Add a comment to expressions parser tree method

c6ea7a2a · Grzegorz Bizon · 26167c24 · c6ea7a2a
Commit c6ea7a2a authored Mar 01, 2018 by Grzegorz Bizon
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lib/gitlab/ci/pipeline/expression/parser.rb lib/gitlab/ci/pipeline/expression/parser.rb +5 -0

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--- 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