From 8b6493eecefde0d1a0eda4bdab029c4b4650c68b Mon Sep 17 00:00:00 2001
From: Tor Andersson <tor@ccxvii.net>
Date: Tue, 21 Jan 2014 15:49:36 +0100
Subject: [PATCH] Implement with statement.

---
 jsrun.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/jsrun.c b/jsrun.c
index 52e8d33..44f0dcb 100644
--- a/jsrun.c
+++ b/jsrun.c
@@ -793,6 +793,18 @@ static void jsR_run(js_State *J, js_Function *F)
 			js_pushnumber(J, toint32(x) | toint32(y));
 			break;
 
+		/* With */
+
+		case OP_WITH:
+			obj = js_toobject(J, -1);
+			J->E = jsR_newenvironment(J, obj, J->E);
+			js_pop(J, 1);
+			break;
+
+		case OP_ENDWITH:
+			J->E = J->E->outer;
+			break;
+
 		/* Branching */
 
 		case OP_DEBUGGER: