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., 59 Temple Place - Suite 330,
20 Boston, MA 02111-1307, USA. */
25 /* Declare the prototype for a general external function. */
26 #if defined (PROTOTYPES) || defined (WINDOWSNT)
27 #define P_(proto) proto
33 /* Define this temporarily to hunt a bug. If defined, the size of
34 strings is redundantly recorded in sdata structures so that it can
35 be compared to the sizes recorded in Lisp strings. */
37 #define GC_CHECK_STRING_BYTES 1
39 /* Define this to check for short string overrun. */
41 #define GC_CHECK_STRING_OVERRUN 1
43 /* Define this to check the string free list. */
45 #define GC_CHECK_STRING_FREE_LIST 1
47 /* Define this to check for malloc buffer overrun. */
49 #define XMALLOC_OVERRUN_CHECK 1
51 /* Define this to check for errors in cons list. */
52 /* #define GC_CHECK_CONS_LIST 1 */
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 #define Lisp_Object EMACS_INT
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).s.val == (y).s.val && (x).s.type == (y).s.type)
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
603 Lisp_Object car_
, cdr_
;
605 Lisp_Object car
, cdr
;
609 /* Take the car or cdr of something known to be a cons cell. */
610 /* The _AS_LVALUE macros shouldn't be used outside of the minimal set
611 of code that has to know what a cons cell looks like. Other code not
612 part of the basic lisp implementation should assume that the car and cdr
613 fields are not accessible as lvalues. (What if we want to switch to
614 a copying collector someday? Cached cons cell field addresses may be
615 invalidated at arbitrary points.) */
616 #ifdef HIDE_LISP_IMPLEMENTATION
617 #define XCAR_AS_LVALUE(c) (XCONS ((c))->car_)
618 #define XCDR_AS_LVALUE(c) (XCONS ((c))->cdr_)
620 #define XCAR_AS_LVALUE(c) (XCONS ((c))->car)
621 #define XCDR_AS_LVALUE(c) (XCONS ((c))->cdr)
624 /* Use these from normal code. */
625 #define XCAR(c) LISP_MAKE_RVALUE(XCAR_AS_LVALUE(c))
626 #define XCDR(c) LISP_MAKE_RVALUE(XCDR_AS_LVALUE(c))
628 /* Use these to set the fields of a cons cell.
630 Note that both arguments may refer to the same object, so 'n'
631 should not be read after 'c' is first modified. Also, neither
632 argument should be evaluated more than once; side effects are
633 especially common in the second argument. */
634 #define XSETCAR(c,n) (XCAR_AS_LVALUE(c) = (n))
635 #define XSETCDR(c,n) (XCDR_AS_LVALUE(c) = (n))
637 /* For performance: Fast storage of positive integers into the
638 fields of a cons cell. See above caveats. */
639 #define XSETCARFASTINT(c,n) XSETFASTINT(XCAR_AS_LVALUE(c),(n))
640 #define XSETCDRFASTINT(c,n) XSETFASTINT(XCDR_AS_LVALUE(c),(n))
642 /* Take the car or cdr of something whose type is not known. */
644 (CONSP ((c)) ? XCAR ((c)) \
645 : NILP ((c)) ? Qnil \
646 : wrong_type_argument (Qlistp, (c)))
649 (CONSP ((c)) ? XCDR ((c)) \
650 : NILP ((c)) ? Qnil \
651 : wrong_type_argument (Qlistp, (c)))
653 /* Nonzero if STR is a multibyte string. */
654 #define STRING_MULTIBYTE(STR) \
655 (XSTRING (STR)->size_byte >= 0)
657 /* Return the length in bytes of STR. */
659 #ifdef GC_CHECK_STRING_BYTES
662 extern int string_bytes
P_ ((struct Lisp_String
*));
663 #define STRING_BYTES(S) string_bytes ((S))
665 #else /* not GC_CHECK_STRING_BYTES */
667 #define STRING_BYTES(STR) \
668 ((STR)->size_byte < 0 ? (STR)->size : (STR)->size_byte)
670 #endif /* not GC_CHECK_STRING_BYTES */
672 /* Mark STR as a unibyte string. */
673 #define STRING_SET_UNIBYTE(STR) (XSTRING (STR)->size_byte = -1)
675 /* Get text properties. */
676 #define STRING_INTERVALS(STR) (XSTRING (STR)->intervals + 0)
678 /* Set text properties. */
679 #define STRING_SET_INTERVALS(STR, INT) (XSTRING (STR)->intervals = (INT))
681 /* In a string or vector, the sign bit of the `size' is the gc mark bit */
687 INTERVAL intervals
; /* text properties in this string */
691 /* If a struct is made to look like a vector, this macro returns the length
692 of the shortest vector that would hold that struct. */
693 #define VECSIZE(type) ((sizeof (type) - (sizeof (struct Lisp_Vector) \
694 - sizeof (Lisp_Object)) \
695 + sizeof(Lisp_Object) - 1) /* round up */ \
696 / sizeof (Lisp_Object))
701 struct Lisp_Vector
*next
;
702 Lisp_Object contents
[1];
705 /* A char table is a kind of vectorlike, with contents are like a
706 vector but with a few other slots. For some purposes, it makes
707 sense to handle a chartable with type struct Lisp_Vector. An
708 element of a char table can be any Lisp objects, but if it is a sub
709 char-table, we treat it a table that contains information of a
710 group of characters of the same charsets or a specific character of
711 a charset. A sub char-table has the same structure as a char table
712 except for that the former omits several slots at the tail. A sub
713 char table appears only in an element of a char table, and there's
714 no way to access it directly from Emacs Lisp program. */
716 /* This is the number of slots that apply to characters or character
717 sets. The first 128 are for ASCII, the next 128 are for 8-bit
718 European characters, and the last 128 are for multibyte characters.
719 The first 256 are indexed by the code itself, but the last 128 are
720 indexed by (charset-id + 128). */
721 #define CHAR_TABLE_ORDINARY_SLOTS 384
723 /* This is the number of slots that apply to characters of ASCII and
724 8-bit Europeans only. */
725 #define CHAR_TABLE_SINGLE_BYTE_SLOTS 256
727 /* This is the number of slots that every char table must have. This
728 counts the ordinary slots and the top, defalt, parent, and purpose
730 #define CHAR_TABLE_STANDARD_SLOTS (CHAR_TABLE_ORDINARY_SLOTS + 4)
732 /* This is the number of slots that apply to position-code-1 and
733 position-code-2 of a multibyte character at the 2nd and 3rd level
734 sub char tables respectively. */
735 #define SUB_CHAR_TABLE_ORDINARY_SLOTS 128
737 /* This is the number of slots that every sub char table must have.
738 This counts the ordinary slots and the top and defalt slot. */
739 #define SUB_CHAR_TABLE_STANDARD_SLOTS (SUB_CHAR_TABLE_ORDINARY_SLOTS + 2)
741 /* Return the number of "extra" slots in the char table CT. */
743 #define CHAR_TABLE_EXTRA_SLOTS(CT) \
744 (((CT)->size & PSEUDOVECTOR_SIZE_MASK) - CHAR_TABLE_STANDARD_SLOTS)
746 /* Almost equivalent to Faref (CT, IDX) with optimization for ASCII
747 and 8-bit Europeans characters. For these characters, do not check
748 validity of CT. Do not follow parent. */
749 #define CHAR_TABLE_REF(CT, IDX) \
750 ((IDX) >= 0 && (IDX) < CHAR_TABLE_SINGLE_BYTE_SLOTS \
751 ? (!NILP (XCHAR_TABLE (CT)->contents[IDX]) \
752 ? XCHAR_TABLE (CT)->contents[IDX] \
753 : XCHAR_TABLE (CT)->defalt) \
754 : Faref (CT, make_number (IDX)))
756 /* Almost equivalent to Faref (CT, IDX) with optimization for ASCII
757 and 8-bit Europeans characters. However, if the result is nil,
760 For these characters, do not check validity of CT
761 and do not follow parent. */
762 #define CHAR_TABLE_TRANSLATE(CT, IDX) \
763 ((IDX) < CHAR_TABLE_SINGLE_BYTE_SLOTS \
764 ? (!NILP (XCHAR_TABLE (CT)->contents[IDX]) \
765 ? XINT (XCHAR_TABLE (CT)->contents[IDX]) \
767 : char_table_translate (CT, IDX))
769 /* Equivalent to Faset (CT, IDX, VAL) with optimization for ASCII and
770 8-bit Europeans characters. Do not check validity of CT. */
771 #define CHAR_TABLE_SET(CT, IDX, VAL) \
773 if (XFASTINT (IDX) < CHAR_TABLE_SINGLE_BYTE_SLOTS) \
774 XCHAR_TABLE (CT)->contents[XFASTINT (IDX)] = VAL; \
776 Faset (CT, IDX, VAL); \
779 struct Lisp_Char_Table
781 /* This is the vector's size field, which also holds the
782 pseudovector type information. It holds the size, too.
783 The size counts the top, defalt, purpose, and parent slots.
784 The last three are not counted if this is a sub char table. */
786 struct Lisp_Vector
*next
;
787 /* This holds a flag to tell if this is a top level char table (t)
788 or a sub char table (nil). */
790 /* This holds a default value,
791 which is used whenever the value for a specific character is nil. */
793 /* This holds an actual value of each element. A sub char table
794 has only SUB_CHAR_TABLE_ORDINARY_SLOTS number of elements. */
795 Lisp_Object contents
[CHAR_TABLE_ORDINARY_SLOTS
];
797 /* A sub char table doesn't has the following slots. */
799 /* This points to another char table, which we inherit from
800 when the value for a specific character is nil.
801 The `defalt' slot takes precedence over this. */
803 /* This should be a symbol which says what kind of use
804 this char-table is meant for.
805 Typically now the values can be `syntax-table' and `display-table'. */
807 /* These hold additional data. */
808 Lisp_Object extras
[1];
811 /* A boolvector is a kind of vectorlike, with contents are like a string. */
812 struct Lisp_Bool_Vector
814 /* This is the vector's size field. It doesn't have the real size,
815 just the subtype information. */
816 EMACS_INT vector_size
;
817 struct Lisp_Vector
*next
;
818 /* This is the size in bits. */
820 /* This contains the actual bits, packed into bytes. */
821 unsigned char data
[1];
824 /* This structure describes a built-in function.
825 It is generated by the DEFUN macro only.
826 defsubr makes it into a Lisp object.
828 This type is treated in most respects as a pseudovector,
829 but since we never dynamically allocate or free them,
830 we don't need a next-vector field. */
835 Lisp_Object (*function
) ();
836 short min_args
, max_args
;
843 /***********************************************************************
845 ***********************************************************************/
847 /* Interned state of a symbol. */
851 SYMBOL_UNINTERNED
= 0,
853 SYMBOL_INTERNED_IN_INITIAL_OBARRAY
= 2
856 /* In a symbol, the markbit of the plist is used as the gc mark bit */
860 unsigned gcmarkbit
: 1;
862 /* Non-zero means symbol serves as a variable alias. The symbol
863 holding the real value is found in the value slot. */
864 unsigned indirect_variable
: 1;
866 /* Non-zero means symbol is constant, i.e. changing its value
867 should signal an error. */
868 unsigned constant
: 1;
870 /* Interned state of the symbol. This is an enumerator from
871 enum symbol_interned. */
872 unsigned interned
: 2;
874 /* The symbol's name, as a Lisp string.
876 The name "xname" is used to intentionally break code referring to
877 the old field "name" of type pointer to struct Lisp_String. */
880 /* Value of the symbol or Qunbound if unbound. If this symbol is a
881 defvaralias, `value' contains the symbol for which it is an
882 alias. Use the SYMBOL_VALUE and SET_SYMBOL_VALUE macros to get
883 and set a symbol's value, to take defvaralias into account. */
886 /* Function value of the symbol or Qunbound if not fboundp. */
887 Lisp_Object function
;
889 /* The symbol's property list. */
892 /* Next symbol in obarray bucket, if the symbol is interned. */
893 struct Lisp_Symbol
*next
;
896 /* Value is name of symbol. */
898 #define SYMBOL_NAME(sym) \
899 LISP_MAKE_RVALUE (XSYMBOL (sym)->xname)
901 /* Value is non-zero if SYM is an interned symbol. */
903 #define SYMBOL_INTERNED_P(sym) \
904 (XSYMBOL (sym)->interned != SYMBOL_UNINTERNED)
906 /* Value is non-zero if SYM is interned in initial_obarray. */
908 #define SYMBOL_INTERNED_IN_INITIAL_OBARRAY_P(sym) \
909 (XSYMBOL (sym)->interned == SYMBOL_INTERNED_IN_INITIAL_OBARRAY)
911 /* Value is non-zero if symbol is considered a constant, i.e. its
912 value cannot be changed (there is an exception for keyword symbols,
913 whose value can be set to the keyword symbol itself). */
915 #define SYMBOL_CONSTANT_P(sym) XSYMBOL (sym)->constant
917 /* Value is the value of SYM, with defvaralias taken into
920 #define SYMBOL_VALUE(sym) \
921 (XSYMBOL (sym)->indirect_variable \
922 ? XSYMBOL (indirect_variable (sym))->value \
923 : XSYMBOL (sym)->value)
925 /* Set SYM's value to VAL, taking defvaralias into account. */
927 #define SET_SYMBOL_VALUE(sym, val) \
929 if (XSYMBOL (sym)->indirect_variable) \
930 XSYMBOL (indirect_variable ((sym)))->value = (val); \
932 XSYMBOL (sym)->value = (val); \
936 /***********************************************************************
938 ***********************************************************************/
940 /* The structure of a Lisp hash table. */
942 struct Lisp_Hash_Table
944 /* Vector fields. The hash table code doesn't refer to these. */
946 struct Lisp_Vector
*vec_next
;
948 /* Function used to compare keys. */
951 /* Nil if table is non-weak. Otherwise a symbol describing the
952 weakness of the table. */
955 /* When the table is resized, and this is an integer, compute the
956 new size by adding this to the old size. If a float, compute the
957 new size by multiplying the old size with this factor. */
958 Lisp_Object rehash_size
;
960 /* Resize hash table when number of entries/ table size is >= this
962 Lisp_Object rehash_threshold
;
964 /* Number of key/value entries in the table. */
967 /* Vector of keys and values. The key of item I is found at index
968 2 * I, the value is found at index 2 * I + 1. */
969 Lisp_Object key_and_value
;
971 /* Vector of hash codes.. If hash[I] is nil, this means that that
972 entry I is unused. */
975 /* Vector used to chain entries. If entry I is free, next[I] is the
976 entry number of the next free item. If entry I is non-free,
977 next[I] is the index of the next entry in the collision chain. */
980 /* Index of first free entry in free list. */
981 Lisp_Object next_free
;
983 /* Bucket vector. A non-nil entry is the index of the first item in
984 a collision chain. This vector's size can be larger than the
985 hash table size to reduce collisions. */
988 /* Next weak hash table if this is a weak hash table. The head
989 of the list is in Vweak_hash_tables. */
990 Lisp_Object next_weak
;
992 /* User-supplied hash function, or nil. */
993 Lisp_Object user_hash_function
;
995 /* User-supplied key comparison function, or nil. */
996 Lisp_Object user_cmp_function
;
998 /* C function to compare two keys. */
999 int (* cmpfn
) P_ ((struct Lisp_Hash_Table
*, Lisp_Object
,
1000 unsigned, Lisp_Object
, unsigned));
1002 /* C function to compute hash code. */
1003 unsigned (* hashfn
) P_ ((struct Lisp_Hash_Table
*, Lisp_Object
));
1007 #define XHASH_TABLE(OBJ) \
1008 ((struct Lisp_Hash_Table *) XPNTR (OBJ))
1010 #define XSET_HASH_TABLE(VAR, PTR) \
1011 (XSETPSEUDOVECTOR (VAR, PTR, PVEC_HASH_TABLE))
1013 #define HASH_TABLE_P(OBJ) PSEUDOVECTORP (OBJ, PVEC_HASH_TABLE)
1014 #define GC_HASH_TABLE_P(x) GC_PSEUDOVECTORP (x, PVEC_HASH_TABLE)
1016 #define CHECK_HASH_TABLE(x) \
1019 if (!HASH_TABLE_P ((x))) \
1020 x = wrong_type_argument (Qhash_table_p, (x)); \
1024 /* Value is the key part of entry IDX in hash table H. */
1026 #define HASH_KEY(H, IDX) AREF ((H)->key_and_value, 2 * (IDX))
1028 /* Value is the value part of entry IDX in hash table H. */
1030 #define HASH_VALUE(H, IDX) AREF ((H)->key_and_value, 2 * (IDX) + 1)
1032 /* Value is the index of the next entry following the one at IDX
1035 #define HASH_NEXT(H, IDX) AREF ((H)->next, (IDX))
1037 /* Value is the hash code computed for entry IDX in hash table H. */
1039 #define HASH_HASH(H, IDX) AREF ((H)->hash, (IDX))
1041 /* Value is the index of the element in hash table H that is the
1042 start of the collision list at index IDX in the index vector of H. */
1044 #define HASH_INDEX(H, IDX) AREF ((H)->index, (IDX))
1046 /* Value is the size of hash table H. */
1048 #define HASH_TABLE_SIZE(H) XVECTOR ((H)->next)->size
1050 /* Default size for hash tables if not specified. */
1052 #define DEFAULT_HASH_SIZE 65
1054 /* Default threshold specifying when to resize a hash table. The
1055 value gives the ratio of current entries in the hash table and the
1056 size of the hash table. */
1058 #define DEFAULT_REHASH_THRESHOLD 0.8
1060 /* Default factor by which to increase the size of a hash table. */
1062 #define DEFAULT_REHASH_SIZE 1.5
1065 /* These structures are used for various misc types. */
1069 int type
: 16; /* = Lisp_Misc_Marker */
1070 unsigned gcmarkbit
: 1;
1072 /* 1 means normal insertion at the marker's position
1073 leaves the marker after the inserted text. */
1074 unsigned int insertion_type
: 1;
1075 /* This is the buffer that the marker points into,
1076 or 0 if it points nowhere. */
1077 struct buffer
*buffer
;
1079 /* The remaining fields are meaningless in a marker that
1080 does not point anywhere. */
1082 /* For markers that point somewhere,
1083 this is used to chain of all the markers in a given buffer. */
1084 struct Lisp_Marker
*next
;
1085 /* This is the char position where the marker points. */
1087 /* This is the byte position. */
1091 /* Forwarding pointer to an int variable.
