def veval(op: 'nodes.UnaryOpType', value: 'values.Value'):

    if isinstance(value, values.NumberValue):
        return functions.generate_value_with_same_type(value)

    if isinstance(value, values.BoolValue):
        return functions.generate_value_with_same_type(value)

    if op == nodes.UnaryOpType.Not and isinstance(value, values.ListValue):
        return values.BoolValue(None)

    return values.Value()
def veval_ast_aug_assign(astc : 'AstContext', local_field : 'values.Field', graph : 'Graph'):
    assert(isinstance(astc.nast, gast.gast.AugAssign))

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

    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

    target_value = target.get_value()
    if isinstance(target_value, values.NumberValue):
        node_aug_assign = nodes.NodeValueAugAssign(target_value, value.get_value(), binop, astc.lineno)
        new_value = functions.generate_value_with_same_type(target_value)
        target.revise(new_value)
        node_aug_assign.set_outputs([new_value])
        graph.add_node(node_aug_assign)
        return values.NoneValue()

    else:
        node_aug_assign = nodes.NodeAugAssign(target_value, value.get_value(), binop, astc.lineno)
        target_value.modify(node_aug_assign, None)
        graph.add_node(node_aug_assign)
        return values.NoneValue()
Esempio n. 3
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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)

    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)
Esempio n. 4
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    def vcall(self, module : 'Field', graph : 'Graph', inst : 'values.Object', args = [], line = -1):
        funcArgs = self.parse_args(args)
        vargs = self.get_values(funcArgs)

        node = nodes.NodeCall(self, vargs, line)
        graph.add_node(node)
        value = functions.generate_value_with_same_type(vargs[0])
        value.name = '@F.{}.{}'.format(line, self.name)
        node.set_outputs([value])
        return values.Object(value)
Esempio n. 5
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def veval(op: 'nodes.UnaryOpType', value: 'values.Value'):

    if isinstance(value, values.NumberValue):
        if value.internal_value is not None:
            if op == nodes.UnaryOpType.UAdd:
                return values.NumberValue(value.internal_value)
            if op == nodes.UnaryOpType.USub:
                return values.NumberValue(-value.internal_value)
            else:
                return functions.generate_value_with_same_type(value)
        else:
            return functions.generate_value_with_same_type(value)

    if isinstance(value, values.BoolValue):
        return functions.generate_value_with_same_type(value)

    if op == nodes.UnaryOpType.Not and isinstance(value, values.ListValue):
        return values.BoolValue(None)

    return values.Value()
 def vcall(self,
           module: 'values.Field',
           graph: 'core.Graph',
           inst: 'Value',
           args=[],
           line=-1):
     funcArgs = self.parse_args(args)
     node = nodes.NodeCall(self, [v.value for v in funcArgs], line)
     graph.add_node(node)
     value = functions.generate_value_with_same_type(funcArgs[0].value)
     node.set_outputs([value])
     return value
Esempio n. 7
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    def vcall(self, module : 'Field', graph : 'Graph', inst : 'values.Object', args = [], line = -1):
        assert(len(args) == 1)

        node = nodes.NodeCall(self, [inst.get_value()] + [v.obj.get_value() for v in args], line)

        old_v = inst.get_value()
        new_v = functions.generate_value_with_same_type(old_v)
        inst.revise(new_v)

        new_v.name = '@F.{}.{}'.format(line, self.name)
        node.set_outputs([new_v])

        graph.add_node(node)
        return values.NoneValue()
    def vcall(self, module: 'Field', graph: 'Graph', inst: 'values.ValueRef', args: 'functions.FunctionArgInput', line=-1):
        funcArgs = self.args.merge_inputs(inst, args)

        node = nodes.NodeCall(self, funcArgs, line)

        old_v = inst.get_value()
        new_v = functions.generate_value_with_same_type(old_v)
        inst.revise(new_v)

        new_v.name = '@F.{}.{}'.format(line, self.name)
        node.set_outputs([new_v])

        graph.add_node(node)
        return values.NoneValue()
Esempio n. 9
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def veval(op: 'nodes.BinOpType', left: 'values.Value', right: 'values.Value'):

    if isinstance(left, values.NumberValue) and isinstance(
            right, values.NumberValue):
        return functions.generate_value_with_same_type(left)

    if isinstance(left, values.ListValue) and isinstance(
            right, values.ListValue):
        return functions.generate_value_with_same_type(left)

    if isinstance(left, values.TupleValue) and isinstance(
            right, values.TupleValue):
        return functions.generate_value_with_same_type(left)

