1 /* Fundamental definitions for GNU Emacs Lisp interpreter.
2 Copyright (C) 1985, 1986, 1987, 1993, 1994, 1995, 1997, 1998, 1999, 2000,
3 2001, 2002, 2003, 2004, 2005, 2006, 2007 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 3, 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., 51 Franklin Street, Fifth Floor,
20 Boston, MA 02110-1301, USA. */
25 /* Declare the prototype for a general external function. */
26 #if defined (PROTOTYPES) || defined (WINDOWSNT)
27 #define P_(proto) proto
33 /* Define this temporarily to hunt a bug. If defined, the size of
34 strings is redundantly recorded in sdata structures so that it can
35 be compared to the sizes recorded in Lisp strings. */
37 #define GC_CHECK_STRING_BYTES 1
39 /* Define this to check for short string overrun. */
41 #define GC_CHECK_STRING_OVERRUN 1
43 /* Define this to check the string free list. */
45 #define GC_CHECK_STRING_FREE_LIST 1
47 /* Define this to check for malloc buffer overrun. */
49 #define XMALLOC_OVERRUN_CHECK 1
51 /* Define this to check for errors in cons list. */
52 /* #define GC_CHECK_CONS_LIST 1 */
56 #ifdef GC_CHECK_CONS_LIST
57 #define CHECK_CONS_LIST() check_cons_list()
59 #define CHECK_CONS_LIST() ((void)0)
62 /* These are default choices for the types to use. */
65 #define EMACS_INT long
66 #define BITS_PER_EMACS_INT BITS_PER_LONG
69 #define EMACS_UINT unsigned long
74 #define BITS_PER_EMACS_INT BITS_PER_INT
77 #define EMACS_UINT unsigned int
81 /* Extra internal type checking? */
82 extern int suppress_checking
;
83 extern void die
P_((const char *, const char *, int)) NO_RETURN
;
85 #ifdef ENABLE_CHECKING
87 #define CHECK(check,msg) (((check) || suppress_checking \
89 : die ((msg), __FILE__, __LINE__)), \
93 /* Produce same side effects and result, but don't complain. */
94 #define CHECK(check,msg) ((check),0)
98 /* Used for making sure that Emacs is compilable in all
101 #ifdef USE_LISP_UNION_TYPE
105 /* Define an Emacs version of "assert", since some system ones are
107 #ifndef ENABLE_CHECKING
108 #define eassert(X) (void) 0
109 #else /* ENABLE_CHECKING */
110 #if defined (__GNUC__) && __GNUC__ >= 2 && defined (__STDC__)
111 #define eassert(cond) CHECK(cond,"assertion failed: " #cond)
113 #define eassert(cond) CHECK(cond,"assertion failed")
115 #endif /* ENABLE_CHECKING */
117 /* Define the fundamental Lisp data structures. */
119 /* This is the set of Lisp data types. */
123 /* Integer. XINT (obj) is the integer value. */
126 /* Symbol. XSYMBOL (object) points to a struct Lisp_Symbol. */
129 /* Miscellaneous. XMISC (object) points to a union Lisp_Misc,
130 whose first member indicates the subtype. */
133 /* String. XSTRING (object) points to a struct Lisp_String.
134 The length of the string, and its contents, are stored therein. */
137 /* Vector of Lisp objects, or something resembling it.
138 XVECTOR (object) points to a struct Lisp_Vector, which contains
139 the size and contents. The size field also contains the type
140 information, if it's not a real vector object. */
143 /* Cons. XCONS (object) points to a struct Lisp_Cons. */
148 /* This is not a type code. It is for range checking. */
152 /* This is the set of data types that share a common structure.
153 The first member of the structure is a type code from this set.
154 The enum values are arbitrary, but we'll use large numbers to make it
155 more likely that we'll spot the error if a random word in memory is
156 mistakenly interpreted as a Lisp_Misc. */
159 Lisp_Misc_Free
= 0x5eab,
164 Lisp_Misc_Buffer_Objfwd
,
165 Lisp_Misc_Buffer_Local_Value
,
166 Lisp_Misc_Some_Buffer_Local_Value
,
168 Lisp_Misc_Kboard_Objfwd
,
169 Lisp_Misc_Save_Value
,
170 /* Currently floats are not a misc type,
171 but let's define this in case we want to change that. */
173 /* This is not a type code. It is for range checking. */
181 /* These values are overridden by the m- file on some machines. */
183 #define VALBITS (BITS_PER_EMACS_INT - GCTYPEBITS)
186 #ifndef NO_UNION_TYPE
188 #ifndef WORDS_BIG_ENDIAN
190 /* Definition of Lisp_Object for little-endian machines. */
195 /* Used for comparing two Lisp_Objects;
196 also, positive integers can be accessed fast this way. */
201 EMACS_INT val
: VALBITS
;
202 enum Lisp_Type type
: GCTYPEBITS
;
206 EMACS_UINT val
: VALBITS
;
207 enum Lisp_Type type
: GCTYPEBITS
;
212 #else /* If WORDS_BIG_ENDIAN */
217 /* Used for comparing two Lisp_Objects;
218 also, positive integers can be accessed fast this way. */
223 enum Lisp_Type type
: GCTYPEBITS
;
224 EMACS_INT val
: VALBITS
;
228 enum Lisp_Type type
: GCTYPEBITS
;
229 EMACS_UINT val
: VALBITS
;
234 #endif /* WORDS_BIG_ENDIAN */
237 static __inline__ Lisp_Object
238 LISP_MAKE_RVALUE (Lisp_Object o
)
243 /* This isn't quite right - it keeps the argument as an lvalue.
244 Making it const via casting would help avoid code actually
245 modifying the location in question, but the casting could cover
246 other type-related bugs. */
247 #define LISP_MAKE_RVALUE(o) (o)
250 #endif /* NO_UNION_TYPE */
253 /* If union type is not wanted, define Lisp_Object as just a number. */
256 typedef EMACS_INT Lisp_Object
;
257 #define LISP_MAKE_RVALUE(o) (0+(o))
258 #endif /* NO_UNION_TYPE */
260 /* Two flags that are set during GC. On some machines, these flags
261 are defined differently by the m- file. */
263 /* In the size word of a vector, this bit means the vector has been marked. */
265 #ifndef ARRAY_MARK_FLAG
266 #define ARRAY_MARK_FLAG ((EMACS_INT) ((EMACS_UINT) 1 << (VALBITS + GCTYPEBITS - 1)))
267 #endif /* no ARRAY_MARK_FLAG */
269 /* In the size word of a struct Lisp_Vector, this bit means it's really
270 some other vector-like object. */
271 #ifndef PSEUDOVECTOR_FLAG
272 #define PSEUDOVECTOR_FLAG ((ARRAY_MARK_FLAG >> 1) & ~ARRAY_MARK_FLAG)
275 /* In a pseudovector, the size field actually contains a word with one
276 PSEUDOVECTOR_FLAG bit set, and exactly one of the following bits to
277 indicate the actual type. */
280 PVEC_NORMAL_VECTOR
= 0,
281 PVEC_PROCESS
= 0x200,
283 PVEC_COMPILED
= 0x800,
284 PVEC_WINDOW
= 0x1000,
285 PVEC_WINDOW_CONFIGURATION
= 0x2000,
287 PVEC_CHAR_TABLE
= 0x8000,
288 PVEC_BOOL_VECTOR
= 0x10000,
289 PVEC_BUFFER
= 0x20000,
290 PVEC_HASH_TABLE
= 0x40000,
291 PVEC_SUB_CHAR_TABLE
= 0x80000,
292 PVEC_TYPE_MASK
= 0x0ffe00
294 #if 0 /* This is used to make the value of PSEUDOVECTOR_FLAG available to
295 GDB. It doesn't work on OS Alpha. Moved to a variable in
297 PVEC_FLAG
= PSEUDOVECTOR_FLAG
301 /* For convenience, we also store the number of elements in these bits.
302 Note that this size is not necessarily the memory-footprint size, but
303 only the number of Lisp_Object fields (that need to be traced by the GC).
304 The distinction is used e.g. by Lisp_Process which places extra
305 non-Lisp_Object fields at the end of the structure. */
306 #define PSEUDOVECTOR_SIZE_MASK 0x1ff
308 /* Number of bits to put in each character in the internal representation
309 of bool vectors. This should not vary across implementations. */
310 #define BOOL_VECTOR_BITS_PER_CHAR 8
312 /***** Select the tagging scheme. *****/
313 /* There are basically two options that control the tagging scheme:
314 - NO_UNION_TYPE says that Lisp_Object should be an integer instead
316 - USE_LSB_TAG means that we can assume the least 3 bits of pointers are
317 always 0, and we can thus use them to hold tag bits, without
318 restricting our addressing space.
320 If USE_LSB_TAG is not set, then we use the top 3 bits for tagging, thus
321 restricting our possible address range. Currently USE_LSB_TAG is not
322 allowed together with a union. This is not due to any fundamental
323 technical (or political ;-) problem: nobody wrote the code to do it yet.
325 USE_LSB_TAG not only requires the least 3 bits of pointers returned by
326 malloc to be 0 but also needs to be able to impose a mult-of-8 alignment
327 on the few static Lisp_Objects used: all the defsubr as well
328 as the two special buffers buffer_defaults and buffer_local_symbols. */
330 /* First, try and define DECL_ALIGN(type,var) which declares a static
331 variable VAR of type TYPE with the added requirement that it be
333 #ifndef NO_DECL_ALIGN
335 /* What compiler directive should we use for non-gcc compilers? -stef */
336 # if defined (__GNUC__)
337 # define DECL_ALIGN(type, var) \
338 type __attribute__ ((__aligned__ (1 << GCTYPEBITS))) var
343 /* Let's USE_LSB_TAG on systems where we know malloc returns mult-of-8. */
344 #if defined GNU_MALLOC || defined DOUG_LEA_MALLOC || defined __GLIBC__ || defined MAC_OSX
345 /* We also need to be able to specify mult-of-8 alignment on static vars. */
346 # if defined DECL_ALIGN
347 /* We currently do not support USE_LSB_TAG with a union Lisp_Object. */
348 # if defined NO_UNION_TYPE
354 /* If we cannot use 8-byte alignment, make DECL_ALIGN a no-op. */
357 # error "USE_LSB_TAG used without defining DECL_ALIGN"
359 # define DECL_ALIGN(type, var) type var
363 /* These macros extract various sorts of values from a Lisp_Object.
364 For example, if tem is a Lisp_Object whose type is Lisp_Cons,
365 XCONS (tem) is the struct Lisp_Cons * pointing to the memory for that cons. */
371 #define TYPEMASK ((((EMACS_INT) 1) << GCTYPEBITS) - 1)
372 #define XTYPE(a) ((enum Lisp_Type) (((EMACS_UINT) (a)) & TYPEMASK))
373 #define XINT(a) (((EMACS_INT) (a)) >> GCTYPEBITS)
374 #define XUINT(a) (((EMACS_UINT) (a)) >> GCTYPEBITS)
375 #define XSET(var, type, ptr) \
376 (eassert (XTYPE (ptr) == 0), /* Check alignment. */ \
377 (var) = ((EMACS_INT) (type)) | ((EMACS_INT) (ptr)))
378 #define make_number(N) (((EMACS_INT) (N)) << GCTYPEBITS)
380 /* XFASTINT and XSETFASTINT are for use when the integer is known to be
381 positive, in which case the implementation can sometimes be faster
382 depending on the tagging scheme. With USE_LSB_TAG, there's no benefit. */
383 #define XFASTINT(a) XINT (a)
384 #define XSETFASTINT(a, b) ((a) = make_number (b))
386 #define XPNTR(a) ((EMACS_INT) ((a) & ~TYPEMASK))
388 #else /* not USE_LSB_TAG */
390 #define VALMASK ((((EMACS_INT) 1) << VALBITS) - 1)
392 /* One need to override this if there must be high bits set in data space
393 (doing the result of the below & ((1 << (GCTYPE + 1)) - 1) would work
394 on all machines, but would penalize machines which don't need it)
396 #define XTYPE(a) ((enum Lisp_Type) (((EMACS_UINT) (a)) >> VALBITS))
398 /* For integers known to be positive, XFASTINT provides fast retrieval
399 and XSETFASTINT provides fast storage. This takes advantage of the
400 fact that Lisp_Int is 0. */
401 #define XFASTINT(a) ((a) + 0)
402 #define XSETFASTINT(a, b) ((a) = (b))
404 /* Extract the value of a Lisp_Object as a signed integer. */
406 #ifndef XINT /* Some machines need to do this differently. */
407 #define XINT(a) ((((EMACS_INT) (a)) << (BITS_PER_EMACS_INT - VALBITS)) \
408 >> (BITS_PER_EMACS_INT - VALBITS))
411 /* Extract the value as an unsigned integer. This is a basis
412 for extracting it as a pointer to a structure in storage. */
415 #define XUINT(a) ((EMACS_UINT) ((a) & VALMASK))
419 #define XSET(var, type, ptr) \
420 ((var) = ((EMACS_INT)(type) << VALBITS) + ((EMACS_INT) (ptr) & VALMASK))
423 /* Convert a C integer into a Lisp_Object integer. */
425 #define make_number(N) \
426 ((((EMACS_INT) (N)) & VALMASK) | ((EMACS_INT) Lisp_Int) << VALBITS)
428 #endif /* not USE_LSB_TAG */
430 #define EQ(x, y) ((x) == (y))
432 #else /* not NO_UNION_TYPE */
434 #define XTYPE(a) ((enum Lisp_Type) (a).u.type)
436 /* For integers known to be positive, XFASTINT provides fast retrieval
437 and XSETFASTINT provides fast storage. This takes advantage of the
438 fact that Lisp_Int is 0. */
439 #define XFASTINT(a) ((a).i + 0)
440 #define XSETFASTINT(a, b) ((a).i = (b))
442 #ifdef EXPLICIT_SIGN_EXTEND
443 /* Make sure we sign-extend; compilers have been known to fail to do so. */
444 #define XINT(a) (((a).s.val << (BITS_PER_EMACS_INT - VALBITS)) \
445 >> (BITS_PER_EMACS_INT - VALBITS))
447 #define XINT(a) ((a).s.val)
448 #endif /* EXPLICIT_SIGN_EXTEND */
450 #define XUINT(a) ((a).u.val)
452 #define XSET(var, vartype, ptr) \
453 (((var).s.val = ((EMACS_INT) (ptr))), ((var).s.type = ((char) (vartype))))
455 #if __GNUC__ >= 2 && defined (__OPTIMIZE__)
456 #define make_number(N) \
457 (__extension__ ({ Lisp_Object _l; _l.s.val = (N); _l.s.type = Lisp_Int; _l; }))
459 extern Lisp_Object make_number
P_ ((EMACS_INT
));
462 #define EQ(x, y) ((x).i == (y).i)
464 #endif /* NO_UNION_TYPE */
468 /* In this representation, data is found in two widely separated segments. */
469 extern size_t pure_size
;
471 (XUINT (a) | (XUINT (a) > pure_size ? DATA_SEG_BITS : PURE_SEG_BITS))
472 #else /* not HAVE_SHM */
474 /* This case is used for the rt-pc.
475 In the diffs I was given, it checked for ptr = 0
476 and did not adjust it in that case.
477 But I don't think that zero should ever be found
478 in a Lisp object whose data type says it points to something. */
479 #define XPNTR(a) (XUINT (a) | DATA_SEG_BITS)
481 /* Some versions of gcc seem to consider the bitfield width when
482 issuing the "cast to pointer from integer of different size"
483 warning, so the cast is here to widen the value back to its natural
485 #define XPNTR(a) ((EMACS_INT) XUINT (a))
487 #endif /* not HAVE_SHM */
488 #endif /* no XPNTR */
490 /* Largest and smallest representable fixnum values. These are the C
493 #define MOST_NEGATIVE_FIXNUM - ((EMACS_INT) 1 << (VALBITS - 1))
494 #define MOST_POSITIVE_FIXNUM (((EMACS_INT) 1 << (VALBITS - 1)) - 1)
495 /* Mask indicating the significant bits of a Lisp_Int.
