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/>. */
26 /* Use the configure flag --enable-checking[=LIST] to enable various
27 types of run time checks for Lisp objects. */
29 #ifdef GC_CHECK_CONS_LIST
30 #define CHECK_CONS_LIST() check_cons_list()
32 #define CHECK_CONS_LIST() ((void)0)
35 /* These are default choices for the types to use. */
38 #define EMACS_INT long
39 #define BITS_PER_EMACS_INT BITS_PER_LONG
42 #define EMACS_UINT unsigned long
47 #define BITS_PER_EMACS_INT BITS_PER_INT
50 #define EMACS_UINT unsigned int
54 /* Extra internal type checking? */
55 extern int suppress_checking
;
56 extern void die (const char *, const char *, int) NO_RETURN
;
58 #ifdef ENABLE_CHECKING
60 /* The suppress_checking variable is initialized to 0 in alloc.c. Set
61 it to 1 using a debugger to temporarily disable aborting on
62 detected internal inconsistencies or error conditions.
64 Testing suppress_checking after the supplied condition ensures that
65 the side effects produced by CHECK will be consistent, independent
66 of whether ENABLE_CHECKING is defined, or whether the checks are
67 suppressed at run time.
69 In some cases, a good compiler may be able to optimize away the
70 CHECK macro altogether, e.g., if XSTRING (x) uses CHECK to test
71 STRINGP (x), but a particular use of XSTRING is invoked only after
72 testing that STRINGP (x) is true, making the test redundant. */
74 #define CHECK(check,msg) (((check) || suppress_checking \
76 : die ((msg), __FILE__, __LINE__)), \
80 /* Produce same side effects and result, but don't complain. */
81 #define CHECK(check,msg) ((check),0)
85 /* Define an Emacs version of "assert", since some system ones are
87 #ifndef ENABLE_CHECKING
88 #define eassert(X) (void) 0
89 #else /* ENABLE_CHECKING */
90 #if defined (__GNUC__) && __GNUC__ >= 2 && defined (__STDC__)
91 #define eassert(cond) CHECK(cond,"assertion failed: " #cond)
93 #define eassert(cond) CHECK(cond,"assertion failed")
95 #endif /* ENABLE_CHECKING */
97 /* Use the configure flag --enable-use-lisp-union-type to make
98 Lisp_Object use a union type instead of the default int. The flag
99 causes USE_LISP_UNION_TYPE to be defined. */
101 /***** Select the tagging scheme. *****/
102 /* There are basically two options that control the tagging scheme:
103 - USE_LISP_UNION_TYPE says that Lisp_Object should be a union instead
105 - USE_LSB_TAG means that we can assume the least 3 bits of pointers are
106 always 0, and we can thus use them to hold tag bits, without
107 restricting our addressing space.
109 If USE_LSB_TAG is not set, then we use the top 3 bits for tagging, thus
110 restricting our possible address range. Currently USE_LSB_TAG is not
111 allowed together with a union. This is not due to any fundamental
112 technical (or political ;-) problem: nobody wrote the code to do it yet.
114 USE_LSB_TAG not only requires the least 3 bits of pointers returned by
115 malloc to be 0 but also needs to be able to impose a mult-of-8 alignment
116 on the few static Lisp_Objects used: all the defsubr as well
117 as the two special buffers buffer_defaults and buffer_local_symbols. */
119 /* First, try and define DECL_ALIGN(type,var) which declares a static
120 variable VAR of type TYPE with the added requirement that it be
122 #ifndef NO_DECL_ALIGN
124 # if HAVE_ATTRIBUTE_ALIGNED
125 # define DECL_ALIGN(type, var) \
126 type __attribute__ ((__aligned__ (1 << GCTYPEBITS))) var
128 /* What directives do other compilers use? */
133 /* Let's USE_LSB_TAG on systems where we know malloc returns mult-of-8. */
134 #if (defined GNU_MALLOC || defined DOUG_LEA_MALLOC || defined __GLIBC__ \
135 || defined DARWIN_OS || defined __sun)
136 /* We also need to be able to specify mult-of-8 alignment on static vars. */
137 # if defined DECL_ALIGN
142 /* If we cannot use 8-byte alignment, make DECL_ALIGN a no-op. */
145 # error "USE_LSB_TAG used without defining DECL_ALIGN"
147 # define DECL_ALIGN(type, var) type var
151 /* Define the fundamental Lisp data structures. */
153 /* If USE_2_TAGBITS_FOR_INTS is defined, then Lisp integers use
154 2 tags, to give them one extra bit, thus extending their range from
155 e.g -2^28..2^28-1 to -2^29..2^29-1. */
156 #define USE_2_TAGS_FOR_INTS
158 /* Making it work for the union case is too much trouble. */
159 #ifdef USE_LISP_UNION_TYPE
160 # undef USE_2_TAGS_FOR_INTS
163 /* This is the set of Lisp data types. */
165 #if !defined USE_2_TAGS_FOR_INTS
166 # define LISP_INT_TAG Lisp_Int
167 # define case_Lisp_Int case Lisp_Int
168 # define LISP_STRING_TAG 4
169 # define LISP_INT_TAG_P(x) ((x) == Lisp_Int)
171 # define LISP_INT_TAG Lisp_Int0
172 # define case_Lisp_Int case Lisp_Int0: case Lisp_Int1
174 # define LISP_INT1_TAG 4
175 # define LISP_STRING_TAG 1
176 # define LISP_INT_TAG_P(x) (((x) & 3) == 0)
178 # define LISP_INT1_TAG 1
179 # define LISP_STRING_TAG 4
180 # define LISP_INT_TAG_P(x) (((x) & 6) == 0)
186 /* Integer. XINT (obj) is the integer value. */
187 #ifdef USE_2_TAGS_FOR_INTS
189 Lisp_Int1
= LISP_INT1_TAG
,
194 /* Symbol. XSYMBOL (object) points to a struct Lisp_Symbol. */
197 /* Miscellaneous. XMISC (object) points to a union Lisp_Misc,
198 whose first member indicates the subtype. */
201 /* String. XSTRING (object) points to a struct Lisp_String.
202 The length of the string, and its contents, are stored therein. */
203 Lisp_String
= LISP_STRING_TAG
,
205 /* Vector of Lisp objects, or something resembling it.
206 XVECTOR (object) points to a struct Lisp_Vector, which contains
207 the size and contents. The size field also contains the type
208 information, if it's not a real vector object. */
211 /* Cons. XCONS (object) points to a struct Lisp_Cons. */
217 /* This is the set of data types that share a common structure.
218 The first member of the structure is a type code from this set.
219 The enum values are arbitrary, but we'll use large numbers to make it
220 more likely that we'll spot the error if a random word in memory is
221 mistakenly interpreted as a Lisp_Misc. */
224 Lisp_Misc_Free
= 0x5eab,
227 Lisp_Misc_Save_Value
,
228 /* Currently floats are not a misc type,
229 but let's define this in case we want to change that. */
231 /* This is not a type code. It is for range checking. */
235 /* These are the types of forwarding objects used in the value slot
236 of symbols for special built-in variables whose value is stored in
240 Lisp_Fwd_Int
, /* Fwd to a C `int' variable. */
241 Lisp_Fwd_Bool
, /* Fwd to a C boolean var. */
242 Lisp_Fwd_Obj
, /* Fwd to a C Lisp_Object variable. */
243 Lisp_Fwd_Buffer_Obj
, /* Fwd to a Lisp_Object field of buffers. */
244 Lisp_Fwd_Kboard_Obj
, /* Fwd to a Lisp_Object field of kboards. */
251 /* These values are overridden by the m- file on some machines. */
253 #define VALBITS (BITS_PER_EMACS_INT - GCTYPEBITS)
256 #ifdef USE_LISP_UNION_TYPE
258 #ifndef WORDS_BIGENDIAN
260 /* Definition of Lisp_Object for little-endian machines. */
265 /* Used for comparing two Lisp_Objects;
266 also, positive integers can be accessed fast this way. */
271 /* Use explict signed, the signedness of a bit-field of type
272 int is implementation defined. */
273 signed EMACS_INT val
: VALBITS
;
274 enum Lisp_Type type
: GCTYPEBITS
;
278 EMACS_UINT val
: VALBITS
;
279 enum Lisp_Type type
: GCTYPEBITS
;
284 #else /* If WORDS_BIGENDIAN */
289 /* Used for comparing two Lisp_Objects;
290 also, positive integers can be accessed fast this way. */
295 enum Lisp_Type type
: GCTYPEBITS
;
296 /* Use explict signed, the signedness of a bit-field of type
297 int is implementation defined. */
298 signed EMACS_INT val
: VALBITS
;
302 enum Lisp_Type type
: GCTYPEBITS
;
303 EMACS_UINT val
: VALBITS
;
308 #endif /* WORDS_BIGENDIAN */
311 static __inline__ Lisp_Object
312 LISP_MAKE_RVALUE (Lisp_Object o
)
317 /* This is more portable to pre-C99 non-GCC compilers, but for
318 backwards compatibility GCC still accepts an old GNU extension
319 which caused this to only generate a warning. */
320 #define LISP_MAKE_RVALUE(o) (0 ? (o) : (o))
323 #else /* USE_LISP_UNION_TYPE */
325 /* If union type is not wanted, define Lisp_Object as just a number. */
327 typedef EMACS_INT Lisp_Object
;
328 #define LISP_MAKE_RVALUE(o) (0+(o))
329 #endif /* USE_LISP_UNION_TYPE */
331 /* In the size word of a vector, this bit means the vector has been marked.
332 (Shift -1 left, not 1, to avoid provoking overflow diagnostics.) */
334 #define ARRAY_MARK_FLAG ((EMACS_INT) -1 << (BITS_PER_EMACS_INT - 1))
336 /* In the size word of a struct Lisp_Vector, this bit means it's really
337 some other vector-like object. */
338 #define PSEUDOVECTOR_FLAG ((EMACS_INT) 1 << (BITS_PER_EMACS_INT - 2))
340 /* In a pseudovector, the size field actually contains a word with one
341 PSEUDOVECTOR_FLAG bit set, and exactly one of the following bits to
342 indicate the actual type.
343 We use a bitset, even tho only one of the bits can be set at any
344 particular time just so as to be able to use micro-optimizations such as
345 testing membership of a particular subset of pseudovectors in Fequal.
346 It is not crucial, but there are plenty of bits here, so why not do it? */
349 PVEC_NORMAL_VECTOR
= 0,
350 PVEC_PROCESS
= 0x200,
353 PVEC_WINDOW
= 0x1000,
354 PVEC_WINDOW_CONFIGURATION
= 0x2000,
356 PVEC_CHAR_TABLE
= 0x8000,
357 PVEC_BOOL_VECTOR
= 0x10000,
358 PVEC_BUFFER
= 0x20000,
359 PVEC_HASH_TABLE
= 0x40000,
360 PVEC_TERMINAL
= 0x80000,
361 PVEC_SUB_CHAR_TABLE
= 0x100000,
362 PVEC_FONT
= 0x200000,
363 PVEC_OTHER
= 0x400000,
364 PVEC_TYPE_MASK
= 0x7ffe00
366 #if 0 /* This is used to make the value of PSEUDOVECTOR_FLAG available to
367 GDB. It doesn't work on OS Alpha. Moved to a variable in
369 PVEC_FLAG
= PSEUDOVECTOR_FLAG
373 /* For convenience, we also store the number of elements in these bits.
374 Note that this size is not necessarily the memory-footprint size, but
375 only the number of Lisp_Object fields (that need to be traced by the GC).
376 The distinction is used e.g. by Lisp_Process which places extra
377 non-Lisp_Object fields at the end of the structure. */
378 #define PSEUDOVECTOR_SIZE_MASK 0x1ff
380 /* Number of bits to put in each character in the internal representation
381 of bool vectors. This should not vary across implementations. */
382 #define BOOL_VECTOR_BITS_PER_CHAR 8
384 /* These macros extract various sorts of values from a Lisp_Object.
385 For example, if tem is a Lisp_Object whose type is Lisp_Cons,
386 XCONS (tem) is the struct Lisp_Cons * pointing to the memory for that cons. */
388 #ifndef USE_LISP_UNION_TYPE
390 /* Return a perfect hash of the Lisp_Object representation. */
395 #define TYPEMASK ((((EMACS_INT) 1) << GCTYPEBITS) - 1)
396 #define XTYPE(a) ((enum Lisp_Type) (((EMACS_UINT) (a)) & TYPEMASK))
397 #ifdef USE_2_TAGS_FOR_INTS
398 # define XINT(a) (((EMACS_INT) (a)) >> (GCTYPEBITS - 1))
399 # define XUINT(a) (((EMACS_UINT) (a)) >> (GCTYPEBITS - 1))
400 # define make_number(N) (((EMACS_INT) (N)) << (GCTYPEBITS - 1))
402 # define XINT(a) (((EMACS_INT) (a)) >> GCTYPEBITS)
403 # define XUINT(a) (((EMACS_UINT) (a)) >> GCTYPEBITS)
404 # define make_number(N) (((EMACS_INT) (N)) << GCTYPEBITS)
406 #define XSET(var, type, ptr) \
407 (eassert (XTYPE (ptr) == 0), /* Check alignment. */ \
408 (var) = ((EMACS_INT) (type)) | ((EMACS_INT) (ptr)))
410 #define XPNTR(a) ((EMACS_INT) ((a) & ~TYPEMASK))
412 #else /* not USE_LSB_TAG */
414 #define VALMASK ((((EMACS_INT) 1) << VALBITS) - 1)
416 /* One need to override this if there must be high bits set in data space
417 (doing the result of the below & ((1 << (GCTYPE + 1)) - 1) would work
418 on all machines, but would penalize machines which don't need it)
420 #define XTYPE(a) ((enum Lisp_Type) (((EMACS_UINT) (a)) >> VALBITS))
422 /* For integers known to be positive, XFASTINT provides fast retrieval
423 and XSETFASTINT provides fast storage. This takes advantage of the
424 fact that Lisp_Int is 0. */
425 #define XFASTINT(a) ((a) + 0)
426 #define XSETFASTINT(a, b) ((a) = (b))
428 /* Extract the value of a Lisp_Object as a (un)signed integer. */
430 #ifdef USE_2_TAGS_FOR_INTS
431 # define XINT(a) ((((EMACS_INT) (a)) << (GCTYPEBITS - 1)) >> (GCTYPEBITS - 1))
432 # define XUINT(a) ((EMACS_UINT) ((a) & (1 + (VALMASK << 1))))
433 # define make_number(N) ((((EMACS_INT) (N)) & (1 + (VALMASK << 1))))
435 # define XINT(a) ((((EMACS_INT) (a)) << (BITS_PER_EMACS_INT - VALBITS)) \
436 >> (BITS_PER_EMACS_INT - VALBITS))
437 # define XUINT(a) ((EMACS_UINT) ((a) & VALMASK))
438 # define make_number(N) \
439 ((((EMACS_INT) (N)) & VALMASK) | ((EMACS_INT) Lisp_Int) << VALBITS)
442 #define XSET(var, type, ptr) \
443 ((var) = ((EMACS_INT) ((EMACS_UINT) (type) << VALBITS) \
444 + ((EMACS_INT) (ptr) & VALMASK)))
447 /* DATA_SEG_BITS forces extra bits to be or'd in with any pointers
448 which were stored in a Lisp_Object */
449 #define XPNTR(a) ((EMACS_UINT) (((a) & VALMASK) | DATA_SEG_BITS))
451 #define XPNTR(a) ((EMACS_UINT) ((a) & VALMASK))
454 #endif /* not USE_LSB_TAG */
456 #else /* USE_LISP_UNION_TYPE */
458 #ifdef USE_2_TAGS_FOR_INTS
459 # error "USE_2_TAGS_FOR_INTS is not supported with USE_LISP_UNION_TYPE"
462 #define XHASH(a) ((a).i)
463 #define XTYPE(a) ((enum Lisp_Type) (a).u.type)
464 #define XINT(a) ((a).s.val)
465 #define XUINT(a) ((a).u.val)
469 # define XSET(var, vartype, ptr) \
470 (eassert ((((EMACS_UINT) (ptr)) & ((1 << GCTYPEBITS) - 1)) == 0), \
471 (var).u.val = ((EMACS_UINT) (ptr)) >> GCTYPEBITS, \
472 (var).u.type = ((char) (vartype)))
474 /* Some versions of gcc seem to consider the bitfield width when issuing
475 the "cast to pointer from integer of different size" warning, so the
476 cast is here to widen the value back to its natural size. */
477 # define XPNTR(v) ((EMACS_INT)((v).s.val) << GCTYPEBITS)
479 #else /* !USE_LSB_TAG */
481 /* For integers known to be positive, XFASTINT provides fast retrieval
482 and XSETFASTINT provides fast storage. This takes advantage of the
483 fact that Lisp_Int is 0. */
484 # define XFASTINT(a) ((a).i + 0)
485 # define XSETFASTINT(a, b) ((a).i = (b))
487 # define XSET(var, vartype, ptr) \
488 (((var).s.val = ((EMACS_INT) (ptr))), ((var).s.type = ((char) (vartype))))
491 /* DATA_SEG_BITS forces extra bits to be or'd in with any pointers
492 which were stored in a Lisp_Object */
493 #define XPNTR(a) (XUINT (a) | DATA_SEG_BITS)
495 #define XPNTR(a) ((EMACS_INT) XUINT (a))
498 #endif /* !USE_LSB_TAG */
500 #if __GNUC__ >= 2 && defined (__OPTIMIZE__)
501 #define make_number(N) \
502 (__extension__ ({ Lisp_Object _l; _l.s.val = (N); _l.s.type = Lisp_Int; _l; }))
504 extern Lisp_Object
make_number (EMACS_INT
);
507 #endif /* USE_LISP_UNION_TYPE */
509 /* For integers known to be positive, XFASTINT sometimes provides
510 faster retrieval and XSETFASTINT provides faster storage.
511 If not, fallback on the non-accelerated path. */
513 # define XFASTINT(a) (XINT (a))
514 # define XSETFASTINT(a, b) (XSETINT (a, b))
517 #define EQ(x, y) (XHASH (x) == XHASH (y))
519 /* Largest and smallest representable fixnum values. These are the C
522 #ifdef USE_2_TAGS_FOR_INTS
523 # define MOST_NEGATIVE_FIXNUM - ((EMACS_INT) 1 << VALBITS)
524 # define MOST_POSITIVE_FIXNUM (((EMACS_INT) 1 << VALBITS) - 1)
525 /* Mask indicating the significant bits of a Lisp_Int.
526 I.e. (x & INTMASK) == XUINT (make_number (x)). */
527 # define INTMASK ((((EMACS_INT) 1) << (VALBITS + 1)) - 1)
529 # define MOST_NEGATIVE_FIXNUM - ((EMACS_INT) 1 << (VALBITS - 1))
530 # define MOST_POSITIVE_FIXNUM (((EMACS_INT) 1 << (VALBITS - 1)) - 1)
531 /* Mask indicating the significant bits of a Lisp_Int.
