1 /* Fundamental definitions for GNU Emacs Lisp interpreter.
2 Copyright (C) 1985,86,87,93,94,95,97,98,1999,2000,01,02,03,2004
3 Free Software Foundation, Inc.
5 This file is part of GNU Emacs.
7 GNU Emacs is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2, or (at your option)
12 GNU Emacs is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with GNU Emacs; see the file COPYING. If not, write to
19 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
20 Boston, MA 02111-1307, USA. */
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 */
57 /* These are default choices for the types to use. */
60 #define EMACS_INT long
61 #define BITS_PER_EMACS_INT BITS_PER_LONG
64 #define EMACS_UINT unsigned long
69 #define BITS_PER_EMACS_INT BITS_PER_INT
72 #define EMACS_UINT unsigned int
76 /* Extra internal type checking? */
77 extern int suppress_checking
;
78 extern void die
P_((const char *, const char *, int));
80 #ifdef ENABLE_CHECKING
82 #define CHECK(check,msg) (((check) || suppress_checking \
84 : die ((msg), __FILE__, __LINE__)), \
88 /* Produce same side effects and result, but don't complain. */
89 #define CHECK(check,msg) ((check),0)
93 /* Used for making sure that Emacs is compilable in all
96 #ifdef USE_LISP_UNION_TYPE
100 /* Define an Emacs version of "assert", since some system ones are
102 #ifndef ENABLE_CHECKING
103 #define eassert(X) (void) 0
104 #else /* ENABLE_CHECKING */
105 #if defined (__GNUC__) && __GNUC__ >= 2 && defined (__STDC__)
106 #define eassert(cond) CHECK(cond,"assertion failed: " #cond)
108 #define eassert(cond) CHECK(cond,"assertion failed")
110 #endif /* ENABLE_CHECKING */
112 /* Define the fundamental Lisp data structures. */
114 /* This is the set of Lisp data types. */
118 /* Integer. XINT (obj) is the integer value. */
121 /* Symbol. XSYMBOL (object) points to a struct Lisp_Symbol. */
124 /* Miscellaneous. XMISC (object) points to a union Lisp_Misc,
125 whose first member indicates the subtype. */
128 /* String. XSTRING (object) points to a struct Lisp_String.
129 The length of the string, and its contents, are stored therein. */
132 /* Vector of Lisp objects, or something resembling it.
133 XVECTOR (object) points to a struct Lisp_Vector, which contains
134 the size and contents. The size field also contains the type
135 information, if it's not a real vector object. */
138 /* Cons. XCONS (object) points to a struct Lisp_Cons. */
143 /* This is not a type code. It is for range checking. */
147 /* This is the set of data types that share a common structure.
148 The first member of the structure is a type code from this set.
149 The enum values are arbitrary, but we'll use large numbers to make it
150 more likely that we'll spot the error if a random word in memory is
151 mistakenly interpreted as a Lisp_Misc. */
154 Lisp_Misc_Free
= 0x5eab,
159 Lisp_Misc_Buffer_Objfwd
,
160 Lisp_Misc_Buffer_Local_Value
,
161 Lisp_Misc_Some_Buffer_Local_Value
,
163 Lisp_Misc_Kboard_Objfwd
,
164 Lisp_Misc_Save_Value
,
165 /* Currently floats are not a misc type,
166 but let's define this in case we want to change that. */
168 /* This is not a type code. It is for range checking. */
176 /* These values are overridden by the m- file on some machines. */
178 #define VALBITS (BITS_PER_EMACS_INT - GCTYPEBITS)
181 #ifndef NO_UNION_TYPE
183 #ifndef WORDS_BIG_ENDIAN
185 /* Definition of Lisp_Object for little-endian machines. */
190 /* Used for comparing two Lisp_Objects;
191 also, positive integers can be accessed fast this way. */
196 EMACS_INT val
: VALBITS
;
197 enum Lisp_Type type
: GCTYPEBITS
;
201 EMACS_UINT val
: VALBITS
;
202 enum Lisp_Type type
: GCTYPEBITS
;
207 #else /* If WORDS_BIG_ENDIAN */
212 /* Used for comparing two Lisp_Objects;
213 also, positive integers can be accessed fast this way. */
218 enum Lisp_Type type
: GCTYPEBITS
;
219 EMACS_INT val
: VALBITS
;
223 enum Lisp_Type type
: GCTYPEBITS
;
224 EMACS_UINT val
: VALBITS
;
229 #endif /* WORDS_BIG_ENDIAN */
232 static __inline__ Lisp_Object
233 LISP_MAKE_RVALUE (Lisp_Object o
)
238 /* This isn't quite right - it keeps the argument as an lvalue.
239 Making it const via casting would help avoid code actually
240 modifying the location in question, but the casting could cover
241 other type-related bugs. */
242 #define LISP_MAKE_RVALUE(o) (o)
245 #endif /* NO_UNION_TYPE */
248 /* If union type is not wanted, define Lisp_Object as just a number. */
251 #define Lisp_Object EMACS_INT
252 #define LISP_MAKE_RVALUE(o) (0+(o))
253 #endif /* NO_UNION_TYPE */
255 /* Two flags that are set during GC. On some machines, these flags
256 are defined differently by the m- file. */
258 /* In the size word of a vector, this bit means the vector has been marked. */
260 #ifndef ARRAY_MARK_FLAG
261 #define ARRAY_MARK_FLAG ((EMACS_INT) ((EMACS_UINT) 1 << (VALBITS + GCTYPEBITS - 1)))
262 #endif /* no ARRAY_MARK_FLAG */
264 /* In the size word of a struct Lisp_Vector, this bit means it's really
265 some other vector-like object. */
266 #ifndef PSEUDOVECTOR_FLAG
267 #define PSEUDOVECTOR_FLAG ((ARRAY_MARK_FLAG >> 1) & ~ARRAY_MARK_FLAG)
270 /* In a pseudovector, the size field actually contains a word with one
271 PSEUDOVECTOR_FLAG bit set, and exactly one of the following bits to
272 indicate the actual type. */
275 PVEC_NORMAL_VECTOR
= 0,
276 PVEC_PROCESS
= 0x200,
278 PVEC_COMPILED
= 0x800,
279 PVEC_WINDOW
= 0x1000,
280 PVEC_WINDOW_CONFIGURATION
= 0x2000,
282 PVEC_CHAR_TABLE
= 0x8000,
283 PVEC_BOOL_VECTOR
= 0x10000,
284 PVEC_BUFFER
= 0x20000,
285 PVEC_HASH_TABLE
= 0x40000,
286 PVEC_SUB_CHAR_TABLE
= 0x80000,
287 PVEC_TYPE_MASK
= 0x0ffe00
289 #if 0 /* This is used to make the value of PSEUDOVECTOR_FLAG available to
290 GDB. It doesn't work on OS Alpha. Moved to a variable in
292 PVEC_FLAG
= PSEUDOVECTOR_FLAG
296 /* For convenience, we also store the number of elements in these bits. */
297 #define PSEUDOVECTOR_SIZE_MASK 0x1ff
299 /* Number of bits to put in each character in the internal representation
300 of bool vectors. This should not vary across implementations. */
301 #define BOOL_VECTOR_BITS_PER_CHAR 8
303 /***** Select the tagging scheme. *****/
304 /* There are basically two options that control the tagging scheme:
305 - NO_UNION_TYPE says that Lisp_Object should be an integer instead
307 - USE_LSB_TAG means that we can assume the least 3 bits of pointers are
308 always 0, and we can thus use them to hold tag bits, without
309 restricting our addressing space.
311 If USE_LSB_TAG is not set, then we use the top 3 bits for tagging, thus
312 restricting our possible address range. Currently USE_LSB_TAG is not
313 allowed together with a union. This is not due to any fundamental
314 technical (or political ;-) problem: nobody wrote the code to do it yet.
316 USE_LSB_TAG not only requires the least 3 bits of pointers returned by
317 malloc to be 0 but also needs to be able to impose a mult-of-8 alignment
318 on the few static Lisp_Objects used: all the defsubr as well
319 as the two special buffers buffer_defaults and buffer_local_symbols. */
321 /* First, try and define DECL_ALIGN(type,var) which declares a static
322 variable VAR of type TYPE with the added requirement that it be
324 #ifndef NO_DECL_ALIGN
326 /* What compiler directive should we use for non-gcc compilers? -stef */
327 # if defined (__GNUC__)
328 # define DECL_ALIGN(type, var) \
329 type __attribute__ ((__aligned__ (1 << GCTYPEBITS))) var
334 /* Let's USE_LSB_TAG on systems where we know malloc returns mult-of-8. */
335 #if defined GNU_MALLOC || defined DOUG_LEA_MALLOC || defined __GLIBC__ || defined MAC_OSX
336 /* We also need to be able to specify mult-of-8 alignment on static vars. */
337 # if defined DECL_ALIGN
338 /* We currently do not support USE_LSB_TAG with a union Lisp_Object. */
339 # if defined NO_UNION_TYPE
345 /* If we cannot use 8-byte alignment, make DECL_ALIGN a no-op. */
348 # error "USE_LSB_TAG used without defining DECL_ALIGN"
350 # define DECL_ALIGN(type, var) type var
354 /* These macros extract various sorts of values from a Lisp_Object.
355 For example, if tem is a Lisp_Object whose type is Lisp_Cons,
356 XCONS (tem) is the struct Lisp_Cons * pointing to the memory for that cons. */
362 #define TYPEMASK ((((EMACS_INT) 1) << GCTYPEBITS) - 1)
363 #define XTYPE(a) ((enum Lisp_Type) (((EMACS_UINT) (a)) & TYPEMASK))
364 #define XINT(a) (((EMACS_INT) (a)) >> GCTYPEBITS)
365 #define XUINT(a) (((EMACS_UINT) (a)) >> GCTYPEBITS)
366 #define XSET(var, type, ptr) \
367 (eassert (XTYPE (ptr) == 0), /* Check alignment. */ \
368 (var) = ((EMACS_INT) (type)) | ((EMACS_INT) (ptr)))
369 #define make_number(N) (((EMACS_INT) (N)) << GCTYPEBITS)
371 /* XFASTINT and XSETFASTINT are for use when the integer is known to be
372 positive, in which case the implementation can sometimes be faster
373 depending on the tagging scheme. With USE_LSB_TAG, there's no benefit. */
374 #define XFASTINT(a) XINT (a)
375 #define XSETFASTINT(a, b) ((a) = make_number (b))
377 #define XPNTR(a) ((EMACS_INT) ((a) & ~TYPEMASK))
379 #else /* not USE_LSB_TAG */
381 #define VALMASK ((((EMACS_INT) 1) << VALBITS) - 1)
383 /* One need to override this if there must be high bits set in data space
384 (doing the result of the below & ((1 << (GCTYPE + 1)) - 1) would work
385 on all machines, but would penalize machines which don't need it)
387 #define XTYPE(a) ((enum Lisp_Type) (((EMACS_UINT) (a)) >> VALBITS))
389 /* For integers known to be positive, XFASTINT provides fast retrieval
390 and XSETFASTINT provides fast storage. This takes advantage of the
391 fact that Lisp_Int is 0. */
392 #define XFASTINT(a) ((a) + 0)
393 #define XSETFASTINT(a, b) ((a) = (b))
395 /* Extract the value of a Lisp_Object as a signed integer. */
397 #ifndef XINT /* Some machines need to do this differently. */
398 #define XINT(a) ((((EMACS_INT) (a)) << (BITS_PER_EMACS_INT - VALBITS)) \
399 >> (BITS_PER_EMACS_INT - VALBITS))
402 /* Extract the value as an unsigned integer. This is a basis
403 for extracting it as a pointer to a structure in storage. */
406 #define XUINT(a) ((EMACS_UINT) ((a) & VALMASK))
410 #define XSET(var, type, ptr) \
411 ((var) = ((EMACS_INT)(type) << VALBITS) + ((EMACS_INT) (ptr) & VALMASK))
414 /* Convert a C integer into a Lisp_Object integer. */
416 #define make_number(N) \
417 ((((EMACS_INT) (N)) & VALMASK) | ((EMACS_INT) Lisp_Int) << VALBITS)
419 #endif /* not USE_LSB_TAG */
421 #define EQ(x, y) ((x) == (y))
423 #else /* not NO_UNION_TYPE */
425 #define XTYPE(a) ((enum Lisp_Type) (a).u.type)
427 /* For integers known to be positive, XFASTINT provides fast retrieval
428 and XSETFASTINT provides fast storage. This takes advantage of the
429 fact that Lisp_Int is 0. */
430 #define XFASTINT(a) ((a).i + 0)
431 #define XSETFASTINT(a, b) ((a).i = (b))
433 #ifdef EXPLICIT_SIGN_EXTEND
434 /* Make sure we sign-extend; compilers have been known to fail to do so. */
435 #define XINT(a) (((a).s.val << (BITS_PER_EMACS_INT - VALBITS)) \
436 >> (BITS_PER_EMACS_INT - VALBITS))
438 #define XINT(a) ((a).s.val)
439 #endif /* EXPLICIT_SIGN_EXTEND */
441 #define XUINT(a) ((a).u.val)
443 #define XSET(var, vartype, ptr) \
444 (((var).s.val = ((EMACS_INT) (ptr))), ((var).s.type = ((char) (vartype))))
446 #if __GNUC__ >= 2 && defined (__OPTIMIZE__)
447 #define make_number(N) \
448 (__extension__ ({ Lisp_Object _l; _l.s.val = (N); _l.s.type = Lisp_Int; _l; }))
450 extern Lisp_Object
make_number ();
453 #define EQ(x, y) ((x).s.val == (y).s.val && (x).s.type == (y).s.type)
455 #endif /* NO_UNION_TYPE */
457 /* During garbage collection, XGCTYPE must be used for extracting types
458 so that the mark bit is ignored. XMARKBIT accesses the markbit.
459 Markbits are used only in particular slots of particular structure types.
460 Other markbits are always zero.
461 Outside of garbage collection, all mark bits are always zero. */
464 /* The distinction does not exist now that the MARKBIT has been eliminated. */
465 #define XGCTYPE(a) XTYPE (a)
470 /* In this representation, data is found in two widely separated segments. */
471 extern size_t pure_size
;
473 (XUINT (a) | (XUINT (a) > pure_size ? DATA_SEG_BITS : PURE_SEG_BITS))
474 #else /* not HAVE_SHM */
476 /* This case is used for the rt-pc.
477 In the diffs I was given, it checked for ptr = 0
478 and did not adjust it in that case.
479 But I don't think that zero should ever be found
480 in a Lisp object whose data type says it points to something. */
481 #define XPNTR(a) (XUINT (a) | DATA_SEG_BITS)
483 #define XPNTR(a) XUINT (a)
485 #endif /* not HAVE_SHM */
486 #endif /* no XPNTR */
488 /* Largest and smallest representable fixnum values. These are the C
491 #define MOST_NEGATIVE_FIXNUM - ((EMACS_INT) 1 << (VALBITS - 1))
492 #define MOST_POSITIVE_FIXNUM (((EMACS_INT) 1 << (VALBITS - 1)) - 1)
493 /* Mask indicating the significant bits of a Lisp_Int.
