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bejit.c
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bejit.c
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#include <stdlib.h>
#include <stdint.h>
#include <stdio.h>
#include <string.h>
#if defined __GNUC__ && __GNUC__*100+__GNUC_MINOR__<405
#define __builtin_unreachable()
#endif
#define case(x) break;case x:;
FILE*ran;
int32_t ps[2560],st[65536],*sp=st-1;
uint16_t pg[10240],rl,ct[65536];
uint8_t pro[2560],r[65536];
int mv(int i){
switch(i&3){
case 0:return i>=10112?i-10112:i+128;
case 1:return i&124?i-4:i+96;
case 2:return i<128?i+10112:i-128;
case 3:return (i+4&124)<100?i+4:i-96;
}
}
int opc(int i){
static const uint8_t loc[]={16,29,31,17,14,23,36,36,36,12,10,21,11,20,13,0,1,2,3,4,5,6,7,8,9,18,36,34,36,32,26,30,36,36,36,36,36,36,36,36,36,36,36,36,36,36,36,36,36,36,36,36,36,36,36,36,36,36,36,19,36,33,28,15,36,36,36,36,36,36,24,36,36,36,36,36,36,36,36,25,36,36,36,36,36,35,36,36,36,36,36,27,36,22};
return i<33||i>126?36:loc[i-33];
}
int comp(int i){
int cl=0;
while(pg[i=mv(i)]==(uint16_t)-1){
int op=opc(ps[i>>2]);
pro[i>>2]=1;
if(op<30){
pg[i]=rl;
ct[cl]=rl;
ct[cl+1]=i;
cl+=2;
}
switch(op){
default:__builtin_unreachable();
case(0 ... 9)
r[rl]=0;
rl+=5;
*++sp=*(int32_t*)(r+rl-4)=op;
case(10 ... 24)
r[rl]=op;
rl++;
switch(op){
default:__builtin_unreachable();
case(10)if(sp>st){sp--;*sp+=sp[1];}
case(11)if(sp>st){sp--;*sp-=sp[1];}else if(sp==st)*sp*=-1;
case(12)if(sp>st){sp--;*sp*=sp[1];}else sp=st-1;
case(13)if(sp>st){sp--;if(sp[1])*sp/=sp[1];}else sp=st-1;
case(14)if(sp>st){sp--;if(sp[1])*sp%=sp[1];}else sp=st-1;
case(15)if(sp>st){sp--;*sp=*sp>sp[1];}else if(sp==st)*sp=0>*sp;
case(16)
if(sp>=st){
if(cl>3&&!r[ct[cl-4]]){
pg[i]=-1;
cl-=2;
rl--;
*(int32_t*)(r+rl-4)=*sp=!*sp;
}else*sp=!*sp;
}else*(sp=st)=1;
case(17)
if(cl>3&&(!r[ct[cl-4]]||r[ct[cl-4]]==18)){
pg[i]=-1;
if(ct[cl-3]!=(uint16_t)-1)pg[ct[cl-3]]=-1;
rl=ct[cl-4];
cl-=4;
sp--;
}else sp-=sp>=st;
case(18)if(sp>=st){sp[1]=*sp;sp++;}
case(19)
if(sp>st){
int32_t t=*sp;
*sp=sp[-1];
sp[-1]=t;
if(cl>5&&!r[ct[cl-4]]&&!r[ct[cl-6]]){
pg[i]=-1;
if(ct[cl-3]!=(uint16_t)-1)pg[ct[cl-3]]=-1;
cl-=2;
rl--;
*(int32_t*)(r+rl-4)=*sp;
*(int32_t*)(r+rl-9)=sp[-1];
}
}else if(sp==st)*++sp=0;
case(20)printf("%d ",sp>=st?*sp--:0);
case(21)putchar(sp>=st?*sp--:0);
case(22)*++sp=getchar();
case(23)scanf("%d",++sp);
case(24)
