Ada环境语言识别器生成系统

A language recognizer generator in the Ada programming environment

介绍一个基于Ａｄａ环境的语言识别器自动生成系统，它由两个工具，即ＸＤＡＬＥＸ和ＸＤＡＹＡＣＣ组成．

A language recognizer generator system in the Ada programming environment is introduced, which consists of two tools: XDALEX and XDAYACC. Emphasis is laid on the discussion of the language design strategies and the key techniques of the compilers design and implementation.