494 I.e. (x & INTMASK) == XUINT (make_number (x)). */
495 #define INTMASK ((((EMACS_INT) 1) << VALBITS) - 1)
497 /* Value is non-zero if C integer I doesn't fit into a Lisp fixnum. */
499 #define FIXNUM_OVERFLOW_P(i) \
500 ((EMACS_INT)(i) > MOST_POSITIVE_FIXNUM \
501 || (EMACS_INT) (i) < MOST_NEGATIVE_FIXNUM)
503 /* Extract a value or address from a Lisp_Object. */
505 #define XCONS(a) (eassert (GC_CONSP(a)),(struct Lisp_Cons *) XPNTR(a))
506 #define XVECTOR(a) (eassert (GC_VECTORLIKEP(a)),(struct Lisp_Vector *) XPNTR(a))
507 #define XSTRING(a) (eassert (GC_STRINGP(a)),(struct Lisp_String *) XPNTR(a))
508 #define XSYMBOL(a) (eassert (GC_SYMBOLP(a)),(struct Lisp_Symbol *) XPNTR(a))
509 #define XFLOAT(a) (eassert (GC_FLOATP(a)),(struct Lisp_Float *) XPNTR(a))
513 #define XMISC(a) ((union Lisp_Misc *) XPNTR(a))
514 #define XMISCTYPE(a) (XMARKER (a)->type)
515 #define XMARKER(a) (&(XMISC(a)->u_marker))
516 #define XINTFWD(a) (&(XMISC(a)->u_intfwd))
517 #define XBOOLFWD(a) (&(XMISC(a)->u_boolfwd))
518 #define XOBJFWD(a) (&(XMISC(a)->u_objfwd))
519 #define XBUFFER_OBJFWD(a) (&(XMISC(a)->u_buffer_objfwd))
520 #define XBUFFER_LOCAL_VALUE(a) (&(XMISC(a)->u_buffer_local_value))
521 #define XOVERLAY(a) (&(XMISC(a)->u_overlay))
522 #define XKBOARD_OBJFWD(a) (&(XMISC(a)->u_kboard_objfwd))
523 #define XSAVE_VALUE(a) (&(XMISC(a)->u_save_value))
525 /* Pseudovector types. */
527 #define XPROCESS(a) (eassert (GC_PROCESSP(a)),(struct Lisp_Process *) XPNTR(a))
528 #define XWINDOW(a) (eassert (GC_WINDOWP(a)),(struct window *) XPNTR(a))
529 #define XSUBR(a) (eassert (GC_SUBRP(a)),(struct Lisp_Subr *) XPNTR(a))
530 #define XBUFFER(a) (eassert (GC_BUFFERP(a)),(struct buffer *) XPNTR(a))
531 #define XCHAR_TABLE(a) ((struct Lisp_Char_Table *) XPNTR(a))
532 #define XSUB_CHAR_TABLE(a) ((struct Lisp_Sub_Char_Table *) XPNTR(a))
533 #define XBOOL_VECTOR(a) ((struct Lisp_Bool_Vector *) XPNTR(a))
535 /* Construct a Lisp_Object from a value or address. */
537 #define XSETINT(a, b) (a) = make_number (b)
538 #define XSETCONS(a, b) XSET (a, Lisp_Cons, b)
539 #define XSETVECTOR(a, b) XSET (a, Lisp_Vectorlike, b)
540 #define XSETSTRING(a, b) XSET (a, Lisp_String, b)
541 #define XSETSYMBOL(a, b) XSET (a, Lisp_Symbol, b)
542 #define XSETFLOAT(a, b) XSET (a, Lisp_Float, b)
546 #define XSETMISC(a, b) XSET (a, Lisp_Misc, b)
547 #define XSETMARKER(a, b) (XSETMISC (a, b), XMISCTYPE (a) = Lisp_Misc_Marker)
549 /* Pseudovector types. */
551 #define XSETPSEUDOVECTOR(a, b, code) \
552 (XSETVECTOR (a, b), XVECTOR (a)->size |= PSEUDOVECTOR_FLAG | (code))
553 #define XSETWINDOW_CONFIGURATION(a, b) \
554 (XSETPSEUDOVECTOR (a, b, PVEC_WINDOW_CONFIGURATION))
555 #define XSETPROCESS(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_PROCESS))
556 #define XSETWINDOW(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_WINDOW))
557 #define XSETSUBR(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_SUBR))
558 #define XSETCOMPILED(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_COMPILED))
559 #define XSETBUFFER(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_BUFFER))
560 #define XSETCHAR_TABLE(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_CHAR_TABLE))
561 #define XSETBOOL_VECTOR(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_BOOL_VECTOR))
562 #define XSETSUB_CHAR_TABLE(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_SUB_CHAR_TABLE))
564 /* Convenience macros for dealing with Lisp arrays. */
566 #define AREF(ARRAY, IDX) XVECTOR ((ARRAY))->contents[IDX]
567 #define ASET(ARRAY, IDX, VAL) (AREF ((ARRAY), (IDX)) = (VAL))
568 #define ASIZE(ARRAY) XVECTOR ((ARRAY))->size
570 /* Convenience macros for dealing with Lisp strings. */
572 #define SREF(string, index) (XSTRING (string)->data[index] + 0)
573 #define SSET(string, index, new) (XSTRING (string)->data[index] = (new))
574 #define SDATA(string) (XSTRING (string)->data + 0)
575 #define SCHARS(string) (XSTRING (string)->size + 0)
576 #define SBYTES(string) (STRING_BYTES (XSTRING (string)) + 0)
578 #define STRING_SET_CHARS(string, newsize) \
579 (XSTRING (string)->size = (newsize))
581 #define STRING_COPYIN(string, index, new, count) \
582 bcopy (new, XSTRING (string)->data + index, count)
585 /* See the macros in intervals.h. */
587 typedef struct interval
*INTERVAL
;
589 /* Complain if object is not string or buffer type */
590 #define CHECK_STRING_OR_BUFFER(x) \
591 { if (!STRINGP ((x)) && !BUFFERP ((x))) \
592 x = wrong_type_argument (Qbuffer_or_string_p, (x)); }
594 /* In a cons, the markbit of the car is the gc mark bit */
598 /* Please do not use the names of these elements in code other
599 than the core lisp implementation. Use XCAR and XCDR below. */
600 #ifdef HIDE_LISP_IMPLEMENTATION
601 Lisp_Object car_
, cdr_
;
603 Lisp_Object car
, cdr
;
607 /* Take the car or cdr of something known to be a cons cell. */
608 /* The _AS_LVALUE macros shouldn't be used outside of the minimal set
609 of code that has to know what a cons cell looks like. Other code not
610 part of the basic lisp implementation should assume that the car and cdr
611 fields are not accessible as lvalues. (What if we want to switch to
612 a copying collector someday? Cached cons cell field addresses may be
613 invalidated at arbitrary points.) */
614 #ifdef HIDE_LISP_IMPLEMENTATION
615 #define XCAR_AS_LVALUE(c) (XCONS ((c))->car_)
616 #define XCDR_AS_LVALUE(c) (XCONS ((c))->cdr_)
618 #define XCAR_AS_LVALUE(c) (XCONS ((c))->car)
619 #define XCDR_AS_LVALUE(c) (XCONS ((c))->cdr)
622 /* Use these from normal code. */
623 #define XCAR(c) LISP_MAKE_RVALUE(XCAR_AS_LVALUE(c))
624 #define XCDR(c) LISP_MAKE_RVALUE(XCDR_AS_LVALUE(c))
626 /* Use these to set the fields of a cons cell.
628 Note that both arguments may refer to the same object, so 'n'
629 should not be read after 'c' is first modified. Also, neither
630 argument should be evaluated more than once; side effects are
631 especially common in the second argument. */
632 #define XSETCAR(c,n) (XCAR_AS_LVALUE(c) = (n))
633 #define XSETCDR(c,n) (XCDR_AS_LVALUE(c) = (n))
635 /* For performance: Fast storage of positive integers into the
636 fields of a cons cell. See above caveats. */
637 #define XSETCARFASTINT(c,n) XSETFASTINT(XCAR_AS_LVALUE(c),(n))
638 #define XSETCDRFASTINT(c,n) XSETFASTINT(XCDR_AS_LVALUE(c),(n))
640 /* Take the car or cdr of something whose type is not known. */
642 (CONSP ((c)) ? XCAR ((c)) \
643 : NILP ((c)) ? Qnil \
644 : wrong_type_argument (Qlistp, (c)))
647 (CONSP ((c)) ? XCDR ((c)) \
648 : NILP ((c)) ? Qnil \
649 : wrong_type_argument (Qlistp, (c)))
651 /* Nonzero if STR is a multibyte string. */
652 #define STRING_MULTIBYTE(STR) \
653 (XSTRING (STR)->size_byte >= 0)
655 /* Return the length in bytes of STR. */
657 #ifdef GC_CHECK_STRING_BYTES
660 extern int string_bytes
P_ ((struct Lisp_String
*));
661 #define STRING_BYTES(S) string_bytes ((S))
663 #else /* not GC_CHECK_STRING_BYTES */
665 #define STRING_BYTES(STR) \
666 ((STR)->size_byte < 0 ? (STR)->size : (STR)->size_byte)
668 #endif /* not GC_CHECK_STRING_BYTES */
670 /* Mark STR as a unibyte string. */
671 #define STRING_SET_UNIBYTE(STR) (XSTRING (STR)->size_byte = -1)
673 /* Get text properties. */
674 #define STRING_INTERVALS(STR) (XSTRING (STR)->intervals + 0)
676 /* Set text properties. */
677 #define STRING_SET_INTERVALS(STR, INT) (XSTRING (STR)->intervals = (INT))
679 /* In a string or vector, the sign bit of the `size' is the gc mark bit */
685 INTERVAL intervals
; /* text properties in this string */
689 /* If a struct is made to look like a vector, this macro returns the length
690 of the shortest vector that would hold that struct. */
691 #define VECSIZE(type) ((sizeof (type) - (sizeof (struct Lisp_Vector) \
692 - sizeof (Lisp_Object)) \
693 + sizeof(Lisp_Object) - 1) /* round up */ \
694 / sizeof (Lisp_Object))
699 struct Lisp_Vector
*next
;
700 Lisp_Object contents
[1];
703 /* A char-table is a kind of vectorlike, with contents are like a
704 vector but with a few other slots. For some purposes, it makes
705 sense to handle a char-table with type struct Lisp_Vector. An
706 element of a char table can be any Lisp objects, but if it is a sub
707 char-table, we treat it a table that contains information of a
708 specific range of characters. A sub char-table has the same
709 structure as a vector. A sub char table appears only in an element
710 of a char-table, and there's no way to access it directly from
711 Emacs Lisp program. */
713 /* This is the number of slots that every char table must have. This
714 counts the ordinary slots and the top, defalt, parent, and purpose
716 #define CHAR_TABLE_STANDARD_SLOTS (VECSIZE (struct Lisp_Char_Table) - 1)
718 /* Return the number of "extra" slots in the char table CT. */
720 #define CHAR_TABLE_EXTRA_SLOTS(CT) \
721 (((CT)->size & PSEUDOVECTOR_SIZE_MASK) - CHAR_TABLE_STANDARD_SLOTS)
723 /* Almost equivalent to Faref (CT, IDX) with optimization for ASCII
724 characters. Do not check validity of CT. */
725 #define CHAR_TABLE_REF(CT, IDX) \
726 ((ASCII_CHAR_P (IDX) \
727 && SUB_CHAR_TABLE_P (XCHAR_TABLE (CT)->ascii) \
728 && !NILP (XSUB_CHAR_TABLE (XCHAR_TABLE (CT)->ascii)->contents[IDX])) \
729 ? XSUB_CHAR_TABLE (XCHAR_TABLE (CT)->ascii)->contents[IDX] \
730 : char_table_ref ((CT), (IDX)))
732 /* Almost equivalent to Faref (CT, IDX). However, if the result is
733 not a character, return IDX.
735 For these characters, do not check validity of CT
736 and do not follow parent. */
737 #define CHAR_TABLE_TRANSLATE(CT, IDX) \
738 char_table_translate (CT, IDX)
740 /* Equivalent to Faset (CT, IDX, VAL) with optimization for ASCII and
741 8-bit European characters. Do not check validity of CT. */
742 #define CHAR_TABLE_SET(CT, IDX, VAL) \
743 (((IDX) >= 0 && ASCII_CHAR_P (IDX) \
744 && SUB_CHAR_TABLE_P (XCHAR_TABLE (CT)->ascii)) \
745 ? XSUB_CHAR_TABLE (XCHAR_TABLE (CT)->ascii)->contents[IDX] = VAL \
746 : char_table_set (CT, IDX, VAL))
748 #define CHARTAB_SIZE_BITS_0 6
749 #define CHARTAB_SIZE_BITS_1 4
750 #define CHARTAB_SIZE_BITS_2 5
751 #define CHARTAB_SIZE_BITS_3 7
753 extern const int chartab_size
[4];
755 struct Lisp_Sub_Char_Table
;
757 struct Lisp_Char_Table
759 /* This is the vector's size field, which also holds the
760 pseudovector type information. It holds the size, too. The size
761 counts the defalt, parent, purpose, ascii, contents, and extras
764 struct Lisp_Vector
*next
;
766 /* This holds a default value,
767 which is used whenever the value for a specific character is nil. */
770 /* This points to another char table, which we inherit from when the
771 value for a specific character is nil. The `defalt' slot takes
772 precedence over this. */
775 /* This is a symbol which says what kind of use this char-table is
779 /* The bottom sub char-table for characters of the range 0..127. It
780 is nil if none of ASCII character has a specific value. */
783 Lisp_Object contents
[(1 << CHARTAB_SIZE_BITS_0
)];
785 /* These hold additional data. It is a vector. */
786 Lisp_Object extras
[1];
789 struct Lisp_Sub_Char_Table
791 /* This is the vector's size field, which also holds the
792 pseudovector type information. It holds the size, too. */
794 struct Lisp_Vector
*next
;
796 /* Depth of this sub char-table. It should be 1, 2, or 3. A sub
797 char-table of depth 1 contains 16 elments, and each element
798 covers 4096 (128*32) characters. A sub char-table of depth 2
799 contains 32 elements, and each element covers 128 characters. A
800 sub char-table of depth 3 contains 128 elements, and each element
801 is for one character. */
804 /* Minimum character covered by the sub char-table. */
805 Lisp_Object min_char
;
807 Lisp_Object contents
[1];
810 /* A boolvector is a kind of vectorlike, with contents are like a string. */
811 struct Lisp_Bool_Vector
813 /* This is the vector's size field. It doesn't have the real size,
814 just the subtype information. */
815 EMACS_INT vector_size
;
816 struct Lisp_Vector
*next
;
817 /* This is the size in bits. */
819 /* This contains the actual bits, packed into bytes. */
820 unsigned char data
[1];
823 /* This structure describes a built-in function.
824 It is generated by the DEFUN macro only.
825 defsubr makes it into a Lisp object.
827 This type is treated in most respects as a pseudovector,
828 but since we never dynamically allocate or free them,
829 we don't need a next-vector field. */
834 Lisp_Object (*function
) ();
835 short min_args
, max_args
;
842 /***********************************************************************
844 ***********************************************************************/
846 /* Interned state of a symbol. */
850 SYMBOL_UNINTERNED
= 0,
852 SYMBOL_INTERNED_IN_INITIAL_OBARRAY
= 2
855 /* In a symbol, the markbit of the plist is used as the gc mark bit */
859 unsigned gcmarkbit
: 1;
861 /* Non-zero means symbol serves as a variable alias. The symbol
862 holding the real value is found in the value slot. */
863 unsigned indirect_variable
: 1;
865 /* Non-zero means symbol is constant, i.e. changing its value
866 should signal an error. */
867 unsigned constant
: 1;
869 /* Interned state of the symbol. This is an enumerator from
870 enum symbol_interned. */
871 unsigned interned
: 2;
873 /* The symbol's name, as a Lisp string.
875 The name "xname" is used to intentionally break code referring to
876 the old field "name" of type pointer to struct Lisp_String. */
879 /* Value of the symbol or Qunbound if unbound. If this symbol is a
880 defvaralias, `value' contains the symbol for which it is an
881 alias. Use the SYMBOL_VALUE and SET_SYMBOL_VALUE macros to get
882 and set a symbol's value, to take defvaralias into account. */
885 /* Function value of the symbol or Qunbound if not fboundp. */
886 Lisp_Object function
;
888 /* The symbol's property list. */
891 /* Next symbol in obarray bucket, if the symbol is interned. */
892 struct Lisp_Symbol
*next
;
895 /* Value is name of symbol. */
897 #define SYMBOL_NAME(sym) \
898 LISP_MAKE_RVALUE (XSYMBOL (sym)->xname)
900 /* Value is non-zero if SYM is an interned symbol. */
902 #define SYMBOL_INTERNED_P(sym) \
903 (XSYMBOL (sym)->interned != SYMBOL_UNINTERNED)
905 /* Value is non-zero if SYM is interned in initial_obarray. */
907 #define SYMBOL_INTERNED_IN_INITIAL_OBARRAY_P(sym) \
908 (XSYMBOL (sym)->interned == SYMBOL_INTERNED_IN_INITIAL_OBARRAY)
910 /* Value is non-zero if symbol is considered a constant, i.e. its
911 value cannot be changed (there is an exception for keyword symbols,
912 whose value can be set to the keyword symbol itself). */
914 #define SYMBOL_CONSTANT_P(sym) XSYMBOL (sym)->constant
916 /* Value is the value of SYM, with defvaralias taken into
919 #define SYMBOL_VALUE(sym) \
920 (XSYMBOL (sym)->indirect_variable \
921 ? XSYMBOL (indirect_variable (sym))->value \
922 : XSYMBOL (sym)->value)
924 /* Set SYM's value to VAL, taking defvaralias into account. */
926 #define SET_SYMBOL_VALUE(sym, val) \
928 if (XSYMBOL (sym)->indirect_variable) \
929 XSYMBOL (indirect_variable ((sym)))->value = (val); \
931 XSYMBOL (sym)->value = (val); \
935 /***********************************************************************
937 ***********************************************************************/
939 /* The structure of a Lisp hash table. */
941 struct Lisp_Hash_Table
943 /* Vector fields. The hash table code doesn't refer to these. */
945 struct Lisp_Vector
*vec_next
;
947 /* Function used to compare keys. */
950 /* Nil if table is non-weak. Otherwise a symbol describing the
951 weakness of the table. */
954 /* When the table is resized, and this is an integer, compute the
955 new size by adding this to the old size. If a float, compute the
956 new size by multiplying the old size with this factor. */
957 Lisp_Object rehash_size
;
959 /* Resize hash table when number of entries/ table size is >= this
961 Lisp_Object rehash_threshold
;
963 /* Number of key/value entries in the table. */
966 /* Vector of keys and values. The key of item I is found at index
967 2 * I, the value is found at index 2 * I + 1. */
968 Lisp_Object key_and_value
;
970 /* Vector of hash codes.. If hash[I] is nil, this means that that
971 entry I is unused. */
974 /* Vector used to chain entries. If entry I is free, next[I] is the
975 entry number of the next free item. If entry I is non-free,
976 next[I] is the index of the next entry in the collision chain. */
979 /* Index of first free entry in free list. */
980 Lisp_Object next_free
;
982 /* Bucket vector. A non-nil entry is the index of the first item in
983 a collision chain. This vector's size can be larger than the
984 hash table size to reduce collisions. */
987 /* Next weak hash table if this is a weak hash table. The head
988 of the list is in Vweak_hash_tables. */
989 Lisp_Object next_weak
;
991 /* User-supplied hash function, or nil. */
992 Lisp_Object user_hash_function
;
994 /* User-supplied key comparison function, or nil. */
995 Lisp_Object user_cmp_function
;
997 /* C function to compare two keys. */
998 int (* cmpfn
) P_ ((struct Lisp_Hash_Table
*, Lisp_Object
,
999 unsigned, Lisp_Object
, unsigned));
1001 /* C function to compute hash code. */
1002 unsigned (* hashfn
) P_ ((struct Lisp_Hash_Table
*, Lisp_Object
));
1006 #define XHASH_TABLE(OBJ) \
1007 ((struct Lisp_Hash_Table *) XPNTR (OBJ))
1009 #define XSET_HASH_TABLE(VAR, PTR) \
1010 (XSETPSEUDOVECTOR (VAR, PTR, PVEC_HASH_TABLE))
1012 #define HASH_TABLE_P(OBJ) PSEUDOVECTORP (OBJ, PVEC_HASH_TABLE)
1013 #define GC_HASH_TABLE_P(x) GC_PSEUDOVECTORP (x, PVEC_HASH_TABLE)
1015 #define CHECK_HASH_TABLE(x) \
1018 if (!HASH_TABLE_P ((x))) \
1019 x = wrong_type_argument (Qhash_table_p, (x)); \
1023 /* Value is the key part of entry IDX in hash table H. */
1025 #define HASH_KEY(H, IDX) AREF ((H)->key_and_value, 2 * (IDX))
1027 /* Value is the value part of entry IDX in hash table H. */
1029 #define HASH_VALUE(H, IDX) AREF ((H)->key_and_value, 2 * (IDX) + 1)
1031 /* Value is the index of the next entry following the one at IDX
1034 #define HASH_NEXT(H, IDX) AREF ((H)->next, (IDX))
1036 /* Value is the hash code computed for entry IDX in hash table H. */
1038 #define HASH_HASH(H, IDX) AREF ((H)->hash, (IDX))
1040 /* Value is the index of the element in hash table H that is the
1041 start of the collision list at index IDX in the index vector of H. */
1043 #define HASH_INDEX(H, IDX) AREF ((H)->index, (IDX))
1045 /* Value is the size of hash table H. */
1047 #define HASH_TABLE_SIZE(H) XVECTOR ((H)->next)->size
1049 /* Default size for hash tables if not specified. */
1051 #define DEFAULT_HASH_SIZE 65
1053 /* Default threshold specifying when to resize a hash table. The
1054 value gives the ratio of current entries in the hash table and the
1055 size of the hash table. */
1057 #define DEFAULT_REHASH_THRESHOLD 0.8
1059 /* Default factor by which to increase the size of a hash table. */
1061 #define DEFAULT_REHASH_SIZE 1.5
1064 /* These structures are used for various misc types. */
1068 int type
: 16; /* = Lisp_Misc_Marker */
1069 unsigned gcmarkbit
: 1;
1071 /* 1 means normal insertion at the marker's position
1072 leaves the marker after the inserted text. */
1073 unsigned int insertion_type
: 1;
1074 /* This is the buffer that the marker points into,
1075 or 0 if it points nowhere. */
1076 struct buffer
*buffer
;
1078 /* The remaining fields are meaningless in a marker that
1079 does not point anywhere. */
1081 /* For markers that point somewhere,
1082 this is used to chain of all the markers in a given buffer. */
1083 struct Lisp_Marker
*next
;
1084 /* This is the char position where the marker points. */
1086 /* This is the byte position. */
1090 /* Forwarding pointer to an int variable.
