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* * buffer.c (tab-width): Mention that it doesn't control indentation.Stefan Monnier2013-05-071-0/+4
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* Improve doc strings of left/right-margin/fringe-width.Eli Zaretskii2013-04-141-5/+20
| | | | | | | src/buffer.c (syms_of_buffer) <left-margin-width, right-margin-width> <left-fringe-width, right-fringe-width, fringes-outside-margins>: Mention in the doc string that setting these variables takes effect only after a call to set-window-buffer. (Bug#14200)
* * window.h (struct window): Replace hchild, vchild and buffer slotsDmitry Antipov2013-03-281-11/+11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | with the only contents slot. This is possible because each valid window may have either the child window (in vertical or horizontal combination) or buffer to display (for the leaf window). Using that, a lof of operations to traverse and/or change window hierarchies may be simplified. New member horizontal is used to distinguish between horizontal and vertical combinations of internal windows. (WINDOW_LEAF_P, WINDOW_HORIZONTAL_COMBINATION_P) (WINDOW_VERTICAL_COMBINATION_P): New macros. (WINDOW_VALID_P, WINDOW_LIVE_P): Adjust to match struct window changes. * window.c (wset_hchild, wset_vchild): Remove. Adjust all users. Use contents slot, not buffer, where appropriate. (wset_combination): New function. (wset_buffer): Add eassert. (Fframe_first_window): Simplify the loop reaching first window. (Fwindow_buffer): Use WINDOW_LEAF_P. (Fwindow_top_child): Use WINDOW_VERTICAL_COMBINATION_P. (Fwindow_left_child): Use WINDOW_HORIZONTAL_COMBINATION_P. (unshow_buffer): Convert initial debugging check to eassert. (replace_window, recombine_windows, Fdelete_other_windows_internal) (make_parent_window, window_resize_check, window_resize_apply) (resize_frame_windows, Fsplit_window_internal, Fdelete_window_internal) (Fset_window_configuration, delete_all_child_windows, save_window_save): Adjust to match struct window changes. (window_loop): Check for broken markers in CHECK_ALL_WINDOWS. (mark_window_cursors_off, count_windows, get_leaf_windows) (foreach_window_1): Simplify the loop. * alloc.c (mark_object): Do not check for the leaf window because internal windows has no glyph matrices anyway. * dispnew.c (clear_window_matrices, showing_window_margins_p) (allocate_matrices_for_window_redisplay, fake_current_matrices) (allocate_matrices_for_frame_redisplay, free_window_matrices) (build_frame_matrix_from_window_tree, mirror_make_current) (frame_row_to_window, mirror_line_dance, check_window_matrix_pointers) (update_window_tree, set_window_update_flags): Simplify the loop. (sync_window_with_frame_matrix_rows): Enforce live window. Use contents slot, not buffer, where appropriate. * frame.c (set_menu_bar_lines_1): Use WINDOW_VERTICAL_COMBINATION_P and WINDOW_HORIZONTAL_COMBINATION_P. (make_frame_visible_1): Simplify the loop. Use contents slot, not buffer, where appropriate. * xdisp.c (hscroll_window_tree, mark_window_display_accurate) (redisplay_windows, redisplay_mode_lines, update_cursor_in_window_tree) (expose_window_tree): Likewise. Use contents slot, not buffer, where appropriate. * textprop.c (get_char_property_and_overlay): Add CHECK_LIVE_WINDOW to avoid deleted windows. Use contents slot instead of buffer. * buffer.c, dispextern.h, editfns.c, fileio.c, font.c, fringe.c: * indent.c, insdel.c, keyboard.c, keymap.c, minibuf.c, msdos.c: * nsfns.m, nsmenu.m, nsterm.m, print.c, w32fns.c, w32menu.c, xfaces.c: * xfns.c, xmenu.c: Use contents slot, not buffer, where appropriate.
* Fix 2013-03-28T02:41:05Z!dmantipov@yandex.ru which brokes Fbuffer_swap_text.Dmitry Antipov2013-03-281-2/+10
| | | | | * buffer.c (Fbuffer_swap_text): Adjust window start markers. Fix comment.
* Fix crashes with lots of overlays.Eli Zaretskii2013-01-191-1/+6
| | | | | | | | | src/editfns.c (get_pos_property): Use SAFE_ALLOCA_LISP, to avoid segfault when there are lots of overlays. src/buffer.c (sort_overlays): Use SAFE_NALLOCA, to avoid segfault when there are lots of overlays. See http://lists.gnu.org/archive/html/emacs-devel/2013-01/msg00421.html for the details and a way to reproduce.
* * buffer.h (NARROWED, BUF_NARROWED): Drop unused macros.Dmitry Antipov2013-01-171-7/+0
| | | | | | (DECODE_POSITION, BUFFER_CHECK_INDIRECTION): Fix indentation. * buffer.c (toplevel, syms_of_buffer): Drop old commented-out debugging stubs.
* Omit buffer_slot_type_mismatch and use generic predicates to enforceDmitry Antipov2013-01-101-54/+32
| | | | | | | | | | | | | | | | | | | | | | the type of per-buffer values where appropriate. * src/lisp.h (struct Lisp_Buffer_Objfwd): Rename slottype member to predicate, which is how it's really used now. Adjust comment. * src/buffer.h (buffer_slot_type_mismatch): Remove prototype. * src/buffer.c (buffer_slot_type_mismatch): Remove. (DEFVAR_PER_BUFFER, defvar_per_buffer): Rename type argument to predicate. Adjust comment. (syms_of_buffer): Use Qsymbolp for major-mode. Use Qintegerp for fill-column, left-margin, tab-width, buffer-saved-size, left-margin-width, right-margin-width, left-fringe-width, right-fringe-width, scroll-bar-width and buffer-display-count. Use Qstringp for default-directory, buffer-file-name, buffer-file-truename and buffer-auto-save-file-name. Use Qfloatp for scroll-up-aggressively and scroll-down-aggressively. Use Qnumberp for line-spacing. * src/data.c (store_symval_forwarding): Adjust to call the predicate. * lisp/cus-start.el (toplevel): Only allow float values for scroll-up-aggressively and scroll-down-aggressively. Allow any number for line-spacing.
* * lisp.h (make_gap_1): New prototype.Dmitry Antipov2013-01-091-11/+7
| | | | | | | | | | | | | | * buffer.h (GAP_BYTES_DFL, GAP_BYTES_MIN): New macros for the special gap size values. * editfns.c (Fbuffer_size): Rename from Fbufsize to fit the common naming convention. (syms_of_editfns): Adjust defsubr. Drop commented-out obsolete code. * insdel.c (make_gap_larger): Use GAP_BYTES_DFL. (make_gap_smaller): Use GAP_BYTES_MIN. Adjust comment. (make_gap_1): New function to adjust the gap of any buffer. * coding.c (coding_alloc_by_making_gap): Use it. * buffer.c (compact_buffer): Likewise. Use BUF_Z_BYTE, BUF_GAP_SIZE, GAP_BYTES_DFL and GAP_BYTES_MIN. Adjust comment.
* Merge from emacs-24; up to 2012-12-06T01:39:03Z!monnier@iro.umontreal.caPaul Eggert2013-01-021-1/+2
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| * Update copyright notices for 2013.Paul Eggert2013-01-011-1/+2
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* | * buffer.c (Fset_buffer_modified_p): Use buffer_window_countDmitry Antipov2012-12-241-4/+2
| | | | | | | | | | to check whether the buffer is displayed in some window. * xdisp.c (message_dolog): Likewise.
* | * buffer.h (BUF_COMPACT): New macro to follow the common style.Dmitry Antipov2012-12-241-2/+3
| | | | | | | | | | | | | | * buffer.c (Fget_buffer_create): Use it to set compact field of struct buffer_text to avoid accessing an uninitialized value when compact_buffer is called for the first time. (compact_buffer): Use convenient BUF_COMPACT and BUF_MODIFF.
* | Merge from emacs-24; up to 2012-12-01T13:25:13Z!cyd@gnu.orgGlenn Morris2012-12-211-1/+1
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| * * buffer.c (Fset_buffer_major_mode): Doc fix.Chong Yidong2012-12-211-1/+1
| | | | | | | | Fixes: debbugs:13231
* | * buffer.c (Fset_buffer_multibyte): Do not force redisplayDmitry Antipov2012-12-111-3/+4
| | | | | | | | | | | | | | | | | | if changed buffer is not shown in a window. * insdel.c (prepare_to_modify_buffer): Likewise. * window.c (replace_buffer_in_windows_safely): Do nothing if buffer is not shown in a window. (Fforce_window_update): Likewise if string or buffer argument is passed.
* | Per-buffer window counters.Dmitry Antipov2012-12-101-13/+26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * buffer.h (struct buffer): New member window_count. (buffer_window_count): New function. * buffer.c (Fget_buffer_create, Fmake_indirect_buffer): Initialize window_count. (Fkill_buffer): Verify window_count for the buffer being killed. (modify_overlay): Do not force redisplay if buffer is not shown in any window. (init_buffer_once): Initialize window_count for buffer_defaults and buffer_local_symbols. * window.h (buffer_shared): Remove declaration. (wset_buffer): Convert from inline ... * window.c (wset_buffer): ... to an ordinary function. (adjust_window_count): New function. (make_parent_window): Use it. * xdisp.c (buffer_shared): Remove. (redisplay_internal, redisplay_window): Adjust users. (buffer_shared_and_changed): Use per-buffer window counter.
* | Convenient macro to check whether the buffer is hidden.Dmitry Antipov2012-12-071-11/+14
| | | | | | | | | | | | | | * buffer.h (BUFFER_HIDDEN_P): New macro. * frame.c (make_frame): Use it. Adjust comment. * buffer.c (candidate_buffer): New function. (Fother_buffer, other_buffer_safely): Use it.
* | * src/lisp.h (XHASH): Redefine to be imperfect and fit in a Lisp int.Stefan Monnier2012-11-081-2/+2
| | | | | | | | | | | | * src/fns.c (hashfn_eq, hashfn_eql, sxhash): * src/profiler.c (hashfn_profiler): Don't use XUINT on non-integers. * src/buffer.c (compare_overlays): Use XLI rather than XHASH.
* | Shrink struct vectorlike_header to the only size field.Dmitry Antipov2012-11-081-7/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * lisp.h (enum pvec_type): Avoid explicit enum member values. Adjust comment. (enum More_Lisp_Bits): Change PSEUDOVECTOR_SIZE_BITS and PVEC_TYPE_MASK to arrange new bitfield in the vector header. (PSEUDOVECTOR_REST_BITS, PSEUDOVECTOR_REST_MASK): New members. (PSEUDOVECTOR_AREA_BITS): New member used to extract subtype information from the vector header. Adjust comment. (XSETPVECTYPE, XSETPVECTYPESIZE, XSETTYPED_PSEUDOVECTOR) (PSEUDOVECTOR_TYPEP, DEFUN): Adjust to match new vector header layout. (XSETSUBR, SUBRP): Adjust to match new Lisp_Subr layout. (struct vectorlike_header): Remove next member. Adjust comment. (struct Lisp_Subr): Add convenient header. Adjust comment. (allocate_pseudovector): Adjust prototype. * alloc.c (mark_glyph_matrix, mark_face_cache, allocate_string) (sweep_string, lisp_malloc): Remove useless prototypes. (enum mem_type): Adjust comment. (NEXT_IN_FREE_LIST): New macro. (SETUP_ON_FREE_LIST): Adjust XSETPVECTYPESIZE usage. (Fmake_bool_vector): Likewise. (struct large_vector): New type to represent allocation unit for the vectors with the memory footprint more than VBLOOCK_BYTES_MAX. (large_vectors): Change type to struct large_vector. (allocate_vector_from_block): Simplify. (PSEUDOVECTOR_NBYTES): Replace with... (vector_nbytes): ...new function. Adjust users. (sweep_vectors): Adjust processing of large vectors. (allocate_vectorlike): Likewise. (allocate_pseudovector): Change type of 3rd arg to enum pvec_type. Add easserts. Adjust XSETPVECTYPESIZE usage. (allocate_buffer): Use BUFFER_PVEC_INIT. (live_vector_p): Adjust to match large vector. * buffer.c (init_buffer_once): Use BUFFER_PVEC_INIT. * buffer.h (struct buffer): Add next member. (BUFFER_LISP_SIZE, BUFFER_REST_SIZE, BUFFER_PVEC_INIT): New macros. (FOR_EACH_BUFFER): Adjust to match struct buffer change. * fns.c (internal_equal): Adjust to match enum pvec_type change. (copy_hash_table): Adjust to match vector header change. * lread.c (defsubr): Use XSETPVECTYPE. * .gdbinit (xpr, xbacktrace): Adjust to match vector header change. (xvectype): Likewise. Print PVEC_NORMAL_VECTOR for regular vectors. (xvecsize): New command.
* | Minor adjustments of recently-changed frame functions.Paul Eggert2012-11-061-2/+1
| | | | | | | | | | | | | | | | * buffer.c (Fbuffer_list): Omit CHECK_FRAME, since arg is already known to be a frame (we're in the FRAMEP branch). * lisp.h (Qframep): Remove decl. frame.h declares this. * window.c (quad): Args are of type EMACS_INT, not ptrdiff_t, since they're meant for Lisp fixnum values.
* | Widely used frame validity and checking functions.Dmitry Antipov2012-11-061-9/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * frame.h (decode_live_frame, decode_any_frame): Add prototypes. * frame.c (decode_live_frame, decode_any_frame): New functions. (delete_frame, Fredirect_frame_focus, Fframe_parameters) (Fframe_parameter, Fframe_char_height, Fframe_char_width) (Fframe_pixel_height, Fframe_pixel_width, Ftool_bar_pixel_width) (Fframe_pointer_visible_p): Use decode_any_frame. (Fmake_frame_visible, Fmake_frame_invisible, Ficonify_frame) (Fraise_frame, Flower_frame, Fmodify_frame_parameters) (Fset_frame_height, Fset_frame_width): Use decode_live_frame. (Fframe_focus): Likewise. Allow zero number of arguments. Adjust docstring. (frame_buffer_list, frame_buffer_predicate): Remove. * lisp.h (frame_buffer_predicate): Remove prototype. * buffer.c (Fother_buffer): Use decode_any_frame. * xdisp.c (Ftool_bar_lines_needed): Likewise. * xfaces.c (Fcolor_gray_p, Fcolor_supported_p): Likewise. * font.c (Ffont_face_attributes, Ffont_family_list, Fopen_font) (Fclose_font, Ffont_info): Use decode_live_frame. * fontset.c (check_fontset_name): Likewise. * terminal.c (Fframe_terminal): Likewise. * w32fns.c (check_x_frame): Likewise. * window.c (Fminibuffer_window, Fwindow_at) (Fcurrent_window_configuration): Likewise. (Frun_window_configuration_change_hook, Fwindow_resize_apply): Likewise. Allow zero number of arguments. Adjust docstring. * dispnew.c (Fredraw_frame): Likewise. * xfaces.c (frame_or_selected_frame): Remove. (Fx_list_fonts, Finternal_get_lisp_face_attribute, Fface_font) (Finternal_lisp_face_equal_p, Finternal_lisp_face_empty_p) (Fframe_face_alist): Use decode_live_frame. * xfns.c (check_x_frame): Likewise.
* | * lisp/cus-start.el: Make cursor-type customizable.Chong Yidong2012-11-031-8/+8
|/ | | | | | * src/buffer.c (cursor_type): Untabify docstring. Fixes: debbugs:11633
* * buffer.c (Fkill_buffer): When unchaining the marker,Dmitry Antipov2012-10-171-12/+13
| | | | reset it's buffer pointer to NULL (Bug#12652).
* Do not verify indirection counters of killed buffers (Bug#12579).Dmitry Antipov2012-10-171-9/+4
| | | | | * buffer.h (BUFFER_CHECK_INDIRECTION): New macro. * buffer.c (compact_buffer, set_buffer_internal_1): Use it.
