layout/generic/frame-graph.py

   1 # This Source Code Form is subject to the terms of the Mozilla Public
   2 # License, v. 2.0. If a copy of the MPL was not distributed with this
   3 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
   4
   5 """
   6 Take the *.framedata files from graph-frameclasses.js and combine them
   7 into a single graphviz file.
   8
   9 stdin: a list of .framedata file names (e.g. from xargs)
  10 stdout: a graphviz file
  11
  12 e.g. `find <objdir> -name "*.framedata" | python aggregate-frameclasses.py |
  13   dot -Tpng -o frameclasses-graph.png -`
  14 """
  15
  16 import sys
  17
  18 classdict = {}
  19
  20 for line in sys.stdin:
  21     file = line.strip()
  22     fd = open(file)
  23
  24     output = None
  25     for line in fd:
  26         if line.startswith('CLASS-DEF: '):
  27             cname = line[11:-1]
  28             if cname not in classdict:
  29                 output = classdict[cname] = []
  30             else:
  31                 output = None
  32         elif output is not None:
  33             output.append(line)
  34
  35 sys.stdout.write('digraph g {\n')
  36
  37 for olist in classdict.itervalues():
  38     for line in olist:
  39         sys.stdout.write(line)
  40
  41 sys.stdout.write('}\n')