def test_consistent_hashing(self) -> None:
with open(lockserv_path) as f:
prog1 = mypyvy.parse_program(f.read())
with open(lockserv_path) as f:
prog2 = mypyvy.parse_program(f.read())
typechecker.typecheck_program(prog1)
typechecker.typecheck_program(prog2)
for d1, d2 in zip(prog1.decls_containing_exprs(), prog2.decls_containing_exprs()):
e1 = d1.expr
e2 = d2.expr
with self.subTest(msg='expr hash/eq', e1=e1, e2=e2):
self.assertEqual(e1, e2)
self.assertEqual(hash(e1), hash(e2))
def test_consistent_hashing(self) -> None:
with open(PROJECT_ROOT / 'examples' / 'lockserv.pyv') as f:
prog1 = mypyvy.parse_program(f.read())
with open(PROJECT_ROOT / 'examples' / 'lockserv.pyv') as f:
prog2 = mypyvy.parse_program(f.read())
prog1.resolve()
prog2.resolve()
for d1, d2 in zip(prog1.decls_containing_exprs(), prog2.decls_containing_exprs()):
e1 = d1.expr
e2 = d2.expr
with self.subTest(msg='expr hash/eq', e1=e1, e2=e2):
self.assertEqual(e1, e2)
self.assertEqual(hash(e1), hash(e2))
def test_relativize_quantifiers(self) -> None:
minipaxos = '''
sort node
sort quorum
immutable relation member(node, quorum)
mutable relation active_node(node)
mutable relation active_quorum(quorum)
'''
prog = mypyvy.parse_program(minipaxos)
typechecker.typecheck_program(prog)
node = prog.scope.get_sort('node')
assert node is not None
quorum = prog.scope.get_sort('quorum')
assert quorum is not None
active_node = prog.scope.get('active_node')
assert isinstance(active_node, syntax.RelationDecl)
active_quorum = prog.scope.get('active_quorum')
assert isinstance(active_quorum, syntax.RelationDecl)
guards = {node: active_node, quorum: active_quorum}
e = parser.parse_expr('forall Q1, Q2. exists N. member(N, Q1) & member(N, Q2)')
typechecker.typecheck_expr(prog.scope, e, None)
expected = parser.parse_expr('forall Q1, Q2. active_quorum(Q1) & active_quorum(Q2) -> '
'exists N. active_node(N) & (member(N, Q1) & member(N, Q2))')
with prog.scope.n_states(1):
typechecker.typecheck_expr(prog.scope, expected, None)
self.assertEqual(syntax.relativize_quantifiers(guards, e), expected)
def test_as_clauses_lockserv(self) -> None:
with open(lockserv_path) as f:
prog = mypyvy.parse_program(f.read())
typechecker.typecheck_program(prog)
for inv in prog.invs():
expr = inv.expr
with self.subTest(expr=expr):
syntax.as_clauses(expr)
def test_as_clauses_lockserv(self) -> None:
with open(PROJECT_ROOT / 'examples' / 'lockserv.pyv') as f:
prog = mypyvy.parse_program(f.read())
prog.resolve()
for inv in prog.invs():
expr = inv.expr
with self.subTest(expr=expr):
syntax.as_clauses(expr)
def main():
filename = sys.argv[1]
utils.args = mypyvy.parse_args(['typecheck', filename])
with open(filename) as f:
contents = f.read()
prog = mypyvy.parse_program(contents, filename)
prog.resolve()
#typechecker.typecheck_program(prog)
actions = get_actions(prog)
print(
json.dumps({
"sorts": get_sorts(prog),
"functions": get_functions(prog),
"axioms": get_axioms(prog),
"inits": get_inits(prog),
"conjectures": get_conjs(prog),
"templates": [],
"actions": get_actions(prog),
}))