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))
356 #define XSET(var, type, ptr) \
357 ((var) = ((EMACS_INT)(type) << VALBITS) + ((EMACS_INT) (ptr) & VALMASK))
360 /* Convert a C integer into a Lisp_Object integer. */
362 #define make_number(N) \
363 ((((EMACS_INT) (N)) & VALMASK) | ((EMACS_INT) Lisp_Int) << VALBITS)
365 /* During garbage collection, XGCTYPE must be used for extracting types
366 so that the mark bit is ignored. XMARKBIT accesses the markbit.
367 Markbits are used only in particular slots of particular structure types.
368 Other markbits are always zero.
369 Outside of garbage collection, all mark bits are always zero. */
372 #define XGCTYPE(a) ((enum Lisp_Type) (((a) >> VALBITS) & GCTYPEMASK))
375 #if VALBITS + GCTYPEBITS == BITS_PER_EMACS_INT - 1
376 /* Make XMARKBIT faster if mark bit is sign bit. */
378 #define XMARKBIT(a) ((a) < 0)
380 #endif /* markbit is sign bit */
383 #define XMARKBIT(a) ((a) & MARKBIT)
387 #define XSETMARKBIT(a,b) ((a) = ((a) & ~MARKBIT) | ((b) ? MARKBIT : 0))
391 #define XMARK(a) ((a) |= MARKBIT)
395 #define XUNMARK(a) ((a) &= ~MARKBIT)
398 #endif /* NO_UNION_TYPE */
400 #ifndef NO_UNION_TYPE
402 #define XTYPE(a) ((enum Lisp_Type) (a).u.type)
403 #define XSETTYPE(a, b) ((a).u.type = (char) (b))
405 /* For integers known to be positive, XFASTINT provides fast retrieval
406 and XSETFASTINT provides fast storage. This takes advantage of the
407 fact that Lisp_Int is 0. */
408 #define XFASTINT(a) ((a).i + 0)
409 #define XSETFASTINT(a, b) ((a).i = (b))
411 #ifdef EXPLICIT_SIGN_EXTEND
412 /* Make sure we sign-extend; compilers have been known to fail to do so. */
413 #define XINT(a) (((a).i << (BITS_PER_EMACS_INT - VALBITS)) \
414 >> (BITS_PER_EMACS_INT - VALBITS))
416 #define XINT(a) ((a).s.val)
417 #endif /* EXPLICIT_SIGN_EXTEND */
419 #define XUINT(a) ((a).u.val)
421 #define XSET(var, vartype, ptr) \
422 (((var).s.val = ((EMACS_INT) (ptr))), ((var).s.type = ((char) (vartype))))
424 #if __GNUC__ >= 2 && defined (__OPTIMIZE__)
425 #define make_number(N) \
426 (__extension__ ({ Lisp_Object _l; _l.s.val = (N); _l.s.type = Lisp_Int; _l; }))
428 extern Lisp_Object
make_number ();
431 /* During garbage collection, XGCTYPE must be used for extracting types
432 so that the mark bit is ignored. XMARKBIT access the markbit.
433 Markbits are used only in particular slots of particular structure types.
434 Other markbits are always zero.
435 Outside of garbage collection, all mark bits are always zero. */
437 #define XGCTYPE(a) ((a).gu.type)
438 #define XMARKBIT(a) ((a).gu.markbit)
439 #define XSETMARKBIT(a,b) (XMARKBIT(a) = (b))
440 #define XMARK(a) (XMARKBIT(a) = 1)
441 #define XUNMARK(a) (XMARKBIT(a) = 0)
443 #endif /* NO_UNION_TYPE */
447 /* In this representation, data is found in two widely separated segments. */
448 extern size_t pure_size
;
450 (XUINT (a) | (XUINT (a) > pure_size ? DATA_SEG_BITS : PURE_SEG_BITS))
451 #else /* not HAVE_SHM */
453 /* This case is used for the rt-pc.
454 In the diffs I was given, it checked for ptr = 0
455 and did not adjust it in that case.
456 But I don't think that zero should ever be found
457 in a Lisp object whose data type says it points to something. */
458 #define XPNTR(a) (XUINT (a) | DATA_SEG_BITS)
460 #define XPNTR(a) XUINT (a)
462 #endif /* not HAVE_SHM */
463 #endif /* no XPNTR */
465 /* Largest and smallest representable fixnum values. These are the C
468 #define MOST_NEGATIVE_FIXNUM - ((EMACS_INT) 1 << (VALBITS - 1))
469 #define MOST_POSITIVE_FIXNUM (((EMACS_INT) 1 << (VALBITS - 1)) - 1)
471 /* Value is non-zero if C integer I doesn't fit into a Lisp fixnum. */
473 #define FIXNUM_OVERFLOW_P(i) \
474 ((EMACS_INT)(i) > MOST_POSITIVE_FIXNUM \
475 || (EMACS_INT) (i) < MOST_NEGATIVE_FIXNUM)
477 /* Extract a value or address from a Lisp_Object. */
479 #define XCONS(a) (eassert (GC_CONSP(a)),(struct Lisp_Cons *) XPNTR(a))
480 #define XVECTOR(a) (eassert (GC_VECTORLIKEP(a)),(struct Lisp_Vector *) XPNTR(a))
481 #define XSTRING(a) (eassert (GC_STRINGP(a)),(struct Lisp_String *) XPNTR(a))
482 #define XSYMBOL(a) (eassert (GC_SYMBOLP(a)),(struct Lisp_Symbol *) XPNTR(a))
483 #define XFLOAT(a) (eassert (GC_FLOATP(a)),(struct Lisp_Float *) XPNTR(a))
487 #define XMISC(a) ((union Lisp_Misc *) XPNTR(a))
488 #define XMISCTYPE(a) (XMARKER (a)->type)
489 #define XMARKER(a) (&(XMISC(a)->u_marker))
490 #define XINTFWD(a) (&(XMISC(a)->u_intfwd))
491 #define XBOOLFWD(a) (&(XMISC(a)->u_boolfwd))
492 #define XOBJFWD(a) (&(XMISC(a)->u_objfwd))
493 #define XBUFFER_OBJFWD(a) (&(XMISC(a)->u_buffer_objfwd))
494 #define XBUFFER_LOCAL_VALUE(a) (&(XMISC(a)->u_buffer_local_value))
495 #define XOVERLAY(a) (&(XMISC(a)->u_overlay))
496 #define XKBOARD_OBJFWD(a) (&(XMISC(a)->u_kboard_objfwd))
498 /* Pseudovector types. */
500 #define XPROCESS(a) (eassert (GC_PROCESSP(a)),(struct Lisp_Process *) XPNTR(a))
501 #define XWINDOW(a) (eassert (GC_WINDOWP(a)),(struct window *) XPNTR(a))
502 #define XSUBR(a) (eassert (GC_SUBRP(a)),(struct Lisp_Subr *) XPNTR(a))
503 #define XBUFFER(a) (eassert (GC_BUFFERP(a)),(struct buffer *) XPNTR(a))
504 #define XCHAR_TABLE(a) ((struct Lisp_Char_Table *) XPNTR(a))
505 #define XBOOL_VECTOR(a) ((struct Lisp_Bool_Vector *) XPNTR(a))
507 /* Construct a Lisp_Object from a value or address. */
509 #define XSETINT(a, b) XSET (a, Lisp_Int, b)
510 #define XSETCONS(a, b) XSET (a, Lisp_Cons, b)
511 #define XSETVECTOR(a, b) XSET (a, Lisp_Vectorlike, b)
512 #define XSETSTRING(a, b) XSET (a, Lisp_String, b)
513 #define XSETSYMBOL(a, b) XSET (a, Lisp_Symbol, b)
514 #define XSETFLOAT(a, b) XSET (a, Lisp_Float, b)
518 #define XSETMISC(a, b) XSET (a, Lisp_Misc, b)
519 #define XSETMARKER(a, b) (XSETMISC (a, b), XMISCTYPE (a) = Lisp_Misc_Marker)
521 /* Pseudovector types. */
523 #define XSETPSEUDOVECTOR(a, b, code) \
524 (XSETVECTOR (a, b), XVECTOR (a)->size |= PSEUDOVECTOR_FLAG | (code))
525 #define XSETWINDOW_CONFIGURATION(a, b) \
526 (XSETPSEUDOVECTOR (a, b, PVEC_WINDOW_CONFIGURATION))
527 #define XSETPROCESS(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_PROCESS))
528 #define XSETWINDOW(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_WINDOW))
529 #define XSETSUBR(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_SUBR))
530 #define XSETCOMPILED(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_COMPILED))
531 #define XSETBUFFER(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_BUFFER))
532 #define XSETCHAR_TABLE(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_CHAR_TABLE))
533 #define XSETBOOL_VECTOR(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_BOOL_VECTOR))
535 /* Convenience macros for dealing with Lisp arrays. */
537 #define AREF(ARRAY, IDX) XVECTOR ((ARRAY))->contents[IDX]
538 #define ASET(ARRAY, IDX, VAL) (AREF ((ARRAY), (IDX)) = (VAL))
539 #define ASIZE(ARRAY) XVECTOR ((ARRAY))->size
541 /* Convenience macros for dealing with Lisp strings. */
543 #define SREF(string, index) (XSTRING (string)->data[index] + 0)
544 #define SSET(string, index, new) (XSTRING (string)->data[index] = (new))
545 #define SDATA(string) (XSTRING (string)->data + 0)
546 #define SCHARS(string) (XSTRING (string)->size + 0)
547 #define SBYTES(string) (STRING_BYTES (XSTRING (string)) + 0)
549 #define STRING_SET_CHARS(string, newsize) \
550 (XSTRING (string)->size = (newsize))
552 #define STRING_COPYIN(string, index, new, count) \
553 bcopy (new, XSTRING (string)->data + index, count)
556 /* Basic data type for use of intervals. See the macros in intervals.h. */
560 /* The first group of entries deal with the tree structure. */
562 unsigned int total_length
; /* Length of myself and both children. */
563 unsigned int position
; /* Cache of interval's character position. */
564 /* This field is usually updated
565 simultaneously with an interval
566 traversal, there is no guarantee
567 that it is valid for a random
569 struct interval
*left
; /* Intervals which precede me. */
570 struct interval
*right
; /* Intervals which succeed me. */
572 /* Parent in the tree, or the Lisp_Object containing this interval tree.
574 The mark bit on the root interval of an interval tree says
575 whether we have started (and possibly finished) marking the
576 tree. If GC comes across an interval tree whose root's parent
577 field has its markbit set, it leaves the tree alone.
579 You'd think we could store this information in the parent object
580 somewhere (after all, that should be visited once and then
581 ignored too, right?), but strings are GC'd strangely. */
584 struct interval
*interval
;
587 unsigned int up_obj
: 1;
589 /* The remaining components are `properties' of the interval.
590 The first four are duplicates for things which can be on the list,
591 for purposes of speed. */
593 unsigned int write_protect
: 1; /* Non-zero means can't modify. */
594 unsigned int visible
: 1; /* Zero means don't display. */
595 unsigned int front_sticky
: 1; /* Non-zero means text inserted just
596 before this interval goes into it. */
597 unsigned int rear_sticky
: 1; /* Likewise for just after it. */
599 /* Properties of this interval.
600 The mark bit on this field says whether this particular interval
601 tree node has been visited. Since intervals should never be
602 shared, GC aborts if it seems to have visited an interval twice. */
606 typedef struct interval
*INTERVAL
;
608 /* Complain if object is not string or buffer type */
609 #define CHECK_STRING_OR_BUFFER(x) \
610 { if (!STRINGP ((x)) && !BUFFERP ((x))) \
611 x = wrong_type_argument (Qbuffer_or_string_p, (x)); }
613 /* In a cons, the markbit of the car is the gc mark bit */
617 /* Please do not use the names of these elements in code other
618 than the core lisp implementation. Use XCAR and XCDR below. */
619 #ifdef HIDE_LISP_IMPLEMENTATION
620 Lisp_Object car_
, cdr_
;
622 Lisp_Object car
, cdr
;
626 /* Take the car or cdr of something known to be a cons cell. */
627 /* The _AS_LVALUE macros shouldn't be used outside of the minimal set
628 of code that has to know what a cons cell looks like. Other code not
629 part of the basic lisp implementation should assume that the car and cdr
630 fields are not accessible as lvalues. (What if we want to switch to
631 a copying collector someday? Cached cons cell field addresses may be
632 invalidated at arbitrary points.) */
633 #ifdef HIDE_LISP_IMPLEMENTATION
634 #define XCAR_AS_LVALUE(c) (XCONS ((c))->car_)
635 #define XCDR_AS_LVALUE(c) (XCONS ((c))->cdr_)
637 #define XCAR_AS_LVALUE(c) (XCONS ((c))->car)
638 #define XCDR_AS_LVALUE(c) (XCONS ((c))->cdr)
641 /* Use these from normal code. */
642 #define XCAR(c) LISP_MAKE_RVALUE(XCAR_AS_LVALUE(c))
643 #define XCDR(c) LISP_MAKE_RVALUE(XCDR_AS_LVALUE(c))
645 /* Use these to set the fields of a cons cell.
647 Note that both arguments may refer to the same object, so 'n'
648 should not be read after 'c' is first modified. Also, neither
649 argument should be evaluated more than once; side effects are
650 especially common in the second argument. */
651 #define XSETCAR(c,n) (XCAR_AS_LVALUE(c) = (n))
652 #define XSETCDR(c,n) (XCDR_AS_LVALUE(c) = (n))
654 /* For performance: Fast storage of positive integers into the
655 fields of a cons cell. See above caveats. */
656 #define XSETCARFASTINT(c,n) XSETFASTINT(XCAR_AS_LVALUE(c),(n))
657 #define XSETCDRFASTINT(c,n) XSETFASTINT(XCDR_AS_LVALUE(c),(n))
659 /* Take the car or cdr of something whose type is not known. */
661 (CONSP ((c)) ? XCAR ((c)) \
662 : NILP ((c)) ? Qnil \
663 : wrong_type_argument (Qlistp, (c)))
666 (CONSP ((c)) ? XCDR ((c)) \
667 : NILP ((c)) ? Qnil \
668 : wrong_type_argument (Qlistp, (c)))
670 /* Nonzero if STR is a multibyte string. */
671 #define STRING_MULTIBYTE(STR) \
672 (XSTRING (STR)->size_byte >= 0)
674 /* Return the length in bytes of STR. */
676 #ifdef GC_CHECK_STRING_BYTES
679 extern int string_bytes
P_ ((struct Lisp_String
*));
680 #define STRING_BYTES(S) string_bytes ((S))
682 #else /* not GC_CHECK_STRING_BYTES */
684 #define STRING_BYTES(STR) \
685 ((STR)->size_byte < 0 ? (STR)->size : (STR)->size_byte)
687 #endif /* not GC_CHECK_STRING_BYTES */
689 /* Mark STR as a unibyte string. */
690 #define STRING_SET_UNIBYTE(STR) (XSTRING (STR)->size_byte = -1)
692 /* Get text properties. */
693 #define STRING_INTERVALS(STR) (XSTRING (STR)->intervals + 0)
695 /* Set text properties. */
696 #define STRING_SET_INTERVALS(STR, INT) (XSTRING (STR)->intervals = (INT))
698 /* In a string or vector, the sign bit of the `size' is the gc mark bit */
704 INTERVAL intervals
; /* text properties in this string */
708 /* If a struct is made to look like a vector, this macro returns the length
709 of the shortest vector that would hold that struct. */
710 #define VECSIZE(type) ((sizeof (type) - (sizeof (struct Lisp_Vector) \
711 - sizeof (Lisp_Object)) \
712 + sizeof(Lisp_Object) - 1) /* round up */ \
713 / sizeof (Lisp_Object))
718 struct Lisp_Vector
*next
;
719 Lisp_Object contents
[1];
722 /* A char table is a kind of vectorlike, with contents are like a
723 vector but with a few other slots. For some purposes, it makes
724 sense to handle a chartable with type struct Lisp_Vector. An
725 element of a char table can be any Lisp objects, but if it is a sub
726 char-table, we treat it a table that contains information of a
727 group of characters of the same charsets or a specific character of
728 a charset. A sub char-table has the same structure as a char table
729 except for that the former omits several slots at the tail. A sub
730 char table appears only in an element of a char table, and there's
731 no way to access it directly from Emacs Lisp program. */
733 /* This is the number of slots that apply to characters or character
734 sets. The first 128 are for ASCII, the next 128 are for 8-bit
735 European characters, and the last 128 are for multibyte characters.
736 The first 256 are indexed by the code itself, but the last 128 are
737 indexed by (charset-id + 128). */
738 #define CHAR_TABLE_ORDINARY_SLOTS 384
740 /* This is the number of slots that apply to characters of ASCII and
741 8-bit Europeans only. */
742 #define CHAR_TABLE_SINGLE_BYTE_SLOTS 256
744 /* This is the number of slots that every char table must have. This
745 counts the ordinary slots and the top, defalt, parent, and purpose
747 #define CHAR_TABLE_STANDARD_SLOTS (CHAR_TABLE_ORDINARY_SLOTS + 4)
749 /* This is the number of slots that apply to position-code-1 and
750 position-code-2 of a multibyte character at the 2nd and 3rd level
751 sub char tables respectively. */
752 #define SUB_CHAR_TABLE_ORDINARY_SLOTS 128
754 /* This is the number of slots that every sub char table must have.
