编译原理的pascal 语言的词法分析并产生二元式-Pascal language compiler theory lexical analysis and generate binary type

LEX和YACC编写的标准PASCAL语法，bnf形式。-* Pascal grammar in Yacc format, based originally on BNF given in "Standard Pascal-- User Reference Manual", by Doug Cooper. This in turn is the BNF given by the ANSI and ISO Pascal standards, and so, is PUBLIC DOMAIN. Th

该程序使用lex与yacc将pascal语言的程序匹配并输出四元式-The program uses lex and yacc program pascal language matches and output quaternion type