2 my-lily-parser.cc -- implement My_lily_parser
4 source file of the GNU LilyPond music typesetter
6 (c) 1997--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
7 Jan Nieuwenhuizen <janneke@gnu.org>
11 #include "file-name.hh"
12 #include "file-path.hh"
13 #include "lily-version.hh"
14 #include "ly-module.hh"
16 #include "my-lily-lexer.hh"
17 #include "my-lily-parser.hh"
18 #include "output-def.hh"
19 #include "paper-book.hh"
26 My_lily_parser::My_lily_parser (Sources *sources)
32 default_duration_ = Duration (2,0);
34 last_beam_start_ = SCM_EOL;
39 My_lily_parser::My_lily_parser (My_lily_parser const &src)
41 book_count_ = src.book_count_;
42 score_count_ = src.score_count_;
44 sources_ = src.sources_;
45 default_duration_ = src.default_duration_;
46 error_level_ = src.error_level_;
47 last_beam_start_ = src.last_beam_start_;
50 lexer_ = new My_lily_lexer (*src.lexer_);
53 My_lily_parser::~My_lily_parser ()
55 // FIXME: Memleak: del lexer
58 #include "ly-smobs.icc"
60 IMPLEMENT_SMOBS (My_lily_parser);
61 IMPLEMENT_TYPE_P (My_lily_parser, "ly:my-lily-parser?");
62 IMPLEMENT_DEFAULT_EQUAL_P (My_lily_parser);
65 My_lily_parser::mark_smob (SCM s)
67 My_lily_parser *parser = (My_lily_parser*) ly_cdr (s);
73 My_lily_parser::print_smob (SCM s, SCM port, scm_print_state*)
75 scm_puts ("#<my_lily_parser ", port);
76 My_lily_parser *parser = (My_lily_parser*) ly_cdr (s);
78 scm_puts (" >", port);
83 /* Process one .ly file, or book. */
85 My_lily_parser::parse_file (String init, String name, String out_name)
87 lexer_ = new My_lily_lexer (sources_);
89 lexer_->set_identifier (ly_symbol2scm ("parser"),
91 output_basename_ = out_name;
93 lexer_->main_input_name_ = name;
95 progress_indication (_ ("Parsing..."));
96 progress_indication ("\n");
99 lexer_->new_input (init, sources_);
101 /* Read .ly IN_FILE, lex, parse, write \score blocks from IN_FILE to
102 OUT_FILE (unless IN_FILE redefines output file name). */
105 if (!define_spots_.is_empty ())
107 define_spots_.top ().warning (_ ("Braces don't match"));
111 error_level_ = error_level_ | lexer_->error_level_;
117 My_lily_parser::parse_string (String ly_code)
119 My_lily_lexer *parent = lexer_;
120 lexer_ = (parent == 0 ? new My_lily_lexer (sources_)
121 : new My_lily_lexer (*parent));
124 lexer_->set_identifier (ly_symbol2scm ("parser"),
127 lexer_->main_input_name_ = "<string>";
128 lexer_->main_input_b_ = true;
131 lexer_->new_input (lexer_->main_input_name_, ly_code, sources_);
134 if (!define_spots_.is_empty ())
136 define_spots_.top ().warning (_ ("Braces don't match"));
140 error_level_ = error_level_ | lexer_->error_level_;
144 parent->keytable_ = lexer_->keytable_;
145 parent->encoding_ = lexer_->encoding_;
146 parent->chordmodifier_tab_ = lexer_->chordmodifier_tab_;
147 parent->pitchname_tab_stack_ = lexer_->pitchname_tab_stack_;
148 parent->sources_ = lexer_->sources_;
149 parent->scopes_ = lexer_->scopes_;
150 parent->error_level_ = lexer_->error_level_;
151 parent->main_input_b_ = lexer_->main_input_b_;
159 My_lily_parser::push_spot ()
161 define_spots_.push (here_input ());
165 My_lily_parser::here_str0 () const
167 return lexer_->here_str0 ();
171 My_lily_parser::parser_error (String s)
173 here_input ().error (s);
178 My_lily_parser::pop_spot ()
180 return define_spots_.pop ();
184 My_lily_parser::here_input () const
187 Parsing looks ahead , so we really want the previous location of the
188 lexer, not lexer_->here_input ().