1092 This is allowed only in the value cell of a symbol,
1093 and it means that the symbol's value really lives in the
1094 specified int variable. */
1097 int type
: 16; /* = Lisp_Misc_Intfwd */
1098 unsigned gcmarkbit
: 1;
1103 /* Boolean forwarding pointer to an int variable.
1104 This is like Lisp_Intfwd except that the ostensible
1105 "value" of the symbol is t if the int variable is nonzero,
1106 nil if it is zero. */
1109 int type
: 16; /* = Lisp_Misc_Boolfwd */
1110 unsigned gcmarkbit
: 1;
1115 /* Forwarding pointer to a Lisp_Object variable.
1116 This is allowed only in the value cell of a symbol,
1117 and it means that the symbol's value really lives in the
1118 specified variable. */
1121 int type
: 16; /* = Lisp_Misc_Objfwd */
1122 unsigned gcmarkbit
: 1;
1124 Lisp_Object
*objvar
;
1127 /* Like Lisp_Objfwd except that value lives in a slot in the
1128 current buffer. Value is byte index of slot within buffer. */
1129 struct Lisp_Buffer_Objfwd
1131 int type
: 16; /* = Lisp_Misc_Buffer_Objfwd */
1132 unsigned gcmarkbit
: 1;
1137 /* struct Lisp_Buffer_Local_Value is used in a symbol value cell when
1138 the symbol has buffer-local or frame-local bindings. (Exception:
1139 some buffer-local variables are built-in, with their values stored
1140 in the buffer structure itself. They are handled differently,
1141 using struct Lisp_Buffer_Objfwd.)
1143 The `realvalue' slot holds the variable's current value, or a
1144 forwarding pointer to where that value is kept. This value is the
1145 one that corresponds to the loaded binding. To read or set the
1146 variable, you must first make sure the right binding is loaded;
1147 then you can access the value in (or through) `realvalue'.
1149 `buffer' and `frame' are the buffer and frame for which the loaded
1150 binding was found. If those have changed, to make sure the right
1151 binding is loaded it is necessary to find which binding goes with
1152 the current buffer and selected frame, then load it. To load it,
1153 first unload the previous binding, then copy the value of the new
1154 binding into `realvalue' (or through it). Also update
1155 LOADED-BINDING to point to the newly loaded binding.
1157 Lisp_Misc_Buffer_Local_Value and Lisp_Misc_Some_Buffer_Local_Value
1158 both use this kind of structure. With the former, merely setting
1159 the variable creates a local binding for the current buffer. With
1160 the latter, setting the variable does not do that; only
1161 make-local-variable does that. */
1163 struct Lisp_Buffer_Local_Value
1165 int type
: 16; /* = Lisp_Misc_Buffer_Local_Value
1166 or Lisp_Misc_Some_Buffer_Local_Value */
1167 unsigned gcmarkbit
: 1;
1170 /* 1 means this variable is allowed to have frame-local bindings,
1171 so check for them when looking for the proper binding. */
1172 unsigned int check_frame
: 1;
1173 /* 1 means that the binding now loaded was found
1174 as a local binding for the buffer in the `buffer' slot. */
1175 unsigned int found_for_buffer
: 1;
1176 /* 1 means that the binding now loaded was found
1177 as a local binding for the frame in the `frame' slot. */
1178 unsigned int found_for_frame
: 1;
1179 Lisp_Object realvalue
;
1180 /* The buffer and frame for which the loaded binding was found. */
1181 Lisp_Object buffer
, frame
;
1183 /* A cons cell, (LOADED-BINDING . DEFAULT-VALUE).
1185 LOADED-BINDING is the binding now loaded. It is a cons cell
1186 whose cdr is the binding's value. The cons cell may be an
1187 element of a buffer's local-variable alist, or an element of a
1188 frame's parameter alist, or it may be this cons cell.
1190 DEFAULT-VALUE is the variable's default value, seen when the
1191 current buffer and selected frame do not have their own
1192 bindings for the variable. When the default binding is loaded,
1193 LOADED-BINDING is actually this very cons cell; thus, its car
1194 points to itself. */
1198 /* START and END are markers in the overlay's buffer, and
1199 PLIST is the overlay's property list. */
1202 int type
: 16; /* = Lisp_Misc_Overlay */
1203 unsigned gcmarkbit
: 1;
1205 struct Lisp_Overlay
*next
;
1206 Lisp_Object start
, end
, plist
;
1209 /* Like Lisp_Objfwd except that value lives in a slot in the
1211 struct Lisp_Kboard_Objfwd
1213 int type
: 16; /* = Lisp_Misc_Kboard_Objfwd */
1214 unsigned gcmarkbit
: 1;
1219 /* Hold a C pointer for later use.
1220 This type of object is used in the arg to record_unwind_protect. */
1221 struct Lisp_Save_Value
1223 int type
: 16; /* = Lisp_Misc_Save_Value */
1224 unsigned gcmarkbit
: 1;
1226 /* If DOGC is set, POINTER is the address of a memory
1227 area containing INTEGER potential Lisp_Objects. */
1228 unsigned int dogc
: 1;
1234 /* A miscellaneous object, when it's on the free list. */
1237 int type
: 16; /* = Lisp_Misc_Free */
1238 unsigned gcmarkbit
: 1;
1240 union Lisp_Misc
*chain
;
1242 /* Try to make sure that sizeof(Lisp_Misc) preserves TYPEBITS-alignment.
1243 This assumes that Lisp_Marker is the largest of the alternatives and
1244 that Lisp_Intfwd has the same size as "Lisp_Free w/o padding". */
1245 char padding
[((((sizeof (struct Lisp_Marker
) - 1) >> GCTYPEBITS
) + 1)
1246 << GCTYPEBITS
) - sizeof (struct Lisp_Intfwd
)];
1250 /* To get the type field of a union Lisp_Misc, use XMISCTYPE.
1251 It uses one of these struct subtypes to get the type field. */
1255 struct Lisp_Free u_free
;
1256 struct Lisp_Marker u_marker
;
1257 struct Lisp_Intfwd u_intfwd
;
1258 struct Lisp_Boolfwd u_boolfwd
;
1259 struct Lisp_Objfwd u_objfwd
;
1260 struct Lisp_Buffer_Objfwd u_buffer_objfwd
;
1261 struct Lisp_Buffer_Local_Value u_buffer_local_value
;
1262 struct Lisp_Overlay u_overlay
;
1263 struct Lisp_Kboard_Objfwd u_kboard_objfwd
;
1264 struct Lisp_Save_Value u_save_value
;
1267 /* Lisp floating point type */
1270 #ifdef HIDE_LISP_IMPLEMENTATION
1277 #ifdef HIDE_LISP_IMPLEMENTATION
1278 #define XFLOAT_DATA(f) (XFLOAT (f)->data_)
1280 #define XFLOAT_DATA(f) (XFLOAT (f)->data)
1283 /* A character, declared with the following typedef, is a member
1284 of some character set associated with the current buffer. */
1285 #ifndef _UCHAR_T /* Protect against something in ctab.h on AIX. */
1287 typedef unsigned char UCHAR
;
1290 /* Meanings of slots in a Lisp_Compiled: */
1292 #define COMPILED_ARGLIST 0
1293 #define COMPILED_BYTECODE 1
1294 #define COMPILED_CONSTANTS 2
1295 #define COMPILED_STACK_DEPTH 3
1296 #define COMPILED_DOC_STRING 4
1297 #define COMPILED_INTERACTIVE 5
1299 /* Flag bits in a character. These also get used in termhooks.h.
1300 Richard Stallman <rms@gnu.ai.mit.edu> thinks that MULE
1301 (MUlti-Lingual Emacs) might need 22 bits for the character value
1302 itself, so we probably shouldn't use any bits lower than 0x0400000. */
1303 #define CHAR_ALT (0x0400000)
1304 #define CHAR_SUPER (0x0800000)
1305 #define CHAR_HYPER (0x1000000)
1306 #define CHAR_SHIFT (0x2000000)
1307 #define CHAR_CTL (0x4000000)
1308 #define CHAR_META (0x8000000)
1310 #define CHAR_MODIFIER_MASK \
1311 (CHAR_ALT | CHAR_SUPER | CHAR_HYPER | CHAR_SHIFT | CHAR_CTL | CHAR_META)
1314 /* Actually, the current Emacs uses 19 bits for the character value
1316 #define CHARACTERBITS 19
1318 /* The maximum byte size consumed by push_key_description.
1319 All callers should assure that at least this size of memory is
1320 allocated at the place pointed by the second argument.
1322 Thers are 6 modifiers, each consumes 2 chars.
1323 The octal form of a character code consumes
1324 (1 + CHARACTERBITS / 3 + 1) chars (including backslash at the head).
1325 We need one more byte for string terminator `\0'. */
1326 #define KEY_DESCRIPTION_SIZE ((2 * 6) + 1 + (CHARACTERBITS / 3) + 1 + 1)
1328 #ifdef USE_X_TOOLKIT
1329 #ifdef NO_UNION_TYPE
1330 /* Use this for turning a (void *) into a Lisp_Object, as when the
1331 Lisp_Object is passed into a toolkit callback function. */
1332 #define VOID_TO_LISP(larg,varg) \
1333 do { ((larg) = ((Lisp_Object) (varg))); } while (0)
1334 #define CVOID_TO_LISP VOID_TO_LISP
1336 /* Use this for turning a Lisp_Object into a (void *), as when the
1337 Lisp_Object is passed into a toolkit callback function. */
1338 #define LISP_TO_VOID(larg) ((void *) (larg))
1339 #define LISP_TO_CVOID(varg) ((const void *) (larg))
1341 #else /* not NO_UNION_TYPE */
1342 /* Use this for turning a (void *) into a Lisp_Object, as when the
1343 Lisp_Object is passed into a toolkit callback function. */
1344 #define VOID_TO_LISP(larg,varg) \
1345 do { ((larg).v = (void *) (varg)); } while (0)
1346 #define CVOID_TO_LISP(larg,varg) \
1347 do { ((larg).cv = (const void *) (varg)); } while (0)
1349 /* Use this for turning a Lisp_Object into a (void *), as when the
1350 Lisp_Object is passed into a toolkit callback function. */
1351 #define LISP_TO_VOID(larg) ((larg).v)
1352 #define LISP_TO_CVOID(larg) ((larg).cv)
1353 #endif /* not NO_UNION_TYPE */
1354 #endif /* USE_X_TOOLKIT */
1357 /* The glyph datatype, used to represent characters on the display. */
1359 /* Glyph code to use as an index to the glyph table. If it is out of
1360 range for the glyph table, or the corresonding element in the table
1361 is nil, the low 8 bits are the single byte character code, and the
1362 bits above are the numeric face ID. If FID is the face ID of a
1363 glyph on a frame F, then F->display.x->faces[FID] contains the
1364 description of that face. This is an int instead of a short, so we
1365 can support a good bunch of face ID's (2^(31 - 8)); given that we
1366 have no mechanism for tossing unused frame face ID's yet, we'll
1367 probably run out of 255 pretty quickly.
