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9c222b9c1a Port to C compilers that lack size-0 arrays
fed35a8951 Port emacsclient to Solaris 10
f35d6a9c73 * CONTRIBUTE: Improve commit message instructions
e0ee1d003a Work around IBM XL C compiler bug
6b99b6eb8b * admin/make-tarball.txt: Various clarifications.
bbf4140091 * admin/diff-tar-files: Don't assume .tar.gz.
0a50ad11db * lisp/tab-bar.el (tab-bar-close-other-tabs): Fix regression.
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The C standard does not allow size-zero arrays, so redo struct
Lisp_Subr to not use size-zero arrays when native compilation is
not being used. Formerly, the code was using size-zero arrays (a
GNU C extension) to avoid using memory unnecessarily when
HAVE_NATIVE_COMP is not defined. Replace this hack with the
more-traditional hack of putting the relevant members inside
‘#ifdef HAVE_NATIVE_COMP’.
* src/alloc.c (cleanup_vector, mark_object):
* src/comp.c (make_subr):
* src/data.c (Fsubr_native_lambda_list, Fsubr_native_comp_unit):
* src/eval.c (init_eval_once, funcall_lambda):
* src/lisp.h (SUBR_NATIVE_COMPILEDP, SUBR_NATIVE_COMPILED_DYNP)
(SUBR_TYPE):
* src/lread.c (Fload):
Conditionally compile with ‘#ifdef HAVE_NATIVE_COMP’ instead of
with ‘if (NATIVE_COMP_FLAG)’. Redo members like native_comp_u[0]
to be plain native_comp_u. Put all uses of these members inside
‘#ifdef HAVE_NATIVE_COMP’.
* src/lisp.h (struct Lisp_Subr): Members native_comp_u,
native_c_name, lambda_list, type are now all ifdeffed out if
HAVE_NATIVE_COMP is not defined, instead of being size-zero
arrays. All uses changed.
* src/pdumper.c (dump_subr, dump_cold_native_subr)
(dump_do_dump_relocation):
* src/comp.h (NATIVE_COMP_FLAG): Remove; no longer needed.
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* .gitignore: Add binaries specific to Haiku.
* Makefie.in (HAVE_BE_APP): New variable.
(install-arch-dep): Install Emacs and Emacs.pdmp when
using Haiku.
* configure.ac: Detect and configure for Haiku and
various related configurations.
(be-app, be-freetype, be-cairo): New options.
(HAVE_BE_APP, HAIKU_OBJ, HAIKU_CXX_OBJ)
(HAIKU_LIBS, HAIKU_CFLAGS): New variables.
(HAIKU, HAVE_TINY_SPEED_T): New define.
(emacs_config_features): Add BE_APP.
* doc/emacs/Makefile.in (EMACSSOURCES): Add Haiku
appendix.
* doc/emacs/emacs.texi: Add Haiku appendix to menus and
include it.
* doc/emacs/haiku.texi: New Haiku appendix.
* doc/lispref/display.texi (Defining Faces, Window Systems):
Explain meaning of `haiku' as a window system identifier.
(haiku-use-system-tooltips): Explain meaning of system
tooltips on
Haiku.
* doc/lispref/frames.texi (Multiple Terminals): Explain
meaning of haiku as a display type.
(Frame Layout): Clarify section for Haiku frames.
(Size Parameters): Explain limitations of fullwidth and
fullheight on Haiku.
(Management Parameters): Explain limitations of
inhibiting double buffering on builds with Cairo,
and the inability of frames with no-accept-focus to
receive keyboard input on Haiku.
(Font and Color Parameters): Explain the different font
backends available on Haiku.
(Raising and Lowering): Explain that lowering and
restacking frames doesn't work on Haiku.
(Child Frames): Explain oddities of child frame
visibility on Haiku.
* doc/lispref/os.texi (System Environment): Explain
meaning of haiku.
* etc/MACHINES: Add appropriate notices for Haiku.
* etc/NEWS: Document changes.
* etc/PROBLEMS: Document font spacing bug on Haiku.
