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 Free Software Foundation, Inc.
5 This file is part of GNU Emacs.
7 GNU Emacs is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2, or (at your option)
12 GNU Emacs is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with GNU Emacs; see the file COPYING. If not, write to
19 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
20 Boston, MA 02110-1301, USA. */
25 /* Declare the prototype for a general external function. */
26 #if defined (PROTOTYPES) || defined (WINDOWSNT)
27 #define P_(proto) proto
33 /* Define this temporarily to hunt a bug. If defined, the size of
34 strings is redundantly recorded in sdata structures so that it can
35 be compared to the sizes recorded in Lisp strings. */
37 #define GC_CHECK_STRING_BYTES 1
39 /* Define this to check for short string overrun. */
41 #define GC_CHECK_STRING_OVERRUN 1
43 /* Define this to check the string free list. */
45 #define GC_CHECK_STRING_FREE_LIST 1
47 /* Define this to check for malloc buffer overrun. */
49 #define XMALLOC_OVERRUN_CHECK 1
51 /* Define this to check for errors in cons list. */
52 /* #define GC_CHECK_CONS_LIST 1 */
56 #ifdef GC_CHECK_CONS_LIST
57 #define CHECK_CONS_LIST() check_cons_list()
59 #define CHECK_CONS_LIST() 0
62 /* These are default choices for the types to use. */
65 #define EMACS_INT long
66 #define BITS_PER_EMACS_INT BITS_PER_LONG
69 #define EMACS_UINT unsigned long
74 #define BITS_PER_EMACS_INT BITS_PER_INT
77 #define EMACS_UINT unsigned int
81 /* Extra internal type checking? */
82 extern int suppress_checking
;
83 extern void die
P_((const char *, const char *, int));
85 #ifdef ENABLE_CHECKING
87 #define CHECK(check,msg) (((check) || suppress_checking \
89 : die ((msg), __FILE__, __LINE__)), \
93 /* Produce same side effects and result, but don't complain. */
94 #define CHECK(check,msg) ((check),0)
98 /* Used for making sure that Emacs is compilable in all
101 #ifdef USE_LISP_UNION_TYPE
105 /* Define an Emacs version of "assert", since some system ones are
107 #ifndef ENABLE_CHECKING
108 #define eassert(X) (void) 0
109 #else /* ENABLE_CHECKING */
110 #if defined (__GNUC__) && __GNUC__ >= 2 && defined (__STDC__)
111 #define eassert(cond) CHECK(cond,"assertion failed: " #cond)
113 #define eassert(cond) CHECK(cond,"assertion failed")
115 #endif /* ENABLE_CHECKING */
117 /* Define the fundamental Lisp data structures. */
119 /* This is the set of Lisp data types. */
123 /* Integer. XINT (obj) is the integer value. */
126 /* Symbol. XSYMBOL (object) points to a struct Lisp_Symbol. */
129 /* Miscellaneous. XMISC (object) points to a union Lisp_Misc,
130 whose first member indicates the subtype. */
133 /* String. XSTRING (object) points to a struct Lisp_String.
134 The length of the string, and its contents, are stored therein. */
137 /* Vector of Lisp objects, or something resembling it.
138 XVECTOR (object) points to a struct Lisp_Vector, which contains
139 the size and contents. The size field also contains the type
140 information, if it's not a real vector object. */
143 /* Cons. XCONS (object) points to a struct Lisp_Cons. */
148 /* This is not a type code. It is for range checking. */
152 /* This is the set of data types that share a common structure.
153 The first member of the structure is a type code from this set.
154 The enum values are arbitrary, but we'll use large numbers to make it
155 more likely that we'll spot the error if a random word in memory is
156 mistakenly interpreted as a Lisp_Misc. */
159 Lisp_Misc_Free
= 0x5eab,
164 Lisp_Misc_Buffer_Objfwd
,
165 Lisp_Misc_Buffer_Local_Value
,
166 Lisp_Misc_Some_Buffer_Local_Value
,
168 Lisp_Misc_Kboard_Objfwd
,
169 Lisp_Misc_Save_Value
,
170 /* Currently floats are not a misc type,
171 but let's define this in case we want to change that. */
173 /* This is not a type code. It is for range checking. */
181 /* These values are overridden by the m- file on some machines. */
183 #define VALBITS (BITS_PER_EMACS_INT - GCTYPEBITS)
186 #ifndef NO_UNION_TYPE
188 #ifndef WORDS_BIG_ENDIAN
190 /* Definition of Lisp_Object for little-endian machines. */
195 /* Used for comparing two Lisp_Objects;
196 also, positive integers can be accessed fast this way. */
201 EMACS_INT val
: VALBITS
;
202 enum Lisp_Type type
: GCTYPEBITS
;
206 EMACS_UINT val
: VALBITS
;
207 enum Lisp_Type type
: GCTYPEBITS
;
212 #else /* If WORDS_BIG_ENDIAN */
217 /* Used for comparing two Lisp_Objects;
218 also, positive integers can be accessed fast this way. */
223 enum Lisp_Type type
: GCTYPEBITS
;
224 EMACS_INT val
: VALBITS
;
228 enum Lisp_Type type
: GCTYPEBITS
;
229 EMACS_UINT val
: VALBITS
;
234 #endif /* WORDS_BIG_ENDIAN */
237 static __inline__ Lisp_Object
238 LISP_MAKE_RVALUE (Lisp_Object o
)
243 /* This isn't quite right - it keeps the argument as an lvalue.
244 Making it const via casting would help avoid code actually
245 modifying the location in question, but the casting could cover
246 other type-related bugs. */
247 #define LISP_MAKE_RVALUE(o) (o)
250 #endif /* NO_UNION_TYPE */
253 /* If union type is not wanted, define Lisp_Object as just a number. */
256 typedef EMACS_INT Lisp_Object
;
257 #define LISP_MAKE_RVALUE(o) (0+(o))
258 #endif /* NO_UNION_TYPE */
260 /* Two flags that are set during GC. On some machines, these flags
261 are defined differently by the m- file. */
263 /* In the size word of a vector, this bit means the vector has been marked. */
265 #ifndef ARRAY_MARK_FLAG
266 #define ARRAY_MARK_FLAG ((EMACS_INT) ((EMACS_UINT) 1 << (VALBITS + GCTYPEBITS - 1)))
267 #endif /* no ARRAY_MARK_FLAG */
269 /* In the size word of a struct Lisp_Vector, this bit means it's really
270 some other vector-like object. */
271 #ifndef PSEUDOVECTOR_FLAG
272 #define PSEUDOVECTOR_FLAG ((ARRAY_MARK_FLAG >> 1) & ~ARRAY_MARK_FLAG)
275 /* In a pseudovector, the size field actually contains a word with one
276 PSEUDOVECTOR_FLAG bit set, and exactly one of the following bits to
277 indicate the actual type. */
280 PVEC_NORMAL_VECTOR
= 0,
281 PVEC_PROCESS
= 0x200,
283 PVEC_COMPILED
= 0x800,
284 PVEC_WINDOW
= 0x1000,
285 PVEC_WINDOW_CONFIGURATION
= 0x2000,
287 PVEC_CHAR_TABLE
= 0x8000,
288 PVEC_BOOL_VECTOR
= 0x10000,
289 PVEC_BUFFER
= 0x20000,
290 PVEC_HASH_TABLE
= 0x40000,
291 PVEC_TYPE_MASK
= 0x7fe00
293 #if 0 /* This is used to make the value of PSEUDOVECTOR_FLAG available to
294 GDB. It doesn't work on OS Alpha. Moved to a variable in
296 PVEC_FLAG
= PSEUDOVECTOR_FLAG
300 /* For convenience, we also store the number of elements in these bits.
301 Note that this size is not necessarily the memory-footprint size, but
302 only the number of Lisp_Object fields (that need to be traced by the GC).
303 The distinction is used e.g. by Lisp_Process which places extra
304 non-Lisp_Object fields at the end of the structure. */
305 #define PSEUDOVECTOR_SIZE_MASK 0x1ff
307 /* Number of bits to put in each character in the internal representation
308 of bool vectors. This should not vary across implementations. */
309 #define BOOL_VECTOR_BITS_PER_CHAR 8
311 /***** Select the tagging scheme. *****/
312 /* There are basically two options that control the tagging scheme:
313 - NO_UNION_TYPE says that Lisp_Object should be an integer instead
315 - USE_LSB_TAG means that we can assume the least 3 bits of pointers are
316 always 0, and we can thus use them to hold tag bits, without
317 restricting our addressing space.
319 If USE_LSB_TAG is not set, then we use the top 3 bits for tagging, thus
320 restricting our possible address range. Currently USE_LSB_TAG is not
321 allowed together with a union. This is not due to any fundamental
322 technical (or political ;-) problem: nobody wrote the code to do it yet.
324 USE_LSB_TAG not only requires the least 3 bits of pointers returned by
325 malloc to be 0 but also needs to be able to impose a mult-of-8 alignment
326 on the few static Lisp_Objects used: all the defsubr as well
327 as the two special buffers buffer_defaults and buffer_local_symbols. */
329 /* First, try and define DECL_ALIGN(type,var) which declares a static
330 variable VAR of type TYPE with the added requirement that it be
332 #ifndef NO_DECL_ALIGN
334 /* What compiler directive should we use for non-gcc compilers? -stef */
335 # if defined (__GNUC__)
336 # define DECL_ALIGN(type, var) \
337 type __attribute__ ((__aligned__ (1 << GCTYPEBITS))) var
342 /* Let's USE_LSB_TAG on systems where we know malloc returns mult-of-8. */
343 #if defined GNU_MALLOC || defined DOUG_LEA_MALLOC || defined __GLIBC__ || defined MAC_OSX
344 /* We also need to be able to specify mult-of-8 alignment on static vars. */
345 # if defined DECL_ALIGN
346 /* We currently do not support USE_LSB_TAG with a union Lisp_Object. */
347 # if defined NO_UNION_TYPE
353 /* If we cannot use 8-byte alignment, make DECL_ALIGN a no-op. */
356 # error "USE_LSB_TAG used without defining DECL_ALIGN"
358 # define DECL_ALIGN(type, var) type var
362 /* These macros extract various sorts of values from a Lisp_Object.
363 For example, if tem is a Lisp_Object whose type is Lisp_Cons,
364 XCONS (tem) is the struct Lisp_Cons * pointing to the memory for that cons. */
370 #define TYPEMASK ((((EMACS_INT) 1) << GCTYPEBITS) - 1)
371 #define XTYPE(a) ((enum Lisp_Type) (((EMACS_UINT) (a)) & TYPEMASK))
372 #define XINT(a) (((EMACS_INT) (a)) >> GCTYPEBITS)
373 #define XUINT(a) (((EMACS_UINT) (a)) >> GCTYPEBITS)
374 #define XSET(var, type, ptr) \
375 (eassert (XTYPE (ptr) == 0), /* Check alignment. */ \
376 (var) = ((EMACS_INT) (type)) | ((EMACS_INT) (ptr)))
377 #define make_number(N) (((EMACS_INT) (N)) << GCTYPEBITS)
379 /* XFASTINT and XSETFASTINT are for use when the integer is known to be
380 positive, in which case the implementation can sometimes be faster
381 depending on the tagging scheme. With USE_LSB_TAG, there's no benefit. */
382 #define XFASTINT(a) XINT (a)
383 #define XSETFASTINT(a, b) ((a) = make_number (b))
385 #define XPNTR(a) ((EMACS_INT) ((a) & ~TYPEMASK))
387 #else /* not USE_LSB_TAG */
389 #define VALMASK ((((EMACS_INT) 1) << VALBITS) - 1)
391 /* One need to override this if there must be high bits set in data space
392 (doing the result of the below & ((1 << (GCTYPE + 1)) - 1) would work
393 on all machines, but would penalize machines which don't need it)
395 #define XTYPE(a) ((enum Lisp_Type) (((EMACS_UINT) (a)) >> VALBITS))
397 /* For integers known to be positive, XFASTINT provides fast retrieval
398 and XSETFASTINT provides fast storage. This takes advantage of the
399 fact that Lisp_Int is 0. */
400 #define XFASTINT(a) ((a) + 0)
401 #define XSETFASTINT(a, b) ((a) = (b))
403 /* Extract the value of a Lisp_Object as a signed integer. */
405 #ifndef XINT /* Some machines need to do this differently. */
406 #define XINT(a) ((((EMACS_INT) (a)) << (BITS_PER_EMACS_INT - VALBITS)) \
407 >> (BITS_PER_EMACS_INT - VALBITS))
410 /* Extract the value as an unsigned integer. This is a basis
411 for extracting it as a pointer to a structure in storage. */
414 #define XUINT(a) ((EMACS_UINT) ((a) & VALMASK))
418 #define XSET(var, type, ptr) \
419 ((var) = ((EMACS_INT)(type) << VALBITS) + ((EMACS_INT) (ptr) & VALMASK))
422 /* Convert a C integer into a Lisp_Object integer. */
424 #define make_number(N) \
425 ((((EMACS_INT) (N)) & VALMASK) | ((EMACS_INT) Lisp_Int) << VALBITS)
427 #endif /* not USE_LSB_TAG */
429 #define EQ(x, y) ((x) == (y))
431 #else /* not NO_UNION_TYPE */
433 #define XTYPE(a) ((enum Lisp_Type) (a).u.type)
435 /* For integers known to be positive, XFASTINT provides fast retrieval
436 and XSETFASTINT provides fast storage. This takes advantage of the
437 fact that Lisp_Int is 0. */
438 #define XFASTINT(a) ((a).i + 0)
439 #define XSETFASTINT(a, b) ((a).i = (b))
441 #ifdef EXPLICIT_SIGN_EXTEND
442 /* Make sure we sign-extend; compilers have been known to fail to do so. */
443 #define XINT(a) (((a).s.val << (BITS_PER_EMACS_INT - VALBITS)) \
444 >> (BITS_PER_EMACS_INT - VALBITS))
446 #define XINT(a) ((a).s.val)
447 #endif /* EXPLICIT_SIGN_EXTEND */
449 #define XUINT(a) ((a).u.val)
451 #define XSET(var, vartype, ptr) \
452 (((var).s.val = ((EMACS_INT) (ptr))), ((var).s.type = ((char) (vartype))))
454 #if __GNUC__ >= 2 && defined (__OPTIMIZE__)
455 #define make_number(N) \
456 (__extension__ ({ Lisp_Object _l; _l.s.val = (N); _l.s.type = Lisp_Int; _l; }))
458 extern Lisp_Object make_number
P_ ((EMACS_INT
));
461 #define EQ(x, y) ((x).i == (y).i)
463 #endif /* NO_UNION_TYPE */
465 /* During garbage collection, XGCTYPE must be used for extracting types
466 so that the mark bit is ignored. XMARKBIT accesses the markbit.
467 Markbits are used only in particular slots of particular structure types.
468 Other markbits are always zero.
469 Outside of garbage collection, all mark bits are always zero. */
472 /* The distinction does not exist now that the MARKBIT has been eliminated. */
473 #define XGCTYPE(a) XTYPE (a)
478 /* In this representation, data is found in two widely separated segments. */
479 extern size_t pure_size
;
481 (XUINT (a) | (XUINT (a) > pure_size ? DATA_SEG_BITS : PURE_SEG_BITS))
482 #else /* not HAVE_SHM */
484 /* This case is used for the rt-pc.
485 In the diffs I was given, it checked for ptr = 0
486 and did not adjust it in that case.
487 But I don't think that zero should ever be found
488 in a Lisp object whose data type says it points to something. */
489 #define XPNTR(a) (XUINT (a) | DATA_SEG_BITS)
491 /* Some versions of gcc seem to consider the bitfield width when
492 issuing the "cast to pointer from integer of different size"
493 warning, so the cast is here to widen the value back to its natural
495 #define XPNTR(a) ((EMACS_INT) XUINT (a))
497 #endif /* not HAVE_SHM */
498 #endif /* no XPNTR */
500 /* Largest and smallest representable fixnum values. These are the C
503 #define MOST_NEGATIVE_FIXNUM - ((EMACS_INT) 1 << (VALBITS - 1))
504 #define MOST_POSITIVE_FIXNUM (((EMACS_INT) 1 << (VALBITS - 1)) - 1)
505 /* Mask indicating the significant bits of a Lisp_Int.
