Shirayuki language implement
// ==UserScript==
// @name Shirayuki
// @namespace
// @version 1.13
// @description Shirayuki language implement
// @author Rika
// @match *://*.zhihu.com/*
// @grant none
// @require https://code.jquery.com/jquery-latest.js
// @namespace https://greasyfork.org/users/165948
// ==/UserScript==
(function() {
function interpreter(code_console){
this.code_console = code_console;
this.halt = false;
var self = this;
function trampoline(f){
var func = f;
while (typeof func === 'function') {
func = func();
}
return func;
}
function trampoline_exec(f){
var count = 0;
while(count < (1 << 13) && typeof f === 'function') {
count++;
f = f();
}
if (typeof f === 'function' && !self.halt) {
setTimeout(trampoline_exec.bind(null, f), 0);
}
}
function console_read(x){
self.code_console.input(x);
}
function console_write(x){
self.code_console.output(x);
}
function console_suspend(x){
self.code_console.suspend(x);
}
function console_clear(){
self.code_console.clear();
}
function console_sleep(x,time){
self.code_console.sleep(x,time);
}
function toBoolean(x){
return Boolean(x)&&x!=false;
}
function isBoolean(x){
return typeof x === 'boolean';
}
function isArray(x){
return Object.prototype.toString.call(x) === '[object Array]';
}
function isNumber(x){
return !isNaN(x) && !isArray(x) &&x!=null;
}
function isString(x){
return typeof x === 'string' || x instanceof String;
}
function isFunction(x){
return typeof x === "function";
}
function isEmpty(obj){
return jQuery.isEmptyObject(obj);
}
function nonEmpty(obj){
return !isEmpty(obj);
}
function set(x){
var ret={};
x.forEach(function(item,index){ret[item]=index;});
return ret;
}
function extend(obj, src){
for (var key in src) {
if (src.hasOwnProperty(key) && !obj.hasOwnProperty(key)) obj[key] = src[key];
}
return obj;
}
function map_cps(f,x,cont){
if(isEmpty(x)){
return cont.bind(null,[]);
}
else if(x.length==1){
return f.bind(null,x[0], function(y){
return cont.bind(null,[y]);
});
}
else{
return map_cps.bind(null,f,x.slice(0, x.length-1),function(y){
return f.bind(null, x[x.length-1], function(z){
y.push(z);
return cont.bind(null,y);
});
});
}
}
function filter_cps(f,x,cont){
if(isEmpty(x)){
return cont.bind(null,[]);
}
else if(x.length==1){
return f.bind(null, x[0], function(y){
if(y){
return cont.bind(null,[x[0]]);
}
else{
return cont.bind(null,[]);
}
});
}
else{
return filter_cps.bind(null,f,x.slice(1),function(y){
return f.bind(null, x[0], function(z){
if(z){
y.unshift(x[0]);
}
return cont.bind(null,y);
});
});
}
}
function reduce_cps(f,x,cont){
if(isEmpty(x)){
return cont.bind(null,[]);
}
else if(x.length==1){
return cont.bind(null,x[0]);
}
else if(x.length==2){
return f.bind(null,x[0],x[1],cont);
}
else{
return reduce_cps.bind(null,f,x.slice(1),function(y){
return f.bind(null,x[0], y, function(z){
return cont.bind(null,z);
});
});
}
}
function argument_number(n) {return n>1 ? n + " arguments" : n + " argument";}
function do_raise_syntax(msg){throw {name:'Error',message:'Syntax Error: '+msg+'.'}}
function do_raise(msg){throw {name:'Error',message:'Running Error: '+msg+'.'}}
var wapper=function(_f){
return function(){
return _f.apply(null, [wapper(_f)].concat(Array.prototype.slice.call(arguments)));
}
}
var preprocessor_x=wapper(
function(self,__Str,_n,_m,_k){
if(_n === undefined) {
_n = 0;
}
if(_m === undefined) {
_m = 0;
}
if(_k === undefined) {
_k = 0;
}
return (!__Str && (_n==0 && _m==0 && _k==0)) ? '' :
(!__Str) ?
(
(_n!=0) ? do_raise_syntax("unmatched parentheses '"+(_n>0?'(':')')+"'") :
(_m!=0) ? do_raise_syntax("unmatched parentheses '"+(_m>0?'{':'}')+"'") :
do_raise_syntax("unmatched parentheses '"+(_k>0?'[':']')+"'")
) :
(__Str[0]=='\n' && _n==0) ? '\n'+self(__Str.slice(1), _n) :
(__Str[0]=='\n' && _n!=0) ? self(__Str.slice(1), _n) :
(__Str[0].match(/[\w\d\+\-\*\/\%\.\(\)\^\!\<\>\=\:\,\t\|\{\}\[\]\\\~\ ]/)) ? __Str[0]+self(__Str.slice(1), _n+(__Str[0]=='(')-(__Str[0]==')'), _m+(__Str[0]=='{')-(__Str[0]=='}'), _k+(__Str[0]=='[')-(__Str[0]==']')) :
do_raise_syntax("unexpect symbol '"+__Str[0]+"'");
});
var preprocessor=function(__Str){
return preprocessor_x(__Str.replace(/\/\/.*/g,'').replace(/[ \f\r\t\v]+/g,' ').split('\n').filter(function(x){return Boolean(x)}).join('\n'));
}
var lexer=function(__Str){
return (preprocessor(__Str).split(/(def!|\-\>|[<>=]{2}|\!\=|_(?=\s|\{|\()|\\(?:\(|\{)|(?:\)|\})\\|[\>\<\=\+\-\*\/\%\(\)\^\!\:\,\n\|\t\{\}\[\]\~\ ])/g).filter(function(c){return Boolean(c) && !(c in set([' ','\t']))}).map(
function(s){
return (!isNaN(s) && s!='\n') ? Number(s) :
(s=='<>') ? '!=' :
(s.indexOf('.')==-1 || s=='=<' || s=='=>' || s=='><') ? s :
do_raise_syntax("unexpect symbol '"+s+"'");
}));
}
var parser_unit=wapper(
function(self,__List,__Level,__Escape){
var topLevel = 11;
if(__Level === undefined) {
__Level = topLevel;
}
if(__Escape === undefined) {
__Escape = false;
}
return (__Level==0) ? (
(nonEmpty(__List) && (__List[0]=='(' || __List[0]=='{')) ? (
(function(_t){
return (_t.length>2 || _t[1][0]=='}') ? [['()', (_t.length>2 || _t[0]!=null) ? _t.slice(0,-1) : []], _t[_t.length-1].slice(1)] : [_t[0],_t[1].slice(1)];
})(
wapper(
function(self, rf, _t0){
return (nonEmpty(_t0[1]) && _t0[1][0]==',') ? (function(_tx){return [_t0[0]].concat(self(rf, _tx));})(rf(_t0[1].slice(1),topLevel,__Escape)): _t0;
}
)(self, self(__List.slice(1),topLevel,__Escape))
)
) :
(nonEmpty(__List) && (__List[0]=='\\(' || __List[0]=='\\{')) ? (
__Escape? (
(function(_t0){
return (isEmpty(_t0[1]) || (__List[0]=='\\(' && _t0[1][0]!=')\\') || (__List[0]=='\\{' && _t0[1][0]!='}\\')) ?
do_raise_syntax("expect symbol '"+(__List[0]=='\\('?')\\':'}\\')+"', given: '"+_t0[1][0]+"'") : [[__List[0]+_t0[1][0],_t0[0]],_t0[1].slice(1)];
}
)(self(__List.slice(1),topLevel,false))) :
do_raise_syntax("unexpect symbol '"+__List[0]+"'")
):
(nonEmpty(__List) && (__List[0]=='[')) ? (
(function(_t0){
return (isEmpty(_t0[1]) || _t0[1][0]!=']') ? do_raise_syntax("expect symbol ']', given: '"+_t0[1][0]+"'") : [['[]',_t0[0]],_t0[1].slice(1)];
}
)(self(__List.slice(1),topLevel,true))
) :
(nonEmpty(__List) && (__List[0]=='~')) ? (
(function(_t){
return nonEmpty(_t) ? (
(function(_r){ return [[__List[0],_r[0]], _r[1]]; })(self(__List.slice(1),3,__Escape))
) : do_raise_syntax("expect identifier, given: End of line")
})(__List.slice(1))
) :
(nonEmpty(__List) && (isString(__List[0]) && __List[0]=='None')) ? (
[[__List[0]], __List.slice(1)]
) :
(nonEmpty(__List) && (!isString(__List[0]) || !__List[0].match(/^(\-\>|\\(?:\(|\{)|(?:\)|\})\\|[<>=]{2}|[\>\<\=\,\+\-\*\/\%\(\)\^\!\|\{\}\[\]\_\:\~])$/))) ? (
[__List[0], __List.slice(1)]
) :
[null, __List]
) :
(__Level==1) ? (
(nonEmpty(__List) && __List[0] in set(['lambda','def','def!'])) ? (
(__List[0] in set(['def','def!']) && __Escape) ? do_raise_syntax("macro definitions are not allowed") :
(function(_t){
return (nonEmpty(_t) && _t[0]==':') ? (
(function(sf,s0,s1,s2,t){
return sf(s2(s1(s0(t))));
})
((function(_tf){
return [[((__List[0] in set(['def','def!']))&&_tf[0])?__List[0]+'_const':__List[0]].concat(_tf.slice(1,-1)),_tf[_tf.length-1]];
}),
(function(_t0){
return (_t0.length>1 && _t0[0]!='\\(' && _t0[0]!='\\{' && _t0[1] in set(['=','('])) ? (
(!(_t0[0] in set(['None','lambda','def','def!','delay','callcc','eval','curry']))&&isString(_t0[0])&&_t0[0].match(/^[A-Za-z_][A-Za-z0-9_]*$/)) ?
([_t0[0],_t0.slice(1),_t0[1]=='=']) :
do_raise_syntax("invaild "+((__List[0]=='lambda')?"function":"macro")+" name '"+_t0[0]+"'")
) :
((nonEmpty(_t0) && (_t0[0]=='\\(' || _t0[0]=='\\{')) ? (
(function(_tx){
return (nonEmpty(_tx[1]) && _tx[1][0] in set(['=','('])) ?
[_tx[0],_tx[1],_t0[1][0]=='='] :
['',_t0,false];
})(self(_t0,0,__Escape))
):
['',_t0,false]);
}),
(function(_t1){
return (!(__List[0]=='def' && isEmpty(_t1[0]))) ?
