Mercurial > hg > xemacs-beta
annotate src/lstream.h @ 1204:e22b0213b713
[xemacs-hg @ 2003-01-12 11:07:58 by michaels]
modules/ChangeLog:
2002-12-16 Ben Wing <ben@xemacs.org>
* postgresql/postgresql.c:
remove ifdef USE_KKCC.
src/ChangeLog:
2003-01-08 Mike Sperber <mike@xemacs.org>
* console.h (CDFW_CONSOLE): Don't lead to a crash if we're dealing
with a dead window/frame/device/console.
2002-12-20 Mike Sperber <mike@xemacs.org>
* ui-gtk.c: Fix typo from Ben's patch: emacs_ffi_data is a
typedef, not a struct. emacs_gtk_object_data is a typedef, not a
struct.
* gtk-glue.c (gdk_event_to_emacs_event): Fix typos from Ben's
patch: le -> emacs_event + rearrange the code.
* event-gtk.c (gtk_event_to_emacs_event): Fix typos from Ben's
patch: ..._UNDERLYING_GDK_EVENT -> ..._GDK_EVENT, ev -> key_event.
* device-gtk.c: Fix typo from Ben's patch: x_keysym_map_hash_table
-> x_keysym_map_hashtable.
2002-12-19 Mike Sperber <mike@xemacs.org>
* menubar-x.c (set_frame_menubar): Initialize protect_me field of
popup_data.
2002-12-16 Ben Wing <ben@xemacs.org>
Major cleanup of KKCC, etc.
KKCC, pdump-related:
-- descriptions are written for all objects. this required some
changes in the format of some objects, e.g. extents, popup-data,
coding system, lstream, lcrecord-list.
-- KKCC now handles weakness in markers, hash tables, elsewhere
correctly (formerly, you'd eventually get a stack overflow due
to endlessly expanding markers).
-- textual changes: lrecord_description -> memory_description,
struct_description -> sized_memory_description.
-- extensive comment describing descriptions and pdump.
-- redo XD_UNION so it works inline and change its format to provide
sufficient info for pdump. implement XD_UNION in pdump. also add
XD_UNION_DYNAMIC_SIZE, which works like XD_UNION except for when
auto-computing structure sizes.
-- add support for XD_INDIRECT in description offsets (used by
extents).
-- add support for "description maps", allowing for indirect
descriptions that are retrieved from an object at run-time. this
generalizes XD_CODING_SYSTEM_END, XD_SPECIFIER_END, etc., which
have now been eliminated.
-- add a fifth field "flags" to memory_description, to support flags
that can be specified for this particular line. Currently defined
flags are XD_FLAG_NO_KKCC (KKCC should ignore this entry; useful
for the weakness above in markers, etc.), XD_FLAG_NO_PDUMP (pdump
should ignore this entry), XD_FLAG_UNION_DEFAULT_ENTRY (in
union maps, this specifies a "default" entry for all remaining
values), and XD_FLAG_FREE_LISP_OBJECT (for use with lcrecord-lists).
-- clean up the kkcc-itis in events, so that the differences
between event data as separate objects and as a union are now
minimized to a small number of places. with the new XD_UNION, we
no longer need event data as separate objects, so this code is no
longer ifdef USE_KKCC, but instead ifdef EVENT_DATA_AS_OBJECTS,
not used by default. make sure that we explicitly free the
separate event data objects when no longer in use, to maintain the
invariant the event processing causes no consing.
-- also remove other USE_KKCC ifdefs when not necessary.
-- allow for KKCC compilation under MS Windows.
-- fix README.kkcc.
-- dump_add_root_object -> dump_add_root_lisp_object.
-- implement dump_add_root_block and use this to handle
dump_add_opaque.
-- factor out some code duplicated in kkcc and pdump.
Other allocation/object-related:
-- change various *slots.h so MARKED_SLOT() call no longer
includes semicolon.
-- free_marker() takes a Lisp_Object not a direct pointer.
-- make bit vectors lcrecords, like vectors, and eliminate code
that essentially duplicated the lcrecord handling.
-- additional asserts in FREE_FIXED_TYPE, formerly duplicated in
the various callers of this.
-- all lcrecord allocation functions now zero out the returned
lcrecords. unnecessary calls to zero_lcrecord removed. add long
comment describing these functions.
-- extract out process and coding system slots, like for buffers,
frames, etc.
-- lcrecords now set the type of items sitting on the free list to
lcrecord_type_free.
-- changes to the way that gap arrays are allocated, for kkcc's
benefit -- now, one single memory block with a stretchy array on
the end, instead of a separate block holding the array.
Error-checking-related:
-- now can compile with C++ under MS Windows. clean up compile errors
discovered that way. (a few were real problems)
-- add C++ error-checking code to verify problems with mismatched
GCPRO/UNGCPRO. (there were a few in the kkcc code.) add long
comment about how to catch insufficient GCPRO (yes, it's possible
using C++).
-- add debug_p4(), a simple object printer, when debug_print()
doesn't work.
-- add dp() and db() as short synonyms of debug_print(),
debug_backtrace().
-- `print' tries EXTREMELY hard to avoid core dumping when printing
when crashing or from debug_print(), and tries as hard as it
reasonably can in other situations.
-- Correct the message output upon crashing to be more up-to-date.
Event-related:
-- document event-matches-key-specifier-p better.
-- generalize the dispatch queues formerly duplicated in the
various event implementations. add event methods to drain pending
events. generalize and clean up QUIT handling, removing
event-specific quit processing. allow arbitrary keystrokes, not
just ASCII, to be the QUIT char. among other things, this should
fix some longstanding bugs in X quit handling. long comment
describing the various event queues.
-- implement delaying of XFlush() if there are pending expose events.
SOMEONE PLEASE TRY THIS OUT.
-- Fix `xemacs -batch -l dunnet' under Cygwin. Try to fix under
MS Windows but not quite there yet.
Other:
-- class -> class_ and no more C++ games with this item.
new -> new_ in the lwlib code, so far not elsewhere.
-- use `struct htentry' not `struct hentry' in elhash.c to avoid
debugger confusion with hash.c.
-- new macros ALIST_LOOP_3, ALIST_LOOP_4.
