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3cfe6dfd | 1 | /* Fundamental definitions for GNU Emacs Lisp interpreter. |
ddf9883e | 2 | Copyright (C) 1985, 1986, 1987, 1993, 1994, 1995, 1997, 1998, 1999, 2000, |
114f9c96 | 3 | 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 |
8cabe764 | 4 | Free Software Foundation, Inc. |
3cfe6dfd JB |
5 | |
6 | This file is part of GNU Emacs. | |
7 | ||
b9b1cc14 | 8 | GNU Emacs is free software: you can redistribute it and/or modify |
3cfe6dfd | 9 | it under the terms of the GNU General Public License as published by |
b9b1cc14 GM |
10 | the Free Software Foundation, either version 3 of the License, or |
11 | (at your option) any later version. | |
3cfe6dfd JB |
12 | |
13 | GNU Emacs is distributed in the hope that it will be useful, | |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
b9b1cc14 | 19 | along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */ |
3cfe6dfd | 20 | |
6b61353c KH |
21 | #ifndef EMACS_LISP_H |
22 | #define EMACS_LISP_H | |
23 | ||
7b3a82d7 DN |
24 | /* Use the configure flag --enable-checking[=LIST] to enable various |
25 | types of run time checks for Lisp objects. */ | |
35f464a7 | 26 | |
cdf61d83 RS |
27 | #ifdef GC_CHECK_CONS_LIST |
28 | #define CHECK_CONS_LIST() check_cons_list() | |
29 | #else | |
5bb7dfee | 30 | #define CHECK_CONS_LIST() ((void)0) |
cdf61d83 | 31 | #endif |
3cfe6dfd | 32 | |
ce99fd65 | 33 | /* These are default choices for the types to use. */ |
68c45bf0 PE |
34 | #ifdef _LP64 |
35 | #ifndef EMACS_INT | |
36 | #define EMACS_INT long | |
37 | #define BITS_PER_EMACS_INT BITS_PER_LONG | |
38 | #endif | |
39 | #ifndef EMACS_UINT | |
40 | #define EMACS_UINT unsigned long | |
41 | #endif | |
42 | #else /* not _LP64 */ | |
ce99fd65 RS |
43 | #ifndef EMACS_INT |
44 | #define EMACS_INT int | |
1747fb16 | 45 | #define BITS_PER_EMACS_INT BITS_PER_INT |
ce99fd65 RS |
46 | #endif |
47 | #ifndef EMACS_UINT | |
48 | #define EMACS_UINT unsigned int | |
49 | #endif | |
68c45bf0 | 50 | #endif |
ce99fd65 | 51 | |
e0b8c689 KR |
52 | /* Extra internal type checking? */ |
53 | extern int suppress_checking; | |
383e0970 | 54 | extern void die (const char *, const char *, int) NO_RETURN; |
c6129d7e KR |
55 | |
56 | #ifdef ENABLE_CHECKING | |
57 | ||
383b707e KR |
58 | /* The suppress_checking variable is initialized to 0 in alloc.c. Set |
59 | it to 1 using a debugger to temporarily disable aborting on | |
60 | detected internal inconsistencies or error conditions. | |
61 | ||
62 | Testing suppress_checking after the supplied condition ensures that | |
63 | the side effects produced by CHECK will be consistent, independent | |
64 | of whether ENABLE_CHECKING is defined, or whether the checks are | |
65 | suppressed at run time. | |
66 | ||
67 | In some cases, a good compiler may be able to optimize away the | |
68 | CHECK macro altogether, e.g., if XSTRING (x) uses CHECK to test | |
69 | STRINGP (x), but a particular use of XSTRING is invoked only after | |
70 | testing that STRINGP (x) is true, making the test redundant. */ | |
71 | ||
6cbe2e28 | 72 | #define CHECK(check,msg) (((check) || suppress_checking \ |
7eb9e30d | 73 | ? (void) 0 \ |
6cbe2e28 | 74 | : die ((msg), __FILE__, __LINE__)), \ |
c6129d7e | 75 | 0) |
e0b8c689 | 76 | #else |
c6129d7e | 77 | |
e0b8c689 KR |
78 | /* Produce same side effects and result, but don't complain. */ |
79 | #define CHECK(check,msg) ((check),0) | |
c6129d7e | 80 | |
e0b8c689 | 81 | #endif |
c6129d7e | 82 | |
e0b8c689 KR |
83 | /* Define an Emacs version of "assert", since some system ones are |
84 | flaky. */ | |
3694b4ab GM |
85 | #ifndef ENABLE_CHECKING |
86 | #define eassert(X) (void) 0 | |
87 | #else /* ENABLE_CHECKING */ | |
e0b8c689 KR |
88 | #if defined (__GNUC__) && __GNUC__ >= 2 && defined (__STDC__) |
89 | #define eassert(cond) CHECK(cond,"assertion failed: " #cond) | |
90 | #else | |
91 | #define eassert(cond) CHECK(cond,"assertion failed") | |
92 | #endif | |
3694b4ab | 93 | #endif /* ENABLE_CHECKING */ |
b9466edb | 94 | \f |
d9170db5 DN |
95 | /* Use the configure flag --enable-use-lisp-union-type to make |
96 | Lisp_Object use a union type instead of the default int. The flag | |
97 | causes USE_LISP_UNION_TYPE to be defined. */ | |
b86cfd28 | 98 | |
b9466edb SM |
99 | /***** Select the tagging scheme. *****/ |
100 | /* There are basically two options that control the tagging scheme: | |
b86cfd28 EZ |
101 | - USE_LISP_UNION_TYPE says that Lisp_Object should be a union instead |
102 | of an integer. | |
b9466edb SM |
103 | - USE_LSB_TAG means that we can assume the least 3 bits of pointers are |
104 | always 0, and we can thus use them to hold tag bits, without | |
105 | restricting our addressing space. | |
106 | ||
107 | If USE_LSB_TAG is not set, then we use the top 3 bits for tagging, thus | |
108 | restricting our possible address range. Currently USE_LSB_TAG is not | |
109 | allowed together with a union. This is not due to any fundamental | |
110 | technical (or political ;-) problem: nobody wrote the code to do it yet. | |
111 | ||
112 | USE_LSB_TAG not only requires the least 3 bits of pointers returned by | |
113 | malloc to be 0 but also needs to be able to impose a mult-of-8 alignment | |
114 | on the few static Lisp_Objects used: all the defsubr as well | |
115 | as the two special buffers buffer_defaults and buffer_local_symbols. */ | |
116 | ||
117 | /* First, try and define DECL_ALIGN(type,var) which declares a static | |
118 | variable VAR of type TYPE with the added requirement that it be | |
119 | TYPEBITS-aligned. */ | |
120 | #ifndef NO_DECL_ALIGN | |
121 | # ifndef DECL_ALIGN | |
122 | /* What compiler directive should we use for non-gcc compilers? -stef */ | |
123 | # if defined (__GNUC__) | |
124 | # define DECL_ALIGN(type, var) \ | |
125 | type __attribute__ ((__aligned__ (1 << GCTYPEBITS))) var | |
126 | # endif | |
127 | # endif | |
128 | #endif | |
129 | ||
130 | /* Let's USE_LSB_TAG on systems where we know malloc returns mult-of-8. */ | |
4e622592 | 131 | #if defined GNU_MALLOC || defined DOUG_LEA_MALLOC || defined __GLIBC__ || defined DARWIN_OS |
b9466edb SM |
132 | /* We also need to be able to specify mult-of-8 alignment on static vars. */ |
133 | # if defined DECL_ALIGN | |
b349d111 | 134 | # define USE_LSB_TAG |
b9466edb SM |
135 | # endif |
136 | #endif | |
137 | ||
138 | /* If we cannot use 8-byte alignment, make DECL_ALIGN a no-op. */ | |
139 | #ifndef DECL_ALIGN | |
140 | # ifdef USE_LSB_TAG | |
141 | # error "USE_LSB_TAG used without defining DECL_ALIGN" | |
142 | # endif | |
143 | # define DECL_ALIGN(type, var) type var | |
144 | #endif | |
145 | ||
e0b8c689 | 146 | |
99a3d506 | 147 | /* Define the fundamental Lisp data structures. */ |
3cfe6dfd | 148 | |
2de9f71c SM |
149 | /* If USE_2_TAGBITS_FOR_INTS is defined, then Lisp integers use |
150 | 2 tags, to give them one extra bit, thus extending their range from | |
151 | e.g -2^28..2^28-1 to -2^29..2^29-1. */ | |
152 | #define USE_2_TAGS_FOR_INTS | |
153 | ||
154 | /* Making it work for the union case is too much trouble. */ | |
155 | #ifdef USE_LISP_UNION_TYPE | |
156 | # undef USE_2_TAGS_FOR_INTS | |
157 | #endif | |
158 | ||
99a3d506 | 159 | /* This is the set of Lisp data types. */ |
3cfe6dfd | 160 | |
2de9f71c SM |
161 | #if !defined USE_2_TAGS_FOR_INTS |
162 | # define LISP_INT_TAG Lisp_Int | |
163 | # define case_Lisp_Int case Lisp_Int | |
164 | # define LISP_STRING_TAG 4 | |
165 | # define LISP_INT_TAG_P(x) ((x) == Lisp_Int) | |
166 | #else | |
167 | # define LISP_INT_TAG Lisp_Int0 | |
168 | # define case_Lisp_Int case Lisp_Int0: case Lisp_Int1 | |
169 | # ifdef USE_LSB_TAG | |
170 | # define LISP_INT1_TAG 4 | |
171 | # define LISP_STRING_TAG 1 | |
172 | # define LISP_INT_TAG_P(x) (((x) & 3) == 0) | |
173 | # else | |
174 | # define LISP_INT1_TAG 1 | |
175 | # define LISP_STRING_TAG 4 | |
176 | # define LISP_INT_TAG_P(x) (((x) & 6) == 0) | |
177 | # endif | |
178 | #endif | |
179 | ||
3cfe6dfd JB |
180 | enum Lisp_Type |
181 | { | |
99a3d506 | 182 | /* Integer. XINT (obj) is the integer value. */ |
2de9f71c SM |
183 | #ifdef USE_2_TAGS_FOR_INTS |
184 | Lisp_Int0 = 0, | |
185 | Lisp_Int1 = LISP_INT1_TAG, | |
186 | #else | |
187 | Lisp_Int = 0, | |
188 | #endif | |
3cfe6dfd | 189 | |
99a3d506 | 190 | /* Symbol. XSYMBOL (object) points to a struct Lisp_Symbol. */ |
2de9f71c | 191 | Lisp_Symbol = 2, |
3cfe6dfd | 192 | |
84d1833e KH |
193 | /* Miscellaneous. XMISC (object) points to a union Lisp_Misc, |
194 | whose first member indicates the subtype. */ | |
2de9f71c | 195 | Lisp_Misc = 3, |
3cfe6dfd JB |
196 | |
197 | /* String. XSTRING (object) points to a struct Lisp_String. | |
99a3d506 | 198 | The length of the string, and its contents, are stored therein. */ |
2de9f71c | 199 | Lisp_String = LISP_STRING_TAG, |
3cfe6dfd | 200 | |
b5088f80 | 201 | /* Vector of Lisp objects, or something resembling it. |
7c06ac2b | 202 | XVECTOR (object) points to a struct Lisp_Vector, which contains |
b5088f80 KH |
203 | the size and contents. The size field also contains the type |
204 | information, if it's not a real vector object. */ | |
2de9f71c | 205 | Lisp_Vectorlike = 5, |
3cfe6dfd | 206 | |
99a3d506 | 207 | /* Cons. XCONS (object) points to a struct Lisp_Cons. */ |
2de9f71c | 208 | Lisp_Cons = 6, |
4d1207f6 | 209 | |
2de9f71c | 210 | Lisp_Float = 7, |
3cfe6dfd JB |
211 | }; |
212 | ||
a32fa736 | 213 | /* This is the set of data types that share a common structure. |
c98adc1b KH |
214 | The first member of the structure is a type code from this set. |
215 | The enum values are arbitrary, but we'll use large numbers to make it | |
216 | more likely that we'll spot the error if a random word in memory is | |
217 | mistakenly interpreted as a Lisp_Misc. */ | |
1c4ca5a3 KH |
218 | enum Lisp_Misc_Type |
219 | { | |
c98adc1b | 220 | Lisp_Misc_Free = 0x5eab, |
84d1833e | 221 | Lisp_Misc_Marker, |
99a3d506 | 222 | Lisp_Misc_Overlay, |
222151aa | 223 | Lisp_Misc_Save_Value, |
99a3d506 RS |
224 | /* Currently floats are not a misc type, |
225 | but let's define this in case we want to change that. */ | |
226 | Lisp_Misc_Float, | |
227 | /* This is not a type code. It is for range checking. */ | |
228 | Lisp_Misc_Limit | |
1c4ca5a3 KH |
229 | }; |
230 | ||
ce5b453a SM |
231 | /* These are the types of forwarding objects used in the value slot |
232 | of symbols for special built-in variables whose value is stored in | |
233 | C variables. */ | |
234 | enum Lisp_Fwd_Type | |
235 | { | |
236 | Lisp_Fwd_Int, /* Fwd to a C `int' variable. */ | |
237 | Lisp_Fwd_Bool, /* Fwd to a C boolean var. */ | |
238 | Lisp_Fwd_Obj, /* Fwd to a C Lisp_Object variable. */ | |
239 | Lisp_Fwd_Buffer_Obj, /* Fwd to a Lisp_Object field of buffers. */ | |
240 | Lisp_Fwd_Kboard_Obj, /* Fwd to a Lisp_Object field of kboards. */ | |
241 | }; | |
242 | ||
e2ba196c KH |
243 | #ifndef GCTYPEBITS |
244 | #define GCTYPEBITS 3 | |
245 | #endif | |
246 | ||
5f6bf5fe SM |
247 | /* These values are overridden by the m- file on some machines. */ |
248 | #ifndef VALBITS | |
6b61353c | 249 | #define VALBITS (BITS_PER_EMACS_INT - GCTYPEBITS) |
5f6bf5fe SM |
250 | #endif |
251 | ||
b86cfd28 | 252 | #ifdef USE_LISP_UNION_TYPE |
3cfe6dfd | 253 | |
c451d7b1 | 254 | #ifndef WORDS_BIG_ENDIAN |
3cfe6dfd JB |
255 | |
256 | /* Definition of Lisp_Object for little-endian machines. */ | |
257 | ||
258 | typedef | |
259 | union Lisp_Object | |
260 | { | |
261 | /* Used for comparing two Lisp_Objects; | |
99a3d506 | 262 | also, positive integers can be accessed fast this way. */ |
b9466edb | 263 | EMACS_UINT i; |
3cfe6dfd JB |
264 | |
265 | struct | |
266 | { | |
5c20a7bf | 267 | EMACS_INT val : VALBITS; |
6b61353c | 268 | enum Lisp_Type type : GCTYPEBITS; |
3cfe6dfd JB |
269 | } s; |
270 | struct | |
271 | { | |
5c20a7bf | 272 | EMACS_UINT val : VALBITS; |
6b61353c | 273 | enum Lisp_Type type : GCTYPEBITS; |
3cfe6dfd | 274 | } u; |
3cfe6dfd JB |
275 | } |
276 | Lisp_Object; | |
277 | ||
c451d7b1 | 278 | #else /* If WORDS_BIG_ENDIAN */ |
3cfe6dfd JB |
279 | |
280 | typedef | |
281 | union Lisp_Object | |
282 | { | |
283 | /* Used for comparing two Lisp_Objects; | |
99a3d506 | 284 | also, positive integers can be accessed fast this way. */ |
b9466edb | 285 | EMACS_UINT i; |
3cfe6dfd JB |
286 | |
287 | struct | |
288 | { | |
6b61353c | 289 | enum Lisp_Type type : GCTYPEBITS; |
5c20a7bf | 290 | EMACS_INT val : VALBITS; |
3cfe6dfd JB |
291 | } s; |
292 | struct | |
293 | { | |
6b61353c | 294 | enum Lisp_Type type : GCTYPEBITS; |
5c20a7bf | 295 | EMACS_UINT val : VALBITS; |
3cfe6dfd | 296 | } u; |
3cfe6dfd JB |
297 | } |
298 | Lisp_Object; | |
299 | ||
c451d7b1 | 300 | #endif /* WORDS_BIG_ENDIAN */ |
3cfe6dfd | 301 | |
f3fbd155 KR |
302 | #ifdef __GNUC__ |
303 | static __inline__ Lisp_Object | |
304 | LISP_MAKE_RVALUE (Lisp_Object o) | |
305 | { | |
306 | return o; | |
307 | } | |
308 | #else | |
52766425 KR |
309 | /* This is more portable to pre-C99 non-GCC compilers, but for |
310 | backwards compatibility GCC still accepts an old GNU extension | |
311 | which caused this to only generate a warning. */ | |
312 | #define LISP_MAKE_RVALUE(o) (0 ? (o) : (o)) | |
f3fbd155 KR |
313 | #endif |
314 | ||
b86cfd28 | 315 | #else /* USE_LISP_UNION_TYPE */ |
3cfe6dfd | 316 | |
1c5ca8b6 | 317 | /* If union type is not wanted, define Lisp_Object as just a number. */ |
3cfe6dfd | 318 | |
c003141f | 319 | typedef EMACS_INT Lisp_Object; |
f3fbd155 | 320 | #define LISP_MAKE_RVALUE(o) (0+(o)) |
b86cfd28 | 321 | #endif /* USE_LISP_UNION_TYPE */ |
3cfe6dfd | 322 | |
00baad70 | 323 | /* In the size word of a vector, this bit means the vector has been marked. */ |
846d69ac | 324 | |
d0fdb6da | 325 | #define ARRAY_MARK_FLAG ((EMACS_UINT) 1 << (BITS_PER_EMACS_INT - 1)) |
846d69ac | 326 | |
b5088f80 KH |
327 | /* In the size word of a struct Lisp_Vector, this bit means it's really |
328 | some other vector-like object. */ | |
d0fdb6da | 329 | #define PSEUDOVECTOR_FLAG ((ARRAY_MARK_FLAG >> 1)) |
b5088f80 | 330 | |
303a5c93 | 331 | /* In a pseudovector, the size field actually contains a word with one |
b5088f80 | 332 | PSEUDOVECTOR_FLAG bit set, and exactly one of the following bits to |
49e49fb5 | 333 | indicate the actual type. |
539b8c1c SM |
334 | We use a bitset, even tho only one of the bits can be set at any |
335 | particular time just so as to be able to use micro-optimizations such as | |
336 | testing membership of a particular subset of pseudovectors in Fequal. | |
337 | It is not crucial, but there are plenty of bits here, so why not do it? */ | |
99a3d506 RS |
338 | enum pvec_type |
339 | { | |
340 | PVEC_NORMAL_VECTOR = 0, | |
99a3d506 RS |
341 | PVEC_PROCESS = 0x200, |
342 | PVEC_FRAME = 0x400, | |
343 | PVEC_COMPILED = 0x800, | |
344 | PVEC_WINDOW = 0x1000, | |
345 | PVEC_WINDOW_CONFIGURATION = 0x2000, | |
346 | PVEC_SUBR = 0x4000, | |
608ff985 RS |
347 | PVEC_CHAR_TABLE = 0x8000, |
348 | PVEC_BOOL_VECTOR = 0x10000, | |
349 | PVEC_BUFFER = 0x20000, | |
5010d3b8 | 350 | PVEC_HASH_TABLE = 0x40000, |
49e49fb5 | 351 | PVEC_TERMINAL = 0x80000, |
c73bd236 | 352 | PVEC_SUB_CHAR_TABLE = 0x100000, |
f85064bd KH |
353 | PVEC_FONT = 0x200000, |
354 | PVEC_OTHER = 0x400000, | |
355 | PVEC_TYPE_MASK = 0x7ffe00 | |
e2c0561e | 356 | |
cee971ad GM |
357 | #if 0 /* This is used to make the value of PSEUDOVECTOR_FLAG available to |
358 | GDB. It doesn't work on OS Alpha. Moved to a variable in | |
359 | emacs.c. */ | |
e3d48049 | 360 | PVEC_FLAG = PSEUDOVECTOR_FLAG |
cee971ad | 361 | #endif |
99a3d506 | 362 | }; |
b5088f80 | 363 | |
df631196 SM |
364 | /* For convenience, we also store the number of elements in these bits. |
365 | Note that this size is not necessarily the memory-footprint size, but | |
366 | only the number of Lisp_Object fields (that need to be traced by the GC). | |
367 | The distinction is used e.g. by Lisp_Process which places extra | |
368 | non-Lisp_Object fields at the end of the structure. */ | |
608ff985 | 369 | #define PSEUDOVECTOR_SIZE_MASK 0x1ff |
4435a68a AS |
370 | |
371 | /* Number of bits to put in each character in the internal representation | |
372 | of bool vectors. This should not vary across implementations. */ | |
373 | #define BOOL_VECTOR_BITS_PER_CHAR 8 | |
3cfe6dfd JB |
374 | \f |
375 | /* These macros extract various sorts of values from a Lisp_Object. | |
376 | For example, if tem is a Lisp_Object whose type is Lisp_Cons, | |
99a3d506 | 377 | XCONS (tem) is the struct Lisp_Cons * pointing to the memory for that cons. */ |
3cfe6dfd | 378 | |
b86cfd28 | 379 | #ifndef USE_LISP_UNION_TYPE |
3cfe6dfd | 380 | |
b9466edb SM |
381 | /* Return a perfect hash of the Lisp_Object representation. */ |
382 | #define XHASH(a) (a) | |
383 | ||
6b61353c KH |
384 | #ifdef USE_LSB_TAG |
385 | ||
386 | #define TYPEMASK ((((EMACS_INT) 1) << GCTYPEBITS) - 1) | |
387 | #define XTYPE(a) ((enum Lisp_Type) (((EMACS_UINT) (a)) & TYPEMASK)) | |
2de9f71c SM |
388 | #ifdef USE_2_TAGS_FOR_INTS |
389 | # define XINT(a) (((EMACS_INT) (a)) >> (GCTYPEBITS - 1)) | |
390 | # define XUINT(a) (((EMACS_UINT) (a)) >> (GCTYPEBITS - 1)) | |
391 | # define make_number(N) (((EMACS_INT) (N)) << (GCTYPEBITS - 1)) | |
392 | #else | |
393 | # define XINT(a) (((EMACS_INT) (a)) >> GCTYPEBITS) | |
394 | # define XUINT(a) (((EMACS_UINT) (a)) >> GCTYPEBITS) | |
395 | # define make_number(N) (((EMACS_INT) (N)) << GCTYPEBITS) | |
396 | #endif | |
6b61353c KH |
397 | #define XSET(var, type, ptr) \ |
398 | (eassert (XTYPE (ptr) == 0), /* Check alignment. */ \ | |
399 | (var) = ((EMACS_INT) (type)) | ((EMACS_INT) (ptr))) | |
6b61353c | 400 | |
6b61353c KH |
401 | #define XPNTR(a) ((EMACS_INT) ((a) & ~TYPEMASK)) |
402 | ||
403 | #else /* not USE_LSB_TAG */ | |
404 | ||
405 | #define VALMASK ((((EMACS_INT) 1) << VALBITS) - 1) | |
406 | ||
3cfe6dfd JB |
407 | /* One need to override this if there must be high bits set in data space |
408 | (doing the result of the below & ((1 << (GCTYPE + 1)) - 1) would work | |
a32fa736 | 409 | on all machines, but would penalize machines which don't need it) |
3cfe6dfd | 410 | */ |
6b61353c | 411 | #define XTYPE(a) ((enum Lisp_Type) (((EMACS_UINT) (a)) >> VALBITS)) |
3cfe6dfd | 412 | |
221f4ef3 KH |
413 | /* For integers known to be positive, XFASTINT provides fast retrieval |
414 | and XSETFASTINT provides fast storage. This takes advantage of the | |
6b61353c | 415 | fact that Lisp_Int is 0. */ |
e43ec785 | 416 | #define XFASTINT(a) ((a) + 0) |
221f4ef3 | 417 | #define XSETFASTINT(a, b) ((a) = (b)) |
3cfe6dfd | 418 | |
2de9f71c | 419 | /* Extract the value of a Lisp_Object as a (un)signed integer. */ |
3cfe6dfd | 420 | |
2de9f71c SM |
421 | #ifdef USE_2_TAGS_FOR_INTS |
422 | # define XINT(a) ((((EMACS_INT) (a)) << (GCTYPEBITS - 1)) >> (GCTYPEBITS - 1)) | |
423 | # define XUINT(a) ((EMACS_UINT) ((a) & (1 + (VALMASK << 1)))) | |
424 | # define make_number(N) ((((EMACS_INT) (N)) & (1 + (VALMASK << 1)))) | |
425 | #else | |
426 | # define XINT(a) ((((EMACS_INT) (a)) << (BITS_PER_EMACS_INT - VALBITS)) \ | |
6b61353c | 427 | >> (BITS_PER_EMACS_INT - VALBITS)) |
2de9f71c SM |
428 | # define XUINT(a) ((EMACS_UINT) ((a) & VALMASK)) |
429 | # define make_number(N) \ | |
430 | ((((EMACS_INT) (N)) & VALMASK) | ((EMACS_INT) Lisp_Int) << VALBITS) | |
3cfe6dfd JB |
431 | #endif |
432 | ||
3cfe6dfd | 433 | #define XSET(var, type, ptr) \ |
627a9502 | 434 | ((var) = ((EMACS_INT)(type) << VALBITS) + ((EMACS_INT) (ptr) & VALMASK)) |
b7acde90 | 435 | |
2de9f71c | 436 | #define XPNTR(a) ((EMACS_UINT) ((a) & VALMASK)) |
b7acde90 | 437 | |
6b61353c | 438 | #endif /* not USE_LSB_TAG */ |
3cfe6dfd | 439 | |
b86cfd28 | 440 | #else /* USE_LISP_UNION_TYPE */ |
3cfe6dfd | 441 | |
2de9f71c SM |
442 | #ifdef USE_2_TAGS_FOR_INTS |
443 | # error "USE_2_TAGS_FOR_INTS is not supported with USE_LISP_UNION_TYPE" | |
444 | #endif | |
445 | ||
b9466edb SM |
446 | #define XHASH(a) ((a).i) |
447 | ||
3cfe6dfd | 448 | #define XTYPE(a) ((enum Lisp_Type) (a).u.type) |
3cfe6dfd | 449 | |
3cfe6dfd | 450 | #ifdef EXPLICIT_SIGN_EXTEND |
2de9f71c SM |
451 | /* Make sure we sign-extend; compilers have been known to fail to do so. |
452 | We additionally cast to EMACS_INT since it seems that some compilers | |
453 | have been known to fail to do so, even though the bitfield is declared | |
454 | as EMACS_INT already. */ | |
455 | #define XINT(a) ((((EMACS_INT) (a).s.val) << (BITS_PER_EMACS_INT - VALBITS)) \ | |
c98863bf | 456 | >> (BITS_PER_EMACS_INT - VALBITS)) |
3cfe6dfd JB |
457 | #else |
458 | #define XINT(a) ((a).s.val) | |
459 | #endif /* EXPLICIT_SIGN_EXTEND */ | |
460 | ||
461 | #define XUINT(a) ((a).u.val) | |
3cfe6dfd | 462 | |
b349d111 SM |
463 | #ifdef USE_LSB_TAG |
464 | ||
465 | # define XSET(var, vartype, ptr) \ | |
466 | (eassert ((((EMACS_UINT) (ptr)) & ((1 << GCTYPEBITS) - 1)) == 0), \ | |
467 | (var).u.val = ((EMACS_UINT) (ptr)) >> GCTYPEBITS, \ | |
468 | (var).u.type = ((char) (vartype))) | |
469 | ||
524420d2 SM |
470 | /* Some versions of gcc seem to consider the bitfield width when issuing |
471 | the "cast to pointer from integer of different size" warning, so the | |
472 | cast is here to widen the value back to its natural size. */ | |
473 | # define XPNTR(v) ((EMACS_INT)((v).s.val) << GCTYPEBITS) | |
b349d111 SM |
474 | |
475 | #else /* !USE_LSB_TAG */ | |
476 | ||
477 | /* For integers known to be positive, XFASTINT provides fast retrieval | |
478 | and XSETFASTINT provides fast storage. This takes advantage of the | |
479 | fact that Lisp_Int is 0. */ | |
480 | # define XFASTINT(a) ((a).i + 0) | |
481 | # define XSETFASTINT(a, b) ((a).i = (b)) | |
482 | ||
483 | # define XSET(var, vartype, ptr) \ | |
5c20a7bf | 484 | (((var).s.val = ((EMACS_INT) (ptr))), ((var).s.type = ((char) (vartype)))) |
3cfe6dfd | 485 | |
b349d111 SM |
486 | #endif /* !USE_LSB_TAG */ |
487 | ||
74e49b38 KR |
488 | #if __GNUC__ >= 2 && defined (__OPTIMIZE__) |
489 | #define make_number(N) \ | |
