IE JS Syntax

ie_js_syntax.py

#!/usr/bin/python
import sys, re, os

SCAN_EXTENSIONS = ["js", "html", "php", "py", "rb"]

def error_in_line(line):
   return True if re.search(",}", line) else False# Check inside a line

def search_file(filename):
   try:
      f = open(filename, 'r')
   except:
      print "Skipping file " + str(filename) + "..."
      return

   content = f.read().replace("\t", "").replace(" ", "").split("\n")

   i=0
   while i < len(content):
      if error_in_line(content[i]): # Check inside a line
         print "Found possible error in file " + filename + " on line " + str(i+1)
      elif i < len(content)-1:
         joined_line = content[i] + content[i+1]
         if error_in_line(joined_line) and not error_in_line(content[i+1]): # Check between two lines
            print "Found possible error in file " + filename + " between line " + str(i+1) + " and " + str(i+2)
      i += 1 

def rec_search(dir_name):
   for f in os.listdir(dir_name):
      if os.path.isdir(dir_name + "/" + f):
         rec_search(dir_name + "/" + f) 
      elif (dir_name + "/" + f).split(".")[-1].lower() in SCAN_EXTENSIONS:
         search_file(dir_name + "/" + f) 

if len(sys.argv) != 2:
   print "Usage: js_syntax_ie.py file.js"
   sys.exit(1)

if os.path.isdir(sys.argv[1]):
   rec_search(sys.argv[1])
else:
   search_file(sys.argv[1])