實驗一PL／O(一)實驗目的123(二)實驗內容與步12用PL／O語言實驗一PL／O(一)實驗目的123(二)實驗內容與步12用PL／O語言編寫能打印如下圖形的*********************34567（三）流程圖（算法第三題開否是否是否是否是結開否是否是否是否是結第四題開請輸入倒置否是輸出第四題開請輸入倒置否是輸出p[i-結（四）源代碼（程序voidmain(){int}}char}}#includevoidmain()}}#includevoidmain(){charfor(inti=strlen(p);i>0;i--{printf("%c",p[i-}}（五）運行結果（截圖(一)實驗目的1234(二)實驗步驟及內容1(一)實驗目的1234(二)實驗步驟及內容1234(三)有關說明12（四）流開YNChY是NYNYYCh或數字NYChNN結開YNChY是NYNYYCh或數字NYChNN結SYM（五）源代碼（程序publicclassTest{publicstaticvoidmain(String[]{Scannerin=str=s[]=new（五）源代碼（程序publicclassTest{publicstaticvoidmain(String[]{Scannerin=str=s[]=newflognewString"String","int","if","for","else","while","double","float"};//保留字數組inta=floatb=(str.charAt(0)>='a'&&str.charAt(0)<=||str.charAt(0)>='A'&&str.charAt(0)<=s[0]=""+{for(intkcharcif(c1;k<str.length();k++)'a'||c>='A'&&ccc<='z''9'){&&cs[k]=""}}Stringisident=(inti=0;i<isident+=;i++)}(j=0;j<j++)ifSystem.out.println(isident");break;}}(j==flog.length){}}(str.charAt(0)>='0'&&str.charAt(0)<='9')a=(int)((str.charAt(0)-'0')*Math.pow(10,str.length()-1));for(intkcharcif(c1;k<str.length();{'0'&&c<='9')a+=(int)((c-'0')a+=(int)((c-'0')*--k}}System.out.println(a}}}}（六）運行結詞法分析程序的構—(一)實驗目1234(二)實驗內容及步12詞法分析程序的構—(一)實驗目1234(二)實驗內容及步123單詞串的輸所輸出的每一單詞，均按形如(CLASS，VALUE)的二元式編碼。對于變量標識符和常數CLASS字段為相應的類別碼，VALUE字段是該標識符、常數在其符號表中登記項的序4(三)有關說明12（四）流N濾空CH=YY YN YN （五）源#include#include拼數，將拼數后的值送N濾空CH=YY YN YN （五）源#include#include拼數，將拼數后的值送{int{{return}}return}voidgetsym(FILE*fin,FILE*{fprintf(fout,"1：基本字（保留字）2：運算符3：標識符4：{int{{return}}return}voidgetsym(FILE*fin,FILE*{fprintf(fout,"1：基本字（保留字）2：運算符3：標識符4：charintsym;//存放每個單詞的類別，1：基本字（保留字）2：運算符3：標識符{if(ch=='{}elseif(ch>='a'&&ch<='z'||ch>='A'&&ch<='Z')//CH{intint}if(key(id))//ID{}{elseif(ch>='a'&&ch<='z'||ch>='A'&&ch<='Z')//CH{intint}if(key(id))//ID{}{}}else{int}elseif(ch=='+'||ch=='-'||ch=='*'||ch=='/'||ch=='='){}else}elseif(ch=='+'||ch=='-'||ch=='*'||ch=='/'||ch=='='){}elseif(ch=='>'||ch={char{點fprintf(fout,"%c%c\t\t%d\n",ch,ch1,sym);/}{點}}else{}{{點}}else{}{}}}voidmain(){charchar}（六）運(一)實驗目的12(二)實驗內容及(一)實驗目的12(二)實驗內容及步（三）流是是是否否否M[X,a]是產生式嗎是是是否否否M[X,a]是產生式嗎是否否是若產生式X→x1x2...xnxn。（四）源#includecharintintintintint（四）源#includecharintintintintint{char{"E->TE'","ERROR","ERROR","E-"ERROR","ERROR"},//{"ERROR","E'->+TE'","ERROR","ERROR","E'->ε","E'->ε"},//"T->FT'","ERROR","ERROR","T->FT'","ERROR","ERROR"},//{{"ERROR","T'->ε","T'->*FT'","ERROR","T'->ε","T'->ε"},//"F->i","ERROR","ERROR","F->(E)","ERROR","ERROR"}//{typedefstruct{charintstack*push(stack*s,char{return}typedefstruct{charintstack*push(stack*s,char{return}charpop(stack{charreturnch;/*返回被刪值}chartop(stack*s)/*s{}voidprintstack(stack*s1,stack{printf("%3dint{{}elseif(s1-}voidprintstack(stack*s1,stack{printf("%3dint{{}elseif(s1-{}{}}printf("%-15s{//printf("%c",s2-}printf("%15sint}}printf("%-15s{//printf("%c",s2-}printf("%15sint{\"%}else{printf("}{printf("}}voidgetsite(stack{{}{}}}voidgetsite(stack{{}{}}voidturn(stack*s,int{{casecasecasecasecase{casecasecasecasecasecasecasecase}}voidcasecase}}void{stackstackstackstackcharint{}stackstackstackstackcharint{}printf("{{}{}{----}}}{{}{}{----}}}{}}（五）運{}}（五）運(一)實驗目123(二)實驗步驟與內1 (一)實驗目123(二)實驗步驟與內1 名字()#PUSH(α，POP(σ，B△POP(σ，B)（三）流N輸入棧或結果棧是否有YYNY判斷輸入棧頂是否是字N計算棧中的優先棧還是結果棧以確定運算符棧中（三）流N輸入棧或結果棧是否有YYNY判斷輸入棧頂是否是字N計算棧中的優先棧還是結果棧以確定運算符棧中確定輸入串運算（四）源#include#include{int{{return}}return}void（四）源#include#include{int{{return}}return}voidgetsym(FILE*fin,FILE*{fprintf(fout,"1：基本字（保留字）2：運算符3：標識符4：charintsym;//存放每個單詞的類別，1：基本字（保留字）2：運算符3：標識符{if(ch=='{}elseif(ch>='a'&&ch<='z'||ch>='A'&&ch<='Z')//CH{intint{if(ch=='{}elseif(ch>='a'&&ch<='z'||ch>='A'&&ch<='Z')//CH{intint}if(key(id))//ID{}{}}else{int }elseif(ch=='+'||ch=='-'||ch=='*'||ch=='/'||ch=='=')}else{int }elseif(ch=='+'||ch=='-'||ch=='*'||ch=='/'||ch=='='){}elseif(ch=='>'||ch={char{點fprintf(fout,"%c%c\t\t%d\n",ch,ch1,sym);/}{點}}else{fprintf(fout,"%c%c\t\t%d\n",ch,ch1,sym