENTIFIER
221 %token <id> NOTENAME_TABLE_IDENTIFIER
222 %token <id> MUSIC_IDENTIFIER
223 %token <id> POST_REQUEST_IDENTIFIER
224 %token <id> SCRIPT_IDENTIFIER
225 %token <id> COMMAND_IDENTIFIER
226 %token <id> REAL_IDENTIFIER
227 %token <id> STRING_IDENTIFIER
228 %token <id> TRANS_IDENTIFIER
229 %token <id> INT_IDENTIFIER
230 %token <id> SCORE_IDENTIFIER
231 %token <id> MIDI_IDENTIFIER
232 %token <id> PAPER_IDENTIFIER
233 %token <id> REQUEST_IDENTIFIER
235 %token <string> DURATION RESTNAME
236 %token <string> STRING
240 %type <outputdef> output_def
241 %type <scope> mudela_header mudela_header_body
243 %type <i> open_request_parens close_request_parens
244 %type <i> open_abbrev_parens
245 %type <i> open_plet_parens close_plet_parens
246 %type <i> sub_quotes sup_quotes
247 %type <music> simple_element request_chord command_element Simple_music Composite_music
248 %type <i> abbrev_type
249 %type <i> int unsigned
251 %type <id> identifier_init simple_identifier_init block_identifier
252 %type <duration> steno_duration notemode_duration
253 %type <duration> entered_notemode_duration explicit_duration
254 %type <interval> dinterval
255 %type <intvec> intastint_list int_list
256 %type <symtables> symtables symtables_body
258 %type <pitch> explicit_musical_pitch steno_musical_pitch musical_pitch absolute_musical_pitch
259 %type <notereq> steno_notepitch
260 %type <pitch_arr> pitch_list
261 %type <midi> midi_block midi_body
262 %type <duration> duration_length
264 %type <scalar> scalar
265 %type <music> Music relative_music Sequential_music Simultaneous_music
266 %type <music> property_def translator_change
267 %type <music_list> Music_list
268 %type <paper> paper_block paper_def_body
269 %type <real> real_expression real dimension
270 %type <request> abbrev_command_req
271 %type <request> post_request structured_post_request
272 %type <pair> plet_fraction
273 %type <request> command_req verbose_command_req
274 %type <request> script_req dynamic_req
275 %type <string> string
276 %type <score> score_block score_body
277 %type <intarr> shape_array
278 %type <script> script_definition script_body mudela_script gen_script_def
279 %type <textdef> text_def finger
280 %type <string> script_abbreviation
281 %type <symbol> symboldef
282 %type <symtable> symtable symtable_body
283 %type <trans> translator_spec translator_spec_body
284 %type <tempo> tempo_request
285 %type <notenametab> notenames_body notenames_block
296 | mudela toplevel_expression {}
297 | mudela assignment { }
299 | mudela check_version { }
304 THIS->lexer_p_->set_notename_table ($1);
307 delete header_global_p;
308 header_global_p = $1;
311 score_global_array.push ($1);
314 Identifier * id = new
315 Paper_def_identifier ($1, PAPER_IDENTIFIER);
316 THIS->lexer_p_->set_identifier ("$defaultpaper", id)
319 Identifier * id = new
320 Midi_def_identifier ($1, MIDI_IDENTIFIER);
321 THIS->lexer_p_->set_identifier ("$defaultmidi", id)
330 gh_eval_str ($2->ch_l ());
337 Mudela_version ver (*$2);
338 if (!((ver >= oldest_version) && (ver <= version))) {
339 if (THIS->ignore_version_b_) {
340 THIS->here_input ().error (_f ("incorrect mudela version: %s (%s, %s)", ver.str (), oldest_version.str (), version.str ()));
342 THIS->fatal_error_i_ = 1;
343 THIS->parser_error (_f ("incorrect mudela version: %s (%s, %s)", ver.str (), oldest_version.str (), version.str ()));
351 NOTENAMES '{' notenames_body '}' { $$ = $3; }
358 $$ = new Notename_table;
360 | NOTENAME_TABLE_IDENTIFIER {
361 $$ = $1-> access_content_Notename_table(true);
363 | notenames_body STRING '=' explicit_musical_pitch {
374 THIS->lexer_p_-> scope_l_arr_.push ($$);
376 | mudela_header_body assignment ';' {
382 HEADER '{' mudela_header_body '}' {
384 THIS->lexer_p_-> scope_l_arr_.pop ();
394 THIS->remember_spot ();
396 /* cont */ '=' identifier_init {
397 THIS->lexer_p_->set_identifier (*$1, $4);
398 $4->init_b_ = THIS->init_parse_b_;
399 $4->set_spot (THIS->pop_spot ());
404 simple_identifier_init: identifier_init
413 $$ = new Score_identifier ($1, SCORE_IDENTIFIER);
417 $$ = new Notename_table_identifier ($1, NOTENAME_TABLE_IDENTIFIER);
420 $$ = new Paper_def_identifier ($1, PAPER_IDENTIFIER);
423 $$ = new Midi_def_identifier ($1, MIDI_IDENTIFIER);
427 $$ = new Symtables_identifier ($1, IDENTIFIER);
430 $$ = new Translator_identifier ($1, TRANS_IDENTIFIER);
433 $$ = new Music_identifier ($1, MUSIC_IDENTIFIER);
437 $$ = new Request_identifier ($1, POST_REQUEST_IDENTIFIER);
439 | explicit_duration {
440 $$ = new Duration_identifier ($1, DURATION_IDENTIFIER);
443 $$ = new Real_identifier (new Real ($1), REAL_IDENTIFIER);
446 $$ = new String_identifier ($1, STRING_IDENTIFIER);
449 $$ = new int_identifier (new int ($1), INT_IDENTIFIER);
451 | script_definition {
452 $$ = new General_script_def_identifier ($1, SCRIPT_IDENTIFIER);
458 TRANSLATOR '{' translator_spec_body '}'
462 translator_spec_body:
464 $$ = $1->access_content_Translator (true);
465 $$-> set_spot (THIS->here_input ());
468 Translator* t = get_translator_l (*$2);
469 Translator_group * tg = dynamic_cast<Translator_group*> (t);
472 THIS->parser_error (_("Need a translator group for a context"));
475 t->set_spot (THIS->here_input ());
479 | translator_spec_body STRING '=' simple_identifier_init ';' {
481 String_identifier *s = dynamic_cast<String_identifier*> (id);
482 Real_identifier *r= dynamic_cast<Real_identifier*>(id);
483 int_identifier *i = dynamic_cast<int_identifier*> (id);
486 if (s) str = *s->access_content_String (false);
487 if (i) str = to_str (*i->access_content_int (false));
488 if (r) str = to_str (*r->access_content_Real (false));
490 THIS->parser_error (_("Wrong type for property value"));
493 $$->set_property (*$2, str);
495 | translator_spec_body NAME STRING ';' {
499 | translator_spec_body CONSISTS STRING ';' {
500 dynamic_cast<Translator_group*> ($$)-> set_element (*$3, true);
503 | translator_spec_body ACCEPTS STRING ';' {
504 dynamic_cast<Translator_group*> ($$)-> set_acceptor (*$3, true);
507 | translator_spec_body REMOVE STRING ';' {
508 dynamic_cast<Translator_group*> ($$)-> set_element (*$3, false);
517 SCORE { THIS->remember_spot ();
518 THIS->error_level_i_ =0;
520 /*cont*/ '{' score_body '}' {
522 $$->set_spot (THIS->pop_spot ());
523 if (!$$->def_p_arr_.size ())
524 $$->add_output (THIS->default_paper_p ());
526 /* handle error levels. */
527 $$->errorlevel_i_ = THIS->error_level_i_;
528 THIS->error_level_i_ = 0;
536 $$ = $1->access_content_Score (true);
538 | score_body mudela_header {
543 $2->warning (_ ("More than one music block"));
546 | score_body output_def {
564 /* */ { $$ =new Array<int>; }
565 | intastint_list int '*' int {
566 $$->push ($2); $$->push ($4);
568 | intastint_list int {
569 $$->push ($2); $$->push (1);
578 PAPER '{' paper_def_body '}' {
580 THIS-> lexer_p_->scope_l_arr_.pop ();
591 Paper_def *p = THIS->default_paper_p ();
592 THIS-> lexer_p_-> scope_l_arr_.push (p->scope_p_);
595 | PAPER_IDENTIFIER optional_semicolon {
596 Paper_def *p = $1->access_content_Paper_def (true);
