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n.toRational()}return n}else if(e.match(/nan.0$/)){return LNumber(NaN)}else if(e.match(/inf.0$/)){if(e[0]==="-"){return LNumber(Number.NEGATIVE_INFINITY)}return LNumber(Number.POSITIVE_INFINITY)}else{throw new Error("Internal Parser Error")}if(a.inexact){return LFloat(t.valueOf())}return t}var a=num_pre_parse(e);i=a.radix||i;var r;var n=a.number.match(complex_bare_match_re);if(i!==10&&n){r=n}else{r=a.number.match(complex_list_re[i])}var o,u;u=t(r[2]);if(r[1]){o=t(r[1])}else if(u instanceof LFloat){o=LFloat(0)}else{o=LNumber(0)}if(u.cmp(0)===0&&u.__type__==="bigint"){return o}return LComplex({im:u,re:o})}function is_int(e){return parseInt(e.toString(),10)===e}function parse_big_int(e){var t=e.match(/^(([-+]?[0-9]*)(?:\.([0-9]+))?)e([-+]?[0-9]+)/i);if(t){var r=parseInt(t[4],10);var n;var i=t[1].replace(/[-+]?([0-9]*)\..+$/,"$1").length;var a=t[3]&&t[3].length;if(i0&&(t.exact||!t.number.match(/\./))){return LNumber(a).mul(u)}}}r=LFloat(r);if(t.exact){return r.toRational()}return r}function parse_string(e){e=e.replace(/\\x([0-9a-f]+);/gi,function(e,t){return"\\u"+t.padStart(4,"0")}).replace(/\n/g,"\\n");var t=e.match(/(\\*)(\\x[0-9A-F])/i);if(t&&t[1].length%2===0){throw new Error("Invalid string literal, unclosed ".concat(t[2]))}try{var r=LString(JSON.parse(e));r.freeze();return r}catch(e){var n=e.message.replace(/in JSON /,"").replace(/.*Error: /,"");throw new Error("Invalid string literal: ".concat(n))}}function parse_symbol(e){e.match(/^name/);var t=/(^|.)\|/g;if(e.match(t)){e=e.split("|").filter(Boolean).reduce(function(e,t){var r="";if(t.match(/^\\+$/)){if(t.length>1){var n=Math.floor(t.length/2);r="\\".repeat(n)}if(t.length%2!==0){r+="|"}}else{r=t}return e+r});var r={t:"\t",r:"\r",n:"\n"};e=e.replace(/\\(x[^;]+);/g,function(e,t){return String.fromCharCode(parseInt("0"+t,16))}).replace(/\\([trn])/g,function(e,t){return r[t]})}return new LSymbol(e)}function parse_argument(e){if(constants.hasOwnProperty(e)){return constants[e]}if(e.match(/^"[\s\S]*"$/)){return parse_string(e)}else if(e[0]==="#"){var t=e.match(re_re);if(t){return new RegExp(t[1],t[2])}else if(e.match(char_re)){return parse_character(e)}var r=e.match(/#\\(.+)/);if(r&&ucs2decode(r[1]).length===1){return parse_character(e)}}if(e.match(/[0-9a-f]|[+-]i/i)){if(e.match(int_re)){return parse_integer(e)}else if(e.match(float_re)){return parse_float(e)}else if(e.match(rational_re)){return parse_rational(e)}else if(e.match(complex_re)){return parse_complex(e)}}if(e.match(/^#[iexobd]/)){throw new Error("Invalid numeric constant: "+e)}return parse_symbol(e)}function is_atom_string(e){return!(["(",")","[","]"].includes(e)||specials.names().includes(e))}function is_symbol_string(e){return is_atom_string(e)&&!(e.match(re_re)||e.match(/^"[\s\S]*"$/)||e.match(int_re)||e.match(float_re)||e.match(complex_re)||e.match(rational_re)||e.match(char_re)||["#t","#f","nil"].includes(e))}var string_re=/"(?:\\[\S\s]|[^"])*"?/g;function escape_regex(e){if(typeof e==="string"){var t=/([-\\^$[\]()+{}?*.|])/g;return e.replace(t,"\\$1")}return e}function Stack(){this.data=[]}Stack.prototype.push=function(e){this.data.push(e)};Stack.prototype.top=function(){return this.data[this.data.length-1]};Stack.prototype.pop=function(){return this.data.pop()};Stack.prototype.is_empty=function(){return!this.data.length};function tokens(e){if(e instanceof LString){e=e.valueOf()}var t=new Lexer(e,{whitespace:true});var r=[];while(true){var n=t.peek(true);if(n===eof){break}r.push(n);t.skip()}return r}function multiline_formatter(e){var t=e.token,r=_objectWithoutProperties(e,_excluded);if(t.match(/^"[\s\S]*"$/)&&t.match(/\n/)){var n=new RegExp("^ {1,"+(e.col+1)+"}","mg");t=t.replace(n,"")}return _objectSpread({token:t},r)}function Thunk(e){var t=arguments.length>1&&arguments[1]!==undefined?arguments[1]:function(){};this.fn=e;this.cont=t}Thunk.prototype.toString=function(){return"#"};function trampoline(n){return function(){for(var e=arguments.length,t=new Array(e),r=0;r1&&arguments[1]!==undefined?arguments[1]:false;if(e instanceof LString){e=e.toString()}if(t){return tokens(e)}else{var r=tokens(e).map(function(e){if(e.token==="#\\ "||e.token=="#\\\n"){return e.token}return e.token.trim()}).filter(function(e){return e&&!e.match(/^;/)&&!e.match(/^#\|[\s\S]*\|#$/)});return strip_s_comments(r)}}function strip_s_comments(e){var t=0;var r=null;var n=[];for(var i=0;i0&&arguments[0]!