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
37 /* These are default choices for the types to use. */
40 #define EMACS_INT long
41 #define BITS_PER_EMACS_INT BITS_PER_LONG
44 #define EMACS_UINT unsigned long
49 #define BITS_PER_EMACS_INT BITS_PER_INT
52 #define EMACS_UINT unsigned int
56 /* Extra internal type checking? */
57 extern int suppress_checking
;
58 extern void die
P_((const char *, const char *, int));
60 #ifdef ENABLE_CHECKING
62 #define CHECK(check,msg) ((check || suppress_checking \
64 : die (msg, __FILE__, __LINE__)), \
67 /* Let's get some compile-time checking too. */
72 /* Produce same side effects and result, but don't complain. */
73 #define CHECK(check,msg) ((check),0)
77 /* Used for making sure that Emacs is compilable in all
80 #ifdef USE_LISP_UNION_TYPE
84 /* Define an Emacs version of "assert", since some system ones are
86 #ifndef ENABLE_CHECKING
87 #define eassert(X) (void) 0
88 #else /* ENABLE_CHECKING */
89 #if defined (__GNUC__) && __GNUC__ >= 2 && defined (__STDC__)
90 #define eassert(cond) CHECK(cond,"assertion failed: " #cond)
92 #define eassert(cond) CHECK(cond,"assertion failed")
94 #endif /* ENABLE_CHECKING */
96 /* Define the fundamental Lisp data structures. */
98 /* This is the set of Lisp data types. */
102 /* Integer. XINT (obj) is the integer value. */
105 /* Symbol. XSYMBOL (object) points to a struct Lisp_Symbol. */
108 /* Miscellaneous. XMISC (object) points to a union Lisp_Misc,
109 whose first member indicates the subtype. */
112 /* String. XSTRING (object) points to a struct Lisp_String.
113 The length of the string, and its contents, are stored therein. */
116 /* Vector of Lisp objects, or something resembling it.
117 XVECTOR (object) points to a struct Lisp_Vector, which contains
118 the size and contents. The size field also contains the type
119 information, if it's not a real vector object. */
122 /* Cons. XCONS (object) points to a struct Lisp_Cons. */
127 /* This is not a type code. It is for range checking. */
131 /* This is the set of data types that share a common structure.
132 The first member of the structure is a type code from this set.
133 The enum values are arbitrary, but we'll use large numbers to make it
134 more likely that we'll spot the error if a random word in memory is
135 mistakenly interpreted as a Lisp_Misc. */
138 Lisp_Misc_Free
= 0x5eab,
143 Lisp_Misc_Buffer_Objfwd
,
144 Lisp_Misc_Buffer_Local_Value
,
145 Lisp_Misc_Some_Buffer_Local_Value
,
147 Lisp_Misc_Kboard_Objfwd
,
148 /* Currently floats are not a misc type,
149 but let's define this in case we want to change that. */
151 /* This is not a type code. It is for range checking. */
155 /* These values are overridden by the m- file on some machines. */
157 #define VALBITS (BITS_PER_EMACS_INT - 4)
164 #ifndef NO_UNION_TYPE
166 #ifndef WORDS_BIG_ENDIAN
168 /* Definition of Lisp_Object for little-endian machines. */
173 /* Used for comparing two Lisp_Objects;
174 also, positive integers can be accessed fast this way. */
179 EMACS_INT val
: VALBITS
;
180 EMACS_INT type
: GCTYPEBITS
+ 1;
184 EMACS_UINT val
: VALBITS
;
185 EMACS_INT type
: GCTYPEBITS
+ 1;
189 EMACS_UINT val
: VALBITS
;
190 enum Lisp_Type type
: GCTYPEBITS
;
191 /* The markbit is not really part of the value of a Lisp_Object,
192 and is always zero except during garbage collection. */
193 EMACS_UINT markbit
: 1;
198 #else /* If WORDS_BIG_ENDIAN */
203 /* Used for comparing two Lisp_Objects;
204 also, positive integers can be accessed fast this way. */
209 EMACS_INT type
: GCTYPEBITS
+1;
210 EMACS_INT val
: VALBITS
;
214 EMACS_INT type
: GCTYPEBITS
+1;
215 EMACS_UINT val
: VALBITS
;
219 /* The markbit is not really part of the value of a Lisp_Object,
220 and is always zero except during garbage collection. */
221 EMACS_UINT markbit
: 1;
222 enum Lisp_Type type
: GCTYPEBITS
;
223 EMACS_UINT val
: VALBITS
;
228 #endif /* WORDS_BIG_ENDIAN */
231 static __inline__ Lisp_Object
232 LISP_MAKE_RVALUE (Lisp_Object o
)
237 #define LISP_MAKE_RVALUE(o) (o) /* XXX - keeps arg as rvalue. */
240 #endif /* NO_UNION_TYPE */
243 /* If union type is not wanted, define Lisp_Object as just a number. */
246 #define Lisp_Object EMACS_INT
247 #define LISP_MAKE_RVALUE(o) (0+(o))
248 #endif /* NO_UNION_TYPE */
251 #define VALMASK ((((EMACS_INT) 1)<<VALBITS) - 1)
253 #define GCTYPEMASK ((((EMACS_INT) 1)<<GCTYPEBITS) - 1)
255 /* Two flags that are set during GC. On some machines, these flags
256 are defined differently by the m- file. */
258 /* This is set in the car of a cons and in the plist slot of a symbol
259 to indicate it is marked. Likewise in the plist slot of an interval,
260 the chain slot of a marker, the type slot of a float, and the name
263 In strings, this bit in the size field indicates that the string
264 is a "large" one, one which was separately malloc'd
265 rather than being part of a string block. */
268 #define MARKBIT ((EMACS_INT) ((EMACS_UINT) 1 << (VALBITS + GCTYPEBITS)))
271 /* In the size word of a vector, this bit means the vector has been marked.
272 In the size word of a large string, likewise. */
274 #ifndef ARRAY_MARK_FLAG
275 #define ARRAY_MARK_FLAG ((MARKBIT >> 1) & ~MARKBIT)
276 #endif /* no ARRAY_MARK_FLAG */
278 /* In the size word of a struct Lisp_Vector, this bit means it's really
279 some other vector-like object. */
280 #ifndef PSEUDOVECTOR_FLAG
281 #define PSEUDOVECTOR_FLAG ((ARRAY_MARK_FLAG >> 1) & ~ARRAY_MARK_FLAG)
284 /* In a pseudovector, the size field actually contains a word with one
285 PSEUDOVECTOR_FLAG bit set, and exactly one of the following bits to
286 indicate the actual type. */
289 PVEC_NORMAL_VECTOR
= 0,
290 PVEC_PROCESS
= 0x200,
292 PVEC_COMPILED
= 0x800,
293 PVEC_WINDOW
= 0x1000,
294 PVEC_WINDOW_CONFIGURATION
= 0x2000,
296 PVEC_CHAR_TABLE
= 0x8000,
297 PVEC_BOOL_VECTOR
= 0x10000,
298 PVEC_BUFFER
= 0x20000,
299 PVEC_HASH_TABLE
= 0x40000,
300 PVEC_SUB_CHAR_TABLE
= 0x80000,
301 PVEC_TYPE_MASK
= 0x0ffe00
303 #if 0 /* This is used to make the value of PSEUDOVECTOR_FLAG available to
304 GDB. It doesn't work on OS Alpha. Moved to a variable in
306 PVEC_FLAG
= PSEUDOVECTOR_FLAG
310 /* For convenience, we also store the number of elements in these bits. */
311 #define PSEUDOVECTOR_SIZE_MASK 0x1ff
313 /* These macros extract various sorts of values from a Lisp_Object.
314 For example, if tem is a Lisp_Object whose type is Lisp_Cons,
315 XCONS (tem) is the struct Lisp_Cons * pointing to the memory for that cons. */
319 /* One need to override this if there must be high bits set in data space
320 (doing the result of the below & ((1 << (GCTYPE + 1)) - 1) would work
321 on all machines, but would penalize machines which don't need it)
324 #define XTYPE(a) ((enum Lisp_Type) ((a) >> VALBITS))
328 #define XSETTYPE(a, b) ((a) = XUINT (a) | ((EMACS_INT)(b) << VALBITS))
331 /* For integers known to be positive, XFASTINT provides fast retrieval
332 and XSETFASTINT provides fast storage. This takes advantage of the
333 fact that Lisp_Int is 0. */
334 #define XFASTINT(a) ((a) + 0)
335 #define XSETFASTINT(a, b) ((a) = (b))
337 /* Extract the value of a Lisp_Object as a signed integer. */
339 #ifndef XINT /* Some machines need to do this differently. */
340 #define XINT(a) ((EMACS_INT) (((a) << (BITS_PER_EMACS_INT - VALBITS)) \
341 >> (BITS_PER_EMACS_INT - VALBITS)))
344 /* Extract the value as an unsigned integer. This is a basis
345 for extracting it as a pointer to a structure in storage. */
348 #define XUINT(a) ((EMACS_UINT) ((a) & VALMASK))
353 /* In this representation, data is found in two widely separated segments. */
354 extern size_t pure_size
;
356 (XUINT (a) | (XUINT (a) > pure_size ? DATA_SEG_BITS : PURE_SEG_BITS))
357 #else /* not HAVE_SHM */
359 /* This case is used for the rt-pc.
360 In the diffs I was given, it checked for ptr = 0
361 and did not adjust it in that case.
362 But I don't think that zero should ever be found
363 in a Lisp object whose data type says it points to something. */
364 #define XPNTR(a) (XUINT (a) | DATA_SEG_BITS)
366 #define XPNTR(a) XUINT (a)
368 #endif /* not HAVE_SHM */
369 #endif /* no XPNTR */
372 #define XSET(var, type, ptr) \
373 ((var) = ((EMACS_INT)(type) << VALBITS) + ((EMACS_INT) (ptr) & VALMASK))
376 /* Convert a C integer into a Lisp_Object integer. */
378 #define make_number(N) \
379 ((((EMACS_INT) (N)) & VALMASK) | ((EMACS_INT) Lisp_Int) << VALBITS)
381 /* During garbage collection, XGCTYPE must be used for extracting types
382 so that the mark bit is ignored. XMARKBIT accesses the markbit.
383 Markbits are used only in particular slots of particular structure types.
384 Other markbits are always zero.
385 Outside of garbage collection, all mark bits are always zero. */
388 #define XGCTYPE(a) ((enum Lisp_Type) (((a) >> VALBITS) & GCTYPEMASK))
391 #if VALBITS + GCTYPEBITS == BITS_PER_EMACS_INT - 1
392 /* Make XMARKBIT faster if mark bit is sign bit. */
394 #define XMARKBIT(a) ((a) < 0)
396 #endif /* markbit is sign bit */
399 #define XMARKBIT(a) ((a) & MARKBIT)
403 #define XSETMARKBIT(a,b) ((a) = ((a) & ~MARKBIT) | ((b) ? MARKBIT : 0))
407 #define XMARK(a) ((a) |= MARKBIT)
411 #define XUNMARK(a) ((a) &= ~MARKBIT)
414 #endif /* NO_UNION_TYPE */
416 #ifndef NO_UNION_TYPE
418 #define XTYPE(a) ((enum Lisp_Type) (a).u.type)
419 #define XSETTYPE(a, b) ((a).u.type = (char) (b))
421 /* For integers known to be positive, XFASTINT provides fast retrieval
422 and XSETFASTINT provides fast storage. This takes advantage of the
423 fact that Lisp_Int is 0. */
424 #define XFASTINT(a) ((a).i + 0)
425 #define XSETFASTINT(a, b) ((a).i = (b))
427 #ifdef EXPLICIT_SIGN_EXTEND
428 /* Make sure we sign-extend; compilers have been known to fail to do so. */
429 #define XINT(a) (((a).i << (BITS_PER_EMACS_INT - VALBITS)) \
430 >> (BITS_PER_EMACS_INT - VALBITS))
432 #define XINT(a) ((a).s.val)
433 #endif /* EXPLICIT_SIGN_EXTEND */
435 #define XUINT(a) ((a).u.val)
436 #define XPNTR(a) ((a).u.val)
438 #define XSET(var, vartype, ptr) \
439 (((var).s.val = ((EMACS_INT) (ptr))), ((var).s.type = ((char) (vartype))))
441 #if __GNUC__ >= 2 && defined (__OPTIMIZE__)
442 #define make_number(N) \
443 (__extension__ ({ Lisp_Object _l; _l.s.val = (N); _l.s.type = Lisp_Int; _l; }))
445 extern Lisp_Object
make_number ();
448 /* During garbage collection, XGCTYPE must be used for extracting types
449 so that the mark bit is ignored. XMARKBIT access the markbit.
450 Markbits are used only in particular slots of particular structure types.
451 Other markbits are always zero.
452 Outside of garbage collection, all mark bits are always zero. */
454 #define XGCTYPE(a) ((a).gu.type)
455 #define XMARKBIT(a) ((a).gu.markbit)
456 #define XSETMARKBIT(a,b) (XMARKBIT(a) = (b))
457 #define XMARK(a) (XMARKBIT(a) = 1)
458 #define XUNMARK(a) (XMARKBIT(a) = 0)
460 #endif /* NO_UNION_TYPE */
462 /* Largest and smallest representable fixnum values. These are the C
465 #define MOST_NEGATIVE_FIXNUM - ((EMACS_INT) 1 << (VALBITS - 1))
466 #define MOST_POSITIVE_FIXNUM (((EMACS_INT) 1 << (VALBITS - 1)) - 1)
468 /* Value is non-zero if C integer I doesn't fit into a Lisp fixnum. */
470 #define FIXNUM_OVERFLOW_P(i) \
471 ((EMACS_INT)(i) > MOST_POSITIVE_FIXNUM \
472 || (EMACS_INT) (i) < MOST_NEGATIVE_FIXNUM)
474 /* Extract a value or address from a Lisp_Object. */
476 #define XCONS(a) (eassert (GC_CONSP(a)),(struct Lisp_Cons *) XPNTR(a))
477 #define XVECTOR(a) (eassert (GC_VECTORLIKEP(a)),(struct Lisp_Vector *) XPNTR(a))
478 #define XSTRING(a) (eassert (GC_STRINGP(a)),(struct Lisp_String *) XPNTR(a))
479 #define XSYMBOL(a) (eassert (GC_SYMBOLP(a)),(struct Lisp_Symbol *) XPNTR(a))
480 #define XFLOAT(a) (eassert (GC_FLOATP(a)),(struct Lisp_Float *) XPNTR(a))
484 #define XMISC(a) ((union Lisp_Misc *) XPNTR(a))
485 #define XMISCTYPE(a) (XMARKER (a)->type)
486 #define XMARKER(a) (&(XMISC(a)->u_marker))
487 #define XINTFWD(a) (&(XMISC(a)->u_intfwd))
488 #define XBOOLFWD(a) (&(XMISC(a)->u_boolfwd))
489 #define XOBJFWD(a) (&(XMISC(a)->u_objfwd))
490 #define XBUFFER_OBJFWD(a) (&(XMISC(a)->u_buffer_objfwd))
491 #define XBUFFER_LOCAL_VALUE(a) (&(XMISC(a)->u_buffer_local_value))
492 #define XOVERLAY(a) (&(XMISC(a)->u_overlay))
493 #define XKBOARD_OBJFWD(a) (&(XMISC(a)->u_kboard_objfwd))
495 /* Pseudovector types. */
497 #define XPROCESS(a) (eassert (GC_PROCESSP(a)),(struct Lisp_Process *) XPNTR(a))
498 #define XWINDOW(a) (eassert (GC_WINDOWP(a)),(struct window *) XPNTR(a))
499 #define XSUBR(a) (eassert (GC_SUBRP(a)),(struct Lisp_Subr *) XPNTR(a))
500 #define XBUFFER(a) (eassert (GC_BUFFERP(a)),(struct buffer *) XPNTR(a))
501 #define XCHAR_TABLE(a) ((struct Lisp_Char_Table *) XPNTR(a))
502 #define XSUB_CHAR_TABLE(a) ((struct Lisp_Sub_Char_Table *) XPNTR(a))
503 #define XBOOL_VECTOR(a) ((struct Lisp_Bool_Vector *) XPNTR(a))
505 /* Construct a Lisp_Object from a value or address. */
507 #define XSETINT(a, b) XSET (a, Lisp_Int, b)
508 #define XSETCONS(a, b) XSET (a, Lisp_Cons, b)
509 #define XSETVECTOR(a, b) XSET (a, Lisp_Vectorlike, b)
510 #define XSETSTRING(a, b) XSET (a, Lisp_String, b)
511 #define XSETSYMBOL(a, b) XSET (a, Lisp_Symbol, b)
512 #define XSETFLOAT(a, b) XSET (a, Lisp_Float, b)
516 #define XSETMISC(a, b) XSET (a, Lisp_Misc, b)
517 #define XSETMARKER(a, b) (XSETMISC (a, b), XMISCTYPE (a) = Lisp_Misc_Marker)
519 /* Pseudovector types. */
521 #define XSETPSEUDOVECTOR(a, b, code) \
522 (XSETVECTOR (a, b), XVECTOR (a)->size |= PSEUDOVECTOR_FLAG | (code))
523 #define XSETWINDOW_CONFIGURATION(a, b) \
524 (XSETPSEUDOVECTOR (a, b, PVEC_WINDOW_CONFIGURATION))
525 #define XSETPROCESS(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_PROCESS))
526 #define XSETWINDOW(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_WINDOW))
527 #define XSETSUBR(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_SUBR))
528 #define XSETCOMPILED(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_COMPILED))
529 #define XSETBUFFER(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_BUFFER))
530 #define XSETCHAR_TABLE(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_CHAR_TABLE))
531 #define XSETBOOL_VECTOR(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_BOOL_VECTOR))
532 #define XSETSUB_CHAR_TABLE(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_SUB_CHAR_TABLE))
534 /* Convenience macros for dealing with Lisp arrays. */
536 #define AREF(ARRAY, IDX) XVECTOR ((ARRAY))->contents[IDX]
537 #define ASET(ARRAY, IDX, VAL) (AREF ((ARRAY), (IDX)) = (VAL))
538 #define ASIZE(ARRAY) XVECTOR ((ARRAY))->size
541 /* Basic data type for use of intervals. See the macros in intervals.h. */
545 /* The first group of entries deal with the tree structure. */
547 unsigned int total_length
; /* Length of myself and both children. */
548 unsigned int position
; /* Cache of interval's character position. */
549 /* This field is usually updated
550 simultaneously with an interval
551 traversal, there is no guarantee
552 that it is valid for a random
554 struct interval
*left
; /* Intervals which precede me. */
555 struct interval
*right
; /* Intervals which succeed me. */
557 /* Parent in the tree, or the Lisp_Object containing this interval tree.
