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* Minor redisplay optimisationsStefan Monnier2017-02-232-10/+11
| | | | | | | | * src/frame.c (Ficonify_frame): No need to redisplay everything. * src/xdisp.c (overlay_arrows_changed_p): Add `set_redisplay' argument. (redisplay_internal): Use it to avoid redisplaying everything. (try_window_id): Use it keep the same behavior as before.
* * lisp/emacs-lisp/cl-print.el: New fileStefan Monnier2017-02-231-10/+22
| | | | | | | | | | * lisp/emacs-lisp/nadvice.el (advice--where): New function. (advice--make-docstring): Use it. * src/print.c (print_number_index): Don't declare here any more. (Fprint_preprocess): New function. * test/lisp/emacs-lisp/cl-print-tests.el: New file.
* Support read syntax for circular objects in Edebug (Bug#23660)Gemini Lasswell2017-02-231-5/+7
| | | | | | | | | | | * lisp/emacs-lisp/edebug.el (edebug-read-special): New name for edebug-read-function. Handle the read syntax for circular objects. (edebug-read-objects): New variable. (edebug-read-and-maybe-wrap-form1): Reset edebug-read-objects. * src/lread.c (Fsubstitute_object_in_subtree): Make substitute_object_in_subtree into a Lisp primitive.
* Merge from gnulibPaul Eggert2017-02-231-2/+2
| | | | | | | | | | | This incorporates: 2017-02-16 xbinary-io: rename from xsetmode 2017-02-15 xsetmode: new module * lib-src/etags.c (main): * lib-src/hexl.c (main): * src/emacs.c (main) [MSDOS]: Prefer set_binary_mode to the obsolescent SET_BINARY. * lib/binary-io.c, lib/binary-io.h: Copy from gnulib.
* Avoid quitting inside a critical section on MS-WindowsEli Zaretskii2017-02-232-0/+51
| | | | | | | | | | * src/w32uniscribe.c (uniscribe_list_family): * src/w32font.c (w32font_list_family, w32font_text_extents) (w32font_list_internal, w32font_match_internal) (list_all_matching_fonts): Prevent quitting while these functions cons lists of fonts, to avoid leaving the critical section taken by the main thread, which will then cause any other thread attempting to enter the critical section to hang. (Bug#25279)
* Minor weak hash table performance tweaksPaul Eggert2017-02-211-5/+3
| | | | | | | | * src/fns.c (make_hash_table): Omit unnecessary assignment to h->next_weak when the hash table is not weak. (copy_hash_table): Put the copy next to the original in the weak_hash_tables list, as this should have better locality when scanning the weak hash tables.
* Use float instead of Lisp_Object for rehash_sizePaul Eggert2017-02-219-76/+81
| | | | | | | | | | | | | | | | | | * src/alloc.c (purecopy_hash_table): * src/fns.c (maybe_resize_hash_table, Fmake_hash_table): (Fhash_table_rehash_size): * src/lisp.h (struct Lisp_Hash_Table.rehash_size): The rehash_size member of struct Lisp_Hash_Table is now a float, not a Lisp_Object. * src/alloc.c (purecopy_hash_table): Assign members in order. * src/fns.c (make_hash_table): Use EMACS_INT for size and float for rehash_size, instead of Lisp_Object for both. All callers changed. * src/lisp.h (DEFAULT_REHASH_SIZE): Now float, not double, and 1 smaller. * src/print.c (print_object): Simplify by calling Fhash_table_rehash_size and Fhash_table_rehash_threshold. Avoid unnecessary NILP.
