| 1 | /* Fundamental definitions for GNU Emacs Lisp interpreter. |
| 2 | Copyright (C) 1985, 1986, 1987, 1993, 1994, 1995, 1997, 1998, 1999, 2000, |
| 3 | 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc. |
| 4 | |
| 5 | This file is part of GNU Emacs. |
| 6 | |
| 7 | GNU Emacs is free software; you can redistribute it and/or modify |
| 8 | it under the terms of the GNU General Public License as published by |
| 9 | the Free Software Foundation; either version 2, or (at your option) |
| 10 | any later version. |
| 11 | |
| 12 | GNU Emacs is distributed in the hope that it will be useful, |
| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | GNU General Public License for more details. |
| 16 | |
| 17 | You should have received a copy of the GNU General Public License |
| 18 | along with GNU Emacs; see the file COPYING. If not, write to |
| 19 | the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| 20 | Boston, MA 02110-1301, USA. */ |
| 21 | |
| 22 | #ifndef EMACS_LISP_H |
| 23 | #define EMACS_LISP_H |
| 24 | |
| 25 | /* Declare the prototype for a general external function. */ |
| 26 | #if defined (PROTOTYPES) || defined (WINDOWSNT) |
| 27 | #define P_(proto) proto |
| 28 | #else |
| 29 | #define P_(proto) () |
| 30 | #endif |
| 31 | |
| 32 | #if 0 |
| 33 | /* Define this temporarily to hunt a bug. If defined, the size of |
| 34 | strings is redundantly recorded in sdata structures so that it can |
| 35 | be compared to the sizes recorded in Lisp strings. */ |
| 36 | |
| 37 | #define GC_CHECK_STRING_BYTES 1 |
| 38 | |
| 39 | /* Define this to check for short string overrun. */ |
| 40 | |
| 41 | #define GC_CHECK_STRING_OVERRUN 1 |
| 42 | |
| 43 | /* Define this to check the string free list. */ |
| 44 | |
| 45 | #define GC_CHECK_STRING_FREE_LIST 1 |
| 46 | |
| 47 | /* Define this to check for malloc buffer overrun. */ |
| 48 | |
| 49 | #define XMALLOC_OVERRUN_CHECK 1 |
| 50 | |
| 51 | /* Define this to check for errors in cons list. */ |
| 52 | /* #define GC_CHECK_CONS_LIST 1 */ |
| 53 | |
| 54 | #endif /* 0 */ |
| 55 | |
| 56 | #ifdef GC_CHECK_CONS_LIST |
| 57 | #define CHECK_CONS_LIST() check_cons_list() |
| 58 | #else |
| 59 | #define CHECK_CONS_LIST() 0 |
| 60 | #endif |
| 61 | |
| 62 | /* These are default choices for the types to use. */ |
| 63 | #ifdef _LP64 |
| 64 | #ifndef EMACS_INT |
| 65 | #define EMACS_INT long |
| 66 | #define BITS_PER_EMACS_INT BITS_PER_LONG |
| 67 | #endif |
| 68 | #ifndef EMACS_UINT |
| 69 | #define EMACS_UINT unsigned long |
| 70 | #endif |
| 71 | #else /* not _LP64 */ |
| 72 | #ifndef EMACS_INT |
| 73 | #define EMACS_INT int |
| 74 | #define BITS_PER_EMACS_INT BITS_PER_INT |
| 75 | #endif |
| 76 | #ifndef EMACS_UINT |
| 77 | #define EMACS_UINT unsigned int |
| 78 | #endif |
| 79 | #endif |
| 80 | |
| 81 | /* Extra internal type checking? */ |
| 82 | extern int suppress_checking; |
| 83 | extern void die P_((const char *, const char *, int)); |
| 84 | |
| 85 | #ifdef ENABLE_CHECKING |
| 86 | |
| 87 | #define CHECK(check,msg) (((check) || suppress_checking \ |
| 88 | ? (void) 0 \ |
| 89 | : die ((msg), __FILE__, __LINE__)), \ |
| 90 | 0) |
| 91 | #else |
| 92 | |
| 93 | /* Produce same side effects and result, but don't complain. */ |
| 94 | #define CHECK(check,msg) ((check),0) |
| 95 | |
| 96 | #endif |
| 97 | |
| 98 | /* Used for making sure that Emacs is compilable in all |
| 99 | configurations. */ |
| 100 | |
| 101 | #ifdef USE_LISP_UNION_TYPE |
| 102 | #undef NO_UNION_TYPE |
| 103 | #endif |
| 104 | |
| 105 | /* Define an Emacs version of "assert", since some system ones are |
| 106 | flaky. */ |
| 107 | #ifndef ENABLE_CHECKING |
| 108 | #define eassert(X) (void) 0 |
| 109 | #else /* ENABLE_CHECKING */ |
| 110 | #if defined (__GNUC__) && __GNUC__ >= 2 && defined (__STDC__) |
| 111 | #define eassert(cond) CHECK(cond,"assertion failed: " #cond) |
| 112 | #else |
| 113 | #define eassert(cond) CHECK(cond,"assertion failed") |
| 114 | #endif |
| 115 | #endif /* ENABLE_CHECKING */ |
| 116 | |
| 117 | /* Define the fundamental Lisp data structures. */ |
| 118 | |
| 119 | /* This is the set of Lisp data types. */ |
| 120 | |
| 121 | enum Lisp_Type |
| 122 | { |
| 123 | /* Integer. XINT (obj) is the integer value. */ |
| 124 | Lisp_Int, |
| 125 | |
| 126 | /* Symbol. XSYMBOL (object) points to a struct Lisp_Symbol. */ |
| 127 | Lisp_Symbol, |
| 128 | |
| 129 | /* Miscellaneous. XMISC (object) points to a union Lisp_Misc, |
| 130 | whose first member indicates the subtype. */ |
| 131 | Lisp_Misc, |
| 132 | |
| 133 | /* String. XSTRING (object) points to a struct Lisp_String. |
| 134 | The length of the string, and its contents, are stored therein. */ |
| 135 | Lisp_String, |
| 136 | |
| 137 | /* Vector of Lisp objects, or something resembling it. |
| 138 | XVECTOR (object) points to a struct Lisp_Vector, which contains |
| 139 | the size and contents. The size field also contains the type |
| 140 | information, if it's not a real vector object. */ |
| 141 | Lisp_Vectorlike, |
| 142 | |
| 143 | /* Cons. XCONS (object) points to a struct Lisp_Cons. */ |
| 144 | Lisp_Cons, |
| 145 | |
| 146 | Lisp_Float, |
| 147 | |
| 148 | /* This is not a type code. It is for range checking. */ |
| 149 | Lisp_Type_Limit |
| 150 | }; |
| 151 | |
| 152 | /* This is the set of data types that share a common structure. |
| 153 | The first member of the structure is a type code from this set. |
| 154 | The enum values are arbitrary, but we'll use large numbers to make it |
| 155 | more likely that we'll spot the error if a random word in memory is |
| 156 | mistakenly interpreted as a Lisp_Misc. */ |
| 157 | enum Lisp_Misc_Type |
| 158 | { |
| 159 | Lisp_Misc_Free = 0x5eab, |
| 160 | Lisp_Misc_Marker, |
| 161 | Lisp_Misc_Intfwd, |
| 162 | Lisp_Misc_Boolfwd, |
| 163 | Lisp_Misc_Objfwd, |
| 164 | Lisp_Misc_Buffer_Objfwd, |
| 165 | Lisp_Misc_Buffer_Local_Value, |
| 166 | Lisp_Misc_Some_Buffer_Local_Value, |
| 167 | Lisp_Misc_Overlay, |
| 168 | Lisp_Misc_Kboard_Objfwd, |
| 169 | Lisp_Misc_Save_Value, |
| 170 | /* Currently floats are not a misc type, |
| 171 | but let's define this in case we want to change that. */ |
| 172 | Lisp_Misc_Float, |
| 173 | /* This is not a type code. It is for range checking. */ |
| 174 | Lisp_Misc_Limit |
| 175 | }; |
| 176 | |
| 177 | #ifndef GCTYPEBITS |
| 178 | #define GCTYPEBITS 3 |
| 179 | #endif |
| 180 | |
| 181 | /* These values are overridden by the m- file on some machines. */ |
| 182 | #ifndef VALBITS |
| 183 | #define VALBITS (BITS_PER_EMACS_INT - GCTYPEBITS) |
| 184 | #endif |
| 185 | |
| 186 | #ifndef NO_UNION_TYPE |
| 187 | |
| 188 | #ifndef WORDS_BIG_ENDIAN |
| 189 | |
| 190 | /* Definition of Lisp_Object for little-endian machines. */ |
| 191 | |
| 192 | typedef |
| 193 | union Lisp_Object |
| 194 | { |
| 195 | /* Used for comparing two Lisp_Objects; |
| 196 | also, positive integers can be accessed fast this way. */ |
| 197 | EMACS_INT i; |
| 198 | |
| 199 | struct |
| 200 | { |
| 201 | EMACS_INT val : VALBITS; |
| 202 | enum Lisp_Type type : GCTYPEBITS; |
| 203 | } s; |
| 204 | struct |
| 205 | { |
| 206 | EMACS_UINT val : VALBITS; |
| 207 | enum Lisp_Type type : GCTYPEBITS; |
| 208 | } u; |
| 209 | } |
| 210 | Lisp_Object; |
| 211 | |
| 212 | #else /* If WORDS_BIG_ENDIAN */ |
| 213 | |
| 214 | typedef |
| 215 | union Lisp_Object |
| 216 | { |
| 217 | /* Used for comparing two Lisp_Objects; |
| 218 | also, positive integers can be accessed fast this way. */ |
| 219 | EMACS_INT i; |
| 220 | |
| 221 | struct |
| 222 | { |
| 223 | enum Lisp_Type type : GCTYPEBITS; |
| 224 | EMACS_INT val : VALBITS; |
| 225 | } s; |
| 226 | struct |
| 227 | { |
| 228 | enum Lisp_Type type : GCTYPEBITS; |
| 229 | EMACS_UINT val : VALBITS; |
| 230 | } u; |
| 231 | } |
| 232 | Lisp_Object; |
| 233 | |
| 234 | #endif /* WORDS_BIG_ENDIAN */ |
| 235 | |
| 236 | #ifdef __GNUC__ |
| 237 | static __inline__ Lisp_Object |
| 238 | LISP_MAKE_RVALUE (Lisp_Object o) |
| 239 | { |
| 240 | return o; |
| 241 | } |
| 242 | #else |
| 243 | /* This isn't quite right - it keeps the argument as an lvalue. |
| 244 | Making it const via casting would help avoid code actually |
| 245 | modifying the location in question, but the casting could cover |
| 246 | other type-related bugs. */ |
| 247 | #define LISP_MAKE_RVALUE(o) (o) |
| 248 | #endif |
| 249 | |
| 250 | #endif /* NO_UNION_TYPE */ |
| 251 | |
| 252 | |
| 253 | /* If union type is not wanted, define Lisp_Object as just a number. */ |
| 254 | |
| 255 | #ifdef NO_UNION_TYPE |
| 256 | typedef EMACS_INT Lisp_Object; |
| 257 | #define LISP_MAKE_RVALUE(o) (0+(o)) |
| 258 | #endif /* NO_UNION_TYPE */ |
| 259 | |
| 260 | /* Two flags that are set during GC. On some machines, these flags |
| 261 | are defined differently by the m- file. */ |
| 262 | |
| 263 | /* In the size word of a vector, this bit means the vector has been marked. */ |
| 264 | |
| 265 | #ifndef ARRAY_MARK_FLAG |
| 266 | #define ARRAY_MARK_FLAG ((EMACS_INT) ((EMACS_UINT) 1 << (VALBITS + GCTYPEBITS - 1))) |
| 267 | #endif /* no ARRAY_MARK_FLAG */ |
| 268 | |
| 269 | /* In the size word of a struct Lisp_Vector, this bit means it's really |
| 270 | some other vector-like object. */ |
| 271 | #ifndef PSEUDOVECTOR_FLAG |
| 272 | #define PSEUDOVECTOR_FLAG ((ARRAY_MARK_FLAG >> 1) & ~ARRAY_MARK_FLAG) |
| 273 | #endif |
| 274 | |
| 275 | /* In a pseudovector, the size field actually contains a word with one |
| 276 | PSEUDOVECTOR_FLAG bit set, and exactly one of the following bits to |
| 277 | indicate the actual type. */ |
| 278 | enum pvec_type |
| 279 | { |
| 280 | PVEC_NORMAL_VECTOR = 0, |
| 281 | PVEC_PROCESS = 0x200, |
| 282 | PVEC_FRAME = 0x400, |
| 283 | PVEC_COMPILED = 0x800, |
| 284 | PVEC_WINDOW = 0x1000, |
| 285 | PVEC_WINDOW_CONFIGURATION = 0x2000, |
| 286 | PVEC_SUBR = 0x4000, |
| 287 | PVEC_CHAR_TABLE = 0x8000, |
| 288 | PVEC_BOOL_VECTOR = 0x10000, |
| 289 | PVEC_BUFFER = 0x20000, |
| 290 | PVEC_HASH_TABLE = 0x40000, |
| 291 | PVEC_TYPE_MASK = 0x7fe00 |
| 292 | |
| 293 | #if 0 /* This is used to make the value of PSEUDOVECTOR_FLAG available to |
| 294 | GDB. It doesn't work on OS Alpha. Moved to a variable in |
| 295 | emacs.c. */ |
| 296 | PVEC_FLAG = PSEUDOVECTOR_FLAG |
| 297 | #endif |
| 298 | }; |
| 299 | |
| 300 | /* For convenience, we also store the number of elements in these bits. */ |
| 301 | #define PSEUDOVECTOR_SIZE_MASK 0x1ff |
| 302 | |
| 303 | /* Number of bits to put in each character in the internal representation |
| 304 | of bool vectors. This should not vary across implementations. */ |
| 305 | #define BOOL_VECTOR_BITS_PER_CHAR 8 |
| 306 | \f |
| 307 | /***** Select the tagging scheme. *****/ |
| 308 | /* There are basically two options that control the tagging scheme: |
| 309 | - NO_UNION_TYPE says that Lisp_Object should be an integer instead |
| 310 | of a union. |
| 311 | - USE_LSB_TAG means that we can assume the least 3 bits of pointers are |
| 312 | always 0, and we can thus use them to hold tag bits, without |
| 313 | restricting our addressing space. |
| 314 | |
| 315 | If USE_LSB_TAG is not set, then we use the top 3 bits for tagging, thus |
| 316 | restricting our possible address range. Currently USE_LSB_TAG is not |
| 317 | allowed together with a union. This is not due to any fundamental |
| 318 | technical (or political ;-) problem: nobody wrote the code to do it yet. |
| 319 | |
| 320 | USE_LSB_TAG not only requires the least 3 bits of pointers returned by |
| 321 | malloc to be 0 but also needs to be able to impose a mult-of-8 alignment |
| 322 | on the few static Lisp_Objects used: all the defsubr as well |
| 323 | as the two special buffers buffer_defaults and buffer_local_symbols. */ |
| 324 | |
| 325 | /* First, try and define DECL_ALIGN(type,var) which declares a static |
| 326 | variable VAR of type TYPE with the added requirement that it be |
| 327 | TYPEBITS-aligned. */ |
| 328 | #ifndef NO_DECL_ALIGN |
| 329 | # ifndef DECL_ALIGN |
| 330 | /* What compiler directive should we use for non-gcc compilers? -stef */ |
| 331 | # if defined (__GNUC__) |
| 332 | # define DECL_ALIGN(type, var) \ |
| 333 | type __attribute__ ((__aligned__ (1 << GCTYPEBITS))) var |
| 334 | # endif |
| 335 | # endif |
| 336 | #endif |
| 337 | |
| 338 | /* Let's USE_LSB_TAG on systems where we know malloc returns mult-of-8. */ |
| 339 | #if defined GNU_MALLOC || defined DOUG_LEA_MALLOC || defined __GLIBC__ || defined MAC_OSX |
| 340 | /* We also need to be able to specify mult-of-8 alignment on static vars. */ |
| 341 | # if defined DECL_ALIGN |
| 342 | /* We currently do not support USE_LSB_TAG with a union Lisp_Object. */ |
| 343 | # if defined NO_UNION_TYPE |
| 344 | # define USE_LSB_TAG |
| 345 | # endif |
| 346 | # endif |
| 347 | #endif |
| 348 | |
| 349 | /* If we cannot use 8-byte alignment, make DECL_ALIGN a no-op. */ |
| 350 | #ifndef DECL_ALIGN |
| 351 | # ifdef USE_LSB_TAG |
| 352 | # error "USE_LSB_TAG used without defining DECL_ALIGN" |
| 353 | # endif |
| 354 | # define DECL_ALIGN(type, var) type var |
| 355 | #endif |
| 356 | |
| 357 | \f |
| 358 | /* These macros extract various sorts of values from a Lisp_Object. |
| 359 | For example, if tem is a Lisp_Object whose type is Lisp_Cons, |
| 360 | XCONS (tem) is the struct Lisp_Cons * pointing to the memory for that cons. */ |
| 361 | |
| 362 | #ifdef NO_UNION_TYPE |
| 363 | |
| 364 | #ifdef USE_LSB_TAG |
| 365 | |
| 366 | #define TYPEMASK ((((EMACS_INT) 1) << GCTYPEBITS) - 1) |
| 367 | #define XTYPE(a) ((enum Lisp_Type) (((EMACS_UINT) (a)) & TYPEMASK)) |
| 368 | #define XINT(a) (((EMACS_INT) (a)) >> GCTYPEBITS) |
| 369 | #define XUINT(a) (((EMACS_UINT) (a)) >> GCTYPEBITS) |
| 370 | #define XSET(var, type, ptr) \ |
| 371 | (eassert (XTYPE (ptr) == 0), /* Check alignment. */ \ |
| 372 | (var) = ((EMACS_INT) (type)) | ((EMACS_INT) (ptr))) |
| 373 | #define make_number(N) (((EMACS_INT) (N)) << GCTYPEBITS) |
| 374 | |
| 375 | /* XFASTINT and XSETFASTINT are for use when the integer is known to be |
| 376 | positive, in which case the implementation can sometimes be faster |
| 377 | depending on the tagging scheme. With USE_LSB_TAG, there's no benefit. */ |
| 378 | #define XFASTINT(a) XINT (a) |
| 379 | #define XSETFASTINT(a, b) ((a) = make_number (b)) |
| 380 | |
| 381 | #define XPNTR(a) ((EMACS_INT) ((a) & ~TYPEMASK)) |
| 382 | |
| 383 | #else /* not USE_LSB_TAG */ |
| 384 | |
| 385 | #define VALMASK ((((EMACS_INT) 1) << VALBITS) - 1) |
| 386 | |
| 387 | /* One need to override this if there must be high bits set in data space |
| 388 | (doing the result of the below & ((1 << (GCTYPE + 1)) - 1) would work |
| 389 | on all machines, but would penalize machines which don't need it) |
| 390 | */ |
| 391 | #define XTYPE(a) ((enum Lisp_Type) (((EMACS_UINT) (a)) >> VALBITS)) |
| 392 | |
| 393 | /* For integers known to be positive, XFASTINT provides fast retrieval |
| 394 | and XSETFASTINT provides fast storage. This takes advantage of the |
| 395 | fact that Lisp_Int is 0. */ |
| 396 | #define XFASTINT(a) ((a) + 0) |
| 397 | #define XSETFASTINT(a, b) ((a) = (b)) |
| 398 | |
| 399 | /* Extract the value of a Lisp_Object as a signed integer. */ |
| 400 | |
| 401 | #ifndef XINT /* Some machines need to do this differently. */ |
| 402 | #define XINT(a) ((((EMACS_INT) (a)) << (BITS_PER_EMACS_INT - VALBITS)) \ |
| 403 | >> (BITS_PER_EMACS_INT - VALBITS)) |
| 404 | #endif |
| 405 | |
| 406 | /* Extract the value as an unsigned integer. This is a basis |
| 407 | for extracting it as a pointer to a structure in storage. */ |
| 408 | |
| 409 | #ifndef XUINT |
| 410 | #define XUINT(a) ((EMACS_UINT) ((a) & VALMASK)) |
| 411 | #endif |
| 412 | |
| 413 | #ifndef XSET |
| 414 | #define XSET(var, type, ptr) \ |
| 415 | ((var) = ((EMACS_INT)(type) << VALBITS) + ((EMACS_INT) (ptr) & VALMASK)) |
| 416 | #endif |
| 417 | |
| 418 | /* Convert a C integer into a Lisp_Object integer. */ |
| 419 | |
| 420 | #define make_number(N) \ |
| 421 | ((((EMACS_INT) (N)) & VALMASK) | ((EMACS_INT) Lisp_Int) << VALBITS) |
| 422 | |
| 423 | #endif /* not USE_LSB_TAG */ |
| 424 | |
| 425 | #define EQ(x, y) ((x) == (y)) |
| 426 | |
| 427 | #else /* not NO_UNION_TYPE */ |
| 428 | |
| 429 | #define XTYPE(a) ((enum Lisp_Type) (a).u.type) |
| 430 | |
| 431 | /* For integers known to be positive, XFASTINT provides fast retrieval |
| 432 | and XSETFASTINT provides fast storage. This takes advantage of the |
| 433 | fact that Lisp_Int is 0. */ |
| 434 | #define XFASTINT(a) ((a).i + 0) |
| 435 | #define XSETFASTINT(a, b) ((a).i = (b)) |
| 436 | |
| 437 | #ifdef EXPLICIT_SIGN_EXTEND |
| 438 | /* Make sure we sign-extend; compilers have been known to fail to do so. */ |
| 439 | #define XINT(a) (((a).s.val << (BITS_PER_EMACS_INT - VALBITS)) \ |
| 440 | >> (BITS_PER_EMACS_INT - VALBITS)) |
| 441 | #else |
| 442 | #define XINT(a) ((a).s.val) |
| 443 | #endif /* EXPLICIT_SIGN_EXTEND */ |
| 444 | |
| 445 | #define XUINT(a) ((a).u.val) |
| 446 | |
| 447 | #define XSET(var, vartype, ptr) \ |
| 448 | (((var).s.val = ((EMACS_INT) (ptr))), ((var).s.type = ((char) (vartype)))) |
| 449 | |
| 450 | #if __GNUC__ >= 2 && defined (__OPTIMIZE__) |
| 451 | #define make_number(N) \ |
| 452 | (__extension__ ({ Lisp_Object _l; _l.s.val = (N); _l.s.type = Lisp_Int; _l; })) |
| 453 | #else |
| 454 | extern Lisp_Object make_number P_ ((EMACS_INT)); |
| 455 | #endif |
| 456 | |
| 457 | #define EQ(x, y) ((x).i == (y).i) |
| 458 | |
| 459 | #endif /* NO_UNION_TYPE */ |
| 460 | |
| 461 | /* During garbage collection, XGCTYPE must be used for extracting types |
| 462 | so that the mark bit is ignored. XMARKBIT accesses the markbit. |
| 463 | Markbits are used only in particular slots of particular structure types. |
| 464 | Other markbits are always zero. |
| 465 | Outside of garbage collection, all mark bits are always zero. */ |
| 466 | |
| 467 | #ifndef XGCTYPE |
| 468 | /* The distinction does not exist now that the MARKBIT has been eliminated. */ |
| 469 | #define XGCTYPE(a) XTYPE (a) |
| 470 | #endif |
| 471 | |
| 472 | #ifndef XPNTR |
| 473 | #ifdef HAVE_SHM |
| 474 | /* In this representation, data is found in two widely separated segments. */ |
| 475 | extern size_t pure_size; |
| 476 | #define XPNTR(a) \ |
| 477 | (XUINT (a) | (XUINT (a) > pure_size ? DATA_SEG_BITS : PURE_SEG_BITS)) |
| 478 | #else /* not HAVE_SHM */ |
| 479 | #ifdef DATA_SEG_BITS |
| 480 | /* This case is used for the rt-pc. |
| 481 | In the diffs I was given, it checked for ptr = 0 |
| 482 | and did not adjust it in that case. |
| 483 | But I don't think that zero should ever be found |
| 484 | in a Lisp object whose data type says it points to something. */ |
| 485 | #define XPNTR(a) (XUINT (a) | DATA_SEG_BITS) |
| 486 | #else |
| 487 | #define XPNTR(a) XUINT (a) |
| 488 | #endif |
| 489 | #endif /* not HAVE_SHM */ |
