1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
|
/*
* Copyright (C) 2009 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef V8PerIsolateData_h
#define V8PerIsolateData_h
#include "bindings/core/v8/ScopedPersistent.h"
#include "bindings/core/v8/ScriptState.h"
#include "bindings/core/v8/V8HiddenValue.h"
#include "bindings/core/v8/WrapperTypeInfo.h"
#include "gin/public/isolate_holder.h"
#include "wtf/HashMap.h"
#include "wtf/OwnPtr.h"
#include "wtf/Vector.h"
#include <v8.h>
namespace blink {
class DOMDataStore;
class GCEventData;
class StringCache;
struct WrapperTypeInfo;
typedef WTF::Vector<DOMDataStore*> DOMDataStoreList;
class V8PerIsolateData {
public:
class EndOfScopeTask {
public:
virtual ~EndOfScopeTask() { }
virtual void run() = 0;
};
static v8::Isolate* initialize();
static V8PerIsolateData* from(v8::Isolate* isolate)
{
ASSERT(isolate);
ASSERT(isolate->GetData(gin::kEmbedderBlink));
return static_cast<V8PerIsolateData*>(isolate->GetData(gin::kEmbedderBlink));
}
static void willBeDestroyed(v8::Isolate*);
static void destroy(v8::Isolate*);
static v8::Isolate* mainThreadIsolate();
bool destructionPending() const { return m_destructionPending; }
v8::Isolate* isolate() { return m_isolateHolder->isolate(); }
v8::Handle<v8::FunctionTemplate> toStringTemplate();
StringCache* stringCache() { return m_stringCache.get(); }
v8::Persistent<v8::Value>& ensureLiveRoot();
int recursionLevel() const { return m_recursionLevel; }
int incrementRecursionLevel() { return ++m_recursionLevel; }
int decrementRecursionLevel() { return --m_recursionLevel; }
bool isHandlingRecursionLevelError() const { return m_isHandlingRecursionLevelError; }
void setIsHandlingRecursionLevelError(bool value) { m_isHandlingRecursionLevelError = value; }
bool isReportingException() const { return m_isReportingException; }
void setReportingException(bool value) { m_isReportingException = value; }
bool performingMicrotaskCheckpoint() const { return m_performingMicrotaskCheckpoint; }
void setPerformingMicrotaskCheckpoint(bool performingMicrotaskCheckpoint) { m_performingMicrotaskCheckpoint = performingMicrotaskCheckpoint; }
#if ENABLE(ASSERT)
int internalScriptRecursionLevel() const { return m_internalScriptRecursionLevel; }
int incrementInternalScriptRecursionLevel() { return ++m_internalScriptRecursionLevel; }
int decrementInternalScriptRecursionLevel() { return --m_internalScriptRecursionLevel; }
#endif
GCEventData* gcEventData() { return m_gcEventData.get(); }
V8HiddenValue* hiddenValue() { return m_hiddenValue.get(); }
v8::Handle<v8::FunctionTemplate> domTemplate(void* domTemplateKey, v8::FunctionCallback = 0, v8::Handle<v8::Value> data = v8::Handle<v8::Value>(), v8::Handle<v8::Signature> = v8::Handle<v8::Signature>(), int length = 0);
v8::Handle<v8::FunctionTemplate> existingDOMTemplate(void* domTemplateKey);
void setDOMTemplate(void* domTemplateKey, v8::Handle<v8::FunctionTemplate>);
bool hasInstance(const WrapperTypeInfo*, v8::Handle<v8::Value>);
v8::Local<v8::Object> findInstanceInPrototypeChain(const WrapperTypeInfo*, v8::Local<v8::Value>);
v8::Local<v8::Context> ensureScriptRegexpContext();
const char* previousSamplingState() const { return m_previousSamplingState; }
void setPreviousSamplingState(const char* name) { m_previousSamplingState = name; }
// EndOfScopeTasks are run by V8RecursionScope when control is returning
// to C++ from script, after executing a script task (e.g. callback,
// event) or microtasks (e.g. promise). This is explicitly needed for
// Indexed DB transactions per spec, but should in general be avoided.
void addEndOfScopeTask(PassOwnPtr<EndOfScopeTask>);
void runEndOfScopeTasks();
void clearEndOfScopeTasks();
private:
V8PerIsolateData();
~V8PerIsolateData();
typedef HashMap<const void*, v8::Eternal<v8::FunctionTemplate> > DOMTemplateMap;
DOMTemplateMap& currentDOMTemplateMap();
bool hasInstance(const WrapperTypeInfo*, v8::Handle<v8::Value>, DOMTemplateMap&);
v8::Local<v8::Object> findInstanceInPrototypeChain(const WrapperTypeInfo*, v8::Local<v8::Value>, DOMTemplateMap&);
bool m_destructionPending;
OwnPtr<gin::IsolateHolder> m_isolateHolder;
DOMTemplateMap m_domTemplateMapForMainWorld;
DOMTemplateMap m_domTemplateMapForNonMainWorld;
ScopedPersistent<v8::FunctionTemplate> m_toStringTemplate;
OwnPtr<StringCache> m_stringCache;
OwnPtr<V8HiddenValue> m_hiddenValue;
ScopedPersistent<v8::Value> m_liveRoot;
RefPtr<ScriptState> m_scriptRegexpScriptState;
const char* m_previousSamplingState;
bool m_constructorMode;
friend class ConstructorMode;
int m_recursionLevel;
bool m_isHandlingRecursionLevelError;
bool m_isReportingException;
#if ENABLE(ASSERT)
int m_internalScriptRecursionLevel;
#endif
OwnPtr<GCEventData> m_gcEventData;
bool m_performingMicrotaskCheckpoint;
Vector<OwnPtr<EndOfScopeTask>> m_endOfScopeTasks;
};
} // namespace blink
#endif // V8PerIsolateData_h
|
