1 /* Fundamental definitions for GNU Emacs Lisp interpreter.
2 Copyright (C) 1985,86,87,93,94,95,97,98,1999,2000, 2001
3 Free Software Foundation, Inc.
5 This file is part of GNU Emacs.
7 GNU Emacs is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2, or (at your option)
12 GNU Emacs is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with GNU Emacs; see the file COPYING. If not, write to
19 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
20 Boston, MA 02111-1307, USA. */
22 /* Declare the prototype for a general external function. */
23 #if defined (PROTOTYPES) || defined (WINDOWSNT)
24 #define P_(proto) proto
30 /* Define this temporarily to hunt a bug. If defined, the size of
31 strings is redundantly recorded in sdata structures so that it can
32 be compared to the sizes recorded in Lisp strings. */
34 #define GC_CHECK_STRING_BYTES 1
38 /* These are default choices for the types to use. */
41 #define EMACS_INT long
42 #define BITS_PER_EMACS_INT BITS_PER_LONG
45 #define EMACS_UINT unsigned long
50 #define BITS_PER_EMACS_INT BITS_PER_INT
53 #define EMACS_UINT unsigned int
57 /* Extra internal type checking? */
58 extern int suppress_checking
;
59 extern void die
P_((const char *, const char *, int));
61 #ifdef ENABLE_CHECKING
63 #define CHECK(check,msg) ((check || suppress_checking \
65 : die (msg, __FILE__, __LINE__)), \
68 /* Let's get some compile-time checking too. */
73 /* Produce same side effects and result, but don't complain. */
74 #define CHECK(check,msg) ((check),0)
78 /* Used for making sure that Emacs is compilable in all
81 #ifdef USE_LISP_UNION_TYPE
85 /* Define an Emacs version of "assert", since some system ones are
87 #ifndef ENABLE_CHECKING
88 #define eassert(X) (void) 0
89 #else /* ENABLE_CHECKING */
90 #if defined (__GNUC__) && __GNUC__ >= 2 && defined (__STDC__)
91 #define eassert(cond) CHECK(cond,"assertion failed: " #cond)
93 #define eassert(cond) CHECK(cond,"assertion failed")
95 #endif /* ENABLE_CHECKING */
97 /* Define the fundamental Lisp data structures. */
99 /* This is the set of Lisp data types. */
103 /* Integer. XINT (obj) is the integer value. */
106 /* Symbol. XSYMBOL (object) points to a struct Lisp_Symbol. */
109 /* Miscellaneous. XMISC (object) points to a union Lisp_Misc,
110 whose first member indicates the subtype. */
113 /* String. XSTRING (object) points to a struct Lisp_String.
114 The length of the string, and its contents, are stored therein. */
117 /* Vector of Lisp objects, or something resembling it.
118 XVECTOR (object) points to a struct Lisp_Vector, which contains
119 the size and contents. The size field also contains the type
120 information, if it's not a real vector object. */
123 /* Cons. XCONS (object) points to a struct Lisp_Cons. */
128 /* This is not a type code. It is for range checking. */
132 /* This is the set of data types that share a common structure.
133 The first member of the structure is a type code from this set.
134 The enum values are arbitrary, but we'll use large numbers to make it
135 more likely that we'll spot the error if a random word in memory is
136 mistakenly interpreted as a Lisp_Misc. */
139 Lisp_Misc_Free
= 0x5eab,
144 Lisp_Misc_Buffer_Objfwd
,
145 Lisp_Misc_Buffer_Local_Value
,
146 Lisp_Misc_Some_Buffer_Local_Value
,
148 Lisp_Misc_Kboard_Objfwd
,
149 /* Currently floats are not a misc type,
150 but let's define this in case we want to change that. */
152 /* This is not a type code. It is for range checking. */
156 /* These values are overridden by the m- file on some machines. */
158 #define VALBITS (BITS_PER_EMACS_INT - 4)
165 #if 0 /* This doesn't work on some systems that don't allow enumerators
166 > INT_MAX, and it won't work for long long EMACS_INT. These
167 values are now found in emacs.c as EMACS_INT variables. */
169 /* Make these values available in GDB, which sees enums but not macros. */
173 gdb_valbits
= VALBITS
,
174 gdb_gctypebits
= GCTYPEBITS
,
175 gdb_emacs_intbits
= sizeof (EMACS_INT
) * BITS_PER_CHAR
,
177 gdb_data_seg_bits
= DATA_SEG_BITS
179 gdb_data_seg_bits
= 0
185 #ifndef NO_UNION_TYPE
187 #ifndef WORDS_BIG_ENDIAN
189 /* Definition of Lisp_Object for little-endian machines. */
194 /* Used for comparing two Lisp_Objects;
195 also, positive integers can be accessed fast this way. */
200 EMACS_INT val
: VALBITS
;
201 EMACS_INT type
: GCTYPEBITS
+ 1;
205 EMACS_UINT val
: VALBITS
;
206 EMACS_INT type
: GCTYPEBITS
+ 1;
210 EMACS_UINT val
: VALBITS
;
211 enum Lisp_Type type
: GCTYPEBITS
;
212 /* The markbit is not really part of the value of a Lisp_Object,
213 and is always zero except during garbage collection. */
214 EMACS_UINT markbit
: 1;
219 #else /* If WORDS_BIG_ENDIAN */
224 /* Used for comparing two Lisp_Objects;
225 also, positive integers can be accessed fast this way. */
230 EMACS_INT type
: GCTYPEBITS
+1;
231 EMACS_INT val
: VALBITS
;
235 EMACS_INT type
: GCTYPEBITS
+1;
236 EMACS_UINT val
: VALBITS
;
240 /* The markbit is not really part of the value of a Lisp_Object,
241 and is always zero except during garbage collection. */
242 EMACS_UINT markbit
: 1;
243 enum Lisp_Type type
: GCTYPEBITS
;
244 EMACS_UINT val
: VALBITS
;
249 #endif /* WORDS_BIG_ENDIAN */
251 #endif /* NO_UNION_TYPE */
254 /* If union type is not wanted, define Lisp_Object as just a number. */
257 #define Lisp_Object EMACS_INT
258 #endif /* NO_UNION_TYPE */
261 #define VALMASK ((((EMACS_INT) 1)<<VALBITS) - 1)
263 #define GCTYPEMASK ((((EMACS_INT) 1)<<GCTYPEBITS) - 1)
265 /* Two flags that are set during GC. On some machines, these flags
266 are defined differently by the m- file. */
268 /* This is set in the car of a cons and in the plist slot of a symbol
269 to indicate it is marked. Likewise in the plist slot of an interval,
270 the chain slot of a marker, the type slot of a float, and the name
273 In strings, this bit in the size field indicates that the string
274 is a "large" one, one which was separately malloc'd
275 rather than being part of a string block. */
278 #define MARKBIT ((EMACS_INT) ((EMACS_UINT) 1 << (VALBITS + GCTYPEBITS)))
281 /* In the size word of a vector, this bit means the vector has been marked.
282 In the size word of a large string, likewise. */
284 #ifndef ARRAY_MARK_FLAG
285 #define ARRAY_MARK_FLAG ((MARKBIT >> 1) & ~MARKBIT)
286 #endif /* no ARRAY_MARK_FLAG */
288 /* In the size word of a struct Lisp_Vector, this bit means it's really
289 some other vector-like object. */
290 #ifndef PSEUDOVECTOR_FLAG
291 #define PSEUDOVECTOR_FLAG ((ARRAY_MARK_FLAG >> 1) & ~ARRAY_MARK_FLAG)
294 /* In a pseudovector, the size field actually contains a word with one
295 PSEUDOVECTOR_FLAG bit set, and exactly one of the following bits to
296 indicate the actual type. */
299 PVEC_NORMAL_VECTOR
= 0,
300 PVEC_PROCESS
= 0x200,
302 PVEC_COMPILED
= 0x800,
303 PVEC_WINDOW
= 0x1000,
304 PVEC_WINDOW_CONFIGURATION
= 0x2000,
306 PVEC_CHAR_TABLE
= 0x8000,
307 PVEC_BOOL_VECTOR
= 0x10000,
308 PVEC_BUFFER
= 0x20000,
309 PVEC_HASH_TABLE
= 0x40000,
310 PVEC_TYPE_MASK
= 0x7fe00
312 #if 0 /* This is used to make the value of PSEUDOVECTOR_FLAG available to
313 GDB. It doesn't work on OS Alpha. Moved to a variable in
315 PVEC_FLAG
= PSEUDOVECTOR_FLAG
319 /* For convenience, we also store the number of elements in these bits. */
320 #define PSEUDOVECTOR_SIZE_MASK 0x1ff
322 /* These macros extract various sorts of values from a Lisp_Object.
323 For example, if tem is a Lisp_Object whose type is Lisp_Cons,
324 XCONS (tem) is the struct Lisp_Cons * pointing to the memory for that cons. */
328 /* One need to override this if there must be high bits set in data space
329 (doing the result of the below & ((1 << (GCTYPE + 1)) - 1) would work
330 on all machines, but would penalize machines which don't need it)
333 #define XTYPE(a) ((enum Lisp_Type) ((a) >> VALBITS))
337 #define XSETTYPE(a, b) ((a) = XUINT (a) | ((EMACS_INT)(b) << VALBITS))
340 /* For integers known to be positive, XFASTINT provides fast retrieval
341 and XSETFASTINT provides fast storage. This takes advantage of the
342 fact that Lisp_Int is 0. */
343 #define XFASTINT(a) ((a) + 0)
344 #define XSETFASTINT(a, b) ((a) = (b))
346 /* Extract the value of a Lisp_Object as a signed integer. */
348 #ifndef XINT /* Some machines need to do this differently. */
349 #define XINT(a) ((EMACS_INT) (((a) << (BITS_PER_EMACS_INT - VALBITS)) \
350 >> (BITS_PER_EMACS_INT - VALBITS)))
353 /* Extract the value as an unsigned integer. This is a basis
354 for extracting it as a pointer to a structure in storage. */
357 #define XUINT(a) ((EMACS_UINT) ((a) & VALMASK))
362 /* In this representation, data is found in two widely separated segments. */
363 extern size_t pure_size
;
365 (XUINT (a) | (XUINT (a) > pure_size ? DATA_SEG_BITS : PURE_SEG_BITS))
366 #else /* not HAVE_SHM */
368 /* This case is used for the rt-pc.
369 In the diffs I was given, it checked for ptr = 0
370 and did not adjust it in that case.
371 But I don't think that zero should ever be found
372 in a Lisp object whose data type says it points to something. */
373 #define XPNTR(a) (XUINT (a) | DATA_SEG_BITS)
375 #define XPNTR(a) XUINT (a)
377 #endif /* not HAVE_SHM */
378 #endif /* no XPNTR */
381 #define XSET(var, type, ptr) \
382 ((var) = ((EMACS_INT)(type) << VALBITS) + ((EMACS_INT) (ptr) & VALMASK))
385 /* Convert a C integer into a Lisp_Object integer. */
387 #define make_number(N) \
388 ((((EMACS_INT) (N)) & VALMASK) | ((EMACS_INT) Lisp_Int) << VALBITS)
390 /* During garbage collection, XGCTYPE must be used for extracting types
391 so that the mark bit is ignored. XMARKBIT accesses the markbit.
392 Markbits are used only in particular slots of particular structure types.
393 Other markbits are always zero.
394 Outside of garbage collection, all mark bits are always zero. */
397 #define XGCTYPE(a) ((enum Lisp_Type) (((a) >> VALBITS) & GCTYPEMASK))
400 #if VALBITS + GCTYPEBITS == BITS_PER_EMACS_INT - 1
401 /* Make XMARKBIT faster if mark bit is sign bit. */
403 #define XMARKBIT(a) ((a) < 0)
405 #endif /* markbit is sign bit */
408 #define XMARKBIT(a) ((a) & MARKBIT)
412 #define XSETMARKBIT(a,b) ((a) = ((a) & ~MARKBIT) | ((b) ? MARKBIT : 0))
416 #define XMARK(a) ((a) |= MARKBIT)
420 #define XUNMARK(a) ((a) &= ~MARKBIT)
423 #endif /* NO_UNION_TYPE */
425 #ifndef NO_UNION_TYPE
427 #define XTYPE(a) ((enum Lisp_Type) (a).u.type)
428 #define XSETTYPE(a, b) ((a).u.type = (char) (b))
430 /* For integers known to be positive, XFASTINT provides fast retrieval
431 and XSETFASTINT provides fast storage. This takes advantage of the
432 fact that Lisp_Int is 0. */
433 #define XFASTINT(a) ((a).i + 0)
434 #define XSETFASTINT(a, b) ((a).i = (b))
436 #ifdef EXPLICIT_SIGN_EXTEND
437 /* Make sure we sign-extend; compilers have been known to fail to do so. */
438 #define XINT(a) (((a).i << (BITS_PER_EMACS_INT - VALBITS)) \
439 >> (BITS_PER_EMACS_INT - VALBITS))
441 #define XINT(a) ((a).s.val)
442 #endif /* EXPLICIT_SIGN_EXTEND */
444 #define XUINT(a) ((a).u.val)
445 #define XPNTR(a) ((a).u.val)
447 #define XSET(var, vartype, ptr) \
448 (((var).s.val = ((EMACS_INT) (ptr))), ((var).s.type = ((char) (vartype))))
450 #if __GNUC__ >= 2 && defined (__OPTIMIZE__)
451 #define make_number(N) \
452 (__extension__ ({ Lisp_Object _l; _l.s.val = (N); _l.s.type = Lisp_Int; _l; }))
454 extern Lisp_Object
make_number ();
457 /* During garbage collection, XGCTYPE must be used for extracting types
458 so that the mark bit is ignored. XMARKBIT access the markbit.
459 Markbits are used only in particular slots of particular structure types.
460 Other markbits are always zero.
461 Outside of garbage collection, all mark bits are always zero. */
463 #define XGCTYPE(a) ((a).gu.type)
464 #define XMARKBIT(a) ((a).gu.markbit)
465 #define XSETMARKBIT(a,b) (XMARKBIT(a) = (b))
466 #define XMARK(a) (XMARKBIT(a) = 1)
467 #define XUNMARK(a) (XMARKBIT(a) = 0)
469 #endif /* NO_UNION_TYPE */
471 /* Largest and smallest representable fixnum values. These are the C
474 #define MOST_NEGATIVE_FIXNUM - ((EMACS_INT) 1 << (VALBITS - 1))
475 #define MOST_POSITIVE_FIXNUM (((EMACS_INT) 1 << (VALBITS - 1)) - 1)
477 /* Value is non-zero if C integer I doesn't fit into a Lisp fixnum. */
479 #define FIXNUM_OVERFLOW_P(i) \
480 ((EMACS_INT)(i) > MOST_POSITIVE_FIXNUM \
481 || (EMACS_INT) (i) < MOST_NEGATIVE_FIXNUM)
483 /* Extract a value or address from a Lisp_Object. */
485 #define XCONS(a) (eassert (GC_CONSP(a)),(struct Lisp_Cons *) XPNTR(a))
486 #define XVECTOR(a) (eassert (GC_VECTORLIKEP(a)),(struct Lisp_Vector *) XPNTR(a))
487 #define XSTRING(a) (eassert (GC_STRINGP(a)),(struct Lisp_String *) XPNTR(a))
488 #define XSYMBOL(a) (eassert (GC_SYMBOLP(a)),(struct Lisp_Symbol *) XPNTR(a))
489 #define XFLOAT(a) (eassert (GC_FLOATP(a)),(struct Lisp_Float *) XPNTR(a))
493 #define XMISC(a) ((union Lisp_Misc *) XPNTR(a))
494 #define XMISCTYPE(a) (XMARKER (a)->type)
495 #define XMARKER(a) (&(XMISC(a)->u_marker))
496 #define XINTFWD(a) (&(XMISC(a)->u_intfwd))
497 #define XBOOLFWD(a) (&(XMISC(a)->u_boolfwd))
498 #define XOBJFWD(a) (&(XMISC(a)->u_objfwd))
499 #define XBUFFER_OBJFWD(a) (&(XMISC(a)->u_buffer_objfwd))
500 #define XBUFFER_LOCAL_VALUE(a) (&(XMISC(a)->u_buffer_local_value))
501 #define XOVERLAY(a) (&(XMISC(a)->u_overlay))
502 #define XKBOARD_OBJFWD(a) (&(XMISC(a)->u_kboard_objfwd))
504 /* Pseudovector types. */
506 #define XPROCESS(a) (eassert (GC_PROCESSP(a)),(struct Lisp_Process *) XPNTR(a))
507 #define XWINDOW(a) (eassert (GC_WINDOWP(a)),(struct window *) XPNTR(a))
508 #define XSUBR(a) (eassert (GC_SUBRP(a)),(struct Lisp_Subr *) XPNTR(a))
509 #define XBUFFER(a) (eassert (GC_BUFFERP(a)),(struct buffer *) XPNTR(a))
510 #define XCHAR_TABLE(a) ((struct Lisp_Char_Table *) XPNTR(a))
511 #define XBOOL_VECTOR(a) ((struct Lisp_Bool_Vector *) XPNTR(a))
513 /* Construct a Lisp_Object from a value or address. */
515 #define XSETINT(a, b) XSET (a, Lisp_Int, b)
516 #define XSETCONS(a, b) XSET (a, Lisp_Cons, b)
517 #define XSETVECTOR(a, b) XSET (a, Lisp_Vectorlike, b)
518 #define XSETSTRING(a, b) XSET (a, Lisp_String, b)
519 #define XSETSYMBOL(a, b) XSET (a, Lisp_Symbol, b)
520 #define XSETFLOAT(a, b) XSET (a, Lisp_Float, b)
524 #define XSETMISC(a, b) XSET (a, Lisp_Misc, b)
525 #define XSETMARKER(a, b) (XSETMISC (a, b), XMISCTYPE (a) = Lisp_Misc_Marker)
527 /* Pseudovector types. */
529 #define XSETPSEUDOVECTOR(a, b, code) \
530 (XSETVECTOR (a, b), XVECTOR (a)->size |= PSEUDOVECTOR_FLAG | (code))
531 #define XSETWINDOW_CONFIGURATION(a, b) \
532 (XSETPSEUDOVECTOR (a, b, PVEC_WINDOW_CONFIGURATION))
533 #define XSETPROCESS(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_PROCESS))
534 #define XSETWINDOW(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_WINDOW))
535 #define XSETSUBR(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_SUBR))
536 #define XSETCOMPILED(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_COMPILED))
537 #define XSETBUFFER(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_BUFFER))
538 #define XSETCHAR_TABLE(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_CHAR_TABLE))
539 #define XSETBOOL_VECTOR(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_BOOL_VECTOR))
541 /* Convenience macros for dealing with Lisp arrays. */
543 #define AREF(ARRAY, IDX) XVECTOR ((ARRAY))->contents[IDX]
544 #define ASET(ARRAY, IDX, VAL) (AREF ((ARRAY), (IDX)) = (VAL))
545 #define ASIZE(ARRAY) XVECTOR ((ARRAY))->size
548 /* Basic data type for use of intervals. See the macros in intervals.h. */
552 /* The first group of entries deal with the tree structure. */
554 unsigned int total_length
; /* Length of myself and both children. */
555 unsigned int position
; /* Cache of interval's character position. */
556 /* This field is usually updated
557 simultaneously with an interval
558 traversal, there is no guarantee
559 that it is valid for a random
561 struct interval
*left
; /* Intervals which precede me. */
562 struct interval
*right
; /* Intervals which succeed me. */
564 /* Parent in the tree, or the Lisp_Object containing this interval tree.
