1 /* Fundamental definitions for GNU Emacs Lisp interpreter.
2 Copyright (C) 1985, 1986, 1987, 1993, 1994, 1995, 1997, 1998, 1999, 2000,
3 2001, 2002, 2003, 2004, 2005, 2006, 2007 Free Software Foundation, Inc.
5 This file is part of GNU Emacs.
7 GNU Emacs is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3, or (at your option)
12 GNU Emacs is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with GNU Emacs; see the file COPYING. If not, write to
19 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
20 Boston, MA 02110-1301, USA. */
25 /* Declare the prototype for a general external function. */
26 #if defined (PROTOTYPES) || defined (WINDOWSNT)
27 #define P_(proto) proto
33 /* Define this temporarily to hunt a bug. If defined, the size of
34 strings is redundantly recorded in sdata structures so that it can
35 be compared to the sizes recorded in Lisp strings. */
37 #define GC_CHECK_STRING_BYTES 1
39 /* Define this to check for short string overrun. */
41 #define GC_CHECK_STRING_OVERRUN 1
43 /* Define this to check the string free list. */
45 #define GC_CHECK_STRING_FREE_LIST 1
47 /* Define this to check for malloc buffer overrun. */
49 #define XMALLOC_OVERRUN_CHECK 1
51 /* Define this to check for errors in cons list. */
52 /* #define GC_CHECK_CONS_LIST 1 */
56 #ifdef GC_CHECK_CONS_LIST
57 #define CHECK_CONS_LIST() check_cons_list()
59 #define CHECK_CONS_LIST() ((void)0)
62 /* These are default choices for the types to use. */
65 #define EMACS_INT long
66 #define BITS_PER_EMACS_INT BITS_PER_LONG
69 #define EMACS_UINT unsigned long
74 #define BITS_PER_EMACS_INT BITS_PER_INT
77 #define EMACS_UINT unsigned int
81 /* Extra internal type checking? */
82 extern int suppress_checking
;
83 extern void die
P_((const char *, const char *, int)) NO_RETURN
;
85 #ifdef ENABLE_CHECKING
87 #define CHECK(check,msg) (((check) || suppress_checking \
89 : die ((msg), __FILE__, __LINE__)), \
93 /* Produce same side effects and result, but don't complain. */
94 #define CHECK(check,msg) ((check),0)
98 /* Used for making sure that Emacs is compilable in all
101 #ifdef USE_LISP_UNION_TYPE
105 /* Define an Emacs version of "assert", since some system ones are
107 #ifndef ENABLE_CHECKING
108 #define eassert(X) (void) 0
109 #else /* ENABLE_CHECKING */
110 #if defined (__GNUC__) && __GNUC__ >= 2 && defined (__STDC__)
111 #define eassert(cond) CHECK(cond,"assertion failed: " #cond)
113 #define eassert(cond) CHECK(cond,"assertion failed")
115 #endif /* ENABLE_CHECKING */
117 /* Define the fundamental Lisp data structures. */
119 /* This is the set of Lisp data types. */
123 /* Integer. XINT (obj) is the integer value. */
126 /* Symbol. XSYMBOL (object) points to a struct Lisp_Symbol. */
129 /* Miscellaneous. XMISC (object) points to a union Lisp_Misc,
130 whose first member indicates the subtype. */
133 /* String. XSTRING (object) points to a struct Lisp_String.
134 The length of the string, and its contents, are stored therein. */
137 /* Vector of Lisp objects, or something resembling it.
138 XVECTOR (object) points to a struct Lisp_Vector, which contains
139 the size and contents. The size field also contains the type
140 information, if it's not a real vector object. */
143 /* Cons. XCONS (object) points to a struct Lisp_Cons. */
148 /* This is not a type code. It is for range checking. */
152 /* This is the set of data types that share a common structure.
153 The first member of the structure is a type code from this set.
154 The enum values are arbitrary, but we'll use large numbers to make it
155 more likely that we'll spot the error if a random word in memory is
156 mistakenly interpreted as a Lisp_Misc. */
159 Lisp_Misc_Free
= 0x5eab,
164 Lisp_Misc_Buffer_Objfwd
,
165 Lisp_Misc_Buffer_Local_Value
,
166 Lisp_Misc_Some_Buffer_Local_Value
,
168 Lisp_Misc_Kboard_Objfwd
,
169 Lisp_Misc_Save_Value
,
170 /* Currently floats are not a misc type,
171 but let's define this in case we want to change that. */
173 /* This is not a type code. It is for range checking. */
181 /* These values are overridden by the m- file on some machines. */
183 #define VALBITS (BITS_PER_EMACS_INT - GCTYPEBITS)
186 #ifndef NO_UNION_TYPE
188 #ifndef WORDS_BIG_ENDIAN
190 /* Definition of Lisp_Object for little-endian machines. */
195 /* Used for comparing two Lisp_Objects;
196 also, positive integers can be accessed fast this way. */
201 EMACS_INT val
: VALBITS
;
202 enum Lisp_Type type
: GCTYPEBITS
;
206 EMACS_UINT val
: VALBITS
;
207 enum Lisp_Type type
: GCTYPEBITS
;
212 #else /* If WORDS_BIG_ENDIAN */
217 /* Used for comparing two Lisp_Objects;
218 also, positive integers can be accessed fast this way. */
223 enum Lisp_Type type
: GCTYPEBITS
;
224 EMACS_INT val
: VALBITS
;
228 enum Lisp_Type type
: GCTYPEBITS
;
229 EMACS_UINT val
: VALBITS
;
234 #endif /* WORDS_BIG_ENDIAN */
237 static __inline__ Lisp_Object
238 LISP_MAKE_RVALUE (Lisp_Object o
)
243 /* This isn't quite right - it keeps the argument as an lvalue.
244 Making it const via casting would help avoid code actually
245 modifying the location in question, but the casting could cover
246 other type-related bugs. */
247 #define LISP_MAKE_RVALUE(o) (o)
250 #endif /* NO_UNION_TYPE */
253 /* If union type is not wanted, define Lisp_Object as just a number. */
256 typedef EMACS_INT Lisp_Object
;
257 #define LISP_MAKE_RVALUE(o) (0+(o))
258 #endif /* NO_UNION_TYPE */
260 /* Two flags that are set during GC. On some machines, these flags
261 are defined differently by the m- file. */
263 /* In the size word of a vector, this bit means the vector has been marked. */
265 #ifndef ARRAY_MARK_FLAG
266 #define ARRAY_MARK_FLAG ((EMACS_INT) ((EMACS_UINT) 1 << (VALBITS + GCTYPEBITS - 1)))
267 #endif /* no ARRAY_MARK_FLAG */
269 /* In the size word of a struct Lisp_Vector, this bit means it's really
270 some other vector-like object. */
271 #ifndef PSEUDOVECTOR_FLAG
272 #define PSEUDOVECTOR_FLAG ((ARRAY_MARK_FLAG >> 1) & ~ARRAY_MARK_FLAG)
275 /* In a pseudovector, the size field actually contains a word with one
276 PSEUDOVECTOR_FLAG bit set, and exactly one of the following bits to
277 indicate the actual type.
278 FIXME: Why a bitset if only one of the bits can ever be set at a time? */
281 PVEC_NORMAL_VECTOR
= 0,
282 PVEC_PROCESS
= 0x200,
284 PVEC_COMPILED
= 0x800,
285 PVEC_WINDOW
= 0x1000,
286 PVEC_WINDOW_CONFIGURATION
= 0x2000,
288 PVEC_CHAR_TABLE
= 0x8000,
289 PVEC_BOOL_VECTOR
= 0x10000,
290 PVEC_BUFFER
= 0x20000,
291 PVEC_HASH_TABLE
= 0x40000,
292 PVEC_TERMINAL
= 0x80000,
293 PVEC_TYPE_MASK
= 0xffe00
295 #if 0 /* This is used to make the value of PSEUDOVECTOR_FLAG available to
296 GDB. It doesn't work on OS Alpha. Moved to a variable in
298 PVEC_FLAG
= PSEUDOVECTOR_FLAG
302 /* For convenience, we also store the number of elements in these bits.
303 Note that this size is not necessarily the memory-footprint size, but
304 only the number of Lisp_Object fields (that need to be traced by the GC).
305 The distinction is used e.g. by Lisp_Process which places extra
306 non-Lisp_Object fields at the end of the structure. */
307 #define PSEUDOVECTOR_SIZE_MASK 0x1ff
309 /* Number of bits to put in each character in the internal representation
310 of bool vectors. This should not vary across implementations. */
311 #define BOOL_VECTOR_BITS_PER_CHAR 8
313 /***** Select the tagging scheme. *****/
314 /* There are basically two options that control the tagging scheme:
315 - NO_UNION_TYPE says that Lisp_Object should be an integer instead
317 - USE_LSB_TAG means that we can assume the least 3 bits of pointers are
318 always 0, and we can thus use them to hold tag bits, without
319 restricting our addressing space.
321 If USE_LSB_TAG is not set, then we use the top 3 bits for tagging, thus
322 restricting our possible address range. Currently USE_LSB_TAG is not
323 allowed together with a union. This is not due to any fundamental
324 technical (or political ;-) problem: nobody wrote the code to do it yet.
326 USE_LSB_TAG not only requires the least 3 bits of pointers returned by
327 malloc to be 0 but also needs to be able to impose a mult-of-8 alignment
328 on the few static Lisp_Objects used: all the defsubr as well
329 as the two special buffers buffer_defaults and buffer_local_symbols. */
331 /* First, try and define DECL_ALIGN(type,var) which declares a static
332 variable VAR of type TYPE with the added requirement that it be
334 #ifndef NO_DECL_ALIGN
336 /* What compiler directive should we use for non-gcc compilers? -stef */
337 # if defined (__GNUC__)
338 # define DECL_ALIGN(type, var) \
339 type __attribute__ ((__aligned__ (1 << GCTYPEBITS))) var
344 /* Let's USE_LSB_TAG on systems where we know malloc returns mult-of-8. */
345 #if defined GNU_MALLOC || defined DOUG_LEA_MALLOC || defined __GLIBC__ || defined MAC_OSX
346 /* We also need to be able to specify mult-of-8 alignment on static vars. */
347 # if defined DECL_ALIGN
348 /* We currently do not support USE_LSB_TAG with a union Lisp_Object. */
349 # if defined NO_UNION_TYPE
355 /* If we cannot use 8-byte alignment, make DECL_ALIGN a no-op. */
358 # error "USE_LSB_TAG used without defining DECL_ALIGN"
360 # define DECL_ALIGN(type, var) type var
364 /* These macros extract various sorts of values from a Lisp_Object.
365 For example, if tem is a Lisp_Object whose type is Lisp_Cons,
366 XCONS (tem) is the struct Lisp_Cons * pointing to the memory for that cons. */
372 #define TYPEMASK ((((EMACS_INT) 1) << GCTYPEBITS) - 1)
373 #define XTYPE(a) ((enum Lisp_Type) (((EMACS_UINT) (a)) & TYPEMASK))
374 #define XINT(a) (((EMACS_INT) (a)) >> GCTYPEBITS)
375 #define XUINT(a) (((EMACS_UINT) (a)) >> GCTYPEBITS)
376 #define XSET(var, type, ptr) \
377 (eassert (XTYPE (ptr) == 0), /* Check alignment. */ \
378 (var) = ((EMACS_INT) (type)) | ((EMACS_INT) (ptr)))
379 #define make_number(N) (((EMACS_INT) (N)) << GCTYPEBITS)
381 /* XFASTINT and XSETFASTINT are for use when the integer is known to be
382 positive, in which case the implementation can sometimes be faster
383 depending on the tagging scheme. With USE_LSB_TAG, there's no benefit. */
384 #define XFASTINT(a) XINT (a)
385 #define XSETFASTINT(a, b) ((a) = make_number (b))
387 #define XPNTR(a) ((EMACS_INT) ((a) & ~TYPEMASK))
389 #else /* not USE_LSB_TAG */
391 #define VALMASK ((((EMACS_INT) 1) << VALBITS) - 1)
393 /* One need to override this if there must be high bits set in data space
394 (doing the result of the below & ((1 << (GCTYPE + 1)) - 1) would work
395 on all machines, but would penalize machines which don't need it)
397 #define XTYPE(a) ((enum Lisp_Type) (((EMACS_UINT) (a)) >> VALBITS))
399 /* For integers known to be positive, XFASTINT provides fast retrieval
400 and XSETFASTINT provides fast storage. This takes advantage of the
401 fact that Lisp_Int is 0. */
402 #define XFASTINT(a) ((a) + 0)
403 #define XSETFASTINT(a, b) ((a) = (b))
405 /* Extract the value of a Lisp_Object as a signed integer. */
407 #ifndef XINT /* Some machines need to do this differently. */
408 #define XINT(a) ((((EMACS_INT) (a)) << (BITS_PER_EMACS_INT - VALBITS)) \
409 >> (BITS_PER_EMACS_INT - VALBITS))
412 /* Extract the value as an unsigned integer. This is a basis
413 for extracting it as a pointer to a structure in storage. */
416 #define XUINT(a) ((EMACS_UINT) ((a) & VALMASK))
420 #define XSET(var, type, ptr) \
421 ((var) = ((EMACS_INT)(type) << VALBITS) + ((EMACS_INT) (ptr) & VALMASK))
424 /* Convert a C integer into a Lisp_Object integer. */
426 #define make_number(N) \
427 ((((EMACS_INT) (N)) & VALMASK) | ((EMACS_INT) Lisp_Int) << VALBITS)
429 #endif /* not USE_LSB_TAG */
431 #define EQ(x, y) ((x) == (y))
433 #else /* not NO_UNION_TYPE */
435 #define XTYPE(a) ((enum Lisp_Type) (a).u.type)
437 /* For integers known to be positive, XFASTINT provides fast retrieval
438 and XSETFASTINT provides fast storage. This takes advantage of the
439 fact that Lisp_Int is 0. */
440 #define XFASTINT(a) ((a).i + 0)
441 #define XSETFASTINT(a, b) ((a).i = (b))
443 #ifdef EXPLICIT_SIGN_EXTEND
444 /* Make sure we sign-extend; compilers have been known to fail to do so. */
445 #define XINT(a) (((a).s.val << (BITS_PER_EMACS_INT - VALBITS)) \
446 >> (BITS_PER_EMACS_INT - VALBITS))
448 #define XINT(a) ((a).s.val)
449 #endif /* EXPLICIT_SIGN_EXTEND */
451 #define XUINT(a) ((a).u.val)
453 #define XSET(var, vartype, ptr) \
454 (((var).s.val = ((EMACS_INT) (ptr))), ((var).s.type = ((char) (vartype))))
456 #if __GNUC__ >= 2 && defined (__OPTIMIZE__)
457 #define make_number(N) \
458 (__extension__ ({ Lisp_Object _l; _l.s.val = (N); _l.s.type = Lisp_Int; _l; }))
460 extern Lisp_Object make_number
P_ ((EMACS_INT
));
463 #define EQ(x, y) ((x).i == (y).i)
465 #endif /* NO_UNION_TYPE */
467 /* During garbage collection, XGCTYPE must be used for extracting types
468 so that the mark bit is ignored. XMARKBIT accesses the markbit.
469 Markbits are used only in particular slots of particular structure types.
470 Other markbits are always zero.
471 Outside of garbage collection, all mark bits are always zero. */
474 /* The distinction does not exist now that the MARKBIT has been eliminated. */
475 #define XGCTYPE(a) XTYPE (a)
480 /* In this representation, data is found in two widely separated segments. */
481 extern size_t pure_size
;
483 (XUINT (a) | (XUINT (a) > pure_size ? DATA_SEG_BITS : PURE_SEG_BITS))
484 #else /* not HAVE_SHM */
486 /* This case is used for the rt-pc.
487 In the diffs I was given, it checked for ptr = 0
488 and did not adjust it in that case.
489 But I don't think that zero should ever be found
490 in a Lisp object whose data type says it points to something. */
491 #define XPNTR(a) (XUINT (a) | DATA_SEG_BITS)
493 /* Some versions of gcc seem to consider the bitfield width when
494 issuing the "cast to pointer from integer of different size"
495 warning, so the cast is here to widen the value back to its natural
497 #define XPNTR(a) ((EMACS_INT) XUINT (a))
499 #endif /* not HAVE_SHM */
500 #endif /* no XPNTR */
502 /* Largest and smallest representable fixnum values. These are the C
505 #define MOST_NEGATIVE_FIXNUM - ((EMACS_INT) 1 << (VALBITS - 1))
506 #define MOST_POSITIVE_FIXNUM (((EMACS_INT) 1 << (VALBITS - 1)) - 1)
507 /* Mask indicating the significant bits of a Lisp_Int.
