1 /* Fundamental definitions for GNU Emacs Lisp interpreter.
2 Copyright (C) 1985,86,87,93,94,95,97,1998 Free Software Foundation, Inc.
4 This file is part of GNU Emacs.
6 GNU Emacs is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2, or (at your option)
11 GNU Emacs is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with GNU Emacs; see the file COPYING. If not, write to
18 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
19 Boston, MA 02111-1307, USA. */
21 /* Declare the prototype for a general external function. */
22 #if defined (__STDC__) || defined (WINDOWSNT)
23 #define P_(proto) proto
29 /* These are default choices for the types to use. */
32 #define BITS_PER_EMACS_INT BITS_PER_INT
35 #define EMACS_UINT unsigned int
38 /* Define the fundamental Lisp data structures. */
40 /* This is the set of Lisp data types. */
44 /* Integer. XINT (obj) is the integer value. */
47 /* Symbol. XSYMBOL (object) points to a struct Lisp_Symbol. */
50 /* Miscellaneous. XMISC (object) points to a union Lisp_Misc,
51 whose first member indicates the subtype. */
54 /* String. XSTRING (object) points to a struct Lisp_String.
55 The length of the string, and its contents, are stored therein. */
58 /* Vector of Lisp objects, or something resembling it.
59 XVECTOR (object) points to a struct Lisp_Vector, which contains
60 the size and contents. The size field also contains the type
61 information, if it's not a real vector object. */
64 /* Cons. XCONS (object) points to a struct Lisp_Cons. */
67 #ifdef LISP_FLOAT_TYPE
69 #endif /* LISP_FLOAT_TYPE */
71 /* This is not a type code. It is for range checking. */
75 /* This is the set of datatypes that share a common structure.
76 The first member of the structure is a type code from this set.
77 The enum values are arbitrary, but we'll use large numbers to make it
78 more likely that we'll spot the error if a random word in memory is
79 mistakenly interpreted as a Lisp_Misc. */
82 Lisp_Misc_Free
= 0x5eab,
87 Lisp_Misc_Buffer_Objfwd
,
88 Lisp_Misc_Buffer_Local_Value
,
89 Lisp_Misc_Some_Buffer_Local_Value
,
91 Lisp_Misc_Kboard_Objfwd
,
92 /* Currently floats are not a misc type,
93 but let's define this in case we want to change that. */
95 /* This is not a type code. It is for range checking. */
99 /* These values are overridden by the m- file on some machines. */
108 /* Make these values available in GDB, which sees enums but not macros. */
112 gdb_valbits
= VALBITS
,
113 gdb_gctypebits
= GCTYPEBITS
,
114 gdb_emacs_intbits
= sizeof (EMACS_INT
) * BITS_PER_CHAR
,
116 gdb_data_seg_bits
= DATA_SEG_BITS
118 gdb_data_seg_bits
= 0
122 #ifndef NO_UNION_TYPE
124 #ifndef WORDS_BIG_ENDIAN
126 /* Definition of Lisp_Object for little-endian machines. */
131 /* Used for comparing two Lisp_Objects;
132 also, positive integers can be accessed fast this way. */
138 int type
: GCTYPEBITS
+1;
142 unsigned int val
: VALBITS
;
143 int type
: GCTYPEBITS
+1;
147 unsigned int val
: VALBITS
;
148 enum Lisp_Type type
: GCTYPEBITS
;
149 /* The markbit is not really part of the value of a Lisp_Object,
150 and is always zero except during garbage collection. */
151 unsigned int markbit
: 1;
156 #else /* If WORDS_BIG_ENDIAN */
161 /* Used for comparing two Lisp_Objects;
162 also, positive integers can be accessed fast this way. */
167 int type
: GCTYPEBITS
+1;
172 int type
: GCTYPEBITS
+1;
173 unsigned int val
: VALBITS
;
177 /* The markbit is not really part of the value of a Lisp_Object,
178 and is always zero except during garbage collection. */
179 unsigned int markbit
: 1;
180 enum Lisp_Type type
: GCTYPEBITS
;
181 unsigned int val
: VALBITS
;
186 #endif /* WORDS_BIG_ENDIAN */
188 #endif /* NO_UNION_TYPE */
191 /* If union type is not wanted, define Lisp_Object as just a number. */
194 #define Lisp_Object EMACS_INT
195 #endif /* NO_UNION_TYPE */
198 #define VALMASK ((((EMACS_INT) 1)<<VALBITS) - 1)
200 #define GCTYPEMASK ((((EMACS_INT) 1)<<GCTYPEBITS) - 1)
202 /* Two flags that are set during GC. On some machines, these flags
203 are defined differently by the m- file. */
205 /* This is set in the car of a cons and in the plist slot of a symbol
206 to indicate it is marked. Likewise in the plist slot of an interval,
207 the chain slot of a marker, the type slot of a float, and the name
210 In strings, this bit in the size field indicates that the string
211 is a "large" one, one which was separately malloc'd
212 rather than being part of a string block. */
215 #define MARKBIT ((int) ((unsigned int) 1 << (VALBITS + GCTYPEBITS)))
218 /* In the size word of a vector, this bit means the vector has been marked.
219 In the size word of a large string, likewise. */
221 #ifndef ARRAY_MARK_FLAG
222 #define ARRAY_MARK_FLAG ((MARKBIT >> 1) & ~MARKBIT)
223 #endif /* no ARRAY_MARK_FLAG */
225 /* In the size word of a struct Lisp_Vector, this bit means it's really
226 some other vector-like object. */
227 #ifndef PSEUDOVECTOR_FLAG
228 #define PSEUDOVECTOR_FLAG ((ARRAY_MARK_FLAG >> 1) & ~ARRAY_MARK_FLAG)
231 /* In a pseudovector, the size field actually contains a word with one
232 PSEUDOVECTOR_FLAG bit set, and exactly one of the following bits to
233 indicate the actual type. */
236 PVEC_NORMAL_VECTOR
= 0,
237 PVEC_PROCESS
= 0x200,
239 PVEC_COMPILED
= 0x800,
240 PVEC_WINDOW
= 0x1000,
241 PVEC_WINDOW_CONFIGURATION
= 0x2000,
243 PVEC_CHAR_TABLE
= 0x8000,
244 PVEC_BOOL_VECTOR
= 0x10000,
245 PVEC_BUFFER
= 0x20000,
246 PVEC_HASH_TABLE
= 0x40000,
247 PVEC_TYPE_MASK
= 0x7fe00,
248 PVEC_FLAG
= PSEUDOVECTOR_FLAG
251 /* For convenience, we also store the number of elements in these bits. */
252 #define PSEUDOVECTOR_SIZE_MASK 0x1ff
254 /* These macros extract various sorts of values from a Lisp_Object.
255 For example, if tem is a Lisp_Object whose type is Lisp_Cons,
256 XCONS (tem) is the struct Lisp_Cons * pointing to the memory for that cons. */
260 /* One need to override this if there must be high bits set in data space
261 (doing the result of the below & ((1 << (GCTYPE + 1)) - 1) would work
262 on all machines, but would penalise machines which don't need it)
265 #define XTYPE(a) ((enum Lisp_Type) ((a) >> VALBITS))
269 #define XSETTYPE(a, b) ((a) = XUINT (a) | ((EMACS_INT)(b) << VALBITS))
272 /* For integers known to be positive, XFASTINT provides fast retrieval
273 and XSETFASTINT provides fast storage. This takes advantage of the
274 fact that Lisp_Int is 0. */
275 #define XFASTINT(a) ((a) + 0)
276 #define XSETFASTINT(a, b) ((a) = (b))
278 /* Extract the value of a Lisp_Object as a signed integer. */
280 #ifndef XINT /* Some machines need to do this differently. */
281 #define XINT(a) (((a) << (BITS_PER_INT-VALBITS)) >> (BITS_PER_INT-VALBITS))
284 /* Extract the value as an unsigned integer. This is a basis
285 for extracting it as a pointer to a structure in storage. */
288 #define XUINT(a) ((a) & VALMASK)
293 /* In this representation, data is found in two widely separated segments. */
294 extern int pure_size
;
296 (XUINT (a) | (XUINT (a) > pure_size ? DATA_SEG_BITS : PURE_SEG_BITS))
297 #else /* not HAVE_SHM */
299 /* This case is used for the rt-pc.
300 In the diffs I was given, it checked for ptr = 0
301 and did not adjust it in that case.
302 But I don't think that zero should ever be found
303 in a Lisp object whose data type says it points to something. */
304 #define XPNTR(a) (XUINT (a) | DATA_SEG_BITS)
306 #define XPNTR(a) XUINT (a)
308 #endif /* not HAVE_SHM */
309 #endif /* no XPNTR */
312 #define XSET(var, type, ptr) \
313 ((var) = ((EMACS_INT)(type) << VALBITS) + ((EMACS_INT) (ptr) & VALMASK))
316 /* Convert a C integer into a Lisp_Object integer. */
318 #define make_number(N) \
319 ((((EMACS_INT) (N)) & VALMASK) | ((EMACS_INT) Lisp_Int) << VALBITS)
321 /* During garbage collection, XGCTYPE must be used for extracting types
322 so that the mark bit is ignored. XMARKBIT accesses the markbit.
323 Markbits are used only in particular slots of particular structure types.
324 Other markbits are always zero.
325 Outside of garbage collection, all mark bits are always zero. */
328 #define XGCTYPE(a) ((enum Lisp_Type) (((a) >> VALBITS) & GCTYPEMASK))
331 #if VALBITS + GCTYPEBITS == BITS_PER_EMACS_INT - 1
332 /* Make XMARKBIT faster if mark bit is sign bit. */
334 #define XMARKBIT(a) ((a) < 0)
336 #endif /* markbit is sign bit */
339 #define XMARKBIT(a) ((a) & MARKBIT)
343 #define XSETMARKBIT(a,b) ((a) = ((a) & ~MARKBIT) | ((b) ? MARKBIT : 0))
347 #define XMARK(a) ((a) |= MARKBIT)
351 #define XUNMARK(a) ((a) &= ~MARKBIT)
354 #endif /* NO_UNION_TYPE */
356 #ifndef NO_UNION_TYPE
358 #define XTYPE(a) ((enum Lisp_Type) (a).u.type)
359 #define XSETTYPE(a, b) ((a).u.type = (char) (b))
361 /* For integers known to be positive, XFASTINT provides fast retrieval
362 and XSETFASTINT provides fast storage. This takes advantage of the
363 fact that Lisp_Int is 0. */
364 #define XFASTINT(a) ((a).i + 0)
365 #define XSETFASTINT(a, b) ((a).i = (b))
367 #ifdef EXPLICIT_SIGN_EXTEND
368 /* Make sure we sign-extend; compilers have been known to fail to do so. */
369 #define XINT(a) (((a).i << (BITS_PER_INT-VALBITS)) >> (BITS_PER_INT-VALBITS))
371 #define XINT(a) ((a).s.val)
372 #endif /* EXPLICIT_SIGN_EXTEND */
374 #define XUINT(a) ((a).u.val)
375 #define XPNTR(a) ((a).u.val)
377 #define XSET(var, vartype, ptr) \
378 (((var).s.type = ((char) (vartype))), ((var).s.val = ((int) (ptr))))
380 extern Lisp_Object
make_number ();
382 /* During garbage collection, XGCTYPE must be used for extracting types
383 so that the mark bit is ignored. XMARKBIT access the markbit.
384 Markbits are used only in particular slots of particular structure types.
385 Other markbits are always zero.
386 Outside of garbage collection, all mark bits are always zero. */
388 #define XGCTYPE(a) ((a).gu.type)
389 #define XMARKBIT(a) ((a).gu.markbit)
390 #define XSETMARKBIT(a,b) (XMARKBIT(a) = (b))
391 #define XMARK(a) (XMARKBIT(a) = 1)
392 #define XUNMARK(a) (XMARKBIT(a) = 0)
394 #endif /* NO_UNION_TYPE */
396 /* Extract a value or address from a Lisp_Object. */
398 #define XCONS(a) ((struct Lisp_Cons *) XPNTR(a))
399 #define XVECTOR(a) ((struct Lisp_Vector *) XPNTR(a))
400 #define XSTRING(a) ((struct Lisp_String *) XPNTR(a))
401 #define XSYMBOL(a) ((struct Lisp_Symbol *) XPNTR(a))
402 #define XFLOAT(a) ((struct Lisp_Float *) XPNTR(a))
405 #define XMISC(a) ((union Lisp_Misc *) XPNTR(a))
406 #define XMISCTYPE(a) (XMARKER (a)->type)
407 #define XMARKER(a) (&(XMISC(a)->u_marker))
408 #define XINTFWD(a) (&(XMISC(a)->u_intfwd))
409 #define XBOOLFWD(a) (&(XMISC(a)->u_boolfwd))
410 #define XOBJFWD(a) (&(XMISC(a)->u_objfwd))
411 #define XBUFFER_OBJFWD(a) (&(XMISC(a)->u_buffer_objfwd))
412 #define XBUFFER_LOCAL_VALUE(a) (&(XMISC(a)->u_buffer_local_value))
413 #define XOVERLAY(a) (&(XMISC(a)->u_overlay))
414 #define XKBOARD_OBJFWD(a) (&(XMISC(a)->u_kboard_objfwd))
416 /* Pseudovector types. */
417 #define XPROCESS(a) ((struct Lisp_Process *) XPNTR(a))
418 #define XWINDOW(a) ((struct window *) XPNTR(a))
419 #define XSUBR(a) ((struct Lisp_Subr *) XPNTR(a))
420 #define XBUFFER(a) ((struct buffer *) XPNTR(a))
421 #define XCHAR_TABLE(a) ((struct Lisp_Char_Table *) XPNTR(a))
422 #define XBOOL_VECTOR(a) ((struct Lisp_Bool_Vector *) XPNTR(a))
425 /* Construct a Lisp_Object from a value or address. */
427 #define XSETINT(a, b) XSET (a, Lisp_Int, b)
428 #define XSETCONS(a, b) XSET (a, Lisp_Cons, b)
429 #define XSETVECTOR(a, b) XSET (a, Lisp_Vectorlike, b)
430 #define XSETSTRING(a, b) XSET (a, Lisp_String, b)
431 #define XSETSYMBOL(a, b) XSET (a, Lisp_Symbol, b)
432 #define XSETFLOAT(a, b) XSET (a, Lisp_Float, b)
435 #define XSETMISC(a, b) XSET (a, Lisp_Misc, b)
436 #define XSETMARKER(a, b) (XSETMISC (a, b), XMISCTYPE (a) = Lisp_Misc_Marker)
438 /* Pseudovector types. */
439 #define XSETPSEUDOVECTOR(a, b, code) \
440 (XSETVECTOR (a, b), XVECTOR (a)->size |= PSEUDOVECTOR_FLAG | (code))
441 #define XSETWINDOW_CONFIGURATION(a, b) \
442 (XSETPSEUDOVECTOR (a, b, PVEC_WINDOW_CONFIGURATION))
443 #define XSETPROCESS(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_PROCESS))
444 #define XSETWINDOW(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_WINDOW))
445 #define XSETSUBR(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_SUBR))
446 #define XSETCOMPILED(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_COMPILED))
447 #define XSETBUFFER(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_BUFFER))
448 #define XSETCHAR_TABLE(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_CHAR_TABLE))
449 #define XSETBOOL_VECTOR(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_BOOL_VECTOR))
451 #ifdef USE_TEXT_PROPERTIES
452 /* Basic data type for use of intervals. See the macros in intervals.h. */
456 /* The first group of entries deal with the tree structure. */
458 unsigned int total_length
; /* Length of myself and both children. */
459 unsigned int position
; /* Cache of interval's character position. */
460 /* This field is usually updated
461 simultaneously with an interval
462 traversal, there is no guaranty
463 that it is valid for a random
465 struct interval
*left
; /* Intervals which precede me. */
466 struct interval
*right
; /* Intervals which succeed me. */
468 /* Parent in the tree, or the Lisp_Object containing this interval tree.
470 The mark bit on the root interval of an interval tree says
471 whether we have started (and possibly finished) marking the
472 tree. If GC comes across an interval tree whose root's parent
473 field has its markbit set, it leaves the tree alone.
475 You'd think we could store this information in the parent object
476 somewhere (after all, that should be visited once and then
477 ignored too, right?), but strings are GC'd strangely. */
478 struct interval
*parent
;
480 /* The remaining components are `properties' of the interval.
481 The first four are duplicates for things which can be on the list,
482 for purposes of speed. */
484 unsigned char write_protect
; /* Non-zero means can't modify. */
485 unsigned char visible
; /* Zero means don't display. */
486 unsigned char front_sticky
; /* Non-zero means text inserted just
487 before this interval goes into it. */
488 unsigned char rear_sticky
; /* Likewise for just after it. */
490 /* Properties of this interval.
491 The mark bit on this field says whether this particular interval
492 tree node has been visited. Since intervals should never be
493 shared, GC aborts if it seems to have visited an interval twice. */
497 typedef struct interval
*INTERVAL
;
499 /* Complain if object is not string or buffer type */
500 #define CHECK_STRING_OR_BUFFER(x, i) \
501 { if (!STRINGP ((x)) && !BUFFERP ((x))) \
502 x = wrong_type_argument (Qbuffer_or_string_p, (x)); }
504 /* Macro used to conditionally compile intervals into certain data
505 structures. See, e.g., struct Lisp_String below. */
506 #define DECLARE_INTERVALS INTERVAL intervals;
508 /* Macro used to conditionally compile interval initialization into
509 certain code. See, e.g., alloc.c. */
510 #define INITIALIZE_INTERVAL(ptr,val) ptr->intervals = val
512 #else /* No text properties */
514 /* If no intervals are used, make the above definitions go away. */
516 #define CHECK_STRING_OR_BUFFER(x, i)
519 #define DECLARE_INTERVALS
520 #define INITIALIZE_INTERVAL(ptr,val)
522 #endif /* USE_TEXT_PROPERTIES */
524 /* In a cons, the markbit of the car is the gc mark bit */
528 /* Please do not use the names of these elements in code other
529 than the core lisp implementation. Use XCAR and XCDR below. */
530 #ifdef HIDE_LISP_IMPLEMENTATION
531 Lisp_Object car_
, cdr_
;
533 Lisp_Object car
, cdr
;
537 /* Take the car or cdr of something known to be a cons cell. */
538 #ifdef HIDE_LISP_IMPLEMENTATION
539 #define XCAR(c) (XCONS ((c))->car_)
540 #define XCDR(c) (XCONS ((c))->cdr_)
542 #define XCAR(c) (XCONS ((c))->car)
543 #define XCDR(c) (XCONS ((c))->cdr)
546 /* Take the car or cdr of something whose type is not known. */
548 (CONSP ((c)) ? XCAR ((c)) \
549 : NILP ((c)) ? Qnil \
550 : wrong_type_argument (Qlistp, (c)))
553 (CONSP ((c)) ? XCDR ((c)) \
554 : NILP ((c)) ? Qnil \
555 : wrong_type_argument (Qlistp, (c)))
557 /* Like a cons, but records info on where the text lives that it was read from */
558 /* This is not really in use now */
560 struct Lisp_Buffer_Cons
562 Lisp_Object car
, cdr
;
563 struct buffer
*buffer
;
567 /* Nonzero if STR is a multibyte string. */
568 #define STRING_MULTIBYTE(STR) \
569 (XSTRING (STR)->size_byte >= 0)
571 /* Return the length in bytes of STR. */
572 #define STRING_BYTES(STR) \
573 ((STR)->size_byte < 0 ? (STR)->size : (STR)->size_byte)
575 /* Set the length in bytes of STR. */
576 #define SET_STRING_BYTES(STR, SIZE) ((STR)->size_byte = (SIZE))
578 /* In a string or vector, the sign bit of the `size' is the gc mark bit */
584 DECLARE_INTERVALS
/* `data' field must be last. */
585 unsigned char data
[1];
588 /* If a struct is made to look like a vector, this macro returns the length
589 of the shortest vector that would hold that struct. */
590 #define VECSIZE(type) ((sizeof (type) - (sizeof (struct Lisp_Vector) \
591 - sizeof (Lisp_Object)) \
592 + sizeof(Lisp_Object) - 1) /* round up */ \
593 / sizeof (Lisp_Object))
598 struct Lisp_Vector
*next
;
599 Lisp_Object contents
[1];
602 /* A char table is a kind of vectorlike, with contents are like a
603 vector but with a few other slots. For some purposes, it makes
604 sense to handle a chartable with type struct Lisp_Vector. An
605 element of a char table can be any Lisp objects, but if it is a sub
606 char-table, we treat it a table that contains information of a
607 group of characters of the same charsets or a specific character of
608 a charset. A sub char-table has the same structure as a char table
609 except for that the former omits several slots at the tail. A sub
610 char table appears only in an element of a char table, and there's
611 no way to access it directly from Emacs Lisp program. */
613 /* This is the number of slots that apply to characters or character
614 sets. The first 128 are for ASCII, the next 128 are for 8-bit
615 European characters, and the last 128 are for multibyte characters.
616 The first 256 are indexed by the code itself, but the last 128 are
617 indexed by (charset-id + 128). */
618 #define CHAR_TABLE_ORDINARY_SLOTS 384
620 /* This is the number of slots that apply to characters of ASCII and
621 8-bit Europeans only. */
622 #define CHAR_TABLE_SINGLE_BYTE_SLOTS 256
624 /* This is the number of slots that every char table must have. This
625 counts the ordinary slots and the top, defalt, parent, and purpose
627 #define CHAR_TABLE_STANDARD_SLOTS (CHAR_TABLE_ORDINARY_SLOTS + 4)
629 /* This is the number of slots that apply to position-code-1 and
630 position-code-2 of a multibyte character at the 2nd and 3rd level
631 sub char tables respectively. */
632 #define SUB_CHAR_TABLE_ORDINARY_SLOTS 128
634 /* This is the number of slots that every sub char table must have.
635 This counts the ordinary slots and the top and defalt slot. */
636 #define SUB_CHAR_TABLE_STANDARD_SLOTS (SUB_CHAR_TABLE_ORDINARY_SLOTS + 2)
638 /* Return the number of "extra" slots in the char table CT. */
640 #define CHAR_TABLE_EXTRA_SLOTS(CT) \
641 (((CT)->size & PSEUDOVECTOR_SIZE_MASK) - CHAR_TABLE_STANDARD_SLOTS)
643 /* Almost equivalent to Faref (CT, IDX) with optimization for ASCII
644 and 8-bit Europeans characters. For these characters, do not check
645 validity of CT. Do not follow parent. */
646 #define CHAR_TABLE_REF(CT, IDX) \
647 ((IDX) >= 0 && (IDX) < CHAR_TABLE_SINGLE_BYTE_SLOTS \
648 ? (!NILP (XCHAR_TABLE (CT)->contents[IDX]) \
649 ? XCHAR_TABLE (CT)->contents[IDX] \
650 : XCHAR_TABLE (CT)->defalt) \
651 : Faref (CT, make_number (IDX)))
653 /* Almost equivalent to Faref (CT, IDX) with optimization for ASCII
654 and 8-bit Europeans characters. However, if the result is nil,
657 For these characters, do not check validity of CT
658 and do not follow parent. */
659 #define CHAR_TABLE_TRANSLATE(CT, IDX) \
660 ((IDX) < CHAR_TABLE_SINGLE_BYTE_SLOTS \
661 ? (!NILP (XCHAR_TABLE (CT)->contents[IDX]) \
662 ? XINT (XCHAR_TABLE (CT)->contents[IDX]) \
664 : char_table_translate (CT, IDX))
666 /* Equivalent to Faset (CT, IDX, VAL) with optimization for ASCII and
667 8-bit Europeans characters. Do not check validity of CT. */
668 #define CHAR_TABLE_SET(CT, IDX, VAL) \
670 if (XFASTINT (IDX) < CHAR_TABLE_SINGLE_BYTE_SLOTS) \
671 XCHAR_TABLE (CT)->contents[XFASTINT (IDX)] = VAL; \
673 Faset (CT, IDX, VAL); \
676 struct Lisp_Char_Table
678 /* This is the vector's size field, which also holds the
679 pseudovector type information. It holds the size, too.
680 The size counts the top, defalt, purpose, and parent slots.
681 The last three are not counted if this is a sub char table. */
683 struct Lisp_Vector
*next
;
684 /* This holds a flag to tell if this is a top level char table (t)
685 or a sub char table (nil). */
687 /* This holds a default value,
688 which is used whenever the value for a specific character is nil. */
690 /* This holds an actual value of each element. A sub char table
691 has only SUB_CHAR_TABLE_ORDINARY_SLOTS number of elements. */
692 Lisp_Object contents
[CHAR_TABLE_ORDINARY_SLOTS
];
694 /* A sub char table doesn't has the following slots. */
696 /* This points to another char table, which we inherit from
697 when the value for a specific character is nil.
698 The `defalt' slot takes precedence over this. */
700 /* This should be a symbol which says what kind of use
701 this char-table is meant for.
702 Typically now the values can be `syntax-table' and `display-table'. */
704 /* These hold additional data. */
705 Lisp_Object extras
[1];
708 /* A boolvector is a kind of vectorlike, with contents are like a string. */
709 struct Lisp_Bool_Vector
711 /* This is the vector's size field. It doesn't have the real size,
712 just the subtype information. */
713 EMACS_INT vector_size
;
714 struct Lisp_Vector
*next
;
715 /* This is the size in bits. */
717 /* This contains the actual bits, packed into bytes. */
718 unsigned char data
[1];
721 /* In a symbol, the markbit of the plist is used as the gc mark bit */
725 struct Lisp_String
*name
;
727 Lisp_Object function
;
730 struct Lisp_Symbol
*next
; /* -> next symbol in this obarray bucket */
733 /* This structure describes a built-in function.
734 It is generated by the DEFUN macro only.
735 defsubr makes it into a Lisp object.
737 This type is treated in most respects as a pseudovector,
738 but since we never dynamically allocate or free them,
739 we don't need a next-vector field. */
744 Lisp_Object (*function
) ();
745 short min_args
, max_args
;
752 /***********************************************************************
754 ***********************************************************************/
756 /* The structure of a Lisp hash table. */
758 struct Lisp_Hash_Table
760 /* Vector fields. The hash table code doesn't refer to these. */
762 struct Lisp_Vector
*vec_next
;
764 /* Function used to compare keys. */
767 /* Nil if table is non-weak. Otherwise a symbol describing the
768 weakness of the table. */
771 /* When the table is resized, and this is an integer, compute the
772 new size by adding this to the old size. If a float, compute the
773 new size by multiplying the old size with this factor. */
774 Lisp_Object rehash_size
;
776 /* Resize hash table when number of entries/ table size is >= this
778 Lisp_Object rehash_threshold
;
780 /* Number of key/value entries in the table. */
783 /* Vector of keys and values. The key of item I is found at index
784 2 * I, the value is found at index 2 * I + 1. */
785 Lisp_Object key_and_value
;
787 /* Vector of hash codes.. If hash[I] is nil, this means that that
788 entry I is unused. */
791 /* Vector used to chain entries. If entry I is free, next[I] is the
792 entry number of the next free item. If entry I is non-free,
793 next[I] is the index of the next entry in the collision chain. */
796 /* Index of first free entry in free list. */
797 Lisp_Object next_free
;
799 /* Bucket vector. A non-nil entry is the index of the first item in
800 a collision chain. This vector's size can be larger than the
801 hash table size to reduce collisions. */
804 /* Next weak hash table if this is a weak hash table. The head
805 of the list is in Vweak_hash_tables. */
806 Lisp_Object next_weak
;
808 /* User-supplied hash function, or nil. */
809 Lisp_Object user_hash_function
;
811 /* User-supplied key comparison function, or nil. */
812 Lisp_Object user_cmp_function
;
814 /* C function to compare two keys. */
815 int (* cmpfn
) P_ ((struct Lisp_Hash_Table
*, Lisp_Object
,
816 unsigned, Lisp_Object
, unsigned));
818 /* C function to compute hash code. */
819 unsigned (* hashfn
) P_ ((struct Lisp_Hash_Table
*, Lisp_Object
));
823 #define XHASH_TABLE(OBJ) \
824 ((struct Lisp_Hash_Table *) XPNTR (OBJ))
826 #define XSET_HASH_TABLE(VAR, PTR) \
827 (XSETPSEUDOVECTOR (VAR, PTR, PVEC_HASH_TABLE))
829 #define HASH_TABLE_P(OBJ) PSEUDOVECTORP (OBJ, PVEC_HASH_TABLE)
830 #define GC_HASH_TABLE_P(x) GC_PSEUDOVECTORP (x, PVEC_HASH_TABLE)
832 #define CHECK_HASH_TABLE(x, i) \
835 if (!HASH_TABLE_P ((x))) \
836 x = wrong_type_argument (Qhash_table_p, (x)); \
840 /* Default size for hash tables if not specified. */
842 #define DEFAULT_HASH_SIZE 65
844 /* Default threshold specifying when to resize a hash table. The
845 value gives the ratio of current entries in the hash table and the
846 size of the hash table. */
848 #define DEFAULT_REHASH_THRESHOLD 0.8
850 /* Default factor by which to increase the size of a hash table. */
852 #define DEFAULT_REHASH_SIZE 1.5
855 /* These structures are used for various misc types. */
857 /* A miscellaneous object, when it's on the free list. */
860 int type
: 16; /* = Lisp_Misc_Free */
862 union Lisp_Misc
*chain
;
865 /* In a marker, the markbit of the chain field is used as the gc mark bit. */
868 int type
: 16; /* = Lisp_Misc_Marker */
870 /* 1 means normal insertion at the marker's position
871 leaves the marker after the inserted text. */
872 unsigned int insertion_type
: 1;
873 /* This is the buffer that the marker points into,
874 or 0 if it points nowhere. */
875 struct buffer
*buffer
;
877 /* The remaining fields are meaningless in a marker that
878 does not point anywhere. */
880 /* For markers that point somewhere,
881 this is used to chain of all the markers in a given buffer. */
883 /* This is the char position where the marker points. */
885 /* This is the byte position. */
889 /* Forwarding pointer to an int variable.
