/*
- lily-parser.cc -- implement Lily_parser
+ This file is part of LilyPond, the GNU music typesetter.
- source file of the GNU LilyPond music typesetter
+ Copyright (C) 1997--2015 Han-Wen Nienhuys <hanwen@xs4all.nl>
+ Jan Nieuwenhuizen <janneke@gnu.org>
- (c) 1997--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
- Jan Nieuwenhuizen <janneke@gnu.org>
+ LilyPond is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ LilyPond is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
*/
#include "lily-parser.hh"
-#include "text-metrics.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 "file-name.hh"
-#include "file-path.hh"
-#include "source.hh"
+#include "source-file.hh"
+#include "sources.hh"
#include "warn.hh"
+#include "program-option.hh"
+
Lily_parser::Lily_parser (Sources *sources)
{
- book_count_ = 0;
- score_count_ = 0;
lexer_ = 0;
sources_ = sources;
default_duration_ = Duration (2, 0);
+ default_tremolo_type_ = 8;
error_level_ = 0;
- last_beam_start_ = SCM_EOL;
+ closures_ = SCM_EOL;
smobify_self ();
+
+ lexer_ = new Lily_lexer (sources_, this);
+ lexer_->unprotect ();
}
-Lily_parser::Lily_parser (Lily_parser const &src)
+Lily_parser::Lily_parser (Lily_parser const &src, SCM closures, SCM location)
+ : Smob<Lily_parser> ()
{
- 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_;
+ default_tremolo_type_ = src.default_tremolo_type_;
+ error_level_ = 0;
+ output_basename_ = src.output_basename_;
+ closures_ = closures;
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, location);
+ 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::mark_smob () const
{
- Lily_parser *parser = (Lily_parser*) SCM_CELL_WORD_1 (s);
- return (parser->lexer_) ? parser->lexer_->self_scm () : SCM_EOL;
+ scm_gc_mark (closures_);
+ return (lexer_) ? lexer_->self_scm () : SCM_EOL;
}
int
-Lily_parser::print_smob (SCM s, SCM port, scm_print_state*)
+Lily_parser::print_smob (SCM port, scm_print_state *) const
{
- scm_puts ("#<my_lily_parser ", port);
- Lily_parser *parser = (Lily_parser*) SCM_CELL_WORD_1 (s);
- (void) parser;
+ scm_puts ("#<Lily_parser ", port);
+ if (lexer_)
+ scm_display (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 (const string &init, const string &name, const string &out_name)
{
- if (output_backend_global == "tex")
- {
- try_load_text_metrics (out_name);
- }
-
- lexer_ = new Lily_lexer (sources_);
- scm_gc_unprotect_object (lexer_->self_scm ());
- // TODO: use $parser
- 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). */
- do_yyparse ();
- if (!define_spots_.is_empty ())
+ SCM mod = lexer_->set_current_scope ();
+ do
{
- define_spots_.top ().warning (_ ("Braces don't match"));
- error_level_ = 1;
+ do_yyparse ();
}
+ while (!lexer_->is_clean ());
+
+ ly_reexport_module (scm_current_module ());
+
+ scm_set_current_module (mod);
error_level_ = error_level_ | lexer_->error_level_;
- lexer_ = 0;
+ clear ();
}
void
-Lily_parser::parse_string (String ly_code)
+Lily_parser::parse_string (const 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 ());
+ lexer_->main_input_name_ = "<string>";
+ lexer_->new_input (lexer_->main_input_name_, ly_code, sources_);
+ SCM mod = lexer_->set_current_scope ();
- 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_->is_main_input_ = true;
+ do_yyparse ();
- set_yydebug (0);
+ scm_set_current_module (mod);
+
+ error_level_ = error_level_ | lexer_->error_level_;
+}
+
+SCM
+Lily_parser::parse_string_expression (const string &ly_code, const string &filename,
+ int line)
+{
