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Issue 9702034: Removes dartc reliance on its own libraries, now can be targeted at any implementation's libraries (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart
Patch Set: junit tests fixed Created 8 years, 9 months ago
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1 // Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
2 // for details. All rights reserved. Use of this source code is governed by a
3 // BSD-style license that can be found in the LICENSE file.
4
5 /**
6 * Helpers for lazy static initialization.
7 */
8 var static$uninitialized = {};
9 var static$initializing = {};
10
11 function $maybeBindRtt(fun, fRtt, thisObj) {
12 if (fRtt) {
13 fun.$lookupRTT = function() {
14 return fRtt.call(thisObj);
15 }
16 }
17 }
18
19 // Optimized versions of closure bindings.
20 // Name convention: $bind<number-of-scopes>_<number-of-arguments>(fn, this, scop es, args)
21 function $bind0_0(fn, fRtt, thisObj) {
22 var fun = function() {
23 return fn.call(thisObj);
24 }
25 $maybeBindRtt(fun, fRtt, thisObj);
26 return fun;
27 }
28 function $bind0_1(fn, fRtt, thisObj) {
29 var fun = function(arg) {
30 return fn.call(thisObj, arg);
31 }
32 $maybeBindRtt(fun, fRtt, thisObj);
33 return fun;
34 }
35 function $bind0_2(fn, fRtt, thisObj) {
36 var fun = function(arg1, arg2) {
37 return fn.call(thisObj, arg1, arg2);
38 }
39 $maybeBindRtt(fun, fRtt, thisObj);
40 return fun;
41 }
42 function $bind0_3(fn, fRtt, thisObj) {
43 var fun = function(arg1, arg2, arg3) {
44 return fn.call(thisObj, arg1, arg2, arg3);
45 }
46 $maybeBindRtt(fun, fRtt, thisObj);
47 return fun;
48 }
49 function $bind0_4(fn, fRtt, thisObj) {
50 var fun = function(arg1, arg2, arg3, arg4) {
51 return fn.call(thisObj, arg1, arg2, arg3, arg4);
52 }
53 $maybeBindRtt(fun, fRtt, thisObj);
54 return fun;
55 }
56 function $bind0_5(fn, fRtt, thisObj) {
57 var fun = function(arg1, arg2, arg3, arg4, arg5) {
58 return fn.call(thisObj, arg1, arg2, arg3, arg4, arg5);
59 }
60 $maybeBindRtt(fun, fRtt, thisObj);
61 return fun;
62 }
63
64 function $bind1_0(fn, fRtt, thisObj, scope) {
65 var fun = function() {
66 return fn.call(thisObj, scope);
67 }
68 $maybeBindRtt(fun, fRtt, thisObj);
69 return fun;
70 }
71 function $bind1_1(fn, fRtt, thisObj, scope) {
72 var fun = function(arg) {
73 return fn.call(thisObj, scope, arg);
74 }
75 $maybeBindRtt(fun, fRtt, thisObj);
76 return fun;
77 }
78 function $bind1_2(fn, fRtt, thisObj, scope) {
79 var fun = function(arg1, arg2) {
80 return fn.call(thisObj, scope, arg1, arg2);
81 }
82 $maybeBindRtt(fun, fRtt, thisObj);
83 return fun;
84 }
85 function $bind1_3(fn, fRtt, thisObj, scope) {
86 var fun = function(arg1, arg2, arg3) {
87 return fn.call(thisObj, scope, arg1, arg2, arg3);
88 }
89 $maybeBindRtt(fun, fRtt, thisObj);
90 return fun;
91 }
92 function $bind1_4(fn, fRtt, thisObj, scope) {
93 var fun = function(arg1, arg2, arg3, arg4) {
94 return fn.call(thisObj, scope, arg1, arg2, arg3, arg4);
95 }
96 $maybeBindRtt(fun, fRtt, thisObj);
97 return fun;
98 }
99 function $bind1_5(fn, fRtt, thisObj, scope) {
100 var fun = function(arg1, arg2, arg3, arg4, arg5) {
101 return fn.call(thisObj, scope, arg1, arg2, arg3, arg4, arg5);
102 }
103 $maybeBindRtt(fun, fRtt, thisObj);
104 return fun;
105 }
106
107 function $bind2_0(fn, fRtt, thisObj, scope1, scope2) {
108 var fun = function() {
109 return fn.call(thisObj, scope1, scope2);
110 }
111 $maybeBindRtt(fun, fRtt, thisObj);
112 return fun;
113 }
114 function $bind2_1(fn, fRtt, thisObj, scope1, scope2) {
115 var fun = function(arg) {
116 return fn.call(thisObj, scope1, scope2, arg);
117 }
118 $maybeBindRtt(fun, fRtt, thisObj);
119 return fun;
120 }
