1 /* Fundamental definitions for GNU Emacs Lisp interpreter.
2 Copyright (C) 1985, 1986, 1987, 1993, 1994 Free Software Foundation, Inc.
4 This file is part of GNU Emacs.
6 GNU Emacs is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2, or (at your option)
11 GNU Emacs is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with GNU Emacs; see the file COPYING. If not, write to
18 the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
21 /* These are default choices for the types to use. */
26 #define EMACS_UINT unsigned int
29 /* Define the fundamental Lisp data structures */
31 /* This is the set of Lisp data types */
35 /* Integer. XINT(obj) is the integer value. */
38 /* Symbol. XSYMBOL (object) points to a struct Lisp_Symbol. */
41 /* Miscellaneous. XMISC (object) points to a union Lisp_Misc,
42 whose first member indicates the subtype. */
45 /* String. XSTRING (object) points to a struct Lisp_String.
46 The length of the string, and its contents, are stored therein. */
49 /* Vector of Lisp objects, or something resembling it.
50 XVECTOR(object) points to a struct Lisp_Vector, which contains
51 the size and contents. The size field also contains the type
52 information, if it's not a real vector object. */
55 /* Cons. XCONS (object) points to a struct Lisp_Cons. */
58 /* Byte-compiled function. A vector of 4 to 6 elements which are the
59 arglist, bytecode-string, constant vector, stack size,
60 (optional) doc string, and (optional) interactive spec. */
63 /* Editor buffer. XBUFFER(obj) points to a struct buffer. */
66 /* Built-in function. XSUBR(obj) points to a struct Lisp_Subr
67 which describes how to call the function, and its documentation,
68 as well as pointing to the code. */
71 /* Object describing a connection to a subprocess.
72 It points to storage of type struct Lisp_Process */
76 /* Pointer to a vector-like object describing a display frame
77 on which Emacs can display a window hierarchy. We don't define
78 this unless MULTI_FRAME is defined; this helps the compiler catch
79 code that won't work on a non-MULTI_FRAME configuration. */
83 /* Window used for Emacs display.
84 Data inside looks like a Lisp_Vector. */
87 /* Used by save,set,restore-window-configuration */
88 OBSOLETE_Lisp_Window_Configuration
,
90 #ifdef LISP_FLOAT_TYPE
92 #endif /* LISP_FLOAT_TYPE */
94 /* This is not a type code. It is for range checking. */
98 /* This is the set of datatypes that share a common structure.
99 The first member of the structure is a type code from this set. */
107 Lisp_Misc_Buffer_Objfwd
,
108 Lisp_Misc_Buffer_Local_Value
,
109 Lisp_Misc_Some_Buffer_Local_Value
,
113 #ifndef NO_UNION_TYPE
115 #ifndef WORDS_BIG_ENDIAN
117 /* Definition of Lisp_Object for little-endian machines. */
122 /* Used for comparing two Lisp_Objects;
123 also, positive integers can be accessed fast this way. */
133 unsigned int val
: 24;
138 unsigned int val
: 24;
139 enum Lisp_Type type
: 7;
140 /* The markbit is not really part of the value of a Lisp_Object,
141 and is always zero except during garbage collection. */
142 unsigned int markbit
: 1;
147 #else /* If WORDS_BIG_ENDIAN */
152 /* Used for comparing two Lisp_Objects;
153 also, positive integers can be accessed fast this way. */
164 unsigned int val
: 24;
168 /* The markbit is not really part of the value of a Lisp_Object,
169 and is always zero except during garbage collection. */
170 unsigned int markbit
: 1;
171 enum Lisp_Type type
: 7;
172 unsigned int val
: 24;
177 #endif /* WORDS_BIG_ENDIAN */
179 #endif /* NO_UNION_TYPE */
182 /* If union type is not wanted, define Lisp_Object as just a number
183 and define the macros below to extract fields by shifting */
187 #define Lisp_Object EMACS_INT
189 /* These values are overridden by the m- file on some machines. */
199 #define VALMASK ((((EMACS_INT) 1)<<VALBITS) - 1)
201 #define GCTYPEMASK ((((EMACS_INT) 1)<<GCTYPEBITS) - 1)
203 /* Two flags that are set during GC. On some machines, these flags
204 are defined differently by the m- file. */
206 /* This is set in the car of a cons and in the plist slot of a symbol
207 to indicate it is marked. Likewise in the plist slot of an interval,
208 the chain slot of a marker, the type slot of a float, and the name
211 In strings, this bit in the size field indicates that the string
212 is a "large" one, one which was separately malloc'd
213 rather than being part of a string block. */
216 #define MARKBIT (1 << (VALBITS + GCTYPEBITS))
219 /* In the size word of a vector, this bit means the vector has been marked.
220 In the size word of a large string, likewise. */
222 #ifndef ARRAY_MARK_FLAG
223 #define ARRAY_MARK_FLAG ((MARKBIT >> 1) & ~MARKBIT)
224 #endif /* no ARRAY_MARK_FLAG */
226 /* In the size word of a struct Lisp_Vector, this bit means it's really
227 some other vector-like object. */
228 #ifndef PSEUDOVECTOR_FLAG
229 #define PSEUDOVECTOR_FLAG ((ARRAY_MARK_FLAG >> 1) & ~ARRAY_MARK_FLAG)
232 /* In a pseudo-vector, the size field actually contains a word with one
233 PSEUDOVECTOR_FLAG bit set, and exactly one of the following bits to
234 indicate the actual type. */
235 #define PVEC_BUFFER 0x100
236 #define PVEC_PROCESS 0x200
237 #define PVEC_FRAME 0x400
238 #define PVEC_COMPILED 0x800
239 #define PVEC_WINDOW 0x1000
240 #define PVEC_WINDOW_CONFIGURATION 0x2000
242 /* For convenience, we also store the number of elements in these bits. */
243 #define PSEUDOVECTOR_SIZE_MASK 0xff
245 #if ARRAY_MARK_FLAG == MARKBIT || PSEUDOVECTOR_FLAG == ARRAY_MARK_FLAG || PSEUDOVECTOR_FLAG == MARKBIT
249 #endif /* NO_UNION_TYPE */
251 /* These macros extract various sorts of values from a Lisp_Object.
252 For example, if tem is a Lisp_Object whose type is Lisp_Cons,
253 XCONS (tem) is the struct Lisp_Cons * pointing to the memory for that cons. */
257 /* One need to override this if there must be high bits set in data space
258 (doing the result of the below & ((1 << (GCTYPE + 1)) - 1) would work
259 on all machines, but would penalise machines which don't need it)
262 #define XTYPE(a) ((enum Lisp_Type) ((a) >> VALBITS))
266 #define XSETTYPE(a, b) ((a) = XUINT (a) | ((EMACS_INT)(b) << VALBITS))
269 /* For integers known to be positive, XFASTINT provides fast retrieval
270 and XSETFASTINT provides fast storage. This takes advantage of the
271 fact that Lisp_Int is 0. */
272 #define XFASTINT(a) ((a) + 0)
273 #define XSETFASTINT(a, b) ((a) = (b))
275 /* Extract the value of a Lisp_Object as a signed integer. */
277 #ifndef XINT /* Some machines need to do this differently. */
278 #define XINT(a) (((a) << (INTBITS-VALBITS)) >> (INTBITS-VALBITS))
281 /* Extract the value as an unsigned integer. This is a basis
282 for extracting it as a pointer to a structure in storage. */
285 #define XUINT(a) ((a) & VALMASK)
290 /* In this representation, data is found in two widely separated segments. */
291 extern int pure_size
;
293 (XUINT (a) | (XUINT (a) > pure_size ? DATA_SEG_BITS : PURE_SEG_BITS))
294 #else /* not HAVE_SHM */
296 /* This case is used for the rt-pc.
297 In the diffs I was given, it checked for ptr = 0
298 and did not adjust it in that case.
299 But I don't think that zero should ever be found
300 in a Lisp object whose data type says it points to something. */
301 #define XPNTR(a) (XUINT (a) | DATA_SEG_BITS)
303 #define XPNTR(a) XUINT (a)
305 #endif /* not HAVE_SHM */
306 #endif /* no XPNTR */
309 #define XSET(var, type, ptr) \
310 ((var) = ((EMACS_INT)(type) << VALBITS) + ((EMACS_INT) (ptr) & VALMASK))
313 /* During garbage collection, XGCTYPE must be used for extracting types
314 so that the mark bit is ignored. XMARKBIT accesses the markbit.
315 Markbits are used only in particular slots of particular structure types.
316 Other markbits are always zero.
317 Outside of garbage collection, all mark bits are always zero. */
320 #define XGCTYPE(a) ((enum Lisp_Type) (((a) >> VALBITS) & GCTYPEMASK))
323 #if VALBITS + GCTYPEBITS == INTBITS - 1
324 /* Make XMARKBIT faster if mark bit is sign bit. */
326 #define XMARKBIT(a) ((a) < 0)
328 #endif /* markbit is sign bit */
331 #define XMARKBIT(a) ((a) & MARKBIT)
335 #define XSETMARKBIT(a,b) ((a) = ((a) & ~MARKBIT) | ((b) ? MARKBIT : 0))
339 #define XMARK(a) ((a) |= MARKBIT)
343 #define XUNMARK(a) ((a) &= ~MARKBIT)
346 #endif /* NO_UNION_TYPE */
348 #ifndef NO_UNION_TYPE
350 #define XTYPE(a) ((enum Lisp_Type) (a).u.type)
351 #define XSETTYPE(a, b) ((a).u.type = (char) (b))
353 /* For integers known to be positive, XFASTINT provides fast retrieval
354 and XSETFASTINT provides fast storage. This takes advantage of the
355 fact that Lisp_Int is 0. */
356 #define XFASTINT(a) ((a).i + 0)
357 #define XSETFASTINT(a, b) ((a).i = (b))
359 #ifdef EXPLICIT_SIGN_EXTEND
360 /* Make sure we sign-extend; compilers have been known to fail to do so. */
361 #define XINT(a) (((a).i << 8) >> 8)
363 #define XINT(a) ((a).s.val)
364 #endif /* EXPLICIT_SIGN_EXTEND */
366 #define XUINT(a) ((a).u.val)
367 #define XPNTR(a) ((a).u.val)
369 #define XSET(var, vartype, ptr) \
370 (((var).s.type = ((char) (vartype))), ((var).s.val = ((int) (ptr))))
372 /* During garbage collection, XGCTYPE must be used for extracting types
373 so that the mark bit is ignored. XMARKBIT access the markbit.
374 Markbits are used only in particular slots of particular structure types.
375 Other markbits are always zero.
376 Outside of garbage collection, all mark bits are always zero. */
378 #define XGCTYPE(a) ((a).gu.type)
379 #define XMARKBIT(a) ((a).gu.markbit)
380 #define XSETMARKBIT(a,b) (XMARKBIT(a) = (b))
381 #define XMARK(a) (XMARKBIT(a) = 1)
382 #define XUNMARK(a) (XMARKBIT(a) = 0)
384 #endif /* NO_UNION_TYPE */
387 #define XCONS(a) ((struct Lisp_Cons *) XPNTR(a))
388 #define XBUFFER(a) ((struct buffer *) XPNTR(a))
389 #define XVECTOR(a) ((struct Lisp_Vector *) XPNTR(a))
390 #define XSUBR(a) ((struct Lisp_Subr *) XPNTR(a))
391 #define XSTRING(a) ((struct Lisp_String *) XPNTR(a))
392 #define XSYMBOL(a) ((struct Lisp_Symbol *) XPNTR(a))
393 #define XMISC(a) ((union Lisp_Misc *) XPNTR(a))
394 #define XWINDOW(a) ((struct window *) XPNTR(a))
395 #define XPROCESS(a) ((struct Lisp_Process *) XPNTR(a))
396 #define XFLOAT(a) ((struct Lisp_Float *) XPNTR(a))
397 #define XMARKER(a) (&(XMISC(a)->u_marker))
398 #define XINTFWD(a) (&(XMISC(a)->u_intfwd))
399 #define XBOOLFWD(a) (&(XMISC(a)->u_boolfwd))
400 #define XOBJFWD(a) (&(XMISC(a)->u_objfwd))
401 #define XBUFFER_OBJFWD(a) (&(XMISC(a)->u_buffer_objfwd))
402 #define XBUFFER_LOCAL_VALUE(a) (&(XMISC(a)->u_buffer_local_value))
403 #define XOVERLAY(a) (&(XMISC(a)->u_overlay))
405 #define XSETINT(a, b) XSET (a, Lisp_Int, b)
406 #define XSETCONS(a, b) XSET (a, Lisp_Cons, b)
407 #define XSETBUFFER(a, b) XSET (a, Lisp_Buffer, b)
408 #define XSETVECTOR(a, b) XSET (a, Lisp_Vectorlike, b)
409 #define XSETSUBR(a, b) XSET (a, Lisp_Subr, b)
410 #define XSETSTRING(a, b) XSET (a, Lisp_String, b)
411 #define XSETSYMBOL(a, b) XSET (a, Lisp_Symbol, b)
412 #define XSETMISC(a, b) XSET (a, Lisp_Misc, b)
413 #define XSETWINDOW(a, b) XSET (a, Lisp_Window, b)
414 #define XSETPROCESS(a, b) XSET (a, Lisp_Process, b)
415 #define XSETFLOAT(a, b) XSET (a, Lisp_Float, b)
416 #define XSETPSEUDOVECTOR(a, b, code) (XSETVECTOR (a, b), XVECTOR (a)->size |= PSEUDOVECTOR_FLAG | (code))
417 #define XSETWINDOW_CONFIGURATION(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_WINDOW_CONFIGURATION))
418 #define XSETCOMPILED(a, b) XSET (a, Lisp_Compiled, b)
419 #define XSETMARKER(a, b) (XSETMISC (a, b), XMISC (a)->type = Lisp_Misc_Marker)
421 #ifdef USE_TEXT_PROPERTIES
422 /* Basic data type for use of intervals. See the macros in intervals.h */
426 /* The first group of entries deal with the tree structure. */
428 unsigned int total_length
; /* Length of myself and both children. */
429 unsigned int position
; /* Cache of interval's character position */
430 struct interval
*left
; /* Intervals which precede me. */
431 struct interval
*right
; /* Intervals which succeed me. */
433 /* Parent in the tree, or the Lisp_Object containing this interval tree.
435 The mark bit on the root interval of an interval tree says
436 whether we have started (and possibly finished) marking the
437 tree. If GC comes across an interval tree whose root's parent
438 field has its markbit set, it leaves the tree alone.
440 You'd think we could store this information in the parent object
441 somewhere (after all, that should be visited once and then
442 ignored too, right?), but strings are GC'd strangely. */
443 struct interval
*parent
;
445 /* The remaining components are `properties' of the interval.
446 The first four are duplicates for things which can be on the list,
447 for purposes of speed. */
449 unsigned char write_protect
; /* Non-zero means can't modify. */
450 unsigned char visible
; /* Zero means don't display. */
451 unsigned char front_sticky
; /* Non-zero means text inserted just
452 before this interval goes into it. */
453 unsigned char rear_sticky
; /* Likewise for just after it. */
455 /* Properties of this interval.
456 The mark bit on this field says whether this particular interval
457 tree node has been visited. Since intervals should never be
458 shared, GC aborts if it seems to have visited an interval twice. */
462 typedef struct interval
*INTERVAL
;
464 /* Complain if object is not string or buffer type */
465 #define CHECK_STRING_OR_BUFFER(x, i) \
466 { if (!STRINGP ((x)) && !BUFFERP ((x))) \
467 x = wrong_type_argument (Qbuffer_or_string_p, (x)); }
469 /* Macro used to conditionally compile intervals into certain data
470 structures. See, e.g., struct Lisp_String below. */
471 #define DECLARE_INTERVALS INTERVAL intervals;
473 /* Macro used to conditionally compile interval initialization into
474 certain code. See, e.g., alloc.c. */
475 #define INITIALIZE_INTERVAL(ptr,val) ptr->intervals = val
477 #else /* No text properties */
479 /* If no intervals are used, make the above definitions go away. */
481 #define CHECK_STRING_OR_BUFFER(x, i)
484 #define DECLARE_INTERVALS
485 #define INITIALIZE_INTERVAL(ptr,val)
487 #endif /* USE_TEXT_PROPERTIES */
489 /* In a cons, the markbit of the car is the gc mark bit */
493 Lisp_Object car
, cdr
;
496 /* Like a cons, but records info on where the text lives that it was read from */
497 /* This is not really in use now */
499 struct Lisp_Buffer_Cons
501 Lisp_Object car
, cdr
;
502 struct buffer
*buffer
;
506 /* In a string or vector, the sign bit of the `size' is the gc mark bit */
511 DECLARE_INTERVALS
/* `data' field must be last. */
512 unsigned char data
[1];
515 /* If a struct is made to look like a vector, this macro returns the length
517 #define VECSIZE(type) ((sizeof (type) - (sizeof (struct Lisp_Vector) \
518 - sizeof (Lisp_Object))) \
519 / sizeof (Lisp_Object))
524 struct Lisp_Vector
*next
;
525 Lisp_Object contents
[1];
528 /* In a symbol, the markbit of the plist is used as the gc mark bit */
532 struct Lisp_String
*name
;
534 Lisp_Object function
;
536 struct Lisp_Symbol
*next
; /* -> next symbol in this obarray bucket */
541 Lisp_Object (*function
) ();
542 short min_args
, max_args
;
548 /* A miscellaneous object, when it's on the free list. */
551 enum Lisp_Misc_Type type
; /* = Lisp_Misc_Free */
552 union Lisp_Misc
*chain
;
555 /* In a marker, the markbit of the chain field is used as the gc mark bit */
558 enum Lisp_Misc_Type type
; /* = Lisp_Misc_Marker */
559 struct buffer
*buffer
;
564 /* Forwarding pointer to an int variable.