==undefined?arguments[0]:null;if(e instanceof LSymbol){if(e.is_gensym()){return e}e=e.valueOf()}if(is_gensym(e)){return LSymbol(e)}if(e!==null){return r(e,Symbol("#:".concat(e)))}t++;return r(t,Symbol("#:g".concat(t)))}}();function hygienic_begin(e,t){var r=global_env.get("begin");var n=gensym("begin");e.forEach(function(e){e.set(n,r)});return new Pair(n,t)}function QuotedPromise(e){var r=this;var n={pending:true,rejected:false,fulfilled:false,reason:undefined,type:undefined};e=e.then(function(e){n.type=type(e);n.fulfilled=true;n.pending=false;return e});read_only(this,"_promise",e,{hidden:true});if(is_function(e["catch"])){e=e["catch"](function(e){n.rejected=true;n.pending=false;n.reason=e})}Object.keys(n).forEach(function(t){Object.defineProperty(r,"__".concat(t,"__"),{enumerable:true,get:function e(){return n[t]}})});read_only(this,"__promise__",e);this.then=false}QuotedPromise.prototype.then=function(e){return new QuotedPromise(this.valueOf().then(e))};QuotedPromise.prototype["catch"]=function(e){return new QuotedPromise(this.valueOf()["catch"](e))};QuotedPromise.prototype.valueOf=function(){if(!this._promise){throw new Error("QuotedPromise: invalid promise created")}return this._promise};QuotedPromise.prototype.toString=function(){if(this.__pending__){return QuotedPromise.pending_str}if(this.__rejected__){return QuotedPromise.rejected_str}return"#")};QuotedPromise.pending_str="#";QuotedPromise.rejected_str="#";function promise_all(e){if(Array.isArray(e)){return Promise.all(escape_quoted_promises(e)).then(unescape_quoted_promises)}return e}function escape_quoted_promises(e){var t=new Array(e.length),r=e.length;while(r--){var n=e[r];if(n instanceof QuotedPromise){t[r]=new Value(n)}else{t[r]=n}}return t}function unescape_quoted_promises(e){var t=new Array(e.length),r=e.length;while(r--){var n=e[r];if(n instanceof Value){t[r]=n.valueOf()}else{t[r]=n}}return t}var specials={LITERAL:Symbol["for"]("literal"),SPLICE:Symbol["for"]("splice"),SYMBOL:Symbol["for"]("symbol"),names:function e(){return Object.keys(this.__list__)},type:function e(t){try{return this.get(t).type}catch(e){console.log({name:t});console.log(e);return null}},get:function e(t){return this.__list__[t]},off:function e(t){var r=this;var n=arguments.length>1&&arguments[1]!==undefined?arguments[1]:null;if(Array.isArray(t)){t.forEach(function(e){return r.off(e,n)})}else if(n===null){delete this.__events__[t]}else{this.__events__=this.__events__.filter(function(e){return e!==n})}},on:function e(t,r){var n=this;if(Array.isArray(t)){t.forEach(function(e){return n.on(e,r)})}else if(!this.__events__[t]){this.__events__[t]=[r]}else{this.__events__[t].push(r)}},trigger:function e(t){for(var r=arguments.length,n=new Array(r>1?r-1:0),i=1;i",new LSymbol("quote-promise"),specials.LITERAL]];var builtins=defined_specials.map(function(e){return e[0]});Object.freeze(builtins);Object.defineProperty(specials,"__builtins__",{writable:false,value:builtins});defined_specials.forEach(function(e){var t=_slicedToArray(e,3),r=t[0],n=t[1],i=t[2];specials.append(r,n,i)});var Lexer=function(){function v(e){var t=this;var r=arguments.length>1&&arguments[1]!==undefined?arguments[1]:{},n=r.whitespace,i=n===void 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eof}if(this._token){read_only(this,"__token__",this.token(true));return this.token(t)}var r=this.next_token();if(r){this._token=this.__input__.substring(this._i,this._next);if(!this.__token__){read_only(this,"__token__",this.token(true))}return this.token(t)}return eof}},{key:"skip",value:function e(){if(this._next!==null){this._token=null;this._i=this._next}}},{key:"read_line",value:function e(){var t=this.__input__.length;if(this._i>=t){return eof}for(var r=this._i;r=r){return eof}if(t+this._i>=r){return this.read_rest()}var n=this._i+t;var i=this.__input__.substring(this._i,n);var a=i.match(/\n/g);if(a){this._line+=a.length}this._i=n;return i}},{key:"peek_char",value:function e(){if(this._i>=this.__input__.length){return eof}return LCharacter(this.__input__[this._i])}},{key:"read_char",value:function e(){var t=this.peek_char();this.skip_char();return t}},{key:"skip_char",value:function e(){if(this._i1&&arguments[1]!