Fix macro missing from doc search

Author: GuillaumeGomez

src/librustdoc/html/static/main.js

@@ -160,6 +160,7 @@
     // used for special search precedence
     var TY_PRIMITIVE = itemTypes.indexOf("primitive");
     var TY_KEYWORD = itemTypes.indexOf("keyword");
+    var TY_MACRO = itemTypes.indexOf("macro");
 
     onEach(document.getElementsByClassName('js-only'), function(e) {
         removeClass(e, 'js-only');
@@ -465,9 +466,11 @@
                             var res = buildHrefAndPath(obj);
                             obj.displayPath = pathSplitter(res[0]);
                             obj.fullPath = obj.displayPath + obj.name;
+                            // To be sure than it some items aren't considered as duplicate.
                             if (obj.ty === TY_KEYWORD) {
-                                // To be sure than it isn't considered as duplicate with items.
                                 obj.fullPath += '|k';
+                            } else if (obj.ty === TY_MACRO) {
+                                obj.fullPath += '|m';
                             }
                             obj.href = res[1];
                             out.push(obj);

src/test/rustdoc-js/macro-check.js

@@ -0,0 +1,20 @@
+// Copyright 2018 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+// ignore-order
+
+const QUERY = 'panic';
+
+const EXPECTED = {
+    'others': [
+        { 'path': 'std', 'name': 'panic', ty: 14 }, // 15 is for macros
+        { 'path': 'std', 'name': 'panic', ty: 0 }, // 0 is for modules
+    ],
+};

src/tools/rustdoc-js/tester.js

@@ -233,7 +233,7 @@ function main(argv) {
 
     var arraysToLoad = ["itemTypes"];
     var variablesToLoad = ["MAX_LEV_DISTANCE", "MAX_RESULTS",
-                           "TY_PRIMITIVE", "TY_KEYWORD",
+                           "TY_PRIMITIVE", "TY_KEYWORD", "TY_MACRO",
                            "levenshtein_row2"];
     // execQuery first parameter is built in getQuery (which takes in the search input).
     // execQuery last parameter is built in buildIndex.