* README.kkcc:
* alloc.c:
* alloc.c (deadbeef_memory):
* alloc.c (allocate_lisp_storage):
* alloc.c (copy_lisp_object):
* alloc.c (ALLOCATE_FIXED_TYPE_1):
* alloc.c (FREE_FIXED_TYPE):
* alloc.c (make_vector_internal):
* alloc.c (make_bit_vector_internal):
* alloc.c (make_key_data):
* alloc.c (make_button_data):
* alloc.c (make_motion_data):
* alloc.c (make_process_data):
* alloc.c (make_timeout_data):
* alloc.c (make_magic_data):
* alloc.c (make_magic_eval_data):
* alloc.c (make_eval_data):
* alloc.c (make_misc_user_data):
* alloc.c (struct string_chars_block):
* alloc.c (mark_lcrecord_list):
* alloc.c (make_lcrecord_list):
* alloc.c (alloc_managed_lcrecord):
* alloc.c (free_managed_lcrecord):
* alloc.c (alloc_automanaged_lcrecord):
* alloc.c (staticpro_1):
* alloc.c (staticpro):
* alloc.c (lispdesc_indirect_count_1):
* alloc.c (lispdesc_indirect_description_1):
* alloc.c (lispdesc_one_description_line_size):
* alloc.c (lispdesc_structure_size):
* alloc.c (mark_object_maybe_checking_free):
* alloc.c (mark_with_description):
* alloc.c (mark_struct_contents):
* alloc.c (mark_object):
* alloc.c (tick_lcrecord_stats):
* alloc.c (free_cons):
* alloc.c (free_key_data):
* alloc.c (free_button_data):
* alloc.c (free_motion_data):
* alloc.c (free_process_data):
* alloc.c (free_timeout_data):
* alloc.c (free_magic_data):
* alloc.c (free_magic_eval_data):
* alloc.c (free_eval_data):
* alloc.c (free_misc_user_data):
* alloc.c (free_marker):
* alloc.c (compact_string_chars):
* alloc.c (gc_sweep):
* alloc.c (garbage_collect_1):
* alloc.c (Fgarbage_collect):
* alloc.c (common_init_alloc_early):
* alloc.c (init_alloc_early):
* alloc.c (init_alloc_once_early):
* buffer.c:
* buffer.c (mark_buffer):
* buffer.c (MARKED_SLOT):
* buffer.c (cleanup_buffer_undo_lists):
* buffer.c (Fget_file_buffer):
* buffer.h (MARKED_SLOT):
* bufslots.h:
* bytecode.c:
* callint.c:
* casetab.c:
* chartab.c:
* chartab.c (symbol_to_char_table_type):
* cmdloop.c:
* cmdloop.c (Fcommand_loop_1):
* config.h.in (new):
* conslots.h:
* console-gtk-impl.h (struct gtk_frame):
* console-impl.h:
* console-impl.h (struct console):
* console-impl.h (MARKED_SLOT):
* console-impl.h (CONSOLE_QUIT_EVENT):
* console-msw-impl.h (XM_BUMPQUEUE):
* console-msw.c (write_string_to_mswindows_debugging_output):
* console-msw.h:
* console-stream-impl.h:
* console-stream-impl.h (struct stream_console):
* console-stream.c:
* console-stream.c (stream_init_console):
* console-stream.h:
* console-tty.c:
* console-tty.h:
* console-x.h:
* console.c:
* console.c (mark_console):
* console.c (MARKED_SLOT):
* console.c (allocate_console):
* console.c (get_console_variant):
* console.c (create_console):
* console.c (delete_console_internal):
* console.c (Fset_input_mode):
* console.c (Fcurrent_input_mode):
* console.c (common_init_complex_vars_of_console):
* console.h:
* console.h (console_variant):
* console.h (device_metrics):
* data.c:
* data.c (Faref):
* data.c (Faset):
* data.c (decode_weak_list_type):
* database.c:
* debug.c (xemacs_debug_loop):
* debug.c (FROB):
* debug.c (Fadd_debug_class_to_check):
* debug.c (Fdelete_debug_class_to_check):
* debug.c (Fset_debug_classes_to_check):
* debug.c (Fset_debug_class_types_to_check):
* debug.c (Fdebug_types_being_checked):
* debug.h (DASSERT):
* device-gtk.c:
* device-impl.h (struct device):
* device-impl.h (MARKED_SLOT):
* device-msw.c:
* device-x.c:
* device-x.c (x_init_device_class):
* device-x.c (x_comp_visual_info):
* device-x.c (x_try_best_visual_class):
* device-x.c (x_init_device):
* device-x.c (construct_name_list):
* device-x.c (x_get_resource_prefix):
* device-x.c (Fx_get_resource):
* device-x.c (Fx_display_visual_class):
* device.c:
* device.c (MARKED_SLOT):
* device.c (allocate_device):
* device.c (Fmake_device):
* device.c (delete_device_internal):
* device.c (Fset_device_class):
* device.h:
* devslots.h:
* devslots.h (MARKED_SLOT):
* dialog-msw.c:
* dired-msw.c (mswindows_ls_sort_fcn):
* dired-msw.c (mswindows_get_files):
* dired-msw.c (mswindows_format_file):
* doprnt.c (parse_doprnt_spec):
* dumper.c:
* dumper.c (struct):
* dumper.c (dump_add_root_block):
* dumper.c (dump_add_root_struct_ptr):
* dumper.c (dump_add_root_lisp_object):
* dumper.c (pdump_struct_list_elt):
* dumper.c (pdump_get_entry_list):
* dumper.c (pdump_backtrace):
* dumper.c (pdump_bump_depth):
* dumper.c (pdump_register_sub):
* dumper.c (pdump_register_object):
* dumper.c (pdump_register_struct_contents):
* dumper.c (pdump_register_struct):
* dumper.c (pdump_store_new_pointer_offsets):
* dumper.c (pdump_dump_data):
* dumper.c (pdump_reloc_one):
* dumper.c (pdump_allocate_offset):
* dumper.c (pdump_scan_by_alignment):
* dumper.c (pdump_dump_root_blocks):
* dumper.c (pdump_dump_rtables):
* dumper.c (pdump_dump_root_lisp_objects):
* dumper.c (pdump):
* dumper.c (pdump_load_finish):
* dumper.c (pdump_file_get):
* dumper.c (pdump_resource_get):
* dumper.c (pdump_load):
* editfns.c (save_excursion_restore):
* editfns.c (user_login_name):
* editfns.c (save_restriction_restore):
* elhash.c:
* elhash.c (htentry):
* elhash.c (struct Lisp_Hash_Table):
* elhash.c (HTENTRY_CLEAR_P):
* elhash.c (LINEAR_PROBING_LOOP):
* elhash.c (check_hash_table_invariants):
* elhash.c (mark_hash_table):
* elhash.c (hash_table_equal):
* elhash.c (print_hash_table_data):
* elhash.c (free_hentries):
* elhash.c (make_general_lisp_hash_table):
* elhash.c (decode_hash_table_weakness):
* elhash.c (decode_hash_table_test):
* elhash.c (Fcopy_hash_table):
* elhash.c (resize_hash_table):
* elhash.c (pdump_reorganize_hash_table):
* elhash.c (find_htentry):
* elhash.c (Fgethash):
* elhash.c (Fputhash):
* elhash.c (remhash_1):
* elhash.c (Fremhash):
* elhash.c (Fclrhash):
* elhash.c (copy_compress_hentries):
* elhash.c (elisp_maphash_unsafe):
* elhash.c (finish_marking_weak_hash_tables):
* elhash.c (prune_weak_hash_tables):
* elhash.h:
* emacs.c:
* emacs.c (main_1):
* emacs.c (main):
* emacs.c (shut_down_emacs):
* emodules.h (dump_add_root_lisp_object):
* eval.c:
* eval.c (unwind_to_catch):
* eval.c (maybe_signal_error_1):
* eval.c (maybe_signal_continuable_error_1):
* eval.c (maybe_signal_error):
* eval.c (maybe_signal_continuable_error):
* eval.c (maybe_signal_error_2):
* eval.c (maybe_signal_continuable_error_2):
* eval.c (maybe_signal_ferror):
* eval.c (maybe_signal_continuable_ferror):
* eval.c (maybe_signal_ferror_with_frob):
* eval.c (maybe_signal_continuable_ferror_with_frob):
* eval.c (maybe_syntax_error):
* eval.c (maybe_sferror):
* eval.c (maybe_invalid_argument):
* eval.c (maybe_invalid_constant):
* eval.c (maybe_invalid_operation):
* eval.c (maybe_invalid_change):
* eval.c (maybe_invalid_state):
* eval.c (Feval):
* eval.c (call_trapping_problems):
* eval.c (call_with_suspended_errors):
* eval.c (warn_when_safe_lispobj):
* eval.c (warn_when_safe):
