def vcall(self, module: 'values.Field', graph: 'graphs.Graph', inst: 'values.Object', args: 'functions.FunctionArgInput',
              option: 'vevaluator.VEvalContext' = None, line=-1):
        funcArgs = self.args.merge_inputs(inst, args)

        if inst.in_container:
            raise Exception('Invalid operation')

        key_hashes = inst.get_value().internal_keys.keys()
        attributes = inst.get_value().internal_values
        vargs = []
        vargs_ref = []
        for hash in key_hashes:
            varg = attributes.get_attribute(hash)
            if varg.has_obj():
                vargs.append(utils.try_get_obj(varg, 'dict_values', utils.LineProperty()).get_value())
                vargs_ref.append(utils.try_get_obj(varg, 'dict_values', utils.LineProperty()))
            else:
                assert(False)

        node = nodes.NodeGenerate('List', vargs , line)
        graph.add_node(node)

        value = values.ListValue(vargs_ref)
        value.name = '@F.{}.{}'.format(line, self.name)
        node.set_outputs([value])
        return value
Example #2
0
def veval_ast_call(astc: 'AstContext', local_field: 'values.Field',
                   graph: 'Graph') -> 'Attribute':
    assert (isinstance(astc.nast, gast.gast.Call))
    lineprop = utils.LineProperty(astc.lineno, astc.filename)

    func = veval_ast(astc.c(astc.nast.func), local_field, graph)
    if func == None or not func.has_obj():
        utils.print_warning(
            'Unknown function "{}" is called'.format(
                get_ast_name_forcibly(astc.nast.func)), lineprop)
        return None

    func_obj = try_get_ref(func, 'call', lineprop)
    func_value = try_get_value(func, 'call', lineprop)

    finput = functions.FunctionArgInput()

    for arg in astc.nast.args:
        arg_ = veval_ast(astc.c(arg), local_field, graph)
        finput.inputs.append(try_get_ref(arg_, 'call', lineprop))

    for keyword in astc.nast.keywords:
        arg_ = veval_ast(astc.c(keyword.value), local_field, graph)
        finput.keywords[keyword.arg] = try_get_ref(arg_, 'call', lineprop)

    lineprop = utils.LineProperty(astc.lineno, astc.filename)

    # check arguments
    for o in finput.inputs:
        if o is None:
            utils.print_warning(
                'Invalid arguments exists in "{}"'.format(
                    get_ast_name_forcibly(astc.nast.func)), lineprop)
            return None

    ret = None
    if isinstance(func_value, values.FuncValue):
        ret = func_value.func.vcall(func_value.module, graph, func_value.obj,
                                    finput, lineprop)
        return ret

    elif isinstance(func_value, values.Instance):
        # __call__
        call_func_ref = func_obj.try_get_and_store_obj('__call__',
                                                       graph.root_graph)
        if call_func_ref is not None:
            func_value = call_func_ref.get_value()
            ret = func_value.func.vcall(func_value.module, graph, func_obj,
                                        finput, lineprop)
            return ret

    if config.show_warnings:
        print('Unknown function is called in L.{}'.format(astc.lineno))
    return None
Example #3
0
def veval_ast_aug_assign(astc: 'AstContext', local_field: 'values.Field',
                         graph: 'Graph'):
    assert (isinstance(astc.nast, gast.gast.AugAssign))
    lineprop = utils.LineProperty(astc.lineno, astc.filename)

    target = veval_ast(astc.c(astc.nast.target), local_field, graph)
    value = veval_ast(astc.c(astc.nast.value), local_field, graph)

    target_value = try_get_value(target, 'aug_assign', lineprop)
    value_value = try_get_value(value, 'aug_assign', lineprop)

    binop = nodes.BinOpType.Unknown
    if isinstance(astc.nast.op, gast.Add):
        binop = nodes.BinOpType.Add
    if isinstance(astc.nast.op, gast.Sub):
        binop = nodes.BinOpType.Sub

    node_aug_assign = nodes.NodeAugAssign(target_value, value_value, binop,
                                          astc.lineno)
    graph.add_node(node_aug_assign)

    # TODO : estimate type

    new_value = functions.generate_value_with_same_type(target_value)
    node_aug_assign.set_outputs([new_value])
    target.get_ref().revise(new_value)
Example #4
0
def veval_ast_bool_op(astc: 'AstContext', local_field: 'values.Field',
                      graph: 'graphs.Graph'):
    """
    eval bool operations.
    Ex. x and y
    """
    assert (isinstance(astc.nast, gast.gast.BoolOp))
    lineprop = utils.LineProperty(astc.lineno, astc.filename)

    multiaryop = nodes.MultiaryOpType.Unknown
    if isinstance(astc.nast.op, gast.And):
        multiaryop = nodes.MultiaryOpType.And
    if isinstance(astc.nast.op, gast.Or):
        multiaryop = nodes.MultiaryOpType.Or

    values_list = [
        veval_ast(astc.c(value_), local_field, graph)
        for value_ in astc.nast.values
    ]
    values_list_value = [
        try_get_value(value_, 'multiary', lineprop) for value_ in values_list
    ]

    node = nodes.NodeMultiaryOp(values_list_value, multiaryop)

    ret_value = veval_multiary.veval(multiaryop, values_list_value)
    node.set_outputs([ret_value])
    graph.add_node(node)

    return values.ValueRef(ret_value)
Example #5
0
    def __init__(self, classinfo):
        super().__init__()

        members = inspect.getmembers(classinfo)
        init_func = [m[1] for m in members if m[0] == '__init__']
        assert(len(init_func) == 1)