1091 This is allowed only in the value cell of a symbol,
1092 and it means that the symbol's value really lives in the
1093 specified int variable. */
1096 int type
: 16; /* = Lisp_Misc_Intfwd */
1097 unsigned gcmarkbit
: 1;
1102 /* Boolean forwarding pointer to an int variable.
1103 This is like Lisp_Intfwd except that the ostensible
1104 "value" of the symbol is t if the int variable is nonzero,
1105 nil if it is zero. */
1108 int type
: 16; /* = Lisp_Misc_Boolfwd */
1109 unsigned gcmarkbit
: 1;
1114 /* Forwarding pointer to a Lisp_Object variable.
1115 This is allowed only in the value cell of a symbol,
1116 and it means that the symbol's value really lives in the
1117 specified variable. */
1120 int type
: 16; /* = Lisp_Misc_Objfwd */
1121 unsigned gcmarkbit
: 1;
1123 Lisp_Object
*objvar
;
1126 /* Like Lisp_Objfwd except that value lives in a slot in the
1127 current buffer. Value is byte index of slot within buffer. */
1128 struct Lisp_Buffer_Objfwd
1130 int type
: 16; /* = Lisp_Misc_Buffer_Objfwd */
1131 unsigned gcmarkbit
: 1;
1136 /* struct Lisp_Buffer_Local_Value is used in a symbol value cell when
1137 the symbol has buffer-local or frame-local bindings. (Exception:
1138 some buffer-local variables are built-in, with their values stored
1139 in the buffer structure itself. They are handled differently,
1140 using struct Lisp_Buffer_Objfwd.)
1142 The `realvalue' slot holds the variable's current value, or a
1143 forwarding pointer to where that value is kept. This value is the
1144 one that corresponds to the loaded binding. To read or set the
1145 variable, you must first make sure the right binding is loaded;
1146 then you can access the value in (or through) `realvalue'.
1148 `buffer' and `frame' are the buffer and frame for which the loaded
1149 binding was found. If those have changed, to make sure the right
1150 binding is loaded it is necessary to find which binding goes with
1151 the current buffer and selected frame, then load it. To load it,
1152 first unload the previous binding, then copy the value of the new
1153 binding into `realvalue' (or through it). Also update
1154 LOADED-BINDING to point to the newly loaded binding.
1156 Lisp_Misc_Buffer_Local_Value and Lisp_Misc_Some_Buffer_Local_Value
1157 both use this kind of structure. With the former, merely setting
1158 the variable creates a local binding for the current buffer. With
1159 the latter, setting the variable does not do that; only
1160 make-local-variable does that. */
1162 struct Lisp_Buffer_Local_Value
1164 int type
: 16; /* = Lisp_Misc_Buffer_Local_Value
1165 or Lisp_Misc_Some_Buffer_Local_Value */
1166 unsigned gcmarkbit
: 1;
1169 /* 1 means this variable is allowed to have frame-local bindings,
1170 so check for them when looking for the proper binding. */
1171 unsigned int check_frame
: 1;
1172 /* 1 means that the binding now loaded was found
1173 as a local binding for the buffer in the `buffer' slot. */
1174 unsigned int found_for_buffer
: 1;
1175 /* 1 means that the binding now loaded was found
1176 as a local binding for the frame in the `frame' slot. */
1177 unsigned int found_for_frame
: 1;
1178 Lisp_Object realvalue
;
1179 /* The buffer and frame for which the loaded binding was found. */
1180 Lisp_Object buffer
, frame
;
1182 /* A cons cell, (LOADED-BINDING . DEFAULT-VALUE).
1184 LOADED-BINDING is the binding now loaded. It is a cons cell
1185 whose cdr is the binding's value. The cons cell may be an
1186 element of a buffer's local-variable alist, or an element of a
1187 frame's parameter alist, or it may be this cons cell.
1189 DEFAULT-VALUE is the variable's default value, seen when the
1190 current buffer and selected frame do not have their own
1191 bindings for the variable. When the default binding is loaded,
1192 LOADED-BINDING is actually this very cons cell; thus, its car
1193 points to itself. */
1197 /* START and END are markers in the overlay's buffer, and
1198 PLIST is the overlay's property list. */
1201 int type
: 16; /* = Lisp_Misc_Overlay */
1202 unsigned gcmarkbit
: 1;
1204 struct Lisp_Overlay
*next
;
1205 Lisp_Object start
, end
, plist
;
1208 /* Like Lisp_Objfwd except that value lives in a slot in the
1210 struct Lisp_Kboard_Objfwd
1212 int type
: 16; /* = Lisp_Misc_Kboard_Objfwd */
1213 unsigned gcmarkbit
: 1;
1218 /* Hold a C pointer for later use.
1219 This type of object is used in the arg to record_unwind_protect. */
1220 struct Lisp_Save_Value
1222 int type
: 16; /* = Lisp_Misc_Save_Value */
1223 unsigned gcmarkbit
: 1;
1225 /* If DOGC is set, POINTER is the address of a memory
1226 area containing INTEGER potential Lisp_Objects. */
1227 unsigned int dogc
: 1;
1233 /* A miscellaneous object, when it's on the free list. */
1236 int type
: 16; /* = Lisp_Misc_Free */
1237 unsigned gcmarkbit
: 1;
1239 union Lisp_Misc
*chain
;
1241 /* Try to make sure that sizeof(Lisp_Misc) preserves TYPEBITS-alignment.
1242 This assumes that Lisp_Marker is the largest of the alternatives and
1243 that Lisp_Intfwd has the same size as "Lisp_Free w/o padding". */
1244 char padding
[((((sizeof (struct Lisp_Marker
) - 1) >> GCTYPEBITS
) + 1)
1245 << GCTYPEBITS
) - sizeof (struct Lisp_Intfwd
)];
1249 /* To get the type field of a union Lisp_Misc, use XMISCTYPE.
1250 It uses one of these struct subtypes to get the type field. */
1254 struct Lisp_Free u_free
;
1255 struct Lisp_Marker u_marker
;
1256 struct Lisp_Intfwd u_intfwd
;
1257 struct Lisp_Boolfwd u_boolfwd
;
1258 struct Lisp_Objfwd u_objfwd
;
1259 struct Lisp_Buffer_Objfwd u_buffer_objfwd
;
1260 struct Lisp_Buffer_Local_Value u_buffer_local_value
;
1261 struct Lisp_Overlay u_overlay
;
1262 struct Lisp_Kboard_Objfwd u_kboard_objfwd
;
1263 struct Lisp_Save_Value u_save_value
;
1266 /* Lisp floating point type */
1269 #ifdef HIDE_LISP_IMPLEMENTATION
1276 #ifdef HIDE_LISP_IMPLEMENTATION
1277 #define XFLOAT_DATA(f) (XFLOAT (f)->data_)
1279 #define XFLOAT_DATA(f) (XFLOAT (f)->data)
1282 /* A character, declared with the following typedef, is a member
1283 of some character set associated with the current buffer. */
1284 #ifndef _UCHAR_T /* Protect against something in ctab.h on AIX. */
1286 typedef unsigned char UCHAR
;
1289 /* Meanings of slots in a Lisp_Compiled: */
1291 #define COMPILED_ARGLIST 0
1292 #define COMPILED_BYTECODE 1
1293 #define COMPILED_CONSTANTS 2
1294 #define COMPILED_STACK_DEPTH 3
1295 #define COMPILED_DOC_STRING 4
1296 #define COMPILED_INTERACTIVE 5
1298 /* Flag bits in a character. These also get used in termhooks.h.
1299 Richard Stallman <rms@gnu.ai.mit.edu> thinks that MULE
1300 (MUlti-Lingual Emacs) might need 22 bits for the character value
1301 itself, so we probably shouldn't use any bits lower than 0x0400000. */
1302 #define CHAR_ALT (0x0400000)
1303 #define CHAR_SUPER (0x0800000)
1304 #define CHAR_HYPER (0x1000000)
1305 #define CHAR_SHIFT (0x2000000)
1306 #define CHAR_CTL (0x4000000)
1307 #define CHAR_META (0x8000000)
1309 #define CHAR_MODIFIER_MASK \
1310 (CHAR_ALT | CHAR_SUPER | CHAR_HYPER | CHAR_SHIFT | CHAR_CTL | CHAR_META)
1313 /* Actually, the current Emacs uses 22 bits for the character value
1315 #define CHARACTERBITS 22
1317 /* The maximum byte size consumed by push_key_description.
1318 All callers should assure that at least this size of memory is
1319 allocated at the place pointed by the second argument.
1321 Thers are 6 modifiers, each consumes 2 chars.
1322 The octal form of a character code consumes
1323 (1 + CHARACTERBITS / 3 + 1) chars (including backslash at the head).
1324 We need one more byte for string terminator `\0'. */
1325 #define KEY_DESCRIPTION_SIZE ((2 * 6) + 1 + (CHARACTERBITS / 3) + 1 + 1)
1327 #ifdef USE_X_TOOLKIT
1328 #ifdef NO_UNION_TYPE
1329 /* Use this for turning a (void *) into a Lisp_Object, as when the
1330 Lisp_Object is passed into a toolkit callback function. */
1331 #define VOID_TO_LISP(larg,varg) \
1332 do { ((larg) = ((Lisp_Object) (varg))); } while (0)
1333 #define CVOID_TO_LISP VOID_TO_LISP
1335 /* Use this for turning a Lisp_Object into a (void *), as when the
1336 Lisp_Object is passed into a toolkit callback function. */
1337 #define LISP_TO_VOID(larg) ((void *) (larg))
1338 #define LISP_TO_CVOID(varg) ((const void *) (larg))
1340 #else /* not NO_UNION_TYPE */
1341 /* Use this for turning a (void *) into a Lisp_Object, as when the
1342 Lisp_Object is passed into a toolkit callback function. */
1343 #define VOID_TO_LISP(larg,varg) \
1344 do { ((larg).v = (void *) (varg)); } while (0)
1345 #define CVOID_TO_LISP(larg,varg) \
1346 do { ((larg).cv = (const void *) (varg)); } while (0)
1348 /* Use this for turning a Lisp_Object into a (void *), as when the
1349 Lisp_Object is passed into a toolkit callback function. */
1350 #define LISP_TO_VOID(larg) ((larg).v)
1351 #define LISP_TO_CVOID(larg) ((larg).cv)
1352 #endif /* not NO_UNION_TYPE */
1353 #endif /* USE_X_TOOLKIT */
1356 /* The glyph datatype, used to represent characters on the display. */
1358 /* Glyph code to use as an index to the glyph table. If it is out of
1359 range for the glyph table, or the corresonding element in the table
1360 is nil, the low 8 bits are the single byte character code, and the
1361 bits above are the numeric face ID. If FID is the face ID of a
1362 glyph on a frame F, then F->display.x->faces[FID] contains the
1363 description of that face. This is an int instead of a short, so we
1364 can support a good bunch of face ID's (2^(31 - 8)); given that we
1365 have no mechanism for tossing unused frame face ID's yet, we'll
1366 probably run out of 255 pretty quickly.
1367 This is always -1 for a multibyte character. */
1370 /* Mask bits for face. */
1371 #define GLYPH_MASK_FACE 0x7FC00000
1372 /* Mask bits for character code. */
1373 #define GLYPH_MASK_CHAR 0x003FFFFF /* The lowest 22 bits */
1375 /* The FAST macros assume that we already know we're in an X window. */
1377 /* Set a character code and a face ID in a glyph G. */
1378 #define FAST_MAKE_GLYPH(char, face) ((char) | ((face) << CHARACTERBITS))
1380 /* Return a glyph's character code. */
1381 #define FAST_GLYPH_CHAR(glyph) ((glyph) & GLYPH_MASK_CHAR)
1383 /* Return a glyph's face ID. */
1384 #define FAST_GLYPH_FACE(glyph) (((glyph) & GLYPH_MASK_FACE) >> CHARACTERBITS)
1386 /* Slower versions that test the frame type first. */
1387 #define MAKE_GLYPH(f, char, face) (FAST_MAKE_GLYPH (char, face))
1388 #define GLYPH_CHAR(f, g) (FAST_GLYPH_CHAR (g))
1389 #define GLYPH_FACE(f, g) (FAST_GLYPH_FACE (g))
1391 /* Return 1 iff GLYPH contains valid character code. */
1392 #define GLYPH_CHAR_VALID_P(glyph) CHAR_VALID_P (FAST_GLYPH_CHAR (glyph), 1)
1394 /* The ID of the mode line highlighting face. */
1395 #define GLYPH_MODE_LINE_FACE 1
1397 /* Data type checking */
1399 #define NILP(x) EQ (x, Qnil)
1400 #define GC_NILP(x) GC_EQ (x, Qnil)
1402 #define NUMBERP(x) (INTEGERP (x) || FLOATP (x))
1403 #define GC_NUMBERP(x) (GC_INTEGERP (x) || GC_FLOATP (x))
1404 #define NATNUMP(x) (INTEGERP (x) && XINT (x) >= 0)
1405 #define GC_NATNUMP(x) (GC_INTEGERP (x) && XINT (x) >= 0)
1407 #define INTEGERP(x) (XTYPE ((x)) == Lisp_Int)
1408 #define GC_INTEGERP(x) INTEGERP (x)
1409 #define SYMBOLP(x) (XTYPE ((x)) == Lisp_Symbol)
1410 #define GC_SYMBOLP(x) (XGCTYPE ((x)) == Lisp_Symbol)
1411 #define MISCP(x) (XTYPE ((x)) == Lisp_Misc)
1412 #define GC_MISCP(x) (XGCTYPE ((x)) == Lisp_Misc)
1413 #define VECTORLIKEP(x) (XTYPE ((x)) == Lisp_Vectorlike)
1414 #define GC_VECTORLIKEP(x) (XGCTYPE ((x)) == Lisp_Vectorlike)
1415 #define STRINGP(x) (XTYPE ((x)) == Lisp_String)
1416 #define GC_STRINGP(x) (XGCTYPE ((x)) == Lisp_String)
1417 #define CONSP(x) (XTYPE ((x)) == Lisp_Cons)
1418 #define GC_CONSP(x) (XGCTYPE ((x)) == Lisp_Cons)
1420 #define FLOATP(x) (XTYPE ((x)) == Lisp_Float)
1421 #define GC_FLOATP(x) (XGCTYPE ((x)) == Lisp_Float)
1422 #define VECTORP(x) (VECTORLIKEP (x) && !(XVECTOR (x)->size & PSEUDOVECTOR_FLAG))
1423 #define GC_VECTORP(x) (GC_VECTORLIKEP (x) && !(XVECTOR (x)->size & PSEUDOVECTOR_FLAG))
1424 #define OVERLAYP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Overlay)
1425 #define GC_OVERLAYP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Overlay)
1426 #define MARKERP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Marker)
1427 #define GC_MARKERP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Marker)
1428 #define INTFWDP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Intfwd)
1429 #define GC_INTFWDP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Intfwd)
1430 #define BOOLFWDP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Boolfwd)
1431 #define GC_BOOLFWDP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Boolfwd)
1432 #define OBJFWDP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Objfwd)
1433 #define GC_OBJFWDP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Objfwd)
1434 #define BUFFER_OBJFWDP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Buffer_Objfwd)
1435 #define GC_BUFFER_OBJFWDP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Buffer_Objfwd)
1436 #define BUFFER_LOCAL_VALUEP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Buffer_Local_Value)
1437 #define GC_BUFFER_LOCAL_VALUEP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Buffer_Local_Value)
1438 #define SOME_BUFFER_LOCAL_VALUEP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Some_Buffer_Local_Value)
1439 #define GC_SOME_BUFFER_LOCAL_VALUEP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Some_Buffer_Local_Value)
1440 #define KBOARD_OBJFWDP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Kboard_Objfwd)
1441 #define GC_KBOARD_OBJFWDP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Kboard_Objfwd)
1444 /* True if object X is a pseudovector whose code is CODE. */
1445 #define PSEUDOVECTORP(x, code) \
1447 && (((XVECTOR (x)->size & (PSEUDOVECTOR_FLAG | (code)))) \
1448 == (PSEUDOVECTOR_FLAG | (code))))
1450 /* True if object X is a pseudovector whose code is CODE.
1451 This one works during GC. */
1452 #define GC_PSEUDOVECTORP(x, code) \
1453 (GC_VECTORLIKEP (x) \
1454 && (((XVECTOR (x)->size & (PSEUDOVECTOR_FLAG | (code)))) \
1455 == (PSEUDOVECTOR_FLAG | (code))))
1457 /* Test for specific pseudovector types. */
1458 #define WINDOW_CONFIGURATIONP(x) PSEUDOVECTORP (x, PVEC_WINDOW_CONFIGURATION)
1459 #define GC_WINDOW_CONFIGURATIONP(x) GC_PSEUDOVECTORP (x, PVEC_WINDOW_CONFIGURATION)
1460 #define PROCESSP(x) PSEUDOVECTORP (x, PVEC_PROCESS)
1461 #define GC_PROCESSP(x) GC_PSEUDOVECTORP (x, PVEC_PROCESS)
1462 #define WINDOWP(x) PSEUDOVECTORP (x, PVEC_WINDOW)
1463 #define GC_WINDOWP(x) GC_PSEUDOVECTORP (x, PVEC_WINDOW)
1464 #define SUBRP(x) PSEUDOVECTORP (x, PVEC_SUBR)
1465 #define GC_SUBRP(x) GC_PSEUDOVECTORP (x, PVEC_SUBR)
1466 #define COMPILEDP(x) PSEUDOVECTORP (x, PVEC_COMPILED)
1467 #define GC_COMPILEDP(x) GC_PSEUDOVECTORP (x, PVEC_COMPILED)
1468 #define BUFFERP(x) PSEUDOVECTORP (x, PVEC_BUFFER)
1469 #define GC_BUFFERP(x) GC_PSEUDOVECTORP (x, PVEC_BUFFER)
1470 #define CHAR_TABLE_P(x) PSEUDOVECTORP (x, PVEC_CHAR_TABLE)
1471 #define SUB_CHAR_TABLE_P(x) PSEUDOVECTORP (x, PVEC_SUB_CHAR_TABLE)
1472 #define GC_SUB_CHAR_TABLE_P(x) GC_PSEUDOVECTORP (x, PVEC_SUB_CHAR_TABLE)
1473 #define GC_CHAR_TABLE_P(x) GC_PSEUDOVECTORP (x, PVEC_CHAR_TABLE)
1474 #define BOOL_VECTOR_P(x) PSEUDOVECTORP (x, PVEC_BOOL_VECTOR)
1475 #define GC_BOOL_VECTOR_P(x) GC_PSEUDOVECTORP (x, PVEC_BOOL_VECTOR)
1476 #define FRAMEP(x) PSEUDOVECTORP (x, PVEC_FRAME)
1477 #define GC_FRAMEP(x) GC_PSEUDOVECTORP (x, PVEC_FRAME)
1479 /* Test for image (image . spec) */
1480 #define IMAGEP(x) (CONSP (x) && EQ (XCAR (x), Qimage))
1483 #define GC_EQ(x, y) EQ (x, y)
1485 #define CHECK_LIST(x) \
1486 do { if (!CONSP ((x)) && !NILP (x)) x = wrong_type_argument (Qlistp, (x)); } while (0)
1488 #define CHECK_STRING(x) \
1489 do { if (!STRINGP ((x))) x = wrong_type_argument (Qstringp, (x)); } while (0)
1491 #define CHECK_STRING_CAR(x) \
1492 do { if (!STRINGP (XCAR (x))) XSETCAR (x, wrong_type_argument (Qstringp, XCAR (x))); } while (0)
1494 #define CHECK_CONS(x) \
1495 do { if (!CONSP ((x))) x = wrong_type_argument (Qconsp, (x)); } while (0)
1497 #define CHECK_SYMBOL(x) \
1498 do { if (!SYMBOLP ((x))) x = wrong_type_argument (Qsymbolp, (x)); } while (0)
1500 #define CHECK_CHAR_TABLE(x) \
1501 do { if (!CHAR_TABLE_P ((x))) \
1502 x = wrong_type_argument (Qchar_table_p, (x)); } while (0)
1504 #define CHECK_VECTOR(x) \
1505 do { if (!VECTORP ((x))) x = wrong_type_argument (Qvectorp, (x)); } while (0)
1507 #define CHECK_VECTOR_OR_CHAR_TABLE(x) \
1508 do { if (!VECTORP ((x)) && !CHAR_TABLE_P ((x))) \
1509 x = wrong_type_argument (Qvector_or_char_table_p, (x)); \
1512 #define CHECK_BUFFER(x) \
1513 do { if (!BUFFERP ((x))) x = wrong_type_argument (Qbufferp, (x)); } while (0)
1515 #define CHECK_WINDOW(x) \
1516 do { if (!WINDOWP ((x))) x = wrong_type_argument (Qwindowp, (x)); } while (0)
1518 /* This macro rejects windows on the interior of the window tree as
1519 "dead", which is what we want; this is an argument-checking macro, and
1520 the user should never get access to interior windows.
1522 A window of any sort, leaf or interior, is dead iff the buffer,
1523 vchild, and hchild members are all nil. */
1525 #define CHECK_LIVE_WINDOW(x) \
1527 if (!WINDOWP ((x)) \
1528 || NILP (XWINDOW ((x))->buffer)) \
1529 x = wrong_type_argument (Qwindow_live_p, (x)); \
1532 #define CHECK_PROCESS(x) \
1533 do { if (!PROCESSP ((x))) x = wrong_type_argument (Qprocessp, (x)); } while (0)
1535 #define CHECK_NUMBER(x) \
1536 do { if (!INTEGERP ((x))) x = wrong_type_argument (Qintegerp, (x)); } while (0)
1538 #define CHECK_NATNUM(x) \
1539 do { if (!NATNUMP (x)) x = wrong_type_argument (Qwholenump, (x)); } while (0)
1541 #define CHECK_MARKER(x) \
1542 do { if (!MARKERP ((x))) x = wrong_type_argument (Qmarkerp, (x)); } while (0)
1544 #define CHECK_NUMBER_COERCE_MARKER(x) \
1545 do { if (MARKERP ((x))) XSETFASTINT (x, marker_position (x)); \
1546 else if (!INTEGERP ((x))) x = wrong_type_argument (Qinteger_or_marker_p, (x)); } while (0)
1548 #define XFLOATINT(n) extract_float((n))
1550 #define CHECK_FLOAT(x) \
1551 do { if (!FLOATP (x)) \
1552 x = wrong_type_argument (Qfloatp, (x)); } while (0)
1554 #define CHECK_NUMBER_OR_FLOAT(x) \
1555 do { if (!FLOATP (x) && !INTEGERP (x)) \
1556 x = wrong_type_argument (Qnumberp, (x)); } while (0)
1558 #define CHECK_NUMBER_OR_FLOAT_COERCE_MARKER(x) \
1559 do { if (MARKERP (x)) XSETFASTINT (x, marker_position (x)); \
1560 else if (!INTEGERP (x) && !FLOATP (x)) \
1561 x = wrong_type_argument (Qnumber_or_marker_p, (x)); } while (0)
1563 #define CHECK_OVERLAY(x) \
1564 do { if (!OVERLAYP ((x))) x = wrong_type_argument (Qoverlayp, (x));} while (0)
1566 /* Since we can't assign directly to the CAR or CDR fields of a cons
1567 cell, use these when checking that those fields contain numbers. */
1568 #define CHECK_NUMBER_CAR(x) \
1570 Lisp_Object tmp = XCAR (x); \
1571 CHECK_NUMBER (tmp); \
1572 XSETCAR ((x), tmp); \
1575 #define CHECK_NUMBER_CDR(x) \
1577 Lisp_Object tmp = XCDR (x); \
1578 CHECK_NUMBER (tmp); \
1579 XSETCDR ((x), tmp); \
1582 #define CHECK_NATNUM_CAR(x) \
1584 Lisp_Object tmp = XCAR (x); \
1585 CHECK_NATNUM (tmp); \
1586 XSETCAR ((x), tmp); \
1589 #define CHECK_NATNUM_CDR(x) \
1591 Lisp_Object tmp = XCDR (x); \
1592 CHECK_NATNUM (tmp); \
1593 XSETCDR ((x), tmp); \
1596 /* Cast pointers to this type to compare them. Some machines want int. */
1597 #ifndef PNTR_COMPARISON_TYPE
1598 #define PNTR_COMPARISON_TYPE EMACS_UINT
1601 /* Define a built-in function for calling from Lisp.
1602 `lname' should be the name to give the function in Lisp,
1603 as a null-terminated C string.
1604 `fnname' should be the name of the function in C.
1605 By convention, it starts with F.
1606 `sname' should be the name for the C constant structure
1607 that records information on this function for internal use.
1608 By convention, it should be the same as `fnname' but with S instead of F.
1609 It's too bad that C macros can't compute this from `fnname'.
1610 `minargs' should be a number, the minimum number of arguments allowed.
1611 `maxargs' should be a number, the maximum number of arguments allowed,
1612 or else MANY or UNEVALLED.
1613 MANY means pass a vector of evaluated arguments,
1614 in the form of an integer number-of-arguments
1615 followed by the address of a vector of Lisp_Objects
1616 which contains the argument values.
1617 UNEVALLED means pass the list of unevaluated arguments
1618 `prompt' says how to read arguments for an interactive call.
1619 See the doc string for `interactive'.
1620 A null string means call interactively with no arguments.
1621 `doc' is documentation for the user. */
1623 #if (!defined (__STDC__) && !defined (PROTOTYPES)) \
1624 || defined (USE_NONANSI_DEFUN)
1626 #define DEFUN(lname, fnname, sname, minargs, maxargs, prompt, doc) \
1627 Lisp_Object fnname (); \
1628 DECL_ALIGN (struct Lisp_Subr, sname) = \
1629 { PVEC_SUBR | (sizeof (struct Lisp_Subr) / sizeof (EMACS_INT)), \
1630 fnname, minargs, maxargs, lname, prompt, 0}; \
1635 /* This version of DEFUN declares a function prototype with the right
1636 arguments, so we can catch errors with maxargs at compile-time. */
1637 #define DEFUN(lname, fnname, sname, minargs, maxargs, prompt, doc) \
1638 Lisp_Object fnname DEFUN_ARGS_ ## maxargs ; \
1639 DECL_ALIGN (struct Lisp_Subr, sname) = \
1640 { PVEC_SUBR | (sizeof (struct Lisp_Subr) / sizeof (EMACS_INT)), \
1641 fnname, minargs, maxargs, lname, prompt, 0}; \
1644 /* Note that the weird token-substitution semantics of ANSI C makes
1645 this work for MANY and UNEVALLED. */
1646 #define DEFUN_ARGS_MANY (int, Lisp_Object *)
1647 #define DEFUN_ARGS_UNEVALLED (Lisp_Object)
1648 #define DEFUN_ARGS_0 (void)
1649 #define DEFUN_ARGS_1 (Lisp_Object)
1650 #define DEFUN_ARGS_2 (Lisp_Object, Lisp_Object)
1651 #define DEFUN_ARGS_3 (Lisp_Object, Lisp_Object, Lisp_Object)
1652 #define DEFUN_ARGS_4 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object)
1653 #define DEFUN_ARGS_5 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, \
1655 #define DEFUN_ARGS_6 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, \
1656 Lisp_Object, Lisp_Object)
1657 #define DEFUN_ARGS_7 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, \
1658 Lisp_Object, Lisp_Object, Lisp_Object)
1659 #define DEFUN_ARGS_8 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, \
1660 Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object)
1663 /* Non-zero if OBJ is a Lisp function. */
1665 #define FUNCTIONP(OBJ) \
1666 ((CONSP (OBJ) && EQ (XCAR (OBJ), Qlambda)) \
1667 || (SYMBOLP (OBJ) && !NILP (Ffboundp (OBJ))) \
1668 || COMPILEDP (OBJ) \
1672 is how we define the symbol for function `name' at start-up time. */
1673 extern void defsubr
P_ ((struct Lisp_Subr
*));
1676 #define UNEVALLED -1
1678 extern void defvar_lisp
P_ ((char *, Lisp_Object
*));
1679 extern void defvar_lisp_nopro
P_ ((char *, Lisp_Object
*));
1680 extern void defvar_bool
P_ ((char *, int *));
1681 extern void defvar_int
P_ ((char *, EMACS_INT
*));
1682 extern void defvar_per_buffer
P_ ((char *, Lisp_Object
*, Lisp_Object
, char *));
1683 extern void defvar_kboard
P_ ((char *, int));
1685 /* Macros we use to define forwarded Lisp variables.
1686 These are used in the syms_of_FILENAME functions. */
1688 #define DEFVAR_LISP(lname, vname, doc) defvar_lisp (lname, vname)
1689 #define DEFVAR_LISP_NOPRO(lname, vname, doc) defvar_lisp_nopro (lname, vname)
1690 #define DEFVAR_BOOL(lname, vname, doc) defvar_bool (lname, vname)
1691 #define DEFVAR_INT(lname, vname, doc) defvar_int (lname, vname)
1693 /* TYPE is nil for a general Lisp variable.
1694 An integer specifies a type; then only LIsp values
1695 with that type code are allowed (except that nil is allowed too).
1696 LNAME is the LIsp-level variable name.
1697 VNAME is the name of the buffer slot.
1698 DOC is a dummy where you write the doc string as a comment. */
1699 #define DEFVAR_PER_BUFFER(lname, vname, type, doc) \
1700 defvar_per_buffer (lname, vname, type, 0)
1702 #define DEFVAR_KBOARD(lname, vname, doc) \
1703 defvar_kboard (lname, \
1704 (int)((char *)(¤t_kboard->vname) \
1705 - (char *)current_kboard))
1709 /* Structure for recording Lisp call stack for backtrace purposes. */
1711 /* The special binding stack holds the outer values of variables while
1712 they are bound by a function application or a let form, stores the
1713 code to be executed for Lisp unwind-protect forms, and stores the C
1714 functions to be called for record_unwind_protect.
1716 If func is non-zero, undoing this binding applies func to old_value;
1717 This implements record_unwind_protect.
1719 Otherwise, the element is a variable binding.
1721 If the symbol field is a symbol, it is an ordinary variable binding.
1723 Otherwise, it should be a structure (SYMBOL WHERE
1724 . CURRENT-BUFFER), which means having bound a local value while
1725 CURRENT-BUFFER was active. If WHERE is nil this means we saw the
1726 default value when binding SYMBOL. WHERE being a buffer or frame
1727 means we saw a buffer-local or frame-local value. Other values of
1728 WHERE mean an internal error. */
1730 typedef Lisp_Object (*specbinding_func
) P_ ((Lisp_Object
));
1734 volatile Lisp_Object symbol
, old_value
;
1735 volatile specbinding_func func
;
1736 Lisp_Object unused
; /* Dividing by 16 is faster than by 12 */
1739 extern struct specbinding
*specpdl
;
1740 extern volatile struct specbinding
*specpdl_ptr
;
1741 extern int specpdl_size
;
1743 extern EMACS_INT max_specpdl_size
;
1745 #define SPECPDL_INDEX() (specpdl_ptr - specpdl)
1747 /* Everything needed to describe an active condition case. */
1750 /* The handler clauses and variable from the condition-case form. */
1751 /* For a handler set up in Lisp code, this is always a list.
1752 For an internal handler set up by internal_condition_case*,
1753 this can instead be the symbol t or `error'.
1754 t: handle all conditions.
1755 error: handle all conditions, and errors can run the debugger
1756 or display a backtrace. */
1757 Lisp_Object handler
;
1759 /* Fsignal stores here the condition-case clause that applies,
1760 and Fcondition_case thus knows which clause to run. */
1761 Lisp_Object chosen_clause
;
1763 /* Used to effect the longjump out to the handler. */
1764 struct catchtag
*tag
;
1766 /* The next enclosing handler. */
1767 struct handler
*next
;
1770 extern struct handler
*handlerlist
;
1772 extern struct catchtag
*catchlist
;
1773 extern struct backtrace
*backtrace_list
;
1775 extern Lisp_Object memory_signal_data
;
1777 /* An address near the bottom of the stack.
1778 Tells GC how to save a copy of the stack. */
1779 extern char *stack_bottom
;
1781 /* Check quit-flag and quit if it is non-nil.
1782 Typing C-g does not directly cause a quit; it only sets Vquit_flag.
1783 So the program needs to do QUIT at times when it is safe to quit.
1784 Every loop that might run for a long time or might not exit
1785 ought to do QUIT at least once, at a safe place.
1786 Unless that is impossible, of course.
1787 But it is very desirable to avoid creating loops where QUIT is impossible.
1789 Exception: if you set immediate_quit to nonzero,
1790 then the handler that responds to the C-g does the quit itself.
1791 This is a good thing to do around a loop that has no side effects
1792 and (in particular) cannot call arbitrary Lisp code. */
1795 extern void handle_async_input
P_ ((void));
1796 extern int interrupt_input_pending
;
1800 if (!NILP (Vquit_flag) && NILP (Vinhibit_quit)) \
1802 Lisp_Object flag = Vquit_flag; \
1803 Vquit_flag = Qnil; \
1804 if (EQ (Vthrow_on_input, flag)) \
1805 Fthrow (Vthrow_on_input, Qnil); \
1806 Fsignal (Qquit, Qnil); \
1808 else if (interrupt_input_pending) \
1809 handle_async_input (); \
1812 #else /* not SYNC_INPUT */
1816 if (!NILP (Vquit_flag) && NILP (Vinhibit_quit)) \
1818 Lisp_Object flag = Vquit_flag; \
1819 Vquit_flag = Qnil; \
1820 if (EQ (Vthrow_on_input, flag)) \
1821 Fthrow (Vthrow_on_input, Qnil); \
1822 Fsignal (Qquit, Qnil); \
1826 #endif /* not SYNC_INPUT */
1829 /* Nonzero if ought to quit now. */
1831 #define QUITP (!NILP (Vquit_flag) && NILP (Vinhibit_quit))
1833 /* Variables used locally in the following case handling macros. */
1834 extern int case_temp1
;
1835 extern Lisp_Object case_temp2
;
1837 /* Current buffer's map from characters to lower-case characters. */
1839 #define DOWNCASE_TABLE current_buffer->downcase_table
1841 /* Current buffer's map from characters to upper-case characters. */
1843 #define UPCASE_TABLE current_buffer->upcase_table
1845 /* Downcase a character, or make no change if that cannot be done. */
1847 #define DOWNCASE(CH) \
1848 ((case_temp1 = (CH), \
1849 case_temp2 = CHAR_TABLE_REF (DOWNCASE_TABLE, case_temp1), \
1850 NATNUMP (case_temp2)) \
1851 ? XFASTINT (case_temp2) : case_temp1)
1853 /* 1 if CH is upper case. */
1855 #define UPPERCASEP(CH) (DOWNCASE (CH) != (CH))
1857 /* 1 if CH is neither upper nor lower case. */
1859 #define NOCASEP(CH) (UPCASE1 (CH) == (CH))
1861 /* 1 if CH is lower case. */
1863 #define LOWERCASEP(CH) (!UPPERCASEP (CH) && !NOCASEP(CH))
1865 /* Upcase a character, or make no change if that cannot be done. */
1867 #define UPCASE(CH) (!UPPERCASEP (CH) ? UPCASE1 (CH) : (CH))
1869 /* Upcase a character known to be not upper case. */
1871 #define UPCASE1(CH) \
1872 ((case_temp1 = (CH), \
1873 case_temp2 = CHAR_TABLE_REF (UPCASE_TABLE, case_temp1), \
1874 NATNUMP (case_temp2)) \
1875 ? XFASTINT (case_temp2) : case_temp1)
1877 extern Lisp_Object Vascii_downcase_table
;
1879 /* Number of bytes of structure consed since last GC. */
1881 extern int consing_since_gc
;
1883 /* Threshold for doing another gc. */
1885 extern EMACS_INT gc_cons_threshold
;
1887 /* Structure for recording stack slots that need marking. */
1889 /* This is a chain of structures, each of which points at a Lisp_Object variable
1890 whose value should be marked in garbage collection.
