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. XVECTOR(object) points to a struct Lisp_Vector.
50 The length of the vector, and its contents, are stored therein. */
53 /* Cons. XCONS (object) points to a struct Lisp_Cons. */
56 /* Byte-compiled function. A vector of 4 to 6 elements which are the
57 arglist, bytecode-string, constant vector, stack size,
58 (optional) doc string, and (optional) interactive spec. */
61 /* Editor buffer. XBUFFER(obj) points to a struct buffer. */
64 /* Built-in function. XSUBR(obj) points to a struct Lisp_Subr
65 which describes how to call the function, and its documentation,
66 as well as pointing to the code. */
69 /* Object describing a connection to a subprocess.
70 It points to storage of type struct Lisp_Process */
74 /* Pointer to a vector-like object describing a display frame
75 on which Emacs can display a window hierarchy. We don't define
76 this unless MULTI_FRAME is defined; this helps the compiler catch
77 code that won't work on a non-MULTI_FRAME configuration. */
81 /* Window used for Emacs display.
82 Data inside looks like a Lisp_Vector. */
85 /* Used by save,set,restore-window-configuration */
86 Lisp_Window_Configuration
,
88 #ifdef LISP_FLOAT_TYPE
90 #endif /* LISP_FLOAT_TYPE */
93 An overlay values is actually a retagged cons, the first in a
95 ((START . END) nil . PLIST)
96 where START and END are markers in the overlay's buffer, and
97 PLIST is the overlay's property list. */
101 /* This is the set of datatypes that share a common structure.
102 The first member of the structure is a type code from this set. */
110 Lisp_Misc_Buffer_Objfwd
,
111 Lisp_Misc_Buffer_Local_Value
,
112 Lisp_Misc_Some_Buffer_Local_Value
115 #ifndef NO_UNION_TYPE
117 #ifndef WORDS_BIG_ENDIAN
119 /* Definition of Lisp_Object for little-endian machines. */
124 /* Used for comparing two Lisp_Objects;
125 also, positive integers can be accessed fast this way. */
135 unsigned int val
: 24;
140 unsigned int val
: 24;
141 enum Lisp_Type type
: 7;
142 /* The markbit is not really part of the value of a Lisp_Object,
143 and is always zero except during garbage collection. */
144 unsigned int markbit
: 1;
149 #else /* If WORDS_BIG_ENDIAN */
154 /* Used for comparing two Lisp_Objects;
155 also, positive integers can be accessed fast this way. */
166 unsigned int val
: 24;
170 /* The markbit is not really part of the value of a Lisp_Object,
171 and is always zero except during garbage collection. */
172 unsigned int markbit
: 1;
173 enum Lisp_Type type
: 7;
174 unsigned int val
: 24;
179 #endif /* WORDS_BIG_ENDIAN */
181 #endif /* NO_UNION_TYPE */
184 /* If union type is not wanted, define Lisp_Object as just a number
185 and define the macros below to extract fields by shifting */
189 #define Lisp_Object EMACS_INT
191 /* These values are overridden by the m- file on some machines. */
201 #define VALMASK ((((EMACS_INT) 1)<<VALBITS) - 1)
203 #define GCTYPEMASK ((((EMACS_INT) 1)<<GCTYPEBITS) - 1)
205 /* Two flags that are set during GC. On some machines, these flags
206 are defined differently by the m- file. */
208 /* This is set in the car of a cons and in the plist slot of a symbol
209 to indicate it is marked. Likewise in the plist slot of an interval,
210 the chain slot of a marker, the type slot of a float, and the name
213 In strings, this bit in the size field indicates that the string
214 is a "large" one, one which was separately malloc'd
215 rather than being part of a string block. */
218 #define MARKBIT (1 << (VALBITS + GCTYPEBITS))
221 /* In the size word of a vector, this bit means the vector has been marked.
222 In the size word of a large string, likewise. */
224 #ifndef ARRAY_MARK_FLAG
225 #define ARRAY_MARK_FLAG ((MARKBIT >> 1) & ~MARKBIT)
226 #endif /* no ARRAY_MARK_FLAG */
228 #if ARRAY_MARK_FLAG == MARKBIT
232 #endif /* NO_UNION_TYPE */
234 /* These macros extract various sorts of values from a Lisp_Object.
235 For example, if tem is a Lisp_Object whose type is Lisp_Cons,
236 XCONS (tem) is the struct Lisp_Cons * pointing to the memory for that cons. */
240 /* One need to override this if there must be high bits set in data space
241 (doing the result of the below & ((1 << (GCTYPE + 1)) - 1) would work
242 on all machines, but would penalise machines which don't need it)
245 #define XTYPE(a) ((enum Lisp_Type) ((a) >> VALBITS))
249 #define XSETTYPE(a, b) ((a) = XUINT (a) | ((EMACS_INT)(b) << VALBITS))
252 /* For integers known to be positive, XFASTINT provides fast retrieval
253 and XSETFASTINT provides fast storage. This takes advantage of the
254 fact that Lisp_Int is 0. */
255 #define XFASTINT(a) ((a) + 0)
256 #define XSETFASTINT(a, b) ((a) = (b))
258 /* Extract the value of a Lisp_Object as a signed integer. */
260 #ifndef XINT /* Some machines need to do this differently. */
261 #define XINT(a) (((a) << (INTBITS-VALBITS)) >> (INTBITS-VALBITS))
264 /* Extract the value as an unsigned integer. This is a basis
265 for extracting it as a pointer to a structure in storage. */
268 #define XUINT(a) ((a) & VALMASK)
273 /* In this representation, data is found in two widely separated segments. */
274 extern int pure_size
;
276 (XUINT (a) | (XUINT (a) > pure_size ? DATA_SEG_BITS : PURE_SEG_BITS))
277 #else /* not HAVE_SHM */
279 /* This case is used for the rt-pc.
280 In the diffs I was given, it checked for ptr = 0
281 and did not adjust it in that case.
282 But I don't think that zero should ever be found
283 in a Lisp object whose data type says it points to something. */
284 #define XPNTR(a) (XUINT (a) | DATA_SEG_BITS)
286 #define XPNTR(a) XUINT (a)
288 #endif /* not HAVE_SHM */
289 #endif /* no XPNTR */
292 #define XSET(var, type, ptr) \
293 ((var) = ((EMACS_INT)(type) << VALBITS) + ((EMACS_INT) (ptr) & VALMASK))
296 /* During garbage collection, XGCTYPE must be used for extracting types
297 so that the mark bit is ignored. XMARKBIT accesses the markbit.
298 Markbits are used only in particular slots of particular structure types.
299 Other markbits are always zero.
300 Outside of garbage collection, all mark bits are always zero. */
303 #define XGCTYPE(a) ((enum Lisp_Type) (((a) >> VALBITS) & GCTYPEMASK))
306 #if VALBITS + GCTYPEBITS == INTBITS - 1
307 /* Make XMARKBIT faster if mark bit is sign bit. */
309 #define XMARKBIT(a) ((a) < 0)
311 #endif /* markbit is sign bit */
314 #define XMARKBIT(a) ((a) & MARKBIT)
318 #define XSETMARKBIT(a,b) ((a) = ((a) & ~MARKBIT) | ((b) ? MARKBIT : 0))
322 #define XMARK(a) ((a) |= MARKBIT)
326 #define XUNMARK(a) ((a) &= ~MARKBIT)
329 #endif /* NO_UNION_TYPE */
331 #ifndef NO_UNION_TYPE
333 #define XTYPE(a) ((enum Lisp_Type) (a).u.type)
334 #define XSETTYPE(a, b) ((a).u.type = (char) (b))
336 /* For integers known to be positive, XFASTINT provides fast retrieval
337 and XSETFASTINT provides fast storage. This takes advantage of the
338 fact that Lisp_Int is 0. */
339 #define XFASTINT(a) ((a).i + 0)
340 #define XSETFASTINT(a, b) ((a).i = (b))
342 #ifdef EXPLICIT_SIGN_EXTEND
343 /* Make sure we sign-extend; compilers have been known to fail to do so. */
344 #define XINT(a) (((a).i << 8) >> 8)
346 #define XINT(a) ((a).s.val)
347 #endif /* EXPLICIT_SIGN_EXTEND */
349 #define XUINT(a) ((a).u.val)
350 #define XPNTR(a) ((a).u.val)
352 #define XSET(var, vartype, ptr) \
353 (((var).s.type = ((char) (vartype))), ((var).s.val = ((int) (ptr))))
355 /* During garbage collection, XGCTYPE must be used for extracting types
356 so that the mark bit is ignored. XMARKBIT access the markbit.