        func = init_func[0]
        self.inst = func
        self.name = func.__name__
        self.filename = inspect.getfile(func)

        sourcelines = inspect.getsourcelines(func)
        if sourcelines is None or len(sourcelines) < 1:
            utils.print_warning('Failed to parase {}'.format(classinfo), utils.LineProperty())
            return

        self.lineno = sourcelines[1]
        self.classinfo = classinfo

        original_code = inspect.getsource(func)
        code = utils.clip_head(original_code)

        self.args.analyze_args(func)

        ast_ = gast.ast_to_gast(ast.parse(code)).body[0]
        self.ast = canonicalizer.Canonicalizer().visit(ast_)
Example #6
0
    def vcall(self,
              module: 'values.Field',
              graph: 'graphs.Graph',
              inst: 'values.Object',
              args: 'FunctionArgInput',
              context: 'VEvalContext' = None,
              line=-1):
        self.func_field.set_module(module)

        # add args
        funcArgs = self.args.merge_inputs(inst, args)

        for k, v in funcArgs.keywords.items():
            self.func_field.get_field().get_attribute(
                k, from_module=False).revise(
                    utils.try_get_obj(v, self.name, utils.LineProperty()))

        astc = vevaluator.AstContext(self.ast.body,
                                     self.lineno - 1,
                                     filename=self.filename)
        ret = vevaluator.veval_ast(astc, self.func_field, graph)

        # dispose because of exit from function
        self.func_field.dispose()

        return ret
Example #7
0
def veval_ast_unary_op(astc: 'AstContext', local_field: 'values.Field',
                       graph: 'graphs.Graph'):
    """
    eval unary operation.
    Ex. -xx
    """
    assert (isinstance(astc.nast, gast.gast.UnaryOp))
    lineprop = utils.LineProperty(astc.lineno, astc.filename)

    unaryop = nodes.UnaryOpType.Unknown
    if isinstance(astc.nast.op, gast.UAdd):
        unaryop = nodes.UnaryOpType.UAdd
    if isinstance(astc.nast.op, gast.USub):
        unaryop = nodes.UnaryOpType.USub
    if isinstance(astc.nast.op, gast.Not):
        unaryop = nodes.UnaryOpType.Not

    operand = veval_ast(astc.c(astc.nast.operand), local_field, graph)
    operand_value = try_get_value(operand, 'unary', lineprop)

    node = nodes.NodeUnaryOp(operand_value, unaryop)

    ret_value = veval_unary.veval(unaryop, operand_value)

    node.set_outputs([ret_value])
    graph.add_node(node)

    return values.ValueRef(ret_value)
Example #8
0
    def vcall(self,
              module: 'values.Field',
              graph: 'graphs.Graph',
              inst: 'values.Object',
              args: 'functions.FunctionArgInput',
              context: 'functions.VEvalContext' = None,
              line=-1):
        func_args = self.args.merge_inputs(inst, args)
        name = func_args.get_value().get_value(key='name')
        obj = func_args.keywords['object']

        attr = obj.get_field().get_attribute(name.internal_value,
                                             graph.root_graph, False)

        # property(getter)
        if attr.has_obj() and isinstance(attr.get_obj().get_value(
        ), values.FuncValue) and attr.get_obj().get_value().func.is_property:
            func_value = attr.get_obj().get_value()
            ret = func_value.func.vcall(func_value.module, graph,
                                        func_value.obj,
                                        functions.FunctionArgInput(), context,
                                        utils.LineProperty(line))
            return ret

        if attr.has_obj():
            return attr

        # if attr is not found
        gotten_obj = obj.try_get_and_store_obj(name.internal_value,
                                               graph.root_graph)
        if gotten_obj is not None:
            return obj.get_field().get_attribute(name.internal_value,
                                                 graph.root_graph, False)

        return None
Example #9
0
    def vcall(self,
              module: 'values.Field',
              graph: 'graphs.Graph',
              inst: 'values.Object',
              args: 'functions.FunctionArgInput',
              context: 'functions.VEvalContext' = None,
              line=-1):
        assert (inst is None)

        funcArgs = self.args.merge_inputs(inst, args)
        vargs = funcArgs.get_value().inputs
        value = values.ListValue()

        if isinstance(vargs[0], values.NoneValue):
            node = nodes.NodeGenerate('List', [], line)
            graph.add_node(node)
        else:
            node = nodes.NodeConvert('List', vargs[0], line)
            graph.add_node(node)

            if vargs[0].has_constant_value():
                refs = []
                for attr_or_ref in vargs[0].internal_value:
                    refs.append(
                        utils.try_get_obj(attr_or_ref, 'list',
                                          utils.LineProperty()))

                value.internal_value = refs

        value.name = '@F.{}.{}'.format(line, self.name)
        node.set_outputs([value])
        return values.Object(value)
Example #10
0
 def vcall(self,
           module: 'values.Field',
           graph: 'graphs.Graph',
           inst: 'values.Object',
           args: 'FunctionArgInput',
           context: 'VEvalContext' = None,
           line=-1):
     raise utils.UnimplementedError(
         '{} is unimplemented.'.format(self.name), utils.LineProperty(line))
Example #11
0
def veval_ast_assign(astc: 'AstContext', local_field: 'values.Field',
                     graph: 'Graph'):
    assert (isinstance(astc.nast, gast.gast.Assign))
    lineprop = utils.LineProperty(astc.lineno, astc.filename)

    value = veval_ast(astc.c(astc.nast.value), local_field, graph)
    value_obj = try_get_ref(value, 'assign', lineprop)

    if value is None:
        if config.show_warnings:
            print(
                'It is possible that assiging value is invalid in L.{}'.format(
                    astc.lineno))
        return None

