1 /* Fundamental definitions for GNU Emacs Lisp interpreter.
2 Copyright (C) 1985,86,87,93,94,95,97,98,1999,2000, 2001, 2002
3 Free Software Foundation, Inc.
5 This file is part of GNU Emacs.
7 GNU Emacs is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2, or (at your option)
12 GNU Emacs is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with GNU Emacs; see the file COPYING. If not, write to
19 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
20 Boston, MA 02111-1307, USA. */
22 /* Declare the prototype for a general external function. */
23 #if defined (PROTOTYPES) || defined (WINDOWSNT)
24 #define P_(proto) proto
30 /* Define this temporarily to hunt a bug. If defined, the size of
31 strings is redundantly recorded in sdata structures so that it can
32 be compared to the sizes recorded in Lisp strings. */
34 #define GC_CHECK_STRING_BYTES 1
38 /* These are default choices for the types to use. */
41 #define EMACS_INT long
42 #define BITS_PER_EMACS_INT BITS_PER_LONG
45 #define EMACS_UINT unsigned long
50 #define BITS_PER_EMACS_INT BITS_PER_INT
53 #define EMACS_UINT unsigned int
57 /* Extra internal type checking? */
58 extern int suppress_checking
;
59 extern void die
P_((const char *, const char *, int));
61 #ifdef ENABLE_CHECKING
63 #define CHECK(check,msg) ((check || suppress_checking \
65 : die (msg, __FILE__, __LINE__)), \
68 /* Let's get some compile-time checking too. */
73 /* Produce same side effects and result, but don't complain. */
74 #define CHECK(check,msg) ((check),0)
78 /* Used for making sure that Emacs is compilable in all
81 #ifdef USE_LISP_UNION_TYPE
85 /* Define an Emacs version of "assert", since some system ones are
87 #ifndef ENABLE_CHECKING
88 #define eassert(X) (void) 0
89 #else /* ENABLE_CHECKING */
90 #if defined (__GNUC__) && __GNUC__ >= 2 && defined (__STDC__)
91 #define eassert(cond) CHECK(cond,"assertion failed: " #cond)
93 #define eassert(cond) CHECK(cond,"assertion failed")
95 #endif /* ENABLE_CHECKING */
97 /* Define the fundamental Lisp data structures. */
99 /* This is the set of Lisp data types. */
103 /* Integer. XINT (obj) is the integer value. */
106 /* Symbol. XSYMBOL (object) points to a struct Lisp_Symbol. */
109 /* Miscellaneous. XMISC (object) points to a union Lisp_Misc,
110 whose first member indicates the subtype. */
113 /* String. XSTRING (object) points to a struct Lisp_String.
114 The length of the string, and its contents, are stored therein. */
117 /* Vector of Lisp objects, or something resembling it.
118 XVECTOR (object) points to a struct Lisp_Vector, which contains
119 the size and contents. The size field also contains the type
120 information, if it's not a real vector object. */
123 /* Cons. XCONS (object) points to a struct Lisp_Cons. */
128 /* This is not a type code. It is for range checking. */
132 /* This is the set of data types that share a common structure.
133 The first member of the structure is a type code from this set.
134 The enum values are arbitrary, but we'll use large numbers to make it
135 more likely that we'll spot the error if a random word in memory is
136 mistakenly interpreted as a Lisp_Misc. */
139 Lisp_Misc_Free
= 0x5eab,
144 Lisp_Misc_Buffer_Objfwd
,
145 Lisp_Misc_Buffer_Local_Value
,
146 Lisp_Misc_Some_Buffer_Local_Value
,
148 Lisp_Misc_Kboard_Objfwd
,
149 /* Currently floats are not a misc type,
150 but let's define this in case we want to change that. */
152 /* This is not a type code. It is for range checking. */
156 /* These values are overridden by the m- file on some machines. */
158 #define VALBITS (BITS_PER_EMACS_INT - 4)
165 #ifndef NO_UNION_TYPE
167 #ifndef WORDS_BIG_ENDIAN
169 /* Definition of Lisp_Object for little-endian machines. */
174 /* Used for comparing two Lisp_Objects;
175 also, positive integers can be accessed fast this way. */
180 EMACS_INT val
: VALBITS
;
181 EMACS_INT type
: GCTYPEBITS
+ 1;
185 EMACS_UINT val
: VALBITS
;
186 EMACS_INT type
: GCTYPEBITS
+ 1;
190 EMACS_UINT val
: VALBITS
;
191 enum Lisp_Type type
: GCTYPEBITS
;
192 /* The markbit is not really part of the value of a Lisp_Object,
193 and is always zero except during garbage collection. */
194 EMACS_UINT markbit
: 1;
199 #else /* If WORDS_BIG_ENDIAN */
204 /* Used for comparing two Lisp_Objects;
205 also, positive integers can be accessed fast this way. */
210 EMACS_INT type
: GCTYPEBITS
+1;
211 EMACS_INT val
: VALBITS
;
215 EMACS_INT type
: GCTYPEBITS
+1;
216 EMACS_UINT val
: VALBITS
;
220 /* The markbit is not really part of the value of a Lisp_Object,
221 and is always zero except during garbage collection. */
222 EMACS_UINT markbit
: 1;
223 enum Lisp_Type type
: GCTYPEBITS
;
224 EMACS_UINT val
: VALBITS
;
229 #endif /* WORDS_BIG_ENDIAN */
232 static __inline__ Lisp_Object
233 LISP_MAKE_RVALUE (Lisp_Object o
)
238 #define LISP_MAKE_RVALUE(o) (o) /* XXX - keeps arg as rvalue. */
241 #endif /* NO_UNION_TYPE */
244 /* If union type is not wanted, define Lisp_Object as just a number. */
247 #define Lisp_Object EMACS_INT
248 #define LISP_MAKE_RVALUE(o) (0+(o))
249 #endif /* NO_UNION_TYPE */
252 #define VALMASK ((((EMACS_INT) 1)<<VALBITS) - 1)
254 #define GCTYPEMASK ((((EMACS_INT) 1)<<GCTYPEBITS) - 1)
256 /* Two flags that are set during GC. On some machines, these flags
257 are defined differently by the m- file. */
259 /* This is set in the car of a cons and in the plist slot of a symbol
260 to indicate it is marked. Likewise in the plist slot of an interval,
261 the chain slot of a marker, the type slot of a float, and the name
264 In strings, this bit in the size field indicates that the string
265 is a "large" one, one which was separately malloc'd
266 rather than being part of a string block. */
269 #define MARKBIT ((EMACS_INT) ((EMACS_UINT) 1 << (VALBITS + GCTYPEBITS)))
272 /* In the size word of a vector, this bit means the vector has been marked.
273 In the size word of a large string, likewise. */
275 #ifndef ARRAY_MARK_FLAG
276 #define ARRAY_MARK_FLAG ((MARKBIT >> 1) & ~MARKBIT)
277 #endif /* no ARRAY_MARK_FLAG */
279 /* In the size word of a struct Lisp_Vector, this bit means it's really
280 some other vector-like object. */
281 #ifndef PSEUDOVECTOR_FLAG
282 #define PSEUDOVECTOR_FLAG ((ARRAY_MARK_FLAG >> 1) & ~ARRAY_MARK_FLAG)
285 /* In a pseudovector, the size field actually contains a word with one
286 PSEUDOVECTOR_FLAG bit set, and exactly one of the following bits to
287 indicate the actual type. */
290 PVEC_NORMAL_VECTOR
= 0,
291 PVEC_PROCESS
= 0x200,
293 PVEC_COMPILED
= 0x800,
294 PVEC_WINDOW
= 0x1000,
295 PVEC_WINDOW_CONFIGURATION
= 0x2000,
297 PVEC_CHAR_TABLE
= 0x8000,
298 PVEC_BOOL_VECTOR
= 0x10000,
299 PVEC_BUFFER
= 0x20000,
300 PVEC_HASH_TABLE
= 0x40000,
301 PVEC_TYPE_MASK
= 0x7fe00
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 XBOOL_VECTOR(a) ((struct Lisp_Bool_Vector *) XPNTR(a))
504 /* Construct a Lisp_Object from a value or address. */
506 #define XSETINT(a, b) XSET (a, Lisp_Int, b)
507 #define XSETCONS(a, b) XSET (a, Lisp_Cons, b)
508 #define XSETVECTOR(a, b) XSET (a, Lisp_Vectorlike, b)
509 #define XSETSTRING(a, b) XSET (a, Lisp_String, b)
510 #define XSETSYMBOL(a, b) XSET (a, Lisp_Symbol, b)
511 #define XSETFLOAT(a, b) XSET (a, Lisp_Float, b)
515 #define XSETMISC(a, b) XSET (a, Lisp_Misc, b)
516 #define XSETMARKER(a, b) (XSETMISC (a, b), XMISCTYPE (a) = Lisp_Misc_Marker)
518 /* Pseudovector types. */
520 #define XSETPSEUDOVECTOR(a, b, code) \
521 (XSETVECTOR (a, b), XVECTOR (a)->size |= PSEUDOVECTOR_FLAG | (code))
522 #define XSETWINDOW_CONFIGURATION(a, b) \
523 (XSETPSEUDOVECTOR (a, b, PVEC_WINDOW_CONFIGURATION))
524 #define XSETPROCESS(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_PROCESS))
525 #define XSETWINDOW(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_WINDOW))
526 #define XSETSUBR(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_SUBR))
527 #define XSETCOMPILED(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_COMPILED))
528 #define XSETBUFFER(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_BUFFER))
529 #define XSETCHAR_TABLE(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_CHAR_TABLE))
530 #define XSETBOOL_VECTOR(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_BOOL_VECTOR))
532 /* Convenience macros for dealing with Lisp arrays. */
534 #define AREF(ARRAY, IDX) XVECTOR ((ARRAY))->contents[IDX]
535 #define ASET(ARRAY, IDX, VAL) (AREF ((ARRAY), (IDX)) = (VAL))
536 #define ASIZE(ARRAY) XVECTOR ((ARRAY))->size
538 /* Convenience macros for dealing with Lisp strings. */
540 #define SREF(string, index) XSTRING (string)->data[index]
541 #define SDATA(string) XSTRING (string)->data
542 #define SCHARS(string) XSTRING (string)->size
543 #define SBYTES(string) STRING_BYTES (XSTRING (string))
544 #define SMBP(string) STRING_MULTIBYTE (string)
547 /* Basic data type for use of intervals. See the macros in intervals.h. */
551 /* The first group of entries deal with the tree structure. */
553 unsigned int total_length
; /* Length of myself and both children. */
554 unsigned int position
; /* Cache of interval's character position. */
555 /* This field is usually updated
556 simultaneously with an interval
557 traversal, there is no guarantee
558 that it is valid for a random
560 struct interval
*left
; /* Intervals which precede me. */
561 struct interval
*right
; /* Intervals which succeed me. */
563 /* Parent in the tree, or the Lisp_Object containing this interval tree.
565 The mark bit on the root interval of an interval tree says
566 whether we have started (and possibly finished) marking the
567 tree. If GC comes across an interval tree whose root's parent
568 field has its markbit set, it leaves the tree alone.
570 You'd think we could store this information in the parent object
571 somewhere (after all, that should be visited once and then
572 ignored too, right?), but strings are GC'd strangely. */
575 struct interval
*interval
;
578 unsigned int up_obj
: 1;
580 /* The remaining components are `properties' of the interval.
581 The first four are duplicates for things which can be on the list,
582 for purposes of speed. */
584 unsigned int write_protect
: 1; /* Non-zero means can't modify. */
585 unsigned int visible
: 1; /* Zero means don't display. */
586 unsigned int front_sticky
: 1; /* Non-zero means text inserted just
587 before this interval goes into it. */
588 unsigned int rear_sticky
: 1; /* Likewise for just after it. */
590 /* Properties of this interval.
591 The mark bit on this field says whether this particular interval
592 tree node has been visited. Since intervals should never be
593 shared, GC aborts if it seems to have visited an interval twice. */
597 typedef struct interval
*INTERVAL
;
599 /* Complain if object is not string or buffer type */
600 #define CHECK_STRING_OR_BUFFER(x) \
601 { if (!STRINGP ((x)) && !BUFFERP ((x))) \
602 x = wrong_type_argument (Qbuffer_or_string_p, (x)); }
604 /* In a cons, the markbit of the car is the gc mark bit */
608 /* Please do not use the names of these elements in code other
609 than the core lisp implementation. Use XCAR and XCDR below. */
610 #ifdef HIDE_LISP_IMPLEMENTATION
611 Lisp_Object car_
, cdr_
;
613 Lisp_Object car
, cdr
;
617 /* Take the car or cdr of something known to be a cons cell. */
618 /* The _AS_LVALUE macros shouldn't be used outside of the minimal set
619 of code that has to know what a cons cell looks like. Other code not
620 part of the basic lisp implementation should assume that the car and cdr
621 fields are not accessible as lvalues. (What if we want to switch to
622 a copying collector someday? Cached cons cell field addresses may be
623 invalidated at arbitrary points.) */
624 #ifdef HIDE_LISP_IMPLEMENTATION
625 #define XCAR_AS_LVALUE(c) (XCONS ((c))->car_)
626 #define XCDR_AS_LVALUE(c) (XCONS ((c))->cdr_)
628 #define XCAR_AS_LVALUE(c) (XCONS ((c))->car)
629 #define XCDR_AS_LVALUE(c) (XCONS ((c))->cdr)
632 /* Okay, we're not quite ready to turn this on yet. A few files still
633 need to be updated and tested. */
634 #undef LISP_MAKE_RVALUE
635 #define LISP_MAKE_RVALUE(x) (x)
637 /* Use these from normal code. */
638 #define XCAR(c) LISP_MAKE_RVALUE(XCAR_AS_LVALUE(c))
639 #define XCDR(c) LISP_MAKE_RVALUE(XCDR_AS_LVALUE(c))
641 /* Use these to set the fields of a cons cell.
643 Note that both arguments may refer to the same object, so 'n'
644 should not be read after 'c' is first modified. Also, neither
645 argument should be evaluated more than once; side effects are
646 especially common in the second argument. */
647 #define XSETCAR(c,n) (XCAR_AS_LVALUE(c) = (n))
648 #define XSETCDR(c,n) (XCDR_AS_LVALUE(c) = (n))
650 /* For performance: Fast storage of positive integers into the
651 fields of a cons cell. See above caveats. */
652 #define XSETCARFASTINT(c,n) XSETFASTINT(XCAR_AS_LVALUE(c),(n))
653 #define XSETCDRFASTINT(c,n) XSETFASTINT(XCDR_AS_LVALUE(c),(n))
655 /* Take the car or cdr of something whose type is not known. */
657 (CONSP ((c)) ? XCAR ((c)) \
658 : NILP ((c)) ? Qnil \
659 : wrong_type_argument (Qlistp, (c)))
662 (CONSP ((c)) ? XCDR ((c)) \
663 : NILP ((c)) ? Qnil \
664 : wrong_type_argument (Qlistp, (c)))
666 /* Nonzero if STR is a multibyte string. */
667 #define STRING_MULTIBYTE(STR) \
668 (XSTRING (STR)->size_byte >= 0)
670 /* Return the length in bytes of STR. */
672 #ifdef GC_CHECK_STRING_BYTES
675 extern int string_bytes
P_ ((struct Lisp_String
*));
676 #define STRING_BYTES(S) string_bytes ((S))
678 #else /* not GC_CHECK_STRING_BYTES */
680 #define STRING_BYTES(STR) \
681 ((STR)->size_byte < 0 ? (STR)->size : (STR)->size_byte)
683 #endif /* not GC_CHECK_STRING_BYTES */
685 /* Set the length in bytes of STR. */
686 #define SET_STRING_BYTES(STR, SIZE) ((STR)->size_byte = (SIZE))
688 /* In a string or vector, the sign bit of the `size' is the gc mark bit */
694 INTERVAL intervals
; /* text properties in this string */
698 /* If a struct is made to look like a vector, this macro returns the length
699 of the shortest vector that would hold that struct. */
700 #define VECSIZE(type) ((sizeof (type) - (sizeof (struct Lisp_Vector) \
701 - sizeof (Lisp_Object)) \
702 + sizeof(Lisp_Object) - 1) /* round up */ \
703 / sizeof (Lisp_Object))
708 struct Lisp_Vector
*next
;
709 Lisp_Object contents
[1];
712 /* A char table is a kind of vectorlike, with contents are like a
713 vector but with a few other slots. For some purposes, it makes
714 sense to handle a chartable with type struct Lisp_Vector. An
715 element of a char table can be any Lisp objects, but if it is a sub
716 char-table, we treat it a table that contains information of a
717 group of characters of the same charsets or a specific character of
718 a charset. A sub char-table has the same structure as a char table
719 except for that the former omits several slots at the tail. A sub
720 char table appears only in an element of a char table, and there's
721 no way to access it directly from Emacs Lisp program. */
723 /* This is the number of slots that apply to characters or character
724 sets. The first 128 are for ASCII, the next 128 are for 8-bit
725 European characters, and the last 128 are for multibyte characters.
726 The first 256 are indexed by the code itself, but the last 128 are
727 indexed by (charset-id + 128). */
728 #define CHAR_TABLE_ORDINARY_SLOTS 384
730 /* This is the number of slots that apply to characters of ASCII and
731 8-bit Europeans only. */
732 #define CHAR_TABLE_SINGLE_BYTE_SLOTS 256
734 /* This is the number of slots that every char table must have. This
735 counts the ordinary slots and the top, defalt, parent, and purpose
737 #define CHAR_TABLE_STANDARD_SLOTS (CHAR_TABLE_ORDINARY_SLOTS + 4)
739 /* This is the number of slots that apply to position-code-1 and
740 position-code-2 of a multibyte character at the 2nd and 3rd level
741 sub char tables respectively. */
742 #define SUB_CHAR_TABLE_ORDINARY_SLOTS 128
744 /* This is the number of slots that every sub char table must have.