890 This is allowed only in the value cell of a symbol,
891 and it means that the symbol's value really lives in the
892 specified int variable. */
895 int type
: 16; /* = Lisp_Misc_Intfwd */
900 /* Boolean forwarding pointer to an int variable.
901 This is like Lisp_Intfwd except that the ostensible
902 "value" of the symbol is t if the int variable is nonzero,
903 nil if it is zero. */
906 int type
: 16; /* = Lisp_Misc_Boolfwd */
911 /* Forwarding pointer to a Lisp_Object variable.
912 This is allowed only in the value cell of a symbol,
913 and it means that the symbol's value really lives in the
914 specified variable. */
917 int type
: 16; /* = Lisp_Misc_Objfwd */
922 /* Like Lisp_Objfwd except that value lives in a slot in the
923 current buffer. Value is byte index of slot within buffer. */
924 struct Lisp_Buffer_Objfwd
926 int type
: 16; /* = Lisp_Misc_Buffer_Objfwd */
931 /* Used in a symbol value cell when the symbol's value is per-buffer.
932 The actual contents resemble a cons cell which starts a list like this:
933 (REALVALUE BUFFER CURRENT-ALIST-ELEMENT . DEFAULT-VALUE).
935 The cons-like structure is for historical reasons; it might be better
936 to just put these elements into the struct, now.
938 BUFFER is the last buffer for which this symbol's value was
941 CURRENT-ALIST-ELEMENT is a pointer to an element of BUFFER's
942 local_var_alist, that being the element whose car is this
943 variable. Or it can be a pointer to the
944 (CURRENT-ALIST-ELEMENT . DEFAULT-VALUE),
945 if BUFFER does not have an element in its alist for this
946 variable (that is, if BUFFER sees the default value of this
949 If we want to examine or set the value and BUFFER is current,
950 we just examine or set REALVALUE. If BUFFER is not current, we
951 store the current REALVALUE value into CURRENT-ALIST-ELEMENT,
952 then find the appropriate alist element for the buffer now
953 current and set up CURRENT-ALIST-ELEMENT. Then we set
954 REALVALUE out of that element, and store into BUFFER.
956 If we are setting the variable and the current buffer does not
957 have an alist entry for this variable, an alist entry is
960 Note that REALVALUE can be a forwarding pointer. Each time it
961 is examined or set, forwarding must be done. Each time we
962 switch buffers, buffer-local variables which forward into C
963 variables are swapped immediately, so the C code can assume
964 that they are always up to date.
966 Lisp_Misc_Buffer_Local_Value and Lisp_Misc_Some_Buffer_Local_Value
967 use the same substructure. The difference is that with the latter,
968 merely setting the variable while some buffer is current
969 does not cause that buffer to have its own local value of this variable.
970 Only make-local-variable does that. */
971 struct Lisp_Buffer_Local_Value
973 int type
: 16; /* = Lisp_Misc_Buffer_Local_Value
974 or Lisp_Misc_Some_Buffer_Local_Value */
976 unsigned int check_frame
: 1;
977 unsigned int found_for_buffer
: 1;
978 unsigned int found_for_frame
: 1;
979 Lisp_Object realvalue
;
980 Lisp_Object buffer
, frame
;
984 /* In an overlay object, the mark bit of the plist is used as the GC mark.
985 START and END are markers in the overlay's buffer, and
986 PLIST is the overlay's property list. */
989 int type
: 16; /* = Lisp_Misc_Overlay */
991 Lisp_Object start
, end
, plist
;
994 /* Like Lisp_Objfwd except that value lives in a slot in the
996 struct Lisp_Kboard_Objfwd
998 int type
: 16; /* = Lisp_Misc_Kboard_Objfwd */
1004 /* To get the type field of a union Lisp_Misc, use XMISCTYPE.
1005 It uses one of these struct subtypes to get the type field. */
1009 struct Lisp_Free u_free
;
1010 struct Lisp_Marker u_marker
;
1011 struct Lisp_Intfwd u_intfwd
;
1012 struct Lisp_Boolfwd u_boolfwd
;
1013 struct Lisp_Objfwd u_objfwd
;
1014 struct Lisp_Buffer_Objfwd u_buffer_objfwd
;
1015 struct Lisp_Buffer_Local_Value u_buffer_local_value
;
1016 struct Lisp_Overlay u_overlay
;
1017 struct Lisp_Kboard_Objfwd u_kboard_objfwd
;
1020 #ifdef LISP_FLOAT_TYPE
1021 /* Optional Lisp floating point type */
1024 Lisp_Object type
; /* essentially used for mark-bit
1025 and chaining when on free-list */
1026 #ifdef HIDE_LISP_IMPLEMENTATION
1033 #ifdef HIDE_LISP_IMPLEMENTATION
1034 #define XFLOAT_DATA(f) (XFLOAT (f)->data_)
1036 #define XFLOAT_DATA(f) (XFLOAT (f)->data)
1038 #endif /* LISP_FLOAT_TYPE */
1040 /* A character, declared with the following typedef, is a member
1041 of some character set associated with the current buffer. */
1042 #ifndef _UCHAR_T /* Protect against something in ctab.h on AIX. */
1044 typedef unsigned char UCHAR
;
1047 /* Meanings of slots in a Lisp_Compiled: */
1049 #define COMPILED_ARGLIST 0
1050 #define COMPILED_BYTECODE 1
1051 #define COMPILED_CONSTANTS 2
1052 #define COMPILED_STACK_DEPTH 3
1053 #define COMPILED_DOC_STRING 4
1054 #define COMPILED_INTERACTIVE 5
1056 /* Flag bits in a character. These also get used in termhooks.h.
1057 Richard Stallman <rms@gnu.ai.mit.edu> thinks that MULE
1058 (MUlti-Lingual Emacs) might need 22 bits for the character value
1059 itself, so we probably shouldn't use any bits lower than 0x0400000. */
1060 #define CHAR_ALT (0x0400000)
1061 #define CHAR_SUPER (0x0800000)
1062 #define CHAR_HYPER (0x1000000)
1063 #define CHAR_SHIFT (0x2000000)
1064 #define CHAR_CTL (0x4000000)
1065 #define CHAR_META (0x8000000)
1067 #define CHAR_MODIFIER_MASK \
1068 (CHAR_ALT | CHAR_SUPER | CHAR_HYPER | CHAR_SHIFT | CHAR_CTL | CHAR_META)
1071 /* Actually, the current Emacs uses 19 bits for the character value
1073 #define CHARACTERBITS 19
1075 #ifdef USE_X_TOOLKIT
1076 #ifdef NO_UNION_TYPE
1077 /* Use this for turning a (void *) into a Lisp_Object, as when the
1078 Lisp_Object is passed into a toolkit callback function. */
1079 #define VOID_TO_LISP(larg,varg) \
1080 do { ((larg) = ((Lisp_Object) (varg))); } while (0)
1081 #define CVOID_TO_LISP VOID_TO_LISP
1083 /* Use this for turning a Lisp_Object into a (void *), as when the
1084 Lisp_Object is passed into a toolkit callback function. */
1085 #define LISP_TO_VOID(larg) ((void *) (larg))
1086 #define LISP_TO_CVOID(varg) ((const void *) (larg))
1088 #else /* not NO_UNION_TYPE */
1089 /* Use this for turning a (void *) into a Lisp_Object, as when the
1090 Lisp_Object is passed into a toolkit callback function. */
1091 #define VOID_TO_LISP(larg,varg) \
1092 do { ((larg).v = (void *) (varg)); } while (0)
1093 #define CVOID_TO_LISP(larg,varg) \
1094 do { ((larg).cv = (const void *) (varg)); } while (0)
1096 /* Use this for turning a Lisp_Object into a (void *), as when the
1097 Lisp_Object is passed into a toolkit callback function. */
1098 #define LISP_TO_VOID(larg) ((larg).v)
1099 #define LISP_TO_CVOID(larg) ((larg).cv)
1100 #endif /* not NO_UNION_TYPE */
1101 #endif /* USE_X_TOOLKIT */
1104 /* The glyph datatype, used to represent characters on the display. */
1106 /* The low 19 bits (CHARACTERBITS) are the character code, and the
1107 bits above them except for the topmost two bits are the numeric
1108 face ID. If FID is the face ID of a glyph on a frame F, then
1109 F->display.x->faces[FID] contains the description of that face.
1110 This is an int instead of a short, so we can support a good bunch
1111 of face ID's (i.e. 2^(32 - 19 - 2) = 2048 ID's) ; given that we
1112 have no mechanism for tossing unused frame face ID's yet, we'll
1113 probably run out of 255 pretty quickly. */
1114 #define GLYPH unsigned int
1116 /* Mask bit for a glyph of a character which should be written from
1118 #define GLYPH_MASK_REV_DIR 0x80000000
1119 /* Mask bit for a padding glyph of a multi-column character. */
1120 #define GLYPH_MASK_PADDING 0x40000000
1121 /* Mask bits for face. */
1122 #define GLYPH_MASK_FACE 0x3FF80000
1123 /* Mask bits for character code. */
1124 #define GLYPH_MASK_CHAR 0x0007FFFF /* The lowest 19 bits */
1126 /* The FAST macros assume that we already know we're in an X window. */
1128 /* Given a character code and a face ID, return the appropriate glyph. */
1129 #define FAST_MAKE_GLYPH(char, face) ((char) | ((face) << CHARACTERBITS))
1131 /* Return a glyph's character code. */
1132 #define FAST_GLYPH_CHAR(glyph) ((glyph) & GLYPH_MASK_CHAR)
1134 /* Return a glyph's face ID. */
1135 #define FAST_GLYPH_FACE(glyph) (((glyph) & GLYPH_MASK_FACE) >> CHARACTERBITS)
1137 /* Slower versions that test the frame type first. */
1138 #define MAKE_GLYPH(f, char, face) (FAST_MAKE_GLYPH (char, face))
1139 #define GLYPH_CHAR(f, g) (FAST_GLYPH_CHAR (g))
1140 #define GLYPH_FACE(f, g) (FAST_GLYPH_FACE (g))
1142 /* Return 1 iff GLYPH contains valid character code. */
1143 #define GLYPH_CHAR_VALID_P(glyph) \
1144 ((GLYPH) (FAST_GLYPH_CHAR (glyph)) <= MAX_CHAR)
1146 /* The ID of the mode line highlighting face. */
1147 #define GLYPH_MODE_LINE_FACE 1
1149 /* Data type checking */
1151 #define NILP(x) (XFASTINT (x) == XFASTINT (Qnil))
1152 #define GC_NILP(x) GC_EQ (x, Qnil)
1154 #ifdef LISP_FLOAT_TYPE
1155 #define NUMBERP(x) (INTEGERP (x) || FLOATP (x))
1156 #define GC_NUMBERP(x) (GC_INTEGERP (x) || GC_FLOATP (x))
1158 #define NUMBERP(x) (INTEGERP (x))
1159 #define GC_NUMBERP(x) (GC_INTEGERP (x))
1161 #define NATNUMP(x) (INTEGERP (x) && XINT (x) >= 0)
1162 #define GC_NATNUMP(x) (GC_INTEGERP (x) && XINT (x) >= 0)
1164 #define INTEGERP(x) (XTYPE ((x)) == Lisp_Int)
1165 #define GC_INTEGERP(x) (XGCTYPE ((x)) == Lisp_Int)
1166 #define SYMBOLP(x) (XTYPE ((x)) == Lisp_Symbol)
1167 #define GC_SYMBOLP(x) (XGCTYPE ((x)) == Lisp_Symbol)
1168 #define MISCP(x) (XTYPE ((x)) == Lisp_Misc)
1169 #define GC_MISCP(x) (XGCTYPE ((x)) == Lisp_Misc)
1170 #define VECTORLIKEP(x) (XTYPE ((x)) == Lisp_Vectorlike)
1171 #define GC_VECTORLIKEP(x) (XGCTYPE ((x)) == Lisp_Vectorlike)
1172 #define STRINGP(x) (XTYPE ((x)) == Lisp_String)
1173 #define GC_STRINGP(x) (XGCTYPE ((x)) == Lisp_String)
1174 #define CONSP(x) (XTYPE ((x)) == Lisp_Cons)
1175 #define GC_CONSP(x) (XGCTYPE ((x)) == Lisp_Cons)
1177 #ifdef LISP_FLOAT_TYPE
1178 #define FLOATP(x) (XTYPE ((x)) == Lisp_Float)
1179 #define GC_FLOATP(x) (XGCTYPE ((x)) == Lisp_Float)
1181 #define FLOATP(x) (0)
1182 #define GC_FLOATP(x) (0)
1184 #define VECTORP(x) (VECTORLIKEP (x) && !(XVECTOR (x)->size & PSEUDOVECTOR_FLAG))
1185 #define GC_VECTORP(x) (GC_VECTORLIKEP (x) && !(XVECTOR (x)->size & PSEUDOVECTOR_FLAG))
1186 #define OVERLAYP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Overlay)
1187 #define GC_OVERLAYP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Overlay)
1188 #define MARKERP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Marker)
1189 #define GC_MARKERP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Marker)
1190 #define INTFWDP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Intfwd)
1191 #define GC_INTFWDP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Intfwd)
1192 #define BOOLFWDP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Boolfwd)
1193 #define GC_BOOLFWDP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Boolfwd)
1194 #define OBJFWDP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Objfwd)
1195 #define GC_OBJFWDP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Objfwd)
1196 #define BUFFER_OBJFWDP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Buffer_Objfwd)
1197 #define GC_BUFFER_OBJFWDP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Buffer_Objfwd)
1198 #define BUFFER_LOCAL_VALUEP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Buffer_Local_Value)
1199 #define GC_BUFFER_LOCAL_VALUEP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Buffer_Local_Value)
1200 #define SOME_BUFFER_LOCAL_VALUEP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Some_Buffer_Local_Value)
1201 #define GC_SOME_BUFFER_LOCAL_VALUEP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Some_Buffer_Local_Value)
1202 #define KBOARD_OBJFWDP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Kboard_Objfwd)
1203 #define GC_KBOARD_OBJFWDP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Kboard_Objfwd)
1206 /* True if object X is a pseudovector whose code is CODE. */
1207 #define PSEUDOVECTORP(x, code) \
1209 && (((XVECTOR (x)->size & (PSEUDOVECTOR_FLAG | (code)))) \
1210 == (PSEUDOVECTOR_FLAG | (code))))
1212 /* True if object X is a pseudovector whose code is CODE.
