Issue 4997/7: Use Preinit for Global_context, protect output definition

[lilypond.git] / lily / include / context.hh

diff --git a/lily/include/context.hh b/lily/include/context.hh
index b9aa6292b67736e07150b18c04d0c8d18e385c33..2555bfe2b49e0e26519c2a1eac630a148d5026b3 100644 (file)
--- a/lily/include/context.hh
+++ b/lily/include/context.hh
@@ -33,7 +33,7 @@ class Context : public Smob<Context>
 public:
   SCM mark_smob () const;
   int print_smob (SCM, scm_print_state *) const;
-  static const char type_p_name_[];
+  static const char * const type_p_name_;
   virtual ~Context ();
 private:
   Scheme_hash_table *properties_dict () const;
@@ -51,6 +51,7 @@ private:
   Stream_event *infant_event_;
 
 protected:
+  virtual void derived_mark () const;
   Context *daddy_context_;
   /* The used Context_def */
   SCM definition_;
@@ -186,16 +187,18 @@ bool check_repeat_count_visibility (Context const *context, SCM count);
 void set_context_property_on_children (Context *trans, SCM sym, SCM val);
 
 /* Shorthand for creating and broadcasting stream events. */
-#define send_stream_event(ctx, type, origin, ...)                               \
-{                                                                       \
-  SCM props[] = { __VA_ARGS__, 0 };                                     \
-  ctx->internal_send_stream_event (ly_symbol2scm (type), origin, props);        \
-}
+#define send_stream_event(ctx, type, origin, ...)                       \
+  do {                                                                  \
+    SCM props[] = { __VA_ARGS__, 0 };                                   \
+    ctx->internal_send_stream_event (ly_symbol2scm (type), origin, props); \
+  } while (0)
 
 SCM nested_property_alist (SCM alist, SCM prop_path, SCM value);
+SCM nested_property (SCM alist, SCM prop_path, SCM fallback = SCM_EOL);
 SCM nested_create_alist (SCM prop_path, SCM value);
 SCM partial_list_copy (SCM alist, SCM tail, SCM newtail);
 SCM assq_tail (SCM key, SCM alist, SCM alist_end);
+SCM assv_tail (SCM key, SCM alist, SCM alist_end);
 SCM assoc_tail (SCM key, SCM alist, SCM alist_end);
 SCM evict_from_alist (SCM, SCM, SCM);
 SCM nalist_to_alist (SCM nalist, int nested);