* lib-src/Makefile.in: Build be-resources binary on
Haiku.
(CXX, CXXFLAGS, NON_CXX_FLAGS, ALL_CXXFLAGS)
(HAVE_BE_APP, HAIKU_LIBS, HAIKU_CFLAGS): New variables.
(DONT_INSTALL): Add be-resources binary if on Haiku.
(be-resources): New target.
* lib-src/be_resources: Add helper binary for setting
resources on the Emacs application.
* lib-src/emacsclient.c (decode_options): Set
alt_display to "be" on Haiku.
* lisp/cus-edit.el (custom-button, custom-button-mouse)
(custom-button-unraised, custom-button-pressed): Update
face definitions for Haiku.
* lisp/cus-start.el: Add haiku-debug-on-fatal-error and
haiku-use-system-tooltips.
* lisp/faces.el (face-valid-attribute-values): Clarify
attribute comment for Haiku.
(tool-bar): Add appropriate toolbar color for Haiku.
* lisp/frame.el (haiku-frame-geometry)
(haiku-mouse-absolute-pixel-position)
(haiku-set-mouse-absolute-pixel-position)
(haiku-frame-edges)
(haiku-frame-list-z-order): New function declarations.
(frame-geometry, frame-edges)
(mouse-absolute-pixel-position)
(set-mouse-absolute-pixel-position)
(frame-list-z-order): Call appropriate window system
functions on Haiku.
(display-mouse-p, display-graphic-p)
(display-images-p, display-pixel-height)
(display-pixel-width, display-mm-height)
(display-mm-width, display-backing-store)
(display-save-under, display-planes)
(display-color-cells, display-visual-class): Update type
tests for Haiku.
* lisp/international/mule-cmds.el
(set-coding-system-map): Also
prevent set-terminal-coding-system from appearing in the menu
bar on Haiku.
* lisp/loadup.el: Load Haiku-specific files when built
with Haiku, and don't rename newly built Emacs on Haiku as BFS
doesn't support hard links.
* lisp/menu-bar.el (menu-bar-open): Add for Haiku.
* lisp/mwheel.el (mouse-wheel-down-event): Expect
wheel-up on Haiku.
(mouse-wheel-up-event): Expect wheel-down on Haiku.
(mouse-wheel-left-event): Expect wheel-left on Haiku.
(mouse-wheel-right-event): Expect wheel-right on Haiku.
* lisp/net/browse-url.el
(browse-url--browser-defcustom-type):
Add option for WebPositive.
(browse-url-webpositive-program): New variable.
(browse-url-default-program): Search for WebPositive.
(browse-url-webpositive): New function.
* lisp/net/eww.el (eww-form-submit, eww-form-file)
(eww-form-checkbox, eww-form-select): Define faces
appropriately for Haiku.
* lisp/term/haiku-win.el: New file.
* lisp/tooltip.el (menu-or-popup-active-p): New function
declaration.
(tooltip-show-help): Don't use tooltips on Haiku when a
menu is active.
* lisp/version.el (haiku-get-version-string): New
function declaration.
(emacs-version): Add Haiku version string if
appropriate.
* src/Makefile.in: Also produce binary named "Emacs"
with Haiku resources set.
(CXX, HAIKU_OBJ, HAIKU_CXX_OBJ, HAIKU_LIBS)
(HAIKU_CFLAGS, HAVE_BE_APP, NON_CXX_FLAGS)
(ALL_CXX_FLAGS): New variables.
(.SUFFIXES): Add .cc.
(.cc.o): New target.
(base_obj): Add Haiku C objects.
(doc_obj, obj): Split objects that should scanned for
documentation into doc_obj.
(SOME_MACHINE_OBJECTS): Add appropriate Haiku C objects.
(all): Depend on Emacs and Emacs.pdmp on Haiku.
(LIBES): Add Haiku libraries.
(gl-stamp)
($(etc)/DOC): Scan doc_obj instead of obj
(temacs$(EXEEXT): Use C++ linker on Haiku.
