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_;
56 lexer_ = new My_lily_lexer (*src.lexer_);
59 My_lily_parser::~My_lily_parser ()
61 // FIXME: Memleak: del lexer
64 IMPLEMENT_SMOBS (My_lily_parser);
65 IMPLEMENT_TYPE_P (My_lily_parser, "ly:my-lily-parser?");
66 IMPLEMENT_DEFAULT_EQUAL_P (My_lily_parser);
69 My_lily_parser::mark_smob (SCM s)
71 My_lily_parser *parser = (My_lily_parser*) ly_cdr (s);
72 return parser->header_;
76 My_lily_parser::print_smob (SCM s, SCM port, scm_print_state*)
78 scm_puts ("#<my_lily_parser ", port);
79 My_lily_parser *parser = (My_lily_parser*) ly_cdr (s);
81 scm_puts (" >", port);
86 /* Process one .ly file, or book. */
88 My_lily_parser::parse_file (String init, String name, String out_name)
90 lexer_ = new My_lily_lexer (sources_);
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));
123 lexer_->main_input_name_ = "<string>";
124 lexer_->main_input_b_ = true;
127 lexer_->new_input (lexer_->main_input_name_, ly_code, sources_);
130 if (!define_spots_.is_empty ())
132 define_spots_.top ().warning (_ ("Braces don't match"));
136 error_level_ = error_level_ | lexer_->error_level_;
140 parent->keytable_ = lexer_->keytable_;
141 parent->encoding_ = lexer_->encoding_;
142 parent->chordmodifier_tab_ = lexer_->chordmodifier_tab_;
143 parent->pitchname_tab_stack_ = lexer_->pitchname_tab_stack_;
144 parent->sources_ = lexer_->sources_;
145 parent->scopes_ = lexer_->scopes_;
146 parent->error_level_ = lexer_->error_level_;
147 parent->main_input_b_ = lexer_->main_input_b_;
152 My_lily_parser::push_spot ()
154 define_spots_.push (here_input ());
158 My_lily_parser::here_str0 () const
160 return lexer_->here_str0 ();
164 My_lily_parser::parser_error (String s)
166 here_input ().error (s);
171 My_lily_parser::pop_spot ()
173 return define_spots_.pop ();
177 My_lily_parser::here_input () const
180 Parsing looks ahead , so we really want the previous location of the
181 lexer, not lexer_->here_input ().
185 Actually, that gets very icky when there are white space, because
186 the line-numbers are all wrong. Let's try the character before
187 the current token. That gets the right result for note/duration
188 stuff, but doesn't mess up for errors in the 1st token of the
191 Input hi (lexer_->here_input ());
193 char const * bla = hi.defined_str0_;
194 if (hi.line_number () > 1
195 || hi.column_number () > 1)
198 return Input (hi.source_file_, bla);
202 /****************************************************************/
208 bool store_locations_global_b;
210 /* Do not append `!' suffix, since 1st argument is not modified. */
211 LY_DEFINE (ly_set_point_and_click, "ly:set-point-and-click", 1, 0, 0,
213 "Set the options for Point-and-click source specials output. The\n"
214 "argument is a symbol. Possible options are @code{none} (no source specials),\n"
215 "@code{line} and @code{line-column}")
218 SCM val = SCM_BOOL_F;
219 if (ly_symbol2scm ("line-column") == what)
220 val = ly_scheme_function ("line-column-location");
221 else if (what == ly_symbol2scm ("line"))
222 val = ly_scheme_function ("line-location");
224 scm_module_define (global_lily_module, ly_symbol2scm ("point-and-click"),
226 store_locations_global_b = ly_c_procedure_p (val);
227 return SCM_UNSPECIFIED;
230 LY_DEFINE (ly_parse_file, "ly:parse-file",
233 "Parse a single @code{.ly} file. "
234 "Upon failure, throw @code{ly-file-failed} key.")