357 Markbits are used only in particular slots of particular structure types.
358 Other markbits are always zero.
359 Outside of garbage collection, all mark bits are always zero. */
361 #define XGCTYPE(a) ((a).gu.type)
362 #define XMARKBIT(a) ((a).gu.markbit)
363 #define XSETMARKBIT(a,b) (XMARKBIT(a) = (b))
364 #define XMARK(a) (XMARKBIT(a) = 1)
365 #define XUNMARK(a) (XMARKBIT(a) = 0)
367 #endif /* NO_UNION_TYPE */
370 #define XCONS(a) ((struct Lisp_Cons *) XPNTR(a))
371 #define XBUFFER(a) ((struct buffer *) XPNTR(a))
372 #define XVECTOR(a) ((struct Lisp_Vector *) XPNTR(a))
373 #define XSUBR(a) ((struct Lisp_Subr *) XPNTR(a))
374 #define XSTRING(a) ((struct Lisp_String *) XPNTR(a))
375 #define XSYMBOL(a) ((struct Lisp_Symbol *) XPNTR(a))
376 #define XMISC(a) ((union Lisp_Misc *) XPNTR(a))
377 #define XWINDOW(a) ((struct window *) XPNTR(a))
378 #define XPROCESS(a) ((struct Lisp_Process *) XPNTR(a))
379 #define XFLOAT(a) ((struct Lisp_Float *) XPNTR(a))
380 #define XMARKER(a) (&(XMISC(a)->u_marker))
381 #define XINTFWD(a) (&(XMISC(a)->u_intfwd))
382 #define XBOOLFWD(a) (&(XMISC(a)->u_boolfwd))
383 #define XOBJFWD(a) (&(XMISC(a)->u_objfwd))
384 #define XBUFFER_OBJFWD(a) (&(XMISC(a)->u_buffer_objfwd))
385 #define XBUFFER_LOCAL_VALUE(a) (&(XMISC(a)->u_buffer_local_value))
387 #define XSETINT(a, b) XSET (a, Lisp_Int, b)
388 #define XSETCONS(a, b) XSET (a, Lisp_Cons, b)
389 #define XSETBUFFER(a, b) XSET (a, Lisp_Buffer, b)
390 #define XSETVECTOR(a, b) XSET (a, Lisp_Vector, b)
391 #define XSETSUBR(a, b) XSET (a, Lisp_Subr, b)
392 #define XSETSTRING(a, b) XSET (a, Lisp_String, b)
393 #define XSETSYMBOL(a, b) XSET (a, Lisp_Symbol, b)
394 #define XSETMISC(a, b) XSET (a, Lisp_Misc, b)
395 #define XSETWINDOW(a, b) XSET (a, Lisp_Window, b)
396 #define XSETPROCESS(a, b) XSET (a, Lisp_Process, b)
397 #define XSETFLOAT(a, b) XSET (a, Lisp_Float, b)
398 #define XSETWINDOW_CONFIGURATION(a, b) XSET (a, Lisp_Window_Configuration, b)
399 #define XSETMARKER(a, b) (XSETMISC (a, b), XMISC (a)->type = Lisp_Misc_Marker)
401 #ifdef USE_TEXT_PROPERTIES
402 /* Basic data type for use of intervals. See the macros in intervals.h */
406 /* The first group of entries deal with the tree structure. */
408 unsigned int total_length
; /* Length of myself and both children. */
409 unsigned int position
; /* Cache of interval's character position */
410 struct interval
*left
; /* Intervals which precede me. */
411 struct interval
*right
; /* Intervals which succeed me. */
413 /* Parent in the tree, or the Lisp_Object containing this interval tree.
415 The mark bit on the root interval of an interval tree says
416 whether we have started (and possibly finished) marking the
417 tree. If GC comes across an interval tree whose root's parent
418 field has its markbit set, it leaves the tree alone.
420 You'd think we could store this information in the parent object
421 somewhere (after all, that should be visited once and then
422 ignored too, right?), but strings are GC'd strangely. */
423 struct interval
*parent
;
425 /* The remaining components are `properties' of the interval.
426 The first four are duplicates for things which can be on the list,
427 for purposes of speed. */
429 unsigned char write_protect
; /* Non-zero means can't modify. */
430 unsigned char visible
; /* Zero means don't display. */
431 unsigned char front_sticky
; /* Non-zero means text inserted just
432 before this interval goes into it. */
433 unsigned char rear_sticky
; /* Likewise for just after it. */
435 /* Properties of this interval.
436 The mark bit on this field says whether this particular interval
437 tree node has been visited. Since intervals should never be
438 shared, GC aborts if it seems to have visited an interval twice. */
442 typedef struct interval
*INTERVAL
;
444 /* Complain if object is not string or buffer type */
445 #define CHECK_STRING_OR_BUFFER(x, i) \
446 { if (!STRINGP ((x)) && !BUFFERP ((x))) \
447 x = wrong_type_argument (Qbuffer_or_string_p, (x)); }
449 /* Macro used to conditionally compile intervals into certain data
450 structures. See, e.g., struct Lisp_String below. */
451 #define DECLARE_INTERVALS INTERVAL intervals;
453 /* Macro used to conditionally compile interval initialization into
454 certain code. See, e.g., alloc.c. */
455 #define INITIALIZE_INTERVAL(ptr,val) ptr->intervals = val
457 #else /* No text properties */
459 /* If no intervals are used, make the above definitions go away. */
461 #define CHECK_STRING_OR_BUFFER(x, i)
464 #define DECLARE_INTERVALS
465 #define INITIALIZE_INTERVAL(ptr,val)
467 #endif /* USE_TEXT_PROPERTIES */
469 /* In a cons, the markbit of the car is the gc mark bit */
473 Lisp_Object car
, cdr
;
476 /* Like a cons, but records info on where the text lives that it was read from */
477 /* This is not really in use now */
479 struct Lisp_Buffer_Cons
481 Lisp_Object car
, cdr
;
482 struct buffer
*buffer
;
486 /* In a string or vector, the sign bit of the `size' is the gc mark bit */
491 DECLARE_INTERVALS
/* `data' field must be last. */
492 unsigned char data
[1];
498 struct Lisp_Vector
*next
;
499 Lisp_Object contents
[1];
502 /* In a symbol, the markbit of the plist is used as the gc mark bit */
506 struct Lisp_String
*name
;
508 Lisp_Object function
;
510 struct Lisp_Symbol
*next
; /* -> next symbol in this obarray bucket */
515 Lisp_Object (*function
) ();
516 short min_args
, max_args
;
522 /* A miscellaneous object, when it's on the free list. */
525 enum Lisp_Misc_Type type
; /* = Lisp_Misc_Free */
526 union Lisp_Misc
*chain
;
529 /* In a marker, the markbit of the chain field is used as the gc mark bit */
532 enum Lisp_Misc_Type type
; /* = Lisp_Misc_Marker */
533 struct buffer
*buffer
;
538 /* Forwarding pointer to an int variable.
