本科生實(shí)驗(yàn)報(bào)告一

江西師范大學(xué)計(jì)算機(jī)信息工程學(xué)院學(xué)生實(shí)驗(yàn)報(bào)告專業(yè)__計(jì)算機(jī)科學(xué)與技術(shù)姓名__黃志平學(xué)號(hào)___08080600064日期__2011/3/2課程名稱編譯原理實(shí)驗(yàn)室名稱4313b實(shí)驗(yàn)名稱實(shí)驗(yàn)一：micro語(yǔ)言的詞法分析器指導(dǎo)教師鐘林輝成績(jī)實(shí)驗(yàn)原理和內(nèi)容設(shè)計(jì)一個(gè)micro語(yǔ)言的詞法分析器，將一個(gè)micro程序分離成token單詞序列。實(shí)驗(yàn)代碼#include<stdio.h>#include<stdio.h>#include<string.h>#include<stdlib.h>typedefstructlink_node1{charname1[50];link_node1*next;}Token1;char*type[]={"real","integer","var","begin","end","read","write"};intIsLetter(charch){if((ch>='a'&&ch<='z')||(ch>='A'&&ch<='Z'))return1;elsereturn0;}intIsDigit(charch){if(ch>='0'&&ch<='9')return1;elsereturn0;}intIsType(char*a){inti=0;while(i<7){if(!strcmp(a,type[i]))return1;i++;}return0;}Token1*Insert1(Token1*head,char*s){Token1*p,*t;p=head;while(p->next){ if(!strcmp(p->next->name1,s)) returnhead; p=p->next;}t=(Token1*)malloc(sizeof(Token1));strcpy(t->name1,s);t->next=p->next;p->next=t;returnhead;}Token1*Insert(Token1*head,char*str){ Token1*p,*q; p=head; while(p->next) { if(strcmp(p->next->name1,str)==0) returnhead; p=p->next; } q=(Token1*)malloc(sizeof(Token1)); strcpy(q->name1,str); q->next=NULL; p->next=q; returnhead;}voidPrint1(Token1*head){ Token1*p; p=head->next; if(!p)return; printf("標(biāo)識(shí)符有:"); while(p) { printf("%s",p->name1); p=p->next; } printf("\n");}voidPrint(Token1*head){ Token1*p; p=head->next; if(p==NULL) return; printf("保留字有:"); while(p) { printf("%s",p->name1); p=p->next; }}voidmain(){ charstr[50],ch; inti;Token1*head1;Token1*head; head1=(Token1*)malloc(sizeof(Token1)); head1->next=NULL; head=(Token1*)malloc(sizeof(Token1)); head->next=NULL; printf("*********************************\n"); printf("請(qǐng)輸入一段以'#'號(hào)結(jié)束的c程序\n"); scanf("%c",&ch); while(ch!='#') { if(IsLetter(ch)) { i=0; str[i++]=ch; scanf("%c",&ch); while(IsLetter(ch)||IsDigit(ch)) {str[i++]=ch;scanf("%c",&ch);} str[i]='\0'; if(!IsType(str)) head1=Insert1(head1,str); else head=Insert(head,str); } else scanf("%c",&ch); } printf("*******