(ctagsfiles3): New variable.
(TAGS): Scan C++ files.
* src/alloc.c (garbage_collect): Mark Haiku display.
* src/dispextern.h (HAVE_NATIVE_TRANSFORMS): Also enable
on Haiku.
(struct image): Add fields for Haiku transforms.
(RGB_PIXEL_COLOR): Define to unsigned long on Haiku as
well.
(sit_for): Also check USABLE_SIGPOLL.
(init_display_interactive): Set initial window system to
Haiku on Haiku builds.
* src/emacs.c (main): Define Haiku syms and init haiku
clipboard.
(shut_down_emacs): Quit BApplication on Haiku and
trigger debug
on aborts if haiku_debug_on_fatal_error.
(Vsystem_type): Update docstring.
* src/fileio.c (next-read-file-uses-dialog-p): Enable on
Haiku.
* src/filelock.c (WTMP_FILE): Only define if BOOT_TIME
is also defined.
* src/floatfns.c (double_integer_scale): Work around
Haiku libroot brain damage.
* src/font.c (syms_of_font): Define appropriate font
driver symbols for Haiku builds with various options.
* src/font.h: Also enable ftcrfont on Haiku builds with
Cairo.
(font_data_structures_may_be_ill_formed): Also enable on
Haiku builds that have Cairo.
* src/frame.c (Fframep): Update doc-string for Haiku
builds and return haiku if appropriate.
(syms_of_frame): New symbol `haiku'.
* src/frame.h (struct frame): Add output data for Haiku.
(FRAME_HAIKU_P): New macro.
(FRAME_WINDOW_P): Test for Haiku frames as well.
* src/ftcrfont.c (RED_FROM_ULONG, GREEN_FROM_ULONG)
(BLUE_FROM_ULONG): New macros.
(ftcrfont_draw): Add haiku specific code for Haiku
builds with Cairo.
* src/ftfont.c (ftfont_open): Set face.
(ftfont_has_char, ftfont_text_extents): Work around
crash.
(syms_of_ftfont): New symbol `mono'.
* src/ftfont.h (struct font_info): Enable Cairo-specific
fields for Cairo builds on Haiku.
* src/haiku_draw_support.cc:
* src/haiku_font_support.cc:
* src/haiku_io.c:
* src/haiku_select.cc:
* src/haiku_support.cc:
* src/haiku_support.h:
* src/haikufns.c:
* src/haikufont.c:
* src/haikugui.h:
* src/haikuimage.c:
* src/haikumenu.c:
* src/haikuselect.c:
* src/haikuselect.h:
* src/haikuterm.c:
* src/haikuterm.h: Add new files for Haiku windowing
support.
* src/haiku.c: Add new files for Haiku operating system
support.
* src/image.c: Implement image transforms and native XPM
support
on Haiku.
(GET_PIXEL, PUT_PIXEL, NO_PIXMAP)
(PIX_MASK_RETAIN, PIX_MASK_DRAW)
(RGB_TO_ULONG, RED_FROM_ULONG, GREEN_FROM_ULONG)
(BLUE_FROM_ULONG, RED16_FROM_ULONG, GREEN16_FROM_ULONG)
(BLUE16_FROM_ULONG): Define to appropriate values on
Haiku.
(image_create_bitmap_from_data): Add Haiku support.
(image_create_bitmap_from_file): Add TODO on Haiku.
(free_bitmap_record): Free bitmap on Haiku.
(image_size_in_bytes): Implement for Haiku bitmaps.
(image_set_transform): Implement on Haiku.
(image_create_x_image_and_pixmap_1): Implement on Haiku,
24-bit or 1-bit only.
(image_destroy_x_image, image_get_x_image): Use correct
img and pixmap values on Haiku.
(lookup_rgb_color): Use correct macro on Haiku.
(image_to_emacs_colors): Implement on Haiku.
(image_disable_image): Disable on Haiku.
(image_can_use_native_api): Test for translator presence
on Haiku.
(native_image_load): Use translator on Haiku.