539 This is allowed only in the value cell of a symbol,
540 and it means that the symbol's value really lives in the
541 specified int variable. */
544 enum Lisp_Misc_Type type
; /* = Lisp_Misc_Intfwd */
548 /* Boolean forwarding pointer to an int variable.
549 This is like Lisp_Intfwd except that the ostensible
550 "value" of the symbol is t if the int variable is nonzero,
551 nil if it is zero. */
554 enum Lisp_Misc_Type type
; /* = Lisp_Misc_Boolfwd */
558 /* Forwarding pointer to a Lisp_Object variable.
559 This is allowed only in the value cell of a symbol,
560 and it means that the symbol's value really lives in the
561 specified variable. */
564 enum Lisp_Misc_Type type
; /* = Lisp_Misc_Objfwd */
568 /* Like Lisp_Objfwd except that value lives in a slot in the
569 current buffer. Value is byte index of slot within buffer. */
570 struct Lisp_Buffer_Objfwd
572 enum Lisp_Misc_Type type
; /* = Lisp_Misc_Buffer_Objfwd */
576 /* Used in a symbol value cell when the symbol's value is per-buffer.
577 The actual contents resemble a cons cell which starts a list like this:
578 (REALVALUE BUFFER CURRENT-ALIST-ELEMENT . DEFAULT-VALUE).
580 BUFFER is the last buffer for which this symbol's value was
583 CURRENT-ALIST-ELEMENT is a pointer to an element of BUFFER's
584 local_var_alist, that being the element whose car is this
585 variable. Or it can be a pointer to the
586 (CURRENT-ALIST-ELEMENT . DEFAULT-VALUE),
587 if BUFFER does not have an element in its alist for this
588 variable (that is, if BUFFER sees the default value of this
591 If we want to examine or set the value and BUFFER is current,
592 we just examine or set REALVALUE. If BUFFER is not current, we
593 store the current REALVALUE value into CURRENT-ALIST-ELEMENT,
594 then find the appropriate alist element for the buffer now
595 current and set up CURRENT-ALIST-ELEMENT. Then we set
596 REALVALUE out of that element, and store into BUFFER.
598 If we are setting the variable and the current buffer does not
599 have an alist entry for this variable, an alist entry is
602 Note that REALVALUE can be a forwarding pointer. Each time it
603 is examined or set, forwarding must be done. Each time we
604 switch buffers, buffer-local variables which forward into C
605 variables are swapped immediately, so the C code can assume
606 that they are always up to date.
608 Lisp_Misc_Buffer_Local_Value and Lisp_Misc_Some_Buffer_Local_Value
609 use the same substructure. The difference is that with the latter,
610 merely setting the variable while some buffer is current
611 does not cause that buffer to have its own local value of this variable.
612 Only make-local-variable does that. */
613 struct Lisp_Buffer_Local_Value
615 enum Lisp_Misc_Type type
; /* = Lisp_Misc_Buffer_Local_Value
616 or Lisp_Misc_Some_Buffer_Local_Value */
617 Lisp_Object car
, cdr
;
622 enum Lisp_Misc_Type type
;
623 struct Lisp_Free u_free
;
624 struct Lisp_Marker u_marker
;
625 struct Lisp_Intfwd u_intfwd
;
626 struct Lisp_Boolfwd u_boolfwd
;
627 struct Lisp_Objfwd u_objfwd
;
628 struct Lisp_Buffer_Objfwd u_buffer_objfwd
;
629 struct Lisp_Buffer_Local_Value u_buffer_local_value
;
632 #ifdef LISP_FLOAT_TYPE
633 /* Optional Lisp floating point type */
636 Lisp_Object type
; /* essentially used for mark-bit
637 and chaining when on free-list */
640 #endif /* LISP_FLOAT_TYPE */
642 /* A character, declared with the following typedef, is a member
643 of some character set associated with the current buffer. */
644 #ifndef _UCHAR_T /* Protect against something in ctab.h on AIX. */
646 typedef unsigned char UCHAR
;
649 /* Meanings of slots in a Lisp_Compiled: */
651 #define COMPILED_ARGLIST 0
652 #define COMPILED_BYTECODE 1
653 #define COMPILED_CONSTANTS 2
654 #define COMPILED_STACK_DEPTH 3
655 #define COMPILED_DOC_STRING 4
656 #define COMPILED_INTERACTIVE 5
658 /* Flag bits in a character. These also get used in termhooks.h.
659 Richard Stallman <rms@gnu.ai.mit.edu> thinks that MULE
660 (MUlti-Lingual Emacs) might need 18 bits for the character value
661 itself, so we probably shouldn't use any bits lower than 0x040000. */
662 #define CHAR_ALT (0x040000)
663 #define CHAR_SUPER (0x080000)
664 #define CHAR_HYPER (0x100000)
665 #define CHAR_SHIFT (0x200000)
666 #define CHAR_CTL (0x400000)
667 #define CHAR_META (0x800000)
671 /* Use this for turning a (void *) into a Lisp_Object, as when the
672 Lisp_Object is passed into a toolkit callback function. */
673 #define VOID_TO_LISP(larg,varg) \
674 do { ((larg) = ((Lisp_Object) (varg))); } while (0)
675 #define CVOID_TO_LISP VOID_TO_LISP
677 /* Use this for turning a Lisp_Object into a (void *), as when the
678 Lisp_Object is passed into a toolkit callback function. */
679 #define LISP_TO_VOID(larg) ((void *) (larg))
680 #define LISP_TO_CVOID(varg) ((const void *) (larg))
682 #else /* not NO_UNION_TYPE */
683 /* Use this for turning a (void *) into a Lisp_Object, as when the
684 Lisp_Object is passed into a toolkit callback function. */
685 #define VOID_TO_LISP(larg,varg) \
686 do { ((larg).v = (void *) (varg)); } while (0)
687 #define CVOID_TO_LISP(larg,varg) \
688 do { ((larg).cv = (const void *) (varg)); } while (0)
690 /* Use this for turning a Lisp_Object into a (void *), as when the
691 Lisp_Object is passed into a toolkit callback function. */
692 #define LISP_TO_VOID(larg) ((larg).v)
693 #define LISP_TO_CVOID(larg) ((larg).cv)
694 #endif /* not NO_UNION_TYPE */
695 #endif /* USE_X_TOOLKIT */
698 /* The glyph datatype, used to represent characters on the display. */
700 /* The low eight bits are the character code, and the bits above them
701 are the numeric face ID. If FID is the face ID of a glyph on a
702 frame F, then F->display.x->faces[FID] contains the description of
703 that face. This is an int instead of a short, so we can support a
704 good bunch of face ID's; given that we have no mechanism for
705 tossing unused frame face ID's yet, we'll probably run out of 255
707 #define GLYPH unsigned int
710 /* The FAST macros assume that we already know we're in an X window. */
