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1 /* | 1 /* |
2 * Copyright (C) 2009 Google Inc. All rights reserved. | 2 * Copyright (C) 2009 Google Inc. All rights reserved. |
3 * Copyright (C) 2012 Ericsson AB. All rights reserved. | 3 * Copyright (C) 2012 Ericsson AB. All rights reserved. |
4 * | 4 * |
5 * Redistribution and use in source and binary forms, with or without | 5 * Redistribution and use in source and binary forms, with or without |
6 * modification, are permitted provided that the following conditions are | 6 * modification, are permitted provided that the following conditions are |
7 * met: | 7 * met: |
8 * | 8 * |
9 * * Redistributions of source code must retain the above copyright | 9 * * Redistributions of source code must retain the above copyright |
10 * notice, this list of conditions and the following disclaimer. | 10 * notice, this list of conditions and the following disclaimer. |
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68 | 68 |
69 // A helper for throwing JavaScript TypeError. | 69 // A helper for throwing JavaScript TypeError. |
70 v8::Handle<v8::Value> throwTypeError(v8::Isolate*); | 70 v8::Handle<v8::Value> throwTypeError(v8::Isolate*); |
71 v8::Handle<v8::Value> throwTypeError(const String&, v8::Isolate*); | 71 v8::Handle<v8::Value> throwTypeError(const String&, v8::Isolate*); |
72 | 72 |
73 // A helper for throwing JavaScript TypeError for not enough arguments. | 73 // A helper for throwing JavaScript TypeError for not enough arguments. |
74 v8::Handle<v8::Value> throwNotEnoughArgumentsError(v8::Isolate*); | 74 v8::Handle<v8::Value> throwNotEnoughArgumentsError(v8::Isolate*); |
75 | 75 |
76 v8::ArrayBuffer::Allocator* v8ArrayBufferAllocator(); | 76 v8::ArrayBuffer::Allocator* v8ArrayBufferAllocator(); |
77 | 77 |
78 v8::Handle<v8::Value> toV8Sequence(v8::Handle<v8::Value>, uint32_t& length, v8::Isolate*); | 78 v8::Handle<v8::Value> toV8Sequence(v8::Handle<v8::Value>, uint32_t& length, v8::Isolate*, const String& errorMessage); |
Mike West
2013/10/21 06:51:22
Let's keep the isolate as the last parameter.
| |
79 | 79 |
80 inline v8::Handle<v8::Value> argumentOrNull(const v8::FunctionCallbackInfo<v 8::Value>& args, int index) | 80 inline v8::Handle<v8::Value> argumentOrNull(const v8::FunctionCallbackInfo<v 8::Value>& args, int index) |
81 { | 81 { |
82 return index >= args.Length() ? v8::Local<v8::Value>() : args[index]; | 82 return index >= args.Length() ? v8::Local<v8::Value>() : args[index]; |
83 } | 83 } |
84 | 84 |
85 // Since v8::Null(isolate) crashes if we pass a null isolate, | 85 // Since v8::Null(isolate) crashes if we pass a null isolate, |
86 // we need to use v8NullWithCheck(isolate) if an isolate can be null. | 86 // we need to use v8NullWithCheck(isolate) if an isolate can be null. |
87 // | 87 // |
88 // FIXME: Remove all null isolates from V8 bindings, and remove v8NullWithCh eck(isolate). | 88 // FIXME: Remove all null isolates from V8 bindings, and remove v8NullWithCh eck(isolate). |
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443 template <class T, class V8T> | 443 template <class T, class V8T> |
444 Vector<RefPtr<T> > toRefPtrNativeArray(v8::Handle<v8::Value> value, v8::Isol ate* isolate, bool* success = 0) | 444 Vector<RefPtr<T> > toRefPtrNativeArray(v8::Handle<v8::Value> value, v8::Isol ate* isolate, bool* success = 0) |
445 { | 445 { |
446 if (success) | 446 if (success) |
447 *success = true; | 447 *success = true; |
448 | 448 |
449 v8::Local<v8::Value> v8Value(v8::Local<v8::Value>::New(isolate, value)); | 449 v8::Local<v8::Value> v8Value(v8::Local<v8::Value>::New(isolate, value)); |
450 uint32_t length = 0; | 450 uint32_t length = 0; |
451 if (value->IsArray()) | 451 if (value->IsArray()) |
452 length = v8::Local<v8::Array>::Cast(v8Value)->Length(); | 452 length = v8::Local<v8::Array>::Cast(v8Value)->Length(); |
453 else if (toV8Sequence(value, length, isolate).IsEmpty()) | 453 else if (toV8Sequence(value, length, isolate, String()).IsEmpty()) |
