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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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579 template <class S> | 579 template <class S> |
580 V8_INLINE void Reset(Isolate* isolate, const Handle<S>& other); | 580 V8_INLINE void Reset(Isolate* isolate, const Handle<S>& other); |
581 /** | 581 /** |
582 * If non-empty, destroy the underlying storage cell | 582 * If non-empty, destroy the underlying storage cell |
583 * and create a new one with the contents of other if other is non empty | 583 * and create a new one with the contents of other if other is non empty |
584 */ | 584 */ |
585 template <class S, class M2> | 585 template <class S, class M2> |
586 V8_INLINE void Reset(Isolate* isolate, const Persistent<S, M2>& other); | 586 V8_INLINE void Reset(Isolate* isolate, const Persistent<S, M2>& other); |
587 // TODO(dcarney): deprecate | 587 // TODO(dcarney): deprecate |
588 V8_INLINE void Dispose() { Reset(); } | 588 V8_INLINE void Dispose() { Reset(); } |
589 V8_DEPRECATED(V8_INLINE void Dispose(Isolate* isolate)) { Reset(); } | |
590 | 589 |
591 V8_INLINE bool IsEmpty() const { return val_ == 0; } | 590 V8_INLINE bool IsEmpty() const { return val_ == 0; } |
592 | 591 |
593 // TODO(dcarney): this is pretty useless, fix or remove | 592 // TODO(dcarney): this is pretty useless, fix or remove |
594 template <class S> | 593 template <class S> |
595 V8_INLINE static Persistent<T>& Cast(Persistent<S>& that) { // NOLINT | 594 V8_INLINE static Persistent<T>& Cast(Persistent<S>& that) { // NOLINT |
596 #ifdef V8_ENABLE_CHECKS | 595 #ifdef V8_ENABLE_CHECKS |
597 // If we're going to perform the type check then we have to check | 596 // If we're going to perform the type check then we have to check |
598 // that the handle isn't empty before doing the checked cast. | 597 // that the handle isn't empty before doing the checked cast. |
599 if (!that.IsEmpty()) T::Cast(*that); | 598 if (!that.IsEmpty()) T::Cast(*that); |
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649 typename WeakReferenceCallbacks<S, P>::Revivable callback); | 648 typename WeakReferenceCallbacks<S, P>::Revivable callback); |
650 | 649 |
651 // TODO(dcarney): deprecate | 650 // TODO(dcarney): deprecate |
652 template<typename P> | 651 template<typename P> |
653 V8_INLINE void MakeWeak( | 652 V8_INLINE void MakeWeak( |
654 P* parameter, | 653 P* parameter, |
655 typename WeakReferenceCallbacks<T, P>::Revivable callback); | 654 typename WeakReferenceCallbacks<T, P>::Revivable callback); |
656 | 655 |
657 V8_INLINE void ClearWeak(); | 656 V8_INLINE void ClearWeak(); |
658 | 657 |
659 V8_DEPRECATED(V8_INLINE void ClearWeak(Isolate* isolate)) { ClearWeak(); } | |
660 | |
661 /** | 658 /** |
662 * Marks the reference to this object independent. Garbage collector is free | 659 * Marks the reference to this object independent. Garbage collector is free |
663 * to ignore any object groups containing this object. Weak callback for an | 660 * to ignore any object groups containing this object. Weak callback for an |
664 * independent handle should not assume that it will be preceded by a global | 661 * independent handle should not assume that it will be preceded by a global |
665 * GC prologue callback or followed by a global GC epilogue callback. | 662 * GC prologue callback or followed by a global GC epilogue callback. |
666 */ | 663 */ |
667 V8_INLINE void MarkIndependent(); | 664 V8_INLINE void MarkIndependent(); |
668 | 665 |
669 V8_DEPRECATED(V8_INLINE void MarkIndependent(Isolate* isolate)) { | |
670 MarkIndependent(); | |
671 } | |
672 | |
673 /** | 666 /** |
674 * Marks the reference to this object partially dependent. Partially dependent | 667 * Marks the reference to this object partially dependent. Partially dependent |
675 * handles only depend on other partially dependent handles and these | 668 * handles only depend on other partially dependent handles and these |
