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题名:
practical type checking of functions defined on context-free languages
作者: Chen Haiming ; Yun-Mei Dong
关键词: type checking ; context-free language ; algorithm
刊名: Journal of Computer Science and Technology
发表日期: 2004
卷: 19, 期:6, 页:840-847
收录类别: ei,sci
部门归属: 计算机科学国家重点实验室
摘要: A type checking method for the functional language LFC is presented. A distinct feature of LFC is that it uses Context-Free (CF) languages as data types to represent compound data structures. This makes LFC a dynamically typed language. To improve efficiency, a practical type checking method is presented, which consists of both static and dynamic type checking. Although the inclusion relation of CF.languages is not decidable,a special subset of the relation is decidable, i.e., the sentential form relation, which can be statically checked.Moreover, most of the expressions in actual LFC programs appear to satisfy this relation according to the statistic data of experiments. So, despite that the static type checking is not complete, it undertakes most of the type checking task. Consequently the run-time efficiency is effectively improved. Another feature of the type checking is that it converts the expressions with implicit structures to structured representation. Structure reconstruction technique is presented.
语种: 英语
WOS记录号: WOS:000225656600015
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.iscas.ac.cn/handle/311060/2851
Appears in Collections:计算机科学国家重点实验室 _期刊论文

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Recommended Citation:
Chen Haiming,Yun-Mei Dong. practical type checking of functions defined on context-free languages[J]. Journal of Computer Science and Technology,2004-01-01,19(6):840-847.
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