745 This counts the ordinary slots and the top and defalt slot. */
746 #define SUB_CHAR_TABLE_STANDARD_SLOTS (SUB_CHAR_TABLE_ORDINARY_SLOTS + 2)
748 /* Return the number of "extra" slots in the char table CT. */
750 #define CHAR_TABLE_EXTRA_SLOTS(CT) \
751 (((CT)->size & PSEUDOVECTOR_SIZE_MASK) - CHAR_TABLE_STANDARD_SLOTS)
753 /* Almost equivalent to Faref (CT, IDX) with optimization for ASCII
754 and 8-bit Europeans characters. For these characters, do not check
755 validity of CT. Do not follow parent. */
756 #define CHAR_TABLE_REF(CT, IDX) \
757 ((IDX) >= 0 && (IDX) < CHAR_TABLE_SINGLE_BYTE_SLOTS \
758 ? (!NILP (XCHAR_TABLE (CT)->contents[IDX]) \
759 ? XCHAR_TABLE (CT)->contents[IDX] \
760 : XCHAR_TABLE (CT)->defalt) \
761 : Faref (CT, make_number (IDX)))
763 /* Almost equivalent to Faref (CT, IDX) with optimization for ASCII
764 and 8-bit Europeans characters. However, if the result is nil,
767 For these characters, do not check validity of CT
768 and do not follow parent. */
769 #define CHAR_TABLE_TRANSLATE(CT, IDX) \
770 ((IDX) < CHAR_TABLE_SINGLE_BYTE_SLOTS \
771 ? (!NILP (XCHAR_TABLE (CT)->contents[IDX]) \
772 ? XINT (XCHAR_TABLE (CT)->contents[IDX]) \
774 : char_table_translate (CT, IDX))
776 /* Equivalent to Faset (CT, IDX, VAL) with optimization for ASCII and
777 8-bit Europeans characters. Do not check validity of CT. */
778 #define CHAR_TABLE_SET(CT, IDX, VAL) \
780 if (XFASTINT (IDX) < CHAR_TABLE_SINGLE_BYTE_SLOTS) \
781 XCHAR_TABLE (CT)->contents[XFASTINT (IDX)] = VAL; \
783 Faset (CT, IDX, VAL); \
786 struct Lisp_Char_Table
788 /* This is the vector's size field, which also holds the
789 pseudovector type information. It holds the size, too.
790 The size counts the top, defalt, purpose, and parent slots.
791 The last three are not counted if this is a sub char table. */
793 struct Lisp_Vector
*next
;
794 /* This holds a flag to tell if this is a top level char table (t)
795 or a sub char table (nil). */
797 /* This holds a default value,
798 which is used whenever the value for a specific character is nil. */
800 /* This holds an actual value of each element. A sub char table
801 has only SUB_CHAR_TABLE_ORDINARY_SLOTS number of elements. */
802 Lisp_Object contents
[CHAR_TABLE_ORDINARY_SLOTS
];
804 /* A sub char table doesn't has the following slots. */
806 /* This points to another char table, which we inherit from
807 when the value for a specific character is nil.
808 The `defalt' slot takes precedence over this. */
810 /* This should be a symbol which says what kind of use
811 this char-table is meant for.
812 Typically now the values can be `syntax-table' and `display-table'. */
814 /* These hold additional data. */
815 Lisp_Object extras
[1];
818 /* A boolvector is a kind of vectorlike, with contents are like a string. */
819 struct Lisp_Bool_Vector
821 /* This is the vector's size field. It doesn't have the real size,
822 just the subtype information. */
823 EMACS_INT vector_size
;
824 struct Lisp_Vector
*next
;
825 /* This is the size in bits. */
827 /* This contains the actual bits, packed into bytes. */
828 unsigned char data
[1];
831 /* This structure describes a built-in function.
832 It is generated by the DEFUN macro only.
833 defsubr makes it into a Lisp object.
835 This type is treated in most respects as a pseudovector,
836 but since we never dynamically allocate or free them,
837 we don't need a next-vector field. */
842 Lisp_Object (*function
) ();
843 short min_args
, max_args
;
850 /***********************************************************************
852 ***********************************************************************/
854 /* Interned state of a symbol. */
858 SYMBOL_UNINTERNED
= 0,
860 SYMBOL_INTERNED_IN_INITIAL_OBARRAY
= 2
863 /* In a symbol, the markbit of the plist is used as the gc mark bit */
867 /* Non-zero means symbol serves as a variable alias. The symbol
868 holding the real value is found in the value slot. */
869 unsigned indirect_variable
: 1;
871 /* Non-zero means symbol is constant, i.e. changing its value
872 should signal an error. */
873 unsigned constant
: 1;
875 /* Interned state of the symbol. This is an enumerator from
876 enum symbol_interned. */
877 unsigned interned
: 2;
879 /* The symbol's name. This should become a Lisp_Object
880 some day; there's no need for the Lisp_String pointer nowadays. */
881 struct Lisp_String
*name
;
883 /* Value of the symbol or Qunbound if unbound. If this symbol is a
884 defvaralias, `value' contains the symbol for which it is an
885 alias. Use the SYMBOL_VALUE and SET_SYMBOL_VALUE macros to get
886 and set a symbol's value, to take defvaralias into account. */
889 /* Function value of the symbol or Qunbound if not fboundp. */
890 Lisp_Object function
;
892 /* The symbol's property list. */
895 /* Next symbol in obarray bucket, if the symbol is interned. */
896 struct Lisp_Symbol
*next
;
899 /* Value is non-zero if SYM is an interned symbol. */
901 #define SYMBOL_INTERNED_P(sym) \
902 (XSYMBOL (sym)->interned != SYMBOL_UNINTERNED)
904 /* Value is non-zero if SYM is interned in initial_obarray. */
906 #define SYMBOL_INTERNED_IN_INITIAL_OBARRAY_P(sym) \
907 (XSYMBOL (sym)->interned == SYMBOL_INTERNED_IN_INITIAL_OBARRAY)
909 /* Value is non-zero if symbol is considered a constant, i.e. its
910 value cannot be changed (there is an exception for keyword symbols,
911 whose value can be set to the keyword symbol itself). */
913 #define SYMBOL_CONSTANT_P(sym) XSYMBOL (sym)->constant
915 /* Value is the value of SYM, with defvaralias taken into
918 #define SYMBOL_VALUE(sym) \
919 (XSYMBOL (sym)->indirect_variable \
920 ? XSYMBOL (indirect_variable (sym))->value \
921 : XSYMBOL (sym)->value)
923 /* Set SYM's value to VAL, taking defvaralias into account. */
925 #define SET_SYMBOL_VALUE(sym, val) \
927 if (XSYMBOL (sym)->indirect_variable) \
928 XSYMBOL (indirect_variable ((sym)))->value = (val); \
930 XSYMBOL (sym)->value = (val); \
934 /***********************************************************************
936 ***********************************************************************/
938 /* The structure of a Lisp hash table. */
940 struct Lisp_Hash_Table
942 /* Vector fields. The hash table code doesn't refer to these. */
944 struct Lisp_Vector
*vec_next
;
946 /* Function used to compare keys. */
949 /* Nil if table is non-weak. Otherwise a symbol describing the
950 weakness of the table. */
953 /* When the table is resized, and this is an integer, compute the
954 new size by adding this to the old size. If a float, compute the
955 new size by multiplying the old size with this factor. */
956 Lisp_Object rehash_size
;
958 /* Resize hash table when number of entries/ table size is >= this
960 Lisp_Object rehash_threshold
;
962 /* Number of key/value entries in the table. */
965 /* Vector of keys and values. The key of item I is found at index
966 2 * I, the value is found at index 2 * I + 1. */
967 Lisp_Object key_and_value
;
969 /* Vector of hash codes.. If hash[I] is nil, this means that that
970 entry I is unused. */
973 /* Vector used to chain entries. If entry I is free, next[I] is the
974 entry number of the next free item. If entry I is non-free,
975 next[I] is the index of the next entry in the collision chain. */
978 /* Index of first free entry in free list. */
979 Lisp_Object next_free
;
981 /* Bucket vector. A non-nil entry is the index of the first item in
982 a collision chain. This vector's size can be larger than the
983 hash table size to reduce collisions. */
986 /* Next weak hash table if this is a weak hash table. The head
987 of the list is in Vweak_hash_tables. */
988 Lisp_Object next_weak
;
990 /* User-supplied hash function, or nil. */
991 Lisp_Object user_hash_function
;
993 /* User-supplied key comparison function, or nil. */
994 Lisp_Object user_cmp_function
;
996 /* C function to compare two keys. */
997 int (* cmpfn
) P_ ((struct Lisp_Hash_Table
*, Lisp_Object
,
998 unsigned, Lisp_Object
, unsigned));
1000 /* C function to compute hash code. */
1001 unsigned (* hashfn
) P_ ((struct Lisp_Hash_Table
*, Lisp_Object
));
1005 #define XHASH_TABLE(OBJ) \
1006 ((struct Lisp_Hash_Table *) XPNTR (OBJ))
1008 #define XSET_HASH_TABLE(VAR, PTR) \
1009 (XSETPSEUDOVECTOR (VAR, PTR, PVEC_HASH_TABLE))
1011 #define HASH_TABLE_P(OBJ) PSEUDOVECTORP (OBJ, PVEC_HASH_TABLE)
1012 #define GC_HASH_TABLE_P(x) GC_PSEUDOVECTORP (x, PVEC_HASH_TABLE)
1014 #define CHECK_HASH_TABLE(x) \
1017 if (!HASH_TABLE_P ((x))) \
1018 x = wrong_type_argument (Qhash_table_p, (x)); \
1022 /* Default size for hash tables if not specified. */
1024 #define DEFAULT_HASH_SIZE 65
1026 /* Default threshold specifying when to resize a hash table. The
1027 value gives the ratio of current entries in the hash table and the
1028 size of the hash table. */
1030 #define DEFAULT_REHASH_THRESHOLD 0.8
1032 /* Default factor by which to increase the size of a hash table. */
1034 #define DEFAULT_REHASH_SIZE 1.5
1037 /* These structures are used for various misc types. */
1039 /* A miscellaneous object, when it's on the free list. */
1042 int type
: 16; /* = Lisp_Misc_Free */
1044 union Lisp_Misc
*chain
;
1047 /* In a marker, the markbit of the chain field is used as the gc mark bit. */
1050 int type
: 16; /* = Lisp_Misc_Marker */
1052 /* 1 means normal insertion at the marker's position
1053 leaves the marker after the inserted text. */
1054 unsigned int insertion_type
: 1;
1055 /* This is the buffer that the marker points into,
1056 or 0 if it points nowhere. */
1057 struct buffer
*buffer
;
1059 /* The remaining fields are meaningless in a marker that
1060 does not point anywhere. */
1062 /* For markers that point somewhere,
1063 this is used to chain of all the markers in a given buffer. */
1065 /* This is the char position where the marker points. */
1067 /* This is the byte position. */
1071 /* Forwarding pointer to an int variable.
1072 This is allowed only in the value cell of a symbol,
1073 and it means that the symbol's value really lives in the
1074 specified int variable. */
1077 int type
: 16; /* = Lisp_Misc_Intfwd */
1082 /* Boolean forwarding pointer to an int variable.
1083 This is like Lisp_Intfwd except that the ostensible
1084 "value" of the symbol is t if the int variable is nonzero,
1085 nil if it is zero. */
1088 int type
: 16; /* = Lisp_Misc_Boolfwd */
1093 /* Forwarding pointer to a Lisp_Object variable.
1094 This is allowed only in the value cell of a symbol,
1095 and it means that the symbol's value really lives in the
1096 specified variable. */
1099 int type
: 16; /* = Lisp_Misc_Objfwd */
1101 Lisp_Object
*objvar
;
1104 /* Like Lisp_Objfwd except that value lives in a slot in the
1105 current buffer. Value is byte index of slot within buffer. */
1106 struct Lisp_Buffer_Objfwd
1108 int type
: 16; /* = Lisp_Misc_Buffer_Objfwd */
1113 /* struct Lisp_Buffer_Local_Value is used in a symbol value cell when
1114 the symbol has buffer-local or frame-local bindings. (Exception:
1115 some buffer-local variables are built-in, with their values stored
1116 in the buffer structure itself. They are handled differently,
1117 using struct Lisp_Buffer_Objfwd.)
1119 The `realvalue' slot holds the variable's current value, or a
1120 forwarding pointer to where that value is kept. This value is the
1121 one that corresponds to the loaded binding. To read or set the
1122 variable, you must first make sure the right binding is loaded;
1123 then you can access the value in (or through) `realvalue'.
1125 `buffer' and `frame' are the buffer and frame for which the loaded
1126 binding was found. If those have changed, to make sure the right
1127 binding is loaded it is necessary to find which binding goes with
1128 the current buffer and selected frame, then load it. To load it,
1129 first unload the previous binding, then copy the value of the new
1130 binding into `realvalue' (or through it). Also update
1131 LOADED-BINDING to point to the newly loaded binding.
1133 Lisp_Misc_Buffer_Local_Value and Lisp_Misc_Some_Buffer_Local_Value
1134 both use this kind of structure. With the former, merely setting
1135 the variable creates a local binding for the current buffer. With
1136 the latter, setting the variable does not do that; only
1137 make-local-variable does that. */
1139 struct Lisp_Buffer_Local_Value
1141 int type
: 16; /* = Lisp_Misc_Buffer_Local_Value
1142 or Lisp_Misc_Some_Buffer_Local_Value */
1145 /* 1 means this variable is allowed to have frame-local bindings,
1146 so check for them when looking for the proper binding. */
1147 unsigned int check_frame
: 1;
1148 /* 1 means that the binding now loaded was found
1149 as a local binding for the buffer in the `buffer' slot. */
1150 unsigned int found_for_buffer
: 1;
1151 /* 1 means that the binding now loaded was found
1152 as a local binding for the frame in the `frame' slot. */
1153 unsigned int found_for_frame
: 1;
1154 Lisp_Object realvalue
;
1155 /* The buffer and frame for which the loaded binding was found. */
1156 Lisp_Object buffer
, frame
;
1158 /* A cons cell, (LOADED-BINDING . DEFAULT-VALUE).
1160 LOADED-BINDING is the binding now loaded. It is a cons cell
1161 whose cdr is the binding's value. The cons cell may be an
1162 element of a buffer's local-variable alist, or an element of a
1163 frame's parameter alist, or it may be this cons cell.
1165 DEFAULT-VALUE is the variable's default value, seen when the
1166 current buffer and selected frame do not have their own
1167 bindings for the variable. When the default binding is loaded,
1168 LOADED-BINDING is actually this very cons cell; thus, its car
1169 points to itself. */
1173 /* In an overlay object, the mark bit of the plist is used as the GC mark.