    # for .shape
    if isinstance(left, values.ListValue) and isinstance(
            right, values.TupleValue):
        return functions.generate_value_with_same_type(left)

    if isinstance(left, values.TensorValue) and isinstance(
            right, values.TensorValue):
        return functions.generate_value_with_same_type(left)

    return values.Value()
    def vcall(self,
              module: 'Field',
              graph: 'Graph',
              inst: 'values.ValueRef',
              args: 'functions.FunctionArgInput',
              line=-1):
        assert (inst is None)

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

        node = nodes.NodeCall(self, funcArgs, line)
        graph.add_node(node)
        value = functions.generate_value_with_same_type(vargs[0])
        value.name = '@F.{}.{}'.format(line, self.name)
        node.set_outputs([value])
        return values.ValueRef(value)
Esempio n. 11
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def veval_ast_if(astc: 'AstContext', local_field: 'values.Field',
                 graph: 'Graph'):
    assert (isinstance(astc.nast, gast.gast.If))
    lineprop = utils.LineProperty(astc.lineno)

    # 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'
    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'
    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

    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

    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

    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

    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

        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

        if 'true_output_body_value' in v:
            true_output_body_value = v['true_output_body_value']
        else:
            true_output_body_value = true_input_body_value

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

        # TODO check types between true and false

        if true_output_body_value is not None or false_output_body_value is not None:
            output_value = functions.generate_value_with_same_type(
                true_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 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
Esempio n. 12
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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)

    # for target in iter:
    iter_ = veval_ast(astc.c(astc.nast.iter), local_field, graph)

    # 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

    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.name = 'Body_' + str(for_guid)

    counter_value = values.NumberValue(0)
    counter_value.name = 'for_counter_' + str(for_guid)

    cond_value = values.BoolValue(True)
    cond_value.name = 'for_cond_' + str(for_guid)

    iter_value = try_get_value(iter_, 'for', lineprop)

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

    # estimate type
    # TODO : more types
    if isinstance(iter_value, values.RangeValue):
        target_value = values.NumberValue(None)
        target_value.dtype = np.array(0).dtype
    else:
        target_value = values.Value()

    target_obj = values.Object(target_value)
    node_forgen.set_outputs([target_value])

    target_attribute = local_field.get_attribute(target_name)
    target_attribute.revise(target_obj)
    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()

    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

    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 field.get_attribute(name).has_obj():
                field.get_attribute(name).get_obj().revise(output_value)
            else:
                field.get_attribute(name).revise(values.Object(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(iter_value, inputs, body_graph, astc.lineno)
    node.set_outputs(outputs)

    graph.add_node(node)

    return None
Esempio n. 13
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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)

    listcomp_guid = str(utils.get_guid())
    listcomp_id = 'listcomp_' + listcomp_guid
    body_id = 'listcomp_body_' + listcomp_guid
    internal_iter_id = '@internal/iter_' + 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.Object(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(0)
    counter_value.name = 'listcomp_counter_' + listcomp_guid

    cond_value = values.BoolValue(True)
    cond_value.name = 'listcomp_cond_' + listcomp_guid

    body_field = values.Field()
    body_field.set_module(local_field.module)
    body_field.set_parent(local_field)

    # set iter with internal name
    body_field.get_attribute(internal_iter_id).revise(list_obj)

    values.commit(listcomp_id)

