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Lines Matching refs:stack

283     stack = []
288 stack.push( cursor.children.dup ) unless cursor.empty?
292 break if stack.empty?
293 cursor = stack.last.shift
294 stack.pop if stack.last.empty?
419 stack = []
424 stack.push( Array[ *cursor ] ) unless cursor.empty?
428 break if stack.empty?
429 cursor = stack.last.shift
430 stack.pop if stack.last.empty?