1368 This is always -1 for a multibyte character. */
1371 /* Mask bits for face. */
1372 #define GLYPH_MASK_FACE 0x7FF80000
1373 /* Mask bits for character code. */
1374 #define GLYPH_MASK_CHAR 0x0007FFFF /* The lowest 19 bits */
1376 /* The FAST macros assume that we already know we're in an X window. */
1378 /* Set a character code and a face ID in a glyph G. */
1379 #define FAST_MAKE_GLYPH(char, face) ((char) | ((face) << CHARACTERBITS))
1381 /* Return a glyph's character code. */
1382 #define FAST_GLYPH_CHAR(glyph) ((glyph) & GLYPH_MASK_CHAR)
1384 /* Return a glyph's face ID. */
1385 #define FAST_GLYPH_FACE(glyph) (((glyph) & GLYPH_MASK_FACE) >> CHARACTERBITS)
1387 /* Slower versions that test the frame type first. */
1388 #define MAKE_GLYPH(f, char, face) (FAST_MAKE_GLYPH (char, face))
1389 #define GLYPH_CHAR(f, g) (FAST_GLYPH_CHAR (g))
1390 #define GLYPH_FACE(f, g) (FAST_GLYPH_FACE (g))
1392 /* Return 1 iff GLYPH contains valid character code. */
1393 #define GLYPH_CHAR_VALID_P(glyph) CHAR_VALID_P (FAST_GLYPH_CHAR (glyph), 1)
1395 /* The ID of the mode line highlighting face. */
1396 #define GLYPH_MODE_LINE_FACE 1
1398 /* Data type checking */
1400 #define NILP(x) EQ (x, Qnil)
1401 #define GC_NILP(x) GC_EQ (x, Qnil)
1403 #define NUMBERP(x) (INTEGERP (x) || FLOATP (x))
1404 #define GC_NUMBERP(x) (GC_INTEGERP (x) || GC_FLOATP (x))
1405 #define NATNUMP(x) (INTEGERP (x) && XINT (x) >= 0)
1406 #define GC_NATNUMP(x) (GC_INTEGERP (x) && XINT (x) >= 0)
1408 #define INTEGERP(x) (XTYPE ((x)) == Lisp_Int)
1409 #define GC_INTEGERP(x) INTEGERP (x)
1410 #define SYMBOLP(x) (XTYPE ((x)) == Lisp_Symbol)
1411 #define GC_SYMBOLP(x) (XGCTYPE ((x)) == Lisp_Symbol)
1412 #define MISCP(x) (XTYPE ((x)) == Lisp_Misc)
1413 #define GC_MISCP(x) (XGCTYPE ((x)) == Lisp_Misc)
1414 #define VECTORLIKEP(x) (XTYPE ((x)) == Lisp_Vectorlike)
1415 #define GC_VECTORLIKEP(x) (XGCTYPE ((x)) == Lisp_Vectorlike)
1416 #define STRINGP(x) (XTYPE ((x)) == Lisp_String)
1417 #define GC_STRINGP(x) (XGCTYPE ((x)) == Lisp_String)
1418 #define CONSP(x) (XTYPE ((x)) == Lisp_Cons)
1419 #define GC_CONSP(x) (XGCTYPE ((x)) == Lisp_Cons)
1421 #define FLOATP(x) (XTYPE ((x)) == Lisp_Float)
1422 #define GC_FLOATP(x) (XGCTYPE ((x)) == Lisp_Float)
1423 #define VECTORP(x) (VECTORLIKEP (x) && !(XVECTOR (x)->size & PSEUDOVECTOR_FLAG))
1424 #define GC_VECTORP(x) (GC_VECTORLIKEP (x) && !(XVECTOR (x)->size & PSEUDOVECTOR_FLAG))
1425 #define OVERLAYP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Overlay)
1426 #define GC_OVERLAYP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Overlay)
1427 #define MARKERP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Marker)
1428 #define GC_MARKERP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Marker)
1429 #define INTFWDP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Intfwd)
1430 #define GC_INTFWDP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Intfwd)
1431 #define BOOLFWDP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Boolfwd)
1432 #define GC_BOOLFWDP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Boolfwd)
1433 #define OBJFWDP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Objfwd)
1434 #define GC_OBJFWDP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Objfwd)
1435 #define BUFFER_OBJFWDP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Buffer_Objfwd)
1436 #define GC_BUFFER_OBJFWDP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Buffer_Objfwd)
1437 #define BUFFER_LOCAL_VALUEP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Buffer_Local_Value)
1438 #define GC_BUFFER_LOCAL_VALUEP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Buffer_Local_Value)
1439 #define SOME_BUFFER_LOCAL_VALUEP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Some_Buffer_Local_Value)
1440 #define GC_SOME_BUFFER_LOCAL_VALUEP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Some_Buffer_Local_Value)
1441 #define KBOARD_OBJFWDP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Kboard_Objfwd)
1442 #define GC_KBOARD_OBJFWDP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Kboard_Objfwd)
1445 /* True if object X is a pseudovector whose code is CODE. */
1446 #define PSEUDOVECTORP(x, code) \
1448 && (((XVECTOR (x)->size & (PSEUDOVECTOR_FLAG | (code)))) \
1449 == (PSEUDOVECTOR_FLAG | (code))))
1451 /* True if object X is a pseudovector whose code is CODE.
1452 This one works during GC. */
1453 #define GC_PSEUDOVECTORP(x, code) \
1454 (GC_VECTORLIKEP (x) \
1455 && (((XVECTOR (x)->size & (PSEUDOVECTOR_FLAG | (code)))) \
1456 == (PSEUDOVECTOR_FLAG | (code))))
1458 /* Test for specific pseudovector types. */
1459 #define WINDOW_CONFIGURATIONP(x) PSEUDOVECTORP (x, PVEC_WINDOW_CONFIGURATION)
1460 #define GC_WINDOW_CONFIGURATIONP(x) GC_PSEUDOVECTORP (x, PVEC_WINDOW_CONFIGURATION)
1461 #define PROCESSP(x) PSEUDOVECTORP (x, PVEC_PROCESS)
1462 #define GC_PROCESSP(x) GC_PSEUDOVECTORP (x, PVEC_PROCESS)
1463 #define WINDOWP(x) PSEUDOVECTORP (x, PVEC_WINDOW)
1464 #define GC_WINDOWP(x) GC_PSEUDOVECTORP (x, PVEC_WINDOW)
1465 #define SUBRP(x) PSEUDOVECTORP (x, PVEC_SUBR)
1466 #define GC_SUBRP(x) GC_PSEUDOVECTORP (x, PVEC_SUBR)
1467 #define COMPILEDP(x) PSEUDOVECTORP (x, PVEC_COMPILED)
1468 #define GC_COMPILEDP(x) GC_PSEUDOVECTORP (x, PVEC_COMPILED)
1469 #define BUFFERP(x) PSEUDOVECTORP (x, PVEC_BUFFER)
1470 #define GC_BUFFERP(x) GC_PSEUDOVECTORP (x, PVEC_BUFFER)
1471 #define CHAR_TABLE_P(x) PSEUDOVECTORP (x, PVEC_CHAR_TABLE)
1472 #define GC_CHAR_TABLE_P(x) GC_PSEUDOVECTORP (x, PVEC_CHAR_TABLE)
1473 #define BOOL_VECTOR_P(x) PSEUDOVECTORP (x, PVEC_BOOL_VECTOR)
1474 #define GC_BOOL_VECTOR_P(x) GC_PSEUDOVECTORP (x, PVEC_BOOL_VECTOR)
1475 #define FRAMEP(x) PSEUDOVECTORP (x, PVEC_FRAME)
1476 #define GC_FRAMEP(x) GC_PSEUDOVECTORP (x, PVEC_FRAME)
1478 #define SUB_CHAR_TABLE_P(x) (CHAR_TABLE_P (x) && NILP (XCHAR_TABLE (x)->top))
1480 /* Test for image (image . spec) */
1481 #define IMAGEP(x) (CONSP (x) && EQ (XCAR (x), Qimage))
1484 #define GC_EQ(x, y) EQ (x, y)
1486 #define CHECK_LIST(x) \
1487 do { if (!CONSP ((x)) && !NILP (x)) x = wrong_type_argument (Qlistp, (x)); } while (0)
1489 #define CHECK_STRING(x) \
1490 do { if (!STRINGP ((x))) x = wrong_type_argument (Qstringp, (x)); } while (0)
1492 #define CHECK_STRING_CAR(x) \
1493 do { if (!STRINGP (XCAR (x))) XSETCAR (x, wrong_type_argument (Qstringp, XCAR (x))); } while (0)
1495 #define CHECK_CONS(x) \
1496 do { if (!CONSP ((x))) x = wrong_type_argument (Qconsp, (x)); } while (0)
1498 #define CHECK_SYMBOL(x) \
1499 do { if (!SYMBOLP ((x))) x = wrong_type_argument (Qsymbolp, (x)); } while (0)
1501 #define CHECK_CHAR_TABLE(x) \
1502 do { if (!CHAR_TABLE_P ((x))) \
1503 x = wrong_type_argument (Qchar_table_p, (x)); } while (0)
1505 #define CHECK_VECTOR(x) \
1506 do { if (!VECTORP ((x))) x = wrong_type_argument (Qvectorp, (x)); } while (0)
1508 #define CHECK_VECTOR_OR_CHAR_TABLE(x) \
1509 do { if (!VECTORP ((x)) && !CHAR_TABLE_P ((x))) \
1510 x = wrong_type_argument (Qvector_or_char_table_p, (x)); \
1513 #define CHECK_BUFFER(x) \
1514 do { if (!BUFFERP ((x))) x = wrong_type_argument (Qbufferp, (x)); } while (0)
1516 #define CHECK_WINDOW(x) \
1517 do { if (!WINDOWP ((x))) x = wrong_type_argument (Qwindowp, (x)); } while (0)
1519 /* This macro rejects windows on the interior of the window tree as
1520 "dead", which is what we want; this is an argument-checking macro, and
1521 the user should never get access to interior windows.
1523 A window of any sort, leaf or interior, is dead iff the buffer,
1524 vchild, and hchild members are all nil. */
1526 #define CHECK_LIVE_WINDOW(x) \
1528 if (!WINDOWP ((x)) \
1529 || NILP (XWINDOW ((x))->buffer)) \
1530 x = wrong_type_argument (Qwindow_live_p, (x)); \
1533 #define CHECK_PROCESS(x) \
1534 do { if (!PROCESSP ((x))) x = wrong_type_argument (Qprocessp, (x)); } while (0)
1536 #define CHECK_NUMBER(x) \
1537 do { if (!INTEGERP ((x))) x = wrong_type_argument (Qintegerp, (x)); } while (0)
1539 #define CHECK_NATNUM(x) \
1540 do { if (!NATNUMP (x)) x = wrong_type_argument (Qwholenump, (x)); } while (0)
1542 #define CHECK_MARKER(x) \
1543 do { if (!MARKERP ((x))) x = wrong_type_argument (Qmarkerp, (x)); } while (0)
1545 #define CHECK_NUMBER_COERCE_MARKER(x) \
1546 do { if (MARKERP ((x))) XSETFASTINT (x, marker_position (x)); \
1547 else if (!INTEGERP ((x))) x = wrong_type_argument (Qinteger_or_marker_p, (x)); } while (0)
1549 #define XFLOATINT(n) extract_float((n))
1551 #define CHECK_FLOAT(x) \
1552 do { if (!FLOATP (x)) \
1553 x = wrong_type_argument (Qfloatp, (x)); } while (0)
1555 #define CHECK_NUMBER_OR_FLOAT(x) \
1556 do { if (!FLOATP (x) && !INTEGERP (x)) \
1557 x = wrong_type_argument (Qnumberp, (x)); } while (0)
1559 #define CHECK_NUMBER_OR_FLOAT_COERCE_MARKER(x) \
1560 do { if (MARKERP (x)) XSETFASTINT (x, marker_position (x)); \
1561 else if (!INTEGERP (x) && !FLOATP (x)) \
1562 x = wrong_type_argument (Qnumber_or_marker_p, (x)); } while (0)
1564 #define CHECK_OVERLAY(x) \
1565 do { if (!OVERLAYP ((x))) x = wrong_type_argument (Qoverlayp, (x));} while (0)
1567 /* Since we can't assign directly to the CAR or CDR fields of a cons
1568 cell, use these when checking that those fields contain numbers. */
1569 #define CHECK_NUMBER_CAR(x) \
1571 Lisp_Object tmp = XCAR (x); \
1572 CHECK_NUMBER (tmp); \
1573 XSETCAR ((x), tmp); \
1576 #define CHECK_NUMBER_CDR(x) \
1578 Lisp_Object tmp = XCDR (x); \
1579 CHECK_NUMBER (tmp); \
1580 XSETCDR ((x), tmp); \
1583 /* Cast pointers to this type to compare them. Some machines want int. */
1584 #ifndef PNTR_COMPARISON_TYPE
1585 #define PNTR_COMPARISON_TYPE EMACS_UINT
1588 /* Define a built-in function for calling from Lisp.
1589 `lname' should be the name to give the function in Lisp,
1590 as a null-terminated C string.
1591 `fnname' should be the name of the function in C.
1592 By convention, it starts with F.
1593 `sname' should be the name for the C constant structure
1594 that records information on this function for internal use.
1595 By convention, it should be the same as `fnname' but with S instead of F.
1596 It's too bad that C macros can't compute this from `fnname'.
1597 `minargs' should be a number, the minimum number of arguments allowed.
1598 `maxargs' should be a number, the maximum number of arguments allowed,
1599 or else MANY or UNEVALLED.
1600 MANY means pass a vector of evaluated arguments,
1601 in the form of an integer number-of-arguments
1602 followed by the address of a vector of Lisp_Objects
1603 which contains the argument values.
1604 UNEVALLED means pass the list of unevaluated arguments
1605 `prompt' says how to read arguments for an interactive call.
1606 See the doc string for `interactive'.
1607 A null string means call interactively with no arguments.
1608 `doc' is documentation for the user. */
1610 #if (!defined (__STDC__) && !defined (PROTOTYPES)) \
1611 || defined (USE_NONANSI_DEFUN)
1613 #define DEFUN(lname, fnname, sname, minargs, maxargs, prompt, doc) \
1614 Lisp_Object fnname (); \
1615 DECL_ALIGN (struct Lisp_Subr, sname) = \
1616 { PVEC_SUBR | (sizeof (struct Lisp_Subr) / sizeof (EMACS_INT)), \
1617 fnname, minargs, maxargs, lname, prompt, 0}; \
1622 /* This version of DEFUN declares a function prototype with the right
1623 arguments, so we can catch errors with maxargs at compile-time. */
1624 #define DEFUN(lname, fnname, sname, minargs, maxargs, prompt, doc) \
1625 Lisp_Object fnname DEFUN_ARGS_ ## maxargs ; \
1626 DECL_ALIGN (struct Lisp_Subr, sname) = \
1627 { PVEC_SUBR | (sizeof (struct Lisp_Subr) / sizeof (EMACS_INT)), \
1628 fnname, minargs, maxargs, lname, prompt, 0}; \
1631 /* Note that the weird token-substitution semantics of ANSI C makes
1632 this work for MANY and UNEVALLED. */
1633 #define DEFUN_ARGS_MANY (int, Lisp_Object *)
1634 #define DEFUN_ARGS_UNEVALLED (Lisp_Object)
1635 #define DEFUN_ARGS_0 (void)
1636 #define DEFUN_ARGS_1 (Lisp_Object)
1637 #define DEFUN_ARGS_2 (Lisp_Object, Lisp_Object)
1638 #define DEFUN_ARGS_3 (Lisp_Object, Lisp_Object, Lisp_Object)
1639 #define DEFUN_ARGS_4 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object)
1640 #define DEFUN_ARGS_5 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, \
1642 #define DEFUN_ARGS_6 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, \
1643 Lisp_Object, Lisp_Object)
1644 #define DEFUN_ARGS_7 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, \
1645 Lisp_Object, Lisp_Object, Lisp_Object)
1646 #define DEFUN_ARGS_8 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, \
1647 Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object)
1650 /* Non-zero if OBJ is a Lisp function. */
1652 #define FUNCTIONP(OBJ) \
1653 ((CONSP (OBJ) && EQ (XCAR (OBJ), Qlambda)) \
1654 || (SYMBOLP (OBJ) && !NILP (Ffboundp (OBJ))) \
1655 || COMPILEDP (OBJ) \
1659 is how we define the symbol for function `name' at start-up time. */
1660 extern void defsubr
P_ ((struct Lisp_Subr
*));
1663 #define UNEVALLED -1
1665 extern void defvar_lisp
P_ ((char *, Lisp_Object
*));
1666 extern void defvar_lisp_nopro
P_ ((char *, Lisp_Object
*));
1667 extern void defvar_bool
P_ ((char *, int *));
1668 extern void defvar_int
P_ ((char *, EMACS_INT
*));
1669 extern void defvar_per_buffer
P_ ((char *, Lisp_Object
*, Lisp_Object
, char *));
1670 extern void defvar_kboard
P_ ((char *, int));
1672 /* Macros we use to define forwarded Lisp variables.
1673 These are used in the syms_of_FILENAME functions. */
1675 #define DEFVAR_LISP(lname, vname, doc) defvar_lisp (lname, vname)
1676 #define DEFVAR_LISP_NOPRO(lname, vname, doc) defvar_lisp_nopro (lname, vname)
1677 #define DEFVAR_BOOL(lname, vname, doc) defvar_bool (lname, vname)
1678 #define DEFVAR_INT(lname, vname, doc) defvar_int (lname, vname)
1680 /* TYPE is nil for a general Lisp variable.
1681 An integer specifies a type; then only LIsp values
1682 with that type code are allowed (except that nil is allowed too).
