libguile/__scm.h

   1 /* DO NOT EDIT  --- AUTO-GENERATED --- DO NOT EDIT */
   2 #line 1 "__scm.hd"
   3 /* classes: h_files */
   4
   5 #ifndef __SCMH
   6 #define __SCMH
   7 /*      Copyright (C) 1995, 1996 Free Software Foundation, Inc.
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2, or (at your option)
  12  * any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this software; see the file COPYING.  If not, write to
  21  * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
  22  *
  23  * As a special exception, the Free Software Foundation gives permission
  24  * for additional uses of the text contained in its release of GUILE.
  25  *
  26  * The exception is that, if you link the GUILE library with other files
  27  * to produce an executable, this does not by itself cause the
  28  * resulting executable to be covered by the GNU General Public License.
  29  * Your use of that executable is in no way restricted on account of
  30  * linking the GUILE library code into it.
  31  *
  32  * This exception does not however invalidate any other reasons why
  33  * the executable file might be covered by the GNU General Public License.
  34  *
  35  * This exception applies only to the code released by the
  36  * Free Software Foundation under the name GUILE.  If you copy
  37  * code from other Free Software Foundation releases into a copy of
  38  * GUILE, as the General Public License permits, the exception does
  39  * not apply to the code that you add in this way.  To avoid misleading
  40  * anyone as to the status of such modified files, you must delete
  41  * this exception notice from them.
  42  *
  43  * If you write modifications of your own for GUILE, it is your choice
  44  * whether to permit this exception to apply to your modifications.
  45  * If you do not wish that, delete this exception notice.
  46  */
  47 \f
  48 /* {Supported Options}
  49  *
  50  * These may be defined or undefined.
  51  */
  52
  53 /* If the compile FLAG `CAUTIOUS' is #defined then the number of
  54  * arguments is always checked for application of closures.  If the
  55  * compile FLAG `RECKLESS' is #defined then they are not checked.
  56  * Otherwise, number of argument checks for closures are made only when
  57  * the function position (whose value is the closure) of a combination is
  58  * not an ILOC or GLOC.  When the function position of a combination is a
  59  * symbol it will be checked only the first time it is evaluated because
  60  * it will then be replaced with an ILOC or GLOC.
  61  */
  62 #undef RECKLESS
  63 #define CAUTIOUS
  64
  65 /* After looking up a local for the first time, rewrite the
  66  * code graph, caching its position.
  67  */
  68 #define MEMOIZE_LOCALS
  69
  70 /* All the number support there is.
  71  */
  72 #define SCM_FLOATS
  73 #define BIGNUMS
  74
  75 /* GC should relinquish empty cons-pair arenas.
  76  */
  77 #define GC_FREE_SEGMENTS
  78
  79 /* Provide a scheme-accessible count-down timer that
  80  * generates a pseudo-interrupt.
  81  */
  82 #define TICKS
  83
  84
  85 /* Use engineering notation when converting numbers strings?
  86  */
  87 #undef ENGNOT
  88
  89 /* Include support for uniform arrays?
  90  *
  91  * Possibly some of the initialization code depends on this
  92  * being defined, but that is a bug and should be fixed.
  93  */
  94 #define ARRAYS
  95
  96 #undef SCM_CAREFUL_INTS
  97 \f
  98 /* {Unsupported Options}
  99  *
 100  * These must be defined.
 101  */
 102
 103
 104 #define CCLO
 105 #define SICP
 106
 107 \f
 108
 109 /* Random options (net yet supported or in final form). */
 110
 111 #undef DEBUG_EXTENSIONS
 112 #undef READER_EXTENSIONS
 113 #undef SCM_STACK_LIMIT 20000
 114 #undef NO_CEVAL_STACK_CHECK
 115 #undef LONGLONGS
 116
 117 /* Some auto-generated .h files contain unused prototypes
 118  * that need these typedefs.