if(sp>st){
sp--;
if(*sp<80&&*sp>=0&&sp[1]<25&&sp[1]>=0){
if(cl>5&&!r[ct[cl-6]]&&!r[ct[cl-4]]){
pg[i]=-1;
if(ct[cl-3]!=(uint16_t)-1)pg[ct[cl-3]]=-1;
cl-=4;
rl-=8;
r[rl-3]=1;
*sp=ps[*(uint16_t*)(r+rl-2)=*sp<<5|sp[1]];
}else*sp=ps[*sp<<5|sp[1]];
}else*sp=0;
}else if(sp==st)*sp=*sp<25&&*sp>=0?ps[*sp]:0;else*++sp=ps[0];
}
if(op<16&&cl>3){
switch(r[ct[cl-4]]){
case(0)
pg[i]=-1;
if(cl>5&&!r[ct[cl-6]]){
if(ct[cl-3]!=(uint16_t)-1)pg[ct[cl-3]]=-1;
cl-=4;
rl-=6;
*(int32_t*)(r+rl-4)=*sp;
}else{
cl-=2;
rl--;
r[rl-5]=19-op;
}
case(18)
if(cl>5&&!r[ct[cl-6]]){
pg[i]=-1;
if(ct[cl-3]!=(uint16_t)-1)pg[ct[cl-3]]=-1;
cl-=4;
rl-=2;
*(int32_t*)(r+rl-4)=*sp;
}
}
}
case(25){
r[rl]=25;
rl+=3;
*(uint16_t*)(r+rl-2)=i;
int x;
switch(sp-st){
default:
sp-=3;
x=(sp[2]>=0&&sp[2]<80?sp[2]<<5:0)|(sp[3]>=0&&sp[3]<25?sp[3]:0);
ps[x]=sp[1];
case(-1)
x=0;
ps[0]=0;
case(0)
sp=st-1;
x=sp[1]<25&&sp[1]>=0?sp[1]:0;
ps[x]=0;
case(1)
sp=st-1;
x=(sp[1]>=0&&sp[1]<80?sp[1]<<5:0)|(sp[2]>=0&&sp[2]<25?sp[2]:0);
ps[x]=0;
}
if(pro[x]){
memset(pro,0,2560);
memset(pg,-1,20480);
cl=rl=0;
}else if(cl>5&&!r[ct[cl-6]]&&!r[ct[cl-4]]){
pg[i]=-1;
if(ct[cl-3]!=(uint16_t)-1)pg[ct[cl-3]]=-1;
cl-=4;
rl-=8;
r[rl-5]=2;
*(uint16_t*)(r+rl-4)=x;
*(uint16_t*)(r+rl-2)=i;
}
}
case(26){
r[rl]=26;
rl+=11;
*(uint16_t*)(r+rl-2)=i&~3;
memset(r+rl-10,-1,8);
int j=getc(ran)&3;
i=i&~3|j;
*(uint16_t*)(r+rl-10+2*j)=rl;
}
case(27 ... 28){
int j=sp>=st&&*sp--;
i=i&~3|(op==27?3-j*2:j*2);
r[rl]=27;
rl+=7;
*(uint16_t*)(r+rl-2)=i^2;
*(uint16_t*)(r+rl-6+2*j)=rl;
*(uint16_t*)(r+rl-6+2*!j)=-1;
}
case(29){
int j=1;
while(ps[(i=mv(i))>>2]!='"'){
j=0;
pro[i>>2]=1;
r[rl]=0;
rl+=5;
*++sp=*(int32_t*)(r+rl-4)=ps[i>>2];
cl+=2;
ct[cl-1]=-1;
ct[cl-2]=rl;
}
cl-=2;
pro[i>>2]=1;
if(j)pg[ct[cl+1]]=(uint16_t)-1;
}
case(30)exit(0);
case(31)i=mv(i);
case(32 ... 35)i=i&~3|op&3;
case(36);
}
}
r[rl]=28;
rl+=3;
return*(uint16_t*)(r+rl-2)=pg[i];
}
int main(int argc,char**argv){
ran=fopen("/dev/urandom","r");
FILE*prog=fopen(argv[1],"r");
#if SPACE
for(int j=0;j<80;j++)
for(int i=0;i<25;i++)ps[i|j<<5]=SPACE;
#endif
for(int i=0;i<25;i++){
for(int j=0;j<80;j++){
int c=getc(prog);
if(c=='\n')goto FoundNew;
if(c==-1)goto RunProg;
ps[i|j<<5]=c;
}
for(;;){
int c=getc(prog);
if(c=='\n')goto FoundNew;
if(c==-1)goto RunProg;
}
FoundNew:;
}
RunProg:fclose(prog);
memset(pg,-1,20480);
uint8_t*op=r+comp(10112);
static void*ft[]={
