/* Things for GLYPHS and glyph tables.
- Copyright (C) 1990 Free Software Foundation, Inc.
+ Copyright (C) 1993 Free Software Foundation, Inc.
This file is part of GNU Emacs.
/* Access the slots of a display-table, according to their purpose. */
-#define DISP_TABLE_SIZE 261
+#define DISP_TABLE_SIZE 262
#define DISP_TRUNC_GLYPH(dp) ((dp)->contents[256])
#define DISP_CONTINUE_GLYPH(dp) ((dp)->contents[257])
#define DISP_ESCAPE_GLYPH(dp) ((dp)->contents[258])
#define DISP_CTRL_GLYPH(dp) ((dp)->contents[259])
#define DISP_INVIS_VECTOR(dp) ((dp)->contents[260])
+#define DISP_BORDER_GLYPH(dp) ((dp)->contents[261])
#define DISP_CHAR_VECTOR(dp, c) ((dp)->contents[c])
+/* Defined in window.c. */
extern struct Lisp_Vector *window_display_table ();
+/* Defined in indent.c. */
+extern struct Lisp_Vector *buffer_display_table ();
+
/* Display table to use for vectors that don't specify their own. */
extern Lisp_Object Vstandard_display_table;
/* Return the current length of the GLYPH table,
or 0 if the table isn't currently valid. */
#define GLYPH_TABLE_LENGTH \
- ((XTYPE (Vglyph_table) == Lisp_Vector) \
- ? XVECTOR (Vglyph_table)->size : 0)
+ ((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 \
- ((XTYPE (Vglyph_table) == Lisp_Vector) \
- ? XVECTOR (Vglyph_table)->contents : 0)
+ ((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) || XTYPE (base[g]) != Lisp_String)
+#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) && XTYPE (base[g]) == Lisp_Int)
+#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) \
+ while (GLYPH_ALIAS_P ((base), (length), (g))) \
+ (g) = GLYPH_ALIAS ((base), (g));
+
/* 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. */