712 /* Given a character code and a face ID, return the appropriate glyph. */
713 #define FAST_MAKE_GLYPH(char, face) ((char) | ((face) << 8))
715 /* Return a glyph's character code. */
716 #define FAST_GLYPH_CHAR(glyph) ((glyph) & 0xff)
718 /* Return a glyph's face ID. */
719 #define FAST_GLYPH_FACE(glyph) (((glyph) >> 8) & ((1 << 24) - 1))
721 /* Slower versions that test the frame type first. */
722 #define MAKE_GLYPH(f, char, face) (FRAME_TERMCAP_P (f) ? (char) \
723 : FAST_MAKE_GLYPH (char, face))
724 #define GLYPH_CHAR(f, g) (FRAME_TERMCAP_P (f) ? (g) : FAST_GLYPH_CHAR (g))
725 #define GLYPH_FACE(f, g) (FRAME_TERMCAP_P (f) ? (0) : FAST_GLYPH_FACE (g))
726 #else /* not HAVE_FACES */
727 #define MAKE_GLYPH(f, char, face) (char)
728 #define GLYPH_CHAR(f, g) (g)
729 #define GLYPH_FACE(f, g) (g)
730 #endif /* not HAVE_FACES */
732 /* The ID of the mode line highlighting face. */
733 #define GLYPH_MODE_LINE_FACE 1
735 /* Data type checking */
737 #define NILP(x) (XFASTINT (x) == XFASTINT (Qnil))
738 #define GC_NILP(x) GC_EQ (x, Qnil)
740 #ifdef LISP_FLOAT_TYPE
741 #define NUMBERP(x) (INTEGERP (x) || FLOATP (x))
743 #define NUMBERP(x) (INTEGERP (x))
746 #define INTEGERP(x) (XTYPE ((x)) == Lisp_Int)
747 #define SYMBOLP(x) (XTYPE ((x)) == Lisp_Symbol)
748 #define MISCP(x) (XTYPE ((x)) == Lisp_Misc)
749 #define STRINGP(x) (XTYPE ((x)) == Lisp_String)
750 #define VECTORP(x) (XTYPE ((x)) == Lisp_Vector)
751 #define CONSP(x) (XTYPE ((x)) == Lisp_Cons)
752 #define COMPILEDP(x) (XTYPE ((x)) == Lisp_Compiled)
753 #define BUFFERP(x) (XTYPE ((x)) == Lisp_Buffer)
754 #define SUBRP(x) (XTYPE ((x)) == Lisp_Subr)
755 #define PROCESSP(x) (XTYPE ((x)) == Lisp_Process)
757 #define FRAMEP(x) (XTYPE ((x)) == Lisp_Frame)
760 /* We could use this in the !HAVE_MOUSE case also, but we prefer a compile-time
761 error message in case FRAMEP is used. */
762 #define FRAMEP(x) (EQ (x, Fselected_frame ()))
765 #define WINDOWP(x) (XTYPE ((x)) == Lisp_Window)
766 #define WINDOW_CONFIGURATIONP(x) (XTYPE ((x)) == Lisp_Window_Configuration)
767 #ifdef LISP_FLOAT_TYPE
768 #define FLOATP(x) (XTYPE ((x)) == Lisp_Float)
770 #define FLOATP(x) (0)
772 #define OVERLAYP(x) (XTYPE ((x)) == Lisp_Overlay)
773 #define MARKERP(x) (MISCP (x) && XMISC (x)->type == Lisp_Misc_Marker)
774 #define INTFWDP(x) (MISCP (x) && XMISC (x)->type == Lisp_Misc_Intfwd)
775 #define BOOLFWDP(x) (MISCP (x) && XMISC (x)->type == Lisp_Misc_Boolfwd)
776 #define OBJFWDP(x) (MISCP (x) && XMISC (x)->type == Lisp_Misc_Objfwd)
777 #define BUFFER_OBJFWDP(x) (MISCP (x) && XMISC (x)->type == Lisp_Misc_Buffer_Objfwd)
778 #define BUFFER_LOCAL_VALUEP(x) (MISCP (x) && XMISC (x)->type == Lisp_Misc_Buffer_Local_Value)
779 #define SOME_BUFFER_LOCAL_VALUEP(x) (MISCP (x) && XMISC (x)->type == Lisp_Misc_Some_Buffer_Local_Value)
781 #define EQ(x, y) (XFASTINT (x) == XFASTINT (y))
782 #define GC_EQ(x, y) (XGCTYPE (x) == XGCTYPE (y) && XPNTR (x) == XPNTR (y))
784 #define CHECK_LIST(x, i) \
785 do { if (!CONSP ((x)) && !NILP (x)) x = wrong_type_argument (Qlistp, (x)); } while (0)
787 #define CHECK_STRING(x, i) \
788 do { if (!STRINGP ((x))) x = wrong_type_argument (Qstringp, (x)); } while (0)
790 #define CHECK_CONS(x, i) \
791 do { if (!CONSP ((x))) x = wrong_type_argument (Qconsp, (x)); } while (0)
793 #define CHECK_SYMBOL(x, i) \
794 do { if (!SYMBOLP ((x))) x = wrong_type_argument (Qsymbolp, (x)); } while (0)
796 #define CHECK_VECTOR(x, i) \
797 do { if (!VECTORP ((x))) x = wrong_type_argument (Qvectorp, (x)); } while (0)
799 #define CHECK_BUFFER(x, i) \
800 do { if (!BUFFERP ((x))) x = wrong_type_argument (Qbufferp, (x)); } while (0)
802 #define CHECK_WINDOW(x, i) \
803 do { if (!WINDOWP ((x))) x = wrong_type_argument (Qwindowp, (x)); } while (0)
805 /* This macro rejects windows on the interior of the window tree as
806 "dead", which is what we want; this is an argument-checking macro, and
807 the user should never get access to interior windows.
809 A window of any sort, leaf or interior, is dead iff the buffer,
810 vchild, and hchild members are all nil. */
812 #define CHECK_LIVE_WINDOW(x, i) \
815 || NILP (XWINDOW ((x))->buffer)) \
816 x = wrong_type_argument (Qwindow_live_p, (x)); \
819 #define CHECK_PROCESS(x, i) \
820 do { if (!PROCESSP ((x))) x = wrong_type_argument (Qprocessp, (x)); } while (0)
822 #define CHECK_NUMBER(x, i) \
823 do { if (!INTEGERP ((x))) x = wrong_type_argument (Qintegerp, (x)); } while (0)
825 #define CHECK_NATNUM(x, i) \
826 do { if (!INTEGERP ((x)) || XINT ((x)) < 0) \
827 x = wrong_type_argument (Qwholenump, (x)); } while (0)
829 #define CHECK_MARKER(x, i) \
830 do { if (!MARKERP ((x))) x = wrong_type_argument (Qmarkerp, (x)); } while (0)
832 #define CHECK_NUMBER_COERCE_MARKER(x, i) \
833 do { if (MARKERP ((x))) XSETFASTINT (x, marker_position (x)); \
834 else if (!INTEGERP ((x))) x = wrong_type_argument (Qinteger_or_marker_p, (x)); } while (0)
836 #ifdef LISP_FLOAT_TYPE
842 #define XFLOATINT(n) extract_float((n))
844 #define CHECK_FLOAT(x, i) \
845 do { if (!FLOATP (x)) \
846 x = wrong_type_argument (Qfloatp, (x)); } while (0)
848 #define CHECK_NUMBER_OR_FLOAT(x, i) \
849 do { if (!FLOATP (x) && !INTEGERP (x)) \
850 x = wrong_type_argument (Qnumberp, (x)); } while (0)
852 #define CHECK_NUMBER_OR_FLOAT_COERCE_MARKER(x, i) \
853 do { if (MARKERP (x)) XSETFASTINT (x, marker_position (x)); \
854 else if (!INTEGERP (x) && !FLOATP (x)) \
855 x = wrong_type_argument (Qnumber_or_marker_p, (x)); } while (0)
857 #else /* Not LISP_FLOAT_TYPE */
859 #define CHECK_NUMBER_OR_FLOAT CHECK_NUMBER
861 #define CHECK_NUMBER_OR_FLOAT_COERCE_MARKER CHECK_NUMBER_COERCE_MARKER
863 #define XFLOATINT(n) XINT((n))
864 #endif /* LISP_FLOAT_TYPE */
866 #define CHECK_OVERLAY(x, i) \
867 do { if (!OVERLAYP ((x))) x = wrong_type_argument (Qoverlayp, (x));} while (0)
869 /* Cast pointers to this type to compare them. Some machines want int. */
870 #ifndef PNTR_COMPARISON_TYPE
871 #define PNTR_COMPARISON_TYPE unsigned int
874 /* Define a built-in function for calling from Lisp.
875 `lname' should be the name to give the function in Lisp,
876 as a null-terminated C string.
877 `fnname' should be the name of the function in C.
878 By convention, it starts with F.
879 `sname' should be the name for the C constant structure
880 that records information on this function for internal use.
881 By convention, it should be the same as `fnname' but with S instead of F.
882 It's too bad that C macros can't compute this from `fnname'.
883 `minargs' should be a number, the minimum number of arguments allowed.
884 `maxargs' should be a number, the maximum number of arguments allowed,
885 or else MANY or UNEVALLED.
886 MANY means pass a vector of evaluated arguments,
887 in the form of an integer number-of-arguments
888 followed by the address of a vector of Lisp_Objects
889 which contains the argument values.
890 UNEVALLED means pass the list of unevaluated arguments
891 `prompt' says how to read arguments for an interactive call.
892 See the doc string for `interactive'.
893 A null string means call interactively with no arguments.
894 `doc' is documentation for the user. */
896 #if !defined (__STDC__) || defined (USE_NONANSI_DEFUN)
897 #define DEFUN(lname, fnname, sname, minargs, maxargs, prompt, doc) \
898 Lisp_Object fnname (); \
899 struct Lisp_Subr sname = {fnname, minargs, maxargs, lname, prompt, 0}; \
904 /* This version of DEFUN declares a function prototype with the right
905 arguments, so we can catch errors with maxargs at compile-time. */
906 #define DEFUN(lname, fnname, sname, minargs, maxargs, prompt, doc) \
907 Lisp_Object fnname DEFUN_ARGS_ ## maxargs ; \
908 struct Lisp_Subr sname = {fnname, minargs, maxargs, lname, prompt, 0}; \
911 /* Note that the weird token-substitution semantics of ANSI C makes
912 this work for MANY and UNEVALLED. */
913 #define DEFUN_ARGS_MANY (int, Lisp_Object *)
914 #define DEFUN_ARGS_UNEVALLED (Lisp_Object)
915 #define DEFUN_ARGS_0 (void)
916 #define DEFUN_ARGS_1 (Lisp_Object)
917 #define DEFUN_ARGS_2 (Lisp_Object, Lisp_Object)
918 #define DEFUN_ARGS_3 (Lisp_Object, Lisp_Object, Lisp_Object)
919 #define DEFUN_ARGS_4 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object)
920 #define DEFUN_ARGS_5 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, \
922 #define DEFUN_ARGS_6 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, \
923 Lisp_Object, Lisp_Object)
924 #define DEFUN_ARGS_7 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, \
925 Lisp_Object, Lisp_Object, Lisp_Object)
929 is how we define the symbol for function `name' at start-up time. */
930 extern void defsubr ();
935 extern void defvar_lisp ();
936 extern void defvar_bool ();
937 extern void defvar_int ();
939 /* Macros we use to define forwarded Lisp variables.
940 These are used in the syms_of_FILENAME functions. */
942 #define DEFVAR_LISP(lname, vname, doc) defvar_lisp (lname, vname)
943 #define DEFVAR_LISP_NOPRO(lname, vname, doc) defvar_lisp_nopro (lname, vname)
944 #define DEFVAR_BOOL(lname, vname, doc) defvar_bool (lname, vname)
945 #define DEFVAR_INT(lname, vname, doc) defvar_int (lname, vname)
946 #define DEFVAR_PER_BUFFER(lname, vname, type, doc) \
947 defvar_per_buffer (lname, vname, type, 0)
949 /* Structure for recording Lisp call stack for backtrace purposes. */
951 /* The special binding stack holds the outer values of variables while
952 they are bound by a function application or a let form, stores the
953 code to be executed for Lisp unwind-protect forms, and stores the C
954 functions to be called for record_unwind_protect.
956 If func is non-zero, undoing this binding applies func to old_value;
957 This implements record_unwind_protect.
958 If func is zero and symbol is nil, undoing this binding evaluates
959 the list of forms in old_value; this implements Lisp's unwind-protect
961 Otherwise, undoing this binding stores old_value as symbol's value; this
962 undoes the bindings made by a let form or function call. */
965 Lisp_Object symbol
, old_value
;
966 Lisp_Object (*func
) ();
967 Lisp_Object unused
; /* Dividing by 16 is faster than by 12 */
970 extern struct specbinding
*specpdl
;
971 extern struct specbinding
*specpdl_ptr
;
972 extern int specpdl_size
;
974 /* Everything needed to describe an active condition case. */
977 /* The handler clauses and variable from the condition-case form. */
980 /* Fsignal stores here the condition-case clause that applies,
981 and Fcondition_case thus knows which clause to run. */
982 Lisp_Object chosen_clause
;
984 /* Used to effect the longjump out to the handler. */
985 struct catchtag
*tag
;
987 /* The next enclosing handler. */
988 struct handler
*next
;
991 extern struct handler
*handlerlist
;
993 extern struct catchtag
*catchlist
;
994 extern struct backtrace
*backtrace_list
;
996 extern Lisp_Object memory_signal_data
;
998 /* An address near the bottom of the stack.
999 Tells GC how to save a copy of the stack. */
1000 extern char *stack_bottom
;
1002 /* Check quit-flag and quit if it is non-nil. */
1005 if (!NILP (Vquit_flag) && NILP (Vinhibit_quit)) \
1006 { Vquit_flag = Qnil; Fsignal (Qquit, Qnil); }
1008 /* Nonzero if ought to quit now. */
1010 #define QUITP (!NILP (Vquit_flag) && NILP (Vinhibit_quit))
1012 /* 1 if CH is upper case. */
1014 #define UPPERCASEP(CH) \
1015 (XSTRING (current_buffer->downcase_table)->data[CH] != (CH))
1017 /* 1 if CH is lower case. */
1019 #define LOWERCASEP(CH) \
1021 && XSTRING (current_buffer->upcase_table)->data[CH] != (CH))
1023 /* 1 if CH is neither upper nor lower case. */
1025 #define NOCASEP(CH) (XSTRING (current_buffer->upcase_table)->data[CH] == (CH))
1027 /* Upcase a character, or make no change if that cannot be done. */
1029 #define UPCASE(CH) \
1030 (XSTRING (current_buffer->downcase_table)->data[CH] == (CH) \
1031 ? UPCASE1 (CH) : (CH))
1033 /* Upcase a character known to be not upper case. */
1035 #define UPCASE1(CH) (XSTRING (current_buffer->upcase_table)->data[CH])
1037 /* Downcase a character, or make no change if that cannot be done. */
1039 #define DOWNCASE(CH) (XSTRING (current_buffer->downcase_table)->data[CH])
1041 /* Current buffer's map from characters to lower-case characters. */
1043 #define DOWNCASE_TABLE XSTRING (current_buffer->downcase_table)->data
1045 /* Table mapping each char to the next char with the same lowercase version.
1046 This mapping is a no-op only for characters that don't have case. */
1047 #define UPCASE_TABLE XSTRING (current_buffer->upcase_table)->data
1049 extern Lisp_Object Vascii_downcase_table
, Vascii_upcase_table
;
1050 extern Lisp_Object Vascii_canon_table
, Vascii_eqv_table
;
1052 /* number of bytes of structure consed since last GC */
1054 extern int consing_since_gc
;
1056 /* threshold for doing another gc */
1058 extern int gc_cons_threshold
;
1060 /* Structure for recording stack slots that need marking */
1062 /* This is a chain of structures, each of which points at a Lisp_Object variable
1063 whose value should be marked in garbage collection.
1064 Normally every link of the chain is an automatic variable of a function,
1065 and its `val' points to some argument or local variable of the function.
