From 52085b102539743bc7bae24f3e7ef8c97d784a2d Mon Sep 17 00:00:00 2001
From: Styopa Semenukha <ssemenukha@developmentgateway.org>
Date: Mon, 14 Aug 2017 16:48:44 -0400
Subject: [PATCH] Escape single quotes

---
 lib/hafriedlander/Peg/Compiler/Token/Literal.php | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/hafriedlander/Peg/Compiler/Token/Literal.php b/lib/hafriedlander/Peg/Compiler/Token/Literal.php
index c97a60a..101be06 100644
--- a/lib/hafriedlander/Peg/Compiler/Token/Literal.php
+++ b/lib/hafriedlander/Peg/Compiler/Token/Literal.php
@@ -6,7 +6,9 @@
 
 class Literal extends Expressionable {
 	function __construct( $value ) {
-		parent::__construct( 'literal', "'" . substr($value,1,-1) . "'" );
+		// escape single quotes
+		$escaped_value = str_replace('\'', '\\\'', substr($value,1,-1));
+		parent::__construct( 'literal', "'" . $escaped_value . "'" );
 	}
 
 	function match_code( $value ) {