#!/usr/bin/env python
# tiny cross referencer written in Python
#
import math, fileinput, re, string, sys
name = r"[A-Za-z_][A-Za-z_0-9]*"
# pass 1
xref = {}
m = re.compile(name)
for line in fileinput.input():
for w in m.findall(line):
try:
if not fileinput.lineno() in xref[w]:
xref[w].append(fileinput.lineno())
except KeyError:
xref[w] = [ fileinput.lineno() ]
# obtain prameter for output
keys = xref.keys()
namefmt = "%" + `max(map(len, keys))` + "s"
lnofmt = "%" + `math.ceil(math.log10(fileinput.lineno()))` + "d"
# pass 2
keys.sort(lambda a, b: cmp(string.lower(a), string.lower(b)))
for w in keys:
print namefmt % w + ":",
for lno in xref[w]:
print lnofmt % lno,
print
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