annotate src/opaque.c @ 4953:304aebb79cd3

function renamings to track names of char typedefs -------------------- ChangeLog entries follow: -------------------- man/ChangeLog addition: 2010-01-27 Ben Wing <ben@xemacs.org> * internals/internals.texi (lrecords): * internals/internals.texi (The DFC API): * internals/internals.texi (Conversion to and from External Data): * internals/internals.texi (Mule-izing Code): * internals/internals.texi (Pervasive changes throughout XEmacs sources): * internals/internals.texi (Ben's README): * internals/internals.texi (Future Work -- Localized Text/Messages): * emodules.texi (Defining Variables): Rename: write_c_string -> write_cistring build_intstring -> build_istring build_string -> build_cistring build_ext_string -> build_extstring make_ext_string -> make_extstring buffer_insert_c_string -> buffer_insert_ascstring intern_int -> intern_istring See comment in src/ChangeLog about this. modules/ChangeLog addition: 2010-01-27 Ben Wing <ben@xemacs.org> * postgresql/postgresql.c (print_pgconn): * postgresql/postgresql.c (print_pgresult): * postgresql/postgresql.c (Fpq_conn_defaults): * postgresql/postgresql.c (Fpq_pgconn): * postgresql/postgresql.c (Fpq_res_status): * postgresql/postgresql.c (Fpq_result_error_message): * postgresql/postgresql.c (Fpq_fname): * postgresql/postgresql.c (Fpq_get_value): * postgresql/postgresql.c (Fpq_cmd_status): * postgresql/postgresql.c (Fpq_cmd_tuples): * postgresql/postgresql.c (Fpq_notifies): * postgresql/postgresql.c (Fpq_get_line): * postgresql/postgresql.c (Fpq_get_line_async): * postgresql/postgresql.c (FROB): * postgresql/postgresql.c (init_postgresql_from_environment): * ldap/eldap.c: * ldap/eldap.c (Fldap_open): * ldap/eldap.c (Fldap_search_basic): * canna/canna_api.c: * canna/canna_api.c (make_euc_string): Rename: write_c_string -> write_cistring build_intstring -> build_istring build_string -> build_cistring build_ext_string -> build_extstring make_ext_string -> make_extstring buffer_insert_c_string -> buffer_insert_ascstring intern_int -> intern_istring See comment in src/ChangeLog about this. src/ChangeLog addition: 2010-01-27 Ben Wing <ben@xemacs.org> * .gdbinit.in.in: * README: * abbrev.c (write_abbrev): * abbrev.c (describe_abbrev): * alloc.c (make_extstring): * alloc.c (build_istring): * alloc.c (build_cistring): * alloc.c (build_ascstring): * alloc.c (build_extstring): * alloc.c (build_msg_istring): * alloc.c (build_defer_istring): * buffer.c (Fgenerate_new_buffer_name): * buffer.c (init_buffer_2): * console-tty.c (tty_init_console): * console-x.c (get_display_arg_connection): * console-x.c (x_perhaps_init_unseen_key_defaults): * database.c (dbm_map): * database.c (dbm_get): * database.c (berkdb_get): * database.c (berkdb_map): * device-gtk.c (FROB_PIXMAP): * device-gtk.c (Fgtk_style_info): * device-msw.c (msprinter_default_printer): * device-msw.c (sync_printer_with_devmode): * device-x.c (coding_system_of_xrm_database): * device-x.c (x_init_device): * device-x.c (signal_if_x_error): * device-x.c (Fx_get_resource): * device-x.c (Fx_server_vendor): * device-x.c (Fx_get_font_path): * dialog-x.c (maybe_run_dbox_text_callback): * doc.c (extract_object_file_name): * doc.c (unparesseuxify_doc_string): * doc.c (get_doc_string): * doc.c (get_object_file_name): * doc.c (Fdocumentation): * doc.c (Fsnarf_documentation): * doc.c (Fsubstitute_command_keys): * editfns.c (init_editfns): * editfns.c (Ftemp_directory): * editfns.c (Fuser_login_name): * editfns.c (Fuser_real_login_name): * editfns.c (Fuser_home_directory): * editfns.c (Fformat_time_string): * editfns.c (Fcurrent_time_string): * editfns.c (Fcurrent_time_zone): * emacs.c: * emacs.c (main_1): * emodules.c (Flist_modules): * emodules.c (emodules_load): * emodules.c (emodules_doc_sym): * emodules.c (vars_of_module): * event-Xt.c (x_has_keysym): * event-gtk.c (emacs_gtk_format_magic_event): * event-gtk.c (dragndrop_data_received): * event-gtk.c (gtk_reset_key_mapping): * event-msw.c (mswindows_dde_callback): * event-msw.c (mswindows_wnd_proc): * faces.c (complex_vars_of_faces): * file-coding.c (find_coding_system): * file-coding.c (setup_eol_coding_systems): * file-coding.c (make_coding_system_1): * file-coding.c (snarf_coding_system): * fileio.c: * fileio.c (lisp_strerror): * fileio.c (Ffile_name_directory): * fileio.c (Ffile_name_as_directory): * fileio.c (Fdirectory_file_name): * fileio.c (if): * fileio.c (Ffile_symlink_p): * fileio.c (Fencrypt_string): * fileio.c (Fdecrypt_string): * filelock.c (lock_file): * filelock.c (Ffile_locked_p): * floatfns.c (matherr): * font-mgr.c (build_fcapi_string): * font-mgr.c (make_xlfd_font_regexp): * frame-msw.c (mswindows_window_id): * frame-msw.c (mswindows_frame_property): * frame-x.c: * frame-x.c (color_to_string): * frame-x.c (maybe_set_frame_title_format): * frame-x.c (x_cde_transfer_callback): * frame-x.c (Fx_window_id): * glade.c (connector): * glade.c (Fglade_xml_textdomain): * glade.c (syms_of_glade): * glyphs-eimage.c (jpeg_instantiate): * glyphs-eimage.c (png_instantiate): * glyphs-eimage.c (tiff_instantiate): * glyphs-gtk.c (font_instantiate): * glyphs-gtk.c (BUILD_GLYPH_INST): * glyphs-x.c (x_locate_pixmap_file): * glyphs-x.c (font_instantiate): * glyphs-x.c (x_widget_property): * glyphs-x.c (BUILD_GLYPH_INST): * glyphs.c (print_image_instance): * glyphs.c (bitmap_to_lisp_data): * glyphs.c (pixmap_to_lisp_data): * gpmevent.c (turn_off_gpm): * gpmevent.c (Fgpm_enabled_p): * gpmevent.c (Fgpm_enable): * gtk-glue.c (__make_string_mapper): * gtk-glue.c (xemacs_gtklist_to_list): * gtk-xemacs.c (FROB_FACE): * gtk-xemacs.c (xemacs_gtk_convert_color): * hpplay.c (player_error_internal): * hpplay.c (myHandler): * insdel.c (buffer_insert_ascstring_1): * insdel.h: * insdel.h (buffer_insert_ascstring): * intl.c (Fcurrent_locale): * intl.c (Fset_current_locale): * keymap.c (make_key_description): * keymap.c (Ftext_char_description): * keymap.c (describe_command): * keymap.c (describe_map): * lisp.h: * lread.c: * lread.c (locate_file_in_directory_mapper): * lread.c (locate_file_construct_suffixed_files_mapper): * mule-charset.c (Fmake_charset): * nt.c (Fmswindows_short_file_name): * nt.c (Fmswindows_long_file_name): * objects-gtk.c (__get_gtk_font_truename): * objects-gtk.c (__gtk_font_list_internal): * objects-msw.c (font_enum_callback_2): * objects-msw.c (create_hfont_from_font_spec): * objects-msw.c (mswindows_font_list): * objects-msw.c (mswindows_font_spec_matches_charset_stage_2): * objects-tty.c (tty_initialize_font_instance): * objects-x.c (x_font_truename): * objects-x.c (x_font_instance_truename): * objects-x.c (x_font_instance_properties): * objects-x.c (x_font_list): * print.c (write_cistring): * print.c (print_vector_internal): * print.c (print_cons): * process-nt.c (nt_canonicalize_host_name): * process-unix.c (unix_create_process): * process-unix.c (unix_canonicalize_host_name): * process.c (status_message): * process.c (status_notify): * process.c (init_xemacs_process): * process.c (syms_of_process): * redisplay-tty.c (term_get_fkeys_1): * redisplay-tty.c (CONDITIONAL_REASSIGN): * search.c (compile_pattern_1): * select-common.h (selection_data_to_lisp_data): * select-gtk.c (atom_to_symbol): * select-gtk.c (PROCESSING_GTK_CODE): * select-msw.c (mswindows_get_foreign_selection): * select-x.c (x_atom_to_symbol): * select-x.c (Fx_get_cutbuffer_internal): * symbols.c (intern_istring): * symbols.c (intern): * symbols.c (intern_converting_underscores_to_dashes): * symbols.c (Fintern): * sysdep.c (init_system_name): * sysdll.c (dll_error): * sysdll.c (dll_open): * syswindows.h: * syswindows.h (build_tstr_string): * tests.c (DFC_CHECK_LENGTH): * tests.c (DFC_CHECK_CONTENT): * tests.c (DFC_RESULT_PASS): * tests.c (Ftest_data_format_conversion): * text.c: * text.c (new_dfc_convert_now_damn_it): * text.h: * text.h (build_wext_string): * tooltalk.c (tt_build_c_string): * tooltalk.c (Ftooltalk_default_procid): * tooltalk.c (Ftooltalk_default_session): * tooltalk.c (init_tooltalk): * ui-byhand.c (Fgtk_clist_get_text): * ui-byhand.c (Fgtk_clist_get_pixtext): * ui-byhand.c (Fgtk_label_get): * ui-byhand.c (Fgtk_notebook_query_tab_label_packing): * ui-gtk.c (emacs_gtk_object_printer): * ui-gtk.c (emacs_gtk_boxed_printer): * ui-gtk.c (gtk_type_to_lisp): * ui-gtk.c (symbol_to_enum): * ui-gtk.c (enum_to_symbol): * unexaix.c (report_error): * unexaix.c (ERROR0): * unexec.c (report_error): * unexec.c (ERROR0): * unicode.c (unicode_to_ichar): * win32.c (tstr_to_local_file_format): * win32.c (Fmswindows_cygwin_to_win32_path): * win32.c (struct read_link_hash): * xemacs.def.in.in: Rename: write_c_string -> write_cistring build_intstring -> build_istring build_string -> build_cistring build_ext_string -> build_extstring make_ext_string -> make_extstring buffer_insert_c_string -> buffer_insert_ascstring intern_int -> intern_istring These functions have been renamed so that the naming harmonizes with the typedefs for strings: `cistring' along with CIbyte *, `istring' along with Ibyte *, `extstring' along with Extbyte *, `ascstring' along with Ascbyte *. Also make buffer_insert_ascstring take Ascbyte * and assert that its argument is ASCII.
author Ben Wing <ben@xemacs.org>
date Wed, 27 Jan 2010 00:35:36 -0600
parents d674024a8674
children 6ef8256a020a e0db3c197671
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1 /* Opaque Lisp objects.
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2 Copyright (C) 1993, 1994, 1995 Sun Microsystems, Inc.
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3 Copyright (C) 1995, 1996, 2002 Ben Wing.
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4
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5 This file is part of XEmacs.
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6
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7 XEmacs is free software; you can redistribute it and/or modify it
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8 under the terms of the GNU General Public License as published by the
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9 Free Software Foundation; either version 2, or (at your option) any
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10 later version.
