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Size: 809 Bytes
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Contents
module ATP
module Processors
# Removes any conditions nodes that are nested within other condition
# nodes that specify the same condition
class RedundantConditionRemover < Processor
def run(node)
@conditions = []
process(node)
end
def on_condition_node(node)
sig = [node.type, node.to_a[0]]
if @conditions.include?(sig)
flag, *nodes = *node
node.updated(:inline, process_all(nodes))
else
@conditions << sig
node = node.updated(nil, process_all(node.children))
@conditions.pop
node
end
end
ATP::Flow::CONDITION_NODE_TYPES.each do |type|
alias_method "on_#{type}", :on_condition_node unless method_defined?("on_#{type}")
end
end
end
end
Version data entries
5 entries across 5 versions & 1 rubygems