* eval.c (vars_of_eval):
* event-Xt.c:
* event-Xt.c (maybe_define_x_key_as_self_inserting_character):
* event-Xt.c (x_to_emacs_keysym):
* event-Xt.c (x_event_to_emacs_event):
* event-Xt.c (emacs_Xt_enqueue_focus_event):
* event-Xt.c (emacs_Xt_format_magic_event):
* event-Xt.c (emacs_Xt_compare_magic_event):
* event-Xt.c (emacs_Xt_hash_magic_event):
* event-Xt.c (emacs_Xt_handle_magic_event):
* event-Xt.c (Xt_timeout_to_emacs_event):
* event-Xt.c (Xt_process_to_emacs_event):
* event-Xt.c (signal_special_Xt_user_event):
* event-Xt.c (emacs_Xt_next_event):
* event-Xt.c (emacs_Xt_event_handler):
* event-Xt.c (emacs_Xt_drain_queue):
* event-Xt.c (emacs_Xt_event_pending_p):
* event-Xt.c (check_if_pending_expose_event):
* event-Xt.c (reinit_vars_of_event_Xt):
* event-Xt.c (vars_of_event_Xt):
* event-gtk.c:
* event-gtk.c (IS_MODIFIER_KEY):
* event-gtk.c (emacs_gtk_format_magic_event):
* event-gtk.c (emacs_gtk_compare_magic_event):
* event-gtk.c (emacs_gtk_hash_magic_event):
* event-gtk.c (emacs_gtk_handle_magic_event):
* event-gtk.c (gtk_to_emacs_keysym):
* event-gtk.c (gtk_timeout_to_emacs_event):
* event-gtk.c (gtk_process_to_emacs_event):
* event-gtk.c (dragndrop_data_received):
* event-gtk.c (signal_special_gtk_user_event):
* event-gtk.c (emacs_gtk_next_event):
* event-gtk.c (gtk_event_to_emacs_event):
* event-gtk.c (generic_event_handler):
* event-gtk.c (emacs_shell_event_handler):
* event-gtk.c (emacs_gtk_drain_queue):
* event-gtk.c (emacs_gtk_event_pending_p):
* event-gtk.c (reinit_vars_of_event_gtk):
* event-gtk.c (vars_of_event_gtk):
* event-msw.c:
* event-msw.c (struct winsock_stream):
* event-msw.c (winsock_reader):
* event-msw.c (winsock_writer):
* event-msw.c (mswindows_enqueue_dispatch_event):
* event-msw.c (mswindows_enqueue_misc_user_event):
* event-msw.c (mswindows_enqueue_magic_event):
* event-msw.c (mswindows_enqueue_process_event):
* event-msw.c (mswindows_enqueue_mouse_button_event):
* event-msw.c (mswindows_enqueue_keypress_event):
* event-msw.c (mswindows_dequeue_dispatch_event):
* event-msw.c (emacs_mswindows_drain_queue):
* event-msw.c (mswindows_need_event_in_modal_loop):
* event-msw.c (mswindows_need_event):
* event-msw.c (mswindows_wm_timer_callback):
* event-msw.c (dde_eval_string):
* event-msw.c (Fdde_alloc_advise_item):
* event-msw.c (mswindows_dde_callback):
* event-msw.c (mswindows_wnd_proc):
* event-msw.c (remove_timeout_mapper):
* event-msw.c (emacs_mswindows_remove_timeout):
* event-msw.c (emacs_mswindows_event_pending_p):
* event-msw.c (emacs_mswindows_format_magic_event):
* event-msw.c (emacs_mswindows_compare_magic_event):
* event-msw.c (emacs_mswindows_hash_magic_event):
* event-msw.c (emacs_mswindows_handle_magic_event):
* event-msw.c (emacs_mswindows_select_console):
* event-msw.c (emacs_mswindows_unselect_console):
* event-msw.c (reinit_vars_of_event_mswindows):
* event-msw.c (vars_of_event_mswindows):
* event-stream.c:
* event-stream.c (mark_command_builder):
* event-stream.c (reset_command_builder_event_chain):
* event-stream.c (allocate_command_builder):
* event-stream.c (copy_command_builder):
* event-stream.c (command_builder_append_event):
* event-stream.c (event_stream_event_pending_p):
* event-stream.c (event_stream_force_event_pending):
* event-stream.c (maybe_read_quit_event):
* event-stream.c (event_stream_drain_queue):
* event-stream.c (remove_quit_p_event):
* event-stream.c (event_stream_quit_p):
* event-stream.c (echo_key_event):
* event-stream.c (maybe_kbd_translate):
* event-stream.c (execute_help_form):
* event-stream.c (event_stream_generate_wakeup):
* event-stream.c (enqueue_dispatch_event):
* event-stream.c (enqueue_magic_eval_event):
* event-stream.c (Fenqueue_eval_event):
* event-stream.c (enqueue_misc_user_event):
* event-stream.c (enqueue_misc_user_event_pos):
* event-stream.c (next_event_internal):
* event-stream.c (Fnext_event):
* event-stream.c (Faccept_process_output):
* event-stream.c (execute_internal_event):
* event-stream.c (munge_keymap_translate):
* event-stream.c (command_builder_find_leaf_no_mule_processing):
* event-stream.c (command_builder_find_leaf):
* event-stream.c (lookup_command_event):
* event-stream.c (is_scrollbar_event):
* event-stream.c (execute_command_event):
* event-stream.c (Fdispatch_event):
* event-stream.c (Fread_key_sequence):
* event-stream.c (dribble_out_event):
* event-stream.c (vars_of_event_stream):
* event-tty.c (tty_timeout_to_emacs_event):
* event-tty.c (emacs_tty_next_event):
* event-tty.c (emacs_tty_drain_queue):
* event-tty.c (reinit_vars_of_event_tty):
* event-unixoid.c:
* event-unixoid.c (find_tty_or_stream_console_from_fd):
* event-unixoid.c (read_event_from_tty_or_stream_desc):
* event-unixoid.c (drain_tty_devices):
* event-unixoid.c (poll_fds_for_input):
* events.c:
* events.c (deinitialize_event):
* events.c (zero_event):
* events.c (mark_event):
* events.c (print_event_1):
* events.c (print_event):
* events.c (event_equal):
* events.c (event_hash):
* events.c (Fmake_event):
* events.c (Fdeallocate_event):
* events.c (Fcopy_event):
* events.c (map_event_chain_remove):
* events.c (character_to_event):
* events.c (event_to_character):
* events.c (Fevent_to_character):
* events.c (format_event_object):
* events.c (upshift_event):
* events.c (downshift_event):
* events.c (event_upshifted_p):
* events.c (Fevent_live_p):
* events.c (Fevent_type):
* events.c (Fevent_timestamp):
* events.c (CHECK_EVENT_TYPE):
* events.c (CHECK_EVENT_TYPE2):
* events.c (CHECK_EVENT_TYPE3):
* events.c (Fevent_key):
* events.c (Fevent_button):
* events.c (Fevent_modifier_bits):
* events.c (event_x_y_pixel_internal):
* events.c (event_pixel_translation):
* events.c (Fevent_process):
* events.c (Fevent_function):
* events.c (Fevent_object):
* events.c (Fevent_properties):
* events.c (syms_of_events):
* events.c (vars_of_events):
* events.h:
* events.h (struct event_stream):
* events.h (struct Lisp_Key_Data):
* events.h (KEY_DATA_KEYSYM):
* events.h (EVENT_KEY_KEYSYM):
* events.h (struct Lisp_Button_Data):
* events.h (EVENT_BUTTON_BUTTON):
* events.h (struct Lisp_Motion_Data):
* events.h (EVENT_MOTION_X):
* events.h (struct Lisp_Process_Data):
* events.h (EVENT_PROCESS_PROCESS):
* events.h (struct Lisp_Timeout_Data):
* events.h (EVENT_TIMEOUT_INTERVAL_ID):
* events.h (struct Lisp_Eval_Data):
* events.h (EVENT_EVAL_FUNCTION):
* events.h (struct Lisp_Misc_User_Data):
* events.h (EVENT_MISC_USER_FUNCTION):
* events.h (struct Lisp_Magic_Eval_Data):
* events.h (EVENT_MAGIC_EVAL_INTERNAL_FUNCTION):
* events.h (struct Lisp_Magic_Data):
* events.h (EVENT_MAGIC_UNDERLYING):
* events.h (EVENT_MAGIC_GDK_EVENT):
* events.h (struct Lisp_Event):
* events.h (XEVENT_CHANNEL):
* events.h (SET_EVENT_TIMESTAMP_ZERO):
* events.h (SET_EVENT_CHANNEL):
* events.h (SET_EVENT_NEXT):
* events.h (XSET_EVENT_TYPE):
* events.h (struct command_builder):
