Issue 5167/6: Changes: show \markup xxx = ... \etc assignments

[lilypond.git] / lily / auto-beam-engraver.cc

diff --git a/lily/auto-beam-engraver.cc b/lily/auto-beam-engraver.cc
index 8b55b44521d6b11fcbe94e110bb0fdd9aa22ed22..2c61f00959b3283568bf6550508949f688555f60 100644 (file)
--- a/lily/auto-beam-engraver.cc
+++ b/lily/auto-beam-engraver.cc
@@ -1,7 +1,7 @@
 /*
   This file is part of LilyPond, the GNU music typesetter.
 
-  Copyright (C) 1999--2014 Jan Nieuwenhuizen <janneke@gnu.org>
+  Copyright (C) 1999--2015 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
@@ -23,6 +23,7 @@
 #include "context-handle.hh"
 #include "duration.hh"
 #include "engraver.hh"
+#include "grob-properties.hh"
 #include "item.hh"
 #include "rest.hh"
 #include "spanner.hh"
@@ -44,12 +45,12 @@ protected:
   virtual void finalize ();
   virtual void derived_mark () const;
 
-  DECLARE_ACKNOWLEDGER (rest);
-  DECLARE_ACKNOWLEDGER (beam);
-  DECLARE_ACKNOWLEDGER (bar_line);
-  DECLARE_ACKNOWLEDGER (breathing_sign);
-  DECLARE_ACKNOWLEDGER (stem);
-  DECLARE_TRANSLATOR_LISTENER (beam_forbid);
+  void acknowledge_rest (Grob_info);
+  void acknowledge_beam (Grob_info);
+  void acknowledge_bar_line (Grob_info);
+  void acknowledge_breathing_sign (Grob_info);
+  void acknowledge_stem (Grob_info);
+  void listen_beam_forbid (Stream_event *);
 
 private:
   virtual bool test_moment (Direction, Moment, Moment);
@@ -146,19 +147,20 @@ Auto_beam_engraver::process_music ()
     }
 }
 
-Auto_beam_engraver::Auto_beam_engraver ()
+Auto_beam_engraver::Auto_beam_engraver (Context *c)
+  : Engraver (c)
 {
   forbid_ = 0;
   process_acknowledged_count_ = 0;
   stems_ = 0;
   shortest_mom_ = Moment (Rational (1, 4));
+  extend_mom_ = Moment (-1);
   finished_beam_ = 0;
   finished_grouping_ = 0;
   grouping_ = 0;
   beam_settings_ = SCM_EOL;
 }
 
-IMPLEMENT_TRANSLATOR_LISTENER (Auto_beam_engraver, beam_forbid);
 void
 Auto_beam_engraver::listen_beam_forbid (Stream_event *ev)
 {
@@ -168,12 +170,11 @@ Auto_beam_engraver::listen_beam_forbid (Stream_event *ev)
 bool
 Auto_beam_engraver::test_moment (Direction dir, Moment test_mom, Moment dur)
 {
-  return scm_call_4 (get_property ("autoBeamCheck"),
-                     context ()->self_scm (),
-                     scm_from_int (dir),
-                     test_mom.smobbed_copy (),
-                     dur.smobbed_copy ())
-         != SCM_BOOL_F;
+  return scm_is_true (scm_call_4 (get_property ("autoBeamCheck"),
+                                    context ()->self_scm (),
+                                    scm_from_int (dir),
+                                    test_mom.smobbed_copy (),
+                                    dur.smobbed_copy ()));
 }
 
 void
@@ -222,8 +223,7 @@ Auto_beam_engraver::create_beam ()
     Beam::add_stem (beam, (*stems_)[i]);
 
   Grob_info i = make_grob_info (beam, (*stems_)[0]->self_scm ());
-  i.rerouting_daddy_context_ = beam_start_context_.get_context ();
-  announce_grob (i);
+  announce_grob (i, beam_start_context_.get_context ());
 
   return beam;
 }
@@ -240,7 +240,7 @@ Auto_beam_engraver::begin_beam ()
   stems_ = new vector<Item *>;
   grouping_ = new Beaming_pattern ();
   beaming_options_.from_context (context ());
-  beam_settings_ = updated_grob_properties (context (), ly_symbol2scm ("Beam"));
+  beam_settings_ = Grob_property_info (context (), ly_symbol2scm ("Beam")).updated ();
 
   beam_start_context_.set_context (context ()->get_parent_context ());
   beam_start_moment_ = now_mom ();
@@ -282,9 +282,8 @@ Auto_beam_engraver::end_beam ()
       if (finished_beam_)
         {
           Grob_info i = make_grob_info (finished_beam_, SCM_EOL);
-          i.rerouting_daddy_context_ = beam_start_context_.get_context ();
 
-          announce_end_grob (i);
+          announce_end_grob (i, beam_start_context_.get_context ());
           finished_grouping_ = grouping_;
           finished_beaming_options_ = beaming_options_;
         }
@@ -394,7 +393,7 @@ Auto_beam_engraver::acknowledge_stem (Grob_info info)
       return;
     }
 
-  int durlog = unsmob_duration (ev->get_property ("duration"))->duration_log ();
+  int durlog = unsmob<Duration> (ev->get_property ("duration"))->duration_log ();
 
   if (durlog <= 2)
     {
@@ -410,10 +409,10 @@ Auto_beam_engraver::acknowledge_stem (Grob_info info)
   if (!is_same_grace_state (beam_start_location_, now))
     return;
 