_t1 :
do_raise_syntax("anonymous macro");
}),
(function(_t2){
return (function(_tc){
return [_t2[2],_t2[0],_tc[0]].concat(
(_t2[1][0]=='(' && nonEmpty(_tc) && _tc[1][0]==')' && (_tc[1].length>1 && _tc[1][1] in set(['=','->']))) ? (self(_tc[1].slice(2),topLevel,__Escape)) :
(_t2[1][0]=='(' && (isEmpty(_tc[1]) || _tc[1][0]!=')')) ? do_raise_syntax("expect symbol ')'") :
(_t2[1][0]!='(' && nonEmpty(_tc[1]) && (_tc[1][0] in set(['=','->']))) ? self(_tc[1].slice(1),topLevel,__Escape) :
do_raise_syntax("expect symbol '=' or '->', given: '"+(nonEmpty(_tc[1])&&_tc[1][0]?_tc[1][0]:'')+"'")
);
})((!(nonEmpty(_t2[1]) && _t2[1][0]=='=')) ? (
(function(_ta){
return [_ta[0].length==1 && _ta[0][0]==null? []: _ta[0],_ta[1]];
})(wapper(
function(self, rf, _ta){
return nonEmpty(_ta) ? (
(function(_tx){
return (nonEmpty(_tx[1]) && _tx[1][0]==',') ? (function(ty){return [[_tx[0]].concat(ty[0]),ty[1]]; })(self(rf,_tx[1].slice(1))):[[_tx[0]],_tx[1]];
})(rf(_ta,3,__Escape))
) :
(isEmpty(_ta) || _ta[0] in set(['->','=',')'])) ? [[],_ta] :
do_raise_syntax("unexpect symbol '"+_ta[0]+"'");
})(self, _t2[1].slice(nonEmpty(_t2[1]) && _t2[1][0]=='('))
)) :
[[], _t2[1]]
);
}),_t.slice(1))
) :
do_raise_syntax("expect symbol ':', given: '"+_t[0]+"'");
})(__List.slice(1))
) :
self(__List, __Level-1, __Escape)
) :
(__Level==2) ? (
(nonEmpty(__List) && (__List[0] in set(['delay','callcc','eval','curry']))) ? (
(function(_t,_f){
return (nonEmpty(_t) && _t[0] =='(') ?
(function(_t0){
return (isEmpty(_t0[1]) || _t0[1][0]!=')') ?
do_raise_syntax("expect symbol ')', given: '"+_t0[1][0]+"'") :
[_t0[0],_t0[1].slice(1)];
}
)(_f(_t.slice(1),true)) :
_f(_t,false);
})(__List.slice(1),function(_t,_mk){
return (function(_t0){
return [[__List[0],_t0[0]],_t0[1]];
})(self(_t, _mk?topLevel:3, __Escape))
})) :
self(__List, __Level-1,__Escape)
) :
(__Level==3) ? (
wapper(
function(self, rf, _t){
return (nonEmpty(_t[1]) && _t[1][0]=='(') ? (
(function(_t0){
return self(rf, [['<-',_t[0],_t0[0]],_t0[1]]);
})((function(_t){return [['()',(_t.length>2 || _t[0]!=null) ? _t.slice(0,-1) : []],_t[_t.length-1].slice(1)];})(
wapper(
function(self, rf, _t0){
return (_t0[1] && _t0[1][0]==',') ? (function(_tx){return [_t0[0]].concat(self(rf, _tx));})(rf(_t0[1].slice(1),topLevel,__Escape)) : _t0;
})(rf, rf(_t[1].slice(1),topLevel,__Escape))
))
) :
(nonEmpty(_t[1]) && _t[1][0]=='{') ? do_raise_syntax("unexpect symbol '{'") :
(nonEmpty(_t[1]) && !_t[1][0].toString().match(/(\-\>|\\(?:\(|\{)|(?:\)|\})\\|[<>=]{2}|[\>\<\=\,\+\-\*\/\%\(\)\^\!\|\:\{\}\[\]\_\n\~])/)) ? (
(function(_t0){
//return self(rf, [['*',_t[0],_t0[0]],_t0[1]]);
do_raise_syntax("unexpect symbol '"+_t[1][0]+"'");
})(rf(_t[1], 4, __Escape))
) :
_t;
})(self, self(__List, __Level-1, __Escape))
) :
(__Level==4) ? (
(nonEmpty(__List) && __List[0]=='|') ? (
(function(_t0){
return [['|',_t0.slice(0,-2)],_t0[_t0.length-1]];
})(wapper(
function(self, rf, _t){
return (nonEmpty(_t) && _t[0]=='|') ? (
(function(_tx){
return (nonEmpty(_tx[1]) && _tx[1][0]==':') ? (
(function(_ty){
return [[_tx[0], _ty[0]]].concat(self(rf, _ty[1]));
})(rf(_tx[1].slice(1),topLevel,__Escape))
) :
do_raise_syntax("expect symbol ':'");
})(rf(_t.slice(1),topLevel,__Escape))
) :
[[], _t];
})(self, __List))
) :
self(__List, __Level-1, __Escape)
) :
(__Level>4 && __Level<12) ? (
wapper(
function(self, rf, _t){
return (_t[1] && _t[1][0] in [set(['->']),set(['_']),set(['!']),set(['^']),set(['*','/','%']),set(['+','-']),set(['=','!=','<','>','<=','>='])][__Level-5]) ? (
(function(x){
return (function(_t0){
return x ? ((nonEmpty(_t0[1]) && _t0[1][0]=='}') ?
self(rf, [[_t[1][0],_t[0],_t0[0]],_t0[1].slice(1)]) :
do_raise_syntax("expect symbol '}'")) :
self(rf, [[_t[1][0],_t[0],_t0[0]],_t0[1]]);
})(rf(_t[1].slice(1+x), x?11:__Level-1, __Escape));
})(((__Level==6 || __Level==8) && _t[1].length>1 && _t[1][1]=='{'))
) :
_t;
})(self, self(__List, __Level-1, __Escape))
) :
(self(__List, __Level-1, __Escape)
);
});
var parser=wapper(
function(self, __List){
return ((function(rf, _t){
return (isEmpty(_t[1])||_t[1][0]=='\n') ?
[_t[0]].concat((nonEmpty(_t[1])) ? rf(_t[1].slice(1)) : []) :
do_raise_syntax("Unexpected end of line");
}
)(self, parser_unit(__List)));
});
var merge_dict=function(x,y){
return extend(x,y);
}
var builtin_func_signature=function(f){
var signature={
'apply': ['lambda','apply',['f','x']],
'isFunction': ['lambda','isFunction',['x']],
'isList': ['lambda','isList',['x']],
'isNumber': ['lambda','isNumber',['x']],
'isNone': ['lambda','isNone',['x']],
'isAst': ['lambda','isAst',['x']],
'int': ['lambda','int',['x']],
'float': ['lambda','float',['x']],
'len': ['lambda','len',['x']],
'map': ['lambda','map',['f','x']],
'filter': ['lambda','filter',['f','x']],
'reduce': ['lambda','reduce',['f','x']],
'ceil': ['lambda','ceil',['x']],
'floor': ['lambda','floor',['x']],
'boolean': ['lambda','boolean',['x']],
'abs': ['lambda','abs',['x']],
'sin': ['lambda','sin',['x']],
'cos': ['lambda','cos',['x']],
'tan': ['lambda','tan',['x']],
'ln': ['lambda','ln',['x']],
'exp': ['lambda','exp',['x']],
'pi': ['lambda','pi',[]],
'e': ['lambda','e',[]],
'random': ['lambda','random',[]],
'and': ['lambda','and',['x','y']],
'or': ['lambda','or',['x','y']],
'not': ['lambda','or',['x']],
'input': ['lambda','input',[]],
'output': ['lambda','output',['x']],
'suspend': ['lambda','suspend',['f']],
'clear': ['lambda','suspend',[]],
'halt': ['lambda','halt',[]],
};
return signature[f];
};
var global_symtable=function(_t){
var numeric_func=function(f,name){
return function(x,cont){
if(!isNaN(x)){
return cont.bind(null,f(x));
}
else{
do_raise("call lambda <"+name+"> with not isnumeric argument");
}
}
}
var builtin=function(f,name,args,decay){
if(decay === undefined) {
decay = true;
}
return val_func(builtin_func(f,name,args,decay));
}
var builtin_func_list={
'apply': builtin(function(f,x,cont){
if(isFunction(f)&&f(2)!='Ast'&&f(2)!='free_identifier'){
if(isArray(x)){
return f().bind(null,x,cont);
}
else{
return f().bind(null,[val_func(x)],cont);
}
}
else{
return result_of.bind(null, val_func(f), function(v){
do_raise("calling a not callable object "+v);
});
}
},'apply',['f','x']),
'isFunction': builtin(function(x,cont){
if(isFunction(x)&&x(2)!='Ast'&&x(2)!='free_identifier'){
return cont.bind(null,true);
}
else{
return cont.bind(null,false);
}
},'isFunction',['x']),
'isList': builtin(function(x,cont){
if(isArray(x)){
return cont.bind(null,true);
}
else{
return cont.bind(null,false);
}
},'isList',['x']),
'isNumber': builtin(function(x,cont){
if(isNumber(x)){
return cont.bind(null,true);
}
else{
return cont.bind(null,false);
}
},'isNumber',['x']),
'isNone': builtin(function(x,cont){
if(x==null){
return cont.bind(null,true);
}
else{
return cont.bind(null,false);
}
},'isNone',['x']),
'isAst': builtin(function(x,cont){
if(isFunction(x)&&x(2)=='Ast'){
return cont.bind(null,true);
}
else{
return cont.bind(null,false);
}
},'isAst',['x']),
'int': builtin(numeric_func(function(x){return Math.floor(x);},'int'),'int',['x']),
'float': builtin(numeric_func(function(x){return x;},'float'),'float',['x']),
'boolean': builtin(function(x,cont){return cont.bind(null,toBoolean(x));},'boolean',['x']),
'len': builtin(function(x,cont){
if(isArray(x)){
return cont.bind(null,x.length);
}
else{
do_raise("call lambda <len> with not vector argument");
}
},'len',['x']),
'map': builtin(function(f,x,cont){
if(isArray(x)){
return map_cps.bind(null,function(y,cont){
return f().bind(null,[y],cont);
},
x,cont);
}
else{
do_raise("call lambda <map> with not vector argument");
}
},'map',['f','x']),
'filter': builtin(function(f,x,cont){
if(isArray(x)){
return filter_cps.bind(null,function(y,cont){
return f().bind(null,[y],function(v){
return v().bind(null,null,function(cond){
return cont.bind(null,Boolean(cond) && !(isArray(cond) && isEmpty(cond)));
});
});
},
x,cont);
}
else{
do_raise("call lambda <filter> with not vector argument");
}
},'filter',['f','x']),
'reduce': builtin(function(f,x,cont){
if(isArray(x)){
if(nonEmpty(x)){
return reduce_cps.bind(null,function(a,b,cont){
return f().bind(null,[a,b],cont);
},
x,cont);
}
else{
return cont.bind(null,[]);
}
}
else{
do_raise("call lambda <reduce> with not vector argument");
}
},'reduce',['f','x']),
'ceil': builtin(numeric_func(function(x){return Math.ceil(x);},'ceil'),['x']),
'floor': builtin(numeric_func(function(x){return Math.floor(x);},'floor'),'floor',['x']),
'abs': builtin(numeric_func(function(x){return Math.abs(x);},'abs'),'abs',['x']),
'sin': builtin(numeric_func(function(x){return Math.sin(x);},'sin'),'sin',['x']),
'cos': builtin(numeric_func(function(x){return Math.cos(x);},'cos'),'cos',['x']),
'tan': builtin(numeric_func(function(x){return Math.tan(x);},'tan'),'tan',['x']),
'ln': builtin(numeric_func(function(x){return Math.log(x);},'ln'),'ln',['x']),
'exp': builtin(numeric_func(function(x){return Math.exp(x);},'exp'),'exp',['x']),
'pi': builtin(function(cont){return cont.bind(null,Math.PI);},'pi',[]),
'e': builtin(function(cont){return cont.bind(null,Math.E);},'e',[]),
'random': builtin(function(cont){return cont.bind(null,Math.random());},'random',[]),
'and': builtin(function(x,y,cont){
return x().bind(null,null,function(a){
return !toBoolean(a)?
