source file of the GNU LilyPond music typesetter
- (c) 1997--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
- Jan Nieuwenhuizen <janneke@gnu.org>
+ (c) 1997--2008 Han-Wen Nienhuys <hanwen@xs4all.nl>
+ Jan Nieuwenhuizen <janneke@gnu.org>
*/
#include "lily-parser.hh"
#include "book.hh"
-#include "lilypond-key.hh"
#include "file-name.hh"
#include "file-path.hh"
+#include "international.hh"
+#include "lily-lexer.hh"
#include "lily-version.hh"
#include "ly-module.hh"
#include "main.hh"
-#include "lily-lexer.hh"
#include "output-def.hh"
#include "paper-book.hh"
#include "parser.hh"
#include "score.hh"
-#include "source.hh"
+#include "sources.hh"
+#include "text-metrics.hh"
#include "warn.hh"
+#include "program-option.hh"
+
+#include "ly-smobs.icc"
Lily_parser::Lily_parser (Sources *sources)
{
- book_count_ = 0;
- score_count_ = 0;
lexer_ = 0;
sources_ = sources;
default_duration_ = Duration (2, 0);
error_level_ = 0;
- last_beam_start_ = SCM_EOL;
smobify_self ();
+
+ lexer_ = new Lily_lexer (sources_, this);
+ lexer_->unprotect ();
}
Lily_parser::Lily_parser (Lily_parser const &src)
{
- book_count_ = src.book_count_;
- score_count_ = src.score_count_;
lexer_ = 0;
sources_ = src.sources_;
default_duration_ = src.default_duration_;
error_level_ = src.error_level_;
- last_beam_start_ = src.last_beam_start_;
+ output_basename_ = src.output_basename_;
smobify_self ();
if (src.lexer_)
- lexer_ = new Lily_lexer (*src.lexer_);
-
- scm_gc_unprotect_object (lexer_->self_scm ());
+ {
+ lexer_ = new Lily_lexer (*src.lexer_, this);
+ }
+
+ lexer_->unprotect ();
}
Lily_parser::~Lily_parser ()
{
}
-#include "ly-smobs.icc"
-
-IMPLEMENT_SMOBS (Lily_parser);
-IMPLEMENT_TYPE_P (Lily_parser, "ly:lily-parser?");
-IMPLEMENT_DEFAULT_EQUAL_P (Lily_parser);
SCM
Lily_parser::mark_smob (SCM s)
{
- Lily_parser *parser = (Lily_parser*) SCM_CELL_WORD_1 (s);
+ Lily_parser *parser = (Lily_parser *) SCM_CELL_WORD_1 (s);
return (parser->lexer_) ? parser->lexer_->self_scm () : SCM_EOL;
}
int
Lily_parser::print_smob (SCM s, SCM port, scm_print_state*)
{
- scm_puts ("#<my_lily_parser ", port);
- Lily_parser *parser = (Lily_parser*) SCM_CELL_WORD_1 (s);
- (void) parser;
+ scm_puts ("#<Lily_parser ", port);
+ Lily_parser *parser = (Lily_parser *) SCM_CELL_WORD_1 (s);
+ if (parser->lexer_)
+ scm_display (parser->lexer_->self_scm (), port);
+ else
+ scm_puts ("(no lexer yet)", port);
scm_puts (" >", port);
return 1;
}
-
/* Process one .ly file, or book. */
void
-Lily_parser::parse_file (String init, String name, String out_name)
+Lily_parser::parse_file (string init, string name, string out_name)
{
- lexer_ = new Lily_lexer (sources_);
- scm_gc_unprotect_object (lexer_->self_scm ());
+ if (get_output_backend_name () == "tex")
+ try_load_text_metrics (out_name);
+
// TODO: use $parser
- lexer_->set_identifier (ly_symbol2scm ("parser"),
- self_scm ());
+ lexer_->set_identifier (ly_symbol2scm ("parser"), self_scm ());
output_basename_ = out_name;
-
+
lexer_->main_input_name_ = name;
- progress_indication (_ ("Parsing..."));
- progress_indication ("\n");
+ message (_ ("Parsing..."));
set_yydebug (0);
lexer_->new_input (init, sources_);
File_name f (name);
- String s = global_path.find (f.base_ + ".twy");
- s = gulp_file_to_string (s, false);
- scm_eval_string (scm_makfrom0str (s.to_str0 ()));
+ string s = global_path.find (f.base_ + ".twy");
+ s = gulp_file_to_string (s, false, -1);
+ scm_eval_string (ly_string2scm (s));
/* Read .ly IN_FILE, lex, parse, write \score blocks from IN_FILE to
OUT_FILE (unless IN_FILE redefines output file name). */
+
+ SCM mod = lexer_->set_current_scope ();
do_yyparse ();
- if (!define_spots_.is_empty ())
+ /*
+ Don't mix cyclic pointers with weak tables.