506 I.e. (x & INTMASK) == XUINT (make_number (x)). */
507 #define INTMASK ((((EMACS_INT) 1) << VALBITS) - 1)
509 /* Value is non-zero if C integer I doesn't fit into a Lisp fixnum. */
511 #define FIXNUM_OVERFLOW_P(i) \
512 ((EMACS_INT)(i) > MOST_POSITIVE_FIXNUM \
513 || (EMACS_INT) (i) < MOST_NEGATIVE_FIXNUM)
515 /* Extract a value or address from a Lisp_Object. */
517 #define XCONS(a) (eassert (GC_CONSP(a)),(struct Lisp_Cons *) XPNTR(a))
518 #define XVECTOR(a) (eassert (GC_VECTORLIKEP(a)),(struct Lisp_Vector *) XPNTR(a))
519 #define XSTRING(a) (eassert (GC_STRINGP(a)),(struct Lisp_String *) XPNTR(a))
520 #define XSYMBOL(a) (eassert (GC_SYMBOLP(a)),(struct Lisp_Symbol *) XPNTR(a))
521 #define XFLOAT(a) (eassert (GC_FLOATP(a)),(struct Lisp_Float *) XPNTR(a))
525 #define XMISC(a) ((union Lisp_Misc *) XPNTR(a))
526 #define XMISCTYPE(a) (XMARKER (a)->type)
527 #define XMARKER(a) (&(XMISC(a)->u_marker))
528 #define XINTFWD(a) (&(XMISC(a)->u_intfwd))
529 #define XBOOLFWD(a) (&(XMISC(a)->u_boolfwd))
530 #define XOBJFWD(a) (&(XMISC(a)->u_objfwd))
531 #define XBUFFER_OBJFWD(a) (&(XMISC(a)->u_buffer_objfwd))
532 #define XBUFFER_LOCAL_VALUE(a) (&(XMISC(a)->u_buffer_local_value))
533 #define XOVERLAY(a) (&(XMISC(a)->u_overlay))
534 #define XKBOARD_OBJFWD(a) (&(XMISC(a)->u_kboard_objfwd))
535 #define XSAVE_VALUE(a) (&(XMISC(a)->u_save_value))
537 /* Pseudovector types. */
539 #define XPROCESS(a) (eassert (GC_PROCESSP(a)),(struct Lisp_Process *) XPNTR(a))
540 #define XWINDOW(a) (eassert (GC_WINDOWP(a)),(struct window *) XPNTR(a))
541 #define XSUBR(a) (eassert (GC_SUBRP(a)),(struct Lisp_Subr *) XPNTR(a))
542 #define XBUFFER(a) (eassert (GC_BUFFERP(a)),(struct buffer *) XPNTR(a))
543 #define XCHAR_TABLE(a) ((struct Lisp_Char_Table *) XPNTR(a))
544 #define XBOOL_VECTOR(a) ((struct Lisp_Bool_Vector *) XPNTR(a))
546 /* Construct a Lisp_Object from a value or address. */
548 #define XSETINT(a, b) (a) = make_number (b)
549 #define XSETCONS(a, b) XSET (a, Lisp_Cons, b)
550 #define XSETVECTOR(a, b) XSET (a, Lisp_Vectorlike, b)
551 #define XSETSTRING(a, b) XSET (a, Lisp_String, b)
552 #define XSETSYMBOL(a, b) XSET (a, Lisp_Symbol, b)
553 #define XSETFLOAT(a, b) XSET (a, Lisp_Float, b)
557 #define XSETMISC(a, b) XSET (a, Lisp_Misc, b)
558 #define XSETMARKER(a, b) (XSETMISC (a, b), XMISCTYPE (a) = Lisp_Misc_Marker)
560 /* Pseudovector types. */
562 #define XSETPSEUDOVECTOR(a, b, code) \
563 (XSETVECTOR (a, b), XVECTOR (a)->size |= PSEUDOVECTOR_FLAG | (code))
564 #define XSETWINDOW_CONFIGURATION(a, b) \
565 (XSETPSEUDOVECTOR (a, b, PVEC_WINDOW_CONFIGURATION))
566 #define XSETPROCESS(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_PROCESS))
567 #define XSETWINDOW(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_WINDOW))
568 #define XSETSUBR(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_SUBR))
569 #define XSETCOMPILED(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_COMPILED))
570 #define XSETBUFFER(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_BUFFER))
571 #define XSETCHAR_TABLE(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_CHAR_TABLE))
572 #define XSETBOOL_VECTOR(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_BOOL_VECTOR))
574 /* Convenience macros for dealing with Lisp arrays. */
576 #define AREF(ARRAY, IDX) XVECTOR ((ARRAY))->contents[IDX]
577 #define ASET(ARRAY, IDX, VAL) (AREF ((ARRAY), (IDX)) = (VAL))
578 #define ASIZE(ARRAY) XVECTOR ((ARRAY))->size
580 /* Convenience macros for dealing with Lisp strings. */
582 #define SREF(string, index) (XSTRING (string)->data[index] + 0)
583 #define SSET(string, index, new) (XSTRING (string)->data[index] = (new))
584 #define SDATA(string) (XSTRING (string)->data + 0)
585 #define SCHARS(string) (XSTRING (string)->size + 0)
586 #define SBYTES(string) (STRING_BYTES (XSTRING (string)) + 0)
588 #define STRING_SET_CHARS(string, newsize) \
589 (XSTRING (string)->size = (newsize))
591 #define STRING_COPYIN(string, index, new, count) \
592 bcopy (new, XSTRING (string)->data + index, count)
595 /* See the macros in intervals.h. */
597 typedef struct interval
*INTERVAL
;
599 /* Complain if object is not string or buffer type */
600 #define CHECK_STRING_OR_BUFFER(x) \
601 { if (!STRINGP ((x)) && !BUFFERP ((x))) \
602 x = wrong_type_argument (Qbuffer_or_string_p, (x)); }
604 /* In a cons, the markbit of the car is the gc mark bit */
608 /* Please do not use the names of these elements in code other
609 than the core lisp implementation. Use XCAR and XCDR below. */
610 #ifdef HIDE_LISP_IMPLEMENTATION
615 struct Lisp_Cons
*chain
;
622 struct Lisp_Cons
*chain
;
627 /* Take the car or cdr of something known to be a cons cell. */
628 /* The _AS_LVALUE macros shouldn't be used outside of the minimal set
629 of code that has to know what a cons cell looks like. Other code not
630 part of the basic lisp implementation should assume that the car and cdr
631 fields are not accessible as lvalues. (What if we want to switch to
632 a copying collector someday? Cached cons cell field addresses may be
633 invalidated at arbitrary points.) */
634 #ifdef HIDE_LISP_IMPLEMENTATION
635 #define XCAR_AS_LVALUE(c) (XCONS ((c))->car_)
636 #define XCDR_AS_LVALUE(c) (XCONS ((c))->u.cdr_)
638 #define XCAR_AS_LVALUE(c) (XCONS ((c))->car)
639 #define XCDR_AS_LVALUE(c) (XCONS ((c))->u.cdr)
642 /* Use these from normal code. */
643 #define XCAR(c) LISP_MAKE_RVALUE(XCAR_AS_LVALUE(c))
644 #define XCDR(c) LISP_MAKE_RVALUE(XCDR_AS_LVALUE(c))
646 /* Use these to set the fields of a cons cell.
648 Note that both arguments may refer to the same object, so 'n'
649 should not be read after 'c' is first modified. Also, neither
650 argument should be evaluated more than once; side effects are
651 especially common in the second argument. */
652 #define XSETCAR(c,n) (XCAR_AS_LVALUE(c) = (n))
653 #define XSETCDR(c,n) (XCDR_AS_LVALUE(c) = (n))
655 /* For performance: Fast storage of positive integers into the
656 fields of a cons cell. See above caveats. */
657 #define XSETCARFASTINT(c,n) XSETFASTINT(XCAR_AS_LVALUE(c),(n))
658 #define XSETCDRFASTINT(c,n) XSETFASTINT(XCDR_AS_LVALUE(c),(n))
660 /* Take the car or cdr of something whose type is not known. */
662 (CONSP ((c)) ? XCAR ((c)) \
663 : NILP ((c)) ? Qnil \
664 : wrong_type_argument (Qlistp, (c)))
667 (CONSP ((c)) ? XCDR ((c)) \
668 : NILP ((c)) ? Qnil \
669 : wrong_type_argument (Qlistp, (c)))
671 /* Nonzero if STR is a multibyte string. */
672 #define STRING_MULTIBYTE(STR) \
673 (XSTRING (STR)->size_byte >= 0)
675 /* Return the length in bytes of STR. */
677 #ifdef GC_CHECK_STRING_BYTES
680 extern int string_bytes
P_ ((struct Lisp_String
*));
681 #define STRING_BYTES(S) string_bytes ((S))
683 #else /* not GC_CHECK_STRING_BYTES */
685 #define STRING_BYTES(STR) \
686 ((STR)->size_byte < 0 ? (STR)->size : (STR)->size_byte)
688 #endif /* not GC_CHECK_STRING_BYTES */
690 /* Mark STR as a unibyte string. */
691 #define STRING_SET_UNIBYTE(STR) (XSTRING (STR)->size_byte = -1)
693 /* Get text properties. */
694 #define STRING_INTERVALS(STR) (XSTRING (STR)->intervals + 0)
696 /* Set text properties. */
697 #define STRING_SET_INTERVALS(STR, INT) (XSTRING (STR)->intervals = (INT))
699 /* In a string or vector, the sign bit of the `size' is the gc mark bit */
705 INTERVAL intervals
; /* text properties in this string */
710 #define OFFSETOF(type,field) offsetof(type,field)
712 #define OFFSETOF(type,field) \
713 ((int)((char*)&((type*)0)->field - (char*)0))
719 struct Lisp_Vector
*next
;
720 Lisp_Object contents
[1];
723 /* If a struct is made to look like a vector, this macro returns the length
724 of the shortest vector that would hold that struct. */
725 #define VECSIZE(type) ((sizeof (type) - (sizeof (struct Lisp_Vector) \
726 - sizeof (Lisp_Object)) \
727 + sizeof(Lisp_Object) - 1) /* round up */ \
728 / sizeof (Lisp_Object))
730 /* Like VECSIZE, but used when the pseudo-vector has non-Lisp_Object fields
731 at the end and we need to compute the number of Lisp_Object fields (the
732 ones that the GC needs to trace). */
733 #define PSEUDOVECSIZE(type, nonlispfield) \
734 ((OFFSETOF(type, nonlispfield) - OFFSETOF(struct Lisp_Vector, contents[0])) \
735 / sizeof (Lisp_Object))
737 /* A char table is a kind of vectorlike, with contents are like a
738 vector but with a few other slots. For some purposes, it makes
739 sense to handle a chartable with type struct Lisp_Vector. An
740 element of a char table can be any Lisp objects, but if it is a sub
741 char-table, we treat it a table that contains information of a
742 group of characters of the same charsets or a specific character of
743 a charset. A sub char-table has the same structure as a char table
744 except for that the former omits several slots at the tail. A sub
745 char table appears only in an element of a char table, and there's
746 no way to access it directly from Emacs Lisp program. */
748 /* This is the number of slots that apply to characters or character
749 sets. The first 128 are for ASCII, the next 128 are for 8-bit
750 European characters, and the last 128 are for multibyte characters.
751 The first 256 are indexed by the code itself, but the last 128 are
752 indexed by (charset-id + 128). */
753 #define CHAR_TABLE_ORDINARY_SLOTS 384
755 /* These are the slot of the default values for single byte
756 characters. As 0x9A is never be a charset-id, it is safe to use
757 that slot for ASCII. 0x9E and 0x80 are charset-ids of
758 eight-bit-control and eight-bit-graphic respectively. */
759 #define CHAR_TABLE_DEFAULT_SLOT_ASCII (0x9A + 128)
760 #define CHAR_TABLE_DEFAULT_SLOT_8_BIT_CONTROL (0x9E + 128)
761 #define CHAR_TABLE_DEFAULT_SLOT_8_BIT_GRAPHIC (0x80 + 128)
763 /* This is the number of slots that apply to characters of ASCII and
764 8-bit Europeans only. */
765 #define CHAR_TABLE_SINGLE_BYTE_SLOTS 256
767 /* This is the number of slots that every char table must have. This
768 counts the ordinary slots and the top, defalt, parent, and purpose
770 #define CHAR_TABLE_STANDARD_SLOTS (CHAR_TABLE_ORDINARY_SLOTS + 4)
772 /* This is the number of slots that apply to position-code-1 and
773 position-code-2 of a multibyte character at the 2nd and 3rd level
774 sub char tables respectively. */
775 #define SUB_CHAR_TABLE_ORDINARY_SLOTS 128
777 /* This is the number of slots that every sub char table must have.
778 This counts the ordinary slots and the top and defalt slot. */
779 #define SUB_CHAR_TABLE_STANDARD_SLOTS (SUB_CHAR_TABLE_ORDINARY_SLOTS + 2)
781 /* Return the number of "extra" slots in the char table CT. */
783 #define CHAR_TABLE_EXTRA_SLOTS(CT) \
784 (((CT)->size & PSEUDOVECTOR_SIZE_MASK) - CHAR_TABLE_STANDARD_SLOTS)
786 /* Almost equivalent to Faref (CT, IDX) with optimization for ASCII
787 and 8-bit Europeans characters. For these characters, do not check
788 validity of CT. Do not follow parent. */
789 #define CHAR_TABLE_REF(CT, IDX) \
790 ((IDX) >= 0 && (IDX) < CHAR_TABLE_SINGLE_BYTE_SLOTS \
791 ? (!NILP (XCHAR_TABLE (CT)->contents[IDX]) \
792 ? XCHAR_TABLE (CT)->contents[IDX] \
793 : XCHAR_TABLE (CT)->defalt) \
794 : Faref (CT, make_number (IDX)))
796 /* Almost equivalent to Faref (CT, IDX) with optimization for ASCII
797 and 8-bit Europeans characters. However, if the result is nil,
800 For these characters, do not check validity of CT
801 and do not follow parent. */
802 #define CHAR_TABLE_TRANSLATE(CT, IDX) \
803 ((IDX) < CHAR_TABLE_SINGLE_BYTE_SLOTS \
804 ? (!NILP (XCHAR_TABLE (CT)->contents[IDX]) \
805 ? XINT (XCHAR_TABLE (CT)->contents[IDX]) \
807 : char_table_translate (CT, IDX))
809 /* Equivalent to Faset (CT, IDX, VAL) with optimization for ASCII and
810 8-bit Europeans characters. Do not check validity of CT. */
811 #define CHAR_TABLE_SET(CT, IDX, VAL) \
813 if (XFASTINT (IDX) < CHAR_TABLE_SINGLE_BYTE_SLOTS) \
814 XCHAR_TABLE (CT)->contents[XFASTINT (IDX)] = VAL; \
816 Faset (CT, IDX, VAL); \
819 struct Lisp_Char_Table
821 /* This is the vector's size field, which also holds the
822 pseudovector type information. It holds the size, too.
823 The size counts the top, defalt, purpose, and parent slots.
824 The last three are not counted if this is a sub char table. */
826 struct Lisp_Vector
*next
;
827 /* This holds a flag to tell if this is a top level char table (t)
828 or a sub char table (nil). */
830 /* This holds a default value,
831 which is used whenever the value for a specific character is nil. */
833 /* This holds an actual value of each element. A sub char table
834 has only SUB_CHAR_TABLE_ORDINARY_SLOTS number of elements. */
835 Lisp_Object contents
[CHAR_TABLE_ORDINARY_SLOTS
];
837 /* A sub char table doesn't has the following slots. */
839 /* This points to another char table, which we inherit from
840 when the value for a specific character is nil.
841 The `defalt' slot takes precedence over this. */
843 /* This should be a symbol which says what kind of use
844 this char-table is meant for.
845 Typically now the values can be `syntax-table' and `display-table'. */
847 /* These hold additional data. */
848 Lisp_Object extras
[1];
851 /* A boolvector is a kind of vectorlike, with contents are like a string. */
852 struct Lisp_Bool_Vector
854 /* This is the vector's size field. It doesn't have the real size,
855 just the subtype information. */
856 EMACS_INT vector_size
;
857 struct Lisp_Vector
*next
;
858 /* This is the size in bits. */
860 /* This contains the actual bits, packed into bytes. */
861 unsigned char data
[1];
864 /* This structure describes a built-in function.
865 It is generated by the DEFUN macro only.
866 defsubr makes it into a Lisp object.
868 This type is treated in most respects as a pseudovector,
869 but since we never dynamically allocate or free them,
870 we don't need a next-vector field. */
875 Lisp_Object (*function
) ();
876 short min_args
, max_args
;
883 /***********************************************************************
885 ***********************************************************************/
887 /* Interned state of a symbol. */
891 SYMBOL_UNINTERNED
= 0,
893 SYMBOL_INTERNED_IN_INITIAL_OBARRAY
= 2
896 /* In a symbol, the markbit of the plist is used as the gc mark bit */
900 unsigned gcmarkbit
: 1;
902 /* Non-zero means symbol serves as a variable alias. The symbol
903 holding the real value is found in the value slot. */
904 unsigned indirect_variable
: 1;
906 /* Non-zero means symbol is constant, i.e. changing its value
907 should signal an error. */
908 unsigned constant
: 1;
910 /* Interned state of the symbol. This is an enumerator from
911 enum symbol_interned. */
912 unsigned interned
: 2;
914 /* The symbol's name, as a Lisp string.