    target_option = VEvalOption()
    target_option.eval_as_written_target = True
    targets = veval_ast(astc.c(astc.nast.targets[0]), local_field, graph,
                        target_option)

    def return_value_or_ref(obj: 'value.Object'):
        if isinstance(obj.get_value(), values.NumberValue):
            return values.ValueRef(obj.get_value())

        if isinstance(obj.get_value(), values.StrValue):
            return values.ValueRef(obj.get_value())

        if isinstance(obj.get_value(), values.BoolValue):
            return values.ValueRef(obj.get_value())

        if isinstance(obj.get_value(), values.NoneValue):
            return values.ValueRef(obj.get_value())

        if isinstance(obj.get_value(), values.TupleValue):
            return values.ValueRef(obj.get_value())

        return obj

    if isinstance(targets, list):
        # ex. a,b = (1,2)
        if not isinstance(value_obj.get_value(), values.TupleValue):
            # TODO fix it
            assert (False)  # not supported

        for i in range(len(targets)):
            node_assign = nodes.NodeAssign(
                targets[i],
                value_obj.get_value().get_constant_value()[i], astc.lineno)
            targets[i].revise(
                try_get_ref(value_obj.get_value().get_constant_value()[i],
                            'assign', lineprop))
            graph.add_node(node_assign)
    else:
        assigned_obj = return_value_or_ref(value_obj)
        node_assign = nodes.NodeAssign(targets, assigned_obj, astc.lineno)
        targets.revise(assigned_obj)
        graph.add_node(node_assign)
Example #12
0
def veval_ast_attribute(astc: 'AstContext',
                        local_field: 'values.Field',
                        graph: 'Graph',
                        option: 'VEvalOption' = None) -> 'Attribute':
    assert (isinstance(astc.nast, gast.gast.Attribute))
    lineprop = utils.LineProperty(astc.lineno, astc.filename)

    from_module = True
    if option is not None and option.eval_as_written_target:
        from_module = False

    value = veval_ast(astc.c(astc.nast.value), local_field, graph)
    value_ref = try_get_ref(value, 'attribute', lineprop)

    if (value_ref is None):
        utils.print_warning(
            'Unknown or disabled attribute "{}" is accessed'.format(
                get_ast_name_forcibly(astc.nast.value)), lineprop)
        return None

    attr = value_ref.get_field().get_attribute(astc.nast.attr,
                                               graph.root_graph, from_module)

    # property(getter)
    if attr.has_obj() and isinstance(
            attr.get_ref().get_value(),
            values.FuncValue) and attr.get_ref().get_value().func.is_property:
        func_value = attr.get_ref().get_value()
        ret = func_value.func.vcall(func_value.module, graph, func_value.obj,
                                    functions.FunctionArgInput(), lineprop)
        return ret

    if attr.has_obj():
        return attr

    # if attr is not found
    gotten_obj = value_ref.try_get_and_store_obj(astc.nast.attr,
                                                 graph.root_graph)
    if gotten_obj is not None:
        return value_ref.get_field().get_attribute(astc.nast.attr,
                                                   graph.root_graph,
                                                   from_module)

    if option is not None and option.eval_as_written_target:
        return attr

    # value is unknown
    if value is None:
        utils.print_warning(
            'Assigning value {} is not found'.format(
                get_ast_name_forcibly(astc.nast.value)), lineprop)
    else:
        utils.print_warning(
            'Assigning value {} is not found'.format(
                get_ast_name_forcibly(astc.nast.attr)), lineprop)

    return None
Example #13
0
    def __init__(self, line):
        self.inputs = []
        self.outputs = []
        self.subgraphs = []
        self.lineprop = utils.LineProperty()

        if isinstance(line, int):
            self.lineprop.lineno = line
        else:
            self.lineprop = line

        return
Example #14
0
def veval_ast_str(astc: 'AstContext', local_field: 'values.Field',
                  graph: 'Graph'):
    '''
    Ex. "str"
    '''
    assert (isinstance(astc.nast, gast.gast.Str))
    lineprop = utils.LineProperty(astc.lineno, astc.filename)
    value = values.StrValue(astc.nast.s)
    ret = values.ValueRef(value)

    name = values.create_ref_value_name_with_constant(ret)
    ret.name = name
    ret.get_value().name = name
    return ret
Example #15
0
def veval_ast_for_unroll(astc: 'AstContext', target_name,
                         iter_: 'values.ListValue',
                         local_field: 'values.Field', graph: 'Graph'):
    '''
    for target in iter: 
        ...
    with unroll
    '''
    assert (isinstance(astc.nast, gast.gast.For))
    lineprop = utils.LineProperty(astc.lineno, astc.filename)

    for element in iter_.get_constant_value():
        local_field.get_attribute(target_name).revise(element)
        veval_ast(astc.c(astc.nast.body), local_field, graph)

    return None
Example #16
0
def veval_ast_return(astc: 'AstContext', local_field: 'values.Field',
                     graph: 'Graph') -> 'None':
    assert (isinstance(astc.nast, gast.gast.Return))
    lineprop = utils.LineProperty(astc.lineno, astc.filename)

    value = veval_ast(astc.c(astc.nast.value), local_field, graph)
    value_obj = try_get_ref(value, 'return', lineprop)
    value_value = try_get_value(value, 'return', lineprop)

    if value_value is None:
        if config.show_warnings:
            print('Returned values are not found. in L.{}'.format(astc.lineno))
        return None

