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Postings from November 2016
On 11/07/2016 08:34 PM, Karl Williamson wrote:
> Top posting.
>
>
> This smells like something to try valgrind on. Try
>
> make test.valgrind
You can use TEST_JOBS= to make it go faster if you have multiple cores
>
>
> On 11/07/2016 05:59 PM, James E Keenan via RT wrote:
>> On Mon, 07 Nov 2016 16:29:40 GMT, jkeenan wrote:
>>> On Mon, 07 Nov 2016 13:47:55 GMT, jkeenan wrote:
>>>> The question is: What is it about this the pattern:
>>>>
>>>> #####
>>>> /([^\S\x{202f}\x{00a0}]+)|(\p{InFullwidth})|((?:[^\s\p{InFullwidth}]|[\x{202f}\x{00a0}])+)/
>>>>
>>>> #####
>>>>
>>>> ... that (a) as of commit C<a5540cf> but not previously; and (b) in
>>>> the context of this test suite but not in isolation, perceives
>>>> something to be a read-only value not subject to modification?
>>> My next brainstorm: Add "use re 'debug';" to sub add_text() in
>>> tp/Texinfo/Convert/ParagraphNonXS.pm.
>>>
>>> When I did so and ran the debugging program found in one of my
>>> previous attachments, I got this output:
>>>
>>> #####
>>> Texinfo::Convert::ParagraphNonXS::add_text(../../tp/Texinfo/Convert/ParagraphNonXS.pm:329):
>>>
>>> 329: my @segments = split
>>> 330:
>>> /([^\S\x{202f}\x{00a0}]+)|(\p{InFullwidth})|((?:[^\s\p{InFullwidth}]|[\x{202f}\x{00a0}])+)/,
>>>
>>> 331: $text;
>>> DB<6> n
>>> Matching REx
>>> "([^\S\x{202f}\x{00a0}]+)|(\p{InFullwidth})|((?:[^\s\p{InFull"...
>>> against "This is "
>>> 0 <> <This is > | 0| 1:BRANCH(18)
>>> 0 <> <This is > | 1| 2:OPEN1(4)
>>> 0 <> <This is > | 1| 4:PLUS(16)
>>> | 1| ANYOF[\t\n\x0B\f\r \x85][1680
>>> 2000-200A 2028-2029 205F 3000] can match 0 times out of 2147483647...
>>> | 1| failed...
>>> 0 <> <This is > | 0| 18:BRANCH(34)
>>> 0 <> <This is > | 1| 19:OPEN2(21)
>>> 0 <> <This is > | 1|
>>> 21:ANYOF[+utf8::Texinfo::Convert::ParagraphNonXS::InFullwidth](32)
>>> | 1| failed...
>>> 0 <> <This is > | 0| 34:BRANCH(68)
>>> 0 <> <This is > | 1| 35:OPEN3(37)
>>> 0 <> <This is > | 1| 37:CURLYM[0]{1,INFTY}(66)
>>> 0 <> <This is > | 2| 39:BRANCH(51)
>>> 0 <> <This is > | 3| 40:ANYOF[^\t\n\x0B\f\r
>>> \x85\xA0{+utf8::Texinfo::Convert::ParagraphNonXS::InFullwidth}1680
>>> 2000-200A 2028-2029 202F 205F 3000](64)
>>> Modification of a read-only value attempted at
>>> ../../tp/Texinfo/Convert/ParagraphNonXS.pm line 329.
>>> at ../../tp/Texinfo/Convert/ParagraphNonXS.pm line 329.
>>> Texinfo::Convert::ParagraphNonXS::add_text(Texinfo::Convert::ParagraphNonXS=HASH(0x35ba938),
>>> "This is ") called at ../../tp/Texinfo/Convert/Info.pm line 308
>>> Texinfo::Convert::Info::_info_header(Texinfo::Convert::Info=HASH(0x35b3038))
>>> called at ../../tp/Texinfo/Convert/Info.pm line 81
>>> Texinfo::Convert::Info::output(Texinfo::Convert::Info=HASH(0x35b3038),
>>> HASH(0x35ab7c0)) called at ../texi2any.pl line 1348
>>> panic: POPSTACK
>>> Debugged program terminated.
>>> #####
>>>
>>> Since I have never previously used the regex debugger, I have no idea
>>> if there are any clues to a solution in that output.
>>>
>> Compiling perl at what has been identified as the last good commit,
>> and then running the test program through the debugger, I got much
>> better output. It's quite long, so I'm posting it here:
>>
>> https://gist.github.com/jkeenan/184d2aaf914e4aa0410fe2ea1f36da91
>>
>> Thank you very much.
>>
>
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