755 This counts the ordinary slots and the top and defalt slot. */
756 #define SUB_CHAR_TABLE_STANDARD_SLOTS (SUB_CHAR_TABLE_ORDINARY_SLOTS + 2)
758 /* Return the number of "extra" slots in the char table CT. */
760 #define CHAR_TABLE_EXTRA_SLOTS(CT) \
761 (((CT)->size & PSEUDOVECTOR_SIZE_MASK) - CHAR_TABLE_STANDARD_SLOTS)
763 /* Almost equivalent to Faref (CT, IDX) with optimization for ASCII
764 and 8-bit Europeans characters. For these characters, do not check
765 validity of CT. Do not follow parent. */
766 #define CHAR_TABLE_REF(CT, IDX) \
767 ((IDX) >= 0 && (IDX) < CHAR_TABLE_SINGLE_BYTE_SLOTS \
768 ? (!NILP (XCHAR_TABLE (CT)->contents[IDX]) \
769 ? XCHAR_TABLE (CT)->contents[IDX] \
770 : XCHAR_TABLE (CT)->defalt) \
771 : Faref (CT, make_number (IDX)))
773 /* Almost equivalent to Faref (CT, IDX) with optimization for ASCII
774 and 8-bit Europeans characters. However, if the result is nil,
777 For these characters, do not check validity of CT
778 and do not follow parent. */
779 #define CHAR_TABLE_TRANSLATE(CT, IDX) \
780 ((IDX) < CHAR_TABLE_SINGLE_BYTE_SLOTS \
781 ? (!NILP (XCHAR_TABLE (CT)->contents[IDX]) \
782 ? XINT (XCHAR_TABLE (CT)->contents[IDX]) \
784 : char_table_translate (CT, IDX))
786 /* Equivalent to Faset (CT, IDX, VAL) with optimization for ASCII and
787 8-bit Europeans characters. Do not check validity of CT. */
788 #define CHAR_TABLE_SET(CT, IDX, VAL) \
790 if (XFASTINT (IDX) < CHAR_TABLE_SINGLE_BYTE_SLOTS) \
791 XCHAR_TABLE (CT)->contents[XFASTINT (IDX)] = VAL; \
793 Faset (CT, IDX, VAL); \
796 struct Lisp_Char_Table
798 /* This is the vector's size field, which also holds the
799 pseudovector type information. It holds the size, too.
800 The size counts the top, defalt, purpose, and parent slots.
801 The last three are not counted if this is a sub char table. */
803 struct Lisp_Vector
*next
;
804 /* This holds a flag to tell if this is a top level char table (t)
805 or a sub char table (nil). */
807 /* This holds a default value,
808 which is used whenever the value for a specific character is nil. */
810 /* This holds an actual value of each element. A sub char table
811 has only SUB_CHAR_TABLE_ORDINARY_SLOTS number of elements. */
812 Lisp_Object contents
[CHAR_TABLE_ORDINARY_SLOTS
];
814 /* A sub char table doesn't has the following slots. */
816 /* This points to another char table, which we inherit from
817 when the value for a specific character is nil.
818 The `defalt' slot takes precedence over this. */
820 /* This should be a symbol which says what kind of use
821 this char-table is meant for.
822 Typically now the values can be `syntax-table' and `display-table'. */
824 /* These hold additional data. */
825 Lisp_Object extras
[1];
828 /* A boolvector is a kind of vectorlike, with contents are like a string. */
829 struct Lisp_Bool_Vector
831 /* This is the vector's size field. It doesn't have the real size,
832 just the subtype information. */
833 EMACS_INT vector_size
;
834 struct Lisp_Vector
*next
;
835 /* This is the size in bits. */
837 /* This contains the actual bits, packed into bytes. */
838 unsigned char data
[1];
841 /* This structure describes a built-in function.
842 It is generated by the DEFUN macro only.
843 defsubr makes it into a Lisp object.
845 This type is treated in most respects as a pseudovector,
846 but since we never dynamically allocate or free them,
847 we don't need a next-vector field. */
852 Lisp_Object (*function
) ();
853 short min_args
, max_args
;
860 /***********************************************************************
862 ***********************************************************************/
864 /* Interned state of a symbol. */
868 SYMBOL_UNINTERNED
= 0,
870 SYMBOL_INTERNED_IN_INITIAL_OBARRAY
= 2
873 /* In a symbol, the markbit of the plist is used as the gc mark bit */
877 /* Non-zero means symbol serves as a variable alias. The symbol
878 holding the real value is found in the value slot. */
879 unsigned indirect_variable
: 1;
881 /* Non-zero means symbol is constant, i.e. changing its value
882 should signal an error. */
883 unsigned constant
: 1;
885 /* Interned state of the symbol. This is an enumerator from
886 enum symbol_interned. */
887 unsigned interned
: 2;
889 /* The symbol's name, as a Lisp string.
891 The name "xname" is used to intentionally break code referring to
892 the old field "name" of type pointer to struct Lisp_String. */
895 /* Value of the symbol or Qunbound if unbound. If this symbol is a
896 defvaralias, `value' contains the symbol for which it is an
897 alias. Use the SYMBOL_VALUE and SET_SYMBOL_VALUE macros to get
898 and set a symbol's value, to take defvaralias into account. */
901 /* Function value of the symbol or Qunbound if not fboundp. */
902 Lisp_Object function
;
904 /* The symbol's property list. */
907 /* Next symbol in obarray bucket, if the symbol is interned. */
908 struct Lisp_Symbol
*next
;
911 /* Value is name of symbol. */
913 #define SYMBOL_NAME(sym) \
914 LISP_MAKE_RVALUE (XSYMBOL (sym)->xname)
916 /* Value is non-zero if SYM is an interned symbol. */
918 #define SYMBOL_INTERNED_P(sym) \
919 (XSYMBOL (sym)->interned != SYMBOL_UNINTERNED)
921 /* Value is non-zero if SYM is interned in initial_obarray. */
923 #define SYMBOL_INTERNED_IN_INITIAL_OBARRAY_P(sym) \
924 (XSYMBOL (sym)->interned == SYMBOL_INTERNED_IN_INITIAL_OBARRAY)
926 /* Value is non-zero if symbol is considered a constant, i.e. its
927 value cannot be changed (there is an exception for keyword symbols,
928 whose value can be set to the keyword symbol itself). */
930 #define SYMBOL_CONSTANT_P(sym) XSYMBOL (sym)->constant
932 /* Value is the value of SYM, with defvaralias taken into
935 #define SYMBOL_VALUE(sym) \
936 (XSYMBOL (sym)->indirect_variable \
937 ? XSYMBOL (indirect_variable (sym))->value \
938 : XSYMBOL (sym)->value)
940 /* Set SYM's value to VAL, taking defvaralias into account. */
942 #define SET_SYMBOL_VALUE(sym, val) \
944 if (XSYMBOL (sym)->indirect_variable) \
945 XSYMBOL (indirect_variable ((sym)))->value = (val); \
947 XSYMBOL (sym)->value = (val); \
951 /***********************************************************************
953 ***********************************************************************/
955 /* The structure of a Lisp hash table. */
957 struct Lisp_Hash_Table
959 /* Vector fields. The hash table code doesn't refer to these. */
961 struct Lisp_Vector
*vec_next
;
963 /* Function used to compare keys. */
966 /* Nil if table is non-weak. Otherwise a symbol describing the
967 weakness of the table. */
970 /* When the table is resized, and this is an integer, compute the
971 new size by adding this to the old size. If a float, compute the
972 new size by multiplying the old size with this factor. */
973 Lisp_Object rehash_size
;
975 /* Resize hash table when number of entries/ table size is >= this
977 Lisp_Object rehash_threshold
;
979 /* Number of key/value entries in the table. */
982 /* Vector of keys and values. The key of item I is found at index
983 2 * I, the value is found at index 2 * I + 1. */
984 Lisp_Object key_and_value
;
986 /* Vector of hash codes.. If hash[I] is nil, this means that that
987 entry I is unused. */
990 /* Vector used to chain entries. If entry I is free, next[I] is the
991 entry number of the next free item. If entry I is non-free,
992 next[I] is the index of the next entry in the collision chain. */
995 /* Index of first free entry in free list. */
996 Lisp_Object next_free
;
998 /* Bucket vector. A non-nil entry is the index of the first item in
999 a collision chain. This vector's size can be larger than the
1000 hash table size to reduce collisions. */
1003 /* Next weak hash table if this is a weak hash table. The head
1004 of the list is in Vweak_hash_tables. */
1005 Lisp_Object next_weak
;
1007 /* User-supplied hash function, or nil. */
1008 Lisp_Object user_hash_function
;
1010 /* User-supplied key comparison function, or nil. */
1011 Lisp_Object user_cmp_function
;
1013 /* C function to compare two keys. */
1014 int (* cmpfn
) P_ ((struct Lisp_Hash_Table
*, Lisp_Object
,
1015 unsigned, Lisp_Object
, unsigned));
1017 /* C function to compute hash code. */
1018 unsigned (* hashfn
) P_ ((struct Lisp_Hash_Table
*, Lisp_Object
));
1022 #define XHASH_TABLE(OBJ) \
1023 ((struct Lisp_Hash_Table *) XPNTR (OBJ))
1025 #define XSET_HASH_TABLE(VAR, PTR) \
1026 (XSETPSEUDOVECTOR (VAR, PTR, PVEC_HASH_TABLE))
1028 #define HASH_TABLE_P(OBJ) PSEUDOVECTORP (OBJ, PVEC_HASH_TABLE)
1029 #define GC_HASH_TABLE_P(x) GC_PSEUDOVECTORP (x, PVEC_HASH_TABLE)
1031 #define CHECK_HASH_TABLE(x) \
1034 if (!HASH_TABLE_P ((x))) \
1035 x = wrong_type_argument (Qhash_table_p, (x)); \
1039 /* Value is the key part of entry IDX in hash table H. */
1041 #define HASH_KEY(H, IDX) AREF ((H)->key_and_value, 2 * (IDX))
1043 /* Value is the value part of entry IDX in hash table H. */
1045 #define HASH_VALUE(H, IDX) AREF ((H)->key_and_value, 2 * (IDX) + 1)
1047 /* Value is the index of the next entry following the one at IDX
1050 #define HASH_NEXT(H, IDX) AREF ((H)->next, (IDX))
1052 /* Value is the hash code computed for entry IDX in hash table H. */
1054 #define HASH_HASH(H, IDX) AREF ((H)->hash, (IDX))
1056 /* Value is the index of the element in hash table H that is the
1057 start of the collision list at index IDX in the index vector of H. */
1059 #define HASH_INDEX(H, IDX) AREF ((H)->index, (IDX))
1061 /* Value is the size of hash table H. */
1063 #define HASH_TABLE_SIZE(H) XVECTOR ((H)->next)->size
1065 /* Default size for hash tables if not specified. */
1067 #define DEFAULT_HASH_SIZE 65
1069 /* Default threshold specifying when to resize a hash table. The
1070 value gives the ratio of current entries in the hash table and the
1071 size of the hash table. */
1073 #define DEFAULT_REHASH_THRESHOLD 0.8
1075 /* Default factor by which to increase the size of a hash table. */
1077 #define DEFAULT_REHASH_SIZE 1.5
1080 /* These structures are used for various misc types. */
1082 /* A miscellaneous object, when it's on the free list. */
1085 int type
: 16; /* = Lisp_Misc_Free */
1087 union Lisp_Misc
*chain
;
1090 /* In a marker, the markbit of the chain field is used as the gc mark bit. */
1093 int type
: 16; /* = Lisp_Misc_Marker */
1095 /* 1 means normal insertion at the marker's position
1096 leaves the marker after the inserted text. */
1097 unsigned int insertion_type
: 1;
1098 /* This is the buffer that the marker points into,
1099 or 0 if it points nowhere. */
1100 struct buffer
*buffer
;
1102 /* The remaining fields are meaningless in a marker that
1103 does not point anywhere. */
1105 /* For markers that point somewhere,
1106 this is used to chain of all the markers in a given buffer. */
1108 /* This is the char position where the marker points. */
1110 /* This is the byte position. */
1114 /* Forwarding pointer to an int variable.
1115 This is allowed only in the value cell of a symbol,
1116 and it means that the symbol's value really lives in the
1117 specified int variable. */
1120 int type
: 16; /* = Lisp_Misc_Intfwd */
1125 /* Boolean forwarding pointer to an int variable.
1126 This is like Lisp_Intfwd except that the ostensible
1127 "value" of the symbol is t if the int variable is nonzero,
1128 nil if it is zero. */
1131 int type
: 16; /* = Lisp_Misc_Boolfwd */
1136 /* Forwarding pointer to a Lisp_Object variable.
1137 This is allowed only in the value cell of a symbol,
1138 and it means that the symbol's value really lives in the
1139 specified variable. */
1142 int type
: 16; /* = Lisp_Misc_Objfwd */
1144 Lisp_Object
*objvar
;
1147 /* Like Lisp_Objfwd except that value lives in a slot in the
1148 current buffer. Value is byte index of slot within buffer. */
1149 struct Lisp_Buffer_Objfwd
1151 int type
: 16; /* = Lisp_Misc_Buffer_Objfwd */
1156 /* struct Lisp_Buffer_Local_Value is used in a symbol value cell when
1157 the symbol has buffer-local or frame-local bindings. (Exception:
1158 some buffer-local variables are built-in, with their values stored
1159 in the buffer structure itself. They are handled differently,
1160 using struct Lisp_Buffer_Objfwd.)
1162 The `realvalue' slot holds the variable's current value, or a
1163 forwarding pointer to where that value is kept. This value is the
1164 one that corresponds to the loaded binding. To read or set the
1165 variable, you must first make sure the right binding is loaded;
1166 then you can access the value in (or through) `realvalue'.
1168 `buffer' and `frame' are the buffer and frame for which the loaded
1169 binding was found. If those have changed, to make sure the right
1170 binding is loaded it is necessary to find which binding goes with
1171 the current buffer and selected frame, then load it. To load it,
1172 first unload the previous binding, then copy the value of the new
1173 binding into `realvalue' (or through it). Also update
1174 LOADED-BINDING to point to the newly loaded binding.
1176 Lisp_Misc_Buffer_Local_Value and Lisp_Misc_Some_Buffer_Local_Value
1177 both use this kind of structure. With the former, merely setting
1178 the variable creates a local binding for the current buffer. With
1179 the latter, setting the variable does not do that; only
1180 make-local-variable does that. */
1182 struct Lisp_Buffer_Local_Value
1184 int type
: 16; /* = Lisp_Misc_Buffer_Local_Value
1185 or Lisp_Misc_Some_Buffer_Local_Value */
1188 /* 1 means this variable is allowed to have frame-local bindings,
1189 so check for them when looking for the proper binding. */
1190 unsigned int check_frame
: 1;
1191 /* 1 means that the binding now loaded was found
1192 as a local binding for the buffer in the `buffer' slot. */
1193 unsigned int found_for_buffer
: 1;
1194 /* 1 means that the binding now loaded was found
1195 as a local binding for the frame in the `frame' slot. */
1196 unsigned int found_for_frame
: 1;
1197 Lisp_Object realvalue
;
1198 /* The buffer and frame for which the loaded binding was found. */
1199 Lisp_Object buffer
, frame
;
1201 /* A cons cell, (LOADED-BINDING . DEFAULT-VALUE).
1203 LOADED-BINDING is the binding now loaded. It is a cons cell
1204 whose cdr is the binding's value. The cons cell may be an
1205 element of a buffer's local-variable alist, or an element of a
1206 frame's parameter alist, or it may be this cons cell.
