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 /* This isn't quite right - it keeps the argument as an lvalue.
239 Making it const via casting would help avoid code actually
240 modifying the location in question, but the casting could cover
241 other type-related bugs. */
242 #define LISP_MAKE_RVALUE(o) (o)
245 #endif /* NO_UNION_TYPE */
248 /* If union type is not wanted, define Lisp_Object as just a number. */
251 #define Lisp_Object EMACS_INT
252 #define LISP_MAKE_RVALUE(o) (0+(o))
253 #endif /* NO_UNION_TYPE */
256 #define VALMASK ((((EMACS_INT) 1)<<VALBITS) - 1)
258 #define GCTYPEMASK ((((EMACS_INT) 1)<<GCTYPEBITS) - 1)
260 /* Two flags that are set during GC. On some machines, these flags
261 are defined differently by the m- file. */
263 /* This is set in the car of a cons and in the plist slot of a symbol
264 to indicate it is marked. Likewise in the plist slot of an interval,
265 the chain slot of a marker, the type slot of a float, and the name
268 In strings, this bit in the size field indicates that the string
269 is a "large" one, one which was separately malloc'd
270 rather than being part of a string block. */
273 #define MARKBIT ((EMACS_INT) ((EMACS_UINT) 1 << (VALBITS + GCTYPEBITS)))
276 /* In the size word of a vector, this bit means the vector has been marked.
277 In the size word of a large string, likewise. */
279 #ifndef ARRAY_MARK_FLAG
280 #define ARRAY_MARK_FLAG ((MARKBIT >> 1) & ~MARKBIT)
281 #endif /* no ARRAY_MARK_FLAG */
283 /* In the size word of a struct Lisp_Vector, this bit means it's really
284 some other vector-like object. */
285 #ifndef PSEUDOVECTOR_FLAG
286 #define PSEUDOVECTOR_FLAG ((ARRAY_MARK_FLAG >> 1) & ~ARRAY_MARK_FLAG)
289 /* In a pseudovector, the size field actually contains a word with one
290 PSEUDOVECTOR_FLAG bit set, and exactly one of the following bits to
291 indicate the actual type. */
294 PVEC_NORMAL_VECTOR
= 0,
295 PVEC_PROCESS
= 0x200,
297 PVEC_COMPILED
= 0x800,
298 PVEC_WINDOW
= 0x1000,
299 PVEC_WINDOW_CONFIGURATION
= 0x2000,
301 PVEC_CHAR_TABLE
= 0x8000,
302 PVEC_BOOL_VECTOR
= 0x10000,
303 PVEC_BUFFER
= 0x20000,
304 PVEC_HASH_TABLE
= 0x40000,
305 PVEC_TYPE_MASK
= 0x7fe00
307 #if 0 /* This is used to make the value of PSEUDOVECTOR_FLAG available to
308 GDB. It doesn't work on OS Alpha. Moved to a variable in
310 PVEC_FLAG
= PSEUDOVECTOR_FLAG
314 /* For convenience, we also store the number of elements in these bits. */
315 #define PSEUDOVECTOR_SIZE_MASK 0x1ff
317 /* These macros extract various sorts of values from a Lisp_Object.
318 For example, if tem is a Lisp_Object whose type is Lisp_Cons,
319 XCONS (tem) is the struct Lisp_Cons * pointing to the memory for that cons. */
323 /* One need to override this if there must be high bits set in data space
324 (doing the result of the below & ((1 << (GCTYPE + 1)) - 1) would work
325 on all machines, but would penalize machines which don't need it)
328 #define XTYPE(a) ((enum Lisp_Type) ((a) >> VALBITS))
332 #define XSETTYPE(a, b) ((a) = XUINT (a) | ((EMACS_INT)(b) << VALBITS))
335 /* For integers known to be positive, XFASTINT provides fast retrieval
336 and XSETFASTINT provides fast storage. This takes advantage of the
337 fact that Lisp_Int is 0. */
338 #define XFASTINT(a) ((a) + 0)
339 #define XSETFASTINT(a, b) ((a) = (b))
341 /* Extract the value of a Lisp_Object as a signed integer. */
343 #ifndef XINT /* Some machines need to do this differently. */
344 #define XINT(a) ((EMACS_INT) (((a) << (BITS_PER_EMACS_INT - VALBITS)) \
345 >> (BITS_PER_EMACS_INT - VALBITS)))
348 /* Extract the value as an unsigned integer. This is a basis
349 for extracting it as a pointer to a structure in storage. */
352 #define XUINT(a) ((EMACS_UINT) ((a) & VALMASK))
357 /* In this representation, data is found in two widely separated segments. */
358 extern size_t pure_size
;
360 (XUINT (a) | (XUINT (a) > pure_size ? DATA_SEG_BITS : PURE_SEG_BITS))
361 #else /* not HAVE_SHM */
363 /* This case is used for the rt-pc.
364 In the diffs I was given, it checked for ptr = 0
365 and did not adjust it in that case.
366 But I don't think that zero should ever be found
367 in a Lisp object whose data type says it points to something. */
368 #define XPNTR(a) (XUINT (a) | DATA_SEG_BITS)
370 #define XPNTR(a) XUINT (a)
372 #endif /* not HAVE_SHM */
373 #endif /* no XPNTR */
376 #define XSET(var, type, ptr) \
377 ((var) = ((EMACS_INT)(type) << VALBITS) + ((EMACS_INT) (ptr) & VALMASK))
380 /* Convert a C integer into a Lisp_Object integer. */
382 #define make_number(N) \
383 ((((EMACS_INT) (N)) & VALMASK) | ((EMACS_INT) Lisp_Int) << VALBITS)
385 /* During garbage collection, XGCTYPE must be used for extracting types
386 so that the mark bit is ignored. XMARKBIT accesses the markbit.
387 Markbits are used only in particular slots of particular structure types.
388 Other markbits are always zero.
389 Outside of garbage collection, all mark bits are always zero. */
392 #define XGCTYPE(a) ((enum Lisp_Type) (((a) >> VALBITS) & GCTYPEMASK))
395 #if VALBITS + GCTYPEBITS == BITS_PER_EMACS_INT - 1
396 /* Make XMARKBIT faster if mark bit is sign bit. */
398 #define XMARKBIT(a) ((a) < 0)
400 #endif /* markbit is sign bit */
403 #define XMARKBIT(a) ((a) & MARKBIT)
407 #define XSETMARKBIT(a,b) ((a) = ((a) & ~MARKBIT) | ((b) ? MARKBIT : 0))
411 #define XMARK(a) ((a) |= MARKBIT)
415 #define XUNMARK(a) ((a) &= ~MARKBIT)
418 #endif /* NO_UNION_TYPE */
420 #ifndef NO_UNION_TYPE
422 #define XTYPE(a) ((enum Lisp_Type) (a).u.type)
423 #define XSETTYPE(a, b) ((a).u.type = (char) (b))
425 /* For integers known to be positive, XFASTINT provides fast retrieval
426 and XSETFASTINT provides fast storage. This takes advantage of the
427 fact that Lisp_Int is 0. */
428 #define XFASTINT(a) ((a).i + 0)
429 #define XSETFASTINT(a, b) ((a).i = (b))
431 #ifdef EXPLICIT_SIGN_EXTEND
432 /* Make sure we sign-extend; compilers have been known to fail to do so. */
433 #define XINT(a) (((a).i << (BITS_PER_EMACS_INT - VALBITS)) \
434 >> (BITS_PER_EMACS_INT - VALBITS))
436 #define XINT(a) ((a).s.val)
437 #endif /* EXPLICIT_SIGN_EXTEND */
439 #define XUINT(a) ((a).u.val)
440 #define XPNTR(a) ((a).u.val)
442 #define XSET(var, vartype, ptr) \
443 (((var).s.val = ((EMACS_INT) (ptr))), ((var).s.type = ((char) (vartype))))
445 #if __GNUC__ >= 2 && defined (__OPTIMIZE__)
446 #define make_number(N) \
447 (__extension__ ({ Lisp_Object _l; _l.s.val = (N); _l.s.type = Lisp_Int; _l; }))
449 extern Lisp_Object
make_number ();
452 /* During garbage collection, XGCTYPE must be used for extracting types
453 so that the mark bit is ignored. XMARKBIT access the markbit.
454 Markbits are used only in particular slots of particular structure types.
455 Other markbits are always zero.
456 Outside of garbage collection, all mark bits are always zero. */
458 #define XGCTYPE(a) ((a).gu.type)
459 #define XMARKBIT(a) ((a).gu.markbit)
460 #define XSETMARKBIT(a,b) (XMARKBIT(a) = (b))
461 #define XMARK(a) (XMARKBIT(a) = 1)
462 #define XUNMARK(a) (XMARKBIT(a) = 0)
464 #endif /* NO_UNION_TYPE */
466 /* Largest and smallest representable fixnum values. These are the C
469 #define MOST_NEGATIVE_FIXNUM - ((EMACS_INT) 1 << (VALBITS - 1))
470 #define MOST_POSITIVE_FIXNUM (((EMACS_INT) 1 << (VALBITS - 1)) - 1)
472 /* Value is non-zero if C integer I doesn't fit into a Lisp fixnum. */
474 #define FIXNUM_OVERFLOW_P(i) \
475 ((EMACS_INT)(i) > MOST_POSITIVE_FIXNUM \
476 || (EMACS_INT) (i) < MOST_NEGATIVE_FIXNUM)
478 /* Extract a value or address from a Lisp_Object. */
480 #define XCONS(a) (eassert (GC_CONSP(a)),(struct Lisp_Cons *) XPNTR(a))
481 #define XVECTOR(a) (eassert (GC_VECTORLIKEP(a)),(struct Lisp_Vector *) XPNTR(a))
482 #define XSTRING(a) (eassert (GC_STRINGP(a)),(struct Lisp_String *) XPNTR(a))
483 #define XSYMBOL(a) (eassert (GC_SYMBOLP(a)),(struct Lisp_Symbol *) XPNTR(a))
484 #define XFLOAT(a) (eassert (GC_FLOATP(a)),(struct Lisp_Float *) XPNTR(a))
488 #define XMISC(a) ((union Lisp_Misc *) XPNTR(a))
489 #define XMISCTYPE(a) (XMARKER (a)->type)
490 #define XMARKER(a) (&(XMISC(a)->u_marker))
491 #define XINTFWD(a) (&(XMISC(a)->u_intfwd))
492 #define XBOOLFWD(a) (&(XMISC(a)->u_boolfwd))
493 #define XOBJFWD(a) (&(XMISC(a)->u_objfwd))
494 #define XBUFFER_OBJFWD(a) (&(XMISC(a)->u_buffer_objfwd))
495 #define XBUFFER_LOCAL_VALUE(a) (&(XMISC(a)->u_buffer_local_value))
496 #define XOVERLAY(a) (&(XMISC(a)->u_overlay))
497 #define XKBOARD_OBJFWD(a) (&(XMISC(a)->u_kboard_objfwd))
499 /* Pseudovector types. */
501 #define XPROCESS(a) (eassert (GC_PROCESSP(a)),(struct Lisp_Process *) XPNTR(a))
502 #define XWINDOW(a) (eassert (GC_WINDOWP(a)),(struct window *) XPNTR(a))
503 #define XSUBR(a) (eassert (GC_SUBRP(a)),(struct Lisp_Subr *) XPNTR(a))
504 #define XBUFFER(a) (eassert (GC_BUFFERP(a)),(struct buffer *) XPNTR(a))
505 #define XCHAR_TABLE(a) ((struct Lisp_Char_Table *) XPNTR(a))
506 #define XBOOL_VECTOR(a) ((struct Lisp_Bool_Vector *) XPNTR(a))
508 /* Construct a Lisp_Object from a value or address. */
510 #define XSETINT(a, b) XSET (a, Lisp_Int, b)
511 #define XSETCONS(a, b) XSET (a, Lisp_Cons, b)
512 #define XSETVECTOR(a, b) XSET (a, Lisp_Vectorlike, b)
513 #define XSETSTRING(a, b) XSET (a, Lisp_String, b)
514 #define XSETSYMBOL(a, b) XSET (a, Lisp_Symbol, b)
515 #define XSETFLOAT(a, b) XSET (a, Lisp_Float, b)
519 #define XSETMISC(a, b) XSET (a, Lisp_Misc, b)
520 #define XSETMARKER(a, b) (XSETMISC (a, b), XMISCTYPE (a) = Lisp_Misc_Marker)
522 /* Pseudovector types. */
524 #define XSETPSEUDOVECTOR(a, b, code) \
525 (XSETVECTOR (a, b), XVECTOR (a)->size |= PSEUDOVECTOR_FLAG | (code))
526 #define XSETWINDOW_CONFIGURATION(a, b) \
527 (XSETPSEUDOVECTOR (a, b, PVEC_WINDOW_CONFIGURATION))
528 #define XSETPROCESS(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_PROCESS))
529 #define XSETWINDOW(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_WINDOW))
530 #define XSETSUBR(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_SUBR))
531 #define XSETCOMPILED(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_COMPILED))
532 #define XSETBUFFER(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_BUFFER))
533 #define XSETCHAR_TABLE(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_CHAR_TABLE))
534 #define XSETBOOL_VECTOR(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_BOOL_VECTOR))
536 /* Convenience macros for dealing with Lisp arrays. */
538 #define AREF(ARRAY, IDX) XVECTOR ((ARRAY))->contents[IDX]
539 #define ASET(ARRAY, IDX, VAL) (AREF ((ARRAY), (IDX)) = (VAL))
540 #define ASIZE(ARRAY) XVECTOR ((ARRAY))->size
542 /* Convenience macros for dealing with Lisp strings. */
544 #define SREF(string, index) (XSTRING (string)->data[index] + 0)
545 #define SSET(string, index, new) (XSTRING (string)->data[index] = (new))
546 #define SDATA(string) (XSTRING (string)->data + 0)
547 #define SCHARS(string) (XSTRING (string)->size + 0)
548 #define SBYTES(string) (STRING_BYTES (XSTRING (string)) + 0)
550 #define STRING_SET_CHARS(string, newsize) \
551 (XSTRING (string)->size = (newsize))
553 #define STRING_COPYIN(string, index, new, count) \
554 bcopy (new, XSTRING (string)->data + index, count)
557 /* Basic data type for use of intervals. See the macros in intervals.h. */
561 /* The first group of entries deal with the tree structure. */
563 unsigned int total_length
; /* Length of myself and both children. */
564 unsigned int position
; /* Cache of interval's character position. */
565 /* This field is usually updated
566 simultaneously with an interval
567 traversal, there is no guarantee
568 that it is valid for a random
570 struct interval
*left
; /* Intervals which precede me. */
571 struct interval
*right
; /* Intervals which succeed me. */
573 /* Parent in the tree, or the Lisp_Object containing this interval tree.
575 The mark bit on the root interval of an interval tree says
576 whether we have started (and possibly finished) marking the
577 tree. If GC comes across an interval tree whose root's parent
578 field has its markbit set, it leaves the tree alone.
580 You'd think we could store this information in the parent object
581 somewhere (after all, that should be visited once and then
582 ignored too, right?), but strings are GC'd strangely. */
585 struct interval
*interval
;
588 unsigned int up_obj
: 1;
590 /* The remaining components are `properties' of the interval.
591 The first four are duplicates for things which can be on the list,
592 for purposes of speed. */
594 unsigned int write_protect
: 1; /* Non-zero means can't modify. */
595 unsigned int visible
: 1; /* Zero means don't display. */
596 unsigned int front_sticky
: 1; /* Non-zero means text inserted just
597 before this interval goes into it. */
598 unsigned int rear_sticky
: 1; /* Likewise for just after it. */
600 /* Properties of this interval.
601 The mark bit on this field says whether this particular interval
602 tree node has been visited. Since intervals should never be
603 shared, GC aborts if it seems to have visited an interval twice. */
607 typedef struct interval
*INTERVAL
;
609 /* Complain if object is not string or buffer type */
610 #define CHECK_STRING_OR_BUFFER(x) \
611 { if (!STRINGP ((x)) && !BUFFERP ((x))) \
612 x = wrong_type_argument (Qbuffer_or_string_p, (x)); }
614 /* In a cons, the markbit of the car is the gc mark bit */
618 /* Please do not use the names of these elements in code other
619 than the core lisp implementation. Use XCAR and XCDR below. */
620 #ifdef HIDE_LISP_IMPLEMENTATION
621 Lisp_Object car_
, cdr_
;
623 Lisp_Object car
, cdr
;
627 /* Take the car or cdr of something known to be a cons cell. */
628 /* The _AS_LVALUE macros shouldn't be used outside of the minimal set
629 of code that has to know what a cons cell looks like. Other code not
630 part of the basic lisp implementation should assume that the car and cdr
631 fields are not accessible as lvalues. (What if we want to switch to
632 a copying collector someday? Cached cons cell field addresses may be
633 invalidated at arbitrary points.) */
634 #ifdef HIDE_LISP_IMPLEMENTATION
635 #define XCAR_AS_LVALUE(c) (XCONS ((c))->car_)
636 #define XCDR_AS_LVALUE(c) (XCONS ((c))->cdr_)
638 #define XCAR_AS_LVALUE(c) (XCONS ((c))->car)
639 #define XCDR_AS_LVALUE(c) (XCONS ((c))->cdr)
642 /* Use these from normal code. */
643 #define XCAR(c) LISP_MAKE_RVALUE(XCAR_AS_LVALUE(c))
644 #define XCDR(c) LISP_MAKE_RVALUE(XCDR_AS_LVALUE(c))
646 /* Use these to set the fields of a cons cell.
