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new VM operations: fluid-ref, fluid-set

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* libguile/vm-i-system.c (fluid-ref, fluid-set): New VM ops.
This commit is contained in:
Andy Wingo 2010-02-19 11:40:09 +01:00
parent 5ef71027e4
commit 1e7a0337f1
1 changed files with 41 additions and 0 deletions
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41
libguile/vm-i-system.c
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@ -1553,6 +1553,47 @@ VM_DEFINE_INSTRUCTION (91, unwind_fluids, "unwind-fluids", 0, 0, 0)
NEXT; NEXT;
} }
VM_DEFINE_INSTRUCTION (92, fluid_ref, "fluid-ref", 0, 1, 1)
{
size_t num;
SCM fluids;
CHECK_UNDERFLOW ();
fluids = SCM_I_DYNAMIC_STATE_FLUIDS (dynstate);
if (SCM_UNLIKELY (!SCM_I_FLUID_P (*sp))
|| ((num = SCM_I_FLUID_NUM (*sp)) >= SCM_SIMPLE_VECTOR_LENGTH (fluids)))
{
/* Punt dynstate expansion and error handling to the C proc. */
SYNC_REGISTER ();
*sp = scm_fluid_ref (*sp);
}
else
*sp = SCM_SIMPLE_VECTOR_REF (fluids, num);
NEXT;
}
VM_DEFINE_INSTRUCTION (93, fluid_set, "fluid-set", 0, 2, 0)
{
size_t num;
SCM val, fluid, fluids;
POP (val);
POP (fluid);
fluids = SCM_I_DYNAMIC_STATE_FLUIDS (dynstate);
if (SCM_UNLIKELY (!SCM_I_FLUID_P (fluid))
|| ((num = SCM_I_FLUID_NUM (fluid)) >= SCM_SIMPLE_VECTOR_LENGTH (fluids)))
{
/* Punt dynstate expansion and error handling to the C proc. */
SYNC_REGISTER ();
scm_fluid_set_x (fluid, val);
}
else
SCM_SIMPLE_VECTOR_SET (fluids, num, val);
NEXT;
}
/* /*
(defun renumber-ops () (defun renumber-ops ()