From: Steve Reinhardt <stever@eecs.umich.edu>
Date: Thu, 20 Oct 2005 18:14:59 +0000 (-0400)
Subject: Minor tweak to isa_parser.
X-Git-Tag: m5_2.0_beta1~310^2~10
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=9a881c5a8266fd36f5b3e8f5295d0416101244ed;p=gem5.git

Minor tweak to isa_parser.

arch/isa_parser.py:
    Derive Stack class directly from list.

--HG--
extra : convert_revision : 4f09db4baec0bb2144d71ffad5ce53651e8c3ac6
---

diff --git a/arch/isa_parser.py b/arch/isa_parser.py
index eaef4b798..8f4c6bce7 100755
--- a/arch/isa_parser.py
+++ b/arch/isa_parser.py
@@ -794,20 +794,19 @@ def defFormat(id, params, code, lineno):
 
 ##############
 # Stack: a simple stack object.  Used for both formats (formatStack)
-# and default cases (defaultStack).
+# and default cases (defaultStack).  Simply wraps a list to give more
+# stack-like syntax and enable initialization with an argument list
+# (as opposed to an argument that's a list).
 
-class Stack:
-    def __init__(self, initItem):
-        self.stack = [ initItem ]
+class Stack(list):
+    def __init__(self, *items):
+        list.__init__(self, items)
 
     def push(self, item):
-        self.stack.append(item);
-
-    def pop(self):
-        return self.stack.pop()
+        self.append(item);
 
     def top(self):
-        return self.stack[-1]
+        return self[-1]
 
 # The global format stack.
 formatStack = Stack(NoFormat())