566 The mark bit on the root interval of an interval tree says
567 whether we have started (and possibly finished) marking the
568 tree. If GC comes across an interval tree whose root's parent
569 field has its markbit set, it leaves the tree alone.
571 You'd think we could store this information in the parent object
572 somewhere (after all, that should be visited once and then
573 ignored too, right?), but strings are GC'd strangely. */
576 struct interval
*interval
;
579 unsigned int up_obj
: 1;
581 /* The remaining components are `properties' of the interval.
582 The first four are duplicates for things which can be on the list,
583 for purposes of speed. */
585 unsigned int write_protect
: 1; /* Non-zero means can't modify. */
586 unsigned int visible
: 1; /* Zero means don't display. */
587 unsigned int front_sticky
: 1; /* Non-zero means text inserted just
588 before this interval goes into it. */
589 unsigned int rear_sticky
: 1; /* Likewise for just after it. */
591 /* Properties of this interval.
592 The mark bit on this field says whether this particular interval
593 tree node has been visited. Since intervals should never be
594 shared, GC aborts if it seems to have visited an interval twice. */
598 typedef struct interval
*INTERVAL
;
600 /* Complain if object is not string or buffer type */
601 #define CHECK_STRING_OR_BUFFER(x, i) \
602 { if (!STRINGP ((x)) && !BUFFERP ((x))) \
603 x = wrong_type_argument (Qbuffer_or_string_p, (x)); }
605 /* In a cons, the markbit of the car is the gc mark bit */
609 /* Please do not use the names of these elements in code other
610 than the core lisp implementation. Use XCAR and XCDR below. */
611 #ifdef HIDE_LISP_IMPLEMENTATION
612 Lisp_Object car_
, cdr_
;
614 Lisp_Object car
, cdr
;
618 /* Take the car or cdr of something known to be a cons cell. */
619 #ifdef HIDE_LISP_IMPLEMENTATION
620 #define XCAR(c) (XCONS ((c))->car_)
621 #define XCDR(c) (XCONS ((c))->cdr_)
623 #define XCAR(c) (XCONS ((c))->car)
624 #define XCDR(c) (XCONS ((c))->cdr)
627 /* Take the car or cdr of something whose type is not known. */
629 (CONSP ((c)) ? XCAR ((c)) \
630 : NILP ((c)) ? Qnil \
631 : wrong_type_argument (Qlistp, (c)))
634 (CONSP ((c)) ? XCDR ((c)) \
635 : NILP ((c)) ? Qnil \
636 : wrong_type_argument (Qlistp, (c)))
638 /* Nonzero if STR is a multibyte string. */
639 #define STRING_MULTIBYTE(STR) \
640 (XSTRING (STR)->size_byte >= 0)
642 /* Return the length in bytes of STR. */
644 #ifdef GC_CHECK_STRING_BYTES
647 extern int string_bytes
P_ ((struct Lisp_String
*));
648 #define STRING_BYTES(S) string_bytes ((S))
650 #else /* not GC_CHECK_STRING_BYTES */
652 #define STRING_BYTES(STR) \
653 ((STR)->size_byte < 0 ? (STR)->size : (STR)->size_byte)
655 #endif /* not GC_CHECK_STRING_BYTES */
657 /* Set the length in bytes of STR. */
658 #define SET_STRING_BYTES(STR, SIZE) ((STR)->size_byte = (SIZE))
660 /* In a string or vector, the sign bit of the `size' is the gc mark bit */
666 INTERVAL intervals
; /* text properties in this string */
670 /* If a struct is made to look like a vector, this macro returns the length
671 of the shortest vector that would hold that struct. */
672 #define VECSIZE(type) ((sizeof (type) - (sizeof (struct Lisp_Vector) \
673 - sizeof (Lisp_Object)) \
674 + sizeof(Lisp_Object) - 1) /* round up */ \
675 / sizeof (Lisp_Object))
680 struct Lisp_Vector
*next
;
681 Lisp_Object contents
[1];
684 /* A char table is a kind of vectorlike, with contents are like a
685 vector but with a few other slots. For some purposes, it makes
686 sense to handle a chartable with type struct Lisp_Vector. An
687 element of a char table can be any Lisp objects, but if it is a sub
688 char-table, we treat it a table that contains information of a
689 group of characters of the same charsets or a specific character of
690 a charset. A sub char-table has the same structure as a char table
691 except for that the former omits several slots at the tail. A sub
692 char table appears only in an element of a char table, and there's
693 no way to access it directly from Emacs Lisp program. */
695 /* This is the number of slots that apply to characters or character
696 sets. The first 128 are for ASCII, the next 128 are for 8-bit
697 European characters, and the last 128 are for multibyte characters.
698 The first 256 are indexed by the code itself, but the last 128 are
699 indexed by (charset-id + 128). */
700 #define CHAR_TABLE_ORDINARY_SLOTS 384
702 /* This is the number of slots that apply to characters of ASCII and
703 8-bit Europeans only. */
704 #define CHAR_TABLE_SINGLE_BYTE_SLOTS 256
706 /* This is the number of slots that every char table must have. This
707 counts the ordinary slots and the top, defalt, parent, and purpose
709 #define CHAR_TABLE_STANDARD_SLOTS (CHAR_TABLE_ORDINARY_SLOTS + 4)
711 /* This is the number of slots that apply to position-code-1 and
712 position-code-2 of a multibyte character at the 2nd and 3rd level
713 sub char tables respectively. */
714 #define SUB_CHAR_TABLE_ORDINARY_SLOTS 128
716 /* This is the number of slots that every sub char table must have.
717 This counts the ordinary slots and the top and defalt slot. */
718 #define SUB_CHAR_TABLE_STANDARD_SLOTS (SUB_CHAR_TABLE_ORDINARY_SLOTS + 2)
720 /* Return the number of "extra" slots in the char table CT. */
722 #define CHAR_TABLE_EXTRA_SLOTS(CT) \
723 (((CT)->size & PSEUDOVECTOR_SIZE_MASK) - CHAR_TABLE_STANDARD_SLOTS)
725 /* Almost equivalent to Faref (CT, IDX) with optimization for ASCII
726 and 8-bit Europeans characters. For these characters, do not check
727 validity of CT. Do not follow parent. */
728 #define CHAR_TABLE_REF(CT, IDX) \
729 ((IDX) >= 0 && (IDX) < CHAR_TABLE_SINGLE_BYTE_SLOTS \
730 ? (!NILP (XCHAR_TABLE (CT)->contents[IDX]) \
731 ? XCHAR_TABLE (CT)->contents[IDX] \
732 : XCHAR_TABLE (CT)->defalt) \
733 : Faref (CT, make_number (IDX)))
735 /* Almost equivalent to Faref (CT, IDX) with optimization for ASCII
736 and 8-bit Europeans characters. However, if the result is nil,
739 For these characters, do not check validity of CT
740 and do not follow parent. */
741 #define CHAR_TABLE_TRANSLATE(CT, IDX) \
742 ((IDX) < CHAR_TABLE_SINGLE_BYTE_SLOTS \
743 ? (!NILP (XCHAR_TABLE (CT)->contents[IDX]) \
744 ? XINT (XCHAR_TABLE (CT)->contents[IDX]) \
746 : char_table_translate (CT, IDX))
748 /* Equivalent to Faset (CT, IDX, VAL) with optimization for ASCII and
749 8-bit Europeans characters. Do not check validity of CT. */
750 #define CHAR_TABLE_SET(CT, IDX, VAL) \
752 if (XFASTINT (IDX) < CHAR_TABLE_SINGLE_BYTE_SLOTS) \
753 XCHAR_TABLE (CT)->contents[XFASTINT (IDX)] = VAL; \
755 Faset (CT, IDX, VAL); \
758 struct Lisp_Char_Table
760 /* This is the vector's size field, which also holds the
761 pseudovector type information. It holds the size, too.
762 The size counts the top, defalt, purpose, and parent slots.
763 The last three are not counted if this is a sub char table. */
765 struct Lisp_Vector
*next
;
766 /* This holds a flag to tell if this is a top level char table (t)
767 or a sub char table (nil). */
769 /* This holds a default value,
770 which is used whenever the value for a specific character is nil. */
772 /* This holds an actual value of each element. A sub char table
773 has only SUB_CHAR_TABLE_ORDINARY_SLOTS number of elements. */
774 Lisp_Object contents
[CHAR_TABLE_ORDINARY_SLOTS
];
776 /* A sub char table doesn't has the following slots. */
778 /* This points to another char table, which we inherit from
779 when the value for a specific character is nil.
780 The `defalt' slot takes precedence over this. */
782 /* This should be a symbol which says what kind of use
783 this char-table is meant for.
784 Typically now the values can be `syntax-table' and `display-table'. */
786 /* These hold additional data. */
787 Lisp_Object extras
[1];
790 /* A boolvector is a kind of vectorlike, with contents are like a string. */
791 struct Lisp_Bool_Vector
793 /* This is the vector's size field. It doesn't have the real size,
794 just the subtype information. */
795 EMACS_INT vector_size
;
796 struct Lisp_Vector
*next
;
797 /* This is the size in bits. */
799 /* This contains the actual bits, packed into bytes. */
800 unsigned char data
[1];
803 /* This structure describes a built-in function.
804 It is generated by the DEFUN macro only.
805 defsubr makes it into a Lisp object.
807 This type is treated in most respects as a pseudovector,
808 but since we never dynamically allocate or free them,
809 we don't need a next-vector field. */
814 Lisp_Object (*function
) ();
815 short min_args
, max_args
;
822 /***********************************************************************
824 ***********************************************************************/
826 /* Interned state of a symbol. */
830 SYMBOL_UNINTERNED
= 0,
832 SYMBOL_INTERNED_IN_INITIAL_OBARRAY
= 2
835 /* In a symbol, the markbit of the plist is used as the gc mark bit */
839 /* Non-zero means symbol serves as a variable alias. The symbol
840 holding the real value is found in the value slot. */
841 unsigned indirect_variable
: 1;
843 /* Non-zero means symbol is constant, i.e. changing its value
844 should signal an error. */
845 unsigned constant
: 1;
847 /* Interned state of the symbol. This is an enumerator from
848 enum symbol_interned. */
849 unsigned interned
: 2;
851 /* The symbol's name. This should become a Lisp_Object
852 some day; there's no need for the Lisp_String pointer nowadays. */
853 struct Lisp_String
*name
;
855 /* Value of the symbol or Qunbound if unbound. If this symbol is a
856 defvaralias, `value' contains the symbol for which it is an
857 alias. Use the SYMBOL_VALUE and SET_SYMBOL_VALUE macros to get
858 and set a symbol's value, to take defvaralias into account. */
861 /* Function value of the symbol or Qunbound if not fcoundp. */
862 Lisp_Object function
;
864 /* The symbol's property list. */
867 /* Next symbol in obarray bucket, if the symbol is interned. */
868 struct Lisp_Symbol
*next
;
871 /* Value is non-zero if SYM is an interned symbol. */
873 #define SYMBOL_INTERNED_P(sym) \
874 (XSYMBOL (sym)->interned != SYMBOL_UNINTERNED)
876 /* Value is non-zero if SYM is interned in initial_obarray. */
878 #define SYMBOL_INTERNED_IN_INITIAL_OBARRAY_P(sym) \
879 (XSYMBOL (sym)->interned == SYMBOL_INTERNED_IN_INITIAL_OBARRAY)
881 /* Value is non-zero if symbol is considered a constant, i.e. its
882 value cannot be changed (there is an exception for keyword symbols,
883 whose value can be set to the keyword symbol itself). */
885 #define SYMBOL_CONSTANT_P(sym) XSYMBOL (sym)->constant
887 /* Value is the value of SYM, with defvaralias taken into
890 #define SYMBOL_VALUE(sym) \
891 (XSYMBOL (sym)->indirect_variable \
892 ? XSYMBOL (indirect_variable (sym))->value \
893 : XSYMBOL (sym)->value)
895 /* Set SYM's value to VAL, taking defvaralias into account. */
897 #define SET_SYMBOL_VALUE(sym, val) \
899 if (XSYMBOL (sym)->indirect_variable) \
900 XSYMBOL (indirect_variable ((sym)))->value = (val); \
902 XSYMBOL (sym)->value = (val); \
906 /***********************************************************************
908 ***********************************************************************/
910 /* The structure of a Lisp hash table. */
912 struct Lisp_Hash_Table
914 /* Vector fields. The hash table code doesn't refer to these. */
916 struct Lisp_Vector
*vec_next
;
918 /* Function used to compare keys. */
921 /* Nil if table is non-weak. Otherwise a symbol describing the
922 weakness of the table. */
925 /* When the table is resized, and this is an integer, compute the
926 new size by adding this to the old size. If a float, compute the
927 new size by multiplying the old size with this factor. */
928 Lisp_Object rehash_size
;
930 /* Resize hash table when number of entries/ table size is >= this
932 Lisp_Object rehash_threshold
;
934 /* Number of key/value entries in the table. */
937 /* Vector of keys and values. The key of item I is found at index
938 2 * I, the value is found at index 2 * I + 1. */
939 Lisp_Object key_and_value
;
941 /* Vector of hash codes.. If hash[I] is nil, this means that that
942 entry I is unused. */
945 /* Vector used to chain entries. If entry I is free, next[I] is the
946 entry number of the next free item. If entry I is non-free,
947 next[I] is the index of the next entry in the collision chain. */
950 /* Index of first free entry in free list. */
951 Lisp_Object next_free
;
953 /* Bucket vector. A non-nil entry is the index of the first item in
954 a collision chain. This vector's size can be larger than the
955 hash table size to reduce collisions. */
958 /* Next weak hash table if this is a weak hash table. The head
959 of the list is in Vweak_hash_tables. */
960 Lisp_Object next_weak
;
962 /* User-supplied hash function, or nil. */
963 Lisp_Object user_hash_function
;
965 /* User-supplied key comparison function, or nil. */
966 Lisp_Object user_cmp_function
;
968 /* C function to compare two keys. */
969 int (* cmpfn
) P_ ((struct Lisp_Hash_Table
*, Lisp_Object
,
970 unsigned, Lisp_Object
, unsigned));
972 /* C function to compute hash code. */
973 unsigned (* hashfn
) P_ ((struct Lisp_Hash_Table
*, Lisp_Object
));
977 #define XHASH_TABLE(OBJ) \
978 ((struct Lisp_Hash_Table *) XPNTR (OBJ))
980 #define XSET_HASH_TABLE(VAR, PTR) \
981 (XSETPSEUDOVECTOR (VAR, PTR, PVEC_HASH_TABLE))
983 #define HASH_TABLE_P(OBJ) PSEUDOVECTORP (OBJ, PVEC_HASH_TABLE)
984 #define GC_HASH_TABLE_P(x) GC_PSEUDOVECTORP (x, PVEC_HASH_TABLE)
986 #define CHECK_HASH_TABLE(x, i) \
989 if (!HASH_TABLE_P ((x))) \
990 x = wrong_type_argument (Qhash_table_p, (x)); \
994 /* Default size for hash tables if not specified. */
996 #define DEFAULT_HASH_SIZE 65
998 /* Default threshold specifying when to resize a hash table. The
999 value gives the ratio of current entries in the hash table and the
1000 size of the hash table. */
1002 #define DEFAULT_REHASH_THRESHOLD 0.8
1004 /* Default factor by which to increase the size of a hash table. */
1006 #define DEFAULT_REHASH_SIZE 1.5
1009 /* These structures are used for various misc types. */
1011 /* A miscellaneous object, when it's on the free list. */
1014 int type
: 16; /* = Lisp_Misc_Free */
1016 union Lisp_Misc
*chain
;
1019 /* In a marker, the markbit of the chain field is used as the gc mark bit. */
1022 int type
: 16; /* = Lisp_Misc_Marker */
1024 /* 1 means normal insertion at the marker's position
1025 leaves the marker after the inserted text. */
1026 unsigned int insertion_type
: 1;
1027 /* This is the buffer that the marker points into,
1028 or 0 if it points nowhere. */
1029 struct buffer
*buffer
;
1031 /* The remaining fields are meaningless in a marker that
1032 does not point anywhere. */
1034 /* For markers that point somewhere,
1035 this is used to chain of all the markers in a given buffer. */
1037 /* This is the char position where the marker points. */
1039 /* This is the byte position. */
1043 /* Forwarding pointer to an int variable.
