path: root/docs/bqn.js

"use strict";
// Virtual machine
let has = x => x!==undefined;
let isnum = x => typeof x === "number"
let isfunc = x => typeof x === "function"
let call = (f,x,w) => {
  if (x===undefined) return x;
  if (!isfunc(f)) return f;
  if (f.m) throw Error("Runtime: Cannot call modifier as function");
  return f(x, w);
}

let findkey = (ns, names, i) => {
  let nn=ns.names, ni;
  if (nn===names) {
    return ns[i];
  } else {
    if (!has(nn.rev)) { let m=nn.rev={}; nn.forEach((s,i)=>m[s]=i); }
    return ns[nn.rev[names[i]]];
  }
}
let readns_sub = (v, names, i) => {
  let ni = findkey(v.ns, names, i);
  if (!has(ni)) throw Error("Unknown namespace key: "+names[i]);
  return v[ni];
}
let readns_assign = (v, vid, i) => readns_sub(v, vid.names, vid[i]);
let readns = (v, vid, i) => {
  if (!v.ns) throw Error("Key lookup in non-namespace");
  return readns_sub(v, vid.names, i);
}
let makens = (keys, vals) => {
  let n = Array(keys.length).fill().map((_,i)=>i);
  n.names=keys.map(k=>k.toLowerCase()); vals.ns=n; return vals;
}
let obj2ns = (obj, keys, f) => makens(keys, keys.map(k=>(f?f:(v=>v))(obj[k])));
let listkeys = (x,w) => {
  let s=x.ns, k=Object.keys(s).filter(n=>!isNaN(n));
  return list(k.map(n=>s.names[+n]).sort().map(str));
}

let getv= (a,i) => { let v=a[i]; if (v===null) throw Error("Runtime: Variable referenced before definition"); return v; }
let get = x => x.e ? getv(x.e,x.p) : arr(x.map(c=>get(c)), x.sh);
let set = (d, id, v) => {
  let eq = (a,b) => a.length===b.length && a.every((e,i)=>e===b[i]);
  if (id.e) {
    if (!d && id.e[id.p]===null) throw Error("↩: Variable modified before definition");
    id.e[id.p] = v;
  } else if (id.match) {
    if (!call(runtime[18],id.v,v)) throw Error();
  } else {
    if (v.sh) {
      if (!eq(id.sh,v.sh)) throw Error("← or ↩: Target and value shapes don't match");
      id.map((n,j)=>set(d,n,v[j]));
    } else if (v.ns) {
      id.map(n=>{
        if (n.e) {
          let vid=n.e.vid; set(d,n,readns_assign(v, vid, n.p));
        } else if (n.m) {
          set(d, n.m, readns(v, n.vid, n.a));
        } else {
          throw Error("← or ↩: Cannot extract non-name from namespace");
        }
      });
    } else {
      throw Error("← or ↩: Multiple targets but atomic value");
    }
  }
  return v;
}

let chkM = (v,m) => { if (m.m!==v) throw Error("Runtime: Only a "+v+"-modifier can be called as a "+v+"-modifier"); }
let genjs = (B, p, L) => { // Bytecode -> Javascript compiler
  let rD = 0;
  let r = L?"let l=0;try{":"";
  let fin = L?"}catch(er){let s=L.map(p=>p[l]);s.sh=[1,2];let m=[s,er.message];m.loc=1;m.src=e.vid.src;m.sh=[2];er.message=m;throw er;}":"";
  let szM = 1;
  let rV = n => { szM=Math.max(szM,n+1); return 'v'+n; };
  let rP = val => rV(rD++) + "="+val+";";
  let rG = () => rV(--rD);
  let num = () => { return B[p++]; }
  let ge = n => "e"+".p".repeat(n);
  loop: while(true) { r+="\n";
    if (p>B.length) throw Error("Internal compiler error: Unclosed function");
    if (L) r+="l="+p+";";
    switch(B[p++]) {
      case 0:          { r+= rP("O["+num()+"]");                                                                              break; }
      case 3: case  4: { let n=num(); rD-= n;      r+=rP("llst(["+(new Array(n).fill().map((_,i)=>rV(rD+i)).join(","))+"])"); break; }
      case 5: case 16: { let        f=rG(),x=rG(); r+=rP("call("+f+","+x      +")");                                          break; }
      case 6: case 17: { let w=rG(),f=rG(),x=rG(); r+=rP("call("+f+","+x+","+w+")");                                          break; }
      case 7:          { let f=rG(),m=rG();        r+="chkM(1,"+m+");"+rP(m+"("+f      +")");                                 break; }
      case 8:          { let f=rG(),m=rG(),g=rG(); r+="chkM(2,"+m+");"+rP(m+"("+f+","+g+")");                                 break; }
      case 9:          { let        g=rG(),h=rG(); r+=rP("train2("      +g+","+h+")");                                        break; }
      case 10:case 19: { let f=rG(),g=rG(),h=rG(); r+=rP("train3("+f+","+g+","+h+")");                                        break; }
      case 11:         { let i=rG(),       v=rG(); r+=rP("set(1,"+i+","+v                       +")");                        break; }
      case 12:         { let i=rG(),       v=rG(); r+=rP("set(0,"+i+","+v                       +")");                        break; }
      case 13:         { let i=rG(),f=rG(),x=rG(); r+=rP("set(0,"+i+",call("+f+","+x+",get("+i+")))");                        break; }
      case 23:         { let m=rG(); r+=rP("{match:1,v:"+m+"}");                                                              break; }
      case 24:         { let i=rG(),       v=rG(); r+="try{set(1,"+i+","+v+");}catch(e){break;}";                             break; }
      case 14:         { rD--;                                                                                                break; }
      case 15:         { r+= rP("D["+num()+"](e)");                                                                           break; }
      case 18:         { r+= "if(undefined==="+rV(rD-1)+")throw Error('Left argument required');";                            break; }
      case 21:case 31: { r+= rP("getv("+ge(num())+","+num()+")");                                                             break; }
      case 22:         { r+= rP("{e:"+ge(num())+",p:"+num()+"}");                                                             break; }
      case 28:         { let m=rG(); r+=rP("{vid:e.vid,m:"+m+",a:"+num()+"}");                                                break; }
      case 26:         { let v=rG(); r+=rP("readns("+v+",e.vid,"+num()+")");                                                  break; }
      case 25:         { if(rD!==1) throw Error("Internal compiler error: Wrong stack size"); r+= "return v0;";               break loop; }
      case 29:         { r+= "e.ns=e.vid.ns;return e;";                                                                       break loop; }
    }
  }
  return "let "+new Array(szM).fill().map((_,i)=>rV(i)).join(',')+";"+r+fin;
}
let run = (B,O,F,S,L,T,src,env) => { // Bytecode, Objects, Blocks, Bodies, Locations, Tokenization, source
  let train2=(  g,h)=>{                              let t=(x,w)=>call(g,call(h,x,w));            t.repr=()=>[2,  g,h];return t;}
  let train3=(f,g,h)=>{if(!has(f))return train2(g,h);let t=(x,w)=>call(g,call(h,x,w),call(f,x,w));t.repr=()=>[3,f,g,h];return t;}
  let repdf = ["","4,f,mod","5,f,mod,g"].map(s=>s?"fn.repr=()=>["+s+"];":s);

  let D = F.map(([type,imm,ind],i) => {
    let I = imm ? 0 : 3; // Operand start
    let sp = (type===0?0:type+1) + I;
    let useenv = i===0 && env;
    let gen = j => {
      let [pos,varam,vid,vex] = S[j];
      let ns = {}; if (vex) vex.forEach((e,j)=>{if(e)ns[vid[j]]=j+sp;});
      vid = (new Array(sp).fill(null)).concat(vid); vid.src=src; vid.ns=ns;
      if (T) ns.names = vid.names = T[2][0].map(s=>s.join(""));
      return [genjs(B, pos, L), vid];
    }