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

    node_forgen = nodes.NodeForGenerator(counter_value, iter_value)
    target_value = values.Value()
    target_obj = values.Object(target_value)
    node_forgen.set_outputs([target_value])

    body_field.get_attribute(target_name).revise(target_obj)

    body_graph.add_node(node_forgen)

    elt = veval_ast(astc.c(astc.nast.elt), body_field, body_graph)
    elt_obj = try_get_obj(elt, 'listcomp', lineprop)

    farg = functions.FunctionArg()
    farg.name = ''
    farg.obj = elt_obj
    append_value = list_obj.get_field().get_attribute(
        'append').get_obj().get_value()
    append_value.func.vcall(local_field.module, body_graph, list_obj, [farg],
                            lineprop)

    values.commit(body_id)

    body_input_attributes = get_input_attritubtes(
        body_field, listcomp_id, body_id) + get_input_attritubtes(
            local_field, listcomp_id, body_id)
    body_output_attributes = get_output_attritubtes(
        body_field, listcomp_id, body_id) + get_output_attritubtes(
            local_field, listcomp_id, body_id)
    body_input_attributes = filter_attributes(body_input_attributes)
    body_output_attributes = filter_attributes(body_output_attributes)

    # get objects whose values are changed
    value_changed_objs = get_output_objs(body_field, listcomp_id,
                                         body_id) + get_output_objs(
                                             local_field, listcomp_id, body_id)

    changed_values = {}

    for obj in value_changed_objs:
        in_value = obj.get_value_log(listcomp_id)
        out_value = obj.get_value_log(body_id)
        changed_values[in_value] = (obj, out_value)

    output_attributes_2_values = {}

    for attribute in body_output_attributes:
        output_attributes_2_values[attribute] = attribute.get_obj().get_value()

    # get inputs
    values.checkout(listcomp_id)

    input_attributes_2_values = {}

    for attribute in body_input_attributes:
        input_attributes_2_values[attribute] = attribute.get_obj().get_value()

    # Exports
    values.checkout(listcomp_id)

    # generate attribute pairs
    name2attributes = {}

    for attribute in body_input_attributes:
        key = str(attribute.parent.id) + '_' + attribute.name

        if key in name2attributes.keys():
            name2attributes[key][0] = attribute
        else:
            name2attributes[key] = [attribute, None]

    for attribute in body_output_attributes:
        key = str(attribute.parent.id) + '_' + attribute.name

        if key in name2attributes.keys():
            name2attributes[key][1] = attribute
        else:
            name2attributes[key] = [None, attribute]

    # remove defaule values
    name_removing = []
    defaule_values = [counter_value, cond_value, iter_value]
    for k, v in name2attributes.items():
        if v[0] is not None and input_attributes_2_values[
                v[0]] in defaule_values:
            name_removing.append(k)

        if v[1] is not None and output_attributes_2_values[
                v[1]] in defaule_values:
            name_removing.append(k)

    for nr in name_removing:
        if nr in name2attributes.keys():
            name2attributes.pop(nr)

    #
    inputs = []
    outputs = []
    non_volatiles = []

    # 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 subgrap'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))

    for attributes in name2attributes.values():
        name = ''
        parent = None
        input_value = None
        output_value = None

        if attributes[0] is not None:
            name = attributes[0].name
            parent = attributes[0].parent

        if attributes[1] is not None:
            name = attributes[1].name
            parent = attributes[1].parent

        if attributes[0] is not None:
            input_value = input_attributes_2_values[attributes[0]]
        else:
            # value with same type
            input_value = functions.generate_value_with_same_type(
                output_attributes_2_values[attributes[1]])

        if attributes[1] is not None:
            output_value = output_attributes_2_values[attributes[1]]
        else:
            if input_attributes_2_values[
                    attributes[0]] in changed_values.keys():
                # change only values
                output_value = changed_values[input_attributes_2_values[
                    attributes[0]]]
            else:
                # copy value
                output_value = input_attributes_2_values[attributes[0]]

