On Scaladoc, we should escape meta characters b...

On Scaladoc, we should escape meta characters before compile regexp. No
review.

1 files changed, 14 insertions, 11 deletions

diff --git a/src/compiler/scala/tools/nsc/doc/html/resource/lib/index.js b/src/compiler/scala/tools/nsc/doc/html/resource/lib/index.js
index 2d66d00b60..2aea2bedf8 100644
--- a/src/compiler/scala/tools/nsc/doc/html/resource/lib/index.js
+++ b/src/compiler/scala/tools/nsc/doc/html/resource/lib/index.js
@@ -227,25 +227,28 @@ function configureTextFilter() {
     });
 }
 
-// Filters all focused templates and packages. This function should be made less-blocking.
-//   @param query The string of the query
-function textFilter() {
-    scheduler.clear("filter");
+function compilePattern(query) {
+    var escaped = query.replace(/([\.\*\+\?\|\(\)\[\]\\])/g, '\\$1');
 
-    $('#tpl').html('');
-
-    var query = $("#textfilter input").attr("value") || '';
-
-    var queryRegExp;
     if (query.toLowerCase() != query) {
         // Regexp that matches CamelCase subbits: "BiSe" is
         // "[a-z]*Bi[a-z]*Se" and matches "BitSet", "ABitSet", ...
-        queryRegExp = new RegExp(query.replace(/([A-Z])/g,"[a-z]*$1"));
+        return new RegExp(escaped.replace(/([A-Z])/g,"[a-z]*$1"));
     }
     else { // if query is all lower case make a normal case insensitive search
-        queryRegExp = new RegExp(query, "i");
+        return new RegExp(escaped, "i");
     }
+}
 
+// Filters all focused templates and packages. This function should be made less-blocking.
+//   @param query The string of the query
+function textFilter() {
+    scheduler.clear("filter");
+
+    $('#tpl').html('');
+
+    var query = $("#textfilter input").attr("value") || '';
+    var queryRegExp = compilePattern(query);
 
     var index = 0;