#!/usr/bin/python3

# Copyright © 2012, 2013 Jakub Wilk <jwilk@jwilk.net>
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the “Software”), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.

import ast
import os
import sys

basedir = os.path.join(
    os.path.dirname(__file__),
    os.pardir,
)
sys.path[:0] = [basedir]

from lib import tags

def extract_tagnames(node):
    for child in ast.iter_child_nodes(node):
        for t in extract_tagnames(child):
            yield t
    if (
        isinstance(node, ast.Call) and
        isinstance(node.func, ast.Attribute) and
        node.func.attr == 'tag' and
        node.args and
        isinstance(node.args[0], ast.Str)
    ):
        yield node.args[0].s

def main():
    source_path = os.path.join(basedir, 'lib', 'checker.py')
    with open(source_path, 'rt', encoding='UTF-8') as file:
        source = file.read()
        node = ast.parse(source, filename=source_path)
        tagnames = set(extract_tagnames(node))
        del source, node
    for tagname in sorted(tagnames):
        if tags.tag_exists(tagname):
            continue
        print('[{tag}]'.format(tag=tagname))
        print('severity = wishlist')
        print('certainty = wild-guess')
        print()

if __name__ == '__main__':
    main()

# vim:ts=4 sw=4 et
