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# Copyright 2016 The Meson development team

# 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

#     http://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 __future__ import annotations

import subprocess
import shutil
import tempfile
from ..environment import detect_ninja, detect_scanbuild
from ..coredata import get_cmd_line_file, CmdLineFileParser
from ..mesonlib import windows_proof_rmtree
from pathlib import Path
import typing as T
from ast import literal_eval
import os

def scanbuild(exelist: T.List[str], srcdir: Path, blddir: Path, privdir: Path, logdir: Path, args: T.List[str]) -> int:
    # In case of problems leave the temp directory around
    # so it can be debugged.
    scandir = tempfile.mkdtemp(dir=str(privdir))
    meson_cmd = exelist + args
    build_cmd = exelist + ['-o', str(logdir)] + detect_ninja() + ['-C', scandir]
    rc = subprocess.call(meson_cmd + [str(srcdir), scandir])
    if rc != 0:
        return rc
    rc = subprocess.call(build_cmd)
    if rc == 0:
        windows_proof_rmtree(scandir)
    return rc

def run(args: T.List[str]) -> int:
    srcdir = Path(args[0])
    bldpath = Path(args[1])
    blddir = args[1]
    meson_cmd = args[2:]
    privdir = bldpath / 'meson-private'
    logdir = bldpath / 'meson-logs' / 'scanbuild'
    shutil.rmtree(str(logdir), ignore_errors=True)

    # if any cross or native files are specified we should use them
    cmd = get_cmd_line_file(blddir)
    data = CmdLineFileParser()
    data.read(cmd)

    if 'cross_file' in data['properties']:
        meson_cmd.extend([f'--cross-file={os.path.abspath(f)}' for f in literal_eval(data['properties']['cross_file'])])

    if 'native_file' in data['properties']:
        meson_cmd.extend([f'--native-file={os.path.abspath(f)}' for f in literal_eval(data['properties']['native_file'])])

    exelist = detect_scanbuild()
    if not exelist:
        print('Could not execute scan-build "%s"' % ' '.join(exelist))
        return 1

    return scanbuild(exelist, srcdir, bldpath, privdir, logdir, meson_cmd)