1213 This one works during GC. */
1214 #define GC_PSEUDOVECTORP(x, code) \
1215 (GC_VECTORLIKEP (x) \
1216 && (((XVECTOR (x)->size & (PSEUDOVECTOR_FLAG | (code)))) \
1217 == (PSEUDOVECTOR_FLAG | (code))))
1219 /* Test for specific pseudovector types. */
1220 #define WINDOW_CONFIGURATIONP(x) PSEUDOVECTORP (x, PVEC_WINDOW_CONFIGURATION)
1221 #define GC_WINDOW_CONFIGURATIONP(x) GC_PSEUDOVECTORP (x, PVEC_WINDOW_CONFIGURATION)
1222 #define PROCESSP(x) PSEUDOVECTORP (x, PVEC_PROCESS)
1223 #define GC_PROCESSP(x) GC_PSEUDOVECTORP (x, PVEC_PROCESS)
1224 #define WINDOWP(x) PSEUDOVECTORP (x, PVEC_WINDOW)
1225 #define GC_WINDOWP(x) GC_PSEUDOVECTORP (x, PVEC_WINDOW)
1226 #define SUBRP(x) PSEUDOVECTORP (x, PVEC_SUBR)
1227 #define GC_SUBRP(x) GC_PSEUDOVECTORP (x, PVEC_SUBR)
1228 #define COMPILEDP(x) PSEUDOVECTORP (x, PVEC_COMPILED)
1229 #define GC_COMPILEDP(x) GC_PSEUDOVECTORP (x, PVEC_COMPILED)
1230 #define BUFFERP(x) PSEUDOVECTORP (x, PVEC_BUFFER)
1231 #define GC_BUFFERP(x) GC_PSEUDOVECTORP (x, PVEC_BUFFER)
1232 #define CHAR_TABLE_P(x) PSEUDOVECTORP (x, PVEC_CHAR_TABLE)
1233 #define GC_CHAR_TABLE_P(x) GC_PSEUDOVECTORP (x, PVEC_CHAR_TABLE)
1234 #define BOOL_VECTOR_P(x) PSEUDOVECTORP (x, PVEC_BOOL_VECTOR)
1235 #define GC_BOOL_VECTOR_P(x) GC_PSEUDOVECTORP (x, PVEC_BOOL_VECTOR)
1236 #define FRAMEP(x) PSEUDOVECTORP (x, PVEC_FRAME)
1237 #define GC_FRAMEP(x) GC_PSEUDOVECTORP (x, PVEC_FRAME)
1239 #define SUB_CHAR_TABLE_P(x) (CHAR_TABLE_P (x) && NILP (XCHAR_TABLE (x)->top))
1241 #define EQ(x, y) (XFASTINT (x) == XFASTINT (y))
1242 #define GC_EQ(x, y) (XGCTYPE (x) == XGCTYPE (y) && XPNTR (x) == XPNTR (y))
1244 #define CHECK_LIST(x, i) \
1245 do { if (!CONSP ((x)) && !NILP (x)) x = wrong_type_argument (Qlistp, (x)); } while (0)
1247 #define CHECK_STRING(x, i) \
1248 do { if (!STRINGP ((x))) x = wrong_type_argument (Qstringp, (x)); } while (0)
1250 #define CHECK_CONS(x, i) \
1251 do { if (!CONSP ((x))) x = wrong_type_argument (Qconsp, (x)); } while (0)
1253 #define CHECK_SYMBOL(x, i) \
1254 do { if (!SYMBOLP ((x))) x = wrong_type_argument (Qsymbolp, (x)); } while (0)
1256 #define CHECK_CHAR_TABLE(x, i) \
1257 do { if (!CHAR_TABLE_P ((x))) \
1258 x = wrong_type_argument (Qchar_table_p, (x)); } while (0)
1260 #define CHECK_VECTOR(x, i) \
1261 do { if (!VECTORP ((x))) x = wrong_type_argument (Qvectorp, (x)); } while (0)
1263 #define CHECK_VECTOR_OR_CHAR_TABLE(x, i) \
1264 do { if (!VECTORP ((x)) && !CHAR_TABLE_P ((x))) \
1265 x = wrong_type_argument (Qvector_or_char_table_p, (x)); \
1268 #define CHECK_BUFFER(x, i) \
1269 do { if (!BUFFERP ((x))) x = wrong_type_argument (Qbufferp, (x)); } while (0)
1271 #define CHECK_WINDOW(x, i) \
1272 do { if (!WINDOWP ((x))) x = wrong_type_argument (Qwindowp, (x)); } while (0)
1274 /* This macro rejects windows on the interior of the window tree as
1275 "dead", which is what we want; this is an argument-checking macro, and
1276 the user should never get access to interior windows.
1278 A window of any sort, leaf or interior, is dead iff the buffer,
1279 vchild, and hchild members are all nil. */
1281 #define CHECK_LIVE_WINDOW(x, i) \
1283 if (!WINDOWP ((x)) \
1284 || NILP (XWINDOW ((x))->buffer)) \
1285 x = wrong_type_argument (Qwindow_live_p, (x)); \
1288 #define CHECK_PROCESS(x, i) \
1289 do { if (!PROCESSP ((x))) x = wrong_type_argument (Qprocessp, (x)); } while (0)
1291 #define CHECK_NUMBER(x, i) \
1292 do { if (!INTEGERP ((x))) x = wrong_type_argument (Qintegerp, (x)); } while (0)
1294 #define CHECK_NATNUM(x, i) \
1295 do { if (!NATNUMP (x)) x = wrong_type_argument (Qwholenump, (x)); } while (0)
1297 #define CHECK_MARKER(x, i) \
1298 do { if (!MARKERP ((x))) x = wrong_type_argument (Qmarkerp, (x)); } while (0)
1300 #define CHECK_NUMBER_COERCE_MARKER(x, i) \
1301 do { if (MARKERP ((x))) XSETFASTINT (x, marker_position (x)); \
1302 else if (!INTEGERP ((x))) x = wrong_type_argument (Qinteger_or_marker_p, (x)); } while (0)
1304 #ifdef LISP_FLOAT_TYPE
1306 #define XFLOATINT(n) extract_float((n))
1308 #define CHECK_FLOAT(x, i) \
1309 do { if (!FLOATP (x)) \
1310 x = wrong_type_argument (Qfloatp, (x)); } while (0)
1312 #define CHECK_NUMBER_OR_FLOAT(x, i) \
1313 do { if (!FLOATP (x) && !INTEGERP (x)) \
1314 x = wrong_type_argument (Qnumberp, (x)); } while (0)
1316 #define CHECK_NUMBER_OR_FLOAT_COERCE_MARKER(x, i) \
1317 do { if (MARKERP (x)) XSETFASTINT (x, marker_position (x)); \
1318 else if (!INTEGERP (x) && !FLOATP (x)) \
1319 x = wrong_type_argument (Qnumber_or_marker_p, (x)); } while (0)
1321 #else /* Not LISP_FLOAT_TYPE */
1323 #define CHECK_NUMBER_OR_FLOAT CHECK_NUMBER
1325 #define CHECK_NUMBER_OR_FLOAT_COERCE_MARKER CHECK_NUMBER_COERCE_MARKER
1327 #define XFLOATINT(n) XINT((n))
1328 #endif /* LISP_FLOAT_TYPE */
1330 #define CHECK_OVERLAY(x, i) \
1331 do { if (!OVERLAYP ((x))) x = wrong_type_argument (Qoverlayp, (x));} while (0)
1333 /* Cast pointers to this type to compare them. Some machines want int. */
1334 #ifndef PNTR_COMPARISON_TYPE
1335 #define PNTR_COMPARISON_TYPE unsigned int
1338 /* Define a built-in function for calling from Lisp.
1339 `lname' should be the name to give the function in Lisp,
1340 as a null-terminated C string.
1341 `fnname' should be the name of the function in C.
1342 By convention, it starts with F.
1343 `sname' should be the name for the C constant structure
1344 that records information on this function for internal use.
1345 By convention, it should be the same as `fnname' but with S instead of F.
1346 It's too bad that C macros can't compute this from `fnname'.
1347 `minargs' should be a number, the minimum number of arguments allowed.
1348 `maxargs' should be a number, the maximum number of arguments allowed,
1349 or else MANY or UNEVALLED.
1350 MANY means pass a vector of evaluated arguments,
1351 in the form of an integer number-of-arguments
1352 followed by the address of a vector of Lisp_Objects
1353 which contains the argument values.
1354 UNEVALLED means pass the list of unevaluated arguments
1355 `prompt' says how to read arguments for an interactive call.
1356 See the doc string for `interactive'.
1357 A null string means call interactively with no arguments.
1358 `doc' is documentation for the user. */
1360 #if !defined (__STDC__) || defined (USE_NONANSI_DEFUN)
1361 #define DEFUN(lname, fnname, sname, minargs, maxargs, prompt, doc) \
1362 Lisp_Object fnname (); \
1363 struct Lisp_Subr sname = \
1364 { PVEC_SUBR | (sizeof (struct Lisp_Subr) / sizeof (EMACS_INT)), \
1365 fnname, minargs, maxargs, lname, prompt, 0}; \
1370 /* This version of DEFUN declares a function prototype with the right
1371 arguments, so we can catch errors with maxargs at compile-time. */
1372 #define DEFUN(lname, fnname, sname, minargs, maxargs, prompt, doc) \
1373 Lisp_Object fnname DEFUN_ARGS_ ## maxargs ; \
1374 struct Lisp_Subr sname = \
1375 { PVEC_SUBR | (sizeof (struct Lisp_Subr) / sizeof (EMACS_INT)), \
1376 fnname, minargs, maxargs, lname, prompt, 0}; \
1379 /* Note that the weird token-substitution semantics of ANSI C makes
1380 this work for MANY and UNEVALLED. */
1381 #define DEFUN_ARGS_MANY (int, Lisp_Object *)
1382 #define DEFUN_ARGS_UNEVALLED (Lisp_Object)
1383 #define DEFUN_ARGS_0 (void)
1384 #define DEFUN_ARGS_1 (Lisp_Object)
1385 #define DEFUN_ARGS_2 (Lisp_Object, Lisp_Object)
1386 #define DEFUN_ARGS_3 (Lisp_Object, Lisp_Object, Lisp_Object)
1387 #define DEFUN_ARGS_4 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object)
1388 #define DEFUN_ARGS_5 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, \
1390 #define DEFUN_ARGS_6 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, \
1391 Lisp_Object, Lisp_Object)
1392 #define DEFUN_ARGS_7 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, \
1393 Lisp_Object, Lisp_Object, Lisp_Object)
1394 #define DEFUN_ARGS_8 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, \
1395 Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object)
1399 is how we define the symbol for function `name' at start-up time. */
1400 extern void defsubr
P_ ((struct Lisp_Subr
*));
1403 #define UNEVALLED -1
1405 extern void defvar_lisp
P_ ((char *, Lisp_Object
*));
1406 extern void defvar_lisp_nopro
P_ ((char *, Lisp_Object
*));
1407 extern void defvar_bool
P_ ((char *, int *));
1408 extern void defvar_int
P_ ((char *, int *));
1409 extern void defvar_per_buffer
P_ ((char *, Lisp_Object
*, Lisp_Object
, char *));
1410 extern void defvar_kboard
P_ ((char *, int));
1412 /* Macros we use to define forwarded Lisp variables.
1413 These are used in the syms_of_FILENAME functions. */
1415 #define DEFVAR_LISP(lname, vname, doc) defvar_lisp (lname, vname)
1416 #define DEFVAR_LISP_NOPRO(lname, vname, doc) defvar_lisp_nopro (lname, vname)
1417 #define DEFVAR_BOOL(lname, vname, doc) defvar_bool (lname, vname)
1418 #define DEFVAR_INT(lname, vname, doc) defvar_int (lname, vname)
1419 #define DEFVAR_PER_BUFFER(lname, vname, type, doc) \
1420 defvar_per_buffer (lname, vname, type, 0)
1421 #define DEFVAR_KBOARD(lname, vname, doc) \
1422 defvar_kboard (lname, \
1423 (int)((char *)(¤t_kboard->vname) \
1424 - (char *)current_kboard))
1426 /* Structure for recording Lisp call stack for backtrace purposes. */
1428 /* The special binding stack holds the outer values of variables while
1429 they are bound by a function application or a let form, stores the
1430 code to be executed for Lisp unwind-protect forms, and stores the C
1431 functions to be called for record_unwind_protect.
1433 If func is non-zero, undoing this binding applies func to old_value;
1434 This implements record_unwind_protect.
1435 If func is zero and symbol is nil, undoing this binding evaluates
1436 the list of forms in old_value; this implements Lisp's unwind-protect
1438 Otherwise, undoing this binding stores old_value as symbol's value; this
1439 undoes the bindings made by a let form or function call. */
1442 Lisp_Object symbol
, old_value
;
1443 Lisp_Object (*func
) P_ ((Lisp_Object
));
1444 Lisp_Object unused
; /* Dividing by 16 is faster than by 12 */
1447 extern struct specbinding
*specpdl
;
1448 extern struct specbinding
*specpdl_ptr
;
1449 extern int specpdl_size
;
1451 /* Everything needed to describe an active condition case. */
1454 /* The handler clauses and variable from the condition-case form. */
1455 Lisp_Object handler
;
1457 /* Fsignal stores here the condition-case clause that applies,
1458 and Fcondition_case thus knows which clause to run. */
1459 Lisp_Object chosen_clause
;
1461 /* Used to effect the longjump out to the handler. */
1462 struct catchtag
*tag
;
1464 /* The next enclosing handler. */
1465 struct handler
*next
;
1468 extern struct handler
*handlerlist
;
1470 extern struct catchtag
*catchlist
;
1471 extern struct backtrace
*backtrace_list
;
1473 extern Lisp_Object memory_signal_data
;
1475 /* An address near the bottom of the stack.
1476 Tells GC how to save a copy of the stack. */
1477 extern char *stack_bottom
;
1479 /* Check quit-flag and quit if it is non-nil. */
1482 if (!NILP (Vquit_flag) && NILP (Vinhibit_quit)) \
1483 { Vquit_flag = Qnil; Fsignal (Qquit, Qnil); }
1485 /* Nonzero if ought to quit now. */
1487 #define QUITP (!NILP (Vquit_flag) && NILP (Vinhibit_quit))
1489 /* Variables used locally in the following case handling macros. */
1490 extern int case_temp1
;
1491 extern Lisp_Object case_temp2
;
1493 /* Current buffer's map from characters to lower-case characters. */
1495 #define DOWNCASE_TABLE current_buffer->downcase_table
1497 /* Current buffer's map from characters to upper-case characters. */
1499 #define UPCASE_TABLE current_buffer->upcase_table
1501 /* Downcase a character, or make no change if that cannot be done. */
1503 #define DOWNCASE(CH) \
1504 ((case_temp1 = (CH), \
1505 case_temp2 = CHAR_TABLE_REF (DOWNCASE_TABLE, case_temp1), \
1506 NATNUMP (case_temp2)) \
1507 ? XFASTINT (case_temp2) : case_temp1)
1509 /* 1 if CH is upper case. */
1511 #define UPPERCASEP(CH) (DOWNCASE (CH) != (CH))
1513 /* 1 if CH is neither upper nor lower case. */
1515 #define NOCASEP(CH) (UPCASE1 (CH) == (CH))
1517 /* 1 if CH is lower case. */
1519 #define LOWERCASEP(CH) (!UPPERCASEP (CH) && !NOCASEP(CH))
1521 /* Upcase a character, or make no change if that cannot be done. */
1523 #define UPCASE(CH) (!UPPERCASEP (CH) ? UPCASE1 (CH) : (CH))
1525 /* Upcase a character known to be not upper case. */
1527 #define UPCASE1(CH) \
1528 ((case_temp1 = (CH), \
1529 case_temp2 = CHAR_TABLE_REF (UPCASE_TABLE, case_temp1), \
1530 NATNUMP (case_temp2)) \
1531 ? XFASTINT (case_temp2) : case_temp1)
1533 extern Lisp_Object Vascii_downcase_table
;
1535 /* Number of bytes of structure consed since last GC. */
1537 extern int consing_since_gc
;
1539 /* Threshold for doing another gc. */
1541 extern int gc_cons_threshold
;
1543 /* Structure for recording stack slots that need marking. */
1545 /* This is a chain of structures, each of which points at a Lisp_Object variable
1546 whose value should be marked in garbage collection.
1547 Normally every link of the chain is an automatic variable of a function,
1548 and its `val' points to some argument or local variable of the function.
1549 On exit to the function, the chain is set back to the value it had on entry.
1550 This way, no link remains in the chain when the stack frame containing the
1553 Every function that can call Feval must protect in this fashion all
1554 Lisp_Object variables whose contents will be used again. */
1556 extern struct gcpro
*gcprolist
;
1561 Lisp_Object
*var
; /* Address of first protected variable */
1562 int nvars
; /* Number of consecutive protected variables */
1565 #define GCPRO1(varname) \
1566 {gcpro1.next = gcprolist; gcpro1.var = &varname; gcpro1.nvars = 1; \
1567 gcprolist = &gcpro1; }
1569 #define GCPRO2(varname1, varname2) \
1570 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
1571 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
1572 gcprolist = &gcpro2; }
1574 #define GCPRO3(varname1, varname2, varname3) \
1575 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
1576 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
1577 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
1578 gcprolist = &gcpro3; }
1580 #define GCPRO4(varname1, varname2, varname3, varname4) \
1581 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
1582 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
1583 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
1584 gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \
1585 gcprolist = &gcpro4; }
1587 #define GCPRO5(varname1, varname2, varname3, varname4, varname5) \
1588 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
1589 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
1590 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
1591 gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \
1592 gcpro5.next = &gcpro4; gcpro5.var = &varname5; gcpro5.nvars = 1; \
1593 gcprolist = &gcpro5; }
1595 /* Call staticpro (&var) to protect static variable `var'. */
1597 void staticpro
P_ ((Lisp_Object
*));
1599 #define UNGCPRO (gcprolist = gcpro1.next)
1601 /* Evaluate expr, UNGCPRO, and then return the value of expr. */
1602 #define RETURN_UNGCPRO(expr) \
1605 Lisp_Object ret_ungc_val; \
1606 ret_ungc_val = (expr); \
1608 return ret_ungc_val; \
1612 /* Declare a Lisp-callable function. The MAXARGS parameter has the same
1613 meaning as in the DEFUN macro, and is used to construct a prototype. */
1614 #if !defined (__STDC__) || defined (USE_NONANSI_DEFUN)
1615 #define EXFUN(fnname, maxargs) \
1616 extern Lisp_Object fnname ()
1618 /* We can use the same trick as in the DEFUN macro to generate the
1619 appropriate prototype. */
1620 #define EXFUN(fnname, maxargs) \
1621 extern Lisp_Object fnname DEFUN_ARGS_ ## maxargs
1624 /* Forward declarations for prototypes. */
1628 /* Defined in data.c */
1629 extern Lisp_Object Qnil
, Qt
, Qquote
, Qlambda
, Qsubr
, Qunbound
;
1630 extern Lisp_Object Qerror_conditions
, Qerror_message
, Qtop_level
;
1631 extern Lisp_Object Qerror
, Qquit
, Qwrong_type_argument
, Qargs_out_of_range
;
1632 extern Lisp_Object Qvoid_variable
, Qvoid_function
;
1633 extern Lisp_Object Qsetting_constant
, Qinvalid_read_syntax
;
1634 extern Lisp_Object Qinvalid_function
, Qwrong_number_of_arguments
, Qno_catch
;
1635 extern Lisp_Object Qend_of_file
, Qarith_error
;
1636 extern Lisp_Object Qbeginning_of_buffer
, Qend_of_buffer
, Qbuffer_read_only
;
1637 extern Lisp_Object Qmark_inactive
;
1639 extern Lisp_Object Qrange_error
, Qdomain_error
, Qsingularity_error
;
1640 extern Lisp_Object Qoverflow_error
, Qunderflow_error
;
1642 extern Lisp_Object Qintegerp
, Qnumberp
, Qnatnump
, Qwholenump
;
1643 extern Lisp_Object Qsymbolp
, Qlistp
, Qconsp
;
1644 extern Lisp_Object Qstringp
, Qarrayp
, Qsequencep
, Qbufferp
;
1645 extern Lisp_Object Qchar_or_string_p
, Qmarkerp
, Qvectorp
;
1646 extern Lisp_Object Qinteger_or_marker_p
, Qnumber_or_marker_p
;
1647 extern Lisp_Object Qchar_table_p
, Qvector_or_char_table_p
;
1648 extern Lisp_Object Qboundp
, Qfboundp
;
1649 extern Lisp_Object Qbuffer_or_string_p
;
1650 extern Lisp_Object Qcdr
;
1652 #ifdef LISP_FLOAT_TYPE
1653 extern Lisp_Object Qfloatp
, Qinteger_or_floatp
, Qinteger_or_float_or_marker_p
;
1654 #endif /* LISP_FLOAT_TYPE */
1656 extern Lisp_Object Qframep
;
1664 EXFUN (Fintegerp
, 1);
1665 EXFUN (Fnatnump
, 1);
1666 EXFUN (Fsymbolp
, 1);
1667 EXFUN (Fvectorp
, 1);
1668 EXFUN (Fstringp
, 1);
1669 EXFUN (Fmultibyte_string_p
, 1);
1671 EXFUN (Fsequencep
, 1);
1672 EXFUN (Fbufferp
, 1);
1673 EXFUN (Fmarkerp
, 1);
1675 EXFUN (Fchar_or_string_p
, 1);
1676 EXFUN (Finteger_or_marker_p
, 1);
1677 #ifdef LISP_FLOAT_TYPE
1679 EXFUN (Finteger_or_floatp
, 1);
1680 EXFUN (Finteger_or_float_or_marker_p
, 1);
1681 #endif /* LISP_FLOAT_TYPE */
1684 EXFUN (Fcar_safe
, 1);
1686 EXFUN (Fcdr_safe
, 1);
1690 EXFUN (Ffboundp
, 1);
1691 EXFUN (Fmakunbound
, 1);
1692 EXFUN (Ffmakunbound
, 1);
1693 EXFUN (Fsymbol_function
, 1);
1694 EXFUN (Fsymbol_plist
, 1);
1695 EXFUN (Fsymbol_name
, 1);
1696 extern Lisp_Object indirect_function
P_ ((Lisp_Object
));
1697 EXFUN (Findirect_function
, 1);
1699 EXFUN (Fsetplist
, 2);
1700 EXFUN (Fsymbol_value
, 1);
1701 extern Lisp_Object find_symbol_value
P_ ((Lisp_Object
));
1703 EXFUN (Fdefault_value
, 1);
1704 EXFUN (Fset_default
, 2);
1705 EXFUN (Fdefault_boundp
, 1);
1706 EXFUN (Fmake_local_variable
, 1);
1707 EXFUN (Flocal_variable_p
, 2);
1708 EXFUN (Flocal_variable_if_set_p
, 2);
1713 EXFUN (Fstring_to_number
, 2);
1714 EXFUN (Fnumber_to_string
, 1);
1715 EXFUN (Feqlsign
, 2);
1722 EXFUN (Fplus
, MANY
);
1723 EXFUN (Fminus
, MANY
);
1724 EXFUN (Ftimes
, MANY
);
1729 EXFUN (Flogand
, MANY
);
1730 EXFUN (Flogior
, MANY
);
1731 EXFUN (Flogxor
, MANY
);
1739 extern Lisp_Object long_to_cons
P_ ((unsigned long));
1740 extern unsigned long cons_to_long
P_ ((Lisp_Object
));
1741 extern void args_out_of_range
P_ ((Lisp_Object
, Lisp_Object
));
1742 extern void args_out_of_range_3
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
));
1743 extern Lisp_Object wrong_type_argument
P_ ((Lisp_Object
, Lisp_Object
));
1744 extern void store_symval_forwarding
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
));
1745 extern Lisp_Object do_symval_forwarding
P_ ((Lisp_Object
));
1746 extern Lisp_Object set_internal
P_ ((Lisp_Object
, Lisp_Object
, int));
1747 extern void syms_of_data
P_ ((void));
1748 extern void init_data
P_ ((void));
1750 /* Defined in cmds.c */
1751 EXFUN (Fend_of_line
, 1);
1752 EXFUN (Fforward_char
, 1);
1753 EXFUN (Fforward_line
, 1);
1754 extern int forward_point
P_ ((int));
1755 extern int internal_self_insert
P_ ((int, int));
1756 extern void syms_of_cmds
P_ ((void));
1757 extern void keys_of_cmds
P_ ((void));
1759 /* Defined in coding.c */
1760 EXFUN (Fcoding_system_p
, 1);
1761 EXFUN (Fcheck_coding_system
, 1);
1762 EXFUN (Fread_coding_system
, 2);
1763 EXFUN (Fread_non_nil_coding_system
, 1);
1764 EXFUN (Ffind_operation_coding_system
, MANY
);
1765 EXFUN (Fencode_coding_string
, 3);
1766 EXFUN (Fdecode_coding_string
, 3);
1767 extern Lisp_Object detect_coding_system
P_ ((unsigned char *, int, int));
1768 extern void init_coding
P_ ((void));
1769 extern void init_coding_once
P_ ((void));
1770 extern void syms_of_coding
P_ ((void));
1772 /* Defined in charset.c */
1773 extern int nonascii_insert_offset
;
1774 extern Lisp_Object Vnonascii_translation_table
;
1775 EXFUN (Fchar_bytes
, 1);
1776 EXFUN (Fchar_width
, 1);
1777 extern int chars_in_text
P_ ((unsigned char *, int));
1778 extern int multibyte_chars_in_text
P_ ((unsigned char *, int));
1779 extern int unibyte_char_to_multibyte
P_ ((int));
1780 extern int multibyte_char_to_unibyte
P_ ((int, Lisp_Object
));
1781 extern Lisp_Object Qcharset
;
1782 extern void init_charset_once
P_ ((void));
1783 extern void syms_of_charset
P_ ((void));
1785 /* Defined in syntax.c */
1786 EXFUN (Fforward_word
, 1);
1787 EXFUN (Fskip_chars_forward
, 2);
1788 EXFUN (Fskip_chars_backward
, 2);
1789 EXFUN (Fsyntax_table_p
, 1);
1790 EXFUN (Fsyntax_table
, 0);
1791 EXFUN (Fset_syntax_table
, 1);
1792 extern void init_syntax_once
P_ ((void));
1793 extern void syms_of_syntax
P_ ((void));
1795 /* Defined in fns.c */
1796 extern Lisp_Object Qstring_lessp
;
1797 extern Lisp_Object Vfeatures
;
1798 unsigned sxhash
P_ ((Lisp_Object
, int));
1799 Lisp_Object make_hash_table
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
,
1800 Lisp_Object
, Lisp_Object
, Lisp_Object
,
1802 Lisp_Object copy_hash_table
P_ ((struct Lisp_Hash_Table
*));
1803 int hash_lookup
P_ ((struct Lisp_Hash_Table
*, Lisp_Object
, unsigned *));
1804 void hash_put
P_ ((struct Lisp_Hash_Table
*, Lisp_Object
, Lisp_Object
,
1806 void hash_remove
P_ ((struct Lisp_Hash_Table
*, Lisp_Object
));
1807 void hash_clear
P_ ((struct Lisp_Hash_Table
*));
1808 void remove_hash_entry
P_ ((struct Lisp_Hash_Table
*, int));
1810 EXFUN (Fmake_hash_table
, MANY
);
1811 EXFUN (Fcopy_hash_table
, 1);
1812 EXFUN (Fhash_table_count
, 1);
1813 EXFUN (Fhash_table_rehash_size
, 1);
1814 EXFUN (Fhash_table_rehash_threshold
, 1);
1815 EXFUN (Fhash_table_size
, 1);
1816 EXFUN (Fhash_table_test
, 1);
1817 EXFUN (Fhash_table_weak
, 1);
1818 EXFUN (Fhash_table_p
, 1);
1819 EXFUN (Fclrhash
, 1);
1820 EXFUN (Fgethash
, 3);
1821 EXFUN (Fputhash
, 3);
1822 EXFUN (Fremhash
, 2);
1823 EXFUN (Fmaphash
, 2);
1824 EXFUN (Fdefine_hash_table_test
, 3);
1826 EXFUN (Fidentity
, 1);
1829 EXFUN (Fsafe_length
, 1);
1830 EXFUN (Fappend
, MANY
);
1831 EXFUN (Fconcat
, MANY
);
1832 EXFUN (Fvconcat
, MANY
);
1833 EXFUN (Fcopy_sequence
, 1);
1834 EXFUN (Fstring_make_multibyte
, 1);
1835 EXFUN (Fstring_make_unibyte
, 1);
1836 EXFUN (Fstring_as_multibyte
, 1);
1837 EXFUN (Fstring_as_unibyte
, 1);
1838 EXFUN (Fsubstring
, 3);
1839 extern Lisp_Object substring_both
P_ ((Lisp_Object
, int, int, int, int));
1850 EXFUN (Freverse
, 1);
1851 EXFUN (Fnreverse
, 1);
1855 EXFUN (Ffillarray
, 2);
1856 EXFUN (Fnconc
, MANY
);
1858 EXFUN (Fmapconcat
, 3);
1859 EXFUN (Fy_or_n_p
, 1);
1860 extern Lisp_Object do_yes_or_no_p
P_ ((Lisp_Object
));
1861 EXFUN (Ffeaturep
, 1);
1862 EXFUN (Frequire
, 3);
1863 EXFUN (Fprovide
, 1);
1864 extern Lisp_Object concat2
P_ ((Lisp_Object
, Lisp_Object
));
1865 extern Lisp_Object concat3
