1 /* Fundamental definitions for GNU Emacs Lisp interpreter.
2 Copyright (C) 1985,86,87,93,94,95,97,98,1999,2000, 2001, 2002, 2003
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 2, or (at your option)
12 GNU Emacs is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with GNU Emacs; see the file COPYING. If not, write to
19 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
20 Boston, MA 02111-1307, USA. */
22 /* Declare the prototype for a general external function. */
23 #if defined (PROTOTYPES) || defined (WINDOWSNT)
24 #define P_(proto) proto
30 /* Define this temporarily to hunt a bug. If defined, the size of
31 strings is redundantly recorded in sdata structures so that it can
32 be compared to the sizes recorded in Lisp strings. */
34 #define GC_CHECK_STRING_BYTES 1
38 /* These are default choices for the types to use. */
41 #define EMACS_INT long
42 #define BITS_PER_EMACS_INT BITS_PER_LONG
45 #define EMACS_UINT unsigned long
50 #define BITS_PER_EMACS_INT BITS_PER_INT
53 #define EMACS_UINT unsigned int
57 /* Extra internal type checking? */
58 extern int suppress_checking
;
59 extern void die
P_((const char *, const char *, int));
61 #ifdef ENABLE_CHECKING
63 #define CHECK(check,msg) (((check) || suppress_checking \
65 : die ((msg), __FILE__, __LINE__)), \
68 /* Let's get some compile-time checking too. */
73 /* Produce same side effects and result, but don't complain. */
74 #define CHECK(check,msg) ((check),0)
78 /* Used for making sure that Emacs is compilable in all
81 #ifdef USE_LISP_UNION_TYPE
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 /* Define the fundamental Lisp data structures. */
99 /* This is the set of Lisp data types. */
103 /* Integer. XINT (obj) is the integer value. */
106 /* Symbol. XSYMBOL (object) points to a struct Lisp_Symbol. */
109 /* Miscellaneous. XMISC (object) points to a union Lisp_Misc,
110 whose first member indicates the subtype. */
113 /* String. XSTRING (object) points to a struct Lisp_String.
114 The length of the string, and its contents, are stored therein. */
117 /* Vector of Lisp objects, or something resembling it.
118 XVECTOR (object) points to a struct Lisp_Vector, which contains
119 the size and contents. The size field also contains the type
120 information, if it's not a real vector object. */
123 /* Cons. XCONS (object) points to a struct Lisp_Cons. */
128 /* This is not a type code. It is for range checking. */
132 /* This is the set of data types that share a common structure.
133 The first member of the structure is a type code from this set.
134 The enum values are arbitrary, but we'll use large numbers to make it
135 more likely that we'll spot the error if a random word in memory is
136 mistakenly interpreted as a Lisp_Misc. */
139 Lisp_Misc_Free
= 0x5eab,
144 Lisp_Misc_Buffer_Objfwd
,
145 Lisp_Misc_Buffer_Local_Value
,
146 Lisp_Misc_Some_Buffer_Local_Value
,
148 Lisp_Misc_Kboard_Objfwd
,
149 Lisp_Misc_Save_Value
,
150 /* Currently floats are not a misc type,
151 but let's define this in case we want to change that. */
153 /* This is not a type code. It is for range checking. */
161 /* These values are overridden by the m- file on some machines. */
163 /* The -1 is for the markbit. */
164 #define VALBITS (BITS_PER_EMACS_INT - GCTYPEBITS - 1)
167 #ifndef NO_UNION_TYPE
169 #ifndef WORDS_BIG_ENDIAN
171 /* Definition of Lisp_Object for little-endian machines. */
176 /* Used for comparing two Lisp_Objects;
177 also, positive integers can be accessed fast this way. */
182 EMACS_INT val
: VALBITS
;
183 EMACS_INT type
: GCTYPEBITS
+ 1;
187 EMACS_UINT val
: VALBITS
;
188 EMACS_INT type
: GCTYPEBITS
+ 1;
192 EMACS_UINT val
: VALBITS
;
193 enum Lisp_Type type
: GCTYPEBITS
;
194 /* The markbit is not really part of the value of a Lisp_Object,
195 and is always zero except during garbage collection. */
196 EMACS_UINT markbit
: 1;
201 #else /* If WORDS_BIG_ENDIAN */
206 /* Used for comparing two Lisp_Objects;
207 also, positive integers can be accessed fast this way. */
212 EMACS_INT type
: GCTYPEBITS
+1;
213 EMACS_INT val
: VALBITS
;
217 EMACS_INT type
: GCTYPEBITS
+1;
218 EMACS_UINT val
: VALBITS
;
222 /* The markbit is not really part of the value of a Lisp_Object,
223 and is always zero except during garbage collection. */
224 EMACS_UINT markbit
: 1;
225 enum Lisp_Type type
: GCTYPEBITS
;
226 EMACS_UINT val
: VALBITS
;
231 #endif /* WORDS_BIG_ENDIAN */
234 static __inline__ Lisp_Object
235 LISP_MAKE_RVALUE (Lisp_Object o
)
240 /* This isn't quite right - it keeps the argument as an lvalue.
241 Making it const via casting would help avoid code actually
242 modifying the location in question, but the casting could cover
243 other type-related bugs. */
244 #define LISP_MAKE_RVALUE(o) (o)
247 #endif /* NO_UNION_TYPE */
250 /* If union type is not wanted, define Lisp_Object as just a number. */
253 #define Lisp_Object EMACS_INT
254 #define LISP_MAKE_RVALUE(o) (0+(o))
255 #endif /* NO_UNION_TYPE */
258 #define VALMASK ((((EMACS_INT) 1)<<VALBITS) - 1)
260 #define GCTYPEMASK ((((EMACS_INT) 1)<<GCTYPEBITS) - 1)
262 /* Two flags that are set during GC. On some machines, these flags
263 are defined differently by the m- file. */
265 /* This is set in the car of a cons to indicate it is marked.
266 Likewise in the type slot of a float and in the size slot of strings. */
269 #define MARKBIT ((EMACS_INT) ((EMACS_UINT) 1 << (VALBITS + GCTYPEBITS)))
272 /* In the size word of a vector, this bit means the vector has been marked. */
274 #ifndef ARRAY_MARK_FLAG
275 #define ARRAY_MARK_FLAG ((MARKBIT >> 1) & ~MARKBIT)
276 #endif /* no ARRAY_MARK_FLAG */
278 /* In the size word of a struct Lisp_Vector, this bit means it's really
279 some other vector-like object. */
280 #ifndef PSEUDOVECTOR_FLAG
281 #define PSEUDOVECTOR_FLAG ((ARRAY_MARK_FLAG >> 1) & ~ARRAY_MARK_FLAG)
284 /* In a pseudovector, the size field actually contains a word with one
285 PSEUDOVECTOR_FLAG bit set, and exactly one of the following bits to
286 indicate the actual type. */
289 PVEC_NORMAL_VECTOR
= 0,
290 PVEC_PROCESS
= 0x200,
292 PVEC_COMPILED
= 0x800,
293 PVEC_WINDOW
= 0x1000,
294 PVEC_WINDOW_CONFIGURATION
= 0x2000,
296 PVEC_CHAR_TABLE
= 0x8000,
297 PVEC_BOOL_VECTOR
= 0x10000,
298 PVEC_BUFFER
= 0x20000,
299 PVEC_HASH_TABLE
= 0x40000,
300 PVEC_TYPE_MASK
= 0x7fe00
302 #if 0 /* This is used to make the value of PSEUDOVECTOR_FLAG available to
303 GDB. It doesn't work on OS Alpha. Moved to a variable in
305 PVEC_FLAG
= PSEUDOVECTOR_FLAG
309 /* For convenience, we also store the number of elements in these bits. */
310 #define PSEUDOVECTOR_SIZE_MASK 0x1ff
312 /* These macros extract various sorts of values from a Lisp_Object.
313 For example, if tem is a Lisp_Object whose type is Lisp_Cons,
314 XCONS (tem) is the struct Lisp_Cons * pointing to the memory for that cons. */
318 /* One need to override this if there must be high bits set in data space
319 (doing the result of the below & ((1 << (GCTYPE + 1)) - 1) would work
320 on all machines, but would penalize machines which don't need it)
323 #define XTYPE(a) ((enum Lisp_Type) ((a) >> VALBITS))
327 #define XSETTYPE(a, b) ((a) = XUINT (a) | ((EMACS_INT)(b) << VALBITS))
330 /* For integers known to be positive, XFASTINT provides fast retrieval
331 and XSETFASTINT provides fast storage. This takes advantage of the
332 fact that Lisp_Int is 0.
333 Beware: XFASTINT applied to a non-positive integer or to something
334 else than an integer should return something that preserves all the
335 info that was in the Lisp_Object, because it is used in EQ. */
336 #define XFASTINT(a) ((a) + 0)
337 #define XSETFASTINT(a, b) ((a) = (b))
339 /* Extract the value of a Lisp_Object as a signed integer. */
341 #ifndef XINT /* Some machines need to do this differently. */
342 #define XINT(a) ((EMACS_INT) (((a) << (BITS_PER_EMACS_INT - VALBITS)) \
343 >> (BITS_PER_EMACS_INT - VALBITS)))
346 /* Extract the value as an unsigned integer. This is a basis
347 for extracting it as a pointer to a structure in storage. */
350 #define XUINT(a) ((EMACS_UINT) ((a) & VALMASK))
354 #define XSET(var, type, ptr) \
355 ((var) = ((EMACS_INT)(type) << VALBITS) + ((EMACS_INT) (ptr) & VALMASK))
358 /* Convert a C integer into a Lisp_Object integer. */
360 #define make_number(N) \
361 ((((EMACS_INT) (N)) & VALMASK) | ((EMACS_INT) Lisp_Int) << VALBITS)
363 /* During garbage collection, XGCTYPE must be used for extracting types
364 so that the mark bit is ignored. XMARKBIT accesses the markbit.
365 Markbits are used only in particular slots of particular structure types.
366 Other markbits are always zero.
367 Outside of garbage collection, all mark bits are always zero. */
370 #define XGCTYPE(a) ((enum Lisp_Type) (((a) >> VALBITS) & GCTYPEMASK))
373 #if VALBITS + GCTYPEBITS == BITS_PER_EMACS_INT - 1
374 /* Make XMARKBIT faster if mark bit is sign bit. */
376 #define XMARKBIT(a) ((a) < 0)
378 #endif /* markbit is sign bit */
381 #define XMARKBIT(a) ((a) & MARKBIT)
385 #define XMARK(a) ((a) |= MARKBIT)
389 #define XUNMARK(a) ((a) &= ~MARKBIT)
392 #endif /* NO_UNION_TYPE */
394 #ifndef NO_UNION_TYPE
396 #define XTYPE(a) ((enum Lisp_Type) (a).u.type)
397 #define XSETTYPE(a, b) ((a).u.type = (char) (b))
399 /* For integers known to be positive, XFASTINT provides fast retrieval
400 and XSETFASTINT provides fast storage. This takes advantage of the
401 fact that Lisp_Int is 0. */
402 #define XFASTINT(a) ((a).i + 0)
403 #define XSETFASTINT(a, b) ((a).i = (b))
405 #ifdef EXPLICIT_SIGN_EXTEND
406 /* Make sure we sign-extend; compilers have been known to fail to do so. */
407 #define XINT(a) (((a).i << (BITS_PER_EMACS_INT - VALBITS)) \
408 >> (BITS_PER_EMACS_INT - VALBITS))
410 #define XINT(a) ((a).s.val)
411 #endif /* EXPLICIT_SIGN_EXTEND */
413 #define XUINT(a) ((a).u.val)
415 #define XSET(var, vartype, ptr) \
416 (((var).s.val = ((EMACS_INT) (ptr))), ((var).s.type = ((char) (vartype))))
418 #if __GNUC__ >= 2 && defined (__OPTIMIZE__)
419 #define make_number(N) \
420 (__extension__ ({ Lisp_Object _l; _l.s.val = (N); _l.s.type = Lisp_Int; _l; }))
422 extern Lisp_Object
make_number ();
425 /* During garbage collection, XGCTYPE must be used for extracting types
426 so that the mark bit is ignored. XMARKBIT access the markbit.
427 Markbits are used only in particular slots of particular structure types.
428 Other markbits are always zero.
429 Outside of garbage collection, all mark bits are always zero. */
431 #define XGCTYPE(a) ((a).gu.type)
432 #define XMARKBIT(a) ((a).gu.markbit)
433 #define XMARK(a) (XMARKBIT(a) = 1)
434 #define XUNMARK(a) (XMARKBIT(a) = 0)
436 #endif /* NO_UNION_TYPE */
440 /* In this representation, data is found in two widely separated segments. */
441 extern size_t pure_size
;
443 (XUINT (a) | (XUINT (a) > pure_size ? DATA_SEG_BITS : PURE_SEG_BITS))
444 #else /* not HAVE_SHM */
446 /* This case is used for the rt-pc.
447 In the diffs I was given, it checked for ptr = 0
448 and did not adjust it in that case.
449 But I don't think that zero should ever be found
450 in a Lisp object whose data type says it points to something. */
451 #define XPNTR(a) (XUINT (a) | DATA_SEG_BITS)
453 #define XPNTR(a) XUINT (a)
455 #endif /* not HAVE_SHM */
456 #endif /* no XPNTR */
458 /* Largest and smallest representable fixnum values. These are the C
461 #define MOST_NEGATIVE_FIXNUM - ((EMACS_INT) 1 << (VALBITS - 1))
462 #define MOST_POSITIVE_FIXNUM (((EMACS_INT) 1 << (VALBITS - 1)) - 1)
464 /* Value is non-zero if C integer I doesn't fit into a Lisp fixnum. */
466 #define FIXNUM_OVERFLOW_P(i) \
467 ((EMACS_INT)(i) > MOST_POSITIVE_FIXNUM \
468 || (EMACS_INT) (i) < MOST_NEGATIVE_FIXNUM)
470 /* Extract a value or address from a Lisp_Object. */
472 #define XCONS(a) (eassert (GC_CONSP(a)),(struct Lisp_Cons *) XPNTR(a))
473 #define XVECTOR(a) (eassert (GC_VECTORLIKEP(a)),(struct Lisp_Vector *) XPNTR(a))
474 #define XSTRING(a) (eassert (GC_STRINGP(a)),(struct Lisp_String *) XPNTR(a))
475 #define XSYMBOL(a) (eassert (GC_SYMBOLP(a)),(struct Lisp_Symbol *) XPNTR(a))
476 #define XFLOAT(a) (eassert (GC_FLOATP(a)),(struct Lisp_Float *) XPNTR(a))
480 #define XMISC(a) ((union Lisp_Misc *) XPNTR(a))
481 #define XMISCTYPE(a) (XMARKER (a)->type)
482 #define XMARKER(a) (&(XMISC(a)->u_marker))
483 #define XINTFWD(a) (&(XMISC(a)->u_intfwd))
484 #define XBOOLFWD(a) (&(XMISC(a)->u_boolfwd))
485 #define XOBJFWD(a) (&(XMISC(a)->u_objfwd))
486 #define XBUFFER_OBJFWD(a) (&(XMISC(a)->u_buffer_objfwd))
487 #define XBUFFER_LOCAL_VALUE(a) (&(XMISC(a)->u_buffer_local_value))
488 #define XOVERLAY(a) (&(XMISC(a)->u_overlay))
489 #define XKBOARD_OBJFWD(a) (&(XMISC(a)->u_kboard_objfwd))
490 #define XSAVE_VALUE(a) (&(XMISC(a)->u_save_value))
492 /* Pseudovector types. */
494 #define XPROCESS(a) (eassert (GC_PROCESSP(a)),(struct Lisp_Process *) XPNTR(a))
495 #define XWINDOW(a) (eassert (GC_WINDOWP(a)),(struct window *) XPNTR(a))
496 #define XSUBR(a) (eassert (GC_SUBRP(a)),(struct Lisp_Subr *) XPNTR(a))
497 #define XBUFFER(a) (eassert (GC_BUFFERP(a)),(struct buffer *) XPNTR(a))
498 #define XCHAR_TABLE(a) ((struct Lisp_Char_Table *) XPNTR(a))
499 #define XBOOL_VECTOR(a) ((struct Lisp_Bool_Vector *) XPNTR(a))
501 /* Construct a Lisp_Object from a value or address. */
503 #define XSETINT(a, b) (a) = make_number (b)
504 #define XSETCONS(a, b) XSET (a, Lisp_Cons, b)
505 #define XSETVECTOR(a, b) XSET (a, Lisp_Vectorlike, b)
506 #define XSETSTRING(a, b) XSET (a, Lisp_String, b)
507 #define XSETSYMBOL(a, b) XSET (a, Lisp_Symbol, b)
508 #define XSETFLOAT(a, b) XSET (a, Lisp_Float, b)
512 #define XSETMISC(a, b) XSET (a, Lisp_Misc, b)
513 #define XSETMARKER(a, b) (XSETMISC (a, b), XMISCTYPE (a) = Lisp_Misc_Marker)
515 /* Pseudovector types. */
517 #define XSETPSEUDOVECTOR(a, b, code) \
518 (XSETVECTOR (a, b), XVECTOR (a)->size |= PSEUDOVECTOR_FLAG | (code))
519 #define XSETWINDOW_CONFIGURATION(a, b) \
520 (XSETPSEUDOVECTOR (a, b, PVEC_WINDOW_CONFIGURATION))
521 #define XSETPROCESS(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_PROCESS))
522 #define XSETWINDOW(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_WINDOW))
523 #define XSETSUBR(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_SUBR))
524 #define XSETCOMPILED(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_COMPILED))
525 #define XSETBUFFER(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_BUFFER))
526 #define XSETCHAR_TABLE(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_CHAR_TABLE))
527 #define XSETBOOL_VECTOR(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_BOOL_VECTOR))
529 /* Convenience macros for dealing with Lisp arrays. */
531 #define AREF(ARRAY, IDX) XVECTOR ((ARRAY))->contents[IDX]
532 #define ASET(ARRAY, IDX, VAL) (AREF ((ARRAY), (IDX)) = (VAL))
533 #define ASIZE(ARRAY) XVECTOR ((ARRAY))->size
535 /* Convenience macros for dealing with Lisp strings. */
537 #define SREF(string, index) (XSTRING (string)->data[index] + 0)
538 #define SSET(string, index, new) (XSTRING (string)->data[index] = (new))
539 #define SDATA(string) (XSTRING (string)->data + 0)
540 #define SCHARS(string) (XSTRING (string)->size + 0)
541 #define SBYTES(string) (STRING_BYTES (XSTRING (string)) + 0)
543 #define STRING_SET_CHARS(string, newsize) \
544 (XSTRING (string)->size = (newsize))
546 #define STRING_COPYIN(string, index, new, count) \
547 bcopy (new, XSTRING (string)->data + index, count)
550 /* See the macros in intervals.h. */
552 typedef struct interval
*INTERVAL
;
554 /* Complain if object is not string or buffer type */
555 #define CHECK_STRING_OR_BUFFER(x) \
556 { if (!STRINGP ((x)) && !BUFFERP ((x))) \
557 x = wrong_type_argument (Qbuffer_or_string_p, (x)); }
559 /* In a cons, the markbit of the car is the gc mark bit */
563 /* Please do not use the names of these elements in code other
564 than the core lisp implementation. Use XCAR and XCDR below. */
565 #ifdef HIDE_LISP_IMPLEMENTATION
566 Lisp_Object car_
, cdr_
;
568 Lisp_Object car
, cdr
;
572 /* Take the car or cdr of something known to be a cons cell. */
573 /* The _AS_LVALUE macros shouldn't be used outside of the minimal set
574 of code that has to know what a cons cell looks like. Other code not
575 part of the basic lisp implementation should assume that the car and cdr
576 fields are not accessible as lvalues. (What if we want to switch to
577 a copying collector someday? Cached cons cell field addresses may be
578 invalidated at arbitrary points.) */
579 #ifdef HIDE_LISP_IMPLEMENTATION
580 #define XCAR_AS_LVALUE(c) (XCONS ((c))->car_)
581 #define XCDR_AS_LVALUE(c) (XCONS ((c))->cdr_)
583 #define XCAR_AS_LVALUE(c) (XCONS ((c))->car)
584 #define XCDR_AS_LVALUE(c) (XCONS ((c))->cdr)
587 /* Use these from normal code. */
588 #define XCAR(c) LISP_MAKE_RVALUE(XCAR_AS_LVALUE(c))
589 #define XCDR(c) LISP_MAKE_RVALUE(XCDR_AS_LVALUE(c))
591 /* Use these to set the fields of a cons cell.