1208 DEFAULT-VALUE is the variable's default value, seen when the
1209 current buffer and selected frame do not have their own
1210 bindings for the variable. When the default binding is loaded,
1211 LOADED-BINDING is actually this very cons cell; thus, its car
1212 points to itself. */
1216 /* In an overlay object, the mark bit of the plist is used as the GC mark.
1217 START and END are markers in the overlay's buffer, and
1218 PLIST is the overlay's property list. */
1221 int type
: 16; /* = Lisp_Misc_Overlay */
1223 Lisp_Object start
, end
, plist
;
1226 /* Like Lisp_Objfwd except that value lives in a slot in the
1228 struct Lisp_Kboard_Objfwd
1230 int type
: 16; /* = Lisp_Misc_Kboard_Objfwd */
1236 /* To get the type field of a union Lisp_Misc, use XMISCTYPE.
1237 It uses one of these struct subtypes to get the type field. */
1241 struct Lisp_Free u_free
;
1242 struct Lisp_Marker u_marker
;
1243 struct Lisp_Intfwd u_intfwd
;
1244 struct Lisp_Boolfwd u_boolfwd
;
1245 struct Lisp_Objfwd u_objfwd
;
1246 struct Lisp_Buffer_Objfwd u_buffer_objfwd
;
1247 struct Lisp_Buffer_Local_Value u_buffer_local_value
;
1248 struct Lisp_Overlay u_overlay
;
1249 struct Lisp_Kboard_Objfwd u_kboard_objfwd
;
1252 /* Lisp floating point type */
1255 Lisp_Object type
; /* essentially used for mark-bit
1256 and chaining when on free-list */
1257 #ifdef HIDE_LISP_IMPLEMENTATION
1264 #ifdef HIDE_LISP_IMPLEMENTATION
1265 #define XFLOAT_DATA(f) (XFLOAT (f)->data_)
1267 #define XFLOAT_DATA(f) (XFLOAT (f)->data)
1270 /* A character, declared with the following typedef, is a member
1271 of some character set associated with the current buffer. */
1272 #ifndef _UCHAR_T /* Protect against something in ctab.h on AIX. */
1274 typedef unsigned char UCHAR
;
1277 /* Meanings of slots in a Lisp_Compiled: */
1279 #define COMPILED_ARGLIST 0
1280 #define COMPILED_BYTECODE 1
1281 #define COMPILED_CONSTANTS 2
1282 #define COMPILED_STACK_DEPTH 3
1283 #define COMPILED_DOC_STRING 4
1284 #define COMPILED_INTERACTIVE 5
1286 /* Flag bits in a character. These also get used in termhooks.h.
1287 Richard Stallman <rms@gnu.ai.mit.edu> thinks that MULE
1288 (MUlti-Lingual Emacs) might need 22 bits for the character value
1289 itself, so we probably shouldn't use any bits lower than 0x0400000. */
1290 #define CHAR_ALT (0x0400000)
1291 #define CHAR_SUPER (0x0800000)
1292 #define CHAR_HYPER (0x1000000)
1293 #define CHAR_SHIFT (0x2000000)
1294 #define CHAR_CTL (0x4000000)
1295 #define CHAR_META (0x8000000)
1297 #define CHAR_MODIFIER_MASK \
1298 (CHAR_ALT | CHAR_SUPER | CHAR_HYPER | CHAR_SHIFT | CHAR_CTL | CHAR_META)
1301 /* Actually, the current Emacs uses 19 bits for the character value
1303 #define CHARACTERBITS 19
1305 /* The maximum byte size consumed by push_key_description.
1306 All callers should assure that at least this size of memory is
1307 allocated at the place pointed by the second argument.
1309 Thers are 6 modifiers, each consumes 2 chars.
1310 The octal form of a character code consumes
1311 (1 + CHARACTERBITS / 3 + 1) chars (including backslash at the head).
1312 We need one more byte for string terminator `\0'. */
1313 #define KEY_DESCRIPTION_SIZE ((2 * 6) + 1 + (CHARACTERBITS / 3) + 1 + 1)
1315 #ifdef USE_X_TOOLKIT
1316 #ifdef NO_UNION_TYPE
1317 /* Use this for turning a (void *) into a Lisp_Object, as when the
1318 Lisp_Object is passed into a toolkit callback function. */
1319 #define VOID_TO_LISP(larg,varg) \
1320 do { ((larg) = ((Lisp_Object) (varg))); } while (0)
1321 #define CVOID_TO_LISP VOID_TO_LISP
1323 /* Use this for turning a Lisp_Object into a (void *), as when the
1324 Lisp_Object is passed into a toolkit callback function. */
1325 #define LISP_TO_VOID(larg) ((void *) (larg))
1326 #define LISP_TO_CVOID(varg) ((const void *) (larg))
1328 #else /* not NO_UNION_TYPE */
1329 /* Use this for turning a (void *) into a Lisp_Object, as when the
1330 Lisp_Object is passed into a toolkit callback function. */
1331 #define VOID_TO_LISP(larg,varg) \
1332 do { ((larg).v = (void *) (varg)); } while (0)
1333 #define CVOID_TO_LISP(larg,varg) \
1334 do { ((larg).cv = (const void *) (varg)); } while (0)
1336 /* Use this for turning a Lisp_Object into a (void *), as when the
1337 Lisp_Object is passed into a toolkit callback function. */
1338 #define LISP_TO_VOID(larg) ((larg).v)
1339 #define LISP_TO_CVOID(larg) ((larg).cv)
1340 #endif /* not NO_UNION_TYPE */
1341 #endif /* USE_X_TOOLKIT */
1344 /* The glyph datatype, used to represent characters on the display. */
1346 /* Glyph code to use as an index to the glyph table. If it is out of
1347 range for the glyph table, or the corresonding element in the table
1348 is nil, the low 8 bits are the single byte character code, and the
1349 bits above are the numeric face ID. If FID is the face ID of a
1350 glyph on a frame F, then F->display.x->faces[FID] contains the
1351 description of that face. This is an int instead of a short, so we
1352 can support a good bunch of face ID's (2^(31 - 8)); given that we
1353 have no mechanism for tossing unused frame face ID's yet, we'll
1354 probably run out of 255 pretty quickly.
1355 This is always -1 for a multibyte character. */
1358 /* Mask bits for face. */
1359 #define GLYPH_MASK_FACE 0x7FF80000
1360 /* Mask bits for character code. */
1361 #define GLYPH_MASK_CHAR 0x0007FFFF /* The lowest 19 bits */
1363 /* The FAST macros assume that we already know we're in an X window. */
1365 /* Set a character code and a face ID in a glyph G. */
1366 #define FAST_MAKE_GLYPH(char, face) ((char) | ((face) << CHARACTERBITS))
1368 /* Return a glyph's character code. */
1369 #define FAST_GLYPH_CHAR(glyph) ((glyph) & GLYPH_MASK_CHAR)
1371 /* Return a glyph's face ID. */
1372 #define FAST_GLYPH_FACE(glyph) (((glyph) & GLYPH_MASK_FACE) >> CHARACTERBITS)
1374 /* Slower versions that test the frame type first. */
1375 #define MAKE_GLYPH(f, char, face) (FAST_MAKE_GLYPH (char, face))
1376 #define GLYPH_CHAR(f, g) (FAST_GLYPH_CHAR (g))
1377 #define GLYPH_FACE(f, g) (FAST_GLYPH_FACE (g))
1379 /* Return 1 iff GLYPH contains valid character code. */
1380 #define GLYPH_CHAR_VALID_P(glyph) CHAR_VALID_P (FAST_GLYPH_CHAR (glyph), 1)
1382 /* The ID of the mode line highlighting face. */
1383 #define GLYPH_MODE_LINE_FACE 1
1385 /* Data type checking */
1387 #define NILP(x) (XFASTINT (x) == XFASTINT (Qnil))
1388 #define GC_NILP(x) GC_EQ (x, Qnil)
1390 #define NUMBERP(x) (INTEGERP (x) || FLOATP (x))
1391 #define GC_NUMBERP(x) (GC_INTEGERP (x) || GC_FLOATP (x))
1392 #define NATNUMP(x) (INTEGERP (x) && XINT (x) >= 0)
1393 #define GC_NATNUMP(x) (GC_INTEGERP (x) && XINT (x) >= 0)
1395 #define INTEGERP(x) (XTYPE ((x)) == Lisp_Int)
1396 #define GC_INTEGERP(x) (XGCTYPE ((x)) == Lisp_Int)
1397 #define SYMBOLP(x) (XTYPE ((x)) == Lisp_Symbol)
1398 #define GC_SYMBOLP(x) (XGCTYPE ((x)) == Lisp_Symbol)
1399 #define MISCP(x) (XTYPE ((x)) == Lisp_Misc)
1400 #define GC_MISCP(x) (XGCTYPE ((x)) == Lisp_Misc)
1401 #define VECTORLIKEP(x) (XTYPE ((x)) == Lisp_Vectorlike)
1402 #define GC_VECTORLIKEP(x) (XGCTYPE ((x)) == Lisp_Vectorlike)
1403 #define STRINGP(x) (XTYPE ((x)) == Lisp_String)
1404 #define GC_STRINGP(x) (XGCTYPE ((x)) == Lisp_String)
1405 #define CONSP(x) (XTYPE ((x)) == Lisp_Cons)
1406 #define GC_CONSP(x) (XGCTYPE ((x)) == Lisp_Cons)
1408 #define FLOATP(x) (XTYPE ((x)) == Lisp_Float)
1409 #define GC_FLOATP(x) (XGCTYPE ((x)) == Lisp_Float)
1410 #define VECTORP(x) (VECTORLIKEP (x) && !(XVECTOR (x)->size & PSEUDOVECTOR_FLAG))
1411 #define GC_VECTORP(x) (GC_VECTORLIKEP (x) && !(XVECTOR (x)->size & PSEUDOVECTOR_FLAG))
1412 #define OVERLAYP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Overlay)
1413 #define GC_OVERLAYP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Overlay)
1414 #define MARKERP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Marker)
1415 #define GC_MARKERP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Marker)
1416 #define INTFWDP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Intfwd)
1417 #define GC_INTFWDP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Intfwd)
1418 #define BOOLFWDP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Boolfwd)
1419 #define GC_BOOLFWDP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Boolfwd)
1420 #define OBJFWDP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Objfwd)
1421 #define GC_OBJFWDP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Objfwd)
1422 #define BUFFER_OBJFWDP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Buffer_Objfwd)
1423 #define GC_BUFFER_OBJFWDP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Buffer_Objfwd)
1424 #define BUFFER_LOCAL_VALUEP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Buffer_Local_Value)
1425 #define GC_BUFFER_LOCAL_VALUEP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Buffer_Local_Value)
1426 #define SOME_BUFFER_LOCAL_VALUEP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Some_Buffer_Local_Value)
1427 #define GC_SOME_BUFFER_LOCAL_VALUEP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Some_Buffer_Local_Value)
1428 #define KBOARD_OBJFWDP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Kboard_Objfwd)
1429 #define GC_KBOARD_OBJFWDP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Kboard_Objfwd)
1432 /* True if object X is a pseudovector whose code is CODE. */
1433 #define PSEUDOVECTORP(x, code) \
1435 && (((XVECTOR (x)->size & (PSEUDOVECTOR_FLAG | (code)))) \
1436 == (PSEUDOVECTOR_FLAG | (code))))
1438 /* True if object X is a pseudovector whose code is CODE.
1439 This one works during GC. */
1440 #define GC_PSEUDOVECTORP(x, code) \
1441 (GC_VECTORLIKEP (x) \
1442 && (((XVECTOR (x)->size & (PSEUDOVECTOR_FLAG | (code)))) \
1443 == (PSEUDOVECTOR_FLAG | (code))))
1445 /* Test for specific pseudovector types. */
1446 #define WINDOW_CONFIGURATIONP(x) PSEUDOVECTORP (x, PVEC_WINDOW_CONFIGURATION)
1447 #define GC_WINDOW_CONFIGURATIONP(x) GC_PSEUDOVECTORP (x, PVEC_WINDOW_CONFIGURATION)
1448 #define PROCESSP(x) PSEUDOVECTORP (x, PVEC_PROCESS)
1449 #define GC_PROCESSP(x) GC_PSEUDOVECTORP (x, PVEC_PROCESS)
1450 #define WINDOWP(x) PSEUDOVECTORP (x, PVEC_WINDOW)
1451 #define GC_WINDOWP(x) GC_PSEUDOVECTORP (x, PVEC_WINDOW)
1452 #define SUBRP(x) PSEUDOVECTORP (x, PVEC_SUBR)
1453 #define GC_SUBRP(x) GC_PSEUDOVECTORP (x, PVEC_SUBR)
1454 #define COMPILEDP(x) PSEUDOVECTORP (x, PVEC_COMPILED)
1455 #define GC_COMPILEDP(x) GC_PSEUDOVECTORP (x, PVEC_COMPILED)
1456 #define BUFFERP(x) PSEUDOVECTORP (x, PVEC_BUFFER)
1457 #define GC_BUFFERP(x) GC_PSEUDOVECTORP (x, PVEC_BUFFER)
1458 #define CHAR_TABLE_P(x) PSEUDOVECTORP (x, PVEC_CHAR_TABLE)
1459 #define GC_CHAR_TABLE_P(x) GC_PSEUDOVECTORP (x, PVEC_CHAR_TABLE)
1460 #define BOOL_VECTOR_P(x) PSEUDOVECTORP (x, PVEC_BOOL_VECTOR)
1461 #define GC_BOOL_VECTOR_P(x) GC_PSEUDOVECTORP (x, PVEC_BOOL_VECTOR)
1462 #define FRAMEP(x) PSEUDOVECTORP (x, PVEC_FRAME)
1463 #define GC_FRAMEP(x) GC_PSEUDOVECTORP (x, PVEC_FRAME)
1465 #define SUB_CHAR_TABLE_P(x) (CHAR_TABLE_P (x) && NILP (XCHAR_TABLE (x)->top))
1467 #define EQ(x, y) (XFASTINT (x) == XFASTINT (y))
1468 #define GC_EQ(x, y) (XGCTYPE (x) == XGCTYPE (y) && XPNTR (x) == XPNTR (y))
1470 #define CHECK_LIST(x) \
1471 do { if (!CONSP ((x)) && !NILP (x)) x = wrong_type_argument (Qlistp, (x)); } while (0)
1473 #define CHECK_STRING(x) \
1474 do { if (!STRINGP ((x))) x = wrong_type_argument (Qstringp, (x)); } while (0)
1476 #define CHECK_STRING_CAR(x) \
1477 do { if (!STRINGP (XCAR (x))) XSETCAR (x, wrong_type_argument (Qstringp, XCAR (x))); } while (0)
1479 #define CHECK_CONS(x) \
1480 do { if (!CONSP ((x))) x = wrong_type_argument (Qconsp, (x)); } while (0)
1482 #define CHECK_SYMBOL(x) \
1483 do { if (!SYMBOLP ((x))) x = wrong_type_argument (Qsymbolp, (x)); } while (0)
1485 #define CHECK_CHAR_TABLE(x) \
1486 do { if (!CHAR_TABLE_P ((x))) \
1487 x = wrong_type_argument (Qchar_table_p, (x)); } while (0)
1489 #define CHECK_VECTOR(x) \
1490 do { if (!VECTORP ((x))) x = wrong_type_argument (Qvectorp, (x)); } while (0)
1492 #define CHECK_VECTOR_OR_CHAR_TABLE(x) \
1493 do { if (!VECTORP ((x)) && !CHAR_TABLE_P ((x))) \
1494 x = wrong_type_argument (Qvector_or_char_table_p, (x)); \
1497 #define CHECK_BUFFER(x) \
1498 do { if (!BUFFERP ((x))) x = wrong_type_argument (Qbufferp, (x)); } while (0)
1500 #define CHECK_WINDOW(x) \
1501 do { if (!WINDOWP ((x))) x = wrong_type_argument (Qwindowp, (x)); } while (0)
1503 /* This macro rejects windows on the interior of the window tree as
1504 "dead", which is what we want; this is an argument-checking macro, and
1505 the user should never get access to interior windows.
