v8::Local<v8::Value> V8Proxy::evaluate(const ScriptSourceCode& source, Node* node)
{
ASSERT(v8::Context::InContext());
v8::Local<v8::Value> result;
{
// Isolate exceptions that occur when compiling and executing
// the code. These exceptions should not interfere with
// javascript code we might evaluate from C++ when returning
// from here.
v8::TryCatch tryCatch;
tryCatch.SetVerbose(true);
// Compile the script.
v8::Local<v8::String> code = v8ExternalString(source.source());
ChromiumBridge::traceEventBegin("v8.compile", node, "");
// NOTE: For compatibility with WebCore, ScriptSourceCode's line starts at
// 1, whereas v8 starts at 0.
v8::Handle<v8::Script> script = compileScript(code, source.url(), source.startLine() - 1);
ChromiumBridge::traceEventEnd("v8.compile", node, "");
ChromiumBridge::traceEventBegin("v8.run", node, "");
// Set inlineCode to true for <a href="javascript:doSomething()">
// and false for <script>doSomething</script>. We make a rough guess at
// this based on whether the script source has a URL.
result = runScript(script, source.url().string().isNull());
}
ChromiumBridge::traceEventEnd("v8.run", node, "");
return result;
}
ScriptValue ScriptController::evaluateInWorld(const ScriptSourceCode& sourceCode, DOMWrapperWorld* world, ShouldAllowXSS shouldAllowXSS)
{
const SourceCode& jsSourceCode = sourceCode.jsSourceCode();
String sourceURL = ustringToString(jsSourceCode.provider()->url());
if (shouldAllowXSS == DoNotAllowXSS && !m_XSSAuditor->canEvaluate(sourceCode.source())) {
// This script is not safe to be evaluated.
return JSValue();
}
// evaluate code. Returns the JS return value or 0
// if there was none, an error occurred or the type couldn't be converted.
// inlineCode is true for <a href="javascript:doSomething()">
// and false for <script>doSomething()</script>. Check if it has the
// expected value in all cases.
// See smart window.open policy for where this is used.
JSDOMWindowShell* shell = windowShell(world);
ExecState* exec = shell->window()->globalExec();
const String* savedSourceURL = m_sourceURL;
m_sourceURL = &sourceURL;
JSLock lock(SilenceAssertionsOnly);
RefPtr<Frame> protect = m_frame;
#if ENABLE(INSPECTOR)
if (InspectorTimelineAgent* timelineAgent = m_frame->page() ? m_frame->page()->inspectorTimelineAgent() : 0)
timelineAgent->willEvaluateScript(sourceURL, sourceCode.startLine());
#endif
exec->globalData().timeoutChecker.start();
Completion comp = JSMainThreadExecState::evaluate(exec, exec->dynamicGlobalObject()->globalScopeChain(), jsSourceCode, shell);
exec->globalData().timeoutChecker.stop();
#if ENABLE(INSPECTOR)
if (InspectorTimelineAgent* timelineAgent = m_frame->page() ? m_frame->page()->inspectorTimelineAgent() : 0)
timelineAgent->didEvaluateScript();
#endif
// Evaluating the JavaScript could cause the frame to be deallocated
// so we start the keep alive timer here.
m_frame->keepAlive();
if (comp.complType() == Normal || comp.complType() == ReturnValue) {
m_sourceURL = savedSourceURL;
return comp.value();
}
if (comp.complType() == Throw || comp.complType() == Interrupted)
reportException(exec, comp.value());
m_sourceURL = savedSourceURL;
return JSValue();
}
v8::Local<v8::Value> V8Proxy::evaluate(const ScriptSourceCode& source, Node* node)
{
ASSERT(v8::Context::InContext());
V8GCController::checkMemoryUsage();
#if ENABLE(INSPECTOR)
if (InspectorTimelineAgent* timelineAgent = m_frame->page() ? m_frame->page()->inspectorTimelineAgent() : 0)
timelineAgent->willEvaluateScript(source.url().isNull() ? String() : source.url().string(), source.startLine());
#endif
v8::Local<v8::Value> result;
{
// Isolate exceptions that occur when compiling and executing
// the code. These exceptions should not interfere with
// javascript code we might evaluate from C++ when returning
// from here.
v8::TryCatch tryCatch;
tryCatch.SetVerbose(true);
// Compile the script.
