From fca3a0c56f29e2d91d152d2183e37977f1fde716 Mon Sep 17 00:00:00 2001
From: Sebastian McKenzie <sebmck@gmail.com>
Date: Tue, 4 Nov 2014 08:04:32 +1100
Subject: [PATCH] generator: add ensureSemicolon and printBlock methods

---
 lib/6to5/generator.js | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/lib/6to5/generator.js b/lib/6to5/generator.js
index 200c5c6b3c..d22edeec38 100644
--- a/lib/6to5/generator.js
+++ b/lib/6to5/generator.js
@@ -70,11 +70,24 @@ CodeGenerator.prototype.semicolon = function () {
   this._push(";");
 };
 
+CodeGenerator.prototype.ensureSemicolon = function () {
+  if (!this.isLast(";")) this.semicolon();
+};
+
 CodeGenerator.prototype.keyword = function (name) {
   this.push(name);
   this.push(" ");
 };
 
+CodeGenerator.prototype.printBlock = function (print, node) {
+  if (t.isEmptyStatement(node)) {
+    this.semicolon();
+  } else {
+    this.push(" ");
+    print(node);
+  }
+};
+
 CodeGenerator.prototype.push = function (str, noIndent) {
   if (this._indent && !noIndent && str !== "\n") {
     // we have an indent level and we aren't pushing a newline