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| 1 /* | |
| 2 * Copyright (C) 2012 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 | |
| 33 | |
| 34 #include "core/inspector/InjectedScriptBase.h" | |
| 35 | |
| 36 #include "bindings/core/v8/ScriptFunctionCall.h" | |
| 37 #include "bindings/core/v8/V8Binding.h" | |
| 38 #include "core/inspector/InspectorInstrumentation.h" | |
| 39 #include "core/inspector/InspectorTraceEvents.h" | |
| 40 #include "platform/JSONValues.h" | |
| 41 #include "wtf/text/WTFString.h" | |
| 42 | |
| 43 using blink::TypeBuilder::Array; | |
| 44 using blink::TypeBuilder::Runtime::RemoteObject; | |
| 45 | |
| 46 namespace blink { | |
| 47 | |
| 48 PassRefPtr<JSONValue> toJSONValue(const ScriptValue& value) | |
| 49 { | |
| 50 ScriptState* scriptState = value.scriptState(); | |
| 51 ASSERT(scriptState->contextIsValid()); | |
| 52 ScriptState::Scope scope(scriptState); | |
| 53 NonThrowableExceptionState exceptionState; | |
| 54 return ScriptValue::to<JSONValuePtr>(scriptState->isolate(), value, exceptio
nState); | |
| 55 } | |
| 56 | |
| 57 static PassRefPtr<TypeBuilder::Debugger::ExceptionDetails> toExceptionDetails(Pa
ssRefPtr<JSONObject> object) | |
| 58 { | |
| 59 String text; | |
| 60 if (!object->getString("text", &text)) | |
| 61 return nullptr; | |
| 62 | |
| 63 RefPtr<TypeBuilder::Debugger::ExceptionDetails> exceptionDetails = TypeBuild
er::Debugger::ExceptionDetails::create().setText(text); | |
| 64 String url; | |
| 65 if (object->getString("url", &url)) | |
| 66 exceptionDetails->setUrl(url); | |
| 67 int line = 0; | |
| 68 if (object->getNumber("line", &line)) | |
| 69 exceptionDetails->setLine(line); | |
| 70 int column = 0; | |
| 71 if (object->getNumber("column", &column)) | |
| 72 exceptionDetails->setColumn(column); | |
| 73 int originScriptId = 0; | |
| 74 object->getNumber("scriptId", &originScriptId); | |
| 75 | |
| 76 RefPtr<JSONArray> stackTrace = object->getArray("stackTrace"); | |
| 77 if (stackTrace && stackTrace->length() > 0) { | |
| 78 RefPtr<TypeBuilder::Array<TypeBuilder::Console::CallFrame> > frames = Ty
peBuilder::Array<TypeBuilder::Console::CallFrame>::create(); | |
| 79 for (unsigned i = 0; i < stackTrace->length(); ++i) { | |
| 80 RefPtr<JSONObject> stackFrame = stackTrace->get(i)->asObject(); | |
| 81 int lineNumber = 0; | |
| 82 stackFrame->getNumber("lineNumber", &lineNumber); | |
| 83 int column = 0; | |
| 84 stackFrame->getNumber("column", &column); | |
| 85 int scriptId = 0; | |
| 86 stackFrame->getNumber("scriptId", &scriptId); | |
| 87 if (i == 0 && scriptId == originScriptId) | |
| 88 originScriptId = 0; | |
| 89 | |
| 90 String sourceURL; | |
| 91 stackFrame->getString("scriptNameOrSourceURL", &sourceURL); | |
| 92 String functionName; | |
| 93 stackFrame->getString("functionName", &functionName); | |
| 94 | |
| 95 RefPtr<TypeBuilder::Console::CallFrame> callFrame = TypeBuilder::Con
sole::CallFrame::create() | |
| 96 .setFunctionName(functionName) | |
| 97 .setScriptId(String::number(scriptId)) | |
| 98 .setUrl(sourceURL) | |
| 99 .setLineNumber(lineNumber) | |
| 100 .setColumnNumber(column); | |
| 101 | |
| 102 frames->addItem(callFrame.release()); | |