* Use ptrdiff_t instead of Lisp_Object for collisionPaul Eggert2017-02-214-103/+106
| | | | | | | | | | | | | | | | | | | | | | * src/alloc.c (purecopy_hash_table): Assign, don’t purecopy. * src/fns.c (set_hash_next_slot, set_hash_index_slot): Hash index arg is now ptrdiff_t index (or -1 if empty), not Lisp_Object integer (or Qnil if empty). All callers changed. (larger_vecalloc): New static function. (larger_vector): Use it. (HASH_NEXT, HASH_INDEX): Move here from lisp.h. Return ptrdiff_t index (or -1) not Lisp_Object integer (or Qnil). All callers changed. * src/fns.c (make_hash_table, maybe_resize_hash_table, hash_lookup) (hash_put, hash_remove_from_table, hash_clear, sweep_weak_table): * src/profiler.c (evict_lower_half, record_backtrace): -1, not nil, is now the convention for end of collision list. * src/fns.c (maybe_resize_hash_table): Avoid double-initialization of the free list. Reallocate H->next last, in case other reallocations exhaust memory. * src/lisp.h (struct Lisp_Hash_Table): ‘next_free’ is now ptrdiff_t, not Lisp_Object. Adjust commentary for ‘next’ and ‘index’, which no longer contain nil. (HASH_NEXT, HASH_INDEX): Move to src/fns.c.
* Hash table threshold is now float, not doublePaul Eggert2017-02-212-14/+16
| | | | | | | | | | | | | | | Change default from 0.8 to 0.8125 so it fits in float without rounding glitches. * doc/lispref/hash.texi (Creating Hash): * doc/lispref/objects.texi (Hash Table Type): * etc/NEWS: Document change. * src/fns.c (make_hash_table, maybe_resize_hash_table) (Fmake_hash_table): Threshold is now float, not double. Be consistent about how this is rounded. * src/lisp.h (struct Lisp_Hash_Table.rehash_threshold): Change back to float, now that the other code rounds consistently. (DEFAULT_REHASH_THRESHOLD): Now float 0.8125 instead of double 0.8.
* Verify xwidget USE_LSB_TAG assumptionPaul Eggert2017-02-201-0/+2
| | | | | * src/xwidget.c (Fxwidget_webkit_execute_script): Add verification. Problem reported by Andreas Schwab (Bug#25816#8).
* * src/insdel.c (make_gap): Improve comment.Stefan Monnier2017-02-201-1/+3
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* Port xwidget to -DCHECK_LISP_OBJECT_TYPEPaul Eggert2017-02-201-5/+12
| | | | | | | * src/xwidget.c (webkit_javascript_finished_cb) (Fxwidget_webkit_execute_script): Don't assume Lisp_Object is an integer. This fix is just a hack; I’ll file a bug report about the underlying problem.
* ; * src/insdel.c: State file encoding explicitly.Eli Zaretskii2017-02-201-1/+1
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* Fix glitches in recent hash table changesPaul Eggert2017-02-192-8/+7
| | | | | | | | | | | * src/fns.c (Fmake_hash_table): Simplify the machine code slightly by using 0 rather than -1. * src/lisp.h (struct Lisp_Hash_Table.pure): Now bool rather than a bitfield, for speed (the bitfield did not save space). (struct Lisp_Hash_Table.rehash_threshold): Now double rather than float, since the float caused unwanted rounding errors, e.g., (hash-table-rehash-threshold (make-hash-table)) yielded 0.800000011920929 instead of the correct 0.8.
* * src/insdel.c (make_gap): Increase enough to avoid O(N^2) behavior.Stefan Monnier2017-02-191-1/+14
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* ; Minor fix of recent change in fringe.cEli Zaretskii2017-02-191-2/+2
| | | | | * src/fringe.c (init_fringe_bitmap) [HAVE_NTGUI]: Remove an unnecessary #ifdef introduced in a recent change.
* ; * src/fns.c (Fmake_hash_table): Prefer 'double' to 'float'.Eli Zaretskii2017-02-191-1/+1
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* Avoid aborts during loadupEli Zaretskii2017-02-194-6/+6
| | | | | | | | * src/emacs-module.c (syms_of_module): * src/image.c (xpm_make_color_table_h): Update calls to make_hash_table to adjust to a recent change in fns.c. * src/fns.c (make_hash_table): * src/lisp.h (make_hash_table): 4th arg is now of type double.
