We'll I misread the code.  It appears the check for the compile
is ok but the PDL::Core::myeval may not be returning the fail.

Anyone have an idea on what the origin of PDL::Core::myeval
was and why it was needed?

--Chris

On Mon, Nov 14, 2011 at 5:23 PM, Chris Marshall <[email protected]> wrote:
> It looks like a bug in perldl.  I can reproduce the
> same behavior as well.  The problem appears to be
> either the eval on line 655 generating $__coderef
> or some overly aggressive error message filtering
> in the substitutions to remove extra 'in cleanup' stuff
> from the $@.  My bet is the first one since not
> checking for $@ would mean that compile errors in
> creating $__coderef would not be caught.
>
> --Chris
>
> On Mon, Nov 14, 2011 at 3:32 PM, Derek Lamb <[email protected]> wrote:
>> In pdl2 it works just fine.  Here's an example that has nothing to do with 
>> any PDL module, only the PDL shell being used.  In the perldl shell, when I 
>> try to print to an unopened file handle, I get no error, but when I do the 
>> same thing in the pdl2 shell it gives me an appropriate error.  I guess one 
>> workaround would be to abandon the perldl shell on this machine, but it's 
>> worked just fine for so many years, and works just fine on other 
>> platforms...  I'm so confused.
>>
>> cheers,
>> Derek
>>
>> ###use perldl shell
>> $ perl -Mblib perldl
>> perlDL shell v1.354_001
>> <snip>
>> Loaded PDL v2.4.9_010 (supports bad values)
>> pdl> print STDOUT "here is a stdout message\n";
>> here is a stdout message
>>
>> pdl> print STDERR "here is a stderr message\n";
>> here is a stderr message
>>
>> pdl> print ASDF "here is a asdf message\n";
>>
>> pdl> exit
>>
>> ### use pdl2 shell
>> $ perl -Mblib blib/script/pdl2
>> Use of qw(...) as parentheses is deprecated at 
>> /Users/derek/Build/PDL/blib/lib/PDL/Perldl2/Script.pm line 28.
>> Use of qw(...) as parentheses is deprecated at 
>> /Users/derek/Build/PDL/blib/lib/PDL/Perldl2/Script.pm line 38.
>> Perldl2 Shell v0.005
>> <snip>
>> Loaded PDL v2.4.9_010
>>
>> load_rcfile: got $HOME = /Users/derek
>> load_rcfile: loading /Users/derek/.perldlrc
>> pdl> print STDOUT "here is a stdout message\n";
>> here is a stdout message
>>
>> pdl> print STDERR "here is a stderr message\n";
>> here is a stderr message
>>
>> pdl> print ASDF "here is a asdf message\n";
>> print() on unopened filehandle ASDF at (eval 367) line 5, <DATA> line 387.
>>
>> pdl> exit
>>
>>
>> On Nov 12, 2011, at 12:13 AM, chm wrote:
>>
>>> I just tried the example in pdl2 and perldl for
>>> cygwin and strawberry perl on winXP and was unable
>>> to reproduce the problem.  Maybe someone else will
>>> have better luck.  If you run pdl2, do you get the
>>> same problem?  (If you don't have Devel::REPL installed
>>> then pdl2 should fall back to perldl).
>>>
>>> --Chris
>>>
>>> On 11/11/2011 7:40 PM, Derek Lamb wrote:
>>>> I'm resurrecting this old email, because I think a similar problem
>>>> I'm having is related, and am looking for more ways to dig into it.
>>>>
>>>> In the perldl shell, PDL::AutoLoader doesn't complain (as I expect it
>>>> to) if it can't find a file to autoload.  In particular if I do the
>>>> following: ---------- pdl>  $PDL::verbose=1 pdl>  $PDL::debug=1 pdl>
>>>> asdf() AutoLoader: Expanding directories from .:.:+~/pdl:+./pdl...