1891 Normally every link of the chain is an automatic variable of a function,
1892 and its `val' points to some argument or local variable of the function.
1893 On exit to the function, the chain is set back to the value it had on entry.
1894 This way, no link remains in the chain when the stack frame containing the
1897 Every function that can call Feval must protect in this fashion all
1898 Lisp_Object variables whose contents will be used again. */
1900 extern struct gcpro
*gcprolist
;
1906 /* Address of first protected variable. */
1907 volatile Lisp_Object
*var
;
1909 /* Number of consecutive protected variables. */
1917 /* Values of GC_MARK_STACK during compilation:
1919 0 Use GCPRO as before
1920 1 Do the real thing, make GCPROs and UNGCPRO no-ops.
1921 2 Mark the stack, and check that everything GCPRO'd is
1923 3 Mark using GCPRO's, mark stack last, and count how many
1924 dead objects are kept alive. */
1927 #define GC_USE_GCPROS_AS_BEFORE 0
1928 #define GC_MAKE_GCPROS_NOOPS 1
1929 #define GC_MARK_STACK_CHECK_GCPROS 2
1930 #define GC_USE_GCPROS_CHECK_ZOMBIES 3
1932 #ifndef GC_MARK_STACK
1933 #define GC_MARK_STACK GC_USE_GCPROS_AS_BEFORE
1936 #if GC_MARK_STACK == GC_MAKE_GCPROS_NOOPS
1938 /* Do something silly with gcproN vars just so gcc shuts up. */
1939 /* You get warnings from MIPSPro... */
1941 #define GCPRO1(varname) ((void) gcpro1)
1942 #define GCPRO2(varname1, varname2)(((void) gcpro2, (void) gcpro1))
1943 #define GCPRO3(varname1, varname2, varname3) \
1944 (((void) gcpro3, (void) gcpro2, (void) gcpro1))
1945 #define GCPRO4(varname1, varname2, varname3, varname4) \
1946 (((void) gcpro4, (void) gcpro3, (void) gcpro2, (void) gcpro1))
1947 #define GCPRO5(varname1, varname2, varname3, varname4, varname5) \
1948 (((void) gcpro5, (void) gcpro4, (void) gcpro3, (void) gcpro2, (void) gcpro1))
1949 #define GCPRO6(varname1, varname2, varname3, varname4, varname5, varname6) \
1950 (((void) gcpro6, (void) gcpro5, (void) gcpro4, (void) gcpro3, (void) gcpro2, (void) gcpro1))
1951 #define UNGCPRO ((void) 0)
1953 #else /* GC_MARK_STACK != GC_MAKE_GCPROS_NOOPS */
1957 #define GCPRO1(varname) \
1958 {gcpro1.next = gcprolist; gcpro1.var = &varname; gcpro1.nvars = 1; \
1959 gcprolist = &gcpro1; }
1961 #define GCPRO2(varname1, varname2) \
1962 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
1963 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
1964 gcprolist = &gcpro2; }
1966 #define GCPRO3(varname1, varname2, varname3) \
1967 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
1968 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
1969 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
1970 gcprolist = &gcpro3; }
1972 #define GCPRO4(varname1, varname2, varname3, varname4) \
1973 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
1974 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
1975 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
1976 gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \
1977 gcprolist = &gcpro4; }
1979 #define GCPRO5(varname1, varname2, varname3, varname4, varname5) \
1980 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
1981 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
1982 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
1983 gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \
1984 gcpro5.next = &gcpro4; gcpro5.var = &varname5; gcpro5.nvars = 1; \
1985 gcprolist = &gcpro5; }
1987 #define GCPRO6(varname1, varname2, varname3, varname4, varname5, varname6) \
1988 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
1989 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
1990 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
1991 gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \
1992 gcpro5.next = &gcpro4; gcpro5.var = &varname5; gcpro5.nvars = 1; \
1993 gcpro6.next = &gcpro5; gcpro6.var = &varname6; gcpro6.nvars = 1; \
1994 gcprolist = &gcpro6; }
1996 #define UNGCPRO (gcprolist = gcpro1.next)
2000 extern int gcpro_level
;
2002 #define GCPRO1(varname) \
2003 {gcpro1.next = gcprolist; gcpro1.var = &varname; gcpro1.nvars = 1; \
2004 gcpro1.level = gcpro_level++; \
2005 gcprolist = &gcpro1; }
2007 #define GCPRO2(varname1, varname2) \
2008 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
2009 gcpro1.level = gcpro_level; \
2010 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
2011 gcpro2.level = gcpro_level++; \
2012 gcprolist = &gcpro2; }
2014 #define GCPRO3(varname1, varname2, varname3) \
2015 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
2016 gcpro1.level = gcpro_level; \
2017 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
2018 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
2019 gcpro3.level = gcpro_level++; \
2020 gcprolist = &gcpro3; }
2022 #define GCPRO4(varname1, varname2, varname3, varname4) \
2023 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
2024 gcpro1.level = gcpro_level; \
2025 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
2026 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
2027 gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \
2028 gcpro4.level = gcpro_level++; \
2029 gcprolist = &gcpro4; }
2031 #define GCPRO5(varname1, varname2, varname3, varname4, varname5) \
2032 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
2033 gcpro1.level = gcpro_level; \
2034 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
2035 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
2036 gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \
2037 gcpro5.next = &gcpro4; gcpro5.var = &varname5; gcpro5.nvars = 1; \
2038 gcpro5.level = gcpro_level++; \
2039 gcprolist = &gcpro5; }
2041 #define GCPRO6(varname1, varname2, varname3, varname4, varname5, varname6) \
2042 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
2043 gcpro1.level = gcpro_level; \
2044 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
2045 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
2046 gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \
2047 gcpro5.next = &gcpro4; gcpro5.var = &varname5; gcpro5.nvars = 1; \
2048 gcpro6.next = &gcpro5; gcpro6.var = &varname6; gcpro6.nvars = 1; \
2049 gcpro6.level = gcpro_level++; \
2050 gcprolist = &gcpro6; }
2053 ((--gcpro_level != gcpro1.level) \
2055 : ((gcprolist = gcpro1.next), 0))
2057 #endif /* DEBUG_GCPRO */
2058 #endif /* GC_MARK_STACK != GC_MAKE_GCPROS_NOOPS */
2061 /* Evaluate expr, UNGCPRO, and then return the value of expr. */
2062 #define RETURN_UNGCPRO(expr) \
2065 Lisp_Object ret_ungc_val; \
2066 ret_ungc_val = (expr); \
2068 return ret_ungc_val; \
2072 /* Call staticpro (&var) to protect static variable `var'. */
2074 void staticpro
P_ ((Lisp_Object
*));
2076 /* Declare a Lisp-callable function. The MAXARGS parameter has the same
2077 meaning as in the DEFUN macro, and is used to construct a prototype. */
2078 #if (!defined (__STDC__) && !defined (PROTOTYPES)) \
2079 || defined (USE_NONANSI_DEFUN)
2080 #define EXFUN(fnname, maxargs) \
2081 extern Lisp_Object fnname ()
2083 /* We can use the same trick as in the DEFUN macro to generate the
2084 appropriate prototype. */
2085 #define EXFUN(fnname, maxargs) \
2086 extern Lisp_Object fnname DEFUN_ARGS_ ## maxargs
2089 /* Forward declarations for prototypes. */
2093 /* Defined in data.c */
2094 extern Lisp_Object Qnil
, Qt
, Qquote
, Qlambda
, Qsubr
, Qunbound
;
2095 extern Lisp_Object Qerror_conditions
, Qerror_message
, Qtop_level
;
2096 extern Lisp_Object Qerror
, Qquit
, Qwrong_type_argument
, Qargs_out_of_range
;
2097 extern Lisp_Object Qvoid_variable
, Qvoid_function
;
2098 extern Lisp_Object Qsetting_constant
, Qinvalid_read_syntax
;
2099 extern Lisp_Object Qinvalid_function
, Qwrong_number_of_arguments
, Qno_catch
;
2100 extern Lisp_Object Qend_of_file
, Qarith_error
, Qmark_inactive
;
2101 extern Lisp_Object Qbeginning_of_buffer
, Qend_of_buffer
, Qbuffer_read_only
;
2102 extern Lisp_Object Qtext_read_only
;
2104 extern Lisp_Object Qintegerp
, Qnatnump
, Qwholenump
, Qsymbolp
, Qlistp
, Qconsp
;
2105 extern Lisp_Object Qstringp
, Qarrayp
, Qsequencep
, Qbufferp
;
2106 extern Lisp_Object Qchar_or_string_p
, Qmarkerp
, Qinteger_or_marker_p
, Qvectorp
;
2107 extern Lisp_Object Qbuffer_or_string_p
;
2108 extern Lisp_Object Qboundp
, Qfboundp
;
2109 extern Lisp_Object Qchar_table_p
, Qvector_or_char_table_p
;
2111 extern Lisp_Object Qcdr
;
2113 extern Lisp_Object Qrange_error
, Qdomain_error
, Qsingularity_error
;
2114 extern Lisp_Object Qoverflow_error
, Qunderflow_error
;
2116 extern Lisp_Object Qfloatp
;
2117 extern Lisp_Object Qnumberp
, Qnumber_or_marker_p
;
2119 extern Lisp_Object Qinteger
;
2121 extern void circular_list_error
P_ ((Lisp_Object
));
2122 EXFUN (Finteractive_form
, 1);
2124 /* Defined in frame.c */
2125 extern Lisp_Object Qframep
;
2133 EXFUN (Fintegerp
, 1);
2134 EXFUN (Fnatnump
, 1);
2135 EXFUN (Fsymbolp
, 1);
2136 EXFUN (Fvectorp
, 1);
2137 EXFUN (Fstringp
, 1);
2138 EXFUN (Fmultibyte_string_p
, 1);
2140 EXFUN (Fsequencep
, 1);
2141 EXFUN (Fbufferp
, 1);
2142 EXFUN (Fmarkerp
, 1);
2144 EXFUN (Fchar_or_string_p
, 1);
2145 EXFUN (Finteger_or_marker_p
, 1);
2147 EXFUN (Finteger_or_floatp
, 1);
2148 EXFUN (Finteger_or_float_or_marker_p
, 1);
2151 EXFUN (Fcar_safe
, 1);
2153 EXFUN (Fcdr_safe
, 1);
2157 EXFUN (Ffboundp
, 1);
2158 EXFUN (Fmakunbound
, 1);
2159 EXFUN (Ffmakunbound
, 1);
2160 EXFUN (Fsymbol_function
, 1);
2161 EXFUN (Fsymbol_plist
, 1);
2162 EXFUN (Fsymbol_name
, 1);
2163 extern Lisp_Object indirect_function
P_ ((Lisp_Object
));
2164 EXFUN (Findirect_function
, 1);
2166 EXFUN (Fsetplist
, 2);
2167 EXFUN (Fsymbol_value
, 1);
2168 extern Lisp_Object find_symbol_value
P_ ((Lisp_Object
));
2170 EXFUN (Fdefault_value
, 1);
2171 EXFUN (Fset_default
, 2);
2172 EXFUN (Fdefault_boundp
, 1);
2173 EXFUN (Fmake_local_variable
, 1);
2174 EXFUN (Flocal_variable_p
, 2);
2175 EXFUN (Flocal_variable_if_set_p
, 2);
2180 EXFUN (Fstring_to_number
, 2);
2181 EXFUN (Fnumber_to_string
, 1);
2182 EXFUN (Feqlsign
, 2);
2189 EXFUN (Fplus
, MANY
);
2190 EXFUN (Fminus
, MANY
);
2191 EXFUN (Ftimes
, MANY
);
2196 EXFUN (Flogand
, MANY
);
2197 EXFUN (Flogior
, MANY
);
2198 EXFUN (Flogxor
, MANY
);
2205 EXFUN (Fmake_variable_buffer_local
, 1);
2207 extern Lisp_Object indirect_variable
P_ ((Lisp_Object
));
2208 extern Lisp_Object long_to_cons
P_ ((unsigned long));
2209 extern unsigned long cons_to_long
P_ ((Lisp_Object
));
2210 extern void args_out_of_range
P_ ((Lisp_Object
, Lisp_Object
));
2211 extern void args_out_of_range_3
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
));
2212 extern Lisp_Object wrong_type_argument
P_ ((Lisp_Object
, Lisp_Object
));
2213 extern void store_symval_forwarding
P_ ((Lisp_Object
, Lisp_Object
,
2214 Lisp_Object
, struct buffer
*));
2215 extern Lisp_Object do_symval_forwarding
P_ ((Lisp_Object
));
2216 extern Lisp_Object set_internal
P_ ((Lisp_Object
, Lisp_Object
, struct buffer
*, int));
2217 extern void syms_of_data
P_ ((void));
2218 extern void init_data
P_ ((void));
2219 extern void swap_in_global_binding
P_ ((Lisp_Object
));
2221 /* Defined in cmds.c */
2222 EXFUN (Fend_of_line
, 1);
2223 EXFUN (Fforward_char
, 1);
2224 EXFUN (Fforward_line
, 1);
2225 extern int internal_self_insert
P_ ((int, int));
2226 extern void syms_of_cmds
P_ ((void));
2227 extern void keys_of_cmds
P_ ((void));
2229 /* Defined in coding.c */
2230 EXFUN (Fcoding_system_p
, 1);
2231 EXFUN (Fcheck_coding_system
, 1);
2232 EXFUN (Fread_coding_system
, 2);
2233 EXFUN (Fread_non_nil_coding_system
, 1);
2234 EXFUN (Ffind_operation_coding_system
, MANY
);
2235 EXFUN (Fupdate_coding_systems_internal
, 0);
2236 EXFUN (Fencode_coding_string
, 4);
2237 EXFUN (Fdecode_coding_string
, 4);
2238 extern Lisp_Object detect_coding_system
P_ ((const unsigned char *, int,
2239 int, int, int, Lisp_Object
));
2240 extern void init_coding
P_ ((void));
2241 extern void init_coding_once
P_ ((void));
2242 extern void syms_of_coding
P_ ((void));
2244 /* Defined in character.c */
2245 extern void init_character_once
P_ ((void));
2246 extern void syms_of_character
P_ ((void));
2247 EXFUN (Funibyte_char_to_multibyte
, 1);
2249 /* Defined in charset.c */
2250 EXFUN (Fchar_bytes
, 1);
2251 EXFUN (Fchar_width
, 1);
2252 EXFUN (Fstring
, MANY
);
2253 extern int chars_in_text
P_ ((const unsigned char *, int));
2254 extern int multibyte_chars_in_text
P_ ((const unsigned char *, int));
2255 extern int multibyte_char_to_unibyte
P_ ((int, Lisp_Object
));
2256 extern Lisp_Object Qcharset
;
2257 extern void init_charset
P_ ((void));
2258 extern void init_charset_once
P_ ((void));
2259 extern void syms_of_charset
P_ ((void));
2260 /* Structure forward declarations. */
2263 /* Defined in composite.c */
2264 extern void syms_of_composite
P_ ((void));
2266 /* Defined in syntax.c */
2267 EXFUN (Fforward_word
, 1);
2268 EXFUN (Fskip_chars_forward
, 2);
2269 EXFUN (Fskip_chars_backward
, 2);
2270 EXFUN (Fsyntax_table_p
, 1);
2271 EXFUN (Fsyntax_table
, 0);
2272 EXFUN (Fset_syntax_table
, 1);
2273 extern void init_syntax_once
P_ ((void));
2274 extern void syms_of_syntax
P_ ((void));
2276 /* Defined in fns.c */
2277 extern int use_dialog_box
;
2278 extern int next_almost_prime
P_ ((int));
2279 extern Lisp_Object larger_vector
P_ ((Lisp_Object
, int, Lisp_Object
));
2280 extern void sweep_weak_hash_tables
P_ ((void));
2281 extern Lisp_Object Qstring_lessp
;
2282 extern Lisp_Object Vfeatures
;
2283 extern Lisp_Object QCtest
, QCweakness
, Qequal
, Qeq
;
2284 unsigned sxhash
P_ ((Lisp_Object
, int));
2285 Lisp_Object make_hash_table
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
,
2286 Lisp_Object
, Lisp_Object
, Lisp_Object
,
2288 Lisp_Object copy_hash_table
P_ ((struct Lisp_Hash_Table
*));
2289 int hash_lookup
P_ ((struct Lisp_Hash_Table
*, Lisp_Object
, unsigned *));
2290 int hash_put
P_ ((struct Lisp_Hash_Table
*, Lisp_Object
, Lisp_Object
,
2292 void hash_remove
P_ ((struct Lisp_Hash_Table
*, Lisp_Object
));
2293 void hash_clear
P_ ((struct Lisp_Hash_Table
*));
2294 void remove_hash_entry
P_ ((struct Lisp_Hash_Table
*, int));
2295 extern void init_fns
P_ ((void));
2297 EXFUN (Fmake_hash_table
, MANY
);
2298 EXFUN (Fmakehash
, 1);
2299 EXFUN (Fcopy_hash_table
, 1);
2300 EXFUN (Fhash_table_count
, 1);
2301 EXFUN (Fhash_table_rehash_size
, 1);
2302 EXFUN (Fhash_table_rehash_threshold
, 1);
2303 EXFUN (Fhash_table_size
, 1);
2304 EXFUN (Fhash_table_test
, 1);
2305 EXFUN (Fhash_table_weak
, 1);
2306 EXFUN (Fhash_table_p
, 1);