508 I.e. (x & INTMASK) == XUINT (make_number (x)). */
509 #define INTMASK ((((EMACS_INT) 1) << VALBITS) - 1)
511 /* Value is non-zero if C integer I doesn't fit into a Lisp fixnum. */
513 #define FIXNUM_OVERFLOW_P(i) \
514 ((EMACS_INT)(i) > MOST_POSITIVE_FIXNUM \
515 || (EMACS_INT) (i) < MOST_NEGATIVE_FIXNUM)
517 /* Extract a value or address from a Lisp_Object. */
519 #define XCONS(a) (eassert (GC_CONSP(a)),(struct Lisp_Cons *) XPNTR(a))
520 #define XVECTOR(a) (eassert (GC_VECTORLIKEP(a)),(struct Lisp_Vector *) XPNTR(a))
521 #define XSTRING(a) (eassert (GC_STRINGP(a)),(struct Lisp_String *) XPNTR(a))
522 #define XSYMBOL(a) (eassert (GC_SYMBOLP(a)),(struct Lisp_Symbol *) XPNTR(a))
523 #define XFLOAT(a) (eassert (GC_FLOATP(a)),(struct Lisp_Float *) XPNTR(a))
527 #define XMISC(a) ((union Lisp_Misc *) XPNTR(a))
528 #define XMISCTYPE(a) (XMARKER (a)->type)
529 #define XMARKER(a) (&(XMISC(a)->u_marker))
530 #define XINTFWD(a) (&(XMISC(a)->u_intfwd))
531 #define XBOOLFWD(a) (&(XMISC(a)->u_boolfwd))
532 #define XOBJFWD(a) (&(XMISC(a)->u_objfwd))
533 #define XBUFFER_OBJFWD(a) (&(XMISC(a)->u_buffer_objfwd))
534 #define XBUFFER_LOCAL_VALUE(a) (&(XMISC(a)->u_buffer_local_value))
535 #define XOVERLAY(a) (&(XMISC(a)->u_overlay))
536 #define XKBOARD_OBJFWD(a) (&(XMISC(a)->u_kboard_objfwd))
537 #define XSAVE_VALUE(a) (&(XMISC(a)->u_save_value))
539 /* Pseudovector types. */
541 #define XPROCESS(a) (eassert (GC_PROCESSP(a)),(struct Lisp_Process *) XPNTR(a))
542 #define XWINDOW(a) (eassert (GC_WINDOWP(a)),(struct window *) XPNTR(a))
543 #define XTERMINAL(a) (eassert (GC_TERMINALP(a)),(struct terminal *) XPNTR(a))
544 #define XSUBR(a) (eassert (GC_SUBRP(a)),(struct Lisp_Subr *) XPNTR(a))
545 #define XBUFFER(a) (eassert (GC_BUFFERP(a)),(struct buffer *) XPNTR(a))
546 #define XCHAR_TABLE(a) ((struct Lisp_Char_Table *) XPNTR(a))
547 #define XBOOL_VECTOR(a) ((struct Lisp_Bool_Vector *) XPNTR(a))
549 /* Construct a Lisp_Object from a value or address. */
551 #define XSETINT(a, b) (a) = make_number (b)
552 #define XSETCONS(a, b) XSET (a, Lisp_Cons, b)
553 #define XSETVECTOR(a, b) XSET (a, Lisp_Vectorlike, b)
554 #define XSETSTRING(a, b) XSET (a, Lisp_String, b)
555 #define XSETSYMBOL(a, b) XSET (a, Lisp_Symbol, b)
556 #define XSETFLOAT(a, b) XSET (a, Lisp_Float, b)
560 #define XSETMISC(a, b) XSET (a, Lisp_Misc, b)
561 #define XSETMARKER(a, b) (XSETMISC (a, b), XMISCTYPE (a) = Lisp_Misc_Marker)
563 /* Pseudovector types. */
565 #define XSETPSEUDOVECTOR(a, b, code) \
566 (XSETVECTOR (a, b), XVECTOR (a)->size |= PSEUDOVECTOR_FLAG | (code))
567 #define XSETWINDOW_CONFIGURATION(a, b) \
568 (XSETPSEUDOVECTOR (a, b, PVEC_WINDOW_CONFIGURATION))
569 #define XSETPROCESS(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_PROCESS))
570 #define XSETWINDOW(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_WINDOW))
571 #define XSETTERMINAL(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_TERMINAL))
572 #define XSETSUBR(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_SUBR))
573 #define XSETCOMPILED(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_COMPILED))
574 #define XSETBUFFER(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_BUFFER))
575 #define XSETCHAR_TABLE(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_CHAR_TABLE))
576 #define XSETBOOL_VECTOR(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_BOOL_VECTOR))
578 /* Convenience macros for dealing with Lisp arrays. */
580 #define AREF(ARRAY, IDX) XVECTOR ((ARRAY))->contents[IDX]
581 #define ASET(ARRAY, IDX, VAL) (AREF ((ARRAY), (IDX)) = (VAL))
582 #define ASIZE(ARRAY) XVECTOR ((ARRAY))->size
584 /* Convenience macros for dealing with Lisp strings. */
586 #define SREF(string, index) (XSTRING (string)->data[index] + 0)
587 #define SSET(string, index, new) (XSTRING (string)->data[index] = (new))
588 #define SDATA(string) (XSTRING (string)->data + 0)
589 #define SCHARS(string) (XSTRING (string)->size + 0)
590 #define SBYTES(string) (STRING_BYTES (XSTRING (string)) + 0)
592 #define STRING_SET_CHARS(string, newsize) \
593 (XSTRING (string)->size = (newsize))
595 #define STRING_COPYIN(string, index, new, count) \
596 bcopy (new, XSTRING (string)->data + index, count)
600 #define CHECK_TYPE(ok, Qxxxp, x) \
601 do { if (!(ok)) wrong_type_argument (Qxxxp, (x)); } while (0)
605 /* See the macros in intervals.h. */
607 typedef struct interval
*INTERVAL
;
609 /* Complain if object is not string or buffer type */
610 #define CHECK_STRING_OR_BUFFER(x) \
611 CHECK_TYPE (STRINGP (x) || BUFFERP (x), Qbuffer_or_string_p, x)
614 /* In a cons, the markbit of the car is the gc mark bit */
618 /* Please do not use the names of these elements in code other
619 than the core lisp implementation. Use XCAR and XCDR below. */
620 #ifdef HIDE_LISP_IMPLEMENTATION
625 struct Lisp_Cons
*chain
;
632 struct Lisp_Cons
*chain
;
637 /* Take the car or cdr of something known to be a cons cell. */
638 /* The _AS_LVALUE macros shouldn't be used outside of the minimal set
639 of code that has to know what a cons cell looks like. Other code not
640 part of the basic lisp implementation should assume that the car and cdr
641 fields are not accessible as lvalues. (What if we want to switch to
642 a copying collector someday? Cached cons cell field addresses may be
643 invalidated at arbitrary points.) */
644 #ifdef HIDE_LISP_IMPLEMENTATION
645 #define XCAR_AS_LVALUE(c) (XCONS ((c))->car_)
646 #define XCDR_AS_LVALUE(c) (XCONS ((c))->u.cdr_)
648 #define XCAR_AS_LVALUE(c) (XCONS ((c))->car)
649 #define XCDR_AS_LVALUE(c) (XCONS ((c))->u.cdr)
652 /* Use these from normal code. */
653 #define XCAR(c) LISP_MAKE_RVALUE(XCAR_AS_LVALUE(c))
654 #define XCDR(c) LISP_MAKE_RVALUE(XCDR_AS_LVALUE(c))
656 /* Use these to set the fields of a cons cell.
658 Note that both arguments may refer to the same object, so 'n'
659 should not be read after 'c' is first modified. Also, neither
660 argument should be evaluated more than once; side effects are
661 especially common in the second argument. */
662 #define XSETCAR(c,n) (XCAR_AS_LVALUE(c) = (n))
663 #define XSETCDR(c,n) (XCDR_AS_LVALUE(c) = (n))
665 /* For performance: Fast storage of positive integers into the
666 fields of a cons cell. See above caveats. */
667 #define XSETCARFASTINT(c,n) XSETFASTINT(XCAR_AS_LVALUE(c),(n))
668 #define XSETCDRFASTINT(c,n) XSETFASTINT(XCDR_AS_LVALUE(c),(n))
670 /* Take the car or cdr of something whose type is not known. */
672 (CONSP ((c)) ? XCAR ((c)) \
673 : NILP ((c)) ? Qnil \
674 : wrong_type_argument (Qlistp, (c)))
677 (CONSP ((c)) ? XCDR ((c)) \
678 : NILP ((c)) ? Qnil \
679 : wrong_type_argument (Qlistp, (c)))
681 /* Take the car or cdr of something whose type is not known. */
682 #define CAR_SAFE(c) \
683 (CONSP ((c)) ? XCAR ((c)) : Qnil)
685 #define CDR_SAFE(c) \
686 (CONSP ((c)) ? XCDR ((c)) : Qnil)
688 /* Nonzero if STR is a multibyte string. */
689 #define STRING_MULTIBYTE(STR) \
690 (XSTRING (STR)->size_byte >= 0)
692 /* Return the length in bytes of STR. */
694 #ifdef GC_CHECK_STRING_BYTES
697 extern int string_bytes
P_ ((struct Lisp_String
*));
698 #define STRING_BYTES(S) string_bytes ((S))
700 #else /* not GC_CHECK_STRING_BYTES */
702 #define STRING_BYTES(STR) \
703 ((STR)->size_byte < 0 ? (STR)->size : (STR)->size_byte)
705 #endif /* not GC_CHECK_STRING_BYTES */
707 /* Mark STR as a unibyte string. */
708 #define STRING_SET_UNIBYTE(STR) \
709 do { if (EQ (STR, empty_multibyte_string)) \
710 (STR) = empty_unibyte_string; \
711 else XSTRING (STR)->size_byte = -1; } while (0)
713 /* Get text properties. */
714 #define STRING_INTERVALS(STR) (XSTRING (STR)->intervals + 0)
716 /* Set text properties. */
717 #define STRING_SET_INTERVALS(STR, INT) (XSTRING (STR)->intervals = (INT))
719 /* In a string or vector, the sign bit of the `size' is the gc mark bit */
725 INTERVAL intervals
; /* text properties in this string */
730 #define OFFSETOF(type,field) offsetof(type,field)
732 #define OFFSETOF(type,field) \
733 ((int)((char*)&((type*)0)->field - (char*)0))
739 struct Lisp_Vector
*next
;
740 Lisp_Object contents
[1];
743 /* If a struct is made to look like a vector, this macro returns the length
744 of the shortest vector that would hold that struct. */
745 #define VECSIZE(type) ((sizeof (type) \
746 - OFFSETOF (struct Lisp_Vector, contents[0]) \
747 + sizeof(Lisp_Object) - 1) /* round up */ \
748 / sizeof (Lisp_Object))
750 /* Like VECSIZE, but used when the pseudo-vector has non-Lisp_Object fields
751 at the end and we need to compute the number of Lisp_Object fields (the
752 ones that the GC needs to trace). */
753 #define PSEUDOVECSIZE(type, nonlispfield) \
754 ((OFFSETOF(type, nonlispfield) - OFFSETOF(struct Lisp_Vector, contents[0])) \
755 / sizeof (Lisp_Object))
757 /* A char table is a kind of vectorlike, with contents are like a
758 vector but with a few other slots. For some purposes, it makes
759 sense to handle a chartable with type struct Lisp_Vector. An
760 element of a char table can be any Lisp objects, but if it is a sub
761 char-table, we treat it a table that contains information of a
762 group of characters of the same charsets or a specific character of
763 a charset. A sub char-table has the same structure as a char table
764 except for that the former omits several slots at the tail. A sub
765 char table appears only in an element of a char table, and there's
766 no way to access it directly from Emacs Lisp program. */
768 /* This is the number of slots that apply to characters or character
769 sets. The first 128 are for ASCII, the next 128 are for 8-bit
770 European characters, and the last 128 are for multibyte characters.
771 The first 256 are indexed by the code itself, but the last 128 are
772 indexed by (charset-id + 128). */
773 #define CHAR_TABLE_ORDINARY_SLOTS 384
775 /* These are the slot of the default values for single byte
776 characters. As 0x9A is never be a charset-id, it is safe to use
777 that slot for ASCII. 0x9E and 0x80 are charset-ids of
778 eight-bit-control and eight-bit-graphic respectively. */
779 #define CHAR_TABLE_DEFAULT_SLOT_ASCII (0x9A + 128)
780 #define CHAR_TABLE_DEFAULT_SLOT_8_BIT_CONTROL (0x9E + 128)
781 #define CHAR_TABLE_DEFAULT_SLOT_8_BIT_GRAPHIC (0x80 + 128)
783 /* This is the number of slots that apply to characters of ASCII and
784 8-bit Europeans only. */
785 #define CHAR_TABLE_SINGLE_BYTE_SLOTS 256
787 /* This is the number of slots that every char table must have. This
788 counts the ordinary slots and the top, defalt, parent, and purpose
790 #define CHAR_TABLE_STANDARD_SLOTS (CHAR_TABLE_ORDINARY_SLOTS + 4)
792 /* This is the number of slots that apply to position-code-1 and
793 position-code-2 of a multibyte character at the 2nd and 3rd level
794 sub char tables respectively. */
795 #define SUB_CHAR_TABLE_ORDINARY_SLOTS 128
797 /* This is the number of slots that every sub char table must have.
798 This counts the ordinary slots and the top and defalt slot. */
799 #define SUB_CHAR_TABLE_STANDARD_SLOTS (SUB_CHAR_TABLE_ORDINARY_SLOTS + 2)
801 /* Return the number of "extra" slots in the char table CT. */
803 #define CHAR_TABLE_EXTRA_SLOTS(CT) \
804 (((CT)->size & PSEUDOVECTOR_SIZE_MASK) - CHAR_TABLE_STANDARD_SLOTS)
806 /* Almost equivalent to Faref (CT, IDX) with optimization for ASCII
807 and 8-bit Europeans characters. For these characters, do not check
808 validity of CT. Do not follow parent. */
809 #define CHAR_TABLE_REF(CT, IDX) \
810 ((IDX) >= 0 && (IDX) < CHAR_TABLE_SINGLE_BYTE_SLOTS \
811 ? (!NILP (XCHAR_TABLE (CT)->contents[IDX]) \
812 ? XCHAR_TABLE (CT)->contents[IDX] \
813 : XCHAR_TABLE (CT)->defalt) \
814 : Faref (CT, make_number (IDX)))
816 /* Almost equivalent to Faref (CT, IDX) with optimization for ASCII
817 and 8-bit Europeans characters. However, if the result is nil,
820 For these characters, do not check validity of CT
821 and do not follow parent. */
822 #define CHAR_TABLE_TRANSLATE(CT, IDX) \
823 ((IDX) < CHAR_TABLE_SINGLE_BYTE_SLOTS \
824 ? (!NILP (XCHAR_TABLE (CT)->contents[IDX]) \
825 ? XINT (XCHAR_TABLE (CT)->contents[IDX]) \
827 : char_table_translate (CT, IDX))
829 /* Equivalent to Faset (CT, IDX, VAL) with optimization for ASCII and
830 8-bit Europeans characters. Do not check validity of CT. */
831 #define CHAR_TABLE_SET(CT, IDX, VAL) \
833 if (XFASTINT (IDX) < CHAR_TABLE_SINGLE_BYTE_SLOTS) \
834 XCHAR_TABLE (CT)->contents[XFASTINT (IDX)] = VAL; \
836 Faset (CT, IDX, VAL); \
839 struct Lisp_Char_Table
841 /* This is the vector's size field, which also holds the
842 pseudovector type information. It holds the size, too.
843 The size counts the top, defalt, purpose, and parent slots.
844 The last three are not counted if this is a sub char table. */
846 struct Lisp_Vector
*next
;
847 /* This holds a flag to tell if this is a top level char table (t)
848 or a sub char table (nil). */
850 /* This holds a default value,
851 which is used whenever the value for a specific character is nil. */
853 /* This holds an actual value of each element. A sub char table
854 has only SUB_CHAR_TABLE_ORDINARY_SLOTS number of elements. */
855 Lisp_Object contents
[CHAR_TABLE_ORDINARY_SLOTS
];
857 /* A sub char table doesn't has the following slots. */
859 /* This points to another char table, which we inherit from
860 when the value for a specific character is nil.
861 The `defalt' slot takes precedence over this. */
863 /* This should be a symbol which says what kind of use
864 this char-table is meant for.
865 Typically now the values can be `syntax-table' and `display-table'. */
867 /* These hold additional data. */
868 Lisp_Object extras
[1];
871 /* A boolvector is a kind of vectorlike, with contents are like a string. */
872 struct Lisp_Bool_Vector
874 /* This is the vector's size field. It doesn't have the real size,
875 just the subtype information. */
876 EMACS_INT vector_size
;
877 struct Lisp_Vector
*next
;
878 /* This is the size in bits. */
880 /* This contains the actual bits, packed into bytes. */
881 unsigned char data
[1];
884 /* This structure describes a built-in function.
885 It is generated by the DEFUN macro only.
886 defsubr makes it into a Lisp object.
888 This type is treated in most respects as a pseudovector,
889 but since we never dynamically allocate or free them,
890 we don't need a next-vector field. */
895 Lisp_Object (*function
) ();
896 short min_args
, max_args
;
903 /***********************************************************************
905 ***********************************************************************/
907 /* Interned state of a symbol. */
911 SYMBOL_UNINTERNED
= 0,
913 SYMBOL_INTERNED_IN_INITIAL_OBARRAY
= 2
916 /* In a symbol, the markbit of the plist is used as the gc mark bit */
920 unsigned gcmarkbit
: 1;
922 /* Non-zero means symbol serves as a variable alias. The symbol
923 holding the real value is found in the value slot. */
924 unsigned indirect_variable
: 1;
926 /* Non-zero means symbol is constant, i.e. changing its value
927 should signal an error. */
928 unsigned constant
: 1;
930 /* Interned state of the symbol. This is an enumerator from
931 enum symbol_interned. */
932 unsigned interned
: 2;
934 /* The symbol's name, as a Lisp string.
