From f5835d85e2ae098aacb3f585bc63bea5c9e7884f Mon Sep 17 00:00:00 2001
From: Jussi Pakkanen <jpakkane@gmail.com>
Date: Fri, 25 Jan 2013 21:59:53 +0200
Subject: Added comparison.

---
 parser.py | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'parser.py')

diff --git a/parser.py b/parser.py
index 96cf1f741..ad2e87f62 100755
--- a/parser.py
+++ b/parser.py
@@ -34,6 +34,8 @@ tokens = ['LPAREN',
           'ATOM',
           'COMMENT',
           'ASSIGN',
+          'EQUALS',
+          'NEQUALS',
           'COMMA',
           'DOT',
           'STRING',
@@ -42,6 +44,8 @@ tokens = ['LPAREN',
           ] + list(reserved.values())
 
 t_ASSIGN = '='
+t_EQUALS = '=='
+t_NEQUALS = '\!='
 t_LPAREN = '\('
 t_RPAREN = '\)'
 t_LBRACKET = '\['
@@ -115,6 +119,11 @@ def p_statement_assign(t):
     'statement : expression ASSIGN statement'
     t[0] = nodes.Assignment(t[1], t[3], t.lineno(1))
 
+def p_statement_equals(t):
+    '''statement : statement EQUALS statement
+                 | statement NEQUALS statement'''
+    t[0] = nodes.Comparison(t[1], t[2], t[3], t.lineno(1))
+
 def p_statement_func_call(t):
     'statement : expression LPAREN args RPAREN'
     t[0] = nodes.FunctionCall(t[1], t[3], t.lineno(1))
-- 
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