676 * dependencies are provided through object groups. It provides a way to build | 669 * dependencies are provided through object groups. It provides a way to build |
677 * smaller object groups for young objects that represent only a subset of all | 670 * smaller object groups for young objects that represent only a subset of all |
678 * external dependencies. This mark is automatically cleared after each | 671 * external dependencies. This mark is automatically cleared after each |
679 * garbage collection. | 672 * garbage collection. |
680 */ | 673 */ |
681 V8_INLINE void MarkPartiallyDependent(); | 674 V8_INLINE void MarkPartiallyDependent(); |
682 | 675 |
683 V8_DEPRECATED(V8_INLINE void MarkPartiallyDependent(Isolate* isolate)) { | |
684 MarkPartiallyDependent(); | |
685 } | |
686 | |
687 V8_INLINE bool IsIndependent() const; | 676 V8_INLINE bool IsIndependent() const; |
688 | 677 |
689 V8_DEPRECATED(V8_INLINE bool IsIndependent(Isolate* isolate) const) { | |
690 return IsIndependent(); | |
691 } | |
692 | |
693 /** Checks if the handle holds the only reference to an object. */ | 678 /** Checks if the handle holds the only reference to an object. */ |
694 V8_INLINE bool IsNearDeath() const; | 679 V8_INLINE bool IsNearDeath() const; |
695 | 680 |
696 V8_DEPRECATED(V8_INLINE bool IsNearDeath(Isolate* isolate) const) { | |
697 return IsNearDeath(); | |
698 } | |
699 | |
700 /** Returns true if the handle's reference is weak. */ | 681 /** Returns true if the handle's reference is weak. */ |
701 V8_INLINE bool IsWeak() const; | 682 V8_INLINE bool IsWeak() const; |
702 | 683 |
703 V8_DEPRECATED(V8_INLINE bool IsWeak(Isolate* isolate) const) { | |
704 return IsWeak(); | |
705 } | |
706 | |
707 /** | 684 /** |
708 * Assigns a wrapper class ID to the handle. See RetainedObjectInfo interface | 685 * Assigns a wrapper class ID to the handle. See RetainedObjectInfo interface |
709 * description in v8-profiler.h for details. | 686 * description in v8-profiler.h for details. |
710 */ | 687 */ |
711 V8_INLINE void SetWrapperClassId(uint16_t class_id); | 688 V8_INLINE void SetWrapperClassId(uint16_t class_id); |
712 | 689 |
713 V8_DEPRECATED( | |
714 V8_INLINE void SetWrapperClassId(Isolate * isolate, uint16_t class_id)) { | |
715 SetWrapperClassId(class_id); | |
716 } | |
717 | |
718 /** | 690 /** |
719 * Returns the class ID previously assigned to this handle or 0 if no class ID | 691 * Returns the class ID previously assigned to this handle or 0 if no class ID |
720 * was previously assigned. | 692 * was previously assigned. |
721 */ | 693 */ |
722 V8_INLINE uint16_t WrapperClassId() const; | 694 V8_INLINE uint16_t WrapperClassId() const; |
723 | 695 |
724 V8_DEPRECATED(V8_INLINE uint16_t WrapperClassId(Isolate* isolate) const) { | |
725 return WrapperClassId(); | |
726 } | |
727 | |
728 // TODO(dcarney): remove | 696 // TODO(dcarney): remove |
729 V8_INLINE T* ClearAndLeak(); | 697 V8_INLINE T* ClearAndLeak(); |
730 | 698 |
731 // TODO(dcarney): remove | 699 // TODO(dcarney): remove |
732 V8_INLINE void Clear() { val_ = 0; } | 700 V8_INLINE void Clear() { val_ = 0; } |
733 | 701 |
734 // TODO(dcarney): remove | 702 // TODO(dcarney): remove |
735 #ifndef V8_ALLOW_ACCESS_TO_RAW_HANDLE_CONSTRUCTOR | 703 #ifndef V8_ALLOW_ACCESS_TO_RAW_HANDLE_CONSTRUCTOR |
736 | 704 |
737 private: | 705 private: |
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1566 */ | 1534 */ |
1567 int Length() const; | 1535 int Length() const; |
1568 | 1536 |
1569 /** | 1537 /** |
1570 * Returns the number of bytes in the UTF-8 encoded | 1538 * Returns the number of bytes in the UTF-8 encoded |
1571 * representation of this string. | 1539 * representation of this string. |
1572 */ | 1540 */ |
1573 int Utf8Length() const; | 1541 int Utf8Length() const; |
1574 | 1542 |
1575 /** | 1543 /** |
1576 * This function is no longer useful. | |
1577 */ | |
1578 V8_DEPRECATED(V8_INLINE bool MayContainNonAscii() const) { return true; } | |
1579 | |
1580 /** | |
1581 * Returns whether this string is known to contain only one byte data. | 1544 * Returns whether this string is known to contain only one byte data. |
