From: Siraaj Khandkar <siraaj@khandkar.net>
Date: Sun, 16 Sep 2018 23:36:51 +0000 (-0400)
Subject: Fix grammar - allow empty set of record fields
X-Git-Url: https://git.xandkar.net/?p=tiger.ml.git;a=commitdiff_plain;h=5064180424a02cd59491bc87a43175fbf04d147c

Fix grammar - allow empty set of record fields
---

diff --git a/compiler/src/lib/tiger/tiger_parser.mly b/compiler/src/lib/tiger/tiger_parser.mly
index b40892a..42470a4 100644
--- a/compiler/src/lib/tiger/tiger_parser.mly
+++ b/compiler/src/lib/tiger/tiger_parser.mly
@@ -312,6 +312,7 @@ exps:
   ;
 
 rec_fields_bind:
+  |                                 {                                   [] }
   | ID EQ exp                       { (Sym.of_string $1, $3, pos ()) :: [] }
   | ID EQ exp COMMA rec_fields_bind { (Sym.of_string $1, $3, pos ()) :: $5 }
   ;