[pypy-svn] r66439 - in pypy/branch/parser-compiler/pypy/interpreter/astcompiler: . test

[benjamin at codespeak.net]

Author: benjamin
Date: Mon Jul 20 16:38:29 2009
New Revision: 66439

Modified:
   pypy/branch/parser-compiler/pypy/interpreter/astcompiler/codegen.py
   pypy/branch/parser-compiler/pypy/interpreter/astcompiler/test/test_compiler.py
Log:
implement attribute deletion

Modified: pypy/branch/parser-compiler/pypy/interpreter/astcompiler/codegen.py
==============================================================================
--- pypy/branch/parser-compiler/pypy/interpreter/astcompiler/codegen.py	(original)
+++ pypy/branch/parser-compiler/pypy/interpreter/astcompiler/codegen.py	Mon Jul 20 16:38:29 2009
@@ -1019,6 +1019,10 @@
             self.emit_op_name(ops.STORE_ATTR, names, attr.attr)
         elif attr.ctx == ast.Store:
             self.emit_op_name(ops.STORE_ATTR, names, attr.attr)
+        elif attr.ctx == ast.Del:
+            self.emit_op_name(ops.DELETE_ATTR, names, attr.attr)
+        else:
+            raise AssertionError("unknown context")
 
     def _simple_slice(self, slc, ctx):
         slice_offset = 0

Modified: pypy/branch/parser-compiler/pypy/interpreter/astcompiler/test/test_compiler.py
==============================================================================
--- pypy/branch/parser-compiler/pypy/interpreter/astcompiler/test/test_compiler.py	(original)
+++ pypy/branch/parser-compiler/pypy/interpreter/astcompiler/test/test_compiler.py	Mon Jul 20 16:38:29 2009
@@ -715,6 +715,18 @@
     def test_backquote_repr(self):
         yield self.st, "x = None; y = `x`", "y", "None"
 
+    def test_deleting_attributes(self):
+        test = """class X():
+   x = 3
+del X.x
+try:
+    X.x
+except AttributeError:
+    pass
+else:
+    raise AssertionError("attribute not removed")"""
+        yield self.st, test, "X.__name__", "X"
+
 
 class AppTestPrint: