#!/usr/bin/python
# must be started in the npc dir
import os
import re
from optparse import OptionParser
parser = OptionParser()
parser.add_option("-v", "--verbose", dest="verbose", action="store_true", default=False,
help="show the occurrences of that var")
parser.add_option("-f", "--file", dest="fname", default="",
help="inspect that file", metavar="FILE")
parser.add_option("-l", "--localvariables", dest="localvars", action="store_true", default=False,
help="show local variables as well")
(options, args) = parser.parse_args()
def handleFile(fname):
f = open(fname)
lines = f.readlines();
f.close()
rm=[]
for l in lines:
#remove comments
line = l.split(r"//")[0]
sp = line.split()
# no set command?
if not "set" in sp:
continue
# ignore those lines printing messages
if 'mes "' in line:
continue
#ignore anything before the "set" command:
sp = sp[sp.index("set")+1:]
line = "".join(sp)
endpos = line.find(",")
#check for comma
if endpos>0:
#ok its a oneliner, the comma is in the same line:
varname = line[0:endpos].strip()
assignment = line[endpos+1:].strip()[:-1] # remove semicolon
if assignment != "0":
if varname.startswith("@") and not options.localvars:
continue
if varname.startswith("$"):
continue
if varname in allvars:
if not fname in allvars[varname]:
allvars[varname] += [fname]
else:
allvars[varname] = [fname]
else:
#print fname
if fname == "." + os.sep + "functions" + os.sep + "clear_vars.txt":
rm += [varname]
else:
# ok error, you need to check manually:
print "\tline:\t",line
return rm
if options.fname:
path=options.fname
else:
path=".."+os.sep+"npc"
allvars = {}
rmvars = []
print "please check manully for vars in here:"
os.chdir(path)
for tpl in os.walk("."):
for fname in tpl[2]:
rmvars += handleFile(tpl[0]+os.sep+fname)
unusedcounter=0
usedcounter=0
print "These variables are found in the scripts, which are deleted in clear_vars"
for var in allvars:
if not var in rmvars:
continue
unusedcounter+=1
print "\t",var
if options.verbose:
for fname in allvars[var]:
print "\t","\t", fname
print "These variables are valid variables of the scripts:"
for var in allvars:
if var in rmvars:
continue
usedcounter+=1
print "\t",var
if options.verbose:
for fname in allvars[var]:
print "\t","\t", fname
print "number of vars used:", usedcounter
print "number of vars cleared:", unusedcounter