559 The mark bit on the root interval of an interval tree says
560 whether we have started (and possibly finished) marking the
561 tree. If GC comes across an interval tree whose root's parent
562 field has its markbit set, it leaves the tree alone.
564 You'd think we could store this information in the parent object
565 somewhere (after all, that should be visited once and then
566 ignored too, right?), but strings are GC'd strangely. */
569 struct interval
*interval
;
572 unsigned int up_obj
: 1;
574 /* The remaining components are `properties' of the interval.
575 The first four are duplicates for things which can be on the list,
576 for purposes of speed. */
578 unsigned int write_protect
: 1; /* Non-zero means can't modify. */
579 unsigned int visible
: 1; /* Zero means don't display. */
580 unsigned int front_sticky
: 1; /* Non-zero means text inserted just
581 before this interval goes into it. */
582 unsigned int rear_sticky
: 1; /* Likewise for just after it. */
584 /* Properties of this interval.
585 The mark bit on this field says whether this particular interval
586 tree node has been visited. Since intervals should never be
587 shared, GC aborts if it seems to have visited an interval twice. */
591 typedef struct interval
*INTERVAL
;
593 /* Complain if object is not string or buffer type */
594 #define CHECK_STRING_OR_BUFFER(x) \
595 { if (!STRINGP ((x)) && !BUFFERP ((x))) \
596 x = wrong_type_argument (Qbuffer_or_string_p, (x)); }
598 /* In a cons, the markbit of the car is the gc mark bit */
602 /* Please do not use the names of these elements in code other
603 than the core lisp implementation. Use XCAR and XCDR below. */
604 #ifdef HIDE_LISP_IMPLEMENTATION
605 Lisp_Object car_
, cdr_
;
607 Lisp_Object car
, cdr
;
611 /* Take the car or cdr of something known to be a cons cell. */
612 /* The _AS_LVALUE macros shouldn't be used outside of the minimal set
613 of code that has to know what a cons cell looks like. Other code not
614 part of the basic lisp implementation should assume that the car and cdr
615 fields are not accessible as lvalues. (What if we want to switch to
616 a copying collector someday? Cached cons cell field addresses may be
617 invalidated at arbitrary points.) */
618 #ifdef HIDE_LISP_IMPLEMENTATION
619 #define XCAR_AS_LVALUE(c) (XCONS ((c))->car_)
620 #define XCDR_AS_LVALUE(c) (XCONS ((c))->cdr_)
622 #define XCAR_AS_LVALUE(c) (XCONS ((c))->car)
623 #define XCDR_AS_LVALUE(c) (XCONS ((c))->cdr)
626 /* Okay, we're not quite ready to turn this on yet. A few files still
627 need to be updated and tested. */
628 #undef LISP_MAKE_RVALUE
629 #define LISP_MAKE_RVALUE(x) (x)
631 /* Use these from normal code. */
632 #define XCAR(c) LISP_MAKE_RVALUE(XCAR_AS_LVALUE(c))
633 #define XCDR(c) LISP_MAKE_RVALUE(XCDR_AS_LVALUE(c))
635 /* Use these to set the fields of a cons cell.
637 Note that both arguments may refer to the same object, so 'n'
638 should not be read after 'c' is first modified. Also, neither
639 argument should be evaluated more than once; side effects are
640 especially common in the second argument. */
641 #define XSETCAR(c,n) (XCAR_AS_LVALUE(c) = (n))
642 #define XSETCDR(c,n) (XCDR_AS_LVALUE(c) = (n))
644 /* For performance: Fast storage of positive integers into the
645 fields of a cons cell. See above caveats. */
646 #define XSETCARFASTINT(c,n) XSETFASTINT(XCAR_AS_LVALUE(c),(n))
647 #define XSETCDRFASTINT(c,n) XSETFASTINT(XCDR_AS_LVALUE(c),(n))
649 /* Take the car or cdr of something whose type is not known. */
651 (CONSP ((c)) ? XCAR ((c)) \
652 : NILP ((c)) ? Qnil \
653 : wrong_type_argument (Qlistp, (c)))
656 (CONSP ((c)) ? XCDR ((c)) \
657 : NILP ((c)) ? Qnil \
658 : wrong_type_argument (Qlistp, (c)))
660 /* Nonzero if STR is a multibyte string. */
661 #define STRING_MULTIBYTE(STR) \
662 (XSTRING (STR)->size_byte >= 0)
664 /* Return the length in bytes of STR. */
666 #ifdef GC_CHECK_STRING_BYTES
669 extern int string_bytes
P_ ((struct Lisp_String
*));
670 #define STRING_BYTES(S) string_bytes ((S))
672 #else /* not GC_CHECK_STRING_BYTES */
674 #define STRING_BYTES(STR) \
675 ((STR)->size_byte < 0 ? (STR)->size : (STR)->size_byte)
677 #endif /* not GC_CHECK_STRING_BYTES */
679 /* Set the length in bytes of STR. */
680 #define SET_STRING_BYTES(STR, SIZE) ((STR)->size_byte = (SIZE))
682 /* In a string or vector, the sign bit of the `size' is the gc mark bit */
688 INTERVAL intervals
; /* text properties in this string */
692 /* If a struct is made to look like a vector, this macro returns the length
693 of the shortest vector that would hold that struct. */
694 #define VECSIZE(type) ((sizeof (type) - (sizeof (struct Lisp_Vector) \
695 - sizeof (Lisp_Object)) \
696 + sizeof(Lisp_Object) - 1) /* round up */ \
697 / sizeof (Lisp_Object))
702 struct Lisp_Vector
*next
;
703 Lisp_Object contents
[1];
706 /* A char-table is a kind of vectorlike, with contents are like a
707 vector but with a few other slots. For some purposes, it makes
708 sense to handle a char-table with type struct Lisp_Vector. An
709 element of a char table can be any Lisp objects, but if it is a sub
710 char-table, we treat it a table that contains information of a
711 specific range of characters. A sub char-table has the same
712 structure as a vector. A sub char table appears only in an element
713 of a char-table, and there's no way to access it directly from
714 Emacs Lisp program. */
716 /* This is the number of slots that every char table must have. This
717 counts the ordinary slots and the top, defalt, parent, and purpose
719 #define CHAR_TABLE_STANDARD_SLOTS (VECSIZE (struct Lisp_Char_Table) - 1)
721 /* Return the number of "extra" slots in the char table CT. */
723 #define CHAR_TABLE_EXTRA_SLOTS(CT) \
724 (((CT)->size & PSEUDOVECTOR_SIZE_MASK) - CHAR_TABLE_STANDARD_SLOTS)
726 /* Almost equivalent to Faref (CT, IDX) with optimization for ASCII
727 characters. Do not check validity of CT. */
728 #define CHAR_TABLE_REF(CT, IDX) \
729 ((ASCII_CHAR_P (IDX) \
730 && SUB_CHAR_TABLE_P (XCHAR_TABLE (CT)->ascii) \
731 && !NILP (XSUB_CHAR_TABLE (XCHAR_TABLE (CT)->ascii)->contents[IDX])) \
732 ? XSUB_CHAR_TABLE (XCHAR_TABLE (CT)->ascii)->contents[IDX] \
733 : char_table_ref ((CT), (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 char_table_translate (CT, IDX)
744 /* Equivalent to Faset (CT, IDX, VAL) with optimization for ASCII and
745 8-bit European characters. Do not check validity of CT. */
746 #define CHAR_TABLE_SET(CT, IDX, VAL) \
747 (((IDX) >= 0 && ASCII_CHAR_P (IDX) \
748 && SUB_CHAR_TABLE_P (XCHAR_TABLE (CT)->ascii)) \
749 ? XSUB_CHAR_TABLE (XCHAR_TABLE (CT)->ascii)->contents[IDX] = VAL \
750 : char_table_set (CT, IDX, VAL))
753 #define CHARTAB_SIZE_BITS_0 6
754 #define CHARTAB_SIZE_BITS_1 4
755 #define CHARTAB_SIZE_BITS_2 5
756 #define CHARTAB_SIZE_BITS_3 7
758 extern const int chartab_size
[4];
760 struct Lisp_Sub_Char_Table
;
762 struct Lisp_Char_Table
764 /* This is the vector's size field, which also holds the
765 pseudovector type information. It holds the size, too. The size
766 counts the defalt, parent, purpose, ascii, contents, and extras
769 struct Lisp_Vector
*next
;
771 /* This holds a default value,
772 which is used whenever the value for a specific character is nil. */
775 /* This points to another char table, which we inherit from when the
776 value for a specific character is nil. The `defalt' slot takes
777 precedence over this. */
780 /* This is a symbol which says what kind of use this char-table is
784 /* The bottom sub char-table for characters of the range 0..127. It
785 is nil if none of ASCII character has a specific value. */
788 Lisp_Object contents
[(1 << CHARTAB_SIZE_BITS_0
)];
790 /* These hold additional data. It is a vector. */
791 Lisp_Object extras
[1];
794 struct Lisp_Sub_Char_Table
796 /* This is the vector's size field, which also holds the
797 pseudovector type information. It holds the size, too. */
799 struct Lisp_Vector
*next
;
801 /* Depth of this sub char-table. It should be 1, 2, or 3. A sub
802 char-table of depth 1 contains 16 elments, and each element
803 covers 4096 (128*32) characters. A sub char-table of depth 2
804 contains 32 elements, and each element covers 128 characters. A
805 sub char-table of depth 3 contains 128 elements, and each element
806 is for one character. */
809 /* Minimum character covered by the sub char-table. */
810 Lisp_Object min_char
;
812 Lisp_Object contents
[1];
815 /* A boolvector is a kind of vectorlike, with contents are like a string. */
816 struct Lisp_Bool_Vector
818 /* This is the vector's size field. It doesn't have the real size,
819 just the subtype information. */
820 EMACS_INT vector_size
;
821 struct Lisp_Vector
*next
;
822 /* This is the size in bits. */
824 /* This contains the actual bits, packed into bytes. */
825 unsigned char data
[1];
828 /* This structure describes a built-in function.
829 It is generated by the DEFUN macro only.
830 defsubr makes it into a Lisp object.
832 This type is treated in most respects as a pseudovector,
833 but since we never dynamically allocate or free them,
834 we don't need a next-vector field. */
839 Lisp_Object (*function
) ();
840 short min_args
, max_args
;
847 /***********************************************************************
849 ***********************************************************************/
851 /* Interned state of a symbol. */
855 SYMBOL_UNINTERNED
= 0,
857 SYMBOL_INTERNED_IN_INITIAL_OBARRAY
= 2
860 /* In a symbol, the markbit of the plist is used as the gc mark bit */
864 /* Non-zero means symbol serves as a variable alias. The symbol
865 holding the real value is found in the value slot. */
866 unsigned indirect_variable
: 1;
868 /* Non-zero means symbol is constant, i.e. changing its value
869 should signal an error. */
870 unsigned constant
: 1;
872 /* Interned state of the symbol. This is an enumerator from
873 enum symbol_interned. */
874 unsigned interned
: 2;
876 /* The symbol's name. This should become a Lisp_Object
877 some day; there's no need for the Lisp_String pointer nowadays. */
878 struct Lisp_String
*name
;
880 /* Value of the symbol or Qunbound if unbound. If this symbol is a
881 defvaralias, `value' contains the symbol for which it is an
882 alias. Use the SYMBOL_VALUE and SET_SYMBOL_VALUE macros to get
883 and set a symbol's value, to take defvaralias into account. */
886 /* Function value of the symbol or Qunbound if not fboundp. */
887 Lisp_Object function
;
889 /* The symbol's property list. */
892 /* Next symbol in obarray bucket, if the symbol is interned. */
893 struct Lisp_Symbol
*next
;
896 /* Value is non-zero if SYM is an interned symbol. */
898 #define SYMBOL_INTERNED_P(sym) \
899 (XSYMBOL (sym)->interned != SYMBOL_UNINTERNED)
901 /* Value is non-zero if SYM is interned in initial_obarray. */
903 #define SYMBOL_INTERNED_IN_INITIAL_OBARRAY_P(sym) \
904 (XSYMBOL (sym)->interned == SYMBOL_INTERNED_IN_INITIAL_OBARRAY)
906 /* Value is non-zero if symbol is considered a constant, i.e. its
907 value cannot be changed (there is an exception for keyword symbols,
908 whose value can be set to the keyword symbol itself). */
910 #define SYMBOL_CONSTANT_P(sym) XSYMBOL (sym)->constant
912 /* Value is the value of SYM, with defvaralias taken into
915 #define SYMBOL_VALUE(sym) \
916 (XSYMBOL (sym)->indirect_variable \
917 ? XSYMBOL (indirect_variable (sym))->value \
918 : XSYMBOL (sym)->value)
920 /* Set SYM's value to VAL, taking defvaralias into account. */
922 #define SET_SYMBOL_VALUE(sym, val) \
924 if (XSYMBOL (sym)->indirect_variable) \
925 XSYMBOL (indirect_variable ((sym)))->value = (val); \
927 XSYMBOL (sym)->value = (val); \
931 /***********************************************************************
933 ***********************************************************************/
935 /* The structure of a Lisp hash table. */
937 struct Lisp_Hash_Table
939 /* Vector fields. The hash table code doesn't refer to these. */
941 struct Lisp_Vector
*vec_next
;
943 /* Function used to compare keys. */
946 /* Nil if table is non-weak. Otherwise a symbol describing the
947 weakness of the table. */
950 /* When the table is resized, and this is an integer, compute the
951 new size by adding this to the old size. If a float, compute the
952 new size by multiplying the old size with this factor. */
953 Lisp_Object rehash_size
;
955 /* Resize hash table when number of entries/ table size is >= this
957 Lisp_Object rehash_threshold
;
959 /* Number of key/value entries in the table. */
962 /* Vector of keys and values. The key of item I is found at index
963 2 * I, the value is found at index 2 * I + 1. */
964 Lisp_Object key_and_value
;
966 /* Vector of hash codes.. If hash[I] is nil, this means that that
967 entry I is unused. */
970 /* Vector used to chain entries. If entry I is free, next[I] is the
971 entry number of the next free item. If entry I is non-free,
972 next[I] is the index of the next entry in the collision chain. */
975 /* Index of first free entry in free list. */
976 Lisp_Object next_free
;
978 /* Bucket vector. A non-nil entry is the index of the first item in
979 a collision chain. This vector's size can be larger than the
980 hash table size to reduce collisions. */
983 /* Next weak hash table if this is a weak hash table. The head
984 of the list is in Vweak_hash_tables. */
985 Lisp_Object next_weak
;
987 /* User-supplied hash function, or nil. */
988 Lisp_Object user_hash_function
;
990 /* User-supplied key comparison function, or nil. */
991 Lisp_Object user_cmp_function
;
993 /* C function to compare two keys. */
994 int (* cmpfn
) P_ ((struct Lisp_Hash_Table
*, Lisp_Object
,
995 unsigned, Lisp_Object
, unsigned));
997 /* C function to compute hash code. */
998 unsigned (* hashfn
) P_ ((struct Lisp_Hash_Table
*, Lisp_Object
));
1002 #define XHASH_TABLE(OBJ) \
1003 ((struct Lisp_Hash_Table *) XPNTR (OBJ))
1005 #define XSET_HASH_TABLE(VAR, PTR) \
1006 (XSETPSEUDOVECTOR (VAR, PTR, PVEC_HASH_TABLE))
1008 #define HASH_TABLE_P(OBJ) PSEUDOVECTORP (OBJ, PVEC_HASH_TABLE)
1009 #define GC_HASH_TABLE_P(x) GC_PSEUDOVECTORP (x, PVEC_HASH_TABLE)
1011 #define CHECK_HASH_TABLE(x) \
1014 if (!HASH_TABLE_P ((x))) \
1015 x = wrong_type_argument (Qhash_table_p, (x)); \
1019 /* Default size for hash tables if not specified. */
1021 #define DEFAULT_HASH_SIZE 65
1023 /* Default threshold specifying when to resize a hash table. The
1024 value gives the ratio of current entries in the hash table and the
1025 size of the hash table. */
1027 #define DEFAULT_REHASH_THRESHOLD 0.8
1029 /* Default factor by which to increase the size of a hash table. */
1031 #define DEFAULT_REHASH_SIZE 1.5
1033 /* Value is the key part of entry IDX in hash table H. */
1035 #define HASH_KEY(H, IDX) AREF ((H)->key_and_value, 2 * (IDX))
1037 /* Value is the value part of entry IDX in hash table H. */
1039 #define HASH_VALUE(H, IDX) AREF ((H)->key_and_value, 2 * (IDX) + 1)
1042 /* These structures are used for various misc types. */
1044 /* A miscellaneous object, when it's on the free list. */
1047 int type
: 16; /* = Lisp_Misc_Free */
1049 union Lisp_Misc
*chain
;
1052 /* In a marker, the markbit of the chain field is used as the gc mark bit. */
1055 int type
: 16; /* = Lisp_Misc_Marker */
1057 /* 1 means normal insertion at the marker's position
1058 leaves the marker after the inserted text. */
1059 unsigned int insertion_type
: 1;
1060 /* This is the buffer that the marker points into,
1061 or 0 if it points nowhere. */
1062 struct buffer
*buffer
;
1064 /* The remaining fields are meaningless in a marker that
1065 does not point anywhere. */
1067 /* For markers that point somewhere,
1068 this is used to chain of all the markers in a given buffer. */
1070 /* This is the char position where the marker points. */
1072 /* This is the byte position. */
1076 /* Forwarding pointer to an int variable.
1077 This is allowed only in the value cell of a symbol,
1078 and it means that the symbol's value really lives in the
1079 specified int variable. */
1082 int type
: 16; /* = Lisp_Misc_Intfwd */
1087 /* Boolean forwarding pointer to an int variable.
1088 This is like Lisp_Intfwd except that the ostensible
1089 "value" of the symbol is t if the int variable is nonzero,
1090 nil if it is zero. */
1093 int type
: 16; /* = Lisp_Misc_Boolfwd */
1098 /* Forwarding pointer to a Lisp_Object variable.
1099 This is allowed only in the value cell of a symbol,
1100 and it means that the symbol's value really lives in the
1101 specified variable. */
1104 int type
: 16; /* = Lisp_Misc_Objfwd */
1106 Lisp_Object
*objvar
;
1109 /* Like Lisp_Objfwd except that value lives in a slot in the
1110 current buffer. Value is byte index of slot within buffer. */
1111 struct Lisp_Buffer_Objfwd
1113 int type
: 16; /* = Lisp_Misc_Buffer_Objfwd */
1118 /* struct Lisp_Buffer_Local_Value is used in a symbol value cell when
1119 the symbol has buffer-local or frame-local bindings. (Exception:
1120 some buffer-local variables are built-in, with their values stored
1121 in the buffer structure itself. They are handled differently,
1122 using struct Lisp_Buffer_Objfwd.)
1124 The `realvalue' slot holds the variable's current value, or a
1125 forwarding pointer to where that value is kept. This value is the
1126 one that corresponds to the loaded binding. To read or set the
1127 variable, you must first make sure the right binding is loaded;
1128 then you can access the value in (or through) `realvalue'.
1130 `buffer' and `frame' are the buffer and frame for which the loaded
1131 binding was found. If those have changed, to make sure the right
1132 binding is loaded it is necessary to find which binding goes with
1133 the current buffer and selected frame, then load it. To load it,
1134 first unload the previous binding, then copy the value of the new
1135 binding into `realvalue' (or through it). Also update
1136 LOADED-BINDING to point to the newly loaded binding.
1138 Lisp_Misc_Buffer_Local_Value and Lisp_Misc_Some_Buffer_Local_Value
1139 both use this kind of structure. With the former, merely setting
1140 the variable creates a local binding for the current buffer. With
1141 the latter, setting the variable does not do that; only
1142 make-local-variable does that. */
1144 struct Lisp_Buffer_Local_Value
1146 int type
: 16; /* = Lisp_Misc_Buffer_Local_Value
1147 or Lisp_Misc_Some_Buffer_Local_Value */
1150 /* 1 means this variable is allowed to have frame-local bindings,
1151 so check for them when looking for the proper binding. */
1152 unsigned int check_frame
: 1;
1153 /* 1 means that the binding now loaded was found
1154 as a local binding for the buffer in the `buffer' slot. */
1155 unsigned int found_for_buffer
: 1;
1156 /* 1 means that the binding now loaded was found
1157 as a local binding for the frame in the `frame' slot. */
1158 unsigned int found_for_frame
: 1;
1159 Lisp_Object realvalue
;
1160 /* The buffer and frame for which the loaded binding was found. */
1161 Lisp_Object buffer
, frame
;
1163 /* A cons cell, (LOADED-BINDING . DEFAULT-VALUE).
1165 LOADED-BINDING is the binding now loaded. It is a cons cell
1166 whose cdr is the binding's value. The cons cell may be an
1167 element of a buffer's local-variable alist, or an element of a
1168 frame's parameter alist, or it may be this cons cell.
1170 DEFAULT-VALUE is the variable's default value, seen when the
1171 current buffer and selected frame do not have their own
1172 bindings for the variable. When the default binding is loaded,
1173 LOADED-BINDING is actually this very cons cell; thus, its car
1174 points to itself. */
1178 /* In an overlay object, the mark bit of the plist is used as the GC mark.
1179 START and END are markers in the overlay's buffer, and
1180 PLIST is the overlay's property list. */
1183 int type
: 16; /* = Lisp_Misc_Overlay */
1185 Lisp_Object start
, end
, plist
;
1188 /* Like Lisp_Objfwd except that value lives in a slot in the
1190 struct Lisp_Kboard_Objfwd
1192 int type
: 16; /* = Lisp_Misc_Kboard_Objfwd */
1198 /* To get the type field of a union Lisp_Misc, use XMISCTYPE.
1199 It uses one of these struct subtypes to get the type field. */
1203 struct Lisp_Free u_free
;
1204 struct Lisp_Marker u_marker
;
1205 struct Lisp_Intfwd u_intfwd
;
1206 struct Lisp_Boolfwd u_boolfwd
;
1207 struct Lisp_Objfwd u_objfwd
;
1208 struct Lisp_Buffer_Objfwd u_buffer_objfwd
;
1209 struct Lisp_Buffer_Local_Value u_buffer_local_value
;
1210 struct Lisp_Overlay u_overlay
;
1211 struct Lisp_Kboard_Objfwd u_kboard_objfwd
;
1214 /* Lisp floating point type */
1217 Lisp_Object type
; /* essentially used for mark-bit
1218 and chaining when on free-list */
1219 #ifdef HIDE_LISP_IMPLEMENTATION
1226 #ifdef HIDE_LISP_IMPLEMENTATION
1227 #define XFLOAT_DATA(f) (XFLOAT (f)->data_)
1229 #define XFLOAT_DATA(f) (XFLOAT (f)->data)
1232 /* A character, declared with the following typedef, is a member
1233 of some character set associated with the current buffer. */
1234 #ifndef _UCHAR_T /* Protect against something in ctab.h on AIX. */
1236 typedef unsigned char UCHAR
;
1239 /* Meanings of slots in a Lisp_Compiled: */
1241 #define COMPILED_ARGLIST 0
1242 #define COMPILED_BYTECODE 1
1243 #define COMPILED_CONSTANTS 2
1244 #define COMPILED_STACK_DEPTH 3
1245 #define COMPILED_DOC_STRING 4
1246 #define COMPILED_INTERACTIVE 5
1248 /* Flag bits in a character. These also get used in termhooks.h.
1249 Richard Stallman <rms@gnu.ai.mit.edu> thinks that MULE
1250 (MUlti-Lingual Emacs) might need 22 bits for the character value
1251 itself, so we probably shouldn't use any bits lower than 0x0400000. */
1252 #define CHAR_ALT (0x0400000)
1253 #define CHAR_SUPER (0x0800000)
1254 #define CHAR_HYPER (0x1000000)
1255 #define CHAR_SHIFT (0x2000000)
1256 #define CHAR_CTL (0x4000000)
1257 #define CHAR_META (0x8000000)
1259 #define CHAR_MODIFIER_MASK \
1260 (CHAR_ALT | CHAR_SUPER | CHAR_HYPER | CHAR_SHIFT | CHAR_CTL | CHAR_META)
1263 /* Actually, the current Emacs uses 22 bits for the character value
1265 #define CHARACTERBITS 22
1267 /* The maximum byte size consumed by push_key_description.
1268 All callers should assure that at least this size of memory is
1269 allocated at the place pointed by the second argument.
1271 Thers are 6 modifiers, each consumes 2 chars.
1272 The octal form of a character code consumes
1273 (1 + CHARACTERBITS / 3 + 1) chars (including backslash at the head).
1274 We need one more byte for string terminator `\0'. */
1275 #define KEY_DESCRIPTION_SIZE ((2 * 6) + 1 + (CHARACTERBITS / 3) + 1 + 1)
1277 #ifdef USE_X_TOOLKIT
1278 #ifdef NO_UNION_TYPE
1279 /* Use this for turning a (void *) into a Lisp_Object, as when the
1280 Lisp_Object is passed into a toolkit callback function. */
1281 #define VOID_TO_LISP(larg,varg) \
1282 do { ((larg) = ((Lisp_Object) (varg))); } while (0)
1283 #define CVOID_TO_LISP VOID_TO_LISP
1285 /* Use this for turning a Lisp_Object into a (void *), as when the
1286 Lisp_Object is passed into a toolkit callback function. */
1287 #define LISP_TO_VOID(larg) ((void *) (larg))
1288 #define LISP_TO_CVOID(varg) ((const void *) (larg))
1290 #else /* not NO_UNION_TYPE */
1291 /* Use this for turning a (void *) into a Lisp_Object, as when the
1292 Lisp_Object is passed into a toolkit callback function. */
1293 #define VOID_TO_LISP(larg,varg) \
1294 do { ((larg).v = (void *) (varg)); } while (0)
1295 #define CVOID_TO_LISP(larg,varg) \
1296 do { ((larg).cv = (const void *) (varg)); } while (0)
1298 /* Use this for turning a Lisp_Object into a (void *), as when the
1299 Lisp_Object is passed into a toolkit callback function. */
1300 #define LISP_TO_VOID(larg) ((larg).v)
1301 #define LISP_TO_CVOID(larg) ((larg).cv)
1302 #endif /* not NO_UNION_TYPE */
1303 #endif /* USE_X_TOOLKIT */
1306 /* The glyph datatype, used to represent characters on the display. */
1308 /* Glyph code to use as an index to the glyph table. If it is out of
1309 range for the glyph table, or the corresonding element in the table
1310 is nil, the low 8 bits are the single byte character code, and the
1311 bits above are the numeric face ID. If FID is the face ID of a
1312 glyph on a frame F, then F->display.x->faces[FID] contains the
1313 description of that face. This is an int instead of a short, so we
1314 can support a good bunch of face ID's (2^(31 - 8)); given that we
1315 have no mechanism for tossing unused frame face ID's yet, we'll
1316 probably run out of 255 pretty quickly.
1317 This is always -1 for a multibyte character. */
1320 /* Mask bits for face. */
1321 #define GLYPH_MASK_FACE 0x7FC00000
1322 /* Mask bits for character code. */
1323 #define GLYPH_MASK_CHAR 0x003FFFFF /* The lowest 19 bits */
1325 /* The FAST macros assume that we already know we're in an X window. */
1327 /* Set a character code and a face ID in a glyph G. */
1328 #define FAST_MAKE_GLYPH(char, face) ((char) | ((face) << CHARACTERBITS))
1330 /* Return a glyph's character code. */
1331 #define FAST_GLYPH_CHAR(glyph) ((glyph) & GLYPH_MASK_CHAR)
1333 /* Return a glyph's face ID. */
1334 #define FAST_GLYPH_FACE(glyph) (((glyph) & GLYPH_MASK_FACE) >> CHARACTERBITS)
1336 /* Slower versions that test the frame type first. */
1337 #define MAKE_GLYPH(f, char, face) (FAST_MAKE_GLYPH (char, face))
1338 #define GLYPH_CHAR(f, g) (FAST_GLYPH_CHAR (g))
1339 #define GLYPH_FACE(f, g) (FAST_GLYPH_FACE (g))
1341 /* Return 1 iff GLYPH contains valid character code. */
1342 #define GLYPH_CHAR_VALID_P(glyph) CHAR_VALID_P (FAST_GLYPH_CHAR (glyph), 1)
1344 /* The ID of the mode line highlighting face. */
1345 #define GLYPH_MODE_LINE_FACE 1
1347 /* Data type checking */
1349 #define NILP(x) (XFASTINT (x) == XFASTINT (Qnil))
1350 #define GC_NILP(x) GC_EQ (x, Qnil)
1352 #define NUMBERP(x) (INTEGERP (x) || FLOATP (x))
1353 #define GC_NUMBERP(x) (GC_INTEGERP (x) || GC_FLOATP (x))
1354 #define NATNUMP(x) (INTEGERP (x) && XINT (x) >= 0)
1355 #define GC_NATNUMP(x) (GC_INTEGERP (x) && XINT (x) >= 0)
1357 #define INTEGERP(x) (XTYPE ((x)) == Lisp_Int)
1358 #define GC_INTEGERP(x) (XGCTYPE ((x)) == Lisp_Int)
1359 #define SYMBOLP(x) (XTYPE ((x)) == Lisp_Symbol)
1360 #define GC_SYMBOLP(x) (XGCTYPE ((x)) == Lisp_Symbol)
1361 #define MISCP(x) (XTYPE ((x)) == Lisp_Misc)
1362 #define GC_MISCP(x) (XGCTYPE ((x)) == Lisp_Misc)
1363 #define VECTORLIKEP(x) (XTYPE ((x)) == Lisp_Vectorlike)
1364 #define GC_VECTORLIKEP(x) (XGCTYPE ((x)) == Lisp_Vectorlike)
1365 #define STRINGP(x) (XTYPE ((x)) == Lisp_String)
1366 #define GC_STRINGP(x) (XGCTYPE ((x)) == Lisp_String)
1367 #define CONSP(x) (XTYPE ((x)) == Lisp_Cons)
1368 #define GC_CONSP(x) (XGCTYPE ((x)) == Lisp_Cons)
1370 #define FLOATP(x) (XTYPE ((x)) == Lisp_Float)
1371 #define GC_FLOATP(x) (XGCTYPE ((x)) == Lisp_Float)
1372 #define VECTORP(x) (VECTORLIKEP (x) && !(XVECTOR (x)->size & PSEUDOVECTOR_FLAG))
1373 #define GC_VECTORP(x) (GC_VECTORLIKEP (x) && !(XVECTOR (x)->size & PSEUDOVECTOR_FLAG))
1374 #define OVERLAYP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Overlay)
1375 #define GC_OVERLAYP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Overlay)
1376 #define MARKERP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Marker)
1377 #define GC_MARKERP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Marker)
1378 #define INTFWDP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Intfwd)
1379 #define GC_INTFWDP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Intfwd)
1380 #define BOOLFWDP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Boolfwd)
1381 #define GC_BOOLFWDP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Boolfwd)
1382 #define OBJFWDP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Objfwd)
1383 #define GC_OBJFWDP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Objfwd)
1384 #define BUFFER_OBJFWDP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Buffer_Objfwd)
1385 #define GC_BUFFER_OBJFWDP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Buffer_Objfwd)
1386 #define BUFFER_LOCAL_VALUEP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Buffer_Local_Value)
1387 #define GC_BUFFER_LOCAL_VALUEP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Buffer_Local_Value)
1388 #define SOME_BUFFER_LOCAL_VALUEP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Some_Buffer_Local_Value)
1389 #define GC_SOME_BUFFER_LOCAL_VALUEP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Some_Buffer_Local_Value)
1390 #define KBOARD_OBJFWDP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Kboard_Objfwd)
1391 #define GC_KBOARD_OBJFWDP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Kboard_Objfwd)
1394 /* True if object X is a pseudovector whose code is CODE. */
1395 #define PSEUDOVECTORP(x, code) \
1397 && (((XVECTOR (x)->size & (PSEUDOVECTOR_FLAG | (code)))) \
1398 == (PSEUDOVECTOR_FLAG | (code))))
1400 /* True if object X is a pseudovector whose code is CODE.
1401 This one works during GC. */
1402 #define GC_PSEUDOVECTORP(x, code) \
1403 (GC_VECTORLIKEP (x) \
1404 && (((XVECTOR (x)->size & (PSEUDOVECTOR_FLAG | (code)))) \
1405 == (PSEUDOVECTOR_FLAG | (code))))
1407 /* Test for specific pseudovector types. */
1408 #define WINDOW_CONFIGURATIONP(x) PSEUDOVECTORP (x, PVEC_WINDOW_CONFIGURATION)
1409 #define GC_WINDOW_CONFIGURATIONP(x) GC_PSEUDOVECTORP (x, PVEC_WINDOW_CONFIGURATION)
1410 #define PROCESSP(x) PSEUDOVECTORP (x, PVEC_PROCESS)
1411 #define GC_PROCESSP(x) GC_PSEUDOVECTORP (x, PVEC_PROCESS)
1412 #define WINDOWP(x) PSEUDOVECTORP (x, PVEC_WINDOW)
1413 #define GC_WINDOWP(x) GC_PSEUDOVECTORP (x, PVEC_WINDOW)
1414 #define SUBRP(x) PSEUDOVECTORP (x, PVEC_SUBR)
1415 #define GC_SUBRP(x) GC_PSEUDOVECTORP (x, PVEC_SUBR)
1416 #define COMPILEDP(x) PSEUDOVECTORP (x, PVEC_COMPILED)
1417 #define GC_COMPILEDP(x) GC_PSEUDOVECTORP (x, PVEC_COMPILED)
1418 #define BUFFERP(x) PSEUDOVECTORP (x, PVEC_BUFFER)
1419 #define GC_BUFFERP(x) GC_PSEUDOVECTORP (x, PVEC_BUFFER)
1420 #define CHAR_TABLE_P(x) PSEUDOVECTORP (x, PVEC_CHAR_TABLE)
1421 #define GC_CHAR_TABLE_P(x) GC_PSEUDOVECTORP (x, PVEC_CHAR_TABLE)
1422 #define SUB_CHAR_TABLE_P(x) PSEUDOVECTORP (x, PVEC_SUB_CHAR_TABLE)
1423 #define GC_SUB_CHAR_TABLE_P(x) GC_PSEUDOVECTORP (x, PVEC_SUB_CHAR_TABLE)
1424 #define BOOL_VECTOR_P(x) PSEUDOVECTORP (x, PVEC_BOOL_VECTOR)
1425 #define GC_BOOL_VECTOR_P(x) GC_PSEUDOVECTORP (x, PVEC_BOOL_VECTOR)
1426 #define FRAMEP(x) PSEUDOVECTORP (x, PVEC_FRAME)
1427 #define GC_FRAMEP(x) GC_PSEUDOVECTORP (x, PVEC_FRAME)
1430 #define EQ(x, y) (XFASTINT (x) == XFASTINT (y))
1431 #define GC_EQ(x, y) (XGCTYPE (x) == XGCTYPE (y) && XPNTR (x) == XPNTR (y))
1433 #define CHECK_LIST(x) \
1434 do { if (!CONSP ((x)) && !NILP (x)) x = wrong_type_argument (Qlistp, (x)); } while (0)
1436 #define CHECK_STRING(x) \
1437 do { if (!STRINGP ((x))) x = wrong_type_argument (Qstringp, (x)); } while (0)
1439 #define CHECK_STRING_CAR(x) \
1440 do { if (!STRINGP (XCAR (x))) XSETCAR (x, wrong_type_argument (Qstringp, XCAR (x))); } while (0)
1442 #define CHECK_CONS(x) \
1443 do { if (!CONSP ((x))) x = wrong_type_argument (Qconsp, (x)); } while (0)
1445 #define CHECK_SYMBOL(x) \
1446 do { if (!SYMBOLP ((x))) x = wrong_type_argument (Qsymbolp, (x)); } while (0)
1448 #define CHECK_CHAR_TABLE(x) \
1449 do { if (!CHAR_TABLE_P ((x))) \
1450 x = wrong_type_argument (Qchar_table_p, (x)); } while (0)
1452 #define CHECK_VECTOR(x) \
1453 do { if (!VECTORP ((x))) x = wrong_type_argument (Qvectorp, (x)); } while (0)
1455 #define CHECK_VECTOR_OR_CHAR_TABLE(x) \
1456 do { if (!VECTORP ((x)) && !CHAR_TABLE_P ((x))) \
1457 x = wrong_type_argument (Qvector_or_char_table_p, (x)); \
1460 #define CHECK_BUFFER(x) \
1461 do { if (!BUFFERP ((x))) x = wrong_type_argument (Qbufferp, (x)); } while (0)
1463 #define CHECK_WINDOW(x) \
1464 do { if (!WINDOWP ((x))) x = wrong_type_argument (Qwindowp, (x)); } while (0)
1466 /* This macro rejects windows on the interior of the window tree as
1467 "dead", which is what we want; this is an argument-checking macro, and
1468 the user should never get access to interior windows.
1470 A window of any sort, leaf or interior, is dead iff the buffer,
1471 vchild, and hchild members are all nil. */
1473 #define CHECK_LIVE_WINDOW(x) \
1475 if (!WINDOWP ((x)) \
1476 || NILP (XWINDOW ((x))->buffer)) \
1477 x = wrong_type_argument (Qwindow_live_p, (x)); \
1480 #define CHECK_PROCESS(x) \
1481 do { if (!PROCESSP ((x))) x = wrong_type_argument (Qprocessp, (x)); } while (0)
1483 #define CHECK_NUMBER(x) \
1484 do { if (!INTEGERP ((x))) x = wrong_type_argument (Qintegerp, (x)); } while (0)
1486 #define CHECK_NATNUM(x) \
1487 do { if (!NATNUMP (x)) x = wrong_type_argument (Qwholenump, (x)); } while (0)
1489 #define CHECK_MARKER(x) \
1490 do { if (!MARKERP ((x))) x = wrong_type_argument (Qmarkerp, (x)); } while (0)
1492 #define CHECK_NUMBER_COERCE_MARKER(x) \
1493 do { if (MARKERP ((x))) XSETFASTINT (x, marker_position (x)); \
1494 else if (!INTEGERP ((x))) x = wrong_type_argument (Qinteger_or_marker_p, (x)); } while (0)
1496 #define XFLOATINT(n) extract_float((n))
1498 #define CHECK_FLOAT(x) \
1499 do { if (!FLOATP (x)) \
1500 x = wrong_type_argument (Qfloatp, (x)); } while (0)
1502 #define CHECK_NUMBER_OR_FLOAT(x) \
1503 do { if (!FLOATP (x) && !INTEGERP (x)) \
1504 x = wrong_type_argument (Qnumberp, (x)); } while (0)
1506 #define CHECK_NUMBER_OR_FLOAT_COERCE_MARKER(x) \
1507 do { if (MARKERP (x)) XSETFASTINT (x, marker_position (x)); \
1508 else if (!INTEGERP (x) && !FLOATP (x)) \
1509 x = wrong_type_argument (Qnumber_or_marker_p, (x)); } while (0)
1511 #define CHECK_OVERLAY(x) \
1512 do { if (!OVERLAYP ((x))) x = wrong_type_argument (Qoverlayp, (x));} while (0)
1514 /* Since we can't assign directly to the CAR or CDR fields of a cons
1515 cell, use these when checking that those fields contain numbers. */
1516 #define CHECK_NUMBER_CAR(x) \
1518 Lisp_Object tmp = XCAR (x); \
1519 CHECK_NUMBER (tmp); \
1520 XSETCAR ((x), tmp); \
1523 #define CHECK_NUMBER_CDR(x) \
1525 Lisp_Object tmp = XCDR (x); \
1526 CHECK_NUMBER (tmp); \
1527 XSETCDR ((x), tmp); \
1530 /* Cast pointers to this type to compare them. Some machines want int. */
1531 #ifndef PNTR_COMPARISON_TYPE
1532 #define PNTR_COMPARISON_TYPE EMACS_UINT
1535 /* Define a built-in function for calling from Lisp.
1536 `lname' should be the name to give the function in Lisp,
1537 as a null-terminated C string.
1538 `fnname' should be the name of the function in C.
1539 By convention, it starts with F.
1540 `sname' should be the name for the C constant structure
1541 that records information on this function for internal use.
1542 By convention, it should be the same as `fnname' but with S instead of F.
1543 It's too bad that C macros can't compute this from `fnname'.
1544 `minargs' should be a number, the minimum number of arguments allowed.
1545 `maxargs' should be a number, the maximum number of arguments allowed,
1546 or else MANY or UNEVALLED.
1547 MANY means pass a vector of evaluated arguments,
1548 in the form of an integer number-of-arguments
1549 followed by the address of a vector of Lisp_Objects
1550 which contains the argument values.
1551 UNEVALLED means pass the list of unevaluated arguments
1552 `prompt' says how to read arguments for an interactive call.
1553 See the doc string for `interactive'.
1554 A null string means call interactively with no arguments.
1555 `doc' is documentation for the user. */
1557 #if (!defined (__STDC__) && !defined (PROTOTYPES)) \
1558 || defined (USE_NONANSI_DEFUN)
1560 #define DEFUN(lname, fnname, sname, minargs, maxargs, prompt, args) \
1561 Lisp_Object fnname (); \
1562 struct Lisp_Subr sname = \
1563 { PVEC_SUBR | (sizeof (struct Lisp_Subr) / sizeof (EMACS_INT)), \
1564 fnname, minargs, maxargs, lname, prompt, 0}; \
1569 /* This version of DEFUN declares a function prototype with the right
1570 arguments, so we can catch errors with maxargs at compile-time. */
1571 #define DEFUN(lname, fnname, sname, minargs, maxargs, prompt, doc) \
1572 Lisp_Object fnname DEFUN_ARGS_ ## maxargs ; \
1573 struct Lisp_Subr sname = \
1574 { PVEC_SUBR | (sizeof (struct Lisp_Subr) / sizeof (EMACS_INT)), \
1575 fnname, minargs, maxargs, lname, prompt, 0}; \
1578 /* Note that the weird token-substitution semantics of ANSI C makes
1579 this work for MANY and UNEVALLED. */
1580 #define DEFUN_ARGS_MANY (int, Lisp_Object *)
1581 #define DEFUN_ARGS_UNEVALLED (Lisp_Object)
1582 #define DEFUN_ARGS_0 (void)
1583 #define DEFUN_ARGS_1 (Lisp_Object)
1584 #define DEFUN_ARGS_2 (Lisp_Object, Lisp_Object)
1585 #define DEFUN_ARGS_3 (Lisp_Object, Lisp_Object, Lisp_Object)
1586 #define DEFUN_ARGS_4 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object)
1587 #define DEFUN_ARGS_5 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, \
1589 #define DEFUN_ARGS_6 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, \
1590 Lisp_Object, Lisp_Object)
1591 #define DEFUN_ARGS_7 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, \
1592 Lisp_Object, Lisp_Object, Lisp_Object)
1593 #define DEFUN_ARGS_8 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, \
1594 Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object)
1597 /* Non-zero if OBJ is a Lisp function. */
1599 #define FUNCTIONP(OBJ) \
1600 ((CONSP (OBJ) && EQ (XCAR (OBJ), Qlambda)) \
1601 || (SYMBOLP (OBJ) && !NILP (Ffboundp (OBJ))) \
1602 || COMPILEDP (OBJ) \
1606 is how we define the symbol for function `name' at start-up time. */
1607 extern void defsubr
P_ ((struct Lisp_Subr
*));
1610 #define UNEVALLED -1
1612 extern void defvar_lisp
P_ ((char *, Lisp_Object
*));
1613 extern void defvar_lisp_nopro
P_ ((char *, Lisp_Object
*));
1614 extern void defvar_bool
P_ ((char *, int *));
1615 extern void defvar_int
P_ ((char *, int *));
1616 extern void defvar_per_buffer
P_ ((char *, Lisp_Object
*, Lisp_Object
, char *));
1617 extern void defvar_kboard
P_ ((char *, int));
1619 /* Macros we use to define forwarded Lisp variables.
1620 These are used in the syms_of_FILENAME functions. */
1622 #define DEFVAR_LISP(lname, vname, doc) defvar_lisp (lname, vname)
1623 #define DEFVAR_LISP_NOPRO(lname, vname, doc) defvar_lisp_nopro (lname, vname)
1624 #define DEFVAR_BOOL(lname, vname, doc) defvar_bool (lname, vname)
1625 #define DEFVAR_INT(lname, vname, doc) defvar_int (lname, vname)
1626 #define DEFVAR_PER_BUFFER(lname, vname, type, doc) \
1627 defvar_per_buffer (lname, vname, type, 0)
1628 #define DEFVAR_KBOARD(lname, vname, doc) \
1629 defvar_kboard (lname, \
1630 (int)((char *)(¤t_kboard->vname) \
1631 - (char *)current_kboard))
1635 /* Structure for recording Lisp call stack for backtrace purposes. */
1637 /* The special binding stack holds the outer values of variables while
1638 they are bound by a function application or a let form, stores the
1639 code to be executed for Lisp unwind-protect forms, and stores the C
1640 functions to be called for record_unwind_protect.
1642 If func is non-zero, undoing this binding applies func to old_value;
1643 This implements record_unwind_protect.
1644 If func is zero and symbol is nil, undoing this binding evaluates
1645 the list of forms in old_value; this implements Lisp's unwind-protect
1648 Otherwise, the element is a variable binding.
1650 If the symbol field is a symbol, it is an ordinary variable binding.
1652 Otherwise, it should be a structure (SYMBOL WHERE
1653 . CURRENT-BUFFER), which means having bound a local value while
1654 CURRENT-BUFFER was active. If WHERE is nil this means we saw the
1655 default value when binding SYMBOL. WHERE being a buffer or frame
1656 means we saw a buffer-local or frame-local value. Other values of
1657 WHERE mean an internal error. */
1661 Lisp_Object symbol
, old_value
;
1662 Lisp_Object (*func
) P_ ((Lisp_Object
));
1663 Lisp_Object unused
; /* Dividing by 16 is faster than by 12 */
1666 extern struct specbinding
*specpdl
;
1667 extern struct specbinding
*specpdl_ptr
;
1668 extern int specpdl_size
;
1670 extern int max_specpdl_size
;
1672 #define BINDING_STACK_SIZE() (specpdl_ptr - specpdl)
1674 /* Everything needed to describe an active condition case. */
1677 /* The handler clauses and variable from the condition-case form. */
1678 Lisp_Object handler
;
1680 /* Fsignal stores here the condition-case clause that applies,
1681 and Fcondition_case thus knows which clause to run. */
1682 Lisp_Object chosen_clause
;
1684 /* Used to effect the longjump out to the handler. */
1685 struct catchtag
*tag
;
1687 /* The next enclosing handler. */
1688 struct handler
*next
;
1691 extern struct handler
*handlerlist
;
1693 extern struct catchtag
*catchlist
;
1694 extern struct backtrace
*backtrace_list
;
1696 extern Lisp_Object memory_signal_data
;
1698 /* An address near the bottom of the stack.
1699 Tells GC how to save a copy of the stack. */
1700 extern char *stack_bottom
;
1702 /* Check quit-flag and quit if it is non-nil.
1703 Typing C-g does not directly cause a quit; it only sets Vquit_flag.
1704 So the program needs to do QUIT at times when it is safe to quit.
1705 Every loop that might run for a long time or might not exit
1706 ought to do QUIT at least once, at a safe place.
1707 Unless that is impossible, of course.
1708 But it is very desirable to avoid creating loops where QUIT is impossible.
1710 Exception: if you set immediate_quit to nonzero,
1711 then the handler that responds to the C-g does the quit itself.
1712 This is a good thing to do around a loop that has no side effects
1713 and (in particular) cannot call arbitrary Lisp code. */
1717 if (!NILP (Vquit_flag) && NILP (Vinhibit_quit)) \
1719 Vquit_flag = Qnil; \
1720 Fsignal (Qquit, Qnil); \
1724 /* Nonzero if ought to quit now. */
1726 #define QUITP (!NILP (Vquit_flag) && NILP (Vinhibit_quit))
1728 /* Variables used locally in the following case handling macros. */
1729 extern int case_temp1
;
1730 extern Lisp_Object case_temp2
;
1732 /* Current buffer's map from characters to lower-case characters. */
1734 #define DOWNCASE_TABLE current_buffer->downcase_table
1736 /* Current buffer's map from characters to upper-case characters. */
1738 #define UPCASE_TABLE current_buffer->upcase_table
1740 /* Downcase a character, or make no change if that cannot be done. */
1742 #define DOWNCASE(CH) \
1743 ((case_temp1 = (CH), \
1744 case_temp2 = CHAR_TABLE_REF (DOWNCASE_TABLE, case_temp1), \
1745 NATNUMP (case_temp2)) \
1746 ? XFASTINT (case_temp2) : case_temp1)
1748 /* 1 if CH is upper case. */
1750 #define UPPERCASEP(CH) (DOWNCASE (CH) != (CH))
1752 /* 1 if CH is neither upper nor lower case. */
1754 #define NOCASEP(CH) (UPCASE1 (CH) == (CH))
1756 /* 1 if CH is lower case. */
1758 #define LOWERCASEP(CH) (!UPPERCASEP (CH) && !NOCASEP(CH))
1760 /* Upcase a character, or make no change if that cannot be done. */
1762 #define UPCASE(CH) (!UPPERCASEP (CH) ? UPCASE1 (CH) : (CH))
1764 /* Upcase a character known to be not upper case. */
1766 #define UPCASE1(CH) \
1767 ((case_temp1 = (CH), \
1768 case_temp2 = CHAR_TABLE_REF (UPCASE_TABLE, case_temp1), \
1769 NATNUMP (case_temp2)) \
1770 ? XFASTINT (case_temp2) : case_temp1)
1772 extern Lisp_Object Vascii_downcase_table
;
1774 /* Number of bytes of structure consed since last GC. */
1776 extern int consing_since_gc
;
1778 /* Threshold for doing another gc. */
1780 extern int gc_cons_threshold
;
1782 /* Structure for recording stack slots that need marking. */
1784 /* This is a chain of structures, each of which points at a Lisp_Object variable
1785 whose value should be marked in garbage collection.
