On Thursday, 2 July 2020 at 14:25:20 UTC, Jowei Dei wrote: > I would like to know if there are compiler building tools > supporting D language, such as lexical analyzer generator, > parser generator, etc. Thank you! Pegged was the first project. https://code.dlang.org/packages/pegged https://tour.dlang.org/tour/en/dub/pegged There may be more now.