    let c,vid,def;
    if (isnum(ind)) {
      [c,vid] = gen(ind);
      if (useenv)   c =          "const e=env;"+c;
      else if (imm) c =          "const e=[...e2];e.vid=vid;e.p=oe;"+c;
      else c = "const fn=(x, w)=>{const e=[...e2];e.vid=vid;e.p=oe;e[0]=fn;e[1]=x;e[2]=w;"+c+"};"+repdf[type]+"return fn;";
      c="do {"+c+"} while (0);\n";
      def = useenv ? "env" : ("new Array("+vid.length+").fill(null)");
    } else {
      if (imm || ind.length!==2) throw "Internal error: malformed block info";
      let cache=[]; // Avoid generating a shared case twice
      let l=0;
      vid=[]; let g = j => {
        let [c,v] = cache[j] || (cache[j] = gen(j));
        c = "const e=[...e1];e.vid=vid["+vid.length+"];e.p=oe;e.length="+v.length+";e.fill(null,"+sp+");"+c;
        vid.push(v);
        return "do {"+c+"} while (0);\n"
      }
      let [mon,dy] = ind.map(js => {
        let e = js.length?"No matching case":"Left argument required";
        return js.map(g).concat(["throw Error('"+e+"');\n"]).join("");
      });
      def = "new Array("+sp+").fill(null)";
      c = "const fn=(x, w)=>{const e1=[...e2];e1[0]=fn;e1[1]=x;e1[2]=w;\n"
        + "if (w===undefined) {\n"+mon+"} else {\n"+dy+"}\n"
        + "};"+repdf[type]+"return fn;";
    }

    let de2 = "let e2="+def+";"
    if (type===0) c = de2+c;
    if (type===1) c = "const mod=(f  ) => {"+de2+" e2["+I+"]=mod;e2["+(I+1)+"]=f;"                +c+"}; mod.m=1;return mod;";
    if (type===2) c = "const mod=(f,g) => {"+de2+" e2["+I+"]=mod;e2["+(I+1)+"]=f;e2["+(I+2)+"]=g;"+c+"}; mod.m=2;return mod;";
    return Function("'use strict'; return (chkM,has,call,getv,get,set,llst,train2,train3,readns,O,L,env,vid) => D => oe => {"+c+"};")()
                                          (chkM,has,call,getv,get,set,llst,train2,train3,readns,O,L,env,vid);
  });
  D.forEach((d,i) => {D[i]=d(D)});
  return D[0]([]);
}

// Runtime
let assertFn = pre => (x,w) => {
  if (x!==1) throw {kind:pre, message:w}; return x;
}
let arr = (r,sh,fill) => {r.sh=sh;r.fill=fill;return r;}
let list = (l,fill) => arr(l,[l.length],fill);
let llst = l => list(l, l.length>0&&l.every(isnum)?0:undefined);
let str = s => list(Array.from(s), ' ');
let unstr = s => s.join("");
let setrepr = (r,f) => {f.repr=r; return f;}
let m1 = m=>{let r= f   =>setrepr(()=>[4,f,r  ], m(f  )); r.m=1; return r;}
let m2 = m=>{let r=(f,g)=>setrepr(()=>[5,f,r,g], m(f,g)); r.m=2; return r;}
let ctrans = (c,t) => String.fromCodePoint(c.codePointAt(0)+t);
let plus = (x,w) => {
  if (!has(w)) return x;
  let s=typeof w, t=typeof x;
  if (s==="number" && t==="number") return w+x;
  if (s==="number" && t==="string") return ctrans(x,w);
  if (s==="string" && t==="number") return ctrans(w,x);
  if (s==="string" && t==="string") throw Error("+: Cannot add two characters");
  throw Error("+: Cannot add non-data values");
}
let minus = (x,w) => {
  if (!isnum(x)) {
    if (has(w)&&typeof w==="string") return w.codePointAt(0)-x.codePointAt(0);
    throw Error("-: Can only negate numbers");
  }
  if (!has(w)) return -x;
  let s=typeof w;
  if (s==="number") return w-x;
  if (s==="string") return ctrans(w,-x);
  throw Error("-: Cannot subtract from non-data value");
}
let times = (x,w) => {
  if (isnum(x)&&isnum(w)) return x*w;
  throw Error("×: Arguments must be numbers");
}
let divide = (x,w) => {
  if (isnum(x)&&(!has(w)||isnum(w))) return (has(w)?w:1)/x;
  throw Error("÷: Arguments must be numbers");
}
let power = (x,w) => {
  if (isnum(x)) {
    if (!has(w)) return Math.exp(x);
    if (isnum(w)) return Math.pow(w,x);
  }
  throw Error("⋆: Arguments must be numbers");
}
let log = (x,w) => {
  if (isnum(x)) {
    if (!has(w)) return Math.log(x);
    if (isnum(w)) return Math.log(x)/Math.log(w);
  }
  throw Error("⋆⁼: Arguments must be numbers");
}
let fc = (dy,mon,gl) => (x,w) => {
  if (has(w)) return dy(w,x);
  if (isnum(x)) return mon(x);
  throw Error(gl+"𝕩: Argument must be a number");
}
let floor = fc(Math.min,Math.floor,"⌊");
let ceil  = fc(Math.max,Math.ceil ,"⌈");
let abs = (x,w) => {
  if (isnum(x)) return Math.abs(x);
  throw Error("|𝕩: Argument must be a number");
}
let lesseq = (x,w) => {
  let s=typeof w, t=typeof x;
  if (s==="function"||t==="function") throw Error("𝕨≤𝕩: Cannot compare operations");
  if (w.ns||x.ns) throw Error("𝕨≤𝕩: Cannot compare namespaces");
  return +(s!==t ? s<=t : w<=x);
}
let equals = (x,w) => {
  let a,b;
  if (typeof(w)!=="function" || !(a=w.repr)) return x===w;
  if (typeof(x)!=="function" || !(b=x.repr)) return false;
  b=b(); return a().every((e,i)=>call(runtime[18],e,b[i]));  // ≡
}
let table = m1(f => (x,w) => !has(w)
  ? arr(x.map(e=>call(f,e)),x.sh)
  : arr([].concat.apply([],w.map(d=>x.map(e=>call(f,e,d)))),w.sh.concat(x.sh)));
let scan = m1(f => (x,w) => {
  let s=x.sh;
  if (!s||s.length===0) throw Error("`: 𝕩 must have rank at least 1");
  if (has(w)) {
    let r=w.sh, wr=r?r.length:0;
    if (1+wr!==s.length) throw Error("`: rank of 𝕨 must be cell rank of 𝕩");
    if (!r) w=[w];
    else if (!r.every((l,a)=>l===s[1+a])) throw Error("`: shape of 𝕨 must be cell shape of 𝕩");
  }
  let l=x.length,r=Array(l);
  if (l>0) {
    let c=1;for(let i=1;i<s.length;i++)c*=s[i];
    let i=0;
    if (!has(w)) { for(;i<c;i++) r[i]=x[i]; }
    else         { for(;i<c;i++) r[i]=call(f,x[i],w[i]); }
    for(;i<l;i++) r[i]=call(f,x[i],r[i-c]);
  }
  return arr(r,s,x.fill);
});
let cases = m2((f,g) => (x,w)=>has(w)?call(g,x,w):call(f,x,w));
let catches = m2((f,g) =>
  (x,w)=>{try{return call(f,x,w);}catch(e){return call(g,x,w);}});
let group_len = (x,w) => { // ≠¨⊔ for a valid list argument
  let l=x.reduce((a,b)=>Math.max(a,b),(w||0)-1);
  let r=Array(l+1).fill(0);
  x.map(e=>{if(e>=0)r[e]+=1;});
  return list(r,0);
}
let group_ord = (x,w) => { // ∾⊔x assuming w=group_len(x)
  let l=0,s=w.map(n=>{let l0=l;l+=n;return l0;});
  let r=Array(l);
  x.map((e,i)=>{if(e>=0)r[s[e]++]=i;});
  return list(r,x.fill);
}
let type = x => isfunc(x) ? 3+(x.m||0) : x.sh ? 0 : x.ns ? 6 : 2-isnum(x);
let tofill = x => isfunc(x) ? undefined
  : x.sh ? arr(x.map(tofill),x.sh,x.fill)
  : isnum(x)?0 : ' ';
let fill = (x,w) => {
  if (has(w)) {
    return arr(x.slice(),x.sh,tofill(w));
  } else {
    let f = x.fill;
    if (!has(f)) throw Error("Fill does not exist");
    return f;
  }
}
let fill_by = (f,g) => (x,w) => {
  let r = f(x,w);
  let a2fill = x => isfunc(x)?x:isnum(x)?0:' ';
  let xf=x.sh?x.fill:a2fill(x);
  if (r.sh&&has(xf)) {
    try {
      let wf = !has(w) ? w
             : !w.sh ? a2fill(w)
             : has(w.fill) ? w.fill : runtime[42];
      r.fill=tofill(g(xf,wf));
    } catch(e){
      r.fill=undefined;
    }
  }
  return r;
}
fill_by.m=2;