+ lexer_->main_input_name_ = filename;
lexer_->new_input (lexer_->main_input_name_, ly_code, sources_);
- do_yyparse ();
-
- if (!define_spots_.is_empty ())
+ if (line)
{
- if (define_spots_.is_empty()
- && !error_level_ )
- programming_error ("define_spots_ don't match, but error_level_ not set.");
+ lexer_->get_source_file ()->set_line (0, line);
}
+ SCM mod = lexer_->set_current_scope ();
+
+ lexer_->push_extra_token (Input (), EMBEDDED_LILY);
+ SCM result = do_yyparse ();
+
+ scm_set_current_module (mod);
error_level_ = error_level_ | lexer_->error_level_;
+ return result;
+}
- scm_set_current_module (oldmod);
- lexer_ = 0;
+void
+Lily_parser::include_string (const string &ly_code)
+{
+ lexer_->new_input ("<included string>", ly_code, sources_);
}
-char const *
-Lily_parser::here_str0 () const
+void
+Lily_parser::clear ()
{
- return lexer_->here_str0 ();
+ if (lexer_)
+ {
+ while (lexer_->has_scope ())
+ lexer_->remove_scope ();
+ }
+
+ lexer_ = 0;
}
void
-Lily_parser::parser_error (String s)
+Lily_parser::parser_error (const string &s)
{
- lexer_->here_input ().error (s);
+ lexer_->here_input ().non_fatal_error (_ (s.c_str ()));
error_level_ = 1;
}
void
-Lily_parser::parser_error (Input const& i, String s)
+Lily_parser::parser_error (Input const &i, const string &s)
{
- i.error (s);
+ i.non_fatal_error (s);
error_level_ = 1;
}
-/****************************************************************/
+const char * const Lily_parser::type_p_name_ = "ly:lily-parser?";
+/****************************************************************
+ OUTPUT-DEF
+ ****************************************************************/
-Output_def*
+Output_def *
get_layout (Lily_parser *parser)
{
SCM id = parser->lexer_->lookup_identifier ("$defaultlayout");
- Output_def *layout = unsmob_output_def (id);
+ 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");
- Output_def *layout = unsmob_output_def (id);
+ Output_def *layout = unsmob<Output_def> (id);
layout = layout ? layout->clone () : new Output_def;
layout->set_variable (ly_symbol2scm ("is-midi"), SCM_BOOL_T);
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 ("$papers");
+ Output_def *layout = (SCM_UNBNDP (papers) || scm_is_null (papers))
+ ? 0 : unsmob<Output_def> (scm_car (papers));
+ SCM default_paper = parser->lexer_->lookup_identifier ("$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;
}
+/* Initialize (reset) the $papers stack */
+void
+init_papers (Lily_parser *parser)
+{
+ parser->lexer_->set_identifier (ly_symbol2scm ("$papers"), SCM_EOL);
+}
+
+/* Push a paper on top of $papers stack */
+void
+push_paper (Lily_parser *parser, Output_def *paper)
+{
+ parser->lexer_->set_identifier (ly_symbol2scm ("$papers"),
+ scm_cons (paper->self_scm (),
+ parser->lexer_->lookup_identifier ("$papers")));
+}
+
+/* Pop a paper from $papers stack */
+void
+pop_paper (Lily_parser *parser)
+{
+ if (scm_is_pair (parser->lexer_->lookup_identifier ("$papers")))
+ parser->lexer_->set_identifier (ly_symbol2scm ("$papers"),
+ scm_cdr (parser->lexer_->lookup_identifier ("$papers")));
+}
+
+/* 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 ());
+}
+
+SCM
+get_header (Lily_parser *parser)
+{
+ SCM id = parser->lexer_->lookup_identifier ("$defaultheader");
+ if (!ly_is_module (id))
+ id = parser->make_scope ();
+ else
+ {
+ SCM nid = parser->make_scope ();
+ ly_module_copy (nid, id);
+ id = nid;
+ }
+
+ return id;
+}
+
+SCM
+Lily_parser::make_scope () const
+{
+ SCM module = ly_make_module (be_safe_global);
+ return module;
+}