532 I.e. (x & INTMASK) == XUINT (make_number (x)). */
533 # define INTMASK ((((EMACS_INT) 1) << VALBITS) - 1)
536 /* Value is non-zero if I doesn't fit into a Lisp fixnum. It is
537 written this way so that it also works if I is of unsigned
540 #define FIXNUM_OVERFLOW_P(i) \
541 ((i) > MOST_POSITIVE_FIXNUM \
542 || ((i) < 0 && (i) < MOST_NEGATIVE_FIXNUM))
544 /* Extract a value or address from a Lisp_Object. */
546 #define XCONS(a) (eassert (CONSP(a)),(struct Lisp_Cons *) XPNTR(a))
547 #define XVECTOR(a) (eassert (VECTORLIKEP(a)),(struct Lisp_Vector *) XPNTR(a))
548 #define XSTRING(a) (eassert (STRINGP(a)),(struct Lisp_String *) XPNTR(a))
549 #define XSYMBOL(a) (eassert (SYMBOLP(a)),(struct Lisp_Symbol *) XPNTR(a))
550 #define XFLOAT(a) (eassert (FLOATP(a)),(struct Lisp_Float *) XPNTR(a))
554 #define XMISC(a) ((union Lisp_Misc *) XPNTR(a))
555 #define XMISCANY(a) (eassert (MISCP (a)), &(XMISC(a)->u_any))
556 #define XMISCTYPE(a) (XMISCANY (a)->type)
557 #define XMARKER(a) (eassert (MARKERP (a)), &(XMISC(a)->u_marker))
558 #define XOVERLAY(a) (eassert (OVERLAYP (a)), &(XMISC(a)->u_overlay))
559 #define XSAVE_VALUE(a) (eassert (SAVE_VALUEP (a)), &(XMISC(a)->u_save_value))
561 /* Forwarding object types. */
563 #define XFWDTYPE(a) (a->u_intfwd.type)
564 #define XINTFWD(a) (eassert (INTFWDP (a)), &((a)->u_intfwd))
565 #define XBOOLFWD(a) (eassert (BOOLFWDP (a)), &((a)->u_boolfwd))
566 #define XOBJFWD(a) (eassert (OBJFWDP (a)), &((a)->u_objfwd))
567 #define XBUFFER_OBJFWD(a) \
568 (eassert (BUFFER_OBJFWDP (a)), &((a)->u_buffer_objfwd))
569 #define XKBOARD_OBJFWD(a) \
570 (eassert (KBOARD_OBJFWDP (a)), &((a)->u_kboard_objfwd))
572 /* Pseudovector types. */
574 #define XPROCESS(a) (eassert (PROCESSP(a)),(struct Lisp_Process *) XPNTR(a))
575 #define XWINDOW(a) (eassert (WINDOWP(a)),(struct window *) XPNTR(a))
576 #define XTERMINAL(a) (eassert (TERMINALP(a)),(struct terminal *) XPNTR(a))
577 #define XSUBR(a) (eassert (SUBRP(a)),(struct Lisp_Subr *) XPNTR(a))
578 #define XBUFFER(a) (eassert (BUFFERP(a)),(struct buffer *) XPNTR(a))
579 #define XCHAR_TABLE(a) (eassert (CHAR_TABLE_P (a)), (struct Lisp_Char_Table *) XPNTR(a))
580 #define XSUB_CHAR_TABLE(a) (eassert (SUB_CHAR_TABLE_P (a)), (struct Lisp_Sub_Char_Table *) XPNTR(a))
581 #define XBOOL_VECTOR(a) (eassert (BOOL_VECTOR_P (a)), (struct Lisp_Bool_Vector *) XPNTR(a))
583 /* Construct a Lisp_Object from a value or address. */
585 #define XSETINT(a, b) (a) = make_number (b)
586 #define XSETCONS(a, b) XSET (a, Lisp_Cons, b)
587 #define XSETVECTOR(a, b) XSET (a, Lisp_Vectorlike, b)
588 #define XSETSTRING(a, b) XSET (a, Lisp_String, b)
589 #define XSETSYMBOL(a, b) XSET (a, Lisp_Symbol, b)
590 #define XSETFLOAT(a, b) XSET (a, Lisp_Float, b)
594 #define XSETMISC(a, b) XSET (a, Lisp_Misc, b)
595 #define XSETMARKER(a, b) (XSETMISC (a, b), XMISCTYPE (a) = Lisp_Misc_Marker)
597 /* Pseudovector types. */
599 #define XSETPVECTYPE(v,code) ((v)->size |= PSEUDOVECTOR_FLAG | (code))
600 #define XSETPSEUDOVECTOR(a, b, code) \
601 (XSETVECTOR (a, b), \
602 eassert ((XVECTOR (a)->size & (PSEUDOVECTOR_FLAG | PVEC_TYPE_MASK)) \
603 == (PSEUDOVECTOR_FLAG | (code))))
604 #define XSETWINDOW_CONFIGURATION(a, b) \
605 (XSETPSEUDOVECTOR (a, b, PVEC_WINDOW_CONFIGURATION))
606 #define XSETPROCESS(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_PROCESS))
607 #define XSETWINDOW(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_WINDOW))
608 #define XSETTERMINAL(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_TERMINAL))
609 #define XSETSUBR(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_SUBR))
610 #define XSETFUNVEC(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_FUNVEC))
611 #define XSETBUFFER(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_BUFFER))
612 #define XSETCHAR_TABLE(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_CHAR_TABLE))
613 #define XSETBOOL_VECTOR(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_BOOL_VECTOR))
614 #define XSETSUB_CHAR_TABLE(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_SUB_CHAR_TABLE))
616 /* Convenience macros for dealing with Lisp arrays. */
618 #define AREF(ARRAY, IDX) XVECTOR ((ARRAY))->contents[IDX]
619 #define ASIZE(ARRAY) XVECTOR ((ARRAY))->size
620 /* The IDX==IDX tries to detect when the macro argument is side-effecting. */
621 #define ASET(ARRAY, IDX, VAL) \
622 (eassert ((IDX) == (IDX)), \
623 eassert ((IDX) >= 0 && (IDX) < ASIZE (ARRAY)), \
624 AREF ((ARRAY), (IDX)) = (VAL))
626 /* Return the size of the psuedo-vector object FUNVEC. */
627 #define FUNVEC_SIZE(funvec) (ASIZE (funvec) & PSEUDOVECTOR_SIZE_MASK)
629 /* Convenience macros for dealing with Lisp strings. */
631 #define SDATA(string) (XSTRING (string)->data + 0)
632 #define SREF(string, index) (SDATA (string)[index] + 0)
633 #define SSET(string, index, new) (SDATA (string)[index] = (new))
634 #define SCHARS(string) (XSTRING (string)->size + 0)
635 #define SBYTES(string) (STRING_BYTES (XSTRING (string)) + 0)
637 /* Avoid "differ in sign" warnings. */
638 #define SSDATA(x) ((char *) SDATA (x))
640 #define STRING_SET_CHARS(string, newsize) \
641 (XSTRING (string)->size = (newsize))
643 #define STRING_COPYIN(string, index, new, count) \
644 memcpy (SDATA (string) + index, new, count)
648 #define CHECK_TYPE(ok, Qxxxp, x) \
649 do { if (!(ok)) wrong_type_argument (Qxxxp, (x)); } while (0)
653 /* See the macros in intervals.h. */
655 typedef struct interval
*INTERVAL
;
657 /* Complain if object is not string or buffer type */
658 #define CHECK_STRING_OR_BUFFER(x) \
659 CHECK_TYPE (STRINGP (x) || BUFFERP (x), Qbuffer_or_string_p, x)
662 /* In a cons, the markbit of the car is the gc mark bit */
666 /* Please do not use the names of these elements in code other
667 than the core lisp implementation. Use XCAR and XCDR below. */
668 #ifdef HIDE_LISP_IMPLEMENTATION
673 struct Lisp_Cons
*chain
;
680 struct Lisp_Cons
*chain
;
685 /* Take the car or cdr of something known to be a cons cell. */
686 /* The _AS_LVALUE macros shouldn't be used outside of the minimal set
687 of code that has to know what a cons cell looks like. Other code not
688 part of the basic lisp implementation should assume that the car and cdr
689 fields are not accessible as lvalues. (What if we want to switch to
690 a copying collector someday? Cached cons cell field addresses may be
691 invalidated at arbitrary points.) */
692 #ifdef HIDE_LISP_IMPLEMENTATION
693 #define XCAR_AS_LVALUE(c) (XCONS ((c))->car_)
694 #define XCDR_AS_LVALUE(c) (XCONS ((c))->u.cdr_)
696 #define XCAR_AS_LVALUE(c) (XCONS ((c))->car)
697 #define XCDR_AS_LVALUE(c) (XCONS ((c))->u.cdr)
700 /* Use these from normal code. */
701 #define XCAR(c) LISP_MAKE_RVALUE(XCAR_AS_LVALUE(c))
702 #define XCDR(c) LISP_MAKE_RVALUE(XCDR_AS_LVALUE(c))
704 /* Use these to set the fields of a cons cell.
706 Note that both arguments may refer to the same object, so 'n'
707 should not be read after 'c' is first modified. Also, neither
708 argument should be evaluated more than once; side effects are
709 especially common in the second argument. */
710 #define XSETCAR(c,n) (XCAR_AS_LVALUE(c) = (n))
711 #define XSETCDR(c,n) (XCDR_AS_LVALUE(c) = (n))
713 /* Take the car or cdr of something whose type is not known. */
715 (CONSP ((c)) ? XCAR ((c)) \
716 : NILP ((c)) ? Qnil \
717 : wrong_type_argument (Qlistp, (c)))
720 (CONSP ((c)) ? XCDR ((c)) \
721 : NILP ((c)) ? Qnil \
722 : wrong_type_argument (Qlistp, (c)))
724 /* Take the car or cdr of something whose type is not known. */
725 #define CAR_SAFE(c) \
726 (CONSP ((c)) ? XCAR ((c)) : Qnil)
728 #define CDR_SAFE(c) \
729 (CONSP ((c)) ? XCDR ((c)) : Qnil)
731 /* Nonzero if STR is a multibyte string. */
732 #define STRING_MULTIBYTE(STR) \
733 (XSTRING (STR)->size_byte >= 0)
735 /* Return the length in bytes of STR. */
737 #ifdef GC_CHECK_STRING_BYTES
740 extern EMACS_INT
string_bytes (struct Lisp_String
*);
741 #define STRING_BYTES(S) string_bytes ((S))
743 #else /* not GC_CHECK_STRING_BYTES */
745 #define STRING_BYTES(STR) \
746 ((STR)->size_byte < 0 ? (STR)->size : (STR)->size_byte)
748 #endif /* not GC_CHECK_STRING_BYTES */
750 /* Mark STR as a unibyte string. */
751 #define STRING_SET_UNIBYTE(STR) \
752 do { if (EQ (STR, empty_multibyte_string)) \
753 (STR) = empty_unibyte_string; \
754 else XSTRING (STR)->size_byte = -1; } while (0)
756 /* Mark STR as a multibyte string. Assure that STR contains only
757 ASCII characters in advance. */
758 #define STRING_SET_MULTIBYTE(STR) \
759 do { if (EQ (STR, empty_unibyte_string)) \
760 (STR) = empty_multibyte_string; \
761 else XSTRING (STR)->size_byte = XSTRING (STR)->size; } while (0)
763 /* Get text properties. */
764 #define STRING_INTERVALS(STR) (XSTRING (STR)->intervals + 0)
766 /* Set text properties. */
767 #define STRING_SET_INTERVALS(STR, INT) (XSTRING (STR)->intervals = (INT))
769 /* In a string or vector, the sign bit of the `size' is the gc mark bit */
775 INTERVAL intervals
; /* text properties in this string */
782 struct Lisp_Vector
*next
;
783 Lisp_Object contents
[1];
786 /* If a struct is made to look like a vector, this macro returns the length
787 of the shortest vector that would hold that struct. */
788 #define VECSIZE(type) ((sizeof (type) \
789 - offsetof (struct Lisp_Vector, contents[0]) \
790 + sizeof(Lisp_Object) - 1) /* round up */ \
791 / sizeof (Lisp_Object))
793 /* Like VECSIZE, but used when the pseudo-vector has non-Lisp_Object fields
794 at the end and we need to compute the number of Lisp_Object fields (the
795 ones that the GC needs to trace). */
796 #define PSEUDOVECSIZE(type, nonlispfield) \
797 ((offsetof(type, nonlispfield) - offsetof(struct Lisp_Vector, contents[0])) \
798 / sizeof (Lisp_Object))
800 /* A char-table is a kind of vectorlike, with contents are like a
801 vector but with a few other slots. For some purposes, it makes
802 sense to handle a char-table with type struct Lisp_Vector. An
803 element of a char table can be any Lisp objects, but if it is a sub
804 char-table, we treat it a table that contains information of a
805 specific range of characters. A sub char-table has the same
806 structure as a vector. A sub char table appears only in an element
807 of a char-table, and there's no way to access it directly from
808 Emacs Lisp program. */
810 /* This is the number of slots that every char table must have. This
811 counts the ordinary slots and the top, defalt, parent, and purpose
813 #define CHAR_TABLE_STANDARD_SLOTS (VECSIZE (struct Lisp_Char_Table) - 1)
815 /* Return the number of "extra" slots in the char table CT. */
817 #define CHAR_TABLE_EXTRA_SLOTS(CT) \
818 (((CT)->size & PSEUDOVECTOR_SIZE_MASK) - CHAR_TABLE_STANDARD_SLOTS)
822 #define CHAR_TABLE_REF_ASCII(CT, IDX) \
823 ({struct Lisp_Char_Table *_tbl = NULL; \
826 _tbl = _tbl ? XCHAR_TABLE (_tbl->parent) : XCHAR_TABLE (CT); \
827 _val = (! SUB_CHAR_TABLE_P (_tbl->ascii) ? _tbl->ascii \
828 : XSUB_CHAR_TABLE (_tbl->ascii)->contents[IDX]); \
830 _val = _tbl->defalt; \
831 } while (NILP (_val) && ! NILP (_tbl->parent)); \
834 #else /* not __GNUC__ */
836 #define CHAR_TABLE_REF_ASCII(CT, IDX) \
837 (! NILP (XCHAR_TABLE (CT)->ascii) \
838 ? (! SUB_CHAR_TABLE_P (XCHAR_TABLE (CT)->ascii) \
839 ? XCHAR_TABLE (CT)->ascii \
840 : ! NILP (XSUB_CHAR_TABLE (XCHAR_TABLE (CT)->ascii)->contents[IDX]) \
841 ? XSUB_CHAR_TABLE (XCHAR_TABLE (CT)->ascii)->contents[IDX] \
842 : char_table_ref ((CT), (IDX))) \
843 : char_table_ref ((CT), (IDX)))
845 #endif /* not __GNUC__ */
847 /* Almost equivalent to Faref (CT, IDX) with optimization for ASCII
848 characters. Do not check validity of CT. */
849 #define CHAR_TABLE_REF(CT, IDX) \
850 (ASCII_CHAR_P (IDX) ? CHAR_TABLE_REF_ASCII ((CT), (IDX)) \
851 : char_table_ref ((CT), (IDX)))
853 /* Almost equivalent to Faref (CT, IDX). However, if the result is
854 not a character, return IDX.
856 For these characters, do not check validity of CT
857 and do not follow parent. */
858 #define CHAR_TABLE_TRANSLATE(CT, IDX) \
859 char_table_translate (CT, IDX)
861 /* Equivalent to Faset (CT, IDX, VAL) with optimization for ASCII and
862 8-bit European characters. Do not check validity of CT. */
863 #define CHAR_TABLE_SET(CT, IDX, VAL) \
864 (((IDX) >= 0 && ASCII_CHAR_P (IDX) \
865 && SUB_CHAR_TABLE_P (XCHAR_TABLE (CT)->ascii)) \
866 ? XSUB_CHAR_TABLE (XCHAR_TABLE (CT)->ascii)->contents[IDX] = VAL \
867 : char_table_set (CT, IDX, VAL))
869 #define CHARTAB_SIZE_BITS_0 6
870 #define CHARTAB_SIZE_BITS_1 4
871 #define CHARTAB_SIZE_BITS_2 5
872 #define CHARTAB_SIZE_BITS_3 7
874 extern const int chartab_size
[4];
876 struct Lisp_Sub_Char_Table
;
878 struct Lisp_Char_Table
880 /* This is the vector's size field, which also holds the
881 pseudovector type information. It holds the size, too.
882 The size counts the defalt, parent, purpose, ascii,
883 contents, and extras slots. */
885 struct Lisp_Vector
*next
;
887 /* This holds a default value,
888 which is used whenever the value for a specific character is nil. */
891 /* This points to another char table, which we inherit from when the
892 value for a specific character is nil. The `defalt' slot takes
893 precedence over this. */
896 /* This is a symbol which says what kind of use this char-table is
900 /* The bottom sub char-table for characters of the range 0..127. It
901 is nil if none of ASCII character has a specific value. */
904 Lisp_Object contents
[(1 << CHARTAB_SIZE_BITS_0
)];
906 /* These hold additional data. It is a vector. */
907 Lisp_Object extras
[1];
910 struct Lisp_Sub_Char_Table
912 /* This is the vector's size field, which also holds the
913 pseudovector type information. It holds the size, too. */
915 struct Lisp_Vector
*next
;
917 /* Depth of this sub char-table. It should be 1, 2, or 3. A sub
918 char-table of depth 1 contains 16 elements, and each element
919 covers 4096 (128*32) characters. A sub char-table of depth 2
920 contains 32 elements, and each element covers 128 characters. A
921 sub char-table of depth 3 contains 128 elements, and each element
922 is for one character. */
925 /* Minimum character covered by the sub char-table. */
926 Lisp_Object min_char
;
928 Lisp_Object contents
[1];
931 /* A boolvector is a kind of vectorlike, with contents are like a string. */
932 struct Lisp_Bool_Vector
934 /* This is the vector's size field. It doesn't have the real size,
935 just the subtype information. */
936 EMACS_UINT vector_size
;
937 struct Lisp_Vector
*next
;
938 /* This is the size in bits. */
940 /* This contains the actual bits, packed into bytes. */
941 unsigned char data
[1];
944 /* This structure describes a built-in function.
945 It is generated by the DEFUN macro only.
946 defsubr makes it into a Lisp object.
948 This type is treated in most respects as a pseudovector,
949 but since we never dynamically allocate or free them,
950 we don't need a next-vector field. */
956 Lisp_Object (*a0
) (void);
957 Lisp_Object (*a1
) (Lisp_Object
);
958 Lisp_Object (*a2
) (Lisp_Object
, Lisp_Object
);
959 Lisp_Object (*a3
) (Lisp_Object
, Lisp_Object
, Lisp_Object
);
960 Lisp_Object (*a4
) (Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
);
961 Lisp_Object (*a5
) (Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
);
962 Lisp_Object (*a6
) (Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
);
963 Lisp_Object (*a7
) (Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
);
964 Lisp_Object (*a8
) (Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
);
965 Lisp_Object (*aUNEVALLED
) (Lisp_Object args
);
966 Lisp_Object (*aMANY
) (int, Lisp_Object
*);
968 short min_args
, max_args
;
969 const char *symbol_name
;
975 /***********************************************************************
977 ***********************************************************************/
979 /* Interned state of a symbol. */
983 SYMBOL_UNINTERNED
= 0,
985 SYMBOL_INTERNED_IN_INITIAL_OBARRAY
= 2
992 SYMBOL_LOCALIZED
= 2,
996 /* In a symbol, the markbit of the plist is used as the gc mark bit */
1000 unsigned gcmarkbit
: 1;
1002 /* Indicates where the value can be found:
1003 0 : it's a plain var, the value is in the `value' field.
1004 1 : it's a varalias, the value is really in the `alias' symbol.
1005 2 : it's a localized var, the value is in the `blv' object.