1044 This is allowed only in the value cell of a symbol,
1045 and it means that the symbol's value really lives in the
1046 specified int variable. */
1049 int type
: 16; /* = Lisp_Misc_Intfwd */
1054 /* Boolean forwarding pointer to an int variable.
1055 This is like Lisp_Intfwd except that the ostensible
1056 "value" of the symbol is t if the int variable is nonzero,
1057 nil if it is zero. */
1060 int type
: 16; /* = Lisp_Misc_Boolfwd */
1065 /* Forwarding pointer to a Lisp_Object variable.
1066 This is allowed only in the value cell of a symbol,
1067 and it means that the symbol's value really lives in the
1068 specified variable. */
1071 int type
: 16; /* = Lisp_Misc_Objfwd */
1073 Lisp_Object
*objvar
;
1076 /* Like Lisp_Objfwd except that value lives in a slot in the
1077 current buffer. Value is byte index of slot within buffer. */
1078 struct Lisp_Buffer_Objfwd
1080 int type
: 16; /* = Lisp_Misc_Buffer_Objfwd */
1085 /* struct Lisp_Buffer_Local_Value is used in a symbol value cell when
1086 the symbol has buffer-local or frame-local bindings. (Exception:
1087 some buffer-local variables are built-in, with their values stored
1088 in the buffer structure itself. They are handled differently,
1089 using struct Lisp_Buffer_Objfwd.)
1091 The `realvalue' slot holds the variable's current value, or a
1092 forwarding pointer to where that value is kept. This value is the
1093 one that corresponds to the loaded binding. To read or set the
1094 variable, you must first make sure the right binding is loaded;
1095 then you can access the value in (or through) `realvalue'.
1097 `buffer' and `frame' are the buffer and frame for which the loaded
1098 binding was found. If those have changed, to make sure the right
1099 binding is loaded it is necessary to find which binding goes with
1100 the current buffer and selected frame, then load it. To load it,
1101 first unload the previous binding, then copy the value of the new
1102 binding into `realvalue' (or through it). Also update
1103 LOADED-BINDING to point to the newly loaded binding.
1105 Lisp_Misc_Buffer_Local_Value and Lisp_Misc_Some_Buffer_Local_Value
1106 both use this kind of structure. With the former, merely setting
1107 the variable creates a local binding for the current buffer. With
1108 the latter, setting the variable does not do that; only
1109 make-local-variable does that. */
1111 struct Lisp_Buffer_Local_Value
1113 int type
: 16; /* = Lisp_Misc_Buffer_Local_Value
1114 or Lisp_Misc_Some_Buffer_Local_Value */
1117 /* 1 means this variable is allowed to have frame-local bindings,
1118 so check for them when looking for the proper binding. */
1119 unsigned int check_frame
: 1;
1120 /* 1 means that the binding now loaded was found
1121 as a local binding for the buffer in the `buffer' slot. */
1122 unsigned int found_for_buffer
: 1;
1123 /* 1 means that the binding now loaded was found
1124 as a local binding for the frame in the `frame' slot. */
1125 unsigned int found_for_frame
: 1;
1126 Lisp_Object realvalue
;
1127 /* The buffer and frame for which the loaded binding was found. */
1128 Lisp_Object buffer
, frame
;
1130 /* A cons cell, (LOADED-BINDING . DEFAULT-VALUE).
1132 LOADED-BINDING is the binding now loaded. It is a cons cell
1133 whose cdr is the binding's value. The cons cell may be an
1134 element of a buffer's local-variable alist, or an element of a
1135 frame's parameter alist, or it may be this cons cell.
1137 DEFAULT-VALUE is the variable's default value, seen when the
1138 current buffer and selected frame do not have their own
1139 bindings for the variable. When the default binding is loaded,
1140 LOADED-BINDING is actually this very cons cell; thus, its car
1141 points to itself. */
1145 /* In an overlay object, the mark bit of the plist is used as the GC mark.
1146 START and END are markers in the overlay's buffer, and
1147 PLIST is the overlay's property list. */
1150 int type
: 16; /* = Lisp_Misc_Overlay */
1152 Lisp_Object start
, end
, plist
;
1155 /* Like Lisp_Objfwd except that value lives in a slot in the
1157 struct Lisp_Kboard_Objfwd
1159 int type
: 16; /* = Lisp_Misc_Kboard_Objfwd */
1165 /* To get the type field of a union Lisp_Misc, use XMISCTYPE.
1166 It uses one of these struct subtypes to get the type field. */
1170 struct Lisp_Free u_free
;
1171 struct Lisp_Marker u_marker
;
1172 struct Lisp_Intfwd u_intfwd
;
1173 struct Lisp_Boolfwd u_boolfwd
;
1174 struct Lisp_Objfwd u_objfwd
;
1175 struct Lisp_Buffer_Objfwd u_buffer_objfwd
;
1176 struct Lisp_Buffer_Local_Value u_buffer_local_value
;
1177 struct Lisp_Overlay u_overlay
;
1178 struct Lisp_Kboard_Objfwd u_kboard_objfwd
;
1181 /* Lisp floating point type */
1184 Lisp_Object type
; /* essentially used for mark-bit
1185 and chaining when on free-list */
1186 #ifdef HIDE_LISP_IMPLEMENTATION
1193 #ifdef HIDE_LISP_IMPLEMENTATION
1194 #define XFLOAT_DATA(f) (XFLOAT (f)->data_)
1196 #define XFLOAT_DATA(f) (XFLOAT (f)->data)
1199 /* A character, declared with the following typedef, is a member
1200 of some character set associated with the current buffer. */
1201 #ifndef _UCHAR_T /* Protect against something in ctab.h on AIX. */
1203 typedef unsigned char UCHAR
;
1206 /* Meanings of slots in a Lisp_Compiled: */
1208 #define COMPILED_ARGLIST 0
1209 #define COMPILED_BYTECODE 1
1210 #define COMPILED_CONSTANTS 2
1211 #define COMPILED_STACK_DEPTH 3
1212 #define COMPILED_DOC_STRING 4
1213 #define COMPILED_INTERACTIVE 5
1215 /* Flag bits in a character. These also get used in termhooks.h.
1216 Richard Stallman <rms@gnu.ai.mit.edu> thinks that MULE
1217 (MUlti-Lingual Emacs) might need 22 bits for the character value
1218 itself, so we probably shouldn't use any bits lower than 0x0400000. */
1219 #define CHAR_ALT (0x0400000)
1220 #define CHAR_SUPER (0x0800000)
1221 #define CHAR_HYPER (0x1000000)
1222 #define CHAR_SHIFT (0x2000000)
1223 #define CHAR_CTL (0x4000000)
1224 #define CHAR_META (0x8000000)
1226 #define CHAR_MODIFIER_MASK \
1227 (CHAR_ALT | CHAR_SUPER | CHAR_HYPER | CHAR_SHIFT | CHAR_CTL | CHAR_META)
1230 /* Actually, the current Emacs uses 19 bits for the character value
1232 #define CHARACTERBITS 19
1234 /* The maximum byte size consumed by push_key_description.
1235 All callers should assure that at least this size of memory is
1236 allocated at the place pointed by the second argument.
1238 Thers are 6 modifiers, each consumes 2 chars.
1239 The octal form of a character code consumes
1240 (1 + CHARACTERBITS / 3 + 1) chars (including backslash at the head).
1241 We need one more byte for string terminator `\0'. */
1242 #define KEY_DESCRIPTION_SIZE ((2 * 6) + 1 + (CHARACTERBITS / 3) + 1 + 1)
1244 #ifdef USE_X_TOOLKIT
1245 #ifdef NO_UNION_TYPE
1246 /* Use this for turning a (void *) into a Lisp_Object, as when the
1247 Lisp_Object is passed into a toolkit callback function. */
1248 #define VOID_TO_LISP(larg,varg) \
1249 do { ((larg) = ((Lisp_Object) (varg))); } while (0)
1250 #define CVOID_TO_LISP VOID_TO_LISP
1252 /* Use this for turning a Lisp_Object into a (void *), as when the
1253 Lisp_Object is passed into a toolkit callback function. */
1254 #define LISP_TO_VOID(larg) ((void *) (larg))
1255 #define LISP_TO_CVOID(varg) ((const void *) (larg))
1257 #else /* not NO_UNION_TYPE */
1258 /* Use this for turning a (void *) into a Lisp_Object, as when the
1259 Lisp_Object is passed into a toolkit callback function. */
1260 #define VOID_TO_LISP(larg,varg) \
1261 do { ((larg).v = (void *) (varg)); } while (0)
1262 #define CVOID_TO_LISP(larg,varg) \
1263 do { ((larg).cv = (const void *) (varg)); } while (0)
1265 /* Use this for turning a Lisp_Object into a (void *), as when the
1266 Lisp_Object is passed into a toolkit callback function. */
1267 #define LISP_TO_VOID(larg) ((larg).v)
1268 #define LISP_TO_CVOID(larg) ((larg).cv)
1269 #endif /* not NO_UNION_TYPE */
1270 #endif /* USE_X_TOOLKIT */
1273 /* The glyph datatype, used to represent characters on the display. */
1275 /* Glyph code to use as an index to the glyph table. If it is out of
1276 range for the glyph table, or the corresonding element in the table
1277 is nil, the low 8 bits are the single byte character code, and the
1278 bits above are the numeric face ID. If FID is the face ID of a
1279 glyph on a frame F, then F->display.x->faces[FID] contains the
1280 description of that face. This is an int instead of a short, so we
1281 can support a good bunch of face ID's (2^(31 - 8)); given that we
1282 have no mechanism for tossing unused frame face ID's yet, we'll
1283 probably run out of 255 pretty quickly.
1284 This is always -1 for a multibyte character. */
1287 /* Mask bits for face. */
1288 #define GLYPH_MASK_FACE 0x7FF80000
1289 /* Mask bits for character code. */
1290 #define GLYPH_MASK_CHAR 0x0007FFFF /* The lowest 19 bits */
1292 /* The FAST macros assume that we already know we're in an X window. */
1294 /* Set a character code and a face ID in a glyph G. */
1295 #define FAST_MAKE_GLYPH(char, face) ((char) | ((face) << CHARACTERBITS))
1297 /* Return a glyph's character code. */
1298 #define FAST_GLYPH_CHAR(glyph) ((glyph) & GLYPH_MASK_CHAR)
1300 /* Return a glyph's face ID. */
1301 #define FAST_GLYPH_FACE(glyph) (((glyph) & GLYPH_MASK_FACE) >> CHARACTERBITS)
1303 /* Slower versions that test the frame type first. */
1304 #define MAKE_GLYPH(f, char, face) (FAST_MAKE_GLYPH (char, face))
1305 #define GLYPH_CHAR(f, g) (FAST_GLYPH_CHAR (g))
1306 #define GLYPH_FACE(f, g) (FAST_GLYPH_FACE (g))
1308 /* Return 1 iff GLYPH contains valid character code. */
1309 #define GLYPH_CHAR_VALID_P(glyph) CHAR_VALID_P (FAST_GLYPH_CHAR (glyph), 1)
1311 /* The ID of the mode line highlighting face. */
1312 #define GLYPH_MODE_LINE_FACE 1
1314 /* Data type checking */
1316 #define NILP(x) (XFASTINT (x) == XFASTINT (Qnil))
1317 #define GC_NILP(x) GC_EQ (x, Qnil)
1319 #define NUMBERP(x) (INTEGERP (x) || FLOATP (x))
1320 #define GC_NUMBERP(x) (GC_INTEGERP (x) || GC_FLOATP (x))
1321 #define NATNUMP(x) (INTEGERP (x) && XINT (x) >= 0)
1322 #define GC_NATNUMP(x) (GC_INTEGERP (x) && XINT (x) >= 0)
1324 #define INTEGERP(x) (XTYPE ((x)) == Lisp_Int)
1325 #define GC_INTEGERP(x) (XGCTYPE ((x)) == Lisp_Int)
1326 #define SYMBOLP(x) (XTYPE ((x)) == Lisp_Symbol)
1327 #define GC_SYMBOLP(x) (XGCTYPE ((x)) == Lisp_Symbol)
1328 #define MISCP(x) (XTYPE ((x)) == Lisp_Misc)
1329 #define GC_MISCP(x) (XGCTYPE ((x)) == Lisp_Misc)
1330 #define VECTORLIKEP(x) (XTYPE ((x)) == Lisp_Vectorlike)
1331 #define GC_VECTORLIKEP(x) (XGCTYPE ((x)) == Lisp_Vectorlike)
1332 #define STRINGP(x) (XTYPE ((x)) == Lisp_String)
1333 #define GC_STRINGP(x) (XGCTYPE ((x)) == Lisp_String)
1334 #define CONSP(x) (XTYPE ((x)) == Lisp_Cons)
1335 #define GC_CONSP(x) (XGCTYPE ((x)) == Lisp_Cons)
1337 #define FLOATP(x) (XTYPE ((x)) == Lisp_Float)
1338 #define GC_FLOATP(x) (XGCTYPE ((x)) == Lisp_Float)
1339 #define VECTORP(x) (VECTORLIKEP (x) && !(XVECTOR (x)->size & PSEUDOVECTOR_FLAG))
1340 #define GC_VECTORP(x) (GC_VECTORLIKEP (x) && !(XVECTOR (x)->size & PSEUDOVECTOR_FLAG))
1341 #define OVERLAYP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Overlay)
1342 #define GC_OVERLAYP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Overlay)
1343 #define MARKERP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Marker)
1344 #define GC_MARKERP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Marker)
1345 #define INTFWDP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Intfwd)
1346 #define GC_INTFWDP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Intfwd)
1347 #define BOOLFWDP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Boolfwd)
1348 #define GC_BOOLFWDP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Boolfwd)
1349 #define OBJFWDP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Objfwd)
1350 #define GC_OBJFWDP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Objfwd)
1351 #define BUFFER_OBJFWDP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Buffer_Objfwd)
1352 #define GC_BUFFER_OBJFWDP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Buffer_Objfwd)
1353 #define BUFFER_LOCAL_VALUEP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Buffer_Local_Value)
1354 #define GC_BUFFER_LOCAL_VALUEP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Buffer_Local_Value)
1355 #define SOME_BUFFER_LOCAL_VALUEP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Some_Buffer_Local_Value)
1356 #define GC_SOME_BUFFER_LOCAL_VALUEP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Some_Buffer_Local_Value)
1357 #define KBOARD_OBJFWDP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Kboard_Objfwd)
1358 #define GC_KBOARD_OBJFWDP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Kboard_Objfwd)
1361 /* True if object X is a pseudovector whose code is CODE. */
1362 #define PSEUDOVECTORP(x, code) \
1364 && (((XVECTOR (x)->size & (PSEUDOVECTOR_FLAG | (code)))) \
1365 == (PSEUDOVECTOR_FLAG | (code))))
1367 /* True if object X is a pseudovector whose code is CODE.
1368 This one works during GC. */
1369 #define GC_PSEUDOVECTORP(x, code) \
1370 (GC_VECTORLIKEP (x) \
1371 && (((XVECTOR (x)->size & (PSEUDOVECTOR_FLAG | (code)))) \
1372 == (PSEUDOVECTOR_FLAG | (code))))
1374 /* Test for specific pseudovector types. */
1375 #define WINDOW_CONFIGURATIONP(x) PSEUDOVECTORP (x, PVEC_WINDOW_CONFIGURATION)
1376 #define GC_WINDOW_CONFIGURATIONP(x) GC_PSEUDOVECTORP (x, PVEC_WINDOW_CONFIGURATION)
1377 #define PROCESSP(x) PSEUDOVECTORP (x, PVEC_PROCESS)
1378 #define GC_PROCESSP(x) GC_PSEUDOVECTORP (x, PVEC_PROCESS)
1379 #define WINDOWP(x) PSEUDOVECTORP (x, PVEC_WINDOW)
1380 #define GC_WINDOWP(x) GC_PSEUDOVECTORP (x, PVEC_WINDOW)
1381 #define SUBRP(x) PSEUDOVECTORP (x, PVEC_SUBR)
1382 #define GC_SUBRP(x) GC_PSEUDOVECTORP (x, PVEC_SUBR)
1383 #define COMPILEDP(x) PSEUDOVECTORP (x, PVEC_COMPILED)
1384 #define GC_COMPILEDP(x) GC_PSEUDOVECTORP (x, PVEC_COMPILED)
1385 #define BUFFERP(x) PSEUDOVECTORP (x, PVEC_BUFFER)
1386 #define GC_BUFFERP(x) GC_PSEUDOVECTORP (x, PVEC_BUFFER)
1387 #define CHAR_TABLE_P(x) PSEUDOVECTORP (x, PVEC_CHAR_TABLE)
1388 #define GC_CHAR_TABLE_P(x) GC_PSEUDOVECTORP (x, PVEC_CHAR_TABLE)
1389 #define BOOL_VECTOR_P(x) PSEUDOVECTORP (x, PVEC_BOOL_VECTOR)
1390 #define GC_BOOL_VECTOR_P(x) GC_PSEUDOVECTORP (x, PVEC_BOOL_VECTOR)
1391 #define FRAMEP(x) PSEUDOVECTORP (x, PVEC_FRAME)
1392 #define GC_FRAMEP(x) GC_PSEUDOVECTORP (x, PVEC_FRAME)
1394 #define SUB_CHAR_TABLE_P(x) (CHAR_TABLE_P (x) && NILP (XCHAR_TABLE (x)->top))
1396 #define EQ(x, y) (XFASTINT (x) == XFASTINT (y))
1397 #define GC_EQ(x, y) (XGCTYPE (x) == XGCTYPE (y) && XPNTR (x) == XPNTR (y))
1399 #define CHECK_LIST(x, i) \
1400 do { if (!CONSP ((x)) && !NILP (x)) x = wrong_type_argument (Qlistp, (x)); } while (0)
1402 #define CHECK_STRING(x, i) \
1403 do { if (!STRINGP ((x))) x = wrong_type_argument (Qstringp, (x)); } while (0)
1405 #define CHECK_CONS(x, i) \
1406 do { if (!CONSP ((x))) x = wrong_type_argument (Qconsp, (x)); } while (0)
1408 #define CHECK_SYMBOL(x, i) \
1409 do { if (!SYMBOLP ((x))) x = wrong_type_argument (Qsymbolp, (x)); } while (0)
1411 #define CHECK_CHAR_TABLE(x, i) \
1412 do { if (!CHAR_TABLE_P ((x))) \
1413 x = wrong_type_argument (Qchar_table_p, (x)); } while (0)
1415 #define CHECK_VECTOR(x, i) \
1416 do { if (!VECTORP ((x))) x = wrong_type_argument (Qvectorp, (x)); } while (0)
1418 #define CHECK_VECTOR_OR_CHAR_TABLE(x, i) \
1419 do { if (!VECTORP ((x)) && !CHAR_TABLE_P ((x))) \
1420 x = wrong_type_argument (Qvector_or_char_table_p, (x)); \
1423 #define CHECK_BUFFER(x, i) \
1424 do { if (!BUFFERP ((x))) x = wrong_type_argument (Qbufferp, (x)); } while (0)
1426 #define CHECK_WINDOW(x, i) \
1427 do { if (!WINDOWP ((x))) x = wrong_type_argument (Qwindowp, (x)); } while (0)
1429 /* This macro rejects windows on the interior of the window tree as
1430 "dead", which is what we want; this is an argument-checking macro, and
1431 the user should never get access to interior windows.
1433 A window of any sort, leaf or interior, is dead iff the buffer,
1434 vchild, and hchild members are all nil. */
1436 #define CHECK_LIVE_WINDOW(x, i) \
1438 if (!WINDOWP ((x)) \
1439 || NILP (XWINDOW ((x))->buffer)) \
1440 x = wrong_type_argument (Qwindow_live_p, (x)); \
1443 #define CHECK_PROCESS(x, i) \
1444 do { if (!PROCESSP ((x))) x = wrong_type_argument (Qprocessp, (x)); } while (0)
1446 #define CHECK_NUMBER(x, i) \
1447 do { if (!INTEGERP ((x))) x = wrong_type_argument (Qintegerp, (x)); } while (0)
1449 #define CHECK_NATNUM(x, i) \
1450 do { if (!NATNUMP (x)) x = wrong_type_argument (Qwholenump, (x)); } while (0)
1452 #define CHECK_MARKER(x, i) \
1453 do { if (!MARKERP ((x))) x = wrong_type_argument (Qmarkerp, (x)); } while (0)
1455 #define CHECK_NUMBER_COERCE_MARKER(x, i) \
1456 do { if (MARKERP ((x))) XSETFASTINT (x, marker_position (x)); \
1457 else if (!INTEGERP ((x))) x = wrong_type_argument (Qinteger_or_marker_p, (x)); } while (0)
1459 #define XFLOATINT(n) extract_float((n))
1461 #define CHECK_FLOAT(x, i) \
1462 do { if (!FLOATP (x)) \
1463 x = wrong_type_argument (Qfloatp, (x)); } while (0)
1465 #define CHECK_NUMBER_OR_FLOAT(x, i) \
1466 do { if (!FLOATP (x) && !INTEGERP (x)) \
1467 x = wrong_type_argument (Qnumberp, (x)); } while (0)
1469 #define CHECK_NUMBER_OR_FLOAT_COERCE_MARKER(x, i) \
1470 do { if (MARKERP (x)) XSETFASTINT (x, marker_position (x)); \
1471 else if (!INTEGERP (x) && !FLOATP (x)) \
1472 x = wrong_type_argument (Qnumber_or_marker_p, (x)); } while (0)
1474 #define CHECK_OVERLAY(x, i) \
1475 do { if (!OVERLAYP ((x))) x = wrong_type_argument (Qoverlayp, (x));} while (0)
1477 /* Cast pointers to this type to compare them. Some machines want int. */
1478 #ifndef PNTR_COMPARISON_TYPE
1479 #define PNTR_COMPARISON_TYPE EMACS_UINT
1482 /* Define a built-in function for calling from Lisp.
1483 `lname' should be the name to give the function in Lisp,
1484 as a null-terminated C string.
1485 `fnname' should be the name of the function in C.
1486 By convention, it starts with F.
1487 `sname' should be the name for the C constant structure
1488 that records information on this function for internal use.
1489 By convention, it should be the same as `fnname' but with S instead of F.
1490 It's too bad that C macros can't compute this from `fnname'.
1491 `minargs' should be a number, the minimum number of arguments allowed.
1492 `maxargs' should be a number, the maximum number of arguments allowed,
1493 or else MANY or UNEVALLED.
1494 MANY means pass a vector of evaluated arguments,
1495 in the form of an integer number-of-arguments
1496 followed by the address of a vector of Lisp_Objects
1497 which contains the argument values.
1498 UNEVALLED means pass the list of unevaluated arguments
1499 `prompt' says how to read arguments for an interactive call.
1500 See the doc string for `interactive'.
1501 A null string means call interactively with no arguments.
1502 `doc' is documentation for the user. */
1504 #if (!defined (__STDC__) && !defined (PROTOTYPES)) \
1505 || defined (USE_NONANSI_DEFUN)
1507 #ifdef DOC_STRINGS_IN_COMMENTS
1509 #define DEFUN(lname, fnname, sname, minargs, maxargs, prompt, doc) \
1510 Lisp_Object fnname (); \
1511 struct Lisp_Subr sname = \
1512 { PVEC_SUBR | (sizeof (struct Lisp_Subr) / sizeof (EMACS_INT)), \
1513 fnname, minargs, maxargs, lname, prompt, 0}; \
1516 #else /* not DOC_STRINGS_IN_COMMENTS */
1518 #define DEFUN(lname, fnname, sname, minargs, maxargs, prompt, args) \
1519 Lisp_Object fnname (); \
1520 struct Lisp_Subr sname = \
1521 { PVEC_SUBR | (sizeof (struct Lisp_Subr) / sizeof (EMACS_INT)), \
1522 fnname, minargs, maxargs, lname, prompt, 0}; \
1523 Lisp_Object fnname args
1525 #endif /* not DOC_STRINGS_IN_COMMENTS */
1529 #ifdef DOC_STRINGS_IN_COMMENTS
1531 #define DEFUN(lname, fnname, sname, minargs, maxargs, prompt, args) \
1532 Lisp_Object fnname DEFUN_ARGS_ ## maxargs ; \
1533 struct Lisp_Subr sname = \
1534 { PVEC_SUBR | (sizeof (struct Lisp_Subr) / sizeof (EMACS_INT)), \
1535 fnname, minargs, maxargs, lname, prompt, 0}; \
1536 Lisp_Object fnname args
1538 #else /* not DOC_STRINGS_IN_COMMENTS */
1540 /* This version of DEFUN declares a function prototype with the right
1541 arguments, so we can catch errors with maxargs at compile-time. */
1542 #define DEFUN(lname, fnname, sname, minargs, maxargs, prompt, doc) \
1543 Lisp_Object fnname DEFUN_ARGS_ ## maxargs ; \
1544 struct Lisp_Subr sname = \
1545 { PVEC_SUBR | (sizeof (struct Lisp_Subr) / sizeof (EMACS_INT)), \
1546 fnname, minargs, maxargs, lname, prompt, 0}; \
1549 #endif /* not DOC_STRINGS_IN_COMMENTS */
1551 /* Note that the weird token-substitution semantics of ANSI C makes
1552 this work for MANY and UNEVALLED. */
1553 #define DEFUN_ARGS_MANY (int, Lisp_Object *)
1554 #define DEFUN_ARGS_UNEVALLED (Lisp_Object)
1555 #define DEFUN_ARGS_0 (void)
1556 #define DEFUN_ARGS_1 (Lisp_Object)
1557 #define DEFUN_ARGS_2 (Lisp_Object, Lisp_Object)
1558 #define DEFUN_ARGS_3 (Lisp_Object, Lisp_Object, Lisp_Object)
1559 #define DEFUN_ARGS_4 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object)
1560 #define DEFUN_ARGS_5 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, \
1562 #define DEFUN_ARGS_6 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, \
1563 Lisp_Object, Lisp_Object)
1564 #define DEFUN_ARGS_7 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, \
1565 Lisp_Object, Lisp_Object, Lisp_Object)
1566 #define DEFUN_ARGS_8 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, \
1567 Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object)
1570 /* Non-zero if OBJ is a Lisp function. */
1572 #define FUNCTIONP(OBJ) \
1573 ((CONSP (OBJ) && EQ (XCAR (OBJ), Qlambda)) \
1574 || (SYMBOLP (OBJ) && !NILP (Ffboundp (OBJ))) \
1575 || COMPILEDP (OBJ) \
1579 is how we define the symbol for function `name' at start-up time. */
1580 extern void defsubr
P_ ((struct Lisp_Subr
*));
1583 #define UNEVALLED -1
1585 extern void defvar_lisp
P_ ((char *, Lisp_Object
*));
1586 extern void defvar_lisp_nopro
P_ ((char *, Lisp_Object
*));
1587 extern void defvar_bool
P_ ((char *, int *));
1588 extern void defvar_int
P_ ((char *, int *));
1589 extern void defvar_per_buffer
P_ ((char *, Lisp_Object
*, Lisp_Object
, char *));
1590 extern void defvar_kboard
P_ ((char *, int));
1592 /* Macros we use to define forwarded Lisp variables.
1593 These are used in the syms_of_FILENAME functions. */
1595 #ifdef DOC_STRINGS_IN_COMMENTS
1597 #define DEFVAR_LISP(lname, vname) defvar_lisp (lname, vname)
1598 #define DEFVAR_LISP_NOPRO(lname, vname) defvar_lisp_nopro (lname, vname)
1599 #define DEFVAR_BOOL(lname, vname) defvar_bool (lname, vname)
1600 #define DEFVAR_INT(lname, vname) defvar_int (lname, vname)
1601 #define DEFVAR_PER_BUFFER(lname, vname, type) \
1602 defvar_per_buffer (lname, vname, type, 0)
1603 #define DEFVAR_KBOARD(lname, vname) \
1604 defvar_kboard (lname, \
1605 (int)((char *)(¤t_kboard->vname) \
1606 - (char *)current_kboard))
1608 #else /* not DOC_STRINGS_IN_COMMENTS */
1610 #define DEFVAR_LISP(lname, vname, doc) defvar_lisp (lname, vname)
1611 #define DEFVAR_LISP_NOPRO(lname, vname, doc) defvar_lisp_nopro (lname, vname)
1612 #define DEFVAR_BOOL(lname, vname, doc) defvar_bool (lname, vname)
1613 #define DEFVAR_INT(lname, vname, doc) defvar_int (lname, vname)
1614 #define DEFVAR_PER_BUFFER(lname, vname, type, doc) \
1615 defvar_per_buffer (lname, vname, type, 0)
1616 #define DEFVAR_KBOARD(lname, vname, doc) \
1617 defvar_kboard (lname, \
1618 (int)((char *)(¤t_kboard->vname) \
1619 - (char *)current_kboard))
1621 #endif /* not DOC_STRINGS_IN_COMMENTS */
1625 /* Structure for recording Lisp call stack for backtrace purposes. */
1627 /* The special binding stack holds the outer values of variables while
1628 they are bound by a function application or a let form, stores the
1629 code to be executed for Lisp unwind-protect forms, and stores the C
1630 functions to be called for record_unwind_protect.
1632 If func is non-zero, undoing this binding applies func to old_value;
1633 This implements record_unwind_protect.
1634 If func is zero and symbol is nil, undoing this binding evaluates
1635 the list of forms in old_value; this implements Lisp's unwind-protect
1638 Otherwise, the element is a variable binding.
1640 If the symbol field is a symbol, it is an ordinary variable binding.
1642 Otherwise, it should be a structure (SYMBOL WHERE
1643 . CURRENT-BUFFER), which means having bound a local value while
1644 CURRENT-BUFFER was active. If WHERE is nil this means we saw the
1645 default value when binding SYMBOL. WHERE being a buffer or frame
1646 means we saw a buffer-local or frame-local value. Other values of
1647 WHERE mean an internal error. */
1651 Lisp_Object symbol
, old_value
;
1652 Lisp_Object (*func
) P_ ((Lisp_Object
));
1653 Lisp_Object unused
; /* Dividing by 16 is faster than by 12 */
1656 extern struct specbinding
*specpdl
;
1657 extern struct specbinding
*specpdl_ptr
;
1658 extern int specpdl_size
;
1660 #define BINDING_STACK_SIZE() (specpdl_ptr - specpdl)
1662 /* Everything needed to describe an active condition case. */
1665 /* The handler clauses and variable from the condition-case form. */
1666 Lisp_Object handler
;
1668 /* Fsignal stores here the condition-case clause that applies,
1669 and Fcondition_case thus knows which clause to run. */
1670 Lisp_Object chosen_clause
;
1672 /* Used to effect the longjump out to the handler. */
1673 struct catchtag
*tag
;
1675 /* The next enclosing handler. */
1676 struct handler
*next
;
1679 extern struct handler
*handlerlist
;
1681 extern struct catchtag
*catchlist
;
1682 extern struct backtrace
*backtrace_list
;
1684 extern Lisp_Object memory_signal_data
;
1686 /* An address near the bottom of the stack.
1687 Tells GC how to save a copy of the stack. */
1688 extern char *stack_bottom
;
1690 /* Check quit-flag and quit if it is non-nil.
1691 Typing C-g does not directly cause a quit; it only sets Vquit_flag.
1692 So the program needs to do QUIT at times when it is safe to quit.
1693 Every loop that might run for a long time or might not exit
1694 ought to do QUIT at least once, at a safe place.
1695 Unless that is impossible, of course.
1696 But it is very desirable to avoid creating loops where QUIT is impossible.
1698 Exception: if you set immediate_quit to nonzero,
1699 then the handler that responds to the C-g does the quit itself.
1700 This is a good thing to do around a loop that has no side effects
1701 and (in particular) cannot call arbitrary Lisp code. */
1705 if (!NILP (Vquit_flag) && NILP (Vinhibit_quit)) \
1707 Vquit_flag = Qnil; \
1708 Fsignal (Qquit, Qnil); \
1712 /* Nonzero if ought to quit now. */
1714 #define QUITP (!NILP (Vquit_flag) && NILP (Vinhibit_quit))
1716 /* Variables used locally in the following case handling macros. */
1717 extern int case_temp1
;
1718 extern Lisp_Object case_temp2
;
1720 /* Current buffer's map from characters to lower-case characters. */
1722 #define DOWNCASE_TABLE current_buffer->downcase_table
1724 /* Current buffer's map from characters to upper-case characters. */
1726 #define UPCASE_TABLE current_buffer->upcase_table
1728 /* Downcase a character, or make no change if that cannot be done. */
1730 #define DOWNCASE(CH) \
1731 ((case_temp1 = (CH), \
1732 case_temp2 = CHAR_TABLE_REF (DOWNCASE_TABLE, case_temp1), \
1733 NATNUMP (case_temp2)) \
1734 ? XFASTINT (case_temp2) : case_temp1)
1736 /* 1 if CH is upper case. */
1738 #define UPPERCASEP(CH) (DOWNCASE (CH) != (CH))
1740 /* 1 if CH is neither upper nor lower case. */
1742 #define NOCASEP(CH) (UPCASE1 (CH) == (CH))
1744 /* 1 if CH is lower case. */
1746 #define LOWERCASEP(CH) (!UPPERCASEP (CH) && !NOCASEP(CH))
1748 /* Upcase a character, or make no change if that cannot be done. */
1750 #define UPCASE(CH) (!UPPERCASEP (CH) ? UPCASE1 (CH) : (CH))
1752 /* Upcase a character known to be not upper case. */
1754 #define UPCASE1(CH) \
1755 ((case_temp1 = (CH), \
1756 case_temp2 = CHAR_TABLE_REF (UPCASE_TABLE, case_temp1), \
1757 NATNUMP (case_temp2)) \
1758 ? XFASTINT (case_temp2) : case_temp1)
1760 extern Lisp_Object Vascii_downcase_table
;
1762 /* Number of bytes of structure consed since last GC. */
1764 extern int consing_since_gc
;
1766 /* Threshold for doing another gc. */
1768 extern int gc_cons_threshold
;
1770 /* Structure for recording stack slots that need marking. */
1772 /* This is a chain of structures, each of which points at a Lisp_Object variable
1773 whose value should be marked in garbage collection.