565 This is allowed only in the value cell of a symbol,
566 and it means that the symbol's value really lives in the
567 specified int variable. */
570 enum Lisp_Misc_Type type
; /* = Lisp_Misc_Intfwd */
574 /* Boolean forwarding pointer to an int variable.
575 This is like Lisp_Intfwd except that the ostensible
576 "value" of the symbol is t if the int variable is nonzero,
577 nil if it is zero. */
580 enum Lisp_Misc_Type type
; /* = Lisp_Misc_Boolfwd */
584 /* Forwarding pointer to a Lisp_Object variable.
585 This is allowed only in the value cell of a symbol,
586 and it means that the symbol's value really lives in the
587 specified variable. */
590 enum Lisp_Misc_Type type
; /* = Lisp_Misc_Objfwd */
594 /* Like Lisp_Objfwd except that value lives in a slot in the
595 current buffer. Value is byte index of slot within buffer. */
596 struct Lisp_Buffer_Objfwd
598 enum Lisp_Misc_Type type
; /* = Lisp_Misc_Buffer_Objfwd */
602 /* Used in a symbol value cell when the symbol's value is per-buffer.
603 The actual contents resemble a cons cell which starts a list like this:
604 (REALVALUE BUFFER CURRENT-ALIST-ELEMENT . DEFAULT-VALUE).
606 The cons-like structure is for historical reasons; it might be better
607 to just put these elements into the struct, now.
609 BUFFER is the last buffer for which this symbol's value was
612 CURRENT-ALIST-ELEMENT is a pointer to an element of BUFFER's
613 local_var_alist, that being the element whose car is this
614 variable. Or it can be a pointer to the
615 (CURRENT-ALIST-ELEMENT . DEFAULT-VALUE),
616 if BUFFER does not have an element in its alist for this
617 variable (that is, if BUFFER sees the default value of this
620 If we want to examine or set the value and BUFFER is current,
621 we just examine or set REALVALUE. If BUFFER is not current, we
622 store the current REALVALUE value into CURRENT-ALIST-ELEMENT,
623 then find the appropriate alist element for the buffer now
624 current and set up CURRENT-ALIST-ELEMENT. Then we set
625 REALVALUE out of that element, and store into BUFFER.
627 If we are setting the variable and the current buffer does not
628 have an alist entry for this variable, an alist entry is
631 Note that REALVALUE can be a forwarding pointer. Each time it
632 is examined or set, forwarding must be done. Each time we
633 switch buffers, buffer-local variables which forward into C
634 variables are swapped immediately, so the C code can assume
635 that they are always up to date.
637 Lisp_Misc_Buffer_Local_Value and Lisp_Misc_Some_Buffer_Local_Value
638 use the same substructure. The difference is that with the latter,
639 merely setting the variable while some buffer is current
640 does not cause that buffer to have its own local value of this variable.
641 Only make-local-variable does that. */
642 struct Lisp_Buffer_Local_Value
644 enum Lisp_Misc_Type type
; /* = Lisp_Misc_Buffer_Local_Value
645 or Lisp_Misc_Some_Buffer_Local_Value */
646 Lisp_Object car
, cdr
;
649 /* In an overlay object, the mark bit of the plist is used as the GC mark.
650 START and END are markers in the overlay's buffer, and
651 PLIST is the overlay's property list. */
654 enum Lisp_Misc_Type type
; /* = Lisp_Misc_Overlay */
655 Lisp_Object start
, end
, plist
;
659 enum Lisp_Misc_Type type
;
660 struct Lisp_Free u_free
;
661 struct Lisp_Marker u_marker
;
662 struct Lisp_Intfwd u_intfwd
;
663 struct Lisp_Boolfwd u_boolfwd
;
664 struct Lisp_Objfwd u_objfwd
;
665 struct Lisp_Buffer_Objfwd u_buffer_objfwd
;
666 struct Lisp_Buffer_Local_Value u_buffer_local_value
;
667 struct Lisp_Overlay u_overlay
;
670 #ifdef LISP_FLOAT_TYPE
671 /* Optional Lisp floating point type */
674 Lisp_Object type
; /* essentially used for mark-bit
675 and chaining when on free-list */
678 #endif /* LISP_FLOAT_TYPE */
680 /* A character, declared with the following typedef, is a member
681 of some character set associated with the current buffer. */
682 #ifndef _UCHAR_T /* Protect against something in ctab.h on AIX. */
684 typedef unsigned char UCHAR
;
687 /* Meanings of slots in a Lisp_Compiled: */
689 #define COMPILED_ARGLIST 0
690 #define COMPILED_BYTECODE 1
691 #define COMPILED_CONSTANTS 2
692 #define COMPILED_STACK_DEPTH 3
693 #define COMPILED_DOC_STRING 4
694 #define COMPILED_INTERACTIVE 5
696 /* Flag bits in a character. These also get used in termhooks.h.
697 Richard Stallman <rms@gnu.ai.mit.edu> thinks that MULE
698 (MUlti-Lingual Emacs) might need 18 bits for the character value
699 itself, so we probably shouldn't use any bits lower than 0x040000. */
700 #define CHAR_ALT (0x040000)
701 #define CHAR_SUPER (0x080000)
702 #define CHAR_HYPER (0x100000)
703 #define CHAR_SHIFT (0x200000)
704 #define CHAR_CTL (0x400000)
705 #define CHAR_META (0x800000)
709 /* Use this for turning a (void *) into a Lisp_Object, as when the
710 Lisp_Object is passed into a toolkit callback function. */
711 #define VOID_TO_LISP(larg,varg) \
712 do { ((larg) = ((Lisp_Object) (varg))); } while (0)
713 #define CVOID_TO_LISP VOID_TO_LISP
715 /* Use this for turning a Lisp_Object into a (void *), as when the
716 Lisp_Object is passed into a toolkit callback function. */
717 #define LISP_TO_VOID(larg) ((void *) (larg))
718 #define LISP_TO_CVOID(varg) ((const void *) (larg))
720 #else /* not NO_UNION_TYPE */
721 /* Use this for turning a (void *) into a Lisp_Object, as when the
722 Lisp_Object is passed into a toolkit callback function. */
723 #define VOID_TO_LISP(larg,varg) \
724 do { ((larg).v = (void *) (varg)); } while (0)
725 #define CVOID_TO_LISP(larg,varg) \
726 do { ((larg).cv = (const void *) (varg)); } while (0)
728 /* Use this for turning a Lisp_Object into a (void *), as when the
729 Lisp_Object is passed into a toolkit callback function. */
730 #define LISP_TO_VOID(larg) ((larg).v)
731 #define LISP_TO_CVOID(larg) ((larg).cv)
732 #endif /* not NO_UNION_TYPE */
733 #endif /* USE_X_TOOLKIT */
736 /* The glyph datatype, used to represent characters on the display. */
738 /* The low eight bits are the character code, and the bits above them
739 are the numeric face ID. If FID is the face ID of a glyph on a
740 frame F, then F->display.x->faces[FID] contains the description of
741 that face. This is an int instead of a short, so we can support a
742 good bunch of face ID's; given that we have no mechanism for
743 tossing unused frame face ID's yet, we'll probably run out of 255
745 #define GLYPH unsigned int
748 /* The FAST macros assume that we already know we're in an X window. */
750 /* Given a character code and a face ID, return the appropriate glyph. */
751 #define FAST_MAKE_GLYPH(char, face) ((char) | ((face) << 8))
753 /* Return a glyph's character code. */
754 #define FAST_GLYPH_CHAR(glyph) ((glyph) & 0xff)
756 /* Return a glyph's face ID. */
757 #define FAST_GLYPH_FACE(glyph) (((glyph) >> 8) & ((1 << 24) - 1))
759 /* Slower versions that test the frame type first. */
760 #define MAKE_GLYPH(f, char, face) (FRAME_TERMCAP_P (f) ? (char) \
761 : FAST_MAKE_GLYPH (char, face))
762 #define GLYPH_CHAR(f, g) (FRAME_TERMCAP_P (f) ? (g) : FAST_GLYPH_CHAR (g))
763 #define GLYPH_FACE(f, g) (FRAME_TERMCAP_P (f) ? (0) : FAST_GLYPH_FACE (g))
764 #else /* not HAVE_FACES */
765 #define MAKE_GLYPH(f, char, face) (char)
766 #define GLYPH_CHAR(f, g) (g)
767 #define GLYPH_FACE(f, g) (g)
768 #endif /* not HAVE_FACES */
770 /* The ID of the mode line highlighting face. */
771 #define GLYPH_MODE_LINE_FACE 1
773 /* Data type checking */
775 #define NILP(x) (XFASTINT (x) == XFASTINT (Qnil))
776 #define GC_NILP(x) GC_EQ (x, Qnil)
778 #ifdef LISP_FLOAT_TYPE
779 #define NUMBERP(x) (INTEGERP (x) || FLOATP (x))
780 #define GC_NUMBERP(x) (GC_INTEGERP (x) || GC_FLOATP (x))
782 #define NUMBERP(x) (INTEGERP (x))
783 #define GC_NUMBERP(x) (GC_INTEGERP (x))
785 #define NATNUMP(x) (INTEGERP (x) && XINT (x) >= 0)
786 #define GC_NATNUMP(x) (GC_INTEGERP (x) && XINT (x) >= 0)
788 #define INTEGERP(x) (XTYPE ((x)) == Lisp_Int)
789 #define GC_INTEGERP(x) (XGCTYPE ((x)) == Lisp_Int)
790 #define SYMBOLP(x) (XTYPE ((x)) == Lisp_Symbol)
791 #define GC_SYMBOLP(x) (XGCTYPE ((x)) == Lisp_Symbol)
792 #define MISCP(x) (XTYPE ((x)) == Lisp_Misc)
793 #define GC_MISCP(x) (XGCTYPE ((x)) == Lisp_Misc)
794 #define VECTORLIKEP(x) (XTYPE ((x)) == Lisp_Vectorlike)
795 #define GC_VECTORLIKEP(x) (XGCTYPE ((x)) == Lisp_Vectorlike)
796 #define STRINGP(x) (XTYPE ((x)) == Lisp_String)
797 #define GC_STRINGP(x) (XGCTYPE ((x)) == Lisp_String)
798 #define CONSP(x) (XTYPE ((x)) == Lisp_Cons)
799 #define GC_CONSP(x) (XGCTYPE ((x)) == Lisp_Cons)
800 #define COMPILEDP(x) (XTYPE ((x)) == Lisp_Compiled)
801 #define GC_COMPILEDP(x) (XGCTYPE ((x)) == Lisp_Compiled)
802 #define BUFFERP(x) (XTYPE ((x)) == Lisp_Buffer)
803 #define GC_BUFFERP(x) (XGCTYPE ((x)) == Lisp_Buffer)
804 #define SUBRP(x) (XTYPE ((x)) == Lisp_Subr)
805 #define GC_SUBRP(x) (XGCTYPE ((x)) == Lisp_Subr)
806 #define PROCESSP(x) (XTYPE ((x)) == Lisp_Process)
807 #define GC_PROCESSP(x) (XGCTYPE ((x)) == Lisp_Process)
809 #define FRAMEP(x) (XTYPE ((x)) == Lisp_Frame)
810 #define GC_FRAMEP(x) (XGCTYPE ((x)) == Lisp_Frame)
813 /* We could use this in the !HAVE_MOUSE case also, but we prefer a compile-time
814 error message in case FRAMEP is used. */
815 #define FRAMEP(x) (EQ (x, Fselected_frame ()))
816 #define GC_FRAMEP(x) (GC_EQ (x, Fselected_frame ()))
819 #define WINDOWP(x) (XTYPE ((x)) == Lisp_Window)
820 #define GC_WINDOWP(x) (XGCTYPE ((x)) == Lisp_Window)
821 #define PSEUDOVECTORP(x, code) (VECTORLIKEP (x) && ((XVECTOR (x)->size & (PSEUDOVECTOR_FLAG | (code)))) == PSEUDOVECTOR_FLAG | (code))
822 #define GC_PSEUDOVECTORP(x, code) (GC_VECTORLIKEP (x) && ((XVECTOR (x)->size & (PSEUDOVECTOR_FLAG | (code)))) == PSEUDOVECTOR_FLAG | (code))
823 #define WINDOW_CONFIGURATIONP(x) PSEUDOVECTORP (x, PVEC_WINDOW_CONFIGURATION)
824 #define GC_WINDOW_CONFIGURATIONP(x) GC_PSEUDOVECTORP (x, PVEC_WINDOW_CONFIGURATION)
825 #ifdef LISP_FLOAT_TYPE
826 #define FLOATP(x) (XTYPE ((x)) == Lisp_Float)
827 #define GC_FLOATP(x) (XGCTYPE ((x)) == Lisp_Float)
829 #define FLOATP(x) (0)
830 #define GC_FLOATP(x) (0)
832 #define VECTORP(x) (VECTORLIKEP (x) && !(XVECTOR (x)->size & PSEUDOVECTOR_FLAG))
833 #define GC_VECTORP(x) (GC_VECTORLIKEP (x) && !(XVECTOR (x)->size & PSEUDOVECTOR_FLAG))
834 #define OVERLAYP(x) (MISCP (x) && XMISC (x)->type == Lisp_Misc_Overlay)
835 #define GC_OVERLAYP(x) (GC_MISCP (x) && XMISC (x)->type == Lisp_Misc_Overlay)
836 #define MARKERP(x) (MISCP (x) && XMISC (x)->type == Lisp_Misc_Marker)
837 #define GC_MARKERP(x) (GC_MISCP (x) && XMISC (x)->type == Lisp_Misc_Marker)
838 #define INTFWDP(x) (MISCP (x) && XMISC (x)->type == Lisp_Misc_Intfwd)
839 #define GC_INTFWDP(x) (GC_MISCP (x) && XMISC (x)->type == Lisp_Misc_Intfwd)
840 #define BOOLFWDP(x) (MISCP (x) && XMISC (x)->type == Lisp_Misc_Boolfwd)
841 #define GC_BOOLFWDP(x) (GC_MISCP (x) && XMISC (x)->type == Lisp_Misc_Boolfwd)
842 #define OBJFWDP(x) (MISCP (x) && XMISC (x)->type == Lisp_Misc_Objfwd)
843 #define GC_OBJFWDP(x) (GC_MISCP (x) && XMISC (x)->type == Lisp_Misc_Objfwd)
844 #define BUFFER_OBJFWDP(x) (MISCP (x) && XMISC (x)->type == Lisp_Misc_Buffer_Objfwd)
845 #define GC_BUFFER_OBJFWDP(x) (GC_MISCP (x) && XMISC (x)->type == Lisp_Misc_Buffer_Objfwd)
846 #define BUFFER_LOCAL_VALUEP(x) (MISCP (x) && XMISC (x)->type == Lisp_Misc_Buffer_Local_Value)
847 #define GC_BUFFER_LOCAL_VALUEP(x) (GC_MISCP (x) && XMISC (x)->type == Lisp_Misc_Buffer_Local_Value)
848 #define SOME_BUFFER_LOCAL_VALUEP(x) (MISCP (x) && XMISC (x)->type == Lisp_Misc_Some_Buffer_Local_Value)
849 #define GC_SOME_BUFFER_LOCAL_VALUEP(x) (GC_MISCP (x) && XMISC (x)->type == Lisp_Misc_Some_Buffer_Local_Value)
851 #define EQ(x, y) (XFASTINT (x) == XFASTINT (y))
852 #define GC_EQ(x, y) (XGCTYPE (x) == XGCTYPE (y) && XPNTR (x) == XPNTR (y))
854 #define CHECK_LIST(x, i) \
855 do { if (!CONSP ((x)) && !NILP (x)) x = wrong_type_argument (Qlistp, (x)); } while (0)
857 #define CHECK_STRING(x, i) \
858 do { if (!STRINGP ((x))) x = wrong_type_argument (Qstringp, (x)); } while (0)
860 #define CHECK_CONS(x, i) \
861 do { if (!CONSP ((x))) x = wrong_type_argument (Qconsp, (x)); } while (0)
863 #define CHECK_SYMBOL(x, i) \
864 do { if (!SYMBOLP ((x))) x = wrong_type_argument (Qsymbolp, (x)); } while (0)
866 #define CHECK_VECTOR(x, i) \
867 do { if (!VECTORP ((x))) x = wrong_type_argument (Qvectorp, (x)); } while (0)
869 #define CHECK_BUFFER(x, i) \
870 do { if (!BUFFERP ((x))) x = wrong_type_argument (Qbufferp, (x)); } while (0)
872 #define CHECK_WINDOW(x, i) \
873 do { if (!WINDOWP ((x))) x = wrong_type_argument (Qwindowp, (x)); } while (0)
875 /* This macro rejects windows on the interior of the window tree as
876 "dead", which is what we want; this is an argument-checking macro, and
877 the user should never get access to interior windows.
