From 4cbab83ffd93831c0c9d887889bcf3ac49460d00 Mon Sep 17 00:00:00 2001
From: Cliff Click <cliffc@acm.org>
Date: Fri, 10 Jan 2025 13:50:22 -0800
Subject: Missing "!" check for finding a type decl

In "N? !n" , "N?" is a type and "n" is the declared variable.
---
 chapter18/src/main/java/com/seaofnodes/simple/Parser.java | 1 +
 1 file changed, 1 insertion(+)

(limited to 'chapter18')

diff --git a/chapter18/src/main/java/com/seaofnodes/simple/Parser.java b/chapter18/src/main/java/com/seaofnodes/simple/Parser.java
index a6185aa0..a4fd9d52 100644
--- a/chapter18/src/main/java/com/seaofnodes/simple/Parser.java
+++ b/chapter18/src/main/java/com/seaofnodes/simple/Parser.java
@@ -830,6 +830,7 @@ public class Parser {
         // Check valid forward ref, after parsing all the type extra bits.
         // Cannot check earlier, because cannot find required 'id' until after "[]?" syntax
         int old2 = pos();
+        match("!");
         String id = _lexer.matchId();
         if( !(peek(',') || peek(';')) )
             return posT(old1);
-- 
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