mercurial/revset.py

29440:009cc6c89d0f

        pos += 1
    yield ('end', None, pos)

# helpers

def getstring(x, err):
    if x and (x[0] == 'string' or x[0] == 'symbol'):
        return x[1]
    raise error.ParseError(err)

def keyvaluepair(repo, subset, k, v):
    raise error.ParseError(_("can't use a key-value pair in this context"))

def func(repo, subset, a, b):
    if a[0] == 'symbol' and a[1] in symbols:
        return symbols[a[1]](repo, subset, b)

    keep = lambda fn: getattr(fn, '__doc__', None) is not None

    syms = [s for (s, fn) in symbols.items() if keep(fn)]
    raise error.UnknownIdentifier(a[1], syms)

# functions

# symbols are callables like:
#   fn(repo, subset, x)

    >>> f('ancestors(A)', 'not ancestors(B)')
    ('list', ('symbol', 'A'), ('symbol', 'B'))
    """
    if (revs is not None
        and revs[0] == 'func'
        and getstring(revs[1], _('not a symbol')) == 'ancestors'
        and bases is not None
        and bases[0] == 'not'
        and bases[1][0] == 'func'
        and getstring(bases[1][1], _('not a symbol')) == 'ancestors'):
        return ('list', revs[2], bases[1][2])

def _optimize(x, small):
    if x is None:
        return 0, x

        return wa + wb, (op, ta, tb)
    elif op == 'list':
        ws, ts = zip(*(_optimize(y, small) for y in x[1:]))
        return sum(ws), (op,) + ts
    elif op == 'func':
        f = getstring(x[1], _("not a symbol"))
        wa, ta = _optimize(x[2], small)
        if f in ("author branch closed date desc file grep keyword "
                 "outgoing user"):
            w = 10 # slow
        elif f in "modifies adds removes":

29441:9e8d258708bb

        pos += 1
    yield ('end', None, pos)

# helpers

def getsymbol(x):
    if x and x[0] == 'symbol':
        return x[1]
    raise error.ParseError(_('not a symbol'))

def getstring(x, err):
    if x and (x[0] == 'string' or x[0] == 'symbol'):
        return x[1]
    raise error.ParseError(err)

def keyvaluepair(repo, subset, k, v):
    raise error.ParseError(_("can't use a key-value pair in this context"))

def func(repo, subset, a, b):
    f = getsymbol(a)
    if f in symbols:
        return symbols[f](repo, subset, b)

    keep = lambda fn: getattr(fn, '__doc__', None) is not None

    syms = [s for (s, fn) in symbols.items() if keep(fn)]
    raise error.UnknownIdentifier(f, syms)

# functions

# symbols are callables like:
#   fn(repo, subset, x)

    >>> f('ancestors(A)', 'not ancestors(B)')
    ('list', ('symbol', 'A'), ('symbol', 'B'))
    """
    if (revs is not None
        and revs[0] == 'func'
        and getsymbol(revs[1]) == 'ancestors'
        and bases is not None
        and bases[0] == 'not'
        and bases[1][0] == 'func'
        and getsymbol(bases[1][1]) == 'ancestors'):
        return ('list', revs[2], bases[1][2])

def _optimize(x, small):
    if x is None:
        return 0, x

        return wa + wb, (op, ta, tb)
    elif op == 'list':
        ws, ts = zip(*(_optimize(y, small) for y in x[1:]))
        return sum(ws), (op,) + ts
    elif op == 'func':
        f = getsymbol(x[1])
        wa, ta = _optimize(x[2], small)
        if f in ("author branch closed date desc file grep keyword "
                 "outgoing user"):
            w = 10 # slow
        elif f in "modifies adds removes":