879 A window of any sort, leaf or interior, is dead iff the buffer,
880 vchild, and hchild members are all nil. */
882 #define CHECK_LIVE_WINDOW(x, i) \
885 || NILP (XWINDOW ((x))->buffer)) \
886 x = wrong_type_argument (Qwindow_live_p, (x)); \
889 #define CHECK_PROCESS(x, i) \
890 do { if (!PROCESSP ((x))) x = wrong_type_argument (Qprocessp, (x)); } while (0)
892 #define CHECK_NUMBER(x, i) \
893 do { if (!INTEGERP ((x))) x = wrong_type_argument (Qintegerp, (x)); } while (0)
895 #define CHECK_NATNUM(x, i) \
896 do { if (!NATNUMP (x)) x = wrong_type_argument (Qwholenump, (x)); } while (0)
898 #define CHECK_MARKER(x, i) \
899 do { if (!MARKERP ((x))) x = wrong_type_argument (Qmarkerp, (x)); } while (0)
901 #define CHECK_NUMBER_COERCE_MARKER(x, i) \
902 do { if (MARKERP ((x))) XSETFASTINT (x, marker_position (x)); \
903 else if (!INTEGERP ((x))) x = wrong_type_argument (Qinteger_or_marker_p, (x)); } while (0)
905 #ifdef LISP_FLOAT_TYPE
911 #define XFLOATINT(n) extract_float((n))
913 #define CHECK_FLOAT(x, i) \
914 do { if (!FLOATP (x)) \
915 x = wrong_type_argument (Qfloatp, (x)); } while (0)
917 #define CHECK_NUMBER_OR_FLOAT(x, i) \
918 do { if (!FLOATP (x) && !INTEGERP (x)) \
919 x = wrong_type_argument (Qnumberp, (x)); } while (0)
921 #define CHECK_NUMBER_OR_FLOAT_COERCE_MARKER(x, i) \
922 do { if (MARKERP (x)) XSETFASTINT (x, marker_position (x)); \
923 else if (!INTEGERP (x) && !FLOATP (x)) \
924 x = wrong_type_argument (Qnumber_or_marker_p, (x)); } while (0)
926 #else /* Not LISP_FLOAT_TYPE */
928 #define CHECK_NUMBER_OR_FLOAT CHECK_NUMBER
930 #define CHECK_NUMBER_OR_FLOAT_COERCE_MARKER CHECK_NUMBER_COERCE_MARKER
932 #define XFLOATINT(n) XINT((n))
933 #endif /* LISP_FLOAT_TYPE */
935 #define CHECK_OVERLAY(x, i) \
936 do { if (!OVERLAYP ((x))) x = wrong_type_argument (Qoverlayp, (x));} while (0)
938 /* Cast pointers to this type to compare them. Some machines want int. */
939 #ifndef PNTR_COMPARISON_TYPE
940 #define PNTR_COMPARISON_TYPE unsigned int
943 /* Define a built-in function for calling from Lisp.
944 `lname' should be the name to give the function in Lisp,
945 as a null-terminated C string.
946 `fnname' should be the name of the function in C.
947 By convention, it starts with F.
948 `sname' should be the name for the C constant structure
949 that records information on this function for internal use.
950 By convention, it should be the same as `fnname' but with S instead of F.
951 It's too bad that C macros can't compute this from `fnname'.
952 `minargs' should be a number, the minimum number of arguments allowed.
953 `maxargs' should be a number, the maximum number of arguments allowed,
954 or else MANY or UNEVALLED.
955 MANY means pass a vector of evaluated arguments,
956 in the form of an integer number-of-arguments
957 followed by the address of a vector of Lisp_Objects
958 which contains the argument values.
959 UNEVALLED means pass the list of unevaluated arguments
960 `prompt' says how to read arguments for an interactive call.
961 See the doc string for `interactive'.
962 A null string means call interactively with no arguments.
963 `doc' is documentation for the user. */
965 #if !defined (__STDC__) || defined (USE_NONANSI_DEFUN)
966 #define DEFUN(lname, fnname, sname, minargs, maxargs, prompt, doc) \
967 Lisp_Object fnname (); \
968 struct Lisp_Subr sname = {fnname, minargs, maxargs, lname, prompt, 0}; \
973 /* This version of DEFUN declares a function prototype with the right
974 arguments, so we can catch errors with maxargs at compile-time. */
975 #define DEFUN(lname, fnname, sname, minargs, maxargs, prompt, doc) \
976 Lisp_Object fnname DEFUN_ARGS_ ## maxargs ; \
977 struct Lisp_Subr sname = {fnname, minargs, maxargs, lname, prompt, 0}; \
980 /* Note that the weird token-substitution semantics of ANSI C makes
981 this work for MANY and UNEVALLED. */
982 #define DEFUN_ARGS_MANY (int, Lisp_Object *)
983 #define DEFUN_ARGS_UNEVALLED (Lisp_Object)
984 #define DEFUN_ARGS_0 (void)
985 #define DEFUN_ARGS_1 (Lisp_Object)
986 #define DEFUN_ARGS_2 (Lisp_Object, Lisp_Object)
987 #define DEFUN_ARGS_3 (Lisp_Object, Lisp_Object, Lisp_Object)
988 #define DEFUN_ARGS_4 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object)
989 #define DEFUN_ARGS_5 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, \
991 #define DEFUN_ARGS_6 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, \
992 Lisp_Object, Lisp_Object)
993 #define DEFUN_ARGS_7 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, \
994 Lisp_Object, Lisp_Object, Lisp_Object)
998 is how we define the symbol for function `name' at start-up time. */
999 extern void defsubr ();
1002 #define UNEVALLED -1
1004 extern void defvar_lisp ();
1005 extern void defvar_bool ();
1006 extern void defvar_int ();
1008 /* Macros we use to define forwarded Lisp variables.
1009 These are used in the syms_of_FILENAME functions. */
1011 #define DEFVAR_LISP(lname, vname, doc) defvar_lisp (lname, vname)
1012 #define DEFVAR_LISP_NOPRO(lname, vname, doc) defvar_lisp_nopro (lname, vname)
1013 #define DEFVAR_BOOL(lname, vname, doc) defvar_bool (lname, vname)
1014 #define DEFVAR_INT(lname, vname, doc) defvar_int (lname, vname)
1015 #define DEFVAR_PER_BUFFER(lname, vname, type, doc) \
1016 defvar_per_buffer (lname, vname, type, 0)
1018 /* Structure for recording Lisp call stack for backtrace purposes. */
1020 /* The special binding stack holds the outer values of variables while
1021 they are bound by a function application or a let form, stores the
1022 code to be executed for Lisp unwind-protect forms, and stores the C
1023 functions to be called for record_unwind_protect.
1025 If func is non-zero, undoing this binding applies func to old_value;
1026 This implements record_unwind_protect.
1027 If func is zero and symbol is nil, undoing this binding evaluates
1028 the list of forms in old_value; this implements Lisp's unwind-protect
1030 Otherwise, undoing this binding stores old_value as symbol's value; this
1031 undoes the bindings made by a let form or function call. */
1034 Lisp_Object symbol
, old_value
;
1035 Lisp_Object (*func
) ();
1036 Lisp_Object unused
; /* Dividing by 16 is faster than by 12 */
1039 extern struct specbinding
*specpdl
;
1040 extern struct specbinding
*specpdl_ptr
;
1041 extern int specpdl_size
;
1043 /* Everything needed to describe an active condition case. */
1046 /* The handler clauses and variable from the condition-case form. */
1047 Lisp_Object handler
;
1049 /* Fsignal stores here the condition-case clause that applies,
1050 and Fcondition_case thus knows which clause to run. */
1051 Lisp_Object chosen_clause
;
1053 /* Used to effect the longjump out to the handler. */
1054 struct catchtag
*tag
;
1056 /* The next enclosing handler. */
1057 struct handler
*next
;
1060 extern struct handler
*handlerlist
;
1062 extern struct catchtag
*catchlist
;
1063 extern struct backtrace
*backtrace_list
;
1065 extern Lisp_Object memory_signal_data
;
1067 /* An address near the bottom of the stack.
