149 lines
3.4 KiB
C
Executable File
149 lines
3.4 KiB
C
Executable File
/*************************************************************************
|
|
* *
|
|
* Yap Prolog *
|
|
* *
|
|
* Yap Prolog Was Developed At Nccup - Universidade Do Porto *
|
|
* *
|
|
* Copyright L.Damas, V.S.Costa And Universidade Do Porto 1985-1997 *
|
|
* *
|
|
**************************************************************************
|
|
* *
|
|
* File: Yap.C *
|
|
* Last Rev: *
|
|
* Mods: *
|
|
* Comments: Yap's Main File *
|
|
* *
|
|
*************************************************************************/
|
|
/* static char SccsId[] = "X 4.3.3"; */
|
|
|
|
#include "YapInterface.h"
|
|
#include "config.h"
|
|
|
|
#include "cut_c.h"
|
|
|
|
#ifdef _MSC_VER /* Microsoft's Visual C++ Compiler */
|
|
#undef HAVE_UNISTD_H
|
|
#endif
|
|
#ifdef _WIN32 /* Microsoft's Visual C++ Compiler */
|
|
#include <io.h>
|
|
#include <windows.h>
|
|
#endif
|
|
#include <stdio.h>
|
|
#if HAVE_SYS_TYPES_H
|
|
#include <sys/types.h>
|
|
#endif
|
|
#if HAVE_SYS_STAT_H
|
|
#include <sys/stat.h>
|
|
#endif
|
|
#if HAVE_FCNTL_H
|
|
#include <fcntl.h>
|
|
#endif
|
|
#if HAVE_STDARG_H
|
|
#include <stdarg.h>
|
|
#endif
|
|
#include <stdlib.h>
|
|
#if HAVE_UNISTD_H
|
|
#include <unistd.h>
|
|
#endif
|
|
#if HAVE_ERRNO_H
|
|
#include <errno.h>
|
|
#endif
|
|
#if HAVE_CTYPE_H
|
|
#include <ctype.h>
|
|
#endif
|
|
#if HAVE_STRING_H
|
|
#include <string.h>
|
|
#endif
|
|
#if HAVE_IEEEFP_H
|
|
#include <ieeefp.h>
|
|
#endif
|
|
|
|
static void do_top_goal(YAP_Term Goal);
|
|
static void exec_top_level(int BootMode, YAP_init_args *iap);
|
|
|
|
#ifdef lint
|
|
/* VARARGS1 */
|
|
#endif
|
|
|
|
#ifdef M_WILLIAMS
|
|
long _stksize = 32000;
|
|
#endif
|
|
|
|
static void do_top_goal(YAP_Term Goal) { YAP_RunGoalOnce(Goal); }
|
|
|
|
static int init_standard_system(int argc, char *argv[], YAP_init_args *iap) {
|
|
|
|
YAP_file_type_t BootMode;
|
|
|
|
BootMode = YAP_parse_yap_arguments(argc, argv, iap);
|
|
|
|
/* init memory */
|
|
iap->boot_file_type =
|
|
BootMode = YAP_Init(iap);
|
|
if (iap->ErrorNo) {
|
|
/* boot failed */
|
|
YAP_Error(iap->ErrorNo, 0L, iap->ErrorCause);
|
|
}
|
|
return BootMode;
|
|
}
|
|
|
|
static void exec_top_level(int BootMode, YAP_init_args *iap) {
|
|
YAP_Term atomfalse;
|
|
YAP_Atom livegoal;
|
|
|
|
if (BootMode == YAP_BOOT_FROM_SAVED_STACKS) {
|
|
/* continue executing from the frozen stacks */
|
|
YAP_ContinueGoal();
|
|
}
|
|
livegoal = YAP_FullLookupAtom("$live");
|
|
/* the top-level is now ready */
|
|
|
|
/* read it before case someone, that is, Ashwin, hides
|
|
the atom false away ;-).
|
|
*/
|
|
atomfalse = YAP_MkAtomTerm(YAP_FullLookupAtom("$false"));
|
|
while (YAP_GetValue(livegoal) != atomfalse) {
|
|
YAP_Reset(YAP_FULL_RESET);
|
|
do_top_goal(YAP_MkAtomTerm(livegoal));
|
|
livegoal = YAP_FullLookupAtom("$live");
|
|
}
|
|
YAP_Exit(EXIT_SUCCESS);
|
|
}
|
|
|
|
// FILE *debugf;
|
|
|
|
#ifdef LIGHT
|
|
int _main(int argc, char **argv)
|
|
#else
|
|
int main(int argc, char **argv)
|
|
#endif
|
|
{
|
|
int BootMode;
|
|
int i;
|
|
YAP_init_args init_args;
|
|
BootMode = init_standard_system(argc, argv, &init_args);
|
|
if (BootMode == YAP_BOOT_ERROR) {
|
|
fprintf(stderr, "[ FATAL ERROR: could not find saved state ]\n");
|
|
exit(1);
|
|
}
|
|
/* Begin preprocessor code */
|
|
if (BootMode != YAP_BOOT_FROM_SAVED_STACKS) {
|
|
// process the definitions
|
|
for (i = 0; i < init_args.def_c; ++i) {
|
|
YAP_Term t_args[2], t_goal;
|
|
t_args[0] = YAP_MkAtomTerm(YAP_LookupAtom(init_args.def_var[i]));
|
|
t_args[1] = YAP_MkAtomTerm(YAP_LookupAtom(init_args.def_value[i]));
|
|
t_goal = YAP_MkApplTerm(YAP_MkFunctor(YAP_LookupAtom("ypp_define"), 2), 2,
|
|
t_args);
|
|
YAP_RunGoalOnce(t_goal);
|
|
}
|
|
}
|
|
|
|
YAP_Reset(YAP_FULL_RESET);
|
|
/* End preprocessor code */
|
|
|
|
exec_top_level(BootMode, &init_args);
|
|
|
|
return (0);
|
|
}
|