648 Note that both arguments may refer to the same object, so 'n'
649 should not be read after 'c' is first modified. Also, neither
650 argument should be evaluated more than once; side effects are
651 especially common in the second argument. */
652 #define XSETCAR(c,n) (XCAR_AS_LVALUE(c) = (n))
653 #define XSETCDR(c,n) (XCDR_AS_LVALUE(c) = (n))
655 /* For performance: Fast storage of positive integers into the
656 fields of a cons cell. See above caveats. */
657 #define XSETCARFASTINT(c,n) XSETFASTINT(XCAR_AS_LVALUE(c),(n))
658 #define XSETCDRFASTINT(c,n) XSETFASTINT(XCDR_AS_LVALUE(c),(n))
660 /* Take the car or cdr of something whose type is not known. */
662 (CONSP ((c)) ? XCAR ((c)) \
663 : NILP ((c)) ? Qnil \
664 : wrong_type_argument (Qlistp, (c)))
667 (CONSP ((c)) ? XCDR ((c)) \
668 : NILP ((c)) ? Qnil \
669 : wrong_type_argument (Qlistp, (c)))
671 /* Nonzero if STR is a multibyte string. */
672 #define STRING_MULTIBYTE(STR) \
673 (XSTRING (STR)->size_byte >= 0)
675 /* Return the length in bytes of STR. */
677 #ifdef GC_CHECK_STRING_BYTES
680 extern int string_bytes
P_ ((struct Lisp_String
*));
681 #define STRING_BYTES(S) string_bytes ((S))
683 #else /* not GC_CHECK_STRING_BYTES */
685 #define STRING_BYTES(STR) \
686 ((STR)->size_byte < 0 ? (STR)->size : (STR)->size_byte)
688 #endif /* not GC_CHECK_STRING_BYTES */
690 /* Mark STR as a unibyte string. */
691 #define STRING_SET_UNIBYTE(STR) (XSTRING (STR)->size_byte = -1)
693 /* Get text properties. */
694 #define STRING_INTERVALS(STR) (XSTRING (STR)->intervals + 0)
696 /* Set text properties. */
697 #define STRING_SET_INTERVALS(STR, INT) (XSTRING (STR)->intervals = (INT))
699 /* In a string or vector, the sign bit of the `size' is the gc mark bit */
705 INTERVAL intervals
; /* text properties in this string */
709 /* If a struct is made to look like a vector, this macro returns the length
710 of the shortest vector that would hold that struct. */
711 #define VECSIZE(type) ((sizeof (type) - (sizeof (struct Lisp_Vector) \
712 - sizeof (Lisp_Object)) \
713 + sizeof(Lisp_Object) - 1) /* round up */ \
714 / sizeof (Lisp_Object))
719 struct Lisp_Vector
*next
;
720 Lisp_Object contents
[1];
723 /* A char table is a kind of vectorlike, with contents are like a
724 vector but with a few other slots. For some purposes, it makes
725 sense to handle a chartable with type struct Lisp_Vector. An
726 element of a char table can be any Lisp objects, but if it is a sub
727 char-table, we treat it a table that contains information of a
728 group of characters of the same charsets or a specific character of
729 a charset. A sub char-table has the same structure as a char table
730 except for that the former omits several slots at the tail. A sub
731 char table appears only in an element of a char table, and there's
732 no way to access it directly from Emacs Lisp program. */
734 /* This is the number of slots that apply to characters or character
735 sets. The first 128 are for ASCII, the next 128 are for 8-bit
736 European characters, and the last 128 are for multibyte characters.
737 The first 256 are indexed by the code itself, but the last 128 are
738 indexed by (charset-id + 128). */
739 #define CHAR_TABLE_ORDINARY_SLOTS 384
741 /* This is the number of slots that apply to characters of ASCII and
742 8-bit Europeans only. */
743 #define CHAR_TABLE_SINGLE_BYTE_SLOTS 256
745 /* This is the number of slots that every char table must have. This
746 counts the ordinary slots and the top, defalt, parent, and purpose
748 #define CHAR_TABLE_STANDARD_SLOTS (CHAR_TABLE_ORDINARY_SLOTS + 4)
750 /* This is the number of slots that apply to position-code-1 and
751 position-code-2 of a multibyte character at the 2nd and 3rd level
752 sub char tables respectively. */
753 #define SUB_CHAR_TABLE_ORDINARY_SLOTS 128
755 /* This is the number of slots that every sub char table must have.
756 This counts the ordinary slots and the top and defalt slot. */
757 #define SUB_CHAR_TABLE_STANDARD_SLOTS (SUB_CHAR_TABLE_ORDINARY_SLOTS + 2)
759 /* Return the number of "extra" slots in the char table CT. */
761 #define CHAR_TABLE_EXTRA_SLOTS(CT) \
762 (((CT)->size & PSEUDOVECTOR_SIZE_MASK) - CHAR_TABLE_STANDARD_SLOTS)
764 /* Almost equivalent to Faref (CT, IDX) with optimization for ASCII
765 and 8-bit Europeans characters. For these characters, do not check
766 validity of CT. Do not follow parent. */
767 #define CHAR_TABLE_REF(CT, IDX) \
768 ((IDX) >= 0 && (IDX) < CHAR_TABLE_SINGLE_BYTE_SLOTS \
769 ? (!NILP (XCHAR_TABLE (CT)->contents[IDX]) \
770 ? XCHAR_TABLE (CT)->contents[IDX] \
771 : XCHAR_TABLE (CT)->defalt) \
772 : Faref (CT, make_number (IDX)))
774 /* Almost equivalent to Faref (CT, IDX) with optimization for ASCII
775 and 8-bit Europeans characters. However, if the result is nil,
778 For these characters, do not check validity of CT
779 and do not follow parent. */
780 #define CHAR_TABLE_TRANSLATE(CT, IDX) \
781 ((IDX) < CHAR_TABLE_SINGLE_BYTE_SLOTS \
782 ? (!NILP (XCHAR_TABLE (CT)->contents[IDX]) \
783 ? XINT (XCHAR_TABLE (CT)->contents[IDX]) \
785 : char_table_translate (CT, IDX))
787 /* Equivalent to Faset (CT, IDX, VAL) with optimization for ASCII and
788 8-bit Europeans characters. Do not check validity of CT. */
789 #define CHAR_TABLE_SET(CT, IDX, VAL) \
791 if (XFASTINT (IDX) < CHAR_TABLE_SINGLE_BYTE_SLOTS) \
792 XCHAR_TABLE (CT)->contents[XFASTINT (IDX)] = VAL; \
794 Faset (CT, IDX, VAL); \
797 struct Lisp_Char_Table
799 /* This is the vector's size field, which also holds the
800 pseudovector type information. It holds the size, too.
801 The size counts the top, defalt, purpose, and parent slots.
802 The last three are not counted if this is a sub char table. */
804 struct Lisp_Vector
*next
;
805 /* This holds a flag to tell if this is a top level char table (t)
806 or a sub char table (nil). */
808 /* This holds a default value,
809 which is used whenever the value for a specific character is nil. */
811 /* This holds an actual value of each element. A sub char table
812 has only SUB_CHAR_TABLE_ORDINARY_SLOTS number of elements. */
813 Lisp_Object contents
[CHAR_TABLE_ORDINARY_SLOTS
];
815 /* A sub char table doesn't has the following slots. */
817 /* This points to another char table, which we inherit from
818 when the value for a specific character is nil.
819 The `defalt' slot takes precedence over this. */
821 /* This should be a symbol which says what kind of use
822 this char-table is meant for.
823 Typically now the values can be `syntax-table' and `display-table'. */
825 /* These hold additional data. */
826 Lisp_Object extras
[1];
829 /* A boolvector is a kind of vectorlike, with contents are like a string. */
830 struct Lisp_Bool_Vector
832 /* This is the vector's size field. It doesn't have the real size,
833 just the subtype information. */
834 EMACS_INT vector_size
;
835 struct Lisp_Vector
*next
;
836 /* This is the size in bits. */
838 /* This contains the actual bits, packed into bytes. */
839 unsigned char data
[1];
842 /* This structure describes a built-in function.
843 It is generated by the DEFUN macro only.
844 defsubr makes it into a Lisp object.
846 This type is treated in most respects as a pseudovector,
847 but since we never dynamically allocate or free them,
848 we don't need a next-vector field. */
853 Lisp_Object (*function
) ();
854 short min_args
, max_args
;
861 /***********************************************************************
863 ***********************************************************************/
865 /* Interned state of a symbol. */
869 SYMBOL_UNINTERNED
= 0,
871 SYMBOL_INTERNED_IN_INITIAL_OBARRAY
= 2
874 /* In a symbol, the markbit of the plist is used as the gc mark bit */
878 /* Non-zero means symbol serves as a variable alias. The symbol
879 holding the real value is found in the value slot. */
880 unsigned indirect_variable
: 1;
882 /* Non-zero means symbol is constant, i.e. changing its value
883 should signal an error. */
884 unsigned constant
: 1;
886 /* Interned state of the symbol. This is an enumerator from
887 enum symbol_interned. */
888 unsigned interned
: 2;
890 /* The symbol's name, as a Lisp string.
892 The name "xname" is used to intentionally break code referring to
893 the old field "name" of type pointer to struct Lisp_String. */
896 /* Value of the symbol or Qunbound if unbound. If this symbol is a
897 defvaralias, `value' contains the symbol for which it is an
898 alias. Use the SYMBOL_VALUE and SET_SYMBOL_VALUE macros to get
899 and set a symbol's value, to take defvaralias into account. */
902 /* Function value of the symbol or Qunbound if not fboundp. */
903 Lisp_Object function
;
905 /* The symbol's property list. */
908 /* Next symbol in obarray bucket, if the symbol is interned. */
909 struct Lisp_Symbol
*next
;
912 /* Value is name of symbol. */
914 #define SYMBOL_NAME(sym) \
915 LISP_MAKE_RVALUE (XSYMBOL (sym)->xname)
917 /* Value is non-zero if SYM is an interned symbol. */
919 #define SYMBOL_INTERNED_P(sym) \
920 (XSYMBOL (sym)->interned != SYMBOL_UNINTERNED)
922 /* Value is non-zero if SYM is interned in initial_obarray. */
924 #define SYMBOL_INTERNED_IN_INITIAL_OBARRAY_P(sym) \
925 (XSYMBOL (sym)->interned == SYMBOL_INTERNED_IN_INITIAL_OBARRAY)
927 /* Value is non-zero if symbol is considered a constant, i.e. its
928 value cannot be changed (there is an exception for keyword symbols,
929 whose value can be set to the keyword symbol itself). */
931 #define SYMBOL_CONSTANT_P(sym) XSYMBOL (sym)->constant
933 /* Value is the value of SYM, with defvaralias taken into
936 #define SYMBOL_VALUE(sym) \
937 (XSYMBOL (sym)->indirect_variable \
938 ? XSYMBOL (indirect_variable (sym))->value \
939 : XSYMBOL (sym)->value)
941 /* Set SYM's value to VAL, taking defvaralias into account. */
943 #define SET_SYMBOL_VALUE(sym, val) \
945 if (XSYMBOL (sym)->indirect_variable) \
946 XSYMBOL (indirect_variable ((sym)))->value = (val); \
948 XSYMBOL (sym)->value = (val); \
952 /***********************************************************************
954 ***********************************************************************/
956 /* The structure of a Lisp hash table. */
958 struct Lisp_Hash_Table
960 /* Vector fields. The hash table code doesn't refer to these. */
962 struct Lisp_Vector
*vec_next
;
964 /* Function used to compare keys. */
967 /* Nil if table is non-weak. Otherwise a symbol describing the
968 weakness of the table. */
971 /* When the table is resized, and this is an integer, compute the
972 new size by adding this to the old size. If a float, compute the
973 new size by multiplying the old size with this factor. */
974 Lisp_Object rehash_size
;
976 /* Resize hash table when number of entries/ table size is >= this
978 Lisp_Object rehash_threshold
;
980 /* Number of key/value entries in the table. */
983 /* Vector of keys and values. The key of item I is found at index
984 2 * I, the value is found at index 2 * I + 1. */
985 Lisp_Object key_and_value
;
987 /* Vector of hash codes.. If hash[I] is nil, this means that that
988 entry I is unused. */
991 /* Vector used to chain entries. If entry I is free, next[I] is the
992 entry number of the next free item. If entry I is non-free,
993 next[I] is the index of the next entry in the collision chain. */
996 /* Index of first free entry in free list. */
997 Lisp_Object next_free
;
999 /* Bucket vector. A non-nil entry is the index of the first item in
1000 a collision chain. This vector's size can be larger than the
1001 hash table size to reduce collisions. */
1004 /* Next weak hash table if this is a weak hash table. The head
1005 of the list is in Vweak_hash_tables. */
1006 Lisp_Object next_weak
;
1008 /* User-supplied hash function, or nil. */
1009 Lisp_Object user_hash_function
;
1011 /* User-supplied key comparison function, or nil. */
1012 Lisp_Object user_cmp_function
;
1014 /* C function to compare two keys. */
1015 int (* cmpfn
) P_ ((struct Lisp_Hash_Table
*, Lisp_Object
,
1016 unsigned, Lisp_Object
, unsigned));
1018 /* C function to compute hash code. */
1019 unsigned (* hashfn
) P_ ((struct Lisp_Hash_Table
*, Lisp_Object
));
1023 #define XHASH_TABLE(OBJ) \
1024 ((struct Lisp_Hash_Table *) XPNTR (OBJ))
1026 #define XSET_HASH_TABLE(VAR, PTR) \
1027 (XSETPSEUDOVECTOR (VAR, PTR, PVEC_HASH_TABLE))
1029 #define HASH_TABLE_P(OBJ) PSEUDOVECTORP (OBJ, PVEC_HASH_TABLE)
1030 #define GC_HASH_TABLE_P(x) GC_PSEUDOVECTORP (x, PVEC_HASH_TABLE)
1032 #define CHECK_HASH_TABLE(x) \
1035 if (!HASH_TABLE_P ((x))) \
1036 x = wrong_type_argument (Qhash_table_p, (x)); \
1040 /* Value is the key part of entry IDX in hash table H. */
1042 #define HASH_KEY(H, IDX) AREF ((H)->key_and_value, 2 * (IDX))
1044 /* Value is the value part of entry IDX in hash table H. */
1046 #define HASH_VALUE(H, IDX) AREF ((H)->key_and_value, 2 * (IDX) + 1)
1048 /* Value is the index of the next entry following the one at IDX
1051 #define HASH_NEXT(H, IDX) AREF ((H)->next, (IDX))
1053 /* Value is the hash code computed for entry IDX in hash table H. */
1055 #define HASH_HASH(H, IDX) AREF ((H)->hash, (IDX))
1057 /* Value is the index of the element in hash table H that is the
1058 start of the collision list at index IDX in the index vector of H. */
1060 #define HASH_INDEX(H, IDX) AREF ((H)->index, (IDX))
1062 /* Value is the size of hash table H. */
1064 #define HASH_TABLE_SIZE(H) XVECTOR ((H)->next)->size
1066 /* Default size for hash tables if not specified. */
1068 #define DEFAULT_HASH_SIZE 65
1070 /* Default threshold specifying when to resize a hash table. The
1071 value gives the ratio of current entries in the hash table and the
1072 size of the hash table. */
1074 #define DEFAULT_REHASH_THRESHOLD 0.8
1076 /* Default factor by which to increase the size of a hash table. */
1078 #define DEFAULT_REHASH_SIZE 1.5
1081 /* These structures are used for various misc types. */
1083 /* A miscellaneous object, when it's on the free list. */
1086 int type
: 16; /* = Lisp_Misc_Free */
1088 union Lisp_Misc
*chain
;
1091 /* In a marker, the markbit of the chain field is used as the gc mark bit. */
1094 int type
: 16; /* = Lisp_Misc_Marker */
1096 /* 1 means normal insertion at the marker's position
1097 leaves the marker after the inserted text. */
1098 unsigned int insertion_type
: 1;
1099 /* This is the buffer that the marker points into,
1100 or 0 if it points nowhere. */
1101 struct buffer
*buffer
;
1103 /* The remaining fields are meaningless in a marker that
1104 does not point anywhere. */
1106 /* For markers that point somewhere,
1107 this is used to chain of all the markers in a given buffer. */
1109 /* This is the char position where the marker points. */
1111 /* This is the byte position. */
1115 /* Forwarding pointer to an int variable.
1116 This is allowed only in the value cell of a symbol,
1117 and it means that the symbol's value really lives in the
1118 specified int variable. */
1121 int type
: 16; /* = Lisp_Misc_Intfwd */
1126 /* Boolean forwarding pointer to an int variable.
