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 2, or (at your option)
12 GNU Emacs is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with GNU Emacs; see the file COPYING. If not, write to
19 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
20 Boston, MA 02110-1301, USA. */
25 /* Declare the prototype for a general external function. */
26 #if defined (PROTOTYPES) || defined (WINDOWSNT)
27 #define P_(proto) proto
33 /* Define this temporarily to hunt a bug. If defined, the size of
34 strings is redundantly recorded in sdata structures so that it can
35 be compared to the sizes recorded in Lisp strings. */
37 #define GC_CHECK_STRING_BYTES 1
39 /* Define this to check for short string overrun. */
41 #define GC_CHECK_STRING_OVERRUN 1
43 /* Define this to check the string free list. */
45 #define GC_CHECK_STRING_FREE_LIST 1
47 /* Define this to check for malloc buffer overrun. */
49 #define XMALLOC_OVERRUN_CHECK 1
51 /* Define this to check for errors in cons list. */
52 /* #define GC_CHECK_CONS_LIST 1 */
56 #ifdef GC_CHECK_CONS_LIST
57 #define CHECK_CONS_LIST() check_cons_list()
59 #define CHECK_CONS_LIST() 0
62 /* These are default choices for the types to use. */
65 #define EMACS_INT long
66 #define BITS_PER_EMACS_INT BITS_PER_LONG
69 #define EMACS_UINT unsigned long
74 #define BITS_PER_EMACS_INT BITS_PER_INT
77 #define EMACS_UINT unsigned int
81 /* Extra internal type checking? */
82 extern int suppress_checking
;
83 extern void die
P_((const char *, const char *, int)) NO_RETURN
;
85 #ifdef ENABLE_CHECKING
87 #define CHECK(check,msg) (((check) || suppress_checking \
89 : die ((msg), __FILE__, __LINE__)), \
93 /* Produce same side effects and result, but don't complain. */
94 #define CHECK(check,msg) ((check),0)
98 /* Used for making sure that Emacs is compilable in all
101 #ifdef USE_LISP_UNION_TYPE
105 /* Define an Emacs version of "assert", since some system ones are
107 #ifndef ENABLE_CHECKING
108 #define eassert(X) (void) 0
109 #else /* ENABLE_CHECKING */
110 #if defined (__GNUC__) && __GNUC__ >= 2 && defined (__STDC__)
111 #define eassert(cond) CHECK(cond,"assertion failed: " #cond)
113 #define eassert(cond) CHECK(cond,"assertion failed")
115 #endif /* ENABLE_CHECKING */
117 /* Define the fundamental Lisp data structures. */
119 /* This is the set of Lisp data types. */
123 /* Integer. XINT (obj) is the integer value. */
126 /* Symbol. XSYMBOL (object) points to a struct Lisp_Symbol. */
129 /* Miscellaneous. XMISC (object) points to a union Lisp_Misc,
130 whose first member indicates the subtype. */
133 /* String. XSTRING (object) points to a struct Lisp_String.
134 The length of the string, and its contents, are stored therein. */
137 /* Vector of Lisp objects, or something resembling it.
138 XVECTOR (object) points to a struct Lisp_Vector, which contains
139 the size and contents. The size field also contains the type
140 information, if it's not a real vector object. */
143 /* Cons. XCONS (object) points to a struct Lisp_Cons. */
148 /* This is not a type code. It is for range checking. */
152 /* This is the set of data types that share a common structure.
153 The first member of the structure is a type code from this set.
154 The enum values are arbitrary, but we'll use large numbers to make it
155 more likely that we'll spot the error if a random word in memory is
156 mistakenly interpreted as a Lisp_Misc. */
159 Lisp_Misc_Free
= 0x5eab,
164 Lisp_Misc_Buffer_Objfwd
,
165 Lisp_Misc_Buffer_Local_Value
,
166 Lisp_Misc_Some_Buffer_Local_Value
,
168 Lisp_Misc_Kboard_Objfwd
,
169 Lisp_Misc_Save_Value
,
170 /* Currently floats are not a misc type,
171 but let's define this in case we want to change that. */
173 /* This is not a type code. It is for range checking. */
181 /* These values are overridden by the m- file on some machines. */
183 #define VALBITS (BITS_PER_EMACS_INT - GCTYPEBITS)
186 #ifndef NO_UNION_TYPE
188 #ifndef WORDS_BIG_ENDIAN
190 /* Definition of Lisp_Object for little-endian machines. */
195 /* Used for comparing two Lisp_Objects;
196 also, positive integers can be accessed fast this way. */
201 EMACS_INT val
: VALBITS
;
202 enum Lisp_Type type
: GCTYPEBITS
;
206 EMACS_UINT val
: VALBITS
;
207 enum Lisp_Type type
: GCTYPEBITS
;
212 #else /* If WORDS_BIG_ENDIAN */
217 /* Used for comparing two Lisp_Objects;
218 also, positive integers can be accessed fast this way. */
223 enum Lisp_Type type
: GCTYPEBITS
;
224 EMACS_INT val
: VALBITS
;
228 enum Lisp_Type type
: GCTYPEBITS
;
229 EMACS_UINT val
: VALBITS
;
234 #endif /* WORDS_BIG_ENDIAN */
237 static __inline__ Lisp_Object
238 LISP_MAKE_RVALUE (Lisp_Object o
)
243 /* This isn't quite right - it keeps the argument as an lvalue.
244 Making it const via casting would help avoid code actually
245 modifying the location in question, but the casting could cover
246 other type-related bugs. */
247 #define LISP_MAKE_RVALUE(o) (o)
250 #endif /* NO_UNION_TYPE */
253 /* If union type is not wanted, define Lisp_Object as just a number. */
256 typedef EMACS_INT Lisp_Object
;
257 #define LISP_MAKE_RVALUE(o) (0+(o))
258 #endif /* NO_UNION_TYPE */
260 /* Two flags that are set during GC. On some machines, these flags
261 are defined differently by the m- file. */
263 /* In the size word of a vector, this bit means the vector has been marked. */
265 #ifndef ARRAY_MARK_FLAG
266 #define ARRAY_MARK_FLAG ((EMACS_INT) ((EMACS_UINT) 1 << (VALBITS + GCTYPEBITS - 1)))
267 #endif /* no ARRAY_MARK_FLAG */
269 /* In the size word of a struct Lisp_Vector, this bit means it's really
270 some other vector-like object. */
271 #ifndef PSEUDOVECTOR_FLAG
272 #define PSEUDOVECTOR_FLAG ((ARRAY_MARK_FLAG >> 1) & ~ARRAY_MARK_FLAG)
275 /* In a pseudovector, the size field actually contains a word with one
276 PSEUDOVECTOR_FLAG bit set, and exactly one of the following bits to
277 indicate the actual type. */
280 PVEC_NORMAL_VECTOR
= 0,
281 PVEC_PROCESS
= 0x200,
283 PVEC_COMPILED
= 0x800,
284 PVEC_WINDOW
= 0x1000,
285 PVEC_WINDOW_CONFIGURATION
= 0x2000,
287 PVEC_CHAR_TABLE
= 0x8000,
288 PVEC_BOOL_VECTOR
= 0x10000,
289 PVEC_BUFFER
= 0x20000,
290 PVEC_HASH_TABLE
= 0x40000,
291 PVEC_SUB_CHAR_TABLE
= 0x80000,
292 PVEC_TYPE_MASK
= 0x0ffe00
294 #if 0 /* This is used to make the value of PSEUDOVECTOR_FLAG available to
295 GDB. It doesn't work on OS Alpha. Moved to a variable in
297 PVEC_FLAG
= PSEUDOVECTOR_FLAG
301 /* For convenience, we also store the number of elements in these bits.
302 Note that this size is not necessarily the memory-footprint size, but
303 only the number of Lisp_Object fields (that need to be traced by the GC).
304 The distinction is used e.g. by Lisp_Process which places extra
305 non-Lisp_Object fields at the end of the structure. */
306 #define PSEUDOVECTOR_SIZE_MASK 0x1ff
308 /* Number of bits to put in each character in the internal representation
309 of bool vectors. This should not vary across implementations. */
310 #define BOOL_VECTOR_BITS_PER_CHAR 8
312 /***** Select the tagging scheme. *****/
313 /* There are basically two options that control the tagging scheme:
314 - NO_UNION_TYPE says that Lisp_Object should be an integer instead
316 - USE_LSB_TAG means that we can assume the least 3 bits of pointers are
317 always 0, and we can thus use them to hold tag bits, without
318 restricting our addressing space.
320 If USE_LSB_TAG is not set, then we use the top 3 bits for tagging, thus
321 restricting our possible address range. Currently USE_LSB_TAG is not
322 allowed together with a union. This is not due to any fundamental
323 technical (or political ;-) problem: nobody wrote the code to do it yet.
325 USE_LSB_TAG not only requires the least 3 bits of pointers returned by
326 malloc to be 0 but also needs to be able to impose a mult-of-8 alignment
327 on the few static Lisp_Objects used: all the defsubr as well
328 as the two special buffers buffer_defaults and buffer_local_symbols. */
330 /* First, try and define DECL_ALIGN(type,var) which declares a static
331 variable VAR of type TYPE with the added requirement that it be
333 #ifndef NO_DECL_ALIGN
335 /* What compiler directive should we use for non-gcc compilers? -stef */
336 # if defined (__GNUC__)
337 # define DECL_ALIGN(type, var) \
338 type __attribute__ ((__aligned__ (1 << GCTYPEBITS))) var
343 /* Let's USE_LSB_TAG on systems where we know malloc returns mult-of-8. */
344 #if defined GNU_MALLOC || defined DOUG_LEA_MALLOC || defined __GLIBC__ || defined MAC_OSX
345 /* We also need to be able to specify mult-of-8 alignment on static vars. */
346 # if defined DECL_ALIGN
347 /* We currently do not support USE_LSB_TAG with a union Lisp_Object. */
348 # if defined NO_UNION_TYPE
354 /* If we cannot use 8-byte alignment, make DECL_ALIGN a no-op. */
357 # error "USE_LSB_TAG used without defining DECL_ALIGN"
359 # define DECL_ALIGN(type, var) type var
363 /* These macros extract various sorts of values from a Lisp_Object.
364 For example, if tem is a Lisp_Object whose type is Lisp_Cons,
365 XCONS (tem) is the struct Lisp_Cons * pointing to the memory for that cons. */
371 #define TYPEMASK ((((EMACS_INT) 1) << GCTYPEBITS) - 1)
372 #define XTYPE(a) ((enum Lisp_Type) (((EMACS_UINT) (a)) & TYPEMASK))
373 #define XINT(a) (((EMACS_INT) (a)) >> GCTYPEBITS)
374 #define XUINT(a) (((EMACS_UINT) (a)) >> GCTYPEBITS)
375 #define XSET(var, type, ptr) \
376 (eassert (XTYPE (ptr) == 0), /* Check alignment. */ \
377 (var) = ((EMACS_INT) (type)) | ((EMACS_INT) (ptr)))
378 #define make_number(N) (((EMACS_INT) (N)) << GCTYPEBITS)
380 /* XFASTINT and XSETFASTINT are for use when the integer is known to be
381 positive, in which case the implementation can sometimes be faster
382 depending on the tagging scheme. With USE_LSB_TAG, there's no benefit. */
383 #define XFASTINT(a) XINT (a)
384 #define XSETFASTINT(a, b) ((a) = make_number (b))
386 #define XPNTR(a) ((EMACS_INT) ((a) & ~TYPEMASK))
388 #else /* not USE_LSB_TAG */
390 #define VALMASK ((((EMACS_INT) 1) << VALBITS) - 1)
392 /* One need to override this if there must be high bits set in data space
393 (doing the result of the below & ((1 << (GCTYPE + 1)) - 1) would work
394 on all machines, but would penalize machines which don't need it)
396 #define XTYPE(a) ((enum Lisp_Type) (((EMACS_UINT) (a)) >> VALBITS))
398 /* For integers known to be positive, XFASTINT provides fast retrieval
399 and XSETFASTINT provides fast storage. This takes advantage of the
400 fact that Lisp_Int is 0. */
401 #define XFASTINT(a) ((a) + 0)
402 #define XSETFASTINT(a, b) ((a) = (b))
404 /* Extract the value of a Lisp_Object as a signed integer. */
406 #ifndef XINT /* Some machines need to do this differently. */
407 #define XINT(a) ((((EMACS_INT) (a)) << (BITS_PER_EMACS_INT - VALBITS)) \
408 >> (BITS_PER_EMACS_INT - VALBITS))
411 /* Extract the value as an unsigned integer. This is a basis
412 for extracting it as a pointer to a structure in storage. */
415 #define XUINT(a) ((EMACS_UINT) ((a) & VALMASK))
419 #define XSET(var, type, ptr) \
420 ((var) = ((EMACS_INT)(type) << VALBITS) + ((EMACS_INT) (ptr) & VALMASK))
423 /* Convert a C integer into a Lisp_Object integer. */
425 #define make_number(N) \
426 ((((EMACS_INT) (N)) & VALMASK) | ((EMACS_INT) Lisp_Int) << VALBITS)
428 #endif /* not USE_LSB_TAG */
430 #define EQ(x, y) ((x) == (y))
432 #else /* not NO_UNION_TYPE */
434 #define XTYPE(a) ((enum Lisp_Type) (a).u.type)
436 /* For integers known to be positive, XFASTINT provides fast retrieval
437 and XSETFASTINT provides fast storage. This takes advantage of the
438 fact that Lisp_Int is 0. */
439 #define XFASTINT(a) ((a).i + 0)
440 #define XSETFASTINT(a, b) ((a).i = (b))
442 #ifdef EXPLICIT_SIGN_EXTEND
443 /* Make sure we sign-extend; compilers have been known to fail to do so. */
444 #define XINT(a) (((a).s.val << (BITS_PER_EMACS_INT - VALBITS)) \
445 >> (BITS_PER_EMACS_INT - VALBITS))
447 #define XINT(a) ((a).s.val)
448 #endif /* EXPLICIT_SIGN_EXTEND */
450 #define XUINT(a) ((a).u.val)
452 #define XSET(var, vartype, ptr) \
453 (((var).s.val = ((EMACS_INT) (ptr))), ((var).s.type = ((char) (vartype))))
455 #if __GNUC__ >= 2 && defined (__OPTIMIZE__)
456 #define make_number(N) \
457 (__extension__ ({ Lisp_Object _l; _l.s.val = (N); _l.s.type = Lisp_Int; _l; }))
459 extern Lisp_Object make_number
P_ ((EMACS_INT
));
462 #define EQ(x, y) ((x).i == (y).i)
464 #endif /* NO_UNION_TYPE */
466 /* During garbage collection, XGCTYPE must be used for extracting types
467 so that the mark bit is ignored. XMARKBIT accesses the markbit.
468 Markbits are used only in particular slots of particular structure types.
469 Other markbits are always zero.
470 Outside of garbage collection, all mark bits are always zero. */
473 /* The distinction does not exist now that the MARKBIT has been eliminated. */
474 #define XGCTYPE(a) XTYPE (a)
479 /* In this representation, data is found in two widely separated segments. */
480 extern size_t pure_size
;
482 (XUINT (a) | (XUINT (a) > pure_size ? DATA_SEG_BITS : PURE_SEG_BITS))
483 #else /* not HAVE_SHM */
485 /* This case is used for the rt-pc.
486 In the diffs I was given, it checked for ptr = 0
487 and did not adjust it in that case.
488 But I don't think that zero should ever be found
489 in a Lisp object whose data type says it points to something. */
490 #define XPNTR(a) (XUINT (a) | DATA_SEG_BITS)
492 /* Some versions of gcc seem to consider the bitfield width when
493 issuing the "cast to pointer from integer of different size"
494 warning, so the cast is here to widen the value back to its natural
496 #define XPNTR(a) ((EMACS_INT) XUINT (a))
498 #endif /* not HAVE_SHM */
499 #endif /* no XPNTR */
501 /* Largest and smallest representable fixnum values. These are the C
504 #define MOST_NEGATIVE_FIXNUM - ((EMACS_INT) 1 << (VALBITS - 1))
505 #define MOST_POSITIVE_FIXNUM (((EMACS_INT) 1 << (VALBITS - 1)) - 1)
506 /* Mask indicating the significant bits of a Lisp_Int.