236 SCM_ASSERT_TYPE (ly_c_string_p (name), name, SCM_ARG1, __FUNCTION__, "string");
237 char const *file = SCM_STRING_CHARS (name);
238 char const *extensions[] = {"ly", "", 0};
239 String file_name = global_path.find (file, extensions);
241 /* By default, use base name of input file for output file name,
242 write output to cwd; do not use root and directory parts of input
244 File_name out_file_name (file_name);
245 if (file_name != "-")
246 out_file_name.ext_ = output_format_global;
247 out_file_name.root_ = "";
248 out_file_name.dir_ = "";
250 if (!output_name_global.is_empty ())
251 out_file_name = File_name (output_name_global);
254 if (!init_name_global.is_empty ())
255 init = init_name_global;
259 String out_file = out_file_name.to_string ();
261 if (init.length () && global_path.find (init).is_empty ())
263 warning (_f ("can't find init file: `%s'", init));
264 warning (_f ("(search path: `%s')",
265 global_path.to_string ().to_str0 ()));
269 if ((file_name != "-") && global_path.find (file_name).is_empty ())
271 warning (_f ("can't find file: `%s'", file_name));
272 scm_throw (ly_symbol2scm ("ly-file-failed"),
273 scm_list_1 (scm_makfrom0str (file_name.to_str0 ())));
278 sources.set_path (&global_path);
280 progress_indication (_f ("Now processing `%s'", file_name.to_str0 ()));
281 progress_indication ("\n");
283 My_lily_parser *parser = new My_lily_parser (&sources);
284 scm_module_define (global_lily_module, ly_symbol2scm ("parser"),
285 parser->self_scm ());
286 parser->parse_file (init, file_name, out_file);
288 bool error = parser->error_level_;
291 /* TODO: pass renamed input file too. */
292 scm_throw (ly_symbol2scm ("ly-file-failed"),
293 scm_list_1 (scm_makfrom0str (file_name.to_str0 ())));
295 return SCM_UNSPECIFIED;
298 LY_DEFINE (ly_parse_string, "ly:parse-string",
301 "Parse the string LY_CODE. "
302 "Upon failure, throw @code{ly-file-failed} key.")
304 SCM_ASSERT_TYPE (ly_c_string_p (ly_code), ly_code, SCM_ARG1, __FUNCTION__, "string");
307 sources.set_path (&global_path);
308 My_lily_parser *parser = new My_lily_parser (&sources);
309 scm_module_define (global_lily_module, ly_symbol2scm ("parser"),
310 parser->self_scm ());
311 parser->parse_string (ly_scm2string (ly_code));
314 return SCM_UNSPECIFIED;
317 LY_DEFINE (ly_clone_parser, "ly:clone-parser",
320 "Return a clone of PARSER_SMOB.")
322 My_lily_parser *parser = unsmob_my_lily_parser (parser_smob);
323 My_lily_parser *clone = new My_lily_parser (*parser);
324 return scm_gc_unprotect_object (clone->self_scm ());
327 LY_DEFINE(ly_parser_define, "ly:parser-define",
329 (SCM parser_smob, SCM symbol, SCM val),
330 "Bind SYMBOL to VAL in PARSER_SMOB's module.")
332 My_lily_parser *parser = unsmob_my_lily_parser (parser_smob);
333 SCM_ASSERT_TYPE (ly_c_symbol_p (symbol), symbol, SCM_ARG2, __FUNCTION__, "symbol");
334 SCM_ASSERT_TYPE (parser, parser_smob, SCM_ARG2, __FUNCTION__, "parser");
337 parser->lexer_->set_identifier (scm_symbol_to_string (symbol), val);
338 return SCM_UNSPECIFIED;
340 LY_DEFINE(ly_parser_lookup, "ly:parser-lookup",
342 (SCM parser_smob, SCM symbol),
343 "Lookup @var{symbol} in @var{parser_smob}'s module. Undefined is '().")