1127 This is like Lisp_Intfwd except that the ostensible
1128 "value" of the symbol is t if the int variable is nonzero,
1129 nil if it is zero. */
1132 int type
: 16; /* = Lisp_Misc_Boolfwd */
1137 /* Forwarding pointer to a Lisp_Object variable.
1138 This is allowed only in the value cell of a symbol,
1139 and it means that the symbol's value really lives in the
1140 specified variable. */
1143 int type
: 16; /* = Lisp_Misc_Objfwd */
1145 Lisp_Object
*objvar
;
1148 /* Like Lisp_Objfwd except that value lives in a slot in the
1149 current buffer. Value is byte index of slot within buffer. */
1150 struct Lisp_Buffer_Objfwd
1152 int type
: 16; /* = Lisp_Misc_Buffer_Objfwd */
1157 /* struct Lisp_Buffer_Local_Value is used in a symbol value cell when
1158 the symbol has buffer-local or frame-local bindings. (Exception:
1159 some buffer-local variables are built-in, with their values stored
1160 in the buffer structure itself. They are handled differently,
1161 using struct Lisp_Buffer_Objfwd.)
1163 The `realvalue' slot holds the variable's current value, or a
1164 forwarding pointer to where that value is kept. This value is the
1165 one that corresponds to the loaded binding. To read or set the
1166 variable, you must first make sure the right binding is loaded;
1167 then you can access the value in (or through) `realvalue'.
1169 `buffer' and `frame' are the buffer and frame for which the loaded
1170 binding was found. If those have changed, to make sure the right
1171 binding is loaded it is necessary to find which binding goes with
1172 the current buffer and selected frame, then load it. To load it,
1173 first unload the previous binding, then copy the value of the new
1174 binding into `realvalue' (or through it). Also update
1175 LOADED-BINDING to point to the newly loaded binding.
1177 Lisp_Misc_Buffer_Local_Value and Lisp_Misc_Some_Buffer_Local_Value
1178 both use this kind of structure. With the former, merely setting
1179 the variable creates a local binding for the current buffer. With
1180 the latter, setting the variable does not do that; only
1181 make-local-variable does that. */
1183 struct Lisp_Buffer_Local_Value
1185 int type
: 16; /* = Lisp_Misc_Buffer_Local_Value
1186 or Lisp_Misc_Some_Buffer_Local_Value */
1189 /* 1 means this variable is allowed to have frame-local bindings,
1190 so check for them when looking for the proper binding. */
1191 unsigned int check_frame
: 1;
1192 /* 1 means that the binding now loaded was found
1193 as a local binding for the buffer in the `buffer' slot. */
1194 unsigned int found_for_buffer
: 1;
1195 /* 1 means that the binding now loaded was found
1196 as a local binding for the frame in the `frame' slot. */
1197 unsigned int found_for_frame
: 1;
1198 Lisp_Object realvalue
;
1199 /* The buffer and frame for which the loaded binding was found. */
1200 Lisp_Object buffer
, frame
;
1202 /* A cons cell, (LOADED-BINDING . DEFAULT-VALUE).
1204 LOADED-BINDING is the binding now loaded. It is a cons cell
1205 whose cdr is the binding's value. The cons cell may be an
1206 element of a buffer's local-variable alist, or an element of a
1207 frame's parameter alist, or it may be this cons cell.
1209 DEFAULT-VALUE is the variable's default value, seen when the
1210 current buffer and selected frame do not have their own
1211 bindings for the variable. When the default binding is loaded,
1212 LOADED-BINDING is actually this very cons cell; thus, its car
1213 points to itself. */
1217 /* In an overlay object, the mark bit of the plist is used as the GC mark.
1218 START and END are markers in the overlay's buffer, and
1219 PLIST is the overlay's property list. */
1222 int type
: 16; /* = Lisp_Misc_Overlay */
1224 Lisp_Object start
, end
, plist
;
1227 /* Like Lisp_Objfwd except that value lives in a slot in the
1229 struct Lisp_Kboard_Objfwd
1231 int type
: 16; /* = Lisp_Misc_Kboard_Objfwd */
1237 /* To get the type field of a union Lisp_Misc, use XMISCTYPE.
1238 It uses one of these struct subtypes to get the type field. */
1242 struct Lisp_Free u_free
;
1243 struct Lisp_Marker u_marker
;
1244 struct Lisp_Intfwd u_intfwd
;
1245 struct Lisp_Boolfwd u_boolfwd
;
1246 struct Lisp_Objfwd u_objfwd
;
1247 struct Lisp_Buffer_Objfwd u_buffer_objfwd
;
1248 struct Lisp_Buffer_Local_Value u_buffer_local_value
;
1249 struct Lisp_Overlay u_overlay
;
1250 struct Lisp_Kboard_Objfwd u_kboard_objfwd
;
1253 /* Lisp floating point type */
1256 Lisp_Object type
; /* essentially used for mark-bit
1257 and chaining when on free-list */
1258 #ifdef HIDE_LISP_IMPLEMENTATION
1265 #ifdef HIDE_LISP_IMPLEMENTATION
1266 #define XFLOAT_DATA(f) (XFLOAT (f)->data_)
1268 #define XFLOAT_DATA(f) (XFLOAT (f)->data)
1271 /* A character, declared with the following typedef, is a member
1272 of some character set associated with the current buffer. */
1273 #ifndef _UCHAR_T /* Protect against something in ctab.h on AIX. */
1275 typedef unsigned char UCHAR
;
1278 /* Meanings of slots in a Lisp_Compiled: */
1280 #define COMPILED_ARGLIST 0
1281 #define COMPILED_BYTECODE 1
1282 #define COMPILED_CONSTANTS 2
1283 #define COMPILED_STACK_DEPTH 3
1284 #define COMPILED_DOC_STRING 4
1285 #define COMPILED_INTERACTIVE 5
1287 /* Flag bits in a character. These also get used in termhooks.h.
1288 Richard Stallman <rms@gnu.ai.mit.edu> thinks that MULE
1289 (MUlti-Lingual Emacs) might need 22 bits for the character value
1290 itself, so we probably shouldn't use any bits lower than 0x0400000. */
1291 #define CHAR_ALT (0x0400000)
1292 #define CHAR_SUPER (0x0800000)
1293 #define CHAR_HYPER (0x1000000)
1294 #define CHAR_SHIFT (0x2000000)
1295 #define CHAR_CTL (0x4000000)
1296 #define CHAR_META (0x8000000)
1298 #define CHAR_MODIFIER_MASK \
1299 (CHAR_ALT | CHAR_SUPER | CHAR_HYPER | CHAR_SHIFT | CHAR_CTL | CHAR_META)
1302 /* Actually, the current Emacs uses 19 bits for the character value
1304 #define CHARACTERBITS 19
1306 /* The maximum byte size consumed by push_key_description.
1307 All callers should assure that at least this size of memory is
1308 allocated at the place pointed by the second argument.
1310 Thers are 6 modifiers, each consumes 2 chars.
1311 The octal form of a character code consumes
1312 (1 + CHARACTERBITS / 3 + 1) chars (including backslash at the head).
1313 We need one more byte for string terminator `\0'. */
1314 #define KEY_DESCRIPTION_SIZE ((2 * 6) + 1 + (CHARACTERBITS / 3) + 1 + 1)
1316 #ifdef USE_X_TOOLKIT
1317 #ifdef NO_UNION_TYPE
1318 /* Use this for turning a (void *) into a Lisp_Object, as when the
1319 Lisp_Object is passed into a toolkit callback function. */
1320 #define VOID_TO_LISP(larg,varg) \
1321 do { ((larg) = ((Lisp_Object) (varg))); } while (0)
1322 #define CVOID_TO_LISP VOID_TO_LISP
1324 /* Use this for turning a Lisp_Object into a (void *), as when the
1325 Lisp_Object is passed into a toolkit callback function. */
1326 #define LISP_TO_VOID(larg) ((void *) (larg))
1327 #define LISP_TO_CVOID(varg) ((const void *) (larg))
1329 #else /* not NO_UNION_TYPE */
1330 /* Use this for turning a (void *) into a Lisp_Object, as when the
1331 Lisp_Object is passed into a toolkit callback function. */
1332 #define VOID_TO_LISP(larg,varg) \
1333 do { ((larg).v = (void *) (varg)); } while (0)
1334 #define CVOID_TO_LISP(larg,varg) \
1335 do { ((larg).cv = (const void *) (varg)); } while (0)
1337 /* Use this for turning a Lisp_Object into a (void *), as when the
1338 Lisp_Object is passed into a toolkit callback function. */
1339 #define LISP_TO_VOID(larg) ((larg).v)
1340 #define LISP_TO_CVOID(larg) ((larg).cv)
1341 #endif /* not NO_UNION_TYPE */
1342 #endif /* USE_X_TOOLKIT */
1345 /* The glyph datatype, used to represent characters on the display. */
1347 /* Glyph code to use as an index to the glyph table. If it is out of
1348 range for the glyph table, or the corresonding element in the table
1349 is nil, the low 8 bits are the single byte character code, and the
1350 bits above are the numeric face ID. If FID is the face ID of a
1351 glyph on a frame F, then F->display.x->faces[FID] contains the
1352 description of that face. This is an int instead of a short, so we
1353 can support a good bunch of face ID's (2^(31 - 8)); given that we
1354 have no mechanism for tossing unused frame face ID's yet, we'll
1355 probably run out of 255 pretty quickly.
1356 This is always -1 for a multibyte character. */
1359 /* Mask bits for face. */
1360 #define GLYPH_MASK_FACE 0x7FF80000
1361 /* Mask bits for character code. */
1362 #define GLYPH_MASK_CHAR 0x0007FFFF /* The lowest 19 bits */
1364 /* The FAST macros assume that we already know we're in an X window. */
1366 /* Set a character code and a face ID in a glyph G. */
1367 #define FAST_MAKE_GLYPH(char, face) ((char) | ((face) << CHARACTERBITS))
1369 /* Return a glyph's character code. */
1370 #define FAST_GLYPH_CHAR(glyph) ((glyph) & GLYPH_MASK_CHAR)
1372 /* Return a glyph's face ID. */
1373 #define FAST_GLYPH_FACE(glyph) (((glyph) & GLYPH_MASK_FACE) >> CHARACTERBITS)
1375 /* Slower versions that test the frame type first. */
1376 #define MAKE_GLYPH(f, char, face) (FAST_MAKE_GLYPH (char, face))
1377 #define GLYPH_CHAR(f, g) (FAST_GLYPH_CHAR (g))
1378 #define GLYPH_FACE(f, g) (FAST_GLYPH_FACE (g))
1380 /* Return 1 iff GLYPH contains valid character code. */
1381 #define GLYPH_CHAR_VALID_P(glyph) CHAR_VALID_P (FAST_GLYPH_CHAR (glyph), 1)
1383 /* The ID of the mode line highlighting face. */
1384 #define GLYPH_MODE_LINE_FACE 1
1386 /* Data type checking */
1388 #define NILP(x) (XFASTINT (x) == XFASTINT (Qnil))
1389 #define GC_NILP(x) GC_EQ (x, Qnil)
1391 #define NUMBERP(x) (INTEGERP (x) || FLOATP (x))
1392 #define GC_NUMBERP(x) (GC_INTEGERP (x) || GC_FLOATP (x))
1393 #define NATNUMP(x) (INTEGERP (x) && XINT (x) >= 0)
1394 #define GC_NATNUMP(x) (GC_INTEGERP (x) && XINT (x) >= 0)
1396 #define INTEGERP(x) (XTYPE ((x)) == Lisp_Int)
1397 #define GC_INTEGERP(x) (XGCTYPE ((x)) == Lisp_Int)
1398 #define SYMBOLP(x) (XTYPE ((x)) == Lisp_Symbol)
1399 #define GC_SYMBOLP(x) (XGCTYPE ((x)) == Lisp_Symbol)
1400 #define MISCP(x) (XTYPE ((x)) == Lisp_Misc)
1401 #define GC_MISCP(x) (XGCTYPE ((x)) == Lisp_Misc)
1402 #define VECTORLIKEP(x) (XTYPE ((x)) == Lisp_Vectorlike)
1403 #define GC_VECTORLIKEP(x) (XGCTYPE ((x)) == Lisp_Vectorlike)
1404 #define STRINGP(x) (XTYPE ((x)) == Lisp_String)
1405 #define GC_STRINGP(x) (XGCTYPE ((x)) == Lisp_String)
1406 #define CONSP(x) (XTYPE ((x)) == Lisp_Cons)
1407 #define GC_CONSP(x) (XGCTYPE ((x)) == Lisp_Cons)
1409 #define FLOATP(x) (XTYPE ((x)) == Lisp_Float)
1410 #define GC_FLOATP(x) (XGCTYPE ((x)) == Lisp_Float)
1411 #define VECTORP(x) (VECTORLIKEP (x) && !(XVECTOR (x)->size & PSEUDOVECTOR_FLAG))
1412 #define GC_VECTORP(x) (GC_VECTORLIKEP (x) && !(XVECTOR (x)->size & PSEUDOVECTOR_FLAG))
1413 #define OVERLAYP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Overlay)
1414 #define GC_OVERLAYP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Overlay)
1415 #define MARKERP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Marker)
1416 #define GC_MARKERP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Marker)
1417 #define INTFWDP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Intfwd)
1418 #define GC_INTFWDP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Intfwd)
1419 #define BOOLFWDP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Boolfwd)
1420 #define GC_BOOLFWDP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Boolfwd)
1421 #define OBJFWDP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Objfwd)
1422 #define GC_OBJFWDP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Objfwd)
1423 #define BUFFER_OBJFWDP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Buffer_Objfwd)
1424 #define GC_BUFFER_OBJFWDP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Buffer_Objfwd)
1425 #define BUFFER_LOCAL_VALUEP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Buffer_Local_Value)
1426 #define GC_BUFFER_LOCAL_VALUEP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Buffer_Local_Value)
1427 #define SOME_BUFFER_LOCAL_VALUEP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Some_Buffer_Local_Value)
1428 #define GC_SOME_BUFFER_LOCAL_VALUEP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Some_Buffer_Local_Value)
1429 #define KBOARD_OBJFWDP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Kboard_Objfwd)
1430 #define GC_KBOARD_OBJFWDP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Kboard_Objfwd)
1433 /* True if object X is a pseudovector whose code is CODE. */
1434 #define PSEUDOVECTORP(x, code) \
1436 && (((XVECTOR (x)->size & (PSEUDOVECTOR_FLAG | (code)))) \
1437 == (PSEUDOVECTOR_FLAG | (code))))
1439 /* True if object X is a pseudovector whose code is CODE.
1440 This one works during GC. */
1441 #define GC_PSEUDOVECTORP(x, code) \
1442 (GC_VECTORLIKEP (x) \
1443 && (((XVECTOR (x)->size & (PSEUDOVECTOR_FLAG | (code)))) \
1444 == (PSEUDOVECTOR_FLAG | (code))))
1446 /* Test for specific pseudovector types. */
1447 #define WINDOW_CONFIGURATIONP(x) PSEUDOVECTORP (x, PVEC_WINDOW_CONFIGURATION)
1448 #define GC_WINDOW_CONFIGURATIONP(x) GC_PSEUDOVECTORP (x, PVEC_WINDOW_CONFIGURATION)
1449 #define PROCESSP(x) PSEUDOVECTORP (x, PVEC_PROCESS)
1450 #define GC_PROCESSP(x) GC_PSEUDOVECTORP (x, PVEC_PROCESS)
1451 #define WINDOWP(x) PSEUDOVECTORP (x, PVEC_WINDOW)
1452 #define GC_WINDOWP(x) GC_PSEUDOVECTORP (x, PVEC_WINDOW)
1453 #define SUBRP(x) PSEUDOVECTORP (x, PVEC_SUBR)
1454 #define GC_SUBRP(x) GC_PSEUDOVECTORP (x, PVEC_SUBR)
1455 #define COMPILEDP(x) PSEUDOVECTORP (x, PVEC_COMPILED)
1456 #define GC_COMPILEDP(x) GC_PSEUDOVECTORP (x, PVEC_COMPILED)
1457 #define BUFFERP(x) PSEUDOVECTORP (x, PVEC_BUFFER)
1458 #define GC_BUFFERP(x) GC_PSEUDOVECTORP (x, PVEC_BUFFER)
1459 #define CHAR_TABLE_P(x) PSEUDOVECTORP (x, PVEC_CHAR_TABLE)
1460 #define GC_CHAR_TABLE_P(x) GC_PSEUDOVECTORP (x, PVEC_CHAR_TABLE)
1461 #define BOOL_VECTOR_P(x) PSEUDOVECTORP (x, PVEC_BOOL_VECTOR)
1462 #define GC_BOOL_VECTOR_P(x) GC_PSEUDOVECTORP (x, PVEC_BOOL_VECTOR)
1463 #define FRAMEP(x) PSEUDOVECTORP (x, PVEC_FRAME)
1464 #define GC_FRAMEP(x) GC_PSEUDOVECTORP (x, PVEC_FRAME)
1466 #define SUB_CHAR_TABLE_P(x) (CHAR_TABLE_P (x) && NILP (XCHAR_TABLE (x)->top))
1468 #define EQ(x, y) (XFASTINT (x) == XFASTINT (y))
1469 #define GC_EQ(x, y) (XGCTYPE (x) == XGCTYPE (y) && XPNTR (x) == XPNTR (y))
1471 #define CHECK_LIST(x) \
1472 do { if (!CONSP ((x)) && !NILP (x)) x = wrong_type_argument (Qlistp, (x)); } while (0)
1474 #define CHECK_STRING(x) \
1475 do { if (!STRINGP ((x))) x = wrong_type_argument (Qstringp, (x)); } while (0)
1477 #define CHECK_STRING_CAR(x) \
1478 do { if (!STRINGP (XCAR (x))) XSETCAR (x, wrong_type_argument (Qstringp, XCAR (x))); } while (0)
1480 #define CHECK_CONS(x) \
1481 do { if (!CONSP ((x))) x = wrong_type_argument (Qconsp, (x)); } while (0)
1483 #define CHECK_SYMBOL(x) \
1484 do { if (!SYMBOLP ((x))) x = wrong_type_argument (Qsymbolp, (x)); } while (0)
1486 #define CHECK_CHAR_TABLE(x) \
1487 do { if (!CHAR_TABLE_P ((x))) \
1488 x = wrong_type_argument (Qchar_table_p, (x)); } while (0)
1490 #define CHECK_VECTOR(x) \
1491 do { if (!VECTORP ((x))) x = wrong_type_argument (Qvectorp, (x)); } while (0)
1493 #define CHECK_VECTOR_OR_CHAR_TABLE(x) \
1494 do { if (!VECTORP ((x)) && !CHAR_TABLE_P ((x))) \
1495 x = wrong_type_argument (Qvector_or_char_table_p, (x)); \
1498 #define CHECK_BUFFER(x) \
1499 do { if (!BUFFERP ((x))) x = wrong_type_argument (Qbufferp, (x)); } while (0)
1501 #define CHECK_WINDOW(x) \
1502 do { if (!WINDOWP ((x))) x = wrong_type_argument (Qwindowp, (x)); } while (0)
1504 /* This macro rejects windows on the interior of the window tree as
1505 "dead", which is what we want; this is an argument-checking macro, and
1506 the user should never get access to interior windows.
