关键词: 脚本描述语言, 词法分析, 语法分析, 语义分析, 解释器

Abstract: Nowadays, every Technical and Tactical Analysis Systems (TTAS) for ball games needs to design its unique scenario interpreter, which results in a lot of wasted efforts of programmers. To solve this problem, the grammar of the scenario language was designed by analyzing the characteristics of ball games, and the scenario interpreter was finally realized through the analysis of scenario language lexicon, syntax and semantic. At present, it has been successfully applied in table tennis, basketball and volleyball TTAS; meanwhile, the problem of wasted effort has been resolved effectively.

Key words: scripts description language, lexical analysis, syntax analysis, semantic analysis, interpreter