496 I.e. (x & INTMASK) == XUINT (make_number (x)). */
497 #define INTMASK ((((EMACS_INT) 1) << VALBITS) - 1)
499 /* Value is non-zero if C integer I doesn't fit into a Lisp fixnum. */
501 #define FIXNUM_OVERFLOW_P(i) \
502 ((EMACS_INT)(i) > MOST_POSITIVE_FIXNUM \
503 || (EMACS_INT) (i) < MOST_NEGATIVE_FIXNUM)
505 /* Extract a value or address from a Lisp_Object. */
507 #define XCONS(a) (eassert (CONSP(a)),(struct Lisp_Cons *) XPNTR(a))
508 #define XVECTOR(a) (eassert (VECTORLIKEP(a)),(struct Lisp_Vector *) XPNTR(a))
509 #define XSTRING(a) (eassert (STRINGP(a)),(struct Lisp_String *) XPNTR(a))
510 #define XSYMBOL(a) (eassert (SYMBOLP(a)),(struct Lisp_Symbol *) XPNTR(a))
511 #define XFLOAT(a) (eassert (FLOATP(a)),(struct Lisp_Float *) XPNTR(a))
515 #define XMISC(a) ((union Lisp_Misc *) XPNTR(a))
516 #define XMISCTYPE(a) (XMARKER (a)->type)
517 #define XMARKER(a) (&(XMISC(a)->u_marker))
518 #define XINTFWD(a) (&(XMISC(a)->u_intfwd))
519 #define XBOOLFWD(a) (&(XMISC(a)->u_boolfwd))
520 #define XOBJFWD(a) (&(XMISC(a)->u_objfwd))
521 #define XBUFFER_OBJFWD(a) (&(XMISC(a)->u_buffer_objfwd))
522 #define XBUFFER_LOCAL_VALUE(a) (&(XMISC(a)->u_buffer_local_value))
523 #define XOVERLAY(a) (&(XMISC(a)->u_overlay))
524 #define XKBOARD_OBJFWD(a) (&(XMISC(a)->u_kboard_objfwd))
525 #define XSAVE_VALUE(a) (&(XMISC(a)->u_save_value))
527 /* Pseudovector types. */
529 #define XPROCESS(a) (eassert (PROCESSP(a)),(struct Lisp_Process *) XPNTR(a))
530 #define XWINDOW(a) (eassert (WINDOWP(a)),(struct window *) XPNTR(a))
531 #define XSUBR(a) (eassert (SUBRP(a)),(struct Lisp_Subr *) XPNTR(a))
532 #define XBUFFER(a) (eassert (BUFFERP(a)),(struct buffer *) XPNTR(a))
533 #define XCHAR_TABLE(a) ((struct Lisp_Char_Table *) XPNTR(a))
534 #define XSUB_CHAR_TABLE(a) ((struct Lisp_Sub_Char_Table *) XPNTR(a))
535 #define XBOOL_VECTOR(a) ((struct Lisp_Bool_Vector *) XPNTR(a))
537 /* Construct a Lisp_Object from a value or address. */
539 #define XSETINT(a, b) (a) = make_number (b)
540 #define XSETCONS(a, b) XSET (a, Lisp_Cons, b)
541 #define XSETVECTOR(a, b) XSET (a, Lisp_Vectorlike, b)
542 #define XSETSTRING(a, b) XSET (a, Lisp_String, b)
543 #define XSETSYMBOL(a, b) XSET (a, Lisp_Symbol, b)
544 #define XSETFLOAT(a, b) XSET (a, Lisp_Float, b)
548 #define XSETMISC(a, b) XSET (a, Lisp_Misc, b)
549 #define XSETMARKER(a, b) (XSETMISC (a, b), XMISCTYPE (a) = Lisp_Misc_Marker)
551 /* Pseudovector types. */
553 #define XSETPSEUDOVECTOR(a, b, code) \
554 (XSETVECTOR (a, b), XVECTOR (a)->size |= PSEUDOVECTOR_FLAG | (code))
555 #define XSETWINDOW_CONFIGURATION(a, b) \
556 (XSETPSEUDOVECTOR (a, b, PVEC_WINDOW_CONFIGURATION))
557 #define XSETPROCESS(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_PROCESS))
558 #define XSETWINDOW(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_WINDOW))
559 #define XSETSUBR(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_SUBR))
560 #define XSETCOMPILED(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_COMPILED))
561 #define XSETBUFFER(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_BUFFER))
562 #define XSETCHAR_TABLE(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_CHAR_TABLE))
563 #define XSETBOOL_VECTOR(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_BOOL_VECTOR))
564 #define XSETSUB_CHAR_TABLE(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_SUB_CHAR_TABLE))
566 /* Convenience macros for dealing with Lisp arrays. */
568 #define AREF(ARRAY, IDX) XVECTOR ((ARRAY))->contents[IDX]
569 #define ASET(ARRAY, IDX, VAL) (AREF ((ARRAY), (IDX)) = (VAL))
570 #define ASIZE(ARRAY) XVECTOR ((ARRAY))->size
572 /* Convenience macros for dealing with Lisp strings. */
574 #define SREF(string, index) (XSTRING (string)->data[index] + 0)
575 #define SSET(string, index, new) (XSTRING (string)->data[index] = (new))
576 #define SDATA(string) (XSTRING (string)->data + 0)
577 #define SCHARS(string) (XSTRING (string)->size + 0)
578 #define SBYTES(string) (STRING_BYTES (XSTRING (string)) + 0)
580 #define STRING_SET_CHARS(string, newsize) \
581 (XSTRING (string)->size = (newsize))
583 #define STRING_COPYIN(string, index, new, count) \
584 bcopy (new, XSTRING (string)->data + index, count)
588 #define CHECK_TYPE(ok, Qxxxp, x) \
589 do { if (!(ok)) wrong_type_argument (Qxxxp, (x)); } while (0)
593 /* See the macros in intervals.h. */
595 typedef struct interval
*INTERVAL
;
597 /* Complain if object is not string or buffer type */
598 #define CHECK_STRING_OR_BUFFER(x) \
599 CHECK_TYPE (STRINGP (x) || BUFFERP (x), Qbuffer_or_string_p, x)
602 /* In a cons, the markbit of the car is the gc mark bit */
606 /* Please do not use the names of these elements in code other
607 than the core lisp implementation. Use XCAR and XCDR below. */
608 #ifdef HIDE_LISP_IMPLEMENTATION
613 struct Lisp_Cons
*chain
;
620 struct Lisp_Cons
*chain
;
625 /* Take the car or cdr of something known to be a cons cell. */
626 /* The _AS_LVALUE macros shouldn't be used outside of the minimal set
627 of code that has to know what a cons cell looks like. Other code not
628 part of the basic lisp implementation should assume that the car and cdr
629 fields are not accessible as lvalues. (What if we want to switch to
630 a copying collector someday? Cached cons cell field addresses may be
631 invalidated at arbitrary points.) */
632 #ifdef HIDE_LISP_IMPLEMENTATION
633 #define XCAR_AS_LVALUE(c) (XCONS ((c))->car_)
634 #define XCDR_AS_LVALUE(c) (XCONS ((c))->u.cdr_)
636 #define XCAR_AS_LVALUE(c) (XCONS ((c))->car)
637 #define XCDR_AS_LVALUE(c) (XCONS ((c))->u.cdr)
640 /* Use these from normal code. */
641 #define XCAR(c) LISP_MAKE_RVALUE(XCAR_AS_LVALUE(c))
642 #define XCDR(c) LISP_MAKE_RVALUE(XCDR_AS_LVALUE(c))
644 /* Use these to set the fields of a cons cell.
646 Note that both arguments may refer to the same object, so 'n'
647 should not be read after 'c' is first modified. Also, neither
648 argument should be evaluated more than once; side effects are
649 especially common in the second argument. */
650 #define XSETCAR(c,n) (XCAR_AS_LVALUE(c) = (n))
651 #define XSETCDR(c,n) (XCDR_AS_LVALUE(c) = (n))
653 /* For performance: Fast storage of positive integers into the
654 fields of a cons cell. See above caveats. */
655 #define XSETCARFASTINT(c,n) XSETFASTINT(XCAR_AS_LVALUE(c),(n))
656 #define XSETCDRFASTINT(c,n) XSETFASTINT(XCDR_AS_LVALUE(c),(n))
658 /* Take the car or cdr of something whose type is not known. */
660 (CONSP ((c)) ? XCAR ((c)) \
661 : NILP ((c)) ? Qnil \
662 : wrong_type_argument (Qlistp, (c)))
665 (CONSP ((c)) ? XCDR ((c)) \
666 : NILP ((c)) ? Qnil \
667 : wrong_type_argument (Qlistp, (c)))
669 /* Take the car or cdr of something whose type is not known. */
670 #define CAR_SAFE(c) \
671 (CONSP ((c)) ? XCAR ((c)) : Qnil)
673 #define CDR_SAFE(c) \
674 (CONSP ((c)) ? XCDR ((c)) : Qnil)
676 /* Nonzero if STR is a multibyte string. */
677 #define STRING_MULTIBYTE(STR) \
678 (XSTRING (STR)->size_byte >= 0)
680 /* Return the length in bytes of STR. */
682 #ifdef GC_CHECK_STRING_BYTES
685 extern int string_bytes
P_ ((struct Lisp_String
*));
686 #define STRING_BYTES(S) string_bytes ((S))
688 #else /* not GC_CHECK_STRING_BYTES */
690 #define STRING_BYTES(STR) \
691 ((STR)->size_byte < 0 ? (STR)->size : (STR)->size_byte)
693 #endif /* not GC_CHECK_STRING_BYTES */
695 /* Mark STR as a unibyte string. */
696 #define STRING_SET_UNIBYTE(STR) \
697 do { if (EQ (STR, empty_multibyte_string)) \
698 (STR) = empty_unibyte_string; \
699 else XSTRING (STR)->size_byte = -1; } while (0)
701 /* Get text properties. */
702 #define STRING_INTERVALS(STR) (XSTRING (STR)->intervals + 0)
704 /* Set text properties. */
705 #define STRING_SET_INTERVALS(STR, INT) (XSTRING (STR)->intervals = (INT))
707 /* In a string or vector, the sign bit of the `size' is the gc mark bit */
713 INTERVAL intervals
; /* text properties in this string */
718 #define OFFSETOF(type,field) offsetof(type,field)
720 #define OFFSETOF(type,field) \
721 ((int)((char*)&((type*)0)->field - (char*)0))
727 struct Lisp_Vector
*next
;
728 Lisp_Object contents
[1];
731 /* If a struct is made to look like a vector, this macro returns the length
732 of the shortest vector that would hold that struct. */
733 #define VECSIZE(type) ((sizeof (type) \
734 - OFFSETOF (struct Lisp_Vector, contents[0]) \
735 + sizeof(Lisp_Object) - 1) /* round up */ \
736 / sizeof (Lisp_Object))
738 /* Like VECSIZE, but used when the pseudo-vector has non-Lisp_Object fields
739 at the end and we need to compute the number of Lisp_Object fields (the
740 ones that the GC needs to trace). */
741 #define PSEUDOVECSIZE(type, nonlispfield) \
742 ((OFFSETOF(type, nonlispfield) - OFFSETOF(struct Lisp_Vector, contents[0])) \
743 / sizeof (Lisp_Object))
745 /* A char-table is a kind of vectorlike, with contents are like a
746 vector but with a few other slots. For some purposes, it makes
747 sense to handle a char-table with type struct Lisp_Vector. An
748 element of a char table can be any Lisp objects, but if it is a sub
749 char-table, we treat it a table that contains information of a
750 specific range of characters. A sub char-table has the same
751 structure as a vector. A sub char table appears only in an element
752 of a char-table, and there's no way to access it directly from
753 Emacs Lisp program. */
755 /* This is the number of slots that every char table must have. This
756 counts the ordinary slots and the top, defalt, parent, and purpose
758 #define CHAR_TABLE_STANDARD_SLOTS (VECSIZE (struct Lisp_Char_Table) - 1)
760 /* Return the number of "extra" slots in the char table CT. */
762 #define CHAR_TABLE_EXTRA_SLOTS(CT) \
763 (((CT)->size & PSEUDOVECTOR_SIZE_MASK) - CHAR_TABLE_STANDARD_SLOTS)
765 /* Almost equivalent to Faref (CT, IDX) with optimization for ASCII
766 characters. Do not check validity of CT. */
767 #define CHAR_TABLE_REF(CT, IDX) \
768 ((ASCII_CHAR_P (IDX) \
769 && SUB_CHAR_TABLE_P (XCHAR_TABLE (CT)->ascii) \
770 && !NILP (XSUB_CHAR_TABLE (XCHAR_TABLE (CT)->ascii)->contents[IDX])) \
771 ? XSUB_CHAR_TABLE (XCHAR_TABLE (CT)->ascii)->contents[IDX] \
772 : char_table_ref ((CT), (IDX)))
774 /* Almost equivalent to Faref (CT, IDX). However, if the result is
775 not a character, return IDX.
777 For these characters, do not check validity of CT
778 and do not follow parent. */
779 #define CHAR_TABLE_TRANSLATE(CT, IDX) \
780 char_table_translate (CT, IDX)
782 /* Equivalent to Faset (CT, IDX, VAL) with optimization for ASCII and
783 8-bit European characters. Do not check validity of CT. */
784 #define CHAR_TABLE_SET(CT, IDX, VAL) \
785 (((IDX) >= 0 && ASCII_CHAR_P (IDX) \
786 && SUB_CHAR_TABLE_P (XCHAR_TABLE (CT)->ascii)) \
787 ? XSUB_CHAR_TABLE (XCHAR_TABLE (CT)->ascii)->contents[IDX] = VAL \
788 : char_table_set (CT, IDX, VAL))
790 #define CHARTAB_SIZE_BITS_0 6
791 #define CHARTAB_SIZE_BITS_1 4
792 #define CHARTAB_SIZE_BITS_2 5
793 #define CHARTAB_SIZE_BITS_3 7
795 extern const int chartab_size
[4];
797 struct Lisp_Sub_Char_Table
;
799 struct Lisp_Char_Table
801 /* This is the vector's size field, which also holds the
802 pseudovector type information. It holds the size, too. The size
803 counts the defalt, parent, purpose, ascii, contents, and extras
806 struct Lisp_Vector
*next
;
808 /* This holds a default value,
809 which is used whenever the value for a specific character is nil. */
812 /* This points to another char table, which we inherit from when the
813 value for a specific character is nil. The `defalt' slot takes
814 precedence over this. */
817 /* This is a symbol which says what kind of use this char-table is
821 /* The bottom sub char-table for characters of the range 0..127. It
822 is nil if none of ASCII character has a specific value. */
825 Lisp_Object contents
[(1 << CHARTAB_SIZE_BITS_0
)];
827 /* These hold additional data. It is a vector. */
828 Lisp_Object extras
[1];
831 struct Lisp_Sub_Char_Table
833 /* This is the vector's size field, which also holds the
834 pseudovector type information. It holds the size, too. */
836 struct Lisp_Vector
*next
;
838 /* Depth of this sub char-table. It should be 1, 2, or 3. A sub
839 char-table of depth 1 contains 16 elments, and each element
840 covers 4096 (128*32) characters. A sub char-table of depth 2
841 contains 32 elements, and each element covers 128 characters. A
842 sub char-table of depth 3 contains 128 elements, and each element
843 is for one character. */
846 /* Minimum character covered by the sub char-table. */
847 Lisp_Object min_char
;
849 Lisp_Object contents
[1];
852 /* A boolvector is a kind of vectorlike, with contents are like a string. */
853 struct Lisp_Bool_Vector
855 /* This is the vector's size field. It doesn't have the real size,
856 just the subtype information. */
857 EMACS_INT vector_size
;
858 struct Lisp_Vector
*next
;
859 /* This is the size in bits. */
861 /* This contains the actual bits, packed into bytes. */
862 unsigned char data
[1];
865 /* This structure describes a built-in function.
866 It is generated by the DEFUN macro only.
867 defsubr makes it into a Lisp object.
869 This type is treated in most respects as a pseudovector,
870 but since we never dynamically allocate or free them,
871 we don't need a next-vector field. */
876 Lisp_Object (*function
) ();
877 short min_args
, max_args
;
884 /***********************************************************************
886 ***********************************************************************/
888 /* Interned state of a symbol. */
892 SYMBOL_UNINTERNED
= 0,
894 SYMBOL_INTERNED_IN_INITIAL_OBARRAY
= 2
897 /* In a symbol, the markbit of the plist is used as the gc mark bit */
901 unsigned gcmarkbit
: 1;
903 /* Non-zero means symbol serves as a variable alias. The symbol
904 holding the real value is found in the value slot. */
905 unsigned indirect_variable
: 1;
907 /* Non-zero means symbol is constant, i.e. changing its value
908 should signal an error. */
909 unsigned constant
: 1;
911 /* Interned state of the symbol. This is an enumerator from
912 enum symbol_interned. */
913 unsigned interned
: 2;
915 /* The symbol's name, as a Lisp string.
917 The name "xname" is used to intentionally break code referring to
918 the old field "name" of type pointer to struct Lisp_String. */
921 /* Value of the symbol or Qunbound if unbound. If this symbol is a
922 defvaralias, `value' contains the symbol for which it is an
923 alias. Use the SYMBOL_VALUE and SET_SYMBOL_VALUE macros to get
924 and set a symbol's value, to take defvaralias into account. */
927 /* Function value of the symbol or Qunbound if not fboundp. */
928 Lisp_Object function
;
930 /* The symbol's property list. */
933 /* Next symbol in obarray bucket, if the symbol is interned. */
934 struct Lisp_Symbol
*next
;
937 /* Value is name of symbol. */
939 #define SYMBOL_NAME(sym) \
940 LISP_MAKE_RVALUE (XSYMBOL (sym)->xname)
942 /* Value is non-zero if SYM is an interned symbol. */
944 #define SYMBOL_INTERNED_P(sym) \
945 (XSYMBOL (sym)->interned != SYMBOL_UNINTERNED)
947 /* Value is non-zero if SYM is interned in initial_obarray. */
949 #define SYMBOL_INTERNED_IN_INITIAL_OBARRAY_P(sym) \
950 (XSYMBOL (sym)->interned == SYMBOL_INTERNED_IN_INITIAL_OBARRAY)
952 /* Value is non-zero if symbol is considered a constant, i.e. its
953 value cannot be changed (there is an exception for keyword symbols,
954 whose value can be set to the keyword symbol itself). */
956 #define SYMBOL_CONSTANT_P(sym) XSYMBOL (sym)->constant
958 /* Value is the value of SYM, with defvaralias taken into
961 #define SYMBOL_VALUE(sym) \
962 (XSYMBOL (sym)->indirect_variable \
963 ? XSYMBOL (indirect_variable (sym))->value \
964 : XSYMBOL (sym)->value)
966 /* Set SYM's value to VAL, taking defvaralias into account. */
968 #define SET_SYMBOL_VALUE(sym, val) \
970 if (XSYMBOL (sym)->indirect_variable) \
971 XSYMBOL (indirect_variable ((sym)))->value = (val); \
973 XSYMBOL (sym)->value = (val); \
977 /***********************************************************************
979 ***********************************************************************/
981 /* The structure of a Lisp hash table. */
983 struct Lisp_Hash_Table
985 /* Vector fields. The hash table code doesn't refer to these. */
987 struct Lisp_Vector
*vec_next
;
989 /* Function used to compare keys. */
992 /* Nil if table is non-weak. Otherwise a symbol describing the
993 weakness of the table. */
996 /* When the table is resized, and this is an integer, compute the
997 new size by adding this to the old size. If a float, compute the
998 new size by multiplying the old size with this factor. */
999 Lisp_Object rehash_size
;
1001 /* Resize hash table when number of entries/ table size is >= this
1003 Lisp_Object rehash_threshold
;
1005 /* Number of key/value entries in the table. */
1008 /* Vector of keys and values. The key of item I is found at index
1009 2 * I, the value is found at index 2 * I + 1. */
1010 Lisp_Object key_and_value
;
1012 /* Vector of hash codes.. If hash[I] is nil, this means that that
1013 entry I is unused. */
1016 /* Vector used to chain entries. If entry I is free, next[I] is the
1017 entry number of the next free item. If entry I is non-free,
1018 next[I] is the index of the next entry in the collision chain. */
1021 /* Index of first free entry in free list. */
1022 Lisp_Object next_free
;
1024 /* Bucket vector. A non-nil entry is the index of the first item in
1025 a collision chain. This vector's size can be larger than the
1026 hash table size to reduce collisions. */
1029 /* User-supplied hash function, or nil. */
1030 Lisp_Object user_hash_function
;
1032 /* User-supplied key comparison function, or nil. */
1033 Lisp_Object user_cmp_function
;
1035 /* Next weak hash table if this is a weak hash table. The head
1036 of the list is in weak_hash_tables. */
1037 struct Lisp_Hash_Table
*next_weak
;
1039 /* C function to compare two keys. */
1040 int (* cmpfn
) P_ ((struct Lisp_Hash_Table
*, Lisp_Object
,
1041 unsigned, Lisp_Object
, unsigned));
1043 /* C function to compute hash code. */
1044 unsigned (* hashfn
) P_ ((struct Lisp_Hash_Table
*, Lisp_Object
));
1048 #define XHASH_TABLE(OBJ) \
1049 ((struct Lisp_Hash_Table *) XPNTR (OBJ))
1051 #define XSET_HASH_TABLE(VAR, PTR) \
1052 (XSETPSEUDOVECTOR (VAR, PTR, PVEC_HASH_TABLE))
1054 #define HASH_TABLE_P(OBJ) PSEUDOVECTORP (OBJ, PVEC_HASH_TABLE)
1056 #define CHECK_HASH_TABLE(x) \
1057 CHECK_TYPE (HASH_TABLE_P (x), Qhash_table_p, x)
1059 /* Value is the key part of entry IDX in hash table H. */
1061 #define HASH_KEY(H, IDX) AREF ((H)->key_and_value, 2 * (IDX))
1063 /* Value is the value part of entry IDX in hash table H. */
1065 #define HASH_VALUE(H, IDX) AREF ((H)->key_and_value, 2 * (IDX) + 1)
1067 /* Value is the index of the next entry following the one at IDX
1070 #define HASH_NEXT(H, IDX) AREF ((H)->next, (IDX))
1072 /* Value is the hash code computed for entry IDX in hash table H. */
1074 #define HASH_HASH(H, IDX) AREF ((H)->hash, (IDX))
1076 /* Value is the index of the element in hash table H that is the
1077 start of the collision list at index IDX in the index vector of H. */
1079 #define HASH_INDEX(H, IDX) AREF ((H)->index, (IDX))
1081 /* Value is the size of hash table H. */
1083 #define HASH_TABLE_SIZE(H) XVECTOR ((H)->next)->size
1085 /* Default size for hash tables if not specified. */
1087 #define DEFAULT_HASH_SIZE 65
1089 /* Default threshold specifying when to resize a hash table. The
1090 value gives the ratio of current entries in the hash table and the
1091 size of the hash table. */
1093 #define DEFAULT_REHASH_THRESHOLD 0.8
1095 /* Default factor by which to increase the size of a hash table. */
1097 #define DEFAULT_REHASH_SIZE 1.5
1100 /* These structures are used for various misc types. */
1104 int type
: 16; /* = Lisp_Misc_Marker */
1105 unsigned gcmarkbit
: 1;
1107 /* 1 means normal insertion at the marker's position
1108 leaves the marker after the inserted text. */
1109 unsigned int insertion_type
: 1;
1110 /* This is the buffer that the marker points into,
1111 or 0 if it points nowhere. */
1112 struct buffer
*buffer
;
1114 /* The remaining fields are meaningless in a marker that
1115 does not point anywhere. */
1117 /* For markers that point somewhere,
1118 this is used to chain of all the markers in a given buffer. */
1119 struct Lisp_Marker
*next
;
1120 /* This is the char position where the marker points. */
1122 /* This is the byte position. */
1126 /* Forwarding pointer to an int variable.