    node = nodes.NodeReturn(value_value, astc.lineno)
    graph.add_node(node)
    return value_obj
Example #17
0
def veval_ast_name_constant(astc: 'AstContext', local_field: 'values.Field',
                            graph: 'Graph'):
    '''
    Ex. True
    '''
    assert (isinstance(astc.nast, gast.gast.NameConstant))
    lineprop = utils.LineProperty(astc.lineno, astc.filename)
    ret = None
    if astc.nast.value == True:
        ret = values.ValueRef(values.BoolValue(True))
    if astc.nast.value == False:
        ret = values.ValueRef(values.BoolValue(False))
    if astc.nast.value is None:
        ret = values.ValueRef(values.NoneValue())

    name = values.create_ref_value_name_with_constant(ret)
    ret.name = name
    ret.get_value().name = name
    return ret
Example #18
0
def veval_ast_compare(astc: 'AstContext', local_field: 'values.Field',
                      graph: 'Graph'):
    """
    eval Compare.
    Ex. a >= b, a != b, a is b, etc
    """
    assert (isinstance(astc.nast, gast.gast.Compare))
    lineprop = utils.LineProperty(astc.lineno, astc.filename)

    left = veval_ast(astc.c(astc.nast.left), local_field, graph)
    right = veval_ast(astc.c(astc.nast.comparators[0]), local_field, graph)

    left_value = try_get_value(left, 'compare', lineprop)
    right_value = try_get_value(right, 'compare', lineprop)

    compare = nodes.CompareType.unknown
    if isinstance(astc.nast.ops[0], gast.Eq):
        compare = nodes.CompareType.Eq
    if isinstance(astc.nast.ops[0], gast.NotEq):
        compare = nodes.CompareType.NotEq
    if isinstance(astc.nast.ops[0], gast.Is):
        compare = nodes.CompareType.Is
    if isinstance(astc.nast.ops[0], gast.IsNot):
        compare = nodes.CompareType.IsNot
    if isinstance(astc.nast.ops[0], gast.Gt):
        compare = nodes.CompareType.Gt
    if isinstance(astc.nast.ops[0], gast.GtE):
        compare = nodes.CompareType.GtE
    if isinstance(astc.nast.ops[0], gast.Lt):
        compare = nodes.CompareType.Lt
    if isinstance(astc.nast.ops[0], gast.LtE):
        compare = nodes.CompareType.LtE

    node_compare = nodes.NodeCompare(left_value, right_value, compare,
                                     astc.lineno)

    ret_value = values.BoolValue(None)
    ret_value.name = '@{}'.format(lineprop)
    node_compare.set_outputs([ret_value])
    graph.add_node(node_compare)

    return values.ValueRef(ret_value)
Example #19
0
def veval_ast_bin_op(astc: 'AstContext', local_field: 'values.Field',
                     graph: 'Graph'):
    """
    eval binary operation.
    Ex. a + b, b // c, etc
    """
    assert (isinstance(astc.nast, gast.gast.BinOp))
    lineprop = utils.LineProperty(astc.lineno, astc.filename)

    left = veval_ast(astc.c(astc.nast.left), local_field, graph)
    right = veval_ast(astc.c(astc.nast.right), local_field, graph)

    left_value = try_get_value(left, 'compare', lineprop)
    right_value = try_get_value(right, 'compare', lineprop)

    binop = nodes.BinOpType.Unknown
    if isinstance(astc.nast.op, gast.Add):
        binop = nodes.BinOpType.Add
    elif isinstance(astc.nast.op, gast.Sub):
        binop = nodes.BinOpType.Sub
    elif isinstance(astc.nast.op, gast.Mult):
        binop = nodes.BinOpType.Mul
    elif isinstance(astc.nast.op, gast.Div):
        binop = nodes.BinOpType.Div
    elif isinstance(astc.nast.op, gast.FloorDiv):
        binop = nodes.BinOpType.FloorDiv
    else:
        utils.print_warning('Unknown binary operator {}'.format(astc.nast.op),
                            lineprop)
        return None

    node_bin_op = nodes.NodeBinOp(left_value, right_value, binop, astc.lineno)

    ret_value = veval_bin.veval(binop, left_value, right_value, lineprop)

    node_bin_op.set_outputs([ret_value])
    graph.add_node(node_bin_op)

    return values.ValueRef(ret_value)
Example #20
0
def veval_ast_list(astc: 'AstContext', local_field: 'values.Field',
                   graph: 'Graph'):
    assert (isinstance(astc.nast, gast.gast.List))
    '''
    Ex. [],[x,y,z]
    TODO : Initializer
    '''
    lineprop = utils.LineProperty(astc.lineno, astc.filename)

    elts = []
    for elt in astc.nast.elts:
        elt_ = veval_ast(astc.c(elt), local_field, graph)
        elt_obj = try_get_ref(elt_, 'list', lineprop)
        elts.append(elt_obj)

    node = nodes.NodeGenerate('List', [elt.get_value() for elt in elts],
                              lineprop)
    graph.add_node(node)
    value = values.ListValue(elts)
    node.set_outputs([value])

    return values.ValueRef(value)
Example #21
0
def veval_ast_tuple(astc: 'AstContext',
                    local_field: 'values.Field',
                    graph: 'Graph',
                    option: 'VEvalOption' = None):
    assert (isinstance(astc.nast, gast.gast.Tuple))
    lineprop = utils.LineProperty(astc.lineno, astc.filename)

    if option is not None and option.eval_as_written_target:
        vs = []
        for v in astc.nast.elts:
            a_ = veval_ast(astc.c(v), local_field, graph, option=option)
            vs.append(a_)
        return vs
    else:
        vs_ref = []
        vs = []