(imagemagick_load_image): Add Haiku-specific quirks.
(Fimage_transforms_p): Allow rotate90 on Haiku.
(image_types): Enable native XPM support on Haiku.
(syms_of_image): Enable XPM images on Haiku.
* src/keyboard.c (kbd_buffer_get_event)
(handle_async_input, handle_input_available_signal)
(handle_user_signal, Fset_input_interrupt_mode)
(init_keyboard): Check for USABLE_SIGPOLL along with
USABLE_SIGIO.
* src/lisp.h (pD): Work around broken Haiku headers.
(HAVE_EXT_MENU_BAR): Define on Haiku.
(handle_input_available_signal): Enable if we just have
SIGPOLL as well.
* src/menu.c (have_boxes): Return true on Haiku.
(single_menu_item): Enable toolkit menus on Haiku.
(find_and_call_menu_selection): Also enable on Haiku.
* src/process.c (keyboard_bit_set): Enable with only
usable SIGPOLL.
(wait_reading_process_output): Test for SIGPOLL as well
as SIGIO availability.
* src/sound.c (sound_perror, vox_open)
(vox_configure, vox_close): Enable for usable SIGPOLL as
well.
* src/sysdep.c (sys_subshell): Enable for usable SIGPOLL.
(reset_sigio): Make conditional on F_SETOWN.
(request_sigio, unrequest_sigio)
(emacs_sigaction_init): Also handle SIGPOLLs.
(init_sys_modes): Disable TCXONC usage on Haiku, as it
doesn't have any ttys other than pseudo ttys, which don't
support C-s/C-q flow control, and causes compiler warnings.
(speeds): Disable high speeds if HAVE_TINY_SPEED_T.
* src/termhooks.h (enum output_method): Add output_haiku.
(struct terminal): Add Haiku display info.
(TERMINAL_FONT_CACHE): Enable for Haiku.
* src/terminal.c (Fterminal_live_p): Return `haiku' if
appropriate.
* src/verbose.mk.in (AM_V_CXX, AM_V_CXXLD): New logging
variables.
* src/xdisp.c (redisplay_internal)
(note_mouse_highlight): Return on Haiku if a popup is activated.
(display_menu_bar): Return on Haiku if frame is a Haiku
frame.
* src/xfaces.c (GCGraphicsExposures): Enable correctly on Haiku.
(x_create_gc): Enable dummy GC code on Haiku.
* src/xfns.c (x-server-version, x-file-dialog): Add
Haiku specifics to doc strings.
* src/xterm.c (syms_of_xterm): Add Haiku information to
doc string.
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Especially, insert a space between function name and paren.
* src/alloc.c (garbage_collect):
* src/font.h:
* src/frame.h:
* src/fringe.c:
* src/gtkutil.c (xg_set_screen):
(xg_create_frame_widgets):
(xg_create_frame_outer_widgets):
(xg_get_file_name):
(xg_get_font):
(xg_update_scrollbar_pos):
* src/image.c (image_create_bitmap_from_file):
(xpm_load_image):
* src/pgtkfns.c (pgtk_get_monitor_scale_factor):
(is_wayland_display):
(pgtk_display_info_for_name):
(INSTALL_CURSOR):
(Fx_create_frame):
(Fx_display_mm_height):
(Fx_display_mm_width):
(Fx_display_pixel_width):
(Fx_display_pixel_height):
* src/pgtkselect.c (pgtk_selection_usable):
(Fpgtk_own_selection_internal):
(Fpgtk_get_selection_internal):
* src/pgtkterm.c:
(x_set_parent_frame):
(pgtk_draw_fringe_bitmap):
(pgtk_handle_draw):
(scroll_event):
(pgtk_text_scaling_factor):
(pgtk_term_init):
* src/pgtkterm.h:
* src/window.h:
* src/xdisp.c (redisplay_internal):
(draw_glyphs_debug):
(draw_glyphs):
(note_mouse_highlight):
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I changed some "#ifdef"s to "#if defined"s by mistake, so I reverted them.
* src/alloc.c: Reverted.