1127 This is allowed only in the value cell of a symbol,
1128 and it means that the symbol's value really lives in the
1129 specified int variable. */
1132 int type
: 16; /* = Lisp_Misc_Intfwd */
1133 unsigned gcmarkbit
: 1;
1138 /* Boolean forwarding pointer to an int variable.
1139 This is like Lisp_Intfwd except that the ostensible
1140 "value" of the symbol is t if the int variable is nonzero,
1141 nil if it is zero. */
1144 int type
: 16; /* = Lisp_Misc_Boolfwd */
1145 unsigned gcmarkbit
: 1;
1150 /* Forwarding pointer to a Lisp_Object variable.
1151 This is allowed only in the value cell of a symbol,
1152 and it means that the symbol's value really lives in the
1153 specified variable. */
1156 int type
: 16; /* = Lisp_Misc_Objfwd */
1157 unsigned gcmarkbit
: 1;
1159 Lisp_Object
*objvar
;
1162 /* Like Lisp_Objfwd except that value lives in a slot in the
1163 current buffer. Value is byte index of slot within buffer. */
1164 struct Lisp_Buffer_Objfwd
1166 int type
: 16; /* = Lisp_Misc_Buffer_Objfwd */
1167 unsigned gcmarkbit
: 1;
1172 /* struct Lisp_Buffer_Local_Value is used in a symbol value cell when
1173 the symbol has buffer-local or frame-local bindings. (Exception:
1174 some buffer-local variables are built-in, with their values stored
1175 in the buffer structure itself. They are handled differently,
1176 using struct Lisp_Buffer_Objfwd.)
1178 The `realvalue' slot holds the variable's current value, or a
1179 forwarding pointer to where that value is kept. This value is the
1180 one that corresponds to the loaded binding. To read or set the
1181 variable, you must first make sure the right binding is loaded;
1182 then you can access the value in (or through) `realvalue'.
1184 `buffer' and `frame' are the buffer and frame for which the loaded
1185 binding was found. If those have changed, to make sure the right
1186 binding is loaded it is necessary to find which binding goes with
1187 the current buffer and selected frame, then load it. To load it,
1188 first unload the previous binding, then copy the value of the new
1189 binding into `realvalue' (or through it). Also update
1190 LOADED-BINDING to point to the newly loaded binding.
1192 Lisp_Misc_Buffer_Local_Value and Lisp_Misc_Some_Buffer_Local_Value
1193 both use this kind of structure. With the former, merely setting
1194 the variable creates a local binding for the current buffer. With
1195 the latter, setting the variable does not do that; only
1196 make-local-variable does that. */
1198 struct Lisp_Buffer_Local_Value
1200 int type
: 16; /* = Lisp_Misc_Buffer_Local_Value
1201 or Lisp_Misc_Some_Buffer_Local_Value */
1202 unsigned gcmarkbit
: 1;
1205 /* 1 means this variable is allowed to have frame-local bindings,
1206 so check for them when looking for the proper binding. */
1207 unsigned int check_frame
: 1;
1208 /* 1 means that the binding now loaded was found
1209 as a local binding for the buffer in the `buffer' slot. */
1210 unsigned int found_for_buffer
: 1;
1211 /* 1 means that the binding now loaded was found
1212 as a local binding for the frame in the `frame' slot. */
1213 unsigned int found_for_frame
: 1;
1214 Lisp_Object realvalue
;
1215 /* The buffer and frame for which the loaded binding was found. */
1216 Lisp_Object buffer
, frame
;
1218 /* A cons cell, (LOADED-BINDING . DEFAULT-VALUE).
1220 LOADED-BINDING is the binding now loaded. It is a cons cell
1221 whose cdr is the binding's value. The cons cell may be an
1222 element of a buffer's local-variable alist, or an element of a
1223 frame's parameter alist, or it may be this cons cell.
1225 DEFAULT-VALUE is the variable's default value, seen when the
1226 current buffer and selected frame do not have their own
1227 bindings for the variable. When the default binding is loaded,
1228 LOADED-BINDING is actually this very cons cell; thus, its car
1229 points to itself. */
1233 /* START and END are markers in the overlay's buffer, and
1234 PLIST is the overlay's property list. */
1237 int type
: 16; /* = Lisp_Misc_Overlay */
1238 unsigned gcmarkbit
: 1;
1240 struct Lisp_Overlay
*next
;
1241 Lisp_Object start
, end
, plist
;
1244 /* Like Lisp_Objfwd except that value lives in a slot in the
1246 struct Lisp_Kboard_Objfwd
1248 int type
: 16; /* = Lisp_Misc_Kboard_Objfwd */
1249 unsigned gcmarkbit
: 1;
1254 /* Hold a C pointer for later use.
1255 This type of object is used in the arg to record_unwind_protect. */
1256 struct Lisp_Save_Value
1258 int type
: 16; /* = Lisp_Misc_Save_Value */
1259 unsigned gcmarkbit
: 1;
1261 /* If DOGC is set, POINTER is the address of a memory
1262 area containing INTEGER potential Lisp_Objects. */
1263 unsigned int dogc
: 1;
1269 /* A miscellaneous object, when it's on the free list. */
1272 int type
: 16; /* = Lisp_Misc_Free */
1273 unsigned gcmarkbit
: 1;
1275 union Lisp_Misc
*chain
;
1277 /* Try to make sure that sizeof(Lisp_Misc) preserves TYPEBITS-alignment.
1278 This assumes that Lisp_Marker is the largest of the alternatives and
1279 that Lisp_Intfwd has the same size as "Lisp_Free w/o padding". */
1280 char padding
[((((sizeof (struct Lisp_Marker
) - 1) >> GCTYPEBITS
) + 1)
1281 << GCTYPEBITS
) - sizeof (struct Lisp_Intfwd
)];
1285 /* To get the type field of a union Lisp_Misc, use XMISCTYPE.
1286 It uses one of these struct subtypes to get the type field. */
1290 struct Lisp_Free u_free
;
1291 struct Lisp_Marker u_marker
;
1292 struct Lisp_Intfwd u_intfwd
;
1293 struct Lisp_Boolfwd u_boolfwd
;
1294 struct Lisp_Objfwd u_objfwd
;
1295 struct Lisp_Buffer_Objfwd u_buffer_objfwd
;
1296 struct Lisp_Buffer_Local_Value u_buffer_local_value
;
1297 struct Lisp_Overlay u_overlay
;
1298 struct Lisp_Kboard_Objfwd u_kboard_objfwd
;
1299 struct Lisp_Save_Value u_save_value
;
1302 /* Lisp floating point type */
1307 #ifdef HIDE_LISP_IMPLEMENTATION
1312 struct Lisp_Float
*chain
;
1316 #ifdef HIDE_LISP_IMPLEMENTATION
1317 #define XFLOAT_DATA(f) (XFLOAT (f)->u.data_)
1319 #define XFLOAT_DATA(f) (XFLOAT (f)->u.data)
1322 /* A character, declared with the following typedef, is a member
1323 of some character set associated with the current buffer. */
1324 #ifndef _UCHAR_T /* Protect against something in ctab.h on AIX. */
1326 typedef unsigned char UCHAR
;
1329 /* Meanings of slots in a Lisp_Compiled: */
1331 #define COMPILED_ARGLIST 0
1332 #define COMPILED_BYTECODE 1
1333 #define COMPILED_CONSTANTS 2
1334 #define COMPILED_STACK_DEPTH 3
1335 #define COMPILED_DOC_STRING 4
1336 #define COMPILED_INTERACTIVE 5
1338 /* Flag bits in a character. These also get used in termhooks.h.
1339 Richard Stallman <rms@gnu.ai.mit.edu> thinks that MULE
1340 (MUlti-Lingual Emacs) might need 22 bits for the character value
1341 itself, so we probably shouldn't use any bits lower than 0x0400000. */
1342 #define CHAR_ALT (0x0400000)
1343 #define CHAR_SUPER (0x0800000)
1344 #define CHAR_HYPER (0x1000000)
1345 #define CHAR_SHIFT (0x2000000)
1346 #define CHAR_CTL (0x4000000)
1347 #define CHAR_META (0x8000000)
1349 #define CHAR_MODIFIER_MASK \
1350 (CHAR_ALT | CHAR_SUPER | CHAR_HYPER | CHAR_SHIFT | CHAR_CTL | CHAR_META)
1353 /* Actually, the current Emacs uses 22 bits for the character value
1355 #define CHARACTERBITS 22
1357 /* The maximum byte size consumed by push_key_description.
1358 All callers should assure that at least this size of memory is
1359 allocated at the place pointed by the second argument.
1361 Thers are 6 modifiers, each consumes 2 chars.
1362 The octal form of a character code consumes
1363 (1 + CHARACTERBITS / 3 + 1) chars (including backslash at the head).
1364 We need one more byte for string terminator `\0'. */
1365 #define KEY_DESCRIPTION_SIZE ((2 * 6) + 1 + (CHARACTERBITS / 3) + 1 + 1)
1367 #ifdef USE_X_TOOLKIT
1368 #ifdef NO_UNION_TYPE
1369 /* Use this for turning a (void *) into a Lisp_Object, as when the
1370 Lisp_Object is passed into a toolkit callback function. */
1371 #define VOID_TO_LISP(larg,varg) \
1372 do { ((larg) = ((Lisp_Object) (varg))); } while (0)
1373 #define CVOID_TO_LISP VOID_TO_LISP
1375 /* Use this for turning a Lisp_Object into a (void *), as when the
1376 Lisp_Object is passed into a toolkit callback function. */
1377 #define LISP_TO_VOID(larg) ((void *) (larg))
1378 #define LISP_TO_CVOID(varg) ((const void *) (larg))
1380 #else /* not NO_UNION_TYPE */
1381 /* Use this for turning a (void *) into a Lisp_Object, as when the
1382 Lisp_Object is passed into a toolkit callback function. */
1383 #define VOID_TO_LISP(larg,varg) \
1384 do { ((larg).v = (void *) (varg)); } while (0)
1385 #define CVOID_TO_LISP(larg,varg) \
1386 do { ((larg).cv = (const void *) (varg)); } while (0)
1388 /* Use this for turning a Lisp_Object into a (void *), as when the
1389 Lisp_Object is passed into a toolkit callback function. */
1390 #define LISP_TO_VOID(larg) ((larg).v)
1391 #define LISP_TO_CVOID(larg) ((larg).cv)
1392 #endif /* not NO_UNION_TYPE */
1393 #endif /* USE_X_TOOLKIT */
1396 /* The glyph datatype, used to represent characters on the display. */
1398 /* Glyph code to use as an index to the glyph table. If it is out of
1399 range for the glyph table, or the corresonding element in the table
1400 is nil, the low 8 bits are the single byte character code, and the
1401 bits above are the numeric face ID. If FID is the face ID of a
1402 glyph on a frame F, then F->display.x->faces[FID] contains the
1403 description of that face. This is an int instead of a short, so we
1404 can support a good bunch of face ID's (2^(31 - 8)); given that we
1405 have no mechanism for tossing unused frame face ID's yet, we'll
1406 probably run out of 255 pretty quickly.
1407 This is always -1 for a multibyte character. */
1410 /* Mask bits for face. */
1411 #define GLYPH_MASK_FACE 0x7FC00000
1412 /* Mask bits for character code. */
1413 #define GLYPH_MASK_CHAR 0x003FFFFF /* The lowest 22 bits */
1415 /* The FAST macros assume that we already know we're in an X window. */
1417 /* Set a character code and a face ID in a glyph G. */
1418 #define FAST_MAKE_GLYPH(char, face) ((char) | ((face) << CHARACTERBITS))
1420 /* Return a glyph's character code. */
1421 #define FAST_GLYPH_CHAR(glyph) ((glyph) & GLYPH_MASK_CHAR)
1423 /* Return a glyph's face ID. */
1424 #define FAST_GLYPH_FACE(glyph) (((glyph) & GLYPH_MASK_FACE) >> CHARACTERBITS)
1426 /* Slower versions that test the frame type first. */
1427 #define MAKE_GLYPH(f, char, face) (FAST_MAKE_GLYPH (char, face))
1428 #define GLYPH_CHAR(f, g) (FAST_GLYPH_CHAR (g))
1429 #define GLYPH_FACE(f, g) (FAST_GLYPH_FACE (g))
1431 /* Return 1 if GLYPH contains valid character code. */
1432 #define GLYPH_CHAR_VALID_P(glyph) CHAR_VALID_P (FAST_GLYPH_CHAR (glyph), 1)
1434 /* The ID of the mode line highlighting face. */
1435 #define GLYPH_MODE_LINE_FACE 1
1437 /* Data type checking */
1439 #define NILP(x) EQ (x, Qnil)
1441 #define NUMBERP(x) (INTEGERP (x) || FLOATP (x))
1442 #define NATNUMP(x) (INTEGERP (x) && XINT (x) >= 0)
1444 #define INTEGERP(x) (XTYPE ((x)) == Lisp_Int)
1445 #define SYMBOLP(x) (XTYPE ((x)) == Lisp_Symbol)
1446 #define MISCP(x) (XTYPE ((x)) == Lisp_Misc)
1447 #define VECTORLIKEP(x) (XTYPE ((x)) == Lisp_Vectorlike)
1448 #define STRINGP(x) (XTYPE ((x)) == Lisp_String)
1449 #define CONSP(x) (XTYPE ((x)) == Lisp_Cons)
1451 #define FLOATP(x) (XTYPE ((x)) == Lisp_Float)
1452 #define VECTORP(x) (VECTORLIKEP (x) && !(XVECTOR (x)->size & PSEUDOVECTOR_FLAG))
1453 #define OVERLAYP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Overlay)
1454 #define MARKERP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Marker)
1455 #define INTFWDP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Intfwd)
1456 #define BOOLFWDP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Boolfwd)
1457 #define OBJFWDP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Objfwd)
1458 #define BUFFER_OBJFWDP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Buffer_Objfwd)
1459 #define BUFFER_LOCAL_VALUEP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Buffer_Local_Value)
1460 #define SOME_BUFFER_LOCAL_VALUEP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Some_Buffer_Local_Value)
1461 #define KBOARD_OBJFWDP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Kboard_Objfwd)
1464 /* True if object X is a pseudovector whose code is CODE. */
1465 #define PSEUDOVECTORP(x, code) \
1467 && (((XVECTOR (x)->size & (PSEUDOVECTOR_FLAG | (code)))) \
1468 == (PSEUDOVECTOR_FLAG | (code))))
1470 /* Test for specific pseudovector types. */
1471 #define WINDOW_CONFIGURATIONP(x) PSEUDOVECTORP (x, PVEC_WINDOW_CONFIGURATION)
1472 #define PROCESSP(x) PSEUDOVECTORP (x, PVEC_PROCESS)
1473 #define WINDOWP(x) PSEUDOVECTORP (x, PVEC_WINDOW)
1474 #define SUBRP(x) PSEUDOVECTORP (x, PVEC_SUBR)
1475 #define COMPILEDP(x) PSEUDOVECTORP (x, PVEC_COMPILED)
1476 #define BUFFERP(x) PSEUDOVECTORP (x, PVEC_BUFFER)
1477 #define CHAR_TABLE_P(x) PSEUDOVECTORP (x, PVEC_CHAR_TABLE)
1478 #define SUB_CHAR_TABLE_P(x) PSEUDOVECTORP (x, PVEC_SUB_CHAR_TABLE)
1479 #define BOOL_VECTOR_P(x) PSEUDOVECTORP (x, PVEC_BOOL_VECTOR)
1480 #define FRAMEP(x) PSEUDOVECTORP (x, PVEC_FRAME)
1482 /* Test for image (image . spec) */
1483 #define IMAGEP(x) (CONSP (x) && EQ (XCAR (x), Qimage))
1488 (VECTORP (x) || STRINGP (x) || CHAR_TABLE_P (x) || BOOL_VECTOR_P (x))
1490 #define CHECK_LIST(x) \
1491 CHECK_TYPE (CONSP (x) || NILP (x), Qlistp, x)
1493 #define CHECK_LIST_CONS(x, y) \
1494 CHECK_TYPE (CONSP (x), Qlistp, y)
1496 #define CHECK_LIST_END(x, y) \
1497 CHECK_TYPE (NILP (x), Qlistp, y)
1499 #define CHECK_STRING(x) \
1500 CHECK_TYPE (STRINGP (x), Qstringp, x)
1502 #define CHECK_STRING_CAR(x) \
1503 CHECK_TYPE (STRINGP (XCAR (x)), Qstringp, XCAR (x))
1505 #define CHECK_CONS(x) \
1506 CHECK_TYPE (CONSP (x), Qconsp, x)
1508 #define CHECK_SYMBOL(x) \
1509 CHECK_TYPE (SYMBOLP (x), Qsymbolp, x)
1511 #define CHECK_CHAR_TABLE(x) \
1512 CHECK_TYPE (CHAR_TABLE_P (x), Qchar_table_p, x)
1514 #define CHECK_VECTOR(x) \
1515 CHECK_TYPE (VECTORP (x), Qvectorp, x)
1517 #define CHECK_VECTOR_OR_STRING(x) \
1518 CHECK_TYPE (VECTORP (x) || STRINGP (x), Qarrayp, x)
1520 #define CHECK_ARRAY(x, Qxxxp) \
1521 CHECK_TYPE (ARRAYP (x), Qxxxp, x)
1523 #define CHECK_VECTOR_OR_CHAR_TABLE(x) \
1524 CHECK_TYPE (VECTORP (x) || CHAR_TABLE_P (x), Qvector_or_char_table_p, x)
1526 #define CHECK_BUFFER(x) \
1527 CHECK_TYPE (BUFFERP (x), Qbufferp, x)
1529 #define CHECK_WINDOW(x) \
1530 CHECK_TYPE (WINDOWP (x), Qwindowp, x)
1532 #define CHECK_WINDOW_CONFIGURATION(x) \
1533 CHECK_TYPE (WINDOW_CONFIGURATIONP (x), Qwindow_configuration_p, x)
1535 /* This macro rejects windows on the interior of the window tree as
1536 "dead", which is what we want; this is an argument-checking macro, and
1537 the user should never get access to interior windows.