1774 Normally every link of the chain is an automatic variable of a function,
1775 and its `val' points to some argument or local variable of the function.
1776 On exit to the function, the chain is set back to the value it had on entry.
1777 This way, no link remains in the chain when the stack frame containing the
1780 Every function that can call Feval must protect in this fashion all
1781 Lisp_Object variables whose contents will be used again. */
1783 extern struct gcpro
*gcprolist
;
1789 /* Address of first protected variable. */
1790 volatile Lisp_Object
*var
;
1792 /* Number of consecutive protected variables. */
1800 /* Values of GC_MARK_STACK during compilation:
1802 0 Use GCPRO as before
1803 1 Do the real thing, make GCPROs and UNGCPRO no-ops.
1804 2 Mark the stack, and check that everything GCPRO'd is
1806 3 Mark using GCPRO's, mark stack last, and count how many
1807 dead objects are kept alive. */
1810 #define GC_USE_GCPROS_AS_BEFORE 0
1811 #define GC_MAKE_GCPROS_NOOPS 1
1812 #define GC_MARK_STACK_CHECK_GCPROS 2
1813 #define GC_USE_GCPROS_CHECK_ZOMBIES 3
1815 #ifndef GC_MARK_STACK
1816 #define GC_MARK_STACK GC_USE_GCPROS_AS_BEFORE
1819 #if GC_MARK_STACK == GC_MAKE_GCPROS_NOOPS
1821 #define GCPRO1(varname) ((void) 0)
1822 #define GCPRO2(varname1, varname2)((void) 0)
1823 #define GCPRO3(varname1, varname2, varname3) ((void) 0)
1824 #define GCPRO4(varname1, varname2, varname3, varname4) ((void) 0)
1825 #define GCPRO5(varname1, varname2, varname3, varname4, varname5) ((void) 0)
1826 #define UNGCPRO ((void) 0)
1828 #else /* GC_MARK_STACK != GC_MAKE_GCPROS_NOOPS */
1832 #define GCPRO1(varname) \
1833 {gcpro1.next = gcprolist; gcpro1.var = &varname; gcpro1.nvars = 1; \
1834 gcprolist = &gcpro1; }
1836 #define GCPRO2(varname1, varname2) \
1837 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
1838 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
1839 gcprolist = &gcpro2; }
1841 #define GCPRO3(varname1, varname2, varname3) \
1842 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
1843 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
1844 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
1845 gcprolist = &gcpro3; }
1847 #define GCPRO4(varname1, varname2, varname3, varname4) \
1848 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
1849 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
1850 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
1851 gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \
1852 gcprolist = &gcpro4; }
1854 #define GCPRO5(varname1, varname2, varname3, varname4, varname5) \
1855 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
1856 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
1857 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
1858 gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \
1859 gcpro5.next = &gcpro4; gcpro5.var = &varname5; gcpro5.nvars = 1; \
1860 gcprolist = &gcpro5; }
1862 #define UNGCPRO (gcprolist = gcpro1.next)
1866 extern int gcpro_level
;
1868 #define GCPRO1(varname) \
1869 {gcpro1.next = gcprolist; gcpro1.var = &varname; gcpro1.nvars = 1; \
1870 gcpro1.level = gcpro_level++; \
1871 gcprolist = &gcpro1; }
1873 #define GCPRO2(varname1, varname2) \
1874 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
1875 gcpro1.level = gcpro_level; \
1876 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
1877 gcpro2.level = gcpro_level++; \
1878 gcprolist = &gcpro2; }
1880 #define GCPRO3(varname1, varname2, varname3) \
1881 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
1882 gcpro1.level = gcpro_level; \
1883 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
1884 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
1885 gcpro3.level = gcpro_level++; \
1886 gcprolist = &gcpro3; }
1888 #define GCPRO4(varname1, varname2, varname3, varname4) \
1889 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
1890 gcpro1.level = gcpro_level; \
1891 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
1892 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
1893 gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \
1894 gcpro4.level = gcpro_level++; \
1895 gcprolist = &gcpro4; }
1897 #define GCPRO5(varname1, varname2, varname3, varname4, varname5) \
1898 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
1899 gcpro1.level = gcpro_level; \
1900 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
1901 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
1902 gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \
1903 gcpro5.next = &gcpro4; gcpro5.var = &varname5; gcpro5.nvars = 1; \
1904 gcpro5.level = gcpro_level++; \
1905 gcprolist = &gcpro5; }
1908 ((--gcpro_level != gcpro1.level) \
1910 : ((gcprolist = gcpro1.next), 0))
1912 #endif /* DEBUG_GCPRO */
1913 #endif /* GC_MARK_STACK != GC_MAKE_GCPROS_NOOPS */
1916 /* Evaluate expr, UNGCPRO, and then return the value of expr. */
1917 #define RETURN_UNGCPRO(expr) \
1920 Lisp_Object ret_ungc_val; \
1921 ret_ungc_val = (expr); \
1923 return ret_ungc_val; \
1927 /* Call staticpro (&var) to protect static variable `var'. */
1929 void staticpro
P_ ((Lisp_Object
*));
1931 /* Declare a Lisp-callable function. The MAXARGS parameter has the same
1932 meaning as in the DEFUN macro, and is used to construct a prototype. */
1933 #if (!defined (__STDC__) && !defined (PROTOTYPES)) \
1934 || defined (USE_NONANSI_DEFUN)
1935 #define EXFUN(fnname, maxargs) \
1936 extern Lisp_Object fnname ()
1938 /* We can use the same trick as in the DEFUN macro to generate the
1939 appropriate prototype. */
1940 #define EXFUN(fnname, maxargs) \
1941 extern Lisp_Object fnname DEFUN_ARGS_ ## maxargs
1944 /* Forward declarations for prototypes. */
1948 /* Defined in data.c */
1949 extern Lisp_Object Qnil
, Qt
, Qquote
, Qlambda
, Qsubr
, Qunbound
;
1950 extern Lisp_Object Qerror_conditions
, Qerror_message
, Qtop_level
;
1951 extern Lisp_Object Qerror
, Qquit
, Qwrong_type_argument
, Qargs_out_of_range
;
1952 extern Lisp_Object Qvoid_variable
, Qvoid_function
;
1953 extern Lisp_Object Qsetting_constant
, Qinvalid_read_syntax
;
1954 extern Lisp_Object Qinvalid_function
, Qwrong_number_of_arguments
, Qno_catch
;
1955 extern Lisp_Object Qend_of_file
, Qarith_error
;
1956 extern Lisp_Object Qbeginning_of_buffer
, Qend_of_buffer
, Qbuffer_read_only
;
1957 extern Lisp_Object Qmark_inactive
, Qtext_read_only
;
1959 extern Lisp_Object Qrange_error
, Qdomain_error
, Qsingularity_error
;
1960 extern Lisp_Object Qoverflow_error
, Qunderflow_error
;
1962 extern Lisp_Object Qintegerp
, Qnumberp
, Qnatnump
, Qwholenump
;
1963 extern Lisp_Object Qsymbolp
, Qlistp
, Qconsp
;
1964 extern Lisp_Object Qstringp
, Qarrayp
, Qsequencep
, Qbufferp
;
1965 extern Lisp_Object Qchar_or_string_p
, Qmarkerp
, Qvectorp
;
1966 extern Lisp_Object Qinteger_or_marker_p
, Qnumber_or_marker_p
;
1967 extern Lisp_Object Qchar_table_p
, Qvector_or_char_table_p
;
1968 extern Lisp_Object Qboundp
, Qfboundp
;
1969 extern Lisp_Object Qbuffer_or_string_p
;
1970 extern Lisp_Object Qcdr
;
1972 extern Lisp_Object Qfloatp
, Qinteger_or_floatp
, Qinteger_or_float_or_marker_p
;
1974 extern Lisp_Object Qframep
;
1976 extern void circular_list_error
P_ ((Lisp_Object
));
1984 EXFUN (Fintegerp
, 1);
1985 EXFUN (Fnatnump
, 1);
1986 EXFUN (Fsymbolp
, 1);
1987 EXFUN (Fvectorp
, 1);
1988 EXFUN (Fstringp
, 1);
1989 EXFUN (Fmultibyte_string_p
, 1);
1991 EXFUN (Fsequencep
, 1);
1992 EXFUN (Fbufferp
, 1);
1993 EXFUN (Fmarkerp
, 1);
1995 EXFUN (Fchar_or_string_p
, 1);
1996 EXFUN (Finteger_or_marker_p
, 1);
1998 EXFUN (Finteger_or_floatp
, 1);
1999 EXFUN (Finteger_or_float_or_marker_p
, 1);
2002 EXFUN (Fcar_safe
, 1);
2004 EXFUN (Fcdr_safe
, 1);
2008 EXFUN (Ffboundp
, 1);
2009 EXFUN (Fmakunbound
, 1);
2010 EXFUN (Ffmakunbound
, 1);
2011 EXFUN (Fsymbol_function
, 1);
2012 EXFUN (Fsymbol_plist
, 1);
2013 EXFUN (Fsymbol_name
, 1);
2014 extern Lisp_Object indirect_function
P_ ((Lisp_Object
));
2015 EXFUN (Findirect_function
, 1);
2017 EXFUN (Fsetplist
, 2);
2018 EXFUN (Fsymbol_value
, 1);
2019 extern Lisp_Object find_symbol_value
P_ ((Lisp_Object
));
2021 EXFUN (Fdefault_value
, 1);
2022 EXFUN (Fset_default
, 2);
2023 EXFUN (Fdefault_boundp
, 1);
2024 EXFUN (Fmake_local_variable
, 1);
2025 EXFUN (Flocal_variable_p
, 2);
2026 EXFUN (Flocal_variable_if_set_p
, 2);
2031 EXFUN (Fstring_to_number
, 2);
2032 EXFUN (Fnumber_to_string
, 1);
2033 EXFUN (Feqlsign
, 2);
2040 EXFUN (Fplus
, MANY
);
2041 EXFUN (Fminus
, MANY
);
2042 EXFUN (Ftimes
, MANY
);
2047 EXFUN (Flogand
, MANY
);
2048 EXFUN (Flogior
, MANY
);
2049 EXFUN (Flogxor
, MANY
);
2056 EXFUN (Fmake_variable_buffer_local
, 1);
2058 extern Lisp_Object indirect_variable
P_ ((Lisp_Object
));
2059 extern Lisp_Object long_to_cons
P_ ((unsigned long));
2060 extern unsigned long cons_to_long
P_ ((Lisp_Object
));
2061 extern void args_out_of_range
P_ ((Lisp_Object
, Lisp_Object
));
2062 extern void args_out_of_range_3
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
));
2063 extern Lisp_Object wrong_type_argument
P_ ((Lisp_Object
, Lisp_Object
));
2064 extern void store_symval_forwarding
P_ ((Lisp_Object
, Lisp_Object
,
2065 Lisp_Object
, struct buffer
*));
2066 extern Lisp_Object do_symval_forwarding
P_ ((Lisp_Object
));
2067 extern Lisp_Object set_internal
P_ ((Lisp_Object
, Lisp_Object
, struct buffer
*, int));
2068 extern void syms_of_data
P_ ((void));
2069 extern void init_data
P_ ((void));
2070 extern void swap_in_global_binding
P_ ((Lisp_Object
));
2072 /* Defined in cmds.c */
2073 EXFUN (Fend_of_line
, 1);
2074 EXFUN (Fforward_char
, 1);
2075 EXFUN (Fforward_line
, 1);
2076 extern int forward_point
P_ ((int));
2077 extern int internal_self_insert
P_ ((int, int));
2078 extern void syms_of_cmds
P_ ((void));
2079 extern void keys_of_cmds
P_ ((void));
2081 /* Defined in coding.c */
2082 EXFUN (Fcoding_system_p
, 1);
2083 EXFUN (Fcheck_coding_system
, 1);
2084 EXFUN (Fread_coding_system
, 2);
2085 EXFUN (Fread_non_nil_coding_system
, 1);
2086 EXFUN (Ffind_operation_coding_system
, MANY
);
2087 EXFUN (Fencode_coding_string
, 3);
2088 EXFUN (Fdecode_coding_string
, 3);
2089 extern Lisp_Object detect_coding_system
P_ ((unsigned char *, int, int, int));
2090 Lisp_Object code_convert_string_norecord
P_ ((Lisp_Object
, Lisp_Object
, int));
2091 extern void init_coding
P_ ((void));
2092 extern void init_coding_once
P_ ((void));
2093 extern void syms_of_coding
P_ ((void));
2094 extern Lisp_Object code_convert_string_norecord
P_ ((Lisp_Object
, Lisp_Object
,
2097 /* Defined in charset.c */
2098 extern int nonascii_insert_offset
;
2099 extern Lisp_Object Vnonascii_translation_table
;
2100 EXFUN (Fchar_bytes
, 1);
2101 EXFUN (Fchar_width
, 1);
2102 EXFUN (Fstring
, MANY
);
2103 extern int chars_in_text
P_ ((unsigned char *, int));
2104 extern int multibyte_chars_in_text
P_ ((unsigned char *, int));
2105 extern int unibyte_char_to_multibyte
P_ ((int));
2106 extern int multibyte_char_to_unibyte
P_ ((int, Lisp_Object
));
2107 extern Lisp_Object Qcharset
;
2108 extern void init_charset_once
P_ ((void));
2109 extern void syms_of_charset
P_ ((void));
2111 /* Defined in syntax.c */
2112 EXFUN (Fforward_word
, 1);
2113 EXFUN (Fskip_chars_forward
, 2);
2114 EXFUN (Fskip_chars_backward
, 2);
2115 EXFUN (Fsyntax_table_p
, 1);
2116 EXFUN (Fsyntax_table
, 0);
2117 EXFUN (Fset_syntax_table
, 1);
2118 extern void init_syntax_once
P_ ((void));
2119 extern void syms_of_syntax
P_ ((void));
2121 /* Defined in fns.c */
2122 extern int use_dialog_box
;
2123 extern int next_almost_prime
P_ ((int));
2124 extern Lisp_Object larger_vector
P_ ((Lisp_Object
, int, Lisp_Object
));
2125 extern void sweep_weak_hash_tables
P_ ((void));
2126 extern Lisp_Object Qstring_lessp
;
2127 EXFUN (Foptimize_char_table
, 1);
2128 extern Lisp_Object Vfeatures
;
2129 extern Lisp_Object QCtest
, QCweakness
, Qequal
;
2130 unsigned sxhash
P_ ((Lisp_Object
, int));
2131 Lisp_Object make_hash_table
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
,
2132 Lisp_Object
, Lisp_Object
, Lisp_Object
,
2134 Lisp_Object copy_hash_table
P_ ((struct Lisp_Hash_Table
*));
2135 int hash_lookup
P_ ((struct Lisp_Hash_Table
*, Lisp_Object
, unsigned *));
2136 int hash_put
P_ ((struct Lisp_Hash_Table
*, Lisp_Object
, Lisp_Object
,
2138 void hash_remove
P_ ((struct Lisp_Hash_Table
*, Lisp_Object
));
2139 void hash_clear
P_ ((struct Lisp_Hash_Table
*));
2140 void remove_hash_entry
P_ ((struct Lisp_Hash_Table
*, int));
2141 extern void init_fns
P_ ((void));
2143 EXFUN (Fmake_hash_table
, MANY
);
2144 EXFUN (Fcopy_hash_table
, 1);
2145 EXFUN (Fhash_table_count
, 1);
2146 EXFUN (Fhash_table_rehash_size
, 1);
2147 EXFUN (Fhash_table_rehash_threshold
, 1);
2148 EXFUN (Fhash_table_size
, 1);
2149 EXFUN (Fhash_table_test
, 1);
2150 EXFUN (Fhash_table_weak