cont.bind(null,val_func(false)) :
y().bind(null,null,function(b){
return !toBoolean(b)?
cont.bind(null,val_func(false)) :
cont.bind(null,val_func(true));
});
});
},'and',['x','y'],false),
'or': builtin(function(x,y,cont){
return x().bind(null,null,function(a){
return toBoolean(a)?
cont.bind(null,val_func(true)) :
y().bind(null,null,function(b){
return toBoolean(b)?
cont.bind(null,val_func(true)) :
cont.bind(null,val_func(false));
});
});
},'or',['x','y'],false),
'not': builtin(function(x,cont){return cont(!toBoolean(x));},'or',['x']),
'input': builtin(function(cont){
console_read(function(code){
trampoline_exec(evaluate(parser(lexer(code))[0],{},{},function(x){
trampoline_exec(x().bind(null,null,cont));
}));
});
},'input',[]),
'output': builtin(function(x,cont){
return result_of.bind(null, x, function(v){
console_write(v);
console_sleep(function(){
trampoline_exec(cont.bind(null,x));
}, 10);
});
},'output',['x'], false),
'suspend': builtin(function(x,cont){
console_suspend(function(){
trampoline_exec(cont.bind(null,x));
});
},'suspend',['f'], false),
'clear': builtin(function(cont){
console_clear();
return cont(null);
},'clear',[]),
'halt': builtin(function(cont){
return null;
},'halt',[], false),
};
var ret={};
_t.forEach(function(item,index){
if(isArray(item) && nonEmpty(item) && item[0]=='lambda'){
if(!(item[1] in ret)){
ret[item[1]]=[item[0],item[1],[],[]];
}
ret[item[1]][2].push(item[2]);
ret[item[1]][3].push(item[3]);
if(ret[item[1]][2][0].length!=item[2].length){
do_raise_syntax("define lambda<"+(item[1] ? item[1] : 'unnamed')+"> with unmatched arguments,\n given:"+
'('+ret[item[1]][2][0].map(function(x){ return AstToString(x).replace(/\n$/,''); }).join(',')+') and '+
'('+item[2].map(function(x){ return AstToString(x).replace(/\n$/,''); }).join(',')+')');
}
}
});
for (var key in ret) {
ret[key]=val_func(func(ret[key][0],ret[key][1],ret[key][2],ret[key][3], {}, ret, evaluate));
}
merge_dict(ret, builtin_func_list);
merge_dict(ret, {'true':val_func(true),'false':val_func(false)});
return ret;
}
var macro_symtable=function(_t,_gsym){
if(_gsym === undefined) {
_gsym = {};
}
var ret={}, temp={};
_t.forEach(function(item,index){
if(isArray(item) && nonEmpty(item) && item[0] in set(['def','def_const','def!','def!_const'])){
if(!(item[1] in temp)){
temp[item[1]]=[item[0],item[1],[],[]];
}
temp[item[1]][2].push(item[2]);
temp[item[1]][3].push(item[3]);
if(temp[item[1]][2][0].length!=item[2].length){
do_raise_syntax("define macro<"+(item[1] ? item[1] : 'unnamed')+"> with unmatched arguments,\n given:"+
'('+temp[item[1]][2][0].map(function(x){ return AstToString(x).replace(/\n$/,''); }).join(',')+') and '+
'('+item[2].map(function(x){ return AstToString(x).replace(/\n$/,''); }).join(',')+')');
}
}
});
for (var key in temp) {
temp[key]=val_func(func(temp[key][0],temp[key][1],temp[key][2],temp[key][3], {}, temp, evaluate, true));
ret[key]=temp[key];
}
merge_dict(temp, _gsym);
return ret;
}
var macro_expansion=function(Ast, cont){
var gsym=global_symtable(Ast);
var msym=macro_symtable(Ast,gsym);
var KFFD=(function(_t, _msym, cont){
var id_set={};
var rename_set={};
var S=function(index, _e){
return (function(_t){
if(nonEmpty(_t)){
if(!(_t in id_set)){
id_set[_t]={};
}
id_set[_t][index]=true;
if(_e){
return ['#', _t, index].concat(_e);
}
else{
return ['#', _t, index];
}
}
else{
return _t;
}
});
}
var T=function(_t, s){
if(isArray(_t)){
if(nonEmpty(_t)){
if(_t[0] in set(['->','<-','!=','<=','>=','<','>','=','+','-','*','/','%','^','!','_'])){
return [_t[0], T(_t[1],s), T(_t[2],s)];
}
else if(_t[0]=='()'){
return [_t[0],_t[1].map(function(x){ return T(x,s); })];
}
else if(_t[0] in set(['[]','\\()\\','\\{}\\','~','delay','callcc','eval','curry'])){
return [_t[0], T(_t[1],s)];
}
else if(_t[0]=='|'){
return [_t[0],_t[1].map(function(x){ return [T(x[0],s),T(x[1],s)]; })];
}
else if(_t[0]=='None'){
return _t;
}
else if(_t[0]=='lambda'){
return [_t[0], T(_t[1],s), _t[2].map(function(x){ return T(x,s); }), T(_t[3],s)];
}
else if(_t[0] in set(['def','def_const','def!','def!_const'])){
return null;
}
else if(_t[0]=='#'){
return _t;
}
}
else{
return null;
}
}
else{
if(isString(_t) && !(_t in _msym)){
return s(_t);
}
else{
return _t;
}
}
}
var E=function(_t, index, cont){
var E_impl=function(_t, index, env, bound, match, cont){
if(isArray(_t)){
if(nonEmpty(_t)){
if(_t[0] in set(['->','!=','<=','>=','<','>','=','+','-','*','/','%','^','!','_'])){
return E_impl.bind(null,_t[1], index, env, bound, 0, function(x){
return E_impl.bind(null,_t[2], index, env, bound, 0, function(y){
return cont.bind(null,[_t[0],x,y]);
});
});
}
else if(_t[0]=='<-'){
return E_impl.bind(null,_t[1], index, env, bound, match, function(x){
return E_impl.bind(null,_t[2], index, env, bound, match, function(y){
if(isString(x) && x in _msym){
var dirty=(_msym[x](-1)[0].indexOf('!')!=-1);
return _msym[x]().bind(null,null,function(f){
return f().bind(null,y[1].map(function(k){ return val_func(ast_func(k)); }),function(v0){
return v0().bind(null,null, function(v){
if(!isFunction(v)) v=val_func(v);
if(dirty){
return E_impl.bind(null, T(v(-1), function(_t){ return _t in bound? S(index-1)(_t):S(index-1,env)(_t); }), index, env, bound, match, function(n){
return cont.bind(null,n);
});
}
else{
return E_impl.bind(null, T(v(-1), S(index,v(-3))), index+1, v(-3), {}, match, function(n){
return cont.bind(null,n);
});
}
});
});
});
}
return cont.bind(null,[_t[0],x,y]);
});
});
}
else if(_t[0]=='()'){
return map_cps.bind(null,function(x,cont){
return E_impl.bind(null,x, index, env, bound, match, cont);
},
_t[1],
function(x){
return cont.bind(null,['()',x]);
});
}
else if(_t[0] in set(['[]','\\()\\','\\{}\\','delay','callcc','eval','curry'])){
return E_impl.bind(null,_t[1], index, env, bound, match+(match&&(_t[0]=='[]'||(-(_t[0] in set(['\\()\\','\\{}\\']))))), function(x){
return cont.bind(null,[_t[0],x]);
});
}
else if(_t[0]=='~'){
return E_impl.bind(null,_t[1], index, env, bound, match, function(x){
if(isString(x) || x==null ||
(isArray(x)&&nonEmpty(x)&&x[0] in set(['#','\\()\\','\\{}\\']))){
if (isString(x) && nonEmpty(x)){
bound[x]=true;
}
else if(isArray(x) && x[0]=='#' && isString(x[1]) && nonEmpty(x[1])){
bound[x[1]]=true;
}
return cont.bind(null,[_t[0],x]);
}
else{
do_raise_syntax("expect identifier, given: "+AstToString(x).replace(/\n$/,''));
}
});
}
if(_t[0]=='->'){
return E_impl.bind(null,_t[1], index, env, bound, match, function(x){
if(nonEmpty(_t[2]) && _t[2][0]=='|'){
return E_impl.bind(null,_t[2], index, env, bound, 1, function(y){
return cont.bind(null,[_t[0],x,y]);
});
}
else{
return E_impl.bind(null,_t[2], index, env, bound, match, function(y){
return cont.bind(null,[_t[0],x,y]);
});
}
});
}
else if(_t[0]=='|'){
return map_cps.bind(null,function(x,cont){
var sub=bound;
if(match==1){
sub={};
for (var key in bound) {
sub[key]=bound[key];
}
}
return E_impl.bind(null, x[0], index, env, sub, match, function(y){
return E_impl.bind(null, x[1], index, env, sub, 0, function(z){
return cont.bind(null,[y,z]);
});
});
},
_t[1],
function(x){
return cont.bind(null,['|',x]);
});
}
else if(_t[0]=='None'){
return cont.bind(null,_t);
}
else if(_t[0]=='lambda'){
var b={};
return E_impl.bind(null,_t[1], index, env, bound, match, function(x){
if(!(x==null || isString(x) || (isArray(x)&&nonEmpty(x)&&x[0] in set(['#','~','\\{}\\','\\()\\'])))){
do_raise_syntax("invaild function name: "+AstToString(x).replace(/\n$/,''));
}
return E_impl.bind(null,['()',_t[2]], index, env, b, 1, function(y){
y[1].forEach(function(item,index){
if(isString(item) && nonEmpty(item)){
b[item]=true;
}
else if(isArray(item)&&nonEmpty(item)&&item[0]=='#'){
b[item[1]]=true;
}
else if(!(isArray(item)&&nonEmpty(item)&&item[0] in set (['#','~','lambda','[]','()','\\{}\\','\\()\\']) ||
isNumber(item) || item==null)){
do_raise_syntax("invaild function argument: "+AstToString(item).replace(/\n$/,''));
}
});
return E_impl.bind(null,_t[3], index, env, b, match, function(z){
return cont.bind(null,[_t[0],x==null?'':x,y[1],z]);
});
});
});
}
else if(_t[0] in set(['def','def_const','def!','def!_const'])){
return cont.bind(null,null);
}
else if(_t[0]=='#'){
return cont.bind(null,_t);
}
}
else{
return cont.bind(null,null);
}
}
else{
if(isString(_t) && _t in _msym && _msym[_t](-1)[0] in set(['def_const','def!_const'])){
var dirty=(_msym[_t](-1)[0].indexOf('!')!=-1);
return _msym[_t]().bind(null,null,function(f){
