コード例 #1
0
ファイル: testgen.py プロジェクト: albertyang33/commuter
    def __init__(self, key_type, iterable_or_fn, enumerate=True):
        """Initialize an empty Interpreter.

        key_type must be a Symbolic subclass.  iterable_or_fn must be
        as for DynamicDict.  If iterable_or_fn is a function, it will
        be applied to the literal key, not the expression.  If
        enumerate is False, keys in this Interpreter will not be
        considered for path enumeration.
        """

        if not issubclass(key_type, simsym.Symbolic):
            raise TypeError("key_type must be subclass of Symbolic, not %r" %
                            simsym.strtype(key_type))
        self.__key_type = key_type

        if isinstance(iterable_or_fn, collections.Iterable):
            it = iter(iterable_or_fn)
            self.__fn = lambda x: it.next()
        else:
            self.__fn = iterable_or_fn

        if enumerate:
            self.__realm = self
        else:
            self.__realm = simsym.REALM_IGNORE

        self.__map = {}
コード例 #2
0
    def __init__(self, key_type, iterable_or_fn, enumerate=True):
        """Initialize an empty Interpreter.

        key_type must be a Symbolic subclass.  iterable_or_fn must be
        as for DynamicDict.  If iterable_or_fn is a function, it will
        be applied to the literal key, not the expression.  If
        enumerate is False, keys in this Interpreter will not be
        considered for path enumeration.
        """

        if not issubclass(key_type, simsym.Symbolic):
            raise TypeError("key_type must be subclass of Symbolic, not %r" %
                            simsym.strtype(key_type))
        self.__key_type = key_type

        if isinstance(iterable_or_fn, collections.Iterable):
            it = iter(iterable_or_fn)
            self.__fn = lambda x: it.next()
        else:
            self.__fn = iterable_or_fn

        if enumerate:
            self.__realm = self
        else:
            self.__realm = simsym.REALM_IGNORE

        self.__map = {}
コード例 #3
0
def model_unwrap(e):
    if isinstance(e, z3.FuncDeclRef):
        return e.name()
    if isinstance(e, z3.IntNumRef):
        return int(e.as_long())
    if isinstance(e, z3.FuncInterp):
        return [model_unwrap(x) for x in e.as_list()]
    if isinstance(e, z3.BoolRef):
        return (str(e) == 'True')
    if isinstance(e, list):
        return [model_unwrap(x) for x in e]
    raise Exception('%s: unknown value type %s' % (e, simsym.strtype(e)))
コード例 #4
0
ファイル: testgen.py プロジェクト: albertyang33/commuter
    def __getitem__(self, key):
        if not isinstance(key, self.__key_type):
            raise TypeError("key must be %r instance, not %r" %
                            (self.__key_type.__name__, simsym.strtype(key)))
        if _is_literal(simsym.unwrap(key)):
            raise ValueError("key must be non-literal, not %r" % key)

        lit = key.eval(self.__realm)
        hlit = z3util.HashableAst(lit)

        if hlit not in self.__map:
            if self.__fn is None:
                raise ValueError("Interpreter has been read; cannot be extended")
            try:
                self.__map[hlit] = (key, self.__fn(lit))
            except StopIteration:
                raise ValueError("Ran out of values for %r" % key)
        return self.__map[hlit][1]
コード例 #5
0
    def __getitem__(self, key):
        if not isinstance(key, self.__key_type):
            raise TypeError("key must be %r instance, not %r" %
                            (self.__key_type.__name__, simsym.strtype(key)))
        if _is_literal(simsym.unwrap(key)):
            raise ValueError("key must be non-literal, not %r" % key)

        lit = key.eval(self.__realm)
        hlit = z3util.HashableAst(lit)

        if hlit not in self.__map:
            if self.__fn is None:
                raise ValueError(
                    "Interpreter has been read; cannot be extended")
            try:
                self.__map[hlit] = (key, self.__fn(lit))
            except StopIteration:
                raise ValueError("Ran out of values for %r" % key)
        return self.__map[hlit][1]