1683 LNAME is the LIsp-level variable name.
1684 VNAME is the name of the buffer slot.
1685 DOC is a dummy where you write the doc string as a comment. */
1686 #define DEFVAR_PER_BUFFER(lname, vname, type, doc) \
1687 defvar_per_buffer (lname, vname, type, 0)
1689 #define DEFVAR_KBOARD(lname, vname, doc) \
1690 defvar_kboard (lname, \
1691 (int)((char *)(¤t_kboard->vname) \
1692 - (char *)current_kboard))
1696 /* Structure for recording Lisp call stack for backtrace purposes. */
1698 /* The special binding stack holds the outer values of variables while
1699 they are bound by a function application or a let form, stores the
1700 code to be executed for Lisp unwind-protect forms, and stores the C
1701 functions to be called for record_unwind_protect.
1703 If func is non-zero, undoing this binding applies func to old_value;
1704 This implements record_unwind_protect.
1706 Otherwise, the element is a variable binding.
1708 If the symbol field is a symbol, it is an ordinary variable binding.
1710 Otherwise, it should be a structure (SYMBOL WHERE
1711 . CURRENT-BUFFER), which means having bound a local value while
1712 CURRENT-BUFFER was active. If WHERE is nil this means we saw the
1713 default value when binding SYMBOL. WHERE being a buffer or frame
1714 means we saw a buffer-local or frame-local value. Other values of
1715 WHERE mean an internal error. */
1717 typedef Lisp_Object (*specbinding_func
) P_ ((Lisp_Object
));
1721 volatile Lisp_Object symbol
, old_value
;
1722 volatile specbinding_func func
;
1723 Lisp_Object unused
; /* Dividing by 16 is faster than by 12 */
1726 extern struct specbinding
*specpdl
;
1727 extern volatile struct specbinding
*specpdl_ptr
;
1728 extern int specpdl_size
;
1730 extern EMACS_INT max_specpdl_size
;
1732 #define SPECPDL_INDEX() (specpdl_ptr - specpdl)
1734 /* Everything needed to describe an active condition case. */
1737 /* The handler clauses and variable from the condition-case form. */
1738 /* For a handler set up in Lisp code, this is always a list.
1739 For an internal handler set up by internal_condition_case*,
1740 this can instead be the symbol t or `error'.
1741 t: handle all conditions.
1742 error: handle all conditions, and errors can run the debugger
1743 or display a backtrace. */
1744 Lisp_Object handler
;
1746 /* Fsignal stores here the condition-case clause that applies,
1747 and Fcondition_case thus knows which clause to run. */
1748 Lisp_Object chosen_clause
;
1750 /* Used to effect the longjump out to the handler. */
1751 struct catchtag
*tag
;
1753 /* The next enclosing handler. */
1754 struct handler
*next
;
1757 extern struct handler
*handlerlist
;
1759 extern struct catchtag
*catchlist
;
1760 extern struct backtrace
*backtrace_list
;
1762 extern Lisp_Object memory_signal_data
;
1764 /* An address near the bottom of the stack.
1765 Tells GC how to save a copy of the stack. */
1766 extern char *stack_bottom
;
1768 /* Check quit-flag and quit if it is non-nil.
1769 Typing C-g does not directly cause a quit; it only sets Vquit_flag.
1770 So the program needs to do QUIT at times when it is safe to quit.
1771 Every loop that might run for a long time or might not exit
1772 ought to do QUIT at least once, at a safe place.
1773 Unless that is impossible, of course.
1774 But it is very desirable to avoid creating loops where QUIT is impossible.
1776 Exception: if you set immediate_quit to nonzero,
1777 then the handler that responds to the C-g does the quit itself.
1778 This is a good thing to do around a loop that has no side effects
1779 and (in particular) cannot call arbitrary Lisp code. */
1782 extern void handle_async_input
P_ ((void));
1783 extern int interrupt_input_pending
;
1787 if (!NILP (Vquit_flag) && NILP (Vinhibit_quit)) \
1789 Lisp_Object flag = Vquit_flag; \
1790 Vquit_flag = Qnil; \
1791 if (EQ (Vthrow_on_input, flag)) \
1792 Fthrow (Vthrow_on_input, Qnil); \
1793 Fsignal (Qquit, Qnil); \
1795 else if (interrupt_input_pending) \
1796 handle_async_input (); \
1799 #else /* not SYNC_INPUT */
1803 if (!NILP (Vquit_flag) && NILP (Vinhibit_quit)) \
1805 Lisp_Object flag = Vquit_flag; \
1806 Vquit_flag = Qnil; \
1807 if (EQ (Vthrow_on_input, flag)) \
1808 Fthrow (Vthrow_on_input, Qnil); \
1809 Fsignal (Qquit, Qnil); \
1813 #endif /* not SYNC_INPUT */
1816 /* Nonzero if ought to quit now. */
1818 #define QUITP (!NILP (Vquit_flag) && NILP (Vinhibit_quit))
1820 /* Variables used locally in the following case handling macros. */
1821 extern int case_temp1
;
1822 extern Lisp_Object case_temp2
;
1824 /* Current buffer's map from characters to lower-case characters. */
1826 #define DOWNCASE_TABLE current_buffer->downcase_table
1828 /* Current buffer's map from characters to upper-case characters. */
1830 #define UPCASE_TABLE current_buffer->upcase_table
1832 /* Downcase a character, or make no change if that cannot be done. */
1834 #define DOWNCASE(CH) \
1835 ((case_temp1 = (CH), \
1836 case_temp2 = CHAR_TABLE_REF (DOWNCASE_TABLE, case_temp1), \
1837 NATNUMP (case_temp2)) \
1838 ? XFASTINT (case_temp2) : case_temp1)
1840 /* 1 if CH is upper case. */
1842 #define UPPERCASEP(CH) (DOWNCASE (CH) != (CH))
1844 /* 1 if CH is neither upper nor lower case. */
1846 #define NOCASEP(CH) (UPCASE1 (CH) == (CH))
1848 /* 1 if CH is lower case. */
1850 #define LOWERCASEP(CH) (!UPPERCASEP (CH) && !NOCASEP(CH))
1852 /* Upcase a character, or make no change if that cannot be done. */
1854 #define UPCASE(CH) (!UPPERCASEP (CH) ? UPCASE1 (CH) : (CH))
1856 /* Upcase a character known to be not upper case. */
1858 #define UPCASE1(CH) \
1859 ((case_temp1 = (CH), \
1860 case_temp2 = CHAR_TABLE_REF (UPCASE_TABLE, case_temp1), \
1861 NATNUMP (case_temp2)) \
1862 ? XFASTINT (case_temp2) : case_temp1)
1864 extern Lisp_Object Vascii_downcase_table
, Vascii_upcase_table
;
1865 extern Lisp_Object Vascii_canon_table
, Vascii_eqv_table
;
1867 /* Number of bytes of structure consed since last GC. */
1869 extern int consing_since_gc
;
1871 /* Threshold for doing another gc. */
1873 extern EMACS_INT gc_cons_threshold
;
1875 /* Structure for recording stack slots that need marking. */
1877 /* This is a chain of structures, each of which points at a Lisp_Object variable
1878 whose value should be marked in garbage collection.
1879 Normally every link of the chain is an automatic variable of a function,
1880 and its `val' points to some argument or local variable of the function.
1881 On exit to the function, the chain is set back to the value it had on entry.
1882 This way, no link remains in the chain when the stack frame containing the
1885 Every function that can call Feval must protect in this fashion all
1886 Lisp_Object variables whose contents will be used again. */
1888 extern struct gcpro
*gcprolist
;
1894 /* Address of first protected variable. */
1895 volatile Lisp_Object
*var
;
1897 /* Number of consecutive protected variables. */
1905 /* Values of GC_MARK_STACK during compilation:
1907 0 Use GCPRO as before
1908 1 Do the real thing, make GCPROs and UNGCPRO no-ops.
1909 2 Mark the stack, and check that everything GCPRO'd is
1911 3 Mark using GCPRO's, mark stack last, and count how many
1912 dead objects are kept alive. */
1915 #define GC_USE_GCPROS_AS_BEFORE 0
1916 #define GC_MAKE_GCPROS_NOOPS 1
1917 #define GC_MARK_STACK_CHECK_GCPROS 2
1918 #define GC_USE_GCPROS_CHECK_ZOMBIES 3
1920 #ifndef GC_MARK_STACK
1921 #define GC_MARK_STACK GC_USE_GCPROS_AS_BEFORE
1924 #if GC_MARK_STACK == GC_MAKE_GCPROS_NOOPS
1926 /* Do something silly with gcproN vars just so gcc shuts up. */
1927 /* You get warnings from MIPSPro... */
1929 #define GCPRO1(varname) ((void) gcpro1)
1930 #define GCPRO2(varname1, varname2)(((void) gcpro2, (void) gcpro1))
1931 #define GCPRO3(varname1, varname2, varname3) \
1932 (((void) gcpro3, (void) gcpro2, (void) gcpro1))
1933 #define GCPRO4(varname1, varname2, varname3, varname4) \
1934 (((void) gcpro4, (void) gcpro3, (void) gcpro2, (void) gcpro1))
1935 #define GCPRO5(varname1, varname2, varname3, varname4, varname5) \
1936 (((void) gcpro5, (void) gcpro4, (void) gcpro3, (void) gcpro2, (void) gcpro1))
1937 #define GCPRO6(varname1, varname2, varname3, varname4, varname5, varname6) \
1938 (((void) gcpro6, (void) gcpro5, (void) gcpro4, (void) gcpro3, (void) gcpro2, (void) gcpro1))
1939 #define UNGCPRO ((void) 0)
1941 #else /* GC_MARK_STACK != GC_MAKE_GCPROS_NOOPS */
1945 #define GCPRO1(varname) \
1946 {gcpro1.next = gcprolist; gcpro1.var = &varname; gcpro1.nvars = 1; \
1947 gcprolist = &gcpro1; }
1949 #define GCPRO2(varname1, varname2) \
1950 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
1951 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
1952 gcprolist = &gcpro2; }
1954 #define GCPRO3(varname1, varname2, varname3) \
1955 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
1956 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
1957 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
1958 gcprolist = &gcpro3; }
1960 #define GCPRO4(varname1, varname2, varname3, varname4) \
1961 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
1962 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
1963 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
1964 gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \
1965 gcprolist = &gcpro4; }
1967 #define GCPRO5(varname1, varname2, varname3, varname4, varname5) \
1968 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
1969 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
1970 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
1971 gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \
1972 gcpro5.next = &gcpro4; gcpro5.var = &varname5; gcpro5.nvars = 1; \
1973 gcprolist = &gcpro5; }
1975 #define GCPRO6(varname1, varname2, varname3, varname4, varname5, varname6) \
1976 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
1977 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
1978 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
1979 gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \
1980 gcpro5.next = &gcpro4; gcpro5.var = &varname5; gcpro5.nvars = 1; \
1981 gcpro6.next = &gcpro5; gcpro6.var = &varname6; gcpro6.nvars = 1; \
1982 gcprolist = &gcpro6; }
1984 #define UNGCPRO (gcprolist = gcpro1.next)
1988 extern int gcpro_level
;
1990 #define GCPRO1(varname) \
1991 {gcpro1.next = gcprolist; gcpro1.var = &varname; gcpro1.nvars = 1; \
1992 gcpro1.level = gcpro_level++; \
1993 gcprolist = &gcpro1; }
1995 #define GCPRO2(varname1, varname2) \
1996 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
1997 gcpro1.level = gcpro_level; \
1998 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
1999 gcpro2.level = gcpro_level++; \
2000 gcprolist = &gcpro2; }
2002 #define GCPRO3(varname1, varname2, varname3) \
2003 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
2004 gcpro1.level = gcpro_level; \
2005 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
2006 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
2007 gcpro3.level = gcpro_level++; \
2008 gcprolist = &gcpro3; }
2010 #define GCPRO4(varname1, varname2, varname3, varname4) \
2011 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
2012 gcpro1.level = gcpro_level; \
2013 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
2014 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
2015 gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \
2016 gcpro4.level = gcpro_level++; \
2017 gcprolist = &gcpro4; }
2019 #define GCPRO5(varname1, varname2, varname3, varname4, varname5) \
2020 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
2021 gcpro1.level = gcpro_level; \
2022 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
2023 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
2024 gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \
2025 gcpro5.next = &gcpro4; gcpro5.var = &varname5; gcpro5.nvars = 1; \
2026 gcpro5.level = gcpro_level++; \
2027 gcprolist = &gcpro5; }
2029 #define GCPRO6(varname1, varname2, varname3, varname4, varname5, varname6) \
2030 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
2031 gcpro1.level = gcpro_level; \
2032 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
2033 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
2034 gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \
2035 gcpro5.next = &gcpro4; gcpro5.var = &varname5; gcpro5.nvars = 1; \
2036 gcpro6.next = &gcpro5; gcpro6.var = &varname6; gcpro6.nvars = 1; \
2037 gcpro6.level = gcpro_level++; \
