Nicer code for generating the caches

interface/HUTN/hutn_compiler/hutnparser.py

@@ -335,28 +335,25 @@ class Parser(object):
             return
 
         line_cache[self] = []
-
         lc = line_cache[self]
 
-        l = len(self.input)
         line = 1
         column = 0
-        pos = 0
 
-        while pos < l:
-            if self.input[pos] == "\n":
+        for i in self.input:
+            if i == "\n":
                 line += 1
                 column = 0
-            elif self.input[pos] == "\t":
+            elif i == "\t":
                 column += self.tabsize
             else:
                 column += 1
             lc.append((line, column))
-            pos += 1
 
     def convertToLineColumn(self, pos):
         global line_cache
         self.generate_line_cache()
+
         if pos > len(line_cache[self]):
             return {'line': line_cache[self][pos][0], 'column': line_cache[self][pos][1]}
         else: