1 /* Fundamental definitions for GNU Emacs Lisp interpreter.
2 Copyright (C) 1985, 1986, 1987, 1993, 1994, 1995, 1997, 1998, 1999, 2000,
3 2001, 2002, 2003, 2004, 2005 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., 51 Franklin Street, Fifth Floor,
20 Boston, MA 02110-1301, USA. */
25 /* Declare the prototype for a general external function. */
26 #if defined (PROTOTYPES) || defined (WINDOWSNT)
27 #define P_(proto) proto
33 /* Define this temporarily to hunt a bug. If defined, the size of
34 strings is redundantly recorded in sdata structures so that it can
35 be compared to the sizes recorded in Lisp strings. */
37 #define GC_CHECK_STRING_BYTES 1
39 /* Define this to check for short string overrun. */
41 #define GC_CHECK_STRING_OVERRUN 1
43 /* Define this to check the string free list. */
45 #define GC_CHECK_STRING_FREE_LIST 1
47 /* Define this to check for malloc buffer overrun. */
49 #define XMALLOC_OVERRUN_CHECK 1
51 /* Define this to check for errors in cons list. */
52 /* #define GC_CHECK_CONS_LIST 1 */
56 #ifdef GC_CHECK_CONS_LIST
57 #define CHECK_CONS_LIST() check_cons_list()
59 #define CHECK_CONS_LIST() 0
62 /* These are default choices for the types to use. */
65 #define EMACS_INT long
66 #define BITS_PER_EMACS_INT BITS_PER_LONG
69 #define EMACS_UINT unsigned long
74 #define BITS_PER_EMACS_INT BITS_PER_INT
77 #define EMACS_UINT unsigned int
81 /* Extra internal type checking? */
82 extern int suppress_checking
;
83 extern void die
P_((const char *, const char *, int));
85 #ifdef ENABLE_CHECKING
87 #define CHECK(check,msg) (((check) || suppress_checking \
89 : die ((msg), __FILE__, __LINE__)), \
93 /* Produce same side effects and result, but don't complain. */
94 #define CHECK(check,msg) ((check),0)
98 /* Used for making sure that Emacs is compilable in all
101 #ifdef USE_LISP_UNION_TYPE
105 /* Define an Emacs version of "assert", since some system ones are
107 #ifndef ENABLE_CHECKING
108 #define eassert(X) (void) 0
109 #else /* ENABLE_CHECKING */
110 #if defined (__GNUC__) && __GNUC__ >= 2 && defined (__STDC__)
111 #define eassert(cond) CHECK(cond,"assertion failed: " #cond)
113 #define eassert(cond) CHECK(cond,"assertion failed")
115 #endif /* ENABLE_CHECKING */
117 /* Define the fundamental Lisp data structures. */
119 /* This is the set of Lisp data types. */
123 /* Integer. XINT (obj) is the integer value. */
126 /* Symbol. XSYMBOL (object) points to a struct Lisp_Symbol. */
129 /* Miscellaneous. XMISC (object) points to a union Lisp_Misc,
130 whose first member indicates the subtype. */
133 /* String. XSTRING (object) points to a struct Lisp_String.
134 The length of the string, and its contents, are stored therein. */
137 /* Vector of Lisp objects, or something resembling it.
138 XVECTOR (object) points to a struct Lisp_Vector, which contains
139 the size and contents. The size field also contains the type
140 information, if it's not a real vector object. */
143 /* Cons. XCONS (object) points to a struct Lisp_Cons. */
148 /* This is not a type code. It is for range checking. */
152 /* This is the set of data types that share a common structure.
153 The first member of the structure is a type code from this set.
154 The enum values are arbitrary, but we'll use large numbers to make it
155 more likely that we'll spot the error if a random word in memory is
156 mistakenly interpreted as a Lisp_Misc. */
159 Lisp_Misc_Free
= 0x5eab,
164 Lisp_Misc_Buffer_Objfwd
,
165 Lisp_Misc_Buffer_Local_Value
,
166 Lisp_Misc_Some_Buffer_Local_Value
,
168 Lisp_Misc_Kboard_Objfwd
,
169 Lisp_Misc_Save_Value
,
170 /* Currently floats are not a misc type,
171 but let's define this in case we want to change that. */
173 /* This is not a type code. It is for range checking. */
181 /* These values are overridden by the m- file on some machines. */
183 #define VALBITS (BITS_PER_EMACS_INT - GCTYPEBITS)
186 #ifndef NO_UNION_TYPE
188 #ifndef WORDS_BIG_ENDIAN
190 /* Definition of Lisp_Object for little-endian machines. */
195 /* Used for comparing two Lisp_Objects;
196 also, positive integers can be accessed fast this way. */
201 EMACS_INT val
: VALBITS
;
202 enum Lisp_Type type
: GCTYPEBITS
;
206 EMACS_UINT val
: VALBITS
;
207 enum Lisp_Type type
: GCTYPEBITS
;
212 #else /* If WORDS_BIG_ENDIAN */
217 /* Used for comparing two Lisp_Objects;
218 also, positive integers can be accessed fast this way. */
223 enum Lisp_Type type
: GCTYPEBITS
;
224 EMACS_INT val
: VALBITS
;
228 enum Lisp_Type type
: GCTYPEBITS
;
229 EMACS_UINT val
: VALBITS
;
234 #endif /* WORDS_BIG_ENDIAN */
237 static __inline__ Lisp_Object
238 LISP_MAKE_RVALUE (Lisp_Object o
)
243 /* This isn't quite right - it keeps the argument as an lvalue.
244 Making it const via casting would help avoid code actually
245 modifying the location in question, but the casting could cover
246 other type-related bugs. */
247 #define LISP_MAKE_RVALUE(o) (o)
250 #endif /* NO_UNION_TYPE */
253 /* If union type is not wanted, define Lisp_Object as just a number. */
256 typedef EMACS_INT Lisp_Object
;
257 #define LISP_MAKE_RVALUE(o) (0+(o))
258 #endif /* NO_UNION_TYPE */
260 /* Two flags that are set during GC. On some machines, these flags
261 are defined differently by the m- file. */
263 /* In the size word of a vector, this bit means the vector has been marked. */
265 #ifndef ARRAY_MARK_FLAG
266 #define ARRAY_MARK_FLAG ((EMACS_INT) ((EMACS_UINT) 1 << (VALBITS + GCTYPEBITS - 1)))
267 #endif /* no ARRAY_MARK_FLAG */
269 /* In the size word of a struct Lisp_Vector, this bit means it's really
270 some other vector-like object. */
271 #ifndef PSEUDOVECTOR_FLAG
272 #define PSEUDOVECTOR_FLAG ((ARRAY_MARK_FLAG >> 1) & ~ARRAY_MARK_FLAG)
275 /* In a pseudovector, the size field actually contains a word with one
276 PSEUDOVECTOR_FLAG bit set, and exactly one of the following bits to
277 indicate the actual type. */
280 PVEC_NORMAL_VECTOR
= 0,
281 PVEC_PROCESS
= 0x200,
283 PVEC_COMPILED
= 0x800,
284 PVEC_WINDOW
= 0x1000,
285 PVEC_WINDOW_CONFIGURATION
= 0x2000,
287 PVEC_CHAR_TABLE
= 0x8000,
288 PVEC_BOOL_VECTOR
= 0x10000,
289 PVEC_BUFFER
= 0x20000,
290 PVEC_HASH_TABLE
= 0x40000,
291 PVEC_TYPE_MASK
= 0x7fe00
293 #if 0 /* This is used to make the value of PSEUDOVECTOR_FLAG available to
294 GDB. It doesn't work on OS Alpha. Moved to a variable in
296 PVEC_FLAG
= PSEUDOVECTOR_FLAG
300 /* For convenience, we also store the number of elements in these bits. */
301 #define PSEUDOVECTOR_SIZE_MASK 0x1ff
303 /* Number of bits to put in each character in the internal representation
304 of bool vectors. This should not vary across implementations. */
305 #define BOOL_VECTOR_BITS_PER_CHAR 8
307 /***** Select the tagging scheme. *****/
308 /* There are basically two options that control the tagging scheme:
309 - NO_UNION_TYPE says that Lisp_Object should be an integer instead
311 - USE_LSB_TAG means that we can assume the least 3 bits of pointers are
312 always 0, and we can thus use them to hold tag bits, without
313 restricting our addressing space.
315 If USE_LSB_TAG is not set, then we use the top 3 bits for tagging, thus
316 restricting our possible address range. Currently USE_LSB_TAG is not
317 allowed together with a union. This is not due to any fundamental
318 technical (or political ;-) problem: nobody wrote the code to do it yet.
320 USE_LSB_TAG not only requires the least 3 bits of pointers returned by
321 malloc to be 0 but also needs to be able to impose a mult-of-8 alignment
322 on the few static Lisp_Objects used: all the defsubr as well
323 as the two special buffers buffer_defaults and buffer_local_symbols. */
325 /* First, try and define DECL_ALIGN(type,var) which declares a static
326 variable VAR of type TYPE with the added requirement that it be
328 #ifndef NO_DECL_ALIGN
330 /* What compiler directive should we use for non-gcc compilers? -stef */
331 # if defined (__GNUC__)
332 # define DECL_ALIGN(type, var) \
333 type __attribute__ ((__aligned__ (1 << GCTYPEBITS))) var
338 /* Let's USE_LSB_TAG on systems where we know malloc returns mult-of-8. */
339 #if defined GNU_MALLOC || defined DOUG_LEA_MALLOC || defined __GLIBC__ || defined MAC_OSX
340 /* We also need to be able to specify mult-of-8 alignment on static vars. */
341 # if defined DECL_ALIGN
342 /* We currently do not support USE_LSB_TAG with a union Lisp_Object. */
343 # if defined NO_UNION_TYPE
349 /* If we cannot use 8-byte alignment, make DECL_ALIGN a no-op. */
352 # error "USE_LSB_TAG used without defining DECL_ALIGN"
354 # define DECL_ALIGN(type, var) type var
358 /* These macros extract various sorts of values from a Lisp_Object.
359 For example, if tem is a Lisp_Object whose type is Lisp_Cons,
360 XCONS (tem) is the struct Lisp_Cons * pointing to the memory for that cons. */
366 #define TYPEMASK ((((EMACS_INT) 1) << GCTYPEBITS) - 1)
367 #define XTYPE(a) ((enum Lisp_Type) (((EMACS_UINT) (a)) & TYPEMASK))
368 #define XINT(a) (((EMACS_INT) (a)) >> GCTYPEBITS)
369 #define XUINT(a) (((EMACS_UINT) (a)) >> GCTYPEBITS)
370 #define XSET(var, type, ptr) \
371 (eassert (XTYPE (ptr) == 0), /* Check alignment. */ \
372 (var) = ((EMACS_INT) (type)) | ((EMACS_INT) (ptr)))
373 #define make_number(N) (((EMACS_INT) (N)) << GCTYPEBITS)
375 /* XFASTINT and XSETFASTINT are for use when the integer is known to be
376 positive, in which case the implementation can sometimes be faster
377 depending on the tagging scheme. With USE_LSB_TAG, there's no benefit. */
378 #define XFASTINT(a) XINT (a)
379 #define XSETFASTINT(a, b) ((a) = make_number (b))
381 #define XPNTR(a) ((EMACS_INT) ((a) & ~TYPEMASK))
383 #else /* not USE_LSB_TAG */
385 #define VALMASK ((((EMACS_INT) 1) << VALBITS) - 1)
387 /* One need to override this if there must be high bits set in data space
388 (doing the result of the below & ((1 << (GCTYPE + 1)) - 1) would work
389 on all machines, but would penalize machines which don't need it)
391 #define XTYPE(a) ((enum Lisp_Type) (((EMACS_UINT) (a)) >> VALBITS))
393 /* For integers known to be positive, XFASTINT provides fast retrieval
394 and XSETFASTINT provides fast storage. This takes advantage of the
395 fact that Lisp_Int is 0. */
396 #define XFASTINT(a) ((a) + 0)
397 #define XSETFASTINT(a, b) ((a) = (b))
399 /* Extract the value of a Lisp_Object as a signed integer. */
401 #ifndef XINT /* Some machines need to do this differently. */
402 #define XINT(a) ((((EMACS_INT) (a)) << (BITS_PER_EMACS_INT - VALBITS)) \
403 >> (BITS_PER_EMACS_INT - VALBITS))
406 /* Extract the value as an unsigned integer. This is a basis
407 for extracting it as a pointer to a structure in storage. */
410 #define XUINT(a) ((EMACS_UINT) ((a) & VALMASK))
414 #define XSET(var, type, ptr) \
415 ((var) = ((EMACS_INT)(type) << VALBITS) + ((EMACS_INT) (ptr) & VALMASK))
418 /* Convert a C integer into a Lisp_Object integer. */
420 #define make_number(N) \
421 ((((EMACS_INT) (N)) & VALMASK) | ((EMACS_INT) Lisp_Int) << VALBITS)
423 #endif /* not USE_LSB_TAG */
425 #define EQ(x, y) ((x) == (y))
427 #else /* not NO_UNION_TYPE */
429 #define XTYPE(a) ((enum Lisp_Type) (a).u.type)
431 /* For integers known to be positive, XFASTINT provides fast retrieval
432 and XSETFASTINT provides fast storage. This takes advantage of the
433 fact that Lisp_Int is 0. */
434 #define XFASTINT(a) ((a).i + 0)
435 #define XSETFASTINT(a, b) ((a).i = (b))
437 #ifdef EXPLICIT_SIGN_EXTEND
438 /* Make sure we sign-extend; compilers have been known to fail to do so. */
439 #define XINT(a) (((a).s.val << (BITS_PER_EMACS_INT - VALBITS)) \
440 >> (BITS_PER_EMACS_INT - VALBITS))
442 #define XINT(a) ((a).s.val)
443 #endif /* EXPLICIT_SIGN_EXTEND */
445 #define XUINT(a) ((a).u.val)
447 #define XSET(var, vartype, ptr) \
448 (((var).s.val = ((EMACS_INT) (ptr))), ((var).s.type = ((char) (vartype))))
450 #if __GNUC__ >= 2 && defined (__OPTIMIZE__)
451 #define make_number(N) \
452 (__extension__ ({ Lisp_Object _l; _l.s.val = (N); _l.s.type = Lisp_Int; _l; }))
454 extern Lisp_Object make_number
P_ ((EMACS_INT
));
457 #define EQ(x, y) ((x).i == (y).i)
459 #endif /* NO_UNION_TYPE */
461 /* During garbage collection, XGCTYPE must be used for extracting types
462 so that the mark bit is ignored. XMARKBIT accesses the markbit.
463 Markbits are used only in particular slots of particular structure types.
464 Other markbits are always zero.
465 Outside of garbage collection, all mark bits are always zero. */
468 /* The distinction does not exist now that the MARKBIT has been eliminated. */
469 #define XGCTYPE(a) XTYPE (a)
474 /* In this representation, data is found in two widely separated segments. */
475 extern size_t pure_size
;
477 (XUINT (a) | (XUINT (a) > pure_size ? DATA_SEG_BITS : PURE_SEG_BITS))
478 #else /* not HAVE_SHM */
480 /* This case is used for the rt-pc.
481 In the diffs I was given, it checked for ptr = 0
482 and did not adjust it in that case.
483 But I don't think that zero should ever be found
484 in a Lisp object whose data type says it points to something. */
485 #define XPNTR(a) (XUINT (a) | DATA_SEG_BITS)
487 #define XPNTR(a) XUINT (a)
489 #endif /* not HAVE_SHM */
490 #endif /* no XPNTR */
492 /* Largest and smallest representable fixnum values. These are the C
495 #define MOST_NEGATIVE_FIXNUM - ((EMACS_INT) 1 << (VALBITS - 1))
496 #define MOST_POSITIVE_FIXNUM (((EMACS_INT) 1 << (VALBITS - 1)) - 1)
497 /* Mask indicating the significant bits of a Lisp_Int.