        output_value_in_node = functions.generate_value_with_same_type(
            output_value)

        inputs.append(input_value)
        outputs.append(output_value_in_node)
        body_graph.add_input_value(input_value)
        body_graph.add_output_value(output_value)

        if attributes[1] is not None and attributes[1].is_non_volatile:
            non_volatiles.append(
                (attribute[1].initial_obj.get_value(), output_value_in_node))

        output_obj_in_node = values.Object(output_value_in_node)
        parent.get_attribute(name).revise(output_obj_in_node)

    for changed_value_in, changed_obj_value_out in changed_values.items():
        if changed_value_in is None:
            continue
        if changed_value_in in inputs:
            continue
        inputs.append(changed_value_in)
        body_graph.add_input_value(changed_value_in)
        body_graph.add_output_value(changed_obj_value_out[1])
        value = functions.generate_value_with_same_type(
            changed_obj_value_out[1])
        changed_obj_value_out[0].revise(value)
        outputs.append(value)

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

    graph.add_node(node)

    # add non-volatiles
    for tv, v in non_volatiles:
        node_nv = nodes.NodeNonVolatileAssign(tv, v)
        graph.add_node(node_nv)

    if body_field.get_attribute(internal_iter_id).has_obj():
        return body_field.get_attribute(internal_iter_id).get_obj()
    else:
        return list_obj
Esempio n. 14
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def veval_ast_for(astc: 'AstContext', local_field: 'values.Field',
                  graph: 'Graph'):
    '''
    for target in iter:
        ...
    '''
    assert (isinstance(astc.nast, gast.gast.For))

    # for target in iter:
    iter_ = veval_ast(astc.c(astc.nast.iter), local_field, graph)

    # 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

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

    # Body
    body_graph = Graph()
    body_graph.name = 'Body'

    counter_value = values.NumberValue(0)
    counter_value.name = 'for_counter'

    cond_value = values.BoolValue(True)
    cond_value.name = 'for_cond'

    iter_value = iter_.get_value()

    node_forgen = nodes.NodeForGenerator(counter_value, iter_value)
    target_value = values.Value()
    node_forgen.set_outputs([target_value])

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

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

    values.commit(body_id)

    body_output_attributes = get_input_attritubtes(local_field, for_id,
                                                   body_id)
    body_intput_attributes = get_output_attritubtes(local_field, for_id,
                                                    body_id)

    input_attributes_2_values = {}

    for attribute in body_intput_attributes:
        input_attributes_2_values[attribute] = attribute.get_value()

    output_attributes_2_values = {}

    for attribute in body_output_attributes:
        output_attributes_2_values[attribute] = attribute.get_value()

    # Exports
    values.checkout(for_id)

    input_attributes = set(body_intput_attributes)
    inputs = [i.get_value() for i in input_attributes if i.has_value()]

    output_attributes = body_output_attributes
    output_attributes.remove(target_attribute)
    output_attributes = [target_attribute] + output_attributes
    outputs = []

    non_volatiles = []

    # default output
    body_graph.add_output_value(cond_value)
    body_graph.add_output_value(iter_value)

    for attribute in output_attributes:
        name = attribute.name
        body_graph.add_output_value(output_attributes_2_values[attribute])
        value = functions.generate_value_with_same_type(
            output_attributes_2_values[attribute])
        outputs.append(value)

        if attribute.is_non_volatile:
            non_volatiles.append((attribute.initial_value, value))

        attribute.parent.get_attribute(name).revise(value)

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

    inputs.remove(counter_value)
    inputs.remove(cond_value)
    inputs.remove(iter_value)
    '''

    for input in inputs:
        body_graph.add_input_value(input)

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

    graph.add_node(node)

    # add non-volatiles
    for tv, v in non_volatiles:
        node_nv = nodes.NodeNonVolatileAssign(tv, v)
        graph.add_node(node_nv)

    return None
Esempio n. 15
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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)

    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(astc.lineno))
    target_value = target_ref.get_value()

    node_forgen.set_outputs([target_ref.get_value()])
    local_field.get_attribute(target_name,
                              from_module=False).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(
        local_field.module, 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

    # 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 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()
def veval_ast_for(astc : 'AstContext', local_field : 'values.Field', graph : 'Graph'):
    '''
    for target in iter:
        ...
    '''
    assert(isinstance(astc.nast, gast.gast.For))

    # for target in iter:
    iter_ = veval_ast(astc.c(astc.nast.iter), local_field, graph)

    # 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

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

    # Body
    body_graph = Graph()
    body_graph.name = 'Body'

    counter_value = values.NumberValue(0)
    counter_value.name = 'for_counter'

    cond_value = values.BoolValue(True)
    cond_value.name = 'for_cond'

    iter_value = iter_.get_value()

    # node to lookup a value from sequence
    node_forgen = nodes.NodeForGenerator(counter_value, iter_value)
    target_value = values.Value()
    node_forgen.set_outputs([target_value])

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

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

    values.commit(body_id)

    body_input_attributes = get_input_attritubtes(local_field, for_id, body_id)
    body_output_attributes = get_output_attritubtes(local_field, for_id, body_id)

    input_attributes_2_values = {}

    for attribute in body_input_attributes:
        input_attributes_2_values[attribute] = attribute.get_value()

    output_attributes_2_values = {}

    for attribute in body_output_attributes:
        output_attributes_2_values[attribute] = attribute.get_value()

    # Exports
    values.checkout(for_id)

    # generate attribute pairs
    name2attributes = {}

    for attribute in body_input_attributes:
        key = str(attribute.parent.id) + '_' + attribute.name

        if key in name2attributes.keys():
            name2attributes[key][0] = attribute
        else:
            name2attributes[key] = [attribute, None]

    for attribute in body_output_attributes:
        key = str(attribute.parent.id) + '_' + attribute.name

        if key in name2attributes.keys():
            name2attributes[key][1] = attribute
        else:
            name2attributes[key] = [None, attribute]

    # remove defaule values
    name_removing = []
    defaule_values = [counter_value, cond_value, iter_value]
    for k, v in name2attributes.items():
        if v[0] in defaule_values:
            name_removing.append(k)

        if v[1] in defaule_values:
            name_removing.append(k)

    for nr in name_removing:
        if nr in name2attributes.keys():
            name2attributes.pop(nr)

    #
    inputs = []
    outputs = []
    non_volatiles = []

    # 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 subgrap'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))
    
    for attributes in name2attributes.values():
        name = ''
        parent = None
        input_value = None
        output_value = None

        if attributes[0] is not None:
            name = attributes[0].name
            parent = attributes[0].parent

        if attributes[1] is not None:
            name = attributes[1].name
            parent = attributes[1].parent

        if attributes[0] is not None:
            input_value = input_attributes_2_values[attributes[0]]
        else:
            # value with same type
            input_value = functions.generate_value_with_same_type(output_attributes_2_values[attributes[1]])

        if attributes[1] is not None:
            output_value = output_attributes_2_values[attributes[1]]
        else:
            # copy value
            output_value = input_attributes_2_values[attributes[0]]

        output_value_in_node = functions.generate_value_with_same_type(output_value)

        inputs.append(input_value)
        outputs.append(output_value_in_node)
        body_graph.add_input_value(input_value)
        body_graph.add_output_value(output_value)

        if attributes[1].is_non_volatile:
            non_volatiles.append((attribute[1].initial_value,output_value_in_node))

        attributes[1].parent.get_attribute(name).revise(output_value_in_node)

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

    graph.add_node(node)

    # add non-volatiles
    for tv, v in non_volatiles:
        node_nv = nodes.NodeNonVolatileAssign(tv, v)
        graph.add_node(node_nv)

    return None
Esempio n. 17
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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)

    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])
        ret_value = values.Value()
        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
Esempio n. 18
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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)