(garbage_collect): Reverted.
* src/emacs.c (main): Reverted.
* src/image.c (xpm_load_image): Reverted.
(image_disable_image): Reverted.
(image_build_heuristic_mask): Reverted.
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This fixes the only remaining GCC diagnostics when emacs-28 is
configured with --enable-gcc-warnings. It does so by adding
ATTRIBUTE_RETURNS_NONNULL so that GCC knows certain functions
return nonnull. It also arranges for three of those functions to
always return nonnull; I thought these functions already were
doing so, but apparently not, and it is conceivable (though I
haven’t checked this) that changing these functions to always
return nonnull even on non-GNU platforms may fix unlikely
portability bugs elsewhere in Emacs. I used GCC 11.2.1 20210728
(Red Hat 11.2.1-1) on x86-64 when checking the diagnostics.
* configure.ac: Invoke gl_EEMALLOC before gl_INIT, in case
the regex code doesn't invoke gl_EEMALLOC; needed for src/alloc.c’s
use of MALLOC_0_IS_NONNULL.
* src/alloc.c (xmalloc, xzalloc, xrealloc): Don’t worry about the
special case where SIZE == 0, since lmalloc and lrealloc now
return null only on allocation failure.
(lmalloc, lrealloc): Return null only on allocation failure,
instead of having special cases that treat malloc (0) and
realloc (X, 0) as successes even when they return null.
* src/lisp.h: Add ATTRIBUTE_RETURNS_NONNULL to a few functions
that always return nonnull pointers, so that gcc -fanalyzer
does not issue diagnostics like “alloc.c: In function
‘allocate_vector_block’: alloc.c:2985:15: warning: dereference of
possibly-NULL ‘block’ [CWE-690] [-Wanalyzer-possible-null-dereference]”
as per <https://cwe.mitre.org/data/definitions/690.html>.
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* src/alloc.c (lisp_malloc): Document that NBYTES must be
positive, and omit a needless runtime check. This pacifies a
false alarm with gcc 11.2.1 -Wanalyzer-possible-null-dereference.
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* doc/lispref/searching.texi (Extending Rx):
* doc/lispref/strings.texi (Creating Strings):
* doc/misc/modus-themes.org (Measure color contrast (DIY)):
* etc/NEWS:
* lisp/find-file.el (ff-find-other-file):
* lisp/gnus/gnus-group.el (gnus-group-suspend):
* lisp/progmodes/cc-langs.el (c-ml-string-any-closer-re):
* lisp/progmodes/flymake.el (flymake-list-only-diagnostics):
* lisp/progmodes/xref.el (xref--group-name-for-display):
* lisp/transient.el (transient-child, transient-files)
(transient-infix-value):
* src/alloc.c:
* src/regex-emacs.c (regex_compile):
Remove duplicate words in comments, documentation etc.
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* src/alloc.c: musl doesn't have malloc_info (bug#50058).
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* src/.gdbinit: Make them enclosed in condition.
* src/alloc.c: Define defined_HAVE_PGTK and make it externally visible.
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* src/alloc.c (mark_maybe_pointer): Make it clearer that ANDing
with UINTPTR_MAX is intended. Omit a now-unnecessary cast.
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* src/alloc.c (mark_maybe_pointer): Simplify pacification
of gcc -Woverflow (unknown GCC version).
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* src/alloc.c (mark_maybe_pointer): Fix a recent change for
WIDE_EMACS_INT builds. (Bug#49261)
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Prevent some false-positives in conservative GC marking.
This doesn’t fix any correctness bugs; it’s merely to
reclaim some memory instead of keeping it unnecessarily.
* src/alloc.c (mark_maybe_pointer): New arg SYMBOL_ONLY.
All callers changed. Check that the pointer’s tag, if any,
matches the pdumper-reported type.
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* src/alloc.c (mark_maybe_pointer): Also mark pointers
to pdumper objects, even when the pointers are tagged.
Add a FIXME saying why this isn’t enough.
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* src/alloc.c (cleanup_vector): Call unload_comp_unit.