507 I.e. (x & INTMASK) == XUINT (make_number (x)). */
508 #define INTMASK ((((EMACS_INT) 1) << VALBITS) - 1)
510 /* Value is non-zero if C integer I doesn't fit into a Lisp fixnum. */
512 #define FIXNUM_OVERFLOW_P(i) \
513 ((EMACS_INT)(i) > MOST_POSITIVE_FIXNUM \
514 || (EMACS_INT) (i) < MOST_NEGATIVE_FIXNUM)
516 /* Extract a value or address from a Lisp_Object. */
518 #define XCONS(a) (eassert (GC_CONSP(a)),(struct Lisp_Cons *) XPNTR(a))
519 #define XVECTOR(a) (eassert (GC_VECTORLIKEP(a)),(struct Lisp_Vector *) XPNTR(a))
520 #define XSTRING(a) (eassert (GC_STRINGP(a)),(struct Lisp_String *) XPNTR(a))
521 #define XSYMBOL(a) (eassert (GC_SYMBOLP(a)),(struct Lisp_Symbol *) XPNTR(a))
522 #define XFLOAT(a) (eassert (GC_FLOATP(a)),(struct Lisp_Float *) XPNTR(a))
526 #define XMISC(a) ((union Lisp_Misc *) XPNTR(a))
527 #define XMISCTYPE(a) (XMARKER (a)->type)
528 #define XMARKER(a) (&(XMISC(a)->u_marker))
529 #define XINTFWD(a) (&(XMISC(a)->u_intfwd))
530 #define XBOOLFWD(a) (&(XMISC(a)->u_boolfwd))
531 #define XOBJFWD(a) (&(XMISC(a)->u_objfwd))
532 #define XBUFFER_OBJFWD(a) (&(XMISC(a)->u_buffer_objfwd))
533 #define XBUFFER_LOCAL_VALUE(a) (&(XMISC(a)->u_buffer_local_value))
534 #define XOVERLAY(a) (&(XMISC(a)->u_overlay))
535 #define XKBOARD_OBJFWD(a) (&(XMISC(a)->u_kboard_objfwd))
536 #define XSAVE_VALUE(a) (&(XMISC(a)->u_save_value))
538 /* Pseudovector types. */
540 #define XPROCESS(a) (eassert (GC_PROCESSP(a)),(struct Lisp_Process *) XPNTR(a))
541 #define XWINDOW(a) (eassert (GC_WINDOWP(a)),(struct window *) XPNTR(a))
542 #define XSUBR(a) (eassert (GC_SUBRP(a)),(struct Lisp_Subr *) XPNTR(a))
543 #define XBUFFER(a) (eassert (GC_BUFFERP(a)),(struct buffer *) XPNTR(a))
544 #define XCHAR_TABLE(a) ((struct Lisp_Char_Table *) XPNTR(a))
545 #define XSUB_CHAR_TABLE(a) ((struct Lisp_Sub_Char_Table *) XPNTR(a))
546 #define XBOOL_VECTOR(a) ((struct Lisp_Bool_Vector *) XPNTR(a))
548 /* Construct a Lisp_Object from a value or address. */
550 #define XSETINT(a, b) (a) = make_number (b)
551 #define XSETCONS(a, b) XSET (a, Lisp_Cons, b)
552 #define XSETVECTOR(a, b) XSET (a, Lisp_Vectorlike, b)
553 #define XSETSTRING(a, b) XSET (a, Lisp_String, b)
554 #define XSETSYMBOL(a, b) XSET (a, Lisp_Symbol, b)
555 #define XSETFLOAT(a, b) XSET (a, Lisp_Float, b)
559 #define XSETMISC(a, b) XSET (a, Lisp_Misc, b)
560 #define XSETMARKER(a, b) (XSETMISC (a, b), XMISCTYPE (a) = Lisp_Misc_Marker)
562 /* Pseudovector types. */
564 #define XSETPSEUDOVECTOR(a, b, code) \
565 (XSETVECTOR (a, b), XVECTOR (a)->size |= PSEUDOVECTOR_FLAG | (code))
566 #define XSETWINDOW_CONFIGURATION(a, b) \
567 (XSETPSEUDOVECTOR (a, b, PVEC_WINDOW_CONFIGURATION))
568 #define XSETPROCESS(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_PROCESS))
569 #define XSETWINDOW(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_WINDOW))
570 #define XSETSUBR(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_SUBR))
571 #define XSETCOMPILED(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_COMPILED))
572 #define XSETBUFFER(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_BUFFER))
573 #define XSETCHAR_TABLE(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_CHAR_TABLE))
574 #define XSETBOOL_VECTOR(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_BOOL_VECTOR))
575 #define XSETSUB_CHAR_TABLE(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_SUB_CHAR_TABLE))
577 /* Convenience macros for dealing with Lisp arrays. */
579 #define AREF(ARRAY, IDX) XVECTOR ((ARRAY))->contents[IDX]
580 #define ASET(ARRAY, IDX, VAL) (AREF ((ARRAY), (IDX)) = (VAL))
581 #define ASIZE(ARRAY) XVECTOR ((ARRAY))->size
583 /* Convenience macros for dealing with Lisp strings. */
585 #define SREF(string, index) (XSTRING (string)->data[index] + 0)
586 #define SSET(string, index, new) (XSTRING (string)->data[index] = (new))
587 #define SDATA(string) (XSTRING (string)->data + 0)
588 #define SCHARS(string) (XSTRING (string)->size + 0)
589 #define SBYTES(string) (STRING_BYTES (XSTRING (string)) + 0)
591 #define STRING_SET_CHARS(string, newsize) \
592 (XSTRING (string)->size = (newsize))
594 #define STRING_COPYIN(string, index, new, count) \
595 bcopy (new, XSTRING (string)->data + index, count)
599 #define CHECK_TYPE(ok, Qxxxp, x) \
600 do { if (!(ok)) wrong_type_argument (Qxxxp, (x)); } while (0)
604 /* See the macros in intervals.h. */
606 typedef struct interval
*INTERVAL
;
608 /* Complain if object is not string or buffer type */
609 #define CHECK_STRING_OR_BUFFER(x) \
610 CHECK_TYPE (STRINGP (x) || BUFFERP (x), Qbuffer_or_string_p, x)
613 /* In a cons, the markbit of the car is the gc mark bit */
617 /* Please do not use the names of these elements in code other
618 than the core lisp implementation. Use XCAR and XCDR below. */
619 #ifdef HIDE_LISP_IMPLEMENTATION
624 struct Lisp_Cons
*chain
;
631 struct Lisp_Cons
*chain
;
636 /* Take the car or cdr of something known to be a cons cell. */
637 /* The _AS_LVALUE macros shouldn't be used outside of the minimal set
638 of code that has to know what a cons cell looks like. Other code not
639 part of the basic lisp implementation should assume that the car and cdr
640 fields are not accessible as lvalues. (What if we want to switch to
641 a copying collector someday? Cached cons cell field addresses may be
642 invalidated at arbitrary points.) */
643 #ifdef HIDE_LISP_IMPLEMENTATION
644 #define XCAR_AS_LVALUE(c) (XCONS ((c))->car_)
645 #define XCDR_AS_LVALUE(c) (XCONS ((c))->u.cdr_)
647 #define XCAR_AS_LVALUE(c) (XCONS ((c))->car)
648 #define XCDR_AS_LVALUE(c) (XCONS ((c))->u.cdr)
651 /* Use these from normal code. */
652 #define XCAR(c) LISP_MAKE_RVALUE(XCAR_AS_LVALUE(c))
653 #define XCDR(c) LISP_MAKE_RVALUE(XCDR_AS_LVALUE(c))
655 /* Use these to set the fields of a cons cell.
657 Note that both arguments may refer to the same object, so 'n'
658 should not be read after 'c' is first modified. Also, neither
659 argument should be evaluated more than once; side effects are
660 especially common in the second argument. */
661 #define XSETCAR(c,n) (XCAR_AS_LVALUE(c) = (n))
662 #define XSETCDR(c,n) (XCDR_AS_LVALUE(c) = (n))
664 /* For performance: Fast storage of positive integers into the
665 fields of a cons cell. See above caveats. */
666 #define XSETCARFASTINT(c,n) XSETFASTINT(XCAR_AS_LVALUE(c),(n))
667 #define XSETCDRFASTINT(c,n) XSETFASTINT(XCDR_AS_LVALUE(c),(n))
669 /* Take the car or cdr of something whose type is not known. */
671 (CONSP ((c)) ? XCAR ((c)) \
672 : NILP ((c)) ? Qnil \
673 : wrong_type_argument (Qlistp, (c)))
676 (CONSP ((c)) ? XCDR ((c)) \
677 : NILP ((c)) ? Qnil \
678 : wrong_type_argument (Qlistp, (c)))
680 /* Take the car or cdr of something whose type is not known. */
681 #define CAR_SAFE(c) \
682 (CONSP ((c)) ? XCAR ((c)) : Qnil)
684 #define CDR_SAFE(c) \
685 (CONSP ((c)) ? XCDR ((c)) : Qnil)
687 /* Nonzero if STR is a multibyte string. */
688 #define STRING_MULTIBYTE(STR) \
689 (XSTRING (STR)->size_byte >= 0)
691 /* Return the length in bytes of STR. */
693 #ifdef GC_CHECK_STRING_BYTES
696 extern int string_bytes
P_ ((struct Lisp_String
*));
697 #define STRING_BYTES(S) string_bytes ((S))
699 #else /* not GC_CHECK_STRING_BYTES */
701 #define STRING_BYTES(STR) \
702 ((STR)->size_byte < 0 ? (STR)->size : (STR)->size_byte)
704 #endif /* not GC_CHECK_STRING_BYTES */
706 /* Mark STR as a unibyte string. */
707 #define STRING_SET_UNIBYTE(STR) (XSTRING (STR)->size_byte = -1)
709 /* Get text properties. */
710 #define STRING_INTERVALS(STR) (XSTRING (STR)->intervals + 0)
712 /* Set text properties. */
713 #define STRING_SET_INTERVALS(STR, INT) (XSTRING (STR)->intervals = (INT))
715 /* In a string or vector, the sign bit of the `size' is the gc mark bit */
721 INTERVAL intervals
; /* text properties in this string */
726 #define OFFSETOF(type,field) offsetof(type,field)
728 #define OFFSETOF(type,field) \
729 ((int)((char*)&((type*)0)->field - (char*)0))
735 struct Lisp_Vector
*next
;
736 Lisp_Object contents
[1];
739 /* If a struct is made to look like a vector, this macro returns the length
740 of the shortest vector that would hold that struct. */
741 #define VECSIZE(type) ((sizeof (type) - (sizeof (struct Lisp_Vector) \
742 - sizeof (Lisp_Object)) \
743 + sizeof(Lisp_Object) - 1) /* round up */ \
744 / sizeof (Lisp_Object))
746 /* Like VECSIZE, but used when the pseudo-vector has non-Lisp_Object fields
747 at the end and we need to compute the number of Lisp_Object fields (the
748 ones that the GC needs to trace). */
749 #define PSEUDOVECSIZE(type, nonlispfield) \
750 ((OFFSETOF(type, nonlispfield) - OFFSETOF(struct Lisp_Vector, contents[0])) \
751 / sizeof (Lisp_Object))
753 /* A char-table is a kind of vectorlike, with contents are like a
754 vector but with a few other slots. For some purposes, it makes
755 sense to handle a char-table with type struct Lisp_Vector. An
756 element of a char table can be any Lisp objects, but if it is a sub
757 char-table, we treat it a table that contains information of a
758 specific range of characters. A sub char-table has the same
759 structure as a vector. A sub char table appears only in an element
760 of a char-table, and there's no way to access it directly from
761 Emacs Lisp program. */
763 /* This is the number of slots that every char table must have. This
764 counts the ordinary slots and the top, defalt, parent, and purpose
766 #define CHAR_TABLE_STANDARD_SLOTS (VECSIZE (struct Lisp_Char_Table) - 1)
768 /* Return the number of "extra" slots in the char table CT. */
770 #define CHAR_TABLE_EXTRA_SLOTS(CT) \
771 (((CT)->size & PSEUDOVECTOR_SIZE_MASK) - CHAR_TABLE_STANDARD_SLOTS)
773 /* Almost equivalent to Faref (CT, IDX) with optimization for ASCII
774 characters. Do not check validity of CT. */
775 #define CHAR_TABLE_REF(CT, IDX) \
776 ((ASCII_CHAR_P (IDX) \
777 && SUB_CHAR_TABLE_P (XCHAR_TABLE (CT)->ascii) \
778 && !NILP (XSUB_CHAR_TABLE (XCHAR_TABLE (CT)->ascii)->contents[IDX])) \
779 ? XSUB_CHAR_TABLE (XCHAR_TABLE (CT)->ascii)->contents[IDX] \
780 : char_table_ref ((CT), (IDX)))
782 /* Almost equivalent to Faref (CT, IDX). However, if the result is
783 not a character, return IDX.
785 For these characters, do not check validity of CT
786 and do not follow parent. */
787 #define CHAR_TABLE_TRANSLATE(CT, IDX) \
788 char_table_translate (CT, IDX)
790 /* Equivalent to Faset (CT, IDX, VAL) with optimization for ASCII and
791 8-bit European characters. Do not check validity of CT. */
792 #define CHAR_TABLE_SET(CT, IDX, VAL) \
793 (((IDX) >= 0 && ASCII_CHAR_P (IDX) \
794 && SUB_CHAR_TABLE_P (XCHAR_TABLE (CT)->ascii)) \
795 ? XSUB_CHAR_TABLE (XCHAR_TABLE (CT)->ascii)->contents[IDX] = VAL \
796 : char_table_set (CT, IDX, VAL))
798 #define CHARTAB_SIZE_BITS_0 6
799 #define CHARTAB_SIZE_BITS_1 4
800 #define CHARTAB_SIZE_BITS_2 5
801 #define CHARTAB_SIZE_BITS_3 7
803 extern const int chartab_size
[4];
805 struct Lisp_Sub_Char_Table
;
807 struct Lisp_Char_Table
809 /* This is the vector's size field, which also holds the
810 pseudovector type information. It holds the size, too. The size
811 counts the defalt, parent, purpose, ascii, contents, and extras
814 struct Lisp_Vector
*next
;
816 /* This holds a default value,
817 which is used whenever the value for a specific character is nil. */
820 /* This points to another char table, which we inherit from when the
821 value for a specific character is nil. The `defalt' slot takes
822 precedence over this. */
825 /* This is a symbol which says what kind of use this char-table is
829 /* The bottom sub char-table for characters of the range 0..127. It
830 is nil if none of ASCII character has a specific value. */
833 Lisp_Object contents
[(1 << CHARTAB_SIZE_BITS_0
)];
835 /* These hold additional data. It is a vector. */
836 Lisp_Object extras
[1];
839 struct Lisp_Sub_Char_Table
841 /* This is the vector's size field, which also holds the
842 pseudovector type information. It holds the size, too. */
844 struct Lisp_Vector
*next
;
846 /* Depth of this sub char-table. It should be 1, 2, or 3. A sub
847 char-table of depth 1 contains 16 elments, and each element
848 covers 4096 (128*32) characters. A sub char-table of depth 2
849 contains 32 elements, and each element covers 128 characters. A
850 sub char-table of depth 3 contains 128 elements, and each element
851 is for one character. */
854 /* Minimum character covered by the sub char-table. */
855 Lisp_Object min_char
;
857 Lisp_Object contents
[1];
860 /* A boolvector is a kind of vectorlike, with contents are like a string. */
861 struct Lisp_Bool_Vector
863 /* This is the vector's size field. It doesn't have the real size,
864 just the subtype information. */
865 EMACS_INT vector_size
;
866 struct Lisp_Vector
*next
;
867 /* This is the size in bits. */
869 /* This contains the actual bits, packed into bytes. */
870 unsigned char data
[1];
873 /* This structure describes a built-in function.
874 It is generated by the DEFUN macro only.
875 defsubr makes it into a Lisp object.
877 This type is treated in most respects as a pseudovector,
878 but since we never dynamically allocate or free them,
879 we don't need a next-vector field. */
884 Lisp_Object (*function
) ();
885 short min_args
, max_args
;
892 /***********************************************************************
894 ***********************************************************************/
896 /* Interned state of a symbol. */
900 SYMBOL_UNINTERNED
= 0,
902 SYMBOL_INTERNED_IN_INITIAL_OBARRAY
= 2
905 /* In a symbol, the markbit of the plist is used as the gc mark bit */
909 unsigned gcmarkbit
: 1;
911 /* Non-zero means symbol serves as a variable alias. The symbol
912 holding the real value is found in the value slot. */
913 unsigned indirect_variable
: 1;
915 /* Non-zero means symbol is constant, i.e. changing its value
916 should signal an error. */
917 unsigned constant
: 1;
919 /* Interned state of the symbol. This is an enumerator from
920 enum symbol_interned. */
921 unsigned interned
: 2;
923 /* The symbol's name, as a Lisp string.
925 The name "xname" is used to intentionally break code referring to
926 the old field "name" of type pointer to struct Lisp_String. */
929 /* Value of the symbol or Qunbound if unbound. If this symbol is a
930 defvaralias, `value' contains the symbol for which it is an
931 alias. Use the SYMBOL_VALUE and SET_SYMBOL_VALUE macros to get
932 and set a symbol's value, to take defvaralias into account. */
935 /* Function value of the symbol or Qunbound if not fboundp. */
936 Lisp_Object function
;
938 /* The symbol's property list. */
941 /* Next symbol in obarray bucket, if the symbol is interned. */
942 struct Lisp_Symbol
*next
;
945 /* Value is name of symbol. */
947 #define SYMBOL_NAME(sym) \
948 LISP_MAKE_RVALUE (XSYMBOL (sym)->xname)
950 /* Value is non-zero if SYM is an interned symbol. */
952 #define SYMBOL_INTERNED_P(sym) \
953 (XSYMBOL (sym)->interned != SYMBOL_UNINTERNED)
955 /* Value is non-zero if SYM is interned in initial_obarray. */
957 #define SYMBOL_INTERNED_IN_INITIAL_OBARRAY_P(sym) \
958 (XSYMBOL (sym)->interned == SYMBOL_INTERNED_IN_INITIAL_OBARRAY)
960 /* Value is non-zero if symbol is considered a constant, i.e. its
961 value cannot be changed (there is an exception for keyword symbols,
962 whose value can be set to the keyword symbol itself). */
964 #define SYMBOL_CONSTANT_P(sym) XSYMBOL (sym)->constant
966 /* Value is the value of SYM, with defvaralias taken into
969 #define SYMBOL_VALUE(sym) \
970 (XSYMBOL (sym)->indirect_variable \
971 ? XSYMBOL (indirect_variable (sym))->value \
972 : XSYMBOL (sym)->value)
974 /* Set SYM's value to VAL, taking defvaralias into account. */
976 #define SET_SYMBOL_VALUE(sym, val) \
978 if (XSYMBOL (sym)->indirect_variable) \
979 XSYMBOL (indirect_variable ((sym)))->value = (val); \
981 XSYMBOL (sym)->value = (val); \
985 /***********************************************************************
987 ***********************************************************************/
989 /* The structure of a Lisp hash table. */
991 struct Lisp_Hash_Table
993 /* Vector fields. The hash table code doesn't refer to these. */
995 struct Lisp_Vector
*vec_next
;
997 /* Function used to compare keys. */
1000 /* Nil if table is non-weak. Otherwise a symbol describing the
1001 weakness of the table. */
1004 /* When the table is resized, and this is an integer, compute the
1005 new size by adding this to the old size. If a float, compute the
1006 new size by multiplying the old size with this factor. */
1007 Lisp_Object rehash_size
;
1009 /* Resize hash table when number of entries/ table size is >= this
1011 Lisp_Object rehash_threshold
;
1013 /* Number of key/value entries in the table. */
1016 /* Vector of keys and values. The key of item I is found at index
1017 2 * I, the value is found at index 2 * I + 1. */
1018 Lisp_Object key_and_value
;
1020 /* Vector of hash codes.. If hash[I] is nil, this means that that
1021 entry I is unused. */
1024 /* Vector used to chain entries. If entry I is free, next[I] is the
1025 entry number of the next free item. If entry I is non-free,
1026 next[I] is the index of the next entry in the collision chain. */
1029 /* Index of first free entry in free list. */
1030 Lisp_Object next_free
;
1032 /* Bucket vector. A non-nil entry is the index of the first item in
1033 a collision chain. This vector's size can be larger than the
1034 hash table size to reduce collisions. */
1037 /* Next weak hash table if this is a weak hash table. The head
1038 of the list is in Vweak_hash_tables. */
1039 Lisp_Object next_weak
;
1041 /* User-supplied hash function, or nil. */
1042 Lisp_Object user_hash_function
;
1044 /* User-supplied key comparison function, or nil. */
1045 Lisp_Object user_cmp_function
;
1047 /* C function to compare two keys. */
1048 int (* cmpfn
) P_ ((struct Lisp_Hash_Table
*, Lisp_Object
,
1049 unsigned, Lisp_Object
, unsigned));
1051 /* C function to compute hash code. */
1052 unsigned (* hashfn
) P_ ((struct Lisp_Hash_Table
*, Lisp_Object
));
1056 #define XHASH_TABLE(OBJ) \
1057 ((struct Lisp_Hash_Table *) XPNTR (OBJ))
1059 #define XSET_HASH_TABLE(VAR, PTR) \
1060 (XSETPSEUDOVECTOR (VAR, PTR, PVEC_HASH_TABLE))
1062 #define HASH_TABLE_P(OBJ) PSEUDOVECTORP (OBJ, PVEC_HASH_TABLE)
1063 #define GC_HASH_TABLE_P(x) GC_PSEUDOVECTORP (x, PVEC_HASH_TABLE)
1065 #define CHECK_HASH_TABLE(x) \
1066 CHECK_TYPE (HASH_TABLE_P (x), Qhash_table_p, x)
1068 /* Value is the key part of entry IDX in hash table H. */
1070 #define HASH_KEY(H, IDX) AREF ((H)->key_and_value, 2 * (IDX))
1072 /* Value is the value part of entry IDX in hash table H. */
1074 #define HASH_VALUE(H, IDX) AREF ((H)->key_and_value, 2 * (IDX) + 1)
1076 /* Value is the index of the next entry following the one at IDX
1079 #define HASH_NEXT(H, IDX) AREF ((H)->next, (IDX))
1081 /* Value is the hash code computed for entry IDX in hash table H. */
1083 #define HASH_HASH(H, IDX) AREF ((H)->hash, (IDX))
1085 /* Value is the index of the element in hash table H that is the
1086 start of the collision list at index IDX in the index vector of H. */
1088 #define HASH_INDEX(H, IDX) AREF ((H)->index, (IDX))
1090 /* Value is the size of hash table H. */
1092 #define HASH_TABLE_SIZE(H) XVECTOR ((H)->next)->size
1094 /* Default size for hash tables if not specified. */
1096 #define DEFAULT_HASH_SIZE 65
1098 /* Default threshold specifying when to resize a hash table. The
1099 value gives the ratio of current entries in the hash table and the
1100 size of the hash table. */
1102 #define DEFAULT_REHASH_THRESHOLD 0.8
1104 /* Default factor by which to increase the size of a hash table. */
1106 #define DEFAULT_REHASH_SIZE 1.5
1109 /* These structures are used for various misc types. */
1113 int type
: 16; /* = Lisp_Misc_Marker */
1114 unsigned gcmarkbit
: 1;
1116 /* 1 means normal insertion at the marker's position
1117 leaves the marker after the inserted text. */
1118 unsigned int insertion_type
: 1;
1119 /* This is the buffer that the marker points into,
1120 or 0 if it points nowhere. */
1121 struct buffer
*buffer
;
1123 /* The remaining fields are meaningless in a marker that
1124 does not point anywhere. */
1126 /* For markers that point somewhere,
1127 this is used to chain of all the markers in a given buffer. */
1128 struct Lisp_Marker
*next
;
1129 /* This is the char position where the marker points. */
1131 /* This is the byte position. */
1135 /* Forwarding pointer to an int variable.
