annotate src/bufslots.h @ 826:6728e641994e

[xemacs-hg @ 2002-05-05 11:30:15 by ben] syntax cache, 8-bit-format, lots of code cleanup README.packages: Update info about --package-path. i.c: Create an inheritable event and pass it on to XEmacs, so that ^C can be handled properly. Intercept ^C and signal the event. "Stop Build" in VC++ now works. bytecomp-runtime.el: Doc string changes. compat.el: Some attempts to redo this to make it truly useful and fix the "multiple versions interacting with each other" problem. Not yet done. Currently doesn't work. files.el: Use with-obsolete-variable to avoid warnings in new revert-buffer code. xemacs.mak: Split up CFLAGS into a version without flags specifying the C library. The problem seems to be that minitar depends on zlib, which depends specifically on libc.lib, not on any of the other C libraries. Unless you compile with libc.lib, you get errors -- specifically, no _errno in the other libraries, which must make it something other than an int. (#### But this doesn't seem to obtain in XEmacs, which also uses zlib, and can be linked with any of the C libraries. Maybe zlib is used differently and doesn't need errno, or maybe XEmacs provides an int errno; ... I don't understand. Makefile.in.in: Fix so that packages are around when testing. abbrev.c, alloc.c, buffer.c, buffer.h, bytecode.c, callint.c, casefiddle.c, casetab.c, casetab.h, charset.h, chartab.c, chartab.h, cmds.c, console-msw.h, console-stream.c, console-x.c, console.c, console.h, data.c, device-msw.c, device.c, device.h, dialog-msw.c, dialog-x.c, dired-msw.c, dired.c, doc.c, doprnt.c, dumper.c, editfns.c, elhash.c, emacs.c, eval.c, event-Xt.c, event-gtk.c, event-msw.c, event-stream.c, events.c, events.h, extents.c, extents.h, faces.c, file-coding.c, file-coding.h, fileio.c, fns.c, font-lock.c, frame-gtk.c, frame-msw.c, frame-x.c, frame.c, frame.h, glade.c, glyphs-gtk.c, glyphs-msw.c, glyphs-msw.h, glyphs-x.c, glyphs.c, glyphs.h, gui-msw.c, gui-x.c, gui.h, gutter.h, hash.h, indent.c, insdel.c, intl-win32.c, intl.c, keymap.c, lisp-disunion.h, lisp-union.h, lisp.h, lread.c, lrecord.h, lstream.c, lstream.h, marker.c, menubar-gtk.c, menubar-msw.c, menubar-x.c, menubar.c, minibuf.c, mule-ccl.c, mule-charset.c, mule-coding.c, mule-wnnfns.c, nas.c, objects-msw.c, objects-x.c, opaque.c, postgresql.c, print.c, process-nt.c, process-unix.c, process.c, process.h, profile.c, rangetab.c, redisplay-gtk.c, redisplay-msw.c, redisplay-output.c, redisplay-x.c, redisplay.c, redisplay.h, regex.c, regex.h, scrollbar-msw.c, search.c, select-x.c, specifier.c, specifier.h, symbols.c, symsinit.h, syntax.c, syntax.h, syswindows.h, tests.c, text.c, text.h, tooltalk.c, ui-byhand.c, ui-gtk.c, unicode.c, win32.c, window.c: Another big Ben patch. -- FUNCTIONALITY CHANGES: add partial support for 8-bit-fixed, 16-bit-fixed, and 32-bit-fixed formats. not quite done yet. (in particular, needs functions to actually convert the buffer.) NOTE: lots of changes to regex.c here. also, many new *_fmt() inline funs that take an Internal_Format argument. redo syntax cache code. make the cache per-buffer; keep the cache valid across calls to functions that use it. also keep it valid across insertions/deletions and extent changes, as much as is possible. eliminate the junky regex-reentrancy code by passing in the relevant lisp info to the regex routines as local vars. add general mechanism in extents code for signalling extent changes. fix numerous problems with the case-table implementation; yoshiki never properly transferred many algorithms from old-style to new-style case tables. redo char tables to support a default argument, so that mapping only occurs over changed args. change many chartab functions to accept Lisp_Object instead of Lisp_Char_Table *. comment out the code in font-lock.c by default, because font-lock.el no longer uses it. we should consider eliminating it entirely. Don't output bell as ^G in console-stream when not a TTY. add -mswindows-termination-handle to interface with i.c, so we can properly kill a build. add more error-checking to buffer/string macros. add some additional buffer_or_string_() funs. -- INTERFACE CHANGES AFFECTING MORE CODE: switch the arguments of write_c_string