1539 A window of any sort, leaf or interior, is dead if the buffer,
1540 vchild, and hchild members are all nil. */
1542 #define CHECK_LIVE_WINDOW(x) \
1543 CHECK_TYPE (WINDOWP (x) && !NILP (XWINDOW (x)->buffer), Qwindow_live_p, x)
1545 #define CHECK_PROCESS(x) \
1546 CHECK_TYPE (PROCESSP (x), Qprocessp, x)
1548 #define CHECK_SUBR(x) \
1549 CHECK_TYPE (SUBRP (x), Qsubrp, x)
1551 #define CHECK_NUMBER(x) \
1552 CHECK_TYPE (INTEGERP (x), Qintegerp, x)
1554 #define CHECK_NATNUM(x) \
1555 CHECK_TYPE (NATNUMP (x), Qwholenump, x)
1557 #define CHECK_MARKER(x) \
1558 CHECK_TYPE (MARKERP (x), Qmarkerp, x)
1560 #define CHECK_NUMBER_COERCE_MARKER(x) \
1561 do { if (MARKERP ((x))) XSETFASTINT (x, marker_position (x)); \
1562 else CHECK_TYPE (INTEGERP (x), Qinteger_or_marker_p, x); } while (0)
1564 #define XFLOATINT(n) extract_float((n))
1566 #define CHECK_FLOAT(x) \
1567 CHECK_TYPE (FLOATP (x), Qfloatp, x)
1569 #define CHECK_NUMBER_OR_FLOAT(x) \
1570 CHECK_TYPE (FLOATP (x) || INTEGERP (x), Qnumberp, x)
1572 #define CHECK_NUMBER_OR_FLOAT_COERCE_MARKER(x) \
1573 do { if (MARKERP (x)) XSETFASTINT (x, marker_position (x)); \
1574 else CHECK_TYPE (INTEGERP (x) || FLOATP (x), Qnumber_or_marker_p, x); } while (0)
1576 #define CHECK_OVERLAY(x) \
1577 CHECK_TYPE (OVERLAYP (x), Qoverlayp, x)
1579 /* Since we can't assign directly to the CAR or CDR fields of a cons
1580 cell, use these when checking that those fields contain numbers. */
1581 #define CHECK_NUMBER_CAR(x) \
1583 Lisp_Object tmp = XCAR (x); \
1584 CHECK_NUMBER (tmp); \
1585 XSETCAR ((x), tmp); \
1588 #define CHECK_NUMBER_CDR(x) \
1590 Lisp_Object tmp = XCDR (x); \
1591 CHECK_NUMBER (tmp); \
1592 XSETCDR ((x), tmp); \
1595 #define CHECK_NATNUM_CAR(x) \
1597 Lisp_Object tmp = XCAR (x); \
1598 CHECK_NATNUM (tmp); \
1599 XSETCAR ((x), tmp); \
1602 #define CHECK_NATNUM_CDR(x) \
1604 Lisp_Object tmp = XCDR (x); \
1605 CHECK_NATNUM (tmp); \
1606 XSETCDR ((x), tmp); \
1609 /* Cast pointers to this type to compare them. Some machines want int. */
1610 #ifndef PNTR_COMPARISON_TYPE
1611 #define PNTR_COMPARISON_TYPE EMACS_UINT
1614 /* Define a built-in function for calling from Lisp.
1615 `lname' should be the name to give the function in Lisp,
1616 as a null-terminated C string.
1617 `fnname' should be the name of the function in C.
1618 By convention, it starts with F.
1619 `sname' should be the name for the C constant structure
1620 that records information on this function for internal use.
1621 By convention, it should be the same as `fnname' but with S instead of F.
1622 It's too bad that C macros can't compute this from `fnname'.
1623 `minargs' should be a number, the minimum number of arguments allowed.
1624 `maxargs' should be a number, the maximum number of arguments allowed,
1625 or else MANY or UNEVALLED.
1626 MANY means pass a vector of evaluated arguments,
1627 in the form of an integer number-of-arguments
1628 followed by the address of a vector of Lisp_Objects
1629 which contains the argument values.
1630 UNEVALLED means pass the list of unevaluated arguments
1631 `prompt' says how to read arguments for an interactive call.
1632 See the doc string for `interactive'.
1633 A null string means call interactively with no arguments.
1634 `doc' is documentation for the user. */
1636 #if (!defined (__STDC__) && !defined (PROTOTYPES)) \
1637 || defined (USE_NONANSI_DEFUN)
1639 #define DEFUN(lname, fnname, sname, minargs, maxargs, prompt, doc) \
1640 Lisp_Object fnname (); \
1641 DECL_ALIGN (struct Lisp_Subr, sname) = \
1642 { PVEC_SUBR | (sizeof (struct Lisp_Subr) / sizeof (EMACS_INT)), \
1643 fnname, minargs, maxargs, lname, prompt, 0}; \
1648 /* This version of DEFUN declares a function prototype with the right
1649 arguments, so we can catch errors with maxargs at compile-time. */
1650 #define DEFUN(lname, fnname, sname, minargs, maxargs, prompt, doc) \
1651 Lisp_Object fnname DEFUN_ARGS_ ## maxargs ; \
1652 DECL_ALIGN (struct Lisp_Subr, sname) = \
1653 { PVEC_SUBR | (sizeof (struct Lisp_Subr) / sizeof (EMACS_INT)), \
1654 fnname, minargs, maxargs, lname, prompt, 0}; \
1657 /* Note that the weird token-substitution semantics of ANSI C makes
1658 this work for MANY and UNEVALLED. */
1659 #define DEFUN_ARGS_MANY (int, Lisp_Object *)
1660 #define DEFUN_ARGS_UNEVALLED (Lisp_Object)
1661 #define DEFUN_ARGS_0 (void)
1662 #define DEFUN_ARGS_1 (Lisp_Object)
1663 #define DEFUN_ARGS_2 (Lisp_Object, Lisp_Object)
1664 #define DEFUN_ARGS_3 (Lisp_Object, Lisp_Object, Lisp_Object)
1665 #define DEFUN_ARGS_4 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object)
1666 #define DEFUN_ARGS_5 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, \
1668 #define DEFUN_ARGS_6 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, \
1669 Lisp_Object, Lisp_Object)
1670 #define DEFUN_ARGS_7 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, \
1671 Lisp_Object, Lisp_Object, Lisp_Object)
1672 #define DEFUN_ARGS_8 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, \
1673 Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object)
1676 /* Non-zero if OBJ is a Lisp function. */
1678 #define FUNCTIONP(OBJ) \
1679 ((CONSP (OBJ) && EQ (XCAR (OBJ), Qlambda)) \
1680 || (SYMBOLP (OBJ) && !NILP (Ffboundp (OBJ))) \
1681 || COMPILEDP (OBJ) \
1685 is how we define the symbol for function `name' at start-up time. */
1686 extern void defsubr
P_ ((struct Lisp_Subr
*));
1689 #define UNEVALLED -1
1691 extern void defvar_lisp
P_ ((char *, Lisp_Object
*));
1692 extern void defvar_lisp_nopro
P_ ((char *, Lisp_Object
*));
1693 extern void defvar_bool
P_ ((char *, int *));
1694 extern void defvar_int
P_ ((char *, EMACS_INT
*));
1695 extern void defvar_per_buffer
P_ ((char *, Lisp_Object
*, Lisp_Object
, char *));
1696 extern void defvar_kboard
P_ ((char *, int));
1698 /* Macros we use to define forwarded Lisp variables.
1699 These are used in the syms_of_FILENAME functions. */
1701 #define DEFVAR_LISP(lname, vname, doc) defvar_lisp (lname, vname)
1702 #define DEFVAR_LISP_NOPRO(lname, vname, doc) defvar_lisp_nopro (lname, vname)
1703 #define DEFVAR_BOOL(lname, vname, doc) defvar_bool (lname, vname)
1704 #define DEFVAR_INT(lname, vname, doc) defvar_int (lname, vname)
1706 /* TYPE is nil for a general Lisp variable.
1707 An integer specifies a type; then only LIsp values
1708 with that type code are allowed (except that nil is allowed too).
1709 LNAME is the LIsp-level variable name.
1710 VNAME is the name of the buffer slot.
1711 DOC is a dummy where you write the doc string as a comment. */
1712 #define DEFVAR_PER_BUFFER(lname, vname, type, doc) \
1713 defvar_per_buffer (lname, vname, type, 0)
1715 #define DEFVAR_KBOARD(lname, vname, doc) \
1716 defvar_kboard (lname, \
1717 (int)((char *)(¤t_kboard->vname) \
1718 - (char *)current_kboard))
1722 /* Structure for recording Lisp call stack for backtrace purposes. */
1724 /* The special binding stack holds the outer values of variables while
1725 they are bound by a function application or a let form, stores the
1726 code to be executed for Lisp unwind-protect forms, and stores the C
1727 functions to be called for record_unwind_protect.
1729 If func is non-zero, undoing this binding applies func to old_value;
1730 This implements record_unwind_protect.
1732 Otherwise, the element is a variable binding.
1734 If the symbol field is a symbol, it is an ordinary variable binding.
1736 Otherwise, it should be a structure (SYMBOL WHERE
1737 . CURRENT-BUFFER), which means having bound a local value while
1738 CURRENT-BUFFER was active. If WHERE is nil this means we saw the
1739 default value when binding SYMBOL. WHERE being a buffer or frame
1740 means we saw a buffer-local or frame-local value. Other values of
1741 WHERE mean an internal error. */
1743 typedef Lisp_Object (*specbinding_func
) P_ ((Lisp_Object
));
1747 Lisp_Object symbol
, old_value
;
1748 specbinding_func func
;
1749 Lisp_Object unused
; /* Dividing by 16 is faster than by 12 */
1752 extern struct specbinding
*specpdl
;
1753 extern struct specbinding
*specpdl_ptr
;
1754 extern int specpdl_size
;
1756 extern EMACS_INT max_specpdl_size
;
1758 #define SPECPDL_INDEX() (specpdl_ptr - specpdl)
1760 /* Everything needed to describe an active condition case. */
1763 /* The handler clauses and variable from the condition-case form. */
1764 /* For a handler set up in Lisp code, this is always a list.
1765 For an internal handler set up by internal_condition_case*,
1766 this can instead be the symbol t or `error'.
1767 t: handle all conditions.
1768 error: handle all conditions, and errors can run the debugger
1769 or display a backtrace. */
1770 Lisp_Object handler
;
1772 /* Fsignal stores here the condition-case clause that applies,
1773 and Fcondition_case thus knows which clause to run. */
1774 Lisp_Object chosen_clause
;
1776 /* Used to effect the longjump out to the handler. */
1777 struct catchtag
*tag
;
1779 /* The next enclosing handler. */
1780 struct handler
*next
;
1783 extern struct handler
*handlerlist
;
1785 extern struct catchtag
*catchlist
;
1786 extern struct backtrace
*backtrace_list
;
1788 extern Lisp_Object memory_signal_data
;
1790 /* An address near the bottom of the stack.
1791 Tells GC how to save a copy of the stack. */
1792 extern char *stack_bottom
;
1794 /* Check quit-flag and quit if it is non-nil.
1795 Typing C-g does not directly cause a quit; it only sets Vquit_flag.
1796 So the program needs to do QUIT at times when it is safe to quit.
1797 Every loop that might run for a long time or might not exit
1798 ought to do QUIT at least once, at a safe place.
1799 Unless that is impossible, of course.
1800 But it is very desirable to avoid creating loops where QUIT is impossible.
1802 Exception: if you set immediate_quit to nonzero,
1803 then the handler that responds to the C-g does the quit itself.
1804 This is a good thing to do around a loop that has no side effects
1805 and (in particular) cannot call arbitrary Lisp code. */
1808 extern void handle_async_input
P_ ((void));
1809 extern int interrupt_input_pending
;
1813 if (!NILP (Vquit_flag) && NILP (Vinhibit_quit)) \
1815 Lisp_Object flag = Vquit_flag; \
1816 Vquit_flag = Qnil; \
1817 if (EQ (Vthrow_on_input, flag)) \
1818 Fthrow (Vthrow_on_input, Qt); \
1819 Fsignal (Qquit, Qnil); \
1821 else if (interrupt_input_pending) \
1822 handle_async_input (); \
1825 #else /* not SYNC_INPUT */
1829 if (!NILP (Vquit_flag) && NILP (Vinhibit_quit)) \
1831 Lisp_Object flag = Vquit_flag; \
1832 Vquit_flag = Qnil; \
1833 if (EQ (Vthrow_on_input, flag)) \
1834 Fthrow (Vthrow_on_input, Qt); \
1835 Fsignal (Qquit, Qnil); \
1839 #endif /* not SYNC_INPUT */
1842 /* Nonzero if ought to quit now. */
1844 #define QUITP (!NILP (Vquit_flag) && NILP (Vinhibit_quit))
1846 /* Variables used locally in the following case handling macros. */
1847 extern int case_temp1
;
1848 extern Lisp_Object case_temp2
;
1850 /* Current buffer's map from characters to lower-case characters. */
1852 #define DOWNCASE_TABLE current_buffer->downcase_table
1854 /* Current buffer's map from characters to upper-case characters. */
1856 #define UPCASE_TABLE current_buffer->upcase_table
1858 /* Downcase a character, or make no change if that cannot be done. */
1860 #define DOWNCASE(CH) \
1861 ((case_temp1 = (CH), \
1862 case_temp2 = CHAR_TABLE_REF (DOWNCASE_TABLE, case_temp1), \
1863 NATNUMP (case_temp2)) \
1864 ? XFASTINT (case_temp2) : case_temp1)
1866 /* 1 if CH is upper case. */
1868 #define UPPERCASEP(CH) (DOWNCASE (CH) != (CH))
1870 /* 1 if CH is neither upper nor lower case. */
1872 #define NOCASEP(CH) (UPCASE1 (CH) == (CH))
1874 /* 1 if CH is lower case. */
1876 #define LOWERCASEP(CH) (!UPPERCASEP (CH) && !NOCASEP(CH))
1878 /* Upcase a character, or make no change if that cannot be done. */
1880 #define UPCASE(CH) (!UPPERCASEP (CH) ? UPCASE1 (CH) : (CH))
1882 /* Upcase a character known to be not upper case. */
1884 #define UPCASE1(CH) \
1885 ((case_temp1 = (CH), \
1886 case_temp2 = CHAR_TABLE_REF (UPCASE_TABLE, case_temp1), \
1887 NATNUMP (case_temp2)) \
1888 ? XFASTINT (case_temp2) : case_temp1)
1890 extern Lisp_Object Vascii_downcase_table
, Vascii_upcase_table
;
1891 extern Lisp_Object Vascii_canon_table
, Vascii_eqv_table
;
1893 /* Number of bytes of structure consed since last GC. */
1895 extern int consing_since_gc
;
1897 /* Thresholds for doing another gc. */
1899 extern EMACS_INT gc_cons_threshold
;
1901 extern EMACS_INT gc_relative_threshold
;
1903 extern EMACS_INT memory_full_cons_threshold
;
1905 /* Structure for recording stack slots that need marking. */
1907 /* This is a chain of structures, each of which points at a Lisp_Object variable
1908 whose value should be marked in garbage collection.
1909 Normally every link of the chain is an automatic variable of a function,
1910 and its `val' points to some argument or local variable of the function.
1911 On exit to the function, the chain is set back to the value it had on entry.
1912 This way, no link remains in the chain when the stack frame containing the
1915 Every function that can call Feval must protect in this fashion all
1916 Lisp_Object variables whose contents will be used again. */
1918 extern struct gcpro
*gcprolist
;
1924 /* Address of first protected variable. */
1925 volatile Lisp_Object
*var
;
1927 /* Number of consecutive protected variables. */
1935 /* Values of GC_MARK_STACK during compilation:
1937 0 Use GCPRO as before
1938 1 Do the real thing, make GCPROs and UNGCPRO no-ops.