return f().bind(null,[],function(v0){
return v0().bind(null,null, function(v){
if(!isFunction(v)) v=val_func(v);
if(dirty){
return E_impl.bind(null, T(v(-1), function(_t){ return _t in bound? S(index-1)(_t) : S(index-1,env)(_t); }), index, env, bound, match, function(n){
return cont.bind(null,n);
});
}
else{
return E_impl.bind(null, T(v(-1), S(index,v(-3))), index+1, v(-3), {}, match, function(n){
return cont.bind(null,n);
});
}
});
});
});
}
else{
return cont.bind(null,_t);
}
}
}
return E_impl.bind(null,_t,index,undefined,{},0,cont);
}
var A=function(_t){
if(isArray(_t)){
if(nonEmpty(_t)){
if(_t[0] in set(['->','<-','!=','<=','>=','<','>','=','+','-','*','/','%','^','!','_'])){
return [_t[0], A(_t[1]), A(_t[2])];
}
else if(_t[0]=='()'){
return [_t[0],_t[1].map(function(x){ return A(x); })];
}
else if(_t[0] in set(['[]','\\()\\','\\{}\\','delay','callcc','eval','curry'])){
return [_t[0], A(_t[1])];
}
else if(_t[0]=='~'){
if(isArray(_t[1]) && nonEmpty(_t[1]) && _t[1][0]=='#'){
if(Object.keys(id_set[_t[1][1]]).length>1){
var name=_t[1][1];
var i=0;
while(name+'_'+i in id_set) ++i;
name=name+'_'+i;
id_set[name]={};
id_set[name][_t[1][2]]=true;
rename_set[_t[1][1]+'#'+_t[1][2]]=name;
}
else{
rename_set[_t[1][1]+'#'+_t[1][2]]=_t[1][1];
}
}
return [_t[0], A(_t[1])];
}
else if(_t[0]=='|'){
return [_t[0],_t[1].map(function(x){ return [A(x[0]),A(x[1])]; })];
}
else if(_t[0]=='None'){
return ['None'];
}
else if(_t[0]=='lambda'){
var args=_t[2]
.map(function(x){ return A(x); })
.map(function(x){
if(isArray(x) && x[0]=='#'){
if(Object.keys(id_set[x[1]]).length>1){
var name=x[1];
var i=0;
while(name+'_'+i in id_set) ++i;
name=name+'_'+i;
id_set[name]={};
id_set[name][x[2]]=true;
rename_set[x[1]+'#'+x[2]]=name;
return name;
}
else{
rename_set[x[1]+'#'+x[2]]=x[1];
return x[1];
}
}
else{
return x;
}
});
return [_t[0], A(_t[1]), args, A(_t[3])];
}
else if(_t[0] in set(['def','def_const','def!','def!_const'])){
return null;
}
else if(_t[0]=='#'){
if(_t[2]==0){
return _t[1];
}
else{
return ((_t[1]+'#'+_t[2]) in rename_set ? rename_set[(_t[1]+'#'+_t[2])] : _t);
}
}
}
else{
return null;
}
}
else{
return _t;
}
}
var U=function(_t){
if(isArray(_t)){
if(nonEmpty(_t)){
if(_t[0] in set(['->','<-','!=','<=','>=','<','>','=','+','-','*','/','%','^','!','_'])){
return [_t[0], U(_t[1]), U(_t[2])];
}
else if(_t[0]=='()'){
return [_t[0],_t[1].map(function(x){ return U(x); })];
}
else if(_t[0] in set(['[]','\\()\\','\\{}\\','~','delay','callcc','eval','curry'])){
return [_t[0], U(_t[1])];
}
else if(_t[0]=='|'){
return [_t[0],_t[1].map(function(x){ return [U(x[0]),U(x[1])]; })];
}
else if(_t[0]=='None'){
return ['None'];
}
else if(_t[0]=='lambda'){
var f=_t[1]==null ? '' :
isArray(_t[1]) && nonEmpty(_t[1]) && _t[1][0]=='#' ? _t[1][1] :
_t[1];
return [_t[0], f, _t[2].map(function(x){ return U(x); }), U(_t[3])];
}
else if(_t[0] in set(['def','def_const','def!','def!_const'])){
return null;
}
else if(_t[0]=='#'){
if(_t.length==3){
return _t[1];
}
else{
return _t;
}
}
}
else{
return null;
}
}
else{
return _t;
}
}
return E.bind(null,T(_t,S(0)),1,function(x){
return cont.bind(null, U(A(x)));
});
});
var expansion=(function(_t, _msym, cont){
return map_cps.bind(null,function(x,cont){
return KFFD.bind(null, x, _msym, cont);
},
_t,
function(x){
return cont.bind(null,x.filter(function(v){
return (isArray(v) && nonEmpty(v)) || v!=null;
}));
});
});
return (expansion.bind(null, Ast, msym, function(x){
return cont.bind(null,x);
}));
}
var environment=function(_env, _symtable){
return function(_syb){
return (_syb in _env) ? _env[_syb] :
(_syb in _symtable) ? _symtable[_syb] :
do_raise("undefine symbol: "+_syb);
};
}
var ast_func=function(_ast, _env, _gsym){
var code=AstToString(_ast).replace(/\n$/,'');
if(code.indexOf('\n')==-1){
code='['+code+']';
}
else{
code='[\n'+indent(code)+'\n]';
}
return function(i){
if(i === undefined) {
i = 0;
}
switch(i){
case -3:
return [_env, _gsym];
case -1:
return _ast;
case 0:
do_raise("invaild evaluate on Ast: "+code);
case 1:
return function(){
return code;
}
case 2:
return 'Ast';
}
}
}
var builtin_func=function(f, name, args, decay){
if(decay === undefined) {
decay = true;
}
return function(i){
if(i === undefined) {
i = 0;
}
switch(i){
case -2:
return args.length;
case -1:
return name;
case 0:
return function(_args, cont){
if(_args.length==args.length){
if(!decay){
return f.bind.apply(f, [null].concat(_args).concat([function(x){
return cont.bind(null,x);
}]));
}
else{
return map_cps.bind(null, function(x,cont){
return x().bind(null,null,cont);
},
_args,
function(x){
return f.bind.apply(f, [null].concat(x).concat([function(y){
return cont.bind(null,val_func(y));
}]));
});
}
}
else{
do_raise("call lambda<"+name+"> with unmatched arguments,\nexpect: "+argument_number(args.length)+" ("+
args.join(',')+'),\ngiven: '+
argument_number(_args.length)
);
}
};
case 1:
return function(cont){
return cont.bind(null, ('lambda<'+name+'('+args.join(', ')+')>'));
}
case 2:
return 'lambda_builtin';
}
}
}
var continuation_func=function(cont){
return function(i){
if(i === undefined) {
i = 0;
}
switch(i){
case -2:
return 1;
case -1:
do_raise("No explicit Ast of continuation function");
case 0:
return function(_args, _cont){
if(_args.length==1){
return cont.bind(null, _args[0]);
}
else{
do_raise('call lambda<<continuation>> with unmatched arguments,\nexpect: 1 argument (return_value),\ngiven: '+
argument_number(_args.length)
);
}
};
case 1:
return function(cont){
return cont.bind('lambda<<continuation>>');
}
case 2:
return 'lambda_continuation';
}
}
}
var func=function(_type, _name, _args, _body, _env, _gsym, _eval, _macro){
var decay=_args.length==1 &&
Object.keys(set(_args[0].filter(isString))).length==_args[0].length;
if(_macro === undefined) {
_macro = false;
}
return function(i){
if(i === undefined) {
i = 0;
}
switch(i){
case -2:
return _args[0].length;
case -1:
return (function(){
if(_args.length==1){
return [_type,_name,_args[0],_body[0]];
}
else{
var atom=_args[0].length==1;
var args=[], body=[];
for(var i in _args[0])
args.push('arg_'+i);
for(var i in _args)
body.push([atom?(function(x){ return isString(x)? ['~',x]:x; })(_args[i][0]):['()',_args[i].map(function(x){ return isString(x)? ['~',x]:x; })],_body[i]]);
body=['->',atom?args[0]:['()',args],['|',body]];
return [_type,_name,args,body];
}
})();
case 0:
return function(_args0, cont){
var atom=_args[0].length==1;
var err = function(){
if(_args.length==1){
do_raise("call "+(_macro?"macro":"lambda")+"<"+((_name) ? _name : 'unnamed')+"> with unmatched arguments,\nexpect: "+ argument_number(_args.length) +"("+
_args[0].map(function(x){ return AstToString(x).replace(/\n$/,''); }).join(',')+'),\ngiven: '+
argument_number(_args0.length)
);
}
else{
do_raise("call "+(_macro?"macro":"lambda")+"<"+((_name) ? _name : 'unnamed')+"> with unmatched arguments,\nexpect one of: "+
_args.map(function(x){return '('+x.map(function(y){ return AstToString(y).replace(/\n$/,''); }).join(',')+')'; }).join(', ')
);
}
}
var L = function(i,cont){
return _eval.bind(null,
atom?(function(x){ return isString(x)? ['~',x,-1]:x; })(_args[i][0]):['()',_args[i].map(function(x){ return isString(x)? ['~',x,-1]:x; })],
_env, _gsym,
function(args){
return unify.bind(null,atom?_args0[0]:val_func(_args0),args,function(u){
if(u[0]){
return _eval.bind(null, _body[i], merge_dict(u[1], _env), _gsym, cont);
}
else if(i+1<_args.length){
return L.bind(null,i+1,cont);
}
else{
err();
}
});
});
}
if(_args0.length==_args[0].length){
if(decay){
var _new_env={};
_args[0].forEach(function(item,index){
_new_env[item]=_args0[index];
});
var ret;
return _eval.bind(null, _body[0], merge_dict(_new_env, _env), _gsym, cont);
}
else{
return L.bind(null,0,cont);
}
}
else{
err();
}
};
case 1:
return function(cont){
if(_args.length==1){
return cont.bind(null, ((_macro?"macro":"lambda")+'<'+
(nonEmpty(_name) ? _name : 'unnamed')+
'('+_args[0].map(function(x){
return AstToString(x).replace(/\n$/,'');
}).join(', ')+')>'));
}
else{
var args=[];
for(var i in _args[0])
args.push('arg_'+i);
return cont.bind(null, ((_macro?"macro":"lambda")+'<'+(nonEmpty(_name) ? _name : 'unnamed')+'('+args.join(', ')+')>'));
}
}
case 2:
return (_macro?"macro":"lambda");
}
}
}
var delay_func=function(_body, _env, _gsym, _eval, value){
return function(i){
if(i === undefined) {
i = 0;
}
if(i==-1){
return _body;
}
else if(i==-2){