1507 A window of any sort, leaf or interior, is dead iff the buffer,
1508 vchild, and hchild members are all nil. */
1510 #define CHECK_LIVE_WINDOW(x) \
1512 if (!WINDOWP ((x)) \
1513 || NILP (XWINDOW ((x))->buffer)) \
1514 x = wrong_type_argument (Qwindow_live_p, (x)); \
1517 #define CHECK_PROCESS(x) \
1518 do { if (!PROCESSP ((x))) x = wrong_type_argument (Qprocessp, (x)); } while (0)
1520 #define CHECK_NUMBER(x) \
1521 do { if (!INTEGERP ((x))) x = wrong_type_argument (Qintegerp, (x)); } while (0)
1523 #define CHECK_NATNUM(x) \
1524 do { if (!NATNUMP (x)) x = wrong_type_argument (Qwholenump, (x)); } while (0)
1526 #define CHECK_MARKER(x) \
1527 do { if (!MARKERP ((x))) x = wrong_type_argument (Qmarkerp, (x)); } while (0)
1529 #define CHECK_NUMBER_COERCE_MARKER(x) \
1530 do { if (MARKERP ((x))) XSETFASTINT (x, marker_position (x)); \
1531 else if (!INTEGERP ((x))) x = wrong_type_argument (Qinteger_or_marker_p, (x)); } while (0)
1533 #define XFLOATINT(n) extract_float((n))
1535 #define CHECK_FLOAT(x) \
1536 do { if (!FLOATP (x)) \
1537 x = wrong_type_argument (Qfloatp, (x)); } while (0)
1539 #define CHECK_NUMBER_OR_FLOAT(x) \
1540 do { if (!FLOATP (x) && !INTEGERP (x)) \
1541 x = wrong_type_argument (Qnumberp, (x)); } while (0)
1543 #define CHECK_NUMBER_OR_FLOAT_COERCE_MARKER(x) \
1544 do { if (MARKERP (x)) XSETFASTINT (x, marker_position (x)); \
1545 else if (!INTEGERP (x) && !FLOATP (x)) \
1546 x = wrong_type_argument (Qnumber_or_marker_p, (x)); } while (0)
1548 #define CHECK_OVERLAY(x) \
1549 do { if (!OVERLAYP ((x))) x = wrong_type_argument (Qoverlayp, (x));} while (0)
1551 /* Since we can't assign directly to the CAR or CDR fields of a cons
1552 cell, use these when checking that those fields contain numbers. */
1553 #define CHECK_NUMBER_CAR(x) \
1555 Lisp_Object tmp = XCAR (x); \
1556 CHECK_NUMBER (tmp); \
1557 XSETCAR ((x), tmp); \
1560 #define CHECK_NUMBER_CDR(x) \
1562 Lisp_Object tmp = XCDR (x); \
1563 CHECK_NUMBER (tmp); \
1564 XSETCDR ((x), tmp); \
1567 /* Cast pointers to this type to compare them. Some machines want int. */
1568 #ifndef PNTR_COMPARISON_TYPE
1569 #define PNTR_COMPARISON_TYPE EMACS_UINT
1572 /* Define a built-in function for calling from Lisp.
1573 `lname' should be the name to give the function in Lisp,
1574 as a null-terminated C string.
1575 `fnname' should be the name of the function in C.
1576 By convention, it starts with F.
1577 `sname' should be the name for the C constant structure
1578 that records information on this function for internal use.
1579 By convention, it should be the same as `fnname' but with S instead of F.
1580 It's too bad that C macros can't compute this from `fnname'.
1581 `minargs' should be a number, the minimum number of arguments allowed.
1582 `maxargs' should be a number, the maximum number of arguments allowed,
1583 or else MANY or UNEVALLED.
1584 MANY means pass a vector of evaluated arguments,
1585 in the form of an integer number-of-arguments
1586 followed by the address of a vector of Lisp_Objects
1587 which contains the argument values.
1588 UNEVALLED means pass the list of unevaluated arguments
1589 `prompt' says how to read arguments for an interactive call.
1590 See the doc string for `interactive'.
1591 A null string means call interactively with no arguments.
1592 `doc' is documentation for the user. */
1594 #if (!defined (__STDC__) && !defined (PROTOTYPES)) \
1595 || defined (USE_NONANSI_DEFUN)
1597 #define DEFUN(lname, fnname, sname, minargs, maxargs, prompt, doc) \
1598 Lisp_Object fnname (); \
1599 struct Lisp_Subr sname = \
1600 { PVEC_SUBR | (sizeof (struct Lisp_Subr) / sizeof (EMACS_INT)), \
1601 fnname, minargs, maxargs, lname, prompt, 0}; \
1606 /* This version of DEFUN declares a function prototype with the right
1607 arguments, so we can catch errors with maxargs at compile-time. */
1608 #define DEFUN(lname, fnname, sname, minargs, maxargs, prompt, doc) \
1609 Lisp_Object fnname DEFUN_ARGS_ ## maxargs ; \
1610 struct Lisp_Subr sname = \
1611 { PVEC_SUBR | (sizeof (struct Lisp_Subr) / sizeof (EMACS_INT)), \
1612 fnname, minargs, maxargs, lname, prompt, 0}; \
1615 /* Note that the weird token-substitution semantics of ANSI C makes
1616 this work for MANY and UNEVALLED. */
1617 #define DEFUN_ARGS_MANY (int, Lisp_Object *)
1618 #define DEFUN_ARGS_UNEVALLED (Lisp_Object)
1619 #define DEFUN_ARGS_0 (void)
1620 #define DEFUN_ARGS_1 (Lisp_Object)
1621 #define DEFUN_ARGS_2 (Lisp_Object, Lisp_Object)
1622 #define DEFUN_ARGS_3 (Lisp_Object, Lisp_Object, Lisp_Object)
1623 #define DEFUN_ARGS_4 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object)
1624 #define DEFUN_ARGS_5 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, \
1626 #define DEFUN_ARGS_6 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, \
1627 Lisp_Object, Lisp_Object)
1628 #define DEFUN_ARGS_7 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, \
1629 Lisp_Object, Lisp_Object, Lisp_Object)
1630 #define DEFUN_ARGS_8 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, \
1631 Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object)
1634 /* Non-zero if OBJ is a Lisp function. */
1636 #define FUNCTIONP(OBJ) \
1637 ((CONSP (OBJ) && EQ (XCAR (OBJ), Qlambda)) \
1638 || (SYMBOLP (OBJ) && !NILP (Ffboundp (OBJ))) \
1639 || COMPILEDP (OBJ) \
1643 is how we define the symbol for function `name' at start-up time. */
1644 extern void defsubr
P_ ((struct Lisp_Subr
*));
1647 #define UNEVALLED -1
1649 extern void defvar_lisp
P_ ((char *, Lisp_Object
*));
1650 extern void defvar_lisp_nopro
P_ ((char *, Lisp_Object
*));
1651 extern void defvar_bool
P_ ((char *, int *));
1652 extern void defvar_int
P_ ((char *, EMACS_INT
*));
1653 extern void defvar_per_buffer
P_ ((char *, Lisp_Object
*, Lisp_Object
, char *));
1654 extern void defvar_kboard
P_ ((char *, int));
1656 /* Macros we use to define forwarded Lisp variables.
1657 These are used in the syms_of_FILENAME functions. */
1659 #define DEFVAR_LISP(lname, vname, doc) defvar_lisp (lname, vname)
1660 #define DEFVAR_LISP_NOPRO(lname, vname, doc) defvar_lisp_nopro (lname, vname)
1661 #define DEFVAR_BOOL(lname, vname, doc) defvar_bool (lname, vname)
1662 #define DEFVAR_INT(lname, vname, doc) defvar_int (lname, vname)
1663 #define DEFVAR_PER_BUFFER(lname, vname, type, doc) \
1664 defvar_per_buffer (lname, vname, type, 0)
1665 #define DEFVAR_KBOARD(lname, vname, doc) \
1666 defvar_kboard (lname, \
1667 (int)((char *)(¤t_kboard->vname) \
1668 - (char *)current_kboard))
1672 /* Structure for recording Lisp call stack for backtrace purposes. */
1674 /* The special binding stack holds the outer values of variables while
1675 they are bound by a function application or a let form, stores the
1676 code to be executed for Lisp unwind-protect forms, and stores the C
1677 functions to be called for record_unwind_protect.
1679 If func is non-zero, undoing this binding applies func to old_value;
1680 This implements record_unwind_protect.
1681 If func is zero and symbol is nil, undoing this binding evaluates
1682 the list of forms in old_value; this implements Lisp's unwind-protect
1685 Otherwise, the element is a variable binding.
1687 If the symbol field is a symbol, it is an ordinary variable binding.
1689 Otherwise, it should be a structure (SYMBOL WHERE
1690 . CURRENT-BUFFER), which means having bound a local value while
1691 CURRENT-BUFFER was active. If WHERE is nil this means we saw the
1692 default value when binding SYMBOL. WHERE being a buffer or frame
1693 means we saw a buffer-local or frame-local value. Other values of
1694 WHERE mean an internal error. */
1698 Lisp_Object symbol
, old_value
;
1699 Lisp_Object (*func
) P_ ((Lisp_Object
));
1700 Lisp_Object unused
; /* Dividing by 16 is faster than by 12 */
1703 extern struct specbinding
*specpdl
;
1704 extern struct specbinding
*specpdl_ptr
;
1705 extern int specpdl_size
;
1707 extern EMACS_INT max_specpdl_size
;
1709 #define SPECPDL_INDEX() (specpdl_ptr - specpdl)
1711 /* Everything needed to describe an active condition case. */
1714 /* The handler clauses and variable from the condition-case form. */
1715 /* For a handler set up in Lisp code, this is always a list.
1716 For an internal handler set up by internal_condition_case*,
1717 this can instead be the symbol t or `error'.
1718 t: handle all conditions.
1719 error: handle all conditions, and errors can run the debugger
1720 or display a backtrace. */
1721 Lisp_Object handler
;
1723 /* Fsignal stores here the condition-case clause that applies,
1724 and Fcondition_case thus knows which clause to run. */
1725 Lisp_Object chosen_clause
;
1727 /* Used to effect the longjump out to the handler. */
1728 struct catchtag
*tag
;
1730 /* The next enclosing handler. */
1731 struct handler
*next
;
1734 extern struct handler
*handlerlist
;
1736 extern struct catchtag
*catchlist
;
1737 extern struct backtrace
*backtrace_list
;
1739 extern Lisp_Object memory_signal_data
;
1741 /* An address near the bottom of the stack.
1742 Tells GC how to save a copy of the stack. */
1743 extern char *stack_bottom
;
1745 /* Check quit-flag and quit if it is non-nil.
1746 Typing C-g does not directly cause a quit; it only sets Vquit_flag.
1747 So the program needs to do QUIT at times when it is safe to quit.
1748 Every loop that might run for a long time or might not exit
1749 ought to do QUIT at least once, at a safe place.
1750 Unless that is impossible, of course.
1751 But it is very desirable to avoid creating loops where QUIT is impossible.
1753 Exception: if you set immediate_quit to nonzero,
1754 then the handler that responds to the C-g does the quit itself.
1755 This is a good thing to do around a loop that has no side effects
1756 and (in particular) cannot call arbitrary Lisp code. */
1760 if (!NILP (Vquit_flag) && NILP (Vinhibit_quit)) \
1762 Vquit_flag = Qnil; \
1763 Fsignal (Qquit, Qnil); \
1767 /* Nonzero if ought to quit now. */
1769 #define QUITP (!NILP (Vquit_flag) && NILP (Vinhibit_quit))
1771 /* Variables used locally in the following case handling macros. */
1772 extern int case_temp1
;
1773 extern Lisp_Object case_temp2
;
1775 /* Current buffer's map from characters to lower-case characters. */
1777 #define DOWNCASE_TABLE current_buffer->downcase_table
1779 /* Current buffer's map from characters to upper-case characters. */
1781 #define UPCASE_TABLE current_buffer->upcase_table
1783 /* Downcase a character, or make no change if that cannot be done. */
1785 #define DOWNCASE(CH) \
1786 ((case_temp1 = (CH), \
1787 case_temp2 = CHAR_TABLE_REF (DOWNCASE_TABLE, case_temp1), \
1788 NATNUMP (case_temp2)) \
1789 ? XFASTINT (case_temp2) : case_temp1)
1791 /* 1 if CH is upper case. */
1793 #define UPPERCASEP(CH) (DOWNCASE (CH) != (CH))
1795 /* 1 if CH is neither upper nor lower case. */
1797 #define NOCASEP(CH) (UPCASE1 (CH) == (CH))
1799 /* 1 if CH is lower case. */
1801 #define LOWERCASEP(CH) (!UPPERCASEP (CH) && !NOCASEP(CH))
1803 /* Upcase a character, or make no change if that cannot be done. */
1805 #define UPCASE(CH) (!UPPERCASEP (CH) ? UPCASE1 (CH) : (CH))
1807 /* Upcase a character known to be not upper case. */
1809 #define UPCASE1(CH) \
1810 ((case_temp1 = (CH), \
1811 case_temp2 = CHAR_TABLE_REF (UPCASE_TABLE, case_temp1), \
1812 NATNUMP (case_temp2)) \
1813 ? XFASTINT (case_temp2) : case_temp1)
1815 extern Lisp_Object Vascii_downcase_table
;
1817 /* Number of bytes of structure consed since last GC. */
1819 extern int consing_since_gc
;
1821 /* Threshold for doing another gc. */
1823 extern EMACS_INT gc_cons_threshold
;
1825 /* Structure for recording stack slots that need marking. */
1827 /* This is a chain of structures, each of which points at a Lisp_Object variable
1828 whose value should be marked in garbage collection.
1829 Normally every link of the chain is an automatic variable of a function,
1830 and its `val' points to some argument or local variable of the function.
1831 On exit to the function, the chain is set back to the value it had on entry.
1832 This way, no link remains in the chain when the stack frame containing the
1835 Every function that can call Feval must protect in this fashion all
1836 Lisp_Object variables whose contents will be used again. */
1838 extern struct gcpro
*gcprolist
;
1844 /* Address of first protected variable. */
1845 volatile Lisp_Object
*var
;
1847 /* Number of consecutive protected variables. */
1855 /* Values of GC_MARK_STACK during compilation:
1857 0 Use GCPRO as before
1858 1 Do the real thing, make GCPROs and UNGCPRO no-ops.
