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#!/usr/bin/env python3

# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

# The Universal Permissive License (UPL), Version 1.0

# Subject to the condition set forth below, permission is hereby granted to any

# person obtaining a copy of this software, associated documentation and/or

# data (collectively the "Software"), free of charge and under any and all

# copyright rights in the Software, and any and all patent rights owned or

# freely licensable by each licensor hereunder covering either (i) the

# unmodified Software as contributed to or provided by such licensor, or (ii)

# the Larger Works (as defined below), to deal in both

# (a) the Software, and

# (b) any piece of software and/or hardware listed in the lrgrwrks.txt file if

# one is included with the Software each a "Larger Work" to which the Software

# is contributed by such licensors),

# without restriction, including without limitation the rights to copy, create

# derivative works of, display, perform, and distribute the Software and make,

# use, sell, offer for sale, import, export, have made, and have sold the

# Software and the Larger Work(s), and to sublicense the foregoing rights on

# either these or other terms.

# This license is subject to the following condition:

# The above copyright notice and either this complete permission notice or at a

# minimum a reference to the UPL must 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.

import os

from pathlib import Path

import shutil

import subprocess

import sys

import tempfile

def _find_eclipse():

for path in [

Path(os.environ.get('ECLIPSE_EXE', '')),

Path(os.environ.get('ECLIPSE', '')),

Path(__file__).resolve().parent.parent,

Path(shutil.which('eclipse') or ''),

if path.is_dir():

candidates = [

path / 'eclipse',

path / 'eclipse.exe',

path / 'Eclipse.app' / 'Contents' / 'MacOS' / 'eclipse',

]

else:

candidates = [path]

for candidate in candidates:

if candidate.is_file() and os.access(candidate, os.X_OK):

return candidate

print('Eclipse executable not found; set ECLIPSE_EXE', file=sys.stderr)

sys.exit(1)

def _run_formatter(eclipse, profile, files):

with (

tempfile.TemporaryDirectory(prefix='econf') as configuration_dir,

tempfile.TemporaryDirectory(prefix='ews-') as workspace

command = [

str(eclipse),

'--launcher.suppressErrors',

'-nosplash',

'-configuration',

configuration_dir,

'-application',

'-consolelog',

'-data',

workspace,

'org.eclipse.jdt.core.JavaCodeFormatter',

'-config',

str(profile),

] + [str(path) for path in files]

return subprocess.run(command, stdout=subprocess.PIPE, stderr=subprocess.STDOUT, text=True)

def main(argv=None):

files = [Path(path).absolute() for path in sys.argv[1:] if path.endswith('.java')]

if not files:

return 0

profile = (

Path(__file__).resolve().parent.parent /

'mx.graalpython' /

'eclipse-settings' /

'org.eclipse.jdt.core.prefs'

)

eclipse = _find_eclipse()

original_contents = [path.read_bytes() for path in files]

try:

result = _run_formatter(eclipse, profile, files)

except OSError as error:

print(f'error: could not run Eclipse formatter: {error}', file=sys.stderr)

sys.exit(1)

if result.returncode != 0:

if result.stdout:

print(result.stdout, end='', file=sys.stderr)

print(f'error: Eclipse formatter exited with status {result.returncode}', file=sys.stderr)

sys.exit(result.returncode)

for path, original in zip(files, original_contents):

if path.read_bytes() != original:

sys.exit(1)

if __name__ == '__main__':

main()