From 091d00f1bd22f821d3926c46dd1d6cf7fbc746f4 Mon Sep 17 00:00:00 2001
From: Gaming4JC <g4jc@hyperbola.info>
Date: Sun, 14 Jul 2019 16:37:57 -0400
Subject: 1339395 - Part 2: Add parser support for rest and spread object
 properties.

---
 js/src/frontend/FullParseHandler.h | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'js/src/frontend/FullParseHandler.h')

diff --git a/js/src/frontend/FullParseHandler.h b/js/src/frontend/FullParseHandler.h
index d34cdf43d..2d7f57e1e 100644
--- a/js/src/frontend/FullParseHandler.h
+++ b/js/src/frontend/FullParseHandler.h
@@ -395,6 +395,18 @@ class FullParseHandler
         return true;
     }
 
+    MOZ_MUST_USE bool addSpreadProperty(ParseNode* literal, uint32_t begin, ParseNode* inner) {
+        MOZ_ASSERT(literal->isKind(PNK_OBJECT));
+        MOZ_ASSERT(literal->isArity(PN_LIST));
+
+        setListFlag(literal, PNX_NONCONST);
+        ParseNode* spread = newSpread(begin, inner);
+        if (!spread)
+            return false;
+        literal->append(spread);
+        return true;
+    }
+
     MOZ_MUST_USE bool addObjectMethodDefinition(ParseNode* literal, ParseNode* key, ParseNode* fn,
                                                 JSOp op)
     {
-- 
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