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摘要：【转载】The Lex & Yacc PageLex - A Lexical Analyzer GeneratorM. E. Lesk and E. SchmidtABSTRACTLex helps write programs whose control flow is directed by instances of regular expressions in the input stream. It is well suited for editor-script type transformations and for segmenting input in preparat 阅读全文

摘要：【作者】John McCarthyThis paper concentrates on the development of the basic ideas and distinguishes two periods - Summer 1956 through Summer 1958 when most of the key ideas were developed (some of which were implemented in the FORTRAN based FLPL), and Fall 1958 through 1962 when the programming languag 阅读全文