597 THIS->lexer_p_->scope_l_arr_.push (p->scope_p_);
600 | paper_def_body int '=' symtables { // ugh, what a syntax
601 Lookup * l = new Lookup (*$4);
602 $$->set_lookup ($2, l);
604 | paper_def_body assignment ';' {
607 | paper_def_body translator_spec {
608 $$->assign_translator ($2);
610 | paper_def_body SHAPE '=' shape_array ';' {
611 $$->shape_int_a_ = *$4;
614 | paper_def_body error {
621 real_expression { $$ = $1; }
646 $$= *$1->access_content_Real (false);
648 | '-' real_expression %prec UNARY_MINUS {
651 | real_expression '*' real_expression {
654 | real_expression '/' real_expression {
657 | real_expression '+' real_expression {
660 | real_expression '-' real_expression {
663 | '(' real_expression ')' {
671 $$ = new Array<Interval>;
673 | shape_array real real {
674 $$->push(Interval($2, $2 + $3));
683 '{' midi_body '}' { $$ = $3; }
686 midi_body: /* empty */ {
687 $$ = THIS->default_midi_p ();
690 $$ = $1-> access_content_Midi_def (true);
692 | midi_body translator_spec {
693 $$-> assign_translator ($2);
695 | midi_body tempo_request ';' {
696 $$->set_tempo ($2->dur_.length (), $2->metronome_i_);
705 TEMPO entered_notemode_duration '=' unsigned {
709 $$-> metronome_i_ = $4;
713 Music_list: /* empty */ {
729 Sequential_music: '{' Music_list '}' {
730 $$ = new Sequential_music ($2);
734 Simultaneous_music: '<' Music_list '>' {
735 $$ = new Simultaneous_music ($2);
740 request_chord { $$ = $1; }
741 | MUSIC_IDENTIFIER { $$ = $1->access_content_Music (true); }
750 $$->translator_type_str_ = *$2;
753 | TYPE STRING '=' STRING Music {
755 $$->translator_type_str_ = *$2;
756 $$->translator_id_str_ = *$4;
760 | TIMES int '/' int Music {
761 $$ = new Compressed_music ($2, $4, $5);
764 | Simultaneous_music { $$ = $1; }
765 | Sequential_music { $$ = $1; }
766 | TRANSPOSE musical_pitch Music {
767 $$ = new Transposed_music ($3, *$2);
771 { THIS->lexer_p_->push_note_state (); }
774 THIS->lexer_p_->pop_state ();
778 { THIS->lexer_p_->push_lyric_state (); }
782 THIS->lexer_p_->pop_state ();
784 | relative_music { $$ = $1; }
788 RELATIVE absolute_musical_pitch Music {
789 $$ = new Relative_octave_music ($3, *$2);
795 TRANSLATOR STRING '=' STRING {
796 Change_translator * t = new Change_translator;
797 t-> change_to_type_str_ = *$2;
798 t-> change_to_id_str_ = *$4;
801 $$->set_spot (THIS->here_input ());
808 PROPERTY STRING '.' STRING '=' scalar {
809 Translation_property *t = new Translation_property;
810 t-> translator_type_str_ = *$2;
814 $$->set_spot (THIS->here_input ());
822 STRING { $$ = new Scalar (*$1); delete $1; }
823 | int { $$ = new Scalar ($1); }
828 pre_requests simple_element post_requests {
829 THIS->add_requests ((Simultaneous_music*)$2);//ugh
837 $$ = new Request_chord;
838 $$-> set_spot (THIS->here_input ());
839 $1-> set_spot (THIS->here_input ());
840 ((Simultaneous_music*)$$) ->add_music ($1);//ugh
846 | verbose_command_req ';' { $$ = $1; }
851 $$ = new Barcheck_req;
853 | COMMAND_IDENTIFIER {
854 $$ = $1->access_content_Request (true);
859 $$->spantype = Span_req::START;
863 $$->spantype = Span_req::STOP;
871 $$ = new Bar_req (*$2);
875 $$ = new Mark_req (*$2);
879 $$ = new Mark_req (to_str ($2));
881 | TIME_T unsigned '/' unsigned {
882 Time_signature_change_req *m = new Time_signature_change_req;
888 Break_req * b = new Break_req;
890 b-> set_spot (THIS->here_input ());
893 | SKIP duration_length {
894 Skip_req * skip_p = new Skip_req;
895 skip_p->duration_ = *$2;
903 $$ = new Cadenza_req ($2);
905 | PARTIAL duration_length {
