1 /* Fundamental definitions for GNU Emacs Lisp interpreter.
2 Copyright (C) 1985-1987, 1993-1995, 1997-2011
3 Free Software Foundation, Inc.
5 This file is part of GNU Emacs.
7 GNU Emacs is free software: you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation, either version 3 of the License, or
10 (at your option) any later version.
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. If not, see <http://www.gnu.org/licenses/>. */
27 /* Use the configure flag --enable-checking[=LIST] to enable various
28 types of run time checks for Lisp objects. */
30 #ifdef GC_CHECK_CONS_LIST
31 extern void check_cons_list (void);
32 #define CHECK_CONS_LIST() check_cons_list ()
34 #define CHECK_CONS_LIST() ((void) 0)
37 /* These are default choices for the types to use. */
40 #define EMACS_INT long
41 #define BITS_PER_EMACS_INT BITS_PER_LONG
45 #define EMACS_UINT unsigned long
47 #elif /* !_LP64 && */ BITS_PER_LONG < BITS_PER_LONG_LONG
49 #define EMACS_INT long long
50 #define BITS_PER_EMACS_INT BITS_PER_LONG_LONG
54 #define EMACS_UINT unsigned long long
56 #else /* ! (_LP64 || BITS_PER_LONG < BITS_PER_LONG_LONG) */
59 #define BITS_PER_EMACS_INT BITS_PER_INT
63 #define EMACS_UINT unsigned int
67 /* Extra internal type checking? */
69 #ifdef ENABLE_CHECKING
71 extern void die (const char *, const char *, int) NO_RETURN
;
73 /* The suppress_checking variable is initialized to 0 in alloc.c. Set
74 it to 1 using a debugger to temporarily disable aborting on
75 detected internal inconsistencies or error conditions.
77 Testing suppress_checking after the supplied condition ensures that
78 the side effects produced by CHECK will be consistent, independent
79 of whether ENABLE_CHECKING is defined, or whether the checks are
80 suppressed at run time.
82 In some cases, a good compiler may be able to optimize away the
83 CHECK macro altogether, e.g., if XSTRING (x) uses CHECK to test
84 STRINGP (x), but a particular use of XSTRING is invoked only after
85 testing that STRINGP (x) is true, making the test redundant. */
87 extern int suppress_checking EXTERNALLY_VISIBLE
;
89 #define CHECK(check,msg) (((check) || suppress_checking \
91 : die ((msg), __FILE__, __LINE__)), \
95 /* Produce same side effects and result, but don't complain. */
96 #define CHECK(check,msg) ((check),0)
100 /* Define an Emacs version of "assert", since some system ones are
102 #ifndef ENABLE_CHECKING
103 #define eassert(X) ((void) (0 && (X))) /* Check that X compiles. */
104 #else /* ENABLE_CHECKING */
105 #if defined (__GNUC__) && __GNUC__ >= 2 && defined (__STDC__)
106 #define eassert(cond) CHECK(cond,"assertion failed: " #cond)
108 #define eassert(cond) CHECK(cond,"assertion failed")
110 #endif /* ENABLE_CHECKING */
112 /* Use the configure flag --enable-use-lisp-union-type to make
113 Lisp_Object use a union type instead of the default int. The flag
114 causes USE_LISP_UNION_TYPE to be defined. */
116 /***** Select the tagging scheme. *****/
117 /* There are basically two options that control the tagging scheme:
118 - USE_LISP_UNION_TYPE says that Lisp_Object should be a union instead
120 - USE_LSB_TAG means that we can assume the least 3 bits of pointers are
121 always 0, and we can thus use them to hold tag bits, without
122 restricting our addressing space.
124 If USE_LSB_TAG is not set, then we use the top 3 bits for tagging, thus
125 restricting our possible address range. Currently USE_LSB_TAG is not
126 allowed together with a union. This is not due to any fundamental
127 technical (or political ;-) problem: nobody wrote the code to do it yet.
129 USE_LSB_TAG not only requires the least 3 bits of pointers returned by
130 malloc to be 0 but also needs to be able to impose a mult-of-8 alignment
131 on the few static Lisp_Objects used: all the defsubr as well
132 as the two special buffers buffer_defaults and buffer_local_symbols. */
134 /* First, try and define DECL_ALIGN(type,var) which declares a static
135 variable VAR of type TYPE with the added requirement that it be
137 #ifndef NO_DECL_ALIGN
139 # if HAVE_ATTRIBUTE_ALIGNED
140 # define DECL_ALIGN(type, var) \
141 type __attribute__ ((__aligned__ (1 << GCTYPEBITS))) var
143 /* What directives do other compilers use? */
148 /* Let's USE_LSB_TAG on systems where we know malloc returns mult-of-8. */
149 #if (defined GNU_MALLOC || defined DOUG_LEA_MALLOC || defined __GLIBC__ \
150 || defined DARWIN_OS || defined __sun)
151 /* We also need to be able to specify mult-of-8 alignment on static vars. */
152 # if defined DECL_ALIGN
157 /* If we cannot use 8-byte alignment, make DECL_ALIGN a no-op. */
160 # error "USE_LSB_TAG used without defining DECL_ALIGN"
162 # define DECL_ALIGN(type, var) type var
166 /* Define the fundamental Lisp data structures. */
168 /* If USE_2_TAGBITS_FOR_INTS is defined, then Lisp integers use
169 2 tags, to give them one extra bit, thus extending their range from
170 e.g -2^28..2^28-1 to -2^29..2^29-1. */
171 #define USE_2_TAGS_FOR_INTS
173 /* Making it work for the union case is too much trouble. */
174 #ifdef USE_LISP_UNION_TYPE
175 # undef USE_2_TAGS_FOR_INTS
178 /* This is the set of Lisp data types. */
180 #if !defined USE_2_TAGS_FOR_INTS
181 # define LISP_INT_TAG Lisp_Int
182 # define case_Lisp_Int case Lisp_Int
183 # define LISP_STRING_TAG 4
184 # define LISP_INT_TAG_P(x) ((x) == Lisp_Int)
186 # define LISP_INT_TAG Lisp_Int0
187 # define case_Lisp_Int case Lisp_Int0: case Lisp_Int1
189 # define LISP_INT1_TAG 4
190 # define LISP_STRING_TAG 1
191 # define LISP_INT_TAG_P(x) (((x) & 3) == 0)
193 # define LISP_INT1_TAG 1
194 # define LISP_STRING_TAG 4
195 # define LISP_INT_TAG_P(x) (((x) & 6) == 0)
201 /* Integer. XINT (obj) is the integer value. */
202 #ifdef USE_2_TAGS_FOR_INTS
204 Lisp_Int1
= LISP_INT1_TAG
,
209 /* Symbol. XSYMBOL (object) points to a struct Lisp_Symbol. */
212 /* Miscellaneous. XMISC (object) points to a union Lisp_Misc,
213 whose first member indicates the subtype. */
216 /* String. XSTRING (object) points to a struct Lisp_String.
217 The length of the string, and its contents, are stored therein. */
218 Lisp_String
= LISP_STRING_TAG
,
220 /* Vector of Lisp objects, or something resembling it.
221 XVECTOR (object) points to a struct Lisp_Vector, which contains
222 the size and contents. The size field also contains the type
223 information, if it's not a real vector object. */
226 /* Cons. XCONS (object) points to a struct Lisp_Cons. */
232 /* This is the set of data types that share a common structure.
233 The first member of the structure is a type code from this set.
234 The enum values are arbitrary, but we'll use large numbers to make it
235 more likely that we'll spot the error if a random word in memory is
236 mistakenly interpreted as a Lisp_Misc. */
239 Lisp_Misc_Free
= 0x5eab,
242 Lisp_Misc_Save_Value
,
243 /* Currently floats are not a misc type,
244 but let's define this in case we want to change that. */
246 /* This is not a type code. It is for range checking. */
250 /* These are the types of forwarding objects used in the value slot
251 of symbols for special built-in variables whose value is stored in
255 Lisp_Fwd_Int
, /* Fwd to a C `int' variable. */
256 Lisp_Fwd_Bool
, /* Fwd to a C boolean var. */
257 Lisp_Fwd_Obj
, /* Fwd to a C Lisp_Object variable. */
258 Lisp_Fwd_Buffer_Obj
, /* Fwd to a Lisp_Object field of buffers. */
259 Lisp_Fwd_Kboard_Obj
, /* Fwd to a Lisp_Object field of kboards. */
266 /* These values are overridden by the m- file on some machines. */
268 #define VALBITS (BITS_PER_EMACS_INT - GCTYPEBITS)
271 #ifdef USE_LISP_UNION_TYPE
273 #ifndef WORDS_BIGENDIAN
275 /* Definition of Lisp_Object for little-endian machines. */
280 /* Used for comparing two Lisp_Objects;
281 also, positive integers can be accessed fast this way. */
286 /* Use explict signed, the signedness of a bit-field of type
287 int is implementation defined. */
288 signed EMACS_INT val
: VALBITS
;
289 enum Lisp_Type type
: GCTYPEBITS
;
293 EMACS_UINT val
: VALBITS
;
294 enum Lisp_Type type
: GCTYPEBITS
;
299 #else /* If WORDS_BIGENDIAN */
304 /* Used for comparing two Lisp_Objects;
305 also, positive integers can be accessed fast this way. */
310 enum Lisp_Type type
: GCTYPEBITS
;
311 /* Use explict signed, the signedness of a bit-field of type
312 int is implementation defined. */
313 signed EMACS_INT val
: VALBITS
;
317 enum Lisp_Type type
: GCTYPEBITS
;
318 EMACS_UINT val
: VALBITS
;
323 #endif /* WORDS_BIGENDIAN */
326 static __inline__ Lisp_Object
327 LISP_MAKE_RVALUE (Lisp_Object o
)
332 /* This is more portable to pre-C99 non-GCC compilers, but for
333 backwards compatibility GCC still accepts an old GNU extension
334 which caused this to only generate a warning. */
335 #define LISP_MAKE_RVALUE(o) (0 ? (o) : (o))
338 #else /* USE_LISP_UNION_TYPE */
340 /* If union type is not wanted, define Lisp_Object as just a number. */
342 typedef EMACS_INT Lisp_Object
;
343 #define LISP_MAKE_RVALUE(o) (0+(o))
344 #endif /* USE_LISP_UNION_TYPE */
346 /* In the size word of a vector, this bit means the vector has been marked.
347 (Shift -1 left, not 1, to avoid provoking overflow diagnostics.) */
349 #define ARRAY_MARK_FLAG ((EMACS_INT) -1 << (BITS_PER_EMACS_INT - 1))
351 /* In the size word of a struct Lisp_Vector, this bit means it's really
352 some other vector-like object. */
353 #define PSEUDOVECTOR_FLAG ((EMACS_INT) 1 << (BITS_PER_EMACS_INT - 2))
355 /* In a pseudovector, the size field actually contains a word with one
356 PSEUDOVECTOR_FLAG bit set, and exactly one of the following bits to
357 indicate the actual type.
358 We use a bitset, even tho only one of the bits can be set at any
359 particular time just so as to be able to use micro-optimizations such as
360 testing membership of a particular subset of pseudovectors in Fequal.
361 It is not crucial, but there are plenty of bits here, so why not do it? */
364 PVEC_NORMAL_VECTOR
= 0,
365 PVEC_PROCESS
= 0x200,
367 PVEC_COMPILED
= 0x800,
368 PVEC_WINDOW
= 0x1000,
369 PVEC_WINDOW_CONFIGURATION
= 0x2000,
371 PVEC_CHAR_TABLE
= 0x8000,
372 PVEC_BOOL_VECTOR
= 0x10000,
373 PVEC_BUFFER
= 0x20000,
374 PVEC_HASH_TABLE
= 0x40000,
375 PVEC_TERMINAL
= 0x80000,
376 PVEC_SUB_CHAR_TABLE
= 0x100000,
377 PVEC_FONT
= 0x200000,
378 PVEC_OTHER
= 0x400000,
379 PVEC_TYPE_MASK
= 0x7ffe00
381 #if 0 /* This is used to make the value of PSEUDOVECTOR_FLAG available to
382 GDB. It doesn't work on OS Alpha. Moved to a variable in
384 PVEC_FLAG
= PSEUDOVECTOR_FLAG
388 /* For convenience, we also store the number of elements in these bits.
389 Note that this size is not necessarily the memory-footprint size, but
390 only the number of Lisp_Object fields (that need to be traced by the GC).
391 The distinction is used e.g. by Lisp_Process which places extra
392 non-Lisp_Object fields at the end of the structure. */
393 #define PSEUDOVECTOR_SIZE_MASK 0x1ff
395 /* Number of bits to put in each character in the internal representation
396 of bool vectors. This should not vary across implementations. */
397 #define BOOL_VECTOR_BITS_PER_CHAR 8
399 /* These macros extract various sorts of values from a Lisp_Object.
400 For example, if tem is a Lisp_Object whose type is Lisp_Cons,
401 XCONS (tem) is the struct Lisp_Cons * pointing to the memory for that cons. */
403 #ifndef USE_LISP_UNION_TYPE
405 /* Return a perfect hash of the Lisp_Object representation. */
410 #define TYPEMASK ((((EMACS_INT) 1) << GCTYPEBITS) - 1)
411 #define XTYPE(a) ((enum Lisp_Type) ((a) & TYPEMASK))
412 #ifdef USE_2_TAGS_FOR_INTS
413 # define XINT(a) (((EMACS_INT) (a)) >> (GCTYPEBITS - 1))
414 # define XUINT(a) (((EMACS_UINT) (a)) >> (GCTYPEBITS - 1))
415 # define make_number(N) (((EMACS_INT) (N)) << (GCTYPEBITS - 1))
417 # define XINT(a) (((EMACS_INT) (a)) >> GCTYPEBITS)
418 # define XUINT(a) (((EMACS_UINT) (a)) >> GCTYPEBITS)
419 # define make_number(N) (((EMACS_INT) (N)) << GCTYPEBITS)
421 #define XSET(var, type, ptr) \
422 (eassert (XTYPE ((intptr_t) (ptr)) == 0), /* Check alignment. */ \
423 (var) = (type) | (intptr_t) (ptr))
425 #define XPNTR(a) ((intptr_t) ((a) & ~TYPEMASK))
427 #else /* not USE_LSB_TAG */
429 #define VALMASK ((((EMACS_INT) 1) << VALBITS) - 1)
431 /* One need to override this if there must be high bits set in data space
432 (doing the result of the below & ((1 << (GCTYPE + 1)) - 1) would work
433 on all machines, but would penalize machines which don't need it)
435 #define XTYPE(a) ((enum Lisp_Type) (((EMACS_UINT) (a)) >> VALBITS))
437 /* For integers known to be positive, XFASTINT provides fast retrieval
438 and XSETFASTINT provides fast storage. This takes advantage of the
439 fact that Lisp_Int is 0. */
440 #define XFASTINT(a) ((a) + 0)
441 #define XSETFASTINT(a, b) ((a) = (b))
443 /* Extract the value of a Lisp_Object as a (un)signed integer. */
445 #ifdef USE_2_TAGS_FOR_INTS
446 # define XINT(a) ((((EMACS_INT) (a)) << (GCTYPEBITS - 1)) >> (GCTYPEBITS - 1))
447 # define XUINT(a) ((EMACS_UINT) ((a) & (1 + (VALMASK << 1))))
448 # define make_number(N) ((((EMACS_INT) (N)) & (1 + (VALMASK << 1))))
450 # define XINT(a) ((((EMACS_INT) (a)) << (BITS_PER_EMACS_INT - VALBITS)) \
451 >> (BITS_PER_EMACS_INT - VALBITS))
452 # define XUINT(a) ((EMACS_UINT) ((a) & VALMASK))
453 # define make_number(N) \
454 ((((EMACS_INT) (N)) & VALMASK) | ((EMACS_INT) Lisp_Int) << VALBITS)
457 #define XSET(var, type, ptr) \
458 ((var) = ((EMACS_INT) ((EMACS_UINT) (type) << VALBITS) \
459 + ((intptr_t) (ptr) & VALMASK)))
462 /* DATA_SEG_BITS forces extra bits to be or'd in with any pointers
463 which were stored in a Lisp_Object */
464 #define XPNTR(a) ((uintptr_t) (((a) & VALMASK)) | DATA_SEG_BITS))
466 #define XPNTR(a) ((uintptr_t) ((a) & VALMASK))
469 #endif /* not USE_LSB_TAG */
471 #else /* USE_LISP_UNION_TYPE */
473 #ifdef USE_2_TAGS_FOR_INTS
474 # error "USE_2_TAGS_FOR_INTS is not supported with USE_LISP_UNION_TYPE"
477 #define XHASH(a) ((a).i)
478 #define XTYPE(a) ((enum Lisp_Type) (a).u.type)
479 #define XINT(a) ((a).s.val)
480 #define XUINT(a) ((a).u.val)
484 # define XSET(var, vartype, ptr) \
485 (eassert ((((EMACS_UINT) (ptr)) & ((1 << GCTYPEBITS) - 1)) == 0), \
486 (var).u.val = ((EMACS_UINT) (ptr)) >> GCTYPEBITS, \
487 (var).u.type = ((char) (vartype)))
489 /* Some versions of gcc seem to consider the bitfield width when issuing
490 the "cast to pointer from integer of different size" warning, so the
491 cast is here to widen the value back to its natural size. */
492 # define XPNTR(v) ((intptr_t) (v).s.val << GCTYPEBITS)
494 #else /* !USE_LSB_TAG */
496 /* For integers known to be positive, XFASTINT provides fast retrieval
497 and XSETFASTINT provides fast storage. This takes advantage of the
498 fact that Lisp_Int is 0. */
499 # define XFASTINT(a) ((a).i + 0)
500 # define XSETFASTINT(a, b) ((a).i = (b))
502 # define XSET(var, vartype, ptr) \
503 (((var).s.val = ((EMACS_INT) (ptr))), ((var).s.type = ((char) (vartype))))
506 /* DATA_SEG_BITS forces extra bits to be or'd in with any pointers
507 which were stored in a Lisp_Object */
508 #define XPNTR(a) ((intptr_t) (XUINT (a) | DATA_SEG_BITS))
510 #define XPNTR(a) ((intptr_t) XUINT (a))
513 #endif /* !USE_LSB_TAG */
515 #if __GNUC__ >= 2 && defined (__OPTIMIZE__)
516 #define make_number(N) \
517 (__extension__ ({ Lisp_Object _l; _l.s.val = (N); _l.s.type = Lisp_Int; _l; }))
519 extern Lisp_Object
make_number (EMACS_INT
);
522 #endif /* USE_LISP_UNION_TYPE */
524 /* For integers known to be positive, XFASTINT sometimes provides
525 faster retrieval and XSETFASTINT provides faster storage.
526 If not, fallback on the non-accelerated path. */
528 # define XFASTINT(a) (XINT (a))
529 # define XSETFASTINT(a, b) (XSETINT (a, b))
532 #define EQ(x, y) (XHASH (x) == XHASH (y))
534 /* Largest and smallest representable fixnum values. These are the C
537 #ifdef USE_2_TAGS_FOR_INTS
538 # define MOST_NEGATIVE_FIXNUM - ((EMACS_INT) 1 << VALBITS)
539 # define MOST_POSITIVE_FIXNUM (((EMACS_INT) 1 << VALBITS) - 1)
540 /* Mask indicating the significant bits of a Lisp_Int.
541 I.e. (x & INTMASK) == XUINT (make_number (x)). */
542 # define INTMASK ((((EMACS_INT) 1) << (VALBITS + 1)) - 1)
544 # define MOST_NEGATIVE_FIXNUM - ((EMACS_INT) 1 << (VALBITS - 1))
545 # define MOST_POSITIVE_FIXNUM (((EMACS_INT) 1 << (VALBITS - 1)) - 1)
546 /* Mask indicating the significant bits of a Lisp_Int.
547 I.e. (x & INTMASK) == XUINT (make_number (x)). */
548 # define INTMASK ((((EMACS_INT) 1) << VALBITS) - 1)
551 /* Value is non-zero if I doesn't fit into a Lisp fixnum. It is
552 written this way so that it also works if I is of unsigned
555 #define FIXNUM_OVERFLOW_P(i) \
556 ((i) > MOST_POSITIVE_FIXNUM \
557 || ((i) < 0 && (i) < MOST_NEGATIVE_FIXNUM))
559 /* Extract a value or address from a Lisp_Object. */
561 #define XCONS(a) (eassert (CONSP(a)),(struct Lisp_Cons *) XPNTR(a))
562 #define XVECTOR(a) (eassert (VECTORLIKEP(a)),(struct Lisp_Vector *) XPNTR(a))
563 #define XSTRING(a) (eassert (STRINGP(a)),(struct Lisp_String *) XPNTR(a))
564 #define XSYMBOL(a) (eassert (SYMBOLP(a)),(struct Lisp_Symbol *) XPNTR(a))
565 #define XFLOAT(a) (eassert (FLOATP(a)),(struct Lisp_Float *) XPNTR(a))
569 #define XMISC(a) ((union Lisp_Misc *) XPNTR(a))
570 #define XMISCANY(a) (eassert (MISCP (a)), &(XMISC(a)->u_any))
571 #define XMISCTYPE(a) (XMISCANY (a)->type)
572 #define XMARKER(a) (eassert (MARKERP (a)), &(XMISC(a)->u_marker))
573 #define XOVERLAY(a) (eassert (OVERLAYP (a)), &(XMISC(a)->u_overlay))
574 #define XSAVE_VALUE(a) (eassert (SAVE_VALUEP (a)), &(XMISC(a)->u_save_value))
576 /* Forwarding object types. */
578 #define XFWDTYPE(a) (a->u_intfwd.type)
579 #define XINTFWD(a) (eassert (INTFWDP (a)), &((a)->u_intfwd))
580 #define XBOOLFWD(a) (eassert (BOOLFWDP (a)), &((a)->u_boolfwd))
581 #define XOBJFWD(a) (eassert (OBJFWDP (a)), &((a)->u_objfwd))
582 #define XBUFFER_OBJFWD(a) \
583 (eassert (BUFFER_OBJFWDP (a)), &((a)->u_buffer_objfwd))
584 #define XKBOARD_OBJFWD(a) \
585 (eassert (KBOARD_OBJFWDP (a)), &((a)->u_kboard_objfwd))
587 /* Pseudovector types. */
589 #define XPROCESS(a) (eassert (PROCESSP(a)),(struct Lisp_Process *) XPNTR(a))
590 #define XWINDOW(a) (eassert (WINDOWP(a)),(struct window *) XPNTR(a))
591 #define XTERMINAL(a) (eassert (TERMINALP(a)),(struct terminal *) XPNTR(a))
592 #define XSUBR(a) (eassert (SUBRP(a)),(struct Lisp_Subr *) XPNTR(a))
593 #define XBUFFER(a) (eassert (BUFFERP(a)),(struct buffer *) XPNTR(a))
594 #define XCHAR_TABLE(a) (eassert (CHAR_TABLE_P (a)), (struct Lisp_Char_Table *) XPNTR(a))
595 #define XSUB_CHAR_TABLE(a) (eassert (SUB_CHAR_TABLE_P (a)), (struct Lisp_Sub_Char_Table *) XPNTR(a))
596 #define XBOOL_VECTOR(a) (eassert (BOOL_VECTOR_P (a)), (struct Lisp_Bool_Vector *) XPNTR(a))
598 /* Construct a Lisp_Object from a value or address. */
600 #define XSETINT(a, b) (a) = make_number (b)
601 #define XSETCONS(a, b) XSET (a, Lisp_Cons, b)
602 #define XSETVECTOR(a, b) XSET (a, Lisp_Vectorlike, b)
603 #define XSETSTRING(a, b) XSET (a, Lisp_String, b)
604 #define XSETSYMBOL(a, b) XSET (a, Lisp_Symbol, b)
605 #define XSETFLOAT(a, b) XSET (a, Lisp_Float, b)
609 #define XSETMISC(a, b) XSET (a, Lisp_Misc, b)
610 #define XSETMARKER(a, b) (XSETMISC (a, b), XMISCTYPE (a) = Lisp_Misc_Marker)
612 /* Pseudovector types. */
614 #define XSETPVECTYPE(v, code) XSETTYPED_PVECTYPE(v, header.size, code)
615 #define XSETTYPED_PVECTYPE(v, size_member, code) \
616 ((v)->size_member |= PSEUDOVECTOR_FLAG | (code))
617 #define XSETPVECTYPESIZE(v, code, sizeval) \
618 ((v)->header.size = PSEUDOVECTOR_FLAG | (code) | (sizeval))
620 /* The cast to struct vectorlike_header * avoids aliasing issues. */
621 #define XSETPSEUDOVECTOR(a, b, code) \
622 XSETTYPED_PSEUDOVECTOR(a, b, \
623 ((struct vectorlike_header *) XPNTR (a))->size, \
625 #define XSETTYPED_PSEUDOVECTOR(a, b, size, code) \
626 (XSETVECTOR (a, b), \
627 eassert ((size & (PSEUDOVECTOR_FLAG | PVEC_TYPE_MASK)) \
628 == (PSEUDOVECTOR_FLAG | (code))))
630 #define XSETWINDOW_CONFIGURATION(a, b) \
631 (XSETPSEUDOVECTOR (a, b, PVEC_WINDOW_CONFIGURATION))
632 #define XSETPROCESS(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_PROCESS))
633 #define XSETWINDOW(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_WINDOW))
634 #define XSETTERMINAL(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_TERMINAL))
635 /* XSETSUBR is special since Lisp_Subr lacks struct vectorlike_header. */
636 #define XSETSUBR(a, b) \
637 XSETTYPED_PSEUDOVECTOR (a, b, XSUBR (a)->size, PVEC_SUBR)
638 #define XSETCOMPILED(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_COMPILED))
639 #define XSETBUFFER(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_BUFFER))
640 #define XSETCHAR_TABLE(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_CHAR_TABLE))
641 #define XSETBOOL_VECTOR(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_BOOL_VECTOR))
642 #define XSETSUB_CHAR_TABLE(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_SUB_CHAR_TABLE))
644 /* Convenience macros for dealing with Lisp arrays. */
646 #define AREF(ARRAY, IDX) XVECTOR ((ARRAY))->contents[IDX]
647 #define ASIZE(ARRAY) XVECTOR ((ARRAY))->header.size
648 /* The IDX==IDX tries to detect when the macro argument is side-effecting. */
649 #define ASET(ARRAY, IDX, VAL) \
650 (eassert ((IDX) == (IDX)), \
651 eassert ((IDX) >= 0 && (IDX) < ASIZE (ARRAY)), \
652 AREF ((ARRAY), (IDX)) = (VAL))
654 /* Convenience macros for dealing with Lisp strings. */
656 #define SDATA(string) (XSTRING (string)->data + 0)
657 #define SREF(string, index) (SDATA (string)[index] + 0)
658 #define SSET(string, index, new) (SDATA (string)[index] = (new))
659 #define SCHARS(string) (XSTRING (string)->size + 0)
660 #define SBYTES(string) (STRING_BYTES (XSTRING (string)) + 0)
662 /* Avoid "differ in sign" warnings. */
663 #define SSDATA(x) ((char *) SDATA (x))
665 #define STRING_SET_CHARS(string, newsize) \
666 (XSTRING (string)->size = (newsize))
668 #define STRING_COPYIN(string, index, new, count) \
669 memcpy (SDATA (string) + index, new, count)
673 #define CHECK_TYPE(ok, Qxxxp, x) \
674 do { if (!(ok)) wrong_type_argument (Qxxxp, (x)); } while (0)
678 /* See the macros in intervals.h. */
680 typedef struct interval
*INTERVAL
;
682 /* Complain if object is not string or buffer type */
683 #define CHECK_STRING_OR_BUFFER(x) \
684 CHECK_TYPE (STRINGP (x) || BUFFERP (x), Qbuffer_or_string_p, x)
687 /* In a cons, the markbit of the car is the gc mark bit */
691 /* Please do not use the names of these elements in code other
692 than the core lisp implementation. Use XCAR and XCDR below. */
693 #ifdef HIDE_LISP_IMPLEMENTATION
698 struct Lisp_Cons
*chain
;
705 struct Lisp_Cons
*chain
;
710 /* Take the car or cdr of something known to be a cons cell. */
711 /* The _AS_LVALUE macros shouldn't be used outside of the minimal set
712 of code that has to know what a cons cell looks like. Other code not
713 part of the basic lisp implementation should assume that the car and cdr
714 fields are not accessible as lvalues. (What if we want to switch to
715 a copying collector someday? Cached cons cell field addresses may be
716 invalidated at arbitrary points.) */
717 #ifdef HIDE_LISP_IMPLEMENTATION
718 #define XCAR_AS_LVALUE(c) (XCONS ((c))->car_)
719 #define XCDR_AS_LVALUE(c) (XCONS ((c))->u.cdr_)
721 #define XCAR_AS_LVALUE(c) (XCONS ((c))->car)
722 #define XCDR_AS_LVALUE(c) (XCONS ((c))->u.cdr)
725 /* Use these from normal code. */
726 #define XCAR(c) LISP_MAKE_RVALUE(XCAR_AS_LVALUE(c))
727 #define XCDR(c) LISP_MAKE_RVALUE(XCDR_AS_LVALUE(c))
729 /* Use these to set the fields of a cons cell.
731 Note that both arguments may refer to the same object, so 'n'
732 should not be read after 'c' is first modified. Also, neither
733 argument should be evaluated more than once; side effects are
734 especially common in the second argument. */
735 #define XSETCAR(c,n) (XCAR_AS_LVALUE(c) = (n))
736 #define XSETCDR(c,n) (XCDR_AS_LVALUE(c) = (n))
738 /* Take the car or cdr of something whose type is not known. */
740 (CONSP ((c)) ? XCAR ((c)) \
741 : NILP ((c)) ? Qnil \
742 : wrong_type_argument (Qlistp, (c)))
745 (CONSP ((c)) ? XCDR ((c)) \
746 : NILP ((c)) ? Qnil \
747 : wrong_type_argument (Qlistp, (c)))
749 /* Take the car or cdr of something whose type is not known. */
750 #define CAR_SAFE(c) \
751 (CONSP ((c)) ? XCAR ((c)) : Qnil)
753 #define CDR_SAFE(c) \
754 (CONSP ((c)) ? XCDR ((c)) : Qnil)
756 /* Nonzero if STR is a multibyte string. */
757 #define STRING_MULTIBYTE(STR) \
758 (XSTRING (STR)->size_byte >= 0)
760 /* Return the length in bytes of STR. */
762 #ifdef GC_CHECK_STRING_BYTES
765 extern EMACS_INT
string_bytes (struct Lisp_String
*);
766 #define STRING_BYTES(S) string_bytes ((S))
768 #else /* not GC_CHECK_STRING_BYTES */
770 #define STRING_BYTES(STR) \
771 ((STR)->size_byte < 0 ? (STR)->size : (STR)->size_byte)
773 #endif /* not GC_CHECK_STRING_BYTES */
775 /* Mark STR as a unibyte string. */
776 #define STRING_SET_UNIBYTE(STR) \
777 do { if (EQ (STR, empty_multibyte_string)) \
778 (STR) = empty_unibyte_string; \
779 else XSTRING (STR)->size_byte = -1; } while (0)
781 /* Mark STR as a multibyte string. Assure that STR contains only
782 ASCII characters in advance. */
783 #define STRING_SET_MULTIBYTE(STR) \
784 do { if (EQ (STR, empty_unibyte_string)) \
785 (STR) = empty_multibyte_string; \
786 else XSTRING (STR)->size_byte = XSTRING (STR)->size; } while (0)
788 /* Get text properties. */
789 #define STRING_INTERVALS(STR) (XSTRING (STR)->intervals + 0)
791 /* Set text properties. */
792 #define STRING_SET_INTERVALS(STR, INT) (XSTRING (STR)->intervals = (INT))
794 /* In a string or vector, the sign bit of the `size' is the gc mark bit */
800 INTERVAL intervals
; /* text properties in this string */
804 /* Header of vector-like objects. This documents the layout constraints on
805 vectors and pseudovectors other than struct Lisp_Subr. It also prevents
806 compilers from being fooled by Emacs's type punning: the XSETPSEUDOVECTOR
807 and PSEUDOVECTORP macros cast their pointers to struct vectorlike_header *,
808 because when two such pointers potentially alias, a compiler won't
809 incorrectly reorder loads and stores to their size fields. See
810 <http://debbugs.gnu.org/cgi/bugreport.cgi?bug=8546>. */
811 struct vectorlike_header
815 /* Pointer to the next vector-like object. It is generally a buffer or a
816 Lisp_Vector alias, so for convenience it is a union instead of a
817 pointer: this way, one can write P->next.vector instead of ((struct
818 Lisp_Vector *) P->next). */
820 struct buffer
*buffer
;
821 struct Lisp_Vector
*vector
;
827 struct vectorlike_header header
;
828 Lisp_Object contents
[1];
831 /* If a struct is made to look like a vector, this macro returns the length
832 of the shortest vector that would hold that struct. */
833 #define VECSIZE(type) ((sizeof (type) \
834 - offsetof (struct Lisp_Vector, contents[0]) \
835 + sizeof(Lisp_Object) - 1) /* round up */ \
836 / sizeof (Lisp_Object))
838 /* Like VECSIZE, but used when the pseudo-vector has non-Lisp_Object fields
839 at the end and we need to compute the number of Lisp_Object fields (the
840 ones that the GC needs to trace). */
841 #define PSEUDOVECSIZE(type, nonlispfield) \
842 ((offsetof(type, nonlispfield) - offsetof(struct Lisp_Vector, contents[0])) \
843 / sizeof (Lisp_Object))
845 /* A char-table is a kind of vectorlike, with contents are like a
846 vector but with a few other slots. For some purposes, it makes
847 sense to handle a char-table with type struct Lisp_Vector. An
848 element of a char table can be any Lisp objects, but if it is a sub
849 char-table, we treat it a table that contains information of a
850 specific range of characters. A sub char-table has the same
851 structure as a vector. A sub char table appears only in an element
852 of a char-table, and there's no way to access it directly from
853 Emacs Lisp program. */
855 /* This is the number of slots that every char table must have. This
856 counts the ordinary slots and the top, defalt, parent, and purpose
858 #define CHAR_TABLE_STANDARD_SLOTS (VECSIZE (struct Lisp_Char_Table) - 1)
860 /* Return the number of "extra" slots in the char table CT. */
862 #define CHAR_TABLE_EXTRA_SLOTS(CT) \
863 (((CT)->header.size & PSEUDOVECTOR_SIZE_MASK) - CHAR_TABLE_STANDARD_SLOTS)
867 #define CHAR_TABLE_REF_ASCII(CT, IDX) \
868 ({struct Lisp_Char_Table *_tbl = NULL; \
871 _tbl = _tbl ? XCHAR_TABLE (_tbl->parent) : XCHAR_TABLE (CT); \
872 _val = (! SUB_CHAR_TABLE_P (_tbl->ascii) ? _tbl->ascii \
873 : XSUB_CHAR_TABLE (_tbl->ascii)->contents[IDX]); \
875 _val = _tbl->defalt; \
876 } while (NILP (_val) && ! NILP (_tbl->parent)); \
879 #else /* not __GNUC__ */
881 #define CHAR_TABLE_REF_ASCII(CT, IDX) \
882 (! NILP (XCHAR_TABLE (CT)->ascii) \
883 ? (! SUB_CHAR_TABLE_P (XCHAR_TABLE (CT)->ascii) \
884 ? XCHAR_TABLE (CT)->ascii \
885 : ! NILP (XSUB_CHAR_TABLE (XCHAR_TABLE (CT)->ascii)->contents[IDX]) \
886 ? XSUB_CHAR_TABLE (XCHAR_TABLE (CT)->ascii)->contents[IDX] \
887 : char_table_ref ((CT), (IDX))) \
888 : char_table_ref ((CT), (IDX)))
890 #endif /* not __GNUC__ */
892 /* Nonzero iff C is an ASCII character. */
893 #define ASCII_CHAR_P(c) ((unsigned) (c) < 0x80)
895 /* Almost equivalent to Faref (CT, IDX) with optimization for ASCII
896 characters. Do not check validity of CT. */
897 #define CHAR_TABLE_REF(CT, IDX) \
898 (ASCII_CHAR_P (IDX) ? CHAR_TABLE_REF_ASCII ((CT), (IDX)) \
899 : char_table_ref ((CT), (IDX)))
901 /* Almost equivalent to Faref (CT, IDX). However, if the result is
902 not a character, return IDX.
904 For these characters, do not check validity of CT
905 and do not follow parent. */
906 #define CHAR_TABLE_TRANSLATE(CT, IDX) \
907 char_table_translate (CT, IDX)
909 /* Equivalent to Faset (CT, IDX, VAL) with optimization for ASCII and
910 8-bit European characters. Do not check validity of CT. */
911 #define CHAR_TABLE_SET(CT, IDX, VAL) \
912 (((IDX) >= 0 && ASCII_CHAR_P (IDX) \
913 && SUB_CHAR_TABLE_P (XCHAR_TABLE (CT)->ascii)) \
914 ? XSUB_CHAR_TABLE (XCHAR_TABLE (CT)->ascii)->contents[IDX] = VAL \
915 : char_table_set (CT, IDX, VAL))
917 #define CHARTAB_SIZE_BITS_0 6
918 #define CHARTAB_SIZE_BITS_1 4
919 #define CHARTAB_SIZE_BITS_2 5
920 #define CHARTAB_SIZE_BITS_3 7
922 extern const int chartab_size
[4];
924 struct Lisp_Sub_Char_Table
;
926 struct Lisp_Char_Table
928 /* HEADER.SIZE is the vector's size field, which also holds the
929 pseudovector type information. It holds the size, too.
930 The size counts the defalt, parent, purpose, ascii,
931 contents, and extras slots. */
932 struct vectorlike_header header
;
934 /* This holds a default value,
935 which is used whenever the value for a specific character is nil. */
938 /* This points to another char table, which we inherit from when the
939 value for a specific character is nil. The `defalt' slot takes
940 precedence over this. */
943 /* This is a symbol which says what kind of use this char-table is
947 /* The bottom sub char-table for characters of the range 0..127. It
948 is nil if none of ASCII character has a specific value. */
951 Lisp_Object contents
[(1 << CHARTAB_SIZE_BITS_0
)];
953 /* These hold additional data. It is a vector. */
954 Lisp_Object extras
[1];
957 struct Lisp_Sub_Char_Table
959 /* HEADER.SIZE is the vector's size field, which also holds the
960 pseudovector type information. It holds the size, too. */
961 struct vectorlike_header header
;
963 /* Depth of this sub char-table. It should be 1, 2, or 3. A sub
964 char-table of depth 1 contains 16 elements, and each element
965 covers 4096 (128*32) characters. A sub char-table of depth 2
966 contains 32 elements, and each element covers 128 characters. A
967 sub char-table of depth 3 contains 128 elements, and each element
968 is for one character. */
971 /* Minimum character covered by the sub char-table. */
972 Lisp_Object min_char
;
974 Lisp_Object contents
[1];
977 /* A boolvector is a kind of vectorlike, with contents are like a string. */
978 struct Lisp_Bool_Vector
980 /* HEADER.SIZE is the vector's size field. It doesn't have the real size,
981 just the subtype information. */
982 struct vectorlike_header header
;
983 /* This is the size in bits. */
985 /* This contains the actual bits, packed into bytes. */
986 unsigned char data
[1];
989 /* This structure describes a built-in function.
990 It is generated by the DEFUN macro only.
991 defsubr makes it into a Lisp object.
993 This type is treated in most respects as a pseudovector,
994 but since we never dynamically allocate or free them,
995 we don't need a struct vectorlike_header and its 'next' field. */
1001 Lisp_Object (*a0
) (void);
1002 Lisp_Object (*a1
) (Lisp_Object
);
1003 Lisp_Object (*a2
) (Lisp_Object
, Lisp_Object
);
1004 Lisp_Object (*a3
) (Lisp_Object
, Lisp_Object
, Lisp_Object
);
1005 Lisp_Object (*a4
) (Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
);
1006 Lisp_Object (*a5
) (Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
);
1007 Lisp_Object (*a6
) (Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
);
1008 Lisp_Object (*a7
) (Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
);
1009 Lisp_Object (*a8
) (Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
);
1010 Lisp_Object (*aUNEVALLED
) (Lisp_Object args
);
1011 Lisp_Object (*aMANY
) (size_t, Lisp_Object
*);
1013 short min_args
, max_args
;
1014 const char *symbol_name
;
1015 const char *intspec
;
1020 /***********************************************************************
1022 ***********************************************************************/
1024 /* Interned state of a symbol. */
1026 enum symbol_interned
1028 SYMBOL_UNINTERNED
= 0,
1029 SYMBOL_INTERNED
= 1,
1030 SYMBOL_INTERNED_IN_INITIAL_OBARRAY
= 2
1033 enum symbol_redirect
1035 SYMBOL_PLAINVAL
= 4,
1036 SYMBOL_VARALIAS
= 1,
1037 SYMBOL_LOCALIZED
= 2,
1038 SYMBOL_FORWARDED
= 3
1041 /* In a symbol, the markbit of the plist is used as the gc mark bit */
1045 unsigned gcmarkbit
: 1;
1047 /* Indicates where the value can be found:
1048 0 : it's a plain var, the value is in the `value' field.