1859 2 Mark the stack, and check that everything GCPRO'd is
1861 3 Mark using GCPRO's, mark stack last, and count how many
1862 dead objects are kept alive. */
1865 #define GC_USE_GCPROS_AS_BEFORE 0
1866 #define GC_MAKE_GCPROS_NOOPS 1
1867 #define GC_MARK_STACK_CHECK_GCPROS 2
1868 #define GC_USE_GCPROS_CHECK_ZOMBIES 3
1870 #ifndef GC_MARK_STACK
1871 #define GC_MARK_STACK GC_USE_GCPROS_AS_BEFORE
1874 #if GC_MARK_STACK == GC_MAKE_GCPROS_NOOPS
1876 /* Do something silly with gcproN vars just so gcc shuts up. */
1878 #define GCPRO1(varname) ((void) gcpro1)
1879 #define GCPRO2(varname1, varname2)(((void) gcpro2, (void) gcpro1))
1880 #define GCPRO3(varname1, varname2, varname3) \
1881 (((void) gcpro3, (void) gcpro2, (void) gcpro1))
1882 #define GCPRO4(varname1, varname2, varname3, varname4) \
1883 (((void) gcpro4, (void) gcpro3, (void) gcpro2, (void) gcpro1))
1884 #define GCPRO5(varname1, varname2, varname3, varname4, varname5) \
1885 (((void) gcpro5, (void) gcpro4, (void) gcpro3, (void) gcpro2, (void) gcpro1))
1886 #define GCPRO6(varname1, varname2, varname3, varname4, varname5, varname6) \
1887 (((void) gcpro6, (void) gcpro5, (void) gcpro4, (void) gcpro3, (void) gcpro2, (void) gcpro1))
1888 #define UNGCPRO ((void) 0)
1890 #else /* GC_MARK_STACK != GC_MAKE_GCPROS_NOOPS */
1894 #define GCPRO1(varname) \
1895 {gcpro1.next = gcprolist; gcpro1.var = &varname; gcpro1.nvars = 1; \
1896 gcprolist = &gcpro1; }
1898 #define GCPRO2(varname1, varname2) \
1899 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
1900 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
1901 gcprolist = &gcpro2; }
1903 #define GCPRO3(varname1, varname2, varname3) \
1904 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
1905 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
1906 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
1907 gcprolist = &gcpro3; }
1909 #define GCPRO4(varname1, varname2, varname3, varname4) \
1910 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
1911 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
1912 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
1913 gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \
1914 gcprolist = &gcpro4; }
1916 #define GCPRO5(varname1, varname2, varname3, varname4, varname5) \
1917 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
1918 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
1919 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
1920 gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \
1921 gcpro5.next = &gcpro4; gcpro5.var = &varname5; gcpro5.nvars = 1; \
1922 gcprolist = &gcpro5; }
1924 #define GCPRO6(varname1, varname2, varname3, varname4, varname5, varname6) \
1925 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
1926 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
1927 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
1928 gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \
1929 gcpro5.next = &gcpro4; gcpro5.var = &varname5; gcpro5.nvars = 1; \
1930 gcpro6.next = &gcpro5; gcpro6.var = &varname6; gcpro6.nvars = 1; \
1931 gcprolist = &gcpro6; }
1933 #define UNGCPRO (gcprolist = gcpro1.next)
1937 extern int gcpro_level
;
1939 #define GCPRO1(varname) \
1940 {gcpro1.next = gcprolist; gcpro1.var = &varname; gcpro1.nvars = 1; \
1941 gcpro1.level = gcpro_level++; \
1942 gcprolist = &gcpro1; }
1944 #define GCPRO2(varname1, varname2) \
1945 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
1946 gcpro1.level = gcpro_level; \
1947 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
1948 gcpro2.level = gcpro_level++; \
1949 gcprolist = &gcpro2; }
1951 #define GCPRO3(varname1, varname2, varname3) \
1952 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
1953 gcpro1.level = gcpro_level; \
1954 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
1955 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
1956 gcpro3.level = gcpro_level++; \
1957 gcprolist = &gcpro3; }
1959 #define GCPRO4(varname1, varname2, varname3, varname4) \
1960 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
1961 gcpro1.level = gcpro_level; \
1962 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
1963 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
1964 gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \
1965 gcpro4.level = gcpro_level++; \
1966 gcprolist = &gcpro4; }
1968 #define GCPRO5(varname1, varname2, varname3, varname4, varname5) \
1969 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
1970 gcpro1.level = gcpro_level; \
1971 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
1972 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
1973 gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \
1974 gcpro5.next = &gcpro4; gcpro5.var = &varname5; gcpro5.nvars = 1; \
1975 gcpro5.level = gcpro_level++; \
1976 gcprolist = &gcpro5; }
1978 #define GCPRO6(varname1, varname2, varname3, varname4, varname5, varname6) \
1979 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
1980 gcpro1.level = gcpro_level; \
1981 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
1982 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
1983 gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \
1984 gcpro5.next = &gcpro4; gcpro5.var = &varname5; gcpro5.nvars = 1; \
1985 gcpro6.next = &gcpro5; gcpro6.var = &varname6; gcpro6.nvars = 1; \
1986 gcpro6.level = gcpro_level++; \
1987 gcprolist = &gcpro6; }
1990 ((--gcpro_level != gcpro1.level) \
1992 : ((gcprolist = gcpro1.next), 0))
1994 #endif /* DEBUG_GCPRO */
1995 #endif /* GC_MARK_STACK != GC_MAKE_GCPROS_NOOPS */
1998 /* Evaluate expr, UNGCPRO, and then return the value of expr. */
1999 #define RETURN_UNGCPRO(expr) \
2002 Lisp_Object ret_ungc_val; \
2003 ret_ungc_val = (expr); \
2005 return ret_ungc_val; \
2009 /* Call staticpro (&var) to protect static variable `var'. */
2011 void staticpro
P_ ((Lisp_Object
*));
2013 /* Declare a Lisp-callable function. The MAXARGS parameter has the same
2014 meaning as in the DEFUN macro, and is used to construct a prototype. */
2015 #if (!defined (__STDC__) && !defined (PROTOTYPES)) \
2016 || defined (USE_NONANSI_DEFUN)
2017 #define EXFUN(fnname, maxargs) \
2018 extern Lisp_Object fnname ()
2020 /* We can use the same trick as in the DEFUN macro to generate the
2021 appropriate prototype. */
2022 #define EXFUN(fnname, maxargs) \
2023 extern Lisp_Object fnname DEFUN_ARGS_ ## maxargs
2026 /* Forward declarations for prototypes. */
2030 /* Defined in data.c */
2031 extern Lisp_Object Qnil
, Qt
, Qquote
, Qlambda
, Qsubr
, Qunbound
;
2032 extern Lisp_Object Qerror_conditions
, Qerror_message
, Qtop_level
;
2033 extern Lisp_Object Qerror
, Qquit
, Qwrong_type_argument
, Qargs_out_of_range
;
2034 extern Lisp_Object Qvoid_variable
, Qvoid_function
;
2035 extern Lisp_Object Qsetting_constant
, Qinvalid_read_syntax
;
2036 extern Lisp_Object Qinvalid_function
, Qwrong_number_of_arguments
, Qno_catch
;
2037 extern Lisp_Object Qend_of_file
, Qarith_error
;
2038 extern Lisp_Object Qbeginning_of_buffer
, Qend_of_buffer
, Qbuffer_read_only
;
2039 extern Lisp_Object Qmark_inactive
, Qtext_read_only
;
2041 extern Lisp_Object Qrange_error
, Qdomain_error
, Qsingularity_error
;
2042 extern Lisp_Object Qoverflow_error
, Qunderflow_error
;
2044 extern Lisp_Object Qintegerp
, Qnumberp
, Qnatnump
, Qwholenump
;
2045 extern Lisp_Object Qsymbolp
, Qlistp
, Qconsp
;
2046 extern Lisp_Object Qstringp
, Qarrayp
, Qsequencep
, Qbufferp
;
2047 extern Lisp_Object Qchar_or_string_p
, Qmarkerp
, Qvectorp
;
2048 extern Lisp_Object Qinteger_or_marker_p
, Qnumber_or_marker_p
;
2049 extern Lisp_Object Qchar_table_p
, Qvector_or_char_table_p
;
2050 extern Lisp_Object Qboundp
, Qfboundp
;
2051 extern Lisp_Object Qbuffer_or_string_p
;
2052 extern Lisp_Object Qcdr
;
2054 extern Lisp_Object Qfloatp
, Qinteger_or_floatp
, Qinteger_or_float_or_marker_p
;
2056 extern Lisp_Object Qframep
;
2058 extern void circular_list_error
P_ ((Lisp_Object
));
2066 EXFUN (Fintegerp
, 1);
2067 EXFUN (Fnatnump
, 1);
2068 EXFUN (Fsymbolp
, 1);
2069 EXFUN (Fvectorp
, 1);
2070 EXFUN (Fstringp
, 1);
2071 EXFUN (Fmultibyte_string_p
, 1);
2073 EXFUN (Fsequencep
, 1);
2074 EXFUN (Fbufferp
, 1);
2075 EXFUN (Fmarkerp
, 1);
2077 EXFUN (Fchar_or_string_p
, 1);
2078 EXFUN (Finteger_or_marker_p
, 1);
2080 EXFUN (Finteger_or_floatp
, 1);
2081 EXFUN (Finteger_or_float_or_marker_p
, 1);
2084 EXFUN (Fcar_safe
, 1);
2086 EXFUN (Fcdr_safe
, 1);
2090 EXFUN (Ffboundp
, 1);
2091 EXFUN (Fmakunbound
, 1);
2092 EXFUN (Ffmakunbound
, 1);
2093 EXFUN (Fsymbol_function
, 1);
2094 EXFUN (Fsymbol_plist
, 1);
2095 EXFUN (Fsymbol_name
, 1);
2096 extern Lisp_Object indirect_function
P_ ((Lisp_Object
));
2097 EXFUN (Findirect_function
, 1);
2099 EXFUN (Fsetplist
, 2);
2100 EXFUN (Fsymbol_value
, 1);
2101 extern Lisp_Object find_symbol_value
P_ ((Lisp_Object
));
2103 EXFUN (Fdefault_value
, 1);
2104 EXFUN (Fset_default
, 2);
2105 EXFUN (Fdefault_boundp
, 1);
2106 EXFUN (Fmake_local_variable
, 1);
2107 EXFUN (Flocal_variable_p
, 2);
2108 EXFUN (Flocal_variable_if_set_p
, 2);
2113 EXFUN (Fstring_to_number
, 2);
2114 EXFUN (Fnumber_to_string
, 1);
2115 EXFUN (Feqlsign
, 2);
2122 EXFUN (Fplus
, MANY
);
2123 EXFUN (Fminus
, MANY
);
2124 EXFUN (Ftimes
, MANY
);
2129 EXFUN (Flogand
, MANY
);
2130 EXFUN (Flogior
, MANY
);
2131 EXFUN (Flogxor
, MANY
);
2138 EXFUN (Fmake_variable_buffer_local
, 1);
2140 extern Lisp_Object indirect_variable
P_ ((Lisp_Object
));
2141 extern Lisp_Object long_to_cons
P_ ((unsigned long));
2142 extern unsigned long cons_to_long
P_ ((Lisp_Object
));
2143 extern void args_out_of_range
P_ ((Lisp_Object
, Lisp_Object
));
2144 extern void args_out_of_range_3
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
));
2145 extern Lisp_Object wrong_type_argument
P_ ((Lisp_Object
, Lisp_Object
));
2146 extern void store_symval_forwarding
P_ ((Lisp_Object
, Lisp_Object
,
2147 Lisp_Object
, struct buffer
*));
2148 extern Lisp_Object do_symval_forwarding
P_ ((Lisp_Object
));
2149 extern Lisp_Object set_internal
P_ ((Lisp_Object
, Lisp_Object
, struct buffer
*, int));
2150 extern void syms_of_data
P_ ((void));
2151 extern void init_data
P_ ((void));
2152 extern void swap_in_global_binding
P_ ((Lisp_Object
));
2154 /* Defined in cmds.c */
2155 EXFUN (Fend_of_line
, 1);
2156 EXFUN (Fforward_char
, 1);
2157 EXFUN (Fforward_line
, 1);
2158 extern int forward_point
P_ ((int));
2159 extern int internal_self_insert
P_ ((int, int));
2160 extern void syms_of_cmds
P_ ((void));
2161 extern void keys_of_cmds
P_ ((void));
2163 /* Defined in coding.c */
2164 EXFUN (Fcoding_system_p
, 1);
2165 EXFUN (Fcheck_coding_system
, 1);
2166 EXFUN (Fread_coding_system
, 2);
2167 EXFUN (Fread_non_nil_coding_system
, 1);
2168 EXFUN (Ffind_operation_coding_system
, MANY
);
2169 EXFUN (Fupdate_coding_systems_internal
, 0);
2170 EXFUN (Fencode_coding_string
, 3);
2171 EXFUN (Fdecode_coding_string
, 3);
2172 extern Lisp_Object detect_coding_system
P_ ((const unsigned char *, int, int,
2174 extern void init_coding
P_ ((void));
2175 extern void init_coding_once
P_ ((void));
2176 extern void syms_of_coding
P_ ((void));
2177 extern Lisp_Object code_convert_string_norecord
P_ ((Lisp_Object
, Lisp_Object
,
2180 /* Defined in charset.c */
2181 extern EMACS_INT nonascii_insert_offset
;
2182 extern Lisp_Object Vnonascii_translation_table
;
2183 EXFUN (Fchar_bytes
, 1);
2184 EXFUN (Fchar_width
, 1);
2185 EXFUN (Fstring
, MANY
);
2186 extern int chars_in_text
P_ ((const unsigned char *, int));
2187 extern int multibyte_chars_in_text
P_ ((const unsigned char *, int));
2188 extern int unibyte_char_to_multibyte
P_ ((int));
2189 extern int multibyte_char_to_unibyte
P_ ((int, Lisp_Object
));
2190 extern Lisp_Object Qcharset
;
2191 extern void init_charset_once
P_ ((void));
2192 extern void syms_of_charset
P_ ((void));
2194 /* Defined in syntax.c */
2195 EXFUN (Fforward_word
, 1);
2196 EXFUN (Fskip_chars_forward
, 2);
2197 EXFUN (Fskip_chars_backward
, 2);
2198 EXFUN (Fsyntax_table_p
, 1);
2199 EXFUN (Fsyntax_table
, 0);
2200 EXFUN (Fset_syntax_table
, 1);
2201 extern void init_syntax_once
P_ ((void));
2202 extern void syms_of_syntax
P_ ((void));
2204 /* Defined in fns.c */
2205 extern int use_dialog_box
;
2206 extern int next_almost_prime
P_ ((int));
2207 extern Lisp_Object larger_vector
P_ ((Lisp_Object
, int, Lisp_Object
));
2208 extern void sweep_weak_hash_tables
P_ ((void));
2209 extern Lisp_Object Qstring_lessp
;
2210 EXFUN (Foptimize_char_table
, 1);
2211 extern Lisp_Object Vfeatures
;
2212 extern Lisp_Object QCtest
, QCweakness
, Qequal
;
2213 unsigned sxhash
P_ ((Lisp_Object
, int));
2214 Lisp_Object make_hash_table
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
,
2215 Lisp_Object
, Lisp_Object
, Lisp_Object
,
2217 Lisp_Object copy_hash_table
P_ ((struct Lisp_Hash_Table
*));
2218 int hash_lookup
P_ ((struct Lisp_Hash_Table
*, Lisp_Object
, unsigned *));
2219 int hash_put
P_ ((struct Lisp_Hash_Table
*, Lisp_Object
, Lisp_Object
,
2221 void hash_remove
P_ ((struct Lisp_Hash_Table
*, Lisp_Object
));
2222 void hash_clear
P_ ((struct Lisp_Hash_Table
*));
2223 void remove_hash_entry
P_ ((struct Lisp_Hash_Table
*, int));
2224 extern void init_fns
P_ ((void));
2226 EXFUN (Fmake_hash_table
, MANY
);
2227 EXFUN (Fcopy_hash_table
, 1);
2228 EXFUN (Fhash_table_count