2038 gcprolist = &gcpro6; }
2041 ((--gcpro_level != gcpro1.level) \
2043 : ((gcprolist = gcpro1.next), 0))
2045 #endif /* DEBUG_GCPRO */
2046 #endif /* GC_MARK_STACK != GC_MAKE_GCPROS_NOOPS */
2049 /* Evaluate expr, UNGCPRO, and then return the value of expr. */
2050 #define RETURN_UNGCPRO(expr) \
2053 Lisp_Object ret_ungc_val; \
2054 ret_ungc_val = (expr); \
2056 return ret_ungc_val; \
2060 /* Call staticpro (&var) to protect static variable `var'. */
2062 void staticpro
P_ ((Lisp_Object
*));
2064 /* Declare a Lisp-callable function. The MAXARGS parameter has the same
2065 meaning as in the DEFUN macro, and is used to construct a prototype. */
2066 #if (!defined (__STDC__) && !defined (PROTOTYPES)) \
2067 || defined (USE_NONANSI_DEFUN)
2068 #define EXFUN(fnname, maxargs) \
2069 extern Lisp_Object fnname ()
2071 /* We can use the same trick as in the DEFUN macro to generate the
2072 appropriate prototype. */
2073 #define EXFUN(fnname, maxargs) \
2074 extern Lisp_Object fnname DEFUN_ARGS_ ## maxargs
2077 /* Forward declarations for prototypes. */
2081 /* Defined in data.c */
2082 extern Lisp_Object Qnil
, Qt
, Qquote
, Qlambda
, Qsubr
, Qunbound
;
2083 extern Lisp_Object Qerror_conditions
, Qerror_message
, Qtop_level
;
2084 extern Lisp_Object Qerror
, Qquit
, Qwrong_type_argument
, Qargs_out_of_range
;
2085 extern Lisp_Object Qvoid_variable
, Qvoid_function
;
2086 extern Lisp_Object Qsetting_constant
, Qinvalid_read_syntax
;
2087 extern Lisp_Object Qinvalid_function
, Qwrong_number_of_arguments
, Qno_catch
;
2088 extern Lisp_Object Qend_of_file
, Qarith_error
, Qmark_inactive
;
2089 extern Lisp_Object Qbeginning_of_buffer
, Qend_of_buffer
, Qbuffer_read_only
;
2090 extern Lisp_Object Qtext_read_only
;
2092 extern Lisp_Object Qintegerp
, Qnatnump
, Qwholenump
, Qsymbolp
, Qlistp
, Qconsp
;
2093 extern Lisp_Object Qstringp
, Qarrayp
, Qsequencep
, Qbufferp
;
2094 extern Lisp_Object Qchar_or_string_p
, Qmarkerp
, Qinteger_or_marker_p
, Qvectorp
;
2095 extern Lisp_Object Qbuffer_or_string_p
;
2096 extern Lisp_Object Qboundp
, Qfboundp
;
2097 extern Lisp_Object Qchar_table_p
, Qvector_or_char_table_p
;
2099 extern Lisp_Object Qcdr
;
2101 extern Lisp_Object Qrange_error
, Qdomain_error
, Qsingularity_error
;
2102 extern Lisp_Object Qoverflow_error
, Qunderflow_error
;
2104 extern Lisp_Object Qfloatp
;
2105 extern Lisp_Object Qnumberp
, Qnumber_or_marker_p
;
2107 extern Lisp_Object Qinteger
;
2109 extern void circular_list_error
P_ ((Lisp_Object
));
2110 EXFUN (Finteractive_form
, 1);
2112 /* Defined in frame.c */
2113 extern Lisp_Object Qframep
;
2121 EXFUN (Fintegerp
, 1);
2122 EXFUN (Fnatnump
, 1);
2123 EXFUN (Fsymbolp
, 1);
2124 EXFUN (Fvectorp
, 1);
2125 EXFUN (Fstringp
, 1);
2126 EXFUN (Fmultibyte_string_p
, 1);
2128 EXFUN (Fsequencep
, 1);
2129 EXFUN (Fbufferp
, 1);
2130 EXFUN (Fmarkerp
, 1);
2132 EXFUN (Fchar_or_string_p
, 1);
2133 EXFUN (Finteger_or_marker_p
, 1);
2135 EXFUN (Finteger_or_floatp
, 1);
2136 EXFUN (Finteger_or_float_or_marker_p
, 1);
2139 EXFUN (Fcar_safe
, 1);
2141 EXFUN (Fcdr_safe
, 1);
2145 EXFUN (Ffboundp
, 1);
2146 EXFUN (Fmakunbound
, 1);
2147 EXFUN (Ffmakunbound
, 1);
2148 EXFUN (Fsymbol_function
, 1);
2149 EXFUN (Fsymbol_plist
, 1);
2150 EXFUN (Fsymbol_name
, 1);
2151 extern Lisp_Object indirect_function
P_ ((Lisp_Object
));
2152 EXFUN (Findirect_function
, 1);
2154 EXFUN (Fsetplist
, 2);
2155 EXFUN (Fsymbol_value
, 1);
2156 extern Lisp_Object find_symbol_value
P_ ((Lisp_Object
));
2158 EXFUN (Fdefault_value
, 1);
2159 EXFUN (Fset_default
, 2);
2160 EXFUN (Fdefault_boundp
, 1);
2161 EXFUN (Fmake_local_variable
, 1);
2162 EXFUN (Flocal_variable_p
, 2);
2163 EXFUN (Flocal_variable_if_set_p
, 2);
2168 EXFUN (Fstring_to_number
, 2);
2169 EXFUN (Fnumber_to_string
, 1);
2170 EXFUN (Feqlsign
, 2);
2177 EXFUN (Fplus
, MANY
);
2178 EXFUN (Fminus
, MANY
);
2179 EXFUN (Ftimes
, MANY
);
2184 EXFUN (Flogand
, MANY
);
2185 EXFUN (Flogior
, MANY
);
2186 EXFUN (Flogxor
, MANY
);
2193 EXFUN (Fmake_variable_buffer_local
, 1);
2195 extern Lisp_Object indirect_variable
P_ ((Lisp_Object
));
2196 extern Lisp_Object long_to_cons
P_ ((unsigned long));
2197 extern unsigned long cons_to_long
P_ ((Lisp_Object
));
2198 extern void args_out_of_range
P_ ((Lisp_Object
, Lisp_Object
));
2199 extern void args_out_of_range_3
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
));
2200 extern Lisp_Object wrong_type_argument
P_ ((Lisp_Object
, Lisp_Object
));
2201 extern void store_symval_forwarding
P_ ((Lisp_Object
, Lisp_Object
,
2202 Lisp_Object
, struct buffer
*));
2203 extern Lisp_Object do_symval_forwarding
P_ ((Lisp_Object
));
2204 extern Lisp_Object set_internal
P_ ((Lisp_Object
, Lisp_Object
, struct buffer
*, int));
2205 extern void syms_of_data
P_ ((void));
2206 extern void init_data
P_ ((void));
2207 extern void swap_in_global_binding
P_ ((Lisp_Object
));
2209 /* Defined in cmds.c */
2210 EXFUN (Fend_of_line
, 1);
2211 EXFUN (Fforward_char
, 1);
2212 EXFUN (Fforward_line
, 1);
2213 extern int internal_self_insert
P_ ((int, int));
2214 extern void syms_of_cmds
P_ ((void));
2215 extern void keys_of_cmds
P_ ((void));
2217 /* Defined in coding.c */
2218 EXFUN (Fcoding_system_p
, 1);
2219 EXFUN (Fcheck_coding_system
, 1);
2220 EXFUN (Fread_coding_system
, 2);
2221 EXFUN (Fread_non_nil_coding_system
, 1);
2222 EXFUN (Ffind_operation_coding_system
, MANY
);
2223 EXFUN (Fupdate_coding_systems_internal
, 0);
2224 EXFUN (Fencode_coding_string
, 3);
2225 EXFUN (Fdecode_coding_string
, 3);
2226 extern Lisp_Object detect_coding_system
P_ ((const unsigned char *, int, int,
2228 extern void init_coding
P_ ((void));
2229 extern void init_coding_once
P_ ((void));
2230 extern void syms_of_coding
P_ ((void));
2231 extern Lisp_Object code_convert_string_norecord
P_ ((Lisp_Object
, Lisp_Object
,
2234 /* Defined in charset.c */
2235 extern EMACS_INT nonascii_insert_offset
;
2236 extern Lisp_Object Vnonascii_translation_table
;
2237 EXFUN (Fchar_bytes
, 1);
2238 EXFUN (Fchar_width
, 1);
2239 EXFUN (Fstring
, MANY
);
2240 extern int chars_in_text
P_ ((const unsigned char *, int));
2241 extern int multibyte_chars_in_text
P_ ((const unsigned char *, int));
2242 extern int unibyte_char_to_multibyte
P_ ((int));
2243 extern int multibyte_char_to_unibyte
P_ ((int, Lisp_Object
));
2244 extern Lisp_Object Qcharset
;
2245 extern void init_charset_once
P_ ((void));
2246 extern void syms_of_charset
P_ ((void));
2248 /* Defined in syntax.c */
2249 EXFUN (Fforward_word
, 1);
2250 EXFUN (Fskip_chars_forward
, 2);
2251 EXFUN (Fskip_chars_backward
, 2);
2252 EXFUN (Fsyntax_table_p
, 1);
2253 EXFUN (Fsyntax_table
, 0);
2254 EXFUN (Fset_syntax_table
, 1);
2255 extern void init_syntax_once
P_ ((void));
2256 extern void syms_of_syntax
P_ ((void));
2258 /* Defined in fns.c */
2259 extern int use_dialog_box
;
2260 extern int next_almost_prime
P_ ((int));
2261 extern Lisp_Object larger_vector
P_ ((Lisp_Object
, int, Lisp_Object
));
2262 extern void sweep_weak_hash_tables
P_ ((void));
2263 extern Lisp_Object Qstring_lessp
;
2264 EXFUN (Foptimize_char_table
, 1);
2265 extern Lisp_Object Vfeatures
;
2266 extern Lisp_Object QCtest
, QCweakness
, Qequal
;
2267 unsigned sxhash
P_ ((Lisp_Object
, int));
2268 Lisp_Object make_hash_table
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
,
2269 Lisp_Object
, Lisp_Object
, Lisp_Object
,
2271 Lisp_Object copy_hash_table
P_ ((struct Lisp_Hash_Table
*));
2272 int hash_lookup
P_ ((struct Lisp_Hash_Table
*, Lisp_Object
, unsigned *));
2273 int hash_put
P_ ((struct Lisp_Hash_Table
*, Lisp_Object
, Lisp_Object
,
2275 void hash_remove
P_ ((struct Lisp_Hash_Table
*, Lisp_Object
));
2276 void hash_clear
P_ ((struct Lisp_Hash_Table
*));
2277 void remove_hash_entry
P_ ((struct Lisp_Hash_Table
*, int));
2278 extern void init_fns
P_ ((void));
2280 EXFUN (Fmake_hash_table
, MANY
);
2281 EXFUN (Fcopy_hash_table
, 1);
2282 EXFUN (Fhash_table_count
, 1);
2283 EXFUN (Fhash_table_rehash_size
, 1);
2284 EXFUN (Fhash_table_rehash_threshold
, 1);
2285 EXFUN (Fhash_table_size
, 1);
2286 EXFUN (Fhash_table_test
, 1);
2287 EXFUN (Fhash_table_weak
, 1);
2288 EXFUN (Fhash_table_p
, 1);
2289 EXFUN (Fclrhash
, 1);
2290 EXFUN (Fgethash
, 3);
2291 EXFUN (Fputhash
, 3);
2292 EXFUN (Fremhash
, 2);
2293 EXFUN (Fmaphash
, 2);
2294 EXFUN (Fdefine_hash_table_test
, 3);
2296 EXFUN (Fidentity
, 1);
2299 EXFUN (Fsafe_length
, 1);
2300 EXFUN (Fappend
, MANY
);
2301 EXFUN (Fconcat
, MANY
);
2302 EXFUN (Fvconcat
, MANY
);
2303 EXFUN (Fcopy_sequence
, 1);
2304 EXFUN (Fstring_make_multibyte
, 1);
2305 EXFUN (Fstring_make_unibyte
, 1);
2306 EXFUN (Fstring_as_multibyte
, 1);
2307 EXFUN (Fstring_as_unibyte
, 1);
2308 EXFUN (Fstring_to_multibyte
, 1);
2309 EXFUN (Fsubstring
, 3);
2310 extern Lisp_Object substring_both
P_ ((Lisp_Object
, int, int, int, int));
2322 EXFUN (Freverse
, 1);
2323 EXFUN (Fnreverse
, 1);
2325 EXFUN (Fsafe_get
, 2);
2328 EXFUN (Ffillarray
, 2);
2329 EXFUN (Fnconc
, MANY
);
2331 EXFUN (Fmapconcat
, 3);
2332 EXFUN (Fy_or_n_p
, 1);
2333 extern Lisp_Object do_yes_or_no_p
P_ ((Lisp_Object
));
2334 EXFUN (Frequire
, 3);
2335 EXFUN (Fprovide
, 2);
2336 extern Lisp_Object concat2
P_ ((Lisp_Object
, Lisp_Object
));
2337 extern Lisp_Object concat3
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
));
2338 extern Lisp_Object nconc2
P_ ((Lisp_Object
, Lisp_Object
));
2339 extern Lisp_Object assq_no_quit
P_ ((Lisp_Object
, Lisp_Object
));
2340 extern void clear_string_char_byte_cache
P_ ((void));
2341 extern int string_char_to_byte
P_ ((Lisp_Object
, int));
2342 extern int string_byte_to_char
P_ ((Lisp_Object
, int));
2343 extern Lisp_Object string_make_multibyte
P_ ((Lisp_Object
));
2344 extern Lisp_Object string_to_multibyte
P_ ((Lisp_Object
));
2345 extern Lisp_Object string_make_unibyte
P_ ((Lisp_Object
));
2346 EXFUN (Fcopy_alist
, 1);
2347 EXFUN (Fplist_get
, 2);
2348 EXFUN (Fsafe_plist_get
, 2);
2349 EXFUN (Fplist_put
, 3);
2350 EXFUN (Fplist_member
, 2);
2351 EXFUN (Fset_char_table_parent
, 2);
2352 EXFUN (Fchar_table_extra_slot
, 2);
2353 EXFUN (Fset_char_table_extra_slot
, 3);
2355 EXFUN (Fstring_equal
, 2);
2356 EXFUN (Fcompare_strings
, 7);
2357 EXFUN (Fstring_lessp
, 2);
2358 extern int char_table_translate
P_ ((Lisp_Object
, int));
2359 extern void map_char_table
P_ ((void (*) (Lisp_Object
, Lisp_Object
, Lisp_Object
),
2360 Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, int,
2362 extern Lisp_Object char_table_ref_and_index
P_ ((Lisp_Object
, int, int *));
2363 extern void syms_of_fns
P_ ((void));
2365 /* Defined in floatfns.c */
2366 extern double extract_float
P_ ((Lisp_Object
));
2368 EXFUN (Ftruncate
, 2);
2369 extern void init_floatfns
P_ ((void));
2370 extern void syms_of_floatfns
P_ ((void));
2372 /* Defined in fringe.c */
2373 extern void syms_of_fringe
P_ ((void));
2374 extern void init_fringe
P_ ((void));
2375 extern void init_fringe_once
P_ ((void));
2377 /* Defined in image.c */
2378 EXFUN (Finit_image_library
, 2);
2379 extern void syms_of_image
P_ ((void));
2380 extern void init_image
P_ ((void));
2382 /* Defined in insdel.c */
2383 extern Lisp_Object Qinhibit_modification_hooks
;
2384 extern void move_gap
P_ ((int));
2385 extern void move_gap_both
P_ ((int, int));
2386 extern void make_gap
P_ ((int));
2387 extern int copy_text
P_ ((const unsigned char *, unsigned char *, int, int, int));
2388 extern int count_size_as_multibyte
P_ ((const unsigned char *, int));
2389 extern int count_combining_before
P_ ((const unsigned char *, int, int, int));
2390 extern int count_combining_after
P_ ((const unsigned char *, int, int, int));
2391 extern void insert
P_ ((const unsigned char *, int));
2392 extern void insert_and_inherit
P_ ((const unsigned char *, int));
2393 extern void insert_1
P_ ((const unsigned char *, int, int, int, int));
2394 extern void insert_1_both
P_ ((const unsigned char *, int, int, int, int, int));
2395 extern void insert_from_string
P_ ((Lisp_Object
, int, int, int, int, int));
2396 extern void insert_from_buffer
P_ ((struct buffer
*, int, int, int));
2397 extern void insert_char
P_ ((int));
2398 extern void insert_string
P_ ((const char *));
2399 extern void insert_before_markers
P_ ((const unsigned char *, int));
2400 extern void insert_before_markers_and_inherit
P_ ((const unsigned char *, int));
2401 extern void insert_from_string_before_markers
P_ ((Lisp_Object
, int, int, int, int, int));
2402 extern void del_range
P_ ((int, int));
2403 extern Lisp_Object del_range_1
P_ ((int, int, int, int));