+ */
+ lexer_->set_identifier (ly_symbol2scm ("parser"),
+ SCM_EOL);
+ ly_reexport_module (scm_current_module ());
+
+ scm_set_current_module (mod);
+
+ if (!define_spots_.empty ())
{
- define_spots_.top ().warning (_ ("Braces don't match"));
+ define_spots_.back ().warning (_ ("braces do not match"));
error_level_ = 1;
}
error_level_ = error_level_ | lexer_->error_level_;
- lexer_ = 0;
+ clear ();
}
void
-Lily_parser::parse_string (String ly_code)
+Lily_parser::parse_string (string ly_code)
{
- Lily_lexer * parent = lexer_;
- lexer_ = (parent == 0 ? new Lily_lexer (sources_)
- : new Lily_lexer (*parent));
- scm_gc_unprotect_object (lexer_->self_scm ());
-
-
- SCM oldmod = scm_current_module ();
- scm_set_current_module (scm_car (lexer_->scopes_));
-
// TODO: use $parser
lexer_->set_identifier (ly_symbol2scm ("parser"),
self_scm ());
-
- lexer_->main_input_name_ = "<string>";
- lexer_->main_input_b_ = true;
- set_yydebug (0);
+ lexer_->main_input_name_ = "<string>";
+ lexer_->is_main_input_ = true;
lexer_->new_input (lexer_->main_input_name_, ly_code, sources_);
+
+ SCM mod = lexer_->set_current_scope ();
do_yyparse ();
-
- if (!define_spots_.is_empty ())
+ scm_set_current_module (mod);
+
+ if (!define_spots_.empty ())
{
- if (define_spots_.is_empty()
- && !error_level_ )
- programming_error ("Braces don't match, but error_level_ not set.");
+ if (define_spots_.empty ()
+ && !error_level_)
+ programming_error ("define_spots_ don't match, but error_level_ not set.");
}
error_level_ = error_level_ | lexer_->error_level_;
-
- scm_set_current_module (oldmod);
- lexer_ = 0;
}
void
-Lily_parser::push_spot ()
+Lily_parser::clear ()
{
- define_spots_.push (here_input ());
+ if (lexer_)
+ {
+ while (lexer_->has_scope ())
+ lexer_->remove_scope ();
+ }
+
+ lexer_ = 0;
}
char const *
}
void
-Lily_parser::parser_error (String s)
+Lily_parser::parser_error (string s)
{
- here_input ().error (s);
+ lexer_->here_input ().error (_ (s.c_str ()));
error_level_ = 1;
}
-Input
-Lily_parser::pop_spot ()
-{
- return define_spots_.pop ();
-}
-
-Input
-Lily_parser::here_input () const
-{
- /*
- Parsing looks ahead , so we really want the previous location of the
- lexer, not lexer_->here_input ().
- */
-
- /*
- Actually, that gets very icky when there are white space, because
- the line-numbers are all wrong. Let's try the character before
- the current token. That gets the right result for note/duration
- stuff, but doesn't mess up for errors in the 1st token of the
- line.
- */
- Input hi (lexer_->here_input ());
-
- char const * bla = hi.defined_str0_;
- if (hi.line_number () > 1
- || hi.column_number () > 1)
- bla --;
-
- return Input (hi.source_file_, bla);
-}
-
-
-/****************************************************************/
-
-
-/*
- junkme?
- */
-bool store_locations_global_b;
-
-/* Do not append `!' suffix, since 1st argument is not modified. */
-LY_DEFINE (ly_set_point_and_click, "ly:set-point-and-click",
- 1, 0, 0, (SCM what),
- "Set the options for Point-and-click source specials output. The\n"
-"argument is a symbol. Possible options are @code{none} (no source specials),\n"
-"@code{line} and @code{line-column}")
-{
- /* UGH. */
- SCM val = SCM_BOOL_F;
- if (ly_symbol2scm ("line-column") == what)
- val = ly_lily_module_constant ("line-column-location");
- else if (what == ly_symbol2scm ("line"))
- val = ly_lily_module_constant ("line-location");
-
- scm_module_define (global_lily_module, ly_symbol2scm ("point-and-click"),
- val);
- store_locations_global_b = ly_c_procedure_p (val);
- return SCM_UNSPECIFIED;
-}
-
-LY_DEFINE (ly_parse_file, "ly:parse-file",
- 1, 0, 0, (SCM name),
- "Parse a single @code{.ly} file. "
- "Upon failure, throw @code{ly-file-failed} key.")