593 Note that both arguments may refer to the same object, so 'n'
594 should not be read after 'c' is first modified. Also, neither
595 argument should be evaluated more than once; side effects are
596 especially common in the second argument. */
597 #define XSETCAR(c,n) (XCAR_AS_LVALUE(c) = (n))
598 #define XSETCDR(c,n) (XCDR_AS_LVALUE(c) = (n))
600 /* For performance: Fast storage of positive integers into the
601 fields of a cons cell. See above caveats. */
602 #define XSETCARFASTINT(c,n) XSETFASTINT(XCAR_AS_LVALUE(c),(n))
603 #define XSETCDRFASTINT(c,n) XSETFASTINT(XCDR_AS_LVALUE(c),(n))
605 /* Take the car or cdr of something whose type is not known. */
607 (CONSP ((c)) ? XCAR ((c)) \
608 : NILP ((c)) ? Qnil \
609 : wrong_type_argument (Qlistp, (c)))
612 (CONSP ((c)) ? XCDR ((c)) \
613 : NILP ((c)) ? Qnil \
614 : wrong_type_argument (Qlistp, (c)))
616 /* Nonzero if STR is a multibyte string. */
617 #define STRING_MULTIBYTE(STR) \
618 (XSTRING (STR)->size_byte >= 0)
620 /* Return the length in bytes of STR. */
622 #ifdef GC_CHECK_STRING_BYTES
625 extern int string_bytes
P_ ((struct Lisp_String
*));
626 #define STRING_BYTES(S) string_bytes ((S))
628 #else /* not GC_CHECK_STRING_BYTES */
630 #define STRING_BYTES(STR) \
631 ((STR)->size_byte < 0 ? (STR)->size : (STR)->size_byte)
633 #endif /* not GC_CHECK_STRING_BYTES */
635 /* Mark STR as a unibyte string. */
636 #define STRING_SET_UNIBYTE(STR) (XSTRING (STR)->size_byte = -1)
638 /* Get text properties. */
639 #define STRING_INTERVALS(STR) (XSTRING (STR)->intervals + 0)
641 /* Set text properties. */
642 #define STRING_SET_INTERVALS(STR, INT) (XSTRING (STR)->intervals = (INT))
644 /* In a string or vector, the sign bit of the `size' is the gc mark bit */
650 INTERVAL intervals
; /* text properties in this string */
654 /* If a struct is made to look like a vector, this macro returns the length
655 of the shortest vector that would hold that struct. */
656 #define VECSIZE(type) ((sizeof (type) - (sizeof (struct Lisp_Vector) \
657 - sizeof (Lisp_Object)) \
658 + sizeof(Lisp_Object) - 1) /* round up */ \
659 / sizeof (Lisp_Object))
664 struct Lisp_Vector
*next
;
665 Lisp_Object contents
[1];
668 /* A char table is a kind of vectorlike, with contents are like a
669 vector but with a few other slots. For some purposes, it makes
670 sense to handle a chartable with type struct Lisp_Vector. An
671 element of a char table can be any Lisp objects, but if it is a sub
672 char-table, we treat it a table that contains information of a
673 group of characters of the same charsets or a specific character of
674 a charset. A sub char-table has the same structure as a char table
675 except for that the former omits several slots at the tail. A sub
676 char table appears only in an element of a char table, and there's
677 no way to access it directly from Emacs Lisp program. */
679 /* This is the number of slots that apply to characters or character
680 sets. The first 128 are for ASCII, the next 128 are for 8-bit
681 European characters, and the last 128 are for multibyte characters.
682 The first 256 are indexed by the code itself, but the last 128 are
683 indexed by (charset-id + 128). */
684 #define CHAR_TABLE_ORDINARY_SLOTS 384
686 /* This is the number of slots that apply to characters of ASCII and
687 8-bit Europeans only. */
688 #define CHAR_TABLE_SINGLE_BYTE_SLOTS 256
690 /* This is the number of slots that every char table must have. This
691 counts the ordinary slots and the top, defalt, parent, and purpose
693 #define CHAR_TABLE_STANDARD_SLOTS (CHAR_TABLE_ORDINARY_SLOTS + 4)
695 /* This is the number of slots that apply to position-code-1 and
696 position-code-2 of a multibyte character at the 2nd and 3rd level
697 sub char tables respectively. */
698 #define SUB_CHAR_TABLE_ORDINARY_SLOTS 128
700 /* This is the number of slots that every sub char table must have.
701 This counts the ordinary slots and the top and defalt slot. */
702 #define SUB_CHAR_TABLE_STANDARD_SLOTS (SUB_CHAR_TABLE_ORDINARY_SLOTS + 2)
704 /* Return the number of "extra" slots in the char table CT. */
706 #define CHAR_TABLE_EXTRA_SLOTS(CT) \
707 (((CT)->size & PSEUDOVECTOR_SIZE_MASK) - CHAR_TABLE_STANDARD_SLOTS)
709 /* Almost equivalent to Faref (CT, IDX) with optimization for ASCII
710 and 8-bit Europeans characters. For these characters, do not check
711 validity of CT. Do not follow parent. */
712 #define CHAR_TABLE_REF(CT, IDX) \
713 ((IDX) >= 0 && (IDX) < CHAR_TABLE_SINGLE_BYTE_SLOTS \
714 ? (!NILP (XCHAR_TABLE (CT)->contents[IDX]) \
715 ? XCHAR_TABLE (CT)->contents[IDX] \
716 : XCHAR_TABLE (CT)->defalt) \
717 : Faref (CT, make_number (IDX)))
719 /* Almost equivalent to Faref (CT, IDX) with optimization for ASCII
720 and 8-bit Europeans characters. However, if the result is nil,
723 For these characters, do not check validity of CT
724 and do not follow parent. */
725 #define CHAR_TABLE_TRANSLATE(CT, IDX) \
726 ((IDX) < CHAR_TABLE_SINGLE_BYTE_SLOTS \
727 ? (!NILP (XCHAR_TABLE (CT)->contents[IDX]) \
728 ? XINT (XCHAR_TABLE (CT)->contents[IDX]) \
730 : char_table_translate (CT, IDX))
732 /* Equivalent to Faset (CT, IDX, VAL) with optimization for ASCII and
733 8-bit Europeans characters. Do not check validity of CT. */
734 #define CHAR_TABLE_SET(CT, IDX, VAL) \
736 if (XFASTINT (IDX) < CHAR_TABLE_SINGLE_BYTE_SLOTS) \
737 XCHAR_TABLE (CT)->contents[XFASTINT (IDX)] = VAL; \
739 Faset (CT, IDX, VAL); \
742 struct Lisp_Char_Table
744 /* This is the vector's size field, which also holds the
745 pseudovector type information. It holds the size, too.
746 The size counts the top, defalt, purpose, and parent slots.
747 The last three are not counted if this is a sub char table. */
749 struct Lisp_Vector
*next
;
750 /* This holds a flag to tell if this is a top level char table (t)
751 or a sub char table (nil). */
753 /* This holds a default value,
754 which is used whenever the value for a specific character is nil. */
756 /* This holds an actual value of each element. A sub char table
757 has only SUB_CHAR_TABLE_ORDINARY_SLOTS number of elements. */
758 Lisp_Object contents
[CHAR_TABLE_ORDINARY_SLOTS
];
760 /* A sub char table doesn't has the following slots. */
762 /* This points to another char table, which we inherit from
763 when the value for a specific character is nil.
764 The `defalt' slot takes precedence over this. */
766 /* This should be a symbol which says what kind of use
767 this char-table is meant for.
768 Typically now the values can be `syntax-table' and `display-table'. */
770 /* These hold additional data. */
771 Lisp_Object extras
[1];
774 /* A boolvector is a kind of vectorlike, with contents are like a string. */
775 struct Lisp_Bool_Vector
777 /* This is the vector's size field. It doesn't have the real size,
778 just the subtype information. */
779 EMACS_INT vector_size
;
780 struct Lisp_Vector
*next
;
781 /* This is the size in bits. */
783 /* This contains the actual bits, packed into bytes. */
784 unsigned char data
[1];
787 /* This structure describes a built-in function.
788 It is generated by the DEFUN macro only.
789 defsubr makes it into a Lisp object.
791 This type is treated in most respects as a pseudovector,
792 but since we never dynamically allocate or free them,
793 we don't need a next-vector field. */
798 Lisp_Object (*function
) ();
799 short min_args
, max_args
;
806 /***********************************************************************
808 ***********************************************************************/
810 /* Interned state of a symbol. */
814 SYMBOL_UNINTERNED
= 0,
816 SYMBOL_INTERNED_IN_INITIAL_OBARRAY
= 2
819 /* In a symbol, the markbit of the plist is used as the gc mark bit */
823 unsigned gcmarkbit
: 1;
825 /* Non-zero means symbol serves as a variable alias. The symbol
826 holding the real value is found in the value slot. */
827 unsigned indirect_variable
: 1;
829 /* Non-zero means symbol is constant, i.e. changing its value
830 should signal an error. */
831 unsigned constant
: 1;
833 /* Interned state of the symbol. This is an enumerator from
834 enum symbol_interned. */
835 unsigned interned
: 2;
837 /* The symbol's name, as a Lisp string.
839 The name "xname" is used to intentionally break code referring to
840 the old field "name" of type pointer to struct Lisp_String. */
843 /* Value of the symbol or Qunbound if unbound. If this symbol is a
844 defvaralias, `value' contains the symbol for which it is an
845 alias. Use the SYMBOL_VALUE and SET_SYMBOL_VALUE macros to get
846 and set a symbol's value, to take defvaralias into account. */
849 /* Function value of the symbol or Qunbound if not fboundp. */
850 Lisp_Object function
;
852 /* The symbol's property list. */
855 /* Next symbol in obarray bucket, if the symbol is interned. */
856 struct Lisp_Symbol
*next
;
859 /* Value is name of symbol. */
861 #define SYMBOL_NAME(sym) \
862 LISP_MAKE_RVALUE (XSYMBOL (sym)->xname)
864 /* Value is non-zero if SYM is an interned symbol. */
866 #define SYMBOL_INTERNED_P(sym) \
867 (XSYMBOL (sym)->interned != SYMBOL_UNINTERNED)
869 /* Value is non-zero if SYM is interned in initial_obarray. */
871 #define SYMBOL_INTERNED_IN_INITIAL_OBARRAY_P(sym) \
872 (XSYMBOL (sym)->interned == SYMBOL_INTERNED_IN_INITIAL_OBARRAY)
874 /* Value is non-zero if symbol is considered a constant, i.e. its
875 value cannot be changed (there is an exception for keyword symbols,
876 whose value can be set to the keyword symbol itself). */
878 #define SYMBOL_CONSTANT_P(sym) XSYMBOL (sym)->constant
880 /* Value is the value of SYM, with defvaralias taken into
883 #define SYMBOL_VALUE(sym) \
884 (XSYMBOL (sym)->indirect_variable \
885 ? XSYMBOL (indirect_variable (sym))->value \
886 : XSYMBOL (sym)->value)
888 /* Set SYM's value to VAL, taking defvaralias into account. */
890 #define SET_SYMBOL_VALUE(sym, val) \
892 if (XSYMBOL (sym)->indirect_variable) \
893 XSYMBOL (indirect_variable ((sym)))->value = (val); \
895 XSYMBOL (sym)->value = (val); \
899 /***********************************************************************
901 ***********************************************************************/
903 /* The structure of a Lisp hash table. */
905 struct Lisp_Hash_Table
907 /* Vector fields. The hash table code doesn't refer to these. */
909 struct Lisp_Vector
*vec_next
;
911 /* Function used to compare keys. */
914 /* Nil if table is non-weak. Otherwise a symbol describing the
915 weakness of the table. */
918 /* When the table is resized, and this is an integer, compute the
919 new size by adding this to the old size. If a float, compute the
920 new size by multiplying the old size with this factor. */
921 Lisp_Object rehash_size
;
923 /* Resize hash table when number of entries/ table size is >= this
925 Lisp_Object rehash_threshold
;
927 /* Number of key/value entries in the table. */
930 /* Vector of keys and values. The key of item I is found at index
931 2 * I, the value is found at index 2 * I + 1. */
932 Lisp_Object key_and_value
;
934 /* Vector of hash codes.. If hash[I] is nil, this means that that
935 entry I is unused. */
938 /* Vector used to chain entries. If entry I is free, next[I] is the
939 entry number of the next free item. If entry I is non-free,
940 next[I] is the index of the next entry in the collision chain. */
943 /* Index of first free entry in free list. */
944 Lisp_Object next_free
;
946 /* Bucket vector. A non-nil entry is the index of the first item in
947 a collision chain. This vector's size can be larger than the
948 hash table size to reduce collisions. */
951 /* Next weak hash table if this is a weak hash table. The head
952 of the list is in Vweak_hash_tables. */
953 Lisp_Object next_weak
;
955 /* User-supplied hash function, or nil. */
956 Lisp_Object user_hash_function
;
958 /* User-supplied key comparison function, or nil. */
959 Lisp_Object user_cmp_function
;
961 /* C function to compare two keys. */
962 int (* cmpfn
) P_ ((struct Lisp_Hash_Table
*, Lisp_Object
,
963 unsigned, Lisp_Object
, unsigned));
965 /* C function to compute hash code. */
966 unsigned (* hashfn
) P_ ((struct Lisp_Hash_Table
*, Lisp_Object
));
970 #define XHASH_TABLE(OBJ) \
971 ((struct Lisp_Hash_Table *) XPNTR (OBJ))
973 #define XSET_HASH_TABLE(VAR, PTR) \
974 (XSETPSEUDOVECTOR (VAR, PTR, PVEC_HASH_TABLE))
976 #define HASH_TABLE_P(OBJ) PSEUDOVECTORP (OBJ, PVEC_HASH_TABLE)
977 #define GC_HASH_TABLE_P(x) GC_PSEUDOVECTORP (x, PVEC_HASH_TABLE)
979 #define CHECK_HASH_TABLE(x) \
982 if (!HASH_TABLE_P ((x))) \
983 x = wrong_type_argument (Qhash_table_p, (x)); \
987 /* Value is the key part of entry IDX in hash table H. */
989 #define HASH_KEY(H, IDX) AREF ((H)->key_and_value, 2 * (IDX))
991 /* Value is the value part of entry IDX in hash table H. */
993 #define HASH_VALUE(H, IDX) AREF ((H)->key_and_value, 2 * (IDX) + 1)
995 /* Value is the index of the next entry following the one at IDX
998 #define HASH_NEXT(H, IDX) AREF ((H)->next, (IDX))
1000 /* Value is the hash code computed for entry IDX in hash table H. */
1002 #define HASH_HASH(H, IDX) AREF ((H)->hash, (IDX))
1004 /* Value is the index of the element in hash table H that is the
1005 start of the collision list at index IDX in the index vector of H. */
1007 #define HASH_INDEX(H, IDX) AREF ((H)->index, (IDX))
1009 /* Value is the size of hash table H. */
1011 #define HASH_TABLE_SIZE(H) XVECTOR ((H)->next)->size
1013 /* Default size for hash tables if not specified. */
1015 #define DEFAULT_HASH_SIZE 65
1017 /* Default threshold specifying when to resize a hash table. The
1018 value gives the ratio of current entries in the hash table and the
1019 size of the hash table. */
1021 #define DEFAULT_REHASH_THRESHOLD 0.8
1023 /* Default factor by which to increase the size of a hash table. */
1025 #define DEFAULT_REHASH_SIZE 1.5
1028 /* These structures are used for various misc types. */
1030 /* A miscellaneous object, when it's on the free list. */
1033 int type
: 16; /* = Lisp_Misc_Free */
1034 unsigned gcmarkbit
: 1;
1036 union Lisp_Misc
*chain
;
1041 int type
: 16; /* = Lisp_Misc_Marker */
1042 unsigned gcmarkbit
: 1;
1044 /* 1 means normal insertion at the marker's position
1045 leaves the marker after the inserted text. */
1046 unsigned int insertion_type
: 1;
1047 /* This is the buffer that the marker points into,
1048 or 0 if it points nowhere. */
1049 struct buffer
*buffer
;
1051 /* The remaining fields are meaningless in a marker that
1052 does not point anywhere. */
1054 /* For markers that point somewhere,
1055 this is used to chain of all the markers in a given buffer. */
1056 struct Lisp_Marker
*next
;
1057 /* This is the char position where the marker points. */
1059 /* This is the byte position. */
1063 /* Forwarding pointer to an int variable.