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11
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12 XEmacs is distributed in the hope that it will be useful, but WITHOUT
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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15 for more details.
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16
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17 You should have received a copy of the GNU General Public License
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18 along with XEmacs; see the file COPYING. If not, write to
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19 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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20 Boston, MA 02111-1307, USA. */
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21
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22 /* Synched up with: Not in FSF. */
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23
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24 /* Written by Ben Wing, October 1993. */
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25
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26 /* "Opaque" is used internally to hold keep track of allocated memory
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27 so it gets GC'd properly, and to store arbitrary data in places
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28 where a Lisp_Object is required and which may get GC'd. (e.g. as
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29 the argument to record_unwind_protect()). Once created in C,
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30 opaque objects cannot be resized.
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31
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32 OPAQUE OBJECTS SHOULD NEVER ESCAPE TO THE LISP LEVEL. Some code
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33 depends on this. As such, opaque objects are a generalization
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34 of the Qunbound marker.
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35 */
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36
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37 #include <config.h>
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38 #include "lisp.h"
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39 #include "opaque.h"
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40
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41 #ifndef NEW_GC
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42 Lisp_Object Vopaque_ptr_free_list;
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43 #endif /* not NEW_GC */
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44
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45 /* Should never, ever be called. (except by an external debugger) */
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46 static void
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47 print_opaque (Lisp_Object obj, Lisp_Object printcharfun,
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48 int UNUSED (escapeflag))
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49 {
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50 const Lisp_Opaque *p = XOPAQUE (obj);
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51
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52 write_fmt_string
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53 (printcharfun,
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54 "#<INTERNAL OBJECT (XEmacs bug?) (opaque, size=%lu) 0x%lx>",
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55 (long)(p->size), (unsigned long) p);
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56 }
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57
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58 inline static Bytecount
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59 aligned_sizeof_opaque (Bytecount opaque_size)
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60 {
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61 return MAX_ALIGN_SIZE (offsetof (Lisp_Opaque, data) + opaque_size);
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62 }
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63
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64 static Bytecount
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65 sizeof_opaque (const void *header)
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66 {
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67 return aligned_sizeof_opaque (((const Lisp_Opaque *) header)->size);
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68 }
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70 /* Return an opaque object of size SIZE.
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71 If DATA is OPAQUE_CLEAR, the object's data is memset to '\0' bytes.
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72 If DATA is OPAQUE_UNINIT, the object's data is uninitialized.
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73 Else the object's data is initialized by copying from DATA. */
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74 Lisp_Object
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75 make_opaque (const void *data, Bytecount size)
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76 {
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77 Lisp_Opaque *p = (Lisp_Opaque *)
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78 BASIC_ALLOC_LCRECORD (aligned_sizeof_opaque (size), &lrecord_opaque);
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79 p->size = size;
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81 if (data == OPAQUE_CLEAR)
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82 memset (p->data, '\0', size);
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83 else if (data == OPAQUE_UNINIT)
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84 DO_NOTHING;
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85 else
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86 memcpy (p->data, data, size);
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87
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88 {
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89 return wrap_opaque (p);
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90 }
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91 }
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92
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93 /* This will not work correctly for opaques with subobjects! */
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94
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95 static int
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96 equal_opaque (Lisp_Object obj1, Lisp_Object obj2, int UNUSED (depth))
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97 {
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98 Bytecount size;
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99 return ((size = XOPAQUE_SIZE (obj1)) == XOPAQUE_SIZE (obj2) &&
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100 !memcmp (XOPAQUE_DATA (obj1), XOPAQUE_DATA (obj2), size));
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101 }
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102
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103 /* This will not work correctly for opaques with subobjects! */
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104
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105 static Hashcode
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106 hash_opaque (Lisp_Object obj, int UNUSED (depth))
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107 {
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108 if (XOPAQUE_SIZE (obj) == sizeof (unsigned long))
