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#!/usr/bin/env python
# -*- coding: utf-8-with-signature-unix; fill-column: 77 -*-
# -*- indent-tabs-mode: nil -*-
# This file is part of pyutil; see README.rst for licensing terms.
import bindann
bindann.install_exception_handler()
import sys
inf = open(sys.argv[1], "r")
outf = open(sys.argv[1]+".dot", "w")
outf.write("digraph %s {\n" % sys.argv[1].replace(".",""))
def parse_netstring(l, i):
try:
j = l.find(':', i)
if j == -1:
return (None, len(l),)
lenval = int(l[i:j])
val = l[j+1:j+1+lenval]
# skip the comma
assert l[j+1+lenval] == ","
return (val, j+1+lenval+1,)
except Exception as le:
le.args = tuple(le.args + (l, i,))
raise
def parse_ref(l, i):
(attrname, i,) = parse_netstring(l, i)
j = l.find(",", i)
assert j != -1
objid = l[i:j]
return (objid, attrname, j+1,)
def parse_memdump_line(l):
result = []
i = l.find('-')
objid = l[:i]
(objdesc, i,) = parse_netstring(l, i+1)
result.append((objid, objdesc,))
while i != -1 and i < len(l):
(objid, attrname, i,) = parse_ref(l, i)
result.append((objid, attrname,))
return result
for l in inf:
if l[-1] != "\n":
raise "waht the HECK? %r" % l
res = parse_memdump_line(l.strip())
# declare the node
outf.write("\"%s\" [label=\"%s\"];\n" % (res[0][0], res[0][1],))
# declare all the edges
for edge in res[1:]:
if edge[1]:
# a named edge
outf.write("\"%s\" -> \"%s\" [style=bold, label=\"%s\"];\n" % (res[0][0], edge[0], edge[1],))
else:
# an anonymous edge
outf.write("\"%s\" -> \"%s\";\n" % (res[0][0], edge[0]))
outf.write("}")
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