Re: Format by example

[Bill Heagy]

I still see a segfault.


wheagy@bigflight:~/apl_svn/apl/trunk$ akt src/apl

                    ______ _   __ __  __    ___     ____   __
                   / ____// | / // / / /   /   |   / __ \ / /
                  / / __ /  |/ // / / /   / /| |  / /_/ // /
                 / /_/ // /|  // /_/ /   / ___ | / ____// /___
                 \____//_/ |_/ \____/   /_/  |_|/_/    /_____/

                    Welcome to GNU APL version 1.8 / 1334M

                Copyright (C) 2008-2020  Dr. Jürgen Sauermann
                       Banner by FIGlet: www.figlet.org

                This program comes with ABSOLUTELY NO WARRANTY;
                        for details run: src/apl --gpl.

     This program is free software, and you are welcome to redistribute it
         according to the GNU Public License (GPL) version 3 or later.

      'This is a description 55,550.' ⍕ 5 5⍴1

==============================================================================
Assertion failed: row.size() == format.size()
in Function:      format_by_example
in file:          Bif_F12_FORMAT.cc:289

Call stack:

----------------------------------------
-- Stack trace at Bif_F12_FORMAT.cc:289
----------------------------------------
0x7FFA3BF15CCA __libc_start_main
0x556DAC21C045  main
0x556DAC395175   Workspace::immediate_execution(bool)
0x556DAC27B4CB    Command::process_line()
0x556DAC27C04A     Command::do_APL_expression(UCS_string&)
0x556DAC27B56F      Command::finish_context()
0x556DAC284878       Executable::execute_body() const
0x556DAC338121        StateIndicator::run()
0x556DAC2B75EE         Prefix::reduce_statements()
0x556DAC2B0A98          Prefix::reduce_A_F_B_()
0x556DAC244E00           Bif_F12_FORMAT::eval_AB(Value_P, Value_P)
0x556DAC244CA9            Bif_F12_FORMAT::format_by_example(Value_P, 
Value_P)
0x556DAC2373C9             do_Assert(char const*, char const*, char 
const*, int)
========================================

SI stack:

Depth:      0
Exec:       0x556dacb32980
Safe exec:  0
Pmode:      ◊  'This is a description 55,550.' ⍕ 5 5⍴1
PC:         5 (7) ENDL
Stat:       'This is a description 55,550.' ⍕ 5 5⍴1
err_code:   0x0


==============================================================================


===================================================
SEGMENTATION FAULT

----------------------------------------
-- Stack trace at main.cc:88
----------------------------------------
0x7FFA3BF15CCA __libc_start_main
0x556DAC21C045  main
0x556DAC395175   Workspace::immediate_execution(bool)
0x556DAC27B4CB    Command::process_line()
0x556DAC27C04A     Command::do_APL_expression(UCS_string&)
0x556DAC27B56F      Command::finish_context()
0x556DAC284878       Executable::execute_body() const
0x556DAC338121        StateIndicator::run()
0x556DAC2B75EE         Prefix::reduce_statements()
0x556DAC2B3C93          Prefix::reduce_END_B__()
0x556DAC338A55           StateIndicator::statement_result(Token&, bool)
0x556DAC38E9BD            Value::print(std::ostream&) const
0x556DAC2D4F6E             PrintBuffer::PrintBuffer(Value const&, 
PrintContext const&, std::ostream*)
munmap_chunk(): invalid pointer
wheagy@bigflight:~/apl_svn/apl/trunk$

On 8/8/20 8:59 AM, Dr. Jürgen Sauermann wrote:
> Hi Bill,
>
> I believe I have fixed this, *SVN 1334*.
>
> However, I would try to avoid "format by example" where possible. It looks 
> simple at
> first glance, but seems to allow somewhat  quirky format strings (e.g. numbers 
> with
> multiple decimal points) whose proper implementation would require far more 
> effort
> than the current implementation.
>
> Best Regards,
> Jürgen
>
>
>
> On 8/6/20 10:09 PM, Bill Daly wrote:
> > I was not really sure of how format by example worked:
> >
> >       'This is a description 55,550.' ⍕ t1[1;1]
> >
> > ==============================================================================
> > Assertion failed: row.size() == format.size()
> > in Function:      format_by_example
> > in file:          Bif_F12_FORMAT.cc:289
> >
> > Call stack:
> >
> > ----------------------------------------
> > -- Stack trace at Bif_F12_FORMAT.cc:289
> > ----------------------------------------
> > 0x7FA80A0F4B97 __libc_start_main
> > 0x5574C5E7DFE5  main
> > 0x5574C6006085   Workspace::immediate_execution(bool)
> > 0x5574C5EDEAB8    Command::process_line()
> > 0x5574C5EDF6F8     Command::do_APL_expression(UCS_string&)
> > 0x5574C5EDEBCD      Command::finish_context()
> > 0x5574C5EE7C37       Executable::execute_body() const
> > 0x5574C5FA4734        StateIndicator::run()
> > 0x5574C5F1E470         Prefix::reduce_statements()
> > 0x5574C5F16A52          Prefix::reduce_A_F_B_()
> > 0x5574C5EA29E3           Bif_F12_FORMAT::eval_AB(Value_P, Value_P)
> > 0x5574C5EA2701 Bif_F12_FORMAT::format_by_example(Value_P, Value_P)
> > 0x5574C5E93EE7             do_Assert(char const*, char const*, char const*, int)
> > ========================================
> >
> > SI stack:
> >
> > Depth:      0
> > Exec:       0x5574c8288a90
> > Safe exec:  0
> > Pmode:      ◊  'This is a description 55,550.' ⍕ t1[1;1]
> > PC:         8 (10) ENDL
> > Stat:       'This is a description 55,550.' ⍕ t1[1;1]
> > err_code:   0x0
> >
> >
> > ==============================================================================
> >
> >
> > ===================================================
> > SEGMENTATION FAULT
> >
> > ----------------------------------------
> > -- Stack trace at main.cc:88
> > ----------------------------------------
> > 0x7FA80AE278A0
> > 0x5574C5E8512B
> > ========================================
> > ====================================================
> >
> >
> > Process apl exited abnormally with code 3
> >
> > w