490 | (__extension__ ({ Lisp_Object _l; _l.s.val = (N); _l.s.type = Lisp_Int; _l; })) | |
491 | #else | |
383e0970 | 492 | extern Lisp_Object make_number (EMACS_INT); |
74e49b38 | 493 | #endif |
e98227af | 494 | |
b86cfd28 | 495 | #endif /* USE_LISP_UNION_TYPE */ |
6b61353c | 496 | |
b349d111 SM |
497 | /* For integers known to be positive, XFASTINT sometimes provides |
498 | faster retrieval and XSETFASTINT provides faster storage. | |
499 | If not, fallback on the non-accelerated path. */ | |
500 | #ifndef XFASTINT | |
501 | # define XFASTINT(a) (XINT (a)) | |
502 | # define XSETFASTINT(a, b) (XSETINT (a, b)) | |
503 | #endif | |
504 | ||
b9466edb SM |
505 | #define EQ(x, y) (XHASH (x) == XHASH (y)) |
506 | ||
8febed74 KR |
507 | #ifndef XPNTR |
508 | #ifdef HAVE_SHM | |
509 | /* In this representation, data is found in two widely separated segments. */ | |
510 | extern size_t pure_size; | |
511 | #define XPNTR(a) \ | |
512 | (XUINT (a) | (XUINT (a) > pure_size ? DATA_SEG_BITS : PURE_SEG_BITS)) | |
513 | #else /* not HAVE_SHM */ | |
514 | #ifdef DATA_SEG_BITS | |
515 | /* This case is used for the rt-pc. | |
516 | In the diffs I was given, it checked for ptr = 0 | |
517 | and did not adjust it in that case. | |
518 | But I don't think that zero should ever be found | |
519 | in a Lisp object whose data type says it points to something. */ | |
520 | #define XPNTR(a) (XUINT (a) | DATA_SEG_BITS) | |
521 | #else | |
98950fd6 KR |
522 | /* Some versions of gcc seem to consider the bitfield width when |
523 | issuing the "cast to pointer from integer of different size" | |
524 | warning, so the cast is here to widen the value back to its natural | |
525 | size. */ | |
526 | #define XPNTR(a) ((EMACS_INT) XUINT (a)) | |
8febed74 KR |
527 | #endif |
528 | #endif /* not HAVE_SHM */ | |
529 | #endif /* no XPNTR */ | |
530 | ||
d9eb1c3d GM |
531 | /* Largest and smallest representable fixnum values. These are the C |
532 | values. */ | |
dc8e8b07 | 533 | |
2de9f71c SM |
534 | #ifdef USE_2_TAGS_FOR_INTS |
535 | # define MOST_NEGATIVE_FIXNUM - ((EMACS_INT) 1 << VALBITS) | |
536 | # define MOST_POSITIVE_FIXNUM (((EMACS_INT) 1 << VALBITS) - 1) | |
6b61353c KH |
537 | /* Mask indicating the significant bits of a Lisp_Int. |
538 | I.e. (x & INTMASK) == XUINT (make_number (x)). */ | |
2de9f71c SM |
539 | # define INTMASK ((((EMACS_INT) 1) << (VALBITS + 1)) - 1) |
540 | #else | |
541 | # define MOST_NEGATIVE_FIXNUM - ((EMACS_INT) 1 << (VALBITS - 1)) | |
542 | # define MOST_POSITIVE_FIXNUM (((EMACS_INT) 1 << (VALBITS - 1)) - 1) | |
543 | /* Mask indicating the significant bits of a Lisp_Int. | |
544 | I.e. (x & INTMASK) == XUINT (make_number (x)). */ | |
545 | # define INTMASK ((((EMACS_INT) 1) << VALBITS) - 1) | |
546 | #endif | |
dc8e8b07 | 547 | |
987c9327 AS |
548 | /* Value is non-zero if I doesn't fit into a Lisp fixnum. It is |
549 | written this way so that it also works if I is of unsigned | |
550 | type. */ | |
dc8e8b07 GM |
551 | |
552 | #define FIXNUM_OVERFLOW_P(i) \ | |
7b792fc9 | 553 | ((i) > MOST_POSITIVE_FIXNUM \ |
987c9327 | 554 | || ((i) < 0 && (i) < MOST_NEGATIVE_FIXNUM)) |
dc8e8b07 | 555 | |
99a3d506 | 556 | /* Extract a value or address from a Lisp_Object. */ |
3cfe6dfd | 557 | |
2706ceb6 SM |
558 | #define XCONS(a) (eassert (CONSP(a)),(struct Lisp_Cons *) XPNTR(a)) |
559 | #define XVECTOR(a) (eassert (VECTORLIKEP(a)),(struct Lisp_Vector *) XPNTR(a)) | |
560 | #define XSTRING(a) (eassert (STRINGP(a)),(struct Lisp_String *) XPNTR(a)) | |
561 | #define XSYMBOL(a) (eassert (SYMBOLP(a)),(struct Lisp_Symbol *) XPNTR(a)) | |
562 | #define XFLOAT(a) (eassert (FLOATP(a)),(struct Lisp_Float *) XPNTR(a)) | |
7c06ac2b RS |
563 | |
564 | /* Misc types. */ | |
c9f6631c | 565 | |
7c06ac2b | 566 | #define XMISC(a) ((union Lisp_Misc *) XPNTR(a)) |
19fa82b9 | 567 | #define XMISCANY(a) (eassert (MISCP (a)), &(XMISC(a)->u_any)) |
67ee9f6e | 568 | #define XMISCTYPE(a) (XMISCANY (a)->type) |
19fa82b9 | 569 | #define XMARKER(a) (eassert (MARKERP (a)), &(XMISC(a)->u_marker)) |
19fa82b9 SM |
570 | #define XOVERLAY(a) (eassert (OVERLAYP (a)), &(XMISC(a)->u_overlay)) |
571 | #define XSAVE_VALUE(a) (eassert (SAVE_VALUEP (a)), &(XMISC(a)->u_save_value)) | |
ce5b453a SM |
572 | |
573 | /* Forwarding object types. */ | |
574 | ||
575 | #define XFWDTYPE(a) (a->u_intfwd.type) | |
576 | #define XINTFWD(a) (eassert (INTFWDP (a)), &((a)->u_intfwd)) | |
577 | #define XBOOLFWD(a) (eassert (BOOLFWDP (a)), &((a)->u_boolfwd)) | |
578 | #define XOBJFWD(a) (eassert (OBJFWDP (a)), &((a)->u_objfwd)) | |
19fa82b9 | 579 | #define XBUFFER_OBJFWD(a) \ |
ce5b453a | 580 | (eassert (BUFFER_OBJFWDP (a)), &((a)->u_buffer_objfwd)) |
19fa82b9 | 581 | #define XKBOARD_OBJFWD(a) \ |
ce5b453a | 582 | (eassert (KBOARD_OBJFWDP (a)), &((a)->u_kboard_objfwd)) |
3cfe6dfd | 583 | |
7c06ac2b | 584 | /* Pseudovector types. */ |
c9f6631c | 585 | |
2706ceb6 SM |
586 | #define XPROCESS(a) (eassert (PROCESSP(a)),(struct Lisp_Process *) XPNTR(a)) |
587 | #define XWINDOW(a) (eassert (WINDOWP(a)),(struct window *) XPNTR(a)) | |
c73bd236 | 588 | #define XTERMINAL(a) (eassert (TERMINALP(a)),(struct terminal *) XPNTR(a)) |
2706ceb6 SM |
589 | #define XSUBR(a) (eassert (SUBRP(a)),(struct Lisp_Subr *) XPNTR(a)) |
590 | #define XBUFFER(a) (eassert (BUFFERP(a)),(struct buffer *) XPNTR(a)) | |
c73bd236 MB |
591 | #define XCHAR_TABLE(a) (eassert (CHAR_TABLE_P (a)), (struct Lisp_Char_Table *) XPNTR(a)) |
592 | #define XSUB_CHAR_TABLE(a) (eassert (SUB_CHAR_TABLE_P (a)), (struct Lisp_Sub_Char_Table *) XPNTR(a)) | |
593 | #define XBOOL_VECTOR(a) (eassert (BOOL_VECTOR_P (a)), (struct Lisp_Bool_Vector *) XPNTR(a)) | |
99a3d506 | 594 | |
99a3d506 | 595 | /* Construct a Lisp_Object from a value or address. */ |
7c06ac2b | 596 | |
a84f89d5 | 597 | #define XSETINT(a, b) (a) = make_number (b) |
a94ef819 | 598 | #define XSETCONS(a, b) XSET (a, Lisp_Cons, b) |
b5088f80 | 599 | #define XSETVECTOR(a, b) XSET (a, Lisp_Vectorlike, b) |
a94ef819 KH |
600 | #define XSETSTRING(a, b) XSET (a, Lisp_String, b) |
601 | #define XSETSYMBOL(a, b) XSET (a, Lisp_Symbol, b) | |
a94ef819 | 602 | #define XSETFLOAT(a, b) XSET (a, Lisp_Float, b) |
7c06ac2b RS |
603 | |
604 | /* Misc types. */ | |
c9f6631c | 605 | |
7c06ac2b | 606 | #define XSETMISC(a, b) XSET (a, Lisp_Misc, b) |
a7aa28f6 | 607 | #define XSETMARKER(a, b) (XSETMISC (a, b), XMISCTYPE (a) = Lisp_Misc_Marker) |
7c06ac2b RS |
608 | |
609 | /* Pseudovector types. */ | |
c9f6631c | 610 | |
539b8c1c | 611 | #define XSETPVECTYPE(v,code) ((v)->size |= PSEUDOVECTOR_FLAG | (code)) |
7c06ac2b | 612 | #define XSETPSEUDOVECTOR(a, b, code) \ |
beb9f745 SM |
613 | (XSETVECTOR (a, b), \ |
614 | eassert ((XVECTOR (a)->size & (PSEUDOVECTOR_FLAG | PVEC_TYPE_MASK)) \ | |
615 | == (PSEUDOVECTOR_FLAG | (code)))) | |
7c06ac2b RS |
616 | #define XSETWINDOW_CONFIGURATION(a, b) \ |
617 | (XSETPSEUDOVECTOR (a, b, PVEC_WINDOW_CONFIGURATION)) | |
618 | #define XSETPROCESS(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_PROCESS)) | |
619 | #define XSETWINDOW(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_WINDOW)) | |
49e49fb5 | 620 | #define XSETTERMINAL(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_TERMINAL)) |
7c06ac2b RS |
621 | #define XSETSUBR(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_SUBR)) |
622 | #define XSETCOMPILED(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_COMPILED)) | |
99a3d506 | 623 | #define XSETBUFFER(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_BUFFER)) |
608ff985 RS |
624 | #define XSETCHAR_TABLE(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_CHAR_TABLE)) |
625 | #define XSETBOOL_VECTOR(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_BOOL_VECTOR)) | |
1842abb2 | 626 | #define XSETSUB_CHAR_TABLE(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_SUB_CHAR_TABLE)) |
c9f6631c GM |
627 | |
628 | /* Convenience macros for dealing with Lisp arrays. */ | |
629 | ||
915b2a6a | 630 | #define AREF(ARRAY, IDX) XVECTOR ((ARRAY))->contents[IDX] |
c9f6631c | 631 | #define ASIZE(ARRAY) XVECTOR ((ARRAY))->size |
915b2a6a | 632 | /* The IDX==IDX tries to detect when the macro argument is side-effecting. */ |
4b75ffab SM |
633 | #define ASET(ARRAY, IDX, VAL) \ |
634 | (eassert ((IDX) == (IDX)), \ | |
635 | eassert ((IDX) >= 0 && (IDX) < ASIZE (ARRAY)), \ | |
915b2a6a | 636 | AREF ((ARRAY), (IDX)) = (VAL)) |
c9f6631c | 637 | |
d90a14e0 GM |
638 | /* Convenience macros for dealing with Lisp strings. */ |
639 | ||
674537ea | 640 | #define SDATA(string) (XSTRING (string)->data + 0) |
b9466edb SM |
641 | #define SREF(string, index) (SDATA (string)[index] + 0) |
642 | #define SSET(string, index, new) (SDATA (string)[index] = (new)) | |
7412b6fd KR |
643 | #define SCHARS(string) (XSTRING (string)->size + 0) |
644 | #define SBYTES(string) (STRING_BYTES (XSTRING (string)) + 0) | |
645 | ||
646 | #define STRING_SET_CHARS(string, newsize) \ | |
647 | (XSTRING (string)->size = (newsize)) | |
d90a14e0 | 648 | |
101d50c8 | 649 | #define STRING_COPYIN(string, index, new, count) \ |
72af86bd | 650 | memcpy (SDATA (string) + index, new, count) |
101d50c8 | 651 | |
c8a39089 KS |
652 | /* Type checking. */ |
653 | ||
654 | #define CHECK_TYPE(ok, Qxxxp, x) \ | |
655 | do { if (!(ok)) wrong_type_argument (Qxxxp, (x)); } while (0) | |
656 | ||
657 | ||
3cfe6dfd | 658 | \f |
5f6bf5fe | 659 | /* See the macros in intervals.h. */ |
e221eae3 JA |
660 | |
661 | typedef struct interval *INTERVAL; | |
662 | ||
663 | /* Complain if object is not string or buffer type */ | |
874cc80e | 664 | #define CHECK_STRING_OR_BUFFER(x) \ |
c8a39089 KS |
665 | CHECK_TYPE (STRINGP (x) || BUFFERP (x), Qbuffer_or_string_p, x) |
666 | ||
e221eae3 | 667 | \f |
3cfe6dfd JB |
668 | /* In a cons, the markbit of the car is the gc mark bit */ |
669 | ||
670 | struct Lisp_Cons | |
671 | { | |
8f34f70a KR |
672 | /* Please do not use the names of these elements in code other |
673 | than the core lisp implementation. Use XCAR and XCDR below. */ | |
674 | #ifdef HIDE_LISP_IMPLEMENTATION | |
3a623fee AS |
675 | Lisp_Object car_; |
676 | union | |
677 | { | |
678 | Lisp_Object cdr_; | |
679 | struct Lisp_Cons *chain; | |
680 | } u; | |
8f34f70a | 681 | #else |
3a623fee AS |
682 | Lisp_Object car; |
683 | union | |
684 | { | |
685 | Lisp_Object cdr; | |
686 | struct Lisp_Cons *chain; | |
687 | } u; | |
8f34f70a | 688 | #endif |
3cfe6dfd JB |
689 | }; |
690 | ||
b7acde90 | 691 | /* Take the car or cdr of something known to be a cons cell. */ |
f3fbd155 KR |
692 | /* The _AS_LVALUE macros shouldn't be used outside of the minimal set |
693 | of code that has to know what a cons cell looks like. Other code not | |
694 | part of the basic lisp implementation should assume that the car and cdr | |
695 | fields are not accessible as lvalues. (What if we want to switch to | |
696 | a copying collector someday? Cached cons cell field addresses may be | |
697 | invalidated at arbitrary points.) */ | |
8f34f70a | 698 | #ifdef HIDE_LISP_IMPLEMENTATION |
f3fbd155 | 699 | #define XCAR_AS_LVALUE(c) (XCONS ((c))->car_) |
3a623fee | 700 | #define XCDR_AS_LVALUE(c) (XCONS ((c))->u.cdr_) |
8f34f70a | 701 | #else |
f3fbd155 | 702 | #define XCAR_AS_LVALUE(c) (XCONS ((c))->car) |
3a623fee | 703 | #define XCDR_AS_LVALUE(c) (XCONS ((c))->u.cdr) |
8f34f70a | 704 | #endif |
b7acde90 | 705 | |
f3fbd155 KR |
706 | /* Use these from normal code. */ |
707 | #define XCAR(c) LISP_MAKE_RVALUE(XCAR_AS_LVALUE(c)) | |
708 | #define XCDR(c) LISP_MAKE_RVALUE(XCDR_AS_LVALUE(c)) | |
709 | ||
710 | /* Use these to set the fields of a cons cell. | |
711 | ||
712 | Note that both arguments may refer to the same object, so 'n' | |
713 | should not be read after 'c' is first modified. Also, neither | |
714 | argument should be evaluated more than once; side effects are | |
715 | especially common in the second argument. */ | |
716 | #define XSETCAR(c,n) (XCAR_AS_LVALUE(c) = (n)) | |
717 | #define XSETCDR(c,n) (XCDR_AS_LVALUE(c) = (n)) | |
718 | ||
b7acde90 KH |
719 | /* Take the car or cdr of something whose type is not known. */ |
720 | #define CAR(c) \ | |
721 | (CONSP ((c)) ? XCAR ((c)) \ | |
722 | : NILP ((c)) ? Qnil \ | |
915b2a6a | 723 | : wrong_type_argument (Qlistp, (c))) |
b7acde90 KH |
724 | |
725 | #define CDR(c) \ | |
726 | (CONSP ((c)) ? XCDR ((c)) \ | |
727 | : NILP ((c)) ? Qnil \ | |
915b2a6a | 728 | : wrong_type_argument (Qlistp, (c))) |
b7acde90 | 729 | |
c8a39089 KS |
730 | /* Take the car or cdr of something whose type is not known. */ |
731 | #define CAR_SAFE(c) \ | |
732 | (CONSP ((c)) ? XCAR ((c)) : Qnil) | |
733 | ||
734 | #define CDR_SAFE(c) \ | |
735 | (CONSP ((c)) ? XCDR ((c)) : Qnil) | |
736 | ||
d8fc7ce4 KH |
737 | /* Nonzero if STR is a multibyte string. */ |
738 | #define STRING_MULTIBYTE(STR) \ | |
739 | (XSTRING (STR)->size_byte >= 0) | |
740 | ||
741 | /* Return the length in bytes of STR. */ | |
35f464a7 GM |
742 | |
743 | #ifdef GC_CHECK_STRING_BYTES | |
744 | ||
745 | struct Lisp_String; | |
383e0970 | 746 | extern int string_bytes (struct Lisp_String *); |
35f464a7 GM |
747 | #define STRING_BYTES(S) string_bytes ((S)) |
748 | ||
749 | #else /* not GC_CHECK_STRING_BYTES */ | |
750 | ||
d8fc7ce4 KH |
751 | #define STRING_BYTES(STR) \ |
752 | ((STR)->size_byte < 0 ? (STR)->size : (STR)->size_byte) | |
753 | ||
35f464a7 GM |
754 | #endif /* not GC_CHECK_STRING_BYTES */ |
755 | ||
491c2516 | 756 | /* Mark STR as a unibyte string. */ |
2c668b9a JB |
757 | #define STRING_SET_UNIBYTE(STR) \ |
758 | do { if (EQ (STR, empty_multibyte_string)) \ | |
759 | (STR) = empty_unibyte_string; \ | |
760 | else XSTRING (STR)->size_byte = -1; } while (0) | |
491c2516 | 761 | |
94ef4d69 KH |
762 | /* Mark STR as a multibyte string. Assure that STR contains only |
763 | ASCII characters in advance. */ | |
764 | #define STRING_SET_MULTIBYTE(STR) \ | |
765 | do { if (EQ (STR, empty_unibyte_string)) \ | |
766 | (STR) = empty_multibyte_string; \ | |
767 | else XSTRING (STR)->size_byte = XSTRING (STR)->size; } while (0) | |
768 | ||
491c2516 | 769 | /* Get text properties. */ |
90b81429 KR |
770 | #define STRING_INTERVALS(STR) (XSTRING (STR)->intervals + 0) |
771 | ||
772 | /* Set text properties. */ | |
773 | #define STRING_SET_INTERVALS(STR, INT) (XSTRING (STR)->intervals = (INT)) | |
d8fc7ce4 | 774 | |
3cfe6dfd JB |
775 | /* In a string or vector, the sign bit of the `size' is the gc mark bit */ |
776 | ||
777 | struct Lisp_String | |
778 | { | |
627a9502 | 779 | EMACS_INT size; |
a1b5012f | 780 | EMACS_INT size_byte; |
4618074a | 781 | INTERVAL intervals; /* text properties in this string */ |
f05d7ea2 | 782 | unsigned char *data; |
3cfe6dfd JB |
783 | }; |
784 | ||
d0ebe33a SM |
785 | #ifdef offsetof |
786 | #define OFFSETOF(type,field) offsetof(type,field) | |
787 | #else | |
788 | #define OFFSETOF(type,field) \ | |
789 | ((int)((char*)&((type*)0)->field - (char*)0)) | |
790 | #endif | |
94225242 | 791 | |
3cfe6dfd JB |
792 | struct Lisp_Vector |
793 | { | |
d0fdb6da | 794 | EMACS_UINT size; |
3cfe6dfd JB |
795 | struct Lisp_Vector *next; |
796 | Lisp_Object contents[1]; | |
797 | }; | |
798 | ||
94225242 | 799 | /* If a struct is made to look like a vector, this macro returns the length |
4115d3f7 | 800 | of the shortest vector that would hold that struct. */ |
4bb7141c AS |
801 | #define VECSIZE(type) ((sizeof (type) \ |
802 | - OFFSETOF (struct Lisp_Vector, contents[0]) \ | |
803 | + sizeof(Lisp_Object) - 1) /* round up */ \ | |
94225242 KH |
804 | / sizeof (Lisp_Object)) |
805 | ||
d0ebe33a SM |
806 | /* Like VECSIZE, but used when the pseudo-vector has non-Lisp_Object fields |
807 | at the end and we need to compute the number of Lisp_Object fields (the | |
808 | ones that the GC needs to trace). */ | |
809 | #define PSEUDOVECSIZE(type, nonlispfield) \ | |
7e773529 | 810 | ((OFFSETOF(type, nonlispfield) - OFFSETOF(struct Lisp_Vector, contents[0])) \ |
d0ebe33a SM |
811 | / sizeof (Lisp_Object)) |
812 | ||
1842abb2 | 813 | /* A char-table is a kind of vectorlike, with contents are like a |
ea724a01 | 814 | vector but with a few other slots. For some purposes, it makes |
1842abb2 | 815 | sense to handle a char-table with type struct Lisp_Vector. An |
ea724a01 KH |
816 | element of a char table can be any Lisp objects, but if it is a sub |
817 | char-table, we treat it a table that contains information of a | |
1842abb2 KH |
818 | specific range of characters. A sub char-table has the same |
819 | structure as a vector. A sub char table appears only in an element | |
820 | of a char-table, and there's no way to access it directly from | |
821 | Emacs Lisp program. */ | |
608ff985 | 822 | |
ea724a01 KH |
823 | /* This is the number of slots that every char table must have. This |
824 | counts the ordinary slots and the top, defalt, parent, and purpose | |
825 | slots. */ | |
1842abb2 | 826 | #define CHAR_TABLE_STANDARD_SLOTS (VECSIZE (struct Lisp_Char_Table) - 1) |
608ff985 RS |
827 | |
828 | /* Return the number of "extra" slots in the char table CT. */ | |
829 | ||
830 | #define CHAR_TABLE_EXTRA_SLOTS(CT) \ | |
831 | (((CT)->size & PSEUDOVECTOR_SIZE_MASK) - CHAR_TABLE_STANDARD_SLOTS) | |
832 | ||
d9da2f45 KH |
833 | #ifdef __GNUC__ |
834 | ||
835 | #define CHAR_TABLE_REF_ASCII(CT, IDX) \ | |
836 | ({struct Lisp_Char_Table *_tbl = NULL; \ | |
837 | Lisp_Object _val; \ | |
838 | do { \ | |
839 | _tbl = _tbl ? XCHAR_TABLE (_tbl->parent) : XCHAR_TABLE (CT); \ | |
840 | _val = (! SUB_CHAR_TABLE_P (_tbl->ascii) ? _tbl->ascii \ | |
841 | : XSUB_CHAR_TABLE (_tbl->ascii)->contents[IDX]); \ | |
842 | if (NILP (_val)) \ | |
843 | _val = _tbl->defalt; \ | |
844 | } while (NILP (_val) && ! NILP (_tbl->parent)); \ | |
845 | _val; }) | |
c5c21b70 | 846 | |
d9da2f45 KH |
847 | #else /* not __GNUC__ */ |
848 | ||
849 | #define CHAR_TABLE_REF_ASCII(CT, IDX) \ | |
850 | (! NILP (XCHAR_TABLE (CT)->ascii) \ | |
851 | ? (! SUB_CHAR_TABLE_P (XCHAR_TABLE (CT)->ascii) \ | |
852 | ? XCHAR_TABLE (CT)->ascii \ | |
853 | : ! NILP (XSUB_CHAR_TABLE (XCHAR_TABLE (CT)->ascii)->contents[IDX]) \ | |
854 | ? XSUB_CHAR_TABLE (XCHAR_TABLE (CT)->ascii)->contents[IDX] \ | |
855 | : char_table_ref ((CT), (IDX))) \ | |
856 | : char_table_ref ((CT), (IDX))) | |
857 | ||
858 | #endif /* not __GNUC__ */ | |
859 | ||
b96656ce | 860 | /* Almost equivalent to Faref (CT, IDX) with optimization for ASCII |
1842abb2 | 861 | characters. Do not check validity of CT. */ |
d9da2f45 KH |
862 | #define CHAR_TABLE_REF(CT, IDX) \ |
863 | (ASCII_CHAR_P (IDX) ? CHAR_TABLE_REF_ASCII ((CT), (IDX)) \ | |
1842abb2 | 864 | : char_table_ref ((CT), (IDX))) |
b96656ce | 865 | |
dcafe1c7 KH |
866 | /* Almost equivalent to Faref (CT, IDX). However, if the result is |
867 | not a character, return IDX. | |
29b7163f RS |
868 | |
869 | For these characters, do not check validity of CT | |
870 | and do not follow parent. */ | |
1842abb2 KH |
871 | #define CHAR_TABLE_TRANSLATE(CT, IDX) \ |
872 | char_table_translate (CT, IDX) | |
29b7163f | 873 | |
b96656ce | 874 | /* Equivalent to Faset (CT, IDX, VAL) with optimization for ASCII and |
c497dce4 | 875 | 8-bit European characters. Do not check validity of CT. */ |
1842abb2 KH |
876 | #define CHAR_TABLE_SET(CT, IDX, VAL) \ |
877 | (((IDX) >= 0 && ASCII_CHAR_P (IDX) \ | |
878 | && SUB_CHAR_TABLE_P (XCHAR_TABLE (CT)->ascii)) \ | |
879 | ? XSUB_CHAR_TABLE (XCHAR_TABLE (CT)->ascii)->contents[IDX] = VAL \ | |
880 | : char_table_set (CT, IDX, VAL)) | |
881 | ||
1842abb2 KH |
882 | #define CHARTAB_SIZE_BITS_0 6 |
883 | #define CHARTAB_SIZE_BITS_1 4 | |
884 | #define CHARTAB_SIZE_BITS_2 5 | |
885 | #define CHARTAB_SIZE_BITS_3 7 | |
886 | ||
887 | extern const int chartab_size[4]; | |
888 | ||
889 | struct Lisp_Sub_Char_Table; | |
b96656ce | 890 | |
608ff985 RS |
891 | struct Lisp_Char_Table |
892 | { | |
893 | /* This is the vector's size field, which also holds the | |
894 | pseudovector type information. It holds the size, too. | |
c73bd236 MB |
895 | The size counts the defalt, parent, purpose, ascii, |
896 | contents, and extras slots. */ | |
d0fdb6da | 897 | EMACS_UINT size; |
608ff985 | 898 | struct Lisp_Vector *next; |
1842abb2 | 899 | |
608ff985 RS |
900 | /* This holds a default value, |
901 | which is used whenever the value for a specific character is nil. */ | |
902 | Lisp_Object defalt; | |
ea724a01 | 903 | |
8f924df7 KH |
904 | /* This points to another char table, which we inherit from when the |
905 | value for a specific character is nil. The `defalt' slot takes | |
906 | precedence over this. */ | |
608ff985 | 907 | Lisp_Object parent; |
1842abb2 | 908 | |
8f924df7 KH |
909 | /* This is a symbol which says what kind of use this char-table is |
910 | meant for. */ | |
7f73dc9d | 911 | Lisp_Object purpose; |
1842abb2 | 912 | |
8f924df7 KH |
913 | /* The bottom sub char-table for characters of the range 0..127. It |
914 | is nil if none of ASCII character has a specific value. */ | |
915 | Lisp_Object ascii; | |
1842abb2 | 916 | |
8f924df7 | 917 | Lisp_Object contents[(1 << CHARTAB_SIZE_BITS_0)]; |
1842abb2 | 918 | |
8f924df7 | 919 | /* These hold additional data. It is a vector. */ |
608ff985 RS |
920 | Lisp_Object extras[1]; |
921 | }; | |
922 | ||
1842abb2 | 923 | struct Lisp_Sub_Char_Table |
8f924df7 KH |
924 | { |
925 | /* This is the vector's size field, which also holds the | |
926 | pseudovector type information. It holds the size, too. */ | |
927 | EMACS_INT size; | |
928 | struct Lisp_Vector *next; | |
1842abb2 | 929 | |
8f924df7 | 930 | /* Depth of this sub char-table. It should be 1, 2, or 3. A sub |
78edd3b7 | 931 | char-table of depth 1 contains 16 elements, and each element |
8f924df7 KH |
932 | covers 4096 (128*32) characters. A sub char-table of depth 2 |
933 | contains 32 elements, and each element covers 128 characters. A | |
934 | sub char-table of depth 3 contains 128 elements, and each element | |
935 | is for one character. */ | |
936 | Lisp_Object depth; | |
1842abb2 | 937 | |
8f924df7 KH |
938 | /* Minimum character covered by the sub char-table. */ |