| 490 | #endif /* no XPNTR */ |
| 491 | |
| 492 | /* Largest and smallest representable fixnum values. These are the C |
| 493 | values. */ |
| 494 | |
| 495 | #define MOST_NEGATIVE_FIXNUM - ((EMACS_INT) 1 << (VALBITS - 1)) |
| 496 | #define MOST_POSITIVE_FIXNUM (((EMACS_INT) 1 << (VALBITS - 1)) - 1) |
| 497 | /* Mask indicating the significant bits of a Lisp_Int. |
| 498 | I.e. (x & INTMASK) == XUINT (make_number (x)). */ |
| 499 | #define INTMASK ((((EMACS_INT) 1) << VALBITS) - 1) |
| 500 | |
| 501 | /* Value is non-zero if C integer I doesn't fit into a Lisp fixnum. */ |
| 502 | |
| 503 | #define FIXNUM_OVERFLOW_P(i) \ |
| 504 | ((EMACS_INT)(i) > MOST_POSITIVE_FIXNUM \ |
| 505 | || (EMACS_INT) (i) < MOST_NEGATIVE_FIXNUM) |
| 506 | |
| 507 | /* Extract a value or address from a Lisp_Object. */ |
| 508 | |
| 509 | #define XCONS(a) (eassert (GC_CONSP(a)),(struct Lisp_Cons *) XPNTR(a)) |
| 510 | #define XVECTOR(a) (eassert (GC_VECTORLIKEP(a)),(struct Lisp_Vector *) XPNTR(a)) |
| 511 | #define XSTRING(a) (eassert (GC_STRINGP(a)),(struct Lisp_String *) XPNTR(a)) |
| 512 | #define XSYMBOL(a) (eassert (GC_SYMBOLP(a)),(struct Lisp_Symbol *) XPNTR(a)) |
| 513 | #define XFLOAT(a) (eassert (GC_FLOATP(a)),(struct Lisp_Float *) XPNTR(a)) |
| 514 | |
| 515 | /* Misc types. */ |
| 516 | |
| 517 | #define XMISC(a) ((union Lisp_Misc *) XPNTR(a)) |
| 518 | #define XMISCTYPE(a) (XMARKER (a)->type) |
| 519 | #define XMARKER(a) (&(XMISC(a)->u_marker)) |
| 520 | #define XINTFWD(a) (&(XMISC(a)->u_intfwd)) |
| 521 | #define XBOOLFWD(a) (&(XMISC(a)->u_boolfwd)) |
| 522 | #define XOBJFWD(a) (&(XMISC(a)->u_objfwd)) |
| 523 | #define XBUFFER_OBJFWD(a) (&(XMISC(a)->u_buffer_objfwd)) |
| 524 | #define XBUFFER_LOCAL_VALUE(a) (&(XMISC(a)->u_buffer_local_value)) |
| 525 | #define XOVERLAY(a) (&(XMISC(a)->u_overlay)) |
| 526 | #define XKBOARD_OBJFWD(a) (&(XMISC(a)->u_kboard_objfwd)) |
| 527 | #define XSAVE_VALUE(a) (&(XMISC(a)->u_save_value)) |
| 528 | |
| 529 | /* Pseudovector types. */ |
| 530 | |
| 531 | #define XPROCESS(a) (eassert (GC_PROCESSP(a)),(struct Lisp_Process *) XPNTR(a)) |
| 532 | #define XWINDOW(a) (eassert (GC_WINDOWP(a)),(struct window *) XPNTR(a)) |
| 533 | #define XSUBR(a) (eassert (GC_SUBRP(a)),(struct Lisp_Subr *) XPNTR(a)) |
| 534 | #define XBUFFER(a) (eassert (GC_BUFFERP(a)),(struct buffer *) XPNTR(a)) |
| 535 | #define XCHAR_TABLE(a) ((struct Lisp_Char_Table *) XPNTR(a)) |
| 536 | #define XBOOL_VECTOR(a) ((struct Lisp_Bool_Vector *) XPNTR(a)) |
| 537 | |
| 538 | /* Construct a Lisp_Object from a value or address. */ |
| 539 | |
| 540 | #define XSETINT(a, b) (a) = make_number (b) |
| 541 | #define XSETCONS(a, b) XSET (a, Lisp_Cons, b) |
| 542 | #define XSETVECTOR(a, b) XSET (a, Lisp_Vectorlike, b) |
| 543 | #define XSETSTRING(a, b) XSET (a, Lisp_String, b) |
| 544 | #define XSETSYMBOL(a, b) XSET (a, Lisp_Symbol, b) |
| 545 | #define XSETFLOAT(a, b) XSET (a, Lisp_Float, b) |
| 546 | |
| 547 | /* Misc types. */ |
| 548 | |
| 549 | #define XSETMISC(a, b) XSET (a, Lisp_Misc, b) |
| 550 | #define XSETMARKER(a, b) (XSETMISC (a, b), XMISCTYPE (a) = Lisp_Misc_Marker) |
| 551 | |
| 552 | /* Pseudovector types. */ |
| 553 | |
| 554 | #define XSETPSEUDOVECTOR(a, b, code) \ |
| 555 | (XSETVECTOR (a, b), XVECTOR (a)->size |= PSEUDOVECTOR_FLAG | (code)) |
| 556 | #define XSETWINDOW_CONFIGURATION(a, b) \ |
| 557 | (XSETPSEUDOVECTOR (a, b, PVEC_WINDOW_CONFIGURATION)) |
| 558 | #define XSETPROCESS(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_PROCESS)) |
| 559 | #define XSETWINDOW(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_WINDOW)) |
| 560 | #define XSETSUBR(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_SUBR)) |
| 561 | #define XSETCOMPILED(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_COMPILED)) |
| 562 | #define XSETBUFFER(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_BUFFER)) |
| 563 | #define XSETCHAR_TABLE(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_CHAR_TABLE)) |
| 564 | #define XSETBOOL_VECTOR(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_BOOL_VECTOR)) |
| 565 | |
| 566 | /* Convenience macros for dealing with Lisp arrays. */ |
| 567 | |
| 568 | #define AREF(ARRAY, IDX) XVECTOR ((ARRAY))->contents[IDX] |
| 569 | #define ASET(ARRAY, IDX, VAL) (AREF ((ARRAY), (IDX)) = (VAL)) |
| 570 | #define ASIZE(ARRAY) XVECTOR ((ARRAY))->size |
| 571 | |
| 572 | /* Convenience macros for dealing with Lisp strings. */ |
| 573 | |
| 574 | #define SREF(string, index) (XSTRING (string)->data[index] + 0) |
| 575 | #define SSET(string, index, new) (XSTRING (string)->data[index] = (new)) |
| 576 | #define SDATA(string) (XSTRING (string)->data + 0) |
| 577 | #define SCHARS(string) (XSTRING (string)->size + 0) |
| 578 | #define SBYTES(string) (STRING_BYTES (XSTRING (string)) + 0) |
| 579 | |
| 580 | #define STRING_SET_CHARS(string, newsize) \ |
| 581 | (XSTRING (string)->size = (newsize)) |
| 582 | |
| 583 | #define STRING_COPYIN(string, index, new, count) \ |
| 584 | bcopy (new, XSTRING (string)->data + index, count) |
| 585 | |
| 586 | \f |
| 587 | /* See the macros in intervals.h. */ |
| 588 | |
| 589 | typedef struct interval *INTERVAL; |
| 590 | |
| 591 | /* Complain if object is not string or buffer type */ |
| 592 | #define CHECK_STRING_OR_BUFFER(x) \ |
| 593 | { if (!STRINGP ((x)) && !BUFFERP ((x))) \ |
| 594 | x = wrong_type_argument (Qbuffer_or_string_p, (x)); } |
| 595 | \f |
| 596 | /* In a cons, the markbit of the car is the gc mark bit */ |
| 597 | |
| 598 | struct Lisp_Cons |
| 599 | { |
| 600 | /* Please do not use the names of these elements in code other |
| 601 | than the core lisp implementation. Use XCAR and XCDR below. */ |
| 602 | #ifdef HIDE_LISP_IMPLEMENTATION |
| 603 | Lisp_Object car_; |
| 604 | union |
| 605 | { |
| 606 | Lisp_Object cdr_; |
| 607 | struct Lisp_Cons *chain; |
| 608 | } u; |
| 609 | #else |
| 610 | Lisp_Object car; |
| 611 | union |
| 612 | { |
| 613 | Lisp_Object cdr; |
| 614 | struct Lisp_Cons *chain; |
| 615 | } u; |
| 616 | #endif |
| 617 | }; |
| 618 | |
| 619 | /* Take the car or cdr of something known to be a cons cell. */ |
| 620 | /* The _AS_LVALUE macros shouldn't be used outside of the minimal set |
| 621 | of code that has to know what a cons cell looks like. Other code not |
| 622 | part of the basic lisp implementation should assume that the car and cdr |
| 623 | fields are not accessible as lvalues. (What if we want to switch to |
| 624 | a copying collector someday? Cached cons cell field addresses may be |
| 625 | invalidated at arbitrary points.) */ |
| 626 | #ifdef HIDE_LISP_IMPLEMENTATION |
| 627 | #define XCAR_AS_LVALUE(c) (XCONS ((c))->car_) |
| 628 | #define XCDR_AS_LVALUE(c) (XCONS ((c))->u.cdr_) |
| 629 | #else |
| 630 | #define XCAR_AS_LVALUE(c) (XCONS ((c))->car) |
| 631 | #define XCDR_AS_LVALUE(c) (XCONS ((c))->u.cdr) |
| 632 | #endif |
| 633 | |
| 634 | /* Use these from normal code. */ |
| 635 | #define XCAR(c) LISP_MAKE_RVALUE(XCAR_AS_LVALUE(c)) |
| 636 | #define XCDR(c) LISP_MAKE_RVALUE(XCDR_AS_LVALUE(c)) |
| 637 | |
| 638 | /* Use these to set the fields of a cons cell. |
| 639 | |
| 640 | Note that both arguments may refer to the same object, so 'n' |
| 641 | should not be read after 'c' is first modified. Also, neither |
| 642 | argument should be evaluated more than once; side effects are |
| 643 | especially common in the second argument. */ |
| 644 | #define XSETCAR(c,n) (XCAR_AS_LVALUE(c) = (n)) |
| 645 | #define XSETCDR(c,n) (XCDR_AS_LVALUE(c) = (n)) |
| 646 | |
| 647 | /* For performance: Fast storage of positive integers into the |
| 648 | fields of a cons cell. See above caveats. */ |
| 649 | #define XSETCARFASTINT(c,n) XSETFASTINT(XCAR_AS_LVALUE(c),(n)) |
| 650 | #define XSETCDRFASTINT(c,n) XSETFASTINT(XCDR_AS_LVALUE(c),(n)) |
| 651 | |
| 652 | /* Take the car or cdr of something whose type is not known. */ |
| 653 | #define CAR(c) \ |
| 654 | (CONSP ((c)) ? XCAR ((c)) \ |
| 655 | : NILP ((c)) ? Qnil \ |
| 656 | : wrong_type_argument (Qlistp, (c))) |
| 657 | |
| 658 | #define CDR(c) \ |
| 659 | (CONSP ((c)) ? XCDR ((c)) \ |
| 660 | : NILP ((c)) ? Qnil \ |
| 661 | : wrong_type_argument (Qlistp, (c))) |
| 662 | |
| 663 | /* Nonzero if STR is a multibyte string. */ |
| 664 | #define STRING_MULTIBYTE(STR) \ |
| 665 | (XSTRING (STR)->size_byte >= 0) |
| 666 | |
| 667 | /* Return the length in bytes of STR. */ |
| 668 | |
| 669 | #ifdef GC_CHECK_STRING_BYTES |
| 670 | |
| 671 | struct Lisp_String; |
| 672 | extern int string_bytes P_ ((struct Lisp_String *)); |
| 673 | #define STRING_BYTES(S) string_bytes ((S)) |
| 674 | |
| 675 | #else /* not GC_CHECK_STRING_BYTES */ |
| 676 | |
| 677 | #define STRING_BYTES(STR) \ |
| 678 | ((STR)->size_byte < 0 ? (STR)->size : (STR)->size_byte) |
| 679 | |
| 680 | #endif /* not GC_CHECK_STRING_BYTES */ |
| 681 | |
| 682 | /* Mark STR as a unibyte string. */ |
| 683 | #define STRING_SET_UNIBYTE(STR) (XSTRING (STR)->size_byte = -1) |
| 684 | |
| 685 | /* Get text properties. */ |
| 686 | #define STRING_INTERVALS(STR) (XSTRING (STR)->intervals + 0) |
| 687 | |
| 688 | /* Set text properties. */ |
| 689 | #define STRING_SET_INTERVALS(STR, INT) (XSTRING (STR)->intervals = (INT)) |
| 690 | |
| 691 | /* In a string or vector, the sign bit of the `size' is the gc mark bit */ |
| 692 | |
| 693 | struct Lisp_String |
| 694 | { |
| 695 | EMACS_INT size; |
| 696 | EMACS_INT size_byte; |
| 697 | INTERVAL intervals; /* text properties in this string */ |
| 698 | unsigned char *data; |
| 699 | }; |
| 700 | |
| 701 | /* If a struct is made to look like a vector, this macro returns the length |
| 702 | of the shortest vector that would hold that struct. */ |
| 703 | #define VECSIZE(type) ((sizeof (type) - (sizeof (struct Lisp_Vector) \ |
| 704 | - sizeof (Lisp_Object)) \ |
| 705 | + sizeof(Lisp_Object) - 1) /* round up */ \ |
| 706 | / sizeof (Lisp_Object)) |
| 707 | |
| 708 | struct Lisp_Vector |
| 709 | { |
| 710 | EMACS_INT size; |
| 711 | struct Lisp_Vector *next; |
| 712 | Lisp_Object contents[1]; |
| 713 | }; |
| 714 | |
| 715 | /* A char table is a kind of vectorlike, with contents are like a |
| 716 | vector but with a few other slots. For some purposes, it makes |
| 717 | sense to handle a chartable with type struct Lisp_Vector. An |
| 718 | element of a char table can be any Lisp objects, but if it is a sub |
| 719 | char-table, we treat it a table that contains information of a |
| 720 | group of characters of the same charsets or a specific character of |
| 721 | a charset. A sub char-table has the same structure as a char table |
| 722 | except for that the former omits several slots at the tail. A sub |
| 723 | char table appears only in an element of a char table, and there's |
| 724 | no way to access it directly from Emacs Lisp program. */ |
| 725 | |
| 726 | /* This is the number of slots that apply to characters or character |
| 727 | sets. The first 128 are for ASCII, the next 128 are for 8-bit |
| 728 | European characters, and the last 128 are for multibyte characters. |
| 729 | The first 256 are indexed by the code itself, but the last 128 are |
| 730 | indexed by (charset-id + 128). */ |
| 731 | #define CHAR_TABLE_ORDINARY_SLOTS 384 |
| 732 | |
| 733 | /* These are the slot of the default values for single byte |
| 734 | characters. As 0x9A is never be a charset-id, it is safe to use |
| 735 | that slot for ASCII. 0x9E and 0x80 are charset-ids of |
| 736 | eight-bit-control and eight-bit-graphic respectively. */ |
| 737 | #define CHAR_TABLE_DEFAULT_SLOT_ASCII (0x9A + 128) |
| 738 | #define CHAR_TABLE_DEFAULT_SLOT_8_BIT_CONTROL (0x9E + 128) |
| 739 | #define CHAR_TABLE_DEFAULT_SLOT_8_BIT_GRAPHIC (0x80 + 128) |
| 740 | |
| 741 | /* This is the number of slots that apply to characters of ASCII and |
| 742 | 8-bit Europeans only. */ |
| 743 | #define CHAR_TABLE_SINGLE_BYTE_SLOTS 256 |
| 744 | |
| 745 | /* This is the number of slots that every char table must have. This |
| 746 | counts the ordinary slots and the top, defalt, parent, and purpose |
| 747 | slots. */ |
| 748 | #define CHAR_TABLE_STANDARD_SLOTS (CHAR_TABLE_ORDINARY_SLOTS + 4) |
| 749 | |
| 750 | /* This is the number of slots that apply to position-code-1 and |
| 751 | position-code-2 of a multibyte character at the 2nd and 3rd level |
| 752 | sub char tables respectively. */ |
| 753 | #define SUB_CHAR_TABLE_ORDINARY_SLOTS 128 |
| 754 | |
| 755 | /* This is the number of slots that every sub char table must have. |
| 756 | This counts the ordinary slots and the top and defalt slot. */ |
| 757 | #define SUB_CHAR_TABLE_STANDARD_SLOTS (SUB_CHAR_TABLE_ORDINARY_SLOTS + 2) |
| 758 | |
| 759 | /* Return the number of "extra" slots in the char table CT. */ |
| 760 | |
| 761 | #define CHAR_TABLE_EXTRA_SLOTS(CT) \ |
| 762 | (((CT)->size & PSEUDOVECTOR_SIZE_MASK) - CHAR_TABLE_STANDARD_SLOTS) |
| 763 | |
| 764 | /* Almost equivalent to Faref (CT, IDX) with optimization for ASCII |
| 765 | and 8-bit Europeans characters. For these characters, do not check |
| 766 | validity of CT. Do not follow parent. */ |
| 767 | #define CHAR_TABLE_REF(CT, IDX) \ |
| 768 | ((IDX) >= 0 && (IDX) < CHAR_TABLE_SINGLE_BYTE_SLOTS \ |
| 769 | ? (!NILP (XCHAR_TABLE (CT)->contents[IDX]) \ |
| 770 | ? XCHAR_TABLE (CT)->contents[IDX] \ |
| 771 | : XCHAR_TABLE (CT)->defalt) \ |
| 772 | : Faref (CT, make_number (IDX))) |
| 773 | |
| 774 | /* Almost equivalent to Faref (CT, IDX) with optimization for ASCII |
| 775 | and 8-bit Europeans characters. However, if the result is nil, |
| 776 | return IDX. |
| 777 | |
| 778 | For these characters, do not check validity of CT |
| 779 | and do not follow parent. */ |
| 780 | #define CHAR_TABLE_TRANSLATE(CT, IDX) \ |
| 781 | ((IDX) < CHAR_TABLE_SINGLE_BYTE_SLOTS \ |
| 782 | ? (!NILP (XCHAR_TABLE (CT)->contents[IDX]) \ |
| 783 | ? XINT (XCHAR_TABLE (CT)->contents[IDX]) \ |
| 784 | : IDX) \ |
| 785 | : char_table_translate (CT, IDX)) |
| 786 | |
| 787 | /* Equivalent to Faset (CT, IDX, VAL) with optimization for ASCII and |
| 788 | 8-bit Europeans characters. Do not check validity of CT. */ |
| 789 | #define CHAR_TABLE_SET(CT, IDX, VAL) \ |
| 790 | do { \ |
| 791 | if (XFASTINT (IDX) < CHAR_TABLE_SINGLE_BYTE_SLOTS) \ |
| 792 | XCHAR_TABLE (CT)->contents[XFASTINT (IDX)] = VAL; \ |
| 793 | else \ |
| 794 | Faset (CT, IDX, VAL); \ |
| 795 | } while (0) |
| 796 | |
| 797 | struct Lisp_Char_Table |
| 798 | { |
| 799 | /* This is the vector's size field, which also holds the |
| 800 | pseudovector type information. It holds the size, too. |
| 801 | The size counts the top, defalt, purpose, and parent slots. |
| 802 | The last three are not counted if this is a sub char table. */ |
| 803 | EMACS_INT size; |
| 804 | struct Lisp_Vector *next; |
| 805 | /* This holds a flag to tell if this is a top level char table (t) |
| 806 | or a sub char table (nil). */ |
| 807 | Lisp_Object top; |
| 808 | /* This holds a default value, |
| 809 | which is used whenever the value for a specific character is nil. */ |
| 810 | Lisp_Object defalt; |
| 811 | /* This holds an actual value of each element. A sub char table |
| 812 | has only SUB_CHAR_TABLE_ORDINARY_SLOTS number of elements. */ |
| 813 | Lisp_Object contents[CHAR_TABLE_ORDINARY_SLOTS]; |
| 814 | |
| 815 | /* A sub char table doesn't has the following slots. */ |
| 816 | |
| 817 | /* This points to another char table, which we inherit from |
| 818 | when the value for a specific character is nil. |
| 819 | The `defalt' slot takes precedence over this. */ |
| 820 | Lisp_Object parent; |
| 821 | /* This should be a symbol which says what kind of use |
| 822 | this char-table is meant for. |
| 823 | Typically now the values can be `syntax-table' and `display-table'. */ |
| 824 | Lisp_Object purpose; |
| 825 | /* These hold additional data. */ |
| 826 | Lisp_Object extras[1]; |
| 827 | }; |
| 828 | |
| 829 | /* A boolvector is a kind of vectorlike, with contents are like a string. */ |
| 830 | struct Lisp_Bool_Vector |
| 831 | { |
| 832 | /* This is the vector's size field. It doesn't have the real size, |
| 833 | just the subtype information. */ |
| 834 | EMACS_INT vector_size; |
| 835 | struct Lisp_Vector *next; |
| 836 | /* This is the size in bits. */ |
| 837 | EMACS_INT size; |
| 838 | /* This contains the actual bits, packed into bytes. */ |
| 839 | unsigned char data[1]; |
| 840 | }; |
| 841 | |
| 842 | /* This structure describes a built-in function. |
| 843 | It is generated by the DEFUN macro only. |
| 844 | defsubr makes it into a Lisp object. |
| 845 | |
| 846 | This type is treated in most respects as a pseudovector, |
| 847 | but since we never dynamically allocate or free them, |
| 848 | we don't need a next-vector field. */ |
| 849 | |
| 850 | struct Lisp_Subr |
| 851 | { |
| 852 | EMACS_INT size; |
| 853 | Lisp_Object (*function) (); |
| 854 | short min_args, max_args; |
| 855 | char *symbol_name; |
| 856 | char *prompt; |
| 857 | char *doc; |
| 858 | }; |
| 859 | |
| 860 | \f |
| 861 | /*********************************************************************** |
| 862 | Symbols |
| 863 | ***********************************************************************/ |
| 864 | |
| 865 | /* Interned state of a symbol. */ |
| 866 | |
| 867 | enum symbol_interned |
| 868 | { |
| 869 | SYMBOL_UNINTERNED = 0, |
| 870 | SYMBOL_INTERNED = 1, |
| 871 | SYMBOL_INTERNED_IN_INITIAL_OBARRAY = 2 |
| 872 | }; |
| 873 | |
| 874 | /* In a symbol, the markbit of the plist is used as the gc mark bit */ |
| 875 | |
| 876 | struct Lisp_Symbol |
| 877 | { |
| 878 | unsigned gcmarkbit : 1; |
| 879 | |
| 880 | /* Non-zero means symbol serves as a variable alias. The symbol |
| 881 | holding the real value is found in the value slot. */ |
| 882 | unsigned indirect_variable : 1; |
| 883 | |
| 884 | /* Non-zero means symbol is constant, i.e. changing its value |
| 885 | should signal an error. */ |
| 886 | unsigned constant : 1; |
| 887 | |
| 888 | /* Interned state of the symbol. This is an enumerator from |
| 889 | enum symbol_interned. */ |
| 890 | unsigned interned : 2; |
| 891 | |
| 892 | /* The symbol's name, as a Lisp string. |
| 893 | |
| 894 | The name "xname" is used to intentionally break code referring to |
| 895 | the old field "name" of type pointer to struct Lisp_String. */ |
| 896 | Lisp_Object xname; |
| 897 | |
| 898 | /* Value of the symbol or Qunbound if unbound. If this symbol is a |
| 899 | defvaralias, `value' contains the symbol for which it is an |
| 900 | alias. Use the SYMBOL_VALUE and SET_SYMBOL_VALUE macros to get |
| 901 | and set a symbol's value, to take defvaralias into account. */ |
| 902 | Lisp_Object value; |
| 903 | |
| 904 | /* Function value of the symbol or Qunbound if not fboundp. */ |
| 905 | Lisp_Object function; |
| 906 | |
| 907 | /* The symbol's property list. */ |
| 908 | Lisp_Object plist; |
| 909 | |