        for v in astc.nast.elts:
            a_ = veval_ast(astc.c(v), local_field, graph, option=option)
            v_ = try_get_ref(a_, 'tuple', lineprop)

            if v_ is None:
                utils.print_warning('Unknown tuple element {}'.format(v),
                                    lineprop)
                return None

            vs_ref.append(v_)
            vs.append(v_.get_value())
            v_.in_container = True

        tuple_value = values.TupleValue(vs_ref)

        node = nodes.NodeGenerate('Tuple', vs, line=lineprop)
        node.set_outputs([tuple_value])
        graph.add_node(node)

        return values.ValueRef(tuple_value)
Example #22
0
def veval_ast_listcomp(astc: 'AstContext', local_field: 'values.Field',
                       graph: 'Graph'):
    '''
    Ex. [x for x in xx]
    [elt for target in iter]
    '''
    assert (isinstance(astc.nast, gast.gast.ListComp))
    lineprop = utils.LineProperty(astc.lineno, astc.filename)

    listcomp_guid = str(utils.get_guid())
    listcomp_id = 'listcomp_' + listcomp_guid
    body_id = 'listcomp_body_' + listcomp_guid
    internal_counter_id = '@internal/listcomp_counter_' + listcomp_guid
    internal_list_id = '@internal/listcomp_list_' + listcomp_guid
    internal_cond_id = '@internal/listcomp_cond_' + listcomp_guid

    generator = astc.nast.generators[0]
    iter_value = try_get_value(
        veval_ast(astc.c(generator.iter), local_field, graph), 'generator',
        lineprop)
    list_value = values.ListValue()
    list_obj = values.ValueRef(list_value)

    node_generate_list = nodes.NodeGenerate('List', [], lineprop)
    node_generate_list.set_outputs([list_value])
    graph.add_node(node_generate_list)

    # body
    target_name = ''
    if isinstance(generator.target, gast.gast.Name):
        target_name = generator.target.id
    else:
        if config.show_warnings:
            print('This for is not supported. in L.{}'.format(astc.lineno))
        return None

    counter_value = values.NumberValue(None)
    counter_value.dtype = np.array(0).dtype
    counter_value.name = internal_counter_id

    cond_value = values.BoolValue(None)
    cond_value.name = internal_cond_id

    # set values with internal name
    local_field.get_attribute(internal_list_id).revise(list_obj)

    values.push_history(listcomp_id)

    body_graph = Graph()
    body_graph.root_graph = graph.root_graph
    body_graph.name = 'Body_' + listcomp_guid

    node_forgen = nodes.NodeForGenerator(counter_value, iter_value)

    target_ref = iter_value.get_iterator()
    if target_ref is None:
        target_ref = values.ValueRef(values.UnknownValue())
        if config.show_warnings:
            print('unknown iteratable type in L.{}'.format(lineprop))
    target_value = target_ref.get_value()

    node_forgen.set_outputs([target_ref.get_value()])
    local_field.get_attribute(target_name).revise(target_ref)

    body_graph.add_node(node_forgen)

    elt = veval_ast(astc.c(astc.nast.elt), local_field, body_graph)
    elt_obj = try_get_ref(elt, 'listcomp', lineprop)

    finput = functions.FunctionArgInput()
    finput.inputs.append(elt_obj)

    append_value = local_field.get_attribute(internal_list_id).get_ref(
    ).get_field().get_attribute('append').get_ref().get_value()
    append_value.func.vcall(
        None, body_graph,
        local_field.get_attribute(internal_list_id).get_ref(), finput,
        lineprop)

    value_inputs = values.get_inputs()
    value_outputs = values.get_outputs()

    values.pop_history()

    inputs = []
    outputs = []

    # default input for subgraph's input
    body_graph.add_input_value(counter_value)
    body_graph.add_input_value(cond_value)
    body_graph.add_input_value(iter_value)

    # default output for subgraph's output
    body_graph.add_output_value(cond_value)
    body_graph.add_output_value(iter_value)

    # default output
    outputs.append(functions.generate_value_with_same_type(iter_value))

    # generate pairs
    value_pairs = {}
    for v in value_inputs:
        key = str(v.field.id) + '_' + v.name
        if not (key in value_pairs.keys()):
            value_pairs[key] = {}

        value_pairs[key]['field'] = v.field
        value_pairs[key]['name'] = v.name
        value_pairs[key]['input_value'] = v.input_value
        value_pairs[key]['input_body_value'] = v.value

    for v in value_outputs:
        key = str(v.field.id) + '_' + v.name
        if not (key in value_pairs.keys()):
            value_pairs[key] = {}

        value_pairs[key]['field'] = v.field
        value_pairs[key]['name'] = v.name
        value_pairs[key]['output_body_value'] = v.value
        value_pairs[key]['output_obj'] = v.obj

    # remove iterator
    removed_name = str(local_field.id) + '_' + target_value.name
    del value_pairs[removed_name]

    for k, v in value_pairs.items():
        name = v['name']
        field = v['field']

        if 'input_body_value' in v:
            inputs.append(v['input_value'])
            body_graph.add_input_value(v['input_body_value'])

        else:
            temp_value1 = functions.generate_value_with_same_type(
                v['output_body_value'])
            temp_value2 = functions.generate_value_with_same_type(
                v['output_body_value'])
            inputs.append(temp_value1)
            body_graph.add_input_value(temp_value2)

