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1 /* | |
2 * Copyright (C) 2009 Google Inc. All rights reserved. | |
3 * | |
4 * Redistribution and use in source and binary forms, with or without | |
5 * modification, are permitted provided that the following conditions | |
6 * are met: | |
7 * 1. Redistributions of source code must retain the above copyright | |
8 * notice, this list of conditions and the following disclaimer. | |
9 * 2. Redistributions in binary form must reproduce the above copyright | |
10 * notice, this list of conditions and the following disclaimer in the | |
11 * documentation and/or other materials provided with the distribution. | |
12 * | |
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' | |
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, | |
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS | |
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | |
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | |
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | |
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | |
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF | |
23 * THE POSSIBILITY OF SUCH DAMAGE. | |
24 */ | |
25 | |
26 #ifndef V8PerIsolateData_h | |
27 #define V8PerIsolateData_h | |
28 | |
29 #include "bindings/v8/ScopedPersistent.h" | |
30 #include "bindings/v8/ScriptState.h" | |
31 #include "bindings/v8/V8HiddenValue.h" | |
32 #include "bindings/v8/WrapperTypeInfo.h" | |
33 #include "gin/public/gin_embedders.h" | |
34 #include "gin/public/isolate_holder.h" | |
35 #include <v8.h> | |
36 #include "wtf/Forward.h" | |
37 #include "wtf/HashMap.h" | |
38 #include "wtf/OwnPtr.h" | |
39 #include "wtf/Vector.h" | |
40 | |
41 namespace WebCore { | |
42 | |
43 class DOMDataStore; | |
44 class GCEventData; | |
45 class StringCache; | |
46 struct WrapperTypeInfo; | |
47 | |
48 class ExternalStringVisitor; | |
49 | |
50 typedef WTF::Vector<DOMDataStore*> DOMDataStoreList; | |
51 | |
52 class V8PerIsolateData { | |
53 public: | |
54 static void ensureInitialized(v8::Isolate*); | |
55 static V8PerIsolateData* from(v8::Isolate* isolate) | |
56 { | |
57 ASSERT(isolate); | |
58 ASSERT(isolate->GetData(gin::kEmbedderBlink)); | |
59 return static_cast<V8PerIsolateData*>(isolate->GetData(gin::kEmbedderBli
nk)); | |
60 } | |
61 static void dispose(v8::Isolate*); | |
62 static v8::Isolate* mainThreadIsolate(); | |
63 | |
64 v8::Isolate* isolate() { return m_isolate; } | |
65 | |
66 v8::Handle<v8::FunctionTemplate> toStringTemplate(); | |
67 | |
68 StringCache* stringCache() { return m_stringCache.get(); } | |
69 | |
70 v8::Persistent<v8::Value>& ensureLiveRoot(); | |
71 | |
72 int recursionLevel() const { return m_recursionLevel; } | |
73 int incrementRecursionLevel() { return ++m_recursionLevel; } | |
74 int decrementRecursionLevel() { return --m_recursionLevel; } | |
75 | |
76 bool performingMicrotaskCheckpoint() const { return m_performingMicrotaskChe
ckpoint; } | |
77 void setPerformingMicrotaskCheckpoint(bool performingMicrotaskCheckpoint) {
m_performingMicrotaskCheckpoint = performingMicrotaskCheckpoint; } | |
78 | |
79 #ifndef NDEBUG | |
80 int internalScriptRecursionLevel() const { return m_internalScriptRecursionL
evel; } | |
81 int incrementInternalScriptRecursionLevel() { return ++m_internalScriptRecur
sionLevel; } | |
82 int decrementInternalScriptRecursionLevel() { return --m_internalScriptRecur
sionLevel; } | |
83 #endif | |
84 | |
85 GCEventData* gcEventData() { return m_gcEventData.get(); } | |
86 V8HiddenValue* hiddenValue() { return m_hiddenValue.get(); } | |
87 | |
88 v8::Handle<v8::FunctionTemplate> domTemplate(void* domTemplateKey, v8::Funct
ionCallback = 0, v8::Handle<v8::Value> data = v8::Handle<v8::Value>(), v8::Handl
e<v8::Signature> = v8::Handle<v8::Signature>(), int length = 0); | |
89 v8::Handle<v8::FunctionTemplate> existingDOMTemplate(void* domTemplateKey); | |
90 void setDOMTemplate(void* domTemplateKey, v8::Handle<v8::FunctionTemplate>); | |
91 | |
92 bool hasInstance(const WrapperTypeInfo*, v8::Handle<v8::Value>); | |
93 v8::Handle<v8::Object> findInstanceInPrototypeChain(const WrapperTypeInfo*,
v8::Handle<v8::Value>); | |
94 | |
95 v8::Local<v8::Context> ensureScriptRegexpContext(); | |
96 | |
97 const char* previousSamplingState() const { return m_previousSamplingState;
} | |
98 void setPreviousSamplingState(const char* name) { m_previousSamplingState =
name; } | |
99 | |
100 private: | |
101 explicit V8PerIsolateData(v8::Isolate*); | |
102 ~V8PerIsolateData(); | |
103 | |
104 typedef HashMap<const void*, v8::Eternal<v8::FunctionTemplate> > DOMTemplate
Map; | |
105 DOMTemplateMap& currentDOMTemplateMap(); | |
106 bool hasInstance(const WrapperTypeInfo*, v8::Handle<v8::Value>, DOMTemplateM
ap&); | |
107 v8::Handle<v8::Object> findInstanceInPrototypeChain(const WrapperTypeInfo*,
v8::Handle<v8::Value>, DOMTemplateMap&); | |
108 | |
109 v8::Isolate* m_isolate; | |
110 OwnPtr<gin::IsolateHolder> m_isolateHolder; | |
111 DOMTemplateMap m_domTemplateMapForMainWorld; | |
112 DOMTemplateMap m_domTemplateMapForNonMainWorld; | |
113 ScopedPersistent<v8::FunctionTemplate> m_toStringTemplate; | |
114 OwnPtr<StringCache> m_stringCache; | |
115 OwnPtr<V8HiddenValue> m_hiddenValue; | |
116 ScopedPersistent<v8::Value> m_liveRoot; | |
117 RefPtr<ScriptState> m_scriptRegexpScriptState; | |
118 | |
119 const char* m_previousSamplingState; | |
120 | |
121 bool m_constructorMode; | |
122 friend class ConstructorMode; | |
123 | |
124 int m_recursionLevel; | |
125 | |
126 #ifndef NDEBUG | |
127 int m_internalScriptRecursionLevel; | |
128 #endif | |
129 OwnPtr<GCEventData> m_gcEventData; | |
130 bool m_performingMicrotaskCheckpoint; | |
131 }; | |
132 | |
133 } // namespace WebCore | |
134 | |
135 #endif // V8PerIsolateData_h | |
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