78 lines
3.1 KiB
Python
78 lines
3.1 KiB
Python
# Copyright 2019 The Dawn Authors
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from collections import namedtuple
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from common import Name
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import common
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def concat_names(*names):
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return ' '.join([name.canonical_case() for name in names])
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# Create wire commands from api methods
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def compute_wire_params(api_params, wire_json):
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wire_params = api_params.copy()
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types = wire_params['types']
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commands = []
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return_commands = []
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# Generate commands from object methods
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for api_object in wire_params['by_category']['object']:
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for method in api_object.methods:
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command_name = concat_names(api_object.name, method.name)
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command_suffix = Name(command_name).CamelCase()
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# Only object return values or void are supported. Other methods must be handwritten.
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if method.return_type.category != 'object' and method.return_type.name.canonical_case() != 'void':
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assert(command_suffix in wire_json['special items']['client_handwritten_commands'])
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continue
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if command_suffix in wire_json['special items']['client_side_commands']:
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continue
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# Create object method commands by prepending "self"
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members = [common.RecordMember(Name('self'), types[api_object.dict_name], 'value', False, False)]
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members += method.arguments
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# Client->Server commands that return an object return the result object handle
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if method.return_type.category == 'object':
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result = common.RecordMember(Name('result'), types['ObjectHandle'], 'value', False, True)
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result.set_handle_type(method.return_type)
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members.append(result)
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command = common.Command(command_name, members)
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command.derived_object = api_object
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command.derived_method = method
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commands.append(command)
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for (name, json_data) in wire_json['commands'].items():
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commands.append(common.Command(name, common.linked_record_members(json_data, types)))
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for (name, json_data) in wire_json['return commands'].items():
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return_commands.append(common.Command(name, common.linked_record_members(json_data, types)))
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wire_params['cmd_records'] = {
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'command': commands,
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'return command': return_commands
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}
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for commands in wire_params['cmd_records'].values():
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for command in commands:
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command.update_metadata()
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commands.sort(key=lambda c: c.name.canonical_case())
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wire_params.update(wire_json.get('special items', {}))
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return wire_params
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