| Index: client/dom/scripts/systembase.py
|
| ===================================================================
|
| --- client/dom/scripts/systembase.py (revision 5796)
|
| +++ client/dom/scripts/systembase.py (working copy)
|
| @@ -1,111 +0,0 @@
|
| -#!/usr/bin/python
|
| -# Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
|
| -# for details. All rights reserved. Use of this source code is governed by a
|
| -# BSD-style license that can be found in the LICENSE file.
|
| -
|
| -"""This module provides base functionality for systems to generate
|
| -Dart APIs from the IDL database."""
|
| -
|
| -import os
|
| -#import re
|
| -import generator
|
| -
|
| -def MassagePath(path):
|
| - # The most robust way to emit path separators is to use / always.
|
| - return path.replace('\\', '/')
|
| -
|
| -class System(object):
|
| - """A System generates all the files for one implementation.
|
| -
|
| - This is a base class for all the specific systems.
|
| - The life-cycle of a System is:
|
| - - construction (__init__)
|
| - - (InterfaceGenerator | ProcessCallback)* # for each IDL interface
|
| - - GenerateLibraries
|
| - - Finish
|
| - """
|
| -
|
| - def __init__(self, templates, database, emitters, output_dir):
|
| - self._templates = templates
|
| - self._database = database
|
| - self._emitters = emitters
|
| - self._output_dir = output_dir
|
| - self._dart_callback_file_paths = []
|
| -
|
| - def InterfaceGenerator(self,
|
| - interface,
|
| - common_prefix,
|
| - super_interface_name,
|
| - source_filter):
|
| - """Returns an interface generator for |interface|.
|
| -
|
| - Called once for each interface that is not a callback function.
|
| - """
|
| - return None
|
| -
|
| - def ProcessCallback(self, interface, info):
|
| - """Processes an interface that is a callback function."""
|
| - pass
|
| -
|
| - def GenerateLibraries(self, lib_dir):
|
| - pass
|
| -
|
| - def Finish(self):
|
| - pass
|
| -
|
| -
|
| - # Helper methods used by several systems.
|
| -
|
| - def _ProcessCallback(self, interface, info, file_path):
|
| - """Generates a typedef for the callback interface."""
|
| - self._dart_callback_file_paths.append(file_path)
|
| - code = self._emitters.FileEmitter(file_path)
|
| -
|
| - code.Emit(self._templates.Load('callback.darttemplate'))
|
| - code.Emit('typedef $TYPE $NAME($PARAMS);\n',
|
| - NAME=interface.id,
|
| - TYPE=info.type_name,
|
| - PARAMS=info.ParametersImplementationDeclaration())
|
| -
|
| -
|
| - def _GenerateLibFile(self, lib_template, lib_file_path, file_paths,
|
| - **template_args):
|
| - """Generates a lib file from a template and a list of files.
|
| -
|
| - Additional keyword arguments are passed to the template.
|
| - Typically called from self.GenerateLibraries.
|
| - """
|
| - # Load template.
|
| - template = self._templates.Load(lib_template)
|
| - # Generate the .lib file.
|
| - lib_file_contents = self._emitters.FileEmitter(lib_file_path)
|
| -
|
| - # Emit the list of #source directives.
|
| - list_emitter = lib_file_contents.Emit(template, **template_args)
|
| - lib_file_dir = os.path.dirname(lib_file_path)
|
| - for path in sorted(file_paths):
|
| - relpath = os.path.relpath(path, lib_file_dir)
|
| - list_emitter.Emit("#source('$PATH');\n", PATH=MassagePath(relpath))
|
| -
|
| -
|
| - def _BaseDefines(self, interface):
|
| - """Returns a set of names (strings) for members defined in a base class.
|
| - """
|
| - def WalkParentChain(interface):
|
| - if interface.parents:
|
| - # Only consider primary parent, secondary parents are not on the
|
| - # implementation class inheritance chain.
|
| - parent = interface.parents[0]
|
| - if generator.IsDartCollectionType(parent.type.id):
|
| - return
|
| - if self._database.HasInterface(parent.type.id):
|
| - parent_interface = self._database.GetInterface(parent.type.id)
|
| - for attr in parent_interface.attributes:
|
| - result.add(attr.id)
|
| - for op in parent_interface.operations:
|
| - result.add(op.id)
|
| - WalkParentChain(parent_interface)
|
| -
|
| - result = set()
|
| - WalkParentChain(interface)
|
| - return result;
|
|
|