1508 A window of any sort, leaf or interior, is dead iff the buffer,
1509 vchild, and hchild members are all nil. */
1511 #define CHECK_LIVE_WINDOW(x) \
1513 if (!WINDOWP ((x)) \
1514 || NILP (XWINDOW ((x))->buffer)) \
1515 x = wrong_type_argument (Qwindow_live_p, (x)); \
1518 #define CHECK_PROCESS(x) \
1519 do { if (!PROCESSP ((x))) x = wrong_type_argument (Qprocessp, (x)); } while (0)
1521 #define CHECK_NUMBER(x) \
1522 do { if (!INTEGERP ((x))) x = wrong_type_argument (Qintegerp, (x)); } while (0)
1524 #define CHECK_NATNUM(x) \
1525 do { if (!NATNUMP (x)) x = wrong_type_argument (Qwholenump, (x)); } while (0)
1527 #define CHECK_MARKER(x) \
1528 do { if (!MARKERP ((x))) x = wrong_type_argument (Qmarkerp, (x)); } while (0)
1530 #define CHECK_NUMBER_COERCE_MARKER(x) \
1531 do { if (MARKERP ((x))) XSETFASTINT (x, marker_position (x)); \
1532 else if (!INTEGERP ((x))) x = wrong_type_argument (Qinteger_or_marker_p, (x)); } while (0)
1534 #define XFLOATINT(n) extract_float((n))
1536 #define CHECK_FLOAT(x) \
1537 do { if (!FLOATP (x)) \
1538 x = wrong_type_argument (Qfloatp, (x)); } while (0)
1540 #define CHECK_NUMBER_OR_FLOAT(x) \
1541 do { if (!FLOATP (x) && !INTEGERP (x)) \
1542 x = wrong_type_argument (Qnumberp, (x)); } while (0)
1544 #define CHECK_NUMBER_OR_FLOAT_COERCE_MARKER(x) \
1545 do { if (MARKERP (x)) XSETFASTINT (x, marker_position (x)); \
1546 else if (!INTEGERP (x) && !FLOATP (x)) \
1547 x = wrong_type_argument (Qnumber_or_marker_p, (x)); } while (0)
1549 #define CHECK_OVERLAY(x) \
1550 do { if (!OVERLAYP ((x))) x = wrong_type_argument (Qoverlayp, (x));} while (0)
1552 /* Since we can't assign directly to the CAR or CDR fields of a cons
1553 cell, use these when checking that those fields contain numbers. */
1554 #define CHECK_NUMBER_CAR(x) \
1556 Lisp_Object tmp = XCAR (x); \
1557 CHECK_NUMBER (tmp); \
1558 XSETCAR ((x), tmp); \
1561 #define CHECK_NUMBER_CDR(x) \
1563 Lisp_Object tmp = XCDR (x); \
1564 CHECK_NUMBER (tmp); \
1565 XSETCDR ((x), tmp); \
1568 /* Cast pointers to this type to compare them. Some machines want int. */
1569 #ifndef PNTR_COMPARISON_TYPE
1570 #define PNTR_COMPARISON_TYPE EMACS_UINT
1573 /* Define a built-in function for calling from Lisp.
1574 `lname' should be the name to give the function in Lisp,
1575 as a null-terminated C string.
1576 `fnname' should be the name of the function in C.
1577 By convention, it starts with F.
1578 `sname' should be the name for the C constant structure
1579 that records information on this function for internal use.
1580 By convention, it should be the same as `fnname' but with S instead of F.
1581 It's too bad that C macros can't compute this from `fnname'.
1582 `minargs' should be a number, the minimum number of arguments allowed.
1583 `maxargs' should be a number, the maximum number of arguments allowed,
1584 or else MANY or UNEVALLED.
1585 MANY means pass a vector of evaluated arguments,
1586 in the form of an integer number-of-arguments
1587 followed by the address of a vector of Lisp_Objects
1588 which contains the argument values.
1589 UNEVALLED means pass the list of unevaluated arguments
1590 `prompt' says how to read arguments for an interactive call.
1591 See the doc string for `interactive'.
1592 A null string means call interactively with no arguments.
1593 `doc' is documentation for the user. */
1595 #if (!defined (__STDC__) && !defined (PROTOTYPES)) \
1596 || defined (USE_NONANSI_DEFUN)
1598 #define DEFUN(lname, fnname, sname, minargs, maxargs, prompt, doc) \
1599 Lisp_Object fnname (); \
1600 struct Lisp_Subr sname = \
1601 { PVEC_SUBR | (sizeof (struct Lisp_Subr) / sizeof (EMACS_INT)), \
1602 fnname, minargs, maxargs, lname, prompt, 0}; \
1607 /* This version of DEFUN declares a function prototype with the right
1608 arguments, so we can catch errors with maxargs at compile-time. */
1609 #define DEFUN(lname, fnname, sname, minargs, maxargs, prompt, doc) \
1610 Lisp_Object fnname DEFUN_ARGS_ ## maxargs ; \
1611 struct Lisp_Subr sname = \
1612 { PVEC_SUBR | (sizeof (struct Lisp_Subr) / sizeof (EMACS_INT)), \
1613 fnname, minargs, maxargs, lname, prompt, 0}; \
1616 /* Note that the weird token-substitution semantics of ANSI C makes
1617 this work for MANY and UNEVALLED. */
1618 #define DEFUN_ARGS_MANY (int, Lisp_Object *)
1619 #define DEFUN_ARGS_UNEVALLED (Lisp_Object)
1620 #define DEFUN_ARGS_0 (void)
1621 #define DEFUN_ARGS_1 (Lisp_Object)
1622 #define DEFUN_ARGS_2 (Lisp_Object, Lisp_Object)
1623 #define DEFUN_ARGS_3 (Lisp_Object, Lisp_Object, Lisp_Object)
1624 #define DEFUN_ARGS_4 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object)
1625 #define DEFUN_ARGS_5 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, \
1627 #define DEFUN_ARGS_6 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, \
1628 Lisp_Object, Lisp_Object)
1629 #define DEFUN_ARGS_7 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, \
1630 Lisp_Object, Lisp_Object, Lisp_Object)
1631 #define DEFUN_ARGS_8 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, \
1632 Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object)
1635 /* Non-zero if OBJ is a Lisp function. */
1637 #define FUNCTIONP(OBJ) \
1638 ((CONSP (OBJ) && EQ (XCAR (OBJ), Qlambda)) \
1639 || (SYMBOLP (OBJ) && !NILP (Ffboundp (OBJ))) \
1640 || COMPILEDP (OBJ) \
1644 is how we define the symbol for function `name' at start-up time. */
1645 extern void defsubr
P_ ((struct Lisp_Subr
*));
1648 #define UNEVALLED -1
1650 extern void defvar_lisp
P_ ((char *, Lisp_Object
*));
1651 extern void defvar_lisp_nopro
P_ ((char *, Lisp_Object
*));
1652 extern void defvar_bool
P_ ((char *, int *));
1653 extern void defvar_int
P_ ((char *, EMACS_INT
*));
1654 extern void defvar_per_buffer
P_ ((char *, Lisp_Object
*, Lisp_Object
, char *));
1655 extern void defvar_kboard
P_ ((char *, int));
1657 /* Macros we use to define forwarded Lisp variables.
1658 These are used in the syms_of_FILENAME functions. */
1660 #define DEFVAR_LISP(lname, vname, doc) defvar_lisp (lname, vname)
1661 #define DEFVAR_LISP_NOPRO(lname, vname, doc) defvar_lisp_nopro (lname, vname)
1662 #define DEFVAR_BOOL(lname, vname, doc) defvar_bool (lname, vname)
1663 #define DEFVAR_INT(lname, vname, doc) defvar_int (lname, vname)
1664 #define DEFVAR_PER_BUFFER(lname, vname, type, doc) \
1665 defvar_per_buffer (lname, vname, type, 0)
1666 #define DEFVAR_KBOARD(lname, vname, doc) \
1667 defvar_kboard (lname, \
1668 (int)((char *)(¤t_kboard->vname) \
1669 - (char *)current_kboard))
1673 /* Structure for recording Lisp call stack for backtrace purposes. */
1675 /* The special binding stack holds the outer values of variables while
1676 they are bound by a function application or a let form, stores the
1677 code to be executed for Lisp unwind-protect forms, and stores the C
1678 functions to be called for record_unwind_protect.
1680 If func is non-zero, undoing this binding applies func to old_value;
1681 This implements record_unwind_protect.
1682 If func is zero and symbol is nil, undoing this binding evaluates
1683 the list of forms in old_value; this implements Lisp's unwind-protect
1686 Otherwise, the element is a variable binding.
1688 If the symbol field is a symbol, it is an ordinary variable binding.
1690 Otherwise, it should be a structure (SYMBOL WHERE
1691 . CURRENT-BUFFER), which means having bound a local value while
1692 CURRENT-BUFFER was active. If WHERE is nil this means we saw the
1693 default value when binding SYMBOL. WHERE being a buffer or frame
1694 means we saw a buffer-local or frame-local value. Other values of
1695 WHERE mean an internal error. */
1699 Lisp_Object symbol
, old_value
;
1700 Lisp_Object (*func
) P_ ((Lisp_Object
));
1701 Lisp_Object unused
; /* Dividing by 16 is faster than by 12 */
1704 extern struct specbinding
*specpdl
;
1705 extern struct specbinding
*specpdl_ptr
;
1706 extern int specpdl_size
;
1708 extern EMACS_INT max_specpdl_size
;
1710 #define SPECPDL_INDEX() (specpdl_ptr - specpdl)
1712 /* Everything needed to describe an active condition case. */
1715 /* The handler clauses and variable from the condition-case form. */
1716 Lisp_Object handler
;
1718 /* Fsignal stores here the condition-case clause that applies,
1719 and Fcondition_case thus knows which clause to run. */
1720 Lisp_Object chosen_clause
;
1722 /* Used to effect the longjump out to the handler. */
1723 struct catchtag
*tag
;
1725 /* The next enclosing handler. */
1726 struct handler
*next
;
1729 extern struct handler
*handlerlist
;
1731 extern struct catchtag
*catchlist
;
1732 extern struct backtrace
*backtrace_list
;
1734 extern Lisp_Object memory_signal_data
;
1736 /* An address near the bottom of the stack.
1737 Tells GC how to save a copy of the stack. */
1738 extern char *stack_bottom
;
1740 /* Check quit-flag and quit if it is non-nil.
1741 Typing C-g does not directly cause a quit; it only sets Vquit_flag.
1742 So the program needs to do QUIT at times when it is safe to quit.
1743 Every loop that might run for a long time or might not exit
1744 ought to do QUIT at least once, at a safe place.
1745 Unless that is impossible, of course.
1746 But it is very desirable to avoid creating loops where QUIT is impossible.
1748 Exception: if you set immediate_quit to nonzero,
1749 then the handler that responds to the C-g does the quit itself.
1750 This is a good thing to do around a loop that has no side effects
1751 and (in particular) cannot call arbitrary Lisp code. */
1755 if (!NILP (Vquit_flag) && NILP (Vinhibit_quit)) \
1757 Vquit_flag = Qnil; \
1758 Fsignal (Qquit, Qnil); \
1762 /* Nonzero if ought to quit now. */
1764 #define QUITP (!NILP (Vquit_flag) && NILP (Vinhibit_quit))
1766 /* Variables used locally in the following case handling macros. */
1767 extern int case_temp1
;
1768 extern Lisp_Object case_temp2
;
1770 /* Current buffer's map from characters to lower-case characters. */
1772 #define DOWNCASE_TABLE current_buffer->downcase_table
1774 /* Current buffer's map from characters to upper-case characters. */
1776 #define UPCASE_TABLE current_buffer->upcase_table
1778 /* Downcase a character, or make no change if that cannot be done. */
1780 #define DOWNCASE(CH) \
1781 ((case_temp1 = (CH), \
1782 case_temp2 = CHAR_TABLE_REF (DOWNCASE_TABLE, case_temp1), \
1783 NATNUMP (case_temp2)) \
1784 ? XFASTINT (case_temp2) : case_temp1)
1786 /* 1 if CH is upper case. */
1788 #define UPPERCASEP(CH) (DOWNCASE (CH) != (CH))
1790 /* 1 if CH is neither upper nor lower case. */
1792 #define NOCASEP(CH) (UPCASE1 (CH) == (CH))
1794 /* 1 if CH is lower case. */
1796 #define LOWERCASEP(CH) (!UPPERCASEP (CH) && !NOCASEP(CH))
1798 /* Upcase a character, or make no change if that cannot be done. */
1800 #define UPCASE(CH) (!UPPERCASEP (CH) ? UPCASE1 (CH) : (CH))
1802 /* Upcase a character known to be not upper case. */
1804 #define UPCASE1(CH) \
1805 ((case_temp1 = (CH), \
1806 case_temp2 = CHAR_TABLE_REF (UPCASE_TABLE, case_temp1), \
1807 NATNUMP (case_temp2)) \
1808 ? XFASTINT (case_temp2) : case_temp1)
1810 extern Lisp_Object Vascii_downcase_table
;
1812 /* Number of bytes of structure consed since last GC. */
1814 extern int consing_since_gc
;
1816 /* Threshold for doing another gc. */
1818 extern EMACS_INT gc_cons_threshold
;
1820 /* Structure for recording stack slots that need marking. */
1822 /* This is a chain of structures, each of which points at a Lisp_Object variable
1823 whose value should be marked in garbage collection.
1824 Normally every link of the chain is an automatic variable of a function,
1825 and its `val' points to some argument or local variable of the function.
1826 On exit to the function, the chain is set back to the value it had on entry.
1827 This way, no link remains in the chain when the stack frame containing the
1830 Every function that can call Feval must protect in this fashion all
1831 Lisp_Object variables whose contents will be used again. */
1833 extern struct gcpro
*gcprolist
;
1839 /* Address of first protected variable. */
1840 volatile Lisp_Object
*var
;
1842 /* Number of consecutive protected variables. */
1850 /* Values of GC_MARK_STACK during compilation:
1852 0 Use GCPRO as before
1853 1 Do the real thing, make GCPROs and UNGCPRO no-ops.