-{
- SCM_ASSERT_TYPE (scm_is_string (name), name, SCM_ARG1, __FUNCTION__, "string");
- char const *file = scm_i_string_chars (name);
- char const *extensions[] = {"ly", "", 0};
-
- String file_name = global_path.find (file, extensions);
-
- /* By default, use base name of input file for output file name,
- write output to cwd; do not use root and directory parts of input
- file name. */
- File_name out_file_name (file_name);
-
- global_path.append (out_file_name.dir_);
-
- out_file_name.ext_ = "";
- out_file_name.root_ = "";
- out_file_name.dir_ = "";
-
- if (!output_name_global.is_empty ())
- out_file_name = File_name (output_name_global);
-
- String init;
- if (!init_name_global.is_empty ())
- init = init_name_global;
- else
- init = "init.ly";
-
- String out_file = out_file_name.to_string ();
-
- if (init.length () && global_path.find (init).is_empty ())
- {
- warning (_f ("can't find init file: `%s'", init));
- warning (_f ("(search path: `%s')",
- global_path.to_string ().to_str0 ()));
- exit (2);
- }
-
- if ((file_name != "-") && global_path.find (file_name).is_empty ())
- {
- warning (_f ("can't find file: `%s'", file_name));
- scm_throw (ly_symbol2scm ("ly-file-failed"),
- scm_list_1 (scm_makfrom0str (file_name.to_str0 ())));
- }
- else
- {
- Sources sources;
- sources.set_path (&global_path);
-
- progress_indication (_f ("Processing `%s'", file_name.to_str0 ()));
- progress_indication ("\n");
-
- Lily_parser *parser = new Lily_parser (&sources);
-
- parser->parse_file (init, file_name, out_file);
-
- bool error = parser->error_level_;
- scm_gc_unprotect_object (parser->self_scm ());
- parser = 0;
- if (error)
- /* TODO: pass renamed input file too. */
- scm_throw (ly_symbol2scm ("ly-file-failed"),
- scm_list_1 (scm_makfrom0str (file_name.to_str0 ())));
- }
- return SCM_UNSPECIFIED;
-}
-
-LY_DEFINE (ly_parse_string, "ly:parse-string",
- 1, 0, 0, (SCM ly_code),
- "Parse the string LY_CODE. "
- "Upon failure, throw @code{ly-file-failed} key.")
-{
- SCM_ASSERT_TYPE (scm_is_string (ly_code), ly_code, SCM_ARG1, __FUNCTION__, "string");
-
- Sources sources;
- sources.set_path (&global_path);
- Lily_parser *parser = new Lily_parser (&sources);
- scm_module_define (global_lily_module, ly_symbol2scm ("parser"),
- parser->self_scm ());
- parser->parse_string (ly_scm2string (ly_code));
- scm_gc_unprotect_object (parser->self_scm ());
- parser = 0;
-
- return SCM_UNSPECIFIED;
-}
-
-LY_DEFINE (ly_clone_parser, "ly:clone-parser",
- 1, 0, 0, (SCM parser_smob),
- "Return a clone of PARSER_SMOB.")
+void
+Lily_parser::parser_error (Input const &i, string s)
{
- Lily_parser *parser = unsmob_my_lily_parser (parser_smob);
- Lily_parser *clone = new Lily_parser (*parser);
-
- /* FIXME: should copy scopes too. */
- return scm_gc_unprotect_object (clone->self_scm ());
+ i.error (s);
+ error_level_ = 1;
}
-LY_DEFINE (ly_parser_define, "ly:parser-define",
- 3, 0, 0, (SCM parser_smob, SCM symbol, SCM val),
- "Bind SYMBOL to VAL in PARSER_SMOB's module.")
-{
- Lily_parser *parser = unsmob_my_lily_parser (parser_smob);
- SCM_ASSERT_TYPE (scm_is_symbol (symbol), symbol, SCM_ARG2, __FUNCTION__, "symbol");
- SCM_ASSERT_TYPE (parser, parser_smob, SCM_ARG2, __FUNCTION__, "parser");
-
- parser->lexer_->set_identifier (scm_symbol_to_string (symbol), val);
- return SCM_UNSPECIFIED;
-}
-LY_DEFINE (ly_parser_lookup, "ly:parser-lookup",
- 2, 0, 0, (SCM parser_smob, SCM symbol),
- "Lookup @var{symbol} in @var{parser_smob}'s module. "
- "Undefined is '().")
