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path: root/build/scripts/run_javac.py
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import sys
import subprocess
import optparse
import os
import re

import build_java_with_error_prone2 as java_error_prone
import setup_java_tmpdir as java_tmpdir


def parse_args():
    parser = optparse.OptionParser()
    parser.disable_interspersed_args()
    parser.add_option('--sources-list')
    parser.add_option('--error-prone')
    parser.add_option('--verbose', default=False, action='store_true')
    parser.add_option('--remove-notes', default=False, action='store_true')
    parser.add_option('--ignore-errors', default=False, action='store_true')
    parser.add_option('--kotlin', default=False, action='store_true')
    parser.add_option('--with-setup-java-tmpdir', default=False, action='store_true')
    return parser.parse_args()


COLORING = {
    r'^(?P<path>.*):(?P<line>\d*): error: (?P<msg>.*)': lambda m: '[[unimp]]{path}[[rst]]:[[alt2]]{line}[[rst]]: [[c:light-red]]error[[rst]]: [[bad]]{msg}[[rst]]'.format(
        path=m.group('path'),
        line=m.group('line'),
        msg=m.group('msg'),
    ),
    r'^(?P<path>.*):(?P<line>\d*): warning: (?P<msg>.*)': lambda m: '[[unimp]]{path}[[rst]]:[[alt2]]{line}[[rst]]: [[c:light-yellow]]warning[[rst]]: {msg}'.format(
        path=m.group('path'),
        line=m.group('line'),
        msg=m.group('msg'),
    ),
    r'^warning: ': lambda m: '[[c:light-yellow]]warning[[rst]]: ',
    r'^error: (?P<msg>.*)': lambda m: '[[c:light-red]]error[[rst]]: [[bad]]{msg}[[rst]]'.format(msg=m.group('msg')),
    r'^Note: ': lambda m: '[[c:light-cyan]]Note[[rst]]: ',
}


def colorize(err):
    for regex, sub in COLORING.iteritems():
        err = re.sub(regex, sub, err, flags=re.MULTILINE)
    return err


def remove_notes(err):
    return '\n'.join([line for line in err.split('\n') if not line.startswith('Note:')])


def main():
    opts, cmd = parse_args()

    if opts.with_setup_java_tmpdir:
        cmd = java_tmpdir.fix_tmpdir(cmd)

    if opts.error_prone:
        cmd = java_error_prone.fix_cmd_line(opts.error_prone, cmd)

    with open(opts.sources_list) as f:
        input_files = f.read().strip().split()

    if opts.kotlin:
        input_files = [i for i in input_files if i.endswith('.kt')]

    if not input_files:
        if opts.verbose:
            sys.stderr.write('No files to compile, javac is not launched.\n')

    else:
        p = subprocess.Popen(cmd, stderr=subprocess.PIPE)
        _, err = p.communicate()
        rc = p.wait()

        if opts.remove_notes:
            err = remove_notes(err)

        try:
            err = colorize(err)

        except Exception:
            pass

        if opts.ignore_errors and rc:
            sys.stderr.write('error: javac actually failed with exit code {}\n'.format(rc))
            rc = 0
        sys.stderr.write(err)
        sys.exit(rc)


if __name__ == '__main__':
    main()