1854 2 Mark the stack, and check that everything GCPRO'd is
1856 3 Mark using GCPRO's, mark stack last, and count how many
1857 dead objects are kept alive. */
1860 #define GC_USE_GCPROS_AS_BEFORE 0
1861 #define GC_MAKE_GCPROS_NOOPS 1
1862 #define GC_MARK_STACK_CHECK_GCPROS 2
1863 #define GC_USE_GCPROS_CHECK_ZOMBIES 3
1865 #ifndef GC_MARK_STACK
1866 #define GC_MARK_STACK GC_USE_GCPROS_AS_BEFORE
1869 #if GC_MARK_STACK == GC_MAKE_GCPROS_NOOPS
1871 /* Do something silly with gcproN vars just so gcc shuts up. */
1873 #define GCPRO1(varname) ((void) gcpro1)
1874 #define GCPRO2(varname1, varname2)(((void) gcpro2, (void) gcpro1))
1875 #define GCPRO3(varname1, varname2, varname3) \
1876 (((void) gcpro3, (void) gcpro2, (void) gcpro1))
1877 #define GCPRO4(varname1, varname2, varname3, varname4) \
1878 (((void) gcpro4, (void) gcpro3, (void) gcpro2, (void) gcpro1))
1879 #define GCPRO5(varname1, varname2, varname3, varname4, varname5) \
1880 (((void) gcpro5, (void) gcpro4, (void) gcpro3, (void) gcpro2, (void) gcpro1))
1881 #define GCPRO6(varname1, varname2, varname3, varname4, varname5, varname6) \
1882 (((void) gcpro6, (void) gcpro5, (void) gcpro4, (void) gcpro3, (void) gcpro2, (void) gcpro1))
1883 #define UNGCPRO ((void) 0)
1885 #else /* GC_MARK_STACK != GC_MAKE_GCPROS_NOOPS */
1889 #define GCPRO1(varname) \
1890 {gcpro1.next = gcprolist; gcpro1.var = &varname; gcpro1.nvars = 1; \
1891 gcprolist = &gcpro1; }
1893 #define GCPRO2(varname1, varname2) \
1894 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
1895 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
1896 gcprolist = &gcpro2; }
1898 #define GCPRO3(varname1, varname2, varname3) \
1899 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
1900 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
1901 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
1902 gcprolist = &gcpro3; }
1904 #define GCPRO4(varname1, varname2, varname3, varname4) \
1905 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
1906 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
1907 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
1908 gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \
1909 gcprolist = &gcpro4; }
1911 #define GCPRO5(varname1, varname2, varname3, varname4, varname5) \
1912 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
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 gcpro5.next = &gcpro4; gcpro5.var = &varname5; gcpro5.nvars = 1; \
1917 gcprolist = &gcpro5; }
1919 #define GCPRO6(varname1, varname2, varname3, varname4, varname5, varname6) \
1920 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
1921 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
1922 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
1923 gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \
1924 gcpro5.next = &gcpro4; gcpro5.var = &varname5; gcpro5.nvars = 1; \
1925 gcpro6.next = &gcpro5; gcpro6.var = &varname6; gcpro6.nvars = 1; \
1926 gcprolist = &gcpro6; }
1928 #define UNGCPRO (gcprolist = gcpro1.next)
1932 extern int gcpro_level
;
1934 #define GCPRO1(varname) \
1935 {gcpro1.next = gcprolist; gcpro1.var = &varname; gcpro1.nvars = 1; \
1936 gcpro1.level = gcpro_level++; \
1937 gcprolist = &gcpro1; }
1939 #define GCPRO2(varname1, varname2) \
1940 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
1941 gcpro1.level = gcpro_level; \
1942 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
1943 gcpro2.level = gcpro_level++; \
1944 gcprolist = &gcpro2; }
1946 #define GCPRO3(varname1, varname2, varname3) \
1947 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
1948 gcpro1.level = gcpro_level; \
1949 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
1950 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
1951 gcpro3.level = gcpro_level++; \
1952 gcprolist = &gcpro3; }
1954 #define GCPRO4(varname1, varname2, varname3, varname4) \
1955 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
1956 gcpro1.level = gcpro_level; \
1957 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
1958 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
1959 gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \
1960 gcpro4.level = gcpro_level++; \
1961 gcprolist = &gcpro4; }
1963 #define GCPRO5(varname1, varname2, varname3, varname4, varname5) \
1964 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
1965 gcpro1.level = gcpro_level; \
1966 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
1967 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
1968 gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \
1969 gcpro5.next = &gcpro4; gcpro5.var = &varname5; gcpro5.nvars = 1; \
1970 gcpro5.level = gcpro_level++; \
1971 gcprolist = &gcpro5; }
1973 #define GCPRO6(varname1, varname2, varname3, varname4, varname5, varname6) \
1974 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
1975 gcpro1.level = gcpro_level; \
1976 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
1977 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
1978 gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \
1979 gcpro5.next = &gcpro4; gcpro5.var = &varname5; gcpro5.nvars = 1; \
1980 gcpro6.next = &gcpro5; gcpro6.var = &varname6; gcpro6.nvars = 1; \
1981 gcpro6.level = gcpro_level++; \
1982 gcprolist = &gcpro6; }
1985 ((--gcpro_level != gcpro1.level) \
1987 : ((gcprolist = gcpro1.next), 0))
1989 #endif /* DEBUG_GCPRO */
1990 #endif /* GC_MARK_STACK != GC_MAKE_GCPROS_NOOPS */
1993 /* Evaluate expr, UNGCPRO, and then return the value of expr. */
1994 #define RETURN_UNGCPRO(expr) \
1997 Lisp_Object ret_ungc_val; \
1998 ret_ungc_val = (expr); \
2000 return ret_ungc_val; \
2004 /* Call staticpro (&var) to protect static variable `var'. */
2006 void staticpro
P_ ((Lisp_Object
*));
2008 /* Declare a Lisp-callable function. The MAXARGS parameter has the same
2009 meaning as in the DEFUN macro, and is used to construct a prototype. */
2010 #if (!defined (__STDC__) && !defined (PROTOTYPES)) \
2011 || defined (USE_NONANSI_DEFUN)
2012 #define EXFUN(fnname, maxargs) \
2013 extern Lisp_Object fnname ()
2015 /* We can use the same trick as in the DEFUN macro to generate the
2016 appropriate prototype. */
2017 #define EXFUN(fnname, maxargs) \
2018 extern Lisp_Object fnname DEFUN_ARGS_ ## maxargs
2021 /* Forward declarations for prototypes. */
2025 /* Defined in data.c */
2026 extern Lisp_Object Qnil
, Qt
, Qquote
, Qlambda
, Qsubr
, Qunbound
;
2027 extern Lisp_Object Qerror_conditions
, Qerror_message
, Qtop_level
;
2028 extern Lisp_Object Qerror
, Qquit
, Qwrong_type_argument
, Qargs_out_of_range
;
2029 extern Lisp_Object Qvoid_variable
, Qvoid_function
;
2030 extern Lisp_Object Qsetting_constant
, Qinvalid_read_syntax
;
2031 extern Lisp_Object Qinvalid_function
, Qwrong_number_of_arguments
, Qno_catch
;
2032 extern Lisp_Object Qend_of_file
, Qarith_error
;
2033 extern Lisp_Object Qbeginning_of_buffer
, Qend_of_buffer
, Qbuffer_read_only
;
2034 extern Lisp_Object Qmark_inactive
, Qtext_read_only
;
2036 extern Lisp_Object Qrange_error
, Qdomain_error
, Qsingularity_error
;
2037 extern Lisp_Object Qoverflow_error
, Qunderflow_error
;
2039 extern Lisp_Object Qintegerp
, Qnumberp
, Qnatnump
, Qwholenump
;
2040 extern Lisp_Object Qsymbolp
, Qlistp
, Qconsp
;
2041 extern Lisp_Object Qstringp
, Qarrayp
, Qsequencep
, Qbufferp
;
2042 extern Lisp_Object Qchar_or_string_p
, Qmarkerp
, Qvectorp
;
2043 extern Lisp_Object Qinteger_or_marker_p
, Qnumber_or_marker_p
;
2044 extern Lisp_Object Qchar_table_p
, Qvector_or_char_table_p
;
2045 extern Lisp_Object Qboundp
, Qfboundp
;
2046 extern Lisp_Object Qbuffer_or_string_p
;
2047 extern Lisp_Object Qcdr
;
2049 extern Lisp_Object Qfloatp
, Qinteger_or_floatp
, Qinteger_or_float_or_marker_p
;
2051 extern Lisp_Object Qframep
;
2053 extern void circular_list_error
P_ ((Lisp_Object
));
2061 EXFUN (Fintegerp
, 1);
2062 EXFUN (Fnatnump
, 1);
2063 EXFUN (Fsymbolp
, 1);
2064 EXFUN (Fvectorp
, 1);
2065 EXFUN (Fstringp
, 1);
2066 EXFUN (Fmultibyte_string_p
, 1);
2068 EXFUN (Fsequencep
, 1);
2069 EXFUN (Fbufferp
, 1);
2070 EXFUN (Fmarkerp
, 1);
2072 EXFUN (Fchar_or_string_p
, 1);
2073 EXFUN (Finteger_or_marker_p
, 1);
2075 EXFUN (Finteger_or_floatp
, 1);
2076 EXFUN (Finteger_or_float_or_marker_p
, 1);
2079 EXFUN (Fcar_safe
, 1);
2081 EXFUN (Fcdr_safe
, 1);
2085 EXFUN (Ffboundp
, 1);
2086 EXFUN (Fmakunbound
, 1);
2087 EXFUN (Ffmakunbound
, 1);
2088 EXFUN (Fsymbol_function
, 1);
2089 EXFUN (Fsymbol_plist
, 1);
2090 EXFUN (Fsymbol_name
, 1);
2091 extern Lisp_Object indirect_function
P_ ((Lisp_Object
));
2092 EXFUN (Findirect_function
, 1);
2094 EXFUN (Fsetplist
, 2);
2095 EXFUN (Fsymbol_value
, 1);
2096 extern Lisp_Object find_symbol_value
P_ ((Lisp_Object
));
2098 EXFUN (Fdefault_value
, 1);
2099 EXFUN (Fset_default
, 2);
2100 EXFUN (Fdefault_boundp
, 1);
2101 EXFUN (Fmake_local_variable
, 1);
2102 EXFUN (Flocal_variable_p
, 2);
2103 EXFUN (Flocal_variable_if_set_p
, 2);
2108 EXFUN (Fstring_to_number
, 2);
2109 EXFUN (Fnumber_to_string
, 1);
2110 EXFUN (Feqlsign
, 2);
2117 EXFUN (Fplus
, MANY
);
2118 EXFUN (Fminus
, MANY
);
2119 EXFUN (Ftimes
, MANY
);
2124 EXFUN (Flogand
, MANY
);
2125 EXFUN (Flogior
, MANY
);
2126 EXFUN (Flogxor
, MANY
);
2133 EXFUN (Fmake_variable_buffer_local
, 1);
2135 extern Lisp_Object indirect_variable
P_ ((Lisp_Object
));
2136 extern Lisp_Object long_to_cons
P_ ((unsigned long));
2137 extern unsigned long cons_to_long
P_ ((Lisp_Object
));
2138 extern void args_out_of_range
P_ ((Lisp_Object
, Lisp_Object
));
2139 extern void args_out_of_range_3
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
));
2140 extern Lisp_Object wrong_type_argument
P_ ((Lisp_Object
, Lisp_Object
));
2141 extern void store_symval_forwarding
P_ ((Lisp_Object
, Lisp_Object
,
2142 Lisp_Object
, struct buffer
*));
2143 extern Lisp_Object do_symval_forwarding
P_ ((Lisp_Object
));
2144 extern Lisp_Object set_internal
P_ ((Lisp_Object
, Lisp_Object
, struct buffer
*, int));
2145 extern void syms_of_data
P_ ((void));
2146 extern void init_data
P_ ((void));
2147 extern void swap_in_global_binding
P_ ((Lisp_Object
));
2149 /* Defined in cmds.c */
2150 EXFUN (Fend_of_line
, 1);
2151 EXFUN (Fforward_char
, 1);
2152 EXFUN (Fforward_line
, 1);
2153 extern int forward_point
P_ ((int));
2154 extern int internal_self_insert
P_ ((int, int));
2155 extern void syms_of_cmds
P_ ((void));
2156 extern void keys_of_cmds
P_ ((void));
2158 /* Defined in coding.c */
2159 EXFUN (Fcoding_system_p
, 1);
2160 EXFUN (Fcheck_coding_system
, 1);
2161 EXFUN (Fread_coding_system
, 2);
2162 EXFUN (Fread_non_nil_coding_system
, 1);
2163 EXFUN (Ffind_operation_coding_system
, MANY
);
2164 EXFUN (Fupdate_coding_systems_internal
, 0);
2165 EXFUN (Fencode_coding_string
, 3);
2166 EXFUN (Fdecode_coding_string
, 3);
2167 extern Lisp_Object detect_coding_system
P_ ((const unsigned char *, int, int,
2169 extern void init_coding
P_ ((void));
2170 extern void init_coding_once
P_ ((void));
2171 extern void syms_of_coding
P_ ((void));
2172 extern Lisp_Object code_convert_string_norecord
P_ ((Lisp_Object
, Lisp_Object
,
2175 /* Defined in charset.c */
2176 extern EMACS_INT nonascii_insert_offset
;
2177 extern Lisp_Object Vnonascii_translation_table
;
2178 EXFUN (Fchar_bytes
, 1);
2179 EXFUN (Fchar_width
, 1);
2180 EXFUN (Fstring
, MANY
);
2181 extern int chars_in_text
P_ ((const unsigned char *, int));
2182 extern int multibyte_chars_in_text
P_ ((const unsigned char *, int));
2183 extern int unibyte_char_to_multibyte
P_ ((int));
2184 extern int multibyte_char_to_unibyte
P_ ((int, Lisp_Object
));
2185 extern Lisp_Object Qcharset
;
2186 extern void init_charset_once
P_ ((void));
2187 extern void syms_of_charset
P_ ((void));
2189 /* Defined in syntax.c */
2190 EXFUN (Fforward_word
, 1);
2191 EXFUN (Fskip_chars_forward
, 2);
2192 EXFUN (Fskip_chars_backward
, 2);
2193 EXFUN (Fsyntax_table_p
, 1);
2194 EXFUN (Fsyntax_table
, 0);
2195 EXFUN (Fset_syntax_table
, 1);
2196 extern void init_syntax_once
P_ ((void));
2197 extern void syms_of_syntax
P_ ((void));
2199 /* Defined in fns.c */
2200 extern int use_dialog_box
;
2201 extern int next_almost_prime
P_ ((int));
2202 extern Lisp_Object larger_vector
P_ ((Lisp_Object
, int, Lisp_Object
));
2203 extern void sweep_weak_hash_tables
P_ ((void));
2204 extern Lisp_Object Qstring_lessp
;
2205 EXFUN (Foptimize_char_table
, 1);
2206 extern Lisp_Object Vfeatures
;
2207 extern Lisp_Object QCtest
, QCweakness
, Qequal
;
2208 unsigned sxhash
P_ ((Lisp_Object
, int));
2209 Lisp_Object make_hash_table
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
,
2210 Lisp_Object
, Lisp_Object
, Lisp_Object
,
2212 Lisp_Object copy_hash_table
P_ ((struct Lisp_Hash_Table
*));
2213 int hash_lookup
P_ ((struct Lisp_Hash_Table
*, Lisp_Object
, unsigned *));
2214 int hash_put
P_ ((struct Lisp_Hash_Table
*, Lisp_Object
, Lisp_Object
,
2216 void hash_remove
P_ ((struct Lisp_Hash_Table
*, Lisp_Object
));
2217 void hash_clear
P_ ((struct Lisp_Hash_Table
*));
2218 void remove_hash_entry
P_ ((struct Lisp_Hash_Table
*, int));
2219 extern void init_fns
P_ ((void));
2221 EXFUN (Fmake_hash_table
, MANY
);
2222 EXFUN (Fcopy_hash_table
, 1);
2223 EXFUN (Fhash_table_count
, 1);
2224 EXFUN (Fhash_table_rehash_size
, 1);
