Python IdlReader.read_idl_definitions方法代碼示例

# 需要導入模塊: from idl_reader import IdlReader [as 別名]
# 或者: from idl_reader.IdlReader import read_idl_definitions [as 別名]
class IdlCompiler(object):
    """Abstract Base Class for IDL compilers.

    In concrete classes:
    * self.code_generator must be set, implementing generate_code()
      (returning a list of output code), and
    * compile_file() must be implemented (handling output filenames).
    """
    __metaclass__ = abc.ABCMeta

    def __init__(self, output_directory, code_generator=None,
                 interfaces_info=None, interfaces_info_filename='',
                 only_if_changed=False):
        """
        Args:
            interfaces_info:
                interfaces_info dict
                (avoids auxiliary file in run-bindings-tests)
            interfaces_info_file: filename of pickled interfaces_info
        """
        self.code_generator = code_generator
        if interfaces_info_filename:
            with open(interfaces_info_filename) as interfaces_info_file:
                interfaces_info = pickle.load(interfaces_info_file)
        self.interfaces_info = interfaces_info

        self.only_if_changed = only_if_changed
        self.output_directory = output_directory
        self.reader = IdlReader(interfaces_info, output_directory)

    def compile_and_write(self, idl_filename, output_filenames):
        interface_name = idl_filename_to_interface_name(idl_filename)
        idl_pickle_filename = os.path.join(self.output_directory,
                                           '%s_globals.pickle' % interface_name)
        definitions = self.reader.read_idl_definitions(idl_filename)
        output_code_list = self.code_generator.generate_code(definitions,
                                                             interface_name,
                                                             idl_filename,
                                                             idl_pickle_filename,
                                                             self.only_if_changed)

        for output_code, output_filename in zip(output_code_list, output_filenames):
            write_file(output_code, output_filename, self.only_if_changed)

    def generate_global_and_write(self, global_entries, output_filenames):
        output_code_list = self.code_generator.generate_globals(global_entries)
        for output_code, output_filename in zip(output_code_list, output_filenames):
            write_file(output_code, output_filename, self.only_if_changed)

    def generate_dart_blink_and_write(self, global_entries, output_filename):
        output_code = self.code_generator.generate_dart_blink(global_entries)
        write_file(output_code, output_filename, self.only_if_changed)

    @abc.abstractmethod
    def compile_file(self, idl_filename):
        pass

# 需要導入模塊: from idl_reader import IdlReader [as 別名]
# 或者: from idl_reader.IdlReader import read_idl_definitions [as 別名]
class IdlCompiler(object):
    """Abstract Base Class for IDL compilers.

    In concrete classes:
    * self.code_generator must be set, implementing generate_code()
      (returning a list of output code), and
    * compile_file() must be implemented (handling output filenames).
    """
    __metaclass__ = abc.ABCMeta

    def __init__(self, output_directory, cache_directory=None,
                 code_generator=None, interfaces_info=None,
                 interfaces_info_filename='', only_if_changed=False,
                 target_component=None):
        """
        Args:
            interfaces_info:
                interfaces_info dict
                (avoids auxiliary file in run-bindings-tests)
            interfaces_info_file: filename of pickled interfaces_info
        """
        self.cache_directory = cache_directory
        self.code_generator = code_generator
        if interfaces_info_filename:
            with open(interfaces_info_filename) as interfaces_info_file:
                interfaces_info = pickle.load(interfaces_info_file)
        self.interfaces_info = interfaces_info
        self.only_if_changed = only_if_changed
        self.output_directory = output_directory
        self.target_component = target_component
        self.reader = IdlReader(interfaces_info, cache_directory)

    def compile_and_write(self, idl_filename):
        interface_name = idl_filename_to_interface_name(idl_filename)
        definitions = self.reader.read_idl_definitions(idl_filename)
        target_component = self.target_component or idl_filename_to_component(idl_filename)
        target_definitions = definitions[target_component]
        output_code_list = self.code_generator.generate_code(
            target_definitions, interface_name)
        for output_path, output_code in output_code_list:
            write_file(output_code, output_path, self.only_if_changed)

    @abc.abstractmethod
    def compile_file(self, idl_filename):
        pass

# 需要導入模塊: from idl_reader import IdlReader [as 別名]
# 或者: from idl_reader.IdlReader import read_idl_definitions [as 別名]
class IdlCompiler(object):
    """Abstract Base Class for IDL compilers.

    In concrete classes:
    * self.code_generator must be set, implementing generate_code()
      (returning a list of output code), and
    * compile_file() must be implemented (handling output filenames).
    """
    __metaclass__ = abc.ABCMeta

    def __init__(self, output_directory, cache_directory=None,
                 code_generator=None, info_provider=None,
                 only_if_changed=False, target_component=None):
        """
        Args:
          output_directory: directory to put output files.
          cache_directory: directory which contains PLY caches.
          code_generator: code generator to be used.
          info_provider: component-specific information provider.
          only_if_changed: True when the compiler should only write output files
            when the contents are changed.
          target_component: component to be processed.
        """
        self.cache_directory = cache_directory
        self.code_generator = code_generator
        self.info_provider = info_provider
        self.only_if_changed = only_if_changed
        self.output_directory = output_directory
        self.target_component = target_component
        self.reader = IdlReader(info_provider.interfaces_info, cache_directory)

    def compile_and_write(self, idl_filename):
        interface_name = idl_filename_to_interface_name(idl_filename)
        definitions = self.reader.read_idl_definitions(idl_filename)
        target_component = self.target_component or idl_filename_to_component(idl_filename)
        target_definitions = definitions[target_component]
        output_code_list = self.code_generator.generate_code(
            target_definitions, interface_name)
        for output_path, output_code in output_code_list:
            write_file(output_code, output_path, self.only_if_changed)

    @abc.abstractmethod
    def compile_file(self, idl_filename):
        pass

# 需要導入模塊: from idl_reader import IdlReader [as 別名]
# 或者: from idl_reader.IdlReader import read_idl_definitions [as 別名]
class IdlCompiler(object):
    """Abstract Base Class for IDL compilers.

    In concrete classes:
    * self.code_generator must be set, implementing generate_code()
      (returning a list of output code), and
    * compile_file() must be implemented (handling output filenames).
    """
    __metaclass__ = abc.ABCMeta

    def __init__(self, output_directory, code_generator=None,
                 interfaces_info=None, interfaces_info_filename='',
                 only_if_changed=False):
        """
        Args:
            interfaces_info:
                interfaces_info dict
                (avoids auxiliary file in run-bindings-tests)
            interfaces_info_file: filename of pickled interfaces_info
        """
        self.code_generator = code_generator
        if interfaces_info_filename:
            with open(interfaces_info_filename) as interfaces_info_file:
                interfaces_info = pickle.load(interfaces_info_file)
        self.interfaces_info = interfaces_info

        self.only_if_changed = only_if_changed
        self.output_directory = output_directory
        self.reader = IdlReader(interfaces_info, output_directory, True)

    def compile_and_write(self, idl_filename, output_filenames):
        # Only compile the IDL file and return the AST.
        definitions = self.reader.read_idl_definitions(idl_filename)
        return definitions

    def generate_global_and_write(self, output_filenames):
        pass

    @abc.abstractmethod
    def compile_file(self, idl_filename):
        pass

# 需要導入模塊: from idl_reader import IdlReader [as 別名]
# 或者: from idl_reader.IdlReader import read_idl_definitions [as 別名]
class ExternalReferenceTableGenerator(object):
    def __init__(self, opts, info_provider):
        self._opts = opts
        self._info_provider = info_provider
        self._reader = IdlReader(
            info_provider.interfaces_info, opts.cache_dir)
        self._interface_contexts = {}
        self._include_files = set(INCLUDES)
        v8_types.set_component_dirs(info_provider.interfaces_info['component_dirs'])

    # Creates a Jinja context from an IDL file.
    def process_idl_file(self, idl_filename):
        definitions = self._reader.read_idl_definitions(idl_filename)
        base_name, _ = os.path.splitext(os.path.basename(idl_filename))
        for component in definitions:
            target_definitions = definitions[component]
            interfaces = target_definitions.interfaces
            if base_name in interfaces.keys():
                interface = interfaces[base_name]
                self._process_interface(interface, component, interfaces)

    # Creates a Jinja context from an interface. Some interfaces are not used
    # in V8 context snapshot, so we can skip them.
    def _process_interface(self, interface, component, interfaces):
        def has_impl(interface):
            if interface.name in WHITE_LIST_INTERFACES:
                return True
            # Non legacy callback interface does not provide V8 callbacks.
            if interface.is_callback:
                return len(interface.constants) > 0
            if 'RuntimeEnabled' in interface.extended_attributes:
                return False
            return True

        if not has_impl(interface):
            return

        context_builder = InterfaceTemplateContextBuilder(self._opts, self._info_provider)
        context = context_builder.create_interface_context(interface, interfaces)
        name = '%s%s' % (interface.name, 'Partial' if interface.is_partial else '')
        self._interface_contexts[name] = context
        include_file = 'bindings/%s/v8/%s.h' % (component, context['v8_name'])
        self._include_files.add(include_file)

    # Gathers all interface-dependent information and returns as a Jinja template context.
    def _create_template_context(self):
        interfaces = []
        for name in sorted(self._interface_contexts):
            interfaces.append(self._interface_contexts[name])
        return {
            'class': 'V8ContextSnapshotExternalReferences',
            'interfaces': interfaces,
            'include_files': sorted(list(self._include_files)),
        }

    # Applies a Jinja template on a context and generates a C++ code.
    def generate(self):
        jinja_env = initialize_jinja_env(self._opts.cache_dir)
        context = self._create_template_context()
        cpp_template = jinja_env.get_template(TEMPLATE_FILE)
        cpp_text = cpp_template.render(context)
        return cpp_text