From 842809f63ee23c0bc0bb474110e460c085905c4a Mon Sep 17 00:00:00 2001
From: Rich Lane <rlane@club.cc.cmu.edu>
Date: Sun, 16 Aug 2009 23:39:11 -0700
Subject: [PATCH] console mode

---
 bin/sup                       |  4 ++++
 lib/sup.rb                    |  1 +
 lib/sup/modes/console-mode.rb | 42 +++++++++++++++++++++++++++++++++++
 3 files changed, 47 insertions(+)
 create mode 100644 lib/sup/modes/console-mode.rb

diff --git a/bin/sup b/bin/sup
index 1febefd..2b4fee7 100755
--- a/bin/sup
+++ b/bin/sup
@@ -78,6 +78,7 @@ global_keymap = Keymap.new do |k|
   k.add :compose, "Compose new message", 'm', 'c'
   k.add :nothing, "Do nothing", :ctrl_g
   k.add :recall_draft, "Edit most recent draft message", 'R'
+  k.add :show_console, "Show the Console buffer", '~'
 end
 
 ## the following magic enables wide characters when used with a ruby
@@ -296,6 +297,9 @@ begin
         b, new = BufferManager.spawn_unless_exists("All drafts") { LabelSearchResultsMode.new [:draft] }
         b.mode.load_threads :num => b.content_height if new
       end
+    when :show_console
+      b, new = bm.spawn_unless_exists("Console", :system => true) { ConsoleMode.new }
+      b.mode.run
     when :nothing, InputSequenceAborted
     when :redraw
       bm.completely_redraw_screen
diff --git a/lib/sup.rb b/lib/sup.rb
index 54de73f..bc042b2 100644
--- a/lib/sup.rb
+++ b/lib/sup.rb
@@ -296,6 +296,7 @@ require "sup/modes/buffer-list-mode"
 require "sup/modes/poll-mode"
 require "sup/modes/file-browser-mode"
 require "sup/modes/completion-mode"
+require "sup/modes/console-mode"
 require "sup/sent"
 
 $:.each do |base|
diff --git a/lib/sup/modes/console-mode.rb b/lib/sup/modes/console-mode.rb
new file mode 100644
index 0000000..d06d37b
--- /dev/null
+++ b/lib/sup/modes/console-mode.rb
@@ -0,0 +1,42 @@
+require 'pp'
+
+module Redwood
+
+class Console
+  def initialize mode
+    @mode = mode
+  end
+end
+
+class ConsoleMode < LogMode
+  def initialize
+    super
+    @binding = Console.new(self).instance_eval { binding }
+  end
+
+  def execute cmd
+    begin
+      self << ">> #{cmd}\n"
+      ret = eval cmd, @binding
+      self << "=> #{ret.pretty_inspect}\n"
+    rescue Exception
+      self << "#{$!.class}: #{$!.message}\n"
+      clean_backtrace = []
+      $!.backtrace.each { |l| break if l =~ /console-mode/; clean_backtrace << l }
+      clean_backtrace.each { |l| self << "#{l}\n" }
+    end
+  end
+
+  def prompt
+    BufferManager.ask :console, "eval: "
+  end
+
+  def run
+    while true
+      cmd = prompt or return
+      execute cmd
+    end
+  end
+end
+
+end
-- 
2.43.0