2307 EXFUN (Fclrhash
, 1);
2308 EXFUN (Fgethash
, 3);
2309 EXFUN (Fputhash
, 3);
2310 EXFUN (Fremhash
, 2);
2311 EXFUN (Fmaphash
, 2);
2312 EXFUN (Fdefine_hash_table_test
, 3);
2314 EXFUN (Fidentity
, 1);
2317 EXFUN (Fsafe_length
, 1);
2318 EXFUN (Fappend
, MANY
);
2319 EXFUN (Fconcat
, MANY
);
2320 EXFUN (Fvconcat
, MANY
);
2321 EXFUN (Fcopy_sequence
, 1);
2322 EXFUN (Fstring_make_multibyte
, 1);
2323 EXFUN (Fstring_make_unibyte
, 1);
2324 EXFUN (Fstring_as_multibyte
, 1);
2325 EXFUN (Fstring_as_unibyte
, 1);
2326 EXFUN (Fstring_to_multibyte
, 1);
2327 EXFUN (Fsubstring
, 3);
2328 extern Lisp_Object substring_both
P_ ((Lisp_Object
, int, int, int, int));
2340 EXFUN (Freverse
, 1);
2341 EXFUN (Fnreverse
, 1);
2345 EXFUN (Ffillarray
, 2);
2346 EXFUN (Fnconc
, MANY
);
2348 EXFUN (Fmapconcat
, 3);
2349 EXFUN (Fy_or_n_p
, 1);
2350 extern Lisp_Object do_yes_or_no_p
P_ ((Lisp_Object
));
2351 EXFUN (Frequire
, 3);
2352 EXFUN (Fprovide
, 2);
2353 extern Lisp_Object concat2
P_ ((Lisp_Object
, Lisp_Object
));
2354 extern Lisp_Object concat3
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
));
2355 extern Lisp_Object nconc2
P_ ((Lisp_Object
, Lisp_Object
));
2356 extern Lisp_Object assq_no_quit
P_ ((Lisp_Object
, Lisp_Object
));
2357 extern void clear_string_char_byte_cache
P_ ((void));
2358 extern int string_char_to_byte
P_ ((Lisp_Object
, int));
2359 extern int string_byte_to_char
P_ ((Lisp_Object
, int));
2360 extern Lisp_Object string_make_multibyte
P_ ((Lisp_Object
));
2361 extern Lisp_Object string_to_multibyte
P_ ((Lisp_Object
));
2362 extern Lisp_Object string_make_unibyte
P_ ((Lisp_Object
));
2363 EXFUN (Fcopy_alist
, 1);
2364 EXFUN (Fplist_get
, 2);
2365 EXFUN (Fsafe_plist_get
, 2);
2366 EXFUN (Fplist_put
, 3);
2367 EXFUN (Fplist_member
, 2);
2369 EXFUN (Fstring_equal
, 2);
2370 EXFUN (Fcompare_strings
, 7);
2371 EXFUN (Fstring_lessp
, 2);
2372 extern void syms_of_fns
P_ ((void));
2374 /* Defined in floatfns.c */
2375 extern double extract_float
P_ ((Lisp_Object
));
2377 EXFUN (Ftruncate
, 2);
2378 extern void init_floatfns
P_ ((void));
2379 extern void syms_of_floatfns
P_ ((void));
2381 /* Defined in fringe.c */
2382 extern void syms_of_fringe
P_ ((void));
2383 extern void init_fringe
P_ ((void));
2384 extern void init_fringe_once
P_ ((void));
2386 /* Defined in image.c */
2387 EXFUN (Finit_image_library
, 2);
2388 extern void syms_of_image
P_ ((void));
2389 extern void init_image
P_ ((void));
2391 /* Defined in insdel.c */
2392 extern Lisp_Object Qinhibit_modification_hooks
;
2393 extern void move_gap
P_ ((int));
2394 extern void move_gap_both
P_ ((int, int));
2395 extern void make_gap
P_ ((int));
2396 extern int copy_text
P_ ((const unsigned char *, unsigned char *, int, int, int));
2397 extern int count_size_as_multibyte
P_ ((const unsigned char *, int));
2398 extern int count_combining_before
P_ ((const unsigned char *, int, int, int));
2399 extern int count_combining_after
P_ ((const unsigned char *, int, int, int));
2400 extern void insert
P_ ((const unsigned char *, int));
2401 extern void insert_and_inherit
P_ ((const unsigned char *, int));
2402 extern void insert_1
P_ ((const unsigned char *, int, int, int, int));
2403 extern void insert_1_both
P_ ((const unsigned char *, int, int, int, int, int));
2404 extern void insert_from_gap
P_ ((int, int));
2405 extern void insert_from_string
P_ ((Lisp_Object
, int, int, int, int, int));
2406 extern void insert_from_buffer
P_ ((struct buffer
*, int, int, int));
2407 extern void insert_char
P_ ((int));
2408 extern void insert_string
P_ ((const char *));
2409 extern void insert_before_markers
P_ ((const unsigned char *, int));
2410 extern void insert_before_markers_and_inherit
P_ ((const unsigned char *, int));
2411 extern void insert_from_string_before_markers
P_ ((Lisp_Object
, int, int, int, int, int));
2412 extern void del_range
P_ ((int, int));
2413 extern Lisp_Object del_range_1
P_ ((int, int, int, int));
2414 extern void del_range_byte
P_ ((int, int, int));
2415 extern void del_range_both
P_ ((int, int, int, int, int));
2416 extern Lisp_Object del_range_2
P_ ((int, int, int, int, int));
2417 extern void modify_region
P_ ((struct buffer
*, int, int));
2418 extern void prepare_to_modify_buffer
P_ ((int, int, int *));
2419 extern void signal_before_change
P_ ((int, int, int *));
2420 extern void signal_after_change
P_ ((int, int, int));
2421 extern void adjust_after_replace
P_ ((int, int, Lisp_Object
, int, int));
2422 extern void adjust_after_replace_noundo
P_ ((int, int, int, int, int, int));
2423 extern void adjust_after_insert
P_ ((int, int, int, int, int));
2424 extern void replace_range
P_ ((int, int, Lisp_Object
, int, int, int));
2425 extern void replace_range_2
P_ ((int, int, int, int, char *, int, int, int));
2426 extern void syms_of_insdel
P_ ((void));
2428 /* Defined in dispnew.c */
2429 extern Lisp_Object selected_frame
;
2430 extern EMACS_INT baud_rate
;
2432 EXFUN (Fredraw_frame
, 1);
2433 EXFUN (Fredraw_display
, 0);
2434 EXFUN (Fsleep_for
, 2);
2435 EXFUN (Fsit_for
, 3);
2436 extern Lisp_Object sit_for
P_ ((int, int, int, int, int));
2437 extern void init_display
P_ ((void));
2438 extern void syms_of_display
P_ ((void));
2439 extern void safe_bcopy
P_ ((const char *, char *, int));
2441 /* Defined in xdisp.c */
2442 extern Lisp_Object Qinhibit_point_motion_hooks
;
2443 extern Lisp_Object Qinhibit_redisplay
, Qdisplay
;
2444 extern Lisp_Object Qinhibit_eval_during_redisplay
;
2445 extern Lisp_Object Qmessage_truncate_lines
;
2446 extern Lisp_Object Qimage
;
2447 extern Lisp_Object Vmessage_log_max
;
2448 extern int message_enable_multibyte
;
2449 extern Lisp_Object echo_area_buffer
[2];
2450 extern void check_message_stack
P_ ((void));
2451 extern void setup_echo_area_for_printing
P_ ((int));
2452 extern int push_message
P_ ((void));
2453 extern Lisp_Object pop_message_unwind
P_ ((Lisp_Object
));
2454 extern Lisp_Object restore_message_unwind
P_ ((Lisp_Object
));
2455 extern void pop_message
P_ ((void));
2456 extern void restore_message
P_ ((void));
2457 extern Lisp_Object current_message
P_ ((void));
2458 extern void set_message
P_ ((const char *s
, Lisp_Object
, int, int));
2459 extern void clear_message
P_ ((int, int));
2460 extern void message
P_ ((/* char *, ... */));
2461 extern void message_nolog
P_ ((/* char *, ... */));
2462 extern void message1
P_ ((char *));
2463 extern void message1_nolog
P_ ((char *));
2464 extern void message2
P_ ((const char *, int, int));
2465 extern void message2_nolog
P_ ((const char *, int, int));
2466 extern void message3
P_ ((Lisp_Object
, int, int));
2467 extern void message3_nolog
P_ ((Lisp_Object
, int, int));
2468 extern void message_dolog
P_ ((const char *, int, int, int));
2469 extern void message_with_string
P_ ((char *, Lisp_Object
, int));
2470 extern void message_log_maybe_newline
P_ ((void));
2471 extern void update_echo_area
P_ ((void));
2472 extern void truncate_echo_area
P_ ((int));
2473 extern void redisplay
P_ ((void));
2474 extern int check_point_in_composition
2475 P_ ((struct buffer
*, int, struct buffer
*, int));
2476 extern void redisplay_preserve_echo_area
P_ ((int));
2477 extern void prepare_menu_bars
P_ ((void));
2479 void set_frame_cursor_types
P_ ((struct frame
*, Lisp_Object
));
2480 extern void syms_of_xdisp
P_ ((void));
2481 extern void init_xdisp
P_ ((void));
2482 extern Lisp_Object safe_eval
P_ ((Lisp_Object
));
2483 extern int pos_visible_p
P_ ((struct window
*, int, int *,
2484 int *, int *, int *, int));
2486 /* Defined in vm-limit.c. */
2487 extern void memory_warnings
P_ ((POINTER_TYPE
*, void (*warnfun
) ()));
2489 /* Defined in alloc.c */
2490 extern void check_pure_size
P_ ((void));
2491 extern void allocate_string_data
P_ ((struct Lisp_String
*, int, int));
2492 extern void reset_malloc_hooks
P_ ((void));
2493 extern void uninterrupt_malloc
P_ ((void));
2494 extern void malloc_warning
P_ ((char *));
2495 extern void memory_full
P_ ((void));
2496 extern void buffer_memory_full
P_ ((void));
2497 extern int survives_gc_p
P_ ((Lisp_Object
));
2498 extern void mark_object
P_ ((Lisp_Object
));
2499 extern Lisp_Object Vpurify_flag
;
2500 extern Lisp_Object Vmemory_full
;
2506 EXFUN (Flist
, MANY
);
2507 EXFUN (Fmake_list
, 2);
2508 extern Lisp_Object allocate_misc
P_ ((void));
2509 EXFUN (Fmake_vector
, 2);
2510 EXFUN (Fvector
, MANY
);
2511 EXFUN (Fmake_symbol
, 1);
2512 EXFUN (Fmake_marker
, 0);
2513 EXFUN (Fmake_string
, 2);
2514 extern Lisp_Object build_string
P_ ((const char *));
2515 extern Lisp_Object make_string
P_ ((const char *, int));
2516 extern Lisp_Object make_unibyte_string
P_ ((const char *, int));
2517 extern Lisp_Object make_multibyte_string
P_ ((const char *, int, int));
2518 extern Lisp_Object make_event_array
P_ ((int, Lisp_Object
*));
2519 extern Lisp_Object make_uninit_string
P_ ((int));
2520 extern Lisp_Object make_uninit_multibyte_string
P_ ((int, int));
2521 extern Lisp_Object make_string_from_bytes
P_ ((const char *, int, int));
2522 extern Lisp_Object make_specified_string
P_ ((const char *, int, int, int));
2523 EXFUN (Fpurecopy
, 1);
2524 extern Lisp_Object make_pure_string
P_ ((char *, int, int, int));
2525 extern Lisp_Object pure_cons
P_ ((Lisp_Object
, Lisp_Object
));
2526 extern Lisp_Object make_pure_vector
P_ ((EMACS_INT
));
2527 EXFUN (Fgarbage_collect
, 0);
2528 EXFUN (Fmake_byte_code
, MANY
);
2529 EXFUN (Fmake_bool_vector
, 2);
2530 extern Lisp_Object Qchar_table_extra_slots
;
2531 extern struct Lisp_Vector
*allocate_vector
P_ ((EMACS_INT
));
2532 extern struct Lisp_Vector
*allocate_other_vector
P_ ((EMACS_INT
));
2533 extern struct Lisp_Hash_Table
*allocate_hash_table
P_ ((void));
2534 extern struct window
*allocate_window
P_ ((void));
2535 extern struct frame
*allocate_frame
P_ ((void));
2536 extern struct Lisp_Process
*allocate_process
P_ ((void));
2537 extern int gc_in_progress
;
2538 extern int abort_on_gc
;
2539 extern Lisp_Object make_float
P_ ((double));
2540 extern void display_malloc_warning
P_ ((void));
2541 extern int inhibit_garbage_collection
P_ ((void));
2542 extern Lisp_Object make_save_value
P_ ((void *, int));
2543 extern void free_misc
P_ ((Lisp_Object
));
2544 extern void free_marker
P_ ((Lisp_Object
));
2545 extern void free_cons
P_ ((struct Lisp_Cons
*));
2546 extern void init_alloc_once
P_ ((void));
2547 extern void init_alloc
P_ ((void));
2548 extern void syms_of_alloc
P_ ((void));
2549 extern struct buffer
* allocate_buffer
P_ ((void));
2551 /* Defined in chartab.c */
2552 EXFUN (Fmake_char_table
, 2);
2553 EXFUN (Fchar_table_parent
, 1);
2554 EXFUN (Fset_char_table_parent
, 2);
2555 EXFUN (Fchar_table_extra_slot
, 2);
2556 EXFUN (Fset_char_table_extra_slot
, 3);
2557 EXFUN (Fchar_table_range
, 2);
2558 EXFUN (Fset_char_table_range
, 3);
2559 EXFUN (Fset_char_table_default
, 3);
2560 EXFUN (Foptimize_char_table
, 1);
2561 EXFUN (Fmap_char_table
, 2);
2562 extern Lisp_Object copy_char_table
P_ ((Lisp_Object
));
2563 extern Lisp_Object sub_char_table_ref
P_ ((Lisp_Object
, int));
2564 extern Lisp_Object char_table_ref
P_ ((Lisp_Object
, int));
2565 extern Lisp_Object char_table_ref_and_range
P_ ((Lisp_Object
, int,
2567 extern Lisp_Object char_table_set
P_ ((Lisp_Object
, int, Lisp_Object
));
2568 extern Lisp_Object char_table_set_range
P_ ((Lisp_Object
, int, int,
2570 extern int char_table_translate
P_ ((Lisp_Object
, int));
2571 extern void map_char_table
P_ ((void (*) (Lisp_Object
, Lisp_Object
,
2573 Lisp_Object
, Lisp_Object
, Lisp_Object
));
2574 extern void syms_of_chartab
P_ ((void));
2576 /* Defined in print.c */
2577 extern Lisp_Object Vprin1_to_string_buffer
;
2578 extern void debug_print
P_ ((Lisp_Object
));
2580 EXFUN (Fprin1_to_string
, 2);
2584 EXFUN (Ferror_message_string
, 1);
2585 extern Lisp_Object Vstandard_output
, Qstandard_output
;
2586 extern Lisp_Object Qexternal_debugging_output
;
2587 extern void temp_output_buffer_setup
P_ ((const char *));
2588 extern int print_level
, print_escape_newlines
;
2589 extern Lisp_Object Qprint_escape_newlines
;
2590 extern void write_string
P_ ((char *, int));
2591 extern void write_string_1
P_ ((char *, int, Lisp_Object
));
2592 extern void print_error_message
P_ ((Lisp_Object
, Lisp_Object
, char *, Lisp_Object
));
2593 extern Lisp_Object internal_with_output_to_temp_buffer
2594 P_ ((const char *, Lisp_Object (*) (Lisp_Object
), Lisp_Object
));
2595 extern void float_to_string
P_ ((unsigned char *, double));
2596 extern void syms_of_print
P_ ((void));
2598 /* Defined in doprnt.c */
2599 extern int doprnt
P_ ((char *, int, char *, char *, int, char **));
2600 extern int doprnt_lisp
P_ ((char *, int, char *, char *, int, char **));
2602 /* Defined in lread.c */
2603 extern Lisp_Object Qvariable_documentation
, Qstandard_input
;
2604 extern Lisp_Object Vobarray
, initial_obarray
, Vstandard_input
;
2606 EXFUN (Fread_from_string
, 3);
2608 EXFUN (Fintern_soft
, 2);
2610 EXFUN (Fget_file_char
, 0);
2611 EXFUN (Fread_char
, 2);
2612 EXFUN (Fread_event
, 2);
2613 extern Lisp_Object read_filtered_event
P_ ((int, int, int, int));
2614 EXFUN (Feval_region
, 4);
2615 extern Lisp_Object intern
P_ ((const char *));
2616 extern Lisp_Object make_symbol
P_ ((char *));
2617 extern Lisp_Object oblookup
P_ ((Lisp_Object
, const char *, int, int));
2618 #define LOADHIST_ATTACH(x) \
2619 if (initialized) Vcurrent_load_list = Fcons (x, Vcurrent_load_list)
2620 extern Lisp_Object Vcurrent_load_list
;
2621 extern Lisp_Object Vload_history
, Vload_suffixes
;
2622 extern int openp
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
,
2623 Lisp_Object
*, Lisp_Object
));
2624 extern int isfloat_string
P_ ((char *));
2625 extern void map_obarray
P_ ((Lisp_Object
, void (*) (Lisp_Object
, Lisp_Object
),
2627 extern void dir_warning
P_ ((char *, Lisp_Object
));
2628 extern void close_load_descs
P_ ((void));
2629 extern void init_obarray
P_ ((void));
2630 extern void init_lread
P_ ((void));
2631 extern void syms_of_lread
P_ ((void));
2633 /* Defined in eval.c */
2634 extern Lisp_Object Qautoload
, Qexit
, Qinteractive
, Qcommandp
, Qdefun
, Qmacro
;
2635 extern Lisp_Object Vinhibit_quit
, Qinhibit_quit
, Vquit_flag
;
2636 extern Lisp_Object Vautoload_queue
;
2637 extern Lisp_Object Vdebug_on_error
;
2638 extern Lisp_Object Vsignaling_function
;
2639 extern int handling_signal
;
2640 extern int interactive_p
P_ ((int));
2642 /* To run a normal hook, use the appropriate function from the list below.