| 103 } | |
| 104 exceptionDetails->setStackTrace(frames.release()); | |
| 105 } | |
| 106 if (originScriptId) | |
| 107 exceptionDetails->setScriptId(String::number(originScriptId)); | |
| 108 return exceptionDetails.release(); | |
| 109 } | |
| 110 | |
| 111 InjectedScriptBase::InjectedScriptBase(const String& name) | |
| 112 : m_name(name) | |
| 113 , m_inspectedStateAccessCheck(0) | |
| 114 { | |
| 115 } | |
| 116 | |
| 117 InjectedScriptBase::InjectedScriptBase(const String& name, ScriptValue injectedS
criptObject, InspectedStateAccessCheck accessCheck) | |
| 118 : m_name(name) | |
| 119 , m_injectedScriptObject(injectedScriptObject) | |
| 120 , m_inspectedStateAccessCheck(accessCheck) | |
| 121 { | |
| 122 } | |
| 123 | |
| 124 void InjectedScriptBase::initialize(ScriptValue injectedScriptObject, InspectedS
tateAccessCheck accessCheck) | |
| 125 { | |
| 126 m_injectedScriptObject = injectedScriptObject; | |
| 127 m_inspectedStateAccessCheck = accessCheck; | |
| 128 } | |
| 129 | |
| 130 bool InjectedScriptBase::canAccessInspectedWindow() const | |
| 131 { | |
| 132 ASSERT(!isEmpty()); | |
| 133 return m_inspectedStateAccessCheck(m_injectedScriptObject.scriptState()); | |
| 134 } | |
| 135 | |
| 136 const ScriptValue& InjectedScriptBase::injectedScriptObject() const | |
| 137 { | |
| 138 return m_injectedScriptObject; | |
| 139 } | |
| 140 | |
| 141 ScriptValue InjectedScriptBase::callFunctionWithEvalEnabled(ScriptFunctionCall&
function, bool& hadException) const | |
| 142 { | |
| 143 ASSERT(!isEmpty()); | |
| 144 ExecutionContext* executionContext = m_injectedScriptObject.scriptState()->e
xecutionContext(); | |
| 145 ScriptState::Scope scope(m_injectedScriptObject.scriptState()); | |
| 146 v8::Local<v8::Function> functionObj = function.function(); | |
| 147 DevToolsFunctionInfo info(functionObj); | |
| 148 InspectorInstrumentationCookie cookie = InspectorInstrumentation::willCallFu
nction(executionContext, info); | |
| 149 | |
| 150 ScriptState* scriptState = m_injectedScriptObject.scriptState(); | |
| 151 bool evalIsDisabled = false; | |
| 152 if (scriptState) { | |
| 153 evalIsDisabled = !scriptState->evalEnabled(); | |
| 154 // Temporarily enable allow evals for inspector. | |
| 155 if (evalIsDisabled) | |
| 156 scriptState->setEvalEnabled(true); | |
| 157 } | |
| 158 | |
| 159 ScriptValue resultValue = function.call(hadException); | |
| 160 | |
| 161 if (evalIsDisabled) | |
| 162 scriptState->setEvalEnabled(false); | |
| 163 | |
| 164 InspectorInstrumentation::didCallFunction(cookie); | |
| 165 TRACE_EVENT_INSTANT1(TRACE_DISABLED_BY_DEFAULT("devtools.timeline"), "Update
Counters", TRACE_EVENT_SCOPE_THREAD, "data", InspectorUpdateCountersEvent::data(
)); | |
| 166 return resultValue; | |
| 167 } | |
| 168 | |
| 169 void InjectedScriptBase::makeCall(ScriptFunctionCall& function, RefPtr<JSONValue
>* result) | |
| 170 { | |
| 171 if (isEmpty() || !canAccessInspectedWindow()) { | |
| 172 *result = JSONValue::null(); | |
| 173 return; | |
| 174 } | |
| 175 | |
| 176 bool hadException = false; | |
| 177 ScriptValue resultValue = callFunctionWithEvalEnabled(function, hadException
); | |
| 178 | |
