# File kwartz.rb, line 2294 def translate_expr(node, code='', level=0) case tkn = node.token when '.+' translate_expr(node.left, code, level) code << '}${' translate_expr(node.right, code, level) #left = node.left #right = node.right #node.left = ExprNode.new('()', node.left) #node.right = ExprNode.new('()', node.right) when :empty, :notempty ## s==empty => '(empty s)', s!=empty => '!(empty s)' code << (tkn == :empty ? '(empty ' : '!(empty ') translate_expr(node.left, code, level) code << ')' else super(node, code, level) end end