From 018c5191bfc13be1c002f4fff64b572a031a4a7a Mon Sep 17 00:00:00 2001
From: nahi <nahi@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sat, 23 Feb 2002 09:40:58 +0000
Subject: Refactoring.  Added Context#format_frame to format a frame, used by
 up/down   command and Context#display_frames.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@2121 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 lib/debug.rb | 29 ++++++++++++++++-------------
 1 file changed, 16 insertions(+), 13 deletions(-)

(limited to 'lib/debug.rb')

diff --git a/lib/debug.rb b/lib/debug.rb
index b9703ed7de..b69e7f9913 100644
--- a/lib/debug.rb
+++ b/lib/debug.rb
@@ -450,7 +450,7 @@ class DEBUGGER__
 	      stdout.print "At toplevel\n"
 	    end
 	    binding, binding_file, binding_line = @frames[frame_pos]
-           stdout.printf "#%d %s:%s\n", frame_pos+1, binding_file, binding_line
+	    stdout.print format_frame(frame_pos)
 
 	  when /^\s*down(?:\s+(\d+))?$/
 	    previous_line = nil
@@ -465,7 +465,7 @@ class DEBUGGER__
 	      stdout.print "At stack bottom\n"
 	    end
 	    binding, binding_file, binding_line = @frames[frame_pos]
-           stdout.printf "#%d %s:%s\n", frame_pos+1, binding_file, binding_line
+	    stdout.print format_frame(frame_pos)
 
 	  when /^\s*fin(?:ish)?$/
 	    if frame_pos == @frames.size
@@ -596,20 +596,22 @@ EOHELP
     end
 
     def display_frames(pos)
-      pos += 1
-      n = 0
-      at = @frames
-      for bind, file, line, id in at
-	n += 1
-	break unless bind
-	if pos == n
-	  stdout.printf "--> #%d  %s:%s%s\n", n, file, line, id ? ":in `#{id.id2name}'":""
-	else
-	  stdout.printf "    #%d  %s:%s%s\n", n, file, line, id ? ":in `#{id.id2name}'":""
-	end
+      0.upto(@frames.size - 1) do |n|
+        if n == pos
+          stdout.print "--> "
+        else
+          stdout.print "    "
+        end
+        stdout.print format_frame(n)
       end
     end
 
+    def format_frame(pos)
+      bind, file, line, id = @frames[pos]
+      sprintf "#%d %s:%s%s\n", pos + 1, file, line,
+	(id ? ":in `#{id.id2name}'" : "")
+    end
+
     def display_list(b, e, file, line)
       stdout.printf "[%d, %d] in %s\n", b, e, file
       if lines = SCRIPT_LINES__[file] and lines != true
@@ -778,6 +780,7 @@ EOHELP
         context(th[0]).set_trace arg
       end
       Thread.critical = false
+      arg
     end
 
     def set_last_thread(th)
-- 
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