From e28f91a23fa16938b7b941de4a82e46c7b45f44b Mon Sep 17 00:00:00 2001
From: fred <fred>
Date: Sun, 17 Nov 1996 23:51:24 +0000
Subject: [PATCH] lilypond-0.0.10

---
 hdr/swalker.hh |  8 +++++++-
 src/swalker.cc | 32 ++++++++++++++++++++++++++++++++
 2 files changed, 39 insertions(+), 1 deletion(-)

diff --git a/hdr/swalker.hh b/hdr/swalker.hh
index c00923ff99..da132dd9d6 100644
--- a/hdr/swalker.hh
+++ b/hdr/swalker.hh
@@ -17,13 +17,19 @@ struct Staff_walker : public PCursor<Staff_column*> {
     int break_status;
     
     /****************/
+
     int priority() const;		// Command
     Real when() const;    
     virtual ~Staff_walker();
     Staff_walker(Staff*, PScore*);
     void process() ;
-    virtual void process_command(Command *)=0;
+    void process_command(Command *);
+    void operator++(int);
+    /// every time ++ is called
+    virtual void reset()=0;
     virtual void process_requests()=0;
+    virtual void do_TYPESET_command(Command*)=0;
+    virtual void do_INTERPRET_command(Command*)=0 ;
 };
 /**
   manage run-time info when walking staffcolumns such as: key,
diff --git a/src/swalker.cc b/src/swalker.cc
index db48fd1f82..54872ec83b 100644
--- a/src/swalker.cc
+++ b/src/swalker.cc
@@ -1,6 +1,7 @@
 #include "request.hh"
 #include "swalker.hh"
 #include "stcol.hh"
+#include "sccol.hh"
 
 Staff_walker::~Staff_walker() {}
 
@@ -30,3 +31,34 @@ Staff_walker::process()
     process_requests();
 }
 
+
+void
+Staff_walker::process_command(Command*com)
+{
+    switch (com->code){
+    case BREAK_PRE:
+    case BREAK_MIDDLE:
+    case BREAK_POST:
+    case BREAK_END:
+	(*this)->score_column->set_breakable();
+	break_status = com->code- BREAK_PRE;
+	break;
+    case INTERPRET:
+	do_INTERPRET_command(com);
+	break;
+	
+    case TYPESET:
+	do_TYPESET_command(com);
+	break;
+   
+    default :
+	break;
+    }
+}
+
+void
+Staff_walker::operator++(int i)
+{
+    PCursor<Staff_column*>::operator++(i);
+    reset();
+}
-- 
2.39.5