From 3b9d5ec2df1020266ae236ade5d5c5431c4279dd Mon Sep 17 00:00:00 2001
From: Luke Kenneth Casson Leighton <lkcl@lkcl.net>
Date: Tue, 8 Jun 2021 13:08:18 +0100
Subject: [PATCH] add support in pyparser for negative numbers

---
 src/openpower/decoder/pseudo/lexer.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/openpower/decoder/pseudo/lexer.py b/src/openpower/decoder/pseudo/lexer.py
index b420798b..aad11a04 100644
--- a/src/openpower/decoder/pseudo/lexer.py
+++ b/src/openpower/decoder/pseudo/lexer.py
@@ -346,7 +346,7 @@ class PowerLexer:
     #t_NUMBER = r'\d+'
     # taken from decmial.py but without the leading sign
     def t_NUMBER(self, t):
-        r"""(\d+(\.\d*)?|\.\d+)([eE][-+]? \d+)?"""
+        r"""[-]?(\d+(\.\d*)?|\.\d+)([eE][-+]? \d+)?"""
         t.value = int(t.value)
         return t
 
-- 
2.30.2