and friends to be consistent with write_fmt_string, which must have printcharfun first. change BI_* macros to BYTE_* for increased clarity; similarly for bi_* local vars. change VOID_TO_LISP to be a one-argument function. eliminate no-longer-needed CVOID_TO_LISP. -- char/string macro changes: rename MAKE_CHAR() to make_emchar() for slightly less confusion with make_char(). (The former generates an Emchar, the latter a Lisp object. Conceivably we should rename make_char() -> wrap_char() and similarly for make_int(), make_float().) Similar changes for other *CHAR* macros -- we now consistently use names with `emchar' whenever we are working with Emchars. Any remaining name with just `char' always refers to a Lisp object. rename macros with XSTRING_* to string_* except for those that reference actual fields in the Lisp_String object, following conventions used elsewhere. rename set_string_{data,length} macros (the only ones to work with a Lisp_String_* instead of a Lisp_Object) to set_lispstringp_* to make the difference clear. try to be consistent about caps vs. lowercase in macro/inline-fun names for chars and such, which wasn't the case before. we now reserve caps either for XFOO_ macros that reference object fields (e.g. XSTRING_DATA) or for things that have non-function semantics, e.g. directly modifying an arg (BREAKUP_EMCHAR) or evaluating an arg (any arg) more than once. otherwise, use lowercase. here is a summary of most of the macros/inline funs changed by all of the above changes: BYTE_*_P -> byte_*_p XSTRING_BYTE -> string_byte set_string_data/length -> set_lispstringp_data/length XSTRING_CHAR_LENGTH -> string_char_length XSTRING_CHAR -> string_emchar INTBYTE_FIRST_BYTE_P -> intbyte_first_byte_p INTBYTE_LEADING_BYTE_P -> intbyte_leading_byte_p charptr_copy_char -> charptr_copy_emchar LEADING_BYTE_* -> leading_byte_* CHAR_* -> EMCHAR_* *_CHAR_* -> *_EMCHAR_* *_CHAR -> *_EMCHAR CHARSET_BY_ -> charset_by_* BYTE_SHIFT_JIS* -> byte_shift_jis* BYTE_BIG5* -> byte_big5* REP_BYTES_BY_FIRST_BYTE -> rep_bytes_by_first_byte char_to_unicode -> emchar_to_unicode valid_char_p -> valid_emchar_p Change intbyte_strcmp -> qxestrcmp_c (duplicated functionality). -- INTERFACE CHANGES AFFECTING LESS CODE: use DECLARE_INLINE_HEADER in various places. remove '#ifdef emacs' from XEmacs-only files. eliminate CHAR_TABLE_VALUE(), which duplicated the functionality of get_char_table(). add BUFFER_TEXT_LOOP to simplify iterations over buffer text. define typedefs for signed and unsigned types of fixed sizes (INT_32_BIT, UINT_32_BIT, etc.). create ALIGN_FOR_TYPE as a higher-level interface onto ALIGN_SIZE; fix code to use it. add charptr_emchar_len to return the text length of the character pointed to by a ptr; use it in place of charcount_to_bytecount(..., 1). add emchar_len to return the text length of a given character. add types Bytexpos and Charxpos to generalize Bytebpos/Bytecount and Charbpos/Charcount, in code (particularly, the extents code and redisplay code) that works with either kind of index. rename redisplay struct params with names such as `charbpos' to e.g. `charpos' when they are e.g. a Charxpos, not a Charbpos. eliminate xxDEFUN in place of DEFUN; no longer necessary with changes awhile back to doc.c. split up big ugly combined list of EXFUNs in lisp.h on a file-by-file basis, since other prototypes are similarly split. rewrite some "*_UNSAFE" macros as inline funs and eliminate the _UNSAFE suffix. move most string code from lisp.h to text.h; the string code and text.h code is now intertwined in such a fashion that they need to be in the same place and partially interleaved. (you can't create forward references for inline funs) automated/lisp-tests.el, automated/symbol-tests.el, automated/test-harness.el: Fix test harness to output FAIL messages to stderr when in batch mode. Fix up some problems in lisp-tests/symbol-tests that were causing spurious failures.
author ben
date Sun, 05 May 2002 11:33:57 +0000
parents 943eaba38521
children e22b0213b713
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1 /* Definitions of marked slots in buffers
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2 Copyright (C) 1990, 1992, 1993 Free Software Foundation, Inc.