, 1);
2151 EXFUN (Fhash_table_p
, 1);
2152 EXFUN (Fclrhash
, 1);
2153 EXFUN (Fgethash
, 3);
2154 EXFUN (Fputhash
, 3);
2155 EXFUN (Fremhash
, 2);
2156 EXFUN (Fmaphash
, 2);
2157 EXFUN (Fdefine_hash_table_test
, 3);
2159 EXFUN (Fidentity
, 1);
2162 EXFUN (Fsafe_length
, 1);
2163 EXFUN (Fappend
, MANY
);
2164 EXFUN (Fconcat
, MANY
);
2165 EXFUN (Fvconcat
, MANY
);
2166 EXFUN (Fcopy_sequence
, 1);
2167 EXFUN (Fstring_make_multibyte
, 1);
2168 EXFUN (Fstring_make_unibyte
, 1);
2169 EXFUN (Fstring_as_multibyte
, 1);
2170 EXFUN (Fstring_as_unibyte
, 1);
2171 EXFUN (Fsubstring
, 3);
2172 extern Lisp_Object substring_both
P_ ((Lisp_Object
, int, int, int, int));
2183 EXFUN (Freverse
, 1);
2184 EXFUN (Fnreverse
, 1);
2188 EXFUN (Ffillarray
, 2);
2189 EXFUN (Fnconc
, MANY
);
2191 EXFUN (Fmapconcat
, 3);
2192 EXFUN (Fy_or_n_p
, 1);
2193 extern Lisp_Object do_yes_or_no_p
P_ ((Lisp_Object
));
2194 EXFUN (Frequire
, 3);
2195 EXFUN (Fprovide
, 2);
2196 extern Lisp_Object concat2
P_ ((Lisp_Object
, Lisp_Object
));
2197 extern Lisp_Object concat3
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
));
2198 extern Lisp_Object nconc2
P_ ((Lisp_Object
, Lisp_Object
));
2199 extern Lisp_Object assq_no_quit
P_ ((Lisp_Object
, Lisp_Object
));
2200 extern void clear_string_char_byte_cache
P_ ((void));
2201 extern int string_char_to_byte
P_ ((Lisp_Object
, int));
2202 extern int string_byte_to_char
P_ ((Lisp_Object
, int));
2203 extern Lisp_Object string_make_multibyte
P_ ((Lisp_Object
));
2204 extern Lisp_Object string_make_unibyte
P_ ((Lisp_Object
));
2205 EXFUN (Fcopy_alist
, 1);
2206 EXFUN (Fplist_get
, 2);
2207 EXFUN (Fplist_put
, 3);
2208 EXFUN (Fset_char_table_parent
, 2);
2209 EXFUN (Fchar_table_extra_slot
, 2);
2210 EXFUN (Fset_char_table_extra_slot
, 3);
2212 EXFUN (Fstring_equal
, 2);
2213 EXFUN (Fcompare_strings
, 7);
2214 EXFUN (Fstring_lessp
, 2);
2215 extern int char_table_translate
P_ ((Lisp_Object
, int));
2216 extern void map_char_table
P_ ((void (*) (Lisp_Object
, Lisp_Object
, Lisp_Object
),
2217 Lisp_Object
, Lisp_Object
, Lisp_Object
, int,
2219 extern Lisp_Object char_table_ref_and_index
P_ ((Lisp_Object
, int, int *));
2220 extern void syms_of_fns
P_ ((void));
2222 /* Defined in floatfns.c */
2223 extern double extract_float
P_ ((Lisp_Object
));
2225 EXFUN (Ftruncate
, 2);
2226 extern void init_floatfns
P_ ((void));
2227 extern void syms_of_floatfns
P_ ((void));
2229 /* Defined in insdel.c */
2230 extern Lisp_Object Qinhibit_modification_hooks
;
2231 extern void move_gap
P_ ((int));
2232 extern void move_gap_both
P_ ((int, int));
2233 extern void make_gap
P_ ((int));
2234 extern int copy_text
P_ ((unsigned char *, unsigned char *, int, int, int));
2235 extern int count_size_as_multibyte
P_ ((unsigned char *, int));
2236 extern int count_combining_before
P_ ((unsigned char *, int, int, int));
2237 extern int count_combining_after
P_ ((unsigned char *, int, int, int));
2238 extern void insert
P_ ((unsigned char *, int));
2239 extern void insert_and_inherit
P_ ((unsigned char *, int));
2240 extern void insert_1
P_ ((unsigned char *, int, int, int, int));
2241 extern void insert_1_both
P_ ((unsigned char *, int, int, int, int, int));
2242 extern void insert_from_string
P_ ((Lisp_Object
, int, int, int, int, int));
2243 extern void insert_from_buffer
P_ ((struct buffer
*, int, int, int));
2244 extern void insert_char
P_ ((int));
2245 extern void insert_string
P_ ((char *));
2246 extern void insert_before_markers
P_ ((unsigned char *, int));
2247 extern void insert_before_markers_and_inherit
P_ ((unsigned char *, int));
2248 extern void insert_from_string_before_markers
P_ ((Lisp_Object
, int, int, int, int, int));
2249 extern void del_range
P_ ((int, int));
2250 extern Lisp_Object del_range_1
P_ ((int, int, int, int));
2251 extern void del_range_byte
P_ ((int, int, int));
2252 extern void del_range_both
P_ ((int, int, int, int, int));
2253 extern Lisp_Object del_range_2
P_ ((int, int, int, int, int));
2254 extern void modify_region
P_ ((struct buffer
*, int, int));
2255 extern void prepare_to_modify_buffer
P_ ((int, int, int *));
2256 extern void signal_before_change
P_ ((int, int, int *));
2257 extern void signal_after_change
P_ ((int, int, int));
2258 extern void adjust_after_replace
P_ ((int, int, Lisp_Object
, int, int));
2259 extern void adjust_after_insert
P_ ((int, int, int, int, int));
2260 extern void replace_range
P_ ((int, int, Lisp_Object
, int, int, int));
2261 extern void syms_of_insdel
P_ ((void));
2263 /* Defined in dispnew.c */
2264 extern Lisp_Object selected_frame
;
2266 EXFUN (Fredraw_frame
, 1);
2267 EXFUN (Fredraw_display
, 0);
2268 EXFUN (Fsleep_for
, 2);
2269 EXFUN (Fsit_for
, 3);
2270 extern Lisp_Object sit_for
P_ ((int, int, int, int, int));
2271 extern void init_display
P_ ((void));
2272 extern void syms_of_display
P_ ((void));
2273 extern void safe_bcopy
P_ ((char *, char *, int));
2275 /* Defined in xdisp.c */
2276 extern Lisp_Object Qinhibit_point_motion_hooks
;
2277 extern Lisp_Object Qinhibit_redisplay
, Qdisplay
;
2278 extern Lisp_Object Qinhibit_eval_during_redisplay
;
2279 extern Lisp_Object Qmessage_truncate_lines
;
2280 extern Lisp_Object Vmessage_log_max
;
2281 extern int message_enable_multibyte
;
2282 extern Lisp_Object echo_area_buffer
[2];
2283 extern void check_message_stack
P_ ((void));
2284 extern void setup_echo_area_for_printing
P_ ((int));
2285 extern int push_message
P_ ((void));
2286 extern Lisp_Object push_message_unwind
P_ ((Lisp_Object
));
2287 extern void pop_message
P_ ((void));
2288 extern void restore_message
P_ ((void));
2289 extern Lisp_Object current_message
P_ ((void));
2290 extern void set_message
P_ ((char *s
, Lisp_Object
, int, int));
2291 extern void clear_message
P_ ((int, int));
2292 extern void message
P_ ((/* char *, ... */));
2293 extern void message_nolog
P_ ((/* char *, ... */));
2294 extern void message1
P_ ((char *));
2295 extern void message1_nolog
P_ ((char *));
2296 extern void message2
P_ ((char *, int, int));
2297 extern void message2_nolog
P_ ((char *, int, int));
2298 extern void message3
P_ ((Lisp_Object
, int, int));
2299 extern void message3_nolog
P_ ((Lisp_Object
, int, int));
2300 extern void message_dolog
P_ ((char *, int, int, int));
2301 extern void message_with_string
P_ ((char *, Lisp_Object
, int));
2302 extern void message_log_maybe_newline
P_ ((void));
2303 extern void update_echo_area
P_ ((void));
2304 extern void truncate_echo_area
P_ ((int));
2305 extern void redisplay
P_ ((void));
2306 extern int check_point_in_composition
2307 P_ ((struct buffer
*, int, struct buffer
*, int));
2308 extern void redisplay_preserve_echo_area
P_ ((int));
2309 extern void mark_window_display_accurate
P_ ((Lisp_Object
, int));
2310 extern void prepare_menu_bars
P_ ((void));
2311 extern void syms_of_xdisp
P_ ((void));
2312 extern void init_xdisp
P_ ((void));
2313 extern Lisp_Object safe_eval
P_ ((Lisp_Object
));
2314 extern int pos_visible_p
P_ ((struct window
*, int, int *, int));
2316 /* Defined in vm-limit.c. */
2317 extern void memory_warnings
P_ ((POINTER_TYPE
*, void (*warnfun
) ()));
2319 /* Defined in alloc.c */
2320 extern void check_pure_size
P_ ((void));
2321 extern void allocate_string_data
P_ ((struct Lisp_String
*, int, int));
2322 extern void uninterrupt_malloc
P_ ((void));
2323 extern void malloc_warning
P_ ((char *));
2324 extern void memory_full
P_ ((void));
2325 extern void buffer_memory_full
P_ ((void));
2326 extern int survives_gc_p
P_ ((Lisp_Object
));
2327 extern void mark_object
P_ ((Lisp_Object
*));
2328 extern Lisp_Object Vpurify_flag
;
2334 EXFUN (Flist
, MANY
);
2335 EXFUN (Fmake_list
, 2);
2336 extern Lisp_Object allocate_misc
P_ ((void));
2337 EXFUN (Fmake_vector
, 2);
2338 EXFUN (Fvector
, MANY
);
2339 EXFUN (Fmake_symbol
, 1);
2340 EXFUN (Fmake_marker
, 0);
2341 EXFUN (Fmake_string
, 2);
2342 extern Lisp_Object build_string
P_ ((char *));
2343 extern Lisp_Object make_string
P_ ((char *, int));
2344 extern Lisp_Object make_unibyte_string
P_ ((char *, int));
2345 extern Lisp_Object make_multibyte_string
P_ ((char *, int, int));
2346 extern Lisp_Object make_event_array
P_ ((int, Lisp_Object
*));
2347 extern Lisp_Object make_uninit_string
P_ ((int));
2348 extern Lisp_Object make_uninit_multibyte_string
P_ ((int, int));
2349 extern Lisp_Object make_string_from_bytes
P_ ((char *, int, int));
2350 extern Lisp_Object make_specified_string
P_ ((char *, int, int, int));
2351 EXFUN (Fpurecopy
, 1);
2352 extern Lisp_Object make_pure_string
P_ ((char *, int, int, int));
2353 extern Lisp_Object pure_cons
P_ ((Lisp_Object
, Lisp_Object
));
2354 extern Lisp_Object make_pure_vector
P_ ((EMACS_INT
));
2355 EXFUN (Fgarbage_collect
, 0);
2356 EXFUN (Fmake_byte_code
, MANY
);
2357 EXFUN (Fmake_bool_vector
, 2);
2358 EXFUN (Fmake_char_table
, 2);
2359 extern Lisp_Object make_sub_char_table
P_ ((Lisp_Object
));
2360 extern Lisp_Object Qchar_table_extra_slots
;
2361 extern struct Lisp_Vector
*allocate_vector
P_ ((EMACS_INT
));
2362 extern struct Lisp_Vector
*allocate_other_vector
P_ ((EMACS_INT
));
2363 extern struct Lisp_Hash_Table
*allocate_hash_table
P_ ((void));
2364 extern struct window
*allocate_window
P_ ((void));
2365 extern struct frame
*allocate_frame
P_ ((void));
2366 extern struct Lisp_Process
*allocate_process
P_ ((void));
2367 extern int gc_in_progress
;
2368 extern Lisp_Object make_float
P_ ((double));
2369 extern void display_malloc_warning
P_ ((void));
2370 extern int inhibit_garbage_collection
P_ ((void));
2371 extern void free_marker
P_ ((Lisp_Object
));
2372 extern void free_cons
P_ ((struct Lisp_Cons
*));
2373 extern void init_alloc_once
P_ ((void));
2374 extern void init_alloc
P_ ((void));
2375 extern void syms_of_alloc
P_ ((void));
2376 extern struct buffer
* allocate_buffer
P_ ((void));
2378 /* Defined in print.c */
2379 extern Lisp_Object Vprin1_to_string_buffer
;
2380 extern void debug_print
P_ ((Lisp_Object
));
2382 EXFUN (Fprin1_to_string
, 2);
2386 EXFUN (Ferror_message_string
, 1);
2387 extern Lisp_Object Vstandard_output
, Qstandard_output
;
2388 extern Lisp_Object Qexternal_debugging_output
;
2389 extern void temp_output_buffer_setup
P_ ((char *));
2390 extern int print_level
, print_escape_newlines
;
2391 extern Lisp_Object Qprint_escape_newlines
;
2392 extern void write_string
P_ ((char *, int));
2393 extern void write_string_1
P_ ((char *, int, Lisp_Object
));
2394 extern void print_error_message
P_ ((Lisp_Object
, Lisp_Object
));
2395 extern Lisp_Object internal_with_output_to_temp_buffer
2396 P_ ((char *, Lisp_Object (*) (Lisp_Object
), Lisp_Object
));
2397 extern void float_to_string
P_ ((unsigned char *, double));
2398 extern void syms_of_print
P_ ((void));
2400 /* Defined in doprnt.c */
2401 extern int doprnt
P_ ((char *, int, char *, char *, int, char **));
2402 extern int doprnt_lisp
P_ ((char *, int, char *, char *, int, char **));
2404 /* Defined in lread.c */
2405 extern Lisp_Object Qvariable_documentation
, Qstandard_input
;
2406 extern Lisp_Object Vobarray
, initial_obarray
, Vstandard_input
;
2408 EXFUN (Fread_from_string
, 3);
2410 EXFUN (Fintern_soft
, 2);
2412 EXFUN (Fget_file_char
, 0);
2413 EXFUN (Fread_char
, 2);
2414 EXFUN (Fread_event
, 2);
2415 extern Lisp_Object read_filtered_event
P_ ((int, int, int, int));
2416 EXFUN (Feval_region
, 4);
2417 extern Lisp_Object intern
P_ ((char *));
2418 extern Lisp_Object make_symbol
P_ ((char *));
2419 extern Lisp_Object oblookup
P_ ((Lisp_Object
, char *, int, int));
2420 #define LOADHIST_ATTACH(x) \
2421 if (initialized) Vcurrent_load_list = Fcons (x, Vcurrent_load_list)
2422 extern Lisp_Object Vcurrent_load_list
;
2423 extern Lisp_Object Vload_history
, Vload_suffixes
;
2424 extern int openp
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
,
2425 Lisp_Object
*, int));
2426 extern int isfloat_string
P_ ((char *));
2427 extern void map_obarray
P_ ((Lisp_Object
, void (*) (Lisp_Object
, Lisp_Object
),
2429 extern void dir_warning
P_ ((char *, Lisp_Object
));
2430 extern void close_load_descs
P_ ((void));
2431 extern void init_obarray
P_ ((void));
2432 extern void init_lread
P_ ((void));
2433 extern void syms_of_lread
P_ ((void));
2435 /* Defined in eval.c */
2436 extern Lisp_Object Qautoload
, Qexit
, Qinteractive
, Qcommandp
, Qdefun
, Qmacro
;
2437 extern Lisp_Object Vinhibit_quit
, Qinhibit_quit
, Vquit_flag
;
2438 extern Lisp_Object Vmocklisp_arguments
, Qmocklisp
, Qmocklisp_arguments
;
2439 extern Lisp_Object Vautoload_queue
;
2440 extern Lisp_Object Vdebug_on_error
;
2441 extern Lisp_Object Vsignaling_function
;
2442 extern int handling_signal
;
2443 extern int interactive_p
P_ ((int));
2445 /* To run a normal hook, use the appropriate function from the list below.