192 Actually, that gets very icky when there are white space, because
193 the line-numbers are all wrong. Let's try the character before
194 the current token. That gets the right result for note/duration
195 stuff, but doesn't mess up for errors in the 1st token of the
198 Input hi (lexer_->here_input ());
200 char const * bla = hi.defined_str0_;
201 if (hi.line_number () > 1
202 || hi.column_number () > 1)
205 return Input (hi.source_file_, bla);
209 /****************************************************************/
215 bool store_locations_global_b;
217 /* Do not append `!' suffix, since 1st argument is not modified. */
218 LY_DEFINE (ly_set_point_and_click, "ly:set-point-and-click",
220 "Set the options for Point-and-click source specials output. The\n"
221 "argument is a symbol. Possible options are @code{none} (no source specials),\n"
222 "@code{line} and @code{line-column}")
225 SCM val = SCM_BOOL_F;
226 if (ly_symbol2scm ("line-column") == what)
227 val = ly_scheme_function ("line-column-location");
228 else if (what == ly_symbol2scm ("line"))
229 val = ly_scheme_function ("line-location");
231 scm_module_define (global_lily_module, ly_symbol2scm ("point-and-click"),
233 store_locations_global_b = ly_c_procedure_p (val);
234 return SCM_UNSPECIFIED;
237 LY_DEFINE (ly_parse_file, "ly:parse-file",
239 "Parse a single @code{.ly} file. "
240 "Upon failure, throw @code{ly-file-failed} key.")
242 SCM_ASSERT_TYPE (ly_c_string_p (name), name, SCM_ARG1, __FUNCTION__, "string");
243 char const *file = SCM_STRING_CHARS (name);
244 char const *extensions[] = {"ly", "", 0};
245 String file_name = global_path.find (file, extensions);
247 /* By default, use base name of input file for output file name,
248 write output to cwd; do not use root and directory parts of input
250 File_name out_file_name (file_name);
251 out_file_name.ext_ = "";
252 out_file_name.root_ = "";
253 out_file_name.dir_ = "";
255 if (!output_name_global.is_empty ())
256 out_file_name = File_name (output_name_global);
259 if (!init_name_global.is_empty ())
260 init = init_name_global;
264 String out_file = out_file_name.to_string ();
266 if (init.length () && global_path.find (init).is_empty ())
268 warning (_f ("can't find init file: `%s'", init));
269 warning (_f ("(search path: `%s')",
270 global_path.to_string ().to_str0 ()));
274 if ((file_name != "-") && global_path.find (file_name).is_empty ())
276 warning (_f ("can't find file: `%s'", file_name));
277 scm_throw (ly_symbol2scm ("ly-file-failed"),
278 scm_list_1 (scm_makfrom0str (file_name.to_str0 ())));
283 sources.set_path (&global_path);
285 progress_indication (_f ("Now processing `%s'", file_name.to_str0 ()));
286 progress_indication ("\n");
288 My_lily_parser *parser = new My_lily_parser (&sources);
290 parser->parse_file (init, file_name, out_file);
292 bool error = parser->error_level_;
295 /* TODO: pass renamed input file too. */
296 scm_throw (ly_symbol2scm ("ly-file-failed"),
297 scm_list_1 (scm_makfrom0str (file_name.to_str0 ())));
299 return SCM_UNSPECIFIED;
302 LY_DEFINE (ly_parse_string, "ly:parse-string",
303 1, 0, 0, (SCM ly_code),
304 "Parse the string LY_CODE. "
305 "Upon failure, throw @code{ly-file-failed} key.")