906 $$ = new Partial_measure_req ($2->length ());
910 $$ = new Clef_change_req (*$2);
913 | KEY NOTENAME_PITCH {
914 Key_change_req *key_p= new Key_change_req;
915 key_p->pitch_arr_.push(*$2);
916 key_p->ordinary_key_b_ = true;
920 | KEYSIGNATURE pitch_list {
921 Key_change_req *key_p= new Key_change_req;
922 key_p->pitch_arr_ = *$2;
923 key_p->ordinary_key_b_ = false;
927 | GROUPING intastint_list {
928 $$ = get_grouping_req (*$2); delete $2;
934 /* something silly happened. Junk this stuff*/
935 if (!THIS->post_reqs.empty ())
937 warning ("Junking post-requests");
938 THIS->post_reqs.clear ();
941 | post_requests structured_post_request {
942 $2->set_spot (THIS->here_input ());
943 THIS->post_reqs.push ($2);
945 | post_requests close_request_parens {
946 Array<Request*>& r = *THIS->get_parens_request ($2);
947 for (int i = 0; i < r.size (); i++ )
948 r[i]->set_spot (THIS->here_input ());
949 THIS->post_reqs.concat (r);
954 structured_post_request:
960 POST_REQUEST_IDENTIFIER {
961 $$ = (Request*)$1->access_content_Request (true);
967 Abbreviation_req* a = new Abbreviation_req;
994 | NOTENAME_PITCH sup_quotes {
998 | NOTENAME_PITCH sub_quotes {
1000 $$->octave_i_ += - $2;
1004 explicit_musical_pitch:
1005 MUSICAL_PITCH '{' int_list '}' {/* ugh */
1006 Array<int> &a = *$3;
1008 $$ = new Musical_pitch;
1009 $$->octave_i_ = a[0];
1010 $$->notename_i_ = a[1];
1011 $$->accidental_i_ = a[2];
1018 | explicit_musical_pitch
1028 | steno_notepitch '!' {
1029 $$->forceacc_b_ = ! $$->forceacc_b_;
1035 DURATION '{' int_list '}' {
1037 Array<int> &a = *$3;
1040 $$-> durlog_i_ = a[0];
1041 $$-> dots_i_ = a[1];
1048 ABSDYNAMIC '{' unsigned '}' {
1049 Absolute_dynamic_req *ad_p = new Absolute_dynamic_req;
1050 ad_p ->loudness_ = (Dynamic_req::Loudness)$3;
1053 | SPANDYNAMIC '{' int int '}' {
1054 Span_dynamic_req * sp_p = new Span_dynamic_req;
1055 sp_p->spantype = (Span_req::Spantype)$4;
1056 sp_p-> dynamic_dir_ = (Direction)$3;
1062 unsigned '/' unsigned {
1069 $$[0] = guess_plet_a[(num <? GUESS_PLET) - 1];
1077 THIS->plet_.type_i_ = $2[1];
1078 THIS->plet_.iso_i_ = $2[0];
1079 THIS->default_duration_.plet_ = THIS->plet_;
1083 THIS->plet_.type_i_ = 1;
1084 THIS->plet_.iso_i_ = 1;
1085 THIS->default_duration_.plet_ = THIS->plet_;
1087 | TELP plet_fraction {
1089 THIS->plet_.type_i_ = $2[1];
1090 THIS->plet_.iso_i_ = $2[0];
1091 THIS->default_duration_.plet_ = THIS->plet_;
1095 close_request_parens:
1117 if (!Duration::duration_type_b ($3))
1118 THIS->parser_error (_f ("not a duration: %d", $3));
1120 THIS->parser_error (_ ("can't abbreviate"));
1122 THIS->set_abbrev_beam ($3);
1129 THIS->plet_.type_i_ = $2[1];
1130 THIS->plet_.iso_i_ = $2[0];
1131 THIS->default_duration_.plet_ = THIS->plet_;
1133 | PLET plet_fraction {
1135 THIS->plet_.type_i_ = $2[1];
1136 THIS->plet_.iso_i_ = $2[0];
1137 THIS->default_duration_.plet_ = THIS->plet_;
1141 open_request_parens:
1151 | open_abbrev_parens
1158 SCRIPT '{' script_body '}' { $$ = $3; }
1162 STRING int int int int int {
1163 Script_def *s = new Script_def;
1164 s->set_from_input (*$1,$2, $3,$4,$5, $6);
1171 script_dir gen_script_def {
1172 Musical_script_req *m = new Musical_script_req;
1174 m->scriptdef_p_ = $2;
1175 m->set_spot (THIS->here_input ());
1177 m->dir_ = (Direction)$1;
1184 ((Text_def*) $$)->align_dir_ = LEFT; /* UGH */
1188 $$-> set_spot (THIS->here_input ());
1192 ((Text_def*)$$)->align_dir_ = RIGHT; /* UGH */
1198 Text_def *t = new Text_def;
1202 $$->set_spot (THIS->here_input ());
1208 Text_def* t = new Text_def;
1210 t->text_str_ = to_str ($1);