1064 This is allowed only in the value cell of a symbol,
1065 and it means that the symbol's value really lives in the
1066 specified int variable. */
1069 int type
: 16; /* = Lisp_Misc_Intfwd */
1070 unsigned gcmarkbit
: 1;
1075 /* Boolean forwarding pointer to an int variable.
1076 This is like Lisp_Intfwd except that the ostensible
1077 "value" of the symbol is t if the int variable is nonzero,
1078 nil if it is zero. */
1081 int type
: 16; /* = Lisp_Misc_Boolfwd */
1082 unsigned gcmarkbit
: 1;
1087 /* Forwarding pointer to a Lisp_Object variable.
1088 This is allowed only in the value cell of a symbol,
1089 and it means that the symbol's value really lives in the
1090 specified variable. */
1093 int type
: 16; /* = Lisp_Misc_Objfwd */
1094 unsigned gcmarkbit
: 1;
1096 Lisp_Object
*objvar
;
1099 /* Like Lisp_Objfwd except that value lives in a slot in the
1100 current buffer. Value is byte index of slot within buffer. */
1101 struct Lisp_Buffer_Objfwd
1103 int type
: 16; /* = Lisp_Misc_Buffer_Objfwd */
1104 unsigned gcmarkbit
: 1;
1109 /* struct Lisp_Buffer_Local_Value is used in a symbol value cell when
1110 the symbol has buffer-local or frame-local bindings. (Exception:
1111 some buffer-local variables are built-in, with their values stored
1112 in the buffer structure itself. They are handled differently,
1113 using struct Lisp_Buffer_Objfwd.)
1115 The `realvalue' slot holds the variable's current value, or a
1116 forwarding pointer to where that value is kept. This value is the
1117 one that corresponds to the loaded binding. To read or set the
1118 variable, you must first make sure the right binding is loaded;
1119 then you can access the value in (or through) `realvalue'.
1121 `buffer' and `frame' are the buffer and frame for which the loaded
1122 binding was found. If those have changed, to make sure the right
1123 binding is loaded it is necessary to find which binding goes with
1124 the current buffer and selected frame, then load it. To load it,
1125 first unload the previous binding, then copy the value of the new
1126 binding into `realvalue' (or through it). Also update
1127 LOADED-BINDING to point to the newly loaded binding.
1129 Lisp_Misc_Buffer_Local_Value and Lisp_Misc_Some_Buffer_Local_Value
1130 both use this kind of structure. With the former, merely setting
1131 the variable creates a local binding for the current buffer. With
1132 the latter, setting the variable does not do that; only
1133 make-local-variable does that. */
1135 struct Lisp_Buffer_Local_Value
1137 int type
: 16; /* = Lisp_Misc_Buffer_Local_Value
1138 or Lisp_Misc_Some_Buffer_Local_Value */
1139 unsigned gcmarkbit
: 1;
1142 /* 1 means this variable is allowed to have frame-local bindings,
1143 so check for them when looking for the proper binding. */
1144 unsigned int check_frame
: 1;
1145 /* 1 means that the binding now loaded was found
1146 as a local binding for the buffer in the `buffer' slot. */
1147 unsigned int found_for_buffer
: 1;
1148 /* 1 means that the binding now loaded was found
1149 as a local binding for the frame in the `frame' slot. */
1150 unsigned int found_for_frame
: 1;
1151 Lisp_Object realvalue
;
1152 /* The buffer and frame for which the loaded binding was found. */
1153 Lisp_Object buffer
, frame
;
1155 /* A cons cell, (LOADED-BINDING . DEFAULT-VALUE).
1157 LOADED-BINDING is the binding now loaded. It is a cons cell
1158 whose cdr is the binding's value. The cons cell may be an
1159 element of a buffer's local-variable alist, or an element of a
1160 frame's parameter alist, or it may be this cons cell.
1162 DEFAULT-VALUE is the variable's default value, seen when the
1163 current buffer and selected frame do not have their own
1164 bindings for the variable. When the default binding is loaded,
1165 LOADED-BINDING is actually this very cons cell; thus, its car
1166 points to itself. */
1170 /* START and END are markers in the overlay's buffer, and
1171 PLIST is the overlay's property list. */
1174 int type
: 16; /* = Lisp_Misc_Overlay */
1175 unsigned gcmarkbit
: 1;
1177 struct Lisp_Overlay
*next
;
1178 Lisp_Object start
, end
, plist
;
1181 /* Like Lisp_Objfwd except that value lives in a slot in the
1183 struct Lisp_Kboard_Objfwd
1185 int type
: 16; /* = Lisp_Misc_Kboard_Objfwd */
1186 unsigned gcmarkbit
: 1;
1191 /* Hold a C pointer for later use.
1192 This type of object is used in the arg to record_unwind_protect. */
1193 struct Lisp_Save_Value
1195 int type
: 16; /* = Lisp_Misc_Save_Value */
1196 unsigned gcmarkbit
: 1;
1203 /* To get the type field of a union Lisp_Misc, use XMISCTYPE.
1204 It uses one of these struct subtypes to get the type field. */
1208 struct Lisp_Free u_free
;
1209 struct Lisp_Marker u_marker
;
1210 struct Lisp_Intfwd u_intfwd
;
1211 struct Lisp_Boolfwd u_boolfwd
;
1212 struct Lisp_Objfwd u_objfwd
;
1213 struct Lisp_Buffer_Objfwd u_buffer_objfwd
;
1214 struct Lisp_Buffer_Local_Value u_buffer_local_value
;
1215 struct Lisp_Overlay u_overlay
;
1216 struct Lisp_Kboard_Objfwd u_kboard_objfwd
;
1217 struct Lisp_Save_Value u_save_value
;
1220 /* Lisp floating point type */
1223 #ifdef HIDE_LISP_IMPLEMENTATION
1230 #ifdef HIDE_LISP_IMPLEMENTATION
1231 #define XFLOAT_DATA(f) (XFLOAT (f)->data_)
1233 #define XFLOAT_DATA(f) (XFLOAT (f)->data)
1236 /* A character, declared with the following typedef, is a member
1237 of some character set associated with the current buffer. */
1238 #ifndef _UCHAR_T /* Protect against something in ctab.h on AIX. */
1240 typedef unsigned char UCHAR
;
1243 /* Meanings of slots in a Lisp_Compiled: */
1245 #define COMPILED_ARGLIST 0
1246 #define COMPILED_BYTECODE 1
1247 #define COMPILED_CONSTANTS 2
1248 #define COMPILED_STACK_DEPTH 3
1249 #define COMPILED_DOC_STRING 4
1250 #define COMPILED_INTERACTIVE 5
1252 /* Flag bits in a character. These also get used in termhooks.h.
1253 Richard Stallman <rms@gnu.ai.mit.edu> thinks that MULE
1254 (MUlti-Lingual Emacs) might need 22 bits for the character value
1255 itself, so we probably shouldn't use any bits lower than 0x0400000. */
1256 #define CHAR_ALT (0x0400000)
1257 #define CHAR_SUPER (0x0800000)
1258 #define CHAR_HYPER (0x1000000)
1259 #define CHAR_SHIFT (0x2000000)
1260 #define CHAR_CTL (0x4000000)
1261 #define CHAR_META (0x8000000)
1263 #define CHAR_MODIFIER_MASK \
1264 (CHAR_ALT | CHAR_SUPER | CHAR_HYPER | CHAR_SHIFT | CHAR_CTL | CHAR_META)
1267 /* Actually, the current Emacs uses 19 bits for the character value
1269 #define CHARACTERBITS 19
1271 /* The maximum byte size consumed by push_key_description.
1272 All callers should assure that at least this size of memory is
1273 allocated at the place pointed by the second argument.
1275 Thers are 6 modifiers, each consumes 2 chars.
1276 The octal form of a character code consumes
1277 (1 + CHARACTERBITS / 3 + 1) chars (including backslash at the head).
1278 We need one more byte for string terminator `\0'. */
1279 #define KEY_DESCRIPTION_SIZE ((2 * 6) + 1 + (CHARACTERBITS / 3) + 1 + 1)
1281 #ifdef USE_X_TOOLKIT
1282 #ifdef NO_UNION_TYPE
1283 /* Use this for turning a (void *) into a Lisp_Object, as when the
1284 Lisp_Object is passed into a toolkit callback function. */
1285 #define VOID_TO_LISP(larg,varg) \
1286 do { ((larg) = ((Lisp_Object) (varg))); } while (0)
1287 #define CVOID_TO_LISP VOID_TO_LISP
1289 /* Use this for turning a Lisp_Object into a (void *), as when the
1290 Lisp_Object is passed into a toolkit callback function. */
1291 #define LISP_TO_VOID(larg) ((void *) (larg))
1292 #define LISP_TO_CVOID(varg) ((const void *) (larg))
1294 #else /* not NO_UNION_TYPE */
1295 /* Use this for turning a (void *) into a Lisp_Object, as when the
1296 Lisp_Object is passed into a toolkit callback function. */
1297 #define VOID_TO_LISP(larg,varg) \
1298 do { ((larg).v = (void *) (varg)); } while (0)
1299 #define CVOID_TO_LISP(larg,varg) \
1300 do { ((larg).cv = (const void *) (varg)); } while (0)
1302 /* Use this for turning a Lisp_Object into a (void *), as when the
1303 Lisp_Object is passed into a toolkit callback function. */
1304 #define LISP_TO_VOID(larg) ((larg).v)
1305 #define LISP_TO_CVOID(larg) ((larg).cv)
1306 #endif /* not NO_UNION_TYPE */
1307 #endif /* USE_X_TOOLKIT */
1310 /* The glyph datatype, used to represent characters on the display. */
1312 /* Glyph code to use as an index to the glyph table. If it is out of
1313 range for the glyph table, or the corresonding element in the table
1314 is nil, the low 8 bits are the single byte character code, and the
1315 bits above are the numeric face ID. If FID is the face ID of a
1316 glyph on a frame F, then F->display.x->faces[FID] contains the
1317 description of that face. This is an int instead of a short, so we
1318 can support a good bunch of face ID's (2^(31 - 8)); given that we
1319 have no mechanism for tossing unused frame face ID's yet, we'll
1320 probably run out of 255 pretty quickly.
1321 This is always -1 for a multibyte character. */
1324 /* Mask bits for face. */
1325 #define GLYPH_MASK_FACE 0x7FF80000
1326 /* Mask bits for character code. */
1327 #define GLYPH_MASK_CHAR 0x0007FFFF /* The lowest 19 bits */
1329 /* The FAST macros assume that we already know we're in an X window. */
1331 /* Set a character code and a face ID in a glyph G. */
1332 #define FAST_MAKE_GLYPH(char, face) ((char) | ((face) << CHARACTERBITS))
1334 /* Return a glyph's character code. */
1335 #define FAST_GLYPH_CHAR(glyph) ((glyph) & GLYPH_MASK_CHAR)
1337 /* Return a glyph's face ID. */
1338 #define FAST_GLYPH_FACE(glyph) (((glyph) & GLYPH_MASK_FACE) >> CHARACTERBITS)
1340 /* Slower versions that test the frame type first. */
1341 #define MAKE_GLYPH(f, char, face) (FAST_MAKE_GLYPH (char, face))
1342 #define GLYPH_CHAR(f, g) (FAST_GLYPH_CHAR (g))
1343 #define GLYPH_FACE(f, g) (FAST_GLYPH_FACE (g))
1345 /* Return 1 iff GLYPH contains valid character code. */
1346 #define GLYPH_CHAR_VALID_P(glyph) CHAR_VALID_P (FAST_GLYPH_CHAR (glyph), 1)
1348 /* The ID of the mode line highlighting face. */
1349 #define GLYPH_MODE_LINE_FACE 1
1351 /* Data type checking */
1353 #define NILP(x) (XFASTINT (x) == XFASTINT (Qnil))
1354 #define GC_NILP(x) GC_EQ (x, Qnil)
1356 #define NUMBERP(x) (INTEGERP (x) || FLOATP (x))
1357 #define GC_NUMBERP(x) (GC_INTEGERP (x) || GC_FLOATP (x))
1358 #define NATNUMP(x) (INTEGERP (x) && XINT (x) >= 0)
1359 #define GC_NATNUMP(x) (GC_INTEGERP (x) && XINT (x) >= 0)
1361 #define INTEGERP(x) (XTYPE ((x)) == Lisp_Int)
1362 #define GC_INTEGERP(x) (XGCTYPE ((x)) == Lisp_Int)
1363 #define SYMBOLP(x) (XTYPE ((x)) == Lisp_Symbol)
1364 #define GC_SYMBOLP(x) (XGCTYPE ((x)) == Lisp_Symbol)
1365 #define MISCP(x) (XTYPE ((x)) == Lisp_Misc)
1366 #define GC_MISCP(x) (XGCTYPE ((x)) == Lisp_Misc)
1367 #define VECTORLIKEP(x) (XTYPE ((x)) == Lisp_Vectorlike)
1368 #define GC_VECTORLIKEP(x) (XGCTYPE ((x)) == Lisp_Vectorlike)
1369 #define STRINGP(x) (XTYPE ((x)) == Lisp_String)
1370 #define GC_STRINGP(x) (XGCTYPE ((x)) == Lisp_String)
1371 #define CONSP(x) (XTYPE ((x)) == Lisp_Cons)
1372 #define GC_CONSP(x) (XGCTYPE ((x)) == Lisp_Cons)
1374 #define FLOATP(x) (XTYPE ((x)) == Lisp_Float)
1375 #define GC_FLOATP(x) (XGCTYPE ((x)) == Lisp_Float)
1376 #define VECTORP(x) (VECTORLIKEP (x) && !(XVECTOR (x)->size & PSEUDOVECTOR_FLAG))
1377 #define GC_VECTORP(x) (GC_VECTORLIKEP (x) && !(XVECTOR (x)->size & PSEUDOVECTOR_FLAG))
1378 #define OVERLAYP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Overlay)
1379 #define GC_OVERLAYP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Overlay)
1380 #define MARKERP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Marker)
1381 #define GC_MARKERP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Marker)
1382 #define INTFWDP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Intfwd)
1383 #define GC_INTFWDP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Intfwd)
1384 #define BOOLFWDP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Boolfwd)
1385 #define GC_BOOLFWDP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Boolfwd)
1386 #define OBJFWDP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Objfwd)
1387 #define GC_OBJFWDP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Objfwd)
1388 #define BUFFER_OBJFWDP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Buffer_Objfwd)
1389 #define GC_BUFFER_OBJFWDP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Buffer_Objfwd)
1390 #define BUFFER_LOCAL_VALUEP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Buffer_Local_Value)
1391 #define GC_BUFFER_LOCAL_VALUEP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Buffer_Local_Value)
1392 #define SOME_BUFFER_LOCAL_VALUEP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Some_Buffer_Local_Value)
1393 #define GC_SOME_BUFFER_LOCAL_VALUEP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Some_Buffer_Local_Value)
1394 #define KBOARD_OBJFWDP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Kboard_Objfwd)
1395 #define GC_KBOARD_OBJFWDP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Kboard_Objfwd)
1398 /* True if object X is a pseudovector whose code is CODE. */
1399 #define PSEUDOVECTORP(x, code) \
1401 && (((XVECTOR (x)->size & (PSEUDOVECTOR_FLAG | (code)))) \
1402 == (PSEUDOVECTOR_FLAG | (code))))
1404 /* True if object X is a pseudovector whose code is CODE.
