From 2b85678c578cb22d15d449ab70872d3b6b6b9364 Mon Sep 17 00:00:00 2001
From: P. J. McDermott <pj@pehjota.net>
Date: Sun, 21 Feb 2016 03:21:31 -0500
Subject: Don't loop forever on unterminated singly quoted string in words

---
diff --git a/parsing/lexer.sh b/parsing/lexer.sh
index 53af926..292d2fa 100644
--- a/parsing/lexer.sh
+++ b/parsing/lexer.sh
@@ -451,9 +451,15 @@ scan_word()
 				while :; do
 					lgetc
 					word="${word}${c}"
-					case "${c}" in \')
-						break
-						;;
+					case "${c}" in
+						'')
+							synerr '%s %s' \
+								'Unterminated' \
+								'quoted string'
+							;;
+						\')
+							break
+							;;
 					esac
 				done
 				;;
diff --git a/parsing/parse.sh b/parsing/parse.sh
index c9e8000..dd340bd 100644
--- a/parsing/parse.sh
+++ b/parsing/parse.sh
@@ -665,7 +665,8 @@ try()
 #try 'foo <<\EOF' '$(bar)' 'EOF'
 #try 'foo <<EOF1; bar <<EOF2' 'baz' 'EOF1' 'qux' 'EOF2'
 #try '\foo'
-try '"foo bar" baz'
-try '"foo'
-try 'foo\" bar'
-try 'foo\'
+#try '"foo bar" baz'
+#try '"foo'
+#try 'foo\" bar'
+#try 'foo\'
+try "foo'"
--
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