1136 This is allowed only in the value cell of a symbol,
1137 and it means that the symbol's value really lives in the
1138 specified int variable. */
1141 int type
: 16; /* = Lisp_Misc_Intfwd */
1142 unsigned gcmarkbit
: 1;
1147 /* Boolean forwarding pointer to an int variable.
1148 This is like Lisp_Intfwd except that the ostensible
1149 "value" of the symbol is t if the int variable is nonzero,
1150 nil if it is zero. */
1153 int type
: 16; /* = Lisp_Misc_Boolfwd */
1154 unsigned gcmarkbit
: 1;
1159 /* Forwarding pointer to a Lisp_Object variable.
1160 This is allowed only in the value cell of a symbol,
1161 and it means that the symbol's value really lives in the
1162 specified variable. */
1165 int type
: 16; /* = Lisp_Misc_Objfwd */
1166 unsigned gcmarkbit
: 1;
1168 Lisp_Object
*objvar
;
1171 /* Like Lisp_Objfwd except that value lives in a slot in the
1172 current buffer. Value is byte index of slot within buffer. */
1173 struct Lisp_Buffer_Objfwd
1175 int type
: 16; /* = Lisp_Misc_Buffer_Objfwd */
1176 unsigned gcmarkbit
: 1;
1181 /* struct Lisp_Buffer_Local_Value is used in a symbol value cell when
1182 the symbol has buffer-local or frame-local bindings. (Exception:
1183 some buffer-local variables are built-in, with their values stored
1184 in the buffer structure itself. They are handled differently,
1185 using struct Lisp_Buffer_Objfwd.)
1187 The `realvalue' slot holds the variable's current value, or a
1188 forwarding pointer to where that value is kept. This value is the
1189 one that corresponds to the loaded binding. To read or set the
1190 variable, you must first make sure the right binding is loaded;
1191 then you can access the value in (or through) `realvalue'.
1193 `buffer' and `frame' are the buffer and frame for which the loaded
1194 binding was found. If those have changed, to make sure the right
1195 binding is loaded it is necessary to find which binding goes with
1196 the current buffer and selected frame, then load it. To load it,
1197 first unload the previous binding, then copy the value of the new
1198 binding into `realvalue' (or through it). Also update
1199 LOADED-BINDING to point to the newly loaded binding.
1201 Lisp_Misc_Buffer_Local_Value and Lisp_Misc_Some_Buffer_Local_Value
1202 both use this kind of structure. With the former, merely setting
1203 the variable creates a local binding for the current buffer. With
1204 the latter, setting the variable does not do that; only
1205 make-local-variable does that. */
1207 struct Lisp_Buffer_Local_Value
1209 int type
: 16; /* = Lisp_Misc_Buffer_Local_Value
1210 or Lisp_Misc_Some_Buffer_Local_Value */
1211 unsigned gcmarkbit
: 1;
1214 /* 1 means this variable is allowed to have frame-local bindings,
1215 so check for them when looking for the proper binding. */
1216 unsigned int check_frame
: 1;
1217 /* 1 means that the binding now loaded was found
1218 as a local binding for the buffer in the `buffer' slot. */
1219 unsigned int found_for_buffer
: 1;
1220 /* 1 means that the binding now loaded was found
1221 as a local binding for the frame in the `frame' slot. */
1222 unsigned int found_for_frame
: 1;
1223 Lisp_Object realvalue
;
1224 /* The buffer and frame for which the loaded binding was found. */
1225 Lisp_Object buffer
, frame
;
1227 /* A cons cell, (LOADED-BINDING . DEFAULT-VALUE).
1229 LOADED-BINDING is the binding now loaded. It is a cons cell
1230 whose cdr is the binding's value. The cons cell may be an
1231 element of a buffer's local-variable alist, or an element of a
1232 frame's parameter alist, or it may be this cons cell.
1234 DEFAULT-VALUE is the variable's default value, seen when the
1235 current buffer and selected frame do not have their own
1236 bindings for the variable. When the default binding is loaded,
1237 LOADED-BINDING is actually this very cons cell; thus, its car
1238 points to itself. */
1242 /* START and END are markers in the overlay's buffer, and
1243 PLIST is the overlay's property list. */
1246 int type
: 16; /* = Lisp_Misc_Overlay */
1247 unsigned gcmarkbit
: 1;
1249 struct Lisp_Overlay
*next
;
1250 Lisp_Object start
, end
, plist
;
1253 /* Like Lisp_Objfwd except that value lives in a slot in the
1255 struct Lisp_Kboard_Objfwd
1257 int type
: 16; /* = Lisp_Misc_Kboard_Objfwd */
1258 unsigned gcmarkbit
: 1;
1263 /* Hold a C pointer for later use.
1264 This type of object is used in the arg to record_unwind_protect. */
1265 struct Lisp_Save_Value
1267 int type
: 16; /* = Lisp_Misc_Save_Value */
1268 unsigned gcmarkbit
: 1;
1270 /* If DOGC is set, POINTER is the address of a memory
1271 area containing INTEGER potential Lisp_Objects. */
1272 unsigned int dogc
: 1;
1278 /* A miscellaneous object, when it's on the free list. */
1281 int type
: 16; /* = Lisp_Misc_Free */
1282 unsigned gcmarkbit
: 1;
1284 union Lisp_Misc
*chain
;
1286 /* Try to make sure that sizeof(Lisp_Misc) preserves TYPEBITS-alignment.
1287 This assumes that Lisp_Marker is the largest of the alternatives and
1288 that Lisp_Intfwd has the same size as "Lisp_Free w/o padding". */
1289 char padding
[((((sizeof (struct Lisp_Marker
) - 1) >> GCTYPEBITS
) + 1)
1290 << GCTYPEBITS
) - sizeof (struct Lisp_Intfwd
)];
1294 /* To get the type field of a union Lisp_Misc, use XMISCTYPE.
1295 It uses one of these struct subtypes to get the type field. */
1299 struct Lisp_Free u_free
;
1300 struct Lisp_Marker u_marker
;
1301 struct Lisp_Intfwd u_intfwd
;
1302 struct Lisp_Boolfwd u_boolfwd
;
1303 struct Lisp_Objfwd u_objfwd
;
1304 struct Lisp_Buffer_Objfwd u_buffer_objfwd
;
1305 struct Lisp_Buffer_Local_Value u_buffer_local_value
;
1306 struct Lisp_Overlay u_overlay
;
1307 struct Lisp_Kboard_Objfwd u_kboard_objfwd
;
1308 struct Lisp_Save_Value u_save_value
;
1311 /* Lisp floating point type */
1316 #ifdef HIDE_LISP_IMPLEMENTATION
1321 struct Lisp_Float
*chain
;
1325 #ifdef HIDE_LISP_IMPLEMENTATION
1326 #define XFLOAT_DATA(f) (XFLOAT (f)->u.data_)
1328 #define XFLOAT_DATA(f) (XFLOAT (f)->u.data)
1331 /* A character, declared with the following typedef, is a member
1332 of some character set associated with the current buffer. */
1333 #ifndef _UCHAR_T /* Protect against something in ctab.h on AIX. */
1335 typedef unsigned char UCHAR
;
1338 /* Meanings of slots in a Lisp_Compiled: */
1340 #define COMPILED_ARGLIST 0
1341 #define COMPILED_BYTECODE 1
1342 #define COMPILED_CONSTANTS 2
1343 #define COMPILED_STACK_DEPTH 3
1344 #define COMPILED_DOC_STRING 4
1345 #define COMPILED_INTERACTIVE 5
1347 /* Flag bits in a character. These also get used in termhooks.h.
1348 Richard Stallman <rms@gnu.ai.mit.edu> thinks that MULE
1349 (MUlti-Lingual Emacs) might need 22 bits for the character value
1350 itself, so we probably shouldn't use any bits lower than 0x0400000. */
1351 #define CHAR_ALT (0x0400000)
1352 #define CHAR_SUPER (0x0800000)
1353 #define CHAR_HYPER (0x1000000)
1354 #define CHAR_SHIFT (0x2000000)
1355 #define CHAR_CTL (0x4000000)
1356 #define CHAR_META (0x8000000)
1358 #define CHAR_MODIFIER_MASK \
1359 (CHAR_ALT | CHAR_SUPER | CHAR_HYPER | CHAR_SHIFT | CHAR_CTL | CHAR_META)
1362 /* Actually, the current Emacs uses 22 bits for the character value
1364 #define CHARACTERBITS 22
1366 /* The maximum byte size consumed by push_key_description.
1367 All callers should assure that at least this size of memory is
1368 allocated at the place pointed by the second argument.
1370 Thers are 6 modifiers, each consumes 2 chars.
1371 The octal form of a character code consumes
1372 (1 + CHARACTERBITS / 3 + 1) chars (including backslash at the head).
1373 We need one more byte for string terminator `\0'. */
1374 #define KEY_DESCRIPTION_SIZE ((2 * 6) + 1 + (CHARACTERBITS / 3) + 1 + 1)
1376 #ifdef USE_X_TOOLKIT
1377 #ifdef NO_UNION_TYPE
1378 /* Use this for turning a (void *) into a Lisp_Object, as when the
1379 Lisp_Object is passed into a toolkit callback function. */
1380 #define VOID_TO_LISP(larg,varg) \
1381 do { ((larg) = ((Lisp_Object) (varg))); } while (0)
1382 #define CVOID_TO_LISP VOID_TO_LISP
1384 /* Use this for turning a Lisp_Object into a (void *), as when the
1385 Lisp_Object is passed into a toolkit callback function. */
1386 #define LISP_TO_VOID(larg) ((void *) (larg))
1387 #define LISP_TO_CVOID(varg) ((const void *) (larg))
1389 #else /* not NO_UNION_TYPE */
1390 /* Use this for turning a (void *) into a Lisp_Object, as when the
1391 Lisp_Object is passed into a toolkit callback function. */
1392 #define VOID_TO_LISP(larg,varg) \
1393 do { ((larg).v = (void *) (varg)); } while (0)
1394 #define CVOID_TO_LISP(larg,varg) \
1395 do { ((larg).cv = (const void *) (varg)); } while (0)
1397 /* Use this for turning a Lisp_Object into a (void *), as when the
1398 Lisp_Object is passed into a toolkit callback function. */
1399 #define LISP_TO_VOID(larg) ((larg).v)
1400 #define LISP_TO_CVOID(larg) ((larg).cv)
1401 #endif /* not NO_UNION_TYPE */
1402 #endif /* USE_X_TOOLKIT */
1405 /* The glyph datatype, used to represent characters on the display. */
1407 /* Glyph code to use as an index to the glyph table. If it is out of
1408 range for the glyph table, or the corresonding element in the table
1409 is nil, the low 8 bits are the single byte character code, and the
1410 bits above are the numeric face ID. If FID is the face ID of a
1411 glyph on a frame F, then F->display.x->faces[FID] contains the
1412 description of that face. This is an int instead of a short, so we
1413 can support a good bunch of face ID's (2^(31 - 8)); given that we
1414 have no mechanism for tossing unused frame face ID's yet, we'll
1415 probably run out of 255 pretty quickly.
1416 This is always -1 for a multibyte character. */
1419 /* Mask bits for face. */
1420 #define GLYPH_MASK_FACE 0x7FC00000
1421 /* Mask bits for character code. */
1422 #define GLYPH_MASK_CHAR 0x003FFFFF /* The lowest 22 bits */
1424 /* The FAST macros assume that we already know we're in an X window. */
1426 /* Set a character code and a face ID in a glyph G. */
1427 #define FAST_MAKE_GLYPH(char, face) ((char) | ((face) << CHARACTERBITS))
1429 /* Return a glyph's character code. */
1430 #define FAST_GLYPH_CHAR(glyph) ((glyph) & GLYPH_MASK_CHAR)
1432 /* Return a glyph's face ID. */
1433 #define FAST_GLYPH_FACE(glyph) (((glyph) & GLYPH_MASK_FACE) >> CHARACTERBITS)
1435 /* Slower versions that test the frame type first. */
1436 #define MAKE_GLYPH(f, char, face) (FAST_MAKE_GLYPH (char, face))
1437 #define GLYPH_CHAR(f, g) (FAST_GLYPH_CHAR (g))
1438 #define GLYPH_FACE(f, g) (FAST_GLYPH_FACE (g))
1440 /* Return 1 iff GLYPH contains valid character code. */
1441 #define GLYPH_CHAR_VALID_P(glyph) CHAR_VALID_P (FAST_GLYPH_CHAR (glyph), 1)
1443 /* The ID of the mode line highlighting face. */
1444 #define GLYPH_MODE_LINE_FACE 1
1446 /* Data type checking */
1448 #define NILP(x) EQ (x, Qnil)
1449 #define GC_NILP(x) GC_EQ (x, Qnil)
1451 #define NUMBERP(x) (INTEGERP (x) || FLOATP (x))
1452 #define GC_NUMBERP(x) (GC_INTEGERP (x) || GC_FLOATP (x))
1453 #define NATNUMP(x) (INTEGERP (x) && XINT (x) >= 0)
1454 #define GC_NATNUMP(x) (GC_INTEGERP (x) && XINT (x) >= 0)
1456 #define INTEGERP(x) (XTYPE ((x)) == Lisp_Int)
1457 #define GC_INTEGERP(x) INTEGERP (x)
1458 #define SYMBOLP(x) (XTYPE ((x)) == Lisp_Symbol)
1459 #define GC_SYMBOLP(x) (XGCTYPE ((x)) == Lisp_Symbol)
1460 #define MISCP(x) (XTYPE ((x)) == Lisp_Misc)
1461 #define GC_MISCP(x) (XGCTYPE ((x)) == Lisp_Misc)
1462 #define VECTORLIKEP(x) (XTYPE ((x)) == Lisp_Vectorlike)
1463 #define GC_VECTORLIKEP(x) (XGCTYPE ((x)) == Lisp_Vectorlike)
1464 #define STRINGP(x) (XTYPE ((x)) == Lisp_String)
1465 #define GC_STRINGP(x) (XGCTYPE ((x)) == Lisp_String)
1466 #define CONSP(x) (XTYPE ((x)) == Lisp_Cons)
1467 #define GC_CONSP(x) (XGCTYPE ((x)) == Lisp_Cons)
1469 #define FLOATP(x) (XTYPE ((x)) == Lisp_Float)
1470 #define GC_FLOATP(x) (XGCTYPE ((x)) == Lisp_Float)
1471 #define VECTORP(x) (VECTORLIKEP (x) && !(XVECTOR (x)->size & PSEUDOVECTOR_FLAG))
1472 #define GC_VECTORP(x) (GC_VECTORLIKEP (x) && !(XVECTOR (x)->size & PSEUDOVECTOR_FLAG))
1473 #define OVERLAYP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Overlay)
1474 #define GC_OVERLAYP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Overlay)
1475 #define MARKERP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Marker)
1476 #define GC_MARKERP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Marker)
1477 #define INTFWDP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Intfwd)
1478 #define GC_INTFWDP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Intfwd)
1479 #define BOOLFWDP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Boolfwd)
1480 #define GC_BOOLFWDP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Boolfwd)
1481 #define OBJFWDP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Objfwd)
1482 #define GC_OBJFWDP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Objfwd)
1483 #define BUFFER_OBJFWDP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Buffer_Objfwd)
1484 #define GC_BUFFER_OBJFWDP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Buffer_Objfwd)
1485 #define BUFFER_LOCAL_VALUEP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Buffer_Local_Value)
1486 #define GC_BUFFER_LOCAL_VALUEP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Buffer_Local_Value)
1487 #define SOME_BUFFER_LOCAL_VALUEP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Some_Buffer_Local_Value)
1488 #define GC_SOME_BUFFER_LOCAL_VALUEP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Some_Buffer_Local_Value)
1489 #define KBOARD_OBJFWDP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Kboard_Objfwd)
1490 #define GC_KBOARD_OBJFWDP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Kboard_Objfwd)
1493 /* True if object X is a pseudovector whose code is CODE. */
1494 #define PSEUDOVECTORP(x, code) \
1496 && (((XVECTOR (x)->size & (PSEUDOVECTOR_FLAG | (code)))) \
1497 == (PSEUDOVECTOR_FLAG | (code))))
1499 /* True if object X is a pseudovector whose code is CODE.