* src/comp.c (unload_comp_unit): New function.
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* src/lisp.h (struct Lisp_Subr): Add 'type' field.
(SUBR_TYPE): New inline accessor.
* src/pdumper.c (dump_subr): Update for 'type' field.
* src/data.c (Fsubr_type): New primitive.
(syms_of_data): Update.
* src/comp.c (ABI_VERSION): Bump new ABI version.
(make_subr): Set type.
(Fcomp__register_lambda, Fcomp__register_subr)
(Fcomp__late_register_subr): Receive and pass subr type to
'make_subr'.
* src/alloc.c (mark_object): Mark subr type.
* lisp/emacs-lisp/comp.el (comp-func): Change slot type into mvar.
(comp-emit-for-top-level, comp-emit-lambda-for-top-level): Pass
type mvar to subr register functions.
(comp-compute-function-type): Fix-up subr type mvars.
* test/src/comp-tests.el (comp-tests-check-ret-type-spec): Use
`subr-type'.
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When recompiling remove the corresponding stale elns found in the
`comp-eln-load-path'.
When removing a package remove the corresponding elns too.
On Windows both of these are performed only when possible, when it's
not the file is renamed as .eln.old and a last attempt to remove this
is performed closing the Emacs session. When a file being deleted was
loaded by multiple Emacs sessions the last one being closed should
delete it.
* lisp/emacs-lisp/comp.el (comp-clean-up-stale-eln): New function.
(comp-delete-or-replace-file): Rename from
`comp--replace-output-file' and update so it can be used for
replacing or deleting shared libs safetly.
* lisp/emacs-lisp/package.el (package--delete-directory): When
native compiled just call `comp-clean-up-stale-eln' for each
eln file we want to clean-up.
* src/alloc.c (cleanup_vector): Call directly the dynlib_close.
* src/comp.c (syms_of_comp): Update for comp_u->cfile removal.
Make 'all_loaded_comp_units_h' key-value weak as now the key will
be the filename.
(load_comp_unit): Register the compilation unit only when the load
is fully completed.
(register_native_comp_unit): Make the key of
all_loaded_comp_units_h the load filename.
(eln_load_path_final_clean_up): New function.
(dispose_comp_unit)
(finish_delayed_disposal_of_comp_units)
(dispose_all_remaining_comp_units)
(clean_package_user_dir_of_old_comp_units): Remove.
(Fcomp__compile_ctxt_to_file): Update for
`comp--replace-output-file' -> `comp-delete-or-replace-file'
rename.
* src/comp.h (dispose_comp_unit)
(finish_delayed_disposal_of_comp_units)
(dispose_all_remaining_comp_units)
(clean_package_user_dir_of_old_comp_units): Remove.
(eln_load_path_final_clean_up): Add.
(struct Lisp_Native_Comp_Unit): Remove cfile field.
* src/emacs.c (Fkill_emacs): Call 'eln_load_path_final_clean_up'.
* src/pdumper.c (dump_do_dump_relocation): Do not set comp_u->cfile.
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Add an initial implementation to support dynamic scope. Arg
parsing/binding it's done using the existing code in use for
bytecode (no ad-hoc code is synthetized for that).
* src/lisp.h (struct Lisp_Subr): Add lambda_list field.
(SUBR_NATIVE_COMPILED_DYNP): New inliner.
* src/alloc.c (mark_object): Update for Add lambda_list field.
* src/eval.c (eval_sub, Ffuncall, funcall_lambda): Handle native
compiled dynamic scope
* src/comp.c (declare_lex_function): Rename from declare_function
and rework.
(declare_function): New function.
(make_subr): Handle daynamic scope
* src/pdumper.c (dump_subr): Update for lambda_list field.
* lisp/emacs-lisp/comp.el (comp-func): Remove args slot.
(comp-func-l, comp-func-d): New classes deriving from `comp-func'.
(comp-spill-lap-function): Rework.
(comp-prepare-args-for-top-level): New function.
