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 lexer_->set_identifier (ly_symbol2scm ("parser"),
128 lexer_->main_input_name_ = "<string>";
129 lexer_->main_input_b_ = true;
132 lexer_->new_input (lexer_->main_input_name_, ly_code, sources_);
135 if (!define_spots_.is_empty ())
137 define_spots_.top ().warning (_ ("Braces don't match"));
141 error_level_ = error_level_ | lexer_->error_level_;
145 parent->keytable_ = lexer_->keytable_;
146 parent->encoding_ = lexer_->encoding_;
147 parent->chordmodifier_tab_ = lexer_->chordmodifier_tab_;
148 parent->pitchname_tab_stack_ = lexer_->pitchname_tab_stack_;
149 parent->sources_ = lexer_->sources_;
150 parent->scopes_ = lexer_->scopes_;
151 parent->error_level_ = lexer_->error_level_;
152 parent->main_input_b_ = lexer_->main_input_b_;
160 My_lily_parser::push_spot ()
162 define_spots_.push (here_input ());
166 My_lily_parser::here_str0 () const
168 return lexer_->here_str0 ();
172 My_lily_parser::parser_error (String s)
174 here_input ().error (s);
179 My_lily_parser::pop_spot ()
181 return define_spots_.pop ();
185 My_lily_parser::here_input () const
188 Parsing looks ahead , so we really want the previous location of the
189 lexer, not lexer_->here_input ().
193 Actually, that gets very icky when there are white space, because
194 the line-numbers are all wrong. Let's try the character before
195 the current token. That gets the right result for note/duration
196 stuff, but doesn't mess up for errors in the 1st token of the
199 Input hi (lexer_->here_input ());
201 char const * bla = hi.defined_str0_;
202 if (hi.line_number () > 1
203 || hi.column_number () > 1)
206 return Input (hi.source_file_, bla);
210 /****************************************************************/
216 bool store_locations_global_b;
218 /* Do not append `!' suffix, since 1st argument is not modified. */
219 LY_DEFINE (ly_set_point_and_click, "ly:set-point-and-click",
221 "Set the options for Point-and-click source specials output. The\n"
222 "argument is a symbol. Possible options are @code{none} (no source specials),\n"
223 "@code{line} and @code{line-column}")
226 SCM val = SCM_BOOL_F;
227 if (ly_symbol2scm ("line-column") == what)
228 val = ly_scheme_function ("line-column-location");
229 else if (what == ly_symbol2scm ("line"))
230 val = ly_scheme_function ("line-location");
232 scm_module_define (global_lily_module, ly_symbol2scm ("point-and-click"),
234 store_locations_global_b = ly_c_procedure_p (val);
235 return SCM_UNSPECIFIED;
238 LY_DEFINE (ly_parse_file, "ly:parse-file",
240 "Parse a single @code{.ly} file. "
241 "Upon failure, throw @code{ly-file-failed} key.")
243 SCM_ASSERT_TYPE (ly_c_string_p (name), name, SCM_ARG1, __FUNCTION__, "string");
244 char const *file = SCM_STRING_CHARS (name);
245 char const *extensions[] = {"ly", "", 0};
246 String file_name = global_path.find (file, extensions);
248 /* By default, use base name of input file for output file name,
249 write output to cwd; do not use root and directory parts of input
251 File_name out_file_name (file_name);
252 out_file_name.ext_ = "";
253 out_file_name.root_ = "";
254 out_file_name.dir_ = "";
256 if (!output_name_global.is_empty ())
257 out_file_name = File_name (output_name_global);
260 if (!init_name_global.is_empty ())
261 init = init_name_global;
265 String out_file = out_file_name.to_string ();
267 if (init.length () && global_path.find (init).is_empty ())
269 warning (_f ("can't find init file: `%s'", init));
270 warning (_f ("(search path: `%s')",
271 global_path.to_string ().to_str0 ()));
275 if ((file_name != "-") && global_path.find (file_name).is_empty ())
277 warning (_f ("can't find file: `%s'", file_name));
278 scm_throw (ly_symbol2scm ("ly-file-failed"),
279 scm_list_1 (scm_makfrom0str (file_name.to_str0 ())));
284 sources.set_path (&global_path);
286 progress_indication (_f ("Now processing `%s'", file_name.to_str0 ()));
287 progress_indication ("\n");
289 My_lily_parser *parser = new My_lily_parser (&sources);
291 parser->parse_file (init, file_name, out_file);
293 bool error = parser->error_level_;
296 /* TODO: pass renamed input file too. */
297 scm_throw (ly_symbol2scm ("ly-file-failed"),
298 scm_list_1 (scm_makfrom0str (file_name.to_str0 ())));
300 return SCM_UNSPECIFIED;
303 LY_DEFINE (ly_parse_string, "ly:parse-string",
304 1, 0, 0, (SCM ly_code),
305 "Parse the string LY_CODE. "
306 "Upon failure, throw @code{ly-file-failed} key.")
308 SCM_ASSERT_TYPE (ly_c_string_p (ly_code), ly_code, SCM_ARG1, __FUNCTION__, "string");
311 sources.set_path (&global_path);
312 My_lily_parser *parser = new My_lily_parser (&sources);
313 scm_module_define (global_lily_module, ly_symbol2scm ("parser"),
314 parser->self_scm ());
315 parser->parse_string (ly_scm2string (ly_code));
318 return SCM_UNSPECIFIED;
321 LY_DEFINE (ly_clone_parser, "ly:clone-parser",
322 1, 0, 0, (SCM parser_smob),
323 "Return a clone of PARSER_SMOB.")
325 My_lily_parser *parser = unsmob_my_lily_parser (parser_smob);
326 My_lily_parser *clone = new My_lily_parser (*parser);
328 /* FIXME: should copy scopes too. */
329 return scm_gc_unprotect_object (clone->self_scm ());
332 LY_DEFINE (ly_parser_define, "ly:parser-define",
333 3, 0, 0, (SCM parser_smob, SCM symbol, SCM val),
334 "Bind SYMBOL to VAL in PARSER_SMOB's module.")
336 My_lily_parser *parser = unsmob_my_lily_parser (parser_smob);
337 SCM_ASSERT_TYPE (ly_c_symbol_p (symbol), symbol, SCM_ARG2, __FUNCTION__, "symbol");
338 SCM_ASSERT_TYPE (parser, parser_smob, SCM_ARG2, __FUNCTION__, "parser");
341 parser->lexer_->set_identifier (scm_symbol_to_string (symbol), val);
342 return SCM_UNSPECIFIED;
345 LY_DEFINE (ly_parser_lookup, "ly:parser-lookup",
346 2, 0, 0, (SCM parser_smob, SCM symbol),
347 "Lookup @var{symbol} in @var{parser_smob}'s module. "
350 My_lily_parser *parser = unsmob_my_lily_parser (parser_smob);
352 SCM_ASSERT_TYPE (ly_c_symbol_p (symbol), symbol, SCM_ARG2, __FUNCTION__, "symbol");
353 SCM_ASSERT_TYPE (parser, parser_smob, SCM_ARG2, __FUNCTION__, "parser");
355 SCM val= parser->lexer_->lookup_identifier (ly_scm2string (scm_symbol_to_string (symbol)));
356 if (val != SCM_UNDEFINED)
362 LY_DEFINE (ly_parser_parse_string, "ly:parser-parse-string",
363 2, 0, 0, (SCM parser_smob, SCM ly_code),
364 "Parse the string LY_CODE with PARSER_SMOB."
365 "Upon failure, throw @code{ly-file-failed} key.")