1049 1 : it's a varalias, the value is really in the `alias' symbol.
1050 2 : it's a localized var, the value is in the `blv' object.
1051 3 : it's a forwarding variable, the value is in `forward'.
1053 enum symbol_redirect redirect
: 3;
1055 /* Non-zero means symbol is constant, i.e. changing its value
1056 should signal an error. If the value is 3, then the var
1057 can be changed, but only by `defconst'. */
1058 unsigned constant
: 2;
1060 /* Interned state of the symbol. This is an enumerator from
1061 enum symbol_interned. */
1062 unsigned interned
: 2;
1064 /* Non-zero means that this variable has been explicitly declared
1065 special (with `defvar' etc), and shouldn't be lexically bound. */
1066 unsigned declared_special
: 1;
1068 /* The symbol's name, as a Lisp string.
1070 The name "xname" is used to intentionally break code referring to
1071 the old field "name" of type pointer to struct Lisp_String. */
1074 /* Value of the symbol or Qunbound if unbound. If this symbol is a
1075 defvaralias, `alias' contains the symbol for which it is an
1076 alias. Use the SYMBOL_VALUE and SET_SYMBOL_VALUE macros to get
1077 and set a symbol's value, to take defvaralias into account. */
1080 struct Lisp_Symbol
*alias
;
1081 struct Lisp_Buffer_Local_Value
*blv
;
1082 union Lisp_Fwd
*fwd
;
1085 /* Function value of the symbol or Qunbound if not fboundp. */
1086 Lisp_Object function
;
1088 /* The symbol's property list. */
1091 /* Next symbol in obarray bucket, if the symbol is interned. */
1092 struct Lisp_Symbol
*next
;
1095 /* Value is name of symbol. */
1097 #define SYMBOL_VAL(sym) \
1098 (eassert ((sym)->redirect == SYMBOL_PLAINVAL), (sym)->val.value)
1099 #define SYMBOL_ALIAS(sym) \
1100 (eassert ((sym)->redirect == SYMBOL_VARALIAS), (sym)->val.alias)
1101 #define SYMBOL_BLV(sym) \
1102 (eassert ((sym)->redirect == SYMBOL_LOCALIZED), (sym)->val.blv)
1103 #define SYMBOL_FWD(sym) \
1104 (eassert ((sym)->redirect == SYMBOL_FORWARDED), (sym)->val.fwd)
1105 #define SET_SYMBOL_VAL(sym, v) \
1106 (eassert ((sym)->redirect == SYMBOL_PLAINVAL), (sym)->val.value = (v))
1107 #define SET_SYMBOL_ALIAS(sym, v) \
1108 (eassert ((sym)->redirect == SYMBOL_VARALIAS), (sym)->val.alias = (v))
1109 #define SET_SYMBOL_BLV(sym, v) \
1110 (eassert ((sym)->redirect == SYMBOL_LOCALIZED), (sym)->val.blv = (v))
1111 #define SET_SYMBOL_FWD(sym, v) \
1112 (eassert ((sym)->redirect == SYMBOL_FORWARDED), (sym)->val.fwd = (v))
1114 #define SYMBOL_NAME(sym) \
1115 LISP_MAKE_RVALUE (XSYMBOL (sym)->xname)
1117 /* Value is non-zero if SYM is an interned symbol. */
1119 #define SYMBOL_INTERNED_P(sym) \
1120 (XSYMBOL (sym)->interned != SYMBOL_UNINTERNED)
1122 /* Value is non-zero if SYM is interned in initial_obarray. */
1124 #define SYMBOL_INTERNED_IN_INITIAL_OBARRAY_P(sym) \
1125 (XSYMBOL (sym)->interned == SYMBOL_INTERNED_IN_INITIAL_OBARRAY)
1127 /* Value is non-zero if symbol is considered a constant, i.e. its
1128 value cannot be changed (there is an exception for keyword symbols,
1129 whose value can be set to the keyword symbol itself). */
1131 #define SYMBOL_CONSTANT_P(sym) XSYMBOL (sym)->constant
1134 /***********************************************************************
1136 ***********************************************************************/
1138 /* The structure of a Lisp hash table. */
1140 struct Lisp_Hash_Table
1142 /* This is for Lisp; the hash table code does not refer to it. */
1143 struct vectorlike_header header
;
1145 /* Function used to compare keys. */
1148 /* Nil if table is non-weak. Otherwise a symbol describing the
1149 weakness of the table. */
1152 /* When the table is resized, and this is an integer, compute the
1153 new size by adding this to the old size. If a float, compute the
1154 new size by multiplying the old size with this factor. */
1155 Lisp_Object rehash_size
;
1157 /* Resize hash table when number of entries/ table size is >= this
1159 Lisp_Object rehash_threshold
;
1161 /* Vector of hash codes.. If hash[I] is nil, this means that that
1162 entry I is unused. */
1165 /* Vector used to chain entries. If entry I is free, next[I] is the
1166 entry number of the next free item. If entry I is non-free,
1167 next[I] is the index of the next entry in the collision chain. */
1170 /* Index of first free entry in free list. */
1171 Lisp_Object next_free
;
1173 /* Bucket vector. A non-nil entry is the index of the first item in
1174 a collision chain. This vector's size can be larger than the
1175 hash table size to reduce collisions. */
1178 /* User-supplied hash function, or nil. */
1179 Lisp_Object user_hash_function
;
1181 /* User-supplied key comparison function, or nil. */
1182 Lisp_Object user_cmp_function
;
1184 /* Only the fields above are traced normally by the GC. The ones below
1185 `count' are special and are either ignored by the GC or traced in
1186 a special way (e.g. because of weakness). */
1188 /* Number of key/value entries in the table. */
1191 /* Vector of keys and values. The key of item I is found at index
1192 2 * I, the value is found at index 2 * I + 1.
1193 This is gc_marked specially if the table is weak. */
1194 Lisp_Object key_and_value
;
1196 /* Next weak hash table if this is a weak hash table. The head
1197 of the list is in weak_hash_tables. */
1198 struct Lisp_Hash_Table
*next_weak
;
1200 /* C function to compare two keys. */
1201 int (* cmpfn
) (struct Lisp_Hash_Table
*, Lisp_Object
,
1202 unsigned, Lisp_Object
, unsigned);
1204 /* C function to compute hash code. */
1205 unsigned (* hashfn
) (struct Lisp_Hash_Table
*, Lisp_Object
);
1209 #define XHASH_TABLE(OBJ) \
1210 ((struct Lisp_Hash_Table *) XPNTR (OBJ))
1212 #define XSET_HASH_TABLE(VAR, PTR) \
1213 (XSETPSEUDOVECTOR (VAR, PTR, PVEC_HASH_TABLE))
1215 #define HASH_TABLE_P(OBJ) PSEUDOVECTORP (OBJ, PVEC_HASH_TABLE)
1217 #define CHECK_HASH_TABLE(x) \
1218 CHECK_TYPE (HASH_TABLE_P (x), Qhash_table_p, x)
1220 /* Value is the key part of entry IDX in hash table H. */
1222 #define HASH_KEY(H, IDX) AREF ((H)->key_and_value, 2 * (IDX))
1224 /* Value is the value part of entry IDX in hash table H. */
1226 #define HASH_VALUE(H, IDX) AREF ((H)->key_and_value, 2 * (IDX) + 1)
1228 /* Value is the index of the next entry following the one at IDX
1231 #define HASH_NEXT(H, IDX) AREF ((H)->next, (IDX))
1233 /* Value is the hash code computed for entry IDX in hash table H. */
1235 #define HASH_HASH(H, IDX) AREF ((H)->hash, (IDX))
1237 /* Value is the index of the element in hash table H that is the
1238 start of the collision list at index IDX in the index vector of H. */
1240 #define HASH_INDEX(H, IDX) AREF ((H)->index, (IDX))
1242 /* Value is the size of hash table H. */
1244 #define HASH_TABLE_SIZE(H) ASIZE ((H)->next)
1246 /* Default size for hash tables if not specified. */
1248 #define DEFAULT_HASH_SIZE 65
1250 /* Default threshold specifying when to resize a hash table. The
1251 value gives the ratio of current entries in the hash table and the
1252 size of the hash table. */
1254 #define DEFAULT_REHASH_THRESHOLD 0.8
1256 /* Default factor by which to increase the size of a hash table. */
1258 #define DEFAULT_REHASH_SIZE 1.5
1261 /* These structures are used for various misc types. */
1263 struct Lisp_Misc_Any
/* Supertype of all Misc types. */
1265 enum Lisp_Misc_Type type
: 16; /* = Lisp_Misc_??? */
1266 unsigned gcmarkbit
: 1;
1268 /* Make it as long as "Lisp_Free without padding". */
1274 enum Lisp_Misc_Type type
: 16; /* = Lisp_Misc_Marker */
1275 unsigned gcmarkbit
: 1;
1277 /* This flag is temporarily used in the functions
1278 decode/encode_coding_object to record that the marker position
1279 must be adjusted after the conversion. */
1280 unsigned int need_adjustment
: 1;
1281 /* 1 means normal insertion at the marker's position
1282 leaves the marker after the inserted text. */
1283 unsigned int insertion_type
: 1;
1284 /* This is the buffer that the marker points into, or 0 if it points nowhere.
1285 Note: a chain of markers can contain markers pointing into different
1286 buffers (the chain is per buffer_text rather than per buffer, so it's
1287 shared between indirect buffers). */
1288 /* This is used for (other than NULL-checking):
1290 - Fset_marker: check eq(oldbuf, newbuf) to avoid unchain+rechain.
1291 - unchain_marker: to find the list from which to unchain.
1292 - Fkill_buffer: to only unchain the markers of current indirect buffer.
1294 struct buffer
*buffer
;
1296 /* The remaining fields are meaningless in a marker that
1297 does not point anywhere. */
1299 /* For markers that point somewhere,
1300 this is used to chain of all the markers in a given buffer. */
1301 /* We could remove it and use an array in buffer_text instead.
1302 That would also allow to preserve it ordered. */
1303 struct Lisp_Marker
*next
;
1304 /* This is the char position where the marker points. */
1306 /* This is the byte position.
1307 It's mostly used as a charpos<->bytepos cache (i.e. it's not directly
1308 used to implement the functionality of markers, but rather to (ab)use
1309 markers as a cache for char<->byte mappings). */
1313 /* Forwarding pointer to an int variable.
1314 This is allowed only in the value cell of a symbol,
1315 and it means that the symbol's value really lives in the
1316 specified int variable. */
1319 enum Lisp_Fwd_Type type
; /* = Lisp_Fwd_Int */
1323 /* Boolean forwarding pointer to an int variable.
1324 This is like Lisp_Intfwd except that the ostensible
1325 "value" of the symbol is t if the int variable is nonzero,
1326 nil if it is zero. */
1329 enum Lisp_Fwd_Type type
; /* = Lisp_Fwd_Bool */
1333 /* Forwarding pointer to a Lisp_Object variable.
1334 This is allowed only in the value cell of a symbol,
1335 and it means that the symbol's value really lives in the
1336 specified variable. */
1339 enum Lisp_Fwd_Type type
; /* = Lisp_Fwd_Obj */
1340 Lisp_Object
*objvar
;
1343 /* Like Lisp_Objfwd except that value lives in a slot in the
1344 current buffer. Value is byte index of slot within buffer. */
1345 struct Lisp_Buffer_Objfwd
1347 enum Lisp_Fwd_Type type
; /* = Lisp_Fwd_Buffer_Obj */
1349 Lisp_Object slottype
; /* Qnil, Lisp_Int, Lisp_Symbol, or Lisp_String. */
1352 /* struct Lisp_Buffer_Local_Value is used in a symbol value cell when
1353 the symbol has buffer-local or frame-local bindings. (Exception:
1354 some buffer-local variables are built-in, with their values stored
1355 in the buffer structure itself. They are handled differently,
1356 using struct Lisp_Buffer_Objfwd.)
1358 The `realvalue' slot holds the variable's current value, or a
1359 forwarding pointer to where that value is kept. This value is the
1360 one that corresponds to the loaded binding. To read or set the
1361 variable, you must first make sure the right binding is loaded;
1362 then you can access the value in (or through) `realvalue'.
1364 `buffer' and `frame' are the buffer and frame for which the loaded
1365 binding was found. If those have changed, to make sure the right
1366 binding is loaded it is necessary to find which binding goes with
1367 the current buffer and selected frame, then load it. To load it,
1368 first unload the previous binding, then copy the value of the new
1369 binding into `realvalue' (or through it). Also update
1370 LOADED-BINDING to point to the newly loaded binding.
1372 `local_if_set' indicates that merely setting the variable creates a
1373 local binding for the current buffer. Otherwise the latter, setting
1374 the variable does not do that; only make-local-variable does that. */
1376 struct Lisp_Buffer_Local_Value
1378 /* 1 means that merely setting the variable creates a local
1379 binding for the current buffer */
1380 unsigned int local_if_set
: 1;
1381 /* 1 means this variable can have frame-local bindings, otherwise, it is
1382 can have buffer-local bindings. The two cannot be combined. */
1383 unsigned int frame_local
: 1;
1384 /* 1 means that the binding now loaded was found.
1385 Presumably equivalent to (defcell!=valcell) */
1386 unsigned int found
: 1;
1387 /* If non-NULL, a forwarding to the C var where it should also be set. */
1388 union Lisp_Fwd
*fwd
; /* Should never be (Buffer|Kboard)_Objfwd. */
1389 /* The buffer or frame for which the loaded binding was found. */
1391 /* A cons cell that holds the default value. It has the form
1392 (SYMBOL . DEFAULT-VALUE). */
1393 Lisp_Object defcell
;
1394 /* The cons cell from `where's parameter alist.
1395 It always has the form (SYMBOL . VALUE)
1396 Note that if `forward' is non-nil, VALUE may be out of date.
1397 Also if the currently loaded binding is the default binding, then
1398 this is `eq'ual to defcell. */
1399 Lisp_Object valcell
;
1402 #define BLV_FOUND(blv) \
1403 (eassert ((blv)->found == !EQ ((blv)->defcell, (blv)->valcell)), (blv)->found)
1404 #define SET_BLV_FOUND(blv, v) \
1405 (eassert ((v) == !EQ ((blv)->defcell, (blv)->valcell)), (blv)->found = (v))
1407 #define BLV_VALUE(blv) (XCDR ((blv)->valcell))
1408 #define SET_BLV_VALUE(blv, v) (XSETCDR ((blv)->valcell, v))
1410 /* START and END are markers in the overlay's buffer, and
1411 PLIST is the overlay's property list. */
1413 /* An overlay's real data content is:
1416 - insertion type of both ends
1417 - start & start_byte
1419 - next (singly linked list of overlays).
1420 - start_next and end_next (singly linked list of markers).
1421 I.e. 9words plus 2 bits, 3words of which are for external linked lists.
1424 enum Lisp_Misc_Type type
: 16; /* = Lisp_Misc_Overlay */
1425 unsigned gcmarkbit
: 1;
1427 struct Lisp_Overlay
*next
;
1428 Lisp_Object start
, end
, plist
;
1431 /* Like Lisp_Objfwd except that value lives in a slot in the
1433 struct Lisp_Kboard_Objfwd
1435 enum Lisp_Fwd_Type type
; /* = Lisp_Fwd_Kboard_Obj */
1439 /* Hold a C pointer for later use.
1440 This type of object is used in the arg to record_unwind_protect. */
1441 struct Lisp_Save_Value
1443 enum Lisp_Misc_Type type
: 16; /* = Lisp_Misc_Save_Value */
1444 unsigned gcmarkbit
: 1;
1446 /* If DOGC is set, POINTER is the address of a memory
1447 area containing INTEGER potential Lisp_Objects. */
1448 unsigned int dogc
: 1;
1454 /* A miscellaneous object, when it's on the free list. */
1457 enum Lisp_Misc_Type type
: 16; /* = Lisp_Misc_Free */
1458 unsigned gcmarkbit
: 1;
1460 union Lisp_Misc
*chain
;
1462 /* Try to make sure that sizeof(Lisp_Misc) preserves TYPEBITS-alignment.
1463 This assumes that Lisp_Marker is the largest of the alternatives and
1464 that Lisp_Misc_Any has the same size as "Lisp_Free w/o padding". */
1465 char padding
[((((sizeof (struct Lisp_Marker
) - 1) >> GCTYPEBITS
) + 1)
1466 << GCTYPEBITS
) - sizeof (struct Lisp_Misc_Any
)];
1470 /* To get the type field of a union Lisp_Misc, use XMISCTYPE.
1471 It uses one of these struct subtypes to get the type field. */
1475 struct Lisp_Misc_Any u_any
; /* Supertype of all Misc types. */
1476 struct Lisp_Free u_free
; /* Includes padding to force alignment. */
1477 struct Lisp_Marker u_marker
; /* 5 */
1478 struct Lisp_Overlay u_overlay
; /* 5 */
1479 struct Lisp_Save_Value u_save_value
; /* 3 */
1484 struct Lisp_Intfwd u_intfwd
; /* 2 */
1485 struct Lisp_Boolfwd u_boolfwd
; /* 2 */
1486 struct Lisp_Objfwd u_objfwd
; /* 2 */
1487 struct Lisp_Buffer_Objfwd u_buffer_objfwd
; /* 2 */
1488 struct Lisp_Kboard_Objfwd u_kboard_objfwd
; /* 2 */
1491 /* Lisp floating point type */
1496 #ifdef HIDE_LISP_IMPLEMENTATION
1501 struct Lisp_Float
*chain
;
1505 #ifdef HIDE_LISP_IMPLEMENTATION
1506 #define XFLOAT_DATA(f) (0 ? XFLOAT (f)->u.data_ : XFLOAT (f)->u.data_)
1508 #define XFLOAT_DATA(f) (0 ? XFLOAT (f)->u.data : XFLOAT (f)->u.data)
1509 /* This should be used only in alloc.c, which always disables
1510 HIDE_LISP_IMPLEMENTATION. */
1511 #define XFLOAT_INIT(f,n) (XFLOAT (f)->u.data = (n))
1514 /* A character, declared with the following typedef, is a member
1515 of some character set associated with the current buffer. */
1516 #ifndef _UCHAR_T /* Protect against something in ctab.h on AIX. */
1518 typedef unsigned char UCHAR
;
1521 /* Meanings of slots in a Lisp_Compiled: */
1523 #define COMPILED_ARGLIST 0
1524 #define COMPILED_BYTECODE 1
1525 #define COMPILED_CONSTANTS 2
1526 #define COMPILED_STACK_DEPTH 3
1527 #define COMPILED_DOC_STRING 4
1528 #define COMPILED_INTERACTIVE 5
1530 /* Flag bits in a character. These also get used in termhooks.h.
1531 Richard Stallman <rms@gnu.ai.mit.edu> thinks that MULE
1532 (MUlti-Lingual Emacs) might need 22 bits for the character value
1533 itself, so we probably shouldn't use any bits lower than 0x0400000. */
1534 #define CHAR_ALT (0x0400000)
1535 #define CHAR_SUPER (0x0800000)
1536 #define CHAR_HYPER (0x1000000)
1537 #define CHAR_SHIFT (0x2000000)
1538 #define CHAR_CTL (0x4000000)
1539 #define CHAR_META (0x8000000)
1541 #define CHAR_MODIFIER_MASK \
1542 (CHAR_ALT | CHAR_SUPER | CHAR_HYPER | CHAR_SHIFT | CHAR_CTL | CHAR_META)
1545 /* Actually, the current Emacs uses 22 bits for the character value
1547 #define CHARACTERBITS 22
1549 /* The maximum byte size consumed by push_key_description.