936 The name "xname" is used to intentionally break code referring to
937 the old field "name" of type pointer to struct Lisp_String. */
940 /* Value of the symbol or Qunbound if unbound. If this symbol is a
941 defvaralias, `value' contains the symbol for which it is an
942 alias. Use the SYMBOL_VALUE and SET_SYMBOL_VALUE macros to get
943 and set a symbol's value, to take defvaralias into account. */
946 /* Function value of the symbol or Qunbound if not fboundp. */
947 Lisp_Object function
;
949 /* The symbol's property list. */
952 /* Next symbol in obarray bucket, if the symbol is interned. */
953 struct Lisp_Symbol
*next
;
956 /* Value is name of symbol. */
958 #define SYMBOL_NAME(sym) \
959 LISP_MAKE_RVALUE (XSYMBOL (sym)->xname)
961 /* Value is non-zero if SYM is an interned symbol. */
963 #define SYMBOL_INTERNED_P(sym) \
964 (XSYMBOL (sym)->interned != SYMBOL_UNINTERNED)
966 /* Value is non-zero if SYM is interned in initial_obarray. */
968 #define SYMBOL_INTERNED_IN_INITIAL_OBARRAY_P(sym) \
969 (XSYMBOL (sym)->interned == SYMBOL_INTERNED_IN_INITIAL_OBARRAY)
971 /* Value is non-zero if symbol is considered a constant, i.e. its
972 value cannot be changed (there is an exception for keyword symbols,
973 whose value can be set to the keyword symbol itself). */
975 #define SYMBOL_CONSTANT_P(sym) XSYMBOL (sym)->constant
977 /* Value is the value of SYM, with defvaralias taken into
980 #define SYMBOL_VALUE(sym) \
981 (XSYMBOL (sym)->indirect_variable \
982 ? XSYMBOL (indirect_variable (sym))->value \
983 : XSYMBOL (sym)->value)
985 /* Set SYM's value to VAL, taking defvaralias into account. */
987 #define SET_SYMBOL_VALUE(sym, val) \
989 if (XSYMBOL (sym)->indirect_variable) \
990 XSYMBOL (indirect_variable ((sym)))->value = (val); \
992 XSYMBOL (sym)->value = (val); \
996 /***********************************************************************
998 ***********************************************************************/
1000 /* The structure of a Lisp hash table. */
1002 struct Lisp_Hash_Table
1004 /* Vector fields. The hash table code doesn't refer to these. */
1006 struct Lisp_Vector
*vec_next
;
1008 /* Function used to compare keys. */
1011 /* Nil if table is non-weak. Otherwise a symbol describing the
1012 weakness of the table. */
1015 /* When the table is resized, and this is an integer, compute the
1016 new size by adding this to the old size. If a float, compute the
1017 new size by multiplying the old size with this factor. */
1018 Lisp_Object rehash_size
;
1020 /* Resize hash table when number of entries/ table size is >= this
1022 Lisp_Object rehash_threshold
;
1024 /* Number of key/value entries in the table. */
1027 /* Vector of keys and values. The key of item I is found at index
1028 2 * I, the value is found at index 2 * I + 1. */
1029 Lisp_Object key_and_value
;
1031 /* Vector of hash codes.. If hash[I] is nil, this means that that
1032 entry I is unused. */
1035 /* Vector used to chain entries. If entry I is free, next[I] is the
1036 entry number of the next free item. If entry I is non-free,
1037 next[I] is the index of the next entry in the collision chain. */
1040 /* Index of first free entry in free list. */
1041 Lisp_Object next_free
;
1043 /* Bucket vector. A non-nil entry is the index of the first item in
1044 a collision chain. This vector's size can be larger than the
1045 hash table size to reduce collisions. */
1048 /* User-supplied hash function, or nil. */
1049 Lisp_Object user_hash_function
;
1051 /* User-supplied key comparison function, or nil. */
1052 Lisp_Object user_cmp_function
;
1054 /* Next weak hash table if this is a weak hash table. The head
1055 of the list is in weak_hash_tables. */
1056 struct Lisp_Hash_Table
*next_weak
;
1058 /* C function to compare two keys. */
1059 int (* cmpfn
) P_ ((struct Lisp_Hash_Table
*, Lisp_Object
,
1060 unsigned, Lisp_Object
, unsigned));
1062 /* C function to compute hash code. */
1063 unsigned (* hashfn
) P_ ((struct Lisp_Hash_Table
*, Lisp_Object
));
1067 #define XHASH_TABLE(OBJ) \
1068 ((struct Lisp_Hash_Table *) XPNTR (OBJ))
1070 #define XSET_HASH_TABLE(VAR, PTR) \
1071 (XSETPSEUDOVECTOR (VAR, PTR, PVEC_HASH_TABLE))
1073 #define HASH_TABLE_P(OBJ) PSEUDOVECTORP (OBJ, PVEC_HASH_TABLE)
1074 #define GC_HASH_TABLE_P(x) GC_PSEUDOVECTORP (x, PVEC_HASH_TABLE)
1076 #define CHECK_HASH_TABLE(x) \
1077 CHECK_TYPE (HASH_TABLE_P (x), Qhash_table_p, x)
1079 /* Value is the key part of entry IDX in hash table H. */
1081 #define HASH_KEY(H, IDX) AREF ((H)->key_and_value, 2 * (IDX))
1083 /* Value is the value part of entry IDX in hash table H. */
1085 #define HASH_VALUE(H, IDX) AREF ((H)->key_and_value, 2 * (IDX) + 1)
1087 /* Value is the index of the next entry following the one at IDX
1090 #define HASH_NEXT(H, IDX) AREF ((H)->next, (IDX))
1092 /* Value is the hash code computed for entry IDX in hash table H. */
1094 #define HASH_HASH(H, IDX) AREF ((H)->hash, (IDX))
1096 /* Value is the index of the element in hash table H that is the
1097 start of the collision list at index IDX in the index vector of H. */
1099 #define HASH_INDEX(H, IDX) AREF ((H)->index, (IDX))
1101 /* Value is the size of hash table H. */
1103 #define HASH_TABLE_SIZE(H) XVECTOR ((H)->next)->size
1105 /* Default size for hash tables if not specified. */
1107 #define DEFAULT_HASH_SIZE 65
1109 /* Default threshold specifying when to resize a hash table. The
1110 value gives the ratio of current entries in the hash table and the
1111 size of the hash table. */
1113 #define DEFAULT_REHASH_THRESHOLD 0.8
1115 /* Default factor by which to increase the size of a hash table. */
1117 #define DEFAULT_REHASH_SIZE 1.5
1120 /* These structures are used for various misc types. */
1124 int type
: 16; /* = Lisp_Misc_Marker */
1125 unsigned gcmarkbit
: 1;
1127 /* 1 means normal insertion at the marker's position
1128 leaves the marker after the inserted text. */
1129 unsigned int insertion_type
: 1;
1130 /* This is the buffer that the marker points into,
1131 or 0 if it points nowhere. */
1132 struct buffer
*buffer
;
1134 /* The remaining fields are meaningless in a marker that
1135 does not point anywhere. */
1137 /* For markers that point somewhere,
1138 this is used to chain of all the markers in a given buffer. */
1139 struct Lisp_Marker
*next
;
1140 /* This is the char position where the marker points. */
1142 /* This is the byte position. */
1146 /* Forwarding pointer to an int variable.
1147 This is allowed only in the value cell of a symbol,
1148 and it means that the symbol's value really lives in the
1149 specified int variable. */
1152 int type
: 16; /* = Lisp_Misc_Intfwd */
1153 unsigned gcmarkbit
: 1;
1158 /* Boolean forwarding pointer to an int variable.
1159 This is like Lisp_Intfwd except that the ostensible
1160 "value" of the symbol is t if the int variable is nonzero,
1161 nil if it is zero. */
1164 int type
: 16; /* = Lisp_Misc_Boolfwd */
1165 unsigned gcmarkbit
: 1;
1170 /* Forwarding pointer to a Lisp_Object variable.
1171 This is allowed only in the value cell of a symbol,
1172 and it means that the symbol's value really lives in the
1173 specified variable. */
1176 int type
: 16; /* = Lisp_Misc_Objfwd */
1177 unsigned gcmarkbit
: 1;
1179 Lisp_Object
*objvar
;
1182 /* Like Lisp_Objfwd except that value lives in a slot in the
1183 current buffer. Value is byte index of slot within buffer. */
1184 struct Lisp_Buffer_Objfwd
1186 int type
: 16; /* = Lisp_Misc_Buffer_Objfwd */
1187 unsigned gcmarkbit
: 1;
1192 /* struct Lisp_Buffer_Local_Value is used in a symbol value cell when
1193 the symbol has buffer-local or frame-local bindings. (Exception:
1194 some buffer-local variables are built-in, with their values stored
1195 in the buffer structure itself. They are handled differently,
1196 using struct Lisp_Buffer_Objfwd.)
1198 The `realvalue' slot holds the variable's current value, or a
1199 forwarding pointer to where that value is kept. This value is the
1200 one that corresponds to the loaded binding. To read or set the
1201 variable, you must first make sure the right binding is loaded;
1202 then you can access the value in (or through) `realvalue'.
1204 `buffer' and `frame' are the buffer and frame for which the loaded
1205 binding was found. If those have changed, to make sure the right
1206 binding is loaded it is necessary to find which binding goes with
1207 the current buffer and selected frame, then load it. To load it,
1208 first unload the previous binding, then copy the value of the new
1209 binding into `realvalue' (or through it). Also update
1210 LOADED-BINDING to point to the newly loaded binding.
1212 Lisp_Misc_Buffer_Local_Value and Lisp_Misc_Some_Buffer_Local_Value
1213 both use this kind of structure. With the former, merely setting
1214 the variable creates a local binding for the current buffer. With
1215 the latter, setting the variable does not do that; only
1216 make-local-variable does that. */
1218 struct Lisp_Buffer_Local_Value
1220 int type
: 16; /* = Lisp_Misc_Buffer_Local_Value
1221 or Lisp_Misc_Some_Buffer_Local_Value */
1222 unsigned gcmarkbit
: 1;
1225 /* 1 means this variable is allowed to have frame-local bindings,
1226 so check for them when looking for the proper binding. */
1227 unsigned int check_frame
: 1;
1228 /* 1 means that the binding now loaded was found
1229 as a local binding for the buffer in the `buffer' slot. */
1230 unsigned int found_for_buffer
: 1;
1231 /* 1 means that the binding now loaded was found
1232 as a local binding for the frame in the `frame' slot. */
1233 unsigned int found_for_frame
: 1;
1234 Lisp_Object realvalue
;
1235 /* The buffer and frame for which the loaded binding was found. */
1236 Lisp_Object buffer
, frame
;
1238 /* A cons cell, (LOADED-BINDING . DEFAULT-VALUE).
1240 LOADED-BINDING is the binding now loaded. It is a cons cell
1241 whose cdr is the binding's value. The cons cell may be an
1242 element of a buffer's local-variable alist, or an element of a
1243 frame's parameter alist, or it may be this cons cell.
1245 DEFAULT-VALUE is the variable's default value, seen when the
1246 current buffer and selected frame do not have their own
1247 bindings for the variable. When the default binding is loaded,
1248 LOADED-BINDING is actually this very cons cell; thus, its car
1249 points to itself. */
1253 /* START and END are markers in the overlay's buffer, and
1254 PLIST is the overlay's property list. */
1257 int type
: 16; /* = Lisp_Misc_Overlay */
1258 unsigned gcmarkbit
: 1;
1260 struct Lisp_Overlay
*next
;
1261 Lisp_Object start
, end
, plist
;
1264 /* Like Lisp_Objfwd except that value lives in a slot in the
1266 struct Lisp_Kboard_Objfwd
1268 int type
: 16; /* = Lisp_Misc_Kboard_Objfwd */
1269 unsigned gcmarkbit
: 1;
1274 /* Hold a C pointer for later use.
1275 This type of object is used in the arg to record_unwind_protect. */
1276 struct Lisp_Save_Value
1278 int type
: 16; /* = Lisp_Misc_Save_Value */
1279 unsigned gcmarkbit
: 1;
1281 /* If DOGC is set, POINTER is the address of a memory
1282 area containing INTEGER potential Lisp_Objects. */
1283 unsigned int dogc
: 1;
1289 /* A miscellaneous object, when it's on the free list. */
1292 int type
: 16; /* = Lisp_Misc_Free */
1293 unsigned gcmarkbit
: 1;
1295 union Lisp_Misc
*chain
;
1297 /* Try to make sure that sizeof(Lisp_Misc) preserves TYPEBITS-alignment.
1298 This assumes that Lisp_Marker is the largest of the alternatives and
1299 that Lisp_Intfwd has the same size as "Lisp_Free w/o padding". */
1300 char padding
[((((sizeof (struct Lisp_Marker
) - 1) >> GCTYPEBITS
) + 1)
1301 << GCTYPEBITS
) - sizeof (struct Lisp_Intfwd
)];
1305 /* To get the type field of a union Lisp_Misc, use XMISCTYPE.
1306 It uses one of these struct subtypes to get the type field. */
1310 struct Lisp_Free u_free
;
1311 struct Lisp_Marker u_marker
;
1312 struct Lisp_Intfwd u_intfwd
;
1313 struct Lisp_Boolfwd u_boolfwd
;
1314 struct Lisp_Objfwd u_objfwd
;
1315 struct Lisp_Buffer_Objfwd u_buffer_objfwd
;
1316 struct Lisp_Buffer_Local_Value u_buffer_local_value
;
1317 struct Lisp_Overlay u_overlay
;
1318 struct Lisp_Kboard_Objfwd u_kboard_objfwd
;
1319 struct Lisp_Save_Value u_save_value
;
1322 /* Lisp floating point type */
1327 #ifdef HIDE_LISP_IMPLEMENTATION
1332 struct Lisp_Float
*chain
;
1336 #ifdef HIDE_LISP_IMPLEMENTATION
1337 #define XFLOAT_DATA(f) (XFLOAT (f)->u.data_)
1339 #define XFLOAT_DATA(f) (XFLOAT (f)->u.data)
1342 /* A character, declared with the following typedef, is a member
1343 of some character set associated with the current buffer. */
1344 #ifndef _UCHAR_T /* Protect against something in ctab.h on AIX. */
1346 typedef unsigned char UCHAR
;
1349 /* Meanings of slots in a Lisp_Compiled: */
1351 #define COMPILED_ARGLIST 0
1352 #define COMPILED_BYTECODE 1
1353 #define COMPILED_CONSTANTS 2
1354 #define COMPILED_STACK_DEPTH 3
1355 #define COMPILED_DOC_STRING 4
1356 #define COMPILED_INTERACTIVE 5
1358 /* Flag bits in a character. These also get used in termhooks.h.
1359 Richard Stallman <rms@gnu.ai.mit.edu> thinks that MULE
1360 (MUlti-Lingual Emacs) might need 22 bits for the character value
1361 itself, so we probably shouldn't use any bits lower than 0x0400000. */
1362 #define CHAR_ALT (0x0400000)
1363 #define CHAR_SUPER (0x0800000)
1364 #define CHAR_HYPER (0x1000000)
1365 #define CHAR_SHIFT (0x2000000)
1366 #define CHAR_CTL (0x4000000)
1367 #define CHAR_META (0x8000000)
1369 #define CHAR_MODIFIER_MASK \
1370 (CHAR_ALT | CHAR_SUPER | CHAR_HYPER | CHAR_SHIFT | CHAR_CTL | CHAR_META)
1373 /* Actually, the current Emacs uses 19 bits for the character value
1375 #define CHARACTERBITS 19
1377 /* The maximum byte size consumed by push_key_description.
1378 All callers should assure that at least this size of memory is
1379 allocated at the place pointed by the second argument.
1381 Thers are 6 modifiers, each consumes 2 chars.
1382 The octal form of a character code consumes
1383 (1 + CHARACTERBITS / 3 + 1) chars (including backslash at the head).
1384 We need one more byte for string terminator `\0'. */
1385 #define KEY_DESCRIPTION_SIZE ((2 * 6) + 1 + (CHARACTERBITS / 3) + 1 + 1)
1387 #ifdef USE_X_TOOLKIT
1388 #ifdef NO_UNION_TYPE
1389 /* Use this for turning a (void *) into a Lisp_Object, as when the
1390 Lisp_Object is passed into a toolkit callback function. */
1391 #define VOID_TO_LISP(larg,varg) \
1392 do { ((larg) = ((Lisp_Object) (varg))); } while (0)
1393 #define CVOID_TO_LISP VOID_TO_LISP
1395 /* Use this for turning a Lisp_Object into a (void *), as when the
1396 Lisp_Object is passed into a toolkit callback function. */
1397 #define LISP_TO_VOID(larg) ((void *) (larg))
1398 #define LISP_TO_CVOID(varg) ((const void *) (larg))
1400 #else /* not NO_UNION_TYPE */
1401 /* Use this for turning a (void *) into a Lisp_Object, as when the
1402 Lisp_Object is passed into a toolkit callback function. */
1403 #define VOID_TO_LISP(larg,varg) \
1404 do { ((larg).v = (void *) (varg)); } while (0)
1405 #define CVOID_TO_LISP(larg,varg) \
1406 do { ((larg).cv = (const void *) (varg)); } while (0)
1408 /* Use this for turning a Lisp_Object into a (void *), as when the
1409 Lisp_Object is passed into a toolkit callback function. */
1410 #define LISP_TO_VOID(larg) ((larg).v)
1411 #define LISP_TO_CVOID(larg) ((larg).cv)
1412 #endif /* not NO_UNION_TYPE */
1413 #endif /* USE_X_TOOLKIT */
1416 /* The glyph datatype, used to represent characters on the display. */
1418 /* Glyph code to use as an index to the glyph table. If it is out of
1419 range for the glyph table, or the corresonding element in the table
1420 is nil, the low 8 bits are the single byte character code, and the
1421 bits above are the numeric face ID. If FID is the face ID of a
1422 glyph on a frame F, then F->display.x->faces[FID] contains the
1423 description of that face. This is an int instead of a short, so we
1424 can support a good bunch of face ID's (2^(31 - 8)); given that we
1425 have no mechanism for tossing unused frame face ID's yet, we'll
1426 probably run out of 255 pretty quickly.
1427 This is always -1 for a multibyte character. */
1430 /* Mask bits for face. */
1431 #define GLYPH_MASK_FACE 0x7FF80000
1432 /* Mask bits for character code. */
1433 #define GLYPH_MASK_CHAR 0x0007FFFF /* The lowest 19 bits */
1435 /* The FAST macros assume that we already know we're in an X window. */
1437 /* Set a character code and a face ID in a glyph G. */
1438 #define FAST_MAKE_GLYPH(char, face) ((char) | ((face) << CHARACTERBITS))
1440 /* Return a glyph's character code. */
1441 #define FAST_GLYPH_CHAR(glyph) ((glyph) & GLYPH_MASK_CHAR)
1443 /* Return a glyph's face ID. */
1444 #define FAST_GLYPH_FACE(glyph) (((glyph) & GLYPH_MASK_FACE) >> CHARACTERBITS)
1446 /* Slower versions that test the frame type first. */
1447 #define MAKE_GLYPH(f, char, face) (FAST_MAKE_GLYPH (char, face))
1448 #define GLYPH_CHAR(f, g) (FAST_GLYPH_CHAR (g))
1449 #define GLYPH_FACE(f, g) (FAST_GLYPH_FACE (g))
1451 /* Return 1 if GLYPH contains valid character code. */
1452 #define GLYPH_CHAR_VALID_P(glyph) CHAR_VALID_P (FAST_GLYPH_CHAR (glyph), 1)
1454 /* The ID of the mode line highlighting face. */
1455 #define GLYPH_MODE_LINE_FACE 1
1457 /* Data type checking */
1459 #define NILP(x) EQ (x, Qnil)
1460 #define GC_NILP(x) GC_EQ (x, Qnil)
1462 #define NUMBERP(x) (INTEGERP (x) || FLOATP (x))
1463 #define GC_NUMBERP(x) (GC_INTEGERP (x) || GC_FLOATP (x))
1464 #define NATNUMP(x) (INTEGERP (x) && XINT (x) >= 0)
1465 #define GC_NATNUMP(x) (GC_INTEGERP (x) && XINT (x) >= 0)
1467 #define INTEGERP(x) (XTYPE ((x)) == Lisp_Int)
1468 #define GC_INTEGERP(x) INTEGERP (x)
1469 #define SYMBOLP(x) (XTYPE ((x)) == Lisp_Symbol)
1470 #define GC_SYMBOLP(x) (XGCTYPE ((x)) == Lisp_Symbol)
1471 #define MISCP(x) (XTYPE ((x)) == Lisp_Misc)
1472 #define GC_MISCP(x) (XGCTYPE ((x)) == Lisp_Misc)
1473 #define VECTORLIKEP(x) (XTYPE ((x)) == Lisp_Vectorlike)
1474 #define GC_VECTORLIKEP(x) (XGCTYPE ((x)) == Lisp_Vectorlike)
1475 #define STRINGP(x) (XTYPE ((x)) == Lisp_String)
1476 #define GC_STRINGP(x) (XGCTYPE ((x)) == Lisp_String)
1477 #define CONSP(x) (XTYPE ((x)) == Lisp_Cons)
1478 #define GC_CONSP(x) (XGCTYPE ((x)) == Lisp_Cons)
1480 #define FLOATP(x) (XTYPE ((x)) == Lisp_Float)
1481 #define GC_FLOATP(x) (XGCTYPE ((x)) == Lisp_Float)
1482 #define VECTORP(x) (VECTORLIKEP (x) && !(XVECTOR (x)->size & PSEUDOVECTOR_FLAG))
1483 #define GC_VECTORP(x) (GC_VECTORLIKEP (x) && !(XVECTOR (x)->size & PSEUDOVECTOR_FLAG))
1484 #define OVERLAYP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Overlay)
1485 #define GC_OVERLAYP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Overlay)
1486 #define MARKERP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Marker)
1487 #define GC_MARKERP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Marker)
1488 #define INTFWDP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Intfwd)
1489 #define GC_INTFWDP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Intfwd)
1490 #define BOOLFWDP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Boolfwd)
1491 #define GC_BOOLFWDP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Boolfwd)
1492 #define OBJFWDP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Objfwd)
1493 #define GC_OBJFWDP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Objfwd)
1494 #define BUFFER_OBJFWDP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Buffer_Objfwd)
1495 #define GC_BUFFER_OBJFWDP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Buffer_Objfwd)
1496 #define BUFFER_LOCAL_VALUEP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Buffer_Local_Value)
1497 #define GC_BUFFER_LOCAL_VALUEP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Buffer_Local_Value)
1498 #define SOME_BUFFER_LOCAL_VALUEP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Some_Buffer_Local_Value)
1499 #define GC_SOME_BUFFER_LOCAL_VALUEP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Some_Buffer_Local_Value)
1500 #define KBOARD_OBJFWDP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Kboard_Objfwd)
1501 #define GC_KBOARD_OBJFWDP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Kboard_Objfwd)
1504 /* True if object X is a pseudovector whose code is CODE. */
1505 #define PSEUDOVECTORP(x, code) \
1507 && (((XVECTOR (x)->size & (PSEUDOVECTOR_FLAG | (code)))) \
1508 == (PSEUDOVECTOR_FLAG | (code))))
1510 /* True if object X is a pseudovector whose code is CODE.