2404 extern void del_range_byte
P_ ((int, int, int));
2405 extern void del_range_both
P_ ((int, int, int, int, int));
2406 extern Lisp_Object del_range_2
P_ ((int, int, int, int, int));
2407 extern void modify_region
P_ ((struct buffer
*, int, int));
2408 extern void prepare_to_modify_buffer
P_ ((int, int, int *));
2409 extern void signal_before_change
P_ ((int, int, int *));
2410 extern void signal_after_change
P_ ((int, int, int));
2411 extern void adjust_after_replace
P_ ((int, int, Lisp_Object
, int, int));
2412 extern void adjust_after_replace_noundo
P_ ((int, int, int, int, int, int));
2413 extern void adjust_after_insert
P_ ((int, int, int, int, int));
2414 extern void replace_range
P_ ((int, int, Lisp_Object
, int, int, int));
2415 extern void replace_range_2
P_ ((int, int, int, int, char *, int, int, int));
2416 extern void syms_of_insdel
P_ ((void));
2418 /* Defined in dispnew.c */
2419 extern Lisp_Object selected_frame
;
2420 extern EMACS_INT baud_rate
;
2422 EXFUN (Fredraw_frame
, 1);
2423 EXFUN (Fredraw_display
, 0);
2424 EXFUN (Fsleep_for
, 2);
2425 EXFUN (Fsit_for
, 3);
2426 extern Lisp_Object sit_for
P_ ((int, int, int, int, int));
2427 extern void init_display
P_ ((void));
2428 extern void syms_of_display
P_ ((void));
2429 extern void safe_bcopy
P_ ((const char *, char *, int));
2431 /* Defined in xdisp.c */
2432 extern Lisp_Object Qinhibit_point_motion_hooks
;
2433 extern Lisp_Object Qinhibit_redisplay
, Qdisplay
;
2434 extern Lisp_Object Qinhibit_eval_during_redisplay
;
2435 extern Lisp_Object Qmessage_truncate_lines
;
2436 extern Lisp_Object Qimage
;
2437 extern Lisp_Object Vmessage_log_max
;
2438 extern int message_enable_multibyte
;
2439 extern Lisp_Object echo_area_buffer
[2];
2440 extern void check_message_stack
P_ ((void));
2441 extern void setup_echo_area_for_printing
P_ ((int));
2442 extern int push_message
P_ ((void));
2443 extern Lisp_Object pop_message_unwind
P_ ((Lisp_Object
));
2444 extern Lisp_Object restore_message_unwind
P_ ((Lisp_Object
));
2445 extern void pop_message
P_ ((void));
2446 extern void restore_message
P_ ((void));
2447 extern Lisp_Object current_message
P_ ((void));
2448 extern void set_message
P_ ((const char *s
, Lisp_Object
, int, int));
2449 extern void clear_message
P_ ((int, int));
2450 extern void message
P_ ((/* char *, ... */));
2451 extern void message_nolog
P_ ((/* char *, ... */));
2452 extern void message1
P_ ((char *));
2453 extern void message1_nolog
P_ ((char *));
2454 extern void message2
P_ ((const char *, int, int));
2455 extern void message2_nolog
P_ ((const char *, int, int));
2456 extern void message3
P_ ((Lisp_Object
, int, int));
2457 extern void message3_nolog
P_ ((Lisp_Object
, int, int));
2458 extern void message_dolog
P_ ((const char *, int, int, int));
2459 extern void message_with_string
P_ ((char *, Lisp_Object
, int));
2460 extern void message_log_maybe_newline
P_ ((void));
2461 extern void update_echo_area
P_ ((void));
2462 extern void truncate_echo_area
P_ ((int));
2463 extern void redisplay
P_ ((void));
2464 extern int check_point_in_composition
2465 P_ ((struct buffer
*, int, struct buffer
*, int));
2466 extern void redisplay_preserve_echo_area
P_ ((int));
2467 extern void prepare_menu_bars
P_ ((void));
2469 void set_frame_cursor_types
P_ ((struct frame
*, Lisp_Object
));
2470 extern void syms_of_xdisp
P_ ((void));
2471 extern void init_xdisp
P_ ((void));
2472 extern Lisp_Object safe_eval
P_ ((Lisp_Object
));
2473 extern int pos_visible_p
P_ ((struct window
*, int, int *,
2474 int *, int *, int *, int));
2476 /* Defined in vm-limit.c. */
2477 extern void memory_warnings
P_ ((POINTER_TYPE
*, void (*warnfun
) ()));
2479 /* Defined in alloc.c */
2480 extern void check_pure_size
P_ ((void));
2481 extern void allocate_string_data
P_ ((struct Lisp_String
*, int, int));
2482 extern void reset_malloc_hooks
P_ ((void));
2483 extern void uninterrupt_malloc
P_ ((void));
2484 extern void malloc_warning
P_ ((char *));
2485 extern void memory_full
P_ ((void));
2486 extern void buffer_memory_full
P_ ((void));
2487 extern int survives_gc_p
P_ ((Lisp_Object
));
2488 extern void mark_object
P_ ((Lisp_Object
));
2489 extern Lisp_Object Vpurify_flag
;
2490 extern Lisp_Object Vmemory_full
;
2496 EXFUN (Flist
, MANY
);
2497 EXFUN (Fmake_list
, 2);
2498 extern Lisp_Object allocate_misc
P_ ((void));
2499 EXFUN (Fmake_vector
, 2);
2500 EXFUN (Fvector
, MANY
);
2501 EXFUN (Fmake_symbol
, 1);
2502 EXFUN (Fmake_marker
, 0);
2503 EXFUN (Fmake_string
, 2);
2504 extern Lisp_Object build_string
P_ ((const char *));
2505 extern Lisp_Object make_string
P_ ((const char *, int));
2506 extern Lisp_Object make_unibyte_string
P_ ((const char *, int));
2507 extern Lisp_Object make_multibyte_string
P_ ((const char *, int, int));
2508 extern Lisp_Object make_event_array
P_ ((int, Lisp_Object
*));
2509 extern Lisp_Object make_uninit_string
P_ ((int));
2510 extern Lisp_Object make_uninit_multibyte_string
P_ ((int, int));
2511 extern Lisp_Object make_string_from_bytes
P_ ((const char *, int, int));
2512 extern Lisp_Object make_specified_string
P_ ((const char *, int, int, int));
2513 EXFUN (Fpurecopy
, 1);
2514 extern Lisp_Object make_pure_string
P_ ((char *, int, int, int));
2515 extern Lisp_Object pure_cons
P_ ((Lisp_Object
, Lisp_Object
));
2516 extern Lisp_Object make_pure_vector
P_ ((EMACS_INT
));
2517 EXFUN (Fgarbage_collect
, 0);
2518 EXFUN (Fmake_byte_code
, MANY
);
2519 EXFUN (Fmake_bool_vector
, 2);
2520 EXFUN (Fmake_char_table
, 2);
2521 extern Lisp_Object make_sub_char_table
P_ ((Lisp_Object
));
2522 extern Lisp_Object Qchar_table_extra_slots
;
2523 extern struct Lisp_Vector
*allocate_vector
P_ ((EMACS_INT
));
2524 extern struct Lisp_Vector
*allocate_other_vector
P_ ((EMACS_INT
));
2525 extern struct Lisp_Hash_Table
*allocate_hash_table
P_ ((void));
2526 extern struct window
*allocate_window
P_ ((void));
2527 extern struct frame
*allocate_frame
P_ ((void));
2528 extern struct Lisp_Process
*allocate_process
P_ ((void));
2529 extern int gc_in_progress
;
2530 extern int abort_on_gc
;
2531 extern Lisp_Object make_float
P_ ((double));
2532 extern void display_malloc_warning
P_ ((void));
2533 extern int inhibit_garbage_collection
P_ ((void));
2534 extern Lisp_Object make_save_value
P_ ((void *, int));
2535 extern void free_misc
P_ ((Lisp_Object
));
2536 extern void free_marker
P_ ((Lisp_Object
));
2537 extern void free_cons
P_ ((struct Lisp_Cons
*));
2538 extern void init_alloc_once
P_ ((void));
2539 extern void init_alloc
P_ ((void));
2540 extern void syms_of_alloc
P_ ((void));
2541 extern struct buffer
* allocate_buffer
P_ ((void));
2543 /* Defined in print.c */
2544 extern Lisp_Object Vprin1_to_string_buffer
;
2545 extern void debug_print
P_ ((Lisp_Object
));
2547 EXFUN (Fprin1_to_string
, 2);
2551 EXFUN (Ferror_message_string
, 1);
2552 extern Lisp_Object Vstandard_output
, Qstandard_output
;
2553 extern Lisp_Object Qexternal_debugging_output
;
2554 extern void temp_output_buffer_setup
P_ ((const char *));
2555 extern int print_level
, print_escape_newlines
;
2556 extern Lisp_Object Qprint_escape_newlines
;
2557 extern void write_string
P_ ((char *, int));
2558 extern void write_string_1
P_ ((char *, int, Lisp_Object
));
2559 extern void print_error_message
P_ ((Lisp_Object
, Lisp_Object
, char *, Lisp_Object
));
2560 extern Lisp_Object internal_with_output_to_temp_buffer
2561 P_ ((const char *, Lisp_Object (*) (Lisp_Object
), Lisp_Object
));
2562 extern void float_to_string
P_ ((unsigned char *, double));
2563 extern void syms_of_print
P_ ((void));
2565 /* Defined in doprnt.c */
2566 extern int doprnt
P_ ((char *, int, char *, char *, int, char **));
2567 extern int doprnt_lisp
P_ ((char *, int, char *, char *, int, char **));
2569 /* Defined in lread.c */
2570 extern Lisp_Object Qvariable_documentation
, Qstandard_input
;
2571 extern Lisp_Object Vobarray
, initial_obarray
, Vstandard_input
;
2573 EXFUN (Fread_from_string
, 3);
2575 EXFUN (Fintern_soft
, 2);
2577 EXFUN (Fget_file_char
, 0);
2578 EXFUN (Fread_char
, 2);
2579 EXFUN (Fread_event
, 2);
2580 extern Lisp_Object read_filtered_event
P_ ((int, int, int, int));
2581 EXFUN (Feval_region
, 4);
2582 extern Lisp_Object intern
P_ ((const char *));
2583 extern Lisp_Object make_symbol
P_ ((char *));
2584 extern Lisp_Object oblookup
P_ ((Lisp_Object
, const char *, int, int));
2585 #define LOADHIST_ATTACH(x) \
2586 if (initialized) Vcurrent_load_list = Fcons (x, Vcurrent_load_list)
2587 extern Lisp_Object Vcurrent_load_list
;
2588 extern Lisp_Object Vload_history
, Vload_suffixes
;
2589 extern int openp
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
,
2590 Lisp_Object
*, Lisp_Object
));
2591 extern int isfloat_string
P_ ((char *));
2592 extern void map_obarray
P_ ((Lisp_Object
, void (*) (Lisp_Object
, Lisp_Object
),
2594 extern void dir_warning
P_ ((char *, Lisp_Object
));
2595 extern void close_load_descs
P_ ((void));
2596 extern void init_obarray
P_ ((void));
2597 extern void init_lread
P_ ((void));
2598 extern void syms_of_lread
P_ ((void));
2600 /* Defined in eval.c */
2601 extern Lisp_Object Qautoload
, Qexit
, Qinteractive
, Qcommandp
, Qdefun
, Qmacro
;
2602 extern Lisp_Object Vinhibit_quit
, Qinhibit_quit
, Vquit_flag
;
2603 extern Lisp_Object Vautoload_queue
;
2604 extern Lisp_Object Vdebug_on_error
;
2605 extern Lisp_Object Vsignaling_function
;
2606 extern int handling_signal
;
2607 extern int interactive_p
P_ ((int));
2609 /* To run a normal hook, use the appropriate function from the list below.
2610 The calling convention:
2612 if (!NILP (Vrun_hooks))
2613 call1 (Vrun_hooks, Qmy_funny_hook);
2615 should no longer be used. */
2616 extern Lisp_Object Vrun_hooks
;
2617 EXFUN (Frun_hooks
, MANY
);
2618 EXFUN (Frun_hook_with_args
, MANY
);
2619 EXFUN (Frun_hook_with_args_until_success
, MANY
);
2620 EXFUN (Frun_hook_with_args_until_failure
, MANY
);
2621 extern Lisp_Object run_hook_list_with_args
P_ ((Lisp_Object
, int, Lisp_Object
*));
2622 extern void run_hook_with_args_2
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
));
2623 EXFUN (Fand
, UNEVALLED
);
2624 EXFUN (For
, UNEVALLED
);
2625 EXFUN (Fif
, UNEVALLED
);
2626 EXFUN (Fprogn
, UNEVALLED
);
2627 EXFUN (Fprog1
, UNEVALLED
);
2628 EXFUN (Fprog2
, UNEVALLED
);
2629 EXFUN (Fsetq
, UNEVALLED
);
2630 EXFUN (Fquote
, UNEVALLED
);
2631 EXFUN (Fuser_variable_p
, 1);
2632 EXFUN (Finteractive_p
, 0);
2633 EXFUN (Fdefun
, UNEVALLED
);
2634 EXFUN (Flet
, UNEVALLED
);
2635 EXFUN (FletX
, UNEVALLED
);
2636 EXFUN (Fwhile
, UNEVALLED
);
2637 EXFUN (Fcatch
, UNEVALLED
);
2638 EXFUN (Fthrow
, 2) NO_RETURN
;
2639 EXFUN (Funwind_protect
, UNEVALLED
);
2640 EXFUN (Fcondition_case
, UNEVALLED
);
2642 EXFUN (Fautoload
, 5);
2643 EXFUN (Fcommandp
, 2);
2645 EXFUN (Fapply
, MANY
);
2646 EXFUN (Ffuncall
, MANY
);
2647 EXFUN (Fbacktrace
, 0);
2648 extern Lisp_Object apply1
P_ ((Lisp_Object
, Lisp_Object
));
2649 extern Lisp_Object call0
P_ ((Lisp_Object
));
2650 extern Lisp_Object call1
P_ ((Lisp_Object
, Lisp_Object
));
2651 extern Lisp_Object call2
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
));
2652 extern Lisp_Object call3
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
));
2653 extern Lisp_Object call4
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
));
2654 extern Lisp_Object call5
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
));
2655 extern Lisp_Object call6
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
));
2656 EXFUN (Fdo_auto_save
, 2);
2657 extern Lisp_Object apply_lambda
P_ ((Lisp_Object
, Lisp_Object
, int));
2658 extern Lisp_Object internal_catch
P_ ((Lisp_Object
, Lisp_Object (*) (Lisp_Object
), Lisp_Object
));
2659 extern Lisp_Object internal_condition_case
P_ ((Lisp_Object (*) (void), Lisp_Object
, Lisp_Object (*) (Lisp_Object
)));
2660 extern Lisp_Object internal_condition_case_1
P_ ((Lisp_Object (*) (Lisp_Object
), Lisp_Object
, Lisp_Object
, Lisp_Object (*) (Lisp_Object
)));
2661 extern Lisp_Object internal_condition_case_2
P_ ((Lisp_Object (*) (int, Lisp_Object
*), int, Lisp_Object
*, Lisp_Object
, Lisp_Object (*) (Lisp_Object
)));
2662 extern void specbind
P_ ((Lisp_Object
, Lisp_Object
));
2663 extern void record_unwind_protect
P_ ((Lisp_Object (*) (Lisp_Object
), Lisp_Object
));
2664 extern Lisp_Object unbind_to
P_ ((int, Lisp_Object
));
2665 extern void error
P_ ((/* char *, ... */)) NO_RETURN
;
2666 extern void do_autoload
P_ ((Lisp_Object
, Lisp_Object
));