let provide = [
  type                                               // Type
 ,fill                                               // Fill
 ,log                                                // Log
 ,group_len                                          // GroupLen
 ,group_ord                                          // GroupOrd
 ,assertFn("")                                       // !
 ,plus                                               // +
 ,minus                                              // -
 ,times                                              // ×
 ,divide                                             // ÷
 ,power                                              // ⋆
 ,floor                                              // ⌊
 ,(x,w) => has(w)?+equals(x,w):x.sh?x.sh.length:0    // =
 ,lesseq                                             // ≤
 ,(x,w) => list(x.sh,0)                              // ≢
 ,(x,w) => arr(x.slice(),has(w)?w:[x.length],x.fill) // ⥊
 ,(x,w) => x[w]                                      // ⊑
 ,(x,w) => list(Array(x).fill().map((_,i)=>i),0)     // ↕
 ,table                                              // ⌜
 ,scan                                               // `
 ,fill_by                                            // _fillBy_
 ,cases                                              // ⊘
 ,catches                                            // ⎊
];

let select = (x,w) => {
  let s=x.sh, k=s.length, f=x.fill, t=w.sh, c=1;
  if (k!==1) {for(let i=1;i<k;i++)c*=s[i];t=t.concat(s.slice(1));}
  let r=Array(w.length*c);
  let j=0;
  w.forEach(i=>{for(let k=0;k<c;k++)r[j++]=x[i*c+k];});
  return arr(r,t,f);
}
let fold = f => (x,w) => {
  let l=x.sh[0];
  let r=has(w)?w:x[l=l-1];
  for (let i=l;i--;) r=call(f,r,x[i]);
  return r;
}
let runtime_0 = [
  floor                                                   // ⌊
 ,ceil                                                    // ⌈
 ,abs                                                     // |
 ,(x,w)=>has(w)?1-lesseq(w,x):arr([x],[],tofill(x))       // <
 ,(x,w)=>1-lesseq(x,w)                                    // >
 ,(x,w)=>x.sh&&x.sh.length?x.sh[0]:1                      // ≠
 ,(x,w)=>  lesseq(w,x)                                    // ≥
 ,(x,w)=>x                                                // ⊢
 ,(x,w)=>has(w)?w:x                                       // ⊣
 ,(x,w)=>arr(w.concat(x),[w.sh[0]+x.sh[0]])               // ∾
 ,(x,w)=>arr(x.slice(0,w),[w])                            // ↑
 ,(x,w)=>arr(x.slice(w),[x.sh[0]-w])                      // ↓
 ,select                                                  // ⊏
 ,m1(f=>(x,w)=>f)                                         // ˙
 ,m1(f=>(x,w)=>call(f,has(w)?w:x,x))                      // ˜
 ,m1(f=>(x,w)=>arr(x.map((e,i)=>call(f,e,w[i])),x.sh))    // ¨
 ,m1(fold)                                                // ´
 ,m2((f,g)=>(x,w)=>call(f,call(g,x,w)))                   // ∘
 ,m2((f,g)=>(x,w)=>call(f,call(g,x),has(w)?call(g,w):w))  // ○
 ,m2((f,g)=>(x,w)=>call(g,x,call(f,has(w)?w:x)))          // ⊸
 ,m2((f,g)=>(x,w)=>call(f,call(g,x),has(w)?w:x))          // ⟜
 ,m2((f,g)=>(x,w)=>call(g[call(f,x,w)],x,w))              // ◶
 ,m2((f,g)=>(x,w)=>call(g,x,w)?call(f,x,w):x)             // ⍟
];

