Sha256: b1ed39538d10846147a6b5cb70fd17fbac440f713f0aa253e827bd972197c924
Contents?: true
Size: 990 Bytes
Versions: 17
Compression:
Stored size: 990 Bytes
Contents
require_relative './operation'
module Dentaku
module AST
class Combinator < Operation
def initialize(*)
super
unless valid_node?(left)
raise NodeError.new(:logical, left.type, :left),
"#{self.class} requires logical operands"
end
unless valid_node?(right)
raise NodeError.new(:logical, right.type, :right),
"#{self.class} requires logical operands"
end
end
def type
:logical
end
private
def valid_node?(node)
node && (node.dependencies.any? || node.type == :logical)
end
end
class And < Combinator
def operator
:and
end
def value(context = {})
left.value(context) && right.value(context)
end
end
class Or < Combinator
def operator
:or
end
def value(context = {})
left.value(context) || right.value(context)
end
end
end
end
Version data entries
17 entries across 17 versions & 2 rubygems