939 | Lisp_Object min_char; | |
1842abb2 | 940 | |
8f924df7 KH |
941 | Lisp_Object contents[1]; |
942 | }; | |
608ff985 RS |
943 | |
944 | /* A boolvector is a kind of vectorlike, with contents are like a string. */ | |
945 | struct Lisp_Bool_Vector | |
946 | { | |
947 | /* This is the vector's size field. It doesn't have the real size, | |
948 | just the subtype information. */ | |
d0fdb6da | 949 | EMACS_UINT vector_size; |
608ff985 RS |
950 | struct Lisp_Vector *next; |
951 | /* This is the size in bits. */ | |
d0fdb6da | 952 | EMACS_UINT size; |
608ff985 RS |
953 | /* This contains the actual bits, packed into bytes. */ |
954 | unsigned char data[1]; | |
955 | }; | |
956 | ||
7c06ac2b RS |
957 | /* This structure describes a built-in function. |
958 | It is generated by the DEFUN macro only. | |
959 | defsubr makes it into a Lisp object. | |
960 | ||
961 | This type is treated in most respects as a pseudovector, | |
962 | but since we never dynamically allocate or free them, | |
963 | we don't need a next-vector field. */ | |
e98227af | 964 | |
3cfe6dfd JB |
965 | struct Lisp_Subr |
966 | { | |
d0fdb6da | 967 | EMACS_UINT size; |
c0f2f16b DN |
968 | union { |
969 | Lisp_Object (*a0) (void); | |
970 | Lisp_Object (*a1) (Lisp_Object); | |
971 | Lisp_Object (*a2) (Lisp_Object, Lisp_Object); | |
972 | Lisp_Object (*a3) (Lisp_Object, Lisp_Object, Lisp_Object); | |
973 | Lisp_Object (*a4) (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object); | |
974 | Lisp_Object (*a5) (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object); | |
975 | Lisp_Object (*a6) (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object); | |
976 | Lisp_Object (*a7) (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object); | |
977 | Lisp_Object (*a8) (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object); | |
978 | Lisp_Object (*am) (int, Lisp_Object *); | |
979 | } function; | |
3cfe6dfd | 980 | short min_args, max_args; |
5e2327cf | 981 | const char *symbol_name; |
4bca9161 | 982 | char *intspec; |
3cfe6dfd JB |
983 | char *doc; |
984 | }; | |
5010d3b8 GM |
985 | |
986 | \f | |
a32fa736 GM |
987 | /*********************************************************************** |
988 | Symbols | |
989 | ***********************************************************************/ | |
990 | ||
991 | /* Interned state of a symbol. */ | |
992 | ||
993 | enum symbol_interned | |
994 | { | |
995 | SYMBOL_UNINTERNED = 0, | |
996 | SYMBOL_INTERNED = 1, | |
997 | SYMBOL_INTERNED_IN_INITIAL_OBARRAY = 2 | |
998 | }; | |
999 | ||
ce5b453a SM |
1000 | enum symbol_redirect |
1001 | { | |
1002 | SYMBOL_PLAINVAL = 4, | |
1003 | SYMBOL_VARALIAS = 1, | |
1004 | SYMBOL_LOCALIZED = 2, | |
1005 | SYMBOL_FORWARDED = 3 | |
1006 | }; | |
1007 | ||
a32fa736 GM |
1008 | /* In a symbol, the markbit of the plist is used as the gc mark bit */ |
1009 | ||
1010 | struct Lisp_Symbol | |
1011 | { | |
a84f89d5 SM |
1012 | unsigned gcmarkbit : 1; |
1013 | ||
ce5b453a SM |
1014 | /* Indicates where the value can be found: |
1015 | 0 : it's a plain var, the value is in the `value' field. | |
1016 | 1 : it's a varalias, the value is really in the `alias' symbol. | |
1017 | 2 : it's a localized var, the value is in the `blv' object. | |
1018 | 3 : it's a forwarding variable, the value is in `forward'. | |
1019 | */ | |
1020 | enum symbol_redirect redirect : 3; | |
a32fa736 GM |
1021 | |
1022 | /* Non-zero means symbol is constant, i.e. changing its value | |
ce5b453a SM |
1023 | should signal an error. If the value is 3, then the var |
1024 | can be changed, but only by `defconst'. */ | |
1025 | unsigned constant : 2; | |
a32fa736 GM |
1026 | |
1027 | /* Interned state of the symbol. This is an enumerator from | |
1028 | enum symbol_interned. */ | |
1029 | unsigned interned : 2; | |
1030 | ||
74d70085 KR |
1031 | /* The symbol's name, as a Lisp string. |
1032 | ||
1033 | The name "xname" is used to intentionally break code referring to | |
1034 | the old field "name" of type pointer to struct Lisp_String. */ | |
1035 | Lisp_Object xname; | |
a32fa736 GM |
1036 | |
1037 | /* Value of the symbol or Qunbound if unbound. If this symbol is a | |
ce5b453a | 1038 | defvaralias, `alias' contains the symbol for which it is an |
a32fa736 GM |
1039 | alias. Use the SYMBOL_VALUE and SET_SYMBOL_VALUE macros to get |
1040 | and set a symbol's value, to take defvaralias into account. */ | |
ce5b453a SM |
1041 | union { |
1042 | Lisp_Object value; | |
1043 | struct Lisp_Symbol *alias; | |
1044 | struct Lisp_Buffer_Local_Value *blv; | |
1045 | union Lisp_Fwd *fwd; | |
1046 | } val; | |
a32fa736 | 1047 | |
d28981c9 | 1048 | /* Function value of the symbol or Qunbound if not fboundp. */ |
a32fa736 GM |
1049 | Lisp_Object function; |
1050 | ||
1051 | /* The symbol's property list. */ | |
1052 | Lisp_Object plist; | |
e2c0561e | 1053 | |
a32fa736 GM |
1054 | /* Next symbol in obarray bucket, if the symbol is interned. */ |
1055 | struct Lisp_Symbol *next; | |
1056 | }; | |
1057 | ||
74d70085 KR |
1058 | /* Value is name of symbol. */ |
1059 | ||
ce5b453a SM |
1060 | #define SYMBOL_VAL(sym) \ |
1061 | (eassert ((sym)->redirect == SYMBOL_PLAINVAL), (sym)->val.value) | |
1062 | #define SYMBOL_ALIAS(sym) \ | |
1063 | (eassert ((sym)->redirect == SYMBOL_VARALIAS), (sym)->val.alias) | |
1064 | #define SYMBOL_BLV(sym) \ | |
1065 | (eassert ((sym)->redirect == SYMBOL_LOCALIZED), (sym)->val.blv) | |
1066 | #define SYMBOL_FWD(sym) \ | |
1067 | (eassert ((sym)->redirect == SYMBOL_FORWARDED), (sym)->val.fwd) | |
1068 | #define SET_SYMBOL_VAL(sym, v) \ | |
1069 | (eassert ((sym)->redirect == SYMBOL_PLAINVAL), (sym)->val.value = (v)) | |
1070 | #define SET_SYMBOL_ALIAS(sym, v) \ | |
1071 | (eassert ((sym)->redirect == SYMBOL_VARALIAS), (sym)->val.alias = (v)) | |
1072 | #define SET_SYMBOL_BLV(sym, v) \ | |
1073 | (eassert ((sym)->redirect == SYMBOL_LOCALIZED), (sym)->val.blv = (v)) | |
1074 | #define SET_SYMBOL_FWD(sym, v) \ | |
1075 | (eassert ((sym)->redirect == SYMBOL_FORWARDED), (sym)->val.fwd = (v)) | |
1076 | ||
74d70085 KR |
1077 | #define SYMBOL_NAME(sym) \ |
1078 | LISP_MAKE_RVALUE (XSYMBOL (sym)->xname) | |
1079 | ||
a32fa736 GM |
1080 | /* Value is non-zero if SYM is an interned symbol. */ |
1081 | ||
1082 | #define SYMBOL_INTERNED_P(sym) \ | |
1083 | (XSYMBOL (sym)->interned != SYMBOL_UNINTERNED) | |
1084 | ||
1085 | /* Value is non-zero if SYM is interned in initial_obarray. */ | |
1086 | ||
1087 | #define SYMBOL_INTERNED_IN_INITIAL_OBARRAY_P(sym) \ | |
1088 | (XSYMBOL (sym)->interned == SYMBOL_INTERNED_IN_INITIAL_OBARRAY) | |
1089 | ||
1090 | /* Value is non-zero if symbol is considered a constant, i.e. its | |
1091 | value cannot be changed (there is an exception for keyword symbols, | |
1092 | whose value can be set to the keyword symbol itself). */ | |
1093 | ||
1094 | #define SYMBOL_CONSTANT_P(sym) XSYMBOL (sym)->constant | |
1095 | ||
a32fa736 | 1096 | \f |
5010d3b8 GM |
1097 | /*********************************************************************** |
1098 | Hash Tables | |
1099 | ***********************************************************************/ | |
1100 | ||
1101 | /* The structure of a Lisp hash table. */ | |
1102 | ||
1103 | struct Lisp_Hash_Table | |
1104 | { | |
1105 | /* Vector fields. The hash table code doesn't refer to these. */ | |
d0fdb6da | 1106 | EMACS_UINT size; |
5010d3b8 | 1107 | struct Lisp_Vector *vec_next; |
e2c0561e | 1108 | |
5010d3b8 GM |
1109 | /* Function used to compare keys. */ |
1110 | Lisp_Object test; | |
1111 | ||
1112 | /* Nil if table is non-weak. Otherwise a symbol describing the | |
1113 | weakness of the table. */ | |
1114 | Lisp_Object weak; | |
e2c0561e | 1115 | |
5010d3b8 GM |
1116 | /* When the table is resized, and this is an integer, compute the |
1117 | new size by adding this to the old size. If a float, compute the | |
1118 | new size by multiplying the old size with this factor. */ | |
1119 | Lisp_Object rehash_size; | |
1120 | ||
1121 | /* Resize hash table when number of entries/ table size is >= this | |
1122 | ratio, a float. */ | |
1123 | Lisp_Object rehash_threshold; | |
1124 | ||
5010d3b8 GM |
1125 | /* Vector of hash codes.. If hash[I] is nil, this means that that |
1126 | entry I is unused. */ | |
1127 | Lisp_Object hash; | |
1128 | ||
1129 | /* Vector used to chain entries. If entry I is free, next[I] is the | |
1130 | entry number of the next free item. If entry I is non-free, | |
1131 | next[I] is the index of the next entry in the collision chain. */ | |
1132 | Lisp_Object next; | |
1133 | ||
1134 | /* Index of first free entry in free list. */ | |
1135 | Lisp_Object next_free; | |
1136 | ||
1137 | /* Bucket vector. A non-nil entry is the index of the first item in | |
1138 | a collision chain. This vector's size can be larger than the | |
1139 | hash table size to reduce collisions. */ | |
1140 | Lisp_Object index; | |
1141 | ||
5010d3b8 GM |
1142 | /* User-supplied hash function, or nil. */ |
1143 | Lisp_Object user_hash_function; | |
1144 | ||
1145 | /* User-supplied key comparison function, or nil. */ | |
1146 | Lisp_Object user_cmp_function; | |
1147 | ||
878f97ff | 1148 | /* Only the fields above are traced normally by the GC. The ones below |
78edd3b7 | 1149 | `count' are special and are either ignored by the GC or traced in |
878f97ff SM |
1150 | a special way (e.g. because of weakness). */ |
1151 | ||
1152 | /* Number of key/value entries in the table. */ | |
1153 | unsigned int count; | |
1154 | ||
1155 | /* Vector of keys and values. The key of item I is found at index | |
1156 | 2 * I, the value is found at index 2 * I + 1. | |
1157 | This is gc_marked specially if the table is weak. */ | |
1158 | Lisp_Object key_and_value; | |
1159 | ||
6c661ec9 SM |
1160 | /* Next weak hash table if this is a weak hash table. The head |
1161 | of the list is in weak_hash_tables. */ | |
1162 | struct Lisp_Hash_Table *next_weak; | |
1163 | ||
5010d3b8 | 1164 | /* C function to compare two keys. */ |
383e0970 J |
1165 | int (* cmpfn) (struct Lisp_Hash_Table *, Lisp_Object, |
1166 | unsigned, Lisp_Object, unsigned); | |
5010d3b8 GM |
1167 | |
1168 | /* C function to compute hash code. */ | |
383e0970 | 1169 | unsigned (* hashfn) (struct Lisp_Hash_Table *, Lisp_Object); |
5010d3b8 GM |
1170 | }; |
1171 | ||
1172 | ||
1173 | #define XHASH_TABLE(OBJ) \ | |
1174 | ((struct Lisp_Hash_Table *) XPNTR (OBJ)) | |
1175 | ||
1176 | #define XSET_HASH_TABLE(VAR, PTR) \ | |
1177 | (XSETPSEUDOVECTOR (VAR, PTR, PVEC_HASH_TABLE)) | |
1178 | ||
1179 | #define HASH_TABLE_P(OBJ) PSEUDOVECTORP (OBJ, PVEC_HASH_TABLE) | |
5010d3b8 | 1180 | |
c8a39089 KS |
1181 | #define CHECK_HASH_TABLE(x) \ |
1182 | CHECK_TYPE (HASH_TABLE_P (x), Qhash_table_p, x) | |
5010d3b8 | 1183 | |
141788b5 SM |
1184 | /* Value is the key part of entry IDX in hash table H. */ |
1185 | ||
915b2a6a | 1186 | #define HASH_KEY(H, IDX) AREF ((H)->key_and_value, 2 * (IDX)) |
141788b5 SM |
1187 | |
1188 | /* Value is the value part of entry IDX in hash table H. */ | |
1189 | ||
915b2a6a | 1190 | #define HASH_VALUE(H, IDX) AREF ((H)->key_and_value, 2 * (IDX) + 1) |
141788b5 SM |
1191 | |
1192 | /* Value is the index of the next entry following the one at IDX | |
1193 | in hash table H. */ | |
1194 | ||
915b2a6a | 1195 | #define HASH_NEXT(H, IDX) AREF ((H)->next, (IDX)) |
141788b5 SM |
1196 | |
1197 | /* Value is the hash code computed for entry IDX in hash table H. */ | |
1198 | ||
915b2a6a | 1199 | #define HASH_HASH(H, IDX) AREF ((H)->hash, (IDX)) |
141788b5 SM |
1200 | |
1201 | /* Value is the index of the element in hash table H that is the | |
1202 | start of the collision list at index IDX in the index vector of H. */ | |
1203 | ||
915b2a6a | 1204 | #define HASH_INDEX(H, IDX) AREF ((H)->index, (IDX)) |
141788b5 SM |
1205 | |
1206 | /* Value is the size of hash table H. */ | |
1207 | ||
1208 | #define HASH_TABLE_SIZE(H) XVECTOR ((H)->next)->size | |
1209 | ||
5010d3b8 GM |
1210 | /* Default size for hash tables if not specified. */ |
1211 | ||
1212 | #define DEFAULT_HASH_SIZE 65 | |
1213 | ||
1214 | /* Default threshold specifying when to resize a hash table. The | |
1215 | value gives the ratio of current entries in the hash table and the | |
1216 | size of the hash table. */ | |
1217 | ||
1218 | #define DEFAULT_REHASH_THRESHOLD 0.8 | |
1219 | ||
1220 | /* Default factor by which to increase the size of a hash table. */ | |
1221 | ||
1222 | #define DEFAULT_REHASH_SIZE 1.5 | |
1223 | ||
ee4c9ce4 | 1224 | \f |
7c06ac2b RS |
1225 | /* These structures are used for various misc types. */ |
1226 | ||
67ee9f6e SM |
1227 | struct Lisp_Misc_Any /* Supertype of all Misc types. */ |
1228 | { | |
ce5b453a | 1229 | enum Lisp_Misc_Type type : 16; /* = Lisp_Misc_??? */ |
67ee9f6e SM |
1230 | unsigned gcmarkbit : 1; |
1231 | int spacer : 15; | |
ce5b453a SM |
1232 | /* Make it as long as "Lisp_Free without padding". */ |
1233 | void *fill; | |
67ee9f6e SM |
1234 | }; |
1235 | ||
3cfe6dfd | 1236 | struct Lisp_Marker |
308e97d0 | 1237 | { |
eac1939a | 1238 | enum Lisp_Misc_Type type : 16; /* = Lisp_Misc_Marker */ |
a84f89d5 | 1239 | unsigned gcmarkbit : 1; |
9bb13d08 KH |
1240 | int spacer : 13; |
1241 | /* This flag is temporarily used in the functions | |
1242 | decode/encode_coding_object to record that the marker position | |
1243 | must be adjusted after the conversion. */ | |
1244 | unsigned int need_adjustment : 1; | |
308e97d0 RS |
1245 | /* 1 means normal insertion at the marker's position |
1246 | leaves the marker after the inserted text. */ | |
1247 | unsigned int insertion_type : 1; | |
b9466edb SM |
1248 | /* This is the buffer that the marker points into, or 0 if it points nowhere. |
1249 | Note: a chain of markers can contain markers pointing into different | |
1250 | buffers (the chain is per buffer_text rather than per buffer, so it's | |
1251 | shared between indirect buffers). */ | |
1252 | /* This is used for (other than NULL-checking): | |
1253 | - Fmarker_buffer | |
1254 | - Fset_marker: check eq(oldbuf, newbuf) to avoid unchain+rechain. | |
1255 | - unchain_marker: to find the list from which to unchain. | |
ce5b453a | 1256 | - Fkill_buffer: to only unchain the markers of current indirect buffer. |
b9466edb | 1257 | */ |
308e97d0 | 1258 | struct buffer *buffer; |
4ed24bf3 RS |
1259 | |
1260 | /* The remaining fields are meaningless in a marker that | |
1261 | does not point anywhere. */ | |
1262 | ||
1263 | /* For markers that point somewhere, | |
1264 | this is used to chain of all the markers in a given buffer. */ | |
d6aa1876 SM |
1265 | /* We could remove it and use an array in buffer_text instead. |
1266 | That would also allow to preserve it ordered. */ | |
c0ac2f4a | 1267 | struct Lisp_Marker *next; |
4ed24bf3 | 1268 | /* This is the char position where the marker points. */ |
5f6bf5fe | 1269 | EMACS_INT charpos; |
ce5b453a SM |
1270 | /* This is the byte position. |
1271 | It's mostly used as a charpos<->bytepos cache (i.e. it's not directly | |
1272 | used to implement the functionality of markers, but rather to (ab)use | |
1273 | markers as a cache for char<->byte mappings). */ | |
5f6bf5fe | 1274 | EMACS_INT bytepos; |
308e97d0 | 1275 | }; |
3cfe6dfd | 1276 | |
ee4c9ce4 KH |
1277 | /* Forwarding pointer to an int variable. |
1278 | This is allowed only in the value cell of a symbol, | |
1279 | and it means that the symbol's value really lives in the | |
1280 | specified int variable. */ | |
1281 | struct Lisp_Intfwd | |
84d1833e | 1282 | { |
ce5b453a | 1283 | enum Lisp_Fwd_Type type; /* = Lisp_Fwd_Int */ |
31ade731 | 1284 | EMACS_INT *intvar; |
ee4c9ce4 KH |
1285 | }; |
1286 | ||
1287 | /* Boolean forwarding pointer to an int variable. | |
1288 | This is like Lisp_Intfwd except that the ostensible | |
1289 | "value" of the symbol is t if the int variable is nonzero, | |
1290 | nil if it is zero. */ | |
1291 | struct Lisp_Boolfwd | |
1292 | { | |
ce5b453a | 1293 | enum Lisp_Fwd_Type type; /* = Lisp_Fwd_Bool */ |
ee4c9ce4 KH |
1294 | int *boolvar; |
1295 | }; | |
1296 | ||
1297 | /* Forwarding pointer to a Lisp_Object variable. | |
1298 | This is allowed only in the value cell of a symbol, | |
1299 | and it means that the symbol's value really lives in the | |
1300 | specified variable. */ | |
1301 | struct Lisp_Objfwd | |
1302 | { | |
ce5b453a | 1303 | enum Lisp_Fwd_Type type; /* = Lisp_Fwd_Obj */ |
ee4c9ce4 KH |
1304 | Lisp_Object *objvar; |
1305 | }; | |
1306 | ||
1307 | /* Like Lisp_Objfwd except that value lives in a slot in the | |
1308 | current buffer. Value is byte index of slot within buffer. */ | |
1309 | struct Lisp_Buffer_Objfwd | |
1310 | { | |
ce5b453a | 1311 | enum Lisp_Fwd_Type type; /* = Lisp_Fwd_Buffer_Obj */ |
ee4c9ce4 | 1312 | int offset; |
ce5b453a | 1313 | Lisp_Object slottype; /* Qnil, Lisp_Int, Lisp_Symbol, or Lisp_String. */ |
84d1833e KH |
1314 | }; |
1315 | ||
65d0110b RS |
1316 | /* struct Lisp_Buffer_Local_Value is used in a symbol value cell when |
1317 | the symbol has buffer-local or frame-local bindings. (Exception: | |
1318 | some buffer-local variables are built-in, with their values stored | |
1319 | in the buffer structure itself. They are handled differently, | |
1320 | using struct Lisp_Buffer_Objfwd.) | |
1321 | ||
1322 | The `realvalue' slot holds the variable's current value, or a | |
1323 | forwarding pointer to where that value is kept. This value is the | |
1324 | one that corresponds to the loaded binding. To read or set the | |
1325 | variable, you must first make sure the right binding is loaded; | |
1326 | then you can access the value in (or through) `realvalue'. | |
e2c0561e | 1327 | |
65d0110b RS |
1328 | `buffer' and `frame' are the buffer and frame for which the loaded |
1329 | binding was found. If those have changed, to make sure the right | |
1330 | binding is loaded it is necessary to find which binding goes with | |
1331 | the current buffer and selected frame, then load it. To load it, | |
1332 | first unload the previous binding, then copy the value of the new | |
1333 | binding into `realvalue' (or through it). Also update | |
1334 | LOADED-BINDING to point to the newly loaded binding. | |
7d65f1c2 | 1335 | |
78edd3b7 JB |
1336 | `local_if_set' indicates that merely setting the variable creates a |
1337 | local binding for the current buffer. Otherwise the latter, setting | |
1338 | the variable does not do that; only make-local-variable does that. */ | |
65d0110b | 1339 | |
7d65f1c2 KH |
1340 | struct Lisp_Buffer_Local_Value |
1341 | { | |
67ee9f6e SM |
1342 | /* 1 means that merely setting the variable creates a local |
1343 | binding for the current buffer */ | |
1344 | unsigned int local_if_set : 1; | |
ce5b453a SM |
1345 | /* 1 means this variable can have frame-local bindings, otherwise, it is |
1346 | can have buffer-local bindings. The two cannot be combined. */ | |
1347 | unsigned int frame_local : 1; | |
1348 | /* 1 means that the binding now loaded was found. | |
1349 | Presumably equivalent to (defcell!=valcell) */ | |
1350 | unsigned int found : 1; | |
1351 | /* If non-NULL, a forwarding to the C var where it should also be set. */ | |
1352 | union Lisp_Fwd *fwd; /* Should never be (Buffer|Kboard)_Objfwd. */ | |
1353 | /* The buffer or frame for which the loaded binding was found. */ | |
1354 | Lisp_Object where; | |
1355 | /* A cons cell that holds the default value. It has the form | |
1356 | (SYMBOL . DEFAULT-VALUE). */ | |
1357 | Lisp_Object defcell; | |
1358 | /* The cons cell from `where's parameter alist. | |
1359 | It always has the form (SYMBOL . VALUE) | |
1360 | Note that if `forward' is non-nil, VALUE may be out of date. | |
1361 | Also if the currently loaded binding is the default binding, then | |
1362 | this is `eq'ual to defcell. */ | |
1363 | Lisp_Object valcell; | |
7d65f1c2 KH |
1364 | }; |
1365 | ||
ce5b453a SM |
1366 | #define BLV_FOUND(blv) \ |
1367 | (eassert ((blv)->found == !EQ ((blv)->defcell, (blv)->valcell)), (blv)->found) | |
1368 | #define SET_BLV_FOUND(blv, v) \ | |
1369 | (eassert ((v) == !EQ ((blv)->defcell, (blv)->valcell)), (blv)->found = (v)) | |
1370 | ||
1371 | #define BLV_VALUE(blv) (XCDR ((blv)->valcell)) | |
1372 | #define SET_BLV_VALUE(blv, v) (XSETCDR ((blv)->valcell, v)) | |
1373 | ||
5f6bf5fe | 1374 | /* START and END are markers in the overlay's buffer, and |
ce7d8eec KH |
1375 | PLIST is the overlay's property list. */ |
1376 | struct Lisp_Overlay | |
ce5b453a SM |
1377 | /* An overlay's real data content is: |
1378 | - plist | |
1379 | - buffer | |
1380 | - insertion type of both ends | |
1381 | - start & start_byte | |
1382 | - end & end_byte | |
1383 | - next (singly linked list of overlays). | |
1384 | - start_next and end_next (singly linked list of markers). | |
1385 | I.e. 9words plus 2 bits, 3words of which are for external linked lists. | |
1386 | */ | |
ce7d8eec | 1387 | { |
eac1939a | 1388 | enum Lisp_Misc_Type type : 16; /* = Lisp_Misc_Overlay */ |
a84f89d5 SM |
1389 | unsigned gcmarkbit : 1; |
1390 | int spacer : 15; | |
b01ecbc6 | 1391 | struct Lisp_Overlay *next; |
ce7d8eec KH |
1392 | Lisp_Object start, end, plist; |
1393 | }; | |
5bfac5a9 | 1394 | |
f334de0e | 1395 | /* Like Lisp_Objfwd except that value lives in a slot in the |
32462604 KH |
1396 | current kboard. */ |
1397 | struct Lisp_Kboard_Objfwd | |
f334de0e | 1398 | { |
ce5b453a | 1399 | enum Lisp_Fwd_Type type; /* = Lisp_Fwd_Kboard_Obj */ |
f334de0e KH |
1400 | int offset; |
1401 | }; | |
1402 | ||
222151aa RS |
1403 | /* Hold a C pointer for later use. |
1404 | This type of object is used in the arg to record_unwind_protect. */ | |
1405 | struct Lisp_Save_Value | |
1406 | { | |
eac1939a | 1407 | enum Lisp_Misc_Type type : 16; /* = Lisp_Misc_Save_Value */ |
a84f89d5 | 1408 | unsigned gcmarkbit : 1; |
5f5d6c62 KS |
1409 | int spacer : 14; |
1410 | /* If DOGC is set, POINTER is the address of a memory | |
1411 | area containing INTEGER potential Lisp_Objects. */ | |
1412 | unsigned int dogc : 1; | |
222151aa RS |
1413 | void *pointer; |
1414 | int integer; | |
1415 | }; | |
1416 | ||
5bfac5a9 | 1417 | |
6b61353c KH |
1418 | /* A miscellaneous object, when it's on the free list. */ |
1419 | struct Lisp_Free | |
1420 | { | |
eac1939a | 1421 | enum Lisp_Misc_Type type : 16; /* = Lisp_Misc_Free */ |
6b61353c KH |
1422 | unsigned gcmarkbit : 1; |
1423 | int spacer : 15; | |
1424 | union Lisp_Misc *chain; | |
1425 | #ifdef USE_LSB_TAG | |
1426 | /* Try to make sure that sizeof(Lisp_Misc) preserves TYPEBITS-alignment. | |
1427 | This assumes that Lisp_Marker is the largest of the alternatives and | |
ce5b453a | 1428 | that Lisp_Misc_Any has the same size as "Lisp_Free w/o padding". */ |
6b61353c | 1429 | char padding[((((sizeof (struct Lisp_Marker) - 1) >> GCTYPEBITS) + 1) |
ce5b453a | 1430 | << GCTYPEBITS) - sizeof (struct Lisp_Misc_Any)]; |
6b61353c KH |
1431 | #endif |
1432 | }; | |
1433 | ||
a7aa28f6 RS |
1434 | /* To get the type field of a union Lisp_Misc, use XMISCTYPE. |
1435 | It uses one of these struct subtypes to get the type field. */ | |
1436 | ||
84d1833e KH |
1437 | union Lisp_Misc |
1438 | { | |
67ee9f6e SM |
1439 | struct Lisp_Misc_Any u_any; /* Supertype of all Misc types. */ |
1440 | struct Lisp_Free u_free; /* Includes padding to force alignment. */ | |
ce5b453a SM |
1441 | struct Lisp_Marker u_marker; /* 5 */ |
1442 | struct Lisp_Overlay u_overlay; /* 5 */ | |
1443 | struct Lisp_Save_Value u_save_value; /* 3 */ | |
1444 | }; | |
1445 | ||
1446 | union Lisp_Fwd | |
1447 | { | |
1448 | struct Lisp_Intfwd u_intfwd; /* 2 */ | |
1449 | struct Lisp_Boolfwd u_boolfwd; /* 2 */ | |
1450 | struct Lisp_Objfwd u_objfwd; /* 2 */ | |
1451 | struct Lisp_Buffer_Objfwd u_buffer_objfwd; /* 2 */ | |
1452 | struct Lisp_Kboard_Objfwd u_kboard_objfwd; /* 2 */ | |
84d1833e | 1453 | }; |
7c06ac2b | 1454 | \f |
cc94f3b2 | 1455 | /* Lisp floating point type */ |
3cfe6dfd JB |
1456 | struct Lisp_Float |
1457 | { | |
3a623fee AS |
1458 | union |
1459 | { | |
8f34f70a | 1460 | #ifdef HIDE_LISP_IMPLEMENTATION |
3a623fee | 1461 | double data_; |
8f34f70a | 1462 | #else |
3a623fee | 1463 | double data; |
8f34f70a | 1464 | #endif |
3a623fee AS |
1465 | struct Lisp_Float *chain; |
1466 | } u; | |
3cfe6dfd | 1467 | }; |
8f34f70a KR |
1468 | |
1469 | #ifdef HIDE_LISP_IMPLEMENTATION | |
52766425 | 1470 | #define XFLOAT_DATA(f) (0 ? XFLOAT (f)->u.data_ : XFLOAT (f)->u.data_) |
8f34f70a | 1471 | #else |
52766425 | 1472 | #define XFLOAT_DATA(f) (0 ? XFLOAT (f)->u.data : XFLOAT (f)->u.data) |
f601cdf3 KR |
1473 | /* This should be used only in alloc.c, which always disables |
1474 | HIDE_LISP_IMPLEMENTATION. */ | |
1475 | #define XFLOAT_INIT(f,n) (XFLOAT (f)->u.data = (n)) | |
8f34f70a | 1476 | #endif |
3cfe6dfd JB |
1477 | |
1478 | /* A character, declared with the following typedef, is a member | |
99a3d506 | 1479 | of some character set associated with the current buffer. */ |
b2ba7b00 RS |
1480 | #ifndef _UCHAR_T /* Protect against something in ctab.h on AIX. */ |
1481 | #define _UCHAR_T | |
3cfe6dfd | 1482 | typedef unsigned char UCHAR; |
b2ba7b00 | 1483 | #endif |
3cfe6dfd JB |
1484 | |
1485 | /* Meanings of slots in a Lisp_Compiled: */ | |
1486 | ||
1487 | #define COMPILED_ARGLIST 0 | |
1488 | #define COMPILED_BYTECODE 1 | |
1489 | #define COMPILED_CONSTANTS 2 | |
1490 | #define COMPILED_STACK_DEPTH 3 | |
1491 | #define COMPILED_DOC_STRING 4 | |
1492 | #define COMPILED_INTERACTIVE 5 | |
88dbfee5 | 1493 | |
d03f79ef JB |
1494 | /* Flag bits in a character. These also get used in termhooks.h. |
1495 | Richard Stallman <rms@gnu.ai.mit.edu> thinks that MULE | |
7c06ac2b RS |
1496 | (MUlti-Lingual Emacs) might need 22 bits for the character value |
1497 | itself, so we probably shouldn't use any bits lower than 0x0400000. */ | |
1498 | #define CHAR_ALT (0x0400000) | |
1499 | #define CHAR_SUPER (0x0800000) | |
1500 | #define CHAR_HYPER (0x1000000) | |
1501 | #define CHAR_SHIFT (0x2000000) | |
1502 | #define CHAR_CTL (0x4000000) | |
1503 | #define CHAR_META (0x8000000) | |
703f2808 | 1504 | |
048151c1 KH |
1505 | #define CHAR_MODIFIER_MASK \ |
1506 | (CHAR_ALT | CHAR_SUPER | CHAR_HYPER | CHAR_SHIFT | CHAR_CTL | CHAR_META) | |
1507 | ||
1508 | ||
1842abb2 | 1509 | /* Actually, the current Emacs uses 22 bits for the character value |
6b768554 | 1510 | itself. */ |
13ac3ac9 | 1511 | #define CHARACTERBITS 22 |
6b768554 | 1512 | |
b0ca4f56 KH |
1513 | /* The maximum byte size consumed by push_key_description. |
1514 | All callers should assure that at least this size of memory is | |
1515 | allocated at the place pointed by the second argument. | |
1516 | ||
944df511 | 1517 | There are 6 modifiers, each consumes 2 chars. |
b0ca4f56 KH |
1518 | The octal form of a character code consumes |
1519 | (1 + CHARACTERBITS / 3 + 1) chars (including backslash at the head). | |
1520 | We need one more byte for string terminator `\0'. */ | |
1521 | #define KEY_DESCRIPTION_SIZE ((2 * 6) + 1 + (CHARACTERBITS / 3) + 1 + 1) | |
1522 | ||
703f2808 | 1523 | \f |
ec9ed378 KS |
1524 | /* The glyph datatype, used to represent characters on the display. |
1525 | It consists of a char code and a face id. */ | |
1526 | ||
1527 | typedef struct { | |
1528 | int ch; | |
1529 | int face_id; | |
1530 | } GLYPH; | |
703f2808 JB |
1531 | |
1532 | /* Return a glyph's character code. */ | |
ec9ed378 | 1533 | #define GLYPH_CHAR(glyph) ((glyph).ch) |
703f2808 JB |
1534 | |
1535 | /* Return a glyph's face ID. */ | |
ec9ed378 | 1536 | #define GLYPH_FACE(glyph) ((glyph).face_id) |
49b0dd75 | 1537 | |
ec9ed378 KS |
1538 | #define SET_GLYPH_CHAR(glyph, char) ((glyph).ch = (char)) |
1539 | #define SET_GLYPH_FACE(glyph, face) ((glyph).face_id = (face)) | |
1540 | #define SET_GLYPH(glyph, char, face) ((glyph).ch = (char), (glyph).face_id = (face)) | |
703f2808 | 1541 | |
e0f24100 | 1542 | /* Return 1 if GLYPH contains valid character code. */ |
ec9ed378 KS |
1543 | #define GLYPH_CHAR_VALID_P(glyph) CHAR_VALID_P (GLYPH_CHAR (glyph), 1) |
1544 | ||
1545 | ||
1546 | /* Glyph Code from a display vector may either be an integer which | |
1547 | encodes a char code in the lower CHARACTERBITS bits and a (very small) | |
1548 | face-id in the upper bits, or it may be a cons (CHAR . FACE-ID). */ | |
1549 | ||
1550 | #define GLYPH_CODE_CHAR(gc) \ | |
1551 | (CONSP (gc) ? XINT (XCAR (gc)) : INTEGERP (gc) ? (XINT (gc) & ((1 << CHARACTERBITS)-1)) : 0) | |
1552 | ||
1553 | #define GLYPH_CODE_FACE(gc) \ | |
1554 | (CONSP (gc) ? XINT (XCDR (gc)) : INTEGERP (gc) ? (XINT (gc) >> CHARACTERBITS) : DEFAULT_FACE_ID) | |
1555 | ||
1556 | /* Return 1 if glyph code from display vector contains valid character code. */ | |
1557 | #define GLYPH_CODE_CHAR_VALID_P(gc) CHAR_VALID_P (GLYPH_CODE_CHAR (gc), 1) | |
1558 | ||
1559 | #define GLYPH_CODE_P(gc) ((CONSP (gc) && INTEGERP (XCAR (gc)) && INTEGERP (XCDR (gc))) || INTEGERP (gc)) | |
1560 | ||
1561 | /* Only called when GLYPH_CODE_P (gc) is true. */ | |
1562 | #define SET_GLYPH_FROM_GLYPH_CODE(glyph, gc) \ | |
1563 | do \ | |
1564 | { \ | |
1565 | if (CONSP (gc)) \ | |
1566 | SET_GLYPH (glyph, XINT (XCAR (gc)), XINT (XCDR (gc))); \ | |
1567 | else \ | |
1568 | SET_GLYPH (glyph, (XINT (gc) & ((1 << CHARACTERBITS)-1)), \ | |
1569 | (XINT (gc) >> CHARACTERBITS)); \ | |
1570 | } \ | |
1571 | while (0) | |
b96656ce | 1572 | |
4606cc9d RS |
1573 | /* The ID of the mode line highlighting face. */ |
1574 | #define GLYPH_MODE_LINE_FACE 1 | |
3cfe6dfd JB |
1575 | \f |
1576 | /* Data type checking */ | |
1577 | ||
3c7a4fa3 | 1578 | #define NILP(x) EQ (x, Qnil) |
3cfe6dfd | 1579 | |
c5af3bb9 | 1580 | #define NUMBERP(x) (INTEGERP (x) || FLOATP (x)) |
a4a9f09f | 1581 | #define NATNUMP(x) (INTEGERP (x) && XINT (x) >= 0) |
4746118a | 1582 | |
2de9f71c | 1583 | #define INTEGERP(x) (LISP_INT_TAG_P (XTYPE ((x)))) |
edfa9106 | 1584 | #define SYMBOLP(x) (XTYPE ((x)) == Lisp_Symbol) |
84d1833e | 1585 | #define MISCP(x) (XTYPE ((x)) == Lisp_Misc) |
b5088f80 | 1586 | #define VECTORLIKEP(x) (XTYPE ((x)) == Lisp_Vectorlike) |
edfa9106 | 1587 | #define STRINGP(x) (XTYPE ((x)) == Lisp_String) |
3cfe6dfd | 1588 | #define CONSP(x) (XTYPE ((x)) == Lisp_Cons) |
7c06ac2b | 1589 | |
edfa9106 | 1590 | #define FLOATP(x) (XTYPE ((x)) == Lisp_Float) |
2706ceb6 | 1591 | #define VECTORP(x) (VECTORLIKEP (x) && !(XVECTOR (x)->size & PSEUDOVECTOR_FLAG)) |
a7aa28f6 | 1592 | #define OVERLAYP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Overlay) |
a7aa28f6 | 1593 | #define MARKERP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Marker) |
19fa82b9 | 1594 | #define SAVE_VALUEP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Save_Value) |
edfa9106 | 1595 | |
ce5b453a SM |
1596 | #define INTFWDP(x) (XFWDTYPE (x) == Lisp_Fwd_Int) |
1597 | #define BOOLFWDP(x) (XFWDTYPE (x) == Lisp_Fwd_Bool) | |
1598 | #define OBJFWDP(x) (XFWDTYPE (x) == Lisp_Fwd_Obj) | |
1599 | #define BUFFER_OBJFWDP(x) (XFWDTYPE (x) == Lisp_Fwd_Buffer_Obj) | |
1600 | #define KBOARD_OBJFWDP(x) (XFWDTYPE (x) == Lisp_Fwd_Kboard_Obj) | |
7c06ac2b | 1601 | |
303a5c93 | 1602 | /* True if object X is a pseudovector whose code is CODE. */ |
7c06ac2b RS |
1603 | #define PSEUDOVECTORP(x, code) \ |
1604 | (VECTORLIKEP (x) \ | |
1605 | && (((XVECTOR (x)->size & (PSEUDOVECTOR_FLAG | (code)))) \ | |
1606 | == (PSEUDOVECTOR_FLAG | (code)))) | |
1607 | ||
7c06ac2b RS |
1608 | /* Test for specific pseudovector types. */ |
1609 | #define WINDOW_CONFIGURATIONP(x) PSEUDOVECTORP (x, PVEC_WINDOW_CONFIGURATION) | |
7c06ac2b | 1610 | #define PROCESSP(x) PSEUDOVECTORP (x, PVEC_PROCESS) |
7c06ac2b | 1611 | #define WINDOWP(x) PSEUDOVECTORP (x, PVEC_WINDOW) |
49e49fb5 | 1612 | #define TERMINALP(x) PSEUDOVECTORP (x, PVEC_TERMINAL) |
7c06ac2b | 1613 | #define SUBRP(x) PSEUDOVECTORP (x, PVEC_SUBR) |
7c06ac2b | 1614 | #define COMPILEDP(x) PSEUDOVECTORP (x, PVEC_COMPILED) |
99a3d506 | 1615 | #define BUFFERP(x) PSEUDOVECTORP (x, PVEC_BUFFER) |
608ff985 | 1616 | #define CHAR_TABLE_P(x) PSEUDOVECTORP (x, PVEC_CHAR_TABLE) |
1842abb2 | 1617 | #define SUB_CHAR_TABLE_P(x) PSEUDOVECTORP (x, PVEC_SUB_CHAR_TABLE) |
608ff985 | 1618 | #define BOOL_VECTOR_P(x) PSEUDOVECTORP (x, PVEC_BOOL_VECTOR) |
7c06ac2b | 1619 | #define FRAMEP(x) PSEUDOVECTORP (x, PVEC_FRAME) |
ea724a01 | 1620 | |
6b61353c KH |
1621 | /* Test for image (image . spec) */ |
1622 | #define IMAGEP(x) (CONSP (x) && EQ (XCAR (x), Qimage)) | |
1623 | ||
c8a39089 KS |
1624 | /* Array types. */ |
1625 | ||
1626 | #define ARRAYP(x) \ | |
1627 | (VECTORP (x) || STRINGP (x) || CHAR_TABLE_P (x) || BOOL_VECTOR_P (x)) | |
7c06ac2b | 1628 | \f |
874cc80e | 1629 | #define CHECK_LIST(x) \ |
c8a39089 KS |
1630 | CHECK_TYPE (CONSP (x) || NILP (x), Qlistp, x) |
1631 | ||
1632 | #define CHECK_LIST_CONS(x, y) \ | |
1633 | CHECK_TYPE (CONSP (x), Qlistp, y) | |
1634 | ||
1635 | #define CHECK_LIST_END(x, y) \ | |
1636 | CHECK_TYPE (NILP (x), Qlistp, y) | |
3cfe6dfd | 1637 | |
874cc80e | 1638 | #define CHECK_STRING(x) \ |
c8a39089 | 1639 | CHECK_TYPE (STRINGP (x), Qstringp, x) |
3cfe6dfd | 1640 | |
57ddb5d0 | 1641 | #define CHECK_STRING_CAR(x) \ |
c8a39089 | 1642 | CHECK_TYPE (STRINGP (XCAR (x)), Qstringp, XCAR (x)) |
57ddb5d0 | 1643 | |
874cc80e | 1644 | #define CHECK_CONS(x) \ |
c8a39089 | 1645 | CHECK_TYPE (CONSP (x), Qconsp, x) |
3cfe6dfd | 1646 | |
874cc80e | 1647 | #define CHECK_SYMBOL(x) \ |
c8a39089 | 1648 | CHECK_TYPE (SYMBOLP (x), Qsymbolp, x) |
3cfe6dfd | 1649 | |
874cc80e | 1650 | #define CHECK_CHAR_TABLE(x) \ |
c8a39089 | 1651 | CHECK_TYPE (CHAR_TABLE_P (x), Qchar_table_p, x) |
608ff985 | 1652 | |
874cc80e | 1653 | #define CHECK_VECTOR(x) \ |
c8a39089 | 1654 | CHECK_TYPE (VECTORP (x), Qvectorp, x) |
3cfe6dfd | 1655 | |
c8a39089 KS |
1656 | #define CHECK_VECTOR_OR_STRING(x) \ |
1657 | CHECK_TYPE (VECTORP (x) || STRINGP (x), Qarrayp, x) | |
1658 | ||
78edd3b7 | 1659 | #define CHECK_ARRAY(x, Qxxxp) \ |
c8a39089 KS |
1660 | CHECK_TYPE (ARRAYP (x), Qxxxp, x) |
1661 | ||
1662 | #define CHECK_VECTOR_OR_CHAR_TABLE(x) \ | |
1663 | CHECK_TYPE (VECTORP (x) || CHAR_TABLE_P (x), Qvector_or_char_table_p, x) | |
7f73dc9d | 1664 | |
874cc80e | 1665 | #define CHECK_BUFFER(x) \ |
c8a39089 | 1666 | CHECK_TYPE (BUFFERP (x), Qbufferp, x) |
3cfe6dfd | 1667 | |
874cc80e | 1668 | #define CHECK_WINDOW(x) \ |
c8a39089 KS |
1669 | CHECK_TYPE (WINDOWP (x), Qwindowp, x) |
1670 | ||
1671 | #define CHECK_WINDOW_CONFIGURATION(x) \ | |
1672 | CHECK_TYPE (WINDOW_CONFIGURATIONP (x), Qwindow_configuration_p, x) | |
3cfe6dfd | 1673 | |
03273ec5 | 1674 | /* This macro rejects windows on the interior of the window tree as |
e98227af | 1675 | "dead", which is what we want; this is an argument-checking macro, and |
03273ec5 JB |
1676 | the user should never get access to interior windows. |
1677 | ||
e0f24100 | 1678 | A window of any sort, leaf or interior, is dead if the buffer, |
03273ec5 JB |
1679 | vchild, and hchild members are all nil. */ |
1680 | ||
c8a39089 KS |
1681 | #define CHECK_LIVE_WINDOW(x) \ |
1682 | CHECK_TYPE (WINDOWP (x) && !NILP (XWINDOW (x)->buffer), Qwindow_live_p, x) | |
03273ec5 | 1683 | |
874cc80e | 1684 | #define CHECK_PROCESS(x) \ |
c8a39089 KS |
1685 | CHECK_TYPE (PROCESSP (x), Qprocessp, x) |
1686 | ||
1687 | #define CHECK_SUBR(x) \ | |
1688 | CHECK_TYPE (SUBRP (x), Qsubrp, x) | |
3cfe6dfd | 1689 | |
874cc80e | 1690 | #define CHECK_NUMBER(x) \ |
c8a39089 | 1691 | CHECK_TYPE (INTEGERP (x), Qintegerp, x) |
3cfe6dfd | 1692 | |
874cc80e | 1693 | #define CHECK_NATNUM(x) \ |
c8a39089 | 1694 | CHECK_TYPE (NATNUMP (x), Qwholenump, x) |
3cfe6dfd | 1695 | |
874cc80e | 1696 | #define CHECK_MARKER(x) \ |
c8a39089 | 1697 | CHECK_TYPE (MARKERP (x), Qmarkerp, x) |
3cfe6dfd | 1698 | |
874cc80e | 1699 | #define CHECK_NUMBER_COERCE_MARKER(x) \ |
221f4ef3 | 1700 | do { if (MARKERP ((x))) XSETFASTINT (x, marker_position (x)); \ |
c8a39089 | 1701 | else CHECK_TYPE (INTEGERP (x), Qinteger_or_marker_p, x); } while (0) |
3cfe6dfd | 1702 | |
3cfe6dfd JB |
1703 | #define XFLOATINT(n) extract_float((n)) |
1704 | ||
78edd3b7 | 1705 | #define CHECK_FLOAT(x) \ |
c8a39089 | 1706 | CHECK_TYPE (FLOATP (x), Qfloatp, x) |
3cfe6dfd | 1707 | |
78edd3b7 | 1708 | #define CHECK_NUMBER_OR_FLOAT(x) \ |
c8a39089 | 1709 | CHECK_TYPE (FLOATP (x) || INTEGERP (x), Qnumberp, x) |
3cfe6dfd | 1710 | |
874cc80e | 1711 | #define CHECK_NUMBER_OR_FLOAT_COERCE_MARKER(x) \ |
78edd3b7 | 1712 | do { if (MARKERP (x)) XSETFASTINT (x, marker_position (x)); \ |
c8a39089 | 1713 | else CHECK_TYPE (INTEGERP (x) || FLOATP (x), Qnumber_or_marker_p, x); } while (0) |
3cfe6dfd | 1714 | |
874cc80e | 1715 | #define CHECK_OVERLAY(x) \ |
c8a39089 | 1716 | CHECK_TYPE (OVERLAYP (x), Qoverlayp, x) |
20280af7 | 1717 | |
f3fbd155 KR |
1718 | /* Since we can't assign directly to the CAR or CDR fields of a cons |
1719 | cell, use these when checking that those fields contain numbers. */ | |
874cc80e | 1720 | #define CHECK_NUMBER_CAR(x) \ |
f3fbd155 KR |
1721 | do { \ |
1722 | Lisp_Object tmp = XCAR (x); \ | |
874cc80e | 1723 | CHECK_NUMBER (tmp); \ |
f3fbd155 KR |
1724 | XSETCAR ((x), tmp); \ |
1725 | } while (0) | |
1726 | ||
874cc80e | 1727 | #define CHECK_NUMBER_CDR(x) \ |
f3fbd155 KR |
1728 | do { \ |
1729 | Lisp_Object tmp = XCDR (x); \ | |
874cc80e | 1730 | CHECK_NUMBER (tmp); \ |
f3fbd155 KR |
1731 | XSETCDR ((x), tmp); \ |
1732 | } while (0) | |
1733 | ||
8f924df7 KH |
1734 | #define CHECK_NATNUM_CAR(x) \ |
1735 | do { \ | |
1736 | Lisp_Object tmp = XCAR (x); \ | |
1737 | CHECK_NATNUM (tmp); \ | |
1738 | XSETCAR ((x), tmp); \ | |
1739 | } while (0) | |
1740 | ||
1741 | #define CHECK_NATNUM_CDR(x) \ | |
1742 | do { \ | |
1743 | Lisp_Object tmp = XCDR (x); \ | |
1744 | CHECK_NATNUM (tmp); \ | |
1745 | XSETCDR ((x), tmp); \ | |
1746 | } while (0) | |
1747 | ||
3cfe6dfd | 1748 | /* Cast pointers to this type to compare them. Some machines want int. */ |
68c45bf0 | 1749 | #define PNTR_COMPARISON_TYPE EMACS_UINT |
3cfe6dfd JB |
1750 | \f |
1751 | /* Define a built-in function for calling from Lisp. | |
1752 | `lname' should be the name to give the function in Lisp, | |
1753 | as a null-terminated C string. | |
1754 | `fnname' should be the name of the function in C. | |
1755 | By convention, it starts with F. | |
1756 | `sname' should be the name for the C constant structure | |
1757 | that records information on this function for internal use. | |
1758 | By convention, it should be the same as `fnname' but with S instead of F. | |
1759 | It's too bad that C macros can't compute this from `fnname'. | |
1760 | `minargs' should be a number, the minimum number of arguments allowed. | |
1761 | `maxargs' should be a number, the maximum number of arguments allowed, | |
1762 | or else MANY or UNEVALLED. | |
1763 | MANY means pass a vector of evaluated arguments, | |
1764 | in the form of an integer number-of-arguments | |
1765 | followed by the address of a vector of Lisp_Objects | |
1766 | which contains the argument values. | |
1767 | UNEVALLED means pass the list of unevaluated arguments | |
4bca9161 MC |
1768 | `intspec' says how interactive arguments are to be fetched. |
1769 | If the string starts with a `(', `intspec' is evaluated and the resulting | |
1770 | list is the list of arguments. | |
1771 | If it's a string that doesn't start with `(', the value should follow | |
1772 | the one of the doc string for `interactive'. | |
3cfe6dfd | 1773 | A null string means call interactively with no arguments. |
eab9d423 | 1774 | `doc' is documentation for the user. */ |
3cfe6dfd | 1775 | |
c451d7b1 | 1776 | /* This version of DEFUN declares a function prototype with the right |
99a3d506 | 1777 | arguments, so we can catch errors with maxargs at compile-time. */ |
4bca9161 | 1778 | #define DEFUN(lname, fnname, sname, minargs, maxargs, intspec, doc) \ |
7c06ac2b | 1779 | Lisp_Object fnname DEFUN_ARGS_ ## maxargs ; \ |
6b61353c | 1780 | DECL_ALIGN (struct Lisp_Subr, sname) = \ |
7c06ac2b | 1781 | { PVEC_SUBR | (sizeof (struct Lisp_Subr) / sizeof (EMACS_INT)), \ |
c0f2f16b | 1782 | (Lisp_Object(*)(void)) fnname, minargs, maxargs, lname, intspec, 0}; \ |
c451d7b1 RS |
1783 | Lisp_Object fnname |
1784 | ||
1785 | /* Note that the weird token-substitution semantics of ANSI C makes | |
99a3d506 | 1786 | this work for MANY and UNEVALLED. */ |
c451d7b1 RS |
1787 | #define DEFUN_ARGS_MANY (int, Lisp_Object *) |
1788 | #define DEFUN_ARGS_UNEVALLED (Lisp_Object) | |
1789 | #define DEFUN_ARGS_0 (void) | |
1790 | #define DEFUN_ARGS_1 (Lisp_Object) | |
1791 | #define DEFUN_ARGS_2 (Lisp_Object, Lisp_Object) | |
1792 | #define DEFUN_ARGS_3 (Lisp_Object, Lisp_Object, Lisp_Object) | |
1793 | #define DEFUN_ARGS_4 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object) | |
1794 | #define DEFUN_ARGS_5 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, \ | |
1795 | Lisp_Object) | |
1796 | #define DEFUN_ARGS_6 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, \ | |
1797 | Lisp_Object, Lisp_Object) | |
1798 | #define DEFUN_ARGS_7 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, \ | |
1799 | Lisp_Object, Lisp_Object, Lisp_Object) | |
5593f7e3 KH |
1800 | #define DEFUN_ARGS_8 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, \ |
1801 | Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object) | |
276680c4 | 1802 | |
78edd3b7 | 1803 | /* Non-zero if OBJ is a Lisp function. */ |
276680c4 GM |
1804 | #define FUNCTIONP(OBJ) \ |
1805 | ((CONSP (OBJ) && EQ (XCAR (OBJ), Qlambda)) \ | |
1806 | || (SYMBOLP (OBJ) && !NILP (Ffboundp (OBJ))) \ | |
1807 | || COMPILEDP (OBJ) \ | |
1808 | || SUBRP (OBJ)) | |
e2c0561e | 1809 | |
3cfe6dfd | 1810 | /* defsubr (Sname); |
d19b9aa8 | 1811 | is how we define the symbol for function `name' at start-up time. */ |
383e0970 | 1812 | extern void defsubr (struct Lisp_Subr *); |
3cfe6dfd JB |
1813 | |
1814 | #define MANY -2 | |
1815 | #define UNEVALLED -1 | |
1816 | ||
ce5b453a SM |
1817 | extern void defvar_lisp (struct Lisp_Objfwd *, const char *, Lisp_Object *); |
1818 | extern void defvar_lisp_nopro (struct Lisp_Objfwd *, const char *, Lisp_Object *); | |
1819 | extern void defvar_bool (struct Lisp_Boolfwd *, const char *, int *); | |
1820 | extern void defvar_int (struct Lisp_Intfwd *, const char *, EMACS_INT *); | |
1821 | extern void defvar_kboard (struct Lisp_Kboard_Objfwd *, const char *, int); | |
3cfe6dfd JB |
1822 | |
1823 | /* Macros we use to define forwarded Lisp variables. | |
1824 | These are used in the syms_of_FILENAME functions. */ | |
1825 | ||
ce5b453a SM |
1826 | #define DEFVAR_LISP(lname, vname, doc) \ |
1827 | do { \ | |
1828 | static struct Lisp_Objfwd o_fwd; \ | |
1829 | defvar_lisp (&o_fwd, lname, vname); \ | |
1830 | } while (0) | |
1831 | #define DEFVAR_LISP_NOPRO(lname, vname, doc) \ | |
1832 | do { \ | |
1833 | static struct Lisp_Objfwd o_fwd; \ | |
1834 | defvar_lisp_nopro (&o_fwd, lname, vname); \ | |
1835 | } while (0) | |
1836 | #define DEFVAR_BOOL(lname, vname, doc) \ | |
1837 | do { \ | |
1838 | static struct Lisp_Boolfwd b_fwd; \ | |
1839 | defvar_bool (&b_fwd, lname, vname); \ | |
1840 | } while (0) | |
1841 | #define DEFVAR_INT(lname, vname, doc) \ | |
1842 | do { \ | |
1843 | static struct Lisp_Intfwd i_fwd; \ | |
1844 | defvar_int (&i_fwd, lname, vname); \ | |
1845 | } while (0) | |
92d2947b | 1846 | |
ce5b453a SM |
1847 | #define DEFVAR_KBOARD(lname, vname, doc) \ |
1848 | do { \ | |
1849 | static struct Lisp_Kboard_Objfwd ko_fwd; \ | |
1850 | defvar_kboard (&ko_fwd, \ | |
1851 | lname, \ | |
1852 | (int)((char *)(¤t_kboard->vname) \ | |
1853 | - (char *)current_kboard)); \ | |
1854 | } while (0) | |
df7cd53b | 1855 | |
df7cd53b | 1856 | |
3cfe6dfd | 1857 | \f |
78ca380c JB |
1858 | /* Structure for recording Lisp call stack for backtrace purposes. */ |
1859 | ||
1860 | /* The special binding stack holds the outer values of variables while | |
1861 | they are bound by a function application or a let form, stores the | |
1862 | code to be executed for Lisp unwind-protect forms, and stores the C | |
