1 files changed, 8 insertions, 0 deletions
diff --git a/lib/gitlab/ci/pipeline/expression/lexeme/base.rb b/lib/gitlab/ci/pipeline/expression/lexeme/base.rb
index 7ebd2e25398..676857183cf 100644
--- a/lib/gitlab/ci/pipeline/expression/lexeme/base.rb
+++ b/lib/gitlab/ci/pipeline/expression/lexeme/base.rb
@@ -10,6 +10,10 @@ module Gitlab
               raise NotImplementedError
             end
 
+            def name
+              self.class.name.demodulize.underscore
+            end
+
             def self.build(token)
               raise NotImplementedError
             end
@@ -23,6 +27,10 @@ module Gitlab
             def self.pattern
               self::PATTERN
             end
+
+            def self.consume?(lexeme)
+              lexeme && precedence >= lexeme.precedence
+            end
           end
         end
       end