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Side by Side Diff: include/v8-debug.h

Issue 1224623004: Make v8::Handle as "deprecated soon" (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 5 years, 5 months ago
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1 // Copyright 2008 the V8 project authors. All rights reserved. 1 // Copyright 2008 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 #ifndef V8_V8_DEBUG_H_ 5 #ifndef V8_V8_DEBUG_H_
6 #define V8_V8_DEBUG_H_ 6 #define V8_V8_DEBUG_H_
7 7
8 #include "v8.h" 8 #include "v8.h"
9 9
10 /** 10 /**
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53 * Indicate whether this is a response to a continue command which will 53 * Indicate whether this is a response to a continue command which will
54 * start the VM running after this is processed. 54 * start the VM running after this is processed.
55 */ 55 */
56 virtual bool WillStartRunning() const = 0; 56 virtual bool WillStartRunning() const = 0;
57 57
58 /** 58 /**
59 * Access to execution state and event data. Don't store these cross 59 * Access to execution state and event data. Don't store these cross
60 * callbacks as their content becomes invalid. These objects are from the 60 * callbacks as their content becomes invalid. These objects are from the
61 * debugger event that started the debug message loop. 61 * debugger event that started the debug message loop.
62 */ 62 */
63 virtual Handle<Object> GetExecutionState() const = 0; 63 virtual Local<Object> GetExecutionState() const = 0;
64 virtual Handle<Object> GetEventData() const = 0; 64 virtual Local<Object> GetEventData() const = 0;
65 65
66 /** 66 /**
67 * Get the debugger protocol JSON. 67 * Get the debugger protocol JSON.
68 */ 68 */
69 virtual Handle<String> GetJSON() const = 0; 69 virtual Local<String> GetJSON() const = 0;
70 70
71 /** 71 /**
72 * Get the context active when the debug event happened. Note this is not 72 * Get the context active when the debug event happened. Note this is not
73 * the current active context as the JavaScript part of the debugger is 73 * the current active context as the JavaScript part of the debugger is
74 * running in its own context which is entered at this point. 74 * running in its own context which is entered at this point.
75 */ 75 */
76 virtual Handle<Context> GetEventContext() const = 0; 76 virtual Local<Context> GetEventContext() const = 0;
77 77
78 /** 78 /**
79 * Client data passed with the corresponding request if any. This is the 79 * Client data passed with the corresponding request if any. This is the
80 * client_data data value passed into Debug::SendCommand along with the 80 * client_data data value passed into Debug::SendCommand along with the
81 * request that led to the message or NULL if the message is an event. The 81 * request that led to the message or NULL if the message is an event. The
82 * debugger takes ownership of the data and will delete it even if there is 82 * debugger takes ownership of the data and will delete it even if there is
83 * no message handler. 83 * no message handler.
84 */ 84 */
85 virtual ClientData* GetClientData() const = 0; 85 virtual ClientData* GetClientData() const = 0;
86 86
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97 public: 97 public:
98 /** 98 /**
99 * Event type. 99 * Event type.
100 */ 100 */
101 virtual DebugEvent GetEvent() const = 0; 101 virtual DebugEvent GetEvent() const = 0;
102 102
103 /** 103 /**
104 * Access to execution state and event data of the debug event. Don't store 104 * Access to execution state and event data of the debug event. Don't store
105 * these cross callbacks as their content becomes invalid. 105 * these cross callbacks as their content becomes invalid.
106 */ 106 */
107 virtual Handle<Object> GetExecutionState() const = 0; 107 virtual Local<Object> GetExecutionState() const = 0;
108 virtual Handle<Object> GetEventData() const = 0; 108 virtual Local<Object> GetEventData() const = 0;
109 109
110 /** 110 /**
111 * Get the context active when the debug event happened. Note this is not 111 * Get the context active when the debug event happened. Note this is not
112 * the current active context as the JavaScript part of the debugger is 112 * the current active context as the JavaScript part of the debugger is
113 * running in its own context which is entered at this point. 113 * running in its own context which is entered at this point.
114 */ 114 */
115 virtual Handle<Context> GetEventContext() const = 0; 115 virtual Local<Context> GetEventContext() const = 0;
116 116
117 /** 117 /**
118 * Client data passed with the corresponding callback when it was 118 * Client data passed with the corresponding callback when it was
119 * registered. 119 * registered.
120 */ 120 */
121 virtual Handle<Value> GetCallbackData() const = 0; 121 virtual Local<Value> GetCallbackData() const = 0;
122 122
123 /** 123 /**
124 * Client data passed to DebugBreakForCommand function. The 124 * Client data passed to DebugBreakForCommand function. The
125 * debugger takes ownership of the data and will delete it even if 125 * debugger takes ownership of the data and will delete it even if
126 * there is no message handler. 126 * there is no message handler.
127 */ 127 */
128 virtual ClientData* GetClientData() const = 0; 128 virtual ClientData* GetClientData() const = 0;
129 129
130 virtual ~EventDetails() {} 130 virtual ~EventDetails() {}
131 }; 131 };
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149 * and must not rely on the data persisting after the handler returns. 149 * and must not rely on the data persisting after the handler returns.
150 */ 150 */
151 typedef void (*MessageHandler)(const Message& message); 151 typedef void (*MessageHandler)(const Message& message);
152 152
153 /** 153 /**
154 * Callback function for the host to ensure debug messages are processed. 154 * Callback function for the host to ensure debug messages are processed.
155 */ 155 */
156 typedef void (*DebugMessageDispatchHandler)(); 156 typedef void (*DebugMessageDispatchHandler)();
157 157
158 static bool SetDebugEventListener(EventCallback that, 158 static bool SetDebugEventListener(EventCallback that,
159 Handle<Value> data = Handle<Value>()); 159 Local<Value> data = Local<Value>());
160 160
161 // Schedule a debugger break to happen when JavaScript code is run 161 // Schedule a debugger break to happen when JavaScript code is run
162 // in the given isolate. 162 // in the given isolate.
163 static void DebugBreak(Isolate* isolate); 163 static void DebugBreak(Isolate* isolate);
164 164
165 // Remove scheduled debugger break in given isolate if it has not 165 // Remove scheduled debugger break in given isolate if it has not
166 // happened yet. 166 // happened yet.
167 static void CancelDebugBreak(Isolate* isolate); 167 static void CancelDebugBreak(Isolate* isolate);
168 168
169 // Check if a debugger break is scheduled in the given isolate. 169 // Check if a debugger break is scheduled in the given isolate.
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189 * v8::Debug::Call will return the current line of JavaScript execution. 189 * v8::Debug::Call will return the current line of JavaScript execution.
190 * 190 *
191 * \code 191 * \code
192 * function frame_source_line(exec_state) { 192 * function frame_source_line(exec_state) {
193 * return exec_state.frame(0).sourceLine(); 193 * return exec_state.frame(0).sourceLine();
194 * } 194 * }
195 * \endcode 195 * \endcode
196 */ 196 */
197 static V8_DEPRECATE_SOON( 197 static V8_DEPRECATE_SOON(
198 "Use maybe version", 198 "Use maybe version",
199 Local<Value> Call(v8::Handle<v8::Function> fun, 199 Local<Value> Call(v8::Local<v8::Function> fun,
200 Handle<Value> data = Handle<Value>())); 200 Local<Value> data = Local<Value>()));
201 // TODO(dcarney): data arg should be a MaybeLocal 201 // TODO(dcarney): data arg should be a MaybeLocal
202 static MaybeLocal<Value> Call(Local<Context> context, 202 static MaybeLocal<Value> Call(Local<Context> context,
203 v8::Handle<v8::Function> fun, 203 v8::Local<v8::Function> fun,
204 Handle<Value> data = Handle<Value>()); 204 Local<Value> data = Local<Value>());
205 205
206 /** 206 /**
207 * Returns a mirror object for the given object. 207 * Returns a mirror object for the given object.
208 */ 208 */
209 static V8_DEPRECATE_SOON("Use maybe version", 209 static V8_DEPRECATE_SOON("Use maybe version",
210 Local<Value> GetMirror(v8::Handle<v8::Value> obj)); 210 Local<Value> GetMirror(v8::Local<v8::Value> obj));
211 static MaybeLocal<Value> GetMirror(Local<Context> context, 211 static MaybeLocal<Value> GetMirror(Local<Context> context,
212 v8::Handle<v8::Value> obj); 212 v8::Local<v8::Value> obj);
213 213
214 /** 214 /**
215 * Makes V8 process all pending debug messages. 215 * Makes V8 process all pending debug messages.
216 * 216 *
217 * From V8 point of view all debug messages come asynchronously (e.g. from 217 * From V8 point of view all debug messages come asynchronously (e.g. from
218 * remote debugger) but they all must be handled synchronously: V8 cannot 218 * remote debugger) but they all must be handled synchronously: V8 cannot
219 * do 2 things at one time so normal script execution must be interrupted 219 * do 2 things at one time so normal script execution must be interrupted
220 * for a while. 220 * for a while.
221 * 221 *
222 * Generally when message arrives V8 may be in one of 3 states: 222 * Generally when message arrives V8 may be in one of 3 states:
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271 }; 271 };
272 272
273 273
274 } // namespace v8 274 } // namespace v8
275 275
276 276
277 #undef EXPORT 277 #undef EXPORT
278 278
279 279
280 #endif // V8_V8_DEBUG_H_ 280 #endif // V8_V8_DEBUG_H_
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