v8::Local<v8::String> code = v8ExternalString(source.source());
#if PLATFORM(CHROMIUM)
PlatformBridge::traceEventBegin("v8.compile", node, "");
#endif
OwnPtr<v8::ScriptData> scriptData = precompileScript(code, source.cachedScript());
// NOTE: For compatibility with WebCore, ScriptSourceCode's line starts at
// 1, whereas v8 starts at 0.
v8::Handle<v8::Script> script = compileScript(code, source.url(), source.startLine() - 1, scriptData.get());
#if PLATFORM(CHROMIUM)
PlatformBridge::traceEventEnd("v8.compile", node, "");
PlatformBridge::traceEventBegin("v8.run", node, "");
#endif
// Set inlineCode to true for <a href="javascript:doSomething()">
// and false for <script>doSomething</script>. We make a rough guess at
// this based on whether the script source has a URL.
result = runScript(script, source.url().string().isNull());
}
#if PLATFORM(CHROMIUM)
PlatformBridge::traceEventEnd("v8.run", node, "");
#endif
#if ENABLE(INSPECTOR)
if (InspectorTimelineAgent* timelineAgent = m_frame->page() ? m_frame->page()->inspectorTimelineAgent() : 0)
timelineAgent->didEvaluateScript();
#endif
return result;
}
v8::Local<v8::Value> ScriptController::compileAndRunScript(const ScriptSourceCode& source)
{
ASSERT(v8::Context::InContext());
V8GCController::checkMemoryUsage();
InspectorInstrumentationCookie cookie = InspectorInstrumentation::willEvaluateScript(m_frame, source.url().isNull() ? String() : source.url().string(), source.startLine());
v8::Local<v8::Value> result;
{
// Isolate exceptions that occur when compiling and executing
// the code. These exceptions should not interfere with
// javascript code we might evaluate from C++ when returning
// from here.
v8::TryCatch tryCatch;
tryCatch.SetVerbose(true);
// Compile the script.
v8::Handle<v8::String> code = v8String(source.source(), m_isolate);
TRACE_EVENT_BEGIN0("v8", "v8.compile");
OwnPtr<v8::ScriptData> scriptData = ScriptSourceCode::precompileScript(code, source.cachedScript());
// NOTE: For compatibility with WebCore, ScriptSourceCode's line starts at
// 1, whereas v8 starts at 0.
v8::Handle<v8::Script> script = ScriptSourceCode::compileScript(code, source.url(), source.startPosition(), scriptData.get(), m_isolate);
TRACE_EVENT_END0("v8", "v8.compile");
TRACE_EVENT0("v8", "v8.run");
// Keep Frame (and therefore ScriptController) alive.
RefPtr<Frame> protect(m_frame);
result = V8ScriptRunner::runCompiledScript(script, m_frame->document());
ASSERT(!tryCatch.HasCaught() || result.IsEmpty());
}
InspectorInstrumentation::didEvaluateScript(cookie);
return result;
}
ScriptValue ScriptController::evaluateInWorld(const ScriptSourceCode& sourceCode, DOMWrapperWorld* world)
{
const SourceCode& jsSourceCode = sourceCode.jsSourceCode();
String sourceURL = ustringToString(jsSourceCode.provider()->url());
// evaluate code. Returns the JS return value or 0
// if there was none, an error occurred or the type couldn't be converted.
// inlineCode is true for <a href="javascript:doSomething()">
// and false for <script>doSomething()</script>. Check if it has the
// expected value in all cases.
// See smart window.open policy for where this is used.