>>>> AutoLoader: returning  .,.,/Users/derek/pdl,<snip a whole bunch of
>>>> directories>, Loading asdf.pdl ...I am here and $s is PDL AutoLoader:
>>>> Undefined subroutine asdf() cannot be autoloaded. ----------- Where I
>>>> have inserted a statement
>>>>
>>>> print "I am here and \$s is $s\n"
>>>>
>>>> to line 208 of Basic/AutoLoader.pm, right before the line
>>>>
>>>> die $s."\tNo file `$func.pdl' was found in your \@PDLLIB path.\n";
>>>>
>>>> It seems like the call to perl's die is getting executed, because a
>>>> print statement inserted after the die call does not get executed.
>>>>
>>>> If I run the same thing as a one-liner I get the appropriate error:
>>>> -------- $ perl -MPDL::AutoLoader -e 'asdf();' PDL AutoLoader:
>>>> Undefined subroutine asdf() cannot be autoloaded. No file `asdf.pdl'
>>>> was found in your @PDLLIB path. --------
>>>>
>>>> ***And if I run perldl in the debugger, I also get the desired
>>>> error***
>>>>
>>>> ------- $ perl -d perldl __DB<1>  n ##then press enter until it gets
>>>> to the addhistory line around perldl:252 DB<2>  use PDL::AutoLoader
>>>>
>>>> DB<3>  asdf() PDL AutoLoader:  Undefined subroutine asdf() cannot be
>>>> autoloaded. No file `asdf.pdl' was found in your @PDLLIB path.
>>>> -------
>>>>
>>>> So it's not like AutoLoader is inherently broken, but rather
>>>> something about running perldl _NOT_ in the debugger is causing calls
>>>> to perl's die() to not print their messages. I'm running a much
>>>> simpler Perl installation now, since I accidentally wiped my whole
>>>> perl tree last weekend.  So now the only PDL installed is 2.4.9_010.
>>>> And experiments with different ReadLine modules (Perl, Gnu) that
>>>> Chris suggested did not seem to help any.  I don't see any
>>>> $SIG{__DIE__} definitions in perldl, but there are some elsewhere in
>>>> the PDL source tree, but nothing looked likely to me.
>>>>
>>>> Any other ideas?
>>>>
>>>> cheers, Derek
>>>>
>>>>
>>>> On Aug 5, 2011, at 8:03 AM, Chris Marshall wrote:
>>>>
>>>>> Hi Derek-
>>>>>
>>>>> I cannot reproduce the problem with PDL-2.4.9 for either the
>>>>> one-liner, pdl2, or perldl.  All report the mismatch error.  Two
>>>>> thoughts come to mind:
>>>>>
>>>>> (1) Try using the perl readline for your shell (assuming you are
>>>>> using GNU readline by default.  Maybe the error is there but being
>>>>> "lost" somehow, e.g.:
>>>>>
>>>>> PERL_RL=Perl perldl
>>>>>
>>>>> (2) It is possible that you have some contamination between the
>>>>> 2.4.7 PDL install and any others on your system.  Sometimes it is
>>>>> difficult to isolate everything. The only sure way would probably
>>>>> be a complete, separate perl install and all modules for the 2.4.7
>>>>> stuff.
>>>>>
>>>>> Are the two systems you need to be bug-for-bug compatible on the
>>>>> same OS, hardware, perl, ...? If not, it might be difficult to be
>>>>> fully "compatible".
>>>>>
>>>>> Cheers, Chris
>>>>>
>>>>> On Thu, Aug 4, 2011 at 4:47 PM, Derek Lamb<[email protected]>
>>>>> wrote:
>>>>>> If I run this one-liner on the command-line, I get the expected
>>>>>> warning:
>>>>>>
>>>>>> $ perl -MPDL -e 'print ones(2,4)+zeroes(5,7);' PDL:
>>>>>> PDL::Ops::plus(a,b,c): Parameter 'b' PDL: Mismatched implicit
>>>>>> thread dimension 0: should be 2, is 5
>>>>>>
>>>>>> Caught at file -e, line 1, pkg main
>>>>>>
>>>>>>
>>>>>> If I run it in the pdl2 shell, I get the warning.  But if I run
>>>>>> the same thing in the perldl shell, I get no warning at all--it
>>>>>> looks like a successful command unless I try to assign that to a
>>>>>> variable and find out later that the variable doesn't exist.