498 I.e. (x & INTMASK) == XUINT (make_number (x)). */
499 #define INTMASK ((((EMACS_INT) 1) << VALBITS) - 1)
501 /* Value is non-zero if C integer I doesn't fit into a Lisp fixnum. */
503 #define FIXNUM_OVERFLOW_P(i) \
504 ((EMACS_INT)(i) > MOST_POSITIVE_FIXNUM \
505 || (EMACS_INT) (i) < MOST_NEGATIVE_FIXNUM)
507 /* Extract a value or address from a Lisp_Object. */
509 #define XCONS(a) (eassert (GC_CONSP(a)),(struct Lisp_Cons *) XPNTR(a))
510 #define XVECTOR(a) (eassert (GC_VECTORLIKEP(a)),(struct Lisp_Vector *) XPNTR(a))
511 #define XSTRING(a) (eassert (GC_STRINGP(a)),(struct Lisp_String *) XPNTR(a))
512 #define XSYMBOL(a) (eassert (GC_SYMBOLP(a)),(struct Lisp_Symbol *) XPNTR(a))
513 #define XFLOAT(a) (eassert (GC_FLOATP(a)),(struct Lisp_Float *) XPNTR(a))
517 #define XMISC(a) ((union Lisp_Misc *) XPNTR(a))
518 #define XMISCTYPE(a) (XMARKER (a)->type)
519 #define XMARKER(a) (&(XMISC(a)->u_marker))
520 #define XINTFWD(a) (&(XMISC(a)->u_intfwd))
521 #define XBOOLFWD(a) (&(XMISC(a)->u_boolfwd))
522 #define XOBJFWD(a) (&(XMISC(a)->u_objfwd))
523 #define XBUFFER_OBJFWD(a) (&(XMISC(a)->u_buffer_objfwd))
524 #define XBUFFER_LOCAL_VALUE(a) (&(XMISC(a)->u_buffer_local_value))
525 #define XOVERLAY(a) (&(XMISC(a)->u_overlay))
526 #define XKBOARD_OBJFWD(a) (&(XMISC(a)->u_kboard_objfwd))
527 #define XSAVE_VALUE(a) (&(XMISC(a)->u_save_value))
529 /* Pseudovector types. */
531 #define XPROCESS(a) (eassert (GC_PROCESSP(a)),(struct Lisp_Process *) XPNTR(a))
532 #define XWINDOW(a) (eassert (GC_WINDOWP(a)),(struct window *) XPNTR(a))
533 #define XSUBR(a) (eassert (GC_SUBRP(a)),(struct Lisp_Subr *) XPNTR(a))
534 #define XBUFFER(a) (eassert (GC_BUFFERP(a)),(struct buffer *) XPNTR(a))
535 #define XCHAR_TABLE(a) ((struct Lisp_Char_Table *) XPNTR(a))
536 #define XBOOL_VECTOR(a) ((struct Lisp_Bool_Vector *) XPNTR(a))
538 /* Construct a Lisp_Object from a value or address. */
540 #define XSETINT(a, b) (a) = make_number (b)
541 #define XSETCONS(a, b) XSET (a, Lisp_Cons, b)
542 #define XSETVECTOR(a, b) XSET (a, Lisp_Vectorlike, b)
543 #define XSETSTRING(a, b) XSET (a, Lisp_String, b)
544 #define XSETSYMBOL(a, b) XSET (a, Lisp_Symbol, b)
545 #define XSETFLOAT(a, b) XSET (a, Lisp_Float, b)
549 #define XSETMISC(a, b) XSET (a, Lisp_Misc, b)
550 #define XSETMARKER(a, b) (XSETMISC (a, b), XMISCTYPE (a) = Lisp_Misc_Marker)
552 /* Pseudovector types. */
554 #define XSETPSEUDOVECTOR(a, b, code) \
555 (XSETVECTOR (a, b), XVECTOR (a)->size |= PSEUDOVECTOR_FLAG | (code))
556 #define XSETWINDOW_CONFIGURATION(a, b) \
557 (XSETPSEUDOVECTOR (a, b, PVEC_WINDOW_CONFIGURATION))
558 #define XSETPROCESS(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_PROCESS))
559 #define XSETWINDOW(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_WINDOW))
560 #define XSETSUBR(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_SUBR))
561 #define XSETCOMPILED(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_COMPILED))
562 #define XSETBUFFER(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_BUFFER))
563 #define XSETCHAR_TABLE(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_CHAR_TABLE))
564 #define XSETBOOL_VECTOR(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_BOOL_VECTOR))
566 /* Convenience macros for dealing with Lisp arrays. */
568 #define AREF(ARRAY, IDX) XVECTOR ((ARRAY))->contents[IDX]
569 #define ASET(ARRAY, IDX, VAL) (AREF ((ARRAY), (IDX)) = (VAL))
570 #define ASIZE(ARRAY) XVECTOR ((ARRAY))->size
572 /* Convenience macros for dealing with Lisp strings. */
574 #define SREF(string, index) (XSTRING (string)->data[index] + 0)
575 #define SSET(string, index, new) (XSTRING (string)->data[index] = (new))
576 #define SDATA(string) (XSTRING (string)->data + 0)
577 #define SCHARS(string) (XSTRING (string)->size + 0)
578 #define SBYTES(string) (STRING_BYTES (XSTRING (string)) + 0)
580 #define STRING_SET_CHARS(string, newsize) \
581 (XSTRING (string)->size = (newsize))
583 #define STRING_COPYIN(string, index, new, count) \
584 bcopy (new, XSTRING (string)->data + index, count)
587 /* See the macros in intervals.h. */
589 typedef struct interval
*INTERVAL
;
591 /* Complain if object is not string or buffer type */
592 #define CHECK_STRING_OR_BUFFER(x) \
593 { if (!STRINGP ((x)) && !BUFFERP ((x))) \
594 x = wrong_type_argument (Qbuffer_or_string_p, (x)); }
596 /* In a cons, the markbit of the car is the gc mark bit */
600 /* Please do not use the names of these elements in code other
601 than the core lisp implementation. Use XCAR and XCDR below. */
602 #ifdef HIDE_LISP_IMPLEMENTATION
607 struct Lisp_Cons
*chain
;
614 struct Lisp_Cons
*chain
;
619 /* Take the car or cdr of something known to be a cons cell. */
620 /* The _AS_LVALUE macros shouldn't be used outside of the minimal set
621 of code that has to know what a cons cell looks like. Other code not
622 part of the basic lisp implementation should assume that the car and cdr
623 fields are not accessible as lvalues. (What if we want to switch to
624 a copying collector someday? Cached cons cell field addresses may be
625 invalidated at arbitrary points.) */
626 #ifdef HIDE_LISP_IMPLEMENTATION
627 #define XCAR_AS_LVALUE(c) (XCONS ((c))->car_)
628 #define XCDR_AS_LVALUE(c) (XCONS ((c))->u.cdr_)
630 #define XCAR_AS_LVALUE(c) (XCONS ((c))->car)
631 #define XCDR_AS_LVALUE(c) (XCONS ((c))->u.cdr)
634 /* Use these from normal code. */
635 #define XCAR(c) LISP_MAKE_RVALUE(XCAR_AS_LVALUE(c))
636 #define XCDR(c) LISP_MAKE_RVALUE(XCDR_AS_LVALUE(c))
638 /* Use these to set the fields of a cons cell.
640 Note that both arguments may refer to the same object, so 'n'
641 should not be read after 'c' is first modified. Also, neither
642 argument should be evaluated more than once; side effects are
643 especially common in the second argument. */
644 #define XSETCAR(c,n) (XCAR_AS_LVALUE(c) = (n))
645 #define XSETCDR(c,n) (XCDR_AS_LVALUE(c) = (n))
647 /* For performance: Fast storage of positive integers into the
648 fields of a cons cell. See above caveats. */
649 #define XSETCARFASTINT(c,n) XSETFASTINT(XCAR_AS_LVALUE(c),(n))
650 #define XSETCDRFASTINT(c,n) XSETFASTINT(XCDR_AS_LVALUE(c),(n))
652 /* Take the car or cdr of something whose type is not known. */
654 (CONSP ((c)) ? XCAR ((c)) \
655 : NILP ((c)) ? Qnil \
656 : wrong_type_argument (Qlistp, (c)))
659 (CONSP ((c)) ? XCDR ((c)) \
660 : NILP ((c)) ? Qnil \
661 : wrong_type_argument (Qlistp, (c)))
663 /* Nonzero if STR is a multibyte string. */
664 #define STRING_MULTIBYTE(STR) \
665 (XSTRING (STR)->size_byte >= 0)
667 /* Return the length in bytes of STR. */
669 #ifdef GC_CHECK_STRING_BYTES
672 extern int string_bytes
P_ ((struct Lisp_String
*));
673 #define STRING_BYTES(S) string_bytes ((S))
675 #else /* not GC_CHECK_STRING_BYTES */
677 #define STRING_BYTES(STR) \
678 ((STR)->size_byte < 0 ? (STR)->size : (STR)->size_byte)
680 #endif /* not GC_CHECK_STRING_BYTES */
682 /* Mark STR as a unibyte string. */
683 #define STRING_SET_UNIBYTE(STR) (XSTRING (STR)->size_byte = -1)
685 /* Get text properties. */
686 #define STRING_INTERVALS(STR) (XSTRING (STR)->intervals + 0)
688 /* Set text properties. */
689 #define STRING_SET_INTERVALS(STR, INT) (XSTRING (STR)->intervals = (INT))
691 /* In a string or vector, the sign bit of the `size' is the gc mark bit */
697 INTERVAL intervals
; /* text properties in this string */
701 /* If a struct is made to look like a vector, this macro returns the length
702 of the shortest vector that would hold that struct. */
703 #define VECSIZE(type) ((sizeof (type) - (sizeof (struct Lisp_Vector) \
704 - sizeof (Lisp_Object)) \
705 + sizeof(Lisp_Object) - 1) /* round up */ \
706 / sizeof (Lisp_Object))
711 struct Lisp_Vector
*next
;
712 Lisp_Object contents
[1];
715 /* A char table is a kind of vectorlike, with contents are like a
716 vector but with a few other slots. For some purposes, it makes
717 sense to handle a chartable with type struct Lisp_Vector. An
718 element of a char table can be any Lisp objects, but if it is a sub
719 char-table, we treat it a table that contains information of a
720 group of characters of the same charsets or a specific character of
721 a charset. A sub char-table has the same structure as a char table
722 except for that the former omits several slots at the tail. A sub
723 char table appears only in an element of a char table, and there's
724 no way to access it directly from Emacs Lisp program. */
726 /* This is the number of slots that apply to characters or character
727 sets. The first 128 are for ASCII, the next 128 are for 8-bit
728 European characters, and the last 128 are for multibyte characters.
729 The first 256 are indexed by the code itself, but the last 128 are
730 indexed by (charset-id + 128). */
731 #define CHAR_TABLE_ORDINARY_SLOTS 384
733 /* These are the slot of the default values for single byte
734 characters. As 0x9A is never be a charset-id, it is safe to use
735 that slot for ASCII. 0x9E and 0x80 are charset-ids of
736 eight-bit-control and eight-bit-graphic respectively. */
737 #define CHAR_TABLE_DEFAULT_SLOT_ASCII (0x9A + 128)
738 #define CHAR_TABLE_DEFAULT_SLOT_8_BIT_CONTROL (0x9E + 128)
739 #define CHAR_TABLE_DEFAULT_SLOT_8_BIT_GRAPHIC (0x80 + 128)
741 /* This is the number of slots that apply to characters of ASCII and
742 8-bit Europeans only. */
743 #define CHAR_TABLE_SINGLE_BYTE_SLOTS 256
745 /* This is the number of slots that every char table must have. This
746 counts the ordinary slots and the top, defalt, parent, and purpose
748 #define CHAR_TABLE_STANDARD_SLOTS (CHAR_TABLE_ORDINARY_SLOTS + 4)
750 /* This is the number of slots that apply to position-code-1 and
751 position-code-2 of a multibyte character at the 2nd and 3rd level
752 sub char tables respectively. */
753 #define SUB_CHAR_TABLE_ORDINARY_SLOTS 128
755 /* This is the number of slots that every sub char table must have.
756 This counts the ordinary slots and the top and defalt slot. */
757 #define SUB_CHAR_TABLE_STANDARD_SLOTS (SUB_CHAR_TABLE_ORDINARY_SLOTS + 2)
759 /* Return the number of "extra" slots in the char table CT. */
761 #define CHAR_TABLE_EXTRA_SLOTS(CT) \
762 (((CT)->size & PSEUDOVECTOR_SIZE_MASK) - CHAR_TABLE_STANDARD_SLOTS)
764 /* Almost equivalent to Faref (CT, IDX) with optimization for ASCII
765 and 8-bit Europeans characters. For these characters, do not check
766 validity of CT. Do not follow parent. */
767 #define CHAR_TABLE_REF(CT, IDX) \
768 ((IDX) >= 0 && (IDX) < CHAR_TABLE_SINGLE_BYTE_SLOTS \
769 ? (!NILP (XCHAR_TABLE (CT)->contents[IDX]) \
770 ? XCHAR_TABLE (CT)->contents[IDX] \
771 : XCHAR_TABLE (CT)->defalt) \
772 : Faref (CT, make_number (IDX)))
774 /* Almost equivalent to Faref (CT, IDX) with optimization for ASCII
775 and 8-bit Europeans characters. However, if the result is nil,
778 For these characters, do not check validity of CT
779 and do not follow parent. */
780 #define CHAR_TABLE_TRANSLATE(CT, IDX) \
781 ((IDX) < CHAR_TABLE_SINGLE_BYTE_SLOTS \
782 ? (!NILP (XCHAR_TABLE (CT)->contents[IDX]) \
783 ? XINT (XCHAR_TABLE (CT)->contents[IDX]) \
785 : char_table_translate (CT, IDX))
787 /* Equivalent to Faset (CT, IDX, VAL) with optimization for ASCII and
788 8-bit Europeans characters. Do not check validity of CT. */
789 #define CHAR_TABLE_SET(CT, IDX, VAL) \
791 if (XFASTINT (IDX) < CHAR_TABLE_SINGLE_BYTE_SLOTS) \
792 XCHAR_TABLE (CT)->contents[XFASTINT (IDX)] = VAL; \
794 Faset (CT, IDX, VAL); \
797 struct Lisp_Char_Table
799 /* This is the vector's size field, which also holds the
800 pseudovector type information. It holds the size, too.
801 The size counts the top, defalt, purpose, and parent slots.
802 The last three are not counted if this is a sub char table. */
804 struct Lisp_Vector
*next
;
805 /* This holds a flag to tell if this is a top level char table (t)
806 or a sub char table (nil). */
808 /* This holds a default value,
809 which is used whenever the value for a specific character is nil. */
811 /* This holds an actual value of each element. A sub char table
812 has only SUB_CHAR_TABLE_ORDINARY_SLOTS number of elements. */
813 Lisp_Object contents
[CHAR_TABLE_ORDINARY_SLOTS
];
815 /* A sub char table doesn't has the following slots. */
817 /* This points to another char table, which we inherit from
818 when the value for a specific character is nil.
819 The `defalt' slot takes precedence over this. */
821 /* This should be a symbol which says what kind of use
822 this char-table is meant for.
823 Typically now the values can be `syntax-table' and `display-table'. */
825 /* These hold additional data. */
826 Lisp_Object extras
[1];
829 /* A boolvector is a kind of vectorlike, with contents are like a string. */
830 struct Lisp_Bool_Vector
832 /* This is the vector's size field. It doesn't have the real size,
833 just the subtype information. */
834 EMACS_INT vector_size
;
835 struct Lisp_Vector
*next
;
836 /* This is the size in bits. */
838 /* This contains the actual bits, packed into bytes. */
839 unsigned char data
[1];
842 /* This structure describes a built-in function.
843 It is generated by the DEFUN macro only.
844 defsubr makes it into a Lisp object.
846 This type is treated in most respects as a pseudovector,
847 but since we never dynamically allocate or free them,
848 we don't need a next-vector field. */
853 Lisp_Object (*function
) ();
854 short min_args
, max_args
;
861 /***********************************************************************
863 ***********************************************************************/
865 /* Interned state of a symbol. */
869 SYMBOL_UNINTERNED
= 0,
871 SYMBOL_INTERNED_IN_INITIAL_OBARRAY
= 2
874 /* In a symbol, the markbit of the plist is used as the gc mark bit */
878 unsigned gcmarkbit
: 1;
880 /* Non-zero means symbol serves as a variable alias. The symbol
881 holding the real value is found in the value slot. */
882 unsigned indirect_variable
: 1;
884 /* Non-zero means symbol is constant, i.e. changing its value
885 should signal an error. */
886 unsigned constant
: 1;
888 /* Interned state of the symbol. This is an enumerator from
889 enum symbol_interned. */
890 unsigned interned
: 2;
892 /* The symbol's name, as a Lisp string.
894 The name "xname" is used to intentionally break code referring to
895 the old field "name" of type pointer to struct Lisp_String. */
898 /* Value of the symbol or Qunbound if unbound. If this symbol is a
899 defvaralias, `value' contains the symbol for which it is an
900 alias. Use the SYMBOL_VALUE and SET_SYMBOL_VALUE macros to get
901 and set a symbol's value, to take defvaralias into account. */
904 /* Function value of the symbol or Qunbound if not fboundp. */
905 Lisp_Object function
;
907 /* The symbol's property list. */
910 /* Next symbol in obarray bucket, if the symbol is interned. */
911 struct Lisp_Symbol
*next
;
914 /* Value is name of symbol. */
916 #define SYMBOL_NAME(sym) \
917 LISP_MAKE_RVALUE (XSYMBOL (sym)->xname)
919 /* Value is non-zero if SYM is an interned symbol. */
921 #define SYMBOL_INTERNED_P(sym) \
922 (XSYMBOL (sym)->interned != SYMBOL_UNINTERNED)
924 /* Value is non-zero if SYM is interned in initial_obarray. */
926 #define SYMBOL_INTERNED_IN_INITIAL_OBARRAY_P(sym) \
927 (XSYMBOL (sym)->interned == SYMBOL_INTERNED_IN_INITIAL_OBARRAY)
929 /* Value is non-zero if symbol is considered a constant, i.e. its
930 value cannot be changed (there is an exception for keyword symbols,
931 whose value can be set to the keyword symbol itself). */
933 #define SYMBOL_CONSTANT_P(sym) XSYMBOL (sym)->constant
935 /* Value is the value of SYM, with defvaralias taken into
938 #define SYMBOL_VALUE(sym) \
939 (XSYMBOL (sym)->indirect_variable \
940 ? XSYMBOL (indirect_variable (sym))->value \
941 : XSYMBOL (sym)->value)
943 /* Set SYM's value to VAL, taking defvaralias into account. */
945 #define SET_SYMBOL_VALUE(sym, val) \
947 if (XSYMBOL (sym)->indirect_variable) \
948 XSYMBOL (indirect_variable ((sym)))->value = (val); \
950 XSYMBOL (sym)->value = (val); \
954 /***********************************************************************
956 ***********************************************************************/
958 /* The structure of a Lisp hash table. */
960 struct Lisp_Hash_Table
962 /* Vector fields. The hash table code doesn't refer to these. */
964 struct Lisp_Vector
*vec_next
;
966 /* Function used to compare keys. */
969 /* Nil if table is non-weak. Otherwise a symbol describing the
970 weakness of the table. */
973 /* When the table is resized, and this is an integer, compute the
974 new size by adding this to the old size. If a float, compute the
975 new size by multiplying the old size with this factor. */
976 Lisp_Object rehash_size
;
978 /* Resize hash table when number of entries/ table size is >= this
980 Lisp_Object rehash_threshold
;
982 /* Number of key/value entries in the table. */
985 /* Vector of keys and values. The key of item I is found at index
986 2 * I, the value is found at index 2 * I + 1. */
987 Lisp_Object key_and_value
;
989 /* Vector of hash codes.. If hash[I] is nil, this means that that
990 entry I is unused. */
993 /* Vector used to chain entries. If entry I is free, next[I] is the
994 entry number of the next free item. If entry I is non-free,
995 next[I] is the index of the next entry in the collision chain. */
998 /* Index of first free entry in free list. */
999 Lisp_Object next_free
;
1001 /* Bucket vector. A non-nil entry is the index of the first item in
1002 a collision chain. This vector's size can be larger than the
1003 hash table size to reduce collisions. */
1006 /* Next weak hash table if this is a weak hash table. The head
1007 of the list is in Vweak_hash_tables. */
1008 Lisp_Object next_weak
;
1010 /* User-supplied hash function, or nil. */
1011 Lisp_Object user_hash_function
;
1013 /* User-supplied key comparison function, or nil. */
1014 Lisp_Object user_cmp_function
;
1016 /* C function to compare two keys. */
1017 int (* cmpfn
) P_ ((struct Lisp_Hash_Table
*, Lisp_Object
,
1018 unsigned, Lisp_Object
, unsigned));
1020 /* C function to compute hash code. */
1021 unsigned (* hashfn
) P_ ((struct Lisp_Hash_Table
*, Lisp_Object
));
1025 #define XHASH_TABLE(OBJ) \
1026 ((struct Lisp_Hash_Table *) XPNTR (OBJ))
1028 #define XSET_HASH_TABLE(VAR, PTR) \
1029 (XSETPSEUDOVECTOR (VAR, PTR, PVEC_HASH_TABLE))
1031 #define HASH_TABLE_P(OBJ) PSEUDOVECTORP (OBJ, PVEC_HASH_TABLE)
1032 #define GC_HASH_TABLE_P(x) GC_PSEUDOVECTORP (x, PVEC_HASH_TABLE)
1034 #define CHECK_HASH_TABLE(x) \
1037 if (!HASH_TABLE_P ((x))) \
1038 x = wrong_type_argument (Qhash_table_p, (x)); \
1042 /* Value is the key part of entry IDX in hash table H. */
1044 #define HASH_KEY(H, IDX) AREF ((H)->key_and_value, 2 * (IDX))
1046 /* Value is the value part of entry IDX in hash table H. */
1048 #define HASH_VALUE(H, IDX) AREF ((H)->key_and_value, 2 * (IDX) + 1)
1050 /* Value is the index of the next entry following the one at IDX
1053 #define HASH_NEXT(H, IDX) AREF ((H)->next, (IDX))
1055 /* Value is the hash code computed for entry IDX in hash table H. */
1057 #define HASH_HASH(H, IDX) AREF ((H)->hash, (IDX))
1059 /* Value is the index of the element in hash table H that is the
1060 start of the collision list at index IDX in the index vector of H. */
1062 #define HASH_INDEX(H, IDX) AREF ((H)->index, (IDX))
1064 /* Value is the size of hash table H. */
1066 #define HASH_TABLE_SIZE(H) XVECTOR ((H)->next)->size
1068 /* Default size for hash tables if not specified. */
1070 #define DEFAULT_HASH_SIZE 65
1072 /* Default threshold specifying when to resize a hash table. The
1073 value gives the ratio of current entries in the hash table and the
1074 size of the hash table. */
1076 #define DEFAULT_REHASH_THRESHOLD 0.8
1078 /* Default factor by which to increase the size of a hash table. */
1080 #define DEFAULT_REHASH_SIZE 1.5
1083 /* These structures are used for various misc types. */
1087 int type
: 16; /* = Lisp_Misc_Marker */
1088 unsigned gcmarkbit
: 1;
1090 /* 1 means normal insertion at the marker's position
1091 leaves the marker after the inserted text. */
1092 unsigned int insertion_type
: 1;
1093 /* This is the buffer that the marker points into,
1094 or 0 if it points nowhere. */
1095 struct buffer
*buffer
;
1097 /* The remaining fields are meaningless in a marker that
1098 does not point anywhere. */
1100 /* For markers that point somewhere,
1101 this is used to chain of all the markers in a given buffer. */
1102 struct Lisp_Marker
*next
;
1103 /* This is the char position where the marker points. */
1105 /* This is the byte position. */
1109 /* Forwarding pointer to an int variable.