let [runtime,setPrims] = run(
  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 ,[provide[0],provide[1],provide[2],provide[3],provide[4],provide[5],provide[6],provide[7],provide[8],provide[9],provide[10],runtime_0[0],provide[12],provide[13],provide[14],provide[15],provide[16],provide[17],runtime_0[1],runtime_0[2],runtime_0[3],runtime_0[4],runtime_0[5],runtime_0[6],runtime_0[7],runtime_0[8],runtime_0[9],runtime_0[10],runtime_0[11],runtime_0[12],provide[18],provide[19],runtime_0[13],runtime_0[14],runtime_0[15],runtime_0[16],provide[20],provide[21],provide[22],runtime_0[17],runtime_0[18],runtime_0[19],runtime_0[20],runtime_0[21],runtime_0[22],0,1,2,Infinity,-Infinity,-1,3,8,5,4,'∾','+','-','×','÷','⋆','¬','⌊','⌈','∨','∧','≠','=','>','≥','\0','˙','√','<','⊢','⊣','≍','↑','↓','↕','⌽','⍉','/','⊔','˜','¨','⌜','˘','`','∘','○','⌾','⍟','⊘','⊸','⟜',str("+-×÷⋆√⌊⌈|¬∧∨<>≠=≤≥≡≢⊣⊢⥊∾≍↑↓↕«»⌽⍉/⍋⍒⊏⊑⊐⊒∊⍷⊔!˙˜˘¨⌜⁼´˝`∘○⊸⟜⌾⊘◶⎉⚇⍟⎊%"),str("´: Identity not found"),str("´: 𝕩 must be a list"),str("Mapping: Equal-rank argument shapes don\'t agree"),str("Mapping: Argument shape prefixes don\'t 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Shape must be exact when reshaping with ∘"),str("𝕨⥊𝕩: Can\'t produce non-empty array from empty 𝕩"),str("⊔: Grouping argument must consist of integers"),str("⊔: Grouping argument values cannot be less than ¯1"),str("⊔𝕩: 𝕩 must be a list"),str("𝕨⊔𝕩: Rank of simple 𝕨 must be at most rank of 𝕩"),str("𝕨⊔𝕩: Lengths of 𝕨 must equal to 𝕩, or one more only in a rank-1 component"),str("𝕨⊔𝕩: 𝕩 must be an array"),str("⎉ or ⚇: 𝔾 result must have rank at most 1"),str("⎉ or ⚇: 𝔾 result must have 1 to 3 elements"),str("⎉ or ⚇: 𝔾 result must consist of integers"),str("⍟: 𝕨𝔾𝕩 must consist of integers"),str("≥: Needs two arguments"),str("≤: Needs two arguments"),str("𝕨⊔𝕩: Compound 𝕨 must be a list"),str("𝕨⊔𝕩: Total rank of 𝕨 must be at most rank of 𝕩"),str("⊒: Rank of 𝕨 must be at least 1"),str("⊒: Rank of 𝕩 must be at least cell rank of 𝕨"),str("𝕨⍉𝕩: 𝕨 must have rank at most 1"),str("𝕨⍉𝕩: Length of 𝕨 must not exceed rank of 𝕩"),str("𝕨⍉𝕩: 𝕨 must consist of natural numbers"),str("𝕨⍉𝕩: Skipped result axis"),str("Cannot currently invert blocks"),str("Cannot invert modifier"),str("⁼: Inverse failed"),str("⁼: Inverse does not exist"),str("⁼: Inverse not found")]
 ,[[0,1,0],[0,0,1],[0,0,2],[0,0,3],[0,0,4],[0,0,[[],[5]]],[0,0,6],[1,1,7],[2,1,8],[1,1,9],[0,0,10],[2,1,11],[0,0,12],[1,0,13],[1,1,14],[1,1,15],[0,0,16],[0,0,17],[1,0,18],[0,0,[[],[19]]],[1,1,20],[1,1,21],[1,0,22],[0,0,[[],[23]]],[0,0,24],[0,0,25],[0,0,26],[0,0,27],[0,0,28],[0,0,29],[0,0,30],[0,0,31],[0,0,32],[0,0,[[],[33]]],[0,0,34],[0,0,[[],[35]]],[1,1,36],[0,0,37],[0,0,[[],[38]]],[0,0,[[],[39]]],[0,0,40],[0,0,41],[0,0,[[],[42]]],[0,0,[[],[43]]],[0,1,44],[0,0,45],[0,0,[[],[46]]],[0,0,47],[0,0,48],[0,0,[[],[49]]],[2,1,50],[1,0,51],[1,0,52],[0,0,53],[0,0,[[],[54]]],[2,0,55],[0,0,56],[0,0,[[],[57]]],[0,0,58],[2,1,59],[0,0,60],[0,0,61],[0,0,62],[0,0,63],[0,0,[[],[64]]],[0,0,[[],[65]]],[0,0,66],[0,0,67],[0,0,68],[0,1,69],[1,1,70],[0,0,71],[0,0,72],[0,0,73],[0,0,74],[0,0,[[],[75]]],[0,0,76],[1,0,77],[1,0,78],[0,0,[[],[79]]],[1,0,80],[0,0,81],[0,0,[[],[82]]],[0,0,[[],[83]]],[0,0,[[],[84]]],[1,1,85],[2,0,86],[2,0,87],[2,0,88],[0,0,[[],[89]]],[0,0,[[],[90]]],[0,0,[[],[91]]],[0,0,[[],[92]]],[0,0,[[],[93]]],[0,0,[[],[94]]],[0,0,[[],[95]]],[1,1,96],[2,0,97],[1,1,98],[0,0,99],[0,0,100],[0,0,[[],[101]]],[0,0,102],[0,0,103],[0,0,104],[0,0,105],[0,0,[[],[106]]],[0,0,107],[0,0,[[],[108]]],[0,0,109],[2,0,110],[0,0,111],[0,0,[[],[112]]],[0,0,113],[0,0,[[],[114]]],[0,0,115],[0,0,116],[0,0,117],[0,0,118],[0,0,119],[0,0,120],[0,0,121],[1,1,122],[0,0,[[],[123]]],[0,0,[[],[124]]],[0,0,[[],[125]]],[0,0,[[],[126]]],[0,0,[[],[127]]],[0,0,[[],[128]]],[0,0,129],[0,0,[[],[130]]],[2,0,131],[0,0,132],[0,0,133],[0,0,134],[1,0,135],[1,0,[[],[136]]],[0,0,137],[0,0,[[],[138]]],[0,0,[[],[139]]],[0,0,140],[0,0,141],[0,0,142],[0,0,143],[0,0,[[],[144]]],[0,0,[[],[145]]],[0,0,146],[2,0,147],[0,0,[[],[148]]],[0,0,149],[0,0,[[],[150]]],[0,0,[[],[151]]],[0,0,152],[1,1,153],[0,0,154],[0,0,[[],[155]]],[0,0,156],[0,0,[[],[157]]],[0,0,158],[0,0,[[],[159]]],[0,0,160],[0,0,161],[0,0,[[],[162]]],[2,0,163],[0,0,[[],[164]]],[0,0,[[],[165]]],[0,0,166],[0,0,167],[1,0,[[],[168]]],[0,0,[[],[169]]],[1,0,170],[0,0,171],[1,0,172],[2,0,[[],[173]]],[0,0,174],[0,0,175],[0,0,[[],[176]]],[0,0,177],[0,0,178],[0,0,[[],[179]]],[1,0,[[],[180]]],[