307 SCM_ASSERT_TYPE (ly_c_string_p (ly_code), ly_code, SCM_ARG1, __FUNCTION__, "string");
310 sources.set_path (&global_path);
311 My_lily_parser *parser = new My_lily_parser (&sources);
312 scm_module_define (global_lily_module, ly_symbol2scm ("parser"),
313 parser->self_scm ());
314 parser->parse_string (ly_scm2string (ly_code));
317 return SCM_UNSPECIFIED;
320 LY_DEFINE (ly_clone_parser, "ly:clone-parser",
321 1, 0, 0, (SCM parser_smob),
322 "Return a clone of PARSER_SMOB.")
324 My_lily_parser *parser = unsmob_my_lily_parser (parser_smob);
325 My_lily_parser *clone = new My_lily_parser (*parser);
327 /* FIXME: should copy scopes too. */
328 return scm_gc_unprotect_object (clone->self_scm ());
331 LY_DEFINE (ly_parser_define, "ly:parser-define",
332 3, 0, 0, (SCM parser_smob, SCM symbol, SCM val),
333 "Bind SYMBOL to VAL in PARSER_SMOB's module.")
335 My_lily_parser *parser = unsmob_my_lily_parser (parser_smob);
336 SCM_ASSERT_TYPE (ly_c_symbol_p (symbol), symbol, SCM_ARG2, __FUNCTION__, "symbol");
337 SCM_ASSERT_TYPE (parser, parser_smob, SCM_ARG2, __FUNCTION__, "parser");
340 parser->lexer_->set_identifier (scm_symbol_to_string (symbol), val);
341 return SCM_UNSPECIFIED;
344 LY_DEFINE (ly_parser_lookup, "ly:parser-lookup",
345 2, 0, 0, (SCM parser_smob, SCM symbol),
346 "Lookup @var{symbol} in @var{parser_smob}'s module. "
349 My_lily_parser *parser = unsmob_my_lily_parser (parser_smob);
351 SCM_ASSERT_TYPE (ly_c_symbol_p (symbol), symbol, SCM_ARG2, __FUNCTION__, "symbol");
352 SCM_ASSERT_TYPE (parser, parser_smob, SCM_ARG2, __FUNCTION__, "parser");
354 SCM val= parser->lexer_->lookup_identifier (ly_scm2string (scm_symbol_to_string (symbol)));
355 if (val != SCM_UNDEFINED)
361 LY_DEFINE (ly_parser_parse_string, "ly:parser-parse-string",
362 2, 0, 0, (SCM parser_smob, SCM ly_code),
363 "Parse the string LY_CODE with PARSER_SMOB."
364 "Upon failure, throw @code{ly-file-failed} key.")
366 My_lily_parser *parser = unsmob_my_lily_parser (parser_smob);
368 SCM_ASSERT_TYPE (parser, parser_smob, SCM_ARG1, __FUNCTION__, "parser");
369 SCM_ASSERT_TYPE (ly_c_string_p (ly_code), ly_code, SCM_ARG2, __FUNCTION__, "string");
371 parser->parse_string (ly_scm2string (ly_code));
373 return SCM_UNSPECIFIED;
377 get_paper (My_lily_parser *parser)
379 SCM id = parser->lexer_->lookup_identifier ("$defaultpaper");
380 Output_def *paper = unsmob_output_def (id);
381 paper = paper ? paper->clone () : new Output_def;
382 paper->set_variable (ly_symbol2scm ("is-paper"), SCM_BOOL_T);
384 paper->parent_ = unsmob_output_def (parser->lexer_->lookup_identifier ("$defaultbookpaper"));
390 get_midi (My_lily_parser *parser)
392 SCM id = parser->lexer_->lookup_identifier ("$defaultmidi");
393 Output_def *paper = unsmob_output_def (id);
394 paper = paper ? paper->clone () : new Output_def;
395 paper->set_variable (ly_symbol2scm ("is-midi"), SCM_BOOL_T);
401 get_bookpaper (My_lily_parser *parser)
403 SCM id = parser->lexer_->lookup_identifier ("$defaultbookpaper");
404 Output_def *paper = unsmob_output_def (id);
406 paper = paper ? dynamic_cast<Output_def*> (paper->clone ()) : new Output_def;
407 paper->set_variable (ly_symbol2scm ("is-bookpaper"), SCM_BOOL_T);
412 /* TODO: move this to Scheme? Why take the parser arg, and all the back
413 & forth between scm and c++? */
414 LY_DEFINE (ly_parser_print_score, "ly:parser-print-score",
416 (SCM parser_smob, SCM score_smob),
417 "Print score, i.e., the classic way.")
