fix up crazy parse argument order

src/babel/helpers/parse.js

@@ -2,7 +2,7 @@ import normalizeAst from "./normalize-ast";
 import estraverse from "estraverse";
 import * as acorn from "../../acorn";
 
-export default function (opts, code, callback) {
+export default function (code, opts = {}) {
   var comments = [];
   var tokens   = [];
 

src/babel/transformation/file/index.js

@@ -435,7 +435,7 @@ export default class File {
     parseOpts.sourceType = "module";
 
     this.log.debug("Parse start");
-    var tree = parse(parseOpts, code);
+    var tree = parse(code, parseOpts);
     this.log.debug("Parse stop");
     return tree;
   }

src/babel/util.js

@@ -155,7 +155,7 @@ export function template(name: string, nodes?: Array<Object>, keepExpression?: b
 }
 
 export function parseTemplate(loc: string, code: string): Object {
-  var ast = parse({ filename: loc, looseModules: true }, code).program;
+  var ast = parse(code, { filename: loc, looseModules: true }).program;
   ast = traverse.removeProperties(ast);
   return ast;
 }