2024年编译原理实验 词法分析实验-LL1文法分析实验

2024年编译原理实验_词法分析实验-LL1……………第一针…………装订 其XXX2002055月月1155日开发环境软、硬件：：CC4windows1064（2）C试验要求（1）待分析的简洁的语法关键字：beginifthenwhiledoend*id=l(l|d)*(l:letterd:digit)num=dd*种别编码略有改动（3）待分析的源程序：(a)intmain()inta=1,b=2;bb/a;/**/b>a;c=a+b;cout0)if2x77)介绍，再附核心代码，假如只有代码，没有说明，酌情减 t","main","return","cout"};//关键字的种别码keyNum[10]={1,2,3,4,5,6,7,8,12,13};//运算符和界符symbol[25]={"=","==","+","-[","]","{","}",",",":",";",">","=","="0"&&s="a" str"||str=="="||str==""||str=="="||str==">w){if(w!=tter[length]=w;length++;TakeWord();fclose(stdin);//关闭文fclose(stdout);//return0;：（图）（注释可以忽视，这里显示了试验要求（1）总体要求：1)2)First()Follow()集合，有肯定难度；3)依据预料分析表，设计并实现预料分析总给出当输入串为：（i1+i2）*(i3+i4息）核心代码：：（MMEES’,STT）预料分析表程序中的部分核心代码（模块的详细功能输入输出在模块前注释体现）#includedio.h>ring>#includecharstatement[20]int0;ME",S5intnnLength5;charTT[6]{"i","+","*","(",")","#"};//终结符的个数，有6个intttLength=6;/**产生式表:0->TE"1+TE"2E"->空3->FT"4*FS5T"->空6(E)7:F->i*///产生式表的左部 {"E->","M->","M->","T->","S->","S->","F->","F->"//产生式表的右部charCreateR[8][10]="TM","+TM","","FS","*FS","","(E)","i"/**2followset1follow12CreateR*/intANA_TABLE[5][6]={{0,-2,-2,0,-1,-{-2,-2,2,2},{3,-1,-2,3,-1,-1},-2,5,4,-2,5,5},7,-1,-1,6,-1,-1charstack[50];inttop1;/**中运用输入：本地要分析的语句文件输出：无*/voidinput(){inti=0;FILE*fp;if((fp=fopen("E:\\man.txt","r"))==NULL){printf("Openerror!");exit(0);charchfgetc(fp);while(chEOF){statement[i]=ch;i++;ch=fgetc(fp);}fclose(fp);/**（终结符或非终结符）*/voidpush(chara)top++;stack[top]a;/**（终结符或非终结符）输出：返回一个字符（出栈）*/charpop()returnstack[top/**01：*/intincludevt(charx)for