1068 Tells GC how to save a copy of the stack. */
1069 extern char *stack_bottom
;
1071 /* Check quit-flag and quit if it is non-nil. */
1074 if (!NILP (Vquit_flag) && NILP (Vinhibit_quit)) \
1075 { Vquit_flag = Qnil; Fsignal (Qquit, Qnil); }
1077 /* Nonzero if ought to quit now. */
1079 #define QUITP (!NILP (Vquit_flag) && NILP (Vinhibit_quit))
1081 /* 1 if CH is upper case. */
1083 #define UPPERCASEP(CH) \
1084 (XSTRING (current_buffer->downcase_table)->data[CH] != (CH))
1086 /* 1 if CH is lower case. */
1088 #define LOWERCASEP(CH) \
1090 && XSTRING (current_buffer->upcase_table)->data[CH] != (CH))
1092 /* 1 if CH is neither upper nor lower case. */
1094 #define NOCASEP(CH) (XSTRING (current_buffer->upcase_table)->data[CH] == (CH))
1096 /* Upcase a character, or make no change if that cannot be done. */
1098 #define UPCASE(CH) \
1099 (XSTRING (current_buffer->downcase_table)->data[CH] == (CH) \
1100 ? UPCASE1 (CH) : (CH))
1102 /* Upcase a character known to be not upper case. */
1104 #define UPCASE1(CH) (XSTRING (current_buffer->upcase_table)->data[CH])
1106 /* Downcase a character, or make no change if that cannot be done. */
1108 #define DOWNCASE(CH) (XSTRING (current_buffer->downcase_table)->data[CH])
1110 /* Current buffer's map from characters to lower-case characters. */
1112 #define DOWNCASE_TABLE XSTRING (current_buffer->downcase_table)->data
1114 /* Table mapping each char to the next char with the same lowercase version.
1115 This mapping is a no-op only for characters that don't have case. */
1116 #define UPCASE_TABLE XSTRING (current_buffer->upcase_table)->data
1118 extern Lisp_Object Vascii_downcase_table
, Vascii_upcase_table
;
1119 extern Lisp_Object Vascii_canon_table
, Vascii_eqv_table
;
1121 /* number of bytes of structure consed since last GC */
1123 extern int consing_since_gc
;
1125 /* threshold for doing another gc */
1127 extern int gc_cons_threshold
;
1129 /* Structure for recording stack slots that need marking */
1131 /* This is a chain of structures, each of which points at a Lisp_Object variable
1132 whose value should be marked in garbage collection.
1133 Normally every link of the chain is an automatic variable of a function,
1134 and its `val' points to some argument or local variable of the function.
1135 On exit to the function, the chain is set back to the value it had on entry.
1136 This way, no link remains in the chain when the stack frame containing the
1139 Every function that can call Feval must protect in this fashion all
1140 Lisp_Object variables whose contents will be used again. */
1142 extern struct gcpro
*gcprolist
;
1147 Lisp_Object
*var
; /* Address of first protected variable */
1148 int nvars
; /* Number of consecutive protected variables */
1151 #define GCPRO1(varname) \
1152 {gcpro1.next = gcprolist; gcpro1.var = &varname; gcpro1.nvars = 1; \
1153 gcprolist = &gcpro1; }
1155 #define GCPRO2(varname1, varname2) \
1156 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
1157 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
1158 gcprolist = &gcpro2; }
1160 #define GCPRO3(varname1, varname2, varname3) \
1161 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
1162 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
1163 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
1164 gcprolist = &gcpro3; }
1166 #define GCPRO4(varname1, varname2, varname3, varname4) \
1167 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
1168 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
1169 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
1170 gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \
1171 gcprolist = &gcpro4; }
1173 #define GCPRO5(varname1, varname2, varname3, varname4, varname5) \
1174 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
1175 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
1176 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
1177 gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \
1178 gcpro5.next = &gcpro4; gcpro5.var = &varname5; gcpro5.nvars = 1; \
1179 gcprolist = &gcpro5; }
1181 /* Call staticpro (&var) to protect static variable `var'. */
1185 #define UNGCPRO (gcprolist = gcpro1.next)
1187 /* Evaluate expr, UNGCPRO, and then return the value of expr. */
1188 #define RETURN_UNGCPRO(expr) \
1191 Lisp_Object ret_ungc_val; \
1192 ret_ungc_val = (expr); \
1194 return ret_ungc_val; \
1198 /* Defined in data.c */
1199 extern Lisp_Object Qnil
, Qt
, Qquote
, Qlambda
, Qsubr
, Qunbound
;
1200 extern Lisp_Object Qerror_conditions
, Qerror_message
, Qtop_level
;
1201 extern Lisp_Object Qerror
, Qquit
, Qwrong_type_argument
, Qargs_out_of_range
;
1202 extern Lisp_Object Qvoid_variable
, Qvoid_function
;
1203 extern Lisp_Object Qsetting_constant
, Qinvalid_read_syntax
;
1204 extern Lisp_Object Qinvalid_function
, Qwrong_number_of_arguments
, Qno_catch
;
1205 extern Lisp_Object Qend_of_file
, Qarith_error
;
1206 extern Lisp_Object Qbeginning_of_buffer
, Qend_of_buffer
, Qbuffer_read_only
;
1207 extern Lisp_Object Qmark_inactive
;
1209 extern Lisp_Object Qrange_error
, Qdomain_error
, Qsingularity_error
;
1210 extern Lisp_Object Qoverflow_error
, Qunderflow_error
;
1212 extern Lisp_Object Qintegerp
, Qnumberp
, Qnatnump
, Qwholenump
;
1213 extern Lisp_Object Qsymbolp
, Qlistp
, Qconsp
;
1214 extern Lisp_Object Qstringp
, Qarrayp
, Qsequencep
, Qbufferp
;
1215 extern Lisp_Object Qchar_or_string_p
, Qmarkerp
, Qvectorp
;
1216 extern Lisp_Object Qinteger_or_marker_p
, Qnumber_or_marker_p
;
1217 extern Lisp_Object Qboundp
, Qfboundp
;
1218 extern Lisp_Object Qbuffer_or_string_p
;
1219 extern Lisp_Object Qcdr
;
1221 #ifdef LISP_FLOAT_TYPE
1222 extern Lisp_Object Qfloatp
, Qinteger_or_floatp
, Qinteger_or_float_or_marker_p
;
1223 #endif /* LISP_FLOAT_TYPE */
1225 extern Lisp_Object Qframep
;
1227 extern Lisp_Object
Feq (), Fnull (), Flistp (), Fconsp (), Fatom (), Fnlistp ();
1228 extern Lisp_Object
Fintegerp (), Fnatnump (), Fsymbolp ();
1229 extern Lisp_Object
Fvectorp (), Fstringp (), Farrayp (), Fsequencep ();
1230 extern Lisp_Object
Fbufferp (), Fmarkerp (), Fsubrp (), Fchar_or_string_p ();
1231 extern Lisp_Object
Finteger_or_marker_p ();
1232 #ifdef LISP_FLOAT_TYPE
1233 extern Lisp_Object
Ffloatp(), Finteger_or_floatp();
1234 extern Lisp_Object
Finteger_or_float_or_marker_p(), Ftruncate();
1235 #endif /* LISP_FLOAT_TYPE */
1237 extern Lisp_Object
Fcar (), Fcar_safe(), Fcdr (), Fcdr_safe();
1238 extern Lisp_Object
Fsetcar (), Fsetcdr ();
1239 extern Lisp_Object
Fboundp (), Ffboundp (), Fmakunbound (), Ffmakunbound ();
1240 extern Lisp_Object
Fsymbol_function (), Fsymbol_plist (), Fsymbol_name ();
1241 extern Lisp_Object
indirect_function (), Findirect_function ();
1242 extern Lisp_Object
Ffset (), Fsetplist ();
1243 extern Lisp_Object
Fsymbol_value (), find_symbol_value (), Fset ();
1244 extern Lisp_Object
Fdefault_value (), Fset_default (), Fdefault_boundp ();
1246 extern Lisp_Object
Faref (), Faset ();
1248 extern Lisp_Object
