Since copy-sequence seems to be needed anyway for records, have it
work on records, and remove copy-record as being superfluous.
* doc/lispref/records.texi (Records, Record Functions):
* lisp/emacs-lisp/cl-macs.el (cl-defstruct):
* lisp/emacs-lisp/eieio.el (make-instance, clone):
* test/src/alloc-tests.el (record-3):
Use copy-sequence, not copy-record, to copy records.
* doc/lispref/sequences.texi (Sequence Functions)
(Array Functions): Document that aref and copy-sequence
work on records.
* etc/NEWS: Omit copy-record.
* src/alloc.c (Fcopy_record): Remove.
* src/data.c (Faref): Document that arg can be a record.
* src/fns.c (Fcopy_sequence): Copy records, too.
In Greek, a sigma character has two lower case forms which depend on
their position in the word. Implement logic determining it.
* src/casefiddle.c (struct casing_context, case_character_impl): Don’t
assume inword is true when flag is CASE_UP and false when flag is
CASE_DOWN. For final sigma detection we need this information tracked
reliably;.
(CAPITAL_SIGMA, SMALL_SIGMA, SMALL_FINAL_SIGMA): New macros defining
Unicode code point of different forms of sigma letter.
(case_character): Implement support for final sigma casing.
(do_casify_multibyte_string, do_casify_multibyte_region): Update after
changes to case_character.
* test/src/casefiddle-tests.el (casefiddle-tests-casing): Add test
cases for final sigma.
Implement unconditional special casing rules defined in Unicode standard.
Among other things, they deal with cases when a single code point is
replaced by multiple ones because single character does not exist (e.g.
‘fi’ ligature turning into ‘FL’) or is not commonly used (e.g. ß turning
into SS).
* admin/unidata/SpecialCasing.txt: New data file pulled from Unicode
standard distribution.
* admin/unidata/README: Mention SpecialCasing.txt.
* admin/unidata/unidata-get.el (unidata-gen-table-special-casing,
unidata-gen-table-special-casing--do-load): New functions generating
‘special-uppercase’, ‘special-lowercase’ and ‘special-titlecase’
character Unicode properties built from the SpecialCasing.txt Unicode
data file.
* src/casefiddle.c (struct casing_str_buf): New structure for
representing short strings used to handle one-to-many character
mappings.
(case_character_imlp): New function which can handle one-to-many
character mappings.
(case_character, case_single_character): Wrappers for the above
functions. The former may map one character to multiple (or no)
code points while the latter does what the former used to do (i.e.
handles one-to-one mappings only).
(do_casify_natnum, do_casify_unibyte_string,
do_casify_unibyte_region): Use case_single_character.
(do_casify_multibyte_string, do_casify_multibyte_region): Support new
features of case_character.
* (do_casify_region): Updated to reflact do_casify_multibyte_string
changes.
(casify_word): Handle situation when one character-length of a word
can change affecting where end of the word is.
(upcase, capitalize, upcase-initials): Update documentation to mention
limitations when working on characters.
* test/src/casefiddle-tests.el (casefiddle-tests-char-properties):
Add test cases for the newly introduced character properties.
(casefiddle-tests-casing): Update test cases which are now passing.
* test/lisp/char-fold-tests.el (char-fold--ascii-upcase,
char-fold--ascii-downcase): New functions which behave like old ‘upcase’
and ‘downcase’.
(char-fold--test-match-exactly): Use the new functions. This is needed
because otherwise fi and similar characters are turned into their multi-
-character representation.
* doc/lispref/strings.texi: Describe issue with casing characters versus
strings.
* doc/lispref/nonascii.texi: Describe the new character properties.
* src/casefiddle.c (struct casing_context, prepare_casing_context): Add
titlecase_char_table member. It’s set to the ‘titlecase’ Unicode
property table if capitalisation has been requested.
(case_character): Make use of the titlecase_char_table to title-case
initial characters when capitalising.
* test/src/casefiddle-tests.el (casefiddle-tests--characters,
casefiddle-tests-casing): Update test cases which are now passing.
* src/alloc.c (allocate_record): New function.
(Fmake_record, Frecord, Fcopy_record): New functions.
(syms_of_alloc): defsubr them.
(purecopy): Work with records.
* src/data.c (Ftype_of): Return slot 0 for record objects, or type
name if record's type holds class.
(Frecordp): New function.
(syms_of_data): defsubr it. Define `Qrecordp'.
(Faref, Faset): Work with records.
* src/fns.c (Flength): Work with records.
