From 744af5c34d290b25bdf1595390f2e88ffe8d50ba Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Simon=20Z=C3=BCnd?= <szuend@chromium.org>
Date: Tue, 23 Apr 2024 08:08:39 +0200
Subject: [PATCH] Support new.target

---
 src/javascript.grammar |  1 +
 test/statement.txt     | 15 +++++++++++++++
 2 files changed, 16 insertions(+)

diff --git a/src/javascript.grammar b/src/javascript.grammar
index c3aba6f..bf225c9 100644
--- a/src/javascript.grammar
+++ b/src/javascript.grammar
@@ -285,6 +285,7 @@ expressionNoComma {
   RegExp |
   ArrayExpression |
   ObjectExpression { "{" commaSep<Property> ~destructure "}" } |
+  NewTarget { kw<"new"> "." PropertyName } |
   NewExpression { kw<"new"> expressionNoComma (!newArgs TypeArgList? ArgList)? } |
   UnaryExpression |
   YieldExpression |
diff --git a/test/statement.txt b/test/statement.txt
index a8313a7..9243488 100644
--- a/test/statement.txt
+++ b/test/statement.txt
@@ -383,3 +383,18 @@ foo()
 ==>
 
 Script(Hashbang,ExpressionStatement(CallExpression(VariableName,ArgList)))
+
+# new.target
+
+function MyObj() {
+  if (!new.target) {
+    throw new Error('Must construct MyObj with new');
+  }
+}
+
+==>
+
+Script(
+  FunctionDeclaration(function,VariableDefinition,ParamList,Block(
+    IfStatement(if,ParenthesizedExpression(UnaryExpression(LogicOp,NewTarget(new,PropertyName))), Block(
+      ThrowStatement(throw,NewExpression(new,VariableName,ArgList(String))))))))