1006 3 : it's a forwarding variable, the value is in `forward'.
1008 enum symbol_redirect redirect
: 3;
1010 /* Non-zero means symbol is constant, i.e. changing its value
1011 should signal an error. If the value is 3, then the var
1012 can be changed, but only by `defconst'. */
1013 unsigned constant
: 2;
1015 /* Interned state of the symbol. This is an enumerator from
1016 enum symbol_interned. */
1017 unsigned interned
: 2;
1019 /* Non-zero means that this variable has been explicitly declared
1020 special (with `defvar' etc), and shouldn't be lexically bound. */
1021 unsigned declared_special
: 1;
1023 /* The symbol's name, as a Lisp string.
1025 The name "xname" is used to intentionally break code referring to
1026 the old field "name" of type pointer to struct Lisp_String. */
1029 /* Value of the symbol or Qunbound if unbound. If this symbol is a
1030 defvaralias, `alias' contains the symbol for which it is an
1031 alias. Use the SYMBOL_VALUE and SET_SYMBOL_VALUE macros to get
1032 and set a symbol's value, to take defvaralias into account. */
1035 struct Lisp_Symbol
*alias
;
1036 struct Lisp_Buffer_Local_Value
*blv
;
1037 union Lisp_Fwd
*fwd
;
1040 /* Function value of the symbol or Qunbound if not fboundp. */
1041 Lisp_Object function
;
1043 /* The symbol's property list. */
1046 /* Next symbol in obarray bucket, if the symbol is interned. */
1047 struct Lisp_Symbol
*next
;
1050 /* Value is name of symbol. */
1052 #define SYMBOL_VAL(sym) \
1053 (eassert ((sym)->redirect == SYMBOL_PLAINVAL), (sym)->val.value)
1054 #define SYMBOL_ALIAS(sym) \
1055 (eassert ((sym)->redirect == SYMBOL_VARALIAS), (sym)->val.alias)
1056 #define SYMBOL_BLV(sym) \
1057 (eassert ((sym)->redirect == SYMBOL_LOCALIZED), (sym)->val.blv)
1058 #define SYMBOL_FWD(sym) \
1059 (eassert ((sym)->redirect == SYMBOL_FORWARDED), (sym)->val.fwd)
1060 #define SET_SYMBOL_VAL(sym, v) \
1061 (eassert ((sym)->redirect == SYMBOL_PLAINVAL), (sym)->val.value = (v))
1062 #define SET_SYMBOL_ALIAS(sym, v) \
1063 (eassert ((sym)->redirect == SYMBOL_VARALIAS), (sym)->val.alias = (v))
1064 #define SET_SYMBOL_BLV(sym, v) \
1065 (eassert ((sym)->redirect == SYMBOL_LOCALIZED), (sym)->val.blv = (v))
1066 #define SET_SYMBOL_FWD(sym, v) \
1067 (eassert ((sym)->redirect == SYMBOL_FORWARDED), (sym)->val.fwd = (v))
1069 #define SYMBOL_NAME(sym) \
1070 LISP_MAKE_RVALUE (XSYMBOL (sym)->xname)
1072 /* Value is non-zero if SYM is an interned symbol. */
1074 #define SYMBOL_INTERNED_P(sym) \
1075 (XSYMBOL (sym)->interned != SYMBOL_UNINTERNED)
1077 /* Value is non-zero if SYM is interned in initial_obarray. */
1079 #define SYMBOL_INTERNED_IN_INITIAL_OBARRAY_P(sym) \
1080 (XSYMBOL (sym)->interned == SYMBOL_INTERNED_IN_INITIAL_OBARRAY)
1082 /* Value is non-zero if symbol is considered a constant, i.e. its
1083 value cannot be changed (there is an exception for keyword symbols,
1084 whose value can be set to the keyword symbol itself). */
1086 #define SYMBOL_CONSTANT_P(sym) XSYMBOL (sym)->constant
1089 /***********************************************************************
1091 ***********************************************************************/
1093 /* The structure of a Lisp hash table. */
1095 struct Lisp_Hash_Table
1097 /* Vector fields. The hash table code doesn't refer to these. */
1099 struct Lisp_Vector
*vec_next
;
1101 /* Function used to compare keys. */
1104 /* Nil if table is non-weak. Otherwise a symbol describing the
1105 weakness of the table. */
1108 /* When the table is resized, and this is an integer, compute the
1109 new size by adding this to the old size. If a float, compute the
1110 new size by multiplying the old size with this factor. */
1111 Lisp_Object rehash_size
;
1113 /* Resize hash table when number of entries/ table size is >= this
1115 Lisp_Object rehash_threshold
;
1117 /* Vector of hash codes.. If hash[I] is nil, this means that that
1118 entry I is unused. */
1121 /* Vector used to chain entries. If entry I is free, next[I] is the
1122 entry number of the next free item. If entry I is non-free,
1123 next[I] is the index of the next entry in the collision chain. */
1126 /* Index of first free entry in free list. */
1127 Lisp_Object next_free
;
1129 /* Bucket vector. A non-nil entry is the index of the first item in
1130 a collision chain. This vector's size can be larger than the
1131 hash table size to reduce collisions. */
1134 /* User-supplied hash function, or nil. */
1135 Lisp_Object user_hash_function
;
1137 /* User-supplied key comparison function, or nil. */
1138 Lisp_Object user_cmp_function
;
1140 /* Only the fields above are traced normally by the GC. The ones below
1141 `count' are special and are either ignored by the GC or traced in
1142 a special way (e.g. because of weakness). */
1144 /* Number of key/value entries in the table. */
1147 /* Vector of keys and values. The key of item I is found at index
1148 2 * I, the value is found at index 2 * I + 1.
1149 This is gc_marked specially if the table is weak. */
1150 Lisp_Object key_and_value
;
1152 /* Next weak hash table if this is a weak hash table. The head
1153 of the list is in weak_hash_tables. */
1154 struct Lisp_Hash_Table
*next_weak
;
1156 /* C function to compare two keys. */
1157 int (* cmpfn
) (struct Lisp_Hash_Table
*, Lisp_Object
,
1158 unsigned, Lisp_Object
, unsigned);
1160 /* C function to compute hash code. */
1161 unsigned (* hashfn
) (struct Lisp_Hash_Table
*, Lisp_Object
);
1165 #define XHASH_TABLE(OBJ) \
1166 ((struct Lisp_Hash_Table *) XPNTR (OBJ))
1168 #define XSET_HASH_TABLE(VAR, PTR) \
1169 (XSETPSEUDOVECTOR (VAR, PTR, PVEC_HASH_TABLE))
1171 #define HASH_TABLE_P(OBJ) PSEUDOVECTORP (OBJ, PVEC_HASH_TABLE)
1173 #define CHECK_HASH_TABLE(x) \
1174 CHECK_TYPE (HASH_TABLE_P (x), Qhash_table_p, x)
1176 /* Value is the key part of entry IDX in hash table H. */
1178 #define HASH_KEY(H, IDX) AREF ((H)->key_and_value, 2 * (IDX))
1180 /* Value is the value part of entry IDX in hash table H. */
1182 #define HASH_VALUE(H, IDX) AREF ((H)->key_and_value, 2 * (IDX) + 1)
1184 /* Value is the index of the next entry following the one at IDX
1187 #define HASH_NEXT(H, IDX) AREF ((H)->next, (IDX))
1189 /* Value is the hash code computed for entry IDX in hash table H. */
1191 #define HASH_HASH(H, IDX) AREF ((H)->hash, (IDX))
1193 /* Value is the index of the element in hash table H that is the
1194 start of the collision list at index IDX in the index vector of H. */
1196 #define HASH_INDEX(H, IDX) AREF ((H)->index, (IDX))
1198 /* Value is the size of hash table H. */
1200 #define HASH_TABLE_SIZE(H) XVECTOR ((H)->next)->size
1202 /* Default size for hash tables if not specified. */
1204 #define DEFAULT_HASH_SIZE 65
1206 /* Default threshold specifying when to resize a hash table. The
1207 value gives the ratio of current entries in the hash table and the
1208 size of the hash table. */
1210 #define DEFAULT_REHASH_THRESHOLD 0.8
1212 /* Default factor by which to increase the size of a hash table. */
1214 #define DEFAULT_REHASH_SIZE 1.5
1217 /* These structures are used for various misc types. */
1219 struct Lisp_Misc_Any
/* Supertype of all Misc types. */
1221 enum Lisp_Misc_Type type
: 16; /* = Lisp_Misc_??? */
1222 unsigned gcmarkbit
: 1;
1224 /* Make it as long as "Lisp_Free without padding". */
1230 enum Lisp_Misc_Type type
: 16; /* = Lisp_Misc_Marker */
1231 unsigned gcmarkbit
: 1;
1233 /* This flag is temporarily used in the functions
1234 decode/encode_coding_object to record that the marker position
1235 must be adjusted after the conversion. */
1236 unsigned int need_adjustment
: 1;
1237 /* 1 means normal insertion at the marker's position
1238 leaves the marker after the inserted text. */
1239 unsigned int insertion_type
: 1;
1240 /* This is the buffer that the marker points into, or 0 if it points nowhere.
1241 Note: a chain of markers can contain markers pointing into different
1242 buffers (the chain is per buffer_text rather than per buffer, so it's
1243 shared between indirect buffers). */
1244 /* This is used for (other than NULL-checking):
1246 - Fset_marker: check eq(oldbuf, newbuf) to avoid unchain+rechain.
1247 - unchain_marker: to find the list from which to unchain.
1248 - Fkill_buffer: to only unchain the markers of current indirect buffer.
1250 struct buffer
*buffer
;
1252 /* The remaining fields are meaningless in a marker that
1253 does not point anywhere. */
1255 /* For markers that point somewhere,
1256 this is used to chain of all the markers in a given buffer. */
1257 /* We could remove it and use an array in buffer_text instead.
1258 That would also allow to preserve it ordered. */
1259 struct Lisp_Marker
*next
;
1260 /* This is the char position where the marker points. */
1262 /* This is the byte position.
1263 It's mostly used as a charpos<->bytepos cache (i.e. it's not directly
1264 used to implement the functionality of markers, but rather to (ab)use
1265 markers as a cache for char<->byte mappings). */
1269 /* Forwarding pointer to an int variable.
1270 This is allowed only in the value cell of a symbol,
1271 and it means that the symbol's value really lives in the
1272 specified int variable. */
1275 enum Lisp_Fwd_Type type
; /* = Lisp_Fwd_Int */
1279 /* Boolean forwarding pointer to an int variable.
1280 This is like Lisp_Intfwd except that the ostensible
1281 "value" of the symbol is t if the int variable is nonzero,
1282 nil if it is zero. */
1285 enum Lisp_Fwd_Type type
; /* = Lisp_Fwd_Bool */
1289 /* Forwarding pointer to a Lisp_Object variable.
1290 This is allowed only in the value cell of a symbol,
1291 and it means that the symbol's value really lives in the
1292 specified variable. */
1295 enum Lisp_Fwd_Type type
; /* = Lisp_Fwd_Obj */
1296 Lisp_Object
*objvar
;
1299 /* Like Lisp_Objfwd except that value lives in a slot in the
1300 current buffer. Value is byte index of slot within buffer. */
1301 struct Lisp_Buffer_Objfwd
1303 enum Lisp_Fwd_Type type
; /* = Lisp_Fwd_Buffer_Obj */
1305 Lisp_Object slottype
; /* Qnil, Lisp_Int, Lisp_Symbol, or Lisp_String. */
1308 /* struct Lisp_Buffer_Local_Value is used in a symbol value cell when
1309 the symbol has buffer-local or frame-local bindings. (Exception:
1310 some buffer-local variables are built-in, with their values stored
1311 in the buffer structure itself. They are handled differently,
1312 using struct Lisp_Buffer_Objfwd.)
1314 The `realvalue' slot holds the variable's current value, or a
1315 forwarding pointer to where that value is kept. This value is the
1316 one that corresponds to the loaded binding. To read or set the
1317 variable, you must first make sure the right binding is loaded;
1318 then you can access the value in (or through) `realvalue'.
1320 `buffer' and `frame' are the buffer and frame for which the loaded
1321 binding was found. If those have changed, to make sure the right
1322 binding is loaded it is necessary to find which binding goes with
1323 the current buffer and selected frame, then load it. To load it,
1324 first unload the previous binding, then copy the value of the new
1325 binding into `realvalue' (or through it). Also update
1326 LOADED-BINDING to point to the newly loaded binding.
1328 `local_if_set' indicates that merely setting the variable creates a
1329 local binding for the current buffer. Otherwise the latter, setting
1330 the variable does not do that; only make-local-variable does that. */
1332 struct Lisp_Buffer_Local_Value
1334 /* 1 means that merely setting the variable creates a local
1335 binding for the current buffer */
1336 unsigned int local_if_set
: 1;
1337 /* 1 means this variable can have frame-local bindings, otherwise, it is
1338 can have buffer-local bindings. The two cannot be combined. */
1339 unsigned int frame_local
: 1;
1340 /* 1 means that the binding now loaded was found.
1341 Presumably equivalent to (defcell!=valcell) */
1342 unsigned int found
: 1;
1343 /* If non-NULL, a forwarding to the C var where it should also be set. */
1344 union Lisp_Fwd
*fwd
; /* Should never be (Buffer|Kboard)_Objfwd. */
1345 /* The buffer or frame for which the loaded binding was found. */
1347 /* A cons cell that holds the default value. It has the form
1348 (SYMBOL . DEFAULT-VALUE). */
1349 Lisp_Object defcell
;
1350 /* The cons cell from `where's parameter alist.
1351 It always has the form (SYMBOL . VALUE)
1352 Note that if `forward' is non-nil, VALUE may be out of date.
1353 Also if the currently loaded binding is the default binding, then
1354 this is `eq'ual to defcell. */
1355 Lisp_Object valcell
;
1358 #define BLV_FOUND(blv) \
1359 (eassert ((blv)->found == !EQ ((blv)->defcell, (blv)->valcell)), (blv)->found)
1360 #define SET_BLV_FOUND(blv, v) \
1361 (eassert ((v) == !EQ ((blv)->defcell, (blv)->valcell)), (blv)->found = (v))
1363 #define BLV_VALUE(blv) (XCDR ((blv)->valcell))
1364 #define SET_BLV_VALUE(blv, v) (XSETCDR ((blv)->valcell, v))
1366 /* START and END are markers in the overlay's buffer, and
1367 PLIST is the overlay's property list. */
1369 /* An overlay's real data content is:
1372 - insertion type of both ends
1373 - start & start_byte
1375 - next (singly linked list of overlays).
1376 - start_next and end_next (singly linked list of markers).
1377 I.e. 9words plus 2 bits, 3words of which are for external linked lists.
1380 enum Lisp_Misc_Type type
: 16; /* = Lisp_Misc_Overlay */
1381 unsigned gcmarkbit
: 1;
1383 struct Lisp_Overlay
*next
;
1384 Lisp_Object start
, end
, plist
;
1387 /* Like Lisp_Objfwd except that value lives in a slot in the
1389 struct Lisp_Kboard_Objfwd
1391 enum Lisp_Fwd_Type type
; /* = Lisp_Fwd_Kboard_Obj */
1395 /* Hold a C pointer for later use.
1396 This type of object is used in the arg to record_unwind_protect. */
1397 struct Lisp_Save_Value
1399 enum Lisp_Misc_Type type
: 16; /* = Lisp_Misc_Save_Value */
1400 unsigned gcmarkbit
: 1;
1402 /* If DOGC is set, POINTER is the address of a memory
1403 area containing INTEGER potential Lisp_Objects. */
1404 unsigned int dogc
: 1;
1410 /* A miscellaneous object, when it's on the free list. */
1413 enum Lisp_Misc_Type type
: 16; /* = Lisp_Misc_Free */
1414 unsigned gcmarkbit
: 1;
1416 union Lisp_Misc
*chain
;
1418 /* Try to make sure that sizeof(Lisp_Misc) preserves TYPEBITS-alignment.
1419 This assumes that Lisp_Marker is the largest of the alternatives and
1420 that Lisp_Misc_Any has the same size as "Lisp_Free w/o padding". */
1421 char padding
[((((sizeof (struct Lisp_Marker
) - 1) >> GCTYPEBITS
) + 1)
1422 << GCTYPEBITS
) - sizeof (struct Lisp_Misc_Any
)];
1426 /* To get the type field of a union Lisp_Misc, use XMISCTYPE.
1427 It uses one of these struct subtypes to get the type field. */
1431 struct Lisp_Misc_Any u_any
; /* Supertype of all Misc types. */
1432 struct Lisp_Free u_free
; /* Includes padding to force alignment. */
1433 struct Lisp_Marker u_marker
; /* 5 */
1434 struct Lisp_Overlay u_overlay
; /* 5 */
1435 struct Lisp_Save_Value u_save_value
; /* 3 */
1440 struct Lisp_Intfwd u_intfwd
; /* 2 */
1441 struct Lisp_Boolfwd u_boolfwd
; /* 2 */
1442 struct Lisp_Objfwd u_objfwd
; /* 2 */
1443 struct Lisp_Buffer_Objfwd u_buffer_objfwd
; /* 2 */
1444 struct Lisp_Kboard_Objfwd u_kboard_objfwd
; /* 2 */
1447 /* Lisp floating point type */
1452 #ifdef HIDE_LISP_IMPLEMENTATION
1457 struct Lisp_Float
*chain
;
1461 #ifdef HIDE_LISP_IMPLEMENTATION
1462 #define XFLOAT_DATA(f) (0 ? XFLOAT (f)->u.data_ : XFLOAT (f)->u.data_)
1464 #define XFLOAT_DATA(f) (0 ? XFLOAT (f)->u.data : XFLOAT (f)->u.data)
1465 /* This should be used only in alloc.c, which always disables
1466 HIDE_LISP_IMPLEMENTATION. */
1467 #define XFLOAT_INIT(f,n) (XFLOAT (f)->u.data = (n))
1470 /* A character, declared with the following typedef, is a member
1471 of some character set associated with the current buffer. */
1472 #ifndef _UCHAR_T /* Protect against something in ctab.h on AIX. */
1474 typedef unsigned char UCHAR
;
1477 /* Meanings of slots in a byte-compiled function vector: */
1479 #define COMPILED_ARGLIST 0
1480 #define COMPILED_BYTECODE 1
1481 #define COMPILED_CONSTANTS 2
1482 #define COMPILED_STACK_DEPTH 3
1483 #define COMPILED_DOC_STRING 4
1484 #define COMPILED_INTERACTIVE 5
1485 #define COMPILED_PUSH_ARGS 6
1487 /* Return non-zero if TAG, the first element from a funvec object, refers
1488 to a byte-code object. Byte-code objects are distinguished from other
1489 `funvec' objects by having a (possibly empty) list as their first
1490 element -- other funvec types use a non-nil symbol there. */
1491 #define FUNVEC_COMPILED_TAG_P(tag) \
1492 (NILP (tag) || CONSP (tag))
1494 /* Return non-zero if FUNVEC, which should be a `funvec' object, is a
1495 byte-compiled function. Byte-compiled function are funvecs with the
1496 arglist as the first element (other funvec types will have a symbol
1497 identifying the type as the first object). */
1498 #define FUNVEC_COMPILED_P(funvec) \
1499 (FUNVEC_SIZE (funvec) > 0 && FUNVEC_COMPILED_TAG_P (AREF (funvec, 0)))
1501 /* Return non-zero if OBJ is byte-compile function. */
1502 #define COMPILEDP(obj) \
1503 (FUNVECP (obj) && FUNVEC_COMPILED_P (obj))
1505 /* Flag bits in a character. These also get used in termhooks.h.
1506 Richard Stallman <rms@gnu.ai.mit.edu> thinks that MULE
1507 (MUlti-Lingual Emacs) might need 22 bits for the character value
1508 itself, so we probably shouldn't use any bits lower than 0x0400000. */
1509 #define CHAR_ALT (0x0400000)
1510 #define CHAR_SUPER (0x0800000)
1511 #define CHAR_HYPER (0x1000000)
1512 #define CHAR_SHIFT (0x2000000)
1513 #define CHAR_CTL (0x4000000)
1514 #define CHAR_META (0x8000000)
1516 #define CHAR_MODIFIER_MASK \
1517 (CHAR_ALT | CHAR_SUPER | CHAR_HYPER | CHAR_SHIFT | CHAR_CTL | CHAR_META)
1520 /* Actually, the current Emacs uses 22 bits for the character value
1522 #define CHARACTERBITS 22
1524 /* The maximum byte size consumed by push_key_description.
1525 All callers should assure that at least this size of memory is
1526 allocated at the place pointed by the second argument.
1528 There are 6 modifiers, each consumes 2 chars.
1529 The octal form of a character code consumes
1530 (1 + CHARACTERBITS / 3 + 1) chars (including backslash at the head).
1531 We need one more byte for string terminator `\0'. */
1532 #define KEY_DESCRIPTION_SIZE ((2 * 6) + 1 + (CHARACTERBITS / 3) + 1 + 1)
1535 /* The glyph datatype, used to represent characters on the display.
1536 It consists of a char code and a face id. */
1543 /* Return a glyph's character code. */
1544 #define GLYPH_CHAR(glyph) ((glyph).ch)
1546 /* Return a glyph's face ID. */
1547 #define GLYPH_FACE(glyph) ((glyph).face_id)
1549 #define SET_GLYPH_CHAR(glyph, char) ((glyph).ch = (char))
1550 #define SET_GLYPH_FACE(glyph, face) ((glyph).face_id = (face))
1551 #define SET_GLYPH(glyph, char, face) ((glyph).ch = (char), (glyph).face_id = (face))
1553 /* Return 1 if GLYPH contains valid character code. */
1554 #define GLYPH_CHAR_VALID_P(glyph) CHAR_VALID_P (GLYPH_CHAR (glyph), 1)
1557 /* Glyph Code from a display vector may either be an integer which
1558 encodes a char code in the lower CHARACTERBITS bits and a (very small)
1559 face-id in the upper bits, or it may be a cons (CHAR . FACE-ID). */
1561 #define GLYPH_CODE_CHAR(gc) \
1562 (CONSP (gc) ? XINT (XCAR (gc)) : INTEGERP (gc) ? (XINT (gc) & ((1 << CHARACTERBITS)-1)) : 0)
1564 #define GLYPH_CODE_FACE(gc) \
1565 (CONSP (gc) ? XINT (XCDR (gc)) : INTEGERP (gc) ? (XINT (gc) >> CHARACTERBITS) : DEFAULT_FACE_ID)
1567 /* Return 1 if glyph code from display vector contains valid character code. */
1568 #define GLYPH_CODE_CHAR_VALID_P(gc) CHAR_VALID_P (GLYPH_CODE_CHAR (gc), 1)
1570 #define GLYPH_CODE_P(gc) ((CONSP (gc) && INTEGERP (XCAR (gc)) && INTEGERP (XCDR (gc))) || INTEGERP (gc))
1572 /* Only called when GLYPH_CODE_P (gc) is true. */
1573 #define SET_GLYPH_FROM_GLYPH_CODE(glyph, gc) \
1577 SET_GLYPH (glyph, XINT (XCAR (gc)), XINT (XCDR (gc))); \
1579 SET_GLYPH (glyph, (XINT (gc) & ((1 << CHARACTERBITS)-1)), \
1580 (XINT (gc) >> CHARACTERBITS)); \
1584 /* The ID of the mode line highlighting face. */
1585 #define GLYPH_MODE_LINE_FACE 1
1587 /* Structure to hold mouse highlight data. This is here because other
1588 header files need it for defining struct x_output etc. */
1590 /* These variables describe the range of text currently shown in its
1591 mouse-face, together with the window they apply to. As long as
1592 the mouse stays within this range, we need not redraw anything on
1593 its account. Rows and columns are glyph matrix positions in
1594 MOUSE_FACE_WINDOW. */
1595 int mouse_face_beg_row
, mouse_face_beg_col
;
1596 int mouse_face_beg_x
, mouse_face_beg_y
;
1597 int mouse_face_end_row
, mouse_face_end_col
;
1598 int mouse_face_end_x
, mouse_face_end_y
;
1599 int mouse_face_past_end
;
1600 Lisp_Object mouse_face_window
;
1601 int mouse_face_face_id
;
1602 Lisp_Object mouse_face_overlay
;
1604 /* 1 if a mouse motion event came and we didn't handle it right away because
1605 gc was in progress. */
1606 int mouse_face_deferred_gc
;
1608 /* FRAME and X, Y position of mouse when last checked for
1609 highlighting. X and Y can be negative or out of range for the frame. */
1610 struct frame
*mouse_face_mouse_frame
;
1611 int mouse_face_mouse_x
, mouse_face_mouse_y
;
1613 /* Nonzero means defer mouse-motion highlighting. */
1614 int mouse_face_defer
;
1616 /* Nonzero means that the mouse highlight should not be shown. */
1617 int mouse_face_hidden
;
1619 int mouse_face_image_state
;
1622 /* Data type checking */
1624 #define NILP(x) EQ (x, Qnil)
1626 #define NUMBERP(x) (INTEGERP (x) || FLOATP (x))
1627 #define NATNUMP(x) (INTEGERP (x) && XINT (x) >= 0)
1629 #define INTEGERP(x) (LISP_INT_TAG_P (XTYPE ((x))))
1630 #define SYMBOLP(x) (XTYPE ((x)) == Lisp_Symbol)
1631 #define MISCP(x) (XTYPE ((x)) == Lisp_Misc)
1632 #define VECTORLIKEP(x) (XTYPE ((x)) == Lisp_Vectorlike)
1633 #define STRINGP(x) (XTYPE ((x)) == Lisp_String)
1634 #define CONSP(x) (XTYPE ((x)) == Lisp_Cons)
1636 #define FLOATP(x) (XTYPE ((x)) == Lisp_Float)
1637 #define VECTORP(x) (VECTORLIKEP (x) && !(XVECTOR (x)->size & PSEUDOVECTOR_FLAG))
1638 #define OVERLAYP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Overlay)
1639 #define MARKERP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Marker)
1640 #define SAVE_VALUEP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Save_Value)
1642 #define INTFWDP(x) (XFWDTYPE (x) == Lisp_Fwd_Int)
1643 #define BOOLFWDP(x) (XFWDTYPE (x) == Lisp_Fwd_Bool)
1644 #define OBJFWDP(x) (XFWDTYPE (x) == Lisp_Fwd_Obj)
1645 #define BUFFER_OBJFWDP(x) (XFWDTYPE (x) == Lisp_Fwd_Buffer_Obj)
1646 #define KBOARD_OBJFWDP(x) (XFWDTYPE (x) == Lisp_Fwd_Kboard_Obj)
1648 /* True if object X is a pseudovector whose code is CODE. */
1649 #define PSEUDOVECTORP(x, code) \
1651 && (((XVECTOR (x)->size & (PSEUDOVECTOR_FLAG | (code)))) \
1652 == (PSEUDOVECTOR_FLAG | (code))))
1654 /* Test for specific pseudovector types. */
1655 #define WINDOW_CONFIGURATIONP(x) PSEUDOVECTORP (x, PVEC_WINDOW_CONFIGURATION)
1656 #define PROCESSP(x) PSEUDOVECTORP (x, PVEC_PROCESS)
1657 #define WINDOWP(x) PSEUDOVECTORP (x, PVEC_WINDOW)
1658 #define TERMINALP(x) PSEUDOVECTORP (x, PVEC_TERMINAL)
1659 #define SUBRP(x) PSEUDOVECTORP (x, PVEC_SUBR)
1660 #define FUNVECP(x) PSEUDOVECTORP (x, PVEC_FUNVEC)
1661 #define BUFFERP(x) PSEUDOVECTORP (x, PVEC_BUFFER)
1662 #define CHAR_TABLE_P(x) PSEUDOVECTORP (x, PVEC_CHAR_TABLE)
1663 #define SUB_CHAR_TABLE_P(x) PSEUDOVECTORP (x, PVEC_SUB_CHAR_TABLE)
1664 #define BOOL_VECTOR_P(x) PSEUDOVECTORP (x, PVEC_BOOL_VECTOR)
1665 #define FRAMEP(x) PSEUDOVECTORP (x, PVEC_FRAME)
1667 /* Test for image (image . spec) */
1668 #define IMAGEP(x) (CONSP (x) && EQ (XCAR (x), Qimage))
1673 (VECTORP (x) || STRINGP (x) || CHAR_TABLE_P (x) || BOOL_VECTOR_P (x))
1675 #define CHECK_LIST(x) \
1676 CHECK_TYPE (CONSP (x) || NILP (x), Qlistp, x)
1678 #define CHECK_LIST_CONS(x, y) \
1679 CHECK_TYPE (CONSP (x), Qlistp, y)
1681 #define CHECK_LIST_END(x, y) \
1682 CHECK_TYPE (NILP (x), Qlistp, y)
1684 #define CHECK_STRING(x) \
1685 CHECK_TYPE (STRINGP (x), Qstringp, x)
1687 #define CHECK_STRING_CAR(x) \
1688 CHECK_TYPE (STRINGP (XCAR (x)), Qstringp, XCAR (x))
1690 #define CHECK_CONS(x) \
1691 CHECK_TYPE (CONSP (x), Qconsp, x)
1693 #define CHECK_SYMBOL(x) \
1694 CHECK_TYPE (SYMBOLP (x), Qsymbolp, x)
1696 #define CHECK_CHAR_TABLE(x) \
1697 CHECK_TYPE (CHAR_TABLE_P (x), Qchar_table_p, x)
1699 #define CHECK_VECTOR(x) \
1700 CHECK_TYPE (VECTORP (x), Qvectorp, x)
1702 #define CHECK_VECTOR_OR_STRING(x) \
1703 CHECK_TYPE (VECTORP (x) || STRINGP (x), Qarrayp, x)
1705 #define CHECK_ARRAY(x, Qxxxp) \
1706 CHECK_TYPE (ARRAYP (x), Qxxxp, x)
1708 #define CHECK_VECTOR_OR_CHAR_TABLE(x) \
1709 CHECK_TYPE (VECTORP (x) || CHAR_TABLE_P (x), Qvector_or_char_table_p, x)
1711 #define CHECK_BUFFER(x) \
1712 CHECK_TYPE (BUFFERP (x), Qbufferp, x)
1714 #define CHECK_WINDOW(x) \
1715 CHECK_TYPE (WINDOWP (x), Qwindowp, x)
1717 #define CHECK_WINDOW_CONFIGURATION(x) \
1718 CHECK_TYPE (WINDOW_CONFIGURATIONP (x), Qwindow_configuration_p, x)
1720 /* This macro rejects windows on the interior of the window tree as
1721 "dead", which is what we want; this is an argument-checking macro, and
1722 the user should never get access to interior windows.
1724 A window of any sort, leaf or interior, is dead if the buffer,
1725 vchild, and hchild members are all nil. */
1727 #define CHECK_LIVE_WINDOW(x) \
1728 CHECK_TYPE (WINDOWP (x) && !NILP (XWINDOW (x)->buffer), Qwindow_live_p, x)
1730 #define CHECK_PROCESS(x) \
1731 CHECK_TYPE (PROCESSP (x), Qprocessp, x)
1733 #define CHECK_SUBR(x) \
1734 CHECK_TYPE (SUBRP (x), Qsubrp, x)
1736 #define CHECK_NUMBER(x) \
1737 CHECK_TYPE (INTEGERP (x), Qintegerp, x)
1739 #define CHECK_NATNUM(x) \
1740 CHECK_TYPE (NATNUMP (x), Qwholenump, x)
1742 #define CHECK_MARKER(x) \
1743 CHECK_TYPE (MARKERP (x), Qmarkerp, x)
1745 #define CHECK_NUMBER_COERCE_MARKER(x) \
1746 do { if (MARKERP ((x))) XSETFASTINT (x, marker_position (x)); \
1747 else CHECK_TYPE (INTEGERP (x), Qinteger_or_marker_p, x); } while (0)
1749 #define XFLOATINT(n) extract_float((n))
1751 #define CHECK_FLOAT(x) \
1752 CHECK_TYPE (FLOATP (x), Qfloatp, x)
1754 #define CHECK_NUMBER_OR_FLOAT(x) \
1755 CHECK_TYPE (FLOATP (x) || INTEGERP (x), Qnumberp, x)
1757 #define CHECK_NUMBER_OR_FLOAT_COERCE_MARKER(x) \
1758 do { if (MARKERP (x)) XSETFASTINT (x, marker_position (x)); \
1759 else CHECK_TYPE (INTEGERP (x) || FLOATP (x), Qnumber_or_marker_p, x); } while (0)
1761 #define CHECK_OVERLAY(x) \
1762 CHECK_TYPE (OVERLAYP (x), Qoverlayp, x)
1764 /* Since we can't assign directly to the CAR or CDR fields of a cons
1765 cell, use these when checking that those fields contain numbers. */
1766 #define CHECK_NUMBER_CAR(x) \
1768 Lisp_Object tmp = XCAR (x); \
1769 CHECK_NUMBER (tmp); \
1770 XSETCAR ((x), tmp); \
1773 #define CHECK_NUMBER_CDR(x) \
1775 Lisp_Object tmp = XCDR (x); \
1776 CHECK_NUMBER (tmp); \
1777 XSETCDR ((x), tmp); \
1780 #define CHECK_NATNUM_CAR(x) \
1782 Lisp_Object tmp = XCAR (x); \
1783 CHECK_NATNUM (tmp); \
1784 XSETCAR ((x), tmp); \
1787 #define CHECK_NATNUM_CDR(x) \
1789 Lisp_Object tmp = XCDR (x); \
1790 CHECK_NATNUM (tmp); \
1791 XSETCDR ((x), tmp); \
1794 /* Cast pointers to this type to compare them. Some machines want int. */
1795 #define PNTR_COMPARISON_TYPE EMACS_UINT
1797 /* Define a built-in function for calling from Lisp.
1798 `lname' should be the name to give the function in Lisp,
1799 as a null-terminated C string.
1800 `fnname' should be the name of the function in C.
1801 By convention, it starts with F.
1802 `sname' should be the name for the C constant structure
1803 that records information on this function for internal use.
1804 By convention, it should be the same as `fnname' but with S instead of F.
1805 It's too bad that C macros can't compute this from `fnname'.
1806 `minargs' should be a number, the minimum number of arguments allowed.
1807 `maxargs' should be a number, the maximum number of arguments allowed,
1808 or else MANY or UNEVALLED.
1809 MANY means pass a vector of evaluated arguments,
1810 in the form of an integer number-of-arguments
1811 followed by the address of a vector of Lisp_Objects
1812 which contains the argument values.
1813 UNEVALLED means pass the list of unevaluated arguments
1814 `intspec' says how interactive arguments are to be fetched.
1815 If the string starts with a `(', `intspec' is evaluated and the resulting
1816 list is the list of arguments.
1817 If it's a string that doesn't start with `(', the value should follow
1818 the one of the doc string for `interactive'.
1819 A null string means call interactively with no arguments.
1820 `doc' is documentation for the user. */
1822 /* This version of DEFUN declares a function prototype with the right
1823 arguments, so we can catch errors with maxargs at compile-time. */
1824 #define DEFUN(lname, fnname, sname, minargs, maxargs, intspec, doc) \
1825 Lisp_Object fnname DEFUN_ARGS_ ## maxargs ; \
1826 DECL_ALIGN (struct Lisp_Subr, sname) = \
1827 { PVEC_SUBR | (sizeof (struct Lisp_Subr) / sizeof (EMACS_INT)), \
1828 { .a ## maxargs = fnname }, \
1829 minargs, maxargs, lname, intspec, 0}; \
1832 /* Note that the weird token-substitution semantics of ANSI C makes
1833 this work for MANY and UNEVALLED. */
1834 #define DEFUN_ARGS_MANY (int, Lisp_Object *)
1835 #define DEFUN_ARGS_UNEVALLED (Lisp_Object)
1836 #define DEFUN_ARGS_0 (void)
1837 #define DEFUN_ARGS_1 (Lisp_Object)
1838 #define DEFUN_ARGS_2 (Lisp_Object, Lisp_Object)
1839 #define DEFUN_ARGS_3 (Lisp_Object, Lisp_Object, Lisp_Object)
1840 #define DEFUN_ARGS_4 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object)
1841 #define DEFUN_ARGS_5 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, \
1843 #define DEFUN_ARGS_6 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, \
1844 Lisp_Object, Lisp_Object)
1845 #define DEFUN_ARGS_7 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, \
1846 Lisp_Object, Lisp_Object, Lisp_Object)
1847 #define DEFUN_ARGS_8 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, \
1848 Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object)
1850 /* Non-zero if OBJ is a Lisp function. */
1851 #define FUNCTIONP(OBJ) \
1852 ((CONSP (OBJ) && EQ (XCAR (OBJ), Qlambda)) \
1853 || (SYMBOLP (OBJ) && !NILP (Ffboundp (OBJ))) \
1858 is how we define the symbol for function `name' at start-up time. */
1859 extern void defsubr (struct Lisp_Subr
*);
1862 #define UNEVALLED -1
1864 extern void defvar_lisp (struct Lisp_Objfwd
*, const char *, Lisp_Object
*);
1865 extern void defvar_lisp_nopro (struct Lisp_Objfwd
*, const char *, Lisp_Object
*);
1866 extern void defvar_bool (struct Lisp_Boolfwd
*, const char *, int *);
1867 extern void defvar_int (struct Lisp_Intfwd
*, const char *, EMACS_INT
*);
1868 extern void defvar_kboard (struct Lisp_Kboard_Objfwd
*, const char *, int);
1870 /* Macros we use to define forwarded Lisp variables.
1871 These are used in the syms_of_FILENAME functions.
1873 An ordinary (not in buffer_defaults, per-buffer, or per-keyboard)
1874 lisp variable is actually a field in `struct emacs_globals'. The
1875 field's name begins with "f_", which is a convention enforced by
1876 these macros. Each such global has a corresponding #define in
1877 globals.h; the plain name should be used in the code.