2643 The calling convention:
2645 if (!NILP (Vrun_hooks))
2646 call1 (Vrun_hooks, Qmy_funny_hook);
2648 should no longer be used. */
2649 extern Lisp_Object Vrun_hooks
;
2650 EXFUN (Frun_hooks
, MANY
);
2651 EXFUN (Frun_hook_with_args
, MANY
);
2652 EXFUN (Frun_hook_with_args_until_success
, MANY
);
2653 EXFUN (Frun_hook_with_args_until_failure
, MANY
);
2654 extern Lisp_Object run_hook_list_with_args
P_ ((Lisp_Object
, int, Lisp_Object
*));
2655 extern void run_hook_with_args_2
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
));
2656 EXFUN (Fand
, UNEVALLED
);
2657 EXFUN (For
, UNEVALLED
);
2658 EXFUN (Fif
, UNEVALLED
);
2659 EXFUN (Fprogn
, UNEVALLED
);
2660 EXFUN (Fprog1
, UNEVALLED
);
2661 EXFUN (Fprog2
, UNEVALLED
);
2662 EXFUN (Fsetq
, UNEVALLED
);
2663 EXFUN (Fquote
, UNEVALLED
);
2664 EXFUN (Fuser_variable_p
, 1);
2665 EXFUN (Finteractive_p
, 0);
2666 EXFUN (Fdefun
, UNEVALLED
);
2667 EXFUN (Flet
, UNEVALLED
);
2668 EXFUN (FletX
, UNEVALLED
);
2669 EXFUN (Fwhile
, UNEVALLED
);
2670 EXFUN (Fcatch
, UNEVALLED
);
2671 EXFUN (Fthrow
, 2) NO_RETURN
;
2672 EXFUN (Funwind_protect
, UNEVALLED
);
2673 EXFUN (Fcondition_case
, UNEVALLED
);
2675 EXFUN (Fautoload
, 5);
2676 EXFUN (Fcommandp
, 2);
2678 EXFUN (Fapply
, MANY
);
2679 EXFUN (Ffuncall
, MANY
);
2680 EXFUN (Fbacktrace
, 0);
2681 extern Lisp_Object apply1
P_ ((Lisp_Object
, Lisp_Object
));
2682 extern Lisp_Object call0
P_ ((Lisp_Object
));
2683 extern Lisp_Object call1
P_ ((Lisp_Object
, Lisp_Object
));
2684 extern Lisp_Object call2
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
));
2685 extern Lisp_Object call3
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
));
2686 extern Lisp_Object call4
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
));
2687 extern Lisp_Object call5
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
));
2688 extern Lisp_Object call6
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
));
2689 EXFUN (Fdo_auto_save
, 2);
2690 extern Lisp_Object apply_lambda
P_ ((Lisp_Object
, Lisp_Object
, int));
2691 extern Lisp_Object internal_catch
P_ ((Lisp_Object
, Lisp_Object (*) (Lisp_Object
), Lisp_Object
));
2692 extern Lisp_Object internal_condition_case
P_ ((Lisp_Object (*) (void), Lisp_Object
, Lisp_Object (*) (Lisp_Object
)));
2693 extern Lisp_Object internal_condition_case_1
P_ ((Lisp_Object (*) (Lisp_Object
), Lisp_Object
, Lisp_Object
, Lisp_Object (*) (Lisp_Object
)));
2694 extern Lisp_Object internal_condition_case_2
P_ ((Lisp_Object (*) (int, Lisp_Object
*), int, Lisp_Object
*, Lisp_Object
, Lisp_Object (*) (Lisp_Object
)));
2695 extern void specbind
P_ ((Lisp_Object
, Lisp_Object
));
2696 extern void record_unwind_protect
P_ ((Lisp_Object (*) (Lisp_Object
), Lisp_Object
));
2697 extern Lisp_Object unbind_to
P_ ((int, Lisp_Object
));
2698 extern void error
P_ ((/* char *, ... */)) NO_RETURN
;
2699 extern void do_autoload
P_ ((Lisp_Object
, Lisp_Object
));
2700 extern Lisp_Object un_autoload
P_ ((Lisp_Object
));
2701 EXFUN (Ffetch_bytecode
, 1);
2702 extern void init_eval_once
P_ ((void));
2703 extern Lisp_Object safe_call
P_ ((int, Lisp_Object
*));
2704 extern Lisp_Object safe_call1
P_ ((Lisp_Object
, Lisp_Object
));
2705 extern void init_eval
P_ ((void));
2706 extern void syms_of_eval
P_ ((void));
2708 /* Defined in editfns.c */
2709 EXFUN (Fpropertize
, MANY
);
2710 EXFUN (Fcurrent_message
, 0);
2711 EXFUN (Fgoto_char
, 1);
2712 EXFUN (Fpoint_min_marker
, 0);
2713 EXFUN (Fpoint_max_marker
, 0);
2714 EXFUN (Fpoint_min
, 0);
2715 EXFUN (Fpoint_max
, 0);
2717 EXFUN (Fpoint_marker
, 0);
2718 EXFUN (Fmark_marker
, 0);
2719 EXFUN (Fline_beginning_position
, 1);
2720 EXFUN (Fline_end_position
, 1);
2721 EXFUN (Ffollowing_char
, 0);
2722 EXFUN (Fprevious_char
, 0);
2723 EXFUN (Fchar_after
, 1);
2724 EXFUN (Finsert
, MANY
);
2725 EXFUN (Finsert_and_inherit
, MANY
);
2726 EXFUN (Finsert_before_markers
, MANY
);
2727 EXFUN (Finsert_buffer_substring
, 3);
2728 EXFUN (Finsert_char
, 3);
2729 extern void insert1
P_ ((Lisp_Object
));
2734 EXFUN (Fformat
, MANY
);
2735 EXFUN (Fmessage
, MANY
);
2736 extern Lisp_Object format2
P_ ((char *, Lisp_Object
, Lisp_Object
));
2737 extern Lisp_Object make_buffer_string
P_ ((int, int, int));
2738 EXFUN (Fbuffer_substring
, 2);
2739 EXFUN (Fbuffer_string
, 0);
2740 extern Lisp_Object save_excursion_save
P_ ((void));
2741 extern Lisp_Object save_restriction_save
P_ ((void));
2742 extern Lisp_Object save_excursion_restore
P_ ((Lisp_Object
));
2743 extern Lisp_Object save_restriction_restore
P_ ((Lisp_Object
));
2744 EXFUN (Fchar_to_string
, 1);
2745 EXFUN (Fdelete_region
, 2);
2746 EXFUN (Fnarrow_to_region
, 2);
2748 EXFUN (Fuser_login_name
, 1);
2749 EXFUN (Fsystem_name
, 0);
2750 EXFUN (Fcurrent_time
, 0);
2751 extern int clip_to_bounds
P_ ((int, int, int));
2752 extern Lisp_Object make_buffer_string
P_ ((int, int, int));
2753 extern Lisp_Object make_buffer_string_both
P_ ((int, int, int, int, int));
2754 extern void init_editfns
P_ ((void));
2755 extern void syms_of_editfns
P_ ((void));
2756 EXFUN (Fcurrent_message
, 0);
2757 extern Lisp_Object Vinhibit_field_text_motion
;
2758 EXFUN (Fconstrain_to_field
, 5);
2759 EXFUN (Ffield_string
, 1);
2760 EXFUN (Fdelete_field
, 1);
2761 EXFUN (Ffield_beginning
, 3);
2762 EXFUN (Ffield_end
, 3);
2763 EXFUN (Ffield_string_no_properties
, 1);
2764 extern void set_time_zone_rule
P_ ((char *));
2766 /* defined in buffer.c */
2767 extern int mouse_face_overlay_overlaps
P_ ((Lisp_Object
));
2768 extern void nsberror
P_ ((Lisp_Object
));
2769 extern char *no_switch_window
P_ ((Lisp_Object window
));
2770 EXFUN (Fset_buffer_multibyte
, 1);
2771 EXFUN (Foverlay_start
, 1);
2772 EXFUN (Foverlay_end
, 1);
2773 extern void adjust_overlays_for_insert
P_ ((EMACS_INT
, EMACS_INT
));
2774 extern void adjust_overlays_for_delete
P_ ((EMACS_INT
, EMACS_INT
));
2775 extern void fix_start_end_in_overlays
P_ ((int, int));
2776 extern void report_overlay_modification
P_ ((Lisp_Object
, Lisp_Object
, int,
2777 Lisp_Object
, Lisp_Object
, Lisp_Object
));
2778 extern int overlay_touches_p
P_ ((int));
2779 extern Lisp_Object Vbuffer_alist
, Vinhibit_read_only
;
2780 EXFUN (Fget_buffer
, 1);
2781 EXFUN (Fget_buffer_create
, 1);
2782 EXFUN (Fgenerate_new_buffer_name
, 2);
2783 EXFUN (Fset_buffer
, 1);
2784 EXFUN (set_buffer_if_live
, 1);
2785 EXFUN (Fbarf_if_buffer_read_only
, 0);
2786 EXFUN (Fcurrent_buffer
, 0);
2787 EXFUN (Fswitch_to_buffer
, 2);
2788 EXFUN (Fpop_to_buffer
, 3);
2789 EXFUN (Fother_buffer
, 3);
2790 EXFUN (Foverlay_get
, 2);
2791 EXFUN (Fbuffer_modified_p
, 1);
2792 EXFUN (Fset_buffer_modified_p
, 1);
2793 EXFUN (Fkill_buffer
, 1);
2794 EXFUN (Fkill_all_local_variables
, 0);
2795 EXFUN (Fbuffer_disable_undo
, 1);
2796 EXFUN (Fbuffer_enable_undo
, 1);
2797 EXFUN (Ferase_buffer
, 0);
2798 extern Lisp_Object Qoverlayp
;
2799 extern Lisp_Object get_truename_buffer
P_ ((Lisp_Object
));
2800 extern struct buffer
*all_buffers
;
2801 EXFUN (Fprevious_overlay_change
, 1);
2802 EXFUN (Fbuffer_file_name
, 1);
2803 extern void init_buffer_once
P_ ((void));
2804 extern void init_buffer
P_ ((void));
2805 extern void syms_of_buffer
P_ ((void));
2806 extern void keys_of_buffer
P_ ((void));
2808 /* defined in marker.c */
2810 EXFUN (Fmarker_position
, 1);
2811 EXFUN (Fmarker_buffer
, 1);
2812 EXFUN (Fcopy_marker
, 2);
2813 EXFUN (Fset_marker
, 3);
2814 extern int marker_position
P_ ((Lisp_Object
));
2815 extern int marker_byte_position
P_ ((Lisp_Object
));
2816 extern void clear_charpos_cache
P_ ((struct buffer
*));
2817 extern int charpos_to_bytepos
P_ ((int));
2818 extern int buf_charpos_to_bytepos
P_ ((struct buffer
*, int));
2819 extern int buf_bytepos_to_charpos
P_ ((struct buffer
*, int));
2820 extern void unchain_marker
P_ ((struct Lisp_Marker
*marker
));
2821 extern Lisp_Object set_marker_restricted
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
));
2822 extern Lisp_Object set_marker_both
P_ ((Lisp_Object
, Lisp_Object
, int, int));
2823 extern Lisp_Object set_marker_restricted_both
P_ ((Lisp_Object
, Lisp_Object
,
2825 extern void syms_of_marker
P_ ((void));
2827 /* Defined in fileio.c */
2829 extern Lisp_Object Qfile_error
;
2830 EXFUN (Ffind_file_name_handler
, 2);
2831 EXFUN (Ffile_name_as_directory
, 1);
2832 EXFUN (Fmake_temp_name
, 1);
2833 EXFUN (Fexpand_file_name
, 2);
2834 EXFUN (Ffile_name_nondirectory
, 1);
2835 EXFUN (Fsubstitute_in_file_name
, 1);
2836 EXFUN (Ffile_symlink_p
, 1);
2837 EXFUN (Fverify_visited_file_modtime
, 1);
2838 EXFUN (Ffile_exists_p
, 1);
2839 EXFUN (Ffile_name_absolute_p
, 1);
2840 EXFUN (Fdirectory_file_name
, 1);
2841 EXFUN (Ffile_name_directory
, 1);
2842 extern Lisp_Object expand_and_dir_to_file
P_ ((Lisp_Object
, Lisp_Object
));
2843 EXFUN (Ffile_accessible_directory_p
, 1);
2844 EXFUN (Funhandled_file_name_directory
, 1);
2845 EXFUN (Ffile_directory_p
, 1);
2846 EXFUN (Fwrite_region
, 7);
2847 EXFUN (Ffile_readable_p
, 1);
2848 EXFUN (Ffile_executable_p
, 1);
2849 EXFUN (Fread_file_name
, 6);
2850 extern Lisp_Object close_file_unwind
P_ ((Lisp_Object
));
2851 extern void report_file_error
P_ ((const char *, Lisp_Object
));
2852 extern int internal_delete_file
P_ ((Lisp_Object
));
2853 extern void syms_of_fileio
P_ ((void));
2854 EXFUN (Fmake_temp_name
, 1);
2855 extern void init_fileio_once
P_ ((void));
2856 extern Lisp_Object make_temp_name
P_ ((Lisp_Object
, int));
2857 EXFUN (Fmake_symbolic_link
, 3);
2859 /* Defined in abbrev.c */
2861 extern void syms_of_abbrev
P_ ((void));
2863 /* defined in search.c */
2864 extern void shrink_regexp_cache
P_ ((void));
2865 EXFUN (Fstring_match
, 3);
2866 extern void restore_match_data
P_ ((void));
2867 EXFUN (Fmatch_data
, 2);
2868 EXFUN (Fset_match_data
, 1);
2869 EXFUN (Fmatch_beginning
, 1);
2870 EXFUN (Fmatch_end
, 1);
2871 EXFUN (Flooking_at
, 1);
2872 extern int fast_string_match
P_ ((Lisp_Object
, Lisp_Object
));
2873 extern int fast_c_string_match_ignore_case
P_ ((Lisp_Object
, const char *));
2874 extern int fast_string_match_ignore_case
P_ ((Lisp_Object
, Lisp_Object
));
2875 extern int scan_buffer
P_ ((int, int, int, int, int *, int));
2876 extern int scan_newline
P_ ((int, int, int, int, int, int));
2877 extern int find_next_newline
P_ ((int, int));
2878 extern int find_next_newline_no_quit
P_ ((int, int));
2879 extern int find_before_next_newline
P_ ((int, int, int));
2880 extern void syms_of_search
P_ ((void));
2882 /* defined in minibuf.c */
2884 extern Lisp_Object last_minibuf_string
;
2885 extern void choose_minibuf_frame
P_ ((void));
2886 EXFUN (Fcompleting_read
, 8);
2887 EXFUN (Fread_from_minibuffer
, 8);
2888 EXFUN (Fread_variable
, 2);
2889 EXFUN (Fread_buffer
, 3);
2890 EXFUN (Fread_minibuffer
, 2);
2891 EXFUN (Feval_minibuffer
, 2);
2892 EXFUN (Fread_string
, 5);
2893 EXFUN (Fread_no_blanks_input
, 3);
2894 extern Lisp_Object get_minibuffer
P_ ((int));
2895 extern void temp_echo_area_glyphs
P_ ((Lisp_Object
));
2896 extern void init_minibuf_once
P_ ((void));
2897 extern void syms_of_minibuf
P_ ((void));
2898 extern void keys_of_minibuf
P_ ((void));
2900 /* Defined in callint.c */
2902 extern Lisp_Object Qminus
, Qplus
, Vcurrent_prefix_arg
;
2903 extern Lisp_Object Vcommand_history
;
2904 extern Lisp_Object Qcall_interactively
, Qmouse_leave_buffer_hook
;
2905 EXFUN (Fcall_interactively
, 3);
2906 EXFUN (Fprefix_numeric_value
, 1);
2907 extern void syms_of_callint
P_ ((void));
2909 /* defined in casefiddle.c */
2911 EXFUN (Fdowncase
, 1);
2913 EXFUN (Fcapitalize
, 1);
2914 EXFUN (Fupcase_region
, 2);
2915 EXFUN (Fupcase_initials
, 1);
2916 EXFUN (Fupcase_initials_region
, 2);
2917 extern void syms_of_casefiddle
P_ ((void));
2918 extern void keys_of_casefiddle
P_ ((void));
2920 /* defined in casetab.c */
2922 EXFUN (Fset_case_table
, 1);
2923 EXFUN (Fset_standard_case_table
, 1);
2924 extern void init_casetab_once
P_ ((void));
2925 extern void syms_of_casetab
P_ ((void));
2927 /* defined in keyboard.c */
2930 extern Lisp_Object echo_message_buffer
;
2931 extern struct kboard
*echo_kboard
;
2932 extern void cancel_echoing
P_ ((void));
2933 extern Lisp_Object Qdisabled
, QCfilter
;
2934 extern Lisp_Object Vtty_erase_char
, Vhelp_form
, Vtop_level
;
2935 extern Lisp_Object Vthrow_on_input
;
2936 extern int input_pending
;
2937 EXFUN (Fdiscard_input
, 0);
2938 EXFUN (Frecursive_edit
, 0);
2939 EXFUN (Ftop_level
, 0);
2940 EXFUN (Fcommand_execute
, 4);
2941 EXFUN (Finput_pending_p
, 0);
2942 extern Lisp_Object menu_bar_items
P_ ((Lisp_Object
));
2943 extern Lisp_Object tool_bar_items
P_ ((Lisp_Object
, int *));
2944 extern Lisp_Object Qvertical_scroll_bar
;
2945 extern void discard_mouse_events
P_ ((void));
2946 EXFUN (Fevent_convert_list
, 1);
2947 EXFUN (Fread_key_sequence
, 5);
2948 EXFUN (Fset_input_mode
, 4);
2949 extern int detect_input_pending
P_ ((void));
2950 extern int detect_input_pending_ignore_squeezables
P_ ((void));
2951 extern int detect_input_pending_run_timers
P_ ((int));
2952 extern void safe_run_hooks
P_ ((Lisp_Object
));
2953 extern void cmd_error_internal
P_ ((Lisp_Object
, char *));
2954 extern Lisp_Object command_loop_1
P_ ((void));
2955 extern Lisp_Object recursive_edit_1
P_ ((void));
2956 extern void record_auto_save
P_ ((void));
2957 extern void init_keyboard
P_ ((void));
2958 extern void syms_of_keyboard
P_ ((void));
2959 extern void keys_of_keyboard
P_ ((void));
2960 extern char *push_key_description
P_ ((unsigned int, char *, int));
2963 /* defined in indent.c */
2964 EXFUN (Fvertical_motion
, 2);
2965 EXFUN (Findent_to
, 2);
2966 EXFUN (Fcurrent_column
, 0);
2967 EXFUN (Fmove_to_column
, 2);
2968 extern double current_column
P_ ((void));
2969 extern void invalidate_current_column
P_ ((void));
2970 extern int indented_beyond_p
P_ ((int, int, double));
2971 extern void syms_of_indent
P_ ((void));
2973 /* defined in frame.c */
2974 #ifdef HAVE_WINDOW_SYSTEM
2975 extern Lisp_Object Vx_resource_name
;
2976 extern Lisp_Object Vx_resource_class
;
2977 #endif /* HAVE_WINDOW_SYSTEM */
2978 extern Lisp_Object Qvisible
;