* extents.c:
* extents.c (gap_array_adjust_markers):
* extents.c (gap_array_recompute_derived_values):
* extents.c (gap_array_move_gap):
* extents.c (gap_array_make_gap):
* extents.c (gap_array_insert_els):
* extents.c (gap_array_delete_els):
* extents.c (gap_array_make_marker):
* extents.c (gap_array_delete_marker):
* extents.c (gap_array_move_marker):
* extents.c (make_gap_array):
* extents.c (free_gap_array):
* extents.c (extent_list_num_els):
* extents.c (extent_list_insert):
* extents.c (mark_extent_auxiliary):
* extents.c (allocate_extent_auxiliary):
* extents.c (decode_extent_at_flag):
* extents.c (verify_extent_mapper):
* extents.c (symbol_to_glyph_layout):
* extents.c (syms_of_extents):
* faces.c:
* file-coding.c:
* file-coding.c (struct_detector_category_description =):
* file-coding.c (detector_category_dynarr_description_1):
* file-coding.c (struct_detector_description =):
* file-coding.c (detector_dynarr_description_1):
* file-coding.c (MARKED_SLOT):
* file-coding.c (mark_coding_system):
* file-coding.c (coding_system_extra_description_map):
* file-coding.c (coding_system_description):
* file-coding.c (allocate_coding_system):
* file-coding.c (symbol_to_eol_type):
* file-coding.c (Fcoding_system_aliasee):
* file-coding.c (set_coding_stream_coding_system):
* file-coding.c (struct convert_eol_coding_system):
* file-coding.c (struct undecided_coding_system):
* file-coding.c (undecided_mark_coding_stream):
* file-coding.c (coding_category_symbol_to_id):
* file-coding.c (struct gzip_coding_system):
* file-coding.c (coding_system_type_create):
* file-coding.h:
* file-coding.h (struct Lisp_Coding_System):
* file-coding.h (CODING_SYSTEM_SLOT_DECLARATION):
* file-coding.h (coding_system_variant):
* file-coding.h (struct coding_system_methods):
* file-coding.h (DEFINE_CODING_SYSTEM_TYPE_WITH_DATA):
* file-coding.h (INITIALIZE_CODING_SYSTEM_TYPE_WITH_DATA):
* file-coding.h (struct coding_stream):
* fileio.c (Fsubstitute_in_file_name):
* floatfns.c:
* fns.c:
* fns.c (base64_encode_1):
* frame-gtk.c:
* frame-gtk.c (Fgtk_start_drag_internal):
* frame-impl.h (struct frame):
* frame-impl.h (MARKED_SLOT):
* frame-msw.c:
* frame-x.c:
* frame-x.c (Fcde_start_drag_internal):
* frame-x.c (Foffix_start_drag_internal):
* frame.c:
* frame.c (MARKED_SLOT):
* frame.c (allocate_frame_core):
* frame.c (delete_frame_internal):
* frame.c (Fmouse_position_as_motion_event):
* frameslots.h:
* frameslots.h (MARKED_SLOT_ARRAY):
* free-hook.c:
* glyphs-msw.c (mswindows_widget_instantiate):
* glyphs-x.c:
* glyphs-x.c (convert_EImage_to_XImage):
* glyphs.c:
* glyphs.c (process_image_string_instantiator):
* glyphs.c (mark_image_instance):
* glyphs.c (allocate_image_instance):
* glyphs.c (unmap_subwindow):
* glyphs.c (map_subwindow):
* glyphs.c (syms_of_glyphs):
* glyphs.c (specifier_type_create_image):
* glyphs.h:
* glyphs.h (struct text_image_instance):
* glyphs.h (struct Lisp_Image_Instance):
* gmalloc.c:
* gmalloc.c ("C"):
* gpmevent.c (Freceive_gpm_event):
* gpmevent.c (gpm_next_event_cb):
* gpmevent.c (vars_of_gpmevent):
* gtk-glue.c (gdk_event_to_emacs_event):
* gtk-xemacs.c (gtk_xemacs_class_init):
* gui-msw.c:
* gui-msw.c (mswindows_handle_gui_wm_command):
* gui-msw.c (mswindows_translate_menu_or_dialog_item):
* gui-x.c:
* gui-x.c (mark_popup_data):
* gui-x.c (snarf_widget_value_mapper):
* gui-x.c (gcpro_popup_callbacks):
* gui-x.c (ungcpro_popup_callbacks):
* gui-x.c (free_popup_widget_value_tree):
* gui-x.c (popup_selection_callback):
* gui-x.h:
* gui-x.h (struct popup_data):
* gui.c:
* gui.c (allocate_gui_item):
* gutter.c (decode_gutter_position):
* hash.c (NULL_ENTRY):
* indent.c (vmotion_1):
* indent.c (vmotion_pixels):
* input-method-motif.c (res):
* input-method-xlib.c (IMInstantiateCallback):
* input-method-xlib.c (XIM_init_device):
* input-method-xlib.c (res):
* intl-encap-win32.c:
* intl-encap-win32.c (qxeSHGetDataFromIDList):
* intl-win32.c:
* intl-win32.c (mswindows_multibyte_cp_type):
* intl-win32.c (struct mswindows_multibyte_coding_system):
* keymap.c:
* keymap.c (make_key_description):
* keymap.c (keymap_store):
* keymap.c (get_keyelt):
* keymap.c (keymap_lookup_1):
* keymap.c (define_key_parser):
* keymap.c (key_desc_list_to_event):
* keymap.c (event_matches_key_specifier_p):
* keymap.c (meta_prefix_char_p):
* keymap.c (ensure_meta_prefix_char_keymapp):
* keymap.c (Fdefine_key):
* keymap.c (struct raw_lookup_key_mapper_closure):
* keymap.c (raw_lookup_key):
* keymap.c (raw_lookup_key_mapper):
* keymap.c (lookup_keys):
* keymap.c (lookup_events):
* keymap.c (Flookup_key):
* keymap.c (struct map_keymap_unsorted_closure):
* keymap.c (map_keymap_unsorted_mapper):
* keymap.c (map_keymap_sorted):
* keymap.c (map_keymap_mapper):
* keymap.c (map_keymap):
* keymap.c (accessible_keymaps_mapper_1):
* keymap.c (Faccessible_keymaps):
* keymap.c (Fsingle_key_description):
* keymap.c (raw_keys_to_keys):
* keymap.c (format_raw_keys):
* keymap.c (where_is_recursive_mapper):
* keymap.c (where_is_internal):
* keymap.c (describe_map_mapper_shadow_search):
* keymap.c (keymap_lookup_inherited_mapper):
* keymap.c (describe_map_mapper):
* keymap.h (event_matches_key_specifier_p):
* lisp.h:
* lisp.h (this):
* lisp.h (RETURN_NOT_REACHED):
* lisp.h (struct Lisp_Vector):
* lisp.h (struct Lisp_Bit_Vector):
* lisp.h (UNGCPRO_1):
* lisp.h (NUNGCPRO):
* lisp.h (NNUNGCPRO):
* lisp.h (DECLARE_INLINE_HEADER):
* lrecord.h:
* lrecord.h (struct lrecord_header):
* lrecord.h (struct lcrecord_header):
* lrecord.h (lrecord_type):
* lrecord.h (struct lrecord_implementation):
* lrecord.h (RECORD_DUMPABLE):
* lrecord.h (memory_description_type):
* lrecord.h (data_description_entry_flags):
* lrecord.h (struct memory_description):
* lrecord.h (struct sized_memory_description):
* lrecord.h (XD_INDIRECT):
* lrecord.h (XD_IS_INDIRECT):
* lrecord.h (XD_DYNARR_DESC):
* lrecord.h (DEFINE_BASIC_LRECORD_IMPLEMENTATION):
* lrecord.h (MAKE_LRECORD_IMPLEMENTATION):
* lrecord.h (MAKE_EXTERNAL_LRECORD_IMPLEMENTATION):
* lrecord.h (alloc_lcrecord_type):
* lstream.c:
* lstream.c (Lstream_new):
* lstream.c (lisp_buffer_marker):
* lstream.h:
* lstream.h (lstream_implementation):
* lstream.h (DEFINE_LSTREAM_IMPLEMENTATION):
* lstream.h (DEFINE_LSTREAM_IMPLEMENTATION_WITH_DATA):
* marker.c:
* marker.c (copy_marker_1):
* mem-limits.h:
* menubar-gtk.c:
* menubar-gtk.c (gtk_popup_menu):
* menubar-msw.c:
* menubar-msw.c (mswindows_popup_menu):
* menubar-x.c (make_dummy_xbutton_event):
* menubar-x.c (command_builder_operate_menu_accelerator):
* menubar-x.c (menu_accelerator_safe_compare):
* menubar-x.c (menu_accelerator_safe_mod_compare):
* mule-charset.c:
* mule-charset.c (make_charset):
* mule-charset.c (Fcharset_property):
* mule-coding.c:
* mule-coding.c (ccs_description_1):
* mule-coding.c (ccs_description =):
