2 lily-parser-scheme.cc -- implement Lily_parser bindings
4 source file of the GNU LilyPond music typesetter
6 (c) 2005 Han-Wen Nienhuys <hanwen@xs4all.nl>
10 #include "file-name.hh"
11 #include "file-path.hh"
13 #include "lily-parser.hh"
16 #include "lily-lexer.hh"
18 #include "lilypond-key.hh"
19 #include "ly-module.hh"
20 #include "output-def.hh"
22 #include "paper-book.hh"
24 /* Do not append `!' suffix, since 1st argument is not modified. */
25 LY_DEFINE (ly_set_point_and_click, "ly:set-point-and-click",
30 warning ("ly:set-point-and-click called");
31 return SCM_UNSPECIFIED;
34 LY_DEFINE (ly_parse_file, "ly:parse-file",
36 "Parse a single @code{.ly} file. "
37 "Upon failure, throw @code{ly-file-failed} key.")
39 SCM_ASSERT_TYPE (scm_is_string (name), name, SCM_ARG1, __FUNCTION__, "string");
40 char const *file = scm_i_string_chars (name);
41 char const *extensions[] = {"ly", "", 0};
43 String file_name = global_path.find (file, extensions);
45 /* By default, use base name of input file for output file name,
46 write output to cwd; do not use root and directory parts of input
48 File_name out_file_name (file_name);
50 global_path.append (out_file_name.dir_);
52 out_file_name.ext_ = "";
53 out_file_name.root_ = "";
54 out_file_name.dir_ = "";
56 if (!output_name_global.is_empty ())
57 out_file_name = File_name (output_name_global);
60 if (!init_name_global.is_empty ())
61 init = init_name_global;
65 String out_file = out_file_name.to_string ();
67 if (init.length () && global_path.find (init).is_empty ())
69 warning (_f ("can't find init file: `%s'", init));
70 warning (_f ("(search path: `%s')",
71 global_path.to_string ().to_str0 ()));
75 if ((file_name != "-") && global_path.find (file_name).is_empty ())
77 warning (_f ("can't find file: `%s'", file_name));
78 scm_throw (ly_symbol2scm ("ly-file-failed"),
79 scm_list_1 (scm_makfrom0str (file_name.to_str0 ())));
84 sources.set_path (&global_path);
86 progress_indication (_f ("Processing `%s'", file_name.to_str0 ()));
87 progress_indication ("\n");
89 Lily_parser *parser = new Lily_parser (&sources);
91 parser->parse_file (init, file_name, out_file);
93 bool error = parser->error_level_;
94 scm_gc_unprotect_object (parser->self_scm ());
97 /* TODO: pass renamed input file too. */
98 scm_throw (ly_symbol2scm ("ly-file-failed"),
99 scm_list_1 (scm_makfrom0str (file_name.to_str0 ())));
101 return SCM_UNSPECIFIED;
104 LY_DEFINE (ly_parse_string, "ly:parse-string",
105 1, 0, 0, (SCM ly_code),
106 "Parse the string LY_CODE. "
107 "Upon failure, throw @code{ly-file-failed} key.")
109 SCM_ASSERT_TYPE (scm_is_string (ly_code), ly_code, SCM_ARG1, __FUNCTION__, "string");
112 sources.set_path (&global_path);
113 Lily_parser *parser = new Lily_parser (&sources);
114 scm_module_define (global_lily_module, ly_symbol2scm ("parser"),
115 parser->self_scm ());
116 parser->parse_string (ly_scm2string (ly_code));
117 scm_gc_unprotect_object (parser->self_scm ());
120 return SCM_UNSPECIFIED;
123 LY_DEFINE (ly_clone_parser, "ly:clone-parser",
124 1, 0, 0, (SCM parser_smob),
125 "Return a clone of PARSER_SMOB.")
127 Lily_parser *parser = unsmob_my_lily_parser (parser_smob);
128 Lily_parser *clone = new Lily_parser (*parser);
130 /* FIXME: should copy scopes too. */
131 return scm_gc_unprotect_object (clone->self_scm ());
134 LY_DEFINE (ly_parser_define, "ly:parser-define",
135 3, 0, 0, (SCM parser_smob, SCM symbol, SCM val),
136 "Bind SYMBOL to VAL in PARSER_SMOB's module.")
