src/developer/ffx/lib/symbolize/sys/generate.py

#!/usr/bin/env fuchsia-vendored-python
#
# Copyright 2024 The Fuchsia Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

import os
import sys

# Add //build/rust to Python path so bindgen import works.
FUCHSIA_DIR = os.environ.get(
    "FUCHSIA_DIR",
    os.path.join(os.path.dirname(__file__), "..", "..", "..", ".."),
)
sys.path.append(os.path.join(FUCHSIA_DIR, "build", "rust"))

from bindgen import Bindgen

RELATIVE_SCRIPT_PATH = os.path.relpath(__file__, FUCHSIA_DIR)

RAW_LINES = f"""
//! WARNING - This file was auto generated by //{RELATIVE_SCRIPT_PATH}.
//! Do not modify this file. To re-generate, run the following command from the root of
//! your Fuchsia checkout:
//!
//!    ./{RELATIVE_SCRIPT_PATH}
"""

bindgen = Bindgen()
bindgen.raw_lines = RAW_LINES
bindgen.additional_clang_flags = ["-x", "c++", "-std=c++17"]

# Avoid bringing in all of the C standard types unnecessarily.
bindgen.function_allowlist = [
    "symbolizer_global_init",
    "symbolizer_global_cleanup",
    "symbolizer_new",
    "symbolizer_free",
    "symbolizer_reset",
    "symbolizer_add_module",
    "symbolizer_add_mapping",
    "symbolizer_resolve_address",
]

bindgen.run(
    "src/developer/ffx/lib/symbolize/sys/wrapper.h",
    "src/developer/ffx/lib/symbolize/sys/src/lib.rs",
)