419 My_lily_parser *parser = unsmob_my_lily_parser (parser_smob);
420 Score *score = unsmob_score (score_smob);
422 SCM_ASSERT_TYPE (parser, parser_smob, SCM_ARG1, __FUNCTION__, "parser");
423 SCM_ASSERT_TYPE (score, score_smob, SCM_ARG2, __FUNCTION__, "score");
425 SCM header = ly_c_module_p (score->header_) ? score->header_
426 : parser->lexer_->lookup_identifier ("$globalheader");
428 File_name outname (parser->output_basename_);
429 int *c = &parser->book_count_;
431 outname.base_ += "-" + to_string (*c);
434 SCM os = scm_makfrom0str (outname.to_string ().to_str0 ());
435 SCM bookpaper = get_bookpaper (parser)->self_scm ();
436 for (int i = 0; i < score->defs_.size (); i++)
437 default_rendering (score->music_, score->defs_[i]->self_scm (),
441 if (score->defs_.is_empty ())
443 Output_def *paper = get_paper (parser);
444 default_rendering (score->music_, paper->self_scm (),
445 get_bookpaper (parser)->self_scm (),
447 scm_gc_unprotect_object (paper->self_scm ());
449 return SCM_UNSPECIFIED;
453 LY_DEFINE (ly_parser_set_note_names, "ly:parser-set-note-names",
454 2, 0, 0, (SCM parser, SCM names),
455 "Replace current note names in @var{parser}. "
456 "@var{names} is an alist of symbols. "
457 "This only has effect if the current mode is notes.")
459 My_lily_parser *p = unsmob_my_lily_parser (parser);
460 SCM_ASSERT_TYPE(p, parser, SCM_ARG1, __FUNCTION__, "Lilypond parser");
462 if (p->lexer_->is_note_state ())
464 p->lexer_->pop_state ();
465 p->lexer_->push_note_state (alist_to_hashq (names));
468 return SCM_UNSPECIFIED;
471 LY_DEFINE (ly_parser_print_book, "ly:parser-print-book",
472 2, 0, 0, (SCM parser_smob, SCM book_smob),
475 My_lily_parser *parser = unsmob_my_lily_parser (parser_smob);
476 Book *book = unsmob_book (book_smob);
477 Output_def *bp = unsmob_output_def (parser->lexer_->lookup_identifier ("$defaultbookpaper"));
479 SCM_ASSERT_TYPE (parser, parser_smob, SCM_ARG1, __FUNCTION__, "Lilypond parser");
480 SCM_ASSERT_TYPE (book, book_smob, SCM_ARG2, __FUNCTION__, "Book");
482 /* ugh. changing argument.*/
483 book->bookpaper_ = bp;
485 File_name outname (parser->output_basename_);
486 int *c = &parser->book_count_;
488 outname.base_ += "-" + to_string (*c);
491 Output_def *paper = get_paper (parser);
493 Paper_book* pb = book->process (outname.to_string (), paper);
495 pb->output (outname.to_string ());
497 scm_gc_unprotect_object (paper->self_scm ());
498 scm_gc_unprotect_object (pb->self_scm ());
500 return SCM_UNSPECIFIED;