, 1);
2229 EXFUN (Fhash_table_rehash_size
, 1);
2230 EXFUN (Fhash_table_rehash_threshold
, 1);
2231 EXFUN (Fhash_table_size
, 1);
2232 EXFUN (Fhash_table_test
, 1);
2233 EXFUN (Fhash_table_weak
, 1);
2234 EXFUN (Fhash_table_p
, 1);
2235 EXFUN (Fclrhash
, 1);
2236 EXFUN (Fgethash
, 3);
2237 EXFUN (Fputhash
, 3);
2238 EXFUN (Fremhash
, 2);
2239 EXFUN (Fmaphash
, 2);
2240 EXFUN (Fdefine_hash_table_test
, 3);
2242 EXFUN (Fidentity
, 1);
2245 EXFUN (Fsafe_length
, 1);
2246 EXFUN (Fappend
, MANY
);
2247 EXFUN (Fconcat
, MANY
);
2248 EXFUN (Fvconcat
, MANY
);
2249 EXFUN (Fcopy_sequence
, 1);
2250 EXFUN (Fstring_make_multibyte
, 1);
2251 EXFUN (Fstring_make_unibyte
, 1);
2252 EXFUN (Fstring_as_multibyte
, 1);
2253 EXFUN (Fstring_as_unibyte
, 1);
2254 EXFUN (Fsubstring
, 3);
2255 extern Lisp_Object substring_both
P_ ((Lisp_Object
, int, int, int, int));
2266 EXFUN (Freverse
, 1);
2267 EXFUN (Fnreverse
, 1);
2271 EXFUN (Ffillarray
, 2);
2272 EXFUN (Fnconc
, MANY
);
2274 EXFUN (Fmapconcat
, 3);
2275 EXFUN (Fy_or_n_p
, 1);
2276 extern Lisp_Object do_yes_or_no_p
P_ ((Lisp_Object
));
2277 EXFUN (Frequire
, 3);
2278 EXFUN (Fprovide
, 2);
2279 extern Lisp_Object concat2
P_ ((Lisp_Object
, Lisp_Object
));
2280 extern Lisp_Object concat3
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
));
2281 extern Lisp_Object nconc2
P_ ((Lisp_Object
, Lisp_Object
));
2282 extern Lisp_Object assq_no_quit
P_ ((Lisp_Object
, Lisp_Object
));
2283 extern void clear_string_char_byte_cache
P_ ((void));
2284 extern int string_char_to_byte
P_ ((Lisp_Object
, int));
2285 extern int string_byte_to_char
P_ ((Lisp_Object
, int));
2286 extern Lisp_Object string_make_multibyte
P_ ((Lisp_Object
));
2287 extern Lisp_Object string_make_unibyte
P_ ((Lisp_Object
));
2288 EXFUN (Fcopy_alist
, 1);
2289 EXFUN (Fplist_get
, 2);
2290 EXFUN (Fplist_put
, 3);
2291 EXFUN (Fplist_member
, 2);
2292 EXFUN (Fset_char_table_parent
, 2);
2293 EXFUN (Fchar_table_extra_slot
, 2);
2294 EXFUN (Fset_char_table_extra_slot
, 3);
2296 EXFUN (Fstring_equal
, 2);
2297 EXFUN (Fcompare_strings
, 7);
2298 EXFUN (Fstring_lessp
, 2);
2299 extern int char_table_translate
P_ ((Lisp_Object
, int));
2300 extern void map_char_table
P_ ((void (*) (Lisp_Object
, Lisp_Object
, Lisp_Object
),
2301 Lisp_Object
, Lisp_Object
, Lisp_Object
, int,
2303 extern Lisp_Object char_table_ref_and_index
P_ ((Lisp_Object
, int, int *));
2304 extern void syms_of_fns
P_ ((void));
2306 /* Defined in floatfns.c */
2307 extern double extract_float
P_ ((Lisp_Object
));
2309 EXFUN (Ftruncate
, 2);
2310 extern void init_floatfns
P_ ((void));
2311 extern void syms_of_floatfns
P_ ((void));
2313 /* Defined in insdel.c */
2314 extern Lisp_Object Qinhibit_modification_hooks
;
2315 extern void move_gap
P_ ((int));
2316 extern void move_gap_both
P_ ((int, int));
2317 extern void make_gap
P_ ((int));
2318 extern int copy_text
P_ ((const unsigned char *, unsigned char *, int, int, int));
2319 extern int count_size_as_multibyte
P_ ((const unsigned char *, int));
2320 extern int count_combining_before
P_ ((const unsigned char *, int, int, int));
2321 extern int count_combining_after
P_ ((const unsigned char *, int, int, int));
2322 extern void insert
P_ ((const unsigned char *, int));
2323 extern void insert_and_inherit
P_ ((const unsigned char *, int));
2324 extern void insert_1
P_ ((const unsigned char *, int, int, int, int));
2325 extern void insert_1_both
P_ ((const unsigned char *, int, int, int, int, int));
2326 extern void insert_from_string
P_ ((Lisp_Object
, int, int, int, int, int));
2327 extern void insert_from_buffer
P_ ((struct buffer
*, int, int, int));
2328 extern void insert_char
P_ ((int));
2329 extern void insert_string
P_ ((const char *));
2330 extern void insert_before_markers
P_ ((const unsigned char *, int));
2331 extern void insert_before_markers_and_inherit
P_ ((const unsigned char *, int));
2332 extern void insert_from_string_before_markers
P_ ((Lisp_Object
, int, int, int, int, int));
2333 extern void del_range
P_ ((int, int));
2334 extern Lisp_Object del_range_1
P_ ((int, int, int, int));
2335 extern void del_range_byte
P_ ((int, int, int));
2336 extern void del_range_both
P_ ((int, int, int, int, int));
2337 extern Lisp_Object del_range_2
P_ ((int, int, int, int, int));
2338 extern void modify_region
P_ ((struct buffer
*, int, int));
2339 extern void prepare_to_modify_buffer
P_ ((int, int, int *));
2340 extern void signal_before_change
P_ ((int, int, int *));
2341 extern void signal_after_change
P_ ((int, int, int));
2342 extern void adjust_after_replace
P_ ((int, int, Lisp_Object
, int, int));
2343 extern void adjust_after_replace_noundo
P_ ((int, int, int, int, int, int));
2344 extern void adjust_after_insert
P_ ((int, int, int, int, int));
2345 extern void replace_range
P_ ((int, int, Lisp_Object
, int, int, int));
2346 extern void syms_of_insdel
P_ ((void));
2348 /* Defined in dispnew.c */
2349 extern Lisp_Object selected_frame
;
2350 extern EMACS_INT baud_rate
;
2352 EXFUN (Fredraw_frame
, 1);
2353 EXFUN (Fredraw_display
, 0);
2354 EXFUN (Fsleep_for
, 2);
2355 EXFUN (Fsit_for
, 3);
2356 extern Lisp_Object sit_for
P_ ((int, int, int, int, int));
2357 extern void init_display
P_ ((void));
2358 extern void syms_of_display
P_ ((void));
2359 extern void safe_bcopy
P_ ((const char *, char *, int));
2361 /* Defined in xdisp.c */
2362 extern Lisp_Object Qinhibit_point_motion_hooks
;
2363 extern Lisp_Object Qinhibit_redisplay
, Qdisplay
;
2364 extern Lisp_Object Qinhibit_eval_during_redisplay
;
2365 extern Lisp_Object Qmessage_truncate_lines
;
2366 extern Lisp_Object Qcursor_in_non_selected_windows
;
2367 extern Lisp_Object Vmessage_log_max
;
2368 extern int message_enable_multibyte
;
2369 extern Lisp_Object echo_area_buffer
[2];
2370 extern void check_message_stack
P_ ((void));
2371 extern void setup_echo_area_for_printing
P_ ((int));
2372 extern int push_message
P_ ((void));
2373 extern Lisp_Object push_message_unwind
P_ ((Lisp_Object
));
2374 extern void pop_message
P_ ((void));
2375 extern void restore_message
P_ ((void));
2376 extern Lisp_Object current_message
P_ ((void));
2377 extern void set_message
P_ ((const char *s
, Lisp_Object
, int, int));
2378 extern void clear_message
P_ ((int, int));
2379 extern void message
P_ ((/* char *, ... */));
2380 extern void message_nolog
P_ ((/* char *, ... */));
2381 extern void message1
P_ ((char *));
2382 extern void message1_nolog
P_ ((char *));
2383 extern void message2
P_ ((const char *, int, int));
2384 extern void message2_nolog
P_ ((const char *, int, int));
2385 extern void message3
P_ ((Lisp_Object
, int, int));
2386 extern void message3_nolog
P_ ((Lisp_Object
, int, int));
2387 extern void message_dolog
P_ ((const char *, int, int, int));
2388 extern void message_with_string
P_ ((char *, Lisp_Object
, int));
2389 extern void message_log_maybe_newline
P_ ((void));
2390 extern void update_echo_area
P_ ((void));
2391 extern void truncate_echo_area
P_ ((int));
2392 extern void redisplay
P_ ((void));
2393 extern int check_point_in_composition
2394 P_ ((struct buffer
*, int, struct buffer
*, int));
2395 extern void redisplay_preserve_echo_area
P_ ((int));
2396 extern void mark_window_display_accurate
P_ ((Lisp_Object
, int));
2397 extern void prepare_menu_bars
P_ ((void));
2398 extern void syms_of_xdisp
P_ ((void));
2399 extern void init_xdisp
P_ ((void));
2400 extern Lisp_Object safe_eval
P_ ((Lisp_Object
));
2401 extern int pos_visible_p
P_ ((struct window
*, int, int *, int));
2403 /* Defined in vm-limit.c. */
2404 extern void memory_warnings
P_ ((POINTER_TYPE
*, void (*warnfun
) ()));
2406 /* Defined in alloc.c */
2407 extern void check_pure_size
P_ ((void));
2408 extern void allocate_string_data
P_ ((struct Lisp_String
*, int, int));
2409 extern void uninterrupt_malloc
P_ ((void));
2410 extern void malloc_warning
P_ ((char *));
2411 extern void memory_full
P_ ((void));
2412 extern void buffer_memory_full
P_ ((void));
2413 extern int survives_gc_p
P_ ((Lisp_Object
));
2414 extern void mark_object
P_ ((Lisp_Object
*));
2415 extern Lisp_Object Vpurify_flag
;
2416 extern Lisp_Object Vmemory_full
;
2422 EXFUN (Flist
, MANY
);
2423 EXFUN (Fmake_list
, 2);
2424 extern Lisp_Object allocate_misc
P_ ((void));
2425 EXFUN (Fmake_vector
, 2);
2426 EXFUN (Fvector
, MANY
);
2427 EXFUN (Fmake_symbol
, 1);
2428 EXFUN (Fmake_marker
, 0);
2429 EXFUN (Fmake_string
, 2);
2430 extern Lisp_Object build_string
P_ ((const char *));
2431 extern Lisp_Object make_string
P_ ((const char *, int));
2432 extern Lisp_Object make_unibyte_string
P_ ((const char *, int));
2433 extern Lisp_Object make_multibyte_string
P_ ((const char *, int, int));
2434 extern Lisp_Object make_event_array
P_ ((int, Lisp_Object
*));
2435 extern Lisp_Object make_uninit_string
P_ ((int));
2436 extern Lisp_Object make_uninit_multibyte_string
P_ ((int, int));
2437 extern Lisp_Object make_string_from_bytes
P_ ((char *, int, int));
2438 extern Lisp_Object make_specified_string
P_ ((char *, int, int, int));
2439 EXFUN (Fpurecopy
, 1);
2440 extern Lisp_Object make_pure_string
P_ ((char *, int, int, int));
2441 extern Lisp_Object pure_cons
P_ ((Lisp_Object
, Lisp_Object
));
2442 extern Lisp_Object make_pure_vector
P_ ((EMACS_INT
));
2443 EXFUN (Fgarbage_collect
, 0);
2444 EXFUN (Fmake_byte_code
, MANY
);
2445 EXFUN (Fmake_bool_vector
, 2);
2446 EXFUN (Fmake_char_table
, 2);
2447 extern Lisp_Object make_sub_char_table
P_ ((Lisp_Object
));
2448 extern Lisp_Object Qchar_table_extra_slots
;
2449 extern struct Lisp_Vector
*allocate_vector
P_ ((EMACS_INT
));
2450 extern struct Lisp_Vector
*allocate_other_vector
P_ ((EMACS_INT
));
2451 extern struct Lisp_Hash_Table
*allocate_hash_table
P_ ((void));
2452 extern struct window
*allocate_window
P_ ((void));
2453 extern struct frame
*allocate_frame
P_ ((void));
2454 extern struct Lisp_Process
*allocate_process
P_ ((void));
2455 extern int gc_in_progress
;
2456 extern Lisp_Object make_float
P_ ((double));
2457 extern void display_malloc_warning
P_ ((void));
2458 extern int inhibit_garbage_collection
P_ ((void));
2459 extern void free_marker
P_ ((Lisp_Object
));
2460 extern void free_cons
P_ ((struct Lisp_Cons
*));
2461 extern void init_alloc_once
P_ ((void));
2462 extern void init_alloc
P_ ((void));
2463 extern void syms_of_alloc
P_ ((void));
2464 extern struct buffer
* allocate_buffer
P_ ((void));
2466 /* Defined in print.c */
2467 extern Lisp_Object Vprin1_to_string_buffer
;
2468 extern void debug_print
P_ ((Lisp_Object
));
2470 EXFUN (Fprin1_to_string
, 2);
2474 EXFUN (Ferror_message_string
, 1);
2475 extern Lisp_Object Vstandard_output
, Qstandard_output
;
2476 extern Lisp_Object Qexternal_debugging_output
;
2477 extern void temp_output_buffer_setup
P_ ((const char *));
2478 extern int print_level
, print_escape_newlines
;
2479 extern Lisp_Object Qprint_escape_newlines
;
2480 extern void write_string
P_ ((char *, int));
2481 extern void write_string_1
P_ ((char *, int, Lisp_Object
));
2482 extern void print_error_message
P_ ((Lisp_Object
, Lisp_Object
, char *, Lisp_Object
));
2483 extern Lisp_Object internal_with_output_to_temp_buffer
2484 P_ ((const char *, Lisp_Object (*) (Lisp_Object
), Lisp_Object
));
2485 extern void float_to_string
P_ ((unsigned char *, double));
2486 extern void syms_of_print
P_ ((void));
2488 /* Defined in doprnt.c */
2489 extern int doprnt
P_ ((char *, int, char *, char *, int, char **));
2490 extern int doprnt_lisp
P_ ((char *, int, char *, char *, int, char **));
2492 /* Defined in lread.c */
2493 extern Lisp_Object Qvariable_documentation
, Qstandard_input
;
2494 extern Lisp_Object Vobarray
, initial_obarray
, Vstandard_input
;
2496 EXFUN (Fread_from_string
, 3);
2498 EXFUN (Fintern_soft
, 2);
2500 EXFUN (Fget_file_char
, 0);
2501 EXFUN (Fread_char
, 2);
2502 EXFUN (Fread_event
, 2);
2503 extern Lisp_Object read_filtered_event
P_ ((int, int, int, int));
2504 EXFUN (Feval_region
, 4);
2505 extern Lisp_Object intern
P_ ((const char *));
2506 extern Lisp_Object make_symbol
P_ ((char *));
2507 extern Lisp_Object oblookup
P_ ((Lisp_Object
, const char *, int, int));
2508 #define LOADHIST_ATTACH(x) \
2509 if (initialized) Vcurrent_load_list = Fcons (x, Vcurrent_load_list)
2510 extern Lisp_Object Vcurrent_load_list
;
2511 extern Lisp_Object Vload_history
, Vload_suffixes
;
2512 extern int openp
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
,
2513 Lisp_Object
*, Lisp_Object
));
2514 extern int isfloat_string
P_ ((char *));
2515 extern void map_obarray
P_ ((Lisp_Object
, void (*) (Lisp_Object
, Lisp_Object
),
2517 extern void dir_warning
P_ ((char *, Lisp_Object
));
2518 extern void close_load_descs
P_ ((void));
2519 extern void init_obarray
P_ ((void));
2520 extern void init_lread
P_ ((void));
2521 extern void syms_of_lread
P_ ((void));
2523 /* Defined in eval.c */
2524 extern Lisp_Object Qautoload
, Qexit
, Qinteractive
, Qcommandp
, Qdefun
, Qmacro
;
2525 extern Lisp_Object Vinhibit_quit
, Qinhibit_quit
, Vquit_flag
;
2526 extern Lisp_Object Vautoload_queue
;
2527 extern Lisp_Object Vdebug_on_error
;
2528 extern Lisp_Object Vsignaling_function
;
2529 extern int handling_signal
;
2530 extern int interactive_p
P_ ((int));
2532 /* To run a normal hook, use the appropriate function from the list below.