1582 * Does not read the string. | 1545 * Does not read the string. |
1583 * False negatives are possible. | 1546 * False negatives are possible. |
1584 */ | 1547 */ |
1585 bool IsOneByte() const; | 1548 bool IsOneByte() const; |
1586 | 1549 |
1587 /** | 1550 /** |
1588 * Returns whether this string contain only one byte data. | 1551 * Returns whether this string contain only one byte data. |
1589 * Will read the entire string in some cases. | 1552 * Will read the entire string in some cases. |
1590 */ | 1553 */ |
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1620 HINT_MANY_WRITES_EXPECTED = 1, | 1583 HINT_MANY_WRITES_EXPECTED = 1, |
1621 NO_NULL_TERMINATION = 2, | 1584 NO_NULL_TERMINATION = 2, |
1622 PRESERVE_ASCII_NULL = 4 | 1585 PRESERVE_ASCII_NULL = 4 |
1623 }; | 1586 }; |
1624 | 1587 |
1625 // 16-bit character codes. | 1588 // 16-bit character codes. |
1626 int Write(uint16_t* buffer, | 1589 int Write(uint16_t* buffer, |
1627 int start = 0, | 1590 int start = 0, |
1628 int length = -1, | 1591 int length = -1, |
1629 int options = NO_OPTIONS) const; | 1592 int options = NO_OPTIONS) const; |
1630 // ASCII characters. | |
1631 V8_DEPRECATED(int WriteAscii(char* buffer, | |
1632 int start = 0, | |
1633 int length = -1, | |
1634 int options = NO_OPTIONS) const); | |
1635 // One byte characters. | 1593 // One byte characters. |
1636 int WriteOneByte(uint8_t* buffer, | 1594 int WriteOneByte(uint8_t* buffer, |
1637 int start = 0, | 1595 int start = 0, |
1638 int length = -1, | 1596 int length = -1, |
1639 int options = NO_OPTIONS) const; | 1597 int options = NO_OPTIONS) const; |
1640 // UTF-8 encoded characters. | 1598 // UTF-8 encoded characters. |
1641 int WriteUtf8(char* buffer, | 1599 int WriteUtf8(char* buffer, |
1642 int length = -1, | 1600 int length = -1, |
1643 int* nchars_ref = NULL, | 1601 int* nchars_ref = NULL, |
1644 int options = NO_OPTIONS) const; | 1602 int options = NO_OPTIONS) const; |
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1755 V8_INLINE ExternalStringResource* GetExternalStringResource() const; | 1713 V8_INLINE ExternalStringResource* GetExternalStringResource() const; |
1756 | 1714 |
1757 /** | 1715 /** |
1758 * Get the ExternalAsciiStringResource for an external ASCII string. | 1716 * Get the ExternalAsciiStringResource for an external ASCII string. |
1759 * Returns NULL if IsExternalAscii() doesn't return true. | 1717 * Returns NULL if IsExternalAscii() doesn't return true. |
1760 */ | 1718 */ |
1761 const ExternalAsciiStringResource* GetExternalAsciiStringResource() const; | 1719 const ExternalAsciiStringResource* GetExternalAsciiStringResource() const; |
1762 | 1720 |
1763 V8_INLINE static String* Cast(v8::Value* obj); | 1721 V8_INLINE static String* Cast(v8::Value* obj); |
1764 | 1722 |
1765 // TODO(dcarney): deprecate | |
1766 /** | 1723 /** |
1767 * Allocates a new string from either UTF-8 encoded or ASCII data. | 1724 * Allocates a new string from either UTF-8 encoded or ASCII data. |
1768 * The second parameter 'length' gives the buffer length. If omitted, | 1725 * The second parameter 'length' gives the buffer length. If omitted, |
1769 * the function calls 'strlen' to determine the buffer length. | 1726 * the function calls 'strlen' to determine the buffer length. |
1770 */ | 1727 */ |
1771 V8_INLINE static Local<String> New(const char* data, int length = -1); | 1728 V8_DEPRECATED( |
| 1729 "Use NewFromOneByte instead", |
| 1730 V8_INLINE static Local<String> New(const char* data, int length = -1)); |
1772 | 1731 |
1773 // TODO(dcarney): deprecate | |
1774 /** Allocates a new string from 16-bit character codes.*/ | 1732 /** Allocates a new string from 16-bit character codes.*/ |
1775 V8_INLINE static Local<String> New(const uint16_t* data, int length = -1); | 1733 V8_DEPRECATED( |
| 1734 "Use NewFromTwoByte instead", |
| 1735 V8_INLINE static Local<String> New( |
| 1736 const uint16_t* data, int length = -1)); |
1776 | 1737 |
1777 // TODO(dcarney): deprecate | |
1778 /** | 1738 /** |