2225 EXFUN (Fhash_table_rehash_threshold
, 1);
2226 EXFUN (Fhash_table_size
, 1);
2227 EXFUN (Fhash_table_test
, 1);
2228 EXFUN (Fhash_table_weak
, 1);
2229 EXFUN (Fhash_table_p
, 1);
2230 EXFUN (Fclrhash
, 1);
2231 EXFUN (Fgethash
, 3);
2232 EXFUN (Fputhash
, 3);
2233 EXFUN (Fremhash
, 2);
2234 EXFUN (Fmaphash
, 2);
2235 EXFUN (Fdefine_hash_table_test
, 3);
2237 EXFUN (Fidentity
, 1);
2240 EXFUN (Fsafe_length
, 1);
2241 EXFUN (Fappend
, MANY
);
2242 EXFUN (Fconcat
, MANY
);
2243 EXFUN (Fvconcat
, MANY
);
2244 EXFUN (Fcopy_sequence
, 1);
2245 EXFUN (Fstring_make_multibyte
, 1);
2246 EXFUN (Fstring_make_unibyte
, 1);
2247 EXFUN (Fstring_as_multibyte
, 1);
2248 EXFUN (Fstring_as_unibyte
, 1);
2249 EXFUN (Fsubstring
, 3);
2250 extern Lisp_Object substring_both
P_ ((Lisp_Object
, int, int, int, int));
2261 EXFUN (Freverse
, 1);
2262 EXFUN (Fnreverse
, 1);
2266 EXFUN (Ffillarray
, 2);
2267 EXFUN (Fnconc
, MANY
);
2269 EXFUN (Fmapconcat
, 3);
2270 EXFUN (Fy_or_n_p
, 1);
2271 extern Lisp_Object do_yes_or_no_p
P_ ((Lisp_Object
));
2272 EXFUN (Frequire
, 3);
2273 EXFUN (Fprovide
, 2);
2274 extern Lisp_Object concat2
P_ ((Lisp_Object
, Lisp_Object
));
2275 extern Lisp_Object concat3
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
));
2276 extern Lisp_Object nconc2
P_ ((Lisp_Object
, Lisp_Object
));
2277 extern Lisp_Object assq_no_quit
P_ ((Lisp_Object
, Lisp_Object
));
2278 extern void clear_string_char_byte_cache
P_ ((void));
2279 extern int string_char_to_byte
P_ ((Lisp_Object
, int));
2280 extern int string_byte_to_char
P_ ((Lisp_Object
, int));
2281 extern Lisp_Object string_make_multibyte
P_ ((Lisp_Object
));
2282 extern Lisp_Object string_make_unibyte
P_ ((Lisp_Object
));
2283 EXFUN (Fcopy_alist
, 1);
2284 EXFUN (Fplist_get
, 2);
2285 EXFUN (Fplist_put
, 3);
2286 EXFUN (Fplist_member
, 2);
2287 EXFUN (Fset_char_table_parent
, 2);
2288 EXFUN (Fchar_table_extra_slot
, 2);
2289 EXFUN (Fset_char_table_extra_slot
, 3);
2291 EXFUN (Fstring_equal
, 2);
2292 EXFUN (Fcompare_strings
, 7);
2293 EXFUN (Fstring_lessp
, 2);
2294 extern int char_table_translate
P_ ((Lisp_Object
, int));
2295 extern void map_char_table
P_ ((void (*) (Lisp_Object
, Lisp_Object
, Lisp_Object
),
2296 Lisp_Object
, Lisp_Object
, Lisp_Object
, int,
2298 extern Lisp_Object char_table_ref_and_index
P_ ((Lisp_Object
, int, int *));
2299 extern void syms_of_fns
P_ ((void));
2301 /* Defined in floatfns.c */
2302 extern double extract_float
P_ ((Lisp_Object
));
2304 EXFUN (Ftruncate
, 2);
2305 extern void init_floatfns
P_ ((void));
2306 extern void syms_of_floatfns
P_ ((void));
2308 /* Defined in insdel.c */
2309 extern Lisp_Object Qinhibit_modification_hooks
;
2310 extern void move_gap
P_ ((int));
2311 extern void move_gap_both
P_ ((int, int));
2312 extern void make_gap
P_ ((int));
2313 extern int copy_text
P_ ((const unsigned char *, unsigned char *, int, int, int));
2314 extern int count_size_as_multibyte
P_ ((const unsigned char *, int));
2315 extern int count_combining_before
P_ ((const unsigned char *, int, int, int));
2316 extern int count_combining_after
P_ ((const unsigned char *, int, int, int));
2317 extern void insert
P_ ((const unsigned char *, int));
2318 extern void insert_and_inherit
P_ ((const unsigned char *, int));
2319 extern void insert_1
P_ ((const unsigned char *, int, int, int, int));
2320 extern void insert_1_both
P_ ((const unsigned char *, int, int, int, int, int));
2321 extern void insert_from_string
P_ ((Lisp_Object
, int, int, int, int, int));
2322 extern void insert_from_buffer
P_ ((struct buffer
*, int, int, int));
2323 extern void insert_char
P_ ((int));
2324 extern void insert_string
P_ ((const char *));
2325 extern void insert_before_markers
P_ ((const unsigned char *, int));
2326 extern void insert_before_markers_and_inherit
P_ ((const unsigned char *, int));
2327 extern void insert_from_string_before_markers
P_ ((Lisp_Object
, int, int, int, int, int));
2328 extern void del_range
P_ ((int, int));
2329 extern Lisp_Object del_range_1
P_ ((int, int, int, int));
2330 extern void del_range_byte
P_ ((int, int, int));
2331 extern void del_range_both
P_ ((int, int, int, int, int));
2332 extern Lisp_Object del_range_2
P_ ((int, int, int, int, int));
2333 extern void modify_region
P_ ((struct buffer
*, int, int));
2334 extern void prepare_to_modify_buffer
P_ ((int, int, int *));
2335 extern void signal_before_change
P_ ((int, int, int *));
2336 extern void signal_after_change
P_ ((int, int, int));
2337 extern void adjust_after_replace
P_ ((int, int, Lisp_Object
, int, int));
2338 extern void adjust_after_replace_noundo
P_ ((int, int, int, int, int, int));
2339 extern void adjust_after_insert
P_ ((int, int, int, int, int));
2340 extern void replace_range
P_ ((int, int, Lisp_Object
, int, int, int));
2341 extern void syms_of_insdel
P_ ((void));
2343 /* Defined in dispnew.c */
2344 extern Lisp_Object selected_frame
;
2345 extern EMACS_INT baud_rate
;
2347 EXFUN (Fredraw_frame
, 1);
2348 EXFUN (Fredraw_display
, 0);
2349 EXFUN (Fsleep_for
, 2);
2350 EXFUN (Fsit_for
, 3);
2351 extern Lisp_Object sit_for
P_ ((int, int, int, int, int));
2352 extern void init_display
P_ ((void));
2353 extern void syms_of_display
P_ ((void));
2354 extern void safe_bcopy
P_ ((const char *, char *, int));
2356 /* Defined in xdisp.c */
2357 extern Lisp_Object Qinhibit_point_motion_hooks
;
2358 extern Lisp_Object Qinhibit_redisplay
, Qdisplay
;
2359 extern Lisp_Object Qinhibit_eval_during_redisplay
;
2360 extern Lisp_Object Qmessage_truncate_lines
;
2361 extern Lisp_Object Qcursor_in_non_selected_windows
;
2362 extern Lisp_Object Vmessage_log_max
;
2363 extern int message_enable_multibyte
;
2364 extern Lisp_Object echo_area_buffer
[2];
2365 extern void check_message_stack
P_ ((void));
2366 extern void setup_echo_area_for_printing
P_ ((int));
2367 extern int push_message
P_ ((void));
2368 extern Lisp_Object push_message_unwind
P_ ((Lisp_Object
));
2369 extern void pop_message
P_ ((void));
2370 extern void restore_message
P_ ((void));
2371 extern Lisp_Object current_message
P_ ((void));
2372 extern void set_message
P_ ((const char *s
, Lisp_Object
, int, int));
2373 extern void clear_message
P_ ((int, int));
2374 extern void message
P_ ((/* char *, ... */));
2375 extern void message_nolog
P_ ((/* char *, ... */));
2376 extern void message1
P_ ((char *));
2377 extern void message1_nolog
P_ ((char *));
2378 extern void message2
P_ ((const char *, int, int));
2379 extern void message2_nolog
P_ ((const char *, int, int));
2380 extern void message3
P_ ((Lisp_Object
, int, int));
2381 extern void message3_nolog
P_ ((Lisp_Object
, int, int));
2382 extern void message_dolog
P_ ((const char *, int, int, int));
2383 extern void message_with_string
P_ ((char *, Lisp_Object
, int));
2384 extern void message_log_maybe_newline
P_ ((void));
2385 extern void update_echo_area
P_ ((void));
2386 extern void truncate_echo_area
P_ ((int));
2387 extern void redisplay
P_ ((void));
2388 extern int check_point_in_composition
2389 P_ ((struct buffer
*, int, struct buffer
*, int));
2390 extern void redisplay_preserve_echo_area
P_ ((int));
2391 extern void mark_window_display_accurate
P_ ((Lisp_Object
, int));
2392 extern void prepare_menu_bars
P_ ((void));
2393 extern void syms_of_xdisp
P_ ((void));
2394 extern void init_xdisp
P_ ((void));
2395 extern Lisp_Object safe_eval
P_ ((Lisp_Object
));
2396 extern int pos_visible_p
P_ ((struct window
*, int, int *, int));
2398 /* Defined in vm-limit.c. */
2399 extern void memory_warnings
P_ ((POINTER_TYPE
*, void (*warnfun
) ()));
2401 /* Defined in alloc.c */
2402 extern void check_pure_size
P_ ((void));
2403 extern void allocate_string_data
P_ ((struct Lisp_String
*, int, int));
2404 extern void uninterrupt_malloc
P_ ((void));
2405 extern void malloc_warning
P_ ((char *));
2406 extern void memory_full
P_ ((void));
2407 extern void buffer_memory_full
P_ ((void));
2408 extern int survives_gc_p
P_ ((Lisp_Object
));
2409 extern void mark_object
P_ ((Lisp_Object
*));
2410 extern Lisp_Object Vpurify_flag
;
2411 extern Lisp_Object Vmemory_full
;
2417 EXFUN (Flist
, MANY
);
2418 EXFUN (Fmake_list
, 2);
2419 extern Lisp_Object allocate_misc
P_ ((void));
2420 EXFUN (Fmake_vector
, 2);
2421 EXFUN (Fvector
, MANY
);
2422 EXFUN (Fmake_symbol
, 1);
2423 EXFUN (Fmake_marker
, 0);
2424 EXFUN (Fmake_string
, 2);
2425 extern Lisp_Object build_string
P_ ((const char *));
2426 extern Lisp_Object make_string
P_ ((const char *, int));
2427 extern Lisp_Object make_unibyte_string
P_ ((const char *, int));
2428 extern Lisp_Object make_multibyte_string
P_ ((const char *, int, int));
2429 extern Lisp_Object make_event_array
P_ ((int, Lisp_Object
*));
2430 extern Lisp_Object make_uninit_string
P_ ((int));
2431 extern Lisp_Object make_uninit_multibyte_string
P_ ((int, int));
2432 extern Lisp_Object make_string_from_bytes
P_ ((char *, int, int));
2433 extern Lisp_Object make_specified_string
P_ ((char *, int, int, int));
2434 EXFUN (Fpurecopy
, 1);
2435 extern Lisp_Object make_pure_string
P_ ((char *, int, int, int));
2436 extern Lisp_Object pure_cons
P_ ((Lisp_Object
, Lisp_Object
));
2437 extern Lisp_Object make_pure_vector
P_ ((EMACS_INT
));
2438 EXFUN (Fgarbage_collect
, 0);
2439 EXFUN (Fmake_byte_code
, MANY
);
2440 EXFUN (Fmake_bool_vector
, 2);
2441 EXFUN (Fmake_char_table
, 2);
2442 extern Lisp_Object make_sub_char_table
P_ ((Lisp_Object
));
2443 extern Lisp_Object Qchar_table_extra_slots
;
2444 extern struct Lisp_Vector
*allocate_vector
P_ ((EMACS_INT
));
2445 extern struct Lisp_Vector
*allocate_other_vector
P_ ((EMACS_INT
));
2446 extern struct Lisp_Hash_Table
*allocate_hash_table
P_ ((void));
2447 extern struct window
*allocate_window
P_ ((void));
2448 extern struct frame
*allocate_frame
P_ ((void));
2449 extern struct Lisp_Process
*allocate_process
P_ ((void));
2450 extern int gc_in_progress
;
2451 extern Lisp_Object make_float
P_ ((double));
2452 extern void display_malloc_warning
P_ ((void));
2453 extern int inhibit_garbage_collection
P_ ((void));
2454 extern void free_marker
P_ ((Lisp_Object
));
2455 extern void free_cons
P_ ((struct Lisp_Cons
*));
2456 extern void init_alloc_once
P_ ((void));
2457 extern void init_alloc
P_ ((void));
2458 extern void syms_of_alloc
P_ ((void));
2459 extern struct buffer
* allocate_buffer
P_ ((void));
2461 /* Defined in print.c */
2462 extern Lisp_Object Vprin1_to_string_buffer
;
2463 extern void debug_print
P_ ((Lisp_Object
));
2465 EXFUN (Fprin1_to_string
, 2);
2469 EXFUN (Ferror_message_string
, 1);
2470 extern Lisp_Object Vstandard_output
, Qstandard_output
;
2471 extern Lisp_Object Qexternal_debugging_output
;
2472 extern void temp_output_buffer_setup
P_ ((const char *));
2473 extern int print_level
, print_escape_newlines
;
2474 extern Lisp_Object Qprint_escape_newlines
;
2475 extern void write_string
P_ ((char *, int));
2476 extern void write_string_1
P_ ((char *, int, Lisp_Object
));
2477 extern void print_error_message
P_ ((Lisp_Object
, Lisp_Object
, char *, Lisp_Object
));
2478 extern Lisp_Object internal_with_output_to_temp_buffer
2479 P_ ((const char *, Lisp_Object (*) (Lisp_Object
), Lisp_Object
));
2480 extern void float_to_string
P_ ((unsigned char *, double));
2481 extern void syms_of_print
P_ ((void));
2483 /* Defined in doprnt.c */
2484 extern int doprnt
P_ ((char *, int, char *, char *, int, char **));
2485 extern int doprnt_lisp
P_ ((char *, int, char *, char *, int, char **));
2487 /* Defined in lread.c */
2488 extern Lisp_Object Qvariable_documentation
, Qstandard_input
;
2489 extern Lisp_Object Vobarray
, initial_obarray
, Vstandard_input
;
2491 EXFUN (Fread_from_string
, 3);
2493 EXFUN (Fintern_soft
, 2);
2495 EXFUN (Fget_file_char
, 0);
2496 EXFUN (Fread_char
, 2);
2497 EXFUN (Fread_event
, 2);
2498 extern Lisp_Object read_filtered_event
P_ ((int, int, int, int));
2499 EXFUN (Feval_region
, 4);
2500 extern Lisp_Object intern
P_ ((const char *));
2501 extern Lisp_Object make_symbol
P_ ((char *));
2502 extern Lisp_Object oblookup
P_ ((Lisp_Object
, const char *, int, int));
2503 #define LOADHIST_ATTACH(x) \
2504 if (initialized) Vcurrent_load_list = Fcons (x, Vcurrent_load_list)
2505 extern Lisp_Object Vcurrent_load_list
;
2506 extern Lisp_Object Vload_history
, Vload_suffixes
;
2507 extern int openp
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
,
2508 Lisp_Object
*, Lisp_Object
));
2509 extern int isfloat_string
P_ ((char *));
2510 extern void map_obarray
P_ ((Lisp_Object
, void (*) (Lisp_Object
, Lisp_Object
),
2512 extern void dir_warning
P_ ((char *, Lisp_Object
));
2513 extern void close_load_descs
P_ ((void));
2514 extern void init_obarray
P_ ((void));
2515 extern void init_lread
P_ ((void));
2516 extern void syms_of_lread
P_ ((void));
2518 /* Defined in eval.c */
2519 extern Lisp_Object Qautoload
, Qexit
, Qinteractive
, Qcommandp
, Qdefun
, Qmacro
;
2520 extern Lisp_Object Vinhibit_quit
, Qinhibit_quit
, Vquit_flag
;
2521 extern Lisp_Object Vautoload_queue
;
2522 extern Lisp_Object Vdebug_on_error
;
2523 extern Lisp_Object Vsignaling_function
;
2524 extern int handling_signal
;
2525 extern int interactive_p
P_ ((int));
2527 /* To run a normal hook, use the appropriate function from the list below.
