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1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2011 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "src/messages.h" | 5 #include "src/messages.h" |
6 | 6 |
7 #include "src/api.h" | 7 #include "src/api.h" |
8 #include "src/bootstrapper.h" | |
9 #include "src/execution.h" | 8 #include "src/execution.h" |
10 #include "src/isolate-inl.h" | 9 #include "src/isolate-inl.h" |
11 #include "src/keys.h" | 10 #include "src/keys.h" |
12 #include "src/string-builder.h" | 11 #include "src/string-builder.h" |
13 #include "src/wasm/wasm-module.h" | 12 #include "src/wasm/wasm-module.h" |
14 | 13 |
15 namespace v8 { | 14 namespace v8 { |
16 namespace internal { | 15 namespace internal { |
17 | 16 |
18 MessageLocation::MessageLocation(Handle<Script> script, int start_pos, | 17 MessageLocation::MessageLocation(Handle<Script> script, int start_pos, |
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441 builder.AppendString(arg); | 440 builder.AppendString(arg); |
442 } | 441 } |
443 } else { | 442 } else { |
444 builder.AppendCharacter(*c); | 443 builder.AppendCharacter(*c); |
445 } | 444 } |
446 } | 445 } |
447 | 446 |
448 return builder.Finish(); | 447 return builder.Finish(); |
449 } | 448 } |
450 | 449 |
451 MaybeHandle<Object> ConstructError(Isolate* isolate, Handle<JSFunction> target, | |
452 Handle<Object> new_target, | |
453 Handle<Object> message, FrameSkipMode mode, | |
454 bool suppress_detailed_trace) { | |
455 // 1. If NewTarget is undefined, let newTarget be the active function object, | |
456 // else let newTarget be NewTarget. | |
457 | |
458 Handle<JSReceiver> new_target_recv = | |
459 new_target->IsJSReceiver() ? Handle<JSReceiver>::cast(new_target) | |
460 : Handle<JSReceiver>::cast(target); | |
461 | |
462 // 2. Let O be ? OrdinaryCreateFromConstructor(newTarget, "%ErrorPrototype%", | |
463 // « [[ErrorData]] »). | |
464 Handle<JSObject> err; | |
465 ASSIGN_RETURN_ON_EXCEPTION(isolate, err, | |
466 JSObject::New(target, new_target_recv), Object); | |
467 | |
468 // 3. If message is not undefined, then | |
469 // a. Let msg be ? ToString(message). | |
470 // b. Let msgDesc be the PropertyDescriptor{[[Value]]: msg, [[Writable]]: | |
471 // true, [[Enumerable]]: false, [[Configurable]]: true}. | |
472 // c. Perform ! DefinePropertyOrThrow(O, "message", msgDesc). | |
473 // 4. Return O. | |
474 | |
475 if (!message->IsUndefined(isolate)) { | |
476 Handle<String> msg_string; | |
477 ASSIGN_RETURN_ON_EXCEPTION(isolate, msg_string, | |
478 Object::ToString(isolate, message), Object); | |
479 RETURN_ON_EXCEPTION(isolate, JSObject::SetOwnPropertyIgnoreAttributes( | |
480 err, isolate->factory()->message_string(), | |
481 msg_string, DONT_ENUM), | |
482 Object); | |
483 } | |
484 | |
485 // Optionally capture a more detailed stack trace for the message. | |
486 if (!suppress_detailed_trace) { | |
487 RETURN_ON_EXCEPTION(isolate, isolate->CaptureAndSetDetailedStackTrace(err), | |
488 Object); | |
489 } | |
490 // Capture a simple stack trace for the stack property. | |
491 RETURN_ON_EXCEPTION(isolate, isolate->CaptureAndSetSimpleStackTrace( | |
492 err, mode, Handle<Object>()), | |
493 Object); | |
494 | |
495 return err; | |
496 } | |
497 | 450 |
498 } // namespace internal | 451 } // namespace internal |
499 } // namespace v8 | 452 } // namespace v8 |
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