blob: ac02bb0d67144e46944dd6191da0a1945f42896c [file] [log] [blame]
# 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)