From c6ea7a2a134a0806c1fc9dbdf99213e3c8e4b8ec Mon Sep 17 00:00:00 2001
From: Grzegorz Bizon <grzesiek.bizon@gmail.com>
Date: Thu, 1 Mar 2018 12:23:27 +0100
Subject: Add a comment to expressions parser tree method

---
 lib/gitlab/ci/pipeline/expression/parser.rb | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/lib/gitlab/ci/pipeline/expression/parser.rb b/lib/gitlab/ci/pipeline/expression/parser.rb
index a55e50eebde..90f94d0b763 100644
--- a/lib/gitlab/ci/pipeline/expression/parser.rb
+++ b/lib/gitlab/ci/pipeline/expression/parser.rb
@@ -8,6 +8,11 @@ module Gitlab
             @nodes = []
           end
 
+          ##
+          # This produces a reverse descent parse tree.
+          #
+          # It currently does not support precedence of operators.
+          #
           def tree
             while token = @tokens.next
               case token.type
-- 
cgit v1.2.1