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[Emacs-diffs] Changes to emacs/src/disptab.h [emacs-unicode-2]


From: Kenichi Handa
Subject: [Emacs-diffs] Changes to emacs/src/disptab.h [emacs-unicode-2]
Date: Mon, 08 Sep 2003 08:48:48 -0400

Index: emacs/src/disptab.h
diff -c /dev/null emacs/src/disptab.h:1.17.6.1
*** /dev/null   Mon Sep  8 08:48:48 2003
--- emacs/src/disptab.h Mon Sep  8 08:48:10 2003
***************
*** 0 ****
--- 1,107 ----
+ /* Things for GLYPHS and glyph tables.
+    Copyright (C) 1993 Free Software Foundation, Inc.
+ 
+ This file is part of GNU Emacs.
+ 
+ GNU Emacs is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2, or (at your option)
+ any later version.
+ 
+ GNU Emacs is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ GNU General Public License for more details.
+ 
+ You should have received a copy of the GNU General Public License
+ along with GNU Emacs; see the file COPYING.  If not, write to
+ the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA.  */
+ 
+ /* Access the slots of a display-table, according to their purpose.  */
+ 
+ #define DISP_TABLE_P(obj)                                                 \
+   (CHAR_TABLE_P (obj)                                                     \
+    && EQ (XCHAR_TABLE (obj)->purpose, Qdisplay_table)                     \
+    && CHAR_TABLE_EXTRA_SLOTS (XCHAR_TABLE (obj)) == DISP_TABLE_EXTRA_SLOTS)
+ 
+ #define DISP_TABLE_EXTRA_SLOTS 6
+ #define DISP_TRUNC_GLYPH(dp) ((dp)->extras[0])
+ #define DISP_CONTINUE_GLYPH(dp) ((dp)->extras[1])
+ #define DISP_ESCAPE_GLYPH(dp) ((dp)->extras[2])
+ #define DISP_CTRL_GLYPH(dp) ((dp)->extras[3])
+ #define DISP_INVIS_VECTOR(dp) ((dp)->extras[4])
+ #define DISP_BORDER_GLYPH(dp) ((dp)->extras[5])
+ 
+ extern Lisp_Object disp_char_vector P_ ((struct Lisp_Char_Table *, int));
+ 
+ #define DISP_CHAR_VECTOR(dp, c)                               \
+   (ASCII_CHAR_P(c)                                    \
+    ? (NILP ((dp)->ascii)                              \
+       ? (dp)->defalt                                  \
+       : (SUB_CHAR_TABLE_P ((dp)->ascii)                       \
+        ? XSUB_CHAR_TABLE ((dp)->ascii)->contents[c]   \
+        : (dp)->ascii))                                \
+    : disp_char_vector ((dp), (c)))
+ 
+ /* Defined in window.c.  */
+ extern struct Lisp_Char_Table *window_display_table P_ ((struct window *));
+ 
+ /* Defined in indent.c.  */
+ extern struct Lisp_Char_Table *buffer_display_table P_ ((void));
+ 
+ /* Display table to use for vectors that don't specify their own.  */
+ extern Lisp_Object Vstandard_display_table;
+ 
+ /* This is the `purpose' slot of a display table.  */
+ extern Lisp_Object Qdisplay_table;
+ 
+ /* Vector of GLYPH definitions.  Indexed by GLYPH number,
+    the contents are a string which is how to output the GLYPH.  */
+ extern Lisp_Object Vglyph_table;
+ 
+ /* Return the current length of the GLYPH table,
+    or 0 if the table isn't currently valid.  */
+ #define GLYPH_TABLE_LENGTH  \
+   ((VECTORP (Vglyph_table)) ? XVECTOR (Vglyph_table)->size : 0)
+ 
+ /* Return the current base (for indexing) of the GLYPH table,
+    or 0 if the table isn't currently valid.  */
+ #define GLYPH_TABLE_BASE  \
+   ((VECTORP (Vglyph_table)) ? XVECTOR (Vglyph_table)->contents : 0)
+ 
+ /* Given BASE and LEN returned by the two previous macros,
+    return nonzero if the GLYPH code G should be output as a single
+    character with code G.  Return zero if G has a string in the table.  */
+ #define GLYPH_SIMPLE_P(base,len,g) ((g) >= (len) || !STRINGP (base[g]))
+ 
+ /* Given BASE and LEN returned by the two previous macros,
+    return nonzero if GLYPH code G is aliased to a different code.  */
+ #define GLYPH_ALIAS_P(base,len,g) ((g) < (len) && INTEGERP (base[g]))
+ 
+ /* Assuming that GLYPH_SIMPLE_P (BASE, LEN, G) is 1,
+    return the alias for G.  */
+ #define GLYPH_ALIAS(base, g) XINT (base[g])
+ 
+ /* Follow all aliases for G in the glyph table given by (BASE,
+    LENGTH), and set G to the final glyph.  */
+ #define GLYPH_FOLLOW_ALIASES(base, length, g)         \
+   do {                                                        \
+     while (GLYPH_ALIAS_P ((base), (length), (g)))     \
+       (g) = GLYPH_ALIAS ((base), (g));                        \
+     if (!GLYPH_CHAR_VALID_P (FAST_GLYPH_CHAR (g)))    \
+       g = FAST_MAKE_GLYPH (' ', FAST_GLYPH_FACE (g)); \
+   } while (0)
+ 
+ /* Assuming that GLYPH_SIMPLE_P (BASE, LEN, G) is 0,
+    return the length and the address of the character-sequence
+    used for outputting GLYPH G.  */
+ #define GLYPH_LENGTH(base,g)   SCHARS (base[g])
+ #define GLYPH_STRING(base,g)   SDATA (base[g])
+ 
+ /* GLYPH for a space character.  */
+ 
+ #define SPACEGLYPH 040
+ #define NULL_GLYPH 00
+ 
+ #define GLYPH_FROM_CHAR(c) (c)




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