916 The name "xname" is used to intentionally break code referring to
917 the old field "name" of type pointer to struct Lisp_String. */
920 /* Value of the symbol or Qunbound if unbound. If this symbol is a
921 defvaralias, `value' contains the symbol for which it is an
922 alias. Use the SYMBOL_VALUE and SET_SYMBOL_VALUE macros to get
923 and set a symbol's value, to take defvaralias into account. */
926 /* Function value of the symbol or Qunbound if not fboundp. */
927 Lisp_Object function
;
929 /* The symbol's property list. */
932 /* Next symbol in obarray bucket, if the symbol is interned. */
933 struct Lisp_Symbol
*next
;
936 /* Value is name of symbol. */
938 #define SYMBOL_NAME(sym) \
939 LISP_MAKE_RVALUE (XSYMBOL (sym)->xname)
941 /* Value is non-zero if SYM is an interned symbol. */
943 #define SYMBOL_INTERNED_P(sym) \
944 (XSYMBOL (sym)->interned != SYMBOL_UNINTERNED)
946 /* Value is non-zero if SYM is interned in initial_obarray. */
948 #define SYMBOL_INTERNED_IN_INITIAL_OBARRAY_P(sym) \
949 (XSYMBOL (sym)->interned == SYMBOL_INTERNED_IN_INITIAL_OBARRAY)
951 /* Value is non-zero if symbol is considered a constant, i.e. its
952 value cannot be changed (there is an exception for keyword symbols,
953 whose value can be set to the keyword symbol itself). */
955 #define SYMBOL_CONSTANT_P(sym) XSYMBOL (sym)->constant
957 /* Value is the value of SYM, with defvaralias taken into
960 #define SYMBOL_VALUE(sym) \
961 (XSYMBOL (sym)->indirect_variable \
962 ? XSYMBOL (indirect_variable (sym))->value \
963 : XSYMBOL (sym)->value)
965 /* Set SYM's value to VAL, taking defvaralias into account. */
967 #define SET_SYMBOL_VALUE(sym, val) \
969 if (XSYMBOL (sym)->indirect_variable) \
970 XSYMBOL (indirect_variable ((sym)))->value = (val); \
972 XSYMBOL (sym)->value = (val); \
976 /***********************************************************************
978 ***********************************************************************/
980 /* The structure of a Lisp hash table. */
982 struct Lisp_Hash_Table
984 /* Vector fields. The hash table code doesn't refer to these. */
986 struct Lisp_Vector
*vec_next
;
988 /* Function used to compare keys. */
991 /* Nil if table is non-weak. Otherwise a symbol describing the
992 weakness of the table. */
995 /* When the table is resized, and this is an integer, compute the
996 new size by adding this to the old size. If a float, compute the
997 new size by multiplying the old size with this factor. */
998 Lisp_Object rehash_size
;
1000 /* Resize hash table when number of entries/ table size is >= this
1002 Lisp_Object rehash_threshold
;
1004 /* Number of key/value entries in the table. */
1007 /* Vector of keys and values. The key of item I is found at index
1008 2 * I, the value is found at index 2 * I + 1. */
1009 Lisp_Object key_and_value
;
1011 /* Vector of hash codes.. If hash[I] is nil, this means that that
1012 entry I is unused. */
1015 /* Vector used to chain entries. If entry I is free, next[I] is the
1016 entry number of the next free item. If entry I is non-free,
1017 next[I] is the index of the next entry in the collision chain. */
1020 /* Index of first free entry in free list. */
1021 Lisp_Object next_free
;
1023 /* Bucket vector. A non-nil entry is the index of the first item in
1024 a collision chain. This vector's size can be larger than the
1025 hash table size to reduce collisions. */
1028 /* Next weak hash table if this is a weak hash table. The head
1029 of the list is in Vweak_hash_tables. */
1030 Lisp_Object next_weak
;
1032 /* User-supplied hash function, or nil. */
1033 Lisp_Object user_hash_function
;
1035 /* User-supplied key comparison function, or nil. */
1036 Lisp_Object user_cmp_function
;
1038 /* C function to compare two keys. */
1039 int (* cmpfn
) P_ ((struct Lisp_Hash_Table
*, Lisp_Object
,
1040 unsigned, Lisp_Object
, unsigned));
1042 /* C function to compute hash code. */
1043 unsigned (* hashfn
) P_ ((struct Lisp_Hash_Table
*, Lisp_Object
));
1047 #define XHASH_TABLE(OBJ) \
1048 ((struct Lisp_Hash_Table *) XPNTR (OBJ))
1050 #define XSET_HASH_TABLE(VAR, PTR) \
1051 (XSETPSEUDOVECTOR (VAR, PTR, PVEC_HASH_TABLE))
1053 #define HASH_TABLE_P(OBJ) PSEUDOVECTORP (OBJ, PVEC_HASH_TABLE)
1054 #define GC_HASH_TABLE_P(x) GC_PSEUDOVECTORP (x, PVEC_HASH_TABLE)
1056 #define CHECK_HASH_TABLE(x) \
1059 if (!HASH_TABLE_P ((x))) \
1060 x = wrong_type_argument (Qhash_table_p, (x)); \
1064 /* Value is the key part of entry IDX in hash table H. */
1066 #define HASH_KEY(H, IDX) AREF ((H)->key_and_value, 2 * (IDX))
1068 /* Value is the value part of entry IDX in hash table H. */
1070 #define HASH_VALUE(H, IDX) AREF ((H)->key_and_value, 2 * (IDX) + 1)
1072 /* Value is the index of the next entry following the one at IDX
1075 #define HASH_NEXT(H, IDX) AREF ((H)->next, (IDX))
1077 /* Value is the hash code computed for entry IDX in hash table H. */
1079 #define HASH_HASH(H, IDX) AREF ((H)->hash, (IDX))
1081 /* Value is the index of the element in hash table H that is the
1082 start of the collision list at index IDX in the index vector of H. */
1084 #define HASH_INDEX(H, IDX) AREF ((H)->index, (IDX))
1086 /* Value is the size of hash table H. */
1088 #define HASH_TABLE_SIZE(H) XVECTOR ((H)->next)->size
1090 /* Default size for hash tables if not specified. */
1092 #define DEFAULT_HASH_SIZE 65
1094 /* Default threshold specifying when to resize a hash table. The
1095 value gives the ratio of current entries in the hash table and the
1096 size of the hash table. */
1098 #define DEFAULT_REHASH_THRESHOLD 0.8
1100 /* Default factor by which to increase the size of a hash table. */
1102 #define DEFAULT_REHASH_SIZE 1.5
1105 /* These structures are used for various misc types. */
1109 int type
: 16; /* = Lisp_Misc_Marker */
1110 unsigned gcmarkbit
: 1;
1112 /* 1 means normal insertion at the marker's position
1113 leaves the marker after the inserted text. */
1114 unsigned int insertion_type
: 1;
1115 /* This is the buffer that the marker points into,
1116 or 0 if it points nowhere. */
1117 struct buffer
*buffer
;
1119 /* The remaining fields are meaningless in a marker that
1120 does not point anywhere. */
1122 /* For markers that point somewhere,
1123 this is used to chain of all the markers in a given buffer. */
1124 struct Lisp_Marker
*next
;
1125 /* This is the char position where the marker points. */
1127 /* This is the byte position. */
1131 /* Forwarding pointer to an int variable.
1132 This is allowed only in the value cell of a symbol,
1133 and it means that the symbol's value really lives in the
1134 specified int variable. */
1137 int type
: 16; /* = Lisp_Misc_Intfwd */
1138 unsigned gcmarkbit
: 1;
1143 /* Boolean forwarding pointer to an int variable.
1144 This is like Lisp_Intfwd except that the ostensible
1145 "value" of the symbol is t if the int variable is nonzero,
1146 nil if it is zero. */
1149 int type
: 16; /* = Lisp_Misc_Boolfwd */
1150 unsigned gcmarkbit
: 1;
1155 /* Forwarding pointer to a Lisp_Object variable.
1156 This is allowed only in the value cell of a symbol,
1157 and it means that the symbol's value really lives in the
1158 specified variable. */
1161 int type
: 16; /* = Lisp_Misc_Objfwd */
1162 unsigned gcmarkbit
: 1;
1164 Lisp_Object
*objvar
;
1167 /* Like Lisp_Objfwd except that value lives in a slot in the
1168 current buffer. Value is byte index of slot within buffer. */
1169 struct Lisp_Buffer_Objfwd
1171 int type
: 16; /* = Lisp_Misc_Buffer_Objfwd */
1172 unsigned gcmarkbit
: 1;
1177 /* struct Lisp_Buffer_Local_Value is used in a symbol value cell when
1178 the symbol has buffer-local or frame-local bindings. (Exception:
1179 some buffer-local variables are built-in, with their values stored
1180 in the buffer structure itself. They are handled differently,
1181 using struct Lisp_Buffer_Objfwd.)
1183 The `realvalue' slot holds the variable's current value, or a
1184 forwarding pointer to where that value is kept. This value is the
1185 one that corresponds to the loaded binding. To read or set the
1186 variable, you must first make sure the right binding is loaded;
1187 then you can access the value in (or through) `realvalue'.
1189 `buffer' and `frame' are the buffer and frame for which the loaded
1190 binding was found. If those have changed, to make sure the right
1191 binding is loaded it is necessary to find which binding goes with
1192 the current buffer and selected frame, then load it. To load it,
1193 first unload the previous binding, then copy the value of the new
1194 binding into `realvalue' (or through it). Also update
1195 LOADED-BINDING to point to the newly loaded binding.
1197 Lisp_Misc_Buffer_Local_Value and Lisp_Misc_Some_Buffer_Local_Value
1198 both use this kind of structure. With the former, merely setting
1199 the variable creates a local binding for the current buffer. With
1200 the latter, setting the variable does not do that; only
1201 make-local-variable does that. */
1203 struct Lisp_Buffer_Local_Value
1205 int type
: 16; /* = Lisp_Misc_Buffer_Local_Value
1206 or Lisp_Misc_Some_Buffer_Local_Value */
1207 unsigned gcmarkbit
: 1;
1210 /* 1 means this variable is allowed to have frame-local bindings,
1211 so check for them when looking for the proper binding. */
1212 unsigned int check_frame
: 1;
1213 /* 1 means that the binding now loaded was found
1214 as a local binding for the buffer in the `buffer' slot. */
1215 unsigned int found_for_buffer
: 1;
1216 /* 1 means that the binding now loaded was found
1217 as a local binding for the frame in the `frame' slot. */
1218 unsigned int found_for_frame
: 1;
1219 Lisp_Object realvalue
;
1220 /* The buffer and frame for which the loaded binding was found. */
1221 Lisp_Object buffer
, frame
;
1223 /* A cons cell, (LOADED-BINDING . DEFAULT-VALUE).
1225 LOADED-BINDING is the binding now loaded. It is a cons cell
1226 whose cdr is the binding's value. The cons cell may be an
1227 element of a buffer's local-variable alist, or an element of a
1228 frame's parameter alist, or it may be this cons cell.
1230 DEFAULT-VALUE is the variable's default value, seen when the
1231 current buffer and selected frame do not have their own
1232 bindings for the variable. When the default binding is loaded,
1233 LOADED-BINDING is actually this very cons cell; thus, its car
1234 points to itself. */
1238 /* START and END are markers in the overlay's buffer, and
1239 PLIST is the overlay's property list. */
1242 int type
: 16; /* = Lisp_Misc_Overlay */
1243 unsigned gcmarkbit
: 1;
1245 struct Lisp_Overlay
*next
;
1246 Lisp_Object start
, end
, plist
;
1249 /* Like Lisp_Objfwd except that value lives in a slot in the
1251 struct Lisp_Kboard_Objfwd
1253 int type
: 16; /* = Lisp_Misc_Kboard_Objfwd */
1254 unsigned gcmarkbit
: 1;
1259 /* Hold a C pointer for later use.
1260 This type of object is used in the arg to record_unwind_protect. */
1261 struct Lisp_Save_Value
1263 int type
: 16; /* = Lisp_Misc_Save_Value */
1264 unsigned gcmarkbit
: 1;
1266 /* If DOGC is set, POINTER is the address of a memory
1267 area containing INTEGER potential Lisp_Objects. */
1268 unsigned int dogc
: 1;
1274 /* A miscellaneous object, when it's on the free list. */
1277 int type
: 16; /* = Lisp_Misc_Free */
1278 unsigned gcmarkbit
: 1;
1280 union Lisp_Misc
*chain
;
1282 /* Try to make sure that sizeof(Lisp_Misc) preserves TYPEBITS-alignment.
1283 This assumes that Lisp_Marker is the largest of the alternatives and
1284 that Lisp_Intfwd has the same size as "Lisp_Free w/o padding". */
1285 char padding
[((((sizeof (struct Lisp_Marker
) - 1) >> GCTYPEBITS
) + 1)
1286 << GCTYPEBITS
) - sizeof (struct Lisp_Intfwd
)];
1290 /* To get the type field of a union Lisp_Misc, use XMISCTYPE.
1291 It uses one of these struct subtypes to get the type field. */
1295 struct Lisp_Free u_free
;
1296 struct Lisp_Marker u_marker
;
1297 struct Lisp_Intfwd u_intfwd
;
1298 struct Lisp_Boolfwd u_boolfwd
;
1299 struct Lisp_Objfwd u_objfwd
;
1300 struct Lisp_Buffer_Objfwd u_buffer_objfwd
;
1301 struct Lisp_Buffer_Local_Value u_buffer_local_value
;
1302 struct Lisp_Overlay u_overlay
;
1303 struct Lisp_Kboard_Objfwd u_kboard_objfwd
;
1304 struct Lisp_Save_Value u_save_value
;
1307 /* Lisp floating point type */
1312 #ifdef HIDE_LISP_IMPLEMENTATION
1317 struct Lisp_Float
*chain
;
1321 #ifdef HIDE_LISP_IMPLEMENTATION
1322 #define XFLOAT_DATA(f) (XFLOAT (f)->u.data_)
1324 #define XFLOAT_DATA(f) (XFLOAT (f)->u.data)
1327 /* A character, declared with the following typedef, is a member
1328 of some character set associated with the current buffer. */
1329 #ifndef _UCHAR_T /* Protect against something in ctab.h on AIX. */
1331 typedef unsigned char UCHAR
;
1334 /* Meanings of slots in a Lisp_Compiled: */
1336 #define COMPILED_ARGLIST 0
1337 #define COMPILED_BYTECODE 1
1338 #define COMPILED_CONSTANTS 2
1339 #define COMPILED_STACK_DEPTH 3
1340 #define COMPILED_DOC_STRING 4
1341 #define COMPILED_INTERACTIVE 5
1343 /* Flag bits in a character. These also get used in termhooks.h.
1344 Richard Stallman <rms@gnu.ai.mit.edu> thinks that MULE
1345 (MUlti-Lingual Emacs) might need 22 bits for the character value
1346 itself, so we probably shouldn't use any bits lower than 0x0400000. */
1347 #define CHAR_ALT (0x0400000)
1348 #define CHAR_SUPER (0x0800000)
1349 #define CHAR_HYPER (0x1000000)
1350 #define CHAR_SHIFT (0x2000000)
1351 #define CHAR_CTL (0x4000000)
1352 #define CHAR_META (0x8000000)
1354 #define CHAR_MODIFIER_MASK \
1355 (CHAR_ALT | CHAR_SUPER | CHAR_HYPER | CHAR_SHIFT | CHAR_CTL | CHAR_META)
1358 /* Actually, the current Emacs uses 19 bits for the character value
1360 #define CHARACTERBITS 19
1362 /* The maximum byte size consumed by push_key_description.
1363 All callers should assure that at least this size of memory is
1364 allocated at the place pointed by the second argument.
1366 Thers are 6 modifiers, each consumes 2 chars.
1367 The octal form of a character code consumes
1368 (1 + CHARACTERBITS / 3 + 1) chars (including backslash at the head).
1369 We need one more byte for string terminator `\0'. */
1370 #define KEY_DESCRIPTION_SIZE ((2 * 6) + 1 + (CHARACTERBITS / 3) + 1 + 1)
1372 #ifdef USE_X_TOOLKIT
1373 #ifdef NO_UNION_TYPE
1374 /* Use this for turning a (void *) into a Lisp_Object, as when the
1375 Lisp_Object is passed into a toolkit callback function. */
1376 #define VOID_TO_LISP(larg,varg) \
1377 do { ((larg) = ((Lisp_Object) (varg))); } while (0)
1378 #define CVOID_TO_LISP VOID_TO_LISP
1380 /* Use this for turning a Lisp_Object into a (void *), as when the
1381 Lisp_Object is passed into a toolkit callback function. */
1382 #define LISP_TO_VOID(larg) ((void *) (larg))
1383 #define LISP_TO_CVOID(varg) ((const void *) (larg))
1385 #else /* not NO_UNION_TYPE */
1386 /* Use this for turning a (void *) into a Lisp_Object, as when the
1387 Lisp_Object is passed into a toolkit callback function. */
1388 #define VOID_TO_LISP(larg,varg) \
1389 do { ((larg).v = (void *) (varg)); } while (0)
1390 #define CVOID_TO_LISP(larg,varg) \
1391 do { ((larg).cv = (const void *) (varg)); } while (0)
1393 /* Use this for turning a Lisp_Object into a (void *), as when the
1394 Lisp_Object is passed into a toolkit callback function. */
1395 #define LISP_TO_VOID(larg) ((larg).v)
1396 #define LISP_TO_CVOID(larg) ((larg).cv)
1397 #endif /* not NO_UNION_TYPE */
1398 #endif /* USE_X_TOOLKIT */
1401 /* The glyph datatype, used to represent characters on the display. */
1403 /* Glyph code to use as an index to the glyph table. If it is out of
1404 range for the glyph table, or the corresonding element in the table
1405 is nil, the low 8 bits are the single byte character code, and the
1406 bits above are the numeric face ID. If FID is the face ID of a
1407 glyph on a frame F, then F->display.x->faces[FID] contains the
1408 description of that face. This is an int instead of a short, so we
1409 can support a good bunch of face ID's (2^(31 - 8)); given that we
1410 have no mechanism for tossing unused frame face ID's yet, we'll
1411 probably run out of 255 pretty quickly.
1412 This is always -1 for a multibyte character. */
1415 /* Mask bits for face. */
1416 #define GLYPH_MASK_FACE 0x7FF80000
1417 /* Mask bits for character code. */
1418 #define GLYPH_MASK_CHAR 0x0007FFFF /* The lowest 19 bits */
1420 /* The FAST macros assume that we already know we're in an X window. */
1422 /* Set a character code and a face ID in a glyph G. */
1423 #define FAST_MAKE_GLYPH(char, face) ((char) | ((face) << CHARACTERBITS))
1425 /* Return a glyph's character code. */
1426 #define FAST_GLYPH_CHAR(glyph) ((glyph) & GLYPH_MASK_CHAR)
1428 /* Return a glyph's face ID. */
1429 #define FAST_GLYPH_FACE(glyph) (((glyph) & GLYPH_MASK_FACE) >> CHARACTERBITS)
1431 /* Slower versions that test the frame type first. */
1432 #define MAKE_GLYPH(f, char, face) (FAST_MAKE_GLYPH (char, face))
1433 #define GLYPH_CHAR(f, g) (FAST_GLYPH_CHAR (g))
1434 #define GLYPH_FACE(f, g) (FAST_GLYPH_FACE (g))
1436 /* Return 1 iff GLYPH contains valid character code. */
1437 #define GLYPH_CHAR_VALID_P(glyph) CHAR_VALID_P (FAST_GLYPH_CHAR (glyph), 1)
1439 /* The ID of the mode line highlighting face. */
1440 #define GLYPH_MODE_LINE_FACE 1
1442 /* Data type checking */
1444 #define NILP(x) EQ (x, Qnil)
1445 #define GC_NILP(x) GC_EQ (x, Qnil)
1447 #define NUMBERP(x) (INTEGERP (x) || FLOATP (x))
1448 #define GC_NUMBERP(x) (GC_INTEGERP (x) || GC_FLOATP (x))
1449 #define NATNUMP(x) (INTEGERP (x) && XINT (x) >= 0)
1450 #define GC_NATNUMP(x) (GC_INTEGERP (x) && XINT (x) >= 0)
1452 #define INTEGERP(x) (XTYPE ((x)) == Lisp_Int)
1453 #define GC_INTEGERP(x) INTEGERP (x)
1454 #define SYMBOLP(x) (XTYPE ((x)) == Lisp_Symbol)
1455 #define GC_SYMBOLP(x) (XGCTYPE ((x)) == Lisp_Symbol)
1456 #define MISCP(x) (XTYPE ((x)) == Lisp_Misc)
1457 #define GC_MISCP(x) (XGCTYPE ((x)) == Lisp_Misc)
1458 #define VECTORLIKEP(x) (XTYPE ((x)) == Lisp_Vectorlike)
1459 #define GC_VECTORLIKEP(x) (XGCTYPE ((x)) == Lisp_Vectorlike)
1460 #define STRINGP(x) (XTYPE ((x)) == Lisp_String)
1461 #define GC_STRINGP(x) (XGCTYPE ((x)) == Lisp_String)
1462 #define CONSP(x) (XTYPE ((x)) == Lisp_Cons)
1463 #define GC_CONSP(x) (XGCTYPE ((x)) == Lisp_Cons)
1465 #define FLOATP(x) (XTYPE ((x)) == Lisp_Float)
1466 #define GC_FLOATP(x) (XGCTYPE ((x)) == Lisp_Float)
1467 #define VECTORP(x) (VECTORLIKEP (x) && !(XVECTOR (x)->size & PSEUDOVECTOR_FLAG))
1468 #define GC_VECTORP(x) (GC_VECTORLIKEP (x) && !(XVECTOR (x)->size & PSEUDOVECTOR_FLAG))
1469 #define OVERLAYP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Overlay)
1470 #define GC_OVERLAYP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Overlay)
1471 #define MARKERP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Marker)
1472 #define GC_MARKERP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Marker)
1473 #define INTFWDP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Intfwd)
1474 #define GC_INTFWDP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Intfwd)
1475 #define BOOLFWDP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Boolfwd)
1476 #define GC_BOOLFWDP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Boolfwd)
1477 #define OBJFWDP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Objfwd)
1478 #define GC_OBJFWDP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Objfwd)
1479 #define BUFFER_OBJFWDP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Buffer_Objfwd)
1480 #define GC_BUFFER_OBJFWDP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Buffer_Objfwd)
1481 #define BUFFER_LOCAL_VALUEP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Buffer_Local_Value)
1482 #define GC_BUFFER_LOCAL_VALUEP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Buffer_Local_Value)
1483 #define SOME_BUFFER_LOCAL_VALUEP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Some_Buffer_Local_Value)
1484 #define GC_SOME_BUFFER_LOCAL_VALUEP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Some_Buffer_Local_Value)
1485 #define KBOARD_OBJFWDP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Kboard_Objfwd)
1486 #define GC_KBOARD_OBJFWDP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Kboard_Objfwd)
1489 /* True if object X is a pseudovector whose code is CODE. */
1490 #define PSEUDOVECTORP(x, code) \
1492 && (((XVECTOR (x)->size & (PSEUDOVECTOR_FLAG | (code)))) \
1493 == (PSEUDOVECTOR_FLAG | (code))))
1495 /* True if object X is a pseudovector whose code is CODE.
