From 298700108a286fa7154e4a638017c9fbebf5c3ff Mon Sep 17 00:00:00 2001
From: Michael Williamson <mike@zwobble.org>
Date: Thu, 2 Nov 2023 23:01:34 +0000
Subject: Parse return statements without expression

---
 src/main/java/org/shedlang/compiler/parser/Parser.java | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'src/main/java/org/shedlang/compiler/parser')

diff --git a/src/main/java/org/shedlang/compiler/parser/Parser.java b/src/main/java/org/shedlang/compiler/parser/Parser.java
index 329a5283..272c66c0 100644
--- a/src/main/java/org/shedlang/compiler/parser/Parser.java
+++ b/src/main/java/org/shedlang/compiler/parser/Parser.java
@@ -413,7 +413,9 @@ public class Parser {
 
         tokens.skip(TokenType.KEYWORD_RETURN);
 
-        var expression = parseTopLevelExpression(tokens);
+        var expression = tokens.isNext(TokenType.SYMBOL_SEMICOLON)
+            ? Optional.<UntypedExpressionNode>empty()
+            : Optional.of(parseTopLevelExpression(tokens));
 
         tokens.skip(TokenType.SYMBOL_SEMICOLON);
 
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