pcre2_substitute() now sets the output buffer length to PCRE2_UNSET (~0)
if the output buffer is determined to be too small. This change keeps
track of the buffer size separately where pcre2 can't touch it.
A better fix would be to let pcre2 tell fish what size buffer it needs.
This can be done with PCRE2_SUBSTITUTE_OVERFLOW_LENGTH, but this
requires pcre2 10.21 or later (released January 12), which may be too
new to introduce as a dependency at this point.
Fixes#2743
This change eliminates global variables like stdout_buffer. Instead we wrap up
the IO information into a new struct io_streams_t, and thread that through
every builtin. This makes the intent clearer, gives us a place to hang new IO
data, and eliminates the ugly global state management like builtin_push_io.
This adds the new builtin 'string' which supports various string
manipulation and matching algorithms, including PCRE based regular
expressions.
Fixes#2296
Squashed commit of the following:
commit 4c3eaeb6e57d76463e9683c327142b0aeafb92b8
Author: ridiculousfish <corydoras@ridiculousfish.com>
Date: Sat Sep 12 12:51:30 2015 -0700
Remove testdata and doc dirs from pcre2 source
commit b2a8b4b50f2398b204fb72cfe4b5ba77ece2e1ab
Merge: 11c8a477974aab
Author: ridiculousfish <corydoras@ridiculousfish.com>
Date: Sat Sep 12 12:32:40 2015 -0700
Merge branch 'string' of git://github.com/msteed/fish-shell into string-test
commit 7974aab6d3
Author: Michael Steed <msteed@saltstack.com>
Date: Fri Sep 11 13:00:02 2015 -0600
build pcre2 lib only, no docs
commit eb20b43d2d
Merge: 1a09e705f519cb
Author: Michael Steed <msteed68@gmail.com>
Date: Thu Sep 10 20:00:47 2015 -0600
Merge branch 'string' of github.com:msteed/fish-shell into string
commit 1a09e709d0
Author: Michael Steed <msteed68@gmail.com>
Date: Thu Sep 10 19:58:24 2015 -0600
rebase on master & address the fallout
commit a0ec9772cd
Author: Michael Steed <msteed68@gmail.com>
Date: Thu Sep 10 19:26:45 2015 -0600
use fish's wildcard_match() for glob matching
commit 64c25a01e3
Author: Michael Steed <msteed68@gmail.com>
Date: Thu Aug 27 08:19:23 2015 -0600
some fixes from review
- string_get_arg_stdin(): simplify and don't discard the argument when
the trailing newline is absent
- fix calls to pcre2 for e.g. string match -r -a 'a*' 'b'
- correct test for args coming from stdin
commit ece7f35ec5
Author: Michael Steed <msteed68@gmail.com>
Date: Sat Aug 22 19:35:56 2015 -0600
fixes from review
- Makefile.in: restore iwyu target
- regex_replacer_t::replace_matches(): correct size passed to realloc()
commit 9ff7477a92
Author: Michael Steed <msteed68@gmail.com>
Date: Thu Aug 20 13:08:33 2015 -0600
Minor doc improvements
commit baf4e096b2
Author: Michael Steed <msteed68@gmail.com>
Date: Wed Aug 19 18:29:02 2015 -0600
another attempt to fix the ci build
commit 896a2c2b27
Author: Michael Steed <msteed68@gmail.com>
Date: Wed Aug 19 18:03:49 2015 -0600
Updates after review comments
- make match/replace without -a operate on the first match on each
argument
- use different exit codes for "no operation performed" and errors, as
grep does
- refactor regex compile code
- use human-friendly error messages from pcre2
- improve error handling & reporting elsewhere
- add a few tests
- make some doc fixes
- some simplification & cleanup
- fix ci build failure (I hope)
commit efd47dcbda
Author: Michael Steed <msteed68@gmail.com>
Date: Wed Aug 12 00:26:07 2015 -0600
fix dependencies for parallel make
commit ed0850e2db
Author: Michael Steed <msteed68@gmail.com>
Date: Tue Aug 11 23:37:22 2015 -0600
Add missing pcre2 files + .gitignore
commit 9492e7a7e9
Author: Michael Steed <msteed68@gmail.com>
Date: Tue Aug 11 22:44:05 2015 -0600
add pcre2-10.20 and update license.hdr
commit 1a60b93371
Author: Michael Steed <msteed68@gmail.com>
Date: Tue Aug 11 22:41:19 2015 -0600
add string builtin files
- string builtin source, tests, & docs
- changes to configure.ac & Makefile.in
commit 5f519cb2a2
Author: Michael Steed <msteed68@gmail.com>
Date: Thu Sep 10 19:26:45 2015 -0600
use fish's wildcard_match() for glob matching
commit 2ecd24f795
Author: Michael Steed <msteed68@gmail.com>
Date: Thu Aug 27 08:19:23 2015 -0600
some fixes from review
- string_get_arg_stdin(): simplify and don't discard the argument when
the trailing newline is absent
- fix calls to pcre2 for e.g. string match -r -a 'a*' 'b'
- correct test for args coming from stdin
commit 45b777e4dc
Author: Michael Steed <msteed68@gmail.com>
Date: Sat Aug 22 19:35:56 2015 -0600
fixes from review
- Makefile.in: restore iwyu target
- regex_replacer_t::replace_matches(): correct size passed to realloc()
commit 981cbb6ddf
Author: Michael Steed <msteed68@gmail.com>
Date: Thu Aug 20 13:08:33 2015 -0600
Minor doc improvements
commit ddb6a2a8fd
Author: Michael Steed <msteed68@gmail.com>
Date: Wed Aug 19 18:29:02 2015 -0600
another attempt to fix the ci build
commit 1e34e3191b
Author: Michael Steed <msteed68@gmail.com>
Date: Wed Aug 19 18:03:49 2015 -0600
Updates after review comments
- make match/replace without -a operate on the first match on each
argument
- use different exit codes for "no operation performed" and errors, as
grep does
- refactor regex compile code
- use human-friendly error messages from pcre2
- improve error handling & reporting elsewhere
- add a few tests
- make some doc fixes
- some simplification & cleanup
- fix ci build failure (I hope)
commit 34232e152d
Author: Michael Steed <msteed68@gmail.com>
Date: Wed Aug 12 00:26:07 2015 -0600
fix dependencies for parallel make
commit 00d7e78169
Author: Michael Steed <msteed68@gmail.com>
Date: Tue Aug 11 23:37:22 2015 -0600
Add missing pcre2 files + .gitignore
commit 4498aa5f57
Author: Michael Steed <msteed68@gmail.com>
Date: Tue Aug 11 22:44:05 2015 -0600
add pcre2-10.20 and update license.hdr
commit 290c58c72e
Author: Michael Steed <msteed68@gmail.com>
Date: Tue Aug 11 22:41:19 2015 -0600
add string builtin files
- string builtin source, tests, & docs
- changes to configure.ac & Makefile.in