1496 This one works during GC. */
1497 #define GC_PSEUDOVECTORP(x, code) \
1498 (GC_VECTORLIKEP (x) \
1499 && (((XVECTOR (x)->size & (PSEUDOVECTOR_FLAG | (code)))) \
1500 == (PSEUDOVECTOR_FLAG | (code))))
1502 /* Test for specific pseudovector types. */
1503 #define WINDOW_CONFIGURATIONP(x) PSEUDOVECTORP (x, PVEC_WINDOW_CONFIGURATION)
1504 #define GC_WINDOW_CONFIGURATIONP(x) GC_PSEUDOVECTORP (x, PVEC_WINDOW_CONFIGURATION)
1505 #define PROCESSP(x) PSEUDOVECTORP (x, PVEC_PROCESS)
1506 #define GC_PROCESSP(x) GC_PSEUDOVECTORP (x, PVEC_PROCESS)
1507 #define WINDOWP(x) PSEUDOVECTORP (x, PVEC_WINDOW)
1508 #define GC_WINDOWP(x) GC_PSEUDOVECTORP (x, PVEC_WINDOW)
1509 #define SUBRP(x) PSEUDOVECTORP (x, PVEC_SUBR)
1510 #define GC_SUBRP(x) GC_PSEUDOVECTORP (x, PVEC_SUBR)
1511 #define COMPILEDP(x) PSEUDOVECTORP (x, PVEC_COMPILED)
1512 #define GC_COMPILEDP(x) GC_PSEUDOVECTORP (x, PVEC_COMPILED)
1513 #define BUFFERP(x) PSEUDOVECTORP (x, PVEC_BUFFER)
1514 #define GC_BUFFERP(x) GC_PSEUDOVECTORP (x, PVEC_BUFFER)
1515 #define CHAR_TABLE_P(x) PSEUDOVECTORP (x, PVEC_CHAR_TABLE)
1516 #define GC_CHAR_TABLE_P(x) GC_PSEUDOVECTORP (x, PVEC_CHAR_TABLE)
1517 #define BOOL_VECTOR_P(x) PSEUDOVECTORP (x, PVEC_BOOL_VECTOR)
1518 #define GC_BOOL_VECTOR_P(x) GC_PSEUDOVECTORP (x, PVEC_BOOL_VECTOR)
1519 #define FRAMEP(x) PSEUDOVECTORP (x, PVEC_FRAME)
1520 #define GC_FRAMEP(x) GC_PSEUDOVECTORP (x, PVEC_FRAME)
1522 #define SUB_CHAR_TABLE_P(x) (CHAR_TABLE_P (x) && NILP (XCHAR_TABLE (x)->top))
1524 /* Test for image (image . spec) */
1525 #define IMAGEP(x) (CONSP (x) && EQ (XCAR (x), Qimage))
1528 #define GC_EQ(x, y) EQ (x, y)
1530 #define CHECK_LIST(x) \
1531 do { if (!CONSP ((x)) && !NILP (x)) x = wrong_type_argument (Qlistp, (x)); } while (0)
1533 #define CHECK_STRING(x) \
1534 do { if (!STRINGP ((x))) x = wrong_type_argument (Qstringp, (x)); } while (0)
1536 #define CHECK_STRING_CAR(x) \
1537 do { if (!STRINGP (XCAR (x))) XSETCAR (x, wrong_type_argument (Qstringp, XCAR (x))); } while (0)
1539 #define CHECK_CONS(x) \
1540 do { if (!CONSP ((x))) x = wrong_type_argument (Qconsp, (x)); } while (0)
1542 #define CHECK_SYMBOL(x) \
1543 do { if (!SYMBOLP ((x))) x = wrong_type_argument (Qsymbolp, (x)); } while (0)
1545 #define CHECK_CHAR_TABLE(x) \
1546 do { if (!CHAR_TABLE_P ((x))) \
1547 x = wrong_type_argument (Qchar_table_p, (x)); } while (0)
1549 #define CHECK_VECTOR(x) \
1550 do { if (!VECTORP ((x))) x = wrong_type_argument (Qvectorp, (x)); } while (0)
1552 #define CHECK_VECTOR_OR_CHAR_TABLE(x) \
1553 do { if (!VECTORP ((x)) && !CHAR_TABLE_P ((x))) \
1554 x = wrong_type_argument (Qvector_or_char_table_p, (x)); \
1557 #define CHECK_BUFFER(x) \
1558 do { if (!BUFFERP ((x))) x = wrong_type_argument (Qbufferp, (x)); } while (0)
1560 #define CHECK_WINDOW(x) \
1561 do { if (!WINDOWP ((x))) x = wrong_type_argument (Qwindowp, (x)); } while (0)
1563 /* This macro rejects windows on the interior of the window tree as
1564 "dead", which is what we want; this is an argument-checking macro, and
1565 the user should never get access to interior windows.
1567 A window of any sort, leaf or interior, is dead iff the buffer,
1568 vchild, and hchild members are all nil. */
1570 #define CHECK_LIVE_WINDOW(x) \
1572 if (!WINDOWP ((x)) \
1573 || NILP (XWINDOW ((x))->buffer)) \
1574 x = wrong_type_argument (Qwindow_live_p, (x)); \
1577 #define CHECK_PROCESS(x) \
1578 do { if (!PROCESSP ((x))) x = wrong_type_argument (Qprocessp, (x)); } while (0)
1580 #define CHECK_NUMBER(x) \
1581 do { if (!INTEGERP ((x))) x = wrong_type_argument (Qintegerp, (x)); } while (0)
1583 #define CHECK_NATNUM(x) \
1584 do { if (!NATNUMP (x)) x = wrong_type_argument (Qwholenump, (x)); } while (0)
1586 #define CHECK_MARKER(x) \
1587 do { if (!MARKERP ((x))) x = wrong_type_argument (Qmarkerp, (x)); } while (0)
1589 #define CHECK_NUMBER_COERCE_MARKER(x) \
1590 do { if (MARKERP ((x))) XSETFASTINT (x, marker_position (x)); \
1591 else if (!INTEGERP ((x))) x = wrong_type_argument (Qinteger_or_marker_p, (x)); } while (0)
1593 #define XFLOATINT(n) extract_float((n))
1595 #define CHECK_FLOAT(x) \
1596 do { if (!FLOATP (x)) \
1597 x = wrong_type_argument (Qfloatp, (x)); } while (0)
1599 #define CHECK_NUMBER_OR_FLOAT(x) \
1600 do { if (!FLOATP (x) && !INTEGERP (x)) \
1601 x = wrong_type_argument (Qnumberp, (x)); } while (0)
1603 #define CHECK_NUMBER_OR_FLOAT_COERCE_MARKER(x) \
1604 do { if (MARKERP (x)) XSETFASTINT (x, marker_position (x)); \
1605 else if (!INTEGERP (x) && !FLOATP (x)) \
1606 x = wrong_type_argument (Qnumber_or_marker_p, (x)); } while (0)
1608 #define CHECK_OVERLAY(x) \
1609 do { if (!OVERLAYP ((x))) x = wrong_type_argument (Qoverlayp, (x));} while (0)
1611 /* Since we can't assign directly to the CAR or CDR fields of a cons
1612 cell, use these when checking that those fields contain numbers. */
1613 #define CHECK_NUMBER_CAR(x) \
1615 Lisp_Object tmp = XCAR (x); \
1616 CHECK_NUMBER (tmp); \
1617 XSETCAR ((x), tmp); \
1620 #define CHECK_NUMBER_CDR(x) \
1622 Lisp_Object tmp = XCDR (x); \
1623 CHECK_NUMBER (tmp); \
1624 XSETCDR ((x), tmp); \
1627 /* Cast pointers to this type to compare them. Some machines want int. */
1628 #ifndef PNTR_COMPARISON_TYPE
1629 #define PNTR_COMPARISON_TYPE EMACS_UINT
1632 /* Define a built-in function for calling from Lisp.
1633 `lname' should be the name to give the function in Lisp,
1634 as a null-terminated C string.
1635 `fnname' should be the name of the function in C.
1636 By convention, it starts with F.
1637 `sname' should be the name for the C constant structure
1638 that records information on this function for internal use.
1639 By convention, it should be the same as `fnname' but with S instead of F.
1640 It's too bad that C macros can't compute this from `fnname'.
1641 `minargs' should be a number, the minimum number of arguments allowed.
1642 `maxargs' should be a number, the maximum number of arguments allowed,
1643 or else MANY or UNEVALLED.
1644 MANY means pass a vector of evaluated arguments,
1645 in the form of an integer number-of-arguments
1646 followed by the address of a vector of Lisp_Objects
1647 which contains the argument values.
1648 UNEVALLED means pass the list of unevaluated arguments
1649 `prompt' says how to read arguments for an interactive call.
1650 See the doc string for `interactive'.
1651 A null string means call interactively with no arguments.
1652 `doc' is documentation for the user. */
1654 #if (!defined (__STDC__) && !defined (PROTOTYPES)) \
1655 || defined (USE_NONANSI_DEFUN)
1657 #define DEFUN(lname, fnname, sname, minargs, maxargs, prompt, doc) \
1658 Lisp_Object fnname (); \
1659 DECL_ALIGN (struct Lisp_Subr, sname) = \
1660 { PVEC_SUBR | (sizeof (struct Lisp_Subr) / sizeof (EMACS_INT)), \
1661 fnname, minargs, maxargs, lname, prompt, 0}; \
1666 /* This version of DEFUN declares a function prototype with the right
1667 arguments, so we can catch errors with maxargs at compile-time. */
1668 #define DEFUN(lname, fnname, sname, minargs, maxargs, prompt, doc) \
1669 Lisp_Object fnname DEFUN_ARGS_ ## maxargs ; \
1670 DECL_ALIGN (struct Lisp_Subr, sname) = \
1671 { PVEC_SUBR | (sizeof (struct Lisp_Subr) / sizeof (EMACS_INT)), \
1672 fnname, minargs, maxargs, lname, prompt, 0}; \
1675 /* Note that the weird token-substitution semantics of ANSI C makes
1676 this work for MANY and UNEVALLED. */
1677 #define DEFUN_ARGS_MANY (int, Lisp_Object *)
1678 #define DEFUN_ARGS_UNEVALLED (Lisp_Object)
1679 #define DEFUN_ARGS_0 (void)
1680 #define DEFUN_ARGS_1 (Lisp_Object)
1681 #define DEFUN_ARGS_2 (Lisp_Object, Lisp_Object)
1682 #define DEFUN_ARGS_3 (Lisp_Object, Lisp_Object, Lisp_Object)
1683 #define DEFUN_ARGS_4 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object)
1684 #define DEFUN_ARGS_5 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, \
1686 #define DEFUN_ARGS_6 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, \
1687 Lisp_Object, Lisp_Object)
1688 #define DEFUN_ARGS_7 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, \
1689 Lisp_Object, Lisp_Object, Lisp_Object)
1690 #define DEFUN_ARGS_8 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, \
1691 Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object)
1694 /* Non-zero if OBJ is a Lisp function. */
1696 #define FUNCTIONP(OBJ) \
1697 ((CONSP (OBJ) && EQ (XCAR (OBJ), Qlambda)) \
1698 || (SYMBOLP (OBJ) && !NILP (Ffboundp (OBJ))) \
1699 || COMPILEDP (OBJ) \
1703 is how we define the symbol for function `name' at start-up time. */
1704 extern void defsubr
P_ ((struct Lisp_Subr
*));
1707 #define UNEVALLED -1
1709 extern void defvar_lisp
P_ ((char *, Lisp_Object
*));
1710 extern void defvar_lisp_nopro
P_ ((char *, Lisp_Object
*));
1711 extern void defvar_bool
P_ ((char *, int *));
1712 extern void defvar_int
P_ ((char *, EMACS_INT
*));
1713 extern void defvar_per_buffer
P_ ((char *, Lisp_Object
*, Lisp_Object
, char *));
1714 extern void defvar_kboard
P_ ((char *, int));
1716 /* Macros we use to define forwarded Lisp variables.
1717 These are used in the syms_of_FILENAME functions. */
1719 #define DEFVAR_LISP(lname, vname, doc) defvar_lisp (lname, vname)
1720 #define DEFVAR_LISP_NOPRO(lname, vname, doc) defvar_lisp_nopro (lname, vname)
1721 #define DEFVAR_BOOL(lname, vname, doc) defvar_bool (lname, vname)
1722 #define DEFVAR_INT(lname, vname, doc) defvar_int (lname, vname)
1724 /* TYPE is nil for a general Lisp variable.
1725 An integer specifies a type; then only LIsp values
1726 with that type code are allowed (except that nil is allowed too).
1727 LNAME is the LIsp-level variable name.
1728 VNAME is the name of the buffer slot.
1729 DOC is a dummy where you write the doc string as a comment. */
1730 #define DEFVAR_PER_BUFFER(lname, vname, type, doc) \
1731 defvar_per_buffer (lname, vname, type, 0)
1733 #define DEFVAR_KBOARD(lname, vname, doc) \
1734 defvar_kboard (lname, \
1735 (int)((char *)(¤t_kboard->vname) \
1736 - (char *)current_kboard))
1740 /* Structure for recording Lisp call stack for backtrace purposes. */
1742 /* The special binding stack holds the outer values of variables while
1743 they are bound by a function application or a let form, stores the
1744 code to be executed for Lisp unwind-protect forms, and stores the C
1745 functions to be called for record_unwind_protect.
1747 If func is non-zero, undoing this binding applies func to old_value;
1748 This implements record_unwind_protect.
1750 Otherwise, the element is a variable binding.
1752 If the symbol field is a symbol, it is an ordinary variable binding.
1754 Otherwise, it should be a structure (SYMBOL WHERE
1755 . CURRENT-BUFFER), which means having bound a local value while
1756 CURRENT-BUFFER was active. If WHERE is nil this means we saw the
1757 default value when binding SYMBOL. WHERE being a buffer or frame
1758 means we saw a buffer-local or frame-local value. Other values of
1759 WHERE mean an internal error. */
1761 typedef Lisp_Object (*specbinding_func
) P_ ((Lisp_Object
));
1765 Lisp_Object symbol
, old_value
;
1766 specbinding_func func
;
1767 Lisp_Object unused
; /* Dividing by 16 is faster than by 12 */
1770 extern struct specbinding
*specpdl
;
1771 extern struct specbinding
*specpdl_ptr
;
1772 extern int specpdl_size
;
1774 extern EMACS_INT max_specpdl_size
;
1776 #define SPECPDL_INDEX() (specpdl_ptr - specpdl)
1778 /* Everything needed to describe an active condition case. */
1781 /* The handler clauses and variable from the condition-case form. */
1782 /* For a handler set up in Lisp code, this is always a list.
1783 For an internal handler set up by internal_condition_case*,
1784 this can instead be the symbol t or `error'.
1785 t: handle all conditions.
1786 error: handle all conditions, and errors can run the debugger
1787 or display a backtrace. */
1788 Lisp_Object handler
;
1790 /* Fsignal stores here the condition-case clause that applies,
1791 and Fcondition_case thus knows which clause to run. */
1792 Lisp_Object chosen_clause
;
1794 /* Used to effect the longjump out to the handler. */
1795 struct catchtag
*tag
;
1797 /* The next enclosing handler. */
1798 struct handler
*next
;
1801 extern struct handler
*handlerlist
;
1803 extern struct catchtag
*catchlist
;
1804 extern struct backtrace
*backtrace_list
;
1806 extern Lisp_Object memory_signal_data
;
1808 /* An address near the bottom of the stack.
1809 Tells GC how to save a copy of the stack. */
1810 extern char *stack_bottom
;
1812 /* Check quit-flag and quit if it is non-nil.
1813 Typing C-g does not directly cause a quit; it only sets Vquit_flag.
1814 So the program needs to do QUIT at times when it is safe to quit.
1815 Every loop that might run for a long time or might not exit
1816 ought to do QUIT at least once, at a safe place.
1817 Unless that is impossible, of course.
1818 But it is very desirable to avoid creating loops where QUIT is impossible.
1820 Exception: if you set immediate_quit to nonzero,
1821 then the handler that responds to the C-g does the quit itself.