1863 | functions to be called for record_unwind_protect. | |
1864 | ||
1865 | If func is non-zero, undoing this binding applies func to old_value; | |
1866 | This implements record_unwind_protect. | |
5fd6e274 RS |
1867 | |
1868 | Otherwise, the element is a variable binding. | |
e2c0561e | 1869 | |
5fd6e274 | 1870 | If the symbol field is a symbol, it is an ordinary variable binding. |
e2c0561e | 1871 | |
78edd3b7 JB |
1872 | Otherwise, it should be a structure (SYMBOL WHERE . CURRENT-BUFFER), |
1873 | which means having bound a local value while CURRENT-BUFFER was active. | |
1874 | If WHERE is nil this means we saw the default value when binding SYMBOL. | |
1875 | WHERE being a buffer or frame means we saw a buffer-local or frame-local | |
1876 | value. Other values of WHERE mean an internal error. */ | |
5fd6e274 | 1877 | |
383e0970 | 1878 | typedef Lisp_Object (*specbinding_func) (Lisp_Object); |
07c9ebd6 | 1879 | |
3cfe6dfd JB |
1880 | struct specbinding |
1881 | { | |
a7af5886 SM |
1882 | Lisp_Object symbol, old_value; |
1883 | specbinding_func func; | |
3cfe6dfd JB |
1884 | Lisp_Object unused; /* Dividing by 16 is faster than by 12 */ |
1885 | }; | |
1886 | ||
1887 | extern struct specbinding *specpdl; | |
a7af5886 | 1888 | extern struct specbinding *specpdl_ptr; |
3cfe6dfd JB |
1889 | extern int specpdl_size; |
1890 | ||
31ade731 | 1891 | extern EMACS_INT max_specpdl_size; |
c51ea62a | 1892 | |
c929397d | 1893 | #define SPECPDL_INDEX() (specpdl_ptr - specpdl) |
acb8dc44 | 1894 | |
78ca380c | 1895 | /* Everything needed to describe an active condition case. */ |
3cfe6dfd JB |
1896 | struct handler |
1897 | { | |
78ca380c | 1898 | /* The handler clauses and variable from the condition-case form. */ |
992dd91a RS |
1899 | /* For a handler set up in Lisp code, this is always a list. |
1900 | For an internal handler set up by internal_condition_case*, | |
1901 | this can instead be the symbol t or `error'. | |
1902 | t: handle all conditions. | |
1903 | error: handle all conditions, and errors can run the debugger | |
1904 | or display a backtrace. */ | |
3cfe6dfd JB |
1905 | Lisp_Object handler; |
1906 | Lisp_Object var; | |
22bbbd42 RS |
1907 | /* Fsignal stores here the condition-case clause that applies, |
1908 | and Fcondition_case thus knows which clause to run. */ | |
1909 | Lisp_Object chosen_clause; | |
78ca380c JB |
1910 | |
1911 | /* Used to effect the longjump out to the handler. */ | |
3cfe6dfd | 1912 | struct catchtag *tag; |
78ca380c JB |
1913 | |
1914 | /* The next enclosing handler. */ | |
3cfe6dfd JB |
1915 | struct handler *next; |
1916 | }; | |
1917 | ||
1918 | extern struct handler *handlerlist; | |
1919 | ||
d7306fe6 DN |
1920 | /* This structure helps implement the `catch' and `throw' control |
1921 | structure. A struct catchtag contains all the information needed | |
1922 | to restore the state of the interpreter after a non-local jump. | |
1923 | ||
1924 | Handlers for error conditions (represented by `struct handler' | |
1925 | structures) just point to a catch tag to do the cleanup required | |
1926 | for their jumps. | |
1927 | ||
1928 | catchtag structures are chained together in the C calling stack; | |
1929 | the `next' member points to the next outer catchtag. | |
1930 | ||
1931 | A call like (throw TAG VAL) searches for a catchtag whose `tag' | |
1932 | member is TAG, and then unbinds to it. The `val' member is used to | |
1933 | hold VAL while the stack is unwound; `val' is returned as the value | |
1934 | of the catch form. | |
1935 | ||
1936 | All the other members are concerned with restoring the interpreter | |
1937 | state. */ | |
1938 | ||
1939 | struct catchtag | |
1940 | { | |
1941 | Lisp_Object tag; | |
1942 | Lisp_Object val; | |
1943 | struct catchtag *next; | |
1944 | struct gcpro *gcpro; | |
1945 | jmp_buf jmp; | |
1946 | struct backtrace *backlist; | |
1947 | struct handler *handlerlist; | |
1948 | int lisp_eval_depth; | |
1949 | int pdlcount; | |
1950 | int poll_suppress_count; | |
1951 | int interrupt_input_blocked; | |
1952 | struct byte_stack *byte_stack; | |
1953 | }; | |
1954 | ||
3cfe6dfd JB |
1955 | extern struct catchtag *catchlist; |
1956 | extern struct backtrace *backtrace_list; | |
1957 | ||
22bbbd42 RS |
1958 | extern Lisp_Object memory_signal_data; |
1959 | ||
3cfe6dfd JB |
1960 | /* An address near the bottom of the stack. |
1961 | Tells GC how to save a copy of the stack. */ | |
1962 | extern char *stack_bottom; | |
1963 | ||
4742f524 RS |
1964 | /* Check quit-flag and quit if it is non-nil. |
1965 | Typing C-g does not directly cause a quit; it only sets Vquit_flag. | |
1966 | So the program needs to do QUIT at times when it is safe to quit. | |
1967 | Every loop that might run for a long time or might not exit | |
1968 | ought to do QUIT at least once, at a safe place. | |
1969 | Unless that is impossible, of course. | |
1970 | But it is very desirable to avoid creating loops where QUIT is impossible. | |
1971 | ||
1972 | Exception: if you set immediate_quit to nonzero, | |
1973 | then the handler that responds to the C-g does the quit itself. | |
1974 | This is a good thing to do around a loop that has no side effects | |
1975 | and (in particular) cannot call arbitrary Lisp code. */ | |
3cfe6dfd | 1976 | |
6b61353c | 1977 | #ifdef SYNC_INPUT |
383e0970 | 1978 | extern void process_pending_signals (void); |
26f1ab24 | 1979 | extern int pending_signals; |
c0335e02 SM |
1980 | #define ELSE_PENDING_SIGNALS \ |
1981 | else if (pending_signals) \ | |
1982 | process_pending_signals (); | |
6b61353c | 1983 | #else /* not SYNC_INPUT */ |
c0335e02 SM |
1984 | #define ELSE_PENDING_SIGNALS |
1985 | #endif /* not SYNC_INPUT */ | |
6b61353c | 1986 | |
a69a6e61 GM |
1987 | #define QUIT \ |
1988 | do { \ | |
1989 | if (!NILP (Vquit_flag) && NILP (Vinhibit_quit)) \ | |
1990 | { \ | |
08fdede6 | 1991 | Lisp_Object flag = Vquit_flag; \ |
a69a6e61 | 1992 | Vquit_flag = Qnil; \ |
08fdede6 | 1993 | if (EQ (Vthrow_on_input, flag)) \ |
85c9ff2c | 1994 | Fthrow (Vthrow_on_input, Qt); \ |
a69a6e61 GM |
1995 | Fsignal (Qquit, Qnil); \ |
1996 | } \ | |
c0335e02 | 1997 | ELSE_PENDING_SIGNALS \ |
a69a6e61 | 1998 | } while (0) |
3cfe6dfd | 1999 | |
6b61353c | 2000 | |
3cfe6dfd JB |
2001 | /* Nonzero if ought to quit now. */ |
2002 | ||
efb859b4 | 2003 | #define QUITP (!NILP (Vquit_flag) && NILP (Vinhibit_quit)) |
3cfe6dfd | 2004 | \f |
8ac90470 | 2005 | /* Variables used locally in the following case handling macros. */ |
2e34157c RS |
2006 | extern int case_temp1; |
2007 | extern Lisp_Object case_temp2; | |
8ac90470 | 2008 | |
e98227af | 2009 | /* Current buffer's map from characters to lower-case characters. */ |
3cfe6dfd | 2010 | |
8ac90470 | 2011 | #define DOWNCASE_TABLE current_buffer->downcase_table |
3cfe6dfd | 2012 | |
e98227af | 2013 | /* Current buffer's map from characters to upper-case characters. */ |
3cfe6dfd | 2014 | |
8ac90470 | 2015 | #define UPCASE_TABLE current_buffer->upcase_table |
3cfe6dfd | 2016 | |
e98227af | 2017 | /* Downcase a character, or make no change if that cannot be done. */ |
3cfe6dfd | 2018 | |
8ac90470 KH |
2019 | #define DOWNCASE(CH) \ |
2020 | ((case_temp1 = (CH), \ | |
2021 | case_temp2 = CHAR_TABLE_REF (DOWNCASE_TABLE, case_temp1), \ | |
2022 | NATNUMP (case_temp2)) \ | |
2023 | ? XFASTINT (case_temp2) : case_temp1) | |
3cfe6dfd | 2024 | |
e98227af | 2025 | /* 1 if CH is upper case. */ |
3cfe6dfd | 2026 | |
476d47ce | 2027 | #define UPPERCASEP(CH) (DOWNCASE (CH) != (CH)) |
3cfe6dfd | 2028 | |
e98227af | 2029 | /* 1 if CH is neither upper nor lower case. */ |
3cfe6dfd | 2030 | |
8ac90470 | 2031 | #define NOCASEP(CH) (UPCASE1 (CH) == (CH)) |
3cfe6dfd | 2032 | |
e98227af | 2033 | /* 1 if CH is lower case. */ |
3cfe6dfd | 2034 | |
e98227af | 2035 | #define LOWERCASEP(CH) (!UPPERCASEP (CH) && !NOCASEP(CH)) |
3cfe6dfd | 2036 | |
e98227af | 2037 | /* Upcase a character, or make no change if that cannot be done. */ |
3cfe6dfd | 2038 | |
e98227af KH |
2039 | #define UPCASE(CH) (!UPPERCASEP (CH) ? UPCASE1 (CH) : (CH)) |
2040 | ||
2041 | /* Upcase a character known to be not upper case. */ | |
2042 | ||
8ac90470 KH |
2043 | #define UPCASE1(CH) \ |
2044 | ((case_temp1 = (CH), \ | |
2045 | case_temp2 = CHAR_TABLE_REF (UPCASE_TABLE, case_temp1), \ | |
2046 | NATNUMP (case_temp2)) \ | |
2047 | ? XFASTINT (case_temp2) : case_temp1) | |
3cfe6dfd | 2048 | |
b80785d3 KH |
2049 | extern Lisp_Object Vascii_downcase_table, Vascii_upcase_table; |
2050 | extern Lisp_Object Vascii_canon_table, Vascii_eqv_table; | |
3cfe6dfd | 2051 | \f |
99a3d506 | 2052 | /* Number of bytes of structure consed since last GC. */ |
3cfe6dfd JB |
2053 | |
2054 | extern int consing_since_gc; | |
2055 | ||
9bd32d8c | 2056 | /* Thresholds for doing another gc. */ |
3cfe6dfd | 2057 | |
9bd32d8c RS |
2058 | extern EMACS_INT gc_cons_threshold; |
2059 | ||
2060 | extern EMACS_INT gc_relative_threshold; | |
3cfe6dfd | 2061 | |
eb3fe174 RS |
2062 | extern EMACS_INT memory_full_cons_threshold; |
2063 | ||
99a3d506 | 2064 | /* Structure for recording stack slots that need marking. */ |
3cfe6dfd | 2065 | |
78edd3b7 JB |
2066 | /* This is a chain of structures, each of which points at a Lisp_Object |
2067 | variable whose value should be marked in garbage collection. | |
2068 | Normally every link of the chain is an automatic variable of a function, | |
2069 | and its `val' points to some argument or local variable of the function. | |
2070 | On exit to the function, the chain is set back to the value it had on entry. | |
2071 | This way, no link remains in the chain when the stack frame containing the | |
2072 | link disappears. | |
3cfe6dfd | 2073 | |
78edd3b7 JB |
2074 | Every function that can call Feval must protect in this fashion all |
2075 | Lisp_Object variables whose contents will be used again. */ | |
3cfe6dfd JB |
2076 | |
2077 | extern struct gcpro *gcprolist; | |
2078 | ||
2079 | struct gcpro | |
834168ef GM |
2080 | { |
2081 | struct gcpro *next; | |
e2c0561e | 2082 | |
834168ef GM |
2083 | /* Address of first protected variable. */ |
2084 | volatile Lisp_Object *var; | |
e2c0561e | 2085 | |
834168ef GM |
2086 | /* Number of consecutive protected variables. */ |
2087 | int nvars; | |
e2c0561e | 2088 | |
4742f524 | 2089 | #ifdef DEBUG_GCPRO |
834168ef | 2090 | int level; |
4742f524 | 2091 | #endif |
834168ef | 2092 | }; |
3cfe6dfd | 2093 | |
1216f5e4 GM |
2094 | /* Values of GC_MARK_STACK during compilation: |
2095 | ||
2096 | 0 Use GCPRO as before | |
2097 | 1 Do the real thing, make GCPROs and UNGCPRO no-ops. | |
2098 | 2 Mark the stack, and check that everything GCPRO'd is | |
2099 | marked. | |
2100 | 3 Mark using GCPRO's, mark stack last, and count how many | |
2101 | dead objects are kept alive. */ | |
2102 | ||
2103 | ||
2104 | #define GC_USE_GCPROS_AS_BEFORE 0 | |
2105 | #define GC_MAKE_GCPROS_NOOPS 1 | |
2106 | #define GC_MARK_STACK_CHECK_GCPROS 2 | |
2107 | #define GC_USE_GCPROS_CHECK_ZOMBIES 3 | |
2108 | ||
2109 | #ifndef GC_MARK_STACK | |
2110 | #define GC_MARK_STACK GC_USE_GCPROS_AS_BEFORE | |
2111 | #endif | |
2112 | ||
2113 | #if GC_MARK_STACK == GC_MAKE_GCPROS_NOOPS | |
2114 | ||
9f0443f9 | 2115 | /* Do something silly with gcproN vars just so gcc shuts up. */ |
656c33dc | 2116 | /* You get warnings from MIPSPro... */ |
9f0443f9 SM |
2117 | |
2118 | #define GCPRO1(varname) ((void) gcpro1) | |
e2c0561e | 2119 | #define GCPRO2(varname1, varname2)(((void) gcpro2, (void) gcpro1)) |
9f0443f9 SM |
2120 | #define GCPRO3(varname1, varname2, varname3) \ |
2121 | (((void) gcpro3, (void) gcpro2, (void) gcpro1)) | |
2122 | #define GCPRO4(varname1, varname2, varname3, varname4) \ | |
2123 | (((void) gcpro4, (void) gcpro3, (void) gcpro2, (void) gcpro1)) | |
2124 | #define GCPRO5(varname1, varname2, varname3, varname4, varname5) \ | |
2125 | (((void) gcpro5, (void) gcpro4, (void) gcpro3, (void) gcpro2, (void) gcpro1)) | |
b7301bff KS |
2126 | #define GCPRO6(varname1, varname2, varname3, varname4, varname5, varname6) \ |
2127 | (((void) gcpro6, (void) gcpro5, (void) gcpro4, (void) gcpro3, (void) gcpro2, (void) gcpro1)) | |
1216f5e4 GM |
2128 | #define UNGCPRO ((void) 0) |
2129 | ||
2130 | #else /* GC_MARK_STACK != GC_MAKE_GCPROS_NOOPS */ | |
2131 | ||
4742f524 RS |
2132 | #ifndef DEBUG_GCPRO |
2133 | ||
3cfe6dfd JB |
2134 | #define GCPRO1(varname) \ |
2135 | {gcpro1.next = gcprolist; gcpro1.var = &varname; gcpro1.nvars = 1; \ | |
2136 | gcprolist = &gcpro1; } | |
2137 | ||
2138 | #define GCPRO2(varname1, varname2) \ | |
2139 | {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \ | |
2140 | gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \ | |
2141 | gcprolist = &gcpro2; } | |
2142 | ||
2143 | #define GCPRO3(varname1, varname2, varname3) \ | |
2144 | {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \ | |
2145 | gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \ | |
2146 | gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \ | |
2147 | gcprolist = &gcpro3; } | |
2148 | ||
2149 | #define GCPRO4(varname1, varname2, varname3, varname4) \ | |
2150 | {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \ | |
2151 | gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \ | |
2152 | gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \ | |
2153 | gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \ | |
2154 | gcprolist = &gcpro4; } | |
2155 | ||
c47b8d02 RS |
2156 | #define GCPRO5(varname1, varname2, varname3, varname4, varname5) \ |
2157 | {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \ | |
2158 | gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \ | |
2159 | gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \ | |
2160 | gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \ | |
2161 | gcpro5.next = &gcpro4; gcpro5.var = &varname5; gcpro5.nvars = 1; \ | |
2162 | gcprolist = &gcpro5; } | |
2163 | ||
b7301bff KS |
2164 | #define GCPRO6(varname1, varname2, varname3, varname4, varname5, varname6) \ |
2165 | {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \ | |
2166 | gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \ | |
2167 | gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \ | |
2168 | gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \ | |
2169 | gcpro5.next = &gcpro4; gcpro5.var = &varname5; gcpro5.nvars = 1; \ | |
2170 | gcpro6.next = &gcpro5; gcpro6.var = &varname6; gcpro6.nvars = 1; \ | |
2171 | gcprolist = &gcpro6; } | |
2172 | ||
4742f524 | 2173 | #define UNGCPRO (gcprolist = gcpro1.next) |
3cfe6dfd | 2174 | |
4742f524 | 2175 | #else |
e98227af | 2176 | |
4742f524 RS |
2177 | extern int gcpro_level; |
2178 | ||
2179 | #define GCPRO1(varname) \ | |
2180 | {gcpro1.next = gcprolist; gcpro1.var = &varname; gcpro1.nvars = 1; \ | |
2181 | gcpro1.level = gcpro_level++; \ | |
2182 | gcprolist = &gcpro1; } | |
2183 | ||
2184 | #define GCPRO2(varname1, varname2) \ | |
2185 | {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \ | |
2186 | gcpro1.level = gcpro_level; \ | |
2187 | gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \ | |
2188 | gcpro2.level = gcpro_level++; \ | |
2189 | gcprolist = &gcpro2; } | |
2190 | ||
2191 | #define GCPRO3(varname1, varname2, varname3) \ | |
2192 | {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \ | |
2193 | gcpro1.level = gcpro_level; \ | |
2194 | gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \ | |
2195 | gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \ | |
2196 | gcpro3.level = gcpro_level++; \ | |
2197 | gcprolist = &gcpro3; } | |
2198 | ||
2199 | #define GCPRO4(varname1, varname2, varname3, varname4) \ | |
2200 | {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \ | |
2201 | gcpro1.level = gcpro_level; \ | |
2202 | gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \ | |
2203 | gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \ | |
2204 | gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \ | |
2205 | gcpro4.level = gcpro_level++; \ | |
2206 | gcprolist = &gcpro4; } | |
2207 | ||
2208 | #define GCPRO5(varname1, varname2, varname3, varname4, varname5) \ | |
2209 | {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \ | |
2210 | gcpro1.level = gcpro_level; \ | |
2211 | gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \ | |
2212 | gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \ | |
2213 | gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \ | |
2214 | gcpro5.next = &gcpro4; gcpro5.var = &varname5; gcpro5.nvars = 1; \ | |
2215 | gcpro5.level = gcpro_level++; \ | |
2216 | gcprolist = &gcpro5; } | |
2217 | ||
b7301bff KS |
2218 | #define GCPRO6(varname1, varname2, varname3, varname4, varname5, varname6) \ |
2219 | {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \ | |
2220 | gcpro1.level = gcpro_level; \ | |
2221 | gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \ | |
2222 | gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \ | |
2223 | gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \ | |
2224 | gcpro5.next = &gcpro4; gcpro5.var = &varname5; gcpro5.nvars = 1; \ | |
2225 | gcpro6.next = &gcpro5; gcpro6.var = &varname6; gcpro6.nvars = 1; \ | |
2226 | gcpro6.level = gcpro_level++; \ | |
2227 | gcprolist = &gcpro6; } | |
2228 | ||
4742f524 RS |
2229 | #define UNGCPRO \ |
2230 | ((--gcpro_level != gcpro1.level) \ | |
2231 | ? (abort (), 0) \ | |
2232 | : ((gcprolist = gcpro1.next), 0)) | |
2233 | ||
2234 | #endif /* DEBUG_GCPRO */ | |
1216f5e4 GM |
2235 | #endif /* GC_MARK_STACK != GC_MAKE_GCPROS_NOOPS */ |
2236 | ||
3cfe6dfd | 2237 | |
5db82c9d | 2238 | /* Evaluate expr, UNGCPRO, and then return the value of expr. */ |
c47b8d02 | 2239 | #define RETURN_UNGCPRO(expr) \ |
0868e74e | 2240 | do \ |
c47b8d02 RS |
2241 | { \ |
2242 | Lisp_Object ret_ungc_val; \ | |
2243 | ret_ungc_val = (expr); \ | |
2244 | UNGCPRO; \ | |
2245 | return ret_ungc_val; \ | |
2246 | } \ | |
0868e74e | 2247 | while (0) |
4742f524 RS |
2248 | |
2249 | /* Call staticpro (&var) to protect static variable `var'. */ | |
2250 | ||
383e0970 | 2251 | void staticpro (Lisp_Object *); |
3cfe6dfd | 2252 | \f |
2f69f2ec RS |
2253 | /* Declare a Lisp-callable function. The MAXARGS parameter has the same |
2254 | meaning as in the DEFUN macro, and is used to construct a prototype. */ | |
2f69f2ec RS |
2255 | /* We can use the same trick as in the DEFUN macro to generate the |
2256 | appropriate prototype. */ | |
2257 | #define EXFUN(fnname, maxargs) \ | |
2258 | extern Lisp_Object fnname DEFUN_ARGS_ ## maxargs | |
2f69f2ec | 2259 | |
526a2be7 AS |
2260 | /* Forward declarations for prototypes. */ |
2261 | struct window; | |
2262 | struct frame; | |
2f69f2ec | 2263 | |
3cfe6dfd JB |
2264 | /* Defined in data.c */ |
2265 | extern Lisp_Object Qnil, Qt, Qquote, Qlambda, Qsubr, Qunbound; | |
2266 | extern Lisp_Object Qerror_conditions, Qerror_message, Qtop_level; | |
2267 | extern Lisp_Object Qerror, Qquit, Qwrong_type_argument, Qargs_out_of_range; | |
2268 | extern Lisp_Object Qvoid_variable, Qvoid_function; | |
2269 | extern Lisp_Object Qsetting_constant, Qinvalid_read_syntax; | |
2270 | extern Lisp_Object Qinvalid_function, Qwrong_number_of_arguments, Qno_catch; | |
6b61353c | 2271 | extern Lisp_Object Qend_of_file, Qarith_error, Qmark_inactive; |
3cfe6dfd | 2272 | extern Lisp_Object Qbeginning_of_buffer, Qend_of_buffer, Qbuffer_read_only; |
6b61353c | 2273 | extern Lisp_Object Qtext_read_only; |
623ed1b0 | 2274 | |
6b61353c | 2275 | extern Lisp_Object Qintegerp, Qnatnump, Qwholenump, Qsymbolp, Qlistp, Qconsp; |
3cfe6dfd | 2276 | extern Lisp_Object Qstringp, Qarrayp, Qsequencep, Qbufferp; |
6b61353c | 2277 | extern Lisp_Object Qchar_or_string_p, Qmarkerp, Qinteger_or_marker_p, Qvectorp; |
cde20f41 | 2278 | extern Lisp_Object Qbuffer_or_string_p; |
6b61353c KH |
2279 | extern Lisp_Object Qboundp, Qfboundp; |
2280 | extern Lisp_Object Qchar_table_p, Qvector_or_char_table_p; | |
2281 | ||
3cfe6dfd JB |
2282 | extern Lisp_Object Qcdr; |
2283 | ||
6b61353c KH |
2284 | extern Lisp_Object Qrange_error, Qdomain_error, Qsingularity_error; |
2285 | extern Lisp_Object Qoverflow_error, Qunderflow_error; | |
3cfe6dfd | 2286 | |
6b61353c KH |
2287 | extern Lisp_Object Qfloatp; |
2288 | extern Lisp_Object Qnumberp, Qnumber_or_marker_p; | |
2289 | ||
2290 | extern Lisp_Object Qinteger; | |
3cfe6dfd | 2291 | |
a35ebb81 CY |
2292 | extern Lisp_Object Qfont_spec, Qfont_entity, Qfont_object; |
2293 | ||
383e0970 | 2294 | extern void circular_list_error (Lisp_Object) NO_RETURN; |
6b61353c | 2295 | EXFUN (Finteractive_form, 1); |
9370c1d8 | 2296 | EXFUN (Fbyteorder, 0); |
6b61353c KH |
2297 | |
2298 | /* Defined in frame.c */ | |
2299 | extern Lisp_Object Qframep; | |
7436b0a9 | 2300 | |
2f69f2ec RS |
2301 | EXFUN (Feq, 2); |
2302 | EXFUN (Fnull, 1); | |
2303 | EXFUN (Flistp, 1); | |
2304 | EXFUN (Fconsp, 1); | |
2305 | EXFUN (Fatom, 1); | |
2306 | EXFUN (Fnlistp, 1); | |
2307 | EXFUN (Fintegerp, 1); | |
2308 | EXFUN (Fnatnump, 1); | |
2309 | EXFUN (Fsymbolp, 1); | |
2310 | EXFUN (Fvectorp, 1); | |
2311 | EXFUN (Fstringp, 1); | |
a1b5012f | 2312 | EXFUN (Fmultibyte_string_p, 1); |
2f69f2ec RS |
2313 | EXFUN (Farrayp, 1); |
2314 | EXFUN (Fsequencep, 1); | |
2315 | EXFUN (Fbufferp, 1); | |
2316 | EXFUN (Fmarkerp, 1); | |
2317 | EXFUN (Fsubrp, 1); | |
2318 | EXFUN (Fchar_or_string_p, 1); | |
2319 | EXFUN (Finteger_or_marker_p, 1); | |
2f69f2ec RS |
2320 | EXFUN (Ffloatp, 1); |
2321 | EXFUN (Finteger_or_floatp, 1); | |
2322 | EXFUN (Finteger_or_float_or_marker_p, 1); | |
3cfe6dfd | 2323 | |
2f69f2ec RS |
2324 | EXFUN (Fcar, 1); |
2325 | EXFUN (Fcar_safe, 1); | |
2326 | EXFUN (Fcdr, 1); | |
2327 | EXFUN (Fcdr_safe, 1); | |
2328 | EXFUN (Fsetcar, 2); | |
2329 | EXFUN (Fsetcdr, 2); | |
2330 | EXFUN (Fboundp, 1); | |
2331 | EXFUN (Ffboundp, 1); | |
2332 | EXFUN (Fmakunbound, 1); | |
2333 | EXFUN (Ffmakunbound, 1); | |
2334 | EXFUN (Fsymbol_function, 1); | |
2335 | EXFUN (Fsymbol_plist, 1); | |
2336 | EXFUN (Fsymbol_name, 1); | |
383e0970 | 2337 | extern Lisp_Object indirect_function (Lisp_Object); |