        if 'output_body_value' in v:
            body_graph.add_output_value(v['output_body_value'])
            output_value = functions.generate_value_with_same_type(
                v['output_body_value'])
            outputs.append(output_value)
            if 'output_obj' in v:
                obj = v['output_obj']
                obj.revise(output_value)
                field.get_attribute(name).revise(obj)
            elif field.get_attribute(name).has_obj():
                field.get_attribute(name).get_ref().revise(output_value)
            else:
                field.get_attribute(name).revise(values.ValueRef(output_value))
        else:
            temp_value1 = v['input_body_value']
            temp_value2 = functions.generate_value_with_same_type(
                v['input_body_value'])
            body_graph.add_output_value(temp_value1)
            outputs.append(temp_value2)

    node = nodes.NodeListcomp(iter_value, inputs, body_graph, astc.lineno)
    node.set_outputs(outputs)

    graph.add_node(node)

    return local_field.get_attribute(internal_list_id).get_ref()
Example #23
0
def veval_ast_subscript(astc: 'AstContext', local_field: 'values.Field',
                        graph: 'Graph'):
    '''
    Ex. x[1], x[y,z]
    '''
    assert (isinstance(astc.nast, gast.gast.Subscript))
    lineprop = utils.LineProperty(astc.lineno, astc.filename)

    def veval_with_default(nast, default_value):
        if nast is None:
            ret = values.NumberValue(default_value)
            ret.name = '@SliceDefault'
            return ret
        obj = veval_ast(astc.c(nast), local_field, graph)
        return try_get_value(obj, 'subscript', lineprop)

    def get_slice_indices(slice):
        if slice.lower is None and slice.upper is None and slice.step is None:
            return []
        indices = [
            veval_with_default(slice.lower, 0),
            veval_with_default(slice.upper, utils.slice_int_max)
        ]
        if slice.step is not None:
            indices.append(veval_with_default(slice.step, 1))
        return indices

    value = veval_ast(astc.c(astc.nast.value), local_field, graph)
    value_value = try_get_value(value, 'subscript', lineprop)

    if isinstance(astc.nast.slice, gast.gast.Index):
        slice_ = veval_ast(astc.c(astc.nast.slice.value), local_field, graph)
        slice_value = try_get_value(slice_, 'subscript', lineprop)

        if isinstance(slice_value, values.TupleValue):
            # ex. x[1,2]
            if slice_value.has_constant_value():
                values_ = [
                    try_get_value(x, 'subscript', lineprop)
                    for x in slice_value.get_constant_value()
                ]
                node = nodes.NodeGetItem(value_value, values_, line=lineprop)
            else:
                if config.show_warnings:
                    print('This subscript is not supported. in L.{}'.format(
                        astc.lineno))
                node = nodes.NodeInvalid(line=lineprop)
        else:
            # ex. x[1]
            node = nodes.NodeGetItem(value_value, [slice_value])

        if isinstance(value_value,
                      values.ListValue) and value_value.vtype != None:
            ret_value = value_value.vtype()
            ret_value.dtype = value_value.dtype
        elif isinstance(value_value,
                        values.TupleValue) and value_value.vtype != None:
            ret_value = value_value.vtype()
            ret_value.dtype = value_value.dtype
        else:
            ret_value = values.UnknownValue()

        node.set_outputs([ret_value])
        graph.add_node(node)
        return values.ValueRef(ret_value)

    elif isinstance(astc.nast.slice, gast.gast.Slice):

        indices = get_slice_indices(astc.nast.slice)

        node = nodes.NodeSlice(value_value, indices, [len(indices)])
        ret_value = functions.generate_value_with_same_type(value_value)
        node.set_outputs([ret_value])
        graph.add_node(node)
        return values.ValueRef(ret_value)

    elif isinstance(astc.nast.slice, gast.gast.ExtSlice):
        indices = []
        slice_specs = []
        for dim in astc.nast.slice.dims:
            if isinstance(dim, gast.gast.Index):
                indices.append(
                    try_get_value(
                        veval_ast(astc.c(dim.value), local_field, graph),
                        'subscript', lineprop))
                slice_specs.append(1)
            elif isinstance(dim, gast.gast.Slice):
                ni = get_slice_indices(dim)
                indices.extend(ni)
                slice_specs.append(len(ni))
            else:
                assert False, 'Unknown slice: %s in %s' % (dim, nast.slice)

        node = nodes.NodeSlice(value_value, indices, slice_specs)
        ret_value = functions.generate_value_with_same_type(value_value)
        node.set_outputs([ret_value])
        graph.add_node(node)
        return values.ValueRef(ret_value)

    return None
Example #24
0
def veval_ast_if(astc: 'AstContext', local_field: 'values.Field',
                 graph: 'Graph'):
    assert (isinstance(astc.nast, gast.gast.If))
    lineprop = utils.LineProperty(astc.lineno, astc.filename)

    # if condition
    test = veval_ast(astc.c(astc.nast.test), local_field, graph)
    test_value = try_get_value(test, 'if', lineprop)

    id_str = str(utils.get_guid())
    if_id = 'if_' + id_str
    true_id = 'true_' + id_str
    false_id = 'false_' + id_str

    # True
    values.push_history(true_id)

    true_graph = Graph()
    true_graph.root_graph = graph.root_graph
    true_graph.name = 'True'
    true_body = veval_ast(astc.c(astc.nast.body), local_field, true_graph)

    true_value_inputs = values.get_inputs()
    true_value_outputs = values.get_outputs()

    values.pop_history()

    # False
    values.push_history(false_id)

    false_graph = Graph()
    false_graph.root_graph = graph.root_graph
    false_graph.name = 'False'
    false_body = veval_ast(astc.c(astc.nast.orelse), local_field, false_graph)

    false_value_inputs = values.get_inputs()
    false_value_outputs = values.get_outputs()

    values.pop_history()