* Fix fringe bitmap initialization on MS-WindowsYAMAMOTO Mitsuharu2017-02-191-0/+13
| | | | | * src/fringe.c (init_fringe_bitmap) [HAVE_NTGUI]: Fix initialization of fb->bits. (Bug#25673)
* Change type of `rehash_threshold' and `pure' fields in hash-tablesStefan Monnier2017-02-187-42/+42
| | | | | | | | | | | | * src/lisp.h (struct Lisp_Hash_Table): Change type of `rehash_threshold' and `pure' fields and move them after `count'. * src/fns.c (make_hash_table): Change type of `rehash_threshold' and `pure'. (Fmake_hash_table, Fhash_table_rehash_threshold): * src/category.c (hash_get_category_set): * src/xterm.c (syms_of_xterm): * src/profiler.c (make_log): * src/print.c (print_object): * src/alloc.c (purecopy_hash_table, purecopy): Adjust accordingly.
* Use 'char *FOO' instead of 'char* FOO'Paul Eggert2017-02-1821-57/+60
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* Support 24-bit direct colors on text terminalsRami Ylimäki2017-02-182-0/+18
| | | | | | | | | | | | | | | | | | | * src/term.c (init_tty): Use 24-bit terminal colors if corresponding foreground and background functions are present in terminal type definition. * src/tparam.h: Define prototype for tigetstr. * lisp/term/tty-colors.el (tty-color-define): Convert color palette index to pixel value on 16.7M color terminals. (tty-color-24bit): New function to convert color palette index to pixel value on 16.7M color terminals. (tty-color-desc): Don't approximate colors on 16.7M color terminals. * lisp/term/xterm.el (xterm-register-default-colors): Define all named TTY colors on 16.7M color terminals. * doc/misc/efaq.texi (Colors on a TTY): Add instructions on how to enable direct color TTY mode. * etc/NEWS: Mention direct color TTY mode and point to FAQ.
* Remove unused TN_max_pairs fieldRami Ylimäki2017-02-182-10/+0
| | | | | | | * src/termchar.h (tty_display_info): Remove TN_max_pairs field, describing maximum number of terminal background/foreground color pairs. * src/term.c (tty_default_color_capabilities, tty_setup_colors) (init_tty): Remove references to TN_max_pairs.
* Improve commentary for a recent change in keyboard.cEli Zaretskii2017-02-181-1/+1
| | | | | * src/keyboard.c (Fset__this_command_keys): Add a comment about the magic 248 value. (Bug#25612)
* Remove annoying warnings about let-bindingEli Zaretskii2017-02-181-19/+0
| | | | | | * src/data.c (Fmake_variable_buffer_local, Fmake_local_variable): Remove warnings about making symbols local while let-bound. (Bug#25561)
* Remove the build number from emacs-version variableGlenn Morris2017-02-171-1/+6
| | | | | | | | | | | | | | | It's a largely internal detail that can confuse users. (Bug#25590) * lisp/version.el (emacs-build-number): New constant. (emacs-version): Use emacs-build-number. * lisp/loadup.el (top-level): When dumping, increment emacs-build-number rather than emacs-version. * src/emacs.c (emacs-version): Doc fix. * doc/lispref/intro.texi (Version Info): Update emacs-version details. Mention emacs-build-number. * lisp/gnus/gnus-util.el (gnus-emacs-version): * lisp/mail/emacsbug.el (report-emacs-bug): * admin/admin.el (set-version): Update for emacs-version change. ; * etc/NEWS: Mention this.
* Explicit error on changing case of negative integersGlenn Morris2017-02-161-1/+1
| | | | | * src/casefiddle.c (casify_object): Reject negative integers: Emacs characters are positive integers. (Bug#25684)
* ; Spelling, punctuation and minor wording fixesPaul Eggert2017-02-162-2/+2
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* * src/buffer.h: Fix indenting.Paul Eggert2017-02-161-1/+2
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* Add sanity checks for Bswitch hash tablesPaul Eggert2017-02-161-12/+17
| | | | | * src/bytecode.c (exec_byte_code) [BYTE_CODE_SAFE]: Check that operand is a hash table and hashes to ints.
