用GAG开发ADA前端编译器的研究

RESEARCH ON DEVELOPING ADA FRONT-END COMPILER WITH GAG

用GAG的基本原理和属性文法的基本理论，对GAG输入文件中的DIANAGENERATION部分作了研究，提出了一种用GAG开发具有生成DIANA属性树功能的ADA前端编译器的实现方案，并对DIANA的内部表示进行了设计，给出了一种从DIANA内部表示向外部表示转换的方法。

The thesis presents an efficient scheme for using GAG system to develop ADA FRONTEND compiler which has the function to construct DIANA tree. With this aim. a deep research is made on DIANA GENERATION part in the input file of GAG depending on the basic principle about GAG and the basic theory on AG, and DIANA tree internal representation is designed and an implementation way is provided from DIANA tree internal representation to external representation.