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Side by Side Diff: src/handles-inl.h

Issue 18707: Split handle scopes into an internal version and a version accessible... (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/
Patch Set: '' Created 11 years, 11 months ago
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1 // Copyright 2006-2008 the V8 project authors. All rights reserved. 1 // Copyright 2006-2008 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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22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 // 27 //
28 28
29 #ifndef V8_HANDLES_INL_H_ 29 #ifndef V8_HANDLES_INL_H_
30 #define V8_HANDLES_INL_H_ 30 #define V8_HANDLES_INL_H_
31 31
32 #include "apiutils.h"
32 #include "handles.h" 33 #include "handles.h"
33 #include "api.h" 34 #include "api.h"
34 35
35 namespace v8 { namespace internal { 36 namespace v8 { namespace internal {
36 37
37 template<class T> 38 template<class T>
38 Handle<T>::Handle(T* obj) { 39 Handle<T>::Handle(T* obj) {
39 ASSERT(!obj->IsFailure()); 40 ASSERT(!obj->IsFailure());
40 location_ = reinterpret_cast<T**>(HandleScope::CreateHandle(obj)); 41 location_ = reinterpret_cast<T**>(HandleScope::CreateHandle(obj));
41 } 42 }
42 43
43 44
44 template <class T> 45 template <class T>
45 inline T* Handle<T>::operator*() const { 46 inline T* Handle<T>::operator*() const {
46 ASSERT(location_ != NULL); 47 ASSERT(location_ != NULL);
47 ASSERT(reinterpret_cast<Address>(*location_) != kHandleZapValue); 48 ASSERT(reinterpret_cast<Address>(*location_) != kHandleZapValue);
48 return *location_; 49 return *location_;
49 } 50 }
50 51
51 52
52 #ifdef DEBUG 53 #ifdef DEBUG
53 inline NoHandleAllocation::NoHandleAllocation() { 54 inline NoHandleAllocation::NoHandleAllocation() {
54 ImplementationUtilities::HandleScopeData* current = 55 v8::ImplementationUtilities::HandleScopeData* current =
55 ImplementationUtilities::CurrentHandleScope(); 56 v8::ImplementationUtilities::CurrentHandleScope();
56 extensions_ = current->extensions; 57 extensions_ = current->extensions;
57 // Shrink the current handle scope to make it impossible to do 58 // Shrink the current handle scope to make it impossible to do
58 // handle allocations without an explicit handle scope. 59 // handle allocations without an explicit handle scope.
59 current->limit = current->next; 60 current->limit = current->next;
60 current->extensions = -1; 61 current->extensions = -1;
61 } 62 }
62 63
63 64
64 inline NoHandleAllocation::~NoHandleAllocation() { 65 inline NoHandleAllocation::~NoHandleAllocation() {
65 // Restore state in current handle scope to re-enable handle 66 // Restore state in current handle scope to re-enable handle
66 // allocations. 67 // allocations.
67 ImplementationUtilities::CurrentHandleScope()->extensions = extensions_; 68 v8::ImplementationUtilities::CurrentHandleScope()->extensions = extensions_;
68 } 69 }
69 #endif 70 #endif
70 71
71 72
72 } } // namespace v8::internal 73 } } // namespace v8::internal
73 74
74 #endif // V8_HANDLES_INL_H_ 75 #endif // V8_HANDLES_INL_H_
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