编译原理-词法分析实验报告-java版(共7页).doc

精选优质文档-倾情为你奉上词法分析代码。 import java.io.*;import java.util.Vector;import java.util.regex.*;public class Compiler public static String stringCompiler=;private static final String KEY_WORD=if, then, while, do, read, write,call,begin, end, const, var, procedure, odd; private static boolean isKeyWord(String s)/是否是关键字boolean b=false;for(int i=0;iKEY_WORD.length;i+)if(s.equals(KEY_WORDi)b=true;return b;