a7f96a35 | 2338 | EXFUN (Findirect_function, 2); |
2f69f2ec RS |
2339 | EXFUN (Ffset, 2); |
2340 | EXFUN (Fsetplist, 2); | |
2341 | EXFUN (Fsymbol_value, 1); | |
383e0970 | 2342 | extern Lisp_Object find_symbol_value (Lisp_Object); |
2f69f2ec RS |
2343 | EXFUN (Fset, 2); |
2344 | EXFUN (Fdefault_value, 1); | |
2345 | EXFUN (Fset_default, 2); | |
2346 | EXFUN (Fdefault_boundp, 1); | |
2347 | EXFUN (Fmake_local_variable, 1); | |
a154f406 | 2348 | EXFUN (Flocal_variable_p, 2); |
2f69f2ec RS |
2349 | EXFUN (Flocal_variable_if_set_p, 2); |
2350 | ||
2351 | EXFUN (Faref, 2); | |
2352 | EXFUN (Faset, 3); | |
2353 | ||
2354 | EXFUN (Fstring_to_number, 2); | |
2355 | EXFUN (Fnumber_to_string, 1); | |
2356 | EXFUN (Feqlsign, 2); | |
2357 | EXFUN (Fgtr, 2); | |
2358 | EXFUN (Flss, 2); | |
2359 | EXFUN (Fgeq, 2); | |
2360 | EXFUN (Fleq, 2); | |
2361 | EXFUN (Fneq, 2); | |
2362 | EXFUN (Fzerop, 1); | |
2363 | EXFUN (Fplus, MANY); | |
2364 | EXFUN (Fminus, MANY); | |
2365 | EXFUN (Ftimes, MANY); | |
2366 | EXFUN (Fquo, MANY); | |
2367 | EXFUN (Frem, 2); | |
2368 | EXFUN (Fmax, MANY); | |
2369 | EXFUN (Fmin, MANY); | |
2370 | EXFUN (Flogand, MANY); | |
2371 | EXFUN (Flogior, MANY); | |
2372 | EXFUN (Flogxor, MANY); | |
2373 | EXFUN (Flognot, 1); | |
2374 | EXFUN (Flsh, 2); | |
2375 | EXFUN (Fash, 2); | |
2376 | ||
2377 | EXFUN (Fadd1, 1); | |
2378 | EXFUN (Fsub1, 1); | |
d7935eb6 | 2379 | EXFUN (Fmake_variable_buffer_local, 1); |
2f69f2ec | 2380 | |
ad97b375 | 2381 | extern struct Lisp_Symbol *indirect_variable (struct Lisp_Symbol *); |
383e0970 J |
2382 | extern Lisp_Object long_to_cons (unsigned long); |
2383 | extern unsigned long cons_to_long (Lisp_Object); | |
2384 | extern void args_out_of_range (Lisp_Object, Lisp_Object) NO_RETURN; | |
2385 | extern void args_out_of_range_3 (Lisp_Object, Lisp_Object, | |
2386 | Lisp_Object) NO_RETURN; | |
2387 | extern Lisp_Object wrong_type_argument (Lisp_Object, Lisp_Object) NO_RETURN; | |
ce5b453a | 2388 | extern Lisp_Object do_symval_forwarding (union Lisp_Fwd *); |
94b612ad | 2389 | extern void set_internal (Lisp_Object, Lisp_Object, Lisp_Object, int); |
383e0970 J |
2390 | extern void syms_of_data (void); |
2391 | extern void init_data (void); | |
2392 | extern void swap_in_global_binding (struct Lisp_Symbol *); | |
3cfe6dfd | 2393 | |
a37e10f9 | 2394 | /* Defined in cmds.c */ |
2f69f2ec RS |
2395 | EXFUN (Fend_of_line, 1); |
2396 | EXFUN (Fforward_char, 1); | |
2397 | EXFUN (Fforward_line, 1); | |
383e0970 J |
2398 | extern int internal_self_insert (int, int); |
2399 | extern void syms_of_cmds (void); | |
2400 | extern void keys_of_cmds (void); | |
a37e10f9 | 2401 | |
6b768554 | 2402 | /* Defined in coding.c */ |
2f69f2ec | 2403 | EXFUN (Fcoding_system_p, 1); |
a6392022 KH |
2404 | EXFUN (Fcoding_system_base, 1); |
2405 | EXFUN (Fcoding_system_eol_type, 1); | |
2406 | EXFUN (Fcheck_coding_system, 1); | |
2f69f2ec | 2407 | EXFUN (Fcheck_coding_system, 1); |
34ba1f2e | 2408 | EXFUN (Fread_coding_system, 2); |
2f69f2ec | 2409 | EXFUN (Fread_non_nil_coding_system, 1); |
a154f406 | 2410 | EXFUN (Ffind_operation_coding_system, MANY); |
61727ab5 | 2411 | EXFUN (Fupdate_coding_systems_internal, 0); |
1842abb2 KH |
2412 | EXFUN (Fencode_coding_string, 4); |
2413 | EXFUN (Fdecode_coding_string, 4); | |
383e0970 J |
2414 | extern Lisp_Object detect_coding_system (const unsigned char *, EMACS_INT, |
2415 | EMACS_INT, int, int, Lisp_Object); | |
2416 | extern void init_coding (void); | |
2417 | extern void init_coding_once (void); | |
2418 | extern void syms_of_coding (void); | |
1842abb2 KH |
2419 | |
2420 | /* Defined in character.c */ | |
383e0970 J |
2421 | extern void init_character_once (void); |
2422 | extern void syms_of_character (void); | |
e3432aa4 | 2423 | EXFUN (Funibyte_char_to_multibyte, 1); |
6b768554 | 2424 | |
5e741a41 RS |
2425 | /* Defined in charset.c */ |
2426 | EXFUN (Fchar_bytes, 1); | |
ec5d8db7 | 2427 | EXFUN (Fchar_width, 1); |
4516715a | 2428 | EXFUN (Fstring, MANY); |
383e0970 J |
2429 | extern EMACS_INT chars_in_text (const unsigned char *, EMACS_INT); |
2430 | extern EMACS_INT multibyte_chars_in_text (const unsigned char *, EMACS_INT); | |
2431 | extern int multibyte_char_to_unibyte (int, Lisp_Object); | |
2432 | extern int multibyte_char_to_unibyte_safe (int); | |
b4e187e2 | 2433 | extern Lisp_Object Qcharset; |
383e0970 J |
2434 | extern void init_charset (void); |
2435 | extern void init_charset_once (void); | |
2436 | extern void syms_of_charset (void); | |
8f924df7 KH |
2437 | /* Structure forward declarations. */ |
2438 | struct charset; | |
5e741a41 | 2439 | |
1842abb2 | 2440 | /* Defined in composite.c */ |
383e0970 | 2441 | extern void syms_of_composite (void); |
5e741a41 | 2442 | |
a37e10f9 | 2443 | /* Defined in syntax.c */ |
2f69f2ec RS |
2444 | EXFUN (Fforward_word, 1); |
2445 | EXFUN (Fskip_chars_forward, 2); | |
2446 | EXFUN (Fskip_chars_backward, 2); | |
526a2be7 AS |
2447 | EXFUN (Fsyntax_table_p, 1); |
2448 | EXFUN (Fsyntax_table, 0); | |
2449 | EXFUN (Fset_syntax_table, 1); | |
383e0970 J |
2450 | extern void init_syntax_once (void); |
2451 | extern void syms_of_syntax (void); | |
a37e10f9 | 2452 | |
3cfe6dfd | 2453 | /* Defined in fns.c */ |
9a4f9d30 | 2454 | extern int use_dialog_box; |
383e0970 J |
2455 | extern int next_almost_prime (int); |
2456 | extern Lisp_Object larger_vector (Lisp_Object, int, Lisp_Object); | |
2457 | extern void sweep_weak_hash_tables (void); | |
3cfe6dfd JB |
2458 | extern Lisp_Object Qstring_lessp; |
2459 | extern Lisp_Object Vfeatures; | |
1842abb2 | 2460 | extern Lisp_Object QCtest, QCweakness, Qequal, Qeq; |
383e0970 J |
2461 | unsigned sxhash (Lisp_Object, int); |
2462 | Lisp_Object make_hash_table (Lisp_Object, Lisp_Object, Lisp_Object, | |
2463 | Lisp_Object, Lisp_Object, Lisp_Object, | |
2464 | Lisp_Object); | |
2465 | Lisp_Object copy_hash_table (struct Lisp_Hash_Table *); | |
2466 | int hash_lookup (struct Lisp_Hash_Table *, Lisp_Object, unsigned *); | |
2467 | int hash_put (struct Lisp_Hash_Table *, Lisp_Object, Lisp_Object, | |
2468 | unsigned); | |
2469 | void hash_clear (struct Lisp_Hash_Table *); | |
2470 | void init_weak_hash_tables (void); | |
2471 | extern void init_fns (void); | |
5010d3b8 GM |
2472 | EXFUN (Fsxhash, 1); |
2473 | EXFUN (Fmake_hash_table, MANY); | |
1842abb2 | 2474 | EXFUN (Fmakehash, 1); |
d9138d5d | 2475 | EXFUN (Fcopy_hash_table, 1); |
5010d3b8 GM |
2476 | EXFUN (Fhash_table_count, 1); |
2477 | EXFUN (Fhash_table_rehash_size, 1); | |
2478 | EXFUN (Fhash_table_rehash_threshold, 1); | |
2479 | EXFUN (Fhash_table_size, 1); | |
2480 | EXFUN (Fhash_table_test, 1); | |
2481 | EXFUN (Fhash_table_weak, 1); | |
2482 | EXFUN (Fhash_table_p, 1); | |
2483 | EXFUN (Fclrhash, 1); | |
2484 | EXFUN (Fgethash, 3); | |
2485 | EXFUN (Fputhash, 3); | |
2486 | EXFUN (Fremhash, 2); | |
2487 | EXFUN (Fmaphash, 2); | |
2488 | EXFUN (Fdefine_hash_table_test, 3); | |
2489 | ||
2f69f2ec RS |
2490 | EXFUN (Fidentity, 1); |
2491 | EXFUN (Frandom, 1); | |
2492 | EXFUN (Flength, 1); | |
2493 | EXFUN (Fsafe_length, 1); | |
2494 | EXFUN (Fappend, MANY); | |
2495 | EXFUN (Fconcat, MANY); | |
2496 | EXFUN (Fvconcat, MANY); | |
2497 | EXFUN (Fcopy_sequence, 1); | |
b4e187e2 RS |
2498 | EXFUN (Fstring_make_multibyte, 1); |
2499 | EXFUN (Fstring_make_unibyte, 1); | |
2500 | EXFUN (Fstring_as_multibyte, 1); | |
2501 | EXFUN (Fstring_as_unibyte, 1); | |
35e36092 | 2502 | EXFUN (Fstring_to_multibyte, 1); |
b86cfd28 | 2503 | EXFUN (Fstring_to_unibyte, 1); |
2f69f2ec | 2504 | EXFUN (Fsubstring, 3); |
383e0970 | 2505 | extern Lisp_Object substring_both (Lisp_Object, int, int, int, int); |
2f69f2ec RS |
2506 | EXFUN (Fnth, 2); |
2507 | EXFUN (Fnthcdr, 2); | |
2508 | EXFUN (Fmemq, 2); | |
2509 | EXFUN (Fassq, 2); | |
2510 | EXFUN (Fassoc, 2); | |
2511 | EXFUN (Felt, 2); | |
2512 | EXFUN (Fmember, 2); | |
2513 | EXFUN (Frassq, 2); | |
2514 | EXFUN (Fdelq, 2); | |
e870dd89 | 2515 | EXFUN (Fdelete, 2); |
2f69f2ec RS |
2516 | EXFUN (Fsort, 2); |
2517 | EXFUN (Freverse, 1); | |
2518 | EXFUN (Fnreverse, 1); | |
2519 | EXFUN (Fget, 2); | |
2520 | EXFUN (Fput, 3); | |
2521 | EXFUN (Fequal, 2); | |
2522 | EXFUN (Ffillarray, 2); | |
2523 | EXFUN (Fnconc, MANY); | |
2524 | EXFUN (Fmapcar, 2); | |
2525 | EXFUN (Fmapconcat, 3); | |
2526 | EXFUN (Fy_or_n_p, 1); | |
383e0970 | 2527 | extern Lisp_Object do_yes_or_no_p (Lisp_Object); |
6f39b7c8 | 2528 | EXFUN (Frequire, 3); |
13598ab4 | 2529 | EXFUN (Fprovide, 2); |
383e0970 J |
2530 | extern Lisp_Object concat2 (Lisp_Object, Lisp_Object); |
2531 | extern Lisp_Object concat3 (Lisp_Object, Lisp_Object, Lisp_Object); | |
2532 | extern Lisp_Object nconc2 (Lisp_Object, Lisp_Object); | |
2533 | extern Lisp_Object assq_no_quit (Lisp_Object, Lisp_Object); | |
2534 | extern Lisp_Object assoc_no_quit (Lisp_Object, Lisp_Object); | |
2535 | extern void clear_string_char_byte_cache (void); | |
2536 | extern EMACS_INT string_char_to_byte (Lisp_Object, EMACS_INT); | |
2537 | extern EMACS_INT string_byte_to_char (Lisp_Object, EMACS_INT); | |
2538 | extern Lisp_Object string_make_multibyte (Lisp_Object); | |
2539 | extern Lisp_Object string_to_multibyte (Lisp_Object); | |
2540 | extern Lisp_Object string_make_unibyte (Lisp_Object); | |
2f69f2ec RS |
2541 | EXFUN (Fcopy_alist, 1); |
2542 | EXFUN (Fplist_get, 2); | |
5010d3b8 | 2543 | EXFUN (Fplist_put, 3); |
99982883 | 2544 | EXFUN (Fplist_member, 2); |
2f69f2ec RS |
2545 | EXFUN (Frassoc, 2); |
2546 | EXFUN (Fstring_equal, 2); | |
42d65b5f | 2547 | EXFUN (Fcompare_strings, 7); |
2f69f2ec | 2548 | EXFUN (Fstring_lessp, 2); |
383e0970 | 2549 | extern void syms_of_fns (void); |
2f69f2ec RS |
2550 | |
2551 | /* Defined in floatfns.c */ | |
383e0970 | 2552 | extern double extract_float (Lisp_Object); |
2f69f2ec | 2553 | EXFUN (Ffloat, 1); |
2f69f2ec | 2554 | EXFUN (Ftruncate, 2); |
383e0970 J |
2555 | extern void init_floatfns (void); |
2556 | extern void syms_of_floatfns (void); | |
3cfe6dfd | 2557 | |
6b61353c | 2558 | /* Defined in fringe.c */ |
383e0970 J |
2559 | extern void syms_of_fringe (void); |
2560 | extern void init_fringe (void); | |
2561 | extern void init_fringe_once (void); | |
6b61353c KH |
2562 | |
2563 | /* Defined in image.c */ | |
f81b59a3 | 2564 | EXFUN (Finit_image_library, 2); |
383e0970 J |
2565 | extern void syms_of_image (void); |
2566 | extern void init_image (void); | |
6b61353c | 2567 | |
c98adc1b | 2568 | /* Defined in insdel.c */ |
b8b31967 | 2569 | extern Lisp_Object Qinhibit_modification_hooks; |
ae19ba7c SM |
2570 | extern void move_gap (EMACS_INT); |
2571 | extern void move_gap_both (EMACS_INT, EMACS_INT); | |
2572 | extern void make_gap (EMACS_INT); | |
9628fed7 SM |
2573 | extern EMACS_INT copy_text (const unsigned char *, unsigned char *, |
2574 | EMACS_INT, int, int); | |
2575 | extern EMACS_INT count_size_as_multibyte (const unsigned char *, EMACS_INT); | |
ae19ba7c SM |
2576 | extern int count_combining_before (const unsigned char *, |
2577 | EMACS_INT, EMACS_INT, EMACS_INT); | |
2578 | extern int count_combining_after (const unsigned char *, | |
2579 | EMACS_INT, EMACS_INT, EMACS_INT); | |
2580 | extern void insert (const unsigned char *, EMACS_INT); | |
2581 | extern void insert_and_inherit (const unsigned char *, EMACS_INT); | |
2582 | extern void insert_1 (const unsigned char *, EMACS_INT, int, int, int); | |
2583 | extern void insert_1_both (const unsigned char *, EMACS_INT, EMACS_INT, | |
2584 | int, int, int); | |
2585 | extern void insert_from_gap (EMACS_INT, EMACS_INT); | |
2586 | extern void insert_from_string (Lisp_Object, EMACS_INT, EMACS_INT, | |
2587 | EMACS_INT, EMACS_INT, int); | |
2588 | extern void insert_from_buffer (struct buffer *, EMACS_INT, EMACS_INT, int); | |
2589 | extern void insert_char (int); | |
2590 | extern void insert_string (const char *); | |
2591 | extern void insert_before_markers (const unsigned char *, EMACS_INT); | |
2592 | extern void insert_before_markers_and_inherit (const unsigned char *, | |
2593 | EMACS_INT); | |
2594 | extern void insert_from_string_before_markers (Lisp_Object, EMACS_INT, | |
2595 | EMACS_INT, EMACS_INT, | |
2596 | EMACS_INT, int); | |
2597 | extern void del_range (EMACS_INT, EMACS_INT); | |
2598 | extern Lisp_Object del_range_1 (EMACS_INT, EMACS_INT, int, int); | |
2599 | extern void del_range_byte (EMACS_INT, EMACS_INT, int); | |
2600 | extern void del_range_both (EMACS_INT, EMACS_INT, EMACS_INT, EMACS_INT, int); | |
2601 | extern Lisp_Object del_range_2 (EMACS_INT, EMACS_INT, | |
2602 | EMACS_INT, EMACS_INT, int); | |
2603 | extern void modify_region (struct buffer *, EMACS_INT, EMACS_INT, int); | |
9628fed7 SM |
2604 | extern void prepare_to_modify_buffer (EMACS_INT, EMACS_INT, EMACS_INT *); |
2605 | extern void signal_before_change (EMACS_INT, EMACS_INT, EMACS_INT *); | |
ae19ba7c SM |
2606 | extern void signal_after_change (EMACS_INT, EMACS_INT, EMACS_INT); |
2607 | extern void adjust_after_replace (EMACS_INT, EMACS_INT, Lisp_Object, | |
2608 | EMACS_INT, EMACS_INT); | |
2609 | extern void adjust_after_replace_noundo (EMACS_INT, EMACS_INT, EMACS_INT, | |
2610 | EMACS_INT, EMACS_INT, EMACS_INT); | |
2611 | extern void adjust_after_insert (EMACS_INT, EMACS_INT, EMACS_INT, | |
2612 | EMACS_INT, EMACS_INT); | |
2613 | extern void adjust_markers_for_delete (EMACS_INT, EMACS_INT, | |
2614 | EMACS_INT, EMACS_INT); | |
2615 | extern void replace_range (EMACS_INT, EMACS_INT, Lisp_Object, int, int, int); | |
2616 | extern void replace_range_2 (EMACS_INT, EMACS_INT, EMACS_INT, EMACS_INT, | |
2617 | char *, EMACS_INT, EMACS_INT, int); | |
2618 | extern void syms_of_insdel (void); | |
c98adc1b | 2619 | |
1747fb16 | 2620 | /* Defined in dispnew.c */ |
37b793e6 | 2621 | extern Lisp_Object selected_frame; |
31ade731 | 2622 | extern EMACS_INT baud_rate; |
2f69f2ec | 2623 | EXFUN (Fding, 1); |
f5969ae9 | 2624 | EXFUN (Fredraw_frame, 1); |
2f69f2ec RS |
2625 | EXFUN (Fredraw_display, 0); |
2626 | EXFUN (Fsleep_for, 2); | |
ab9b1db5 | 2627 | EXFUN (Fredisplay, 1); |
383e0970 J |
2628 | extern Lisp_Object sit_for (Lisp_Object, int, int); |
2629 | extern void init_display (void); | |
2630 | extern void syms_of_display (void); | |
1747fb16 | 2631 | |
c98adc1b | 2632 | /* Defined in xdisp.c */ |
c6ae41f3 | 2633 | extern Lisp_Object Qinhibit_point_motion_hooks; |
016c7a15 | 2634 | extern Lisp_Object Qinhibit_redisplay, Qdisplay; |
04b80c65 | 2635 | extern Lisp_Object Qinhibit_eval_during_redisplay; |
25e38168 | 2636 | extern Lisp_Object Qmessage_truncate_lines; |
f904c0f9 | 2637 | extern Lisp_Object Qimage, Qtext, Qboth, Qboth_horiz; |
439ae27b | 2638 | extern Lisp_Object Vmessage_log_max; |
a1b5012f | 2639 | extern int message_enable_multibyte; |
986113df | 2640 | extern Lisp_Object echo_area_buffer[2]; |
383e0970 J |
2641 | extern void check_message_stack (void); |
2642 | extern void setup_echo_area_for_printing (int); | |
2643 | extern int push_message (void); | |
2644 | extern Lisp_Object pop_message_unwind (Lisp_Object); | |
2645 | extern Lisp_Object restore_message_unwind (Lisp_Object); | |
2646 | extern void pop_message (void); | |
2647 | extern void restore_message (void); | |
2648 | extern Lisp_Object current_message (void); | |
2649 | extern void set_message (const char *s, Lisp_Object, int, int); | |
2650 | extern void clear_message (int, int); | |
2651 | extern void message (/* char *, ... */); | |
2652 | extern void message_nolog (/* char *, ... */); | |
2653 | extern void message1 (char *); | |
2654 | extern void message1_nolog (char *); | |
2655 | extern void message2 (const char *, int, int); | |
2656 | extern void message2_nolog (const char *, int, int); | |
2657 | extern void message3 (Lisp_Object, int, int); | |
2658 | extern void message3_nolog (Lisp_Object, int, int); | |
2659 | extern void message_dolog (const char *, int, int, int); | |
2660 | extern void message_with_string (char *, Lisp_Object, int); | |
2661 | extern void message_log_maybe_newline (void); | |
2662 | extern void update_echo_area (void); | |
2663 | extern void truncate_echo_area (int); | |
2664 | extern void redisplay (void); | |
19481752 | 2665 | extern int check_point_in_composition |
383e0970 J |
2666 | (struct buffer *, int, struct buffer *, int); |
2667 | extern void redisplay_preserve_echo_area (int); | |
2668 | extern void prepare_menu_bars (void); | |
c4bf5bc3 | 2669 | |
383e0970 J |
2670 | void set_frame_cursor_types (struct frame *, Lisp_Object); |
2671 | extern void syms_of_xdisp (void); | |
2672 | extern void init_xdisp (void); | |
2673 | extern Lisp_Object safe_eval (Lisp_Object); | |
2674 | extern int pos_visible_p (struct window *, int, int *, | |
2675 | int *, int *, int *, int *, int *); | |
c98adc1b | 2676 | |
637fa988 | 2677 | /* Defined in xsettings.c */ |
383e0970 | 2678 | extern void syms_of_xsettings (void); |
637fa988 | 2679 | |
15b0ced5 | 2680 | /* Defined in vm-limit.c. */ |
3a35a84c | 2681 | extern void memory_warnings (POINTER_TYPE *, void (*warnfun) (char*)); |
9043c90a | 2682 | |
3cfe6dfd | 2683 | /* Defined in alloc.c */ |
383e0970 J |
2684 | extern void check_pure_size (void); |
2685 | extern void allocate_string_data (struct Lisp_String *, int, int); | |
2686 | extern void reset_malloc_hooks (void); | |
2687 | extern void uninterrupt_malloc (void); | |
2688 | extern void malloc_warning (char *); | |
2689 | extern void memory_full (void) NO_RETURN; | |
2690 | extern void buffer_memory_full (void) NO_RETURN; | |
2691 | extern int survives_gc_p (Lisp_Object); | |
2692 | extern void mark_object (Lisp_Object); | |
3cfe6dfd | 2693 | extern Lisp_Object Vpurify_flag; |
0cef4798 | 2694 | extern Lisp_Object Vmemory_full; |
2f69f2ec | 2695 | EXFUN (Fcons, 2); |
7e85c1aa | 2696 | EXFUN (list1, 1); |
b4e187e2 RS |
2697 | EXFUN (list2, 2); |
2698 | EXFUN (list3, 3); | |
2699 | EXFUN (list4, 4); | |
2700 | EXFUN (list5, 5); | |
2f69f2ec RS |
2701 | EXFUN (Flist, MANY); |
2702 | EXFUN (Fmake_list, 2); | |
383e0970 | 2703 | extern Lisp_Object allocate_misc (void); |
2f69f2ec RS |
2704 | EXFUN (Fmake_vector, 2); |
2705 | EXFUN (Fvector, MANY); | |
2706 | EXFUN (Fmake_symbol, 1); | |
2707 | EXFUN (Fmake_marker, 0); | |
2708 | EXFUN (Fmake_string, 2); | |
383e0970 J |
2709 | extern Lisp_Object build_string (const char *); |
2710 | extern Lisp_Object make_string (const char *, int); | |
2711 | extern Lisp_Object make_unibyte_string (const char *, int); | |
2712 | extern Lisp_Object make_multibyte_string (const char *, int, int); | |
2713 | extern Lisp_Object make_event_array (int, Lisp_Object *); | |
2714 | extern Lisp_Object make_uninit_string (int); | |
2715 | extern Lisp_Object make_uninit_multibyte_string (int, int); | |
2716 | extern Lisp_Object make_string_from_bytes (const char *, int, int); | |
2717 | extern Lisp_Object make_specified_string (const char *, int, int, int); | |
2f69f2ec | 2718 | EXFUN (Fpurecopy, 1); |
383e0970 | 2719 | extern Lisp_Object make_pure_string (const char *, int, int, int); |
5e2327cf | 2720 | extern Lisp_Object make_pure_c_string (const char *data); |
383e0970 J |
2721 | extern Lisp_Object pure_cons (Lisp_Object, Lisp_Object); |
2722 | extern Lisp_Object make_pure_vector (EMACS_INT); | |
2f69f2ec RS |
2723 | EXFUN (Fgarbage_collect, 0); |
2724 | EXFUN (Fmake_byte_code, MANY); | |
2725 | EXFUN (Fmake_bool_vector, 2); | |
7f73dc9d | 2726 | extern Lisp_Object Qchar_table_extra_slots; |
383e0970 J |
2727 | extern struct Lisp_Vector *allocate_vector (EMACS_INT); |
2728 | extern struct Lisp_Vector *allocate_pseudovector (int memlen, int lisplen, EMACS_INT tag); | |
30f95089 SM |
2729 | #define ALLOCATE_PSEUDOVECTOR(typ,field,tag) \ |
2730 | ((typ*) \ | |
2731 | allocate_pseudovector \ | |
2732 | (VECSIZE (typ), PSEUDOVECSIZE (typ, field), tag)) | |
383e0970 J |
2733 | extern struct Lisp_Hash_Table *allocate_hash_table (void); |
2734 | extern struct window *allocate_window (void); | |
2735 | extern struct frame *allocate_frame (void); | |
2736 | extern struct Lisp_Process *allocate_process (void); | |
2737 | extern struct terminal *allocate_terminal (void); | |
4d57802e | 2738 | extern int gc_in_progress; |
95684592 | 2739 | extern int abort_on_gc; |
383e0970 J |
2740 | extern Lisp_Object make_float (double); |
2741 | extern void display_malloc_warning (void); | |
2742 | extern int inhibit_garbage_collection (void); | |
2743 | extern Lisp_Object make_save_value (void *, int); | |
2744 | extern void free_misc (Lisp_Object); | |
2745 | extern void free_marker (Lisp_Object); | |
2746 | extern void free_cons (struct Lisp_Cons *); | |
2747 | extern void init_alloc_once (void); | |
2748 | extern void init_alloc (void); | |
2749 | extern void syms_of_alloc (void); | |
2750 | extern struct buffer * allocate_buffer (void); | |
2751 | extern int valid_lisp_object_p (Lisp_Object); | |
3cfe6dfd | 2752 | |
1842abb2 KH |
2753 | /* Defined in chartab.c */ |
2754 | EXFUN (Fmake_char_table, 2); | |
2755 | EXFUN (Fchar_table_parent, 1); | |
2756 | EXFUN (Fset_char_table_parent, 2); | |
2757 | EXFUN (Fchar_table_extra_slot, 2); | |
2758 | EXFUN (Fset_char_table_extra_slot, 3); | |
2759 | EXFUN (Fchar_table_range, 2); | |
2760 | EXFUN (Fset_char_table_range, 3); | |
2761 | EXFUN (Fset_char_table_default, 3); | |
d0827857 | 2762 | EXFUN (Foptimize_char_table, 2); |
1842abb2 | 2763 | EXFUN (Fmap_char_table, 2); |
383e0970 J |
2764 | extern Lisp_Object copy_char_table (Lisp_Object); |
2765 | extern Lisp_Object sub_char_table_ref (Lisp_Object, int); | |
2766 | extern Lisp_Object char_table_ref (Lisp_Object, int); | |
2767 | extern Lisp_Object char_table_ref_and_range (Lisp_Object, int, | |
2768 | int *, int *); | |
2769 | extern Lisp_Object char_table_set (Lisp_Object, int, Lisp_Object); | |
2770 | extern Lisp_Object char_table_set_range (Lisp_Object, int, int, | |
2771 | Lisp_Object); | |
2772 | extern int char_table_translate (Lisp_Object, int); | |
2773 | extern void map_char_table (void (*) (Lisp_Object, Lisp_Object, | |
2774 | Lisp_Object), | |
2775 | Lisp_Object, Lisp_Object, Lisp_Object); | |
