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_;
51 lexer_ = new My_lily_lexer (*src.lexer_);
54 My_lily_parser::~My_lily_parser ()
56 // FIXME: Memleak: del lexer
59 #include "ly-smobs.icc"
61 IMPLEMENT_SMOBS (My_lily_parser);
62 IMPLEMENT_TYPE_P (My_lily_parser, "ly:my-lily-parser?");
63 IMPLEMENT_DEFAULT_EQUAL_P (My_lily_parser);
66 My_lily_parser::mark_smob (SCM s)
68 My_lily_parser *parser = (My_lily_parser*) ly_cdr (s);
74 My_lily_parser::print_smob (SCM s, SCM port, scm_print_state*)
76 scm_puts ("#<my_lily_parser ", port);
77 My_lily_parser *parser = (My_lily_parser*) ly_cdr (s);
79 scm_puts (" >", port);
84 /* Process one .ly file, or book. */
86 My_lily_parser::parse_file (String init, String name, String out_name)
88 lexer_ = new My_lily_lexer (sources_);
90 lexer_->set_identifier (ly_symbol2scm ("parser"),
92 output_basename_ = out_name;
94 lexer_->main_input_name_ = name;
96 progress_indication (_ ("Parsing..."));
97 progress_indication ("\n");
100 lexer_->new_input (init, sources_);
102 /* Read .ly IN_FILE, lex, parse, write \score blocks from IN_FILE to
103 OUT_FILE (unless IN_FILE redefines output file name). */
106 if (!define_spots_.is_empty ())
108 define_spots_.top ().warning (_ ("Braces don't match"));
112 error_level_ = error_level_ | lexer_->error_level_;
118 My_lily_parser::parse_string (String ly_code)
120 My_lily_lexer *parent = lexer_;
121 lexer_ = (parent == 0 ? new My_lily_lexer (sources_)
122 : new My_lily_lexer (*parent));
125 SCM oldmod = scm_current_module ();
126 scm_set_current_module (ly_car (lexer_->scopes_));
129 lexer_->set_identifier (ly_symbol2scm ("parser"),
132 lexer_->main_input_name_ = "<string>";
133 lexer_->main_input_b_ = true;
136 lexer_->new_input (lexer_->main_input_name_, ly_code, sources_);
139 if (!define_spots_.is_empty ())
141 define_spots_.top ().warning (_ ("Braces don't match"));
145 error_level_ = error_level_ | lexer_->error_level_;
149 parent->keytable_ = lexer_->keytable_;
150 parent->encoding_ = lexer_->encoding_;
151 parent->chordmodifier_tab_ = lexer_->chordmodifier_tab_;
152 parent->pitchname_tab_stack_ = lexer_->pitchname_tab_stack_;
153 parent->sources_ = lexer_->sources_;
154 parent->scopes_ = lexer_->scopes_;
155 parent->error_level_ = lexer_->error_level_;
156 parent->main_input_b_ = lexer_->main_input_b_;
159 scm_set_current_module (oldmod);
165 My_lily_parser::push_spot ()
167 define_spots_.push (here_input ());
171 My_lily_parser::here_str0 () const
173 return lexer_->here_str0 ();
177 My_lily_parser::parser_error (String s)
179 here_input ().error (s);
184 My_lily_parser::pop_spot ()
186 return define_spots_.pop ();
190 My_lily_parser::here_input () const
193 Parsing looks ahead , so we really want the previous location of the
194 lexer, not lexer_->here_input ().
198 Actually, that gets very icky when there are white space, because
199 the line-numbers are all wrong. Let's try the character before
200 the current token. That gets the right result for note/duration
201 stuff, but doesn't mess up for errors in the 1st token of the
204 Input hi (lexer_->here_input ());
206 char const * bla = hi.defined_str0_;
207 if (hi.line_number () > 1
208 || hi.column_number () > 1)
211 return Input (hi.source_file_, bla);
215 /****************************************************************/
221 bool store_locations_global_b;
223 /* Do not append `!' suffix, since 1st argument is not modified. */
224 LY_DEFINE (ly_set_point_and_click, "ly:set-point-and-click",
226 "Set the options for Point-and-click source specials output. The\n"
227 "argument is a symbol. Possible options are @code{none} (no source specials),\n"
228 "@code{line} and @code{line-column}")
231 SCM val = SCM_BOOL_F;
232 if (ly_symbol2scm ("line-column") == what)
233 val = ly_scheme_function ("line-column-location");
234 else if (what == ly_symbol2scm ("line"))
235 val = ly_scheme_function ("line-location");
237 scm_module_define (global_lily_module, ly_symbol2scm ("point-and-click"),
239 store_locations_global_b = ly_c_procedure_p (val);
240 return SCM_UNSPECIFIED;
243 LY_DEFINE (ly_parse_file, "ly:parse-file",
245 "Parse a single @code{.ly} file. "
246 "Upon failure, throw @code{ly-file-failed} key.")
