编译课程设计报告书(6)

}

void DispSample() {

cout<<\ if(op=='!') cout<<\ else

cout<

DispIndirect(s1); cout<<\

DispIndirect(s2); cout<<\

DispIndirect(s3); cout<<\ }

void DispFour() {

cout<<\ cout<<\ if(op=='!') cout<<\ else

cout<

DispIndirect(s1); cout<<\

DispIndirect(s2); cout<<\

DispIndirect(s3); cout<<\ } }*Four;

Four four[MAX]; //to store the four equation class stack {

int top;

int array[MAX]; public:

stack(){top=0;} int GetTop() {

return array[top-1]; }

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int Getsize() {

return top; }

void PushStack(int c) {

if(top

array[top++]=c; else

cout<<\}

int PopStack(int temp[],int length) {

if(top>=length) {

for(int i=0;i

temp[i]=array[top-length+i]; }

return length; } else {

cout<<\ exit(0); } }

int GetChar(int pos) {

if((pos>=0)&&(pos

return 0; }

void DispStack() {

for(int i=0;i

DispItem(array[i]); }

if (this->top>5) cout<<'\\t'; else cout<<'\\t'<<'\\t';

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top=top-length; } };

stack s;

void DispCost() {

for(int i=0;i<8;i++) {

for(int j=0;j<8;j++) {

if(cost[i][j]=='!') cout<<\ else

cout<

cout<

bool IsChar(char c) {

if (((c>='a')&&(c<='z')) || (c>='0')&&(c<='9')||((c>='A')&&(c<='Z'))) return true; else

return false; }

int SearchCost(int i,int j)//set the realiton according to the cost

{ //0==equal ，1==above，-1==low，2==NULL if(i/100==1) i=4;

if(j/100==1) j=4;

switch(cost[i][j]) {

case '>':return 1;break; case '<':return -1;break; case '=':return 0;break; default:return 2;break; } }

int Entry(char ch) {

for(int i=1;i

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return Sp+100; }

int NewTemp(int t[3]) {

Fp++;

four[Fp]=new four_item(t[1],t[0],t[2]); four[Fp]->DispFour(); cout<

int CharToDigital(char ch) {

int j;

for(j=0;j<8;j++)

if(ch==cost[0][j]) return j; if(IsChar(ch)) {

return Entry(ch); }

else return 0; }

void DispItem(int i) {

if(i<0||i>400) {

cout<<\ return ; }

if(i<100) {

if(i==3)

cout<<\ else

cout<

else if(i<200) {

cout<

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}

else if(i<300) {

cout<<\ } else

cout<<\}

void DispIndirect(int i) {

if(i<0||i>=400) {

cout<<\ return; }

if(i<100) {

if(i==3)

cout<<\ else

cout<

else if(i<200) {

cout<

else if(i<300) {

DispIndirect(Temp[i-200]); } else

cout<<\}

int Merge(int *ch,int ll) {

s.PopStack(ch,ll);

if(ll==1)//the length is 1 {

Temp[++Tp]=ch[0]; cout<<\ DispItem(ch[0]); cout<<\

DispItem(Tp+200); cout<

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