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3 Copyright (C) 2001 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: Mule 2.0, FSF 19.30. Split out of buffer.h. */
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23
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24 /* Authorship:
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25
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26 FSF: long ago (part of buffer.h).
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27 JWZ: separated out from buffer.h, early in Lemacs.
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28 XEmacs: a few other changes.
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29 */
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30
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31 /* We define the Lisp_Objects in the buffer structure in a separate file
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32 because there are numerous places we want to iterate over them, such
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33 as when defining them in the structure, initializing them, or marking
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34 them.
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35
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36 To use, define MARKED_SLOT before including this file. No need to
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37 undefine; that happens automatically. */
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38
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39 #ifndef BUFFER_SLOTS_FIRST_NAME
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40 #define BUFFER_SLOTS_FIRST_NAME name
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41 #endif
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42
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43 /* The name of this buffer. */
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44 MARKED_SLOT (name);
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45
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46 /* The name of the file visited in this buffer, or nil. */
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47 MARKED_SLOT (filename);
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48
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49 /* Dir for expanding relative file names. */
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50 MARKED_SLOT (directory);
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51
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52 /* True iff this buffer has been backed up (if you write to the
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53 visited file and it hasn't been backed up, then a backup will
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54 be made). */
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55 /* #### This isn't really used by the C code, so could be deleted. */
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56 MARKED_SLOT (backed_up);
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57
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58 /* Length of file when last read or saved.
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59 This is not in the struct buffer_text
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60 because it's not used in indirect buffers at all. */
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61 MARKED_SLOT (saved_size);
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62
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63 /* File name used for auto-saving this buffer.
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64 This is not in the struct buffer_text
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65 because it's not used in indirect buffers at all. */
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66 MARKED_SLOT (auto_save_file_name);
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67
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68 /* Non-nil if buffer read-only. */
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69 MARKED_SLOT (read_only);
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70
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71 /* "The mark". This is a marker which may
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72 point into this buffer or may point nowhere. */
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73 MARKED_SLOT (mark);
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74
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75 /* Alist of elements (SYMBOL . VALUE-IN-THIS-BUFFER)
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76 for all per-buffer variables of this buffer.
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77 Specifically, this lists those variables that have
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78 a buffer-local value in this buffer: i.e. those
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79 whose value does not shadow the default value.
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80 (Remember that for any particular variable created
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81 with `make-local-variable' or `make-variable-buffer-local',
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82 it will have a per-buffer value in some buffers and a
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83 default value in others.)
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84
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85 Variables declared in C with DEFVAR_BUFFER_LOCAL() (i.e.
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86 those stored in the struct buffer) are not listed here. */
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87 MARKED_SLOT (local_var_alist);
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88
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89 /* Symbol naming major mode (eg, lisp-mode). */
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90 MARKED_SLOT (major_mode);
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91
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92 /* Pretty name of major mode (eg, "Lisp"). */
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93 MARKED_SLOT (mode_name);
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94
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95 /* Modeline element that controls format of modeline. */
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96 MARKED_SLOT (modeline_format);
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97
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98 /* Keys that are bound local to this buffer. */
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99 MARKED_SLOT (keymap);
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100
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101 /* This buffer's local abbrev table. */
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102 MARKED_SLOT (abbrev_table);
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103 /* This buffer's syntax table. */
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104 MARKED_SLOT (syntax_table);
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105 /* Massaged values from the syntax table, for faster lookup. */
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106 MARKED_SLOT (mirror_syntax_table);
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107
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108 #ifdef MULE
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109 /* This buffer's category table. */
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110 MARKED_SLOT (category_table);
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111 #endif /* MULE */
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112 /* This buffer's coding system. */
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113 MARKED_SLOT (buffer_file_coding_system);
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114 /* Values of several buffer-local variables.
