def loop_eq_hyps_at_visit(tag, split, eqs, restrs, visit_num, use_if_at=False):
details = (split, (0, 1), eqs)
visit = split_visit_one_visit(tag, details, restrs, visit_num)
start = split_visit_one_visit(tag, details, restrs, vc_num(0))
def mksub(v):
return lambda exp: logic.var_subst(exp, {('%i', word32T): v},
must_subst=False)
zsub = mksub(mk_word32(0))
if visit_num.kind == 'Number':
isub = mksub(mk_word32(visit_num.n))
else:
isub = mksub(mk_plus(mk_var('%n', word32T), mk_word32(visit_num.n)))
hyps = [(Hyp('PCImp', visit, start), '%s pc imp' % tag)]
hyps += [(eq_hyp((zsub(exp), start), (isub(exp), visit), (split, 0),
use_if_at=use_if_at), '%s const' % tag) for exp in eqs
if logic.inst_eq_at_visit(exp, visit_num)]
return hyps
def linear_eq_hyps_at_visit (tag, split, eqs, restrs, visit_num):
details = (split, (0, 1), eqs)
visit = split_visit_one_visit (tag, details, restrs, visit_num)
start = split_visit_one_visit (tag, details, restrs, vc_num (0))
from syntax import mk_word32, mk_plus, mk_var, word32T
def mksub (v):
return lambda exp: logic.var_subst (exp, {('%i', word32T) : v},
must_subst = False)
zsub = mksub (mk_word32 (0))
if visit_num.kind == 'Number':
isub = mksub (mk_word32 (visit_num.n))
else:
isub = mksub (mk_plus (mk_var ('%n', word32T),
mk_word32 (visit_num.n)))
hyps = [(Hyp ('PCImp', visit, start), '%s pc imp' % tag)]
hyps += [(eq_hyp ((zsub (exp), start), (isub (exp), visit),
(split, 0)), '%s const' % tag)
for exp in eqs if logic.inst_eq_at_visit (exp, visit_num)]
return hyps
def inst(exp):
return logic.inst_eq_at_visit(exp, visit)
def inst (exp): return logic.inst_eq_at_visit (exp, visit)
