From f4dee3cff700026b0997aac681752257aa03b4bd Mon Sep 17 00:00:00 2001
From: Cliff Click <cliffc@acm.org>
Date: Sat, 12 Oct 2024 14:02:50 -0700
Subject: update grammar files

no idea if these are right, but seem closer to the mark
---
 chapter13/docs/13-grammar.md | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

(limited to 'chapter13')

diff --git a/chapter13/docs/13-grammar.md b/chapter13/docs/13-grammar.md
index 65611618..63871a39 100644
--- a/chapter13/docs/13-grammar.md
+++ b/chapter13/docs/13-grammar.md
@@ -20,8 +20,14 @@ statement
     | metaStatement
     ;
 
+PRIMTYPE
+    : 'int'
+    | 'flt'
+    ;
+
 field
-    : 'int' IDENTIFIER ';'
+    : PRIMTYPE IDENTIFIER ';'
+    | structName IDENTIFIER ('?')? ';'
     ;
 
 fields
@@ -66,7 +72,7 @@ structName
     ;
 
 declStatement
-    : 'int' IDENTIFIER '=' expression ';'
+    : PRIMTYPE IDENTIFIER '=' expression ';'
     | structName IDENTIFIER ('?')? '=' expression ';'
     ;
 
-- 
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