From 0b6c44abcd8b93002a5fe5e2c39678838cf5f4a3 Mon Sep 17 00:00:00 2001
From: "William C. Johnson" <wcjohnson@oigroup.net>
Date: Sat, 21 Oct 2017 14:06:03 -0400
Subject: [PATCH] Clean up safe-await-outside-async error

Fixes https://github.com/wcjohnson/lightscript/issues/53
---
 src/plugins/lightscript.js                                    | 4 +++-
 .../lightscript/await-arrow/safe-outside-async/actual.js      | 1 +
 .../lightscript/await-arrow/safe-outside-async/options.json   | 3 +++
 3 files changed, 7 insertions(+), 1 deletion(-)
 create mode 100644 test/fixtures/lightscript/await-arrow/safe-outside-async/actual.js
 create mode 100644 test/fixtures/lightscript/await-arrow/safe-outside-async/options.json

diff --git a/src/plugins/lightscript.js b/src/plugins/lightscript.js
index ffc4cd8009..6af7ce4030 100644
--- a/src/plugins/lightscript.js
+++ b/src/plugins/lightscript.js
@@ -462,7 +462,9 @@ pp.parseIfExpression = function (node) {
 // c/p parseAwait
 
 pp.parseSafeAwait = function (node) {
-  if (!this.state.inAsync) this.unexpected();
+  if (!this.state.inAsync) {
+    this.unexpected(this.state.lastTokStart, "Safe await is illegal outside of an async function.");
+  }
   node.argument = this.parseMaybeUnary();
   return this.finishNode(node, "SafeAwaitExpression");
 };
diff --git a/test/fixtures/lightscript/await-arrow/safe-outside-async/actual.js b/test/fixtures/lightscript/await-arrow/safe-outside-async/actual.js
new file mode 100644
index 0000000000..fd2837af1d
--- /dev/null
+++ b/test/fixtures/lightscript/await-arrow/safe-outside-async/actual.js
@@ -0,0 +1 @@
+<!- waitable
diff --git a/test/fixtures/lightscript/await-arrow/safe-outside-async/options.json b/test/fixtures/lightscript/await-arrow/safe-outside-async/options.json
new file mode 100644
index 0000000000..cd72314d83
--- /dev/null
+++ b/test/fixtures/lightscript/await-arrow/safe-outside-async/options.json
@@ -0,0 +1,3 @@
+{
+  "throws": "Safe await is illegal outside of an async function. (1:0)"
+}