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
));
1866 extern Lisp_Object nconc2
P_ ((Lisp_Object
, Lisp_Object
));
1867 extern Lisp_Object assq_no_quit
P_ ((Lisp_Object
, Lisp_Object
));
1868 extern void clear_string_char_byte_cache
P_ (());
1869 extern int string_char_to_byte
P_ ((Lisp_Object
, int));
1870 extern int string_byte_to_char
P_ ((Lisp_Object
, int));
1871 extern Lisp_Object string_make_multibyte
P_ ((Lisp_Object
));
1872 extern Lisp_Object string_make_unibyte
P_ ((Lisp_Object
));
1873 EXFUN (Fcopy_alist
, 1);
1874 EXFUN (Fplist_get
, 2);
1875 EXFUN (Fplist_put
, 3);
1876 EXFUN (Fset_char_table_parent
, 2);
1877 EXFUN (Fchar_table_extra_slot
, 2);
1878 EXFUN (Fset_char_table_extra_slot
, 3);
1880 EXFUN (Fstring_equal
, 2);
1881 EXFUN (Fcompare_strings
, 7);
1882 EXFUN (Fstring_lessp
, 2);
1883 extern int char_table_translate
P_ ((Lisp_Object
, int));
1884 extern void map_char_table
P_ ((void (*) (Lisp_Object
, Lisp_Object
, Lisp_Object
),
1885 Lisp_Object
, Lisp_Object
, Lisp_Object
, int,
1887 extern void syms_of_fns
P_ ((void));
1889 /* Defined in floatfns.c */
1890 #ifdef LISP_FLOAT_TYPE
1891 extern double extract_float
P_ ((Lisp_Object
));
1893 #endif /* LISP_FLOAT_TYPE */
1894 EXFUN (Ftruncate
, 2);
1895 extern void init_floatfns
P_ ((void));
1896 extern void syms_of_floatfns
P_ ((void));
1898 /* Defined in insdel.c */
1899 extern void move_gap
P_ ((int));
1900 extern void move_gap_both
P_ ((int, int));
1901 extern void make_gap
P_ ((int));
1902 extern int copy_text
P_ ((unsigned char *, unsigned char *, int, int, int));
1903 extern int count_size_as_multibyte
P_ ((unsigned char *, int));
1904 extern int count_combining_before
P_ ((unsigned char *, int, int, int));
1905 extern int count_combining_after
P_ ((unsigned char *, int, int, int));
1906 extern void insert
P_ ((unsigned char *, int));
1907 extern void insert_and_inherit
P_ ((unsigned char *, int));
1908 extern void insert_1
P_ ((unsigned char *, int, int, int, int));
1909 extern void insert_1_both
P_ ((unsigned char *, int, int, int, int, int));
1910 extern void insert_from_string
P_ ((Lisp_Object
, int, int, int, int, int));
1911 extern void insert_from_buffer
P_ ((struct buffer
*, int, int, int));
1912 extern void insert_char
P_ ((int));
1913 extern void insert_string
P_ ((char *));
1914 extern void insert_before_markers
P_ ((unsigned char *, int));
1915 extern void insert_before_markers_and_inherit
P_ ((unsigned char *, int));
1916 extern void insert_from_string_before_markers
P_ ((Lisp_Object
, int, int, int, int, int));
1917 extern void del_range
P_ ((int, int));
1918 extern void del_range_1
P_ ((int, int, int));
1919 extern void del_range_byte
P_ ((int, int, int));
1920 extern void del_range_both
P_ ((int, int, int, int, int));
1921 extern void del_range_2
P_ ((int, int, int, int));
1922 extern void modify_region
P_ ((struct buffer
*, int, int));
1923 extern void prepare_to_modify_buffer
P_ ((int, int, int *));
1924 extern void signal_before_change
P_ ((int, int, int *));
1925 extern void signal_after_change
P_ ((int, int, int));
1926 extern void adjust_after_replace
P_ ((int, int, Lisp_Object
, int, int));
1927 extern void adjust_after_insert
P_ ((int, int, int, int, int));
1928 extern void replace_range
P_ ((int, int, Lisp_Object
, int, int, int));
1929 extern void syms_of_insdel
P_ ((void));
1931 /* Defined in dispnew.c */
1932 extern Lisp_Object selected_frame
;
1934 EXFUN (Fredraw_frame
, 1);
1935 EXFUN (Fredraw_display
, 0);
1936 EXFUN (Fsleep_for
, 2);
1937 EXFUN (Fsit_for
, 3);
1938 extern Lisp_Object sit_for
P_ ((int, int, int, int, int));
1939 extern void init_display
P_ ((void));
1940 extern void syms_of_display
P_ ((void));
1942 /* Defined in xdisp.c */
1943 extern Lisp_Object Qinhibit_redisplay
;
1944 extern Lisp_Object Vmessage_log_max
;
1945 extern int message_enable_multibyte
;
1946 extern Lisp_Object echo_area_buffer
[2];
1947 extern void setup_echo_area_for_printing
P_ ((int));
1948 extern int push_message
P_ ((void));
1949 extern void pop_message
P_ ((void));
1950 extern void restore_message
P_ ((void));
1951 extern Lisp_Object current_message
P_ ((void));
1952 extern void set_message
P_ ((char *s
, Lisp_Object
, int, int));
1953 extern void clear_message
P_ ((int, int));
1954 extern void message
P_ ((/* char *, ... */));
1955 extern void message_nolog
P_ ((/* char *, ... */));
1956 extern void message1
P_ ((char *));
1957 extern void message1_nolog
P_ ((char *));
1958 extern void message2
P_ ((char *, int, int));
1959 extern void message2_nolog
P_ ((char *, int, int));
1960 extern void message3
P_ ((Lisp_Object
, int, int));
1961 extern void message3_nolog
P_ ((Lisp_Object
, int, int));
1962 extern void message_dolog
P_ ((char *, int, int, int));
1963 extern void message_with_string
P_ ((char *, Lisp_Object
, int));
1964 extern void message_log_maybe_newline
P_ ((void));
1965 extern void update_echo_area
P_ ((void));
1966 extern void truncate_echo_area
P_ ((int));
1967 extern void redisplay
P_ ((void));
1968 extern void redisplay_preserve_echo_area
P_ ((void));
1969 extern void mark_window_display_accurate
P_ ((Lisp_Object
, int));
1970 extern int invisible_p
P_ ((Lisp_Object
, Lisp_Object
));
1971 extern void prepare_menu_bars
P_ ((void));
1972 extern void syms_of_xdisp
P_ ((void));
1973 extern void init_xdisp
P_ ((void));
1975 /* Defined in alloc.c */
1976 extern void malloc_warning
P_ ((char *));
1977 extern void memory_full
P_ ((void));
1978 extern void buffer_memory_full
P_ ((void));
1979 extern int survives_gc_p
P_ ((Lisp_Object
));
1980 extern void mark_object
P_ ((Lisp_Object
*));
1981 extern Lisp_Object Vpurify_flag
;
1987 EXFUN (Flist
, MANY
);
1988 EXFUN (Fmake_list
, 2);
1989 extern Lisp_Object allocate_misc
P_ ((void));
1990 EXFUN (Fmake_vector
, 2);
1991 EXFUN (Fvector
, MANY
);
1992 EXFUN (Fmake_symbol
, 1);
1993 EXFUN (Fmake_marker
, 0);
1994 EXFUN (Fmake_string
, 2);
1995 extern Lisp_Object build_string
P_ ((char *));
1996 extern Lisp_Object make_string
P_ ((char *, int));
1997 extern Lisp_Object make_unibyte_string
P_ ((char *, int));
1998 extern Lisp_Object make_multibyte_string
P_ ((char *, int, int));
1999 extern Lisp_Object make_event_array
P_ ((int, Lisp_Object
*));
2000 extern Lisp_Object make_uninit_string
P_ ((int));
2001 extern Lisp_Object make_uninit_multibyte_string
P_ ((int, int));
2002 extern Lisp_Object make_string_from_bytes
P_ ((char *, int, int));
2003 extern Lisp_Object make_specified_string
P_ ((char *, int, int, int));
2004 EXFUN (Fpurecopy
, 1);
2005 extern Lisp_Object make_pure_string
P_ ((char *, int, int, int));
2006 extern Lisp_Object pure_cons
P_ ((Lisp_Object
, Lisp_Object
));
2007 extern Lisp_Object make_pure_vector
P_ ((EMACS_INT
));
2008 EXFUN (Fgarbage_collect
, 0);
2009 EXFUN (Fmake_byte_code
, MANY
);
2010 EXFUN (Fmake_bool_vector
, 2);
2011 EXFUN (Fmake_char_table
, 2);
2012 extern Lisp_Object make_sub_char_table
P_ ((Lisp_Object
));
2013 extern Lisp_Object Qchar_table_extra_slots
;
2014 extern struct Lisp_Vector
*allocate_vectorlike
P_ ((EMACS_INT
));
2015 extern int gc_in_progress
;
2016 #ifdef LISP_FLOAT_TYPE
2017 extern Lisp_Object make_float
P_ ((double));
2018 #endif /* LISP_FLOAT_TYPE */
2019 extern void display_malloc_warning
P_ ((void));
2020 extern int inhibit_garbage_collection
P_ ((void));
2021 extern void free_marker
P_ ((Lisp_Object
));
2022 extern void free_cons
P_ ((struct Lisp_Cons
*));
2023 extern void init_alloc_once
P_ ((void));
2024 extern void init_alloc
P_ ((void));
2025 extern void syms_of_alloc
P_ ((void));
2027 /* Defined in print.c */
2028 extern Lisp_Object Vprin1_to_string_buffer
;
2030 EXFUN (Fprin1_to_string
, 2);
2034 EXFUN (Ferror_message_string
, 1);
2035 extern Lisp_Object Vstandard_output
, Qstandard_output
;
2036 extern Lisp_Object Qexternal_debugging_output
;
2037 extern void temp_output_buffer_setup
P_ ((char *));
2038 extern int print_level
, print_escape_newlines
;
2039 extern Lisp_Object Qprint_escape_newlines
;
2040 extern void write_string
P_ ((char *, int));
2041 extern void write_string_1
P_ ((char *, int, Lisp_Object
));
2042 extern void print_error_message
P_ ((Lisp_Object
, Lisp_Object
));
2043 extern Lisp_Object internal_with_output_to_temp_buffer
2044 P_ ((char *, Lisp_Object (*) (Lisp_Object
), Lisp_Object
));
2045 extern void float_to_string
P_ ((unsigned char *, double));
2046 extern void syms_of_print
P_ ((void));
2048 /* Defined in doprnt.c */
2049 extern int doprnt
P_ ((char *, int, char *, char *, int, char **));
2050 extern int doprnt_lisp
P_ ((char *, int, char *, char *, int, char **));
2052 /* Defined in lread.c */
2053 extern Lisp_Object Qvariable_documentation
, Qstandard_input
;
2054 extern Lisp_Object Vobarray
, initial_obarray
, Vstandard_input
;
2056 EXFUN (Fread_from_string
, 3);
2058 EXFUN (Fintern_soft
, 2);
2060 EXFUN (Fget_file_char
, 0);
2061 EXFUN (Fread_char
, 2);
2062 EXFUN (Fread_event
, 2);
2063 extern Lisp_Object read_filtered_event
P_ ((int, int, int, int));
2064 EXFUN (Feval_region
, 4);
2065 extern Lisp_Object intern
P_ ((char *));
2066 extern Lisp_Object make_symbol
P_ ((char *));
2067 extern Lisp_Object oblookup
P_ ((Lisp_Object
, char *, int, int));
2068 #define LOADHIST_ATTACH(x) \
2069 if (initialized) Vcurrent_load_list = Fcons (x, Vcurrent_load_list)
2070 extern Lisp_Object Vcurrent_load_list
;
2071 extern Lisp_Object Vload_history
;
2072 extern int openp
P_ ((Lisp_Object
, Lisp_Object
, char *, Lisp_Object
*, int));
2073 extern int isfloat_string
P_ ((char *));
2074 extern void map_obarray
P_ ((Lisp_Object
, void (*) (Lisp_Object
, Lisp_Object
),
2076 extern void dir_warning
P_ ((char *, Lisp_Object
));
2077 extern void close_load_descs
P_ ((void));
2078 extern void init_obarray
P_ ((void));
2079 extern void init_lread
P_ ((void));
2080 extern void syms_of_lread
P_ ((void));
2082 /* Defined in eval.c */
2083 extern Lisp_Object Qautoload
, Qexit
, Qinteractive
, Qcommandp
, Qdefun
, Qmacro
;
2084 extern Lisp_Object Vinhibit_quit
, Qinhibit_quit
, Vquit_flag
;
2085 extern Lisp_Object Vmocklisp_arguments
, Qmocklisp
, Qmocklisp_arguments
;
2086 extern Lisp_Object Vautoload_queue
;
2087 extern Lisp_Object Vdebug_on_error
;
2088 /* To run a normal hook, use the appropriate function from the list below.
