# HG changeset patch
# User Paul Boddie <paul@boddie.org.uk>
# Date 1232227999 -3600
# Node ID d213a26b1846790bd50dc66510f161691b15bff2
# Parent  839a5b14e2636769b17a9608515ed6520ff3d255
Insist on Const instances as keys for the constants dictionary, ensuring that
distinct values are recognised, particularly True and 1, False and 0.

diff -r 839a5b14e263 -r d213a26b1846 micropython/__init__.py
--- a/micropython/__init__.py	Fri Jan 16 00:52:04 2009 +0100
+++ b/micropython/__init__.py	Sat Jan 17 22:33:19 2009 +0100
@@ -499,16 +499,17 @@
 
         "Return a constant for the given 'value'."
 
-        return self.constant_values[value]
+        const = micropython.data.Const(value)
+        return self.constant_values[const]
 
     def make_constant(self, value):
 
         "Make and return a constant for the given 'value'."
 
-        if not self.constant_values.has_key(value):
-            const = micropython.data.Const(value)
-            self.constant_values[value] = const
-        return self.constant_values[value]
+        const = micropython.data.Const(value)
+        if not self.constant_values.has_key(const):
+            self.constant_values[const] = const
+        return self.constant_values[const]
 
     def constants(self):
 
diff -r 839a5b14e263 -r d213a26b1846 micropython/data.py
--- a/micropython/data.py	Fri Jan 16 00:52:04 2009 +0100
+++ b/micropython/data.py	Sat Jan 17 22:33:19 2009 +0100
@@ -349,7 +349,7 @@
     # Support constants as dictionary keys in order to build constant tables.
 
     def __eq__(self, other):
-        return self.value == other.value
+        return self.value == other.value and self.value.__class__ is other.value.__class__
 
     def __hash__(self):
         return hash(self.value)