1405 This one works during GC. */
1406 #define GC_PSEUDOVECTORP(x, code) \
1407 (GC_VECTORLIKEP (x) \
1408 && (((XVECTOR (x)->size & (PSEUDOVECTOR_FLAG | (code)))) \
1409 == (PSEUDOVECTOR_FLAG | (code))))
1411 /* Test for specific pseudovector types. */
1412 #define WINDOW_CONFIGURATIONP(x) PSEUDOVECTORP (x, PVEC_WINDOW_CONFIGURATION)
1413 #define GC_WINDOW_CONFIGURATIONP(x) GC_PSEUDOVECTORP (x, PVEC_WINDOW_CONFIGURATION)
1414 #define PROCESSP(x) PSEUDOVECTORP (x, PVEC_PROCESS)
1415 #define GC_PROCESSP(x) GC_PSEUDOVECTORP (x, PVEC_PROCESS)
1416 #define WINDOWP(x) PSEUDOVECTORP (x, PVEC_WINDOW)
1417 #define GC_WINDOWP(x) GC_PSEUDOVECTORP (x, PVEC_WINDOW)
1418 #define SUBRP(x) PSEUDOVECTORP (x, PVEC_SUBR)
1419 #define GC_SUBRP(x) GC_PSEUDOVECTORP (x, PVEC_SUBR)
1420 #define COMPILEDP(x) PSEUDOVECTORP (x, PVEC_COMPILED)
1421 #define GC_COMPILEDP(x) GC_PSEUDOVECTORP (x, PVEC_COMPILED)
1422 #define BUFFERP(x) PSEUDOVECTORP (x, PVEC_BUFFER)
1423 #define GC_BUFFERP(x) GC_PSEUDOVECTORP (x, PVEC_BUFFER)
1424 #define CHAR_TABLE_P(x) PSEUDOVECTORP (x, PVEC_CHAR_TABLE)
1425 #define GC_CHAR_TABLE_P(x) GC_PSEUDOVECTORP (x, PVEC_CHAR_TABLE)
1426 #define BOOL_VECTOR_P(x) PSEUDOVECTORP (x, PVEC_BOOL_VECTOR)
1427 #define GC_BOOL_VECTOR_P(x) GC_PSEUDOVECTORP (x, PVEC_BOOL_VECTOR)
1428 #define FRAMEP(x) PSEUDOVECTORP (x, PVEC_FRAME)
1429 #define GC_FRAMEP(x) GC_PSEUDOVECTORP (x, PVEC_FRAME)
1431 #define SUB_CHAR_TABLE_P(x) (CHAR_TABLE_P (x) && NILP (XCHAR_TABLE (x)->top))
1433 #define EQ(x, y) (XFASTINT (x) == XFASTINT (y))
1434 #define GC_EQ(x, y) (XGCTYPE (x) == XGCTYPE (y) && XPNTR (x) == XPNTR (y))
1436 #define CHECK_LIST(x) \
1437 do { if (!CONSP ((x)) && !NILP (x)) x = wrong_type_argument (Qlistp, (x)); } while (0)
1439 #define CHECK_STRING(x) \
1440 do { if (!STRINGP ((x))) x = wrong_type_argument (Qstringp, (x)); } while (0)
1442 #define CHECK_STRING_CAR(x) \
1443 do { if (!STRINGP (XCAR (x))) XSETCAR (x, wrong_type_argument (Qstringp, XCAR (x))); } while (0)
1445 #define CHECK_CONS(x) \
1446 do { if (!CONSP ((x))) x = wrong_type_argument (Qconsp, (x)); } while (0)
1448 #define CHECK_SYMBOL(x) \
1449 do { if (!SYMBOLP ((x))) x = wrong_type_argument (Qsymbolp, (x)); } while (0)
1451 #define CHECK_CHAR_TABLE(x) \
1452 do { if (!CHAR_TABLE_P ((x))) \
1453 x = wrong_type_argument (Qchar_table_p, (x)); } while (0)
1455 #define CHECK_VECTOR(x) \
1456 do { if (!VECTORP ((x))) x = wrong_type_argument (Qvectorp, (x)); } while (0)
1458 #define CHECK_VECTOR_OR_CHAR_TABLE(x) \
1459 do { if (!VECTORP ((x)) && !CHAR_TABLE_P ((x))) \
1460 x = wrong_type_argument (Qvector_or_char_table_p, (x)); \
1463 #define CHECK_BUFFER(x) \
1464 do { if (!BUFFERP ((x))) x = wrong_type_argument (Qbufferp, (x)); } while (0)
1466 #define CHECK_WINDOW(x) \
1467 do { if (!WINDOWP ((x))) x = wrong_type_argument (Qwindowp, (x)); } while (0)
1469 /* This macro rejects windows on the interior of the window tree as
1470 "dead", which is what we want; this is an argument-checking macro, and
1471 the user should never get access to interior windows.
1473 A window of any sort, leaf or interior, is dead iff the buffer,
1474 vchild, and hchild members are all nil. */
1476 #define CHECK_LIVE_WINDOW(x) \
1478 if (!WINDOWP ((x)) \
1479 || NILP (XWINDOW ((x))->buffer)) \
1480 x = wrong_type_argument (Qwindow_live_p, (x)); \
1483 #define CHECK_PROCESS(x) \
1484 do { if (!PROCESSP ((x))) x = wrong_type_argument (Qprocessp, (x)); } while (0)
1486 #define CHECK_NUMBER(x) \
1487 do { if (!INTEGERP ((x))) x = wrong_type_argument (Qintegerp, (x)); } while (0)
1489 #define CHECK_NATNUM(x) \
1490 do { if (!NATNUMP (x)) x = wrong_type_argument (Qwholenump, (x)); } while (0)
1492 #define CHECK_MARKER(x) \
1493 do { if (!MARKERP ((x))) x = wrong_type_argument (Qmarkerp, (x)); } while (0)
1495 #define CHECK_NUMBER_COERCE_MARKER(x) \
1496 do { if (MARKERP ((x))) XSETFASTINT (x, marker_position (x)); \
1497 else if (!INTEGERP ((x))) x = wrong_type_argument (Qinteger_or_marker_p, (x)); } while (0)
1499 #define XFLOATINT(n) extract_float((n))
1501 #define CHECK_FLOAT(x) \
1502 do { if (!FLOATP (x)) \
1503 x = wrong_type_argument (Qfloatp, (x)); } while (0)
1505 #define CHECK_NUMBER_OR_FLOAT(x) \
1506 do { if (!FLOATP (x) && !INTEGERP (x)) \
1507 x = wrong_type_argument (Qnumberp, (x)); } while (0)
1509 #define CHECK_NUMBER_OR_FLOAT_COERCE_MARKER(x) \
1510 do { if (MARKERP (x)) XSETFASTINT (x, marker_position (x)); \
1511 else if (!INTEGERP (x) && !FLOATP (x)) \
1512 x = wrong_type_argument (Qnumber_or_marker_p, (x)); } while (0)
1514 #define CHECK_OVERLAY(x) \
1515 do { if (!OVERLAYP ((x))) x = wrong_type_argument (Qoverlayp, (x));} while (0)
1517 /* Since we can't assign directly to the CAR or CDR fields of a cons
1518 cell, use these when checking that those fields contain numbers. */
1519 #define CHECK_NUMBER_CAR(x) \
1521 Lisp_Object tmp = XCAR (x); \
1522 CHECK_NUMBER (tmp); \
1523 XSETCAR ((x), tmp); \
1526 #define CHECK_NUMBER_CDR(x) \
1528 Lisp_Object tmp = XCDR (x); \
1529 CHECK_NUMBER (tmp); \
1530 XSETCDR ((x), tmp); \
1533 /* Cast pointers to this type to compare them. Some machines want int. */
1534 #ifndef PNTR_COMPARISON_TYPE
1535 #define PNTR_COMPARISON_TYPE EMACS_UINT
1538 /* Define a built-in function for calling from Lisp.
1539 `lname' should be the name to give the function in Lisp,
1540 as a null-terminated C string.
1541 `fnname' should be the name of the function in C.
1542 By convention, it starts with F.
1543 `sname' should be the name for the C constant structure
1544 that records information on this function for internal use.
1545 By convention, it should be the same as `fnname' but with S instead of F.
1546 It's too bad that C macros can't compute this from `fnname'.
1547 `minargs' should be a number, the minimum number of arguments allowed.
1548 `maxargs' should be a number, the maximum number of arguments allowed,
1549 or else MANY or UNEVALLED.
1550 MANY means pass a vector of evaluated arguments,
1551 in the form of an integer number-of-arguments
1552 followed by the address of a vector of Lisp_Objects
1553 which contains the argument values.
1554 UNEVALLED means pass the list of unevaluated arguments
1555 `prompt' says how to read arguments for an interactive call.
1556 See the doc string for `interactive'.
1557 A null string means call interactively with no arguments.
1558 `doc' is documentation for the user. */
1560 #if (!defined (__STDC__) && !defined (PROTOTYPES)) \
1561 || defined (USE_NONANSI_DEFUN)
1563 #define DEFUN(lname, fnname, sname, minargs, maxargs, prompt, doc) \
1564 Lisp_Object fnname (); \
1565 struct Lisp_Subr sname = \
1566 { PVEC_SUBR | (sizeof (struct Lisp_Subr) / sizeof (EMACS_INT)), \
1567 fnname, minargs, maxargs, lname, prompt, 0}; \
1572 /* This version of DEFUN declares a function prototype with the right
1573 arguments, so we can catch errors with maxargs at compile-time. */
1574 #define DEFUN(lname, fnname, sname, minargs, maxargs, prompt, doc) \
1575 Lisp_Object fnname DEFUN_ARGS_ ## maxargs ; \
1576 struct Lisp_Subr sname = \
1577 { PVEC_SUBR | (sizeof (struct Lisp_Subr) / sizeof (EMACS_INT)), \
1578 fnname, minargs, maxargs, lname, prompt, 0}; \
1581 /* Note that the weird token-substitution semantics of ANSI C makes
1582 this work for MANY and UNEVALLED. */
1583 #define DEFUN_ARGS_MANY (int, Lisp_Object *)
1584 #define DEFUN_ARGS_UNEVALLED (Lisp_Object)
1585 #define DEFUN_ARGS_0 (void)
1586 #define DEFUN_ARGS_1 (Lisp_Object)
1587 #define DEFUN_ARGS_2 (Lisp_Object, Lisp_Object)
1588 #define DEFUN_ARGS_3 (Lisp_Object, Lisp_Object, Lisp_Object)
1589 #define DEFUN_ARGS_4 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object)
1590 #define DEFUN_ARGS_5 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, \
1592 #define DEFUN_ARGS_6 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, \
1593 Lisp_Object, Lisp_Object)
1594 #define DEFUN_ARGS_7 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, \
1595 Lisp_Object, Lisp_Object, Lisp_Object)
1596 #define DEFUN_ARGS_8 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, \
1597 Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object)
1600 /* Non-zero if OBJ is a Lisp function. */
1602 #define FUNCTIONP(OBJ) \
1603 ((CONSP (OBJ) && EQ (XCAR (OBJ), Qlambda)) \
1604 || (SYMBOLP (OBJ) && !NILP (Ffboundp (OBJ))) \
1605 || COMPILEDP (OBJ) \
1609 is how we define the symbol for function `name' at start-up time. */
1610 extern void defsubr
P_ ((struct Lisp_Subr
*));
1613 #define UNEVALLED -1
1615 extern void defvar_lisp
P_ ((char *, Lisp_Object
*));
1616 extern void defvar_lisp_nopro
P_ ((char *, Lisp_Object
*));
1617 extern void defvar_bool
P_ ((char *, int *));
1618 extern void defvar_int
P_ ((char *, EMACS_INT
*));
1619 extern void defvar_per_buffer
P_ ((char *, Lisp_Object
*, Lisp_Object
, char *));
1620 extern void defvar_kboard
P_ ((char *, int));
1622 /* Macros we use to define forwarded Lisp variables.
1623 These are used in the syms_of_FILENAME functions. */
1625 #define DEFVAR_LISP(lname, vname, doc) defvar_lisp (lname, vname)
1626 #define DEFVAR_LISP_NOPRO(lname, vname, doc) defvar_lisp_nopro (lname, vname)
1627 #define DEFVAR_BOOL(lname, vname, doc) defvar_bool (lname, vname)
1628 #define DEFVAR_INT(lname, vname, doc) defvar_int (lname, vname)
1629 #define DEFVAR_PER_BUFFER(lname, vname, type, doc) \
1630 defvar_per_buffer (lname, vname, type, 0)
1631 #define DEFVAR_KBOARD(lname, vname, doc) \
1632 defvar_kboard (lname, \
1633 (int)((char *)(¤t_kboard->vname) \
1634 - (char *)current_kboard))
1638 /* Structure for recording Lisp call stack for backtrace purposes. */
1640 /* The special binding stack holds the outer values of variables while
1641 they are bound by a function application or a let form, stores the
1642 code to be executed for Lisp unwind-protect forms, and stores the C
1643 functions to be called for record_unwind_protect.
1645 If func is non-zero, undoing this binding applies func to old_value;
1646 This implements record_unwind_protect.
1648 Otherwise, the element is a variable binding.
1650 If the symbol field is a symbol, it is an ordinary variable binding.
1652 Otherwise, it should be a structure (SYMBOL WHERE
1653 . CURRENT-BUFFER), which means having bound a local value while
1654 CURRENT-BUFFER was active. If WHERE is nil this means we saw the
1655 default value when binding SYMBOL. WHERE being a buffer or frame
1656 means we saw a buffer-local or frame-local value. Other values of
1657 WHERE mean an internal error. */
1659 typedef Lisp_Object (*specbinding_func
) P_ ((Lisp_Object
));
1663 volatile Lisp_Object symbol
, old_value
;
1664 volatile specbinding_func func
;
1665 Lisp_Object unused
; /* Dividing by 16 is faster than by 12 */
1668 extern struct specbinding
*specpdl
;
1669 extern volatile struct specbinding
*specpdl_ptr
;
1670 extern int specpdl_size
;
1672 extern EMACS_INT max_specpdl_size
;
1674 #define SPECPDL_INDEX() (specpdl_ptr - specpdl)
1676 /* Everything needed to describe an active condition case. */
1679 /* The handler clauses and variable from the condition-case form. */
1680 /* For a handler set up in Lisp code, this is always a list.
1681 For an internal handler set up by internal_condition_case*,
1682 this can instead be the symbol t or `error'.
1683 t: handle all conditions.
1684 error: handle all conditions, and errors can run the debugger
1685 or display a backtrace. */
1686 Lisp_Object handler
;
1688 /* Fsignal stores here the condition-case clause that applies,
1689 and Fcondition_case thus knows which clause to run. */
1690 Lisp_Object chosen_clause
;
1692 /* Used to effect the longjump out to the handler. */
1693 struct catchtag
*tag
;
1695 /* The next enclosing handler. */
1696 struct handler
*next
;
1699 extern struct handler
*handlerlist
;
1701 extern struct catchtag
*catchlist
;
1702 extern struct backtrace
*backtrace_list
;
1704 extern Lisp_Object memory_signal_data
;
1706 /* An address near the bottom of the stack.
1707 Tells GC how to save a copy of the stack. */
1708 extern char *stack_bottom
;
1710 /* Check quit-flag and quit if it is non-nil.
1711 Typing C-g does not directly cause a quit; it only sets Vquit_flag.
1712 So the program needs to do QUIT at times when it is safe to quit.
1713 Every loop that might run for a long time or might not exit
1714 ought to do QUIT at least once, at a safe place.
1715 Unless that is impossible, of course.
1716 But it is very desirable to avoid creating loops where QUIT is impossible.
1718 Exception: if you set immediate_quit to nonzero,
1719 then the handler that responds to the C-g does the quit itself.
