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shu xing wen fa de yi zhong qiu zhi fang fa
Author(s): 
Pages: 115-123
Year: Issue:  1
Journal: Acta Scientiarum Naturalium Universitatis Pekinensis

Keyword:  属性文法属性求值语法树子树求值方法综合属性求值程序当前结点属性值求值算法;
Abstract: 本文给出了一种新的属性求值算法,其基本思想是以IO图制导属性求值过程,动态确定求值顺序。语法树存放在外存,在求值过程的任何时刻,内存中最多只有其根部几层及某一株子树,从而大大降低了空间需求。
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