-{
- Lily_parser *parser = unsmob_my_lily_parser (parser_smob);
- SCM_ASSERT_TYPE (scm_is_symbol (symbol), symbol, SCM_ARG2, __FUNCTION__, "symbol");
- SCM_ASSERT_TYPE (parser, parser_smob, SCM_ARG2, __FUNCTION__, "parser");
+IMPLEMENT_SMOBS (Lily_parser);
+IMPLEMENT_TYPE_P (Lily_parser, "ly:lily-parser?");
+IMPLEMENT_DEFAULT_EQUAL_P (Lily_parser);
- SCM val = parser->lexer_->lookup_identifier (ly_scm2string (scm_symbol_to_string (symbol)));
- if (val != SCM_UNDEFINED)
- return val;
- else
- return SCM_EOL;
-}
-LY_DEFINE (ly_parser_parse_string, "ly:parser-parse-string",
- 2, 0, 0, (SCM parser_smob, SCM ly_code),
- "Parse the string LY_CODE with PARSER_SMOB."
- "Upon failure, throw @code{ly-file-failed} key.")
-{
- Lily_parser *parser = unsmob_my_lily_parser (parser_smob);
+/****************************************************************
+ OUTPUT-DEF
+ ****************************************************************/
- SCM_ASSERT_TYPE (parser, parser_smob, SCM_ARG1, __FUNCTION__, "parser");
- SCM_ASSERT_TYPE (scm_is_string (ly_code), ly_code, SCM_ARG2, __FUNCTION__, "string");
-
- parser->parse_string (ly_scm2string (ly_code));
-
- return SCM_UNSPECIFIED;
-}
-
-Output_def*
+Output_def *
get_layout (Lily_parser *parser)
{
SCM id = parser->lexer_->lookup_identifier ("$defaultlayout");
Output_def *layout = unsmob_output_def (id);
layout = layout ? layout->clone () : new Output_def;
layout->set_variable (ly_symbol2scm ("is-layout"), SCM_BOOL_T);
-
+
return layout;
}
-
-Output_def*
+Output_def *
get_midi (Lily_parser *parser)
{
SCM id = parser->lexer_->lookup_identifier ("$defaultmidi");
return layout;
}
-
-Output_def*
+/* Return a copy of the top of $papers stack, or $defaultpaper if the
+ * stack is empty */
+Output_def *
get_paper (Lily_parser *parser)
{
- SCM id = parser->lexer_->lookup_identifier ("$defaultpaper");
- Output_def *layout = unsmob_output_def (id);
+ SCM papers = parser->lexer_->lookup_identifier ("$papers");
+ Output_def *layout = ((papers == SCM_UNDEFINED) || scm_is_null (papers)) ?
+ 0 : unsmob_output_def (scm_car (papers));
+ SCM default_paper = parser->lexer_->lookup_identifier ("$defaultpaper");
+ layout = layout ? layout : unsmob_output_def (default_paper);
- layout = layout ? dynamic_cast<Output_def*> (layout->clone ()) : new Output_def;
+ layout = layout ? dynamic_cast<Output_def *> (layout->clone ()) : new Output_def;
layout->set_variable (ly_symbol2scm ("is-paper"), SCM_BOOL_T);
return layout;
}
-
-/* TODO: move this to Scheme? Why take the parser arg, and all the back
- & forth between scm and c++? */
-LY_DEFINE (ly_parser_print_score, "ly:parser-print-score",
- 2, 0, 0,
- (SCM parser_smob, SCM score_smob),
- "Print score, i.e., the classic way.")
