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2.4 12 7 get( b key, b.txt, funciton(b val){ 8 get( c key, c.txt, funciton(c val){ 9 print(a val + b val + c val); 10 }); 11 }); 12 }); 13 } 2.1 xhr, Web. URL,.,. 2.2, localstorage get local Storage.. init. Web.., local Storage,. 2.3, get local Storage, local Storage,. get.,,,. init. 2.2.., get.,. 2.4 Web ( ).,

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4.4 CPS 24 (quote < >) lambda. begin,,. if. < >.,,. 4.4.2 CPS. 4.4 CPS Scheme 1 (+ (+ (get data1 a) (get data2 b)) (get data3 c)) local Storage 3. data1, data2, data3 URL, a, b, c local Storage. 4.4 CPS 4.5. lambda,., 3 lambda (get G19 G20) 3 get 16. G11 get. get. 4.5 CPS Scheme 1 ((lambda (G19) 2 ((lambda (G20) 3 (get (lambda (G11) 4 ((lambda (G14) 5 ((lambda (G15) 6 (get (lambda (G12) 7 (+ (lambda (G3) 8 ((lambda (G6) 9 ((lambda (G7) 10 (get (lambda (G4) (+ G3 G4)) 11 G6 G7)) 12 c)) data3)) 13 G11 G12)) 14 G14 G15)) 15 b)) data2))

4.4 CPS 25 16 G19 G20)) 17 a)) 18 data1) 4.5. 1. data1 G19. ( ) 2. a G20. ( ) 3. (get G19 G20) G11. (3 ) 4. data2 G14. ( ) 5. b G15. 5 ) 6. (get G14 G15) G12. (6 ) 7. (+ G11 G12) G3. (7 ) 8. data3 G6. (8 ) 9. c G7. (9 ) 10. (get G6 G7) G4. (10 ) 11. (+ G3 G4). (10 ). G19=data1 G20=a G11=(get data1 a) G14=data2 G15=b G12=(get data2 b) G3=(+ (get data1 a )(get data2 b)) G6=data3 G7=c G4=(get data3 c) Scheme. CPS. CPS...

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5.3 JavaScript Scheme 31 5.4 xhr 1 function xhr(k, url) { 2 var xhrobject = new XMLHttpRequest(); 3 xhrobject.responsetype = text ; 4 xhrobject.onreadystatechange = function() { 5 if (xhrobject.status === 200 && xhrobject.readystate === 4) { 6 var args = [xhrobject.response]; 7 scmeval sequence(k.body, k.env.extend(k.args, args)); 8 9 } 10 }; 11 xhrobject.open( GET, url, true); 12 xhrobject.send(null); 13 return true; 14 } (get ) get local Storage, Web. local Storage local Storage, local Storage Web. get k, Web URL, local Storage. 5.5. 5.5 1 function get(k, url, key) { 2 if (navigator.online) { 3 xhr(k, url); 4 return true; 5 } else { 6 return localstorage.getitem(key); 7 } 8 } get (mouseup ) mouseup ( ). ev, HTML id a. 5.6.

5.3 JavaScript Scheme 32 5.6 mouseup 1 function mouseup(ev, id, a) { 2 var element = id[ name ]; 3 var div = document.getelementbyid(element); 4 var args = []; 5 args.push(a); 6 //. 7 div.onmouseup = function() { 8 scmeval sequence(ev.body, ev.env.extend(ev.args, args)); 9 }; 10 return true; 11 } (mousemove ) mousemove. ev, HTML id a. 5.7. 5.7 mousemove 1 function mousemove(ev, id, a) { 2 var element = id[ name ]; 3 var div = document.getelementbyid(element); 4 var args = []; 5 args.push(a); 6 //. 7 div.onmousemove = function() { 8 scmeval sequence(ev.body, ev.env.extend(ev.args, args)); 9 }; 10 return true; 11 } (mousedown ) mousedown. ev, HTML id a. 5.8. 5.8 1 function mousedown(ev, id, a) { 2 var element = id[ name ]; mousedown

5.3 JavaScript Scheme 33 3 var div = document.getelementbyid(element); 4 var args = a; 5 //. 6 div.onmousedown = function() { 7 scmeval sequence(ev.body, ev.env.extend(ev.args, args)); 8 }; 9 return true; 10 } (mouseclick ) mouseclick. ev, HTML id a. 5.9. 5.9 mouseclick 1 function mouseclick(ev, id, a) { 2 var element = id[ name ]; 3 var div = document.getelementbyid(element); 4 var args = a; 5 //. 6 div.onclick = function() { 7 scmeval sequence(ev.body, ev.env.extend(ev.args, args)); 8 }; 9 return true; 10 }

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37 [1] HTML5, http://www.w3.org/tr/html5/, Jan., 2015. [2] Offline first, http://blog.joelambert.co.uk/2012/11/26/offline-first-a-better-html5- user-experience/, Jan., 2015. [3] Doloto, http://research.microsoft.com/en-us/projects/doloto/, Jan., 2015. [4] Google Gears, https://code.google.com/p/gears/, Jan., 2015. [5] Gauche, http://practical-scheme.net/gauche/index-j.html, Jan., 2015. [6] The Revised 6 Report on the Algorithmic Language Scheme, http://www.r6rs.org/, Jan., 2015. [7] Yung-Wei Kao, ChiaFeng Lin, Kuei-An Yang and Shyan-Ming Yuan: A Webbased, Offline-able, and Personalized Runtime Environment for executing applications on mobile devices, Computer Standards & Interfaces, Vol.34, No.1, pp.212-224, Jan., 2012. [8] Weinsberg, Y. and Ben-Shaul, I.: A programming model and system support for disconnected-aware applications on resource-constrained devices, Proceedings of the 24th International Conference on Software Engineering (ICSE 02), pp.374-384, May., 2002. [9] Benjamin Livshits and Emre Kcman: Doloto: Code Splitting for Network-Bound Web 2.0 Applications, Proceedings of the 16th ACM SIGSOFT International Symposium on Foundations of software engineering (SIGSOFT 08/FSE-16), pp.350-360, Nov., 2008. [10] Marc Feeley.: Polling efficiently on stock hardware, Proceedings of the conference on Functional programming languages and computer architecture (FPCA 93), pp.179-187, 1993. [11] David Kranz, Richard Kelsey, Jonathan Rees, Paul Hudak, James Philbin, and Norman Adams: ORBIT: an optimizing compiler for scheme, Proceedings of the 1986 SIGPLAN symposium on Compiler construction (SIGPLAN 86), pp.219-233, 1986 [12] Guy L. Steele, Jr.: Rabbit: A Compiler for Scheme, AI Memo474, MIT, 1978 [13],, :, JSPP2001, Jun., 2001