2446 The calling convention:
2448 if (!NILP (Vrun_hooks))
2449 call1 (Vrun_hooks, Qmy_funny_hook);
2451 should no longer be used. */
2452 extern Lisp_Object Vrun_hooks
;
2453 EXFUN (Frun_hooks
, MANY
);
2454 EXFUN (Frun_hook_with_args
, MANY
);
2455 EXFUN (Frun_hook_with_args_until_success
, MANY
);
2456 EXFUN (Frun_hook_with_args_until_failure
, MANY
);
2457 extern Lisp_Object run_hook_list_with_args
P_ ((Lisp_Object
, int, Lisp_Object
*));
2458 extern void run_hook_with_args_2
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
));
2459 EXFUN (Fand
, UNEVALLED
);
2460 EXFUN (For
, UNEVALLED
);
2461 EXFUN (Fif
, UNEVALLED
);
2462 EXFUN (Fprogn
, UNEVALLED
);
2463 EXFUN (Fprog1
, UNEVALLED
);
2464 EXFUN (Fprog2
, UNEVALLED
);
2465 EXFUN (Fsetq
, UNEVALLED
);
2466 EXFUN (Fquote
, UNEVALLED
);
2467 EXFUN (Fuser_variable_p
, 1);
2468 EXFUN (Finteractive_p
, 0);
2469 EXFUN (Fdefun
, UNEVALLED
);
2470 EXFUN (Flet
, UNEVALLED
);
2471 EXFUN (FletX
, UNEVALLED
);
2472 EXFUN (Fwhile
, UNEVALLED
);
2473 EXFUN (Fcatch
, UNEVALLED
);
2474 EXFUN (Fthrow
, 2) NO_RETURN
;
2475 EXFUN (Funwind_protect
, UNEVALLED
);
2476 EXFUN (Fcondition_case
, UNEVALLED
);
2478 EXFUN (Fautoload
, 5);
2479 EXFUN (Fcommandp
, 1);
2481 EXFUN (Fapply
, MANY
);
2482 EXFUN (Ffuncall
, MANY
);
2483 EXFUN (Fbacktrace
, 0);
2484 extern Lisp_Object apply1
P_ ((Lisp_Object
, Lisp_Object
));
2485 extern Lisp_Object call0
P_ ((Lisp_Object
));
2486 extern Lisp_Object call1
P_ ((Lisp_Object
, Lisp_Object
));
2487 extern Lisp_Object call2
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
));
2488 extern Lisp_Object call3
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
));
2489 extern Lisp_Object call4
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
));
2490 extern Lisp_Object call5
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
));
2491 extern Lisp_Object call6
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
));
2492 EXFUN (Fdo_auto_save
, 2);
2493 extern Lisp_Object apply_lambda
P_ ((Lisp_Object
, Lisp_Object
, int));
2494 extern Lisp_Object internal_catch
P_ ((Lisp_Object
, Lisp_Object (*) (Lisp_Object
), Lisp_Object
));
2495 extern Lisp_Object internal_condition_case
P_ ((Lisp_Object (*) (void), Lisp_Object
, Lisp_Object (*) (Lisp_Object
)));
2496 extern Lisp_Object internal_condition_case_1
P_ ((Lisp_Object (*) (Lisp_Object
), Lisp_Object
, Lisp_Object
, Lisp_Object (*) (Lisp_Object
)));
2497 extern Lisp_Object internal_condition_case_2
P_ ((Lisp_Object (*) (int, Lisp_Object
*), int, Lisp_Object
*, Lisp_Object
, Lisp_Object (*) (Lisp_Object
)));
2498 extern void specbind
P_ ((Lisp_Object
, Lisp_Object
));
2499 extern void record_unwind_protect
P_ ((Lisp_Object (*) (Lisp_Object
), Lisp_Object
));
2500 extern Lisp_Object unbind_to
P_ ((int, Lisp_Object
));
2501 extern void error
P_ ((/* char *, ... */)) NO_RETURN
;
2502 extern void do_autoload
P_ ((Lisp_Object
, Lisp_Object
));
2503 extern Lisp_Object un_autoload
P_ ((Lisp_Object
));
2504 EXFUN (Ffetch_bytecode
, 1);
2505 extern void init_eval_once
P_ ((void));
2506 extern Lisp_Object safe_call
P_ ((int, Lisp_Object
*));
2507 extern Lisp_Object safe_call1
P_ ((Lisp_Object
, Lisp_Object
));
2508 extern void init_eval
P_ ((void));
2509 extern void syms_of_eval
P_ ((void));
2511 /* Defined in editfns.c */
2512 EXFUN (Fcurrent_message
, 0);
2513 EXFUN (Fgoto_char
, 1);
2514 EXFUN (Fpoint_min_marker
, 0);
2515 EXFUN (Fpoint_max_marker
, 0);
2516 EXFUN (Fpoint_min
, 0);
2517 EXFUN (Fpoint_max
, 0);
2519 EXFUN (Fpoint_marker
, 0);
2520 EXFUN (Fmark_marker
, 0);
2521 EXFUN (Fline_beginning_position
, 1);
2522 EXFUN (Fline_end_position
, 1);
2523 EXFUN (Ffollowing_char
, 0);
2524 EXFUN (Fprevious_char
, 0);
2525 EXFUN (Fchar_after
, 1);
2526 EXFUN (Finsert
, MANY
);
2527 EXFUN (Finsert_and_inherit
, MANY
);
2528 EXFUN (Finsert_before_markers
, MANY
);
2529 EXFUN (Finsert_buffer_substring
, 3);
2530 EXFUN (Finsert_char
, 3);
2531 extern void insert1
P_ ((Lisp_Object
));
2536 EXFUN (Fformat
, MANY
);
2537 EXFUN (Fmessage
, MANY
);
2538 extern Lisp_Object format1
P_ ((/* char *, ... */));
2539 extern Lisp_Object make_buffer_string
P_ ((int, int, int));
2540 EXFUN (Fbuffer_substring
, 2);
2541 EXFUN (Fbuffer_string
, 0);
2542 extern Lisp_Object save_excursion_save
P_ ((void));
2543 extern Lisp_Object save_restriction_save
P_ ((void));
2544 extern Lisp_Object save_excursion_restore
P_ ((Lisp_Object
));
2545 extern Lisp_Object save_restriction_restore
P_ ((Lisp_Object
));
2546 EXFUN (Fchar_to_string
, 1);
2547 EXFUN (Fdelete_region
, 2);
2548 EXFUN (Fnarrow_to_region
, 2);
2550 EXFUN (Fuser_login_name
, 1);
2551 EXFUN (Fsystem_name
, 0);
2552 EXFUN (Fcurrent_time
, 0);
2553 extern int clip_to_bounds
P_ ((int, int, int));
2554 extern Lisp_Object make_buffer_string
P_ ((int, int, int));
2555 extern Lisp_Object make_buffer_string_both
P_ ((int, int, int, int, int));
2556 extern void init_editfns
P_ ((void));
2557 extern void syms_of_editfns
P_ ((void));
2558 EXFUN (Fcurrent_message
, 0);
2559 extern Lisp_Object Vinhibit_field_text_motion
;
2560 EXFUN (Fconstrain_to_field
, 5);
2561 EXFUN (Ffield_string
, 1);
2562 EXFUN (Fdelete_field
, 1);
2563 EXFUN (Ffield_beginning
, 2);
2564 EXFUN (Ffield_end
, 2);
2565 EXFUN (Ffield_string_no_properties
, 1);
2566 extern void set_time_zone_rule
P_ ((char *));
2568 /* defined in buffer.c */
2569 extern int mouse_face_overlay_overlaps
P_ ((Lisp_Object
));
2570 extern void nsberror
P_ ((Lisp_Object
));
2571 extern char *no_switch_window
P_ ((Lisp_Object window
));
2572 EXFUN (Fset_buffer_multibyte
, 1);
2573 EXFUN (Foverlay_start
, 1);
2574 EXFUN (Foverlay_end
, 1);
2575 extern void adjust_overlays_for_insert
P_ ((int, int));
2576 extern void adjust_overlays_for_delete
P_ ((int, int));
2577 extern void fix_overlays_in_range
P_ ((int, int));
2578 extern void report_overlay_modification
P_ ((Lisp_Object
, Lisp_Object
, int,
2579 Lisp_Object
, Lisp_Object
, Lisp_Object
));
2580 extern int overlay_touches_p
P_ ((int));
2581 extern Lisp_Object Vbuffer_alist
, Vinhibit_read_only
;
2582 EXFUN (Fget_buffer
, 1);
2583 EXFUN (Fget_buffer_create
, 1);
2584 EXFUN (Fset_buffer
, 1);
2585 EXFUN (set_buffer_if_live
, 1);
2586 EXFUN (Fbarf_if_buffer_read_only
, 0);
2587 EXFUN (Fcurrent_buffer
, 0);
2588 EXFUN (Fswitch_to_buffer
, 2);
2589 EXFUN (Fpop_to_buffer
, 3);
2590 EXFUN (Fother_buffer
, 3);
2591 EXFUN (Foverlay_get
, 2);
2592 EXFUN (Fbuffer_modified_p
, 1);
2593 EXFUN (Fset_buffer_modified_p
, 1);
2594 EXFUN (Fkill_buffer
, 1);
2595 EXFUN (Fkill_all_local_variables
, 0);
2596 EXFUN (Fbuffer_disable_undo
, 1);
2597 EXFUN (Fbuffer_enable_undo
, 1);
2598 EXFUN (Ferase_buffer
, 0);
2599 extern Lisp_Object Qoverlayp
;
2600 extern Lisp_Object get_truename_buffer
P_ ((Lisp_Object
));
2601 extern struct buffer
*all_buffers
;
2602 EXFUN (Fprevious_overlay_change
, 1);
2603 EXFUN (Fbuffer_file_name
, 1);
2604 extern void init_buffer_once
P_ ((void));
2605 extern void init_buffer
P_ ((void));
2606 extern void syms_of_buffer
P_ ((void));
2607 extern void keys_of_buffer
P_ ((void));
2609 /* defined in marker.c */
2611 EXFUN (Fmarker_position
, 1);
2612 EXFUN (Fmarker_buffer
, 1);
2613 EXFUN (Fcopy_marker
, 2);
2614 EXFUN (Fset_marker
, 3);
2615 extern int marker_position
P_ ((Lisp_Object
));
2616 extern int marker_byte_position
P_ ((Lisp_Object
));
2617 extern void clear_charpos_cache
P_ ((struct buffer
*));
2618 extern int charpos_to_bytepos
P_ ((int));
2619 extern int buf_charpos_to_bytepos
P_ ((struct buffer
*, int));
2620 extern int buf_bytepos_to_charpos
P_ ((struct buffer
*, int));
2621 extern void unchain_marker
P_ ((Lisp_Object
));
2622 extern Lisp_Object set_marker_restricted
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
));
2623 extern Lisp_Object set_marker_both
P_ ((Lisp_Object
, Lisp_Object
, int, int));
2624 extern Lisp_Object set_marker_restricted_both
P_ ((Lisp_Object
, Lisp_Object
,
2626 extern void syms_of_marker
P_ ((void));
2628 /* Defined in fileio.c */
2630 extern Lisp_Object Qfile_error
;
2631 EXFUN (Ffind_file_name_handler
, 2);
2632 EXFUN (Ffile_name_as_directory
, 1);
2633 EXFUN (Fmake_temp_name
, 1);
2634 EXFUN (Fexpand_file_name
, 2);
2635 EXFUN (Ffile_name_nondirectory
, 1);
2636 EXFUN (Fsubstitute_in_file_name
, 1);
2637 EXFUN (Ffile_symlink_p
, 1);
2638 EXFUN (Fverify_visited_file_modtime
, 1);
2639 EXFUN (Ffile_exists_p
, 1);
2640 EXFUN (Ffile_name_absolute_p
, 1);
2641 EXFUN (Fdirectory_file_name
, 1);
2642 EXFUN (Ffile_name_directory
, 1);
2643 extern Lisp_Object expand_and_dir_to_file
P_ ((Lisp_Object
, Lisp_Object
));
2644 EXFUN (Ffile_accessible_directory_p
, 1);
2645 EXFUN (Funhandled_file_name_directory
, 1);
2646 EXFUN (Ffile_directory_p
, 1);
2647 EXFUN (Fwrite_region
, 7);
2648 EXFUN (Ffile_readable_p
, 1);
2649 EXFUN (Ffile_executable_p
, 1);
2650 EXFUN (Fread_file_name
, 5);
2651 extern Lisp_Object close_file_unwind
P_ ((Lisp_Object
));
2652 extern void report_file_error
P_ ((char *, Lisp_Object
));
2653 extern int internal_delete_file
P_ ((Lisp_Object
));
2654 extern void syms_of_fileio
P_ ((void));
2655 EXFUN (Fmake_temp_name
, 1);
2656 extern void init_fileio_once
P_ ((void));
2657 extern Lisp_Object make_temp_name
P_ ((Lisp_Object
, int));
2659 /* Defined in abbrev.c */
2661 extern Lisp_Object Vfundamental_mode_abbrev_table
;
2662 extern void syms_of_abbrev
P_ ((void));
2664 /* defined in search.c */
2665 extern void shrink_regexp_cache
P_ ((void));
2666 EXFUN (Fstring_match
, 3);
2667 extern void restore_match_data
P_ ((void));
2668 EXFUN (Fmatch_data
, 2);
2669 EXFUN (Fset_match_data
, 1);
2670 EXFUN (Fmatch_beginning
, 1);
2671 EXFUN (Fmatch_end
, 1);
2672 EXFUN (Flooking_at
, 1);
2673 extern int fast_string_match
P_ ((Lisp_Object
, Lisp_Object
));
2674 extern int fast_c_string_match_ignore_case
P_ ((Lisp_Object
, char *));
2675 extern int scan_buffer
P_ ((int, int, int, int, int *, int));
2676 extern int scan_newline
P_ ((int, int, int, int, int, int));
2677 extern int find_next_newline
P_ ((int, int));
2678 extern int find_next_newline_no_quit
P_ ((int, int));
2679 extern int find_before_next_newline
P_ ((int, int, int));
2680 extern void syms_of_search
P_ ((void));
2682 /* defined in minibuf.c */
2684 extern Lisp_Object last_minibuf_string
;
2685 extern void choose_minibuf_frame
P_ ((void));
2686 extern int scmp
P_ ((unsigned char *, unsigned char *, int));
2687 EXFUN (Fcompleting_read
, 8);
2688 EXFUN (Fread_from_minibuffer
, 7);
2689 EXFUN (Fread_variable
, 2);
2690 EXFUN (Fread_buffer
, 3);
2691 EXFUN (Fread_minibuffer
, 2);
2692 EXFUN (Feval_minibuffer
, 2);
2693 EXFUN (Fread_string
, 5);
2694 EXFUN (Fread_no_blanks_input
, 3);
2695 extern Lisp_Object get_minibuffer
P_ ((int));
2696 extern void temp_echo_area_glyphs
P_ ((char *));
2697 extern void init_minibuf_once
P_ ((void));
2698 extern void syms_of_minibuf
P_ ((void));
2699 extern void keys_of_minibuf
P_ ((void));
2701 /* Defined in callint.c */
2703 extern Lisp_Object Qminus
, Qplus
, Vcurrent_prefix_arg
;
2704 extern Lisp_Object Vcommand_history
;
2705 extern Lisp_Object Qcall_interactively
, Qmouse_leave_buffer_hook
;
2706 EXFUN (Fcall_interactively
, 3);
2707 EXFUN (Fprefix_numeric_value
, 1);
2708 extern void syms_of_callint
P_ ((void));
2710 /* defined in casefiddle.c */
2712 EXFUN (Fdowncase
, 1);
2714 EXFUN (Fcapitalize
, 1);
2715 EXFUN (Fupcase_region
, 2);
2716 EXFUN (Fupcase_initials
, 1);
2717 EXFUN (Fupcase_initials_region
, 2);
2718 extern void syms_of_casefiddle
P_ ((void));
2719 extern void keys_of_casefiddle
P_ ((void));
2721 /* defined in casetab.c */
2723 EXFUN (Fset_case_table
, 1);
2724 EXFUN (Fset_standard_case_table
, 1);
2725 extern void init_casetab_once
P_ ((void));
2726 extern void syms_of_casetab
P_ ((void));
2728 /* defined in keyboard.c */
2731 extern Lisp_Object echo_message_buffer
;
2732 extern struct kboard
*echo_kboard
;
2733 extern void cancel_echoing
P_ ((void));
2734 extern Lisp_Object Qdisabled
, QCfilter
;
2735 extern Lisp_Object Vtty_erase_char
, Vhelp_form
, Vtop_level
;
2736 extern int input_pending
;
2737 EXFUN (Fdiscard_input
, 0);
2738 EXFUN (Frecursive_edit
, 0);
2739 EXFUN (Ftop_level
, 0);
2740 EXFUN (Fcommand_execute
, 4);
2741 EXFUN (Finput_pending_p
, 0);
2742 extern Lisp_Object menu_bar_items
P_ ((Lisp_Object
));
2743 extern Lisp_Object tool_bar_items
P_ ((Lisp_Object
, int *));
2744 extern Lisp_Object Qvertical_scroll_bar
;
2745 extern void discard_mouse_events
P_ ((void));
2746 EXFUN (Fevent_convert_list
, 1);
2747 EXFUN (Fread_key_sequence
, 5);
2748 EXFUN (Fset_input_mode
, 4);
2749 extern int detect_input_pending
P_ ((void));
2750 extern int detect_input_pending_run_timers
P_ ((int));
2751 extern void safe_run_hooks
P_ ((Lisp_Object
));
2752 extern void cmd_error_internal
P_ ((Lisp_Object
, char *));
2753 extern Lisp_Object command_loop_1
P_ ((void));
2754 extern Lisp_Object recursive_edit_1
P_ ((void));
2755 extern void record_auto_save
P_ ((void));
2756 extern void init_keyboard
P_ ((void));
2757 extern void syms_of_keyboard
P_ ((void));
2758 extern void keys_of_keyboard
P_ ((void));
2759 extern char *push_key_description
P_ ((unsigned int, char *, int));
2762 /* defined in indent.c */
2763 EXFUN (Fvertical_motion
, 2);
2764 EXFUN (Findent_to
, 2);
2765 EXFUN (Fcurrent_column
, 0);
2766 EXFUN (Fmove_to_column
, 2);
2767 extern int current_column
P_ ((void));
2768 extern void invalidate_current_column
P_ ((void));
2769 extern int indented_beyond_p
