Re: [Bug-apl] )CONTINUE crashes

[Juergen Sauermann]

Hi,

thanks, fixed in SVN 324.

Elias, I had to remove all static APL variables, see attached path.
Please sync your sources (also in SQL?).

/// Jürgen


On 06/13/2014 08:51 PM, David B. Lamkins wrote:
> I'm glad you found an underlying cause.
>
> This bug turned out to be difficult to isolate. It seems that the
> problem is structural in nature. It's not *only* the presence of the '',
> but also related to the structure of that variable.
>
> I found that I could make the problem go away by deleting lines from the
> test function. Even though the remaining lines still contain '', it's
> the presence of *all* of those lines (or some important subset that I
> failed to isolate) that somehow tickles the bug.
>
> Just so you know: this bug is *not* blocking my work.
>
> On Fri, 2014-06-13 at 20:02 +0200, Juergen Sauermann wrote:
> > Hi David,
> >
> > thanks for preparing the testcase.
> > I believe I have found the reason (some well known constants like ''
> > are not being saved),
> > but I need a little longer to fix it.
> >
> > /// Jürgen
> >
> >
> > On 06/13/2014 05:13 AM, David Lamkins wrote:
> >
> > > Here's the smallest test case I've been able to isolate:
> > >
> > >
> > > ---- file: foo.apl ----
> > > ⍝!
> > >
> > > ∇foo;cmd_info
> > >   cmd_info←⍬
> > >   cmd_info←cmd_info, ⊂('help' '[command]' '')
> > >   cmd_info←cmd_info, ⊂('ident' '' '')
> > >   cmd_info←cmd_info, ⊂('packages' '' '')
> > >   cmd_info←cmd_info, ⊂('read' 'package-name' '[document-id]')
> > >   cmd_info←cmd_info, ⊂('depends' 'package-name' '')
> > >   cmd_info←cmd_info, ⊂('metadata' 'package-name' '')
> > >   cmd_info←cmd_info, ⊂('load' 'package-name' '')
> > >   cmd_info←cmd_info, ⊂('expunge' 'package-name' '')
> > >   cmd_info←cmd_info, ⊂('new' 'package-name' '')
> > >   cmd_info←cmd_info, ⊂('init' 'directory' '')
> > >   cmd_info←cmd_info, ⊂('rescan' '' '')
> > >   cmd_info←cmd_info, ⊂('names' 'prefix' '')
> > >   cmd_info←cmd_info, ⊂('debug' '[on|off]' '')
> > > ∇
> > >
> > > ---- end file ----
> > >
> > >
> > >
> > > In GNU APL:
> > >
> > >        )load foo
> > > loading )DUMP file /home/dlamkins/APL/workspaces/foo.apl...
> > > WAS CLEAR WS
> > >        )continue
> > > WAS foo
> > >
> > > ==============================================================================
> > > Assertion failed: sub_idx < values.size()
> > > in Function:      save
> > > in file:          Archive.cc:715
> > >
> > > Call stack:
> > >
> > > ----------------------------------------
> > > -- Stack trace at Archive.cc:715
> > > ----------------------------------------
> > > 0x7f425d252d65 __libc_start_main
> > > 0x435f45  main
> > > 0x5298dd   Workspace::immediate_execution(bool)
> > > 0x46cc45    Command::process_line()
> > > 0x46cbdf     Command::process_line(UCS_string&)
> > > 0x46c525      Command::do_APL_command(std::ostream&, UCS_string&)
> > > 0x469a74       Command::cmd_CONTINUE(std::ostream&)
> > > 0x52cbca        Workspace::save_WS(std::ostream&,
> > > std::vector<UCS_string, std::allocator<UCS_string> >&)
> > > 0x44146c         XML_Saving_Archive::save()
> > > 0x443bd1          do_Assert(char const*, char const*, char const*,
> > > int)
> > > ========================================
> > >
> > > SI stack:
> > >
> > >
> > > ==============================================================================
> > > *** immediate_execution() caught other exception ***
> > >
> > >
> > > ====================================================
> > > SEGMENTATION FAULT
> > >
> > > ----------------------------------------
> > > -- Stack trace at main.cc:121
> > > ----------------------------------------
> > > 0x7f425d252d65 __libc_start_main
> > > 0x435f45  main
> > > 0x529967   Workspace::immediate_execution(bool)
> > > 0x5006ee    TestFiles::apl_error(char const*)
> > > 0x7f425ef23750
> > > 0x48623a
> > > ========================================
> > > ====================================================
> > >
> > >
> > > Process apl exited abnormally with code 3
> > >
> > >
> > > IMPORTANT: Remember to delete CONTINUE.xml before attempting to
> > > restart APL.
> > >
> > >
> > >
> > >
> > >
> > > On Thu, Jun 12, 2014 at 12:17 PM, David Lamkins <address@hidden>
> > > wrote:
> > >          This is a preliminary report. I haven't isolated a root
> > >          cause.
> > >          
> > >          
> > >          When my package manager is in the workspace, doing )CONTINUE
> > >          crashes APL. Furthermore, APL can't be used (it launches,
> > >          but never becomes ready for input) until CONTINUE.xml is
> > >          removed.
> > >          
> > >          
> > >          I'll see what I can do tonight to come up with a brief test
> > >          case. Meanwhile, you should be able to reproduce the issue
> > >          by installing and loading the package manager obtained from:
> > >          
> > >          https://github.com/TieDyedDevil/apl-pkg
> > >          
> > >          
> > >          --
> > >          "The secret to creativity is knowing how to hide your
> > >          sources."
> > >             Albert Einstein
> > >          
> > >          
> > >          http://soundcloud.com/davidlamkins
> > >          http://reverbnation.com/lamkins
> > >          http://reverbnation.com/lcw
> > >          http://lamkins-guitar.com/
> > >          http://lamkins.net/
> > >          http://successful-lisp.com/
> > >
> > >
> > >
> > > --
> > > "The secret to creativity is knowing how to hide your sources."
> > >     Albert Einstein
> > >
> > >
> > > http://soundcloud.com/davidlamkins
> > > http://reverbnation.com/lamkins
> > > http://reverbnation.com/lcw
> > > http://lamkins-guitar.com/
> > > http://lamkins.net/
> > > http://successful-lisp.com/

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