1786 Normally every link of the chain is an automatic variable of a function,
1787 and its `val' points to some argument or local variable of the function.
1788 On exit to the function, the chain is set back to the value it had on entry.
1789 This way, no link remains in the chain when the stack frame containing the
1792 Every function that can call Feval must protect in this fashion all
1793 Lisp_Object variables whose contents will be used again. */
1795 extern struct gcpro
*gcprolist
;
1801 /* Address of first protected variable. */
1802 volatile Lisp_Object
*var
;
1804 /* Number of consecutive protected variables. */
1812 /* Values of GC_MARK_STACK during compilation:
1814 0 Use GCPRO as before
1815 1 Do the real thing, make GCPROs and UNGCPRO no-ops.
1816 2 Mark the stack, and check that everything GCPRO'd is
1818 3 Mark using GCPRO's, mark stack last, and count how many
1819 dead objects are kept alive. */
1822 #define GC_USE_GCPROS_AS_BEFORE 0
1823 #define GC_MAKE_GCPROS_NOOPS 1
1824 #define GC_MARK_STACK_CHECK_GCPROS 2
1825 #define GC_USE_GCPROS_CHECK_ZOMBIES 3
1827 #ifndef GC_MARK_STACK
1828 #define GC_MARK_STACK GC_USE_GCPROS_AS_BEFORE
1831 #if GC_MARK_STACK == GC_MAKE_GCPROS_NOOPS
1833 /* Do something silly with gcproN vars just so gcc shuts up. */
1835 #define GCPRO1(varname) ((void) gcpro1)
1836 #define GCPRO2(varname1, varname2)(((void) gcpro2, (void) gcpro1))
1837 #define GCPRO3(varname1, varname2, varname3) \
1838 (((void) gcpro3, (void) gcpro2, (void) gcpro1))
1839 #define GCPRO4(varname1, varname2, varname3, varname4) \
1840 (((void) gcpro4, (void) gcpro3, (void) gcpro2, (void) gcpro1))
1841 #define GCPRO5(varname1, varname2, varname3, varname4, varname5) \
1842 (((void) gcpro5, (void) gcpro4, (void) gcpro3, (void) gcpro2, (void) gcpro1))
1843 #define UNGCPRO ((void) 0)
1845 #else /* GC_MARK_STACK != GC_MAKE_GCPROS_NOOPS */
1849 #define GCPRO1(varname) \
1850 {gcpro1.next = gcprolist; gcpro1.var = &varname; gcpro1.nvars = 1; \
1851 gcprolist = &gcpro1; }
1853 #define GCPRO2(varname1, varname2) \
1854 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
1855 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
1856 gcprolist = &gcpro2; }
1858 #define GCPRO3(varname1, varname2, varname3) \
1859 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
1860 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
1861 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
1862 gcprolist = &gcpro3; }
1864 #define GCPRO4(varname1, varname2, varname3, varname4) \
1865 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
1866 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
1867 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
1868 gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \
1869 gcprolist = &gcpro4; }
1871 #define GCPRO5(varname1, varname2, varname3, varname4, varname5) \
1872 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
1873 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
1874 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
1875 gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \
1876 gcpro5.next = &gcpro4; gcpro5.var = &varname5; gcpro5.nvars = 1; \
1877 gcprolist = &gcpro5; }
1879 #define UNGCPRO (gcprolist = gcpro1.next)
1883 extern int gcpro_level
;
1885 #define GCPRO1(varname) \
1886 {gcpro1.next = gcprolist; gcpro1.var = &varname; gcpro1.nvars = 1; \
1887 gcpro1.level = gcpro_level++; \
1888 gcprolist = &gcpro1; }
1890 #define GCPRO2(varname1, varname2) \
1891 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
1892 gcpro1.level = gcpro_level; \
1893 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
1894 gcpro2.level = gcpro_level++; \
1895 gcprolist = &gcpro2; }
1897 #define GCPRO3(varname1, varname2, varname3) \
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 gcpro3.level = gcpro_level++; \
1903 gcprolist = &gcpro3; }
1905 #define GCPRO4(varname1, varname2, varname3, varname4) \
1906 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
1907 gcpro1.level = gcpro_level; \
1908 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
1909 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
1910 gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \
1911 gcpro4.level = gcpro_level++; \
1912 gcprolist = &gcpro4; }
1914 #define GCPRO5(varname1, varname2, varname3, varname4, varname5) \
1915 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
1916 gcpro1.level = gcpro_level; \
1917 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
1918 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
1919 gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \
1920 gcpro5.next = &gcpro4; gcpro5.var = &varname5; gcpro5.nvars = 1; \
1921 gcpro5.level = gcpro_level++; \
1922 gcprolist = &gcpro5; }
1925 ((--gcpro_level != gcpro1.level) \
1927 : ((gcprolist = gcpro1.next), 0))
1929 #endif /* DEBUG_GCPRO */
1930 #endif /* GC_MARK_STACK != GC_MAKE_GCPROS_NOOPS */
1933 /* Evaluate expr, UNGCPRO, and then return the value of expr. */
1934 #define RETURN_UNGCPRO(expr) \
1937 Lisp_Object ret_ungc_val; \
1938 ret_ungc_val = (expr); \
1940 return ret_ungc_val; \
1944 /* Call staticpro (&var) to protect static variable `var'. */
1946 void staticpro
P_ ((Lisp_Object
*));
1948 /* Declare a Lisp-callable function. The MAXARGS parameter has the same
1949 meaning as in the DEFUN macro, and is used to construct a prototype. */
1950 #if (!defined (__STDC__) && !defined (PROTOTYPES)) \
1951 || defined (USE_NONANSI_DEFUN)
1952 #define EXFUN(fnname, maxargs) \
1953 extern Lisp_Object fnname ()
1955 /* We can use the same trick as in the DEFUN macro to generate the
1956 appropriate prototype. */
1957 #define EXFUN(fnname, maxargs) \
1958 extern Lisp_Object fnname DEFUN_ARGS_ ## maxargs
1961 /* Forward declarations for prototypes. */
1965 /* Defined in data.c */
1966 extern Lisp_Object Qnil
, Qt
, Qquote
, Qlambda
, Qsubr
, Qunbound
;
1967 extern Lisp_Object Qerror_conditions
, Qerror_message
, Qtop_level
;
1968 extern Lisp_Object Qerror
, Qquit
, Qwrong_type_argument
, Qargs_out_of_range
;
1969 extern Lisp_Object Qvoid_variable
, Qvoid_function
;
1970 extern Lisp_Object Qsetting_constant
, Qinvalid_read_syntax
;
1971 extern Lisp_Object Qinvalid_function
, Qwrong_number_of_arguments
, Qno_catch
;
1972 extern Lisp_Object Qend_of_file
, Qarith_error
;
1973 extern Lisp_Object Qbeginning_of_buffer
, Qend_of_buffer
, Qbuffer_read_only
;
1974 extern Lisp_Object Qmark_inactive
, Qtext_read_only
;
1976 extern Lisp_Object Qrange_error
, Qdomain_error
, Qsingularity_error
;
1977 extern Lisp_Object Qoverflow_error
, Qunderflow_error
;
1979 extern Lisp_Object Qintegerp
, Qnumberp
, Qnatnump
, Qwholenump
;
1980 extern Lisp_Object Qsymbolp
, Qlistp
, Qconsp
;
1981 extern Lisp_Object Qstringp
, Qarrayp
, Qsequencep
, Qbufferp
;
1982 extern Lisp_Object Qchar_or_string_p
, Qmarkerp
, Qvectorp
;
1983 extern Lisp_Object Qinteger_or_marker_p
, Qnumber_or_marker_p
;
1984 extern Lisp_Object Qchar_table_p
, Qvector_or_char_table_p
;
1985 extern Lisp_Object Qboundp
, Qfboundp
;
1986 extern Lisp_Object Qbuffer_or_string_p
;
1987 extern Lisp_Object Qcdr
;
1989 extern Lisp_Object Qfloatp
, Qinteger_or_floatp
, Qinteger_or_float_or_marker_p
;
1991 extern Lisp_Object Qframep
;
1993 extern void circular_list_error
P_ ((Lisp_Object
));
2001 EXFUN (Fintegerp
, 1);
2002 EXFUN (Fnatnump
, 1);
2003 EXFUN (Fsymbolp
, 1);
2004 EXFUN (Fvectorp
, 1);
2005 EXFUN (Fstringp
, 1);
2006 EXFUN (Fmultibyte_string_p
, 1);
2008 EXFUN (Fsequencep
, 1);
2009 EXFUN (Fbufferp
, 1);
2010 EXFUN (Fmarkerp
, 1);
2012 EXFUN (Fchar_or_string_p
, 1);
2013 EXFUN (Finteger_or_marker_p
, 1);
2015 EXFUN (Finteger_or_floatp
, 1);
2016 EXFUN (Finteger_or_float_or_marker_p
, 1);
2019 EXFUN (Fcar_safe
, 1);
2021 EXFUN (Fcdr_safe
, 1);
2025 EXFUN (Ffboundp
, 1);
2026 EXFUN (Fmakunbound
, 1);
2027 EXFUN (Ffmakunbound
, 1);
2028 EXFUN (Fsymbol_function
, 1);
2029 EXFUN (Fsymbol_plist
, 1);
2030 EXFUN (Fsymbol_name
, 1);
2031 extern Lisp_Object indirect_function
P_ ((Lisp_Object
));
2032 EXFUN (Findirect_function
, 1);
2034 EXFUN (Fsetplist
, 2);
2035 EXFUN (Fsymbol_value
, 1);
2036 extern Lisp_Object find_symbol_value
P_ ((Lisp_Object
));
2038 EXFUN (Fdefault_value
, 1);
2039 EXFUN (Fset_default
, 2);
2040 EXFUN (Fdefault_boundp
, 1);
2041 EXFUN (Fmake_local_variable
, 1);
2042 EXFUN (Flocal_variable_p
, 2);
2043 EXFUN (Flocal_variable_if_set_p
, 2);
2048 EXFUN (Fstring_to_number
, 2);
2049 EXFUN (Fnumber_to_string
, 1);
2050 EXFUN (Feqlsign
, 2);
2057 EXFUN (Fplus
, MANY
);
2058 EXFUN (Fminus
, MANY
);
2059 EXFUN (Ftimes
, MANY
);
2064 EXFUN (Flogand
, MANY
);
2065 EXFUN (Flogior
, MANY
);
2066 EXFUN (Flogxor
, MANY
);
2073 EXFUN (Fmake_variable_buffer_local
, 1);
2075 extern Lisp_Object indirect_variable
P_ ((Lisp_Object
));
2076 extern Lisp_Object long_to_cons
P_ ((unsigned long));
2077 extern unsigned long cons_to_long
P_ ((Lisp_Object
));
2078 extern void args_out_of_range
P_ ((Lisp_Object
, Lisp_Object
));
2079 extern void args_out_of_range_3
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
));
2080 extern Lisp_Object wrong_type_argument
P_ ((Lisp_Object
, Lisp_Object
));
2081 extern void store_symval_forwarding
P_ ((Lisp_Object
, Lisp_Object
,
2082 Lisp_Object
, struct buffer
*));
2083 extern Lisp_Object do_symval_forwarding
P_ ((Lisp_Object
));
2084 extern Lisp_Object set_internal
P_ ((Lisp_Object
, Lisp_Object
, struct buffer
*, int));
2085 extern void syms_of_data
P_ ((void));
2086 extern void init_data
P_ ((void));
2087 extern void swap_in_global_binding
P_ ((Lisp_Object
));
2089 /* Defined in cmds.c */
2090 EXFUN (Fend_of_line
, 1);
2091 EXFUN (Fforward_char
, 1);
2092 EXFUN (Fforward_line
, 1);
2093 extern int forward_point
P_ ((int));
2094 extern int internal_self_insert
P_ ((int, int));
2095 extern void syms_of_cmds
P_ ((void));
2096 extern void keys_of_cmds
P_ ((void));
2098 /* Defined in coding.c */
2099 EXFUN (Fcoding_system_p
, 1);
2100 EXFUN (Fcheck_coding_system
, 1);
2101 EXFUN (Fread_coding_system
, 2);
2102 EXFUN (Fread_non_nil_coding_system
, 1);
2103 EXFUN (Ffind_operation_coding_system
, MANY
);
2104 EXFUN (Fupdate_coding_systems_internal
, 0);
2105 EXFUN (Fencode_coding_string
, 4);
2106 EXFUN (Fdecode_coding_string
, 4);
2107 extern Lisp_Object detect_coding_system
P_ ((unsigned char *, int, int, int,
2109 extern void init_coding
P_ ((void));
2110 extern void init_coding_once
P_ ((void));
2111 extern void syms_of_coding
P_ ((void));
2113 /* Defined in character.c */
2114 extern void init_character_once
P_ ((void));
2115 extern void syms_of_character
P_ ((void));
2117 /* Defined in charset.c */
2118 EXFUN (Fchar_bytes
, 1);
2119 EXFUN (Fchar_width
, 1);
2120 EXFUN (Fstring
, MANY
);
2121 extern int chars_in_text
P_ ((unsigned char *, int));
2122 extern int multibyte_chars_in_text
P_ ((unsigned char *, int));
2123 extern int multibyte_char_to_unibyte
P_ ((int, Lisp_Object
));
2124 extern Lisp_Object Qcharset
;
2125 extern void init_charset
P_ ((void));
2126 extern void init_charset_once
P_ ((void));
2127 extern void syms_of_charset
P_ ((void));
2129 /* Defined in composite.c */
2130 extern void syms_of_composite
P_ ((void));
2132 /* Defined in syntax.c */
2133 EXFUN (Fforward_word
, 1);
2134 EXFUN (Fskip_chars_forward
, 2);
2135 EXFUN (Fskip_chars_backward
, 2);
2136 EXFUN (Fsyntax_table_p
, 1);
2137 EXFUN (Fsyntax_table
, 0);
2138 EXFUN (Fset_syntax_table
, 1);
2139 extern void init_syntax_once
P_ ((void));
2140 extern void syms_of_syntax
P_ ((void));
2142 /* Defined in fns.c */
2143 extern int use_dialog_box
;
2144 extern int next_almost_prime
P_ ((int));
2145 extern Lisp_Object larger_vector
P_ ((Lisp_Object
, int, Lisp_Object
));
2146 extern void sweep_weak_hash_tables
P_ ((void));
2147 extern Lisp_Object Qstring_lessp
;
2148 extern Lisp_Object Vfeatures
;
2149 extern Lisp_Object QCtest
, QCweakness
, Qequal
, Qeq
;
2150 unsigned sxhash
P_ ((Lisp_Object
, int));
2151 Lisp_Object make_hash_table
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
,
2152 Lisp_Object
, Lisp_Object
, Lisp_Object
,
2154 Lisp_Object copy_hash_table
P_ ((struct Lisp_Hash_Table
*));
2155 int hash_lookup
P_ ((struct Lisp_Hash_Table
*, Lisp_Object
, unsigned *));
2156 int hash_put
P_ ((struct Lisp_Hash_Table
*, Lisp_Object
, Lisp_Object
,
2158 void hash_remove
P_ ((struct Lisp_Hash_Table
*, Lisp_Object
));
2159 void hash_clear
P_ ((struct Lisp_Hash_Table
*));
2160 void remove_hash_entry
P_ ((struct Lisp_Hash_Table
*, int));
2161 extern void init_fns
P_ ((void));
2163 EXFUN (Fmake_hash_table
, MANY
);
2164 EXFUN (Fmakehash
, 1);
2165 EXFUN (Fcopy_hash_table
, 1);
2166 EXFUN (Fhash_table_count
, 1);
2167 EXFUN (Fhash_table_rehash_size
, 1);
2168 EXFUN (Fhash_table_rehash_threshold
, 1);
2169 EXFUN (Fhash_table_size
, 1);
2170 EXFUN (Fhash_table_test
, 1);
2171 EXFUN (Fhash_table_weak
, 1);
2172 EXFUN (Fhash_table_p
, 1);
2173 EXFUN (Fclrhash
, 1);
2174 EXFUN (Fgethash
, 3);
2175 EXFUN (Fputhash
, 3);
2176 EXFUN (Fremhash
, 2);
2177 EXFUN (Fmaphash
, 2);
2178 EXFUN (Fdefine_hash_table_test
, 3);
2180 EXFUN (Fidentity
, 1);
2183 EXFUN (Fsafe_length
, 1);