&&OP0,&&OP1,&&OP2,0,&&OP4,&&OP5,&&OP6,&&OP7,&&OP8,&&OP9,
&&OP10,&&OP11,&&OP12,&&OP13,&&OP14,&&OP15,&&OP16,&&OP17,&&OP18,&&OP19,
&&OP20,&&OP21,&&OP22,&&OP23,&&OP24,&&OP25,&&OP26,&&OP27,&&OP28,
};
#define LOOP goto*ft[*op++]
LOOP;
OP0:
*++sp=*(int32_t*)op;
op+=4;
LOOP;
OP1:
*++sp=ps[*(uint16_t*)op];
op+=2;
LOOP;
OP2:
op+=2;
goto from2;
OP4:
if(sp>=st)*sp=*sp>*(int32_t*)op;else{st[0]=sp==st&&0>*(int32_t*)op;sp=st;}
op+=4;
LOOP;
OP5:
if(sp>=st){if(*(int32_t*)op)*sp%=*(int32_t*)op;}else*(sp=st)=0;
op+=4;
LOOP;
OP6:
if(sp>=st){if(*(int32_t*)op)*sp/=*(int32_t*)op;}else*(sp=st)=0;
op+=4;
LOOP;
OP7:
if(sp>=st)*sp*=*(int32_t*)op;else*(sp=st)=0;
op+=4;
LOOP;
OP8:
if(sp>=st)*sp-=*(int32_t*)op;else*(sp=st)=-*(int32_t*)op;
op+=4;
LOOP;
OP9:
if(sp>=st)*sp+=*(int32_t*)op;else*(sp=st)=*(int32_t*)op;
op+=4;
LOOP;
OP10:if(sp>st){sp--;*sp+=sp[1];}LOOP;
OP11:if(sp>st){sp--;*sp-=sp[1];}else if(sp==st)*sp*=-1;LOOP;
OP12:if(sp>st){sp--;*sp*=sp[1];}else sp=st-1;LOOP;
OP13:if(sp>st){sp--;if(sp[1])*sp/=sp[1];}else sp=st-1;LOOP;
OP14:if(sp>st){sp--;if(sp[1])*sp%=sp[1];}else sp=st-1;LOOP;
OP15:if(sp>st){sp--;*sp=*sp>sp[1];}else if(sp==st)*sp=0>*sp;LOOP;
OP16:if(sp>=st)*sp=!*sp;else*(sp=st)=1;LOOP;
OP17:sp-=sp>=st;LOOP;
OP18:if(sp>=st){sp[1]=*sp;sp++;}LOOP;
OP19:
if(sp>st){
int32_t t=*sp;
*sp=sp[-1];
sp[-1]=t;
}else if(sp==st){*++sp=0;}
LOOP;
OP20:printf("%d ",sp>=st?*sp--:0);LOOP;
OP21:putchar(sp>=st?*sp--:0);LOOP;
OP22:*++sp=getchar();LOOP;
OP23:scanf("%d",++sp);LOOP;
OP24:
if(sp>st){
sp--;
int x=*sp<<5|sp[1];
*sp=x>=0&&x<2560?ps[x]:0;
}else if(sp==st)*sp=*sp<25&&*sp>=0?ps[*sp]:0;else*++sp=ps[0];
LOOP;
OP25:{
int x;
switch(sp-st){
default:
sp-=3;
x=(sp[2]>=0&&sp[2]<80?sp[2]<<5:0)+(sp[3]>=0&&sp[3]<25?sp[3]:0);
ps[x]=sp[1];
case(-1)
x=0;
ps[0]=0;
case(0)
sp=st-1;
x=sp[1]<25&&sp[1]>=0?sp[1]:0;
ps[x]=0;
case(1)
sp=st-1;
x=(sp[1]>=0&&sp[1]<80?sp[1]<<5:0)+(sp[2]>=0&&sp[2]<25?sp[2]:0);
ps[x]=0;
}
if(0){from2:
x=*(uint16_t*)(op-2);
ps[x]=sp>=st?*sp--:0;
}
if(pro[x]){
memset(pro,0,2560);
memset(pg,-1,20480);
rl=0;
op=r+comp(*(uint16_t*)op);
}else op+=2;
}LOOP;
OP26:{
int j=getc(ran)&3;
uint16_t*i=(uint16_t*)(op+j*2);
if(*i==(uint16_t)-1){
*i=rl;
op=r+comp(*(uint16_t*)(op+8)|j);
}else op=r+*i;
}LOOP;
OP27:{
int j=sp>=st&&*sp--;
uint16_t*i=(uint16_t*)(op+j*2);
if(*i==(uint16_t)-1){
*i=rl;
op=r+comp(*(uint16_t*)(op+4));
}else op=r+*i;
}LOOP;
OP28:op=r+*(uint16_t*)op;LOOP;
}