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| 1 /* | |
| 2 * Copyright (c) 2010, 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 are | |
| 6 * met: | |
| 7 * | |
| 8 * * Redistributions of source code must retain the above copyright | |
| 9 * notice, this list of conditions and the following disclaimer. | |
| 10 * * Redistributions in binary form must reproduce the above | |
| 11 * copyright notice, this list of conditions and the following disclaimer | |
| 12 * in the documentation and/or other materials provided with the | |
| 13 * distribution. | |
| 14 * * Neither the name of Google Inc. nor the names of its | |
| 15 * contributors may be used to endorse or promote products derived from | |
| 16 * this software without specific prior written permission. | |
| 17 * | |
| 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
| 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
| 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
| 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 29 */ | |
| 30 | |
| 31 #ifndef ScriptDebugServer_h | |
| 32 #define ScriptDebugServer_h | |
| 33 | |
| 34 #include "bindings/v8/ScopedPersistent.h" | |
| 35 #include "core/InspectorBackendDispatcher.h" | |
| 36 #include "core/inspector/ScriptBreakpoint.h" | |
| 37 #include "core/inspector/ScriptCallStack.h" | |
| 38 #include "core/inspector/ScriptDebugListener.h" | |
| 39 #include "wtf/HashMap.h" | |
| 40 #include "wtf/Noncopyable.h" | |
| 41 #include "wtf/PassOwnPtr.h" | |
| 42 #include "wtf/Vector.h" | |
| 43 #include "wtf/text/StringHash.h" | |
| 44 #include "wtf/text/WTFString.h" | |
| 45 #include <v8-debug.h> | |
| 46 #include <v8.h> | |
| 47 | |
| 48 namespace WebCore { | |
| 49 | |
| 50 class ScriptState; | |
| 51 class ScriptController; | |
| 52 class ScriptDebugListener; | |
| 53 class ScriptSourceCode; | |
| 54 class ScriptValue; | |
| 55 class JavaScriptCallFrame; | |
| 56 | |
| 57 class ScriptDebugServer { | |
| 58 WTF_MAKE_NONCOPYABLE(ScriptDebugServer); | |
| 59 public: | |
| 60 String setBreakpoint(const String& sourceID, const ScriptBreakpoint&, int* a
ctualLineNumber, int* actualColumnNumber, bool interstatementLocation); | |
| 61 void removeBreakpoint(const String& breakpointId); | |
| 62 void clearBreakpoints(); | |
| 63 void setBreakpointsActivated(bool activated); | |
| 64 | |
| 65 enum PauseOnExceptionsState { | |
| 66 DontPauseOnExceptions, | |
| 67 PauseOnAllExceptions, | |
| 68 PauseOnUncaughtExceptions | |
| 69 }; | |
| 70 PauseOnExceptionsState pauseOnExceptionsState(); | |
| 71 void setPauseOnExceptionsState(PauseOnExceptionsState pauseOnExceptionsState
); | |
| 72 | |
| 73 void setPauseOnNextStatement(bool pause); | |
| 74 bool canBreakProgram(); | |
| 75 void breakProgram(); | |
| 76 void continueProgram(); | |
| 77 void stepIntoStatement(); | |
| 78 void stepOverStatement(); | |
| 79 void stepOutOfFunction(); | |
| 80 | |
| 81 bool setScriptSource(const String& sourceID, const String& newContent, bool
preview, String* error, RefPtr<TypeBuilder::Debugger::SetScriptSourceError>&, Sc
riptValue* newCallFrames, RefPtr<JSONObject>* result); | |
| 82 ScriptValue currentCallFrames(); | |
| 83 ScriptValue currentCallFramesForAsyncStack(); | |
| 84 PassRefPtrWillBeRawPtr<JavaScriptCallFrame> topCallFrameNoScopes(); | |
| 85 int frameCount(); | |
| 86 | |
| 87 class Task { | |
| 88 public: | |
| 89 virtual ~Task() { } | |
| 90 virtual void run() = 0; | |
| 91 }; | |
| 92 static void interruptAndRun(PassOwnPtr<Task>, v8::Isolate*); | |
| 93 void runPendingTasks(); | |
| 94 | |
| 95 bool isPaused(); | |