1500 This one works during GC. */
1501 #define GC_PSEUDOVECTORP(x, code) \
1502 (GC_VECTORLIKEP (x) \
1503 && (((XVECTOR (x)->size & (PSEUDOVECTOR_FLAG | (code)))) \
1504 == (PSEUDOVECTOR_FLAG | (code))))
1506 /* Test for specific pseudovector types. */
1507 #define WINDOW_CONFIGURATIONP(x) PSEUDOVECTORP (x, PVEC_WINDOW_CONFIGURATION)
1508 #define GC_WINDOW_CONFIGURATIONP(x) GC_PSEUDOVECTORP (x, PVEC_WINDOW_CONFIGURATION)
1509 #define PROCESSP(x) PSEUDOVECTORP (x, PVEC_PROCESS)
1510 #define GC_PROCESSP(x) GC_PSEUDOVECTORP (x, PVEC_PROCESS)
1511 #define WINDOWP(x) PSEUDOVECTORP (x, PVEC_WINDOW)
1512 #define GC_WINDOWP(x) GC_PSEUDOVECTORP (x, PVEC_WINDOW)
1513 #define SUBRP(x) PSEUDOVECTORP (x, PVEC_SUBR)
1514 #define GC_SUBRP(x) GC_PSEUDOVECTORP (x, PVEC_SUBR)
1515 #define COMPILEDP(x) PSEUDOVECTORP (x, PVEC_COMPILED)
1516 #define GC_COMPILEDP(x) GC_PSEUDOVECTORP (x, PVEC_COMPILED)
1517 #define BUFFERP(x) PSEUDOVECTORP (x, PVEC_BUFFER)
1518 #define GC_BUFFERP(x) GC_PSEUDOVECTORP (x, PVEC_BUFFER)
1519 #define CHAR_TABLE_P(x) PSEUDOVECTORP (x, PVEC_CHAR_TABLE)
1520 #define SUB_CHAR_TABLE_P(x) PSEUDOVECTORP (x, PVEC_SUB_CHAR_TABLE)
1521 #define GC_SUB_CHAR_TABLE_P(x) GC_PSEUDOVECTORP (x, PVEC_SUB_CHAR_TABLE)
1522 #define GC_CHAR_TABLE_P(x) GC_PSEUDOVECTORP (x, PVEC_CHAR_TABLE)
1523 #define BOOL_VECTOR_P(x) PSEUDOVECTORP (x, PVEC_BOOL_VECTOR)
1524 #define GC_BOOL_VECTOR_P(x) GC_PSEUDOVECTORP (x, PVEC_BOOL_VECTOR)
1525 #define FRAMEP(x) PSEUDOVECTORP (x, PVEC_FRAME)
1526 #define GC_FRAMEP(x) GC_PSEUDOVECTORP (x, PVEC_FRAME)
1528 /* Test for image (image . spec) */
1529 #define IMAGEP(x) (CONSP (x) && EQ (XCAR (x), Qimage))
1534 (VECTORP (x) || STRINGP (x) || CHAR_TABLE_P (x) || BOOL_VECTOR_P (x))
1536 #define GC_EQ(x, y) EQ (x, y)
1538 #define CHECK_LIST(x) \
1539 CHECK_TYPE (CONSP (x) || NILP (x), Qlistp, x)
1541 #define CHECK_LIST_CONS(x, y) \
1542 CHECK_TYPE (CONSP (x), Qlistp, y)
1544 #define CHECK_LIST_END(x, y) \
1545 CHECK_TYPE (NILP (x), Qlistp, y)
1547 #define CHECK_STRING(x) \
1548 CHECK_TYPE (STRINGP (x), Qstringp, x)
1550 #define CHECK_STRING_CAR(x) \
1551 CHECK_TYPE (STRINGP (XCAR (x)), Qstringp, XCAR (x))
1553 #define CHECK_CONS(x) \
1554 CHECK_TYPE (CONSP (x), Qconsp, x)
1556 #define CHECK_SYMBOL(x) \
1557 CHECK_TYPE (SYMBOLP (x), Qsymbolp, x)
1559 #define CHECK_CHAR_TABLE(x) \
1560 CHECK_TYPE (CHAR_TABLE_P (x), Qchar_table_p, x)
1562 #define CHECK_VECTOR(x) \
1563 CHECK_TYPE (VECTORP (x), Qvectorp, x)
1565 #define CHECK_VECTOR_OR_STRING(x) \
1566 CHECK_TYPE (VECTORP (x) || STRINGP (x), Qarrayp, x)
1568 #define CHECK_ARRAY(x, Qxxxp) \
1569 CHECK_TYPE (ARRAYP (x), Qxxxp, x)
1571 #define CHECK_VECTOR_OR_CHAR_TABLE(x) \
1572 CHECK_TYPE (VECTORP (x) || CHAR_TABLE_P (x), Qvector_or_char_table_p, x)
1574 #define CHECK_BUFFER(x) \
1575 CHECK_TYPE (BUFFERP (x), Qbufferp, x)
1577 #define CHECK_WINDOW(x) \
1578 CHECK_TYPE (WINDOWP (x), Qwindowp, x)
1580 #define CHECK_WINDOW_CONFIGURATION(x) \
1581 CHECK_TYPE (WINDOW_CONFIGURATIONP (x), Qwindow_configuration_p, x)
1583 /* This macro rejects windows on the interior of the window tree as
1584 "dead", which is what we want; this is an argument-checking macro, and
1585 the user should never get access to interior windows.
1587 A window of any sort, leaf or interior, is dead iff the buffer,
1588 vchild, and hchild members are all nil. */
1590 #define CHECK_LIVE_WINDOW(x) \
1591 CHECK_TYPE (WINDOWP (x) && !NILP (XWINDOW (x)->buffer), Qwindow_live_p, x)
1593 #define CHECK_PROCESS(x) \
1594 CHECK_TYPE (PROCESSP (x), Qprocessp, x)
1596 #define CHECK_SUBR(x) \
1597 CHECK_TYPE (SUBRP (x), Qsubrp, x)
1599 #define CHECK_NUMBER(x) \
1600 CHECK_TYPE (INTEGERP (x), Qintegerp, x)
1602 #define CHECK_NATNUM(x) \
1603 CHECK_TYPE (NATNUMP (x), Qwholenump, x)
1605 #define CHECK_MARKER(x) \
1606 CHECK_TYPE (MARKERP (x), Qmarkerp, x)
1608 #define CHECK_NUMBER_COERCE_MARKER(x) \
1609 do { if (MARKERP ((x))) XSETFASTINT (x, marker_position (x)); \
1610 else CHECK_TYPE (INTEGERP (x), Qinteger_or_marker_p, x); } while (0)
1612 #define XFLOATINT(n) extract_float((n))
1614 #define CHECK_FLOAT(x) \
1615 CHECK_TYPE (FLOATP (x), Qfloatp, x)
1617 #define CHECK_NUMBER_OR_FLOAT(x) \
1618 CHECK_TYPE (FLOATP (x) || INTEGERP (x), Qnumberp, x)
1620 #define CHECK_NUMBER_OR_FLOAT_COERCE_MARKER(x) \
1621 do { if (MARKERP (x)) XSETFASTINT (x, marker_position (x)); \
1622 else CHECK_TYPE (INTEGERP (x) || FLOATP (x), Qnumber_or_marker_p, x); } while (0)
1624 #define CHECK_OVERLAY(x) \
1625 CHECK_TYPE (OVERLAYP (x), Qoverlayp, x)
1627 /* Since we can't assign directly to the CAR or CDR fields of a cons
1628 cell, use these when checking that those fields contain numbers. */
1629 #define CHECK_NUMBER_CAR(x) \
1631 Lisp_Object tmp = XCAR (x); \
1632 CHECK_NUMBER (tmp); \
1633 XSETCAR ((x), tmp); \
1636 #define CHECK_NUMBER_CDR(x) \
1638 Lisp_Object tmp = XCDR (x); \
1639 CHECK_NUMBER (tmp); \
1640 XSETCDR ((x), tmp); \
1643 #define CHECK_NATNUM_CAR(x) \
1645 Lisp_Object tmp = XCAR (x); \
1646 CHECK_NATNUM (tmp); \
1647 XSETCAR ((x), tmp); \
1650 #define CHECK_NATNUM_CDR(x) \
1652 Lisp_Object tmp = XCDR (x); \
1653 CHECK_NATNUM (tmp); \
1654 XSETCDR ((x), tmp); \
1657 /* Cast pointers to this type to compare them. Some machines want int. */
1658 #ifndef PNTR_COMPARISON_TYPE
1659 #define PNTR_COMPARISON_TYPE EMACS_UINT
1662 /* Define a built-in function for calling from Lisp.
1663 `lname' should be the name to give the function in Lisp,
1664 as a null-terminated C string.
1665 `fnname' should be the name of the function in C.
1666 By convention, it starts with F.
1667 `sname' should be the name for the C constant structure
1668 that records information on this function for internal use.
1669 By convention, it should be the same as `fnname' but with S instead of F.
1670 It's too bad that C macros can't compute this from `fnname'.
1671 `minargs' should be a number, the minimum number of arguments allowed.
1672 `maxargs' should be a number, the maximum number of arguments allowed,
1673 or else MANY or UNEVALLED.
1674 MANY means pass a vector of evaluated arguments,
1675 in the form of an integer number-of-arguments
1676 followed by the address of a vector of Lisp_Objects
1677 which contains the argument values.
1678 UNEVALLED means pass the list of unevaluated arguments
1679 `prompt' says how to read arguments for an interactive call.
1680 See the doc string for `interactive'.
1681 A null string means call interactively with no arguments.
1682 `doc' is documentation for the user. */
1684 #if (!defined (__STDC__) && !defined (PROTOTYPES)) \
1685 || defined (USE_NONANSI_DEFUN)
1687 #define DEFUN(lname, fnname, sname, minargs, maxargs, prompt, doc) \
1688 Lisp_Object fnname (); \
1689 DECL_ALIGN (struct Lisp_Subr, sname) = \
1690 { PVEC_SUBR | (sizeof (struct Lisp_Subr) / sizeof (EMACS_INT)), \
1691 fnname, minargs, maxargs, lname, prompt, 0}; \
1696 /* This version of DEFUN declares a function prototype with the right
1697 arguments, so we can catch errors with maxargs at compile-time. */
1698 #define DEFUN(lname, fnname, sname, minargs, maxargs, prompt, doc) \
1699 Lisp_Object fnname DEFUN_ARGS_ ## maxargs ; \
1700 DECL_ALIGN (struct Lisp_Subr, sname) = \
1701 { PVEC_SUBR | (sizeof (struct Lisp_Subr) / sizeof (EMACS_INT)), \
1702 fnname, minargs, maxargs, lname, prompt, 0}; \
1705 /* Note that the weird token-substitution semantics of ANSI C makes
1706 this work for MANY and UNEVALLED. */
1707 #define DEFUN_ARGS_MANY (int, Lisp_Object *)
1708 #define DEFUN_ARGS_UNEVALLED (Lisp_Object)
1709 #define DEFUN_ARGS_0 (void)
1710 #define DEFUN_ARGS_1 (Lisp_Object)
1711 #define DEFUN_ARGS_2 (Lisp_Object, Lisp_Object)
1712 #define DEFUN_ARGS_3 (Lisp_Object, Lisp_Object, Lisp_Object)
1713 #define DEFUN_ARGS_4 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object)
1714 #define DEFUN_ARGS_5 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, \
1716 #define DEFUN_ARGS_6 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, \
1717 Lisp_Object, Lisp_Object)
1718 #define DEFUN_ARGS_7 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, \
1719 Lisp_Object, Lisp_Object, Lisp_Object)
1720 #define DEFUN_ARGS_8 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, \
1721 Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object)
1724 /* Non-zero if OBJ is a Lisp function. */
1726 #define FUNCTIONP(OBJ) \
1727 ((CONSP (OBJ) && EQ (XCAR (OBJ), Qlambda)) \
1728 || (SYMBOLP (OBJ) && !NILP (Ffboundp (OBJ))) \
1729 || COMPILEDP (OBJ) \
1733 is how we define the symbol for function `name' at start-up time. */
1734 extern void defsubr
P_ ((struct Lisp_Subr
*));
1737 #define UNEVALLED -1
1739 extern void defvar_lisp
P_ ((char *, Lisp_Object
*));
1740 extern void defvar_lisp_nopro
P_ ((char *, Lisp_Object
*));
1741 extern void defvar_bool
P_ ((char *, int *));
1742 extern void defvar_int
P_ ((char *, EMACS_INT
*));
1743 extern void defvar_per_buffer
P_ ((char *, Lisp_Object
*, Lisp_Object
, char *));
1744 extern void defvar_kboard
P_ ((char *, int));
1746 /* Macros we use to define forwarded Lisp variables.
1747 These are used in the syms_of_FILENAME functions. */
1749 #define DEFVAR_LISP(lname, vname, doc) defvar_lisp (lname, vname)
1750 #define DEFVAR_LISP_NOPRO(lname, vname, doc) defvar_lisp_nopro (lname, vname)
1751 #define DEFVAR_BOOL(lname, vname, doc) defvar_bool (lname, vname)
1752 #define DEFVAR_INT(lname, vname, doc) defvar_int (lname, vname)
1754 /* TYPE is nil for a general Lisp variable.
1755 An integer specifies a type; then only LIsp values
1756 with that type code are allowed (except that nil is allowed too).
1757 LNAME is the LIsp-level variable name.
1758 VNAME is the name of the buffer slot.
1759 DOC is a dummy where you write the doc string as a comment. */
1760 #define DEFVAR_PER_BUFFER(lname, vname, type, doc) \
1761 defvar_per_buffer (lname, vname, type, 0)
1763 #define DEFVAR_KBOARD(lname, vname, doc) \
1764 defvar_kboard (lname, \
1765 (int)((char *)(¤t_kboard->vname) \
1766 - (char *)current_kboard))
1770 /* Structure for recording Lisp call stack for backtrace purposes. */
1772 /* The special binding stack holds the outer values of variables while
1773 they are bound by a function application or a let form, stores the
1774 code to be executed for Lisp unwind-protect forms, and stores the C
1775 functions to be called for record_unwind_protect.
1777 If func is non-zero, undoing this binding applies func to old_value;
1778 This implements record_unwind_protect.
1780 Otherwise, the element is a variable binding.
1782 If the symbol field is a symbol, it is an ordinary variable binding.
1784 Otherwise, it should be a structure (SYMBOL WHERE
1785 . CURRENT-BUFFER), which means having bound a local value while
1786 CURRENT-BUFFER was active. If WHERE is nil this means we saw the
1787 default value when binding SYMBOL. WHERE being a buffer or frame
1788 means we saw a buffer-local or frame-local value. Other values of
1789 WHERE mean an internal error. */
1791 typedef Lisp_Object (*specbinding_func
) P_ ((Lisp_Object
));
1795 Lisp_Object symbol
, old_value
;
1796 specbinding_func func
;
1797 Lisp_Object unused
; /* Dividing by 16 is faster than by 12 */
1800 extern struct specbinding
*specpdl
;
1801 extern struct specbinding
*specpdl_ptr
;
1802 extern int specpdl_size
;
1804 extern EMACS_INT max_specpdl_size
;
1806 #define SPECPDL_INDEX() (specpdl_ptr - specpdl)
1808 /* Everything needed to describe an active condition case. */
1811 /* The handler clauses and variable from the condition-case form. */
1812 /* For a handler set up in Lisp code, this is always a list.
1813 For an internal handler set up by internal_condition_case*,
1814 this can instead be the symbol t or `error'.
1815 t: handle all conditions.
1816 error: handle all conditions, and errors can run the debugger
1817 or display a backtrace. */
1818 Lisp_Object handler
;
1820 /* Fsignal stores here the condition-case clause that applies,
1821 and Fcondition_case thus knows which clause to run. */
1822 Lisp_Object chosen_clause
;
1824 /* Used to effect the longjump out to the handler. */
1825 struct catchtag
*tag
;
1827 /* The next enclosing handler. */
1828 struct handler
*next
;
1831 extern struct handler
*handlerlist
;
1833 extern struct catchtag
*catchlist
;
1834 extern struct backtrace
*backtrace_list
;
1836 extern Lisp_Object memory_signal_data
;
1838 /* An address near the bottom of the stack.
1839 Tells GC how to save a copy of the stack. */
1840 extern char *stack_bottom
;
1842 /* Check quit-flag and quit if it is non-nil.
1843 Typing C-g does not directly cause a quit; it only sets Vquit_flag.
1844 So the program needs to do QUIT at times when it is safe to quit.
1845 Every loop that might run for a long time or might not exit
1846 ought to do QUIT at least once, at a safe place.
1847 Unless that is impossible, of course.
1848 But it is very desirable to avoid creating loops where QUIT is impossible.
1850 Exception: if you set immediate_quit to nonzero,
1851 then the handler that responds to the C-g does the quit itself.
