From 24d20784b2bfa531b407f276a39d1901d2e045f9 Mon Sep 17 00:00:00 2001
From: Garrit Franke <garritfranke@gmail.com>
Date: Sat, 5 Dec 2020 19:41:37 +0100
Subject: [PATCH] Fix infinite loop when parsing strings

---
 examples_out/out.js | 4 ++--
 src/lexer/mod.rs    | 5 +++++
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/examples_out/out.js b/examples_out/out.js
index 3c84eea..be3aad0 100644
--- a/examples_out/out.js
+++ b/examples_out/out.js
@@ -1,6 +1,6 @@
 function main() {
-return;
+return "Hello World"
 }
 function fib() {
 }
-main()
\ No newline at end of file
+console.log(main())
\ No newline at end of file
diff --git a/src/lexer/mod.rs b/src/lexer/mod.rs
index a1f563b..a693519 100644
--- a/src/lexer/mod.rs
+++ b/src/lexer/mod.rs
@@ -288,6 +288,11 @@ impl Cursor<'_> {
         loop {
             match self.first() {
                 '"' | '\'' => break,
+                '\n' => panic!(
+                    "String does not end on same line. At {}:{}",
+                    self.pos().line,
+                    self.pos().offset
+                ),
                 _ => self.bump(),
             };
         }