Beispiel #1
0
v8::Local<v8::Value> ScriptRunner::runCompiledScript(v8::Handle<v8::Script> script, ScriptExecutionContext* context)
{
    if (script.IsEmpty())
        return v8::Local<v8::Value>();

    V8GCController::checkMemoryUsage();
    if (V8RecursionScope::recursionLevel() >= kMaxRecursionDepth)
        return handleMaxRecursionDepthExceeded();

    if (handleOutOfMemory())
        return v8::Local<v8::Value>();

    // Run the script and keep track of the current recursion depth.
    v8::Local<v8::Value> result;
    {
        V8RecursionScope recursionScope(context);
        result = script->Run();
    }

    if (handleOutOfMemory())
        ASSERT(result.IsEmpty());

    if (result.IsEmpty())
        return v8::Local<v8::Value>();

    crashIfV8IsDead();
    return result;
}
v8::Local<v8::Value> ScriptController::callFunctionWithInstrumentation(ScriptExecutionContext* context, v8::Handle<v8::Function> function, v8::Handle<v8::Object> receiver, int argc, v8::Handle<v8::Value> args[])
{
    V8GCController::checkMemoryUsage();

    if (V8RecursionScope::recursionLevel() >= kMaxRecursionDepth)
        return handleMaxRecursionDepthExceeded();

    InspectorInstrumentationCookie cookie;
    if (InspectorInstrumentation::timelineAgentEnabled(context)) {
        String resourceName;
        int lineNumber;
        resourceInfo(function, resourceName, lineNumber);
        cookie = InspectorInstrumentation::willCallFunction(context, resourceName, lineNumber);
    }

    v8::Local<v8::Value> result;
    {
        TRACE_EVENT1("v8", "v8.callFunction", "callsite", resourceString(function).utf8());
        V8RecursionScope recursionScope(context);
        result = function->Call(receiver, argc, args);
    }

    InspectorInstrumentation::didCallFunction(cookie);
    crashIfV8IsDead();
    return result;
}
Beispiel #3
0
v8::Local<v8::Value> V8Proxy::instrumentedCallFunction(Frame* frame, v8::Handle<v8::Function> function, v8::Handle<v8::Object> receiver, int argc, v8::Handle<v8::Value> args[])
{
    V8GCController::checkMemoryUsage();

    if (V8RecursionScope::recursionLevel() >= kMaxRecursionDepth)
        return handleMaxRecursionDepthExceeded();

    ScriptExecutionContext* context = frame ? frame->document() : 0;

    InspectorInstrumentationCookie cookie;
    if (InspectorInstrumentation::hasFrontends() && context) {
        String resourceName;
        int lineNumber;
        resourceInfo(function, resourceName, lineNumber);
        cookie = InspectorInstrumentation::willCallFunction(context, resourceName, lineNumber);
    }

    v8::Local<v8::Value> result;
    {
#if PLATFORM(CHROMIUM)
        TRACE_EVENT1("v8", "v8.callFunction", "callsite", resourceString(function).utf8());
#endif
        V8RecursionScope recursionScope(context);
        result = function->Call(receiver, argc, args);
    }

    InspectorInstrumentation::didCallFunction(cookie);

    if (v8::V8::IsDead())
        handleFatalErrorInV8();

    return result;
}
Beispiel #4
0
v8::Local<v8::Value> V8ScriptRunner::runCompiledScript(v8::Handle<v8::Script> script, ExecutionContext* context, v8::Isolate* isolate)
{
    TRACE_EVENT0("v8", "v8.run");
    TRACE_EVENT_SCOPED_SAMPLING_STATE("V8", "V8Execution");
    if (script.IsEmpty())
        return v8::Local<v8::Value>();

    if (V8RecursionScope::recursionLevel(isolate) >= kMaxRecursionDepth)
        return handleMaxRecursionDepthExceeded(isolate);

    RELEASE_ASSERT(!context->isIteratingOverObservers());