1879 E.g., the global "cons_cells_consed" is declared as "int
1880 f_cons_cells_consed" in globals.h, but there is a define:
1882 #define cons_cells_consed globals.f_cons_cells_consed
1884 All C code uses the `cons_cells_consed' name. This is all done
1885 this way to support indirection for multi-threaded Emacs. */
1887 #define DEFVAR_LISP(lname, vname, doc) \
1889 static struct Lisp_Objfwd o_fwd; \
1890 defvar_lisp (&o_fwd, lname, &globals.f_ ## vname); \
1892 #define DEFVAR_LISP_NOPRO(lname, vname, doc) \
1894 static struct Lisp_Objfwd o_fwd; \
1895 defvar_lisp_nopro (&o_fwd, lname, &globals.f_ ## vname); \
1897 #define DEFVAR_BOOL(lname, vname, doc) \
1899 static struct Lisp_Boolfwd b_fwd; \
1900 defvar_bool (&b_fwd, lname, &globals.f_ ## vname); \
1902 #define DEFVAR_INT(lname, vname, doc) \
1904 static struct Lisp_Intfwd i_fwd; \
1905 defvar_int (&i_fwd, lname, &globals.f_ ## vname); \
1908 #define DEFVAR_BUFFER_DEFAULTS(lname, vname, doc) \
1910 static struct Lisp_Objfwd o_fwd; \
1911 defvar_lisp_nopro (&o_fwd, lname, &buffer_defaults.vname); \
1914 #define DEFVAR_KBOARD(lname, vname, doc) \
1916 static struct Lisp_Kboard_Objfwd ko_fwd; \
1917 defvar_kboard (&ko_fwd, \
1919 (int)((char *)(¤t_kboard->vname) \
1920 - (char *)current_kboard)); \
1925 /* Structure for recording Lisp call stack for backtrace purposes. */
1927 /* The special binding stack holds the outer values of variables while
1928 they are bound by a function application or a let form, stores the
1929 code to be executed for Lisp unwind-protect forms, and stores the C
1930 functions to be called for record_unwind_protect.
1932 If func is non-zero, undoing this binding applies func to old_value;
1933 This implements record_unwind_protect.
1935 Otherwise, the element is a variable binding.
1937 If the symbol field is a symbol, it is an ordinary variable binding.
1939 Otherwise, it should be a structure (SYMBOL WHERE . CURRENT-BUFFER),
1940 which means having bound a local value while CURRENT-BUFFER was active.
1941 If WHERE is nil this means we saw the default value when binding SYMBOL.
1942 WHERE being a buffer or frame means we saw a buffer-local or frame-local
1943 value. Other values of WHERE mean an internal error. */
1945 typedef Lisp_Object (*specbinding_func
) (Lisp_Object
);
1949 Lisp_Object symbol
, old_value
;
1950 specbinding_func func
;
1951 Lisp_Object unused
; /* Dividing by 16 is faster than by 12 */
1954 extern struct specbinding
*specpdl
;
1955 extern struct specbinding
*specpdl_ptr
;
1956 extern EMACS_INT specpdl_size
;
1958 #define SPECPDL_INDEX() ((int) (specpdl_ptr - specpdl))
1960 /* Everything needed to describe an active condition case. */
1963 /* The handler clauses and variable from the condition-case form. */
1964 /* For a handler set up in Lisp code, this is always a list.
1965 For an internal handler set up by internal_condition_case*,
1966 this can instead be the symbol t or `error'.
1967 t: handle all conditions.
1968 error: handle all conditions, and errors can run the debugger
1969 or display a backtrace. */
1970 Lisp_Object handler
;
1972 /* Fsignal stores here the condition-case clause that applies,
1973 and Fcondition_case thus knows which clause to run. */
1974 Lisp_Object chosen_clause
;
1976 /* Used to effect the longjump out to the handler. */
1977 struct catchtag
*tag
;
1979 /* The next enclosing handler. */
1980 struct handler
*next
;
1983 extern struct handler
*handlerlist
;
1985 /* This structure helps implement the `catch' and `throw' control
1986 structure. A struct catchtag contains all the information needed
1987 to restore the state of the interpreter after a non-local jump.
1989 Handlers for error conditions (represented by `struct handler'
1990 structures) just point to a catch tag to do the cleanup required
1993 catchtag structures are chained together in the C calling stack;
1994 the `next' member points to the next outer catchtag.
1996 A call like (throw TAG VAL) searches for a catchtag whose `tag'
1997 member is TAG, and then unbinds to it. The `val' member is used to
1998 hold VAL while the stack is unwound; `val' is returned as the value
2001 All the other members are concerned with restoring the interpreter
2008 struct catchtag
*next
;
2009 struct gcpro
*gcpro
;
2011 struct backtrace
*backlist
;
2012 struct handler
*handlerlist
;
2013 int lisp_eval_depth
;
2015 int poll_suppress_count
;
2016 int interrupt_input_blocked
;
2017 struct byte_stack
*byte_stack
;
2020 extern struct catchtag
*catchlist
;
2021 extern struct backtrace
*backtrace_list
;
2023 extern Lisp_Object memory_signal_data
;
2025 /* An address near the bottom of the stack.
2026 Tells GC how to save a copy of the stack. */
2027 extern char *stack_bottom
;
2029 /* Check quit-flag and quit if it is non-nil.
2030 Typing C-g does not directly cause a quit; it only sets Vquit_flag.
2031 So the program needs to do QUIT at times when it is safe to quit.
2032 Every loop that might run for a long time or might not exit
2033 ought to do QUIT at least once, at a safe place.
2034 Unless that is impossible, of course.
2035 But it is very desirable to avoid creating loops where QUIT is impossible.
2037 Exception: if you set immediate_quit to nonzero,
2038 then the handler that responds to the C-g does the quit itself.
2039 This is a good thing to do around a loop that has no side effects
2040 and (in particular) cannot call arbitrary Lisp code. */
2043 extern void process_pending_signals (void);
2044 extern int pending_signals
;
2045 #define ELSE_PENDING_SIGNALS \
2046 else if (pending_signals) \
2047 process_pending_signals ();
2048 #else /* not SYNC_INPUT */
2049 #define ELSE_PENDING_SIGNALS
2050 #endif /* not SYNC_INPUT */
2054 if (!NILP (Vquit_flag) && NILP (Vinhibit_quit)) \
2056 Lisp_Object flag = Vquit_flag; \
2057 Vquit_flag = Qnil; \
2058 if (EQ (Vthrow_on_input, flag)) \
2059 Fthrow (Vthrow_on_input, Qt); \
2060 Fsignal (Qquit, Qnil); \
2062 ELSE_PENDING_SIGNALS \
2066 /* Nonzero if ought to quit now. */
2068 #define QUITP (!NILP (Vquit_flag) && NILP (Vinhibit_quit))
2070 /* Variables used locally in the following case handling macros. */
2071 extern int case_temp1
;
2072 extern Lisp_Object case_temp2
;
2074 /* Current buffer's map from characters to lower-case characters. */
2076 #define DOWNCASE_TABLE current_buffer->downcase_table
2078 /* Current buffer's map from characters to upper-case characters. */
2080 #define UPCASE_TABLE current_buffer->upcase_table
2082 /* Downcase a character, or make no change if that cannot be done. */
2084 #define DOWNCASE(CH) \
2085 ((case_temp1 = (CH), \
2086 case_temp2 = CHAR_TABLE_REF (DOWNCASE_TABLE, case_temp1), \
2087 NATNUMP (case_temp2)) \
2088 ? XFASTINT (case_temp2) : case_temp1)
2090 /* 1 if CH is upper case. */
2092 #define UPPERCASEP(CH) (DOWNCASE (CH) != (CH))
2094 /* 1 if CH is neither upper nor lower case. */
2096 #define NOCASEP(CH) (UPCASE1 (CH) == (CH))
2098 /* 1 if CH is lower case. */
2100 #define LOWERCASEP(CH) (!UPPERCASEP (CH) && !NOCASEP(CH))
2102 /* Upcase a character, or make no change if that cannot be done. */
2104 #define UPCASE(CH) (!UPPERCASEP (CH) ? UPCASE1 (CH) : (CH))
2106 /* Upcase a character known to be not upper case. */
2108 #define UPCASE1(CH) \
2109 ((case_temp1 = (CH), \
2110 case_temp2 = CHAR_TABLE_REF (UPCASE_TABLE, case_temp1), \
2111 NATNUMP (case_temp2)) \
2112 ? XFASTINT (case_temp2) : case_temp1)
2114 extern Lisp_Object Vascii_downcase_table
, Vascii_upcase_table
;
2115 extern Lisp_Object Vascii_canon_table
, Vascii_eqv_table
;
2117 /* Number of bytes of structure consed since last GC. */
2119 extern int consing_since_gc
;
2121 extern EMACS_INT gc_relative_threshold
;
2123 extern EMACS_INT memory_full_cons_threshold
;
2125 /* Structure for recording stack slots that need marking. */
2127 /* This is a chain of structures, each of which points at a Lisp_Object
2128 variable whose value should be marked in garbage collection.
2129 Normally every link of the chain is an automatic variable of a function,
2130 and its `val' points to some argument or local variable of the function.
2131 On exit to the function, the chain is set back to the value it had on entry.
2132 This way, no link remains in the chain when the stack frame containing the
2135 Every function that can call Feval must protect in this fashion all
2136 Lisp_Object variables whose contents will be used again. */
2138 extern struct gcpro
*gcprolist
;
2144 /* Address of first protected variable. */
2145 volatile Lisp_Object
*var
;
2147 /* Number of consecutive protected variables. */
2155 /* Values of GC_MARK_STACK during compilation:
2157 0 Use GCPRO as before
2158 1 Do the real thing, make GCPROs and UNGCPRO no-ops.
2159 2 Mark the stack, and check that everything GCPRO'd is
2161 3 Mark using GCPRO's, mark stack last, and count how many
2162 dead objects are kept alive. */
2165 #define GC_USE_GCPROS_AS_BEFORE 0
2166 #define GC_MAKE_GCPROS_NOOPS 1
2167 #define GC_MARK_STACK_CHECK_GCPROS 2
2168 #define GC_USE_GCPROS_CHECK_ZOMBIES 3
2170 #ifndef GC_MARK_STACK
2171 #define GC_MARK_STACK GC_USE_GCPROS_AS_BEFORE
2174 #if GC_MARK_STACK == GC_MAKE_GCPROS_NOOPS
2176 /* Do something silly with gcproN vars just so gcc shuts up. */
2177 /* You get warnings from MIPSPro... */
2179 #define GCPRO1(varname) ((void) gcpro1)
2180 #define GCPRO2(varname1, varname2)(((void) gcpro2, (void) gcpro1))
2181 #define GCPRO3(varname1, varname2, varname3) \
2182 (((void) gcpro3, (void) gcpro2, (void) gcpro1))
2183 #define GCPRO4(varname1, varname2, varname3, varname4) \
2184 (((void) gcpro4, (void) gcpro3, (void) gcpro2, (void) gcpro1))
2185 #define GCPRO5(varname1, varname2, varname3, varname4, varname5) \
2186 (((void) gcpro5, (void) gcpro4, (void) gcpro3, (void) gcpro2, (void) gcpro1))
2187 #define GCPRO6(varname1, varname2, varname3, varname4, varname5, varname6) \
2188 (((void) gcpro6, (void) gcpro5, (void) gcpro4, (void) gcpro3, (void) gcpro2, (void) gcpro1))
2189 #define UNGCPRO ((void) 0)
2191 #else /* GC_MARK_STACK != GC_MAKE_GCPROS_NOOPS */
2195 #define GCPRO1(varname) \
2196 {gcpro1.next = gcprolist; gcpro1.var = &varname; gcpro1.nvars = 1; \
2197 gcprolist = &gcpro1; }
2199 #define GCPRO2(varname1, varname2) \
2200 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
2201 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
2202 gcprolist = &gcpro2; }
2204 #define GCPRO3(varname1, varname2, varname3) \
2205 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
2206 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
2207 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
2208 gcprolist = &gcpro3; }
2210 #define GCPRO4(varname1, varname2, varname3, varname4) \
2211 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
2212 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
2213 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
2214 gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \
2215 gcprolist = &gcpro4; }
2217 #define GCPRO5(varname1, varname2, varname3, varname4, varname5) \
2218 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
2219 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
2220 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
2221 gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \
2222 gcpro5.next = &gcpro4; gcpro5.var = &varname5; gcpro5.nvars = 1; \
2223 gcprolist = &gcpro5; }
2225 #define GCPRO6(varname1, varname2, varname3, varname4, varname5, varname6) \
2226 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
2227 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
2228 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
2229 gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \
2230 gcpro5.next = &gcpro4; gcpro5.var = &varname5; gcpro5.nvars = 1; \
2231 gcpro6.next = &gcpro5; gcpro6.var = &varname6; gcpro6.nvars = 1; \
2232 gcprolist = &gcpro6; }
2234 #define UNGCPRO (gcprolist = gcpro1.next)
2238 extern int gcpro_level
;
2240 #define GCPRO1(varname) \
2241 {gcpro1.next = gcprolist; gcpro1.var = &varname; gcpro1.nvars = 1; \
2242 gcpro1.level = gcpro_level++; \
2243 gcprolist = &gcpro1; }
2245 #define GCPRO2(varname1, varname2) \
2246 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
2247 gcpro1.level = gcpro_level; \
2248 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
2249 gcpro2.level = gcpro_level++; \
2250 gcprolist = &gcpro2; }
2252 #define GCPRO3(varname1, varname2, varname3) \
2253 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
2254 gcpro1.level = gcpro_level; \
2255 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
2256 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
2257 gcpro3.level = gcpro_level++; \
2258 gcprolist = &gcpro3; }
2260 #define GCPRO4(varname1, varname2, varname3, varname4) \
2261 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
2262 gcpro1.level = gcpro_level; \
2263 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
2264 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
2265 gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \
2266 gcpro4.level = gcpro_level++; \
2267 gcprolist = &gcpro4; }
2269 #define GCPRO5(varname1, varname2, varname3, varname4, varname5) \
2270 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
2271 gcpro1.level = gcpro_level; \
2272 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
2273 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
2274 gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \
2275 gcpro5.next = &gcpro4; gcpro5.var = &varname5; gcpro5.nvars = 1; \
2276 gcpro5.level = gcpro_level++; \
2277 gcprolist = &gcpro5; }
2279 #define GCPRO6(varname1, varname2, varname3, varname4, varname5, varname6) \
2280 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
2281 gcpro1.level = gcpro_level; \
2282 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
2283 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
2284 gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \
2285 gcpro5.next = &gcpro4; gcpro5.var = &varname5; gcpro5.nvars = 1; \
2286 gcpro6.next = &gcpro5; gcpro6.var = &varname6; gcpro6.nvars = 1; \
2287 gcpro6.level = gcpro_level++; \
2288 gcprolist = &gcpro6; }
2291 ((--gcpro_level != gcpro1.level) \
2293 : ((gcprolist = gcpro1.next), 0))
2295 #endif /* DEBUG_GCPRO */
2296 #endif /* GC_MARK_STACK != GC_MAKE_GCPROS_NOOPS */
2299 /* Evaluate expr, UNGCPRO, and then return the value of expr. */
2300 #define RETURN_UNGCPRO(expr) \
2303 Lisp_Object ret_ungc_val; \
2304 ret_ungc_val = (expr); \
2306 return ret_ungc_val; \
2310 /* Call staticpro (&var) to protect static variable `var'. */
2312 void staticpro (Lisp_Object
*);
2314 /* Declare a Lisp-callable function. The MAXARGS parameter has the same
2315 meaning as in the DEFUN macro, and is used to construct a prototype. */
2316 /* We can use the same trick as in the DEFUN macro to generate the
2317 appropriate prototype. */
2318 #define EXFUN(fnname, maxargs) \
2319 extern Lisp_Object fnname DEFUN_ARGS_ ## maxargs
2321 /* Forward declarations for prototypes. */
2325 /* Defined in data.c */
2326 extern Lisp_Object Qnil
, Qt
, Qquote
, Qlambda
, Qsubr
, Qunbound
;
2327 extern Lisp_Object Qerror_conditions
, Qerror_message
, Qtop_level
;
2328 extern Lisp_Object Qerror
, Qquit
, Qwrong_type_argument
, Qargs_out_of_range
;
2329 extern Lisp_Object Qvoid_variable
, Qvoid_function
;
2330 extern Lisp_Object Qsetting_constant
, Qinvalid_read_syntax
;
2331 extern Lisp_Object Qinvalid_function
, Qwrong_number_of_arguments
, Qno_catch
;
2332 extern Lisp_Object Qend_of_file
, Qarith_error
, Qmark_inactive
;
2333 extern Lisp_Object Qbeginning_of_buffer
, Qend_of_buffer
, Qbuffer_read_only
;
2334 extern Lisp_Object Qtext_read_only
;
2335 extern Lisp_Object Qinteractive_form
;
2336 extern Lisp_Object Qcircular_list
;
2337 extern Lisp_Object Qintegerp
, Qnatnump
, Qwholenump
, Qsymbolp
, Qlistp
, Qconsp
;
2338 extern Lisp_Object Qstringp
, Qarrayp
, Qsequencep
, Qbufferp
;
2339 extern Lisp_Object Qchar_or_string_p
, Qmarkerp
, Qinteger_or_marker_p
, Qvectorp
;
2340 extern Lisp_Object Qbuffer_or_string_p
;
2341 extern Lisp_Object Qboundp
, Qfboundp
;
2342 extern Lisp_Object Qchar_table_p
, Qvector_or_char_table_p
;
2344 extern Lisp_Object Qcdr
;
2346 extern Lisp_Object Qrange_error
, Qdomain_error
, Qsingularity_error
;
2347 extern Lisp_Object Qoverflow_error
, Qunderflow_error
;
2349 extern Lisp_Object Qfloatp
;
2350 extern Lisp_Object Qnumberp
, Qnumber_or_marker_p
;
2352 extern Lisp_Object Qinteger
;
2354 extern Lisp_Object Qfont_spec
, Qfont_entity
, Qfont_object
;
2356 extern void circular_list_error (Lisp_Object
) NO_RETURN
;
2357 EXFUN (Finteractive_form
, 1);
2358 EXFUN (Fbyteorder
, 0);
2360 /* Defined in frame.c */
2361 extern Lisp_Object Qframep
;
2363 /* Defined in data.c */
2365 EXFUN (Fcar_safe
, 1);
2367 EXFUN (Fcdr_safe
, 1);
2371 EXFUN (Ffboundp
, 1);
2372 EXFUN (Fsymbol_function
, 1);
2373 EXFUN (Fsymbol_name
, 1);
2374 extern Lisp_Object
indirect_function (Lisp_Object
);
2375 EXFUN (Findirect_function
, 2);
2377 EXFUN (Fsymbol_value
, 1);
2378 extern Lisp_Object
find_symbol_value (Lisp_Object
);
2380 EXFUN (Fdefault_value
, 1);
2381 EXFUN (Fset_default
, 2);
2382 EXFUN (Fdefault_boundp
, 1);
2383 EXFUN (Fmake_local_variable
, 1);
2384 EXFUN (Flocal_variable_p
, 2);
2389 EXFUN (Fstring_to_number
, 2);
2390 EXFUN (Fnumber_to_string
, 1);
2396 EXFUN (Fplus
, MANY
);
2397 EXFUN (Fminus
, MANY
);
2398 EXFUN (Ftimes
, MANY
);
2406 EXFUN (Fmake_variable_buffer_local
, 1);
2408 extern struct Lisp_Symbol
*indirect_variable (struct Lisp_Symbol
*);
2409 extern Lisp_Object
long_to_cons (unsigned long);
2410 extern unsigned long cons_to_long (Lisp_Object
);
2411 extern void args_out_of_range (Lisp_Object
, Lisp_Object
) NO_RETURN
;
2412 extern void args_out_of_range_3 (Lisp_Object
, Lisp_Object
,
2413 Lisp_Object
) NO_RETURN
;
2414 extern Lisp_Object
wrong_type_argument (Lisp_Object
, Lisp_Object
) NO_RETURN
;
2415 extern Lisp_Object
do_symval_forwarding (union Lisp_Fwd
*);
2416 extern void set_internal (Lisp_Object
, Lisp_Object
, Lisp_Object
, int);
2417 extern void syms_of_data (void);
2418 extern void init_data (void);
2419 extern void swap_in_global_binding (struct Lisp_Symbol
*);
2421 /* Defined in cmds.c */
2422 EXFUN (Fend_of_line
, 1);
2423 EXFUN (Fforward_char
, 1);
2424 EXFUN (Fforward_line
, 1);
2425 extern void syms_of_cmds (void);
2426 extern void keys_of_cmds (void);
2428 /* Defined in coding.c */
2429 extern Lisp_Object Qcharset
;
2430 EXFUN (Fcoding_system_p
, 1);
2431 EXFUN (Fcoding_system_base
, 1);