1511 This one works during GC. */
1512 #define GC_PSEUDOVECTORP(x, code) \
1513 (GC_VECTORLIKEP (x) \
1514 && (((XVECTOR (x)->size & (PSEUDOVECTOR_FLAG | (code)))) \
1515 == (PSEUDOVECTOR_FLAG | (code))))
1517 /* Test for specific pseudovector types. */
1518 #define WINDOW_CONFIGURATIONP(x) PSEUDOVECTORP (x, PVEC_WINDOW_CONFIGURATION)
1519 #define GC_WINDOW_CONFIGURATIONP(x) GC_PSEUDOVECTORP (x, PVEC_WINDOW_CONFIGURATION)
1520 #define PROCESSP(x) PSEUDOVECTORP (x, PVEC_PROCESS)
1521 #define GC_PROCESSP(x) GC_PSEUDOVECTORP (x, PVEC_PROCESS)
1522 #define WINDOWP(x) PSEUDOVECTORP (x, PVEC_WINDOW)
1523 #define GC_WINDOWP(x) GC_PSEUDOVECTORP (x, PVEC_WINDOW)
1524 #define TERMINALP(x) PSEUDOVECTORP (x, PVEC_TERMINAL)
1525 #define GC_TERMINALP(x) GC_PSEUDOVECTORP (x, PVEC_TERMINAL)
1526 #define SUBRP(x) PSEUDOVECTORP (x, PVEC_SUBR)
1527 #define GC_SUBRP(x) GC_PSEUDOVECTORP (x, PVEC_SUBR)
1528 #define COMPILEDP(x) PSEUDOVECTORP (x, PVEC_COMPILED)
1529 #define GC_COMPILEDP(x) GC_PSEUDOVECTORP (x, PVEC_COMPILED)
1530 #define BUFFERP(x) PSEUDOVECTORP (x, PVEC_BUFFER)
1531 #define GC_BUFFERP(x) GC_PSEUDOVECTORP (x, PVEC_BUFFER)
1532 #define CHAR_TABLE_P(x) PSEUDOVECTORP (x, PVEC_CHAR_TABLE)
1533 #define GC_CHAR_TABLE_P(x) GC_PSEUDOVECTORP (x, PVEC_CHAR_TABLE)
1534 #define BOOL_VECTOR_P(x) PSEUDOVECTORP (x, PVEC_BOOL_VECTOR)
1535 #define GC_BOOL_VECTOR_P(x) GC_PSEUDOVECTORP (x, PVEC_BOOL_VECTOR)
1536 #define FRAMEP(x) PSEUDOVECTORP (x, PVEC_FRAME)
1537 #define GC_FRAMEP(x) GC_PSEUDOVECTORP (x, PVEC_FRAME)
1539 #define SUB_CHAR_TABLE_P(x) (CHAR_TABLE_P (x) && NILP (XCHAR_TABLE (x)->top))
1541 /* Test for image (image . spec) */
1542 #define IMAGEP(x) (CONSP (x) && EQ (XCAR (x), Qimage))
1547 (VECTORP (x) || STRINGP (x) || CHAR_TABLE_P (x) || BOOL_VECTOR_P (x))
1549 #define GC_EQ(x, y) EQ (x, y)
1551 #define CHECK_LIST(x) \
1552 CHECK_TYPE (CONSP (x) || NILP (x), Qlistp, x)
1554 #define CHECK_LIST_CONS(x, y) \
1555 CHECK_TYPE (CONSP (x), Qlistp, y)
1557 #define CHECK_LIST_END(x, y) \
1558 CHECK_TYPE (NILP (x), Qlistp, y)
1560 #define CHECK_STRING(x) \
1561 CHECK_TYPE (STRINGP (x), Qstringp, x)
1563 #define CHECK_STRING_CAR(x) \
1564 CHECK_TYPE (STRINGP (XCAR (x)), Qstringp, XCAR (x))
1566 #define CHECK_CONS(x) \
1567 CHECK_TYPE (CONSP (x), Qconsp, x)
1569 #define CHECK_SYMBOL(x) \
1570 CHECK_TYPE (SYMBOLP (x), Qsymbolp, x)
1572 #define CHECK_CHAR_TABLE(x) \
1573 CHECK_TYPE (CHAR_TABLE_P (x), Qchar_table_p, x)
1575 #define CHECK_VECTOR(x) \
1576 CHECK_TYPE (VECTORP (x), Qvectorp, x)
1578 #define CHECK_VECTOR_OR_STRING(x) \
1579 CHECK_TYPE (VECTORP (x) || STRINGP (x), Qarrayp, x)
1581 #define CHECK_ARRAY(x, Qxxxp) \
1582 CHECK_TYPE (ARRAYP (x), Qxxxp, x)
1584 #define CHECK_VECTOR_OR_CHAR_TABLE(x) \
1585 CHECK_TYPE (VECTORP (x) || CHAR_TABLE_P (x), Qvector_or_char_table_p, x)
1587 #define CHECK_BUFFER(x) \
1588 CHECK_TYPE (BUFFERP (x), Qbufferp, x)
1590 #define CHECK_WINDOW(x) \
1591 CHECK_TYPE (WINDOWP (x), Qwindowp, x)
1593 #define CHECK_WINDOW_CONFIGURATION(x) \
1594 CHECK_TYPE (WINDOW_CONFIGURATIONP (x), Qwindow_configuration_p, x)
1596 /* This macro rejects windows on the interior of the window tree as
1597 "dead", which is what we want; this is an argument-checking macro, and
1598 the user should never get access to interior windows.
1600 A window of any sort, leaf or interior, is dead if the buffer,
1601 vchild, and hchild members are all nil. */
1603 #define CHECK_LIVE_WINDOW(x) \
1604 CHECK_TYPE (WINDOWP (x) && !NILP (XWINDOW (x)->buffer), Qwindow_live_p, x)
1606 #define CHECK_PROCESS(x) \
1607 CHECK_TYPE (PROCESSP (x), Qprocessp, x)
1609 #define CHECK_SUBR(x) \
1610 CHECK_TYPE (SUBRP (x), Qsubrp, x)
1612 #define CHECK_NUMBER(x) \
1613 CHECK_TYPE (INTEGERP (x), Qintegerp, x)
1615 #define CHECK_NATNUM(x) \
1616 CHECK_TYPE (NATNUMP (x), Qwholenump, x)
1618 #define CHECK_MARKER(x) \
1619 CHECK_TYPE (MARKERP (x), Qmarkerp, x)
1621 #define CHECK_NUMBER_COERCE_MARKER(x) \
1622 do { if (MARKERP ((x))) XSETFASTINT (x, marker_position (x)); \
1623 else CHECK_TYPE (INTEGERP (x), Qinteger_or_marker_p, x); } while (0)
1625 #define XFLOATINT(n) extract_float((n))
1627 #define CHECK_FLOAT(x) \
1628 CHECK_TYPE (FLOATP (x), Qfloatp, x)
1630 #define CHECK_NUMBER_OR_FLOAT(x) \
1631 CHECK_TYPE (FLOATP (x) || INTEGERP (x), Qnumberp, x)
1633 #define CHECK_NUMBER_OR_FLOAT_COERCE_MARKER(x) \
1634 do { if (MARKERP (x)) XSETFASTINT (x, marker_position (x)); \
1635 else CHECK_TYPE (INTEGERP (x) || FLOATP (x), Qnumber_or_marker_p, x); } while (0)
1637 #define CHECK_OVERLAY(x) \
1638 CHECK_TYPE (OVERLAYP (x), Qoverlayp, x)
1640 /* Since we can't assign directly to the CAR or CDR fields of a cons
1641 cell, use these when checking that those fields contain numbers. */
1642 #define CHECK_NUMBER_CAR(x) \
1644 Lisp_Object tmp = XCAR (x); \
1645 CHECK_NUMBER (tmp); \
1646 XSETCAR ((x), tmp); \
1649 #define CHECK_NUMBER_CDR(x) \
1651 Lisp_Object tmp = XCDR (x); \
1652 CHECK_NUMBER (tmp); \
1653 XSETCDR ((x), tmp); \
1656 /* Cast pointers to this type to compare them. Some machines want int. */
1657 #ifndef PNTR_COMPARISON_TYPE
1658 #define PNTR_COMPARISON_TYPE EMACS_UINT
1661 /* Define a built-in function for calling from Lisp.
1662 `lname' should be the name to give the function in Lisp,
1663 as a null-terminated C string.
1664 `fnname' should be the name of the function in C.
1665 By convention, it starts with F.
1666 `sname' should be the name for the C constant structure
1667 that records information on this function for internal use.
1668 By convention, it should be the same as `fnname' but with S instead of F.
1669 It's too bad that C macros can't compute this from `fnname'.
1670 `minargs' should be a number, the minimum number of arguments allowed.
1671 `maxargs' should be a number, the maximum number of arguments allowed,
1672 or else MANY or UNEVALLED.
1673 MANY means pass a vector of evaluated arguments,
1674 in the form of an integer number-of-arguments
1675 followed by the address of a vector of Lisp_Objects
1676 which contains the argument values.
1677 UNEVALLED means pass the list of unevaluated arguments
1678 `intspec' says how interactive arguments are to be fetched.
1679 If the string starts with a `(', `intspec' is evaluated and the resulting
1680 list is the list of arguments.
1681 If it's a string that doesn't start with `(', the value should follow
1682 the one of the doc string for `interactive'.
1683 A null string means call interactively with no arguments.
1684 `doc' is documentation for the user. */
1686 #if (!defined (__STDC__) && !defined (PROTOTYPES)) \
1687 || defined (USE_NONANSI_DEFUN)
1689 #define DEFUN(lname, fnname, sname, minargs, maxargs, intspec, doc) \
1690 Lisp_Object fnname (); \
1691 DECL_ALIGN (struct Lisp_Subr, sname) = \
1692 { PVEC_SUBR | (sizeof (struct Lisp_Subr) / sizeof (EMACS_INT)), \
1693 fnname, minargs, maxargs, lname, intspec, 0}; \
1698 /* This version of DEFUN declares a function prototype with the right
1699 arguments, so we can catch errors with maxargs at compile-time. */
1700 #define DEFUN(lname, fnname, sname, minargs, maxargs, intspec, doc) \
1701 Lisp_Object fnname DEFUN_ARGS_ ## maxargs ; \
1702 DECL_ALIGN (struct Lisp_Subr, sname) = \
1703 { PVEC_SUBR | (sizeof (struct Lisp_Subr) / sizeof (EMACS_INT)), \
1704 fnname, minargs, maxargs, lname, intspec, 0}; \
1707 /* Note that the weird token-substitution semantics of ANSI C makes
1708 this work for MANY and UNEVALLED. */
1709 #define DEFUN_ARGS_MANY (int, Lisp_Object *)
1710 #define DEFUN_ARGS_UNEVALLED (Lisp_Object)
1711 #define DEFUN_ARGS_0 (void)
1712 #define DEFUN_ARGS_1 (Lisp_Object)
1713 #define DEFUN_ARGS_2 (Lisp_Object, Lisp_Object)
1714 #define DEFUN_ARGS_3 (Lisp_Object, Lisp_Object, Lisp_Object)
1715 #define DEFUN_ARGS_4 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object)
1716 #define DEFUN_ARGS_5 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, \
1718 #define DEFUN_ARGS_6 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, \
1719 Lisp_Object, Lisp_Object)
1720 #define DEFUN_ARGS_7 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, \
1721 Lisp_Object, Lisp_Object, Lisp_Object)
1722 #define DEFUN_ARGS_8 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, \
1723 Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object)
1726 /* Non-zero if OBJ is a Lisp function. */
1728 #define FUNCTIONP(OBJ) \
1729 ((CONSP (OBJ) && EQ (XCAR (OBJ), Qlambda)) \
1730 || (SYMBOLP (OBJ) && !NILP (Ffboundp (OBJ))) \
1731 || COMPILEDP (OBJ) \
1735 is how we define the symbol for function `name' at start-up time. */
1736 extern void defsubr
P_ ((struct Lisp_Subr
*));
1739 #define UNEVALLED -1
1741 extern void defvar_lisp
P_ ((char *, Lisp_Object
*));
1742 extern void defvar_lisp_nopro
P_ ((char *, Lisp_Object
*));
1743 extern void defvar_bool
P_ ((char *, int *));
1744 extern void defvar_int
P_ ((char *, EMACS_INT
*));
1745 extern void defvar_per_buffer
P_ ((char *, Lisp_Object
*, Lisp_Object
, char *));
1746 extern void defvar_kboard
P_ ((char *, int));
1748 /* Macros we use to define forwarded Lisp variables.
1749 These are used in the syms_of_FILENAME functions. */
1751 #define DEFVAR_LISP(lname, vname, doc) defvar_lisp (lname, vname)
1752 #define DEFVAR_LISP_NOPRO(lname, vname, doc) defvar_lisp_nopro (lname, vname)
1753 #define DEFVAR_BOOL(lname, vname, doc) defvar_bool (lname, vname)
1754 #define DEFVAR_INT(lname, vname, doc) defvar_int (lname, vname)
1756 /* TYPE is nil for a general Lisp variable.
1757 An integer specifies a type; then only LIsp values
1758 with that type code are allowed (except that nil is allowed too).
1759 LNAME is the LIsp-level variable name.
1760 VNAME is the name of the buffer slot.
1761 DOC is a dummy where you write the doc string as a comment. */
1762 #define DEFVAR_PER_BUFFER(lname, vname, type, doc) \
1763 defvar_per_buffer (lname, vname, type, 0)
1765 #define DEFVAR_KBOARD(lname, vname, doc) \
1766 defvar_kboard (lname, \
1767 (int)((char *)(¤t_kboard->vname) \
1768 - (char *)current_kboard))
1772 /* Structure for recording Lisp call stack for backtrace purposes. */
1774 /* The special binding stack holds the outer values of variables while
1775 they are bound by a function application or a let form, stores the
1776 code to be executed for Lisp unwind-protect forms, and stores the C
1777 functions to be called for record_unwind_protect.
1779 If func is non-zero, undoing this binding applies func to old_value;
1780 This implements record_unwind_protect.
1782 Otherwise, the element is a variable binding.
1784 If the symbol field is a symbol, it is an ordinary variable binding.
1786 Otherwise, it should be a structure (SYMBOL WHERE
1787 . CURRENT-BUFFER), which means having bound a local value while
1788 CURRENT-BUFFER was active. If WHERE is nil this means we saw the
1789 default value when binding SYMBOL. WHERE being a buffer or frame
1790 means we saw a buffer-local or frame-local value. Other values of
1791 WHERE mean an internal error. */
1793 typedef Lisp_Object (*specbinding_func
) P_ ((Lisp_Object
));
1797 Lisp_Object symbol
, old_value
;
1798 specbinding_func func
;
1799 Lisp_Object unused
; /* Dividing by 16 is faster than by 12 */
1802 extern struct specbinding
*specpdl
;
1803 extern struct specbinding
*specpdl_ptr
;
1804 extern int specpdl_size
;
1806 extern EMACS_INT max_specpdl_size
;
1808 #define SPECPDL_INDEX() (specpdl_ptr - specpdl)
1810 /* Everything needed to describe an active condition case. */
1813 /* The handler clauses and variable from the condition-case form. */
1814 /* For a handler set up in Lisp code, this is always a list.
1815 For an internal handler set up by internal_condition_case*,
1816 this can instead be the symbol t or `error'.
1817 t: handle all conditions.
1818 error: handle all conditions, and errors can run the debugger
1819 or display a backtrace. */
1820 Lisp_Object handler
;
1822 /* Fsignal stores here the condition-case clause that applies,
1823 and Fcondition_case thus knows which clause to run. */
1824 Lisp_Object chosen_clause
;
1826 /* Used to effect the longjump out to the handler. */
1827 struct catchtag
*tag
;
1829 /* The next enclosing handler. */
1830 struct handler
*next
;
1833 extern struct handler
*handlerlist
;
1835 extern struct catchtag
*catchlist
;
1836 extern struct backtrace
*backtrace_list
;
1838 extern Lisp_Object memory_signal_data
;
1840 /* An address near the bottom of the stack.
1841 Tells GC how to save a copy of the stack. */
1842 extern char *stack_bottom
;
1844 /* Check quit-flag and quit if it is non-nil.
1845 Typing C-g does not directly cause a quit; it only sets Vquit_flag.
1846 So the program needs to do QUIT at times when it is safe to quit.
1847 Every loop that might run for a long time or might not exit
1848 ought to do QUIT at least once, at a safe place.
1849 Unless that is impossible, of course.
1850 But it is very desirable to avoid creating loops where QUIT is impossible.
1852 Exception: if you set immediate_quit to nonzero,
1853 then the handler that responds to the C-g does the quit itself.
