From a3b6ae326e71cc410d53f18735d22df974c21b0a Mon Sep 17 00:00:00 2001
From: Alex Bethel <abethel@cs.nmt.edu>
Date: Mon, 30 Aug 2021 15:03:29 -0600
Subject: [PATCH] Add parsing negative numbers

---
 ablescript/src/lexer.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ablescript/src/lexer.rs b/ablescript/src/lexer.rs
index 1ac49d66..c622800d 100644
--- a/ablescript/src/lexer.rs
+++ b/ablescript/src/lexer.rs
@@ -139,7 +139,7 @@ pub enum Token {
     String(String),
 
     /// Integer
-    #[regex(r"[0-9]+", get_int)]
+    #[regex(r"-?[0-9]+", get_int)]
     Integer(i32),
 
     /// A C-complaint identifier