* * src/buffer.c (Fset_buffer): Doc fix. (Bug#12624)Glenn Morris2012-10-111-1/+1
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* * src/buffer.c (Fkill_buffer): Null out the overlay list(s) as well.Stefan Monnier2012-10-111-11/+20
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* * src/buffer.c (Fmake_overlay): Fix last change.Stefan Monnier2012-10-011-3/+2
| | | | (fix_start_end_in_overlays): Remove redundant recentering.
* Misc minor simplifications in C code.Stefan Monnier2012-10-011-7/+6
| | | | | | | | * src/buffer.c (Fset_buffer_multibyte): Signal an error instead of widening. (Fmake_overlay): Remove redundant tests. * src/coding.h (ENCODE_FILE, DECODE_FILE, DECODE_SYSTEM): Remove special case for the special 0 coding-system. * src/frame.c (Fmake_terminal_frame): Prefer safer CONSP over !NILP.
* Prefer plain 'static' to 'static inline'.Paul Eggert2012-09-301-46/+46
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | With static functions, modern compilers inline pretty well by themselves; advice from programmers often hurts as much as it helps. On my host (x86-64, Fedora 17, GCC 4.7.2, default 'configure'), this change shrinks the text size of the Emacs executable by 1.1% without affecting CPU significantly in my benchmark. * alloc.c (mem_find, live_string_p, live_cons_p, live_symbol_p) (live_float_p, live_misc_p, live_vector_p, live_buffer_p) (mark_maybe_object, mark_maybe_pointer, bounded_number): * buffer.c (bset_abbrev_mode, bset_abbrev_table) (bset_auto_fill_function, bset_auto_save_file_format) (bset_auto_save_file_name, bset_backed_up, bset_begv_marker) (bset_bidi_display_reordering, bset_buffer_file_coding_system) (bset_cache_long_line_scans, bset_case_fold_search) (bset_ctl_arrow, bset_cursor_in_non_selected_windows) (bset_cursor_type, bset_display_table, bset_extra_line_spacing) (bset_file_format, bset_file_truename, bset_fringe_cursor_alist) (bset_fringe_indicator_alist, bset_fringes_outside_margins) (bset_header_line_format, bset_indicate_buffer_boundaries) (bset_indicate_empty_lines, bset_invisibility_spec) (bset_left_fringe_width, bset_major_mode, bset_mark) (bset_minor_modes, bset_mode_line_format, bset_mode_name) (bset_name, bset_overwrite_mode, bset_pt_marker) (bset_right_fringe_width, bset_save_length) (bset_scroll_bar_width, bset_scroll_down_aggressively) (bset_scroll_up_aggressively, bset_selective_display) (bset_selective_display_ellipses, bset_vertical_scroll_bar_type) (bset_word_wrap, bset_zv_marker, set_buffer_overlays_before) (set_buffer_overlays_after): * category.c (bset_category_table): * charset.c (read_hex): * coding.c (produce_composition, produce_charset) (handle_composition_annotation, handle_charset_annotation) (char_encodable_p): * dispnew.c (swap_glyph_pointers, copy_row_except_pointers) (assign_row, set_frame_matrix_frame, make_current) (add_row_entry): * eval.c (set_specpdl_symbol, set_specpdl_old_value): * fns.c (maybe_resize_hash_table): * frame.c (fset_buffer_predicate, fset_minibuffer_window): * gmalloc.c (register_heapinfo): * image.c (lookup_image_type): * intervals.c (set_interval_object, set_interval_left) (set_interval_right, copy_interval_parent, rotate_right) (rotate_left, balance_possible_root_interval): * keyboard.c (kset_echo_string, kset_kbd_queue) (kset_keyboard_translate_table, kset_last_prefix_arg) (kset_last_repeatable_command, kset_local_function_key_map) (kset_overriding_terminal_local_map, kset_real_last_command) (kset_system_key_syms, clear_event, set_prop): * lread.c (digit_to_number): * marker.c (attach_marker, live_buffer, set_marker_internal): * nsterm.m (ns_compute_glyph_string_overhangs): * process.c (pset_buffer, pset_command) (pset_decode_coding_system, pset_decoding_buf) (pset_encode_coding_system, pset_encoding_buf, pset_filter) (pset_log, pset_mark, pset_name, pset_plist, pset_sentinel) (pset_status, pset_tty_name, pset_type, pset_write_queue): * syntax.c (bset_syntax_table, dec_bytepos): * terminal.c (tset_param_alist): * textprop.c (interval_has_some_properties) (interval_has_some_properties_list): * window.c (wset_combination_limit, wset_dedicated) (wset_display_table, wset_hchild, wset_left_fringe_width) (wset_left_margin_cols, wset_new_normal, wset_new_total) (wset_normal_cols, wset_normal_lines, wset_parent, wset_pointm) (wset_right_fringe_width, wset_right_margin_cols) (wset_scroll_bar_width, wset_start, wset_temslot, wset_vchild) (wset_vertical_scroll_bar_type, wset_window_parameters): * xdisp.c (wset_base_line_number, wset_base_line_pos) (wset_column_number_displayed, wset_region_showing) (window_box_edges, run_window_scroll_functions) (append_glyph_string_lists, prepend_glyph_string_lists) (append_glyph_string, set_glyph_string_background_width) (append_glyph, append_composite_glyph) (take_vertical_position_into_account): * xfaces.c (x_create_gc, x_free_gc, merge_face_vectors) (face_attr_equal_p, lface_equal_p, hash_string_case_insensitive) (lface_hash, lface_same_font_attributes_p, lookup_face): * xml.c (libxml2_loaded_p): * xterm.c (x_set_mode_line_face_gc, x_set_glyph_string_gc) (x_set_glyph_string_clipping, x_clear_glyph_string_rect): Now 'static', not 'static inline'. Fixes: debbugs:12541
* Simplify and avoid signal-handling races.Paul Eggert2012-09-231-12/+12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * nt/inc/ms-w32.h (emacs_raise): New macro. * src/alloc.c (die): * src/sysdep.c (emacs_abort) [HAVE_NTGUI]: Avoid recursive loop if there's a fatal error in the function itself. * src/atimer.c (pending_atimers): * src/blockinput.h: Don't include "atimer.h"; no longer needed. (interrupt_input_pending): Remove. All uses removed. pending_signals now counts both atimers and ordinary interrupts. This is less racy than having three separate pending-signal flags. (block_input, unblock_input, totally_unblock_input, unblock_input_to) (input_blocked_p): Rename from their upper-case counterparts BLOCK_INPUT, UNBLOCK_INPUT, TOTALLY_UNBLOCK_INPUT, UNBLOCK_INPUT_TO, INPUT_BLOCKED_P, and turn into functions. All uses changed. This makes it easier to access volatile variables more accurately. (BLOCK_INPUT_RESIGNAL): Remove. All uses replaced by unblock_input (). (input_blocked_p): Prefer this to 'interrupt_input_blocked', as that's more reliable if the code is buggy and sets interrupt_input_blocked to a negative value. All uses changed. * src/atimer.c (deliver_alarm_signal): Remove. No need to deliver this to the parent; any thread can handle this signal now. All uses replaced by underlying handler. * src/atimer.c (turn_on_atimers): * src/dispnew.c (handle_window_change_signal): * src/emacs.c (handle_danger_signal): * src/keyboard.c (kbd_buffer_get_event): Don't reestablish signal handler; not needed with sigaction. * src/blockinput.h (UNBLOCK_INPUT_TO, TOTALLY_UNBLOCK_INPUT) (UNBLOCK_INPUT_TO): Rework to avoid unnecessary accesses to volatile variables. (UNBLOCK_INPUT_TO): Now a function. (totally_unblock_input, unblock_input): New decls. * src/data.c (handle_arith_signal, deliver_arith_signal): Move to sysdep.c (init_data): Remove. Necessary stuff now done in init_signal. * src/emacs.c, src/xdisp.c: Include "atimer.h", since we invoke atimer functions. * src/emacs.c (handle_fatal_signal, deliver_fatal_signal): Move to sysdep.c. (fatal_error_code): Remove; no longer needed. (terminate_due_to_signal): Rename from fatal_error_backtrace, since it doesn't always backtrace. All uses changed. No need to reset signal to default, since sigaction and/or die does that for us now. Use emacs_raise (FOO), not kill (getpid (), FOO). (main): Check more-accurately whether we're dumping. Move fatal-error setup to sysdep.c * src/floatfns.c: Do not include "syssignal.h"; no longer needed. * src/gtkutil.c (xg_get_file_name, xg_get_font): Remove no-longer-needed signal-mask manipulation. * src/keyboard.c, src/process.c (POLL_FOR_INPUT): Don't depend on USE_ASYNC_EVENTS, a symbol that is never defined. * src/keyboard.c (read_avail_input): Remove. All uses replaced by gobble_input. (Ftop_level): Use TOTALLY_UNBLOCK_INPUT rather than open code. (kbd_buffer_store_event_hold, gobble_input): (record_asynch_buffer_change) [USABLE_SIGIO]: (store_user_signal_events): No need to mess with signal mask. (gobble_input): If blocking input and there are terminals, simply set pending_signals to 1 and return. All hooks changed to not worry about whether input is blocked. (process_pending_signals): Clear pending_signals before processing them, in case a signal comes in while we're processing. By convention callers now test pending_signals before calling us. (UNBLOCK_INPUT_TO, unblock_input, totally_unblock_input): New functions, to support changes to blockinput.h. (handle_input_available_signal): Now extern. (reinvoke_input_signal): Remove. All uses replaced by handle_async_input. (quit_count): Now volatile, since a signal handler uses it. (handle_interrupt): Now takes bool IN_SIGNAL_HANDLER as arg. All callers changed. Block SIGINT only if not already blocked. Clear sigmask reliably, even if Fsignal returns, which it can. Omit unnecessary accesses to volatile var. (quit_throw_to_read_char): No need to restore sigmask. * src/keyboard.c (gobble_input, handle_user_signal): * src/process.c (wait_reading_process_output): Call signal-handling code rather than killing ourselves. * src/lisp.h: Include <float.h>, for... (IEEE_FLOATING_POINT): New macro, moved here to avoid duplication. (pending_signals): Now volatile. (syms_of_data): Now const if IEEE floating point. (handle_input_available_signal) [USABLE_SIGIO]: (terminate_due_to_signal, record_child_status_change): New decls. * src/process.c (create_process): Avoid disaster if memory is exhausted while we're processing a vfork, by tightening the critical section around the vfork. (send_process_frame, process_sent_to, handle_pipe_signal) (deliver_pipe_signal): Remove. No longer needed, as Emacs now ignores SIGPIPE. (send_process): No need for setjmp/longjmp any more, since the SIGPIPE stuff is now gone. Instead, report an error if errno is EPIPE. (record_child_status_change): Now extern. PID and W are now args. Return void, not bool. All callers changed. * src/sysdep.c (wait_debugging) [(BSD_SYSTEM || HPUX) && !defined (__GNU__)]: Remove. All uses removed. This bug should be fixed now in a different way. (wait_for_termination_1): Use waitpid rather than sigsuspend, and record the child status change directly. This avoids the need to futz with the signal mask. (process_fatal_action): Move here from emacs.c. (emacs_sigaction_flags): New function, containing much of what used to be in emacs_sigaction_init. (emacs_sigaction_init): Use it. Block nonfatal system signals that are caught by emacs, to make races less likely. (deliver_process_signal): Rename from handle_on_main_thread. All uses changed. (BACKTRACE_LIMIT_MAX): Now at top level. (thread_backtrace_buffer, threadback_backtrace_pointers): New static vars. (deliver_thread_signal, deliver_fatal_thread_signal): New functions, for more-accurate delivery of thread-specific signals. (handle_fatal_signal, deliver_fatal_signal): Move here from emacs.c. (deliver_arith_signal): Handle in this thread, not in the main thread, since it's triggered by this thread. (maybe_fatal_sig): New function. (init_signals): New arg DUMPING so that we can be more accurate about whether we're dumping. Caller changed. Treat thread-specific signals differently from process-general signals. Block all signals while handling fatal error; that's safer. xsignal from SIGFPE only on non-IEEE hosts, treating it as fatal on IEEE hosts. When batch, ignore SIGHUP, SIGINT, SIGTERM if they were already ignored. Ignore SIGPIPE unless batch. (emacs_backtrace): Output backtrace for the appropriate thread, which is not necessarily the main thread. * src/syssignal.h: Include <stdbool.h>. (emacs_raise): New macro. * src/xterm.c (x_connection_signal): Remove; no longer needed now that we use sigaction. (x_connection_closed): No need to mess with sigmask now. (x_initialize): No need to reset SIGPIPE handler here, since init_signals does this for us now. Fixes: debbugs:12471
* Fix auto-save and locking for indirect buffers.Chong Yidong2012-09-221-2/+6
| | | | | | | | * lisp/simple.el (undo): Handle indirect buffers. * buffer.c (Fset_buffer_modified_p): Handle indirect buffers. Fixes: debbugs:8207
* Port better to POSIX hosts lacking _setjmp.Paul Eggert2012-09-151-1/+0
| | | | | | | | | | | | | | | | | | | | | | | | | * configure.ac (HAVE__SETJMP, HAVE_SIGSETJMP): New symbols. (_setjmp, _longjmp): Remove. * src/lisp.h: Include <setjmp.h> here, since we use its symbols here. All instances of '#include <setjmp.h>' removed, if the only reason for the instance was because "lisp.h" was included. (sys_jmp_buf, sys_setjmp, sys_longjmp): New symbols. Unless otherwise specified, replace all uses of jmp_buf, _setjmp, and _longjmp with the new symbols. Emacs already uses _setjmp if available, so this change affects only POSIXish hosts that have sigsetjmp but not _setjmp, such as some versions of Solaris and Unixware. (Also, POSIX-2008 marks _setjmp as obsolescent.) * src/image.c (_setjmp, _longjmp) [HAVE_PNG && !HAVE__SETJMP]: New macros. (png_load_body) [HAVE_PNG]: (PNG_LONGJMP) [HAVE_PNG && PNG_LIBPNG_VER < 10500]: (PNG_JMPBUF) [HAVE_PNG && PNG_LIBPNG_VER >= 10500]: Use _setjmp and _longjmp rather than sys_setjmp and sys_longjmp, since PNG requires jmp_buf. This is the only exception to the general rule that we now use sys_setjmp and sys_longjmp. This exception is OK since this code does not change the signal mask or longjmp out of a signal handler. Fixes: debbugs:12446
* Convenient macro to check whether the buffer is live.Dmitry Antipov2012-09-111-16/+16
| | | | | | * buffer.h (BUFFER_LIVE_P): New macro. * alloc.c, buffer.c, editfns.c, insdel.c, lread.c, marker.c: * minibuf.c, print.c, process.c, window.c, xdisp.c: Use it.
* * lisp/eshell/em-unix.el (eshell/sudo): Explicitly drop return value.Stefan Monnier2012-09-091-5/+5
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* Explicitly mark buffer_defaults and buffer_local_symbols.Dmitry Antipov2012-09-061-19/+3
| | | | | | | | | | | | | | * alloc.c (Fgarbage_collect): Mark buffer_defaults and mark_local_symbols here. (mark_object): If GC_CHECK_MARKED_OBJECTS, simplify checking since special buffers aren't marked here any more. (allocate_buffer): Chain new buffer with all_buffers here... * buffer.c (Fget_buffer_create, Fmake_indirect_buffer): ...and not here. (Vbuffer_defaults, Vbuffer_local_symbols): Remove. (syms_of_buffer): Remove staticpro of the above. (init_buffer_once): Set names for buffer_defaults and buffer_local_symbols.
* Simplify redefinition of 'abort' (Bug#12316).Paul Eggert2012-09-041-6/+6
| | | | | | | | | | | | | | | | | | | | | | Do not try to redefine the 'abort' function. Instead, redo the code so that it calls 'emacs_abort' rather than 'abort'. This removes the need for the NO_ABORT configure-time macro and makes it easier to change the abort code to do a backtrace. * configure.ac (NO_ABRT): Remove. * admin/CPP-DEFINES (NO_ABORT): Remove. * nt/inc/ms-w32.h (w32_abort) [HAVE_NTGUI]: Remove. * src/.gdbinit: Just stop at emacs_abort, not at w32_abort or abort. * src/emacs.c (abort) [!DOS_NT && !NO_ABORT]: Remove; sysdep.c's emacs_abort now takes its place. * src/lisp.h (emacs_abort): New decl. All calls from Emacs code to 'abort' changed to use 'emacs_abort'. * src/msdos.c (dos_abort) [defined abort]: Remove; not used. (abort) [!defined abort]: Rename to ... (emacs_abort): ... new name. * src/sysdep.c (emacs_abort) [!HAVE_NTGUI]: New function, taking the place of the old 'abort' in emacs.c. * src/w32.c, src/w32fns.c (abort): Do not #undef. * src/w32.c (emacs_abort): Rename from w32_abort.
* Fix minor problems found by static checking.Paul Eggert2012-09-031-0/+1
| | | | | | | | * buffer.c (Fdelete_all_overlays): Return nil. * doc.c (Fsubstitute_command_keys): * regex.c (WEAK_ALIAS): * xdisp.c (redisplay_internal): Move initialization down, to pacify GCC 4.7.1 -Wjump-misses-init.
* New macro with-temp-buffer-window and related fixes.Martin Rudalics2012-09-031-0/+20
| | | | | | | | | | | | | | | | | | | * buffer.c (Fdelete_all_overlays): New function. * window.el (temp-buffer-window-setup-hook) (temp-buffer-window-show-hook): New hooks. (temp-buffer-window-setup, temp-buffer-window-show) (with-temp-buffer-window): New functions. (fit-window-to-buffer): Remove unused optional argument OVERRIDE. (special-display-popup-frame): Make sure the window used shows BUFFER. * help.el (temp-buffer-resize-mode): Fix doc-string. (resize-temp-buffer-window): New optional argument WINDOW. * files.el (recover-file, save-buffers-kill-emacs): * dired.el (dired-mark-pop-up): Use with-temp-buffer-window.
* Do not allow to set major mode for a dead buffer.Dmitry Antipov2012-08-281-4/+4
| | | | | | | * buffer.c (Fset_buffer_major_mode): Signal an error if the buffer is dead. (Fother_buffer, other_buffer_safely): Remove redundant nested declaration.
* Always use set_buffer_if_live to restore original buffer at unwind.Dmitry Antipov2012-08-281-1/+1
| | | | | | | | * buffer.h (record_unwind_current_buffer): New function. * bytecode.c, dispnew.c, editfns.c, fileio.c, fns.c, insdel.c: * keyboard.c, keymap.c, minibuf.c, print.c, process.c, textprop.c: * undo.c, window.c: Adjust users. * buffer.c (set_buffer_if_live): Fix comment.
* Fix usage of set_buffer_internal.Dmitry Antipov2012-08-281-17/+1
| | | | | | | | | | | | * buffer.h (set_buffer_internal): Make it BUFFER_INLINE. * buffer.c (set_buffer_if_live): Use set_buffer_internal. * coding.c (decode_coding): Omit redundant test. * fileio.c (decide_coding_unwind): Likewise. * fns.c (secure_hash): Likewise. * insdel.c (modify_region): Likewise. * keyboard.c (command_loop_1): Likewise. * print.c (PRINTFINISH): Likewise. * xdisp.c (run_window_scroll_functions): Use set_buffer_internal.
* * buffer.c, buffer.h: Use bool for boolean.Paul Eggert2012-08-231-65/+53
| | | | | | | | | | | | | | | | | * buffer.c (reset_buffer_local_variables) (buffer_lisp_local_variables, Fset_buffer_modified_p) (Frestore_buffer_modified_p, Fset_buffer_multibyte): (overlays_at, overlays_in, mouse_face_overlay_overlaps) (overlay_touches_p, overlay_strings, Foverlay_put) (report_overlay_modification, call_overlay_mod_hooks): (mmap_enlarge, mmap_set_vars): * buffer.h (buffer_has_overlays, uppercasep, lowercasep): Use bool for booleans, instead of int. * buffer.c (compact_buffer, mmap_free_1): Return void, not int, since the 1-or-0 return value is always ignored anyway. (mmap_initialized_p): * buffer.h (struct buffer_text.inhibit_shrinking): Now bool, not int. * buffer.h, lisp.h: Adjust prototypes to match above changes.
* Inline getter and setter functions for per-buffer values.Dmitry Antipov2012-08-201-5/+5
| | | | | | | * buffer.h (per_buffer_default, set_per_buffer_default) (per_buffer_value, set_per_buffer_value): New functions. (PER_BUFFER_VALUE, PER_BUFFER_DEFAULT): Remove. * buffer.c, data.c: Adjust users.
* * buffer.h (BSET): Remove.Paul Eggert2012-08-171-138/+364
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Replace all uses with calls to new setter functions. (bset_bidi_paragraph_direction, bset_case_canon_table) (bset_case_eqv_table, bset_directory, bset_display_count) (bset_display_time, bset_downcase_table) (bset_enable_multibyte_characters, bset_filename, bset_keymap) (bset_last_selected_window, bset_local_var_alist) (bset_mark_active, bset_point_before_scroll, bset_read_only) (bset_truncate_lines, bset_undo_list, bset_upcase_table) (bset_width_table): * buffer.c (bset_abbrev_mode, bset_abbrev_table) (bset_auto_fill_function, bset_auto_save_file_format) (bset_auto_save_file_name, bset_backed_up, bset_begv_marker) (bset_bidi_display_reordering, bset_buffer_file_coding_system) (bset_cache_long_line_scans, bset_case_fold_search) (bset_ctl_arrow, bset_cursor_in_non_selected_windows) (bset_cursor_type, bset_display_table, bset_extra_line_spacing) (bset_file_format, bset_file_truename, bset_fringe_cursor_alist) (bset_fringe_indicator_alist, bset_fringes_outside_margins) (bset_header_line_format, bset_indicate_buffer_boundaries) (bset_indicate_empty_lines, bset_invisibility_spec) (bset_left_fringe_width, bset_major_mode, bset_mark) (bset_minor_modes, bset_mode_line_format, bset_mode_name) (bset_name, bset_overwrite_mode, bset_pt_marker) (bset_right_fringe_width, bset_save_length) (bset_scroll_bar_width, bset_scroll_down_aggressively) (bset_scroll_up_aggressively, bset_selective_display) (bset_selective_display_ellipses, bset_vertical_scroll_bar_type) (bset_word_wrap, bset_zv_marker): * category.c (bset_category_table): * syntax.c (bset_syntax_table): New setter functions. Fixes: debbugs:12215
* * frame.h (FSET): Remove (Bug#12215).Paul Eggert2012-08-171-5/+5
| | | | | | | | | | | | | | | | | Replace all uses with calls to new setter functions. Use INLINE_HEADER_BEGIN, INLINE_HEADER_END. (FRAME_INLINE): New macro. (fset_buffer_list, fset_buried_buffer_list, fset_condemned_scroll_bars) (fset_current_tool_bar_string, fset_desired_tool_bar_string) (fset_face_alist, fset_focus_frame, fset_icon_name, fset_menu_bar_items) (fset_menu_bar_vector, fset_menu_bar_window, fset_name) (fset_param_alist, fset_root_window, fset_scroll_bars) (fset_selected_window, fset_title, fset_tool_bar_items) (fset_tool_bar_position, fset_tool_bar_window): New functions. * frame.c (FRAME_INLINE): Define to EXTERN_INLINE, so that the corresponding functions are compiled into code. (fset_buffer_predicate, fset_minibuffer_window): New setter functions.
* A few more naming-convention fixes for getters and setters.Paul Eggert2012-08-171-29/+42
| | | | | | | | | | | | | | | | | | | | | | | * buffer.c (set_buffer_overlays_before): Move here from buffer.h, and rename from buffer_overlays_set_before. (set_buffer_overlays_after): Move here from buffer.h, and rename from buffer_overlays_set_after. * buffer.h (buffer_intervals): Rename from buffer_get_intervals. All uses changed. (set_buffer_intervals): Rename from buffer_set_intervals. * intervals.c (set_interval_object): Move here from intervals.h, and rename from interval_set_object. (set_interval_left): Move here from intervals.h, and rename from interval_set_left. (set_interval_right): Move here from intervals.h, and rename from interval_set_right. (copy_interval_parent): Move here from intervals.h, and rename from interval_copy_parent. * intervals.h (set_interval_parent): Rename from interval_set_parent. (set_interval_plist): Rename from interval_set_plist. Return void, not Lisp_Object, since no caller uses the result. * lisp.h (string_intervals): Rename from string_get_intervals. (set_string_intervals): Rename from string_set_intervals.
* Revert and cleanup some recent overlay changes.Dmitry Antipov2012-08-141-65/+57
| | | | | | | | * buffer.h (enum overlay_type): Remove. (buffer_get_overlays, buffer_set_overlays): Likewise. (buffer_set_overlays_before, buffer_set_overlays_after): New function. Adjust users. (unchain_both): Add eassert.
* Use BSET for write access to Lisp_Object members of struct buffer.Dmitry Antipov2012-08-131-135/+138
| | | | | | | | * buffer.h (BSET): New macro. * buffer.c, casetab.c, cmds.c, coding.c, data.c, editfns.c: * fileio.c, frame.c, indent.c, insdel.c, intervals.c, keymap.c: * minibuf.c, print.c, process.c, syntax.c, undo.c, w32fns.c: * window.c, xdisp.c, xfns.c: Adjust users.
* Inline functions to examine and change buffer overlays.Dmitry Antipov2012-08-081-59/+73
| | | | | | | | | * buffer.c (unchain_both): New function. * buffer.h (buffer_get_overlays, buffer_set_overlays): (buffer_has_overlays): New function. (enum overlay_type): New enum. * alloc.c, buffer.c, editfns.c, fileio.c, indent.c: * insdel.c, intervals.c, print.c, xdisp.c: Adjust users.
* Inline functions to examine and change buffer intervals.Dmitry Antipov2012-08-081-4/+4
| | | | | | | | | | | | | * alloc.c (mark_interval_tree): Remove. (MARK_INTERVAL_TREE): Simplify. (UNMARK_BALANCE_INTERVALS): Remove. Adjust users. * intervals.c (buffer_balance_intervals): New function. (graft_intervals_into_buffer): Adjust indentation. (set_intervals_multibyte): Simplify. * buffer.h (BUF_INTERVALS): Remove. (buffer_get_intervals, buffer_set_intervals): New function. * alloc.c, buffer.c, editfns.c, fileio.c, indent.c, insdel.c: * intervals.c, textprop.c: Adjust users.
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