layout/generic/frame-graph.py

   1 """
   2 Take the *.framedata files from graph-frameclasses.js and combine them
   3 into a single graphviz file.
   4
   5 stdin: a list of .framedata file names (e.g. from xargs)
   6 stdout: a graphviz file
   7
   8 e.g. `find <objdir> -name "*.framedata" | python aggregate-frameclasses.py |
   9   dot -Tpng -o frameclasses-graph.png -`
  10 """
  11
  12 import sys
  13
  14 classdict = {}
  15
  16 for line in sys.stdin:
  17     file = line.strip()
  18     fd = open(file)
  19
  20     output = None
  21     for line in fd:
  22         if line.startswith('CLASS-DEF: '):
  23             cname = line[11:-1]
  24             if cname not in classdict:
  25                 output = classdict[cname] = []
  26             else:
  27                 output = None
  28         elif output is not None:
  29             output.append(line)
  30
  31 sys.stdout.write('digraph g {\n')
  32
  33 for olist in classdict.itervalues():
  34     for line in olist:
  35         sys.stdout.write(line)
  36
  37 sys.stdout.write('}\n')