1720 This is a good thing to do around a loop that has no side effects
1721 and (in particular) cannot call arbitrary Lisp code. */
1725 if (!NILP (Vquit_flag) && NILP (Vinhibit_quit)) \
1727 Vquit_flag = Qnil; \
1728 Fsignal (Qquit, Qnil); \
1732 /* Nonzero if ought to quit now. */
1734 #define QUITP (!NILP (Vquit_flag) && NILP (Vinhibit_quit))
1736 /* Variables used locally in the following case handling macros. */
1737 extern int case_temp1
;
1738 extern Lisp_Object case_temp2
;
1740 /* Current buffer's map from characters to lower-case characters. */
1742 #define DOWNCASE_TABLE current_buffer->downcase_table
1744 /* Current buffer's map from characters to upper-case characters. */
1746 #define UPCASE_TABLE current_buffer->upcase_table
1748 /* Downcase a character, or make no change if that cannot be done. */
1750 #define DOWNCASE(CH) \
1751 ((case_temp1 = (CH), \
1752 case_temp2 = CHAR_TABLE_REF (DOWNCASE_TABLE, case_temp1), \
1753 NATNUMP (case_temp2)) \
1754 ? XFASTINT (case_temp2) : case_temp1)
1756 /* 1 if CH is upper case. */
1758 #define UPPERCASEP(CH) (DOWNCASE (CH) != (CH))
1760 /* 1 if CH is neither upper nor lower case. */
1762 #define NOCASEP(CH) (UPCASE1 (CH) == (CH))
1764 /* 1 if CH is lower case. */
1766 #define LOWERCASEP(CH) (!UPPERCASEP (CH) && !NOCASEP(CH))
1768 /* Upcase a character, or make no change if that cannot be done. */
1770 #define UPCASE(CH) (!UPPERCASEP (CH) ? UPCASE1 (CH) : (CH))
1772 /* Upcase a character known to be not upper case. */
1774 #define UPCASE1(CH) \
1775 ((case_temp1 = (CH), \
1776 case_temp2 = CHAR_TABLE_REF (UPCASE_TABLE, case_temp1), \
1777 NATNUMP (case_temp2)) \
1778 ? XFASTINT (case_temp2) : case_temp1)
1780 extern Lisp_Object Vascii_downcase_table
;
1782 /* Number of bytes of structure consed since last GC. */
1784 extern int consing_since_gc
;
1786 /* Threshold for doing another gc. */
1788 extern EMACS_INT gc_cons_threshold
;
1790 /* Structure for recording stack slots that need marking. */
1792 /* This is a chain of structures, each of which points at a Lisp_Object variable
1793 whose value should be marked in garbage collection.
1794 Normally every link of the chain is an automatic variable of a function,
1795 and its `val' points to some argument or local variable of the function.
1796 On exit to the function, the chain is set back to the value it had on entry.
1797 This way, no link remains in the chain when the stack frame containing the
1800 Every function that can call Feval must protect in this fashion all
1801 Lisp_Object variables whose contents will be used again. */
1803 extern struct gcpro
*gcprolist
;
1809 /* Address of first protected variable. */
1810 volatile Lisp_Object
*var
;
1812 /* Number of consecutive protected variables. */
1820 /* Values of GC_MARK_STACK during compilation:
1822 0 Use GCPRO as before
1823 1 Do the real thing, make GCPROs and UNGCPRO no-ops.
1824 2 Mark the stack, and check that everything GCPRO'd is
1826 3 Mark using GCPRO's, mark stack last, and count how many
1827 dead objects are kept alive. */
1830 #define GC_USE_GCPROS_AS_BEFORE 0
1831 #define GC_MAKE_GCPROS_NOOPS 1
1832 #define GC_MARK_STACK_CHECK_GCPROS 2
1833 #define GC_USE_GCPROS_CHECK_ZOMBIES 3
1835 #ifndef GC_MARK_STACK
1836 #define GC_MARK_STACK GC_USE_GCPROS_AS_BEFORE
1839 #if GC_MARK_STACK == GC_MAKE_GCPROS_NOOPS
1841 /* Do something silly with gcproN vars just so gcc shuts up. */
1842 /* You get warnings from MIPSPro... */
1844 #define GCPRO1(varname) ((void) gcpro1)
1845 #define GCPRO2(varname1, varname2)(((void) gcpro2, (void) gcpro1))
1846 #define GCPRO3(varname1, varname2, varname3) \
1847 (((void) gcpro3, (void) gcpro2, (void) gcpro1))
1848 #define GCPRO4(varname1, varname2, varname3, varname4) \
1849 (((void) gcpro4, (void) gcpro3, (void) gcpro2, (void) gcpro1))
1850 #define GCPRO5(varname1, varname2, varname3, varname4, varname5) \
1851 (((void) gcpro5, (void) gcpro4, (void) gcpro3, (void) gcpro2, (void) gcpro1))
1852 #define GCPRO6(varname1, varname2, varname3, varname4, varname5, varname6) \
1853 (((void) gcpro6, (void) gcpro5, (void) gcpro4, (void) gcpro3, (void) gcpro2, (void) gcpro1))
1854 #define UNGCPRO ((void) 0)
1856 #else /* GC_MARK_STACK != GC_MAKE_GCPROS_NOOPS */
1860 #define GCPRO1(varname) \
1861 {gcpro1.next = gcprolist; gcpro1.var = &varname; gcpro1.nvars = 1; \
1862 gcprolist = &gcpro1; }
1864 #define GCPRO2(varname1, varname2) \
1865 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
1866 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
1867 gcprolist = &gcpro2; }
1869 #define GCPRO3(varname1, varname2, varname3) \
1870 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
1871 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
1872 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
1873 gcprolist = &gcpro3; }
1875 #define GCPRO4(varname1, varname2, varname3, varname4) \
1876 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
1877 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
1878 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
1879 gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \
1880 gcprolist = &gcpro4; }
1882 #define GCPRO5(varname1, varname2, varname3, varname4, varname5) \
1883 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
1884 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
1885 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
1886 gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \
1887 gcpro5.next = &gcpro4; gcpro5.var = &varname5; gcpro5.nvars = 1; \
1888 gcprolist = &gcpro5; }
1890 #define GCPRO6(varname1, varname2, varname3, varname4, varname5, varname6) \
1891 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
1892 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
1893 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
1894 gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \
1895 gcpro5.next = &gcpro4; gcpro5.var = &varname5; gcpro5.nvars = 1; \
1896 gcpro6.next = &gcpro5; gcpro6.var = &varname6; gcpro6.nvars = 1; \
1897 gcprolist = &gcpro6; }
1899 #define UNGCPRO (gcprolist = gcpro1.next)
1903 extern int gcpro_level
;
1905 #define GCPRO1(varname) \
1906 {gcpro1.next = gcprolist; gcpro1.var = &varname; gcpro1.nvars = 1; \
1907 gcpro1.level = gcpro_level++; \
1908 gcprolist = &gcpro1; }
1910 #define GCPRO2(varname1, varname2) \
1911 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
1912 gcpro1.level = gcpro_level; \
1913 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
1914 gcpro2.level = gcpro_level++; \
1915 gcprolist = &gcpro2; }
1917 #define GCPRO3(varname1, varname2, varname3) \
1918 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
1919 gcpro1.level = gcpro_level; \
1920 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
1921 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
1922 gcpro3.level = gcpro_level++; \
1923 gcprolist = &gcpro3; }
1925 #define GCPRO4(varname1, varname2, varname3, varname4) \
1926 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
1927 gcpro1.level = gcpro_level; \
1928 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
1929 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
1930 gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \
1931 gcpro4.level = gcpro_level++; \
1932 gcprolist = &gcpro4; }
1934 #define GCPRO5(varname1, varname2, varname3, varname4, varname5) \
1935 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
1936 gcpro1.level = gcpro_level; \
1937 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
1938 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
1939 gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \
1940 gcpro5.next = &gcpro4; gcpro5.var = &varname5; gcpro5.nvars = 1; \
1941 gcpro5.level = gcpro_level++; \
1942 gcprolist = &gcpro5; }
1944 #define GCPRO6(varname1, varname2, varname3, varname4, varname5, varname6) \
1945 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
1946 gcpro1.level = gcpro_level; \
1947 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
1948 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
1949 gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \
1950 gcpro5.next = &gcpro4; gcpro5.var = &varname5; gcpro5.nvars = 1; \
1951 gcpro6.next = &gcpro5; gcpro6.var = &varname6; gcpro6.nvars = 1; \
1952 gcpro6.level = gcpro_level++; \
1953 gcprolist = &gcpro6; }
1956 ((--gcpro_level != gcpro1.level) \
1958 : ((gcprolist = gcpro1.next), 0))
1960 #endif /* DEBUG_GCPRO */
1961 #endif /* GC_MARK_STACK != GC_MAKE_GCPROS_NOOPS */
1964 /* Evaluate expr, UNGCPRO, and then return the value of expr. */
1965 #define RETURN_UNGCPRO(expr) \
1968 Lisp_Object ret_ungc_val; \
1969 ret_ungc_val = (expr); \
1971 return ret_ungc_val; \
1975 /* Call staticpro (&var) to protect static variable `var'. */
1977 void staticpro
P_ ((Lisp_Object
*));
1979 /* Declare a Lisp-callable function. The MAXARGS parameter has the same
1980 meaning as in the DEFUN macro, and is used to construct a prototype. */
1981 #if (!defined (__STDC__) && !defined (PROTOTYPES)) \
1982 || defined (USE_NONANSI_DEFUN)
1983 #define EXFUN(fnname, maxargs) \
1984 extern Lisp_Object fnname ()
1986 /* We can use the same trick as in the DEFUN macro to generate the
1987 appropriate prototype. */
1988 #define EXFUN(fnname, maxargs) \
1989 extern Lisp_Object fnname DEFUN_ARGS_ ## maxargs
1992 /* Forward declarations for prototypes. */
1996 /* Defined in data.c */
1997 extern Lisp_Object Qnil
, Qt
, Qquote
, Qlambda
, Qsubr
, Qunbound
;
1998 extern Lisp_Object Qerror_conditions
, Qerror_message
, Qtop_level
;
1999 extern Lisp_Object Qerror
, Qquit
, Qwrong_type_argument
, Qargs_out_of_range
;
2000 extern Lisp_Object Qvoid_variable
, Qvoid_function
;
2001 extern Lisp_Object Qsetting_constant
, Qinvalid_read_syntax
;
2002 extern Lisp_Object Qinvalid_function
, Qwrong_number_of_arguments
, Qno_catch
;
2003 extern Lisp_Object Qend_of_file
, Qarith_error
;
2004 extern Lisp_Object Qbeginning_of_buffer
, Qend_of_buffer
, Qbuffer_read_only
;
2005 extern Lisp_Object Qmark_inactive
, Qtext_read_only
;
2007 extern Lisp_Object Qrange_error
, Qdomain_error
, Qsingularity_error
;
2008 extern Lisp_Object Qoverflow_error
, Qunderflow_error
;
2010 extern Lisp_Object Qintegerp
, Qnumberp
, Qnatnump
, Qwholenump
;
2011 extern Lisp_Object Qsymbolp
, Qlistp
, Qconsp
;
2012 extern Lisp_Object Qstringp
, Qarrayp
, Qsequencep
, Qbufferp
;
2013 extern Lisp_Object Qchar_or_string_p
, Qmarkerp
, Qvectorp
;
2014 extern Lisp_Object Qinteger_or_marker_p
, Qnumber_or_marker_p
;
2015 extern Lisp_Object Qchar_table_p
, Qvector_or_char_table_p
;
2016 extern Lisp_Object Qboundp
, Qfboundp
;
2017 extern Lisp_Object Qbuffer_or_string_p
;
2018 extern Lisp_Object Qcdr
;
2020 extern Lisp_Object Qfloatp
, Qinteger_or_floatp
, Qinteger_or_float_or_marker_p
;
2022 extern Lisp_Object Qframep
;
2024 extern void circular_list_error
P_ ((Lisp_Object
));
2032 EXFUN (Fintegerp
, 1);
2033 EXFUN (Fnatnump
, 1);
2034 EXFUN (Fsymbolp
, 1);
2035 EXFUN (Fvectorp
, 1);
2036 EXFUN (Fstringp
, 1);
2037 EXFUN (Fmultibyte_string_p
, 1);
2039 EXFUN (Fsequencep
, 1);
2040 EXFUN (Fbufferp
, 1);
2041 EXFUN (Fmarkerp
, 1);
2043 EXFUN (Fchar_or_string_p
, 1);
2044 EXFUN (Finteger_or_marker_p
, 1);
2046 EXFUN (Finteger_or_floatp
, 1);
2047 EXFUN (Finteger_or_float_or_marker_p
, 1);
2050 EXFUN (Fcar_safe
, 1);
2052 EXFUN (Fcdr_safe
, 1);
2056 EXFUN (Ffboundp
, 1);
2057 EXFUN (Fmakunbound
, 1);
2058 EXFUN (Ffmakunbound
, 1);
2059 EXFUN (Fsymbol_function
, 1);
2060 EXFUN (Fsymbol_plist
, 1);
2061 EXFUN (Fsymbol_name
, 1);
2062 extern Lisp_Object indirect_function
P_ ((Lisp_Object
));
2063 EXFUN (Findirect_function
, 1);
2065 EXFUN (Fsetplist
, 2);
2066 EXFUN (Fsymbol_value
, 1);
2067 extern Lisp_Object find_symbol_value
P_ ((Lisp_Object
));
2069 EXFUN (Fdefault_value
, 1);
2070 EXFUN (Fset_default
, 2);
2071 EXFUN (Fdefault_boundp
, 1);
2072 EXFUN (Fmake_local_variable
, 1);
2073 EXFUN (Flocal_variable_p
, 2);
2074 EXFUN (Flocal_variable_if_set_p
, 2);
2079 EXFUN (Fstring_to_number
, 2);
2080 EXFUN (Fnumber_to_string
, 1);
2081 EXFUN (Feqlsign
, 2);
2088 EXFUN (Fplus
, MANY
);
2089 EXFUN (Fminus
, MANY
);
2090 EXFUN (Ftimes
, MANY
);
2095 EXFUN (Flogand
, MANY
);
2096 EXFUN (Flogior
, MANY
);
2097 EXFUN (Flogxor
, MANY
);
2104 EXFUN (Fmake_variable_buffer_local
, 1);
2106 extern Lisp_Object indirect_variable
P_ ((Lisp_Object
));
2107 extern Lisp_Object long_to_cons
P_ ((unsigned long));
2108 extern unsigned long cons_to_long
P_ ((Lisp_Object
));
2109 extern void args_out_of_range
P_ ((Lisp_Object
, Lisp_Object
));
2110 extern void args_out_of_range_3
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
));
2111 extern Lisp_Object wrong_type_argument
P_ ((Lisp_Object
, Lisp_Object
));
2112 extern void store_symval_forwarding
P_ ((Lisp_Object
, Lisp_Object
,
2113 Lisp_Object
, struct buffer
*));
2114 extern Lisp_Object do_symval_forwarding
P_ ((Lisp_Object
));
2115 extern Lisp_Object set_internal
P_ ((Lisp_Object
, Lisp_Object
, struct buffer
*, int));
2116 extern void syms_of_data
P_ ((void));
2117 extern void init_data
P_ ((void));
2118 extern void swap_in_global_binding
P_ ((Lisp_Object
));
2120 /* Defined in cmds.c */
2121 EXFUN (Fend_of_line
, 1);
2122 EXFUN (Fforward_char
, 1);
2123 EXFUN (Fforward_line
, 1);
2124 extern int internal_self_insert
P_ ((int, int));
2125 extern void syms_of_cmds
P_ ((void));
2126 extern void keys_of_cmds
P_ ((void));
2128 /* Defined in coding.c */
2129 EXFUN (Fcoding_system_p
, 1);
2130 EXFUN (Fcheck_coding_system
, 1);
2131 EXFUN (Fread_coding_system
, 2);
2132 EXFUN (Fread_non_nil_coding_system
, 1);
2133 EXFUN (Ffind_operation_coding_system
, MANY
);
2134 EXFUN (Fupdate_coding_systems_internal
, 0);
2135 EXFUN (Fencode_coding_string
, 3);
2136 EXFUN (Fdecode_coding_string
, 3);
2137 extern Lisp_Object detect_coding_system
P_ ((const unsigned char *, int, int,
2139 extern void init_coding
P_ ((void));
2140 extern void init_coding_once
P_ ((void));
2141 extern void syms_of_coding
P_ ((void));
2142 extern Lisp_Object code_convert_string_norecord
P_ ((Lisp_Object
, Lisp_Object
,
2145 /* Defined in charset.c */
2146 extern EMACS_INT nonascii_insert_offset
;
2147 extern Lisp_Object Vnonascii_translation_table
;
2148 EXFUN (Fchar_bytes
, 1);
2149 EXFUN (Fchar_width
, 1);
2150 EXFUN (Fstring
, MANY
);
2151 extern int chars_in_text
P_ ((const unsigned char *, int));
2152 extern int multibyte_chars_in_text
P_ ((const unsigned char *, int));
2153 extern int unibyte_char_to_multibyte
P_ ((int));
2154 extern int multibyte_char_to_unibyte
P_ ((int, Lisp_Object
));
2155 extern Lisp_Object Qcharset
;
2156 extern void init_charset_once
P_ ((void));
2157 extern void syms_of_charset
P_ ((void));
2159 /* Defined in syntax.c */
2160 EXFUN (Fforward_word
, 1);
2161 EXFUN (Fskip_chars_forward
, 2);
2162 EXFUN (Fskip_chars_backward
, 2);