2089 The calling convention:
2091 if (!NILP (Vrun_hooks))
2092 call1 (Vrun_hooks, Qmy_funny_hook);
2094 should no longer be used. */
2095 extern Lisp_Object Vrun_hooks
;
2096 EXFUN (Frun_hooks
, MANY
);
2097 EXFUN (Frun_hook_with_args
, MANY
);
2098 EXFUN (Frun_hook_with_args_until_success
, MANY
);
2099 EXFUN (Frun_hook_with_args_until_failure
, MANY
);
2100 extern Lisp_Object run_hook_list_with_args
P_ ((Lisp_Object
, int, Lisp_Object
*));
2101 extern void run_hook_with_args_2
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
));
2102 EXFUN (Fand
, UNEVALLED
);
2103 EXFUN (For
, UNEVALLED
);
2104 EXFUN (Fif
, UNEVALLED
);
2105 EXFUN (Fprogn
, UNEVALLED
);
2106 EXFUN (Fprog1
, UNEVALLED
);
2107 EXFUN (Fprog2
, UNEVALLED
);
2108 EXFUN (Fsetq
, UNEVALLED
);
2109 EXFUN (Fquote
, UNEVALLED
);
2110 EXFUN (Fuser_variable_p
, 1);
2111 EXFUN (Finteractive_p
, 0);
2112 EXFUN (Fdefun
, UNEVALLED
);
2113 EXFUN (Flet
, UNEVALLED
);
2114 EXFUN (FletX
, UNEVALLED
);
2115 EXFUN (Fwhile
, UNEVALLED
);
2116 EXFUN (Fcatch
, UNEVALLED
);
2118 EXFUN (Funwind_protect
, UNEVALLED
);
2119 EXFUN (Fcondition_case
, UNEVALLED
);
2121 EXFUN (Fautoload
, 5);
2122 EXFUN (Fcommandp
, 1);
2124 EXFUN (Fapply
, MANY
);
2125 EXFUN (Ffuncall
, MANY
);
2126 EXFUN (Fbacktrace
, 0);
2127 extern Lisp_Object apply1
P_ ((Lisp_Object
, Lisp_Object
));
2128 extern Lisp_Object call0
P_ ((Lisp_Object
));
2129 extern Lisp_Object call1
P_ ((Lisp_Object
, Lisp_Object
));
2130 extern Lisp_Object call2
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
));
2131 extern Lisp_Object call3
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
));
2132 extern Lisp_Object call4
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
));
2133 extern Lisp_Object call5
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
));
2134 extern Lisp_Object call6
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
));
2135 EXFUN (Fdo_auto_save
, 2);
2136 extern Lisp_Object apply_lambda
P_ ((Lisp_Object
, Lisp_Object
, int));
2137 extern Lisp_Object internal_catch
P_ ((Lisp_Object
, Lisp_Object (*) (Lisp_Object
), Lisp_Object
));
2138 extern Lisp_Object internal_condition_case
P_ ((Lisp_Object (*) (void), Lisp_Object
, Lisp_Object (*) (Lisp_Object
)));
2139 extern Lisp_Object internal_condition_case_1
P_ ((Lisp_Object (*) (Lisp_Object
), Lisp_Object
, Lisp_Object
, Lisp_Object (*) (Lisp_Object
)));
2140 extern void specbind
P_ ((Lisp_Object
, Lisp_Object
));
2141 extern void record_unwind_protect
P_ ((Lisp_Object (*) (Lisp_Object
), Lisp_Object
));
2142 extern Lisp_Object unbind_to
P_ ((int, Lisp_Object
));
2143 extern void error
P_ ((/* char *, ... */));
2144 extern void do_autoload
P_ ((Lisp_Object
, Lisp_Object
));
2145 extern Lisp_Object un_autoload
P_ ((Lisp_Object
));
2146 EXFUN (Ffetch_bytecode
, 1);
2147 extern void init_eval_once
P_ ((void));
2148 extern void init_eval
P_ ((void));
2149 extern void syms_of_eval
P_ ((void));
2151 /* Defined in editfns.c */
2152 EXFUN (Fcurrent_message
, 0);
2153 EXFUN (Fgoto_char
, 1);
2154 EXFUN (Fpoint_min_marker
, 0);
2155 EXFUN (Fpoint_max_marker
, 0);
2156 EXFUN (Fpoint_min
, 0);
2157 EXFUN (Fpoint_max
, 0);
2159 EXFUN (Fpoint_marker
, 0);
2160 EXFUN (Fmark_marker
, 0);
2161 EXFUN (Fline_beginning_position
, 1);
2162 EXFUN (Fline_end_position
, 1);
2163 EXFUN (Ffollowing_char
, 0);
2164 EXFUN (Fprevious_char
, 0);
2165 EXFUN (Fchar_after
, 1);
2166 EXFUN (Finsert
, MANY
);
2167 EXFUN (Finsert_and_inherit
, MANY
);
2168 EXFUN (Finsert_before_markers
, MANY
);
2169 EXFUN (Finsert_buffer_substring
, 3);
2170 EXFUN (Finsert_char
, 3);
2171 extern void insert1
P_ ((Lisp_Object
));
2176 EXFUN (Fformat
, MANY
);
2177 EXFUN (Fmessage
, MANY
);
2178 extern Lisp_Object format1
P_ ((/* char *, ... */));
2179 extern Lisp_Object make_buffer_string
P_ ((int, int, int));
2180 EXFUN (Fbuffer_substring
, 2);
2181 EXFUN (Fbuffer_string
, 0);
2182 extern Lisp_Object save_excursion_save
P_ ((void));
2183 extern Lisp_Object save_restriction_save
P_ ((void));
2184 extern Lisp_Object save_excursion_restore
P_ ((Lisp_Object
));
2185 extern Lisp_Object save_restriction_restore
P_ ((Lisp_Object
));
2186 EXFUN (Fchar_to_string
, 1);
2187 EXFUN (Fdelete_region
, 2);
2188 EXFUN (Fnarrow_to_region
, 2);
2190 EXFUN (Fuser_login_name
, 1);
2191 EXFUN (Fsystem_name
, 0);
2192 EXFUN (Fcurrent_time
, 0);
2193 extern int clip_to_bounds
P_ ((int, int, int));
2194 extern Lisp_Object make_buffer_string
P_ ((int, int, int));
2195 extern Lisp_Object make_buffer_string_both
P_ ((int, int, int, int, int));
2196 extern void init_editfns
P_ ((void));
2197 extern void syms_of_editfns
P_ ((void));
2199 /* defined in buffer.c */
2200 extern void nsberror
P_ ((Lisp_Object
));
2201 EXFUN (Fset_buffer_multibyte
, 1);
2202 EXFUN (Foverlay_start
, 1);
2203 EXFUN (Foverlay_end
, 1);
2204 extern void adjust_overlays_for_insert
P_ ((int, int));
2205 extern void adjust_overlays_for_delete
P_ ((int, int));
2206 extern void fix_overlays_in_range
P_ ((int, int));
2207 extern void report_overlay_modification
P_ ((Lisp_Object
, Lisp_Object
, int,
2208 Lisp_Object
, Lisp_Object
, Lisp_Object
));
2209 extern int overlay_touches_p
P_ ((int));
2210 extern Lisp_Object Vbuffer_alist
, Vinhibit_read_only
;
2211 EXFUN (Fget_buffer
, 1);
2212 EXFUN (Fget_buffer_create
, 1);
2213 EXFUN (Fset_buffer
, 1);
2214 EXFUN (set_buffer_if_live
, 1);
2215 EXFUN (Fbarf_if_buffer_read_only
, 0);
2216 EXFUN (Fcurrent_buffer
, 0);
2217 EXFUN (Fswitch_to_buffer
, 2);
2218 EXFUN (Fpop_to_buffer
, 3);
2219 EXFUN (Fother_buffer
, 3);
2220 EXFUN (Foverlay_get
, 2);
2221 EXFUN (Fbuffer_modified_p
, 1);
2222 EXFUN (Fset_buffer_modified_p
, 1);
2223 EXFUN (Fkill_buffer
, 1);
2224 EXFUN (Fkill_all_local_variables
, 0);
2225 EXFUN (Fbuffer_disable_undo
, 1);
2226 EXFUN (Fbuffer_enable_undo
, 1);
2227 EXFUN (Ferase_buffer
, 0);
2228 extern Lisp_Object Qoverlayp
;
2229 extern Lisp_Object get_truename_buffer
P_ ((Lisp_Object
));
2230 extern struct buffer
*all_buffers
;
2231 EXFUN (Fprevious_overlay_change
, 1);
2232 extern void init_buffer_once
P_ ((void));
2233 extern void init_buffer
P_ ((void));
2234 extern void syms_of_buffer
P_ ((void));
2235 extern void keys_of_buffer
P_ ((void));
2237 /* defined in marker.c */
2239 EXFUN (Fmarker_position
, 1);
2240 EXFUN (Fmarker_buffer
, 1);
2241 EXFUN (Fcopy_marker
, 2);
2242 EXFUN (Fset_marker
, 3);
2243 extern int marker_position
P_ ((Lisp_Object
));
2244 extern int marker_byte_position
P_ ((Lisp_Object
));
2245 extern void clear_charpos_cache
P_ ((struct buffer
*));
2246 extern int charpos_to_bytepos
P_ ((int));
2247 extern int buf_charpos_to_bytepos
P_ ((struct buffer
*, int));
2248 extern int buf_bytepos_to_charpos
P_ ((struct buffer
*, int));
2249 extern void unchain_marker
P_ ((Lisp_Object
));
2250 extern Lisp_Object set_marker_restricted
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
));
2251 extern Lisp_Object set_marker_both
P_ ((Lisp_Object
, Lisp_Object
, int, int));
2252 extern Lisp_Object set_marker_restricted_both
P_ ((Lisp_Object
, Lisp_Object
,
2254 extern void syms_of_marker
P_ ((void));
2256 /* Defined in fileio.c */
2258 extern Lisp_Object Qfile_error
;
2259 EXFUN (Ffind_file_name_handler
, 2);
2260 EXFUN (Ffile_name_as_directory
, 1);
2261 EXFUN (Fmake_temp_name
, 1);
2262 EXFUN (Fexpand_file_name
, 2);
2263 EXFUN (Ffile_name_nondirectory
, 1);
2264 EXFUN (Fsubstitute_in_file_name
, 1);
2265 EXFUN (Ffile_symlink_p
, 1);
2266 EXFUN (Fverify_visited_file_modtime
, 1);
2267 EXFUN (Ffile_exists_p
, 1);
2268 EXFUN (Ffile_name_absolute_p
, 1);
2269 EXFUN (Fdirectory_file_name
, 1);
2270 EXFUN (Ffile_name_directory
, 1);
2271 extern Lisp_Object expand_and_dir_to_file
P_ ((Lisp_Object
, Lisp_Object
));
2272 EXFUN (Ffile_accessible_directory_p
, 1);
2273 EXFUN (Funhandled_file_name_directory
, 1);
2274 EXFUN (Ffile_directory_p
, 1);
2275 EXFUN (Fwrite_region
, 7);
2276 EXFUN (Ffile_readable_p
, 1);
2277 EXFUN (Ffile_executable_p
, 1);
2278 EXFUN (Fread_file_name
, 5);
2279 extern void report_file_error
P_ ((char *, Lisp_Object
));
2280 extern int internal_delete_file
P_ ((Lisp_Object
));
2281 extern void syms_of_fileio
P_ ((void));
2283 /* Defined in abbrev.c */
2285 extern Lisp_Object Vfundamental_mode_abbrev_table
;
2286 extern void syms_of_abbrev
P_ ((void));
2288 /* defined in search.c */
2289 EXFUN (Fstring_match
, 3);
2290 extern void restore_match_data
P_ ((void));
2291 EXFUN (Fmatch_data
, 2);
2292 EXFUN (Fset_match_data
, 1);
2293 EXFUN (Fmatch_beginning
, 1);
2294 EXFUN (Fmatch_end
, 1);
2295 extern int fast_string_match
P_ ((Lisp_Object
, Lisp_Object
));
2296 extern int fast_c_string_match_ignore_case
P_ ((Lisp_Object
, char *));
2297 extern int scan_buffer
P_ ((int, int, int, int, int *, int));
2298 extern int scan_newline
P_ ((int, int, int, int, int, int));
2299 extern int find_next_newline
P_ ((int, int));
2300 extern int find_next_newline_no_quit
P_ ((int, int));
2301 extern int find_before_next_newline
P_ ((int, int, int));
2302 extern void syms_of_search
P_ ((void));
2304 /* defined in minibuf.c */
2306 extern Lisp_Object last_minibuf_string
;
2307 extern void choose_minibuf_frame
P_ ((void));
2308 extern int scmp
P_ ((unsigned char *, unsigned char *, int));
2309 EXFUN (Fcompleting_read
, 8);
2310 EXFUN (Fread_from_minibuffer
, 7);
2311 EXFUN (Fread_variable
, 2);
2312 EXFUN (Fread_buffer
, 3);
2313 EXFUN (Fread_minibuffer
, 2);
2314 EXFUN (Feval_minibuffer
, 2);
2315 EXFUN (Fread_string
, 5);
2316 EXFUN (Fread_no_blanks_input
, 3);
2317 extern Lisp_Object get_minibuffer
P_ ((int));
2318 extern void temp_echo_area_glyphs
P_ ((char *));
2319 extern void init_minibuf_once
P_ ((void));
2320 extern void syms_of_minibuf
P_ ((void));
2321 extern void keys_of_minibuf
P_ ((void));
2323 /* Defined in callint.c */
2325 extern Lisp_Object Qminus
, Qplus
, Vcurrent_prefix_arg
;
2326 extern Lisp_Object Vcommand_history
;
2327 extern Lisp_Object Qcall_interactively
, Qmouse_leave_buffer_hook
;
2328 EXFUN (Fcall_interactively
, 3);
2329 EXFUN (Fprefix_numeric_value
, 1);
2330 extern void syms_of_callint
P_ ((void));
2332 /* defined in casefiddle.c */
2334 EXFUN (Fdowncase
, 1);
2336 EXFUN (Fcapitalize
, 1);
2337 EXFUN (Fupcase_region
, 2);
2338 EXFUN (Fupcase_initials
, 1);
2339 EXFUN (Fupcase_initials_region
, 2);
2340 extern void syms_of_casefiddle
P_ ((void));
2341 extern void keys_of_casefiddle
P_ ((void));
2343 /* defined in casetab.c */
2345 EXFUN (Fset_case_table
, 1);
2346 EXFUN (Fset_standard_case_table
, 1);
2347 extern void init_casetab_once
P_ ((void));
2348 extern void syms_of_casetab
P_ ((void));
2350 /* defined in keyboard.c */
2352 extern Lisp_Object Qdisabled
;
2353 extern Lisp_Object Vtty_erase_char
, Vhelp_form
, Vtop_level
;
2354 EXFUN (Fdiscard_input
, 0);
2355 EXFUN (Frecursive_edit
, 0);
2356 EXFUN (Fcommand_execute
, 4);
2357 EXFUN (Finput_pending_p
, 0);
2358 extern Lisp_Object menu_bar_items
P_ ((Lisp_Object
));
2359 extern Lisp_Object tool_bar_items
P_ ((Lisp_Object
, int *));
2360 extern Lisp_Object Qvertical_scroll_bar
;
2361 extern void discard_mouse_events ();
2362 EXFUN (Fevent_convert_list
, 1);
2363 EXFUN (Fread_key_sequence
, 5);
2364 EXFUN (Fset_input_mode
, 4);
2365 extern int detect_input_pending
P_ ((void));
2366 extern int detect_input_pending_run_timers
P_ ((int));
2367 extern void safe_run_hooks
P_ ((Lisp_Object
));
2368 extern void cmd_error_internal
P_ ((Lisp_Object
, char *));
2369 extern Lisp_Object command_loop_1
P_ ((void));
2370 extern Lisp_Object recursive_edit_1
P_ ((void));
2371 extern void record_auto_save
P_ ((void));
2372 extern void init_keyboard
P_ ((void));
2373 extern void syms_of_keyboard
P_ ((void));
2374 extern void keys_of_keyboard
P_ ((void));
2376 /* defined in keymap.c */
2378 extern Lisp_Object Qkeymap
, Qmenu_bar
;
2379 extern Lisp_Object current_global_map
;
2380 EXFUN (Fmake_sparse_keymap
, 1);
2381 EXFUN (Fcopy_keymap
, 1);
2382 EXFUN (Fdefine_key
, 3);
2383 EXFUN (Flookup_key
, 3);
2384 EXFUN (Fkey_binding
, 2);
2385 EXFUN (Fkey_description
, 1);
2386 EXFUN (Fsingle_key_description