2667 extern Lisp_Object un_autoload
P_ ((Lisp_Object
));
2668 EXFUN (Ffetch_bytecode
, 1);
2669 extern void init_eval_once
P_ ((void));
2670 extern Lisp_Object safe_call
P_ ((int, Lisp_Object
*));
2671 extern Lisp_Object safe_call1
P_ ((Lisp_Object
, Lisp_Object
));
2672 extern void init_eval
P_ ((void));
2673 extern void syms_of_eval
P_ ((void));
2675 /* Defined in editfns.c */
2676 EXFUN (Fpropertize
, MANY
);
2677 EXFUN (Fcurrent_message
, 0);
2678 EXFUN (Fgoto_char
, 1);
2679 EXFUN (Fpoint_min_marker
, 0);
2680 EXFUN (Fpoint_max_marker
, 0);
2681 EXFUN (Fpoint_min
, 0);
2682 EXFUN (Fpoint_max
, 0);
2684 EXFUN (Fpoint_marker
, 0);
2685 EXFUN (Fmark_marker
, 0);
2686 EXFUN (Fline_beginning_position
, 1);
2687 EXFUN (Fline_end_position
, 1);
2688 EXFUN (Ffollowing_char
, 0);
2689 EXFUN (Fprevious_char
, 0);
2690 EXFUN (Fchar_after
, 1);
2691 EXFUN (Finsert
, MANY
);
2692 EXFUN (Finsert_and_inherit
, MANY
);
2693 EXFUN (Finsert_before_markers
, MANY
);
2694 EXFUN (Finsert_buffer_substring
, 3);
2695 EXFUN (Finsert_char
, 3);
2696 extern void insert1
P_ ((Lisp_Object
));
2701 EXFUN (Fformat
, MANY
);
2702 EXFUN (Fmessage
, MANY
);
2703 extern Lisp_Object format2
P_ ((char *, Lisp_Object
, Lisp_Object
));
2704 extern Lisp_Object make_buffer_string
P_ ((int, int, int));
2705 EXFUN (Fbuffer_substring
, 2);
2706 EXFUN (Fbuffer_string
, 0);
2707 extern Lisp_Object save_excursion_save
P_ ((void));
2708 extern Lisp_Object save_restriction_save
P_ ((void));
2709 extern Lisp_Object save_excursion_restore
P_ ((Lisp_Object
));
2710 extern Lisp_Object save_restriction_restore
P_ ((Lisp_Object
));
2711 EXFUN (Fchar_to_string
, 1);
2712 EXFUN (Fdelete_region
, 2);
2713 EXFUN (Fnarrow_to_region
, 2);
2715 EXFUN (Fuser_login_name
, 1);
2716 EXFUN (Fsystem_name
, 0);
2717 EXFUN (Fcurrent_time
, 0);
2718 extern int clip_to_bounds
P_ ((int, int, int));
2719 extern Lisp_Object make_buffer_string
P_ ((int, int, int));
2720 extern Lisp_Object make_buffer_string_both
P_ ((int, int, int, int, int));
2721 extern void init_editfns
P_ ((void));
2722 extern void syms_of_editfns
P_ ((void));
2723 EXFUN (Fcurrent_message
, 0);
2724 extern Lisp_Object Vinhibit_field_text_motion
;
2725 EXFUN (Fconstrain_to_field
, 5);
2726 EXFUN (Ffield_string
, 1);
2727 EXFUN (Fdelete_field
, 1);
2728 EXFUN (Ffield_beginning
, 3);
2729 EXFUN (Ffield_end
, 3);
2730 EXFUN (Ffield_string_no_properties
, 1);
2731 extern void set_time_zone_rule
P_ ((char *));
2733 /* defined in buffer.c */
2734 extern int mouse_face_overlay_overlaps
P_ ((Lisp_Object
));
2735 extern void nsberror
P_ ((Lisp_Object
));
2736 extern char *no_switch_window
P_ ((Lisp_Object window
));
2737 EXFUN (Fset_buffer_multibyte
, 1);
2738 EXFUN (Foverlay_start
, 1);
2739 EXFUN (Foverlay_end
, 1);
2740 extern void adjust_overlays_for_insert
P_ ((EMACS_INT
, EMACS_INT
));
2741 extern void adjust_overlays_for_delete
P_ ((EMACS_INT
, EMACS_INT
));
2742 extern void fix_start_end_in_overlays
P_ ((int, int));
2743 extern void report_overlay_modification
P_ ((Lisp_Object
, Lisp_Object
, int,
2744 Lisp_Object
, Lisp_Object
, Lisp_Object
));
2745 extern int overlay_touches_p
P_ ((int));
2746 extern Lisp_Object Vbuffer_alist
, Vinhibit_read_only
;
2747 EXFUN (Fget_buffer
, 1);
2748 EXFUN (Fget_buffer_create
, 1);
2749 EXFUN (Fset_buffer
, 1);
2750 EXFUN (set_buffer_if_live
, 1);
2751 EXFUN (Fbarf_if_buffer_read_only
, 0);
2752 EXFUN (Fcurrent_buffer
, 0);
2753 EXFUN (Fswitch_to_buffer
, 2);
2754 EXFUN (Fpop_to_buffer
, 3);
2755 EXFUN (Fother_buffer
, 3);
2756 EXFUN (Foverlay_get
, 2);
2757 EXFUN (Fbuffer_modified_p
, 1);
2758 EXFUN (Fset_buffer_modified_p
, 1);
2759 EXFUN (Fkill_buffer
, 1);
2760 EXFUN (Fkill_all_local_variables
, 0);
2761 EXFUN (Fbuffer_disable_undo
, 1);
2762 EXFUN (Fbuffer_enable_undo
, 1);
2763 EXFUN (Ferase_buffer
, 0);
2764 extern Lisp_Object Qoverlayp
;
2765 extern Lisp_Object get_truename_buffer
P_ ((Lisp_Object
));
2766 extern struct buffer
*all_buffers
;
2767 EXFUN (Fprevious_overlay_change
, 1);
2768 EXFUN (Fbuffer_file_name
, 1);
2769 extern void init_buffer_once
P_ ((void));
2770 extern void init_buffer
P_ ((void));
2771 extern void syms_of_buffer
P_ ((void));
2772 extern void keys_of_buffer
P_ ((void));
2774 /* defined in marker.c */
2776 EXFUN (Fmarker_position
, 1);
2777 EXFUN (Fmarker_buffer
, 1);
2778 EXFUN (Fcopy_marker
, 2);
2779 EXFUN (Fset_marker
, 3);
2780 extern int marker_position
P_ ((Lisp_Object
));
2781 extern int marker_byte_position
P_ ((Lisp_Object
));
2782 extern void clear_charpos_cache
P_ ((struct buffer
*));
2783 extern int charpos_to_bytepos
P_ ((int));
2784 extern int buf_charpos_to_bytepos
P_ ((struct buffer
*, int));
2785 extern int buf_bytepos_to_charpos
P_ ((struct buffer
*, int));
2786 extern void unchain_marker
P_ ((struct Lisp_Marker
*marker
));
2787 extern Lisp_Object set_marker_restricted
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
));
2788 extern Lisp_Object set_marker_both
P_ ((Lisp_Object
, Lisp_Object
, int, int));
2789 extern Lisp_Object set_marker_restricted_both
P_ ((Lisp_Object
, Lisp_Object
,
2791 extern void syms_of_marker
P_ ((void));
2793 /* Defined in fileio.c */
2795 extern Lisp_Object Qfile_error
;
2796 EXFUN (Ffind_file_name_handler
, 2);
2797 EXFUN (Ffile_name_as_directory
, 1);
2798 EXFUN (Fmake_temp_name
, 1);
2799 EXFUN (Fexpand_file_name
, 2);
2800 EXFUN (Ffile_name_nondirectory
, 1);
2801 EXFUN (Fsubstitute_in_file_name
, 1);
2802 EXFUN (Ffile_symlink_p
, 1);
2803 EXFUN (Fverify_visited_file_modtime
, 1);
2804 EXFUN (Ffile_exists_p
, 1);
2805 EXFUN (Ffile_name_absolute_p
, 1);
2806 EXFUN (Fdirectory_file_name
, 1);
2807 EXFUN (Ffile_name_directory
, 1);
2808 extern Lisp_Object expand_and_dir_to_file
P_ ((Lisp_Object
, Lisp_Object
));
2809 EXFUN (Ffile_accessible_directory_p
, 1);
2810 EXFUN (Funhandled_file_name_directory
, 1);
2811 EXFUN (Ffile_directory_p
, 1);
2812 EXFUN (Fwrite_region
, 7);
2813 EXFUN (Ffile_readable_p
, 1);
2814 EXFUN (Ffile_executable_p
, 1);
2815 EXFUN (Fread_file_name
, 6);
2816 extern Lisp_Object close_file_unwind
P_ ((Lisp_Object
));
2817 extern void report_file_error
P_ ((const char *, Lisp_Object
));
2818 extern int internal_delete_file
P_ ((Lisp_Object
));
2819 extern void syms_of_fileio
P_ ((void));
2820 EXFUN (Fmake_temp_name
, 1);
2821 extern void init_fileio_once
P_ ((void));
2822 extern Lisp_Object make_temp_name
P_ ((Lisp_Object
, int));
2823 EXFUN (Fmake_symbolic_link
, 3);
2825 /* Defined in abbrev.c */
2827 extern void syms_of_abbrev
P_ ((void));
2829 /* defined in search.c */
2830 extern void shrink_regexp_cache
P_ ((void));
2831 EXFUN (Fstring_match
, 3);
2832 extern void restore_match_data
P_ ((void));
2833 EXFUN (Fmatch_data
, 2);
2834 EXFUN (Fset_match_data
, 1);
2835 EXFUN (Fmatch_beginning
, 1);
2836 EXFUN (Fmatch_end
, 1);
2837 EXFUN (Flooking_at
, 1);
2838 extern int fast_string_match
P_ ((Lisp_Object
, Lisp_Object
));
2839 extern int fast_c_string_match_ignore_case
P_ ((Lisp_Object
, const char *));
2840 extern int fast_string_match_ignore_case
P_ ((Lisp_Object
, Lisp_Object
));
2841 extern int scan_buffer
P_ ((int, int, int, int, int *, int));
2842 extern int scan_newline
P_ ((int, int, int, int, int, int));
2843 extern int find_next_newline
P_ ((int, int));
2844 extern int find_next_newline_no_quit
P_ ((int, int));
2845 extern int find_before_next_newline
P_ ((int, int, int));
2846 extern void syms_of_search
P_ ((void));
2848 /* defined in minibuf.c */
2850 extern Lisp_Object last_minibuf_string
;
2851 extern void choose_minibuf_frame
P_ ((void));
2852 EXFUN (Fcompleting_read
, 8);
2853 EXFUN (Fread_from_minibuffer
, 8);
2854 EXFUN (Fread_variable
, 2);
2855 EXFUN (Fread_buffer
, 3);
2856 EXFUN (Fread_minibuffer
, 2);
2857 EXFUN (Feval_minibuffer
, 2);
2858 EXFUN (Fread_string
, 5);
2859 EXFUN (Fread_no_blanks_input
, 3);
2860 extern Lisp_Object get_minibuffer
P_ ((int));
2861 extern void temp_echo_area_glyphs
P_ ((Lisp_Object
));
2862 extern void init_minibuf_once
P_ ((void));
2863 extern void syms_of_minibuf
P_ ((void));
2864 extern void keys_of_minibuf
P_ ((void));
2866 /* Defined in callint.c */
2868 extern Lisp_Object Qminus
, Qplus
, Vcurrent_prefix_arg
;
2869 extern Lisp_Object Vcommand_history
;
2870 extern Lisp_Object Qcall_interactively
, Qmouse_leave_buffer_hook
;
2871 EXFUN (Fcall_interactively
, 3);
2872 EXFUN (Fprefix_numeric_value
, 1);
2873 extern void syms_of_callint
P_ ((void));
2875 /* defined in casefiddle.c */
2877 EXFUN (Fdowncase
, 1);
2879 EXFUN (Fcapitalize
, 1);
2880 EXFUN (Fupcase_region
, 2);
2881 EXFUN (Fupcase_initials
, 1);
2882 EXFUN (Fupcase_initials_region
, 2);
2883 extern void syms_of_casefiddle
P_ ((void));
2884 extern void keys_of_casefiddle
P_ ((void));
2886 /* defined in casetab.c */
2888 EXFUN (Fset_case_table
, 1);
2889 EXFUN (Fset_standard_case_table
, 1);
2890 extern void init_casetab_once
P_ ((void));
2891 extern void syms_of_casetab
P_ ((void));
2893 /* defined in keyboard.c */
2896 extern Lisp_Object echo_message_buffer
;
2897 extern struct kboard
*echo_kboard
;
2898 extern void cancel_echoing
P_ ((void));
2899 extern Lisp_Object Qdisabled
, QCfilter
;
2900 extern Lisp_Object Vtty_erase_char
, Vhelp_form
, Vtop_level
;
2901 extern Lisp_Object Vthrow_on_input
;
2902 extern int input_pending
;
2903 EXFUN (Fdiscard_input
, 0);
2904 EXFUN (Frecursive_edit
, 0);
2905 EXFUN (Ftop_level
, 0);
2906 EXFUN (Fcommand_execute
, 4);
2907 EXFUN (Finput_pending_p
, 0);
2908 extern Lisp_Object menu_bar_items
P_ ((Lisp_Object
));
2909 extern Lisp_Object tool_bar_items
P_ ((Lisp_Object
, int *));
2910 extern Lisp_Object Qvertical_scroll_bar
;
2911 extern void discard_mouse_events
P_ ((void));
2912 EXFUN (Fevent_convert_list
, 1);
2913 EXFUN (Fread_key_sequence
, 5);
2914 EXFUN (Fset_input_mode
, 4);
2915 extern int detect_input_pending
P_ ((void));
2916 extern int detect_input_pending_ignore_squeezables
P_ ((void));
2917 extern int detect_input_pending_run_timers
P_ ((int));
2918 extern void safe_run_hooks
P_ ((Lisp_Object
));
2919 extern void cmd_error_internal
P_ ((Lisp_Object
, char *));
2920 extern Lisp_Object command_loop_1
P_ ((void));
2921 extern Lisp_Object recursive_edit_1
P_ ((void));
2922 extern void record_auto_save
P_ ((void));
2923 extern void init_keyboard
P_ ((void));
2924 extern void syms_of_keyboard
P_ ((void));
2925 extern void keys_of_keyboard
P_ ((void));
2926 extern char *push_key_description
P_ ((unsigned int, char *, int));
2929 /* defined in indent.c */
2930 EXFUN (Fvertical_motion
, 2);
2931 EXFUN (Findent_to
, 2);
2932 EXFUN (Fcurrent_column
, 0);
2933 EXFUN (Fmove_to_column
, 2);
2934 extern double current_column
P_ ((void));
2935 extern void invalidate_current_column
P_ ((void));
2936 extern int indented_beyond_p
P_ ((int, int, double));
2937 extern void syms_of_indent
P_ ((void));
2939 /* defined in frame.c */
2940 #ifdef HAVE_WINDOW_SYSTEM
2941 extern Lisp_Object Vx_resource_name
;
2942 extern Lisp_Object Vx_resource_class
;
2943 #endif /* HAVE_WINDOW_SYSTEM */
2944 extern Lisp_Object Qvisible
;
2945 extern void store_frame_param
P_ ((struct frame
*, Lisp_Object
, Lisp_Object
));
2946 extern void store_in_alist
P_ ((Lisp_Object
*, Lisp_Object
, Lisp_Object
));
2947 extern Lisp_Object do_switch_frame
P_ ((Lisp_Object
, int, int));
2948 extern Lisp_Object get_frame_param
P_ ((struct frame
*, Lisp_Object
));
2949 extern Lisp_Object frame_buffer_predicate
P_ ((Lisp_Object
));
2951 EXFUN (Fselect_frame
, 2);
2952 EXFUN (Fselected_frame
, 0);
2953 EXFUN (Fwindow_frame
, 1);
2954 EXFUN (Fframe_root_window
, 1);
2955 EXFUN (Fframe_first_window
, 1);
2956 EXFUN (Fframe_selected_window
, 1);
2957 EXFUN (Fframe_list
, 0);
2958 EXFUN (Fnext_frame
, 2);
2959 EXFUN (Fdelete_frame
, 2);
2960 EXFUN (Fset_mouse_position
, 3);
2961 EXFUN (Fmake_frame_visible
, 1);
2962 EXFUN (Fmake_frame_invisible
, 2);
2963 EXFUN (Ficonify_frame
, 1);
2964 EXFUN (Fframe_visible_p
, 1);
2965 EXFUN (Fvisible_frame_list
, 0);
2966 EXFUN (Fframe_parameter
, 2);
2967 EXFUN (Fframe_parameters
, 1);
2968 EXFUN (Fmodify_frame_parameters
, 2);
2969 EXFUN (Fset_frame_height
, 3);
2970 EXFUN (Fset_frame_width
, 3);
2971 EXFUN (Fset_frame_size
, 3);
2972 EXFUN (Fset_frame_position
, 3);
2973 EXFUN (Fraise_frame
, 1);
2974 EXFUN (Fredirect_frame_focus
, 2);
2975 EXFUN (Fset_frame_selected_window
, 2);
2976 extern Lisp_Object frame_buffer_list
P_ ((Lisp_Object
));
2977 extern void frames_discard_buffer
P_ ((Lisp_Object
));
2978 extern void set_frame_buffer_list