* src/lisp.h (prec_type): Add PVEC_RECORD.
(RECORDP, CHECK_RECORD, CHECK_RECORD_TYPE): New functions.
* src/lread.c (read1): Add syntax for records.
* src/print.c (PRINT_CIRCLE_CANDIDATE_P): Add RECORDP.
(print_object): Add syntax for records.
* test/lisp/emacs-lisp/cl-print-tests.el (cl-print-tests-2):
New test.
* test/src/alloc-tests.el (record-1, record-2, record-3):
New tests.
* doc/lispref/elisp.texi, doc/lispref/objects.texi,
doc/lispref/records.texi: Add documentation for records.
This catches some problems with integer overflow and races
that I noticed in inotify.c after reviewing the changes
installed to fix Bug#26126.
* src/fns.c, src/lisp.h (equal_no_quit): Now extern.
* src/inotify.c (aspect_to_inotifymask):
Check for cycles and for improper lists.
(make_lispy_mask, lispy_mask_match_p): Remove.
All callers changed to use INTEGER_TO_CONS and CONS_TO_INTEGER.
(inotifyevent_to_event, add_watch):
Don’t assume watch descriptors and cookies fit in fixnums.
(add_watch): Use assoc_no_quit, not Fassoc.
Avoid integer overflow in (very!) long-running processes where
the Emacs watch ID could overflow. Avoid some duplicate code.
(find_descriptor): New function.
(remove_descriptor): First arg is now the returned value from
find_descriptor, rather than the descriptor. This way, the
value can be removed without calling Fdelete, which might quit.
Wait until the end (when watch_list is consistent) before signaling
any errors.
(remove_watch, inotify_callback):
Use find_descriptor to avoid the need for Fdelete.
(inotify_callback): Use simpler tests for ioctl failure.
Free temporary buffer if signaled, and put it on the stack if small.
Use ssize_t to index through read results, to avoid a cast.
(valid_watch_descriptor): New function, with a tighter check.
(Finotify_rm_watch, Finotify_valid_p): Use it.
(Finotify_valid_p): Use assoc_no_quit and ass_no_quit instead
of Fassoc. Do not assume the first assoc succeeds.
* test/src/inotify-tests.el (inotify-valid-p-simple):
Add inotify-valid-p tests, some of which dump core without
the fixes noted above.
Problem reported by Glenn Morris in:
http://lists.gnu.org/archive/html/emacs-devel/2017-03/msg00147.html
* src/data.c (minmax_driver): Convert any marker result to an
integer, since some callers assume this.
* test/src/data-tests.el (data-tests-max, data-tests-min):
Test for this.
* doc/lispref/numbers.texi (Comparison of Numbers):
* etc/NEWS: Document this.
* src/data.c (Amax, Amin): Remove constants. All uses removed.
(minmax_driver): New function.
(Fmax, Fmin): Use it instead of arith_driver.
* test/src/data-tests.el (data-tests-max, data-tests-min): New tests.
* etc/NEWS: Document this.
* src/data.c (store_symval_forwarding):
* src/sound.c (parse_sound):
Do not botch NaN comparison.
* src/data.c (cons_to_unsigned, cons_to_signed):
Signal an error if a floating-point arg is not integral.
* src/data.c (cons_to_unsigned, cons_to_signed):
* src/fileio.c (file_offset):
Use simpler overflow check.
* src/dbusbind.c (xd_extract_signed, xd_extract_unsigned):
Avoid rounding error in overflow check.
(Fcar_less_than_car): Use arithcompare directly.
* test/src/charset-tests.el: New file.
* admin/merge-gnulib (GNULIB_MODULES): Add count-leading-zeros.
* etc/NEWS: Document the change.
* lib/count-leading-zeros.c, lib/count-leading-zeros.h:
* m4/count-leading-zeros.m4: New files, copied from Gnulib.
* lib/gnulib.mk, m4/gnulib-comp.m4: Regenerate.
* src/floatfns.c: Include count-leading-zeros.h.
(Flogb): Do not convert fixnum to float before taking the log,
as the rounding error can cause the answer to be off by 1.
* src/lisp.h (EMACS_UINT_WIDTH): New constant.
* test/src/floatfns-tests.el (logb-extreme-fixnum): New test.
* etc/NEWS: Document this.
* src/bytecode.c (exec_byte_code):
* src/data.c (arithcompare):
Do not lose information when comparing floats to integers.
* test/src/data-tests.el (data-tests-=, data-tests-<)
(data-tests->, data-tests-<=, data-tests->=):
Test this.
