[Wisp-cvs] wisp/users/dig tran.py,1.5,1.6

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

Update of /cvsroot/wisp/wisp/users/dig
In directory sc8-pr-cvs1:/tmp/cvs-serv12898

Modified Files:
	tran.py 
Log Message:
simplified the Register class

Index: tran.py
===================================================================
RCS file: /cvsroot/wisp/wisp/users/dig/tran.py,v
retrieving revision 1.5
retrieving revision 1.6
diff -u -d -r1.5 -r1.6
--- tran.py	14 Apr 2003 02:09:39 -0000	1.5
+++ tran.py	14 Apr 2003 14:15:00 -0000	1.6
@@ -34,14 +34,16 @@
             except: pass
         return tok
 
-class _Register (tuple):
+class Register (tuple):
+    def __new__ (cls, *args):
+        return tuple.__new__(cls, args)
     def parent (this):
-        if len(this): return _Register(this[:-1])
+        if len(this): return apply(Register, this[:-1])
         else:         return None
     def child_generator (this):
         i = 0
         while 1:
-            yield Register(this + (i,))
+            yield apply(Register, this + (i,))
             i += 1
     def __repr__ (this):
         return 'Register' + tuple.__repr__(this)
@@ -50,9 +52,6 @@
     def __init__ (this, id):
         this.id = id
 
-def Register (*args):
-    return _Register(args)
-
 def b_comma (n):
     if type(n) == LongType:     cursect.emit_byte(n)
     elif type(n) == StringType: cursect.emit_byte_sum([n])
@@ -109,7 +108,7 @@
     elif type(object) == StringType:
         yield 'sym'
         yield 'lit'
-    elif isinstance(object, _Register):
+    elif isinstance(object, Register):
         while object <> None:
             yield Registers[object]
             object = object.parent()