, 1);
2387 EXFUN (Fwhere_is_internal
, 4);
2388 extern Lisp_Object access_keymap
P_ ((Lisp_Object
, Lisp_Object
, int, int));
2389 extern Lisp_Object store_in_keymap
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
));
2390 extern Lisp_Object get_keyelt
P_ ((Lisp_Object
, int));
2391 extern Lisp_Object get_keymap
P_ ((Lisp_Object
));
2392 extern Lisp_Object get_keymap_1
P_ ((Lisp_Object
, int, int));
2393 extern void describe_vector
P_ ((Lisp_Object
, Lisp_Object
,
2394 void (*) (Lisp_Object
), int,
2395 Lisp_Object
, Lisp_Object
, int *, int));
2396 extern void describe_map_tree
P_ ((Lisp_Object
, int, Lisp_Object
, Lisp_Object
,
2397 char *, int, int, int));
2398 extern int current_minor_maps
P_ ((Lisp_Object
**, Lisp_Object
**));
2399 extern void initial_define_key
P_ ((Lisp_Object
, int, char *));
2400 extern void initial_define_lispy_key
P_ ((Lisp_Object
, char *, char *));
2401 extern void fix_submap_inheritance
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
));
2402 extern void syms_of_keymap
P_ ((void));
2403 extern void keys_of_keymap
P_ ((void));
2405 /* defined in indent.c */
2406 EXFUN (Fvertical_motion
, 2);
2407 EXFUN (Findent_to
, 2);
2408 EXFUN (Fcurrent_column
, 0);
2409 EXFUN (Fmove_to_column
, 2);
2410 extern int current_column
P_ ((void));
2411 extern void invalidate_current_column
P_ ((void));
2412 extern int indented_beyond_p
P_ ((int, int, int));
2413 extern void syms_of_indent
P_ ((void));
2415 /* defined in window.c */
2416 extern Lisp_Object Qwindowp
, Qwindow_live_p
;
2417 EXFUN (Fwindow_end
, 2);
2418 EXFUN (Fselected_window
, 0);
2419 EXFUN (Fnext_window
, 3);
2420 EXFUN (Fdelete_window
, 1);
2421 EXFUN (Fselect_window
, 1);
2422 EXFUN (Fset_window_buffer
, 2);
2423 EXFUN (Fget_buffer_window
, 2);
2424 EXFUN (Fsave_window_excursion
, UNEVALLED
);
2425 EXFUN (Fsplit_window
, 3);
2426 EXFUN (Fset_window_configuration
, 1);
2427 EXFUN (Fcurrent_window_configuration
, 1);
2428 extern int compare_window_configurations
P_ ((Lisp_Object
, Lisp_Object
, int));
2429 EXFUN (Fcoordinates_in_window_p
, 2);
2430 EXFUN (Fwindow_at
, 3);
2431 EXFUN (Fpos_visible_in_window_p
, 2);
2432 extern void mark_window_cursors_off
P_ ((struct window
*));
2433 extern int window_internal_height
P_ ((struct window
*));
2434 extern int window_internal_width
P_ ((struct window
*));
2435 EXFUN (Frecenter
, 1);
2436 EXFUN (Fscroll_other_window
, 1);
2437 EXFUN (Fset_window_start
, 3);
2438 extern void temp_output_buffer_show
P_ ((Lisp_Object
));
2439 extern void replace_buffer_in_all_windows
P_ ((Lisp_Object
));
2440 extern void init_window_once
P_ ((void));
2441 extern void syms_of_window
P_ ((void));
2442 extern void keys_of_window
P_ ((void));
2444 /* defined in frame.c */
2445 extern Lisp_Object Qvisible
;
2446 extern void store_frame_param
P_ ((struct frame
*, Lisp_Object
, Lisp_Object
));
2447 extern void store_in_alist
P_ ((Lisp_Object
*, Lisp_Object
, Lisp_Object
));
2448 extern Lisp_Object do_switch_frame
P_ ((Lisp_Object
, Lisp_Object
, int));
2449 extern Lisp_Object get_frame_param
P_ ((struct frame
*, Lisp_Object
));
2450 extern Lisp_Object frame_buffer_predicate
P_ ((Lisp_Object
));
2452 EXFUN (Fselect_frame
, 2);
2453 EXFUN (Fselected_frame
, 0);
2454 EXFUN (Fwindow_frame
, 1);
2455 EXFUN (Fframe_root_window
, 1);
2456 EXFUN (Fframe_first_window
, 1);
2457 EXFUN (Fframe_selected_window
, 1);
2458 EXFUN (Fframe_list
, 0);
2459 EXFUN (Fnext_frame
, 2);
2460 EXFUN (Fdelete_frame
, 2);
2461 EXFUN (Fset_mouse_position
, 3);
2462 EXFUN (Fmake_frame_visible
, 1);
2463 EXFUN (Fmake_frame_invisible
, 2);
2464 EXFUN (Ficonify_frame
, 1);
2465 EXFUN (Fframe_visible_p
, 1);
2466 EXFUN (Fvisible_frame_list
, 0);
2467 EXFUN (Fframe_parameters
, 1);
2468 EXFUN (Fmodify_frame_parameters
, 2);
2469 EXFUN (Fset_frame_height
, 3);
2470 EXFUN (Fset_frame_width
, 3);
2471 EXFUN (Fset_frame_size
, 3);
2472 EXFUN (Fset_frame_position
, 3);
2473 EXFUN (Fraise_frame
, 1);
2474 EXFUN (Fredirect_frame_focus
, 2);
2475 EXFUN (Fset_frame_selected_window
, 2);
2476 extern Lisp_Object frame_buffer_list
P_ ((Lisp_Object
));
2477 extern void frames_discard_buffer
P_ ((Lisp_Object
));
2478 extern void set_frame_buffer_list
P_ ((Lisp_Object
, Lisp_Object
));
2479 extern void frames_bury_buffer
P_ ((Lisp_Object
));
2480 extern void syms_of_frame
P_ ((void));
2481 extern void keys_of_frame
P_ ((void));
2483 /* defined in emacs.c */
2484 extern Lisp_Object decode_env_path
P_ ((char *, char *));
2485 extern Lisp_Object Vinvocation_name
, Vinvocation_directory
;
2486 extern Lisp_Object Vinstallation_directory
;
2487 EXFUN (Fkill_emacs
, 1);
2488 void shut_down_emacs
P_ ((int, int, Lisp_Object
));
2489 /* Nonzero means don't do interactive redisplay and don't change tty modes */
2490 extern int noninteractive
;
2491 /* Nonzero means don't do use window-system-specific display code */
2492 extern int inhibit_window_system
;
2493 /* Nonzero means that a filter or a sentinel is running. */
2494 extern int running_asynch_code
;
2496 /* defined in process.c */
2497 EXFUN (Fget_process
, 1);
2498 EXFUN (Fget_buffer_process
, 1);
2499 EXFUN (Fprocessp
, 1);
2500 EXFUN (Fprocess_status
, 1);
2501 EXFUN (Fkill_process
, 2);
2502 EXFUN (Fprocess_send_eof
, 1);
2503 EXFUN (Fwaiting_for_user_input_p
, 0);
2504 extern Lisp_Object Qprocessp
;
2505 extern void kill_buffer_processes
P_ ((Lisp_Object
));
2506 extern int wait_reading_process_input
P_ ((int, int, Lisp_Object
, int));
2507 extern void deactivate_process
P_ ((Lisp_Object
));
2508 extern void add_keyboard_wait_descriptor
P_ ((int));
2509 extern void delete_keyboard_wait_descriptor
P_ ((int));
2510 extern void close_process_descs
P_ ((void));
2511 extern void status_notify
P_ ((void));
2512 extern int read_process_output
P_ ((Lisp_Object
, int));
2513 extern void init_process
P_ ((void));
2514 extern void syms_of_process
P_ ((void));
2516 /* defined in callproc.c */
2517 extern Lisp_Object Vexec_path
, Vexec_directory
, Vdata_directory
;
2518 extern Lisp_Object Vdoc_directory
;
2519 EXFUN (Fcall_process
, MANY
);
2520 extern int child_setup
P_ ((int, int, int, char **, int, Lisp_Object
));
2521 extern void init_callproc_1
P_ ((void));
2522 extern void init_callproc
P_ ((void));
2523 extern void set_process_environment
P_ ((void));
2524 extern void syms_of_callproc
P_ ((void));
2526 /* defined in doc.c */
2527 extern Lisp_Object Vdoc_file_name
;
2528 EXFUN (Fsubstitute_command_keys
, 1);
2529 EXFUN (Fdocumentation
, 2);
2530 EXFUN (Fdocumentation_property
, 3);
2531 extern Lisp_Object read_doc_string
P_ ((Lisp_Object
));
2532 extern Lisp_Object get_doc_string
P_ ((Lisp_Object
, int, int));
2533 extern void syms_of_doc
P_ ((void));
2535 /* defined in bytecode.c */
2536 extern Lisp_Object Qbytecode
;
2537 EXFUN (Fbyte_code
, 3);
2538 extern void syms_of_bytecode
P_ ((void));
2540 /* defined in macros.c */
2541 extern Lisp_Object Qexecute_kbd_macro
;
2542 EXFUN (Fexecute_kbd_macro
, 2);
2543 extern void init_macros
P_ ((void));
2544 extern void syms_of_macros
P_ ((void));
2545 extern void keys_of_macros
P_ ((void));
2547 /* defined in undo.c */
2548 extern Lisp_Object Qinhibit_read_only
;
2549 EXFUN (Fundo_boundary
, 0);
2550 extern Lisp_Object truncate_undo_list
P_ ((Lisp_Object
, int, int));
2551 extern void record_marker_adjustment
P_ ((Lisp_Object
, int));
2552 extern void record_insert
P_ ((int, int));
2553 extern void record_delete
P_ ((int, Lisp_Object
));
2554 extern void record_first_change
P_ ((void));
2555 extern void record_change
P_ ((int, int));
2556 extern void record_property_change
P_ ((int, int, Lisp_Object
, Lisp_Object
,
2558 extern void syms_of_undo
P_ ((void));
2560 /* defined in textprop.c */
2561 extern Lisp_Object Qmodification_hooks
;
2562 extern Lisp_Object Qrear_nonsticky
, Qfont
;
2563 extern Lisp_Object Qinsert_in_front_hooks
, Qinsert_behind_hooks
;
2564 EXFUN (Fnext_property_change
, 3);
2565 EXFUN (Fnext_single_property_change
, 4);
2566 EXFUN (Fprevious_single_property_change
, 4);
2567 EXFUN (Fget_text_property
, 3);
2568 EXFUN (Fput_text_property
, 5);
2569 EXFUN (Fset_text_properties
, 4);
2570 EXFUN (Ftext_property_not_all
, 5);
2571 EXFUN (Fprevious_char_property_change
, 2);
2572 EXFUN (Fnext_char_property_change
, 2);
2573 extern void report_interval_modification
P_ ((Lisp_Object
, Lisp_Object
));
2574 extern void syms_of_textprop
P_ ((void));
2576 /* defined in intervals.c */
2577 extern Lisp_Object get_local_map
P_ ((int, struct buffer
*));
2579 /* defined in xmenu.c */
2580 EXFUN (Fx_popup_menu
, 2);
2581 EXFUN (Fx_popup_dialog
, 2);
2582 extern void syms_of_xmenu
P_ ((void));
2584 /* defined in sysdep.c */
2585 extern void init_sigio
P_ ((int));
2586 extern void request_sigio
P_ ((void));
2587 extern void unrequest_sigio
P_ ((void));
2588 extern void reset_sys_modes
P_ ((void));
2589 extern void sys_subshell
P_ ((void));
2590 extern void sys_suspend
P_ ((void));
2591 extern void discard_tty_input
P_ ((void));
2592 extern void init_sys_modes
P_ ((void));
2593 extern void reset_sys_modes
P_ ((void));
2594 extern void get_frame_size
P_ ((int *, int *));
2595 extern void wait_for_termination
P_ ((int));
2596 extern void flush_pending_output
P_ ((int));
2597 extern void child_setup_tty
P_ ((int));
2598 extern void setup_pty
P_ ((int));
2599 extern int set_window_size
P_ ((int, int, int));
2600 extern void create_process
P_ ((Lisp_Object
, char **, Lisp_Object
));
2601 extern int tabs_safe_p
P_ ((void));
2602 extern void init_baud_rate
P_ ((void));
2604 /* defined in filelock.c */
2605 EXFUN (Funlock_buffer
, 0);
2606 EXFUN (Ffile_locked_p
, 1);
2607 extern void unlock_all_files
P_ ((void));
2608 extern void lock_file
P_ ((Lisp_Object
));
2609 extern void unlock_file
P_ ((Lisp_Object
));
2610 extern void unlock_buffer
P_ ((struct buffer
*));
2611 extern void syms_of_filelock
P_ ((void));
2613 /* Defined in category.c */
2614 extern void init_category_once
P_ ((void));
2615 extern void syms_of_category
P_ ((void));
2617 /* Defined in ccl.c */
2618 extern void syms_of_ccl
P_ ((void));
2620 /* Defined in dired.c */
2621 EXFUN (Ffile_attributes
, 1);
2622 extern void syms_of_dired
P_ ((void));
2624 /* Defined in mocklisp.c */
2625 extern void syms_of_mocklisp
P_ ((void));
2627 /* Defined in term.c */
2628 extern void syms_of_term
P_ ((void));
2630 #ifdef HAVE_X_WINDOWS
2631 /* Defined in fontset.c */
2632 extern void syms_of_fontset
P_ ((void));
2633 EXFUN (Fset_fontset_font
, 4);
2636 /* Defined in xfaces.c */
2637 extern void syms_of_xfaces
P_ ((void));
2639 #ifdef HAVE_X_WINDOWS
2640 /* Defined in xfns.c */
2641 extern void x_set_tool_bar_lines
P_ ((struct frame
*, Lisp_Object
, Lisp_Object
));
2642 extern void syms_of_xfns
P_ ((void));
2645 /* Defined in xselect.c */
2646 extern void syms_of_xselect
P_ ((void));
2648 /* Defined in xterm.c */
2649 extern void syms_of_xterm
P_ ((void));
2651 /* Nonzero means Emacs has already been initialized.
2652 Used during startup to detect startup of dumped Emacs. */
2653 extern int initialized
;
2655 extern int immediate_quit
; /* Nonzero means ^G can quit instantly */
2657 extern char *getenv (), *ctime (), *getwd ();
2658 extern long *xmalloc (), *xrealloc ();
2659 extern void xfree ();
2661 extern char *egetenv
P_ ((char *));
2663 /* Set up the name of the machine we're running on. */
2664 extern void init_system_name
P_ ((void));
2666 /* Some systems (e.g., NT) use a different path separator than Unix,
2667 in addition to a device separator. Default the path separator
2668 to '/', and don't test for a device separator in IS_ANY_SEP. */
2671 extern Lisp_Object Vdirectory_sep_char
;
2674 #ifndef DIRECTORY_SEP
2675 #define DIRECTORY_SEP '/'
2677 #ifndef IS_DIRECTORY_SEP
2678 #define IS_DIRECTORY_SEP(_c_) ((_c_) == DIRECTORY_SEP)
2680 #ifndef IS_DEVICE_SEP
2682 #define IS_DEVICE_SEP(_c_) 0
2684 #define IS_DEVICE_SEP(_c_) ((_c_) == DEVICE_SEP)
2688 #define IS_ANY_SEP(_c_) (IS_DIRECTORY_SEP (_c_))
2691 #ifdef SWITCH_ENUM_BUG
2692 #define SWITCH_ENUM_CAST(x) ((int)(x))
2694 #define SWITCH_ENUM_CAST(x) (x)