1110 This is allowed only in the value cell of a symbol,
1111 and it means that the symbol's value really lives in the
1112 specified int variable. */
1115 int type
: 16; /* = Lisp_Misc_Intfwd */
1116 unsigned gcmarkbit
: 1;
1121 /* Boolean forwarding pointer to an int variable.
1122 This is like Lisp_Intfwd except that the ostensible
1123 "value" of the symbol is t if the int variable is nonzero,
1124 nil if it is zero. */
1127 int type
: 16; /* = Lisp_Misc_Boolfwd */
1128 unsigned gcmarkbit
: 1;
1133 /* Forwarding pointer to a Lisp_Object variable.
1134 This is allowed only in the value cell of a symbol,
1135 and it means that the symbol's value really lives in the
1136 specified variable. */
1139 int type
: 16; /* = Lisp_Misc_Objfwd */
1140 unsigned gcmarkbit
: 1;
1142 Lisp_Object
*objvar
;
1145 /* Like Lisp_Objfwd except that value lives in a slot in the
1146 current buffer. Value is byte index of slot within buffer. */
1147 struct Lisp_Buffer_Objfwd
1149 int type
: 16; /* = Lisp_Misc_Buffer_Objfwd */
1150 unsigned gcmarkbit
: 1;
1155 /* struct Lisp_Buffer_Local_Value is used in a symbol value cell when
1156 the symbol has buffer-local or frame-local bindings. (Exception:
1157 some buffer-local variables are built-in, with their values stored
1158 in the buffer structure itself. They are handled differently,
1159 using struct Lisp_Buffer_Objfwd.)
1161 The `realvalue' slot holds the variable's current value, or a
1162 forwarding pointer to where that value is kept. This value is the
1163 one that corresponds to the loaded binding. To read or set the
1164 variable, you must first make sure the right binding is loaded;
1165 then you can access the value in (or through) `realvalue'.
1167 `buffer' and `frame' are the buffer and frame for which the loaded
1168 binding was found. If those have changed, to make sure the right
1169 binding is loaded it is necessary to find which binding goes with
1170 the current buffer and selected frame, then load it. To load it,
1171 first unload the previous binding, then copy the value of the new
1172 binding into `realvalue' (or through it). Also update
1173 LOADED-BINDING to point to the newly loaded binding.
1175 Lisp_Misc_Buffer_Local_Value and Lisp_Misc_Some_Buffer_Local_Value
1176 both use this kind of structure. With the former, merely setting
1177 the variable creates a local binding for the current buffer. With
1178 the latter, setting the variable does not do that; only
1179 make-local-variable does that. */
1181 struct Lisp_Buffer_Local_Value
1183 int type
: 16; /* = Lisp_Misc_Buffer_Local_Value
1184 or Lisp_Misc_Some_Buffer_Local_Value */
1185 unsigned gcmarkbit
: 1;
1188 /* 1 means this variable is allowed to have frame-local bindings,
1189 so check for them when looking for the proper binding. */
1190 unsigned int check_frame
: 1;
1191 /* 1 means that the binding now loaded was found
1192 as a local binding for the buffer in the `buffer' slot. */
1193 unsigned int found_for_buffer
: 1;
1194 /* 1 means that the binding now loaded was found
1195 as a local binding for the frame in the `frame' slot. */
1196 unsigned int found_for_frame
: 1;
1197 Lisp_Object realvalue
;
1198 /* The buffer and frame for which the loaded binding was found. */
1199 Lisp_Object buffer
, frame
;
1201 /* A cons cell, (LOADED-BINDING . DEFAULT-VALUE).
1203 LOADED-BINDING is the binding now loaded. It is a cons cell
1204 whose cdr is the binding's value. The cons cell may be an
1205 element of a buffer's local-variable alist, or an element of a
1206 frame's parameter alist, or it may be this cons cell.
1208 DEFAULT-VALUE is the variable's default value, seen when the
1209 current buffer and selected frame do not have their own
1210 bindings for the variable. When the default binding is loaded,
1211 LOADED-BINDING is actually this very cons cell; thus, its car
1212 points to itself. */
1216 /* START and END are markers in the overlay's buffer, and
1217 PLIST is the overlay's property list. */
1220 int type
: 16; /* = Lisp_Misc_Overlay */
1221 unsigned gcmarkbit
: 1;
1223 struct Lisp_Overlay
*next
;
1224 Lisp_Object start
, end
, plist
;
1227 /* Like Lisp_Objfwd except that value lives in a slot in the
1229 struct Lisp_Kboard_Objfwd
1231 int type
: 16; /* = Lisp_Misc_Kboard_Objfwd */
1232 unsigned gcmarkbit
: 1;
1237 /* Hold a C pointer for later use.
1238 This type of object is used in the arg to record_unwind_protect. */
1239 struct Lisp_Save_Value
1241 int type
: 16; /* = Lisp_Misc_Save_Value */
1242 unsigned gcmarkbit
: 1;
1244 /* If DOGC is set, POINTER is the address of a memory
1245 area containing INTEGER potential Lisp_Objects. */
1246 unsigned int dogc
: 1;
1252 /* A miscellaneous object, when it's on the free list. */
1255 int type
: 16; /* = Lisp_Misc_Free */
1256 unsigned gcmarkbit
: 1;
1258 union Lisp_Misc
*chain
;
1260 /* Try to make sure that sizeof(Lisp_Misc) preserves TYPEBITS-alignment.
1261 This assumes that Lisp_Marker is the largest of the alternatives and
1262 that Lisp_Intfwd has the same size as "Lisp_Free w/o padding". */
1263 char padding
[((((sizeof (struct Lisp_Marker
) - 1) >> GCTYPEBITS
) + 1)
1264 << GCTYPEBITS
) - sizeof (struct Lisp_Intfwd
)];
1268 /* To get the type field of a union Lisp_Misc, use XMISCTYPE.
1269 It uses one of these struct subtypes to get the type field. */
1273 struct Lisp_Free u_free
;
1274 struct Lisp_Marker u_marker
;
1275 struct Lisp_Intfwd u_intfwd
;
1276 struct Lisp_Boolfwd u_boolfwd
;
1277 struct Lisp_Objfwd u_objfwd
;
1278 struct Lisp_Buffer_Objfwd u_buffer_objfwd
;
1279 struct Lisp_Buffer_Local_Value u_buffer_local_value
;
1280 struct Lisp_Overlay u_overlay
;
1281 struct Lisp_Kboard_Objfwd u_kboard_objfwd
;
1282 struct Lisp_Save_Value u_save_value
;
1285 /* Lisp floating point type */
1290 #ifdef HIDE_LISP_IMPLEMENTATION
1295 struct Lisp_Float
*chain
;
1299 #ifdef HIDE_LISP_IMPLEMENTATION
1300 #define XFLOAT_DATA(f) (XFLOAT (f)->u.data_)
1302 #define XFLOAT_DATA(f) (XFLOAT (f)->u.data)
1305 /* A character, declared with the following typedef, is a member
1306 of some character set associated with the current buffer. */
1307 #ifndef _UCHAR_T /* Protect against something in ctab.h on AIX. */
1309 typedef unsigned char UCHAR
;
1312 /* Meanings of slots in a Lisp_Compiled: */
1314 #define COMPILED_ARGLIST 0
1315 #define COMPILED_BYTECODE 1
1316 #define COMPILED_CONSTANTS 2
1317 #define COMPILED_STACK_DEPTH 3
1318 #define COMPILED_DOC_STRING 4
1319 #define COMPILED_INTERACTIVE 5
1321 /* Flag bits in a character. These also get used in termhooks.h.
1322 Richard Stallman <rms@gnu.ai.mit.edu> thinks that MULE
1323 (MUlti-Lingual Emacs) might need 22 bits for the character value
1324 itself, so we probably shouldn't use any bits lower than 0x0400000. */
1325 #define CHAR_ALT (0x0400000)
1326 #define CHAR_SUPER (0x0800000)
1327 #define CHAR_HYPER (0x1000000)
1328 #define CHAR_SHIFT (0x2000000)
1329 #define CHAR_CTL (0x4000000)
1330 #define CHAR_META (0x8000000)
1332 #define CHAR_MODIFIER_MASK \
1333 (CHAR_ALT | CHAR_SUPER | CHAR_HYPER | CHAR_SHIFT | CHAR_CTL | CHAR_META)
1336 /* Actually, the current Emacs uses 19 bits for the character value
1338 #define CHARACTERBITS 19
1340 /* The maximum byte size consumed by push_key_description.
1341 All callers should assure that at least this size of memory is
1342 allocated at the place pointed by the second argument.
1344 Thers are 6 modifiers, each consumes 2 chars.
1345 The octal form of a character code consumes
1346 (1 + CHARACTERBITS / 3 + 1) chars (including backslash at the head).
1347 We need one more byte for string terminator `\0'. */
1348 #define KEY_DESCRIPTION_SIZE ((2 * 6) + 1 + (CHARACTERBITS / 3) + 1 + 1)
1350 #ifdef USE_X_TOOLKIT
1351 #ifdef NO_UNION_TYPE
1352 /* Use this for turning a (void *) into a Lisp_Object, as when the
1353 Lisp_Object is passed into a toolkit callback function. */
1354 #define VOID_TO_LISP(larg,varg) \
1355 do { ((larg) = ((Lisp_Object) (varg))); } while (0)
1356 #define CVOID_TO_LISP VOID_TO_LISP
1358 /* Use this for turning a Lisp_Object into a (void *), as when the
1359 Lisp_Object is passed into a toolkit callback function. */
1360 #define LISP_TO_VOID(larg) ((void *) (larg))
1361 #define LISP_TO_CVOID(varg) ((const void *) (larg))
1363 #else /* not NO_UNION_TYPE */
1364 /* Use this for turning a (void *) into a Lisp_Object, as when the
1365 Lisp_Object is passed into a toolkit callback function. */
1366 #define VOID_TO_LISP(larg,varg) \
1367 do { ((larg).v = (void *) (varg)); } while (0)
1368 #define CVOID_TO_LISP(larg,varg) \
1369 do { ((larg).cv = (const void *) (varg)); } while (0)
1371 /* Use this for turning a Lisp_Object into a (void *), as when the
1372 Lisp_Object is passed into a toolkit callback function. */
1373 #define LISP_TO_VOID(larg) ((larg).v)
1374 #define LISP_TO_CVOID(larg) ((larg).cv)
1375 #endif /* not NO_UNION_TYPE */
1376 #endif /* USE_X_TOOLKIT */
1379 /* The glyph datatype, used to represent characters on the display. */
1381 /* Glyph code to use as an index to the glyph table. If it is out of
1382 range for the glyph table, or the corresonding element in the table
1383 is nil, the low 8 bits are the single byte character code, and the
1384 bits above are the numeric face ID. If FID is the face ID of a
1385 glyph on a frame F, then F->display.x->faces[FID] contains the
1386 description of that face. This is an int instead of a short, so we
1387 can support a good bunch of face ID's (2^(31 - 8)); given that we
1388 have no mechanism for tossing unused frame face ID's yet, we'll
1389 probably run out of 255 pretty quickly.
1390 This is always -1 for a multibyte character. */
1393 /* Mask bits for face. */
1394 #define GLYPH_MASK_FACE 0x7FF80000
1395 /* Mask bits for character code. */
1396 #define GLYPH_MASK_CHAR 0x0007FFFF /* The lowest 19 bits */
1398 /* The FAST macros assume that we already know we're in an X window. */
1400 /* Set a character code and a face ID in a glyph G. */
1401 #define FAST_MAKE_GLYPH(char, face) ((char) | ((face) << CHARACTERBITS))
1403 /* Return a glyph's character code. */
1404 #define FAST_GLYPH_CHAR(glyph) ((glyph) & GLYPH_MASK_CHAR)
1406 /* Return a glyph's face ID. */
1407 #define FAST_GLYPH_FACE(glyph) (((glyph) & GLYPH_MASK_FACE) >> CHARACTERBITS)
1409 /* Slower versions that test the frame type first. */
1410 #define MAKE_GLYPH(f, char, face) (FAST_MAKE_GLYPH (char, face))
1411 #define GLYPH_CHAR(f, g) (FAST_GLYPH_CHAR (g))
1412 #define GLYPH_FACE(f, g) (FAST_GLYPH_FACE (g))
1414 /* Return 1 iff GLYPH contains valid character code. */
1415 #define GLYPH_CHAR_VALID_P(glyph) CHAR_VALID_P (FAST_GLYPH_CHAR (glyph), 1)
1417 /* The ID of the mode line highlighting face. */
1418 #define GLYPH_MODE_LINE_FACE 1
1420 /* Data type checking */
1422 #define NILP(x) EQ (x, Qnil)
1423 #define GC_NILP(x) GC_EQ (x, Qnil)
1425 #define NUMBERP(x) (INTEGERP (x) || FLOATP (x))
1426 #define GC_NUMBERP(x) (GC_INTEGERP (x) || GC_FLOATP (x))
1427 #define NATNUMP(x) (INTEGERP (x) && XINT (x) >= 0)
1428 #define GC_NATNUMP(x) (GC_INTEGERP (x) && XINT (x) >= 0)
1430 #define INTEGERP(x) (XTYPE ((x)) == Lisp_Int)
1431 #define GC_INTEGERP(x) INTEGERP (x)
1432 #define SYMBOLP(x) (XTYPE ((x)) == Lisp_Symbol)
1433 #define GC_SYMBOLP(x) (XGCTYPE ((x)) == Lisp_Symbol)
1434 #define MISCP(x) (XTYPE ((x)) == Lisp_Misc)
1435 #define GC_MISCP(x) (XGCTYPE ((x)) == Lisp_Misc)
1436 #define VECTORLIKEP(x) (XTYPE ((x)) == Lisp_Vectorlike)
1437 #define GC_VECTORLIKEP(x) (XGCTYPE ((x)) == Lisp_Vectorlike)
1438 #define STRINGP(x) (XTYPE ((x)) == Lisp_String)
1439 #define GC_STRINGP(x) (XGCTYPE ((x)) == Lisp_String)
1440 #define CONSP(x) (XTYPE ((x)) == Lisp_Cons)
1441 #define GC_CONSP(x) (XGCTYPE ((x)) == Lisp_Cons)
1443 #define FLOATP(x) (XTYPE ((x)) == Lisp_Float)
1444 #define GC_FLOATP(x) (XGCTYPE ((x)) == Lisp_Float)
1445 #define VECTORP(x) (VECTORLIKEP (x) && !(XVECTOR (x)->size & PSEUDOVECTOR_FLAG))
1446 #define GC_VECTORP(x) (GC_VECTORLIKEP (x) && !(XVECTOR (x)->size & PSEUDOVECTOR_FLAG))
1447 #define OVERLAYP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Overlay)
1448 #define GC_OVERLAYP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Overlay)
1449 #define MARKERP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Marker)
1450 #define GC_MARKERP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Marker)
1451 #define INTFWDP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Intfwd)
1452 #define GC_INTFWDP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Intfwd)
1453 #define BOOLFWDP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Boolfwd)
1454 #define GC_BOOLFWDP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Boolfwd)
1455 #define OBJFWDP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Objfwd)
1456 #define GC_OBJFWDP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Objfwd)
1457 #define BUFFER_OBJFWDP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Buffer_Objfwd)
1458 #define GC_BUFFER_OBJFWDP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Buffer_Objfwd)
1459 #define BUFFER_LOCAL_VALUEP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Buffer_Local_Value)
1460 #define GC_BUFFER_LOCAL_VALUEP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Buffer_Local_Value)
1461 #define SOME_BUFFER_LOCAL_VALUEP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Some_Buffer_Local_Value)
1462 #define GC_SOME_BUFFER_LOCAL_VALUEP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Some_Buffer_Local_Value)
1463 #define KBOARD_OBJFWDP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Kboard_Objfwd)
1464 #define GC_KBOARD_OBJFWDP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Kboard_Objfwd)
1467 /* True if object X is a pseudovector whose code is CODE. */
1468 #define PSEUDOVECTORP(x, code) \
1470 && (((XVECTOR (x)->size & (PSEUDOVECTOR_FLAG | (code)))) \
1471 == (PSEUDOVECTOR_FLAG | (code))))
1473 /* True if object X is a pseudovector whose code is CODE.
