comparison mercurial/revset.py @ 28720:639e0f1e8ffa

parser: move parsererrordetail() function from revset module

This will be used by common alias functions introduced by future patches.

28719:dd2cf90a3731

            raise error.ParseError(_("syntax error in revset '%s'") %
                                   program, pos)
        pos += 1
    yield ('end', None, pos)

def parseerrordetail(inst):
    """Compose error message from specified ParseError object
    """
    if len(inst.args) > 1:
        return _('at %s: %s') % (inst.args[1], inst.args[0])
    else:
        return inst.args[0]

# helpers

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

                        _("argument names collide with each other"))
            return (name, tree[:2], args, None)

        return (decl, None, None, _("invalid format"))
    except error.ParseError as inst:
        return (decl, None, None, parseerrordetail(inst))

def _relabelaliasargs(tree, args):
    if not isinstance(tree, tuple):
        return tree
    op = tree[0]

      ('_aliasarg', '$1')
      ('_aliasarg', 'foo'))
    >>> try:
    ...     _parsealiasdefn('$1 or $bar', args)
    ... except error.ParseError, inst:
    ...     print parseerrordetail(inst)
    '$' not for alias arguments
    >>> args = ['$1', '$10', 'foo']
    >>> print prettyformat(_parsealiasdefn('$10 or foobar', args))
    (or
      ('_aliasarg', '$10')

        try:
            self.replacement = _parsealiasdefn(value, self.args)
        except error.ParseError as inst:
            self.error = _('failed to parse the definition of revset alias'
                           ' "%s": %s') % (self.name, parseerrordetail(inst))

def _getalias(aliases, tree):
    """If tree looks like an unexpanded alias, return it. Return None
    otherwise.
    """

28720:639e0f1e8ffa

            raise error.ParseError(_("syntax error in revset '%s'") %
                                   program, pos)
        pos += 1
    yield ('end', None, pos)

# helpers

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

                        _("argument names collide with each other"))
            return (name, tree[:2], args, None)

        return (decl, None, None, _("invalid format"))
    except error.ParseError as inst:
        return (decl, None, None, parser.parseerrordetail(inst))

def _relabelaliasargs(tree, args):
    if not isinstance(tree, tuple):
        return tree
    op = tree[0]

      ('_aliasarg', '$1')
      ('_aliasarg', 'foo'))
    >>> try:
    ...     _parsealiasdefn('$1 or $bar', args)
    ... except error.ParseError, inst:
    ...     print parser.parseerrordetail(inst)
    '$' not for alias arguments
    >>> args = ['$1', '$10', 'foo']
    >>> print prettyformat(_parsealiasdefn('$10 or foobar', args))
    (or
      ('_aliasarg', '$10')

        try:
            self.replacement = _parsealiasdefn(value, self.args)
        except error.ParseError as inst:
            self.error = _('failed to parse the definition of revset alias'
                           ' "%s": %s') % (self.name,
                                           parser.parseerrordetail(inst))

def _getalias(aliases, tree):
    """If tree looks like an unexpanded alias, return it. Return None
    otherwise.
    """