From a800356ad089c81a4bc25a90d58bc0071ebe7a01 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?F=C3=A1bio=20Santos?= <fabiosantosart@gmail.com>
Date: Sat, 21 Nov 2015 14:48:23 +0000
Subject: [PATCH] Implement new.target

---
 lib/ast.js               | 4 ++++
 lib/output.js            | 3 +++
 lib/parse.js             | 8 ++++++++
 test/compress/harmony.js | 8 ++++++++
 4 files changed, 23 insertions(+)

diff --git a/lib/ast.js b/lib/ast.js
index faae55fd..c315c4a1 100644
--- a/lib/ast.js
+++ b/lib/ast.js
@@ -1003,6 +1003,10 @@ var AST_Symbol = DEFNODE("Symbol", "scope name thedef", {
     $documentation: "Base class for all symbols",
 });
 
+var AST_NewTarget = DEFNODE("NewTarget", null, {
+    $documentation: "A reference to new.target"
+});
+
 var AST_SymbolAccessor = DEFNODE("SymbolAccessor", null, {
     $documentation: "The name of a property accessor (setter/getter function)"
 }, AST_Symbol);
diff --git a/lib/output.js b/lib/output.js
index d1ebdeee..74d88d25 100644
--- a/lib/output.js
+++ b/lib/output.js
@@ -1219,6 +1219,9 @@ function OutputStream(options) {
         });
         else output.print("{}");
     });
+    DEFPRINT(AST_NewTarget, function(self, output) {
+        output.print("new.target");
+    });
     DEFPRINT(AST_ObjectKeyVal, function(self, output){
         var key = self.key;
         var quote = self.quote;
diff --git a/lib/parse.js b/lib/parse.js
index 9341ad39..8f03435f 100644
--- a/lib/parse.js
+++ b/lib/parse.js
@@ -1292,6 +1292,14 @@ function parse($TEXT, options) {
     var new_ = function(allow_calls) {
         var start = S.token;
         expect_token("operator", "new");
+        if (is("punc", ".")) {
+            next();
+            expect_token("name");
+            return subscripts(new AST_NewTarget({
+                start : start,
+                end   : prev()
+            }), allow_calls);
+        }
         var newexp = expr_atom(false), args;
         if (is("punc", "(")) {
             next();
diff --git a/test/compress/harmony.js b/test/compress/harmony.js
index 1d18301d..e53f9458 100644
--- a/test/compress/harmony.js
+++ b/test/compress/harmony.js
@@ -251,6 +251,14 @@ class_name_can_be_preserved: {
     }
 }
 
+new_target: {
+    input: {
+        new.target;
+        new.target.name;
+    }
+    expect_exact: "new.target;new.target.name;"
+}
+
 number_literals: {
     input: {
         0b1001;