2184 EXFUN (Fappend
, MANY
);
2185 EXFUN (Fconcat
, MANY
);
2186 EXFUN (Fvconcat
, MANY
);
2187 EXFUN (Fcopy_sequence
, 1);
2188 EXFUN (Fstring_make_multibyte
, 1);
2189 EXFUN (Fstring_make_unibyte
, 1);
2190 EXFUN (Fstring_as_multibyte
, 1);
2191 EXFUN (Fstring_as_unibyte
, 1);
2192 EXFUN (Fsubstring
, 3);
2193 extern Lisp_Object substring_both
P_ ((Lisp_Object
, int, int, int, int));
2204 EXFUN (Freverse
, 1);
2205 EXFUN (Fnreverse
, 1);
2209 EXFUN (Ffillarray
, 2);
2210 EXFUN (Fnconc
, MANY
);
2212 EXFUN (Fmapconcat
, 3);
2213 EXFUN (Fy_or_n_p
, 1);
2214 extern Lisp_Object do_yes_or_no_p
P_ ((Lisp_Object
));
2215 EXFUN (Frequire
, 3);
2216 EXFUN (Fprovide
, 2);
2217 extern Lisp_Object concat2
P_ ((Lisp_Object
, Lisp_Object
));
2218 extern Lisp_Object concat3
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
));
2219 extern Lisp_Object nconc2
P_ ((Lisp_Object
, Lisp_Object
));
2220 extern Lisp_Object assq_no_quit
P_ ((Lisp_Object
, Lisp_Object
));
2221 extern void clear_string_char_byte_cache
P_ ((void));
2222 extern int string_char_to_byte
P_ ((Lisp_Object
, int));
2223 extern int string_byte_to_char
P_ ((Lisp_Object
, int));
2224 extern Lisp_Object string_make_multibyte
P_ ((Lisp_Object
));
2225 extern Lisp_Object string_make_unibyte
P_ ((Lisp_Object
));
2226 EXFUN (Fcopy_alist
, 1);
2227 EXFUN (Fplist_get
, 2);
2228 EXFUN (Fplist_put
, 3);
2230 EXFUN (Fstring_equal
, 2);
2231 EXFUN (Fcompare_strings
, 7);
2232 EXFUN (Fstring_lessp
, 2);
2233 extern void syms_of_fns
P_ ((void));
2235 /* Defined in floatfns.c */
2236 extern double extract_float
P_ ((Lisp_Object
));
2238 EXFUN (Ftruncate
, 2);
2239 extern void init_floatfns
P_ ((void));
2240 extern void syms_of_floatfns
P_ ((void));
2242 /* Defined in insdel.c */
2243 extern Lisp_Object Qinhibit_modification_hooks
;
2244 extern void move_gap
P_ ((int));
2245 extern void move_gap_both
P_ ((int, int));
2246 extern void make_gap
P_ ((int));
2247 extern int copy_text
P_ ((unsigned char *, unsigned char *, int, int, int));
2248 extern int count_size_as_multibyte
P_ ((unsigned char *, int));
2249 extern int count_combining_before
P_ ((unsigned char *, int, int, int));
2250 extern int count_combining_after
P_ ((unsigned char *, int, int, int));
2251 extern void insert
P_ ((unsigned char *, int));
2252 extern void insert_and_inherit
P_ ((unsigned char *, int));
2253 extern void insert_1
P_ ((unsigned char *, int, int, int, int));
2254 extern void insert_1_both
P_ ((unsigned char *, int, int, int, int, int));
2255 extern void insert_from_gap
P_ ((int, int));
2256 extern void insert_from_string
P_ ((Lisp_Object
, int, int, int, int, int));
2257 extern void insert_from_buffer
P_ ((struct buffer
*, int, int, int));
2258 extern void insert_char
P_ ((int));
2259 extern void insert_string
P_ ((char *));
2260 extern void insert_before_markers
P_ ((unsigned char *, int));
2261 extern void insert_before_markers_and_inherit
P_ ((unsigned char *, int));
2262 extern void insert_from_string_before_markers
P_ ((Lisp_Object
, int, int, int, int, int));
2263 extern void del_range
P_ ((int, int));
2264 extern Lisp_Object del_range_1
P_ ((int, int, int, int));
2265 extern void del_range_byte
P_ ((int, int, int));
2266 extern void del_range_both
P_ ((int, int, int, int, int));
2267 extern Lisp_Object del_range_2
P_ ((int, int, int, int, int));
2268 extern void modify_region
P_ ((struct buffer
*, int, int));
2269 extern void prepare_to_modify_buffer
P_ ((int, int, int *));
2270 extern void signal_before_change
P_ ((int, int, int *));
2271 extern void signal_after_change
P_ ((int, int, int));
2272 extern void adjust_after_replace
P_ ((int, int, Lisp_Object
, int, int));
2273 extern void adjust_after_replace_noundo
P_ ((int, int, int, int, int, int));
2274 extern void adjust_after_insert
P_ ((int, int, int, int, int));
2275 extern void replace_range
P_ ((int, int, Lisp_Object
, int, int, int));
2276 extern void syms_of_insdel
P_ ((void));
2278 /* Defined in dispnew.c */
2279 extern Lisp_Object selected_frame
;
2281 EXFUN (Fredraw_frame
, 1);
2282 EXFUN (Fredraw_display
, 0);
2283 EXFUN (Fsleep_for
, 2);
2284 EXFUN (Fsit_for
, 3);
2285 extern Lisp_Object sit_for
P_ ((int, int, int, int, int));
2286 extern void init_display
P_ ((void));
2287 extern void syms_of_display
P_ ((void));
2288 extern void safe_bcopy
P_ ((char *, char *, int));
2290 /* Defined in xdisp.c */
2291 extern Lisp_Object Qinhibit_point_motion_hooks
;
2292 extern Lisp_Object Qinhibit_redisplay
, Qdisplay
;
2293 extern Lisp_Object Qinhibit_eval_during_redisplay
;
2294 extern Lisp_Object Qmessage_truncate_lines
;
2295 extern Lisp_Object Qcursor_in_non_selected_windows
;
2296 extern Lisp_Object Vmessage_log_max
;
2297 extern int message_enable_multibyte
;
2298 extern Lisp_Object echo_area_buffer
[2];
2299 extern void check_message_stack
P_ ((void));
2300 extern void setup_echo_area_for_printing
P_ ((int));
2301 extern int push_message
P_ ((void));
2302 extern Lisp_Object push_message_unwind
P_ ((Lisp_Object
));
2303 extern void pop_message
P_ ((void));
2304 extern void restore_message
P_ ((void));
2305 extern Lisp_Object current_message
P_ ((void));
2306 extern void set_message
P_ ((char *s
, Lisp_Object
, int, int));
2307 extern void clear_message
P_ ((int, int));
2308 extern void message
P_ ((/* char *, ... */));
2309 extern void message_nolog
P_ ((/* char *, ... */));
2310 extern void message1
P_ ((char *));
2311 extern void message1_nolog
P_ ((char *));
2312 extern void message2
P_ ((char *, int, int));
2313 extern void message2_nolog
P_ ((char *, int, int));
2314 extern void message3
P_ ((Lisp_Object
, int, int));
2315 extern void message3_nolog
P_ ((Lisp_Object
, int, int));
2316 extern void message_dolog
P_ ((char *, int, int, int));
2317 extern void message_with_string
P_ ((char *, Lisp_Object
, int));
2318 extern void message_log_maybe_newline
P_ ((void));
2319 extern void update_echo_area
P_ ((void));
2320 extern void truncate_echo_area
P_ ((int));
2321 extern void redisplay
P_ ((void));
2322 extern int check_point_in_composition
2323 P_ ((struct buffer
*, int, struct buffer
*, int));
2324 extern void redisplay_preserve_echo_area
P_ ((int));
2325 extern void mark_window_display_accurate
P_ ((Lisp_Object
, int));
2326 extern void prepare_menu_bars
P_ ((void));
2327 extern void syms_of_xdisp
P_ ((void));
2328 extern void init_xdisp
P_ ((void));
2329 extern Lisp_Object safe_eval
P_ ((Lisp_Object
));
2330 extern int pos_visible_p
P_ ((struct window
*, int, int *, int));
2332 /* Defined in vm-limit.c. */
2333 extern void memory_warnings
P_ ((POINTER_TYPE
*, void (*warnfun
) ()));
2335 /* Defined in alloc.c */
2336 extern void check_pure_size
P_ ((void));
2337 extern void allocate_string_data
P_ ((struct Lisp_String
*, int, int));
2338 extern void uninterrupt_malloc
P_ ((void));
2339 extern void malloc_warning
P_ ((char *));
2340 extern void memory_full
P_ ((void));
2341 extern void buffer_memory_full
P_ ((void));
2342 extern int survives_gc_p
P_ ((Lisp_Object
));
2343 extern void mark_object
P_ ((Lisp_Object
*));
2344 extern Lisp_Object Vpurify_flag
;
2350 EXFUN (Flist
, MANY
);
2351 EXFUN (Fmake_list
, 2);
2352 extern Lisp_Object allocate_misc
P_ ((void));
2353 EXFUN (Fmake_vector
, 2);
2354 EXFUN (Fvector
, MANY
);
2355 EXFUN (Fmake_symbol
, 1);
2356 EXFUN (Fmake_marker
, 0);
2357 EXFUN (Fmake_string
, 2);
2358 extern Lisp_Object build_string
P_ ((char *));
2359 extern Lisp_Object make_string
P_ ((char *, int));
2360 extern Lisp_Object make_unibyte_string
P_ ((char *, int));
2361 extern Lisp_Object make_multibyte_string
P_ ((char *, int, int));
2362 extern Lisp_Object make_event_array
P_ ((int, Lisp_Object
*));
2363 extern Lisp_Object make_uninit_string
P_ ((int));
2364 extern Lisp_Object make_uninit_multibyte_string
P_ ((int, int));
2365 extern Lisp_Object make_string_from_bytes
P_ ((char *, int, int));
2366 extern Lisp_Object make_specified_string
P_ ((char *, int, int, int));
2367 EXFUN (Fpurecopy
, 1);
2368 extern Lisp_Object make_pure_string
P_ ((char *, int, int, int));
2369 extern Lisp_Object pure_cons
P_ ((Lisp_Object
, Lisp_Object
));
2370 extern Lisp_Object make_pure_vector
P_ ((EMACS_INT
));
2371 EXFUN (Fgarbage_collect
, 0);
2372 EXFUN (Fmake_byte_code
, MANY
);
2373 EXFUN (Fmake_bool_vector
, 2);
2374 extern Lisp_Object Qchar_table_extra_slots
;
2375 extern struct Lisp_Vector
*allocate_vector
P_ ((EMACS_INT
));
2376 extern struct Lisp_Vector
*allocate_other_vector
P_ ((EMACS_INT
));
2377 extern struct Lisp_Hash_Table
*allocate_hash_table
P_ ((void));
2378 extern struct window
*allocate_window
P_ ((void));
2379 extern struct frame
*allocate_frame
P_ ((void));
2380 extern struct Lisp_Process
*allocate_process
P_ ((void));
2381 extern int gc_in_progress
;
2382 extern Lisp_Object make_float
P_ ((double));
2383 extern void display_malloc_warning
P_ ((void));
2384 extern int inhibit_garbage_collection
P_ ((void));
2385 extern void free_marker
P_ ((Lisp_Object
));
2386 extern void free_cons
P_ ((struct Lisp_Cons
*));
2387 extern void init_alloc_once
P_ ((void));
2388 extern void init_alloc
P_ ((void));
2389 extern void syms_of_alloc
P_ ((void));
2390 extern struct buffer
* allocate_buffer
P_ ((void));
2392 /* Defined in chartab.c */
2393 EXFUN (Fmake_char_table
, 2);
2394 EXFUN (Fchar_table_parent
, 1);
2395 EXFUN (Fset_char_table_parent
, 2);
2396 EXFUN (Fchar_table_extra_slot
, 2);
2397 EXFUN (Fset_char_table_extra_slot
, 3);
2398 EXFUN (Fchar_table_range
, 2);
2399 EXFUN (Fset_char_table_range
, 3);
2400 EXFUN (Fset_char_table_default
, 3);
2401 EXFUN (Foptimize_char_table
, 1);
2402 EXFUN (Fmap_char_table
, 2);
2403 extern Lisp_Object copy_char_table
P_ ((Lisp_Object
));
2404 extern Lisp_Object sub_char_table_ref
P_ ((Lisp_Object
, int));
2405 extern Lisp_Object char_table_ref
P_ ((Lisp_Object
, int));
2406 extern Lisp_Object char_table_ref_and_range
P_ ((Lisp_Object
, int,
2408 extern Lisp_Object char_table_set
P_ ((Lisp_Object
, int, Lisp_Object
));
2409 extern Lisp_Object char_table_set_range
P_ ((Lisp_Object
, int, int,
2411 extern int char_table_translate
P_ ((Lisp_Object
, int));
2412 extern void map_char_table
P_ ((void (*) (Lisp_Object
, Lisp_Object
,
2414 Lisp_Object
, Lisp_Object
, Lisp_Object
, int,
2416 extern void syms_of_chartab
P_ ((void));
2418 /* Defined in print.c */
2419 extern Lisp_Object Vprin1_to_string_buffer
;
2420 extern void debug_print
P_ ((Lisp_Object
));
2422 EXFUN (Fprin1_to_string
, 2);
2426 EXFUN (Ferror_message_string
, 1);
2427 extern Lisp_Object Vstandard_output
, Qstandard_output
;
2428 extern Lisp_Object Qexternal_debugging_output
;
2429 extern void temp_output_buffer_setup
P_ ((char *));
2430 extern int print_level
, print_escape_newlines
;
2431 extern Lisp_Object Qprint_escape_newlines
;
2432 extern void write_string
P_ ((char *, int));
2433 extern void write_string_1
P_ ((char *, int, Lisp_Object
));
2434 extern void print_error_message
P_ ((Lisp_Object
, Lisp_Object
));
2435 extern Lisp_Object internal_with_output_to_temp_buffer
2436 P_ ((char *, Lisp_Object (*) (Lisp_Object
), Lisp_Object
));
2437 extern void float_to_string
P_ ((unsigned char *, double));
2438 extern void syms_of_print
P_ ((void));
2440 /* Defined in doprnt.c */
2441 extern int doprnt
P_ ((char *, int, char *, char *, int, char **));
2442 extern int doprnt_lisp
P_ ((char *, int, char *, char *, int, char **));
2444 /* Defined in lread.c */
2445 extern Lisp_Object Qvariable_documentation
, Qstandard_input
;
2446 extern Lisp_Object Vobarray
, initial_obarray
, Vstandard_input
;
2448 EXFUN (Fread_from_string
, 3);
2450 EXFUN (Fintern_soft
, 2);
2452 EXFUN (Fget_file_char
, 0);
2453 EXFUN (Fread_char
, 2);
2454 EXFUN (Fread_event
, 2);
2455 extern Lisp_Object read_filtered_event
P_ ((int, int, int, int));
2456 EXFUN (Feval_region
, 4);
2457 extern Lisp_Object intern
P_ ((char *));
2458 extern Lisp_Object make_symbol
P_ ((char *));
2459 extern Lisp_Object oblookup
P_ ((Lisp_Object
, char *, int, int));
2460 #define LOADHIST_ATTACH(x) \
2461 if (initialized) Vcurrent_load_list = Fcons (x, Vcurrent_load_list)
2462 extern Lisp_Object Vcurrent_load_list
;
2463 extern Lisp_Object Vload_history
, Vload_suffixes
;
2464 extern int openp
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
,
2465 Lisp_Object
*, int));
2466 extern int isfloat_string
P_ ((char *));
2467 extern void map_obarray
P_ ((Lisp_Object
, void (*) (Lisp_Object
, Lisp_Object
),
2469 extern void dir_warning
P_ ((char *, Lisp_Object
));
2470 extern void close_load_descs
P_ ((void));
2471 extern void init_obarray
P_ ((void));
2472 extern void init_lread
P_ ((void));
2473 extern void syms_of_lread
P_ ((void));
2475 /* Defined in eval.c */
2476 extern Lisp_Object Qautoload
, Qexit
, Qinteractive
, Qcommandp
, Qdefun
, Qmacro
;
2477 extern Lisp_Object Vinhibit_quit
, Qinhibit_quit
, Vquit_flag
;
2478 extern Lisp_Object Vautoload_queue
;
2479 extern Lisp_Object Vdebug_on_error
;
2480 extern Lisp_Object Vsignaling_function
;
2481 extern int handling_signal
;
2482 extern int interactive_p
P_ ((int));
2484 /* To run a normal hook, use the appropriate function from the list below.