+/* Initialize (reset) the $papers stack */
+void
+init_papers (Lily_parser *parser)
{
- Lily_parser *parser = unsmob_my_lily_parser (parser_smob);
- Score *score = unsmob_score (score_smob);
-
- Object_key * key = new Lilypond_general_key (0, score->user_key_, 0);
-
- if (score->error_found_)
- return SCM_UNSPECIFIED;
-
- SCM_ASSERT_TYPE (parser, parser_smob, SCM_ARG1, __FUNCTION__, "parser");
- SCM_ASSERT_TYPE (score, score_smob, SCM_ARG2, __FUNCTION__, "score");
-
- SCM header = ly_c_module_p (score->header_) ? score->header_
- : parser->lexer_->lookup_identifier ("$globalheader");
-
- File_name outname (parser->output_basename_);
- int *c = &parser->book_count_;
- if (*c)
- outname.base_ += "-" + to_string (*c);
- (*c)++;
-
- SCM os = scm_makfrom0str (outname.to_string ().to_str0 ());
- SCM paper = get_paper (parser)->self_scm ();
- for (int i = 0; i < score->defs_.size (); i++)
- default_rendering (score->get_music (), score->defs_[i]->self_scm (),
- paper,
- header, os,
- key->self_scm ());
-
- if (score->defs_.is_empty ())
- {
- Output_def *layout = get_layout (parser);
- default_rendering (score->get_music(), layout->self_scm (),
- get_paper (parser)->self_scm (),
- header, os, key->self_scm ());
- scm_gc_unprotect_object (layout->self_scm ());
- }
-
- scm_gc_unprotect_object (key->self_scm ());
- return SCM_UNSPECIFIED;
+ parser->lexer_->set_identifier (ly_symbol2scm ("$papers"), SCM_EOL);
}
-
-LY_DEFINE (ly_parser_set_note_names, "ly:parser-set-note-names",
- 2, 0, 0, (SCM parser, SCM names),
- "Replace current note names in @var{parser}. "
- "@var{names} is an alist of symbols. "
- "This only has effect if the current mode is notes.")
+/* Push a paper on top of $papers stack */
+void
+push_paper (Lily_parser *parser, Output_def *paper)
{
- Lily_parser *p = unsmob_my_lily_parser (parser);
- SCM_ASSERT_TYPE(p, parser, SCM_ARG1, __FUNCTION__, "Lilypond parser");
+ parser->lexer_->set_identifier (ly_symbol2scm ("$papers"),
+ scm_cons (paper->self_scm (),
+ parser->lexer_->lookup_identifier ("$papers")));
+}
- if (p->lexer_->is_note_state ())
- {
- p->lexer_->pop_state ();
- p->lexer_->push_note_state (alist_to_hashq (names));
- }
+/* Pop a paper from $papers stack */
+void
+pop_paper (Lily_parser *parser)
+{
+ if (! scm_is_null (parser->lexer_->lookup_identifier ("$papers")))
+ parser->lexer_->set_identifier (ly_symbol2scm ("$papers"),
+ scm_cdr (parser->lexer_->lookup_identifier ("$papers")));
+}
- return SCM_UNSPECIFIED;
+/* Change the paper on top of $papers stack */
+void
+set_paper (Lily_parser *parser, Output_def *paper)
+{
+ scm_set_car_x (parser->lexer_->lookup_identifier ("$papers"), paper->self_scm ());
}
-LY_DEFINE (ly_parser_print_book, "ly:parser-print-book",
- 2, 0, 0, (SCM parser_smob, SCM book_smob),
- "Print book.")
+SCM
+get_header (Lily_parser *parser)
{
- Lily_parser *parser = unsmob_my_lily_parser (parser_smob);
- Book *book = unsmob_book (book_smob);
- Output_def *bp = unsmob_output_def (parser->lexer_->lookup_identifier ("$defaultpaper"));
-
- SCM_ASSERT_TYPE (parser, parser_smob, SCM_ARG1, __FUNCTION__, "Lilypond parser");
- SCM_ASSERT_TYPE (book, book_smob, SCM_ARG2, __FUNCTION__, "Book");
-
- /* ugh. changing argument.*/
- book->paper_ = bp;
-
- File_name outname (parser->output_basename_);
- int *c = &parser->book_count_;
- if (*c)
- outname.base_ += "-" + to_string (*c);
- (*c)++;
-
- Output_def *layout = get_layout (parser);
- Paper_book* pb = book->process (outname.to_string (), layout);
-
- if (pb)
+ SCM id = parser->lexer_->lookup_identifier ("$defaultheader");
+ if (!ly_is_module (id))
+ id = parser->make_scope ();
+ else
{
- pb->output (outname.to_string ());
- scm_gc_unprotect_object (pb->self_scm ());
+ SCM nid = parser->make_scope ();
+ ly_module_copy (nid, id);
+ id = nid;
}
-
- scm_gc_unprotect_object (layout->self_scm ());
- return SCM_UNSPECIFIED;
+
+ return id;
}
+SCM
+Lily_parser::make_scope () const
+{
+ SCM module = ly_make_anonymous_module (be_safe_global);
+ return module;
+}
projects / lilypond.git / blobdiff