1066 On exit to the function, the chain is set back to the value it had on entry.
1067 This way, no link remains in the chain when the stack frame containing the
1070 Every function that can call Feval must protect in this fashion all
1071 Lisp_Object variables whose contents will be used again. */
1073 extern struct gcpro
*gcprolist
;
1078 Lisp_Object
*var
; /* Address of first protected variable */
1079 int nvars
; /* Number of consecutive protected variables */
1082 #define GCPRO1(varname) \
1083 {gcpro1.next = gcprolist; gcpro1.var = &varname; gcpro1.nvars = 1; \
1084 gcprolist = &gcpro1; }
1086 #define GCPRO2(varname1, varname2) \
1087 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
1088 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
1089 gcprolist = &gcpro2; }
1091 #define GCPRO3(varname1, varname2, varname3) \
1092 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
1093 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
1094 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
1095 gcprolist = &gcpro3; }
1097 #define GCPRO4(varname1, varname2, varname3, varname4) \
1098 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
1099 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
1100 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
1101 gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \
1102 gcprolist = &gcpro4; }
1104 #define GCPRO5(varname1, varname2, varname3, varname4, varname5) \
1105 {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
1106 gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
1107 gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
1108 gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \
1109 gcpro5.next = &gcpro4; gcpro5.var = &varname5; gcpro5.nvars = 1; \
1110 gcprolist = &gcpro5; }
1112 /* Call staticpro (&var) to protect static variable `var'. */
1116 #define UNGCPRO (gcprolist = gcpro1.next)
1118 /* Evaluate expr, UNGCPRO, and then return the value of expr. */
1119 #define RETURN_UNGCPRO(expr) \
1122 Lisp_Object ret_ungc_val; \
1123 ret_ungc_val = (expr); \
1125 return ret_ungc_val; \
1129 /* Defined in data.c */
1130 extern Lisp_Object Qnil
, Qt
, Qquote
, Qlambda
, Qsubr
, Qunbound
;
1131 extern Lisp_Object Qerror_conditions
, Qerror_message
, Qtop_level
;
1132 extern Lisp_Object Qerror
, Qquit
, Qwrong_type_argument
, Qargs_out_of_range
;
1133 extern Lisp_Object Qvoid_variable
, Qvoid_function
;
1134 extern Lisp_Object Qsetting_constant
, Qinvalid_read_syntax
;
1135 extern Lisp_Object Qinvalid_function
, Qwrong_number_of_arguments
, Qno_catch
;
1136 extern Lisp_Object Qend_of_file
, Qarith_error
;
1137 extern Lisp_Object Qbeginning_of_buffer
, Qend_of_buffer
, Qbuffer_read_only
;
1138 extern Lisp_Object Qmark_inactive
;
1140 extern Lisp_Object Qrange_error
, Qdomain_error
, Qsingularity_error
;
1141 extern Lisp_Object Qoverflow_error
, Qunderflow_error
;
1143 extern Lisp_Object Qintegerp
, Qnumberp
, Qnatnump
, Qwholenump
;
1144 extern Lisp_Object Qsymbolp
, Qlistp
, Qconsp
;
1145 extern Lisp_Object Qstringp
, Qarrayp
, Qsequencep
, Qbufferp
;
1146 extern Lisp_Object Qchar_or_string_p
, Qmarkerp
, Qvectorp
;
1147 extern Lisp_Object Qinteger_or_marker_p
, Qnumber_or_marker_p
;
1148 extern Lisp_Object Qboundp
, Qfboundp
;
1149 extern Lisp_Object Qbuffer_or_string_p
;
1150 extern Lisp_Object Qcdr
;
1152 #ifdef LISP_FLOAT_TYPE
1153 extern Lisp_Object Qfloatp
, Qinteger_or_floatp
, Qinteger_or_float_or_marker_p
;
1154 #endif /* LISP_FLOAT_TYPE */
1156 extern Lisp_Object Qframep
;
1158 extern Lisp_Object
Feq (), Fnull (), Flistp (), Fconsp (), Fatom (), Fnlistp ();
1159 extern Lisp_Object
Fintegerp (), Fnatnump (), Fsymbolp ();
1160 extern Lisp_Object
Fvectorp (), Fstringp (), Farrayp (), Fsequencep ();
1161 extern Lisp_Object
Fbufferp (), Fmarkerp (), Fsubrp (), Fchar_or_string_p ();
1162 extern Lisp_Object
Finteger_or_marker_p ();
1163 #ifdef LISP_FLOAT_TYPE
1164 extern Lisp_Object
Ffloatp(), Finteger_or_floatp();
1165 extern Lisp_Object
Finteger_or_float_or_marker_p(), Ftruncate();
1166 #endif /* LISP_FLOAT_TYPE */
1168 extern Lisp_Object
Fcar (), Fcar_safe(), Fcdr (), Fcdr_safe();
1169 extern Lisp_Object
Fsetcar (), Fsetcdr ();
1170 extern Lisp_Object
Fboundp (), Ffboundp (), Fmakunbound (), Ffmakunbound ();
1171 extern Lisp_Object
Fsymbol_function (), Fsymbol_plist (), Fsymbol_name ();
1172 extern Lisp_Object
indirect_function (), Findirect_function ();
1173 extern Lisp_Object
Ffset (), Fsetplist ();
1174 extern Lisp_Object
Fsymbol_value (), find_symbol_value (), Fset ();
1175 extern Lisp_Object
Fdefault_value (), Fset_default (), Fdefault_boundp ();
1177 extern Lisp_Object
Faref (), Faset (), Farray_length ();
1179 extern Lisp_Object
Fstring_to_number (), Fnumber_to_string ();
1180 extern Lisp_Object
Feqlsign (), Fgtr (), Flss (), Fgeq (), Fleq ();
1181 extern Lisp_Object
Fneq (), Fzerop ();
1182 extern Lisp_Object
Fplus (), Fminus (), Ftimes (), Fquo (), Frem ();
1183 extern Lisp_Object
Fmax (), Fmin ();
1184 extern Lisp_Object
Flogand (), Flogior (), Flogxor (), Flognot ();
1185 extern Lisp_Object
Flsh (), Fash ();
1187 extern Lisp_Object
Fadd1 (), Fsub1 ();
1189 extern Lisp_Object
make_number ();
1190 extern Lisp_Object
long_to_cons ();
1191 extern unsigned long cons_to_long ();
1192 extern void args_out_of_range ();
1193 extern void args_out_of_range_3 ();
1194 extern Lisp_Object
wrong_type_argument ();
1195 #ifdef LISP_FLOAT_TYPE
1196 extern Lisp_Object
Ffloat_to_int(), Fint_to_float();
1197 extern double extract_float();
1198 extern Lisp_Object
make_float ();
1199 extern Lisp_Object
Ffloat ();
1200 #endif /* LISP_FLOAT_TYPE */
1202 /* Defined in fns.c */
1203 extern Lisp_Object Qstring_lessp
;
1204 extern Lisp_Object Vfeatures
;
1205 extern Lisp_Object
Fidentity (), Frandom ();
1206 extern Lisp_Object
Flength ();
1207 extern Lisp_Object
Fappend (), Fconcat (), Fvconcat (), Fcopy_sequence ();
1208 extern Lisp_Object
Fsubstring ();
1209 extern Lisp_Object
Fnth (), Fnthcdr (), Fmemq (), Fassq (), Fassoc ();
1210 extern Lisp_Object
Fmember (), Frassq (), Fdelq (), Fsort ();
1211 extern Lisp_Object
Freverse (), Fnreverse (), Fget (), Fput (), Fequal ();