1,1,181],[0,0,[[],[182]]],[0,0,[[],[183]]],[0,0,[[],[184]]],[0,0,[[],[185]]],[0,0,[[],[186]]],[0,0,[[],[187]]],[0,0,[[],[188]]],[0,0,189],[0,0,190],[1,1,191],[0,0,192],[0,0,[[],[193]]],[0,0,[[],[194]]],[0,0,195],[0,0,196],[0,0,197],[0,0,198],[0,0,199],[0,0,200],[0,0,201],[0,0,202],[0,0,203],[0,0,[[],[204]]],[0,0,205],[2,1,206],[2,1,207],[1,1,208],[1,1,209],[1,1,210],[0,0,[[],[211]]],[0,0,212],[0,0,213],[0,0,214],[0,0,[[],[215]]],[0,0,216],[0,0,[[],[217]]],[0,0,[[],[218]]],[0,0,[[],[219]]],[1,1,220],[0,0,221],[0,0,[[],[222]]],[0,0,223],[1,0,224],[0,0,225],[0,0,[[],[226]]],[0,0,227],[0,0,228],[0,0,[[],[229]]],[0,0,230],[0,0,231],[0,0,232],[0,0,233],[0,0,[[],[234]]],[0,0,235],[2,0,236],[0,0,[[],[237]]],[0,0,238],[0,0,239],[1,0,240],[0,0,241],[0,0,242],[1,0,243],[0,0,[[],[244]]],[0,0,245],[0,0,246],[1,0,247],[0,0,[[],[248]]],[0,0,[[],[249]]],[0,0,250],[0,0,251],[0,0,[[],[252]]],[0,0,253],[0,0,[[],[254]]],[0,0,255],[0,0,256],[1,0,257],[0,0,258],[0,0,259],[0,0,[[],[260]]],[0,0,261],[1,0,262],[0,0,263],[0,0,[[],[264]]],[2,0,265],[1,1,266],[1,1,267],[0,0,268],[0,0,269],[0,0,270],[0,0,271],[0,0,272],[0,0,273],[0,0,274],[0,0,275],[0,0,276],[0,0,[[],[277]]],[0,0,278],[0,0,[[],[279]]],[0,0,280],[0,0,281],[0,0,[[],[282]]],[1,1,283],[2,1,284],[0,0,285],[0,0,[[],[286]]],[0,0,287],[0,0,[[],[288]]],[0,0,289],[1,0,290],[0,0,[[],[291]]],[0,0,292],[0,0,293],[0,0,294],[0,0,295],[0,0,[[],[296]]],[0,0,[[],[297]]],[0,0,298],[0,0,299],[0,0,300],[0,0,301]]
 ,[[0,184],[4073,3],[4081,3],[4085,3],[4098,3],[4110,3],[4119,3],[4125,2],[4154,3],[4186,2],[4203,4],[4265,5],[4301,3],[4308,5],[4366,4],[4432,3],[4487,3],[4498,4],[4563,9],[4632,5],[4709,5],[4776,4],[4832,8],[5004,8],[5161,3],[5206,3],[5255,3],[5372,6],[5457,3],[5481,7],[5595,3],[5657,4],[5728,6],[5792,3],[5832,5],[5909,3],[5926,14],[6106,3],[6152,3],[6172,3],[6189,4],[6247,4],[6323,5],[6397,3],[6456,0],[6467,4],[6547,3],[6557,3],[6564,3],[6578,3],[6586,3],[6624,5],[6661,5],[6688,3],[6692,3],[6706,16],[7001,3],[7026,3],[7051,3],[7078,3],[7137,4],[7237,7],[7434,7],[7480,14],[7704,5],[7783,3],[7791,6],[7818,5],[7839,6],[7866,11],[8199,9],[8356,4],[8432,7],[8544,7],[8661,3],[8769,4],[8831,8],[8943,8],[9017,7],[9079,9],[9237,9],[9385,4],[9496,8],[9710,3],[9754,3],[9891,2],[9912,14],[10037,9],[10219,10],[10292,3],[10318,10],[10726,4],[10831,3],[10905,3],[10956,4],[11083,4],[11199,2],[11207,6],[11222,2],[11281,3],[11289,3],[11297,3],[11317,8],[11392,3],[11400,3],[11408,3],[11416,3],[11424,3],[11432,3],[11443,3],[11464,7],[11505,6],[11724,4],[11824,3],[11867,5],[12005,3],[12052,3],[12078,3],[12111,3],[12155,3],[12203,3],[12215,3],[12288,2],[12314,4],[12350,3],[12365,3],[12394,3],[12409,3],[12427,3],[12441,3],[12451,3],[12503,6],[12531,3],[12559,3],[12567,3],[12575,5],[12610,12],[12783,3],[12794,3],[12814,3],[12834,3],[12845,3],[12856,3],[12871,7],[12944,6],[12990,3],[13008,3],[13015,6],[13050,10],[13227,4],[13283,11],[13484,4],[13551,3],[13576,2],[13591,3],[13618,7],[13759,3],[13788,3],[13798,3],[13817,3],[13827,3],[13836,3],[13846,3],[13863,11],[13936,6],[14039,8],[14117,3],[14125,3],[14167,7],[14193,9],[14439,5],[14455,6],[14577,5],[14610,6],[14639,3],[14649,3],[14659,4],[14698,4],[14721,3],[14729,3],[14754,6],[14850,2],[14900,8],[15081,11],[15286,3],[15345,3],[15372,3],[15389,3],[15406,8],[15588,3],[15602,3],[15633,2],[15667,3],[15702,3],[15723,3],[15744,5],[15815,3],[15835,8],[16065,3],[16133,3],[16163,3],[16194,3],[16228,5],[16295,3],[16304,3],[16317,3],[16321,3],[16329,3],[16339,2],[16353,2],[16368,6],[16462,3],[16472,3],[16479,9],[16613,3],[16639,3],[16657,3],[16681,3],[16702,3],[16713,3],[16726,2],[16730,3],[16766,5],[16868,3],[16915,5],[16938,3],[16955,14],[17239,13],[17436,3],[17479,4],[17562,3],[17598,3],[17627,3],[17638,4],[17674,7],[17811,10],[18001,6],[18036,3],[18101,3],[18129,4],[18152,5],[18163,4],[18174,4],[18185,5],[18205,4],[18280,3],[18313,3],[18343,5],[18368,3],[18434,3],[18448,3],[18459,5],[18558,4],[18687,3],[18711,3],[18757,3],[18790,3],[18819,5],[18851,3],[18887,3],[18913,3],[18941,3],[18963,5],[18973,3],[19006,3],[19026,6],[19041,2],[19049,2],[19057,5],[19095,3],[19105,3],[19121,5],[19172,3],[19197,6],[19306,3],[19346,3],[19387,5],[19437,6],[19574,3],[19582,8],[19639,5],[19668,3],[19683,3],[19733,2],[19751,3],[19772,3],[19790,3],[19819,3],[19838,3],[19857,6],[19936,5],[19951,14],[20115,3],[20136,3],[20152,4],[20208,3],[20240,3],[20323,3],[20357,3],[20386,3],[20403,3],[20420,3]]
);