| 96 bool runningNestedMessageLoop() { return m_runningNestedMessageLoop; } | |
| 97 | |
| 98 v8::Local<v8::Value> functionScopes(v8::Handle<v8::Function>); | |
| 99 v8::Local<v8::Value> getInternalProperties(v8::Handle<v8::Object>&); | |
| 100 v8::Handle<v8::Value> setFunctionVariableValue(v8::Handle<v8::Value> functio
nValue, int scopeNumber, const String& variableName, v8::Handle<v8::Value> newVa
lue); | |
| 101 v8::Local<v8::Value> callDebuggerMethod(const char* functionName, int argc,
v8::Handle<v8::Value> argv[]); | |
| 102 | |
| 103 virtual void compileScript(ScriptState*, const String& expression, const Str
ing& sourceURL, String* scriptId, String* exceptionDetailsText, int* lineNumber,
int* columnNumber, RefPtrWillBeRawPtr<ScriptCallStack>* stackTrace); | |
| 104 virtual void clearCompiledScripts(); | |
| 105 virtual void runScript(ScriptState*, const String& scriptId, ScriptValue* re
sult, bool* wasThrown, String* exceptionDetailsText, int* lineNumber, int* colum
nNumber, RefPtrWillBeRawPtr<ScriptCallStack>* stackTrace); | |
| 106 virtual void setPreprocessorSource(const String&) { } | |
| 107 virtual void preprocessBeforeCompile(const v8::Debug::EventDetails&) { } | |
| 108 virtual PassOwnPtr<ScriptSourceCode> preprocess(LocalFrame*, const ScriptSou
rceCode&); | |
| 109 virtual String preprocessEventListener(LocalFrame*, const String& source, co
nst String& url, const String& functionName); | |
| 110 | |
| 111 virtual void muteWarningsAndDeprecations() { } | |
| 112 virtual void unmuteWarningsAndDeprecations() { } | |
| 113 | |
| 114 protected: | |
| 115 explicit ScriptDebugServer(v8::Isolate*); | |
| 116 virtual ~ScriptDebugServer(); | |
| 117 | |
| 118 virtual ScriptDebugListener* getDebugListenerForContext(v8::Handle<v8::Conte
xt>) = 0; | |
| 119 virtual void runMessageLoopOnPause(v8::Handle<v8::Context>) = 0; | |
| 120 virtual void quitMessageLoopOnPause() = 0; | |
| 121 | |
| 122 static void breakProgramCallback(const v8::FunctionCallbackInfo<v8::Value>&)
; | |
| 123 void handleProgramBreak(ScriptState* pausedScriptState, v8::Handle<v8::Objec
t> executionState, v8::Handle<v8::Value> exception, v8::Handle<v8::Array> hitBre
akpoints); | |
| 124 | |
| 125 static void v8DebugEventCallback(const v8::Debug::EventDetails& eventDetails
); | |
| 126 void handleV8DebugEvent(const v8::Debug::EventDetails& eventDetails); | |
| 127 | |
| 128 void dispatchDidParseSource(ScriptDebugListener* listener, v8::Handle<v8::Ob
ject> sourceObject); | |
| 129 | |
| 130 void ensureDebuggerScriptCompiled(); | |
| 131 void discardDebuggerScript(); | |
| 132 | |
| 133 PauseOnExceptionsState m_pauseOnExceptionsState; | |
| 134 ScopedPersistent<v8::Object> m_debuggerScript; | |
| 135 v8::Local<v8::Object> m_executionState; | |
| 136 RefPtr<ScriptState> m_pausedScriptState; | |
| 137 bool m_breakpointsActivated; | |
| 138 ScopedPersistent<v8::FunctionTemplate> m_breakProgramCallbackTemplate; | |
| 139 HashMap<String, OwnPtr<ScopedPersistent<v8::Script> > > m_compiledScripts; | |
| 140 v8::Isolate* m_isolate; | |
| 141 | |
| 142 private: | |
| 143 enum ScopeInfoDetails { | |
| 144 AllScopes, | |
| 145 FastAsyncScopes, | |
| 146 NoScopes // Should be the last option. | |
| 147 }; | |
| 148 | |
| 149 ScriptValue currentCallFramesInner(ScopeInfoDetails); | |
| 150 | |
| 151 PassRefPtrWillBeRawPtr<JavaScriptCallFrame> wrapCallFrames(int maximumLimit,
ScopeInfoDetails); | |
| 152 | |
| 153 bool m_runningNestedMessageLoop; | |
| 154 }; | |
| 155 | |
| 156 } // namespace WebCore | |
| 157 | |
| 158 | |
| 159 #endif // ScriptDebugServer_h | |
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