Merge branch 'proxies'

# Conflicts:
#	src/babel/transformation/file/index.js

src/babel/transformation/file/index.js

@@ -85,7 +85,10 @@ export default class File {
     "default-props"
   ];
 
-  static soloHelpers = [];
+  static soloHelpers = [
+    "proxy-create",
+    "proxy-directory"
+  ];
 
   static options = require("./options");
 

src/babel/transformation/file/options.json

@@ -15,6 +15,10 @@
     "hidden": true
   },
 
+  "pluginOptions": {
+    "hidden": true
+  },
+
   "moduleId": {
     "description": "specify a custom name for module ids",
     "type": "string"

src/babel/transformation/templates/helper-proxy-create.js

@@ -0,0 +1,4 @@
+(function (proxy, directory) {
+  directory.push(proxy);
+  return proxy;
+})

src/babel/transformation/templates/helper-proxy-directory.js

@@ -0,0 +1 @@
+[];

src/babel/transformation/transformers/es6/proxies.js

@@ -0,0 +1,43 @@
+import * as t from "../../../types";
+
+export var metadata = {
+  optional: true
+};
+
+// foo.bar
+export function MemberExpression(node) {
+
+}
+
+// Object.setPrototypeOf
+// Object.preventExtensions
+// Object.keys
+// Object.isExtensible
+// Object.getOwnPropertyDescriptor
+// Object.defineProperty
+export function CallExpression(node) {
+
+}
+
+// delete foo.bar
+export function UnaryExpression(node) {
+
+}
+
+// foo in bar
+export function BinaryExpression(node) {
+
+}
+
+export function AssignmentExpression(node) {
+
+}
+
+// new Proxy
+export function NewExpression(node, parent, scope, file) {
+  if (this.get("callee").isIdentifier({ name: "Proxy" })) {
+    return t.callExpression(file.addHelper("proxy-create"), [node.arguments[0], file.addHelper("proxy-directory")]);
+  } else {
+    // possible proxy constructor
+  }
+}

src/babel/transformation/transformers/index.js

@@ -3,6 +3,7 @@ export default {
   "es7.trailingFunctionCommas":            require("./es7/trailing-function-commas"),
   "es7.asyncFunctions":                    require("./es7/async-functions"),
   "es7.decorators":                        require("./es7/decorators"),
+  "es6.proxies":                           require("./es6/proxies"),
 
   strict:                                  require("./other/strict"),
 

src/babel/traversal/path/hoister.js

@@ -91,7 +91,7 @@ export default class PathHoister {
   run() {
     var node = this.path.node;
     if (node._hoisted) return;
-    this.path._hoisted = true;
+    node._hoisted = true;
 
     this.path.traverse(referenceVisitor, this);
     if (this.foundIncompatible) return;