1939 2 Mark the stack, and check that everything GCPRO'd is
1941 3 Mark using GCPRO's, mark stack last, and count how many
1942 dead objects are kept alive. */
1945 #define GC_USE_GCPROS_AS_BEFORE 0
1946 #define GC_MAKE_GCPROS_NOOPS 1
1947 #define GC_MARK_STACK_CHECK_GCPROS 2
1948 #define GC_USE_GCPROS_CHECK_ZOMBIES 3
1950 #ifndef GC_MARK_STACK
1951 #define GC_MARK_STACK GC_USE_GCPROS_AS_BEFORE
1954 #if GC_MARK_STACK == GC_MAKE_GCPROS_NOOPS
1956 /* Do something silly with gcproN vars just so gcc shuts up. */
1957 /* You get warnings from MIPSPro... */
1959 #define GCPRO1(varname) ((void) gcpro1)
1960 #define GCPRO2(varname1, varname2)(((void) gcpro2, (void) gcpro1))
1961 #define GCPRO3(varname1, varname2, varname3) \
1962 (((void) gcpro3, (void) gcpro2, (void) gcpro1))
1963 #define GCPRO4(varname1, varname2, varname3, varname4) \
1964 (((void) gcpro4, (void) gcpro3, (void) gcpro2, (void) gcpro1))
1965 #define GCPRO5(varname1, varname2, varname3, varname4, varname5) \
1966 (((void) gcpro5, (void) gcpro4, (void) gcpro3, (void) gcpro2, (void) gcpro1))
1967 #define GCPRO6(varname1, varname2, varname3, varname4, varname5, varname6) \
1968 (((void) gcpro6, (void) gcpro5, (void) gcpro4, (void) gcpro3, (void) gcpro2, (void) gcpro1))
1969 #define UNGCPRO ((void) 0)
1971 #else /* GC_MARK_STACK != GC_MAKE_GCPROS_NOOPS */
1975 #define GCPRO1(varname) \
1976 {gcpro1.next = gcprolist; gcpro1.var = &varname; gcpro1.nvars = 1; \
1977 gcprolist = &gcpro1; }
1979 #define GCPRO2(varname1, varname2) \
1980 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
1981 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
1982 gcprolist = &gcpro2; }
1984 #define GCPRO3(varname1, varname2, varname3) \
1985 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
1986 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
1987 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
1988 gcprolist = &gcpro3; }
1990 #define GCPRO4(varname1, varname2, varname3, varname4) \
1991 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
1992 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
1993 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
1994 gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \
1995 gcprolist = &gcpro4; }
1997 #define GCPRO5(varname1, varname2, varname3, varname4, varname5) \
1998 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
1999 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
2000 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
2001 gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \
2002 gcpro5.next = &gcpro4; gcpro5.var = &varname5; gcpro5.nvars = 1; \
2003 gcprolist = &gcpro5; }
2005 #define GCPRO6(varname1, varname2, varname3, varname4, varname5, varname6) \
2006 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
2007 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
2008 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
2009 gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \
2010 gcpro5.next = &gcpro4; gcpro5.var = &varname5; gcpro5.nvars = 1; \
2011 gcpro6.next = &gcpro5; gcpro6.var = &varname6; gcpro6.nvars = 1; \
2012 gcprolist = &gcpro6; }
2014 #define UNGCPRO (gcprolist = gcpro1.next)
2018 extern int gcpro_level
;
2020 #define GCPRO1(varname) \
2021 {gcpro1.next = gcprolist; gcpro1.var = &varname; gcpro1.nvars = 1; \
2022 gcpro1.level = gcpro_level++; \
2023 gcprolist = &gcpro1; }
2025 #define GCPRO2(varname1, varname2) \
2026 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
2027 gcpro1.level = gcpro_level; \
2028 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
2029 gcpro2.level = gcpro_level++; \
2030 gcprolist = &gcpro2; }
2032 #define GCPRO3(varname1, varname2, varname3) \
2033 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
2034 gcpro1.level = gcpro_level; \
2035 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
2036 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
2037 gcpro3.level = gcpro_level++; \
2038 gcprolist = &gcpro3; }
2040 #define GCPRO4(varname1, varname2, varname3, varname4) \
2041 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
2042 gcpro1.level = gcpro_level; \
2043 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
2044 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
2045 gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \
2046 gcpro4.level = gcpro_level++; \
2047 gcprolist = &gcpro4; }
2049 #define GCPRO5(varname1, varname2, varname3, varname4, varname5) \
2050 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
2051 gcpro1.level = gcpro_level; \
2052 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
2053 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
2054 gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \
2055 gcpro5.next = &gcpro4; gcpro5.var = &varname5; gcpro5.nvars = 1; \
2056 gcpro5.level = gcpro_level++; \
2057 gcprolist = &gcpro5; }
2059 #define GCPRO6(varname1, varname2, varname3, varname4, varname5, varname6) \
2060 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
2061 gcpro1.level = gcpro_level; \
2062 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
2063 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
2064 gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \
2065 gcpro5.next = &gcpro4; gcpro5.var = &varname5; gcpro5.nvars = 1; \
2066 gcpro6.next = &gcpro5; gcpro6.var = &varname6; gcpro6.nvars = 1; \
2067 gcpro6.level = gcpro_level++; \
2068 gcprolist = &gcpro6; }
2071 ((--gcpro_level != gcpro1.level) \
2073 : ((gcprolist = gcpro1.next), 0))
2075 #endif /* DEBUG_GCPRO */
2076 #endif /* GC_MARK_STACK != GC_MAKE_GCPROS_NOOPS */
2079 /* Evaluate expr, UNGCPRO, and then return the value of expr. */
2080 #define RETURN_UNGCPRO(expr) \
2083 Lisp_Object ret_ungc_val; \
2084 ret_ungc_val = (expr); \
2086 return ret_ungc_val; \
2090 /* Call staticpro (&var) to protect static variable `var'. */
2092 void staticpro
P_ ((Lisp_Object
*));
2094 /* Declare a Lisp-callable function. The MAXARGS parameter has the same
2095 meaning as in the DEFUN macro, and is used to construct a prototype. */
2096 #if (!defined (__STDC__) && !defined (PROTOTYPES)) \
2097 || defined (USE_NONANSI_DEFUN)
2098 #define EXFUN(fnname, maxargs) \
2099 extern Lisp_Object fnname ()
2101 /* We can use the same trick as in the DEFUN macro to generate the
2102 appropriate prototype. */
2103 #define EXFUN(fnname, maxargs) \
2104 extern Lisp_Object fnname DEFUN_ARGS_ ## maxargs
2107 /* Forward declarations for prototypes. */
2111 /* Defined in data.c */
2112 extern Lisp_Object Qnil
, Qt
, Qquote
, Qlambda
, Qsubr
, Qunbound
;
2113 extern Lisp_Object Qerror_conditions
, Qerror_message
, Qtop_level
;
2114 extern Lisp_Object Qerror
, Qquit
, Qwrong_type_argument
, Qargs_out_of_range
;
2115 extern Lisp_Object Qvoid_variable
, Qvoid_function
;
2116 extern Lisp_Object Qsetting_constant
, Qinvalid_read_syntax
;
2117 extern Lisp_Object Qinvalid_function
, Qwrong_number_of_arguments
, Qno_catch
;
2118 extern Lisp_Object Qend_of_file
, Qarith_error
, Qmark_inactive
;
2119 extern Lisp_Object Qbeginning_of_buffer
, Qend_of_buffer
, Qbuffer_read_only
;
2120 extern Lisp_Object Qtext_read_only
;
2122 extern Lisp_Object Qintegerp
, Qnatnump
, Qwholenump
, Qsymbolp
, Qlistp
, Qconsp
;
2123 extern Lisp_Object Qstringp
, Qarrayp
, Qsequencep
, Qbufferp
;
2124 extern Lisp_Object Qchar_or_string_p
, Qmarkerp
, Qinteger_or_marker_p
, Qvectorp
;
2125 extern Lisp_Object Qbuffer_or_string_p
;
2126 extern Lisp_Object Qboundp
, Qfboundp
;
2127 extern Lisp_Object Qchar_table_p
, Qvector_or_char_table_p
;
2129 extern Lisp_Object Qcdr
;
2131 extern Lisp_Object Qrange_error
, Qdomain_error
, Qsingularity_error
;
2132 extern Lisp_Object Qoverflow_error
, Qunderflow_error
;
2134 extern Lisp_Object Qfloatp
;
2135 extern Lisp_Object Qnumberp
, Qnumber_or_marker_p
;
2137 extern Lisp_Object Qinteger
;
2139 extern void circular_list_error
P_ ((Lisp_Object
)) NO_RETURN
;
2140 EXFUN (Finteractive_form
, 1);
2142 /* Defined in frame.c */
2143 extern Lisp_Object Qframep
;
2151 EXFUN (Fintegerp
, 1);
2152 EXFUN (Fnatnump
, 1);
2153 EXFUN (Fsymbolp
, 1);
2154 EXFUN (Fvectorp
, 1);
2155 EXFUN (Fstringp
, 1);
2156 EXFUN (Fmultibyte_string_p
, 1);
2158 EXFUN (Fsequencep
, 1);
2159 EXFUN (Fbufferp
, 1);
2160 EXFUN (Fmarkerp
, 1);
2162 EXFUN (Fchar_or_string_p
, 1);
2163 EXFUN (Finteger_or_marker_p
, 1);
2165 EXFUN (Finteger_or_floatp
, 1);
2166 EXFUN (Finteger_or_float_or_marker_p
, 1);
2169 EXFUN (Fcar_safe
, 1);
2171 EXFUN (Fcdr_safe
, 1);
2175 EXFUN (Ffboundp
, 1);
2176 EXFUN (Fmakunbound
, 1);
2177 EXFUN (Ffmakunbound
, 1);
2178 EXFUN (Fsymbol_function
, 1);
2179 EXFUN (Fsymbol_plist
, 1);
2180 EXFUN (Fsymbol_name
, 1);
2181 extern Lisp_Object indirect_function
P_ ((Lisp_Object
));
2182 EXFUN (Findirect_function
, 2);
2184 EXFUN (Fsetplist
, 2);
2185 EXFUN (Fsymbol_value
, 1);
2186 extern Lisp_Object find_symbol_value
P_ ((Lisp_Object
));
2188 EXFUN (Fdefault_value
, 1);
2189 EXFUN (Fset_default
, 2);
2190 EXFUN (Fdefault_boundp
, 1);
2191 EXFUN (Fmake_local_variable
, 1);
2192 EXFUN (Flocal_variable_p
, 2);
2193 EXFUN (Flocal_variable_if_set_p
, 2);
2198 EXFUN (Fstring_to_number
, 2);
2199 EXFUN (Fnumber_to_string
, 1);
2200 EXFUN (Feqlsign
, 2);
2207 EXFUN (Fplus
, MANY
);
2208 EXFUN (Fminus
, MANY
);
2209 EXFUN (Ftimes
, MANY
);
2214 EXFUN (Flogand
, MANY
);
2215 EXFUN (Flogior
, MANY
);
2216 EXFUN (Flogxor
, MANY
);
2223 EXFUN (Fmake_variable_buffer_local
, 1);
2225 extern Lisp_Object indirect_variable
P_ ((Lisp_Object
));
2226 extern Lisp_Object long_to_cons
P_ ((unsigned long));
2227 extern unsigned long cons_to_long
P_ ((Lisp_Object
));
2228 extern void args_out_of_range
P_ ((Lisp_Object
, Lisp_Object
)) NO_RETURN
;
2229 extern void args_out_of_range_3
P_ ((Lisp_Object
, Lisp_Object
,
2230 Lisp_Object
)) NO_RETURN
;
2231 extern Lisp_Object wrong_type_argument
P_ ((Lisp_Object
, Lisp_Object
)) NO_RETURN
;
2232 extern void store_symval_forwarding
P_ ((Lisp_Object
, Lisp_Object
,
2233 Lisp_Object
, struct buffer
*));
2234 extern Lisp_Object do_symval_forwarding
P_ ((Lisp_Object
));
2235 extern Lisp_Object set_internal
P_ ((Lisp_Object
, Lisp_Object
, struct buffer
*, int));
2236 extern void syms_of_data
P_ ((void));
2237 extern void init_data
P_ ((void));
2238 extern void swap_in_global_binding
P_ ((Lisp_Object
));
2240 /* Defined in cmds.c */
2241 EXFUN (Fend_of_line
, 1);
2242 EXFUN (Fforward_char
, 1);
2243 EXFUN (Fforward_line
, 1);
2244 extern int internal_self_insert
P_ ((int, int));
2245 extern void syms_of_cmds
P_ ((void));
2246 extern void keys_of_cmds
P_ ((void));
2248 /* Defined in coding.c */
2249 EXFUN (Fcoding_system_p
, 1);
2250 EXFUN (Fcoding_system_base
, 1);
2251 EXFUN (Fcoding_system_eol_type
, 1);
2252 EXFUN (Fcheck_coding_system
, 1);
2253 EXFUN (Fcheck_coding_system
, 1);
2254 EXFUN (Fread_coding_system
, 2);
2255 EXFUN (Fread_non_nil_coding_system
, 1);
2256 EXFUN (Ffind_operation_coding_system
, MANY
);
2257 EXFUN (Fupdate_coding_systems_internal
, 0);
2258 EXFUN (Fencode_coding_string
, 4);
2259 EXFUN (Fdecode_coding_string
, 4);
2260 extern Lisp_Object detect_coding_system
P_ ((const unsigned char *, int,
2261 int, int, int, Lisp_Object
));
2262 extern void init_coding
P_ ((void));
2263 extern void init_coding_once
P_ ((void));
2264 extern void syms_of_coding
P_ ((void));
2266 /* Defined in character.c */
2267 extern void init_character_once
P_ ((void));
2268 extern void syms_of_character
P_ ((void));
2269 EXFUN (Funibyte_char_to_multibyte
, 1);
2271 /* Defined in charset.c */
2272 EXFUN (Fchar_bytes
, 1);
2273 EXFUN (Fchar_width
, 1);
2274 EXFUN (Fstring
, MANY
);
2275 extern int chars_in_text
P_ ((const unsigned char *, int));
2276 extern int multibyte_chars_in_text
P_ ((const unsigned char *, int));
2277 extern int multibyte_char_to_unibyte
P_ ((int, Lisp_Object
));
2278 extern int multibyte_char_to_unibyte_safe
P_ ((int));
2279 extern Lisp_Object Qcharset
;
2280 extern void init_charset
P_ ((void));
2281 extern void init_charset_once
P_ ((void));
2282 extern void syms_of_charset
P_ ((void));
2283 /* Structure forward declarations. */
2286 /* Defined in composite.c */
2287 extern void syms_of_composite
P_ ((void));
2289 /* Defined in syntax.c */
2290 EXFUN (Fforward_word
, 1);
2291 EXFUN (Fskip_chars_forward
, 2);
2292 EXFUN (Fskip_chars_backward
, 2);
2293 EXFUN (Fsyntax_table_p
, 1);
2294 EXFUN (Fsyntax_table
, 0);
2295 EXFUN (Fset_syntax_table
, 1);
2296 extern void init_syntax_once
P_ ((void));
2297 extern void syms_of_syntax
P_ ((void));
2299 /* Defined in fns.c */
2300 extern int use_dialog_box
;
2301 extern int next_almost_prime
P_ ((int));
2302 extern Lisp_Object larger_vector
P_ ((Lisp_Object
, int, Lisp_Object
));
2303 extern void sweep_weak_hash_tables
P_ ((void));
2304 extern Lisp_Object Qstring_lessp
;
2305 extern Lisp_Object Vfeatures
;
2306 extern Lisp_Object QCtest
, QCweakness
, Qequal
, Qeq
;
2307 unsigned sxhash
P_ ((Lisp_Object
, int));
2308 Lisp_Object make_hash_table
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
,
2309 Lisp_Object
, Lisp_Object
, Lisp_Object
,
2311 Lisp_Object copy_hash_table
P_ ((struct Lisp_Hash_Table
*));
2312 int hash_lookup
P_ ((struct Lisp_Hash_Table
*, Lisp_Object
, unsigned *));
2313 int hash_put
P_ ((struct Lisp_Hash_Table
*, Lisp_Object
, Lisp_Object
,
2315 void hash_remove
P_ ((struct Lisp_Hash_Table
*, Lisp_Object
));
2316 void hash_clear
P_ ((struct Lisp_Hash_Table
*));
2317 void remove_hash_entry
P_ ((struct Lisp_Hash_Table
*, int));
2318 extern void init_fns
P_ ((void));
2320 EXFUN (Fmake_hash_table
, MANY
);
2321 EXFUN (Fmakehash
, 1);
2322 EXFUN (Fcopy_hash_table
, 1);
2323 EXFUN (Fhash_table_count
, 1);
2324 EXFUN (Fhash_table_rehash_size
, 1);
2325 EXFUN (Fhash_table_rehash_threshold
, 1);
2326 EXFUN (Fhash_table_size
, 1);
2327 EXFUN (Fhash_table_test
, 1);
2328 EXFUN (Fhash_table_weak
, 1);
2329 EXFUN (Fhash_table_p
, 1);
2330 EXFUN (Fclrhash
, 1);
2331 EXFUN (Fgethash
, 3);
2332 EXFUN (Fputhash
, 3);
2333 EXFUN (Fremhash
, 2);
2334 EXFUN (Fmaphash
, 2);
2335 EXFUN (Fdefine_hash_table_test
, 3);
2337 EXFUN (Fidentity
, 1);
2340 EXFUN (Fsafe_length
, 1);
2341 EXFUN (Fappend
, MANY
);
2342 EXFUN (Fconcat
, MANY
);
2343 EXFUN (Fvconcat
, MANY
);
2344 EXFUN (Fcopy_sequence
, 1);
2345 EXFUN (Fstring_make_multibyte
, 1);