 119  */
 120 typedef long long_long;
 121 typedef unsigned long ulong_long;
 122
 123
 124 \f
 125
 126 /* Define
 127  *
 128  * SCM_CHAR_SCM_CODE_LIMIT              == UCHAR_MAX + 1
 129  * SCM_MOST_POSITIVE_FIXNUM     (LONG_MAX>>2)
 130  * SCM_MOST_NEGATIVE_FIXNUM     == SCM_SRS((long)LONG_MIN, 2)
 131  */
 132
 133 #ifdef HAVE_LIMITSH
 134 # include <limits.h>
 135 # ifdef UCHAR_MAX
 136 #  define SCM_CHAR_SCM_CODE_LIMIT (UCHAR_MAX+1L)
 137 # else
 138 #  define SCM_CHAR_SCM_CODE_LIMIT 256L
 139 # endif /* def UCHAR_MAX */
 140 # define SCM_MOST_POSITIVE_FIXNUM (LONG_MAX>>2)
 141 # ifdef _UNICOS                 /* Stupid cray bug */
 142 #  define SCM_MOST_NEGATIVE_FIXNUM ((long)LONG_MIN/4)
 143 # else
 144 #  define SCM_MOST_NEGATIVE_FIXNUM SCM_SRS((long)LONG_MIN, 2)
 145 # endif                         /* UNICOS */
 146 #else
 147 # define SCM_CHAR_SCM_CODE_LIMIT 256L
 148 # define SCM_MOST_POSITIVE_FIXNUM ((long)((unsigned long)~0L>>3))
 149 # if (0 != ~0)
 150 #  define SCM_MOST_NEGATIVE_FIXNUM (-SCM_MOST_POSITIVE_FIXNUM-1)
 151 # else
 152 #  define SCM_MOST_NEGATIVE_FIXNUM (-SCM_MOST_POSITIVE_FIXNUM)
 153 # endif /*  (0 != ~0) */
 154 #endif /* def HAVE_LIMITSH */
 155 \f
 156
 157 #include <scmconfig.h>
 158 #include "tags.h"
 159
 160 \f
 161 #ifdef vms
 162 # ifndef CHEAP_CONTINUATIONS
 163    typedef int jmp_buf[17];
 164    extern int setjump(jmp_buf env);
 165    extern int longjump(jmp_buf env, int ret);
 166 #  define setjmp setjump
 167 #  define longjmp longjump
 168 # else
 169 #  include <setjmp.h>
 170 # endif
 171 #else                           /* ndef vms */
 172 # ifdef _CRAY1
 173     typedef int jmp_buf[112];
 174     extern int setjump(jmp_buf env);
 175     extern int longjump(jmp_buf env, int ret);
 176 #  define setjmp setjump
 177 #  define longjmp longjump
 178 # else                          /* ndef _CRAY1 */
 179 #  include <setjmp.h>
 180 # endif                         /* ndef _CRAY1 */
 181 #endif                          /* ndef vms */
 182
 183
 184 /* James Clark came up with this neat one instruction fix for
 185  * continuations on the SPARC.  It flushes the register windows so
 186  * that all the state of the process is contained in the stack.
 187  */
 188
 189 #ifdef sparc
 190 # define SCM_FLUSH_REGISTER_WINDOWS asm("ta 3")
 191 #else
 192 # define SCM_FLUSH_REGISTER_WINDOWS /* empty */
 193 #endif
 194
 195 /* If stack is not longword aligned then
 196  */
 197
 198 /* #define SHORT_ALIGN */
 199 #ifdef THINK_C
 200 # define SHORT_ALIGN
 201 #endif
 202 #ifdef MSDOS
 203 # define SHORT_ALIGN
 204 #endif
 205 #ifdef atarist
 206 # define SHORT_ALIGN
 207 #endif
 208
 209 #ifdef SHORT_ALIGN
 210 typedef short SCM_STACKITEM;
 211 #else
 212 typedef long SCM_STACKITEM;
 213 #endif
 214 \f
 215
 216 extern unsigned int scm_async_clock;
 217 #define SCM_ASYNC_TICK          if (0 == --scm_async_clock) scm_async_click ()
 218
 219 #ifdef SCM_CAREFUL_INTS
 220 #define SCM_CHECK_NOT_DISABLED \
 221   if (scm_ints_disabled) \
 222     fputs("ints already disabled\n", stderr); \
 223
 224 #define SCM_CHECK_NOT_ENABLED \
 225   if (!scm_ints_disabled) \
 226     fputs("ints already enabled\n", stderr); \
 227
 228 #else
 229 #define SCM_CHECK_NOT_DISABLED
 230 #define SCM_CHECK_NOT_ENABLED
 231 #endif
 232
 233
 234 #define SCM_DEFER_INTS \
 235 { \
 236   SCM_CHECK_NOT_DISABLED; \
 237   scm_ints_disabled = 1; \
 238 } \
 239
 240
 241 #define SCM_ALLOW_INTS_ONLY \
 242 { \
 243   scm_ints_disabled = 0; \
 244 } \
 245
 246
 247 #define SCM_ALLOW_INTS \
 248 { \
 249   SCM_CHECK_NOT_ENABLED; \
 250   scm_ints_disabled = 0; \
 251   SCM_ASYNC_TICK; \
 252 } \
 253
 254
 255 #define SCM_REDEFER_INTS  \
 256 { \
 257   ++scm_ints_disabled; \
 258 } \
 259
 260
 261 #define SCM_REALLOW_INTS \
 262 { \
 263   --scm_ints_disabled; \
 264   if (!scm_ints_disabled) \
 265     SCM_ASYNC_TICK; \
 266 } \
 267
 268
 269
 270 \f
 271
 272 /** SCM_ASSERT
 273  **
 274  **/
 275
 276
 277 #ifdef SCM_RECKLESS
 278 #define SCM_ASSERT(_cond, _arg, _pos, _subr)
 279 #define SCM_ASRTGO(_cond, _label)
 280 #else
 281 #define SCM_ASSERT(_cond, _arg, _pos, _subr) \
 282         if (!(_cond)) \
 283           scm_wta(_arg, (char *)(_pos), _subr)
 284 #define SCM_ASRTGO(_cond, _label) \
 285         if (!(_cond)) \
 286           goto _label
 287 #endif
 288
 289
 290 #define SCM_ARGn                0
 291 #define SCM_ARG1                1
 292 #define SCM_ARG2                2
 293 #define SCM_ARG3                3
 294 #define SCM_ARG4                4
 295 #define SCM_ARG5                5
 296 #define SCM_ARG6                6
 297 #define SCM_ARG7                7
 298 #define SCM_ARGERR(X)           ((X) < SCM_WNA \
 299                                  ? (char *)(X) \
 300                                  : "wrong type argument")
 301
 302 /* Following must match entry indexes in scm_errmsgs[].
 303  * Also, SCM_WNA must follow the last SCM_ARGn in sequence.
 304  */
 305 #define SCM_WNA                 8
 306 #define SCM_OVSCM_FLOW          9
 307 #define SCM_OUTOFRANGE          10
 308 #define SCM_NALLOC              11
 309 #define SCM_STACK_SCM_OVSCM_FLOW        12
 310 #define SCM_EXIT                13
 311
 312
 313 /* (...still matching scm_errmsgs)  These
 314  * are signals.  Signals may become errors
 315  * but are distinguished because they first
 316  * try to invoke a handler that can resume
 317  * the interrupted routine.
 318  */
 319 #define SCM_HUP_SIGNAL          14
 320 #define SCM_INT_SIGNAL          15
 321 #define SCM_FPE_SIGNAL          16
 322 #define SCM_BUS_SIGNAL          17
 323 #define SCM_SEGV_SIGNAL         18
 324 #define SCM_ALRM_SIGNAL         19
 325 #define SCM_GC_SIGNAL           20
 326 #define SCM_TICK_SIGNAL         21
 327
 328 #define SCM_SIG_ORD(X)          ((X) - SCM_HUP_SIGNAL)
 329 #define SCM_ORD_SIG(X)          ((X) + SCM_HUP_SIGNAL)
 330 #define SCM_NUM_SIGS            (SCM_SIG_ORD (SCM_TICK_SIGNAL) + 1)
 331
 332 struct errdesc
 333 {
 334   char *msg;
 335   char *s_response;
 336   short parent_err;
 337 };
 338
 339
 340 extern struct errdesc scm_errmsgs[];
 341
 342 \f
 343
 344 /* SCM_EXIT_SUCCESS is the default code to return from SCM if no errors
 345  * were encountered.  SCM_EXIT_FAILURE is the default code to return from
 346  * SCM if errors were encountered.  The return code can be explicitly
 347  * specified in a SCM program with (scm_quit <n>).
 348  */
 349
 350 #ifndef SCM_EXIT_SUCCESS
 351 #ifdef vms
 352 #define SCM_EXIT_SUCCESS 1
 353 #else
 354 #define SCM_EXIT_SUCCESS 0
 355 #endif /* def vms */
 356 #endif /* ndef SCM_EXIT_SUCCESS */
 357 #ifndef SCM_EXIT_FAILURE
 358 #ifdef vms
 359 #define SCM_EXIT_FAILURE 2
 360 #else
 361 #define SCM_EXIT_FAILURE 1
 362 #endif /* def vms */
 363 #endif /* ndef SCM_EXIT_FAILURE */
 364
 365
 366
 367 \f
 368 #ifdef __STDC__
 369
 370 #else /* STDC */
 371
 372 #endif /* STDC */
 373
 374
 375 #endif  /* __SCMH */