let rtAssert = runtime[42] = assertFn("!");
runtime.map((r,i) => { r.prim = i; });
let decompose = x => list(!isfunc(x) ? [-1,x] : has(x.prim) ? [0,x]
                        : x.repr ? x.repr() : [1,x]);
setPrims(list([decompose, x=>has(x.prim)?x.prim:runtime.length]));
let glyphs = ["+-×÷⋆√⌊⌈|¬∧∨<>≠=≤≥≡≢⊣⊢⥊∾≍↑↓↕«»⌽⍉/⍋⍒⊏⊑⊐⊒∊⍷⊔!", "˙˜˘¨⌜⁼´˝`", "∘○⊸⟜⌾⊘◶⎉⚇⍟⎊"];
let gl = glyphs.join("");
let glyph = x => {
  let g = gl[x.prim];
  if (!has(g)) throw Error("•Glyph 𝕩: 𝕩 must be a primitive");
  return g;
}

// Compiler
runtime[42] = assertFn("Compiler");
let compgen = run(
  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0,42,0,64,0,56,0,33,8,7,0,41,21,1,6,7,0,22,21,1,5,10,10,0,29,0,50,0,9,8,9,10,0,42,0,40,7,0,63,10,8,25,21,1,15,0,21,0,63,6,0,30,21,0,1,6,0,13,21,2,16,0,34,5,0,0,0,67,6,6,21,1,13,0,21,0,63,10,0,30,31,0,1,10,21,1,10,0,130,8,5,25,31,0,1,0,6,22,1,24,13,0,14,0,68,6,21,1,25,21,1,10,31,0,4,8,5,25,21,2,27,21,2,25,31,0,1,6,0,9,21,1,44,0,14,0,63,6,6,25,21,1,5,0,33,0,52,21,0,1,8,0,54,21,1,5,0,33,21,0,2,17,8,5,22,1,5,12,14,21,1,6,0,33,0,52,31,0,2,8,0,54,21,1,6,0,33,31,0,1,6,8,5,22,1,6,12,25,21,1,23,0,33,21,0,1,6,0,2,0,52,0,8,8,21,1,108,6,0,6,22,1,109,13,0,14,0,68,6,21,1,29,0,50,0,31,8,0,33,31,0,1,10,21,1,10,0,153,8,5,25,21,1,135,0,33,0,52,21,0,1,8,0,13,0,52,0,27,8,9,0,51,0,10,8,21,1,136,6,0,8,5,21,1,120,0,30,0,52,21,1,124,8,0,53,0,21,8,9,0,33,31,0,1,10,21,1,10,0,160,8,5,25,21,0,1,0,27,5,0,0,31,0,2,17,0,49,0,6,7,5,0,6,31,0,1,6,25,0,36,0,14,0,18,0,50,0,13,8,10,0,42,0,30,7,0,19,10,0,0,31,0,2,10,0,42,0,33,7,21,3,8,10,0,21,0,105,10,0,21,31,0,1,10,0,21,0,123,10,25]
 ,[runtime[0],runtime[1],runtime[2],runtime[3],runtime[4],runtime[6],runtime[7],runtime[8],runtime[9],runtime[10],runtime[11],runtime[12],runtime[13],runtime[14],runtime[15],runtime[16],runtime[17],runtime[19],runtime[20],runtime[21],runtime[22],runtime[23],runtime[24],runtime[25],runtime[26],runtime[27],runtime[28],runtime[29],runtime[30],runtime[31],runtime[32],runtime[33],runtime[34],runtime[35],runtime[36],runtime[37],runtime[38],runtime[39],runtime[40],runtime[41],runtime[42],runtime[43],runtime[44],runtime[45],runtime[46],runtime[47],runtime[48],runtime[49],runtime[50],runtime[51],runtime[52],runtime[53],runtime[54],runtime[55],runtime[56],runtime[58],runtime[59],runtime[61],10,-1,11,26,9,0,1,5,8,4,2,3,-3,-2,6,17,3.1415926535898,Infinity,-4,-5,-6,21,13,15,23,14,28,19,25,'\0','0','#','\'','\"','@',str("⋄,"),str(":;"),str("⇐←↩"),str("(){}⟨⟩"),str("‿"),str("·"),str("𝕊𝕏𝕎𝔽𝔾𝕤𝕩𝕨𝕣𝕗𝕘"),str(".¯π∞"),str("_"),str("aA"),str("•"),str("𝕨"),str(" "),str("#\'\"@"),str("s"),str("Unknown character"),str(": "),str("Unclosed quote"),str("Words can\'t only have underscores"),str("System dot with no name"),str("𝕣 can\'t be used with other word characters"),str("Numbers can\'t start with underscores"),str("Letter"),str(" \""),str("\" not allowed in numbers"),str("ea"),str("Negative sign in the middle of a number"),str("Portion of a number is empty"),str("Ill-formed decimal or exponent use"),str("π and ∞ must occur alone"),str("Missing "),str("opening"),str("closing"),str("Malformed bracket nesting"),str("Empty program"),str("Swapped open and closed brackets"),str("Parentheses can\'t contain separators"),str("Empty statement or expression"),str("Invalid assignment or stranding use"),str("Dot must be followed by a name"),str("Can\'t strand Nothing (·)"),str("Punctuation : and ; not allowed outside blocks"),str("Header-less bodies must come last"),str("At most two header-less bodies allowed"),str("Only one header per body allowed"),str("Missing operand in header"),str("Invalid header structure"),str("Incorrect special name"),str("Header left argument without right"),str("Header operation must be a plain name"),str("Invalid special names for block header"),str("Special name outside of any block"),str("Only blocks with explicit arguments can have multiple bodies"),str("Block bodies must be of the same kind"),str("Dot must be preceded by a subject"),str("Nothing (·) cannot be assigned"),str("Missing operand"),str("Can\'t use Nothing (·) in lists"),str("Double subjects (missing ‿?)"),str("Role of the two sides in assignment must match"),str("Can\'t return Nothing (·)"),str("Invalid use of 𝕨 in monadic case"),str("Unreachable body"),str("Assignment target must be a name or list of targets"),str("Can\'t nest assignments (write aliases with ⇐)"),str("Can\'t use result of function/modifier assignment without parentheses"),str("Can\'t define special name"),str("Redefinition"),str("Undefined identifier"),str("Can\'t export from surrounding scope"),str("Second-level parts of a train must be functions"),str("System values not supported")]
 ,[[0,1,0],[0,0,1],[1,0,2],[1,1,3],[0,0,[[],[4]]],[0,0,[[],[5]]],[0,0,[[],[6]]],[0,0,[[],[7]]],[0,0,[[],[8]]],[0,0,[[],[9]]],[0,0,10],[0,0,11],[0,0,12],[0,0,13],[0,0,[[],[14]]],[0,0,[[],[15]]],[2,1,16],[0,0,17],[2,1,18],[0,0,19],[1,0,20],[0,0,21],[0,0,[[],[22]]],[0,0,23],[0,0,24],[0,0,25],[2,1,26]]
 ,[[0,0],[3,43],[573,5],[592,5],[716,57],[2904,23],[3729,188],[11319,19],[11565,3],[11573,3],[11613,3],[11632,3],[11673,3],[11692,3],[11711,3],[11739,3],[11775,3],[11811,6],[11948,3],[12020,3],[12070,5],[12096,3],[12118,3],[12176,3],[12229,3],[12291,3],[12316,3]]
);
let compile = compgen(list(glyphs.map(str)));
runtime[42] = rtAssert;
let system = (x,w) => {
  let r = table(s=>sysvals[unstr(s)])(x);
  if (r.some(v=>!has(v))) {
    let m = x.filter((_,i)=>!has(r[i])).map(s=>"•"+unstr(s)).join(" ");
    throw Error("Unknown system values (see •listSys for available): "+m);
  }
  return table(v=>v.dynamic?v():v)(r);
}
let wrapcomp = comp => (src, rt) => {
  let s=str(src), c;
  try { c=comp(s,rt); } catch(e) { if (typeof e.message!=="string") e.message.src=s; throw e; }
  c.push(s); return c;
}
let bqngen = (comp, rt) => src => run.apply(null,wrapcomp(comp)(str(src),rt));
let rt_sys = list([runtime, system]);
let bqn = bqngen(compile, rt_sys);