==undefined?arguments[1]:{},n=r.prev_char,i=r["char"],a=r.next_char;var o=_slicedToArray(t,4),u=o[0],s=o[1],c=o[2],l=o[3];if(t.length!==5){throw new Error("Lexer: Invalid rule of length ".concat(t.length))}if(is_string(u)){if(u!==i){return false}}else if(!i.match(u)){return false}if(!match_or_null(s,n)){return false}if(!match_or_null(c,a)){return false}if(l!==this._state){return false}return true}},{key:"next_token",value:function e(){if(this._i>=this.__input__.length){return false}var t=true;e:for(var r=this._i,n=this.__input__.length;r2&&arguments[2]!==undefined?arguments[2]:null;var i=arguments.length>3&&arguments[3]!==undefined?arguments[3]:null;if(t.length===0){throw new Error("Lexer: invalid literal rule")}if(t.length===1){return[[t,n,i,null,null]]}var a=[];for(var o=0,u=t.length;o0&&arguments[0]!==undefined?arguments[0]:{},t=e.env,r=e.meta,n=r===void 0?false:r,i=e.formatter,a=i===void 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e(t){while(1)switch(t.prev=t.next){case 0:r=this.__lexer__.peek(true);if(!(r===eof)){t.next=4;break}return t.abrupt("return",eof);case 4:if(!this.is_comment(r.token)){t.next=7;break}this.skip();return t.abrupt("continue",0);case 7:if(!is_directive(r.token)){t.next=11;break}this.skip();if(r.token==="#!fold-case"){this._state.fold_case=true}else if(r.token==="#!no-fold-case"){this._state.fold_case=false}return t.abrupt("continue",0);case 11:if(!(r.token==="#;")){t.next=18;break}this.skip();if(!(this.__lexer__.peek()===eof)){t.next=15;break}throw new Error("Lexer: syntax error eof found after comment");case 15:t.next=17;return this._read_object();case 17:return t.abrupt("continue",0);case 18:return t.abrupt("break",21);case 21:r=this._formatter(r);if(this._state.fold_case){r.token=foldcase_string(r.token)}if(!this._meta){t.next=25;break}return t.abrupt("return",r);case 25:return t.abrupt("return",r.token);case 26:case"end":return t.stop()}},e,this)}));function t(){return e.apply(this,arguments)}return t}()},{key:"reset",value:function e(){this._refs.length=0}},{key:"skip",value:function e(){this.__lexer__.skip()}},{key:"read",value:function(){var e=_asyncToGenerator(_regeneratorRuntime.mark(function e(){var r;return _regeneratorRuntime.wrap(function e(t){while(1)switch(t.prev=t.next){case 0:t.next=2;return this.peek();case 2:r=t.sent;this.skip();return t.abrupt("return",r);case 5:case"end":return t.stop()}},e,this)}));function t(){return e.apply(this,arguments)}return t}()},{key:"match_datum_label",value:function e(t){var r=t.match(/^#([0-9]+)=$/);return r&&r[1]}},{key:"match_datum_ref",value:function e(t){var r=t.match(/^#([0-9]+)#$/);return r&&r[1]}},{key:"is_open",value:function e(t){return["(","["].includes(t)}},{key:"is_close",value:function e(t){return[")","]"].includes(t)}},{key:"read_list",value:function(){var e=_asyncToGenerator(_regeneratorRuntime.mark(function e(){var r,n,i,a,o,u;return _regeneratorRuntime.wrap(function e(t){while(1)switch(t.prev=t.next){case 0:r=_nil,n=r;case 1:t.next=4;return this.peek();case 4:a=t.sent;if(!(a===eof)){t.next=7;break}return t.abrupt("break",31);case 7:if(!this.is_close(a)){t.next=11;break}--this._state.parentheses;this.skip();return t.abrupt("break",31);case 11:if(!(a==="."&&!is_nil(r))){t.next=19;break}this.skip();t.next=15;return this._read_object();case 15:n.cdr=t.sent;i=true;t.next=29;break;case 19:if(!i){t.next=23;break}throw new Error("Parser: syntax error more than one element after dot");case 23:t.next=25;return this._read_object();case 25:o=t.sent;u=new Pair(o,_nil);if(is_nil(r)){r=u}else{n.cdr=u}n=u;case 29:t.next=1;break;case 31:return t.abrupt("return",r);case 32:case"end":return t.stop()}},e,this)}));function t(){return e.apply(this,arguments)}return t}()},{key:"read_value",value:function(){var e=_asyncToGenerator(_regeneratorRuntime.mark(function e(){var r;return _regeneratorRuntime.wrap(function e(t){while(1)switch(t.prev=t.next){case 0:t.next=2;return this.read();case 2:r=t.sent;if(!(r===eof)){t.next=5;break}throw new Error("Parser: Expected token eof found");case 5:return t.abrupt("return",parse_argument(r));case 6:case"end":return t.stop()}},e,this)}));function t(){return e.apply(this,arguments)}return t}()},{key:"is_comment",value:function e(t){return t.match(/^;/)||t.match(/^#\|/)&&t.match(/\|#$/)}},{key:"evaluate",value:function e(t){return _evaluate(t,{env:this.