source file of the GNU LilyPond music typesetter
- (c) 1997--2007 Han-Wen Nienhuys <hanwen@xs4all.nl>
+ (c) 1997--2008 Han-Wen Nienhuys <hanwen@xs4all.nl>
Jan Nieuwenhuizen <janneke@gnu.org>
*/
#include "international.hh"
#include "lily-lexer.hh"
#include "lily-version.hh"
+#include "ly-module.hh"
#include "main.hh"
#include "output-def.hh"
#include "paper-book.hh"
#include "parser.hh"
#include "score.hh"
#include "sources.hh"
-#include "text-metrics.hh"
#include "warn.hh"
+#include "program-option.hh"
#include "ly-smobs.icc"
void
Lily_parser::parse_file (string init, string name, string out_name)
{
- if (output_backend_global == "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;
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 ("$papers");
+ Output_def *layout = ((papers == SCM_UNDEFINED) || scm_is_null (papers)) ?
+ 0 : unsmob_output_def (scm_car (papers));
+ SCM default_paper = parser->lexer_->lookup_identifier ("$defaultpaper");
+ layout = layout ? layout : unsmob_output_def (default_paper);
layout = layout ? dynamic_cast<Output_def *> (layout->clone ()) : new Output_def;
layout->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 $papers stack */
+void
+pop_paper (Lily_parser *parser)
+{
+ if (! scm_is_null (parser->lexer_->lookup_identifier ("$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
Lily_parser::make_scope () const
{
- return ly_make_anonymous_module (be_safe_global);
+ SCM module = ly_make_anonymous_module (be_safe_global);
+ return module;
}