138 Lily_parser *parser = unsmob_my_lily_parser (parser_smob);
139 SCM_ASSERT_TYPE (scm_is_symbol (symbol), symbol, SCM_ARG2, __FUNCTION__, "symbol");
140 SCM_ASSERT_TYPE (parser, parser_smob, SCM_ARG2, __FUNCTION__, "parser");
142 parser->lexer_->set_identifier (scm_symbol_to_string (symbol), val);
143 return SCM_UNSPECIFIED;
146 LY_DEFINE (ly_parser_lookup, "ly:parser-lookup",
147 2, 0, 0, (SCM parser_smob, SCM symbol),
148 "Lookup @var{symbol} in @var{parser_smob}'s module. "
151 Lily_parser *parser = unsmob_my_lily_parser (parser_smob);
153 SCM_ASSERT_TYPE (scm_is_symbol (symbol), symbol, SCM_ARG2, __FUNCTION__, "symbol");
154 SCM_ASSERT_TYPE (parser, parser_smob, SCM_ARG2, __FUNCTION__, "parser");
156 SCM val = parser->lexer_->lookup_identifier (ly_scm2string (scm_symbol_to_string (symbol)));
157 if (val != SCM_UNDEFINED)
163 LY_DEFINE (ly_parser_parse_string, "ly:parser-parse-string",
164 2, 0, 0, (SCM parser_smob, SCM ly_code),
165 "Parse the string LY_CODE with PARSER_SMOB."
166 "Upon failure, throw @code{ly-file-failed} key.")
168 Lily_parser *parser = unsmob_my_lily_parser (parser_smob);
170 SCM_ASSERT_TYPE (parser, parser_smob, SCM_ARG1, __FUNCTION__, "parser");
171 SCM_ASSERT_TYPE (scm_is_string (ly_code), ly_code, SCM_ARG2, __FUNCTION__, "string");
173 parser->parse_string (ly_scm2string (ly_code));
175 return SCM_UNSPECIFIED;
178 /* TODO: move this to Scheme? Why take the parser arg, and all the back
179 & forth between scm and c++? */
180 LY_DEFINE (ly_parser_print_score, "ly:parser-print-score",
182 (SCM parser_smob, SCM score_smob),
183 "Print score, i.e., the classic way.")
185 Lily_parser *parser = unsmob_my_lily_parser (parser_smob);
186 Score *score = unsmob_score (score_smob);
188 Object_key * key = new Lilypond_general_key (0, score->user_key_, 0);
190 if (score->error_found_)
191 return SCM_UNSPECIFIED;
193 SCM_ASSERT_TYPE (parser, parser_smob, SCM_ARG1, __FUNCTION__, "parser");
194 SCM_ASSERT_TYPE (score, score_smob, SCM_ARG2, __FUNCTION__, "score");
196 SCM header = ly_c_module_p (score->header_) ? score->header_
197 : parser->lexer_->lookup_identifier ("$globalheader");
199 File_name outname (parser->output_basename_);
200 int *c = &parser->book_count_;
202 outname.base_ += "-" + to_string (*c);
205 SCM os = scm_makfrom0str (outname.to_string ().to_str0 ());
206 SCM paper = get_paper (parser)->self_scm ();
207 for (int i = 0; i < score->defs_.size (); i++)
208 default_rendering (score->get_music (), score->defs_[i]->self_scm (),
209 paper, header, os, key->self_scm ());
211 if (score->defs_.is_empty ())
213 Output_def *layout = get_layout (parser);
214 default_rendering (score->get_music(), layout->self_scm (),
215 get_paper (parser)->self_scm (),
216 header, os, key->self_scm ());
217 scm_gc_unprotect_object (layout->self_scm ());
220 scm_gc_unprotect_object (key->self_scm ());
221 return SCM_UNSPECIFIED;
226 LY_DEFINE (ly_parser_set_note_names, "ly:parser-set-note-names",
227 2, 0, 0, (SCM parser, SCM names),
228 "Replace current note names in @var{parser}. "
229 "@var{names} is an alist of symbols. "
230 "This only has effect if the current mode is notes.")
232 Lily_parser *p = unsmob_my_lily_parser (parser);
233 SCM_ASSERT_TYPE(p, parser, SCM_ARG1, __FUNCTION__, "Lilypond parser");
235 if (p->lexer_->is_note_state ())
237 p->lexer_->pop_state ();
238 p->lexer_->push_note_state (alist_to_hashq (names));
241 return SCM_UNSPECIFIED;
244 LY_DEFINE (ly_parser_print_book, "ly:parser-print-book",
245 2, 0, 0, (SCM parser_smob, SCM book_smob),
248 Lily_parser *parser = unsmob_my_lily_parser (parser_smob);
249 Book *book = unsmob_book (book_smob);
250 Output_def *bp = unsmob_output_def (parser->lexer_->lookup_identifier ("$defaultpaper"));
252 SCM_ASSERT_TYPE (parser, parser_smob, SCM_ARG1, __FUNCTION__, "Lilypond parser");
253 SCM_ASSERT_TYPE (book, book_smob, SCM_ARG2, __FUNCTION__, "Book");
255 /* ugh. changing argument.*/
258 File_name outname (parser->output_basename_);
259 int *c = &parser->book_count_;
261 outname.base_ += "-" + to_string (*c);
264 Output_def *layout = get_layout (parser);
265 Paper_book* pb = book->process (outname.to_string (), layout);
269 pb->output (outname.to_string ());
270 scm_gc_unprotect_object (pb->self_scm ());
273 scm_gc_unprotect_object (layout->self_scm ());
274 return SCM_UNSPECIFIED;