From: Luke Kenneth Casson Leighton <lkcl@lkcl.net>
Date: Tue, 8 Jun 2021 12:08:18 +0000 (+0100)
Subject: add support in pyparser for negative numbers
X-Git-Tag: xlen-bcd~483
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=3b9d5ec2df1020266ae236ade5d5c5431c4279dd;p=openpower-isa.git

add support in pyparser for negative numbers
---

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