From 0a4270b35812ca9fa56ddb44c827ad33cbd17bef Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?F=C3=A1bio=20Santos?= <fabiosantosart@gmail.com>
Date: Fri, 7 Aug 2015 02:44:53 +0100
Subject: [PATCH] Super!

---
 lib/ast.js    | 4 ++++
 lib/output.js | 3 +++
 lib/parse.js  | 5 ++++-
 lib/scope.js  | 2 ++
 4 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/lib/ast.js b/lib/ast.js
index 5d2f9347..b64a6d8b 100644
--- a/lib/ast.js
+++ b/lib/ast.js
@@ -967,6 +967,10 @@ var AST_This = DEFNODE("This", null, {
     $documentation: "The `this` symbol",
 }, AST_Symbol);
 
+var AST_Super = DEFNODE("Super", null, {
+    $documentation: "The `super` symbol",
+}, AST_Symbol);
+
 var AST_Constant = DEFNODE("Constant", null, {
     $documentation: "Base class for all constants",
     getValue: function() {
diff --git a/lib/output.js b/lib/output.js
index 4ebaf055..f87bdd9e 100644
--- a/lib/output.js
+++ b/lib/output.js
@@ -1223,6 +1223,9 @@ function OutputStream(options) {
     DEFPRINT(AST_This, function(self, output){
         output.print("this");
     });
+    DEFPRINT(AST_Super, function(self, output){
+        output.print("super");
+    });
     DEFPRINT(AST_Constant, function(self, output){
         output.print(self.getValue());
     });
diff --git a/lib/parse.js b/lib/parse.js
index 054cc1a6..bfda6eb0 100644
--- a/lib/parse.js
+++ b/lib/parse.js
@@ -1466,7 +1466,9 @@ function parse($TEXT, options) {
 
     function _make_symbol(type) {
         var name = S.token.value;
-        return new (name == "this" ? AST_This : type)({
+        return new (name == "this" ? AST_This :
+                    name == "super" ? AST_Super :
+                    type)({
             name  : String(name),
             start : S.token,
             end   : S.token
@@ -1605,6 +1607,7 @@ function parse($TEXT, options) {
     function is_assignable(expr) {
         if (!options.strict) return true;
         if (expr instanceof AST_This) return false;
+        if (expr instanceof AST_Super) return false;
         return (expr instanceof AST_PropAccess || expr instanceof AST_Symbol);
     };
 
diff --git a/lib/scope.js b/lib/scope.js
index dee748f9..8b60ce8f 100644
--- a/lib/scope.js
+++ b/lib/scope.js
@@ -518,6 +518,8 @@ AST_Toplevel.DEFMETHOD("compute_char_frequency", function(options){
             base54.consider("new");
         else if (node instanceof AST_This)
             base54.consider("this");
+        else if (node instanceof AST_Super)
+            base54.consider("super");
         else if (node instanceof AST_Try)
             base54.consider("try");
         else if (node instanceof AST_Catch)