return (isArray(_body) && nonEmpty(_body) && _body[0]=='lambda') ? _body[2].length : undefined;
}
else if(i==3){
return 'delay_expr';
}
else{
if(typeof(value) == 'undefined'){
return function(){
var args=Array.prototype.slice.call(arguments);
return _eval.bind(null, _body, _env, _gsym, function(x){
value=x;
var r=x(i);
return r.bind.apply(r,[null].concat(Array.prototype.slice.call(args)));
});
}
}
else{
return value(i);
}
}
}
}
var val_func=function(_val){
return function(i){
if(i === undefined) {
i = 0;
}
switch(i){
case -1:
return (wapper(function(self,_v){
if(isFunction(_v)){
return _v(-1);
}
else if(isArray(_v)){
return ['()',_v.map(function(x){
return self(x);
})];
}
else if(_v==null){
return 'None';
}
return _v;
})(_val));
case 0:
return function(_args, cont){
return cont.bind(null,_val);
};
case 1:
return function(cont){
if(isFunction(_val)){
return _val(1).bind(null, cont);
}
else if(isArray(_val)){
return map_cps.bind(null, result_of, _val, function(v){
return cont.bind(null, '('+v.toString()+')');
});
}
else if(_val==null){
return cont.bind(null, 'None');
}
return cont.bind(null, _val.toString());
}
case 2:
return 'value';
}
}
}
var free_identifier_func=function(id){
return function(i){
if(i === undefined) {
i = 0;
}
switch(i){
case -1:
return ['~',id,1];
case 0:
return function(_args, cont){
return cont.bind(null,null);
};
case 1:
return (function(cont){ return cont.bind(null, 'None'); });
case 2:
return 'free_identifier';
case 3:
return id;
}
}
}
var func_combinator=function(x, y, op, op_ch){
var getFunc=function(v){
if(v(2)=='lambda_continuation'){
return ['lambda','continuation',['retValue']];
}
if(v(2)=='lambda_builtin'){
return builtin_func_signature(v(-1));
}
else{
return v(-1);
}
};
var fx=getFunc(x);
var fy=getFunc(y);
var args_length=0;
if(x(2)!='value'&&y(2)!='value'){
if(fx[2].length!=fy[2].length){
do_raise("combine lambda<"+((fx[1]) ? fx[1] : 'unnamed')+"> with lambda<"+((fy[1]) ? fy[1] : 'unnamed')+"> unmatched arguments,\n arguments of "+
"lambda<"+((fx[1]) ? fx[1] : 'unnamed')+">: ("+fx[2].join(',')+"),\n arguments of "+
"lambda<"+((fy[1]) ? fy[1] : 'unnamed')+">: ("+fy[2].join(',')+")"
);
}
args_length=fx[2].length;
}
return function(i){
if(i === undefined) {
i = 0;
}
switch(i){
case -2:
return args_length;
case -1:
return (function(){
var n,m=0;
var args=[];
var fx_name='',fy_name='';
var call_x,call_y;
if(x(2)!='value'){
n=fx[2].length;
fx_name=fx[1];
}
if(y(2)!='value'){
n=fy[2].length;
fy_name=fy[1];
}
for (var i = 0; i<n; i++) {
while(('arg_'+m)==fx_name||('arg_'+m)==fy_name){
m++;
}
args.push('arg_'+m);
m++;
}
if(x(2)!='value') call_x=['<-',x(-1),['()',args]];
else call_x=x(-1);
if(y(2)!='value') call_y=['<-',y(-1),['()',args]];
else call_y=y(-1);
return ['lambda','',args,[op_ch,call_x,call_y]];
})();
case 0:
return function(_args, cont){
return x().bind(null,_args, function(x){
return y().bind(null,_args, function(y){
return op.bind(null,x,y,cont);
});
});
};
case 1:
return function(cont){
return result_of.bind(null, x, function(v1){
result_of.bind(null, y, function(v2){
return cont.bind(null, 'lambda<'+v1+op_ch+v2+'>');
});
});
}
case 2:
return 'lambda_combinator';
}
}
}
var curry_func=function(f){
if(!isFunction(f) || f(2)=='Ast' || f(2)=='free_identifier'){
do_raise("currying a not callable object ");
}
else if(f(2)=='lambda_continuation'){
return f;
}
else if(f(-2)==1){
return f;
}
var args_length=f(-2);
return wapper(function(self,i,args,index){
if(args === undefined) {
args = [];
}
if(index === undefined) {
index = 0;
}
if(i === undefined) {
i = 0;
}
switch(i){
case -2:
return 1;
case -1:
return ((function(){
var L=function(i){
if(i+1<args_length){
return ['lambda','',['arg_'+i],L(i+1)];
}
else{
var _args=[];
for (var _i = index; _i < args_length; ++_i) {
_args.push('arg_'+i);
}
return ['lambda','',['arg_'+i],['<-',f(-1),['()',args.map(function(x){ return x(-1); }).concat(_args)]]];
}
}
return L(index);
})());
case 0:
return function(_args, cont){
if(_args.length==1 && index+1<args_length){
return cont.bind(null, val_func(function(i){
return self(i,args.concat([_args[0]]),index+1);
}));
}
else if(_args.length==1 && index+1==args_length){
return f().bind(null,args.concat([_args[0]]),cont);
}
else{
do_raise('call currying '+f(1)()+' with unmatched arguments,\n expect: 1 argument (arg_'+index+'), given: '+
argument_number(_args.length)
);
}
};
case 1:
return (function(cont){ return f(1).bind(null, function(v){return cont.bind(null, 'currying '+v);}); });
case 2:
return 'lambda_curry';
}
});
}
var op_args=function(f){
return function(x){
if(isFunction(x)&&x(2)=='free_identifier')
return f.bind(null,null);
else if(isFunction(x)&&x(2)=='Ast')
do_raise("invaild evaluate on Ast: "+x(1)());
else
return f.bind(null,x);
}
}
var op_gen=function(op, op_ch){
return wapper(function(self,x,y,cont){
return x().bind(null,null,op_args(function(a){
return y().bind(null,null,op_args(function(b){
if(!isFunction(a)&&!isFunction(b)){
return op.bind(null,a,b,function(x){
return cont.bind(null,val_func(x));
});
}
else{
return cont.bind(null,val_func(func_combinator((isFunction(a)?a:val_func(x)),(isFunction(b)?b:val_func(y)),self,op_ch)));
}
}));
}));
});
}
var op_check=function(f){
return function(x,y,cont){
if(!isArray(x)&&!isArray(y)){
return f.bind(null,x,y,cont);
}
else{
do_raise("invaild operatation on vector");
}
};
}
var combinator=function(_sym){
return {
'<-':function(x,y,cont){
return x().bind(null,null,function(f){
if(isFunction(f) && f(2)!='value'){
return y().bind(null,null,function(_args){
return f().bind(null,_args,cont);
});
}
else{
return result_of.bind(null, x, function(v){
do_raise("calling a not callable object "+v);
});
}
});
},
'<=':op_gen(op_check(function(a,b,cont){return cont.bind(null,a<=b);}),'<='),
'>=':op_gen(op_check(function(a,b,cont){return cont.bind(null,a>=b);}),'>='),
'<':op_gen(op_check(function(a,b,cont){return cont.bind(null,a<b);}),'<'),
'>':op_gen(op_check(function(a,b,cont){return cont.bind(null,a>b);}),'>'),
'!=':op_gen(op_check(function(a,b,cont){return cont.bind(null,a!=b);}),'!='),
'=':op_gen(op_check(function(a,b,cont){return cont.bind(null,a==b);}),'='),
'+':op_gen(function(a,b,cont){
if(!isArray(a)&&!isArray(b)){
return cont.bind(null,a+b);
}
else{
var x=isArray(a) ? a : [val_func(a)];
var y=isArray(b) ? b : [val_func(b)];
return cont.bind(null,x.concat(y));
}
},'+'),
'-':op_gen(function(a,b,cont){
if(!isArray(a)&&!isArray(b)){
return cont.bind(null,a-b);
}
else if(isArray(a)&&!isArray(b)){
return cont.bind(null,a.slice(0,-1));
}
else if(!isArray(a)&&isArray(b)){
return cont.bind(null,b.slice(1));
}
else if(isArray(a)&&isArray(b)){
if(a.length<=b.length){
return cont.bind(null,[]);
}
else{
return cont.bind(null,a.slice(0,-b.length));
}
}
},'-'),
'*':op_gen(op_check(function(a,b,cont){return cont.bind(null,a*b);}),'*'),
'/':op_gen(op_check(function(a,b,cont){return cont.bind(null,a/b);}),'/'),
'%':op_gen(op_check(function(a,b,cont){return cont.bind(null,a%b);}),'%'),
'^':op_gen(op_check(function(a,b,cont){return cont.bind(null,Math.pow(a,b));}),'^'),
'_':op_gen(function(a,b,cont){
if(isArray(a)&&!isArray(b)){
if(Number.isInteger(b)){
if(b<=a.length&&b>0){
return a[b-1]().bind(null,null,function(r){
return cont.bind(null,r);
});
}
else{
do_raise("index of vector out of range");
}
}
else{
do_raise("invaild index of vector");
}
}
else{
do_raise("invaild operatation on vector");
}
},'_'),
'!':op_gen(op_check(function(a,b,cont){
var i=(b==null)?0:b;
if(b<0){
return cont.bind(null,0);
}
else{
var ret=1;
var x=a;
while(x>b){
ret*=x--;
}
return cont.bind(null,ret);
}
}),'!'),
}[_sym];
}
var unify=function(n,m,cont){
var valE={};
var equivalent_value=function(val,cont,fail){
var visited_flag={};
var ev_impl=function(v,cont){
if(isFunction(v) && v(2)=='free_identifier'){
v=v(3);
}
if(v in visited_flag){
return fail;
}
visited_flag[v]=true;
var x=v;
while(x in valE){
x=valE[x];
}
if(isArray(x) && nonEmpty(x) && x[0]=='Ast'){
delete visited_flag[v];
return cont.bind(null,ast_func(x[1]));
}
else if(isArray(x)){
return map_cps.bind(null,function(x0,cont){
return x0().bind(null,null,function(x1){
return ev_impl.bind(null,x1,function(x2){
return cont.bind(null,val_func(x2));
});
});
},
x,
function(x){
delete visited_flag[v];
return cont.bind(null,x);
});
}
else if(isString(x)){
delete visited_flag[v];
valE[x]=null;
return cont.bind(null,null);
}
else{
delete visited_flag[v];