__env__,error:function e(t){throw t}})}},{key:"read_object",value:function(){var e=_asyncToGenerator(_regeneratorRuntime.mark(function e(){var r;return _regeneratorRuntime.wrap(function e(t){while(1)switch(t.prev=t.next){case 0:this.reset();t.next=3;return this._read_object();case 3:r=t.sent;if(r instanceof DatumReference){r=r.valueOf()}if(!this._refs.length){t.next=7;break}return t.abrupt("return",unpromise(this._resolve_object(r),function(e){if(is_pair(e)){e.mark_cycles()}return e}));case 7:return t.abrupt("return",r);case 8:case"end":return t.stop()}},e,this)}));function t(){return e.apply(this,arguments)}return t}()},{key:"balanced",value:function e(){return this._state.parentheses===0}},{key:"ballancing_error",value:function e(t,r){var n=this._state.parentheses;var i;if(n<0){i=new Error("Parser: unexpected parenthesis");i.__code__=[r.toString()+")"]}else{i=new Error("Parser: expected parenthesis but eof found");var a=new RegExp("\\){".concat(n,"}$"));i.__code__=[t.toString().replace(a,"")]}throw i}},{key:"_resolve_object",value:function(){var t=_asyncToGenerator(_regeneratorRuntime.mark(function e(r){var n=this;var i;return _regeneratorRuntime.wrap(function e(t){while(1)switch(t.prev=t.next){case 0:if(!Array.isArray(r)){t.next=2;break}return t.abrupt("return",r.map(function(e){return n._resolve_object(e)}));case 2:if(!is_plain_object(r)){t.next=6;break}i={};Object.keys(r).forEach(function(e){i[e]=n._resolve_object(r[e])});return t.abrupt("return",i);case 6:if(!is_pair(r)){t.next=8;break}return t.abrupt("return",this._resolve_pair(r));case 8:return t.abrupt("return",r);case 9:case"end":return t.stop()}},e,this)}));function e(e){return t.apply(this,arguments)}return e}()},{key:"_resolve_pair",value:function(){var t=_asyncToGenerator(_regeneratorRuntime.mark(function e(r){return _regeneratorRuntime.wrap(function e(t){while(1)switch(t.prev=t.next){case 0:if(!is_pair(r)){t.next=15;break}if(!(r.car instanceof DatumReference)){t.next=7;break}t.next=4;return r.car.valueOf();case 4:r.car=t.sent;t.next=8;break;case 7:this._resolve_pair(r.car);case 8:if(!(r.cdr instanceof DatumReference)){t.next=14;break}t.next=11;return r.cdr.valueOf();case 11:r.cdr=t.sent;t.next=15;break;case 14:this._resolve_pair(r.cdr);case 15:return t.abrupt("return",r);case 16:case"end":return t.stop()}},e,this)}));function e(e){return t.apply(this,arguments)}return e}()},{key:"_read_object",value:function(){var e=_asyncToGenerator(_regeneratorRuntime.mark(function e(){var r=this;var n,i,a,o,u,s,c,l,f,_,p,d;return _regeneratorRuntime.wrap(function e(t){while(1)switch(t.prev=t.next){case 0:t.next=2;return this.peek();case 2:n=t.sent;if(!(n===eof)){t.next=5;break}return t.abrupt("return",n);case 5:if(!is_special(n)){t.next=51;break}i=specials.get(n);a=is_builtin(n);this.skip();s=is_symbol_extension(n);t.t0=this;t.next=13;return this.peek();case 13:t.t1=t.sent;c=t.t0.is_close.call(t.t0,t.t1);if(!s){t.next=19;break}t.t2=undefined;t.next=22;break;case 19:t.next=21;return this._read_object();case 21:t.t2=t.sent;case 22:l=t.t2;if(!(l===eof)){t.next=25;break}throw new Unterminated("Expecting expression eof found");case 25:if(a){t.next=32;break}u=this.__env__.get(i.symbol);if(!(typeof u==="function")){t.next=32;break}if(is_literal(n)){f=[l]}else if(is_nil(l)){f=[]}else if(is_pair(l)){f=l.to_array(false)}if(!(f||s)){t.next=31;break}return t.abrupt("return",this._with_syntax_scope(function(){return call_function(u,s?[]:f,{env:r.__env__,dynamic_env:r.__env__,use_dynamic:false})}));case 31:throw new Error("Parse Error: Invalid parser extension "+"invocation ".concat(i.symbol));case 32:if(!is_literal(n)){t.next=38;break}if(!c){t.next=35;break}throw new Error("Parse Error: expecting datum");case 35:o=new Pair(i.symbol,new Pair(l,_nil));t.next=39;break;case 38:o=new Pair(i.symbol,l);case 39:if(!a){t.next=41;break}return t.abrupt("return",o);case 41:if(!(u instanceof Macro)){t.next=50;break}t.next=44;return this._with_syntax_scope(function(){return r.evaluate(o)});case 44:_=t.sent;if(!(is_pair(_)||_ instanceof LSymbol)){t.next=47;break}return t.abrupt("return",Pair.fromArray([LSymbol("quote"),_]));case 47:return t.abrupt("return",_);case 50:throw new Error("Parse Error: invalid parser extension: "+i.symbol);case 51:p=this.match_datum_ref(n);if(!