1779 * Creates an internalized string (historically called a "symbol", | 1739 * Creates an internalized string (historically called a "symbol", |
1780 * not to be confused with ES6 symbols). Returns one if it exists already. | 1740 * not to be confused with ES6 symbols). Returns one if it exists already. |
1781 */ | 1741 */ |
1782 V8_INLINE static Local<String> NewSymbol(const char* data, int length = -1); | 1742 V8_DEPRECATED( |
| 1743 "Use NewFromUtf8 instead", |
| 1744 V8_INLINE static Local<String> NewSymbol( |
| 1745 const char* data, int length = -1)); |
1783 | 1746 |
1784 enum NewStringType { | 1747 enum NewStringType { |
1785 kNormalString, kInternalizedString, kUndetectableString | 1748 kNormalString, kInternalizedString, kUndetectableString |
1786 }; | 1749 }; |
1787 | 1750 |
1788 /** Allocates a new string from UTF-8 data.*/ | 1751 /** Allocates a new string from UTF-8 data.*/ |
1789 static Local<String> NewFromUtf8(Isolate* isolate, | 1752 static Local<String> NewFromUtf8(Isolate* isolate, |
1790 const char* data, | 1753 const char* data, |
1791 NewStringType type = kNormalString, | 1754 NewStringType type = kNormalString, |
1792 int length = -1); | 1755 int length = -1); |
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4583 static void SetEntropySource(EntropySource source); | 4546 static void SetEntropySource(EntropySource source); |
4584 | 4547 |
4585 /** | 4548 /** |
4586 * Allows the host application to provide a callback that allows v8 to | 4549 * Allows the host application to provide a callback that allows v8 to |
4587 * cooperate with a profiler that rewrites return addresses on stack. | 4550 * cooperate with a profiler that rewrites return addresses on stack. |
4588 */ | 4551 */ |
4589 static void SetReturnAddressLocationResolver( | 4552 static void SetReturnAddressLocationResolver( |
4590 ReturnAddressLocationResolver return_address_resolver); | 4553 ReturnAddressLocationResolver return_address_resolver); |
4591 | 4554 |
4592 /** | 4555 /** |
4593 * Deprecated, use the variant with the Isolate parameter below instead. | |
4594 */ | |
4595 V8_DEPRECATED(static bool SetFunctionEntryHook(FunctionEntryHook entry_hook)); | |
4596 | |
4597 /** | |
4598 * Allows the host application to provide the address of a function that's | 4556 * Allows the host application to provide the address of a function that's |
4599 * invoked on entry to every V8-generated function. | 4557 * invoked on entry to every V8-generated function. |
4600 * Note that \p entry_hook is invoked at the very start of each | 4558 * Note that \p entry_hook is invoked at the very start of each |
4601 * generated function. | 4559 * generated function. |
4602 * | 4560 * |
4603 * \param isolate the isolate to operate on. | 4561 * \param isolate the isolate to operate on. |
4604 * \param entry_hook a function that will be invoked on entry to every | 4562 * \param entry_hook a function that will be invoked on entry to every |
4605 * V8-generated function. | 4563 * V8-generated function. |
4606 * \returns true on success on supported platforms, false on failure. | 4564 * \returns true on success on supported platforms, false on failure. |
4607 * \note Setting an entry hook can only be done very early in an isolates | 4565 * \note Setting an entry hook can only be done very early in an isolates |
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4684 * Releases any resources used by v8 and stops any utility threads | 4642 * Releases any resources used by v8 and stops any utility threads |
4685 * that may be running. Note that disposing v8 is permanent, it | 4643 * that may be running. Note that disposing v8 is permanent, it |
4686 * cannot be reinitialized. | 4644 * cannot be reinitialized. |
4687 * | 4645 * |
4688 * It should generally not be necessary to dispose v8 before exiting | 4646 * It should generally not be necessary to dispose v8 before exiting |
4689 * a process, this should happen automatically. It is only necessary | 4647 * a process, this should happen automatically. It is only necessary |
