int skb_init(void)
{
int n;
ec_set_option_int(EC_OPTION_IO, MEMORY_IO);
ec_set_option_ptr(EC_OPTION_ECLIPSEDIR, ECLIPSE_DIR);
ec_set_option_long(EC_OPTION_GLOBALSIZE, MEMORY_SIZE);
ec_set_option_int(EC_OPTION_IO, MEMORY_IO);
SKB_DEBUG("\ninitialize eclipse\n");
n = ec_init();
if (n != 0) {
SKB_DEBUG("\nskb_main: ec_init() failed.");
}
return (n);
}
main(int argc, char **argv)
{
char * eclipsedir = (char *) 0;
int c, new_argc, err;
int init_flags = INIT_SHARED|INIT_PRIVATE|INIT_ENGINE|INIT_PROCESS;
char * session, * nsrv_hostname;
unsigned nsrv_port_number;
uword size;
/*
* If stdio is not a tty, get rid of the console window. This is not ideal
* since the window flashes up briefly, but no better solution yet.
* (The correct way would be not to build eclipse.exe as a "console
* application" and have a WinMain() instead of main(). But then we have
* to do all the setup of stdin/out/err, argc/argv, environment etc
* ourselves)
*/
if (!isatty(_fileno(stdin))
&& !isatty(_fileno(stdout))
&& !isatty(_fileno(stderr)))
{
FreeConsole();
}
/*
* collect information from the command line
* remove some internally used arguments from the command line
*/
for (c = new_argc = 1; c < argc; )
{
if (argv[c][0] == '-' && argv[c][2] == 0) /* single char opt */
{
switch (argv[c][1])
{
case 'a': /* -a <worker> <session>
<nsrv_hostname> <nsrv_port_no> */
if (++c + 4 > argc) usage(argv[c-1]);
ec_set_option_int(EC_OPTION_PARALLEL_WORKER, atoi(argv[c++]));
session = argv[c++];
nsrv_hostname = argv[c++];
nsrv_port_number = atoi(argv[c++]);
break;
case 'c': /* -c <shared_map_file> */
if (++c + 1 > argc) usage(argv[c-1]);
ec_set_option_ptr(EC_OPTION_MAPFILE, argv[c++]);
ec_set_option_int(EC_OPTION_ALLOCATION, ALLOC_FIXED);
init_flags &= ~INIT_SHARED;
break;
case 'm': /* -m <shared_map_file> */
if (++c + 1 > argc) usage(argv[c-1]);
ec_set_option_ptr(EC_OPTION_MAPFILE, argv[c++]);
ec_set_option_int(EC_OPTION_ALLOCATION, ALLOC_FIXED);
break;
case 'b': /* -b <bootfile> */
argv[new_argc++] = argv[c]; /* shift */
if (++c + 1 > argc) usage(argv[c-1]);
argv[new_argc++] = argv[c++]; /* shift */
break;
case 'e': /* -e <goal> */
argv[new_argc++] = argv[c]; /* shift */
if (++c + 1 > argc) usage(argv[c-1]);
argv[new_argc++] = argv[c++]; /* shift */
break;
case 'g': /* -g <size> */
argv[new_argc++] = argv[c]; /* shift */
if (++c + 1 > argc) usage(argv[c-1]);
argv[new_argc++] = argv[c]; /* shift */
size = sizearg(argv[c++]);
ec_set_option_long(EC_OPTION_GLOBALSIZE, size);
if (size < MIN_GLOBAL) {
fprintf(stderr,"Global stack size out of range\n");
exit(-1);
}
break;
case 'd': /* -d <n> */
/* delay worker startup by <n> seconds */
if (++c + 1 > argc) usage(argv[c-1]);
Sleep(1000 * atoi(argv[c++]));
break;
case 'D': /* -D <eclipsedir> */
if (++c + 1 > argc) usage(argv[c-1]);
eclipsedir = argv[c++];
break;
case 'l': /* -l <size> */
argv[new_argc++] = argv[c]; /* shift */
if (++c + 1 > argc) usage(argv[c-1]);
argv[new_argc++] = argv[c]; /* shift */
size = sizearg(argv[c++]);
ec_set_option_long(EC_OPTION_LOCALSIZE, size);
if (size < MIN_LOCAL) {
fprintf(stderr,"Local stack size out of range\n");
exit(-1);
}
break;
case 'h': /* -h <size> */
argv[new_argc++] = argv[c]; /* shift */
if (++c + 1 > argc) usage(argv[c-1]);
argv[new_argc++] = argv[c]; /* shift */
size = sizearg(argv[c++]);
ec_set_option_long(EC_OPTION_PRIVATESIZE, size);
if (size < MIN_PRIVATE) {
fprintf(stderr,"Private heap size out of range\n");
exit(-1);
}
break;
case 's': /* -s <size> */
argv[new_argc++] = argv[c]; /* shift */
if (++c + 1 > argc) usage(argv[c-1]);
argv[new_argc++] = argv[c]; /* shift */
size = sizearg(argv[c++]);
ec_set_option_long(EC_OPTION_SHAREDSIZE, size);
if (size < MIN_SHARED) {
fprintf(stderr,"Shared heap size out of range\n");
exit(-1);
}
break;
case 'o': /* enable oracles */
c += 1;
/* vm_options = ORACLES_ENABLED; */
break;
case '-': /* -- give the rest to Prolog */
for (; c < argc; )
argv[new_argc++] = argv[c++];
break;
default: /* unknown: error */
usage(argv[c]);
break;
}
}
else if (!strcmp(argv[c], "-debug_level"))
{
if (++c + 1 > argc) usage(argv[c-1]);
ec_set_option_int(EC_OPTION_DEBUG_LEVEL, atoi(argv[c++]));
}
else /* raise error unless preceeded by a -- option */
{
usage(argv[c]);
}
}
/*----------------------------------------------------------------
* Entry point after longjmp(reset)
*----------------------------------------------------------------*/
switch (setjmp(reset))
{
case 0: /* raw boot or -r from above */
break;
case 3: /* restore program state */
case 2:
init_flags = REINIT_SHARED|INIT_ENGINE|INIT_PRIVATE;
break;
case 4: /* restore execution state */
init_flags = REINIT_SHARED|INIT_PRIVATE;
break;
case 1: /* reset after fatal error */
default:
init_flags = INIT_ENGINE;
switch (memory_corrupted++)
{
case 0:
break;
case 1:
/* try to print a message */
memory_corrupted = 2;
fprintf(stderr,"\n*** SEPIA Fatal error: memory corrupted\n");
/* fall to */
case 2:
/* we couldn't even print the message */
exit(-1);
}
break;
}
/*
* set up our own panic function which longjumps back to reset
*/
ec_set_option_ptr(EC_OPTION_PANIC, main_panic);
ec_set_option_int(EC_OPTION_INIT, init_flags);
ec_set_option_int(EC_OPTION_ARGC, new_argc);
ec_set_option_ptr(EC_OPTION_ARGV, argv);
if (eclipsedir)
ec_set_option_ptr(EC_OPTION_ECLIPSEDIR, eclipsedir);
ec_init();
ec_post_goal(ec_term(ec_did(":",2), ec_atom(ec_did("sepia_kernel",0)),
ec_atom(ec_did("standalone_toplevel",0))));
do {
err = ec_resume();
} while (err == PYIELD);
ec_cleanup();
return err;
}