[Wisp-cvs] wisp/users/dig tran.py,1.34,1.35

[<di...@us...>]

Update of /cvsroot/wisp/wisp/users/dig
In directory sc8-pr-cvs1:/tmp/cvs-serv20670

Modified Files:
	tran.py 
Log Message:
let Symbol_Literal inherit from Summable

Index: tran.py
===================================================================
RCS file: /cvsroot/wisp/wisp/users/dig/tran.py,v
retrieving revision 1.34
retrieving revision 1.35
diff -u -d -r1.34 -r1.35
--- tran.py	22 Apr 2003 10:24:03 -0000	1.34
+++ tran.py	22 Apr 2003 10:36:45 -0000	1.35
@@ -43,7 +43,7 @@
         return 'Integer_Literal(%i)' % long(this)
     def get_scalar (this):
         return long(this)
-class Symbol_Literal (str, Stackable):
+class Symbol_Literal (str, Stackable, Summable):
     def __new__ (cls, s):
         return str.__new__(cls, s)
     def __repr__ (this):
@@ -56,6 +56,8 @@
         if not isinstance(this, Constant_Sum): this = Constant_Sum(this)
         if not isinstance(that, Constant_Sum): that = Constant_Sum(that)
         return this - that
+    def get_pos_symbols (this):
+        return this,
 
 class Unique (object):
     def __init__ (this, name):