1550 All callers should assure that at least this size of memory is
1551 allocated at the place pointed by the second argument.
1553 There are 6 modifiers, each consumes 2 chars.
1554 The octal form of a character code consumes
1555 (1 + CHARACTERBITS / 3 + 1) chars (including backslash at the head).
1556 We need one more byte for string terminator `\0'. */
1557 #define KEY_DESCRIPTION_SIZE ((2 * 6) + 1 + (CHARACTERBITS / 3) + 1 + 1)
1560 /* The glyph datatype, used to represent characters on the display.
1561 It consists of a char code and a face id. */
1568 /* Return a glyph's character code. */
1569 #define GLYPH_CHAR(glyph) ((glyph).ch)
1571 /* Return a glyph's face ID. */
1572 #define GLYPH_FACE(glyph) ((glyph).face_id)
1574 #define SET_GLYPH_CHAR(glyph, char) ((glyph).ch = (char))
1575 #define SET_GLYPH_FACE(glyph, face) ((glyph).face_id = (face))
1576 #define SET_GLYPH(glyph, char, face) ((glyph).ch = (char), (glyph).face_id = (face))
1578 /* Return 1 if GLYPH contains valid character code. */
1579 #define GLYPH_CHAR_VALID_P(glyph) CHAR_VALID_P (GLYPH_CHAR (glyph), 1)
1582 /* Glyph Code from a display vector may either be an integer which
1583 encodes a char code in the lower CHARACTERBITS bits and a (very small)
1584 face-id in the upper bits, or it may be a cons (CHAR . FACE-ID). */
1586 #define GLYPH_CODE_CHAR(gc) \
1587 (CONSP (gc) ? XINT (XCAR (gc)) : INTEGERP (gc) ? (XINT (gc) & ((1 << CHARACTERBITS)-1)) : 0)
1589 #define GLYPH_CODE_FACE(gc) \
1590 (CONSP (gc) ? XINT (XCDR (gc)) : INTEGERP (gc) ? (XINT (gc) >> CHARACTERBITS) : DEFAULT_FACE_ID)
1592 /* Return 1 if glyph code from display vector contains valid character code. */
1593 #define GLYPH_CODE_CHAR_VALID_P(gc) CHAR_VALID_P (GLYPH_CODE_CHAR (gc), 1)
1595 #define GLYPH_CODE_P(gc) ((CONSP (gc) && INTEGERP (XCAR (gc)) && INTEGERP (XCDR (gc))) || INTEGERP (gc))
1597 /* Only called when GLYPH_CODE_P (gc) is true. */
1598 #define SET_GLYPH_FROM_GLYPH_CODE(glyph, gc) \
1602 SET_GLYPH (glyph, XINT (XCAR (gc)), XINT (XCDR (gc))); \
1604 SET_GLYPH (glyph, (XINT (gc) & ((1 << CHARACTERBITS)-1)), \
1605 (XINT (gc) >> CHARACTERBITS)); \
1609 /* The ID of the mode line highlighting face. */
1610 #define GLYPH_MODE_LINE_FACE 1
1612 /* Structure to hold mouse highlight data. This is here because other
1613 header files need it for defining struct x_output etc. */
1615 /* These variables describe the range of text currently shown in its
1616 mouse-face, together with the window they apply to. As long as
1617 the mouse stays within this range, we need not redraw anything on
1618 its account. Rows and columns are glyph matrix positions in
1619 MOUSE_FACE_WINDOW. */
1620 int mouse_face_beg_row
, mouse_face_beg_col
;
1621 int mouse_face_beg_x
, mouse_face_beg_y
;
1622 int mouse_face_end_row
, mouse_face_end_col
;
1623 int mouse_face_end_x
, mouse_face_end_y
;
1624 int mouse_face_past_end
;
1625 Lisp_Object mouse_face_window
;
1626 int mouse_face_face_id
;
1627 Lisp_Object mouse_face_overlay
;
1629 /* 1 if a mouse motion event came and we didn't handle it right away because
1630 gc was in progress. */
1631 int mouse_face_deferred_gc
;
1633 /* FRAME and X, Y position of mouse when last checked for
1634 highlighting. X and Y can be negative or out of range for the frame. */
1635 struct frame
*mouse_face_mouse_frame
;
1636 int mouse_face_mouse_x
, mouse_face_mouse_y
;
1638 /* Nonzero means defer mouse-motion highlighting. */
1639 int mouse_face_defer
;
1641 /* Nonzero means that the mouse highlight should not be shown. */
1642 int mouse_face_hidden
;
1644 int mouse_face_image_state
;
1647 /* Data type checking */
1649 #define NILP(x) EQ (x, Qnil)
1651 #define NUMBERP(x) (INTEGERP (x) || FLOATP (x))
1652 #define NATNUMP(x) (INTEGERP (x) && XINT (x) >= 0)
1654 #define INTEGERP(x) (LISP_INT_TAG_P (XTYPE ((x))))
1655 #define SYMBOLP(x) (XTYPE ((x)) == Lisp_Symbol)
1656 #define MISCP(x) (XTYPE ((x)) == Lisp_Misc)
1657 #define VECTORLIKEP(x) (XTYPE ((x)) == Lisp_Vectorlike)
1658 #define STRINGP(x) (XTYPE ((x)) == Lisp_String)
1659 #define CONSP(x) (XTYPE ((x)) == Lisp_Cons)
1661 #define FLOATP(x) (XTYPE ((x)) == Lisp_Float)
1662 #define VECTORP(x) (VECTORLIKEP (x) && !(ASIZE (x) & PSEUDOVECTOR_FLAG))
1663 #define OVERLAYP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Overlay)
1664 #define MARKERP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Marker)
1665 #define SAVE_VALUEP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Save_Value)
1667 #define INTFWDP(x) (XFWDTYPE (x) == Lisp_Fwd_Int)
1668 #define BOOLFWDP(x) (XFWDTYPE (x) == Lisp_Fwd_Bool)
1669 #define OBJFWDP(x) (XFWDTYPE (x) == Lisp_Fwd_Obj)
1670 #define BUFFER_OBJFWDP(x) (XFWDTYPE (x) == Lisp_Fwd_Buffer_Obj)
1671 #define KBOARD_OBJFWDP(x) (XFWDTYPE (x) == Lisp_Fwd_Kboard_Obj)
1673 /* True if object X is a pseudovector whose code is CODE. The cast to struct
1674 vectorlike_header * avoids aliasing issues. */
1675 #define PSEUDOVECTORP(x, code) \
1676 TYPED_PSEUDOVECTORP(x, vectorlike_header, code)
1678 /* True if object X, with internal type struct T *, is a pseudovector whose
1680 #define TYPED_PSEUDOVECTORP(x, t, code) \
1682 && (((((struct t *) XPNTR (x))->size \
1683 & (PSEUDOVECTOR_FLAG | (code)))) \
1684 == (PSEUDOVECTOR_FLAG | (code))))
1686 /* Test for specific pseudovector types. */
1687 #define WINDOW_CONFIGURATIONP(x) PSEUDOVECTORP (x, PVEC_WINDOW_CONFIGURATION)
1688 #define PROCESSP(x) PSEUDOVECTORP (x, PVEC_PROCESS)
1689 #define WINDOWP(x) PSEUDOVECTORP (x, PVEC_WINDOW)
1690 #define TERMINALP(x) PSEUDOVECTORP (x, PVEC_TERMINAL)
1691 /* SUBRP is special since Lisp_Subr lacks struct vectorlike_header. */
1692 #define SUBRP(x) TYPED_PSEUDOVECTORP (x, Lisp_Subr, PVEC_SUBR)
1693 #define COMPILEDP(x) PSEUDOVECTORP (x, PVEC_COMPILED)
1694 #define BUFFERP(x) PSEUDOVECTORP (x, PVEC_BUFFER)
1695 #define CHAR_TABLE_P(x) PSEUDOVECTORP (x, PVEC_CHAR_TABLE)
1696 #define SUB_CHAR_TABLE_P(x) PSEUDOVECTORP (x, PVEC_SUB_CHAR_TABLE)
1697 #define BOOL_VECTOR_P(x) PSEUDOVECTORP (x, PVEC_BOOL_VECTOR)
1698 #define FRAMEP(x) PSEUDOVECTORP (x, PVEC_FRAME)
1700 /* Test for image (image . spec) */
1701 #define IMAGEP(x) (CONSP (x) && EQ (XCAR (x), Qimage))
1706 (VECTORP (x) || STRINGP (x) || CHAR_TABLE_P (x) || BOOL_VECTOR_P (x))
1708 #define CHECK_LIST(x) \
1709 CHECK_TYPE (CONSP (x) || NILP (x), Qlistp, x)
1711 #define CHECK_LIST_CONS(x, y) \
1712 CHECK_TYPE (CONSP (x), Qlistp, y)
1714 #define CHECK_LIST_END(x, y) \
1715 CHECK_TYPE (NILP (x), Qlistp, y)
1717 #define CHECK_STRING(x) \
1718 CHECK_TYPE (STRINGP (x), Qstringp, x)
1720 #define CHECK_STRING_CAR(x) \
1721 CHECK_TYPE (STRINGP (XCAR (x)), Qstringp, XCAR (x))
1723 #define CHECK_CONS(x) \
1724 CHECK_TYPE (CONSP (x), Qconsp, x)
1726 #define CHECK_SYMBOL(x) \
1727 CHECK_TYPE (SYMBOLP (x), Qsymbolp, x)
1729 #define CHECK_CHAR_TABLE(x) \
1730 CHECK_TYPE (CHAR_TABLE_P (x), Qchar_table_p, x)
1732 #define CHECK_VECTOR(x) \
1733 CHECK_TYPE (VECTORP (x), Qvectorp, x)
1735 #define CHECK_VECTOR_OR_STRING(x) \
1736 CHECK_TYPE (VECTORP (x) || STRINGP (x), Qarrayp, x)
1738 #define CHECK_ARRAY(x, Qxxxp) \
1739 CHECK_TYPE (ARRAYP (x), Qxxxp, x)
1741 #define CHECK_VECTOR_OR_CHAR_TABLE(x) \
1742 CHECK_TYPE (VECTORP (x) || CHAR_TABLE_P (x), Qvector_or_char_table_p, x)
1744 #define CHECK_BUFFER(x) \
1745 CHECK_TYPE (BUFFERP (x), Qbufferp, x)
1747 #define CHECK_WINDOW(x) \
1748 CHECK_TYPE (WINDOWP (x), Qwindowp, x)
1750 #define CHECK_WINDOW_CONFIGURATION(x) \
1751 CHECK_TYPE (WINDOW_CONFIGURATIONP (x), Qwindow_configuration_p, x)
1753 /* This macro rejects windows on the interior of the window tree as
1754 "dead", which is what we want; this is an argument-checking macro, and
1755 the user should never get access to interior windows.
1757 A window of any sort, leaf or interior, is dead if the buffer,
1758 vchild, and hchild members are all nil. */
1760 #define CHECK_LIVE_WINDOW(x) \
1761 CHECK_TYPE (WINDOWP (x) && !NILP (XWINDOW (x)->buffer), Qwindow_live_p, x)
1763 #define CHECK_PROCESS(x) \
1764 CHECK_TYPE (PROCESSP (x), Qprocessp, x)
1766 #define CHECK_SUBR(x) \
1767 CHECK_TYPE (SUBRP (x), Qsubrp, x)
1769 #define CHECK_NUMBER(x) \
1770 CHECK_TYPE (INTEGERP (x), Qintegerp, x)
1772 #define CHECK_NATNUM(x) \
1773 CHECK_TYPE (NATNUMP (x), Qwholenump, x)
1775 #define CHECK_MARKER(x) \
1776 CHECK_TYPE (MARKERP (x), Qmarkerp, x)
1778 #define CHECK_NUMBER_COERCE_MARKER(x) \
1779 do { if (MARKERP ((x))) XSETFASTINT (x, marker_position (x)); \
1780 else CHECK_TYPE (INTEGERP (x), Qinteger_or_marker_p, x); } while (0)
1782 #define XFLOATINT(n) extract_float((n))
1784 #define CHECK_FLOAT(x) \
1785 CHECK_TYPE (FLOATP (x), Qfloatp, x)
1787 #define CHECK_NUMBER_OR_FLOAT(x) \
1788 CHECK_TYPE (FLOATP (x) || INTEGERP (x), Qnumberp, x)
1790 #define CHECK_NUMBER_OR_FLOAT_COERCE_MARKER(x) \
1791 do { if (MARKERP (x)) XSETFASTINT (x, marker_position (x)); \
1792 else CHECK_TYPE (INTEGERP (x) || FLOATP (x), Qnumber_or_marker_p, x); } while (0)
1794 #define CHECK_OVERLAY(x) \
1795 CHECK_TYPE (OVERLAYP (x), Qoverlayp, x)
1797 /* Since we can't assign directly to the CAR or CDR fields of a cons
1798 cell, use these when checking that those fields contain numbers. */
1799 #define CHECK_NUMBER_CAR(x) \
1801 Lisp_Object tmp = XCAR (x); \
1802 CHECK_NUMBER (tmp); \
1803 XSETCAR ((x), tmp); \
1806 #define CHECK_NUMBER_CDR(x) \
1808 Lisp_Object tmp = XCDR (x); \
1809 CHECK_NUMBER (tmp); \
1810 XSETCDR ((x), tmp); \
1813 #define CHECK_NATNUM_CAR(x) \
1815 Lisp_Object tmp = XCAR (x); \
1816 CHECK_NATNUM (tmp); \
1817 XSETCAR ((x), tmp); \
1820 #define CHECK_NATNUM_CDR(x) \
1822 Lisp_Object tmp = XCDR (x); \
1823 CHECK_NATNUM (tmp); \
1824 XSETCDR ((x), tmp); \
1827 /* Cast pointers to this type to compare them. */
1828 #define PNTR_COMPARISON_TYPE uintptr_t
1830 /* Define a built-in function for calling from Lisp.
1831 `lname' should be the name to give the function in Lisp,
1832 as a null-terminated C string.
1833 `fnname' should be the name of the function in C.
1834 By convention, it starts with F.
1835 `sname' should be the name for the C constant structure
1836 that records information on this function for internal use.
1837 By convention, it should be the same as `fnname' but with S instead of F.
1838 It's too bad that C macros can't compute this from `fnname'.
1839 `minargs' should be a number, the minimum number of arguments allowed.
1840 `maxargs' should be a number, the maximum number of arguments allowed,
1841 or else MANY or UNEVALLED.
1842 MANY means pass a vector of evaluated arguments,
1843 in the form of an integer number-of-arguments
1844 followed by the address of a vector of Lisp_Objects
1845 which contains the argument values.
1846 UNEVALLED means pass the list of unevaluated arguments
1847 `intspec' says how interactive arguments are to be fetched.
1848 If the string starts with a `(', `intspec' is evaluated and the resulting
1849 list is the list of arguments.
1850 If it's a string that doesn't start with `(', the value should follow
1851 the one of the doc string for `interactive'.
1852 A null string means call interactively with no arguments.
1853 `doc' is documentation for the user. */
1855 /* This version of DEFUN declares a function prototype with the right
1856 arguments, so we can catch errors with maxargs at compile-time. */
1857 #define DEFUN(lname, fnname, sname, minargs, maxargs, intspec, doc) \
1858 Lisp_Object fnname DEFUN_ARGS_ ## maxargs ; \
1859 static DECL_ALIGN (struct Lisp_Subr, sname) = \
1860 { PVEC_SUBR | (sizeof (struct Lisp_Subr) / sizeof (EMACS_INT)), \
1861 { .a ## maxargs = fnname }, \
1862 minargs, maxargs, lname, intspec, 0}; \
1865 /* Note that the weird token-substitution semantics of ANSI C makes
1866 this work for MANY and UNEVALLED. */
1867 #define DEFUN_ARGS_MANY (size_t, Lisp_Object *)
1868 #define DEFUN_ARGS_UNEVALLED (Lisp_Object)
1869 #define DEFUN_ARGS_0 (void)
1870 #define DEFUN_ARGS_1 (Lisp_Object)
1871 #define DEFUN_ARGS_2 (Lisp_Object, Lisp_Object)
1872 #define DEFUN_ARGS_3 (Lisp_Object, Lisp_Object, Lisp_Object)
1873 #define DEFUN_ARGS_4 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object)
1874 #define DEFUN_ARGS_5 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, \
1876 #define DEFUN_ARGS_6 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, \
1877 Lisp_Object, Lisp_Object)
1878 #define DEFUN_ARGS_7 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, \
1879 Lisp_Object, Lisp_Object, Lisp_Object)
1880 #define DEFUN_ARGS_8 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, \
1881 Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object)
1883 /* Non-zero if OBJ is a Lisp function. */
1884 #define FUNCTIONP(OBJ) \
1885 ((CONSP (OBJ) && EQ (XCAR (OBJ), Qlambda)) \
1886 || (SYMBOLP (OBJ) && !NILP (Ffboundp (OBJ))) \
1887 || COMPILEDP (OBJ) \
1891 is how we define the symbol for function `name' at start-up time. */
1892 extern void defsubr (struct Lisp_Subr
*);
1895 #define UNEVALLED -1
1897 extern void defvar_lisp (struct Lisp_Objfwd
*, const char *, Lisp_Object
*);
1898 extern void defvar_lisp_nopro (struct Lisp_Objfwd
*, const char *, Lisp_Object
*);
1899 extern void defvar_bool (struct Lisp_Boolfwd
*, const char *, int *);
1900 extern void defvar_int (struct Lisp_Intfwd
*, const char *, EMACS_INT
*);
1901 extern void defvar_kboard (struct Lisp_Kboard_Objfwd
*, const char *, int);
1903 /* Macros we use to define forwarded Lisp variables.
1904 These are used in the syms_of_FILENAME functions.
1906 An ordinary (not in buffer_defaults, per-buffer, or per-keyboard)
1907 lisp variable is actually a field in `struct emacs_globals'. The
1908 field's name begins with "f_", which is a convention enforced by
1909 these macros. Each such global has a corresponding #define in
1910 globals.h; the plain name should be used in the code.
1912 E.g., the global "cons_cells_consed" is declared as "int
1913 f_cons_cells_consed" in globals.h, but there is a define:
1915 #define cons_cells_consed globals.f_cons_cells_consed
1917 All C code uses the `cons_cells_consed' name. This is all done
1918 this way to support indirection for multi-threaded Emacs. */
1920 #define DEFVAR_LISP(lname, vname, doc) \
1922 static struct Lisp_Objfwd o_fwd; \
1923 defvar_lisp (&o_fwd, lname, &globals.f_ ## vname); \
1925 #define DEFVAR_LISP_NOPRO(lname, vname, doc) \
1927 static struct Lisp_Objfwd o_fwd; \
1928 defvar_lisp_nopro (&o_fwd, lname, &globals.f_ ## vname); \
1930 #define DEFVAR_BOOL(lname, vname, doc) \
1932 static struct Lisp_Boolfwd b_fwd; \
1933 defvar_bool (&b_fwd, lname, &globals.f_ ## vname); \
1935 #define DEFVAR_INT(lname, vname, doc) \
1937 static struct Lisp_Intfwd i_fwd; \
1938 defvar_int (&i_fwd, lname, &globals.f_ ## vname); \
1941 #define DEFVAR_BUFFER_DEFAULTS(lname, vname, doc) \
1943 static struct Lisp_Objfwd o_fwd; \
1944 defvar_lisp_nopro (&o_fwd, lname, &BVAR (&buffer_defaults, vname)); \
1947 #define DEFVAR_KBOARD(lname, vname, doc) \
1949 static struct Lisp_Kboard_Objfwd ko_fwd; \
1950 defvar_kboard (&ko_fwd, \
1952 (int)((char *)(¤t_kboard->vname ## _) \
1953 - (char *)current_kboard)); \
1958 /* Structure for recording Lisp call stack for backtrace purposes. */
1960 /* The special binding stack holds the outer values of variables while
1961 they are bound by a function application or a let form, stores the
1962 code to be executed for Lisp unwind-protect forms, and stores the C
1963 functions to be called for record_unwind_protect.
1965 If func is non-zero, undoing this binding applies func to old_value;
1966 This implements record_unwind_protect.
1968 Otherwise, the element is a variable binding.
1970 If the symbol field is a symbol, it is an ordinary variable binding.
1972 Otherwise, it should be a structure (SYMBOL WHERE . CURRENT-BUFFER),
1973 which means having bound a local value while CURRENT-BUFFER was active.