* mule-coding.c (ccsd_description_1):
* mule-coding.c (ccsd_description =):
* nt.c (getpwnam):
* nt.c (init_mswindows_environment):
* nt.c (get_cached_volume_information):
* nt.c (mswindows_is_executable):
* nt.c (read_unc_volume):
* nt.c (mswindows_access):
* nt.c (mswindows_link):
* nt.c (mswindows_fstat):
* nt.c (mswindows_stat):
* nt.c (mswindows_executable_type):
* nt.c (Fmswindows_short_file_name):
* nt.c (Fmswindows_long_file_name):
* objects-impl.h (struct Lisp_Color_Instance):
* objects-impl.h (struct Lisp_Font_Instance):
* objects-tty.c:
* objects-x.c (allocate_nearest_color):
* objects.c:
* objects.c (Fmake_color_instance):
* objects.c (Fmake_font_instance):
* objects.c (font_instantiate):
* opaque.c:
* opaque.c (make_opaque):
* opaque.c (make_opaque_ptr):
* opaque.c (reinit_opaque_early):
* opaque.c (init_opaque_once_early):
* print.c:
* print.c (printing_badness):
* print.c (printing_major_badness):
* print.c (print_internal):
* print.c (debug_p4):
* print.c (dp):
* print.c (debug_backtrace):
* process-nt.c (nt_create_process):
* process-nt.c (get_internet_address):
* process-unix.c:
* process-unix.c (struct unix_process_data):
* process-unix.c (get_internet_address):
* process-unix.c (unix_alloc_process_data):
* process-unix.c (unix_create_process):
* process-unix.c (try_to_initialize_subtty):
* process-unix.c (unix_kill_child_process):
* process-unix.c (process_type_create_unix):
* process.c:
* process.c (mark_process):
* process.c (MARKED_SLOT):
* process.c (make_process_internal):
* process.c (Fprocess_tty_name):
* process.c (decode_signal):
* process.h:
* procimpl.h:
* procimpl.h (struct process_methods):
* procimpl.h (struct Lisp_Process):
* rangetab.c:
* realpath.c (readlink_and_correct_case):
* redisplay-x.c (x_window_output_end):
* redisplay-x.c (x_redraw_exposed_area):
* redisplay-x.c (x_clear_frame):
* redisplay.c:
* redisplay.h:
* redisplay.h (struct rune_dglyph):
* redisplay.h (struct rune):
* scrollbar.c:
* scrollbar.c (create_scrollbar_instance):
* specifier.c:
* specifier.c (specifier_empty_extra_description_1):
* specifier.c (make_specifier_internal):
* specifier.c (decode_locale_type):
* specifier.c (decode_how_to_add_specification):
* specifier.h:
* specifier.h (struct specifier_methods):
* specifier.h (DEFINE_SPECIFIER_TYPE_WITH_DATA):
* specifier.h (INITIALIZE_SPECIFIER_TYPE_WITH_DATA):
* symbols.c:
* symbols.c (Fsetplist):
* symbols.c (default_value):
* symbols.c (decode_magic_handler_type):
* symbols.c (handler_type_from_function_symbol):
* symbols.c (Fdefvaralias):
* symbols.c (init_symbols_once_early):
* symbols.c (reinit_symbols_early):
* symsinit.h:
* sysdep.c (sys_subshell):
* sysdep.c (tty_init_sys_modes_on_device):
* syswindows.h:
* text.c (dfc_convert_to_external_format):
* text.c (dfc_convert_to_internal_format):
* text.c (reinit_eistring_early):
* text.c (init_eistring_once_early):
* text.c (reinit_vars_of_text):
* text.h:
* text.h (INC_IBYTEPTR_FMT):
* text.h (DEC_IBYTEPTR_FMT):
* toolbar.c:
* toolbar.c (decode_toolbar_position):
* tooltalk.c:
* ui-gtk.c:
* unexnt.c:
* unexnt.c (_start):
* unexnt.c (unexec):
* unexnt.c (get_section_info):
* unicode.c:
* unicode.c (vars_of_unicode):
* window.c:
* window.c (allocate_window):
* window.c (new_window_mirror):
* window.c (update_mirror_internal):
* winslots.h:
| author | michaels |
|---|---|
| date | Sun, 12 Jan 2003 11:08:22 +0000 |
| parents | 804517e16990 |
| children | 6fa9919a9a0b |
| rev | line source |
|---|---|
| 428 | 1 /* Generic stream implementation -- header file. |
| 2 Copyright (C) 1995 Free Software Foundation, Inc. | |
| 788 | 3 Copyright (C) 1996, 2001, 2002 Ben Wing. |
| 428 | 4 |
| 5 This file is part of XEmacs. | |
| 6 | |
| 7 XEmacs is free software; you can redistribute it and/or modify it | |
| 8 under the terms of the GNU General Public License as published by the | |
| 9 Free Software Foundation; either version 2, or (at your option) any | |
| 10 later version. | |
| 11 | |
| 12 XEmacs is distributed in the hope that it will be useful, but WITHOUT | |
| 13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 15 for more details. | |
| 16 | |
| 17 You should have received a copy of the GNU General Public License | |
| 18 along with XEmacs; see the file COPYING. If not, write to | |
| 19 the Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
| 20 Boston, MA 02111-1307, USA. */ | |
| 21 | |
| 22 /* Synched up with: Not in FSF. */ | |
| 23 | |
| 24 /* Written by Ben Wing. */ | |
| 25 | |
| 440 | 26 #ifndef INCLUDED_lstream_h_ |
| 27 #define INCLUDED_lstream_h_ | |
| 428 | 28 |
| 29 /************************************************************************/ | |
| 30 /* definition of Lstream object */ | |
| 31 /************************************************************************/ | |
| 32 | |
| 33 DECLARE_LRECORD (lstream, struct lstream); | |
| 34 #define XLSTREAM(x) XRECORD (x, lstream, struct lstream) | |
| 617 | 35 #define wrap_lstream(p) wrap_record (p, lstream) |
| 428 | 36 #define LSTREAMP(x) RECORDP (x, lstream) |
| 37 /* #define CHECK_LSTREAM(x) CHECK_RECORD (x, lstream) | |
| 38 Lstream pointers should never escape to the Lisp level, so | |
| 39 functions should not be doing this. */ | |
| 40 | |
| 41 #ifndef EOF | |
| 42 #define EOF (-1) | |
| 43 #endif | |
| 44 | |
| 771 | 45 /* There have been some arguments over the what the type should be that |
| 665 | 46 specifies a count of bytes in a data block to be written out or read in, |
| 47 using Lstream_read(), Lstream_write(), and related functions. | |
| 48 Originally it was long, which worked fine; Martin "corrected" these to | |
| 49 size_t and ssize_t on the grounds that this is theoretically cleaner and | |
| 50 is in keeping with the C standards. Unfortunately, this practice is | |
| 51 horribly error-prone due to design flaws in the way that mixed | |
| 52 signed/unsigned arithmetic happens. In fact, by doing this change, | |
| 53 Martin introduced a subtle but fatal error that caused the operation of | |
| 54 sending large mail messages to the SMTP server under Windows to fail. | |
| 55 By putting all values back to be signed, avoiding any signed/unsigned | |
| 56 mixing, the bug immediately went away. The type then in use was | |
| 57 Lstream_Data_Count, so that it be reverted cleanly if a vote came to | |
| 58 that. Now it is Bytecount. | |
| 59 | |
| 60 Some earlier comments about why the type must be signed: This MUST BE | |
| 61 SIGNED, since it also is used in functions that return the number of | |
| 62 bytes actually read to or written from in an operation, and these | |
| 63 functions can return -1 to signal error. | |
| 462 | 64 |
| 65 Note that the standard Unix read() and write() functions define the | |
| 66 count going in as a size_t, which is UNSIGNED, and the count going | |
