From 51f8f4a5e868a8e655091e3e61445d3cd772d2ba Mon Sep 17 00:00:00 2001
From: Jack Koenig
Date: Tue, 28 Feb 2017 00:50:11 -0800
Subject: Fix bug in Lexer rule for DoubleLit and add tests

---
 src/main/antlr4/FIRRTL.g4 | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/main')

diff --git a/src/main/antlr4/FIRRTL.g4 b/src/main/antlr4/FIRRTL.g4
index 47802cd6..69b7ba5d 100644
--- a/src/main/antlr4/FIRRTL.g4
+++ b/src/main/antlr4/FIRRTL.g4
@@ -300,7 +300,7 @@ HexLit
   ;
 
 DoubleLit
-  : ( '+' | '-' )? Digit+ '.' Digit+ ( 'E' Digit+ )?
+  : ( '+' | '-' )? Digit+ '.' Digit+ ( 'E' ( '+' | '-' )? Digit+ )?
   ;
 
 fragment
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