1974 If WHERE is nil this means we saw the default value when binding SYMBOL.
1975 WHERE being a buffer or frame means we saw a buffer-local or frame-local
1976 value. Other values of WHERE mean an internal error. */
1978 typedef Lisp_Object (*specbinding_func
) (Lisp_Object
);
1982 Lisp_Object symbol
, old_value
;
1983 specbinding_func func
;
1984 Lisp_Object unused
; /* Dividing by 16 is faster than by 12 */
1987 extern struct specbinding
*specpdl
;
1988 extern struct specbinding
*specpdl_ptr
;
1989 extern EMACS_INT specpdl_size
;
1991 #define SPECPDL_INDEX() ((int) (specpdl_ptr - specpdl))
1993 /* Everything needed to describe an active condition case. */
1996 /* The handler clauses and variable from the condition-case form. */
1997 /* For a handler set up in Lisp code, this is always a list.
1998 For an internal handler set up by internal_condition_case*,
1999 this can instead be the symbol t or `error'.
2000 t: handle all conditions.
2001 error: handle all conditions, and errors can run the debugger
2002 or display a backtrace. */
2003 Lisp_Object handler
;
2005 /* Fsignal stores here the condition-case clause that applies,
2006 and Fcondition_case thus knows which clause to run. */
2007 Lisp_Object chosen_clause
;
2009 /* Used to effect the longjump out to the handler. */
2010 struct catchtag
*tag
;
2012 /* The next enclosing handler. */
2013 struct handler
*next
;
2016 /* This structure helps implement the `catch' and `throw' control
2017 structure. A struct catchtag contains all the information needed
2018 to restore the state of the interpreter after a non-local jump.
2020 Handlers for error conditions (represented by `struct handler'
2021 structures) just point to a catch tag to do the cleanup required
2024 catchtag structures are chained together in the C calling stack;
2025 the `next' member points to the next outer catchtag.
2027 A call like (throw TAG VAL) searches for a catchtag whose `tag'
2028 member is TAG, and then unbinds to it. The `val' member is used to
2029 hold VAL while the stack is unwound; `val' is returned as the value
2032 All the other members are concerned with restoring the interpreter
2039 struct catchtag
*next
;
2040 struct gcpro
*gcpro
;
2042 struct backtrace
*backlist
;
2043 struct handler
*handlerlist
;
2044 int lisp_eval_depth
;
2046 int poll_suppress_count
;
2047 int interrupt_input_blocked
;
2048 struct byte_stack
*byte_stack
;
2051 extern Lisp_Object memory_signal_data
;
2053 /* An address near the bottom of the stack.
2054 Tells GC how to save a copy of the stack. */
2055 extern char *stack_bottom
;
2057 /* Check quit-flag and quit if it is non-nil.
2058 Typing C-g does not directly cause a quit; it only sets Vquit_flag.
2059 So the program needs to do QUIT at times when it is safe to quit.
2060 Every loop that might run for a long time or might not exit
2061 ought to do QUIT at least once, at a safe place.
2062 Unless that is impossible, of course.
2063 But it is very desirable to avoid creating loops where QUIT is impossible.
2065 Exception: if you set immediate_quit to nonzero,
2066 then the handler that responds to the C-g does the quit itself.
2067 This is a good thing to do around a loop that has no side effects
2068 and (in particular) cannot call arbitrary Lisp code. */
2071 extern void process_pending_signals (void);
2072 extern int pending_signals
;
2073 #define ELSE_PENDING_SIGNALS \
2074 else if (pending_signals) \
2075 process_pending_signals ();
2076 #else /* not SYNC_INPUT */
2077 #define ELSE_PENDING_SIGNALS
2078 #endif /* not SYNC_INPUT */
2082 if (!NILP (Vquit_flag) && NILP (Vinhibit_quit)) \
2084 Lisp_Object flag = Vquit_flag; \
2085 Vquit_flag = Qnil; \
2086 if (EQ (Vthrow_on_input, flag)) \
2087 Fthrow (Vthrow_on_input, Qt); \
2088 Fsignal (Qquit, Qnil); \
2090 ELSE_PENDING_SIGNALS \
2094 /* Nonzero if ought to quit now. */
2096 #define QUITP (!NILP (Vquit_flag) && NILP (Vinhibit_quit))
2098 extern Lisp_Object Vascii_downcase_table
;
2099 extern Lisp_Object Vascii_canon_table
;
2101 /* Number of bytes of structure consed since last GC. */
2103 extern int consing_since_gc
;
2105 extern EMACS_INT gc_relative_threshold
;
2107 extern EMACS_INT memory_full_cons_threshold
;
2109 /* Structure for recording stack slots that need marking. */
2111 /* This is a chain of structures, each of which points at a Lisp_Object
2112 variable whose value should be marked in garbage collection.
2113 Normally every link of the chain is an automatic variable of a function,
2114 and its `val' points to some argument or local variable of the function.
2115 On exit to the function, the chain is set back to the value it had on entry.
2116 This way, no link remains in the chain when the stack frame containing the
2119 Every function that can call Feval must protect in this fashion all
2120 Lisp_Object variables whose contents will be used again. */
2122 extern struct gcpro
*gcprolist
;
2128 /* Address of first protected variable. */
2129 volatile Lisp_Object
*var
;
2131 /* Number of consecutive protected variables. */
2139 /* Values of GC_MARK_STACK during compilation:
2141 0 Use GCPRO as before
2142 1 Do the real thing, make GCPROs and UNGCPRO no-ops.
2143 2 Mark the stack, and check that everything GCPRO'd is
2145 3 Mark using GCPRO's, mark stack last, and count how many
2146 dead objects are kept alive. */
2149 #define GC_USE_GCPROS_AS_BEFORE 0
2150 #define GC_MAKE_GCPROS_NOOPS 1
2151 #define GC_MARK_STACK_CHECK_GCPROS 2
2152 #define GC_USE_GCPROS_CHECK_ZOMBIES 3
2154 #ifndef GC_MARK_STACK
2155 #define GC_MARK_STACK GC_USE_GCPROS_AS_BEFORE
2158 /* Whether we do the stack marking manually. */
2159 #define BYTE_MARK_STACK !(GC_MARK_STACK == GC_MAKE_GCPROS_NOOPS \
2160 || GC_MARK_STACK == GC_MARK_STACK_CHECK_GCPROS)
2163 #define GCPRO1(var) \
2164 GCPRO1_VAR (var, gcpro)
2165 #define GCPRO2(var1, var2) \
2166 GCPRO2_VAR (var1, var2, gcpro)
2167 #define GCPRO3(var1, var2, var3) \
2168 GCPRO3_VAR (var1, var2, var3, gcpro)
2169 #define GCPRO4(var1, var2, var3, var4) \
2170 GCPRO4_VAR (var1, var2, var3, var4, gcpro)
2171 #define GCPRO5(var1, var2, var3, var4, var5) \
2172 GCPRO5_VAR (var1, var2, var3, var4, var5, gcpro)
2173 #define GCPRO6(var1, var2, var3, var4, var5, var6) \
2174 GCPRO6_VAR (var1, var2, var3, var4, var5, var6, gcpro)
2175 #define UNGCPRO UNGCPRO_VAR (gcpro)
2177 #if GC_MARK_STACK == GC_MAKE_GCPROS_NOOPS
2179 /* Do something silly with gcproN vars just so gcc shuts up. */
2180 /* You get warnings from MIPSPro... */
2182 #define GCPRO1_VAR(var, gcpro) ((void) gcpro##1)
2183 #define GCPRO2_VAR(var1, var2, gcpro) \
2184 ((void) gcpro##2, (void) gcpro##1)
2185 #define GCPRO3_VAR(var1, var2, var3, gcpro) \
2186 ((void) gcpro##3, (void) gcpro##2, (void) gcpro##1)
2187 #define GCPRO4_VAR(var1, var2, var3, var4, gcpro) \
2188 ((void) gcpro##4, (void) gcpro##3, (void) gcpro##2, (void) gcpro##1)
2189 #define GCPRO5_VAR(var1, var2, var3, var4, var5, gcpro) \
2190 ((void) gcpro##5, (void) gcpro##4, (void) gcpro##3, (void) gcpro##2, \
2192 #define GCPRO6_VAR(var1, var2, var3, var4, var5, var6, gcpro) \
2193 ((void) gcpro##6, (void) gcpro##5, (void) gcpro##4, (void) gcpro##3, \
2194 (void) gcpro##2, (void) gcpro##1)
2195 #define UNGCPRO_VAR(gcpro) ((void) 0)
2197 #else /* GC_MARK_STACK != GC_MAKE_GCPROS_NOOPS */
2201 #define GCPRO1_VAR(var, gcpro) \
2202 {gcpro##1.next = gcprolist; gcpro##1.var = &var; gcpro##1.nvars = 1; \
2203 gcprolist = &gcpro##1; }
2205 #define GCPRO2_VAR(var1, var2, gcpro) \
2206 {gcpro##1.next = gcprolist; gcpro##1.var = &var1; gcpro##1.nvars = 1; \
2207 gcpro##2.next = &gcpro##1; gcpro##2.var = &var2; gcpro##2.nvars = 1; \
2208 gcprolist = &gcpro##2; }
2210 #define GCPRO3_VAR(var1, var2, var3, gcpro) \
2211 {gcpro##1.next = gcprolist; gcpro##1.var = &var1; gcpro##1.nvars = 1; \
2212 gcpro##2.next = &gcpro##1; gcpro##2.var = &var2; gcpro##2.nvars = 1; \
2213 gcpro##3.next = &gcpro##2; gcpro##3.var = &var3; gcpro##3.nvars = 1; \
2214 gcprolist = &gcpro##3; }
2216 #define GCPRO4_VAR(var1, var2, var3, var4, gcpro) \
2217 {gcpro##1.next = gcprolist; gcpro##1.var = &var1; gcpro##1.nvars = 1; \
2218 gcpro##2.next = &gcpro##1; gcpro##2.var = &var2; gcpro##2.nvars = 1; \
2219 gcpro##3.next = &gcpro##2; gcpro##3.var = &var3; gcpro##3.nvars = 1; \
2220 gcpro##4.next = &gcpro##3; gcpro##4.var = &var4; gcpro##4.nvars = 1; \
2221 gcprolist = &gcpro##4; }
2223 #define GCPRO5_VAR(var1, var2, var3, var4, var5, gcpro) \
2224 {gcpro##1.next = gcprolist; gcpro##1.var = &var1; gcpro##1.nvars = 1; \
2225 gcpro##2.next = &gcpro##1; gcpro##2.var = &var2; gcpro##2.nvars = 1; \
2226 gcpro##3.next = &gcpro##2; gcpro##3.var = &var3; gcpro##3.nvars = 1; \
2227 gcpro##4.next = &gcpro##3; gcpro##4.var = &var4; gcpro##4.nvars = 1; \
2228 gcpro##5.next = &gcpro##4; gcpro##5.var = &var5; gcpro##5.nvars = 1; \
2229 gcprolist = &gcpro##5; }
2231 #define GCPRO6_VAR(var1, var2, var3, var4, var5, var6, gcpro) \
2232 {gcpro##1.next = gcprolist; gcpro##1.var = &var1; gcpro##1.nvars = 1; \
2233 gcpro##2.next = &gcpro##1; gcpro##2.var = &var2; gcpro##2.nvars = 1; \
2234 gcpro##3.next = &gcpro##2; gcpro##3.var = &var3; gcpro##3.nvars = 1; \
2235 gcpro##4.next = &gcpro##3; gcpro##4.var = &var4; gcpro##4.nvars = 1; \
2236 gcpro##5.next = &gcpro##4; gcpro##5.var = &var5; gcpro##5.nvars = 1; \
2237 gcpro##6.next = &gcpro##5; gcpro##6.var = &var6; gcpro##6.nvars = 1; \
2238 gcprolist = &gcpro##6; }
2240 #define UNGCPRO_VAR(gcpro) (gcprolist = gcpro##1.next)
2244 extern int gcpro_level
;
2246 #define GCPRO1_VAR(var, gcpro) \
2247 {gcpro##1.next = gcprolist; gcpro##1.var = &var; gcpro##1.nvars = 1; \
2248 gcpro##1.level = gcpro_level++; \
2249 gcprolist = &gcpro##1; }
2251 #define GCPRO2_VAR(var1, var2, gcpro) \
2252 {gcpro##1.next = gcprolist; gcpro##1.var = &var1; gcpro##1.nvars = 1; \
2253 gcpro##1.level = gcpro_level; \
2254 gcpro##2.next = &gcpro##1; gcpro##2.var = &var2; gcpro##2.nvars = 1; \
2255 gcpro##2.level = gcpro_level++; \
2256 gcprolist = &gcpro##2; }
2258 #define GCPRO3_VAR(var1, var2, var3, gcpro) \
2259 {gcpro##1.next = gcprolist; gcpro##1.var = &var1; gcpro##1.nvars = 1; \
2260 gcpro##1.level = gcpro_level; \
2261 gcpro##2.next = &gcpro##1; gcpro##2.var = &var2; gcpro##2.nvars = 1; \
2262 gcpro##3.next = &gcpro##2; gcpro##3.var = &var3; gcpro##3.nvars = 1; \
2263 gcpro##3.level = gcpro_level++; \
2264 gcprolist = &gcpro##3; }
2266 #define GCPRO4_VAR(var1, var2, var3, var4, gcpro) \
2267 {gcpro##1.next = gcprolist; gcpro##1.var = &var1; gcpro##1.nvars = 1; \
2268 gcpro##1.level = gcpro_level; \
2269 gcpro##2.next = &gcpro##1; gcpro##2.var = &var2; gcpro##2.nvars = 1; \
2270 gcpro##3.next = &gcpro##2; gcpro##3.var = &var3; gcpro##3.nvars = 1; \
2271 gcpro##4.next = &gcpro##3; gcpro##4.var = &var4; gcpro##4.nvars = 1; \
2272 gcpro##4.level = gcpro_level++; \
2273 gcprolist = &gcpro##4; }
2275 #define GCPRO5_VAR(var1, var2, var3, var4, var5, gcpro) \
2276 {gcpro##1.next = gcprolist; gcpro##1.var = &var1; gcpro##1.nvars = 1; \
2277 gcpro##1.level = gcpro_level; \
2278 gcpro##2.next = &gcpro##1; gcpro##2.var = &var2; gcpro##2.nvars = 1; \
2279 gcpro##3.next = &gcpro##2; gcpro##3.var = &var3; gcpro##3.nvars = 1; \
2280 gcpro##4.next = &gcpro##3; gcpro##4.var = &var4; gcpro##4.nvars = 1; \
2281 gcpro##5.next = &gcpro##4; gcpro##5.var = &var5; gcpro##5.nvars = 1; \
2282 gcpro##5.level = gcpro_level++; \
2283 gcprolist = &gcpro##5; }
2285 #define GCPRO6_VAR(var1, var2, var3, var4, var5, var6, gcpro) \
2286 {gcpro##1.next = gcprolist; gcpro##1.var = &var1; gcpro##1.nvars = 1; \
2287 gcpro##1.level = gcpro_level; \
2288 gcpro##2.next = &gcpro##1; gcpro##2.var = &var2; gcpro##2.nvars = 1; \
2289 gcpro##3.next = &gcpro##2; gcpro##3.var = &var3; gcpro##3.nvars = 1; \
2290 gcpro##4.next = &gcpro##3; gcpro##4.var = &var4; gcpro##4.nvars = 1; \
2291 gcpro##5.next = &gcpro##4; gcpro##5.var = &var5; gcpro##5.nvars = 1; \
2292 gcpro##6.next = &gcpro##5; gcpro##6.var = &var6; gcpro##6.nvars = 1; \
2293 gcpro##6.level = gcpro_level++; \
2294 gcprolist = &gcpro##6; }
2296 #define UNGCPRO_VAR(gcpro) \
2297 ((--gcpro_level != gcpro##1.level) \
2299 : ((gcprolist = gcpro##1.next), 0))
2301 #endif /* DEBUG_GCPRO */
2302 #endif /* GC_MARK_STACK != GC_MAKE_GCPROS_NOOPS */
2305 /* Evaluate expr, UNGCPRO, and then return the value of expr. */
2306 #define RETURN_UNGCPRO(expr) \
2309 Lisp_Object ret_ungc_val; \
2310 ret_ungc_val = (expr); \
2312 return ret_ungc_val; \
2316 /* Call staticpro (&var) to protect static variable `var'. */
2318 void staticpro (Lisp_Object
*);
2320 /* Declare a Lisp-callable function. The MAXARGS parameter has the same
2321 meaning as in the DEFUN macro, and is used to construct a prototype. */
2322 /* We can use the same trick as in the DEFUN macro to generate the
2323 appropriate prototype. */
2324 #define EXFUN(fnname, maxargs) \
2325 extern Lisp_Object fnname DEFUN_ARGS_ ## maxargs
2327 /* Forward declarations for prototypes. */
2331 /* Defined in data.c. */
2332 extern Lisp_Object Qnil
, Qt
, Qquote
, Qlambda
, Qunbound
;
2333 extern Lisp_Object Qerror_conditions
, Qerror_message
, Qtop_level
;
2334 extern Lisp_Object Qerror
, Qquit
, Qargs_out_of_range
;
2335 extern Lisp_Object Qvoid_variable
, Qvoid_function
;
2336 extern Lisp_Object Qinvalid_read_syntax
;
2337 extern Lisp_Object Qinvalid_function
, Qwrong_number_of_arguments
, Qno_catch
;
2338 extern Lisp_Object Qend_of_file
, Qarith_error
, Qmark_inactive
;
2339 extern Lisp_Object Qbeginning_of_buffer
, Qend_of_buffer
, Qbuffer_read_only
;
2340 extern Lisp_Object Qtext_read_only
;
2341 extern Lisp_Object Qinteractive_form
;
2342 extern Lisp_Object Qcircular_list
;
2343 extern Lisp_Object Qintegerp
, Qwholenump
, Qsymbolp
, Qlistp
, Qconsp
;
2344 extern Lisp_Object Qstringp
, Qarrayp
, Qsequencep
, Qbufferp
;
2345 extern Lisp_Object Qchar_or_string_p
, Qmarkerp
, Qinteger_or_marker_p
, Qvectorp
;
2346 extern Lisp_Object Qbuffer_or_string_p
;
2347 extern Lisp_Object Qfboundp
;
2348 extern Lisp_Object Qchar_table_p
, Qvector_or_char_table_p
;
2350 extern Lisp_Object Qcdr
;
2352 extern Lisp_Object Qrange_error
, Qdomain_error
, Qsingularity_error
;
2353 extern Lisp_Object Qoverflow_error
, Qunderflow_error
;
2355 extern Lisp_Object Qfloatp
;
2356 extern Lisp_Object Qnumberp
, Qnumber_or_marker_p
;
2358 extern Lisp_Object Qinteger
;
2360 extern Lisp_Object Qfont_spec
, Qfont_entity
, Qfont_object
;
2362 EXFUN (Finteractive_form
, 1);
2363 EXFUN (Fbyteorder
, 0);
2365 /* Defined in frame.c */
2366 extern Lisp_Object Qframep
;
2368 /* Defined in data.c */
2370 EXFUN (Fcar_safe
, 1);
2372 EXFUN (Fcdr_safe
, 1);
2376 EXFUN (Ffboundp
, 1);
2377 EXFUN (Fsymbol_function
, 1);
2378 EXFUN (Fsymbol_name
, 1);
2379 extern Lisp_Object
indirect_function (Lisp_Object
);
2380 EXFUN (Findirect_function
, 2);
2382 EXFUN (Fsymbol_value
, 1);
2383 extern Lisp_Object
find_symbol_value (Lisp_Object
);
2385 EXFUN (Fdefault_value
, 1);
2386 EXFUN (Fset_default
, 2);
2387 EXFUN (Fdefault_boundp
, 1);
2388 EXFUN (Fmake_local_variable
, 1);
2389 EXFUN (Flocal_variable_p
, 2);
2394 EXFUN (Fstring_to_number
, 2);
2395 EXFUN (Fnumber_to_string
, 1);
2401 EXFUN (Fplus
, MANY
);
2402 EXFUN (Fminus
, MANY
);
2403 EXFUN (Ftimes
, MANY
);
2411 EXFUN (Fmake_variable_buffer_local
, 1);
2413 extern struct Lisp_Symbol
*indirect_variable (struct Lisp_Symbol
*);
2414 extern Lisp_Object
long_to_cons (unsigned long);
2415 extern unsigned long cons_to_long (Lisp_Object
);
2416 extern void args_out_of_range (Lisp_Object
, Lisp_Object
) NO_RETURN
;
2417 extern void args_out_of_range_3 (Lisp_Object
, Lisp_Object
,
2418 Lisp_Object
) NO_RETURN
;
2419 extern Lisp_Object
wrong_type_argument (Lisp_Object
, Lisp_Object
) NO_RETURN
;
2420 extern Lisp_Object
do_symval_forwarding (union Lisp_Fwd
*);
2421 extern void set_internal (Lisp_Object
, Lisp_Object
, Lisp_Object
, int);
2422 extern void syms_of_data (void);
2423 extern void init_data (void);
2424 extern void swap_in_global_binding (struct Lisp_Symbol
*);
2426 /* Defined in cmds.c */
2427 EXFUN (Fend_of_line
, 1);
2428 EXFUN (Fforward_char
, 1);
2429 EXFUN (Fforward_line
, 1);
2430 extern void syms_of_cmds (void);
2431 extern void keys_of_cmds (void);
2433 /* Defined in coding.c */
2434 extern Lisp_Object Qcharset
;
2435 EXFUN (Fcoding_system_p
, 1);
2436 EXFUN (Fcoding_system_base
, 1);
2437 EXFUN (Fcoding_system_eol_type
, 1);
2438 EXFUN (Fcheck_coding_system
, 1);
2439 EXFUN (Fread_coding_system
, 2);
2440 EXFUN (Fread_non_nil_coding_system
, 1);
2441 EXFUN (Ffind_operation_coding_system
, MANY
);
2442 EXFUN (Fdecode_coding_string
, 4);
2443 extern Lisp_Object
detect_coding_system (const unsigned char *, EMACS_INT
,
2444 EMACS_INT
, int, int, Lisp_Object
);
2445 extern void init_coding (void);
2446 extern void init_coding_once (void);
2447 extern void syms_of_coding (void);
2449 /* Defined in character.c */
2450 EXFUN (Fchar_width
, 1);
2451 EXFUN (Fstring
, MANY
);
2452 extern EMACS_INT
