From 73f62ef36c4d09052a1fc1cf6d68ef1d9c0a840f Mon Sep 17 00:00:00 2001
From: Danny Yoo <dyoo@cs.wpi.edu>
Date: Mon, 27 Feb 2012 14:45:01 -0500
Subject: [PATCH] trying to reduce cost of namespace.get

---
 js-assembler/runtime-src/baselib-modules.js | 26 ++++-----------------
 1 file changed, 5 insertions(+), 21 deletions(-)

diff --git a/js-assembler/runtime-src/baselib-modules.js b/js-assembler/runtime-src/baselib-modules.js
index a6d336a..5a4f258 100644
--- a/js-assembler/runtime-src/baselib-modules.js
+++ b/js-assembler/runtime-src/baselib-modules.js
@@ -9,28 +9,21 @@
 
     var Namespace = function(modrec) {
         this.modrec = modrec;
+
         // string -> integer
         // Returns the position within the prefix that we should be looking.
         this.mapping = {}; 
+        this.prefix = void(0);
         this.extra = {};
     };
 
     Namespace.prototype.get = function(name) {
-        var i;
         if (this.mapping.hasOwnProperty(name)) {
-            return this.modrec.prefix[this.mapping[name]];
+            return this.prefix[this.mapping[name]];
         }
         if (this.extra.hasOwnProperty(name)) {
             return this.extra[name];
         }
-        if (this.modrec.prefix) {
-            for (i = 0; i < len; i++) {
-                if (this.modrec.prefix.names[i] === name) {
-                    this.mapping[name] = i;
-                    return this.modrec.prefix[this.mapping[name]];
-                }
-            }
-        }
         return void(0);
     };
 
@@ -46,6 +39,7 @@
                 delete this.extra[name];
             }
         }
+        this.prefix = prefix;
     };
 
     Namespace.prototype.hasKey = function(name) {
@@ -53,24 +47,14 @@
     };
 
     Namespace.prototype.set = function(name, value) {
-        var i;
         if (this.mapping.hasOwnProperty(name)) {
-            this.modrec.prefix[this.mapping[name]] = value;
+            this.prefix[this.mapping[name]] = value;
             return;
         };
         if (this.extra.hasOwnProperty(name)) {
             this.extra[name] = value;
             return;
         }
-        if (this.modrec.prefix) {
-            for (i = 0; i < len; i++) {
-                if (this.modrec.prefix.names[i] === name) {
-                    this.mapping[name] = i;
-                    this.modrec.prefix[this.mapping[name]] = value;
-                    return;
-                }
-            }
-        }
         this.extra[name] = value;
         return;
     };