| # Copyright 2024 Google LLC |
| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); |
| # you may not use this file except in compliance with the License. |
| # You may obtain a copy of the License at |
| # |
| # https://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| |
| from compiler.util import ir_data |
| |
| class IrDataSerializer: |
| """Provides methods for serializing IR data objects""" |
| |
| def __init__(self, ir: ir_data.Message): |
| assert ir is not None |
| self.ir = ir |
| |
| def to_json(self, *args, **kwargs): |
| """Converts the IR data class to a JSON string""" |
| return self.ir.to_json(*args, **kwargs) |
| |
| @staticmethod |
| def from_json(data_cls: type[ir_data.Message], data): |
| """Constructs an IR data class from the given JSON string""" |
| return data_cls.from_json(data) |
| |
| |
| def builder(target: ir_data.Message) -> ir_data.Message: |
| """Provides a wrapper for building up IR data classes. |
| |
| This is a no-op and just used for annotation for now. |
| """ |
| return target |
| |
| |
| def reader(obj: ir_data.Message) -> ir_data.Message: |
| """A read-only wrapper for querying chains of IR data fields. |
| |
| This is a no-op and just used for annotation for now. |
| """ |
| return obj |
| |
| |
| def copy(ir: ir_data.Message | None) -> ir_data.Message | None: |
| """Creates a copy of the given IR data class""" |
| if not ir: |
| return None |
| ir_class = type(ir) |
| ir_copy = ir_class() |
| update(ir_copy, ir) |
| return ir_copy |
| |
| |
| def update(ir: ir_data.Message, template: ir_data.Message): |
| """Updates `ir`s fields with all set fields in the template.""" |
| ir.CopyFrom(template) |