jython-checkins

[Finn B. <bc...@us...>]

Update of /cvsroot/jython/jython/org/python/core
In directory usw-pr-cvs1:/tmp/cvs-serv7458

Modified Files:
	Py.java PyInstance.java PySystemState.java __builtin__.java 
Log Message:
Support for the NotImplemented builtin and its use with rich comparison.

Fix for "[ #490230 ] NotImplemented not implemented".



Index: Py.java
===================================================================
RCS file: /cvsroot/jython/jython/org/python/core/Py.java,v
retrieving revision 2.60
retrieving revision 2.61
diff -C2 -d -r2.60 -r2.61
*** Py.java	2001/12/06 19:30:32	2.60
--- Py.java	2001/12/16 13:04:02	2.61
***************
*** 22,25 ****
--- 22,28 ----
      public static PyObject Ellipsis;
  
+     /** The singleton NotImplemented Python object. Used in rich comparison */
+     public static PyObject NotImplemented;
+ 
      /** A zero-length array of Strings to pass to functions that
          don't have any keyword arguments **/

Index: PyInstance.java
===================================================================
RCS file: /cvsroot/jython/jython/org/python/core/PyInstance.java,v
retrieving revision 2.27
retrieving revision 2.28
diff -C2 -d -r2.27 -r2.28
*** PyInstance.java	2001/11/06 16:48:37	2.27
--- PyInstance.java	2001/12/16 13:04:02	2.28
***************
*** 425,450 ****
      }
  
      public PyObject __lt__(PyObject o) {
!         return invoke_ex("__lt__", o);
      }
  
      public PyObject __le__(PyObject o) {
!         return invoke_ex("__le__", o);
      }
  
      public PyObject __gt__(PyObject o) {
!         return invoke_ex("__gt__", o);
      }
  
      public PyObject __ge__(PyObject o) {
!         return invoke_ex("__ge__", o);
      }
  
      public PyObject __eq__(PyObject o) {
!         return invoke_ex("__eq__", o);
      }
  
      public PyObject __ne__(PyObject o) {
!         return invoke_ex("__ne__", o);
      }
  
--- 425,457 ----
      }
  
+     private PyObject invoke_ex_richcmp(String name, PyObject o) {
+         PyObject ret = invoke_ex(name, o);
+         if (ret == Py.NotImplemented)
+             return null;
+         return ret;
+     }
+ 
      public PyObject __lt__(PyObject o) {
!         return invoke_ex_richcmp("__lt__", o);
      }
  
      public PyObject __le__(PyObject o) {
!         return invoke_ex_richcmp("__le__", o);
      }
  
      public PyObject __gt__(PyObject o) {
!         return invoke_ex_richcmp("__gt__", o);
      }
  
      public PyObject __ge__(PyObject o) {
!         return invoke_ex_richcmp("__ge__", o);
      }
  
      public PyObject __eq__(PyObject o) {
!         return invoke_ex_richcmp("__eq__", o);
      }
  
      public PyObject __ne__(PyObject o) {
!         return invoke_ex_richcmp("__ne__", o);
      }
  

Index: PySystemState.java
===================================================================
RCS file: /cvsroot/jython/jython/org/python/core/PySystemState.java,v
retrieving revision 2.70
retrieving revision 2.71
diff -C2 -d -r2.70 -r2.71
*** PySystemState.java	2001/12/06 14:31:12	2.70
--- PySystemState.java	2001/12/16 13:04:02	2.71
***************
*** 394,397 ****
--- 394,398 ----
      private static void initStaticFields() {
          Py.None = new PyNone();
+         Py.NotImplemented = new PyNotImplemented();
          Py.NoKeywords = new String[0];
          Py.EmptyObjects = new PyObject[0];

Index: __builtin__.java
===================================================================
RCS file: /cvsroot/jython/jython/org/python/core/__builtin__.java,v
retrieving revision 2.39
retrieving revision 2.40
diff -C2 -d -r2.39 -r2.40
*** __builtin__.java	2001/11/27 19:07:21	2.39
--- __builtin__.java	2001/12/16 13:04:02	2.40
***************
*** 111,114 ****
--- 111,115 ----
      public static void classDictInit(PyObject dict) {
          dict.__setitem__("None", Py.None);
+         dict.__setitem__("NotImplemented", Py.NotImplemented);
          dict.__setitem__("Ellipsis", Py.Ellipsis);