Method: AND#initialize

Defined in:
lib/antlr4/atn/SemanticContext.rb

#initialize(a, b) ⇒ AND

Returns a new instance of AND.



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# File 'lib/antlr4/atn/SemanticContext.rb', line 174

def initialize(a, b)
    operands = Set.new()
    if a.kind_of? AND then
        a.opnds.each {|o| operands.add(o) }
    else
        operands.add(a)
    end
    if b.kind_of? AND then
        b.opnds.each {|o| operands.add(o) }
    else
        operands.add(b)
    end
    precedencePredicates = filterPrecedencePredicates(operands)
    if precedencePredicates.length>0 then
        # interested in the transition with the lowest precedence
        reduced = precedencePredicates.min
        operands.add(reduced)
    end
    @opnds = operands.to_a
end