(p!==null)){t.next=57;break}this.skip();if(!this._refs[p]){t.next=56;break}return t.abrupt("return",new DatumReference(p,this._refs[p]));case 56:throw new Error("Parse Error: invalid datum label #".concat(p,"#"));case 57:d=this.match_datum_label(n);if(!(d!==null)){t.next=64;break}this.skip();this._refs[d]=this._read_object();return t.abrupt("return",this._refs[d]);case 64:if(!this.is_close(n)){t.next=69;break}--this._state.parentheses;this.skip();t.next=76;break;case 69:if(!this.is_open(n)){t.next=75;break}++this._state.parentheses;this.skip();return t.abrupt("return",this.read_list());case 75:return t.abrupt("return",this.read_value());case 76:case"end":return t.stop()}},e,this)}));function t(){return e.apply(this,arguments)}return t}()}])}();var Unterminated=function(e){function t(){_classCallCheck(this,t);return _callSuper(this,t,arguments)}_inherits(t,e);return _createClass(t)}(_wrapNativeSuper(Error));Parser.Unterminated=Unterminated;var DatumReference=function(){function r(e,t){_classCallCheck(this,r);this.name=e;this.data=t}return _createClass(r,[{key:"valueOf",value:function e(){return this.data}}])}();function _parse(e,t){return _parse2.apply(this,arguments)}function _parse2(){_parse2=_wrapAsyncGenerator(_regeneratorRuntime.mark(function e(r,n){var i,a,o;return _regeneratorRuntime.wrap(function e(t){while(1)switch(t.prev=t.next){case 0:if(!n){if(global_env){n=global_env.get("**interaction-environment**",{throwError:false})}else{n=user_env}}if(r instanceof Parser){i=r}else{i=new Parser({env:n});i.parse(r)}case 2:t.next=5;return _awaitAsyncGenerator(i.read_object());case 5:o=t.sent;if(!i.balanced()){i.ballancing_error(o,a)}if(!(o===eof)){t.next=9;break}return t.abrupt("break",14);case 9:a=o;t.next=12;return o;case 12:t.next=2;break;case 14:case"end":return t.stop()}},e)}));return _parse2.apply(this,arguments)}function unpromise(e){var t=arguments.length>1&&arguments[1]!==undefined?arguments[1]:function(e){return e};var r=arguments.length>2&&arguments[2]!==undefined?arguments[2]:null;if(is_promise(e)){var n=e.then(t);if(r===null){return n}else{return n["catch"](r)}}if(e instanceof Array){return unpromise_array(e,t,r)}if(is_plain_object(e)){return unpromise_object(e,t,r)}return t(e)}function unpromise_array(t,r,e){if(t.find(is_promise)){return unpromise(promise_all(t),function(e){if(Object.isFrozen(t)){Object.freeze(e)}return r(e)},e)}return r(t)}function unpromise_object(t,e,r){var i=Object.keys(t);var n=[],a=[];var o=i.length;while(o--){var u=i[o];var s=t[u];n[o]=s;if(is_promise(s)){a.push(s)}}if(a.length){return unpromise(promise_all(n),function(e){var n={};e.forEach(function(e,t){var r=i[t];n[r]=e});if(Object.isFrozen(t)){Object.freeze(n)}return n},r)}return e(t)}function read_only(e,t,r){var n=arguments.length>3&&arguments[3]!==undefined?arguments[3]:{},i=n.hidden,a=i===void 0?false:i;Object.defineProperty(e,t,{value:r,configurable:true,enumerable:!a})}function uniterate_async(e){return _uniterate_async.apply(this,arguments)}function _uniterate_async(){_uniterate_async=_asyncToGenerator(_regeneratorRuntime.mark(function e(r){var n,i,a,o,u,s,c;return _regeneratorRuntime.wrap(function e(t){while(1)switch(t.prev=t.next){case 0:n=[];i=false;a=false;t.prev=3;u=_asyncIterator(r);case 5:t.next=7;return u.next();case 7:if(!(i=!(s=t.sent).done)){t.next=13;break}c=s.value;n.push(c);case 10:i=false;t.next=5;break;case 13:t.next=19;break;case 15:t.prev=15;t.t0=t["catch"](3);a=true;o=t.t0;case 19:t.prev=19;t.prev=20;if(!(i&&u["return"]!=null)){t.next=24;break}t.next=24;return u["return"]();case 24:t.prev=24;if(!a){t.next=27;break}throw o;case 27:return t.finish(24);case 28:return t.finish(19);case 29:return t.abrupt("return",n);case 30:case"end":return t.stop()}},e,null,[[3,15,19,29],[20,,24,28]])}));return _uniterate_async.apply(this,arguments)}function matcher(e,t){if(t instanceof RegExp){return function(e){return String(e).match(t)}}else if(is_function(t)){return t}throw new Error("Invalid matcher")}function doc(e,t,r,n){if(typeof e!=="string"){t=arguments[0];r=arguments[1];n=arguments[2];e=null}if(r){if(n){t.__doc__=r}else{t.__doc__=trim_lines(r)}}if(e){t.__name__=e}else if(t.name&&!is_lambda(t)){t.