1174 START and END are markers in the overlay's buffer, and
1175 PLIST is the overlay's property list. */
1178 int type
: 16; /* = Lisp_Misc_Overlay */
1180 Lisp_Object start
, end
, plist
;
1183 /* Like Lisp_Objfwd except that value lives in a slot in the
1185 struct Lisp_Kboard_Objfwd
1187 int type
: 16; /* = Lisp_Misc_Kboard_Objfwd */
1193 /* To get the type field of a union Lisp_Misc, use XMISCTYPE.
1194 It uses one of these struct subtypes to get the type field. */
1198 struct Lisp_Free u_free
;
1199 struct Lisp_Marker u_marker
;
1200 struct Lisp_Intfwd u_intfwd
;
1201 struct Lisp_Boolfwd u_boolfwd
;
1202 struct Lisp_Objfwd u_objfwd
;
1203 struct Lisp_Buffer_Objfwd u_buffer_objfwd
;
1204 struct Lisp_Buffer_Local_Value u_buffer_local_value
;
1205 struct Lisp_Overlay u_overlay
;
1206 struct Lisp_Kboard_Objfwd u_kboard_objfwd
;
1209 /* Lisp floating point type */
1212 Lisp_Object type
; /* essentially used for mark-bit
1213 and chaining when on free-list */
1214 #ifdef HIDE_LISP_IMPLEMENTATION
1221 #ifdef HIDE_LISP_IMPLEMENTATION
1222 #define XFLOAT_DATA(f) (XFLOAT (f)->data_)
1224 #define XFLOAT_DATA(f) (XFLOAT (f)->data)
1227 /* A character, declared with the following typedef, is a member
1228 of some character set associated with the current buffer. */
1229 #ifndef _UCHAR_T /* Protect against something in ctab.h on AIX. */
1231 typedef unsigned char UCHAR
;
1234 /* Meanings of slots in a Lisp_Compiled: */
1236 #define COMPILED_ARGLIST 0
1237 #define COMPILED_BYTECODE 1
1238 #define COMPILED_CONSTANTS 2
1239 #define COMPILED_STACK_DEPTH 3
1240 #define COMPILED_DOC_STRING 4
1241 #define COMPILED_INTERACTIVE 5
1243 /* Flag bits in a character. These also get used in termhooks.h.
1244 Richard Stallman <rms@gnu.ai.mit.edu> thinks that MULE
1245 (MUlti-Lingual Emacs) might need 22 bits for the character value
1246 itself, so we probably shouldn't use any bits lower than 0x0400000. */
1247 #define CHAR_ALT (0x0400000)
1248 #define CHAR_SUPER (0x0800000)
1249 #define CHAR_HYPER (0x1000000)
1250 #define CHAR_SHIFT (0x2000000)
1251 #define CHAR_CTL (0x4000000)
1252 #define CHAR_META (0x8000000)
1254 #define CHAR_MODIFIER_MASK \
1255 (CHAR_ALT | CHAR_SUPER | CHAR_HYPER | CHAR_SHIFT | CHAR_CTL | CHAR_META)
1258 /* Actually, the current Emacs uses 19 bits for the character value
1260 #define CHARACTERBITS 19
1262 /* The maximum byte size consumed by push_key_description.
1263 All callers should assure that at least this size of memory is
1264 allocated at the place pointed by the second argument.
1266 Thers are 6 modifiers, each consumes 2 chars.
1267 The octal form of a character code consumes
1268 (1 + CHARACTERBITS / 3 + 1) chars (including backslash at the head).
1269 We need one more byte for string terminator `\0'. */
1270 #define KEY_DESCRIPTION_SIZE ((2 * 6) + 1 + (CHARACTERBITS / 3) + 1 + 1)
1272 #ifdef USE_X_TOOLKIT
1273 #ifdef NO_UNION_TYPE
1274 /* Use this for turning a (void *) into a Lisp_Object, as when the
1275 Lisp_Object is passed into a toolkit callback function. */
1276 #define VOID_TO_LISP(larg,varg) \
1277 do { ((larg) = ((Lisp_Object) (varg))); } while (0)
1278 #define CVOID_TO_LISP VOID_TO_LISP
1280 /* Use this for turning a Lisp_Object into a (void *), as when the
1281 Lisp_Object is passed into a toolkit callback function. */
1282 #define LISP_TO_VOID(larg) ((void *) (larg))
1283 #define LISP_TO_CVOID(varg) ((const void *) (larg))
1285 #else /* not NO_UNION_TYPE */
1286 /* Use this for turning a (void *) into a Lisp_Object, as when the
1287 Lisp_Object is passed into a toolkit callback function. */
1288 #define VOID_TO_LISP(larg,varg) \
1289 do { ((larg).v = (void *) (varg)); } while (0)
1290 #define CVOID_TO_LISP(larg,varg) \
1291 do { ((larg).cv = (const void *) (varg)); } while (0)
1293 /* Use this for turning a Lisp_Object into a (void *), as when the
1294 Lisp_Object is passed into a toolkit callback function. */
1295 #define LISP_TO_VOID(larg) ((larg).v)
1296 #define LISP_TO_CVOID(larg) ((larg).cv)
1297 #endif /* not NO_UNION_TYPE */
1298 #endif /* USE_X_TOOLKIT */
1301 /* The glyph datatype, used to represent characters on the display. */
1303 /* Glyph code to use as an index to the glyph table. If it is out of
1304 range for the glyph table, or the corresonding element in the table
1305 is nil, the low 8 bits are the single byte character code, and the
1306 bits above are the numeric face ID. If FID is the face ID of a
1307 glyph on a frame F, then F->display.x->faces[FID] contains the
1308 description of that face. This is an int instead of a short, so we
1309 can support a good bunch of face ID's (2^(31 - 8)); given that we
1310 have no mechanism for tossing unused frame face ID's yet, we'll
1311 probably run out of 255 pretty quickly.
1312 This is always -1 for a multibyte character. */
1315 /* Mask bits for face. */
1316 #define GLYPH_MASK_FACE 0x7FF80000
1317 /* Mask bits for character code. */
1318 #define GLYPH_MASK_CHAR 0x0007FFFF /* The lowest 19 bits */
1320 /* The FAST macros assume that we already know we're in an X window. */
1322 /* Set a character code and a face ID in a glyph G. */
1323 #define FAST_MAKE_GLYPH(char, face) ((char) | ((face) << CHARACTERBITS))
1325 /* Return a glyph's character code. */
1326 #define FAST_GLYPH_CHAR(glyph) ((glyph) & GLYPH_MASK_CHAR)
1328 /* Return a glyph's face ID. */
1329 #define FAST_GLYPH_FACE(glyph) (((glyph) & GLYPH_MASK_FACE) >> CHARACTERBITS)
1331 /* Slower versions that test the frame type first. */
1332 #define MAKE_GLYPH(f, char, face) (FAST_MAKE_GLYPH (char, face))
1333 #define GLYPH_CHAR(f, g) (FAST_GLYPH_CHAR (g))
1334 #define GLYPH_FACE(f, g) (FAST_GLYPH_FACE (g))
1336 /* Return 1 iff GLYPH contains valid character code. */
1337 #define GLYPH_CHAR_VALID_P(glyph) CHAR_VALID_P (FAST_GLYPH_CHAR (glyph), 1)
1339 /* The ID of the mode line highlighting face. */
1340 #define GLYPH_MODE_LINE_FACE 1
1342 /* Data type checking */
1344 #define NILP(x) (XFASTINT (x) == XFASTINT (Qnil))
1345 #define GC_NILP(x) GC_EQ (x, Qnil)
1347 #define NUMBERP(x) (INTEGERP (x) || FLOATP (x))
1348 #define GC_NUMBERP(x) (GC_INTEGERP (x) || GC_FLOATP (x))
1349 #define NATNUMP(x) (INTEGERP (x) && XINT (x) >= 0)
1350 #define GC_NATNUMP(x) (GC_INTEGERP (x) && XINT (x) >= 0)
1352 #define INTEGERP(x) (XTYPE ((x)) == Lisp_Int)
1353 #define GC_INTEGERP(x) (XGCTYPE ((x)) == Lisp_Int)
1354 #define SYMBOLP(x) (XTYPE ((x)) == Lisp_Symbol)
1355 #define GC_SYMBOLP(x) (XGCTYPE ((x)) == Lisp_Symbol)
1356 #define MISCP(x) (XTYPE ((x)) == Lisp_Misc)
1357 #define GC_MISCP(x) (XGCTYPE ((x)) == Lisp_Misc)
1358 #define VECTORLIKEP(x) (XTYPE ((x)) == Lisp_Vectorlike)
1359 #define GC_VECTORLIKEP(x) (XGCTYPE ((x)) == Lisp_Vectorlike)
1360 #define STRINGP(x) (XTYPE ((x)) == Lisp_String)
1361 #define GC_STRINGP(x) (XGCTYPE ((x)) == Lisp_String)
1362 #define CONSP(x) (XTYPE ((x)) == Lisp_Cons)
1363 #define GC_CONSP(x) (XGCTYPE ((x)) == Lisp_Cons)
1365 #define FLOATP(x) (XTYPE ((x)) == Lisp_Float)
1366 #define GC_FLOATP(x) (XGCTYPE ((x)) == Lisp_Float)
1367 #define VECTORP(x) (VECTORLIKEP (x) && !(XVECTOR (x)->size & PSEUDOVECTOR_FLAG))
1368 #define GC_VECTORP(x) (GC_VECTORLIKEP (x) && !(XVECTOR (x)->size & PSEUDOVECTOR_FLAG))
1369 #define OVERLAYP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Overlay)
1370 #define GC_OVERLAYP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Overlay)
1371 #define MARKERP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Marker)
1372 #define GC_MARKERP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Marker)
1373 #define INTFWDP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Intfwd)
1374 #define GC_INTFWDP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Intfwd)
1375 #define BOOLFWDP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Boolfwd)
1376 #define GC_BOOLFWDP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Boolfwd)
1377 #define OBJFWDP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Objfwd)
1378 #define GC_OBJFWDP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Objfwd)
1379 #define BUFFER_OBJFWDP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Buffer_Objfwd)
1380 #define GC_BUFFER_OBJFWDP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Buffer_Objfwd)
1381 #define BUFFER_LOCAL_VALUEP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Buffer_Local_Value)
1382 #define GC_BUFFER_LOCAL_VALUEP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Buffer_Local_Value)
1383 #define SOME_BUFFER_LOCAL_VALUEP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Some_Buffer_Local_Value)
1384 #define GC_SOME_BUFFER_LOCAL_VALUEP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Some_Buffer_Local_Value)
1385 #define KBOARD_OBJFWDP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Kboard_Objfwd)
1386 #define GC_KBOARD_OBJFWDP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Kboard_Objfwd)
1389 /* True if object X is a pseudovector whose code is CODE. */
1390 #define PSEUDOVECTORP(x, code) \
1392 && (((XVECTOR (x)->size & (PSEUDOVECTOR_FLAG | (code)))) \
1393 == (PSEUDOVECTOR_FLAG | (code))))
1395 /* True if object X is a pseudovector whose code is CODE.
1396 This one works during GC. */
1397 #define GC_PSEUDOVECTORP(x, code) \
1398 (GC_VECTORLIKEP (x) \
1399 && (((XVECTOR (x)->size & (PSEUDOVECTOR_FLAG | (code)))) \
1400 == (PSEUDOVECTOR_FLAG | (code))))
1402 /* Test for specific pseudovector types. */
1403 #define WINDOW_CONFIGURATIONP(x) PSEUDOVECTORP (x, PVEC_WINDOW_CONFIGURATION)
1404 #define GC_WINDOW_CONFIGURATIONP(x) GC_PSEUDOVECTORP (x, PVEC_WINDOW_CONFIGURATION)
1405 #define PROCESSP(x) PSEUDOVECTORP (x, PVEC_PROCESS)
1406 #define GC_PROCESSP(x) GC_PSEUDOVECTORP (x, PVEC_PROCESS)
1407 #define WINDOWP(x) PSEUDOVECTORP (x, PVEC_WINDOW)
1408 #define GC_WINDOWP(x) GC_PSEUDOVECTORP (x, PVEC_WINDOW)
1409 #define SUBRP(x) PSEUDOVECTORP (x, PVEC_SUBR)
1410 #define GC_SUBRP(x) GC_PSEUDOVECTORP (x, PVEC_SUBR)
1411 #define COMPILEDP(x) PSEUDOVECTORP (x, PVEC_COMPILED)
1412 #define GC_COMPILEDP(x) GC_PSEUDOVECTORP (x, PVEC_COMPILED)
1413 #define BUFFERP(x) PSEUDOVECTORP (x, PVEC_BUFFER)
1414 #define GC_BUFFERP(x) GC_PSEUDOVECTORP (x, PVEC_BUFFER)
1415 #define CHAR_TABLE_P(x) PSEUDOVECTORP (x, PVEC_CHAR_TABLE)
1416 #define GC_CHAR_TABLE_P(x) GC_PSEUDOVECTORP (x, PVEC_CHAR_TABLE)
1417 #define BOOL_VECTOR_P(x) PSEUDOVECTORP (x, PVEC_BOOL_VECTOR)
1418 #define GC_BOOL_VECTOR_P(x) GC_PSEUDOVECTORP (x, PVEC_BOOL_VECTOR)
1419 #define FRAMEP(x) PSEUDOVECTORP (x, PVEC_FRAME)
1420 #define GC_FRAMEP(x) GC_PSEUDOVECTORP (x, PVEC_FRAME)
1422 #define SUB_CHAR_TABLE_P(x) (CHAR_TABLE_P (x) && NILP (XCHAR_TABLE (x)->top))
1424 #define EQ(x, y) (XFASTINT (x) == XFASTINT (y))
1425 #define GC_EQ(x, y) (XGCTYPE (x) == XGCTYPE (y) && XPNTR (x) == XPNTR (y))
1427 #define CHECK_LIST(x) \
1428 do { if (!CONSP ((x)) && !NILP (x)) x = wrong_type_argument (Qlistp, (x)); } while (0)
1430 #define CHECK_STRING(x) \
1431 do { if (!STRINGP ((x))) x = wrong_type_argument (Qstringp, (x)); } while (0)
1433 #define CHECK_STRING_CAR(x) \
1434 do { if (!STRINGP (XCAR (x))) XSETCAR (x, wrong_type_argument (Qstringp, XCAR (x))); } while (0)
1436 #define CHECK_CONS(x) \
1437 do { if (!CONSP ((x))) x = wrong_type_argument (Qconsp, (x)); } while (0)
1439 #define CHECK_SYMBOL(x) \
1440 do { if (!SYMBOLP ((x))) x = wrong_type_argument (Qsymbolp, (x)); } while (0)
1442 #define CHECK_CHAR_TABLE(x) \
1443 do { if (!CHAR_TABLE_P ((x))) \
1444 x = wrong_type_argument (Qchar_table_p, (x)); } while (0)
1446 #define CHECK_VECTOR(x) \
1447 do { if (!VECTORP ((x))) x = wrong_type_argument (Qvectorp, (x)); } while (0)
1449 #define CHECK_VECTOR_OR_CHAR_TABLE(x) \
1450 do { if (!VECTORP ((x)) && !CHAR_TABLE_P ((x))) \
1451 x = wrong_type_argument (Qvector_or_char_table_p, (x)); \
1454 #define CHECK_BUFFER(x) \
1455 do { if (!BUFFERP ((x))) x = wrong_type_argument (Qbufferp, (x)); } while (0)
1457 #define CHECK_WINDOW(x) \
1458 do { if (!WINDOWP ((x))) x = wrong_type_argument (Qwindowp, (x)); } while (0)
1460 /* This macro rejects windows on the interior of the window tree as
1461 "dead", which is what we want; this is an argument-checking macro, and
1462 the user should never get access to interior windows.
