[pypy-commit] pypy numpy-exp: Mark some things as immutable fields.

[alex_gaynor]

Author: Alex Gaynor <alex.gaynor at gmail.com>
Branch: numpy-exp
Changeset: r44170:a082dbb10f67
Date: 2011-05-14 16:22 -0500
http://bitbucket.org/pypy/pypy/changeset/a082dbb10f67/

Log:	Mark some things as immutable fields.

diff --git a/pypy/module/micronumpy/interp_numarray.py b/pypy/module/micronumpy/interp_numarray.py
--- a/pypy/module/micronumpy/interp_numarray.py
+++ b/pypy/module/micronumpy/interp_numarray.py
@@ -69,6 +69,7 @@
     """
     Intermediate class representing a float literal.
     """
+    _immutable_fields_ = ["float_value"]
 
     def __init__(self, float_value):
         BaseArray.__init__(self)
@@ -122,6 +123,7 @@
     """
     Intermediate class for performing binary operations.
     """
+    _immutable_fields_ = ["opcode", "left", "right"]
 
     def __init__(self, opcode, left, right):
         VirtualArray.__init__(self)
@@ -153,6 +155,8 @@
             raise NotImplementedError("Don't know opcode %s" % self.opcode)
 
 class Call(VirtualArray):
+    _immutable_fields_ = ["function", "values"]
+
     def __init__(self, function, values):
         VirtualArray.__init__(self)
         self.function = function