367 My_lily_parser *parser = unsmob_my_lily_parser (parser_smob);
369 SCM_ASSERT_TYPE (parser, parser_smob, SCM_ARG1, __FUNCTION__, "parser");
370 SCM_ASSERT_TYPE (ly_c_string_p (ly_code), ly_code, SCM_ARG2, __FUNCTION__, "string");
372 parser->parse_string (ly_scm2string (ly_code));
374 return SCM_UNSPECIFIED;
378 get_paper (My_lily_parser *parser)
380 SCM id = parser->lexer_->lookup_identifier ("$defaultpaper");
381 Output_def *paper = unsmob_output_def (id);
382 paper = paper ? paper->clone () : new Output_def;
383 paper->set_variable (ly_symbol2scm ("is-paper"), SCM_BOOL_T);
385 paper->parent_ = unsmob_output_def (parser->lexer_->lookup_identifier ("$defaultbookpaper"));
391 get_midi (My_lily_parser *parser)
393 SCM id = parser->lexer_->lookup_identifier ("$defaultmidi");
394 Output_def *paper = unsmob_output_def (id);
395 paper = paper ? paper->clone () : new Output_def;
396 paper->set_variable (ly_symbol2scm ("is-midi"), SCM_BOOL_T);
402 get_bookpaper (My_lily_parser *parser)
404 SCM id = parser->lexer_->lookup_identifier ("$defaultbookpaper");
405 Output_def *paper = unsmob_output_def (id);
407 paper = paper ? dynamic_cast<Output_def*> (paper->clone ()) : new Output_def;
408 paper->set_variable (ly_symbol2scm ("is-bookpaper"), SCM_BOOL_T);
413 /* TODO: move this to Scheme? Why take the parser arg, and all the back
414 & forth between scm and c++? */
415 LY_DEFINE (ly_parser_print_score, "ly:parser-print-score",
417 (SCM parser_smob, SCM score_smob),
418 "Print score, i.e., the classic way.")
420 My_lily_parser *parser = unsmob_my_lily_parser (parser_smob);
421 Score *score = unsmob_score (score_smob);
423 SCM_ASSERT_TYPE (parser, parser_smob, SCM_ARG1, __FUNCTION__, "parser");
424 SCM_ASSERT_TYPE (score, score_smob, SCM_ARG2, __FUNCTION__, "score");
426 SCM header = ly_c_module_p (score->header_) ? score->header_
427 : parser->lexer_->lookup_identifier ("$globalheader");
429 File_name outname (parser->output_basename_);
430 int *c = &parser->book_count_;
432 outname.base_ += "-" + to_string (*c);
435 SCM os = scm_makfrom0str (outname.to_string ().to_str0 ());
436 SCM bookpaper = get_bookpaper (parser)->self_scm ();
437 for (int i = 0; i < score->defs_.size (); i++)
438 default_rendering (score->music_, score->defs_[i]->self_scm (),
442 if (score->defs_.is_empty ())
444 Output_def *paper = get_paper (parser);
445 default_rendering (score->music_, paper->self_scm (),
446 get_bookpaper (parser)->self_scm (),
448 scm_gc_unprotect_object (paper->self_scm ());
450 return SCM_UNSPECIFIED;
454 LY_DEFINE (ly_parser_set_note_names, "ly:parser-set-note-names",
455 2, 0, 0, (SCM parser, SCM names),
456 "Replace current note names in @var{parser}. "
457 "@var{names} is an alist of symbols. "
458 "This only has effect if the current mode is notes.")
460 My_lily_parser *p = unsmob_my_lily_parser (parser);
461 SCM_ASSERT_TYPE(p, parser, SCM_ARG1, __FUNCTION__, "Lilypond parser");
463 if (p->lexer_->is_note_state ())
465 p->lexer_->pop_state ();
466 p->lexer_->push_note_state (alist_to_hashq (names));
469 return SCM_UNSPECIFIED;
472 LY_DEFINE (ly_parser_print_book, "ly:parser-print-book",
473 2, 0, 0, (SCM parser_smob, SCM book_smob),
476 My_lily_parser *parser = unsmob_my_lily_parser (parser_smob);
477 Book *book = unsmob_book (book_smob);
478 Output_def *bp = unsmob_output_def (parser->lexer_->lookup_identifier ("$defaultbookpaper"));
480 SCM_ASSERT_TYPE (parser, parser_smob, SCM_ARG1, __FUNCTION__, "Lilypond parser");
481 SCM_ASSERT_TYPE (book, book_smob, SCM_ARG2, __FUNCTION__, "Book");
483 /* ugh. changing argument.*/
484 book->bookpaper_ = bp;
486 File_name outname (parser->output_basename_);
487 int *c = &parser->book_count_;
489 outname.base_ += "-" + to_string (*c);
492 Output_def *paper = get_paper (parser);
494 Paper_book* pb = book->process (outname.to_string (), paper);
496 pb->output (outname.to_string ());
498 scm_gc_unprotect_object (paper->self_scm ());
499 scm_gc_unprotect_object (pb->self_scm ());
501 return SCM_UNSPECIFIED;