chars_in_text (const unsigned char *, EMACS_INT
);
2453 extern EMACS_INT
multibyte_chars_in_text (const unsigned char *, EMACS_INT
);
2454 extern int multibyte_char_to_unibyte (int);
2455 extern int multibyte_char_to_unibyte_safe (int);
2456 extern void init_character_once (void);
2457 extern void syms_of_character (void);
2459 /* Defined in charset.c */
2460 extern void init_charset (void);
2461 extern void init_charset_once (void);
2462 extern void syms_of_charset (void);
2463 /* Structure forward declarations. */
2466 /* Defined in composite.c */
2467 extern void syms_of_composite (void);
2469 /* Defined in syntax.c */
2470 EXFUN (Fforward_word
, 1);
2471 EXFUN (Fskip_chars_forward
, 2);
2472 EXFUN (Fskip_chars_backward
, 2);
2473 extern void init_syntax_once (void);
2474 extern void syms_of_syntax (void);
2476 /* Defined in fns.c */
2477 extern Lisp_Object QCrehash_size
, QCrehash_threshold
;
2478 extern int next_almost_prime (int);
2479 extern Lisp_Object
larger_vector (Lisp_Object
, int, Lisp_Object
);
2480 extern void sweep_weak_hash_tables (void);
2481 extern Lisp_Object Qcursor_in_echo_area
;
2482 extern Lisp_Object Qstring_lessp
;
2483 extern Lisp_Object QCsize
, QCtest
, QCweakness
, Qequal
, Qeq
, Qeql
;
2484 unsigned sxhash (Lisp_Object
, int);
2485 Lisp_Object
make_hash_table (Lisp_Object
, Lisp_Object
, Lisp_Object
,
2486 Lisp_Object
, Lisp_Object
, Lisp_Object
,
2488 int hash_lookup (struct Lisp_Hash_Table
*, Lisp_Object
, unsigned *);
2489 int hash_put (struct Lisp_Hash_Table
*, Lisp_Object
, Lisp_Object
,
2491 void init_weak_hash_tables (void);
2492 extern void init_fns (void);
2493 EXFUN (Fmake_hash_table
, MANY
);
2494 EXFUN (Fgethash
, 3);
2495 EXFUN (Fputhash
, 3);
2496 EXFUN (Fremhash
, 2);
2498 EXFUN (Fidentity
, 1);
2500 EXFUN (Fappend
, MANY
);
2501 EXFUN (Fconcat
, MANY
);
2502 EXFUN (Fvconcat
, MANY
);
2503 EXFUN (Fcopy_sequence
, 1);
2504 EXFUN (Fstring_make_multibyte
, 1);
2505 EXFUN (Fstring_make_unibyte
, 1);
2506 EXFUN (Fstring_as_multibyte
, 1);
2507 EXFUN (Fstring_as_unibyte
, 1);
2508 EXFUN (Fstring_to_multibyte
, 1);
2509 EXFUN (Fsubstring
, 3);
2510 extern Lisp_Object
substring_both (Lisp_Object
, EMACS_INT
, EMACS_INT
,
2511 EMACS_INT
, EMACS_INT
);
2523 EXFUN (Freverse
, 1);
2524 EXFUN (Fnreverse
, 1);
2528 EXFUN (Fnconc
, MANY
);
2530 EXFUN (Fmapconcat
, 3);
2531 extern Lisp_Object
do_yes_or_no_p (Lisp_Object
);
2532 EXFUN (Fprovide
, 2);
2533 extern Lisp_Object
concat2 (Lisp_Object
, Lisp_Object
);
2534 extern Lisp_Object
concat3 (Lisp_Object
, Lisp_Object
, Lisp_Object
);
2535 extern Lisp_Object
nconc2 (Lisp_Object
, Lisp_Object
);
2536 extern Lisp_Object
assq_no_quit (Lisp_Object
, Lisp_Object
);
2537 extern Lisp_Object
assoc_no_quit (Lisp_Object
, Lisp_Object
);
2538 extern void clear_string_char_byte_cache (void);
2539 extern EMACS_INT
string_char_to_byte (Lisp_Object
, EMACS_INT
);
2540 extern EMACS_INT
string_byte_to_char (Lisp_Object
, EMACS_INT
);
2541 extern Lisp_Object
string_to_multibyte (Lisp_Object
);
2542 extern Lisp_Object
string_make_unibyte (Lisp_Object
);
2543 EXFUN (Fcopy_alist
, 1);
2544 EXFUN (Fplist_get
, 2);
2545 EXFUN (Fplist_put
, 3);
2546 EXFUN (Fplist_member
, 2);
2548 EXFUN (Fstring_equal
, 2);
2549 EXFUN (Fcompare_strings
, 7);
2550 EXFUN (Fstring_lessp
, 2);
2551 extern void syms_of_fns (void);
2553 /* Defined in floatfns.c */
2554 extern double extract_float (Lisp_Object
);
2556 EXFUN (Ftruncate
, 2);
2557 extern void init_floatfns (void);
2558 extern void syms_of_floatfns (void);
2559 extern Lisp_Object
fmod_float (Lisp_Object x
, Lisp_Object y
);
2561 /* Defined in fringe.c */
2562 extern void syms_of_fringe (void);
2563 extern void init_fringe (void);
2564 #ifdef HAVE_WINDOW_SYSTEM
2565 extern void mark_fringe_data (void);
2566 extern void init_fringe_once (void);
2567 #endif /* HAVE_WINDOW_SYSTEM */
2569 /* Defined in image.c */
2570 extern Lisp_Object QCascent
, QCmargin
, QCrelief
;
2571 extern Lisp_Object QCconversion
;
2572 extern int x_bitmap_mask (struct frame
*, int);
2573 extern void syms_of_image (void);
2574 extern void init_image (void);
2576 /* Defined in insdel.c */
2577 extern Lisp_Object Qinhibit_modification_hooks
;
2578 extern void move_gap (EMACS_INT
);
2579 extern void move_gap_both (EMACS_INT
, EMACS_INT
);
2580 extern void make_gap (EMACS_INT
);
2581 extern EMACS_INT
copy_text (const unsigned char *, unsigned char *,
2582 EMACS_INT
, int, int);
2583 extern EMACS_INT
count_size_as_multibyte (const unsigned char *, EMACS_INT
);
2584 extern int count_combining_before (const unsigned char *,
2585 EMACS_INT
, EMACS_INT
, EMACS_INT
);
2586 extern int count_combining_after (const unsigned char *,
2587 EMACS_INT
, EMACS_INT
, EMACS_INT
);
2588 extern void insert (const char *, EMACS_INT
);
2589 extern void insert_and_inherit (const char *, EMACS_INT
);
2590 extern void insert_1 (const char *, EMACS_INT
, int, int, int);
2591 extern void insert_1_both (const char *, EMACS_INT
, EMACS_INT
,
2593 extern void insert_from_gap (EMACS_INT
, EMACS_INT
);
2594 extern void insert_from_string (Lisp_Object
, EMACS_INT
, EMACS_INT
,
2595 EMACS_INT
, EMACS_INT
, int);
2596 extern void insert_from_buffer (struct buffer
*, EMACS_INT
, EMACS_INT
, int);
2597 extern void insert_char (int);
2598 extern void insert_string (const char *);
2599 extern void insert_before_markers (const char *, EMACS_INT
);
2600 extern void insert_before_markers_and_inherit (const char *, EMACS_INT
);
2601 extern void insert_from_string_before_markers (Lisp_Object
, EMACS_INT
,
2602 EMACS_INT
, EMACS_INT
,
2604 extern void del_range (EMACS_INT
, EMACS_INT
);
2605 extern Lisp_Object
del_range_1 (EMACS_INT
, EMACS_INT
, int, int);
2606 extern void del_range_byte (EMACS_INT
, EMACS_INT
, int);
2607 extern void del_range_both (EMACS_INT
, EMACS_INT
, EMACS_INT
, EMACS_INT
, int);
2608 extern Lisp_Object
del_range_2 (EMACS_INT
, EMACS_INT
,
2609 EMACS_INT
, EMACS_INT
, int);
2610 extern void modify_region (struct buffer
*, EMACS_INT
, EMACS_INT
, int);
2611 extern void prepare_to_modify_buffer (EMACS_INT
, EMACS_INT
, EMACS_INT
*);
2612 extern void signal_after_change (EMACS_INT
, EMACS_INT
, EMACS_INT
);
2613 extern void adjust_after_insert (EMACS_INT
, EMACS_INT
, EMACS_INT
,
2614 EMACS_INT
, EMACS_INT
);
2615 extern void adjust_markers_for_delete (EMACS_INT
, EMACS_INT
,
2616 EMACS_INT
, EMACS_INT
);
2617 extern void replace_range (EMACS_INT
, EMACS_INT
, Lisp_Object
, int, int, int);
2618 extern void replace_range_2 (EMACS_INT
, EMACS_INT
, EMACS_INT
, EMACS_INT
,
2619 const char *, EMACS_INT
, EMACS_INT
, int);
2620 extern void syms_of_insdel (void);
2622 /* Defined in dispnew.c */
2623 extern Lisp_Object selected_frame
;
2624 extern Lisp_Object Vwindow_system
;
2626 EXFUN (Fredraw_frame
, 1);
2627 EXFUN (Fsleep_for
, 2);
2628 EXFUN (Fredisplay
, 1);
2629 extern Lisp_Object
sit_for (Lisp_Object
, int, int);
2630 extern void init_display (void);
2631 extern void syms_of_display (void);
2633 /* Defined in xdisp.c */
2634 extern Lisp_Object Qinhibit_point_motion_hooks
;
2635 extern Lisp_Object Qinhibit_redisplay
, Qdisplay
;
2636 extern Lisp_Object Qmenu_bar_update_hook
;
2637 extern Lisp_Object Qwindow_scroll_functions
;
2638 extern Lisp_Object Qoverriding_local_map
, Qoverriding_terminal_local_map
;
2639 extern Lisp_Object Qimage
, Qtext
, Qboth
, Qboth_horiz
, Qtext_image_horiz
;
2640 extern Lisp_Object Qspace
, Qcenter
, QCalign_to
;
2641 extern Lisp_Object Qbar
, Qhbar
, Qbox
, Qhollow
;
2642 extern Lisp_Object Qleft_margin
, Qright_margin
;
2643 extern Lisp_Object Qglyphless_char
;
2644 extern Lisp_Object QCdata
, QCfile
;
2645 extern Lisp_Object QCmap
;
2646 extern Lisp_Object Qrisky_local_variable
;
2647 extern struct frame
*last_glyphless_glyph_frame
;
2648 extern unsigned last_glyphless_glyph_face_id
;
2649 extern int last_glyphless_glyph_merged_face_id
;
2650 extern int noninteractive_need_newline
;
2651 extern Lisp_Object echo_area_buffer
[2];
2652 extern void add_to_log (const char *, Lisp_Object
, Lisp_Object
);
2653 extern void check_message_stack (void);
2654 extern void setup_echo_area_for_printing (int);
2655 extern int push_message (void);
2656 extern Lisp_Object
pop_message_unwind (Lisp_Object
);
2657 extern Lisp_Object
restore_message_unwind (Lisp_Object
);
2658 extern void restore_message (void);
2659 extern Lisp_Object
current_message (void);
2660 extern void clear_message (int, int);
2661 extern void message (const char *, ...) ATTRIBUTE_FORMAT_PRINTF (1, 2);
2662 extern void message1 (const char *);
2663 extern void message1_nolog (const char *);
2664 extern void message2 (const char *, EMACS_INT
, int);
2665 extern void message2_nolog (const char *, EMACS_INT
, int);
2666 extern void message3 (Lisp_Object
, EMACS_INT
, int);
2667 extern void message3_nolog (Lisp_Object
, EMACS_INT
, int);
2668 extern void message_dolog (const char *, EMACS_INT
, int, int);
2669 extern void message_with_string (const char *, Lisp_Object
, int);
2670 extern void message_log_maybe_newline (void);
2671 extern void update_echo_area (void);
2672 extern void truncate_echo_area (EMACS_INT
);
2673 extern void redisplay (void);
2674 extern void redisplay_preserve_echo_area (int);
2675 extern void prepare_menu_bars (void);
2677 void set_frame_cursor_types (struct frame
*, Lisp_Object
);
2678 extern void syms_of_xdisp (void);
2679 extern void init_xdisp (void);
2680 extern Lisp_Object
safe_eval (Lisp_Object
);
2681 extern int pos_visible_p (struct window
*, EMACS_INT
, int *,
2682 int *, int *, int *, int *, int *);
2684 /* Defined in xsettings.c */
2685 extern void syms_of_xsettings (void);
2687 /* Defined in vm-limit.c. */
2688 extern void memory_warnings (POINTER_TYPE
*, void (*warnfun
) (const char *));
2690 /* Defined in alloc.c */
2691 extern void check_pure_size (void);
2692 extern void allocate_string_data (struct Lisp_String
*, EMACS_INT
, EMACS_INT
);
2693 extern void reset_malloc_hooks (void);
2694 extern void uninterrupt_malloc (void);
2695 extern void malloc_warning (const char *);
2696 extern void memory_full (void) NO_RETURN
;
2697 extern void buffer_memory_full (void) NO_RETURN
;
2698 extern int survives_gc_p (Lisp_Object
);
2699 extern void mark_object (Lisp_Object
);
2700 #if defined REL_ALLOC && !defined SYSTEM_MALLOC
2701 extern void refill_memory_reserve (void);
2703 extern const char *pending_malloc_warning
;
2704 extern Lisp_Object
*stack_base
;
2706 extern Lisp_Object
list1 (Lisp_Object
);
2707 extern Lisp_Object
list2 (Lisp_Object
, Lisp_Object
);
2708 extern Lisp_Object
list3 (Lisp_Object
, Lisp_Object
, Lisp_Object
);
2709 extern Lisp_Object
list4 (Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
);
2710 extern Lisp_Object
list5 (Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
,
2712 EXFUN (Flist
, MANY
);
2713 EXFUN (Fmake_list
, 2);
2714 extern Lisp_Object
allocate_misc (void);
2715 EXFUN (Fmake_vector
, 2);
2716 EXFUN (Fvector
, MANY
);
2717 EXFUN (Fmake_symbol
, 1);
2718 EXFUN (Fmake_marker
, 0);
2719 EXFUN (Fmake_string
, 2);
2720 extern Lisp_Object
build_string (const char *);
2721 extern Lisp_Object
make_string (const char *, EMACS_INT
);
2722 extern Lisp_Object
make_unibyte_string (const char *, EMACS_INT
);
2723 extern Lisp_Object
make_multibyte_string (const char *, EMACS_INT
, EMACS_INT
);
2724 extern Lisp_Object
make_event_array (int, Lisp_Object
*);
2725 extern Lisp_Object
make_uninit_string (EMACS_INT
);
2726 extern Lisp_Object
make_uninit_multibyte_string (EMACS_INT
, EMACS_INT
);
2727 extern Lisp_Object
make_string_from_bytes (const char *, EMACS_INT
, EMACS_INT
);
2728 extern Lisp_Object
make_specified_string (const char *,
2729 EMACS_INT
, EMACS_INT
, int);
2730 EXFUN (Fpurecopy
, 1);
2731 extern Lisp_Object
make_pure_string (const char *, EMACS_INT
, EMACS_INT
, int);
2732 extern Lisp_Object
make_pure_c_string (const char *data
);
2733 extern Lisp_Object
pure_cons (Lisp_Object
, Lisp_Object
);
2734 extern Lisp_Object
make_pure_vector (EMACS_INT
);
2735 EXFUN (Fgarbage_collect
, 0);
2736 EXFUN (Fmake_byte_code
, MANY
);
2737 EXFUN (Fmake_bool_vector
, 2);
2738 extern Lisp_Object Qchar_table_extra_slots
;
2739 extern struct Lisp_Vector
*allocate_vector (EMACS_INT
);
2740 extern struct Lisp_Vector
*allocate_pseudovector (int memlen
, int lisplen
, EMACS_INT tag
);
2741 #define ALLOCATE_PSEUDOVECTOR(typ,field,tag) \
2743 allocate_pseudovector \
2744 (VECSIZE (typ), PSEUDOVECSIZE (typ, field), tag))
2745 extern struct Lisp_Hash_Table
*allocate_hash_table (void);
2746 extern struct window
*allocate_window (void);
2747 extern struct frame
*allocate_frame (void);
2748 extern struct Lisp_Process
*allocate_process (void);
2749 extern struct terminal
*allocate_terminal (void);
2750 extern int gc_in_progress
;
2751 extern int abort_on_gc
;
2752 extern Lisp_Object
make_float (double);
2753 extern void display_malloc_warning (void);
2754 extern int inhibit_garbage_collection (void);
2755 extern Lisp_Object
make_save_value (void *, int);
2756 extern void free_marker (Lisp_Object
);
2757 extern void free_cons (struct Lisp_Cons
*);
2758 extern void init_alloc_once (void);
2759 extern void init_alloc (void);
2760 extern void syms_of_alloc (void);
2761 extern struct buffer
* allocate_buffer (void);
2762 extern int valid_lisp_object_p (Lisp_Object
);
2764 /* Defined in chartab.c */
2765 EXFUN (Fmake_char_table
, 2);
2766 EXFUN (Fset_char_table_parent
, 2);
2767 EXFUN (Fchar_table_extra_slot
, 2);
2768 EXFUN (Fset_char_table_extra_slot
, 3);
2769 EXFUN (Fset_char_table_range
, 3);
2770 EXFUN (Foptimize_char_table
, 2);
2771 extern Lisp_Object
copy_char_table (Lisp_Object
);
2772 extern Lisp_Object
char_table_ref (Lisp_Object
, int);
2773 extern Lisp_Object
char_table_ref_and_range (Lisp_Object
, int,
2775 extern Lisp_Object
char_table_set (Lisp_Object
, int, Lisp_Object
);
2776 extern Lisp_Object
char_table_set_range (Lisp_Object
, int, int,
2778 extern int char_table_translate (Lisp_Object
, int);
2779 extern void map_char_table (void (*) (Lisp_Object
, Lisp_Object
,
2781 Lisp_Object
, Lisp_Object
, Lisp_Object
);
2782 extern void map_char_table_for_charset (void (*c_function
) (Lisp_Object
, Lisp_Object
),
2783 Lisp_Object
, Lisp_Object
,
2784 Lisp_Object
, struct charset
*,
2785 unsigned, unsigned);
2786 extern void syms_of_chartab (void);
2788 /* Defined in print.c */
2789 extern Lisp_Object Vprin1_to_string_buffer
;
2790 extern void debug_print (Lisp_Object
) EXTERNALLY_VISIBLE
;
2792 EXFUN (Fprin1_to_string
, 2);
2795 EXFUN (Ferror_message_string
, 1);
2796 extern Lisp_Object Qstandard_output
;
2797 extern Lisp_Object Qexternal_debugging_output
;
2798 extern void temp_output_buffer_setup (const char *);
2799 extern int print_level
;
2800 extern Lisp_Object Qprint_escape_newlines
;
2801 extern void write_string (const char *, int);
2802 extern void print_error_message (Lisp_Object
, Lisp_Object
, const char *,
2804 extern Lisp_Object internal_with_output_to_temp_buffer
2805 (const char *, Lisp_Object (*) (Lisp_Object
), Lisp_Object
);
2806 #define FLOAT_TO_STRING_BUFSIZE 350
2807 extern void float_to_string (char *, double);
2808 extern void syms_of_print (void);
2810 /* Defined in doprnt.c */
2811 extern size_t doprnt (char *, size_t, const char *, const char *, va_list);
2813 /* Defined in lread.c. */
2814 extern Lisp_Object Qvariable_documentation
, Qstandard_input
;
2815 extern Lisp_Object Qbackquote
, Qcomma
, Qcomma_at
, Qcomma_dot
, Qfunction
;
2817 EXFUN (Fread_from_string
, 3);
2819 EXFUN (Fintern_soft
, 2);
2820 EXFUN (Funintern
, 2);
2822 EXFUN (Fget_load_suffixes
, 0);
2823 EXFUN (Fread_char
, 3);
2824 EXFUN (Fread_event
, 3);
2825 extern Lisp_Object
check_obarray (Lisp_Object
);
2826 extern Lisp_Object
intern (const char *);
2827 extern Lisp_Object
intern_c_string (const char *);
2828 extern Lisp_Object
oblookup (Lisp_Object
, const char *, EMACS_INT
, EMACS_INT
);
2829 #define LOADHIST_ATTACH(x) \
2831 if (initialized) Vcurrent_load_list = Fcons (x, Vcurrent_load_list); \
2833 extern int openp (Lisp_Object
, Lisp_Object
, Lisp_Object
,
2834 Lisp_Object
*, Lisp_Object
);
2835 Lisp_Object
string_to_number (char const *, int, int);
2836 extern void map_obarray (Lisp_Object
, void (*) (Lisp_Object
, Lisp_Object
),
2838 extern void dir_warning (const char *, Lisp_Object
);
2839 extern void close_load_descs (void);
2840 extern void init_obarray (void);
2841 extern void init_lread (void);
2842 extern void syms_of_lread (void);
2844 /* Defined in eval.c. */
2845 extern Lisp_Object Qautoload
, Qexit
, Qinteractive
, Qcommandp
, Qdefun
, Qmacro
;
2846 extern Lisp_Object Qinhibit_quit
, Qclosure
, Qdebug
;
2847 extern Lisp_Object Qand_rest
;
2848 extern Lisp_Object Vautoload_queue
;
2849 extern Lisp_Object Vsignaling_function
;
2850 extern int handling_signal
;
2852 extern struct catchtag
*catchlist
;
2853 extern struct handler
*handlerlist
;
2855 /* To run a normal hook, use the appropriate function from the list below.