JSDOMWindowShell* shell = windowShell(world);
ExecState* exec = shell->window()->globalExec();
const String* savedSourceURL = m_sourceURL;
m_sourceURL = &sourceURL;
JSLock lock(SilenceAssertionsOnly);
RefPtr<Frame> protect = m_frame;
InspectorInstrumentationCookie cookie = InspectorInstrumentation::willEvaluateScript(m_frame, sourceURL, sourceCode.startLine());
JSValue evaluationException;
exec->globalData().timeoutChecker.start();
JSValue returnValue = JSMainThreadExecState::evaluate(exec, exec->dynamicGlobalObject()->globalScopeChain(), jsSourceCode, shell, &evaluationException);
exec->globalData().timeoutChecker.stop();
InspectorInstrumentation::didEvaluateScript(cookie);
if (evaluationException) {
reportException(exec, evaluationException);
m_sourceURL = savedSourceURL;
return ScriptValue();
}
m_sourceURL = savedSourceURL;
return ScriptValue(exec->globalData(), returnValue);
}
v8::Local<v8::Value> ScriptController::executeScriptAndReturnValue(v8::Local<v8::Context> context, const ScriptSourceCode& source, AccessControlStatus corsStatus, double* compilationFinishTime)
{
TRACE_EVENT1(TRACE_DISABLED_BY_DEFAULT("devtools.timeline"), "EvaluateScript", "data", InspectorEvaluateScriptEvent::data(frame(), source.url().string(), source.startLine()));
InspectorInstrumentationCookie cookie = InspectorInstrumentation::willEvaluateScript(frame(), source.url().string(), source.startLine());
v8::Local<v8::Value> result;
{
V8CacheOptions v8CacheOptions(V8CacheOptionsDefault);
if (frame()->settings())
v8CacheOptions = frame()->settings()->v8CacheOptions();
// Isolate exceptions that occur when compiling and executing
// the code. These exceptions should not interfere with
// javascript code we might evaluate from C++ when returning
// from here.
v8::TryCatch tryCatch;
tryCatch.SetVerbose(true);
v8::Local<v8::Script> script;
if (!v8Call(V8ScriptRunner::compileScript(source, isolate(), corsStatus, v8CacheOptions), script, tryCatch))
return result;
if (compilationFinishTime) {
*compilationFinishTime = WTF::monotonicallyIncreasingTime();
}
// Keep LocalFrame (and therefore ScriptController) alive.
RefPtrWillBeRawPtr<LocalFrame> protect(frame());
if (!v8Call(V8ScriptRunner::runCompiledScript(isolate(), script, frame()->document()), result, tryCatch))
return result;
}
InspectorInstrumentation::didEvaluateScript(cookie);
TRACE_EVENT_INSTANT1(TRACE_DISABLED_BY_DEFAULT("devtools.timeline"), "UpdateCounters", TRACE_EVENT_SCOPE_THREAD, "data", InspectorUpdateCountersEvent::data());
return result;
}
v8::Local<v8::Value> ScriptController::executeScriptAndReturnValue(v8::Handle<v8::Context> context, const ScriptSourceCode& source, AccessControlStatus corsStatus)
{
v8::Context::Scope scope(context);
InspectorInstrumentationCookie cookie = InspectorInstrumentation::willEvaluateScript(m_frame, source.url().isNull() ? String() : source.url().string(), source.startLine());
v8::Local<v8::Value> result;
{
// Isolate exceptions that occur when compiling and executing
// the code. These exceptions should not interfere with
// javascript code we might evaluate from C++ when returning
// from here.
v8::TryCatch tryCatch;
tryCatch.SetVerbose(true);
v8::Handle<v8::Script> script = V8ScriptRunner::compileScript(source, m_isolate, corsStatus);
// Keep LocalFrame (and therefore ScriptController) alive.
RefPtr<LocalFrame> protect(m_frame);
result = V8ScriptRunner::runCompiledScript(script, m_frame->document(), m_isolate);
ASSERT(!tryCatch.HasCaught() || result.IsEmpty());
}
InspectorInstrumentation::didEvaluateScript(cookie);
return result;
}
JSValue ScriptController::evaluateInWorld(const ScriptSourceCode& sourceCode, DOMWrapperWorld& world, ExceptionDetails* exceptionDetails)
{
JSLockHolder lock(world.vm());
const SourceCode& jsSourceCode = sourceCode.jsSourceCode();
String sourceURL = jsSourceCode.provider()->url();
// evaluate code. Returns the JS return value or 0
// if there was none, an error occurred or the type couldn't be converted.
// inlineCode is true for <a href="javascript:doSomething()">
// and false for <script>doSomething()</script>. Check if it has the
// expected value in all cases.
// See smart window.open policy for where this is used.
