root / trunk / web / dojo / dojox / lang / functional / tailrec.js
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| 1 | 9 | andrej.cim | /*
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| 2 | Copyright (c) 2004-2010, The Dojo Foundation All Rights Reserved.
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| 3 | Available via Academic Free License >= 2.1 OR the modified BSD license.
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| 4 | see: http://dojotoolkit.org/license for details
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| 5 | */
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| 6 | |||
| 7 | |||
| 8 | if(!dojo._hasResource["dojox.lang.functional.tailrec"]){ |
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| 9 | dojo._hasResource["dojox.lang.functional.tailrec"]=true; |
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| 10 | dojo.provide("dojox.lang.functional.tailrec");
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| 11 | dojo.require("dojox.lang.functional.lambda");
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| 12 | dojo.require("dojox.lang.functional.util");
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| 13 | (function(){
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| 14 | var df=dojox.lang.functional,_1=df.inlineLambda,_2="_x"; |
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| 15 | df.tailrec=function(_3,_4,_5){ |
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| 16 | var c,t,b,cs,ts,bs,_6={},_7={},_8=function(x){ |
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| 17 | _6[x]=1;
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| 18 | }; |
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| 19 | if(typeof _3=="string"){ |
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| 20 | cs=_1(_3,_2,_8); |
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| 21 | }else{
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| 22 | c=df.lambda(_3); |
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| 23 | cs="_c.apply(this, _x)";
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| 24 | _7["_c=_t.c"]=1; |
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| 25 | } |
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| 26 | if(typeof _4=="string"){ |
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| 27 | ts=_1(_4,_2,_8); |
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| 28 | }else{
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| 29 | t=df.lambda(_4); |
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| 30 | ts="_t.t.apply(this, _x)";
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| 31 | } |
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| 32 | if(typeof _5=="string"){ |
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| 33 | bs=_1(_5,_2,_8); |
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| 34 | }else{
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| 35 | b=df.lambda(_5); |
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| 36 | bs="_b.apply(this, _x)";
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| 37 | _7["_b=_t.b"]=1; |
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| 38 | } |
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| 39 | var _9=df.keys(_6),_a=df.keys(_7),f=new Function([],"var _x=arguments,_t=_x.callee,_c=_t.c,_b=_t.b".concat(_9.length?","+_9.join(","):"",_a.length?",_t=_x.callee,"+_a.join(","):t?",_t=_x.callee":"",";for(;!",cs,";_x=",bs,");return ",ts)); |
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| 40 | if(c){
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| 41 | f.c=c; |
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| 42 | } |
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| 43 | if(t){
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| 44 | f.t=t; |
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| 45 | } |
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| 46 | if(b){
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| 47 | f.b=b; |
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| 48 | } |
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| 49 | return f;
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| 50 | }; |
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| 51 | })(); |
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| 52 | } |