1852 This is a good thing to do around a loop that has no side effects
1853 and (in particular) cannot call arbitrary Lisp code. */
1856 extern void handle_async_input
P_ ((void));
1857 extern int interrupt_input_pending
;
1861 if (!NILP (Vquit_flag) && NILP (Vinhibit_quit)) \
1863 Lisp_Object flag = Vquit_flag; \
1864 Vquit_flag = Qnil; \
1865 if (EQ (Vthrow_on_input, flag)) \
1866 Fthrow (Vthrow_on_input, Qt); \
1867 Fsignal (Qquit, Qnil); \
1869 else if (interrupt_input_pending) \
1870 handle_async_input (); \
1873 #else /* not SYNC_INPUT */
1877 if (!NILP (Vquit_flag) && NILP (Vinhibit_quit)) \
1879 Lisp_Object flag = Vquit_flag; \
1880 Vquit_flag = Qnil; \
1881 if (EQ (Vthrow_on_input, flag)) \
1882 Fthrow (Vthrow_on_input, Qt); \
1883 Fsignal (Qquit, Qnil); \
1887 #endif /* not SYNC_INPUT */
1890 /* Nonzero if ought to quit now. */
1892 #define QUITP (!NILP (Vquit_flag) && NILP (Vinhibit_quit))
1894 /* Variables used locally in the following case handling macros. */
1895 extern int case_temp1
;
1896 extern Lisp_Object case_temp2
;
1898 /* Current buffer's map from characters to lower-case characters. */
1900 #define DOWNCASE_TABLE current_buffer->downcase_table
1902 /* Current buffer's map from characters to upper-case characters. */
1904 #define UPCASE_TABLE current_buffer->upcase_table
1906 /* Downcase a character, or make no change if that cannot be done. */
1908 #define DOWNCASE(CH) \
1909 ((case_temp1 = (CH), \
1910 case_temp2 = CHAR_TABLE_REF (DOWNCASE_TABLE, case_temp1), \
1911 NATNUMP (case_temp2)) \
1912 ? XFASTINT (case_temp2) : case_temp1)
1914 /* 1 if CH is upper case. */
1916 #define UPPERCASEP(CH) (DOWNCASE (CH) != (CH))
1918 /* 1 if CH is neither upper nor lower case. */
1920 #define NOCASEP(CH) (UPCASE1 (CH) == (CH))
1922 /* 1 if CH is lower case. */
1924 #define LOWERCASEP(CH) (!UPPERCASEP (CH) && !NOCASEP(CH))
1926 /* Upcase a character, or make no change if that cannot be done. */
1928 #define UPCASE(CH) (!UPPERCASEP (CH) ? UPCASE1 (CH) : (CH))
1930 /* Upcase a character known to be not upper case. */
1932 #define UPCASE1(CH) \
1933 ((case_temp1 = (CH), \
1934 case_temp2 = CHAR_TABLE_REF (UPCASE_TABLE, case_temp1), \
1935 NATNUMP (case_temp2)) \
1936 ? XFASTINT (case_temp2) : case_temp1)
1938 extern Lisp_Object Vascii_downcase_table
, Vascii_upcase_table
;
1939 extern Lisp_Object Vascii_canon_table
, Vascii_eqv_table
;
1941 /* Number of bytes of structure consed since last GC. */
1943 extern int consing_since_gc
;
1945 /* Thresholds for doing another gc. */
1947 extern EMACS_INT gc_cons_threshold
;
1949 extern EMACS_INT gc_relative_threshold
;
1951 extern EMACS_INT memory_full_cons_threshold
;
1953 /* Structure for recording stack slots that need marking. */
1955 /* This is a chain of structures, each of which points at a Lisp_Object variable
1956 whose value should be marked in garbage collection.
1957 Normally every link of the chain is an automatic variable of a function,
1958 and its `val' points to some argument or local variable of the function.
1959 On exit to the function, the chain is set back to the value it had on entry.
1960 This way, no link remains in the chain when the stack frame containing the
1963 Every function that can call Feval must protect in this fashion all
1964 Lisp_Object variables whose contents will be used again. */
1966 extern struct gcpro
*gcprolist
;
1972 /* Address of first protected variable. */
1973 volatile Lisp_Object
*var
;
1975 /* Number of consecutive protected variables. */
1983 /* Values of GC_MARK_STACK during compilation:
1985 0 Use GCPRO as before
1986 1 Do the real thing, make GCPROs and UNGCPRO no-ops.
1987 2 Mark the stack, and check that everything GCPRO'd is
1989 3 Mark using GCPRO's, mark stack last, and count how many
1990 dead objects are kept alive. */
1993 #define GC_USE_GCPROS_AS_BEFORE 0
1994 #define GC_MAKE_GCPROS_NOOPS 1
1995 #define GC_MARK_STACK_CHECK_GCPROS 2
1996 #define GC_USE_GCPROS_CHECK_ZOMBIES 3
1998 #ifndef GC_MARK_STACK
1999 #define GC_MARK_STACK GC_USE_GCPROS_AS_BEFORE
2002 #if GC_MARK_STACK == GC_MAKE_GCPROS_NOOPS
2004 /* Do something silly with gcproN vars just so gcc shuts up. */
2005 /* You get warnings from MIPSPro... */
2007 #define GCPRO1(varname) ((void) gcpro1)
2008 #define GCPRO2(varname1, varname2)(((void) gcpro2, (void) gcpro1))
2009 #define GCPRO3(varname1, varname2, varname3) \
2010 (((void) gcpro3, (void) gcpro2, (void) gcpro1))
2011 #define GCPRO4(varname1, varname2, varname3, varname4) \
2012 (((void) gcpro4, (void) gcpro3, (void) gcpro2, (void) gcpro1))
2013 #define GCPRO5(varname1, varname2, varname3, varname4, varname5) \
2014 (((void) gcpro5, (void) gcpro4, (void) gcpro3, (void) gcpro2, (void) gcpro1))
2015 #define GCPRO6(varname1, varname2, varname3, varname4, varname5, varname6) \
2016 (((void) gcpro6, (void) gcpro5, (void) gcpro4, (void) gcpro3, (void) gcpro2, (void) gcpro1))
2017 #define UNGCPRO ((void) 0)
2019 #else /* GC_MARK_STACK != GC_MAKE_GCPROS_NOOPS */
2023 #define GCPRO1(varname) \
2024 {gcpro1.next = gcprolist; gcpro1.var = &varname; gcpro1.nvars = 1; \
2025 gcprolist = &gcpro1; }
2027 #define GCPRO2(varname1, varname2) \
2028 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
2029 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
2030 gcprolist = &gcpro2; }
2032 #define GCPRO3(varname1, varname2, varname3) \
2033 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
2034 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
2035 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
2036 gcprolist = &gcpro3; }
2038 #define GCPRO4(varname1, varname2, varname3, varname4) \
2039 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
2040 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
2041 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
2042 gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \
2043 gcprolist = &gcpro4; }
2045 #define GCPRO5(varname1, varname2, varname3, varname4, varname5) \
2046 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
2047 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
2048 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
2049 gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \
2050 gcpro5.next = &gcpro4; gcpro5.var = &varname5; gcpro5.nvars = 1; \
2051 gcprolist = &gcpro5; }
2053 #define GCPRO6(varname1, varname2, varname3, varname4, varname5, varname6) \
2054 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
2055 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
2056 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
2057 gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \
2058 gcpro5.next = &gcpro4; gcpro5.var = &varname5; gcpro5.nvars = 1; \
2059 gcpro6.next = &gcpro5; gcpro6.var = &varname6; gcpro6.nvars = 1; \
2060 gcprolist = &gcpro6; }
2062 #define UNGCPRO (gcprolist = gcpro1.next)
2066 extern int gcpro_level
;
2068 #define GCPRO1(varname) \
2069 {gcpro1.next = gcprolist; gcpro1.var = &varname; gcpro1.nvars = 1; \
2070 gcpro1.level = gcpro_level++; \
2071 gcprolist = &gcpro1; }
2073 #define GCPRO2(varname1, varname2) \
2074 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
2075 gcpro1.level = gcpro_level; \
2076 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
2077 gcpro2.level = gcpro_level++; \
2078 gcprolist = &gcpro2; }
2080 #define GCPRO3(varname1, varname2, varname3) \
2081 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
2082 gcpro1.level = gcpro_level; \
2083 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
2084 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
2085 gcpro3.level = gcpro_level++; \
2086 gcprolist = &gcpro3; }
2088 #define GCPRO4(varname1, varname2, varname3, varname4) \
2089 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
2090 gcpro1.level = gcpro_level; \
2091 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
2092 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
2093 gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \
2094 gcpro4.level = gcpro_level++; \
2095 gcprolist = &gcpro4; }
2097 #define GCPRO5(varname1, varname2, varname3, varname4, varname5) \
2098 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
2099 gcpro1.level = gcpro_level; \
2100 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
2101 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
2102 gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \
2103 gcpro5.next = &gcpro4; gcpro5.var = &varname5; gcpro5.nvars = 1; \
2104 gcpro5.level = gcpro_level++; \
2105 gcprolist = &gcpro5; }
2107 #define GCPRO6(varname1, varname2, varname3, varname4, varname5, varname6) \
2108 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
2109 gcpro1.level = gcpro_level; \
2110 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
2111 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
2112 gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \
2113 gcpro5.next = &gcpro4; gcpro5.var = &varname5; gcpro5.nvars = 1; \
2114 gcpro6.next = &gcpro5; gcpro6.var = &varname6; gcpro6.nvars = 1; \
2115 gcpro6.level = gcpro_level++; \
2116 gcprolist = &gcpro6; }
2119 ((--gcpro_level != gcpro1.level) \
2121 : ((gcprolist = gcpro1.next), 0))
2123 #endif /* DEBUG_GCPRO */
2124 #endif /* GC_MARK_STACK != GC_MAKE_GCPROS_NOOPS */
2127 /* Evaluate expr, UNGCPRO, and then return the value of expr. */
2128 #define RETURN_UNGCPRO(expr) \
2131 Lisp_Object ret_ungc_val; \
2132 ret_ungc_val = (expr); \
2134 return ret_ungc_val; \
2138 /* Call staticpro (&var) to protect static variable `var'. */
2140 void staticpro
P_ ((Lisp_Object
*));
2142 /* Declare a Lisp-callable function. The MAXARGS parameter has the same
2143 meaning as in the DEFUN macro, and is used to construct a prototype. */
2144 #if (!defined (__STDC__) && !defined (PROTOTYPES)) \
2145 || defined (USE_NONANSI_DEFUN)
2146 #define EXFUN(fnname, maxargs) \
2147 extern Lisp_Object fnname ()
2149 /* We can use the same trick as in the DEFUN macro to generate the
2150 appropriate prototype. */
2151 #define EXFUN(fnname, maxargs) \
2152 extern Lisp_Object fnname DEFUN_ARGS_ ## maxargs
2155 /* Forward declarations for prototypes. */
2159 /* Defined in data.c */
2160 extern Lisp_Object Qnil
, Qt
, Qquote
, Qlambda
, Qsubr
, Qunbound
;
2161 extern Lisp_Object Qerror_conditions
, Qerror_message
, Qtop_level
;
2162 extern Lisp_Object Qerror
, Qquit
, Qwrong_type_argument
, Qargs_out_of_range
;
2163 extern Lisp_Object Qvoid_variable
, Qvoid_function
;
2164 extern Lisp_Object Qsetting_constant
, Qinvalid_read_syntax
;
2165 extern Lisp_Object Qinvalid_function
, Qwrong_number_of_arguments
, Qno_catch
;
2166 extern Lisp_Object Qend_of_file
, Qarith_error
, Qmark_inactive
;
2167 extern Lisp_Object Qbeginning_of_buffer
, Qend_of_buffer
, Qbuffer_read_only
;
2168 extern Lisp_Object Qtext_read_only
;
2170 extern Lisp_Object Qintegerp
, Qnatnump
, Qwholenump
, Qsymbolp
, Qlistp
, Qconsp
;
2171 extern Lisp_Object Qstringp
, Qarrayp
, Qsequencep
, Qbufferp
;
2172 extern Lisp_Object Qchar_or_string_p
, Qmarkerp
, Qinteger_or_marker_p
, Qvectorp
;
2173 extern Lisp_Object Qbuffer_or_string_p
;
2174 extern Lisp_Object Qboundp
, Qfboundp
;
2175 extern Lisp_Object Qchar_table_p
, Qvector_or_char_table_p
;
2177 extern Lisp_Object Qcdr
;
2179 extern Lisp_Object Qrange_error
, Qdomain_error
, Qsingularity_error
;
2180 extern Lisp_Object Qoverflow_error
, Qunderflow_error
;
2182 extern Lisp_Object Qfloatp
;
2183 extern Lisp_Object Qnumberp
, Qnumber_or_marker_p
;
2185 extern Lisp_Object Qinteger
;
2187 extern void circular_list_error
P_ ((Lisp_Object
)) NO_RETURN
;
2188 EXFUN (Finteractive_form
, 1);
2190 /* Defined in frame.c */
2191 extern Lisp_Object Qframep
;
2199 EXFUN (Fintegerp
, 1);
2200 EXFUN (Fnatnump
, 1);
2201 EXFUN (Fsymbolp
, 1);
2202 EXFUN (Fvectorp
, 1);
2203 EXFUN (Fstringp
, 1);
2204 EXFUN (Fmultibyte_string_p
, 1);
2206 EXFUN (Fsequencep
, 1);
2207 EXFUN (Fbufferp
, 1);
2208 EXFUN (Fmarkerp
, 1);
2210 EXFUN (Fchar_or_string_p
, 1);
2211 EXFUN (Finteger_or_marker_p
, 1);
2213 EXFUN (Finteger_or_floatp
, 1);
2214 EXFUN (Finteger_or_float_or_marker_p
, 1);
2217 EXFUN (Fcar_safe
, 1);
2219 EXFUN (Fcdr_safe
, 1);
2223 EXFUN (Ffboundp
, 1);
2224 EXFUN (Fmakunbound
, 1);
2225 EXFUN (Ffmakunbound
, 1);
2226 EXFUN (Fsymbol_function
, 1);
2227 EXFUN (Fsymbol_plist
, 1);
2228 EXFUN (Fsymbol_name
, 1);
2229 extern Lisp_Object indirect_function
P_ ((Lisp_Object
));
2230 EXFUN (Findirect_function
, 2);
2232 EXFUN (Fsetplist
, 2);
2233 EXFUN (Fsymbol_value
, 1);
2234 extern Lisp_Object find_symbol_value
P_ ((Lisp_Object
));
2236 EXFUN (Fdefault_value
, 1);
2237 EXFUN (Fset_default
, 2);
2238 EXFUN (Fdefault_boundp
, 1);
2239 EXFUN (Fmake_local_variable
, 1);
2240 EXFUN (Flocal_variable_p
, 2);
2241 EXFUN (Flocal_variable_if_set_p
, 2);
2246 EXFUN (Fstring_to_number
, 2);
2247 EXFUN (Fnumber_to_string
, 1);
2248 EXFUN (Feqlsign
, 2);
2255 EXFUN (Fplus
, MANY
);
2256 EXFUN (Fminus
, MANY
);
2257 EXFUN (Ftimes
, MANY
);
2262 EXFUN (Flogand
, MANY
);
2263 EXFUN (Flogior
, MANY
);
2264 EXFUN (Flogxor
, MANY
);
2271 EXFUN (Fmake_variable_buffer_local
, 1);
2273 extern Lisp_Object indirect_variable
P_ ((Lisp_Object
));
2274 extern Lisp_Object long_to_cons
P_ ((unsigned long));
2275 extern unsigned long cons_to_long
P_ ((Lisp_Object
));
2276 extern void args_out_of_range
P_ ((Lisp_Object
, Lisp_Object
)) NO_RETURN
;
2277 extern void args_out_of_range_3
P_ ((Lisp_Object
, Lisp_Object
,
2278 Lisp_Object
)) NO_RETURN
;
2279 extern Lisp_Object wrong_type_argument
P_ ((Lisp_Object
, Lisp_Object
)) NO_RETURN
;
2280 extern void store_symval_forwarding
P_ ((Lisp_Object
, Lisp_Object
,
2281 Lisp_Object
, struct buffer
*));
2282 extern Lisp_Object do_symval_forwarding
P_ ((Lisp_Object
));
2283 extern Lisp_Object set_internal
P_ ((Lisp_Object
, Lisp_Object
, struct buffer
*, int));
2284 extern void syms_of_data
P_ ((void));
2285 extern void init_data
P_ ((void));
2286 extern void swap_in_global_binding
P_ ((Lisp_Object
));
2288 /* Defined in cmds.c */
2289 EXFUN (Fend_of_line
, 1);
2290 EXFUN (Fforward_char
, 1);
2291 EXFUN (Fforward_line
, 1);
2292 extern int internal_self_insert
P_ ((int, int));
2293 extern void syms_of_cmds
P_ ((void));
2294 extern void keys_of_cmds
P_ ((void));
2296 /* Defined in coding.c */
2297 EXFUN (Fcoding_system_p
, 1);
2298 EXFUN (Fcoding_system_base
, 1);
2299 EXFUN (Fcoding_system_eol_type
, 1);
2300 EXFUN (Fcheck_coding_system
, 1);
2301 EXFUN (Fcheck_coding_system
, 1);
2302 EXFUN (Fread_coding_system
, 2);
2303 EXFUN (Fread_non_nil_coding_system
, 1);
2304 EXFUN (Ffind_operation_coding_system
, MANY
);
2305 EXFUN (Fupdate_coding_systems_internal
, 0);
2306 EXFUN (Fencode_coding_string
, 4);
2307 EXFUN (Fdecode_coding_string
, 4);
2308 extern Lisp_Object detect_coding_system
P_ ((const unsigned char *, int,
2309 int, int, int, Lisp_Object
));
2310 extern void init_coding
P_ ((void));
2311 extern void init_coding_once
P_ ((void));
2312 extern void syms_of_coding
P_ ((void));
2314 /* Defined in character.c */
2315 extern void init_character_once
P_ ((void));
2316 extern void syms_of_character
P_ ((void));
2317 EXFUN (Funibyte_char_to_multibyte
, 1);
2319 /* Defined in charset.c */
2320 EXFUN (Fchar_bytes
, 1);
2321 EXFUN (Fchar_width
, 1);
2322 EXFUN (Fstring
, MANY
);
2323 extern int chars_in_text
P_ ((const unsigned char *, int));
2324 extern int multibyte_chars_in_text
