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 "book-paper-def.hh"
12 #include "file-name.hh"
13 #include "file-path.hh"
14 #include "lily-version.hh"
15 #include "ly-module.hh"
16 #include "ly-smobs.icc"
18 #include "my-lily-lexer.hh"
19 #include "my-lily-parser.hh"
20 #include "paper-def.hh"
23 #include "scm-hash.hh"
29 My_lily_parser::My_lily_parser (Sources *sources)
35 default_duration_ = Duration (2,0);
37 last_beam_start_ = SCM_EOL;
40 header_ = ly_make_anonymous_module (false);
44 My_lily_parser::My_lily_parser (My_lily_parser const &src)
46 book_count_ = src.book_count_;
47 score_count_ = src.score_count_;
49 sources_ = src.sources_;
50 default_duration_ = src.default_duration_;
51 error_level_ = src.error_level_;
52 last_beam_start_ = src.last_beam_start_;
53 header_ = src.header_;
58 My_lily_parser::~My_lily_parser ()
63 IMPLEMENT_SMOBS (My_lily_parser);
64 IMPLEMENT_TYPE_P (My_lily_parser, "ly:my-lily-parser?");
65 IMPLEMENT_DEFAULT_EQUAL_P (My_lily_parser);
68 My_lily_parser::mark_smob (SCM s)
70 My_lily_parser *parser = (My_lily_parser*) ly_cdr (s);
71 return parser->header_;
75 My_lily_parser::print_smob (SCM s, SCM port, scm_print_state*)
77 scm_puts ("#<my_lily_parser ", port);
78 My_lily_parser *parser = (My_lily_parser*) ly_cdr (s);
80 scm_puts (" >", port);
85 /* Process one .ly file, or book. */
87 My_lily_parser::parse_file (String init, String name, String out_name)
89 lexer_ = new My_lily_lexer (sources_);
90 output_basename_ = out_name;
92 lexer_->main_input_name_ = name;
94 progress_indication (_ ("Parsing..."));
95 progress_indication ("\n");
98 lexer_->new_input (init, sources_);
100 /* Read .ly IN_FILE, lex, parse, write \score blocks from IN_FILE to
101 OUT_FILE (unless IN_FILE redefines output file name). */
104 if (!define_spots_.is_empty ())
106 define_spots_.top ().warning (_ ("Braces don't match"));
110 error_level_ = error_level_ | lexer_->error_level_;
114 My_lily_parser::parse_string (String ly_code)
116 My_lily_lexer *parent = lexer_;
117 lexer_ = (parent == 0 ? new My_lily_lexer (sources_)
118 : new My_lily_lexer (*parent));
120 lexer_->main_input_name_ = "<string>";
121 lexer_->main_input_b_ = true;
124 lexer_->new_input (lexer_->main_input_name_, ly_code, sources_);
127 if (!define_spots_.is_empty ())
129 define_spots_.top ().warning (_ ("Braces don't match"));
133 error_level_ = error_level_ | lexer_->error_level_;
137 parent->keytable_ = lexer_->keytable_;
138 parent->encoding_ = lexer_->encoding_;
139 parent->chordmodifier_tab_ = lexer_->chordmodifier_tab_;
140 parent->pitchname_tab_stack_ = lexer_->pitchname_tab_stack_;
141 parent->sources_ = lexer_->sources_;
142 parent->scopes_ = lexer_->scopes_;
143 parent->error_level_ = lexer_->error_level_;
144 parent->main_input_b_ = lexer_->main_input_b_;
149 My_lily_parser::push_spot ()
151 define_spots_.push (here_input ());
155 My_lily_parser::here_str0 () const
157 return lexer_->here_str0 ();
161 My_lily_parser::parser_error (String s)
163 here_input ().error (s);
168 My_lily_parser::pop_spot ()
170 return define_spots_.pop ();
174 My_lily_parser::here_input () const
177 Parsing looks ahead , so we really want the previous location of the
178 lexer, not lexer_->here_input ().
