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comparison lib/js/urweb.js @ 1890:abb0e95dcaa1

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Fix more of client-side error handlers
author Adam Chlipala <adam@chlipala.net>
date Thu, 14 Nov 2013 06:36:36 -0500
parents c40ed80be943
children b6aee1d5b9b1
comparison
equal deleted inserted replaced
1889:c40ed80be943 1890:abb0e95dcaa1
374 if (!lameDuck) { 374 if (!lameDuck) {
375 if (ls == null) 375 if (ls == null)
376 alert(kind + ": " + arg); 376 alert(kind + ": " + arg);
377 for (; ls; ls = ls.next) 377 for (; ls; ls = ls.next)
378 try { 378 try {
379 exec({c:"a", f:{c:"a", f:{c:"c", v:ls.data}, x:{c:"c", v:arg}}, x:{c:"c", v:null}}); 379 exec({c:"a", f:{c:"a", f:ls.data, x:{c:"c", v:arg}}, x:{c:"c", v:null}});
380 } catch (v) { } 380 } catch (v) { }
381 } 381 }
382 } 382 }
383 383
384 var errorHandlers = null; 384 var errorHandlers = null;
385 385
386 function flift0(v) {
387 return {c:"c", v:v};
388 }
389
386 function onError(f) { 390 function onError(f) {
387 errorHandlers = cons(f, errorHandlers); 391 errorHandlers = cons(flift0(f), errorHandlers);
388 } 392 }
389 393
390 function er(s) { 394 function er(s) {
391 runHandlers("Error", errorHandlers, s); 395 runHandlers("Error", errorHandlers, s);
392 throw {uw_error: s}; 396 throw {uw_error: s};
393 } 397 }
394 398
395 var failHandlers = null; 399 var failHandlers = null;
396 400
397 function onFail(f) { 401 function onFail(f) {
398 failHandlers = cons(f, failHandlers); 402 failHandlers = cons(flift0(f), failHandlers);
399 } 403 }
400 404
401 function doExn(v) { 405 function doExn(v) {
402 if (v == null || v.uw_error == null) { 406 if (v == null || v.uw_error == null) {
403 var s = (v == null ? "null" : v.message ? v.message : v.toString()); 407 var s = (v == null ? "null" : v.message ? v.message : v.toString());
432 } 436 }
433 437
434 var serverHandlers = null; 438 var serverHandlers = null;
435 439
436 function onServerError(f) { 440 function onServerError(f) {
437 serverHandlers = cons(f, serverHandlers); 441 serverHandlers = cons(flift0(f), serverHandlers);
438 } 442 }
439 443
440 function servErr(s) { 444 function servErr(s) {
441 window.setTimeout(function () { runHandlers("Server", serverHandlers, s); }, 0); 445 window.setTimeout(function () { runHandlers("Server", serverHandlers, s); }, 0);
442 } 446 }