JSDOMWindowShell* shell = windowShell(world);
ExecState* exec = shell->window()->globalExec();
const String* savedSourceURL = m_sourceURL;
m_sourceURL = &sourceURL;
Ref<Frame> protect(m_frame);
InspectorInstrumentationCookie cookie = InspectorInstrumentation::willEvaluateScript(m_frame, sourceURL, sourceCode.startLine());
NakedPtr<Exception> evaluationException;
JSValue returnValue = JSMainThreadExecState::profiledEvaluate(exec, JSC::ProfilingReason::Other, jsSourceCode, shell, evaluationException);
InspectorInstrumentation::didEvaluateScript(cookie, m_frame);
if (evaluationException) {
reportException(exec, evaluationException, sourceCode.cachedScript(), exceptionDetails);
m_sourceURL = savedSourceURL;
return { };
}
m_sourceURL = savedSourceURL;
return returnValue;
}
v8::Local<v8::Value> ScriptController::executeScriptAndReturnValue(v8::Handle<v8::Context> context, const ScriptSourceCode& source, AccessControlStatus corsStatus, double* compilationFinishTime)
{
TRACE_EVENT1(TRACE_DISABLED_BY_DEFAULT("devtools.timeline"), "EvaluateScript", "data", InspectorEvaluateScriptEvent::data(m_frame, source.url().string(), source.startLine()));
TRACE_EVENT_INSTANT1(TRACE_DISABLED_BY_DEFAULT("devtools.timeline.stack"), "CallStack", "stack", InspectorCallStackEvent::currentCallStack());
// FIXME(361045): remove InspectorInstrumentation calls once DevTools Timeline migrates to tracing.
InspectorInstrumentationCookie cookie = InspectorInstrumentation::willEvaluateScript(m_frame, source.url().string(), source.startLine());
v8::Local<v8::Value> result;
{
V8CacheOptions v8CacheOptions(V8CacheOptionsOff);
if (m_frame->settings())
v8CacheOptions = m_frame->settings()->v8CacheOptions();
// Isolate exceptions that occur when compiling and executing
// the code. These exceptions should not interfere with
// javascript code we might evaluate from C++ when returning
// from here.
v8::TryCatch tryCatch;
tryCatch.SetVerbose(true);
v8::Handle<v8::Script> script = V8ScriptRunner::compileScript(source, m_isolate, corsStatus, v8CacheOptions);
if (compilationFinishTime) {
*compilationFinishTime = WTF::monotonicallyIncreasingTime();
}
// Keep LocalFrame (and therefore ScriptController) alive.
RefPtrWillBeRawPtr<LocalFrame> protect(m_frame.get());
result = V8ScriptRunner::runCompiledScript(m_isolate, script, m_frame->document());
ASSERT(!tryCatch.HasCaught() || result.IsEmpty());
}
InspectorInstrumentation::didEvaluateScript(cookie);
TRACE_EVENT_INSTANT1(TRACE_DISABLED_BY_DEFAULT("devtools.timeline"), "UpdateCounters", "data", InspectorUpdateCountersEvent::data());
return result;
}
ScriptValue WorkerScriptController::evaluate(const ScriptSourceCode& sourceCode)
{
{
MutexLocker lock(m_sharedDataMutex);
if (m_executionForbidden)
return ScriptValue();
}
v8::Local<v8::Value> result = m_proxy->evaluate(sourceCode.source(), sourceCode.url().string(), sourceCode.startLine() - 1);
m_workerContext->thread()->workerObjectProxy().reportPendingActivity(m_workerContext->hasPendingActivity());
return ScriptValue();
}
v8::Local<v8::Value> V8Proxy::evaluate(const ScriptSourceCode& source, Node* node)
{
ASSERT(v8::Context::InContext());
V8GCController::checkMemoryUsage();
InspectorInstrumentationCookie cookie = InspectorInstrumentation::willEvaluateScript(m_frame, source.url().isNull() ? String() : source.url().string(), source.startLine());
v8::Local<v8::Value> result;
{
// Isolate exceptions that occur when compiling and executing
// the code. These exceptions should not interfere with
// javascript code we might evaluate from C++ when returning
// from here.
v8::TryCatch tryCatch;
tryCatch.SetVerbose(true);
// Compile the script.
v8::Local<v8::String> code = v8ExternalString(source.source());
#if PLATFORM(CHROMIUM)
TRACE_EVENT_BEGIN0("v8", "v8.compile");
#endif
OwnPtr<v8::ScriptData> scriptData = precompileScript(code, source.cachedScript());
// NOTE: For compatibility with WebCore, ScriptSourceCode's line starts at
// 1, whereas v8 starts at 0.
v8::Handle<v8::Script> script = compileScript(code, source.url(), source.startPosition(), scriptData.get());
#if PLATFORM(CHROMIUM)
TRACE_EVENT_END0("v8", "v8.compile");
TRACE_EVENT0("v8", "v8.run");
#endif
result = runScript(script);
}
InspectorInstrumentation::didEvaluateScript(cookie);
return result;
}