2776 | extern void syms_of_chartab (void); | |
1842abb2 | 2777 | |
3cfe6dfd JB |
2778 | /* Defined in print.c */ |
2779 | extern Lisp_Object Vprin1_to_string_buffer; | |
383e0970 | 2780 | extern void debug_print (Lisp_Object); |
2f69f2ec RS |
2781 | EXFUN (Fprin1, 2); |
2782 | EXFUN (Fprin1_to_string, 2); | |
2783 | EXFUN (Fprinc, 2); | |
2784 | EXFUN (Fterpri, 1); | |
2785 | EXFUN (Fprint, 2); | |
2786 | EXFUN (Ferror_message_string, 1); | |
3cfe6dfd | 2787 | extern Lisp_Object Vstandard_output, Qstandard_output; |
9453ea7b | 2788 | extern Lisp_Object Qexternal_debugging_output; |
383e0970 | 2789 | extern void temp_output_buffer_setup (const char *); |
3cfe6dfd JB |
2790 | extern int print_level, print_escape_newlines; |
2791 | extern Lisp_Object Qprint_escape_newlines; | |
383e0970 J |
2792 | extern void write_string (char *, int); |
2793 | extern void write_string_1 (char *, int, Lisp_Object); | |
2794 | extern void print_error_message (Lisp_Object, Lisp_Object, char *, Lisp_Object); | |
526a2be7 | 2795 | extern Lisp_Object internal_with_output_to_temp_buffer |
383e0970 J |
2796 | (const char *, Lisp_Object (*) (Lisp_Object), Lisp_Object); |
2797 | extern void float_to_string (unsigned char *, double); | |
2798 | extern void syms_of_print (void); | |
526a2be7 AS |
2799 | |
2800 | /* Defined in doprnt.c */ | |
383e0970 | 2801 | extern int doprnt (char *, int, char *, char *, int, char **); |
3cfe6dfd JB |
2802 | |
2803 | /* Defined in lread.c */ | |
2804 | extern Lisp_Object Qvariable_documentation, Qstandard_input; | |
393306dd | 2805 | extern Lisp_Object Vobarray, initial_obarray, Vstandard_input; |
2f69f2ec RS |
2806 | EXFUN (Fread, 1); |
2807 | EXFUN (Fread_from_string, 3); | |
2808 | EXFUN (Fintern, 2); | |
2809 | EXFUN (Fintern_soft, 2); | |
5d8c7983 | 2810 | EXFUN (Fload, 5); |
3ceb69d9 | 2811 | EXFUN (Fget_load_suffixes, 0); |
2f69f2ec | 2812 | EXFUN (Fget_file_char, 0); |
0601ad0f CY |
2813 | EXFUN (Fread_char, 3); |
2814 | EXFUN (Fread_event, 3); | |
383e0970 | 2815 | extern Lisp_Object read_filtered_event (int, int, int, int, Lisp_Object); |
eb542c51 | 2816 | EXFUN (Feval_region, 4); |
383e0970 J |
2817 | extern Lisp_Object check_obarray (Lisp_Object); |
2818 | extern Lisp_Object intern (const char *); | |
5e2327cf | 2819 | extern Lisp_Object intern_c_string (const char *); |
383e0970 J |
2820 | extern Lisp_Object make_symbol (char *); |
2821 | extern Lisp_Object oblookup (Lisp_Object, const char *, int, int); | |
c5e3de70 | 2822 | #define LOADHIST_ATTACH(x) \ |
d6d23852 SM |
2823 | do { \ |
2824 | if (initialized) Vcurrent_load_list = Fcons (x, Vcurrent_load_list); \ | |
2825 | } while (0) | |
c5e3de70 | 2826 | extern Lisp_Object Vcurrent_load_list; |
3ceb69d9 | 2827 | extern Lisp_Object Vload_history, Vload_suffixes, Vload_file_rep_suffixes; |
383e0970 J |
2828 | extern int openp (Lisp_Object, Lisp_Object, Lisp_Object, |
2829 | Lisp_Object *, Lisp_Object); | |
2830 | extern int isfloat_string (char *, int); | |
2831 | extern void map_obarray (Lisp_Object, void (*) (Lisp_Object, Lisp_Object), | |
2832 | Lisp_Object); | |
2833 | extern void dir_warning (char *, Lisp_Object); | |
2834 | extern void close_load_descs (void); | |
2835 | extern void init_obarray (void); | |
2836 | extern void init_lread (void); | |
2837 | extern void syms_of_lread (void); | |
3cfe6dfd JB |
2838 | |
2839 | /* Defined in eval.c */ | |
2840 | extern Lisp_Object Qautoload, Qexit, Qinteractive, Qcommandp, Qdefun, Qmacro; | |
ad236261 | 2841 | extern Lisp_Object Vinhibit_quit, Qinhibit_quit, Vquit_flag; |
3cfe6dfd | 2842 | extern Lisp_Object Vautoload_queue; |
973e8873 | 2843 | extern Lisp_Object Vdebug_on_error; |
fab88cb7 | 2844 | extern Lisp_Object Vsignaling_function; |
21c5a64e | 2845 | extern int handling_signal; |
383e0970 | 2846 | extern int interactive_p (int); |
fab88cb7 | 2847 | |
f1b6e5fc SM |
2848 | /* To run a normal hook, use the appropriate function from the list below. |
2849 | The calling convention: | |
2850 | ||
846d69ac | 2851 | if (!NILP (Vrun_hooks)) |
f1b6e5fc SM |
2852 | call1 (Vrun_hooks, Qmy_funny_hook); |
2853 | ||
2854 | should no longer be used. */ | |
3cfe6dfd | 2855 | extern Lisp_Object Vrun_hooks; |
2f69f2ec RS |
2856 | EXFUN (Frun_hooks, MANY); |
2857 | EXFUN (Frun_hook_with_args, MANY); | |
2858 | EXFUN (Frun_hook_with_args_until_success, MANY); | |
2859 | EXFUN (Frun_hook_with_args_until_failure, MANY); | |
383e0970 J |
2860 | extern Lisp_Object run_hook_list_with_args (Lisp_Object, int, Lisp_Object *); |
2861 | extern void run_hook_with_args_2 (Lisp_Object, Lisp_Object, Lisp_Object); | |
2f69f2ec RS |
2862 | EXFUN (Fand, UNEVALLED); |
2863 | EXFUN (For, UNEVALLED); | |
2864 | EXFUN (Fif, UNEVALLED); | |
2865 | EXFUN (Fprogn, UNEVALLED); | |
2866 | EXFUN (Fprog1, UNEVALLED); | |
2867 | EXFUN (Fprog2, UNEVALLED); | |
2868 | EXFUN (Fsetq, UNEVALLED); | |
2869 | EXFUN (Fquote, UNEVALLED); | |
2870 | EXFUN (Fuser_variable_p, 1); | |
2871 | EXFUN (Finteractive_p, 0); | |
2872 | EXFUN (Fdefun, UNEVALLED); | |
2873 | EXFUN (Flet, UNEVALLED); | |
2874 | EXFUN (FletX, UNEVALLED); | |
2875 | EXFUN (Fwhile, UNEVALLED); | |
2876 | EXFUN (Fcatch, UNEVALLED); | |
fca99116 | 2877 | EXFUN (Fthrow, 2) NO_RETURN; |
2f69f2ec RS |
2878 | EXFUN (Funwind_protect, UNEVALLED); |
2879 | EXFUN (Fcondition_case, UNEVALLED); | |
834168ef | 2880 | EXFUN (Fsignal, 2); |
383e0970 J |
2881 | extern void xsignal (Lisp_Object, Lisp_Object) NO_RETURN; |
2882 | extern void xsignal0 (Lisp_Object) NO_RETURN; | |
2883 | extern void xsignal1 (Lisp_Object, Lisp_Object) NO_RETURN; | |
2884 | extern void xsignal2 (Lisp_Object, Lisp_Object, Lisp_Object) NO_RETURN; | |
2885 | extern void xsignal3 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object) NO_RETURN; | |
2886 | extern void signal_error (char *, Lisp_Object) NO_RETURN; | |
2f69f2ec | 2887 | EXFUN (Fautoload, 5); |
2a4d03b8 | 2888 | EXFUN (Fcommandp, 2); |
2f69f2ec RS |
2889 | EXFUN (Feval, 1); |
2890 | EXFUN (Fapply, MANY); | |
2891 | EXFUN (Ffuncall, MANY); | |
2892 | EXFUN (Fbacktrace, 0); | |
383e0970 J |
2893 | extern Lisp_Object apply1 (Lisp_Object, Lisp_Object); |
2894 | extern Lisp_Object call0 (Lisp_Object); | |
2895 | extern Lisp_Object call1 (Lisp_Object, Lisp_Object); | |
2896 | extern Lisp_Object call2 (Lisp_Object, Lisp_Object, Lisp_Object); | |
2897 | extern Lisp_Object call3 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object); | |
2898 | extern Lisp_Object call4 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object); | |
2899 | extern Lisp_Object call5 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object); | |
2900 | extern Lisp_Object call6 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object); | |
2901 | extern Lisp_Object call7 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object); | |
2f69f2ec | 2902 | EXFUN (Fdo_auto_save, 2); |
383e0970 J |
2903 | extern Lisp_Object apply_lambda (Lisp_Object, Lisp_Object, int); |
2904 | extern Lisp_Object internal_catch (Lisp_Object, Lisp_Object (*) (Lisp_Object), Lisp_Object); | |
2905 | extern Lisp_Object internal_lisp_condition_case (Lisp_Object, Lisp_Object, Lisp_Object); | |
2906 | extern Lisp_Object internal_condition_case (Lisp_Object (*) (void), Lisp_Object, Lisp_Object (*) (Lisp_Object)); | |
2907 | extern Lisp_Object internal_condition_case_1 (Lisp_Object (*) (Lisp_Object), Lisp_Object, Lisp_Object, Lisp_Object (*) (Lisp_Object)); | |
2908 | extern Lisp_Object internal_condition_case_2 (Lisp_Object (*) (Lisp_Object, Lisp_Object), Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object (*) (Lisp_Object)); | |
2909 | extern Lisp_Object internal_condition_case_n (Lisp_Object (*) (int, Lisp_Object *), int, Lisp_Object *, Lisp_Object, Lisp_Object (*) (Lisp_Object)); | |
2910 | extern void specbind (Lisp_Object, Lisp_Object); | |
2911 | extern void record_unwind_protect (Lisp_Object (*) (Lisp_Object), Lisp_Object); | |
2912 | extern Lisp_Object unbind_to (int, Lisp_Object); | |
2913 | extern void error (/* char *, ... */) NO_RETURN; | |
2914 | extern void do_autoload (Lisp_Object, Lisp_Object); | |
2915 | extern Lisp_Object un_autoload (Lisp_Object); | |
2f69f2ec | 2916 | EXFUN (Ffetch_bytecode, 1); |
383e0970 J |
2917 | extern void init_eval_once (void); |
2918 | extern Lisp_Object safe_call (int, Lisp_Object *); | |
2919 | extern Lisp_Object safe_call1 (Lisp_Object, Lisp_Object); | |
58555d81 | 2920 | extern Lisp_Object safe_call2 (Lisp_Object, Lisp_Object, Lisp_Object); |
383e0970 J |
2921 | extern void init_eval (void); |
2922 | extern void syms_of_eval (void); | |
3cfe6dfd JB |
2923 | |
2924 | /* Defined in editfns.c */ | |
5626cdef | 2925 | EXFUN (Fpropertize, MANY); |
986113df | 2926 | EXFUN (Fcurrent_message, 0); |
2f69f2ec RS |
2927 | EXFUN (Fgoto_char, 1); |
2928 | EXFUN (Fpoint_min_marker, 0); | |
2929 | EXFUN (Fpoint_max_marker, 0); | |
2930 | EXFUN (Fpoint_min, 0); | |
2931 | EXFUN (Fpoint_max, 0); | |
2932 | EXFUN (Fpoint, 0); | |
2933 | EXFUN (Fpoint_marker, 0); | |
2934 | EXFUN (Fmark_marker, 0); | |
2935 | EXFUN (Fline_beginning_position, 1); | |
2936 | EXFUN (Fline_end_position, 1); | |
2937 | EXFUN (Ffollowing_char, 0); | |
2938 | EXFUN (Fprevious_char, 0); | |
2939 | EXFUN (Fchar_after, 1); | |
2940 | EXFUN (Finsert, MANY); | |
2941 | EXFUN (Finsert_and_inherit, MANY); | |
2942 | EXFUN (Finsert_before_markers, MANY); | |
2943 | EXFUN (Finsert_buffer_substring, 3); | |
2944 | EXFUN (Finsert_char, 3); | |
383e0970 | 2945 | extern void insert1 (Lisp_Object); |
2f69f2ec RS |
2946 | EXFUN (Feolp, 0); |
2947 | EXFUN (Feobp, 0); | |
2948 | EXFUN (Fbolp, 0); | |
2949 | EXFUN (Fbobp, 0); | |
2950 | EXFUN (Fformat, MANY); | |
5010d3b8 | 2951 | EXFUN (Fmessage, MANY); |
383e0970 | 2952 | extern Lisp_Object format2 (char *, Lisp_Object, Lisp_Object); |
2f69f2ec RS |
2953 | EXFUN (Fbuffer_substring, 2); |
2954 | EXFUN (Fbuffer_string, 0); | |
383e0970 J |
2955 | extern Lisp_Object save_excursion_save (void); |
2956 | extern Lisp_Object save_restriction_save (void); | |
2957 | extern Lisp_Object save_excursion_restore (Lisp_Object); | |
2958 | extern Lisp_Object save_restriction_restore (Lisp_Object); | |
2f69f2ec RS |
2959 | EXFUN (Fchar_to_string, 1); |
2960 | EXFUN (Fdelete_region, 2); | |
2961 | EXFUN (Fnarrow_to_region, 2); | |
2962 | EXFUN (Fwiden, 0); | |
2963 | EXFUN (Fuser_login_name, 1); | |
2964 | EXFUN (Fsystem_name, 0); | |
f5969ae9 | 2965 | EXFUN (Fcurrent_time, 0); |
383e0970 J |
2966 | extern int clip_to_bounds (int, int, int); |
2967 | extern Lisp_Object make_buffer_string (int, int, int); | |
2968 | extern Lisp_Object make_buffer_string_both (int, int, int, int, int); | |
2969 | extern void init_editfns (void); | |
2970 | extern void syms_of_editfns (void); | |
8ca534c4 | 2971 | extern Lisp_Object Vinhibit_field_text_motion; |
8d0941fa | 2972 | EXFUN (Fconstrain_to_field, 5); |
4516715a DL |
2973 | EXFUN (Ffield_string, 1); |
2974 | EXFUN (Fdelete_field, 1); | |
89512fcd MB |
2975 | EXFUN (Ffield_beginning, 3); |
2976 | EXFUN (Ffield_end, 3); | |
4516715a | 2977 | EXFUN (Ffield_string_no_properties, 1); |
383e0970 | 2978 | extern void set_time_zone_rule (char *); |
3cfe6dfd | 2979 | |
78edd3b7 | 2980 | /* Defined in buffer.c */ |
383e0970 J |
2981 | extern int mouse_face_overlay_overlaps (Lisp_Object); |
2982 | extern void nsberror (Lisp_Object) NO_RETURN; | |
986113df | 2983 | EXFUN (Fset_buffer_multibyte, 1); |
2f69f2ec RS |
2984 | EXFUN (Foverlay_start, 1); |
2985 | EXFUN (Foverlay_end, 1); | |
b86cfd28 | 2986 | EXFUN (Foverlay_buffer, 1); |
383e0970 J |
2987 | extern void adjust_overlays_for_insert (EMACS_INT, EMACS_INT); |
2988 | extern void adjust_overlays_for_delete (EMACS_INT, EMACS_INT); | |
2989 | extern void fix_start_end_in_overlays (int, int); | |
2990 | extern void report_overlay_modification (Lisp_Object, Lisp_Object, int, | |
2991 | Lisp_Object, Lisp_Object, Lisp_Object); | |
2992 | extern int overlay_touches_p (int); | |
628300ba | 2993 | extern Lisp_Object Vbuffer_alist, Vinhibit_read_only; |
065a118d | 2994 | EXFUN (Fbuffer_list, 1); |
2f69f2ec RS |
2995 | EXFUN (Fget_buffer, 1); |
2996 | EXFUN (Fget_buffer_create, 1); | |
941caafe | 2997 | EXFUN (Fgenerate_new_buffer_name, 2); |
2f69f2ec | 2998 | EXFUN (Fset_buffer, 1); |
4a2f9c6a | 2999 | EXFUN (set_buffer_if_live, 1); |
2f69f2ec RS |
3000 | EXFUN (Fbarf_if_buffer_read_only, 0); |
3001 | EXFUN (Fcurrent_buffer, 0); | |
3002 | EXFUN (Fswitch_to_buffer, 2); | |
dbe7f1ef | 3003 | EXFUN (Fother_buffer, 3); |
2f69f2ec RS |
3004 | EXFUN (Foverlay_get, 2); |
3005 | EXFUN (Fbuffer_modified_p, 1); | |
3006 | EXFUN (Fset_buffer_modified_p, 1); | |
3007 | EXFUN (Fkill_buffer, 1); | |
3008 | EXFUN (Fkill_all_local_variables, 0); | |
3009 | EXFUN (Fbuffer_disable_undo, 1); | |
3010 | EXFUN (Fbuffer_enable_undo, 1); | |
3011 | EXFUN (Ferase_buffer, 0); | |
20280af7 | 3012 | extern Lisp_Object Qoverlayp; |
5fe2b5a5 | 3013 | extern Lisp_Object Qevaporate; |
383e0970 | 3014 | extern Lisp_Object get_truename_buffer (Lisp_Object); |
3cfe6dfd | 3015 | extern struct buffer *all_buffers; |
2f69f2ec | 3016 | EXFUN (Fprevious_overlay_change, 1); |
d7935eb6 | 3017 | EXFUN (Fbuffer_file_name, 1); |
383e0970 J |
3018 | extern void init_buffer_once (void); |
3019 | extern void init_buffer (void); | |
3020 | extern void syms_of_buffer (void); | |
3021 | extern void keys_of_buffer (void); | |
3cfe6dfd | 3022 | |
78edd3b7 | 3023 | /* Defined in marker.c */ |
3cfe6dfd | 3024 | |
2f69f2ec RS |
3025 | EXFUN (Fmarker_position, 1); |
3026 | EXFUN (Fmarker_buffer, 1); | |
3027 | EXFUN (Fcopy_marker, 2); | |
3028 | EXFUN (Fset_marker, 3); | |
383e0970 J |
3029 | extern int marker_position (Lisp_Object); |
3030 | extern int marker_byte_position (Lisp_Object); | |
3031 | extern void clear_charpos_cache (struct buffer *); | |
3032 | extern int charpos_to_bytepos (int); | |
3033 | extern int buf_charpos_to_bytepos (struct buffer *, int); | |
3034 | extern int buf_bytepos_to_charpos (struct buffer *, int); | |
3035 | extern void unchain_marker (struct Lisp_Marker *marker); | |
3036 | extern Lisp_Object set_marker_restricted (Lisp_Object, Lisp_Object, Lisp_Object); | |
3037 | extern Lisp_Object set_marker_both (Lisp_Object, Lisp_Object, int, int); | |
3038 | extern Lisp_Object set_marker_restricted_both (Lisp_Object, Lisp_Object, | |
3039 | int, int); | |
3040 | extern void syms_of_marker (void); | |
3cfe6dfd JB |
3041 | |
3042 | /* Defined in fileio.c */ | |
3043 | ||
3044 | extern Lisp_Object Qfile_error; | |
2f69f2ec RS |
3045 | EXFUN (Ffind_file_name_handler, 2); |
3046 | EXFUN (Ffile_name_as_directory, 1); | |
f5969ae9 | 3047 | EXFUN (Fmake_temp_name, 1); |
2f69f2ec RS |
3048 | EXFUN (Fexpand_file_name, 2); |
3049 | EXFUN (Ffile_name_nondirectory, 1); | |
3050 | EXFUN (Fsubstitute_in_file_name, 1); | |
3051 | EXFUN (Ffile_symlink_p, 1); | |
3052 | EXFUN (Fverify_visited_file_modtime, 1); | |
3053 | EXFUN (Ffile_exists_p, 1); | |
3054 | EXFUN (Ffile_name_absolute_p, 1); | |
3055 | EXFUN (Fdirectory_file_name, 1); | |
3056 | EXFUN (Ffile_name_directory, 1); | |
383e0970 | 3057 | extern Lisp_Object expand_and_dir_to_file (Lisp_Object, Lisp_Object); |
2f69f2ec RS |
3058 | EXFUN (Ffile_accessible_directory_p, 1); |
3059 | EXFUN (Funhandled_file_name_directory, 1); | |
3060 | EXFUN (Ffile_directory_p, 1); | |
b4e187e2 | 3061 | EXFUN (Fwrite_region, 7); |
2f69f2ec RS |
3062 | EXFUN (Ffile_readable_p, 1); |
3063 | EXFUN (Ffile_executable_p, 1); | |
fda1acc5 | 3064 | EXFUN (Fread_file_name, 6); |
383e0970 J |
3065 | extern Lisp_Object close_file_unwind (Lisp_Object); |
3066 | extern Lisp_Object restore_point_unwind (Lisp_Object); | |
3067 | extern void report_file_error (const char *, Lisp_Object) NO_RETURN; | |
3068 | extern int internal_delete_file (Lisp_Object); | |
3069 | extern void syms_of_fileio (void); | |
3070 | extern Lisp_Object make_temp_name (Lisp_Object, int); | |
453d8ee9 | 3071 | EXFUN (Fmake_symbolic_link, 3); |
b86cfd28 | 3072 | extern Lisp_Object Qdelete_file; |
3cfe6dfd JB |
3073 | |
3074 | /* Defined in abbrev.c */ | |
3075 | ||
383e0970 | 3076 | extern void syms_of_abbrev (void); |
3cfe6dfd | 3077 | |
78edd3b7 | 3078 | /* Defined in search.c */ |
383e0970 | 3079 | extern void shrink_regexp_cache (void); |
2f69f2ec | 3080 | EXFUN (Fstring_match, 3); |
383e0970 | 3081 | extern void restore_search_regs (void); |
5fe2b5a5 KS |
3082 | EXFUN (Fmatch_data, 3); |
3083 | EXFUN (Fset_match_data, 2); | |
2f69f2ec RS |
3084 | EXFUN (Fmatch_beginning, 1); |
3085 | EXFUN (Fmatch_end, 1); | |
383e0970 | 3086 | extern void record_unwind_save_match_data (void); |
651cd3da | 3087 | EXFUN (Flooking_at, 1); |
383e0970 J |
3088 | extern int fast_string_match (Lisp_Object, Lisp_Object); |
3089 | extern int fast_c_string_match_ignore_case (Lisp_Object, const char *); | |
3090 | extern int fast_string_match_ignore_case (Lisp_Object, Lisp_Object); | |
3091 | extern EMACS_INT fast_looking_at (Lisp_Object, EMACS_INT, EMACS_INT, | |
3092 | EMACS_INT, EMACS_INT, Lisp_Object); | |
3093 | extern int scan_buffer (int, EMACS_INT, EMACS_INT, int, int *, int); | |
3094 | extern int scan_newline (EMACS_INT, EMACS_INT, EMACS_INT, EMACS_INT, | |
3095 | int, int); | |
3096 | extern int find_next_newline (EMACS_INT, int); | |
3097 | extern int find_next_newline_no_quit (EMACS_INT, int); | |
3098 | extern int find_before_next_newline (EMACS_INT, EMACS_INT, int); | |
3099 | extern void syms_of_search (void); | |
3100 | extern void clear_regexp_cache (void); | |
3cfe6dfd | 3101 | |
78edd3b7 | 3102 | /* Defined in minibuf.c */ |
3cfe6dfd JB |
3103 | |
3104 | extern Lisp_Object last_minibuf_string; | |
383e0970 | 3105 | extern void choose_minibuf_frame (void); |
5593f7e3 | 3106 | EXFUN (Fcompleting_read, 8); |
2c960667 | 3107 | EXFUN (Fread_from_minibuffer, 7); |
2f69f2ec RS |
3108 | EXFUN (Fread_variable, 2); |
3109 | EXFUN (Fread_buffer, 3); | |
3110 | EXFUN (Fread_minibuffer, 2); | |
3111 | EXFUN (Feval_minibuffer, 2); | |
5593f7e3 KH |
3112 | EXFUN (Fread_string, 5); |
3113 | EXFUN (Fread_no_blanks_input, 3); | |
f85064bd | 3114 | EXFUN (Fassoc_string, 3); |
383e0970 J |
3115 | extern Lisp_Object get_minibuffer (int); |
3116 | extern void temp_echo_area_glyphs (Lisp_Object); | |
3117 | extern void init_minibuf_once (void); | |
3118 | extern void syms_of_minibuf (void); | |
3cfe6dfd JB |
3119 | |
3120 | /* Defined in callint.c */ | |
3121 | ||
de7885bb | 3122 | extern Lisp_Object Qminus, Qplus, Vcurrent_prefix_arg; |
3cfe6dfd | 3123 | extern Lisp_Object Vcommand_history; |
7fd61057 | 3124 | extern Lisp_Object Qcall_interactively, Qmouse_leave_buffer_hook; |
2f69f2ec RS |
3125 | EXFUN (Fcall_interactively, 3); |
3126 | EXFUN (Fprefix_numeric_value, 1); | |
383e0970 | 3127 | extern void syms_of_callint (void); |
3cfe6dfd | 3128 | |
78edd3b7 | 3129 | /* Defined in casefiddle.c */ |
3cfe6dfd | 3130 | |
2f69f2ec RS |
3131 | EXFUN (Fdowncase, 1); |
3132 | EXFUN (Fupcase, 1); | |
3133 | EXFUN (Fcapitalize, 1); | |
3134 | EXFUN (Fupcase_region, 2); | |
3135 | EXFUN (Fupcase_initials, 1); | |
3136 | EXFUN (Fupcase_initials_region, 2); | |
383e0970 J |
3137 | extern void syms_of_casefiddle (void); |
3138 | extern void keys_of_casefiddle (void); | |
3cfe6dfd | 3139 | |
78edd3b7 | 3140 | /* Defined in casetab.c */ |
1747fb16 | 3141 | |
2f69f2ec RS |
3142 | EXFUN (Fset_case_table, 1); |
3143 | EXFUN (Fset_standard_case_table, 1); | |
383e0970 J |
3144 | extern void init_casetab_once (void); |
3145 | extern void syms_of_casetab (void); | |
1747fb16 | 3146 | |
78edd3b7 | 3147 | /* Defined in keyboard.c */ |
3cfe6dfd | 3148 | |
54cd1651 GM |
3149 | extern int echoing; |
3150 | extern Lisp_Object echo_message_buffer; | |
417750de | 3151 | extern struct kboard *echo_kboard; |
383e0970 | 3152 | extern void cancel_echoing (void); |
1425dcb6 | 3153 | extern Lisp_Object Qdisabled, QCfilter; |
4b657f72 | 3154 | extern Lisp_Object Vtty_erase_char, Vhelp_form, Vtop_level; |
08fdede6 | 3155 | extern Lisp_Object Vthrow_on_input; |
8e7bd231 | 3156 | extern int input_pending; |
2f69f2ec RS |
3157 | EXFUN (Fdiscard_input, 0); |
3158 | EXFUN (Frecursive_edit, 0); | |
04d7d066 | 3159 | EXFUN (Ftop_level, 0); |
2f69f2ec RS |
3160 | EXFUN (Fcommand_execute, 4); |
3161 | EXFUN (Finput_pending_p, 0); | |
383e0970 J |
3162 | extern Lisp_Object menu_bar_items (Lisp_Object); |
3163 | extern Lisp_Object tool_bar_items (Lisp_Object, int *); | |
f498e3b2 | 3164 | extern Lisp_Object Qvertical_scroll_bar; |
383e0970 | 3165 | extern void discard_mouse_events (void); |
2f69f2ec | 3166 | EXFUN (Fevent_convert_list, 1); |
e271fdb3 | 3167 | EXFUN (Fread_key_sequence, 5); |
a712a8c3 KL |
3168 | EXFUN (Fset_input_interrupt_mode, 1); |
3169 | EXFUN (Fset_output_flow_control, 2); | |
3170 | EXFUN (Fset_input_meta_mode, 2); | |
3171 | EXFUN (Fset_quit_char, 1); | |
526a2be7 | 3172 | EXFUN (Fset_input_mode, 4); |
58555d81 | 3173 | extern Lisp_Object pending_funcalls; |
383e0970 J |
3174 | extern int detect_input_pending (void); |
3175 | extern int detect_input_pending_ignore_squeezables (void); | |
3176 | extern int detect_input_pending_run_timers (int); | |
3177 | extern void safe_run_hooks (Lisp_Object); | |
3178 | extern void cmd_error_internal (Lisp_Object, char *); | |
3179 | extern Lisp_Object command_loop_1 (void); | |
3180 | extern Lisp_Object recursive_edit_1 (void); | |
3181 | extern void record_auto_save (void); | |
3182 | extern void init_keyboard (void); | |
3183 | extern void syms_of_keyboard (void); | |
3184 | extern void keys_of_keyboard (void); | |
3185 | extern char *push_key_description (unsigned int, char *, int); | |
3cfe6dfd | 3186 | |
3cfe6dfd | 3187 | |
78edd3b7 | 3188 | /* Defined in indent.c */ |
2f69f2ec RS |
3189 | EXFUN (Fvertical_motion, 2); |
3190 | EXFUN (Findent_to, 2); | |
3191 | EXFUN (Fcurrent_column, 0); | |
3192 | EXFUN (Fmove_to_column, 2); | |
383e0970 J |
3193 | extern double current_column (void); |
3194 | extern void invalidate_current_column (void); | |