>>>>>> This happens for PDL 2.4.7 as well as the current git
>>>>>> (2.4.9_004).  I do get the warning in the perldl shell on a Linux
>>>>>> machine running 2.4.9_002.  So it makes me think there is a funny
>>>>>> interaction between the components of my current setup.  perldl
>>>>>> -V output is pasted below.  FWIW I'm still running PDL 2.4.7
>>>>>> because for now I need to be bug-for-bug compatible with another
>>>>>> machine in a production environment.  Has anybody else seen
>>>>>> something like this, or have any ideas?
>>>>>>
>>>>>> Derek
>>>>>>
>>>>>> ----------
>>>>>>
>>>>>> $ perldl -V perlDL shell v1.354 PDL comes with ABSOLUTELY NO
>>>>>> WARRANTY. For details, see the file 'COPYING' in the PDL
>>>>>> distribution. This is free software and you are welcome to
>>>>>> redistribute it under certain conditions, see the same file for
>>>>>> details.
>>>>>>
>>>>>> Summary of my PDL configuration
>>>>>>
>>>>>> VERSION: PDL v2.4.7 (supports bad values)
>>>>>>
>>>>>> $%PDL::Config = { 'BADVAL_PER_PDL' =>  '0', 'WITH_PROJ' =>  '1',
>>>>>> 'FFTW_TYPE' =>  'double', 'FFTW_LIBS' =>  [ '/opt/local/lib' ],
>>>>>> 'WITH_FFTW' =>  '1', 'GSL_LIBS' =>  undef, 'GL_BUILD' =>  '0',
>>>>>> 'WITH_IO_BROWSER' =>  '0', 'PROJ_INC' =>  [ '/opt/local/include'
>>>>>> ], 'WHERE_PLPLOT_INCLUDE' =>
>>>>>> '/Users/derek/local/include/plplot', 'WITH_KARMA' =>  '0',
>>>>>> 'WHERE_KARMA' =>  undef, 'HTML_DOCS' =>  '1',
>>>>>> 'SKIP_KNOWN_PROBLEMS' =>  '0', 'WHERE_PLPLOT_LIBS' =>
>>>>>> '/Users/derek/local/lib', 'WITH_3D' =>  '1', 'WITH_POSIX_THREADS'
>>>>>> =>  '0', 'FFTW_INC' =>  [ '/opt/local/include' ], 'POGL_VERSION'
>>>>>> =>  '0.63', 'HIDE_TRYLINK' =>  '1', 'HDF_INC' =>  [
>>>>>> '/opt/local/include' ], 'WITH_HDF' =>  '1', 'POGL_WINDOW_TYPE' =>
>>>>>> 'glut', 'WITH_GD' =>  '1', 'WITH_BADVAL' =>  '1', 'FITS_LEGACY'
>>>>>> =>  '1', 'WITH_SLATEC' =>  '1', 'BADVAL_USENAN' =>  '0',
>>>>>> 'WITH_DEVEL_REPL' =>  '1', 'TEMPDIR' =>
>>>>>> '/var/folders/cp/cpF7SuTpEJqtly5xlloAak+++TI/-Tmp-', 'PROJ_LIBS'
>>>>>> =>  [ '/opt/local/lib' ], 'USE_POGL' =>  '1', 'GD_LIBS' =>  [
>>>>>> '/opt/local/lib' ], 'GSL_INC' =>  undef, 'GD_INC' =>  [
>>>>>> '/opt/local/include' ], 'OPTIMIZE' =>  '-g', 'WITH_GSL' =>  '1',
>>>>>> 'HDF_LIBS' =>  [ '/opt/local/lib' ], 'MALLOCDBG' =>  {},
>>>>>> 'WITH_PLPLOT' =>  '0', 'WITH_MINUIT' =>  '1', 'MINUIT_LIB' =>
>>>>>> undef }; Summary of my perl5 (revision 5 version 14 subversion 1)
>>>>>> configuration:
>>>>>>
>>>>>> Platform: osname=darwin, osvers=10.7.0,
>>>>>> archname=darwin-multi-2level uname='darwin turul 10.7.0 darwin
>>>>>> kernel version 10.7.0: sat jan 29 15:17:16 pst 2011;