1464 A window of any sort, leaf or interior, is dead iff the buffer,
1465 vchild, and hchild members are all nil. */
1467 #define CHECK_LIVE_WINDOW(x) \
1469 if (!WINDOWP ((x)) \
1470 || NILP (XWINDOW ((x))->buffer)) \
1471 x = wrong_type_argument (Qwindow_live_p, (x)); \
1474 #define CHECK_PROCESS(x) \
1475 do { if (!PROCESSP ((x))) x = wrong_type_argument (Qprocessp, (x)); } while (0)
1477 #define CHECK_NUMBER(x) \
1478 do { if (!INTEGERP ((x))) x = wrong_type_argument (Qintegerp, (x)); } while (0)
1480 #define CHECK_NATNUM(x) \
1481 do { if (!NATNUMP (x)) x = wrong_type_argument (Qwholenump, (x)); } while (0)
1483 #define CHECK_MARKER(x) \
1484 do { if (!MARKERP ((x))) x = wrong_type_argument (Qmarkerp, (x)); } while (0)
1486 #define CHECK_NUMBER_COERCE_MARKER(x) \
1487 do { if (MARKERP ((x))) XSETFASTINT (x, marker_position (x)); \
1488 else if (!INTEGERP ((x))) x = wrong_type_argument (Qinteger_or_marker_p, (x)); } while (0)
1490 #define XFLOATINT(n) extract_float((n))
1492 #define CHECK_FLOAT(x) \
1493 do { if (!FLOATP (x)) \
1494 x = wrong_type_argument (Qfloatp, (x)); } while (0)
1496 #define CHECK_NUMBER_OR_FLOAT(x) \
1497 do { if (!FLOATP (x) && !INTEGERP (x)) \
1498 x = wrong_type_argument (Qnumberp, (x)); } while (0)
1500 #define CHECK_NUMBER_OR_FLOAT_COERCE_MARKER(x) \
1501 do { if (MARKERP (x)) XSETFASTINT (x, marker_position (x)); \
1502 else if (!INTEGERP (x) && !FLOATP (x)) \
1503 x = wrong_type_argument (Qnumber_or_marker_p, (x)); } while (0)
1505 #define CHECK_OVERLAY(x) \
1506 do { if (!OVERLAYP ((x))) x = wrong_type_argument (Qoverlayp, (x));} while (0)
1508 /* Since we can't assign directly to the CAR or CDR fields of a cons
1509 cell, use these when checking that those fields contain numbers. */
1510 #define CHECK_NUMBER_CAR(x) \
1512 Lisp_Object tmp = XCAR (x); \
1513 CHECK_NUMBER (tmp); \
1514 XSETCAR ((x), tmp); \
1517 #define CHECK_NUMBER_CDR(x) \
1519 Lisp_Object tmp = XCDR (x); \
1520 CHECK_NUMBER (tmp); \
1521 XSETCDR ((x), tmp); \
1524 /* Cast pointers to this type to compare them. Some machines want int. */
1525 #ifndef PNTR_COMPARISON_TYPE
1526 #define PNTR_COMPARISON_TYPE EMACS_UINT
1529 /* Define a built-in function for calling from Lisp.
1530 `lname' should be the name to give the function in Lisp,
1531 as a null-terminated C string.
1532 `fnname' should be the name of the function in C.
1533 By convention, it starts with F.
1534 `sname' should be the name for the C constant structure
1535 that records information on this function for internal use.
1536 By convention, it should be the same as `fnname' but with S instead of F.
1537 It's too bad that C macros can't compute this from `fnname'.
1538 `minargs' should be a number, the minimum number of arguments allowed.
1539 `maxargs' should be a number, the maximum number of arguments allowed,
1540 or else MANY or UNEVALLED.
1541 MANY means pass a vector of evaluated arguments,
1542 in the form of an integer number-of-arguments
1543 followed by the address of a vector of Lisp_Objects
1544 which contains the argument values.
1545 UNEVALLED means pass the list of unevaluated arguments
1546 `prompt' says how to read arguments for an interactive call.
1547 See the doc string for `interactive'.
1548 A null string means call interactively with no arguments.
1549 `doc' is documentation for the user. */
1551 #if (!defined (__STDC__) && !defined (PROTOTYPES)) \
1552 || defined (USE_NONANSI_DEFUN)
1554 #define DEFUN(lname, fnname, sname, minargs, maxargs, prompt, doc) \
1555 Lisp_Object fnname (); \
1556 struct Lisp_Subr sname = \
1557 { PVEC_SUBR | (sizeof (struct Lisp_Subr) / sizeof (EMACS_INT)), \
1558 fnname, minargs, maxargs, lname, prompt, 0}; \
1563 /* This version of DEFUN declares a function prototype with the right
1564 arguments, so we can catch errors with maxargs at compile-time. */
1565 #define DEFUN(lname, fnname, sname, minargs, maxargs, prompt, doc) \
1566 Lisp_Object fnname DEFUN_ARGS_ ## maxargs ; \
1567 struct Lisp_Subr sname = \
1568 { PVEC_SUBR | (sizeof (struct Lisp_Subr) / sizeof (EMACS_INT)), \
1569 fnname, minargs, maxargs, lname, prompt, 0}; \
1572 /* Note that the weird token-substitution semantics of ANSI C makes
1573 this work for MANY and UNEVALLED. */
1574 #define DEFUN_ARGS_MANY (int, Lisp_Object *)
1575 #define DEFUN_ARGS_UNEVALLED (Lisp_Object)
1576 #define DEFUN_ARGS_0 (void)
1577 #define DEFUN_ARGS_1 (Lisp_Object)
1578 #define DEFUN_ARGS_2 (Lisp_Object, Lisp_Object)
1579 #define DEFUN_ARGS_3 (Lisp_Object, Lisp_Object, Lisp_Object)
1580 #define DEFUN_ARGS_4 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object)
1581 #define DEFUN_ARGS_5 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, \
1583 #define DEFUN_ARGS_6 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, \
1584 Lisp_Object, Lisp_Object)
1585 #define DEFUN_ARGS_7 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, \
1586 Lisp_Object, Lisp_Object, Lisp_Object)
1587 #define DEFUN_ARGS_8 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, \
1588 Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object)
1591 /* Non-zero if OBJ is a Lisp function. */
1593 #define FUNCTIONP(OBJ) \
1594 ((CONSP (OBJ) && EQ (XCAR (OBJ), Qlambda)) \
1595 || (SYMBOLP (OBJ) && !NILP (Ffboundp (OBJ))) \
1596 || COMPILEDP (OBJ) \
1600 is how we define the symbol for function `name' at start-up time. */
1601 extern void defsubr
P_ ((struct Lisp_Subr
*));
1604 #define UNEVALLED -1
1606 extern void defvar_lisp
P_ ((char *, Lisp_Object
*));
1607 extern void defvar_lisp_nopro
P_ ((char *, Lisp_Object
*));
1608 extern void defvar_bool
P_ ((char *, int *));
1609 extern void defvar_int
P_ ((char *, EMACS_INT
*));
1610 extern void defvar_per_buffer
P_ ((char *, Lisp_Object
*, Lisp_Object
, char *));
1611 extern void defvar_kboard
P_ ((char *, int));
1613 /* Macros we use to define forwarded Lisp variables.
1614 These are used in the syms_of_FILENAME functions. */
1616 #define DEFVAR_LISP(lname, vname, doc) defvar_lisp (lname, vname)
1617 #define DEFVAR_LISP_NOPRO(lname, vname, doc) defvar_lisp_nopro (lname, vname)
1618 #define DEFVAR_BOOL(lname, vname, doc) defvar_bool (lname, vname)
1619 #define DEFVAR_INT(lname, vname, doc) defvar_int (lname, vname)
1620 #define DEFVAR_PER_BUFFER(lname, vname, type, doc) \
1621 defvar_per_buffer (lname, vname, type, 0)
1622 #define DEFVAR_KBOARD(lname, vname, doc) \
1623 defvar_kboard (lname, \
1624 (int)((char *)(¤t_kboard->vname) \
1625 - (char *)current_kboard))
1629 /* Structure for recording Lisp call stack for backtrace purposes. */
1631 /* The special binding stack holds the outer values of variables while
1632 they are bound by a function application or a let form, stores the
1633 code to be executed for Lisp unwind-protect forms, and stores the C
1634 functions to be called for record_unwind_protect.
1636 If func is non-zero, undoing this binding applies func to old_value;
1637 This implements record_unwind_protect.
1638 If func is zero and symbol is nil, undoing this binding evaluates
1639 the list of forms in old_value; this implements Lisp's unwind-protect
1642 Otherwise, the element is a variable binding.
1644 If the symbol field is a symbol, it is an ordinary variable binding.
1646 Otherwise, it should be a structure (SYMBOL WHERE
1647 . CURRENT-BUFFER), which means having bound a local value while
1648 CURRENT-BUFFER was active. If WHERE is nil this means we saw the
1649 default value when binding SYMBOL. WHERE being a buffer or frame
1650 means we saw a buffer-local or frame-local value. Other values of
1651 WHERE mean an internal error. */
1655 Lisp_Object symbol
, old_value
;
1656 Lisp_Object (*func
) P_ ((Lisp_Object
));
1657 Lisp_Object unused
; /* Dividing by 16 is faster than by 12 */
1660 extern struct specbinding
*specpdl
;
1661 extern struct specbinding
*specpdl_ptr
;
1662 extern int specpdl_size
;
1664 extern EMACS_INT max_specpdl_size
;
1666 #define BINDING_STACK_SIZE() (specpdl_ptr - specpdl)
1668 /* Everything needed to describe an active condition case. */
1671 /* The handler clauses and variable from the condition-case form. */
1672 Lisp_Object handler
;
1674 /* Fsignal stores here the condition-case clause that applies,
1675 and Fcondition_case thus knows which clause to run. */
1676 Lisp_Object chosen_clause
;
1678 /* Used to effect the longjump out to the handler. */
1679 struct catchtag
*tag
;
1681 /* The next enclosing handler. */
1682 struct handler
*next
;
1685 extern struct handler
*handlerlist
;
1687 extern struct catchtag
*catchlist
;
1688 extern struct backtrace
*backtrace_list
;
1690 extern Lisp_Object memory_signal_data
;
1692 /* An address near the bottom of the stack.
1693 Tells GC how to save a copy of the stack. */
1694 extern char *stack_bottom
;
1696 /* Check quit-flag and quit if it is non-nil.
1697 Typing C-g does not directly cause a quit; it only sets Vquit_flag.
1698 So the program needs to do QUIT at times when it is safe to quit.
1699 Every loop that might run for a long time or might not exit
1700 ought to do QUIT at least once, at a safe place.
1701 Unless that is impossible, of course.
1702 But it is very desirable to avoid creating loops where QUIT is impossible.
1704 Exception: if you set immediate_quit to nonzero,
1705 then the handler that responds to the C-g does the quit itself.
1706 This is a good thing to do around a loop that has no side effects
1707 and (in particular) cannot call arbitrary Lisp code. */
1711 if (!NILP (Vquit_flag) && NILP (Vinhibit_quit)) \
1713 Vquit_flag = Qnil; \
1714 Fsignal (Qquit, Qnil); \
1718 /* Nonzero if ought to quit now. */
1720 #define QUITP (!NILP (Vquit_flag) && NILP (Vinhibit_quit))
1722 /* Variables used locally in the following case handling macros. */
1723 extern int case_temp1
;
1724 extern Lisp_Object case_temp2
;
1726 /* Current buffer's map from characters to lower-case characters. */
1728 #define DOWNCASE_TABLE current_buffer->downcase_table
1730 /* Current buffer's map from characters to upper-case characters. */
1732 #define UPCASE_TABLE current_buffer->upcase_table
1734 /* Downcase a character, or make no change if that cannot be done. */
1736 #define DOWNCASE(CH) \
1737 ((case_temp1 = (CH), \
1738 case_temp2 = CHAR_TABLE_REF (DOWNCASE_TABLE, case_temp1), \
1739 NATNUMP (case_temp2)) \
1740 ? XFASTINT (case_temp2) : case_temp1)
1742 /* 1 if CH is upper case. */
1744 #define UPPERCASEP(CH) (DOWNCASE (CH) != (CH))
1746 /* 1 if CH is neither upper nor lower case. */
1748 #define NOCASEP(CH) (UPCASE1 (CH) == (CH))
1750 /* 1 if CH is lower case. */
1752 #define LOWERCASEP(CH) (!UPPERCASEP (CH) && !NOCASEP(CH))
1754 /* Upcase a character, or make no change if that cannot be done. */
1756 #define UPCASE(CH) (!UPPERCASEP (CH) ? UPCASE1 (CH) : (CH))
1758 /* Upcase a character known to be not upper case. */
1760 #define UPCASE1(CH) \
1761 ((case_temp1 = (CH), \
1762 case_temp2 = CHAR_TABLE_REF (UPCASE_TABLE, case_temp1), \
1763 NATNUMP (case_temp2)) \
1764 ? XFASTINT (case_temp2) : case_temp1)
1766 extern Lisp_Object Vascii_downcase_table
;
1768 /* Number of bytes of structure consed since last GC. */
1770 extern int consing_since_gc
;
1772 /* Threshold for doing another gc. */
1774 extern EMACS_INT gc_cons_threshold
;
1776 /* Structure for recording stack slots that need marking. */
1778 /* This is a chain of structures, each of which points at a Lisp_Object variable
1779 whose value should be marked in garbage collection.
1780 Normally every link of the chain is an automatic variable of a function,
1781 and its `val' points to some argument or local variable of the function.
1782 On exit to the function, the chain is set back to the value it had on entry.
1783 This way, no link remains in the chain when the stack frame containing the
1786 Every function that can call Feval must protect in this fashion all
1787 Lisp_Object variables whose contents will be used again. */
1789 extern struct gcpro
*gcprolist
;
1795 /* Address of first protected variable. */
1796 volatile Lisp_Object
*var
;
1798 /* Number of consecutive protected variables. */
1806 /* Values of GC_MARK_STACK during compilation:
1808 0 Use GCPRO as before
1809 1 Do the real thing, make GCPROs and UNGCPRO no-ops.