* * src/keyboard.c (read_key_sequence): Fix integer-overflow glitch.Paul Eggert2017-02-161-8/+8
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* casing: don’t assume letters are *either* upper- or lower-case (bug#24603)Michal Nazarewicz2017-02-153-32/+31
| | | | | | | | | | | | | | | | | | | | | | | | | | | 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.
* src/bytecode.c (exec_byte_code): Make hash_code a Lisp_Object.Vibhav Pant2017-02-111-2/+4
| | | | | This avoids using XUINT every time while comparing it with HASH_HASH (h, i), replacing it with EQ.
* src/bytecode.c (exec_byte_code): Remove unnecessary (e)assert.Vibhav Pant2017-02-111-4/+2
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* ; src/bytecode.c (exec_byte_code): Refactor byte-switch code.Vibhav Pant2017-02-111-21/+14
| | | | Remove unnecessary asserts, remove duplicate code.
* src/bytecode.c: Add optional sanity check for jump tables.Vibhav Pant2017-02-111-3/+4
| | | | | * src/bytecode.c (exec_byte_code): When sanity checks are enabled, check that the jump table's size is equal to it's count.
* Merge branch 'master' into feature/byte-switchVibhav Pant2017-02-1110-269/+272
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| * Fix handling of XBM images on MS-WindowsEli Zaretskii2017-02-111-2/+2
| | | | | | | | | | * src/image.c (xbm_load) [HAVE_NTGUI]: Fix calculation of 'nbytes' when inverting XBM data bits. (Bug#25661)
| * Fix handling of PBM dataEli Zaretskii2017-02-111-1/+11
| | | | | | | | | | * src/image.c (pbm_load): Handle PBM data with no blanks between individual pixel values correctly. (Bug#25660)
| * Fix warnings in debug tracing codeNoam Postavsky2017-02-102-6/+6
| | | | | | | | | | | | * src/xdisp.c (dump_glyph, dump_glyph_string): * src/xfaces.c (dump_realized_face): Cast arguments or adjust format specifiers to match signedness.
| * Fix a few integer-overflow glitchesPaul Eggert2017-02-104-55/+50
| | | | | | | | | | | | | | | | | | | | * src/composite.c (composition_compute_stop_pos, composition_reseat_it): * src/dispextern.h (struct composition_it.rule_idx): * src/keyboard.c (Fset__this_command_keys): * src/xwidget.c (webkit_js_to_lisp): Don’t assume object sizes fit in ‘int’. * src/xwidget.c (Fxwidget_resize): Don’t assume Emacs integers fit in ‘int’.
| * Fix a bug with displaying an image after a TABEli Zaretskii2017-02-101-1/+4
| | | | | | | | | | * src/xdisp.c (display_line): Handle TAB at end of screen line specially only when we are displaying characters. (Bug#25662)
| * Restore special setting of this-command-keys by M-xEli Zaretskii2017-02-101-0/+25
| | | | | | | | | | | | | | | | | | | | It was lost when execute-extended-command was reimplemented in Lisp. * src/keyboard.c (Fset__this_command_keys): New function. (syms_of_keyboard): Defsubr it. * lisp/simple.el (execute-extended-command): Set this-command-keys as novice.el expects. (Bug#25612)
| * Make FOR_EACH_TAIL more like other FOR_EACH macrosPaul Eggert2017-02-063-111/+123
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | See comments by Stefan Monnier in: http://lists.gnu.org/archive/html/emacs-devel/2017-02/msg00181.html and by Eli Zaretskii in: http://lists.gnu.org/archive/html/emacs-devel/2017-02/msg00207.html * src/fns.c (internal_equal): Do not bypass check for depth overflow when tail-recursing via a dotted list tail or an overlay plist, to avoid a rare infloop. * src/lisp.h (FOR_EACH_TAIL, FOR_EACH_TAIL_SAFE): Take TAIL as an arg, and update it at each iteration, rather than have callers access it.tail. All callers changed. (FOR_EACH_TAIL): Do not check for dotted lists, as this is now the caller’s responsibility. All callers changed. (FOR_EACH_TAIL_CONS): Remove. All callers changed. (struct for_each_tail_internal.tail): Remove; no longer needed. (FOR_EACH_TAIL_INTERNAL): Remove dotted arg, and set the tail arg each time through the loop. All callers changed.