2346 EXFUN (Fstring_make_unibyte
, 1);
2347 EXFUN (Fstring_as_multibyte
, 1);
2348 EXFUN (Fstring_as_unibyte
, 1);
2349 EXFUN (Fstring_to_multibyte
, 1);
2350 EXFUN (Fsubstring
, 3);
2351 extern Lisp_Object substring_both
P_ ((Lisp_Object
, int, int, int, int));
2363 EXFUN (Freverse
, 1);
2364 EXFUN (Fnreverse
, 1);
2368 EXFUN (Ffillarray
, 2);
2369 EXFUN (Fnconc
, MANY
);
2371 EXFUN (Fmapconcat
, 3);
2372 EXFUN (Fy_or_n_p
, 1);
2373 extern Lisp_Object do_yes_or_no_p
P_ ((Lisp_Object
));
2374 EXFUN (Frequire
, 3);
2375 EXFUN (Fprovide
, 2);
2376 extern Lisp_Object concat2
P_ ((Lisp_Object
, Lisp_Object
));
2377 extern Lisp_Object concat3
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
));
2378 extern Lisp_Object nconc2
P_ ((Lisp_Object
, Lisp_Object
));
2379 extern Lisp_Object assq_no_quit
P_ ((Lisp_Object
, Lisp_Object
));
2380 extern Lisp_Object assoc_no_quit
P_ ((Lisp_Object
, Lisp_Object
));
2381 extern void clear_string_char_byte_cache
P_ ((void));
2382 extern int string_char_to_byte
P_ ((Lisp_Object
, int));
2383 extern int string_byte_to_char
P_ ((Lisp_Object
, int));
2384 extern Lisp_Object string_make_multibyte
P_ ((Lisp_Object
));
2385 extern Lisp_Object string_to_multibyte
P_ ((Lisp_Object
));
2386 extern Lisp_Object string_make_unibyte
P_ ((Lisp_Object
));
2387 EXFUN (Fcopy_alist
, 1);
2388 EXFUN (Fplist_get
, 2);
2389 EXFUN (Fplist_put
, 3);
2390 EXFUN (Fplist_member
, 2);
2392 EXFUN (Fstring_equal
, 2);
2393 EXFUN (Fcompare_strings
, 7);
2394 EXFUN (Fstring_lessp
, 2);
2395 extern void syms_of_fns
P_ ((void));
2397 /* Defined in floatfns.c */
2398 extern double extract_float
P_ ((Lisp_Object
));
2400 EXFUN (Ftruncate
, 2);
2401 extern void init_floatfns
P_ ((void));
2402 extern void syms_of_floatfns
P_ ((void));
2404 /* Defined in fringe.c */
2405 extern void syms_of_fringe
P_ ((void));
2406 extern void init_fringe
P_ ((void));
2407 extern void init_fringe_once
P_ ((void));
2409 /* Defined in image.c */
2410 EXFUN (Finit_image_library
, 2);
2411 extern void syms_of_image
P_ ((void));
2412 extern void init_image
P_ ((void));
2414 /* Defined in insdel.c */
2415 extern Lisp_Object Qinhibit_modification_hooks
;
2416 extern void move_gap
P_ ((int));
2417 extern void move_gap_both
P_ ((int, int));
2418 extern void make_gap
P_ ((int));
2419 extern int copy_text
P_ ((const unsigned char *, unsigned char *, int, int, int));
2420 extern int count_size_as_multibyte
P_ ((const unsigned char *, int));
2421 extern int count_combining_before
P_ ((const unsigned char *, int, int, int));
2422 extern int count_combining_after
P_ ((const unsigned char *, int, int, int));
2423 extern void insert
P_ ((const unsigned char *, int));
2424 extern void insert_and_inherit
P_ ((const unsigned char *, int));
2425 extern void insert_1
P_ ((const unsigned char *, int, int, int, int));
2426 extern void insert_1_both
P_ ((const unsigned char *, int, int, int, int, int));
2427 extern void insert_from_gap
P_ ((int, int));
2428 extern void insert_from_string
P_ ((Lisp_Object
, int, int, int, int, int));
2429 extern void insert_from_buffer
P_ ((struct buffer
*, int, int, int));
2430 extern void insert_char
P_ ((int));
2431 extern void insert_string
P_ ((const char *));
2432 extern void insert_before_markers
P_ ((const unsigned char *, int));
2433 extern void insert_before_markers_and_inherit
P_ ((const unsigned char *, int));
2434 extern void insert_from_string_before_markers
P_ ((Lisp_Object
, int, int, int, int, int));
2435 extern void del_range
P_ ((int, int));
2436 extern Lisp_Object del_range_1
P_ ((int, int, int, int));
2437 extern void del_range_byte
P_ ((int, int, int));
2438 extern void del_range_both
P_ ((int, int, int, int, int));
2439 extern Lisp_Object del_range_2
P_ ((int, int, int, int, int));
2440 extern void modify_region
P_ ((struct buffer
*, int, int, int));
2441 extern void prepare_to_modify_buffer
P_ ((int, int, int *));
2442 extern void signal_before_change
P_ ((int, int, int *));
2443 extern void signal_after_change
P_ ((int, int, int));
2444 extern void adjust_after_replace
P_ ((int, int, Lisp_Object
, int, int));
2445 extern void adjust_after_replace_noundo
P_ ((int, int, int, int, int, int));
2446 extern void adjust_after_insert
P_ ((int, int, int, int, int));
2447 extern void replace_range
P_ ((int, int, Lisp_Object
, int, int, int));
2448 extern void replace_range_2
P_ ((int, int, int, int, char *, int, int, int));
2449 extern void syms_of_insdel
P_ ((void));
2451 /* Defined in dispnew.c */
2452 extern Lisp_Object selected_frame
;
2453 extern EMACS_INT baud_rate
;
2455 EXFUN (Fredraw_frame
, 1);
2456 EXFUN (Fredraw_display
, 0);
2457 EXFUN (Fsleep_for
, 2);
2458 EXFUN (Fredisplay
, 1);
2459 extern Lisp_Object sit_for
P_ ((Lisp_Object
, int, int));
2460 extern void init_display
P_ ((void));
2461 extern void syms_of_display
P_ ((void));
2462 extern void safe_bcopy
P_ ((const char *, char *, int));
2464 /* Defined in xdisp.c */
2465 extern Lisp_Object Qinhibit_point_motion_hooks
;
2466 extern Lisp_Object Qinhibit_redisplay
, Qdisplay
;
2467 extern Lisp_Object Qinhibit_eval_during_redisplay
;
2468 extern Lisp_Object Qmessage_truncate_lines
;
2469 extern Lisp_Object Qimage
;
2470 extern Lisp_Object Vmessage_log_max
;
2471 extern int message_enable_multibyte
;
2472 extern Lisp_Object echo_area_buffer
[2];
2473 extern void check_message_stack
P_ ((void));
2474 extern void setup_echo_area_for_printing
P_ ((int));
2475 extern int push_message
P_ ((void));
2476 extern Lisp_Object pop_message_unwind
P_ ((Lisp_Object
));
2477 extern Lisp_Object restore_message_unwind
P_ ((Lisp_Object
));
2478 extern void pop_message
P_ ((void));
2479 extern void restore_message
P_ ((void));
2480 extern Lisp_Object current_message
P_ ((void));
2481 extern void set_message
P_ ((const char *s
, Lisp_Object
, int, int));
2482 extern void clear_message
P_ ((int, int));
2483 extern void message
P_ ((/* char *, ... */));
2484 extern void message_nolog
P_ ((/* char *, ... */));
2485 extern void message1
P_ ((char *));
2486 extern void message1_nolog
P_ ((char *));
2487 extern void message2
P_ ((const char *, int, int));
2488 extern void message2_nolog
P_ ((const char *, int, int));
2489 extern void message3
P_ ((Lisp_Object
, int, int));
2490 extern void message3_nolog
P_ ((Lisp_Object
, int, int));
2491 extern void message_dolog
P_ ((const char *, int, int, int));
2492 extern void message_with_string
P_ ((char *, Lisp_Object
, int));
2493 extern void message_log_maybe_newline
P_ ((void));
2494 extern void update_echo_area
P_ ((void));
2495 extern void truncate_echo_area
P_ ((int));
2496 extern void redisplay
P_ ((void));
2497 extern int check_point_in_composition
2498 P_ ((struct buffer
*, int, struct buffer
*, int));
2499 extern void redisplay_preserve_echo_area
P_ ((int));
2500 extern void prepare_menu_bars
P_ ((void));
2502 void set_frame_cursor_types
P_ ((struct frame
*, Lisp_Object
));
2503 extern void syms_of_xdisp
P_ ((void));
2504 extern void init_xdisp
P_ ((void));
2505 extern Lisp_Object safe_eval
P_ ((Lisp_Object
));
2506 extern int pos_visible_p
P_ ((struct window
*, int, int *,
2507 int *, int *, int *, int *, int *));
2509 /* Defined in vm-limit.c. */
2510 extern void memory_warnings
P_ ((POINTER_TYPE
*, void (*warnfun
) ()));
2512 /* Defined in alloc.c */
2513 extern void check_pure_size
P_ ((void));
2514 extern void allocate_string_data
P_ ((struct Lisp_String
*, int, int));
2515 extern void reset_malloc_hooks
P_ ((void));
2516 extern void uninterrupt_malloc
P_ ((void));
2517 extern void malloc_warning
P_ ((char *));
2518 extern void memory_full
P_ ((void)) NO_RETURN
;
2519 extern void buffer_memory_full
P_ ((void)) NO_RETURN
;
2520 extern int survives_gc_p
P_ ((Lisp_Object
));
2521 extern void mark_object
P_ ((Lisp_Object
));
2522 extern Lisp_Object Vpurify_flag
;
2523 extern Lisp_Object Vmemory_full
;
2530 EXFUN (Flist
, MANY
);
2531 EXFUN (Fmake_list
, 2);
2532 extern Lisp_Object allocate_misc
P_ ((void));
2533 EXFUN (Fmake_vector
, 2);
2534 EXFUN (Fvector
, MANY
);
2535 EXFUN (Fmake_symbol
, 1);
2536 EXFUN (Fmake_marker
, 0);
2537 EXFUN (Fmake_string
, 2);
2538 extern Lisp_Object build_string
P_ ((const char *));
2539 extern Lisp_Object make_string
P_ ((const char *, int));
2540 extern Lisp_Object make_unibyte_string
P_ ((const char *, int));
2541 extern Lisp_Object make_multibyte_string
P_ ((const char *, int, int));
2542 extern Lisp_Object make_event_array
P_ ((int, Lisp_Object
*));
2543 extern Lisp_Object make_uninit_string
P_ ((int));
2544 extern Lisp_Object make_uninit_multibyte_string
P_ ((int, int));
2545 extern Lisp_Object make_string_from_bytes
P_ ((const char *, int, int));
2546 extern Lisp_Object make_specified_string
P_ ((const char *, int, int, int));
2547 EXFUN (Fpurecopy
, 1);
2548 extern Lisp_Object make_pure_string
P_ ((char *, int, int, int));
2549 extern Lisp_Object pure_cons
P_ ((Lisp_Object
, Lisp_Object
));
2550 extern Lisp_Object make_pure_vector
P_ ((EMACS_INT
));
2551 EXFUN (Fgarbage_collect
, 0);
2552 EXFUN (Fmake_byte_code
, MANY
);
2553 EXFUN (Fmake_bool_vector
, 2);
2554 extern Lisp_Object Qchar_table_extra_slots
;
2555 extern struct Lisp_Vector
*allocate_vector
P_ ((EMACS_INT
));
2556 extern struct Lisp_Vector
*allocate_other_vector
P_ ((EMACS_INT
));
2557 extern struct Lisp_Hash_Table
*allocate_hash_table
P_ ((void));
2558 extern struct window
*allocate_window
P_ ((void));
2559 extern struct frame
*allocate_frame
P_ ((void));
2560 extern struct Lisp_Process
*allocate_process
P_ ((void));
2561 extern int gc_in_progress
;
2562 extern int abort_on_gc
;
2563 extern Lisp_Object make_float
P_ ((double));
2564 extern void display_malloc_warning
P_ ((void));
2565 extern int inhibit_garbage_collection
P_ ((void));
2566 extern Lisp_Object make_save_value
P_ ((void *, int));
2567 extern void free_misc
P_ ((Lisp_Object
));
2568 extern void free_marker
P_ ((Lisp_Object
));
2569 extern void free_cons
P_ ((struct Lisp_Cons
*));
2570 extern void init_alloc_once
P_ ((void));
2571 extern void init_alloc
P_ ((void));
2572 extern void syms_of_alloc
P_ ((void));
2573 extern struct buffer
* allocate_buffer
P_ ((void));
2574 extern int valid_lisp_object_p
P_ ((Lisp_Object
));
2576 /* Defined in chartab.c */
2577 EXFUN (Fmake_char_table
, 2);
2578 EXFUN (Fchar_table_parent
, 1);
2579 EXFUN (Fset_char_table_parent
, 2);
2580 EXFUN (Fchar_table_extra_slot
, 2);
2581 EXFUN (Fset_char_table_extra_slot
, 3);
2582 EXFUN (Fchar_table_range
, 2);
2583 EXFUN (Fset_char_table_range
, 3);
2584 EXFUN (Fset_char_table_default
, 3);
2585 EXFUN (Foptimize_char_table
, 1);
2586 EXFUN (Fmap_char_table
, 2);
2587 extern Lisp_Object copy_char_table
P_ ((Lisp_Object
));
2588 extern Lisp_Object sub_char_table_ref
P_ ((Lisp_Object
, int));
2589 extern Lisp_Object char_table_ref
P_ ((Lisp_Object
, int));
2590 extern Lisp_Object char_table_ref_and_range
P_ ((Lisp_Object
, int,
2592 extern Lisp_Object char_table_set
P_ ((Lisp_Object
, int, Lisp_Object
));
2593 extern Lisp_Object char_table_set_range
P_ ((Lisp_Object
, int, int,
2595 extern int char_table_translate
P_ ((Lisp_Object
, int));
2596 extern void map_char_table
P_ ((void (*) (Lisp_Object
, Lisp_Object
,
2598 Lisp_Object
, Lisp_Object
, Lisp_Object
));
2599 extern void syms_of_chartab
P_ ((void));
2601 /* Defined in print.c */
2602 extern Lisp_Object Vprin1_to_string_buffer
;
2603 extern void debug_print
P_ ((Lisp_Object
));
2605 EXFUN (Fprin1_to_string
, 2);
2609 EXFUN (Ferror_message_string
, 1);
2610 extern Lisp_Object Vstandard_output
, Qstandard_output
;
2611 extern Lisp_Object Qexternal_debugging_output
;
2612 extern void temp_output_buffer_setup
P_ ((const char *));
2613 extern int print_level
, print_escape_newlines
;
2614 extern Lisp_Object Qprint_escape_newlines
;
2615 extern void write_string
P_ ((char *, int));
2616 extern void write_string_1
P_ ((char *, int, Lisp_Object
));
2617 extern void print_error_message
P_ ((Lisp_Object
, Lisp_Object
, char *, Lisp_Object
));
2618 extern Lisp_Object internal_with_output_to_temp_buffer
2619 P_ ((const char *, Lisp_Object (*) (Lisp_Object
), Lisp_Object
));
2620 extern void float_to_string
P_ ((unsigned char *, double));
2621 extern void syms_of_print
P_ ((void));
2623 /* Defined in doprnt.c */
2624 extern int doprnt
P_ ((char *, int, char *, char *, int, char **));
2625 extern int doprnt_lisp
P_ ((char *, int, char *, char *, int, char **));
2627 /* Defined in lread.c */
2628 extern Lisp_Object Qvariable_documentation
, Qstandard_input
;
2629 extern Lisp_Object Vobarray
, initial_obarray
, Vstandard_input
;
2631 EXFUN (Fread_from_string
, 3);
2633 EXFUN (Fintern_soft
, 2);
2635 EXFUN (Fget_load_suffixes
, 0);
2636 EXFUN (Fget_file_char
, 0);
2637 EXFUN (Fread_char
, 3);
2638 EXFUN (Fread_event
, 3);
2639 extern Lisp_Object read_filtered_event
P_ ((int, int, int, int, Lisp_Object
));
2640 EXFUN (Feval_region
, 4);
2641 extern Lisp_Object check_obarray
P_ ((Lisp_Object
));
2642 extern Lisp_Object intern
P_ ((const char *));
2643 extern Lisp_Object make_symbol
P_ ((char *));
2644 extern Lisp_Object oblookup
P_ ((Lisp_Object
, const char *, int, int));
2645 #define LOADHIST_ATTACH(x) \
2646 if (initialized) Vcurrent_load_list = Fcons (x, Vcurrent_load_list)
2647 extern Lisp_Object Vcurrent_load_list
;
2648 extern Lisp_Object Vload_history
, Vload_suffixes
, Vload_file_rep_suffixes
;
2649 extern int openp
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
,
2650 Lisp_Object
*, Lisp_Object
));
2651 extern int isfloat_string
P_ ((char *));
2652 extern void map_obarray
P_ ((Lisp_Object
, void (*) (Lisp_Object
, Lisp_Object
),
2654 extern void dir_warning
P_ ((char *, Lisp_Object
));
2655 extern void close_load_descs
P_ ((void));
2656 extern void init_obarray
P_ ((void));
2657 extern void init_lread
P_ ((void));
2658 extern void syms_of_lread
P_ ((void));
2660 /* Defined in eval.c */
2661 extern Lisp_Object Qautoload
, Qexit
, Qinteractive
, Qcommandp
, Qdefun
, Qmacro
;
2662 extern Lisp_Object Vinhibit_quit
, Qinhibit_quit
, Vquit_flag
;
2663 extern Lisp_Object Vautoload_queue
;
2664 extern Lisp_Object Vdebug_on_error
;
2665 extern Lisp_Object Vsignaling_function
;
2666 extern int handling_signal
;
2667 extern int interactive_p
P_ ((int));
2669 /* To run a normal hook, use the appropriate function from the list below.