P_ ((Lisp_Object
, Lisp_Object
));
2979 extern void frames_bury_buffer
P_ ((Lisp_Object
));
2980 extern void syms_of_frame
P_ ((void));
2982 /* defined in emacs.c */
2983 extern Lisp_Object decode_env_path
P_ ((char *, char *));
2984 extern Lisp_Object Vinvocation_name
, Vinvocation_directory
;
2985 extern Lisp_Object Vinstallation_directory
, empty_string
;
2986 EXFUN (Fkill_emacs
, 1);
2988 void fixup_locale
P_ ((void));
2989 void synchronize_system_messages_locale
P_ ((void));
2990 void synchronize_system_time_locale
P_ ((void));
2992 #define setlocale(category, locale)
2993 #define fixup_locale()
2994 #define synchronize_system_messages_locale()
2995 #define synchronize_system_time_locale()
2997 void shut_down_emacs
P_ ((int, int, Lisp_Object
));
2998 /* Nonzero means don't do interactive redisplay and don't change tty modes */
2999 extern int noninteractive
;
3000 /* Nonzero means don't do use window-system-specific display code */
3001 extern int inhibit_window_system
;
3002 /* Nonzero means that a filter or a sentinel is running. */
3003 extern int running_asynch_code
;
3005 /* defined in process.c */
3006 EXFUN (Fget_process
, 1);
3007 EXFUN (Fget_buffer_process
, 1);
3008 EXFUN (Fprocessp
, 1);
3009 EXFUN (Fprocess_status
, 1);
3010 EXFUN (Fkill_process
, 2);
3011 EXFUN (Fprocess_send_eof
, 1);
3012 EXFUN (Fwaiting_for_user_input_p
, 0);
3013 extern Lisp_Object Qprocessp
;
3014 extern void kill_buffer_processes
P_ ((Lisp_Object
));
3015 extern int wait_reading_process_output
P_ ((int, int, int, int,
3017 struct Lisp_Process
*,
3019 extern void deactivate_process
P_ ((Lisp_Object
));
3020 extern void add_keyboard_wait_descriptor
P_ ((int));
3021 extern void delete_keyboard_wait_descriptor
P_ ((int));
3022 extern void close_process_descs
P_ ((void));
3023 extern void status_notify
P_ ((void));
3024 extern int read_process_output
P_ ((Lisp_Object
, int));
3025 extern void init_process
P_ ((void));
3026 extern void syms_of_process
P_ ((void));
3027 extern void setup_process_coding_systems
P_ ((Lisp_Object
));
3029 /* defined in callproc.c */
3030 extern Lisp_Object Vexec_path
, Vexec_suffixes
,
3031 Vexec_directory
, Vdata_directory
;
3032 extern Lisp_Object Vdoc_directory
;
3033 EXFUN (Fcall_process
, MANY
);
3034 extern int child_setup
P_ ((int, int, int, char **, int, Lisp_Object
));
3035 extern void init_callproc_1
P_ ((void));
3036 extern void init_callproc
P_ ((void));
3037 extern void set_process_environment
P_ ((void));
3038 extern void syms_of_callproc
P_ ((void));
3040 /* defined in doc.c */
3041 extern Lisp_Object Vdoc_file_name
;
3042 EXFUN (Fsubstitute_command_keys
, 1);
3043 EXFUN (Fdocumentation
, 2);
3044 EXFUN (Fdocumentation_property
, 3);
3045 extern Lisp_Object read_doc_string
P_ ((Lisp_Object
));
3046 extern Lisp_Object get_doc_string
P_ ((Lisp_Object
, int, int));
3047 extern void syms_of_doc
P_ ((void));
3048 extern int read_bytecode_char
P_ ((int));
3050 /* defined in bytecode.c */
3051 extern Lisp_Object Qbytecode
;
3052 EXFUN (Fbyte_code
, 3);
3053 extern void syms_of_bytecode
P_ ((void));
3054 extern struct byte_stack
*byte_stack_list
;
3055 extern void mark_byte_stack
P_ ((void));
3056 extern void unmark_byte_stack
P_ ((void));
3058 /* defined in macros.c */
3059 extern Lisp_Object Qexecute_kbd_macro
;
3060 EXFUN (Fexecute_kbd_macro
, 3);
3061 EXFUN (Fcancel_kbd_macro_events
, 0);
3062 extern void init_macros
P_ ((void));
3063 extern void syms_of_macros
P_ ((void));
3065 /* defined in undo.c */
3066 extern Lisp_Object Qinhibit_read_only
;
3067 EXFUN (Fundo_boundary
, 0);
3068 extern void truncate_undo_list
P_ ((struct buffer
*));
3069 extern void record_marker_adjustment
P_ ((Lisp_Object
, int));
3070 extern void record_insert
P_ ((int, int));
3071 extern void record_delete
P_ ((int, Lisp_Object
));
3072 extern void record_first_change
P_ ((void));
3073 extern void record_change
P_ ((int, int));
3074 extern void record_property_change
P_ ((int, int, Lisp_Object
, Lisp_Object
,
3076 extern void syms_of_undo
P_ ((void));
3077 extern Lisp_Object Vundo_outer_limit
;
3079 /* defined in textprop.c */
3080 extern Lisp_Object Qfont
, Qmouse_face
;
3081 extern Lisp_Object Qinsert_in_front_hooks
, Qinsert_behind_hooks
;
3082 EXFUN (Fnext_single_property_change
, 4);
3083 EXFUN (Fnext_single_char_property_change
, 4);
3084 EXFUN (Fprevious_single_property_change
, 4);
3085 EXFUN (Fput_text_property
, 5);
3086 EXFUN (Fprevious_char_property_change
, 2);
3087 EXFUN (Fnext_char_property_change
, 2);
3088 extern void report_interval_modification
P_ ((Lisp_Object
, Lisp_Object
));
3089 extern Lisp_Object next_single_char_property_change
P_ ((Lisp_Object
,
3094 /* defined in xmenu.c */
3095 EXFUN (Fx_popup_menu
, 2);
3096 EXFUN (Fx_popup_dialog
, 2);
3097 extern void syms_of_xmenu
P_ ((void));
3099 /* defined in sysdep.c */
3100 extern void stuff_char
P_ ((char c
));
3101 extern void init_sigio
P_ ((int));
3102 extern void request_sigio
P_ ((void));
3103 extern void unrequest_sigio
P_ ((void));
3104 extern void reset_sys_modes
P_ ((void));
3105 extern void sys_subshell
P_ ((void));
3106 extern void sys_suspend
P_ ((void));
3107 extern void discard_tty_input
P_ ((void));
3108 extern void init_sys_modes
P_ ((void));
3109 extern void reset_sys_modes
P_ ((void));
3110 extern void get_frame_size
P_ ((int *, int *));
3111 extern void wait_for_termination
P_ ((int));
3112 extern void flush_pending_output
P_ ((int));
3113 extern void child_setup_tty
P_ ((int));
3114 extern void setup_pty
P_ ((int));
3115 extern int set_window_size
P_ ((int, int, int));
3116 extern void create_process
P_ ((Lisp_Object
, char **, Lisp_Object
));
3117 extern int tabs_safe_p
P_ ((void));
3118 extern void init_baud_rate
P_ ((void));
3119 extern int emacs_open
P_ ((const char *, int, int));
3120 extern int emacs_close
P_ ((int));
3121 extern int emacs_read
P_ ((int, char *, unsigned int));
3122 extern int emacs_write
P_ ((int, const char *, unsigned int));
3124 /* defined in filelock.c */
3125 EXFUN (Funlock_buffer
, 0);
3126 EXFUN (Ffile_locked_p
, 1);
3127 extern void unlock_all_files
P_ ((void));
3128 extern void lock_file
P_ ((Lisp_Object
));
3129 extern void unlock_file
P_ ((Lisp_Object
));
3130 extern void unlock_buffer
P_ ((struct buffer
*));
3131 extern void syms_of_filelock
P_ ((void));
3132 extern void init_filelock
P_ ((void));
3134 /* Defined in sound.c */
3135 extern void syms_of_sound
P_ ((void));
3136 extern void init_sound
P_ ((void));
3138 /* Defined in category.c */
3139 extern void init_category_once
P_ ((void));
3140 extern void syms_of_category
P_ ((void));
3142 /* Defined in ccl.c */
3143 extern void syms_of_ccl
P_ ((void));
3145 /* Defined in dired.c */
3146 EXFUN (Ffile_attributes
, 2);
3147 extern void syms_of_dired
P_ ((void));
3149 /* Defined in term.c */
3150 extern void syms_of_term
P_ ((void));
3151 extern void fatal () NO_RETURN
;
3153 #ifdef HAVE_X_WINDOWS
3154 /* Defined in fontset.c */
3155 extern void syms_of_fontset
P_ ((void));
3156 EXFUN (Fset_fontset_font
, 4);
3159 /* Defined in xfaces.c */
3160 extern void syms_of_xfaces
P_ ((void));
3162 /* Defined in getloadavg.c */
3163 extern int getloadavg
P_ ((double *, int));
3165 #ifdef HAVE_X_WINDOWS
3166 /* Defined in xfns.c */
3167 extern void syms_of_xfns
P_ ((void));
3168 #endif /* HAVE_X_WINDOWS */
3169 #ifdef HAVE_WINDOW_SYSTEM
3170 /* Defined in xfns.c, w32fns.c, or macfns.c */
3171 EXFUN (Fxw_display_color_p
, 1);
3172 EXFUN (Fx_file_dialog
, 5);
3173 #endif /* HAVE_WINDOW_SYSTEM */
3175 /* Defined in xsmfns.c */
3176 extern void syms_of_xsmfns
P_ ((void));
3178 /* Defined in xselect.c */
3179 extern void syms_of_xselect
P_ ((void));
3181 /* Defined in xterm.c */
3182 extern void syms_of_xterm
P_ ((void));
3184 /* Defined in getloadavg.c */
3185 extern int getloadavg
P_ ((double [], int));
3188 /* Defined in msdos.c */
3189 EXFUN (Fmsdos_downcase_filename
, 1);
3192 /* Nonzero means Emacs has already been initialized.
3193 Used during startup to detect startup of dumped Emacs. */
3194 extern int initialized
;
3196 extern int immediate_quit
; /* Nonzero means ^G can quit instantly */
3198 extern POINTER_TYPE
*xmalloc
P_ ((size_t));
3199 extern POINTER_TYPE
*xrealloc
P_ ((POINTER_TYPE
*, size_t));
3200 extern void xfree
P_ ((POINTER_TYPE
*));
3202 extern char *xstrdup
P_ ((const char *));
3204 extern char *egetenv
P_ ((char *));
3206 /* Set up the name of the machine we're running on. */
3207 extern void init_system_name
P_ ((void));
3209 /* Some systems (e.g., NT) use a different path separator than Unix,
3210 in addition to a device separator. Default the path separator
3211 to '/', and don't test for a device separator in IS_ANY_SEP. */
3214 extern Lisp_Object Vdirectory_sep_char
;
3217 #ifndef DIRECTORY_SEP
3218 #define DIRECTORY_SEP '/'
3220 #ifndef IS_DIRECTORY_SEP
3221 #define IS_DIRECTORY_SEP(_c_) ((_c_) == DIRECTORY_SEP)
3223 #ifndef IS_DEVICE_SEP
3225 #define IS_DEVICE_SEP(_c_) 0
3227 #define IS_DEVICE_SEP(_c_) ((_c_) == DEVICE_SEP)
3231 #define IS_ANY_SEP(_c_) (IS_DIRECTORY_SEP (_c_))
3234 #ifdef SWITCH_ENUM_BUG
3235 #define SWITCH_ENUM_CAST(x) ((int)(x))
3237 #define SWITCH_ENUM_CAST(x) (x)
3240 /* Loop over Lisp list LIST. Signal an error if LIST is not a proper
3241 list, or if it contains circles.
3243 HARE and TORTOISE should be the names of Lisp_Object variables, and
3244 N should be the name of an EMACS_INT variable declared in the
3245 function where the macro is used. Each nested loop should use
3248 In the loop body, HARE is set to each cons of LIST, and N is the
3249 length of the list processed so far. */
3251 #define LIST_END_P(list, obj) \
3256 : (wrong_type_argument (Qlistp, (list))), 1))
3258 #define FOREACH(hare, list, tortoise, n) \
3259 for (tortoise = hare = (list), n = 0; \
3260 !LIST_END_P (list, hare); \
3261 (hare = XCDR (hare), ++n, \
3263 ? (tortoise = XCDR (tortoise), \
3264 (EQ (hare, tortoise) \
3265 && (circular_list_error ((list)), 1))) \
3268 /* The ubiquitous min and max macros. */
3274 #define min(a, b) ((a) < (b) ? (a) : (b))
3275 #define max(a, b) ((a) > (b) ? (a) : (b))
3277 /* Return a fixnum or float, depending on whether VAL fits in a Lisp
3280 #define make_fixnum_or_float(val) \
3281 (FIXNUM_OVERFLOW_P (val) \
3282 ? make_float (val) \
3283 : make_number ((EMACS_INT)(val)))
3286 /* Checks the `cycle check' variable CHECK to see if it indicates that
3287 EL is part of a cycle; CHECK must be either Qnil or a value returned
3288 by an earlier use of CYCLE_CHECK. SUSPICIOUS is the number of
3289 elements after which a cycle might be suspected; after that many
3290 elements, this macro begins consing in order to keep more precise
3293 Returns nil if a cycle was detected, otherwise a new value for CHECK
3296 CHECK is evaluated multiple times, EL and SUSPICIOUS 0 or 1 times, so
3297 the caller should make sure that's ok. */
3299 #define CYCLE_CHECK(check, el, suspicious) \
3302 : (INTEGERP (check) \
3303 ? (XFASTINT (check) < (suspicious) \
3304 ? make_number (XFASTINT (check) + 1) \
3305 : Fcons (el, Qnil)) \
3306 : (!NILP (Fmemq ((el), (check))) \
3308 : Fcons ((el), (check)))))
3311 /* SAFE_ALLOCA normally allocates memory on the stack, but if size is
3312 larger than MAX_ALLOCA, use xmalloc to avoid overflowing the stack. */
3314 #define MAX_ALLOCA 16*1024
3316 extern Lisp_Object
safe_alloca_unwind (Lisp_Object
);
3318 #define USE_SAFE_ALLOCA \
3319 int sa_count = SPECPDL_INDEX (), sa_must_free = 0
3321 /* SAFE_ALLOCA allocates a simple buffer. */
3323 #define SAFE_ALLOCA(buf, type, size) \
3325 if ((size) < MAX_ALLOCA) \
3326 buf = (type) alloca (size); \
3329 buf = (type) xmalloc (size); \
3331 record_unwind_protect (safe_alloca_unwind, \
3332 make_save_value (buf, 0)); \
3336 /* SAFE_FREE frees xmalloced memory and enables GC as needed. */
3338 #define SAFE_FREE() \
3340 if (sa_must_free) { \
3342 unbind_to (sa_count, Qnil); \
3347 /* SAFE_ALLOCA_LISP allocates an array of Lisp_Objects. */
3349 #define SAFE_ALLOCA_LISP(buf, nelt) \
3351 int size_ = (nelt) * sizeof (Lisp_Object); \
3352 if (size_ < MAX_ALLOCA) \
3353 buf = (Lisp_Object *) alloca (size_); \
3357 buf = (Lisp_Object *) xmalloc (size_); \
3358 arg_ = make_save_value (buf, nelt); \
3359 XSAVE_VALUE (arg_)->dogc = 1; \
3361 record_unwind_protect (safe_alloca_unwind, arg_); \
3366 #endif /* EMACS_LISP_H */
3368 /* arch-tag: 9b2ed020-70eb-47ac-94ee-e1c2a5107d5e
3369 (do not change this comment) */