| * Port to clang 3.8.0Paul Eggert2017-02-051-3/+9
| | | | | | | | | | | | It does not allow a for-loop's control var to be an anonymous struct. * src/lisp.h (struct for_each_tail_internal): New type. (FOR_EACH_TAIL_INTERNAL): Use it.
| * FOR_EACH_TAIL now checks for quitPaul Eggert2017-02-051-20/+32
| | | | | | | | | | | | | | | | | | As per Eli Zaretskii (Bug#25606#20). Although these calls to maybe_quit are unnecessary in practice, Eli was not convinced that the calls are unnecessary. * src/lisp.h (FOR_EACH_TAIL, FOR_EACH_TAIL_CONS): Call maybe_quit every so often. (FOR_EACH_TAIL_INTERNAL): New arg CHECK_QUIT. All callers changed.
| * Signal list cycles in ‘length’ etc.Paul Eggert2017-02-053-216/+146
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Use macros like FOR_EACH_TAIL instead of maybe_quit to catch list cycles automatically instead of relying on the user becoming impatient and typing C-g (Bug#25606). * src/fns.c (Flength, Fmember, Fmemq, Fmemql, Fassq, Fassoc, Frassq) (Frassoc, Fdelete, Freverse): Use FOR_EACH_TAIL instead of maybe_quit. (Fnreverse): Use simple EQ to check for circular list instead of rarely_quit, as this suffices in this unusual case. (Fplist_put, Flax_plist_put, Flax_plist_put): Use FOR_EACH_TAIL_CONS instead of maybe_quit. (internal_equal): Use FOR_EACH_TAIL_CONS to check lists, instead of by-hand tail recursion that did not catch cycles. * src/fns.c (Fsafe_length, Fplist_get): * src/xdisp.c (display_mode_element): Use FOR_EACH_TAIL_SAFE instead of by-hand Floyd’s algorithm. * src/lisp.h (QUIT_COUNT_HEURISTIC): Remove; no longer needed. (rarely_quit): Simply count toward USHRT_MAX + 1, since the fancier versions are no longer needed. (FOR_EACH_TAIL_CONS, FOR_EACH_TAIL_SAFE) (FOR_EACH_TAIL_INTERNAL): New macros, the last with definiens mostly taken from FOR_EACH_TAIL. (FOR_EACH_TAIL): Rewrite in terms of FOR_EACH_TAIL_INTERNAL.
| * Simplify use of FOR_EACH_TAILPaul Eggert2017-02-053-23/+33
| | | | | | | | | | | | | | | | * src/data.c (circular_list): New function. * src/lisp.h (FOR_EACH_TAIL): Use Brent’s algorithm and C99 for-loop decl, to eliminate the need for the args TAIL, TORTOISE and N, and to speed things up a bit on typical hosts with optimization. All uses changed (Bug#25605).
* | * src/bytecode.c: Refactor to follow GNU coding standardsVibhav Pant2017-02-111-14/+10
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* | src/bytecode.c: Avoid comparing values unnecessarily in BswitchVibhav Pant2017-02-101-2/+4
| | | | | | | | | | | | * src/bytecode.c: (exec_byte_code) While linear searching the jump table, compare the value's hash table first to avoid calling h->test.cmpfn every time.
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