"""
Copyright (C) 2023, Advanced Micro Devices, Inc. All rights reserved.
# SPDX-License-Identifier: BSD-3-Clause

Adapted from https://github.com/mit-han-lab/llm-awq, released under the following LICENSE:

MIT License

Copyright (c) 2023 MIT HAN Lab

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
"""


def get_op_by_name(module, op_name):
    # get the op by its name relative to the module
    for name, m in module.named_modules():
        if name == op_name:
            return m
    raise ValueError(f"Cannot find op {op_name} in module {module}")


def get_op_name(module, op):
    # get the name of the op relative to the module
    for name, m in module.named_modules():
        if m is op:
            return name
    raise ValueError(f"Cannot find op {op} in module {module}")


def append_str_prefix(x, prefix):
    if isinstance(x, str):
        return prefix + x
    elif isinstance(x, tuple):
        return tuple([append_str_prefix(y, prefix) for y in x])
    elif isinstance(x, list):
        return [append_str_prefix(y, prefix) for y in x]
    else:
        return x