1474 This one works during GC. */
1475 #define GC_PSEUDOVECTORP(x, code) \
1476 (GC_VECTORLIKEP (x) \
1477 && (((XVECTOR (x)->size & (PSEUDOVECTOR_FLAG | (code)))) \
1478 == (PSEUDOVECTOR_FLAG | (code))))
1480 /* Test for specific pseudovector types. */
1481 #define WINDOW_CONFIGURATIONP(x) PSEUDOVECTORP (x, PVEC_WINDOW_CONFIGURATION)
1482 #define GC_WINDOW_CONFIGURATIONP(x) GC_PSEUDOVECTORP (x, PVEC_WINDOW_CONFIGURATION)
1483 #define PROCESSP(x) PSEUDOVECTORP (x, PVEC_PROCESS)
1484 #define GC_PROCESSP(x) GC_PSEUDOVECTORP (x, PVEC_PROCESS)
1485 #define WINDOWP(x) PSEUDOVECTORP (x, PVEC_WINDOW)
1486 #define GC_WINDOWP(x) GC_PSEUDOVECTORP (x, PVEC_WINDOW)
1487 #define SUBRP(x) PSEUDOVECTORP (x, PVEC_SUBR)
1488 #define GC_SUBRP(x) GC_PSEUDOVECTORP (x, PVEC_SUBR)
1489 #define COMPILEDP(x) PSEUDOVECTORP (x, PVEC_COMPILED)
1490 #define GC_COMPILEDP(x) GC_PSEUDOVECTORP (x, PVEC_COMPILED)
1491 #define BUFFERP(x) PSEUDOVECTORP (x, PVEC_BUFFER)
1492 #define GC_BUFFERP(x) GC_PSEUDOVECTORP (x, PVEC_BUFFER)
1493 #define CHAR_TABLE_P(x) PSEUDOVECTORP (x, PVEC_CHAR_TABLE)
1494 #define GC_CHAR_TABLE_P(x) GC_PSEUDOVECTORP (x, PVEC_CHAR_TABLE)
1495 #define BOOL_VECTOR_P(x) PSEUDOVECTORP (x, PVEC_BOOL_VECTOR)
1496 #define GC_BOOL_VECTOR_P(x) GC_PSEUDOVECTORP (x, PVEC_BOOL_VECTOR)
1497 #define FRAMEP(x) PSEUDOVECTORP (x, PVEC_FRAME)
1498 #define GC_FRAMEP(x) GC_PSEUDOVECTORP (x, PVEC_FRAME)
1500 #define SUB_CHAR_TABLE_P(x) (CHAR_TABLE_P (x) && NILP (XCHAR_TABLE (x)->top))
1502 /* Test for image (image . spec) */
1503 #define IMAGEP(x) (CONSP (x) && EQ (XCAR (x), Qimage))
1506 #define GC_EQ(x, y) EQ (x, y)
1508 #define CHECK_LIST(x) \
1509 do { if (!CONSP ((x)) && !NILP (x)) x = wrong_type_argument (Qlistp, (x)); } while (0)
1511 #define CHECK_STRING(x) \
1512 do { if (!STRINGP ((x))) x = wrong_type_argument (Qstringp, (x)); } while (0)
1514 #define CHECK_STRING_CAR(x) \
1515 do { if (!STRINGP (XCAR (x))) XSETCAR (x, wrong_type_argument (Qstringp, XCAR (x))); } while (0)
1517 #define CHECK_CONS(x) \
1518 do { if (!CONSP ((x))) x = wrong_type_argument (Qconsp, (x)); } while (0)
1520 #define CHECK_SYMBOL(x) \
1521 do { if (!SYMBOLP ((x))) x = wrong_type_argument (Qsymbolp, (x)); } while (0)
1523 #define CHECK_CHAR_TABLE(x) \
1524 do { if (!CHAR_TABLE_P ((x))) \
1525 x = wrong_type_argument (Qchar_table_p, (x)); } while (0)
1527 #define CHECK_VECTOR(x) \
1528 do { if (!VECTORP ((x))) x = wrong_type_argument (Qvectorp, (x)); } while (0)
1530 #define CHECK_VECTOR_OR_CHAR_TABLE(x) \
1531 do { if (!VECTORP ((x)) && !CHAR_TABLE_P ((x))) \
1532 x = wrong_type_argument (Qvector_or_char_table_p, (x)); \
1535 #define CHECK_BUFFER(x) \
1536 do { if (!BUFFERP ((x))) x = wrong_type_argument (Qbufferp, (x)); } while (0)
1538 #define CHECK_WINDOW(x) \
1539 do { if (!WINDOWP ((x))) x = wrong_type_argument (Qwindowp, (x)); } while (0)
1541 /* This macro rejects windows on the interior of the window tree as
1542 "dead", which is what we want; this is an argument-checking macro, and
1543 the user should never get access to interior windows.
1545 A window of any sort, leaf or interior, is dead iff the buffer,
1546 vchild, and hchild members are all nil. */
1548 #define CHECK_LIVE_WINDOW(x) \
1550 if (!WINDOWP ((x)) \
1551 || NILP (XWINDOW ((x))->buffer)) \
1552 x = wrong_type_argument (Qwindow_live_p, (x)); \
1555 #define CHECK_PROCESS(x) \
1556 do { if (!PROCESSP ((x))) x = wrong_type_argument (Qprocessp, (x)); } while (0)
1558 #define CHECK_NUMBER(x) \
1559 do { if (!INTEGERP ((x))) x = wrong_type_argument (Qintegerp, (x)); } while (0)
1561 #define CHECK_NATNUM(x) \
1562 do { if (!NATNUMP (x)) x = wrong_type_argument (Qwholenump, (x)); } while (0)
1564 #define CHECK_MARKER(x) \
1565 do { if (!MARKERP ((x))) x = wrong_type_argument (Qmarkerp, (x)); } while (0)
1567 #define CHECK_NUMBER_COERCE_MARKER(x) \
1568 do { if (MARKERP ((x))) XSETFASTINT (x, marker_position (x)); \
1569 else if (!INTEGERP ((x))) x = wrong_type_argument (Qinteger_or_marker_p, (x)); } while (0)
1571 #define XFLOATINT(n) extract_float((n))
1573 #define CHECK_FLOAT(x) \
1574 do { if (!FLOATP (x)) \
1575 x = wrong_type_argument (Qfloatp, (x)); } while (0)
1577 #define CHECK_NUMBER_OR_FLOAT(x) \
1578 do { if (!FLOATP (x) && !INTEGERP (x)) \
1579 x = wrong_type_argument (Qnumberp, (x)); } while (0)
1581 #define CHECK_NUMBER_OR_FLOAT_COERCE_MARKER(x) \
1582 do { if (MARKERP (x)) XSETFASTINT (x, marker_position (x)); \
1583 else if (!INTEGERP (x) && !FLOATP (x)) \
1584 x = wrong_type_argument (Qnumber_or_marker_p, (x)); } while (0)
1586 #define CHECK_OVERLAY(x) \
1587 do { if (!OVERLAYP ((x))) x = wrong_type_argument (Qoverlayp, (x));} while (0)
1589 /* Since we can't assign directly to the CAR or CDR fields of a cons
1590 cell, use these when checking that those fields contain numbers. */
1591 #define CHECK_NUMBER_CAR(x) \
1593 Lisp_Object tmp = XCAR (x); \
1594 CHECK_NUMBER (tmp); \
1595 XSETCAR ((x), tmp); \
1598 #define CHECK_NUMBER_CDR(x) \
1600 Lisp_Object tmp = XCDR (x); \
1601 CHECK_NUMBER (tmp); \
1602 XSETCDR ((x), tmp); \
1605 /* Cast pointers to this type to compare them. Some machines want int. */
1606 #ifndef PNTR_COMPARISON_TYPE
1607 #define PNTR_COMPARISON_TYPE EMACS_UINT
1610 /* Define a built-in function for calling from Lisp.
1611 `lname' should be the name to give the function in Lisp,
1612 as a null-terminated C string.
1613 `fnname' should be the name of the function in C.
1614 By convention, it starts with F.
1615 `sname' should be the name for the C constant structure
1616 that records information on this function for internal use.
1617 By convention, it should be the same as `fnname' but with S instead of F.
1618 It's too bad that C macros can't compute this from `fnname'.
1619 `minargs' should be a number, the minimum number of arguments allowed.
1620 `maxargs' should be a number, the maximum number of arguments allowed,
1621 or else MANY or UNEVALLED.
1622 MANY means pass a vector of evaluated arguments,
1623 in the form of an integer number-of-arguments
1624 followed by the address of a vector of Lisp_Objects
1625 which contains the argument values.
1626 UNEVALLED means pass the list of unevaluated arguments
1627 `prompt' says how to read arguments for an interactive call.
1628 See the doc string for `interactive'.
1629 A null string means call interactively with no arguments.
1630 `doc' is documentation for the user. */
1632 #if (!defined (__STDC__) && !defined (PROTOTYPES)) \
1633 || defined (USE_NONANSI_DEFUN)
1635 #define DEFUN(lname, fnname, sname, minargs, maxargs, prompt, doc) \
1636 Lisp_Object fnname (); \
1637 DECL_ALIGN (struct Lisp_Subr, sname) = \
1638 { PVEC_SUBR | (sizeof (struct Lisp_Subr) / sizeof (EMACS_INT)), \
1639 fnname, minargs, maxargs, lname, prompt, 0}; \
1644 /* This version of DEFUN declares a function prototype with the right
1645 arguments, so we can catch errors with maxargs at compile-time. */
1646 #define DEFUN(lname, fnname, sname, minargs, maxargs, prompt, doc) \
1647 Lisp_Object fnname DEFUN_ARGS_ ## maxargs ; \
1648 DECL_ALIGN (struct Lisp_Subr, sname) = \
1649 { PVEC_SUBR | (sizeof (struct Lisp_Subr) / sizeof (EMACS_INT)), \
1650 fnname, minargs, maxargs, lname, prompt, 0}; \
1653 /* Note that the weird token-substitution semantics of ANSI C makes
1654 this work for MANY and UNEVALLED. */
1655 #define DEFUN_ARGS_MANY (int, Lisp_Object *)
1656 #define DEFUN_ARGS_UNEVALLED (Lisp_Object)
1657 #define DEFUN_ARGS_0 (void)
1658 #define DEFUN_ARGS_1 (Lisp_Object)
1659 #define DEFUN_ARGS_2 (Lisp_Object, Lisp_Object)
1660 #define DEFUN_ARGS_3 (Lisp_Object, Lisp_Object, Lisp_Object)
1661 #define DEFUN_ARGS_4 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object)
1662 #define DEFUN_ARGS_5 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, \
1664 #define DEFUN_ARGS_6 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, \
1665 Lisp_Object, Lisp_Object)
1666 #define DEFUN_ARGS_7 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, \
1667 Lisp_Object, Lisp_Object, Lisp_Object)
1668 #define DEFUN_ARGS_8 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, \
1669 Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object)
1672 /* Non-zero if OBJ is a Lisp function. */
1674 #define FUNCTIONP(OBJ) \
1675 ((CONSP (OBJ) && EQ (XCAR (OBJ), Qlambda)) \
1676 || (SYMBOLP (OBJ) && !NILP (Ffboundp (OBJ))) \
1677 || COMPILEDP (OBJ) \
1681 is how we define the symbol for function `name' at start-up time. */
1682 extern void defsubr
P_ ((struct Lisp_Subr
*));
1685 #define UNEVALLED -1
1687 extern void defvar_lisp
P_ ((char *, Lisp_Object
*));
1688 extern void defvar_lisp_nopro
P_ ((char *, Lisp_Object
*));
1689 extern void defvar_bool
P_ ((char *, int *));
1690 extern void defvar_int
P_ ((char *, EMACS_INT
*));
1691 extern void defvar_per_buffer
P_ ((char *, Lisp_Object
*, Lisp_Object
, char *));
1692 extern void defvar_kboard
P_ ((char *, int));
1694 /* Macros we use to define forwarded Lisp variables.
1695 These are used in the syms_of_FILENAME functions. */
1697 #define DEFVAR_LISP(lname, vname, doc) defvar_lisp (lname, vname)
1698 #define DEFVAR_LISP_NOPRO(lname, vname, doc) defvar_lisp_nopro (lname, vname)
1699 #define DEFVAR_BOOL(lname, vname, doc) defvar_bool (lname, vname)
1700 #define DEFVAR_INT(lname, vname, doc) defvar_int (lname, vname)
1702 /* TYPE is nil for a general Lisp variable.
1703 An integer specifies a type; then only LIsp values
1704 with that type code are allowed (except that nil is allowed too).
1705 LNAME is the LIsp-level variable name.
1706 VNAME is the name of the buffer slot.
1707 DOC is a dummy where you write the doc string as a comment. */
1708 #define DEFVAR_PER_BUFFER(lname, vname, type, doc) \
1709 defvar_per_buffer (lname, vname, type, 0)
1711 #define DEFVAR_KBOARD(lname, vname, doc) \
1712 defvar_kboard (lname, \
1713 (int)((char *)(¤t_kboard->vname) \
1714 - (char *)current_kboard))
1718 /* Structure for recording Lisp call stack for backtrace purposes. */
1720 /* The special binding stack holds the outer values of variables while
1721 they are bound by a function application or a let form, stores the
1722 code to be executed for Lisp unwind-protect forms, and stores the C
1723 functions to be called for record_unwind_protect.
1725 If func is non-zero, undoing this binding applies func to old_value;
1726 This implements record_unwind_protect.
1728 Otherwise, the element is a variable binding.
1730 If the symbol field is a symbol, it is an ordinary variable binding.
1732 Otherwise, it should be a structure (SYMBOL WHERE
1733 . CURRENT-BUFFER), which means having bound a local value while
1734 CURRENT-BUFFER was active. If WHERE is nil this means we saw the
1735 default value when binding SYMBOL. WHERE being a buffer or frame
1736 means we saw a buffer-local or frame-local value. Other values of
1737 WHERE mean an internal error. */
1739 typedef Lisp_Object (*specbinding_func
) P_ ((Lisp_Object
));
1743 volatile Lisp_Object symbol
, old_value
;
1744 volatile specbinding_func func
;
1745 Lisp_Object unused
; /* Dividing by 16 is faster than by 12 */
1748 extern struct specbinding
*specpdl
;
1749 extern volatile struct specbinding
*specpdl_ptr
;
1750 extern int specpdl_size
;
1752 extern EMACS_INT max_specpdl_size
;
1754 #define SPECPDL_INDEX() (specpdl_ptr - specpdl)
1756 /* Everything needed to describe an active condition case. */
1759 /* The handler clauses and variable from the condition-case form. */
1760 /* For a handler set up in Lisp code, this is always a list.
1761 For an internal handler set up by internal_condition_case*,
1762 this can instead be the symbol t or `error'.
1763 t: handle all conditions.
1764 error: handle all conditions, and errors can run the debugger
1765 or display a backtrace. */
1766 Lisp_Object handler
;
1768 /* Fsignal stores here the condition-case clause that applies,
1769 and Fcondition_case thus knows which clause to run. */
1770 Lisp_Object chosen_clause
;
1772 /* Used to effect the longjump out to the handler. */
1773 struct catchtag
*tag
;
1775 /* The next enclosing handler. */
1776 struct handler
*next
;
1779 extern struct handler
*handlerlist
;
1781 extern struct catchtag
*catchlist
;
1782 extern struct backtrace
*backtrace_list
;
1784 extern Lisp_Object memory_signal_data
;
1786 /* An address near the bottom of the stack.
1787 Tells GC how to save a copy of the stack. */
1788 extern char *stack_bottom
;
1790 /* Check quit-flag and quit if it is non-nil.
1791 Typing C-g does not directly cause a quit; it only sets Vquit_flag.
1792 So the program needs to do QUIT at times when it is safe to quit.
1793 Every loop that might run for a long time or might not exit
1794 ought to do QUIT at least once, at a safe place.
1795 Unless that is impossible, of course.
1796 But it is very desirable to avoid creating loops where QUIT is impossible.
1798 Exception: if you set immediate_quit to nonzero,
1799 then the handler that responds to the C-g does the quit itself.