248 SCM_ASSERT_TYPE (ly_c_string_p (name), name, SCM_ARG1, __FUNCTION__, "string");
249 char const *file = SCM_STRING_CHARS (name);
250 char const *extensions[] = {"ly", "", 0};
251 String file_name = global_path.find (file, extensions);
253 /* By default, use base name of input file for output file name,
254 write output to cwd; do not use root and directory parts of input
256 File_name out_file_name (file_name);
257 out_file_name.ext_ = "";
258 out_file_name.root_ = "";
259 out_file_name.dir_ = "";
261 if (!output_name_global.is_empty ())
262 out_file_name = File_name (output_name_global);
265 if (!init_name_global.is_empty ())
266 init = init_name_global;
270 String out_file = out_file_name.to_string ();
272 if (init.length () && global_path.find (init).is_empty ())
274 warning (_f ("can't find init file: `%s'", init));
275 warning (_f ("(search path: `%s')",
276 global_path.to_string ().to_str0 ()));
280 if ((file_name != "-") && global_path.find (file_name).is_empty ())
282 warning (_f ("can't find file: `%s'", file_name));
283 scm_throw (ly_symbol2scm ("ly-file-failed"),
284 scm_list_1 (scm_makfrom0str (file_name.to_str0 ())));
289 sources.set_path (&global_path);
291 progress_indication (_f ("Now processing `%s'", file_name.to_str0 ()));
292 progress_indication ("\n");
294 My_lily_parser *parser = new My_lily_parser (&sources);
296 parser->parse_file (init, file_name, out_file);
298 bool error = parser->error_level_;
301 /* TODO: pass renamed input file too. */
302 scm_throw (ly_symbol2scm ("ly-file-failed"),
303 scm_list_1 (scm_makfrom0str (file_name.to_str0 ())));
305 return SCM_UNSPECIFIED;
308 LY_DEFINE (ly_parse_string, "ly:parse-string",
309 1, 0, 0, (SCM ly_code),
310 "Parse the string LY_CODE. "
311 "Upon failure, throw @code{ly-file-failed} key.")
313 SCM_ASSERT_TYPE (ly_c_string_p (ly_code), ly_code, SCM_ARG1, __FUNCTION__, "string");
316 sources.set_path (&global_path);
317 My_lily_parser *parser = new My_lily_parser (&sources);
318 scm_module_define (global_lily_module, ly_symbol2scm ("parser"),
319 parser->self_scm ());
320 parser->parse_string (ly_scm2string (ly_code));
323 return SCM_UNSPECIFIED;
326 LY_DEFINE (ly_clone_parser, "ly:clone-parser",
327 1, 0, 0, (SCM parser_smob),
328 "Return a clone of PARSER_SMOB.")
330 My_lily_parser *parser = unsmob_my_lily_parser (parser_smob);
331 My_lily_parser *clone = new My_lily_parser (*parser);
333 /* FIXME: should copy scopes too. */
334 return scm_gc_unprotect_object (clone->self_scm ());
337 LY_DEFINE (ly_parser_define, "ly:parser-define",
338 3, 0, 0, (SCM parser_smob, SCM symbol, SCM val),
339 "Bind SYMBOL to VAL in PARSER_SMOB's module.")
341 My_lily_parser *parser = unsmob_my_lily_parser (parser_smob);
342 SCM_ASSERT_TYPE (ly_c_symbol_p (symbol), symbol, SCM_ARG2, __FUNCTION__, "symbol");
343 SCM_ASSERT_TYPE (parser, parser_smob, SCM_ARG2, __FUNCTION__, "parser");
345 parser->lexer_->set_identifier (scm_symbol_to_string (symbol), val);
346 return SCM_UNSPECIFIED;
349 LY_DEFINE (ly_parser_lookup, "ly:parser-lookup",
350 2, 0, 0, (SCM parser_smob, SCM symbol),
351 "Lookup @var{symbol} in @var{parser_smob}'s module. "
354 My_lily_parser *parser = unsmob_my_lily_parser (parser_smob);
356 SCM_ASSERT_TYPE (ly_c_symbol_p (symbol), symbol, SCM_ARG2, __FUNCTION__, "symbol");
357 SCM_ASSERT_TYPE (parser, parser_smob, SCM_ARG2, __FUNCTION__, "parser");
359 SCM val= parser->lexer_->lookup_identifier (ly_scm2string (scm_symbol_to_string (symbol)));
360 if (val != SCM_UNDEFINED)
366 LY_DEFINE (ly_parser_parse_string, "ly:parser-parse-string",
367 2, 0, 0, (SCM parser_smob, SCM ly_code),
368 "Parse the string LY_CODE with PARSER_SMOB."
369 "Upon failure, throw @code{ly-file-failed} key.")
371 My_lily_parser *parser = unsmob_my_lily_parser (parser_smob);
373 SCM_ASSERT_TYPE (parser, parser_smob, SCM_ARG1, __FUNCTION__, "parser");
374 SCM_ASSERT_TYPE (ly_c_string_p (ly_code), ly_code, SCM_ARG2, __FUNCTION__, "string");
376 parser->parse_string (ly_scm2string (ly_code));
378 return SCM_UNSPECIFIED;
382 get_paper (My_lily_parser *parser)
384 SCM id = parser->lexer_->lookup_identifier ("$defaultpaper");
385 Output_def *paper = unsmob_output_def (id);
386 paper = paper ? paper->clone () : new Output_def;
387 paper->set_variable (ly_symbol2scm ("is-paper"), SCM_BOOL_T);
389 paper->parent_ = unsmob_output_def (parser->lexer_->lookup_identifier ("$defaultbookpaper"));
395 get_midi (My_lily_parser *parser)
397 SCM id = parser->lexer_->lookup_identifier ("$defaultmidi");
398 Output_def *paper = unsmob_output_def (id);
399 paper = paper ? paper->clone () : new Output_def;
400 paper->set_variable (ly_symbol2scm ("is-midi"), SCM_BOOL_T);
406 get_bookpaper (My_lily_parser *parser)
408 SCM id = parser->lexer_->lookup_identifier ("$defaultbookpaper");
409 Output_def *paper = unsmob_output_def (id);
411 paper = paper ? dynamic_cast<Output_def*> (paper->clone ()) : new Output_def;
412 paper->set_variable (ly_symbol2scm ("is-bookpaper"), SCM_BOOL_T);
417 /* TODO: move this to Scheme? Why take the parser arg, and all the back
418 & forth between scm and c++? */
419 LY_DEFINE (ly_parser_print_score, "ly:parser-print-score",
421 (SCM parser_smob, SCM score_smob),
422 "Print score, i.e., the classic way.")
424 My_lily_parser *parser = unsmob_my_lily_parser (parser_smob);
425 Score *score = unsmob_score (score_smob);
427 SCM_ASSERT_TYPE (parser, parser_smob, SCM_ARG1, __FUNCTION__, "parser");
428 SCM_ASSERT_TYPE (score, score_smob, SCM_ARG2, __FUNCTION__, "score");
430 SCM header = ly_c_module_p (score->header_) ? score->header_
431 : parser->lexer_->lookup_identifier ("$globalheader");
433 File_name outname (parser->output_basename_);
434 int *c = &parser->book_count_;
436 outname.base_ += "-" + to_string (*c);
439 SCM os = scm_makfrom0str (outname.to_string ().to_str0 ());
440 SCM bookpaper = get_bookpaper (parser)->self_scm ();
441 for (int i = 0; i < score->defs_.size (); i++)
442 default_rendering (score->music_, score->defs_[i]->self_scm (),
446 if (score->defs_.is_empty ())
448 Output_def *paper = get_paper (parser);
449 default_rendering (score->music_, paper->self_scm (),
450 get_bookpaper (parser)->self_scm (),
452 scm_gc_unprotect_object (paper->self_scm ());
454 return SCM_UNSPECIFIED;
458 LY_DEFINE (ly_parser_set_note_names, "ly:parser-set-note-names",
459 2, 0, 0, (SCM parser, SCM names),
460 "Replace current note names in @var{parser}. "
461 "@var{names} is an alist of symbols. "
462 "This only has effect if the current mode is notes.")
464 My_lily_parser *p = unsmob_my_lily_parser (parser);
465 SCM_ASSERT_TYPE(p, parser, SCM_ARG1, __FUNCTION__, "Lilypond parser");
467 if (p->lexer_->is_note_state ())
469 p->lexer_->pop_state ();
470 p->lexer_->push_note_state (alist_to_hashq (names));
473 return SCM_UNSPECIFIED;
476 LY_DEFINE (ly_parser_print_book, "ly:parser-print-book",
477 2, 0, 0, (SCM parser_smob, SCM book_smob),
480 My_lily_parser *parser = unsmob_my_lily_parser (parser_smob);
481 Book *book = unsmob_book (book_smob);
482 Output_def *bp = unsmob_output_def (parser->lexer_->lookup_identifier ("$defaultbookpaper"));
484 SCM_ASSERT_TYPE (parser, parser_smob, SCM_ARG1, __FUNCTION__, "Lilypond parser");
485 SCM_ASSERT_TYPE (book, book_smob, SCM_ARG2, __FUNCTION__, "Book");
487 /* ugh. changing argument.*/
488 book->bookpaper_ = bp;
490 File_name outname (parser->output_basename_);
491 int *c = &parser->book_count_;
493 outname.base_ += "-" + to_string (*c);
496 Output_def *paper = get_paper (parser);
498 Paper_book* pb = book->process (outname.to_string (), paper);
500 pb->output (outname.to_string ());
502 scm_gc_unprotect_object (paper->self_scm ());
503 scm_gc_unprotect_object (pb->self_scm ());
505 return SCM_UNSPECIFIED;