2533 The calling convention:
2535 if (!NILP (Vrun_hooks))
2536 call1 (Vrun_hooks, Qmy_funny_hook);
2538 should no longer be used. */
2539 extern Lisp_Object Vrun_hooks
;
2540 EXFUN (Frun_hooks
, MANY
);
2541 EXFUN (Frun_hook_with_args
, MANY
);
2542 EXFUN (Frun_hook_with_args_until_success
, MANY
);
2543 EXFUN (Frun_hook_with_args_until_failure
, MANY
);
2544 extern Lisp_Object run_hook_list_with_args
P_ ((Lisp_Object
, int, Lisp_Object
*));
2545 extern void run_hook_with_args_2
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
));
2546 EXFUN (Fand
, UNEVALLED
);
2547 EXFUN (For
, UNEVALLED
);
2548 EXFUN (Fif
, UNEVALLED
);
2549 EXFUN (Fprogn
, UNEVALLED
);
2550 EXFUN (Fprog1
, UNEVALLED
);
2551 EXFUN (Fprog2
, UNEVALLED
);
2552 EXFUN (Fsetq
, UNEVALLED
);
2553 EXFUN (Fquote
, UNEVALLED
);
2554 EXFUN (Fuser_variable_p
, 1);
2555 EXFUN (Finteractive_p
, 0);
2556 EXFUN (Fdefun
, UNEVALLED
);
2557 EXFUN (Flet
, UNEVALLED
);
2558 EXFUN (FletX
, UNEVALLED
);
2559 EXFUN (Fwhile
, UNEVALLED
);
2560 EXFUN (Fcatch
, UNEVALLED
);
2561 EXFUN (Fthrow
, 2) NO_RETURN
;
2562 EXFUN (Funwind_protect
, UNEVALLED
);
2563 EXFUN (Fcondition_case
, UNEVALLED
);
2565 EXFUN (Fautoload
, 5);
2566 EXFUN (Fcommandp
, 2);
2568 EXFUN (Fapply
, MANY
);
2569 EXFUN (Ffuncall
, MANY
);
2570 EXFUN (Fbacktrace
, 0);
2571 extern Lisp_Object apply1
P_ ((Lisp_Object
, Lisp_Object
));
2572 extern Lisp_Object call0
P_ ((Lisp_Object
));
2573 extern Lisp_Object call1
P_ ((Lisp_Object
, Lisp_Object
));
2574 extern Lisp_Object call2
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
));
2575 extern Lisp_Object call3
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
));
2576 extern Lisp_Object call4
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
));
2577 extern Lisp_Object call5
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
));
2578 extern Lisp_Object call6
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
));
2579 EXFUN (Fdo_auto_save
, 2);
2580 extern Lisp_Object apply_lambda
P_ ((Lisp_Object
, Lisp_Object
, int));
2581 extern Lisp_Object internal_catch
P_ ((Lisp_Object
, Lisp_Object (*) (Lisp_Object
), Lisp_Object
));
2582 extern Lisp_Object internal_condition_case
P_ ((Lisp_Object (*) (void), Lisp_Object
, Lisp_Object (*) (Lisp_Object
)));
2583 extern Lisp_Object internal_condition_case_1
P_ ((Lisp_Object (*) (Lisp_Object
), Lisp_Object
, Lisp_Object
, Lisp_Object (*) (Lisp_Object
)));
2584 extern Lisp_Object internal_condition_case_2
P_ ((Lisp_Object (*) (int, Lisp_Object
*), int, Lisp_Object
*, Lisp_Object
, Lisp_Object (*) (Lisp_Object
)));
2585 extern void specbind
P_ ((Lisp_Object
, Lisp_Object
));
2586 extern void record_unwind_protect
P_ ((Lisp_Object (*) (Lisp_Object
), Lisp_Object
));
2587 extern Lisp_Object unbind_to
P_ ((int, Lisp_Object
));
2588 extern void error
P_ ((/* char *, ... */)) NO_RETURN
;
2589 extern void do_autoload
P_ ((Lisp_Object
, Lisp_Object
));
2590 extern Lisp_Object un_autoload
P_ ((Lisp_Object
));
2591 EXFUN (Ffetch_bytecode
, 1);
2592 extern void init_eval_once
P_ ((void));
2593 extern Lisp_Object safe_call
P_ ((int, Lisp_Object
*));
2594 extern Lisp_Object safe_call1
P_ ((Lisp_Object
, Lisp_Object
));
2595 extern void init_eval
P_ ((void));
2596 extern void syms_of_eval
P_ ((void));
2598 /* Defined in editfns.c */
2599 EXFUN (Fpropertize
, MANY
);
2600 EXFUN (Fcurrent_message
, 0);
2601 EXFUN (Fgoto_char
, 1);
2602 EXFUN (Fpoint_min_marker
, 0);
2603 EXFUN (Fpoint_max_marker
, 0);
2604 EXFUN (Fpoint_min
, 0);
2605 EXFUN (Fpoint_max
, 0);
2607 EXFUN (Fpoint_marker
, 0);
2608 EXFUN (Fmark_marker
, 0);
2609 EXFUN (Fline_beginning_position
, 1);
2610 EXFUN (Fline_end_position
, 1);
2611 EXFUN (Ffollowing_char
, 0);
2612 EXFUN (Fprevious_char
, 0);
2613 EXFUN (Fchar_after
, 1);
2614 EXFUN (Finsert
, MANY
);
2615 EXFUN (Finsert_and_inherit
, MANY
);
2616 EXFUN (Finsert_before_markers
, MANY
);
2617 EXFUN (Finsert_buffer_substring
, 3);
2618 EXFUN (Finsert_char
, 3);
2619 extern void insert1
P_ ((Lisp_Object
));
2624 EXFUN (Fformat
, MANY
);
2625 EXFUN (Fmessage
, MANY
);
2626 extern Lisp_Object format1
P_ ((/* char *, ... */));
2627 extern Lisp_Object make_buffer_string
P_ ((int, int, int));
2628 EXFUN (Fbuffer_substring
, 2);
2629 EXFUN (Fbuffer_string
, 0);
2630 extern Lisp_Object save_excursion_save
P_ ((void));
2631 extern Lisp_Object save_restriction_save
P_ ((void));
2632 extern Lisp_Object save_excursion_restore
P_ ((Lisp_Object
));
2633 extern Lisp_Object save_restriction_restore
P_ ((Lisp_Object
));
2634 EXFUN (Fchar_to_string
, 1);
2635 EXFUN (Fdelete_region
, 2);
2636 EXFUN (Fnarrow_to_region
, 2);
2638 EXFUN (Fuser_login_name
, 1);
2639 EXFUN (Fsystem_name
, 0);
2640 EXFUN (Fcurrent_time
, 0);
2641 extern int clip_to_bounds
P_ ((int, int, int));
2642 extern Lisp_Object make_buffer_string
P_ ((int, int, int));
2643 extern Lisp_Object make_buffer_string_both
P_ ((int, int, int, int, int));
2644 extern void init_editfns
P_ ((void));
2645 extern void syms_of_editfns
P_ ((void));
2646 EXFUN (Fcurrent_message
, 0);
2647 extern Lisp_Object Vinhibit_field_text_motion
;
2648 EXFUN (Fconstrain_to_field
, 5);
2649 EXFUN (Ffield_string
, 1);
2650 EXFUN (Fdelete_field
, 1);
2651 EXFUN (Ffield_beginning
, 3);
2652 EXFUN (Ffield_end
, 3);
2653 EXFUN (Ffield_string_no_properties
, 1);
2654 extern void set_time_zone_rule
P_ ((char *));
2656 /* defined in buffer.c */
2657 extern int mouse_face_overlay_overlaps
P_ ((Lisp_Object
));
2658 extern void nsberror
P_ ((Lisp_Object
));
2659 extern char *no_switch_window
P_ ((Lisp_Object window
));
2660 EXFUN (Fset_buffer_multibyte
, 1);
2661 EXFUN (Foverlay_start
, 1);
2662 EXFUN (Foverlay_end
, 1);
2663 extern void adjust_overlays_for_insert
P_ ((int, int));
2664 extern void adjust_overlays_for_delete
P_ ((int, int));
2665 extern void fix_overlays_in_range
P_ ((int, int));
2666 extern void report_overlay_modification
P_ ((Lisp_Object
, Lisp_Object
, int,
2667 Lisp_Object
, Lisp_Object
, Lisp_Object
));
2668 extern int overlay_touches_p
P_ ((int));
2669 extern Lisp_Object Vbuffer_alist
, Vinhibit_read_only
;
2670 EXFUN (Fget_buffer
, 1);
2671 EXFUN (Fget_buffer_create
, 1);
2672 EXFUN (Fset_buffer
, 1);
2673 EXFUN (set_buffer_if_live
, 1);
2674 EXFUN (Fbarf_if_buffer_read_only
, 0);
2675 EXFUN (Fcurrent_buffer
, 0);
2676 EXFUN (Fswitch_to_buffer
, 2);
2677 EXFUN (Fpop_to_buffer
, 3);
2678 EXFUN (Fother_buffer
, 3);
2679 EXFUN (Foverlay_get
, 2);
2680 EXFUN (Fbuffer_modified_p
, 1);
2681 EXFUN (Fset_buffer_modified_p
, 1);
2682 EXFUN (Fkill_buffer
, 1);
2683 EXFUN (Fkill_all_local_variables
, 0);
2684 EXFUN (Fbuffer_disable_undo
, 1);
2685 EXFUN (Fbuffer_enable_undo
, 1);
2686 EXFUN (Ferase_buffer
, 0);
2687 extern Lisp_Object Qoverlayp
;
2688 extern Lisp_Object get_truename_buffer
P_ ((Lisp_Object
));
2689 extern struct buffer
*all_buffers
;
2690 EXFUN (Fprevious_overlay_change
, 1);
2691 EXFUN (Fbuffer_file_name
, 1);
2692 extern void init_buffer_once
P_ ((void));
2693 extern void init_buffer
P_ ((void));
2694 extern void syms_of_buffer
P_ ((void));
2695 extern void keys_of_buffer
P_ ((void));
2697 /* defined in marker.c */
2699 EXFUN (Fmarker_position
, 1);
2700 EXFUN (Fmarker_buffer
, 1);
2701 EXFUN (Fcopy_marker
, 2);
2702 EXFUN (Fset_marker
, 3);
2703 extern int marker_position
P_ ((Lisp_Object
));
2704 extern int marker_byte_position
P_ ((Lisp_Object
));
2705 extern void clear_charpos_cache
P_ ((struct buffer
*));
2706 extern int charpos_to_bytepos
P_ ((int));
2707 extern int buf_charpos_to_bytepos
P_ ((struct buffer
*, int));
2708 extern int buf_bytepos_to_charpos
P_ ((struct buffer
*, int));
2709 extern void unchain_marker
P_ ((Lisp_Object
));
2710 extern Lisp_Object set_marker_restricted
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
));
2711 extern Lisp_Object set_marker_both
P_ ((Lisp_Object
, Lisp_Object
, int, int));
2712 extern Lisp_Object set_marker_restricted_both
P_ ((Lisp_Object
, Lisp_Object
,
2714 extern void syms_of_marker
P_ ((void));
2716 /* Defined in fileio.c */
2718 extern Lisp_Object Qfile_error
;
2719 EXFUN (Ffind_file_name_handler
, 2);
2720 EXFUN (Ffile_name_as_directory
, 1);
2721 EXFUN (Fmake_temp_name
, 1);
2722 EXFUN (Fexpand_file_name
, 2);
2723 EXFUN (Ffile_name_nondirectory
, 1);
2724 EXFUN (Fsubstitute_in_file_name
, 1);
2725 EXFUN (Ffile_symlink_p
, 1);
2726 EXFUN (Fverify_visited_file_modtime
, 1);
2727 EXFUN (Ffile_exists_p
, 1);
2728 EXFUN (Ffile_name_absolute_p
, 1);
2729 EXFUN (Fdirectory_file_name
, 1);
2730 EXFUN (Ffile_name_directory
, 1);
2731 extern Lisp_Object expand_and_dir_to_file
P_ ((Lisp_Object
, Lisp_Object
));
2732 EXFUN (Ffile_accessible_directory_p
, 1);
2733 EXFUN (Funhandled_file_name_directory
, 1);
2734 EXFUN (Ffile_directory_p
, 1);
2735 EXFUN (Fwrite_region
, 7);
2736 EXFUN (Ffile_readable_p
, 1);
2737 EXFUN (Ffile_executable_p
, 1);
2738 EXFUN (Fread_file_name
, 6);
2739 extern Lisp_Object close_file_unwind
P_ ((Lisp_Object
));
2740 extern void report_file_error
P_ ((const char *, Lisp_Object
));
2741 extern int internal_delete_file
P_ ((Lisp_Object
));
2742 extern void syms_of_fileio
P_ ((void));
2743 EXFUN (Fmake_temp_name
, 1);
2744 extern void init_fileio_once
P_ ((void));
2745 extern Lisp_Object make_temp_name
P_ ((Lisp_Object
, int));
2747 /* Defined in abbrev.c */
2749 extern Lisp_Object Vfundamental_mode_abbrev_table
;
2750 extern void syms_of_abbrev
P_ ((void));
2752 /* defined in search.c */
2753 extern void shrink_regexp_cache
P_ ((void));
2754 EXFUN (Fstring_match
, 3);
2755 extern void restore_match_data
P_ ((void));
2756 EXFUN (Fmatch_data
, 2);
2757 EXFUN (Fset_match_data
, 1);
2758 EXFUN (Fmatch_beginning
, 1);
2759 EXFUN (Fmatch_end
, 1);
2760 EXFUN (Flooking_at
, 1);
2761 extern int fast_string_match
P_ ((Lisp_Object
, Lisp_Object
));
2762 extern int fast_c_string_match_ignore_case
P_ ((Lisp_Object
, const char *));
2763 extern int scan_buffer
P_ ((int, int, int, int, int *, int));
2764 extern int scan_newline
P_ ((int, int, int, int, int, int));
2765 extern int find_next_newline
P_ ((int, int));
2766 extern int find_next_newline_no_quit
P_ ((int, int));
2767 extern int find_before_next_newline
P_ ((int, int, int));
2768 extern void syms_of_search
P_ ((void));
2770 /* defined in minibuf.c */
2772 extern Lisp_Object last_minibuf_string
;
2773 extern void choose_minibuf_frame
P_ ((void));
2774 EXFUN (Fcompleting_read
, 8);
2775 EXFUN (Fread_from_minibuffer
, 7);
2776 EXFUN (Fread_variable
, 2);
2777 EXFUN (Fread_buffer
, 3);
2778 EXFUN (Fread_minibuffer
, 2);
2779 EXFUN (Feval_minibuffer
, 2);
2780 EXFUN (Fread_string
, 5);
2781 EXFUN (Fread_no_blanks_input
, 3);
2782 extern Lisp_Object get_minibuffer
P_ ((int));
2783 extern void temp_echo_area_glyphs
P_ ((const char *));
2784 extern void init_minibuf_once
P_ ((void));
2785 extern void syms_of_minibuf
P_ ((void));
2786 extern void keys_of_minibuf
P_ ((void));
2788 /* Defined in callint.c */
2790 extern Lisp_Object Qminus
, Qplus
, Vcurrent_prefix_arg
;
2791 extern Lisp_Object Vcommand_history
;
2792 extern Lisp_Object Qcall_interactively
, Qmouse_leave_buffer_hook
;
2793 EXFUN (Fcall_interactively
, 3);
2794 EXFUN (Fprefix_numeric_value
, 1);
2795 extern void syms_of_callint
P_ ((void));
2797 /* defined in casefiddle.c */
2799 EXFUN (Fdowncase
, 1);
2801 EXFUN (Fcapitalize
, 1);
2802 EXFUN (Fupcase_region
, 2);
2803 EXFUN (Fupcase_initials
, 1);
2804 EXFUN (Fupcase_initials_region
, 2);
2805 extern void syms_of_casefiddle
P_ ((void));
2806 extern void keys_of_casefiddle
P_ ((void));
2808 /* defined in casetab.c */
2810 EXFUN (Fset_case_table
, 1);
2811 EXFUN (Fset_standard_case_table
, 1);
2812 extern void init_casetab_once
P_ ((void));
2813 extern void syms_of_casetab
P_ ((void));
2815 /* defined in keyboard.c */
2818 extern Lisp_Object echo_message_buffer
;
2819 extern struct kboard
*echo_kboard
;
2820 extern void cancel_echoing
P_ ((void));
2821 extern Lisp_Object Qdisabled
, QCfilter
;
2822 extern Lisp_Object Vtty_erase_char
, Vhelp_form
, Vtop_level
;
2823 extern int input_pending
;
2824 EXFUN (Fdiscard_input
, 0);
2825 EXFUN (Frecursive_edit
, 0);
2826 EXFUN (Ftop_level
, 0);
2827 EXFUN (Fcommand_execute
, 4);
2828 EXFUN (Finput_pending_p
, 0);
2829 extern Lisp_Object menu_bar_items
P_ ((Lisp_Object
));
2830 extern Lisp_Object tool_bar_items
P_ ((Lisp_Object
, int *));
2831 extern Lisp_Object Qvertical_scroll_bar
;
2832 extern void discard_mouse_events
P_ ((void));
2833 EXFUN (Fevent_convert_list
, 1);
2834 EXFUN (Fread_key_sequence
, 5);
2835 EXFUN (Fset_input_mode
, 4);
2836 extern int detect_input_pending
P_ ((void));
2837 extern int detect_input_pending_run_timers
P_ ((int));
2838 extern void safe_run_hooks
P_ ((Lisp_Object
));
2839 extern void cmd_error_internal
P_ ((Lisp_Object
, char *));
2840 extern Lisp_Object command_loop_1
P_ ((void));
2841 extern Lisp_Object recursive_edit_1
P_ ((void));
2842 extern void record_auto_save
P_ ((void));
2843 extern void init_keyboard
P_ ((void));
2844 extern void syms_of_keyboard
P_ ((void));
2845 extern void keys_of_keyboard
P_ ((void));
2846 extern char *push_key_description
P_ ((unsigned int, char *, int));
2849 /* defined in indent.c */
2850 EXFUN (Fvertical_motion
, 2);
2851 EXFUN (Findent_to
, 2);
2852 EXFUN (Fcurrent_column
, 0);
2853 EXFUN (Fmove_to_column
, 2);
2854 extern double current_column
P_ ((void));
2855 extern void invalidate_current_column
P_ ((void));
2856 extern int indented_beyond_p