2163 EXFUN (Fsyntax_table_p
, 1);
2164 EXFUN (Fsyntax_table
, 0);
2165 EXFUN (Fset_syntax_table
, 1);
2166 extern void init_syntax_once
P_ ((void));
2167 extern void syms_of_syntax
P_ ((void));
2169 /* Defined in fns.c */
2170 extern int use_dialog_box
;
2171 extern int next_almost_prime
P_ ((int));
2172 extern Lisp_Object larger_vector
P_ ((Lisp_Object
, int, Lisp_Object
));
2173 extern void sweep_weak_hash_tables
P_ ((void));
2174 extern Lisp_Object Qstring_lessp
;
2175 EXFUN (Foptimize_char_table
, 1);
2176 extern Lisp_Object Vfeatures
;
2177 extern Lisp_Object QCtest
, QCweakness
, Qequal
;
2178 unsigned sxhash
P_ ((Lisp_Object
, int));
2179 Lisp_Object make_hash_table
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
,
2180 Lisp_Object
, Lisp_Object
, Lisp_Object
,
2182 Lisp_Object copy_hash_table
P_ ((struct Lisp_Hash_Table
*));
2183 int hash_lookup
P_ ((struct Lisp_Hash_Table
*, Lisp_Object
, unsigned *));
2184 int hash_put
P_ ((struct Lisp_Hash_Table
*, Lisp_Object
, Lisp_Object
,
2186 void hash_remove
P_ ((struct Lisp_Hash_Table
*, Lisp_Object
));
2187 void hash_clear
P_ ((struct Lisp_Hash_Table
*));
2188 void remove_hash_entry
P_ ((struct Lisp_Hash_Table
*, int));
2189 extern void init_fns
P_ ((void));
2191 EXFUN (Fmake_hash_table
, MANY
);
2192 EXFUN (Fcopy_hash_table
, 1);
2193 EXFUN (Fhash_table_count
, 1);
2194 EXFUN (Fhash_table_rehash_size
, 1);
2195 EXFUN (Fhash_table_rehash_threshold
, 1);
2196 EXFUN (Fhash_table_size
, 1);
2197 EXFUN (Fhash_table_test
, 1);
2198 EXFUN (Fhash_table_weak
, 1);
2199 EXFUN (Fhash_table_p
, 1);
2200 EXFUN (Fclrhash
, 1);
2201 EXFUN (Fgethash
, 3);
2202 EXFUN (Fputhash
, 3);
2203 EXFUN (Fremhash
, 2);
2204 EXFUN (Fmaphash
, 2);
2205 EXFUN (Fdefine_hash_table_test
, 3);
2207 EXFUN (Fidentity
, 1);
2210 EXFUN (Fsafe_length
, 1);
2211 EXFUN (Fappend
, MANY
);
2212 EXFUN (Fconcat
, MANY
);
2213 EXFUN (Fvconcat
, MANY
);
2214 EXFUN (Fcopy_sequence
, 1);
2215 EXFUN (Fstring_make_multibyte
, 1);
2216 EXFUN (Fstring_make_unibyte
, 1);
2217 EXFUN (Fstring_as_multibyte
, 1);
2218 EXFUN (Fstring_as_unibyte
, 1);
2219 EXFUN (Fstring_to_multibyte
, 1);
2220 EXFUN (Fsubstring
, 3);
2221 extern Lisp_Object substring_both
P_ ((Lisp_Object
, int, int, int, int));
2232 EXFUN (Freverse
, 1);
2233 EXFUN (Fnreverse
, 1);
2237 EXFUN (Ffillarray
, 2);
2238 EXFUN (Fnconc
, MANY
);
2240 EXFUN (Fmapconcat
, 3);
2241 EXFUN (Fy_or_n_p
, 1);
2242 extern Lisp_Object do_yes_or_no_p
P_ ((Lisp_Object
));
2243 EXFUN (Frequire
, 3);
2244 EXFUN (Fprovide
, 2);
2245 extern Lisp_Object concat2
P_ ((Lisp_Object
, Lisp_Object
));
2246 extern Lisp_Object concat3
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
));
2247 extern Lisp_Object nconc2
P_ ((Lisp_Object
, Lisp_Object
));
2248 extern Lisp_Object assq_no_quit
P_ ((Lisp_Object
, Lisp_Object
));
2249 extern void clear_string_char_byte_cache
P_ ((void));
2250 extern int string_char_to_byte
P_ ((Lisp_Object
, int));
2251 extern int string_byte_to_char
P_ ((Lisp_Object
, int));
2252 extern Lisp_Object string_make_multibyte
P_ ((Lisp_Object
));
2253 extern Lisp_Object string_make_unibyte
P_ ((Lisp_Object
));
2254 EXFUN (Fcopy_alist
, 1);
2255 EXFUN (Fplist_get
, 2);
2256 EXFUN (Fplist_put
, 3);
2257 EXFUN (Fplist_member
, 2);
2258 EXFUN (Fset_char_table_parent
, 2);
2259 EXFUN (Fchar_table_extra_slot
, 2);
2260 EXFUN (Fset_char_table_extra_slot
, 3);
2262 EXFUN (Fstring_equal
, 2);
2263 EXFUN (Fcompare_strings
, 7);
2264 EXFUN (Fstring_lessp
, 2);
2265 extern int char_table_translate
P_ ((Lisp_Object
, int));
2266 extern void map_char_table
P_ ((void (*) (Lisp_Object
, Lisp_Object
, Lisp_Object
),
2267 Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, int,
2269 extern Lisp_Object char_table_ref_and_index
P_ ((Lisp_Object
, int, int *));
2270 extern void syms_of_fns
P_ ((void));
2272 /* Defined in floatfns.c */
2273 extern double extract_float
P_ ((Lisp_Object
));
2275 EXFUN (Ftruncate
, 2);
2276 extern void init_floatfns
P_ ((void));
2277 extern void syms_of_floatfns
P_ ((void));
2279 /* Defined in insdel.c */
2280 extern Lisp_Object Qinhibit_modification_hooks
;
2281 extern void move_gap
P_ ((int));
2282 extern void move_gap_both
P_ ((int, int));
2283 extern void make_gap
P_ ((int));
2284 extern int copy_text
P_ ((const unsigned char *, unsigned char *, int, int, int));
2285 extern int count_size_as_multibyte
P_ ((const unsigned char *, int));
2286 extern int count_combining_before
P_ ((const unsigned char *, int, int, int));
2287 extern int count_combining_after
P_ ((const unsigned char *, int, int, int));
2288 extern void insert
P_ ((const unsigned char *, int));
2289 extern void insert_and_inherit
P_ ((const unsigned char *, int));
2290 extern void insert_1
P_ ((const unsigned char *, int, int, int, int));
2291 extern void insert_1_both
P_ ((const unsigned char *, int, int, int, int, int));
2292 extern void insert_from_string
P_ ((Lisp_Object
, int, int, int, int, int));
2293 extern void insert_from_buffer
P_ ((struct buffer
*, int, int, int));
2294 extern void insert_char
P_ ((int));
2295 extern void insert_string
P_ ((const char *));
2296 extern void insert_before_markers
P_ ((const unsigned char *, int));
2297 extern void insert_before_markers_and_inherit
P_ ((const unsigned char *, int));
2298 extern void insert_from_string_before_markers
P_ ((Lisp_Object
, int, int, int, int, int));
2299 extern void del_range
P_ ((int, int));
2300 extern Lisp_Object del_range_1
P_ ((int, int, int, int));
2301 extern void del_range_byte
P_ ((int, int, int));
2302 extern void del_range_both
P_ ((int, int, int, int, int));
2303 extern Lisp_Object del_range_2
P_ ((int, int, int, int, int));
2304 extern void modify_region
P_ ((struct buffer
*, int, int));
2305 extern void prepare_to_modify_buffer
P_ ((int, int, int *));
2306 extern void signal_before_change
P_ ((int, int, int *));
2307 extern void signal_after_change
P_ ((int, int, int));
2308 extern void adjust_after_replace
P_ ((int, int, Lisp_Object
, int, int));
2309 extern void adjust_after_replace_noundo
P_ ((int, int, int, int, int, int));
2310 extern void adjust_after_insert
P_ ((int, int, int, int, int));
2311 extern void replace_range
P_ ((int, int, Lisp_Object
, int, int, int));
2312 extern void syms_of_insdel
P_ ((void));
2314 /* Defined in dispnew.c */
2315 extern Lisp_Object selected_frame
;
2316 extern EMACS_INT baud_rate
;
2318 EXFUN (Fredraw_frame
, 1);
2319 EXFUN (Fredraw_display
, 0);
2320 EXFUN (Fsleep_for
, 2);
2321 EXFUN (Fsit_for
, 3);
2322 extern Lisp_Object sit_for
P_ ((int, int, int, int, int));
2323 extern void init_display
P_ ((void));
2324 extern void syms_of_display
P_ ((void));
2325 extern void safe_bcopy
P_ ((const char *, char *, int));
2327 /* Defined in xdisp.c */
2328 extern Lisp_Object Qinhibit_point_motion_hooks
;
2329 extern Lisp_Object Qinhibit_redisplay
, Qdisplay
;
2330 extern Lisp_Object Qinhibit_eval_during_redisplay
;
2331 extern Lisp_Object Qmessage_truncate_lines
;
2332 extern Lisp_Object Vmessage_log_max
;
2333 extern int message_enable_multibyte
;
2334 extern Lisp_Object echo_area_buffer
[2];
2335 extern void check_message_stack
P_ ((void));
2336 extern void setup_echo_area_for_printing
P_ ((int));
2337 extern int push_message
P_ ((void));
2338 extern Lisp_Object pop_message_unwind
P_ ((Lisp_Object
));
2339 extern Lisp_Object restore_message_unwind
P_ ((Lisp_Object
));
2340 extern void pop_message
P_ ((void));
2341 extern void restore_message
P_ ((void));
2342 extern Lisp_Object current_message
P_ ((void));
2343 extern void set_message
P_ ((const char *s
, Lisp_Object
, int, int));
2344 extern void clear_message
P_ ((int, int));
2345 extern void message
P_ ((/* char *, ... */));
2346 extern void message_nolog
P_ ((/* char *, ... */));
2347 extern void message1
P_ ((char *));
2348 extern void message1_nolog
P_ ((char *));
2349 extern void message2
P_ ((const char *, int, int));
2350 extern void message2_nolog
P_ ((const char *, int, int));
2351 extern void message3
P_ ((Lisp_Object
, int, int));
2352 extern void message3_nolog
P_ ((Lisp_Object
, int, int));
2353 extern void message_dolog
P_ ((const char *, int, int, int));
2354 extern void message_with_string
P_ ((char *, Lisp_Object
, int));
2355 extern void message_log_maybe_newline
P_ ((void));
2356 extern void update_echo_area
P_ ((void));
2357 extern void truncate_echo_area
P_ ((int));
2358 extern void redisplay
P_ ((void));
2359 extern int check_point_in_composition
2360 P_ ((struct buffer
*, int, struct buffer
*, int));
2361 extern void redisplay_preserve_echo_area
P_ ((int));
2362 extern void mark_window_display_accurate
P_ ((Lisp_Object
, int));
2363 extern void prepare_menu_bars
P_ ((void));
2365 void set_frame_cursor_types
P_ ((struct frame
*, Lisp_Object
));
2366 extern void syms_of_xdisp
P_ ((void));
2367 extern void init_xdisp
P_ ((void));
2368 extern Lisp_Object safe_eval
P_ ((Lisp_Object
));
2369 extern int pos_visible_p
P_ ((struct window
*, int, int *, int));
2371 /* Defined in vm-limit.c. */
2372 extern void memory_warnings
P_ ((POINTER_TYPE
*, void (*warnfun
) ()));
2374 /* Defined in alloc.c */
2375 extern void check_pure_size
P_ ((void));
2376 extern void allocate_string_data
P_ ((struct Lisp_String
*, int, int));
2377 extern void uninterrupt_malloc
P_ ((void));
2378 extern void malloc_warning
P_ ((char *));
2379 extern void memory_full
P_ ((void));
2380 extern void buffer_memory_full
P_ ((void));
2381 extern int survives_gc_p
P_ ((Lisp_Object
));
2382 extern void mark_object
P_ ((Lisp_Object
));
2383 extern Lisp_Object Vpurify_flag
;
2384 extern Lisp_Object Vmemory_full
;
2390 EXFUN (Flist
, MANY
);
2391 EXFUN (Fmake_list
, 2);
2392 extern Lisp_Object allocate_misc
P_ ((void));
2393 EXFUN (Fmake_vector
, 2);
2394 EXFUN (Fvector
, MANY
);
2395 EXFUN (Fmake_symbol
, 1);
2396 EXFUN (Fmake_marker
, 0);
2397 EXFUN (Fmake_string
, 2);
2398 extern Lisp_Object build_string
P_ ((const char *));
2399 extern Lisp_Object make_string
P_ ((const char *, int));
2400 extern Lisp_Object make_unibyte_string
P_ ((const char *, int));
2401 extern Lisp_Object make_multibyte_string
P_ ((const char *, int, int));
2402 extern Lisp_Object make_event_array
P_ ((int, Lisp_Object
*));
2403 extern Lisp_Object make_uninit_string
P_ ((int));
2404 extern Lisp_Object make_uninit_multibyte_string
P_ ((int, int));
2405 extern Lisp_Object make_string_from_bytes
P_ ((const char *, int, int));
2406 extern Lisp_Object make_specified_string
P_ ((const char *, int, int, int));
2407 EXFUN (Fpurecopy
, 1);
2408 extern Lisp_Object make_pure_string
P_ ((char *, int, int, int));
2409 extern Lisp_Object pure_cons
P_ ((Lisp_Object
, Lisp_Object
));
2410 extern Lisp_Object make_pure_vector
P_ ((EMACS_INT
));
2411 EXFUN (Fgarbage_collect
, 0);
2412 EXFUN (Fmake_byte_code
, MANY
);
2413 EXFUN (Fmake_bool_vector
, 2);
2414 EXFUN (Fmake_char_table
, 2);
2415 extern Lisp_Object make_sub_char_table
P_ ((Lisp_Object
));
2416 extern Lisp_Object Qchar_table_extra_slots
;
2417 extern struct Lisp_Vector
*allocate_vector
P_ ((EMACS_INT
));
2418 extern struct Lisp_Vector
*allocate_other_vector
P_ ((EMACS_INT
));
2419 extern struct Lisp_Hash_Table
*allocate_hash_table
P_ ((void));
2420 extern struct window
*allocate_window
P_ ((void));
2421 extern struct frame
*allocate_frame
P_ ((void));
2422 extern struct Lisp_Process
*allocate_process
P_ ((void));
2423 extern int gc_in_progress
;
2424 extern int abort_on_gc
;
2425 extern Lisp_Object make_float
P_ ((double));
2426 extern void display_malloc_warning
P_ ((void));
2427 extern int inhibit_garbage_collection
P_ ((void));
2428 extern Lisp_Object make_save_value
P_ ((void *, int));
2429 extern void free_marker
P_ ((Lisp_Object
));
2430 extern void free_cons
P_ ((struct Lisp_Cons
*));
2431 extern void init_alloc_once
P_ ((void));
2432 extern void init_alloc
P_ ((void));
2433 extern void syms_of_alloc
P_ ((void));
2434 extern struct buffer
* allocate_buffer
P_ ((void));
2436 /* Defined in print.c */
2437 extern Lisp_Object Vprin1_to_string_buffer
;
2438 extern void debug_print
P_ ((Lisp_Object
));
2440 EXFUN (Fprin1_to_string
, 2);
2444 EXFUN (Ferror_message_string
, 1);
2445 extern Lisp_Object Vstandard_output
, Qstandard_output
;
2446 extern Lisp_Object Qexternal_debugging_output
;
2447 extern void temp_output_buffer_setup
P_ ((const char *));
2448 extern int print_level
, print_escape_newlines
;
2449 extern Lisp_Object Qprint_escape_newlines
;
2450 extern void write_string
P_ ((char *, int));
2451 extern void write_string_1
P_ ((char *, int, Lisp_Object
));
2452 extern void print_error_message
P_ ((Lisp_Object
, Lisp_Object
, char *, Lisp_Object
));
2453 extern Lisp_Object internal_with_output_to_temp_buffer
2454 P_ ((const char *, Lisp_Object (*) (Lisp_Object
), Lisp_Object
));
2455 extern void float_to_string
P_ ((unsigned char *, double));
2456 extern void syms_of_print
P_ ((void));
2458 /* Defined in doprnt.c */
2459 extern int doprnt
P_ ((char *, int, char *, char *, int, char **));
2460 extern int doprnt_lisp
P_ ((char *, int, char *, char *, int, char **));
2462 /* Defined in lread.c */
2463 extern Lisp_Object Qvariable_documentation
, Qstandard_input
;
2464 extern Lisp_Object Vobarray
, initial_obarray
, Vstandard_input
;
2466 EXFUN (Fread_from_string
, 3);
2468 EXFUN (Fintern_soft
, 2);
2470 EXFUN (Fget_file_char
, 0);
2471 EXFUN (Fread_char
, 2);
2472 EXFUN (Fread_event
, 2);
2473 extern Lisp_Object read_filtered_event
P_ ((int, int, int, int));
2474 EXFUN (Feval_region
, 4);
2475 extern Lisp_Object intern
P_ ((const char *));
2476 extern Lisp_Object make_symbol
P_ ((char *));
2477 extern Lisp_Object oblookup
P_ ((Lisp_Object
, const char *, int, int));
2478 #define LOADHIST_ATTACH(x) \
2479 if (initialized) Vcurrent_load_list = Fcons (x, Vcurrent_load_list)
2480 extern Lisp_Object Vcurrent_load_list
;
2481 extern Lisp_Object Vload_history
, Vload_suffixes
;
2482 extern int openp
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
,
2483 Lisp_Object
*, Lisp_Object
));
2484 extern int isfloat_string
P_ ((char *));
2485 extern void map_obarray
P_ ((Lisp_Object
, void (*) (Lisp_Object
, Lisp_Object
),
2487 extern void dir_warning
P_ ((char *, Lisp_Object
));
2488 extern void close_load_descs
P_ ((void));
2489 extern void init_obarray
P_ ((void));
2490 extern void init_lread
P_ ((void));
2491 extern void syms_of_lread
P_ ((void));
2493 /* Defined in eval.c */
2494 extern Lisp_Object Qautoload
, Qexit
, Qinteractive
, Qcommandp
, Qdefun
, Qmacro
;
2495 extern Lisp_Object Vinhibit_quit
, Qinhibit_quit
, Vquit_flag
;
2496 extern Lisp_Object Vautoload_queue
;
2497 extern Lisp_Object Vdebug_on_error
;
2498 extern Lisp_Object Vsignaling_function
;
2499 extern int handling_signal
;
2500 extern int interactive_p
P_ ((int));
2502 /* To run a normal hook, use the appropriate function from the list below.