1854 This is a good thing to do around a loop that has no side effects
1855 and (in particular) cannot call arbitrary Lisp code. */
1858 extern void handle_async_input
P_ ((void));
1859 extern int interrupt_input_pending
;
1863 if (!NILP (Vquit_flag) && NILP (Vinhibit_quit)) \
1865 Lisp_Object flag = Vquit_flag; \
1866 Vquit_flag = Qnil; \
1867 if (EQ (Vthrow_on_input, flag)) \
1868 Fthrow (Vthrow_on_input, Qt); \
1869 Fsignal (Qquit, Qnil); \
1871 else if (interrupt_input_pending) \
1872 handle_async_input (); \
1875 #else /* not SYNC_INPUT */
1879 if (!NILP (Vquit_flag) && NILP (Vinhibit_quit)) \
1881 Lisp_Object flag = Vquit_flag; \
1882 Vquit_flag = Qnil; \
1883 if (EQ (Vthrow_on_input, flag)) \
1884 Fthrow (Vthrow_on_input, Qt); \
1885 Fsignal (Qquit, Qnil); \
1889 #endif /* not SYNC_INPUT */
1892 /* Nonzero if ought to quit now. */
1894 #define QUITP (!NILP (Vquit_flag) && NILP (Vinhibit_quit))
1896 /* Variables used locally in the following case handling macros. */
1897 extern int case_temp1
;
1898 extern Lisp_Object case_temp2
;
1900 /* Current buffer's map from characters to lower-case characters. */
1902 #define DOWNCASE_TABLE current_buffer->downcase_table
1904 /* Current buffer's map from characters to upper-case characters. */
1906 #define UPCASE_TABLE current_buffer->upcase_table
1908 /* Downcase a character, or make no change if that cannot be done. */
1910 #define DOWNCASE(CH) \
1911 ((case_temp1 = (CH), \
1912 case_temp2 = CHAR_TABLE_REF (DOWNCASE_TABLE, case_temp1), \
1913 NATNUMP (case_temp2)) \
1914 ? XFASTINT (case_temp2) : case_temp1)
1916 /* 1 if CH is upper case. */
1918 #define UPPERCASEP(CH) (DOWNCASE (CH) != (CH))
1920 /* 1 if CH is neither upper nor lower case. */
1922 #define NOCASEP(CH) (UPCASE1 (CH) == (CH))
1924 /* 1 if CH is lower case. */
1926 #define LOWERCASEP(CH) (!UPPERCASEP (CH) && !NOCASEP(CH))
1928 /* Upcase a character, or make no change if that cannot be done. */
1930 #define UPCASE(CH) (!UPPERCASEP (CH) ? UPCASE1 (CH) : (CH))
1932 /* Upcase a character known to be not upper case. */
1934 #define UPCASE1(CH) \
1935 ((case_temp1 = (CH), \
1936 case_temp2 = CHAR_TABLE_REF (UPCASE_TABLE, case_temp1), \
1937 NATNUMP (case_temp2)) \
1938 ? XFASTINT (case_temp2) : case_temp1)
1940 extern Lisp_Object Vascii_downcase_table
, Vascii_upcase_table
;
1941 extern Lisp_Object Vascii_canon_table
, Vascii_eqv_table
;
1943 /* Number of bytes of structure consed since last GC. */
1945 extern int consing_since_gc
;
1947 /* Thresholds for doing another gc. */
1949 extern EMACS_INT gc_cons_threshold
;
1951 extern EMACS_INT gc_relative_threshold
;
1953 extern EMACS_INT memory_full_cons_threshold
;
1955 /* Structure for recording stack slots that need marking. */
1957 /* This is a chain of structures, each of which points at a Lisp_Object variable
1958 whose value should be marked in garbage collection.
1959 Normally every link of the chain is an automatic variable of a function,
1960 and its `val' points to some argument or local variable of the function.
1961 On exit to the function, the chain is set back to the value it had on entry.
1962 This way, no link remains in the chain when the stack frame containing the
1965 Every function that can call Feval must protect in this fashion all
1966 Lisp_Object variables whose contents will be used again. */
1968 extern struct gcpro
*gcprolist
;
1974 /* Address of first protected variable. */
1975 volatile Lisp_Object
*var
;
1977 /* Number of consecutive protected variables. */
1985 /* Values of GC_MARK_STACK during compilation:
1987 0 Use GCPRO as before
1988 1 Do the real thing, make GCPROs and UNGCPRO no-ops.
1989 2 Mark the stack, and check that everything GCPRO'd is
1991 3 Mark using GCPRO's, mark stack last, and count how many
1992 dead objects are kept alive. */
1995 #define GC_USE_GCPROS_AS_BEFORE 0
1996 #define GC_MAKE_GCPROS_NOOPS 1
1997 #define GC_MARK_STACK_CHECK_GCPROS 2
1998 #define GC_USE_GCPROS_CHECK_ZOMBIES 3
2000 #ifndef GC_MARK_STACK
2001 #define GC_MARK_STACK GC_USE_GCPROS_AS_BEFORE
2004 #if GC_MARK_STACK == GC_MAKE_GCPROS_NOOPS
2006 /* Do something silly with gcproN vars just so gcc shuts up. */
2007 /* You get warnings from MIPSPro... */
2009 #define GCPRO1(varname) ((void) gcpro1)
2010 #define GCPRO2(varname1, varname2)(((void) gcpro2, (void) gcpro1))
2011 #define GCPRO3(varname1, varname2, varname3) \
2012 (((void) gcpro3, (void) gcpro2, (void) gcpro1))
2013 #define GCPRO4(varname1, varname2, varname3, varname4) \
2014 (((void) gcpro4, (void) gcpro3, (void) gcpro2, (void) gcpro1))
2015 #define GCPRO5(varname1, varname2, varname3, varname4, varname5) \
2016 (((void) gcpro5, (void) gcpro4, (void) gcpro3, (void) gcpro2, (void) gcpro1))
2017 #define GCPRO6(varname1, varname2, varname3, varname4, varname5, varname6) \
2018 (((void) gcpro6, (void) gcpro5, (void) gcpro4, (void) gcpro3, (void) gcpro2, (void) gcpro1))
2019 #define UNGCPRO ((void) 0)
2021 #else /* GC_MARK_STACK != GC_MAKE_GCPROS_NOOPS */
2025 #define GCPRO1(varname) \
2026 {gcpro1.next = gcprolist; gcpro1.var = &varname; gcpro1.nvars = 1; \
2027 gcprolist = &gcpro1; }
2029 #define GCPRO2(varname1, varname2) \
2030 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
2031 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
2032 gcprolist = &gcpro2; }
2034 #define GCPRO3(varname1, varname2, varname3) \
2035 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
2036 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
2037 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
2038 gcprolist = &gcpro3; }
2040 #define GCPRO4(varname1, varname2, varname3, varname4) \
2041 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
2042 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
2043 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
2044 gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \
2045 gcprolist = &gcpro4; }
2047 #define GCPRO5(varname1, varname2, varname3, varname4, varname5) \
2048 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
2049 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
2050 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
2051 gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \
2052 gcpro5.next = &gcpro4; gcpro5.var = &varname5; gcpro5.nvars = 1; \
2053 gcprolist = &gcpro5; }
2055 #define GCPRO6(varname1, varname2, varname3, varname4, varname5, varname6) \
2056 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
2057 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
2058 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
2059 gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \
2060 gcpro5.next = &gcpro4; gcpro5.var = &varname5; gcpro5.nvars = 1; \
2061 gcpro6.next = &gcpro5; gcpro6.var = &varname6; gcpro6.nvars = 1; \
2062 gcprolist = &gcpro6; }
2064 #define UNGCPRO (gcprolist = gcpro1.next)
2068 extern int gcpro_level
;
2070 #define GCPRO1(varname) \
2071 {gcpro1.next = gcprolist; gcpro1.var = &varname; gcpro1.nvars = 1; \
2072 gcpro1.level = gcpro_level++; \
2073 gcprolist = &gcpro1; }
2075 #define GCPRO2(varname1, varname2) \
2076 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
2077 gcpro1.level = gcpro_level; \
2078 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
2079 gcpro2.level = gcpro_level++; \
2080 gcprolist = &gcpro2; }
2082 #define GCPRO3(varname1, varname2, varname3) \
2083 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
2084 gcpro1.level = gcpro_level; \
2085 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
2086 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
2087 gcpro3.level = gcpro_level++; \
2088 gcprolist = &gcpro3; }
2090 #define GCPRO4(varname1, varname2, varname3, varname4) \
2091 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
2092 gcpro1.level = gcpro_level; \
2093 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
2094 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
2095 gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \
2096 gcpro4.level = gcpro_level++; \
2097 gcprolist = &gcpro4; }
2099 #define GCPRO5(varname1, varname2, varname3, varname4, varname5) \
2100 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
2101 gcpro1.level = gcpro_level; \
2102 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
2103 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
2104 gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \
2105 gcpro5.next = &gcpro4; gcpro5.var = &varname5; gcpro5.nvars = 1; \
2106 gcpro5.level = gcpro_level++; \
2107 gcprolist = &gcpro5; }
2109 #define GCPRO6(varname1, varname2, varname3, varname4, varname5, varname6) \
2110 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
2111 gcpro1.level = gcpro_level; \
2112 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
2113 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
2114 gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \
2115 gcpro5.next = &gcpro4; gcpro5.var = &varname5; gcpro5.nvars = 1; \
2116 gcpro6.next = &gcpro5; gcpro6.var = &varname6; gcpro6.nvars = 1; \
2117 gcpro6.level = gcpro_level++; \
2118 gcprolist = &gcpro6; }
2121 ((--gcpro_level != gcpro1.level) \
2123 : ((gcprolist = gcpro1.next), 0))
2125 #endif /* DEBUG_GCPRO */
2126 #endif /* GC_MARK_STACK != GC_MAKE_GCPROS_NOOPS */
2129 /* Evaluate expr, UNGCPRO, and then return the value of expr. */
2130 #define RETURN_UNGCPRO(expr) \
2133 Lisp_Object ret_ungc_val; \
2134 ret_ungc_val = (expr); \
2136 return ret_ungc_val; \
2140 /* Call staticpro (&var) to protect static variable `var'. */
2142 void staticpro
P_ ((Lisp_Object
*));
2144 /* Declare a Lisp-callable function. The MAXARGS parameter has the same
2145 meaning as in the DEFUN macro, and is used to construct a prototype. */
2146 #if (!defined (__STDC__) && !defined (PROTOTYPES)) \
2147 || defined (USE_NONANSI_DEFUN)
2148 #define EXFUN(fnname, maxargs) \
2149 extern Lisp_Object fnname ()
2151 /* We can use the same trick as in the DEFUN macro to generate the
2152 appropriate prototype. */
2153 #define EXFUN(fnname, maxargs) \
2154 extern Lisp_Object fnname DEFUN_ARGS_ ## maxargs
2157 /* Forward declarations for prototypes. */
2161 /* Defined in data.c */
2162 extern Lisp_Object Qnil
, Qt
, Qquote
, Qlambda
, Qsubr
, Qunbound
;
2163 extern Lisp_Object Qerror_conditions
, Qerror_message
, Qtop_level
;
2164 extern Lisp_Object Qerror
, Qquit
, Qwrong_type_argument
, Qargs_out_of_range
;
2165 extern Lisp_Object Qvoid_variable
, Qvoid_function
;
2166 extern Lisp_Object Qsetting_constant
, Qinvalid_read_syntax
;
2167 extern Lisp_Object Qinvalid_function
, Qwrong_number_of_arguments
, Qno_catch
;
2168 extern Lisp_Object Qend_of_file
, Qarith_error
, Qmark_inactive
;
2169 extern Lisp_Object Qbeginning_of_buffer
, Qend_of_buffer
, Qbuffer_read_only
;
2170 extern Lisp_Object Qtext_read_only
;
2172 extern Lisp_Object Qintegerp
, Qnatnump
, Qwholenump
, Qsymbolp
, Qlistp
, Qconsp
;
2173 extern Lisp_Object Qstringp
, Qarrayp
, Qsequencep
, Qbufferp
;
2174 extern Lisp_Object Qchar_or_string_p
, Qmarkerp
, Qinteger_or_marker_p
, Qvectorp
;
2175 extern Lisp_Object Qbuffer_or_string_p
;
2176 extern Lisp_Object Qboundp
, Qfboundp
;
2177 extern Lisp_Object Qchar_table_p
, Qvector_or_char_table_p
;
2179 extern Lisp_Object Qcdr
;
2181 extern Lisp_Object Qrange_error
, Qdomain_error
, Qsingularity_error
;
2182 extern Lisp_Object Qoverflow_error
, Qunderflow_error
;
2184 extern Lisp_Object Qfloatp
;
2185 extern Lisp_Object Qnumberp
, Qnumber_or_marker_p
;
2187 extern Lisp_Object Qinteger
;
2189 extern void circular_list_error
P_ ((Lisp_Object
)) NO_RETURN
;
2190 EXFUN (Finteractive_form
, 1);
2192 /* Defined in frame.c */
2193 extern Lisp_Object Qframep
;
2201 EXFUN (Fintegerp
, 1);
2202 EXFUN (Fnatnump
, 1);
2203 EXFUN (Fsymbolp
, 1);
2204 EXFUN (Fvectorp
, 1);
2205 EXFUN (Fstringp
, 1);
2206 EXFUN (Fmultibyte_string_p
, 1);
2208 EXFUN (Fsequencep
, 1);
2209 EXFUN (Fbufferp
, 1);
2210 EXFUN (Fmarkerp
, 1);
2212 EXFUN (Fchar_or_string_p
, 1);
2213 EXFUN (Finteger_or_marker_p
, 1);
2215 EXFUN (Finteger_or_floatp
, 1);
2216 EXFUN (Finteger_or_float_or_marker_p
, 1);
2219 EXFUN (Fcar_safe
, 1);
2221 EXFUN (Fcdr_safe
, 1);
2225 EXFUN (Ffboundp
, 1);
2226 EXFUN (Fmakunbound
, 1);
2227 EXFUN (Ffmakunbound
, 1);
2228 EXFUN (Fsymbol_function
, 1);
2229 EXFUN (Fsymbol_plist
, 1);
2230 EXFUN (Fsymbol_name
, 1);
2231 extern Lisp_Object indirect_function
P_ ((Lisp_Object
));
2232 EXFUN (Findirect_function
, 2);
2234 EXFUN (Fsetplist
, 2);
2235 EXFUN (Fsymbol_value
, 1);
2236 extern Lisp_Object find_symbol_value
P_ ((Lisp_Object
));
2238 EXFUN (Fdefault_value
, 1);
2239 EXFUN (Fset_default
, 2);
2240 EXFUN (Fdefault_boundp
, 1);
2241 EXFUN (Fmake_local_variable
, 1);
2242 EXFUN (Flocal_variable_p
, 2);
2243 EXFUN (Flocal_variable_if_set_p
, 2);
2248 EXFUN (Fstring_to_number
, 2);
2249 EXFUN (Fnumber_to_string
, 1);
2250 EXFUN (Feqlsign
, 2);
2257 EXFUN (Fplus
, MANY
);
2258 EXFUN (Fminus
, MANY
);
2259 EXFUN (Ftimes
, MANY
);
2264 EXFUN (Flogand
, MANY
);
2265 EXFUN (Flogior
, MANY
);
2266 EXFUN (Flogxor
, MANY
);
2273 EXFUN (Fmake_variable_buffer_local
, 1);
2275 extern Lisp_Object indirect_variable
P_ ((Lisp_Object
));
2276 extern Lisp_Object long_to_cons
P_ ((unsigned long));
2277 extern unsigned long cons_to_long
P_ ((Lisp_Object
));
2278 extern void args_out_of_range
P_ ((Lisp_Object
, Lisp_Object
)) NO_RETURN
;
2279 extern void args_out_of_range_3
P_ ((Lisp_Object
, Lisp_Object
,
2280 Lisp_Object
)) NO_RETURN
;
2281 extern Lisp_Object wrong_type_argument
P_ ((Lisp_Object
, Lisp_Object
)) NO_RETURN
;
2282 extern void store_symval_forwarding
P_ ((Lisp_Object
, Lisp_Object
,
2283 Lisp_Object
, struct buffer
*));
2284 extern Lisp_Object do_symval_forwarding
P_ ((Lisp_Object
));
2285 extern Lisp_Object set_internal
P_ ((Lisp_Object
, Lisp_Object
, struct buffer
*, int));
2286 extern void syms_of_data
P_ ((void));
2287 extern void init_data
P_ ((void));
2288 extern void swap_in_global_binding
P_ ((Lisp_Object
));
2290 /* Defined in cmds.c */
2291 EXFUN (Fend_of_line
, 1);
2292 EXFUN (Fforward_char
, 1);
2293 EXFUN (Fforward_line
, 1);
2294 extern int internal_self_insert
P_ ((int, int));
2295 extern void syms_of_cmds
P_ ((void));
2296 extern void keys_of_cmds
P_ ((void));
2298 /* Defined in coding.c */
2299 EXFUN (Fcoding_system_p
, 1);
2300 EXFUN (Fcheck_coding_system
, 1);
2301 EXFUN (Fread_coding_system
, 2);
2302 EXFUN (Fread_non_nil_coding_system
, 1);
2303 EXFUN (Ffind_operation_coding_system
, MANY
);
2304 EXFUN (Fupdate_coding_systems_internal
, 0);
2305 EXFUN (Fencode_coding_string
, 3);
2306 EXFUN (Fdecode_coding_string
, 3);
2307 extern Lisp_Object detect_coding_system
P_ ((const unsigned char *, int, int,
2309 extern void init_coding
P_ ((void));
2310 extern void init_coding_once
P_ ((void));
2311 extern void syms_of_coding
P_ ((void));
2312 extern Lisp_Object code_convert_string_norecord
P_ ((Lisp_Object
, Lisp_Object
,
2315 /* Defined in charset.c */
2316 extern EMACS_INT nonascii_insert_offset
;
2317 extern Lisp_Object Vnonascii_translation_table
;
2318 EXFUN (Fchar_bytes
, 1);
2319 EXFUN (Fchar_width
, 1);
2320 EXFUN (Fstring
, MANY
);
2321 extern int chars_in_text
P_ ((const unsigned char *, int));
2322 extern int multibyte_chars_in_text
P_ ((const unsigned char *, int));
2323 extern int unibyte_char_to_multibyte
P_ ((int));
2324 extern int multibyte_char_to_unibyte
P_ ((int, Lisp_Object
));
2325 extern Lisp_Object Qcharset
;
2326 extern void init_charset_once
P_ ((void));
2327 extern void syms_of_charset
P_ ((void));
2329 /* Defined in syntax.c */
2330 EXFUN (Fforward_word
, 1);
2331 EXFUN (Fskip_chars_forward
, 2);
2332 EXFUN (Fskip_chars_backward
