author Jon Coppeard <>
Tue, 10 Jan 2017 10:12:14 +0000
changeset 328629 2e1a0c4886c5393498627d394c4f661e6f2ea6b2
parent 94484 f4157e8c410708d76703f19e4dfb61859bfe32d8
permissions -rw-r--r--
Bug 1325406 - Refactor rooting base class templates r=sfink r=mccr8

# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at

Take the *.framedata files from graph-frameclasses.js and combine them
into a single graphviz file.

stdin: a list of .framedata file names (e.g. from xargs)
stdout: a graphviz file

e.g. `find <objdir> -name "*.framedata" | python |
  dot -Tpng -o frameclasses-graph.png -`

import sys

classdict = {}

for line in sys.stdin:
    file = line.strip()
    fd = open(file)

    output = None
    for line in fd:
        if line.startswith('CLASS-DEF: '):
            cname = line[11:-1]
            if cname not in classdict:
                output = classdict[cname] = []
                output = None
        elif output is not None:

sys.stdout.write('digraph g {\n')

for olist in classdict.itervalues():
    for line in olist: