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1 // Copyright 2016 the V8 project authors. All rights reserved. | 1 // Copyright 2016 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "src/inspector/inspected-context.h" | 5 #include "src/inspector/inspected-context.h" |
6 | 6 |
7 #include "src/inspector/injected-script.h" | 7 #include "src/inspector/injected-script.h" |
8 #include "src/inspector/string-util.h" | 8 #include "src/inspector/string-util.h" |
9 #include "src/inspector/v8-console.h" | 9 #include "src/inspector/v8-console.h" |
10 #include "src/inspector/v8-inspector-impl.h" | 10 #include "src/inspector/v8-inspector-impl.h" |
11 #include "src/inspector/v8-value-copier.h" | 11 #include "src/inspector/v8-value-copier.h" |
12 | 12 |
13 #include "include/v8-inspector.h" | 13 #include "include/v8-inspector.h" |
14 | 14 |
15 namespace v8_inspector { | 15 namespace v8_inspector { |
16 | 16 |
17 void InspectedContext::weakCallback( | 17 namespace { |
18 const v8::WeakCallbackInfo<InspectedContext>& data) { | 18 |
19 InspectedContext* context = data.GetParameter(); | 19 void clearContext(const v8::WeakCallbackInfo<v8::Global<v8::Context>>& data) { |
20 if (!context->m_context.IsEmpty()) { | 20 // Inspected context is created in V8InspectorImpl::contextCreated method |
21 context->m_context.Reset(); | 21 // and destroyed in V8InspectorImpl::contextDestroyed. |
22 data.SetSecondPassCallback(&InspectedContext::weakCallback); | 22 // Both methods takes valid v8::Local<v8::Context> handle to the same context, |
23 } else { | 23 // it means that context is created before InspectedContext constructor and is |
24 context->m_inspector->discardInspectedContext(context->m_contextGroupId, | 24 // always destroyed after InspectedContext destructor therefore this callback |
25 context->m_contextId); | 25 // should be never called. |
26 } | 26 // It's possible only if inspector client doesn't call contextDestroyed which |
| 27 // is considered an error. |
| 28 CHECK(false); |
| 29 data.GetParameter()->Reset(); |
27 } | 30 } |
28 | 31 |
29 void InspectedContext::consoleWeakCallback( | 32 } // namespace |
30 const v8::WeakCallbackInfo<InspectedContext>& data) { | |
31 data.GetParameter()->m_console.Reset(); | |
32 } | |
33 | 33 |
34 InspectedContext::InspectedContext(V8InspectorImpl* inspector, | 34 InspectedContext::InspectedContext(V8InspectorImpl* inspector, |
35 const V8ContextInfo& info, int contextId) | 35 const V8ContextInfo& info, int contextId) |
36 : m_inspector(inspector), | 36 : m_inspector(inspector), |
37 m_context(info.context->GetIsolate(), info.context), | 37 m_context(info.context->GetIsolate(), info.context), |
38 m_contextId(contextId), | 38 m_contextId(contextId), |
39 m_contextGroupId(info.contextGroupId), | 39 m_contextGroupId(info.contextGroupId), |
40 m_origin(toString16(info.origin)), | 40 m_origin(toString16(info.origin)), |
41 m_humanReadableName(toString16(info.humanReadableName)), | 41 m_humanReadableName(toString16(info.humanReadableName)), |
42 m_auxData(toString16(info.auxData)), | 42 m_auxData(toString16(info.auxData)), |
43 m_reported(false) { | 43 m_reported(false) { |
44 m_context.SetWeak(this, &InspectedContext::weakCallback, | 44 m_context.SetWeak(&m_context, &clearContext, |
45 v8::WeakCallbackType::kParameter); | 45 v8::WeakCallbackType::kParameter); |
46 | 46 |
47 v8::Isolate* isolate = m_inspector->isolate(); | 47 v8::Isolate* isolate = m_inspector->isolate(); |
48 v8::Local<v8::Object> global = info.context->Global(); | 48 v8::Local<v8::Object> global = info.context->Global(); |
49 v8::Local<v8::Object> console = | 49 v8::Local<v8::Object> console = |
50 V8Console::createConsole(this, info.hasMemoryOnConsole); | 50 V8Console::createConsole(this, info.hasMemoryOnConsole); |
51 if (!global | 51 if (!global |
52 ->Set(info.context, toV8StringInternalized(isolate, "console"), | 52 ->Set(info.context, toV8StringInternalized(isolate, "console"), |
53 console) | 53 console) |
54 .FromMaybe(false)) | 54 .FromMaybe(false)) |
55 return; | 55 return; |
56 m_console.Reset(isolate, console); | 56 m_console.Reset(isolate, console); |
57 m_console.SetWeak(this, &InspectedContext::consoleWeakCallback, | 57 m_console.SetWeak(); |
58 v8::WeakCallbackType::kParameter); | |
59 } | 58 } |
60 | 59 |
61 InspectedContext::~InspectedContext() { | 60 InspectedContext::~InspectedContext() { |
62 if (!m_context.IsEmpty() && !m_console.IsEmpty()) { | 61 if (!m_console.IsEmpty()) { |
63 v8::HandleScope scope(isolate()); | 62 v8::HandleScope scope(isolate()); |
64 V8Console::clearInspectedContextIfNeeded(context(), | 63 V8Console::clearInspectedContextIfNeeded(context(), |
65 m_console.Get(isolate())); | 64 m_console.Get(isolate())); |
66 } | 65 } |
67 } | 66 } |
68 | 67 |
69 v8::Local<v8::Context> InspectedContext::context() const { | 68 v8::Local<v8::Context> InspectedContext::context() const { |
70 return m_context.Get(isolate()); | 69 return m_context.Get(isolate()); |
71 } | 70 } |
72 | 71 |
73 v8::Isolate* InspectedContext::isolate() const { | 72 v8::Isolate* InspectedContext::isolate() const { |
74 return m_inspector->isolate(); | 73 return m_inspector->isolate(); |
75 } | 74 } |
76 | 75 |
77 void InspectedContext::createInjectedScript() { | 76 void InspectedContext::createInjectedScript() { |
78 DCHECK(!m_injectedScript); | 77 DCHECK(!m_injectedScript); |
79 m_injectedScript = InjectedScript::create(this); | 78 m_injectedScript = InjectedScript::create(this); |
80 } | 79 } |
81 | 80 |
82 void InspectedContext::discardInjectedScript() { m_injectedScript.reset(); } | 81 void InspectedContext::discardInjectedScript() { m_injectedScript.reset(); } |
83 | 82 |
84 } // namespace v8_inspector | 83 } // namespace v8_inspector |
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