// Formatter
let fmtnum = x => str(x==Infinity ? "∞" : x==-Infinity ? "¯∞"
                    : (""+x).replace(/-/g,"¯").replace(/\+/g,""));
let placeholder = ["array","function","1-modifier","2-modifier"].map(s => str("*"+s+"*"));
let repop = x => x.ns ? str("{"+listkeys(x).map(s=>s.join("")).join("‿")+"⇐}")
                      : gl[x.prim] || placeholder[type(x)-2];
let [fmt1,repr] = run(
  [15,1,25,31,0,1,22,0,3,22,0,4,22,0,5,22,0,6,4,4,11,14,0,67,0,15,0,18,0,18,10,0,40,0,68,8,3,2,0,43,0,10,0,40,0,58,8,8,21,0,6,3,2,0,43,0,58,0,41,0,8,8,8,22,0,7,11,14,15,2,22,0,8,11,14,0,11,0,8,0,50,10,0,45,15,3,8,22,0,9,11,14,15,4,22,0,10,11,14,15,5,22,0,11,11,14,15,6,15,7,3,2,0,43,15,8,0,49,3,2,0,43,0,10,0,41,0,10,0,40,0,49,8,0,39,0,7,8,8,8,8,22,0,12,11,14,0,77,0,19,0,76,6,15,9,15,10,3,2,0,43,0,10,0,11,0,46,10,0,7,0,11,0,10,0,50,10,10,8,3,2,0,43,0,14,0,14,0,46,0,46,3,2,10,8,22,0,13,11,14,15,11,22,0,14,11,14,15,12,22,0,15,11,14,15,13,15,14,15,15,3,3,0,43,0,30,0,58,7,0,8,0,17,10,0,38,0,35,0,0,7,0,12,0,0,0,8,0,40,0,46,8,10,0,10,10,8,8,22,0,16,11,14,21,0,7,0,19,9,31,0,16,21,0,15,3,2,0,43,0,34,21,0,3,7,0,12,0,55,10,0,17,0,38,0,35,0,7,7,8,9,8,21,0,15,3,3,0,43,0,13,0,3,0,50,10,8,22,0,17,11,14,15,16,22,0,18,11,14,0,85,22,0,19,11,14,0,16,0,38,0,28,8,21,0,5,9,21,0,19,3,2,0,43,0,50,0,41,0,11,8,8,21,0,18,21,0,17,0,38,31,0,19,0,27,3,2,0,43,0,10,0,11,0,49,10,8,8,8,0,28,0,49,10,0,19,9,22,0,20,11,14,0,16,0,16,31,0,17,9,31,0,20,3,2,0,43,0,15,0,12,0,55,10,8,21,0,3,10,22,0,21,11,14,15,17,22,0,22,11,14,0,69,0,16,0,15,0,18,0,16,0,26,0,11,0,0,0,49,10,10,10,0,18,0,15,10,0,66,10,0,33,21,0,7,0,18,0,78,10,7,0,18,9,0,21,0,49,10,0,33,21,0,22,0,18,0,86,10,7,0,18,9,0,23,0,71,10,0,18,0,70,10,3,3,0,43,0,34,21,0,3,7,0,31,0,27,7,0,50,0,17,0,56,6,0,24,0,50,0,49,0,46,3,3,6,10,0,35,0,4,7,9,8,3,2,0,43,0,10,0,8,0,46,10,8,22,0,23,11,14,0,28,0,38,21,0,22,8,0,18,0,87,10,21,0,23,0,17,31,0,23,0,39,0,18,0,40,0,88,0,41,0,18,8,8,8,0,14,10,3,3,0,43,0,11,0,3,0,50,10,8,22,0,24,11,14,31,0,7,31,0,24,3,2,0,43,21,0,3,0,11,0,46,10,8,22,0,25,11,14,0,30,0,46,7,0,29,0,89,10,31,0,18,31,0,22,8,0,28,0,49,10,22,0,26,11,14,0,16,0,16,31,0,25,9,31,0,26,3,2,0,43,0,15,0,12,0,55,10,8,21,0,3,10,22,0,27,11,14,21,0,21,0,38,0,32,0,57,0,0,0,58,6,0,41,0,18,8,7,8,0,17,9,0,21,0,47,10,21,0,27,3,2,25,0,49,0,33,0,20,7,31,0,1,0,1,5,6,0,25,0,42,0,37,0,31,0,34,0,2,7,7,7,8,5,0,35,0,47,0,48,3,2,0,44,0,0,8,7,31,0,2,17,0,17,5,0,28,0,40,0,47,8,0,42,0,46,8,5,25,21,0,1,0,14,5,0,21,0,47,6,22,0,3,11,0,4,0,49,6,21,1,8,5,22,0,4,11,14,15,18,22,0,5,11,14,21,0,1,0,17,31,0,1,0,14,5,0,20,0,47,6,0,18,31,0,3,0,35,0,2,7,5,6,6,0,20,0,40,0,35,0,0,7,8,31,0,5,3,2,0,43,0,16,0,38,0,10,8,0,8,0,46,10,8,31,0,4,6,25,21,0,1,0,17,5,0,33,0,30,0,59,7,0,17,0,14,0,28,0,47,10,0,41,0,19,8,10,0,18,0,16,10,7,31,0,1,0,14,5,21,1,8,0,49,6,6,0,18,5,25,0,59,0,17,21,0,1,0,10,5,31,0,2,3,2,6,22,0,3,11,14,21,0,3,31,0,1,31,0,3,3,3,0,19,5,0,18,5,25,0,71,0,18,31,0,1,0,27,5,0,21,0,49,6,0,21,0,47,6,6,0,18,0,70,6,0,19,5,25,21,0,1,0,14,5,0,28,0,47,6,22,0,3,11,14,0,72,21,0,2,0,16,0,3,0,49,10,0,31,0,27,7,0,73,10,0,17,9,21,1,6,3,2,0,43,0,8,0,40,0,51,8,8,16,3,2,0,18,5,0,20,21,0,3,6,0,19,5,31,0,1,0,28,0,42,0,74,0,28,0,49,0,1,31,0,2,17,0,3,0,52,6,0,4,0,46,6,6,8,5,0,75,0,20,0,40,0,1,8,31,0,3,6,0,19,5,3,3,0,18,5,25,31,0,1,0,27,5,0,34,0,11,7,0,69,6,0,36,0,1,7,5,0,37,0,0,7,5,0,11,0,50,6,0,35,0,7,7,5,25,31,0,1,0,33,0,59,7,5,21,1,11,0,49,6,21,1,12,0,50,6,0,28,0,40,0,46,0,47,3,2,8,0,42,0,60,8,5,25,31,0,1,0,14,5,0,69,0,33,21,1,6,7,0,33,0,18,0,40,0,78,8,7,9,0,18,9,0,28,0,42,0,61,8,9,3,2,0,43,0,10,0,8,0,49,10,8,5,0,19,5,25,21,0,1,0,33,0,14,7,5,22,0,3,11,14,21,0,3,0,33,0,28,7,0,49,6,0,17,0,30,0,49,7,0,1,0,11,10,0,45,0,36,0,4,7,8,3,2,0,43,0,11,0,8,0,46,10,8,5,22,0,4,11,14,31,0,3,0,33,0,28,7,5,0,11,0,8,0,46,10,0,45,0,49,0,44,0,36,0,4,7,8,8,5,22,0,5,11,14,31,0,1,0,33,0,20,7,0,49,0,20,21,0,4,0,10,5,0,2,21,0,2,17,0,1,5,6,0,6,31,0,4,6,0,2,31,0,2,17,0,34,0,19,7,21,0,5,6,6,0,11,0,1,0,50,10,0,4,0,46,10,0,45,0,19,8,5,0,50,0,44,0,18,0,38,0,8,8,8,5,22,0,6,11,14,31,0,6,21,1,10,0,9,0,38,21,1,9,8,3,2,0,43,31,0,5,0,17,5,0,13,0,40,0,25,0,40,0,49,8,8,5,8,5,21,1,11,0,50,6,25,21,0,1,0,33,21,1,21,7,5,21,1,14,0,49,0,15,31,0,2,17,6,21,1,12,31,0,1,0,11,5,6,25,21,0,1,0,11,5,22,0,3,11,14,0,79,0,16,0,42,21,0,1,8,5,0,21,0,46,6,22,0,1,12,14,21,0,1,0,14,5,0,21,0,47,6,22,0,4,11,0,10,5,0,1,5,0,11,0,40,0,46,8,0,45,0,48,8,5,22,0,5,11,14,21,0,3,0,8,0,46,6,0,31,0,28,7,0,80,6,22,0,6,11,14,15,19,22,0,7,11,14,21,0,1,0,26,0,40,0,16,0,11,21,0,6,10,0,0,0,49,10,8,31,0,7,3,2,0,43,21,0,3,0,10,0,49,6,8,5,22,0,1,12,14,21,0,6,0,20,0,40,0,1,8,21,0,4,6,21,0,5,0,44,0,18,8,31,0,1,6,31,0,5,0,44,0,18,8,0,64,0,20,21,0,4,0,18,0,49,6,0,28,0,47,6,6,0,17,31,0,4,6,0,28,0,42,31,0,6,8,5,6,0,19,5,21,0,3,0,10,0,49,6,0,45,21,1,9,21,1,11,0,49,10,21,1,12,31,0,3,10,8,5,25,31,0,1,21,1,15,21,1,13,3,2,0,43,0,14,0,11,0,46,10,0,35,0,7,7,9,8,5,25,31,0,1,21,1,15,0,47,6,25,0,16,0,16,31,0,4,9,0,8,0,39,0,19,8,0,46,10,31,0,0,3,2,0,43,0,15,0,12,0,55,10,8,21,1,3,10,22,0,6,11,14,21,0,1,21,1,4,5,22,0,7,11,0,28,5,22,0,8,11,14,0,65,0,1,0,81,6,0,28,21,0,8,6,22,0,9,11,14,0,83,0,41,0,18,8,0,18,0,82,10,22,0,10,11,14,0,16,0,33,31,0,6,0,41,0,28,0,40,0,49,8,0,15,0,12,21,0,9,0,3,0,50,6,10,0,45,0,16,0,38,31,0,10,8,8,0,28,0,41,0,0,8,10,8,7,0,10,0,38,0,22,8,0,11,0,46,10,0,1,9,0,49,0,9,21,0,9,6,0,45,0,25,8,9,10,0,18,9,22,0,11,11,14,21,0,7,0,21,0,49,6,0,30,31,0,1,7,21,1,5,0,38,0,17,8,9,0,16,31,0,5,31,0,2,19,31,0,11,3,3,0,43,31,0,8,0,5,5,0,3,0,50,6,8,5,22,0,12,11,14,21,0,12,21,0,9,0,12,0,50,6,0,45,0,30,31,0,7,7,0,28,0,47,10,21,1,3,9,0,9,0,55,10,0,45,0,84,0,41,0,18,8,8,8,5,22,0,12,12,14,31,0,9,31,0,12,3,2,25,31,0,1,21,1,27,5,25,31,0,1,0,18,0,40,0,27,0,38,0,33,0,59,7,8,8,5,0,27,31,0,2,0,0,0,49,17,0,18,0,46,17,0,26,16,0,2,0,40,0,8,0,40,0,24,8,8,16,17,25,0,54,0,0,0,58,6,0,8,21,0,1,6,0,2,0,58,0,1,0,63,6,6,0,0,0,53,0,0,0,58,6,0,16,0,1,0,62,10,0,2,0,11,10,21,0,1,6,6,0,0,31,0,1,6,25]
 ,[runtime[0],runtime[1],runtime[2],runtime[6],runtime[7],runtime[8],runtime[9],runtime[11],runtime[12],runtime[13],runtime[14],runtime[15],runtime[16],runtime[18],runtime[19],runtime[20],runtime[21],runtime[22],runtime[23],runtime[24],runtime[25],runtime[26],runtime[27],runtime[28],runtime[29],runtime[30],runtime[32],runtime[35],runtime[36],runtime[42],runtime[43],runtime[44],runtime[45],runtime[46],runtime[47],runtime[49],runtime[50],runtime[51],runtime[52],runtime[53],runtime[54],runtime[55],runtime[56],runtime[58],runtime[59],runtime[61],0,-1,Infinity,1,2,5,4,127,32,3,7,10,'\0',' ','┐','↕','␡','␀','·','0','\"',str("@"),str("\'"),str("⟨⟩"),str("⟨"),str("⟩"),str("┌"),str("·─"),str("·╵╎┆┊"),str("┘"),str("┌┐"),str("└┘"),str("‿"),str(""),str("\'\""),str("00321111"),str("("),str(")"),str("{𝔽}"),str("*array*"),str(","),str("<"),str("⥊"),str("Can\'t represent block")]
 ,[[0,1,0],[0,0,1],[0,0,2],[0,0,3],[0,0,4],[0,0,[[],[5]]],[0,0,6],[0,0,[[],[7]]],[0,0,8],[0,0,9],[0,0,10],[0,0,11],[0,0,12],[0,0,13],[0,0,14],[0,0,15],[2,0,16],[0,0,17],[0,0,18],[0,0,19]]
 ,[[0,0],[3,28],[745,3],[811,6],[911,3],[962,4],[1001,3],[1031,4],[1154,3],[1192,3],[1231,3],[1284,7],[1514,3],[1547,8],[1789,3],[1818,3],[1828,13],[2128,3],[2136,3],[2188,3]]
)(list([type, decompose, repop, fmtnum]));
let fmt = x => unstr(fmt1(x));

