1 files changed, 110 insertions, 0 deletions
diff --git a/showvars.py b/showvars.py
new file mode 100755
index 0000000..376f804
--- /dev/null
+++ b/showvars.py
@@ -0,0 +1,110 @@
+#!/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