P_ ((int, int, double));
2857 extern void syms_of_indent
P_ ((void));
2859 /* defined in window.c */
2860 extern Lisp_Object Qwindowp
, Qwindow_live_p
;
2861 extern Lisp_Object Vwindow_list
;
2862 EXFUN (Fwindow_end
, 2);
2863 EXFUN (Fselected_window
, 0);
2864 EXFUN (Fnext_window
, 3);
2865 EXFUN (Fdelete_window
, 1);
2866 EXFUN (Fselect_window
, 1);
2867 EXFUN (Fset_window_buffer
, 2);
2868 EXFUN (Fwindow_buffer
, 1);
2869 EXFUN (Fget_buffer_window
, 2);
2870 EXFUN (Fsave_window_excursion
, UNEVALLED
);
2871 EXFUN (Fsplit_window
, 3);
2872 EXFUN (Fset_window_configuration
, 1);
2873 EXFUN (Fcurrent_window_configuration
, 1);
2874 extern int compare_window_configurations
P_ ((Lisp_Object
, Lisp_Object
, int));
2875 EXFUN (Fcoordinates_in_window_p
, 2);
2876 EXFUN (Fwindow_at
, 3);
2877 EXFUN (Fpos_visible_in_window_p
, 3);
2878 extern void mark_window_cursors_off
P_ ((struct window
*));
2879 extern int window_internal_height
P_ ((struct window
*));
2880 extern int window_internal_width
P_ ((struct window
*));
2881 EXFUN (Frecenter
, 1);
2882 EXFUN (Fscroll_other_window
, 1);
2883 EXFUN (Fset_window_start
, 3);
2884 extern void temp_output_buffer_show
P_ ((Lisp_Object
));
2885 extern void replace_buffer_in_all_windows
P_ ((Lisp_Object
));
2886 extern void init_window_once
P_ ((void));
2887 extern void init_window
P_ ((void));
2888 extern void syms_of_window
P_ ((void));
2889 extern void keys_of_window
P_ ((void));
2891 /* defined in frame.c */
2892 extern Lisp_Object Qvisible
;
2893 extern void store_frame_param
P_ ((struct frame
*, Lisp_Object
, Lisp_Object
));
2894 extern void store_in_alist
P_ ((Lisp_Object
*, Lisp_Object
, Lisp_Object
));
2895 extern Lisp_Object do_switch_frame
P_ ((Lisp_Object
, int, int));
2896 extern Lisp_Object get_frame_param
P_ ((struct frame
*, Lisp_Object
));
2897 extern Lisp_Object frame_buffer_predicate
P_ ((Lisp_Object
));
2899 EXFUN (Fselect_frame
, 2);
2900 EXFUN (Fselected_frame
, 0);
2901 EXFUN (Fwindow_frame
, 1);
2902 EXFUN (Fframe_root_window
, 1);
2903 EXFUN (Fframe_first_window
, 1);
2904 EXFUN (Fframe_selected_window
, 1);
2905 EXFUN (Fframe_list
, 0);
2906 EXFUN (Fnext_frame
, 2);
2907 EXFUN (Fdelete_frame
, 2);
2908 EXFUN (Fset_mouse_position
, 3);
2909 EXFUN (Fmake_frame_visible
, 1);
2910 EXFUN (Fmake_frame_invisible
, 2);
2911 EXFUN (Ficonify_frame
, 1);
2912 EXFUN (Fframe_visible_p
, 1);
2913 EXFUN (Fvisible_frame_list
, 0);
2914 EXFUN (Fframe_parameter
, 2);
2915 EXFUN (Fframe_parameters
, 1);
2916 EXFUN (Fmodify_frame_parameters
, 2);
2917 EXFUN (Fset_frame_height
, 3);
2918 EXFUN (Fset_frame_width
, 3);
2919 EXFUN (Fset_frame_size
, 3);
2920 EXFUN (Fset_frame_position
, 3);
2921 EXFUN (Fraise_frame
, 1);
2922 EXFUN (Fredirect_frame_focus
, 2);
2923 EXFUN (Fset_frame_selected_window
, 2);
2924 extern Lisp_Object frame_buffer_list
P_ ((Lisp_Object
));
2925 extern void frames_discard_buffer
P_ ((Lisp_Object
));
2926 extern void set_frame_buffer_list
P_ ((Lisp_Object
, Lisp_Object
));
2927 extern void frames_bury_buffer
P_ ((Lisp_Object
));
2928 extern void syms_of_frame
P_ ((void));
2930 /* defined in emacs.c */
2931 extern Lisp_Object decode_env_path
P_ ((char *, char *));
2932 extern Lisp_Object Vinvocation_name
, Vinvocation_directory
;
2933 extern Lisp_Object Vinstallation_directory
, empty_string
;
2934 EXFUN (Fkill_emacs
, 1);
2936 void fixup_locale
P_ ((void));
2937 void synchronize_system_messages_locale
P_ ((void));
2938 void synchronize_system_time_locale
P_ ((void));
2940 #define setlocale(category, locale)
2941 #define fixup_locale()
2942 #define synchronize_system_messages_locale()
2943 #define synchronize_system_time_locale()
2945 void shut_down_emacs
P_ ((int, int, Lisp_Object
));
2946 /* Nonzero means don't do interactive redisplay and don't change tty modes */
2947 extern int noninteractive
;
2948 /* Nonzero means don't do use window-system-specific display code */
2949 extern int inhibit_window_system
;
2950 /* Nonzero means that a filter or a sentinel is running. */
2951 extern int running_asynch_code
;
2953 /* defined in process.c */
2954 EXFUN (Fget_process
, 1);
2955 EXFUN (Fget_buffer_process
, 1);
2956 EXFUN (Fprocessp
, 1);
2957 EXFUN (Fprocess_status
, 1);
2958 EXFUN (Fkill_process
, 2);
2959 EXFUN (Fprocess_send_eof
, 1);
2960 EXFUN (Fwaiting_for_user_input_p
, 0);
2961 extern Lisp_Object Qprocessp
;
2962 extern void kill_buffer_processes
P_ ((Lisp_Object
));
2963 extern int wait_reading_process_input
P_ ((int, int, Lisp_Object
, int));
2964 extern void deactivate_process
P_ ((Lisp_Object
));
2965 extern void add_keyboard_wait_descriptor
P_ ((int));
2966 extern void delete_keyboard_wait_descriptor
P_ ((int));
2967 extern void close_process_descs
P_ ((void));
2968 extern void status_notify
P_ ((void));
2969 extern int read_process_output
P_ ((Lisp_Object
, int));
2970 extern void init_process
P_ ((void));
2971 extern void syms_of_process
P_ ((void));
2973 /* defined in callproc.c */
2974 extern Lisp_Object Vexec_path
, Vexec_suffixes
,
2975 Vexec_directory
, Vdata_directory
;
2976 extern Lisp_Object Vdoc_directory
;
2977 EXFUN (Fcall_process
, MANY
);
2978 extern int child_setup
P_ ((int, int, int, char **, int, Lisp_Object
));
2979 extern void init_callproc_1
P_ ((void));
2980 extern void init_callproc
P_ ((void));
2981 extern void set_process_environment
P_ ((void));
2982 extern void syms_of_callproc
P_ ((void));
2984 /* defined in doc.c */
2985 extern Lisp_Object Vdoc_file_name
;
2986 EXFUN (Fsubstitute_command_keys
, 1);
2987 EXFUN (Fdocumentation
, 2);
2988 EXFUN (Fdocumentation_property
, 3);
2989 extern Lisp_Object read_doc_string
P_ ((Lisp_Object
));
2990 extern Lisp_Object get_doc_string
P_ ((Lisp_Object
, int, int));
2991 extern void syms_of_doc
P_ ((void));
2992 extern int read_bytecode_char
P_ ((int));
2994 /* defined in bytecode.c */
2995 extern Lisp_Object Qbytecode
;
2996 EXFUN (Fbyte_code
, 3);
2997 extern void syms_of_bytecode
P_ ((void));
2998 extern struct byte_stack
*byte_stack_list
;
2999 extern void mark_byte_stack
P_ ((void));
3000 extern void unmark_byte_stack
P_ ((void));
3002 /* defined in macros.c */
3003 extern Lisp_Object Qexecute_kbd_macro
;
3004 EXFUN (Fexecute_kbd_macro
, 3);
3005 extern void init_macros
P_ ((void));
3006 extern void syms_of_macros
P_ ((void));
3008 /* defined in undo.c */
3009 extern Lisp_Object Qinhibit_read_only
;
3010 EXFUN (Fundo_boundary
, 0);
3011 extern Lisp_Object truncate_undo_list
P_ ((Lisp_Object
, int, int));
3012 extern void record_marker_adjustment
P_ ((Lisp_Object
, int));
3013 extern void record_insert
P_ ((int, int));
3014 extern void record_delete
P_ ((int, Lisp_Object
));
3015 extern void record_first_change
P_ ((void));
3016 extern void record_change
P_ ((int, int));
3017 extern void record_property_change
P_ ((int, int, Lisp_Object
, Lisp_Object
,
3019 extern void syms_of_undo
P_ ((void));
3021 /* defined in textprop.c */
3022 extern Lisp_Object Qmodification_hooks
;
3023 extern Lisp_Object Qrear_nonsticky
, Qfont
, Qmouse_face
;
3024 extern Lisp_Object Qinsert_in_front_hooks
, Qinsert_behind_hooks
;
3025 EXFUN (Fnext_property_change
, 3);
3026 EXFUN (Fnext_single_property_change
, 4);
3027 EXFUN (Fnext_single_char_property_change
, 4);
3028 EXFUN (Fprevious_single_property_change
, 4);
3029 EXFUN (Fget_text_property
, 3);
3030 EXFUN (Fput_text_property
, 5);
3031 EXFUN (Fset_text_properties
, 4);
3032 EXFUN (Ftext_property_not_all
, 5);
3033 EXFUN (Fprevious_char_property_change
, 2);
3034 EXFUN (Fnext_char_property_change
, 2);
3035 extern void report_interval_modification
P_ ((Lisp_Object
, Lisp_Object
));
3036 extern void syms_of_textprop
P_ ((void));
3037 extern Lisp_Object next_single_char_property_change
P_ ((Lisp_Object
,
3041 extern Lisp_Object set_text_properties
P_ ((Lisp_Object
, Lisp_Object
,
3042 Lisp_Object
, Lisp_Object
,
3045 /* defined in xmenu.c */
3046 EXFUN (Fx_popup_menu
, 2);
3047 EXFUN (Fx_popup_dialog
, 2);
3048 extern void syms_of_xmenu
P_ ((void));
3049 extern int popup_activated_flag
;
3051 /* defined in sysdep.c */
3052 extern void stuff_char
P_ ((char c
));
3053 extern void init_sigio
P_ ((int));
3054 extern void request_sigio
P_ ((void));
3055 extern void unrequest_sigio
P_ ((void));
3056 extern void reset_sys_modes
P_ ((void));
3057 extern void sys_subshell
P_ ((void));
3058 extern void sys_suspend
P_ ((void));
3059 extern void discard_tty_input
P_ ((void));
3060 extern void init_sys_modes
P_ ((void));
3061 extern void reset_sys_modes
P_ ((void));
3062 extern void get_frame_size
P_ ((int *, int *));
3063 extern void wait_for_termination
P_ ((int));
3064 extern void flush_pending_output
P_ ((int));
3065 extern void child_setup_tty
P_ ((int));
3066 extern void setup_pty
P_ ((int));
3067 extern int set_window_size
P_ ((int, int, int));
3068 extern void create_process
P_ ((Lisp_Object
, char **, Lisp_Object
));
3069 extern int tabs_safe_p
P_ ((void));
3070 extern void init_baud_rate
P_ ((void));
3071 extern int emacs_open
P_ ((const char *, int, int));
3072 extern int emacs_close
P_ ((int));
3073 extern int emacs_read
P_ ((int, char *, unsigned int));
3074 extern int emacs_write
P_ ((int, const char *, unsigned int));
3076 /* defined in filelock.c */
3077 EXFUN (Funlock_buffer
, 0);
3078 EXFUN (Ffile_locked_p
, 1);
3079 extern void unlock_all_files
P_ ((void));
3080 extern void lock_file
P_ ((Lisp_Object
));
3081 extern void unlock_file
P_ ((Lisp_Object
));
3082 extern void unlock_buffer
P_ ((struct buffer
*));
3083 extern void syms_of_filelock
P_ ((void));
3084 extern void init_filelock
P_ ((void));
3086 /* Defined in sound.c */
3087 extern void syms_of_sound
P_ ((void));
3088 extern void init_sound
P_ ((void));
3090 /* Defined in category.c */
3091 extern void init_category_once
P_ ((void));
3092 extern void syms_of_category
P_ ((void));
3094 /* Defined in ccl.c */
3095 extern void syms_of_ccl
P_ ((void));
3097 /* Defined in dired.c */
3098 EXFUN (Ffile_attributes
, 1);
3099 extern void syms_of_dired
P_ ((void));
3101 /* Defined in term.c */
3102 extern void syms_of_term
P_ ((void));
3103 extern void fatal () NO_RETURN
;
3105 #ifdef HAVE_X_WINDOWS
3106 /* Defined in fontset.c */
3107 extern void syms_of_fontset
P_ ((void));
3108 EXFUN (Fset_fontset_font
, 4);
3111 /* Defined in xfaces.c */
3112 extern void syms_of_xfaces
P_ ((void));
3114 /* Defined in getloadavg.c */
3115 extern int getloadavg
P_ ((double *, int));
3117 #ifdef HAVE_X_WINDOWS
3118 /* Defined in xfns.c */
3119 extern void syms_of_xfns
P_ ((void));
3120 extern void init_xfns
P_ ((void));
3121 extern Lisp_Object Vx_resource_name
;
3122 EXFUN (Fxw_display_color_p
, 1);
3123 EXFUN (Fx_file_dialog
, 4);
3124 #endif /* HAVE_X_WINDOWS */
3126 /* Defined in xsmfns.c */
3127 extern void syms_of_xsmfns
P_ ((void));
3129 /* Defined in xselect.c */
3130 extern void syms_of_xselect
P_ ((void));
3132 /* Defined in xterm.c */
3133 extern void syms_of_xterm
P_ ((void));
3135 /* Defined in getloadavg.c */
3136 extern int getloadavg
P_ ((double [], int));
3138 /* Nonzero means Emacs has already been initialized.
3139 Used during startup to detect startup of dumped Emacs. */
3140 extern int initialized
;
3142 extern int immediate_quit
; /* Nonzero means ^G can quit instantly */
3144 extern POINTER_TYPE
*xmalloc
P_ ((size_t));
3145 extern POINTER_TYPE
*xrealloc
P_ ((POINTER_TYPE
*, size_t));
3146 extern void xfree
P_ ((POINTER_TYPE
*));
3148 extern char *xstrdup
P_ ((const char *));
3151 extern char *egetenv
P_ ((char *));
3154 /* Set up the name of the machine we're running on. */
3155 extern void init_system_name
P_ ((void));
3157 /* Some systems (e.g., NT) use a different path separator than Unix,
3158 in addition to a device separator. Default the path separator
3159 to '/', and don't test for a device separator in IS_ANY_SEP. */
3162 extern Lisp_Object Vdirectory_sep_char
;
3165 #ifndef DIRECTORY_SEP
3166 #define DIRECTORY_SEP '/'
3168 #ifndef IS_DIRECTORY_SEP
3169 #define IS_DIRECTORY_SEP(_c_) ((_c_) == DIRECTORY_SEP)
3171 #ifndef IS_DEVICE_SEP
3173 #define IS_DEVICE_SEP(_c_) 0
3175 #define IS_DEVICE_SEP(_c_) ((_c_) == DEVICE_SEP)
3179 #define IS_ANY_SEP(_c_) (IS_DIRECTORY_SEP (_c_))
3182 #ifdef SWITCH_ENUM_BUG
3183 #define SWITCH_ENUM_CAST(x) ((int)(x))
3185 #define SWITCH_ENUM_CAST(x) (x)
3188 /* Loop over Lisp list LIST. Signal an error if LIST is not a proper
3189 list, or if it contains circles.
3191 HARE and TORTOISE should be the names of Lisp_Object variables, and
3192 N should be the name of an EMACS_INT variable declared in the
3193 function where the macro is used. Each nested loop should use
3196 In the loop body, HARE is set to each cons of LIST, and N is the
3197 length of the list processed so far. */
3199 #define LIST_END_P(list, obj) \
3204 : (wrong_type_argument (Qlistp, (list))), 1))
3206 #define FOREACH(hare, list, tortoise, n) \
3207 for (tortoise = hare = (list), n = 0; \
3208 !LIST_END_P (list, hare); \
3209 (hare = XCDR (hare), ++n, \
3211 ? (tortoise = XCDR (tortoise), \
3212 (EQ (hare, tortoise) \
3213 && (circular_list_error ((list)), 1))) \
3216 /* The ubiquitous min and max macros. */
3222 #define min(a, b) ((a) < (b) ? (a) : (b))
3223 #define max(a, b) ((a) > (b) ? (a) : (b))
3225 /* Return a fixnum or float, depending on whether VAL fits in a Lisp
3228 #define make_fixnum_or_float(val) \
3229 (FIXNUM_OVERFLOW_P (val) \
3230 ? make_float (val) \
3231 : make_number ((EMACS_INT)(val)))