From d265c9951f79e544a5d5cedbba6810feff812cc7 Mon Sep 17 00:00:00 2001
From: Gabe Black <gblack@eecs.umich.edu>
Date: Thu, 14 Jun 2007 13:45:37 +0000
Subject: [PATCH] Fix up param regular expression to not duplicated the
 escaping \ and to pair up \s correctly.

--HG--
extra : convert_revision : b4b790fb8cfd2a9e28568cf978eca70b1c65806b
---
 src/arch/micro_asm.py | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/arch/micro_asm.py b/src/arch/micro_asm.py
index 307c9118b..a8a63e1f8 100644
--- a/src/arch/micro_asm.py
+++ b/src/arch/micro_asm.py
@@ -232,8 +232,15 @@ def t_ANY_ID(t):
 # Parameters are a string of text which don't contain an unescaped statement
 # statement terminator, ie a newline or semi colon.
 def t_params_PARAMS(t):
-    r'([^\n;]|((?<=\\)[\n;]))+'
+    r'([^\n;\\]|(\\[\n;\\]))+'
     t.lineno += t.value.count('\n')
+    unescapeParamsRE = re.compile(r'(\\[\n;\\])')
+    def unescapeParams(mo):
+        val = mo.group(0)
+        print "About to sub %s for %s" % (val[1], val)
+        return val[1]
+    print "Looking for matches in %s" % t.value
+    t.value = unescapeParamsRE.sub(unescapeParams, t.value)
     t.lexer.begin('asm')
     return t
 
-- 
2.30.2