| 910 | /* Next symbol in obarray bucket, if the symbol is interned. */ |
| 911 | struct Lisp_Symbol *next; |
| 912 | }; |
| 913 | |
| 914 | /* Value is name of symbol. */ |
| 915 | |
| 916 | #define SYMBOL_NAME(sym) \ |
| 917 | LISP_MAKE_RVALUE (XSYMBOL (sym)->xname) |
| 918 | |
| 919 | /* Value is non-zero if SYM is an interned symbol. */ |
| 920 | |
| 921 | #define SYMBOL_INTERNED_P(sym) \ |
| 922 | (XSYMBOL (sym)->interned != SYMBOL_UNINTERNED) |
| 923 | |
| 924 | /* Value is non-zero if SYM is interned in initial_obarray. */ |
| 925 | |
| 926 | #define SYMBOL_INTERNED_IN_INITIAL_OBARRAY_P(sym) \ |
| 927 | (XSYMBOL (sym)->interned == SYMBOL_INTERNED_IN_INITIAL_OBARRAY) |
| 928 | |
| 929 | /* Value is non-zero if symbol is considered a constant, i.e. its |
| 930 | value cannot be changed (there is an exception for keyword symbols, |
| 931 | whose value can be set to the keyword symbol itself). */ |
| 932 | |
| 933 | #define SYMBOL_CONSTANT_P(sym) XSYMBOL (sym)->constant |
| 934 | |
| 935 | /* Value is the value of SYM, with defvaralias taken into |
| 936 | account. */ |
| 937 | |
| 938 | #define SYMBOL_VALUE(sym) \ |
| 939 | (XSYMBOL (sym)->indirect_variable \ |
| 940 | ? XSYMBOL (indirect_variable (sym))->value \ |
| 941 | : XSYMBOL (sym)->value) |
| 942 | |
| 943 | /* Set SYM's value to VAL, taking defvaralias into account. */ |
| 944 | |
| 945 | #define SET_SYMBOL_VALUE(sym, val) \ |
| 946 | do { \ |
| 947 | if (XSYMBOL (sym)->indirect_variable) \ |
| 948 | XSYMBOL (indirect_variable ((sym)))->value = (val); \ |
| 949 | else \ |
| 950 | XSYMBOL (sym)->value = (val); \ |
| 951 | } while (0) |
| 952 | |
| 953 | \f |
| 954 | /*********************************************************************** |
| 955 | Hash Tables |
| 956 | ***********************************************************************/ |
| 957 | |
| 958 | /* The structure of a Lisp hash table. */ |
| 959 | |
| 960 | struct Lisp_Hash_Table |
| 961 | { |
| 962 | /* Vector fields. The hash table code doesn't refer to these. */ |
| 963 | EMACS_INT size; |
| 964 | struct Lisp_Vector *vec_next; |
| 965 | |
| 966 | /* Function used to compare keys. */ |
| 967 | Lisp_Object test; |
| 968 | |
| 969 | /* Nil if table is non-weak. Otherwise a symbol describing the |
| 970 | weakness of the table. */ |
| 971 | Lisp_Object weak; |
| 972 | |
| 973 | /* When the table is resized, and this is an integer, compute the |
| 974 | new size by adding this to the old size. If a float, compute the |
| 975 | new size by multiplying the old size with this factor. */ |
| 976 | Lisp_Object rehash_size; |
| 977 | |
| 978 | /* Resize hash table when number of entries/ table size is >= this |
| 979 | ratio, a float. */ |
| 980 | Lisp_Object rehash_threshold; |
| 981 | |
| 982 | /* Number of key/value entries in the table. */ |
| 983 | Lisp_Object count; |
| 984 | |
| 985 | /* Vector of keys and values. The key of item I is found at index |
| 986 | 2 * I, the value is found at index 2 * I + 1. */ |
| 987 | Lisp_Object key_and_value; |
| 988 | |
| 989 | /* Vector of hash codes.. If hash[I] is nil, this means that that |
| 990 | entry I is unused. */ |
| 991 | Lisp_Object hash; |
| 992 | |
| 993 | /* Vector used to chain entries. If entry I is free, next[I] is the |
| 994 | entry number of the next free item. If entry I is non-free, |
| 995 | next[I] is the index of the next entry in the collision chain. */ |
| 996 | Lisp_Object next; |
| 997 | |
| 998 | /* Index of first free entry in free list. */ |
| 999 | Lisp_Object next_free; |
| 1000 | |
| 1001 | /* Bucket vector. A non-nil entry is the index of the first item in |
| 1002 | a collision chain. This vector's size can be larger than the |
| 1003 | hash table size to reduce collisions. */ |
| 1004 | Lisp_Object index; |
| 1005 | |
| 1006 | /* Next weak hash table if this is a weak hash table. The head |
| 1007 | of the list is in Vweak_hash_tables. */ |
| 1008 | Lisp_Object next_weak; |
| 1009 | |
| 1010 | /* User-supplied hash function, or nil. */ |
| 1011 | Lisp_Object user_hash_function; |
| 1012 | |
| 1013 | /* User-supplied key comparison function, or nil. */ |
| 1014 | Lisp_Object user_cmp_function; |
| 1015 | |
| 1016 | /* C function to compare two keys. */ |
| 1017 | int (* cmpfn) P_ ((struct Lisp_Hash_Table *, Lisp_Object, |
| 1018 | unsigned, Lisp_Object, unsigned)); |
| 1019 | |
| 1020 | /* C function to compute hash code. */ |
| 1021 | unsigned (* hashfn) P_ ((struct Lisp_Hash_Table *, Lisp_Object)); |
| 1022 | }; |
| 1023 | |
| 1024 | |
| 1025 | #define XHASH_TABLE(OBJ) \ |
| 1026 | ((struct Lisp_Hash_Table *) XPNTR (OBJ)) |
| 1027 | |
| 1028 | #define XSET_HASH_TABLE(VAR, PTR) \ |
| 1029 | (XSETPSEUDOVECTOR (VAR, PTR, PVEC_HASH_TABLE)) |
| 1030 | |
| 1031 | #define HASH_TABLE_P(OBJ) PSEUDOVECTORP (OBJ, PVEC_HASH_TABLE) |
| 1032 | #define GC_HASH_TABLE_P(x) GC_PSEUDOVECTORP (x, PVEC_HASH_TABLE) |
| 1033 | |
| 1034 | #define CHECK_HASH_TABLE(x) \ |
| 1035 | do \ |
| 1036 | { \ |
| 1037 | if (!HASH_TABLE_P ((x))) \ |
| 1038 | x = wrong_type_argument (Qhash_table_p, (x)); \ |
| 1039 | } \ |
| 1040 | while (0) |
| 1041 | |
| 1042 | /* Value is the key part of entry IDX in hash table H. */ |
| 1043 | |
| 1044 | #define HASH_KEY(H, IDX) AREF ((H)->key_and_value, 2 * (IDX)) |
| 1045 | |
| 1046 | /* Value is the value part of entry IDX in hash table H. */ |
| 1047 | |
| 1048 | #define HASH_VALUE(H, IDX) AREF ((H)->key_and_value, 2 * (IDX) + 1) |
| 1049 | |
| 1050 | /* Value is the index of the next entry following the one at IDX |
| 1051 | in hash table H. */ |
| 1052 | |
| 1053 | #define HASH_NEXT(H, IDX) AREF ((H)->next, (IDX)) |
| 1054 | |
| 1055 | /* Value is the hash code computed for entry IDX in hash table H. */ |
| 1056 | |
| 1057 | #define HASH_HASH(H, IDX) AREF ((H)->hash, (IDX)) |
| 1058 | |
| 1059 | /* Value is the index of the element in hash table H that is the |
| 1060 | start of the collision list at index IDX in the index vector of H. */ |
| 1061 | |
| 1062 | #define HASH_INDEX(H, IDX) AREF ((H)->index, (IDX)) |
| 1063 | |
| 1064 | /* Value is the size of hash table H. */ |
| 1065 | |
| 1066 | #define HASH_TABLE_SIZE(H) XVECTOR ((H)->next)->size |
| 1067 | |
| 1068 | /* Default size for hash tables if not specified. */ |
| 1069 | |
| 1070 | #define DEFAULT_HASH_SIZE 65 |
| 1071 | |
| 1072 | /* Default threshold specifying when to resize a hash table. The |
| 1073 | value gives the ratio of current entries in the hash table and the |
| 1074 | size of the hash table. */ |
| 1075 | |
| 1076 | #define DEFAULT_REHASH_THRESHOLD 0.8 |
| 1077 | |
| 1078 | /* Default factor by which to increase the size of a hash table. */ |
| 1079 | |
| 1080 | #define DEFAULT_REHASH_SIZE 1.5 |
| 1081 | |
| 1082 | \f |
| 1083 | /* These structures are used for various misc types. */ |
| 1084 | |
| 1085 | struct Lisp_Marker |
| 1086 | { |
| 1087 | int type : 16; /* = Lisp_Misc_Marker */ |
| 1088 | unsigned gcmarkbit : 1; |
| 1089 | int spacer : 14; |
| 1090 | /* 1 means normal insertion at the marker's position |
| 1091 | leaves the marker after the inserted text. */ |
| 1092 | unsigned int insertion_type : 1; |
| 1093 | /* This is the buffer that the marker points into, |
| 1094 | or 0 if it points nowhere. */ |
| 1095 | struct buffer *buffer; |
| 1096 | |
| 1097 | /* The remaining fields are meaningless in a marker that |
| 1098 | does not point anywhere. */ |
| 1099 | |
| 1100 | /* For markers that point somewhere, |
| 1101 | this is used to chain of all the markers in a given buffer. */ |
| 1102 | struct Lisp_Marker *next; |
| 1103 | /* This is the char position where the marker points. */ |
| 1104 | EMACS_INT charpos; |
| 1105 | /* This is the byte position. */ |
| 1106 | EMACS_INT bytepos; |
| 1107 | }; |
| 1108 | |
| 1109 | /* Forwarding pointer to an int variable. |
| 1110 | This is allowed only in the value cell of a symbol, |
| 1111 | and it means that the symbol's value really lives in the |
| 1112 | specified int variable. */ |
| 1113 | struct Lisp_Intfwd |
| 1114 | { |
| 1115 | int type : 16; /* = Lisp_Misc_Intfwd */ |
| 1116 | unsigned gcmarkbit : 1; |
| 1117 | int spacer : 15; |
| 1118 | EMACS_INT *intvar; |
| 1119 | }; |
| 1120 | |
| 1121 | /* Boolean forwarding pointer to an int variable. |
| 1122 | This is like Lisp_Intfwd except that the ostensible |
| 1123 | "value" of the symbol is t if the int variable is nonzero, |
| 1124 | nil if it is zero. */ |
| 1125 | struct Lisp_Boolfwd |
| 1126 | { |
| 1127 | int type : 16; /* = Lisp_Misc_Boolfwd */ |
| 1128 | unsigned gcmarkbit : 1; |
| 1129 | int spacer : 15; |
| 1130 | int *boolvar; |
| 1131 | }; |
| 1132 | |
| 1133 | /* Forwarding pointer to a Lisp_Object variable. |
| 1134 | This is allowed only in the value cell of a symbol, |
| 1135 | and it means that the symbol's value really lives in the |
| 1136 | specified variable. */ |
| 1137 | struct Lisp_Objfwd |
| 1138 | { |
| 1139 | int type : 16; /* = Lisp_Misc_Objfwd */ |
| 1140 | unsigned gcmarkbit : 1; |
| 1141 | int spacer : 15; |
| 1142 | Lisp_Object *objvar; |
| 1143 | }; |
| 1144 | |
| 1145 | /* Like Lisp_Objfwd except that value lives in a slot in the |
| 1146 | current buffer. Value is byte index of slot within buffer. */ |
| 1147 | struct Lisp_Buffer_Objfwd |
| 1148 | { |
| 1149 | int type : 16; /* = Lisp_Misc_Buffer_Objfwd */ |
| 1150 | unsigned gcmarkbit : 1; |
| 1151 | int spacer : 15; |
| 1152 | int offset; |
| 1153 | }; |
| 1154 | |
| 1155 | /* struct Lisp_Buffer_Local_Value is used in a symbol value cell when |
| 1156 | the symbol has buffer-local or frame-local bindings. (Exception: |
| 1157 | some buffer-local variables are built-in, with their values stored |
| 1158 | in the buffer structure itself. They are handled differently, |
| 1159 | using struct Lisp_Buffer_Objfwd.) |
| 1160 | |
| 1161 | The `realvalue' slot holds the variable's current value, or a |
| 1162 | forwarding pointer to where that value is kept. This value is the |
| 1163 | one that corresponds to the loaded binding. To read or set the |
| 1164 | variable, you must first make sure the right binding is loaded; |
| 1165 | then you can access the value in (or through) `realvalue'. |
| 1166 | |
| 1167 | `buffer' and `frame' are the buffer and frame for which the loaded |
| 1168 | binding was found. If those have changed, to make sure the right |
| 1169 | binding is loaded it is necessary to find which binding goes with |
| 1170 | the current buffer and selected frame, then load it. To load it, |
| 1171 | first unload the previous binding, then copy the value of the new |
| 1172 | binding into `realvalue' (or through it). Also update |
| 1173 | LOADED-BINDING to point to the newly loaded binding. |
| 1174 | |
| 1175 | Lisp_Misc_Buffer_Local_Value and Lisp_Misc_Some_Buffer_Local_Value |
| 1176 | both use this kind of structure. With the former, merely setting |
| 1177 | the variable creates a local binding for the current buffer. With |
| 1178 | the latter, setting the variable does not do that; only |
| 1179 | make-local-variable does that. */ |
| 1180 | |
| 1181 | struct Lisp_Buffer_Local_Value |
| 1182 | { |
| 1183 | int type : 16; /* = Lisp_Misc_Buffer_Local_Value |
| 1184 | or Lisp_Misc_Some_Buffer_Local_Value */ |
| 1185 | unsigned gcmarkbit : 1; |
| 1186 | int spacer : 12; |
| 1187 | |
| 1188 | /* 1 means this variable is allowed to have frame-local bindings, |
| 1189 | so check for them when looking for the proper binding. */ |
| 1190 | unsigned int check_frame : 1; |
| 1191 | /* 1 means that the binding now loaded was found |
| 1192 | as a local binding for the buffer in the `buffer' slot. */ |
| 1193 | unsigned int found_for_buffer : 1; |
| 1194 | /* 1 means that the binding now loaded was found |
| 1195 | as a local binding for the frame in the `frame' slot. */ |
| 1196 | unsigned int found_for_frame : 1; |
| 1197 | Lisp_Object realvalue; |
| 1198 | /* The buffer and frame for which the loaded binding was found. */ |
| 1199 | Lisp_Object buffer, frame; |
| 1200 | |
| 1201 | /* A cons cell, (LOADED-BINDING . DEFAULT-VALUE). |
| 1202 | |
| 1203 | LOADED-BINDING is the binding now loaded. It is a cons cell |
| 1204 | whose cdr is the binding's value. The cons cell may be an |
| 1205 | element of a buffer's local-variable alist, or an element of a |
| 1206 | frame's parameter alist, or it may be this cons cell. |
| 1207 | |
| 1208 | DEFAULT-VALUE is the variable's default value, seen when the |
| 1209 | current buffer and selected frame do not have their own |
| 1210 | bindings for the variable. When the default binding is loaded, |
| 1211 | LOADED-BINDING is actually this very cons cell; thus, its car |
| 1212 | points to itself. */ |
| 1213 | Lisp_Object cdr; |
| 1214 | }; |
| 1215 | |
| 1216 | /* START and END are markers in the overlay's buffer, and |
| 1217 | PLIST is the overlay's property list. */ |
| 1218 | struct Lisp_Overlay |
| 1219 | { |
| 1220 | int type : 16; /* = Lisp_Misc_Overlay */ |
| 1221 | unsigned gcmarkbit : 1; |
| 1222 | int spacer : 15; |
| 1223 | struct Lisp_Overlay *next; |
| 1224 | Lisp_Object start, end, plist; |
| 1225 | }; |
| 1226 | |
| 1227 | /* Like Lisp_Objfwd except that value lives in a slot in the |
| 1228 | current kboard. */ |
| 1229 | struct Lisp_Kboard_Objfwd |
| 1230 | { |
| 1231 | int type : 16; /* = Lisp_Misc_Kboard_Objfwd */ |
| 1232 | unsigned gcmarkbit : 1; |
| 1233 | int spacer : 15; |
| 1234 | int offset; |
| 1235 | }; |
| 1236 | |
| 1237 | /* Hold a C pointer for later use. |
| 1238 | This type of object is used in the arg to record_unwind_protect. */ |
| 1239 | struct Lisp_Save_Value |
| 1240 | { |
| 1241 | int type : 16; /* = Lisp_Misc_Save_Value */ |
| 1242 | unsigned gcmarkbit : 1; |
| 1243 | int spacer : 14; |
| 1244 | /* If DOGC is set, POINTER is the address of a memory |
| 1245 | area containing INTEGER potential Lisp_Objects. */ |
| 1246 | unsigned int dogc : 1; |
| 1247 | void *pointer; |
| 1248 | int integer; |
| 1249 | }; |
| 1250 | |
| 1251 | |
| 1252 | /* A miscellaneous object, when it's on the free list. */ |
| 1253 | struct Lisp_Free |
| 1254 | { |
| 1255 | int type : 16; /* = Lisp_Misc_Free */ |
| 1256 | unsigned gcmarkbit : 1; |
| 1257 | int spacer : 15; |
| 1258 | union Lisp_Misc *chain; |
| 1259 | #ifdef USE_LSB_TAG |
| 1260 | /* Try to make sure that sizeof(Lisp_Misc) preserves TYPEBITS-alignment. |
| 1261 | This assumes that Lisp_Marker is the largest of the alternatives and |
| 1262 | that Lisp_Intfwd has the same size as "Lisp_Free w/o padding". */ |
| 1263 | char padding[((((sizeof (struct Lisp_Marker) - 1) >> GCTYPEBITS) + 1) |
| 1264 | << GCTYPEBITS) - sizeof (struct Lisp_Intfwd)]; |
| 1265 | #endif |
| 1266 | }; |
| 1267 | |
| 1268 | /* To get the type field of a union Lisp_Misc, use XMISCTYPE. |
| 1269 | It uses one of these struct subtypes to get the type field. */ |
| 1270 | |
| 1271 | union Lisp_Misc |
| 1272 | { |
| 1273 | struct Lisp_Free u_free; |
| 1274 | struct Lisp_Marker u_marker; |
| 1275 | struct Lisp_Intfwd u_intfwd; |
| 1276 | struct Lisp_Boolfwd u_boolfwd; |
| 1277 | struct Lisp_Objfwd u_objfwd; |
| 1278 | struct Lisp_Buffer_Objfwd u_buffer_objfwd; |
| 1279 | struct Lisp_Buffer_Local_Value u_buffer_local_value; |
| 1280 | struct Lisp_Overlay u_overlay; |
| 1281 | struct Lisp_Kboard_Objfwd u_kboard_objfwd; |
| 1282 | struct Lisp_Save_Value u_save_value; |
| 1283 | }; |
| 1284 | \f |
| 1285 | /* Lisp floating point type */ |
| 1286 | struct Lisp_Float |
| 1287 | { |
| 1288 | union |
| 1289 | { |
| 1290 | #ifdef HIDE_LISP_IMPLEMENTATION |
| 1291 | double data_; |
| 1292 | #else |
| 1293 | double data; |
| 1294 | #endif |
| 1295 | struct Lisp_Float *chain; |
| 1296 | } u; |
| 1297 | }; |
| 1298 | |
| 1299 | #ifdef HIDE_LISP_IMPLEMENTATION |
| 1300 | #define XFLOAT_DATA(f) (XFLOAT (f)->u.data_) |
| 1301 | #else |
| 1302 | #define XFLOAT_DATA(f) (XFLOAT (f)->u.data) |
| 1303 | #endif |
| 1304 | |
| 1305 | /* A character, declared with the following typedef, is a member |
| 1306 | of some character set associated with the current buffer. */ |
| 1307 | #ifndef _UCHAR_T /* Protect against something in ctab.h on AIX. */ |
| 1308 | #define _UCHAR_T |
| 1309 | typedef unsigned char UCHAR; |
| 1310 | #endif |
| 1311 | |
| 1312 | /* Meanings of slots in a Lisp_Compiled: */ |
| 1313 | |
| 1314 | #define COMPILED_ARGLIST 0 |
| 1315 | #define COMPILED_BYTECODE 1 |
| 1316 | #define COMPILED_CONSTANTS 2 |
| 1317 | #define COMPILED_STACK_DEPTH 3 |
| 1318 | #define COMPILED_DOC_STRING 4 |
| 1319 | #define COMPILED_INTERACTIVE 5 |
| 1320 | |
| 1321 | /* Flag bits in a character. These also get used in termhooks.h. |
| 1322 | Richard Stallman <rms@gnu.ai.mit.edu> thinks that MULE |
| 1323 | (MUlti-Lingual Emacs) might need 22 bits for the character value |
| 1324 | itself, so we probably shouldn't use any bits lower than 0x0400000. */ |
| 1325 | #define CHAR_ALT (0x0400000) |
| 1326 | #define CHAR_SUPER (0x0800000) |
| 1327 | #define CHAR_HYPER (0x1000000) |
| 1328 | #define CHAR_SHIFT (0x2000000) |
| 1329 | #define CHAR_CTL (0x4000000) |
| 1330 | #define CHAR_META (0x8000000) |
| 1331 | |
| 1332 | #define CHAR_MODIFIER_MASK \ |
| 1333 | (CHAR_ALT | CHAR_SUPER | CHAR_HYPER | CHAR_SHIFT | CHAR_CTL | CHAR_META) |
| 1334 | |
| 1335 | |
| 1336 | /* Actually, the current Emacs uses 19 bits for the character value |
| 1337 | itself. */ |
| 1338 | #define CHARACTERBITS 19 |
| 1339 | |
| 1340 | /* The maximum byte size consumed by push_key_description. |
| 1341 | All callers should assure that at least this size of memory is |
| 1342 | allocated at the place pointed by the second argument. |
| 1343 | |
| 1344 | Thers are 6 modifiers, each consumes 2 chars. |
| 1345 | The octal form of a character code consumes |
| 1346 | (1 + CHARACTERBITS / 3 + 1) chars (including backslash at the head). |
| 1347 | We need one more byte for string terminator `\0'. */ |
| 1348 | #define KEY_DESCRIPTION_SIZE ((2 * 6) + 1 + (CHARACTERBITS / 3) + 1 + 1) |
| 1349 | |
| 1350 | #ifdef USE_X_TOOLKIT |
| 1351 | #ifdef NO_UNION_TYPE |
| 1352 | /* Use this for turning a (void *) into a Lisp_Object, as when the |
| 1353 | Lisp_Object is passed into a toolkit callback function. */ |
| 1354 | #define VOID_TO_LISP(larg,varg) \ |
| 1355 | do { ((larg) = ((Lisp_Object) (varg))); } while (0) |
| 1356 | #define CVOID_TO_LISP VOID_TO_LISP |
| 1357 | |
| 1358 | /* Use this for turning a Lisp_Object into a (void *), as when the |
| 1359 | Lisp_Object is passed into a toolkit callback function. */ |
| 1360 | #define LISP_TO_VOID(larg) ((void *) (larg)) |
| 1361 | #define LISP_TO_CVOID(varg) ((const void *) (larg)) |
| 1362 | |
| 1363 | #else /* not NO_UNION_TYPE */ |
| 1364 | /* Use this for turning a (void *) into a Lisp_Object, as when the |
| 1365 | Lisp_Object is passed into a toolkit callback function. */ |
| 1366 | #define VOID_TO_LISP(larg,varg) \ |
| 1367 | do { ((larg).v = (void *) (varg)); } while (0) |
| 1368 | #define CVOID_TO_LISP(larg,varg) \ |
| 1369 | do { ((larg).cv = (const void *) (varg)); } while (0) |
| 1370 | |
| 1371 | /* Use this for turning a Lisp_Object into a (void *), as when the |
| 1372 | Lisp_Object is passed into a toolkit callback function. */ |
| 1373 | #define LISP_TO_VOID(larg) ((larg).v) |
| 1374 | #define LISP_TO_CVOID(larg) ((larg).cv) |
| 1375 | #endif /* not NO_UNION_TYPE */ |
| 1376 | #endif /* USE_X_TOOLKIT */ |
| 1377 | |
| 1378 | \f |
| 1379 | /* The glyph datatype, used to represent characters on the display. */ |
| 1380 | |
| 1381 | /* Glyph code to use as an index to the glyph table. If it is out of |
| 1382 | range for the glyph table, or the corresonding element in the table |
| 1383 | is nil, the low 8 bits are the single byte character code, and the |
| 1384 | bits above are the numeric face ID. If FID is the face ID of a |
| 1385 | glyph on a frame F, then F->display.x->faces[FID] contains the |
| 1386 | description of that face. This is an int instead of a short, so we |
| 1387 | can support a good bunch of face ID's (2^(31 - 8)); given that we |
| 1388 | have no mechanism for tossing unused frame face ID's yet, we'll |
| 1389 | probably run out of 255 pretty quickly. |
| 1390 | This is always -1 for a multibyte character. */ |
| 1391 | #define GLYPH int |
| 1392 | |
| 1393 | /* Mask bits for face. */ |
| 1394 | #define GLYPH_MASK_FACE 0x7FF80000 |
| 1395 | /* Mask bits for character code. */ |
| 1396 | #define GLYPH_MASK_CHAR 0x0007FFFF /* The lowest 19 bits */ |
| 1397 | |
| 1398 | /* The FAST macros assume that we already know we're in an X window. */ |
| 1399 | |
| 1400 | /* Set a character code and a face ID in a glyph G. */ |
| 1401 | #define FAST_MAKE_GLYPH(char, face) ((char) | ((face) << CHARACTERBITS)) |
| 1402 | |
| 1403 | /* Return a glyph's character code. */ |
| 1404 | #define FAST_GLYPH_CHAR(glyph) ((glyph) & GLYPH_MASK_CHAR) |
| 1405 | |
| 1406 | /* Return a glyph's face ID. */ |
| 1407 | #define FAST_GLYPH_FACE(glyph) (((glyph) & GLYPH_MASK_FACE) >> CHARACTERBITS) |
| 1408 | |
| 1409 | /* Slower versions that test the frame type first. */ |
| 1410 | #define MAKE_GLYPH(f, char, face) (FAST_MAKE_GLYPH (char, face)) |
| 1411 | #define GLYPH_CHAR(f, g) (FAST_GLYPH_CHAR (g)) |
| 1412 | #define GLYPH_FACE(f, g) (FAST_GLYPH_FACE (g)) |
| 1413 | |
| 1414 | /* Return 1 iff GLYPH contains valid character code. */ |
| 1415 | #define GLYPH_CHAR_VALID_P(glyph) CHAR_VALID_P (FAST_GLYPH_CHAR (glyph), 1) |
| 1416 | |
| 1417 | /* The ID of the mode line highlighting face. */ |
| 1418 | #define GLYPH_MODE_LINE_FACE 1 |
| 1419 | \f |
| 1420 | /* Data type checking */ |
| 1421 | |
| 1422 | #define NILP(x) EQ (x, Qnil) |
| 1423 | #define GC_NILP(x) GC_EQ (x, Qnil) |
| 1424 | |
| 1425 | #define NUMBERP(x) (INTEGERP (x) || FLOATP (x)) |
| 1426 | #define GC_NUMBERP(x) (GC_INTEGERP (x) || GC_FLOATP (x)) |
| 1427 | #define NATNUMP(x) (INTEGERP (x) && XINT (x) >= 0) |
| 1428 | #define GC_NATNUMP(x) (GC_INTEGERP (x) && XINT (x) >= 0) |
| 1429 | |
| 1430 | #define INTEGERP(x) (XTYPE ((x)) == Lisp_Int) |
| 1431 | #define GC_INTEGERP(x) INTEGERP (x) |
| 1432 | #define SYMBOLP(x) (XTYPE ((x)) == Lisp_Symbol) |
| 1433 | #define GC_SYMBOLP(x) (XGCTYPE ((x)) == Lisp_Symbol) |
| 1434 | #define MISCP(x) (XTYPE ((x)) == Lisp_Misc) |
| 1435 | #define GC_MISCP(x) (XGCTYPE ((x)) == Lisp_Misc) |
| 1436 | #define VECTORLIKEP(x) (XTYPE ((x)) == Lisp_Vectorlike) |
| 1437 | #define GC_VECTORLIKEP(x) (XGCTYPE ((x)) == Lisp_Vectorlike) |
| 1438 | #define STRINGP(x) (XTYPE ((x)) == Lisp_String) |
| 1439 | #define GC_STRINGP(x) (XGCTYPE ((x)) == Lisp_String) |
| 1440 | #define CONSP(x) (XTYPE ((x)) == Lisp_Cons) |
| 1441 | #define GC_CONSP(x) (XGCTYPE ((x)) == Lisp_Cons) |
| 1442 | |
| 1443 | #define FLOATP(x) (XTYPE ((x)) == Lisp_Float) |
| 1444 | #define GC_FLOATP(x) (XGCTYPE ((x)) == Lisp_Float) |
| 1445 | #define VECTORP(x) (VECTORLIKEP (x) && !(XVECTOR (x)->size & PSEUDOVECTOR_FLAG)) |
| 1446 | #define GC_VECTORP(x) (GC_VECTORLIKEP (x) && !(XVECTOR (x)->size & PSEUDOVECTOR_FLAG)) |
| 1447 | #define OVERLAYP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Overlay) |
| 1448 | #define GC_OVERLAYP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Overlay) |
| 1449 | #define MARKERP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Marker) |
| 1450 | #define GC_MARKERP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Marker) |
| 1451 | #define INTFWDP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Intfwd) |
| 1452 | #define GC_INTFWDP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Intfwd) |
| 1453 | #define BOOLFWDP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Boolfwd) |
| 1454 | #define GC_BOOLFWDP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Boolfwd) |
| 1455 | #define OBJFWDP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Objfwd) |
| 1456 | #define GC_OBJFWDP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Objfwd) |
| 1457 | #define BUFFER_OBJFWDP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Buffer_Objfwd) |
| 1458 | #define GC_BUFFER_OBJFWDP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Buffer_Objfwd) |
| 1459 | #define BUFFER_LOCAL_VALUEP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Buffer_Local_Value) |
| 1460 | #define GC_BUFFER_LOCAL_VALUEP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Buffer_Local_Value) |
| 1461 | #define SOME_BUFFER_LOCAL_VALUEP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Some_Buffer_Local_Value) |
| 1462 | #define GC_SOME_BUFFER_LOCAL_VALUEP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Some_Buffer_Local_Value) |
| 1463 | #define KBOARD_OBJFWDP(x) (MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Kboard_Objfwd) |
| 1464 | #define GC_KBOARD_OBJFWDP(x) (GC_MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Kboard_Objfwd) |
| 1465 | |
| 1466 | |
| 1467 | /* True if object X is a pseudovector whose code is CODE. */ |
| 1468 | #define PSEUDOVECTORP(x, code) \ |
| 1469 | (VECTORLIKEP (x) \ |
| 1470 | && (((XVECTOR (x)->size & (PSEUDOVECTOR_FLAG | (code)))) \ |
| 1471 | == (PSEUDOVECTOR_FLAG | (code)))) |
| 1472 | |
| 1473 | /* True if object X is a pseudovector whose code is CODE. |
| 1474 | This one works during GC. */ |
| 1475 | #define GC_PSEUDOVECTORP(x, code) \ |
| 1476 | (GC_VECTORLIKEP (x) \ |
| 1477 | && (((XVECTOR (x)->size & (PSEUDOVECTOR_FLAG | (code)))) \ |
| 1478 | == (PSEUDOVECTOR_FLAG | (code)))) |
| 1479 | |
| 1480 | /* Test for specific pseudovector types. */ |
| 1481 | #define WINDOW_CONFIGURATIONP(x) PSEUDOVECTORP (x, PVEC_WINDOW_CONFIGURATION) |
| 1482 | #define GC_WINDOW_CONFIGURATIONP(x) GC_PSEUDOVECTORP (x, PVEC_WINDOW_CONFIGURATION) |
| 1483 | #define PROCESSP(x) PSEUDOVECTORP (x, PVEC_PROCESS) |
| 1484 | #define GC_PROCESSP(x) GC_PSEUDOVECTORP (x, PVEC_PROCESS) |
| 1485 | #define WINDOWP(x) PSEUDOVECTORP (x, PVEC_WINDOW) |
| 1486 | #define GC_WINDOWP(x) GC_PSEUDOVECTORP (x, PVEC_WINDOW) |
| 1487 | #define SUBRP(x) PSEUDOVECTORP (x, PVEC_SUBR) |
| 1488 | #define GC_SUBRP(x) GC_PSEUDOVECTORP (x, PVEC_SUBR) |
| 1489 | #define COMPILEDP(x) PSEUDOVECTORP (x, PVEC_COMPILED) |
| 1490 | #define GC_COMPILEDP(x) GC_PSEUDOVECTORP (x, PVEC_COMPILED) |
| 1491 | #define BUFFERP(x) PSEUDOVECTORP (x, PVEC_BUFFER) |
| 1492 | #define GC_BUFFERP(x) GC_PSEUDOVECTORP (x, PVEC_BUFFER) |
| 1493 | #define CHAR_TABLE_P(x) PSEUDOVECTORP (x, PVEC_CHAR_TABLE) |
| 1494 | #define GC_CHAR_TABLE_P(x) GC_PSEUDOVECTORP (x, PVEC_CHAR_TABLE) |
| 1495 | #define BOOL_VECTOR_P(x) PSEUDOVECTORP (x, PVEC_BOOL_VECTOR) |
| 1496 | #define GC_BOOL_VECTOR_P(x) GC_PSEUDOVECTORP (x, PVEC_BOOL_VECTOR) |
| 1497 | #define FRAMEP(x) PSEUDOVECTORP (x, PVEC_FRAME) |
| 1498 | #define GC_FRAMEP(x) GC_PSEUDOVECTORP (x, PVEC_FRAME) |
| 1499 | |
| 1500 | #define SUB_CHAR_TABLE_P(x) (CHAR_TABLE_P (x) && NILP (XCHAR_TABLE (x)->top)) |
| 1501 | |
| 1502 | /* Test for image (image . spec) */ |
| 1503 | #define IMAGEP(x) (CONSP (x) && EQ (XCAR (x), Qimage)) |
| 1504 | |
| 1505 | \f |
| 1506 | #define GC_EQ(x, y) EQ (x, y) |
| 1507 | |
| 1508 | #define CHECK_LIST(x) \ |
| 1509 | do { if (!CONSP ((x)) && !NILP (x)) x = wrong_type_argument (Qlistp, (x)); } while (0) |
| 1510 | |
| 1511 | #define CHECK_STRING(x) \ |
| 1512 | do { if (!STRINGP ((x))) x = wrong_type_argument (Qstringp, (x)); } while (0) |
| 1513 | |
| 1514 | #define CHECK_STRING_CAR(x) \ |
| 1515 | do { if (!STRINGP (XCAR (x))) XSETCAR (x, wrong_type_argument (Qstringp, XCAR (x))); } while (0) |
| 1516 | |
| 1517 | #define CHECK_CONS(x) \ |
| 1518 | do { if (!CONSP ((x))) x = wrong_type_argument (Qconsp, (x)); } while (0) |
| 1519 | |
| 1520 | #define CHECK_SYMBOL(x) \ |
| 1521 | do { if (!SYMBOLP ((x))) x = wrong_type_argument (Qsymbolp, (x)); } while (0) |
| 1522 | |
| 1523 | #define CHECK_CHAR_TABLE(x) \ |
| 1524 | do { if (!CHAR_TABLE_P ((x))) \ |
| 1525 | x = wrong_type_argument (Qchar_table_p, (x)); } while (0) |
| 1526 | |
| 1527 | #define CHECK_VECTOR(x) \ |
| 1528 | do { if (!VECTORP ((x))) x = wrong_type_argument (Qvectorp, (x)); } while (0) |
| 1529 | |
| 1530 | #define CHECK_VECTOR_OR_CHAR_TABLE(x) \ |
| 1531 | do { if (!VECTORP ((x)) && !CHAR_TABLE_P ((x))) \ |
| 1532 | x = wrong_type_argument (Qvector_or_char_table_p, (x)); \ |
| 1533 | } while (0) |
| 1534 | |
| 1535 | #define CHECK_BUFFER(x) \ |
| 1536 | do { if (!BUFFERP ((x))) x = wrong_type_argument (Qbufferp, (x)); } while (0) |
| 1537 | |
| 1538 | #define CHECK_WINDOW(x) \ |
| 1539 | do { if (!WINDOWP ((x))) x = wrong_type_argument (Qwindowp, (x)); } while (0) |
| 1540 | |
| 1541 | /* This macro rejects windows on the interior of the window tree as |
| 1542 | "dead", which is what we want; this is an argument-checking macro, and |
| 1543 | the user should never get access to interior windows. |
| 1544 | |
| 1545 | A window of any sort, leaf or interior, is dead iff the buffer, |
| 1546 | vchild, and hchild members are all nil. */ |
| 1547 | |
| 1548 | #define CHECK_LIVE_WINDOW(x) \ |
| 1549 | do { \ |
| 1550 | if (!WINDOWP ((x)) \ |
| 1551 | || NILP (XWINDOW ((x))->buffer)) \ |
| 1552 | x = wrong_type_argument (Qwindow_live_p, (x)); \ |
| 1553 | } while (0) |
| 1554 | |
| 1555 | #define CHECK_PROCESS(x) \ |
| 1556 | do { if (!PROCESSP ((x))) x = wrong_type_argument (Qprocessp, (x)); } while (0) |
| 1557 | |
| 1558 | #define CHECK_NUMBER(x) \ |
| 1559 | do { if (!INTEGERP ((x))) x = wrong_type_argument (Qintegerp, (x)); } while (0) |
| 1560 | |
| 1561 | #define CHECK_NATNUM(x) \ |
| 1562 | do { if (!NATNUMP (x)) x = wrong_type_argument (Qwholenump, (x)); } while (0) |
| 1563 | |
| 1564 | #define CHECK_MARKER(x) \ |
| 1565 | do { if (!MARKERP ((x))) x = wrong_type_argument (Qmarkerp, (x)); } while (0) |
| 1566 | |
| 1567 | #define CHECK_NUMBER_COERCE_MARKER(x) \ |
| 1568 | do { if (MARKERP ((x))) XSETFASTINT (x, marker_position (x)); \ |
| 1569 | else if (!INTEGERP ((x))) x = wrong_type_argument (Qinteger_or_marker_p, (x)); } while (0) |
| 1570 | |
| 1571 | #define XFLOATINT(n) extract_float((n)) |
| 1572 | |
| 1573 | #define CHECK_FLOAT(x) \ |
| 1574 | do { if (!FLOATP (x)) \ |
| 1575 | x = wrong_type_argument (Qfloatp, (x)); } while (0) |
| 1576 | |
| 1577 | #define CHECK_NUMBER_OR_FLOAT(x) \ |
| 1578 | do { if (!FLOATP (x) && !INTEGERP (x)) \ |
| 1579 | x = wrong_type_argument (Qnumberp, (x)); } while (0) |
| 1580 | |
| 1581 | #define CHECK_NUMBER_OR_FLOAT_COERCE_MARKER(x) \ |
| 1582 | do { if (MARKERP (x)) XSETFASTINT (x, marker_position (x)); \ |
| 1583 | else if (!INTEGERP (x) && !FLOATP (x)) \ |
| 1584 | x = wrong_type_argument (Qnumber_or_marker_p, (x)); } while (0) |
| 1585 | |
| 1586 | #define CHECK_OVERLAY(x) \ |
| 1587 | do { if (!OVERLAYP ((x))) x = wrong_type_argument (Qoverlayp, (x));} while (0) |
| 1588 | |
| 1589 | /* Since we can't assign directly to the CAR or CDR fields of a cons |
| 1590 | cell, use these when checking that those fields contain numbers. */ |
| 1591 | #define CHECK_NUMBER_CAR(x) \ |
| 1592 | do { \ |
| 1593 | Lisp_Object tmp = XCAR (x); \ |
| 1594 | CHECK_NUMBER (tmp); \ |
| 1595 | XSETCAR ((x), tmp); \ |
| 1596 | } while (0) |
| 1597 | |
| 1598 | #define CHECK_NUMBER_CDR(x) \ |
| 1599 | do { \ |
| 1600 | Lisp_Object tmp = XCDR (x); \ |
| 1601 | CHECK_NUMBER (tmp); \ |
| 1602 | XSETCDR ((x), tmp); \ |
| 1603 | } while (0) |
| 1604 | |
| 1605 | /* Cast pointers to this type to compare them. Some machines want int. */ |
| 1606 | #ifndef PNTR_COMPARISON_TYPE |
| 1607 | #define PNTR_COMPARISON_TYPE EMACS_UINT |
| 1608 | #endif |
| 1609 | \f |
| 1610 | /* Define a built-in function for calling from Lisp. |
| 1611 | `lname' should be the name to give the function in Lisp, |
| 1612 | as a null-terminated C string. |
| 1613 | `fnname' should be the name of the function in C. |
| 1614 | By convention, it starts with F. |
| 1615 | `sname' should be the name for the C constant structure |
| 1616 | that records information on this function for internal use. |
| 1617 | By convention, it should be the same as `fnname' but with S instead of F. |
| 1618 | It's too bad that C macros can't compute this from `fnname'. |
| 1619 | `minargs' should be a number, the minimum number of arguments allowed. |
| 1620 | `maxargs' should be a number, the maximum number of arguments allowed, |
| 1621 | or else MANY or UNEVALLED. |
| 1622 | MANY means pass a vector of evaluated arguments, |
| 1623 | in the form of an integer number-of-arguments |
| 1624 | followed by the address of a vector of Lisp_Objects |
| 1625 | which contains the argument values. |
| 1626 | UNEVALLED means pass the list of unevaluated arguments |
| 1627 | `prompt' says how to read arguments for an interactive call. |
| 1628 | See the doc string for `interactive'. |
| 1629 | A null string means call interactively with no arguments. |
| 1630 | `doc' is documentation for the user. */ |
| 1631 | |
| 1632 | #if (!defined (__STDC__) && !defined (PROTOTYPES)) \ |
| 1633 | || defined (USE_NONANSI_DEFUN) |
| 1634 | |
| 1635 | #define DEFUN(lname, fnname, sname, minargs, maxargs, prompt, doc) \ |
| 1636 | Lisp_Object fnname (); \ |
| 1637 | DECL_ALIGN (struct Lisp_Subr, sname) = \ |
| 1638 | { PVEC_SUBR | (sizeof (struct Lisp_Subr) / sizeof (EMACS_INT)), \ |
| 1639 | fnname, minargs, maxargs, lname, prompt, 0}; \ |
| 1640 | Lisp_Object fnname |
| 1641 | |
| 1642 | #else |
| 1643 | |
| 1644 | /* This version of DEFUN declares a function prototype with the right |
| 1645 | arguments, so we can catch errors with maxargs at compile-time. */ |
| 1646 | #define DEFUN(lname, fnname, sname, minargs, maxargs, prompt, doc) \ |
| 1647 | Lisp_Object fnname DEFUN_ARGS_ ## maxargs ; \ |
| 1648 | DECL_ALIGN (struct Lisp_Subr, sname) = \ |
| 1649 | { PVEC_SUBR | (sizeof (struct Lisp_Subr) / sizeof (EMACS_INT)), \ |
| 1650 | fnname, minargs, maxargs, lname, prompt, 0}; \ |
| 1651 | Lisp_Object fnname |
| 1652 | |
| 1653 | /* Note that the weird token-substitution semantics of ANSI C makes |
| 1654 | this work for MANY and UNEVALLED. */ |
| 1655 | #define DEFUN_ARGS_MANY (int, Lisp_Object *) |
| 1656 | #define DEFUN_ARGS_UNEVALLED (Lisp_Object) |
| 1657 | #define DEFUN_ARGS_0 (void) |
| 1658 | #define DEFUN_ARGS_1 (Lisp_Object) |
| 1659 | #define DEFUN_ARGS_2 (Lisp_Object, Lisp_Object) |
| 1660 | #define DEFUN_ARGS_3 (Lisp_Object, Lisp_Object, Lisp_Object) |
| 1661 | #define DEFUN_ARGS_4 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object) |
| 1662 | #define DEFUN_ARGS_5 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, \ |
| 1663 | Lisp_Object) |
| 1664 | #define DEFUN_ARGS_6 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, \ |
| 1665 | Lisp_Object, Lisp_Object) |
| 1666 | #define DEFUN_ARGS_7 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, \ |
| 1667 | Lisp_Object, Lisp_Object, Lisp_Object) |
| 1668 | #define DEFUN_ARGS_8 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, \ |
| 1669 | Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object) |
| 1670 | #endif |
| 1671 | |
| 1672 | /* Non-zero if OBJ is a Lisp function. */ |
| 1673 | |
| 1674 | #define FUNCTIONP(OBJ) \ |
| 1675 | ((CONSP (OBJ) && EQ (XCAR (OBJ), Qlambda)) \ |
| 1676 | || (SYMBOLP (OBJ) && !NILP (Ffboundp (OBJ))) \ |
| 1677 | || COMPILEDP (OBJ) \ |
| 1678 | || SUBRP (OBJ)) |
| 1679 | |
| 1680 | /* defsubr (Sname); |
| 1681 | is how we define the symbol for function `name' at start-up time. */ |
| 1682 | extern void defsubr P_ ((struct Lisp_Subr *)); |
| 1683 | |
| 1684 | #define MANY -2 |
| 1685 | #define UNEVALLED -1 |
| 1686 | |
| 1687 | extern void defvar_lisp P_ ((char *, Lisp_Object *)); |
| 1688 | extern void defvar_lisp_nopro P_ ((char *, Lisp_Object *)); |
| 1689 | extern void defvar_bool P_ ((char *, int *)); |
| 1690 | extern void defvar_int P_ ((char *, EMACS_INT *)); |
| 1691 | extern void defvar_per_buffer P_ ((char *, Lisp_Object *, Lisp_Object, char *)); |
| 1692 | extern void defvar_kboard P_ ((char *, int)); |
| 1693 | |
| 1694 | /* Macros we use to define forwarded Lisp variables. |
| 1695 | These are used in the syms_of_FILENAME functions. */ |
| 1696 | |
| 1697 | #define DEFVAR_LISP(lname, vname, doc) defvar_lisp (lname, vname) |
| 1698 | #define DEFVAR_LISP_NOPRO(lname, vname, doc) defvar_lisp_nopro (lname, vname) |
| 1699 | #define DEFVAR_BOOL(lname, vname, doc) defvar_bool (lname, vname) |
| 1700 | #define DEFVAR_INT(lname, vname, doc) defvar_int (lname, vname) |
| 1701 | |
| 1702 | /* TYPE is nil for a general Lisp variable. |
| 1703 | An integer specifies a type; then only LIsp values |
| 1704 | with that type code are allowed (except that nil is allowed too). |
| 1705 | LNAME is the LIsp-level variable name. |
| 1706 | VNAME is the name of the buffer slot. |
| 1707 | DOC is a dummy where you write the doc string as a comment. */ |
| 1708 | #define DEFVAR_PER_BUFFER(lname, vname, type, doc) \ |
| 1709 | defvar_per_buffer (lname, vname, type, 0) |
| 1710 | |
| 1711 | #define DEFVAR_KBOARD(lname, vname, doc) \ |
| 1712 | defvar_kboard (lname, \ |
| 1713 | (int)((char *)(¤t_kboard->vname) \ |
| 1714 | - (char *)current_kboard)) |
| 1715 | |
| 1716 | |
| 1717 | \f |
| 1718 | /* Structure for recording Lisp call stack for backtrace purposes. */ |
| 1719 | |
| 1720 | /* The special binding stack holds the outer values of variables while |
| 1721 | they are bound by a function application or a let form, stores the |
| 1722 | code to be executed for Lisp unwind-protect forms, and stores the C |
| 1723 | functions to be called for record_unwind_protect. |
| 1724 | |
| 1725 | If func is non-zero, undoing this binding applies func to old_value; |
| 1726 | This implements record_unwind_protect. |
| 1727 | |
| 1728 | Otherwise, the element is a variable binding. |
| 1729 | |