return cont.bind(null,x);
}
}
return ev_impl.bind(null,val,cont);
}
var unify_impl=function(_n,_m,cont){
var Alpha=function(x,y,u){
if(u === undefined) {
u = false;
}
var alpha_impl=function(x,y,rename,last_rename,match){
if(u){
var ex=x,ey=y;
if(isArray(x) && x.length==3 && x[0]=='~' && x[2]>0){
ex=isString(x[1])?'~'+x[1]:'~';
while(ex in valE) ex=valE[x];
}
if(isArray(y) && y.length==3 && y[0]=='~' && y[2]>0){
ey=isString(y[1])?'~'+y[1]:'~';
while(ey in valE) ey=valE[y];
}
if(ex=='~' || ey=='~' || (isString(ex) && nonEmpty(ex) && ex[0]=='~' && ex==ey)){
return true;
}
else if(isString(ex) && nonEmpty(ex) && ex[0]=='~'){
if(isString(ey) && nonEmpty(ey) && ey[0]=='~'){
valE[ex]=ey;
}
else{
valE[ex]=ast_func(ey);
}
return true;
}
else if(isString(ey) && nonEmpty(ey) && ey[0]=='~'){
valE[ey]=ast_func(ex);
return true;
}
else if(isArray(ex) && nonEmpty(ex) && ex[0]=='Ast'){
ex=ex[1];
}
else if(isArray(ey) && nonEmpty(ey) && ey[0]=='Ast'){
ey=ey[1];
}
x=ex; y=ey;
}
if(isArray(x) && isArray(y)){
if(nonEmpty(x) && nonEmpty(y) && x[0]==y[0]){
if(x[0] in set(['<-','!=','<=','>=','<','>','=','+','-','*','/','^','!','_'])){
return alpha_impl(x[1],y[1],rename,last_rename,false) && alpha_impl(x[2],y[2],rename,last_rename,false);
}
else if(x[0]=='()'){
if(x[1].length==y[1].length){
for(var i in x[1]){
if(!alpha_impl(x[1][i],y[1][i],rename,last_rename,match))
return false;
}
return true;
}
else if(u && x[1].length==y[1].length+1 && x[1][x[1].length-1][0]=='~' && x[1][x[1].length-1][2]==2){
if(alpha_impl(x[1][x[1].length-1],['()',[]],rename,last_rename,match)){
for(var i in y[1]){
if(!alpha_impl(x[1][i],y[1][i],rename,last_rename,match))
return false;
}
return true;
}
else{
return false;
}
}
else if(u && y[1].length==x[1].length+1 && y[1][y[1].length-1][0]=='~' && y[1][y[1].length-1][2]==2){
if(alpha_impl(['()',[]],y[1][y[1].length-1],rename,last_rename,match)){
for(var i in x[1]){
if(!alpha_impl(x[1][i],y[1][i],rename,last_rename,match))
return false;
}
return true;
}
else{
return false;
}
}
else if(u && nonEmpty(y[1]) && x[1].length>y[1].length){
var last=y[1][y[1].length-1];
if(isArray(last) && nonEmpty(last) && last[0]=='~' && last[2]==2 &&
alpha_impl(['()',x[1].slice(y[1].length-1,x[1].length)],last,rename,last_rename,match)){
for(var i=0; i<y[1].length-1; ++i){
if(!alpha_impl(x[1][i],y[1][i],rename,last_rename,match))
return false;
}
return true;
}
else{
return false;
}
}
else if(u && nonEmpty(x[1]) && x[1].length<y[1].length){
var last=x[1][x[1].length-1];
if(isArray(last) && nonEmpty(last) && last[0]=='~' && last[2]==2 &&
alpha_impl(last,['()',y[1].slice(x[1].length-1,y[1].length)],rename,last_rename,match)){
for(var i=0; i<x[1].length-1; ++i){
if(!alpha_impl(x[1][i],y[1][i],rename,last_rename,match))
return false;
}
return true;
}
else{
return false;
}
}
else{
return false;
}
}
else if(x[0] in set(['#','\\()\\','\\{}\\','delay','callcc','eval','curry'])){
return alpha_impl(x[1],y[1],rename,last_rename,match);
}
else if(x[0]=='[]'){
return alpha_impl(x[1],y[1],[{},{}],rename,match);
}
else if(x[0] in set(['\\()\\','\\{}\\'])){
return alpha_impl(x[1],y[1],last_rename,[{},{}],match);
}
else if(x[0]=='->'){
if(isArray(x[2]) && isArray(y[2])){
if(nonEmpty(x[2]) && nonEmpty(y[2]) && x[2][0]==y[2][0] && x[2][0]=='|'){
return alpha_impl(x[1],y[1],rename,last_rename,match) && alpha_impl(x[2],y[2],rename,last_rename,true);
}
}
return alpha_impl(x[1],y[1],rename,last_rename,match) && alpha_impl(x[2],y[2],rename,last_rename,match);
}
else if(x[0]=='~'){
if(match){
if(x[1]==y[1]){
return true;
}
else if(x[1]!=y[1] && !(x[1] in rename[0]) && !(y[1] in rename[1])){
rename[0][y[1]]=x[1];
rename[1][x[1]]=y[1];
return true;
}
else{
return false;
}
}
else{
return alpha_impl(x[1],y[1],rename,last_rename,match);
}
}
else if(x[0]=='|'){
if(x[1].length==y[1].length){
for(var i in x[1]){
if(match){
var n=[{},{}];
for (var key in rename[0]) {
n[0][key]=rename[0][key];
}
for (var key in rename[1]) {
n[1][key]=rename[1][key];
}
if(!(alpha_impl(x[1][i][0],y[1][i][0],n,last_rename,match)&&alpha_impl(x[1][i][1],y[1][i][1],n,last_rename,false)))
return false;
}
else{
if(!(alpha_impl(x[1][i][0],y[1][i][0],rename,last_rename,match)&&alpha_impl(x[1][i][1],y[1][i][1],rename,last_rename,false)))
return false;
}
}
return true;
}
else{
return false;
}
}
else if(x[0]=='None'){
return true;
}
else if(x[0]=='lambda'){
var alpha_function=function(x,y){
var n=[{},{}];
for (var key in rename[0]) {
n[0][key]=rename[0][key];
}
for (var key in rename[1]) {
n[1][key]=rename[1][key];
}
for (var i in y[2]){
if(isString(y[2][i]) && isString(x[2][i]) && y[2][i]!=x[2][i]){
n[0][y[2][i]]=x[2][i];
n[1][x[2][i]]=y[2][i];
}
else if(isArray(y[2][i]) && isArray(x[2][i]) && y[2][i][0]==x[2][i][0] && y[2][i][0] in set(['[]','()'])){
if(!alpha_impl(x[2][i],y[2][i],n,last_rename,true)){
return false;
}
}
}
alpha_impl(x[1],y[1],[{},{}],last_rename,match);
for (var i in y[2]){
if(!alpha_impl(x[2][i],y[2][i],n,last_rename,match)){
return false;
}
}
return alpha_impl(x[3],y[3],n,last_rename,match);
}
if(x[2].length==y[2].length){
return alpha_function(x,y);
}
else if(u && x[2].length==y[2].length+1 && x[2][x[2].length-1][0]=='~' && x[2][x[2].length-1][2]==2){
if(alpha_impl(x[2][x[2].length-1,['()',[]]],rename,last_rename,match)){
return alpha_function([x[0],x[1],x[2].slice(0,-1),x[3]],y);
}
else{
return false;
}
}
else if(u && y[2].length==x[2].length+1 && y[2][y[2].length-1][0]=='~' && y[2][y[2].length-1][2]==2){
if(alpha_impl(['()',[]],y[2][y[2].length-1],rename,last_rename,match)){
return alpha_function(x,[y[0],y[1],y[2].slice(0,-1),y[3]]);
}
else{
return false;
}
alpha_impl(x[1],y[1],[{},{}],last_rename,match);
alpha_impl(['()',[]],y[2][0],rename,last_rename,match)
return alpha_impl(x[3],y[3],rename,last_rename,match);
}
else if(u && nonEmpty(y[2]) && x[2].length>y[2].length){
var last=y[2][y[2].length-1];
if(isArray(last) && nonEmpty(last) && last[0]=='~' && last[2]==2 &&
alpha_impl(['()',x[2].slice(y[2].length-1,x[2].length)],last,rename,last_rename,match)){
return alpha_function([x[0],x[1],x[2].slice(0,y[2].length-1),x[3]],[y[0],y[1],y[2].slice(0,-1),y[3]]);
}
else{
return false;
}
}
else if(u && nonEmpty(x[2]) && x[2].length<y[2].length){
var last=x[2][x[2].length-1];
if(isArray(last) && nonEmpty(last) && last[0]=='~' && last[2]==2 &&
alpha_impl(['()',y[2].slice(x[2].length-1,y[2].length)],last,rename,last_rename,match)){
return alpha_function([x[0],x[1],x[2].slice(0,-1),x[3]],[y[0],y[1],y[2].slice(0,x[2].length-1),y[3]]);
}
else{
return false;
}
}
else{
return false;
}
}
else if(x[0] in set(['def','def_const','def!','def!_const'])){
return false;
}
}
else if(isEmpty(x) && isEmpty(y)){
return true;
}
else{
return false;
}
}
else if(!isArray(x) && !isArray(y)){
if((y in rename[0])){
y=rename[0][y];
}
else if(!(y in rename[0]) && (y in rename[1])){
return false;
}
return x===y;
}
else{
return false;
}
}
return alpha_impl(x,y,[{},{}],[{},{}],false);
}
var U=function(x,y,cont){
while(x in valE) x=valE[x];
while(y in valE) y=valE[y];
if(x==y){
return cont.bind(null,true);
}
else if(isArray(x) && isArray(y)){
if(nonEmpty(x) && x[0]=='Ast' && nonEmpty(y) && y[0]=='Ast'){
return cont.bind(null,Alpha(x[1],y[1],true));
}
else if((nonEmpty(x) && x[0]=='Ast') || (nonEmpty(y) && y[0]=='Ast')){
return cont.bind(null,false);
}
else{
if(x.length!=y.length){
return cont.bind(null,false);
}
else{
var L=function(i,cont){
if(i<x.length){
return unify_impl.bind(null,x[i],y[i],function(v){
if(v){
return L.bind(null,i+1,cont);
}
else{
return cont.bind(null,false);
}
});
}
else{
return cont.bind(null,true);
}
}
return L.bind(null,0,cont);
}
}
}
else if(isFunction(x) && isFunction(y) &&
x(2)!='lambda_continuation' && x(2)!='lambda_continuation'){
return cont.bind(null,Alpha(x(-1),y(-1)));
}
else if(isString(x)){
valE[x]=y;
return cont.bind(null,true);
}
else if(isString(y)){
valE[y]=x;
return cont.bind(null,true);
}
else if((isBoolean(x)||isBoolean(y)) && toBoolean(x)==toBoolean(y)){
return cont.bind(null,true);
}
else{
return cont.bind(null,false);
}
}
if((_n(3)=='delay_expr' && _m(3)!='delay_expr') ||
(_n(3)!='delay_expr' && _m(3)=='delay_expr')){
if(_m(3)=='delay_expr'){
var _t=_n;_n=_m;_m=_t;
}
return _m().bind(null,null,function(vy){
if(isFunction(vy) && vy(2)=='free_identifier'){
valE['~'+vy(3)]=_n;
return cont.bind(null,true);
}
else if(isFunction(vy) && vy(2)=='Ast'){
vy=['Ast',vy(-1)];