182 Actually, that gets very icky when there are white space, because
183 the line-numbers are all wrong. Let's try the character before
184 the current token. That gets the right result for note/duration
185 stuff, but doesn't mess up for errors in the 1st token of the
188 Input hi (lexer_->here_input ());
190 char const * bla = hi.defined_str0_;
191 if (hi.line_number () > 1
192 || hi.column_number () > 1)
195 return Input (hi.source_file_, bla);
199 /****************************************************************/
205 bool store_locations_global_b;
207 /* Do not append `!' suffix, since 1st argument is not modified. */
208 LY_DEFINE (ly_set_point_and_click, "ly:set-point-and-click", 1, 0, 0,
210 "Set the options for Point-and-click source specials output. The\n"
211 "argument is a symbol. Possible options are @code{none} (no source specials),\n"
212 "@code{line} and @code{line-column}")
215 SCM val = SCM_BOOL_F;
216 if (ly_symbol2scm ("line-column") == what)
217 val = ly_scheme_function ("line-column-location");
218 else if (what == ly_symbol2scm ("line"))
219 val = ly_scheme_function ("line-location");
221 scm_module_define (global_lily_module, ly_symbol2scm ("point-and-click"),
223 store_locations_global_b = ly_c_procedure_p (val);
224 return SCM_UNSPECIFIED;
227 LY_DEFINE (ly_parse_file, "ly:parse-file",
230 "Parse a single @code{.ly} file. "
231 "Upon failure, throw @code{ly-file-failed} key.")
233 SCM_ASSERT_TYPE (ly_c_string_p (name), name, SCM_ARG1, __FUNCTION__, "string");
234 char const *file = SCM_STRING_CHARS (name);
235 char const *extensions[] = {"ly", "", 0};
236 String file_name = global_path.find (file, extensions);
238 /* By default, use base name of input file for output file name,
239 write output to cwd; do not use root and directory parts of input
241 File_name out_file_name (file_name);
242 if (file_name != "-")
243 out_file_name.ext_ = output_format_global;
244 out_file_name.root_ = "";
245 out_file_name.dir_ = "";
247 if (!output_name_global.is_empty ())
248 out_file_name = File_name (output_name_global);
251 if (!init_name_global.is_empty ())
252 init = init_name_global;
256 String out_file = out_file_name.to_string ();
258 if (init.length () && global_path.find (init).is_empty ())
260 warning (_f ("can't find init file: `%s'", init));
261 warning (_f ("(search path: `%s')",
262 global_path.to_string ().to_str0 ()));
266 if ((file_name != "-") && global_path.find (file_name).is_empty ())
268 warning (_f ("can't find file: `%s'", file_name));
269 scm_throw (ly_symbol2scm ("ly-file-failed"),
270 scm_list_1 (scm_makfrom0str (file_name.to_str0 ())));
275 sources.set_path (&global_path);
277 progress_indication (_f ("Now processing `%s'", file_name.to_str0 ()));
278 progress_indication ("\n");
280 My_lily_parser *parser = new My_lily_parser (&sources);
281 scm_module_define (global_lily_module, ly_symbol2scm ("parser"),
282 parser->self_scm ());
283 parser->parse_file (init, file_name, out_file);
285 bool error = parser->error_level_;
288 /* TODO: pass renamed input file too. */
289 scm_throw (ly_symbol2scm ("ly-file-failed"),
290 scm_list_1 (scm_makfrom0str (file_name.to_str0 ())));
292 return SCM_UNSPECIFIED;
295 LY_DEFINE (ly_parse_string, "ly:parse-string",
298 "Parse the string LY_CODE. "
299 "Upon failure, throw @code{ly-file-failed} key.")
301 SCM_ASSERT_TYPE (ly_c_string_p (ly_code), ly_code, SCM_ARG1, __FUNCTION__, "string");
304 sources.set_path (&global_path);
305 My_lily_parser *parser = new My_lily_parser (&sources);
306 scm_module_define (global_lily_module, ly_symbol2scm ("parser"),
307 parser->self_scm ());
308 parser->parse_string (ly_scm2string (ly_code));
311 return SCM_UNSPECIFIED;
314 LY_DEFINE (ly_clone_parser, "ly:clone-parser",
317 "Return a clone of PARSER_SMOB.")
319 My_lily_parser *parser = unsmob_my_lily_parser (parser_smob);
320 My_lily_parser *clone = new My_lily_parser (*parser);
321 return scm_gc_unprotect_object (clone->self_scm ());
324 LY_DEFINE(ly_parser_define, "ly:parser-define",
326 (SCM parser_smob, SCM symbol, SCM val),
327 "Bind SYMBOL to VAL in PARSER_SMOB's module.")
329 My_lily_parser *parser = unsmob_my_lily_parser (parser_smob);
330 SCM_ASSERT_TYPE (ly_c_symbol_p (symbol), symbol, SCM_ARG2, __FUNCTION__, "symbol");
331 SCM_ASSERT_TYPE (parser, parser_smob, SCM_ARG2, __FUNCTION__, "parser");
334 parser->lexer_->set_identifier (scm_symbol_to_string (symbol), val);
335 return SCM_UNSPECIFIED;
337 LY_DEFINE(ly_parser_lookup, "ly:parser-lookup",
339 (SCM parser_smob, SCM symbol),
340 "Lookup @var{symbol} in @var{parser_smob}'s module. Undefined is '().")
342 My_lily_parser *parser = unsmob_my_lily_parser (parser_smob);
344 SCM_ASSERT_TYPE (ly_c_symbol_p (symbol), symbol, SCM_ARG2, __FUNCTION__, "symbol");
345 SCM_ASSERT_TYPE (parser, parser_smob, SCM_ARG2, __FUNCTION__, "parser");
347 SCM val= parser->lexer_->lookup_identifier (ly_scm2string (scm_symbol_to_string (symbol)));
348 if (val != SCM_UNDEFINED)
354 LY_DEFINE (ly_parser_parse_string, "ly:parser-parse-string",
356 (SCM parser_smob, SCM ly_code),
357 "Parse the string LY_CODE with PARSER_SMOB."
358 "Upon failure, throw @code{ly-file-failed} key.")
361 My_lily_parser *parser = unsmob_my_lily_parser (parser_smob);
363 SCM_ASSERT_TYPE (parser, parser_smob, SCM_ARG1, __FUNCTION__, "parser");
364 SCM_ASSERT_TYPE (ly_c_string_p (ly_code), ly_code, SCM_ARG2, __FUNCTION__, "string");
366 parser->parse_string (ly_scm2string (ly_code));
368 return SCM_UNSPECIFIED;
372 get_paper (My_lily_parser *parser)
374 SCM id = parser->lexer_->lookup_identifier ("$defaultpaper");
375 Music_output_def *paper = unsmob_music_output_def (id);
376 return paper ? paper->clone () : new Paper_def;
381 get_bookpaper (My_lily_parser *parser)
383 SCM id = parser->lexer_->lookup_identifier ("$defaultbookpaper");
384 Book_paper_def *paper = unsmob_bookpaper (id);
385 return paper->clone ();
390 TODO: move this to Scheme? Why take the parser arg, and all the back
391 & forth between scm and c++?
393 LY_DEFINE (ly_parser_print_score, "ly:parser-print-score",
395 (SCM parser_smob, SCM score_smob),
396 "Print score, i.e., the classic way.")
398 My_lily_parser *parser = unsmob_my_lily_parser (parser_smob);
399 Score *score = unsmob_score (score_smob);
401 SCM_ASSERT_TYPE (parser, parser_smob, SCM_ARG1, __FUNCTION__, "parser");
402 SCM_ASSERT_TYPE (score, score_smob, SCM_ARG2, __FUNCTION__, "score");
404 SCM header = is_module (score->header_) ? score->header_
405 : parser->header_.to_SCM ();
407 File_name outname (parser->output_basename_);
408 int *c = &parser->book_count_;
410 outname.base_ += "-" + to_string (*c);
413 SCM os = scm_makfrom0str (outname.to_string ().to_str0 ());
414 for (int i = 0; i < score->defs_.size (); i++)
415 default_rendering (score->music_, score->defs_[i]->self_scm (),
416 get_bookpaper (parser)->self_scm (),
419 if (score->defs_.is_empty ())
421 Music_output_def *paper = get_paper (parser);
422 default_rendering (score->music_, paper->self_scm (),
423 get_bookpaper (parser)->self_scm (),
425 scm_gc_unprotect_object (paper->self_scm ());
427 return SCM_UNDEFINED;
430 LY_DEFINE (ly_parser_print_book, "ly:parser-print-book",
432 (SCM parser_smob, SCM book_smob),
435 My_lily_parser *parser = unsmob_my_lily_parser (parser_smob);
436 Book *book = unsmob_book (book_smob);
437 Book_paper_def *bp = unsmob_bookpaper (parser->lexer_->lookup_identifier ("$defaultbookpaper"));
439 SCM_ASSERT_TYPE (parser, parser_smob, SCM_ARG1, __FUNCTION__, "Lilypond parser");
440 SCM_ASSERT_TYPE (book, book_smob, SCM_ARG2, __FUNCTION__, "Book");
442 book->bookpaper_ = bp; // ugh. changing argument.
444 SCM header = parser->header_;
445 File_name outname (parser->output_basename_);
446 int *c = &parser->book_count_;
448 outname.base_ += "-" + to_string (*c);
450 Music_output_def *paper = get_paper (parser);
451 book->process (outname.to_string (), paper, header);
452 scm_gc_unprotect_object (paper->self_scm ());
453 return SCM_UNDEFINED;