Function python_parser

uncompyle6/parser.py:879–920

Parse a code object to an abstract syntax tree representation. :param version: The python version this code is from as a float, for example 2.6, 2.7, 3.2, 3.3, 3.4, 3.5 etc. :param co: The code object to parse. :param out:

(
    version,
    co,
    out=sys.stdout,
    showasm=False,
    parser_debug=PARSER_DEFAULT_DEBUG,
    is_pypy=False,
)

def python_parser(
    version,
    co,
    out=sys.stdout,
    showasm=False,
    parser_debug=PARSER_DEFAULT_DEBUG,
    is_pypy=False,
):
    """
    Parse a code object to an abstract syntax tree representation.

    :param version:         The python version this code is from as a float, for
                            example 2.6, 2.7, 3.2, 3.3, 3.4, 3.5 etc.
    :param co:              The code object to parse.
    :param out:             File like object to write the output to.
    :param showasm:         Flag which determines whether the disassembled and
                            ingested code is written to sys.stdout or not.
    :param parser_debug:    dict containing debug flags for the spark parser.
    :param is_pypy:         True if we are running PyPY

    :return: Abstract syntax tree representation of the code object.
    """

    assert iscode(co)
    from uncompyle6.scanner import get_scanner

    scanner = get_scanner(version, is_pypy)
    tokens, customize = scanner.ingest(co)
    maybe_show_asm(showasm, tokens)

    # For heavy grammar debugging
    # parser_debug = {'rules': True, 'transition': True, 'reduce' : True,
    #                 'showstack': 'full'}

    p = get_python_parser(version, parser_debug)

    # FIXME: have p.insts update in a better way
    # modularity is broken here
    p.insts = scanner.insts
    p.offset2inst_index = scanner.offset2inst_index

    return parse(p, tokens, customize, co)


if __name__ == "__main__":