1822 This is a good thing to do around a loop that has no side effects
1823 and (in particular) cannot call arbitrary Lisp code. */
1826 extern void handle_async_input
P_ ((void));
1827 extern int interrupt_input_pending
;
1831 if (!NILP (Vquit_flag) && NILP (Vinhibit_quit)) \
1833 Lisp_Object flag = Vquit_flag; \
1834 Vquit_flag = Qnil; \
1835 if (EQ (Vthrow_on_input, flag)) \
1836 Fthrow (Vthrow_on_input, Qt); \
1837 Fsignal (Qquit, Qnil); \
1839 else if (interrupt_input_pending) \
1840 handle_async_input (); \
1843 #else /* not SYNC_INPUT */
1847 if (!NILP (Vquit_flag) && NILP (Vinhibit_quit)) \
1849 Lisp_Object flag = Vquit_flag; \
1850 Vquit_flag = Qnil; \
1851 if (EQ (Vthrow_on_input, flag)) \
1852 Fthrow (Vthrow_on_input, Qt); \
1853 Fsignal (Qquit, Qnil); \
1857 #endif /* not SYNC_INPUT */
1860 /* Nonzero if ought to quit now. */
1862 #define QUITP (!NILP (Vquit_flag) && NILP (Vinhibit_quit))
1864 /* Variables used locally in the following case handling macros. */
1865 extern int case_temp1
;
1866 extern Lisp_Object case_temp2
;
1868 /* Current buffer's map from characters to lower-case characters. */
1870 #define DOWNCASE_TABLE current_buffer->downcase_table
1872 /* Current buffer's map from characters to upper-case characters. */
1874 #define UPCASE_TABLE current_buffer->upcase_table
1876 /* Downcase a character, or make no change if that cannot be done. */
1878 #define DOWNCASE(CH) \
1879 ((case_temp1 = (CH), \
1880 case_temp2 = CHAR_TABLE_REF (DOWNCASE_TABLE, case_temp1), \
1881 NATNUMP (case_temp2)) \
1882 ? XFASTINT (case_temp2) : case_temp1)
1884 /* 1 if CH is upper case. */
1886 #define UPPERCASEP(CH) (DOWNCASE (CH) != (CH))
1888 /* 1 if CH is neither upper nor lower case. */
1890 #define NOCASEP(CH) (UPCASE1 (CH) == (CH))
1892 /* 1 if CH is lower case. */
1894 #define LOWERCASEP(CH) (!UPPERCASEP (CH) && !NOCASEP(CH))
1896 /* Upcase a character, or make no change if that cannot be done. */
1898 #define UPCASE(CH) (!UPPERCASEP (CH) ? UPCASE1 (CH) : (CH))
1900 /* Upcase a character known to be not upper case. */
1902 #define UPCASE1(CH) \
1903 ((case_temp1 = (CH), \
1904 case_temp2 = CHAR_TABLE_REF (UPCASE_TABLE, case_temp1), \
1905 NATNUMP (case_temp2)) \
1906 ? XFASTINT (case_temp2) : case_temp1)
1908 extern Lisp_Object Vascii_downcase_table
, Vascii_upcase_table
;
1909 extern Lisp_Object Vascii_canon_table
, Vascii_eqv_table
;
1911 /* Number of bytes of structure consed since last GC. */
1913 extern int consing_since_gc
;
1915 /* Thresholds for doing another gc. */
1917 extern EMACS_INT gc_cons_threshold
;
1919 extern EMACS_INT gc_relative_threshold
;
1921 extern EMACS_INT memory_full_cons_threshold
;
1923 /* Structure for recording stack slots that need marking. */
1925 /* This is a chain of structures, each of which points at a Lisp_Object variable
1926 whose value should be marked in garbage collection.
1927 Normally every link of the chain is an automatic variable of a function,
1928 and its `val' points to some argument or local variable of the function.
1929 On exit to the function, the chain is set back to the value it had on entry.
1930 This way, no link remains in the chain when the stack frame containing the
1933 Every function that can call Feval must protect in this fashion all
1934 Lisp_Object variables whose contents will be used again. */
1936 extern struct gcpro
*gcprolist
;
1942 /* Address of first protected variable. */
1943 volatile Lisp_Object
*var
;
1945 /* Number of consecutive protected variables. */
1953 /* Values of GC_MARK_STACK during compilation:
1955 0 Use GCPRO as before
1956 1 Do the real thing, make GCPROs and UNGCPRO no-ops.
1957 2 Mark the stack, and check that everything GCPRO'd is
1959 3 Mark using GCPRO's, mark stack last, and count how many
1960 dead objects are kept alive. */
1963 #define GC_USE_GCPROS_AS_BEFORE 0
1964 #define GC_MAKE_GCPROS_NOOPS 1
1965 #define GC_MARK_STACK_CHECK_GCPROS 2
1966 #define GC_USE_GCPROS_CHECK_ZOMBIES 3
1968 #ifndef GC_MARK_STACK
1969 #define GC_MARK_STACK GC_USE_GCPROS_AS_BEFORE
1972 #if GC_MARK_STACK == GC_MAKE_GCPROS_NOOPS
1974 /* Do something silly with gcproN vars just so gcc shuts up. */
1975 /* You get warnings from MIPSPro... */
1977 #define GCPRO1(varname) ((void) gcpro1)
1978 #define GCPRO2(varname1, varname2)(((void) gcpro2, (void) gcpro1))
1979 #define GCPRO3(varname1, varname2, varname3) \
1980 (((void) gcpro3, (void) gcpro2, (void) gcpro1))
1981 #define GCPRO4(varname1, varname2, varname3, varname4) \
1982 (((void) gcpro4, (void) gcpro3, (void) gcpro2, (void) gcpro1))
1983 #define GCPRO5(varname1, varname2, varname3, varname4, varname5) \
1984 (((void) gcpro5, (void) gcpro4, (void) gcpro3, (void) gcpro2, (void) gcpro1))
1985 #define GCPRO6(varname1, varname2, varname3, varname4, varname5, varname6) \
1986 (((void) gcpro6, (void) gcpro5, (void) gcpro4, (void) gcpro3, (void) gcpro2, (void) gcpro1))
1987 #define UNGCPRO ((void) 0)
1989 #else /* GC_MARK_STACK != GC_MAKE_GCPROS_NOOPS */
1993 #define GCPRO1(varname) \
1994 {gcpro1.next = gcprolist; gcpro1.var = &varname; gcpro1.nvars = 1; \
1995 gcprolist = &gcpro1; }
1997 #define GCPRO2(varname1, varname2) \
1998 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
1999 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
2000 gcprolist = &gcpro2; }
2002 #define GCPRO3(varname1, varname2, varname3) \
2003 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
2004 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
2005 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
2006 gcprolist = &gcpro3; }
2008 #define GCPRO4(varname1, varname2, varname3, varname4) \
2009 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
2010 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
2011 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
2012 gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \
2013 gcprolist = &gcpro4; }
2015 #define GCPRO5(varname1, varname2, varname3, varname4, varname5) \
2016 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
2017 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
2018 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
2019 gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \
2020 gcpro5.next = &gcpro4; gcpro5.var = &varname5; gcpro5.nvars = 1; \
2021 gcprolist = &gcpro5; }
2023 #define GCPRO6(varname1, varname2, varname3, varname4, varname5, varname6) \
2024 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
2025 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
2026 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
2027 gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \
2028 gcpro5.next = &gcpro4; gcpro5.var = &varname5; gcpro5.nvars = 1; \
2029 gcpro6.next = &gcpro5; gcpro6.var = &varname6; gcpro6.nvars = 1; \
2030 gcprolist = &gcpro6; }
2032 #define UNGCPRO (gcprolist = gcpro1.next)
2036 extern int gcpro_level
;
2038 #define GCPRO1(varname) \
2039 {gcpro1.next = gcprolist; gcpro1.var = &varname; gcpro1.nvars = 1; \
2040 gcpro1.level = gcpro_level++; \
2041 gcprolist = &gcpro1; }
2043 #define GCPRO2(varname1, varname2) \
2044 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
2045 gcpro1.level = gcpro_level; \
2046 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
2047 gcpro2.level = gcpro_level++; \
2048 gcprolist = &gcpro2; }
2050 #define GCPRO3(varname1, varname2, varname3) \
2051 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
2052 gcpro1.level = gcpro_level; \
2053 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
2054 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
2055 gcpro3.level = gcpro_level++; \
2056 gcprolist = &gcpro3; }
2058 #define GCPRO4(varname1, varname2, varname3, varname4) \
2059 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
2060 gcpro1.level = gcpro_level; \
2061 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
2062 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
2063 gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \
2064 gcpro4.level = gcpro_level++; \
2065 gcprolist = &gcpro4; }
2067 #define GCPRO5(varname1, varname2, varname3, varname4, varname5) \
2068 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
2069 gcpro1.level = gcpro_level; \
2070 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
2071 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
2072 gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \
2073 gcpro5.next = &gcpro4; gcpro5.var = &varname5; gcpro5.nvars = 1; \
2074 gcpro5.level = gcpro_level++; \
2075 gcprolist = &gcpro5; }
2077 #define GCPRO6(varname1, varname2, varname3, varname4, varname5, varname6) \
2078 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
2079 gcpro1.level = gcpro_level; \
2080 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
2081 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
2082 gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \
2083 gcpro5.next = &gcpro4; gcpro5.var = &varname5; gcpro5.nvars = 1; \
2084 gcpro6.next = &gcpro5; gcpro6.var = &varname6; gcpro6.nvars = 1; \
2085 gcpro6.level = gcpro_level++; \
2086 gcprolist = &gcpro6; }
2089 ((--gcpro_level != gcpro1.level) \
2091 : ((gcprolist = gcpro1.next), 0))
2093 #endif /* DEBUG_GCPRO */
2094 #endif /* GC_MARK_STACK != GC_MAKE_GCPROS_NOOPS */
2097 /* Evaluate expr, UNGCPRO, and then return the value of expr. */
2098 #define RETURN_UNGCPRO(expr) \
2101 Lisp_Object ret_ungc_val; \
2102 ret_ungc_val = (expr); \
2104 return ret_ungc_val; \
2108 /* Call staticpro (&var) to protect static variable `var'. */
2110 void staticpro
P_ ((Lisp_Object
*));
2112 /* Declare a Lisp-callable function. The MAXARGS parameter has the same
2113 meaning as in the DEFUN macro, and is used to construct a prototype. */
2114 #if (!defined (__STDC__) && !defined (PROTOTYPES)) \
2115 || defined (USE_NONANSI_DEFUN)
2116 #define EXFUN(fnname, maxargs) \
2117 extern Lisp_Object fnname ()
2119 /* We can use the same trick as in the DEFUN macro to generate the
2120 appropriate prototype. */
2121 #define EXFUN(fnname, maxargs) \
2122 extern Lisp_Object fnname DEFUN_ARGS_ ## maxargs
2125 /* Forward declarations for prototypes. */
2129 /* Defined in data.c */
2130 extern Lisp_Object Qnil
, Qt
, Qquote
, Qlambda
, Qsubr
, Qunbound
;
2131 extern Lisp_Object Qerror_conditions
, Qerror_message
, Qtop_level
;
2132 extern Lisp_Object Qerror
, Qquit
, Qwrong_type_argument
, Qargs_out_of_range
;
2133 extern Lisp_Object Qvoid_variable
, Qvoid_function
;
2134 extern Lisp_Object Qsetting_constant
, Qinvalid_read_syntax
;
2135 extern Lisp_Object Qinvalid_function
, Qwrong_number_of_arguments
, Qno_catch
;
2136 extern Lisp_Object Qend_of_file
, Qarith_error
, Qmark_inactive
;
2137 extern Lisp_Object Qbeginning_of_buffer
, Qend_of_buffer
, Qbuffer_read_only
;
2138 extern Lisp_Object Qtext_read_only
;
2140 extern Lisp_Object Qintegerp
, Qnatnump
, Qwholenump
, Qsymbolp
, Qlistp
, Qconsp
;
2141 extern Lisp_Object Qstringp
, Qarrayp
, Qsequencep
, Qbufferp
;
2142 extern Lisp_Object Qchar_or_string_p
, Qmarkerp
, Qinteger_or_marker_p
, Qvectorp
;
2143 extern Lisp_Object Qbuffer_or_string_p
;
2144 extern Lisp_Object Qboundp
, Qfboundp
;
2145 extern Lisp_Object Qchar_table_p
, Qvector_or_char_table_p
;
2147 extern Lisp_Object Qcdr
;
2149 extern Lisp_Object Qrange_error
, Qdomain_error
, Qsingularity_error
;
2150 extern Lisp_Object Qoverflow_error
, Qunderflow_error
;
2152 extern Lisp_Object Qfloatp
;
2153 extern Lisp_Object Qnumberp
, Qnumber_or_marker_p
;
2155 extern Lisp_Object Qinteger
;
2157 extern void circular_list_error
P_ ((Lisp_Object
));
2158 EXFUN (Finteractive_form
, 1);
2160 /* Defined in frame.c */
2161 extern Lisp_Object Qframep
;
2169 EXFUN (Fintegerp
, 1);
2170 EXFUN (Fnatnump
, 1);
2171 EXFUN (Fsymbolp
, 1);
2172 EXFUN (Fvectorp
, 1);
2173 EXFUN (Fstringp
, 1);
2174 EXFUN (Fmultibyte_string_p
, 1);
2176 EXFUN (Fsequencep
, 1);
2177 EXFUN (Fbufferp
, 1);
2178 EXFUN (Fmarkerp
, 1);
2180 EXFUN (Fchar_or_string_p
, 1);
2181 EXFUN (Finteger_or_marker_p
, 1);
2183 EXFUN (Finteger_or_floatp
, 1);
2184 EXFUN (Finteger_or_float_or_marker_p
, 1);
2187 EXFUN (Fcar_safe
, 1);
2189 EXFUN (Fcdr_safe
, 1);
2193 EXFUN (Ffboundp
, 1);
2194 EXFUN (Fmakunbound
, 1);
2195 EXFUN (Ffmakunbound
, 1);
2196 EXFUN (Fsymbol_function
, 1);
2197 EXFUN (Fsymbol_plist
, 1);
2198 EXFUN (Fsymbol_name
, 1);
2199 extern Lisp_Object indirect_function
P_ ((Lisp_Object
));
2200 EXFUN (Findirect_function
, 2);
2202 EXFUN (Fsetplist
, 2);
2203 EXFUN (Fsymbol_value
, 1);
2204 extern Lisp_Object find_symbol_value
P_ ((Lisp_Object
));
2206 EXFUN (Fdefault_value
, 1);
2207 EXFUN (Fset_default
, 2);
2208 EXFUN (Fdefault_boundp
, 1);
2209 EXFUN (Fmake_local_variable
, 1);
2210 EXFUN (Flocal_variable_p
, 2);
2211 EXFUN (Flocal_variable_if_set_p
, 2);
2216 EXFUN (Fstring_to_number
, 2);
2217 EXFUN (Fnumber_to_string
, 1);
2218 EXFUN (Feqlsign
, 2);
2225 EXFUN (Fplus
, MANY
);
2226 EXFUN (Fminus
, MANY
);
2227 EXFUN (Ftimes
, MANY
);
2232 EXFUN (Flogand
, MANY
);
2233 EXFUN (Flogior
, MANY
);
2234 EXFUN (Flogxor
, MANY
);
2241 EXFUN (Fmake_variable_buffer_local
, 1);
2243 extern Lisp_Object indirect_variable
P_ ((Lisp_Object
));
2244 extern Lisp_Object long_to_cons
P_ ((unsigned long));
2245 extern unsigned long cons_to_long
P_ ((Lisp_Object
));
2246 extern void args_out_of_range
P_ ((Lisp_Object
, Lisp_Object
)) NO_RETURN
;
2247 extern void args_out_of_range_3
P_ ((Lisp_Object
, Lisp_Object
,
2248 Lisp_Object
)) NO_RETURN
;
2249 extern Lisp_Object wrong_type_argument
P_ ((Lisp_Object
, Lisp_Object
)) NO_RETURN
;
2250 extern void store_symval_forwarding
P_ ((Lisp_Object
, Lisp_Object
,
2251 Lisp_Object
, struct buffer
*));
2252 extern Lisp_Object do_symval_forwarding
P_ ((Lisp_Object
));
2253 extern Lisp_Object set_internal
P_ ((Lisp_Object
, Lisp_Object
, struct buffer
*, int));
2254 extern void syms_of_data
P_ ((void));
2255 extern void init_data
P_ ((void));
2256 extern void swap_in_global_binding
P_ ((Lisp_Object
));
2258 /* Defined in cmds.c */
2259 EXFUN (Fend_of_line
, 1);
2260 EXFUN (Fforward_char
, 1);
2261 EXFUN (Fforward_line
, 1);
2262 extern int internal_self_insert
P_ ((int, int));
2263 extern void syms_of_cmds
P_ ((void));
2264 extern void keys_of_cmds
P_ ((void));
2266 /* Defined in coding.c */
2267 EXFUN (Fcoding_system_p
, 1);
2268 EXFUN (Fcheck_coding_system
, 1);
2269 EXFUN (Fread_coding_system
, 2);
2270 EXFUN (Fread_non_nil_coding_system
, 1);
2271 EXFUN (Ffind_operation_coding_system
, MANY
);
2272 EXFUN (Fupdate_coding_systems_internal
, 0);
2273 EXFUN (Fencode_coding_string
, 3);
2274 EXFUN (Fdecode_coding_string
, 3);
2275 extern Lisp_Object detect_coding_system
P_ ((const unsigned char *, int, int,
2277 extern void init_coding
P_ ((void));
2278 extern void init_coding_once
P_ ((void));
2279 extern void syms_of_coding
P_ ((void));
2280 extern Lisp_Object code_convert_string_norecord
P_ ((Lisp_Object
, Lisp_Object
,
2283 /* Defined in charset.c */
2284 extern EMACS_INT nonascii_insert_offset
;
2285 extern Lisp_Object Vnonascii_translation_table
;
2286 EXFUN (Fchar_bytes
, 1);
2287 EXFUN (Fchar_width
, 1);
2288 EXFUN (Fstring
, MANY
);
2289 extern int chars_in_text
P_ ((const unsigned char *, int));
2290 extern int multibyte_chars_in_text
P_ ((const unsigned char *, int));
2291 extern int unibyte_char_to_multibyte
P_ ((int));
2292 extern int multibyte_char_to_unibyte
P_ ((int, Lisp_Object
));
2293 extern Lisp_Object Qcharset
;
2294 extern void init_charset_once
P_ ((void));
2295 extern void syms_of_charset
P_ ((void));
2297 /* Defined in syntax.c */
2298 EXFUN (Fforward_word
, 1);