2503 The calling convention:
2505 if (!NILP (Vrun_hooks))
2506 call1 (Vrun_hooks, Qmy_funny_hook);
2508 should no longer be used. */
2509 extern Lisp_Object Vrun_hooks
;
2510 EXFUN (Frun_hooks
, MANY
);
2511 EXFUN (Frun_hook_with_args
, MANY
);
2512 EXFUN (Frun_hook_with_args_until_success
, MANY
);
2513 EXFUN (Frun_hook_with_args_until_failure
, MANY
);
2514 extern Lisp_Object run_hook_list_with_args
P_ ((Lisp_Object
, int, Lisp_Object
*));
2515 extern void run_hook_with_args_2
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
));
2516 EXFUN (Fand
, UNEVALLED
);
2517 EXFUN (For
, UNEVALLED
);
2518 EXFUN (Fif
, UNEVALLED
);
2519 EXFUN (Fprogn
, UNEVALLED
);
2520 EXFUN (Fprog1
, UNEVALLED
);
2521 EXFUN (Fprog2
, UNEVALLED
);
2522 EXFUN (Fsetq
, UNEVALLED
);
2523 EXFUN (Fquote
, UNEVALLED
);
2524 EXFUN (Fuser_variable_p
, 1);
2525 EXFUN (Finteractive_p
, 0);
2526 EXFUN (Fdefun
, UNEVALLED
);
2527 EXFUN (Flet
, UNEVALLED
);
2528 EXFUN (FletX
, UNEVALLED
);
2529 EXFUN (Fwhile
, UNEVALLED
);
2530 EXFUN (Fcatch
, UNEVALLED
);
2531 EXFUN (Fthrow
, 2) NO_RETURN
;
2532 EXFUN (Funwind_protect
, UNEVALLED
);
2533 EXFUN (Fcondition_case
, UNEVALLED
);
2535 EXFUN (Fautoload
, 5);
2536 EXFUN (Fcommandp
, 2);
2538 EXFUN (Fapply
, MANY
);
2539 EXFUN (Ffuncall
, MANY
);
2540 EXFUN (Fbacktrace
, 0);
2541 extern Lisp_Object apply1
P_ ((Lisp_Object
, Lisp_Object
));
2542 extern Lisp_Object call0
P_ ((Lisp_Object
));
2543 extern Lisp_Object call1
P_ ((Lisp_Object
, Lisp_Object
));
2544 extern Lisp_Object call2
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
));
2545 extern Lisp_Object call3
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
));
2546 extern Lisp_Object call4
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
));
2547 extern Lisp_Object call5
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
));
2548 extern Lisp_Object call6
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
, Lisp_Object
));
2549 EXFUN (Fdo_auto_save
, 2);
2550 extern Lisp_Object apply_lambda
P_ ((Lisp_Object
, Lisp_Object
, int));
2551 extern Lisp_Object internal_catch
P_ ((Lisp_Object
, Lisp_Object (*) (Lisp_Object
), Lisp_Object
));
2552 extern Lisp_Object internal_condition_case
P_ ((Lisp_Object (*) (void), Lisp_Object
, Lisp_Object (*) (Lisp_Object
)));
2553 extern Lisp_Object internal_condition_case_1
P_ ((Lisp_Object (*) (Lisp_Object
), Lisp_Object
, Lisp_Object
, Lisp_Object (*) (Lisp_Object
)));
2554 extern Lisp_Object internal_condition_case_2
P_ ((Lisp_Object (*) (int, Lisp_Object
*), int, Lisp_Object
*, Lisp_Object
, Lisp_Object (*) (Lisp_Object
)));
2555 extern void specbind
P_ ((Lisp_Object
, Lisp_Object
));
2556 extern void record_unwind_protect
P_ ((Lisp_Object (*) (Lisp_Object
), Lisp_Object
));
2557 extern Lisp_Object unbind_to
P_ ((int, Lisp_Object
));
2558 extern void error
P_ ((/* char *, ... */)) NO_RETURN
;
2559 extern void do_autoload
P_ ((Lisp_Object
, Lisp_Object
));
2560 extern Lisp_Object un_autoload
P_ ((Lisp_Object
));
2561 EXFUN (Ffetch_bytecode
, 1);
2562 extern void init_eval_once
P_ ((void));
2563 extern Lisp_Object safe_call
P_ ((int, Lisp_Object
*));
2564 extern Lisp_Object safe_call1
P_ ((Lisp_Object
, Lisp_Object
));
2565 extern void init_eval
P_ ((void));
2566 extern void syms_of_eval
P_ ((void));
2568 /* Defined in editfns.c */
2569 EXFUN (Fpropertize
, MANY
);
2570 EXFUN (Fcurrent_message
, 0);
2571 EXFUN (Fgoto_char
, 1);
2572 EXFUN (Fpoint_min_marker
, 0);
2573 EXFUN (Fpoint_max_marker
, 0);
2574 EXFUN (Fpoint_min
, 0);
2575 EXFUN (Fpoint_max
, 0);
2577 EXFUN (Fpoint_marker
, 0);
2578 EXFUN (Fmark_marker
, 0);
2579 EXFUN (Fline_beginning_position
, 1);
2580 EXFUN (Fline_end_position
, 1);
2581 EXFUN (Ffollowing_char
, 0);
2582 EXFUN (Fprevious_char
, 0);
2583 EXFUN (Fchar_after
, 1);
2584 EXFUN (Finsert
, MANY
);
2585 EXFUN (Finsert_and_inherit
, MANY
);
2586 EXFUN (Finsert_before_markers
, MANY
);
2587 EXFUN (Finsert_buffer_substring
, 3);
2588 EXFUN (Finsert_char
, 3);
2589 extern void insert1
P_ ((Lisp_Object
));
2594 EXFUN (Fformat
, MANY
);
2595 EXFUN (Fmessage
, MANY
);
2596 extern Lisp_Object format2
P_ ((char *, Lisp_Object
, Lisp_Object
));
2597 extern Lisp_Object make_buffer_string
P_ ((int, int, int));
2598 EXFUN (Fbuffer_substring
, 2);
2599 EXFUN (Fbuffer_string
, 0);
2600 extern Lisp_Object save_excursion_save
P_ ((void));
2601 extern Lisp_Object save_restriction_save
P_ ((void));
2602 extern Lisp_Object save_excursion_restore
P_ ((Lisp_Object
));
2603 extern Lisp_Object save_restriction_restore
P_ ((Lisp_Object
));
2604 EXFUN (Fchar_to_string
, 1);
2605 EXFUN (Fdelete_region
, 2);
2606 EXFUN (Fnarrow_to_region
, 2);
2608 EXFUN (Fuser_login_name
, 1);
2609 EXFUN (Fsystem_name
, 0);
2610 EXFUN (Fcurrent_time
, 0);
2611 extern int clip_to_bounds
P_ ((int, int, int));
2612 extern Lisp_Object make_buffer_string
P_ ((int, int, int));
2613 extern Lisp_Object make_buffer_string_both
P_ ((int, int, int, int, int));
2614 extern void init_editfns
P_ ((void));
2615 extern void syms_of_editfns
P_ ((void));
2616 EXFUN (Fcurrent_message
, 0);
2617 extern Lisp_Object Vinhibit_field_text_motion
;
2618 EXFUN (Fconstrain_to_field
, 5);
2619 EXFUN (Ffield_string
, 1);
2620 EXFUN (Fdelete_field
, 1);
2621 EXFUN (Ffield_beginning
, 3);
2622 EXFUN (Ffield_end
, 3);
2623 EXFUN (Ffield_string_no_properties
, 1);
2624 extern void set_time_zone_rule
P_ ((char *));
2626 /* defined in buffer.c */
2627 extern int mouse_face_overlay_overlaps
P_ ((Lisp_Object
));
2628 extern void nsberror
P_ ((Lisp_Object
));
2629 extern char *no_switch_window
P_ ((Lisp_Object window
));
2630 EXFUN (Fset_buffer_multibyte
, 1);
2631 EXFUN (Foverlay_start
, 1);
2632 EXFUN (Foverlay_end
, 1);
2633 extern void adjust_overlays_for_insert
P_ ((EMACS_INT
, EMACS_INT
));
2634 extern void adjust_overlays_for_delete
P_ ((EMACS_INT
, EMACS_INT
));
2635 extern void fix_overlays_in_range
P_ ((int, int));
2636 extern void report_overlay_modification
P_ ((Lisp_Object
, Lisp_Object
, int,
2637 Lisp_Object
, Lisp_Object
, Lisp_Object
));
2638 extern int overlay_touches_p
P_ ((int));
2639 extern Lisp_Object Vbuffer_alist
, Vinhibit_read_only
;
2640 EXFUN (Fget_buffer
, 1);
2641 EXFUN (Fget_buffer_create
, 1);
2642 EXFUN (Fset_buffer
, 1);
2643 EXFUN (set_buffer_if_live
, 1);
2644 EXFUN (Fbarf_if_buffer_read_only
, 0);
2645 EXFUN (Fcurrent_buffer
, 0);
2646 EXFUN (Fswitch_to_buffer
, 2);
2647 EXFUN (Fpop_to_buffer
, 3);
2648 EXFUN (Fother_buffer
, 3);
2649 EXFUN (Foverlay_get
, 2);
2650 EXFUN (Fbuffer_modified_p
, 1);
2651 EXFUN (Fset_buffer_modified_p
, 1);
2652 EXFUN (Fkill_buffer
, 1);
2653 EXFUN (Fkill_all_local_variables
, 0);
2654 EXFUN (Fbuffer_disable_undo
, 1);
2655 EXFUN (Fbuffer_enable_undo
, 1);
2656 EXFUN (Ferase_buffer
, 0);
2657 extern Lisp_Object Qoverlayp
;
2658 extern Lisp_Object get_truename_buffer
P_ ((Lisp_Object
));
2659 extern struct buffer
*all_buffers
;
2660 EXFUN (Fprevious_overlay_change
, 1);
2661 EXFUN (Fbuffer_file_name
, 1);
2662 extern void init_buffer_once
P_ ((void));
2663 extern void init_buffer
P_ ((void));
2664 extern void syms_of_buffer
P_ ((void));
2665 extern void keys_of_buffer
P_ ((void));
2667 /* defined in marker.c */
2669 EXFUN (Fmarker_position
, 1);
2670 EXFUN (Fmarker_buffer
, 1);
2671 EXFUN (Fcopy_marker
, 2);
2672 EXFUN (Fset_marker
, 3);
2673 extern int marker_position
P_ ((Lisp_Object
));
2674 extern int marker_byte_position
P_ ((Lisp_Object
));
2675 extern void clear_charpos_cache
P_ ((struct buffer
*));
2676 extern int charpos_to_bytepos
P_ ((int));
2677 extern int buf_charpos_to_bytepos
P_ ((struct buffer
*, int));
2678 extern int buf_bytepos_to_charpos
P_ ((struct buffer
*, int));
2679 extern void unchain_marker
P_ ((struct Lisp_Marker
*marker
));
2680 extern Lisp_Object set_marker_restricted
P_ ((Lisp_Object
, Lisp_Object
, Lisp_Object
));
2681 extern Lisp_Object set_marker_both
P_ ((Lisp_Object
, Lisp_Object
, int, int));
2682 extern Lisp_Object set_marker_restricted_both
P_ ((Lisp_Object
, Lisp_Object
,
2684 extern void syms_of_marker
P_ ((void));
2686 /* Defined in fileio.c */
2688 extern Lisp_Object Qfile_error
;
2689 EXFUN (Ffind_file_name_handler
, 2);
2690 EXFUN (Ffile_name_as_directory
, 1);
2691 EXFUN (Fmake_temp_name
, 1);
2692 EXFUN (Fexpand_file_name
, 2);
2693 EXFUN (Ffile_name_nondirectory
, 1);
2694 EXFUN (Fsubstitute_in_file_name
, 1);
2695 EXFUN (Ffile_symlink_p
, 1);
2696 EXFUN (Fverify_visited_file_modtime
, 1);
2697 EXFUN (Ffile_exists_p
, 1);
2698 EXFUN (Ffile_name_absolute_p
, 1);
2699 EXFUN (Fdirectory_file_name
, 1);
2700 EXFUN (Ffile_name_directory
, 1);
2701 extern Lisp_Object expand_and_dir_to_file
P_ ((Lisp_Object
, Lisp_Object
));
2702 EXFUN (Ffile_accessible_directory_p
, 1);
2703 EXFUN (Funhandled_file_name_directory
, 1);
2704 EXFUN (Ffile_directory_p
, 1);
2705 EXFUN (Fwrite_region
, 7);
2706 EXFUN (Ffile_readable_p
, 1);
2707 EXFUN (Ffile_executable_p
, 1);
2708 EXFUN (Fread_file_name
, 6);
2709 extern Lisp_Object close_file_unwind
P_ ((Lisp_Object
));
2710 extern void report_file_error
P_ ((const char *, Lisp_Object
));
2711 extern int internal_delete_file
P_ ((Lisp_Object
));
2712 extern void syms_of_fileio
P_ ((void));
2713 EXFUN (Fmake_temp_name
, 1);
2714 extern void init_fileio_once
P_ ((void));
2715 extern Lisp_Object make_temp_name
P_ ((Lisp_Object
, int));
2717 /* Defined in abbrev.c */
2719 extern void syms_of_abbrev
P_ ((void));
2721 /* defined in search.c */
2722 extern void shrink_regexp_cache
P_ ((void));
2723 EXFUN (Fstring_match
, 3);
2724 extern void restore_match_data
P_ ((void));
2725 EXFUN (Fmatch_data
, 2);
2726 EXFUN (Fset_match_data
, 1);
2727 EXFUN (Fmatch_beginning
, 1);
2728 EXFUN (Fmatch_end
, 1);
2729 EXFUN (Flooking_at
, 1);
2730 extern int fast_string_match
P_ ((Lisp_Object
, Lisp_Object
));
2731 extern int fast_c_string_match_ignore_case
P_ ((Lisp_Object
, const char *));
2732 extern int scan_buffer
P_ ((int, int, int, int, int *, int));
2733 extern int scan_newline
P_ ((int, int, int, int, int, int));
2734 extern int find_next_newline
P_ ((int, int));
2735 extern int find_next_newline_no_quit
P_ ((int, int));
2736 extern int find_before_next_newline
P_ ((int, int, int));
2737 extern void syms_of_search
P_ ((void));
2739 /* defined in minibuf.c */
2741 extern Lisp_Object last_minibuf_string
;
2742 extern void choose_minibuf_frame
P_ ((void));
2743 EXFUN (Fcompleting_read
, 8);
2744 EXFUN (Fread_from_minibuffer
, 7);
2745 EXFUN (Fread_variable
, 2);
2746 EXFUN (Fread_buffer
, 3);
2747 EXFUN (Fread_minibuffer
, 2);
2748 EXFUN (Feval_minibuffer
, 2);
2749 EXFUN (Fread_string
, 5);
2750 EXFUN (Fread_no_blanks_input
, 3);
2751 extern Lisp_Object get_minibuffer
P_ ((int));
2752 extern void temp_echo_area_glyphs
P_ ((Lisp_Object
));
2753 extern void init_minibuf_once
P_ ((void));
2754 extern void syms_of_minibuf
P_ ((void));
2755 extern void keys_of_minibuf
P_ ((void));
2757 /* Defined in callint.c */
2759 extern Lisp_Object Qminus
, Qplus
, Vcurrent_prefix_arg
;
2760 extern Lisp_Object Vcommand_history
;
2761 extern Lisp_Object Qcall_interactively
, Qmouse_leave_buffer_hook
;
2762 EXFUN (Fcall_interactively
, 3);
2763 EXFUN (Fprefix_numeric_value
, 1);
2764 extern void syms_of_callint
P_ ((void));
2766 /* defined in casefiddle.c */
2768 EXFUN (Fdowncase
, 1);
2770 EXFUN (Fcapitalize
, 1);
2771 EXFUN (Fupcase_region
, 2);
2772 EXFUN (Fupcase_initials
, 1);
2773 EXFUN (Fupcase_initials_region
, 2);
2774 extern void syms_of_casefiddle
P_ ((void));
2775 extern void keys_of_casefiddle
P_ ((void));
2777 /* defined in casetab.c */
2779 EXFUN (Fset_case_table
, 1);
2780 EXFUN (Fset_standard_case_table
, 1);
2781 extern void init_casetab_once
P_ ((void));
2782 extern void syms_of_casetab
P_ ((void));
2784 /* defined in keyboard.c */
2787 extern Lisp_Object echo_message_buffer
;
2788 extern struct kboard
*echo_kboard
;
2789 extern void cancel_echoing
P_ ((void));
2790 extern Lisp_Object Qdisabled
, QCfilter
;
2791 extern Lisp_Object Vtty_erase_char
, Vhelp_form
, Vtop_level
;
2792 extern int input_pending
;
2793 EXFUN (Fdiscard_input
, 0);
2794 EXFUN (Frecursive_edit
, 0);
2795 EXFUN (Ftop_level
, 0);
2796 EXFUN (Fcommand_execute
, 4);
2797 EXFUN (Finput_pending_p
, 0);
2798 extern Lisp_Object menu_bar_items
P_ ((Lisp_Object
));
2799 extern Lisp_Object tool_bar_items
P_ ((Lisp_Object
, int *));
2800 extern Lisp_Object Qvertical_scroll_bar
;
2801 extern void discard_mouse_events
P_ ((void));
2802 EXFUN (Fevent_convert_list
, 1);
2803 EXFUN (Fread_key_sequence
, 5);
2804 EXFUN (Fset_input_mode
, 4);
2805 extern int detect_input_pending
P_ ((void));
2806 extern int detect_input_pending_run_timers