}
return _n().bind(null,null,function(vx){
if(isFunction(vx) && vx(2) in set(['free_identifier','Ast'])){
vx=vx(2)=='Ast'?['Ast',vx(-1)]:'~'+vx(3);
}
return U.bind(null,vx,vy,cont);
});
});
}
else{
return _n().bind(null,null,function(vx){
return _m().bind(null,null,function(vy){
if(isFunction(vx) && vx(2) in set(['free_identifier','Ast'])){
vx=vx(2)=='Ast'?['Ast',vx(-1)]:'~'+vx(3);
}
if(isFunction(vy) && vy(2) in set(['free_identifier','Ast'])){
vy=vy(2)=='Ast'?['Ast',vy(-1)]:'~'+vy(3);
}
return U.bind(null,vx,vy,cont);
});
});
}
}
return unify_impl.bind(null,n,m,function(r){
if(r){
var nv={};
var keys=Object.keys(valE);
var L=function(i,cont0){
if(i<keys.length){
return equivalent_value.bind(null,valE[keys[i]],function(x){
nv[keys[i].replace(/^~/,'')]=isFunction(x)&&x(3)=='delay_expr'?x:val_func(x);
return L.bind(null,i+1,cont0);
},function(){
return cont.bind(null,[false,{}]);
});
}
else{
return cont0.bind(null);
}
}
return L.bind(null,0,function(){
return cont.bind(null,[r,nv]);
});
}
else{
return cont.bind(null,[false,{}]);
}
});
}
var evaluate_ast_expr=function(_t, _eval, _env, _gsym, cont){
if(isArray(_t)){
if(nonEmpty(_t)){
if(_t[0] in set(['->','!=','<=','>=','<','>','=','+','-','*','/','%','^','!','<-','_'])){
return evaluate_ast_expr.bind(null,_t[1], _eval, _env, _gsym, function(x){
return evaluate_ast_expr.bind(null,_t[2], _eval, _env, _gsym, function(y){
return cont.bind(null,[_t[0],x,y]);
});
});
}
else if(_t[0]=='\\()\\'){
return _eval.bind(null,_t[1], _env, _gsym, function(x){
var r=x(-1);
if(isArray(r) && nonEmpty(r) && r[0]=='()'){
r.push(true);
}
else if(isArray(r) && nonEmpty(r) && r[0]=='~'){
r[2]=2;
}
return cont.bind(null,r);
});
}
else if(_t[0]=='\\{}\\'){
return _eval.bind(null,_t[1], _env, _gsym, function(x){
return cont.bind(null,x(-1));
});
}
else if(_t[0]=='()'){
return map_cps.bind(null,function(x,cont){
return evaluate_ast_expr.bind(null,x, _eval, _env, _gsym, cont);
},
_t[1],
function(x){
var ret=[];
x.forEach(function(item,index){
if(isArray(item) && item.length==3 && item[0]=='()' && item[2]){
ret=ret.concat(item[1]);
}
else{
ret.push(item);
}
});
return cont.bind(null,['()',ret]);
});
}
else if(_t[0]=='[]'){
return cont.bind(null,_t);
}
else if(_t[0]=='#'){
return cont.bind(null,_t);
}
else if(_t[0]=='~'){
return evaluate_ast_expr.bind(null, _t[1], _eval, _env, _gsym, function(x){
if(isString(x) || x==null ||
(isArray(x)&&nonEmpty(x)&&x[0]=='#')){
return cont.bind(null,['~',x]);
}
else{
do_raise("expect identifier, given: "+AstToString(x).replace(/\n$/,''));
}
});
}
else if(_t[0] in set(['delay','callcc','eval','curry'])){
return evaluate_ast_expr.bind(null,_t[1], _eval, _env, _gsym, function(x){
return cont.bind(null,[_t[0],x]);
});
}
else if(_t[0]=='|'){
return map_cps.bind(null,function(x,cont){
return evaluate_ast_expr.bind(null, x[0], _eval, _env, _gsym, function(y){
return evaluate_ast_expr.bind(null, x[1], _eval, _env, _gsym, function(z){
return cont.bind(null,[y,z]);
});
});
},
_t[1],
function(x){
return cont.bind(null,['|',x]);
});
}
else if(_t[0]=='None'){
return cont.bind(null,_t);
}
else if(_t[0]=='lambda'){
var err=function(t,msg){
var errcode=AstToString(t).replace(/\n$/,'');
errcode=errcode.indexOf('\n')==-1?errcode:'\n'+indent(errcode);
do_raise(msg+errcode);
}
return evaluate_ast_expr.bind(null, _t[1], _eval, _env, _gsym, function(y){
if(!(isString(y)||(isArray(y) && (y[0]=='~' || y[0]=='#')))) err(y,"invaild function name: ");
if(_t[2].length==1 && _t[2][0][0]=='\\()\\'){
return evaluate_ast_expr.bind(null, _t[2][0], _eval, _env, _gsym, function(z){
if(isArray(z) && z[0]=='()'){
z[1].forEach(function(item,index){
if(!(isString(item)||(isArray(item) && (item[0] in set (['#','~','lambda','[]','()'])))||
isNumber(item) || item==null)){
err(_t[2][0],"invaild function argument: ");
}
});
z=z[1];
return evaluate_ast_expr.bind(null, _t[3], _eval, _env, _gsym, function(v){
return cont.bind(null,['lambda',y,z,v]);
});
}
else if((isString(z) && z=='None') || z==null || (isArray(z) && z[0]=='None')){
return evaluate_ast_expr.bind(null, _t[3], _eval, _env, _gsym, function(v){
return cont.bind(null,['lambda',y,[],v]);
});
}
else if(isString(z)||(isArray(z) && (z[0] in set (['#','~','lambda','[]','()'])))||
isNumber(z) || z==null){
z=[z];
return evaluate_ast_expr.bind(null, _t[3], _eval, _env, _gsym, function(v){
return cont.bind(null,['lambda',y,z,v]);
});
}
else{
err(_t[2][0][1],"invaild function argument: ");
}
});
}
else{
return map_cps.bind(null,function(x,cont){
return evaluate_ast_expr.bind(null, x, _eval, _env, _gsym, function(x0){
if(!isString(x0) &&
!(isNumber(x0) || x0==null) &&
!(isArray(x0) && nonEmpty(x0) && x0[0] in set (['#','~','lambda','[]','()'])) &&
!(isArray(x0) && x0.length==3 && x0[0]=='()' && x0[2]))
err(x0,"invaild function argument: ");
return cont.bind(null,x0);
});
},
_t[2],
function(z){
var args=[];
z.forEach(function(item,index){
if(isArray(item) && item.length==3 && item[0]=='()' && item[2]){
item[1].forEach(function(item0,index0){
if(!isString(item0) &&
!(isArray(item0) && nonEmpty(item0) && item0[0] in set (['#','~','lambda','[]','()'])) &&
!(isNumber(item) || item==null)){
err(item0,"invaild function argument: ");
}
});
args=args.concat(item[1]);
}
else{
args.push(item);
}
});
return evaluate_ast_expr.bind(null, _t[3], _eval, _env, _gsym, function(v){
return cont.bind(null,['lambda',y,args,v]);
});
});
}
});
}
}
else{
return cont.bind(null,null);
}
}
else{
return cont.bind(null,_t);
}
}
var evaluate_match_expr=function(_t, _eval, _env, _gsym, cont){
return _eval.bind(null,_t[1], _env, _gsym, function(value){
if(isArray(_t[2]) && isEmpty(_t[2])){
return cont.bind(null,val_func(null));
}
else{
if(isArray(_t[2]) && nonEmpty(_t[2]) && _t[2][0]=='|'){
var match_expr_impl=(function(_expr, _eval, _env, _gsym, cont){
if(isEmpty(_expr)){
return cont.bind(null,val_func(null));
}
else if(_expr.length==1){
if(_expr[0][0]==null){
return _eval.bind(null,_expr[0][1], _env, _gsym, function(x){
return x().bind(null,null,function(y){
return cont.bind(null,val_func(y));
});
});
}
else{
return _eval.bind(null,_expr[0][0], _env, _gsym, function(x){
return unify.bind(null, value, x, function(u){
if(u[0]){
var e=u[1];
merge_dict(e, _env);
return _eval.bind(null, _expr[0][1], e, _gsym, function(y){
return y().bind(null,null,function(z){
return cont.bind(null,val_func(z));
});
});
}
else{
return cont.bind(null,val_func(null));
}
});
});
}
}
else{
return _eval.bind(null, _expr[0][0], _env, _gsym, function(x){
return unify.bind(null, value, x, function(u){
if(u[0]){
var e=u[1];
merge_dict(e, _env);
return _eval.bind(null,_expr[0][1], e, _gsym, function(y){
return y().bind(null,null,function(z){
return cont.bind(null,val_func(z));
});
});
}
else{
return match_expr_impl.bind(null,_expr.slice(1),_eval,_env,_gsym,cont);
}
});
});
}
});
return match_expr_impl.bind(null,_t[2][1],_eval,_env,_gsym,cont);
}
else{
return _eval.bind(null, _t[2], _env, _gsym, cont);
}
}
});
}
var evaluate=function(_t, _env, _gsym, cont){
if(isArray(_t)){
if(nonEmpty(_t)){
if(_t[0] in set(['!=','<=','>=','<','>','=','+','-','*','/','%','^','!','<-','_'])){
return evaluate.bind(null,_t[1], _env, _gsym, function(x){
return evaluate.bind(null,_t[2], _env, _gsym, function(y){
return combinator(_t[0]).bind(null,x,y,cont);
});
});
}
else if(_t[0]=='()'){
return map_cps.bind(null,function(x,cont){
return evaluate.bind(null,x,_env,_gsym,cont);
},
_t[1],
function(x){
return cont.bind(null,val_func(x));
});
}
else if(_t[0]=='[]'){
return evaluate_ast_expr.bind(null,_t[1], evaluate, _env, _gsym, function(x){
return cont.bind(null,val_func(ast_func(x, _env, _gsym)));
});
}
else if(_t[0]=='|'){
return evaluate.bind(null,['->',true,_t], _env, _gsym, cont);
}
else if(_t[0]=='->'){
return evaluate_match_expr.bind(null,_t, evaluate, _env, _gsym, cont);
}
else if(_t[0]=='~'){
if(isString(_t[1]) && (_t[1] in _env || _t[1] in _gsym) && _t[2]!=-1){
return cont.bind(null,environment(_env, _gsym)(_t[1]));
}
else{
return cont.bind(null,val_func(free_identifier_func(_t[1])));
}
}
else if(_t[0]=='#'){
if(_t.length==5){
return cont.bind(null,environment(_t[3], _t[4])(_t[1]));
}
else{
return cont.bind(null,environment(_env, _gsym)(_t[1]));
}
}
else if(_t[0]=='None'){
return cont.bind(null,val_func(null));
}
else if(_t[0]=='lambda'){
return cont.bind(null,val_func(func(
_t[0],
isArray(_t[1]) && _t[1][0]=='~' ?