2299 EXFUN (Fskip_chars_forward
, 2);
2300 EXFUN (Fskip_chars_backward
, 2);
2301 EXFUN (Fsyntax_table_p
, 1);
2302 EXFUN (Fsyntax_table
, 0);
2303 EXFUN (Fset_syntax_table
, 1);
2304 extern void init_syntax_once
P_ ((void));
2305 extern void syms_of_syntax
P_ ((void));
2307 /* Defined in fns.c */
2308 extern int use_dialog_box
;
2309 extern int next_almost_prime
P_ ((int));
2310 extern Lisp_Object larger_vector
P_ ((Lisp_Object
, int, Lisp_Object
));
2311 extern void sweep_weak_hash_tables
P_ ((void));
2312 extern Lisp_Object Qstring_lessp
;
2313 EXFUN (Foptimize_char_table
, 1);
2314 extern Lisp_Object Vfeatures
;
2315 extern Lisp_Object QCtest
, QCweakness
, Qequal
;
2316 unsigned sxhash
P_ ((Lisp_Object
, int));
2317 Lisp_Object make_hash_table
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
,
2318 Lisp_Object
, Lisp_Object
, Lisp_Object
,
2320 Lisp_Object copy_hash_table
P_ ((struct Lisp_Hash_Table
*));
2321 int hash_lookup
P_ ((struct Lisp_Hash_Table
*, Lisp_Object
, unsigned *));
2322 int hash_put
P_ ((struct Lisp_Hash_Table
*, Lisp_Object
, Lisp_Object
,
2324 void hash_remove
P_ ((struct Lisp_Hash_Table
*, Lisp_Object
));
2325 void hash_clear
P_ ((struct Lisp_Hash_Table
*));
2326 void remove_hash_entry
P_ ((struct Lisp_Hash_Table
*, int));
2327 extern void init_fns
P_ ((void));
2329 EXFUN (Fmake_hash_table
, MANY
);
2330 EXFUN (Fcopy_hash_table
, 1);
2331 EXFUN (Fhash_table_count
, 1);
2332 EXFUN (Fhash_table_rehash_size
, 1);
2333 EXFUN (Fhash_table_rehash_threshold
, 1);
2334 EXFUN (Fhash_table_size
, 1);
2335 EXFUN (Fhash_table_test
, 1);
2336 EXFUN (Fhash_table_weak
, 1);
2337 EXFUN (Fhash_table_p
, 1);
2338 EXFUN (Fclrhash
, 1);
2339 EXFUN (Fgethash
, 3);
2340 EXFUN (Fputhash
, 3);
2341 EXFUN (Fremhash
, 2);
2342 EXFUN (Fmaphash
, 2);
2343 EXFUN (Fdefine_hash_table_test
, 3);
2345 EXFUN (Fidentity
, 1);
2348 EXFUN (Fsafe_length
, 1);
2349 EXFUN (Fappend
, MANY
);
2350 EXFUN (Fconcat
, MANY
);
2351 EXFUN (Fvconcat
, MANY
);
2352 EXFUN (Fcopy_sequence
, 1);
2353 EXFUN (Fstring_make_multibyte
, 1);
2354 EXFUN (Fstring_make_unibyte
, 1);
2355 EXFUN (Fstring_as_multibyte
, 1);
2356 EXFUN (Fstring_as_unibyte
, 1);
2357 EXFUN (Fstring_to_multibyte
, 1);
2358 EXFUN (Fsubstring
, 3);
2359 extern Lisp_Object substring_both
P_ ((Lisp_Object
, int, int, int, int));
2371 EXFUN (Freverse
, 1);
2372 EXFUN (Fnreverse
, 1);
2376 EXFUN (Ffillarray
, 2);
2377 EXFUN (Fnconc
, MANY
);
2379 EXFUN (Fmapconcat
, 3);
2380 EXFUN (Fy_or_n_p
, 1);
2381 extern Lisp_Object do_yes_or_no_p
P_ ((Lisp_Object
));
2382 EXFUN (Frequire
, 3);
2383 EXFUN (Fprovide
, 2);
2384 extern Lisp_Object concat2
P_ ((Lisp_Object
, Lisp_Object
));
2385 extern Lisp_Object concat3
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
));
2386 extern Lisp_Object nconc2
P_ ((Lisp_Object
, Lisp_Object
));
2387 extern Lisp_Object assq_no_quit
P_ ((Lisp_Object
, Lisp_Object
));
2388 extern void clear_string_char_byte_cache
P_ ((void));
2389 extern int string_char_to_byte
P_ ((Lisp_Object
, int));
2390 extern int string_byte_to_char
P_ ((Lisp_Object
, int));
2391 extern Lisp_Object string_make_multibyte
P_ ((Lisp_Object
));
2392 extern Lisp_Object string_to_multibyte
P_ ((Lisp_Object
));
2393 extern Lisp_Object string_make_unibyte
P_ ((Lisp_Object
));
2394 EXFUN (Fcopy_alist
, 1);
2395 EXFUN (Fplist_get
, 2);
2396 EXFUN (Fplist_put
, 3);
2397 EXFUN (Fplist_member
, 2);
2398 EXFUN (Fset_char_table_parent
, 2);
2399 EXFUN (Fchar_table_extra_slot
, 2);
2400 EXFUN (Fset_char_table_extra_slot
, 3);
2402 EXFUN (Fstring_equal
, 2);
2403 EXFUN (Fcompare_strings
, 7);
2404 EXFUN (Fstring_lessp
, 2);
2405 extern int char_table_translate
P_ ((Lisp_Object
, int));
2406 extern void map_char_table
P_ ((void (*) (Lisp_Object
, Lisp_Object
, Lisp_Object
),
2407 Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, int,
2409 extern Lisp_Object char_table_ref_and_index
P_ ((Lisp_Object
, int, int *));
2410 extern void syms_of_fns
P_ ((void));
2412 /* Defined in floatfns.c */
2413 extern double extract_float
P_ ((Lisp_Object
));
2415 EXFUN (Ftruncate
, 2);
2416 extern void init_floatfns
P_ ((void));
2417 extern void syms_of_floatfns
P_ ((void));
2419 /* Defined in fringe.c */
2420 extern void syms_of_fringe
P_ ((void));
2421 extern void init_fringe
P_ ((void));
2422 extern void init_fringe_once
P_ ((void));
2424 /* Defined in image.c */
2425 EXFUN (Finit_image_library
, 2);
2426 extern void syms_of_image
P_ ((void));
2427 extern void init_image
P_ ((void));
2429 /* Defined in insdel.c */
2430 extern Lisp_Object Qinhibit_modification_hooks
;
2431 extern void move_gap
P_ ((int));
2432 extern void move_gap_both
P_ ((int, int));
2433 extern void make_gap
P_ ((int));
2434 extern int copy_text
P_ ((const unsigned char *, unsigned char *, int, int, int));
2435 extern int count_size_as_multibyte
P_ ((const unsigned char *, int));
2436 extern int count_combining_before
P_ ((const unsigned char *, int, int, int));
2437 extern int count_combining_after
P_ ((const unsigned char *, int, int, int));
2438 extern void insert
P_ ((const unsigned char *, int));
2439 extern void insert_and_inherit
P_ ((const unsigned char *, int));
2440 extern void insert_1
P_ ((const unsigned char *, int, int, int, int));
2441 extern void insert_1_both
P_ ((const unsigned char *, int, int, int, int, int));
2442 extern void insert_from_string
P_ ((Lisp_Object
, int, int, int, int, int));
2443 extern void insert_from_buffer
P_ ((struct buffer
*, int, int, int));
2444 extern void insert_char
P_ ((int));
2445 extern void insert_string
P_ ((const char *));
2446 extern void insert_before_markers
P_ ((const unsigned char *, int));
2447 extern void insert_before_markers_and_inherit
P_ ((const unsigned char *, int));
2448 extern void insert_from_string_before_markers
P_ ((Lisp_Object
, int, int, int, int, int));
2449 extern void del_range
P_ ((int, int));
2450 extern Lisp_Object del_range_1
P_ ((int, int, int, int));
2451 extern void del_range_byte
P_ ((int, int, int));
2452 extern void del_range_both
P_ ((int, int, int, int, int));
2453 extern Lisp_Object del_range_2
P_ ((int, int, int, int, int));
2454 extern void modify_region
P_ ((struct buffer
*, int, int));
2455 extern void prepare_to_modify_buffer
P_ ((int, int, int *));
2456 extern void signal_before_change
P_ ((int, int, int *));
2457 extern void signal_after_change
P_ ((int, int, int));
2458 extern void adjust_after_replace
P_ ((int, int, Lisp_Object
, int, int));
2459 extern void adjust_after_replace_noundo
P_ ((int, int, int, int, int, int));
2460 extern void adjust_after_insert
P_ ((int, int, int, int, int));
2461 extern void replace_range
P_ ((int, int, Lisp_Object
, int, int, int));
2462 extern void replace_range_2
P_ ((int, int, int, int, char *, int, int, int));
2463 extern void syms_of_insdel
P_ ((void));
2465 /* Defined in dispnew.c */
2466 extern Lisp_Object selected_frame
;
2467 extern EMACS_INT baud_rate
;
2469 EXFUN (Fredraw_frame
, 1);
2470 EXFUN (Fredraw_display
, 0);
2471 EXFUN (Fsleep_for
, 2);
2472 EXFUN (Fsit_for
, 3);
2473 extern Lisp_Object sit_for
P_ ((int, int, int, int, int));
2474 extern void init_display
P_ ((void));
2475 extern void syms_of_display
P_ ((void));
2476 extern void safe_bcopy
P_ ((const char *, char *, int));
2478 /* Defined in xdisp.c */
2479 extern Lisp_Object Qinhibit_point_motion_hooks
;
2480 extern Lisp_Object Qinhibit_redisplay
, Qdisplay
;
2481 extern Lisp_Object Qinhibit_eval_during_redisplay
;
2482 extern Lisp_Object Qmessage_truncate_lines
;
2483 extern Lisp_Object Qimage
;
2484 extern Lisp_Object Vmessage_log_max
;
2485 extern int message_enable_multibyte
;
2486 extern Lisp_Object echo_area_buffer
[2];
2487 extern void check_message_stack
P_ ((void));
2488 extern void setup_echo_area_for_printing
P_ ((int));
2489 extern int push_message
P_ ((void));
2490 extern Lisp_Object pop_message_unwind
P_ ((Lisp_Object
));
2491 extern Lisp_Object restore_message_unwind
P_ ((Lisp_Object
));
2492 extern void pop_message
P_ ((void));
2493 extern void restore_message
P_ ((void));
2494 extern Lisp_Object current_message
P_ ((void));
2495 extern void set_message
P_ ((const char *s
, Lisp_Object
, int, int));
2496 extern void clear_message
P_ ((int, int));
2497 extern void message
P_ ((/* char *, ... */));
2498 extern void message_nolog
P_ ((/* char *, ... */));
2499 extern void message1
P_ ((char *));
2500 extern void message1_nolog
P_ ((char *));
2501 extern void message2
P_ ((const char *, int, int));
2502 extern void message2_nolog
P_ ((const char *, int, int));
2503 extern void message3
P_ ((Lisp_Object
, int, int));
2504 extern void message3_nolog
P_ ((Lisp_Object
, int, int));
2505 extern void message_dolog
P_ ((const char *, int, int, int));
2506 extern void message_with_string
P_ ((char *, Lisp_Object
, int));
2507 extern void message_log_maybe_newline
P_ ((void));
2508 extern void update_echo_area
P_ ((void));
2509 extern void truncate_echo_area
P_ ((int));
2510 extern void redisplay
P_ ((void));
2511 extern int check_point_in_composition
2512 P_ ((struct buffer
*, int, struct buffer
*, int));
2513 extern void redisplay_preserve_echo_area
P_ ((int));
2514 extern void prepare_menu_bars
P_ ((void));
2516 void set_frame_cursor_types
P_ ((struct frame
*, Lisp_Object
));
2517 extern void syms_of_xdisp
P_ ((void));
2518 extern void init_xdisp
P_ ((void));
2519 extern Lisp_Object safe_eval
P_ ((Lisp_Object
));
2520 extern int pos_visible_p
P_ ((struct window
*, int, int *,
2521 int *, int *, int *, int));
2523 /* Defined in vm-limit.c. */
2524 extern void memory_warnings
P_ ((POINTER_TYPE
*, void (*warnfun
) ()));
2526 /* Defined in alloc.c */
2527 extern void check_pure_size
P_ ((void));
2528 extern void allocate_string_data
P_ ((struct Lisp_String
*, int, int));
2529 extern void reset_malloc_hooks
P_ ((void));
2530 extern void uninterrupt_malloc
P_ ((void));
2531 extern void malloc_warning
P_ ((char *));
2532 extern void memory_full
P_ ((void));
2533 extern void buffer_memory_full
P_ ((void));
2534 extern int survives_gc_p
P_ ((Lisp_Object
));
2535 extern void mark_object
P_ ((Lisp_Object
));
2536 extern Lisp_Object Vpurify_flag
;
2537 extern Lisp_Object Vmemory_full
;
2543 EXFUN (Flist
, MANY
);
2544 EXFUN (Fmake_list
, 2);
2545 extern Lisp_Object allocate_misc
P_ ((void));
2546 EXFUN (Fmake_vector
, 2);
2547 EXFUN (Fvector
, MANY
);
2548 EXFUN (Fmake_symbol
, 1);
2549 EXFUN (Fmake_marker
, 0);
2550 EXFUN (Fmake_string
, 2);
2551 extern Lisp_Object build_string
P_ ((const char *));
2552 extern Lisp_Object make_string
P_ ((const char *, int));
2553 extern Lisp_Object make_unibyte_string
P_ ((const char *, int));
2554 extern Lisp_Object make_multibyte_string
P_ ((const char *, int, int));
2555 extern Lisp_Object make_event_array
P_ ((int, Lisp_Object
*));
2556 extern Lisp_Object make_uninit_string
P_ ((int));
2557 extern Lisp_Object make_uninit_multibyte_string
P_ ((int, int));
2558 extern Lisp_Object make_string_from_bytes
P_ ((const char *, int, int));
2559 extern Lisp_Object make_specified_string
P_ ((const char *, int, int, int));
2560 EXFUN (Fpurecopy
, 1);
2561 extern Lisp_Object make_pure_string
P_ ((char *, int, int, int));
2562 extern Lisp_Object pure_cons
P_ ((Lisp_Object
, Lisp_Object
));
2563 extern Lisp_Object make_pure_vector
P_ ((EMACS_INT
));
2564 EXFUN (Fgarbage_collect
, 0);
2565 EXFUN (Fmake_byte_code
, MANY
);
2566 EXFUN (Fmake_bool_vector
, 2);
2567 EXFUN (Fmake_char_table
, 2);
2568 extern Lisp_Object make_sub_char_table
P_ ((Lisp_Object
));
2569 extern Lisp_Object Qchar_table_extra_slots
;
2570 extern struct Lisp_Vector
*allocate_vector
P_ ((EMACS_INT
));
2571 extern struct Lisp_Vector
*allocate_other_vector
P_ ((EMACS_INT
));
2572 extern struct Lisp_Hash_Table
*allocate_hash_table
P_ ((void));
2573 extern struct window
*allocate_window
P_ ((void));
2574 extern struct frame
*allocate_frame
P_ ((void));
2575 extern struct Lisp_Process
*allocate_process
P_ ((void));
2576 extern int gc_in_progress
;
2577 extern int abort_on_gc
;
2578 extern Lisp_Object make_float
P_ ((double));
2579 extern void display_malloc_warning
P_ ((void));
2580 extern int inhibit_garbage_collection
P_ ((void));
2581 extern Lisp_Object make_save_value
P_ ((void *, int));
2582 extern void free_misc
P_ ((Lisp_Object
));
2583 extern void free_marker
P_ ((Lisp_Object
));
2584 extern void free_cons
P_ ((struct Lisp_Cons
*));
2585 extern void init_alloc_once
P_ ((void));
2586 extern void init_alloc
P_ ((void));
2587 extern void syms_of_alloc
P_ ((void));
2588 extern struct buffer
* allocate_buffer
P_ ((void));
2589 extern int valid_lisp_object_p
P_ ((Lisp_Object
));
2591 /* Defined in print.c */
2592 extern Lisp_Object Vprin1_to_string_buffer
;
2593 extern void debug_print
P_ ((Lisp_Object
));
2595 EXFUN (Fprin1_to_string
, 2);
2599 EXFUN (Ferror_message_string
, 1);
2600 extern Lisp_Object Vstandard_output
, Qstandard_output
;
2601 extern Lisp_Object Qexternal_debugging_output
;
2602 extern void temp_output_buffer_setup
P_ ((const char *));
2603 extern int print_level
, print_escape_newlines
;
2604 extern Lisp_Object Qprint_escape_newlines
;
2605 extern void write_string
P_ ((char *, int));
2606 extern void write_string_1
P_ ((char *, int, Lisp_Object
));
2607 extern void print_error_message
P_ ((Lisp_Object
, Lisp_Object
, char *, Lisp_Object
));
2608 extern Lisp_Object internal_with_output_to_temp_buffer
2609 P_ ((const char *, Lisp_Object (*) (Lisp_Object
), Lisp_Object
));
2610 extern void float_to_string
P_ ((unsigned char *, double));
2611 extern void syms_of_print
P_ ((void));
2613 /* Defined in doprnt.c */
2614 extern int doprnt
P_ ((char *, int, char *, char *, int, char **));
2615 extern int doprnt_lisp
P_ ((char *, int, char *, char *, int, char **));
2617 /* Defined in lread.c */
2618 extern Lisp_Object Qvariable_documentation
, Qstandard_input
;
2619 extern Lisp_Object Vobarray
, initial_obarray
, Vstandard_input
;
2621 EXFUN (Fread_from_string
, 3);
2623 EXFUN (Fintern_soft
, 2);
2625 EXFUN (Fget_load_suffixes
, 0);
2626 EXFUN (Fget_file_char
, 0);
2627 EXFUN (Fread_char
, 2);
2628 EXFUN (Fread_event
, 2);
2629 extern Lisp_Object read_filtered_event
P_ ((int, int, int, int));
2630 EXFUN (Feval_region
, 4);
2631 extern Lisp_Object intern
P_ ((const char *));
2632 extern Lisp_Object make_symbol
P_ ((char *));
2633 extern Lisp_Object oblookup
P_ ((Lisp_Object
, const char *, int, int));
2634 #define LOADHIST_ATTACH(x) \
2635 if (initialized) Vcurrent_load_list = Fcons (x, Vcurrent_load_list)
2636 extern Lisp_Object Vcurrent_load_list
;
2637 extern Lisp_Object Vload_history
, Vload_suffixes
, Vload_file_rep_suffixes
;
2638 extern int openp
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
,
2639 Lisp_Object
*, Lisp_Object
));
2640 extern int isfloat_string
P_ ((char *));
2641 extern void map_obarray
P_ ((Lisp_Object
, void (*) (Lisp_Object
, Lisp_Object
),
2643 extern void dir_warning
P_ ((char *, Lisp_Object
));
2644 extern void close_load_descs
P_ ((void));
2645 extern void init_obarray
P_ ((void));
2646 extern void init_lread
P_ ((void));
2647 extern void syms_of_lread
P_ ((void));
2649 /* Defined in eval.c */
2650 extern Lisp_Object Qautoload
, Qexit
, Qinteractive
, Qcommandp
, Qdefun
, Qmacro
;
2651 extern Lisp_Object Vinhibit_quit
, Qinhibit_quit
, Vquit_flag
;
2652 extern Lisp_Object Vautoload_queue
;
2653 extern Lisp_Object Vdebug_on_error
;
2654 extern Lisp_Object Vsignaling_function
;
2655 extern int handling_signal
;
2656 extern int interactive_p
P_ ((int));
2658 /* To run a normal hook, use the appropriate function from the list below.