| 179 ASSERT(!hadException); | |
| 180 if (!hadException) { | |
| 181 *result = toJSONValue(resultValue); | |
| 182 if (!*result) | |
| 183 *result = JSONString::create(String::format("Object has too long ref
erence chain(must not be longer than %d)", JSONValue::maxDepth)); | |
| 184 } else { | |
| 185 *result = JSONString::create("Exception while making a call."); | |
| 186 } | |
| 187 } | |
| 188 | |
| 189 void InjectedScriptBase::makeEvalCall(ErrorString* errorString, ScriptFunctionCa
ll& function, RefPtr<TypeBuilder::Runtime::RemoteObject>* objectResult, TypeBuil
der::OptOutput<bool>* wasThrown, RefPtr<TypeBuilder::Debugger::ExceptionDetails>
* exceptionDetails) | |
| 190 { | |
| 191 RefPtr<JSONValue> result; | |
| 192 makeCall(function, &result); | |
| 193 if (!result) { | |
| 194 *errorString = "Internal error: result value is empty"; | |
| 195 return; | |
| 196 } | |
| 197 if (result->type() == JSONValue::TypeString) { | |
| 198 result->asString(errorString); | |
| 199 ASSERT(errorString->length()); | |
| 200 return; | |
| 201 } | |
| 202 RefPtr<JSONObject> resultPair = result->asObject(); | |
| 203 if (!resultPair) { | |
| 204 *errorString = "Internal error: result is not an Object"; | |
| 205 return; | |
| 206 } | |
| 207 RefPtr<JSONObject> resultObj = resultPair->getObject("result"); | |
| 208 bool wasThrownVal = false; | |
| 209 if (!resultObj || !resultPair->getBoolean("wasThrown", &wasThrownVal)) { | |
| 210 *errorString = "Internal error: result is not a pair of value and wasThr
own flag"; | |
| 211 return; | |
| 212 } | |
| 213 if (wasThrownVal) { | |
| 214 RefPtr<JSONObject> objectExceptionDetails = resultPair->getObject("excep
tionDetails"); | |
| 215 if (objectExceptionDetails) | |
| 216 *exceptionDetails = toExceptionDetails(objectExceptionDetails.releas
e()); | |
| 217 } | |
| 218 *objectResult = TypeBuilder::Runtime::RemoteObject::runtimeCast(resultObj); | |
| 219 *wasThrown = wasThrownVal; | |
| 220 } | |
| 221 | |
| 222 void InjectedScriptBase::makeCallWithExceptionDetails(ScriptFunctionCall& functi
on, RefPtr<JSONValue>* result, RefPtr<TypeBuilder::Debugger::ExceptionDetails>*
exceptionDetails) | |
| 223 { | |
| 224 ScriptState::Scope scope(injectedScriptObject().scriptState()); | |
| 225 v8::TryCatch tryCatch; | |
| 226 ScriptValue resultValue = function.callWithoutExceptionHandling(); | |
| 227 if (tryCatch.HasCaught()) { | |
| 228 v8::Local<v8::Message> message = tryCatch.Message(); | |
| 229 String text = !message.IsEmpty() ? toCoreStringWithUndefinedOrNullCheck(
message->Get()) : "Internal error"; | |
| 230 *exceptionDetails = TypeBuilder::Debugger::ExceptionDetails::create().se
tText(text); | |
| 231 } else { | |
| 232 *result = toJSONValue(resultValue); | |
| 233 if (!*result) | |
| 234 *result = JSONString::create(String::format("Object has too long ref
erence chain(must not be longer than %d)", JSONValue::maxDepth)); | |
| 235 } | |
| 236 } | |
| 237 | |
| 238 } // namespace blink | |
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Chromium Code Reviews
Issue 1168423002:
DevTools: merge InjectedScriptBase into InjectedScript (Closed)
Base URL: svn://svn.chromium.org/blink/trunk