1810 2 Mark the stack, and check that everything GCPRO'd is
1812 3 Mark using GCPRO's, mark stack last, and count how many
1813 dead objects are kept alive. */
1816 #define GC_USE_GCPROS_AS_BEFORE 0
1817 #define GC_MAKE_GCPROS_NOOPS 1
1818 #define GC_MARK_STACK_CHECK_GCPROS 2
1819 #define GC_USE_GCPROS_CHECK_ZOMBIES 3
1821 #ifndef GC_MARK_STACK
1822 #define GC_MARK_STACK GC_USE_GCPROS_AS_BEFORE
1825 #if GC_MARK_STACK == GC_MAKE_GCPROS_NOOPS
1827 /* Do something silly with gcproN vars just so gcc shuts up. */
1829 #define GCPRO1(varname) ((void) gcpro1)
1830 #define GCPRO2(varname1, varname2)(((void) gcpro2, (void) gcpro1))
1831 #define GCPRO3(varname1, varname2, varname3) \
1832 (((void) gcpro3, (void) gcpro2, (void) gcpro1))
1833 #define GCPRO4(varname1, varname2, varname3, varname4) \
1834 (((void) gcpro4, (void) gcpro3, (void) gcpro2, (void) gcpro1))
1835 #define GCPRO5(varname1, varname2, varname3, varname4, varname5) \
1836 (((void) gcpro5, (void) gcpro4, (void) gcpro3, (void) gcpro2, (void) gcpro1))
1837 #define GCPRO6(varname1, varname2, varname3, varname4, varname5, varname6) \
1838 (((void) gcpro6, (void) gcpro5, (void) gcpro4, (void) gcpro3, (void) gcpro2, (void) gcpro1))
1839 #define UNGCPRO ((void) 0)
1841 #else /* GC_MARK_STACK != GC_MAKE_GCPROS_NOOPS */
1845 #define GCPRO1(varname) \
1846 {gcpro1.next = gcprolist; gcpro1.var = &varname; gcpro1.nvars = 1; \
1847 gcprolist = &gcpro1; }
1849 #define GCPRO2(varname1, varname2) \
1850 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
1851 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
1852 gcprolist = &gcpro2; }
1854 #define GCPRO3(varname1, varname2, varname3) \
1855 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
1856 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
1857 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
1858 gcprolist = &gcpro3; }
1860 #define GCPRO4(varname1, varname2, varname3, varname4) \
1861 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
1862 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
1863 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
1864 gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \
1865 gcprolist = &gcpro4; }
1867 #define GCPRO5(varname1, varname2, varname3, varname4, varname5) \
1868 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
1869 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
1870 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
1871 gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \
1872 gcpro5.next = &gcpro4; gcpro5.var = &varname5; gcpro5.nvars = 1; \
1873 gcprolist = &gcpro5; }
1875 #define GCPRO6(varname1, varname2, varname3, varname4, varname5, varname6) \
1876 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
1877 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
1878 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
1879 gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \
1880 gcpro5.next = &gcpro4; gcpro5.var = &varname5; gcpro5.nvars = 1; \
1881 gcpro6.next = &gcpro5; gcpro6.var = &varname6; gcpro6.nvars = 1; \
1882 gcprolist = &gcpro6; }
1884 #define UNGCPRO (gcprolist = gcpro1.next)
1888 extern int gcpro_level
;
1890 #define GCPRO1(varname) \
1891 {gcpro1.next = gcprolist; gcpro1.var = &varname; gcpro1.nvars = 1; \
1892 gcpro1.level = gcpro_level++; \
1893 gcprolist = &gcpro1; }
1895 #define GCPRO2(varname1, varname2) \
1896 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
1897 gcpro1.level = gcpro_level; \
1898 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
1899 gcpro2.level = gcpro_level++; \
1900 gcprolist = &gcpro2; }
1902 #define GCPRO3(varname1, varname2, varname3) \
1903 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
1904 gcpro1.level = gcpro_level; \
1905 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
1906 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
1907 gcpro3.level = gcpro_level++; \
1908 gcprolist = &gcpro3; }
1910 #define GCPRO4(varname1, varname2, varname3, varname4) \
1911 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
1912 gcpro1.level = gcpro_level; \
1913 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
1914 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
1915 gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \
1916 gcpro4.level = gcpro_level++; \
1917 gcprolist = &gcpro4; }
1919 #define GCPRO5(varname1, varname2, varname3, varname4, varname5) \
1920 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
1921 gcpro1.level = gcpro_level; \
1922 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
1923 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
1924 gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \
1925 gcpro5.next = &gcpro4; gcpro5.var = &varname5; gcpro5.nvars = 1; \
1926 gcpro5.level = gcpro_level++; \
1927 gcprolist = &gcpro5; }
1929 #define GCPRO6(varname1, varname2, varname3, varname4, varname5, varname6) \
1930 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
1931 gcpro1.level = gcpro_level; \
1932 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
1933 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
1934 gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \
1935 gcpro5.next = &gcpro4; gcpro5.var = &varname5; gcpro5.nvars = 1; \
1936 gcpro6.next = &gcpro5; gcpro6.var = &varname6; gcpro6.nvars = 1; \
1937 gcpro6.level = gcpro_level++; \
1938 gcprolist = &gcpro6; }
1941 ((--gcpro_level != gcpro1.level) \
1943 : ((gcprolist = gcpro1.next), 0))
1945 #endif /* DEBUG_GCPRO */
1946 #endif /* GC_MARK_STACK != GC_MAKE_GCPROS_NOOPS */
1949 /* Evaluate expr, UNGCPRO, and then return the value of expr. */
1950 #define RETURN_UNGCPRO(expr) \
1953 Lisp_Object ret_ungc_val; \
1954 ret_ungc_val = (expr); \
1956 return ret_ungc_val; \
1960 /* Call staticpro (&var) to protect static variable `var'. */
1962 void staticpro
P_ ((Lisp_Object
*));
1964 /* Declare a Lisp-callable function. The MAXARGS parameter has the same
1965 meaning as in the DEFUN macro, and is used to construct a prototype. */
1966 #if (!defined (__STDC__) && !defined (PROTOTYPES)) \
1967 || defined (USE_NONANSI_DEFUN)
1968 #define EXFUN(fnname, maxargs) \
1969 extern Lisp_Object fnname ()
1971 /* We can use the same trick as in the DEFUN macro to generate the
1972 appropriate prototype. */
1973 #define EXFUN(fnname, maxargs) \
1974 extern Lisp_Object fnname DEFUN_ARGS_ ## maxargs
1977 /* Forward declarations for prototypes. */
1981 /* Defined in data.c */
1982 extern Lisp_Object Qnil
, Qt
, Qquote
, Qlambda
, Qsubr
, Qunbound
;
1983 extern Lisp_Object Qerror_conditions
, Qerror_message
, Qtop_level
;
1984 extern Lisp_Object Qerror
, Qquit
, Qwrong_type_argument
, Qargs_out_of_range
;
1985 extern Lisp_Object Qvoid_variable
, Qvoid_function
;
1986 extern Lisp_Object Qsetting_constant
, Qinvalid_read_syntax
;
1987 extern Lisp_Object Qinvalid_function
, Qwrong_number_of_arguments
, Qno_catch
;
1988 extern Lisp_Object Qend_of_file
, Qarith_error
;
1989 extern Lisp_Object Qbeginning_of_buffer
, Qend_of_buffer
, Qbuffer_read_only
;
1990 extern Lisp_Object Qmark_inactive
, Qtext_read_only
;
1992 extern Lisp_Object Qrange_error
, Qdomain_error
, Qsingularity_error
;
1993 extern Lisp_Object Qoverflow_error
, Qunderflow_error
;
1995 extern Lisp_Object Qintegerp
, Qnumberp
, Qnatnump
, Qwholenump
;
1996 extern Lisp_Object Qsymbolp
, Qlistp
, Qconsp
;
1997 extern Lisp_Object Qstringp
, Qarrayp
, Qsequencep
, Qbufferp
;
1998 extern Lisp_Object Qchar_or_string_p
, Qmarkerp
, Qvectorp
;
1999 extern Lisp_Object Qinteger_or_marker_p
, Qnumber_or_marker_p
;
2000 extern Lisp_Object Qchar_table_p
, Qvector_or_char_table_p
;
2001 extern Lisp_Object Qboundp
, Qfboundp
;
2002 extern Lisp_Object Qbuffer_or_string_p
;
2003 extern Lisp_Object Qcdr
;
2005 extern Lisp_Object Qfloatp
, Qinteger_or_floatp
, Qinteger_or_float_or_marker_p
;
2007 extern Lisp_Object Qframep
;
2009 extern void circular_list_error
P_ ((Lisp_Object
));
2017 EXFUN (Fintegerp
, 1);
2018 EXFUN (Fnatnump
, 1);
2019 EXFUN (Fsymbolp
, 1);
2020 EXFUN (Fvectorp
, 1);
2021 EXFUN (Fstringp
, 1);
2022 EXFUN (Fmultibyte_string_p
, 1);
2024 EXFUN (Fsequencep
, 1);
2025 EXFUN (Fbufferp
, 1);
2026 EXFUN (Fmarkerp
, 1);
2028 EXFUN (Fchar_or_string_p
, 1);
2029 EXFUN (Finteger_or_marker_p
, 1);
2031 EXFUN (Finteger_or_floatp
, 1);
2032 EXFUN (Finteger_or_float_or_marker_p
, 1);
2035 EXFUN (Fcar_safe
, 1);
2037 EXFUN (Fcdr_safe
, 1);
2041 EXFUN (Ffboundp
, 1);
2042 EXFUN (Fmakunbound
, 1);
2043 EXFUN (Ffmakunbound
, 1);
2044 EXFUN (Fsymbol_function
, 1);
2045 EXFUN (Fsymbol_plist
, 1);
2046 EXFUN (Fsymbol_name
, 1);
2047 extern Lisp_Object indirect_function
P_ ((Lisp_Object
));
2048 EXFUN (Findirect_function
, 1);
2050 EXFUN (Fsetplist
, 2);
2051 EXFUN (Fsymbol_value
, 1);
2052 extern Lisp_Object find_symbol_value
P_ ((Lisp_Object
));
2054 EXFUN (Fdefault_value
, 1);
2055 EXFUN (Fset_default
, 2);
2056 EXFUN (Fdefault_boundp
, 1);
2057 EXFUN (Fmake_local_variable
, 1);
2058 EXFUN (Flocal_variable_p
, 2);
2059 EXFUN (Flocal_variable_if_set_p
, 2);
2064 EXFUN (Fstring_to_number
, 2);
2065 EXFUN (Fnumber_to_string
, 1);
2066 EXFUN (Feqlsign
, 2);
2073 EXFUN (Fplus
, MANY
);
2074 EXFUN (Fminus
, MANY
);
2075 EXFUN (Ftimes
, MANY
);
2080 EXFUN (Flogand
, MANY
);
2081 EXFUN (Flogior
, MANY
);
2082 EXFUN (Flogxor
, MANY
);
2089 EXFUN (Fmake_variable_buffer_local
, 1);
2091 extern Lisp_Object indirect_variable
P_ ((Lisp_Object
));
2092 extern Lisp_Object long_to_cons
P_ ((unsigned long));
2093 extern unsigned long cons_to_long
P_ ((Lisp_Object
));
2094 extern void args_out_of_range
P_ ((Lisp_Object
, Lisp_Object
));
2095 extern void args_out_of_range_3
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
));
2096 extern Lisp_Object wrong_type_argument
P_ ((Lisp_Object
, Lisp_Object
));
2097 extern void store_symval_forwarding
P_ ((Lisp_Object
, Lisp_Object
,
2098 Lisp_Object
, struct buffer
*));
2099 extern Lisp_Object do_symval_forwarding
P_ ((Lisp_Object
));
2100 extern Lisp_Object set_internal
P_ ((Lisp_Object
, Lisp_Object
, struct buffer
*, int));
2101 extern void syms_of_data
P_ ((void));
2102 extern void init_data
P_ ((void));
2103 extern void swap_in_global_binding
P_ ((Lisp_Object
));
2105 /* Defined in cmds.c */
2106 EXFUN (Fend_of_line
, 1);
2107 EXFUN (Fforward_char
, 1);
2108 EXFUN (Fforward_line
, 1);
2109 extern int forward_point
P_ ((int));
2110 extern int internal_self_insert
P_ ((int, int));
2111 extern void syms_of_cmds
P_ ((void));
2112 extern void keys_of_cmds
P_ ((void));
2114 /* Defined in coding.c */
2115 EXFUN (Fcoding_system_p
, 1);
2116 EXFUN (Fcheck_coding_system
, 1);
2117 EXFUN (Fread_coding_system
, 2);
2118 EXFUN (Fread_non_nil_coding_system
, 1);
2119 EXFUN (Ffind_operation_coding_system
, MANY
);
2120 EXFUN (Fupdate_coding_systems_internal
, 0);
2121 EXFUN (Fencode_coding_string
, 3);
2122 EXFUN (Fdecode_coding_string
, 3);
2123 extern Lisp_Object detect_coding_system
P_ ((unsigned char *, int, int, int));
2124 Lisp_Object code_convert_string_norecord
P_ ((Lisp_Object
, Lisp_Object
, int));
2125 extern void init_coding
P_ ((void));
2126 extern void init_coding_once
P_ ((void));
2127 extern void syms_of_coding
P_ ((void));
2128 extern Lisp_Object code_convert_string_norecord
P_ ((Lisp_Object
, Lisp_Object
,
2131 /* Defined in charset.c */
2132 extern EMACS_INT nonascii_insert_offset
;
2133 extern Lisp_Object Vnonascii_translation_table
;
2134 EXFUN (Fchar_bytes
, 1);
2135 EXFUN (Fchar_width
, 1);
2136 EXFUN (Fstring
, MANY
);
2137 extern int chars_in_text
P_ ((unsigned char *, int));
2138 extern int multibyte_chars_in_text
P_ ((unsigned char *, int));
2139 extern int unibyte_char_to_multibyte
P_ ((int));
2140 extern int multibyte_char_to_unibyte
P_ ((int, Lisp_Object
));
2141 extern Lisp_Object Qcharset
;
2142 extern void init_charset_once
P_ ((void));
2143 extern void syms_of_charset
P_ ((void));
2145 /* Defined in syntax.c */
2146 EXFUN (Fforward_word
, 1);
2147 EXFUN (Fskip_chars_forward
, 2);
2148 EXFUN (Fskip_chars_backward
, 2);
2149 EXFUN (Fsyntax_table_p
, 1);
2150 EXFUN (Fsyntax_table
, 0);
2151 EXFUN (Fset_syntax_table
, 1);
2152 extern void init_syntax_once
P_ ((void));
2153 extern void syms_of_syntax
P_ ((void));
2155 /* Defined in fns.c */
2156 extern int use_dialog_box
;
2157 extern int next_almost_prime
P_ ((int));
2158 extern Lisp_Object larger_vector
P_ ((Lisp_Object
, int, Lisp_Object
));
2159 extern void sweep_weak_hash_tables
P_ ((void));
2160 extern Lisp_Object Qstring_lessp
;
2161 EXFUN (Foptimize_char_table
, 1);
2162 extern Lisp_Object Vfeatures
;
2163 extern Lisp_Object QCtest
, QCweakness
, Qequal
;
2164 unsigned sxhash
P_ ((Lisp_Object
, int));
2165 Lisp_Object make_hash_table
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
,
2166 Lisp_Object
, Lisp_Object
, Lisp_Object
,
2168 Lisp_Object copy_hash_table
P_ ((struct Lisp_Hash_Table
*));
2169 int hash_lookup
P_ ((struct Lisp_Hash_Table
*, Lisp_Object
, unsigned *));
2170 int hash_put
P_ ((struct Lisp_Hash_Table
*, Lisp_Object
, Lisp_Object
,
2172 void hash_remove
P_ ((struct Lisp_Hash_Table
*, Lisp_Object
));
2173 void hash_clear
P_ ((struct Lisp_Hash_Table
*));
2174 void remove_hash_entry
P_ ((struct Lisp_Hash_Table