3195 | extern int indented_beyond_p (int, int, double); | |
3196 | extern void syms_of_indent (void); | |
3cfe6dfd | 3197 | |
78edd3b7 | 3198 | /* Defined in frame.c */ |
a433994a ST |
3199 | #ifdef HAVE_WINDOW_SYSTEM |
3200 | extern Lisp_Object Vx_resource_name; | |
3201 | extern Lisp_Object Vx_resource_class; | |
3202 | #endif /* HAVE_WINDOW_SYSTEM */ | |
362fb47a | 3203 | extern Lisp_Object Qvisible; |
383e0970 J |
3204 | extern void store_frame_param (struct frame *, Lisp_Object, Lisp_Object); |
3205 | extern void store_in_alist (Lisp_Object *, Lisp_Object, Lisp_Object); | |
3206 | extern Lisp_Object do_switch_frame (Lisp_Object, int, int, Lisp_Object); | |
3207 | extern Lisp_Object get_frame_param (struct frame *, Lisp_Object); | |
3208 | extern Lisp_Object frame_buffer_predicate (Lisp_Object); | |
2f69f2ec | 3209 | EXFUN (Fframep, 1); |
9e61f0d7 | 3210 | EXFUN (Fselect_frame, 2); |
2f69f2ec RS |
3211 | EXFUN (Fselected_frame, 0); |
3212 | EXFUN (Fwindow_frame, 1); | |
3213 | EXFUN (Fframe_root_window, 1); | |
3214 | EXFUN (Fframe_first_window, 1); | |
3215 | EXFUN (Fframe_selected_window, 1); | |
3216 | EXFUN (Fframe_list, 0); | |
3217 | EXFUN (Fnext_frame, 2); | |
3218 | EXFUN (Fdelete_frame, 2); | |
3219 | EXFUN (Fset_mouse_position, 3); | |
3220 | EXFUN (Fmake_frame_visible, 1); | |
3221 | EXFUN (Fmake_frame_invisible, 2); | |
3222 | EXFUN (Ficonify_frame, 1); | |
3223 | EXFUN (Fframe_visible_p, 1); | |
3224 | EXFUN (Fvisible_frame_list, 0); | |
4560730a | 3225 | EXFUN (Fframe_parameter, 2); |
2f69f2ec RS |
3226 | EXFUN (Fframe_parameters, 1); |
3227 | EXFUN (Fmodify_frame_parameters, 2); | |
3228 | EXFUN (Fset_frame_height, 3); | |
3229 | EXFUN (Fset_frame_width, 3); | |
3230 | EXFUN (Fset_frame_size, 3); | |
3231 | EXFUN (Fset_frame_position, 3); | |
3232 | EXFUN (Fraise_frame, 1); | |
3233 | EXFUN (Fredirect_frame_focus, 2); | |
9e61f0d7 | 3234 | EXFUN (Fset_frame_selected_window, 3); |
383e0970 J |
3235 | extern Lisp_Object frame_buffer_list (Lisp_Object); |
3236 | extern void frames_discard_buffer (Lisp_Object); | |
3237 | extern void set_frame_buffer_list (Lisp_Object, Lisp_Object); | |
3238 | extern void frames_bury_buffer (Lisp_Object); | |
3239 | extern void syms_of_frame (void); | |
3cfe6dfd | 3240 | |
78edd3b7 | 3241 | /* Defined in emacs.c */ |
383e0970 | 3242 | extern Lisp_Object decode_env_path (char *, char *); |
3530d534 | 3243 | extern Lisp_Object Vinvocation_name, Vinvocation_directory; |
c1e4ceb7 | 3244 | extern Lisp_Object Vbefore_init_time, Vafter_init_time; |
2c668b9a JB |
3245 | extern Lisp_Object Vinstallation_directory; |
3246 | extern Lisp_Object empty_unibyte_string, empty_multibyte_string; | |
2f69f2ec | 3247 | EXFUN (Fkill_emacs, 1); |
68c45bf0 | 3248 | #if HAVE_SETLOCALE |
383e0970 J |
3249 | void fixup_locale (void); |
3250 | void synchronize_system_messages_locale (void); | |
3251 | void synchronize_system_time_locale (void); | |
68c45bf0 PE |
3252 | #else |
3253 | #define setlocale(category, locale) | |
3254 | #define fixup_locale() | |
ca9c0567 PE |
3255 | #define synchronize_system_messages_locale() |
3256 | #define synchronize_system_time_locale() | |
68c45bf0 | 3257 | #endif |
383e0970 | 3258 | void shut_down_emacs (int, int, Lisp_Object); |
78edd3b7 | 3259 | /* Nonzero means don't do interactive redisplay and don't change tty modes. */ |
3cfe6dfd | 3260 | extern int noninteractive; |
ff808935 | 3261 | |
8686ac71 JB |
3262 | /* Nonzero means don't load X resources or Windows Registry settings. */ |
3263 | extern int inhibit_x_resources; | |
3264 | ||
ff808935 DN |
3265 | /* Pipe used to send exit notification to the daemon parent at |
3266 | startup. */ | |
3267 | extern int daemon_pipe[2]; | |
3268 | #define IS_DAEMON (daemon_pipe[1] != 0) | |
3269 | ||
78edd3b7 | 3270 | /* Nonzero means don't do use window-system-specific display code. */ |
3cfe6dfd | 3271 | extern int inhibit_window_system; |
99a3d506 | 3272 | /* Nonzero means that a filter or a sentinel is running. */ |
7074fde6 | 3273 | extern int running_asynch_code; |
3cfe6dfd | 3274 | |
78edd3b7 | 3275 | /* Defined in process.c */ |
2f69f2ec RS |
3276 | EXFUN (Fget_process, 1); |
3277 | EXFUN (Fget_buffer_process, 1); | |
3278 | EXFUN (Fprocessp, 1); | |
3279 | EXFUN (Fprocess_status, 1); | |
3280 | EXFUN (Fkill_process, 2); | |
3281 | EXFUN (Fprocess_send_eof, 1); | |
3282 | EXFUN (Fwaiting_for_user_input_p, 0); | |
6efad63b | 3283 | extern Lisp_Object Qprocessp; |
383e0970 J |
3284 | extern void kill_buffer_processes (Lisp_Object); |
3285 | extern int wait_reading_process_output (int, int, int, int, | |
3286 | Lisp_Object, | |
3287 | struct Lisp_Process *, | |
3288 | int); | |
3289 | extern void add_keyboard_wait_descriptor (int); | |
3290 | extern void delete_keyboard_wait_descriptor (int); | |
3291 | extern void add_gpm_wait_descriptor (int); | |
3292 | extern void delete_gpm_wait_descriptor (int); | |
3293 | extern void close_process_descs (void); | |
3294 | extern void init_process (void); | |
3295 | extern void syms_of_process (void); | |
3296 | extern void setup_process_coding_systems (Lisp_Object); | |
3cfe6dfd | 3297 | |
78edd3b7 | 3298 | /* Defined in callproc.c */ |
183d1833 SM |
3299 | extern Lisp_Object Vexec_path, Vexec_suffixes, |
3300 | Vexec_directory, Vdata_directory; | |
c65be0e1 | 3301 | extern Lisp_Object Vdoc_directory; |
f5969ae9 | 3302 | EXFUN (Fcall_process, MANY); |
383e0970 J |
3303 | extern int child_setup (int, int, int, char **, int, Lisp_Object); |
3304 | extern void init_callproc_1 (void); | |
3305 | extern void init_callproc (void); | |
3306 | extern void set_initial_environment (void); | |
3307 | extern void syms_of_callproc (void); | |
3cfe6dfd | 3308 | |
78edd3b7 | 3309 | /* Defined in doc.c */ |
3cfe6dfd | 3310 | extern Lisp_Object Vdoc_file_name; |
2f69f2ec RS |
3311 | EXFUN (Fsubstitute_command_keys, 1); |
3312 | EXFUN (Fdocumentation, 2); | |
3313 | EXFUN (Fdocumentation_property, 3); | |
383e0970 J |
3314 | extern Lisp_Object read_doc_string (Lisp_Object); |
3315 | extern Lisp_Object get_doc_string (Lisp_Object, int, int); | |
3316 | extern void syms_of_doc (void); | |
3317 | extern int read_bytecode_char (int); | |
3cfe6dfd | 3318 | |
78edd3b7 | 3319 | /* Defined in bytecode.c */ |
3cfe6dfd | 3320 | extern Lisp_Object Qbytecode; |
2f69f2ec | 3321 | EXFUN (Fbyte_code, 3); |
383e0970 | 3322 | extern void syms_of_bytecode (void); |
35c7a974 | 3323 | extern struct byte_stack *byte_stack_list; |
383e0970 J |
3324 | extern void mark_byte_stack (void); |
3325 | extern void unmark_byte_stack (void); | |
3cfe6dfd | 3326 | |
78edd3b7 | 3327 | /* Defined in macros.c */ |
3cfe6dfd | 3328 | extern Lisp_Object Qexecute_kbd_macro; |
a361276f | 3329 | EXFUN (Fexecute_kbd_macro, 3); |
35e36092 | 3330 | EXFUN (Fcancel_kbd_macro_events, 0); |
383e0970 J |
3331 | extern void init_macros (void); |
3332 | extern void syms_of_macros (void); | |
3cfe6dfd | 3333 | |
78edd3b7 | 3334 | /* Defined in undo.c */ |
a387611b | 3335 | extern Lisp_Object Qinhibit_read_only; |
2f69f2ec | 3336 | EXFUN (Fundo_boundary, 0); |
383e0970 J |
3337 | extern void truncate_undo_list (struct buffer *); |
3338 | extern void record_marker_adjustment (Lisp_Object, int); | |
3339 | extern void record_insert (int, int); | |
3340 | extern void record_delete (int, Lisp_Object); | |
3341 | extern void record_first_change (void); | |
3342 | extern void record_change (int, int); | |
3343 | extern void record_property_change (int, int, Lisp_Object, Lisp_Object, | |
3344 | Lisp_Object); | |
3345 | extern void syms_of_undo (void); | |
8e43e4b2 | 3346 | extern Lisp_Object Vundo_outer_limit; |
d20c2151 | 3347 | |
78edd3b7 | 3348 | /* Defined in textprop.c */ |
5f6bf5fe | 3349 | extern Lisp_Object Qfont, Qmouse_face; |
c2d8811c | 3350 | extern Lisp_Object Qinsert_in_front_hooks, Qinsert_behind_hooks; |
2f69f2ec | 3351 | EXFUN (Fnext_single_property_change, 4); |
5433ffa5 | 3352 | EXFUN (Fnext_single_char_property_change, 4); |
2f69f2ec RS |
3353 | EXFUN (Fprevious_single_property_change, 4); |
3354 | EXFUN (Fget_text_property, 3); | |
3355 | EXFUN (Fput_text_property, 5); | |
4d0ac3d7 | 3356 | EXFUN (Fget_text_property, 3); |
2f69f2ec RS |
3357 | EXFUN (Fprevious_char_property_change, 2); |
3358 | EXFUN (Fnext_char_property_change, 2); | |
383e0970 J |
3359 | extern void report_interval_modification (Lisp_Object, Lisp_Object); |
3360 | extern Lisp_Object next_single_char_property_change (Lisp_Object, | |
3361 | Lisp_Object, | |
3362 | Lisp_Object, | |
3363 | Lisp_Object); | |
8537f1cb | 3364 | |
78edd3b7 | 3365 | /* Defined in menu.c */ |
383e0970 | 3366 | extern void syms_of_menu (void); |
febcacdd | 3367 | |
78edd3b7 | 3368 | /* Defined in xmenu.c */ |
2f69f2ec | 3369 | EXFUN (Fx_popup_menu, 2); |
897001fe | 3370 | EXFUN (Fx_popup_dialog, 3); |
383e0970 | 3371 | extern void syms_of_xmenu (void); |
526a2be7 | 3372 | |
78edd3b7 | 3373 | /* Defined in termchar.h */ |
28d7d09f KL |
3374 | struct tty_display_info; |
3375 | ||
78edd3b7 | 3376 | /* Defined in termhooks.h */ |
6ed8eeff | 3377 | struct terminal; |
28d440ab | 3378 | |
78edd3b7 | 3379 | /* Defined in sysdep.c */ |
2412f586 | 3380 | #ifndef HAVE_GET_CURRENT_DIR_NAME |
383e0970 | 3381 | extern char *get_current_dir_name (void); |
2b94e598 | 3382 | #endif |
383e0970 J |
3383 | extern void stuff_char (char c); |
3384 | extern void init_sigio (int); | |
3385 | extern void sys_subshell (void); | |
3386 | extern void sys_suspend (void); | |
3387 | extern void discard_tty_input (void); | |
3388 | extern void init_sys_modes (struct tty_display_info *); | |
3389 | extern void reset_sys_modes (struct tty_display_info *); | |
3390 | extern void init_all_sys_modes (void); | |
3391 | extern void reset_all_sys_modes (void); | |
3392 | extern void wait_for_termination (int); | |
3393 | extern void flush_pending_output (int); | |
3394 | extern void child_setup_tty (int); | |
3395 | extern void setup_pty (int); | |
3396 | extern int set_window_size (int, int, int); | |
3397 | extern void create_process (Lisp_Object, char **, Lisp_Object); | |
3398 | extern int emacs_open (const char *, int, int); | |
3399 | extern int emacs_close (int); | |
3400 | extern int emacs_read (int, char *, unsigned int); | |
3401 | extern int emacs_write (int, const char *, unsigned int); | |
72af86bd AS |
3402 | #ifndef HAVE_MEMSET |
3403 | extern void *memset P_ ((void *, int, size_t)); | |
3404 | #endif | |
3405 | #ifndef HAVE_MEMCPY | |
3406 | extern void *memcpy P_ ((void *, void *, size_t)); | |
3407 | #endif | |
3408 | #ifndef HAVE_MEMMOVE | |
3409 | extern void *memmove P_ ((void *, void *, size_t)); | |
3410 | #endif | |
3411 | #ifndef HAVE_MEMCMP | |
3412 | extern int memcmp P_ ((void *, void *, size_t)); | |
3413 | #endif | |
526a2be7 | 3414 | |
78edd3b7 | 3415 | /* Defined in filelock.c */ |
526a2be7 | 3416 | EXFUN (Funlock_buffer, 0); |
9ae8d912 | 3417 | EXFUN (Ffile_locked_p, 1); |
383e0970 J |
3418 | extern void unlock_all_files (void); |
3419 | extern void lock_file (Lisp_Object); | |
3420 | extern void unlock_file (Lisp_Object); | |
3421 | extern void unlock_buffer (struct buffer *); | |
3422 | extern void syms_of_filelock (void); | |
3423 | extern void init_filelock (void); | |
15b0ced5 GM |
3424 | |
3425 | /* Defined in sound.c */ | |
383e0970 J |
3426 | extern void syms_of_sound (void); |
3427 | extern void init_sound (void); | |
46abf440 AS |
3428 | |
3429 | /* Defined in category.c */ | |
383e0970 J |
3430 | extern void init_category_once (void); |
3431 | extern Lisp_Object char_category_set (int); | |
3432 | extern void syms_of_category (void); | |
46abf440 AS |
3433 | |
3434 | /* Defined in ccl.c */ | |
383e0970 | 3435 | extern void syms_of_ccl (void); |
46abf440 AS |
3436 | |
3437 | /* Defined in dired.c */ | |
6b61353c | 3438 | EXFUN (Ffile_attributes, 2); |
383e0970 J |
3439 | extern void syms_of_dired (void); |
3440 | extern Lisp_Object directory_files_internal (Lisp_Object, Lisp_Object, | |
3441 | Lisp_Object, Lisp_Object, | |
3442 | int, Lisp_Object); | |
46abf440 | 3443 | |
46abf440 | 3444 | /* Defined in term.c */ |
383e0970 J |
3445 | extern void syms_of_term (void); |
3446 | extern void fatal (const char *msgid, ...) NO_RETURN; | |
46abf440 | 3447 | |
ed8dad6b | 3448 | /* Defined in terminal.c */ |
ce5b453a | 3449 | EXFUN (Fframe_terminal, 1); |
c2e42690 | 3450 | EXFUN (Fdelete_terminal, 2); |
383e0970 | 3451 | extern void syms_of_terminal (void); |
ed8dad6b | 3452 | |
b86cfd28 | 3453 | /* Defined in font.c */ |
383e0970 J |
3454 | extern void syms_of_font (void); |
3455 | extern void init_font (void); | |
b86cfd28 | 3456 | |
4f48f1ab | 3457 | #ifdef HAVE_WINDOW_SYSTEM |
46abf440 | 3458 | /* Defined in fontset.c */ |
383e0970 | 3459 | extern void syms_of_fontset (void); |
957e7394 | 3460 | EXFUN (Fset_fontset_font, 5); |
c497dce4 | 3461 | EXFUN (Fnew_fontset, 2); |
4f48f1ab YM |
3462 | |
3463 | /* Defined in xfns.c, w32fns.c, or macfns.c */ | |
3464 | EXFUN (Fxw_display_color_p, 1); | |
3465 | EXFUN (Fx_file_dialog, 5); | |
c95a5008 | 3466 | EXFUN (Fx_focus_frame, 1); |
46abf440 AS |
3467 | #endif |
3468 | ||
3469 | /* Defined in xfaces.c */ | |
8071c00f | 3470 | EXFUN (Fclear_face_cache, 1); |
86fa089e | 3471 | EXFUN (Fx_load_color_file, 1); |
383e0970 | 3472 | extern void syms_of_xfaces (void); |
46abf440 | 3473 | |
8890220d | 3474 | #ifndef HAVE_GETLOADAVG |
7de6c766 | 3475 | /* Defined in getloadavg.c */ |
383e0970 | 3476 | extern int getloadavg (double *, int); |
8890220d | 3477 | #endif |
7de6c766 | 3478 | |
46abf440 AS |
3479 | #ifdef HAVE_X_WINDOWS |
3480 | /* Defined in xfns.c */ | |
383e0970 | 3481 | extern void syms_of_xfns (void); |
46abf440 | 3482 | |
e02207d4 | 3483 | /* Defined in xsmfns.c */ |
383e0970 | 3484 | extern void syms_of_xsmfns (void); |
e02207d4 | 3485 | |
46abf440 | 3486 | /* Defined in xselect.c */ |
8071c00f | 3487 | EXFUN (Fx_send_client_event, 6); |
383e0970 | 3488 | extern void syms_of_xselect (void); |
46abf440 AS |
3489 | |
3490 | /* Defined in xterm.c */ | |
383e0970 | 3491 | extern void syms_of_xterm (void); |
4f48f1ab | 3492 | #endif /* HAVE_X_WINDOWS */ |
4baa6f88 | 3493 | |
7af07b96 AS |
3494 | #ifdef HAVE_WINDOW_SYSTEM |
3495 | /* Defined in xterm.c, nsterm.m, w32term.c */ | |
3496 | extern char *x_get_keysym_name (int); | |
3497 | #endif /* HAVE_WINDOW_SYSTEM */ | |
3498 | ||
b7f34997 AS |
3499 | #ifdef MSDOS |
3500 | /* Defined in msdos.c */ | |
3501 | EXFUN (Fmsdos_downcase_filename, 1); | |
3502 | #endif | |
4f48f1ab | 3503 | |
4d0ac3d7 | 3504 | #ifdef HAVE_MENUS |
07b87a10 | 3505 | /* Defined in (x|w32)fns.c, nsfns.m... */ |
383e0970 | 3506 | extern int have_menus_p (void); |
4d0ac3d7 | 3507 | #endif |
b86cfd28 EZ |
3508 | |
3509 | #ifdef HAVE_DBUS | |
3510 | /* Defined in dbusbind.c */ | |
383e0970 J |
3511 | int xd_pending_messages (void); |
3512 | void xd_read_queued_messages (void); | |
3513 | void syms_of_dbusbind (void); | |
b86cfd28 | 3514 | #endif |
83925baa | 3515 | \f |
3cfe6dfd JB |
3516 | /* Nonzero means Emacs has already been initialized. |
3517 | Used during startup to detect startup of dumped Emacs. */ | |
3518 | extern int initialized; | |
3519 | ||
3520 | extern int immediate_quit; /* Nonzero means ^G can quit instantly */ | |
3521 | ||
383e0970 J |
3522 | extern POINTER_TYPE *xmalloc (size_t); |
3523 | extern POINTER_TYPE *xrealloc (POINTER_TYPE *, size_t); | |
3524 | extern void xfree (POINTER_TYPE *); | |
074b6efe | 3525 | |
383e0970 | 3526 | extern char *xstrdup (const char *); |
3cfe6dfd | 3527 | |
383e0970 | 3528 | extern char *egetenv (char *); |
e98227af | 3529 | |
5d6be39f | 3530 | /* Set up the name of the machine we're running on. */ |
383e0970 | 3531 | extern void init_system_name (void); |
881a5a80 RS |
3532 | |
3533 | /* Some systems (e.g., NT) use a different path separator than Unix, | |
087fc47a | 3534 | in addition to a device separator. Set the path separator |
881a5a80 RS |
3535 | to '/', and don't test for a device separator in IS_ANY_SEP. */ |
3536 | ||
881a5a80 | 3537 | #define DIRECTORY_SEP '/' |
881a5a80 RS |
3538 | #ifndef IS_DIRECTORY_SEP |
3539 | #define IS_DIRECTORY_SEP(_c_) ((_c_) == DIRECTORY_SEP) | |
3540 | #endif | |
3541 | #ifndef IS_DEVICE_SEP | |
3542 | #ifndef DEVICE_SEP | |
3543 | #define IS_DEVICE_SEP(_c_) 0 | |
3544 | #else | |
3545 | #define IS_DEVICE_SEP(_c_) ((_c_) == DEVICE_SEP) | |
3546 | #endif | |
3547 | #endif | |
3548 | #ifndef IS_ANY_SEP | |
3549 | #define IS_ANY_SEP(_c_) (IS_DIRECTORY_SEP (_c_)) | |
3550 | #endif | |
51bd4610 | 3551 | |
51bd4610 | 3552 | #define SWITCH_ENUM_CAST(x) (x) |
a32fa736 GM |
3553 | |
3554 | /* Loop over Lisp list LIST. Signal an error if LIST is not a proper | |
3555 | list, or if it contains circles. | |
e2c0561e | 3556 | |
a32fa736 GM |
3557 | HARE and TORTOISE should be the names of Lisp_Object variables, and |
3558 | N should be the name of an EMACS_INT variable declared in the | |
3559 | function where the macro is used. Each nested loop should use | |
3560 | its own variables. | |
3561 | ||
3562 | In the loop body, HARE is set to each cons of LIST, and N is the | |
3563 | length of the list processed so far. */ | |
3564 | ||
3565 | #define LIST_END_P(list, obj) \ | |
3566 | (NILP (obj) \ | |
3567 | ? 1 \ | |
3568 | : (CONSP (obj) \ | |
3569 | ? 0 \ | |
d28981c9 | 3570 | : (wrong_type_argument (Qlistp, (list))), 1)) |
a32fa736 GM |
3571 | |
3572 | #define FOREACH(hare, list, tortoise, n) \ | |
3573 | for (tortoise = hare = (list), n = 0; \ | |
3574 | !LIST_END_P (list, hare); \ | |
3575 | (hare = XCDR (hare), ++n, \ | |
3576 | ((n & 1) != 0 \ | |
3577 | ? (tortoise = XCDR (tortoise), \ | |
3578 | (EQ (hare, tortoise) \ | |
3579 | && (circular_list_error ((list)), 1))) \ | |
3580 | : 0))) | |
8a226de7 GM |
3581 | |
3582 | /* The ubiquitous min and max macros. */ | |
3583 | ||
152180e3 AI |
3584 | #ifdef max |
3585 | #undef max | |
3586 | #undef min | |
3587 | #endif | |
8a226de7 GM |
3588 | #define min(a, b) ((a) < (b) ? (a) : (b)) |
3589 | #define max(a, b) ((a) > (b) ? (a) : (b)) | |
53ede3f4 | 3590 | |
555b10b0 EZ |
3591 | /* We used to use `abs', but that clashes with system headers on some |
3592 | platforms, and using a name reserved by Standard C is a bad idea | |
3593 | anyway. */ | |
3594 | #if !defined(eabs) | |
3595 | #define eabs(x) ((x) < 0 ? -(x) : (x)) | |
096e8667 GM |
3596 | #endif |
3597 | ||
53ede3f4 GM |
3598 | /* Return a fixnum or float, depending on whether VAL fits in a Lisp |
3599 | fixnum. */ | |
3600 | ||
3601 | #define make_fixnum_or_float(val) \ | |
d28981c9 SM |
3602 | (FIXNUM_OVERFLOW_P (val) \ |
3603 | ? make_float (val) \ | |
3604 | : make_number ((EMACS_INT)(val))) | |
6b61353c | 3605 | |
e32d9872 MB |
3606 | |
3607 | /* Checks the `cycle check' variable CHECK to see if it indicates that | |
3608 | EL is part of a cycle; CHECK must be either Qnil or a value returned | |
3609 | by an earlier use of CYCLE_CHECK. SUSPICIOUS is the number of | |
3610 | elements after which a cycle might be suspected; after that many | |
3611 | elements, this macro begins consing in order to keep more precise | |
3612 | track of elements. | |
3613 | ||
3614 | Returns nil if a cycle was detected, otherwise a new value for CHECK | |
3615 | that includes EL. | |
3616 | ||
3617 | CHECK is evaluated multiple times, EL and SUSPICIOUS 0 or 1 times, so | |
3618 | the caller should make sure that's ok. */ | |
3619 | ||
3620 | #define CYCLE_CHECK(check, el, suspicious) \ | |
3621 | (NILP (check) \ | |
3622 | ? make_number (0) \ | |
3623 | : (INTEGERP (check) \ | |
3624 | ? (XFASTINT (check) < (suspicious) \ | |
3625 | ? make_number (XFASTINT (check) + 1) \ | |
3626 | : Fcons (el, Qnil)) \ | |
3627 | : (!NILP (Fmemq ((el), (check))) \ | |
3628 | ? Qnil \ | |
3629 | : Fcons ((el), (check))))) | |
3630 | ||
3631 | ||
79518a8d KS |
3632 | /* SAFE_ALLOCA normally allocates memory on the stack, but if size is |
3633 | larger than MAX_ALLOCA, use xmalloc to avoid overflowing the stack. */ | |
3634 | ||
3635 | #define MAX_ALLOCA 16*1024 | |
3636 | ||
3637 | extern Lisp_Object safe_alloca_unwind (Lisp_Object); | |
3638 | ||
3639 | #define USE_SAFE_ALLOCA \ | |
c33188d9 | 3640 | int sa_count = SPECPDL_INDEX (), sa_must_free = 0 |
79518a8d | 3641 | |
a9e6bacc KS |
3642 | /* SAFE_ALLOCA allocates a simple buffer. */ |
3643 | ||
79518a8d KS |
3644 | #define SAFE_ALLOCA(buf, type, size) \ |
3645 | do { \ | |
3646 | if ((size) < MAX_ALLOCA) \ | |
3647 | buf = (type) alloca (size); \ | |
3648 | else \ | |
3649 | { \ | |
3650 | buf = (type) xmalloc (size); \ | |
c33188d9 | 3651 | sa_must_free++; \ |
79518a8d KS |
3652 | record_unwind_protect (safe_alloca_unwind, \ |
3653 | make_save_value (buf, 0)); \ | |
3654 | } \ | |
3655 | } while (0) | |
3656 | ||
a9e6bacc KS |
3657 | /* SAFE_FREE frees xmalloced memory and enables GC as needed. */ |
3658 | ||
c33188d9 | 3659 | #define SAFE_FREE() \ |
79518a8d | 3660 | do { \ |
c33188d9 KS |
3661 | if (sa_must_free) { \ |
3662 | sa_must_free = 0; \ | |
79518a8d | 3663 | unbind_to (sa_count, Qnil); \ |
c33188d9 | 3664 | } \ |
79518a8d KS |
3665 | } while (0) |
3666 | ||
3667 | ||
5f5d6c62 KS |
3668 | /* SAFE_ALLOCA_LISP allocates an array of Lisp_Objects. */ |
3669 | ||
3670 | #define SAFE_ALLOCA_LISP(buf, nelt) \ | |
3671 | do { \ | |
3672 | int size_ = (nelt) * sizeof (Lisp_Object); \ | |
3673 | if (size_ < MAX_ALLOCA) \ | |
3674 | buf = (Lisp_Object *) alloca (size_); \ | |
3675 | else \ | |
3676 | { \ | |
3677 | Lisp_Object arg_; \ | |
3678 | buf = (Lisp_Object *) xmalloc (size_); \ | |
3679 | arg_ = make_save_value (buf, nelt); \ | |
3680 | XSAVE_VALUE (arg_)->dogc = 1; \ | |
c33188d9 | 3681 | sa_must_free++; \ |
5f5d6c62 KS |
3682 | record_unwind_protect (safe_alloca_unwind, arg_); \ |
3683 | } \ | |
3684 | } while (0) | |
3685 | ||
79518a8d | 3686 | |
6b61353c KH |
3687 | #endif /* EMACS_LISP_H */ |
3688 | ||
3689 | /* arch-tag: 9b2ed020-70eb-47ac-94ee-e1c2a5107d5e | |
3690 | (do not change this comment) */ |