    # for target in iter:
    iter_ = veval_ast(astc.c(astc.nast.iter), local_field, graph)

    # 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

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

    # body
    body_graph = Graph()
    body_graph.name = 'Body'

    counter_value = values.NumberValue(0)
    counter_value.name = 'for_counter'

    cond_value = values.BoolValue(True)
    cond_value.name = 'for_cond'

    iter_value = try_get_value(iter_, 'for', lineprop)

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

    # estimate type
    # TODO : more types
    if isinstance(iter_value, values.RangeValue):
        target_value = values.NumberValue(None)
        target_value.dtype = np.array(0).dtype
    else:
        target_value = values.Value()

    target_obj = values.Object(target_value)
    node_forgen.set_outputs([target_value])

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

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

    values.commit(body_id)

    # get changed attributes
    body_input_attributes = get_input_attritubtes(local_field, for_id, body_id)
    body_output_attributes = get_output_attritubtes(local_field, for_id,
                                                    body_id)

    body_input_attributes = filter_attributes(body_input_attributes)
    body_output_attributes = filter_attributes(body_output_attributes)

    # get objects whose values are changed
    value_changed_objs = get_output_objs(local_field, for_id, body_id)

    changed_values = {}

    for obj in value_changed_objs:
        in_value = obj.get_value_log(for_id)
        out_value = obj.get_value_log(body_id)
        changed_values[in_value] = out_value

    # get outputs
    output_attributes_2_values = {}

    for attribute in body_output_attributes:
        output_attributes_2_values[attribute] = attribute.get_obj().get_value()

    # get inputs
    values.checkout(for_id)

    input_attributes_2_values = {}

    for attribute in body_input_attributes:
        input_attributes_2_values[attribute] = attribute.get_obj().get_value()

    # export
    values.checkout(for_id)

    # generate attribute pairs
    name2attributes = {}

    for attribute in body_input_attributes:
        key = str(attribute.parent.id) + '_' + attribute.name

        if key in name2attributes.keys():
            name2attributes[key][0] = attribute
        else:
            name2attributes[key] = [attribute, None]

    for attribute in body_output_attributes:
        key = str(attribute.parent.id) + '_' + attribute.name

        if key in name2attributes.keys():
            name2attributes[key][1] = attribute
        else:
            name2attributes[key] = [None, attribute]

    # remove defaule values
    name_removing = []
    defaule_values = [counter_value, cond_value, iter_value]
    for k, v in name2attributes.items():
        if v[0] in defaule_values:
            name_removing.append(k)

        if v[1] in defaule_values:
            name_removing.append(k)

    for nr in name_removing:
        if nr in name2attributes.keys():
            name2attributes.pop(nr)

    #
    inputs = []
    outputs = []
    non_volatiles = []

    # 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 subgrap'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))

    for attributes in name2attributes.values():
        name = ''
        parent = None
        input_value = None
        output_value = None

        if attributes[0] is not None:
            name = attributes[0].name
            parent = attributes[0].parent

        if attributes[1] is not None:
            name = attributes[1].name
            parent = attributes[1].parent

        if attributes[0] is not None:
            input_value = input_attributes_2_values[attributes[0]]
        else:
            # value with same type
            input_value = functions.generate_value_with_same_type(
                output_attributes_2_values[attributes[1]])

        if attributes[1] is not None:
            output_value = output_attributes_2_values[attributes[1]]
        else:
            if input_attributes_2_values[
                    attributes[0]] in changed_values.keys():
                # change only values
                output_value = changed_values[input_attributes_2_values[
                    attributes[0]]]
            else:
                # copy value
                output_value = input_attributes_2_values[attributes[0]]

        output_value_in_node = functions.generate_value_with_same_type(
            output_value)

        inputs.append(input_value)
        outputs.append(output_value_in_node)
        body_graph.add_input_value(input_value)
        body_graph.add_output_value(output_value)

        if attributes[1] is not None and attributes[1].is_non_volatile:
            non_volatiles.append(
                (attributes[1].initial_obj.get_value(), output_value_in_node))

        output_obj_in_node = values.Object(output_value_in_node)
        parent.get_attribute(name).revise(output_obj_in_node)

    for changed_value_in, changed_value_out in changed_values.items():
        if changed_value_in is None:
            continue
        if changed_value_in in inputs:
            continue

        inputs.append(changed_value_in)
        body_graph.add_input_value(changed_value_in)
        body_graph.add_output_value(changed_value_out)
        value = functions.generate_value_with_same_type(changed_value_out)
        obj.revise(value)
        outputs.append(value)