1800 This is a good thing to do around a loop that has no side effects
1801 and (in particular) cannot call arbitrary Lisp code. */
1804 extern void handle_async_input
P_ ((void));
1805 extern int interrupt_input_pending
;
1809 if (!NILP (Vquit_flag) && NILP (Vinhibit_quit)) \
1811 Lisp_Object flag = Vquit_flag; \
1812 Vquit_flag = Qnil; \
1813 if (EQ (Vthrow_on_input, flag)) \
1814 Fthrow (Vthrow_on_input, Qt); \
1815 Fsignal (Qquit, Qnil); \
1817 else if (interrupt_input_pending) \
1818 handle_async_input (); \
1821 #else /* not SYNC_INPUT */
1825 if (!NILP (Vquit_flag) && NILP (Vinhibit_quit)) \
1827 Lisp_Object flag = Vquit_flag; \
1828 Vquit_flag = Qnil; \
1829 if (EQ (Vthrow_on_input, flag)) \
1830 Fthrow (Vthrow_on_input, Qt); \
1831 Fsignal (Qquit, Qnil); \
1835 #endif /* not SYNC_INPUT */
1838 /* Nonzero if ought to quit now. */
1840 #define QUITP (!NILP (Vquit_flag) && NILP (Vinhibit_quit))
1842 /* Variables used locally in the following case handling macros. */
1843 extern int case_temp1
;
1844 extern Lisp_Object case_temp2
;
1846 /* Current buffer's map from characters to lower-case characters. */
1848 #define DOWNCASE_TABLE current_buffer->downcase_table
1850 /* Current buffer's map from characters to upper-case characters. */
1852 #define UPCASE_TABLE current_buffer->upcase_table
1854 /* Downcase a character, or make no change if that cannot be done. */
1856 #define DOWNCASE(CH) \
1857 ((case_temp1 = (CH), \
1858 case_temp2 = CHAR_TABLE_REF (DOWNCASE_TABLE, case_temp1), \
1859 NATNUMP (case_temp2)) \
1860 ? XFASTINT (case_temp2) : case_temp1)
1862 /* 1 if CH is upper case. */
1864 #define UPPERCASEP(CH) (DOWNCASE (CH) != (CH))
1866 /* 1 if CH is neither upper nor lower case. */
1868 #define NOCASEP(CH) (UPCASE1 (CH) == (CH))
1870 /* 1 if CH is lower case. */
1872 #define LOWERCASEP(CH) (!UPPERCASEP (CH) && !NOCASEP(CH))
1874 /* Upcase a character, or make no change if that cannot be done. */
1876 #define UPCASE(CH) (!UPPERCASEP (CH) ? UPCASE1 (CH) : (CH))
1878 /* Upcase a character known to be not upper case. */
1880 #define UPCASE1(CH) \
1881 ((case_temp1 = (CH), \
1882 case_temp2 = CHAR_TABLE_REF (UPCASE_TABLE, case_temp1), \
1883 NATNUMP (case_temp2)) \
1884 ? XFASTINT (case_temp2) : case_temp1)
1886 extern Lisp_Object Vascii_downcase_table
, Vascii_upcase_table
;
1887 extern Lisp_Object Vascii_canon_table
, Vascii_eqv_table
;
1889 /* Number of bytes of structure consed since last GC. */
1891 extern int consing_since_gc
;
1893 /* Thresholds for doing another gc. */
1895 extern EMACS_INT gc_cons_threshold
;
1897 extern EMACS_INT gc_relative_threshold
;
1899 extern EMACS_INT memory_full_cons_threshold
;
1901 /* Structure for recording stack slots that need marking. */
1903 /* This is a chain of structures, each of which points at a Lisp_Object variable
1904 whose value should be marked in garbage collection.
1905 Normally every link of the chain is an automatic variable of a function,
1906 and its `val' points to some argument or local variable of the function.
1907 On exit to the function, the chain is set back to the value it had on entry.
1908 This way, no link remains in the chain when the stack frame containing the
1911 Every function that can call Feval must protect in this fashion all
1912 Lisp_Object variables whose contents will be used again. */
1914 extern struct gcpro
*gcprolist
;
1920 /* Address of first protected variable. */
1921 volatile Lisp_Object
*var
;
1923 /* Number of consecutive protected variables. */
1931 /* Values of GC_MARK_STACK during compilation:
1933 0 Use GCPRO as before
1934 1 Do the real thing, make GCPROs and UNGCPRO no-ops.
1935 2 Mark the stack, and check that everything GCPRO'd is
1937 3 Mark using GCPRO's, mark stack last, and count how many
1938 dead objects are kept alive. */
1941 #define GC_USE_GCPROS_AS_BEFORE 0
1942 #define GC_MAKE_GCPROS_NOOPS 1
1943 #define GC_MARK_STACK_CHECK_GCPROS 2
1944 #define GC_USE_GCPROS_CHECK_ZOMBIES 3
1946 #ifndef GC_MARK_STACK
1947 #define GC_MARK_STACK GC_USE_GCPROS_AS_BEFORE
1950 #if GC_MARK_STACK == GC_MAKE_GCPROS_NOOPS
1952 /* Do something silly with gcproN vars just so gcc shuts up. */
1953 /* You get warnings from MIPSPro... */
1955 #define GCPRO1(varname) ((void) gcpro1)
1956 #define GCPRO2(varname1, varname2)(((void) gcpro2, (void) gcpro1))
1957 #define GCPRO3(varname1, varname2, varname3) \
1958 (((void) gcpro3, (void) gcpro2, (void) gcpro1))
1959 #define GCPRO4(varname1, varname2, varname3, varname4) \
1960 (((void) gcpro4, (void) gcpro3, (void) gcpro2, (void) gcpro1))
1961 #define GCPRO5(varname1, varname2, varname3, varname4, varname5) \
1962 (((void) gcpro5, (void) gcpro4, (void) gcpro3, (void) gcpro2, (void) gcpro1))
1963 #define GCPRO6(varname1, varname2, varname3, varname4, varname5, varname6) \
1964 (((void) gcpro6, (void) gcpro5, (void) gcpro4, (void) gcpro3, (void) gcpro2, (void) gcpro1))
1965 #define UNGCPRO ((void) 0)
1967 #else /* GC_MARK_STACK != GC_MAKE_GCPROS_NOOPS */
1971 #define GCPRO1(varname) \
1972 {gcpro1.next = gcprolist; gcpro1.var = &varname; gcpro1.nvars = 1; \
1973 gcprolist = &gcpro1; }
1975 #define GCPRO2(varname1, varname2) \
1976 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
1977 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
1978 gcprolist = &gcpro2; }
1980 #define GCPRO3(varname1, varname2, varname3) \
1981 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
1982 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
1983 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
1984 gcprolist = &gcpro3; }
1986 #define GCPRO4(varname1, varname2, varname3, varname4) \
1987 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
1988 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
1989 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
1990 gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \
1991 gcprolist = &gcpro4; }
1993 #define GCPRO5(varname1, varname2, varname3, varname4, varname5) \
1994 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
1995 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
1996 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
1997 gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \
1998 gcpro5.next = &gcpro4; gcpro5.var = &varname5; gcpro5.nvars = 1; \
1999 gcprolist = &gcpro5; }
2001 #define GCPRO6(varname1, varname2, varname3, varname4, varname5, varname6) \
2002 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
2003 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
2004 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
2005 gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \
2006 gcpro5.next = &gcpro4; gcpro5.var = &varname5; gcpro5.nvars = 1; \
2007 gcpro6.next = &gcpro5; gcpro6.var = &varname6; gcpro6.nvars = 1; \
2008 gcprolist = &gcpro6; }
2010 #define UNGCPRO (gcprolist = gcpro1.next)
2014 extern int gcpro_level
;
2016 #define GCPRO1(varname) \
2017 {gcpro1.next = gcprolist; gcpro1.var = &varname; gcpro1.nvars = 1; \
2018 gcpro1.level = gcpro_level++; \
2019 gcprolist = &gcpro1; }
2021 #define GCPRO2(varname1, varname2) \
2022 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
2023 gcpro1.level = gcpro_level; \
2024 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
2025 gcpro2.level = gcpro_level++; \
2026 gcprolist = &gcpro2; }
2028 #define GCPRO3(varname1, varname2, varname3) \
2029 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
2030 gcpro1.level = gcpro_level; \
2031 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
2032 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
2033 gcpro3.level = gcpro_level++; \
2034 gcprolist = &gcpro3; }
2036 #define GCPRO4(varname1, varname2, varname3, varname4) \
2037 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
2038 gcpro1.level = gcpro_level; \
2039 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
2040 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
2041 gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \
2042 gcpro4.level = gcpro_level++; \
2043 gcprolist = &gcpro4; }
2045 #define GCPRO5(varname1, varname2, varname3, varname4, varname5) \
2046 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
2047 gcpro1.level = gcpro_level; \
2048 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
2049 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
2050 gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \
2051 gcpro5.next = &gcpro4; gcpro5.var = &varname5; gcpro5.nvars = 1; \
2052 gcpro5.level = gcpro_level++; \
2053 gcprolist = &gcpro5; }
2055 #define GCPRO6(varname1, varname2, varname3, varname4, varname5, varname6) \
2056 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
2057 gcpro1.level = gcpro_level; \
2058 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
2059 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
2060 gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \
2061 gcpro5.next = &gcpro4; gcpro5.var = &varname5; gcpro5.nvars = 1; \
2062 gcpro6.next = &gcpro5; gcpro6.var = &varname6; gcpro6.nvars = 1; \
2063 gcpro6.level = gcpro_level++; \
2064 gcprolist = &gcpro6; }
2067 ((--gcpro_level != gcpro1.level) \
2069 : ((gcprolist = gcpro1.next), 0))
2071 #endif /* DEBUG_GCPRO */
2072 #endif /* GC_MARK_STACK != GC_MAKE_GCPROS_NOOPS */
2075 /* Evaluate expr, UNGCPRO, and then return the value of expr. */
2076 #define RETURN_UNGCPRO(expr) \
2079 Lisp_Object ret_ungc_val; \
2080 ret_ungc_val = (expr); \
2082 return ret_ungc_val; \
2086 /* Call staticpro (&var) to protect static variable `var'. */
2088 void staticpro
P_ ((Lisp_Object
*));
2090 /* Declare a Lisp-callable function. The MAXARGS parameter has the same
2091 meaning as in the DEFUN macro, and is used to construct a prototype. */
2092 #if (!defined (__STDC__) && !defined (PROTOTYPES)) \
2093 || defined (USE_NONANSI_DEFUN)
2094 #define EXFUN(fnname, maxargs) \
2095 extern Lisp_Object fnname ()
2097 /* We can use the same trick as in the DEFUN macro to generate the
2098 appropriate prototype. */
2099 #define EXFUN(fnname, maxargs) \
2100 extern Lisp_Object fnname DEFUN_ARGS_ ## maxargs
2103 /* Forward declarations for prototypes. */
2107 /* Defined in data.c */
2108 extern Lisp_Object Qnil
, Qt
, Qquote
, Qlambda
, Qsubr
, Qunbound
;
2109 extern Lisp_Object Qerror_conditions
, Qerror_message
, Qtop_level
;
2110 extern Lisp_Object Qerror
, Qquit
, Qwrong_type_argument
, Qargs_out_of_range
;
2111 extern Lisp_Object Qvoid_variable
, Qvoid_function
;
2112 extern Lisp_Object Qsetting_constant
, Qinvalid_read_syntax
;
2113 extern Lisp_Object Qinvalid_function
, Qwrong_number_of_arguments
, Qno_catch
;
2114 extern Lisp_Object Qend_of_file
, Qarith_error
, Qmark_inactive
;
2115 extern Lisp_Object Qbeginning_of_buffer
, Qend_of_buffer
, Qbuffer_read_only
;
2116 extern Lisp_Object Qtext_read_only
;
2118 extern Lisp_Object Qintegerp
, Qnatnump
, Qwholenump
, Qsymbolp
, Qlistp
, Qconsp
;
2119 extern Lisp_Object Qstringp
, Qarrayp
, Qsequencep
, Qbufferp
;
2120 extern Lisp_Object Qchar_or_string_p
, Qmarkerp
, Qinteger_or_marker_p
, Qvectorp
;
2121 extern Lisp_Object Qbuffer_or_string_p
;
2122 extern Lisp_Object Qboundp
, Qfboundp
;
2123 extern Lisp_Object Qchar_table_p
, Qvector_or_char_table_p
;
2125 extern Lisp_Object Qcdr
;
2127 extern Lisp_Object Qrange_error
, Qdomain_error
, Qsingularity_error
;
2128 extern Lisp_Object Qoverflow_error
, Qunderflow_error
;
2130 extern Lisp_Object Qfloatp
;
2131 extern Lisp_Object Qnumberp
, Qnumber_or_marker_p
;
2133 extern Lisp_Object Qinteger
;
2135 extern void circular_list_error
P_ ((Lisp_Object
));
2136 EXFUN (Finteractive_form
, 1);
2138 /* Defined in frame.c */
2139 extern Lisp_Object Qframep
;
2147 EXFUN (Fintegerp
, 1);
2148 EXFUN (Fnatnump
, 1);
2149 EXFUN (Fsymbolp
, 1);
2150 EXFUN (Fvectorp
, 1);
2151 EXFUN (Fstringp
, 1);
2152 EXFUN (Fmultibyte_string_p
, 1);
2154 EXFUN (Fsequencep
, 1);
2155 EXFUN (Fbufferp
, 1);
2156 EXFUN (Fmarkerp
, 1);
2158 EXFUN (Fchar_or_string_p
, 1);
2159 EXFUN (Finteger_or_marker_p
, 1);
2161 EXFUN (Finteger_or_floatp
, 1);
2162 EXFUN (Finteger_or_float_or_marker_p
, 1);
2165 EXFUN (Fcar_safe
, 1);
2167 EXFUN (Fcdr_safe
, 1);
2171 EXFUN (Ffboundp
, 1);
2172 EXFUN (Fmakunbound
, 1);
2173 EXFUN (Ffmakunbound
, 1);
2174 EXFUN (Fsymbol_function
, 1);
2175 EXFUN (Fsymbol_plist
, 1);
2176 EXFUN (Fsymbol_name
, 1);
2177 extern Lisp_Object indirect_function
P_ ((Lisp_Object
));
2178 EXFUN (Findirect_function
, 1);
2180 EXFUN (Fsetplist
, 2);
2181 EXFUN (Fsymbol_value
, 1);
2182 extern Lisp_Object find_symbol_value
P_ ((Lisp_Object
));
2184 EXFUN (Fdefault_value
, 1);
2185 EXFUN (Fset_default
, 2);
2186 EXFUN (Fdefault_boundp
, 1);
2187 EXFUN (Fmake_local_variable
, 1);
2188 EXFUN (Flocal_variable_p
, 2);
2189 EXFUN (Flocal_variable_if_set_p
, 2);
2194 EXFUN (Fstring_to_number
, 2);
2195 EXFUN (Fnumber_to_string
, 1);
2196 EXFUN (Feqlsign
, 2);
2203 EXFUN (Fplus
, MANY
);
2204 EXFUN (Fminus
, MANY
);
2205 EXFUN (Ftimes
, MANY
);
2210 EXFUN (Flogand
, MANY
);
2211 EXFUN (Flogior
, MANY
);
2212 EXFUN (Flogxor
, MANY
);
2219 EXFUN (Fmake_variable_buffer_local
, 1);
2221 extern Lisp_Object indirect_variable
P_ ((Lisp_Object
));
2222 extern Lisp_Object long_to_cons
P_ ((unsigned long));
2223 extern unsigned long cons_to_long
P_ ((Lisp_Object
));
2224 extern void args_out_of_range
P_ ((Lisp_Object
, Lisp_Object
));
2225 extern void args_out_of_range_3
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
));
2226 extern Lisp_Object wrong_type_argument
P_ ((Lisp_Object
, Lisp_Object
));
2227 extern void store_symval_forwarding
P_ ((Lisp_Object
, Lisp_Object
,
2228 Lisp_Object
, struct buffer
*));
2229 extern Lisp_Object do_symval_forwarding
P_ ((Lisp_Object
));
2230 extern Lisp_Object set_internal
P_ ((Lisp_Object
, Lisp_Object
, struct buffer
*, int));
2231 extern void syms_of_data
P_ ((void));
2232 extern void init_data
P_ ((void));
2233 extern void swap_in_global_binding
P_ ((Lisp_Object
));
2235 /* Defined in cmds.c */
2236 EXFUN (Fend_of_line
, 1);
2237 EXFUN (Fforward_char
, 1);
2238 EXFUN (Fforward_line
, 1);
2239 extern int internal_self_insert
P_ ((int, int));
2240 extern void syms_of_cmds
P_ ((void));
2241 extern void keys_of_cmds
P_ ((void));
2243 /* Defined in coding.c */
2244 EXFUN (Fcoding_system_p
, 1);
2245 EXFUN (Fcheck_coding_system
, 1);
2246 EXFUN (Fread_coding_system
, 2);
2247 EXFUN (Fread_non_nil_coding_system
, 1);
2248 EXFUN (Ffind_operation_coding_system
, MANY
);
2249 EXFUN (Fupdate_coding_systems_internal
, 0);
2250 EXFUN (Fencode_coding_string
, 3);
2251 EXFUN (Fdecode_coding_string
, 3);
2252 extern Lisp_Object detect_coding_system
P_ ((const unsigned char *, int, int,
2254 extern void init_coding
P_ ((void));
2255 extern void init_coding_once
P_ ((void));
2256 extern void syms_of_coding
P_ ((void));
2257 extern Lisp_Object code_convert_string_norecord
P_ ((Lisp_Object
, Lisp_Object
,
2260 /* Defined in charset.c */
2261 extern EMACS_INT nonascii_insert_offset
;
2262 extern Lisp_Object Vnonascii_translation_table
;
2263 EXFUN (Fchar_bytes
, 1);
2264 EXFUN (Fchar_width
, 1);
2265 EXFUN (Fstring
, MANY
);
2266 extern int chars_in_text
P_ ((const unsigned char *, int));
2267 extern int multibyte_chars_in_text
P_ ((const unsigned char *, int));
2268 extern int unibyte_char_to_multibyte
P_ ((int));
2269 extern int multibyte_char_to_unibyte
P_ ((int, Lisp_Object
));
2270 extern Lisp_Object Qcharset
;
2271 extern void init_charset_once
P_ ((void));
2272 extern void syms_of_charset
P_ ((void));
2274 /* Defined in syntax.c */
2275 EXFUN (Fforward_word