, 2);
2333 EXFUN (Fsyntax_table_p
, 1);
2334 EXFUN (Fsyntax_table
, 0);
2335 EXFUN (Fset_syntax_table
, 1);
2336 extern void init_syntax_once
P_ ((void));
2337 extern void syms_of_syntax
P_ ((void));
2339 /* Defined in fns.c */
2340 extern int use_dialog_box
;
2341 extern int next_almost_prime
P_ ((int));
2342 extern Lisp_Object larger_vector
P_ ((Lisp_Object
, int, Lisp_Object
));
2343 extern void sweep_weak_hash_tables
P_ ((void));
2344 extern Lisp_Object Qstring_lessp
;
2345 EXFUN (Foptimize_char_table
, 1);
2346 extern Lisp_Object Vfeatures
;
2347 extern Lisp_Object QCtest
, QCweakness
, Qequal
;
2348 unsigned sxhash
P_ ((Lisp_Object
, int));
2349 Lisp_Object make_hash_table
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
,
2350 Lisp_Object
, Lisp_Object
, Lisp_Object
,
2352 Lisp_Object copy_hash_table
P_ ((struct Lisp_Hash_Table
*));
2353 int hash_lookup
P_ ((struct Lisp_Hash_Table
*, Lisp_Object
, unsigned *));
2354 int hash_put
P_ ((struct Lisp_Hash_Table
*, Lisp_Object
, Lisp_Object
,
2356 void hash_remove
P_ ((struct Lisp_Hash_Table
*, Lisp_Object
));
2357 void hash_clear
P_ ((struct Lisp_Hash_Table
*));
2358 void remove_hash_entry
P_ ((struct Lisp_Hash_Table
*, int));
2359 extern void init_fns
P_ ((void));
2361 EXFUN (Fmake_hash_table
, MANY
);
2362 EXFUN (Fcopy_hash_table
, 1);
2363 EXFUN (Fhash_table_count
, 1);
2364 EXFUN (Fhash_table_rehash_size
, 1);
2365 EXFUN (Fhash_table_rehash_threshold
, 1);
2366 EXFUN (Fhash_table_size
, 1);
2367 EXFUN (Fhash_table_test
, 1);
2368 EXFUN (Fhash_table_weak
, 1);
2369 EXFUN (Fhash_table_p
, 1);
2370 EXFUN (Fclrhash
, 1);
2371 EXFUN (Fgethash
, 3);
2372 EXFUN (Fputhash
, 3);
2373 EXFUN (Fremhash
, 2);
2374 EXFUN (Fmaphash
, 2);
2375 EXFUN (Fdefine_hash_table_test
, 3);
2377 EXFUN (Fidentity
, 1);
2380 EXFUN (Fsafe_length
, 1);
2381 EXFUN (Fappend
, MANY
);
2382 EXFUN (Fconcat
, MANY
);
2383 EXFUN (Fvconcat
, MANY
);
2384 EXFUN (Fcopy_sequence
, 1);
2385 EXFUN (Fstring_make_multibyte
, 1);
2386 EXFUN (Fstring_make_unibyte
, 1);
2387 EXFUN (Fstring_as_multibyte
, 1);
2388 EXFUN (Fstring_as_unibyte
, 1);
2389 EXFUN (Fstring_to_multibyte
, 1);
2390 EXFUN (Fsubstring
, 3);
2391 extern Lisp_Object substring_both
P_ ((Lisp_Object
, int, int, int, int));
2403 EXFUN (Freverse
, 1);
2404 EXFUN (Fnreverse
, 1);
2408 EXFUN (Ffillarray
, 2);
2409 EXFUN (Fnconc
, MANY
);
2411 EXFUN (Fmapconcat
, 3);
2412 EXFUN (Fy_or_n_p
, 1);
2413 extern Lisp_Object do_yes_or_no_p
P_ ((Lisp_Object
));
2414 EXFUN (Frequire
, 3);
2415 EXFUN (Fprovide
, 2);
2416 extern Lisp_Object concat2
P_ ((Lisp_Object
, Lisp_Object
));
2417 extern Lisp_Object concat3
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
));
2418 extern Lisp_Object nconc2
P_ ((Lisp_Object
, Lisp_Object
));
2419 extern Lisp_Object assq_no_quit
P_ ((Lisp_Object
, Lisp_Object
));
2420 extern void clear_string_char_byte_cache
P_ ((void));
2421 extern int string_char_to_byte
P_ ((Lisp_Object
, int));
2422 extern int string_byte_to_char
P_ ((Lisp_Object
, int));
2423 extern Lisp_Object string_make_multibyte
P_ ((Lisp_Object
));
2424 extern Lisp_Object string_to_multibyte
P_ ((Lisp_Object
));
2425 extern Lisp_Object string_make_unibyte
P_ ((Lisp_Object
));
2426 EXFUN (Fcopy_alist
, 1);
2427 EXFUN (Fplist_get
, 2);
2428 EXFUN (Fplist_put
, 3);
2429 EXFUN (Fplist_member
, 2);
2430 EXFUN (Fset_char_table_parent
, 2);
2431 EXFUN (Fchar_table_extra_slot
, 2);
2432 EXFUN (Fset_char_table_extra_slot
, 3);
2434 EXFUN (Fstring_equal
, 2);
2435 EXFUN (Fcompare_strings
, 7);
2436 EXFUN (Fstring_lessp
, 2);
2437 extern int char_table_translate
P_ ((Lisp_Object
, int));
2438 extern void map_char_table
P_ ((void (*) (Lisp_Object
, Lisp_Object
, Lisp_Object
),
2439 Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, int,
2441 extern Lisp_Object char_table_ref_and_index
P_ ((Lisp_Object
, int, int *));
2442 extern void syms_of_fns
P_ ((void));
2444 /* Defined in floatfns.c */
2445 extern double extract_float
P_ ((Lisp_Object
));
2447 EXFUN (Ftruncate
, 2);
2448 extern void init_floatfns
P_ ((void));
2449 extern void syms_of_floatfns
P_ ((void));
2451 /* Defined in fringe.c */
2452 extern void syms_of_fringe
P_ ((void));
2453 extern void init_fringe
P_ ((void));
2454 extern void init_fringe_once
P_ ((void));
2456 /* Defined in image.c */
2457 EXFUN (Finit_image_library
, 2);
2458 extern void syms_of_image
P_ ((void));
2459 extern void init_image
P_ ((void));
2461 /* Defined in insdel.c */
2462 extern Lisp_Object Qinhibit_modification_hooks
;
2463 extern void move_gap
P_ ((int));
2464 extern void move_gap_both
P_ ((int, int));
2465 extern void make_gap
P_ ((int));
2466 extern int copy_text
P_ ((const unsigned char *, unsigned char *, int, int, int));
2467 extern int count_size_as_multibyte
P_ ((const unsigned char *, int));
2468 extern int count_combining_before
P_ ((const unsigned char *, int, int, int));
2469 extern int count_combining_after
P_ ((const unsigned char *, int, int, int));
2470 extern void insert
P_ ((const unsigned char *, int));
2471 extern void insert_and_inherit
P_ ((const unsigned char *, int));
2472 extern void insert_1
P_ ((const unsigned char *, int, int, int, int));
2473 extern void insert_1_both
P_ ((const unsigned char *, int, int, int, int, int));
2474 extern void insert_from_string
P_ ((Lisp_Object
, int, int, int, int, int));
2475 extern void insert_from_buffer
P_ ((struct buffer
*, int, int, int));
2476 extern void insert_char
P_ ((int));
2477 extern void insert_string
P_ ((const char *));
2478 extern void insert_before_markers
P_ ((const unsigned char *, int));
2479 extern void insert_before_markers_and_inherit
P_ ((const unsigned char *, int));
2480 extern void insert_from_string_before_markers
P_ ((Lisp_Object
, int, int, int, int, int));
2481 extern void del_range
P_ ((int, int));
2482 extern Lisp_Object del_range_1
P_ ((int, int, int, int));
2483 extern void del_range_byte
P_ ((int, int, int));
2484 extern void del_range_both
P_ ((int, int, int, int, int));
2485 extern Lisp_Object del_range_2
P_ ((int, int, int, int, int));
2486 extern void modify_region
P_ ((struct buffer
*, int, int, int));
2487 extern void prepare_to_modify_buffer
P_ ((int, int, int *));
2488 extern void signal_before_change
P_ ((int, int, int *));
2489 extern void signal_after_change
P_ ((int, int, int));
2490 extern void adjust_after_replace
P_ ((int, int, Lisp_Object
, int, int));
2491 extern void adjust_after_replace_noundo
P_ ((int, int, int, int, int, int));
2492 extern void adjust_after_insert
P_ ((int, int, int, int, int));
2493 extern void replace_range
P_ ((int, int, Lisp_Object
, int, int, int));
2494 extern void replace_range_2
P_ ((int, int, int, int, char *, int, int, int));
2495 extern void syms_of_insdel
P_ ((void));
2497 /* Defined in dispnew.c */
2498 extern Lisp_Object selected_frame
;
2499 extern EMACS_INT baud_rate
;
2501 EXFUN (Fredraw_frame
, 1);
2502 EXFUN (Fredraw_display
, 0);
2503 EXFUN (Fsleep_for
, 2);
2504 EXFUN (Fredisplay
, 1);
2505 extern Lisp_Object sit_for
P_ ((Lisp_Object
, int, int));
2506 extern void init_display
P_ ((void));
2507 extern void syms_of_display
P_ ((void));
2508 extern void safe_bcopy
P_ ((const char *, char *, int));
2510 /* Defined in xdisp.c */
2511 extern Lisp_Object Qinhibit_point_motion_hooks
;
2512 extern Lisp_Object Qinhibit_redisplay
, Qdisplay
;
2513 extern Lisp_Object Qinhibit_eval_during_redisplay
;
2514 extern Lisp_Object Qmessage_truncate_lines
;
2515 extern Lisp_Object Qimage
;
2516 extern Lisp_Object Vmessage_log_max
;
2517 extern int message_enable_multibyte
;
2518 extern Lisp_Object echo_area_buffer
[2];
2519 extern void check_message_stack
P_ ((void));
2520 extern void setup_echo_area_for_printing
P_ ((int));
2521 extern int push_message
P_ ((void));
2522 extern Lisp_Object pop_message_unwind
P_ ((Lisp_Object
));
2523 extern Lisp_Object restore_message_unwind
P_ ((Lisp_Object
));
2524 extern void pop_message
P_ ((void));
2525 extern void restore_message
P_ ((void));
2526 extern Lisp_Object current_message
P_ ((void));
2527 extern void set_message
P_ ((const char *s
, Lisp_Object
, int, int));
2528 extern void clear_message
P_ ((int, int));
2529 extern void message
P_ ((/* char *, ... */));
2530 extern void message_nolog
P_ ((/* char *, ... */));
2531 extern void message1
P_ ((char *));
2532 extern void message1_nolog
P_ ((char *));
2533 extern void message2
P_ ((const char *, int, int));
2534 extern void message2_nolog
P_ ((const char *, int, int));
2535 extern void message3
P_ ((Lisp_Object
, int, int));
2536 extern void message3_nolog
P_ ((Lisp_Object
, int, int));
2537 extern void message_dolog
P_ ((const char *, int, int, int));
2538 extern void message_with_string
P_ ((char *, Lisp_Object
, int));
2539 extern void message_log_maybe_newline
P_ ((void));
2540 extern void update_echo_area
P_ ((void));
2541 extern void truncate_echo_area
P_ ((int));
2542 extern void redisplay
P_ ((void));
2543 extern int check_point_in_composition
2544 P_ ((struct buffer
*, int, struct buffer
*, int));
2545 extern void redisplay_preserve_echo_area
P_ ((int));
2546 extern void prepare_menu_bars
P_ ((void));
2548 void set_frame_cursor_types
P_ ((struct frame
*, Lisp_Object
));
2549 extern void syms_of_xdisp
P_ ((void));
2550 extern void init_xdisp
P_ ((void));
2551 extern Lisp_Object safe_eval
P_ ((Lisp_Object
));
2552 extern int pos_visible_p
P_ ((struct window
*, int, int *,
2553 int *, int *, int *, int *, int *));
2555 /* Defined in vm-limit.c. */
2556 extern void memory_warnings
P_ ((POINTER_TYPE
*, void (*warnfun
) ()));
2558 /* Defined in alloc.c */
2559 extern void check_pure_size
P_ ((void));
2560 extern void allocate_string_data
P_ ((struct Lisp_String
*, int, int));
2561 extern void reset_malloc_hooks
P_ ((void));
2562 extern void uninterrupt_malloc
P_ ((void));
2563 extern void malloc_warning
P_ ((char *));
2564 extern void memory_full
P_ ((void)) NO_RETURN
;
2565 extern void buffer_memory_full
P_ ((void)) NO_RETURN
;
2566 extern int survives_gc_p
P_ ((Lisp_Object
));
2567 extern void mark_object
P_ ((Lisp_Object
));
2568 extern Lisp_Object Vpurify_flag
;
2569 extern Lisp_Object Vmemory_full
;
2576 EXFUN (Flist
, MANY
);
2577 EXFUN (Fmake_list
, 2);
2578 extern Lisp_Object allocate_misc
P_ ((void));
2579 EXFUN (Fmake_vector
, 2);
2580 EXFUN (Fvector
, MANY
);
2581 EXFUN (Fmake_symbol
, 1);
2582 EXFUN (Fmake_marker
, 0);
2583 EXFUN (Fmake_string
, 2);
2584 extern Lisp_Object build_string
P_ ((const char *));
2585 extern Lisp_Object make_string
P_ ((const char *, int));
2586 extern Lisp_Object make_unibyte_string
P_ ((const char *, int));
2587 extern Lisp_Object make_multibyte_string
P_ ((const char *, int, int));
2588 extern Lisp_Object make_event_array
P_ ((int, Lisp_Object
*));
2589 extern Lisp_Object make_uninit_string
P_ ((int));
2590 extern Lisp_Object make_uninit_multibyte_string
P_ ((int, int));
2591 extern Lisp_Object make_string_from_bytes
P_ ((const char *, int, int));
2592 extern Lisp_Object make_specified_string
P_ ((const char *, int, int, int));
2593 EXFUN (Fpurecopy
, 1);
2594 extern Lisp_Object make_pure_string
P_ ((char *, int, int, int));
2595 extern Lisp_Object pure_cons
P_ ((Lisp_Object
, Lisp_Object
));
2596 extern Lisp_Object make_pure_vector
P_ ((EMACS_INT
));
2597 EXFUN (Fgarbage_collect
, 0);
2598 EXFUN (Fmake_byte_code
, MANY
);
2599 EXFUN (Fmake_bool_vector
, 2);
2600 EXFUN (Fmake_char_table
, 2);
2601 extern Lisp_Object make_sub_char_table
P_ ((Lisp_Object
));
2602 extern Lisp_Object Qchar_table_extra_slots
;
2603 extern struct Lisp_Vector
*allocate_vector
P_ ((EMACS_INT
));
2604 extern struct Lisp_Vector
*allocate_other_vector
P_ ((EMACS_INT
));
2605 extern struct Lisp_Hash_Table
*allocate_hash_table
P_ ((void));
2606 extern struct window
*allocate_window
P_ ((void));
2607 extern struct frame
*allocate_frame
P_ ((void));
2608 extern struct Lisp_Process
*allocate_process
P_ ((void));
2609 extern int gc_in_progress
;
2610 extern int abort_on_gc
;
2611 extern Lisp_Object make_float
P_ ((double));
2612 extern void display_malloc_warning
P_ ((void));
2613 extern int inhibit_garbage_collection
P_ ((void));
2614 extern Lisp_Object make_save_value
P_ ((void *, int));
2615 extern void free_misc
P_ ((Lisp_Object
));
2616 extern void free_marker
P_ ((Lisp_Object
));
2617 extern void free_cons
P_ ((struct Lisp_Cons
*));
2618 extern void init_alloc_once
P_ ((void));
2619 extern void init_alloc
P_ ((void));
2620 extern void syms_of_alloc
P_ ((void));
2621 extern struct buffer
* allocate_buffer
P_ ((void));
2622 extern int valid_lisp_object_p
P_ ((Lisp_Object
));
2624 /* Defined in print.c */
2625 extern Lisp_Object Vprin1_to_string_buffer
;
2626 extern void debug_print
P_ ((Lisp_Object
));
2628 EXFUN (Fprin1_to_string
, 2);
2632 EXFUN (Ferror_message_string
, 1);
2633 extern Lisp_Object Vstandard_output
, Qstandard_output
;
2634 extern Lisp_Object Qexternal_debugging_output
;
2635 extern void temp_output_buffer_setup
P_ ((const char *));
2636 extern int print_level
, print_escape_newlines
;
2637 extern Lisp_Object Qprint_escape_newlines
;
2638 extern void write_string
P_ ((char *, int));
2639 extern void write_string_1
P_ ((char *, int, Lisp_Object
));
2640 extern void print_error_message
P_ ((Lisp_Object
, Lisp_Object
, char *, Lisp_Object
));
2641 extern Lisp_Object internal_with_output_to_temp_buffer
2642 P_ ((const char *, Lisp_Object (*) (Lisp_Object
), Lisp_Object
));
2643 extern void float_to_string
P_ ((unsigned char *, double));
2644 extern void syms_of_print
P_ ((void));
2646 /* Defined in doprnt.c */
2647 extern int doprnt
P_ ((char *, int, char *, char *, int, char **));
2648 extern int doprnt_lisp
P_ ((char *, int, char *, char *, int, char **));
2650 /* Defined in lread.c */
2651 extern Lisp_Object Qvariable_documentation
, Qstandard_input
;
2652 extern Lisp_Object Vobarray
, initial_obarray
, Vstandard_input
;
2654 EXFUN (Fread_from_string
, 3);
2656 EXFUN (Fintern_soft
, 2);
2658 EXFUN (Fget_load_suffixes
, 0);
2659 EXFUN (Fget_file_char
, 0);
2660 EXFUN (Fread_char
, 3);
2661 EXFUN (Fread_event
, 3);
2662 extern Lisp_Object read_filtered_event
P_ ((int, int, int, int, Lisp_Object
));
2663 EXFUN (Feval_region
, 4);
2664 extern Lisp_Object check_obarray
P_ ((Lisp_Object
));
2665 extern Lisp_Object intern
P_ ((const char *));
2666 extern Lisp_Object make_symbol
P_ ((char *));
2667 extern Lisp_Object oblookup
P_ ((Lisp_Object
, const char *, int, int));
2668 #define LOADHIST_ATTACH(x) \
2669 if (initialized) Vcurrent_load_list = Fcons (x, Vcurrent_load_list)
2670 extern Lisp_Object Vcurrent_load_list
;
2671 extern Lisp_Object Vload_history
, Vload_suffixes
, Vload_file_rep_suffixes
;
2672 extern int openp
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
,
2673 Lisp_Object
*, Lisp_Object
));
2674 extern int isfloat_string
P_ ((char *));
2675 extern void map_obarray
P_ ((Lisp_Object
, void (*) (Lisp_Object
, Lisp_Object
),
2677 extern void dir_warning
P_ ((char *, Lisp_Object
));
2678 extern void close_load_descs
P_ ((void));
2679 extern void init_obarray
P_ ((void));
2680 extern void init_lread
P_ ((void));
2681 extern void syms_of_lread
P_ ((void));
2683 /* Defined in eval.c */
2684 extern Lisp_Object Qautoload
, Qexit
, Qinteractive
, Qcommandp
, Qdefun
, Qmacro
;
2685 extern Lisp_Object Vinhibit_quit
, Qinhibit_quit
, Vquit_flag
;
2686 extern Lisp_Object Vautoload_queue
;
2687 extern Lisp_Object Vdebug_on_error
;
2688 extern Lisp_Object Vsignaling_function
;
2689 extern int handling_signal
;
2690 extern int interactive_p
P_ ((int));
2692 /* To run a normal hook, use the appropriate function from the list below.