454 return Vector<RefPtr<T> >(); | 454 return Vector<RefPtr<T> >(); |
455 | 455 |
456 Vector<RefPtr<T> > result; | 456 Vector<RefPtr<T> > result; |
457 result.reserveInitialCapacity(length); | 457 result.reserveInitialCapacity(length); |
458 v8::Local<v8::Object> object = v8::Local<v8::Object>::Cast(v8Value); | 458 v8::Local<v8::Object> object = v8::Local<v8::Object>::Cast(v8Value); |
459 for (uint32_t i = 0; i < length; ++i) { | 459 for (uint32_t i = 0; i < length; ++i) { |
460 v8::Handle<v8::Value> element = object->Get(i); | 460 v8::Handle<v8::Value> element = object->Get(i); |
461 | 461 |
462 if (V8T::HasInstance(element, isolate, worldType(isolate))) { | 462 if (V8T::HasInstance(element, isolate, worldType(isolate))) { |
463 v8::Handle<v8::Object> elementObject = v8::Handle<v8::Object>::C ast(element); | 463 v8::Handle<v8::Object> elementObject = v8::Handle<v8::Object>::C ast(element); |
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474 | 474 |
475 // Converts a JavaScript value to an array as per the Web IDL specification: | 475 // Converts a JavaScript value to an array as per the Web IDL specification: |
476 // http://www.w3.org/TR/2012/CR-WebIDL-20120419/#es-array | 476 // http://www.w3.org/TR/2012/CR-WebIDL-20120419/#es-array |
477 template <class T> | 477 template <class T> |
478 Vector<T> toNativeArray(v8::Handle<v8::Value> value, v8::Isolate* isolate) | 478 Vector<T> toNativeArray(v8::Handle<v8::Value> value, v8::Isolate* isolate) |
479 { | 479 { |
480 v8::Local<v8::Value> v8Value(v8::Local<v8::Value>::New(isolate, value)); | 480 v8::Local<v8::Value> v8Value(v8::Local<v8::Value>::New(isolate, value)); |
481 uint32_t length = 0; | 481 uint32_t length = 0; |
482 if (value->IsArray()) | 482 if (value->IsArray()) |
483 length = v8::Local<v8::Array>::Cast(v8Value)->Length(); | 483 length = v8::Local<v8::Array>::Cast(v8Value)->Length(); |
484 else if (toV8Sequence(value, length, isolate).IsEmpty()) | 484 else if (toV8Sequence(value, length, isolate, String()).IsEmpty()) |
485 return Vector<T>(); | 485 return Vector<T>(); |
486 | 486 |
487 Vector<T> result; | 487 Vector<T> result; |
488 result.reserveInitialCapacity(length); | 488 result.reserveInitialCapacity(length); |
489 typedef NativeValueTraits<T> TraitsType; | 489 typedef NativeValueTraits<T> TraitsType; |
490 v8::Local<v8::Object> object = v8::Local<v8::Object>::Cast(v8Value); | 490 v8::Local<v8::Object> object = v8::Local<v8::Object>::Cast(v8Value); |
491 for (uint32_t i = 0; i < length; ++i) | 491 for (uint32_t i = 0; i < length; ++i) |
492 result.uncheckedAppend(TraitsType::nativeValue(object->Get(i))); | 492 result.uncheckedAppend(TraitsType::nativeValue(object->Get(i))); |
493 return result; | 493 return result; |
494 } | 494 } |
495 | 495 |
496 template <class T> | 496 template <class T> |
497 Vector<T> toNativeArguments(const v8::FunctionCallbackInfo<v8::Value>& args, int startIndex) | 497 Vector<T> toNativeArguments(const v8::FunctionCallbackInfo<v8::Value>& args, int startIndex) |
498 { | 498 { |
499 ASSERT(startIndex <= args.Length()); | 499 ASSERT(startIndex <= args.Length()); |
500 Vector<T> result; | 500 Vector<T> result; |
501 typedef NativeValueTraits<T> TraitsType; | 501 typedef NativeValueTraits<T> TraitsType; |
502 int length = args.Length(); | 502 int length = args.Length(); |
503 result.reserveInitialCapacity(length); | 503 result.reserveInitialCapacity(length); |
504 for (int i = startIndex; i < length; ++i) | 504 for (int i = startIndex; i < length; ++i) |
505 result.uncheckedAppend(TraitsType::nativeValue(args[i])); | 505 result.uncheckedAppend(TraitsType::nativeValue(args[i])); |
506 return result; | 506 return result; |
507 } | 507 } |
508 | 508 |
509 Vector<v8::Handle<v8::Value> > toVectorOfArguments(const v8::FunctionCallbac kInfo<v8::Value>& args); | 509 Vector<v8::Handle<v8::Value> > toVectorOfArguments(const v8::FunctionCallbac kInfo<v8::Value>& args); |
510 | 510 |
511 // Validates that the passed object is a sequence type per WebIDL spec | 511 // Validates that the passed object is a sequence type per WebIDL spec |