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

    graph.add_node(node)

    # add non-volatiles
    for tv, v in non_volatiles:
        node_nv = nodes.NodeNonVolatileAssign(tv, v)
        graph.add_node(node_nv)

    return None
Esempio n. 19
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)

    # 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()

    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(body_cond_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

    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 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, astc.lineno)
    node.set_outputs(outputs)
    node_input.set_outputs(node_input_outputs)

    graph.add_node(node)

    return None
Esempio n. 20
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)

    # 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

    values.commit(if_id)

    # True condition
    values.checkout(if_id)
    true_graph = Graph()
    true_graph.name = 'True'
    body = veval_ast(astc.c(astc.nast.body), local_field, true_graph)

    values.commit(true_id)
    true_input_attributes = get_input_attritubtes(local_field, if_id, true_id)
    true_output_attributes = get_output_attritubtes(local_field, if_id,
                                                    true_id)
    true_output_objs = get_output_objs(local_field, if_id, true_id)

    #TODO(durswd): improve
    true_input_attributes = filter_attributes(true_input_attributes)
    true_output_attributes = filter_attributes(true_output_attributes)

    true_output_attributes_2_values = {}

    for attribute in true_output_attributes:
        true_output_attributes_2_values[attribute] = attribute.get_obj(
        ).get_value()

    # False condition
    values.checkout(if_id)
    false_graph = Graph()
    false_graph.name = 'False'
    orelse = veval_ast(astc.c(astc.nast.orelse), local_field, false_graph)

    values.commit(false_id)
    false_input_attributes = get_input_attritubtes(local_field, if_id,
                                                   false_id)
    false_output_attributes = get_output_attritubtes(local_field, if_id,
                                                     false_id)
    false_output_objs = get_output_objs(local_field, if_id, false_id)

    #TODO(durswd): improve
    false_input_attributes = filter_attributes(false_input_attributes)
    false_output_attributes = filter_attributes(false_output_attributes)

    false_output_attributes_2_values = {}

    for attribute in false_output_attributes:
        false_output_attributes_2_values[attribute] = attribute.get_obj(
        ).get_value()

    # Merge
    values.checkout(if_id)

    # Input
    input_attributes = set(true_input_attributes) | set(false_input_attributes)

    # remove unexisting values
    input_attributes = [v for v in input_attributes if v.has_obj()]
    input_values = [i.get_obj().get_value() for i in input_attributes]

    # Output
    name2output_attributes = {}

    # generate attribute pairs
    for attribute in true_output_attributes:
        key = str(attribute.parent.id) + '_' + attribute.name

        if key in name2output_attributes.keys():
            name2output_attributes[key][0] = attribute
        else:
            name2output_attributes[key] = [attribute, None]

    for attribute in false_output_attributes:
        key = str(attribute.parent.id) + '_' + attribute.name

        if key in name2output_attributes.keys():
            name2output_attributes[key][1] = attribute
        else:
            name2output_attributes[key] = [None, attribute]

    obj2output_values = {}
    for obj in true_output_objs:
        if obj.get_value() == None:
            continue

        key = obj
        value = obj.get_value_log(true_id)

        if key in obj2output_values.keys():
            obj2output_values[key][0] = value
        else:
            obj2output_values[key] = [value, None]

    for obj in false_output_objs:
        if obj.get_value() == None:
            continue

        key = obj
        value = obj.get_value_log(false_id)

