[Bug libstdc++/68863] Regular expressions: Backreferences don't work in negative lookahead

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68863

Jonathan Wakely  changed:

   What|Removed |Added

   Target Milestone|--- |4.9.4
  Known to fail||4.9.3, 5.3.0

[Bug libstdc++/68863] Regular expressions: Backreferences don't work in negative lookahead

[timshen at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68863

Tim Shen  changed:

   What|Removed |Added

 Status|UNCONFIRMED |RESOLVED
 Resolution|--- |FIXED

--- Comment #5 from Tim Shen  ---
Fixed in trunk, and backported to gcc 5 and gcc 4.9.

[Bug libstdc++/68863] Regular expressions: Backreferences don't work in negative lookahead

[timshen at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68863

--- Comment #2 from Tim Shen  ---
Author: timshen
Date: Tue Dec 15 04:50:29 2015
New Revision: 231641

URL: https://gcc.gnu.org/viewcvs?rev=231641=gcc=rev
Log:
PR libstdc++/68863
* include/bits/regex_executor.tcc (_Executor::_M_lookahead):
Copy the captured content for lookahead, so that the backreferences
inside can refer to them.
* testsuite/28_regex/algorithms/regex_match/ecma/char/68863.cc:
New testcase.

Added:
   
trunk/libstdc++-v3/testsuite/28_regex/algorithms/regex_match/ecma/char/68863.cc
Modified:
trunk/libstdc++-v3/ChangeLog
trunk/libstdc++-v3/include/bits/regex_executor.tcc

[Bug libstdc++/68863] Regular expressions: Backreferences don't work in negative lookahead

[timshen at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68863

--- Comment #4 from Tim Shen  ---
Author: timshen
Date: Tue Dec 15 05:59:01 2015
New Revision: 231643

URL: https://gcc.gnu.org/viewcvs?rev=231643=gcc=rev
Log:
Backport from mainline
2015-12-15  Tim Shen  

PR libstdc++/68863
* include/bits/regex_executor.tcc (_Executor::_M_lookahead):
Copy the captured content for lookahead, so that the backreferences
inside can refer to them.
* testsuite/28_regex/algorithms/regex_match/ecma/char/68863.cc:
New testcase.

Added:
   
branches/gcc-4_9-branch/libstdc++-v3/testsuite/28_regex/algorithms/regex_match/ecma/char/68863.cc
Modified:
branches/gcc-4_9-branch/libstdc++-v3/ChangeLog
branches/gcc-4_9-branch/libstdc++-v3/include/bits/regex_executor.tcc

[Bug libstdc++/68863] Regular expressions: Backreferences don't work in negative lookahead

[timshen at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68863

--- Comment #3 from Tim Shen  ---
Author: timshen
Date: Tue Dec 15 05:19:20 2015
New Revision: 231642

URL: https://gcc.gnu.org/viewcvs?rev=231642=gcc=rev
Log:
Backport from mainline
2015-12-15  Tim Shen  

PR libstdc++/68863
* include/bits/regex_executor.tcc (_Executor::_M_lookahead):
Copy the captured content for lookahead, so that the backreferences
inside can refer to them.
* testsuite/28_regex/algorithms/regex_match/ecma/char/68863.cc:
New testcase.

Added:
   
branches/gcc-5-branch/libstdc++-v3/testsuite/28_regex/algorithms/regex_match/ecma/char/68863.cc
Modified:
branches/gcc-5-branch/libstdc++-v3/ChangeLog
branches/gcc-5-branch/libstdc++-v3/include/bits/regex_executor.tcc

[Bug libstdc++/68863] Regular expressions: Backreferences don't work in negative lookahead

[timshen at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68863

Tim Shen  changed:

   What|Removed |Added

 CC||timshen at gcc dot gnu.org

--- Comment #1 from Tim Shen  ---
I believe that it already gets fixed in my refactoring branch
(https://github.com/innocentim/gcc/commits/master). It's waiting for review.
I'm looking at the root cause to come up with a backport, if it's needed.