MODIFIABILITY OF MACRO IMPLEMENTATION OF SNOBOL4 - EXPERIENCE IN ADDING JAPANESE TEXT PROCESSING FACILITY.

Kazuo Ushijima, Kazuyuki Yoshida, Keijiro Araki

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

A facility of Japanese text processing is implemented by modifying the macro implementation of SNOBOL4. Japanese characters are represented as 16-bit codes, while the traditional alphanumeric characters are coded in 8 bits. The SNOBOL4 processor is modified to manipulate Japanese text which is freely composed of both Japanese and alphanumeric character sets. By normalizing each alphanumeric character into 16 bits, no modifications of string manipulation algorithms in the original implementation are needed. The improved execution time efficiency of the SNOBOL4 processor with Japanese text processing facility is described. Experience is discussed from the viewpoint of software maintenance.

Original languageEnglish
Title of host publicationProceedings - IEEE Computer Society's International Computer Software & Applications Conference
PublisherIEEE
Pages14-19
Number of pages6
ISBN (Print)0818605502
Publication statusPublished - 1984

All Science Journal Classification (ASJC) codes

  • Engineering(all)

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    Ushijima, K., Yoshida, K., & Araki, K. (1984). MODIFIABILITY OF MACRO IMPLEMENTATION OF SNOBOL4 - EXPERIENCE IN ADDING JAPANESE TEXT PROCESSING FACILITY. In Proceedings - IEEE Computer Society's International Computer Software & Applications Conference (pp. 14-19). IEEE.