1 /* 2 * Copyright (C) 2011 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 #include "config.h" 32 #include "core/inspector/InspectorRuntimeAgent.h" 33 34 #include "bindings/v8/ScriptDebugServer.h" 35 #include "bindings/v8/ScriptState.h" 36 #include "core/inspector/InjectedScript.h" 37 #include "core/inspector/InjectedScriptManager.h" 38 #include "core/inspector/InspectorState.h" 39 #include "platform/JSONValues.h" 40 41 using WebCore::TypeBuilder::Runtime::ExecutionContextDescription; 42 43 namespace WebCore { 44 45 namespace InspectorRuntimeAgentState { 46 static const char runtimeEnabled[] = "runtimeEnabled"; 47 }; 48 49 static bool asBool(const bool* const b) 50 { 51 return b ? *b : false; 52 } 53 54 InspectorRuntimeAgent::InspectorRuntimeAgent(InjectedScriptManager* injectedScriptManager, ScriptDebugServer* scriptDebugServer) 55 : InspectorBaseAgent<InspectorRuntimeAgent>("Runtime") 56 , m_enabled(false) 57 , m_frontend(0) 58 , m_injectedScriptManager(injectedScriptManager) 59 , m_scriptDebugServer(scriptDebugServer) 60 { 61 } 62 63 InspectorRuntimeAgent::~InspectorRuntimeAgent() 64 { 65 } 66 67 static ScriptDebugServer::PauseOnExceptionsState setPauseOnExceptionsState(ScriptDebugServer* scriptDebugServer, ScriptDebugServer::PauseOnExceptionsState newState) 68 { 69 ASSERT(scriptDebugServer); 70 ScriptDebugServer::PauseOnExceptionsState presentState = scriptDebugServer->pauseOnExceptionsState(); 71 if (presentState != newState) 72 scriptDebugServer->setPauseOnExceptionsState(newState); 73 return presentState; 74 } 75 76 void InspectorRuntimeAgent::evaluate(ErrorString* errorString, const String& expression, const String* const objectGroup, const bool* const includeCommandLineAPI, const bool* const doNotPauseOnExceptionsAndMuteConsole, const int* executionContextId, const bool* const returnByValue, const bool* generatePreview, RefPtr<TypeBuilder::Runtime::RemoteObject>& result, TypeBuilder::OptOutput<bool>* wasThrown) 77 { 78 InjectedScript injectedScript = injectedScriptForEval(errorString, executionContextId); 79 if (injectedScript.isEmpty()) 80 return; 81 ScriptDebugServer::PauseOnExceptionsState previousPauseOnExceptionsState = ScriptDebugServer::DontPauseOnExceptions; 82 if (asBool(doNotPauseOnExceptionsAndMuteConsole)) 83 previousPauseOnExceptionsState = setPauseOnExceptionsState(m_scriptDebugServer, ScriptDebugServer::DontPauseOnExceptions); 84 if (asBool(doNotPauseOnExceptionsAndMuteConsole)) 85 muteConsole(); 86 87 injectedScript.evaluate(errorString, expression, objectGroup ? *objectGroup : "", asBool(includeCommandLineAPI), asBool(returnByValue), asBool(generatePreview), &result, wasThrown); 88 89 if (asBool(doNotPauseOnExceptionsAndMuteConsole)) { 90 unmuteConsole(); 91 setPauseOnExceptionsState(m_scriptDebugServer, previousPauseOnExceptionsState); 92 } 93 } 94 95 void InspectorRuntimeAgent::callFunctionOn(ErrorString* errorString, const String& objectId, const String& expression, const RefPtr<JSONArray>* const optionalArguments, const bool* const doNotPauseOnExceptionsAndMuteConsole, const bool* const returnByValue, const bool* generatePreview, RefPtr<TypeBuilder::Runtime::RemoteObject>& result, TypeBuilder::OptOutput<bool>* wasThrown) 96 { 97 InjectedScript injectedScript = m_injectedScriptManager->injectedScriptForObjectId(objectId); 98 if (injectedScript.isEmpty()) { 99 *errorString = "Inspected frame has gone"; 100 return; 101 } 102 String arguments; 103 if (optionalArguments) 104 arguments = (*optionalArguments)->toJSONString(); 105 106 ScriptDebugServer::PauseOnExceptionsState previousPauseOnExceptionsState = ScriptDebugServer::DontPauseOnExceptions; 107 if (asBool(doNotPauseOnExceptionsAndMuteConsole)) 108 previousPauseOnExceptionsState = setPauseOnExceptionsState(m_scriptDebugServer, ScriptDebugServer::DontPauseOnExceptions); 