, 1);
2276 EXFUN (Fskip_chars_forward
, 2);
2277 EXFUN (Fskip_chars_backward
, 2);
2278 EXFUN (Fsyntax_table_p
, 1);
2279 EXFUN (Fsyntax_table
, 0);
2280 EXFUN (Fset_syntax_table
, 1);
2281 extern void init_syntax_once
P_ ((void));
2282 extern void syms_of_syntax
P_ ((void));
2284 /* Defined in fns.c */
2285 extern int use_dialog_box
;
2286 extern int next_almost_prime
P_ ((int));
2287 extern Lisp_Object larger_vector
P_ ((Lisp_Object
, int, Lisp_Object
));
2288 extern void sweep_weak_hash_tables
P_ ((void));
2289 extern Lisp_Object Qstring_lessp
;
2290 EXFUN (Foptimize_char_table
, 1);
2291 extern Lisp_Object Vfeatures
;
2292 extern Lisp_Object QCtest
, QCweakness
, Qequal
;
2293 unsigned sxhash
P_ ((Lisp_Object
, int));
2294 Lisp_Object make_hash_table
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
,
2295 Lisp_Object
, Lisp_Object
, Lisp_Object
,
2297 Lisp_Object copy_hash_table
P_ ((struct Lisp_Hash_Table
*));
2298 int hash_lookup
P_ ((struct Lisp_Hash_Table
*, Lisp_Object
, unsigned *));
2299 int hash_put
P_ ((struct Lisp_Hash_Table
*, Lisp_Object
, Lisp_Object
,
2301 void hash_remove
P_ ((struct Lisp_Hash_Table
*, Lisp_Object
));
2302 void hash_clear
P_ ((struct Lisp_Hash_Table
*));
2303 void remove_hash_entry
P_ ((struct Lisp_Hash_Table
*, int));
2304 extern void init_fns
P_ ((void));
2306 EXFUN (Fmake_hash_table
, MANY
);
2307 EXFUN (Fcopy_hash_table
, 1);
2308 EXFUN (Fhash_table_count
, 1);
2309 EXFUN (Fhash_table_rehash_size
, 1);
2310 EXFUN (Fhash_table_rehash_threshold
, 1);
2311 EXFUN (Fhash_table_size
, 1);
2312 EXFUN (Fhash_table_test
, 1);
2313 EXFUN (Fhash_table_weak
, 1);
2314 EXFUN (Fhash_table_p
, 1);
2315 EXFUN (Fclrhash
, 1);
2316 EXFUN (Fgethash
, 3);
2317 EXFUN (Fputhash
, 3);
2318 EXFUN (Fremhash
, 2);
2319 EXFUN (Fmaphash
, 2);
2320 EXFUN (Fdefine_hash_table_test
, 3);
2322 EXFUN (Fidentity
, 1);
2325 EXFUN (Fsafe_length
, 1);
2326 EXFUN (Fappend
, MANY
);
2327 EXFUN (Fconcat
, MANY
);
2328 EXFUN (Fvconcat
, MANY
);
2329 EXFUN (Fcopy_sequence
, 1);
2330 EXFUN (Fstring_make_multibyte
, 1);
2331 EXFUN (Fstring_make_unibyte
, 1);
2332 EXFUN (Fstring_as_multibyte
, 1);
2333 EXFUN (Fstring_as_unibyte
, 1);
2334 EXFUN (Fstring_to_multibyte
, 1);
2335 EXFUN (Fsubstring
, 3);
2336 extern Lisp_Object substring_both
P_ ((Lisp_Object
, int, int, int, int));
2348 EXFUN (Freverse
, 1);
2349 EXFUN (Fnreverse
, 1);
2353 EXFUN (Ffillarray
, 2);
2354 EXFUN (Fnconc
, MANY
);
2356 EXFUN (Fmapconcat
, 3);
2357 EXFUN (Fy_or_n_p
, 1);
2358 extern Lisp_Object do_yes_or_no_p
P_ ((Lisp_Object
));
2359 EXFUN (Frequire
, 3);
2360 EXFUN (Fprovide
, 2);
2361 extern Lisp_Object concat2
P_ ((Lisp_Object
, Lisp_Object
));
2362 extern Lisp_Object concat3
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
));
2363 extern Lisp_Object nconc2
P_ ((Lisp_Object
, Lisp_Object
));
2364 extern Lisp_Object assq_no_quit
P_ ((Lisp_Object
, Lisp_Object
));
2365 extern void clear_string_char_byte_cache
P_ ((void));
2366 extern int string_char_to_byte
P_ ((Lisp_Object
, int));
2367 extern int string_byte_to_char
P_ ((Lisp_Object
, int));
2368 extern Lisp_Object string_make_multibyte
P_ ((Lisp_Object
));
2369 extern Lisp_Object string_to_multibyte
P_ ((Lisp_Object
));
2370 extern Lisp_Object string_make_unibyte
P_ ((Lisp_Object
));
2371 EXFUN (Fcopy_alist
, 1);
2372 EXFUN (Fplist_get
, 2);
2373 EXFUN (Fplist_put
, 3);
2374 EXFUN (Fplist_member
, 2);
2375 EXFUN (Fset_char_table_parent
, 2);
2376 EXFUN (Fchar_table_extra_slot
, 2);
2377 EXFUN (Fset_char_table_extra_slot
, 3);
2379 EXFUN (Fstring_equal
, 2);
2380 EXFUN (Fcompare_strings
, 7);
2381 EXFUN (Fstring_lessp
, 2);
2382 extern int char_table_translate
P_ ((Lisp_Object
, int));
2383 extern void map_char_table
P_ ((void (*) (Lisp_Object
, Lisp_Object
, Lisp_Object
),
2384 Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, int,
2386 extern Lisp_Object char_table_ref_and_index
P_ ((Lisp_Object
, int, int *));
2387 extern void syms_of_fns
P_ ((void));
2389 /* Defined in floatfns.c */
2390 extern double extract_float
P_ ((Lisp_Object
));
2392 EXFUN (Ftruncate
, 2);
2393 extern void init_floatfns
P_ ((void));
2394 extern void syms_of_floatfns
P_ ((void));
2396 /* Defined in fringe.c */
2397 extern void syms_of_fringe
P_ ((void));
2398 extern void init_fringe
P_ ((void));
2399 extern void init_fringe_once
P_ ((void));
2401 /* Defined in image.c */
2402 EXFUN (Finit_image_library
, 2);
2403 extern void syms_of_image
P_ ((void));
2404 extern void init_image
P_ ((void));
2406 /* Defined in insdel.c */
2407 extern Lisp_Object Qinhibit_modification_hooks
;
2408 extern void move_gap
P_ ((int));
2409 extern void move_gap_both
P_ ((int, int));
2410 extern void make_gap
P_ ((int));
2411 extern int copy_text
P_ ((const unsigned char *, unsigned char *, int, int, int));
2412 extern int count_size_as_multibyte
P_ ((const unsigned char *, int));
2413 extern int count_combining_before
P_ ((const unsigned char *, int, int, int));
2414 extern int count_combining_after
P_ ((const unsigned char *, int, int, int));
2415 extern void insert
P_ ((const unsigned char *, int));
2416 extern void insert_and_inherit
P_ ((const unsigned char *, int));
2417 extern void insert_1
P_ ((const unsigned char *, int, int, int, int));
2418 extern void insert_1_both
P_ ((const unsigned char *, int, int, int, int, int));
2419 extern void insert_from_string
P_ ((Lisp_Object
, int, int, int, int, int));
2420 extern void insert_from_buffer
P_ ((struct buffer
*, int, int, int));
2421 extern void insert_char
P_ ((int));
2422 extern void insert_string
P_ ((const char *));
2423 extern void insert_before_markers
P_ ((const unsigned char *, int));
2424 extern void insert_before_markers_and_inherit
P_ ((const unsigned char *, int));
2425 extern void insert_from_string_before_markers
P_ ((Lisp_Object
, int, int, int, int, int));
2426 extern void del_range
P_ ((int, int));
2427 extern Lisp_Object del_range_1
P_ ((int, int, int, int));
2428 extern void del_range_byte
P_ ((int, int, int));
2429 extern void del_range_both
P_ ((int, int, int, int, int));
2430 extern Lisp_Object del_range_2
P_ ((int, int, int, int, int));
2431 extern void modify_region
P_ ((struct buffer
*, int, int));
2432 extern void prepare_to_modify_buffer
P_ ((int, int, int *));
2433 extern void signal_before_change
P_ ((int, int, int *));
2434 extern void signal_after_change
P_ ((int, int, int));
2435 extern void adjust_after_replace
P_ ((int, int, Lisp_Object
, int, int));
2436 extern void adjust_after_replace_noundo
P_ ((int, int, int, int, int, int));
2437 extern void adjust_after_insert
P_ ((int, int, int, int, int));
2438 extern void replace_range
P_ ((int, int, Lisp_Object
, int, int, int));
2439 extern void replace_range_2
P_ ((int, int, int, int, char *, int, int, int));
2440 extern void syms_of_insdel
P_ ((void));
2442 /* Defined in dispnew.c */
2443 extern Lisp_Object selected_frame
;
2444 extern EMACS_INT baud_rate
;
2446 EXFUN (Fredraw_frame
, 1);
2447 EXFUN (Fredraw_display
, 0);
2448 EXFUN (Fsleep_for
, 2);
2449 EXFUN (Fsit_for
, 3);
2450 extern Lisp_Object sit_for
P_ ((int, int, int, int, int));
2451 extern void init_display
P_ ((void));
2452 extern void syms_of_display
P_ ((void));
2453 extern void safe_bcopy
P_ ((const char *, char *, int));
2455 /* Defined in xdisp.c */
2456 extern Lisp_Object Qinhibit_point_motion_hooks
;
2457 extern Lisp_Object Qinhibit_redisplay
, Qdisplay
;
2458 extern Lisp_Object Qinhibit_eval_during_redisplay
;
2459 extern Lisp_Object Qmessage_truncate_lines
;
2460 extern Lisp_Object Qimage
;
2461 extern Lisp_Object Vmessage_log_max
;
2462 extern int message_enable_multibyte
;
2463 extern Lisp_Object echo_area_buffer
[2];
2464 extern void check_message_stack
P_ ((void));
2465 extern void setup_echo_area_for_printing
P_ ((int));
2466 extern int push_message
P_ ((void));
2467 extern Lisp_Object pop_message_unwind
P_ ((Lisp_Object
));
2468 extern Lisp_Object restore_message_unwind
P_ ((Lisp_Object
));
2469 extern void pop_message
P_ ((void));
2470 extern void restore_message
P_ ((void));
2471 extern Lisp_Object current_message
P_ ((void));
2472 extern void set_message
P_ ((const char *s
, Lisp_Object
, int, int));
2473 extern void clear_message
P_ ((int, int));
2474 extern void message
P_ ((/* char *, ... */));
2475 extern void message_nolog
P_ ((/* char *, ... */));
2476 extern void message1
P_ ((char *));
2477 extern void message1_nolog
P_ ((char *));
2478 extern void message2
P_ ((const char *, int, int));
2479 extern void message2_nolog
P_ ((const char *, int, int));
2480 extern void message3
P_ ((Lisp_Object
, int, int));
2481 extern void message3_nolog
P_ ((Lisp_Object
, int, int));
2482 extern void message_dolog
P_ ((const char *, int, int, int));
2483 extern void message_with_string
P_ ((char *, Lisp_Object
, int));
2484 extern void message_log_maybe_newline
P_ ((void));
2485 extern void update_echo_area
P_ ((void));
2486 extern void truncate_echo_area
P_ ((int));
2487 extern void redisplay
P_ ((void));
2488 extern int check_point_in_composition
2489 P_ ((struct buffer
*, int, struct buffer
*, int));
2490 extern void redisplay_preserve_echo_area
P_ ((int));
2491 extern void prepare_menu_bars
P_ ((void));
2493 void set_frame_cursor_types
P_ ((struct frame
*, Lisp_Object
));
2494 extern void syms_of_xdisp
P_ ((void));
2495 extern void init_xdisp
P_ ((void));
2496 extern Lisp_Object safe_eval
P_ ((Lisp_Object
));
2497 extern int pos_visible_p
P_ ((struct window
*, int, int *,
2498 int *, int *, int *, int));
2500 /* Defined in vm-limit.c. */
2501 extern void memory_warnings
P_ ((POINTER_TYPE
*, void (*warnfun
) ()));
2503 /* Defined in alloc.c */
2504 extern void check_pure_size
P_ ((void));
2505 extern void allocate_string_data
P_ ((struct Lisp_String
*, int, int));
2506 extern void reset_malloc_hooks
P_ ((void));
2507 extern void uninterrupt_malloc
P_ ((void));
2508 extern void malloc_warning
P_ ((char *));
2509 extern void memory_full
P_ ((void));
2510 extern void buffer_memory_full
P_ ((void));
2511 extern int survives_gc_p
P_ ((Lisp_Object
));
2512 extern void mark_object
P_ ((Lisp_Object
));
2513 extern Lisp_Object Vpurify_flag
;
2514 extern Lisp_Object Vmemory_full
;
2520 EXFUN (Flist
, MANY
);
2521 EXFUN (Fmake_list
, 2);
2522 extern Lisp_Object allocate_misc
P_ ((void));
2523 EXFUN (Fmake_vector
, 2);
2524 EXFUN (Fvector
, MANY
);
2525 EXFUN (Fmake_symbol
, 1);
2526 EXFUN (Fmake_marker
, 0);
2527 EXFUN (Fmake_string
, 2);
2528 extern Lisp_Object build_string
P_ ((const char *));
2529 extern Lisp_Object make_string
P_ ((const char *, int));
2530 extern Lisp_Object make_unibyte_string
P_ ((const char *, int));
2531 extern Lisp_Object make_multibyte_string
P_ ((const char *, int, int));
2532 extern Lisp_Object make_event_array
P_ ((int, Lisp_Object
*));
2533 extern Lisp_Object make_uninit_string
P_ ((int));
2534 extern Lisp_Object make_uninit_multibyte_string
P_ ((int, int));
2535 extern Lisp_Object make_string_from_bytes
P_ ((const char *, int, int));
2536 extern Lisp_Object make_specified_string
P_ ((const char *, int, int, int));
2537 EXFUN (Fpurecopy
, 1);
2538 extern Lisp_Object make_pure_string
P_ ((char *, int, int, int));
2539 extern Lisp_Object pure_cons
P_ ((Lisp_Object
, Lisp_Object
));
2540 extern Lisp_Object make_pure_vector
P_ ((EMACS_INT
));
2541 EXFUN (Fgarbage_collect
, 0);
2542 EXFUN (Fmake_byte_code
, MANY
);
2543 EXFUN (Fmake_bool_vector
, 2);
2544 EXFUN (Fmake_char_table
, 2);
2545 extern Lisp_Object make_sub_char_table
P_ ((Lisp_Object
));
2546 extern Lisp_Object Qchar_table_extra_slots
;
2547 extern struct Lisp_Vector
*allocate_vector
P_ ((EMACS_INT
));
2548 extern struct Lisp_Vector
*allocate_other_vector
P_ ((EMACS_INT
));
2549 extern struct Lisp_Hash_Table
*allocate_hash_table
P_ ((void));
2550 extern struct window
*allocate_window
P_ ((void));
2551 extern struct frame
*allocate_frame
P_ ((void));
2552 extern struct Lisp_Process
*allocate_process
P_ ((void));
2553 extern int gc_in_progress
;
2554 extern int abort_on_gc
;
2555 extern Lisp_Object make_float
P_ ((double));
2556 extern void display_malloc_warning
P_ ((void));
2557 extern int inhibit_garbage_collection
P_ ((void));
2558 extern Lisp_Object make_save_value
P_ ((void *, int));
2559 extern void free_misc
P_ ((Lisp_Object
));
2560 extern void free_marker
P_ ((Lisp_Object
));
2561 extern void free_cons
P_ ((struct Lisp_Cons
*));
2562 extern void init_alloc_once
P_ ((void));
2563 extern void init_alloc
P_ ((void));
2564 extern void syms_of_alloc
P_ ((void));
2565 extern struct buffer
* allocate_buffer
P_ ((void));
2566 extern int valid_lisp_object_p
P_ ((Lisp_Object
));
2568 /* Defined in print.c */
2569 extern Lisp_Object Vprin1_to_string_buffer
;
2570 extern void debug_print
P_ ((Lisp_Object
));
2572 EXFUN (Fprin1_to_string
, 2);
2576 EXFUN (Ferror_message_string
, 1);
2577 extern Lisp_Object Vstandard_output
, Qstandard_output
;
2578 extern Lisp_Object Qexternal_debugging_output
;
2579 extern void temp_output_buffer_setup
P_ ((const char *));
2580 extern int print_level
, print_escape_newlines
;
2581 extern Lisp_Object Qprint_escape_newlines
;
2582 extern void write_string
P_ ((char *, int));
2583 extern void write_string_1
P_ ((char *, int, Lisp_Object
));
2584 extern void print_error_message
P_ ((Lisp_Object
, Lisp_Object
, char *, Lisp_Object
));
2585 extern Lisp_Object internal_with_output_to_temp_buffer
2586 P_ ((const char *, Lisp_Object (*) (Lisp_Object
), Lisp_Object
));
2587 extern void float_to_string
P_ ((unsigned char *, double));
2588 extern void syms_of_print
P_ ((void));
2590 /* Defined in doprnt.c */
2591 extern int doprnt
P_ ((char *, int, char *, char *, int, char **));
2592 extern int doprnt_lisp
P_ ((char *, int, char *, char *, int, char **));
2594 /* Defined in lread.c */
2595 extern Lisp_Object Qvariable_documentation
, Qstandard_input
;
2596 extern Lisp_Object Vobarray
, initial_obarray
, Vstandard_input
;
2598 EXFUN (Fread_from_string
, 3);
2600 EXFUN (Fintern_soft
, 2);
2602 EXFUN (Fget_file_char
, 0);
2603 EXFUN (Fread_char
, 2);
2604 EXFUN (Fread_event
, 2);
2605 extern Lisp_Object read_filtered_event
P_ ((int, int, int, int));
2606 EXFUN (Feval_region
, 4);
2607 extern Lisp_Object intern
P_ ((const char *));
2608 extern Lisp_Object make_symbol
P_ ((char *));
2609 extern Lisp_Object oblookup
P_ ((Lisp_Object
, const char *, int, int));
2610 #define LOADHIST_ATTACH(x) \
2611 if (initialized) Vcurrent_load_list = Fcons (x, Vcurrent_load_list)
2612 extern Lisp_Object Vcurrent_load_list
;
2613 extern Lisp_Object Vload_history
, Vload_suffixes
;
2614 extern int openp
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
,
2615 Lisp_Object
*, Lisp_Object
));
2616 extern int isfloat_string
P_ ((char *));
2617 extern void map_obarray
P_ ((Lisp_Object
, void (*) (Lisp_Object
, Lisp_Object
),
2619 extern void dir_warning
P_ ((char *, Lisp_Object
));
2620 extern void close_load_descs
P_ ((void));
2621 extern void init_obarray
P_ ((void));
2622 extern void init_lread
P_ ((void));
2623 extern void syms_of_lread
P_ ((void));
2625 /* Defined in eval.c */
2626 extern Lisp_Object Qautoload
, Qexit
, Qinteractive
, Qcommandp
, Qdefun
, Qmacro
;
2627 extern Lisp_Object Vinhibit_quit
, Qinhibit_quit
, Vquit_flag
;
2628 extern Lisp_Object Vautoload_queue
;
2629 extern Lisp_Object Vdebug_on_error
;
2630 extern Lisp_Object Vsignaling_function
;
2631 extern int handling_signal
;
2632 extern int interactive_p
P_ ((int));
2634 /* To run a normal hook, use the appropriate function from the list below.
