(STR) = empty_unibyte_string; \
else XSTRING (STR)->size_byte = -1; } while (0)
+/* Mark STR as a multibyte string. Assure that STR contains only
+ ASCII characters in advance. */
+#define STRING_SET_MULTIBYTE(STR) \
+ do { if (EQ (STR, empty_unibyte_string)) \
+ (STR) = empty_multibyte_string; \
+ else XSTRING (STR)->size_byte = XSTRING (STR)->size; } while (0)
+
/* Get text properties. */
#define STRING_INTERVALS(STR) (XSTRING (STR)->intervals + 0)
#define KEY_DESCRIPTION_SIZE ((2 * 6) + 1 + (CHARACTERBITS / 3) + 1 + 1)
\f
-/* The glyph datatype, used to represent characters on the display. */
-
-/* Glyph code to use as an index to the glyph table. If it is out of
- range for the glyph table, or the corresonding element in the table
- is nil, the low 8 bits are the single byte character code, and the
- bits above are the numeric face ID. If FID is the face ID of a
- glyph on a frame F, then F->display.x->faces[FID] contains the
- description of that face. This is an int instead of a short, so we
- can support a good bunch of face ID's (2^(31 - 8)); given that we
- have no mechanism for tossing unused frame face ID's yet, we'll
- probably run out of 255 pretty quickly.
- This is always -1 for a multibyte character. */
-#define GLYPH int
-
-/* Mask bits for face. */
-#define GLYPH_MASK_FACE 0x7FC00000
- /* Mask bits for character code. */
-#define GLYPH_MASK_CHAR 0x003FFFFF /* The lowest 22 bits */
-
-/* The FAST macros assume that we already know we're in an X window. */
-
-/* Set a character code and a face ID in a glyph G. */
-#define FAST_MAKE_GLYPH(char, face) ((char) | ((face) << CHARACTERBITS))
+/* The glyph datatype, used to represent characters on the display.
+ It consists of a char code and a face id. */
+
+typedef struct {
+ int ch;
+ int face_id;
+} GLYPH;
/* Return a glyph's character code. */
-#define FAST_GLYPH_CHAR(glyph) ((glyph) & GLYPH_MASK_CHAR)
+#define GLYPH_CHAR(glyph) ((glyph).ch)
/* Return a glyph's face ID. */
-#define FAST_GLYPH_FACE(glyph) (((glyph) & GLYPH_MASK_FACE) >> CHARACTERBITS)
+#define GLYPH_FACE(glyph) ((glyph).face_id)
-/* Slower versions that test the frame type first. */
-#define MAKE_GLYPH(f, char, face) (FAST_MAKE_GLYPH (char, face))
-#define GLYPH_CHAR(f, g) (FAST_GLYPH_CHAR (g))
-#define GLYPH_FACE(f, g) (FAST_GLYPH_FACE (g))
+#define SET_GLYPH_CHAR(glyph, char) ((glyph).ch = (char))
+#define SET_GLYPH_FACE(glyph, face) ((glyph).face_id = (face))
+#define SET_GLYPH(glyph, char, face) ((glyph).ch = (char), (glyph).face_id = (face))
/* Return 1 if GLYPH contains valid character code. */
-#define GLYPH_CHAR_VALID_P(glyph) CHAR_VALID_P (FAST_GLYPH_CHAR (glyph), 1)
+#define GLYPH_CHAR_VALID_P(glyph) CHAR_VALID_P (GLYPH_CHAR (glyph), 1)
+
+
+/* Glyph Code from a display vector may either be an integer which
+ encodes a char code in the lower CHARACTERBITS bits and a (very small)
+ face-id in the upper bits, or it may be a cons (CHAR . FACE-ID). */
+
+#define GLYPH_CODE_CHAR(gc) \
+ (CONSP (gc) ? XINT (XCAR (gc)) : INTEGERP (gc) ? (XINT (gc) & ((1 << CHARACTERBITS)-1)) : 0)
+
+#define GLYPH_CODE_FACE(gc) \
+ (CONSP (gc) ? XINT (XCDR (gc)) : INTEGERP (gc) ? (XINT (gc) >> CHARACTERBITS) : DEFAULT_FACE_ID)
+
+/* Return 1 if glyph code from display vector contains valid character code. */
+#define GLYPH_CODE_CHAR_VALID_P(gc) CHAR_VALID_P (GLYPH_CODE_CHAR (gc), 1)
+
+#define GLYPH_CODE_P(gc) ((CONSP (gc) && INTEGERP (XCAR (gc)) && INTEGERP (XCDR (gc))) || INTEGERP (gc))
+
+/* Only called when GLYPH_CODE_P (gc) is true. */
+#define SET_GLYPH_FROM_GLYPH_CODE(glyph, gc) \
+ do \
+ { \
+ if (CONSP (gc)) \
+ SET_GLYPH (glyph, XINT (XCAR (gc)), XINT (XCDR (gc))); \
+ else \
+ SET_GLYPH (glyph, (XINT (gc) & ((1 << CHARACTERBITS)-1)), \
+ (XINT (gc) >> CHARACTERBITS)); \
+ } \
+ while (0)
/* The ID of the mode line highlighting face. */
#define GLYPH_MODE_LINE_FACE 1
extern void init_eval_once P_ ((void));
extern Lisp_Object safe_call P_ ((int, Lisp_Object *));
extern Lisp_Object safe_call1 P_ ((Lisp_Object, Lisp_Object));
+extern Lisp_Object safe_call2 (Lisp_Object, Lisp_Object, Lisp_Object);
extern void init_eval P_ ((void));
extern void syms_of_eval P_ ((void));
Lisp_Object, Lisp_Object, Lisp_Object));
extern int overlay_touches_p P_ ((int));
extern Lisp_Object Vbuffer_alist, Vinhibit_read_only;
+EXFUN (Fbuffer_list, 1);
EXFUN (Fget_buffer, 1);
EXFUN (Fget_buffer_create, 1);
EXFUN (Fgenerate_new_buffer_name, 2);
EXFUN (Fset_input_meta_mode, 2);
EXFUN (Fset_quit_char, 1);
EXFUN (Fset_input_mode, 4);
+extern Lisp_Object pending_funcalls;
extern int detect_input_pending P_ ((void));
extern int detect_input_pending_ignore_squeezables P_ ((void));
extern int detect_input_pending_run_timers P_ ((int));