comparison mercurial/match.py @ 40776:ce401300f981

match: extract function that group regexps

40775:4e02f25f31c6

    else:
        return regex, lambda f: any(mf(f) for mf in matchfuncs)

MAX_RE_SIZE = 20000

def _buildregexmatch(kindpats, globsuffix):
    """Build a match function from a list of kinds and kindpats,
    return regexp string and a matcher function.

    Test too large input

    Traceback (most recent call last):
    ...
    OverflowError
    """
    try:
        regex = '(?:%s)' % '|'.join([_regex(k, p, globsuffix)
                                     for (k, p, s) in kindpats])
        if len(regex) <= MAX_RE_SIZE:
            return regex, _rematcher(regex)
        # We're using a Python with a tiny regex engine and we
        # made it explode, so we'll divide the pattern list in two

40776:ce401300f981

    else:
        return regex, lambda f: any(mf(f) for mf in matchfuncs)

MAX_RE_SIZE = 20000

def _joinregexes(regexps):
    """gather multiple regular expressions into a single one"""
    return '(?:%s)' % '|'.join(regexps)

def _buildregexmatch(kindpats, globsuffix):
    """Build a match function from a list of kinds and kindpats,
    return regexp string and a matcher function.

    Test too large input

    Traceback (most recent call last):
    ...
    OverflowError
    """
    try:
        regex = _joinregexes([_regex(k, p, globsuffix)
                                     for (k, p, s) in kindpats])
        if len(regex) <= MAX_RE_SIZE:
            return regex, _rematcher(regex)
        # We're using a Python with a tiny regex engine and we
        # made it explode, so we'll divide the pattern list in two