*, int));
2175 extern void init_fns
P_ ((void));
2177 EXFUN (Fmake_hash_table
, MANY
);
2178 EXFUN (Fcopy_hash_table
, 1);
2179 EXFUN (Fhash_table_count
, 1);
2180 EXFUN (Fhash_table_rehash_size
, 1);
2181 EXFUN (Fhash_table_rehash_threshold
, 1);
2182 EXFUN (Fhash_table_size
, 1);
2183 EXFUN (Fhash_table_test
, 1);
2184 EXFUN (Fhash_table_weak
, 1);
2185 EXFUN (Fhash_table_p
, 1);
2186 EXFUN (Fclrhash
, 1);
2187 EXFUN (Fgethash
, 3);
2188 EXFUN (Fputhash
, 3);
2189 EXFUN (Fremhash
, 2);
2190 EXFUN (Fmaphash
, 2);
2191 EXFUN (Fdefine_hash_table_test
, 3);
2193 EXFUN (Fidentity
, 1);
2196 EXFUN (Fsafe_length
, 1);
2197 EXFUN (Fappend
, MANY
);
2198 EXFUN (Fconcat
, MANY
);
2199 EXFUN (Fvconcat
, MANY
);
2200 EXFUN (Fcopy_sequence
, 1);
2201 EXFUN (Fstring_make_multibyte
, 1);
2202 EXFUN (Fstring_make_unibyte
, 1);
2203 EXFUN (Fstring_as_multibyte
, 1);
2204 EXFUN (Fstring_as_unibyte
, 1);
2205 EXFUN (Fsubstring
, 3);
2206 extern Lisp_Object substring_both
P_ ((Lisp_Object
, int, int, int, int));
2217 EXFUN (Freverse
, 1);
2218 EXFUN (Fnreverse
, 1);
2222 EXFUN (Ffillarray
, 2);
2223 EXFUN (Fnconc
, MANY
);
2225 EXFUN (Fmapconcat
, 3);
2226 EXFUN (Fy_or_n_p
, 1);
2227 extern Lisp_Object do_yes_or_no_p
P_ ((Lisp_Object
));
2228 EXFUN (Frequire
, 3);
2229 EXFUN (Fprovide
, 2);
2230 extern Lisp_Object concat2
P_ ((Lisp_Object
, Lisp_Object
));
2231 extern Lisp_Object concat3
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
));
2232 extern Lisp_Object nconc2
P_ ((Lisp_Object
, Lisp_Object
));
2233 extern Lisp_Object assq_no_quit
P_ ((Lisp_Object
, Lisp_Object
));
2234 extern void clear_string_char_byte_cache
P_ ((void));
2235 extern int string_char_to_byte
P_ ((Lisp_Object
, int));
2236 extern int string_byte_to_char
P_ ((Lisp_Object
, int));
2237 extern Lisp_Object string_make_multibyte
P_ ((Lisp_Object
));
2238 extern Lisp_Object string_make_unibyte
P_ ((Lisp_Object
));
2239 EXFUN (Fcopy_alist
, 1);
2240 EXFUN (Fplist_get
, 2);
2241 EXFUN (Fplist_put
, 3);
2242 EXFUN (Fplist_member
, 2);
2243 EXFUN (Fset_char_table_parent
, 2);
2244 EXFUN (Fchar_table_extra_slot
, 2);
2245 EXFUN (Fset_char_table_extra_slot
, 3);
2247 EXFUN (Fstring_equal
, 2);
2248 EXFUN (Fcompare_strings
, 7);
2249 EXFUN (Fstring_lessp
, 2);
2250 extern int char_table_translate
P_ ((Lisp_Object
, int));
2251 extern void map_char_table
P_ ((void (*) (Lisp_Object
, Lisp_Object
, Lisp_Object
),
2252 Lisp_Object
, Lisp_Object
, Lisp_Object
, int,
2254 extern Lisp_Object char_table_ref_and_index
P_ ((Lisp_Object
, int, int *));
2255 extern void syms_of_fns
P_ ((void));
2257 /* Defined in floatfns.c */
2258 extern double extract_float
P_ ((Lisp_Object
));
2260 EXFUN (Ftruncate
, 2);
2261 extern void init_floatfns
P_ ((void));
2262 extern void syms_of_floatfns
P_ ((void));
2264 /* Defined in insdel.c */
2265 extern Lisp_Object Qinhibit_modification_hooks
;
2266 extern void move_gap
P_ ((int));
2267 extern void move_gap_both
P_ ((int, int));
2268 extern void make_gap
P_ ((int));
2269 extern int copy_text
P_ ((unsigned char *, unsigned char *, int, int, int));
2270 extern int count_size_as_multibyte
P_ ((unsigned char *, int));
2271 extern int count_combining_before
P_ ((unsigned char *, int, int, int));
2272 extern int count_combining_after
P_ ((unsigned char *, int, int, int));
2273 extern void insert
P_ ((unsigned char *, int));
2274 extern void insert_and_inherit
P_ ((unsigned char *, int));
2275 extern void insert_1
P_ ((unsigned char *, int, int, int, int));
2276 extern void insert_1_both
P_ ((unsigned char *, int, int, int, int, int));
2277 extern void insert_from_string
P_ ((Lisp_Object
, int, int, int, int, int));
2278 extern void insert_from_buffer
P_ ((struct buffer
*, int, int, int));
2279 extern void insert_char
P_ ((int));
2280 extern void insert_string
P_ ((char *));
2281 extern void insert_before_markers
P_ ((unsigned char *, int));
2282 extern void insert_before_markers_and_inherit
P_ ((unsigned char *, int));
2283 extern void insert_from_string_before_markers
P_ ((Lisp_Object
, int, int, int, int, int));
2284 extern void del_range
P_ ((int, int));
2285 extern Lisp_Object del_range_1
P_ ((int, int, int, int));
2286 extern void del_range_byte
P_ ((int, int, int));
2287 extern void del_range_both
P_ ((int, int, int, int, int));
2288 extern Lisp_Object del_range_2
P_ ((int, int, int, int, int));
2289 extern void modify_region
P_ ((struct buffer
*, int, int));
2290 extern void prepare_to_modify_buffer
P_ ((int, int, int *));
2291 extern void signal_before_change
P_ ((int, int, int *));
2292 extern void signal_after_change
P_ ((int, int, int));
2293 extern void adjust_after_replace
P_ ((int, int, Lisp_Object
, int, int));
2294 extern void adjust_after_replace_noundo
P_ ((int, int, int, int, int, int));
2295 extern void adjust_after_insert
P_ ((int, int, int, int, int));
2296 extern void replace_range
P_ ((int, int, Lisp_Object
, int, int, int));
2297 extern void syms_of_insdel
P_ ((void));
2299 /* Defined in dispnew.c */
2300 extern Lisp_Object selected_frame
;
2301 extern EMACS_INT baud_rate
;
2303 EXFUN (Fredraw_frame
, 1);
2304 EXFUN (Fredraw_display
, 0);
2305 EXFUN (Fsleep_for
, 2);
2306 EXFUN (Fsit_for
, 3);
2307 extern Lisp_Object sit_for
P_ ((int, int, int, int, int));
2308 extern void init_display
P_ ((void));
2309 extern void syms_of_display
P_ ((void));
2310 extern void safe_bcopy
P_ ((char *, char *, int));
2312 /* Defined in xdisp.c */
2313 extern Lisp_Object Qinhibit_point_motion_hooks
;
2314 extern Lisp_Object Qinhibit_redisplay
, Qdisplay
;
2315 extern Lisp_Object Qinhibit_eval_during_redisplay
;
2316 extern Lisp_Object Qmessage_truncate_lines
;
2317 extern Lisp_Object Qcursor_in_non_selected_windows
;
2318 extern Lisp_Object Vmessage_log_max
;
2319 extern int message_enable_multibyte
;
2320 extern Lisp_Object echo_area_buffer
[2];
2321 extern void check_message_stack
P_ ((void));
2322 extern void setup_echo_area_for_printing
P_ ((int));
2323 extern int push_message
P_ ((void));
2324 extern Lisp_Object push_message_unwind
P_ ((Lisp_Object
));
2325 extern void pop_message
P_ ((void));
2326 extern void restore_message
P_ ((void));
2327 extern Lisp_Object current_message
P_ ((void));
2328 extern void set_message
P_ ((char *s
, Lisp_Object
, int, int));
2329 extern void clear_message
P_ ((int, int));
2330 extern void message
P_ ((/* char *, ... */));
2331 extern void message_nolog
P_ ((/* char *, ... */));
2332 extern void message1
P_ ((char *));
2333 extern void message1_nolog
P_ ((char *));
2334 extern void message2
P_ ((char *, int, int));
2335 extern void message2_nolog
P_ ((char *, int, int));
2336 extern void message3
P_ ((Lisp_Object
, int, int));
2337 extern void message3_nolog
P_ ((Lisp_Object
, int, int));
2338 extern void message_dolog
P_ ((char *, int, int, int));
2339 extern void message_with_string
P_ ((char *, Lisp_Object
, int));
2340 extern void message_log_maybe_newline
P_ ((void));
2341 extern void update_echo_area
P_ ((void));
2342 extern void truncate_echo_area
P_ ((int));
2343 extern void redisplay
P_ ((void));
2344 extern int check_point_in_composition
2345 P_ ((struct buffer
*, int, struct buffer
*, int));
2346 extern void redisplay_preserve_echo_area
P_ ((int));
2347 extern void mark_window_display_accurate
P_ ((Lisp_Object
, int));
2348 extern void prepare_menu_bars
P_ ((void));
2349 extern void syms_of_xdisp
P_ ((void));
2350 extern void init_xdisp
P_ ((void));
2351 extern Lisp_Object safe_eval
P_ ((Lisp_Object
));
2352 extern int pos_visible_p
P_ ((struct window
*, int, int *, int));
2354 /* Defined in vm-limit.c. */
2355 extern void memory_warnings
P_ ((POINTER_TYPE
*, void (*warnfun
) ()));
2357 /* Defined in alloc.c */
2358 extern void check_pure_size
P_ ((void));
2359 extern void allocate_string_data
P_ ((struct Lisp_String
*, int, int));
2360 extern void uninterrupt_malloc
P_ ((void));
2361 extern void malloc_warning
P_ ((char *));
2362 extern void memory_full
P_ ((void));
2363 extern void buffer_memory_full
P_ ((void));
2364 extern int survives_gc_p
P_ ((Lisp_Object
));
2365 extern void mark_object
P_ ((Lisp_Object
*));
2366 extern Lisp_Object Vpurify_flag
;
2372 EXFUN (Flist
, MANY
);
2373 EXFUN (Fmake_list
, 2);
2374 extern Lisp_Object allocate_misc
P_ ((void));
2375 EXFUN (Fmake_vector
, 2);
2376 EXFUN (Fvector
, MANY
);
2377 EXFUN (Fmake_symbol
, 1);
2378 EXFUN (Fmake_marker
, 0);
2379 EXFUN (Fmake_string
, 2);
2380 extern Lisp_Object build_string
P_ ((char *));
2381 extern Lisp_Object make_string
P_ ((char *, int));
2382 extern Lisp_Object make_unibyte_string
P_ ((char *, int));
2383 extern Lisp_Object make_multibyte_string
P_ ((char *, int, int));
2384 extern Lisp_Object make_event_array
P_ ((int, Lisp_Object
*));
2385 extern Lisp_Object make_uninit_string
P_ ((int));
2386 extern Lisp_Object make_uninit_multibyte_string
P_ ((int, int));
2387 extern Lisp_Object make_string_from_bytes
P_ ((char *, int, int));
2388 extern Lisp_Object make_specified_string
P_ ((char *, int, int, int));
2389 EXFUN (Fpurecopy
, 1);
2390 extern Lisp_Object make_pure_string
P_ ((char *, int, int, int));
2391 extern Lisp_Object pure_cons
P_ ((Lisp_Object
, Lisp_Object
));
2392 extern Lisp_Object make_pure_vector
P_ ((EMACS_INT
));
2393 EXFUN (Fgarbage_collect
, 0);
2394 EXFUN (Fmake_byte_code
, MANY
);
2395 EXFUN (Fmake_bool_vector
, 2);
2396 EXFUN (Fmake_char_table
, 2);
2397 extern Lisp_Object make_sub_char_table
P_ ((Lisp_Object
));
2398 extern Lisp_Object Qchar_table_extra_slots
;
2399 extern struct Lisp_Vector
*allocate_vector
P_ ((EMACS_INT
));
2400 extern struct Lisp_Vector
*allocate_other_vector
P_ ((EMACS_INT
));
2401 extern struct Lisp_Hash_Table
*allocate_hash_table
P_ ((void));
2402 extern struct window
*allocate_window
P_ ((void));
2403 extern struct frame
*allocate_frame
P_ ((void));
2404 extern struct Lisp_Process
*allocate_process
P_ ((void));
2405 extern int gc_in_progress
;
2406 extern Lisp_Object make_float
P_ ((double));
2407 extern void display_malloc_warning
P_ ((void));
2408 extern int inhibit_garbage_collection
P_ ((void));
2409 extern void free_marker
P_ ((Lisp_Object
));
2410 extern void free_cons
P_ ((struct Lisp_Cons
*));
2411 extern void init_alloc_once
P_ ((void));
2412 extern void init_alloc
P_ ((void));
2413 extern void syms_of_alloc
P_ ((void));
2414 extern struct buffer
* allocate_buffer
P_ ((void));
2416 /* Defined in print.c */
2417 extern Lisp_Object Vprin1_to_string_buffer
;
2418 extern void debug_print
P_ ((Lisp_Object
));
2420 EXFUN (Fprin1_to_string
, 2);
2424 EXFUN (Ferror_message_string
, 1);
2425 extern Lisp_Object Vstandard_output
, Qstandard_output
;
2426 extern Lisp_Object Qexternal_debugging_output
;
2427 extern void temp_output_buffer_setup
P_ ((char *));
2428 extern int print_level
, print_escape_newlines
;
2429 extern Lisp_Object Qprint_escape_newlines
;
2430 extern void write_string
P_ ((char *, int));
2431 extern void write_string_1
P_ ((char *, int, Lisp_Object
));
2432 extern void print_error_message
P_ ((Lisp_Object
, Lisp_Object
));
2433 extern Lisp_Object internal_with_output_to_temp_buffer
2434 P_ ((char *, Lisp_Object (*) (Lisp_Object
), Lisp_Object
));
2435 extern void float_to_string
P_ ((unsigned char *, double));
2436 extern void syms_of_print
P_ ((void));
2438 /* Defined in doprnt.c */
2439 extern int doprnt
P_ ((char *, int, char *, char *, int, char **));
2440 extern int doprnt_lisp
P_ ((char *, int, char *, char *, int, char **));
2442 /* Defined in lread.c */
2443 extern Lisp_Object Qvariable_documentation
, Qstandard_input
;
2444 extern Lisp_Object Vobarray
, initial_obarray
, Vstandard_input
;
2446 EXFUN (Fread_from_string
, 3);
2448 EXFUN (Fintern_soft
, 2);
2450 EXFUN (Fget_file_char
, 0);
2451 EXFUN (Fread_char
, 2);
2452 EXFUN (Fread_event
, 2);
2453 extern Lisp_Object read_filtered_event
P_ ((int, int, int, int));
2454 EXFUN (Feval_region
, 4);
2455 extern Lisp_Object intern
P_ ((char *));
2456 extern Lisp_Object make_symbol
P_ ((char *));
2457 extern Lisp_Object oblookup
P_ ((Lisp_Object
, char *, int, int));
2458 #define LOADHIST_ATTACH(x) \
2459 if (initialized) Vcurrent_load_list = Fcons (x, Vcurrent_load_list)
2460 extern Lisp_Object Vcurrent_load_list
;
2461 extern Lisp_Object Vload_history
, Vload_suffixes
;
2462 extern int openp
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
,
2463 Lisp_Object
*, int));
2464 extern int isfloat_string
P_ ((char *));
2465 extern void map_obarray
P_ ((Lisp_Object
, void (*) (Lisp_Object
, Lisp_Object
),
2467 extern void dir_warning
P_ ((char *, Lisp_Object
));
2468 extern void close_load_descs
P_ ((void));
2469 extern void init_obarray
P_ ((void));
2470 extern void init_lread
P_ ((void));
2471 extern void syms_of_lread
P_ ((void));
2473 /* Defined in eval.c */
2474 extern Lisp_Object Qautoload
, Qexit
, Qinteractive
, Qcommandp
, Qdefun
, Qmacro
;
2475 extern Lisp_Object Vinhibit_quit
, Qinhibit_quit
, Vquit_flag
;
2476 extern Lisp_Object Vautoload_queue
;
2477 extern Lisp_Object Vdebug_on_error
;
2478 extern Lisp_Object Vsignaling_function
;
2479 extern int handling_signal
;
2480 extern int interactive_p
P_ ((int));
2482 /* To run a normal hook, use the appropriate function from the list below.
2483 The calling convention:
2485 if (!NILP (Vrun_hooks))
2486 call1 (Vrun_hooks, Qmy_funny_hook);
2488 should no longer be used. */
2489 extern Lisp_Object Vrun_hooks
;
2490 EXFUN (Frun_hooks
, MANY
);
2491 EXFUN (Frun_hook_with_args
, MANY
);
2492 EXFUN (Frun_hook_with_args_until_success
, MANY
);
2493 EXFUN (Frun_hook_with_args_until_failure
, MANY
);
2494 extern Lisp_Object run_hook_list_with_args
P_ ((Lisp_Object
, int, Lisp_Object
*));
2495 extern void run_hook_with_args_2
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
));
2496 EXFUN (Fand
, UNEVALLED
);
2497 EXFUN (For
, UNEVALLED
);
2498 EXFUN (Fif
, UNEVALLED
);
2499 EXFUN (Fprogn
, UNEVALLED
);
2500 EXFUN (Fprog1
, UNEVALLED
);
2501 EXFUN (Fprog2
, UNEVALLED
);
2502 EXFUN (Fsetq
, UNEVALLED
);
2503 EXFUN (Fquote
, UNEVALLED
);
2504 EXFUN (Fuser_variable_p
, 1);
2505 EXFUN (Finteractive_p
, 0);
2506 EXFUN (Fdefun
, UNEVALLED
);
2507 EXFUN (Flet
, UNEVALLED
);
2508 EXFUN (FletX
, UNEVALLED
);
2509 EXFUN (Fwhile
, UNEVALLED
);
2510 EXFUN (Fcatch
, UNEVALLED
);
2511 EXFUN (Fthrow
, 2) NO_RETURN
;
2512 EXFUN (Funwind_protect
, UNEVALLED
);
2513 EXFUN (Fcondition_case
, UNEVALLED
);
2515 EXFUN (Fautoload
, 5);
2516 EXFUN (Fcommandp
, 1);
2518 EXFUN (Fapply
, MANY
);
2519 EXFUN (Ffuncall
, MANY
);
2520 EXFUN (Fbacktrace
, 0);
2521 extern Lisp_Object apply1
P_ ((Lisp_Object
, Lisp_Object
));
2522 extern Lisp_Object call0
P_ ((Lisp_Object
));
2523 extern Lisp_Object call1
P_ ((Lisp_Object
, Lisp_Object
));
2524 extern Lisp_Object call2
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
));
2525 extern Lisp_Object call3
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
));
2526 extern Lisp_Object call4
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
));
2527 extern Lisp_Object call5
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
));
2528 extern Lisp_Object call6
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
));
2529 EXFUN (Fdo_auto_save
, 2);
2530 extern Lisp_Object apply_lambda
P_ ((Lisp_Object
, Lisp_Object
, int));
2531 extern Lisp_Object internal_catch
P_ ((Lisp_Object
, Lisp_Object (*) (Lisp_Object
), Lisp_Object
));
2532 extern Lisp_Object internal_condition_case
P_ ((Lisp_Object (*) (void), Lisp_Object
, Lisp_Object (*) (Lisp_Object
)));
2533 extern Lisp_Object internal_condition_case_1
P_ ((Lisp_Object (*) (Lisp_Object
), Lisp_Object
, Lisp_Object
, Lisp_Object (*) (Lisp_Object
)));
2534 extern Lisp_Object internal_condition_case_2
P_ ((Lisp_Object (*) (int, Lisp_Object
*), int, Lisp_Object
*, Lisp_Object
, Lisp_Object (*) (Lisp_Object
)));
2535 extern void specbind
P_ ((Lisp_Object
, Lisp_Object
));
2536 extern void record_unwind_protect
P_ ((Lisp_Object (*) (Lisp_Object
), Lisp_Object
));
2537 extern Lisp_Object unbind_to
P_ ((int, Lisp_Object
));
2538 extern void error
P_ ((/* char *, ... */)) NO_RETURN
;
2539 extern void do_autoload
P_ ((Lisp_Object
, Lisp_Object
));
2540 extern Lisp_Object un_autoload
P_ ((Lisp_Object
));
2541 EXFUN (Ffetch_bytecode
, 1);
2542 extern void init_eval_once
P_ ((void));
2543 extern Lisp_Object safe_call
P_ ((int, Lisp_Object
*));
2544 extern Lisp_Object safe_call1
P_ ((Lisp_Object
, Lisp_Object
));
2545 extern void init_eval
P_ ((void));
2546 extern void syms_of_eval
P_ ((void));
2548 /* Defined in editfns.c */
2549 EXFUN (Fcurrent_message
, 0);
2550 EXFUN (Fgoto_char
, 1);
2551 EXFUN (Fpoint_min_marker
, 0);
2552 EXFUN (Fpoint_max_marker
, 0);
2553 EXFUN (Fpoint_min
, 0);
2554 EXFUN (Fpoint_max
, 0);
2556 EXFUN (Fpoint_marker
, 0);
2557 EXFUN (Fmark_marker
, 0);
2558 EXFUN (Fline_beginning_position
, 1);
2559 EXFUN (Fline_end_position
, 1);
2560 EXFUN (Ffollowing_char
, 0);
2561 EXFUN (Fprevious_char
, 0);
2562 EXFUN (Fchar_after
, 1);
2563 EXFUN (Finsert
, MANY
);
2564 EXFUN (Finsert_and_inherit
, MANY
);
2565 EXFUN (Finsert_before_markers
, MANY
);
2566 EXFUN (Finsert_buffer_substring
, 3);
2567 EXFUN (Finsert_char
, 3);
2568 extern void insert1
P_ ((Lisp_Object
));
2573 EXFUN (Fformat
, MANY
);
2574 EXFUN (Fmessage
, MANY
);
2575 extern Lisp_Object format1
P_ ((/* char *, ... */));
2576 extern Lisp_Object make_buffer_string
P_ ((int, int, int));
2577 EXFUN (Fbuffer_substring
, 2);
2578 EXFUN (Fbuffer_string
, 0);
2579 extern Lisp_Object save_excursion_save
P_ ((void));
2580 extern Lisp_Object save_restriction_save
P_ ((void));
2581 extern Lisp_Object save_excursion_restore
P_ ((Lisp_Object
));
2582 extern Lisp_Object save_restriction_restore
P_ ((Lisp_Object
));
2583 EXFUN (Fchar_to_string
, 1);
2584 EXFUN (Fdelete_region
, 2);
2585 EXFUN (Fnarrow_to_region
, 2);
2587 EXFUN (Fuser_login_name
, 1);
2588 EXFUN (Fsystem_name
, 0);
2589 EXFUN (Fcurrent_time
, 0);
2590 extern int clip_to_bounds
P_ ((int, int, int));
2591 extern Lisp_Object make_buffer_string
P_ ((int, int, int));
2592 extern Lisp_Object make_buffer_string_both
P_ ((int, int, int, int, int));
2593 extern void init_editfns
P_ ((void));
2594 extern void syms_of_editfns
P_ ((void));
2595 EXFUN (Fcurrent_message
, 0);
2596 extern Lisp_Object Vinhibit_field_text_motion
;
2597 EXFUN (Fconstrain_to_field
, 5);
2598 EXFUN (Ffield_string
, 1);
2599 EXFUN (Fdelete_field
, 1);
2600 EXFUN (Ffield_beginning
, 3);
2601 EXFUN (Ffield_end
, 3);
2602 EXFUN (Ffield_string_no_properties
, 1);
2603 extern void set_time_zone_rule
P_ ((char *));
2605 /* defined in buffer.c */
2606 extern int mouse_face_overlay_overlaps
P_ ((Lisp_Object
));
2607 extern void nsberror
P_ ((Lisp_Object
));
2608 extern char *no_switch_window
P_ ((Lisp_Object window
));
2609 EXFUN (Fset_buffer_multibyte
, 1);
2610 EXFUN (Foverlay_start
, 1);
2611 EXFUN (Foverlay_end
, 1);
2612 extern void adjust_overlays_for_insert
P_ ((int, int));
2613 extern void adjust_overlays_for_delete
P_ ((int, int));
2614 extern void fix_overlays_in_range
P_ ((int, int));
2615 extern void report_overlay_modification
P_ ((Lisp_Object
, Lisp_Object
, int,
2616 Lisp_Object
, Lisp_Object
, Lisp_Object
));
2617 extern int overlay_touches_p
P_ ((int));
2618 extern Lisp_Object Vbuffer_alist
, Vinhibit_read_only
;
2619 EXFUN (Fget_buffer
, 1);
2620 EXFUN (Fget_buffer_create
, 1);
2621 EXFUN (Fset_buffer
, 1);
2622 EXFUN (set_buffer_if_live
, 1);
2623 EXFUN (Fbarf_if_buffer_read_only
, 0);
2624 EXFUN (Fcurrent_buffer
, 0);
2625 EXFUN (Fswitch_to_buffer
, 2);
2626 EXFUN (Fpop_to_buffer
, 3);
2627 EXFUN (Fother_buffer
, 3);
2628 EXFUN (Foverlay_get
, 2);
2629 EXFUN (Fbuffer_modified_p
, 1);
2630 EXFUN (Fset_buffer_modified_p
, 1);
2631 EXFUN (Fkill_buffer
, 1);
2632 EXFUN (Fkill_all_local_variables
, 0);
2633 EXFUN (Fbuffer_disable_undo
, 1);
2634 EXFUN (Fbuffer_enable_undo
, 1);
2635 EXFUN (Ferase_buffer
, 0);
2636 extern Lisp_Object Qoverlayp
;
2637 extern Lisp_Object get_truename_buffer
P_ ((Lisp_Object
));
2638 extern struct buffer
*all_buffers
;
2639 EXFUN (Fprevious_overlay_change
, 1);
2640 EXFUN (Fbuffer_file_name
, 1);
2641 extern void init_buffer_once
P_ ((void));
2642 extern void init_buffer
P_ ((void));
2643 extern void syms_of_buffer
P_ ((void));
2644 extern void keys_of_buffer
P_ ((void));
2646 /* defined in marker.c */
2648 EXFUN (Fmarker_position
, 1);
2649 EXFUN (Fmarker_buffer
, 1);
2650 EXFUN (Fcopy_marker
, 2);
2651 EXFUN (Fset_marker
, 3);
2652 extern int marker_position
P_ ((Lisp_Object
));
2653 extern int marker_byte_position
P_ ((Lisp_Object
));
2654 extern void clear_charpos_cache
P_ ((struct buffer
*));
2655 extern int charpos_to_bytepos
P_ ((int));
2656 extern int buf_charpos_to_bytepos
P_ ((struct buffer
*, int));
2657 extern int buf_bytepos_to_charpos
P_ ((struct buffer
*, int));
2658 extern void unchain_marker
P_ ((Lisp_Object
));
2659 extern Lisp_Object set_marker_restricted
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
));
2660 extern Lisp_Object set_marker_both
P_ ((Lisp_Object
, Lisp_Object
, int, int));
2661 extern Lisp_Object set_marker_restricted_both
P_ ((Lisp_Object
, Lisp_Object
,
2663 extern void syms_of_marker
P_ ((void));
2665 /* Defined in fileio.c */
2667 extern Lisp_Object Qfile_error
;
2668 EXFUN (Ffind_file_name_handler
, 2);
2669 EXFUN (Ffile_name_as_directory
, 1);
2670 EXFUN (Fmake_temp_name
, 1);
2671 EXFUN (Fexpand_file_name
, 2);
2672 EXFUN (Ffile_name_nondirectory
, 1);
2673 EXFUN (Fsubstitute_in_file_name
, 1);
2674 EXFUN (Ffile_symlink_p
, 1);
2675 EXFUN (Fverify_visited_file_modtime
, 1);
2676 EXFUN (Ffile_exists_p
, 1);
2677 EXFUN (Ffile_name_absolute_p
, 1);
2678 EXFUN (Fdirectory_file_name
, 1);
2679 EXFUN (Ffile_name_directory
, 1);
2680 extern Lisp_Object expand_and_dir_to_file
P_ ((Lisp_Object
, Lisp_Object
));
2681 EXFUN (Ffile_accessible_directory_p
, 1);
2682 EXFUN (Funhandled_file_name_directory
, 1);
2683 EXFUN (Ffile_directory_p
, 1);
2684 EXFUN (Fwrite_region
, 7);
2685 EXFUN (Ffile_readable_p
, 1);
2686 EXFUN (Ffile_executable_p
, 1);
2687 EXFUN (Fread_file_name
, 5);
2688 extern Lisp_Object close_file_unwind
P_ ((Lisp_Object
));
2689 extern void report_file_error
P_ ((char *, Lisp_Object
));
2690 extern int internal_delete_file
P_ ((Lisp_Object
));
2691 extern void syms_of_fileio
P_ ((void));
2692 EXFUN (Fmake_temp_name
, 1);
2693 extern void init_fileio_once
P_ ((void));
2694 extern Lisp_Object make_temp_name
P_ ((Lisp_Object
, int));
2696 /* Defined in abbrev.c */
2698 extern Lisp_Object Vfundamental_mode_abbrev_table
;
2699 extern void syms_of_abbrev
P_ ((void));
2701 /* defined in search.c */
2702 extern void shrink_regexp_cache
P_ ((void));
2703 EXFUN (Fstring_match
, 3);
2704 extern void restore_match_data
P_ ((void));
2705 EXFUN (Fmatch_data
, 2);
2706 EXFUN (Fset_match_data
, 1);
2707 EXFUN (Fmatch_beginning
, 1);
2708 EXFUN (Fmatch_end
, 1);
2709 EXFUN (Flooking_at
, 1);
2710 extern int fast_string_match
P_ ((Lisp_Object
, Lisp_Object
));
2711 extern int fast_c_string_match_ignore_case
P_ ((Lisp_Object
, char *));
2712 extern int scan_buffer
P_ ((int, int, int, int, int *, int));
2713 extern int scan_newline
P_ ((int, int, int, int, int, int));
2714 extern int find_next_newline
P_ ((int, int));
2715 extern int find_next_newline_no_quit
P_ ((int, int));
2716 extern int find_before_next_newline
P_ ((int, int, int));
2717 extern void syms_of_search
P_ ((void));
2719 /* defined in minibuf.c */
2721 extern Lisp_Object last_minibuf_string
;
2722 extern void choose_minibuf_frame
P_ ((void));
2723 EXFUN (Fcompleting_read
, 8);
2724 EXFUN (Fread_from_minibuffer
, 7);
2725 EXFUN (Fread_variable
, 2);
2726 EXFUN (Fread_buffer
, 3);
2727 EXFUN (Fread_minibuffer
, 2);
2728 EXFUN (Feval_minibuffer
, 2);
2729 EXFUN (Fread_string
, 5);
2730 EXFUN (Fread_no_blanks_input
, 3);
2731 extern Lisp_Object get_minibuffer
P_ ((int));
2732 extern void temp_echo_area_glyphs
P_ ((char *));
2733 extern void init_minibuf_once
P_ ((void));
2734 extern void syms_of_minibuf
P_ ((void));
2735 extern void keys_of_minibuf
P_ ((void));
2737 /* Defined in callint.c */
2739 extern Lisp_Object Qminus
, Qplus
, Vcurrent_prefix_arg
;
2740 extern Lisp_Object Vcommand_history
;
2741 extern Lisp_Object Qcall_interactively
, Qmouse_leave_buffer_hook
;
2742 EXFUN (Fcall_interactively
, 3);
2743 EXFUN (Fprefix_numeric_value
, 1);
2744 extern void syms_of_callint
P_ ((void));
2746 /* defined in casefiddle.c */
2748 EXFUN (Fdowncase
, 1);
2750 EXFUN (Fcapitalize
, 1);
2751 EXFUN (Fupcase_region
, 2);
2752 EXFUN (Fupcase_initials
, 1);
2753 EXFUN (Fupcase_initials_region
, 2);
2754 extern void syms_of_casefiddle
P_ ((void));
2755 extern void keys_of_casefiddle
P_ ((void));
2757 /* defined in casetab.c */
2759 EXFUN (Fset_case_table
, 1);
2760 EXFUN (Fset_standard_case_table
, 1);
2761 extern void init_casetab_once
P_ ((void));
2762 extern void syms_of_casetab
P_ ((void));
2764 /* defined in keyboard.c */
2767 extern Lisp_Object echo_message_buffer
;
2768 extern struct kboard
*echo_kboard
;
2769 extern void cancel_echoing
P_ ((void));
2770 extern Lisp_Object Qdisabled
, QCfilter
;
2771 extern Lisp_Object Vtty_erase_char
, Vhelp_form
, Vtop_level
;
2772 extern int input_pending
;
2773 EXFUN (Fdiscard_input
, 0);
2774 EXFUN (Frecursive_edit
, 0);
2775 EXFUN (Ftop_level
, 0);
2776 EXFUN (Fcommand_execute
, 4);
2777 EXFUN (Finput_pending_p
, 0);
2778 extern Lisp_Object menu_bar_items
P_ ((Lisp_Object
));
2779 extern Lisp_Object tool_bar_items
P_ ((Lisp_Object
, int *));
2780 extern Lisp_Object Qvertical_scroll_bar
;
2781 extern void discard_mouse_events
P_ ((void));
2782 EXFUN (Fevent_convert_list
, 1);
2783 EXFUN (Fread_key_sequence
, 5);
2784 EXFUN (Fset_input_mode
, 4);
2785 extern int detect_input_pending
P_ ((void));
2786 extern int detect_input_pending_run_timers
P_ ((int));
2787 extern void safe_run_hooks
P_ ((Lisp_Object
));
2788 extern void cmd_error_internal
P_ ((Lisp_Object
, char *));
2789 extern Lisp_Object command_loop_1
P_ ((void));
2790 extern Lisp_Object recursive_edit_1
P_ ((void));
2791 extern void record_auto_save
P_ ((void));
2792 extern void init_keyboard
P_ ((void));
2793 extern void syms_of_keyboard
P_ ((void));
2794 extern void keys_of_keyboard
P_ ((void));
2795 extern char *push_key_description
P_ ((unsigned int, char *, int));
2798 /* defined in indent.c */
2799 EXFUN (Fvertical_motion
, 2);
2800 EXFUN (Findent_to
, 2);
2801 EXFUN (Fcurrent_column
, 0);
2802 EXFUN (Fmove_to_column
, 2);
2803 extern int current_column
P_ ((void));
2804 extern void invalidate_current_column
P_ ((void));
2805 extern int indented_beyond_p
P_ ((int, int, int));