4690 * to use if the process needs the resources taken up by v8. | 4648 * to use if the process needs the resources taken up by v8. |
4691 */ | 4649 */ |
4692 static bool Dispose(); | 4650 static bool Dispose(); |
4693 | 4651 |
4694 /** Deprecated. Use Isolate::GetHeapStatistics instead. */ | |
4695 V8_DEPRECATED(static void GetHeapStatistics(HeapStatistics* heap_statistics)); | |
4696 | |
4697 /** | 4652 /** |
4698 * Iterates through all external resources referenced from current isolate | 4653 * Iterates through all external resources referenced from current isolate |
4699 * heap. GC is not invoked prior to iterating, therefore there is no | 4654 * heap. GC is not invoked prior to iterating, therefore there is no |
4700 * guarantee that visited objects are still alive. | 4655 * guarantee that visited objects are still alive. |
4701 */ | 4656 */ |
4702 static void VisitExternalResources(ExternalResourceVisitor* visitor); | 4657 static void VisitExternalResources(ExternalResourceVisitor* visitor); |
4703 | 4658 |
4704 /** | 4659 /** |
4705 * Iterates through all the persistent handles in the current isolate's heap | 4660 * Iterates through all the persistent handles in the current isolate's heap |
4706 * that have class_ids. | 4661 * that have class_ids. |
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4984 * created by a previous call to Context::New with the same global | 4939 * created by a previous call to Context::New with the same global |
4985 * template. The state of the global object will be completely reset | 4940 * template. The state of the global object will be completely reset |
4986 * and only object identify will remain. | 4941 * and only object identify will remain. |
4987 */ | 4942 */ |
4988 static Local<Context> New( | 4943 static Local<Context> New( |
4989 Isolate* isolate, | 4944 Isolate* isolate, |
4990 ExtensionConfiguration* extensions = NULL, | 4945 ExtensionConfiguration* extensions = NULL, |
4991 Handle<ObjectTemplate> global_template = Handle<ObjectTemplate>(), | 4946 Handle<ObjectTemplate> global_template = Handle<ObjectTemplate>(), |
4992 Handle<Value> global_object = Handle<Value>()); | 4947 Handle<Value> global_object = Handle<Value>()); |
4993 | 4948 |
4994 // TODO(dcarney): Remove this function. | 4949 V8_DEPRECATED("Use Isolate::GetEnteredContext instead", |
4995 /** Deprecated. Use Isolate::GetEnteredContext */ | 4950 static Local<Context> GetEntered()); |
4996 static Local<Context> GetEntered(); | |
4997 | 4951 |
4998 // TODO(dcarney) Remove this function. | 4952 V8_DEPRECATED("Use Isolate::GetCurrentContext instead", |
4999 /** Deprecated. Use Isolate::GetCurrentContext instead. */ | 4953 static Local<Context> GetCurrent()); |
5000 static Local<Context> GetCurrent(); | |
5001 | 4954 |
5002 // TODO(dcarney) Remove this function. | 4955 V8_DEPRECATED("Use Isolate::GetCallingContext instead", |
5003 /** Deprecated. Use Isolate::GetCallingContext instead. */ | 4956 static Local<Context> GetCalling()); |
5004 static Local<Context> GetCalling(); | |
5005 | 4957 |
5006 /** | 4958 /** |
5007 * Sets the security token for the context. To access an object in | 4959 * Sets the security token for the context. To access an object in |
5008 * another context, the security tokens must match. | 4960 * another context, the security tokens must match. |
5009 */ | 4961 */ |
5010 void SetSecurityToken(Handle<Value> token); | 4962 void SetSecurityToken(Handle<Value> token); |
5011 | 4963 |
5012 /** Restores the security token to the default value. */ | 4964 /** Restores the security token to the default value. */ |
5013 void UseDefaultSecurityToken(); | 4965 void UseDefaultSecurityToken(); |
5014 | 4966 |
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6502 */ | 6454 */ |
6503 | 6455 |
6504 | 6456 |
6505 } // namespace v8 | 6457 } // namespace v8 |
6506 | 6458 |
6507 | 6459 |
6508 #undef TYPE_CHECK | 6460 #undef TYPE_CHECK |
6509 | 6461 |
6510 | 6462 |
6511 #endif // V8_H_ | 6463 #endif // V8_H_ |
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