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Resumable partial continuations in the RTL VM

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* libguile/vm-engine.c (receive-values): Bugfix for the case where we
  want an exact number of values.
  (abort): Advance the IP before capturing.  The captured SP is fp - 1,
  not fp.

* libguile/vm.c (vm_reinstate_partial_continuation): Don't push on a
  number-of-values marker.
This commit is contained in:
Andy Wingo 2013-10-20 18:09:52 +02:00
parent 486013d67c
commit 186b56c4dc
2 changed files with 9 additions and 2 deletions
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3
libguile/vm.c
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@ -350,8 +350,11 @@ vm_reinstate_partial_continuation (SCM vm, SCM cont, size_t n, SCM *argv,
vp->sp++;
*vp->sp = argv_copy[i];
}
#if 0
/* The number-of-values marker, only used by the stack VM. */
vp->sp++;
*vp->sp = scm_from_size_t (n);
#endif
/* The prompt captured a slice of the dynamic stack. Here we wind
those entries onto the current thread's stack. We also have to