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115
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116 tab-width is buffer-local so that redisplay can find it
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117 in buffers that are not current */
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118 MARKED_SLOT (case_fold_search);
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119 MARKED_SLOT (tab_width);
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120 MARKED_SLOT (fill_column);
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121 MARKED_SLOT (left_margin);
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122
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123 /* Function to call when insert space past fill column. */
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124 MARKED_SLOT (auto_fill_function);
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125
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126 /* Case table for case-conversion in this buffer. */
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127 MARKED_SLOT (case_table);
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128 /* It contais following char-tables: */
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129 /* Char-table maps each char into its lower-case version. */
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130 /* Char-table mapping each char to its upper-case version. */
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131 /* Char-table for conversion for case-folding search. */
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132 /* Char-table of equivalences for case-folding search. */
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133
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134 /* #### This ought to be a specifier: */
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135 /* Non-nil means do not display continuation lines. */
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136 MARKED_SLOT (truncate_lines);
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137 /* #### This ought to be a specifier: */
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138 /* #### Better yet, it ought to be junked. It really sucks. */
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139 /* Non-nil means display ctl chars with uparrow. */
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140 MARKED_SLOT (ctl_arrow);
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141 /* #### This ought to be a specifier: */
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142 /* #### Better yet, it ought to be junked. It really sucks. */
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143 /* Non-nil means do selective display;
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144 see doc string in syms_of_buffer (buffer.c) for details. */
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145 MARKED_SLOT (selective_display);
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146 /* #### This ought to be a specifier: */
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147 /* #### Better yet, it ought to be junked. It really sucks. */
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148 /* Non-nil means show ... at end of line followed by invisible lines. */
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149 MARKED_SLOT (selective_display_ellipses);
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150 /* Alist of (FUNCTION . STRING) for each minor mode enabled in buffer. */
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151 /* Unused: MARKED_SLOT (minor_modes); */
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152 /* t if "self-insertion" should overwrite */
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153 MARKED_SLOT (overwrite_mode);
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154 /* non-nil means abbrev mode is on. Expand abbrevs automatically. */
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155 MARKED_SLOT (abbrev_mode);
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156
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157 /* No display table here. It's a specifier. */
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158 #if 0 /* FSFmacs */
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159 /* t means the mark and region are currently active. */
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160 MARKED_SLOT (mark_active);
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161 #endif
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162
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163 /* Changes in the buffer are recorded here for undo.
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164 t means don't record anything.
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165 This information belongs to the base buffer of an indirect buffer,
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166 But we can't store it in the struct buffer_text
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167 because local variables have to be right in the struct buffer.
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168 So we copy it around in set_buffer_internal. */
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169 MARKED_SLOT (undo_list);
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170
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171 /* FSFmacs has overlay stuff here. We have extent info elsewhere in the
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172 struct buffer. */
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173
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174 /* dedicated_frame in lisp */
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175
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176 /* Lisp of symbols naming the file format used for visited file. */
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177 MARKED_SLOT (file_format);
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178
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179 #ifdef REGION_CACHE_NEEDS_WORK
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180 /* True if the newline position cache and width run cache are
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181 enabled. See search.c and indent.c. */
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182 MARKED_SLOT (cache_long_line_scans);
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183
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184 /* If the width run cache is enabled, this table contains the
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185 character widths width_run_cache (see above) assumes. When we
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186 do a thorough redisplay, we compare this against the buffer's
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187 current display table to see whether the display table has
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188 affected the widths of any characters. If it has, we
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189 invalidate the width run cache, and re-initialize width_table. */
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190 MARKED_SLOT (width_table);
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191 #endif /* REGION_CACHE_NEEDS_WORK */
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192
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193 /* A redundant copy of text.pt, in the form of a marker. Every time one
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194 is updated, so is the other.
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195 */
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196 MARKED_SLOT (point_marker);
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197
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198 /* FSFmacs has pt_marker, begv_marker, zv_marker here, used for
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199 indirect buffers. We don't need them because we handle these
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200 values directly instead of playing games with markers. */
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201
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202 /* This holds the point value before the last scroll operation.
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203 Explicitly setting point sets this to nil. */
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204 MARKED_SLOT (point_before_scroll);
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205
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206 /* Truename of the visited file (via qxe_realpath()),
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207 or nil. */
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208 MARKED_SLOT (file_truename);
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209
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210 /* Invisibility spec of this buffer.
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211 t => any non-nil `invisible' property means invisible.
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212 A list => `invisible' property means invisible
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213 if it is memq in that list. */
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214 MARKED_SLOT (invisibility_spec);
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215
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216 /* The string generated by formatting the modeline in this buffer. */
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217 MARKED_SLOT (generated_modeline_string);
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218
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219 /* A hash table that maps from a "generic extent" (an extent in
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220 `modeline-format') into a buffer-specific extent. */
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221 MARKED_SLOT (modeline_extent_table);
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222
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223 #ifndef BUFFER_SLOTS_LAST_NAME
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224 #define BUFFER_SLOTS_LAST_NAME modeline_extent_table
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225 #endif
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226
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227 #undef MARKED_SLOT