[pypy-svn] r36529 - in pypy/dist/pypy/lang/js: . test

[santagada at codespeak.net]

Author: santagada
Date: Thu Jan 11 19:56:10 2007
New Revision: 36529

Modified:
   pypy/dist/pypy/lang/js/interpreter.py
   pypy/dist/pypy/lang/js/test/test_interp.py
Log:
NOT unary operator


Modified: pypy/dist/pypy/lang/js/interpreter.py
==============================================================================
--- pypy/dist/pypy/lang/js/interpreter.py	(original)
+++ pypy/dist/pypy/lang/js/interpreter.py	Thu Jan 11 19:56:10 2007
@@ -527,6 +527,13 @@
     def eval(self, ctx):
         return W_Boolean(self.bool)
 
+class Not(Expression):
+    def __init__(self, op):
+        self.op = op
+    
+    def eval(self, ctx):
+        return W_Boolean(not self.op.eval(ctx).GetValue().ToBoolean())
+
 def getlist(t):
     item = gettreeitem(t, 'length')
     if item is None:
@@ -689,5 +696,7 @@
         return Boolean(True)
     elif tp == 'FALSE':
         return Boolean(False)
+    elif tp == 'NOT':
+        return Not(from_tree(gettreeitem(t, '0')))
     else:
         raise NotImplementedError("Dont know how to handler %s" % tp)

Modified: pypy/dist/pypy/lang/js/test/test_interp.py
==============================================================================
--- pypy/dist/pypy/lang/js/test/test_interp.py	(original)
+++ pypy/dist/pypy/lang/js/test/test_interp.py	Thu Jan 11 19:56:10 2007
@@ -356,6 +356,12 @@
         print(y)
         print(x)""", ["true", "false"])
         
+    def test_unarynot(self):
+        self.assert_prints("""
+        var x = false;
+        print(!x)
+        print(!!x)""", ["true", "false"])
+
     def test_smallthings(self):
         py.test.skip(" TODO: needed for mozilla test suite")
         x = """