(comp-emit-for-top-level, comp-emit-lambda-for-top-level): Make
use of `comp-prepare-args-for-top-level'.
(comp-limplify-top-level): Use `comp-func-l'.
(comp-limplify-function): Emit arg prologue only for dynamic
scoped functions.
(comp-call-optim-form-call): Use `comp-func-l'.
(comp-call-optim, comp-tco): Do not optimize dynamic scoped code.
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* src/lisp.h (struct Lisp_Subr): Remove const qualifier from
'native_c_name'.
* src/alloc.c (cleanup_vector): Cast to discard const qualifier.
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* src/alloc.c (cleanup_vector): Handle native compiled
functions.
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When closing emacs will inspect all directories from which it loaded
native compilation units. If it finds a ".eln.old" file it will try to
delete it, if it fails that means that another Emacs instance is using it.
When compiling a file we rename the file that was in the output path
in case it has been loaded into another Emacs instance.
When deleting a package we move any ".eln" or ".eln.old" files in the
package folder that we can't delete to `package-user-dir`. Emacs will
check that directory when closing and delete them.
* lisp/emacs-lisp/comp.el (comp--replace-output-file): Function called
from C code to finish the compilation process. It performs renaming of
the old file if necessary.
* lisp/emacs-lisp/package.el (package--delete-directory): Function to
delete a package directory. It moves native compilation units that it
can't delete to `package-user-dir'.
* src/alloc.c (cleanup_vector): Call dispose_comp_unit().
(garbage_collect): Call finish_delayed_disposal_of_comp_units().
* src/comp.c: Restore the signal mask using unwind-protect. Store
loaded native compilation units in a hash table for disposal on
close. Store filenames of native compilation units GC'd in a linked
list to finish their disposal when the GC is over.
(clean_comp_unit_directory): Delete all *.eln.old files in a
directory.
(clean_package_user_dir_of_old_comp_units): Delete all *.eln.old files
in `package-user-dir'.
(dispose_all_remaining_comp_units): Dispose of native compilation
units that are still loaded.
(dispose_comp_unit): Close handle and cleanup directory or arrange for
later cleanup if DELAY is true.
(finish_delayed_disposal_of_comp_units): Dispose of native compilation
units that were GC'd.
(register_native_comp_unit): Register native compilation unit for
disposal when Emacs closes.
* src/comp.h: Introduce cfile member in Lisp_Native_Comp_Unit.
Add declarations of functions that: clean directories of unused native
compilation units, handle disposal of native compilation units.
* src/emacs.c (kill-emacs): Dispose all remaining compilation units
right right before calling exit().
* src/eval.c (internal_condition_case_3, internal_condition_case_4):
Add functions.
* src/lisp.h (internal_condition_case_3, internal_condition_case_4):
Add functions.
* src/pdumper.c (dump_do_dump_relocation): Set cfile to a copy of the
Lisp string specifying the file path.
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* src/pdumper.c (dump_subr): Update Lisp_Subr hash.
(dump_subr): Update for new compilation unit layout.
(dump_vectorlike): Update pvec_type hash.
* src/lisp.h (struct Lisp_Subr): Remove 'native_doc' index.
(DEFUN): Update macro for new compilation unit
layout.
* src/doc.c (Fdocumentation): Update for new compilation unit
layout.
* src/comp.h (struct Lisp_Native_Comp_Unit):
Add 'data_fdoc_h' field.
* src/comp.c (TEXT_FDOC_SYM): New macro.
(emit_ctxt_code): Emit function documentations.
(load_comp_unit): Load function documentation.
(Fcomp__register_subr): Rename parameter.
(Fcomp__register_subr): Update for new compilation unit
layout.
* src/alloc.c (mark_object): Update for new compilation unit
layout.
(syms_of_alloc): Likewise.
* lisp/emacs-lisp/comp.el (comp-ctxt): Add doc-index-h slot.
(comp-emit-for-top-level): Emit doc index as 'comp--register-subr'
doc parameter.
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native_intspec and native_doc fields has to be reached by the subr
cause are not anymore in the CU.
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