P_ ((const unsigned char *, int));
2325 extern int multibyte_char_to_unibyte
P_ ((int, Lisp_Object
));
2326 extern Lisp_Object Qcharset
;
2327 extern void init_charset
P_ ((void));
2328 extern void init_charset_once
P_ ((void));
2329 extern void syms_of_charset
P_ ((void));
2330 /* Structure forward declarations. */
2333 /* Defined in composite.c */
2334 extern void syms_of_composite
P_ ((void));
2336 /* Defined in syntax.c */
2337 EXFUN (Fforward_word
, 1);
2338 EXFUN (Fskip_chars_forward
, 2);
2339 EXFUN (Fskip_chars_backward
, 2);
2340 EXFUN (Fsyntax_table_p
, 1);
2341 EXFUN (Fsyntax_table
, 0);
2342 EXFUN (Fset_syntax_table
, 1);
2343 extern void init_syntax_once
P_ ((void));
2344 extern void syms_of_syntax
P_ ((void));
2346 /* Defined in fns.c */
2347 extern int use_dialog_box
;
2348 extern int next_almost_prime
P_ ((int));
2349 extern Lisp_Object larger_vector
P_ ((Lisp_Object
, int, Lisp_Object
));
2350 extern void sweep_weak_hash_tables
P_ ((void));
2351 extern Lisp_Object Qstring_lessp
;
2352 extern Lisp_Object Vfeatures
;
2353 extern Lisp_Object QCtest
, QCweakness
, Qequal
, Qeq
;
2354 unsigned sxhash
P_ ((Lisp_Object
, int));
2355 Lisp_Object make_hash_table
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
,
2356 Lisp_Object
, Lisp_Object
, Lisp_Object
,
2358 Lisp_Object copy_hash_table
P_ ((struct Lisp_Hash_Table
*));
2359 int hash_lookup
P_ ((struct Lisp_Hash_Table
*, Lisp_Object
, unsigned *));
2360 int hash_put
P_ ((struct Lisp_Hash_Table
*, Lisp_Object
, Lisp_Object
,
2362 void hash_remove
P_ ((struct Lisp_Hash_Table
*, Lisp_Object
));
2363 void hash_clear
P_ ((struct Lisp_Hash_Table
*));
2364 void remove_hash_entry
P_ ((struct Lisp_Hash_Table
*, int));
2365 extern void init_fns
P_ ((void));
2367 EXFUN (Fmake_hash_table
, MANY
);
2368 EXFUN (Fmakehash
, 1);
2369 EXFUN (Fcopy_hash_table
, 1);
2370 EXFUN (Fhash_table_count
, 1);
2371 EXFUN (Fhash_table_rehash_size
, 1);
2372 EXFUN (Fhash_table_rehash_threshold
, 1);
2373 EXFUN (Fhash_table_size
, 1);
2374 EXFUN (Fhash_table_test
, 1);
2375 EXFUN (Fhash_table_weak
, 1);
2376 EXFUN (Fhash_table_p
, 1);
2377 EXFUN (Fclrhash
, 1);
2378 EXFUN (Fgethash
, 3);
2379 EXFUN (Fputhash
, 3);
2380 EXFUN (Fremhash
, 2);
2381 EXFUN (Fmaphash
, 2);
2382 EXFUN (Fdefine_hash_table_test
, 3);
2384 EXFUN (Fidentity
, 1);
2387 EXFUN (Fsafe_length
, 1);
2388 EXFUN (Fappend
, MANY
);
2389 EXFUN (Fconcat
, MANY
);
2390 EXFUN (Fvconcat
, MANY
);
2391 EXFUN (Fcopy_sequence
, 1);
2392 EXFUN (Fstring_make_multibyte
, 1);
2393 EXFUN (Fstring_make_unibyte
, 1);
2394 EXFUN (Fstring_as_multibyte
, 1);
2395 EXFUN (Fstring_as_unibyte
, 1);
2396 EXFUN (Fstring_to_multibyte
, 1);
2397 EXFUN (Fsubstring
, 3);
2398 extern Lisp_Object substring_both
P_ ((Lisp_Object
, int, int, int, int));
2410 EXFUN (Freverse
, 1);
2411 EXFUN (Fnreverse
, 1);
2415 EXFUN (Ffillarray
, 2);
2416 EXFUN (Fnconc
, MANY
);
2418 EXFUN (Fmapconcat
, 3);
2419 EXFUN (Fy_or_n_p
, 1);
2420 extern Lisp_Object do_yes_or_no_p
P_ ((Lisp_Object
));
2421 EXFUN (Frequire
, 3);
2422 EXFUN (Fprovide
, 2);
2423 extern Lisp_Object concat2
P_ ((Lisp_Object
, Lisp_Object
));
2424 extern Lisp_Object concat3
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
));
2425 extern Lisp_Object nconc2
P_ ((Lisp_Object
, Lisp_Object
));
2426 extern Lisp_Object assq_no_quit
P_ ((Lisp_Object
, Lisp_Object
));
2427 extern Lisp_Object assoc_no_quit
P_ ((Lisp_Object
, Lisp_Object
));
2428 extern void clear_string_char_byte_cache
P_ ((void));
2429 extern int string_char_to_byte
P_ ((Lisp_Object
, int));
2430 extern int string_byte_to_char
P_ ((Lisp_Object
, int));
2431 extern Lisp_Object string_make_multibyte
P_ ((Lisp_Object
));
2432 extern Lisp_Object string_to_multibyte
P_ ((Lisp_Object
));
2433 extern Lisp_Object string_make_unibyte
P_ ((Lisp_Object
));
2434 EXFUN (Fcopy_alist
, 1);
2435 EXFUN (Fplist_get
, 2);
2436 EXFUN (Fplist_put
, 3);
2437 EXFUN (Fplist_member
, 2);
2439 EXFUN (Fstring_equal
, 2);
2440 EXFUN (Fcompare_strings
, 7);
2441 EXFUN (Fstring_lessp
, 2);
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_gap
P_ ((int, int));
2475 extern void insert_from_string
P_ ((Lisp_Object
, int, int, int, int, int));
2476 extern void insert_from_buffer
P_ ((struct buffer
*, int, int, int));
2477 extern void insert_char
P_ ((int));
2478 extern void insert_string
P_ ((const char *));
2479 extern void insert_before_markers
P_ ((const unsigned char *, int));
2480 extern void insert_before_markers_and_inherit
P_ ((const unsigned char *, int));
2481 extern void insert_from_string_before_markers
P_ ((Lisp_Object
, int, int, int, int, int));
2482 extern void del_range
P_ ((int, int));
2483 extern Lisp_Object del_range_1
P_ ((int, int, int, int));
2484 extern void del_range_byte
P_ ((int, int, int));
2485 extern void del_range_both
P_ ((int, int, int, int, int));
2486 extern Lisp_Object del_range_2
P_ ((int, int, int, int, int));
2487 extern void modify_region
P_ ((struct buffer
*, int, int, int));
2488 extern void prepare_to_modify_buffer
P_ ((int, int, int *));
2489 extern void signal_before_change
P_ ((int, int, int *));
2490 extern void signal_after_change
P_ ((int, int, int));
2491 extern void adjust_after_replace
P_ ((int, int, Lisp_Object
, int, int));
2492 extern void adjust_after_replace_noundo
P_ ((int, int, int, int, int, int));
2493 extern void adjust_after_insert
P_ ((int, int, int, int, int));
2494 extern void replace_range
P_ ((int, int, Lisp_Object
, int, int, int));
2495 extern void replace_range_2
P_ ((int, int, int, int, char *, int, int, int));
2496 extern void syms_of_insdel
P_ ((void));
2498 /* Defined in dispnew.c */
2499 extern Lisp_Object selected_frame
;
2500 extern EMACS_INT baud_rate
;
2502 EXFUN (Fredraw_frame
, 1);
2503 EXFUN (Fredraw_display
, 0);
2504 EXFUN (Fsleep_for
, 2);
2505 EXFUN (Fredisplay
, 1);
2506 extern Lisp_Object sit_for
P_ ((Lisp_Object
, int, int));
2507 extern void init_display
P_ ((void));
2508 extern void syms_of_display
P_ ((void));
2509 extern void safe_bcopy
P_ ((const char *, char *, int));
2511 /* Defined in xdisp.c */
2512 extern Lisp_Object Qinhibit_point_motion_hooks
;
2513 extern Lisp_Object Qinhibit_redisplay
, Qdisplay
;
2514 extern Lisp_Object Qinhibit_eval_during_redisplay
;
2515 extern Lisp_Object Qmessage_truncate_lines
;
2516 extern Lisp_Object Qimage
;
2517 extern Lisp_Object Vmessage_log_max
;
2518 extern int message_enable_multibyte
;
2519 extern Lisp_Object echo_area_buffer
[2];
2520 extern void check_message_stack
P_ ((void));
2521 extern void setup_echo_area_for_printing
P_ ((int));
2522 extern int push_message
P_ ((void));
2523 extern Lisp_Object pop_message_unwind
P_ ((Lisp_Object
));
2524 extern Lisp_Object restore_message_unwind
P_ ((Lisp_Object
));
2525 extern void pop_message
P_ ((void));
2526 extern void restore_message
P_ ((void));
2527 extern Lisp_Object current_message
P_ ((void));
2528 extern void set_message
P_ ((const char *s
, Lisp_Object
, int, int));
2529 extern void clear_message
P_ ((int, int));
2530 extern void message
P_ ((/* char *, ... */));
2531 extern void message_nolog
P_ ((/* char *, ... */));
2532 extern void message1
P_ ((char *));
2533 extern void message1_nolog
P_ ((char *));
2534 extern void message2
P_ ((const char *, int, int));
2535 extern void message2_nolog
P_ ((const char *, int, int));
2536 extern void message3
P_ ((Lisp_Object
, int, int));
2537 extern void message3_nolog
P_ ((Lisp_Object
, int, int));
2538 extern void message_dolog
P_ ((const char *, int, int, int));
2539 extern void message_with_string
P_ ((char *, Lisp_Object
, int));
2540 extern void message_log_maybe_newline
P_ ((void));
2541 extern void update_echo_area
P_ ((void));
2542 extern void truncate_echo_area
P_ ((int));
2543 extern void redisplay
P_ ((void));
2544 extern int check_point_in_composition
2545 P_ ((struct buffer
*, int, struct buffer
*, int));
2546 extern void redisplay_preserve_echo_area
P_ ((int));
2547 extern void prepare_menu_bars
P_ ((void));
2549 void set_frame_cursor_types
P_ ((struct frame
*, Lisp_Object
));
2550 extern void syms_of_xdisp
P_ ((void));
2551 extern void init_xdisp
P_ ((void));
2552 extern Lisp_Object safe_eval
P_ ((Lisp_Object
));
2553 extern int pos_visible_p
P_ ((struct window
*, int, int *,
2554 int *, int *, int *, int *, int *));
2556 /* Defined in vm-limit.c. */
2557 extern void memory_warnings
P_ ((POINTER_TYPE
*, void (*warnfun
) ()));
2559 /* Defined in alloc.c */
2560 extern void check_pure_size
P_ ((void));
2561 extern void allocate_string_data
P_ ((struct Lisp_String
*, int, int));
2562 extern void reset_malloc_hooks
P_ ((void));
2563 extern void uninterrupt_malloc
P_ ((void));
2564 extern void malloc_warning
P_ ((char *));
2565 extern void memory_full
P_ ((void)) NO_RETURN
;
2566 extern void buffer_memory_full
P_ ((void)) NO_RETURN
;
2567 extern int survives_gc_p
P_ ((Lisp_Object
));
2568 extern void mark_object
P_ ((Lisp_Object
));
2569 extern Lisp_Object Vpurify_flag
;
2570 extern Lisp_Object Vmemory_full
;
2577 EXFUN (Flist
, MANY
);
2578 EXFUN (Fmake_list
, 2);
2579 extern Lisp_Object allocate_misc
P_ ((void));
2580 EXFUN (Fmake_vector
, 2);
2581 EXFUN (Fvector
, MANY
);
2582 EXFUN (Fmake_symbol
, 1);
2583 EXFUN (Fmake_marker
, 0);
2584 EXFUN (Fmake_string
, 2);
2585 extern Lisp_Object build_string
P_ ((const char *));
2586 extern Lisp_Object make_string
P_ ((const char *, int));
2587 extern Lisp_Object make_unibyte_string
P_ ((const char *, int));
2588 extern Lisp_Object make_multibyte_string
P_ ((const char *, int, int));
2589 extern Lisp_Object make_event_array
P_ ((int, Lisp_Object
*));
2590 extern Lisp_Object make_uninit_string
P_ ((int));
2591 extern Lisp_Object make_uninit_multibyte_string
P_ ((int, int));
2592 extern Lisp_Object make_string_from_bytes
P_ ((const char *, int, int));
2593 extern Lisp_Object make_specified_string
P_ ((const char *, int, int, int));
2594 EXFUN (Fpurecopy
, 1);
2595 extern Lisp_Object make_pure_string
P_ ((char *, int, int, int));
2596 extern Lisp_Object pure_cons
P_ ((Lisp_Object
, Lisp_Object
));
2597 extern Lisp_Object make_pure_vector
P_ ((EMACS_INT
));
2598 EXFUN (Fgarbage_collect
, 0);
2599 EXFUN (Fmake_byte_code
, MANY
);
2600 EXFUN (Fmake_bool_vector
, 2);
2601 extern Lisp_Object Qchar_table_extra_slots
;
2602 extern struct Lisp_Vector
*allocate_vector
P_ ((EMACS_INT
));
2603 extern struct Lisp_Vector
*allocate_other_vector
P_ ((EMACS_INT
));
2604 extern struct Lisp_Hash_Table
*allocate_hash_table
P_ ((void));
2605 extern struct window
*allocate_window
P_ ((void));
2606 extern struct frame
*allocate_frame
P_ ((void));
2607 extern struct Lisp_Process
*allocate_process
P_ ((void));
2608 extern int gc_in_progress
;
2609 extern int abort_on_gc
;
2610 extern Lisp_Object make_float
P_ ((double));
2611 extern void display_malloc_warning
P_ ((void));
2612 extern int inhibit_garbage_collection
P_ ((void));
2613 extern Lisp_Object make_save_value
P_ ((void *, int));
2614 extern void free_misc
P_ ((Lisp_Object
));
2615 extern void free_marker
P_ ((Lisp_Object
));
2616 extern void free_cons
P_ ((struct Lisp_Cons
*));
2617 extern void init_alloc_once
P_ ((void));
2618 extern void init_alloc
P_ ((void));
2619 extern void syms_of_alloc
P_ ((void));
2620 extern struct buffer
* allocate_buffer
P_ ((void));
2621 extern int valid_lisp_object_p
P_ ((Lisp_Object
));
2623 /* Defined in chartab.c */
2624 EXFUN (Fmake_char_table
, 2);
2625 EXFUN (Fchar_table_parent
, 1);
2626 EXFUN (Fset_char_table_parent
, 2);
2627 EXFUN (Fchar_table_extra_slot
, 2);
2628 EXFUN (Fset_char_table_extra_slot
, 3);
2629 EXFUN (Fchar_table_range
, 2);
2630 EXFUN (Fset_char_table_range
, 3);
2631 EXFUN (Fset_char_table_default
, 3);
2632 EXFUN (Foptimize_char_table
, 1);
2633 EXFUN (Fmap_char_table
, 2);
2634 extern Lisp_Object copy_char_table
P_ ((Lisp_Object
));
2635 extern Lisp_Object sub_char_table_ref
P_ ((Lisp_Object
, int));
2636 extern Lisp_Object char_table_ref
P_ ((Lisp_Object
, int));
2637 extern Lisp_Object char_table_ref_and_range
P_ ((Lisp_Object
, int,
2639 extern Lisp_Object char_table_set
P_ ((Lisp_Object
, int, Lisp_Object
));
2640 extern Lisp_Object char_table_set_range
P_ ((Lisp_Object
, int, int,
2642 extern int char_table_translate
P_ ((Lisp_Object
, int));
2643 extern void map_char_table
P_ ((void (*) (Lisp_Object
, Lisp_Object
,
2645 Lisp_Object
, Lisp_Object
, Lisp_Object
));
2646 extern void syms_of_chartab
P_ ((void));
2648 /* Defined in print.c */
2649 extern Lisp_Object Vprin1_to_string_buffer
;
2650 extern void debug_print
P_ ((Lisp_Object
));
2652 EXFUN (Fprin1_to_string
, 2);
2656 EXFUN (Ferror_message_string
, 1);
2657 extern Lisp_Object Vstandard_output
, Qstandard_output
;
2658 extern Lisp_Object Qexternal_debugging_output
;
2659 extern void temp_output_buffer_setup
P_ ((const char *));
2660 extern int print_level
, print_escape_newlines
;
2661 extern Lisp_Object Qprint_escape_newlines
;
2662 extern void write_string
P_ ((char *, int));
2663 extern void write_string_1
P_ ((char *, int, Lisp_Object
));
2664 extern void print_error_message
P_ ((Lisp_Object
, Lisp_Object
, char *, Lisp_Object
));
2665 extern Lisp_Object internal_with_output_to_temp_buffer
2666 P_ ((const char *, Lisp_Object (*) (Lisp_Object
), Lisp_Object
));
2667 extern void float_to_string
P_ ((unsigned char *, double));
2668 extern void syms_of_print
P_ ((void));
2670 /* Defined in doprnt.c */
2671 extern int doprnt
P_ ((char *, int, char *, char *, int, char **));
2672 extern int doprnt_lisp
P_ ((char *, int, char *, char *, int, char **));
2674 /* Defined in lread.c */
2675 extern Lisp_Object Qvariable_documentation
, Qstandard_input
;
2676 extern Lisp_Object Vobarray
, initial_obarray
, Vstandard_input
;
2678 EXFUN (Fread_from_string
, 3);
2680 EXFUN (Fintern_soft
, 2);
2682 EXFUN (Fget_load_suffixes
, 0);
2683 EXFUN (Fget_file_char
, 0);
2684 EXFUN (Fread_char
, 3);
2685 EXFUN (Fread_event
, 3);
2686 extern Lisp_Object read_filtered_event
P_ ((int, int, int, int, Lisp_Object
));
2687 EXFUN (Feval_region
, 4);
2688 extern Lisp_Object intern
P_ ((const char *));
2689 extern Lisp_Object make_symbol
P_ ((char *));
2690 extern Lisp_Object oblookup
P_ ((Lisp_Object
, const char *, int, int));
2691 #define LOADHIST_ATTACH(x) \
2692 if (initialized) Vcurrent_load_list = Fcons (x, Vcurrent_load_list)
2693 extern Lisp_Object Vcurrent_load_list
;
2694 extern Lisp_Object Vload_history
, Vload_suffixes
, Vload_file_rep_suffixes
;
2695 extern int openp
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
,
2696 Lisp_Object
*, Lisp_Object
));
2697 extern int isfloat_string
P_ ((char *));
2698 extern void map_obarray
P_ ((Lisp_Object
, void (*) (Lisp_Object
, Lisp_Object
),
2700 extern void dir_warning
P_ ((char *, Lisp_Object
));
2701 extern void close_load_descs
P_ ((void));
2702 extern void init_obarray
P_ ((void));
2703 extern void init_lread
P_ ((void));
2704 extern void syms_of_lread
P_ ((void));
2706 /* Defined in eval.c */
2707 extern Lisp_Object Qautoload
, Qexit
, Qinteractive
, Qcommandp
, Qdefun
, Qmacro
;
2708 extern Lisp_Object Vinhibit_quit
, Qinhibit_quit
, Vquit_flag
;
2709 extern Lisp_Object Vautoload_queue
;
2710 extern Lisp_Object Vdebug_on_error
;
2711 extern Lisp_Object Vsignaling_function
;
2712 extern int handling_signal
;
2713 extern int interactive_p
P_ ((int));
2715 /* To run a normal hook, use the appropriate function from the list below.
