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-rw-r--r--lib/debug.rb13
1 files changed, 9 insertions, 4 deletions
diff --git a/lib/debug.rb b/lib/debug.rb
index 0a6699f..244db02 100644
--- a/lib/debug.rb
+++ b/lib/debug.rb
@@ -27,6 +27,7 @@ class DEBUGGER__
@last_file = nil
@last = [nil, nil]
@no_step = nil
+ @finish_pos = 0
end
DEBUG_LAST_CMD = []
@@ -256,9 +257,13 @@ class DEBUGGER__
STDOUT.printf "#%d %s\n", frame_pos, info
when /^fi(?:nish)?$/
- @finish_pos = @frames.size - frame_pos
- frame_pos = 0
- return
+ if frame_pos == 0
+ STDOUT.print "\"finish\" not meaningful in the outermost frame.\n"
+ else
+ @finish_pos = @frames.size - frame_pos
+ frame_pos = 0
+ return
+ end
when /^q(?:uit)?$/
input = readline("really quit? (y/n) ", false)
@@ -373,10 +378,10 @@ class DEBUGGER__
@frames.unshift binding
when 'return', 'end'
+ @frames.shift
if @frames.size == @finish_pos
@stop_next = 1
end
- @frames.shift
when 'raise'
excn_handle(file, line, id, binding)