2432 EXFUN (Fcoding_system_eol_type
, 1);
2433 EXFUN (Fcheck_coding_system
, 1);
2434 EXFUN (Fread_coding_system
, 2);
2435 EXFUN (Fread_non_nil_coding_system
, 1);
2436 EXFUN (Ffind_operation_coding_system
, MANY
);
2437 EXFUN (Fdecode_coding_string
, 4);
2438 extern Lisp_Object
detect_coding_system (const unsigned char *, EMACS_INT
,
2439 EMACS_INT
, int, int, Lisp_Object
);
2440 extern void init_coding (void);
2441 extern void init_coding_once (void);
2442 extern void syms_of_coding (void);
2444 /* Defined in character.c */
2445 EXFUN (Funibyte_char_to_multibyte
, 1);
2446 EXFUN (Fchar_width
, 1);
2447 EXFUN (Fstring
, MANY
);
2448 extern EMACS_INT
chars_in_text (const unsigned char *, EMACS_INT
);
2449 extern EMACS_INT
multibyte_chars_in_text (const unsigned char *, EMACS_INT
);
2450 extern int multibyte_char_to_unibyte (int, Lisp_Object
);
2451 extern int multibyte_char_to_unibyte_safe (int);
2452 extern void init_character_once (void);
2453 extern void syms_of_character (void);
2455 /* Defined in charset.c */
2456 extern void init_charset (void);
2457 extern void init_charset_once (void);
2458 extern void syms_of_charset (void);
2459 /* Structure forward declarations. */
2462 /* Defined in composite.c */
2463 extern void syms_of_composite (void);
2465 /* Defined in syntax.c */
2466 EXFUN (Fforward_word
, 1);
2467 EXFUN (Fskip_chars_forward
, 2);
2468 EXFUN (Fskip_chars_backward
, 2);
2469 EXFUN (Fsyntax_table_p
, 1);
2470 extern void init_syntax_once (void);
2471 extern void syms_of_syntax (void);
2473 /* Defined in fns.c */
2474 extern Lisp_Object QCrehash_size
, QCrehash_threshold
;
2475 extern int next_almost_prime (int);
2476 extern Lisp_Object
larger_vector (Lisp_Object
, int, Lisp_Object
);
2477 extern void sweep_weak_hash_tables (void);
2478 extern Lisp_Object Qcursor_in_echo_area
;
2479 extern Lisp_Object Qstring_lessp
;
2480 extern Lisp_Object QCsize
, QCtest
, QCweakness
, Qequal
, Qeq
, Qeql
;
2481 unsigned sxhash (Lisp_Object
, int);
2482 Lisp_Object
make_hash_table (Lisp_Object
, Lisp_Object
, Lisp_Object
,
2483 Lisp_Object
, Lisp_Object
, Lisp_Object
,
2485 int hash_lookup (struct Lisp_Hash_Table
*, Lisp_Object
, unsigned *);
2486 int hash_put (struct Lisp_Hash_Table
*, Lisp_Object
, Lisp_Object
,
2488 void init_weak_hash_tables (void);
2489 extern void init_fns (void);
2490 EXFUN (Fmake_hash_table
, MANY
);
2491 EXFUN (Fgethash
, 3);
2492 EXFUN (Fputhash
, 3);
2493 EXFUN (Fremhash
, 2);
2495 EXFUN (Fidentity
, 1);
2497 EXFUN (Fappend
, MANY
);
2498 EXFUN (Fconcat
, MANY
);
2499 EXFUN (Fvconcat
, MANY
);
2500 EXFUN (Fcopy_sequence
, 1);
2501 EXFUN (Fstring_make_multibyte
, 1);
2502 EXFUN (Fstring_make_unibyte
, 1);
2503 EXFUN (Fstring_as_multibyte
, 1);
2504 EXFUN (Fstring_as_unibyte
, 1);
2505 EXFUN (Fstring_to_multibyte
, 1);
2506 EXFUN (Fsubstring
, 3);
2507 extern Lisp_Object
substring_both (Lisp_Object
, EMACS_INT
, EMACS_INT
,
2508 EMACS_INT
, EMACS_INT
);
2520 EXFUN (Freverse
, 1);
2521 EXFUN (Fnreverse
, 1);
2525 EXFUN (Fnconc
, MANY
);
2527 EXFUN (Fmapconcat
, 3);
2528 extern Lisp_Object
do_yes_or_no_p (Lisp_Object
);
2529 EXFUN (Fprovide
, 2);
2530 extern Lisp_Object
concat2 (Lisp_Object
, Lisp_Object
);
2531 extern Lisp_Object
concat3 (Lisp_Object
, Lisp_Object
, Lisp_Object
);
2532 extern Lisp_Object
nconc2 (Lisp_Object
, Lisp_Object
);
2533 extern Lisp_Object
assq_no_quit (Lisp_Object
, Lisp_Object
);
2534 extern Lisp_Object
assoc_no_quit (Lisp_Object
, Lisp_Object
);
2535 extern void clear_string_char_byte_cache (void);
2536 extern EMACS_INT
string_char_to_byte (Lisp_Object
, EMACS_INT
);
2537 extern EMACS_INT
string_byte_to_char (Lisp_Object
, EMACS_INT
);
2538 extern Lisp_Object
string_to_multibyte (Lisp_Object
);
2539 extern Lisp_Object
string_make_unibyte (Lisp_Object
);
2540 EXFUN (Fcopy_alist
, 1);
2541 EXFUN (Fplist_get
, 2);
2542 EXFUN (Fplist_put
, 3);
2543 EXFUN (Fplist_member
, 2);
2545 EXFUN (Fstring_equal
, 2);
2546 EXFUN (Fcompare_strings
, 7);
2547 EXFUN (Fstring_lessp
, 2);
2548 extern void syms_of_fns (void);
2550 /* Defined in floatfns.c */
2551 extern double extract_float (Lisp_Object
);
2553 EXFUN (Ftruncate
, 2);
2554 extern void init_floatfns (void);
2555 extern void syms_of_floatfns (void);
2556 extern Lisp_Object
fmod_float (Lisp_Object x
, Lisp_Object y
);
2558 /* Defined in fringe.c */
2559 extern void syms_of_fringe (void);
2560 extern void init_fringe (void);
2561 extern void init_fringe_once (void);
2563 /* Defined in image.c */
2564 extern Lisp_Object QCascent
, QCmargin
, QCrelief
, Qcount
, Qextension_data
;
2565 extern Lisp_Object QCconversion
, QCcolor_symbols
, QCheuristic_mask
;
2566 extern Lisp_Object QCindex
, QCmatrix
, QCcolor_adjustment
, QCmask
;
2567 EXFUN (Finit_image_library
, 2);
2568 extern int x_bitmap_mask (struct frame
*, int);
2569 extern void syms_of_image (void);
2570 extern void init_image (void);
2572 /* Defined in insdel.c */
2573 extern Lisp_Object Qinhibit_modification_hooks
;
2574 extern void move_gap (EMACS_INT
);
2575 extern void move_gap_both (EMACS_INT
, EMACS_INT
);
2576 extern void make_gap (EMACS_INT
);
2577 extern EMACS_INT
copy_text (const unsigned char *, unsigned char *,
2578 EMACS_INT
, int, int);
2579 extern EMACS_INT
count_size_as_multibyte (const unsigned char *, EMACS_INT
);
2580 extern int count_combining_before (const unsigned char *,
2581 EMACS_INT
, EMACS_INT
, EMACS_INT
);
2582 extern int count_combining_after (const unsigned char *,
2583 EMACS_INT
, EMACS_INT
, EMACS_INT
);
2584 extern void insert (const unsigned char *, EMACS_INT
);
2585 extern void insert_and_inherit (const unsigned char *, EMACS_INT
);
2586 extern void insert_1 (const unsigned char *, EMACS_INT
, int, int, int);
2587 extern void insert_1_both (const unsigned char *, EMACS_INT
, EMACS_INT
,
2589 extern void insert_from_gap (EMACS_INT
, EMACS_INT
);
2590 extern void insert_from_string (Lisp_Object
, EMACS_INT
, EMACS_INT
,
2591 EMACS_INT
, EMACS_INT
, int);
2592 extern void insert_from_buffer (struct buffer
*, EMACS_INT
, EMACS_INT
, int);
2593 extern void insert_char (int);
2594 extern void insert_string (const char *);
2595 extern void insert_before_markers (const unsigned char *, EMACS_INT
);
2596 extern void insert_before_markers_and_inherit (const unsigned char *,
2598 extern void insert_from_string_before_markers (Lisp_Object
, EMACS_INT
,
2599 EMACS_INT
, EMACS_INT
,
2601 extern void del_range (EMACS_INT
, EMACS_INT
);
2602 extern Lisp_Object
del_range_1 (EMACS_INT
, EMACS_INT
, int, int);
2603 extern void del_range_byte (EMACS_INT
, EMACS_INT
, int);
2604 extern void del_range_both (EMACS_INT
, EMACS_INT
, EMACS_INT
, EMACS_INT
, int);
2605 extern Lisp_Object
del_range_2 (EMACS_INT
, EMACS_INT
,
2606 EMACS_INT
, EMACS_INT
, int);
2607 extern void modify_region (struct buffer
*, EMACS_INT
, EMACS_INT
, int);
2608 extern void prepare_to_modify_buffer (EMACS_INT
, EMACS_INT
, EMACS_INT
*);
2609 extern void signal_before_change (EMACS_INT
, EMACS_INT
, EMACS_INT
*);
2610 extern void signal_after_change (EMACS_INT
, EMACS_INT
, EMACS_INT
);
2611 extern void adjust_after_replace (EMACS_INT
, EMACS_INT
, Lisp_Object
,
2612 EMACS_INT
, EMACS_INT
);
2613 extern void adjust_after_replace_noundo (EMACS_INT
, EMACS_INT
, EMACS_INT
,
2614 EMACS_INT
, EMACS_INT
, EMACS_INT
);
2615 extern void adjust_after_insert (EMACS_INT
, EMACS_INT
, EMACS_INT
,
2616 EMACS_INT
, EMACS_INT
);
2617 extern void adjust_markers_for_delete (EMACS_INT
, EMACS_INT
,
2618 EMACS_INT
, EMACS_INT
);
2619 extern void replace_range (EMACS_INT
, EMACS_INT
, Lisp_Object
, int, int, int);
2620 extern void replace_range_2 (EMACS_INT
, EMACS_INT
, EMACS_INT
, EMACS_INT
,
2621 const char *, EMACS_INT
, EMACS_INT
, int);
2622 extern void syms_of_insdel (void);
2624 /* Defined in dispnew.c */
2625 extern Lisp_Object selected_frame
;
2627 EXFUN (Fredraw_frame
, 1);
2628 EXFUN (Fsleep_for
, 2);
2629 EXFUN (Fredisplay
, 1);
2630 extern Lisp_Object
sit_for (Lisp_Object
, int, int);
2631 extern void init_display (void);
2632 extern void syms_of_display (void);
2634 /* Defined in xdisp.c */
2635 extern Lisp_Object Qinhibit_point_motion_hooks
;
2636 extern Lisp_Object Qinhibit_redisplay
, Qdisplay
;
2637 extern Lisp_Object Qinhibit_eval_during_redisplay
;
2638 extern Lisp_Object Qmessage_truncate_lines
;
2639 extern Lisp_Object Qmenu_bar_update_hook
;
2640 extern Lisp_Object Qwindow_scroll_functions
;
2641 extern Lisp_Object Qoverriding_local_map
, Qoverriding_terminal_local_map
;
2642 extern Lisp_Object Qimage
, Qtext
, Qboth
, Qboth_horiz
, Qtext_image_horiz
;
2643 extern Lisp_Object Qspace
, Qcenter
, QCalign_to
;
2644 extern Lisp_Object Qbar
, Qhbar
, Qbox
, Qhollow
;
2645 extern Lisp_Object Qleft_margin
, Qright_margin
;
2646 extern Lisp_Object Qglyphless_char
;
2647 extern Lisp_Object QCdata
, QCfile
;
2648 extern Lisp_Object QCmap
;
2649 extern Lisp_Object Qrisky_local_variable
;
2650 extern struct frame
*last_glyphless_glyph_frame
;
2651 extern unsigned last_glyphless_glyph_face_id
;
2652 extern int last_glyphless_glyph_merged_face_id
;
2653 extern int message_enable_multibyte
;
2654 extern int noninteractive_need_newline
;
2655 extern Lisp_Object echo_area_buffer
[2];
2656 extern void add_to_log (const char *, Lisp_Object
, Lisp_Object
);
2657 extern void check_message_stack (void);
2658 extern void setup_echo_area_for_printing (int);
2659 extern int push_message (void);
2660 extern Lisp_Object
pop_message_unwind (Lisp_Object
);
2661 extern Lisp_Object
restore_message_unwind (Lisp_Object
);
2662 extern void pop_message (void);
2663 extern void restore_message (void);
2664 extern Lisp_Object
current_message (void);
2665 extern void set_message (const char *s
, Lisp_Object
, EMACS_INT
, int);
2666 extern void clear_message (int, int);
2667 extern void message (const char *, ...);
2668 extern void message_nolog (const char *, ...);
2669 extern void message1 (const char *);
2670 extern void message1_nolog (const char *);
2671 extern void message2 (const char *, EMACS_INT
, int);
2672 extern void message2_nolog (const char *, EMACS_INT
, int);
2673 extern void message3 (Lisp_Object
, EMACS_INT
, int);
2674 extern void message3_nolog (Lisp_Object
, EMACS_INT
, int);
2675 extern void message_dolog (const char *, EMACS_INT
, int, int);
2676 extern void message_with_string (const char *, Lisp_Object
, int);
2677 extern void message_log_maybe_newline (void);
2678 extern void update_echo_area (void);
2679 extern void truncate_echo_area (EMACS_INT
);
2680 extern void redisplay (void);
2681 extern int check_point_in_composition
2682 (struct buffer
*, EMACS_INT
, struct buffer
*, EMACS_INT
);
2683 extern void redisplay_preserve_echo_area (int);
2684 extern void prepare_menu_bars (void);
2686 void set_frame_cursor_types (struct frame
*, Lisp_Object
);
2687 extern void syms_of_xdisp (void);
2688 extern void init_xdisp (void);
2689 extern Lisp_Object
safe_eval (Lisp_Object
);
2690 extern int pos_visible_p (struct window
*, EMACS_INT
, int *,
2691 int *, int *, int *, int *, int *);
2693 /* Defined in xsettings.c */
2694 extern void syms_of_xsettings (void);
2696 /* Defined in vm-limit.c. */
2697 extern void memory_warnings (POINTER_TYPE
*, void (*warnfun
) (const char *));
2699 /* Defined in alloc.c */
2700 extern void check_pure_size (void);
2701 extern void allocate_string_data (struct Lisp_String
*, EMACS_INT
, EMACS_INT
);
2702 extern void reset_malloc_hooks (void);
2703 extern void uninterrupt_malloc (void);
2704 extern void malloc_warning (const char *);
2705 extern void memory_full (void) NO_RETURN
;
2706 extern void buffer_memory_full (void) NO_RETURN
;
2707 extern int survives_gc_p (Lisp_Object
);
2708 extern void mark_object (Lisp_Object
);
2709 extern void refill_memory_reserve (void);
2710 extern const char *pending_malloc_warning
;
2711 extern Lisp_Object
*stack_base
;
2713 extern Lisp_Object
list1 (Lisp_Object
);
2714 extern Lisp_Object
list2 (Lisp_Object
, Lisp_Object
);
2715 extern Lisp_Object
list3 (Lisp_Object
, Lisp_Object
, Lisp_Object
);
2716 extern Lisp_Object
list4 (Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
);
2717 extern Lisp_Object
list5 (Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
,
2719 EXFUN (Flist
, MANY
);
2720 EXFUN (Fmake_list
, 2);
2721 extern Lisp_Object
allocate_misc (void);
2722 EXFUN (Fmake_vector
, 2);
2723 EXFUN (Fvector
, MANY
);
2724 EXFUN (Ffunvec
, MANY
);
2725 EXFUN (Fmake_symbol
, 1);
2726 EXFUN (Fmake_marker
, 0);
2727 EXFUN (Fmake_string
, 2);
2728 extern Lisp_Object
build_string (const char *);
2729 extern Lisp_Object
make_string (const char *, EMACS_INT
);
2730 extern Lisp_Object
make_unibyte_string (const char *, EMACS_INT
);
2731 extern Lisp_Object
make_multibyte_string (const char *, EMACS_INT
, EMACS_INT
);
2732 extern Lisp_Object
make_event_array (int, Lisp_Object
*);
2733 extern Lisp_Object
make_uninit_string (EMACS_INT
);
2734 extern Lisp_Object
make_uninit_multibyte_string (EMACS_INT
, EMACS_INT
);
2735 extern Lisp_Object
make_string_from_bytes (const char *, EMACS_INT
, EMACS_INT
);
2736 extern Lisp_Object
make_specified_string (const char *,
2737 EMACS_INT
, EMACS_INT
, int);
2738 EXFUN (Fpurecopy
, 1);
2739 extern Lisp_Object
make_pure_string (const char *, EMACS_INT
, EMACS_INT
, int);
2740 extern Lisp_Object
make_pure_c_string (const char *data
);
2741 extern Lisp_Object
pure_cons (Lisp_Object
, Lisp_Object
);
2742 extern Lisp_Object
make_pure_vector (EMACS_INT
);
2743 EXFUN (Fgarbage_collect
, 0);
2744 extern Lisp_Object
make_funvec (Lisp_Object
, int, int, Lisp_Object
*);
2745 EXFUN (Fmake_byte_code
, MANY
);
2746 EXFUN (Fmake_bool_vector
, 2);
2747 extern Lisp_Object Qchar_table_extra_slots
;
2748 extern struct Lisp_Vector
*allocate_vector (EMACS_INT
);
2749 extern struct Lisp_Vector
*allocate_pseudovector (int memlen
, int lisplen
, EMACS_INT tag
);
2750 #define ALLOCATE_PSEUDOVECTOR(typ,field,tag) \
2752 allocate_pseudovector \
2753 (VECSIZE (typ), PSEUDOVECSIZE (typ, field), tag))
2754 extern struct Lisp_Hash_Table
*allocate_hash_table (void);
2755 extern struct window
*allocate_window (void);
2756 extern struct frame
*allocate_frame (void);
2757 extern struct Lisp_Process
*allocate_process (void);
2758 extern struct terminal
*allocate_terminal (void);
2759 extern int gc_in_progress
;
2760 extern int abort_on_gc
;
2761 extern Lisp_Object
make_float (double);
2762 extern void display_malloc_warning (void);
2763 extern int inhibit_garbage_collection (void);
2764 extern Lisp_Object
make_save_value (void *, int);
2765 extern void free_misc (Lisp_Object
);
2766 extern void free_marker (Lisp_Object
);
2767 extern void free_cons (struct Lisp_Cons
*);
2768 extern void init_alloc_once (void);
2769 extern void init_alloc (void);
2770 extern void syms_of_alloc (void);
2771 extern struct buffer
* allocate_buffer (void);
2772 extern int valid_lisp_object_p (Lisp_Object
);
2774 /* Defined in chartab.c */
2775 EXFUN (Fmake_char_table
, 2);
2776 EXFUN (Fset_char_table_parent
, 2);
2777 EXFUN (Fchar_table_extra_slot
, 2);
2778 EXFUN (Fset_char_table_extra_slot
, 3);
2779 EXFUN (Fset_char_table_range
, 3);
2780 EXFUN (Foptimize_char_table
, 2);
2781 extern Lisp_Object
copy_char_table (Lisp_Object
);
2782 extern Lisp_Object
char_table_ref (Lisp_Object
, int);
2783 extern Lisp_Object
char_table_ref_and_range (Lisp_Object
, int,
2785 extern Lisp_Object
char_table_set (Lisp_Object
, int, Lisp_Object
);
2786 extern Lisp_Object
char_table_set_range (Lisp_Object
, int, int,
2788 extern int char_table_translate (Lisp_Object
, int);
2789 extern void map_char_table (void (*) (Lisp_Object
, Lisp_Object
,
2791 Lisp_Object
, Lisp_Object
, Lisp_Object
);
2792 extern void map_char_table_for_charset (void (*c_function
) (Lisp_Object
, Lisp_Object
),
2793 Lisp_Object
, Lisp_Object
,
2794 Lisp_Object
, struct charset
*,
2795 unsigned, unsigned);
2796 extern void syms_of_chartab (void);
2798 /* Defined in print.c */
2799 extern Lisp_Object Vprin1_to_string_buffer
;
2800 extern void debug_print (Lisp_Object
) EXTERNALLY_VISIBLE
;
2801 extern void safe_debug_print (Lisp_Object
) EXTERNALLY_VISIBLE
;
2803 EXFUN (Fprin1_to_string
, 2);
2807 EXFUN (Ferror_message_string
, 1);
2808 extern Lisp_Object Qstandard_output
;
2809 extern Lisp_Object Qexternal_debugging_output
;
2810 extern void temp_output_buffer_setup (const char *);
2811 extern int print_level
;
2812 extern Lisp_Object Qprint_escape_newlines
;
2813 extern void write_string (const char *, int);
2814 extern void print_error_message (Lisp_Object
, Lisp_Object
, const char *,
2816 extern Lisp_Object internal_with_output_to_temp_buffer
2817 (const char *, Lisp_Object (*) (Lisp_Object
), Lisp_Object
);
2818 #define FLOAT_TO_STRING_BUFSIZE 350
2819 extern void float_to_string (unsigned char *, double);
2820 extern void syms_of_print (void);
2822 /* Defined in doprnt.c */
2823 extern EMACS_INT
doprnt (char *, int, const char *, const char *, va_list);
2825 extern Lisp_Object Qvariable_documentation
, Qstandard_input
;
2826 extern Lisp_Object Qbackquote
, Qcomma
, Qcomma_at
, Qcomma_dot
, Qfunction
;
2827 extern Lisp_Object initial_obarray
;
2829 EXFUN (Fread_from_string
, 3);
2831 EXFUN (Fintern_soft
, 2);
2833 EXFUN (Fget_load_suffixes
, 0);
2834 EXFUN (Fread_char
, 3);
2835 EXFUN (Fread_event
, 3);
2836 EXFUN (Feval_region
, 4);
2837 extern Lisp_Object
check_obarray (Lisp_Object
);
2838 extern Lisp_Object
intern (const char *);
2839 extern Lisp_Object
intern_c_string (const char *);
2840 extern Lisp_Object
make_symbol (const char *);
2841 extern Lisp_Object
oblookup (Lisp_Object
, const char *, EMACS_INT
, EMACS_INT
);
2842 #define LOADHIST_ATTACH(x) \
2844 if (initialized) Vcurrent_load_list = Fcons (x, Vcurrent_load_list); \
2846 extern int openp (Lisp_Object
, Lisp_Object
, Lisp_Object
,
2847 Lisp_Object
*, Lisp_Object
);
2848 extern int isfloat_string (const char *, int);
2849 extern void map_obarray (Lisp_Object
, void (*) (Lisp_Object
, Lisp_Object
),
2851 extern void dir_warning (const char *, Lisp_Object
);
2852 extern void close_load_descs (void);
2853 extern void init_obarray (void);
2854 extern void init_lread (void);
2855 extern void syms_of_lread (void);
2857 /* Defined in eval.c */
2858 extern Lisp_Object Qautoload
, Qexit
, Qinteractive
, Qcommandp
, Qdefun
, Qmacro
;
2859 extern Lisp_Object Qinhibit_quit
;
2860 extern Lisp_Object Vautoload_queue
;
2861 extern Lisp_Object Vsignaling_function
;
2862 extern int handling_signal
;
2863 /* To run a normal hook, use the appropriate function from the list below.