2485 The calling convention:
2487 if (!NILP (Vrun_hooks))
2488 call1 (Vrun_hooks, Qmy_funny_hook);
2490 should no longer be used. */
2491 extern Lisp_Object Vrun_hooks
;
2492 EXFUN (Frun_hooks
, MANY
);
2493 EXFUN (Frun_hook_with_args
, MANY
);
2494 EXFUN (Frun_hook_with_args_until_success
, MANY
);
2495 EXFUN (Frun_hook_with_args_until_failure
, MANY
);
2496 extern Lisp_Object run_hook_list_with_args
P_ ((Lisp_Object
, int, Lisp_Object
*));
2497 extern void run_hook_with_args_2
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
));
2498 EXFUN (Fand
, UNEVALLED
);
2499 EXFUN (For
, UNEVALLED
);
2500 EXFUN (Fif
, UNEVALLED
);
2501 EXFUN (Fprogn
, UNEVALLED
);
2502 EXFUN (Fprog1
, UNEVALLED
);
2503 EXFUN (Fprog2
, UNEVALLED
);
2504 EXFUN (Fsetq
, UNEVALLED
);
2505 EXFUN (Fquote
, UNEVALLED
);
2506 EXFUN (Fuser_variable_p
, 1);
2507 EXFUN (Finteractive_p
, 0);
2508 EXFUN (Fdefun
, UNEVALLED
);
2509 EXFUN (Flet
, UNEVALLED
);
2510 EXFUN (FletX
, UNEVALLED
);
2511 EXFUN (Fwhile
, UNEVALLED
);
2512 EXFUN (Fcatch
, UNEVALLED
);
2513 EXFUN (Fthrow
, 2) NO_RETURN
;
2514 EXFUN (Funwind_protect
, UNEVALLED
);
2515 EXFUN (Fcondition_case
, UNEVALLED
);
2517 EXFUN (Fautoload
, 5);
2518 EXFUN (Fcommandp
, 1);
2520 EXFUN (Fapply
, MANY
);
2521 EXFUN (Ffuncall
, MANY
);
2522 EXFUN (Fbacktrace
, 0);
2523 extern Lisp_Object apply1
P_ ((Lisp_Object
, Lisp_Object
));
2524 extern Lisp_Object call0
P_ ((Lisp_Object
));
2525 extern Lisp_Object call1
P_ ((Lisp_Object
, Lisp_Object
));
2526 extern Lisp_Object call2
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
));
2527 extern Lisp_Object call3
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
));
2528 extern Lisp_Object call4
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
));
2529 extern Lisp_Object call5
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
));
2530 extern Lisp_Object call6
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
));
2531 EXFUN (Fdo_auto_save
, 2);
2532 extern Lisp_Object apply_lambda
P_ ((Lisp_Object
, Lisp_Object
, int));
2533 extern Lisp_Object internal_catch
P_ ((Lisp_Object
, Lisp_Object (*) (Lisp_Object
), Lisp_Object
));
2534 extern Lisp_Object internal_condition_case
P_ ((Lisp_Object (*) (void), Lisp_Object
, Lisp_Object (*) (Lisp_Object
)));
2535 extern Lisp_Object internal_condition_case_1
P_ ((Lisp_Object (*) (Lisp_Object
), Lisp_Object
, Lisp_Object
, Lisp_Object (*) (Lisp_Object
)));
2536 extern Lisp_Object internal_condition_case_2
P_ ((Lisp_Object (*) (int, Lisp_Object
*), int, Lisp_Object
*, Lisp_Object
, Lisp_Object (*) (Lisp_Object
)));
2537 extern void specbind
P_ ((Lisp_Object
, Lisp_Object
));
2538 extern void record_unwind_protect
P_ ((Lisp_Object (*) (Lisp_Object
), Lisp_Object
));
2539 extern Lisp_Object unbind_to
P_ ((int, Lisp_Object
));
2540 extern void error
P_ ((/* char *, ... */)) NO_RETURN
;
2541 extern void do_autoload
P_ ((Lisp_Object
, Lisp_Object
));
2542 extern Lisp_Object un_autoload
P_ ((Lisp_Object
));
2543 EXFUN (Ffetch_bytecode
, 1);
2544 extern void init_eval_once
P_ ((void));
2545 extern Lisp_Object safe_call
P_ ((int, Lisp_Object
*));
2546 extern Lisp_Object safe_call1
P_ ((Lisp_Object
, Lisp_Object
));
2547 extern void init_eval
P_ ((void));
2548 extern void syms_of_eval
P_ ((void));
2550 /* Defined in editfns.c */
2551 EXFUN (Fcurrent_message
, 0);
2552 EXFUN (Fgoto_char
, 1);
2553 EXFUN (Fpoint_min_marker
, 0);
2554 EXFUN (Fpoint_max_marker
, 0);
2555 EXFUN (Fpoint_min
, 0);
2556 EXFUN (Fpoint_max
, 0);
2558 EXFUN (Fpoint_marker
, 0);
2559 EXFUN (Fmark_marker
, 0);
2560 EXFUN (Fline_beginning_position
, 1);
2561 EXFUN (Fline_end_position
, 1);
2562 EXFUN (Ffollowing_char
, 0);
2563 EXFUN (Fprevious_char
, 0);
2564 EXFUN (Fchar_after
, 1);
2565 EXFUN (Finsert
, MANY
);
2566 EXFUN (Finsert_and_inherit
, MANY
);
2567 EXFUN (Finsert_before_markers
, MANY
);
2568 EXFUN (Finsert_buffer_substring
, 3);
2569 EXFUN (Finsert_char
, 3);
2570 extern void insert1
P_ ((Lisp_Object
));
2575 EXFUN (Fformat
, MANY
);
2576 EXFUN (Fmessage
, MANY
);
2577 extern Lisp_Object format1
P_ ((/* char *, ... */));
2578 extern Lisp_Object make_buffer_string
P_ ((int, int, int));
2579 EXFUN (Fbuffer_substring
, 2);
2580 EXFUN (Fbuffer_string
, 0);
2581 extern Lisp_Object save_excursion_save
P_ ((void));
2582 extern Lisp_Object save_restriction_save
P_ ((void));
2583 extern Lisp_Object save_excursion_restore
P_ ((Lisp_Object
));
2584 extern Lisp_Object save_restriction_restore
P_ ((Lisp_Object
));
2585 EXFUN (Fchar_to_string
, 1);
2586 EXFUN (Fdelete_region
, 2);
2587 EXFUN (Fnarrow_to_region
, 2);
2589 EXFUN (Fuser_login_name
, 1);
2590 EXFUN (Fsystem_name
, 0);
2591 EXFUN (Fcurrent_time
, 0);
2592 extern int clip_to_bounds
P_ ((int, int, int));
2593 extern Lisp_Object make_buffer_string
P_ ((int, int, int));
2594 extern Lisp_Object make_buffer_string_both
P_ ((int, int, int, int, int));
2595 extern void init_editfns
P_ ((void));
2596 extern void syms_of_editfns
P_ ((void));
2597 EXFUN (Fcurrent_message
, 0);
2598 extern Lisp_Object Vinhibit_field_text_motion
;
2599 EXFUN (Fconstrain_to_field
, 5);
2600 EXFUN (Ffield_string
, 1);
2601 EXFUN (Fdelete_field
, 1);
2602 EXFUN (Ffield_beginning
, 3);
2603 EXFUN (Ffield_end
, 3);
2604 EXFUN (Ffield_string_no_properties
, 1);
2605 extern void set_time_zone_rule
P_ ((char *));
2607 /* defined in buffer.c */
2608 extern int mouse_face_overlay_overlaps
P_ ((Lisp_Object
));
2609 extern void nsberror
P_ ((Lisp_Object
));
2610 extern char *no_switch_window
P_ ((Lisp_Object window
));
2611 EXFUN (Fset_buffer_multibyte
, 2);
2612 EXFUN (Foverlay_start
, 1);
2613 EXFUN (Foverlay_end
, 1);
2614 extern void adjust_overlays_for_insert
P_ ((int, int));
2615 extern void adjust_overlays_for_delete
P_ ((int, int));
2616 extern void fix_overlays_in_range
P_ ((int, int));
2617 extern void report_overlay_modification
P_ ((Lisp_Object
, Lisp_Object
, int,
2618 Lisp_Object
, Lisp_Object
, Lisp_Object
));
2619 extern int overlay_touches_p
P_ ((int));
2620 extern Lisp_Object Vbuffer_alist
, Vinhibit_read_only
;
2621 EXFUN (Fget_buffer
, 1);
2622 EXFUN (Fget_buffer_create
, 1);
2623 EXFUN (Fset_buffer
, 1);
2624 EXFUN (set_buffer_if_live
, 1);
2625 EXFUN (Fbarf_if_buffer_read_only
, 0);
2626 EXFUN (Fcurrent_buffer
, 0);
2627 EXFUN (Fswitch_to_buffer
, 2);
2628 EXFUN (Fpop_to_buffer
, 3);
2629 EXFUN (Fother_buffer
, 3);
2630 EXFUN (Foverlay_get
, 2);
2631 EXFUN (Fbuffer_modified_p
, 1);
2632 EXFUN (Fset_buffer_modified_p
, 1);
2633 EXFUN (Fkill_buffer
, 1);
2634 EXFUN (Fkill_all_local_variables
, 0);
2635 EXFUN (Fbuffer_disable_undo
, 1);
2636 EXFUN (Fbuffer_enable_undo
, 1);
2637 EXFUN (Ferase_buffer
, 0);
2638 extern Lisp_Object Qoverlayp
;
2639 extern Lisp_Object get_truename_buffer
P_ ((Lisp_Object
));
2640 extern struct buffer
*all_buffers
;
2641 EXFUN (Fprevious_overlay_change
, 1);
2642 EXFUN (Fbuffer_file_name
, 1);
2643 extern void init_buffer_once
P_ ((void));
2644 extern void init_buffer
P_ ((void));
2645 extern void syms_of_buffer
P_ ((void));
2646 extern void keys_of_buffer
P_ ((void));
2648 /* defined in marker.c */
2650 EXFUN (Fmarker_position
, 1);
2651 EXFUN (Fmarker_buffer
, 1);
2652 EXFUN (Fcopy_marker
, 2);
2653 EXFUN (Fset_marker
, 3);
2654 extern int marker_position
P_ ((Lisp_Object
));
2655 extern int marker_byte_position
P_ ((Lisp_Object
));
2656 extern void clear_charpos_cache
P_ ((struct buffer
*));
2657 extern int charpos_to_bytepos
P_ ((int));
2658 extern int buf_charpos_to_bytepos
P_ ((struct buffer
*, int));
2659 extern int buf_bytepos_to_charpos
P_ ((struct buffer
*, int));
2660 extern void unchain_marker
P_ ((Lisp_Object
));
2661 extern Lisp_Object set_marker_restricted
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
));
2662 extern Lisp_Object set_marker_both
P_ ((Lisp_Object
, Lisp_Object
, int, int));
2663 extern Lisp_Object set_marker_restricted_both
P_ ((Lisp_Object
, Lisp_Object
,
2665 extern void syms_of_marker
P_ ((void));
2667 /* Defined in fileio.c */
2669 extern Lisp_Object Qfile_error
;
2670 EXFUN (Ffind_file_name_handler
, 2);
2671 EXFUN (Ffile_name_as_directory
, 1);
2672 EXFUN (Fmake_temp_name
, 1);
2673 EXFUN (Fexpand_file_name
, 2);
2674 EXFUN (Ffile_name_nondirectory
, 1);
2675 EXFUN (Fsubstitute_in_file_name
, 1);
2676 EXFUN (Ffile_symlink_p
, 1);
2677 EXFUN (Fverify_visited_file_modtime
, 1);
2678 EXFUN (Ffile_exists_p
, 1);
2679 EXFUN (Ffile_name_absolute_p
, 1);
2680 EXFUN (Fdirectory_file_name
, 1);
2681 EXFUN (Ffile_name_directory
, 1);
2682 extern Lisp_Object expand_and_dir_to_file
P_ ((Lisp_Object
, Lisp_Object
));
2683 EXFUN (Ffile_accessible_directory_p
, 1);
2684 EXFUN (Funhandled_file_name_directory
, 1);
2685 EXFUN (Ffile_directory_p
, 1);
2686 EXFUN (Fwrite_region
, 7);
2687 EXFUN (Ffile_readable_p
, 1);
2688 EXFUN (Ffile_executable_p
, 1);
2689 EXFUN (Fread_file_name
, 5);
2690 extern Lisp_Object close_file_unwind
P_ ((Lisp_Object
));
2691 extern void report_file_error
P_ ((char *, Lisp_Object
));
2692 extern int internal_delete_file
P_ ((Lisp_Object
));
2693 extern void syms_of_fileio
P_ ((void));
2694 EXFUN (Fmake_temp_name
, 1);
2695 extern void init_fileio_once
P_ ((void));
2696 extern Lisp_Object make_temp_name
P_ ((Lisp_Object
, int));
2698 /* Defined in abbrev.c */
2700 extern Lisp_Object Vfundamental_mode_abbrev_table
;
2701 extern void syms_of_abbrev
P_ ((void));
2703 /* defined in search.c */
2704 extern void shrink_regexp_cache
P_ ((void));
2705 EXFUN (Fstring_match
, 3);
2706 extern void restore_match_data
P_ ((void));
2707 EXFUN (Fmatch_data
, 2);
2708 EXFUN (Fset_match_data
, 1);
2709 EXFUN (Fmatch_beginning
, 1);
2710 EXFUN (Fmatch_end
, 1);
2711 EXFUN (Flooking_at
, 1);
2712 extern int fast_string_match
P_ ((Lisp_Object
, Lisp_Object
));
2713 extern int fast_c_string_match_ignore_case
P_ ((Lisp_Object
, char *));
2714 extern int scan_buffer
P_ ((int, int, int, int, int *, int));
2715 extern int scan_newline
P_ ((int, int, int, int, int, int));
2716 extern int find_next_newline
P_ ((int, int));
2717 extern int find_next_newline_no_quit
P_ ((int, int));
2718 extern int find_before_next_newline
P_ ((int, int, int));
2719 extern void syms_of_search
P_ ((void));
2721 /* defined in minibuf.c */
2723 extern Lisp_Object last_minibuf_string
;
2724 extern void choose_minibuf_frame
P_ ((void));
2725 EXFUN (Fcompleting_read
, 8);
2726 EXFUN (Fread_from_minibuffer
, 7);
2727 EXFUN (Fread_variable
, 2);
2728 EXFUN (Fread_buffer
, 3);
2729 EXFUN (Fread_minibuffer
, 2);
2730 EXFUN (Feval_minibuffer
, 2);
2731 EXFUN (Fread_string
, 5);
2732 EXFUN (Fread_no_blanks_input
, 3);
2733 extern Lisp_Object get_minibuffer
P_ ((int));
2734 extern void temp_echo_area_glyphs
P_ ((char *));
2735 extern void init_minibuf_once
P_ ((void));
2736 extern void syms_of_minibuf
P_ ((void));
2737 extern void keys_of_minibuf
P_ ((void));
2739 /* Defined in callint.c */
2741 extern Lisp_Object Qminus
, Qplus
, Vcurrent_prefix_arg
;
2742 extern Lisp_Object Vcommand_history
;
2743 extern Lisp_Object Qcall_interactively
, Qmouse_leave_buffer_hook
;
2744 EXFUN (Fcall_interactively
, 3);
2745 EXFUN (Fprefix_numeric_value
, 1);
2746 extern void syms_of_callint
P_ ((void));
2748 /* defined in casefiddle.c */
2750 EXFUN (Fdowncase
, 1);
2752 EXFUN (Fcapitalize
, 1);
2753 EXFUN (Fupcase_region
, 2);
2754 EXFUN (Fupcase_initials
, 1);
2755 EXFUN (Fupcase_initials_region
, 2);
2756 extern void syms_of_casefiddle
P_ ((void));
2757 extern void keys_of_casefiddle
P_ ((void));
2759 /* defined in casetab.c */
2761 EXFUN (Fset_case_table
, 1);
2762 EXFUN (Fset_standard_case_table
, 1);
2763 extern void init_casetab_once
P_ ((void));
2764 extern void syms_of_casetab
P_ ((void));
2766 /* defined in keyboard.c */
2769 extern Lisp_Object echo_message_buffer
;
2770 extern struct kboard
*echo_kboard
;
2771 extern void cancel_echoing
P_ ((void));
2772 extern Lisp_Object Qdisabled
, QCfilter
;
2773 extern Lisp_Object Vtty_erase_char
, Vhelp_form
, Vtop_level
;
2774 extern int input_pending
;
2775 EXFUN (Fdiscard_input
, 0);
2776 EXFUN (Frecursive_edit
, 0);
2777 EXFUN (Ftop_level
, 0);
2778 EXFUN (Fcommand_execute
, 4);
2779 EXFUN (Finput_pending_p
, 0);
2780 extern Lisp_Object menu_bar_items
P_ ((Lisp_Object
));
2781 extern Lisp_Object tool_bar_items
P_ ((Lisp_Object
, int *));
2782 extern Lisp_Object Qvertical_scroll_bar
;
2783 extern void discard_mouse_events
P_ ((void));
2784 EXFUN (Fevent_convert_list
, 1);
2785 EXFUN (Fread_key_sequence
, 5);
2786 EXFUN (Fset_input_mode
, 4);
2787 extern int detect_input_pending
P_ ((void));
2788 extern int detect_input_pending_run_timers
P_ ((int));
2789 extern void safe_run_hooks
P_ ((Lisp_Object
));
2790 extern void cmd_error_internal
P_ ((Lisp_Object
, char *));
2791 extern Lisp_Object command_loop_1
P_ ((void));
2792 extern Lisp_Object recursive_edit_1
P_ ((void));
2793 extern void record_auto_save
P_ ((void));
2794 extern void init_keyboard
P_ ((void));
2795 extern void syms_of_keyboard
P_ ((void));
2796 extern void keys_of_keyboard
P_ ((void));
2797 extern char *push_key_description
P_ ((unsigned int, char *, int));
2800 /* defined in indent.c */
2801 EXFUN (Fvertical_motion
, 2);
2802 EXFUN (Findent_to
, 2);
2803 EXFUN (Fcurrent_column
, 0);
2804 EXFUN (Fmove_to_column
, 2);
2805 extern int current_column
P_ ((void));
2806 extern void invalidate_current_column
P_ ((void));
2807 extern int indented_beyond_p
P_ ((int, int, int));
