gecko-dev/layout/style/RunCbindgen.py

53 строки
1.7 KiB
Python

# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
from __future__ import print_function
import buildconfig
import mozpack.path as mozpath
import os
import subprocess
import pytoml
# Try to read the package name or otherwise assume same name as the crate path.
def _get_crate_name(crate_path):
try:
with open(mozpath.join(crate_path, "Cargo.toml")) as f:
return pytoml.load(f)["package"]["name"]
except:
return mozpath.basename(crate_path)
CARGO_LOCK = mozpath.join(buildconfig.topsrcdir, "Cargo.lock")
def generate(output, cbindgen_crate_path, *in_tree_dependencies):
env = os.environ.copy()
env['CARGO'] = str(buildconfig.substs['CARGO'])
p = subprocess.Popen([
buildconfig.substs['CBINDGEN'],
mozpath.join(buildconfig.topsrcdir, "toolkit", "library", "rust"),
"--lockfile",
CARGO_LOCK,
"--crate",
_get_crate_name(cbindgen_crate_path)
], env=env, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
stdout, stderr = p.communicate()
if p.returncode != 0:
print(stdout)
print(stderr)
return p.returncode
output.write(stdout)
deps = set()
deps.add(CARGO_LOCK)
deps.add(mozpath.join(cbindgen_crate_path, "cbindgen.toml"))
for directory in in_tree_dependencies + (cbindgen_crate_path,):
for path, dirs, files in os.walk(directory):
for file in files:
if os.path.splitext(file)[1] == ".rs":
deps.add(mozpath.join(path, file))
return deps