121 function $bind2_2(fn, fRtt, thisObj, scope1, scope2) {
122 var fun = function(arg1, arg2) {
123 return fn.call(thisObj, scope1, scope2, arg1, arg2);
124 }
125 $maybeBindRtt(fun, fRtt, thisObj);
126 return fun;
127 }
128 function $bind2_3(fn, fRtt, thisObj, scope1, scope2) {
129 var fun = function(arg1, arg2, arg3) {
130 return fn.call(thisObj, scope1, scope2, arg1, arg2, arg3);
131 }
132 $maybeBindRtt(fun, fRtt, thisObj);
133 return fun;
134 }
135 function $bind2_4(fn, fRtt, thisObj, scope1, scope2) {
136 var fun = function(arg1, arg2, arg3, arg4) {
137 return fn.call(thisObj, scope1, scope2, arg1, arg2, arg3, arg4);
138 }
139 $maybeBindRtt(fun, fRtt, thisObj);
140 return fun;
141 }
142 function $bind2_5(fn, fRtt, thisObj, scope1, scope2) {
143 var fun = function(arg1, arg2, arg3, arg4, arg5) {
144 return fn.call(thisObj, scope1, scope2, arg1, arg2, arg3, arg4, arg5);
145 }
146 $maybeBindRtt(fun, fRtt, thisObj);
147 return fun;
148 }
149
150 function $bind3_0(fn, fRtt, thisObj, scope1, scope2, scope3) {
151 var fun = function() {
152 return fn.call(thisObj, scope1, scope2, scope3);
153 }
154 $maybeBindRtt(fun, fRtt, thisObj);
155 return fun;
156 }
157 function $bind3_1(fn, fRtt, thisObj, scope1, scope2, scope3) {
158 var fun = function(arg) {
159 return fn.call(thisObj, scope1, scope2, scope3, arg);
160 }
161 $maybeBindRtt(fun, fRtt, thisObj);
162 return fun;
163 }
164 function $bind3_2(fn, fRtt, thisObj, scope1, scope2, scope3) {
165 var fun = function(arg1, arg2) {
166 return fn.call(thisObj, scope1, scope2, scope3, arg1, arg2);
167 }
168 $maybeBindRtt(fun, fRtt, thisObj);
169 return fun;
170 }
171 function $bind3_3(fn, fRtt, thisObj, scope1, scope2, scope3) {
172 var fun = function(arg1, arg2, arg3) {
173 return fn.call(thisObj, scope1, scope2, scope3, arg1, arg2, arg3);
174 }
175 $maybeBindRtt(fun, fRtt, thisObj);
176 return fun;
177 }
178 function $bind3_4(fn, fRtt, thisObj, scope1, scope2, scope3) {
179 var fun = function(arg1, arg2, arg3, arg4) {
180 return fn.call(thisObj, scope1, scope2, scope3, arg1, arg2, arg3, arg4);
181 }
182 $maybeBindRtt(fun, fRtt, thisObj);
183 return fun;
184 }
185 function $bind3_5(fn, fRtt, thisObj, scope1, scope2, scope3) {
186 var fun = function(arg1, arg2, arg3, arg4, arg5) {
187 return fn.call(thisObj, scope1, scope2, scope3, arg1, arg2, arg3, arg4, arg5 );
188 }
189 $maybeBindRtt(fun, fRtt, thisObj);
190 return fun;
191 }
192
193 /**
194 * Implements extends for dart classes on javascript prototypes.
195 * @param {Function} child
196 * @param {Function} parent
197 */
198 function $inherits(child, parent) {
199 if (child.prototype.__proto__) {
200 child.prototype.__proto__ = parent.prototype;
201 } else {
202 function tmp() {};
203 tmp.prototype = parent.prototype;
204 child.prototype = new tmp();
205 child.prototype.constructor = child;
206 }
207 }
208
209 /**
210 * @param {Function} fn
211 * @param {Function=} fRtt
212 * @param {Object|undefined} thisObj
213 * @param {...*} var_args
214 */
215 function $bind(fn, fRtt, thisObj, var_args) {
216 var func;
217 if (arguments.length > 3) {
218 var boundArgs = Array.prototype.slice.call(arguments, 3);
219 func = function() {
220 // Prepend the bound arguments to the current arguments.
221 var newArgs = Array.prototype.slice.call(arguments);
222 Array.prototype.unshift.apply(newArgs, boundArgs);
223 return fn.apply(thisObj, newArgs);
224 };
225 } else {
226 func = function() {
227 return fn.apply(thisObj, arguments);
228 };
229 }
230 if(fRtt) {
231 func.$lookupRTT = function() {
232 return fRtt.apply(thisObj, arguments);
233 };
234 }
235 return func;
236 }
237
238 /**
239 * Dart null object that should be used by JS implementation to test for
240 * Dart null.