1212 extern Lisp_Object
Ffillarray (), Fnconc (), Fmapcar (), Fmapconcat ();
1213 extern Lisp_Object
Fy_or_n_p (), do_yes_or_no_p ();
1214 extern Lisp_Object
Ffeaturep (), Frequire () , Fprovide ();
1215 extern Lisp_Object
concat2 (), nconc2 ();
1216 extern Lisp_Object
assq_no_quit ();
1217 extern Lisp_Object
Fcopy_alist ();
1219 /* Defined in alloc.c */
1220 extern Lisp_Object Vpurify_flag
;
1221 extern Lisp_Object
Fcons (), Flist(), Fmake_list (), allocate_misc ();
1222 extern Lisp_Object
Fmake_vector (), Fvector (), Fmake_symbol (), Fmake_marker ();
1223 extern Lisp_Object
Fmake_string (), build_string (), make_string ();
1224 extern Lisp_Object
make_event_array (), make_uninit_string ();
1225 extern Lisp_Object
Fpurecopy (), make_pure_string ();
1226 extern Lisp_Object
pure_cons (), make_pure_vector ();
1227 extern Lisp_Object
Fgarbage_collect ();
1228 extern Lisp_Object
Fmake_byte_code ();
1229 extern int gc_in_progress
;
1231 /* Defined in print.c */
1232 extern Lisp_Object Vprin1_to_string_buffer
;
1233 extern Lisp_Object
Fprin1 (), Fprin1_to_string (), Fprinc ();
1234 extern Lisp_Object
Fterpri (), Fprint ();
1235 extern Lisp_Object Vstandard_output
, Qstandard_output
;
1236 extern Lisp_Object Qexternal_debugging_output
;
1237 extern void temp_output_buffer_setup (), temp_output_buffer_show ();
1238 extern int print_level
, print_escape_newlines
;
1239 extern Lisp_Object Qprint_escape_newlines
;
1241 /* Defined in lread.c */
1242 extern Lisp_Object Qvariable_documentation
, Qstandard_input
;
1243 extern Lisp_Object Vobarray
, Vstandard_input
;
1244 extern Lisp_Object
Fread (), Fread_from_string ();
1245 extern Lisp_Object
Fintern (), Fintern_soft (), Fload ();
1246 extern Lisp_Object
Fget_file_char (), Fread_char ();
1247 extern Lisp_Object
read_filtered_event ();
1248 extern Lisp_Object
Feval_current_buffer (), Feval_region ();
1249 extern Lisp_Object
intern (), oblookup ();
1250 #define LOADHIST_ATTACH(x) \
1251 if (initialized) Vcurrent_load_list = Fcons (x, Vcurrent_load_list)
1252 extern Lisp_Object Vcurrent_load_list
;
1253 extern Lisp_Object Vload_history
;
1255 /* Defined in eval.c */
1256 extern Lisp_Object Qautoload
, Qexit
, Qinteractive
, Qcommandp
, Qdefun
, Qmacro
;
1257 extern Lisp_Object Vinhibit_quit
, Qinhibit_quit
, Vquit_flag
;
1258 extern Lisp_Object Vmocklisp_arguments
, Qmocklisp
, Qmocklisp_arguments
;
1259 extern Lisp_Object Vautoload_queue
;
1260 extern Lisp_Object Vdebug_on_error
;
1261 /* To run a normal hook, do
1262 if (!NILP (Vrun_hooks))
1263 call1 (Vrun_hooks, Qmy_funny_hook); */
1264 extern Lisp_Object Vrun_hooks
;
1265 extern Lisp_Object
Fand (), For (), Fif (), Fprogn (), Fprog1 (), Fprog2 ();
1266 extern Lisp_Object
Fsetq (), Fquote ();
1267 extern Lisp_Object
Fuser_variable_p (), Finteractive_p ();
1268 extern Lisp_Object
Fdefun (), Flet (), FletX (), Fwhile ();
1269 extern Lisp_Object
Fcatch (), Fthrow (), Funwind_protect ();
1270 extern Lisp_Object
Fcondition_case (), Fsignal ();
1271 extern Lisp_Object
Ffunction_type (), Fautoload (), Fcommandp ();
1272 extern Lisp_Object
Feval (), Fapply (), Ffuncall ();
1273 extern Lisp_Object
Fglobal_set (), Fglobal_value (), Fbacktrace ();
1274 extern Lisp_Object
apply1 (), call0 (), call1 (), call2 (), call3 ();
1275 extern Lisp_Object
call4 (), call5 (), call6 ();
1276 extern Lisp_Object
Fkill_emacs (), Fkey_binding (), Fsit_for ();
1277 extern Lisp_Object
Fdo_auto_save (), Fset_marker ();
1278 extern Lisp_Object
apply_lambda ();
1279 extern Lisp_Object
internal_catch ();
1280 extern Lisp_Object
internal_condition_case ();
1281 extern Lisp_Object
internal_condition_case_1 ();
1282 extern Lisp_Object
unbind_to ();
1283 extern void error ();
1284 extern Lisp_Object
un_autoload ();
1286 /* Defined in editfns.c */
1287 extern Lisp_Object
Fgoto_char ();
1288 extern Lisp_Object
Fpoint_min_marker (), Fpoint_max_marker ();
1289 extern Lisp_Object
Fpoint_min (), Fpoint_max ();
1290 extern Lisp_Object
Fpoint (), Fpoint_marker (), Fmark_marker ();
1291 extern Lisp_Object
Ffollowing_char (), Fprevious_char (), Fchar_after ();
1292 extern Lisp_Object
Finsert ();
1293 extern Lisp_Object
Feolp (), Feobp (), Fbolp (), Fbobp ();
1294 extern Lisp_Object
Fformat (), format1 ();
1295 extern Lisp_Object
make_buffer_string (), Fbuffer_substring ();
1296 extern Lisp_Object
Fbuffer_string ();
1297 extern Lisp_Object
Fstring_equal (), Fstring_lessp (), Fbuffer_substring_lessp ();
1298 extern Lisp_Object
save_excursion_save (), save_restriction_save ();
1299 extern Lisp_Object
save_excursion_restore (), save_restriction_restore ();
1300 extern Lisp_Object
Fchar_to_string ();
1302 /* defined in buffer.c */
1303 extern Lisp_Object Vbuffer_alist
, Vinhibit_read_only
;
1304 extern Lisp_Object
Fget_buffer (), Fget_buffer_create (), Fset_buffer ();
1305 extern Lisp_Object
Fbarf_if_buffer_read_only ();
1306 extern Lisp_Object
Fcurrent_buffer (), Fswitch_to_buffer (), Fpop_to_buffer ();
1307 extern Lisp_Object
Fother_buffer ();
1308 extern Lisp_Object
Foverlay_get ();
1309 extern Lisp_Object Qoverlayp
;
1310 extern struct buffer
*all_buffers
;
1312 /* defined in marker.c */
1314 extern Lisp_Object
Fmarker_position (), Fmarker_buffer ();
1315 extern Lisp_Object
Fcopy_marker ();
1317 /* Defined in fileio.c */
1319 extern Lisp_Object Qfile_error
;
1320 extern Lisp_Object
Ffind_file_name_handler ();
1321 extern Lisp_Object
Ffile_name_as_directory ();
1322 extern Lisp_Object
Fexpand_file_name (), Ffile_name_nondirectory ();
1323 extern Lisp_Object
Fsubstitute_in_file_name ();
1324 extern Lisp_Object
Ffile_symlink_p ();
1325 extern Lisp_Object
Fverify_visited_file_modtime ();
1326 extern Lisp_Object
Ffile_exists_p ();
1327 extern Lisp_Object
Fdirectory_file_name ();
1328 extern Lisp_Object
Ffile_name_directory ();
1329 extern Lisp_Object
expand_and_dir_to_file ();
1330 extern Lisp_Object
Ffile_accessible_directory_p ();
1331 extern Lisp_Object
Funhandled_file_name_directory ();
1333 /* Defined in abbrev.c */
1335 extern Lisp_Object Vfundamental_mode_abbrev_table
;
1337 /* defined in search.c */
1338 extern Lisp_Object
Fstring_match ();
1339 extern Lisp_Object
Fscan_buffer ();