2670 The calling convention:
2672 if (!NILP (Vrun_hooks))
2673 call1 (Vrun_hooks, Qmy_funny_hook);
2675 should no longer be used. */
2676 extern Lisp_Object Vrun_hooks
;
2677 EXFUN (Frun_hooks
, MANY
);
2678 EXFUN (Frun_hook_with_args
, MANY
);
2679 EXFUN (Frun_hook_with_args_until_success
, MANY
);
2680 EXFUN (Frun_hook_with_args_until_failure
, MANY
);
2681 extern Lisp_Object run_hook_list_with_args
P_ ((Lisp_Object
, int, Lisp_Object
*));
2682 extern void run_hook_with_args_2
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
));
2683 EXFUN (Fand
, UNEVALLED
);
2684 EXFUN (For
, UNEVALLED
);
2685 EXFUN (Fif
, UNEVALLED
);
2686 EXFUN (Fprogn
, UNEVALLED
);
2687 EXFUN (Fprog1
, UNEVALLED
);
2688 EXFUN (Fprog2
, UNEVALLED
);
2689 EXFUN (Fsetq
, UNEVALLED
);
2690 EXFUN (Fquote
, UNEVALLED
);
2691 EXFUN (Fuser_variable_p
, 1);
2692 EXFUN (Finteractive_p
, 0);
2693 EXFUN (Fdefun
, UNEVALLED
);
2694 EXFUN (Flet
, UNEVALLED
);
2695 EXFUN (FletX
, UNEVALLED
);
2696 EXFUN (Fwhile
, UNEVALLED
);
2697 EXFUN (Fcatch
, UNEVALLED
);
2698 EXFUN (Fthrow
, 2) NO_RETURN
;
2699 EXFUN (Funwind_protect
, UNEVALLED
);
2700 EXFUN (Fcondition_case
, UNEVALLED
);
2702 extern void xsignal
P_ ((Lisp_Object
, Lisp_Object
)) NO_RETURN
;
2703 extern void xsignal0
P_ ((Lisp_Object
)) NO_RETURN
;
2704 extern void xsignal1
P_ ((Lisp_Object
, Lisp_Object
)) NO_RETURN
;
2705 extern void xsignal2
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
)) NO_RETURN
;
2706 extern void xsignal3
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
)) NO_RETURN
;
2707 extern void signal_error
P_ ((char *, Lisp_Object
)) NO_RETURN
;
2708 EXFUN (Fautoload
, 5);
2709 EXFUN (Fcommandp
, 2);
2711 EXFUN (Fapply
, MANY
);
2712 EXFUN (Ffuncall
, MANY
);
2713 EXFUN (Fbacktrace
, 0);
2714 extern Lisp_Object apply1
P_ ((Lisp_Object
, Lisp_Object
));
2715 extern Lisp_Object call0
P_ ((Lisp_Object
));
2716 extern Lisp_Object call1
P_ ((Lisp_Object
, Lisp_Object
));
2717 extern Lisp_Object call2
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
));
2718 extern Lisp_Object call3
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
));
2719 extern Lisp_Object call4
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
));
2720 extern Lisp_Object call5
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
));
2721 extern Lisp_Object call6
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
));
2722 EXFUN (Fdo_auto_save
, 2);
2723 extern Lisp_Object apply_lambda
P_ ((Lisp_Object
, Lisp_Object
, int));
2724 extern Lisp_Object internal_catch
P_ ((Lisp_Object
, Lisp_Object (*) (Lisp_Object
), Lisp_Object
));
2725 extern Lisp_Object internal_lisp_condition_case
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
));
2726 extern Lisp_Object internal_condition_case
P_ ((Lisp_Object (*) (void), Lisp_Object
, Lisp_Object (*) (Lisp_Object
)));
2727 extern Lisp_Object internal_condition_case_1
P_ ((Lisp_Object (*) (Lisp_Object
), Lisp_Object
, Lisp_Object
, Lisp_Object (*) (Lisp_Object
)));
2728 extern Lisp_Object internal_condition_case_2
P_ ((Lisp_Object (*) (int, Lisp_Object
*), int, Lisp_Object
*, Lisp_Object
, Lisp_Object (*) (Lisp_Object
)));
2729 extern void specbind
P_ ((Lisp_Object
, Lisp_Object
));
2730 extern void record_unwind_protect
P_ ((Lisp_Object (*) (Lisp_Object
), Lisp_Object
));
2731 extern Lisp_Object unbind_to
P_ ((int, Lisp_Object
));
2732 extern void error
P_ ((/* char *, ... */)) NO_RETURN
;
2733 extern void do_autoload
P_ ((Lisp_Object
, Lisp_Object
));
2734 extern Lisp_Object un_autoload
P_ ((Lisp_Object
));
2735 EXFUN (Ffetch_bytecode
, 1);
2736 extern void init_eval_once
P_ ((void));
2737 extern Lisp_Object safe_call
P_ ((int, Lisp_Object
*));
2738 extern Lisp_Object safe_call1
P_ ((Lisp_Object
, Lisp_Object
));
2739 extern void init_eval
P_ ((void));
2740 extern void syms_of_eval
P_ ((void));
2742 /* Defined in editfns.c */
2743 EXFUN (Fpropertize
, MANY
);
2744 EXFUN (Fcurrent_message
, 0);
2745 EXFUN (Fgoto_char
, 1);
2746 EXFUN (Fpoint_min_marker
, 0);
2747 EXFUN (Fpoint_max_marker
, 0);
2748 EXFUN (Fpoint_min
, 0);
2749 EXFUN (Fpoint_max
, 0);
2751 EXFUN (Fpoint_marker
, 0);
2752 EXFUN (Fmark_marker
, 0);
2753 EXFUN (Fline_beginning_position
, 1);
2754 EXFUN (Fline_end_position
, 1);
2755 EXFUN (Ffollowing_char
, 0);
2756 EXFUN (Fprevious_char
, 0);
2757 EXFUN (Fchar_after
, 1);
2758 EXFUN (Finsert
, MANY
);
2759 EXFUN (Finsert_and_inherit
, MANY
);
2760 EXFUN (Finsert_before_markers
, MANY
);
2761 EXFUN (Finsert_buffer_substring
, 3);
2762 EXFUN (Finsert_char
, 3);
2763 extern void insert1
P_ ((Lisp_Object
));
2768 EXFUN (Fformat
, MANY
);
2769 EXFUN (Fmessage
, MANY
);
2770 extern Lisp_Object format2
P_ ((char *, Lisp_Object
, Lisp_Object
));
2771 EXFUN (Fbuffer_substring
, 2);
2772 EXFUN (Fbuffer_string
, 0);
2773 extern Lisp_Object save_excursion_save
P_ ((void));
2774 extern Lisp_Object save_restriction_save
P_ ((void));
2775 extern Lisp_Object save_excursion_restore
P_ ((Lisp_Object
));
2776 extern Lisp_Object save_restriction_restore
P_ ((Lisp_Object
));
2777 EXFUN (Fchar_to_string
, 1);
2778 EXFUN (Fdelete_region
, 2);
2779 EXFUN (Fnarrow_to_region
, 2);
2781 EXFUN (Fuser_login_name
, 1);
2782 EXFUN (Fsystem_name
, 0);
2783 EXFUN (Fcurrent_time
, 0);
2784 extern int clip_to_bounds
P_ ((int, int, int));
2785 extern Lisp_Object make_buffer_string
P_ ((int, int, int));
2786 extern Lisp_Object make_buffer_string_both
P_ ((int, int, int, int, int));
2787 extern void init_editfns
P_ ((void));
2788 extern void syms_of_editfns
P_ ((void));
2789 extern Lisp_Object Vinhibit_field_text_motion
;
2790 EXFUN (Fconstrain_to_field
, 5);
2791 EXFUN (Ffield_string
, 1);
2792 EXFUN (Fdelete_field
, 1);
2793 EXFUN (Ffield_beginning
, 3);
2794 EXFUN (Ffield_end
, 3);
2795 EXFUN (Ffield_string_no_properties
, 1);
2796 extern void set_time_zone_rule
P_ ((char *));
2798 /* defined in buffer.c */
2799 extern int mouse_face_overlay_overlaps
P_ ((Lisp_Object
));
2800 extern void nsberror
P_ ((Lisp_Object
)) NO_RETURN
;
2801 extern char *no_switch_window
P_ ((Lisp_Object window
));
2802 EXFUN (Fset_buffer_multibyte
, 1);
2803 EXFUN (Foverlay_start
, 1);
2804 EXFUN (Foverlay_end
, 1);
2805 extern void adjust_overlays_for_insert
P_ ((EMACS_INT
, EMACS_INT
));
2806 extern void adjust_overlays_for_delete
P_ ((EMACS_INT
, EMACS_INT
));
2807 extern void fix_start_end_in_overlays
P_ ((int, int));
2808 extern void report_overlay_modification
P_ ((Lisp_Object
, Lisp_Object
, int,
2809 Lisp_Object
, Lisp_Object
, Lisp_Object
));
2810 extern int overlay_touches_p
P_ ((int));
2811 extern Lisp_Object Vbuffer_alist
, Vinhibit_read_only
;
2812 EXFUN (Fget_buffer
, 1);
2813 EXFUN (Fget_buffer_create
, 1);
2814 EXFUN (Fgenerate_new_buffer_name
, 2);
2815 EXFUN (Fset_buffer
, 1);
2816 EXFUN (set_buffer_if_live
, 1);
2817 EXFUN (Fbarf_if_buffer_read_only
, 0);
2818 EXFUN (Fcurrent_buffer
, 0);
2819 EXFUN (Fswitch_to_buffer
, 2);
2820 EXFUN (Fpop_to_buffer
, 3);
2821 EXFUN (Fother_buffer
, 3);
2822 EXFUN (Foverlay_get
, 2);
2823 EXFUN (Fbuffer_modified_p
, 1);
2824 EXFUN (Fset_buffer_modified_p
, 1);
2825 EXFUN (Fkill_buffer
, 1);
2826 EXFUN (Fkill_all_local_variables
, 0);
2827 EXFUN (Fbuffer_disable_undo
, 1);
2828 EXFUN (Fbuffer_enable_undo
, 1);
2829 EXFUN (Ferase_buffer
, 0);
2830 extern Lisp_Object Qoverlayp
;
2831 extern Lisp_Object Qevaporate
;
2832 extern Lisp_Object get_truename_buffer
P_ ((Lisp_Object
));
2833 extern struct buffer
*all_buffers
;
2834 EXFUN (Fprevious_overlay_change
, 1);
2835 EXFUN (Fbuffer_file_name
, 1);
2836 extern void init_buffer_once
P_ ((void));
2837 extern void init_buffer
P_ ((void));
2838 extern void syms_of_buffer
P_ ((void));
2839 extern void keys_of_buffer
P_ ((void));
2841 /* defined in marker.c */
2843 EXFUN (Fmarker_position
, 1);
2844 EXFUN (Fmarker_buffer
, 1);
2845 EXFUN (Fcopy_marker
, 2);
2846 EXFUN (Fset_marker
, 3);
2847 extern int marker_position
P_ ((Lisp_Object
));
2848 extern int marker_byte_position
P_ ((Lisp_Object
));
2849 extern void clear_charpos_cache
P_ ((struct buffer
*));
2850 extern int charpos_to_bytepos
P_ ((int));
2851 extern int buf_charpos_to_bytepos
P_ ((struct buffer
*, int));
2852 extern int buf_bytepos_to_charpos
P_ ((struct buffer
*, int));
2853 extern void unchain_marker
P_ ((struct Lisp_Marker
*marker
));
2854 extern Lisp_Object set_marker_restricted
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
));
2855 extern Lisp_Object set_marker_both
P_ ((Lisp_Object
, Lisp_Object
, int, int));
2856 extern Lisp_Object set_marker_restricted_both
P_ ((Lisp_Object
, Lisp_Object
,
2858 extern void syms_of_marker
P_ ((void));
2860 /* Defined in fileio.c */
2862 extern Lisp_Object Qfile_error
;
2863 EXFUN (Ffind_file_name_handler
, 2);
2864 EXFUN (Ffile_name_as_directory
, 1);
2865 EXFUN (Fmake_temp_name
, 1);
2866 EXFUN (Fexpand_file_name
, 2);
2867 EXFUN (Ffile_name_nondirectory
, 1);
2868 EXFUN (Fsubstitute_in_file_name
, 1);
2869 EXFUN (Ffile_symlink_p
, 1);
2870 EXFUN (Fverify_visited_file_modtime
, 1);
2871 EXFUN (Ffile_exists_p
, 1);
2872 EXFUN (Ffile_name_absolute_p
, 1);
2873 EXFUN (Fdirectory_file_name
, 1);
2874 EXFUN (Ffile_name_directory
, 1);
2875 extern Lisp_Object expand_and_dir_to_file
P_ ((Lisp_Object
, Lisp_Object
));
2876 EXFUN (Ffile_accessible_directory_p
, 1);
2877 EXFUN (Funhandled_file_name_directory
, 1);
2878 EXFUN (Ffile_directory_p
, 1);
2879 EXFUN (Fwrite_region
, 7);
2880 EXFUN (Ffile_readable_p
, 1);
2881 EXFUN (Ffile_executable_p
, 1);
2882 EXFUN (Fread_file_name
, 6);
2883 extern Lisp_Object close_file_unwind
P_ ((Lisp_Object
));
2884 extern void report_file_error
P_ ((const char *, Lisp_Object
)) NO_RETURN
;
2885 extern int internal_delete_file
P_ ((Lisp_Object
));
2886 extern void syms_of_fileio
P_ ((void));
2887 extern void init_fileio_once
P_ ((void));
2888 extern Lisp_Object make_temp_name
P_ ((Lisp_Object
, int));
2889 EXFUN (Fmake_symbolic_link
, 3);
2891 /* Defined in abbrev.c */
2893 extern void syms_of_abbrev
P_ ((void));
2895 /* defined in search.c */
2896 extern void shrink_regexp_cache
P_ ((void));
2897 EXFUN (Fstring_match
, 3);
2898 extern void restore_search_regs
P_ ((void));
2899 EXFUN (Fmatch_data
, 3);
2900 EXFUN (Fset_match_data
, 2);
2901 EXFUN (Fmatch_beginning
, 1);
2902 EXFUN (Fmatch_end
, 1);
2903 extern void record_unwind_save_match_data
P_ ((void));
2904 EXFUN (Flooking_at
, 1);
2905 extern int fast_string_match
P_ ((Lisp_Object
, Lisp_Object
));
2906 extern int fast_c_string_match_ignore_case
P_ ((Lisp_Object
, const char *));
2907 extern int fast_string_match_ignore_case
P_ ((Lisp_Object
, Lisp_Object
));
2908 extern int scan_buffer
P_ ((int, int, int, int, int *, int));
2909 extern int scan_newline
P_ ((int, int, int, int, int, int));
2910 extern int find_next_newline
P_ ((int, int));
2911 extern int find_next_newline_no_quit
P_ ((int, int));
2912 extern int find_before_next_newline
P_ ((int, int, int));
2913 extern void syms_of_search
P_ ((void));
2914 extern void clear_regexp_cache
P_ ((void));
2916 /* defined in minibuf.c */
2918 extern Lisp_Object last_minibuf_string
;
2919 extern void choose_minibuf_frame
P_ ((void));
2920 EXFUN (Fcompleting_read
, 8);
2921 EXFUN (Fread_from_minibuffer
, 7);
2922 EXFUN (Fread_variable
, 2);
2923 EXFUN (Fread_buffer
, 3);
2924 EXFUN (Fread_minibuffer
, 2);
2925 EXFUN (Feval_minibuffer
, 2);
2926 EXFUN (Fread_string
, 5);
2927 EXFUN (Fread_no_blanks_input
, 3);
2928 extern Lisp_Object get_minibuffer
P_ ((int));
2929 extern void temp_echo_area_glyphs
P_ ((Lisp_Object
));
2930 extern void init_minibuf_once
P_ ((void));
2931 extern void syms_of_minibuf
P_ ((void));
2932 extern void keys_of_minibuf
P_ ((void));
2934 /* Defined in callint.c */
2936 extern Lisp_Object Qminus
, Qplus
, Vcurrent_prefix_arg
;
2937 extern Lisp_Object Vcommand_history
;
2938 extern Lisp_Object Qcall_interactively
, Qmouse_leave_buffer_hook
;
2939 EXFUN (Fcall_interactively
, 3);
2940 EXFUN (Fprefix_numeric_value
, 1);
2941 extern void syms_of_callint
P_ ((void));
2943 /* defined in casefiddle.c */
2945 EXFUN (Fdowncase
, 1);
2947 EXFUN (Fcapitalize
, 1);
2948 EXFUN (Fupcase_region
, 2);
2949 EXFUN (Fupcase_initials
, 1);
2950 EXFUN (Fupcase_initials_region
, 2);
2951 extern void syms_of_casefiddle
P_ ((void));
2952 extern void keys_of_casefiddle
P_ ((void));
2954 /* defined in casetab.c */
2956 EXFUN (Fset_case_table
, 1);
2957 EXFUN (Fset_standard_case_table
, 1);
2958 extern void init_casetab_once
P_ ((void));
2959 extern void syms_of_casetab
P_ ((void));
2961 /* defined in keyboard.c */
2964 extern Lisp_Object echo_message_buffer
;
2965 extern struct kboard
*echo_kboard
;
2966 extern void cancel_echoing
P_ ((void));
2967 extern Lisp_Object Qdisabled
, QCfilter
;
2968 extern Lisp_Object Vtty_erase_char
, Vhelp_form
, Vtop_level
;
2969 extern Lisp_Object Vthrow_on_input
;
2970 extern int input_pending
;
2971 EXFUN (Fdiscard_input
, 0);
2972 EXFUN (Frecursive_edit
, 0);
2973 EXFUN (Ftop_level
, 0);
2974 EXFUN (Fcommand_execute
, 4);
2975 EXFUN (Finput_pending_p
, 0);
2976 extern Lisp_Object menu_bar_items
P_ ((Lisp_Object
));
2977 extern Lisp_Object tool_bar_items
P_ ((Lisp_Object
, int *));
2978 extern Lisp_Object Qvertical_scroll_bar
;
2979 extern void discard_mouse_events
P_ ((void));
2980 EXFUN (Fevent_convert_list
, 1);
2981 EXFUN (Fread_key_sequence
, 5);
2982 EXFUN (Fset_input_mode
, 4);
2983 extern int detect_input_pending
P_ ((void));
2984 extern int detect_input_pending_ignore_squeezables
P_ ((void));
2985 extern int detect_input_pending_run_timers
P_ ((int));
2986 extern void safe_run_hooks
P_ ((Lisp_Object
));
2987 extern void cmd_error_internal
P_ ((Lisp_Object
, char *));
2988 extern Lisp_Object command_loop_1
P_ ((void));
2989 extern Lisp_Object recursive_edit_1
P_ ((void));
2990 extern void record_auto_save
P_ ((void));
2991 extern void init_keyboard
P_ ((void));
2992 extern void syms_of_keyboard
P_ ((void));
2993 extern void keys_of_keyboard
P_ ((void));
2994 extern char *push_key_description
P_ ((unsigned int, char *, int));
2997 /* defined in indent.c */
2998 EXFUN (Fvertical_motion
, 2);
2999 EXFUN (Findent_to
, 2);
3000 EXFUN (Fcurrent_column
, 0);
3001 EXFUN (Fmove_to_column
, 2);
3002 extern double current_column
P_ ((void));
3003 extern void invalidate_current_column
P_ ((void));
3004 extern int indented_beyond_p
P_ ((int, int, double));
3005 extern void syms_of_indent
P_ ((void));
3007 /* defined in frame.c */
3008 #ifdef HAVE_WINDOW_SYSTEM
3009 extern Lisp_Object Vx_resource_name
;
3010 extern Lisp_Object Vx_resource_class
;