Fstring_to_number (), Fnumber_to_string ();
1249 extern Lisp_Object
Feqlsign (), Fgtr (), Flss (), Fgeq (), Fleq ();
1250 extern Lisp_Object
Fneq (), Fzerop ();
1251 extern Lisp_Object
Fplus (), Fminus (), Ftimes (), Fquo (), Frem ();
1252 extern Lisp_Object
Fmax (), Fmin ();
1253 extern Lisp_Object
Flogand (), Flogior (), Flogxor (), Flognot ();
1254 extern Lisp_Object
Flsh (), Fash ();
1256 extern Lisp_Object
Fadd1 (), Fsub1 ();
1258 extern Lisp_Object
make_number ();
1259 extern Lisp_Object
long_to_cons ();
1260 extern unsigned long cons_to_long ();
1261 extern void args_out_of_range ();
1262 extern void args_out_of_range_3 ();
1263 extern Lisp_Object
wrong_type_argument ();
1264 #ifdef LISP_FLOAT_TYPE
1265 extern Lisp_Object
Ffloat_to_int(), Fint_to_float();
1266 extern double extract_float();
1267 extern Lisp_Object
make_float ();
1268 extern Lisp_Object
Ffloat ();
1269 #endif /* LISP_FLOAT_TYPE */
1271 /* Defined in fns.c */
1272 extern Lisp_Object Qstring_lessp
;
1273 extern Lisp_Object Vfeatures
;
1274 extern Lisp_Object
Fidentity (), Frandom ();
1275 extern Lisp_Object
Flength ();
1276 extern Lisp_Object
Fappend (), Fconcat (), Fvconcat (), Fcopy_sequence ();
1277 extern Lisp_Object
Fsubstring ();
1278 extern Lisp_Object
Fnth (), Fnthcdr (), Fmemq (), Fassq (), Fassoc ();
1279 extern Lisp_Object
Fmember (), Frassq (), Fdelq (), Fsort ();
1280 extern Lisp_Object
Freverse (), Fnreverse (), Fget (), Fput (), Fequal ();
1281 extern Lisp_Object
Ffillarray (), Fnconc (), Fmapcar (), Fmapconcat ();
1282 extern Lisp_Object
Fy_or_n_p (), do_yes_or_no_p ();
1283 extern Lisp_Object
Ffeaturep (), Frequire () , Fprovide ();
1284 extern Lisp_Object
concat2 (), nconc2 ();
1285 extern Lisp_Object
assq_no_quit ();
1286 extern Lisp_Object
Fcopy_alist ();
1288 /* Defined in alloc.c */
1289 extern Lisp_Object Vpurify_flag
;
1290 extern Lisp_Object
Fcons (), Flist(), Fmake_list (), allocate_misc ();
1291 extern Lisp_Object
Fmake_vector (), Fvector (), Fmake_symbol (), Fmake_marker ();
1292 extern Lisp_Object
Fmake_string (), build_string (), make_string ();
1293 extern Lisp_Object
make_event_array (), make_uninit_string ();
1294 extern Lisp_Object
Fpurecopy (), make_pure_string ();
1295 extern Lisp_Object
pure_cons (), make_pure_vector ();
1296 extern Lisp_Object
Fgarbage_collect ();
1297 extern Lisp_Object
Fmake_byte_code ();
1298 extern struct Lisp_Vector
*allocate_vectorlike ();
1299 extern int gc_in_progress
;
1301 /* Defined in print.c */
1302 extern Lisp_Object Vprin1_to_string_buffer
;
1303 extern Lisp_Object
Fprin1 (), Fprin1_to_string (), Fprinc ();
1304 extern Lisp_Object
Fterpri (), Fprint ();
1305 extern Lisp_Object Vstandard_output
, Qstandard_output
;
1306 extern Lisp_Object Qexternal_debugging_output
;
1307 extern void temp_output_buffer_setup (), temp_output_buffer_show ();
1308 extern int print_level
, print_escape_newlines
;
1309 extern Lisp_Object Qprint_escape_newlines
;
1311 /* Defined in lread.c */
1312 extern Lisp_Object Qvariable_documentation
, Qstandard_input
;
1313 extern Lisp_Object Vobarray
, Vstandard_input
;
1314 extern Lisp_Object
Fread (), Fread_from_string ();
1315 extern Lisp_Object
Fintern (), Fintern_soft (), Fload ();
1316 extern Lisp_Object
Fget_file_char (), Fread_char ();
1317 extern Lisp_Object
read_filtered_event ();
1318 extern Lisp_Object
Feval_current_buffer (), Feval_region ();
1319 extern Lisp_Object
intern (), oblookup ();
1320 #define LOADHIST_ATTACH(x) \
1321 if (initialized) Vcurrent_load_list = Fcons (x, Vcurrent_load_list)
1322 extern Lisp_Object Vcurrent_load_list
;
1323 extern Lisp_Object Vload_history
;
1325 /* Defined in eval.c */
1326 extern Lisp_Object Qautoload
, Qexit
, Qinteractive
, Qcommandp
, Qdefun
, Qmacro
;
1327 extern Lisp_Object Vinhibit_quit
, Qinhibit_quit
, Vquit_flag
;
1328 extern Lisp_Object Vmocklisp_arguments
, Qmocklisp
, Qmocklisp_arguments
;
1329 extern Lisp_Object Vautoload_queue
;
1330 extern Lisp_Object Vdebug_on_error
;
1331 /* To run a normal hook, do
1332 if (!NILP (Vrun_hooks))
1333 call1 (Vrun_hooks, Qmy_funny_hook); */
1334 extern Lisp_Object Vrun_hooks
;
1335 extern Lisp_Object
Fand (), For (), Fif (), Fprogn (), Fprog1 (), Fprog2 ();
1336 extern Lisp_Object
Fsetq (), Fquote ();
1337 extern Lisp_Object
Fuser_variable_p (), Finteractive_p ();
1338 extern Lisp_Object
Fdefun (), Flet (), FletX (), Fwhile ();
1339 extern Lisp_Object
Fcatch (), Fthrow (), Funwind_protect ();
1340 extern Lisp_Object
Fcondition_case (), Fsignal ();
1341 extern Lisp_Object
Ffunction_type (), Fautoload (), Fcommandp ();
1342 extern Lisp_Object
Feval (), Fapply (), Ffuncall ();
1343 extern Lisp_Object
Fglobal_set (), Fglobal_value (), Fbacktrace ();
1344 extern Lisp_Object
apply1 (), call0 (), call1 (), call2 (), call3 ();
1345 extern Lisp_Object
call4 (), call5 (), call6 ();
1346 extern Lisp_Object
Fkill_emacs (), Fkey_binding (), Fsit_for ();
1347 extern Lisp_Object
Fdo_auto_save (), Fset_marker ();
1348 extern Lisp_Object
apply_lambda ();
1349 extern Lisp_Object
internal_catch ();
1350 extern Lisp_Object
internal_condition_case ();
1351 extern Lisp_Object
internal_condition_case_1 ();
1352 extern Lisp_Object
unbind_to ();
1353 extern void error ();
1354 extern Lisp_Object
un_autoload ();
1356 /* Defined in editfns.c */
1357 extern Lisp_Object
Fgoto_char ();
1358 extern Lisp_Object
Fpoint_min_marker (), Fpoint_max_marker ();
1359 extern Lisp_Object
Fpoint_min (), Fpoint_max ();
1360 extern Lisp_Object
Fpoint (), Fpoint_marker (), Fmark_marker ();
1361 extern Lisp_Object
Ffollowing_char (), Fprevious_char (), Fchar_after ();
1362 extern Lisp_Object
Finsert ();
1363 extern Lisp_Object
Feolp (), Feobp (), Fbolp (), Fbobp ();
1364 extern Lisp_Object
Fformat (), format1 ();
1365 extern Lisp_Object
make_buffer_string (), Fbuffer_substring ();
1366 extern Lisp_Object
Fbuffer_string ();
1367 extern Lisp_Object
Fstring_equal (), Fstring_lessp (), Fbuffer_substring_lessp ();
1368 extern Lisp_Object
save_excursion_save (), save_restriction_save ();
1369 extern Lisp_Object
save_excursion_restore (), save_restriction_restore ();
1370 extern Lisp_Object
Fchar_to_string ();
1372 /* defined in buffer.c */
1373 extern Lisp_Object Vbuffer_alist
, Vinhibit_read_only
;
1374 extern Lisp_Object
Fget_buffer (), Fget_buffer_create (), Fset_buffer ();
1375 extern Lisp_Object
Fbarf_if_buffer_read_only ();
1376 extern Lisp_Object
Fcurrent_buffer (), Fswitch_to_buffer (), Fpop_to_buffer ();
1377 extern Lisp_Object
Fother_buffer ();
1378 extern Lisp_Object
Foverlay_get ();
1379 extern Lisp_Object Qoverlayp
;
1380 extern struct buffer
*all_buffers
;
1382 /* defined in marker.c */
1384 extern Lisp_Object
Fmarker_position (), Fmarker_buffer ();
1385 extern Lisp_Object
Fcopy_marker ();
1387 /* Defined in fileio.c */
1389 extern Lisp_Object Qfile_error
;
1390 extern Lisp_Object
Ffind_file_name_handler ();
1391 extern Lisp_Object
Ffile_name_as_directory ();
1392 extern Lisp_Object
Fexpand_file_name (), Ffile_name_nondirectory ();