2716 The calling convention:
2718 if (!NILP (Vrun_hooks))
2719 call1 (Vrun_hooks, Qmy_funny_hook);
2721 should no longer be used. */
2722 extern Lisp_Object Vrun_hooks
;
2723 EXFUN (Frun_hooks
, MANY
);
2724 EXFUN (Frun_hook_with_args
, MANY
);
2725 EXFUN (Frun_hook_with_args_until_success
, MANY
);
2726 EXFUN (Frun_hook_with_args_until_failure
, MANY
);
2727 extern Lisp_Object run_hook_list_with_args
P_ ((Lisp_Object
, int, Lisp_Object
*));
2728 extern void run_hook_with_args_2
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
));
2729 EXFUN (Fand
, UNEVALLED
);
2730 EXFUN (For
, UNEVALLED
);
2731 EXFUN (Fif
, UNEVALLED
);
2732 EXFUN (Fprogn
, UNEVALLED
);
2733 EXFUN (Fprog1
, UNEVALLED
);
2734 EXFUN (Fprog2
, UNEVALLED
);
2735 EXFUN (Fsetq
, UNEVALLED
);
2736 EXFUN (Fquote
, UNEVALLED
);
2737 EXFUN (Fuser_variable_p
, 1);
2738 EXFUN (Finteractive_p
, 0);
2739 EXFUN (Fdefun
, UNEVALLED
);
2740 EXFUN (Flet
, UNEVALLED
);
2741 EXFUN (FletX
, UNEVALLED
);
2742 EXFUN (Fwhile
, UNEVALLED
);
2743 EXFUN (Fcatch
, UNEVALLED
);
2744 EXFUN (Fthrow
, 2) NO_RETURN
;
2745 EXFUN (Funwind_protect
, UNEVALLED
);
2746 EXFUN (Fcondition_case
, UNEVALLED
);
2748 extern void xsignal
P_ ((Lisp_Object
, Lisp_Object
)) NO_RETURN
;
2749 extern void xsignal0
P_ ((Lisp_Object
)) NO_RETURN
;
2750 extern void xsignal1
P_ ((Lisp_Object
, Lisp_Object
)) NO_RETURN
;
2751 extern void xsignal2
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
)) NO_RETURN
;
2752 extern void xsignal3
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
)) NO_RETURN
;
2753 extern void signal_error
P_ ((char *, Lisp_Object
)) NO_RETURN
;
2754 EXFUN (Fautoload
, 5);
2755 EXFUN (Fcommandp
, 2);
2757 EXFUN (Fapply
, MANY
);
2758 EXFUN (Ffuncall
, MANY
);
2759 EXFUN (Fbacktrace
, 0);
2760 extern Lisp_Object apply1
P_ ((Lisp_Object
, Lisp_Object
));
2761 extern Lisp_Object call0
P_ ((Lisp_Object
));
2762 extern Lisp_Object call1
P_ ((Lisp_Object
, Lisp_Object
));
2763 extern Lisp_Object call2
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
));
2764 extern Lisp_Object call3
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
));
2765 extern Lisp_Object call4
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
));
2766 extern Lisp_Object call5
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
));
2767 extern Lisp_Object call6
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
));
2768 EXFUN (Fdo_auto_save
, 2);
2769 extern Lisp_Object apply_lambda
P_ ((Lisp_Object
, Lisp_Object
, int));
2770 extern Lisp_Object internal_catch
P_ ((Lisp_Object
, Lisp_Object (*) (Lisp_Object
), Lisp_Object
));
2771 extern Lisp_Object internal_lisp_condition_case
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
));
2772 extern Lisp_Object internal_condition_case
P_ ((Lisp_Object (*) (void), Lisp_Object
, Lisp_Object (*) (Lisp_Object
)));
2773 extern Lisp_Object internal_condition_case_1
P_ ((Lisp_Object (*) (Lisp_Object
), Lisp_Object
, Lisp_Object
, Lisp_Object (*) (Lisp_Object
)));
2774 extern Lisp_Object internal_condition_case_2
P_ ((Lisp_Object (*) (int, Lisp_Object
*), int, Lisp_Object
*, Lisp_Object
, Lisp_Object (*) (Lisp_Object
)));
2775 extern void specbind
P_ ((Lisp_Object
, Lisp_Object
));
2776 extern void record_unwind_protect
P_ ((Lisp_Object (*) (Lisp_Object
), Lisp_Object
));
2777 extern Lisp_Object unbind_to
P_ ((int, Lisp_Object
));
2778 extern void error
P_ ((/* char *, ... */)) NO_RETURN
;
2779 extern void do_autoload
P_ ((Lisp_Object
, Lisp_Object
));
2780 extern Lisp_Object un_autoload
P_ ((Lisp_Object
));
2781 EXFUN (Ffetch_bytecode
, 1);
2782 extern void init_eval_once
P_ ((void));
2783 extern Lisp_Object safe_call
P_ ((int, Lisp_Object
*));
2784 extern Lisp_Object safe_call1
P_ ((Lisp_Object
, Lisp_Object
));
2785 extern void init_eval
P_ ((void));
2786 extern void syms_of_eval
P_ ((void));
2788 /* Defined in editfns.c */
2789 EXFUN (Fpropertize
, MANY
);
2790 EXFUN (Fcurrent_message
, 0);
2791 EXFUN (Fgoto_char
, 1);
2792 EXFUN (Fpoint_min_marker
, 0);
2793 EXFUN (Fpoint_max_marker
, 0);
2794 EXFUN (Fpoint_min
, 0);
2795 EXFUN (Fpoint_max
, 0);
2797 EXFUN (Fpoint_marker
, 0);
2798 EXFUN (Fmark_marker
, 0);
2799 EXFUN (Fline_beginning_position
, 1);
2800 EXFUN (Fline_end_position
, 1);
2801 EXFUN (Ffollowing_char
, 0);
2802 EXFUN (Fprevious_char
, 0);
2803 EXFUN (Fchar_after
, 1);
2804 EXFUN (Finsert
, MANY
);
2805 EXFUN (Finsert_and_inherit
, MANY
);
2806 EXFUN (Finsert_before_markers
, MANY
);
2807 EXFUN (Finsert_buffer_substring
, 3);
2808 EXFUN (Finsert_char
, 3);
2809 extern void insert1
P_ ((Lisp_Object
));
2814 EXFUN (Fformat
, MANY
);
2815 EXFUN (Fmessage
, MANY
);
2816 extern Lisp_Object format2
P_ ((char *, Lisp_Object
, Lisp_Object
));
2817 EXFUN (Fbuffer_substring
, 2);
2818 EXFUN (Fbuffer_string
, 0);
2819 extern Lisp_Object save_excursion_save
P_ ((void));
2820 extern Lisp_Object save_restriction_save
P_ ((void));
2821 extern Lisp_Object save_excursion_restore
P_ ((Lisp_Object
));
2822 extern Lisp_Object save_restriction_restore
P_ ((Lisp_Object
));
2823 EXFUN (Fchar_to_string
, 1);
2824 EXFUN (Fdelete_region
, 2);
2825 EXFUN (Fnarrow_to_region
, 2);
2827 EXFUN (Fuser_login_name
, 1);
2828 EXFUN (Fsystem_name
, 0);
2829 EXFUN (Fcurrent_time
, 0);
2830 extern int clip_to_bounds
P_ ((int, int, int));
2831 extern Lisp_Object make_buffer_string
P_ ((int, int, int));
2832 extern Lisp_Object make_buffer_string_both
P_ ((int, int, int, int, int));
2833 extern void init_editfns
P_ ((void));
2834 extern void syms_of_editfns
P_ ((void));
2835 extern Lisp_Object Vinhibit_field_text_motion
;
2836 EXFUN (Fconstrain_to_field
, 5);
2837 EXFUN (Ffield_string
, 1);
2838 EXFUN (Fdelete_field
, 1);
2839 EXFUN (Ffield_beginning
, 3);
2840 EXFUN (Ffield_end
, 3);
2841 EXFUN (Ffield_string_no_properties
, 1);
2842 extern void set_time_zone_rule
P_ ((char *));
2844 /* defined in buffer.c */
2845 extern int mouse_face_overlay_overlaps
P_ ((Lisp_Object
));
2846 extern void nsberror
P_ ((Lisp_Object
)) NO_RETURN
;
2847 extern char *no_switch_window
P_ ((Lisp_Object window
));
2848 EXFUN (Fset_buffer_multibyte
, 1);
2849 EXFUN (Foverlay_start
, 1);
2850 EXFUN (Foverlay_end
, 1);
2851 extern void adjust_overlays_for_insert
P_ ((EMACS_INT
, EMACS_INT
));
2852 extern void adjust_overlays_for_delete
P_ ((EMACS_INT
, EMACS_INT
));
2853 extern void fix_start_end_in_overlays
P_ ((int, int));
2854 extern void report_overlay_modification
P_ ((Lisp_Object
, Lisp_Object
, int,
2855 Lisp_Object
, Lisp_Object
, Lisp_Object
));
2856 extern int overlay_touches_p
P_ ((int));
2857 extern Lisp_Object Vbuffer_alist
, Vinhibit_read_only
;
2858 EXFUN (Fget_buffer
, 1);
2859 EXFUN (Fget_buffer_create
, 1);
2860 EXFUN (Fgenerate_new_buffer_name
, 2);
2861 EXFUN (Fset_buffer
, 1);
2862 EXFUN (set_buffer_if_live
, 1);
2863 EXFUN (Fbarf_if_buffer_read_only
, 0);
2864 EXFUN (Fcurrent_buffer
, 0);
2865 EXFUN (Fswitch_to_buffer
, 2);
2866 EXFUN (Fpop_to_buffer
, 3);
2867 EXFUN (Fother_buffer
, 3);
2868 EXFUN (Foverlay_get
, 2);
2869 EXFUN (Fbuffer_modified_p
, 1);
2870 EXFUN (Fset_buffer_modified_p
, 1);
2871 EXFUN (Fkill_buffer
, 1);
2872 EXFUN (Fkill_all_local_variables
, 0);
2873 EXFUN (Fbuffer_disable_undo
, 1);
2874 EXFUN (Fbuffer_enable_undo
, 1);
2875 EXFUN (Ferase_buffer
, 0);
2876 extern Lisp_Object Qoverlayp
;
2877 extern Lisp_Object Qevaporate
;
2878 extern Lisp_Object get_truename_buffer
P_ ((Lisp_Object
));
2879 extern struct buffer
*all_buffers
;
2880 EXFUN (Fprevious_overlay_change
, 1);
2881 EXFUN (Fbuffer_file_name
, 1);
2882 extern void init_buffer_once
P_ ((void));
2883 extern void init_buffer
P_ ((void));
2884 extern void syms_of_buffer
P_ ((void));
2885 extern void keys_of_buffer
P_ ((void));
2887 /* defined in marker.c */
2889 EXFUN (Fmarker_position
, 1);
2890 EXFUN (Fmarker_buffer
, 1);
2891 EXFUN (Fcopy_marker
, 2);
2892 EXFUN (Fset_marker
, 3);
2893 extern int marker_position
P_ ((Lisp_Object
));
2894 extern int marker_byte_position
P_ ((Lisp_Object
));
2895 extern void clear_charpos_cache
P_ ((struct buffer
*));
2896 extern int charpos_to_bytepos
P_ ((int));
2897 extern int buf_charpos_to_bytepos
P_ ((struct buffer
*, int));
2898 extern int buf_bytepos_to_charpos
P_ ((struct buffer
*, int));
2899 extern void unchain_marker
P_ ((struct Lisp_Marker
*marker
));
2900 extern Lisp_Object set_marker_restricted
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
));
2901 extern Lisp_Object set_marker_both
P_ ((Lisp_Object
, Lisp_Object
, int, int));
2902 extern Lisp_Object set_marker_restricted_both
P_ ((Lisp_Object
, Lisp_Object
,
2904 extern void syms_of_marker
P_ ((void));
2906 /* Defined in fileio.c */
2908 extern Lisp_Object Qfile_error
;
2909 EXFUN (Ffind_file_name_handler
, 2);
2910 EXFUN (Ffile_name_as_directory
, 1);
2911 EXFUN (Fmake_temp_name
, 1);
2912 EXFUN (Fexpand_file_name
, 2);
2913 EXFUN (Ffile_name_nondirectory
, 1);
2914 EXFUN (Fsubstitute_in_file_name
, 1);
2915 EXFUN (Ffile_symlink_p
, 1);
2916 EXFUN (Fverify_visited_file_modtime
, 1);
2917 EXFUN (Ffile_exists_p
, 1);
2918 EXFUN (Ffile_name_absolute_p
, 1);
2919 EXFUN (Fdirectory_file_name
, 1);
2920 EXFUN (Ffile_name_directory
, 1);
2921 extern Lisp_Object expand_and_dir_to_file
P_ ((Lisp_Object
, Lisp_Object
));
2922 EXFUN (Ffile_accessible_directory_p
, 1);
2923 EXFUN (Funhandled_file_name_directory
, 1);
2924 EXFUN (Ffile_directory_p
, 1);
2925 EXFUN (Fwrite_region
, 7);
2926 EXFUN (Ffile_readable_p
, 1);
2927 EXFUN (Ffile_executable_p
, 1);
2928 EXFUN (Fread_file_name
, 6);
2929 extern Lisp_Object close_file_unwind
P_ ((Lisp_Object
));
2930 extern void report_file_error
P_ ((const char *, Lisp_Object
)) NO_RETURN
;
2931 extern int internal_delete_file
P_ ((Lisp_Object
));
2932 extern void syms_of_fileio
P_ ((void));
2933 extern void init_fileio_once
P_ ((void));
2934 extern Lisp_Object make_temp_name
P_ ((Lisp_Object
, int));
2935 EXFUN (Fmake_symbolic_link
, 3);
2937 /* Defined in abbrev.c */
2939 extern void syms_of_abbrev
P_ ((void));
2941 /* defined in search.c */
2942 extern void shrink_regexp_cache
P_ ((void));
2943 EXFUN (Fstring_match
, 3);
2944 extern void restore_search_regs
P_ ((void));
2945 EXFUN (Fmatch_data
, 3);
2946 EXFUN (Fset_match_data
, 2);
2947 EXFUN (Fmatch_beginning
, 1);
2948 EXFUN (Fmatch_end
, 1);
2949 extern void record_unwind_save_match_data
P_ ((void));
2950 EXFUN (Flooking_at
, 1);
2951 extern int fast_string_match
P_ ((Lisp_Object
, Lisp_Object
));
2952 extern int fast_c_string_match_ignore_case
P_ ((Lisp_Object
, const char *));
2953 extern int fast_string_match_ignore_case
P_ ((Lisp_Object
, Lisp_Object
));
2954 extern int scan_buffer
P_ ((int, int, int, int, int *, int));
2955 extern int scan_newline
P_ ((int, int, int, int, int, int));
2956 extern int find_next_newline
P_ ((int, int));
2957 extern int find_next_newline_no_quit
P_ ((int, int));
2958 extern int find_before_next_newline
P_ ((int, int, int));
2959 extern void syms_of_search
P_ ((void));
2960 extern void clear_regexp_cache
P_ ((void));
2962 /* defined in minibuf.c */
2964 extern Lisp_Object last_minibuf_string
;
2965 extern void choose_minibuf_frame
P_ ((void));
2966 EXFUN (Fcompleting_read
, 8);
2967 EXFUN (Fread_from_minibuffer
, 7);
2968 EXFUN (Fread_variable
, 2);
2969 EXFUN (Fread_buffer
, 3);
2970 EXFUN (Fread_minibuffer
, 2);
2971 EXFUN (Feval_minibuffer
, 2);
2972 EXFUN (Fread_string
, 5);
2973 EXFUN (Fread_no_blanks_input
, 3);
2974 extern Lisp_Object get_minibuffer
P_ ((int));
2975 extern void temp_echo_area_glyphs
P_ ((Lisp_Object
));
2976 extern void init_minibuf_once
P_ ((void));
2977 extern void syms_of_minibuf
P_ ((void));
2978 extern void keys_of_minibuf
P_ ((void));
2980 /* Defined in callint.c */
2982 extern Lisp_Object Qminus
, Qplus
, Vcurrent_prefix_arg
;
2983 extern Lisp_Object Vcommand_history
;
2984 extern Lisp_Object Qcall_interactively
, Qmouse_leave_buffer_hook
;
2985 EXFUN (Fcall_interactively
, 3);
2986 EXFUN (Fprefix_numeric_value
, 1);
2987 extern void syms_of_callint
P_ ((void));
2989 /* defined in casefiddle.c */
2991 EXFUN (Fdowncase
, 1);
2993 EXFUN (Fcapitalize
, 1);
2994 EXFUN (Fupcase_region
, 2);
2995 EXFUN (Fupcase_initials
, 1);
2996 EXFUN (Fupcase_initials_region
, 2);
2997 extern void syms_of_casefiddle
P_ ((void));
2998 extern void keys_of_casefiddle
P_ ((void));
3000 /* defined in casetab.c */
3002 EXFUN (Fset_case_table
, 1);
3003 EXFUN (Fset_standard_case_table
, 1);
3004 extern void init_casetab_once
P_ ((void));
3005 extern void syms_of_casetab
P_ ((void));
3007 /* defined in keyboard.c */
3010 extern Lisp_Object echo_message_buffer
;
3011 extern struct kboard
*echo_kboard
;
3012 extern void cancel_echoing
P_ ((void));
3013 extern Lisp_Object Qdisabled
, QCfilter
;
3014 extern Lisp_Object Vtty_erase_char
, Vhelp_form
, Vtop_level
;
3015 extern Lisp_Object Vthrow_on_input
;
3016 extern int input_pending
;
3017 EXFUN (Fdiscard_input
, 0);
3018 EXFUN (Frecursive_edit
, 0);
3019 EXFUN (Ftop_level
, 0);
3020 EXFUN (Fcommand_execute
, 4);
3021 EXFUN (Finput_pending_p
, 0);
3022 extern Lisp_Object menu_bar_items
P_ ((Lisp_Object
));
3023 extern Lisp_Object tool_bar_items
P_ ((Lisp_Object
, int *));
3024 extern Lisp_Object Qvertical_scroll_bar
;
3025 extern void discard_mouse_events
P_ ((void));
3026 EXFUN (Fevent_convert_list
, 1);
3027 EXFUN (Fread_key_sequence
, 5);
3028 EXFUN (Fset_input_mode
, 4);
3029 extern int detect_input_pending
P_ ((void));
3030 extern int detect_input_pending_ignore_squeezables
P_ ((void));
3031 extern int detect_input_pending_run_timers
P_ ((int));
3032 extern void safe_run_hooks
P_ ((Lisp_Object
));
3033 extern void cmd_error_internal
P_ ((Lisp_Object
, char *));
3034 extern Lisp_Object command_loop_1
P_ ((void));
3035 extern Lisp_Object recursive_edit_1
P_ ((void));
3036 extern void record_auto_save
P_ ((void));
3037 extern void init_keyboard
P_ ((void));
3038 extern void syms_of_keyboard
P_ ((void));
3039 extern void keys_of_keyboard
P_ ((void));
3040 extern char *push_key_description
P_ ((unsigned int, char *, int));
3043 /* defined in indent.c */
3044 EXFUN (Fvertical_motion
, 2);
3045 EXFUN (Findent_to
, 2);
3046 EXFUN (Fcurrent_column
, 0);
3047 EXFUN (Fmove_to_column
, 2);
3048 extern double current_column
P_ ((void));
3049 extern void invalidate_current_column
P_ ((void));
3050 extern int indented_beyond_p
P_ ((int, int, double));
3051 extern void syms_of_indent
P_ ((void));
3053 /* defined in frame.c */
