ANTLR, ANother Tool for Language Recognition, is a language tool that provides a framework for constructing recognizers, interpreters, compilers, and translators from grammatical descriptions containing actions in a variety of target languages.
ApproachâThe route or walk in to the base of a climb. AscenderâAny mechanical device that slides upward when put on a fixed rope but catches when weight is put on it, allowing a climber to use the rope to move upward or to haul gear. Used in aid climbing, mountaineering rescue and caving.
Getting Started Rock Climbing. If youâre looking for fitness, fun and a healthy dose of adrenaline, then rock climbing is a worthy pursuit. Though it attracts its share of daredevils, rock climbing is also enjoyed by legions of everyday adventurers.