| 67 out as an ssize_t, which is SIGNED. This is a horrible design | |
| 68 flaw. Not only is it highly likely to lead to logic errors when a | |
| 69 -1 gets interpreted as a large positive number, but operations are | |
| 70 bound to fail in all sorts of horrible ways when a number in the | |
| 71 upper-half of the size_t range is passed in -- this number is | |
| 72 unrepresentable as an ssize_t, so code that checks to see how many | |
| 73 bytes are actually written (which is mandatory if you are dealing | |
| 74 with certain types of devices) will get completely screwed up. | |
| 771 | 75 |
| 665 | 76 --ben |
| 462 | 77 */ |
| 428 | 78 typedef enum lstream_buffering |
| 79 { | |
| 80 /* No buffering. */ | |
| 81 LSTREAM_UNBUFFERED, | |
| 82 /* Buffer until a '\n' character is reached. */ | |
| 83 LSTREAM_LINE_BUFFERED, | |
| 84 /* Buffer in standard-size (i.e. 512-byte) blocks. */ | |
| 85 LSTREAM_BLOCK_BUFFERED, | |
| 86 /* Buffer in blocks of a specified size. */ | |
| 87 LSTREAM_BLOCKN_BUFFERED, | |
| 88 /* Buffer until the stream is closed (only applies to write-only | |
| 89 streams). Only one call to the stream writer will be made, | |
| 90 and that is when the stream is closed. */ | |
| 91 LSTREAM_UNLIMITED | |
| 92 } Lstream_buffering; | |
| 93 | |
| 771 | 94 #if 0 |
| 95 | |
| 96 /* #### not currently implemented; correct EOF handling is quite tricky | |
| 97 in the presence of various levels of filtering streams, and simply | |
| 98 interpreting 0 as EOF works fairly well as long as the amount of | |
| 99 data you're attempting to read is large and you know whether the | |
| 100 source stream at the end of the chain is a pipe (or other blocking | |
| 101 source) or not. we really should fix this, though. */ | |
| 102 | |
| 103 /* Return values from Lstream_read(). We do NOT use the C lib trick | |
| 104 of returning 0 to maybe indicate EOF because that is simply too | |
| 105 random and error-prone. It is quite legitimate for there to be no | |
| 106 data available but no EOF, even when not in the presence of | |
| 107 non-blocking I/O. For example, decoding/encoding streams (and in | |
| 108 general, any type of filtering stream) may only be able to return | |
| 109 data after a certain amount of data on the other end is | |
| 110 available. */ | |
| 111 | |
| 112 #define LSTREAM_EOF -2 | |
| 113 | |
| 114 #endif /* 0 */ | |
| 115 | |
| 116 #define LSTREAM_ERROR -1 | |
| 117 | |
| 428 | 118 /* Methods defining how this stream works. Some may be undefined. */ |
| 119 | |
| 120 /* We do not implement the seek/tell paradigm. I tried to do that, | |
| 121 but getting the semantics right in the presence of buffering is | |
| 122 extremely tricky and very error-prone and basically not worth it. | |
| 123 This is especially the case with complicated streams like | |
| 124 decoding streams -- the seek pointer in this case can't be a single | |
| 125 integer but has to be a whole complicated structure that records | |
| 126 all of the stream's state at the time. | |
| 127 | |
| 128 Rewind semantics are generally easy to implement, so we do provide | |
| 129 a rewind method. Even rewind() may not be available on a stream, | |
| 130 however -- e.g. on process output. */ | |
| 131 | |
| 132 typedef struct lstream_implementation | |
| 133 { | |
| 442 | 134 const char *name; |
| 665 | 135 Bytecount size; /* Number of additional bytes to be |
| 814 | 136 allocated with this stream. Access this |
| 137 data using Lstream_data(). */ | |
| 1204 | 138 |
| 139 /* Description of the extra data (struct foo_lstream) attached to a | |
| 140 coding system. */ | |
| 141 const struct sized_memory_description *extra_description; | |
| 142 | |
| 428 | 143 /* Read some data from the stream's end and store it into DATA, which |
| 144 can hold SIZE bytes. Return the number of bytes read. A return | |
| 145 value of 0 means no bytes can be read at this time. This may | |
| 146 be because of an EOF, or because there is a granularity greater | |
| 147 than one byte that the stream imposes on the returned data, and | |
| 148 SIZE is less than this granularity. (This will happen frequently | |
| 149 for streams that need to return whole characters, because | |
| 150 Lstream_read() calls the reader function repeatedly until it | |
| 151 has the number of bytes it wants or until 0 is returned.) | |
| 152 The lstream functions do not treat a 0 return as EOF or do | |
| 153 anything special; however, the calling function will interpret | |
| 154 any 0 it gets back as EOF. This will normally not happen unless | |
| 155 the caller calls Lstream_read() with a very small size. | |
| 156 | |
| 157 This function can be NULL if the stream is output-only. */ | |
| 442 | 158 /* The omniscient mly, blinded by the irresistible thrall of Common |
| 428 | 159 Lisp, thinks that it is bogus that the types and implementations |
| 160 of input and output streams are the same. */ | |
| 665 | 161 Bytecount (*reader) (Lstream *stream, unsigned char *data, |
| 814 | 162 Bytecount size); |
| 428 | 163 /* Send some data to the stream's end. Data to be sent is in DATA |
| 164 and is SIZE bytes. Return the number of bytes sent. This | |
| 165 function can send and return fewer bytes than is passed in; in | |
| 166 that case, the function will just be called again until there is | |
| 167 no data left or 0 is returned. A return value of 0 means that no | |
| 168 more data can be currently stored, but there is no error; the | |
| 169 data will be squirrelled away until the writer can accept | |
| 170 data. (This is useful, e.g., of you're dealing with a | |
| 171 non-blocking file descriptor and are getting EWOULDBLOCK errors.) | |
| 172 This function can be NULL if the stream is input-only. */ | |
| 665 | 173 Bytecount (*writer) (Lstream *stream, const unsigned char *data, |
| 814 | 174 Bytecount size); |
| 428 | 175 /* Return non-zero if the last write operation on the stream resulted |
| 176 in an attempt to block (EWOULDBLOCK). If this method does not | |
| 177 exists, the implementation returns 0 */ | |
| 178 int (*was_blocked_p) (Lstream *stream); | |
| 179 /* Rewind the stream. If this is NULL, the stream is not seekable. */ | |
| 180 int (*rewinder) (Lstream *stream); | |
| 181 /* Indicate whether this stream is seekable -- i.e. it can be rewound. | |
| 182 This method is ignored if the stream does not have a rewind | |
| 183 method. If this method is not present, the result is determined | |
| 184 by whether a rewind method is present. */ | |
| 185 int (*seekable_p) (Lstream *stream); | |
| 186 /* Perform any additional operations necessary to flush the | |
| 187 data in this stream. */ | |
| 188 int (*flusher) (Lstream *stream); | |
| 771 | 189 /* Perform any additional operations necessary to close this stream down. |
| 190 May be NULL. This function is called when Lstream_close() is called | |
| 191 (which will be called automatically on any open streams when they are | |
| 192 garbage-collected or deleted with Lstream_delete()). When this | |
| 193 function is called, all pending data in the stream will already have | |
| 194 been written out; however, the closer write more data, e.g. an "end" | |
| 195 section at the end of a file. */ | |
| 428 | 196 int (*closer) (Lstream *stream); |
| 771 | 197 /* Clean up any remaining data at the time that a stream is |
| 198 garbage-collected or deleted with Lstream_delete(). If the stream was | |
| 199 open at this point, the finalizer is called after calling | |
| 200 Lstream_close(). Called only once (NOT called at disksave time). */ | |
| 201 void (*finalizer) (Lstream *stream); | |
| 428 | 202 /* Mark this object for garbage collection. Same semantics as |
| 203 a standard Lisp_Object marker. This function can be NULL. */ | |
| 204 Lisp_Object (*marker) (Lisp_Object lstream); | |
| 205 } Lstream_implementation; | |
| 206 | |
| 771 | 207 #define DEFINE_LSTREAM_IMPLEMENTATION(name, c_name) \ |
| 208 Lstream_implementation lstream_##c_name[1] = \ | |
| 1204 | 209 { { (name), sizeof (struct c_name##_stream), \ |
| 210 &lstream_empty_extra_description } } | |
| 211 | |
| 212 #define DEFINE_LSTREAM_IMPLEMENTATION_WITH_DATA(name, c_name) \ | |
| 213 static const struct sized_memory_description c_name##_lstream_description_0 \ | |
| 214 = { \ | |
| 215 sizeof (struct c_name##_stream), \ | |
| 216 c_name##_lstream_description \ | |
| 217 }; \ | |
| 218 Lstream_implementation lstream_##c_name[1] = \ | |
| 219 { { (name), sizeof (struct c_name##_stream), \ | |
| 220 &c_name##_lstream_description_0 } } | |
| 771 | 221 |
| 222 #define DECLARE_LSTREAM(c_name) \ | |
| 223 extern Lstream_implementation lstream_##c_name[] | |
| 428 | 224 |
| 225 #define LSTREAM_FL_IS_OPEN 1 | |
| 226 #define LSTREAM_FL_READ 2 | |
| 227 #define LSTREAM_FL_WRITE 4 | |
| 228 #define LSTREAM_FL_NO_PARTIAL_CHARS 8 | |
| 229 #define LSTREAM_FL_CLOSE_AT_DISKSAVE 16 | |
| 230 | |
| 231 struct lstream | |
| 232 { | |
| 233 struct lcrecord_header header; | |
| 442 | 234 const Lstream_implementation *imp; /* methods for this stream */ |
| 428 | 235 Lstream_buffering buffering; /* type of buffering in use */ |
| 665 | 236 Bytecount buffering_size; /* number of bytes buffered */ |
| 428 | 237 |
| 238 unsigned char *in_buffer; /* holds characters read from stream end */ | |
| 665 | 239 Bytecount in_buffer_size; /* allocated size of buffer */ |
| 240 Bytecount in_buffer_current; /* number of characters in buffer */ | |
| 241 Bytecount in_buffer_ind; /* pointer to next character to | |
| 462 | 242 take from buffer */ |
| 428 | 243 |
| 244 unsigned char *out_buffer; /* holds characters to write to stream end */ | |
| 665 | 245 Bytecount out_buffer_size; /* allocated size of buffer */ |
| 246 Bytecount out_buffer_ind; /* pointer to next buffer spot to | |
| 462 | 247 write a character */ |
| 428 | 248 |
| 249 /* The unget buffer is more or less a stack -- things get pushed | |
| 250 onto the end and read back from the end. Lstream_read() | |
| 251 basically reads backwards from the end to get stuff; Lstream_unread() | |
| 252 similarly has to push the data on backwards. */ | |
| 253 unsigned char *unget_buffer; /* holds characters pushed back onto input */ | |
| 665 | 254 Bytecount unget_buffer_size; /* allocated size of buffer */ |
| 255 Bytecount unget_buffer_ind; /* pointer to next buffer spot | |
| 462 | 256 to write a character */ |
| 428 | 257 |
| 665 | 258 Bytecount byte_count; |
| 456 | 259 int flags; |
| 260 max_align_t data[1]; | |
| 428 | 261 }; |
| 262 | |
| 1204 | 263 extern const struct sized_memory_description lstream_empty_extra_description; |
| 264 | |
| 428 | 265 #define LSTREAM_TYPE_P(lstr, type) \ |
| 266 ((lstr)->imp == lstream_##type) | |
| 267 | |
| 800 | 268 #ifdef ERROR_CHECK_TYPES |
| 826 | 269 DECLARE_INLINE_HEADER ( |
| 270 struct lstream * | |
| 428 | 271 error_check_lstream_type (struct lstream *stream, |
| 442 | 272 const Lstream_implementation *imp) |
| 826 | 273 ) |
| 428 | 274 { |
| 275 assert (stream->imp == imp); | |
| 276 return stream; | |
| 277 } | |
| 771 | 278 # define LSTREAM_TYPE_DATA(lstr, type) \ |
| 279 ((struct type##_stream *) \ | |
| 280 Lstream_data (error_check_lstream_type (lstr, lstream_##type))) | |
| 428 | 281 #else |
| 771 | 282 # define LSTREAM_TYPE_DATA(lstr, type) \ |
| 428 | 283 ((struct type##_stream *) Lstream_data (lstr)) |
| 284 #endif | |
| 285 | |
| 771 | 286 /* Declare that lstream-type TYPE has method M; used in initialization |
| 287 routines */ | |
| 428 | 288 #define LSTREAM_HAS_METHOD(type, m) \ |
| 289 (lstream_##type->m = type##_##m) | |
| 290 | |
| 291 | |
| 442 | 292 Lstream *Lstream_new (const Lstream_implementation *imp, |
| 293 const char *mode); | |
| 428 | 294 void Lstream_reopen (Lstream *lstr); |
| 295 void Lstream_set_buffering (Lstream *lstr, Lstream_buffering buffering, | |
| 296 int buffering_size); | |
| 297 int Lstream_flush (Lstream *lstr); | |
| 298 int Lstream_flush_out (Lstream *lstr); | |
| 299 int Lstream_fputc (Lstream *lstr, int c); | |
| 300 int Lstream_fgetc (Lstream *lstr); | |
| 301 void Lstream_fungetc (Lstream *lstr, int c); | |
| 665 | 302 Bytecount Lstream_read (Lstream *lstr, void *data, |
| 303 Bytecount size); | |
| 771 | 304 int Lstream_write (Lstream *lstr, const void *data, |
| 305 Bytecount size); | |
| 428 | 306 int Lstream_was_blocked_p (Lstream *lstr); |
| 665 | 307 void Lstream_unread (Lstream *lstr, const void *data, Bytecount size); |
| 428 | 308 int Lstream_rewind (Lstream *lstr); |
| 309 int Lstream_seekable_p (Lstream *lstr); | |
| 310 int Lstream_close (Lstream *lstr); | |
| 771 | 311 |
| 428 | 312 void Lstream_delete (Lstream *lstr); |
| 313 void Lstream_set_character_mode (Lstream *str); | |
| 771 | 314 void Lstream_unset_character_mode (Lstream *lstr); |
| 428 | 315 |
| 771 | 316 /* Lstream_putc: Write out one byte to the stream. This is a macro |
| 317 and so it is very efficient. The C argument is only evaluated once | |
| 318 but the STREAM argument is evaluated more than once. Returns 0 on | |
| 319 success, -1 on error. */ | |
| 428 | 320 |
| 771 | 321 #define Lstream_putc(stream, c) \ |
| 322 /* Call the function equivalent if the out buffer is full. Otherwise, \ | |
| 323 add to the end of the out buffer and, if line buffering is called for \ | |
| 324 and the character marks the end of a line, write out the buffer. */ \ | |
| 325 ((stream)->out_buffer_ind >= (stream)->out_buffer_size ? \ | |
| 326 Lstream_fputc (stream, c) : \ | |
| 327 ((stream)->out_buffer[(stream)->out_buffer_ind++] = \ | |
| 328 (unsigned char) (c), \ | |
| 329 (stream)->byte_count++, \ | |