2856 The calling convention:
2858 if (!NILP (Vrun_hooks))
2859 call1 (Vrun_hooks, Qmy_funny_hook);
2861 should no longer be used. */
2862 extern Lisp_Object Vrun_hooks
;
2863 EXFUN (Frun_hooks
, MANY
);
2864 EXFUN (Frun_hook_with_args
, MANY
);
2865 EXFUN (Frun_hook_with_args_until_failure
, MANY
);
2866 extern void run_hook_with_args_2 (Lisp_Object
, Lisp_Object
, Lisp_Object
);
2867 extern Lisp_Object
run_hook_with_args (size_t nargs
, Lisp_Object
*args
,
2868 Lisp_Object (*funcall
)
2869 (size_t nargs
, Lisp_Object
*args
));
2870 EXFUN (Fprogn
, UNEVALLED
);
2871 EXFUN (Finteractive_p
, 0);
2872 EXFUN (Fthrow
, 2) NO_RETURN
;
2874 extern void xsignal (Lisp_Object
, Lisp_Object
) NO_RETURN
;
2875 extern void xsignal0 (Lisp_Object
) NO_RETURN
;
2876 extern void xsignal1 (Lisp_Object
, Lisp_Object
) NO_RETURN
;
2877 extern void xsignal2 (Lisp_Object
, Lisp_Object
, Lisp_Object
) NO_RETURN
;
2878 extern void xsignal3 (Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
) NO_RETURN
;
2879 extern void signal_error (const char *, Lisp_Object
) NO_RETURN
;
2880 EXFUN (Fcommandp
, 2);
2881 EXFUN (Ffunctionp
, 1);
2883 extern Lisp_Object
eval_sub (Lisp_Object form
);
2884 EXFUN (Fapply
, MANY
);
2885 EXFUN (Ffuncall
, MANY
);
2886 extern Lisp_Object
apply1 (Lisp_Object
, Lisp_Object
);
2887 extern Lisp_Object
call0 (Lisp_Object
);
2888 extern Lisp_Object
call1 (Lisp_Object
, Lisp_Object
);
2889 extern Lisp_Object
call2 (Lisp_Object
, Lisp_Object
, Lisp_Object
);
2890 extern Lisp_Object
call3 (Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
);
2891 extern Lisp_Object
call4 (Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
);
2892 extern Lisp_Object
call5 (Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
);
2893 extern Lisp_Object
call6 (Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
);
2894 extern Lisp_Object
call7 (Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
);
2895 EXFUN (Fdo_auto_save
, 2);
2896 extern Lisp_Object
internal_catch (Lisp_Object
, Lisp_Object (*) (Lisp_Object
), Lisp_Object
);
2897 extern Lisp_Object
internal_lisp_condition_case (Lisp_Object
, Lisp_Object
, Lisp_Object
);
2898 extern Lisp_Object
internal_condition_case (Lisp_Object (*) (void), Lisp_Object
, Lisp_Object (*) (Lisp_Object
));
2899 extern Lisp_Object
internal_condition_case_1 (Lisp_Object (*) (Lisp_Object
), Lisp_Object
, Lisp_Object
, Lisp_Object (*) (Lisp_Object
));
2900 extern Lisp_Object
internal_condition_case_2 (Lisp_Object (*) (Lisp_Object
, Lisp_Object
), Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object (*) (Lisp_Object
));
2901 extern Lisp_Object
internal_condition_case_n (Lisp_Object (*) (size_t, Lisp_Object
*), size_t, Lisp_Object
*, Lisp_Object
, Lisp_Object (*) (Lisp_Object
));
2902 extern void specbind (Lisp_Object
, Lisp_Object
);
2903 extern void record_unwind_protect (Lisp_Object (*) (Lisp_Object
), Lisp_Object
);
2904 extern Lisp_Object
unbind_to (int, Lisp_Object
);
2905 extern void error (const char *, ...) NO_RETURN
ATTRIBUTE_FORMAT_PRINTF (1, 2);
2906 extern void verror (const char *, va_list)
2907 NO_RETURN
ATTRIBUTE_FORMAT_PRINTF (1, 0);
2908 extern void do_autoload (Lisp_Object
, Lisp_Object
);
2909 extern Lisp_Object
un_autoload (Lisp_Object
);
2910 extern void init_eval_once (void);
2911 extern Lisp_Object
safe_call (size_t, Lisp_Object
*);
2912 extern Lisp_Object
safe_call1 (Lisp_Object
, Lisp_Object
);
2913 extern Lisp_Object
safe_call2 (Lisp_Object
, Lisp_Object
, Lisp_Object
);
2914 extern void init_eval (void);
2916 extern void mark_backtrace (void);
2918 extern void syms_of_eval (void);
2920 /* Defined in editfns.c */
2921 extern Lisp_Object Qfield
;
2922 EXFUN (Fcurrent_message
, 0);
2923 EXFUN (Fgoto_char
, 1);
2924 EXFUN (Fpoint_max_marker
, 0);
2926 EXFUN (Fpoint_marker
, 0);
2927 EXFUN (Fline_beginning_position
, 1);
2928 EXFUN (Fline_end_position
, 1);
2929 EXFUN (Ffollowing_char
, 0);
2930 EXFUN (Fprevious_char
, 0);
2931 EXFUN (Fchar_after
, 1);
2932 EXFUN (Finsert
, MANY
);
2933 EXFUN (Finsert_char
, 3);
2934 extern void insert1 (Lisp_Object
);
2939 EXFUN (Fformat
, MANY
);
2940 EXFUN (Fmessage
, MANY
);
2941 extern Lisp_Object
format2 (const char *, Lisp_Object
, Lisp_Object
);
2942 EXFUN (Fbuffer_substring
, 2);
2943 EXFUN (Fbuffer_string
, 0);
2944 extern Lisp_Object
save_excursion_save (void);
2945 extern Lisp_Object
save_restriction_save (void);
2946 extern Lisp_Object
save_excursion_restore (Lisp_Object
);
2947 extern Lisp_Object
save_restriction_restore (Lisp_Object
);
2948 EXFUN (Fchar_to_string
, 1);
2949 EXFUN (Fdelete_region
, 2);
2950 EXFUN (Fnarrow_to_region
, 2);
2952 EXFUN (Fuser_login_name
, 1);
2953 EXFUN (Fsystem_name
, 0);
2954 EXFUN (Fcurrent_time
, 0);
2955 EXFUN (Fget_internal_run_time
, 0);
2956 extern EMACS_INT
clip_to_bounds (EMACS_INT
, EMACS_INT
, EMACS_INT
);
2957 extern Lisp_Object
make_buffer_string (EMACS_INT
, EMACS_INT
, int);
2958 extern Lisp_Object
make_buffer_string_both (EMACS_INT
, EMACS_INT
, EMACS_INT
,
2960 extern void init_editfns (void);
2961 const char *get_system_name (void);
2962 extern void syms_of_editfns (void);
2963 EXFUN (Fconstrain_to_field
, 5);
2964 EXFUN (Ffield_end
, 3);
2965 extern void set_time_zone_rule (const char *);
2967 /* Defined in buffer.c */
2968 extern int mouse_face_overlay_overlaps (Lisp_Object
);
2969 extern void nsberror (Lisp_Object
) NO_RETURN
;
2970 EXFUN (Fset_buffer_multibyte
, 1);
2971 EXFUN (Foverlay_start
, 1);
2972 EXFUN (Foverlay_end
, 1);
2973 extern void adjust_overlays_for_insert (EMACS_INT
, EMACS_INT
);
2974 extern void adjust_overlays_for_delete (EMACS_INT
, EMACS_INT
);
2975 extern void fix_start_end_in_overlays (EMACS_INT
, EMACS_INT
);
2976 extern void report_overlay_modification (Lisp_Object
, Lisp_Object
, int,
2977 Lisp_Object
, Lisp_Object
, Lisp_Object
);
2978 extern int overlay_touches_p (EMACS_INT
);
2979 extern Lisp_Object Vbuffer_alist
;
2980 EXFUN (Fget_buffer
, 1);
2981 EXFUN (Fget_buffer_create
, 1);
2982 EXFUN (Fgenerate_new_buffer_name
, 2);
2983 EXFUN (Fset_buffer
, 1);
2984 extern Lisp_Object
set_buffer_if_live (Lisp_Object
);
2985 EXFUN (Fbarf_if_buffer_read_only
, 0);
2986 EXFUN (Fcurrent_buffer
, 0);
2987 EXFUN (Fother_buffer
, 3);
2988 EXFUN (Foverlay_get
, 2);
2989 EXFUN (Fbuffer_modified_p
, 1);
2990 EXFUN (Fset_buffer_modified_p
, 1);
2991 EXFUN (Fkill_buffer
, 1);
2992 EXFUN (Fkill_all_local_variables
, 0);
2993 EXFUN (Fbuffer_enable_undo
, 1);
2994 EXFUN (Ferase_buffer
, 0);
2995 extern Lisp_Object Qpriority
, Qwindow
, Qbefore_string
, Qafter_string
;
2996 extern Lisp_Object
get_truename_buffer (Lisp_Object
);
2997 extern struct buffer
*all_buffers
;
2998 EXFUN (Fprevious_overlay_change
, 1);
2999 EXFUN (Fbuffer_file_name
, 1);
3000 extern void init_buffer_once (void);
3001 extern void init_buffer (void);
3002 extern void syms_of_buffer (void);
3003 extern void keys_of_buffer (void);
3005 /* Defined in marker.c */
3007 EXFUN (Fmarker_position
, 1);
3008 EXFUN (Fmarker_buffer
, 1);
3009 EXFUN (Fcopy_marker
, 2);
3010 EXFUN (Fset_marker
, 3);
3011 extern EMACS_INT
marker_position (Lisp_Object
);
3012 extern EMACS_INT
marker_byte_position (Lisp_Object
);
3013 extern void clear_charpos_cache (struct buffer
*);
3014 extern EMACS_INT
charpos_to_bytepos (EMACS_INT
);
3015 extern EMACS_INT
buf_charpos_to_bytepos (struct buffer
*, EMACS_INT
);
3016 extern EMACS_INT
buf_bytepos_to_charpos (struct buffer
*, EMACS_INT
);
3017 extern void unchain_marker (struct Lisp_Marker
*marker
);
3018 extern Lisp_Object
set_marker_restricted (Lisp_Object
, Lisp_Object
, Lisp_Object
);
3019 extern Lisp_Object
set_marker_both (Lisp_Object
, Lisp_Object
, EMACS_INT
, EMACS_INT
);
3020 extern Lisp_Object
set_marker_restricted_both (Lisp_Object
, Lisp_Object
,
3021 EMACS_INT
, EMACS_INT
);
3022 extern void syms_of_marker (void);
3024 /* Defined in fileio.c */
3026 extern Lisp_Object Qfile_error
;
3027 extern Lisp_Object Qfile_exists_p
;
3028 extern Lisp_Object Qfile_directory_p
;
3029 extern Lisp_Object Qinsert_file_contents
;
3030 extern Lisp_Object Qfile_name_history
;
3031 EXFUN (Ffind_file_name_handler
, 2);
3032 EXFUN (Ffile_name_as_directory
, 1);
3033 EXFUN (Fexpand_file_name
, 2);
3034 EXFUN (Ffile_name_nondirectory
, 1);
3035 EXFUN (Fsubstitute_in_file_name
, 1);
3036 EXFUN (Ffile_symlink_p
, 1);
3037 EXFUN (Fverify_visited_file_modtime
, 1);
3038 EXFUN (Ffile_exists_p
, 1);
3039 EXFUN (Ffile_name_absolute_p
, 1);
3040 EXFUN (Fdirectory_file_name
, 1);
3041 EXFUN (Ffile_name_directory
, 1);
3042 extern Lisp_Object
expand_and_dir_to_file (Lisp_Object
, Lisp_Object
);
3043 EXFUN (Ffile_accessible_directory_p
, 1);
3044 EXFUN (Funhandled_file_name_directory
, 1);
3045 EXFUN (Ffile_directory_p
, 1);
3046 EXFUN (Fwrite_region
, 7);
3047 EXFUN (Ffile_readable_p
, 1);
3048 EXFUN (Fread_file_name
, 6);
3049 extern Lisp_Object
close_file_unwind (Lisp_Object
);
3050 extern Lisp_Object
restore_point_unwind (Lisp_Object
);
3051 extern void report_file_error (const char *, Lisp_Object
) NO_RETURN
;
3052 extern int internal_delete_file (Lisp_Object
);
3053 extern void syms_of_fileio (void);
3054 extern Lisp_Object
make_temp_name (Lisp_Object
, int);
3055 extern Lisp_Object Qdelete_file
;
3057 /* Defined in abbrev.c */
3059 extern void syms_of_abbrev (void);
3061 /* Defined in search.c */
3062 extern void shrink_regexp_cache (void);
3063 EXFUN (Fstring_match
, 3);
3064 extern void restore_search_regs (void);
3065 EXFUN (Fmatch_data
, 3);
3066 EXFUN (Fset_match_data
, 2);
3067 EXFUN (Fmatch_beginning
, 1);
3068 EXFUN (Fmatch_end
, 1);
3069 extern void record_unwind_save_match_data (void);
3070 struct re_registers
;
3071 extern struct re_pattern_buffer
*compile_pattern (Lisp_Object
,
3072 struct re_registers
*,
3073 Lisp_Object
, int, int);
3074 extern EMACS_INT
fast_string_match (Lisp_Object
, Lisp_Object
);
3075 extern EMACS_INT
fast_c_string_match_ignore_case (Lisp_Object
, const char *);
3076 extern EMACS_INT
fast_string_match_ignore_case (Lisp_Object
, Lisp_Object
);
3077 extern EMACS_INT
fast_looking_at (Lisp_Object
, EMACS_INT
, EMACS_INT
,
3078 EMACS_INT
, EMACS_INT
, Lisp_Object
);
3079 extern EMACS_INT
scan_buffer (int, EMACS_INT
, EMACS_INT
, EMACS_INT
,
3081 extern EMACS_INT
scan_newline (EMACS_INT
, EMACS_INT
, EMACS_INT
, EMACS_INT
,
3083 extern EMACS_INT
find_next_newline (EMACS_INT
, int);
3084 extern EMACS_INT
find_next_newline_no_quit (EMACS_INT
, EMACS_INT
);
3085 extern EMACS_INT
find_before_next_newline (EMACS_INT
, EMACS_INT
, EMACS_INT
);
3086 extern void syms_of_search (void);
3087 extern void clear_regexp_cache (void);
3089 /* Defined in minibuf.c */
3091 extern Lisp_Object Qcompletion_ignore_case
;
3092 extern Lisp_Object Vminibuffer_list
;
3093 extern Lisp_Object last_minibuf_string
;
3094 EXFUN (Fcompleting_read
, 8);
3095 EXFUN (Fread_from_minibuffer
, 7);
3096 EXFUN (Fread_variable
, 2);
3097 EXFUN (Fread_buffer
, 3);
3098 EXFUN (Fread_minibuffer
, 2);
3099 EXFUN (Feval_minibuffer
, 2);
3100 EXFUN (Fread_string
, 5);
3101 EXFUN (Fassoc_string
, 3);
3102 extern Lisp_Object
get_minibuffer (int);
3103 extern void init_minibuf_once (void);
3104 extern void syms_of_minibuf (void);
3106 /* Defined in callint.c */
3108 extern Lisp_Object Qminus
, Qplus
;
3109 extern Lisp_Object Qwhen
;
3110 extern Lisp_Object Qcall_interactively
, Qmouse_leave_buffer_hook
;
3111 EXFUN (Fprefix_numeric_value
, 1);
3112 extern void syms_of_callint (void);
3114 /* Defined in casefiddle.c */
3116 extern Lisp_Object Qidentity
;
3117 EXFUN (Fdowncase
, 1);
3119 EXFUN (Fupcase_region
, 2);
3120 EXFUN (Fupcase_initials
, 1);
3121 EXFUN (Fupcase_initials_region
, 2);
3122 extern void syms_of_casefiddle (void);
3123 extern void keys_of_casefiddle (void);
3125 /* Defined in casetab.c */
3127 EXFUN (Fset_case_table
, 1);
3128 EXFUN (Fset_standard_case_table
, 1);
3129 extern void init_casetab_once (void);
3130 extern void syms_of_casetab (void);
3132 /* Defined in keyboard.c */
3134 extern Lisp_Object echo_message_buffer
;
3135 extern struct kboard
*echo_kboard
;
3136 extern void cancel_echoing (void);
3137 extern Lisp_Object Qdisabled
, QCfilter
;
3138 extern Lisp_Object Qup
, Qdown
, Qbottom
;
3139 extern Lisp_Object Qtop
;
3140 extern int input_pending
;
3141 EXFUN (Fdiscard_input
, 0);
3142 EXFUN (Frecursive_edit
, 0);
3143 EXFUN (Ftop_level
, 0) NO_RETURN
;
3144 extern Lisp_Object
menu_bar_items (Lisp_Object
);
3145 extern Lisp_Object
tool_bar_items (Lisp_Object
, int *);
3146 extern void discard_mouse_events (void);
3147 EXFUN (Fevent_convert_list
, 1);
3148 EXFUN (Fread_key_sequence
, 5);
3149 EXFUN (Fset_input_interrupt_mode
, 1);
3150 EXFUN (Fset_input_mode
, 4);
3151 extern Lisp_Object pending_funcalls
;
3152 extern int detect_input_pending (void);
3153 extern int detect_input_pending_ignore_squeezables (void);
3154 extern int detect_input_pending_run_timers (int);
3155 extern void safe_run_hooks (Lisp_Object
);
3156 extern void cmd_error_internal (Lisp_Object
, const char *);
3157 extern Lisp_Object
command_loop_1 (void);
3158 extern Lisp_Object
recursive_edit_1 (void);
3159 extern void record_auto_save (void);
3161 extern void force_auto_save_soon (void);
3163 extern void init_keyboard (void);
3164 extern void syms_of_keyboard (void);
3165 extern void keys_of_keyboard (void);
3166 extern char *push_key_description (unsigned int, char *, int);
3169 /* Defined in indent.c */
3170 EXFUN (Fvertical_motion
, 2);
3171 EXFUN (Findent_to
, 2);
3172 EXFUN (Fmove_to_column
, 2);
3173 extern EMACS_INT
current_column (void);
3174 extern void invalidate_current_column (void);
3175 extern int indented_beyond_p (EMACS_INT
, EMACS_INT
, EMACS_INT
);
3176 extern void syms_of_indent (void);
3178 /* Defined in frame.c */
3179 #ifdef HAVE_WINDOW_SYSTEM
3180 #endif /* HAVE_WINDOW_SYSTEM */
3181 extern Lisp_Object Qonly
;
3182 extern Lisp_Object Qvisible
;
3183 extern void store_frame_param (struct frame
*, Lisp_Object
, Lisp_Object
);
3184 extern void store_in_alist (Lisp_Object
*, Lisp_Object
, Lisp_Object
);
3185 extern Lisp_Object
do_switch_frame (Lisp_Object
, int, int, Lisp_Object
);
3187 extern Lisp_Object
get_frame_param (struct frame
*, Lisp_Object
);
3189 extern Lisp_Object
frame_buffer_predicate (Lisp_Object
);
3190 EXFUN (Fselect_frame
, 2);
3191 EXFUN (Fselected_frame
, 0);
3192 EXFUN (Fwindow_frame
, 1);
3193 EXFUN (Fframe_root_window