__name__=t.name}return t}function trim_lines(e){return e.split("\n").map(function(e){return e.trim()}).join("\n")}function previousSexp(e){var t=arguments.length>1&&arguments[1]!==undefined?arguments[1]:1;var r=e.length;if(t<=0){throw Error("previousSexp: Invalid argument sexp = ".concat(t))}e:while(t--&&r>=0){var n=1;while(n>0){var i=e[--r];if(!i){break e}if(i==="("||i.token==="("){n--}else if(i===")"||i.token===")"){n++}}r--}return e.slice(r+1)}function lineIndent(e){if(!e||!e.length){return 0}var t=e.length;if(e[t-1].token==="\n"){return 0}while(--t){if(e[t].token==="\n"){var r=(e[t+1]||{}).token;if(r){return r.length}}}return 0}function match(e,t){return l(e,t)===t.length;function l(r,n){function e(e,t){var r=_createForOfIteratorHelper(e),n;try{for(r.s();!(n=r.n()).done;){var i=n.value;var a=l(i,t);if(a!==-1){return a}}}catch(e){r.e(e)}finally{r.f()}return-1}function t(){return r[a]===Symbol["for"]("symbol")&&!is_symbol_string(n[u])}function i(){var e=r[a+1];var t=n[u+1];if(e!==undefined&&t!==undefined){return l([e],[t])}}var a=0;var o={};for(var u=0;u0){continue}}else if(t()){return-1}}else if(r[a]instanceof Array){var c=l(r[a],n.slice(u));if(c===-1||c+u>n.length){return-1}u+=c-1;a++;continue}else{return-1}a++}if(r.length!==a){return-1}return n.length}}function Formatter(e){this.__code__=e.replace(/\r/g,"")}Formatter.defaults={offset:0,indent:2,exceptions:{specials:[/^(?:#:)?(?:define(?:-values|-syntax|-macro|-class|-record-type)?|(?:call-with-(?:input-file|output-file|port))|lambda|let-env|try|catch|when|unless|while|syntax-rules|(let|letrec)(-syntax|\*?-values|\*)?)$/],shift:{1:["&","#"]}}};Formatter.match=match;Formatter.prototype._options=function e(t){var r=Formatter.defaults;if(typeof t==="undefined"){return Object.assign({},r)}var n=t&&t.exceptions||{};var i=n.specials||[];var a=n.shift||{1:[]};return _objectSpread(_objectSpread(_objectSpread({},r),t),{},{exceptions:{specials:[].concat(_toConsumableArray(r.exceptions.specials),_toConsumableArray(i)),shift:_objectSpread(_objectSpread({},a),{},{1:[].concat(_toConsumableArray(r.exceptions.shift[1]),_toConsumableArray(a[1]))})}})};Formatter.prototype.indent=function e(t){var r=tokenize(this.__code__,true);return this._indent(r,t)};Formatter.exception_shift=function(a,e){function t(e){if(!e.length){return false}if(e.indexOf(a)!==-1){return true}else{var t=e.filter(function(e){return e instanceof RegExp});if(!t.length){return false}var r=_createForOfIteratorHelper(t),n;try{for(r.s();!(n=r.n()).done;){var i=n.value;if(a.match(i)){return true}}}catch(e){r.e(e)}finally{r.f()}}return false}if(t(e.exceptions.specials)){return e.indent}var r=e.exceptions.shift;for(var n=0,i=Object.entries(r);n0){n.offset=0}if(a.toString()===t.toString()&&balanced(a)){return n.offset+a[0].col}else if(a.length===1){return n.offset+a[0].col+1}else{var s=-1;if(o){var c=Formatter.exception_shift(o.token,n);if(c!==-1){s=c}}if(s===-1){s=Formatter.exception_shift(a[1].token,n)}if(s!==-1){return n.offset+a[0].col+s}else if(a[0].line3&&a[1].line===a[3].line){if(a[1].token==="("||a[1].token==="["){return n.offset+a[1].col}return n.offset+a[3].col}else if(a[0].line===a[1].line){return n.offset+n.indent+a[0].col}else{var l=a.slice(2);for(var f=0;f")};Ahead.prototype.match=function(e){return e.match(this.pattern)};function Pattern(){for(var e=arguments.length,t=new Array(e),r=0;r")};Formatter.Pattern=Pattern;Formatter.Ahead=Ahead;var p_o=/^[[(]$/;var p_e=/^[\])]$/;var not_p=/[^()[\]]/;var not_close=new Ahead(/[^)\]]/);var glob=Symbol["for"]("*");var sexp_or_atom=new Pattern([p_o,glob,p_e],[not_p],"+");var sexp=new Pattern([p_o,glob,p_e],"+");var symbol=new Pattern([Symbol["for"]("symbol")],"?");var symbols=new Pattern([Symbol["for"]("symbol")],"*");var identifiers=[p_o,symbols,p_e];var let_value=new Pattern([p_o,Symbol["for"]("symbol"),glob,p_e],"+");var syntax_rules=keywords_re("syntax-rules");var def_lambda_re=keywords_re("define","lambda","define-macro","syntax-rules");var non_def=/^(?!.*\b(?:[()[\]]|define(?:-macro)?|let(?:\*|rec|-env|-syntax|)?|lambda|syntax-rules)\b).*$/;var let_re=/^(?:#:)?(let(?:\*|rec|-env|-syntax)?)$/;function keywords_re(){for(var e=arguments.length,t=new Array(e),r=0;r0&&!u[e]){u[e]=previousSexp(o,e)}});var s=_createForOfIteratorHelper(i),c;try{for(s.s();!