| 1730 | If the symbol field is a symbol, it is an ordinary variable binding. |
| 1731 | |
| 1732 | Otherwise, it should be a structure (SYMBOL WHERE |
| 1733 | . CURRENT-BUFFER), which means having bound a local value while |
| 1734 | CURRENT-BUFFER was active. If WHERE is nil this means we saw the |
| 1735 | default value when binding SYMBOL. WHERE being a buffer or frame |
| 1736 | means we saw a buffer-local or frame-local value. Other values of |
| 1737 | WHERE mean an internal error. */ |
| 1738 | |
| 1739 | typedef Lisp_Object (*specbinding_func) P_ ((Lisp_Object)); |
| 1740 | |
| 1741 | struct specbinding |
| 1742 | { |
| 1743 | volatile Lisp_Object symbol, old_value; |
| 1744 | volatile specbinding_func func; |
| 1745 | Lisp_Object unused; /* Dividing by 16 is faster than by 12 */ |
| 1746 | }; |
| 1747 | |
| 1748 | extern struct specbinding *specpdl; |
| 1749 | extern volatile struct specbinding *specpdl_ptr; |
| 1750 | extern int specpdl_size; |
| 1751 | |
| 1752 | extern EMACS_INT max_specpdl_size; |
| 1753 | |
| 1754 | #define SPECPDL_INDEX() (specpdl_ptr - specpdl) |
| 1755 | |
| 1756 | /* Everything needed to describe an active condition case. */ |
| 1757 | struct handler |
| 1758 | { |
| 1759 | /* The handler clauses and variable from the condition-case form. */ |
| 1760 | /* For a handler set up in Lisp code, this is always a list. |
| 1761 | For an internal handler set up by internal_condition_case*, |
| 1762 | this can instead be the symbol t or `error'. |
| 1763 | t: handle all conditions. |
| 1764 | error: handle all conditions, and errors can run the debugger |
| 1765 | or display a backtrace. */ |
| 1766 | Lisp_Object handler; |
| 1767 | Lisp_Object var; |
| 1768 | /* Fsignal stores here the condition-case clause that applies, |
| 1769 | and Fcondition_case thus knows which clause to run. */ |
| 1770 | Lisp_Object chosen_clause; |
| 1771 | |
| 1772 | /* Used to effect the longjump out to the handler. */ |
| 1773 | struct catchtag *tag; |
| 1774 | |
| 1775 | /* The next enclosing handler. */ |
| 1776 | struct handler *next; |
| 1777 | }; |
| 1778 | |
| 1779 | extern struct handler *handlerlist; |
| 1780 | |
| 1781 | extern struct catchtag *catchlist; |
| 1782 | extern struct backtrace *backtrace_list; |
| 1783 | |
| 1784 | extern Lisp_Object memory_signal_data; |
| 1785 | |
| 1786 | /* An address near the bottom of the stack. |
| 1787 | Tells GC how to save a copy of the stack. */ |
| 1788 | extern char *stack_bottom; |
| 1789 | |
| 1790 | /* Check quit-flag and quit if it is non-nil. |
| 1791 | Typing C-g does not directly cause a quit; it only sets Vquit_flag. |
| 1792 | So the program needs to do QUIT at times when it is safe to quit. |
| 1793 | Every loop that might run for a long time or might not exit |
| 1794 | ought to do QUIT at least once, at a safe place. |
| 1795 | Unless that is impossible, of course. |
| 1796 | But it is very desirable to avoid creating loops where QUIT is impossible. |
| 1797 | |
| 1798 | Exception: if you set immediate_quit to nonzero, |
| 1799 | then the handler that responds to the C-g does the quit itself. |
| 1800 | This is a good thing to do around a loop that has no side effects |
| 1801 | and (in particular) cannot call arbitrary Lisp code. */ |
| 1802 | |
| 1803 | #ifdef SYNC_INPUT |
| 1804 | extern void handle_async_input P_ ((void)); |
| 1805 | extern int interrupt_input_pending; |
| 1806 | |
| 1807 | #define QUIT \ |
| 1808 | do { \ |
| 1809 | if (!NILP (Vquit_flag) && NILP (Vinhibit_quit)) \ |
| 1810 | { \ |
| 1811 | Lisp_Object flag = Vquit_flag; \ |
| 1812 | Vquit_flag = Qnil; \ |
| 1813 | if (EQ (Vthrow_on_input, flag)) \ |
| 1814 | Fthrow (Vthrow_on_input, Qt); \ |
| 1815 | Fsignal (Qquit, Qnil); \ |
| 1816 | } \ |
| 1817 | else if (interrupt_input_pending) \ |
| 1818 | handle_async_input (); \ |
| 1819 | } while (0) |
| 1820 | |
| 1821 | #else /* not SYNC_INPUT */ |
| 1822 | |
| 1823 | #define QUIT \ |
| 1824 | do { \ |
| 1825 | if (!NILP (Vquit_flag) && NILP (Vinhibit_quit)) \ |
| 1826 | { \ |
| 1827 | Lisp_Object flag = Vquit_flag; \ |
| 1828 | Vquit_flag = Qnil; \ |
| 1829 | if (EQ (Vthrow_on_input, flag)) \ |
| 1830 | Fthrow (Vthrow_on_input, Qt); \ |
| 1831 | Fsignal (Qquit, Qnil); \ |
| 1832 | } \ |
| 1833 | } while (0) |
| 1834 | |
| 1835 | #endif /* not SYNC_INPUT */ |
| 1836 | |
| 1837 | |
| 1838 | /* Nonzero if ought to quit now. */ |
| 1839 | |
| 1840 | #define QUITP (!NILP (Vquit_flag) && NILP (Vinhibit_quit)) |
| 1841 | \f |
| 1842 | /* Variables used locally in the following case handling macros. */ |
| 1843 | extern int case_temp1; |
| 1844 | extern Lisp_Object case_temp2; |
| 1845 | |
| 1846 | /* Current buffer's map from characters to lower-case characters. */ |
| 1847 | |
| 1848 | #define DOWNCASE_TABLE current_buffer->downcase_table |
| 1849 | |
| 1850 | /* Current buffer's map from characters to upper-case characters. */ |
| 1851 | |
| 1852 | #define UPCASE_TABLE current_buffer->upcase_table |
| 1853 | |
| 1854 | /* Downcase a character, or make no change if that cannot be done. */ |
| 1855 | |
| 1856 | #define DOWNCASE(CH) \ |
| 1857 | ((case_temp1 = (CH), \ |
| 1858 | case_temp2 = CHAR_TABLE_REF (DOWNCASE_TABLE, case_temp1), \ |
| 1859 | NATNUMP (case_temp2)) \ |
| 1860 | ? XFASTINT (case_temp2) : case_temp1) |
| 1861 | |
| 1862 | /* 1 if CH is upper case. */ |
| 1863 | |
| 1864 | #define UPPERCASEP(CH) (DOWNCASE (CH) != (CH)) |
| 1865 | |
| 1866 | /* 1 if CH is neither upper nor lower case. */ |
| 1867 | |
| 1868 | #define NOCASEP(CH) (UPCASE1 (CH) == (CH)) |
| 1869 | |
| 1870 | /* 1 if CH is lower case. */ |
| 1871 | |
| 1872 | #define LOWERCASEP(CH) (!UPPERCASEP (CH) && !NOCASEP(CH)) |
| 1873 | |
| 1874 | /* Upcase a character, or make no change if that cannot be done. */ |
| 1875 | |
| 1876 | #define UPCASE(CH) (!UPPERCASEP (CH) ? UPCASE1 (CH) : (CH)) |
| 1877 | |
| 1878 | /* Upcase a character known to be not upper case. */ |
| 1879 | |
| 1880 | #define UPCASE1(CH) \ |
| 1881 | ((case_temp1 = (CH), \ |
| 1882 | case_temp2 = CHAR_TABLE_REF (UPCASE_TABLE, case_temp1), \ |
| 1883 | NATNUMP (case_temp2)) \ |
| 1884 | ? XFASTINT (case_temp2) : case_temp1) |
| 1885 | |
| 1886 | extern Lisp_Object Vascii_downcase_table, Vascii_upcase_table; |
| 1887 | extern Lisp_Object Vascii_canon_table, Vascii_eqv_table; |
| 1888 | \f |
| 1889 | /* Number of bytes of structure consed since last GC. */ |
| 1890 | |
| 1891 | extern int consing_since_gc; |
| 1892 | |
| 1893 | /* Thresholds for doing another gc. */ |
| 1894 | |
| 1895 | extern EMACS_INT gc_cons_threshold; |
| 1896 | |
| 1897 | extern EMACS_INT gc_relative_threshold; |
| 1898 | |
| 1899 | extern EMACS_INT memory_full_cons_threshold; |
| 1900 | |
| 1901 | /* Structure for recording stack slots that need marking. */ |
| 1902 | |
| 1903 | /* This is a chain of structures, each of which points at a Lisp_Object variable |
| 1904 | whose value should be marked in garbage collection. |
| 1905 | Normally every link of the chain is an automatic variable of a function, |
| 1906 | and its `val' points to some argument or local variable of the function. |
| 1907 | On exit to the function, the chain is set back to the value it had on entry. |
| 1908 | This way, no link remains in the chain when the stack frame containing the |
| 1909 | link disappears. |
| 1910 | |
| 1911 | Every function that can call Feval must protect in this fashion all |
| 1912 | Lisp_Object variables whose contents will be used again. */ |
| 1913 | |
| 1914 | extern struct gcpro *gcprolist; |
| 1915 | |
| 1916 | struct gcpro |
| 1917 | { |
| 1918 | struct gcpro *next; |
| 1919 | |
| 1920 | /* Address of first protected variable. */ |
| 1921 | volatile Lisp_Object *var; |
| 1922 | |
| 1923 | /* Number of consecutive protected variables. */ |
| 1924 | int nvars; |
| 1925 | |
| 1926 | #ifdef DEBUG_GCPRO |
| 1927 | int level; |
| 1928 | #endif |
| 1929 | }; |
| 1930 | |
| 1931 | /* Values of GC_MARK_STACK during compilation: |
| 1932 | |
| 1933 | 0 Use GCPRO as before |
| 1934 | 1 Do the real thing, make GCPROs and UNGCPRO no-ops. |
| 1935 | 2 Mark the stack, and check that everything GCPRO'd is |
| 1936 | marked. |
| 1937 | 3 Mark using GCPRO's, mark stack last, and count how many |
| 1938 | dead objects are kept alive. */ |
| 1939 | |
| 1940 | |
| 1941 | #define GC_USE_GCPROS_AS_BEFORE 0 |
| 1942 | #define GC_MAKE_GCPROS_NOOPS 1 |
| 1943 | #define GC_MARK_STACK_CHECK_GCPROS 2 |
| 1944 | #define GC_USE_GCPROS_CHECK_ZOMBIES 3 |
| 1945 | |
| 1946 | #ifndef GC_MARK_STACK |
| 1947 | #define GC_MARK_STACK GC_USE_GCPROS_AS_BEFORE |
| 1948 | #endif |
| 1949 | |
| 1950 | #if GC_MARK_STACK == GC_MAKE_GCPROS_NOOPS |
| 1951 | |
| 1952 | /* Do something silly with gcproN vars just so gcc shuts up. */ |
| 1953 | /* You get warnings from MIPSPro... */ |
| 1954 | |
| 1955 | #define GCPRO1(varname) ((void) gcpro1) |
| 1956 | #define GCPRO2(varname1, varname2)(((void) gcpro2, (void) gcpro1)) |
| 1957 | #define GCPRO3(varname1, varname2, varname3) \ |
| 1958 | (((void) gcpro3, (void) gcpro2, (void) gcpro1)) |
| 1959 | #define GCPRO4(varname1, varname2, varname3, varname4) \ |
| 1960 | (((void) gcpro4, (void) gcpro3, (void) gcpro2, (void) gcpro1)) |
| 1961 | #define GCPRO5(varname1, varname2, varname3, varname4, varname5) \ |
| 1962 | (((void) gcpro5, (void) gcpro4, (void) gcpro3, (void) gcpro2, (void) gcpro1)) |
| 1963 | #define GCPRO6(varname1, varname2, varname3, varname4, varname5, varname6) \ |
| 1964 | (((void) gcpro6, (void) gcpro5, (void) gcpro4, (void) gcpro3, (void) gcpro2, (void) gcpro1)) |
| 1965 | #define UNGCPRO ((void) 0) |
| 1966 | |
| 1967 | #else /* GC_MARK_STACK != GC_MAKE_GCPROS_NOOPS */ |
| 1968 | |
| 1969 | #ifndef DEBUG_GCPRO |
| 1970 | |
| 1971 | #define GCPRO1(varname) \ |
| 1972 | {gcpro1.next = gcprolist; gcpro1.var = &varname; gcpro1.nvars = 1; \ |
| 1973 | gcprolist = &gcpro1; } |
| 1974 | |
| 1975 | #define GCPRO2(varname1, varname2) \ |
| 1976 | {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \ |
| 1977 | gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \ |
| 1978 | gcprolist = &gcpro2; } |
| 1979 | |
| 1980 | #define GCPRO3(varname1, varname2, varname3) \ |
| 1981 | {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \ |
| 1982 | gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \ |
| 1983 | gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \ |
| 1984 | gcprolist = &gcpro3; } |
| 1985 | |
| 1986 | #define GCPRO4(varname1, varname2, varname3, varname4) \ |
| 1987 | {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \ |
| 1988 | gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \ |
| 1989 | gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \ |
| 1990 | gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \ |
| 1991 | gcprolist = &gcpro4; } |
| 1992 | |
| 1993 | #define GCPRO5(varname1, varname2, varname3, varname4, varname5) \ |
| 1994 | {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \ |
| 1995 | gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \ |
| 1996 | gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \ |
| 1997 | gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \ |
| 1998 | gcpro5.next = &gcpro4; gcpro5.var = &varname5; gcpro5.nvars = 1; \ |
| 1999 | gcprolist = &gcpro5; } |
| 2000 | |
| 2001 | #define GCPRO6(varname1, varname2, varname3, varname4, varname5, varname6) \ |
| 2002 | {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \ |
| 2003 | gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \ |
| 2004 | gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \ |
| 2005 | gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \ |
| 2006 | gcpro5.next = &gcpro4; gcpro5.var = &varname5; gcpro5.nvars = 1; \ |
| 2007 | gcpro6.next = &gcpro5; gcpro6.var = &varname6; gcpro6.nvars = 1; \ |
| 2008 | gcprolist = &gcpro6; } |
| 2009 | |
| 2010 | #define UNGCPRO (gcprolist = gcpro1.next) |
| 2011 | |
| 2012 | #else |
| 2013 | |
| 2014 | extern int gcpro_level; |
| 2015 | |
| 2016 | #define GCPRO1(varname) \ |
| 2017 | {gcpro1.next = gcprolist; gcpro1.var = &varname; gcpro1.nvars = 1; \ |
| 2018 | gcpro1.level = gcpro_level++; \ |
| 2019 | gcprolist = &gcpro1; } |
| 2020 | |
| 2021 | #define GCPRO2(varname1, varname2) \ |
| 2022 | {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \ |
| 2023 | gcpro1.level = gcpro_level; \ |
| 2024 | gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \ |
| 2025 | gcpro2.level = gcpro_level++; \ |
| 2026 | gcprolist = &gcpro2; } |
| 2027 | |
| 2028 | #define GCPRO3(varname1, varname2, varname3) \ |
| 2029 | {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \ |
| 2030 | gcpro1.level = gcpro_level; \ |
| 2031 | gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \ |
| 2032 | gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \ |
| 2033 | gcpro3.level = gcpro_level++; \ |
| 2034 | gcprolist = &gcpro3; } |
| 2035 | |
| 2036 | #define GCPRO4(varname1, varname2, varname3, varname4) \ |
| 2037 | {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \ |
| 2038 | gcpro1.level = gcpro_level; \ |
| 2039 | gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \ |
| 2040 | gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \ |
| 2041 | gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \ |
| 2042 | gcpro4.level = gcpro_level++; \ |
| 2043 | gcprolist = &gcpro4; } |
| 2044 | |
| 2045 | #define GCPRO5(varname1, varname2, varname3, varname4, varname5) \ |
| 2046 | {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \ |
| 2047 | gcpro1.level = gcpro_level; \ |
| 2048 | gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \ |
| 2049 | gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \ |
| 2050 | gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \ |
| 2051 | gcpro5.next = &gcpro4; gcpro5.var = &varname5; gcpro5.nvars = 1; \ |
| 2052 | gcpro5.level = gcpro_level++; \ |
| 2053 | gcprolist = &gcpro5; } |
| 2054 | |
| 2055 | #define GCPRO6(varname1, varname2, varname3, varname4, varname5, varname6) \ |
| 2056 | {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \ |
| 2057 | gcpro1.level = gcpro_level; \ |
| 2058 | gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \ |
| 2059 | gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \ |
| 2060 | gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \ |
| 2061 | gcpro5.next = &gcpro4; gcpro5.var = &varname5; gcpro5.nvars = 1; \ |
| 2062 | gcpro6.next = &gcpro5; gcpro6.var = &varname6; gcpro6.nvars = 1; \ |
| 2063 | gcpro6.level = gcpro_level++; \ |
| 2064 | gcprolist = &gcpro6; } |
| 2065 | |
| 2066 | #define UNGCPRO \ |
| 2067 | ((--gcpro_level != gcpro1.level) \ |
| 2068 | ? (abort (), 0) \ |
| 2069 | : ((gcprolist = gcpro1.next), 0)) |
| 2070 | |
| 2071 | #endif /* DEBUG_GCPRO */ |
| 2072 | #endif /* GC_MARK_STACK != GC_MAKE_GCPROS_NOOPS */ |
| 2073 | |
| 2074 | |
| 2075 | /* Evaluate expr, UNGCPRO, and then return the value of expr. */ |
| 2076 | #define RETURN_UNGCPRO(expr) \ |
| 2077 | do \ |
| 2078 | { \ |
| 2079 | Lisp_Object ret_ungc_val; \ |
| 2080 | ret_ungc_val = (expr); \ |
| 2081 | UNGCPRO; \ |
| 2082 | return ret_ungc_val; \ |
| 2083 | } \ |
| 2084 | while (0) |
| 2085 | |
| 2086 | /* Call staticpro (&var) to protect static variable `var'. */ |
| 2087 | |
| 2088 | void staticpro P_ ((Lisp_Object *)); |
| 2089 | \f |
| 2090 | /* Declare a Lisp-callable function. The MAXARGS parameter has the same |
| 2091 | meaning as in the DEFUN macro, and is used to construct a prototype. */ |
| 2092 | #if (!defined (__STDC__) && !defined (PROTOTYPES)) \ |
| 2093 | || defined (USE_NONANSI_DEFUN) |
| 2094 | #define EXFUN(fnname, maxargs) \ |
| 2095 | extern Lisp_Object fnname () |
| 2096 | #else |
| 2097 | /* We can use the same trick as in the DEFUN macro to generate the |
| 2098 | appropriate prototype. */ |
| 2099 | #define EXFUN(fnname, maxargs) \ |
| 2100 | extern Lisp_Object fnname DEFUN_ARGS_ ## maxargs |
| 2101 | #endif |
| 2102 | |
| 2103 | /* Forward declarations for prototypes. */ |
| 2104 | struct window; |
| 2105 | struct frame; |
| 2106 | |
| 2107 | /* Defined in data.c */ |
| 2108 | extern Lisp_Object Qnil, Qt, Qquote, Qlambda, Qsubr, Qunbound; |
| 2109 | extern Lisp_Object Qerror_conditions, Qerror_message, Qtop_level; |
| 2110 | extern Lisp_Object Qerror, Qquit, Qwrong_type_argument, Qargs_out_of_range; |
| 2111 | extern Lisp_Object Qvoid_variable, Qvoid_function; |
| 2112 | extern Lisp_Object Qsetting_constant, Qinvalid_read_syntax; |
| 2113 | extern Lisp_Object Qinvalid_function, Qwrong_number_of_arguments, Qno_catch; |
| 2114 | extern Lisp_Object Qend_of_file, Qarith_error, Qmark_inactive; |
| 2115 | extern Lisp_Object Qbeginning_of_buffer, Qend_of_buffer, Qbuffer_read_only; |
| 2116 | extern Lisp_Object Qtext_read_only; |
| 2117 | |
| 2118 | extern Lisp_Object Qintegerp, Qnatnump, Qwholenump, Qsymbolp, Qlistp, Qconsp; |
| 2119 | extern Lisp_Object Qstringp, Qarrayp, Qsequencep, Qbufferp; |
| 2120 | extern Lisp_Object Qchar_or_string_p, Qmarkerp, Qinteger_or_marker_p, Qvectorp; |
| 2121 | extern Lisp_Object Qbuffer_or_string_p; |
| 2122 | extern Lisp_Object Qboundp, Qfboundp; |
| 2123 | extern Lisp_Object Qchar_table_p, Qvector_or_char_table_p; |
| 2124 | |
| 2125 | extern Lisp_Object Qcdr; |
| 2126 | |
| 2127 | extern Lisp_Object Qrange_error, Qdomain_error, Qsingularity_error; |
| 2128 | extern Lisp_Object Qoverflow_error, Qunderflow_error; |
| 2129 | |
| 2130 | extern Lisp_Object Qfloatp; |
| 2131 | extern Lisp_Object Qnumberp, Qnumber_or_marker_p; |
| 2132 | |
| 2133 | extern Lisp_Object Qinteger; |
| 2134 | |
| 2135 | extern void circular_list_error P_ ((Lisp_Object)); |
| 2136 | EXFUN (Finteractive_form, 1); |
| 2137 | |
| 2138 | /* Defined in frame.c */ |
| 2139 | extern Lisp_Object Qframep; |
| 2140 | |
| 2141 | EXFUN (Feq, 2); |
| 2142 | EXFUN (Fnull, 1); |
| 2143 | EXFUN (Flistp, 1); |
| 2144 | EXFUN (Fconsp, 1); |
| 2145 | EXFUN (Fatom, 1); |
| 2146 | EXFUN (Fnlistp, 1); |
| 2147 | EXFUN (Fintegerp, 1); |
| 2148 | EXFUN (Fnatnump, 1); |
| 2149 | EXFUN (Fsymbolp, 1); |
| 2150 | EXFUN (Fvectorp, 1); |
| 2151 | EXFUN (Fstringp, 1); |
| 2152 | EXFUN (Fmultibyte_string_p, 1); |
| 2153 | EXFUN (Farrayp, 1); |
| 2154 | EXFUN (Fsequencep, 1); |
| 2155 | EXFUN (Fbufferp, 1); |
| 2156 | EXFUN (Fmarkerp, 1); |
| 2157 | EXFUN (Fsubrp, 1); |
| 2158 | EXFUN (Fchar_or_string_p, 1); |
| 2159 | EXFUN (Finteger_or_marker_p, 1); |
| 2160 | EXFUN (Ffloatp, 1); |
| 2161 | EXFUN (Finteger_or_floatp, 1); |
| 2162 | EXFUN (Finteger_or_float_or_marker_p, 1); |
| 2163 | |
| 2164 | EXFUN (Fcar, 1); |
| 2165 | EXFUN (Fcar_safe, 1); |
| 2166 | EXFUN (Fcdr, 1); |
| 2167 | EXFUN (Fcdr_safe, 1); |
| 2168 | EXFUN (Fsetcar, 2); |
| 2169 | EXFUN (Fsetcdr, 2); |
| 2170 | EXFUN (Fboundp, 1); |
| 2171 | EXFUN (Ffboundp, 1); |
| 2172 | EXFUN (Fmakunbound, 1); |
| 2173 | EXFUN (Ffmakunbound, 1); |
| 2174 | EXFUN (Fsymbol_function, 1); |
| 2175 | EXFUN (Fsymbol_plist, 1); |
| 2176 | EXFUN (Fsymbol_name, 1); |
| 2177 | extern Lisp_Object indirect_function P_ ((Lisp_Object)); |
| 2178 | EXFUN (Findirect_function, 1); |
| 2179 | EXFUN (Ffset, 2); |
| 2180 | EXFUN (Fsetplist, 2); |
| 2181 | EXFUN (Fsymbol_value, 1); |
| 2182 | extern Lisp_Object find_symbol_value P_ ((Lisp_Object)); |
| 2183 | EXFUN (Fset, 2); |
| 2184 | EXFUN (Fdefault_value, 1); |
| 2185 | EXFUN (Fset_default, 2); |
| 2186 | EXFUN (Fdefault_boundp, 1); |
| 2187 | EXFUN (Fmake_local_variable, 1); |
| 2188 | EXFUN (Flocal_variable_p, 2); |
| 2189 | EXFUN (Flocal_variable_if_set_p, 2); |
| 2190 | |
| 2191 | EXFUN (Faref, 2); |
| 2192 | EXFUN (Faset, 3); |
| 2193 | |
| 2194 | EXFUN (Fstring_to_number, 2); |
| 2195 | EXFUN (Fnumber_to_string, 1); |
| 2196 | EXFUN (Feqlsign, 2); |
| 2197 | EXFUN (Fgtr, 2); |
| 2198 | EXFUN (Flss, 2); |
| 2199 | EXFUN (Fgeq, 2); |
| 2200 | EXFUN (Fleq, 2); |
| 2201 | EXFUN (Fneq, 2); |
| 2202 | EXFUN (Fzerop, 1); |
| 2203 | EXFUN (Fplus, MANY); |
| 2204 | EXFUN (Fminus, MANY); |
| 2205 | EXFUN (Ftimes, MANY); |
| 2206 | EXFUN (Fquo, MANY); |
| 2207 | EXFUN (Frem, 2); |
| 2208 | EXFUN (Fmax, MANY); |
| 2209 | EXFUN (Fmin, MANY); |
| 2210 | EXFUN (Flogand, MANY); |
| 2211 | EXFUN (Flogior, MANY); |
| 2212 | EXFUN (Flogxor, MANY); |
| 2213 | EXFUN (Flognot, 1); |
| 2214 | EXFUN (Flsh, 2); |
| 2215 | EXFUN (Fash, 2); |
| 2216 | |
| 2217 | EXFUN (Fadd1, 1); |
| 2218 | EXFUN (Fsub1, 1); |
| 2219 | EXFUN (Fmake_variable_buffer_local, 1); |
| 2220 | |
| 2221 | extern Lisp_Object indirect_variable P_ ((Lisp_Object)); |
| 2222 | extern Lisp_Object long_to_cons P_ ((unsigned long)); |
| 2223 | extern unsigned long cons_to_long P_ ((Lisp_Object)); |
| 2224 | extern void args_out_of_range P_ ((Lisp_Object, Lisp_Object)); |
| 2225 | extern void args_out_of_range_3 P_ ((Lisp_Object, Lisp_Object, Lisp_Object)); |
| 2226 | extern Lisp_Object wrong_type_argument P_ ((Lisp_Object, Lisp_Object)); |
| 2227 | extern void store_symval_forwarding P_ ((Lisp_Object, Lisp_Object, |
| 2228 | Lisp_Object, struct buffer *)); |
| 2229 | extern Lisp_Object do_symval_forwarding P_ ((Lisp_Object)); |
| 2230 | extern Lisp_Object set_internal P_ ((Lisp_Object, Lisp_Object, struct buffer *, int)); |
| 2231 | extern void syms_of_data P_ ((void)); |
| 2232 | extern void init_data P_ ((void)); |
| 2233 | extern void swap_in_global_binding P_ ((Lisp_Object)); |
| 2234 | |
| 2235 | /* Defined in cmds.c */ |
| 2236 | EXFUN (Fend_of_line, 1); |
| 2237 | EXFUN (Fforward_char, 1); |
| 2238 | EXFUN (Fforward_line, 1); |
| 2239 | extern int internal_self_insert P_ ((int, int)); |
| 2240 | extern void syms_of_cmds P_ ((void)); |
| 2241 | extern void keys_of_cmds P_ ((void)); |
| 2242 | |
| 2243 | /* Defined in coding.c */ |
| 2244 | EXFUN (Fcoding_system_p, 1); |
| 2245 | EXFUN (Fcheck_coding_system, 1); |
| 2246 | EXFUN (Fread_coding_system, 2); |
| 2247 | EXFUN (Fread_non_nil_coding_system, 1); |
| 2248 | EXFUN (Ffind_operation_coding_system, MANY); |
| 2249 | EXFUN (Fupdate_coding_systems_internal, 0); |
| 2250 | EXFUN (Fencode_coding_string, 3); |
| 2251 | EXFUN (Fdecode_coding_string, 3); |
| 2252 | extern Lisp_Object detect_coding_system P_ ((const unsigned char *, int, int, |
| 2253 | int)); |
| 2254 | extern void init_coding P_ ((void)); |
| 2255 | extern void init_coding_once P_ ((void)); |
| 2256 | extern void syms_of_coding P_ ((void)); |
| 2257 | extern Lisp_Object code_convert_string_norecord P_ ((Lisp_Object, Lisp_Object, |
| 2258 | int)); |
| 2259 | |
| 2260 | /* Defined in charset.c */ |
| 2261 | extern EMACS_INT nonascii_insert_offset; |
| 2262 | extern Lisp_Object Vnonascii_translation_table; |
| 2263 | EXFUN (Fchar_bytes, 1); |
| 2264 | EXFUN (Fchar_width, 1); |
| 2265 | EXFUN (Fstring, MANY); |
| 2266 | extern int chars_in_text P_ ((const unsigned char *, int)); |
| 2267 | extern int multibyte_chars_in_text P_ ((const unsigned char *, int)); |
| 2268 | extern int unibyte_char_to_multibyte P_ ((int)); |
| 2269 | extern int multibyte_char_to_unibyte P_ ((int, Lisp_Object)); |
| 2270 | extern Lisp_Object Qcharset; |
| 2271 | extern void init_charset_once P_ ((void)); |
| 2272 | extern void syms_of_charset P_ ((void)); |
| 2273 | |
| 2274 | /* Defined in syntax.c */ |
| 2275 | EXFUN (Fforward_word, 1); |
| 2276 | EXFUN (Fskip_chars_forward, 2); |
| 2277 | EXFUN (Fskip_chars_backward, 2); |
| 2278 | EXFUN (Fsyntax_table_p, 1); |
| 2279 | EXFUN (Fsyntax_table, 0); |
| 2280 | EXFUN (Fset_syntax_table, 1); |
| 2281 | extern void init_syntax_once P_ ((void)); |
| 2282 | extern void syms_of_syntax P_ ((void)); |
| 2283 | |
| 2284 | /* Defined in fns.c */ |
| 2285 | extern int use_dialog_box; |
| 2286 | extern int next_almost_prime P_ ((int)); |
| 2287 | extern Lisp_Object larger_vector P_ ((Lisp_Object, int, Lisp_Object)); |
| 2288 | extern void sweep_weak_hash_tables P_ ((void)); |
| 2289 | extern Lisp_Object Qstring_lessp; |
| 2290 | EXFUN (Foptimize_char_table, 1); |
| 2291 | extern Lisp_Object Vfeatures; |
| 2292 | extern Lisp_Object QCtest, QCweakness, Qequal; |
| 2293 | unsigned sxhash P_ ((Lisp_Object, int)); |
| 2294 | Lisp_Object make_hash_table P_ ((Lisp_Object, Lisp_Object, Lisp_Object, |
| 2295 | Lisp_Object, Lisp_Object, Lisp_Object, |
| 2296 | Lisp_Object)); |
| 2297 | Lisp_Object copy_hash_table P_ ((struct Lisp_Hash_Table *)); |
| 2298 | int hash_lookup P_ ((struct Lisp_Hash_Table *, Lisp_Object, unsigned *)); |
| 2299 | int hash_put P_ ((struct Lisp_Hash_Table *, Lisp_Object, Lisp_Object, |
| 2300 | unsigned)); |
| 2301 | void hash_remove P_ ((struct Lisp_Hash_Table *, Lisp_Object)); |
| 2302 | void hash_clear P_ ((struct Lisp_Hash_Table *)); |
| 2303 | void remove_hash_entry P_ ((struct Lisp_Hash_Table *, int)); |
| 2304 | extern void init_fns P_ ((void)); |
| 2305 | EXFUN (Fsxhash, 1); |
| 2306 | EXFUN (Fmake_hash_table, MANY); |
| 2307 | EXFUN (Fcopy_hash_table, 1); |
| 2308 | EXFUN (Fhash_table_count, 1); |
| 2309 | EXFUN (Fhash_table_rehash_size, 1); |
| 2310 | EXFUN (Fhash_table_rehash_threshold, 1); |
| 2311 | EXFUN (Fhash_table_size, 1); |
| 2312 | EXFUN (Fhash_table_test, 1); |
| 2313 | EXFUN (Fhash_table_weak, 1); |
| 2314 | EXFUN (Fhash_table_p, 1); |
| 2315 | EXFUN (Fclrhash, 1); |
| 2316 | EXFUN (Fgethash, 3); |
| 2317 | EXFUN (Fputhash, 3); |
| 2318 | EXFUN (Fremhash, 2); |
| 2319 | EXFUN (Fmaphash, 2); |
| 2320 | EXFUN (Fdefine_hash_table_test, 3); |
| 2321 | |
| 2322 | EXFUN (Fidentity, 1); |
| 2323 | EXFUN (Frandom, 1); |
| 2324 | EXFUN (Flength, 1); |
| 2325 | EXFUN (Fsafe_length, 1); |
| 2326 | EXFUN (Fappend, MANY); |
| 2327 | EXFUN (Fconcat, MANY); |
| 2328 | EXFUN (Fvconcat, MANY); |
| 2329 | EXFUN (Fcopy_sequence, 1); |
| 2330 | EXFUN (Fstring_make_multibyte, 1); |
| 2331 | EXFUN (Fstring_make_unibyte, 1); |
| 2332 | EXFUN (Fstring_as_multibyte, 1); |
| 2333 | EXFUN (Fstring_as_unibyte, 1); |
| 2334 | EXFUN (Fstring_to_multibyte, 1); |
| 2335 | EXFUN (Fsubstring, 3); |
| 2336 | extern Lisp_Object substring_both P_ ((Lisp_Object, int, int, int, int)); |
| 2337 | EXFUN (Fnth, 2); |
| 2338 | EXFUN (Fnthcdr, 2); |
| 2339 | EXFUN (Fmemq, 2); |
| 2340 | EXFUN (Fassq, 2); |
| 2341 | EXFUN (Fassoc, 2); |
| 2342 | EXFUN (Felt, 2); |
| 2343 | EXFUN (Fmember, 2); |
| 2344 | EXFUN (Frassq, 2); |
| 2345 | EXFUN (Fdelq, 2); |
| 2346 | EXFUN (Fdelete, 2); |
| 2347 | EXFUN (Fsort, 2); |
| 2348 | EXFUN (Freverse, 1); |
| 2349 | EXFUN (Fnreverse, 1); |
| 2350 | EXFUN (Fget, 2); |
| 2351 | EXFUN (Fput, 3); |
| 2352 | EXFUN (Fequal, 2); |
| 2353 | EXFUN (Ffillarray, 2); |
| 2354 | EXFUN (Fnconc, MANY); |
| 2355 | EXFUN (Fmapcar, 2); |
| 2356 | EXFUN (Fmapconcat, 3); |
| 2357 | EXFUN (Fy_or_n_p, 1); |
| 2358 | extern Lisp_Object do_yes_or_no_p P_ ((Lisp_Object)); |
| 2359 | EXFUN (Frequire, 3); |
| 2360 | EXFUN (Fprovide, 2); |
| 2361 | extern Lisp_Object concat2 P_ ((Lisp_Object, Lisp_Object)); |
| 2362 | extern Lisp_Object concat3 P_ ((Lisp_Object, Lisp_Object, Lisp_Object)); |
| 2363 | extern Lisp_Object nconc2 P_ ((Lisp_Object, Lisp_Object)); |
| 2364 | extern Lisp_Object assq_no_quit P_ ((Lisp_Object, Lisp_Object)); |
| 2365 | extern void clear_string_char_byte_cache P_ ((void)); |
| 2366 | extern int string_char_to_byte P_ ((Lisp_Object, int)); |
| 2367 | extern int string_byte_to_char P_ ((Lisp_Object, int)); |
| 2368 | extern Lisp_Object string_make_multibyte P_ ((Lisp_Object)); |
| 2369 | extern Lisp_Object string_to_multibyte P_ ((Lisp_Object)); |
| 2370 | extern Lisp_Object string_make_unibyte P_ ((Lisp_Object)); |
| 2371 | EXFUN (Fcopy_alist, 1); |
| 2372 | EXFUN (Fplist_get, 2); |
| 2373 | EXFUN (Fplist_put, 3); |
| 2374 | EXFUN (Fplist_member, 2); |
| 2375 | EXFUN (Fset_char_table_parent, 2); |
| 2376 | EXFUN (Fchar_table_extra_slot, 2); |
| 2377 | EXFUN (Fset_char_table_extra_slot, 3); |
| 2378 | EXFUN (Frassoc, 2); |
| 2379 | EXFUN (Fstring_equal, 2); |
| 2380 | EXFUN (Fcompare_strings, 7); |
| 2381 | EXFUN (Fstring_lessp, 2); |
| 2382 | extern int char_table_translate P_ ((Lisp_Object, int)); |
| 2383 | extern void map_char_table P_ ((void (*) (Lisp_Object, Lisp_Object, Lisp_Object), |
| 2384 | Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, int, |
| 2385 | Lisp_Object *)); |
| 2386 | extern Lisp_Object char_table_ref_and_index P_ ((Lisp_Object, int, int *)); |
| 2387 | extern void syms_of_fns P_ ((void)); |
| 2388 | |
| 2389 | /* Defined in floatfns.c */ |
| 2390 | extern double extract_float P_ ((Lisp_Object)); |
| 2391 | EXFUN (Ffloat, 1); |
| 2392 | EXFUN (Ftruncate, 2); |
| 2393 | extern void init_floatfns P_ ((void)); |
| 2394 | extern void syms_of_floatfns P_ ((void)); |
| 2395 | |
| 2396 | /* Defined in fringe.c */ |
| 2397 | extern void syms_of_fringe P_ ((void)); |
| 2398 | extern void init_fringe P_ ((void)); |
| 2399 | extern void init_fringe_once P_ ((void)); |
| 2400 | |
| 2401 | /* Defined in image.c */ |
| 2402 | EXFUN (Finit_image_library, 2); |
| 2403 | extern void syms_of_image P_ ((void)); |
| 2404 | extern void init_image P_ ((void)); |
| 2405 | |
| 2406 | /* Defined in insdel.c */ |
| 2407 | extern Lisp_Object Qinhibit_modification_hooks; |
| 2408 | extern void move_gap P_ ((int)); |
| 2409 | extern void move_gap_both P_ ((int, int)); |
| 2410 | extern void make_gap P_ ((int)); |
| 2411 | extern int copy_text P_ ((const unsigned char *, unsigned char *, int, int, int)); |
| 2412 | extern int count_size_as_multibyte P_ ((const unsigned char *, int)); |
| 2413 | extern int count_combining_before P_ ((const unsigned char *, int, int, int)); |
| 2414 | extern int count_combining_after P_ ((const unsigned char *, int, int, int)); |
| 2415 | extern void insert P_ ((const unsigned char *, int)); |
| 2416 | extern void insert_and_inherit P_ ((const unsigned char *, int)); |
| 2417 | extern void insert_1 P_ ((const unsigned char *, int, int, int, int)); |
| 2418 | extern void insert_1_both P_ ((const unsigned char *, int, int, int, int, int)); |
| 2419 | extern void insert_from_string P_ ((Lisp_Object, int, int, int, int, int)); |
| 2420 | extern void insert_from_buffer P_ ((struct buffer *, int, int, int)); |
| 2421 | extern void insert_char P_ ((int)); |
| 2422 | extern void insert_string P_ ((const char *)); |
| 2423 | extern void insert_before_markers P_ ((const unsigned char *, int)); |
| 2424 | extern void insert_before_markers_and_inherit P_ ((const unsigned char *, int)); |
| 2425 | extern void insert_from_string_before_markers P_ ((Lisp_Object, int, int, int, int, int)); |
| 2426 | extern void del_range P_ ((int, int)); |
| 2427 | extern Lisp_Object del_range_1 P_ ((int, int, int, int)); |
| 2428 | extern void del_range_byte P_ ((int, int, int)); |
| 2429 | extern void del_range_both P_ ((int, int, int, int, int)); |
| 2430 | extern Lisp_Object del_range_2 P_ ((int, int, int, int, int)); |
| 2431 | extern void modify_region P_ ((struct buffer *, int, int)); |
| 2432 | extern void prepare_to_modify_buffer P_ ((int, int, int *)); |
| 2433 | extern void signal_before_change P_ ((int, int, int *)); |
| 2434 | extern void signal_after_change P_ ((int, int, int)); |
| 2435 | extern void adjust_after_replace P_ ((int, int, Lisp_Object, int, int)); |
| 2436 | extern void adjust_after_replace_noundo P_ ((int, int, int, int, int, int)); |
| 2437 | extern void adjust_after_insert P_ ((int, int, int, int, int)); |
| 2438 | extern void replace_range P_ ((int, int, Lisp_Object, int, int, int)); |
| 2439 | extern void replace_range_2 P_ ((int, int, int, int, char *, int, int, int)); |
| 2440 | extern void syms_of_insdel P_ ((void)); |
| 2441 | |
| 2442 | /* Defined in dispnew.c */ |
| 2443 | extern Lisp_Object selected_frame; |
| 2444 | extern EMACS_INT baud_rate; |
| 2445 | EXFUN (Fding, 1); |
| 2446 | EXFUN (Fredraw_frame, 1); |
| 2447 | EXFUN (Fredraw_display, 0); |
| 2448 | EXFUN (Fsleep_for, 2); |
| 2449 | EXFUN (Fsit_for, 3); |
| 2450 | extern Lisp_Object sit_for P_ ((int, int, int, int, int)); |
| 2451 | extern void init_display P_ ((void)); |
| 2452 | extern void syms_of_display P_ ((void)); |
| 2453 | extern void safe_bcopy P_ ((const char *, char *, int)); |
| 2454 | |
| 2455 | /* Defined in xdisp.c */ |
| 2456 | extern Lisp_Object Qinhibit_point_motion_hooks; |
| 2457 | extern Lisp_Object Qinhibit_redisplay, Qdisplay; |
| 2458 | extern Lisp_Object Qinhibit_eval_during_redisplay; |
| 2459 | extern Lisp_Object Qmessage_truncate_lines; |
| 2460 | extern Lisp_Object Qimage; |
| 2461 | extern Lisp_Object Vmessage_log_max; |
| 2462 | extern int message_enable_multibyte; |
| 2463 | extern Lisp_Object echo_area_buffer[2]; |
| 2464 | extern void check_message_stack P_ ((void)); |
| 2465 | extern void setup_echo_area_for_printing P_ ((int)); |
| 2466 | extern int push_message P_ ((void)); |
| 2467 | extern Lisp_Object pop_message_unwind P_ ((Lisp_Object)); |
| 2468 | extern Lisp_Object restore_message_unwind P_ ((Lisp_Object)); |
| 2469 | extern void pop_message P_ ((void)); |
| 2470 | extern void restore_message P_ ((void)); |
| 2471 | extern Lisp_Object current_message P_ ((void)); |
| 2472 | extern void set_message P_ ((const char *s, Lisp_Object, int, int)); |
| 2473 | extern void clear_message P_ ((int, int)); |
| 2474 | extern void message P_ ((/* char *, ... */)); |
| 2475 | extern void message_nolog P_ ((/* char *, ... */)); |
| 2476 | extern void message1 P_ ((char *)); |
| 2477 | extern void message1_nolog P_ ((char *)); |
| 2478 | extern void message2 P_ ((const char *, int, int)); |
| 2479 | extern void message2_nolog P_ ((const char *, int, int)); |
| 2480 | extern void message3 P_ ((Lisp_Object, int, int)); |
| 2481 | extern void message3_nolog P_ ((Lisp_Object, int, int)); |
| 2482 | extern void message_dolog P_ ((const char *, int, int, int)); |
| 2483 | extern void message_with_string P_ ((char *, Lisp_Object, int)); |
| 2484 | extern void message_log_maybe_newline P_ ((void)); |
| 2485 | extern void update_echo_area P_ ((void)); |
| 2486 | extern void truncate_echo_area P_ ((int)); |
| 2487 | extern void redisplay P_ ((void)); |
| 2488 | extern int check_point_in_composition |
| 2489 | P_ ((struct buffer *, int, struct buffer *, int)); |
| 2490 | extern void redisplay_preserve_echo_area P_ ((int)); |
| 2491 | extern void prepare_menu_bars P_ ((void)); |
| 2492 | |
| 2493 | void set_frame_cursor_types P_ ((struct frame *, Lisp_Object)); |
| 2494 | extern void syms_of_xdisp P_ ((void)); |
| 2495 | extern void init_xdisp P_ ((void)); |
| 2496 | extern Lisp_Object safe_eval P_ ((Lisp_Object)); |
| 2497 | extern int pos_visible_p P_ ((struct window *, int, int *, |
| 2498 | int *, int *, int *, int)); |
| 2499 | |
| 2500 | /* Defined in vm-limit.c. */ |
| 2501 | extern void memory_warnings P_ ((POINTER_TYPE *, void (*warnfun) ())); |
| 2502 | |
| 2503 | /* Defined in alloc.c */ |
| 2504 | extern void check_pure_size P_ ((void)); |
| 2505 | extern void allocate_string_data P_ ((struct Lisp_String *, int, int)); |
| 2506 | extern void reset_malloc_hooks P_ ((void)); |
| 2507 | extern void uninterrupt_malloc P_ ((void)); |
| 2508 | extern void malloc_warning P_ ((char *)); |
| 2509 | extern void memory_full P_ ((void)); |
| 2510 | extern void buffer_memory_full P_ ((void)); |
| 2511 | extern int survives_gc_p P_ ((Lisp_Object)); |
| 2512 | extern void mark_object P_ ((Lisp_Object)); |
| 2513 | extern Lisp_Object Vpurify_flag; |
| 2514 | extern Lisp_Object Vmemory_full; |
| 2515 | EXFUN (Fcons, 2); |
| 2516 | EXFUN (list2, 2); |
| 2517 | EXFUN (list3, 3); |
| 2518 | EXFUN (list4, 4); |
| 2519 | EXFUN (list5, 5); |
| 2520 | EXFUN (Flist, MANY); |
| 2521 | EXFUN (Fmake_list, 2); |
| 2522 | extern Lisp_Object allocate_misc P_ ((void)); |
| 2523 | EXFUN (Fmake_vector, 2); |
| 2524 | EXFUN (Fvector, MANY); |
| 2525 | EXFUN (Fmake_symbol, 1); |
| 2526 | EXFUN (Fmake_marker, 0); |
| 2527 | EXFUN (Fmake_string, 2); |
| 2528 | extern Lisp_Object build_string P_ ((const char *)); |
| 2529 | extern Lisp_Object make_string P_ ((const char *, int)); |
| 2530 | extern Lisp_Object make_unibyte_string P_ ((const char *, int)); |
| 2531 | extern Lisp_Object make_multibyte_string P_ ((const char *, int, int)); |
| 2532 | extern Lisp_Object make_event_array P_ ((int, Lisp_Object *)); |
| 2533 | extern Lisp_Object make_uninit_string P_ ((int)); |
| 2534 | extern Lisp_Object make_uninit_multibyte_string P_ ((int, int)); |
| 2535 | extern Lisp_Object make_string_from_bytes P_ ((const char *, int, int)); |
| 2536 | extern Lisp_Object make_specified_string P_ ((const char *, int, int, int)); |
| 2537 | EXFUN (Fpurecopy, 1); |
| 2538 | extern Lisp_Object make_pure_string P_ ((char *, int, int, int)); |
| 2539 | extern Lisp_Object pure_cons P_ ((Lisp_Object, Lisp_Object)); |
| 2540 | extern Lisp_Object make_pure_vector P_ ((EMACS_INT)); |
| 2541 | EXFUN (Fgarbage_collect, 0); |
| 2542 | EXFUN (Fmake_byte_code, MANY); |
| 2543 | EXFUN (Fmake_bool_vector, 2); |
| 2544 | EXFUN (Fmake_char_table, 2); |
| 2545 | extern Lisp_Object make_sub_char_table P_ ((Lisp_Object)); |
| 2546 | extern Lisp_Object Qchar_table_extra_slots; |
| 2547 | extern struct Lisp_Vector *allocate_vector P_ ((EMACS_INT)); |
| 2548 | extern struct Lisp_Vector *allocate_other_vector P_ ((EMACS_INT)); |
| 2549 | extern struct Lisp_Hash_Table *allocate_hash_table P_ ((void)); |
| 2550 | extern struct window *allocate_window P_ ((void)); |
| 2551 | extern struct frame *allocate_frame P_ ((void)); |
| 2552 | extern struct Lisp_Process *allocate_process P_ ((void)); |
| 2553 | extern int gc_in_progress; |
| 2554 | extern int abort_on_gc; |
| 2555 | extern Lisp_Object make_float P_ ((double)); |
| 2556 | extern void display_malloc_warning P_ ((void)); |
| 2557 | extern int inhibit_garbage_collection P_ ((void)); |
| 2558 | extern Lisp_Object make_save_value P_ ((void *, int)); |
| 2559 | extern void free_misc P_ ((Lisp_Object)); |