, 1);
3194 EXFUN (Fframe_first_window
, 1);
3195 EXFUN (Fmake_frame_visible
, 1);
3196 EXFUN (Ficonify_frame
, 1);
3197 EXFUN (Fframe_parameter
, 2);
3198 EXFUN (Fmodify_frame_parameters
, 2);
3199 EXFUN (Fraise_frame
, 1);
3200 EXFUN (Fredirect_frame_focus
, 2);
3201 EXFUN (Fset_frame_selected_window
, 3);
3202 extern Lisp_Object
frame_buffer_list (Lisp_Object
);
3203 extern void frames_discard_buffer (Lisp_Object
);
3204 extern void set_frame_buffer_list (Lisp_Object
, Lisp_Object
);
3205 extern void syms_of_frame (void);
3207 /* Defined in emacs.c */
3208 extern char **initial_argv
;
3209 extern int initial_argc
;
3210 #if defined(HAVE_X_WINDOWS) || defined(HAVE_NS)
3211 extern int display_arg
;
3213 extern Lisp_Object
decode_env_path (const char *, const char *);
3214 extern Lisp_Object empty_unibyte_string
, empty_multibyte_string
;
3215 extern Lisp_Object Qfile_name_handler_alist
;
3216 #ifdef FLOAT_CATCH_SIGILL
3217 extern void fatal_error_signal (int);
3219 EXFUN (Fkill_emacs
, 1) NO_RETURN
;
3221 void fixup_locale (void);
3222 void synchronize_system_messages_locale (void);
3223 void synchronize_system_time_locale (void);
3225 #define setlocale(category, locale)
3226 #define fixup_locale()
3227 #define synchronize_system_messages_locale()
3228 #define synchronize_system_time_locale()
3230 void shut_down_emacs (int, int, Lisp_Object
);
3231 /* Nonzero means don't do interactive redisplay and don't change tty modes. */
3232 extern int noninteractive
;
3234 /* Nonzero means remove site-lisp directories from load-path. */
3235 extern int no_site_lisp
;
3237 /* Pipe used to send exit notification to the daemon parent at
3239 extern int daemon_pipe
[2];
3240 #define IS_DAEMON (daemon_pipe[1] != 0)
3242 /* Nonzero means don't do use window-system-specific display code. */
3243 extern int inhibit_window_system
;
3244 /* Nonzero means that a filter or a sentinel is running. */
3245 extern int running_asynch_code
;
3247 /* Defined in process.c. */
3248 extern Lisp_Object QCtype
, Qlocal
;
3249 EXFUN (Fget_buffer_process
, 1);
3250 EXFUN (Fprocess_status
, 1);
3251 EXFUN (Fkill_process
, 2);
3252 EXFUN (Fwaiting_for_user_input_p
, 0);
3253 extern Lisp_Object Qprocessp
;
3254 extern void kill_buffer_processes (Lisp_Object
);
3255 extern int wait_reading_process_output (int, int, int, int,
3257 struct Lisp_Process
*,
3259 extern void add_keyboard_wait_descriptor (int);
3260 extern void delete_keyboard_wait_descriptor (int);
3261 extern void add_gpm_wait_descriptor (int);
3262 extern void delete_gpm_wait_descriptor (int);
3263 extern void close_process_descs (void);
3264 extern void init_process (void);
3265 extern void syms_of_process (void);
3266 extern void setup_process_coding_systems (Lisp_Object
);
3268 EXFUN (Fcall_process
, MANY
);
3269 extern int child_setup (int, int, int, char **, int, Lisp_Object
)
3274 extern void init_callproc_1 (void);
3275 extern void init_callproc (void);
3276 extern void set_initial_environment (void);
3277 extern void syms_of_callproc (void);
3279 /* Defined in doc.c */
3280 extern Lisp_Object Qfunction_documentation
;
3281 EXFUN (Fsubstitute_command_keys
, 1);
3282 extern Lisp_Object
read_doc_string (Lisp_Object
);
3283 extern Lisp_Object
get_doc_string (Lisp_Object
, int, int);
3284 extern void syms_of_doc (void);
3285 extern int read_bytecode_char (int);
3287 /* Defined in bytecode.c */
3288 extern Lisp_Object Qbytecode
;
3289 extern void syms_of_bytecode (void);
3290 extern struct byte_stack
*byte_stack_list
;
3292 extern void mark_byte_stack (void);
3294 extern void unmark_byte_stack (void);
3295 extern Lisp_Object
exec_byte_code (Lisp_Object
, Lisp_Object
, Lisp_Object
,
3296 Lisp_Object
, int, Lisp_Object
*);
3298 /* Defined in macros.c */
3299 extern Lisp_Object Qexecute_kbd_macro
;
3300 EXFUN (Fexecute_kbd_macro
, 3);
3301 EXFUN (Fcancel_kbd_macro_events
, 0);
3302 extern void init_macros (void);
3303 extern void syms_of_macros (void);
3305 /* Defined in undo.c */
3306 extern Lisp_Object Qapply
;
3307 extern Lisp_Object Qinhibit_read_only
;
3308 EXFUN (Fundo_boundary
, 0);
3309 extern void truncate_undo_list (struct buffer
*);
3310 extern void record_marker_adjustment (Lisp_Object
, EMACS_INT
);
3311 extern void record_insert (EMACS_INT
, EMACS_INT
);
3312 extern void record_delete (EMACS_INT
, Lisp_Object
);
3313 extern void record_first_change (void);
3314 extern void record_change (EMACS_INT
, EMACS_INT
);
3315 extern void record_property_change (EMACS_INT
, EMACS_INT
,
3316 Lisp_Object
, Lisp_Object
,
3318 extern void syms_of_undo (void);
3319 /* Defined in textprop.c */
3320 extern Lisp_Object Qfont
, Qmouse_face
;
3321 extern Lisp_Object Qinsert_in_front_hooks
, Qinsert_behind_hooks
;
3322 extern Lisp_Object Qfront_sticky
, Qrear_nonsticky
;
3323 extern Lisp_Object Qminibuffer_prompt
;
3325 EXFUN (Fnext_single_property_change
, 4);
3326 EXFUN (Fnext_single_char_property_change
, 4);
3327 EXFUN (Fprevious_single_property_change
, 4);
3328 EXFUN (Fget_text_property
, 3);
3329 EXFUN (Fput_text_property
, 5);
3330 EXFUN (Fprevious_char_property_change
, 2);
3331 EXFUN (Fnext_char_property_change
, 2);
3332 extern void report_interval_modification (Lisp_Object
, Lisp_Object
);
3334 /* Defined in menu.c */
3335 extern void syms_of_menu (void);
3337 /* Defined in xmenu.c */
3338 EXFUN (Fx_popup_menu
, 2);
3339 EXFUN (Fx_popup_dialog
, 3);
3340 extern void syms_of_xmenu (void);
3342 /* Defined in termchar.h */
3343 struct tty_display_info
;
3345 /* Defined in termhooks.h */
3348 /* Defined in sysdep.c */
3349 #ifndef HAVE_GET_CURRENT_DIR_NAME
3350 extern char *get_current_dir_name (void);
3352 extern void stuff_char (char c
);
3353 extern void init_sigio (int);
3354 extern void sys_subshell (void);
3355 extern void sys_suspend (void);
3356 extern void discard_tty_input (void);
3357 extern void init_sys_modes (struct tty_display_info
*);
3358 extern void reset_sys_modes (struct tty_display_info
*);
3359 extern void init_all_sys_modes (void);
3360 extern void reset_all_sys_modes (void);
3361 extern void wait_for_termination (int);
3362 extern void flush_pending_output (int);
3363 extern void child_setup_tty (int);
3364 extern void setup_pty (int);
3365 extern int set_window_size (int, int, int);
3366 extern EMACS_INT
get_random (void);
3367 extern void seed_random (long);
3368 extern int emacs_open (const char *, int, int);
3369 extern int emacs_close (int);
3370 extern EMACS_INT
emacs_read (int, char *, EMACS_INT
);
3371 extern EMACS_INT
emacs_write (int, const char *, EMACS_INT
);
3372 enum { READLINK_BUFSIZE
= 1024 };
3373 extern char *emacs_readlink (const char *, char [READLINK_BUFSIZE
]);
3375 extern void *memset (void *, int, size_t);
3378 extern void *memcpy (void *, void *, size_t);
3380 #ifndef HAVE_MEMMOVE
3381 extern void *memmove (void *, void *, size_t);
3384 extern int memcmp (void *, void *, size_t);
3387 EXFUN (Funlock_buffer
, 0);
3388 extern void unlock_all_files (void);
3389 extern void lock_file (Lisp_Object
);
3390 extern void unlock_file (Lisp_Object
);
3391 extern void unlock_buffer (struct buffer
*);
3392 extern void syms_of_filelock (void);
3393 extern void init_filelock (void);
3395 /* Defined in sound.c */
3396 extern void syms_of_sound (void);
3397 extern void init_sound (void);
3399 /* Defined in category.c */
3400 extern void init_category_once (void);
3401 extern Lisp_Object
char_category_set (int);
3402 extern void syms_of_category (void);
3404 /* Defined in ccl.c */
3405 extern void syms_of_ccl (void);
3407 /* Defined in dired.c */
3408 extern void syms_of_dired (void);
3409 extern Lisp_Object
directory_files_internal (Lisp_Object
, Lisp_Object
,
3410 Lisp_Object
, Lisp_Object
,
3413 /* Defined in term.c */
3414 extern int *char_ins_del_vector
;
3415 extern void mark_ttys (void);
3416 extern void syms_of_term (void);
3417 extern void fatal (const char *msgid
, ...)
3418 NO_RETURN
ATTRIBUTE_FORMAT_PRINTF (1, 2);
3420 /* Defined in terminal.c */
3421 EXFUN (Fframe_terminal
, 1);
3422 EXFUN (Fdelete_terminal
, 2);
3423 extern void syms_of_terminal (void);
3425 /* Defined in font.c */
3426 extern void syms_of_font (void);
3427 extern void init_font (void);
3429 #ifdef HAVE_WINDOW_SYSTEM
3430 /* Defined in fontset.c */
3431 extern void syms_of_fontset (void);
3433 /* Defined in xfns.c, w32fns.c, or macfns.c */
3434 extern Lisp_Object Qfont_param
;
3435 EXFUN (Fxw_display_color_p
, 1);
3436 EXFUN (Fx_focus_frame
, 1);
3439 /* Defined in xfaces.c */
3440 extern Lisp_Object Qdefault
, Qtool_bar
, Qfringe
;
3441 extern Lisp_Object Qheader_line
, Qscroll_bar
, Qcursor
;
3442 extern Lisp_Object Qmode_line_inactive
;
3443 extern Lisp_Object Qface
;
3444 extern Lisp_Object Qnormal
;
3445 extern Lisp_Object QCfamily
, QCweight
, QCslant
;
3446 extern Lisp_Object QCheight
, QCname
, QCwidth
, QCforeground
, QCbackground
;
3447 extern Lisp_Object Vface_alternative_font_family_alist
;
3448 extern Lisp_Object Vface_alternative_font_registry_alist
;
3449 EXFUN (Fclear_face_cache
, 1);
3450 EXFUN (Fx_load_color_file
, 1);
3451 extern void syms_of_xfaces (void);
3453 #ifdef HAVE_X_WINDOWS
3454 /* Defined in xfns.c */
3455 extern void syms_of_xfns (void);
3457 /* Defined in xsmfns.c */
3458 extern void syms_of_xsmfns (void);
3460 /* Defined in xselect.c */
3461 extern void syms_of_xselect (void);
3463 /* Defined in xterm.c */
3464 extern void syms_of_xterm (void);
3465 #endif /* HAVE_X_WINDOWS */
3467 #ifdef HAVE_WINDOW_SYSTEM
3468 /* Defined in xterm.c, nsterm.m, w32term.c */
3469 extern char *x_get_keysym_name (int);
3470 #endif /* HAVE_WINDOW_SYSTEM */
3473 /* Defined in msdos.c */
3474 EXFUN (Fmsdos_downcase_filename
, 1);
3478 /* Defined in xml.c */
3479 extern void syms_of_xml (void);
3483 /* Defined in (x|w32)fns.c, nsfns.m... */
3484 extern int have_menus_p (void);
3488 /* Defined in dbusbind.c */
3489 void syms_of_dbusbind (void);
3493 /* Defined in msdos.c, w32.c */
3494 extern char *emacs_root_dir (void);
3497 /* Nonzero means Emacs has already been initialized.
3498 Used during startup to detect startup of dumped Emacs. */
3499 extern int initialized
;
3501 extern int immediate_quit
; /* Nonzero means ^G can quit instantly */
3503 extern POINTER_TYPE
*xmalloc (size_t);
3504 extern POINTER_TYPE
*xrealloc (POINTER_TYPE
*, size_t);
3505 extern void xfree (POINTER_TYPE
*);
3507 extern char *xstrdup (const char *);
3509 extern char *egetenv (const char *);
3511 /* Set up the name of the machine we're running on. */
3512 extern void init_system_name (void);
3514 /* Some systems (e.g., NT) use a different path separator than Unix,
3515 in addition to a device separator. Set the path separator
3516 to '/', and don't test for a device separator in IS_ANY_SEP. */
3518 #define DIRECTORY_SEP '/'
3519 #ifndef IS_DIRECTORY_SEP
3520 #define IS_DIRECTORY_SEP(_c_) ((_c_) == DIRECTORY_SEP)
3522 #ifndef IS_DEVICE_SEP
3524 #define IS_DEVICE_SEP(_c_) 0
3526 #define IS_DEVICE_SEP(_c_) ((_c_) == DEVICE_SEP)
3530 #define IS_ANY_SEP(_c_) (IS_DIRECTORY_SEP (_c_))
3533 #define SWITCH_ENUM_CAST(x) (x)
3535 /* Loop over Lisp list LIST. Signal an error if LIST is not a proper
3536 list, or if it contains circles.
3538 HARE and TORTOISE should be the names of Lisp_Object variables, and
3539 N should be the name of an EMACS_INT variable declared in the
3540 function where the macro is used. Each nested loop should use
3543 In the loop body, HARE is set to each cons of LIST, and N is the
3544 length of the list processed so far. */
3546 #define LIST_END_P(list, obj) \
3551 : (wrong_type_argument (Qlistp, (list))), 1))
3553 /* Use this to suppress gcc's `...may be used before initialized' warnings. */
3555 # define IF_LINT(Code) Code
3557 # define IF_LINT(Code) /* empty */
3560 /* The ubiquitous min and max macros. */
3566 #define min(a, b) ((a) < (b) ? (a) : (b))
3567 #define max(a, b) ((a) > (b) ? (a) : (b))
3569 /* We used to use `abs', but that clashes with system headers on some
3570 platforms, and using a name reserved by Standard C is a bad idea
3573 #define eabs(x) ((x) < 0 ? -(x) : (x))
3576 /* Return a fixnum or float, depending on whether VAL fits in a Lisp
3579 #define make_fixnum_or_float(val) \
3580 (FIXNUM_OVERFLOW_P (val) \
3581 ? make_float (val) \
3582 : make_number ((EMACS_INT)(val)))
3585 /* Checks the `cycle check' variable CHECK to see if it indicates that
3586 EL is part of a cycle; CHECK must be either Qnil or a value returned
3587 by an earlier use of CYCLE_CHECK. SUSPICIOUS is the number of
3588 elements after which a cycle might be suspected; after that many
3589 elements, this macro begins consing in order to keep more precise
3592 Returns nil if a cycle was detected, otherwise a new value for CHECK
3595 CHECK is evaluated multiple times, EL and SUSPICIOUS 0 or 1 times, so
3596 the caller should make sure that's ok. */
3598 #define CYCLE_CHECK(check, el, suspicious) \
3601 : (INTEGERP (check) \
3602 ? (XFASTINT (check) < (suspicious) \
3603 ? make_number (XFASTINT (check) + 1) \
3604 : Fcons (el, Qnil)) \
3605 : (!NILP (Fmemq ((el), (check))) \
3607 : Fcons ((el), (check)))))
3610 /* SAFE_ALLOCA normally allocates memory on the stack, but if size is
3611 larger than MAX_ALLOCA, use xmalloc to avoid overflowing the stack. */
3613 #define MAX_ALLOCA 16*1024
3615 extern Lisp_Object
safe_alloca_unwind (Lisp_Object
);
3617 #define USE_SAFE_ALLOCA \
3618 int sa_count = (int) SPECPDL_INDEX (), sa_must_free = 0
3620 /* SAFE_ALLOCA allocates a simple buffer. */
3622 #define SAFE_ALLOCA(buf, type, size) \
3624 if ((size) < MAX_ALLOCA) \
3625 buf = (type) alloca (size); \
3628 buf = (type) xmalloc (size); \
3630 record_unwind_protect (safe_alloca_unwind, \
3631 make_save_value (buf, 0)); \
3635 /* SAFE_FREE frees xmalloced memory and enables GC as needed. */
3637 #define SAFE_FREE() \
3639 if (sa_must_free) { \
3641 unbind_to (sa_count, Qnil); \
3646 /* SAFE_ALLOCA_LISP allocates an array of Lisp_Objects. */
3648 #define SAFE_ALLOCA_LISP(buf, nelt) \
3650 int size_ = (nelt) * sizeof (Lisp_Object); \
3651 if (size_ < MAX_ALLOCA) \
3652 buf = (Lisp_Object *) alloca (size_); \
3656 buf = (Lisp_Object *) xmalloc (size_); \
3657 arg_ = make_save_value (buf, nelt); \
3658 XSAVE_VALUE (arg_)->dogc = 1; \
3660 record_unwind_protect (safe_alloca_unwind, arg_); \
3665 #include "globals.h"
3667 #endif /* EMACS_LISP_H */