    # generate pairs
    value_pairs = {}
    for v in true_value_inputs:
        key = str(v.field.id) + '_' + v.name
        if not (key in value_pairs.keys()):
            value_pairs[key] = {}

        value_pairs[key]['field'] = v.field
        value_pairs[key]['name'] = v.name
        value_pairs[key]['true_input_value'] = v.input_value
        value_pairs[key]['true_input_body_value'] = v.value
        value_pairs[key]['true_input_obj'] = v.obj

    for v in true_value_outputs:
        key = str(v.field.id) + '_' + v.name
        if not (key in value_pairs.keys()):
            value_pairs[key] = {}

        value_pairs[key]['field'] = v.field
        value_pairs[key]['name'] = v.name
        value_pairs[key]['true_output_body_value'] = v.value
        value_pairs[key]['true_output_obj'] = v.obj

    for v in false_value_inputs:
        key = str(v.field.id) + '_' + v.name
        if not (key in value_pairs.keys()):
            value_pairs[key] = {}

        value_pairs[key]['field'] = v.field
        value_pairs[key]['name'] = v.name
        value_pairs[key]['false_input_value'] = v.input_value
        value_pairs[key]['false_input_body_value'] = v.value
        value_pairs[key]['false_input_obj'] = v.obj

    for v in false_value_outputs:
        key = str(v.field.id) + '_' + v.name
        if not (key in value_pairs.keys()):
            value_pairs[key] = {}

        value_pairs[key]['field'] = v.field
        value_pairs[key]['name'] = v.name
        value_pairs[key]['false_output_body_value'] = v.value
        value_pairs[key]['false_output_obj'] = v.obj

    inputs = []
    outputs = []

    for k, v in value_pairs.items():
        name = v['name']
        field = v['field']

        input_value = None
        true_input_body_value = None
        false_input_body_value = None

        # search input value
        if 'true_input_value' in v:
            input_value = v['true_input_value']
        elif 'false_input_value' in v:
            input_value = v['false_input_value']

        if input_value is not None:
            if 'true_input_body_value' in v:
                true_input_body_value = v['true_input_body_value']
            else:
                true_input_body_value = functions.generate_value_with_same_type(
                    input_value)

            if 'false_input_body_value' in v:
                false_input_body_value = v['false_input_body_value']
            else:
                false_input_body_value = functions.generate_value_with_same_type(
                    input_value)

        true_output_body_value = None
        false_output_body_value = None
        output_value = None

        # search output value
        if 'true_output_body_value' in v:
            true_output_body_value = v['true_output_body_value']

        if 'false_output_body_value' in v:
            false_output_body_value = v['false_output_body_value']

        if true_output_body_value is not None or false_output_body_value is not None:

            if true_output_body_value is None:
                if true_input_body_value is not None:
                    # e.x. not changed
                    true_output_body_value = true_input_body_value
                else:
                    # e.x. make a value in false statement
                    true_output_body_value = functions.generate_value_with_same_type(
                        false_output_body_value, is_dummy_value=True)

            if false_output_body_value is None:
                if false_input_body_value is not None:
                    # e.x. not changed
                    false_output_body_value = false_input_body_value
                else:
                    # e.x. make a value in true statement
                    false_output_body_value = functions.generate_value_with_same_type(
                        true_output_body_value, is_dummy_value=True)

        # check types between true and false
        true_output_body_value_type = None
        false_output_body_value_type = None

        if true_output_body_value is not None and true_output_body_value.is_not_none_or_any_value(
        ):
            true_output_body_value_type = true_output_body_value

        if false_output_body_value is not None and false_output_body_value.is_not_none_or_any_value(
        ):
            false_output_body_value_type = false_output_body_value

        if true_output_body_value_type is not None and false_output_body_value_type is not None and type(
                true_output_body_value_type) != type(
                    false_output_body_value_type):
            utils.print_warning(
                'Values with differenet type were generated {} between true ande false'
                .format(k), lineprop)

        if true_output_body_value_type != None:
            output_value = functions.generate_value_with_same_type(
                true_output_body_value_type)
        elif false_output_body_value_type != None:
            output_value = functions.generate_value_with_same_type(
                false_output_body_value_type)
        elif true_output_body_value is not None:
            output_value = functions.generate_value_with_same_type(
                true_output_body_value)
        elif false_output_body_value is not None:
            output_value = functions.generate_value_with_same_type(
                false_output_body_value)

        if input_value is not None:
            inputs.append(input_value)

            true_graph.add_input_value(true_input_body_value)
            false_graph.add_input_value(false_input_body_value)

        if output_value is not None:
            outputs.append(output_value)
            true_graph.add_output_value(true_output_body_value)
            false_graph.add_output_value(false_output_body_value)

            if 'true_output_obj' in v and not 'false_output_obj' in v:
                obj = v['true_output_obj']
            elif not 'true_output_obj' in v and 'false_output_obj' in v:
                obj = v['false_output_obj']
            elif 'true_output_obj' in v and 'false_output_obj' in v:
                obj = None
            else:
                assert (False)

            if obj is not None:
                obj.revise(output_value)
                field.get_attribute(name).revise(obj)
            elif field.get_attribute(name).has_obj():
                field.get_attribute(name).get_ref().revise(output_value)
            else:
                field.get_attribute(name).revise(values.ValueRef(output_value))

    node = nodes.NodeIf(test_value, inputs, true_graph, false_graph,
                        astc.lineno)
    node.set_outputs(outputs)

    graph.add_node(node)

    return None
Example #25
0
def veval_ast_for(astc: 'AstContext', local_field: 'values.Field',
                  graph: 'Graph'):
    '''
    for target in iter:
        ...
    '''
    assert (isinstance(astc.nast, gast.gast.For))
    lineprop = utils.LineProperty(astc.lineno, astc.filename)

