IDL compiler: delete Perl compiler, remove unstable/ directory

Source/bindings/scripts/unstable/idl_reader.py

-# Copyright (C) 2013 Google Inc. All rights reserved.
-#
-# Redistribution and use in source and binary forms, with or without
-# modification, are permitted provided that the following conditions are
-# met:
-#
-#     * Redistributions of source code must retain the above copyright
-# notice, this list of conditions and the following disclaimer.
-#     * Redistributions in binary form must reproduce the above
-# copyright notice, this list of conditions and the following disclaimer
-# in the documentation and/or other materials provided with the
-# distribution.
-#     * Neither the name of Google Inc. nor the names of its
-# contributors may be used to endorse or promote products derived from
-# this software without specific prior written permission.
-#
-# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-"""Read an IDL file or complete IDL interface, producing an IdlDefinitions object."""
-
-import os.path
-
-import blink_idl_parser
-import idl_definitions_builder
-import idl_validator
-import interface_dependency_resolver
-
-
-class IdlReader(object):
-    def __init__(self, interfaces_info=None, idl_attributes_filename=None, outputdir=''):
-        if idl_attributes_filename:
-            self.extended_attribute_validator = idl_validator.IDLExtendedAttributeValidator(idl_attributes_filename)
-        else:
-            self.extended_attribute_validator = None
-
-        if interfaces_info:
-            self.interface_dependency_resolver = interface_dependency_resolver.InterfaceDependencyResolver(interfaces_info, self)
-        else:
-            self.interface_dependency_resolver = None
-
-        self.parser = blink_idl_parser.BlinkIDLParser(outputdir=outputdir)
-
-    def read_idl_definitions(self, idl_filename):
-        """Returns an IdlDefinitions object for an IDL file, including all dependencies."""
-        definitions = self.read_idl_file(idl_filename)
-        if not self.interface_dependency_resolver:
-            return definitions
-
-        interface_name, _ = os.path.splitext(os.path.basename(idl_filename))
-        self.interface_dependency_resolver.resolve_dependencies(
-            definitions, interface_name)
-        return definitions
-
-    def read_idl_file(self, idl_filename):
-        """Returns an IdlDefinitions object for an IDL file, without any dependencies."""
-        ast = blink_idl_parser.parse_file(self.parser, idl_filename)
-        definitions = idl_definitions_builder.build_idl_definitions_from_ast(ast)
-        if not self.extended_attribute_validator:
-            return definitions
-
-        try:
-            self.extended_attribute_validator.validate_extended_attributes(definitions)
-        except idl_validator.IDLInvalidExtendedAttributeError as error:
-            raise idl_validator.IDLInvalidExtendedAttributeError("""IDL ATTRIBUTE ERROR in file %s:
-    %s
-If you want to add a new IDL extended attribute, please add it to
-    bindings/IDLExtendedAttributes.txt
-and add an explanation to the Blink IDL documentation at:
-    http://www.chromium.org/blink/webidl/blink-idl-extended-attributes
-    """ % (idl_filename, str(error)))
-
-        return definitions