Python IdlReader.read_idl_file方法代码示例

# 需要导入模块: from idl_reader import IdlReader [as 别名]
# 或者: from idl_reader.IdlReader import read_idl_file [as 别名]
class InterfaceInfoCollector(object):
    """A class that collects interface information from idl files."""
    def __init__(self, cache_directory=None):
        self.reader = IdlReader(interfaces_info=None, outputdir=cache_directory)
        self.interfaces_info = {}
        self.partial_interface_files = defaultdict(lambda: {
            'full_paths': [],
            'include_paths': [],
        })
        self.enumerations = set()
        self.union_types = set()
        self.typedefs = {}

    def add_paths_to_partials_dict(self, partial_interface_name, full_path,
                                   include_paths):
        paths_dict = self.partial_interface_files[partial_interface_name]
        paths_dict['full_paths'].append(full_path)
        paths_dict['include_paths'].extend(include_paths)

    def collect_info(self, idl_filename):
        """Reads an idl file and collects information which is required by the
        binding code generation."""
        def collect_unforgeable_attributes(definition, idl_filename):
            """Collects [Unforgeable] attributes so that we can define them on
            sub-interfaces later.  The resulting structure is as follows.
                interfaces_info[interface_name] = {
                    'unforgeable_attributes': {
                        'core': [IdlAttribute, ...],
                        'modules': [IdlAttribute, ...],
                    },
                    ...
                }
            """
            interface_info = {}
            unforgeable_attributes = get_unforgeable_attributes_from_definition(definition)
            if not unforgeable_attributes:
                return interface_info

            if definition.is_partial:
                interface_basename = idl_filename_to_interface_name(idl_filename)
                # TODO(yukishiino): [PartialInterfaceImplementedAs] is treated
                # in interface_dependency_resolver.transfer_extended_attributes.
                # Come up with a better way to keep them consistent.
                for attr in unforgeable_attributes:
                    attr.extended_attributes['PartialInterfaceImplementedAs'] = definition.extended_attributes.get('ImplementedAs', interface_basename)
            component = idl_filename_to_component(idl_filename)
            interface_info['unforgeable_attributes'] = {}
            interface_info['unforgeable_attributes'][component] = unforgeable_attributes
            return interface_info

        definitions = self.reader.read_idl_file(idl_filename)

        this_union_types = collect_union_types_from_definitions(definitions)
        self.union_types.update(this_union_types)
        self.typedefs.update(definitions.typedefs)
        # Check enum duplication.
        for enum_name in definitions.enumerations.keys():
            for defined_enum in self.enumerations:
                if defined_enum.name == enum_name:
                    raise Exception('Enumeration %s has multiple definitions' % enum_name)
        self.enumerations.update(definitions.enumerations.values())

        if definitions.interfaces:
            definition = next(definitions.interfaces.itervalues())
            interface_info = {
                'is_callback_interface': definition.is_callback,
                'is_dictionary': False,
                # Interfaces that are referenced (used as types) and that we
                # introspect during code generation (beyond interface-level
                # data ([ImplementedAs], is_callback_interface, ancestors, and
                # inherited extended attributes): deep dependencies.
                # These cause rebuilds of referrers, due to the dependency,
                # so these should be minimized; currently only targets of
                # [PutForwards].
                'referenced_interfaces': get_put_forward_interfaces_from_definition(definition),
            }
        elif definitions.dictionaries:
            definition = next(definitions.dictionaries.itervalues())
            interface_info = {
                'is_callback_interface': False,
                'is_dictionary': True,
                'referenced_interfaces': None,
            }
        else:
            return

        if definition.name not in self.interfaces_info:
            self.interfaces_info[definition.name] = {}

        # Remember [Unforgeable] attributes.
        if definitions.interfaces:
            merge_dict_recursively(self.interfaces_info[definition.name],
                                   collect_unforgeable_attributes(definition, idl_filename))

        component = idl_filename_to_component(idl_filename)
        extended_attributes = definition.extended_attributes
        implemented_as = extended_attributes.get('ImplementedAs')
        full_path = os.path.realpath(idl_filename)
        this_include_path = None if 'NoImplHeader' in extended_attributes else include_path(idl_filename, implemented_as)
        if definition.is_partial:
#.........这里部分代码省略.........