2659 The calling convention:
2661 if (!NILP (Vrun_hooks))
2662 call1 (Vrun_hooks, Qmy_funny_hook);
2664 should no longer be used. */
2665 extern Lisp_Object Vrun_hooks
;
2666 EXFUN (Frun_hooks
, MANY
);
2667 EXFUN (Frun_hook_with_args
, MANY
);
2668 EXFUN (Frun_hook_with_args_until_success
, MANY
);
2669 EXFUN (Frun_hook_with_args_until_failure
, MANY
);
2670 extern Lisp_Object run_hook_list_with_args
P_ ((Lisp_Object
, int, Lisp_Object
*));
2671 extern void run_hook_with_args_2
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
));
2672 EXFUN (Fand
, UNEVALLED
);
2673 EXFUN (For
, UNEVALLED
);
2674 EXFUN (Fif
, UNEVALLED
);
2675 EXFUN (Fprogn
, UNEVALLED
);
2676 EXFUN (Fprog1
, UNEVALLED
);
2677 EXFUN (Fprog2
, UNEVALLED
);
2678 EXFUN (Fsetq
, UNEVALLED
);
2679 EXFUN (Fquote
, UNEVALLED
);
2680 EXFUN (Fuser_variable_p
, 1);
2681 EXFUN (Finteractive_p
, 0);
2682 EXFUN (Fdefun
, UNEVALLED
);
2683 EXFUN (Flet
, UNEVALLED
);
2684 EXFUN (FletX
, UNEVALLED
);
2685 EXFUN (Fwhile
, UNEVALLED
);
2686 EXFUN (Fcatch
, UNEVALLED
);
2687 EXFUN (Fthrow
, 2) NO_RETURN
;
2688 EXFUN (Funwind_protect
, UNEVALLED
);
2689 EXFUN (Fcondition_case
, UNEVALLED
);
2691 EXFUN (Fautoload
, 5);
2692 EXFUN (Fcommandp
, 2);
2694 EXFUN (Fapply
, MANY
);
2695 EXFUN (Ffuncall
, MANY
);
2696 EXFUN (Fbacktrace
, 0);
2697 extern Lisp_Object apply1
P_ ((Lisp_Object
, Lisp_Object
));
2698 extern Lisp_Object call0
P_ ((Lisp_Object
));
2699 extern Lisp_Object call1
P_ ((Lisp_Object
, Lisp_Object
));
2700 extern Lisp_Object call2
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
));
2701 extern Lisp_Object call3
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
));
2702 extern Lisp_Object call4
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
));
2703 extern Lisp_Object call5
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
));
2704 extern Lisp_Object call6
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
));
2705 EXFUN (Fdo_auto_save
, 2);
2706 extern Lisp_Object apply_lambda
P_ ((Lisp_Object
, Lisp_Object
, int));
2707 extern Lisp_Object internal_catch
P_ ((Lisp_Object
, Lisp_Object (*) (Lisp_Object
), Lisp_Object
));
2708 extern Lisp_Object internal_lisp_condition_case
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
));
2709 extern Lisp_Object internal_condition_case
P_ ((Lisp_Object (*) (void), Lisp_Object
, Lisp_Object (*) (Lisp_Object
)));
2710 extern Lisp_Object internal_condition_case_1
P_ ((Lisp_Object (*) (Lisp_Object
), Lisp_Object
, Lisp_Object
, Lisp_Object (*) (Lisp_Object
)));
2711 extern Lisp_Object internal_condition_case_2
P_ ((Lisp_Object (*) (int, Lisp_Object
*), int, Lisp_Object
*, Lisp_Object
, Lisp_Object (*) (Lisp_Object
)));
2712 extern void specbind
P_ ((Lisp_Object
, Lisp_Object
));
2713 extern void record_unwind_protect
P_ ((Lisp_Object (*) (Lisp_Object
), Lisp_Object
));
2714 extern Lisp_Object unbind_to
P_ ((int, Lisp_Object
));
2715 extern void error
P_ ((/* char *, ... */)) NO_RETURN
;
2716 extern void do_autoload
P_ ((Lisp_Object
, Lisp_Object
));
2717 extern Lisp_Object un_autoload
P_ ((Lisp_Object
));
2718 EXFUN (Ffetch_bytecode
, 1);
2719 extern void init_eval_once
P_ ((void));
2720 extern Lisp_Object safe_call
P_ ((int, Lisp_Object
*));
2721 extern Lisp_Object safe_call1
P_ ((Lisp_Object
, Lisp_Object
));
2722 extern void init_eval
P_ ((void));
2723 extern void syms_of_eval
P_ ((void));
2725 /* Defined in editfns.c */
2726 EXFUN (Fpropertize
, MANY
);
2727 EXFUN (Fcurrent_message
, 0);
2728 EXFUN (Fgoto_char
, 1);
2729 EXFUN (Fpoint_min_marker
, 0);
2730 EXFUN (Fpoint_max_marker
, 0);
2731 EXFUN (Fpoint_min
, 0);
2732 EXFUN (Fpoint_max
, 0);
2734 EXFUN (Fpoint_marker
, 0);
2735 EXFUN (Fmark_marker
, 0);
2736 EXFUN (Fline_beginning_position
, 1);
2737 EXFUN (Fline_end_position
, 1);
2738 EXFUN (Ffollowing_char
, 0);
2739 EXFUN (Fprevious_char
, 0);
2740 EXFUN (Fchar_after
, 1);
2741 EXFUN (Finsert
, MANY
);
2742 EXFUN (Finsert_and_inherit
, MANY
);
2743 EXFUN (Finsert_before_markers
, MANY
);
2744 EXFUN (Finsert_buffer_substring
, 3);
2745 EXFUN (Finsert_char
, 3);
2746 extern void insert1
P_ ((Lisp_Object
));
2751 EXFUN (Fformat
, MANY
);
2752 EXFUN (Fmessage
, MANY
);
2753 extern Lisp_Object format2
P_ ((char *, Lisp_Object
, Lisp_Object
));
2754 EXFUN (Fbuffer_substring
, 2);
2755 EXFUN (Fbuffer_string
, 0);
2756 extern Lisp_Object save_excursion_save
P_ ((void));
2757 extern Lisp_Object save_restriction_save
P_ ((void));
2758 extern Lisp_Object save_excursion_restore
P_ ((Lisp_Object
));
2759 extern Lisp_Object save_restriction_restore
P_ ((Lisp_Object
));
2760 EXFUN (Fchar_to_string
, 1);
2761 EXFUN (Fdelete_region
, 2);
2762 EXFUN (Fnarrow_to_region
, 2);
2764 EXFUN (Fuser_login_name
, 1);
2765 EXFUN (Fsystem_name
, 0);
2766 EXFUN (Fcurrent_time
, 0);
2767 extern int clip_to_bounds
P_ ((int, int, int));
2768 extern Lisp_Object make_buffer_string
P_ ((int, int, int));
2769 extern Lisp_Object make_buffer_string_both
P_ ((int, int, int, int, int));
2770 extern void init_editfns
P_ ((void));
2771 extern void syms_of_editfns
P_ ((void));
2772 extern Lisp_Object Vinhibit_field_text_motion
;
2773 EXFUN (Fconstrain_to_field
, 5);
2774 EXFUN (Ffield_string
, 1);
2775 EXFUN (Fdelete_field
, 1);
2776 EXFUN (Ffield_beginning
, 3);
2777 EXFUN (Ffield_end
, 3);
2778 EXFUN (Ffield_string_no_properties
, 1);
2779 extern void set_time_zone_rule
P_ ((char *));
2781 /* defined in buffer.c */
2782 extern int mouse_face_overlay_overlaps
P_ ((Lisp_Object
));
2783 extern void nsberror
P_ ((Lisp_Object
));
2784 extern char *no_switch_window
P_ ((Lisp_Object window
));
2785 EXFUN (Fset_buffer_multibyte
, 1);
2786 EXFUN (Foverlay_start
, 1);
2787 EXFUN (Foverlay_end
, 1);
2788 extern void adjust_overlays_for_insert
P_ ((EMACS_INT
, EMACS_INT
));
2789 extern void adjust_overlays_for_delete
P_ ((EMACS_INT
, EMACS_INT
));
2790 extern void fix_start_end_in_overlays
P_ ((int, int));
2791 extern void report_overlay_modification
P_ ((Lisp_Object
, Lisp_Object
, int,
2792 Lisp_Object
, Lisp_Object
, Lisp_Object
));
2793 extern int overlay_touches_p
P_ ((int));
2794 extern Lisp_Object Vbuffer_alist
, Vinhibit_read_only
;
2795 EXFUN (Fget_buffer
, 1);
2796 EXFUN (Fget_buffer_create
, 1);
2797 EXFUN (Fset_buffer
, 1);
2798 EXFUN (set_buffer_if_live
, 1);
2799 EXFUN (Fbarf_if_buffer_read_only
, 0);
2800 EXFUN (Fcurrent_buffer
, 0);
2801 EXFUN (Fswitch_to_buffer
, 2);
2802 EXFUN (Fpop_to_buffer
, 3);
2803 EXFUN (Fother_buffer
, 3);
2804 EXFUN (Foverlay_get
, 2);
2805 EXFUN (Fbuffer_modified_p
, 1);
2806 EXFUN (Fset_buffer_modified_p
, 1);
2807 EXFUN (Fkill_buffer
, 1);
2808 EXFUN (Fkill_all_local_variables
, 0);
2809 EXFUN (Fbuffer_disable_undo
, 1);
2810 EXFUN (Fbuffer_enable_undo
, 1);
2811 EXFUN (Ferase_buffer
, 0);
2812 extern Lisp_Object Qoverlayp
;
2813 extern Lisp_Object Qevaporate
;
2814 extern Lisp_Object get_truename_buffer
P_ ((Lisp_Object
));
2815 extern struct buffer
*all_buffers
;
2816 EXFUN (Fprevious_overlay_change
, 1);
2817 EXFUN (Fbuffer_file_name
, 1);
2818 extern void init_buffer_once
P_ ((void));
2819 extern void init_buffer
P_ ((void));
2820 extern void syms_of_buffer
P_ ((void));
2821 extern void keys_of_buffer
P_ ((void));
2823 /* defined in marker.c */
2825 EXFUN (Fmarker_position
, 1);
2826 EXFUN (Fmarker_buffer
, 1);
2827 EXFUN (Fcopy_marker
, 2);
2828 EXFUN (Fset_marker
, 3);
2829 extern int marker_position
P_ ((Lisp_Object
));
2830 extern int marker_byte_position
P_ ((Lisp_Object
));
2831 extern void clear_charpos_cache
P_ ((struct buffer
*));
2832 extern int charpos_to_bytepos
P_ ((int));
2833 extern int buf_charpos_to_bytepos
P_ ((struct buffer
*, int));
2834 extern int buf_bytepos_to_charpos
P_ ((struct buffer
*, int));
2835 extern void unchain_marker
P_ ((struct Lisp_Marker
*marker
));
2836 extern Lisp_Object set_marker_restricted
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
));
2837 extern Lisp_Object set_marker_both
P_ ((Lisp_Object
, Lisp_Object
, int, int));
2838 extern Lisp_Object set_marker_restricted_both
P_ ((Lisp_Object
, Lisp_Object
,
2840 extern void syms_of_marker
P_ ((void));
2842 /* Defined in fileio.c */
2844 extern Lisp_Object Qfile_error
;
2845 EXFUN (Ffind_file_name_handler
, 2);
2846 EXFUN (Ffile_name_as_directory
, 1);
2847 EXFUN (Fmake_temp_name
, 1);
2848 EXFUN (Fexpand_file_name
, 2);
2849 EXFUN (Ffile_name_nondirectory
, 1);
2850 EXFUN (Fsubstitute_in_file_name
, 1);
2851 EXFUN (Ffile_symlink_p
, 1);
2852 EXFUN (Fverify_visited_file_modtime
, 1);
2853 EXFUN (Ffile_exists_p
, 1);
2854 EXFUN (Ffile_name_absolute_p
, 1);
2855 EXFUN (Fdirectory_file_name
, 1);
2856 EXFUN (Ffile_name_directory
, 1);
2857 extern Lisp_Object expand_and_dir_to_file
P_ ((Lisp_Object
, Lisp_Object
));
2858 EXFUN (Ffile_accessible_directory_p
, 1);
2859 EXFUN (Funhandled_file_name_directory
, 1);
2860 EXFUN (Ffile_directory_p
, 1);
2861 EXFUN (Fwrite_region
, 7);
2862 EXFUN (Ffile_readable_p
, 1);
2863 EXFUN (Ffile_executable_p
, 1);
2864 EXFUN (Fread_file_name
, 6);
2865 extern Lisp_Object close_file_unwind
P_ ((Lisp_Object
));
2866 extern void report_file_error
P_ ((const char *, Lisp_Object
)) NO_RETURN
;
2867 extern int internal_delete_file
P_ ((Lisp_Object
));
2868 extern void syms_of_fileio
P_ ((void));
2869 extern void init_fileio_once
P_ ((void));
2870 extern Lisp_Object make_temp_name
P_ ((Lisp_Object
, int));
2871 EXFUN (Fmake_symbolic_link
, 3);
2873 /* Defined in abbrev.c */
2875 extern void syms_of_abbrev
P_ ((void));
2877 /* defined in search.c */
2878 extern void shrink_regexp_cache
P_ ((void));
2879 EXFUN (Fstring_match
, 3);
2880 extern void restore_search_regs
P_ ((void));
2881 EXFUN (Fmatch_data
, 3);
2882 EXFUN (Fset_match_data
, 2);
2883 EXFUN (Fmatch_beginning
, 1);
2884 EXFUN (Fmatch_end
, 1);
2885 extern void record_unwind_save_match_data
P_ ((void));
2886 EXFUN (Flooking_at
, 1);
2887 extern int fast_string_match
P_ ((Lisp_Object
, Lisp_Object
));
2888 extern int fast_c_string_match_ignore_case
P_ ((Lisp_Object
, const char *));
2889 extern int fast_string_match_ignore_case
P_ ((Lisp_Object
, Lisp_Object
));
2890 extern int scan_buffer
P_ ((int, int, int, int, int *, int));
2891 extern int scan_newline
P_ ((int, int, int, int, int, int));
2892 extern int find_next_newline
P_ ((int, int));
2893 extern int find_next_newline_no_quit
P_ ((int, int));
2894 extern int find_before_next_newline
P_ ((int, int, int));
2895 extern void syms_of_search
P_ ((void));
2897 /* defined in minibuf.c */
2899 extern Lisp_Object last_minibuf_string
;
2900 extern void choose_minibuf_frame
P_ ((void));
2901 EXFUN (Fcompleting_read
, 8);
2902 EXFUN (Fread_from_minibuffer
, 8);
2903 EXFUN (Fread_variable
, 2);
2904 EXFUN (Fread_buffer
, 3);
2905 EXFUN (Fread_minibuffer
, 2);
2906 EXFUN (Feval_minibuffer
, 2);
2907 EXFUN (Fread_string
, 5);
2908 EXFUN (Fread_no_blanks_input
, 3);
2909 extern Lisp_Object get_minibuffer
P_ ((int));
2910 extern void temp_echo_area_glyphs
P_ ((Lisp_Object
));
2911 extern void init_minibuf_once
P_ ((void));
2912 extern void syms_of_minibuf
P_ ((void));
2913 extern void keys_of_minibuf
P_ ((void));
2915 /* Defined in callint.c */
2917 extern Lisp_Object Qminus
, Qplus
, Vcurrent_prefix_arg
;
2918 extern Lisp_Object Vcommand_history
;
2919 extern Lisp_Object Qcall_interactively
, Qmouse_leave_buffer_hook
;
2920 EXFUN (Fcall_interactively
, 3);
2921 EXFUN (Fprefix_numeric_value
, 1);
2922 extern void syms_of_callint
P_ ((void));
2924 /* defined in casefiddle.c */
2926 EXFUN (Fdowncase
, 1);
2928 EXFUN (Fcapitalize
, 1);
2929 EXFUN (Fupcase_region
, 2);
2930 EXFUN (Fupcase_initials
, 1);
2931 EXFUN (Fupcase_initials_region
, 2);
2932 extern void syms_of_casefiddle
P_ ((void));
2933 extern void keys_of_casefiddle
P_ ((void));
2935 /* defined in casetab.c */
2937 EXFUN (Fset_case_table
, 1);
2938 EXFUN (Fset_standard_case_table
, 1);
2939 extern void init_casetab_once
P_ ((void));
2940 extern void syms_of_casetab
P_ ((void));
2942 /* defined in keyboard.c */
2945 extern Lisp_Object echo_message_buffer
;
2946 extern struct kboard
*echo_kboard
;
2947 extern void cancel_echoing
P_ ((void));
2948 extern Lisp_Object Qdisabled
, QCfilter
;
2949 extern Lisp_Object Vtty_erase_char
, Vhelp_form
, Vtop_level
;
2950 extern Lisp_Object Vthrow_on_input
;
2951 extern int input_pending
;
2952 EXFUN (Fdiscard_input
, 0);
2953 EXFUN (Frecursive_edit
, 0);
2954 EXFUN (Ftop_level
, 0);
2955 EXFUN (Fcommand_execute
, 4);
2956 EXFUN (Finput_pending_p
, 0);
2957 extern Lisp_Object menu_bar_items
P_ ((Lisp_Object
));
2958 extern Lisp_Object tool_bar_items
P_ ((Lisp_Object
, int *));
2959 extern Lisp_Object Qvertical_scroll_bar
;
2960 extern void discard_mouse_events
P_ ((void));
2961 EXFUN (Fevent_convert_list
, 1);
2962 EXFUN (Fread_key_sequence
, 5);
2963 EXFUN (Fset_input_mode
, 4);
2964 extern int detect_input_pending
P_ ((void));
2965 extern int detect_input_pending_ignore_squeezables
P_ ((void));
2966 extern int detect_input_pending_run_timers
P_ ((int));
2967 extern void safe_run_hooks
P_ ((Lisp_Object
));
2968 extern void cmd_error_internal
P_ ((Lisp_Object
, char *));
2969 extern Lisp_Object command_loop_1
P_ ((void));
2970 extern Lisp_Object recursive_edit_1
P_ ((void));
2971 extern void record_auto_save
P_ ((void));
2972 extern void init_keyboard
P_ ((void));
2973 extern void syms_of_keyboard
P_ ((void));
2974 extern void keys_of_keyboard
P_ ((void));
2975 extern char *push_key_description
P_ ((unsigned int, char *, int));
2978 /* defined in indent.c */
2979 EXFUN (Fvertical_motion
, 2);
2980 EXFUN (Findent_to
, 2);
2981 EXFUN (Fcurrent_column
, 0);
2982 EXFUN (Fmove_to_column
, 2);
2983 extern double current_column
P_ ((void));
2984 extern void invalidate_current_column
P_ ((void));
2985 extern int indented_beyond_p
P_ ((int, int, double));
2986 extern void syms_of_indent
P_ ((void));
2988 /* defined in frame.c */
2989 #ifdef HAVE_WINDOW_SYSTEM