2864 The calling convention:
2866 if (!NILP (Vrun_hooks))
2867 call1 (Vrun_hooks, Qmy_funny_hook);
2869 should no longer be used. */
2870 extern Lisp_Object Vrun_hooks
;
2871 EXFUN (Frun_hooks
, MANY
);
2872 EXFUN (Frun_hook_with_args
, MANY
);
2873 EXFUN (Frun_hook_with_args_until_failure
, MANY
);
2874 extern void run_hook_with_args_2 (Lisp_Object
, Lisp_Object
, Lisp_Object
);
2875 EXFUN (Fprogn
, UNEVALLED
);
2876 EXFUN (Finteractive_p
, 0);
2877 EXFUN (Fthrow
, 2) NO_RETURN
;
2879 extern void xsignal (Lisp_Object
, Lisp_Object
) NO_RETURN
;
2880 extern void xsignal0 (Lisp_Object
) NO_RETURN
;
2881 extern void xsignal1 (Lisp_Object
, Lisp_Object
) NO_RETURN
;
2882 extern void xsignal2 (Lisp_Object
, Lisp_Object
, Lisp_Object
) NO_RETURN
;
2883 extern void xsignal3 (Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
) NO_RETURN
;
2884 extern void signal_error (const char *, Lisp_Object
) NO_RETURN
;
2885 EXFUN (Fcommandp
, 2);
2887 extern Lisp_Object
eval_sub (Lisp_Object form
);
2888 EXFUN (Fapply
, MANY
);
2889 EXFUN (Ffuncall
, MANY
);
2890 EXFUN (Fbacktrace
, 0);
2891 extern Lisp_Object
apply1 (Lisp_Object
, Lisp_Object
);
2892 extern Lisp_Object
call0 (Lisp_Object
);
2893 extern Lisp_Object
call1 (Lisp_Object
, Lisp_Object
);
2894 extern Lisp_Object
call2 (Lisp_Object
, Lisp_Object
, Lisp_Object
);
2895 extern Lisp_Object
call3 (Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
);
2896 extern Lisp_Object
call4 (Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
);
2897 extern Lisp_Object
call5 (Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
);
2898 extern Lisp_Object
call6 (Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
);
2899 extern Lisp_Object
call7 (Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
);
2900 EXFUN (Fdo_auto_save
, 2);
2901 extern Lisp_Object
internal_catch (Lisp_Object
, Lisp_Object (*) (Lisp_Object
), Lisp_Object
);
2902 extern Lisp_Object
internal_lisp_condition_case (Lisp_Object
, Lisp_Object
, Lisp_Object
);
2903 extern Lisp_Object
internal_condition_case (Lisp_Object (*) (void), Lisp_Object
, Lisp_Object (*) (Lisp_Object
));
2904 extern Lisp_Object
internal_condition_case_1 (Lisp_Object (*) (Lisp_Object
), Lisp_Object
, Lisp_Object
, Lisp_Object (*) (Lisp_Object
));
2905 extern Lisp_Object
internal_condition_case_2 (Lisp_Object (*) (Lisp_Object
, Lisp_Object
), Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object (*) (Lisp_Object
));
2906 extern Lisp_Object
internal_condition_case_n (Lisp_Object (*) (int, Lisp_Object
*), int, Lisp_Object
*, Lisp_Object
, Lisp_Object (*) (Lisp_Object
));
2907 extern void specbind (Lisp_Object
, Lisp_Object
);
2908 extern void record_unwind_protect (Lisp_Object (*) (Lisp_Object
), Lisp_Object
);
2909 extern Lisp_Object
unbind_to (int, Lisp_Object
);
2910 extern void error (const char *, ...) NO_RETURN
;
2911 extern void verror (const char *, va_list) NO_RETURN
;
2912 extern void do_autoload (Lisp_Object
, Lisp_Object
);
2913 extern Lisp_Object
un_autoload (Lisp_Object
);
2914 EXFUN (Ffetch_bytecode
, 1);
2915 extern void init_eval_once (void);
2916 extern Lisp_Object
safe_call (int, Lisp_Object
*);
2917 extern Lisp_Object
safe_call1 (Lisp_Object
, Lisp_Object
);
2918 extern Lisp_Object
safe_call2 (Lisp_Object
, Lisp_Object
, Lisp_Object
);
2919 extern void init_eval (void);
2920 extern void syms_of_eval (void);
2922 extern Lisp_Object Qfield
;
2923 EXFUN (Fcurrent_message
, 0);
2924 EXFUN (Fgoto_char
, 1);
2925 EXFUN (Fpoint_max_marker
, 0);
2927 EXFUN (Fpoint_marker
, 0);
2928 EXFUN (Fline_beginning_position
, 1);
2929 EXFUN (Fline_end_position
, 1);
2930 EXFUN (Ffollowing_char
, 0);
2931 EXFUN (Fprevious_char
, 0);
2932 EXFUN (Fchar_after
, 1);
2933 EXFUN (Finsert
, MANY
);
2934 EXFUN (Finsert_char
, 3);
2935 extern void insert1 (Lisp_Object
);
2940 EXFUN (Fformat
, MANY
);
2941 EXFUN (Fmessage
, MANY
);
2942 extern Lisp_Object
format2 (const char *, Lisp_Object
, Lisp_Object
);
2943 EXFUN (Fbuffer_substring
, 2);
2944 EXFUN (Fbuffer_string
, 0);
2945 extern Lisp_Object
save_excursion_save (void);
2946 extern Lisp_Object
save_restriction_save (void);
2947 extern Lisp_Object
save_excursion_restore (Lisp_Object
);
2948 extern Lisp_Object
save_restriction_restore (Lisp_Object
);
2949 EXFUN (Fchar_to_string
, 1);
2950 EXFUN (Fdelete_region
, 2);
2951 EXFUN (Fnarrow_to_region
, 2);
2953 EXFUN (Fuser_login_name
, 1);
2954 EXFUN (Fsystem_name
, 0);
2955 EXFUN (Fcurrent_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 extern void syms_of_editfns (void);
2962 EXFUN (Fconstrain_to_field
, 5);
2963 EXFUN (Ffield_end
, 3);
2964 extern void set_time_zone_rule (const char *);
2966 /* Defined in buffer.c */
2967 extern int mouse_face_overlay_overlaps (Lisp_Object
);
2968 extern void nsberror (Lisp_Object
) NO_RETURN
;
2969 EXFUN (Fset_buffer_multibyte
, 1);
2970 EXFUN (Foverlay_start
, 1);
2971 EXFUN (Foverlay_end
, 1);
2972 extern void adjust_overlays_for_insert (EMACS_INT
, EMACS_INT
);
2973 extern void adjust_overlays_for_delete (EMACS_INT
, EMACS_INT
);
2974 extern void fix_start_end_in_overlays (EMACS_INT
, EMACS_INT
);
2975 extern void report_overlay_modification (Lisp_Object
, Lisp_Object
, int,
2976 Lisp_Object
, Lisp_Object
, Lisp_Object
);
2977 extern int overlay_touches_p (EMACS_INT
);
2978 extern Lisp_Object Vbuffer_alist
;
2979 EXFUN (Fget_buffer
, 1);
2980 EXFUN (Fget_buffer_create
, 1);
2981 EXFUN (Fgenerate_new_buffer_name
, 2);
2982 EXFUN (Fset_buffer
, 1);
2983 extern Lisp_Object
set_buffer_if_live (Lisp_Object
);
2984 EXFUN (Fbarf_if_buffer_read_only
, 0);
2985 EXFUN (Fcurrent_buffer
, 0);
2986 EXFUN (Fswitch_to_buffer
, 2);
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 Qoverlayp
;
2996 extern Lisp_Object Qpriority
, Qwindow
, Qevaporate
, Qbefore_string
, Qafter_string
;
2997 extern Lisp_Object
get_truename_buffer (Lisp_Object
);
2998 extern struct buffer
*all_buffers
;
2999 EXFUN (Fprevious_overlay_change
, 1);
3000 EXFUN (Fbuffer_file_name
, 1);
3001 extern void init_buffer_once (void);
3002 extern void init_buffer (void);
3003 extern void syms_of_buffer (void);
3004 extern void keys_of_buffer (void);
3006 /* Defined in marker.c */
3008 EXFUN (Fmarker_position
, 1);
3009 EXFUN (Fmarker_buffer
, 1);
3010 EXFUN (Fcopy_marker
, 2);
3011 EXFUN (Fset_marker
, 3);
3012 extern EMACS_INT
marker_position (Lisp_Object
);
3013 extern EMACS_INT
marker_byte_position (Lisp_Object
);
3014 extern void clear_charpos_cache (struct buffer
*);
3015 extern EMACS_INT
charpos_to_bytepos (EMACS_INT
);
3016 extern EMACS_INT
buf_charpos_to_bytepos (struct buffer
*, EMACS_INT
);
3017 extern EMACS_INT
buf_bytepos_to_charpos (struct buffer
*, EMACS_INT
);
3018 extern void unchain_marker (struct Lisp_Marker
*marker
);
3019 extern Lisp_Object
set_marker_restricted (Lisp_Object
, Lisp_Object
, Lisp_Object
);
3020 extern Lisp_Object
set_marker_both (Lisp_Object
, Lisp_Object
, EMACS_INT
, EMACS_INT
);
3021 extern Lisp_Object
set_marker_restricted_both (Lisp_Object
, Lisp_Object
,
3022 EMACS_INT
, EMACS_INT
);
3023 extern void syms_of_marker (void);
3025 /* Defined in fileio.c */
3027 extern Lisp_Object Qfile_error
;
3028 extern Lisp_Object Qfile_exists_p
;
3029 extern Lisp_Object Qfile_directory_p
;
3030 extern Lisp_Object Qinsert_file_contents
;
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 (Ffile_executable_p
, 1);
3049 EXFUN (Fread_file_name
, 6);
3050 extern Lisp_Object
close_file_unwind (Lisp_Object
);
3051 extern Lisp_Object
restore_point_unwind (Lisp_Object
);
3052 extern void report_file_error (const char *, Lisp_Object
) NO_RETURN
;
3053 extern int internal_delete_file (Lisp_Object
);
3054 extern void syms_of_fileio (void);
3055 extern Lisp_Object
make_temp_name (Lisp_Object
, int);
3056 EXFUN (Fmake_symbolic_link
, 3);
3057 extern Lisp_Object Qdelete_file
;
3059 /* Defined in abbrev.c */
3061 extern void syms_of_abbrev (void);
3063 /* Defined in search.c */
3064 extern void shrink_regexp_cache (void);
3065 EXFUN (Fstring_match
, 3);
3066 extern void restore_search_regs (void);
3067 EXFUN (Fmatch_data
, 3);
3068 EXFUN (Fset_match_data
, 2);
3069 EXFUN (Fmatch_beginning
, 1);
3070 EXFUN (Fmatch_end
, 1);
3071 extern void record_unwind_save_match_data (void);
3072 extern int fast_string_match (Lisp_Object
, Lisp_Object
);
3073 extern int fast_c_string_match_ignore_case (Lisp_Object
, const char *);
3074 extern int fast_string_match_ignore_case (Lisp_Object
, Lisp_Object
);
3075 extern EMACS_INT
fast_looking_at (Lisp_Object
, EMACS_INT
, EMACS_INT
,
3076 EMACS_INT
, EMACS_INT
, Lisp_Object
);
3077 extern EMACS_INT
scan_buffer (int, EMACS_INT
, EMACS_INT
, EMACS_INT
,
3079 extern EMACS_INT
scan_newline (EMACS_INT
, EMACS_INT
, EMACS_INT
, EMACS_INT
,
3081 extern EMACS_INT
find_next_newline (EMACS_INT
, int);
3082 extern EMACS_INT
find_next_newline_no_quit (EMACS_INT
, EMACS_INT
);
3083 extern EMACS_INT
find_before_next_newline (EMACS_INT
, EMACS_INT
, EMACS_INT
);
3084 extern void syms_of_search (void);
3085 extern void clear_regexp_cache (void);
3087 /* Defined in minibuf.c */
3089 extern Lisp_Object Qcompletion_ignore_case
;
3090 extern Lisp_Object Vminibuffer_list
;
3091 extern Lisp_Object last_minibuf_string
;
3092 extern void choose_minibuf_frame (void);
3093 EXFUN (Fcompleting_read
, 8);
3094 EXFUN (Fread_from_minibuffer
, 7);
3095 EXFUN (Fread_variable
, 2);
3096 EXFUN (Fread_buffer
, 3);
3097 EXFUN (Fread_minibuffer
, 2);
3098 EXFUN (Feval_minibuffer
, 2);
3099 EXFUN (Fread_string
, 5);
3100 EXFUN (Fassoc_string
, 3);
3101 extern Lisp_Object
get_minibuffer (int);
3102 extern void init_minibuf_once (void);
3103 extern void syms_of_minibuf (void);
3105 /* Defined in callint.c */
3107 extern Lisp_Object Qminus
, Qplus
;
3108 extern Lisp_Object Qwhen
;
3109 extern Lisp_Object Qcall_interactively
, Qmouse_leave_buffer_hook
;
3110 EXFUN (Fprefix_numeric_value
, 1);
3111 extern void syms_of_callint (void);
3113 /* Defined in casefiddle.c */
3115 extern Lisp_Object Qidentity
;
3116 EXFUN (Fdowncase
, 1);
3118 EXFUN (Fupcase_region
, 2);
3119 EXFUN (Fupcase_initials
, 1);
3120 EXFUN (Fupcase_initials_region
, 2);
3121 extern void syms_of_casefiddle (void);
3122 extern void keys_of_casefiddle (void);
3124 /* Defined in casetab.c */
3126 EXFUN (Fset_case_table
, 1);
3127 EXFUN (Fset_standard_case_table
, 1);
3128 extern void init_casetab_once (void);
3129 extern void syms_of_casetab (void);
3131 /* 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 Qabove_handle
, Qhandle
, Qbelow_handle
;
3139 extern Lisp_Object Qup
, Qdown
, Qbottom
, Qend_scroll
;
3140 extern Lisp_Object Qtop
, Qratio
;
3141 extern int input_pending
;
3142 EXFUN (Fdiscard_input
, 0);
3143 EXFUN (Frecursive_edit
, 0);
3144 EXFUN (Ftop_level
, 0) NO_RETURN
;
3145 EXFUN (Fcommand_execute
, 4);
3146 extern Lisp_Object
menu_bar_items (Lisp_Object
);
3147 extern Lisp_Object
tool_bar_items (Lisp_Object
, int *);
3148 extern Lisp_Object Qvertical_scroll_bar
;
3149 extern void discard_mouse_events (void);
3150 EXFUN (Fevent_convert_list
, 1);
3151 EXFUN (Fread_key_sequence
, 5);
3152 EXFUN (Fset_input_interrupt_mode
, 1);
3153 EXFUN (Fset_input_mode
, 4);
3154 extern Lisp_Object pending_funcalls
;
3155 extern int detect_input_pending (void);
3156 extern int detect_input_pending_ignore_squeezables (void);
3157 extern int detect_input_pending_run_timers (int);
3158 extern void safe_run_hooks (Lisp_Object
);
3159 extern void cmd_error_internal (Lisp_Object
, const char *);
3160 extern Lisp_Object
command_loop_1 (void);
3161 extern Lisp_Object
recursive_edit_1 (void);
3162 extern void record_auto_save (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 double current_column (void);
3174 extern void invalidate_current_column (void);
3175 extern int indented_beyond_p (EMACS_INT
, EMACS_INT
, double);
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
);
3186 extern Lisp_Object
get_frame_param (struct frame
*, Lisp_Object
);
3187 extern Lisp_Object
frame_buffer_predicate (Lisp_Object
);
3188 EXFUN (Fselect_frame
, 2);
3189 EXFUN (Fselected_frame
, 0);
3190 EXFUN (Fwindow_frame
, 1);
3191 EXFUN (Fframe_root_window
, 1);
3192 EXFUN (Fframe_first_window
, 1);
3193 EXFUN (Fmake_frame_visible
, 1);
3194 EXFUN (Ficonify_frame
, 1);
3195 EXFUN (Fframe_parameter
, 2);
3196 EXFUN (Fmodify_frame_parameters
, 2);
3197 EXFUN (Fraise_frame
, 1);
3198 EXFUN (Fredirect_frame_focus
, 2);
3199 EXFUN (Fset_frame_selected_window
, 3);
3200 extern Lisp_Object
frame_buffer_list (Lisp_Object
);
3201 extern void frames_discard_buffer (Lisp_Object
);
3202 extern void set_frame_buffer_list (Lisp_Object
, Lisp_Object
);
3203 extern void syms_of_frame (void);
3205 /* Defined in emacs.c */
3206 extern char **initial_argv
;
3207 extern int initial_argc
;
3208 #if defined(HAVE_X_WINDOWS) || defined(HAVE_NS)
3209 extern int display_arg
;
3211 extern Lisp_Object
decode_env_path (const char *, const char *);
3212 extern Lisp_Object empty_unibyte_string
, empty_multibyte_string
;
3213 extern Lisp_Object Qfile_name_handler_alist
;
3214 extern void (*fatal_error_signal_hook
) (void);
3215 EXFUN (Fkill_emacs
, 1) NO_RETURN
;
3217 void fixup_locale (void);
3218 void synchronize_system_messages_locale (void);
3219 void synchronize_system_time_locale (void);
3221 #define setlocale(category, locale)
3222 #define fixup_locale()
3223 #define synchronize_system_messages_locale()
3224 #define synchronize_system_time_locale()
3226 void shut_down_emacs (int, int, Lisp_Object
);
3227 /* Nonzero means don't do interactive redisplay and don't change tty modes. */
3228 extern int noninteractive
;
3230 /* Nonzero means remove site-lisp directories from load-path. */
3231 extern int no_site_lisp
;
3233 /* Pipe used to send exit notification to the daemon parent at
3235 extern int daemon_pipe
[2];
3236 #define IS_DAEMON (daemon_pipe[1] != 0)
3238 /* Nonzero means don't do use window-system-specific display code. */
3239 extern int inhibit_window_system
;
3240 /* Nonzero means that a filter or a sentinel is running. */
3241 extern int running_asynch_code
;
3243 /* Defined in process.c */
3244 extern Lisp_Object QCtype
, Qlocal
;
3245 EXFUN (Fget_process
, 1);
3246 EXFUN (Fget_buffer_process
, 1);
3247 EXFUN (Fprocess_status
, 1);
3248 EXFUN (Fkill_process
, 2);
3249 EXFUN (Fwaiting_for_user_input_p
, 0);
3250 extern Lisp_Object Qprocessp
;
3251 extern void kill_buffer_processes (Lisp_Object
);
3252 extern int wait_reading_process_output (int, int, int, int,
3254 struct Lisp_Process
*,
3256 extern void add_keyboard_wait_descriptor (int);
3257 extern void delete_keyboard_wait_descriptor (int);
3258 extern void add_gpm_wait_descriptor (int);
3259 extern void delete_gpm_wait_descriptor (int);
3260 extern void close_process_descs (void);
3261 extern void init_process (void);
3262 extern void syms_of_process (void);
3263 extern void setup_process_coding_systems (Lisp_Object
);
3265 EXFUN (Fcall_process
, MANY
);
3266 extern int child_setup (int, int, int, char **, int, Lisp_Object
);
3267 extern void init_callproc_1 (void);
3268 extern void init_callproc (void);
3269 extern void set_initial_environment (void);
3270 extern void syms_of_callproc (void);
3272 /* Defined in doc.c */
3273 extern Lisp_Object Qfunction_documentation
;
3274 EXFUN (Fsubstitute_command_keys
, 1);
3275 EXFUN (Fdocumentation_property
, 3);
3276 extern Lisp_Object
read_doc_string (Lisp_Object
);
3277 extern Lisp_Object
get_doc_string (Lisp_Object
, int, int);
3278 extern void syms_of_doc (void);
3279 extern int read_bytecode_char (int);
3281 /* Defined in bytecode.c */
3282 extern Lisp_Object Qbytecode
;
3283 EXFUN (Fbyte_code
, MANY
);
3284 extern void syms_of_bytecode (void);
3285 extern struct byte_stack
*byte_stack_list
;
3286 extern void mark_byte_stack (void);
3287 extern void unmark_byte_stack (void);
3288 extern Lisp_Object
exec_byte_code (Lisp_Object
, Lisp_Object
, Lisp_Object
,
3289 Lisp_Object
, int, Lisp_Object
*);
3291 /* Defined in macros.c */
3292 extern Lisp_Object Qexecute_kbd_macro
;
3293 EXFUN (Fexecute_kbd_macro
, 3);
3294 EXFUN (Fcancel_kbd_macro_events
, 0);
3295 extern void init_macros (void);
3296 extern void syms_of_macros (void);
3298 /* Defined in undo.c */
3299 extern Lisp_Object Qapply
;
3300 extern Lisp_Object Qinhibit_read_only
;
3301 EXFUN (Fundo_boundary
, 0);
3302 extern void truncate_undo_list (struct buffer
*);
3303 extern void record_marker_adjustment (Lisp_Object
, EMACS_INT
);
3304 extern void record_insert (EMACS_INT
, EMACS_INT
);
3305 extern void record_delete (EMACS_INT
, Lisp_Object
);
3306 extern void record_first_change (void);
3307 extern void record_change (EMACS_INT
, EMACS_INT
);
3308 extern void record_property_change (EMACS_INT
, EMACS_INT
,
3309 Lisp_Object
, Lisp_Object
,
3311 extern void syms_of_undo (void);
3312 /* Defined in textprop.c */
3313 extern Lisp_Object Qfont
, Qmouse_face
;
3314 extern Lisp_Object Qinsert_in_front_hooks
, Qinsert_behind_hooks
;
3315 extern Lisp_Object Qfront_sticky
, Qrear_nonsticky
;
3316 extern Lisp_Object Qminibuffer_prompt
;
3318 EXFUN (Fnext_single_property_change
, 4);
3319 EXFUN (Fnext_single_char_property_change
, 4);
3320 EXFUN (Fprevious_single_property_change
, 4);
3321 EXFUN (Fget_text_property
, 3);
3322 EXFUN (Fput_text_property
, 5);
3323 EXFUN (Fprevious_char_property_change
, 2);
3324 EXFUN (Fnext_char_property_change
, 2);
3325 extern void report_interval_modification (Lisp_Object
, Lisp_Object
);
3327 /* Defined in menu.c */
3328 extern void syms_of_menu (void);
3330 /* Defined in xmenu.c */
3331 EXFUN (Fx_popup_menu
, 2);
3332 EXFUN (Fx_popup_dialog
, 3);
3333 extern void syms_of_xmenu (void);
3335 /* Defined in termchar.h */
3336 struct tty_display_info
;
3338 /* Defined in termhooks.h */
3341 /* Defined in sysdep.c */
3342 #ifndef HAVE_GET_CURRENT_DIR_NAME
3343 extern char *get_current_dir_name (void);
3345 extern void stuff_char (char c
);
3346 extern void init_sigio (int);
3347 extern void sys_subshell (void);
3348 extern void sys_suspend (void);
3349 extern void discard_tty_input (void);
3350 extern void init_sys_modes (struct tty_display_info
*);
3351 extern void reset_sys_modes (struct tty_display_info
*);
3352 extern void init_all_sys_modes (void);
3353 extern void reset_all_sys_modes (void);
3354 extern void wait_for_termination (int);
3355 extern void flush_pending_output (int);
3356 extern void child_setup_tty (int);
3357 extern void setup_pty (int);
3358 extern int set_window_size (int, int, int);
3359 extern void create_process (Lisp_Object
, char **, Lisp_Object
);
3360 extern int emacs_open (const char *, int, int);
3361 extern int emacs_close (int);
3362 extern int emacs_read (int, char *, unsigned int);
3363 extern int emacs_write (int, const char *, unsigned int);
3365 extern void *memset (void *, int, size_t);
3368 extern void *memcpy (void *, void *, size_t);
3370 #ifndef HAVE_MEMMOVE
3371 extern void *memmove (void *, void *, size_t);
3374 extern int memcmp (void *, void *, size_t);
3377 EXFUN (Funlock_buffer
, 0);
3378 extern void unlock_all_files (void);
3379 extern void lock_file (Lisp_Object
);
3380 extern void unlock_file (Lisp_Object
);
3381 extern void unlock_buffer (struct buffer
*);
3382 extern void syms_of_filelock (void);
3383 extern void init_filelock (void);
3385 /* Defined in sound.c */
3386 extern void syms_of_sound (void);
3387 extern void init_sound (void);
3389 /* Defined in category.c */
3390 extern void init_category_once (void);
3391 extern Lisp_Object
char_category_set (int);
3392 extern void syms_of_category (void);
3394 /* Defined in ccl.c */
3395 extern void syms_of_ccl (void);
3397 /* Defined in dired.c */
3398 EXFUN (Ffile_attributes
, 2);
3399 extern void syms_of_dired (void);
3400 extern Lisp_Object
directory_files_internal (Lisp_Object
, Lisp_Object
,
3401 Lisp_Object
, Lisp_Object
,
3404 /* Defined in term.c */
3405 extern int *char_ins_del_vector
;
3406 extern void syms_of_term (void);
3407 extern void fatal (const char *msgid
, ...) NO_RETURN
;
3409 /* Defined in terminal.c */
3410 EXFUN (Fframe_terminal
, 1);
3411 EXFUN (Fdelete_terminal
, 2);
3412 extern void syms_of_terminal (void);
3414 /* Defined in font.c */
3415 extern void syms_of_font (void);
3416 extern void init_font (void);
3418 #ifdef HAVE_WINDOW_SYSTEM
3419 /* Defined in fontset.c */
3420 extern void syms_of_fontset (void);
3422 /* Defined in xfns.c, w32fns.c, or macfns.c */
3423 extern Lisp_Object Qfont_param
;
3424 EXFUN (Fxw_display_color_p
, 1);
3425 EXFUN (Fx_focus_frame
, 1);
3428 /* Defined in xfaces.c */
3429 extern Lisp_Object Qdefault
, Qtool_bar
, Qregion
, Qfringe
;
3430 extern Lisp_Object Qheader_line
, Qscroll_bar
, Qcursor
, Qborder
, Qmouse
, Qmenu
;
3431 extern Lisp_Object Qmode_line_inactive
, Qvertical_border
;
3432 extern Lisp_Object Qface
;
3433 extern Lisp_Object Qnormal
;
3434 extern Lisp_Object QCfamily
, QCweight
, QCslant
;
3435 extern Lisp_Object QCheight
, QCname
, QCwidth
, QCforeground
, QCbackground
;
3436 extern Lisp_Object Vface_alternative_font_family_alist
;
3437 extern Lisp_Object Vface_alternative_font_registry_alist
;
3438 EXFUN (Fclear_face_cache
, 1);
3439 EXFUN (Fx_load_color_file
, 1);
3440 extern void syms_of_xfaces (void);
3442 #ifndef HAVE_GETLOADAVG
3443 /* Defined in getloadavg.c */
3444 extern int getloadavg (double *, int);
3447 #ifdef HAVE_X_WINDOWS
3448 /* Defined in xfns.c */
3449 extern void syms_of_xfns (void);
3451 /* Defined in xsmfns.c */
3452 extern void syms_of_xsmfns (void);
3454 /* Defined in xselect.c */
3455 extern void syms_of_xselect (void);
3457 /* Defined in xterm.c */
3458 extern void syms_of_xterm (void);
3459 #endif /* HAVE_X_WINDOWS */
3461 #ifdef HAVE_WINDOW_SYSTEM
3462 /* Defined in xterm.c, nsterm.m, w32term.c */
3463 extern char *x_get_keysym_name (int);
3464 #endif /* HAVE_WINDOW_SYSTEM */
3467 /* Defined in msdos.c */
3468 EXFUN (Fmsdos_downcase_filename
, 1);
3472 /* Defined in xml.c */
3473 extern void syms_of_xml (void);
3477 /* Defined in (x|w32)fns.c, nsfns.m... */
3478 extern int have_menus_p (void);
3482 /* Defined in dbusbind.c */
3483 void syms_of_dbusbind (void);
3487 /* Defined in msdos.c, w32.c */
3488 extern char *emacs_root_dir (void);
3491 /* Nonzero means Emacs has already been initialized.
3492 Used during startup to detect startup of dumped Emacs. */
3493 extern int initialized
;
3495 extern int immediate_quit
; /* Nonzero means ^G can quit instantly */
3497 extern POINTER_TYPE
*xmalloc (size_t);
3498 extern POINTER_TYPE
*xrealloc (POINTER_TYPE
*, size_t);
3499 extern void xfree (POINTER_TYPE
*);
3501 extern char *xstrdup (const char *);
3503 extern char *egetenv (const char *);
3505 /* Set up the name of the machine we're running on. */
3506 extern void init_system_name (void);
3508 /* Some systems (e.g., NT) use a different path separator than Unix,
3509 in addition to a device separator. Set the path separator
3510 to '/', and don't test for a device separator in IS_ANY_SEP. */
3512 #define DIRECTORY_SEP '/'
3513 #ifndef IS_DIRECTORY_SEP
3514 #define IS_DIRECTORY_SEP(_c_) ((_c_) == DIRECTORY_SEP)
3516 #ifndef IS_DEVICE_SEP
3518 #define IS_DEVICE_SEP(_c_) 0
3520 #define IS_DEVICE_SEP(_c_) ((_c_) == DEVICE_SEP)
3524 #define IS_ANY_SEP(_c_) (IS_DIRECTORY_SEP (_c_))
3527 #define SWITCH_ENUM_CAST(x) (x)
3529 /* Loop over Lisp list LIST. Signal an error if LIST is not a proper
3530 list, or if it contains circles.
3532 HARE and TORTOISE should be the names of Lisp_Object variables, and
3533 N should be the name of an EMACS_INT variable declared in the
3534 function where the macro is used. Each nested loop should use
3537 In the loop body, HARE is set to each cons of LIST, and N is the
3538 length of the list processed so far. */
3540 #define LIST_END_P(list, obj) \
3545 : (wrong_type_argument (Qlistp, (list))), 1))
3547 #define FOREACH(hare, list, tortoise, n) \
3548 for (tortoise = hare = (list), n = 0; \
3549 !LIST_END_P (list, hare); \
3550 (hare = XCDR (hare), ++n, \
3552 ? (tortoise = XCDR (tortoise), \
3553 (EQ (hare, tortoise) \
3554 && (circular_list_error ((list)), 1))) \
3557 /* The ubiquitous min and max macros. */
3563 #define min(a, b) ((a) < (b) ? (a) : (b))
3564 #define max(a, b) ((a) > (b) ? (a) : (b))
3566 /* We used to use `abs', but that clashes with system headers on some
3567 platforms, and using a name reserved by Standard C is a bad idea
3570 #define eabs(x) ((x) < 0 ? -(x) : (x))
3573 /* Return a fixnum or float, depending on whether VAL fits in a Lisp
3576 #define make_fixnum_or_float(val) \
3577 (FIXNUM_OVERFLOW_P (val) \
3578 ? make_float (val) \
3579 : make_number ((EMACS_INT)(val)))
3582 /* Checks the `cycle check' variable CHECK to see if it indicates that
3583 EL is part of a cycle; CHECK must be either Qnil or a value returned
3584 by an earlier use of CYCLE_CHECK. SUSPICIOUS is the number of
3585 elements after which a cycle might be suspected; after that many
3586 elements, this macro begins consing in order to keep more precise
3589 Returns nil if a cycle was detected, otherwise a new value for CHECK
3592 CHECK is evaluated multiple times, EL and SUSPICIOUS 0 or 1 times, so
3593 the caller should make sure that's ok. */
3595 #define CYCLE_CHECK(check, el, suspicious) \
3598 : (INTEGERP (check) \
3599 ? (XFASTINT (check) < (suspicious) \
3600 ? make_number (XFASTINT (check) + 1) \
3601 : Fcons (el, Qnil)) \
3602 : (!NILP (Fmemq ((el), (check))) \
3604 : Fcons ((el), (check)))))
3607 /* SAFE_ALLOCA normally allocates memory on the stack, but if size is
3608 larger than MAX_ALLOCA, use xmalloc to avoid overflowing the stack. */
3610 #define MAX_ALLOCA 16*1024
3612 extern Lisp_Object
safe_alloca_unwind (Lisp_Object
);
3614 #define USE_SAFE_ALLOCA \
3615 int sa_count = (int) SPECPDL_INDEX (), sa_must_free = 0
3617 /* SAFE_ALLOCA allocates a simple buffer. */
3619 #define SAFE_ALLOCA(buf, type, size) \
3621 if ((size) < MAX_ALLOCA) \
3622 buf = (type) alloca (size); \
3625 buf = (type) xmalloc (size); \
3627 record_unwind_protect (safe_alloca_unwind, \
3628 make_save_value (buf, 0)); \
3632 /* SAFE_FREE frees xmalloced memory and enables GC as needed. */
3634 #define SAFE_FREE() \
3636 if (sa_must_free) { \
3638 unbind_to (sa_count, Qnil); \
3643 /* SAFE_ALLOCA_LISP allocates an array of Lisp_Objects. */
3645 #define SAFE_ALLOCA_LISP(buf, nelt) \
3647 int size_ = (nelt) * sizeof (Lisp_Object); \
3648 if (size_ < MAX_ALLOCA) \
3649 buf = (Lisp_Object *) alloca (size_); \
3653 buf = (Lisp_Object *) xmalloc (size_); \
3654 arg_ = make_save_value (buf, nelt); \
3655 XSAVE_VALUE (arg_)->dogc = 1; \
3657 record_unwind_protect (safe_alloca_unwind, arg_); \
3662 #include "globals.h"
3664 #endif /* EMACS_LISP_H */