2808 extern void syms_of_indent
P_ ((void));
2810 /* defined in window.c */
2811 extern Lisp_Object Qwindowp
, Qwindow_live_p
;
2812 extern Lisp_Object Vwindow_list
;
2813 EXFUN (Fwindow_end
, 2);
2814 EXFUN (Fselected_window
, 0);
2815 EXFUN (Fnext_window
, 3);
2816 EXFUN (Fdelete_window
, 1);
2817 EXFUN (Fselect_window
, 1);
2818 EXFUN (Fset_window_buffer
, 2);
2819 EXFUN (Fwindow_buffer
, 1);
2820 EXFUN (Fget_buffer_window
, 2);
2821 EXFUN (Fsave_window_excursion
, UNEVALLED
);
2822 EXFUN (Fsplit_window
, 3);
2823 EXFUN (Fset_window_configuration
, 1);
2824 EXFUN (Fcurrent_window_configuration
, 1);
2825 extern int compare_window_configurations
P_ ((Lisp_Object
, Lisp_Object
, int));
2826 EXFUN (Fcoordinates_in_window_p
, 2);
2827 EXFUN (Fwindow_at
, 3);
2828 EXFUN (Fpos_visible_in_window_p
, 3);
2829 extern void mark_window_cursors_off
P_ ((struct window
*));
2830 extern int window_internal_height
P_ ((struct window
*));
2831 extern int window_internal_width
P_ ((struct window
*));
2832 EXFUN (Frecenter
, 1);
2833 EXFUN (Fscroll_other_window
, 1);
2834 EXFUN (Fset_window_start
, 3);
2835 extern void temp_output_buffer_show
P_ ((Lisp_Object
));
2836 extern void replace_buffer_in_all_windows
P_ ((Lisp_Object
));
2837 extern void init_window_once
P_ ((void));
2838 extern void init_window
P_ ((void));
2839 extern void syms_of_window
P_ ((void));
2840 extern void keys_of_window
P_ ((void));
2842 /* defined in frame.c */
2843 extern Lisp_Object Qvisible
;
2844 extern void store_frame_param
P_ ((struct frame
*, Lisp_Object
, Lisp_Object
));
2845 extern void store_in_alist
P_ ((Lisp_Object
*, Lisp_Object
, Lisp_Object
));
2846 extern Lisp_Object do_switch_frame
P_ ((Lisp_Object
, int, int));
2847 extern Lisp_Object get_frame_param
P_ ((struct frame
*, Lisp_Object
));
2848 extern Lisp_Object frame_buffer_predicate
P_ ((Lisp_Object
));
2850 EXFUN (Fselect_frame
, 2);
2851 EXFUN (Fselected_frame
, 0);
2852 EXFUN (Fwindow_frame
, 1);
2853 EXFUN (Fframe_root_window
, 1);
2854 EXFUN (Fframe_first_window
, 1);
2855 EXFUN (Fframe_selected_window
, 1);
2856 EXFUN (Fframe_list
, 0);
2857 EXFUN (Fnext_frame
, 2);
2858 EXFUN (Fdelete_frame
, 2);
2859 EXFUN (Fset_mouse_position
, 3);
2860 EXFUN (Fmake_frame_visible
, 1);
2861 EXFUN (Fmake_frame_invisible
, 2);
2862 EXFUN (Ficonify_frame
, 1);
2863 EXFUN (Fframe_visible_p
, 1);
2864 EXFUN (Fvisible_frame_list
, 0);
2865 EXFUN (Fframe_parameter
, 2);
2866 EXFUN (Fframe_parameters
, 1);
2867 EXFUN (Fmodify_frame_parameters
, 2);
2868 EXFUN (Fset_frame_height
, 3);
2869 EXFUN (Fset_frame_width
, 3);
2870 EXFUN (Fset_frame_size
, 3);
2871 EXFUN (Fset_frame_position
, 3);
2872 EXFUN (Fraise_frame
, 1);
2873 EXFUN (Fredirect_frame_focus
, 2);
2874 EXFUN (Fset_frame_selected_window
, 2);
2875 extern Lisp_Object frame_buffer_list
P_ ((Lisp_Object
));
2876 extern void frames_discard_buffer
P_ ((Lisp_Object
));
2877 extern void set_frame_buffer_list
P_ ((Lisp_Object
, Lisp_Object
));
2878 extern void frames_bury_buffer
P_ ((Lisp_Object
));
2879 extern void syms_of_frame
P_ ((void));
2881 /* defined in emacs.c */
2882 extern Lisp_Object decode_env_path
P_ ((char *, char *));
2883 extern Lisp_Object Vinvocation_name
, Vinvocation_directory
;
2884 extern Lisp_Object Vinstallation_directory
, empty_string
;
2885 EXFUN (Fkill_emacs
, 1);
2887 void fixup_locale
P_ ((void));
2888 void synchronize_system_messages_locale
P_ ((void));
2889 void synchronize_system_time_locale
P_ ((void));
2891 #define setlocale(category, locale)
2892 #define fixup_locale()
2893 #define synchronize_system_messages_locale()
2894 #define synchronize_system_time_locale()
2896 void shut_down_emacs
P_ ((int, int, Lisp_Object
));
2897 /* Nonzero means don't do interactive redisplay and don't change tty modes */
2898 extern int noninteractive
;
2899 /* Nonzero means don't do use window-system-specific display code */
2900 extern int inhibit_window_system
;
2901 /* Nonzero means that a filter or a sentinel is running. */
2902 extern int running_asynch_code
;
2904 /* defined in process.c */
2905 EXFUN (Fget_process
, 1);
2906 EXFUN (Fget_buffer_process
, 1);
2907 EXFUN (Fprocessp
, 1);
2908 EXFUN (Fprocess_status
, 1);
2909 EXFUN (Fkill_process
, 2);
2910 EXFUN (Fprocess_send_eof
, 1);
2911 EXFUN (Fwaiting_for_user_input_p
, 0);
2912 extern Lisp_Object Qprocessp
;
2913 extern void kill_buffer_processes
P_ ((Lisp_Object
));
2914 extern int wait_reading_process_input
P_ ((int, int, Lisp_Object
, int));
2915 extern void deactivate_process
P_ ((Lisp_Object
));
2916 extern void add_keyboard_wait_descriptor
P_ ((int));
2917 extern void delete_keyboard_wait_descriptor
P_ ((int));
2918 extern void close_process_descs
P_ ((void));
2919 extern void status_notify
P_ ((void));
2920 extern int read_process_output
P_ ((Lisp_Object
, int));
2921 extern void init_process
P_ ((void));
2922 extern void syms_of_process
P_ ((void));
2924 /* defined in callproc.c */
2925 extern Lisp_Object Vexec_path
, Vexec_suffixes
,
2926 Vexec_directory
, Vdata_directory
;
2927 extern Lisp_Object Vdoc_directory
;
2928 EXFUN (Fcall_process
, MANY
);
2929 extern int child_setup
P_ ((int, int, int, char **, int, Lisp_Object
));
2930 extern void init_callproc_1
P_ ((void));
2931 extern void init_callproc
P_ ((void));
2932 extern void set_process_environment
P_ ((void));
2933 extern void syms_of_callproc
P_ ((void));
2935 /* defined in doc.c */
2936 extern Lisp_Object Vdoc_file_name
;
2937 EXFUN (Fsubstitute_command_keys
, 1);
2938 EXFUN (Fdocumentation
, 2);
2939 EXFUN (Fdocumentation_property
, 3);
2940 extern Lisp_Object read_doc_string
P_ ((Lisp_Object
));
2941 extern Lisp_Object get_doc_string
P_ ((Lisp_Object
, int, int));
2942 extern void syms_of_doc
P_ ((void));
2943 extern int read_bytecode_char
P_ ((int));
2945 /* defined in bytecode.c */
2946 extern Lisp_Object Qbytecode
;
2947 EXFUN (Fbyte_code
, 3);
2948 extern void syms_of_bytecode
P_ ((void));
2949 extern struct byte_stack
*byte_stack_list
;
2950 extern void mark_byte_stack
P_ ((void));
2951 extern void unmark_byte_stack
P_ ((void));
2953 /* defined in macros.c */
2954 extern Lisp_Object Qexecute_kbd_macro
;
2955 EXFUN (Fexecute_kbd_macro
, 2);
2956 extern void init_macros
P_ ((void));
2957 extern void syms_of_macros
P_ ((void));
2959 /* defined in undo.c */
2960 extern Lisp_Object Qinhibit_read_only
;
2961 EXFUN (Fundo_boundary
, 0);
2962 extern Lisp_Object truncate_undo_list
P_ ((Lisp_Object
, int, int));
2963 extern void record_marker_adjustment
P_ ((Lisp_Object
, int));
2964 extern void record_insert
P_ ((int, int));
2965 extern void record_delete
P_ ((int, Lisp_Object
));
2966 extern void record_first_change
P_ ((void));
2967 extern void record_change
P_ ((int, int));
2968 extern void record_property_change
P_ ((int, int, Lisp_Object
, Lisp_Object
,
2970 extern void syms_of_undo
P_ ((void));
2972 /* defined in textprop.c */
2973 extern Lisp_Object Qmodification_hooks
;
2974 extern Lisp_Object Qrear_nonsticky
, Qfont
, Qmouse_face
;
2975 extern Lisp_Object Qinsert_in_front_hooks
, Qinsert_behind_hooks
;
2976 EXFUN (Fnext_property_change
, 3);
2977 EXFUN (Fnext_single_property_change
, 4);
2978 EXFUN (Fnext_single_char_property_change
, 4);
2979 EXFUN (Fprevious_single_property_change
, 4);
2980 EXFUN (Fget_text_property
, 3);
2981 EXFUN (Fput_text_property
, 5);
2982 EXFUN (Fset_text_properties
, 4);
2983 EXFUN (Ftext_property_not_all
, 5);
2984 EXFUN (Fprevious_char_property_change
, 2);
2985 EXFUN (Fnext_char_property_change
, 2);
2986 extern void report_interval_modification
P_ ((Lisp_Object
, Lisp_Object
));
2987 extern void syms_of_textprop
P_ ((void));
2988 extern Lisp_Object next_single_char_property_change
P_ ((Lisp_Object
,
2992 extern Lisp_Object set_text_properties
P_ ((Lisp_Object
, Lisp_Object
,
2993 Lisp_Object
, Lisp_Object
,
2996 /* defined in xmenu.c */
2997 EXFUN (Fx_popup_menu
, 2);
2998 EXFUN (Fx_popup_dialog
, 2);
2999 extern void syms_of_xmenu
P_ ((void));
3000 extern int popup_activated_flag
;
3002 /* defined in sysdep.c */
3003 extern void stuff_char
P_ ((char c
));
3004 extern void init_sigio
P_ ((int));
3005 extern void request_sigio
P_ ((void));
3006 extern void unrequest_sigio
P_ ((void));
3007 extern void reset_sys_modes
P_ ((void));
3008 extern void sys_subshell
P_ ((void));
3009 extern void sys_suspend
P_ ((void));
3010 extern void discard_tty_input
P_ ((void));
3011 extern void init_sys_modes
P_ ((void));
3012 extern void reset_sys_modes
P_ ((void));
3013 extern void get_frame_size
P_ ((int *, int *));
3014 extern void wait_for_termination
P_ ((int));
3015 extern void flush_pending_output
P_ ((int));
3016 extern void child_setup_tty
P_ ((int));
3017 extern void setup_pty
P_ ((int));
3018 extern int set_window_size
P_ ((int, int, int));
3019 extern void create_process
P_ ((Lisp_Object
, char **, Lisp_Object
));
3020 extern int tabs_safe_p
P_ ((void));
3021 extern void init_baud_rate
P_ ((void));
3022 extern int emacs_open
P_ ((char *, int, int));
3023 extern int emacs_close
P_ ((int));
3024 extern int emacs_read
P_ ((int, char *, unsigned int));
3025 extern int emacs_write
P_ ((int, char *, unsigned int));
3027 /* defined in filelock.c */
3028 EXFUN (Funlock_buffer
, 0);
3029 EXFUN (Ffile_locked_p
, 1);
3030 extern void unlock_all_files
P_ ((void));
3031 extern void lock_file
P_ ((Lisp_Object
));
3032 extern void unlock_file
P_ ((Lisp_Object
));
3033 extern void unlock_buffer
P_ ((struct buffer
*));
3034 extern void syms_of_filelock
P_ ((void));
3035 extern void init_filelock
P_ ((void));
3037 /* Defined in sound.c */
3038 extern void syms_of_sound
P_ ((void));
3039 extern void init_sound
P_ ((void));
3041 /* Defined in category.c */
3042 extern void init_category_once
P_ ((void));
3043 extern Lisp_Object char_category_set
P_ ((int));
3044 extern void syms_of_category
P_ ((void));
3046 /* Defined in ccl.c */
3047 extern void syms_of_ccl
P_ ((void));
3049 /* Defined in dired.c */
3050 EXFUN (Ffile_attributes
, 1);
3051 extern void syms_of_dired
P_ ((void));
3053 /* Defined in term.c */
3054 extern void syms_of_term
P_ ((void));
3055 extern void fatal () NO_RETURN
;
3057 #ifdef HAVE_X_WINDOWS
3058 /* Defined in fontset.c */
3059 extern void syms_of_fontset
P_ ((void));
3060 EXFUN (Fset_fontset_font
, 5);
3061 EXFUN (Fnew_fontset
, 2);
3064 /* Defined in xfaces.c */
3065 extern void syms_of_xfaces
P_ ((void));
3067 /* Defined in getloadavg.c */
3068 extern int getloadavg
P_ ((double *, int));
3070 #ifdef HAVE_X_WINDOWS
3071 /* Defined in xfns.c */
3072 extern void syms_of_xfns
P_ ((void));
3073 extern void init_xfns
P_ ((void));
3074 extern Lisp_Object Vx_resource_name
;
3075 EXFUN (Fxw_display_color_p
, 1);
3076 EXFUN (Fx_file_dialog
, 4);
3077 #endif /* HAVE_X_WINDOWS */
3079 /* Defined in xselect.c */
3080 extern void syms_of_xselect
P_ ((void));
3082 /* Defined in xterm.c */
3083 extern void syms_of_xterm
P_ ((void));
3085 /* Defined in getloadavg.c */
3086 extern int getloadavg
P_ ((double [], int));
3088 /* Nonzero means Emacs has already been initialized.
3089 Used during startup to detect startup of dumped Emacs. */
3090 extern int initialized
;
3092 extern int immediate_quit
; /* Nonzero means ^G can quit instantly */
3094 extern POINTER_TYPE
*xmalloc
P_ ((size_t));
3095 extern POINTER_TYPE
*xrealloc
P_ ((POINTER_TYPE
*, size_t));
3096 extern void xfree
P_ ((POINTER_TYPE
*));
3098 extern char *xstrdup
P_ ((char *));
3101 extern char *egetenv
P_ ((char *));
3104 /* Set up the name of the machine we're running on. */
3105 extern void init_system_name
P_ ((void));
3107 /* Some systems (e.g., NT) use a different path separator than Unix,
3108 in addition to a device separator. Default the path separator
3109 to '/', and don't test for a device separator in IS_ANY_SEP. */
3112 extern Lisp_Object Vdirectory_sep_char
;
3115 #ifndef DIRECTORY_SEP
3116 #define DIRECTORY_SEP '/'
3118 #ifndef IS_DIRECTORY_SEP
3119 #define IS_DIRECTORY_SEP(_c_) ((_c_) == DIRECTORY_SEP)
3121 #ifndef IS_DEVICE_SEP
3123 #define IS_DEVICE_SEP(_c_) 0
3125 #define IS_DEVICE_SEP(_c_) ((_c_) == DEVICE_SEP)
3129 #define IS_ANY_SEP(_c_) (IS_DIRECTORY_SEP (_c_))
3132 #ifdef SWITCH_ENUM_BUG
3133 #define SWITCH_ENUM_CAST(x) ((int)(x))
3135 #define SWITCH_ENUM_CAST(x) (x)
3138 /* Loop over Lisp list LIST. Signal an error if LIST is not a proper
3139 list, or if it contains circles.
3141 HARE and TORTOISE should be the names of Lisp_Object variables, and
3142 N should be the name of an EMACS_INT variable declared in the
3143 function where the macro is used. Each nested loop should use
3146 In the loop body, HARE is set to each cons of LIST, and N is the
3147 length of the list processed so far. */
3149 #define LIST_END_P(list, obj) \
3154 : (wrong_type_argument (Qlistp, (list))), 1))
3156 #define FOREACH(hare, list, tortoise, n) \
3157 for (tortoise = hare = (list), n = 0; \
3158 !LIST_END_P (list, hare); \
3159 (hare = XCDR (hare), ++n, \
3161 ? (tortoise = XCDR (tortoise), \
3162 (EQ (hare, tortoise) \
3163 && (circular_list_error ((list)), 1))) \
3166 /* The ubiquitous min and max macros. */
3172 #define min(a, b) ((a) < (b) ? (a) : (b))
3173 #define max(a, b) ((a) > (b) ? (a) : (b))
3175 /* Return a fixnum or float, depending on whether VAL fits in a Lisp
3178 #define make_fixnum_or_float(val) \
3179 (FIXNUM_OVERFLOW_P (val) \
3180 ? make_float (val) \
3181 : make_number ((EMACS_INT)(val)))