def eval(expr, env):
try:
s = solver.smt_expr(expr, env, rep.solv)
s_x = solver.parse_s_expression(s)
ev = search.eval_model(m, s_x)
return (s, solver.smt_expr(ev, {}, None))
except solver.EnvMiss, e:
return None
def eval_model_bool(m, x):
if hasattr(x, "typ"):
x = solver.smt_expr(x, {}, None)
x = solver.parse_s_expression(x)
try:
r = search.eval_model(m, x)
assert r in [syntax.true_term, syntax.false_term], r
return r == syntax.true_term
except:
return "EXCEPT"
def eval_model_bool(m, x):
if hasattr(x, 'typ'):
x = solver.smt_expr(x, {}, None)
x = solver.parse_s_expression(x)
try:
r = search.eval_model(m, x)
assert r in [syntax.true_term, syntax.false_term], r
return r == syntax.true_term
except:
return 'EXCEPT'
def fetch((n, vc)):
if n in vds and [(nm, typ)
for (nm, typ) in vs if (nm, typ) not in vds[n]]:
return None
try:
(_, env) = rep.get_node_pc_env((n, vc), tag)
s = solver.smt_expr(v, env, rep.solv)
s_x = solver.parse_s_expression(s)
ev = search.eval_model(m, s_x)
return (s, solver.smt_expr(ev, {}, None))
except solver.EnvMiss, e:
return None
def model_sx_word(m, sx):
v = search.eval_model(m, sx)
assert v.typ.kind == "Word"
x = v.val & ((1 << v.typ.num) - 1)
return solver.smt_num(x, v.typ.num)
def model_sx_word(m, sx):
v = search.eval_model(m, sx)
x = expr_num(v)
return solver.smt_num_t(x, v.typ)