_t[1][1] :
isString(_t[1]) ? _t[1] :
do_raise("invaild function name: "+AstToString(_t[1]).replace(/\n$/,'')),
[_t[2].map(function(arg){
return (isArray(arg) && arg[0]=='~' ?
arg[1] :
isNumber(arg) || arg==null || isString(arg) && nonEmpty(arg) ? arg :
isArray(arg) && nonEmpty(arg) && arg[0] in set (['#','~','lambda','[]','()']) ? arg :
do_raise("invaild function argument: "+AstToString(arg).replace(/\n$/,'')));
})],
[_t[3]],
_env, _gsym, evaluate)));
}
else if(_t[0]=='delay'){
return cont.bind(null,delay_func(_t[1], _env, _gsym, evaluate));
}
else if(_t[0]=='callcc'){
return evaluate.bind(null,_t[1], _env, _gsym, function(f){
return f().bind(null,null,function(func){
if(isFunction(func) && func(2)!='value'){
return func().bind(null,[val_func(continuation_func(cont))],cont);
}
else{
return result_of.bind(null, f, function(v){
do_raise("calling a not callable object "+v);
});
}
});
});
}
else if(_t[0]=='eval'){
return evaluate.bind(null, _t[1], _env, _gsym, function(x){
return x().bind(null,null,function(v){
if(v(2)!='Ast'){
return cont.bind(null,x);
}
else{
return evaluate.bind(null, v(-1), _env, _gsym, function(v0){
return cont.bind(null,v0);
});
}
});
});
}
else if(_t[0]=='curry'){
return evaluate.bind(null,_t[1], _env, _gsym, function(x){
return x().bind(null,null,function(v){
return cont.bind(null,val_func(curry_func(v)));
});
});
}
else if(_t[0] in set(['def','def_const','def!','def!_const'])){
do_raise("invaild evaluate on macro <"+_t[1]+">");
}
}
else{
return cont.bind(null,val_func(null));
}
}
else{
if(!isNaN(_t)){
return cont.bind(null,val_func(_t));
}
else if(isString(_t)){
return cont.bind(null,environment(_env, _gsym)(_t));
}
else{
return cont.bind(null,val_func(null));
}
}
}
var indent=function(code){
return code.replace(/\n(?!$)/g,'\n\t').replace(/^(?!\n)/g,'\t');
}
var AstToString=function(Ast){
var remove_parentheses=function(str){
var pStack=[], pPair=[];
var lflag=true,rflag=true;
var remove_set={};
var ret='';
for(var i in str){
if(str[i]=='('){
if(nonEmpty(pStack)){
pStack[pStack.length-1][1]=lflag;
}
pStack.push([i,false]);
lflag=true; rflag=false;
}
if(str[i]==')'){
var p=pStack.pop();
if(p[1]&&rflag){
pPair.push([p[0],i]);
}
rflag=true; lflag=false;
}
if(!(str[i] in set ([' ','\n','(',')']))){
lflag=false; rflag=false;
}
}
for(var i in pPair){
remove_set[pPair[i][0]]=true;
remove_set[pPair[i][1]]=true;
}
for(var i in str){
if(!(i in remove_set)){
ret+=str[i];
}
}
return ret;
}
var AstToString_impl=function(_t){
if(isArray(_t)){
if(nonEmpty(_t)){
if(_t[0] in set(['!=','<=','>=','<','>','=','+','-','*','/','!'])){
return '('+AstToString_impl(_t[1])+_t[0]+AstToString_impl(_t[2])+')';
}
if(_t[0] in set(['^','_'])){
return AstToString_impl(_t[1])+_t[0]+'{'+AstToString_impl(_t[2])+'}';
}
else if(_t[0]=='<-'){
var f=AstToString_impl(_t[1]);
var p=f.match(/(\-\>|[<>=]{2}|\!\=|_(?=\s|\{|\()|[\>\<\=\+\-\*\/\(\)\^\!\:\,\n\|\t\{\}\[\]\ ])/g);
return (p?'(':'')+f+(p?')':'')+AstToString_impl(_t[2]).replace(/^{/g,'(').replace(/}$/g,')');
}
else if(_t[0]=='->'){
var s1=AstToString_impl(_t[1]);
var s2=AstToString_impl(_t[2]);
if(s2.indexOf('\n')==-1 && s2.length<48)
return '('+s1+_t[0]+s2+')';
else
return '('+s1+_t[0]+indent(s2)+')';
}
else if(_t[0]=='()'){
var LB=_t[1].length>1?'(':'{';
var RB=_t[1].length>1?')':'}';
var ret=LB+(_t[1].map(function(x){
return AstToString_impl(x);
})).join(',')+RB;
if(ret.indexOf('\n')==-1 || ret.length<48){
return ret;
}
else{
return LB+'\n'+indent((_t[1].map(function(x){
return AstToString_impl(x);
})).join(',\n'))+'\n'+RB;
}
}
else if(_t[0]=='[]'){
var LB='[';
var RB=']';
var code=AstToString_impl(_t[1]);
var ret=LB+code+RB;
if(ret.indexOf('\n')==-1 || ret.length<48){
return ret;
}
else{
return LB+'\n'+indent(code)+'\n'+RB;
}
}
else if(_t[0] in set(['\\()\\','\\{}\\'])){
var LB=_t[0].slice(0,2);
var RB=_t[0].slice(2);
var code=AstToString_impl(_t[1]);
var ret=LB+code+RB;
if(ret.indexOf('\n')==-1 || ret.length<48){
return ret;
}
else{
return LB+'\n'+indent(code)+'\n'+RB;
}
}
else if(_t[0]=='#'){
//return _t[1]+':'+_t[2];
return _t[1];
}
else if(_t[0]=='~'){
return '~'+AstToString_impl(_t[1]);
}
else if(_t[0]=='|'){
var temp='\n';
for (var i in _t[1]){
var cond=AstToString_impl(_t[1][i][0]);
var expr=AstToString_impl(_t[1][i][1]);
if(nonEmpty(expr) && expr[0]=='(' && expr[expr.length-1]==')')
expr=expr.slice(1,-1);
if(expr.indexOf('\n')==-1){
temp+='| '+cond+': ('+expr+')\n';
}
else{
temp+='| '+cond+': ('+indent(expr)+')\n';
}
}
return temp;
}
else if(_t[0]=='None'){
return 'None';
}
else if(_t[0]=='lambda' || _t[0] in set(['def','def_const','def!','def!_const'])){
var type=_t[0].replace(/_const$/,'');
var temp='';
var body=AstToString_impl(_t[3]);
var indent_body=(body.indexOf('|')!=-1 || body.indexOf(type)!=-1) || body.length>24;
temp+='('+type+':';
if(_t[1]==''){
temp+=_t[2].map(function(x){ return AstToString_impl(x); }).join(',').replace(/(\\\([\S\s]*?\)\\|\\\{[\S\s]*?\}\\)|~/g,'$1');
temp+='->';
}
else{
var func=AstToString_impl(_t[1]);
var args=_t[2].map(function(x){ return AstToString_impl(x); }).join(',').replace(/(\\\([\S\s]*?\)\\|\\\{[\S\s]*?\}\\)|~/g,'$1');
var title;
if(args.length<=36){
title=func+'('+args+')';
}
else{
title=func+'(\n'+indent(_t[2].join(',\n'))+'\n)';
}
if(indent_body&&title.length>8){
temp+='\n\t';
body=indent(body);
}
temp+=title+'=';
}
if(indent_body){
temp+='\n';
temp+=indent(body)+'\n)';
}
else{
temp+=body+')';
}
return temp;
}
else if(_t[0]=='delay'){
return 'delay('+AstToString_impl(_t[1])+')';
}
else if(_t[0]=='callcc'){
return 'callcc('+AstToString_impl(_t[1])+')';
}
else if(_t[0]=='eval'){
return 'eval('+AstToString_impl(_t[1])+')';
}
else if(_t[0]=='curry'){
return 'curry('+AstToString_impl(_t[1])+')';
}
}
return '';
}
else{
if(!isNaN(_t)){
if(_t!=null){
return _t.toString();
}
else{
return '';
}
}
else if(isString(_t)){
return _t;
}
else{
return '';
}
}
}
return remove_parentheses(AstToString_impl(Ast)).
replace(/\n\t+\n/g,'\n').
replace(/\n+/g,'\n')+'\n';
}
var result_of=function(x, cont){
return x(1).bind(null, cont);
}
this.execute=function(__Str, cont){
self.halt=false;
trampoline_exec(macro_expansion.bind(null,parser(lexer(__Str)),function(Ast){
var t=global_symtable(Ast);
return cont.bind(null, function(f, args, cont){
if(f in t){
trampoline_exec(t[f]()(null, function(f){
return f().bind(null, args, function(ret){return result_of.bind(null, ret, cont);});
}));
}
else{
cont('None');
}
});
}));
}
this.terminate=function()
{
this.halt=true;
}
}
var addGlobalStyle = (function(css) {
var head, style;
head = document.getElementsByTagName('head')[0];
if (!head) { return; }
style = document.createElement('style');
style.type = 'text/css';
style.innerHTML = css;
head.appendChild(style);
});
function code_console(e, code)
{
this.element = e;
this.continuation;
this.inSuspend=false;
this.inRuning=false;
this.interp = new interpreter(this);
this.disabled_input = true;
var self = this;
this.error=function(msg){
self.inRuning=false;
self.interp.terminate();
var history=self.element.find(".output span");
if(history.length>=100){
history.first().next().remove();
history.first().remove();
}
var command=$('<span class="error"></span>');
command.text(msg);
var output=self.element.find(".output");
output.append(command);
output.append('<br>');
output.animate({scrollTop: output.prop("scrollHeight")});
}
this.output=function(str){
var history=self.element.find(".output span");
if(history.length>=100){
history.first().next().remove();
history.first().remove();
}
var command=$('<span class="result"></span>');
command.html('>>> '+highlight(str));
var output=self.element.find(".output");
output.append(command);
output.append('<br>');
output.animate({scrollTop: output.prop("scrollHeight")});
}
this.input=function(cont){
self.element.find("textarea").removeClass('disabled');
self.disabled_input = false;
self.continuation=cont;
}
this.suspend=function(cont){
self.element.find("textarea").removeClass('disabled');
self.disabled_input = false;
self.element.find("textarea").attr("placeholder","Resume to run? [Y/N]");
self.inSuspend=true;
self.continuation=cont;
}
this.clear=function(cont){
self.element.find("pre.output").empty();
}
this.sleep=function(cont, time){
setTimeout(function(){
try {
cont();
}
catch(err) {
if(err.name!='Error'){
err.message='Error: '+err.message;
}
self.error(err.message);
}
}, time);
}
this.halt=function(cont){
self.inRuning=false;
self.interp.terminate();
}
this.element.find("textarea").keydown(function(e) {
if(self.disabled_input){
e.preventDefault();
return;
}
var code = e.keyCode ? e.keyCode : e.which;
if (code == 13) { // Enter keycode
e.preventDefault();
if(self.inSuspend){
var input=$(this).val().replace(/\n|\r\n/g,'').trim();
$(this).val('');
if(input.toUpperCase()=='Y'){
$(this).attr("placeholder","");
$(this).addClass('disabled');
self.disabled_input=true;
self.inSuspend=false;
try {
self.continuation();
}
catch(err) {
if(err.name!='Error'){
err.message='Error: '+err.message;
}
error(err.message);
}
}
else if(input.toUpperCase()=='N'){
$(this).attr("placeholder","");
$(this).prop('disabled', true);
self.inSuspend=false;
}
}
else if ($(this).val().trim().length > 0) {
var input=$(this).val().trim();
var command=$('<span class="command"></span>');
command.html(highlight(input));
var output=self.element.find(".output");
output.append(command);
output.append('<br>');
$(this).addClass('disabled');
$(this).val('');
self.disabled_input=true;
output.animate({scrollTop: output.prop("scrollHeight")});
try {
self.continuation(input);
}
catch(err) {
if(err.name!='Error'){
err.message='Error: '+err.message;
}
self.error(err.message);
}
}
}
});
var description = code.match(/(?:\/\/ [^\n]*\n)+(?:\/\/ ==description==\n)((?:\/\/ [^\n]*\n)*)(?:\/\/ ==description==\n)/);
if(description)
{
var output=self.element.find(".output");
description = description[1].replace(/^\/\/ /mg,"")
.replace(/\n$/, "")
.split("\n");
description.forEach(function(d){
var command=$('<span class="description"></span>');
command.text(d);
output.append(command);
output.append('<br>');
});
output.append('<br>');
}
if(!self.inRuning) {
if (code.length > 0) {
//self.interp.execute(code,function(exce){
// exce('f',[],self.output);
//});
try {
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