# 需要导入模块: from idl_reader import IdlReader [as 别名]
# 或者: from idl_reader.IdlReader import read_idl_file [as 别名]
class InterfaceInfoCollector(object):
    """A class that collects interface information from idl files."""
    def __init__(self, cache_directory=None):
        self.reader = IdlReader(interfaces_info=None, outputdir=cache_directory)
        self.interfaces_info = {}
        self.partial_interface_files = defaultdict(lambda: {
            'full_paths': [],
            'include_paths': [],
        })
        self.enumerations = set()
        self.union_types = set()
        self.typedefs = {}

    def add_paths_to_partials_dict(self, partial_interface_name, full_path,
                                   include_paths):
        paths_dict = self.partial_interface_files[partial_interface_name]
        paths_dict['full_paths'].append(full_path)
        paths_dict['include_paths'].extend(include_paths)

    def collect_info(self, idl_filename):
        """Reads an idl file and collects information which is required by the
        binding code generation."""
        definitions = self.reader.read_idl_file(idl_filename)

        this_union_types = collect_union_types_from_definitions(definitions)
        self.union_types.update(this_union_types)
        self.typedefs.update(definitions.typedefs)
        # Check enum duplication.
        for enum_name in definitions.enumerations.keys():
            for defined_enum in self.enumerations:
                if defined_enum.name == enum_name:
                    raise Exception('Enumeration %s has multiple definitions' % enum_name)
        self.enumerations.update(definitions.enumerations.values())

        if definitions.interfaces:
            definition = next(definitions.interfaces.itervalues())
            interface_info = {
                'is_callback_interface': definition.is_callback,
                'is_dictionary': False,
                # Interfaces that are referenced (used as types) and that we
                # introspect during code generation (beyond interface-level
                # data ([ImplementedAs], is_callback_interface, ancestors, and
                # inherited extended attributes): deep dependencies.
                # These cause rebuilds of referrers, due to the dependency,
                # so these should be minimized; currently only targets of
                # [PutForwards].
                'referenced_interfaces': get_put_forward_interfaces_from_definition(definition),
            }
        elif definitions.dictionaries:
            definition = next(definitions.dictionaries.itervalues())
            interface_info = {
                'is_callback_interface': False,
                'is_dictionary': True,
                'referenced_interfaces': None,
            }
        else:
            return

        extended_attributes = definition.extended_attributes
        implemented_as = extended_attributes.get('ImplementedAs')
        full_path = os.path.realpath(idl_filename)
        this_include_path = None if 'NoImplHeader' in extended_attributes else include_path(idl_filename, implemented_as)
        if definition.is_partial:
            # We don't create interface_info for partial interfaces, but
            # adds paths to another dict.
            partial_include_paths = []
            if this_include_path:
                partial_include_paths.append(this_include_path)
            if this_union_types:
                component = idl_filename_to_component(idl_filename)
                partial_include_paths.append(
                    'bindings/%s/v8/UnionTypes%s.h' % (component, component.capitalize()))
            self.add_paths_to_partials_dict(definition.name, full_path, partial_include_paths)
            return

        # 'implements' statements can be included in either the file for the
        # implement*ing* interface (lhs of 'implements') or implement*ed* interface
        # (rhs of 'implements'). Store both for now, then merge to implement*ing*
        # interface later.
        left_interfaces, right_interfaces = get_implements_from_definitions(
            definitions, definition.name)

        interface_info.update({
            'extended_attributes': extended_attributes,
            'full_path': full_path,
            'has_union_types': bool(this_union_types),
            'implemented_as': implemented_as,
            'implemented_by_interfaces': left_interfaces,
            'implements_interfaces': right_interfaces,
            'include_path': this_include_path,
            # FIXME: temporary private field, while removing old treatement of
            # 'implements': http://crbug.com/360435
            'is_legacy_treat_as_partial_interface': 'LegacyTreatAsPartialInterface' in extended_attributes,
            'parent': definition.parent,
            'relative_dir': relative_dir_posix(idl_filename),
        })
        self.interfaces_info[definition.name] = interface_info

    def get_info_as_dict(self):
        """Returns info packaged as a dict."""
#.........这里部分代码省略.........