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.
Rock crawling is a category of off-roading. Vehicles used for rock crawling are usually modified with different tires, suspension components that allow greater axle articulation, and changes in the differential gear ratio in order to obtain characteristics suitable for low speed operation for traversing obstacles.