    # for target in iter:
    iter_ = veval_ast(astc.c(astc.nast.iter), local_field, graph)
    input_iter_value = try_get_value(iter_, 'for', lineprop)
    body_iter_value = functions.generate_value_with_same_type(
        input_iter_value, suffix_type=functions.SuffixType.Input)

    # get target name
    target_name = ''
    if isinstance(astc.nast.target, gast.gast.Name):
        target_name = astc.nast.target.id
    else:
        if config.show_warnings:
            print('This for is not supported. in L.{}'.format(astc.lineno))
        return None

    # unroll?
    if isinstance(input_iter_value,
                  values.ListValue) and input_iter_value.has_constant_value(
                  ) and input_iter_value.dtype is None:
        return veval_ast_for_unroll(astc, target_name, input_iter_value,
                                    local_field, graph)

    for_guid = utils.get_guid()
    for_id = 'for_' + str(for_guid)
    body_id = 'body_' + str(for_guid)

    values.push_history(for_id)

    # body
    body_graph = Graph()
    body_graph.root_graph = graph.root_graph
    body_graph.name = 'Body_' + str(for_guid)

    # generate a node for input
    node_input = nodes.NodeInput('input')
    body_graph.add_node(node_input)

    body_counter_value = values.NumberValue(None)
    body_counter_value.dtype = np.array(0).dtype
    body_counter_value.name = 'for_counter_' + str(for_guid)

    body_cond_value = values.BoolValue(None)
    body_cond_value.name = 'for_cond_' + str(for_guid)

    # create a node to lookup a value from sequence
    node_forgen = nodes.NodeForGenerator(body_counter_value, body_iter_value)

    # generate iterator
    target_ref = input_iter_value.get_iterator()
    if target_ref is None:
        target_ref = values.ValueRef(values.UnknownValue())
        if config.show_warnings:
            print('unknown iteratable type in L.{}'.format(astc.lineno))
    target_value = target_ref.get_value()

    node_forgen.set_outputs([target_ref.get_value()])

    target_attribute = local_field.get_attribute(target_name)
    target_attribute.revise(target_ref)
    body_graph.add_node(node_forgen)

    # veval body
    body = veval_ast(astc.c(astc.nast.body), local_field, body_graph)

    value_inputs = values.get_inputs()
    value_outputs = values.get_outputs()

    break_attribute = local_field.get_attribute('#keepgoing')
    if break_attribute.has_obj():
        break_attribute_ref = break_attribute.get_ref()
        break_attribute_value = break_attribute_ref.get_value()
    else:
        break_attribute_value = body_cond_value

    values.pop_history()

    inputs = []
    outputs = []
    node_input_outputs = []

    # default input for subgraph's input
    body_graph.add_input_value(body_counter_value)
    body_graph.add_input_value(body_cond_value)
    body_graph.add_input_value(body_iter_value)

    # default output for subgraph's output
    body_graph.add_output_value(break_attribute_value)
    body_graph.add_output_value(body_iter_value)

    # default output
    outputs.append(functions.generate_value_with_same_type(input_iter_value))

    # generate pairs
    value_pairs = {}
    for v in value_inputs:
        key = str(v.field.id) + '_' + v.name
        if not (key in value_pairs.keys()):
            value_pairs[key] = {}

        value_pairs[key]['field'] = v.field
        value_pairs[key]['name'] = v.name
        value_pairs[key]['input_value'] = v.input_value
        value_pairs[key]['input_body_value'] = v.value

    for v in value_outputs:
        key = str(v.field.id) + '_' + v.name
        if not (key in value_pairs.keys()):
            value_pairs[key] = {}

        value_pairs[key]['field'] = v.field
        value_pairs[key]['name'] = v.name
        value_pairs[key]['output_body_value'] = v.value
        value_pairs[key]['output_obj'] = v.obj

    for k, v in value_pairs.items():
        name = v['name']
        field = v['field']

        if 'input_body_value' in v:
            inputs.append(v['input_value'])

            body_graph.add_input_value(v['input_body_value'])
        else:
            temp_value1 = functions.generate_value_with_same_type(
                v['output_body_value'],
                is_dummy_value=True,
                suffix_type=functions.SuffixType.Dummy)
            temp_value2 = functions.generate_value_with_same_type(
                v['output_body_value'], suffix_type=functions.SuffixType.Dummy)
            inputs.append(temp_value1)

            body_graph.add_input_value(temp_value2)
            node_input_outputs.append(temp_value2)

        if 'output_body_value' in v:
            body_graph.add_output_value(v['output_body_value'])
            output_value = functions.generate_value_with_same_type(
                v['output_body_value'])
            outputs.append(output_value)

            if 'output_obj' in v:
                obj = v['output_obj']
                obj.revise(output_value)
                field.get_attribute(name).revise(obj)
            elif field.get_attribute(name).has_obj():
                field.get_attribute(name).get_ref().revise(output_value)
            else:
                field.get_attribute(name).revise(values.ValueRef(output_value))
        else:
            temp_value1 = v['input_body_value']
            temp_value2 = functions.generate_value_with_same_type(
                v['input_body_value'])
            body_graph.add_output_value(temp_value1)
            outputs.append(temp_value2)

    node = nodes.NodeFor(input_iter_value, inputs, body_graph, body_cond_value,
                         astc.lineno)
    node.set_outputs(outputs)
    node_input.set_outputs(node_input_outputs)

    graph.add_node(node)

    return None