diff options
Diffstat (limited to 'lib/gitlab/ci/pipeline/expression/lexeme/logical_operator.rb')
-rw-r--r-- | lib/gitlab/ci/pipeline/expression/lexeme/logical_operator.rb | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/lib/gitlab/ci/pipeline/expression/lexeme/logical_operator.rb b/lib/gitlab/ci/pipeline/expression/lexeme/logical_operator.rb new file mode 100644 index 00000000000..05d5043c06e --- /dev/null +++ b/lib/gitlab/ci/pipeline/expression/lexeme/logical_operator.rb @@ -0,0 +1,35 @@ +# frozen_string_literal: true + +module Gitlab + module Ci + module Pipeline + module Expression + module Lexeme + class LogicalOperator < Lexeme::Operator + # This operator class is design to handle single operators that take two + # arguments. Expression::Parser was originally designed to read infix operators, + # and so the two operands are called "left" and "right" here. If we wish to + # implement an Operator that takes a greater or lesser number of arguments, a + # structural change or additional Operator superclass will likely be needed. + + def initialize(left, right) + raise OperatorError, 'Invalid left operand' unless left.respond_to? :evaluate + raise OperatorError, 'Invalid right operand' unless right.respond_to? :evaluate + + @left = left + @right = right + end + + def inspect + "#{name}(#{@left.inspect}, #{@right.inspect})" + end + + def self.type + :logical_operator + end + end + end + end + end + end +end |