2979 extern void store_frame_param
P_ ((struct frame
*, Lisp_Object
, Lisp_Object
));
2980 extern void store_in_alist
P_ ((Lisp_Object
*, Lisp_Object
, Lisp_Object
));
2981 extern Lisp_Object do_switch_frame
P_ ((Lisp_Object
, int, int));
2982 extern Lisp_Object get_frame_param
P_ ((struct frame
*, Lisp_Object
));
2983 extern Lisp_Object frame_buffer_predicate
P_ ((Lisp_Object
));
2985 EXFUN (Fselect_frame
, 2);
2986 EXFUN (Fselected_frame
, 0);
2987 EXFUN (Fwindow_frame
, 1);
2988 EXFUN (Fframe_root_window
, 1);
2989 EXFUN (Fframe_first_window
, 1);
2990 EXFUN (Fframe_selected_window
, 1);
2991 EXFUN (Fframe_list
, 0);
2992 EXFUN (Fnext_frame
, 2);
2993 EXFUN (Fdelete_frame
, 2);
2994 EXFUN (Fset_mouse_position
, 3);
2995 EXFUN (Fmake_frame_visible
, 1);
2996 EXFUN (Fmake_frame_invisible
, 2);
2997 EXFUN (Ficonify_frame
, 1);
2998 EXFUN (Fframe_visible_p
, 1);
2999 EXFUN (Fvisible_frame_list
, 0);
3000 EXFUN (Fframe_parameter
, 2);
3001 EXFUN (Fframe_parameters
, 1);
3002 EXFUN (Fmodify_frame_parameters
, 2);
3003 EXFUN (Fset_frame_height
, 3);
3004 EXFUN (Fset_frame_width
, 3);
3005 EXFUN (Fset_frame_size
, 3);
3006 EXFUN (Fset_frame_position
, 3);
3007 EXFUN (Fraise_frame
, 1);
3008 EXFUN (Fredirect_frame_focus
, 2);
3009 EXFUN (Fset_frame_selected_window
, 2);
3010 extern Lisp_Object frame_buffer_list
P_ ((Lisp_Object
));
3011 extern void frames_discard_buffer
P_ ((Lisp_Object
));
3012 extern void set_frame_buffer_list
P_ ((Lisp_Object
, Lisp_Object
));
3013 extern void frames_bury_buffer
P_ ((Lisp_Object
));
3014 extern void syms_of_frame
P_ ((void));
3016 /* defined in emacs.c */
3017 extern Lisp_Object decode_env_path
P_ ((char *, char *));
3018 extern Lisp_Object Vinvocation_name
, Vinvocation_directory
;
3019 extern Lisp_Object Vinstallation_directory
, empty_string
;
3020 EXFUN (Fkill_emacs
, 1);
3022 void fixup_locale
P_ ((void));
3023 void synchronize_system_messages_locale
P_ ((void));
3024 void synchronize_system_time_locale
P_ ((void));
3026 #define setlocale(category, locale)
3027 #define fixup_locale()
3028 #define synchronize_system_messages_locale()
3029 #define synchronize_system_time_locale()
3031 void shut_down_emacs
P_ ((int, int, Lisp_Object
));
3032 /* Nonzero means don't do interactive redisplay and don't change tty modes */
3033 extern int noninteractive
;
3034 /* Nonzero means don't do use window-system-specific display code */
3035 extern int inhibit_window_system
;
3036 /* Nonzero means that a filter or a sentinel is running. */
3037 extern int running_asynch_code
;
3039 /* defined in process.c */
3040 EXFUN (Fget_process
, 1);
3041 EXFUN (Fget_buffer_process
, 1);
3042 EXFUN (Fprocessp
, 1);
3043 EXFUN (Fprocess_status
, 1);
3044 EXFUN (Fkill_process
, 2);
3045 EXFUN (Fprocess_send_eof
, 1);
3046 EXFUN (Fwaiting_for_user_input_p
, 0);
3047 extern Lisp_Object Qprocessp
;
3048 extern void kill_buffer_processes
P_ ((Lisp_Object
));
3049 extern int wait_reading_process_output
P_ ((int, int, int, int,
3051 struct Lisp_Process
*,
3053 extern void deactivate_process
P_ ((Lisp_Object
));
3054 extern void add_keyboard_wait_descriptor
P_ ((int));
3055 extern void delete_keyboard_wait_descriptor
P_ ((int));
3056 extern void close_process_descs
P_ ((void));
3057 extern void status_notify
P_ ((void));
3058 extern int read_process_output
P_ ((Lisp_Object
, int));
3059 extern void init_process
P_ ((void));
3060 extern void syms_of_process
P_ ((void));
3061 extern void setup_process_coding_systems
P_ ((Lisp_Object
));
3063 /* defined in callproc.c */
3064 extern Lisp_Object Vexec_path
, Vexec_suffixes
,
3065 Vexec_directory
, Vdata_directory
;
3066 extern Lisp_Object Vdoc_directory
;
3067 EXFUN (Fcall_process
, MANY
);
3068 extern int child_setup
P_ ((int, int, int, char **, int, Lisp_Object
));
3069 extern void init_callproc_1
P_ ((void));
3070 extern void init_callproc
P_ ((void));
3071 extern void set_process_environment
P_ ((void));
3072 extern void syms_of_callproc
P_ ((void));
3074 /* defined in doc.c */
3075 extern Lisp_Object Vdoc_file_name
;
3076 EXFUN (Fsubstitute_command_keys
, 1);
3077 EXFUN (Fdocumentation
, 2);
3078 EXFUN (Fdocumentation_property
, 3);
3079 extern Lisp_Object read_doc_string
P_ ((Lisp_Object
));
3080 extern Lisp_Object get_doc_string
P_ ((Lisp_Object
, int, int));
3081 extern void syms_of_doc
P_ ((void));
3082 extern int read_bytecode_char
P_ ((int));
3084 /* defined in bytecode.c */
3085 extern Lisp_Object Qbytecode
;
3086 EXFUN (Fbyte_code
, 3);
3087 extern void syms_of_bytecode
P_ ((void));
3088 extern struct byte_stack
*byte_stack_list
;
3089 extern void mark_byte_stack
P_ ((void));
3090 extern void unmark_byte_stack
P_ ((void));
3092 /* defined in macros.c */
3093 extern Lisp_Object Qexecute_kbd_macro
;
3094 EXFUN (Fexecute_kbd_macro
, 3);
3095 EXFUN (Fcancel_kbd_macro_events
, 0);
3096 extern void init_macros
P_ ((void));
3097 extern void syms_of_macros
P_ ((void));
3099 /* defined in undo.c */
3100 extern Lisp_Object Qinhibit_read_only
;
3101 EXFUN (Fundo_boundary
, 0);
3102 extern void truncate_undo_list
P_ ((struct buffer
*));
3103 extern void record_marker_adjustment
P_ ((Lisp_Object
, int));
3104 extern void record_insert
P_ ((int, int));
3105 extern void record_delete
P_ ((int, Lisp_Object
));
3106 extern void record_first_change
P_ ((void));
3107 extern void record_change
P_ ((int, int));
3108 extern void record_property_change
P_ ((int, int, Lisp_Object
, Lisp_Object
,
3110 extern void syms_of_undo
P_ ((void));
3111 extern Lisp_Object Vundo_outer_limit
;
3113 /* defined in textprop.c */
3114 extern Lisp_Object Qfont
, Qmouse_face
;
3115 extern Lisp_Object Qinsert_in_front_hooks
, Qinsert_behind_hooks
;
3116 EXFUN (Fnext_single_property_change
, 4);
3117 EXFUN (Fnext_single_char_property_change
, 4);
3118 EXFUN (Fprevious_single_property_change
, 4);
3119 EXFUN (Fget_text_property
, 3);
3120 EXFUN (Fput_text_property
, 5);
3121 EXFUN (Fprevious_char_property_change
, 2);
3122 EXFUN (Fnext_char_property_change
, 2);
3123 extern void report_interval_modification
P_ ((Lisp_Object
, Lisp_Object
));
3124 extern Lisp_Object next_single_char_property_change
P_ ((Lisp_Object
,
3129 /* defined in xmenu.c */
3130 EXFUN (Fx_popup_menu
, 2);
3131 EXFUN (Fx_popup_dialog
, 2);
3132 extern void syms_of_xmenu
P_ ((void));
3134 /* defined in sysdep.c */
3135 extern void stuff_char
P_ ((char c
));
3136 extern void init_sigio
P_ ((int));
3137 extern void request_sigio
P_ ((void));
3138 extern void unrequest_sigio
P_ ((void));
3139 extern void reset_sys_modes
P_ ((void));
3140 extern void sys_subshell
P_ ((void));
3141 extern void sys_suspend
P_ ((void));
3142 extern void discard_tty_input
P_ ((void));
3143 extern void init_sys_modes
P_ ((void));
3144 extern void reset_sys_modes
P_ ((void));
3145 extern void get_frame_size
P_ ((int *, int *));
3146 extern void wait_for_termination
P_ ((int));
3147 extern void flush_pending_output
P_ ((int));
3148 extern void child_setup_tty
P_ ((int));
3149 extern void setup_pty
P_ ((int));
3150 extern int set_window_size
P_ ((int, int, int));
3151 extern void create_process
P_ ((Lisp_Object
, char **, Lisp_Object
));
3152 extern int tabs_safe_p
P_ ((void));
3153 extern void init_baud_rate
P_ ((void));
3154 extern int emacs_open
P_ ((const char *, int, int));
3155 extern int emacs_close
P_ ((int));
3156 extern int emacs_read
P_ ((int, char *, unsigned int));
3157 extern int emacs_write
P_ ((int, const char *, unsigned int));
3159 /* defined in filelock.c */
3160 EXFUN (Funlock_buffer
, 0);
3161 EXFUN (Ffile_locked_p
, 1);
3162 extern void unlock_all_files
P_ ((void));
3163 extern void lock_file
P_ ((Lisp_Object
));
3164 extern void unlock_file
P_ ((Lisp_Object
));
3165 extern void unlock_buffer
P_ ((struct buffer
*));
3166 extern void syms_of_filelock
P_ ((void));
3167 extern void init_filelock
P_ ((void));
3169 /* Defined in sound.c */
3170 extern void syms_of_sound
P_ ((void));
3171 extern void init_sound
P_ ((void));
3173 /* Defined in category.c */
3174 extern void init_category_once
P_ ((void));
3175 extern Lisp_Object char_category_set
P_ ((int));
3176 extern void syms_of_category
P_ ((void));
3178 /* Defined in ccl.c */
3179 extern void syms_of_ccl
P_ ((void));
3181 /* Defined in dired.c */
3182 EXFUN (Ffile_attributes
, 2);
3183 extern void syms_of_dired
P_ ((void));
3185 /* Defined in term.c */
3186 extern void syms_of_term
P_ ((void));
3187 extern void fatal () NO_RETURN
;
3189 #ifdef HAVE_X_WINDOWS
3190 /* Defined in fontset.c */
3191 extern void syms_of_fontset
P_ ((void));
3192 EXFUN (Fset_fontset_font
, 5);
3193 EXFUN (Fnew_fontset
, 2);
3196 /* Defined in xfaces.c */
3197 extern void syms_of_xfaces
P_ ((void));
3199 /* Defined in getloadavg.c */
3200 extern int getloadavg
P_ ((double *, int));
3202 #ifdef HAVE_X_WINDOWS
3203 /* Defined in xfns.c */
3204 extern void syms_of_xfns
P_ ((void));
3205 #endif /* HAVE_X_WINDOWS */
3206 #ifdef HAVE_WINDOW_SYSTEM
3207 /* Defined in xfns.c, w32fns.c, or macfns.c */
3208 EXFUN (Fxw_display_color_p
, 1);
3209 EXFUN (Fx_file_dialog
, 5);
3210 #endif /* HAVE_WINDOW_SYSTEM */
3212 /* Defined in xsmfns.c */
3213 extern void syms_of_xsmfns
P_ ((void));
3215 /* Defined in xselect.c */
3216 extern void syms_of_xselect
P_ ((void));
3218 /* Defined in xterm.c */
3219 extern void syms_of_xterm
P_ ((void));
3221 /* Defined in getloadavg.c */
3222 extern int getloadavg
P_ ((double [], int));
3225 /* Defined in msdos.c */
3226 EXFUN (Fmsdos_downcase_filename
, 1);
3229 /* Nonzero means Emacs has already been initialized.
3230 Used during startup to detect startup of dumped Emacs. */
3231 extern int initialized
;
3233 extern int immediate_quit
; /* Nonzero means ^G can quit instantly */
3235 extern POINTER_TYPE
*xmalloc
P_ ((size_t));
3236 extern POINTER_TYPE
*xrealloc
P_ ((POINTER_TYPE
*, size_t));
3237 extern void xfree
P_ ((POINTER_TYPE
*));
3239 extern char *xstrdup
P_ ((const char *));
3241 extern char *egetenv
P_ ((char *));
3243 /* Set up the name of the machine we're running on. */
3244 extern void init_system_name
P_ ((void));
3246 /* Some systems (e.g., NT) use a different path separator than Unix,
3247 in addition to a device separator. Default the path separator
3248 to '/', and don't test for a device separator in IS_ANY_SEP. */
3251 extern Lisp_Object Vdirectory_sep_char
;
3254 #ifndef DIRECTORY_SEP
3255 #define DIRECTORY_SEP '/'
3257 #ifndef IS_DIRECTORY_SEP
3258 #define IS_DIRECTORY_SEP(_c_) ((_c_) == DIRECTORY_SEP)
3260 #ifndef IS_DEVICE_SEP
3262 #define IS_DEVICE_SEP(_c_) 0
3264 #define IS_DEVICE_SEP(_c_) ((_c_) == DEVICE_SEP)
3268 #define IS_ANY_SEP(_c_) (IS_DIRECTORY_SEP (_c_))
3271 #ifdef SWITCH_ENUM_BUG
3272 #define SWITCH_ENUM_CAST(x) ((int)(x))
3274 #define SWITCH_ENUM_CAST(x) (x)
3277 /* Loop over Lisp list LIST. Signal an error if LIST is not a proper
3278 list, or if it contains circles.
3280 HARE and TORTOISE should be the names of Lisp_Object variables, and
3281 N should be the name of an EMACS_INT variable declared in the
3282 function where the macro is used. Each nested loop should use
3285 In the loop body, HARE is set to each cons of LIST, and N is the
3286 length of the list processed so far. */
3288 #define LIST_END_P(list, obj) \
3293 : (wrong_type_argument (Qlistp, (list))), 1))
3295 #define FOREACH(hare, list, tortoise, n) \
3296 for (tortoise = hare = (list), n = 0; \
3297 !LIST_END_P (list, hare); \
3298 (hare = XCDR (hare), ++n, \
3300 ? (tortoise = XCDR (tortoise), \
3301 (EQ (hare, tortoise) \
3302 && (circular_list_error ((list)), 1))) \
3305 /* The ubiquitous min and max macros. */
3311 #define min(a, b) ((a) < (b) ? (a) : (b))
3312 #define max(a, b) ((a) > (b) ? (a) : (b))
3314 /* Return a fixnum or float, depending on whether VAL fits in a Lisp
3317 #define make_fixnum_or_float(val) \
3318 (FIXNUM_OVERFLOW_P (val) \
3319 ? make_float (val) \
3320 : make_number ((EMACS_INT)(val)))
3323 /* Checks the `cycle check' variable CHECK to see if it indicates that
3324 EL is part of a cycle; CHECK must be either Qnil or a value returned
3325 by an earlier use of CYCLE_CHECK. SUSPICIOUS is the number of
3326 elements after which a cycle might be suspected; after that many
3327 elements, this macro begins consing in order to keep more precise
3330 Returns nil if a cycle was detected, otherwise a new value for CHECK
3333 CHECK is evaluated multiple times, EL and SUSPICIOUS 0 or 1 times, so
3334 the caller should make sure that's ok. */
3336 #define CYCLE_CHECK(check, el, suspicious) \
3339 : (INTEGERP (check) \
3340 ? (XFASTINT (check) < (suspicious) \
3341 ? make_number (XFASTINT (check) + 1) \
3342 : Fcons (el, Qnil)) \
3343 : (!NILP (Fmemq ((el), (check))) \
3345 : Fcons ((el), (check)))))
3348 /* SAFE_ALLOCA normally allocates memory on the stack, but if size is
3349 larger than MAX_ALLOCA, use xmalloc to avoid overflowing the stack. */
3351 #define MAX_ALLOCA 16*1024
3353 extern Lisp_Object
safe_alloca_unwind (Lisp_Object
);
3355 #define USE_SAFE_ALLOCA \
3356 int sa_count = SPECPDL_INDEX (), sa_must_free = 0
3358 /* SAFE_ALLOCA allocates a simple buffer. */
3360 #define SAFE_ALLOCA(buf, type, size) \
3362 if ((size) < MAX_ALLOCA) \
3363 buf = (type) alloca (size); \
3366 buf = (type) xmalloc (size); \
3368 record_unwind_protect (safe_alloca_unwind, \
3369 make_save_value (buf, 0)); \
3373 /* SAFE_FREE frees xmalloced memory and enables GC as needed. */
3375 #define SAFE_FREE() \
3377 if (sa_must_free) { \
3379 unbind_to (sa_count, Qnil); \
3384 /* SAFE_ALLOCA_LISP allocates an array of Lisp_Objects. */
3386 #define SAFE_ALLOCA_LISP(buf, nelt) \
3388 int size_ = (nelt) * sizeof (Lisp_Object); \
3389 if (size_ < MAX_ALLOCA) \
3390 buf = (Lisp_Object *) alloca (size_); \
3394 buf = (Lisp_Object *) xmalloc (size_); \
3395 arg_ = make_save_value (buf, nelt); \
3396 XSAVE_VALUE (arg_)->dogc = 1; \
3398 record_unwind_protect (safe_alloca_unwind, arg_); \
3403 #endif /* EMACS_LISP_H */
3405 /* arch-tag: 9b2ed020-70eb-47ac-94ee-e1c2a5107d5e
3406 (do not change this comment) */