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#include "rc.h"
/* globals */
Thread *shell = nil;
int ntrap = 0;
Io *errio;
/* main execution */
void
dotrap(void)
{
exit(1);
}
void
bootup(Code *c, int off, Var *vars)
{
Thread *sh;
alloc(sh);
sh->code = c, c->i++;
sh->ip = sh->code + off;
sh->local = vars;
sh->stack = nil;
sh->link = shell, shell = sh;
}
int
main(int argc, char *argv[])
{
int i;
Code *ip, sh[32];
ARGBEGIN {
} ARGEND;
errio = openfd(2);
initkw();
ip = sh;
memset(sh, 0, sizeof(sh));
/*
* NOTE: first element of code is a reference count
* bootup runs:
* 1. *=argv[1:]
* 2. . rcmain $*
*/
#if 0
ip++->i = 1;
ip++->f = Xmark;
ip++->f = Xword;
ip++->s = "*";
ip++->f = Xassign;
ip++->f = Xmark;
ip++->f = Xmark;
ip++->s = "*";
ip++->f = Xdol;
ip++->s = "rcmain";
ip++->f = Xword;
ip++->s = ".";
ip++->f = Xsimple;
ip++->f = Xexit;
ip++->i = 0;
bootup(sh, 1, nil);
pushlist();
for (i = argc-1; i != 0; i--)
pushword(argv[i]);
for (;;) {
shell->ip++->f();
if (ntrap)
dotrap();
}
#else
bootup(sh, 1, nil);
shell->cmd.io = openfd(0);
while (parse())
;
#endif
exit(0);
}
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