let fmtErr = e => {
  let r=e.kind, w=e.message, loc=[];
  while (w&&w.loc||(r!=='!'&&w.sh&&w.sh[0]===2)) {
    let s=w.src, is; [is,w]=w;
    let n=is.sh?is.sh[0]:0, i=n?is[0]:is;
    let pair=n&&is.sh.length>1; if (pair) n*=2;
    let to=i=>s.slice(0,i).join('').split('\n').map(l=>Array.from(l));
    let ll=to(i), l=ll.length-1, j=ll[l].length, m=to()[l];
    let k=1,o=i-j,cl=j; while (k<n&&(cl=is[k]-o)<m.length) k++;
    let ol=k<n; if (pair) { if (k%2) cl=m.length; else { k--; cl++; } }
    let c=Array(cl).fill(0); c[j]=1;
    for (let h=1;h<k;h++) c[is[h]-o+(pair?h%2:0)]=1;
    if (pair) for (let h=1;h<cl;h++) c[h]^=c[h-1];
    let add = ['',m.join(''),c.map(t=>t?'^':' ').join('')];
    loc = add.concat(ol?['(and other lines)']:[], loc);
  }
  if (r==='!') w=w?fmt(w).replace(/^/gm,'! '):'! Error';
  else w=w.sh?w.join(''):w;
  return [w].concat(loc).join('\n');
}

let isstr = x => x.sh && x.sh.length==1 && x.every(c=>typeof c==="string");
let unixtime = (x,w) => Date.now()/1000;
let req1str = (e,x,w) => {
  if (!isstr(x)) throw Error(e+": 𝕩 must be a string");
  if (has(w)) throw Error(e+": 𝕨 not allowed");
  return unstr(x);
}
let dojs = (x,w) => {
  let s = req1str("•JS",x,w);
  let r = Function("'use strict'; return ("+s+")")();
  let toBQN = x => {
    if (isnum(x)) return x;
    if (typeof x==='string') { if (Array.from(x).length!==1) throw Error("•JS: JS strings are one character; use Array.from for BQN strings"); return x; }
    if (x instanceof Array) return arr(x.map(toBQN),x.sh||[x.length],toBQN(x.fill));
    if (isfunc(x)) { let f=(a,b)=>toBQN(x(a,b)); f.m=x.m; return f; }
    throw Error("•JS: Unrecognized JS result");
  }
  return toBQN(r);
}
let reqexec = req1str;  // Modified by Node version to handle •state
let extendedbqn = (x,w) => {
  let req = (r,s) => { if (!r) throw Error("•ExtendedBQN: "+s) };
  req(!has(w), "𝕨 not allowed");
  req(x.sh && x.sh.length===1, "𝕩 must be a list");
  req(x.every(e=>e.sh&&e.sh.length===1&&e.sh[0]===2), "𝕩 must contain glyph-primitive pairs");
  let pr = glyphs.map(str);
  let l=0, rt = pr.map(s=>runtime.slice(l,l+=s.length));
  x.forEach(([gl,val])=>{
    req(typeof gl==="string", "Primitive glyphs must be characters");
    req(isfunc(val), "Primitives must be operations");
    let k=val.m||0;
    pr[k].push(gl); rt[k].push(val);
  });
  pr.map(p=>p.sh=[p.length]);
  rt = list([].concat.apply([],rt));
  let bqn = bqngen(compgen(list(pr)),list([rt,system]));
  return (x,w)=>bqn(reqexec("•BQN extension",x,w));
}
let makerepl = (x,w) => {
  let vars = [], names = [], redef = [];
  let rtn = list(rt_sys.concat([names,redef]));
  let comp = wrapcomp(compile);
  let repl = (x,w) => {
    names.sh=redef.sh=[names.length];
    let c = comp(str(reqexec("Repl",x,w)), rtn);
    let pnames = c[5][2][0];
    let newv = c[3][0][2].slice(vars.length);
    names.push(...newv.map(i=>pnames[i]));
    redef.push(...newv.map(i=>-1));
    vars .push(...newv.map(i=>null));
    c.push(vars);
    return run.apply(null, c);
  }
  return repl;
}
let dynsys = f => { f.dynamic=1; return f; }
let sysvals = {
  bqn:(x,w)=> bqn(reqexec("•BQN",x,w)), makerepl, js:dojs, extendedbqn,
  type, glyph, decompose, fmt:fmt1, repr, unixtime, listkeys,
  listsys: dynsys(() => list(Object.keys(sysvals).sort().map(str))),
  math: obj2ns(Math,("LN10 LN2 LOG10E LOG2E cbrt expm1 hypot log10 log1p log2 round trunc atan2 cos cosh sin sinh tan tanh").split(" "), f=>typeof f==="function"?runtime[60](f,0):f)
};

let make_timed = tfn => {
  let timed = f => (x,w) => {
    let n=has(w)?w:1;
    if (!isnum(n) || n!==Math.floor(n) || n<1) throw Error("•_timed: 𝕨 must be an integer above 1");
    return tfn(() => { for (let i=0;i<n;i++) f(x); })/n;
  }
  timed.m=1;
  return timed;
}
if (typeof process!=='undefined') {
  let sec = t => t[0]+t[1]/1e9;
  sysvals.monotime = (x,w) => sec(process.hrtime());
  sysvals.timed = make_timed(f => {
    let t0=process.hrtime(); f(); return sec(process.hrtime(t0));
  });
} else if (typeof performance!=='undefined') {
  sysvals.monotime = (x,w) => performance.now()/1000;
  sysvals.timed = make_timed(f => {
    let t0=performance.now(); f(); return (performance.now()-t0)/1000;
  });
}

if (typeof module!=='undefined') {  // Node.js
  bqn.fmt=fmt; bqn.fmtErr=fmtErr; bqn.compile=compile; bqn.run=run;
  bqn.sysvals=sysvals; bqn.util={has,list,str,unstr,dynsys,req1str,makens};
  bqn.setreqexec = re => { reqexec=re; }
  module.exports=bqn;
}