2990 extern Lisp_Object Vx_resource_name
;
2991 extern Lisp_Object Vx_resource_class
;
2992 #endif /* HAVE_WINDOW_SYSTEM */
2993 extern Lisp_Object Qvisible
;
2994 extern void store_frame_param
P_ ((struct frame
*, Lisp_Object
, Lisp_Object
));
2995 extern void store_in_alist
P_ ((Lisp_Object
*, Lisp_Object
, Lisp_Object
));
2996 extern Lisp_Object do_switch_frame
P_ ((Lisp_Object
, int, int));
2997 extern Lisp_Object get_frame_param
P_ ((struct frame
*, Lisp_Object
));
2998 extern Lisp_Object frame_buffer_predicate
P_ ((Lisp_Object
));
3000 EXFUN (Fselect_frame
, 1);
3001 EXFUN (Fselected_frame
, 0);
3002 EXFUN (Fwindow_frame
, 1);
3003 EXFUN (Fframe_root_window
, 1);
3004 EXFUN (Fframe_first_window
, 1);
3005 EXFUN (Fframe_selected_window
, 1);
3006 EXFUN (Fframe_list
, 0);
3007 EXFUN (Fnext_frame
, 2);
3008 EXFUN (Fdelete_frame
, 2);
3009 EXFUN (Fset_mouse_position
, 3);
3010 EXFUN (Fmake_frame_visible
, 1);
3011 EXFUN (Fmake_frame_invisible
, 2);
3012 EXFUN (Ficonify_frame
, 1);
3013 EXFUN (Fframe_visible_p
, 1);
3014 EXFUN (Fvisible_frame_list
, 0);
3015 EXFUN (Fframe_parameter
, 2);
3016 EXFUN (Fframe_parameters
, 1);
3017 EXFUN (Fmodify_frame_parameters
, 2);
3018 EXFUN (Fset_frame_height
, 3);
3019 EXFUN (Fset_frame_width
, 3);
3020 EXFUN (Fset_frame_size
, 3);
3021 EXFUN (Fset_frame_position
, 3);
3022 EXFUN (Fraise_frame
, 1);
3023 EXFUN (Fredirect_frame_focus
, 2);
3024 EXFUN (Fset_frame_selected_window
, 2);
3025 extern Lisp_Object frame_buffer_list
P_ ((Lisp_Object
));
3026 extern void frames_discard_buffer
P_ ((Lisp_Object
));
3027 extern void set_frame_buffer_list
P_ ((Lisp_Object
, Lisp_Object
));
3028 extern void frames_bury_buffer
P_ ((Lisp_Object
));
3029 extern void syms_of_frame
P_ ((void));
3031 /* defined in emacs.c */
3032 extern Lisp_Object decode_env_path
P_ ((char *, char *));
3033 extern Lisp_Object Vinvocation_name
, Vinvocation_directory
;
3034 extern Lisp_Object Vinstallation_directory
, empty_string
;
3035 EXFUN (Fkill_emacs
, 1);
3037 void fixup_locale
P_ ((void));
3038 void synchronize_system_messages_locale
P_ ((void));
3039 void synchronize_system_time_locale
P_ ((void));
3041 #define setlocale(category, locale)
3042 #define fixup_locale()
3043 #define synchronize_system_messages_locale()
3044 #define synchronize_system_time_locale()
3046 void shut_down_emacs
P_ ((int, int, Lisp_Object
));
3047 /* Nonzero means don't do interactive redisplay and don't change tty modes */
3048 extern int noninteractive
;
3049 /* Nonzero means don't do use window-system-specific display code */
3050 extern int inhibit_window_system
;
3051 /* Nonzero means that a filter or a sentinel is running. */
3052 extern int running_asynch_code
;
3054 /* defined in process.c */
3055 EXFUN (Fget_process
, 1);
3056 EXFUN (Fget_buffer_process
, 1);
3057 EXFUN (Fprocessp
, 1);
3058 EXFUN (Fprocess_status
, 1);
3059 EXFUN (Fkill_process
, 2);
3060 EXFUN (Fprocess_send_eof
, 1);
3061 EXFUN (Fwaiting_for_user_input_p
, 0);
3062 extern Lisp_Object Qprocessp
;
3063 extern void kill_buffer_processes
P_ ((Lisp_Object
));
3064 extern int wait_reading_process_output
P_ ((int, int, int, int,
3066 struct Lisp_Process
*,
3068 extern void add_keyboard_wait_descriptor
P_ ((int));
3069 extern void delete_keyboard_wait_descriptor
P_ ((int));
3070 extern void close_process_descs
P_ ((void));
3071 extern void init_process
P_ ((void));
3072 extern void syms_of_process
P_ ((void));
3073 extern void setup_process_coding_systems
P_ ((Lisp_Object
));
3075 /* defined in callproc.c */
3076 extern Lisp_Object Vexec_path
, Vexec_suffixes
,
3077 Vexec_directory
, Vdata_directory
;
3078 extern Lisp_Object Vdoc_directory
;
3079 EXFUN (Fcall_process
, MANY
);
3080 extern int child_setup
P_ ((int, int, int, char **, int, Lisp_Object
));
3081 extern void init_callproc_1
P_ ((void));
3082 extern void init_callproc
P_ ((void));
3083 extern void set_process_environment
P_ ((void));
3084 extern void syms_of_callproc
P_ ((void));
3086 /* defined in doc.c */
3087 extern Lisp_Object Vdoc_file_name
;
3088 EXFUN (Fsubstitute_command_keys
, 1);
3089 EXFUN (Fdocumentation
, 2);
3090 EXFUN (Fdocumentation_property
, 3);
3091 extern Lisp_Object read_doc_string
P_ ((Lisp_Object
));
3092 extern Lisp_Object get_doc_string
P_ ((Lisp_Object
, int, int));
3093 extern void syms_of_doc
P_ ((void));
3094 extern int read_bytecode_char
P_ ((int));
3096 /* defined in bytecode.c */
3097 extern Lisp_Object Qbytecode
;
3098 EXFUN (Fbyte_code
, 3);
3099 extern void syms_of_bytecode
P_ ((void));
3100 extern struct byte_stack
*byte_stack_list
;
3101 extern void mark_byte_stack
P_ ((void));
3102 extern void unmark_byte_stack
P_ ((void));
3104 /* defined in macros.c */
3105 extern Lisp_Object Qexecute_kbd_macro
;
3106 EXFUN (Fexecute_kbd_macro
, 3);
3107 EXFUN (Fcancel_kbd_macro_events
, 0);
3108 extern void init_macros
P_ ((void));
3109 extern void syms_of_macros
P_ ((void));
3111 /* defined in undo.c */
3112 extern Lisp_Object Qinhibit_read_only
;
3113 EXFUN (Fundo_boundary
, 0);
3114 extern void truncate_undo_list
P_ ((struct buffer
*));
3115 extern void record_marker_adjustment
P_ ((Lisp_Object
, int));
3116 extern void record_insert
P_ ((int, int));
3117 extern void record_delete
P_ ((int, Lisp_Object
));
3118 extern void record_first_change
P_ ((void));
3119 extern void record_change
P_ ((int, int));
3120 extern void record_property_change
P_ ((int, int, Lisp_Object
, Lisp_Object
,
3122 extern void syms_of_undo
P_ ((void));
3123 extern Lisp_Object Vundo_outer_limit
;
3125 /* defined in textprop.c */
3126 extern Lisp_Object Qfont
, Qmouse_face
;
3127 extern Lisp_Object Qinsert_in_front_hooks
, Qinsert_behind_hooks
;
3128 EXFUN (Fnext_single_property_change
, 4);
3129 EXFUN (Fnext_single_char_property_change
, 4);
3130 EXFUN (Fprevious_single_property_change
, 4);
3131 EXFUN (Fput_text_property
, 5);
3132 EXFUN (Fprevious_char_property_change
, 2);
3133 EXFUN (Fnext_char_property_change
, 2);
3134 extern void report_interval_modification
P_ ((Lisp_Object
, Lisp_Object
));
3135 extern Lisp_Object next_single_char_property_change
P_ ((Lisp_Object
,
3140 /* defined in xmenu.c */
3141 EXFUN (Fx_popup_menu
, 2);
3142 EXFUN (Fx_popup_dialog
, 3);
3143 extern void syms_of_xmenu
P_ ((void));
3145 /* defined in sysdep.c */
3146 #ifndef HAVE_GET_CURRENT_DIR_NAME
3147 extern char *get_current_dir_name
P_ ((void));
3149 extern void stuff_char
P_ ((char c
));
3150 extern void init_sigio
P_ ((int));
3151 extern void request_sigio
P_ ((void));
3152 extern void unrequest_sigio
P_ ((void));
3153 extern void reset_sys_modes
P_ ((void));
3154 extern void sys_subshell
P_ ((void));
3155 extern void sys_suspend
P_ ((void));
3156 extern void discard_tty_input
P_ ((void));
3157 extern void init_sys_modes
P_ ((void));
3158 extern void get_frame_size
P_ ((int *, int *));
3159 extern void wait_for_termination
P_ ((int));
3160 extern void flush_pending_output
P_ ((int));
3161 extern void child_setup_tty
P_ ((int));
3162 extern void setup_pty
P_ ((int));
3163 extern int set_window_size
P_ ((int, int, int));
3164 extern void create_process
P_ ((Lisp_Object
, char **, Lisp_Object
));
3165 extern int tabs_safe_p
P_ ((void));
3166 extern void init_baud_rate
P_ ((void));
3167 extern int emacs_open
P_ ((const char *, int, int));
3168 extern int emacs_close
P_ ((int));
3169 extern int emacs_read
P_ ((int, char *, unsigned int));
3170 extern int emacs_write
P_ ((int, const char *, unsigned int));
3172 /* defined in filelock.c */
3173 EXFUN (Funlock_buffer
, 0);
3174 EXFUN (Ffile_locked_p
, 1);
3175 extern void unlock_all_files
P_ ((void));
3176 extern void lock_file
P_ ((Lisp_Object
));
3177 extern void unlock_file
P_ ((Lisp_Object
));
3178 extern void unlock_buffer
P_ ((struct buffer
*));
3179 extern void syms_of_filelock
P_ ((void));
3180 extern void init_filelock
P_ ((void));
3182 /* Defined in sound.c */
3183 extern void syms_of_sound
P_ ((void));
3184 extern void init_sound
P_ ((void));
3186 /* Defined in category.c */
3187 extern void init_category_once
P_ ((void));
3188 extern void syms_of_category
P_ ((void));
3190 /* Defined in ccl.c */
3191 extern void syms_of_ccl
P_ ((void));
3193 /* Defined in dired.c */
3194 EXFUN (Ffile_attributes
, 2);
3195 extern void syms_of_dired
P_ ((void));
3197 /* Defined in term.c */
3198 extern void syms_of_term
P_ ((void));
3199 extern void fatal () NO_RETURN
;
3201 #ifdef HAVE_X_WINDOWS
3202 /* Defined in fontset.c */
3203 extern void syms_of_fontset
P_ ((void));
3204 EXFUN (Fset_fontset_font
, 4);
3207 /* Defined in xfaces.c */
3208 extern void syms_of_xfaces
P_ ((void));
3210 #ifndef HAVE_GETLOADAVG
3211 /* Defined in getloadavg.c */
3212 extern int getloadavg
P_ ((double *, int));
3215 #ifdef HAVE_X_WINDOWS
3216 /* Defined in xfns.c */
3217 extern void syms_of_xfns
P_ ((void));
3218 #endif /* HAVE_X_WINDOWS */
3219 #ifdef HAVE_WINDOW_SYSTEM
3220 /* Defined in xfns.c, w32fns.c, or macfns.c */
3221 EXFUN (Fxw_display_color_p
, 1);
3222 EXFUN (Fx_file_dialog
, 5);
3223 #endif /* HAVE_WINDOW_SYSTEM */
3225 /* Defined in xsmfns.c */
3226 extern void syms_of_xsmfns
P_ ((void));
3228 /* Defined in xselect.c */
3229 extern void syms_of_xselect
P_ ((void));
3231 /* Defined in xterm.c */
3232 extern void syms_of_xterm
P_ ((void));
3235 /* Defined in msdos.c */
3236 EXFUN (Fmsdos_downcase_filename
, 1);
3239 /* Nonzero means Emacs has already been initialized.
3240 Used during startup to detect startup of dumped Emacs. */
3241 extern int initialized
;
3243 extern int immediate_quit
; /* Nonzero means ^G can quit instantly */
3245 extern POINTER_TYPE
*xmalloc
P_ ((size_t));
3246 extern POINTER_TYPE
*xrealloc
P_ ((POINTER_TYPE
*, size_t));
3247 extern void xfree
P_ ((POINTER_TYPE
*));
3249 extern char *xstrdup
P_ ((const char *));
3251 extern char *egetenv
P_ ((char *));
3253 /* Set up the name of the machine we're running on. */
3254 extern void init_system_name
P_ ((void));
3256 /* Some systems (e.g., NT) use a different path separator than Unix,
3257 in addition to a device separator. Default the path separator
3258 to '/', and don't test for a device separator in IS_ANY_SEP. */
3261 extern Lisp_Object Vdirectory_sep_char
;
3264 #ifndef DIRECTORY_SEP
3265 #define DIRECTORY_SEP '/'
3267 #ifndef IS_DIRECTORY_SEP
3268 #define IS_DIRECTORY_SEP(_c_) ((_c_) == DIRECTORY_SEP)
3270 #ifndef IS_DEVICE_SEP
3272 #define IS_DEVICE_SEP(_c_) 0
3274 #define IS_DEVICE_SEP(_c_) ((_c_) == DEVICE_SEP)
3278 #define IS_ANY_SEP(_c_) (IS_DIRECTORY_SEP (_c_))
3281 #ifdef SWITCH_ENUM_BUG
3282 #define SWITCH_ENUM_CAST(x) ((int)(x))
3284 #define SWITCH_ENUM_CAST(x) (x)
3287 /* Loop over Lisp list LIST. Signal an error if LIST is not a proper
3288 list, or if it contains circles.
3290 HARE and TORTOISE should be the names of Lisp_Object variables, and
3291 N should be the name of an EMACS_INT variable declared in the
3292 function where the macro is used. Each nested loop should use
3295 In the loop body, HARE is set to each cons of LIST, and N is the
3296 length of the list processed so far. */
3298 #define LIST_END_P(list, obj) \
3303 : (wrong_type_argument (Qlistp, (list))), 1))
3305 #define FOREACH(hare, list, tortoise, n) \
3306 for (tortoise = hare = (list), n = 0; \
3307 !LIST_END_P (list, hare); \
3308 (hare = XCDR (hare), ++n, \
3310 ? (tortoise = XCDR (tortoise), \
3311 (EQ (hare, tortoise) \
3312 && (circular_list_error ((list)), 1))) \
3315 /* The ubiquitous min and max macros. */
3321 #define min(a, b) ((a) < (b) ? (a) : (b))
3322 #define max(a, b) ((a) > (b) ? (a) : (b))
3324 /* Return a fixnum or float, depending on whether VAL fits in a Lisp
3327 #define make_fixnum_or_float(val) \
3328 (FIXNUM_OVERFLOW_P (val) \
3329 ? make_float (val) \
3330 : make_number ((EMACS_INT)(val)))
3333 /* Checks the `cycle check' variable CHECK to see if it indicates that
3334 EL is part of a cycle; CHECK must be either Qnil or a value returned
3335 by an earlier use of CYCLE_CHECK. SUSPICIOUS is the number of
3336 elements after which a cycle might be suspected; after that many
3337 elements, this macro begins consing in order to keep more precise
3340 Returns nil if a cycle was detected, otherwise a new value for CHECK
3343 CHECK is evaluated multiple times, EL and SUSPICIOUS 0 or 1 times, so
3344 the caller should make sure that's ok. */
3346 #define CYCLE_CHECK(check, el, suspicious) \
3349 : (INTEGERP (check) \
3350 ? (XFASTINT (check) < (suspicious) \
3351 ? make_number (XFASTINT (check) + 1) \
3352 : Fcons (el, Qnil)) \
3353 : (!NILP (Fmemq ((el), (check))) \
3355 : Fcons ((el), (check)))))
3358 /* SAFE_ALLOCA normally allocates memory on the stack, but if size is
3359 larger than MAX_ALLOCA, use xmalloc to avoid overflowing the stack. */
3361 #define MAX_ALLOCA 16*1024
3363 extern Lisp_Object
safe_alloca_unwind (Lisp_Object
);
3365 #define USE_SAFE_ALLOCA \
3366 int sa_count = SPECPDL_INDEX (), sa_must_free = 0
3368 /* SAFE_ALLOCA allocates a simple buffer. */
3370 #define SAFE_ALLOCA(buf, type, size) \
3372 if ((size) < MAX_ALLOCA) \
3373 buf = (type) alloca (size); \
3376 buf = (type) xmalloc (size); \
3378 record_unwind_protect (safe_alloca_unwind, \
3379 make_save_value (buf, 0)); \
3383 /* SAFE_FREE frees xmalloced memory and enables GC as needed. */
3385 #define SAFE_FREE() \
3387 if (sa_must_free) { \
3389 unbind_to (sa_count, Qnil); \
3394 /* SAFE_ALLOCA_LISP allocates an array of Lisp_Objects. */
3396 #define SAFE_ALLOCA_LISP(buf, nelt) \
3398 int size_ = (nelt) * sizeof (Lisp_Object); \
3399 if (size_ < MAX_ALLOCA) \
3400 buf = (Lisp_Object *) alloca (size_); \
3404 buf = (Lisp_Object *) xmalloc (size_); \
3405 arg_ = make_save_value (buf, nelt); \
3406 XSAVE_VALUE (arg_)->dogc = 1; \
3408 record_unwind_protect (safe_alloca_unwind, arg_); \
3413 #endif /* EMACS_LISP_H */
3415 /* arch-tag: 9b2ed020-70eb-47ac-94ee-e1c2a5107d5e
3416 (do not change this comment) */