241 *
242 * TODO(ngeoffray): update dartc to generate this variable instead of
243 * undefined.
244 * @const
245 */
246 var $Dart$Null = void 0;
247
248 function assert(expr) {
249 var val = typeof(expr) == 'function' ? $dartcall(expr, []) : expr;
250 if (val !== true) {
251 $Dart$ThrowException(native_ExceptionHelper_createAssertionError());
252 }
253 }
254
255 function BIT_OR$operator(val1, val2) {
256 return (typeof(val1) == 'number' && typeof(val2) == 'number')
257 ? val1 | val2
258 : val1.BIT_OR$operator(val2);
259 }
260
261 function BIT_XOR$operator(val1, val2) {
262 return (typeof(val1) == 'number' && typeof(val2) == 'number')
263 ? val1 ^ val2
264 : val1.BIT_XOR$operator(val2);
265 }
266
267 function BIT_AND$operator(val1, val2) {
268 return (typeof(val1) == 'number' && typeof(val2) == 'number')
269 ? val1 & val2
270 : val1.BIT_AND$operator(val2);
271 }
272
273 function BIT_NOT$operator(val) {
274 return (typeof(val) == 'number') ? ~val : val.BIT_NOT$operator();
275 }
276
277 function SHL$operator(val1, val2) {
278 return (typeof(val1) == 'number' && typeof(val2) == 'number')
279 ? val1 << val2
280 : val1.SHL$operator(val2);
281 }
282
283 function SAR$operator(val1, val2) {
284 return (typeof(val1) == 'number' && typeof(val2) == 'number')
285 ? val1 >> val2
286 : val1.SAR$operator(val2);
287 }
288
289 function SHR$operator(val1, val2) {
290 return val1.SHR$operator(val2);
291 }
292
293 function ADD$operator(val1, val2) {
294 return (typeof(val1) == 'number' && typeof(val2) == 'number')
295 ? val1 + val2
296 : val1.ADD$operator(val2);
297 }
298
299 function SUB$operator(val1, val2) {
300 return (typeof(val1) == 'number' && typeof(val2) == 'number')
301 ? val1 - val2
302 : val1.SUB$operator(val2);
303 }
304
305 function MUL$operator(val1, val2) {
306 return (typeof(val1) == 'number' && typeof(val2) == 'number')
307 ? val1 * val2
308 : val1.MUL$operator(val2);
309 }
310
311 function DIV$operator(val1, val2) {
312 return (typeof(val1) == 'number' && typeof(val2) == 'number')
313 ? val1 / val2
314 : val1.DIV$operator(val2);
315 }
316
317 function MOD$operator(val1, val2) {
318 return (typeof(val1) == 'number' && typeof(val2) == 'number')
319 ? number$euclideanModulo(val1, val2)
320 : val1.MOD$operator(val2);
321 }
322
323 function TRUNC$operator(val1, val2) {
324 if (typeof(val1) == 'number' && typeof(val2) == 'number') {
325 var tmp = val1 / val2;
326 return (tmp < 0) ? Math.ceil(tmp) : Math.floor(tmp);
327 } else {
328 return val1.TRUNC$operator(val2);
329 }
330 }
331
332 function negate$operator(val) {
333 return (typeof(val) == 'number') ? -val : val.negate$operator();
334 }
335
336 function EQ$operator(val1, val2) {
337 return (typeof val1 != 'object')
338 ? val1 === val2
339 : val1.EQ$operator(val2);
340 }
341
342 function NE$operator(val1, val2) {
343 return (typeof val1 != 'object')
344 ? val1 !== val2
345 : !val1.EQ$operator(val2);
346 }
347
348 function LT$operator(val1, val2) {
349 return (typeof(val1) == 'number' && typeof(val2) == 'number')
350 ? val1 < val2
351 : val1.LT$operator(val2);
352 }
353
354 function GT$operator(val1, val2) {
355 return (typeof(val1) == 'number' && typeof(val2) == 'number')
356 ? val1 > val2
357 : val1.GT$operator(val2);
358 }
359
360 function LTE$operator(val1, val2) {
361 return (typeof(val1) == 'number' && typeof(val2) == 'number')
362 ? val1 <= val2
363 : val1.LTE$operator(val2);
364 }
365
366 function GTE$operator(val1, val2) {
367 return (typeof(val1) == 'number' && typeof(val2) == 'number')
368 ? val1 >= val2
369 : val1.GTE$operator(val2);
370 }
371
372 // The following operator-functions are not called from Dart-generated code, but
373 // only from handwritten JS code.
374 function INDEX$operator(obj, index) {
375 return obj.INDEX$operator(index);
376 }
377
378 function ASSIGN_INDEX$operator(obj, index, newVal) {
379 obj.ASSIGN_INDEX$operator(index, newVal);
380 }
381
382 function $Dart$ThrowException(e) {
383 // If e is not a value, we can use V8's captureStackTrace utility method.