        if key in obj2output_values.keys():
            obj2output_values[key][1] = value
        else:
            obj2output_values[key] = [None, value]

    output_attributes = set(true_output_attributes) | set(
        false_output_attributes)
    output_values = []

    non_volatiles = []

    for attribute_pair in name2output_attributes.values():
        true_attribute, false_attribute = attribute_pair
        name = ''
        parent = None  # type: values.Field

        if true_attribute is not None:
            name = true_attribute.name
            parent = true_attribute.parent

        if false_attribute is not None:
            name = false_attribute.name
            parent = false_attribute.parent

        if true_attribute is not None:
            true_value = true_output_attributes_2_values[true_attribute]
        else:
            if parent.has_attribute(name):
                true_value = parent.get_attribute(name).get_obj().get_value()

                if not true_value in input_values:
                    input_values.append(true_value)
            else:
                # TODO : it should be better
                # case
                # if xxx:
                #     y = 10
                # print(y)
                true_value = false_output_attributes_2_values[false_attribute]

        if false_attribute is not None:
            false_value = false_output_attributes_2_values[false_attribute]
        else:
            if parent.has_attribute(name):
                false_value = parent.get_attribute(name).get_obj().get_value()

                if not false_value in input_values:
                    input_values.append(false_value)

            else:
                # TODO : it should be better
                # case
                # if xxx:
                #     y = 10
                # print(y)
                false_value = true_output_attributes_2_values[true_attribute]

        true_graph.add_output_value(true_value)
        false_graph.add_output_value(false_value)

        if true_attribute is not None and false_attribute is not None and true_attribute != false_attribute:
            # dynamic
            value = functions.generate_value_with_same_type(true_value)
            output_values.append(value)
            parent.get_attribute(name).revise(values.Object(value))

        elif true_attribute is not None and false_attribute is not None:
            # change both
            value = functions.generate_value_with_same_type(true_value)
            output_values.append(value)

            if parent.get_attribute(name).is_non_volatile:
                non_volatiles.append(
                    (parent.get_attribute(name).initial_obj.get_value(),
                     value))

            parent.get_attribute(name).revise(values.Object(value))

        elif true_attribute in input_attributes:
            value = functions.generate_value_with_same_type(true_value)

            if parent.get_attribute(name).is_non_volatile:
                non_volatiles.append(
                    (parent.get_attribute(name).initial_obj.get_value(),
                     value))

            output_values.append(value)
            parent.get_attribute(name).revise(values.Object(value))
        else:
            value = functions.generate_value_with_same_type(false_value)

            if parent.get_attribute(name).is_non_volatile:
                non_volatiles.append(
                    (parent.get_attribute(name).initial_obj.get_value(),
                     value))

            output_values.append(value)
            parent.get_attribute(name).revise(values.Object(value))

    for input_value in input_values:
        true_graph.add_input_value(input_value)
        false_graph.add_input_value(input_value)

    for obj, values_pairs in obj2output_values.items():
        if not obj.get_value() in input_values:
            input_values.append(obj.get_value())

        value = None
        true_value = None
        false_value = None

        if values_pairs[0] is not None:
            value = values_pairs[0]
            true_value = values_pairs[0]
        if values_pairs[1] is not None:
            value = values_pairs[1]
            false_value = values_pairs[1]

        if true_value is None:
            true_value = obj.get_value()

        if false_value is None:
            false_value = obj.get_value()

        value = functions.generate_value_with_same_type(value)
        obj.revise(value)
        output_values.append(value)

        true_graph.add_output_value(true_value)
        false_graph.add_output_value(false_value)

    node = nodes.NodeIf(test_value, input_values, true_graph, false_graph,
                        astc.lineno)
    node.set_outputs(output_values)

    graph.add_node(node)

    # add non-volatiles
    for tv, v in non_volatiles:
        node_nv = nodes.NodeNonVolatileAssign(tv, v)
        graph.add_node(node_nv)

    return None