/*
- lily-parser.cc -- implement Lily_parser
+ This file is part of LilyPond, the GNU music typesetter.
- source file of the GNU LilyPond music typesetter
-
- (c) 1997--2007 Han-Wen Nienhuys <hanwen@xs4all.nl>
+ Copyright (C) 1997--2015 Han-Wen Nienhuys <hanwen@xs4all.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 "paper-book.hh"
#include "parser.hh"
#include "score.hh"
+#include "source-file.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)
{
lexer_ = 0;
sources_ = sources;
default_duration_ = Duration (2, 0);
+ default_tremolo_type_ = 8;
error_level_ = 0;
+ closures_ = SCM_EOL;
smobify_self ();
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> ()
{
lexer_ = 0;
sources_ = src.sources_;
default_duration_ = src.default_duration_;
- error_level_ = src.error_level_;
+ 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_, this);
+ lexer_ = new Lily_lexer (*src.lexer_, this, location);
+ lexer_->unprotect ();
}
-
- lexer_->unprotect ();
}
Lily_parser::~Lily_parser ()
{
}
-
SCM
-Lily_parser::mark_smob (SCM s)
+Lily_parser::mark_smob ()
{
- 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 *)
{
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);
+ if (lexer_)
+ scm_display (lexer_->self_scm (), port);
else
scm_puts ("(no lexer yet)", port);
scm_puts (" >", port);
/* 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 (get_output_backend_name () == "tex")
- try_load_text_metrics (out_name);
-
- // TODO: use $parser
lexer_->set_identifier (ly_symbol2scm ("parser"), self_scm ());
output_basename_ = out_name;
OUT_FILE (unless IN_FILE redefines output file name). */
SCM mod = lexer_->set_current_scope ();
- do_yyparse ();
+ do
+ {
+ do_yyparse ();
+ }
+ while (!lexer_->is_clean ());
/*
Don't mix cyclic pointers with weak tables.
*/
lexer_->set_identifier (ly_symbol2scm ("parser"),
- SCM_EOL);
+ SCM_EOL);
ly_reexport_module (scm_current_module ());
scm_set_current_module (mod);
- if (!define_spots_.empty ())
- {
- define_spots_.back ().warning (_ ("braces do not match"));
- error_level_ = 1;
- }
-
error_level_ = error_level_ | lexer_->error_level_;
clear ();
}
void
-Lily_parser::parse_string (string ly_code)
+Lily_parser::parse_string (const string &ly_code)
{
- // TODO: use $parser
- lexer_->set_identifier (ly_symbol2scm ("parser"),
- self_scm ());
-
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 ();
+ SCM parser = lexer_->lookup_identifier_symbol (ly_symbol2scm ("parser"));
+ lexer_->set_identifier (ly_symbol2scm ("parser"), self_scm ());
do_yyparse ();
+ lexer_->set_identifier (ly_symbol2scm ("parser"), parser);
scm_set_current_module (mod);
- if (!define_spots_.empty ())
+ 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_);
+ if (line)
{
- if (define_spots_.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 ();
+ SCM parser = lexer_->lookup_identifier_symbol (ly_symbol2scm ("parser"));
+ lexer_->set_identifier (ly_symbol2scm ("parser"), self_scm ());
+ lexer_->push_extra_token (Input (), EMBEDDED_LILY);
+ SCM result = do_yyparse ();
+
+ lexer_->set_identifier (ly_symbol2scm ("parser"), parser);
+ scm_set_current_module (mod);
error_level_ = error_level_ | lexer_->error_level_;
+ return result;
+}
+
+void
+Lily_parser::include_string (const string &ly_code)
+{
+ lexer_->new_input ("<included string>", ly_code, sources_);
}
void
if (lexer_)
{
while (lexer_->has_scope ())
- lexer_->remove_scope ();
+ lexer_->remove_scope ();
}
- lexer_ = 0;
-}
-
-char const *
-Lily_parser::here_str0 () const
-{
- return lexer_->here_str0 ();
+ lexer_ = 0;
}
void
-Lily_parser::parser_error (string s)
+Lily_parser::parser_error (const string &s)
{
lexer_->here_input ().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);
error_level_ = 1;
}
-
-
-IMPLEMENT_SMOBS (Lily_parser);
-IMPLEMENT_TYPE_P (Lily_parser, "ly:lily-parser?");
-IMPLEMENT_DEFAULT_EQUAL_P (Lily_parser);
-
+const char 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 = Output_def::unsmob (id);
layout = layout ? layout->clone () : new Output_def;
layout->set_variable (ly_symbol2scm ("is-layout"), SCM_BOOL_T);
-
+
return layout;
}
get_midi (Lily_parser *parser)
{
SCM id = parser->lexer_->lookup_identifier ("$defaultmidi");
- Output_def *layout = unsmob_output_def (id);
+ Output_def *layout = Output_def::unsmob (id);
layout = layout ? layout->clone () : new Output_def;
layout->set_variable (ly_symbol2scm ("is-midi"), SCM_BOOL_T);
return layout;
}
+/* 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 ("$papers");
+ Output_def *layout = ((papers == SCM_UNDEFINED) || scm_is_null (papers))
+ ? 0 : Output_def::unsmob (scm_car (papers));
+ SCM default_paper = parser->lexer_->lookup_identifier ("$defaultpaper");
+ layout = layout ? layout : Output_def::unsmob (default_paper);
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)
{
ly_module_copy (nid, id);
id = nid;
}
-
+
return id;
}
-SCM
+SCM
Lily_parser::make_scope () const
{
- SCM module = ly_make_anonymous_module (be_safe_global);
- return module;
+ SCM module = ly_make_module (be_safe_global);
+ return module;
}
projects / lilypond.git / blobdiff