mercurial/revset.py

28873:2ca3b7c563f3

    examine whether ``$`` is used also for unexpected symbols or not.
    """
    return tokenize(program, lookup=lookup,
                    syminitletters=_aliassyminitletters)

def _parsealiasdecl(decl):
    """Parse alias declaration ``decl``

    >>> _parsealiasdecl('foo($1)')
    ('func', ('symbol', 'foo'), ('symbol', '$1'))
    >>> _parsealiasdecl('foo bar')
    Traceback (most recent call last):
      ...
    ParseError: ('invalid token', 4)
    """
    p = parser.parser(elements)
    tree, pos = p.parse(_tokenizealias(decl))
    if pos != len(decl):
        raise error.ParseError(_('invalid token'), pos)
    return parser.simplifyinfixops(tree, ('list',))

def _parsealiasdefn(defn):
    """Parse alias definition ``defn``"""
    p = parser.parser(elements)
    tree, pos = p.parse(_tokenizealias(defn))
    if pos != len(defn):
        raise error.ParseError(_('invalid token'), pos)
    return parser.simplifyinfixops(tree, ('list', 'or'))

class _aliasrules(parser.basealiasrules):
    """Parsing and expansion rule set of revset aliases"""
    _section = _('revset alias')
    _parsedecl = staticmethod(_parsealiasdecl)
    _parsedefn = staticmethod(_parsealiasdefn)
    _getlist = staticmethod(getlist)

class revsetalias(object):
    # whether own `error` information is already shown or not.
    # this avoids showing same warning multiple times at each `findaliases`.

28874:552eabef663b

    examine whether ``$`` is used also for unexpected symbols or not.
    """
    return tokenize(program, lookup=lookup,
                    syminitletters=_aliassyminitletters)

def _parsealias(spec):
    """Parse alias declaration/definition ``spec``

    >>> _parsealias('foo($1)')
    ('func', ('symbol', 'foo'), ('symbol', '$1'))
    >>> _parsealias('foo bar')
    Traceback (most recent call last):
      ...
    ParseError: ('invalid token', 4)
    """
    p = parser.parser(elements)
    tree, pos = p.parse(_tokenizealias(spec))
    if pos != len(spec):
        raise error.ParseError(_('invalid token'), pos)
    return parser.simplifyinfixops(tree, ('list', 'or'))

class _aliasrules(parser.basealiasrules):
    """Parsing and expansion rule set of revset aliases"""
    _section = _('revset alias')
    _parsedecl = staticmethod(_parsealias)
    _parsedefn = staticmethod(_parsealias)
    _getlist = staticmethod(getlist)

class revsetalias(object):
    # whether own `error` information is already shown or not.
    # this avoids showing same warning multiple times at each `findaliases`.