From 770f1ed8f7aeeb52db483dd72a5d4712839f9760 Mon Sep 17 00:00:00 2001
From: Timotej Lazar <timotej.lazar@araneo.org>
Date: Mon, 17 Nov 2014 12:32:19 +0100
Subject: Keep token positions when lexing

This will allow us to match line edits to original source locations.
---
 prolog/engine.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'prolog/engine.py')

diff --git a/prolog/engine.py b/prolog/engine.py
index 6087bbc..299d2eb 100755
--- a/prolog/engine.py
+++ b/prolog/engine.py
@@ -139,7 +139,7 @@ class PrologEngine(object):
         try:
             start = 0
             for idx in range(len(tokens)):
-                if tokens[idx] != ('PERIOD', '.') or idx - start <= 1:
+                if tokens[idx].type != 'PERIOD' or idx - start <= 1:
                     continue
                 rule = stringify(tokens[start:idx])
                 orig_rule = rule
-- 
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