2635 The calling convention:
2637 if (!NILP (Vrun_hooks))
2638 call1 (Vrun_hooks, Qmy_funny_hook);
2640 should no longer be used. */
2641 extern Lisp_Object Vrun_hooks
;
2642 EXFUN (Frun_hooks
, MANY
);
2643 EXFUN (Frun_hook_with_args
, MANY
);
2644 EXFUN (Frun_hook_with_args_until_success
, MANY
);
2645 EXFUN (Frun_hook_with_args_until_failure
, MANY
);
2646 extern Lisp_Object run_hook_list_with_args
P_ ((Lisp_Object
, int, Lisp_Object
*));
2647 extern void run_hook_with_args_2
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
));
2648 EXFUN (Fand
, UNEVALLED
);
2649 EXFUN (For
, UNEVALLED
);
2650 EXFUN (Fif
, UNEVALLED
);
2651 EXFUN (Fprogn
, UNEVALLED
);
2652 EXFUN (Fprog1
, UNEVALLED
);
2653 EXFUN (Fprog2
, UNEVALLED
);
2654 EXFUN (Fsetq
, UNEVALLED
);
2655 EXFUN (Fquote
, UNEVALLED
);
2656 EXFUN (Fuser_variable_p
, 1);
2657 EXFUN (Finteractive_p
, 0);
2658 EXFUN (Fdefun
, UNEVALLED
);
2659 EXFUN (Flet
, UNEVALLED
);
2660 EXFUN (FletX
, UNEVALLED
);
2661 EXFUN (Fwhile
, UNEVALLED
);
2662 EXFUN (Fcatch
, UNEVALLED
);
2663 EXFUN (Fthrow
, 2) NO_RETURN
;
2664 EXFUN (Funwind_protect
, UNEVALLED
);
2665 EXFUN (Fcondition_case
, UNEVALLED
);
2667 EXFUN (Fautoload
, 5);
2668 EXFUN (Fcommandp
, 2);
2670 EXFUN (Fapply
, MANY
);
2671 EXFUN (Ffuncall
, MANY
);
2672 EXFUN (Fbacktrace
, 0);
2673 extern Lisp_Object apply1
P_ ((Lisp_Object
, Lisp_Object
));
2674 extern Lisp_Object call0
P_ ((Lisp_Object
));
2675 extern Lisp_Object call1
P_ ((Lisp_Object
, Lisp_Object
));
2676 extern Lisp_Object call2
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
));
2677 extern Lisp_Object call3
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
));
2678 extern Lisp_Object call4
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
));
2679 extern Lisp_Object call5
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
));
2680 extern Lisp_Object call6
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
));
2681 EXFUN (Fdo_auto_save
, 2);
2682 extern Lisp_Object apply_lambda
P_ ((Lisp_Object
, Lisp_Object
, int));
2683 extern Lisp_Object internal_catch
P_ ((Lisp_Object
, Lisp_Object (*) (Lisp_Object
), Lisp_Object
));
2684 extern Lisp_Object internal_lisp_condition_case
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
));
2685 extern Lisp_Object internal_condition_case
P_ ((Lisp_Object (*) (void), Lisp_Object
, Lisp_Object (*) (Lisp_Object
)));
2686 extern Lisp_Object internal_condition_case_1
P_ ((Lisp_Object (*) (Lisp_Object
), Lisp_Object
, Lisp_Object
, Lisp_Object (*) (Lisp_Object
)));
2687 extern Lisp_Object internal_condition_case_2
P_ ((Lisp_Object (*) (int, Lisp_Object
*), int, Lisp_Object
*, Lisp_Object
, Lisp_Object (*) (Lisp_Object
)));
2688 extern void specbind
P_ ((Lisp_Object
, Lisp_Object
));
2689 extern void record_unwind_protect
P_ ((Lisp_Object (*) (Lisp_Object
), Lisp_Object
));
2690 extern Lisp_Object unbind_to
P_ ((int, Lisp_Object
));
2691 extern void error
P_ ((/* char *, ... */)) NO_RETURN
;
2692 extern void do_autoload
P_ ((Lisp_Object
, Lisp_Object
));
2693 extern Lisp_Object un_autoload
P_ ((Lisp_Object
));
2694 EXFUN (Ffetch_bytecode
, 1);
2695 extern void init_eval_once
P_ ((void));
2696 extern Lisp_Object safe_call
P_ ((int, Lisp_Object
*));
2697 extern Lisp_Object safe_call1
P_ ((Lisp_Object
, Lisp_Object
));
2698 extern void init_eval
P_ ((void));
2699 extern void syms_of_eval
P_ ((void));
2701 /* Defined in editfns.c */
2702 EXFUN (Fpropertize
, MANY
);
2703 EXFUN (Fcurrent_message
, 0);
2704 EXFUN (Fgoto_char
, 1);
2705 EXFUN (Fpoint_min_marker
, 0);
2706 EXFUN (Fpoint_max_marker
, 0);
2707 EXFUN (Fpoint_min
, 0);
2708 EXFUN (Fpoint_max
, 0);
2710 EXFUN (Fpoint_marker
, 0);
2711 EXFUN (Fmark_marker
, 0);
2712 EXFUN (Fline_beginning_position
, 1);
2713 EXFUN (Fline_end_position
, 1);
2714 EXFUN (Ffollowing_char
, 0);
2715 EXFUN (Fprevious_char
, 0);
2716 EXFUN (Fchar_after
, 1);
2717 EXFUN (Finsert
, MANY
);
2718 EXFUN (Finsert_and_inherit
, MANY
);
2719 EXFUN (Finsert_before_markers
, MANY
);
2720 EXFUN (Finsert_buffer_substring
, 3);
2721 EXFUN (Finsert_char
, 3);
2722 extern void insert1
P_ ((Lisp_Object
));
2727 EXFUN (Fformat
, MANY
);
2728 EXFUN (Fmessage
, MANY
);
2729 extern Lisp_Object format2
P_ ((char *, Lisp_Object
, Lisp_Object
));
2730 extern Lisp_Object make_buffer_string
P_ ((int, int, int));
2731 EXFUN (Fbuffer_substring
, 2);
2732 EXFUN (Fbuffer_string
, 0);
2733 extern Lisp_Object save_excursion_save
P_ ((void));
2734 extern Lisp_Object save_restriction_save
P_ ((void));
2735 extern Lisp_Object save_excursion_restore
P_ ((Lisp_Object
));
2736 extern Lisp_Object save_restriction_restore
P_ ((Lisp_Object
));
2737 EXFUN (Fchar_to_string
, 1);
2738 EXFUN (Fdelete_region
, 2);
2739 EXFUN (Fnarrow_to_region
, 2);
2741 EXFUN (Fuser_login_name
, 1);
2742 EXFUN (Fsystem_name
, 0);
2743 EXFUN (Fcurrent_time
, 0);
2744 extern int clip_to_bounds
P_ ((int, int, int));
2745 extern Lisp_Object make_buffer_string
P_ ((int, int, int));
2746 extern Lisp_Object make_buffer_string_both
P_ ((int, int, int, int, int));
2747 extern void init_editfns
P_ ((void));
2748 extern void syms_of_editfns
P_ ((void));
2749 EXFUN (Fcurrent_message
, 0);
2750 extern Lisp_Object Vinhibit_field_text_motion
;
2751 EXFUN (Fconstrain_to_field
, 5);
2752 EXFUN (Ffield_string
, 1);
2753 EXFUN (Fdelete_field
, 1);
2754 EXFUN (Ffield_beginning
, 3);
2755 EXFUN (Ffield_end
, 3);
2756 EXFUN (Ffield_string_no_properties
, 1);
2757 extern void set_time_zone_rule
P_ ((char *));
2759 /* defined in buffer.c */
2760 extern int mouse_face_overlay_overlaps
P_ ((Lisp_Object
));
2761 extern void nsberror
P_ ((Lisp_Object
));
2762 extern char *no_switch_window
P_ ((Lisp_Object window
));
2763 EXFUN (Fset_buffer_multibyte
, 1);
2764 EXFUN (Foverlay_start
, 1);
2765 EXFUN (Foverlay_end
, 1);
2766 extern void adjust_overlays_for_insert
P_ ((EMACS_INT
, EMACS_INT
));
2767 extern void adjust_overlays_for_delete
P_ ((EMACS_INT
, EMACS_INT
));
2768 extern void fix_start_end_in_overlays
P_ ((int, int));
2769 extern void report_overlay_modification
P_ ((Lisp_Object
, Lisp_Object
, int,
2770 Lisp_Object
, Lisp_Object
, Lisp_Object
));
2771 extern int overlay_touches_p
P_ ((int));
2772 extern Lisp_Object Vbuffer_alist
, Vinhibit_read_only
;
2773 EXFUN (Fget_buffer
, 1);
2774 EXFUN (Fget_buffer_create
, 1);
2775 EXFUN (Fset_buffer
, 1);
2776 EXFUN (set_buffer_if_live
, 1);
2777 EXFUN (Fbarf_if_buffer_read_only
, 0);
2778 EXFUN (Fcurrent_buffer
, 0);
2779 EXFUN (Fswitch_to_buffer
, 2);
2780 EXFUN (Fpop_to_buffer
, 3);
2781 EXFUN (Fother_buffer
, 3);
2782 EXFUN (Foverlay_get
, 2);
2783 EXFUN (Fbuffer_modified_p
, 1);
2784 EXFUN (Fset_buffer_modified_p
, 1);
2785 EXFUN (Fkill_buffer
, 1);
2786 EXFUN (Fkill_all_local_variables
, 0);
2787 EXFUN (Fbuffer_disable_undo
, 1);
2788 EXFUN (Fbuffer_enable_undo
, 1);
2789 EXFUN (Ferase_buffer
, 0);
2790 extern Lisp_Object Qoverlayp
;
2791 extern Lisp_Object Qevaporate
;
2792 extern Lisp_Object get_truename_buffer
P_ ((Lisp_Object
));
2793 extern struct buffer
*all_buffers
;
2794 EXFUN (Fprevious_overlay_change
, 1);
2795 EXFUN (Fbuffer_file_name
, 1);
2796 extern void init_buffer_once
P_ ((void));
2797 extern void init_buffer
P_ ((void));
2798 extern void syms_of_buffer
P_ ((void));
2799 extern void keys_of_buffer
P_ ((void));
2801 /* defined in marker.c */
2803 EXFUN (Fmarker_position
, 1);
2804 EXFUN (Fmarker_buffer
, 1);
2805 EXFUN (Fcopy_marker
, 2);
2806 EXFUN (Fset_marker
, 3);
2807 extern int marker_position
P_ ((Lisp_Object
));
2808 extern int marker_byte_position
P_ ((Lisp_Object
));
2809 extern void clear_charpos_cache
P_ ((struct buffer
*));
2810 extern int charpos_to_bytepos
P_ ((int));
2811 extern int buf_charpos_to_bytepos
P_ ((struct buffer
*, int));
2812 extern int buf_bytepos_to_charpos
P_ ((struct buffer
*, int));
2813 extern void unchain_marker
P_ ((struct Lisp_Marker
*marker
));
2814 extern Lisp_Object set_marker_restricted
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
));
2815 extern Lisp_Object set_marker_both
P_ ((Lisp_Object
, Lisp_Object
, int, int));
2816 extern Lisp_Object set_marker_restricted_both
P_ ((Lisp_Object
, Lisp_Object
,
2818 extern void syms_of_marker
P_ ((void));
2820 /* Defined in fileio.c */
2822 extern Lisp_Object Qfile_error
;
2823 EXFUN (Ffind_file_name_handler
, 2);
2824 EXFUN (Ffile_name_as_directory
, 1);
2825 EXFUN (Fmake_temp_name
, 1);
2826 EXFUN (Fexpand_file_name
, 2);
2827 EXFUN (Ffile_name_nondirectory
, 1);
2828 EXFUN (Fsubstitute_in_file_name
, 1);
2829 EXFUN (Ffile_symlink_p
, 1);
2830 EXFUN (Fverify_visited_file_modtime
, 1);
2831 EXFUN (Ffile_exists_p
, 1);
2832 EXFUN (Ffile_name_absolute_p
, 1);
2833 EXFUN (Fdirectory_file_name
, 1);
2834 EXFUN (Ffile_name_directory
, 1);
2835 extern Lisp_Object expand_and_dir_to_file
P_ ((Lisp_Object
, Lisp_Object
));
2836 EXFUN (Ffile_accessible_directory_p
, 1);
2837 EXFUN (Funhandled_file_name_directory
, 1);
2838 EXFUN (Ffile_directory_p
, 1);
2839 EXFUN (Fwrite_region
, 7);
2840 EXFUN (Ffile_readable_p
, 1);
2841 EXFUN (Ffile_executable_p
, 1);
2842 EXFUN (Fread_file_name
, 6);
2843 extern Lisp_Object close_file_unwind
P_ ((Lisp_Object
));
2844 extern void report_file_error
P_ ((const char *, Lisp_Object
));
2845 extern int internal_delete_file
P_ ((Lisp_Object
));
2846 extern void syms_of_fileio
P_ ((void));
2847 EXFUN (Fmake_temp_name
, 1);
2848 extern void init_fileio_once
P_ ((void));
2849 extern Lisp_Object make_temp_name
P_ ((Lisp_Object
, int));
2850 EXFUN (Fmake_symbolic_link
, 3);
2852 /* Defined in abbrev.c */
2854 extern void syms_of_abbrev
P_ ((void));
2856 /* defined in search.c */
2857 extern void shrink_regexp_cache
P_ ((void));
2858 EXFUN (Fstring_match
, 3);
2859 extern void restore_search_regs
P_ ((void));
2860 EXFUN (Fmatch_data
, 3);
2861 EXFUN (Fset_match_data
, 2);
2862 EXFUN (Fmatch_beginning
, 1);
2863 EXFUN (Fmatch_end
, 1);
2864 extern void record_unwind_save_match_data
P_ ((void));
2865 EXFUN (Flooking_at
, 1);
2866 extern int fast_string_match
P_ ((Lisp_Object
, Lisp_Object
));
2867 extern int fast_c_string_match_ignore_case
P_ ((Lisp_Object
, const char *));
2868 extern int fast_string_match_ignore_case
P_ ((Lisp_Object
, Lisp_Object
));
2869 extern int scan_buffer
P_ ((int, int, int, int, int *, int));
2870 extern int scan_newline
P_ ((int, int, int, int, int, int));
2871 extern int find_next_newline
P_ ((int, int));
2872 extern int find_next_newline_no_quit
P_ ((int, int));
2873 extern int find_before_next_newline
P_ ((int, int, int));
2874 extern void syms_of_search
P_ ((void));
2876 /* defined in minibuf.c */
2878 extern Lisp_Object last_minibuf_string
;
2879 extern void choose_minibuf_frame
P_ ((void));
2880 EXFUN (Fcompleting_read
, 8);
2881 EXFUN (Fread_from_minibuffer
, 8);
2882 EXFUN (Fread_variable
, 2);
2883 EXFUN (Fread_buffer
, 3);
2884 EXFUN (Fread_minibuffer
, 2);
2885 EXFUN (Feval_minibuffer
, 2);
2886 EXFUN (Fread_string
, 5);
2887 EXFUN (Fread_no_blanks_input
, 3);
2888 extern Lisp_Object get_minibuffer
P_ ((int));
2889 extern void temp_echo_area_glyphs
P_ ((Lisp_Object
));
2890 extern void init_minibuf_once
P_ ((void));
2891 extern void syms_of_minibuf
P_ ((void));
2892 extern void keys_of_minibuf
P_ ((void));
2894 /* Defined in callint.c */
2896 extern Lisp_Object Qminus
, Qplus
, Vcurrent_prefix_arg
;
2897 extern Lisp_Object Vcommand_history
;
2898 extern Lisp_Object Qcall_interactively
, Qmouse_leave_buffer_hook
;
2899 EXFUN (Fcall_interactively
, 3);
2900 EXFUN (Fprefix_numeric_value
, 1);
2901 extern void syms_of_callint
P_ ((void));
2903 /* defined in casefiddle.c */
2905 EXFUN (Fdowncase
, 1);
2907 EXFUN (Fcapitalize
, 1);
2908 EXFUN (Fupcase_region
, 2);
2909 EXFUN (Fupcase_initials
, 1);
2910 EXFUN (Fupcase_initials_region
, 2);
2911 extern void syms_of_casefiddle
P_ ((void));
2912 extern void keys_of_casefiddle
P_ ((void));
2914 /* defined in casetab.c */
2916 EXFUN (Fset_case_table
, 1);
2917 EXFUN (Fset_standard_case_table
, 1);
2918 extern void init_casetab_once
P_ ((void));
2919 extern void syms_of_casetab
P_ ((void));
2921 /* defined in keyboard.c */
2924 extern Lisp_Object echo_message_buffer
;
2925 extern struct kboard
*echo_kboard
;
2926 extern void cancel_echoing
P_ ((void));
2927 extern Lisp_Object Qdisabled
, QCfilter
;
2928 extern Lisp_Object Vtty_erase_char
, Vhelp_form
, Vtop_level
;
2929 extern Lisp_Object Vthrow_on_input
;
2930 extern int input_pending
;
2931 EXFUN (Fdiscard_input
, 0);
2932 EXFUN (Frecursive_edit
, 0);
2933 EXFUN (Ftop_level
, 0);
2934 EXFUN (Fcommand_execute
, 4);
2935 EXFUN (Finput_pending_p
, 0);
2936 extern Lisp_Object menu_bar_items
P_ ((Lisp_Object
));
2937 extern Lisp_Object tool_bar_items
P_ ((Lisp_Object
, int *));
2938 extern Lisp_Object Qvertical_scroll_bar
;
2939 extern void discard_mouse_events
P_ ((void));
2940 EXFUN (Fevent_convert_list
, 1);
2941 EXFUN (Fread_key_sequence
, 5);
2942 EXFUN (Fset_input_mode
, 4);
2943 extern int detect_input_pending
P_ ((void));
2944 extern int detect_input_pending_ignore_squeezables
P_ ((void));
2945 extern int detect_input_pending_run_timers
P_ ((int));
2946 extern void safe_run_hooks
P_ ((Lisp_Object
));
2947 extern void cmd_error_internal
P_ ((Lisp_Object
, char *));
2948 extern Lisp_Object command_loop_1
P_ ((void));
2949 extern Lisp_Object recursive_edit_1
P_ ((void));
2950 extern void record_auto_save
P_ ((void));
2951 extern void init_keyboard
P_ ((void));
2952 extern void syms_of_keyboard
P_ ((void));
2953 extern void keys_of_keyboard
P_ ((void));
2954 extern char *push_key_description
P_ ((unsigned int, char *, int));
2957 /* defined in indent.c */
2958 EXFUN (Fvertical_motion
, 2);
2959 EXFUN (Findent_to
, 2);
2960 EXFUN (Fcurrent_column
, 0);
2961 EXFUN (Fmove_to_column
, 2);
2962 extern double current_column
P_ ((void));
2963 extern void invalidate_current_column
P_ ((void));
2964 extern int indented_beyond_p
P_ ((int, int, double));
2965 extern void syms_of_indent
P_ ((void));
2967 /* defined in frame.c */
2968 #ifdef HAVE_WINDOW_SYSTEM
2969 extern Lisp_Object Vx_resource_name
;
2970 extern Lisp_Object Vx_resource_class
;
2971 #endif /* HAVE_WINDOW_SYSTEM */
2972 extern Lisp_Object Qvisible
;
2973 extern void store_frame_param
P_ ((struct frame
*, Lisp_Object
, Lisp_Object
));
2974 extern void store_in_alist
P_ ((Lisp_Object
*, Lisp_Object
, Lisp_Object
));
2975 extern Lisp_Object do_switch_frame
P_ ((Lisp_Object
, int, int));
2976 extern Lisp_Object get_frame_param
P_ ((struct frame
*, Lisp_Object
));
2977 extern Lisp_Object frame_buffer_predicate
P_ ((Lisp_Object
));
2979 EXFUN (Fselect_frame
, 1);
2980 EXFUN (Fselected_frame
, 0);
2981 EXFUN (Fwindow_frame
, 1);
2982 EXFUN (Fframe_root_window
, 1);
2983 EXFUN (Fframe_first_window
, 1);
2984 EXFUN (Fframe_selected_window
, 1);
2985 EXFUN (Fframe_list
, 0);
2986 EXFUN (Fnext_frame
, 2);
2987 EXFUN (Fdelete_frame
, 2);
2988 EXFUN (Fset_mouse_position
, 3);
2989 EXFUN (Fmake_frame_visible
, 1);
2990 EXFUN (Fmake_frame_invisible
, 2);
2991 EXFUN (Ficonify_frame
, 1);
2992 EXFUN (Fframe_visible_p
, 1);
2993 EXFUN (Fvisible_frame_list
, 0);
2994 EXFUN (Fframe_parameter
, 2);
2995 EXFUN (Fframe_parameters
, 1);
2996 EXFUN (Fmodify_frame_parameters
, 2);
2997 EXFUN (Fset_frame_height
, 3);
2998 EXFUN (Fset_frame_width
, 3);
2999 EXFUN (Fset_frame_size
, 3);
3000 EXFUN (Fset_frame_position
, 3);
3001 EXFUN (Fraise_frame
, 1);
3002 EXFUN (Fredirect_frame_focus
, 2);
3003 EXFUN (Fset_frame_selected_window
, 2);
3004 extern Lisp_Object frame_buffer_list
P_ ((Lisp_Object
));
3005 extern void frames_discard_buffer
P_ ((Lisp_Object
));
3006 extern void set_frame_buffer_list
P_ ((Lisp_Object
, Lisp_Object
));
3007 extern void frames_bury_buffer
P_ ((Lisp_Object
));
3008 extern void syms_of_frame
P_ ((void));
3010 /* defined in emacs.c */
3011 extern Lisp_Object decode_env_path
P_ ((char *, char *));
3012 extern Lisp_Object Vinvocation_name
, Vinvocation_directory
;
3013 extern Lisp_Object Vinstallation_directory
, empty_string
;
3014 EXFUN (Fkill_emacs
, 1);
3016 void fixup_locale
P_ ((void));
3017 void synchronize_system_messages_locale
P_ ((void));
3018 void synchronize_system_time_locale
P_ ((void));
3020 #define setlocale(category, locale)
3021 #define fixup_locale()
3022 #define synchronize_system_messages_locale()
3023 #define synchronize_system_time_locale()
3025 void shut_down_emacs
P_ ((int, int, Lisp_Object
));
3026 /* Nonzero means don't do interactive redisplay and don't change tty modes */
3027 extern int noninteractive
;
3028 /* Nonzero means don't do use window-system-specific display code */
3029 extern int inhibit_window_system
;
3030 /* Nonzero means that a filter or a sentinel is running. */
3031 extern int running_asynch_code
;
3033 /* defined in process.c */
3034 EXFUN (Fget_process
, 1);
3035 EXFUN (Fget_buffer_process
, 1);
3036 EXFUN (Fprocessp
, 1);
3037 EXFUN (Fprocess_status
, 1);
3038 EXFUN (Fkill_process
, 2);
3039 EXFUN (Fprocess_send_eof
, 1);
3040 EXFUN (Fwaiting_for_user_input_p
, 0);
3041 extern Lisp_Object Qprocessp
;
3042 extern void kill_buffer_processes
P_ ((Lisp_Object
));
3043 extern int wait_reading_process_output
P_ ((int, int, int, int,
3045 struct Lisp_Process
*,
3047 extern void add_keyboard_wait_descriptor
P_ ((int));
3048 extern void delete_keyboard_wait_descriptor
P_ ((int));
3049 extern void close_process_descs
P_ ((void));
3050 extern void init_process
P_ ((void));
3051 extern void syms_of_process
P_ ((void));
3052 extern void setup_process_coding_systems
P_ ((Lisp_Object
));
3054 /* defined in callproc.c */
3055 extern Lisp_Object Vexec_path
, Vexec_suffixes
,
3056 Vexec_directory
, Vdata_directory
;
3057 extern Lisp_Object Vdoc_directory
;
3058 EXFUN (Fcall_process
, MANY
);
3059 extern int child_setup
P_ ((int, int, int, char **, int, Lisp_Object
));
3060 extern void init_callproc_1
P_ ((void));
3061 extern void init_callproc
P_ ((void));
3062 extern void set_process_environment
P_ ((void));
3063 extern void syms_of_callproc
P_ ((void));
3065 /* defined in doc.c */
3066 extern Lisp_Object Vdoc_file_name
;
3067 EXFUN (Fsubstitute_command_keys
, 1);
3068 EXFUN (Fdocumentation
, 2);
3069 EXFUN (Fdocumentation_property
, 3);
3070 extern Lisp_Object read_doc_string
P_ ((Lisp_Object
));
3071 extern Lisp_Object get_doc_string
P_ ((Lisp_Object
, int, int));
3072 extern void syms_of_doc
P_ ((void));
3073 extern int read_bytecode_char
P_ ((int));
3075 /* defined in bytecode.c */
3076 extern Lisp_Object Qbytecode
;
3077 EXFUN (Fbyte_code
, 3);
3078 extern void syms_of_bytecode
P_ ((void));
3079 extern struct byte_stack
*byte_stack_list
;
3080 extern void mark_byte_stack
P_ ((void));
3081 extern void unmark_byte_stack
P_ ((void));
3083 /* defined in macros.c */
3084 extern Lisp_Object Qexecute_kbd_macro
;
3085 EXFUN (Fexecute_kbd_macro
, 3);
3086 EXFUN (Fcancel_kbd_macro_events
, 0);
3087 extern void init_macros
P_ ((void));
3088 extern void syms_of_macros
P_ ((void));
3090 /* defined in undo.c */
3091 extern Lisp_Object Qinhibit_read_only
;
3092 EXFUN (Fundo_boundary
, 0);
3093 extern void truncate_undo_list
P_ ((struct buffer
*));
3094 extern void record_marker_adjustment
P_ ((Lisp_Object
, int));
3095 extern void record_insert
P_ ((int, int));
3096 extern void record_delete
P_ ((int, Lisp_Object
));
3097 extern void record_first_change
P_ ((void));
3098 extern void record_change
P_ ((int, int));
3099 extern void record_property_change
P_ ((int, int, Lisp_Object
, Lisp_Object
,
3101 extern void syms_of_undo
P_ ((void));
3102 extern Lisp_Object Vundo_outer_limit
;
3104 /* defined in textprop.c */
3105 extern Lisp_Object Qfont
, Qmouse_face
;
3106 extern Lisp_Object Qinsert_in_front_hooks
, Qinsert_behind_hooks
;
3107 EXFUN (Fnext_single_property_change
, 4);
3108 EXFUN (Fnext_single_char_property_change
, 4);
3109 EXFUN (Fprevious_single_property_change
, 4);
3110 EXFUN (Fput_text_property
, 5);
3111 EXFUN (Fprevious_char_property_change
, 2);
3112 EXFUN (Fnext_char_property_change
, 2);
3113 extern void report_interval_modification
P_ ((Lisp_Object
, Lisp_Object
));
3114 extern Lisp_Object next_single_char_property_change
P_ ((Lisp_Object
,
3119 /* defined in xmenu.c */
3120 EXFUN (Fx_popup_menu
, 2);
3121 EXFUN (Fx_popup_dialog
, 3);
3122 extern void syms_of_xmenu
P_ ((void));
3124 /* defined in sysdep.c */
3125 #ifndef HAVE_GET_CURRENT_DIR_NAME
3126 extern char *get_current_dir_name
P_ ((void));
3128 extern void stuff_char
P_ ((char c
));
3129 extern void init_sigio
P_ ((int));
3130 extern void request_sigio
P_ ((void));
3131 extern void unrequest_sigio
P_ ((void));
3132 extern void reset_sys_modes
P_ ((void));
3133 extern void sys_subshell
P_ ((void));
3134 extern void sys_suspend
P_ ((void));
3135 extern void discard_tty_input
P_ ((void));
3136 extern void init_sys_modes
P_ ((void));
3137 extern void reset_sys_modes
P_ ((void));
3138 extern void get_frame_size
P_ ((int *, int *));
3139 extern void wait_for_termination
P_ ((int));
3140 extern void flush_pending_output
P_ ((int));
3141 extern void child_setup_tty
P_ ((int));
3142 extern void setup_pty
P_ ((int));
3143 extern int set_window_size
P_ ((int, int, int));
3144 extern void create_process
P_ ((Lisp_Object
, char **, Lisp_Object
));
3145 extern int tabs_safe_p
P_ ((void));
3146 extern void init_baud_rate
P_ ((void));
3147 extern int emacs_open
P_ ((const char *, int, int));
3148 extern int emacs_close
P_ ((int));
3149 extern int emacs_read
P_ ((int, char *, unsigned int));
3150 extern int emacs_write
P_ ((int, const char *, unsigned int));
3152 /* defined in filelock.c */
3153 EXFUN (Funlock_buffer
, 0);
3154 EXFUN (Ffile_locked_p
, 1);
3155 extern void unlock_all_files
P_ ((void));
3156 extern void lock_file
P_ ((Lisp_Object
));
3157 extern void unlock_file
P_ ((Lisp_Object
));
3158 extern void unlock_buffer
P_ ((struct buffer
*));
3159 extern void syms_of_filelock
P_ ((void));
3160 extern void init_filelock
P_ ((void));
3162 /* Defined in sound.c */
3163 extern void syms_of_sound
P_ ((void));
3164 extern void init_sound
P_ ((void));
3166 /* Defined in category.c */
3167 extern void init_category_once
P_ ((void));
3168 extern void syms_of_category
P_ ((void));
3170 /* Defined in ccl.c */
3171 extern void syms_of_ccl
P_ ((void));
3173 /* Defined in dired.c */
3174 EXFUN (Ffile_attributes
, 2);
3175 extern void syms_of_dired
P_ ((void));
3177 /* Defined in term.c */
3178 extern void syms_of_term
P_ ((void));
3179 extern void fatal () NO_RETURN
;
3181 #ifdef HAVE_X_WINDOWS
3182 /* Defined in fontset.c */
3183 extern void syms_of_fontset
P_ ((void));
3184 EXFUN (Fset_fontset_font
, 4);
3187 /* Defined in xfaces.c */
3188 extern void syms_of_xfaces
P_ ((void));
3190 /* Defined in getloadavg.c */
3191 extern int getloadavg
P_ ((double *, int));
3193 #ifdef HAVE_X_WINDOWS
3194 /* Defined in xfns.c */
3195 extern void syms_of_xfns
P_ ((void));
3196 #endif /* HAVE_X_WINDOWS */
3197 #ifdef HAVE_WINDOW_SYSTEM
3198 /* Defined in xfns.c, w32fns.c, or macfns.c */
3199 EXFUN (Fxw_display_color_p
, 1);
3200 EXFUN (Fx_file_dialog
, 5);
3201 #endif /* HAVE_WINDOW_SYSTEM */
3203 /* Defined in xsmfns.c */
3204 extern void syms_of_xsmfns
P_ ((void));
3206 /* Defined in xselect.c */
3207 extern void syms_of_xselect
P_ ((void));
3209 /* Defined in xterm.c */
3210 extern void syms_of_xterm
P_ ((void));
3212 /* Defined in getloadavg.c */
3213 extern int getloadavg
P_ ((double [], int));
3216 /* Defined in msdos.c */
3217 EXFUN (Fmsdos_downcase_filename
, 1);
3220 /* Nonzero means Emacs has already been initialized.
3221 Used during startup to detect startup of dumped Emacs. */
3222 extern int initialized
;
3224 extern int immediate_quit
; /* Nonzero means ^G can quit instantly */
3226 extern POINTER_TYPE
*xmalloc
P_ ((size_t));
3227 extern POINTER_TYPE
*xrealloc
P_ ((POINTER_TYPE
*, size_t));
3228 extern void xfree
P_ ((POINTER_TYPE
*));
3230 extern char *xstrdup
P_ ((const char *));
3232 extern char *egetenv
P_ ((char *));
3234 /* Set up the name of the machine we're running on. */
3235 extern void init_system_name
P_ ((void));
3237 /* Some systems (e.g., NT) use a different path separator than Unix,
3238 in addition to a device separator. Default the path separator
3239 to '/', and don't test for a device separator in IS_ANY_SEP. */
3242 extern Lisp_Object Vdirectory_sep_char
;
3245 #ifndef DIRECTORY_SEP
3246 #define DIRECTORY_SEP '/'
3248 #ifndef IS_DIRECTORY_SEP
3249 #define IS_DIRECTORY_SEP(_c_) ((_c_) == DIRECTORY_SEP)
3251 #ifndef IS_DEVICE_SEP
3253 #define IS_DEVICE_SEP(_c_) 0
3255 #define IS_DEVICE_SEP(_c_) ((_c_) == DEVICE_SEP)
3259 #define IS_ANY_SEP(_c_) (IS_DIRECTORY_SEP (_c_))
3262 #ifdef SWITCH_ENUM_BUG
3263 #define SWITCH_ENUM_CAST(x) ((int)(x))
3265 #define SWITCH_ENUM_CAST(x) (x)
3268 /* Loop over Lisp list LIST. Signal an error if LIST is not a proper
3269 list, or if it contains circles.
3271 HARE and TORTOISE should be the names of Lisp_Object variables, and
3272 N should be the name of an EMACS_INT variable declared in the
3273 function where the macro is used. Each nested loop should use
3276 In the loop body, HARE is set to each cons of LIST, and N is the
3277 length of the list processed so far. */
3279 #define LIST_END_P(list, obj) \
3284 : (wrong_type_argument (Qlistp, (list))), 1))
3286 #define FOREACH(hare, list, tortoise, n) \
3287 for (tortoise = hare = (list), n = 0; \
3288 !LIST_END_P (list, hare); \
3289 (hare = XCDR (hare), ++n, \
3291 ? (tortoise = XCDR (tortoise), \
3292 (EQ (hare, tortoise) \
3293 && (circular_list_error ((list)), 1))) \
3296 /* The ubiquitous min and max macros. */
3302 #define min(a, b) ((a) < (b) ? (a) : (b))
3303 #define max(a, b) ((a) > (b) ? (a) : (b))
3305 /* Return a fixnum or float, depending on whether VAL fits in a Lisp
3308 #define make_fixnum_or_float(val) \
3309 (FIXNUM_OVERFLOW_P (val) \
3310 ? make_float (val) \
3311 : make_number ((EMACS_INT)(val)))
3314 /* Checks the `cycle check' variable CHECK to see if it indicates that
3315 EL is part of a cycle; CHECK must be either Qnil or a value returned
3316 by an earlier use of CYCLE_CHECK. SUSPICIOUS is the number of
3317 elements after which a cycle might be suspected; after that many
3318 elements, this macro begins consing in order to keep more precise
3321 Returns nil if a cycle was detected, otherwise a new value for CHECK
3324 CHECK is evaluated multiple times, EL and SUSPICIOUS 0 or 1 times, so
3325 the caller should make sure that's ok. */
3327 #define CYCLE_CHECK(check, el, suspicious) \
3330 : (INTEGERP (check) \
3331 ? (XFASTINT (check) < (suspicious) \
3332 ? make_number (XFASTINT (check) + 1) \
3333 : Fcons (el, Qnil)) \
3334 : (!NILP (Fmemq ((el), (check))) \
3336 : Fcons ((el), (check)))))
3339 /* SAFE_ALLOCA normally allocates memory on the stack, but if size is
3340 larger than MAX_ALLOCA, use xmalloc to avoid overflowing the stack. */
3342 #define MAX_ALLOCA 16*1024
3344 extern Lisp_Object
safe_alloca_unwind (Lisp_Object
);
3346 #define USE_SAFE_ALLOCA \
3347 int sa_count = SPECPDL_INDEX (), sa_must_free = 0
3349 /* SAFE_ALLOCA allocates a simple buffer. */
3351 #define SAFE_ALLOCA(buf, type, size) \
3353 if ((size) < MAX_ALLOCA) \
3354 buf = (type) alloca (size); \
3357 buf = (type) xmalloc (size); \
3359 record_unwind_protect (safe_alloca_unwind, \
3360 make_save_value (buf, 0)); \
3364 /* SAFE_FREE frees xmalloced memory and enables GC as needed. */
3366 #define SAFE_FREE() \
3368 if (sa_must_free) { \
3370 unbind_to (sa_count, Qnil); \
3375 /* SAFE_ALLOCA_LISP allocates an array of Lisp_Objects. */
3377 #define SAFE_ALLOCA_LISP(buf, nelt) \
3379 int size_ = (nelt) * sizeof (Lisp_Object); \
3380 if (size_ < MAX_ALLOCA) \
3381 buf = (Lisp_Object *) alloca (size_); \
3385 buf = (Lisp_Object *) xmalloc (size_); \
3386 arg_ = make_save_value (buf, nelt); \
3387 XSAVE_VALUE (arg_)->dogc = 1; \
3389 record_unwind_protect (safe_alloca_unwind, arg_); \
3394 #endif /* EMACS_LISP_H */
3396 /* arch-tag: 9b2ed020-70eb-47ac-94ee-e1c2a5107d5e
3397 (do not change this comment) */