384 if (e && (typeof e == "object") && Error.captureStackTrace) {
385 Error.captureStackTrace(e);
386 }
387 throw e;
388 }
389
390 function $toString(x) {
391 return native__StringJsUtil_toDartString(x);
392 }
393
394 // Translate a JavaScript exception to a Dart exception
395 // TODO(zundel): cross browser support. This is Chrome specific.
396 function $transformBrowserException(e) {
397 if (e instanceof TypeError) {
398 switch(e.type) {
399 case "property_not_function":
400 case "called_non_callable":
401 if (e.arguments[0] == "undefined") {
402 return native_ExceptionHelper_createNullPointerException();
403 }
404 return native_ExceptionHelper_createObjectNotClosureException();
405 case "non_object_property_call":
406 case "non_object_property_load":
407 return native_ExceptionHelper_createNullPointerException();
408 case "undefined_method":
409 if (e.arguments[0] == "call" || e.arguments[0] == "apply") {
410 return native_ExceptionHelper_createObjectNotClosureException();
411 }
412 return native_ExceptionHelper_createNoSuchMethodException(
413 "", e.arguments[0], []);
414 }
415 }
416 return e;
417 }
418
419 // Throws a NoSuchMethodException (used by named-parameter trampolines).
420 function $nsme() {
421 var e = native_ExceptionHelper_createNoSuchMethodException("", "", []);
422 $Dart$ThrowException(e);
423 }
424
425 // Throws a NoSuchMethodException (used when instantiating via a non-existent cl ass or ctor).
426 function $nsme2(name, args) {
427 var e = native_ExceptionHelper_createNoSuchMethodException(name, name, args);
428 $Dart$ThrowException(e);
429 }
430
431 // Shared named-argument object used by call-sites with no named arguments.
432 /** @const */
433 var $noargs = {count:0};
434
435 // Used for invoking dart functions from js.
436 function $dartcall(fn, args) {
437 args.unshift(args.length, $noargs);
438 fn.apply(null, args);
439 }
440
441 //
442 // The following methods are used to create canonical constants.
443 //
444
445 function native_ConstHelper_getConstId(o) {
446 return $dart_const_id(o);
447 }
448
449 // compile time const canonicalization helpers
450 function $dart_const_id(o) {
451 if (o === $Dart$Null) return "";
452 if (typeof o === "number") return "n" + o;
453 if (typeof o === "boolean") return "b" + ((o) ? 1 : 0);
454 if (typeof o === "string") return $dart_const_string_id(o);
455 if (typeof o === "function") throw "a function is not a constant expression";
456 var result = o.$dartConstId;
457 if (result === undefined) {
458 throw "internal error: reference to non-canonical constant";
459 }
460 return result;
461 }
462
463 // Array ids have the form: "aID,ID,ID"
464 function $dart_const_array_id(o) {
465 var ids = [];
466 for (var i=o.length-1; i>=0; i--) {
467 ids.push($dart_const_id(o[i]));
468 }
469 return "a" + ids.join(",");
470 }
471
472 var $CONST_MAP_PREFIX = ":"
473
474 // String ids have the form "sID"
475 var $string_id = 0;
476 var $string_id_cache = {};
477 function $dart_const_string_id(s) {
478 var key = $CONST_MAP_PREFIX + s;
479 var id = $string_id_cache[key];
480 if (!id) {
481 id = "s" + (++$string_id);
482 $string_id_cache[key] = id;
483 }
484 return id;
485 }
486
487 // A place to store the canonical consts
488 var $consts = {};
489
490 function $isDartMap(o) {
491 return !!(o && o.$implements$Map$Dart);
492 }
493
494 // Intern const object "o"
495 function $intern(o, type_args) {
496 var id;
497 // Maps and arrays need special handling
498 // TODO(johnlenz): This array check may not be sufficient across iframes.
499 if (o instanceof Array) {
500 // Dart array literals are implemented as JavaScript native arrays.
501 id = $dart_const_array_id(o);
502 } else if ($isDartMap(o)) {
503 // Dart map literals are currently implemented by a non-const Dart class.
504 id = native_ConstHelper_getConstMapId(o);
505 } else {
506 id = "o" + o.$const_id();
507 }
508 if (type_args != null) {
509 id += '<';
510 for (var i=type_args.length-1; i >= 0; i--) {
511 id += type_args[i];
512 id += ","
513 }
514 id += '>';
515 }
516 var key = $CONST_MAP_PREFIX + id;
517 var match = $consts[key];
518 if (match != null) {
519 return match;
520 }
521 o.$dartConstId = id;
522 $consts[key] = o;
523 return o;
524 }
525
526 function $Dart$MapLiteralFactory() {
527 return native__CoreJsUtil__newMapLiteral();
528 }
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