109 if (asBool(doNotPauseOnExceptionsAndMuteConsole)) 110 muteConsole(); 111 112 injectedScript.callFunctionOn(errorString, objectId, expression, arguments, asBool(returnByValue), asBool(generatePreview), &result, wasThrown); 113 114 if (asBool(doNotPauseOnExceptionsAndMuteConsole)) { 115 unmuteConsole(); 116 setPauseOnExceptionsState(m_scriptDebugServer, previousPauseOnExceptionsState); 117 } 118 } 119 120 void InspectorRuntimeAgent::getProperties(ErrorString* errorString, const String& objectId, const bool* ownProperties, const bool* accessorPropertiesOnly, RefPtr<TypeBuilder::Array<TypeBuilder::Runtime::PropertyDescriptor> >& result, RefPtr<TypeBuilder::Array<TypeBuilder::Runtime::InternalPropertyDescriptor> >& internalProperties) 121 { 122 InjectedScript injectedScript = m_injectedScriptManager->injectedScriptForObjectId(objectId); 123 if (injectedScript.isEmpty()) { 124 *errorString = "Inspected frame has gone"; 125 return; 126 } 127 128 ScriptDebugServer::PauseOnExceptionsState previousPauseOnExceptionsState = setPauseOnExceptionsState(m_scriptDebugServer, ScriptDebugServer::DontPauseOnExceptions); 129 muteConsole(); 130 131 bool accessorPropertiesOnlyValue = accessorPropertiesOnly && *accessorPropertiesOnly; 132 injectedScript.getProperties(errorString, objectId, ownProperties && *ownProperties, accessorPropertiesOnlyValue, &result); 133 134 if (!accessorPropertiesOnlyValue) 135 injectedScript.getInternalProperties(errorString, objectId, &internalProperties); 136 137 unmuteConsole(); 138 setPauseOnExceptionsState(m_scriptDebugServer, previousPauseOnExceptionsState); 139 } 140 141 void InspectorRuntimeAgent::releaseObject(ErrorString*, const String& objectId) 142 { 143 InjectedScript injectedScript = m_injectedScriptManager->injectedScriptForObjectId(objectId); 144 if (!injectedScript.isEmpty()) 145 injectedScript.releaseObject(objectId); 146 } 147 148 void InspectorRuntimeAgent::releaseObjectGroup(ErrorString*, const String& objectGroup) 149 { 150 m_injectedScriptManager->releaseObjectGroup(objectGroup); 151 } 152 153 void InspectorRuntimeAgent::run(ErrorString*) 154 { 155 } 156 157 void InspectorRuntimeAgent::isRunRequired(ErrorString*, bool* out_result) 158 { 159 *out_result = false; 160 } 161 162 void InspectorRuntimeAgent::setFrontend(InspectorFrontend* frontend) 163 { 164 m_frontend = frontend->runtime(); 165 } 166 167 void InspectorRuntimeAgent::clearFrontend() 168 { 169 m_frontend = 0; 170 String errorString; 171 disable(&errorString); 172 } 173 174 void InspectorRuntimeAgent::restore() 175 { 176 if (m_state->getBoolean(InspectorRuntimeAgentState::runtimeEnabled)) { 177 m_scriptStateToId.clear(); 178 m_frontend->executionContextsCleared(); 179 String error; 180 enable(&error); 181 } 182 } 183 184 void InspectorRuntimeAgent::enable(ErrorString* errorString) 185 { 186 if (m_enabled) 187 return; 188 189 m_enabled = true; 190 m_state->setBoolean(InspectorRuntimeAgentState::runtimeEnabled, true); 191 } 192 193 void InspectorRuntimeAgent::disable(ErrorString* errorString) 194 { 195 if (!m_enabled) 196 return; 197 198 m_scriptStateToId.clear(); 199 m_enabled = false; 200 m_state->setBoolean(InspectorRuntimeAgentState::runtimeEnabled, false); 201 } 202 203 void InspectorRuntimeAgent::addExecutionContextToFrontend(ScriptState* scriptState, bool isPageContext, const String& name, const String& frameId) 204 { 205 int executionContextId = injectedScriptManager()->injectedScriptIdFor(scriptState); 206 m_scriptStateToId.set(scriptState, executionContextId); 207 m_frontend->executionContextCreated(ExecutionContextDescription::create() 208 .setId(executionContextId) 209 .setIsPageContext(isPageContext) 210 .setName(name) 211 .setFrameId(frameId) 212 .release()); 213 } 214 215 } // namespace WebCore 216 217