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Added "yosys-smtbmc --constr"

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This commit is contained in:
Clifford Wolf 2016-08-22 17:27:43 +02:00
parent 2bd30e2026
commit 583ceee6eb
2 changed files with 94 additions and 4 deletions
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21
backends/smt2/smtio.py
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@ -322,11 +322,28 @@ class smtio:
self.write("(get-value (%s))" % " ".join(expr_list))
return [n[1] for n in self.parse(self.read())]
def get_path(self, mod, path):
assert mod in self.modinfo
path = path.split(".")
for i in range(len(path)-1):
first = ".".join(path[0:i+1])
second = ".".join(path[i+1:])
if first in self.modinfo[mod].cells:
nextmod = self.modinfo[mod].cells[first]
return [first] + self.get_path(nextmod, second)
return [".".join(path)]
def net_expr(self, mod, base, path):
if len(path) == 1:
assert mod in self.modinfo
assert path[0] in self.modinfo[mod].wsize
return "(|%s_n %s| %s)" % (mod, path[0], base)
if path[0] in self.modinfo[mod].wsize:
return "(|%s_n %s| %s)" % (mod, path[0], base)
if path[0] in self.modinfo[mod].memories:
return "(|%s_m %s| %s)" % (mod, path[0], base)
assert 0
assert mod in self.modinfo
assert path[0] in self.modinfo[mod].cells