| 330 (stream)->buffering == LSTREAM_LINE_BUFFERED && \ | |
| 331 (stream)->out_buffer[(stream)->out_buffer_ind - 1] == '\n' ? \ | |
| 428 | 332 Lstream_flush_out (stream) : 0)) |
| 333 | |
| 771 | 334 /* Lstream_getc: Read one byte from the stream and returns it as an |
| 335 unsigned char cast to an int, or EOF on end of file or error. This | |
| 336 is a macro and so it is very efficient. The STREAM argument is | |
| 337 evaluated more than once. */ | |
| 338 | |
| 339 #define Lstream_getc(stream) \ | |
| 340 /* Retrieve from unget buffer if there are any characters there; \ | |
| 341 else retrieve from in buffer if there's anything there; \ | |
| 342 else call the function equivalent */ \ | |
| 428 | 343 ((stream)->unget_buffer_ind > 0 ? \ |
| 344 ((stream)->byte_count++, \ | |
| 345 (stream)->unget_buffer[--(stream)->unget_buffer_ind]) : \ | |
| 346 (stream)->in_buffer_ind < (stream)->in_buffer_current ? \ | |
| 347 ((stream)->byte_count++, \ | |
| 348 (stream)->in_buffer[(stream)->in_buffer_ind++]) : \ | |
| 349 Lstream_fgetc (stream)) | |
| 350 | |
| 771 | 351 /* Lstream_ungetc: Push one byte back onto the input queue, cast to |
| 352 unsigned char. This will be the next byte read from the stream. | |
| 353 Any number of bytes can be pushed back and will be read in the | |
| 354 reverse order they were pushed back -- most recent first. (This is | |
| 355 necessary for consistency -- if there are a number of bytes that | |
| 356 have been unread and I read and unread a byte, it needs to be the | |
| 357 first to be read again.) This is a macro and so it is very | |
| 358 efficient. The C argument is only evaluated once but the STREAM | |
| 359 argument is evaluated more than once. | |
| 360 */ | |
| 361 | |
| 428 | 362 #define Lstream_ungetc(stream, c) \ |
| 771 | 363 /* Add to the end if it won't overflow buffer; otherwise call the \ |
| 364 function equivalent */ \ | |
| 428 | 365 ((stream)->unget_buffer_ind >= (stream)->unget_buffer_size ? \ |
| 366 Lstream_fungetc (stream, c) : \ | |
| 367 (void) ((stream)->byte_count--, \ | |
| 368 ((stream)->unget_buffer[(stream)->unget_buffer_ind++] = \ | |
| 369 (unsigned char) (c)))) | |
| 370 | |
| 371 #define Lstream_data(stream) ((void *) ((stream)->data)) | |
| 372 #define Lstream_byte_count(stream) ((stream)->byte_count) | |
| 373 | |
| 374 | |
| 375 /************************************************************************/ | |
| 867 | 376 /* working with an Lstream as a stream of Ichars */ |
| 428 | 377 /************************************************************************/ |
| 378 | |
| 379 #ifdef MULE | |
| 380 | |
| 826 | 381 DECLARE_INLINE_HEADER ( |
| 867 | 382 Ichar |
| 383 Lstream_get_ichar (Lstream *stream) | |
| 826 | 384 ) |
| 428 | 385 { |
| 386 int c = Lstream_getc (stream); | |
| 826 | 387 return (c < 0x80 /* c == EOF || byte_ascii_p (c) */ |
| 867 | 388 ? (Ichar) c |
| 389 : Lstream_get_ichar_1 (stream, c)); | |
| 428 | 390 } |
| 391 | |
| 867 | 392 /* Write an Ichar to a stream. Return value is 0 for success, -1 for |
| 771 | 393 failure. */ |
| 394 | |
| 826 | 395 DECLARE_INLINE_HEADER ( |
| 396 int | |
| 867 | 397 Lstream_put_ichar (Lstream *stream, Ichar ch) |
| 826 | 398 ) |
| 428 | 399 { |
| 867 | 400 return ichar_ascii_p (ch) ? |
| 428 | 401 Lstream_putc (stream, ch) : |
| 867 | 402 Lstream_fput_ichar (stream, ch); |
| 428 | 403 } |
| 404 | |
| 826 | 405 DECLARE_INLINE_HEADER ( |
| 406 void | |
| 867 | 407 Lstream_unget_ichar (Lstream *stream, Ichar ch) |
| 826 | 408 ) |
| 428 | 409 { |
| 867 | 410 if (ichar_ascii_p (ch)) |
| 428 | 411 Lstream_ungetc (stream, ch); |
| 412 else | |
| 867 | 413 Lstream_funget_ichar (stream, ch); |
| 428 | 414 } |
| 415 #else /* not MULE */ | |
| 416 | |
| 867 | 417 # define Lstream_get_ichar(stream) Lstream_getc (stream) |
| 418 # define Lstream_put_ichar(stream, ch) Lstream_putc (stream, ch) | |
| 419 # define Lstream_unget_ichar(stream, ch) Lstream_ungetc (stream, ch) | |
| 428 | 420 |
| 421 #endif /* not MULE */ | |
| 422 | |
| 423 | |
| 424 /************************************************************************/ | |
| 425 /* Lstream implementations */ | |
| 426 /************************************************************************/ | |
| 427 | |
| 428 /* Flags we can pass to the filedesc and stdio streams. */ | |
| 429 | |
| 430 /* If set, close the descriptor or FILE * when the stream is closed. */ | |
| 431 #define LSTR_CLOSING 1 | |
| 432 | |
| 433 /* If set, allow quitting out of the actual I/O. */ | |
| 434 #define LSTR_ALLOW_QUIT 2 | |
| 435 | |
| 436 /* If set and filedesc_stream_set_pty_flushing() has been called | |
| 437 on the stream, do not send more than pty_max_bytes on a single | |
| 438 line without flushing the data out using the eof_char. */ | |
| 439 #define LSTR_PTY_FLUSHING 4 | |
| 440 | |
| 441 /* If set, an EWOULDBLOCK error is not treated as an error but | |
| 442 simply causes the write function to return 0 as the number | |
| 443 of bytes written out. */ | |
| 444 #define LSTR_BLOCKED_OK 8 | |
| 445 | |
| 446 Lisp_Object make_stdio_input_stream (FILE *stream, int flags); | |
| 447 Lisp_Object make_stdio_output_stream (FILE *stream, int flags); | |
| 448 Lisp_Object make_filedesc_input_stream (int filedesc, int offset, int count, | |
| 449 int flags); | |
| 450 Lisp_Object make_filedesc_output_stream (int filedesc, int offset, int count, | |
| 451 int flags); | |
| 452 void filedesc_stream_set_pty_flushing (Lstream *stream, | |
| 453 int pty_max_bytes, | |
| 867 | 454 Ibyte eof_char); |
| 428 | 455 int filedesc_stream_fd (Lstream *stream); |
| 456 Lisp_Object make_lisp_string_input_stream (Lisp_Object string, | |
| 457 Bytecount offset, | |
| 458 Bytecount len); | |
| 462 | 459 Lisp_Object make_fixed_buffer_input_stream (const void *buf, |
| 665 | 460 Bytecount size); |
| 462 | 461 Lisp_Object make_fixed_buffer_output_stream (void *buf, |
| 665 | 462 Bytecount size); |
| 442 | 463 const unsigned char *fixed_buffer_input_stream_ptr (Lstream *stream); |
| 428 | 464 unsigned char *fixed_buffer_output_stream_ptr (Lstream *stream); |
| 465 Lisp_Object make_resizing_buffer_output_stream (void); | |
| 466 unsigned char *resizing_buffer_stream_ptr (Lstream *stream); | |
| 788 | 467 Lisp_Object resizing_buffer_to_lisp_string (Lstream *stream); |
| 428 | 468 Lisp_Object make_dynarr_output_stream (unsigned_char_dynarr *dyn); |
| 469 #define LSTR_SELECTIVE 1 | |
| 470 #define LSTR_IGNORE_ACCESSIBLE 2 | |
| 665 | 471 Lisp_Object make_lisp_buffer_input_stream (struct buffer *buf, Charbpos start, |
| 472 Charbpos end, int flags); | |
| 473 Lisp_Object make_lisp_buffer_output_stream (struct buffer *buf, Charbpos pos, | |
| 428 | 474 int flags); |
| 665 | 475 Charbpos lisp_buffer_stream_startpos (Lstream *stream); |
| 428 | 476 |
| 440 | 477 #endif /* INCLUDED_lstream_h_ */ |