1341 /* defined in minibuf.c */
1343 extern Lisp_Object last_minibuf_string
;
1344 extern Lisp_Object
read_minibuf (), Fcompleting_read ();
1345 extern Lisp_Object
Fread_from_minibuffer ();
1346 extern Lisp_Object
Fread_variable (), Fread_buffer (), Fread_key_sequence ();
1347 extern Lisp_Object
Fread_minibuffer (), Feval_minibuffer ();
1348 extern Lisp_Object
Fread_string (), Fread_file_name ();
1349 extern Lisp_Object
Fread_no_blanks_input ();
1351 /* Defined in callint.c */
1353 extern Lisp_Object Vprefix_arg
, Qminus
, Qplus
, Vcurrent_prefix_arg
;
1354 extern Lisp_Object Vcommand_history
;
1355 extern Lisp_Object Qcall_interactively
;
1356 extern Lisp_Object
Fcall_interactively ();
1357 extern Lisp_Object
Fprefix_numeric_value ();
1359 /* defined in casefiddle.c */
1361 extern Lisp_Object
Fdowncase (), Fupcase (), Fcapitalize ();
1363 /* defined in keyboard.c */
1365 extern Lisp_Object Qdisabled
;
1366 extern Lisp_Object Vhelp_form
, Vtop_level
;
1367 extern Lisp_Object
Fdiscard_input (), Frecursive_edit ();
1368 extern Lisp_Object
Fcommand_execute (), Finput_pending_p ();
1369 extern Lisp_Object Qvertical_scroll_bar
;
1371 /* defined in keymap.c */
1373 extern Lisp_Object Qkeymap
, Qmenu_bar
;
1374 extern Lisp_Object current_global_map
;
1375 extern Lisp_Object
Fkey_description (), Fsingle_key_description ();
1376 extern Lisp_Object
Fwhere_is_internal ();
1377 extern Lisp_Object
access_keymap (), store_in_keymap ();
1378 extern Lisp_Object
get_keyelt (), get_keymap();
1380 /* defined in indent.c */
1381 extern Lisp_Object
Fvertical_motion (), Findent_to (), Fcurrent_column ();
1383 /* defined in window.c */
1384 extern Lisp_Object Qwindowp
, Qwindow_live_p
;
1385 extern Lisp_Object
Fget_buffer_window ();
1386 extern Lisp_Object
Fsave_window_excursion ();
1387 extern Lisp_Object
Fset_window_configuration (), Fcurrent_window_configuration ();
1388 extern Lisp_Object
Fcoordinates_in_window_p ();
1389 extern Lisp_Object
Fwindow_at ();
1390 extern int window_internal_height (), window_internal_width ();
1392 /* defined in frame.c */
1393 extern Lisp_Object Qvisible
;
1394 extern Lisp_Object
Fframep ();
1395 extern Lisp_Object
Fselect_frame ();
1396 extern Lisp_Object
Ffocus_frame ();
1397 extern Lisp_Object
Funfocus_frame ();
1398 extern Lisp_Object
Fselected_frame ();
1399 extern Lisp_Object
Fwindow_frame ();
1400 extern Lisp_Object
Fframe_root_window ();
1401 extern Lisp_Object
Fframe_selected_window ();
1402 extern Lisp_Object
Fframe_list ();
1403 extern Lisp_Object
Fnext_frame ();
1404 extern Lisp_Object
Fdelete_frame ();
1405 extern Lisp_Object
Fread_mouse_position ();
1406 extern Lisp_Object
Fset_mouse_position ();
1407 extern Lisp_Object
Fmake_frame_visible ();
1408 extern Lisp_Object
Fmake_frame_invisible ();
1409 extern Lisp_Object
Ficonify_frame ();
1410 extern Lisp_Object
Fdeiconify_frame ();
1411 extern Lisp_Object
Fframe_visible_p ();
1412 extern Lisp_Object
Fvisible_frame_list ();
1413 extern Lisp_Object
Fframe_parameters ();
1414 extern Lisp_Object
Fmodify_frame_parameters ();
1415 extern Lisp_Object
Fframe_pixel_size ();
1416 extern Lisp_Object
Fframe_height ();
1417 extern Lisp_Object
Fframe_width ();
1418 extern Lisp_Object
Fset_frame_height ();
1419 extern Lisp_Object
Fset_frame_width ();
1420 extern Lisp_Object
Fset_frame_size ();
1421 extern Lisp_Object
Fset_frame_position ();
1423 extern Lisp_Object
Frubber_band_rectangle ();
1424 #endif /* HAVE_X11 */
1426 /* defined in emacs.c */
1427 extern Lisp_Object
decode_env_path ();
1428 extern Lisp_Object Vinvocation_name
, Vinvocation_directory
;
1429 extern Lisp_Object Vinstallation_directory
;
1430 void shut_down_emacs ( /* int signal, int no_x, Lisp_Object stuff */ );
1431 /* Nonzero means don't do interactive redisplay and don't change tty modes */
1432 extern int noninteractive
;
1433 /* Nonzero means don't do use window-system-specific display code */
1434 extern int inhibit_window_system
;
1436 /* defined in process.c */
1437 extern Lisp_Object
Fget_process (), Fget_buffer_process (), Fprocessp ();
1438 extern Lisp_Object
Fprocess_status (), Fkill_process ();
1439 extern Lisp_Object
Fprocess_send_eof ();
1441 /* defined in callproc.c */
1442 extern Lisp_Object Vexec_path
, Vexec_directory
, Vdata_directory
;
1443 extern Lisp_Object Vdoc_directory
;
1445 /* defined in doc.c */
1446 extern Lisp_Object Vdoc_file_name
;
1447 extern Lisp_Object
Fsubstitute_command_keys ();
1448 extern Lisp_Object
Fdocumentation (), Fdocumentation_property ();
1450 /* defined in bytecode.c */
1451 extern Lisp_Object Qbytecode
;
1452 extern Lisp_Object
Fbyte_code ();
1454 /* defined in macros.c */
1455 extern Lisp_Object Qexecute_kbd_macro
;
1456 extern Lisp_Object
Fexecute_kbd_macro ();
1458 /* defined in undo.c */
1459 extern Lisp_Object
Fundo_boundary ();
1460 extern Lisp_Object
truncate_undo_list ();
1462 /* defined in textprop.c */
1463 extern Lisp_Object Qmodification_hooks
;
1464 extern Lisp_Object Qinsert_in_front_hooks
, Qinsert_behind_hooks
;
1465 extern Lisp_Object
Fnext_property_change ();
1466 extern Lisp_Object
Fnext_single_property_change ();
1468 /* Nonzero means Emacs has already been initialized.
1469 Used during startup to detect startup of dumped Emacs. */
1470 extern int initialized
;
1472 extern int immediate_quit
; /* Nonzero means ^G can quit instantly */
1474 extern void debugger ();
1476 extern char *getenv (), *ctime (), *getwd ();
1477 extern long *xmalloc (), *xrealloc ();
1478 extern void xfree ();
1480 extern char *egetenv ();
1482 /* Set up the name of the machine we're running on. */
1483 extern void init_system_name ();
1485 /* Some systems (e.g., NT) use a different path separator than Unix,
1486 in addition to a device separator. Default the path separator
1487 to '/', and don't test for a device separator in IS_ANY_SEP. */
1489 #ifndef DIRECTORY_SEP
1490 #define DIRECTORY_SEP '/'
1492 #ifndef IS_DIRECTORY_SEP
1493 #define IS_DIRECTORY_SEP(_c_) ((_c_) == DIRECTORY_SEP)
1495 #ifndef IS_DEVICE_SEP
1497 #define IS_DEVICE_SEP(_c_) 0
1499 #define IS_DEVICE_SEP(_c_) ((_c_) == DEVICE_SEP)
1503 #define IS_ANY_SEP(_c_) (IS_DIRECTORY_SEP (_c_))