| 2560 | extern void free_marker P_ ((Lisp_Object)); |
| 2561 | extern void free_cons P_ ((struct Lisp_Cons *)); |
| 2562 | extern void init_alloc_once P_ ((void)); |
| 2563 | extern void init_alloc P_ ((void)); |
| 2564 | extern void syms_of_alloc P_ ((void)); |
| 2565 | extern struct buffer * allocate_buffer P_ ((void)); |
| 2566 | extern int valid_lisp_object_p P_ ((Lisp_Object)); |
| 2567 | |
| 2568 | /* Defined in print.c */ |
| 2569 | extern Lisp_Object Vprin1_to_string_buffer; |
| 2570 | extern void debug_print P_ ((Lisp_Object)); |
| 2571 | EXFUN (Fprin1, 2); |
| 2572 | EXFUN (Fprin1_to_string, 2); |
| 2573 | EXFUN (Fprinc, 2); |
| 2574 | EXFUN (Fterpri, 1); |
| 2575 | EXFUN (Fprint, 2); |
| 2576 | EXFUN (Ferror_message_string, 1); |
| 2577 | extern Lisp_Object Vstandard_output, Qstandard_output; |
| 2578 | extern Lisp_Object Qexternal_debugging_output; |
| 2579 | extern void temp_output_buffer_setup P_ ((const char *)); |
| 2580 | extern int print_level, print_escape_newlines; |
| 2581 | extern Lisp_Object Qprint_escape_newlines; |
| 2582 | extern void write_string P_ ((char *, int)); |
| 2583 | extern void write_string_1 P_ ((char *, int, Lisp_Object)); |
| 2584 | extern void print_error_message P_ ((Lisp_Object, Lisp_Object, char *, Lisp_Object)); |
| 2585 | extern Lisp_Object internal_with_output_to_temp_buffer |
| 2586 | P_ ((const char *, Lisp_Object (*) (Lisp_Object), Lisp_Object)); |
| 2587 | extern void float_to_string P_ ((unsigned char *, double)); |
| 2588 | extern void syms_of_print P_ ((void)); |
| 2589 | |
| 2590 | /* Defined in doprnt.c */ |
| 2591 | extern int doprnt P_ ((char *, int, char *, char *, int, char **)); |
| 2592 | extern int doprnt_lisp P_ ((char *, int, char *, char *, int, char **)); |
| 2593 | |
| 2594 | /* Defined in lread.c */ |
| 2595 | extern Lisp_Object Qvariable_documentation, Qstandard_input; |
| 2596 | extern Lisp_Object Vobarray, initial_obarray, Vstandard_input; |
| 2597 | EXFUN (Fread, 1); |
| 2598 | EXFUN (Fread_from_string, 3); |
| 2599 | EXFUN (Fintern, 2); |
| 2600 | EXFUN (Fintern_soft, 2); |
| 2601 | EXFUN (Fload, 5); |
| 2602 | EXFUN (Fget_file_char, 0); |
| 2603 | EXFUN (Fread_char, 2); |
| 2604 | EXFUN (Fread_event, 2); |
| 2605 | extern Lisp_Object read_filtered_event P_ ((int, int, int, int)); |
| 2606 | EXFUN (Feval_region, 4); |
| 2607 | extern Lisp_Object intern P_ ((const char *)); |
| 2608 | extern Lisp_Object make_symbol P_ ((char *)); |
| 2609 | extern Lisp_Object oblookup P_ ((Lisp_Object, const char *, int, int)); |
| 2610 | #define LOADHIST_ATTACH(x) \ |
| 2611 | if (initialized) Vcurrent_load_list = Fcons (x, Vcurrent_load_list) |
| 2612 | extern Lisp_Object Vcurrent_load_list; |
| 2613 | extern Lisp_Object Vload_history, Vload_suffixes; |
| 2614 | extern int openp P_ ((Lisp_Object, Lisp_Object, Lisp_Object, |
| 2615 | Lisp_Object *, Lisp_Object)); |
| 2616 | extern int isfloat_string P_ ((char *)); |
| 2617 | extern void map_obarray P_ ((Lisp_Object, void (*) (Lisp_Object, Lisp_Object), |
| 2618 | Lisp_Object)); |
| 2619 | extern void dir_warning P_ ((char *, Lisp_Object)); |
| 2620 | extern void close_load_descs P_ ((void)); |
| 2621 | extern void init_obarray P_ ((void)); |
| 2622 | extern void init_lread P_ ((void)); |
| 2623 | extern void syms_of_lread P_ ((void)); |
| 2624 | |
| 2625 | /* Defined in eval.c */ |
| 2626 | extern Lisp_Object Qautoload, Qexit, Qinteractive, Qcommandp, Qdefun, Qmacro; |
| 2627 | extern Lisp_Object Vinhibit_quit, Qinhibit_quit, Vquit_flag; |
| 2628 | extern Lisp_Object Vautoload_queue; |
| 2629 | extern Lisp_Object Vdebug_on_error; |
| 2630 | extern Lisp_Object Vsignaling_function; |
| 2631 | extern int handling_signal; |
| 2632 | extern int interactive_p P_ ((int)); |
| 2633 | |
| 2634 | /* To run a normal hook, use the appropriate function from the list below. |
| 2635 | The calling convention: |
| 2636 | |
| 2637 | if (!NILP (Vrun_hooks)) |
| 2638 | call1 (Vrun_hooks, Qmy_funny_hook); |
| 2639 | |
| 2640 | should no longer be used. */ |
| 2641 | extern Lisp_Object Vrun_hooks; |
| 2642 | EXFUN (Frun_hooks, MANY); |
| 2643 | EXFUN (Frun_hook_with_args, MANY); |
| 2644 | EXFUN (Frun_hook_with_args_until_success, MANY); |
| 2645 | EXFUN (Frun_hook_with_args_until_failure, MANY); |
| 2646 | extern Lisp_Object run_hook_list_with_args P_ ((Lisp_Object, int, Lisp_Object *)); |
| 2647 | extern void run_hook_with_args_2 P_ ((Lisp_Object, Lisp_Object, Lisp_Object)); |
| 2648 | EXFUN (Fand, UNEVALLED); |
| 2649 | EXFUN (For, UNEVALLED); |
| 2650 | EXFUN (Fif, UNEVALLED); |
| 2651 | EXFUN (Fprogn, UNEVALLED); |
| 2652 | EXFUN (Fprog1, UNEVALLED); |
| 2653 | EXFUN (Fprog2, UNEVALLED); |
| 2654 | EXFUN (Fsetq, UNEVALLED); |
| 2655 | EXFUN (Fquote, UNEVALLED); |
| 2656 | EXFUN (Fuser_variable_p, 1); |
| 2657 | EXFUN (Finteractive_p, 0); |
| 2658 | EXFUN (Fdefun, UNEVALLED); |
| 2659 | EXFUN (Flet, UNEVALLED); |
| 2660 | EXFUN (FletX, UNEVALLED); |
| 2661 | EXFUN (Fwhile, UNEVALLED); |
| 2662 | EXFUN (Fcatch, UNEVALLED); |
| 2663 | EXFUN (Fthrow, 2) NO_RETURN; |
| 2664 | EXFUN (Funwind_protect, UNEVALLED); |
| 2665 | EXFUN (Fcondition_case, UNEVALLED); |
| 2666 | EXFUN (Fsignal, 2); |
| 2667 | EXFUN (Fautoload, 5); |
| 2668 | EXFUN (Fcommandp, 2); |
| 2669 | EXFUN (Feval, 1); |
| 2670 | EXFUN (Fapply, MANY); |
| 2671 | EXFUN (Ffuncall, MANY); |
| 2672 | EXFUN (Fbacktrace, 0); |
| 2673 | extern Lisp_Object apply1 P_ ((Lisp_Object, Lisp_Object)); |
| 2674 | extern Lisp_Object call0 P_ ((Lisp_Object)); |
| 2675 | extern Lisp_Object call1 P_ ((Lisp_Object, Lisp_Object)); |
| 2676 | extern Lisp_Object call2 P_ ((Lisp_Object, Lisp_Object, Lisp_Object)); |
| 2677 | extern Lisp_Object call3 P_ ((Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object)); |
| 2678 | extern Lisp_Object call4 P_ ((Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object)); |
| 2679 | extern Lisp_Object call5 P_ ((Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object)); |
| 2680 | extern Lisp_Object call6 P_ ((Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object)); |
| 2681 | EXFUN (Fdo_auto_save, 2); |
| 2682 | extern Lisp_Object apply_lambda P_ ((Lisp_Object, Lisp_Object, int)); |
| 2683 | extern Lisp_Object internal_catch P_ ((Lisp_Object, Lisp_Object (*) (Lisp_Object), Lisp_Object)); |
| 2684 | extern Lisp_Object internal_lisp_condition_case P_ ((Lisp_Object, Lisp_Object, Lisp_Object)); |
| 2685 | extern Lisp_Object internal_condition_case P_ ((Lisp_Object (*) (void), Lisp_Object, Lisp_Object (*) (Lisp_Object))); |
| 2686 | extern Lisp_Object internal_condition_case_1 P_ ((Lisp_Object (*) (Lisp_Object), Lisp_Object, Lisp_Object, Lisp_Object (*) (Lisp_Object))); |
| 2687 | extern Lisp_Object internal_condition_case_2 P_ ((Lisp_Object (*) (int, Lisp_Object *), int, Lisp_Object *, Lisp_Object, Lisp_Object (*) (Lisp_Object))); |
| 2688 | extern void specbind P_ ((Lisp_Object, Lisp_Object)); |
| 2689 | extern void record_unwind_protect P_ ((Lisp_Object (*) (Lisp_Object), Lisp_Object)); |
| 2690 | extern Lisp_Object unbind_to P_ ((int, Lisp_Object)); |
| 2691 | extern void error P_ ((/* char *, ... */)) NO_RETURN; |
| 2692 | extern void do_autoload P_ ((Lisp_Object, Lisp_Object)); |
| 2693 | extern Lisp_Object un_autoload P_ ((Lisp_Object)); |
| 2694 | EXFUN (Ffetch_bytecode, 1); |
| 2695 | extern void init_eval_once P_ ((void)); |
| 2696 | extern Lisp_Object safe_call P_ ((int, Lisp_Object *)); |
| 2697 | extern Lisp_Object safe_call1 P_ ((Lisp_Object, Lisp_Object)); |
| 2698 | extern void init_eval P_ ((void)); |
| 2699 | extern void syms_of_eval P_ ((void)); |
| 2700 | |
| 2701 | /* Defined in editfns.c */ |
| 2702 | EXFUN (Fpropertize, MANY); |
| 2703 | EXFUN (Fcurrent_message, 0); |
| 2704 | EXFUN (Fgoto_char, 1); |
| 2705 | EXFUN (Fpoint_min_marker, 0); |
| 2706 | EXFUN (Fpoint_max_marker, 0); |
| 2707 | EXFUN (Fpoint_min, 0); |
| 2708 | EXFUN (Fpoint_max, 0); |
| 2709 | EXFUN (Fpoint, 0); |
| 2710 | EXFUN (Fpoint_marker, 0); |
| 2711 | EXFUN (Fmark_marker, 0); |
| 2712 | EXFUN (Fline_beginning_position, 1); |
| 2713 | EXFUN (Fline_end_position, 1); |
| 2714 | EXFUN (Ffollowing_char, 0); |
| 2715 | EXFUN (Fprevious_char, 0); |
| 2716 | EXFUN (Fchar_after, 1); |
| 2717 | EXFUN (Finsert, MANY); |
| 2718 | EXFUN (Finsert_and_inherit, MANY); |
| 2719 | EXFUN (Finsert_before_markers, MANY); |
| 2720 | EXFUN (Finsert_buffer_substring, 3); |
| 2721 | EXFUN (Finsert_char, 3); |
| 2722 | extern void insert1 P_ ((Lisp_Object)); |
| 2723 | EXFUN (Feolp, 0); |
| 2724 | EXFUN (Feobp, 0); |
| 2725 | EXFUN (Fbolp, 0); |
| 2726 | EXFUN (Fbobp, 0); |
| 2727 | EXFUN (Fformat, MANY); |
| 2728 | EXFUN (Fmessage, MANY); |
| 2729 | extern Lisp_Object format2 P_ ((char *, Lisp_Object, Lisp_Object)); |
| 2730 | extern Lisp_Object make_buffer_string P_ ((int, int, int)); |
| 2731 | EXFUN (Fbuffer_substring, 2); |
| 2732 | EXFUN (Fbuffer_string, 0); |
| 2733 | extern Lisp_Object save_excursion_save P_ ((void)); |
| 2734 | extern Lisp_Object save_restriction_save P_ ((void)); |
| 2735 | extern Lisp_Object save_excursion_restore P_ ((Lisp_Object)); |
| 2736 | extern Lisp_Object save_restriction_restore P_ ((Lisp_Object)); |
| 2737 | EXFUN (Fchar_to_string, 1); |
| 2738 | EXFUN (Fdelete_region, 2); |
| 2739 | EXFUN (Fnarrow_to_region, 2); |
| 2740 | EXFUN (Fwiden, 0); |
| 2741 | EXFUN (Fuser_login_name, 1); |
| 2742 | EXFUN (Fsystem_name, 0); |
| 2743 | EXFUN (Fcurrent_time, 0); |
| 2744 | extern int clip_to_bounds P_ ((int, int, int)); |
| 2745 | extern Lisp_Object make_buffer_string P_ ((int, int, int)); |
| 2746 | extern Lisp_Object make_buffer_string_both P_ ((int, int, int, int, int)); |
| 2747 | extern void init_editfns P_ ((void)); |
| 2748 | extern void syms_of_editfns P_ ((void)); |
| 2749 | EXFUN (Fcurrent_message, 0); |
| 2750 | extern Lisp_Object Vinhibit_field_text_motion; |
| 2751 | EXFUN (Fconstrain_to_field, 5); |
| 2752 | EXFUN (Ffield_string, 1); |
| 2753 | EXFUN (Fdelete_field, 1); |
| 2754 | EXFUN (Ffield_beginning, 3); |
| 2755 | EXFUN (Ffield_end, 3); |
| 2756 | EXFUN (Ffield_string_no_properties, 1); |
| 2757 | extern void set_time_zone_rule P_ ((char *)); |
| 2758 | |
| 2759 | /* defined in buffer.c */ |
| 2760 | extern int mouse_face_overlay_overlaps P_ ((Lisp_Object)); |
| 2761 | extern void nsberror P_ ((Lisp_Object)); |
| 2762 | extern char *no_switch_window P_ ((Lisp_Object window)); |
| 2763 | EXFUN (Fset_buffer_multibyte, 1); |
| 2764 | EXFUN (Foverlay_start, 1); |
| 2765 | EXFUN (Foverlay_end, 1); |
| 2766 | extern void adjust_overlays_for_insert P_ ((EMACS_INT, EMACS_INT)); |
| 2767 | extern void adjust_overlays_for_delete P_ ((EMACS_INT, EMACS_INT)); |
| 2768 | extern void fix_start_end_in_overlays P_ ((int, int)); |
| 2769 | extern void report_overlay_modification P_ ((Lisp_Object, Lisp_Object, int, |
| 2770 | Lisp_Object, Lisp_Object, Lisp_Object)); |
| 2771 | extern int overlay_touches_p P_ ((int)); |
| 2772 | extern Lisp_Object Vbuffer_alist, Vinhibit_read_only; |
| 2773 | EXFUN (Fget_buffer, 1); |
| 2774 | EXFUN (Fget_buffer_create, 1); |
| 2775 | EXFUN (Fset_buffer, 1); |
| 2776 | EXFUN (set_buffer_if_live, 1); |
| 2777 | EXFUN (Fbarf_if_buffer_read_only, 0); |
| 2778 | EXFUN (Fcurrent_buffer, 0); |
| 2779 | EXFUN (Fswitch_to_buffer, 2); |
| 2780 | EXFUN (Fpop_to_buffer, 3); |
| 2781 | EXFUN (Fother_buffer, 3); |
| 2782 | EXFUN (Foverlay_get, 2); |
| 2783 | EXFUN (Fbuffer_modified_p, 1); |
| 2784 | EXFUN (Fset_buffer_modified_p, 1); |
| 2785 | EXFUN (Fkill_buffer, 1); |
| 2786 | EXFUN (Fkill_all_local_variables, 0); |
| 2787 | EXFUN (Fbuffer_disable_undo, 1); |
| 2788 | EXFUN (Fbuffer_enable_undo, 1); |
| 2789 | EXFUN (Ferase_buffer, 0); |
| 2790 | extern Lisp_Object Qoverlayp; |
| 2791 | extern Lisp_Object Qevaporate; |
| 2792 | extern Lisp_Object get_truename_buffer P_ ((Lisp_Object)); |
| 2793 | extern struct buffer *all_buffers; |
| 2794 | EXFUN (Fprevious_overlay_change, 1); |
| 2795 | EXFUN (Fbuffer_file_name, 1); |
| 2796 | extern void init_buffer_once P_ ((void)); |
| 2797 | extern void init_buffer P_ ((void)); |
| 2798 | extern void syms_of_buffer P_ ((void)); |
| 2799 | extern void keys_of_buffer P_ ((void)); |
| 2800 | |
| 2801 | /* defined in marker.c */ |
| 2802 | |
| 2803 | EXFUN (Fmarker_position, 1); |
| 2804 | EXFUN (Fmarker_buffer, 1); |
| 2805 | EXFUN (Fcopy_marker, 2); |
| 2806 | EXFUN (Fset_marker, 3); |
| 2807 | extern int marker_position P_ ((Lisp_Object)); |
| 2808 | extern int marker_byte_position P_ ((Lisp_Object)); |
| 2809 | extern void clear_charpos_cache P_ ((struct buffer *)); |
| 2810 | extern int charpos_to_bytepos P_ ((int)); |
| 2811 | extern int buf_charpos_to_bytepos P_ ((struct buffer *, int)); |
| 2812 | extern int buf_bytepos_to_charpos P_ ((struct buffer *, int)); |
| 2813 | extern void unchain_marker P_ ((struct Lisp_Marker *marker)); |
| 2814 | extern Lisp_Object set_marker_restricted P_ ((Lisp_Object, Lisp_Object, Lisp_Object)); |
| 2815 | extern Lisp_Object set_marker_both P_ ((Lisp_Object, Lisp_Object, int, int)); |
| 2816 | extern Lisp_Object set_marker_restricted_both P_ ((Lisp_Object, Lisp_Object, |
| 2817 | int, int)); |
| 2818 | extern void syms_of_marker P_ ((void)); |
| 2819 | |
| 2820 | /* Defined in fileio.c */ |
| 2821 | |
| 2822 | extern Lisp_Object Qfile_error; |
| 2823 | EXFUN (Ffind_file_name_handler, 2); |
| 2824 | EXFUN (Ffile_name_as_directory, 1); |
| 2825 | EXFUN (Fmake_temp_name, 1); |
| 2826 | EXFUN (Fexpand_file_name, 2); |
| 2827 | EXFUN (Ffile_name_nondirectory, 1); |
| 2828 | EXFUN (Fsubstitute_in_file_name, 1); |
| 2829 | EXFUN (Ffile_symlink_p, 1); |
| 2830 | EXFUN (Fverify_visited_file_modtime, 1); |
| 2831 | EXFUN (Ffile_exists_p, 1); |
| 2832 | EXFUN (Ffile_name_absolute_p, 1); |
| 2833 | EXFUN (Fdirectory_file_name, 1); |
| 2834 | EXFUN (Ffile_name_directory, 1); |
| 2835 | extern Lisp_Object expand_and_dir_to_file P_ ((Lisp_Object, Lisp_Object)); |
| 2836 | EXFUN (Ffile_accessible_directory_p, 1); |
| 2837 | EXFUN (Funhandled_file_name_directory, 1); |
| 2838 | EXFUN (Ffile_directory_p, 1); |
| 2839 | EXFUN (Fwrite_region, 7); |
| 2840 | EXFUN (Ffile_readable_p, 1); |
| 2841 | EXFUN (Ffile_executable_p, 1); |
| 2842 | EXFUN (Fread_file_name, 6); |
| 2843 | extern Lisp_Object close_file_unwind P_ ((Lisp_Object)); |
| 2844 | extern void report_file_error P_ ((const char *, Lisp_Object)); |
| 2845 | extern int internal_delete_file P_ ((Lisp_Object)); |
| 2846 | extern void syms_of_fileio P_ ((void)); |
| 2847 | EXFUN (Fmake_temp_name, 1); |
| 2848 | extern void init_fileio_once P_ ((void)); |
| 2849 | extern Lisp_Object make_temp_name P_ ((Lisp_Object, int)); |
| 2850 | EXFUN (Fmake_symbolic_link, 3); |
| 2851 | |
| 2852 | /* Defined in abbrev.c */ |
| 2853 | |
| 2854 | extern void syms_of_abbrev P_ ((void)); |
| 2855 | |
| 2856 | /* defined in search.c */ |
| 2857 | extern void shrink_regexp_cache P_ ((void)); |
| 2858 | EXFUN (Fstring_match, 3); |
| 2859 | extern void restore_search_regs P_ ((void)); |
| 2860 | EXFUN (Fmatch_data, 3); |
| 2861 | EXFUN (Fset_match_data, 2); |
| 2862 | EXFUN (Fmatch_beginning, 1); |
| 2863 | EXFUN (Fmatch_end, 1); |
| 2864 | extern void record_unwind_save_match_data P_ ((void)); |
| 2865 | EXFUN (Flooking_at, 1); |
| 2866 | extern int fast_string_match P_ ((Lisp_Object, Lisp_Object)); |
| 2867 | extern int fast_c_string_match_ignore_case P_ ((Lisp_Object, const char *)); |
| 2868 | extern int fast_string_match_ignore_case P_ ((Lisp_Object, Lisp_Object)); |
| 2869 | extern int scan_buffer P_ ((int, int, int, int, int *, int)); |
| 2870 | extern int scan_newline P_ ((int, int, int, int, int, int)); |
| 2871 | extern int find_next_newline P_ ((int, int)); |
| 2872 | extern int find_next_newline_no_quit P_ ((int, int)); |
| 2873 | extern int find_before_next_newline P_ ((int, int, int)); |
| 2874 | extern void syms_of_search P_ ((void)); |
| 2875 | |
| 2876 | /* defined in minibuf.c */ |
| 2877 | |
| 2878 | extern Lisp_Object last_minibuf_string; |
| 2879 | extern void choose_minibuf_frame P_ ((void)); |
| 2880 | EXFUN (Fcompleting_read, 8); |
| 2881 | EXFUN (Fread_from_minibuffer, 8); |
| 2882 | EXFUN (Fread_variable, 2); |
| 2883 | EXFUN (Fread_buffer, 3); |
| 2884 | EXFUN (Fread_minibuffer, 2); |
| 2885 | EXFUN (Feval_minibuffer, 2); |
| 2886 | EXFUN (Fread_string, 5); |
| 2887 | EXFUN (Fread_no_blanks_input, 3); |
| 2888 | extern Lisp_Object get_minibuffer P_ ((int)); |
| 2889 | extern void temp_echo_area_glyphs P_ ((Lisp_Object)); |
| 2890 | extern void init_minibuf_once P_ ((void)); |
| 2891 | extern void syms_of_minibuf P_ ((void)); |
| 2892 | extern void keys_of_minibuf P_ ((void)); |
| 2893 | |
| 2894 | /* Defined in callint.c */ |
| 2895 | |
| 2896 | extern Lisp_Object Qminus, Qplus, Vcurrent_prefix_arg; |
| 2897 | extern Lisp_Object Vcommand_history; |
| 2898 | extern Lisp_Object Qcall_interactively, Qmouse_leave_buffer_hook; |
| 2899 | EXFUN (Fcall_interactively, 3); |
| 2900 | EXFUN (Fprefix_numeric_value, 1); |
| 2901 | extern void syms_of_callint P_ ((void)); |
| 2902 | |
| 2903 | /* defined in casefiddle.c */ |
| 2904 | |
| 2905 | EXFUN (Fdowncase, 1); |
| 2906 | EXFUN (Fupcase, 1); |
| 2907 | EXFUN (Fcapitalize, 1); |
| 2908 | EXFUN (Fupcase_region, 2); |
| 2909 | EXFUN (Fupcase_initials, 1); |
| 2910 | EXFUN (Fupcase_initials_region, 2); |
| 2911 | extern void syms_of_casefiddle P_ ((void)); |
| 2912 | extern void keys_of_casefiddle P_ ((void)); |
| 2913 | |
| 2914 | /* defined in casetab.c */ |
| 2915 | |
| 2916 | EXFUN (Fset_case_table, 1); |
| 2917 | EXFUN (Fset_standard_case_table, 1); |
| 2918 | extern void init_casetab_once P_ ((void)); |
| 2919 | extern void syms_of_casetab P_ ((void)); |
| 2920 | |
| 2921 | /* defined in keyboard.c */ |
| 2922 | |
| 2923 | extern int echoing; |
| 2924 | extern Lisp_Object echo_message_buffer; |
| 2925 | extern struct kboard *echo_kboard; |
| 2926 | extern void cancel_echoing P_ ((void)); |
| 2927 | extern Lisp_Object Qdisabled, QCfilter; |
| 2928 | extern Lisp_Object Vtty_erase_char, Vhelp_form, Vtop_level; |
| 2929 | extern Lisp_Object Vthrow_on_input; |
| 2930 | extern int input_pending; |
| 2931 | EXFUN (Fdiscard_input, 0); |
| 2932 | EXFUN (Frecursive_edit, 0); |
| 2933 | EXFUN (Ftop_level, 0); |
| 2934 | EXFUN (Fcommand_execute, 4); |
| 2935 | EXFUN (Finput_pending_p, 0); |
| 2936 | extern Lisp_Object menu_bar_items P_ ((Lisp_Object)); |
| 2937 | extern Lisp_Object tool_bar_items P_ ((Lisp_Object, int *)); |
| 2938 | extern Lisp_Object Qvertical_scroll_bar; |
| 2939 | extern void discard_mouse_events P_ ((void)); |
| 2940 | EXFUN (Fevent_convert_list, 1); |
| 2941 | EXFUN (Fread_key_sequence, 5); |
| 2942 | EXFUN (Fset_input_mode, 4); |
| 2943 | extern int detect_input_pending P_ ((void)); |
| 2944 | extern int detect_input_pending_ignore_squeezables P_ ((void)); |