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109 return *((Hashcode *) XOPAQUE_DATA (obj));
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110 else
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111 return memory_hash (XOPAQUE_DATA (obj), XOPAQUE_SIZE (obj));
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112 }
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113
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114 static const struct memory_description opaque_description[] = {
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115 { XD_END }
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116 };
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117
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118 DEFINE_LRECORD_SEQUENCE_IMPLEMENTATION ("opaque", opaque,
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119 1, /*dumpable-flag*/
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120 0, print_opaque, 0,
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121 equal_opaque, hash_opaque,
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122 opaque_description,
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123 sizeof_opaque, Lisp_Opaque);
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124
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125 /* stuff to handle opaque pointers */
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126
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127 /* Should never, ever be called. (except by an external debugger) */
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128 static void
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129 print_opaque_ptr (Lisp_Object obj, Lisp_Object printcharfun,
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130 int UNUSED (escapeflag))
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131 {
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132 const Lisp_Opaque_Ptr *p = XOPAQUE_PTR (obj);
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133
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134 write_fmt_string
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135 (printcharfun,
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136 "#<INTERNAL OBJECT (XEmacs bug?) (opaque-ptr, adr=0x%lx) 0x%lx>",
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137 (long)(p->ptr), (unsigned long) p);
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138 }
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139
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140 static int
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141 equal_opaque_ptr (Lisp_Object obj1, Lisp_Object obj2, int UNUSED (depth))
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142 {
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143 return (XOPAQUE_PTR (obj1)->ptr == XOPAQUE_PTR (obj2)->ptr);
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144 }
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145
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146 static Hashcode
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147 hash_opaque_ptr (Lisp_Object obj, int UNUSED (depth))
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148 {
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149 return (Hashcode) XOPAQUE_PTR (obj)->ptr;
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150 }
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151
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152 static const struct memory_description opaque_ptr_description[] = {
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153 { XD_END }
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154 };
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155
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156 DEFINE_LRECORD_IMPLEMENTATION ("opaque-ptr", opaque_ptr,
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157 0, /*dumpable-flag*/
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158 0, print_opaque_ptr, 0,
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159 equal_opaque_ptr, hash_opaque_ptr,
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160 opaque_ptr_description, Lisp_Opaque_Ptr);
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161
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162 Lisp_Object
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163 make_opaque_ptr (void *val)
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164 {
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165 #ifdef NEW_GC
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166 Lisp_Object res =
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167 wrap_pointer_1 (alloc_lrecord_type (Lisp_Opaque_Ptr,
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168 &lrecord_opaque_ptr));
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169 #else /* not NEW_GC */
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170 Lisp_Object res = alloc_managed_lcrecord (Vopaque_ptr_free_list);
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171 #endif /* not NEW_GC */
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172 set_opaque_ptr (res, val);
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173 return res;
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174 }
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175
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176 /* Be very very careful with this. Same admonitions as with
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177 free_cons() apply. */
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178
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179 void
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180 free_opaque_ptr (Lisp_Object ptr)
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181 {
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182 #ifdef NEW_GC
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183 free_lrecord (ptr);
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184 #else /* not NEW_GC */
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185 free_managed_lcrecord (Vopaque_ptr_free_list, ptr);
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186 #endif /* not NEW_GC */
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187 }
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188
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189 #ifndef NEW_GC
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190 void
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191 reinit_opaque_early (void)
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192 {
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193 Vopaque_ptr_free_list = make_lcrecord_list (sizeof (Lisp_Opaque_Ptr),
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194 &lrecord_opaque_ptr);
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195 staticpro_nodump (&Vopaque_ptr_free_list);
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196 }
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197 #endif /* not NEW_GC */
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198
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199 void
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200 init_opaque_once_early (void)
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201 {
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202 INIT_LRECORD_IMPLEMENTATION (opaque);
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203 INIT_LRECORD_IMPLEMENTATION (opaque_ptr);
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204
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205 #ifndef NEW_GC
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206 reinit_opaque_early ();
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207 #endif /* not NEW_GC */
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208 }