    // Run the script and keep track of the current recursion depth.
    v8::Local<v8::Value> result;
    {
        V8RecursionScope recursionScope(isolate, context);
        result = script->Run();
    }

    if (result.IsEmpty())
        return v8::Local<v8::Value>();

    crashIfV8IsDead();
    return result;
}
Beispiel #5
0
v8::Local<v8::Value> V8ScriptRunner::callFunction(v8::Handle<v8::Function> function, ExecutionContext* context, v8::Handle<v8::Value> receiver, int argc, v8::Handle<v8::Value> args[], v8::Isolate* isolate)
{
    TRACE_EVENT0("v8", "v8.callFunction");
    TRACE_EVENT_SCOPED_SAMPLING_STATE("V8", "V8Execution");

    if (V8RecursionScope::recursionLevel(isolate) >= kMaxRecursionDepth)
        return handleMaxRecursionDepthExceeded(isolate);

    RELEASE_ASSERT(!context->isIteratingOverObservers());

    V8RecursionScope recursionScope(isolate, context);
    v8::Local<v8::Value> result = function->Call(receiver, argc, args);
    crashIfV8IsDead();
    return result;
}
Beispiel #6
0
v8::Local<v8::Value> V8Proxy::runScript(v8::Handle<v8::Script> script)
{
    if (script.IsEmpty())
        return v8::Local<v8::Value>();

    V8GCController::checkMemoryUsage();
    if (V8RecursionScope::recursionLevel() >= kMaxRecursionDepth)
        return handleMaxRecursionDepthExceeded();

    if (handleOutOfMemory())
        ASSERT(script.IsEmpty());

    // Keep Frame (and therefore ScriptController and V8Proxy) alive.
    RefPtr<Frame> protect(frame());

    // Run the script and keep track of the current recursion depth.
    v8::Local<v8::Value> result;
    v8::TryCatch tryCatch;
    tryCatch.SetVerbose(true);
    {
        V8RecursionScope recursionScope(frame()->document());
        result = script->Run();
    }

    if (handleOutOfMemory())
        ASSERT(result.IsEmpty());

    // Handle V8 internal error situation (Out-of-memory).
    if (tryCatch.HasCaught()) {
        ASSERT(result.IsEmpty());
        return v8::Local<v8::Value>();
    }

    if (result.IsEmpty())
        return v8::Local<v8::Value>();

    if (v8::V8::IsDead())
        handleFatalErrorInV8();

    return result;
}
Beispiel #7
0
v8::Local<v8::Value> V8Proxy::instrumentedCallFunction(Frame* frame, v8::Handle<v8::Function> function, v8::Handle<v8::Object> receiver, int argc, v8::Handle<v8::Value> args[])
{
    V8GCController::checkMemoryUsage();

    if (V8RecursionScope::recursionLevel() >= kMaxRecursionDepth)
        return handleMaxRecursionDepthExceeded();

    ScriptExecutionContext* context = frame ? frame->document() : 0;

    InspectorInstrumentationCookie cookie;
    if (InspectorInstrumentation::hasFrontends() && context) {
        String resourceName("undefined");
        int lineNumber = 1;
        v8::ScriptOrigin origin = function->GetScriptOrigin();
        if (!origin.ResourceName().IsEmpty()) {
            resourceName = toWebCoreString(origin.ResourceName());
            lineNumber = function->GetScriptLineNumber() + 1;
        }
        cookie = InspectorInstrumentation::willCallFunction(context, resourceName, lineNumber);
    }

    v8::Local<v8::Value> result;
    {
#if PLATFORM(CHROMIUM)
        TRACE_EVENT0("v8", "v8.callFunction");
#endif
        V8RecursionScope recursionScope(context);
        result = function->Call(receiver, argc, args);
    }

    InspectorInstrumentation::didCallFunction(cookie);

    if (v8::V8::IsDead())
        handleFatalErrorInV8();

    return result;
}