Without this fix, (ceiling most-negative-fixnum -1.0) returns
most-negative-fixnum instead of correctly signaling range-error,
and similarly for floor, round, and truncate.
* configure.ac (trunc): Add a check, since Gnulib’s doc says
‘trunc’ is missing from MSVC 9. The Gnulib doc says ‘trunc’ is
also missing from some other older operating systems like Solaris
9 which I know we don’t care about any more, so MSVC is the only
reason to worry about ‘trunc’ here.
* src/editfns.c (styled_format): Formatting a float with %c is now an
error. The old code did not work in general, because FIXNUM_OVERFLOW_P
had rounding errors. Besides, the "if (FLOATP (...))" was in there
only as a result of my misunderstanding old code that I introduced
2011. Although %d etc. is sometimes used on floats that represent
huge UIDs or PIDs etc. that do not fit in fixnums, this cannot
happen with characters.
* src/floatfns.c (rounding_driver): Rework to do the right thing
when the intermediate result equals 2.305843009213694e+18, i.e.,
is exactly 1 greater than MOST_POSITIVE_FIXNUM on a 64-bit host.
Simplify so that only one section of code checks for overflow,
rather than two.
(double_identity): Remove. All uses changed to ...
(emacs_trunc): ... this new function. Add replacement for
platforms that lack ‘trunc’.
* src/lisp.h (FIXNUM_OVERFLOW_P, make_fixnum_or_float):
Make it clear that the arg cannot be floating point.
* test/src/editfns-tests.el (format-c-float): New test.
* test/src/floatfns-tests.el: New file, to test for this bug.
A compatibility digraph characters, such as Dž, are neither upper- nor
lower-case. At the moment however, those are reported as upper-case¹
despite the fact that they change when upper-cased.
Stop checking if a character is upper-case before trying to up-case it
so that title-case characters are handled correctly. This fixes one of
the issues mentioned in bug#24603.
¹ Because they change when converted to lower-case. Notice an asymmetry
in that for a character to be considered lower-case it must not be
upper-case (plus the usual condition of changing when upper-cased).
* src/buffer.h (upcase1): Delete.
(upcase): Change to upcase character unconditionally just like downcase
does it. This is what upcase1 was.
* src/casefiddle.c (casify_object, casify_region): Use upcase instead
of upcase1 and don’t check !uppercasep(x) before calling upcase.
* src/keyboard.c (read_key_sequence): Don’t check if uppercase(x), just
downcase(x) and see if it changed.
* test/src/casefiddle-tests.el (casefiddle-tests--characters,
casefiddle-tests-casing): Update test cases which are now passing.
Use Unicode data to generate case tables instead of mostly repeating
them in lisp code. Do that in a way which maps ‘Dz’ (and similar)
digraph to ‘dz’ when down- and ‘DZ’ when upcasing.
https://debbugs.gnu.org/cgi/bugreport.cgi?msg=89;bug=24603 lists all
changes to syntax table and case tables introduced by this commit.
* lisp/international/characters.el: Remove case-pairs defined with
explicit Lisp code and instead use Unicode character properties.
* test/src/casefiddle-tests.el (casefiddle-tests--characters,
casefiddle-tests-casing): Update test cases which are now working
as they should.
Fixes cases marked FIXME upcoming in followup commits.
* test/src/casefiddle-tests.el (casefiddle-tests-char-properties,
casefiddle-tests-case-table, casefiddle-tests-casing-character,
casefiddle-tests-casing, casefiddle-tests-casing-byte8,
casefiddle-tests-casing-byte8-with-changes): New tests.
(casefiddle-tests--test-casing): New helper function for runnig
some of the tests.
Problem reported by Eli Zaretskii (Bug#25606#62).
* test/src/fns-tests.el (test-cycle-lax-plist-get)
(test-cycle-plist-put, test-cycle-lax-plist-put):
Fix tests to match behavior.
Characters having both open paren syntax and comment start syntax were
being detected as open parens even when they should have been part a
comment starter (Bug#24870).
* src/syntax.c (in_2char_comment_start): New function, extracted from
`scan_sexps_forward'.
(scan_sexps_forward): Add check for a 2-char comment starter before the
loop. Inside the loop, do that check after incrementing the 'from'
character index. Move the single char comment syntax cases into the
switch instead of special casing them before.
* test/src/syntax-tests.el (parse-partial-sexp-paren-comments):
(parse-partial-sexp-continue-over-comment-marker): New tests.
'let' and 'let*' document that their first argument has to be a list,
but don't check for that; instead, they allow (and silently ignore)
other types. Introduce an explicit type check.
