Update of /cvsroot/wisp/wisp/users/dig
In directory sc8-pr-cvs1:/tmp/cvs-serv15105
Modified Files:
tran.py
Log Message:
introduced the Summable interface class
Index: tran.py
===================================================================
RCS file: /cvsroot/wisp/wisp/users/dig/tran.py,v
retrieving revision 1.32
retrieving revision 1.33
diff -u -d -r1.32 -r1.33
--- tran.py 22 Apr 2003 07:53:01 -0000 1.32
+++ tran.py 22 Apr 2003 10:22:21 -0000 1.33
@@ -20,6 +20,14 @@
def abstract (this, *arg, **narg):
raise 'abstract method was called', this
+class Summable (object):
+ def get_scalar (this): return 0
+ def get_dollars (this): return 0
+ def get_pos_symbols (this): return ()
+ def get_neg_symbols (this): return ()
+ def get_pos_regs (this): return ()
+ def get_neg_regs (this): return ()
+
class Token (object): pass
class Stackable (object):
def contained_registers (this):
|
