mercurial/parser.py

34042:c0170d88ed2b

        simplified.append(simplifyinfixops(r, targetnodes))
        x = l
    simplified.append(simplifyinfixops(x, targetnodes))
    simplified.append(op)
    return tuple(reversed(simplified))

def parseerrordetail(inst):
    """Compose error message from specified ParseError object
    """
    if len(inst.args) > 1:

34043:90896b61fe26

        simplified.append(simplifyinfixops(r, targetnodes))
        x = l
    simplified.append(simplifyinfixops(x, targetnodes))
    simplified.append(op)
    return tuple(reversed(simplified))

def _buildtree(template, placeholder, replstack):
    if template == placeholder:
        return replstack.pop()
    if not isinstance(template, tuple):
        return template
    return tuple(_buildtree(x, placeholder, replstack) for x in template)

def buildtree(template, placeholder, *repls):
    """Create new tree by substituting placeholders by replacements

    >>> _ = ('symbol', '_')
    >>> def f(template, *repls):
    ...     return buildtree(template, _, *repls)
    >>> f(('func', ('symbol', 'only'), ('list', _, _)),
    ...   ('symbol', '1'), ('symbol', '2'))
    ('func', ('symbol', 'only'), ('list', ('symbol', '1'), ('symbol', '2')))
    >>> f(('and', _, ('not', _)), ('symbol', '1'), ('symbol', '2'))
    ('and', ('symbol', '1'), ('not', ('symbol', '2')))
    """
    if not isinstance(placeholder, tuple):
        raise error.ProgrammingError('placeholder must be a node tuple')
    replstack = list(reversed(repls))
    r = _buildtree(template, placeholder, replstack)
    if replstack:
        raise error.ProgrammingError('too many replacements')
    return r

def parseerrordetail(inst):
    """Compose error message from specified ParseError object
    """
    if len(inst.args) > 1: