--- a/python/ppci/errors.py	Fri Jul 05 11:18:58 2013 +0200
+++ b/python/ppci/errors.py	Fri Jul 05 13:00:03 2013 +0200
@@ -11,9 +11,14 @@
         self.loc = loc
         if loc:
             assert type(loc) is SourceLocation, '{0} must be SourceLocation'.format(type(loc))
+            self.row = loc.row
+            self.col = loc.col
+        else:
+            self.row = self.col = None
+
     def __repr__(self):
-        if self.loc:
-            return 'Compilererror: "{0}" at row {1}'.format(self.msg, self.loc.row)
+        if self.row:
+            return 'Compilererror: "{0}" at row {1}'.format(self.msg, self.row)
         else:
             return 'Compilererror: "{0}"'.format(self.msg)
 
@@ -24,7 +29,7 @@
         print('Error: {0}'.format(e.msg))
      else:
         lines = source.split('\n')
-        ro, co = e.loc.row, e.loc.col
+        ro, co = e.row, e.col
         prerow = ro - 2
         if prerow < 1:
            prerow = 1
@@ -45,12 +50,16 @@
 class DiagnosticsManager:
    def __init__(self):
       self.diags = []
+
    def addDiag(self, d):
       self.diags.append(d)
+
    def error(self, msg, loc):
       self.addDiag(CompilerError(msg, loc))
+
    def clear(self):
       del self.diags[:]
+
    def printErrors(self, src):
       if len(self.diags) > 0:
          print('{0} Errors'.format(len(self.diags)))