(c=s.n()).done;){var l=_slicedToArray(c.value,3),f=l[0],_=l[1],p=l[2];_=_.valueOf();var d=_>0?u[_]:o;var h=d.filter(function(e){return e.trim()&&!is_special(e)});var m=r(d);var y=match(f,h);var v=n.slice(a).find(function(e){return e.trim()&&!is_special(e)});if(y&&(p instanceof Ahead&&p.match(v)||!p)){var b=a-m;if(n[b]!=="\n"){if(!n[b].trim()){n[b]="\n"}else{n.splice(b,0,"\n");a++}}a+=m;continue e}}}catch(e){s.e(e)}finally{s.f()}}this.__code__=n.join("");return this};Formatter.prototype._spaces=function(e){return" ".repeat(e)};Formatter.prototype.format=function e(t){var r=this.__code__.replace(/[ \t]*\n[ \t]*/g,"\n ");var n=tokenize(r,true);var i=this._options(t);var a=0;var o=0;for(var u=0;u0){n=Math.floor(t()*r);r--;var i=[e[n],e[r]];e[r]=i[0];e[n]=i[1]}return e}function Nil(){}Nil.prototype.toString=function(){return"()"};Nil.prototype.valueOf=function(){return undefined};Nil.prototype.serialize=function(){return 0};Nil.prototype.to_object=function(){return{}};Nil.prototype.append=function(e){return new Pair(e,_nil)};Nil.prototype.to_array=function(){return[]};var _nil=new Nil;function Pair(e,t){if(typeof this!=="undefined"&&this.constructor!==Pair||typeof this==="undefined"){return new Pair(e,t)}this.car=e;this.cdr=t}function to_array(a,o){return function e(t){typecheck(a,t,["pair","nil"]);if(is_nil(t)){return[]}var r=[];var n=t;while(true){if(is_pair(n)){if(n.have_cycles("cdr")){break}var i=n.car;if(o&&is_pair(i)){i=this.get(a).call(this,i)}r.push(i);n=n.cdr}else if(is_nil(n)){break}else{throw new Error("".concat(a,": can't convert improper list"))}}return r}}Pair.prototype.flatten=function(){return Pair.fromArray(flatten(this.to_array()))};Pair.prototype.length=function(){var e=0;var t=this;while(true){if(!t||is_nil(t)||!is_pair(t)||t.have_cycles("cdr")){break}e++;t=t.cdr}return e};Pair.match=function(e,t){if(e instanceof LSymbol){return LSymbol.is(e,t)}else if(is_pair(e)){return Pair.match(e.car,t)||Pair.match(e.cdr,t)}else if(Array.isArray(e)){return e.some(function(e){return Pair.match(e,t)})}else if(is_plain_object(e)){return Object.values(e).some(function(e){return Pair.match(e,t)})}return false};Pair.prototype.find=function(e){return Pair.match(this,e)};Pair.prototype.clone=function(){var r=arguments.length>0&&arguments[0]!==undefined?arguments[0]:true;var n=new Map;function i(e){if(is_pair(e)){if(n.has(e)){return n.get(e)}var t=new Pair;n.set(e,t);if(r){t.car=i(e.car)}else{t.car=e.car}t.cdr=i(e.cdr);t[__cycles__]=e[__cycles__];return t}return e}return i(this)};Pair.prototype.last_pair=function(){var e=this;while(true){if(!is_pair(e.cdr)){return e}if(e.have_cycles("cdr")){break}e=e.cdr}};Pair.prototype.to_array=function(){var e=arguments.length>0&&arguments[0]!==undefined?arguments[0]:true;var t=[];if(is_pair(this.car)){if(e){t.push(this.car.to_array())}else{t.push(this.car)}}else{t.push(this.car.valueOf())}if(is_pair(this.cdr)){t=t.concat(this.cdr.to_array(e))}return t};Pair.fromArray=function(e){var t=arguments.length>1&&arguments[1]!==undefined?arguments[1]:true;var r=arguments.length>2&&arguments[2]!==undefined?arguments[2]:false;if(is_pair(e)||r&&e instanceof Array&&e[__data__]){return e}if(t===false){var n=_nil;for(var i=e.length;i--;){n=new Pair(e[i],n)}return n}if(e.length&&!(e instanceof Array)){e=_toConsumableArray(e)}var a=_nil;var o=e.length;while(o--){var u=e[o];if(u instanceof Array){u=Pair.fromArray(u,t,r)}else if(typeof u==="string"){u=LString(u)}else if(typeof u==="number"&&!Number.isNaN(u)){u=LNumber(u)}a=new Pair(u,a)}return a};Pair.prototype.to_object=function(){var e=arguments.length>0&&arguments[0]!==undefined?arguments[0]:false;var t=this;var r={};while(true){if(is_pair(t)&&is_pair(t.car)){var n=t.car;var i=n.car;if(i instanceof LSymbol){i=i.__name__}if(i instanceof LString){i=i.valueOf()}var a=n.cdr;if(is_pair(a)){a=a.to_object(e)}if(is_native(a)){if(!e){a=a.valueOf()}}r[i]=a;t=t.cdr}else{break}}return r};Pair.fromPairs=function(e){return e.reduce(function(e,t){return new Pair(new Pair(new LSymbol(t[0]),t[1]),e)},_nil)};Pair.fromObject=function(t){var e=Object.keys(t).map(function(e){return[e,t[e]]});return Pair.fromPairs(e)};Pair.prototype.reduce=function(e){var t=this;var r=_nil;while(true){if(!is_nil(t)){r=e(r,t.car);t=t.cdr}else{break}}return r};Pair.prototype.reverse=function(){if(this.have_cycles()){throw new Error("You can't reverse list that have cycles")}var e=this;var t=_nil;while(!is_nil(e)){var r=e.cdr;e.cdr=t;t=e;e=r}return t};Pair.prototype.transform=function(n){function i(e){if(is_pair(e)){if(e.replace){delete e.replace;return e}var t=n(e.car);if(is_pair(t)){t=i(t)}var r=n(e.cdr);if(is_pair(r)){r=i(r)}return new Pair(t,r)}return e}return i(this)};Pair.prototype.map=function(e){if(typeof this.car!