3011 #endif /* HAVE_WINDOW_SYSTEM */
3012 extern Lisp_Object Qvisible
;
3013 extern void store_frame_param
P_ ((struct frame
*, Lisp_Object
, Lisp_Object
));
3014 extern void store_in_alist
P_ ((Lisp_Object
*, Lisp_Object
, Lisp_Object
));
3015 extern Lisp_Object do_switch_frame
P_ ((Lisp_Object
, int, int));
3016 extern Lisp_Object get_frame_param
P_ ((struct frame
*, Lisp_Object
));
3017 extern Lisp_Object frame_buffer_predicate
P_ ((Lisp_Object
));
3019 EXFUN (Fselect_frame
, 1);
3020 EXFUN (Fselected_frame
, 0);
3021 EXFUN (Fwindow_frame
, 1);
3022 EXFUN (Fframe_root_window
, 1);
3023 EXFUN (Fframe_first_window
, 1);
3024 EXFUN (Fframe_selected_window
, 1);
3025 EXFUN (Fframe_list
, 0);
3026 EXFUN (Fnext_frame
, 2);
3027 EXFUN (Fdelete_frame
, 2);
3028 EXFUN (Fset_mouse_position
, 3);
3029 EXFUN (Fmake_frame_visible
, 1);
3030 EXFUN (Fmake_frame_invisible
, 2);
3031 EXFUN (Ficonify_frame
, 1);
3032 EXFUN (Fframe_visible_p
, 1);
3033 EXFUN (Fvisible_frame_list
, 0);
3034 EXFUN (Fframe_parameter
, 2);
3035 EXFUN (Fframe_parameters
, 1);
3036 EXFUN (Fmodify_frame_parameters
, 2);
3037 EXFUN (Fset_frame_height
, 3);
3038 EXFUN (Fset_frame_width
, 3);
3039 EXFUN (Fset_frame_size
, 3);
3040 EXFUN (Fset_frame_position
, 3);
3041 EXFUN (Fraise_frame
, 1);
3042 EXFUN (Fredirect_frame_focus
, 2);
3043 EXFUN (Fset_frame_selected_window
, 2);
3044 extern Lisp_Object frame_buffer_list
P_ ((Lisp_Object
));
3045 extern void frames_discard_buffer
P_ ((Lisp_Object
));
3046 extern void set_frame_buffer_list
P_ ((Lisp_Object
, Lisp_Object
));
3047 extern void frames_bury_buffer
P_ ((Lisp_Object
));
3048 extern void syms_of_frame
P_ ((void));
3050 /* defined in emacs.c */
3051 extern Lisp_Object decode_env_path
P_ ((char *, char *));
3052 extern Lisp_Object Vinvocation_name
, Vinvocation_directory
;
3053 extern Lisp_Object Vinstallation_directory
;
3054 extern Lisp_Object empty_unibyte_string
, empty_multibyte_string
;
3055 EXFUN (Fkill_emacs
, 1);
3057 void fixup_locale
P_ ((void));
3058 void synchronize_system_messages_locale
P_ ((void));
3059 void synchronize_system_time_locale
P_ ((void));
3061 #define setlocale(category, locale)
3062 #define fixup_locale()
3063 #define synchronize_system_messages_locale()
3064 #define synchronize_system_time_locale()
3066 void shut_down_emacs
P_ ((int, int, Lisp_Object
));
3067 /* Nonzero means don't do interactive redisplay and don't change tty modes */
3068 extern int noninteractive
;
3069 /* Nonzero means don't do use window-system-specific display code */
3070 extern int inhibit_window_system
;
3071 /* Nonzero means that a filter or a sentinel is running. */
3072 extern int running_asynch_code
;
3074 /* defined in process.c */
3075 EXFUN (Fget_process
, 1);
3076 EXFUN (Fget_buffer_process
, 1);
3077 EXFUN (Fprocessp
, 1);
3078 EXFUN (Fprocess_status
, 1);
3079 EXFUN (Fkill_process
, 2);
3080 EXFUN (Fprocess_send_eof
, 1);
3081 EXFUN (Fwaiting_for_user_input_p
, 0);
3082 extern Lisp_Object Qprocessp
;
3083 extern void kill_buffer_processes
P_ ((Lisp_Object
));
3084 extern int wait_reading_process_output
P_ ((int, int, int, int,
3086 struct Lisp_Process
*,
3088 extern void add_keyboard_wait_descriptor
P_ ((int));
3089 extern void delete_keyboard_wait_descriptor
P_ ((int));
3090 extern void add_gpm_wait_descriptor
P_ ((int));
3091 extern void delete_gpm_wait_descriptor
P_ ((int));
3092 extern void close_process_descs
P_ ((void));
3093 extern void init_process
P_ ((void));
3094 extern void syms_of_process
P_ ((void));
3095 extern void setup_process_coding_systems
P_ ((Lisp_Object
));
3097 /* defined in callproc.c */
3098 extern Lisp_Object Vexec_path
, Vexec_suffixes
,
3099 Vexec_directory
, Vdata_directory
;
3100 extern Lisp_Object Vdoc_directory
;
3101 EXFUN (Fcall_process
, MANY
);
3102 extern int child_setup
P_ ((int, int, int, char **, int, Lisp_Object
));
3103 extern void init_callproc_1
P_ ((void));
3104 extern void init_callproc
P_ ((void));
3105 extern void set_process_environment
P_ ((void));
3106 extern void syms_of_callproc
P_ ((void));
3108 /* defined in doc.c */
3109 extern Lisp_Object Vdoc_file_name
;
3110 EXFUN (Fsubstitute_command_keys
, 1);
3111 EXFUN (Fdocumentation
, 2);
3112 EXFUN (Fdocumentation_property
, 3);
3113 extern Lisp_Object read_doc_string
P_ ((Lisp_Object
));
3114 extern Lisp_Object get_doc_string
P_ ((Lisp_Object
, int, int));
3115 extern void syms_of_doc
P_ ((void));
3116 extern int read_bytecode_char
P_ ((int));
3118 /* defined in bytecode.c */
3119 extern Lisp_Object Qbytecode
;
3120 EXFUN (Fbyte_code
, 3);
3121 extern void syms_of_bytecode
P_ ((void));
3122 extern struct byte_stack
*byte_stack_list
;
3123 extern void mark_byte_stack
P_ ((void));
3124 extern void unmark_byte_stack
P_ ((void));
3126 /* defined in macros.c */
3127 extern Lisp_Object Qexecute_kbd_macro
;
3128 EXFUN (Fexecute_kbd_macro
, 3);
3129 EXFUN (Fcancel_kbd_macro_events
, 0);
3130 extern void init_macros
P_ ((void));
3131 extern void syms_of_macros
P_ ((void));
3133 /* defined in undo.c */
3134 extern Lisp_Object Qinhibit_read_only
;
3135 EXFUN (Fundo_boundary
, 0);
3136 extern void truncate_undo_list
P_ ((struct buffer
*));
3137 extern void record_marker_adjustment
P_ ((Lisp_Object
, int));
3138 extern void record_insert
P_ ((int, int));
3139 extern void record_delete
P_ ((int, Lisp_Object
));
3140 extern void record_first_change
P_ ((void));
3141 extern void record_change
P_ ((int, int));
3142 extern void record_property_change
P_ ((int, int, Lisp_Object
, Lisp_Object
,
3144 extern void syms_of_undo
P_ ((void));
3145 extern Lisp_Object Vundo_outer_limit
;
3147 /* defined in textprop.c */
3148 extern Lisp_Object Qfont
, Qmouse_face
;
3149 extern Lisp_Object Qinsert_in_front_hooks
, Qinsert_behind_hooks
;
3150 EXFUN (Fnext_single_property_change
, 4);
3151 EXFUN (Fnext_single_char_property_change
, 4);
3152 EXFUN (Fprevious_single_property_change
, 4);
3153 EXFUN (Fget_text_property
, 3);
3154 EXFUN (Fput_text_property
, 5);
3155 EXFUN (Fprevious_char_property_change
, 2);
3156 EXFUN (Fnext_char_property_change
, 2);
3157 extern void report_interval_modification
P_ ((Lisp_Object
, Lisp_Object
));
3158 extern Lisp_Object next_single_char_property_change
P_ ((Lisp_Object
,
3163 /* defined in xmenu.c */
3164 EXFUN (Fx_popup_menu
, 2);
3165 EXFUN (Fx_popup_dialog
, 3);
3166 extern void syms_of_xmenu
P_ ((void));
3168 /* defined in sysdep.c */
3169 #ifndef HAVE_GET_CURRENT_DIR_NAME
3170 extern char *get_current_dir_name
P_ ((void));
3172 extern void stuff_char
P_ ((char c
));
3173 extern void init_sigio
P_ ((int));
3174 extern void request_sigio
P_ ((void));
3175 extern void unrequest_sigio
P_ ((void));
3176 extern void reset_sys_modes
P_ ((void));
3177 extern void sys_subshell
P_ ((void));
3178 extern void sys_suspend
P_ ((void));
3179 extern void discard_tty_input
P_ ((void));
3180 extern void init_sys_modes
P_ ((void));
3181 extern void get_frame_size
P_ ((int *, int *));
3182 extern void wait_for_termination
P_ ((int));
3183 extern void flush_pending_output
P_ ((int));
3184 extern void child_setup_tty
P_ ((int));
3185 extern void setup_pty
P_ ((int));
3186 extern int set_window_size
P_ ((int, int, int));
3187 extern void create_process
P_ ((Lisp_Object
, char **, Lisp_Object
));
3188 extern int tabs_safe_p
P_ ((void));
3189 extern void init_baud_rate
P_ ((void));
3190 extern int emacs_open
P_ ((const char *, int, int));
3191 extern int emacs_close
P_ ((int));
3192 extern int emacs_read
P_ ((int, char *, unsigned int));
3193 extern int emacs_write
P_ ((int, const char *, unsigned int));
3195 /* defined in filelock.c */
3196 EXFUN (Funlock_buffer
, 0);
3197 EXFUN (Ffile_locked_p
, 1);
3198 extern void unlock_all_files
P_ ((void));
3199 extern void lock_file
P_ ((Lisp_Object
));
3200 extern void unlock_file
P_ ((Lisp_Object
));
3201 extern void unlock_buffer
P_ ((struct buffer
*));
3202 extern void syms_of_filelock
P_ ((void));
3203 extern void init_filelock
P_ ((void));
3205 /* Defined in sound.c */
3206 extern void syms_of_sound
P_ ((void));
3207 extern void init_sound
P_ ((void));
3209 /* Defined in category.c */
3210 extern void init_category_once
P_ ((void));
3211 extern Lisp_Object char_category_set
P_ ((int));
3212 extern void syms_of_category
P_ ((void));
3214 /* Defined in ccl.c */
3215 extern void syms_of_ccl
P_ ((void));
3217 /* Defined in dired.c */
3218 EXFUN (Ffile_attributes
, 2);
3219 extern void syms_of_dired
P_ ((void));
3221 /* Defined in term.c */
3222 extern void syms_of_term
P_ ((void));
3223 extern void fatal () NO_RETURN
;
3225 #ifdef HAVE_WINDOW_SYSTEM
3226 /* Defined in fontset.c */
3227 extern void syms_of_fontset
P_ ((void));
3228 EXFUN (Fset_fontset_font
, 5);
3229 EXFUN (Fnew_fontset
, 2);
3231 /* Defined in xfns.c, w32fns.c, or macfns.c */
3232 EXFUN (Fxw_display_color_p
, 1);
3233 EXFUN (Fx_file_dialog
, 5);
3236 /* Defined in xfaces.c */
3237 EXFUN (Fclear_face_cache
, 1);
3238 extern void syms_of_xfaces
P_ ((void));
3240 #ifndef HAVE_GETLOADAVG
3241 /* Defined in getloadavg.c */
3242 extern int getloadavg
P_ ((double *, int));
3245 #ifdef HAVE_X_WINDOWS
3246 /* Defined in xfns.c */
3247 extern void syms_of_xfns
P_ ((void));
3249 /* Defined in xsmfns.c */
3250 extern void syms_of_xsmfns
P_ ((void));
3252 /* Defined in xselect.c */
3253 EXFUN (Fx_send_client_event
, 6);
3254 extern void syms_of_xselect
P_ ((void));
3256 /* Defined in xterm.c */
3257 extern void syms_of_xterm
P_ ((void));
3258 #endif /* HAVE_X_WINDOWS */
3261 /* Defined in msdos.c */
3262 EXFUN (Fmsdos_downcase_filename
, 1);
3266 /* Defined in macfns.c */
3267 extern void syms_of_macfns
P_ ((void));
3269 /* Defined in macselect.c */
3270 extern void syms_of_macselect
P_ ((void));
3272 /* Defined in macterm.c */
3273 extern void syms_of_macterm
P_ ((void));
3275 /* Defined in macmenu.c */
3276 extern void syms_of_macmenu
P_ ((void));
3278 /* Defined in mac.c */
3279 extern void syms_of_mac
P_ ((void));
3281 extern void init_mac_osx_environment
P_ ((void));
3282 #endif /* MAC_OSX */
3285 /* Nonzero means Emacs has already been initialized.
3286 Used during startup to detect startup of dumped Emacs. */
3287 extern int initialized
;
3289 extern int immediate_quit
; /* Nonzero means ^G can quit instantly */
3291 extern POINTER_TYPE
*xmalloc
P_ ((size_t));
3292 extern POINTER_TYPE
*xrealloc
P_ ((POINTER_TYPE
*, size_t));
3293 extern void xfree
P_ ((POINTER_TYPE
*));
3295 extern char *xstrdup
P_ ((const char *));
3297 extern char *egetenv
P_ ((char *));
3299 /* Set up the name of the machine we're running on. */
3300 extern void init_system_name
P_ ((void));
3302 /* Some systems (e.g., NT) use a different path separator than Unix,
3303 in addition to a device separator. Default the path separator
3304 to '/', and don't test for a device separator in IS_ANY_SEP. */
3307 extern Lisp_Object Vdirectory_sep_char
;
3310 #ifndef DIRECTORY_SEP
3311 #define DIRECTORY_SEP '/'
3313 #ifndef IS_DIRECTORY_SEP
3314 #define IS_DIRECTORY_SEP(_c_) ((_c_) == DIRECTORY_SEP)
3316 #ifndef IS_DEVICE_SEP
3318 #define IS_DEVICE_SEP(_c_) 0
3320 #define IS_DEVICE_SEP(_c_) ((_c_) == DEVICE_SEP)
3324 #define IS_ANY_SEP(_c_) (IS_DIRECTORY_SEP (_c_))
3327 #ifdef SWITCH_ENUM_BUG
3328 #define SWITCH_ENUM_CAST(x) ((int)(x))
3330 #define SWITCH_ENUM_CAST(x) (x)
3333 /* Loop over Lisp list LIST. Signal an error if LIST is not a proper
3334 list, or if it contains circles.
3336 HARE and TORTOISE should be the names of Lisp_Object variables, and
3337 N should be the name of an EMACS_INT variable declared in the
3338 function where the macro is used. Each nested loop should use
3341 In the loop body, HARE is set to each cons of LIST, and N is the
3342 length of the list processed so far. */
3344 #define LIST_END_P(list, obj) \
3349 : (wrong_type_argument (Qlistp, (list))), 1))
3351 #define FOREACH(hare, list, tortoise, n) \
3352 for (tortoise = hare = (list), n = 0; \
3353 !LIST_END_P (list, hare); \
3354 (hare = XCDR (hare), ++n, \
3356 ? (tortoise = XCDR (tortoise), \
3357 (EQ (hare, tortoise) \
3358 && (circular_list_error ((list)), 1))) \
3361 /* The ubiquitous min and max macros. */
3367 #define min(a, b) ((a) < (b) ? (a) : (b))
3368 #define max(a, b) ((a) > (b) ? (a) : (b))
3370 /* Return a fixnum or float, depending on whether VAL fits in a Lisp
3373 #define make_fixnum_or_float(val) \
3374 (FIXNUM_OVERFLOW_P (val) \
3375 ? make_float (val) \
3376 : make_number ((EMACS_INT)(val)))
3379 /* Checks the `cycle check' variable CHECK to see if it indicates that
3380 EL is part of a cycle; CHECK must be either Qnil or a value returned
3381 by an earlier use of CYCLE_CHECK. SUSPICIOUS is the number of
3382 elements after which a cycle might be suspected; after that many
3383 elements, this macro begins consing in order to keep more precise
3386 Returns nil if a cycle was detected, otherwise a new value for CHECK
3389 CHECK is evaluated multiple times, EL and SUSPICIOUS 0 or 1 times, so
3390 the caller should make sure that's ok. */
3392 #define CYCLE_CHECK(check, el, suspicious) \
3395 : (INTEGERP (check) \
3396 ? (XFASTINT (check) < (suspicious) \
3397 ? make_number (XFASTINT (check) + 1) \
3398 : Fcons (el, Qnil)) \
3399 : (!NILP (Fmemq ((el), (check))) \
3401 : Fcons ((el), (check)))))
3404 /* SAFE_ALLOCA normally allocates memory on the stack, but if size is
3405 larger than MAX_ALLOCA, use xmalloc to avoid overflowing the stack. */
3407 #define MAX_ALLOCA 16*1024
3409 extern Lisp_Object
safe_alloca_unwind (Lisp_Object
);
3411 #define USE_SAFE_ALLOCA \
3412 int sa_count = SPECPDL_INDEX (), sa_must_free = 0
3414 /* SAFE_ALLOCA allocates a simple buffer. */
3416 #define SAFE_ALLOCA(buf, type, size) \
3418 if ((size) < MAX_ALLOCA) \
3419 buf = (type) alloca (size); \
3422 buf = (type) xmalloc (size); \
3424 record_unwind_protect (safe_alloca_unwind, \
3425 make_save_value (buf, 0)); \
3429 /* SAFE_FREE frees xmalloced memory and enables GC as needed. */
3431 #define SAFE_FREE() \
3433 if (sa_must_free) { \
3435 unbind_to (sa_count, Qnil); \
3440 /* SAFE_ALLOCA_LISP allocates an array of Lisp_Objects. */
3442 #define SAFE_ALLOCA_LISP(buf, nelt) \
3444 int size_ = (nelt) * sizeof (Lisp_Object); \
3445 if (size_ < MAX_ALLOCA) \
3446 buf = (Lisp_Object *) alloca (size_); \
3450 buf = (Lisp_Object *) xmalloc (size_); \
3451 arg_ = make_save_value (buf, nelt); \
3452 XSAVE_VALUE (arg_)->dogc = 1; \
3454 record_unwind_protect (safe_alloca_unwind, arg_); \
3459 #endif /* EMACS_LISP_H */
3461 /* arch-tag: 9b2ed020-70eb-47ac-94ee-e1c2a5107d5e
3462 (do not change this comment) */