2693 The calling convention:
2695 if (!NILP (Vrun_hooks))
2696 call1 (Vrun_hooks, Qmy_funny_hook);
2698 should no longer be used. */
2699 extern Lisp_Object Vrun_hooks
;
2700 EXFUN (Frun_hooks
, MANY
);
2701 EXFUN (Frun_hook_with_args
, MANY
);
2702 EXFUN (Frun_hook_with_args_until_success
, MANY
);
2703 EXFUN (Frun_hook_with_args_until_failure
, MANY
);
2704 extern Lisp_Object run_hook_list_with_args
P_ ((Lisp_Object
, int, Lisp_Object
*));
2705 extern void run_hook_with_args_2
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
));
2706 EXFUN (Fand
, UNEVALLED
);
2707 EXFUN (For
, UNEVALLED
);
2708 EXFUN (Fif
, UNEVALLED
);
2709 EXFUN (Fprogn
, UNEVALLED
);
2710 EXFUN (Fprog1
, UNEVALLED
);
2711 EXFUN (Fprog2
, UNEVALLED
);
2712 EXFUN (Fsetq
, UNEVALLED
);
2713 EXFUN (Fquote
, UNEVALLED
);
2714 EXFUN (Fuser_variable_p
, 1);
2715 EXFUN (Finteractive_p
, 0);
2716 EXFUN (Fdefun
, UNEVALLED
);
2717 EXFUN (Flet
, UNEVALLED
);
2718 EXFUN (FletX
, UNEVALLED
);
2719 EXFUN (Fwhile
, UNEVALLED
);
2720 EXFUN (Fcatch
, UNEVALLED
);
2721 EXFUN (Fthrow
, 2) NO_RETURN
;
2722 EXFUN (Funwind_protect
, UNEVALLED
);
2723 EXFUN (Fcondition_case
, UNEVALLED
);
2725 extern void xsignal
P_ ((Lisp_Object
, Lisp_Object
)) NO_RETURN
;
2726 extern void xsignal0
P_ ((Lisp_Object
)) NO_RETURN
;
2727 extern void xsignal1
P_ ((Lisp_Object
, Lisp_Object
)) NO_RETURN
;
2728 extern void xsignal2
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
)) NO_RETURN
;
2729 extern void xsignal3
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
)) NO_RETURN
;
2730 extern void signal_error
P_ ((char *, Lisp_Object
)) NO_RETURN
;
2731 EXFUN (Fautoload
, 5);
2732 EXFUN (Fcommandp
, 2);
2734 EXFUN (Fapply
, MANY
);
2735 EXFUN (Ffuncall
, MANY
);
2736 EXFUN (Fbacktrace
, 0);
2737 extern Lisp_Object apply1
P_ ((Lisp_Object
, Lisp_Object
));
2738 extern Lisp_Object call0
P_ ((Lisp_Object
));
2739 extern Lisp_Object call1
P_ ((Lisp_Object
, Lisp_Object
));
2740 extern Lisp_Object call2
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
));
2741 extern Lisp_Object call3
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
));
2742 extern Lisp_Object call4
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
));
2743 extern Lisp_Object call5
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
));
2744 extern Lisp_Object call6
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
));
2745 EXFUN (Fdo_auto_save
, 2);
2746 extern Lisp_Object apply_lambda
P_ ((Lisp_Object
, Lisp_Object
, int));
2747 extern Lisp_Object internal_catch
P_ ((Lisp_Object
, Lisp_Object (*) (Lisp_Object
), Lisp_Object
));
2748 extern Lisp_Object internal_lisp_condition_case
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
));
2749 extern Lisp_Object internal_condition_case
P_ ((Lisp_Object (*) (void), Lisp_Object
, Lisp_Object (*) (Lisp_Object
)));
2750 extern Lisp_Object internal_condition_case_1
P_ ((Lisp_Object (*) (Lisp_Object
), Lisp_Object
, Lisp_Object
, Lisp_Object (*) (Lisp_Object
)));
2751 extern Lisp_Object internal_condition_case_2
P_ ((Lisp_Object (*) (int, Lisp_Object
*), int, Lisp_Object
*, Lisp_Object
, Lisp_Object (*) (Lisp_Object
)));
2752 extern void specbind
P_ ((Lisp_Object
, Lisp_Object
));
2753 extern void record_unwind_protect
P_ ((Lisp_Object (*) (Lisp_Object
), Lisp_Object
));
2754 extern Lisp_Object unbind_to
P_ ((int, Lisp_Object
));
2755 extern void error
P_ ((/* char *, ... */)) NO_RETURN
;
2756 extern void do_autoload
P_ ((Lisp_Object
, Lisp_Object
));
2757 extern Lisp_Object un_autoload
P_ ((Lisp_Object
));
2758 EXFUN (Ffetch_bytecode
, 1);
2759 extern void init_eval_once
P_ ((void));
2760 extern Lisp_Object safe_call
P_ ((int, Lisp_Object
*));
2761 extern Lisp_Object safe_call1
P_ ((Lisp_Object
, Lisp_Object
));
2762 extern void init_eval
P_ ((void));
2763 extern void syms_of_eval
P_ ((void));
2765 /* Defined in editfns.c */
2766 EXFUN (Fpropertize
, MANY
);
2767 EXFUN (Fcurrent_message
, 0);
2768 EXFUN (Fgoto_char
, 1);
2769 EXFUN (Fpoint_min_marker
, 0);
2770 EXFUN (Fpoint_max_marker
, 0);
2771 EXFUN (Fpoint_min
, 0);
2772 EXFUN (Fpoint_max
, 0);
2774 EXFUN (Fpoint_marker
, 0);
2775 EXFUN (Fmark_marker
, 0);
2776 EXFUN (Fline_beginning_position
, 1);
2777 EXFUN (Fline_end_position
, 1);
2778 EXFUN (Ffollowing_char
, 0);
2779 EXFUN (Fprevious_char
, 0);
2780 EXFUN (Fchar_after
, 1);
2781 EXFUN (Finsert
, MANY
);
2782 EXFUN (Finsert_and_inherit
, MANY
);
2783 EXFUN (Finsert_before_markers
, MANY
);
2784 EXFUN (Finsert_buffer_substring
, 3);
2785 EXFUN (Finsert_char
, 3);
2786 extern void insert1
P_ ((Lisp_Object
));
2791 EXFUN (Fformat
, MANY
);
2792 EXFUN (Fmessage
, MANY
);
2793 extern Lisp_Object format2
P_ ((char *, Lisp_Object
, Lisp_Object
));
2794 EXFUN (Fbuffer_substring
, 2);
2795 EXFUN (Fbuffer_string
, 0);
2796 extern Lisp_Object save_excursion_save
P_ ((void));
2797 extern Lisp_Object save_restriction_save
P_ ((void));
2798 extern Lisp_Object save_excursion_restore
P_ ((Lisp_Object
));
2799 extern Lisp_Object save_restriction_restore
P_ ((Lisp_Object
));
2800 EXFUN (Fchar_to_string
, 1);
2801 EXFUN (Fdelete_region
, 2);
2802 EXFUN (Fnarrow_to_region
, 2);
2804 EXFUN (Fuser_login_name
, 1);
2805 EXFUN (Fsystem_name
, 0);
2806 EXFUN (Fcurrent_time
, 0);
2807 extern int clip_to_bounds
P_ ((int, int, int));
2808 extern Lisp_Object make_buffer_string
P_ ((int, int, int));
2809 extern Lisp_Object make_buffer_string_both
P_ ((int, int, int, int, int));
2810 extern void init_editfns
P_ ((void));
2811 extern void syms_of_editfns
P_ ((void));
2812 extern Lisp_Object Vinhibit_field_text_motion
;
2813 EXFUN (Fconstrain_to_field
, 5);
2814 EXFUN (Ffield_string
, 1);
2815 EXFUN (Fdelete_field
, 1);
2816 EXFUN (Ffield_beginning
, 3);
2817 EXFUN (Ffield_end
, 3);
2818 EXFUN (Ffield_string_no_properties
, 1);
2819 extern void set_time_zone_rule
P_ ((char *));
2821 /* defined in buffer.c */
2822 extern int mouse_face_overlay_overlaps
P_ ((Lisp_Object
));
2823 extern void nsberror
P_ ((Lisp_Object
)) NO_RETURN
;
2824 extern char *no_switch_window
P_ ((Lisp_Object window
));
2825 EXFUN (Fset_buffer_multibyte
, 1);
2826 EXFUN (Foverlay_start
, 1);
2827 EXFUN (Foverlay_end
, 1);
2828 extern void adjust_overlays_for_insert
P_ ((EMACS_INT
, EMACS_INT
));
2829 extern void adjust_overlays_for_delete
P_ ((EMACS_INT
, EMACS_INT
));
2830 extern void fix_start_end_in_overlays
P_ ((int, int));
2831 extern void report_overlay_modification
P_ ((Lisp_Object
, Lisp_Object
, int,
2832 Lisp_Object
, Lisp_Object
, Lisp_Object
));
2833 extern int overlay_touches_p
P_ ((int));
2834 extern Lisp_Object Vbuffer_alist
, Vinhibit_read_only
;
2835 EXFUN (Fget_buffer
, 1);
2836 EXFUN (Fget_buffer_create
, 1);
2837 EXFUN (Fset_buffer
, 1);
2838 EXFUN (set_buffer_if_live
, 1);
2839 EXFUN (Fbarf_if_buffer_read_only
, 0);
2840 EXFUN (Fcurrent_buffer
, 0);
2841 EXFUN (Fswitch_to_buffer
, 2);
2842 EXFUN (Fpop_to_buffer
, 3);
2843 EXFUN (Fother_buffer
, 3);
2844 EXFUN (Foverlay_get
, 2);
2845 EXFUN (Fbuffer_modified_p
, 1);
2846 EXFUN (Fset_buffer_modified_p
, 1);
2847 EXFUN (Fkill_buffer
, 1);
2848 EXFUN (Fkill_all_local_variables
, 0);
2849 EXFUN (Fbuffer_disable_undo
, 1);
2850 EXFUN (Fbuffer_enable_undo
, 1);
2851 EXFUN (Ferase_buffer
, 0);
2852 extern Lisp_Object Qoverlayp
;
2853 extern Lisp_Object Qevaporate
;
2854 extern Lisp_Object get_truename_buffer
P_ ((Lisp_Object
));
2855 extern struct buffer
*all_buffers
;
2856 EXFUN (Fprevious_overlay_change
, 1);
2857 EXFUN (Fbuffer_file_name
, 1);
2858 extern void init_buffer_once
P_ ((void));
2859 extern void init_buffer
P_ ((void));
2860 extern void syms_of_buffer
P_ ((void));
2861 extern void keys_of_buffer
P_ ((void));
2863 /* defined in marker.c */
2865 EXFUN (Fmarker_position
, 1);
2866 EXFUN (Fmarker_buffer
, 1);
2867 EXFUN (Fcopy_marker
, 2);
2868 EXFUN (Fset_marker
, 3);
2869 extern int marker_position
P_ ((Lisp_Object
));
2870 extern int marker_byte_position
P_ ((Lisp_Object
));
2871 extern void clear_charpos_cache
P_ ((struct buffer
*));
2872 extern int charpos_to_bytepos
P_ ((int));
2873 extern int buf_charpos_to_bytepos
P_ ((struct buffer
*, int));
2874 extern int buf_bytepos_to_charpos
P_ ((struct buffer
*, int));
2875 extern void unchain_marker
P_ ((struct Lisp_Marker
*marker
));
2876 extern Lisp_Object set_marker_restricted
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
));
2877 extern Lisp_Object set_marker_both
P_ ((Lisp_Object
, Lisp_Object
, int, int));
2878 extern Lisp_Object set_marker_restricted_both
P_ ((Lisp_Object
, Lisp_Object
,
2880 extern void syms_of_marker
P_ ((void));
2882 /* Defined in fileio.c */
2884 extern Lisp_Object Qfile_error
;
2885 EXFUN (Ffind_file_name_handler
, 2);
2886 EXFUN (Ffile_name_as_directory
, 1);
2887 EXFUN (Fmake_temp_name
, 1);
2888 EXFUN (Fexpand_file_name
, 2);
2889 EXFUN (Ffile_name_nondirectory
, 1);
2890 EXFUN (Fsubstitute_in_file_name
, 1);
2891 EXFUN (Ffile_symlink_p
, 1);
2892 EXFUN (Fverify_visited_file_modtime
, 1);
2893 EXFUN (Ffile_exists_p
, 1);
2894 EXFUN (Ffile_name_absolute_p
, 1);
2895 EXFUN (Fdirectory_file_name
, 1);
2896 EXFUN (Ffile_name_directory
, 1);
2897 extern Lisp_Object expand_and_dir_to_file
P_ ((Lisp_Object
, Lisp_Object
));
2898 EXFUN (Ffile_accessible_directory_p
, 1);
2899 EXFUN (Funhandled_file_name_directory
, 1);
2900 EXFUN (Ffile_directory_p
, 1);
2901 EXFUN (Fwrite_region
, 7);
2902 EXFUN (Ffile_readable_p
, 1);
2903 EXFUN (Ffile_executable_p
, 1);
2904 EXFUN (Fread_file_name
, 6);
2905 extern Lisp_Object close_file_unwind
P_ ((Lisp_Object
));
2906 extern void report_file_error
P_ ((const char *, Lisp_Object
)) NO_RETURN
;
2907 extern int internal_delete_file
P_ ((Lisp_Object
));
2908 extern void syms_of_fileio
P_ ((void));
2909 extern void init_fileio_once
P_ ((void));
2910 extern Lisp_Object make_temp_name
P_ ((Lisp_Object
, int));
2911 EXFUN (Fmake_symbolic_link
, 3);
2913 /* Defined in abbrev.c */
2915 extern void syms_of_abbrev
P_ ((void));
2917 /* defined in search.c */
2918 extern void shrink_regexp_cache
P_ ((void));
2919 EXFUN (Fstring_match
, 3);
2920 extern void restore_search_regs
P_ ((void));
2921 EXFUN (Fmatch_data
, 3);
2922 EXFUN (Fset_match_data
, 2);
2923 EXFUN (Fmatch_beginning
, 1);
2924 EXFUN (Fmatch_end
, 1);
2925 extern void record_unwind_save_match_data
P_ ((void));
2926 EXFUN (Flooking_at
, 1);
2927 extern int fast_string_match
P_ ((Lisp_Object
, Lisp_Object
));
2928 extern int fast_c_string_match_ignore_case
P_ ((Lisp_Object
, const char *));
2929 extern int fast_string_match_ignore_case
P_ ((Lisp_Object
, Lisp_Object
));
2930 extern int scan_buffer
P_ ((int, int, int, int, int *, int));
2931 extern int scan_newline
P_ ((int, int, int, int, int, int));
2932 extern int find_next_newline
P_ ((int, int));
2933 extern int find_next_newline_no_quit
P_ ((int, int));
2934 extern int find_before_next_newline
P_ ((int, int, int));
2935 extern void syms_of_search
P_ ((void));
2936 extern void clear_regexp_cache
P_ ((void));
2938 /* defined in minibuf.c */
2940 extern Lisp_Object last_minibuf_string
;
2941 extern void choose_minibuf_frame
P_ ((void));
2942 EXFUN (Fcompleting_read
, 8);
2943 EXFUN (Fread_from_minibuffer
, 7);
2944 EXFUN (Fread_variable
, 2);
2945 EXFUN (Fread_buffer
, 3);
2946 EXFUN (Fread_minibuffer
, 2);
2947 EXFUN (Feval_minibuffer
, 2);
2948 EXFUN (Fread_string
, 5);
2949 EXFUN (Fread_no_blanks_input
, 3);
2950 extern Lisp_Object get_minibuffer
P_ ((int));
2951 extern void temp_echo_area_glyphs
P_ ((Lisp_Object
));
2952 extern void init_minibuf_once
P_ ((void));
2953 extern void syms_of_minibuf
P_ ((void));
2954 extern void keys_of_minibuf
P_ ((void));
2956 /* Defined in callint.c */
2958 extern Lisp_Object Qminus
, Qplus
, Vcurrent_prefix_arg
;
2959 extern Lisp_Object Vcommand_history
;
2960 extern Lisp_Object Qcall_interactively
, Qmouse_leave_buffer_hook
;
2961 EXFUN (Fcall_interactively
, 3);
2962 EXFUN (Fprefix_numeric_value
, 1);
2963 extern void syms_of_callint
P_ ((void));
2965 /* defined in casefiddle.c */
2967 EXFUN (Fdowncase
, 1);
2969 EXFUN (Fcapitalize
, 1);
2970 EXFUN (Fupcase_region
, 2);
2971 EXFUN (Fupcase_initials
, 1);
2972 EXFUN (Fupcase_initials_region
, 2);
2973 extern void syms_of_casefiddle
P_ ((void));
2974 extern void keys_of_casefiddle
P_ ((void));
2976 /* defined in casetab.c */
2978 EXFUN (Fset_case_table
, 1);
2979 EXFUN (Fset_standard_case_table
, 1);
2980 extern void init_casetab_once
P_ ((void));
2981 extern void syms_of_casetab
P_ ((void));
2983 /* defined in keyboard.c */
2986 extern Lisp_Object echo_message_buffer
;
2987 extern struct kboard
*echo_kboard
;
2988 extern void cancel_echoing
P_ ((void));
2989 extern Lisp_Object Qdisabled
, QCfilter
;
2990 extern Lisp_Object Vtty_erase_char
, Vhelp_form
, Vtop_level
;
2991 extern Lisp_Object Vthrow_on_input
;
2992 extern int input_pending
;
2993 EXFUN (Fdiscard_input
, 0);
2994 EXFUN (Frecursive_edit
, 0);
2995 EXFUN (Ftop_level
, 0);
2996 EXFUN (Fcommand_execute
, 4);
2997 EXFUN (Finput_pending_p
, 0);
2998 extern Lisp_Object menu_bar_items
P_ ((Lisp_Object
));
2999 extern Lisp_Object tool_bar_items
P_ ((Lisp_Object
, int *));
3000 extern Lisp_Object Qvertical_scroll_bar
;
3001 extern void discard_mouse_events
P_ ((void));
3002 EXFUN (Fevent_convert_list
, 1);
3003 EXFUN (Fread_key_sequence
, 5);
3004 EXFUN (Fset_input_interrupt_mode
, 1);
3005 EXFUN (Fset_output_flow_control
, 2);
3006 EXFUN (Fset_input_meta_mode
, 2);
3007 EXFUN (Fset_quit_char
, 1);
3008 EXFUN (Fset_input_mode
, 4);
3009 extern int detect_input_pending
P_ ((void));
3010 extern int detect_input_pending_ignore_squeezables
P_ ((void));
3011 extern int detect_input_pending_run_timers
P_ ((int));
3012 extern void safe_run_hooks
P_ ((Lisp_Object
));
3013 extern void cmd_error_internal
P_ ((Lisp_Object
, char *));
3014 extern Lisp_Object command_loop_1
P_ ((void));
3015 extern Lisp_Object recursive_edit_1
P_ ((void));
3016 extern void record_auto_save
P_ ((void));
3017 extern void init_keyboard
P_ ((void));
3018 extern void syms_of_keyboard
P_ ((void));
3019 extern void keys_of_keyboard
P_ ((void));
3020 extern char *push_key_description
P_ ((unsigned int, char *, int));
3021 extern void add_user_signal
P_ ((int sig
, const char *name
));
3024 /* defined in indent.c */
3025 EXFUN (Fvertical_motion
, 2);
3026 EXFUN (Findent_to
, 2);
3027 EXFUN (Fcurrent_column
, 0);
3028 EXFUN (Fmove_to_column
, 2);
3029 extern double current_column
P_ ((void));
3030 extern void invalidate_current_column
P_ ((void));
3031 extern int indented_beyond_p
P_ ((int, int, double));
3032 extern void syms_of_indent
P_ ((void));
3034 /* defined in frame.c */
3035 #ifdef HAVE_WINDOW_SYSTEM
