* lily/stencil-scheme.cc:

[lilypond.git] / lily / music-output-def.cc

diff --git a/lily/music-output-def.cc b/lily/music-output-def.cc
index edc315cb7b708a6b87dcf3f79c428a368af1064a..068b8594cbc8805eb74b00439a820ba4d6857861 100644 (file)
--- a/lily/music-output-def.cc
+++ b/lily/music-output-def.cc
@@ -3,92 +3,159 @@
 
   source file of the GNU LilyPond music typesetter
 
-  (c)  1997--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+  (c) 1997--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
 */
 
-#include "dictionary.hh"
-#include "scope.hh"
-#include "debug.hh"
+#include "scm-hash.hh"
+
+#include "warn.hh"
 #include "music-output-def.hh"
-#include "global-translator.hh"
-#include "translator-def.hh"
-#include "identifier.hh"
+#include "global-context.hh"
+#include "context-def.hh"
 #include "main.hh"
+#include "file-path.hh"
 #include "lily-guile.hh"
+#include "ly-modules.hh"
 
-int
-Music_output_def::get_next_default_count () const
-{
-  return 0;
-}
-
-
+#include "ly-smobs.icc"
 
 Music_output_def::Music_output_def ()
 {
-  scope_p_ = new Scope;
-  translator_p_dict_p_ = new Scope;
+  scaled_fonts_ = SCM_EOL;
+  translator_tab_ = new Scheme_hash_table;
+  scope_ = SCM_EOL;
+  smobify_self ();
+
+  scm_gc_unprotect_object (translator_tab_->self_scm ());
+  scope_ = ly_make_anonymous_module ();
 }
 
 Music_output_def::~Music_output_def ()
 {
-  delete scope_p_;
-  delete translator_p_dict_p_;
 }
 
 Music_output_def::Music_output_def (Music_output_def const &s)
 {
-  scope_p_ = new Scope (*s.scope_p_);
-  translator_p_dict_p_ = new Scope (*s.translator_p_dict_p_);
+  scope_ = SCM_EOL;
+  translator_tab_ = 0;
+  scaled_fonts_ = SCM_EOL;
+  smobify_self ();
+
+  translator_tab_ =   new Scheme_hash_table (*s.translator_tab_);  
+  scm_gc_unprotect_object (translator_tab_->self_scm ());  
+  
+  scaled_fonts_ = scm_list_copy (s.scaled_fonts_);  
+
+  scope_= ly_make_anonymous_module ();
+  if (ly_module_p (s.scope_))
+    ly_copy_module_variables (scope_, s.scope_);
+}
+
+
+IMPLEMENT_SMOBS (Music_output_def);
+IMPLEMENT_DEFAULT_EQUAL_P (Music_output_def);
+
+SCM
+Music_output_def::mark_smob (SCM m)
+{
+  Music_output_def * mo = (Music_output_def*) SCM_CELL_WORD_1 (m);
+  if (mo->translator_tab_)
+    scm_gc_mark (mo->translator_tab_->self_scm ());
+  scm_gc_mark (mo->scope_);
+
+  return mo->scaled_fonts_;
 }
 
 void
 Music_output_def::assign_translator (SCM transdef)
 {
-  Translator_def *tp = unsmob_translator_def (transdef);
+  Context_def *tp = unsmob_context_def (transdef);
   assert (tp);
 
-  String s = ly_scm2string (tp->type_name_);
-  translator_p_dict_p_->set (s, transdef);
+  translator_tab_->set (tp->get_context_name (), transdef);
+  
+  String nm = ly_symbol2string (tp->get_context_name ()) + "Context";
+
+
+  scm_module_define (scope_, ly_symbol2scm (nm.to_str0 ()), transdef);
 }
 
+/*
+  find the translator for NAME. NAME must be a symbol.
+*/
 SCM
-Music_output_def::find_translator_l (SCM name) const
-{
-  String s = ly_scm2string (name);
-  
+Music_output_def::find_context_def (SCM name) const
+{  
   SCM val  =SCM_EOL;
-  if (translator_p_dict_p_->elem_b (s))
-    return translator_p_dict_p_->scm_elem (s);
+  translator_tab_->try_retrieve (name, &val);
   return val;
 }
 
+int
+Music_output_def::print_smob (SCM s, SCM p, scm_print_state *)
+{
+  Music_output_def * def = unsmob_music_output_def (s);
+  scm_puts ("#< ", p);
+  scm_puts (classname (def), p);
+  
+  (void)def;
+  scm_puts (">", p);
+  return 1;
+}
 
-Global_translator *
-Music_output_def::get_global_translator_p () 
+SCM
+Music_output_def::get_scmvar (String s) const
 {
-  Translator_def * t = unsmob_translator_def (find_translator_l (ly_str02scm ("Score")));
-  if (!t)
-    error (_f ("can't find `%s' context", "Score"));
+  return lookup_variable (ly_symbol2scm (s.to_str0 ()));
+}
 
-  Translator_group * tg = t->instantiate (this);
-  
-  tg->initialize ();
-  
-  return dynamic_cast <Global_translator *> (tg);
+void
+Music_output_def::set_variable (SCM sym, SCM val)
+{
+  scm_module_define (scope_, sym, val);
 }
 
+SCM
+Music_output_def::lookup_variable (SCM sym) const
+{
+  SCM var = ly_module_lookup (scope_, sym);
 
+  return scm_variable_ref (var);
+}
 
-String
-Music_output_def::get_default_output () const
+LY_DEFINE (ly_paper_lookup, "ly:paper-lookup",
+          2, 0,0, (SCM pap, SCM sym),
+          "Lookup @var{sym} in @var{pap}. "
+          "Return the value or ' () if undefined.")
 {
-  if (safe_global_b || !scope_p_->elem_b ("output"))
-    return "";
-  SCM s =  scope_p_->scm_elem ("output");
-  
-  return gh_string_p (s) ? ly_scm2string (s) : String ("");
+  Music_output_def *op = unsmob_music_output_def (pap);
+  SCM_ASSERT_TYPE (op, pap, SCM_ARG1, __FUNCTION__, "Paper");
+  SCM_ASSERT_TYPE (gh_symbol_p (sym), sym, SCM_ARG2, __FUNCTION__, "symbol");
+
+  SCM var = ly_module_lookup (op->scope_, sym);
+  if (SCM_VARIABLEP (var))
+    return SCM_VARIABLE_REF (var);
+  else
+    return SCM_EOL;
 }
 
+LY_DEFINE (ly_output_def_scope, "ly:output-def-scope",
+          1, 0,0, (SCM def),
+          "Get the scope inside @var{def}.")
+{
+  Music_output_def *op = unsmob_music_output_def (def);
+  SCM_ASSERT_TYPE (op, def, SCM_ARG1, __FUNCTION__, "Output definition");
+  return op->scope_;
+}
 
+LY_DEFINE (ly_output_def_clone, "ly:output-def-clone",
+          1, 0, 0, (SCM def),
+          "Clone @var{def}.")
+{
+  Music_output_def *op = unsmob_music_output_def (def);
+  SCM_ASSERT_TYPE (op, def, SCM_ARG1, __FUNCTION__, "Output definition");
+  SCM s = op->clone ()->self_scm ();
+  scm_gc_unprotect_object (s);
+  return s;
+}