P_ ((int));
2807 extern void safe_run_hooks
P_ ((Lisp_Object
));
2808 extern void cmd_error_internal
P_ ((Lisp_Object
, char *));
2809 extern Lisp_Object command_loop_1
P_ ((void));
2810 extern Lisp_Object recursive_edit_1
P_ ((void));
2811 extern void record_auto_save
P_ ((void));
2812 extern void init_keyboard
P_ ((void));
2813 extern void syms_of_keyboard
P_ ((void));
2814 extern void keys_of_keyboard
P_ ((void));
2815 extern char *push_key_description
P_ ((unsigned int, char *, int));
2818 /* defined in indent.c */
2819 EXFUN (Fvertical_motion
, 2);
2820 EXFUN (Findent_to
, 2);
2821 EXFUN (Fcurrent_column
, 0);
2822 EXFUN (Fmove_to_column
, 2);
2823 extern double current_column
P_ ((void));
2824 extern void invalidate_current_column
P_ ((void));
2825 extern int indented_beyond_p
P_ ((int, int, double));
2826 extern void syms_of_indent
P_ ((void));
2828 /* defined in frame.c */
2829 extern Lisp_Object Qvisible
;
2830 extern void store_frame_param
P_ ((struct frame
*, Lisp_Object
, Lisp_Object
));
2831 extern void store_in_alist
P_ ((Lisp_Object
*, Lisp_Object
, Lisp_Object
));
2832 extern Lisp_Object do_switch_frame
P_ ((Lisp_Object
, int, int));
2833 extern Lisp_Object get_frame_param
P_ ((struct frame
*, Lisp_Object
));
2834 extern Lisp_Object frame_buffer_predicate
P_ ((Lisp_Object
));
2836 EXFUN (Fselect_frame
, 2);
2837 EXFUN (Fselected_frame
, 0);
2838 EXFUN (Fwindow_frame
, 1);
2839 EXFUN (Fframe_root_window
, 1);
2840 EXFUN (Fframe_first_window
, 1);
2841 EXFUN (Fframe_selected_window
, 1);
2842 EXFUN (Fframe_list
, 0);
2843 EXFUN (Fnext_frame
, 2);
2844 EXFUN (Fdelete_frame
, 2);
2845 EXFUN (Fset_mouse_position
, 3);
2846 EXFUN (Fmake_frame_visible
, 1);
2847 EXFUN (Fmake_frame_invisible
, 2);
2848 EXFUN (Ficonify_frame
, 1);
2849 EXFUN (Fframe_visible_p
, 1);
2850 EXFUN (Fvisible_frame_list
, 0);
2851 EXFUN (Fframe_parameter
, 2);
2852 EXFUN (Fframe_parameters
, 1);
2853 EXFUN (Fmodify_frame_parameters
, 2);
2854 EXFUN (Fset_frame_height
, 3);
2855 EXFUN (Fset_frame_width
, 3);
2856 EXFUN (Fset_frame_size
, 3);
2857 EXFUN (Fset_frame_position
, 3);
2858 EXFUN (Fraise_frame
, 1);
2859 EXFUN (Fredirect_frame_focus
, 2);
2860 EXFUN (Fset_frame_selected_window
, 2);
2861 extern Lisp_Object frame_buffer_list
P_ ((Lisp_Object
));
2862 extern void frames_discard_buffer
P_ ((Lisp_Object
));
2863 extern void set_frame_buffer_list
P_ ((Lisp_Object
, Lisp_Object
));
2864 extern void frames_bury_buffer
P_ ((Lisp_Object
));
2865 extern void syms_of_frame
P_ ((void));
2867 /* defined in emacs.c */
2868 extern Lisp_Object decode_env_path
P_ ((char *, char *));
2869 extern Lisp_Object Vinvocation_name
, Vinvocation_directory
;
2870 extern Lisp_Object Vinstallation_directory
, empty_string
;
2871 EXFUN (Fkill_emacs
, 1);
2873 void fixup_locale
P_ ((void));
2874 void synchronize_system_messages_locale
P_ ((void));
2875 void synchronize_system_time_locale
P_ ((void));
2877 #define setlocale(category, locale)
2878 #define fixup_locale()
2879 #define synchronize_system_messages_locale()
2880 #define synchronize_system_time_locale()
2882 void shut_down_emacs
P_ ((int, int, Lisp_Object
));
2883 /* Nonzero means don't do interactive redisplay and don't change tty modes */
2884 extern int noninteractive
;
2885 /* Nonzero means don't do use window-system-specific display code */
2886 extern int inhibit_window_system
;
2887 /* Nonzero means that a filter or a sentinel is running. */
2888 extern int running_asynch_code
;
2890 /* defined in process.c */
2891 EXFUN (Fget_process
, 1);
2892 EXFUN (Fget_buffer_process
, 1);
2893 EXFUN (Fprocessp
, 1);
2894 EXFUN (Fprocess_status
, 1);
2895 EXFUN (Fkill_process
, 2);
2896 EXFUN (Fprocess_send_eof
, 1);
2897 EXFUN (Fwaiting_for_user_input_p
, 0);
2898 extern Lisp_Object Qprocessp
;
2899 extern void kill_buffer_processes
P_ ((Lisp_Object
));
2900 extern int wait_reading_process_input
P_ ((int, int, Lisp_Object
, int));
2901 extern void deactivate_process
P_ ((Lisp_Object
));
2902 extern void add_keyboard_wait_descriptor
P_ ((int));
2903 extern void delete_keyboard_wait_descriptor
P_ ((int));
2904 extern void close_process_descs
P_ ((void));
2905 extern void status_notify
P_ ((void));
2906 extern int read_process_output
P_ ((Lisp_Object
, int));
2907 extern void init_process
P_ ((void));
2908 extern void syms_of_process
P_ ((void));
2909 extern void setup_process_coding_systems
P_ ((Lisp_Object
));
2911 /* defined in callproc.c */
2912 extern Lisp_Object Vexec_path
, Vexec_suffixes
,
2913 Vexec_directory
, Vdata_directory
;
2914 extern Lisp_Object Vdoc_directory
;
2915 EXFUN (Fcall_process
, MANY
);
2916 extern int child_setup
P_ ((int, int, int, char **, int, Lisp_Object
));
2917 extern void init_callproc_1
P_ ((void));
2918 extern void init_callproc
P_ ((void));
2919 extern void set_process_environment
P_ ((void));
2920 extern void syms_of_callproc
P_ ((void));
2922 /* defined in doc.c */
2923 extern Lisp_Object Vdoc_file_name
;
2924 EXFUN (Fsubstitute_command_keys
, 1);
2925 EXFUN (Fdocumentation
, 2);
2926 EXFUN (Fdocumentation_property
, 3);
2927 extern Lisp_Object read_doc_string
P_ ((Lisp_Object
));
2928 extern Lisp_Object get_doc_string
P_ ((Lisp_Object
, int, int));
2929 extern void syms_of_doc
P_ ((void));
2930 extern int read_bytecode_char
P_ ((int));
2932 /* defined in bytecode.c */
2933 extern Lisp_Object Qbytecode
;
2934 EXFUN (Fbyte_code
, 3);
2935 extern void syms_of_bytecode
P_ ((void));
2936 extern struct byte_stack
*byte_stack_list
;
2937 extern void mark_byte_stack
P_ ((void));
2938 extern void unmark_byte_stack
P_ ((void));
2940 /* defined in macros.c */
2941 extern Lisp_Object Qexecute_kbd_macro
;
2942 EXFUN (Fexecute_kbd_macro
, 3);
2943 EXFUN (Fcancel_kbd_macro_events
, 0);
2944 extern void init_macros
P_ ((void));
2945 extern void syms_of_macros
P_ ((void));
2947 /* defined in undo.c */
2948 extern Lisp_Object Qinhibit_read_only
;
2949 EXFUN (Fundo_boundary
, 0);
2950 extern Lisp_Object truncate_undo_list
P_ ((Lisp_Object
, int, int));
2951 extern void record_marker_adjustment
P_ ((Lisp_Object
, int));
2952 extern void record_insert
P_ ((int, int));
2953 extern void record_delete
P_ ((int, Lisp_Object
));
2954 extern void record_first_change
P_ ((void));
2955 extern void record_change
P_ ((int, int));
2956 extern void record_property_change
P_ ((int, int, Lisp_Object
, Lisp_Object
,
2958 extern void syms_of_undo
P_ ((void));
2960 /* defined in textprop.c */
2961 extern Lisp_Object Qfont
, Qmouse_face
;
2962 extern Lisp_Object Qinsert_in_front_hooks
, Qinsert_behind_hooks
;
2963 EXFUN (Fnext_single_property_change
, 4);
2964 EXFUN (Fnext_single_char_property_change
, 4);
2965 EXFUN (Fprevious_single_property_change
, 4);
2966 EXFUN (Fput_text_property
, 5);
2967 EXFUN (Fprevious_char_property_change
, 2);
2968 EXFUN (Fnext_char_property_change
, 2);
2969 extern void report_interval_modification
P_ ((Lisp_Object
, Lisp_Object
));
2970 extern Lisp_Object next_single_char_property_change
P_ ((Lisp_Object
,
2975 /* defined in xmenu.c */
2976 EXFUN (Fx_popup_menu
, 2);
2977 EXFUN (Fx_popup_dialog
, 2);
2978 extern void syms_of_xmenu
P_ ((void));
2979 extern int popup_activated_flag
;
2981 /* defined in sysdep.c */
2982 extern void stuff_char
P_ ((char c
));
2983 extern void init_sigio
P_ ((int));
2984 extern void request_sigio
P_ ((void));
2985 extern void unrequest_sigio
P_ ((void));
2986 extern void reset_sys_modes
P_ ((void));
2987 extern void sys_subshell
P_ ((void));
2988 extern void sys_suspend
P_ ((void));
2989 extern void discard_tty_input
P_ ((void));
2990 extern void init_sys_modes
P_ ((void));
2991 extern void reset_sys_modes
P_ ((void));
2992 extern void get_frame_size
P_ ((int *, int *));
2993 extern void wait_for_termination
P_ ((int));
2994 extern void flush_pending_output
P_ ((int));
2995 extern void child_setup_tty
P_ ((int));
2996 extern void setup_pty
P_ ((int));
2997 extern int set_window_size
P_ ((int, int, int));
2998 extern void create_process
P_ ((Lisp_Object
, char **, Lisp_Object
));
2999 extern int tabs_safe_p
P_ ((void));
3000 extern void init_baud_rate
P_ ((void));
3001 extern int emacs_open
P_ ((const char *, int, int));
3002 extern int emacs_close
P_ ((int));
3003 extern int emacs_read
P_ ((int, char *, unsigned int));
3004 extern int emacs_write
P_ ((int, const char *, unsigned int));
3006 /* defined in filelock.c */
3007 EXFUN (Funlock_buffer
, 0);
3008 EXFUN (Ffile_locked_p
, 1);
3009 extern void unlock_all_files
P_ ((void));
3010 extern void lock_file
P_ ((Lisp_Object
));
3011 extern void unlock_file
P_ ((Lisp_Object
));
3012 extern void unlock_buffer
P_ ((struct buffer
*));
3013 extern void syms_of_filelock
P_ ((void));
3014 extern void init_filelock
P_ ((void));
3016 /* Defined in sound.c */
3017 extern void syms_of_sound
P_ ((void));
3018 extern void init_sound
P_ ((void));
3020 /* Defined in category.c */
3021 extern void init_category_once
P_ ((void));
3022 extern void syms_of_category
P_ ((void));
3024 /* Defined in ccl.c */
3025 extern void syms_of_ccl
P_ ((void));
3027 /* Defined in dired.c */
3028 EXFUN (Ffile_attributes
, 1);
3029 extern void syms_of_dired
P_ ((void));
3031 /* Defined in term.c */
3032 extern void syms_of_term
P_ ((void));
3033 extern void fatal () NO_RETURN
;
3035 #ifdef HAVE_X_WINDOWS
3036 /* Defined in fontset.c */
3037 extern void syms_of_fontset
P_ ((void));
3038 EXFUN (Fset_fontset_font
, 4);
3041 /* Defined in xfaces.c */
3042 extern void syms_of_xfaces
P_ ((void));
3044 /* Defined in getloadavg.c */
3045 extern int getloadavg
P_ ((double *, int));
3047 #ifdef HAVE_X_WINDOWS
3048 /* Defined in xfns.c */
3049 extern void syms_of_xfns
P_ ((void));
3050 extern void init_xfns
P_ ((void));
3051 extern Lisp_Object Vx_resource_name
;
3052 extern Lisp_Object Vx_resource_class
;
3053 EXFUN (Fxw_display_color_p
, 1);
3054 EXFUN (Fx_file_dialog
, 4);
3055 #endif /* HAVE_X_WINDOWS */
3057 /* Defined in xsmfns.c */
3058 extern void syms_of_xsmfns
P_ ((void));
3060 /* Defined in xselect.c */
3061 extern void syms_of_xselect
P_ ((void));
3063 /* Defined in xterm.c */
3064 extern void syms_of_xterm
P_ ((void));
3066 /* Defined in getloadavg.c */
3067 extern int getloadavg
P_ ((double [], int));
3069 /* Nonzero means Emacs has already been initialized.
3070 Used during startup to detect startup of dumped Emacs. */
3071 extern int initialized
;
3073 extern int immediate_quit
; /* Nonzero means ^G can quit instantly */
3075 extern POINTER_TYPE
*xmalloc
P_ ((size_t));
3076 extern POINTER_TYPE
*xrealloc
P_ ((POINTER_TYPE
*, size_t));
3077 extern void xfree
P_ ((POINTER_TYPE
*));
3079 extern char *xstrdup
P_ ((const char *));
3082 extern char *egetenv
P_ ((char *));
3085 /* Set up the name of the machine we're running on. */
3086 extern void init_system_name
P_ ((void));
3088 /* Some systems (e.g., NT) use a different path separator than Unix,
3089 in addition to a device separator. Default the path separator
3090 to '/', and don't test for a device separator in IS_ANY_SEP. */
3093 extern Lisp_Object Vdirectory_sep_char
;
3096 #ifndef DIRECTORY_SEP
3097 #define DIRECTORY_SEP '/'
3099 #ifndef IS_DIRECTORY_SEP
3100 #define IS_DIRECTORY_SEP(_c_) ((_c_) == DIRECTORY_SEP)
3102 #ifndef IS_DEVICE_SEP
3104 #define IS_DEVICE_SEP(_c_) 0
3106 #define IS_DEVICE_SEP(_c_) ((_c_) == DEVICE_SEP)
3110 #define IS_ANY_SEP(_c_) (IS_DIRECTORY_SEP (_c_))
3113 #ifdef SWITCH_ENUM_BUG
3114 #define SWITCH_ENUM_CAST(x) ((int)(x))
3116 #define SWITCH_ENUM_CAST(x) (x)
3119 /* Loop over Lisp list LIST. Signal an error if LIST is not a proper
3120 list, or if it contains circles.
3122 HARE and TORTOISE should be the names of Lisp_Object variables, and
3123 N should be the name of an EMACS_INT variable declared in the
3124 function where the macro is used. Each nested loop should use
3127 In the loop body, HARE is set to each cons of LIST, and N is the
3128 length of the list processed so far. */
3130 #define LIST_END_P(list, obj) \
3135 : (wrong_type_argument (Qlistp, (list))), 1))
3137 #define FOREACH(hare, list, tortoise, n) \
3138 for (tortoise = hare = (list), n = 0; \
3139 !LIST_END_P (list, hare); \
3140 (hare = XCDR (hare), ++n, \
3142 ? (tortoise = XCDR (tortoise), \
3143 (EQ (hare, tortoise) \
3144 && (circular_list_error ((list)), 1))) \
3147 /* The ubiquitous min and max macros. */
3153 #define min(a, b) ((a) < (b) ? (a) : (b))
3154 #define max(a, b) ((a) > (b) ? (a) : (b))
3156 /* Return a fixnum or float, depending on whether VAL fits in a Lisp
3159 #define make_fixnum_or_float(val) \
3160 (FIXNUM_OVERFLOW_P (val) \
3161 ? make_float (val) \
3162 : make_number ((EMACS_INT)(val)))