3054 #ifdef HAVE_WINDOW_SYSTEM
3055 extern Lisp_Object Vx_resource_name
;
3056 extern Lisp_Object Vx_resource_class
;
3057 #endif /* HAVE_WINDOW_SYSTEM */
3058 extern Lisp_Object Qvisible
;
3059 extern void store_frame_param
P_ ((struct frame
*, Lisp_Object
, Lisp_Object
));
3060 extern void store_in_alist
P_ ((Lisp_Object
*, Lisp_Object
, Lisp_Object
));
3061 extern Lisp_Object do_switch_frame
P_ ((Lisp_Object
, int, int));
3062 extern Lisp_Object get_frame_param
P_ ((struct frame
*, Lisp_Object
));
3063 extern Lisp_Object frame_buffer_predicate
P_ ((Lisp_Object
));
3065 EXFUN (Fselect_frame
, 1);
3066 EXFUN (Fselected_frame
, 0);
3067 EXFUN (Fwindow_frame
, 1);
3068 EXFUN (Fframe_root_window
, 1);
3069 EXFUN (Fframe_first_window
, 1);
3070 EXFUN (Fframe_selected_window
, 1);
3071 EXFUN (Fframe_list
, 0);
3072 EXFUN (Fnext_frame
, 2);
3073 EXFUN (Fdelete_frame
, 2);
3074 EXFUN (Fset_mouse_position
, 3);
3075 EXFUN (Fmake_frame_visible
, 1);
3076 EXFUN (Fmake_frame_invisible
, 2);
3077 EXFUN (Ficonify_frame
, 1);
3078 EXFUN (Fframe_visible_p
, 1);
3079 EXFUN (Fvisible_frame_list
, 0);
3080 EXFUN (Fframe_parameter
, 2);
3081 EXFUN (Fframe_parameters
, 1);
3082 EXFUN (Fmodify_frame_parameters
, 2);
3083 EXFUN (Fset_frame_height
, 3);
3084 EXFUN (Fset_frame_width
, 3);
3085 EXFUN (Fset_frame_size
, 3);
3086 EXFUN (Fset_frame_position
, 3);
3087 EXFUN (Fraise_frame
, 1);
3088 EXFUN (Fredirect_frame_focus
, 2);
3089 EXFUN (Fset_frame_selected_window
, 2);
3090 extern Lisp_Object frame_buffer_list
P_ ((Lisp_Object
));
3091 extern void frames_discard_buffer
P_ ((Lisp_Object
));
3092 extern void set_frame_buffer_list
P_ ((Lisp_Object
, Lisp_Object
));
3093 extern void frames_bury_buffer
P_ ((Lisp_Object
));
3094 extern void syms_of_frame
P_ ((void));
3096 /* defined in emacs.c */
3097 extern Lisp_Object decode_env_path
P_ ((char *, char *));
3098 extern Lisp_Object Vinvocation_name
, Vinvocation_directory
;
3099 extern Lisp_Object Vinstallation_directory
, empty_string
;
3100 EXFUN (Fkill_emacs
, 1);
3102 void fixup_locale
P_ ((void));
3103 void synchronize_system_messages_locale
P_ ((void));
3104 void synchronize_system_time_locale
P_ ((void));
3106 #define setlocale(category, locale)
3107 #define fixup_locale()
3108 #define synchronize_system_messages_locale()
3109 #define synchronize_system_time_locale()
3111 void shut_down_emacs
P_ ((int, int, Lisp_Object
));
3112 /* Nonzero means don't do interactive redisplay and don't change tty modes */
3113 extern int noninteractive
;
3114 /* Nonzero means don't do use window-system-specific display code */
3115 extern int inhibit_window_system
;
3116 /* Nonzero means that a filter or a sentinel is running. */
3117 extern int running_asynch_code
;
3119 /* defined in process.c */
3120 EXFUN (Fget_process
, 1);
3121 EXFUN (Fget_buffer_process
, 1);
3122 EXFUN (Fprocessp
, 1);
3123 EXFUN (Fprocess_status
, 1);
3124 EXFUN (Fkill_process
, 2);
3125 EXFUN (Fprocess_send_eof
, 1);
3126 EXFUN (Fwaiting_for_user_input_p
, 0);
3127 extern Lisp_Object Qprocessp
;
3128 extern void kill_buffer_processes
P_ ((Lisp_Object
));
3129 extern int wait_reading_process_output
P_ ((int, int, int, int,
3131 struct Lisp_Process
*,
3133 extern void add_keyboard_wait_descriptor
P_ ((int));
3134 extern void delete_keyboard_wait_descriptor
P_ ((int));
3135 extern void close_process_descs
P_ ((void));
3136 extern void init_process
P_ ((void));
3137 extern void syms_of_process
P_ ((void));
3138 extern void setup_process_coding_systems
P_ ((Lisp_Object
));
3140 /* defined in callproc.c */
3141 extern Lisp_Object Vexec_path
, Vexec_suffixes
,
3142 Vexec_directory
, Vdata_directory
;
3143 extern Lisp_Object Vdoc_directory
;
3144 EXFUN (Fcall_process
, MANY
);
3145 extern int child_setup
P_ ((int, int, int, char **, int, Lisp_Object
));
3146 extern void init_callproc_1
P_ ((void));
3147 extern void init_callproc
P_ ((void));
3148 extern void set_process_environment
P_ ((void));
3149 extern void syms_of_callproc
P_ ((void));
3151 /* defined in doc.c */
3152 extern Lisp_Object Vdoc_file_name
;
3153 EXFUN (Fsubstitute_command_keys
, 1);
3154 EXFUN (Fdocumentation
, 2);
3155 EXFUN (Fdocumentation_property
, 3);
3156 extern Lisp_Object read_doc_string
P_ ((Lisp_Object
));
3157 extern Lisp_Object get_doc_string
P_ ((Lisp_Object
, int, int));
3158 extern void syms_of_doc
P_ ((void));
3159 extern int read_bytecode_char
P_ ((int));
3161 /* defined in bytecode.c */
3162 extern Lisp_Object Qbytecode
;
3163 EXFUN (Fbyte_code
, 3);
3164 extern void syms_of_bytecode
P_ ((void));
3165 extern struct byte_stack
*byte_stack_list
;
3166 extern void mark_byte_stack
P_ ((void));
3167 extern void unmark_byte_stack
P_ ((void));
3169 /* defined in macros.c */
3170 extern Lisp_Object Qexecute_kbd_macro
;
3171 EXFUN (Fexecute_kbd_macro
, 3);
3172 EXFUN (Fcancel_kbd_macro_events
, 0);
3173 extern void init_macros
P_ ((void));
3174 extern void syms_of_macros
P_ ((void));
3176 /* defined in undo.c */
3177 extern Lisp_Object Qinhibit_read_only
;
3178 EXFUN (Fundo_boundary
, 0);
3179 extern void truncate_undo_list
P_ ((struct buffer
*));
3180 extern void record_marker_adjustment
P_ ((Lisp_Object
, int));
3181 extern void record_insert
P_ ((int, int));
3182 extern void record_delete
P_ ((int, Lisp_Object
));
3183 extern void record_first_change
P_ ((void));
3184 extern void record_change
P_ ((int, int));
3185 extern void record_property_change
P_ ((int, int, Lisp_Object
, Lisp_Object
,
3187 extern void syms_of_undo
P_ ((void));
3188 extern Lisp_Object Vundo_outer_limit
;
3190 /* defined in textprop.c */
3191 extern Lisp_Object Qfont
, Qmouse_face
;
3192 extern Lisp_Object Qinsert_in_front_hooks
, Qinsert_behind_hooks
;
3193 EXFUN (Fnext_single_property_change
, 4);
3194 EXFUN (Fnext_single_char_property_change
, 4);
3195 EXFUN (Fprevious_single_property_change
, 4);
3196 EXFUN (Fget_text_property
, 3);
3197 EXFUN (Fput_text_property
, 5);
3198 EXFUN (Fprevious_char_property_change
, 2);
3199 EXFUN (Fnext_char_property_change
, 2);
3200 extern void report_interval_modification
P_ ((Lisp_Object
, Lisp_Object
));
3201 extern Lisp_Object next_single_char_property_change
P_ ((Lisp_Object
,
3206 /* defined in xmenu.c */
3207 EXFUN (Fx_popup_menu
, 2);
3208 EXFUN (Fx_popup_dialog
, 3);
3209 extern void syms_of_xmenu
P_ ((void));
3211 /* defined in sysdep.c */
3212 #ifndef HAVE_GET_CURRENT_DIR_NAME
3213 extern char *get_current_dir_name
P_ ((void));
3215 extern void stuff_char
P_ ((char c
));
3216 extern void init_sigio
P_ ((int));
3217 extern void request_sigio
P_ ((void));
3218 extern void unrequest_sigio
P_ ((void));
3219 extern void reset_sys_modes
P_ ((void));
3220 extern void sys_subshell
P_ ((void));
3221 extern void sys_suspend
P_ ((void));
3222 extern void discard_tty_input
P_ ((void));
3223 extern void init_sys_modes
P_ ((void));
3224 extern void get_frame_size
P_ ((int *, int *));
3225 extern void wait_for_termination
P_ ((int));
3226 extern void flush_pending_output
P_ ((int));
3227 extern void child_setup_tty
P_ ((int));
3228 extern void setup_pty
P_ ((int));
3229 extern int set_window_size
P_ ((int, int, int));
3230 extern void create_process
P_ ((Lisp_Object
, char **, Lisp_Object
));
3231 extern int tabs_safe_p
P_ ((void));
3232 extern void init_baud_rate
P_ ((void));
3233 extern int emacs_open
P_ ((const char *, int, int));
3234 extern int emacs_close
P_ ((int));
3235 extern int emacs_read
P_ ((int, char *, unsigned int));
3236 extern int emacs_write
P_ ((int, const char *, unsigned int));
3238 /* defined in filelock.c */
3239 EXFUN (Funlock_buffer
, 0);
3240 EXFUN (Ffile_locked_p
, 1);
3241 extern void unlock_all_files
P_ ((void));
3242 extern void lock_file
P_ ((Lisp_Object
));
3243 extern void unlock_file
P_ ((Lisp_Object
));
3244 extern void unlock_buffer
P_ ((struct buffer
*));
3245 extern void syms_of_filelock
P_ ((void));
3246 extern void init_filelock
P_ ((void));
3248 /* Defined in sound.c */
3249 extern void syms_of_sound
P_ ((void));
3250 extern void init_sound
P_ ((void));
3252 /* Defined in category.c */
3253 extern void init_category_once
P_ ((void));
3254 extern Lisp_Object char_category_set
P_ ((int));
3255 extern void syms_of_category
P_ ((void));
3257 /* Defined in ccl.c */
3258 extern void syms_of_ccl
P_ ((void));
3260 /* Defined in dired.c */
3261 EXFUN (Ffile_attributes
, 2);
3262 extern void syms_of_dired
P_ ((void));
3264 /* Defined in term.c */
3265 extern void syms_of_term
P_ ((void));
3266 extern void fatal () NO_RETURN
;
3268 #ifdef HAVE_WINDOW_SYSTEM
3269 /* Defined in fontset.c */
3270 extern void syms_of_fontset
P_ ((void));
3271 EXFUN (Fset_fontset_font
, 5);
3272 EXFUN (Fnew_fontset
, 2);
3274 /* Defined in xfns.c, w32fns.c, or macfns.c */
3275 EXFUN (Fxw_display_color_p
, 1);
3276 EXFUN (Fx_file_dialog
, 5);
3279 /* Defined in xfaces.c */
3280 extern void syms_of_xfaces
P_ ((void));
3282 #ifndef HAVE_GETLOADAVG
3283 /* Defined in getloadavg.c */
3284 extern int getloadavg
P_ ((double *, int));
3287 #ifdef HAVE_X_WINDOWS
3288 /* Defined in xfns.c */
3289 extern void syms_of_xfns
P_ ((void));
3291 /* Defined in xsmfns.c */
3292 extern void syms_of_xsmfns
P_ ((void));
3294 /* Defined in xselect.c */
3295 extern void syms_of_xselect
P_ ((void));
3297 /* Defined in xterm.c */
3298 extern void syms_of_xterm
P_ ((void));
3299 #endif /* HAVE_X_WINDOWS */
3302 /* Defined in msdos.c */
3303 EXFUN (Fmsdos_downcase_filename
, 1);
3307 /* Defined in macfns.c */
3308 extern void syms_of_macfns
P_ ((void));
3310 /* Defined in macselect.c */
3311 extern void syms_of_macselect
P_ ((void));
3313 /* Defined in macterm.c */
3314 extern void syms_of_macterm
P_ ((void));
3316 /* Defined in macmenu.c */
3317 extern void syms_of_macmenu
P_ ((void));
3319 /* Defined in mac.c */
3320 extern void syms_of_mac
P_ ((void));
3322 extern void init_mac_osx_environment
P_ ((void));
3323 #endif /* MAC_OSX */
3326 /* Nonzero means Emacs has already been initialized.
3327 Used during startup to detect startup of dumped Emacs. */
3328 extern int initialized
;
3330 extern int immediate_quit
; /* Nonzero means ^G can quit instantly */
3332 extern POINTER_TYPE
*xmalloc
P_ ((size_t));
3333 extern POINTER_TYPE
*xrealloc
P_ ((POINTER_TYPE
*, size_t));
3334 extern void xfree
P_ ((POINTER_TYPE
*));
3336 extern char *xstrdup
P_ ((const char *));
3338 extern char *egetenv
P_ ((char *));
3340 /* Set up the name of the machine we're running on. */
3341 extern void init_system_name
P_ ((void));
3343 /* Some systems (e.g., NT) use a different path separator than Unix,
3344 in addition to a device separator. Default the path separator
3345 to '/', and don't test for a device separator in IS_ANY_SEP. */
3348 extern Lisp_Object Vdirectory_sep_char
;
3351 #ifndef DIRECTORY_SEP
3352 #define DIRECTORY_SEP '/'
3354 #ifndef IS_DIRECTORY_SEP
3355 #define IS_DIRECTORY_SEP(_c_) ((_c_) == DIRECTORY_SEP)
3357 #ifndef IS_DEVICE_SEP
3359 #define IS_DEVICE_SEP(_c_) 0
3361 #define IS_DEVICE_SEP(_c_) ((_c_) == DEVICE_SEP)
3365 #define IS_ANY_SEP(_c_) (IS_DIRECTORY_SEP (_c_))
3368 #ifdef SWITCH_ENUM_BUG
3369 #define SWITCH_ENUM_CAST(x) ((int)(x))
3371 #define SWITCH_ENUM_CAST(x) (x)
3374 /* Loop over Lisp list LIST. Signal an error if LIST is not a proper
3375 list, or if it contains circles.
3377 HARE and TORTOISE should be the names of Lisp_Object variables, and
3378 N should be the name of an EMACS_INT variable declared in the
3379 function where the macro is used. Each nested loop should use
3382 In the loop body, HARE is set to each cons of LIST, and N is the
3383 length of the list processed so far. */
3385 #define LIST_END_P(list, obj) \
3390 : (wrong_type_argument (Qlistp, (list))), 1))
3392 #define FOREACH(hare, list, tortoise, n) \
3393 for (tortoise = hare = (list), n = 0; \
3394 !LIST_END_P (list, hare); \
3395 (hare = XCDR (hare), ++n, \
3397 ? (tortoise = XCDR (tortoise), \
3398 (EQ (hare, tortoise) \
3399 && (circular_list_error ((list)), 1))) \
3402 /* The ubiquitous min and max macros. */
3408 #define min(a, b) ((a) < (b) ? (a) : (b))
3409 #define max(a, b) ((a) > (b) ? (a) : (b))
3411 /* Return a fixnum or float, depending on whether VAL fits in a Lisp
3414 #define make_fixnum_or_float(val) \
3415 (FIXNUM_OVERFLOW_P (val) \
3416 ? make_float (val) \
3417 : make_number ((EMACS_INT)(val)))
3420 /* Checks the `cycle check' variable CHECK to see if it indicates that
3421 EL is part of a cycle; CHECK must be either Qnil or a value returned
3422 by an earlier use of CYCLE_CHECK. SUSPICIOUS is the number of
3423 elements after which a cycle might be suspected; after that many
3424 elements, this macro begins consing in order to keep more precise
3427 Returns nil if a cycle was detected, otherwise a new value for CHECK
3430 CHECK is evaluated multiple times, EL and SUSPICIOUS 0 or 1 times, so
3431 the caller should make sure that's ok. */
3433 #define CYCLE_CHECK(check, el, suspicious) \
3436 : (INTEGERP (check) \
3437 ? (XFASTINT (check) < (suspicious) \
3438 ? make_number (XFASTINT (check) + 1) \
3439 : Fcons (el, Qnil)) \
3440 : (!NILP (Fmemq ((el), (check))) \
3442 : Fcons ((el), (check)))))
3445 /* SAFE_ALLOCA normally allocates memory on the stack, but if size is
3446 larger than MAX_ALLOCA, use xmalloc to avoid overflowing the stack. */
3448 #define MAX_ALLOCA 16*1024
3450 extern Lisp_Object
safe_alloca_unwind (Lisp_Object
);
3452 #define USE_SAFE_ALLOCA \
3453 int sa_count = SPECPDL_INDEX (), sa_must_free = 0
3455 /* SAFE_ALLOCA allocates a simple buffer. */
3457 #define SAFE_ALLOCA(buf, type, size) \
3459 if ((size) < MAX_ALLOCA) \
3460 buf = (type) alloca (size); \
3463 buf = (type) xmalloc (size); \
3465 record_unwind_protect (safe_alloca_unwind, \
3466 make_save_value (buf, 0)); \
3470 /* SAFE_FREE frees xmalloced memory and enables GC as needed. */
3472 #define SAFE_FREE() \
3474 if (sa_must_free) { \
3476 unbind_to (sa_count, Qnil); \
3481 /* SAFE_ALLOCA_LISP allocates an array of Lisp_Objects. */
3483 #define SAFE_ALLOCA_LISP(buf, nelt) \
3485 int size_ = (nelt) * sizeof (Lisp_Object); \
3486 if (size_ < MAX_ALLOCA) \
3487 buf = (Lisp_Object *) alloca (size_); \
3491 buf = (Lisp_Object *) xmalloc (size_); \
3492 arg_ = make_save_value (buf, nelt); \
3493 XSAVE_VALUE (arg_)->dogc = 1; \
3495 record_unwind_protect (safe_alloca_unwind, arg_); \
3500 #endif /* EMACS_LISP_H */
3502 /* arch-tag: 9b2ed020-70eb-47ac-94ee-e1c2a5107d5e
3503 (do not change this comment) */