In this peper BNF was used to induce the formal grammar rules of general G cede, and furthermore a practical algorithm block diaguam for its lexical and syntactic analysis was provided.

• 本文通过对一般形式G码用巴科斯范式表示法，归纳出其形式文法规则，并对其规则的词法分析和语法分析给出了实际算法框图。