345 My_lily_parser *parser = unsmob_my_lily_parser (parser_smob);
347 SCM_ASSERT_TYPE (ly_c_symbol_p (symbol), symbol, SCM_ARG2, __FUNCTION__, "symbol");
348 SCM_ASSERT_TYPE (parser, parser_smob, SCM_ARG2, __FUNCTION__, "parser");
350 SCM val= parser->lexer_->lookup_identifier (ly_scm2string (scm_symbol_to_string (symbol)));
351 if (val != SCM_UNDEFINED)
357 LY_DEFINE (ly_parser_parse_string, "ly:parser-parse-string",
359 (SCM parser_smob, SCM ly_code),
360 "Parse the string LY_CODE with PARSER_SMOB."
361 "Upon failure, throw @code{ly-file-failed} key.")
364 My_lily_parser *parser = unsmob_my_lily_parser (parser_smob);
366 SCM_ASSERT_TYPE (parser, parser_smob, SCM_ARG1, __FUNCTION__, "parser");
367 SCM_ASSERT_TYPE (ly_c_string_p (ly_code), ly_code, SCM_ARG2, __FUNCTION__, "string");
369 parser->parse_string (ly_scm2string (ly_code));
371 return SCM_UNSPECIFIED;
375 get_paper (My_lily_parser *parser)
377 SCM id = parser->lexer_->lookup_identifier ("$defaultpaper");
378 Music_output_def *paper = unsmob_music_output_def (id);
379 return paper ? paper->clone () : new Paper_def;
384 get_bookpaper (My_lily_parser *parser)
386 SCM id = parser->lexer_->lookup_identifier ("$defaultbookpaper");
387 Book_paper_def *paper = unsmob_book_paper_def (id);
388 return paper->clone ();
393 TODO: move this to Scheme? Why take the parser arg, and all the back
394 & forth between scm and c++?
396 LY_DEFINE (ly_parser_print_score, "ly:parser-print-score",
398 (SCM parser_smob, SCM score_smob),
399 "Print score, i.e., the classic way.")
401 My_lily_parser *parser = unsmob_my_lily_parser (parser_smob);
402 Score *score = unsmob_score (score_smob);
404 SCM_ASSERT_TYPE (parser, parser_smob, SCM_ARG1, __FUNCTION__, "parser");
405 SCM_ASSERT_TYPE (score, score_smob, SCM_ARG2, __FUNCTION__, "score");
407 SCM header = is_module (score->header_) ? score->header_
408 : parser->header_.to_SCM ();
410 File_name outname (parser->output_basename_);
411 int *c = &parser->book_count_;
413 outname.base_ += "-" + to_string (*c);
416 SCM os = scm_makfrom0str (outname.to_string ().to_str0 ());
417 for (int i = 0; i < score->defs_.size (); i++)
418 default_rendering (score->music_, score->defs_[i]->self_scm (),
419 get_bookpaper (parser)->self_scm (),
422 if (score->defs_.is_empty ())
424 Music_output_def *paper = get_paper (parser);
425 default_rendering (score->music_, paper->self_scm (),
426 get_bookpaper (parser)->self_scm (),
428 scm_gc_unprotect_object (paper->self_scm ());
430 return SCM_UNDEFINED;
433 LY_DEFINE (ly_parser_print_book, "ly:parser-print-book",
435 (SCM parser_smob, SCM book_smob),
438 My_lily_parser *parser = unsmob_my_lily_parser (parser_smob);
439 Book *book = unsmob_book (book_smob);
440 Book_paper_def *bp = unsmob_book_paper_def (parser->lexer_->lookup_identifier ("$defaultbookpaper"));
442 SCM_ASSERT_TYPE (parser, parser_smob, SCM_ARG1, __FUNCTION__, "Lilypond parser");
443 SCM_ASSERT_TYPE (book, book_smob, SCM_ARG2, __FUNCTION__, "Book");
445 /* ugh. changing argument.*/
446 book->bookpaper_ = bp;
448 SCM header = parser->header_;
449 File_name outname (parser->output_basename_);
450 int *c = &parser->book_count_;
452 outname.base_ += "-" + to_string (*c);
454 Music_output_def *paper = get_paper (parser);
455 book->process (outname.to_string (), paper, header);
456 scm_gc_unprotect_object (paper->self_scm ());
457 return SCM_UNDEFINED;