1211 t->style_str_ = "finger";
1212 $$->set_spot (THIS->here_input ());
1216 script_abbreviation:
1217 '^' { $$ = get_scriptdef ('^'); }
1218 | '+' { $$ = get_scriptdef ('+'); }
1219 | '-' { $$ = get_scriptdef ('-'); }
1220 | '|' { $$ = get_scriptdef ('|'); }
1221 | 'o' { $$ = get_scriptdef ('o'); }
1222 | '>' { $$ = get_scriptdef ('>'); }
1224 $$ = get_scriptdef ('.');
1229 SCRIPT_IDENTIFIER { $$ = $1->access_content_General_script_def (true); }
1230 | script_definition { $$ = $1; }
1231 | script_abbreviation {
1232 $$ = THIS->lexer_p_->lookup_identifier (*$1)->access_content_General_script_def (true);
1246 | pre_requests open_request_parens {
1247 Array<Request*>& r = *THIS->get_parens_request ($2);
1248 for (int i = 0; i < r.size (); i++ )
1249 r[i]->set_spot (THIS->here_input ());
1250 THIS->pre_reqs.concat (r);
1255 absolute_musical_pitch:
1256 steno_musical_pitch {
1269 | dots '.' { $$ ++; }
1272 entered_notemode_duration:
1274 $$ = new Duration (THIS->default_duration_);
1277 $$ = new Duration (THIS->default_duration_);
1281 THIS->set_last_duration ($1);
1286 entered_notemode_duration {
1294 if (!Duration::duration_type_b ($1))
1295 THIS->parser_error (_f ("not a duration: %d", $1));
1297 $$->durlog_i_ = Duration_convert::i2_type ($1);
1298 $$->set_plet (THIS->plet_.iso_i_, THIS->plet_.type_i_);
1301 | DURATION_IDENTIFIER {
1302 $$ = $1->access_content_Duration (true);
1304 | steno_duration '.' {
1307 | steno_duration '*' unsigned {
1308 $$->plet_.iso_i_ *= $3;
1310 | steno_duration '/' unsigned {
1311 $$->plet_.type_i_ *= $3;
1321 if (!Duration::duration_type_b ($2))
1322 THIS->parser_error (_f ("not a duration: %d", $2));
1324 THIS->parser_error (_ ("can't abbreviate"));
1332 steno_notepitch notemode_duration {
1333 if (!THIS->lexer_p_->note_state_b ())
1334 THIS->parser_error (_ ("have to be in Note mode for notes"));
1335 $1->duration_ = *$2;
1336 $$ = THIS->get_note_element ($1, $2);
1338 | RESTNAME notemode_duration {
1339 $$ = THIS->get_rest_element (*$1, $2);
1340 delete $1; // delete notename
1342 | MEASURES notemode_duration {
1343 Multi_measure_rest_req* m = new Multi_measure_rest_req;
1347 Simultaneous_music*velt_p = new Request_chord;
1348 velt_p->set_spot (THIS->here_input ());
1349 velt_p->add_music (m);
1352 | STRING notemode_duration {
1353 if (!THIS->lexer_p_->lyric_state_b ())
1354 THIS->parser_error (_ ("have to be in Lyric mode for lyrics"));
1355 $$ = THIS->get_word_element (*$1, $2);
1365 $$ = new Array<Musical_pitch>;
1367 | pitch_list musical_pitch {
1399 $$ = *$1->access_content_int (false);
1408 | STRING_IDENTIFIER {
1409 $$ = $1->access_content_String (true);
1411 | string '+' string {
1423 SYMBOLTABLES '{' symtables_body '}' { $$ = $3; }
1431 $$ = $1->access_content_Symtables (true);
1433 | symtables_body FONT STRING {
1435 $$->font_path_ = global_path.find (*$3);
1436 if (!$$->font_path_.length_i ())
1437 THIS->here_input ().error (_f("can't open file: `%s'", $3->ch_C()));
1441 | symtables_body STRING '=' symtable {
1448 TABLE '{' symtable_body '}' { $$ = $3; }
1452 { $$ = new Symtable; }
1453 | symtable_body STRING symboldef {
1454 $$->elem (*$2) = *$3;
1461 STRING unsigned box {
1463 $$ = new Atom (*$1, *$3);
1468 Box b (Interval (0,0), Interval (0,0));
1470 $$ = new Atom (*$1, b);
1476 dinterval dinterval {
1477 $$ = new Box (*$1, *$2);
1483 dinterval: real real {
1484 $$ = new Interval ($1, $2);
1491 My_lily_parser::set_yydebug (bool b)
1498 My_lily_parser::do_yyparse ()
1500 yyparse ((void*)this);