3036 extern Lisp_Object Vx_resource_name
;
3037 extern Lisp_Object Vx_resource_class
;
3038 #endif /* HAVE_WINDOW_SYSTEM */
3039 extern Lisp_Object Qvisible
;
3040 extern void store_frame_param
P_ ((struct frame
*, Lisp_Object
, Lisp_Object
));
3041 extern void store_in_alist
P_ ((Lisp_Object
*, Lisp_Object
, Lisp_Object
));
3042 extern Lisp_Object do_switch_frame
P_ ((Lisp_Object
, int, int));
3043 extern Lisp_Object get_frame_param
P_ ((struct frame
*, Lisp_Object
));
3044 extern Lisp_Object frame_buffer_predicate
P_ ((Lisp_Object
));
3046 EXFUN (Fselect_frame
, 1);
3047 EXFUN (Fselected_frame
, 0);
3048 EXFUN (Fwindow_frame
, 1);
3049 EXFUN (Fframe_root_window
, 1);
3050 EXFUN (Fframe_first_window
, 1);
3051 EXFUN (Fframe_selected_window
, 1);
3052 EXFUN (Fframe_list
, 0);
3053 EXFUN (Fnext_frame
, 2);
3054 EXFUN (Fdelete_frame
, 2);
3055 EXFUN (Fset_mouse_position
, 3);
3056 EXFUN (Fmake_frame_visible
, 1);
3057 EXFUN (Fmake_frame_invisible
, 2);
3058 EXFUN (Ficonify_frame
, 1);
3059 EXFUN (Fframe_visible_p
, 1);
3060 EXFUN (Fvisible_frame_list
, 0);
3061 EXFUN (Fframe_parameter
, 2);
3062 EXFUN (Fframe_parameters
, 1);
3063 EXFUN (Fmodify_frame_parameters
, 2);
3064 EXFUN (Fframe_with_environment
, 1);
3065 EXFUN (Fset_frame_height
, 3);
3066 EXFUN (Fset_frame_width
, 3);
3067 EXFUN (Fset_frame_size
, 3);
3068 EXFUN (Fset_frame_position
, 3);
3069 EXFUN (Fraise_frame
, 1);
3070 EXFUN (Fredirect_frame_focus
, 2);
3071 EXFUN (Fset_frame_selected_window
, 2);
3072 extern Lisp_Object frame_buffer_list
P_ ((Lisp_Object
));
3073 extern void frames_discard_buffer
P_ ((Lisp_Object
));
3074 extern void set_frame_buffer_list
P_ ((Lisp_Object
, Lisp_Object
));
3075 extern void frames_bury_buffer
P_ ((Lisp_Object
));
3076 extern void syms_of_frame
P_ ((void));
3078 /* defined in emacs.c */
3079 extern Lisp_Object decode_env_path
P_ ((char *, char *));
3080 extern Lisp_Object Vinvocation_name
, Vinvocation_directory
;
3081 extern Lisp_Object Vinstallation_directory
;
3082 extern Lisp_Object empty_unibyte_string
, empty_multibyte_string
;
3083 EXFUN (Fkill_emacs
, 1);
3085 void fixup_locale
P_ ((void));
3086 void synchronize_system_messages_locale
P_ ((void));
3087 void synchronize_system_time_locale
P_ ((void));
3089 #define setlocale(category, locale)
3090 #define fixup_locale()
3091 #define synchronize_system_messages_locale()
3092 #define synchronize_system_time_locale()
3094 void shut_down_emacs
P_ ((int, int, Lisp_Object
));
3095 /* Nonzero means don't do interactive redisplay and don't change tty modes */
3096 extern int noninteractive
;
3097 /* Nonzero means don't do use window-system-specific display code */
3098 extern int inhibit_window_system
;
3099 /* Nonzero means that a filter or a sentinel is running. */
3100 extern int running_asynch_code
;
3102 /* defined in process.c */
3103 EXFUN (Fget_process
, 1);
3104 EXFUN (Fget_buffer_process
, 1);
3105 EXFUN (Fprocessp
, 1);
3106 EXFUN (Fprocess_status
, 1);
3107 EXFUN (Fkill_process
, 2);
3108 EXFUN (Fprocess_send_eof
, 1);
3109 EXFUN (Fwaiting_for_user_input_p
, 0);
3110 extern Lisp_Object Qprocessp
;
3111 extern void kill_buffer_processes
P_ ((Lisp_Object
));
3112 extern int wait_reading_process_output
P_ ((int, int, int, int,
3114 struct Lisp_Process
*,
3116 extern void add_keyboard_wait_descriptor
P_ ((int));
3117 extern void delete_keyboard_wait_descriptor
P_ ((int));
3118 extern void add_gpm_wait_descriptor
P_ ((int));
3119 extern void delete_gpm_wait_descriptor
P_ ((int));
3120 extern void close_process_descs
P_ ((void));
3121 extern void init_process
P_ ((void));
3122 extern void syms_of_process
P_ ((void));
3123 extern void setup_process_coding_systems
P_ ((Lisp_Object
));
3125 /* defined in callproc.c */
3126 extern Lisp_Object Vexec_path
, Vexec_suffixes
,
3127 Vexec_directory
, Vdata_directory
;
3128 extern Lisp_Object Vdoc_directory
;
3129 EXFUN (Fcall_process
, MANY
);
3130 extern int child_setup
P_ ((int, int, int, char **, int, Lisp_Object
));
3131 extern void init_callproc_1
P_ ((void));
3132 extern void init_callproc
P_ ((void));
3133 extern void set_initial_environment
P_ ((void));
3134 extern void syms_of_callproc
P_ ((void));
3136 /* defined in doc.c */
3137 extern Lisp_Object Vdoc_file_name
;
3138 EXFUN (Fsubstitute_command_keys
, 1);
3139 EXFUN (Fdocumentation
, 2);
3140 EXFUN (Fdocumentation_property
, 3);
3141 extern Lisp_Object read_doc_string
P_ ((Lisp_Object
));
3142 extern Lisp_Object get_doc_string
P_ ((Lisp_Object
, int, int));
3143 extern void syms_of_doc
P_ ((void));
3144 extern int read_bytecode_char
P_ ((int));
3146 /* defined in bytecode.c */
3147 extern Lisp_Object Qbytecode
;
3148 EXFUN (Fbyte_code
, 3);
3149 extern void syms_of_bytecode
P_ ((void));
3150 extern struct byte_stack
*byte_stack_list
;
3151 extern void mark_byte_stack
P_ ((void));
3152 extern void unmark_byte_stack
P_ ((void));
3154 /* defined in macros.c */
3155 extern Lisp_Object Qexecute_kbd_macro
;
3156 EXFUN (Fexecute_kbd_macro
, 3);
3157 EXFUN (Fcancel_kbd_macro_events
, 0);
3158 extern void init_macros
P_ ((void));
3159 extern void syms_of_macros
P_ ((void));
3161 /* defined in undo.c */
3162 extern Lisp_Object Qinhibit_read_only
;
3163 EXFUN (Fundo_boundary
, 0);
3164 extern void truncate_undo_list
P_ ((struct buffer
*));
3165 extern void record_marker_adjustment
P_ ((Lisp_Object
, int));
3166 extern void record_insert
P_ ((int, int));
3167 extern void record_delete
P_ ((int, Lisp_Object
));
3168 extern void record_first_change
P_ ((void));
3169 extern void record_change
P_ ((int, int));
3170 extern void record_property_change
P_ ((int, int, Lisp_Object
, Lisp_Object
,
3172 extern void syms_of_undo
P_ ((void));
3173 extern Lisp_Object Vundo_outer_limit
;
3175 /* defined in textprop.c */
3176 extern Lisp_Object Qfont
, Qmouse_face
;
3177 extern Lisp_Object Qinsert_in_front_hooks
, Qinsert_behind_hooks
;
3178 EXFUN (Fnext_single_property_change
, 4);
3179 EXFUN (Fnext_single_char_property_change
, 4);
3180 EXFUN (Fprevious_single_property_change
, 4);
3181 EXFUN (Fput_text_property
, 5);
3182 EXFUN (Fprevious_char_property_change
, 2);
3183 EXFUN (Fnext_char_property_change
, 2);
3184 extern void report_interval_modification
P_ ((Lisp_Object
, Lisp_Object
));
3185 extern Lisp_Object next_single_char_property_change
P_ ((Lisp_Object
,
3190 /* defined in xmenu.c */
3191 EXFUN (Fx_popup_menu
, 2);
3192 EXFUN (Fx_popup_dialog
, 3);
3193 extern void syms_of_xmenu
P_ ((void));
3195 /* defined in termchar.h */
3196 struct tty_display_info
;
3198 /* defined in termhooks.h */
3201 /* defined in sysdep.c */
3202 #ifndef HAVE_GET_CURRENT_DIR_NAME
3203 extern char *get_current_dir_name
P_ ((void));
3205 extern void stuff_char
P_ ((char c
));
3206 extern void init_sigio
P_ ((int));
3207 extern void sys_subshell
P_ ((void));
3208 extern void sys_suspend
P_ ((void));
3209 extern void discard_tty_input
P_ ((void));
3210 extern void init_sys_modes
P_ ((struct tty_display_info
*));
3211 extern void reset_sys_modes
P_ ((struct tty_display_info
*));
3212 extern void init_all_sys_modes
P_ ((void));
3213 extern void reset_all_sys_modes
P_ ((void));
3214 extern void wait_for_termination
P_ ((int));
3215 extern void flush_pending_output
P_ ((int));
3216 extern void child_setup_tty
P_ ((int));
3217 extern void setup_pty
P_ ((int));
3218 extern int set_window_size
P_ ((int, int, int));
3219 extern void create_process
P_ ((Lisp_Object
, char **, Lisp_Object
));
3220 extern int emacs_open
P_ ((const char *, int, int));
3221 extern int emacs_close
P_ ((int));
3222 extern int emacs_read
P_ ((int, char *, unsigned int));
3223 extern int emacs_write
P_ ((int, const char *, unsigned int));
3225 /* defined in filelock.c */
3226 EXFUN (Funlock_buffer
, 0);
3227 EXFUN (Ffile_locked_p
, 1);
3228 extern void unlock_all_files
P_ ((void));
3229 extern void lock_file
P_ ((Lisp_Object
));
3230 extern void unlock_file
P_ ((Lisp_Object
));
3231 extern void unlock_buffer
P_ ((struct buffer
*));
3232 extern void syms_of_filelock
P_ ((void));
3233 extern void init_filelock
P_ ((void));
3235 /* Defined in sound.c */
3236 extern void syms_of_sound
P_ ((void));
3237 extern void init_sound
P_ ((void));
3239 /* Defined in category.c */
3240 extern void init_category_once
P_ ((void));
3241 extern void syms_of_category
P_ ((void));
3243 /* Defined in ccl.c */
3244 extern void syms_of_ccl
P_ ((void));
3246 /* Defined in dired.c */
3247 EXFUN (Ffile_attributes
, 2);
3248 extern void syms_of_dired
P_ ((void));
3250 /* Defined in term.c */
3251 extern void syms_of_term
P_ ((void));
3252 extern void fatal () NO_RETURN
;
3254 /* Defined in terminal.c */
3255 extern void syms_of_terminal
P_ ((void));
3257 #ifdef HAVE_WINDOW_SYSTEM
3258 /* Defined in fontset.c */
3259 extern void syms_of_fontset
P_ ((void));
3260 EXFUN (Fset_fontset_font
, 4);
3262 /* Defined in xfns.c, w32fns.c, or macfns.c */
3263 EXFUN (Fxw_display_color_p
, 1);
3264 EXFUN (Fx_file_dialog
, 5);
3267 /* Defined in xfaces.c */
3268 EXFUN (Fclear_face_cache
, 1);
3269 extern void syms_of_xfaces
P_ ((void));
3271 #ifndef HAVE_GETLOADAVG
3272 /* Defined in getloadavg.c */
3273 extern int getloadavg
P_ ((double *, int));
3276 #ifdef HAVE_X_WINDOWS
3277 /* Defined in xfns.c */
3278 extern void syms_of_xfns
P_ ((void));
3280 /* Defined in xsmfns.c */
3281 extern void syms_of_xsmfns
P_ ((void));
3283 /* Defined in xselect.c */
3284 EXFUN (Fx_send_client_event
, 6);
3285 extern void syms_of_xselect
P_ ((void));
3287 /* Defined in xterm.c */
3288 extern void syms_of_xterm
P_ ((void));
3289 #endif /* HAVE_X_WINDOWS */
3292 /* Defined in msdos.c */
3293 EXFUN (Fmsdos_downcase_filename
, 1);
3297 /* Defined in macfns.c */
3298 extern void syms_of_macfns
P_ ((void));
3300 /* Defined in macselect.c */
3301 extern void syms_of_macselect
P_ ((void));
3303 /* Defined in macterm.c */
3304 extern void syms_of_macterm
P_ ((void));
3306 /* Defined in macmenu.c */
3307 extern void syms_of_macmenu
P_ ((void));
3309 /* Defined in mac.c */
3310 extern void syms_of_mac
P_ ((void));
3312 extern void init_mac_osx_environment
P_ ((void));
3313 #endif /* MAC_OSX */
3316 /* Nonzero means Emacs has already been initialized.
3317 Used during startup to detect startup of dumped Emacs. */
3318 extern int initialized
;
3320 extern int immediate_quit
; /* Nonzero means ^G can quit instantly */
3322 extern POINTER_TYPE
*xmalloc
P_ ((size_t));
3323 extern POINTER_TYPE
*xrealloc
P_ ((POINTER_TYPE
*, size_t));
3324 extern void xfree
P_ ((POINTER_TYPE
*));
3326 extern char *xstrdup
P_ ((const char *));
3328 extern char *egetenv
P_ ((char *));
3330 /* Set up the name of the machine we're running on. */
3331 extern void init_system_name
P_ ((void));
3333 /* Some systems (e.g., NT) use a different path separator than Unix,
3334 in addition to a device separator. Default the path separator
3335 to '/', and don't test for a device separator in IS_ANY_SEP. */
3338 extern Lisp_Object Vdirectory_sep_char
;
3341 #ifndef DIRECTORY_SEP
3342 #define DIRECTORY_SEP '/'
3344 #ifndef IS_DIRECTORY_SEP
3345 #define IS_DIRECTORY_SEP(_c_) ((_c_) == DIRECTORY_SEP)
3347 #ifndef IS_DEVICE_SEP
3349 #define IS_DEVICE_SEP(_c_) 0
3351 #define IS_DEVICE_SEP(_c_) ((_c_) == DEVICE_SEP)
3355 #define IS_ANY_SEP(_c_) (IS_DIRECTORY_SEP (_c_))
3358 #ifdef SWITCH_ENUM_BUG
3359 #define SWITCH_ENUM_CAST(x) ((int)(x))
3361 #define SWITCH_ENUM_CAST(x) (x)
3364 /* Loop over Lisp list LIST. Signal an error if LIST is not a proper
3365 list, or if it contains circles.
3367 HARE and TORTOISE should be the names of Lisp_Object variables, and
3368 N should be the name of an EMACS_INT variable declared in the
3369 function where the macro is used. Each nested loop should use
3372 In the loop body, HARE is set to each cons of LIST, and N is the
3373 length of the list processed so far. */
3375 #define LIST_END_P(list, obj) \
3380 : (wrong_type_argument (Qlistp, (list))), 1))
3382 #define FOREACH(hare, list, tortoise, n) \
3383 for (tortoise = hare = (list), n = 0; \
3384 !LIST_END_P (list, hare); \
3385 (hare = XCDR (hare), ++n, \
3387 ? (tortoise = XCDR (tortoise), \
3388 (EQ (hare, tortoise) \
3389 && (circular_list_error ((list)), 1))) \
3392 /* The ubiquitous min and max macros. */
3398 #define min(a, b) ((a) < (b) ? (a) : (b))
3399 #define max(a, b) ((a) > (b) ? (a) : (b))
3401 /* Return a fixnum or float, depending on whether VAL fits in a Lisp
3404 #define make_fixnum_or_float(val) \
3405 (FIXNUM_OVERFLOW_P (val) \
3406 ? make_float (val) \
3407 : make_number ((EMACS_INT)(val)))
3410 /* Checks the `cycle check' variable CHECK to see if it indicates that
3411 EL is part of a cycle; CHECK must be either Qnil or a value returned
3412 by an earlier use of CYCLE_CHECK. SUSPICIOUS is the number of
3413 elements after which a cycle might be suspected; after that many
3414 elements, this macro begins consing in order to keep more precise
3417 Returns nil if a cycle was detected, otherwise a new value for CHECK
3420 CHECK is evaluated multiple times, EL and SUSPICIOUS 0 or 1 times, so
3421 the caller should make sure that's ok. */
3423 #define CYCLE_CHECK(check, el, suspicious) \
3426 : (INTEGERP (check) \
3427 ? (XFASTINT (check) < (suspicious) \
3428 ? make_number (XFASTINT (check) + 1) \
3429 : Fcons (el, Qnil)) \
3430 : (!NILP (Fmemq ((el), (check))) \
3432 : Fcons ((el), (check)))))
3435 /* SAFE_ALLOCA normally allocates memory on the stack, but if size is
3436 larger than MAX_ALLOCA, use xmalloc to avoid overflowing the stack. */
3438 #define MAX_ALLOCA 16*1024
3440 extern Lisp_Object
safe_alloca_unwind (Lisp_Object
);
3442 #define USE_SAFE_ALLOCA \
3443 int sa_count = SPECPDL_INDEX (), sa_must_free = 0
3445 /* SAFE_ALLOCA allocates a simple buffer. */
3447 #define SAFE_ALLOCA(buf, type, size) \
3449 if ((size) < MAX_ALLOCA) \
3450 buf = (type) alloca (size); \
3453 buf = (type) xmalloc (size); \
3455 record_unwind_protect (safe_alloca_unwind, \
3456 make_save_value (buf, 0)); \
3460 /* SAFE_FREE frees xmalloced memory and enables GC as needed. */
3462 #define SAFE_FREE() \
3464 if (sa_must_free) { \
3466 unbind_to (sa_count, Qnil); \
3471 /* SAFE_ALLOCA_LISP allocates an array of Lisp_Objects. */
3473 #define SAFE_ALLOCA_LISP(buf, nelt) \
3475 int size_ = (nelt) * sizeof (Lisp_Object); \
3476 if (size_ < MAX_ALLOCA) \
3477 buf = (Lisp_Object *) alloca (size_); \
3481 buf = (Lisp_Object *) xmalloc (size_); \
3482 arg_ = make_save_value (buf, nelt); \
3483 XSAVE_VALUE (arg_)->dogc = 1; \
3485 record_unwind_protect (safe_alloca_unwind, arg_); \
3490 #endif /* EMACS_LISP_H */
3492 /* arch-tag: 9b2ed020-70eb-47ac-94ee-e1c2a5107d5e
3493 (do not change this comment) */