[bug #30983] ,help after (activate-readline) hangs

[bug #30983] ,help after (activate-readline) hangs

[anonymous]

URL:
  <http://savannah.gnu.org/bugs/?30983>

                 Summary: ,help after (activate-readline) hangs
                 Project: Guile
            Submitted by: None
            Submitted on: Tue 07 Sep 2010 01:20:40 PM UTC
                Category: None
                Severity: 3 - Normal
              Item Group: None
                  Status: None
                 Privacy: Public
             Assigned to: None
             Open/Closed: Open
         Discussion Lock: Any

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Details:

using ,help after (activate-readline) hangs guile.  Here is what happen when
I C-c out of it.  This is from a freshly built and installed guile using
default options to configure from the release_1-9-12 tag.


$ guile
GNU Guile 1.9.12
Copyright (C) 1995-2010 Free Software Foundation, Inc.

Guile comes with ABSOLUTELY NO WARRANTY; for details type `,show w'.
This program is free software, and you are welcome to redistribute it
under certain conditions; type `,show c' for details.

Enter `,help' for help.
scheme@(guile-user)> ,help
Help Commands [abbrev]:

 ,help [all | GROUP | [-c] COMMAND]
                              [,h] - Show help.
 ,show [TOPIC]                [,s] - Gives information about Guile.
 ,apropos REGEXP              [,a] - Find bindings/modules/packages.
 ,describe OBJ                [,d] - Show description/documentation.

Command Groups:

 ,help all                         - List all commands
 ,help module                      - List module commands
 ,help language                    - List language commands
 ,help compile                     - List compile commands
 ,help profile                     - List profile commands
 ,help debug                       - List debug commands
 ,help inspect                     - List inspect commands
 ,help system                      - List system commands

Type `,help -c COMMAND' to show documentation of a particular command.
scheme@(guile-user)> (use-modules (ice-9 readline))
;;; note: autocompilation is enabled, set GUILE_AUTO_COMPILE=0
;;;       or pass the --no-autocompile argument to disable.
;;; compiling /usr/local/share/guile/2.0/ice-9/readline.scm
;;; compiled
/home/dsmith/.cache/guile/ccache/2.0-0.R-LE-8/usr/local/share/guile/2.0/ice-9/readline.scm.go
scheme@(guile-user)> (activate-readline)

scheme@(guile-user)> ,help

^CThrow to key `signal' while reading command:
ERROR: User interrupt
While compiling expression:
ERROR: In procedure macroexpand:
ERROR: source expression failed to match any pattern in help
scheme@(guile-user)> 




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[bug #30983] ,help after (activate-readline) hangs

[Andy Wingo]

Follow-up Comment #1, bug #30983 (project guile):

Can you reproduce this with guile -q ?

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[bug #30983] ,help after (activate-readline) hangs

[anonymous]

Follow-up Comment #2, bug #30983 (project guile):

Yes.

$ guile -q
GNU Guile 1.9.12
Copyright (C) 1995-2010 Free Software Foundation, Inc.

Guile comes with ABSOLUTELY NO WARRANTY; for details type `,show w'.
This program is free software, and you are welcome to redistribute it
under certain conditions; type `,show c' for details.

Enter `,help' for help.
scheme@(guile-user)> (use-modules (ice-9 readline)) (activate-readline)

scheme@(guile-user)> ,help
^CThrow to key `signal' while reading command:
ERROR: User interrupt
While compiling expression:
ERROR: In procedure macroexpand:
ERROR: source expression failed to match any pattern in help
scheme@(guile-user)> ,help all
^CThrow to key `signal' while reading command:
ERROR: User interrupt
While compiling expression:
ERROR: In procedure macroexpand:
ERROR: source expression failed to match any pattern in help
<unknown-location>: warning: possibly unbound variable `all'
ERROR: In procedure module-lookup:
ERROR: Unbound variable: all
Entering a new prompt.  Type `,bt' for a backtrace or `,q' to continue.
scheme@(guile-user) [1]> ,bt
           0 (#<procedure 109c300 ()>)
scheme@(guile-user) [1]> 


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