>>>>>> root:xnu-1504.9.37~1release_i386 i386 ' config_args='-D
>>>>>> inc_version_list=5.14.0/darwin-multi-2level 5.14.0 -des
>>>>>> -Dprefix=/opt/local -Dscriptdir=/opt/local/bin
>>>>>> -Dcppflags=-I/opt/local/include -Dccflags=-pipe -O2 -arch x86_64
>>>>>> -Dldflags=-L/opt/local/lib -arch x86_64 -Dvendorprefix=/opt/local
>>>>>> -Dusemultiplicity=y -D cc=/usr/bin/gcc-4.2 -D ld=/usr/bin/gcc-4.2
>>>>>> -D man1ext=1pm -D man3ext=3pm -D
>>>>>> man1dir=/opt/local/share/man/man1p -D
>>>>>> man3dir=/opt/local/share/man/man3p -D
>>>>>> siteman1dir=/opt/local/share/man/man1 -D
>>>>>> siteman3dir=/opt/local/share/man/man3 -D
>>>>>> vendorman1dir=/opt/local/share/man/man1 -D
>>>>>> vendorman3dir=/opt/local/share/man/man3 -D pager=/usr/bin/less
>>>>>> -sR' hint=recommended, useposix=true, d_sigaction=define
>>>>>> useithreads=undef, usemultiplicity=define useperlio=define,
>>>>>> d_sfio=undef, uselargefiles=define, usesocks=undef
>>>>>> use64bitint=define, use64bitall=define, uselongdouble=undef
>>>>>> usemymalloc=n, bincompat5005=undef Compiler:
>>>>>> cc='/usr/bin/gcc-4.2', ccflags ='-pipe -O2 -arch x86_64
>>>>>> -fno-common -DPERL_DARWIN -I/opt/local/include -no-cpp-precomp
>>>>>> -fno-strict-aliasing -fstack-protector -I/opt/local/include',
>>>>>> optimize='-O3', cppflags='-I/opt/local/include -no-cpp-precomp
>>>>>> -pipe -O2 -arch x86_64 -fno-common -DPERL_DARWIN
>>>>>> -I/opt/local/include -no-cpp-precomp -fno-strict-aliasing
>>>>>> -fstack-protector -I/opt/local/include' ccversion='',
>>>>>> gccversion='4.2.1 (Apple Inc. build 5666) (dot 3)',
>>>>>> gccosandvers='' intsize=4, longsize=8, ptrsize=8, doublesize=8,
>>>>>> byteorder=12345678 d_longlong=define, longlongsize=8,
>>>>>> d_longdbl=define, longdblsize=16 ivtype='long', ivsize=8,
>>>>>> nvtype='double', nvsize=8, Off_t='off_t', lseeksize=8
>>>>>> alignbytes=8, prototype=define Linker and Libraries: ld='env
>>>>>> MACOSX_DEPLOYMENT_TARGET=10.6 /usr/bin/gcc-4.2', ldflags
>>>>>> ='-L/opt/local/lib -arch x86_64 -fstack-protector'
>>>>>> libpth=/opt/local/lib /usr/lib libs=-lgdbm -ldbm -ldl -lm -lutil
>>>>>> -lc perllibs=-ldl -lm -lutil -lc libc=, so=dylib,
>>>>>> useshrplib=false, libperl=libperl.a gnulibc_version='' Dynamic
>>>>>> Linking: dlsrc=dl_dlopen.xs, dlext=bundle, d_dlsymun=undef,
>>>>>> ccdlflags=' ' cccdlflags=' ', lddlflags='-L/opt/local/lib -arch
>>>>>> x86_64 -bundle -undefined dynamic_lookup -fstack-protector'
>>>>>> -----------
>>>>>>
>>>>>>
>>>>>> _______________________________________________ Perldl mailing
>>>>>> list [email protected]
>>>>>> http://mailman.jach.hawaii.edu/mailman/listinfo/perldl
>>>
>>
>>
>

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