commit f1f60f859cdbb2638b3662ccf7b1d179865fe7dc
author Bram Moolenaar <Bram@vim.org> Sat Jan 16 15:40:53 2016 +0100
committer Bram Moolenaar <Bram@vim.org> Sat Jan 16 15:40:53 2016 +0100
tree 739551087fb1b9948568366dc5d6187861dbcaf5
parent e39b3d9fb4e4006684c33847d1ef6a0d742699dd

patch 7.4.1102
Problem:    Debugger has no stack backtrace support.
Solution:   Add "backtrace", "frame", "up" and "down" commands. (Alberto
            Fanjul, closes #433)

src/globals.h

diff --git a/src/globals.h b/src/globals.h
index 0931466..d6abc67 100644
--- a/src/globals.h
+++ b/src/globals.h
@@ -231,6 +231,7 @@
 EXTERN int	debug_break_level INIT(= -1);	/* break below this level */
 EXTERN int	debug_did_msg INIT(= FALSE);	/* did "debug mode" message */
 EXTERN int	debug_tick INIT(= 0);		/* breakpoint change count */
+EXTERN int	debug_backtrace_level INIT(= 0); /* breakpoint backtrace level */
 # ifdef FEAT_PROFILE
 EXTERN int	do_profiling INIT(= PROF_NONE);	/* PROF_ values */
 # endif