=="undefined"){return new Pair(e(this.car),is_nil(this.cdr)?_nil:this.cdr.map(e))}else{return _nil}};var repr=new Map;function is_plain_object(e){return e&&_typeof$1(e)==="object"&&e.constructor===Object}var props=Object.getOwnPropertyNames(Array.prototype);var array_methods=[];props.forEach(function(e){array_methods.push(Array[e],Array.prototype[e])});function is_array_method(e){e=unbind(e);return array_methods.includes(e)}function is_lips_function(e){return is_function(e)&&(is_lambda(e)||e.__doc__)}function user_repr(e){var r=e.constructor||Object;var n=is_plain_object(e);var i=is_function(e[Symbol.asyncIterator])||is_function(e[Symbol.iterator]);var a;if(repr.has(r)){a=repr.get(r)}else{repr.forEach(function(e,t){t=unbind(t);if(r===t&&(t===Object&&n&&!i||t!==Object)){a=e}})}return a}var str_mapping=new Map;[[true,"#t"],[false,"#f"],[null,"#null"],[undefined,"#void"]].forEach(function(e){var t=_slicedToArray(e,2),r=t[0],n=t[1];str_mapping.set(r,n)});function symbolize(r){if(r&&_typeof$1(r)==="object"){var n={};var e=Object.getOwnPropertySymbols(r);e.forEach(function(e){var t=e.toString().replace(/Symbol\(([^)]+)\)/,"$1");n[t]=toString(r[e])});var t=Object.getOwnPropertyNames(r);t.forEach(function(e){var t=r[e];if(t&&_typeof$1(t)==="object"&&t.constructor===Object){n[e]=symbolize(t)}else{n[e]=toString(t)}});return n}return r}function get_props(e){return Object.keys(e).concat(Object.getOwnPropertySymbols(e))}function has_own_function(e,t){return e.hasOwnProperty(t)&&is_function(e.toString)}function function_to_string(e){if(is_native_function(e)){return"#"}var t=e.prototype&&e.prototype.constructor;if(is_function(t)&&is_lambda(t)){if(e[__class__]&&t.hasOwnProperty("__name__")){var r=t.__name__;if(LString.isString(r)){r=r.toString();return"#")}return"#"}}if(e.hasOwnProperty("__name__")){var n=e.__name__;if(_typeof$1(n)==="symbol"){n=symbol_to_string(n)}if(typeof n==="string"){return"#")}}if(has_own_function(e,"toString")){return e.toString()}else if(e.name&&!is_lambda(e)){return"#")}else{return"#"}}var instances=new Map;[[Error,function(e){return e.message}],[Pair,function(e,t){var r=t.quote,n=t.skip_cycles,i=t.pair_args;if(!n){e.mark_cycles()}return e.toString.apply(e,[r].concat(_toConsumableArray(i)))}],[LCharacter,function(e,t){var r=t.quote;if(r){return e.toString()}return e.valueOf()}],[LString,function(e,t){var r=t.quote;e=e.toString();if(r){return JSON.stringify(e).replace(/\\n/g,"\n")}return e}],[RegExp,function(e){return"#"+e.toString()}]].forEach(function(e){var t=_slicedToArray(e,2),r=t[0],n=t[1];instances.set(r,n)});var native_types=[LSymbol,Macro,Values,InputPort,OutputPort,Environment,QuotedPromise];function toString(e,t,r){if(typeof jQuery!=="undefined"&&e instanceof jQuery.fn.init){return"#"}if(str_mapping.has(e)){return str_mapping.get(e)}if(is_prototype(e)){return"#"}if(e){var n=e.constructor;if(instances.has(n)){for(var i=arguments.length,a=new Array(i>3?i-3:0),o=3;o"}if(e===null){return"null"}if(is_function(e)){if(is_function(e.toString)&&e.hasOwnProperty("toString")){return e.toString().valueOf()}return function_to_string(e)}if(_typeof$1(e)==="object"){var l=e.constructor;if(!l){l=Object}var f;if(typeof l.__class__==="string"){f=l.__class__}else{var _=user_repr(e);if(_){if(is_function(_)){return _(e,t)}else{throw new Error("toString: Invalid repr value")}}f=l.name}if(is_function(e.toString)&&e.hasOwnProperty("toString")){return e.toString().valueOf()}if(type(e)==="instance"){if(is_lambda(l)&&l.__name__){f=l.__name__.valueOf();if(_typeof$1(f)==="symbol"){f=f.toString().replace(/^Symbol\((?:#:)?([^\)]+)\)$/,"$1")}}else if(!is_native_function(l)){f="instance"}}if(is_iterator(e,Symbol.iterator)){if(f){return"#")}return"#"}if(is_iterator(e,Symbol.asyncIterator)){if(f){return"#")}return"#"}if(f!==""){return"#<"+f+">"}return"#