| 2945 | extern int detect_input_pending_run_timers P_ ((int)); |
| 2946 | extern void safe_run_hooks P_ ((Lisp_Object)); |
| 2947 | extern void cmd_error_internal P_ ((Lisp_Object, char *)); |
| 2948 | extern Lisp_Object command_loop_1 P_ ((void)); |
| 2949 | extern Lisp_Object recursive_edit_1 P_ ((void)); |
| 2950 | extern void record_auto_save P_ ((void)); |
| 2951 | extern void init_keyboard P_ ((void)); |
| 2952 | extern void syms_of_keyboard P_ ((void)); |
| 2953 | extern void keys_of_keyboard P_ ((void)); |
| 2954 | extern char *push_key_description P_ ((unsigned int, char *, int)); |
| 2955 | |
| 2956 | |
| 2957 | /* defined in indent.c */ |
| 2958 | EXFUN (Fvertical_motion, 2); |
| 2959 | EXFUN (Findent_to, 2); |
| 2960 | EXFUN (Fcurrent_column, 0); |
| 2961 | EXFUN (Fmove_to_column, 2); |
| 2962 | extern double current_column P_ ((void)); |
| 2963 | extern void invalidate_current_column P_ ((void)); |
| 2964 | extern int indented_beyond_p P_ ((int, int, double)); |
| 2965 | extern void syms_of_indent P_ ((void)); |
| 2966 | |
| 2967 | /* defined in frame.c */ |
| 2968 | #ifdef HAVE_WINDOW_SYSTEM |
| 2969 | extern Lisp_Object Vx_resource_name; |
| 2970 | extern Lisp_Object Vx_resource_class; |
| 2971 | #endif /* HAVE_WINDOW_SYSTEM */ |
| 2972 | extern Lisp_Object Qvisible; |
| 2973 | extern void store_frame_param P_ ((struct frame *, Lisp_Object, Lisp_Object)); |
| 2974 | extern void store_in_alist P_ ((Lisp_Object *, Lisp_Object, Lisp_Object)); |
| 2975 | extern Lisp_Object do_switch_frame P_ ((Lisp_Object, int, int)); |
| 2976 | extern Lisp_Object get_frame_param P_ ((struct frame *, Lisp_Object)); |
| 2977 | extern Lisp_Object frame_buffer_predicate P_ ((Lisp_Object)); |
| 2978 | EXFUN (Fframep, 1); |
| 2979 | EXFUN (Fselect_frame, 1); |
| 2980 | EXFUN (Fselected_frame, 0); |
| 2981 | EXFUN (Fwindow_frame, 1); |
| 2982 | EXFUN (Fframe_root_window, 1); |
| 2983 | EXFUN (Fframe_first_window, 1); |
| 2984 | EXFUN (Fframe_selected_window, 1); |
| 2985 | EXFUN (Fframe_list, 0); |
| 2986 | EXFUN (Fnext_frame, 2); |
| 2987 | EXFUN (Fdelete_frame, 2); |
| 2988 | EXFUN (Fset_mouse_position, 3); |
| 2989 | EXFUN (Fmake_frame_visible, 1); |
| 2990 | EXFUN (Fmake_frame_invisible, 2); |
| 2991 | EXFUN (Ficonify_frame, 1); |
| 2992 | EXFUN (Fframe_visible_p, 1); |
| 2993 | EXFUN (Fvisible_frame_list, 0); |
| 2994 | EXFUN (Fframe_parameter, 2); |
| 2995 | EXFUN (Fframe_parameters, 1); |
| 2996 | EXFUN (Fmodify_frame_parameters, 2); |
| 2997 | EXFUN (Fset_frame_height, 3); |
| 2998 | EXFUN (Fset_frame_width, 3); |
| 2999 | EXFUN (Fset_frame_size, 3); |
| 3000 | EXFUN (Fset_frame_position, 3); |
| 3001 | EXFUN (Fraise_frame, 1); |
| 3002 | EXFUN (Fredirect_frame_focus, 2); |
| 3003 | EXFUN (Fset_frame_selected_window, 2); |
| 3004 | extern Lisp_Object frame_buffer_list P_ ((Lisp_Object)); |
| 3005 | extern void frames_discard_buffer P_ ((Lisp_Object)); |
| 3006 | extern void set_frame_buffer_list P_ ((Lisp_Object, Lisp_Object)); |
| 3007 | extern void frames_bury_buffer P_ ((Lisp_Object)); |
| 3008 | extern void syms_of_frame P_ ((void)); |
| 3009 | |
| 3010 | /* defined in emacs.c */ |
| 3011 | extern Lisp_Object decode_env_path P_ ((char *, char *)); |
| 3012 | extern Lisp_Object Vinvocation_name, Vinvocation_directory; |
| 3013 | extern Lisp_Object Vinstallation_directory, empty_string; |
| 3014 | EXFUN (Fkill_emacs, 1); |
| 3015 | #if HAVE_SETLOCALE |
| 3016 | void fixup_locale P_ ((void)); |
| 3017 | void synchronize_system_messages_locale P_ ((void)); |
| 3018 | void synchronize_system_time_locale P_ ((void)); |
| 3019 | #else |
| 3020 | #define setlocale(category, locale) |
| 3021 | #define fixup_locale() |
| 3022 | #define synchronize_system_messages_locale() |
| 3023 | #define synchronize_system_time_locale() |
| 3024 | #endif |
| 3025 | void shut_down_emacs P_ ((int, int, Lisp_Object)); |
| 3026 | /* Nonzero means don't do interactive redisplay and don't change tty modes */ |
| 3027 | extern int noninteractive; |
| 3028 | /* Nonzero means don't do use window-system-specific display code */ |
| 3029 | extern int inhibit_window_system; |
| 3030 | /* Nonzero means that a filter or a sentinel is running. */ |
| 3031 | extern int running_asynch_code; |
| 3032 | |
| 3033 | /* defined in process.c */ |
| 3034 | EXFUN (Fget_process, 1); |
| 3035 | EXFUN (Fget_buffer_process, 1); |
| 3036 | EXFUN (Fprocessp, 1); |
| 3037 | EXFUN (Fprocess_status, 1); |
| 3038 | EXFUN (Fkill_process, 2); |
| 3039 | EXFUN (Fprocess_send_eof, 1); |
| 3040 | EXFUN (Fwaiting_for_user_input_p, 0); |
| 3041 | extern Lisp_Object Qprocessp; |
| 3042 | extern void kill_buffer_processes P_ ((Lisp_Object)); |
| 3043 | extern int wait_reading_process_output P_ ((int, int, int, int, |
| 3044 | Lisp_Object, |
| 3045 | struct Lisp_Process *, |
| 3046 | int)); |
| 3047 | extern void add_keyboard_wait_descriptor P_ ((int)); |
| 3048 | extern void delete_keyboard_wait_descriptor P_ ((int)); |
| 3049 | extern void close_process_descs P_ ((void)); |
| 3050 | extern void init_process P_ ((void)); |
| 3051 | extern void syms_of_process P_ ((void)); |
| 3052 | extern void setup_process_coding_systems P_ ((Lisp_Object)); |
| 3053 | |
| 3054 | /* defined in callproc.c */ |
| 3055 | extern Lisp_Object Vexec_path, Vexec_suffixes, |
| 3056 | Vexec_directory, Vdata_directory; |
| 3057 | extern Lisp_Object Vdoc_directory; |
| 3058 | EXFUN (Fcall_process, MANY); |
| 3059 | extern int child_setup P_ ((int, int, int, char **, int, Lisp_Object)); |
| 3060 | extern void init_callproc_1 P_ ((void)); |
| 3061 | extern void init_callproc P_ ((void)); |
| 3062 | extern void set_process_environment P_ ((void)); |
| 3063 | extern void syms_of_callproc P_ ((void)); |
| 3064 | |
| 3065 | /* defined in doc.c */ |
| 3066 | extern Lisp_Object Vdoc_file_name; |
| 3067 | EXFUN (Fsubstitute_command_keys, 1); |
| 3068 | EXFUN (Fdocumentation, 2); |
| 3069 | EXFUN (Fdocumentation_property, 3); |
| 3070 | extern Lisp_Object read_doc_string P_ ((Lisp_Object)); |
| 3071 | extern Lisp_Object get_doc_string P_ ((Lisp_Object, int, int)); |
| 3072 | extern void syms_of_doc P_ ((void)); |
| 3073 | extern int read_bytecode_char P_ ((int)); |
| 3074 | |
| 3075 | /* defined in bytecode.c */ |
| 3076 | extern Lisp_Object Qbytecode; |
| 3077 | EXFUN (Fbyte_code, 3); |
| 3078 | extern void syms_of_bytecode P_ ((void)); |
| 3079 | extern struct byte_stack *byte_stack_list; |
| 3080 | extern void mark_byte_stack P_ ((void)); |
| 3081 | extern void unmark_byte_stack P_ ((void)); |
| 3082 | |
| 3083 | /* defined in macros.c */ |
| 3084 | extern Lisp_Object Qexecute_kbd_macro; |
| 3085 | EXFUN (Fexecute_kbd_macro, 3); |
| 3086 | EXFUN (Fcancel_kbd_macro_events, 0); |
| 3087 | extern void init_macros P_ ((void)); |
| 3088 | extern void syms_of_macros P_ ((void)); |
| 3089 | |
| 3090 | /* defined in undo.c */ |
| 3091 | extern Lisp_Object Qinhibit_read_only; |
| 3092 | EXFUN (Fundo_boundary, 0); |
| 3093 | extern void truncate_undo_list P_ ((struct buffer *)); |
| 3094 | extern void record_marker_adjustment P_ ((Lisp_Object, int)); |
| 3095 | extern void record_insert P_ ((int, int)); |
| 3096 | extern void record_delete P_ ((int, Lisp_Object)); |
| 3097 | extern void record_first_change P_ ((void)); |
| 3098 | extern void record_change P_ ((int, int)); |
| 3099 | extern void record_property_change P_ ((int, int, Lisp_Object, Lisp_Object, |
| 3100 | Lisp_Object)); |
| 3101 | extern void syms_of_undo P_ ((void)); |
| 3102 | extern Lisp_Object Vundo_outer_limit; |
| 3103 | |
| 3104 | /* defined in textprop.c */ |
| 3105 | extern Lisp_Object Qfont, Qmouse_face; |
| 3106 | extern Lisp_Object Qinsert_in_front_hooks, Qinsert_behind_hooks; |
| 3107 | EXFUN (Fnext_single_property_change, 4); |
| 3108 | EXFUN (Fnext_single_char_property_change, 4); |
| 3109 | EXFUN (Fprevious_single_property_change, 4); |
| 3110 | EXFUN (Fput_text_property, 5); |
| 3111 | EXFUN (Fprevious_char_property_change, 2); |
| 3112 | EXFUN (Fnext_char_property_change, 2); |
| 3113 | extern void report_interval_modification P_ ((Lisp_Object, Lisp_Object)); |
| 3114 | extern Lisp_Object next_single_char_property_change P_ ((Lisp_Object, |
| 3115 | Lisp_Object, |
| 3116 | Lisp_Object, |
| 3117 | Lisp_Object)); |
| 3118 | |
| 3119 | /* defined in xmenu.c */ |
| 3120 | EXFUN (Fx_popup_menu, 2); |
| 3121 | EXFUN (Fx_popup_dialog, 3); |
| 3122 | extern void syms_of_xmenu P_ ((void)); |
| 3123 | |
| 3124 | /* defined in sysdep.c */ |
| 3125 | #ifndef HAVE_GET_CURRENT_DIR_NAME |
| 3126 | extern char *get_current_dir_name P_ ((void)); |
| 3127 | #endif |
| 3128 | extern void stuff_char P_ ((char c)); |
| 3129 | extern void init_sigio P_ ((int)); |
| 3130 | extern void request_sigio P_ ((void)); |
| 3131 | extern void unrequest_sigio P_ ((void)); |
| 3132 | extern void reset_sys_modes P_ ((void)); |
| 3133 | extern void sys_subshell P_ ((void)); |
| 3134 | extern void sys_suspend P_ ((void)); |
| 3135 | extern void discard_tty_input P_ ((void)); |
| 3136 | extern void init_sys_modes P_ ((void)); |
| 3137 | extern void reset_sys_modes P_ ((void)); |
| 3138 | extern void get_frame_size P_ ((int *, int *)); |
| 3139 | extern void wait_for_termination P_ ((int)); |
| 3140 | extern void flush_pending_output P_ ((int)); |
| 3141 | extern void child_setup_tty P_ ((int)); |
| 3142 | extern void setup_pty P_ ((int)); |
| 3143 | extern int set_window_size P_ ((int, int, int)); |
| 3144 | extern void create_process P_ ((Lisp_Object, char **, Lisp_Object)); |
| 3145 | extern int tabs_safe_p P_ ((void)); |
| 3146 | extern void init_baud_rate P_ ((void)); |
| 3147 | extern int emacs_open P_ ((const char *, int, int)); |
| 3148 | extern int emacs_close P_ ((int)); |
| 3149 | extern int emacs_read P_ ((int, char *, unsigned int)); |
| 3150 | extern int emacs_write P_ ((int, const char *, unsigned int)); |
| 3151 | |
| 3152 | /* defined in filelock.c */ |
| 3153 | EXFUN (Funlock_buffer, 0); |
| 3154 | EXFUN (Ffile_locked_p, 1); |
| 3155 | extern void unlock_all_files P_ ((void)); |
| 3156 | extern void lock_file P_ ((Lisp_Object)); |
| 3157 | extern void unlock_file P_ ((Lisp_Object)); |
| 3158 | extern void unlock_buffer P_ ((struct buffer *)); |
| 3159 | extern void syms_of_filelock P_ ((void)); |
| 3160 | extern void init_filelock P_ ((void)); |
| 3161 | |
| 3162 | /* Defined in sound.c */ |
| 3163 | extern void syms_of_sound P_ ((void)); |
| 3164 | extern void init_sound P_ ((void)); |
| 3165 | |
| 3166 | /* Defined in category.c */ |
| 3167 | extern void init_category_once P_ ((void)); |
| 3168 | extern void syms_of_category P_ ((void)); |
| 3169 | |
| 3170 | /* Defined in ccl.c */ |
| 3171 | extern void syms_of_ccl P_ ((void)); |
| 3172 | |
| 3173 | /* Defined in dired.c */ |
| 3174 | EXFUN (Ffile_attributes, 2); |
| 3175 | extern void syms_of_dired P_ ((void)); |
| 3176 | |
| 3177 | /* Defined in term.c */ |
| 3178 | extern void syms_of_term P_ ((void)); |
| 3179 | extern void fatal () NO_RETURN; |
| 3180 | |
| 3181 | #ifdef HAVE_X_WINDOWS |
| 3182 | /* Defined in fontset.c */ |
| 3183 | extern void syms_of_fontset P_ ((void)); |
| 3184 | EXFUN (Fset_fontset_font, 4); |
| 3185 | #endif |
| 3186 | |
| 3187 | /* Defined in xfaces.c */ |
| 3188 | extern void syms_of_xfaces P_ ((void)); |
| 3189 | |
| 3190 | /* Defined in getloadavg.c */ |
| 3191 | extern int getloadavg P_ ((double *, int)); |
| 3192 | |
| 3193 | #ifdef HAVE_X_WINDOWS |
| 3194 | /* Defined in xfns.c */ |
| 3195 | extern void syms_of_xfns P_ ((void)); |
| 3196 | #endif /* HAVE_X_WINDOWS */ |
| 3197 | #ifdef HAVE_WINDOW_SYSTEM |
| 3198 | /* Defined in xfns.c, w32fns.c, or macfns.c */ |
| 3199 | EXFUN (Fxw_display_color_p, 1); |
| 3200 | EXFUN (Fx_file_dialog, 5); |
| 3201 | #endif /* HAVE_WINDOW_SYSTEM */ |
| 3202 | |
| 3203 | /* Defined in xsmfns.c */ |
| 3204 | extern void syms_of_xsmfns P_ ((void)); |
| 3205 | |
| 3206 | /* Defined in xselect.c */ |
| 3207 | extern void syms_of_xselect P_ ((void)); |
| 3208 | |
| 3209 | /* Defined in xterm.c */ |
| 3210 | extern void syms_of_xterm P_ ((void)); |
| 3211 | |
| 3212 | /* Defined in getloadavg.c */ |
| 3213 | extern int getloadavg P_ ((double [], int)); |
| 3214 | |
| 3215 | #ifdef MSDOS |
| 3216 | /* Defined in msdos.c */ |
| 3217 | EXFUN (Fmsdos_downcase_filename, 1); |
| 3218 | #endif |
| 3219 | \f |
| 3220 | /* Nonzero means Emacs has already been initialized. |
| 3221 | Used during startup to detect startup of dumped Emacs. */ |
| 3222 | extern int initialized; |
| 3223 | |
| 3224 | extern int immediate_quit; /* Nonzero means ^G can quit instantly */ |
| 3225 | |
| 3226 | extern POINTER_TYPE *xmalloc P_ ((size_t)); |
| 3227 | extern POINTER_TYPE *xrealloc P_ ((POINTER_TYPE *, size_t)); |
| 3228 | extern void xfree P_ ((POINTER_TYPE *)); |
| 3229 | |
| 3230 | extern char *xstrdup P_ ((const char *)); |
| 3231 | |
| 3232 | extern char *egetenv P_ ((char *)); |
| 3233 | |
| 3234 | /* Set up the name of the machine we're running on. */ |
| 3235 | extern void init_system_name P_ ((void)); |
| 3236 | |
| 3237 | /* Some systems (e.g., NT) use a different path separator than Unix, |
| 3238 | in addition to a device separator. Default the path separator |
| 3239 | to '/', and don't test for a device separator in IS_ANY_SEP. */ |
| 3240 | |
| 3241 | #ifdef WINDOWSNT |
| 3242 | extern Lisp_Object Vdirectory_sep_char; |
| 3243 | #endif |
| 3244 | |
| 3245 | #ifndef DIRECTORY_SEP |
| 3246 | #define DIRECTORY_SEP '/' |
| 3247 | #endif |
| 3248 | #ifndef IS_DIRECTORY_SEP |
| 3249 | #define IS_DIRECTORY_SEP(_c_) ((_c_) == DIRECTORY_SEP) |
| 3250 | #endif |
| 3251 | #ifndef IS_DEVICE_SEP |
| 3252 | #ifndef DEVICE_SEP |
| 3253 | #define IS_DEVICE_SEP(_c_) 0 |
| 3254 | #else |
| 3255 | #define IS_DEVICE_SEP(_c_) ((_c_) == DEVICE_SEP) |
| 3256 | #endif |
| 3257 | #endif |
| 3258 | #ifndef IS_ANY_SEP |
| 3259 | #define IS_ANY_SEP(_c_) (IS_DIRECTORY_SEP (_c_)) |
| 3260 | #endif |
| 3261 | |
| 3262 | #ifdef SWITCH_ENUM_BUG |
| 3263 | #define SWITCH_ENUM_CAST(x) ((int)(x)) |
| 3264 | #else |
| 3265 | #define SWITCH_ENUM_CAST(x) (x) |
| 3266 | #endif |
| 3267 | |
| 3268 | /* Loop over Lisp list LIST. Signal an error if LIST is not a proper |
| 3269 | list, or if it contains circles. |
| 3270 | |
| 3271 | HARE and TORTOISE should be the names of Lisp_Object variables, and |
| 3272 | N should be the name of an EMACS_INT variable declared in the |
| 3273 | function where the macro is used. Each nested loop should use |
| 3274 | its own variables. |
| 3275 | |
| 3276 | In the loop body, HARE is set to each cons of LIST, and N is the |
| 3277 | length of the list processed so far. */ |
| 3278 | |
| 3279 | #define LIST_END_P(list, obj) \ |
| 3280 | (NILP (obj) \ |
| 3281 | ? 1 \ |
| 3282 | : (CONSP (obj) \ |
| 3283 | ? 0 \ |
| 3284 | : (wrong_type_argument (Qlistp, (list))), 1)) |
| 3285 | |
| 3286 | #define FOREACH(hare, list, tortoise, n) \ |
| 3287 | for (tortoise = hare = (list), n = 0; \ |
| 3288 | !LIST_END_P (list, hare); \ |
| 3289 | (hare = XCDR (hare), ++n, \ |
| 3290 | ((n & 1) != 0 \ |
| 3291 | ? (tortoise = XCDR (tortoise), \ |
| 3292 | (EQ (hare, tortoise) \ |
| 3293 | && (circular_list_error ((list)), 1))) \ |
| 3294 | : 0))) |
| 3295 | |
| 3296 | /* The ubiquitous min and max macros. */ |
| 3297 | |
| 3298 | #ifdef max |
| 3299 | #undef max |
| 3300 | #undef min |
| 3301 | #endif |
| 3302 | #define min(a, b) ((a) < (b) ? (a) : (b)) |
| 3303 | #define max(a, b) ((a) > (b) ? (a) : (b)) |
| 3304 | |
| 3305 | /* Return a fixnum or float, depending on whether VAL fits in a Lisp |
| 3306 | fixnum. */ |
| 3307 | |
| 3308 | #define make_fixnum_or_float(val) \ |
| 3309 | (FIXNUM_OVERFLOW_P (val) \ |
| 3310 | ? make_float (val) \ |
| 3311 | : make_number ((EMACS_INT)(val))) |
| 3312 | |
| 3313 | |
| 3314 | /* Checks the `cycle check' variable CHECK to see if it indicates that |
| 3315 | EL is part of a cycle; CHECK must be either Qnil or a value returned |
| 3316 | by an earlier use of CYCLE_CHECK. SUSPICIOUS is the number of |
| 3317 | elements after which a cycle might be suspected; after that many |
| 3318 | elements, this macro begins consing in order to keep more precise |
| 3319 | track of elements. |
| 3320 | |
| 3321 | Returns nil if a cycle was detected, otherwise a new value for CHECK |
| 3322 | that includes EL. |
| 3323 | |
| 3324 | CHECK is evaluated multiple times, EL and SUSPICIOUS 0 or 1 times, so |
| 3325 | the caller should make sure that's ok. */ |
| 3326 | |
| 3327 | #define CYCLE_CHECK(check, el, suspicious) \ |
| 3328 | (NILP (check) \ |
| 3329 | ? make_number (0) \ |
| 3330 | : (INTEGERP (check) \ |
| 3331 | ? (XFASTINT (check) < (suspicious) \ |
| 3332 | ? make_number (XFASTINT (check) + 1) \ |
| 3333 | : Fcons (el, Qnil)) \ |
| 3334 | : (!NILP (Fmemq ((el), (check))) \ |
| 3335 | ? Qnil \ |
| 3336 | : Fcons ((el), (check))))) |
| 3337 | |
| 3338 | |
| 3339 | /* SAFE_ALLOCA normally allocates memory on the stack, but if size is |
| 3340 | larger than MAX_ALLOCA, use xmalloc to avoid overflowing the stack. */ |
| 3341 | |
| 3342 | #define MAX_ALLOCA 16*1024 |
| 3343 | |
| 3344 | extern Lisp_Object safe_alloca_unwind (Lisp_Object); |
| 3345 | |
| 3346 | #define USE_SAFE_ALLOCA \ |
| 3347 | int sa_count = SPECPDL_INDEX (), sa_must_free = 0 |
| 3348 | |
| 3349 | /* SAFE_ALLOCA allocates a simple buffer. */ |
| 3350 | |
| 3351 | #define SAFE_ALLOCA(buf, type, size) \ |
| 3352 | do { \ |
| 3353 | if ((size) < MAX_ALLOCA) \ |
| 3354 | buf = (type) alloca (size); \ |
| 3355 | else \ |
| 3356 | { \ |
| 3357 | buf = (type) xmalloc (size); \ |
| 3358 | sa_must_free++; \ |
| 3359 | record_unwind_protect (safe_alloca_unwind, \ |
| 3360 | make_save_value (buf, 0)); \ |
| 3361 | } \ |
| 3362 | } while (0) |
| 3363 | |
| 3364 | /* SAFE_FREE frees xmalloced memory and enables GC as needed. */ |
| 3365 | |
| 3366 | #define SAFE_FREE() \ |
| 3367 | do { \ |
| 3368 | if (sa_must_free) { \ |
| 3369 | sa_must_free = 0; \ |
| 3370 | unbind_to (sa_count, Qnil); \ |
| 3371 | } \ |
| 3372 | } while (0) |
| 3373 | |
| 3374 | |
| 3375 | /* SAFE_ALLOCA_LISP allocates an array of Lisp_Objects. */ |
| 3376 | |
| 3377 | #define SAFE_ALLOCA_LISP(buf, nelt) \ |
| 3378 | do { \ |
| 3379 | int size_ = (nelt) * sizeof (Lisp_Object); \ |
| 3380 | if (size_ < MAX_ALLOCA) \ |
| 3381 | buf = (Lisp_Object *) alloca (size_); \ |
| 3382 | else \ |
| 3383 | { \ |
| 3384 | Lisp_Object arg_; \ |
| 3385 | buf = (Lisp_Object *) xmalloc (size_); \ |
| 3386 | arg_ = make_save_value (buf, nelt); \ |
| 3387 | XSAVE_VALUE (arg_)->dogc = 1; \ |
| 3388 | sa_must_free++; \ |
| 3389 | record_unwind_protect (safe_alloca_unwind, arg_); \ |
| 3390 | } \ |
| 3391 | } while (0) |
| 3392 | |
| 3393 | |
| 3394 | #endif /* EMACS_LISP_H */ |
| 3395 | |
| 3396 | /* arch-tag: 9b2ed020-70eb-47ac-94ee-e1c2a5107d5e |
| 3397 | (do not change this comment) */ |