2528 The calling convention:
2530 if (!NILP (Vrun_hooks))
2531 call1 (Vrun_hooks, Qmy_funny_hook);
2533 should no longer be used. */
2534 extern Lisp_Object Vrun_hooks
;
2535 EXFUN (Frun_hooks
, MANY
);
2536 EXFUN (Frun_hook_with_args
, MANY
);
2537 EXFUN (Frun_hook_with_args_until_success
, MANY
);
2538 EXFUN (Frun_hook_with_args_until_failure
, MANY
);
2539 extern Lisp_Object run_hook_list_with_args
P_ ((Lisp_Object
, int, Lisp_Object
*));
2540 extern void run_hook_with_args_2
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
));
2541 EXFUN (Fand
, UNEVALLED
);
2542 EXFUN (For
, UNEVALLED
);
2543 EXFUN (Fif
, UNEVALLED
);
2544 EXFUN (Fprogn
, UNEVALLED
);
2545 EXFUN (Fprog1
, UNEVALLED
);
2546 EXFUN (Fprog2
, UNEVALLED
);
2547 EXFUN (Fsetq
, UNEVALLED
);
2548 EXFUN (Fquote
, UNEVALLED
);
2549 EXFUN (Fuser_variable_p
, 1);
2550 EXFUN (Finteractive_p
, 0);
2551 EXFUN (Fdefun
, UNEVALLED
);
2552 EXFUN (Flet
, UNEVALLED
);
2553 EXFUN (FletX
, UNEVALLED
);
2554 EXFUN (Fwhile
, UNEVALLED
);
2555 EXFUN (Fcatch
, UNEVALLED
);
2556 EXFUN (Fthrow
, 2) NO_RETURN
;
2557 EXFUN (Funwind_protect
, UNEVALLED
);
2558 EXFUN (Fcondition_case
, UNEVALLED
);
2560 EXFUN (Fautoload
, 5);
2561 EXFUN (Fcommandp
, 2);
2563 EXFUN (Fapply
, MANY
);
2564 EXFUN (Ffuncall
, MANY
);
2565 EXFUN (Fbacktrace
, 0);
2566 extern Lisp_Object apply1
P_ ((Lisp_Object
, Lisp_Object
));
2567 extern Lisp_Object call0
P_ ((Lisp_Object
));
2568 extern Lisp_Object call1
P_ ((Lisp_Object
, Lisp_Object
));
2569 extern Lisp_Object call2
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
));
2570 extern Lisp_Object call3
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
));
2571 extern Lisp_Object call4
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
));
2572 extern Lisp_Object call5
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
));
2573 extern Lisp_Object call6
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
));
2574 EXFUN (Fdo_auto_save
, 2);
2575 extern Lisp_Object apply_lambda
P_ ((Lisp_Object
, Lisp_Object
, int));
2576 extern Lisp_Object internal_catch
P_ ((Lisp_Object
, Lisp_Object (*) (Lisp_Object
), Lisp_Object
));
2577 extern Lisp_Object internal_condition_case
P_ ((Lisp_Object (*) (void), Lisp_Object
, Lisp_Object (*) (Lisp_Object
)));
2578 extern Lisp_Object internal_condition_case_1
P_ ((Lisp_Object (*) (Lisp_Object
), Lisp_Object
, Lisp_Object
, Lisp_Object (*) (Lisp_Object
)));
2579 extern Lisp_Object internal_condition_case_2
P_ ((Lisp_Object (*) (int, Lisp_Object
*), int, Lisp_Object
*, Lisp_Object
, Lisp_Object (*) (Lisp_Object
)));
2580 extern void specbind
P_ ((Lisp_Object
, Lisp_Object
));
2581 extern void record_unwind_protect
P_ ((Lisp_Object (*) (Lisp_Object
), Lisp_Object
));
2582 extern Lisp_Object unbind_to
P_ ((int, Lisp_Object
));
2583 extern void error
P_ ((/* char *, ... */)) NO_RETURN
;
2584 extern void do_autoload
P_ ((Lisp_Object
, Lisp_Object
));
2585 extern Lisp_Object un_autoload
P_ ((Lisp_Object
));
2586 EXFUN (Ffetch_bytecode
, 1);
2587 extern void init_eval_once
P_ ((void));
2588 extern Lisp_Object safe_call
P_ ((int, Lisp_Object
*));
2589 extern Lisp_Object safe_call1
P_ ((Lisp_Object
, Lisp_Object
));
2590 extern void init_eval
P_ ((void));
2591 extern void syms_of_eval
P_ ((void));
2593 /* Defined in editfns.c */
2594 EXFUN (Fpropertize
, MANY
);
2595 EXFUN (Fcurrent_message
, 0);
2596 EXFUN (Fgoto_char
, 1);
2597 EXFUN (Fpoint_min_marker
, 0);
2598 EXFUN (Fpoint_max_marker
, 0);
2599 EXFUN (Fpoint_min
, 0);
2600 EXFUN (Fpoint_max
, 0);
2602 EXFUN (Fpoint_marker
, 0);
2603 EXFUN (Fmark_marker
, 0);
2604 EXFUN (Fline_beginning_position
, 1);
2605 EXFUN (Fline_end_position
, 1);
2606 EXFUN (Ffollowing_char
, 0);
2607 EXFUN (Fprevious_char
, 0);
2608 EXFUN (Fchar_after
, 1);
2609 EXFUN (Finsert
, MANY
);
2610 EXFUN (Finsert_and_inherit
, MANY
);
2611 EXFUN (Finsert_before_markers
, MANY
);
2612 EXFUN (Finsert_buffer_substring
, 3);
2613 EXFUN (Finsert_char
, 3);
2614 extern void insert1
P_ ((Lisp_Object
));
2619 EXFUN (Fformat
, MANY
);
2620 EXFUN (Fmessage
, MANY
);
2621 extern Lisp_Object format1
P_ ((/* char *, ... */));
2622 extern Lisp_Object make_buffer_string
P_ ((int, int, int));
2623 EXFUN (Fbuffer_substring
, 2);
2624 EXFUN (Fbuffer_string
, 0);
2625 extern Lisp_Object save_excursion_save
P_ ((void));
2626 extern Lisp_Object save_restriction_save
P_ ((void));
2627 extern Lisp_Object save_excursion_restore
P_ ((Lisp_Object
));
2628 extern Lisp_Object save_restriction_restore
P_ ((Lisp_Object
));
2629 EXFUN (Fchar_to_string
, 1);
2630 EXFUN (Fdelete_region
, 2);
2631 EXFUN (Fnarrow_to_region
, 2);
2633 EXFUN (Fuser_login_name
, 1);
2634 EXFUN (Fsystem_name
, 0);
2635 EXFUN (Fcurrent_time
, 0);
2636 extern int clip_to_bounds
P_ ((int, int, int));
2637 extern Lisp_Object make_buffer_string
P_ ((int, int, int));
2638 extern Lisp_Object make_buffer_string_both
P_ ((int, int, int, int, int));
2639 extern void init_editfns
P_ ((void));
2640 extern void syms_of_editfns
P_ ((void));
2641 EXFUN (Fcurrent_message
, 0);
2642 extern Lisp_Object Vinhibit_field_text_motion
;
2643 EXFUN (Fconstrain_to_field
, 5);
2644 EXFUN (Ffield_string
, 1);
2645 EXFUN (Fdelete_field
, 1);
2646 EXFUN (Ffield_beginning
, 3);
2647 EXFUN (Ffield_end
, 3);
2648 EXFUN (Ffield_string_no_properties
, 1);
2649 extern void set_time_zone_rule
P_ ((char *));
2651 /* defined in buffer.c */
2652 extern int mouse_face_overlay_overlaps
P_ ((Lisp_Object
));
2653 extern void nsberror
P_ ((Lisp_Object
));
2654 extern char *no_switch_window
P_ ((Lisp_Object window
));
2655 EXFUN (Fset_buffer_multibyte
, 1);
2656 EXFUN (Foverlay_start
, 1);
2657 EXFUN (Foverlay_end
, 1);
2658 extern void adjust_overlays_for_insert
P_ ((int, int));
2659 extern void adjust_overlays_for_delete
P_ ((int, int));
2660 extern void fix_overlays_in_range
P_ ((int, int));
2661 extern void report_overlay_modification
P_ ((Lisp_Object
, Lisp_Object
, int,
2662 Lisp_Object
, Lisp_Object
, Lisp_Object
));
2663 extern int overlay_touches_p
P_ ((int));
2664 extern Lisp_Object Vbuffer_alist
, Vinhibit_read_only
;
2665 EXFUN (Fget_buffer
, 1);
2666 EXFUN (Fget_buffer_create
, 1);
2667 EXFUN (Fset_buffer
, 1);
2668 EXFUN (set_buffer_if_live
, 1);
2669 EXFUN (Fbarf_if_buffer_read_only
, 0);
2670 EXFUN (Fcurrent_buffer
, 0);
2671 EXFUN (Fswitch_to_buffer
, 2);
2672 EXFUN (Fpop_to_buffer
, 3);
2673 EXFUN (Fother_buffer
, 3);
2674 EXFUN (Foverlay_get
, 2);
2675 EXFUN (Fbuffer_modified_p
, 1);
2676 EXFUN (Fset_buffer_modified_p
, 1);
2677 EXFUN (Fkill_buffer
, 1);
2678 EXFUN (Fkill_all_local_variables
, 0);
2679 EXFUN (Fbuffer_disable_undo
, 1);
2680 EXFUN (Fbuffer_enable_undo
, 1);
2681 EXFUN (Ferase_buffer
, 0);
2682 extern Lisp_Object Qoverlayp
;
2683 extern Lisp_Object get_truename_buffer
P_ ((Lisp_Object
));
2684 extern struct buffer
*all_buffers
;
2685 EXFUN (Fprevious_overlay_change
, 1);
2686 EXFUN (Fbuffer_file_name
, 1);
2687 extern void init_buffer_once
P_ ((void));
2688 extern void init_buffer
P_ ((void));
2689 extern void syms_of_buffer
P_ ((void));
2690 extern void keys_of_buffer
P_ ((void));
2692 /* defined in marker.c */
2694 EXFUN (Fmarker_position
, 1);
2695 EXFUN (Fmarker_buffer
, 1);
2696 EXFUN (Fcopy_marker
, 2);
2697 EXFUN (Fset_marker
, 3);
2698 extern int marker_position
P_ ((Lisp_Object
));
2699 extern int marker_byte_position
P_ ((Lisp_Object
));
2700 extern void clear_charpos_cache
P_ ((struct buffer
*));
2701 extern int charpos_to_bytepos
P_ ((int));
2702 extern int buf_charpos_to_bytepos
P_ ((struct buffer
*, int));
2703 extern int buf_bytepos_to_charpos
P_ ((struct buffer
*, int));
2704 extern void unchain_marker
P_ ((Lisp_Object
));
2705 extern Lisp_Object set_marker_restricted
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
));
2706 extern Lisp_Object set_marker_both
P_ ((Lisp_Object
, Lisp_Object
, int, int));
2707 extern Lisp_Object set_marker_restricted_both
P_ ((Lisp_Object
, Lisp_Object
,
2709 extern void syms_of_marker
P_ ((void));
2711 /* Defined in fileio.c */
2713 extern Lisp_Object Qfile_error
;
2714 EXFUN (Ffind_file_name_handler
, 2);
2715 EXFUN (Ffile_name_as_directory
, 1);
2716 EXFUN (Fmake_temp_name
, 1);
2717 EXFUN (Fexpand_file_name
, 2);
2718 EXFUN (Ffile_name_nondirectory
, 1);
2719 EXFUN (Fsubstitute_in_file_name
, 1);
2720 EXFUN (Ffile_symlink_p
, 1);
2721 EXFUN (Fverify_visited_file_modtime
, 1);
2722 EXFUN (Ffile_exists_p
, 1);
2723 EXFUN (Ffile_name_absolute_p
, 1);
2724 EXFUN (Fdirectory_file_name
, 1);
2725 EXFUN (Ffile_name_directory
, 1);
2726 extern Lisp_Object expand_and_dir_to_file
P_ ((Lisp_Object
, Lisp_Object
));
2727 EXFUN (Ffile_accessible_directory_p
, 1);
2728 EXFUN (Funhandled_file_name_directory
, 1);
2729 EXFUN (Ffile_directory_p
, 1);
2730 EXFUN (Fwrite_region
, 7);
2731 EXFUN (Ffile_readable_p
, 1);
2732 EXFUN (Ffile_executable_p
, 1);
2733 EXFUN (Fread_file_name
, 6);
2734 extern Lisp_Object close_file_unwind
P_ ((Lisp_Object
));
2735 extern void report_file_error
P_ ((const char *, Lisp_Object
));
2736 extern int internal_delete_file
P_ ((Lisp_Object
));
2737 extern void syms_of_fileio
P_ ((void));
2738 EXFUN (Fmake_temp_name
, 1);
2739 extern void init_fileio_once
P_ ((void));
2740 extern Lisp_Object make_temp_name
P_ ((Lisp_Object
, int));
2742 /* Defined in abbrev.c */
2744 extern Lisp_Object Vfundamental_mode_abbrev_table
;
2745 extern void syms_of_abbrev
P_ ((void));
2747 /* defined in search.c */
2748 extern void shrink_regexp_cache
P_ ((void));
2749 EXFUN (Fstring_match
, 3);
2750 extern void restore_match_data
P_ ((void));
2751 EXFUN (Fmatch_data
, 2);
2752 EXFUN (Fset_match_data
, 1);
2753 EXFUN (Fmatch_beginning
, 1);
2754 EXFUN (Fmatch_end
, 1);
2755 EXFUN (Flooking_at
, 1);
2756 extern int fast_string_match
P_ ((Lisp_Object
, Lisp_Object
));
2757 extern int fast_c_string_match_ignore_case
P_ ((Lisp_Object
, const char *));
2758 extern int scan_buffer
P_ ((int, int, int, int, int *, int));
2759 extern int scan_newline
P_ ((int, int, int, int, int, int));
2760 extern int find_next_newline
P_ ((int, int));
2761 extern int find_next_newline_no_quit
P_ ((int, int));
2762 extern int find_before_next_newline
P_ ((int, int, int));
2763 extern void syms_of_search
P_ ((void));
2765 /* defined in minibuf.c */
2767 extern Lisp_Object last_minibuf_string
;
2768 extern void choose_minibuf_frame
P_ ((void));
2769 EXFUN (Fcompleting_read
, 8);
2770 EXFUN (Fread_from_minibuffer
, 7);
2771 EXFUN (Fread_variable
, 2);
2772 EXFUN (Fread_buffer
, 3);
2773 EXFUN (Fread_minibuffer
, 2);
2774 EXFUN (Feval_minibuffer
, 2);
2775 EXFUN (Fread_string
, 5);
2776 EXFUN (Fread_no_blanks_input
, 3);
2777 extern Lisp_Object get_minibuffer
P_ ((int));
2778 extern void temp_echo_area_glyphs
P_ ((const char *));
2779 extern void init_minibuf_once
P_ ((void));
2780 extern void syms_of_minibuf
P_ ((void));
2781 extern void keys_of_minibuf
P_ ((void));
2783 /* Defined in callint.c */
2785 extern Lisp_Object Qminus
, Qplus
, Vcurrent_prefix_arg
;
2786 extern Lisp_Object Vcommand_history
;
2787 extern Lisp_Object Qcall_interactively
, Qmouse_leave_buffer_hook
;
2788 EXFUN (Fcall_interactively
, 3);
2789 EXFUN (Fprefix_numeric_value
, 1);
2790 extern void syms_of_callint
P_ ((void));
2792 /* defined in casefiddle.c */
2794 EXFUN (Fdowncase
, 1);
2796 EXFUN (Fcapitalize
, 1);
2797 EXFUN (Fupcase_region
, 2);
2798 EXFUN (Fupcase_initials
, 1);
2799 EXFUN (Fupcase_initials_region
, 2);
2800 extern void syms_of_casefiddle
P_ ((void));
2801 extern void keys_of_casefiddle
P_ ((void));
2803 /* defined in casetab.c */
2805 EXFUN (Fset_case_table
, 1);
2806 EXFUN (Fset_standard_case_table
, 1);
2807 extern void init_casetab_once
P_ ((void));
2808 extern void syms_of_casetab
P_ ((void));
2810 /* defined in keyboard.c */
2813 extern Lisp_Object echo_message_buffer
;
2814 extern struct kboard
*echo_kboard
;
2815 extern void cancel_echoing
P_ ((void));
2816 extern Lisp_Object Qdisabled
, QCfilter
;
2817 extern Lisp_Object Vtty_erase_char
, Vhelp_form
, Vtop_level
;
2818 extern int input_pending
;
2819 EXFUN (Fdiscard_input
, 0);
2820 EXFUN (Frecursive_edit
, 0);
2821 EXFUN (Ftop_level
, 0);
2822 EXFUN (Fcommand_execute
, 4);
2823 EXFUN (Finput_pending_p
, 0);
2824 extern Lisp_Object menu_bar_items
P_ ((Lisp_Object
));
2825 extern Lisp_Object tool_bar_items
P_ ((Lisp_Object
, int *));
2826 extern Lisp_Object Qvertical_scroll_bar
;
2827 extern void discard_mouse_events
P_ ((void));
2828 EXFUN (Fevent_convert_list
, 1);
2829 EXFUN (Fread_key_sequence
, 5);
2830 EXFUN (Fset_input_mode
, 4);
2831 extern int detect_input_pending
P_ ((void));
2832 extern int detect_input_pending_run_timers
P_ ((int));
2833 extern void safe_run_hooks
P_ ((Lisp_Object
));
2834 extern void cmd_error_internal
P_ ((Lisp_Object
, char *));
2835 extern Lisp_Object command_loop_1
P_ ((void));
2836 extern Lisp_Object recursive_edit_1
P_ ((void));
2837 extern void record_auto_save
P_ ((void));
2838 extern void init_keyboard
P_ ((void));
2839 extern void syms_of_keyboard
P_ ((void));
2840 extern void keys_of_keyboard
P_ ((void));
2841 extern char *push_key_description
P_ ((unsigned int, char *, int));
2844 /* defined in indent.c */
2845 EXFUN (Fvertical_motion
, 2);
2846 EXFUN (Findent_to
, 2);
2847 EXFUN (Fcurrent_column
, 0);
2848 EXFUN (Fmove_to_column
, 2);
2849 extern double current_column
P_ ((void));
2850 extern void invalidate_current_column
P_ ((void));
2851 extern int indented_beyond_p