P_ ((int, int, int));
2770 extern void syms_of_indent
P_ ((void));
2772 /* defined in window.c */
2773 extern Lisp_Object Qwindowp
, Qwindow_live_p
;
2774 extern Lisp_Object Vwindow_list
;
2775 EXFUN (Fwindow_end
, 2);
2776 EXFUN (Fselected_window
, 0);
2777 EXFUN (Fnext_window
, 3);
2778 EXFUN (Fdelete_window
, 1);
2779 EXFUN (Fselect_window
, 1);
2780 EXFUN (Fset_window_buffer
, 2);
2781 EXFUN (Fwindow_buffer
, 1);
2782 EXFUN (Fget_buffer_window
, 2);
2783 EXFUN (Fsave_window_excursion
, UNEVALLED
);
2784 EXFUN (Fsplit_window
, 3);
2785 EXFUN (Fset_window_configuration
, 1);
2786 EXFUN (Fcurrent_window_configuration
, 1);
2787 extern int compare_window_configurations
P_ ((Lisp_Object
, Lisp_Object
, int));
2788 EXFUN (Fcoordinates_in_window_p
, 2);
2789 EXFUN (Fwindow_at
, 3);
2790 EXFUN (Fpos_visible_in_window_p
, 3);
2791 extern void mark_window_cursors_off
P_ ((struct window
*));
2792 extern int window_internal_height
P_ ((struct window
*));
2793 extern int window_internal_width
P_ ((struct window
*));
2794 EXFUN (Frecenter
, 1);
2795 EXFUN (Fscroll_other_window
, 1);
2796 EXFUN (Fset_window_start
, 3);
2797 extern void temp_output_buffer_show
P_ ((Lisp_Object
));
2798 extern void replace_buffer_in_all_windows
P_ ((Lisp_Object
));
2799 extern void init_window_once
P_ ((void));
2800 extern void init_window
P_ ((void));
2801 extern void syms_of_window
P_ ((void));
2802 extern void keys_of_window
P_ ((void));
2804 /* defined in frame.c */
2805 extern Lisp_Object Qvisible
;
2806 extern void store_frame_param
P_ ((struct frame
*, Lisp_Object
, Lisp_Object
));
2807 extern void store_in_alist
P_ ((Lisp_Object
*, Lisp_Object
, Lisp_Object
));
2808 extern Lisp_Object do_switch_frame
P_ ((Lisp_Object
, int, int));
2809 extern Lisp_Object get_frame_param
P_ ((struct frame
*, Lisp_Object
));
2810 extern Lisp_Object frame_buffer_predicate
P_ ((Lisp_Object
));
2812 EXFUN (Fselect_frame
, 2);
2813 EXFUN (Fselected_frame
, 0);
2814 EXFUN (Fwindow_frame
, 1);
2815 EXFUN (Fframe_root_window
, 1);
2816 EXFUN (Fframe_first_window
, 1);
2817 EXFUN (Fframe_selected_window
, 1);
2818 EXFUN (Fframe_list
, 0);
2819 EXFUN (Fnext_frame
, 2);
2820 EXFUN (Fdelete_frame
, 2);
2821 EXFUN (Fset_mouse_position
, 3);
2822 EXFUN (Fmake_frame_visible
, 1);
2823 EXFUN (Fmake_frame_invisible
, 2);
2824 EXFUN (Ficonify_frame
, 1);
2825 EXFUN (Fframe_visible_p
, 1);
2826 EXFUN (Fvisible_frame_list
, 0);
2827 EXFUN (Fframe_parameter
, 2);
2828 EXFUN (Fframe_parameters
, 1);
2829 EXFUN (Fmodify_frame_parameters
, 2);
2830 EXFUN (Fset_frame_height
, 3);
2831 EXFUN (Fset_frame_width
, 3);
2832 EXFUN (Fset_frame_size
, 3);
2833 EXFUN (Fset_frame_position
, 3);
2834 EXFUN (Fraise_frame
, 1);
2835 EXFUN (Fredirect_frame_focus
, 2);
2836 EXFUN (Fset_frame_selected_window
, 2);
2837 extern Lisp_Object frame_buffer_list
P_ ((Lisp_Object
));
2838 extern void frames_discard_buffer
P_ ((Lisp_Object
));
2839 extern void set_frame_buffer_list
P_ ((Lisp_Object
, Lisp_Object
));
2840 extern void frames_bury_buffer
P_ ((Lisp_Object
));
2841 extern void syms_of_frame
P_ ((void));
2842 extern void keys_of_frame
P_ ((void));
2844 /* defined in emacs.c */
2845 extern Lisp_Object decode_env_path
P_ ((char *, char *));
2846 extern Lisp_Object Vinvocation_name
, Vinvocation_directory
;
2847 extern Lisp_Object Vinstallation_directory
, empty_string
;
2848 EXFUN (Fkill_emacs
, 1);
2850 void fixup_locale
P_ ((void));
2851 void synchronize_system_messages_locale
P_ ((void));
2852 void synchronize_system_time_locale
P_ ((void));
2854 #define setlocale(category, locale)
2855 #define fixup_locale()
2856 #define synchronize_system_messages_locale()
2857 #define synchronize_system_time_locale()
2859 void shut_down_emacs
P_ ((int, int, Lisp_Object
));
2860 /* Nonzero means don't do interactive redisplay and don't change tty modes */
2861 extern int noninteractive
;
2862 /* Nonzero means don't do use window-system-specific display code */
2863 extern int inhibit_window_system
;
2864 /* Nonzero means that a filter or a sentinel is running. */
2865 extern int running_asynch_code
;
2867 /* defined in process.c */
2868 EXFUN (Fget_process
, 1);
2869 EXFUN (Fget_buffer_process
, 1);
2870 EXFUN (Fprocessp
, 1);
2871 EXFUN (Fprocess_status
, 1);
2872 EXFUN (Fkill_process
, 2);
2873 EXFUN (Fprocess_send_eof
, 1);
2874 EXFUN (Fwaiting_for_user_input_p
, 0);
2875 extern Lisp_Object Qprocessp
;
2876 extern void kill_buffer_processes
P_ ((Lisp_Object
));
2877 extern int wait_reading_process_input
P_ ((int, int, Lisp_Object
, int));
2878 extern void deactivate_process
P_ ((Lisp_Object
));
2879 extern void add_keyboard_wait_descriptor
P_ ((int));
2880 extern void delete_keyboard_wait_descriptor
P_ ((int));
2881 extern void close_process_descs
P_ ((void));
2882 extern void status_notify
P_ ((void));
2883 extern int read_process_output
P_ ((Lisp_Object
, int));
2884 extern void init_process
P_ ((void));
2885 extern void syms_of_process
P_ ((void));
2887 /* defined in callproc.c */
2888 extern Lisp_Object Vexec_path
, Vexec_suffixes
,
2889 Vexec_directory
, Vdata_directory
;
2890 extern Lisp_Object Vdoc_directory
;
2891 EXFUN (Fcall_process
, MANY
);
2892 extern int child_setup
P_ ((int, int, int, char **, int, Lisp_Object
));
2893 extern void init_callproc_1
P_ ((void));
2894 extern void init_callproc
P_ ((void));
2895 extern void set_process_environment
P_ ((void));
2896 extern void syms_of_callproc
P_ ((void));
2898 /* defined in doc.c */
2899 extern Lisp_Object Vdoc_file_name
;
2900 EXFUN (Fsubstitute_command_keys
, 1);
2901 EXFUN (Fdocumentation
, 2);
2902 EXFUN (Fdocumentation_property
, 3);
2903 extern Lisp_Object read_doc_string
P_ ((Lisp_Object
));
2904 extern Lisp_Object get_doc_string
P_ ((Lisp_Object
, int, int));
2905 extern void syms_of_doc
P_ ((void));
2906 extern int read_bytecode_char
P_ ((int));
2908 /* defined in bytecode.c */
2909 extern Lisp_Object Qbytecode
;
2910 EXFUN (Fbyte_code
, 3);
2911 extern void syms_of_bytecode
P_ ((void));
2912 extern struct byte_stack
*byte_stack_list
;
2913 extern void mark_byte_stack
P_ ((void));
2914 extern void unmark_byte_stack
P_ ((void));
2916 /* defined in macros.c */
2917 extern Lisp_Object Qexecute_kbd_macro
;
2918 EXFUN (Fexecute_kbd_macro
, 2);
2919 extern void init_macros
P_ ((void));
2920 extern void syms_of_macros
P_ ((void));
2921 extern void keys_of_macros
P_ ((void));
2923 /* defined in undo.c */
2924 extern Lisp_Object Qinhibit_read_only
;
2925 EXFUN (Fundo_boundary
, 0);
2926 extern Lisp_Object truncate_undo_list
P_ ((Lisp_Object
, int, int));
2927 extern void record_marker_adjustment
P_ ((Lisp_Object
, int));
2928 extern void record_insert
P_ ((int, int));
2929 extern void record_delete
P_ ((int, Lisp_Object
));
2930 extern void record_first_change
P_ ((void));
2931 extern void record_change
P_ ((int, int));
2932 extern void record_property_change
P_ ((int, int, Lisp_Object
, Lisp_Object
,
2934 extern void syms_of_undo
P_ ((void));
2936 /* defined in textprop.c */
2937 extern Lisp_Object Qmodification_hooks
;
2938 extern Lisp_Object Qrear_nonsticky
, Qfont
, Qmouse_face
;
2939 extern Lisp_Object Qinsert_in_front_hooks
, Qinsert_behind_hooks
;
2940 EXFUN (Fnext_property_change
, 3);
2941 EXFUN (Fnext_single_property_change
, 4);
2942 EXFUN (Fnext_single_char_property_change
, 4);
2943 EXFUN (Fprevious_single_property_change
, 4);
2944 EXFUN (Fget_text_property
, 3);
2945 EXFUN (Fput_text_property
, 5);
2946 EXFUN (Fset_text_properties
, 4);
2947 EXFUN (Ftext_property_not_all
, 5);
2948 EXFUN (Fprevious_char_property_change
, 2);
2949 EXFUN (Fnext_char_property_change
, 2);
2950 extern void report_interval_modification
P_ ((Lisp_Object
, Lisp_Object
));
2951 extern void syms_of_textprop
P_ ((void));
2952 extern Lisp_Object next_single_char_property_change
P_ ((Lisp_Object
,
2956 extern Lisp_Object set_text_properties
P_ ((Lisp_Object
, Lisp_Object
,
2957 Lisp_Object
, Lisp_Object
,
2960 /* defined in xmenu.c */
2961 EXFUN (Fx_popup_menu
, 2);
2962 EXFUN (Fx_popup_dialog
, 2);
2963 extern void syms_of_xmenu
P_ ((void));
2964 extern int popup_activated_flag
;
2966 /* defined in sysdep.c */
2967 extern void stuff_char
P_ ((char c
));
2968 extern void init_sigio
P_ ((int));
2969 extern void request_sigio
P_ ((void));
2970 extern void unrequest_sigio
P_ ((void));
2971 extern void reset_sys_modes
P_ ((void));
2972 extern void sys_subshell
P_ ((void));
2973 extern void sys_suspend
P_ ((void));
2974 extern void discard_tty_input
P_ ((void));
2975 extern void init_sys_modes
P_ ((void));
2976 extern void reset_sys_modes
P_ ((void));
2977 extern void get_frame_size
P_ ((int *, int *));
2978 extern void wait_for_termination
P_ ((int));
2979 extern void flush_pending_output
P_ ((int));
2980 extern void child_setup_tty
P_ ((int));
2981 extern void setup_pty
P_ ((int));
2982 extern int set_window_size
P_ ((int, int, int));
2983 extern void create_process
P_ ((Lisp_Object
, char **, Lisp_Object
));
2984 extern int tabs_safe_p
P_ ((void));
2985 extern void init_baud_rate
P_ ((void));
2986 extern int emacs_open
P_ ((char *, int, int));
2987 extern int emacs_close
P_ ((int));
2988 extern int emacs_read
P_ ((int, char *, unsigned int));
2989 extern int emacs_write
P_ ((int, char *, unsigned int));
2991 /* defined in filelock.c */
2992 EXFUN (Funlock_buffer
, 0);
2993 EXFUN (Ffile_locked_p
, 1);
2994 extern void unlock_all_files
P_ ((void));
2995 extern void lock_file
P_ ((Lisp_Object
));
2996 extern void unlock_file
P_ ((Lisp_Object
));
2997 extern void unlock_buffer
P_ ((struct buffer
*));
2998 extern void syms_of_filelock
P_ ((void));
2999 extern void init_filelock
P_ ((void));
3001 /* Defined in sound.c */
3002 extern void syms_of_sound
P_ ((void));
3003 extern void init_sound
P_ ((void));
3005 /* Defined in category.c */
3006 extern void init_category_once
P_ ((void));
3007 extern void syms_of_category
P_ ((void));
3009 /* Defined in ccl.c */
3010 extern void syms_of_ccl
P_ ((void));
3012 /* Defined in dired.c */
3013 EXFUN (Ffile_attributes
, 1);
3014 extern void syms_of_dired
P_ ((void));
3016 /* Defined in mocklisp.c */
3017 extern void syms_of_mocklisp
P_ ((void));
3019 /* Defined in term.c */
3020 extern void syms_of_term
P_ ((void));
3021 extern void fatal () NO_RETURN
;
3023 #ifdef HAVE_X_WINDOWS
3024 /* Defined in fontset.c */
3025 extern void syms_of_fontset
P_ ((void));
3026 EXFUN (Fset_fontset_font
, 4);
3029 /* Defined in xfaces.c */
3030 extern void syms_of_xfaces
P_ ((void));
3032 /* Defined in getloadavg.c */
3033 extern int getloadavg
P_ ((double *, int));
3035 #ifdef HAVE_X_WINDOWS
3036 /* Defined in xfns.c */
3037 extern void syms_of_xfns
P_ ((void));
3038 extern void init_xfns
P_ ((void));
3039 extern Lisp_Object Vx_resource_name
;
3040 EXFUN (Fxw_display_color_p
, 1);
3041 #endif /* HAVE_X_WINDOWS */
3043 /* Defined in xselect.c */
3044 extern void syms_of_xselect
P_ ((void));
3046 /* Defined in xterm.c */
3047 extern void syms_of_xterm
P_ ((void));
3049 /* Defined in getloadavg.c */
3050 extern int getloadavg
P_ ((double [], int));
3052 /* Nonzero means Emacs has already been initialized.
3053 Used during startup to detect startup of dumped Emacs. */
3054 extern int initialized
;
3056 extern int immediate_quit
; /* Nonzero means ^G can quit instantly */
3058 extern POINTER_TYPE
*xmalloc
P_ ((size_t));
3059 extern POINTER_TYPE
*xrealloc
P_ ((POINTER_TYPE
*, size_t));
3060 extern void xfree
P_ ((POINTER_TYPE
*));
3062 extern char *xstrdup
P_ ((char *));
3065 extern char *egetenv
P_ ((char *));
3068 /* Set up the name of the machine we're running on. */
3069 extern void init_system_name
P_ ((void));
3071 /* Some systems (e.g., NT) use a different path separator than Unix,
3072 in addition to a device separator. Default the path separator
3073 to '/', and don't test for a device separator in IS_ANY_SEP. */
3076 extern Lisp_Object Vdirectory_sep_char
;
3079 #ifndef DIRECTORY_SEP
3080 #define DIRECTORY_SEP '/'
3082 #ifndef IS_DIRECTORY_SEP
3083 #define IS_DIRECTORY_SEP(_c_) ((_c_) == DIRECTORY_SEP)
3085 #ifndef IS_DEVICE_SEP
3087 #define IS_DEVICE_SEP(_c_) 0
3089 #define IS_DEVICE_SEP(_c_) ((_c_) == DEVICE_SEP)
3093 #define IS_ANY_SEP(_c_) (IS_DIRECTORY_SEP (_c_))
3096 #ifdef SWITCH_ENUM_BUG
3097 #define SWITCH_ENUM_CAST(x) ((int)(x))
3099 #define SWITCH_ENUM_CAST(x) (x)
3102 /* Loop over Lisp list LIST. Signal an error if LIST is not a proper
3103 list, or if it contains circles.
3105 HARE and TORTOISE should be the names of Lisp_Object variables, and
3106 N should be the name of an EMACS_INT variable declared in the
3107 function where the macro is used. Each nested loop should use
3110 In the loop body, HARE is set to each cons of LIST, and N is the
3111 length of the list processed so far. */
3113 #define LIST_END_P(list, obj) \
3118 : (wrong_type_argument (Qlistp, (list), 0)), 1))
3120 #define FOREACH(hare, list, tortoise, n) \
3121 for (tortoise = hare = (list), n = 0; \
3122 !LIST_END_P (list, hare); \
3123 (hare = XCDR (hare), ++n, \
3125 ? (tortoise = XCDR (tortoise), \
3126 (EQ (hare, tortoise) \
3127 && (circular_list_error ((list)), 1))) \
3130 /* The ubiquitous min and max macros. */
3136 #define min(a, b) ((a) < (b) ? (a) : (b))
3137 #define max(a, b) ((a) > (b) ? (a) : (b))
3139 /* Return a fixnum or float, depending on whether VAL fits in a Lisp
3142 #define make_fixnum_or_float(val) \
3143 (FIXNUM_OVERFLOW_P (val) ? make_float (val) : make_number (val))