2806 extern void syms_of_indent
P_ ((void));
2808 /* defined in window.c */
2809 extern Lisp_Object Qwindowp
, Qwindow_live_p
;
2810 extern Lisp_Object Vwindow_list
;
2811 EXFUN (Fwindow_end
, 2);
2812 EXFUN (Fselected_window
, 0);
2813 EXFUN (Fnext_window
, 3);
2814 EXFUN (Fdelete_window
, 1);
2815 EXFUN (Fselect_window
, 1);
2816 EXFUN (Fset_window_buffer
, 2);
2817 EXFUN (Fwindow_buffer
, 1);
2818 EXFUN (Fget_buffer_window
, 2);
2819 EXFUN (Fsave_window_excursion
, UNEVALLED
);
2820 EXFUN (Fsplit_window
, 3);
2821 EXFUN (Fset_window_configuration
, 1);
2822 EXFUN (Fcurrent_window_configuration
, 1);
2823 extern int compare_window_configurations
P_ ((Lisp_Object
, Lisp_Object
, int));
2824 EXFUN (Fcoordinates_in_window_p
, 2);
2825 EXFUN (Fwindow_at
, 3);
2826 EXFUN (Fpos_visible_in_window_p
, 3);
2827 extern void mark_window_cursors_off
P_ ((struct window
*));
2828 extern int window_internal_height
P_ ((struct window
*));
2829 extern int window_internal_width
P_ ((struct window
*));
2830 EXFUN (Frecenter
, 1);
2831 EXFUN (Fscroll_other_window
, 1);
2832 EXFUN (Fset_window_start
, 3);
2833 extern void temp_output_buffer_show
P_ ((Lisp_Object
));
2834 extern void replace_buffer_in_all_windows
P_ ((Lisp_Object
));
2835 extern void init_window_once
P_ ((void));
2836 extern void init_window
P_ ((void));
2837 extern void syms_of_window
P_ ((void));
2838 extern void keys_of_window
P_ ((void));
2840 /* defined in frame.c */
2841 extern Lisp_Object Qvisible
;
2842 extern void store_frame_param
P_ ((struct frame
*, Lisp_Object
, Lisp_Object
));
2843 extern void store_in_alist
P_ ((Lisp_Object
*, Lisp_Object
, Lisp_Object
));
2844 extern Lisp_Object do_switch_frame
P_ ((Lisp_Object
, int, int));
2845 extern Lisp_Object get_frame_param
P_ ((struct frame
*, Lisp_Object
));
2846 extern Lisp_Object frame_buffer_predicate
P_ ((Lisp_Object
));
2848 EXFUN (Fselect_frame
, 2);
2849 EXFUN (Fselected_frame
, 0);
2850 EXFUN (Fwindow_frame
, 1);
2851 EXFUN (Fframe_root_window
, 1);
2852 EXFUN (Fframe_first_window
, 1);
2853 EXFUN (Fframe_selected_window
, 1);
2854 EXFUN (Fframe_list
, 0);
2855 EXFUN (Fnext_frame
, 2);
2856 EXFUN (Fdelete_frame
, 2);
2857 EXFUN (Fset_mouse_position
, 3);
2858 EXFUN (Fmake_frame_visible
, 1);
2859 EXFUN (Fmake_frame_invisible
, 2);
2860 EXFUN (Ficonify_frame
, 1);
2861 EXFUN (Fframe_visible_p
, 1);
2862 EXFUN (Fvisible_frame_list
, 0);
2863 EXFUN (Fframe_parameter
, 2);
2864 EXFUN (Fframe_parameters
, 1);
2865 EXFUN (Fmodify_frame_parameters
, 2);
2866 EXFUN (Fset_frame_height
, 3);
2867 EXFUN (Fset_frame_width
, 3);
2868 EXFUN (Fset_frame_size
, 3);
2869 EXFUN (Fset_frame_position
, 3);
2870 EXFUN (Fraise_frame
, 1);
2871 EXFUN (Fredirect_frame_focus
, 2);
2872 EXFUN (Fset_frame_selected_window
, 2);
2873 extern Lisp_Object frame_buffer_list
P_ ((Lisp_Object
));
2874 extern void frames_discard_buffer
P_ ((Lisp_Object
));
2875 extern void set_frame_buffer_list
P_ ((Lisp_Object
, Lisp_Object
));
2876 extern void frames_bury_buffer
P_ ((Lisp_Object
));
2877 extern void syms_of_frame
P_ ((void));
2879 /* defined in emacs.c */
2880 extern Lisp_Object decode_env_path
P_ ((char *, char *));
2881 extern Lisp_Object Vinvocation_name
, Vinvocation_directory
;
2882 extern Lisp_Object Vinstallation_directory
, empty_string
;
2883 EXFUN (Fkill_emacs
, 1);
2885 void fixup_locale
P_ ((void));
2886 void synchronize_system_messages_locale
P_ ((void));
2887 void synchronize_system_time_locale
P_ ((void));
2889 #define setlocale(category, locale)
2890 #define fixup_locale()
2891 #define synchronize_system_messages_locale()
2892 #define synchronize_system_time_locale()
2894 void shut_down_emacs
P_ ((int, int, Lisp_Object
));
2895 /* Nonzero means don't do interactive redisplay and don't change tty modes */
2896 extern int noninteractive
;
2897 /* Nonzero means don't do use window-system-specific display code */
2898 extern int inhibit_window_system
;
2899 /* Nonzero means that a filter or a sentinel is running. */
2900 extern int running_asynch_code
;
2902 /* defined in process.c */
2903 EXFUN (Fget_process
, 1);
2904 EXFUN (Fget_buffer_process
, 1);
2905 EXFUN (Fprocessp
, 1);
2906 EXFUN (Fprocess_status
, 1);
2907 EXFUN (Fkill_process
, 2);
2908 EXFUN (Fprocess_send_eof
, 1);
2909 EXFUN (Fwaiting_for_user_input_p
, 0);
2910 extern Lisp_Object Qprocessp
;
2911 extern void kill_buffer_processes
P_ ((Lisp_Object
));
2912 extern int wait_reading_process_input
P_ ((int, int, Lisp_Object
, int));
2913 extern void deactivate_process
P_ ((Lisp_Object
));
2914 extern void add_keyboard_wait_descriptor
P_ ((int));
2915 extern void delete_keyboard_wait_descriptor
P_ ((int));
2916 extern void close_process_descs
P_ ((void));
2917 extern void status_notify
P_ ((void));
2918 extern int read_process_output
P_ ((Lisp_Object
, int));
2919 extern void init_process
P_ ((void));
2920 extern void syms_of_process
P_ ((void));
2922 /* defined in callproc.c */
2923 extern Lisp_Object Vexec_path
, Vexec_suffixes
,
2924 Vexec_directory
, Vdata_directory
;
2925 extern Lisp_Object Vdoc_directory
;
2926 EXFUN (Fcall_process
, MANY
);
2927 extern int child_setup
P_ ((int, int, int, char **, int, Lisp_Object
));
2928 extern void init_callproc_1
P_ ((void));
2929 extern void init_callproc
P_ ((void));
2930 extern void set_process_environment
P_ ((void));
2931 extern void syms_of_callproc
P_ ((void));
2933 /* defined in doc.c */
2934 extern Lisp_Object Vdoc_file_name
;
2935 EXFUN (Fsubstitute_command_keys
, 1);
2936 EXFUN (Fdocumentation
, 2);
2937 EXFUN (Fdocumentation_property
, 3);
2938 extern Lisp_Object read_doc_string
P_ ((Lisp_Object
));
2939 extern Lisp_Object get_doc_string
P_ ((Lisp_Object
, int, int));
2940 extern void syms_of_doc
P_ ((void));
2941 extern int read_bytecode_char
P_ ((int));
2943 /* defined in bytecode.c */
2944 extern Lisp_Object Qbytecode
;
2945 EXFUN (Fbyte_code
, 3);
2946 extern void syms_of_bytecode
P_ ((void));
2947 extern struct byte_stack
*byte_stack_list
;
2948 extern void mark_byte_stack
P_ ((void));
2949 extern void unmark_byte_stack
P_ ((void));
2951 /* defined in macros.c */
2952 extern Lisp_Object Qexecute_kbd_macro
;
2953 EXFUN (Fexecute_kbd_macro
, 2);
2954 extern void init_macros
P_ ((void));
2955 extern void syms_of_macros
P_ ((void));
2957 /* defined in undo.c */
2958 extern Lisp_Object Qinhibit_read_only
;
2959 EXFUN (Fundo_boundary
, 0);
2960 extern Lisp_Object truncate_undo_list
P_ ((Lisp_Object
, int, int));
2961 extern void record_marker_adjustment
P_ ((Lisp_Object
, int));
2962 extern void record_insert
P_ ((int, int));
2963 extern void record_delete
P_ ((int, Lisp_Object
));
2964 extern void record_first_change
P_ ((void));
2965 extern void record_change
P_ ((int, int));
2966 extern void record_property_change
P_ ((int, int, Lisp_Object
, Lisp_Object
,
2968 extern void syms_of_undo
P_ ((void));
2970 /* defined in textprop.c */
2971 extern Lisp_Object Qmodification_hooks
;
2972 extern Lisp_Object Qrear_nonsticky
, Qfont
, Qmouse_face
;
2973 extern Lisp_Object Qinsert_in_front_hooks
, Qinsert_behind_hooks
;
2974 EXFUN (Fnext_property_change
, 3);
2975 EXFUN (Fnext_single_property_change
, 4);
2976 EXFUN (Fnext_single_char_property_change
, 4);
2977 EXFUN (Fprevious_single_property_change
, 4);
2978 EXFUN (Fget_text_property
, 3);
2979 EXFUN (Fput_text_property
, 5);
2980 EXFUN (Fset_text_properties
, 4);
2981 EXFUN (Ftext_property_not_all
, 5);
2982 EXFUN (Fprevious_char_property_change
, 2);
2983 EXFUN (Fnext_char_property_change
, 2);
2984 extern void report_interval_modification
P_ ((Lisp_Object
, Lisp_Object
));
2985 extern void syms_of_textprop
P_ ((void));
2986 extern Lisp_Object next_single_char_property_change
P_ ((Lisp_Object
,
2990 extern Lisp_Object set_text_properties
P_ ((Lisp_Object
, Lisp_Object
,
2991 Lisp_Object
, Lisp_Object
,
2994 /* defined in xmenu.c */
2995 EXFUN (Fx_popup_menu
, 2);
2996 EXFUN (Fx_popup_dialog
, 2);
2997 extern void syms_of_xmenu
P_ ((void));
2998 extern int popup_activated_flag
;
3000 /* defined in sysdep.c */
3001 extern void stuff_char
P_ ((char c
));
3002 extern void init_sigio
P_ ((int));
3003 extern void request_sigio
P_ ((void));
3004 extern void unrequest_sigio
P_ ((void));
3005 extern void reset_sys_modes
P_ ((void));
3006 extern void sys_subshell
P_ ((void));
3007 extern void sys_suspend
P_ ((void));
3008 extern void discard_tty_input
P_ ((void));
3009 extern void init_sys_modes
P_ ((void));
3010 extern void reset_sys_modes
P_ ((void));
3011 extern void get_frame_size
P_ ((int *, int *));
3012 extern void wait_for_termination
P_ ((int));
3013 extern void flush_pending_output
P_ ((int));
3014 extern void child_setup_tty
P_ ((int));
3015 extern void setup_pty
P_ ((int));
3016 extern int set_window_size
P_ ((int, int, int));
3017 extern void create_process
P_ ((Lisp_Object
, char **, Lisp_Object
));
3018 extern int tabs_safe_p
P_ ((void));
3019 extern void init_baud_rate
P_ ((void));
3020 extern int emacs_open
P_ ((char *, int, int));
3021 extern int emacs_close
P_ ((int));
3022 extern int emacs_read
P_ ((int, char *, unsigned int));
3023 extern int emacs_write
P_ ((int, char *, unsigned int));
3025 /* defined in filelock.c */
3026 EXFUN (Funlock_buffer
, 0);
3027 EXFUN (Ffile_locked_p
, 1);
3028 extern void unlock_all_files
P_ ((void));
3029 extern void lock_file
P_ ((Lisp_Object
));
3030 extern void unlock_file
P_ ((Lisp_Object
));
3031 extern void unlock_buffer
P_ ((struct buffer
*));
3032 extern void syms_of_filelock
P_ ((void));
3033 extern void init_filelock
P_ ((void));
3035 /* Defined in sound.c */
3036 extern void syms_of_sound
P_ ((void));
3037 extern void init_sound
P_ ((void));
3039 /* Defined in category.c */
3040 extern void init_category_once
P_ ((void));
3041 extern void syms_of_category
P_ ((void));
3043 /* Defined in ccl.c */
3044 extern void syms_of_ccl
P_ ((void));
3046 /* Defined in dired.c */
3047 EXFUN (Ffile_attributes
, 1);
3048 extern void syms_of_dired
P_ ((void));
3050 /* Defined in term.c */
3051 extern void syms_of_term
P_ ((void));
3052 extern void fatal () NO_RETURN
;
3054 #ifdef HAVE_X_WINDOWS
3055 /* Defined in fontset.c */
3056 extern void syms_of_fontset
P_ ((void));
3057 EXFUN (Fset_fontset_font
, 4);
3060 /* Defined in xfaces.c */
3061 extern void syms_of_xfaces
P_ ((void));
3063 /* Defined in getloadavg.c */
3064 extern int getloadavg
P_ ((double *, int));
3066 #ifdef HAVE_X_WINDOWS
3067 /* Defined in xfns.c */
3068 extern void syms_of_xfns
P_ ((void));
3069 extern void init_xfns
P_ ((void));
3070 extern Lisp_Object Vx_resource_name
;
3071 EXFUN (Fxw_display_color_p
, 1);
3072 EXFUN (Fx_file_dialog
, 4);
3073 #endif /* HAVE_X_WINDOWS */
3075 /* Defined in xsmfns.c */
3076 extern void syms_of_xsmfns
P_ ((void));
3078 /* Defined in xselect.c */
3079 extern void syms_of_xselect
P_ ((void));
3081 /* Defined in xterm.c */
3082 extern void syms_of_xterm
P_ ((void));
3084 /* Defined in getloadavg.c */
3085 extern int getloadavg
P_ ((double [], int));
3087 /* Nonzero means Emacs has already been initialized.
3088 Used during startup to detect startup of dumped Emacs. */
3089 extern int initialized
;
3091 extern int immediate_quit
; /* Nonzero means ^G can quit instantly */
3093 extern POINTER_TYPE
*xmalloc
P_ ((size_t));
3094 extern POINTER_TYPE
*xrealloc
P_ ((POINTER_TYPE
*, size_t));
3095 extern void xfree
P_ ((POINTER_TYPE
*));
3097 extern char *xstrdup
P_ ((char *));
3100 extern char *egetenv
P_ ((char *));
3103 /* Set up the name of the machine we're running on. */
3104 extern void init_system_name
P_ ((void));
3106 /* Some systems (e.g., NT) use a different path separator than Unix,
3107 in addition to a device separator. Default the path separator
3108 to '/', and don't test for a device separator in IS_ANY_SEP. */
3111 extern Lisp_Object Vdirectory_sep_char
;
3114 #ifndef DIRECTORY_SEP
3115 #define DIRECTORY_SEP '/'
3117 #ifndef IS_DIRECTORY_SEP
3118 #define IS_DIRECTORY_SEP(_c_) ((_c_) == DIRECTORY_SEP)
3120 #ifndef IS_DEVICE_SEP
3122 #define IS_DEVICE_SEP(_c_) 0
3124 #define IS_DEVICE_SEP(_c_) ((_c_) == DEVICE_SEP)
3128 #define IS_ANY_SEP(_c_) (IS_DIRECTORY_SEP (_c_))
3131 #ifdef SWITCH_ENUM_BUG
3132 #define SWITCH_ENUM_CAST(x) ((int)(x))
3134 #define SWITCH_ENUM_CAST(x) (x)
3137 /* Loop over Lisp list LIST. Signal an error if LIST is not a proper
3138 list, or if it contains circles.
3140 HARE and TORTOISE should be the names of Lisp_Object variables, and
3141 N should be the name of an EMACS_INT variable declared in the
3142 function where the macro is used. Each nested loop should use
3145 In the loop body, HARE is set to each cons of LIST, and N is the
3146 length of the list processed so far. */
3148 #define LIST_END_P(list, obj) \
3153 : (wrong_type_argument (Qlistp, (list))), 1))
3155 #define FOREACH(hare, list, tortoise, n) \
3156 for (tortoise = hare = (list), n = 0; \
3157 !LIST_END_P (list, hare); \
3158 (hare = XCDR (hare), ++n, \
3160 ? (tortoise = XCDR (tortoise), \
3161 (EQ (hare, tortoise) \
3162 && (circular_list_error ((list)), 1))) \
3165 /* The ubiquitous min and max macros. */
3171 #define min(a, b) ((a) < (b) ? (a) : (b))
3172 #define max(a, b) ((a) > (b) ? (a) : (b))
3174 /* Return a fixnum or float, depending on whether VAL fits in a Lisp
3177 #define make_fixnum_or_float(val) \
3178 (FIXNUM_OVERFLOW_P (val) \
3179 ? make_float (val) \
3180 : make_number ((EMACS_INT)(val)))