| # Copyright 2017 The Chromium Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| from . import file_io |
| from .composition_parts import Component |
| |
| |
| class AstGroup(object): |
| """A set of Web IDL ASTs grouped by component.""" |
| |
| def __init__(self, component, for_testing=False): |
| assert isinstance(component, Component) |
| assert isinstance(for_testing, bool) |
| self._nodes = [] |
| self._component = component |
| self._for_testing = for_testing |
| |
| def __iter__(self): |
| return self._nodes.__iter__() |
| |
| @staticmethod |
| def read_from_file(filepath): |
| ast_group = file_io.read_pickle_file(filepath) |
| assert isinstance(ast_group, AstGroup) |
| return ast_group |
| |
| def write_to_file(self, filepath): |
| return file_io.write_pickle_file_if_changed(filepath, self) |
| |
| def add_ast_node(self, node): |
| assert node.GetClass() == 'File', ( |
| 'Root node of an AST must be a File node, but is %s.' % |
| node.GetClass()) |
| self._nodes.append(node) |
| |
| @property |
| def component(self): |
| return self._component |
| |
| @property |
| def for_testing(self): |
| return self._for_testing |