512 // http://www.w3.org/TR/2012/CR-WebIDL-20120419/#es-sequence | 512 // http://www.w3.org/TR/2012/CR-WebIDL-20120419/#es-sequence |
513 inline v8::Handle<v8::Value> toV8Sequence(v8::Handle<v8::Value> value, uint3 2_t& length, v8::Isolate* isolate) | 513 inline v8::Handle<v8::Value> toV8Sequence(v8::Handle<v8::Value> value, uint3 2_t& length, v8::Isolate* isolate, const String& typeErrorMessage) |
514 { | 514 { |
515 // Attempt converting to a sequence if the value is not already an array but is | 515 // Attempt converting to a sequence if the value is not already an array but is |
516 // any kind of object except for a native Date object or a native RegExp object. | 516 // any kind of object except for a native Date object or a native RegExp object. |
517 ASSERT(!value->IsArray()); | 517 ASSERT(!value->IsArray()); |
518 // FIXME: Do we really need to special case Date and RegExp object? | 518 // FIXME: Do we really need to special case Date and RegExp object? |
519 // https://www.w3.org/Bugs/Public/show_bug.cgi?id=22806 | 519 // https://www.w3.org/Bugs/Public/show_bug.cgi?id=22806 |
520 if (!value->IsObject() || value->IsDate() || value->IsRegExp()) { | 520 if (!value->IsObject() || value->IsDate() || value->IsRegExp()) { |
521 throwTypeError(isolate); | 521 throwTypeError(typeErrorMessage, isolate); |
522 return v8Undefined(); | 522 return v8Undefined(); |
523 } | 523 } |
524 | 524 |
525 v8::Local<v8::Value> v8Value(v8::Local<v8::Value>::New(isolate, value)); | 525 v8::Local<v8::Value> v8Value(v8::Local<v8::Value>::New(isolate, value)); |
526 v8::Local<v8::Object> object = v8::Local<v8::Object>::Cast(v8Value); | 526 v8::Local<v8::Object> object = v8::Local<v8::Object>::Cast(v8Value); |
527 | 527 |
528 // FIXME: The specification states that the length property should be us ed as fallback, if value | 528 // FIXME: The specification states that the length property should be us ed as fallback, if value |
529 // is not a platform object that supports indexed properties. If it supp orts indexed properties, | 529 // is not a platform object that supports indexed properties. If it supp orts indexed properties, |
530 // length should actually be one greater than value’s maximum indexed pr operty index. | 530 // length should actually be one greater than value’s maximum indexed pr operty index. |
531 V8TRYCATCH(v8::Local<v8::Value>, lengthValue, object->Get(v8::String::Ne wSymbol("length"))); | 531 V8TRYCATCH(v8::Local<v8::Value>, lengthValue, object->Get(v8::String::Ne wSymbol("length"))); |
532 | 532 |
533 if (lengthValue->IsUndefined() || lengthValue->IsNull()) { | 533 if (lengthValue->IsUndefined() || lengthValue->IsNull()) { |
534 throwTypeError(isolate); | 534 throwTypeError(typeErrorMessage, isolate); |
535 return v8Undefined(); | 535 return v8Undefined(); |
536 } | 536 } |
537 | 537 |
538 V8TRYCATCH(uint32_t, sequenceLength, lengthValue->Int32Value()); | 538 V8TRYCATCH(uint32_t, sequenceLength, lengthValue->Int32Value()); |
539 length = sequenceLength; | 539 length = sequenceLength; |
540 | 540 |
541 return v8Value; | 541 return v8Value; |
542 } | 542 } |
543 | 543 |
544 PassRefPtr<NodeFilter> toNodeFilter(v8::Handle<v8::Value>, v8::Isolate*); | 544 PassRefPtr<NodeFilter> toNodeFilter(v8::Handle<v8::Value>, v8::Isolate*); |
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656 | 656 |
657 v8::Isolate* mainThreadIsolate(); | 657 v8::Isolate* mainThreadIsolate(); |
658 v8::Isolate* toIsolate(ExecutionContext*); | 658 v8::Isolate* toIsolate(ExecutionContext*); |
659 v8::Isolate* toIsolate(Frame*); | 659 v8::Isolate* toIsolate(Frame*); |
660 | 660 |
661 // Can only be called by WebKit::initialize | 661 // Can only be called by WebKit::initialize |
662 void setMainThreadIsolate(v8::Isolate*); | 662 void setMainThreadIsolate(v8::Isolate*); |
663 } // namespace WebCore | 663 } // namespace WebCore |
664 | 664 |
665 #endif // V8Binding_h | 665 #endif // V8Binding_h |
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