P_ ((int, int, double));
2852 extern void syms_of_indent
P_ ((void));
2854 /* defined in window.c */
2855 extern Lisp_Object Qwindowp
, Qwindow_live_p
;
2856 extern Lisp_Object Vwindow_list
;
2857 EXFUN (Fwindow_end
, 2);
2858 EXFUN (Fselected_window
, 0);
2859 EXFUN (Fnext_window
, 3);
2860 EXFUN (Fdelete_window
, 1);
2861 EXFUN (Fselect_window
, 1);
2862 EXFUN (Fset_window_buffer
, 2);
2863 EXFUN (Fwindow_buffer
, 1);
2864 EXFUN (Fget_buffer_window
, 2);
2865 EXFUN (Fsave_window_excursion
, UNEVALLED
);
2866 EXFUN (Fsplit_window
, 3);
2867 EXFUN (Fset_window_configuration
, 1);
2868 EXFUN (Fcurrent_window_configuration
, 1);
2869 extern int compare_window_configurations
P_ ((Lisp_Object
, Lisp_Object
, int));
2870 EXFUN (Fcoordinates_in_window_p
, 2);
2871 EXFUN (Fwindow_at
, 3);
2872 EXFUN (Fpos_visible_in_window_p
, 3);
2873 extern void mark_window_cursors_off
P_ ((struct window
*));
2874 extern int window_internal_height
P_ ((struct window
*));
2875 extern int window_internal_width
P_ ((struct window
*));
2876 EXFUN (Frecenter
, 1);
2877 EXFUN (Fscroll_other_window
, 1);
2878 EXFUN (Fset_window_start
, 3);
2879 extern void temp_output_buffer_show
P_ ((Lisp_Object
));
2880 extern void replace_buffer_in_all_windows
P_ ((Lisp_Object
));
2881 extern void init_window_once
P_ ((void));
2882 extern void init_window
P_ ((void));
2883 extern void syms_of_window
P_ ((void));
2884 extern void keys_of_window
P_ ((void));
2886 /* defined in frame.c */
2887 extern Lisp_Object Qvisible
;
2888 extern void store_frame_param
P_ ((struct frame
*, Lisp_Object
, Lisp_Object
));
2889 extern void store_in_alist
P_ ((Lisp_Object
*, Lisp_Object
, Lisp_Object
));
2890 extern Lisp_Object do_switch_frame
P_ ((Lisp_Object
, int, int));
2891 extern Lisp_Object get_frame_param
P_ ((struct frame
*, Lisp_Object
));
2892 extern Lisp_Object frame_buffer_predicate
P_ ((Lisp_Object
));
2894 EXFUN (Fselect_frame
, 2);
2895 EXFUN (Fselected_frame
, 0);
2896 EXFUN (Fwindow_frame
, 1);
2897 EXFUN (Fframe_root_window
, 1);
2898 EXFUN (Fframe_first_window
, 1);
2899 EXFUN (Fframe_selected_window
, 1);
2900 EXFUN (Fframe_list
, 0);
2901 EXFUN (Fnext_frame
, 2);
2902 EXFUN (Fdelete_frame
, 2);
2903 EXFUN (Fset_mouse_position
, 3);
2904 EXFUN (Fmake_frame_visible
, 1);
2905 EXFUN (Fmake_frame_invisible
, 2);
2906 EXFUN (Ficonify_frame
, 1);
2907 EXFUN (Fframe_visible_p
, 1);
2908 EXFUN (Fvisible_frame_list
, 0);
2909 EXFUN (Fframe_parameter
, 2);
2910 EXFUN (Fframe_parameters
, 1);
2911 EXFUN (Fmodify_frame_parameters
, 2);
2912 EXFUN (Fset_frame_height
, 3);
2913 EXFUN (Fset_frame_width
, 3);
2914 EXFUN (Fset_frame_size
, 3);
2915 EXFUN (Fset_frame_position
, 3);
2916 EXFUN (Fraise_frame
, 1);
2917 EXFUN (Fredirect_frame_focus
, 2);
2918 EXFUN (Fset_frame_selected_window
, 2);
2919 extern Lisp_Object frame_buffer_list
P_ ((Lisp_Object
));
2920 extern void frames_discard_buffer
P_ ((Lisp_Object
));
2921 extern void set_frame_buffer_list
P_ ((Lisp_Object
, Lisp_Object
));
2922 extern void frames_bury_buffer
P_ ((Lisp_Object
));
2923 extern void syms_of_frame
P_ ((void));
2925 /* defined in emacs.c */
2926 extern Lisp_Object decode_env_path
P_ ((char *, char *));
2927 extern Lisp_Object Vinvocation_name
, Vinvocation_directory
;
2928 extern Lisp_Object Vinstallation_directory
, empty_string
;
2929 EXFUN (Fkill_emacs
, 1);
2931 void fixup_locale
P_ ((void));
2932 void synchronize_system_messages_locale
P_ ((void));
2933 void synchronize_system_time_locale
P_ ((void));
2935 #define setlocale(category, locale)
2936 #define fixup_locale()
2937 #define synchronize_system_messages_locale()
2938 #define synchronize_system_time_locale()
2940 void shut_down_emacs
P_ ((int, int, Lisp_Object
));
2941 /* Nonzero means don't do interactive redisplay and don't change tty modes */
2942 extern int noninteractive
;
2943 /* Nonzero means don't do use window-system-specific display code */
2944 extern int inhibit_window_system
;
2945 /* Nonzero means that a filter or a sentinel is running. */
2946 extern int running_asynch_code
;
2948 /* defined in process.c */
2949 EXFUN (Fget_process
, 1);
2950 EXFUN (Fget_buffer_process
, 1);
2951 EXFUN (Fprocessp
, 1);
2952 EXFUN (Fprocess_status
, 1);
2953 EXFUN (Fkill_process
, 2);
2954 EXFUN (Fprocess_send_eof
, 1);
2955 EXFUN (Fwaiting_for_user_input_p
, 0);
2956 extern Lisp_Object Qprocessp
;
2957 extern void kill_buffer_processes
P_ ((Lisp_Object
));
2958 extern int wait_reading_process_input
P_ ((int, int, Lisp_Object
, int));
2959 extern void deactivate_process
P_ ((Lisp_Object
));
2960 extern void add_keyboard_wait_descriptor
P_ ((int));
2961 extern void delete_keyboard_wait_descriptor
P_ ((int));
2962 extern void close_process_descs
P_ ((void));
2963 extern void status_notify
P_ ((void));
2964 extern int read_process_output
P_ ((Lisp_Object
, int));
2965 extern void init_process
P_ ((void));
2966 extern void syms_of_process
P_ ((void));
2968 /* defined in callproc.c */
2969 extern Lisp_Object Vexec_path
, Vexec_suffixes
,
2970 Vexec_directory
, Vdata_directory
;
2971 extern Lisp_Object Vdoc_directory
;
2972 EXFUN (Fcall_process
, MANY
);
2973 extern int child_setup
P_ ((int, int, int, char **, int, Lisp_Object
));
2974 extern void init_callproc_1
P_ ((void));
2975 extern void init_callproc
P_ ((void));
2976 extern void set_process_environment
P_ ((void));
2977 extern void syms_of_callproc
P_ ((void));
2979 /* defined in doc.c */
2980 extern Lisp_Object Vdoc_file_name
;
2981 EXFUN (Fsubstitute_command_keys
, 1);
2982 EXFUN (Fdocumentation
, 2);
2983 EXFUN (Fdocumentation_property
, 3);
2984 extern Lisp_Object read_doc_string
P_ ((Lisp_Object
));
2985 extern Lisp_Object get_doc_string
P_ ((Lisp_Object
, int, int));
2986 extern void syms_of_doc
P_ ((void));
2987 extern int read_bytecode_char
P_ ((int));
2989 /* defined in bytecode.c */
2990 extern Lisp_Object Qbytecode
;
2991 EXFUN (Fbyte_code
, 3);
2992 extern void syms_of_bytecode
P_ ((void));
2993 extern struct byte_stack
*byte_stack_list
;
2994 extern void mark_byte_stack
P_ ((void));
2995 extern void unmark_byte_stack
P_ ((void));
2997 /* defined in macros.c */
2998 extern Lisp_Object Qexecute_kbd_macro
;
2999 EXFUN (Fexecute_kbd_macro
, 2);
3000 extern void init_macros
P_ ((void));
3001 extern void syms_of_macros
P_ ((void));
3003 /* defined in undo.c */
3004 extern Lisp_Object Qinhibit_read_only
;
3005 EXFUN (Fundo_boundary
, 0);
3006 extern Lisp_Object truncate_undo_list
P_ ((Lisp_Object
, int, int));
3007 extern void record_marker_adjustment
P_ ((Lisp_Object
, int));
3008 extern void record_insert
P_ ((int, int));
3009 extern void record_delete
P_ ((int, Lisp_Object
));
3010 extern void record_first_change
P_ ((void));
3011 extern void record_change
P_ ((int, int));
3012 extern void record_property_change
P_ ((int, int, Lisp_Object
, Lisp_Object
,
3014 extern void syms_of_undo
P_ ((void));
3016 /* defined in textprop.c */
3017 extern Lisp_Object Qmodification_hooks
;
3018 extern Lisp_Object Qrear_nonsticky
, Qfont
, Qmouse_face
;
3019 extern Lisp_Object Qinsert_in_front_hooks
, Qinsert_behind_hooks
;
3020 EXFUN (Fnext_property_change
, 3);
3021 EXFUN (Fnext_single_property_change
, 4);
3022 EXFUN (Fnext_single_char_property_change
, 4);
3023 EXFUN (Fprevious_single_property_change
, 4);
3024 EXFUN (Fget_text_property
, 3);
3025 EXFUN (Fput_text_property
, 5);
3026 EXFUN (Fset_text_properties
, 4);
3027 EXFUN (Ftext_property_not_all
, 5);
3028 EXFUN (Fprevious_char_property_change
, 2);
3029 EXFUN (Fnext_char_property_change
, 2);
3030 extern void report_interval_modification
P_ ((Lisp_Object
, Lisp_Object
));
3031 extern void syms_of_textprop
P_ ((void));
3032 extern Lisp_Object next_single_char_property_change
P_ ((Lisp_Object
,
3036 extern Lisp_Object set_text_properties
P_ ((Lisp_Object
, Lisp_Object
,
3037 Lisp_Object
, Lisp_Object
,
3040 /* defined in xmenu.c */
3041 EXFUN (Fx_popup_menu
, 2);
3042 EXFUN (Fx_popup_dialog
, 2);
3043 extern void syms_of_xmenu
P_ ((void));
3044 extern int popup_activated_flag
;
3046 /* defined in sysdep.c */
3047 extern void stuff_char
P_ ((char c
));
3048 extern void init_sigio
P_ ((int));
3049 extern void request_sigio
P_ ((void));
3050 extern void unrequest_sigio
P_ ((void));
3051 extern void reset_sys_modes
P_ ((void));
3052 extern void sys_subshell
P_ ((void));
3053 extern void sys_suspend
P_ ((void));
3054 extern void discard_tty_input
P_ ((void));
3055 extern void init_sys_modes
P_ ((void));
3056 extern void reset_sys_modes
P_ ((void));
3057 extern void get_frame_size
P_ ((int *, int *));
3058 extern void wait_for_termination
P_ ((int));
3059 extern void flush_pending_output
P_ ((int));
3060 extern void child_setup_tty
P_ ((int));
3061 extern void setup_pty
P_ ((int));
3062 extern int set_window_size
P_ ((int, int, int));
3063 extern void create_process
P_ ((Lisp_Object
, char **, Lisp_Object
));
3064 extern int tabs_safe_p
P_ ((void));
3065 extern void init_baud_rate
P_ ((void));
3066 extern int emacs_open
P_ ((const char *, int, int));
3067 extern int emacs_close
P_ ((int));
3068 extern int emacs_read
P_ ((int, char *, unsigned int));
3069 extern int emacs_write
P_ ((int, const char *, unsigned int));
3071 /* defined in filelock.c */
3072 EXFUN (Funlock_buffer
, 0);
3073 EXFUN (Ffile_locked_p
, 1);
3074 extern void unlock_all_files
P_ ((void));
3075 extern void lock_file
P_ ((Lisp_Object
));
3076 extern void unlock_file
P_ ((Lisp_Object
));
3077 extern void unlock_buffer
P_ ((struct buffer
*));
3078 extern void syms_of_filelock
P_ ((void));
3079 extern void init_filelock
P_ ((void));
3081 /* Defined in sound.c */
3082 extern void syms_of_sound
P_ ((void));
3083 extern void init_sound
P_ ((void));
3085 /* Defined in category.c */
3086 extern void init_category_once
P_ ((void));
3087 extern void syms_of_category
P_ ((void));
3089 /* Defined in ccl.c */
3090 extern void syms_of_ccl
P_ ((void));
3092 /* Defined in dired.c */
3093 EXFUN (Ffile_attributes
, 1);
3094 extern void syms_of_dired
P_ ((void));
3096 /* Defined in term.c */
3097 extern void syms_of_term
P_ ((void));
3098 extern void fatal () NO_RETURN
;
3100 #ifdef HAVE_X_WINDOWS
3101 /* Defined in fontset.c */
3102 extern void syms_of_fontset
P_ ((void));
3103 EXFUN (Fset_fontset_font
, 4);
3106 /* Defined in xfaces.c */
3107 extern void syms_of_xfaces
P_ ((void));
3109 /* Defined in getloadavg.c */
3110 extern int getloadavg
P_ ((double *, int));
3112 #ifdef HAVE_X_WINDOWS
3113 /* Defined in xfns.c */
3114 extern void syms_of_xfns
P_ ((void));
3115 extern void init_xfns
P_ ((void));
3116 extern Lisp_Object Vx_resource_name
;
3117 EXFUN (Fxw_display_color_p
, 1);
3118 EXFUN (Fx_file_dialog
, 4);
3119 #endif /* HAVE_X_WINDOWS */
3121 /* Defined in xsmfns.c */
3122 extern void syms_of_xsmfns
P_ ((void));
3124 /* Defined in xselect.c */
3125 extern void syms_of_xselect
P_ ((void));
3127 /* Defined in xterm.c */
3128 extern void syms_of_xterm
P_ ((void));
3130 /* Defined in getloadavg.c */
3131 extern int getloadavg
P_ ((double [], int));
3133 /* Nonzero means Emacs has already been initialized.
3134 Used during startup to detect startup of dumped Emacs. */
3135 extern int initialized
;
3137 extern int immediate_quit
; /* Nonzero means ^G can quit instantly */
3139 extern POINTER_TYPE
*xmalloc
P_ ((size_t));
3140 extern POINTER_TYPE
*xrealloc
P_ ((POINTER_TYPE
*, size_t));
3141 extern void xfree
P_ ((POINTER_TYPE
*));
3143 extern char *xstrdup
P_ ((const char *));
3146 extern char *egetenv
P_ ((char *));
3149 /* Set up the name of the machine we're running on. */
3150 extern void init_system_name
P_ ((void));
3152 /* Some systems (e.g., NT) use a different path separator than Unix,
3153 in addition to a device separator. Default the path separator
3154 to '/', and don't test for a device separator in IS_ANY_SEP. */
3157 extern Lisp_Object Vdirectory_sep_char
;
3160 #ifndef DIRECTORY_SEP
3161 #define DIRECTORY_SEP '/'
3163 #ifndef IS_DIRECTORY_SEP
3164 #define IS_DIRECTORY_SEP(_c_) ((_c_) == DIRECTORY_SEP)
3166 #ifndef IS_DEVICE_SEP
3168 #define IS_DEVICE_SEP(_c_) 0
3170 #define IS_DEVICE_SEP(_c_) ((_c_) == DEVICE_SEP)
3174 #define IS_ANY_SEP(_c_) (IS_DIRECTORY_SEP (_c_))
3177 #ifdef SWITCH_ENUM_BUG
3178 #define SWITCH_ENUM_CAST(x) ((int)(x))
3180 #define SWITCH_ENUM_CAST(x) (x)
3183 /* Loop over Lisp list LIST. Signal an error if LIST is not a proper
3184 list, or if it contains circles.
3186 HARE and TORTOISE should be the names of Lisp_Object variables, and
3187 N should be the name of an EMACS_INT variable declared in the
3188 function where the macro is used. Each nested loop should use
3191 In the loop body, HARE is set to each cons of LIST, and N is the
3192 length of the list processed so far. */
3194 #define LIST_END_P(list, obj) \
3199 : (wrong_type_argument (Qlistp, (list))), 1))
3201 #define FOREACH(hare, list, tortoise, n) \
3202 for (tortoise = hare = (list), n = 0; \
3203 !LIST_END_P (list, hare); \
3204 (hare = XCDR (hare), ++n, \
3206 ? (tortoise = XCDR (tortoise), \
3207 (EQ (hare, tortoise) \
3208 && (circular_list_error ((list)), 1))) \
3211 /* The ubiquitous min and max macros. */
3217 #define min(a, b) ((a) < (b) ? (a) : (b))
3218 #define max(a, b) ((a) > (b) ? (a) : (b))
3220 /* Return a fixnum or float, depending on whether VAL fits in a Lisp
3223 #define make_fixnum_or_float(val) \
3224 (FIXNUM_OVERFLOW_P (val) \
3225 ? make_float (val) \
3226 : make_number ((EMACS_INT)(val)))