* src/eval.c (Flet, FletX): Check that the variable list is indeed a
list.
* test/src/eval-tests.el: Add unit tests.
* src/thread.c (last_thread_error): New static variable.
(syms_of_threads): Staticpro it.
(record_thread_error, Fthread_last_error): New functions.
(syms_of_threads): Defsubr Fthread_last_error.
* doc/lispref/threads.texi (Basic Thread Functions): Document
thread-last-error.
* test/src/thread-tests.el (thread-errors, thread-signal-early)
(threads-condvar-wait): Test the values returned by
thread-last-error.
* test/src/thread-tests.el (threads-condvar-wait): Revert
previous change. Make sure no other threads from previous
tests are running, to avoid interfering with our thread counts.
* test/src/thread-tests.el (threads-test-condvar-wait): Use
with-mutex instead of emulating it inline.
(threads-condvar-wait): Improve comments. Check that the new
thread is alive before waiting for it to become blocked on the
conditional variable.
* src/thread.c (lisp_mutex_lock, lisp_mutex_unlock)
(lisp_mutex_unlock_for_wait, condition_wait_callback)
(condition_notify_callback): Improve commentary.
(condition_wait_callback): Call post_acquire_global_lock before
attempting to lock the mutex, to make sure the lock's owner is
recorded correctly.
* test/src/thread-tests.el (threads-condvar-wait): New test.
See Bug#25366.
* src/character.c (blankp): New function for checking Unicode
horizontal whitespace.
* src/regex.c (ISBLANK): Use 'blankp' for non-ASCII horizontal
whitespace.
(BIT_BLANK): New bit for range table.
(re_wctype_to_bit, execute_charset): Use it.
* test/lisp/subr-tests.el (subr-tests--string-match-p--blank): Add
unit test for [:blank:] character class.
* test/src/regex-tests.el (test): Adapt unit test.
* doc/lispref/searching.texi (Char Classes): Document new Unicode
behavior for [:blank:].
See Bug#25120.
* src/lread.c (read_integer): Treat incomplete integer literals as errors.
* test/src/lread-tests.el (lread-empty-int-literal): New unit test for
incomplete integer literals.
* src/thread.c (post_acquire_global_lock): Don't raise the pending
signal if the thread's handlers were not yet set up, as that will
cause Emacs to exit with a fatal error. This can happen if a
thread is signaled as soon as make-thread returns, before the new
thread had an opportunity to acquire the global lock, set up the
handlers, and call the thread function.
* test/src/thread-tests.el (thread-signal-early): New test.
* src/thread.c (post_acquire_global_lock): Call
set_buffer_internal_2 instead of tricking set_buffer_internal_1
into resetting the current buffer even if it didn't change. This
avoids bug#25165, caused by failing to record the modified values
of point and mark, because current_buffer was set to NULL. Also,
don't bother re-setting the buffer if there was no thread switch,
as that just wastes cycles.
* src/buffer.c (set_buffer_internal_2): New function, with most of
the body of set_buffer_internal_1, but without the test for B
being identical to the current buffer.
(set_buffer_internal_1): Call set_buffer_internal_2 if B is not
identical to the current buffer.
* src/buffer.h (set_buffer_internal_2): Add prototype.
* test/src/thread-tests.el (thread-sticky-point): New test.
* src/thread.h (struct thread_state): Add members
m_waiting_for_input and m_input_available_clear_time.
(waiting_for_input, input_available_clear_time): New macros.
* src/keyboard.c (waiting_for_input, input_available_clear_time):
Remove; they are now macros that reference the current thread.
(Bug#25171)
* src/w32select.c: Don't include keyboard.h.
* test/src/thread-tests.el (thread-errors): New test.
For hashtable entries with symbol keys, `test-completion' would convert
the key to a string before calling PREDICATE, unlike `try-completion'
and `all-completions'.
* src/minibuf.c (Ftest_completion): Pass original key from hashtable.
Since 2016-06-26 "Fix test-completion with completion-regexp-list", when
calling test-completion with an alist collection, the predicate was
recieving the string value instead of the alist entry (Bug#24966).
* src/minibuf.c (Ftest_completion): Don't modify the found element, just
test STRING against `completion-regexp-list'.
* test/src/minibuf-tests.el: New tests for `try-completion',
`all-completions', and `test-completion'.
See Bug#24673
* src/eval.c (funcall_lambda): Fix crash for bogus functions such
as (closure).
* test/src/eval-tests.el (eval-tests--bug24673): Add test.