-  Duration *stem_duration = unsmob_duration (ev->get_property ("duration"));
+  Duration *stem_duration = unsmob<Duration> (ev->get_property ("duration"));
   Moment dur = stem_duration->get_length ();
 
-  //Moment dur = unsmob_duration (ev->get_property ("duration"))->get_length ();
+  //Moment dur = unsmob<Duration> (ev->get_property ("duration"))->get_length ();
   Moment measure_now = measure_position (context ());
   bool recheck_needed = false;
 
@@ -436,7 +435,7 @@ Auto_beam_engraver::acknowledge_stem (Grob_info info)
                        durlog - 2,
                        Stem::is_invisible (stem),
                        stem_duration->factor (),
-                       (stem->get_property ("tuplet-start") == SCM_BOOL_T));
+                       (to_boolean (stem->get_property ("tuplet-start"))));
   stems_->push_back (stem);
   last_add_mom_ = now;
   extend_mom_ = max (extend_mom_, now) + get_event_length (ev, now);
@@ -542,11 +541,17 @@ Auto_beam_engraver::process_acknowledged ()
   process_acknowledged_count_++;
 }
 
-ADD_ACKNOWLEDGER (Auto_beam_engraver, stem);
-ADD_ACKNOWLEDGER (Auto_beam_engraver, bar_line);
-ADD_ACKNOWLEDGER (Auto_beam_engraver, beam);
-ADD_ACKNOWLEDGER (Auto_beam_engraver, breathing_sign);
-ADD_ACKNOWLEDGER (Auto_beam_engraver, rest);
+void
+Auto_beam_engraver::boot ()
+{
+  ADD_LISTENER (Auto_beam_engraver, beam_forbid);
+  ADD_ACKNOWLEDGER (Auto_beam_engraver, stem);
+  ADD_ACKNOWLEDGER (Auto_beam_engraver, bar_line);
+  ADD_ACKNOWLEDGER (Auto_beam_engraver, beam);
+  ADD_ACKNOWLEDGER (Auto_beam_engraver, breathing_sign);
+  ADD_ACKNOWLEDGER (Auto_beam_engraver, rest);
+}
+
 ADD_TRANSLATOR (Auto_beam_engraver,
                 /* doc */
                 "Generate beams based on measure characteristics and observed"
@@ -575,7 +580,7 @@ ADD_TRANSLATOR (Auto_beam_engraver,
 class Grace_auto_beam_engraver : public Auto_beam_engraver
 {
   TRANSLATOR_DECLARATIONS (Grace_auto_beam_engraver);
-  DECLARE_TRANSLATOR_LISTENER (beam_forbid);
+  TRANSLATOR_INHERIT (Auto_beam_engraver);
 
 private:
   Moment last_grace_start_; // Full starting time of last grace group
@@ -585,20 +590,14 @@ private:
   virtual bool test_moment (Direction, Moment, Moment);
 };
 
-Grace_auto_beam_engraver::Grace_auto_beam_engraver ()
+Grace_auto_beam_engraver::Grace_auto_beam_engraver (Context *c)
+  : Auto_beam_engraver (c)
 {
   last_grace_start_.main_part_.set_infinite (-1);
   // grace_part_ is zero -> test_moment is false, last_grace_position_
   // not considered.
 }
 
-IMPLEMENT_TRANSLATOR_LISTENER (Grace_auto_beam_engraver, beam_forbid);
-void
-Grace_auto_beam_engraver::listen_beam_forbid (Stream_event *ev)
-{
-  Auto_beam_engraver::listen_beam_forbid (ev);
-}
-
 bool
 Grace_auto_beam_engraver::is_same_grace_state (Moment, Moment)
 {
@@ -638,11 +637,17 @@ Grace_auto_beam_engraver::test_moment (Direction dir, Moment test_mom, Moment)
   return !test_mom.grace_part_;
 }
 
-ADD_ACKNOWLEDGER (Grace_auto_beam_engraver, stem);
-ADD_ACKNOWLEDGER (Grace_auto_beam_engraver, bar_line);
-ADD_ACKNOWLEDGER (Grace_auto_beam_engraver, beam);
-ADD_ACKNOWLEDGER (Grace_auto_beam_engraver, breathing_sign);
-ADD_ACKNOWLEDGER (Grace_auto_beam_engraver, rest);
+void
+Grace_auto_beam_engraver::boot ()
+{
+  ADD_LISTENER (Grace_auto_beam_engraver, beam_forbid);
+  ADD_ACKNOWLEDGER (Grace_auto_beam_engraver, stem);
+  ADD_ACKNOWLEDGER (Grace_auto_beam_engraver, bar_line);
+  ADD_ACKNOWLEDGER (Grace_auto_beam_engraver, beam);
+  ADD_ACKNOWLEDGER (Grace_auto_beam_engraver, breathing_sign);
+  ADD_ACKNOWLEDGER (Grace_auto_beam_engraver, rest);
+}
+
 ADD_TRANSLATOR (Grace_auto_beam_engraver,
                 /* doc */
                 "Generates one autobeam group across an entire grace phrase. "