new implementation for error handling

lvm.h

@@ -1,5 +1,5 @@
 /*
-** $Id: lvm.h,v 1.43 2002/06/24 13:08:45 roberto Exp roberto $
+** $Id: lvm.h,v 1.44 2002/07/05 18:27:39 roberto Exp $
 ** Lua virtual machine
 ** See Copyright Notice in lua.h
 */
@@ -22,6 +22,13 @@
 	(ttype(o1) == ttype(o2) && luaV_equalval(L, o1, o2))
 
 
+/*
+** dummy addrees, to mark Lua functions calling other Lua functions (and
+** therefore without a valid `pc'
+*/
+extern Instruction const *luaV_callingmark;
+
+
 int luaV_lessthan (lua_State *L, const TObject *l, const TObject *r);
 int luaV_equalval (lua_State *L, const TObject *t1, const TObject *t2);
 const TObject *luaV_tonumber (const TObject *obj, TObject *n);