编译原理词法分析器的模拟
#include #include using namespace std; #define MAX 22 char ch =' '; string key[15]={"begin","end","if","then","else","while","write","read", "do", "call","const","char","until","procedure","repeat"}; int Iskey(string c){ //关键字判断int i; for(i=0;i='0'&&c
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