1393 extern Lisp_Object
Fsubstitute_in_file_name ();
1394 extern Lisp_Object
Ffile_symlink_p ();
1395 extern Lisp_Object
Fverify_visited_file_modtime ();
1396 extern Lisp_Object
Ffile_exists_p ();
1397 extern Lisp_Object
Fdirectory_file_name ();
1398 extern Lisp_Object
Ffile_name_directory ();
1399 extern Lisp_Object
expand_and_dir_to_file ();
1400 extern Lisp_Object
Ffile_accessible_directory_p ();
1401 extern Lisp_Object
Funhandled_file_name_directory ();
1403 /* Defined in abbrev.c */
1405 extern Lisp_Object Vfundamental_mode_abbrev_table
;
1407 /* defined in search.c */
1408 extern Lisp_Object
Fstring_match ();
1409 extern Lisp_Object
Fscan_buffer ();
1410 extern void restore_match_data ();
1412 /* defined in minibuf.c */
1414 extern Lisp_Object last_minibuf_string
;
1415 extern Lisp_Object
read_minibuf (), Fcompleting_read ();
1416 extern Lisp_Object
Fread_from_minibuffer ();
1417 extern Lisp_Object
Fread_variable (), Fread_buffer (), Fread_key_sequence ();
1418 extern Lisp_Object
Fread_minibuffer (), Feval_minibuffer ();
1419 extern Lisp_Object
Fread_string (), Fread_file_name ();
1420 extern Lisp_Object
Fread_no_blanks_input ();
1422 /* Defined in callint.c */
1424 extern Lisp_Object Vprefix_arg
, Qminus
, Qplus
, Vcurrent_prefix_arg
;
1425 extern Lisp_Object Vcommand_history
;
1426 extern Lisp_Object Qcall_interactively
;
1427 extern Lisp_Object
Fcall_interactively ();
1428 extern Lisp_Object
Fprefix_numeric_value ();
1430 /* defined in casefiddle.c */
1432 extern Lisp_Object
Fdowncase (), Fupcase (), Fcapitalize ();
1434 /* defined in keyboard.c */
1436 extern Lisp_Object Qdisabled
;
1437 extern Lisp_Object Vhelp_form
, Vtop_level
;
1438 extern Lisp_Object
Fdiscard_input (), Frecursive_edit ();
1439 extern Lisp_Object
Fcommand_execute (), Finput_pending_p ();
1440 extern Lisp_Object Qvertical_scroll_bar
;
1442 /* defined in keymap.c */
1444 extern Lisp_Object Qkeymap
, Qmenu_bar
;
1445 extern Lisp_Object current_global_map
;
1446 extern Lisp_Object
Fkey_description (), Fsingle_key_description ();
1447 extern Lisp_Object
Fwhere_is_internal ();
1448 extern Lisp_Object
access_keymap (), store_in_keymap ();
1449 extern Lisp_Object
get_keyelt (), get_keymap();
1451 /* defined in indent.c */
1452 extern Lisp_Object
Fvertical_motion (), Findent_to (), Fcurrent_column ();
1454 /* defined in window.c */
1455 extern Lisp_Object Qwindowp
, Qwindow_live_p
;
1456 extern Lisp_Object
Fget_buffer_window ();
1457 extern Lisp_Object
Fsave_window_excursion ();
1458 extern Lisp_Object
Fset_window_configuration (), Fcurrent_window_configuration ();
1459 extern Lisp_Object
Fcoordinates_in_window_p ();
1460 extern Lisp_Object
Fwindow_at ();
1461 extern int window_internal_height (), window_internal_width ();
1463 /* defined in frame.c */
1464 extern Lisp_Object Qvisible
;
1465 extern Lisp_Object
Fframep ();
1466 extern Lisp_Object
Fselect_frame ();
1467 extern Lisp_Object
Ffocus_frame ();
1468 extern Lisp_Object
Funfocus_frame ();
1469 extern Lisp_Object
Fselected_frame ();
1470 extern Lisp_Object
Fwindow_frame ();
1471 extern Lisp_Object
Fframe_root_window ();
1472 extern Lisp_Object
Fframe_selected_window ();
1473 extern Lisp_Object
Fframe_list ();
1474 extern Lisp_Object
Fnext_frame ();
1475 extern Lisp_Object
Fdelete_frame ();
1476 extern Lisp_Object
Fread_mouse_position ();
1477 extern Lisp_Object
Fset_mouse_position ();
1478 extern Lisp_Object
Fmake_frame_visible ();
1479 extern Lisp_Object
Fmake_frame_invisible ();
1480 extern Lisp_Object
Ficonify_frame ();
1481 extern Lisp_Object
Fdeiconify_frame ();
1482 extern Lisp_Object
Fframe_visible_p ();
1483 extern Lisp_Object
Fvisible_frame_list ();
1484 extern Lisp_Object
Fframe_parameters ();
1485 extern Lisp_Object
Fmodify_frame_parameters ();
1486 extern Lisp_Object
Fframe_pixel_size ();
1487 extern Lisp_Object
Fframe_height ();
1488 extern Lisp_Object
Fframe_width ();
1489 extern Lisp_Object
Fset_frame_height ();
1490 extern Lisp_Object
Fset_frame_width ();
1491 extern Lisp_Object
Fset_frame_size ();
1492 extern Lisp_Object
Fset_frame_position ();
1494 extern Lisp_Object
Frubber_band_rectangle ();
1495 #endif /* HAVE_X11 */
1497 /* defined in emacs.c */
1498 extern Lisp_Object
decode_env_path ();
1499 extern Lisp_Object Vinvocation_name
, Vinvocation_directory
;
1500 extern Lisp_Object Vinstallation_directory
;
1501 void shut_down_emacs ( /* int signal, int no_x, Lisp_Object stuff */ );
1502 /* Nonzero means don't do interactive redisplay and don't change tty modes */
1503 extern int noninteractive
;
1504 /* Nonzero means don't do use window-system-specific display code */
1505 extern int inhibit_window_system
;
1506 /* Nonzero means that a filter or a sentinel is running. */
1507 extern int running_asynch_code
;
1509 /* defined in process.c */
1510 extern Lisp_Object
Fget_process (), Fget_buffer_process (), Fprocessp ();
1511 extern Lisp_Object
Fprocess_status (), Fkill_process ();
1512 extern Lisp_Object
Fprocess_send_eof ();
1514 /* defined in callproc.c */
1515 extern Lisp_Object Vexec_path
, Vexec_directory
, Vdata_directory
;
1516 extern Lisp_Object Vdoc_directory
;
1518 /* defined in doc.c */
1519 extern Lisp_Object Vdoc_file_name
;
1520 extern Lisp_Object
Fsubstitute_command_keys ();
1521 extern Lisp_Object
Fdocumentation (), Fdocumentation_property ();
1523 /* defined in bytecode.c */
1524 extern Lisp_Object Qbytecode
;
1525 extern Lisp_Object
Fbyte_code ();
1527 /* defined in macros.c */
1528 extern Lisp_Object Qexecute_kbd_macro
;
1529 extern Lisp_Object
Fexecute_kbd_macro ();
1531 /* defined in undo.c */
1532 extern Lisp_Object
Fundo_boundary ();
1533 extern Lisp_Object
truncate_undo_list ();
1535 /* defined in textprop.c */
1536 extern Lisp_Object Qmodification_hooks
;
1537 extern Lisp_Object Qinsert_in_front_hooks
, Qinsert_behind_hooks
;
1538 extern Lisp_Object
Fnext_property_change ();
1539 extern Lisp_Object
Fnext_single_property_change ();
1541 /* Nonzero means Emacs has already been initialized.
1542 Used during startup to detect startup of dumped Emacs. */
1543 extern int initialized
;
1545 extern int immediate_quit
; /* Nonzero means ^G can quit instantly */
1547 extern void debugger ();
1549 extern char *getenv (), *ctime (), *getwd ();
1550 extern long *xmalloc (), *xrealloc ();
1551 extern void xfree ();
1553 extern char *egetenv ();
1555 /* Set up the name of the machine we're running on. */
1556 extern void init_system_name ();
1558 /* Some systems (e.g., NT) use a different path separator than Unix,
1559 in addition to a device separator. Default the path separator
1560 to '/', and don't test for a device separator in IS_ANY_SEP. */
1562 #ifndef DIRECTORY_SEP
1563 #define DIRECTORY_SEP '/'
1565 #ifndef IS_DIRECTORY_SEP
1566 #define IS_DIRECTORY_SEP(_c_) ((_c_) == DIRECTORY_SEP)
1568 #ifndef IS_DEVICE_SEP
1570 #define IS_DEVICE_SEP(_c_) 0
1572 #define IS_DEVICE_SEP(_c_) ((_c_) == DEVICE_SEP)
1576 #define IS_ANY_SEP(_c_) (IS_DIRECTORY_SEP (_c_))