示例#1
0
文件: ch.cpp 项目: RexSong/ChakraCore
HRESULT RunScript(const char* fileName, LPCWSTR fileContents, BYTE *bcBuffer, char *fullPath)
{
    HRESULT hr = S_OK;
    MessageQueue * messageQueue = new MessageQueue();
    WScriptJsrt::AddMessageQueue(messageQueue);
    LPWSTR fullPathWide = nullptr;

    IfJsErrorFailLog(ChakraRTInterface::JsSetPromiseContinuationCallback(PromiseContinuationCallback, (void*)messageQueue));

    Assert(fileContents != nullptr || bcBuffer != nullptr);
    // TODO: Remove this code in a future iteration once Utf8 versions of the Jsrt API is implemented
    IfFailGo(Helpers::NarrowStringToWideDynamic(fullPath, &fullPathWide));

    JsErrorCode runScript;
    if (bcBuffer != nullptr)
    {
        runScript = ChakraRTInterface::JsRunSerializedScript(fileContents, bcBuffer, WScriptJsrt::GetNextSourceContext(), fullPathWide, nullptr /*result*/);
    }
    else
    {
        runScript = ChakraRTInterface::JsRunScript(fileContents, WScriptJsrt::GetNextSourceContext(), fullPathWide, nullptr /*result*/);
    }

    free(fullPathWide);

    if (runScript != JsNoError)
    {
        WScriptJsrt::PrintException(fileName, runScript);
    }
    else
    {
        // Repeatedly flush the message queue until it's empty. It is necessary to loop on this
        // because setTimeout can add scripts to execute.
        do
        {
            IfFailGo(messageQueue->ProcessAll(fileName));
        } while (!messageQueue->IsEmpty());
    }
Error:
    if (messageQueue != nullptr)
    {
        messageQueue->RemoveAll();
        delete messageQueue;
    }
    return hr;
}
示例#2
0
文件: ch.cpp 项目: mjsabby/ChakraCore
HRESULT RunScript(const char* fileName, LPCSTR fileContents, BYTE *bcBuffer, char *fullPath)
{
    HRESULT hr = S_OK;
    MessageQueue * messageQueue = new MessageQueue();
    WScriptJsrt::AddMessageQueue(messageQueue);

    IfJsErrorFailLog(ChakraRTInterface::JsSetPromiseContinuationCallback(PromiseContinuationCallback, (void*)messageQueue));

    if(strlen(fileName) >= 14 && strcmp(fileName + strlen(fileName) - 14, "ttdSentinal.js") == 0)
    {
#if !ENABLE_TTD
        wprintf(_u("Sential js file is only ok when in TTDebug mode!!!\n"));
        return E_FAIL;
#else
        if(!doTTDebug)
        {
            wprintf(_u("Sential js file is only ok when in TTDebug mode!!!\n"));
            return E_FAIL;
        }

        ChakraRTInterface::JsTTDStart();

        try
        {
            JsTTDMoveMode moveMode = (JsTTDMoveMode)(JsTTDMoveMode::JsTTDMoveKthEvent | ((int64) startEventCount) << 32);
            int64_t snapEventTime = -1;
            int64_t nextEventTime = -2;

            while(true)
            {
                JsErrorCode error = ChakraRTInterface::JsTTDGetSnapTimeTopLevelEventMove(chRuntime, moveMode, &nextEventTime, &snapEventTime, nullptr);

                if(error != JsNoError)
                {
                    if(error == JsErrorCategoryUsage)
                    {
                        wprintf(_u("Start time not in log range.\n"));
                    }

                    return error;
                }

                IfFailedReturn(ChakraRTInterface::JsTTDMoveToTopLevelEvent(chRuntime, moveMode, snapEventTime, nextEventTime));

                JsErrorCode res = ChakraRTInterface::JsTTDReplayExecution(&moveMode, &nextEventTime);

                //handle any uncaught exception by immediately time-traveling to the throwing line in the debugger -- in replay just report and exit
                if(res == JsErrorCategoryScript)
                {
                    wprintf(_u("An unhandled script exception occoured!!!\n"));

                    ExitProcess(0);
                }

                if(nextEventTime == -1)
                {
                    wprintf(_u("\nReached end of Execution -- Exiting.\n"));
                    break;
                }
            }
        }
        catch(...)
        {
            wprintf(_u("Terminal exception in Replay -- exiting.\n"));
            ExitProcess(0);
        }
#endif
    }
    else
    {
        Assert(fileContents != nullptr || bcBuffer != nullptr);

        JsErrorCode runScript;
        JsValueRef fname;
        IfJsErrorFailLog(ChakraRTInterface::JsCreateStringUtf8((const uint8_t*)fullPath,
            strlen(fullPath), &fname));

        if(bcBuffer != nullptr)
        {
            runScript = ChakraRTInterface::JsRunSerialized(
                bcBuffer,
                DummyJsSerializedScriptLoadUtf8Source,
                reinterpret_cast<JsSourceContext>(fileContents),
                // Use source ptr as sourceContext
                fname, nullptr /*result*/);
        }
        else
        {
            JsValueRef scriptSource;
            IfJsErrorFailLog(ChakraRTInterface::JsCreateExternalArrayBuffer((void*)fileContents,
                (unsigned int)strlen(fileContents),
                [](void *data)
                {
                    free(data);
                }, nullptr, &scriptSource));
#if ENABLE_TTD
            if(doTTRecord)
            {
                ChakraRTInterface::JsTTDStart();
            }

            runScript = ChakraRTInterface::JsRun(scriptSource,
                WScriptJsrt::GetNextSourceContext(), fname,
                JsParseScriptAttributeNone, nullptr /*result*/);
            if (runScript == JsErrorCategoryUsage)
            {
                wprintf(_u("FATAL ERROR: Core was compiled without ENABLE_TTD is defined. CH is trying to use TTD interface\n"));
                abort();
            }
#else
            runScript = ChakraRTInterface::JsRun(scriptSource,
                WScriptJsrt::GetNextSourceContext(), fname,
                JsParseScriptAttributeNone,
                nullptr /*result*/);
#endif
        }

        //Do a yield after the main script body executes
        ChakraRTInterface::JsTTDNotifyYield();

        if(runScript != JsNoError)
        {
            WScriptJsrt::PrintException(fileName, runScript);
        }
        else
        {
            // Repeatedly flush the message queue until it's empty. It is necessary to loop on this
            // because setTimeout can add scripts to execute.
            do
            {
                IfFailGo(messageQueue->ProcessAll(fileName));
            } while(!messageQueue->IsEmpty());
        }
    }

Error:
#if ENABLE_TTD
    if(doTTRecord)
    {
        ChakraRTInterface::JsTTDEmitRecording();
        ChakraRTInterface::JsTTDStop();
    }
#endif

    if (messageQueue != nullptr)
    {
        messageQueue->RemoveAll();
        // clean up possible pinned exception object on exit to avoid potential leak
        bool hasException;
        if (ChakraRTInterface::JsHasException(&hasException) == JsNoError && hasException)
        {
            JsValueRef exception = JS_INVALID_REFERENCE;
            ChakraRTInterface::JsGetAndClearException(&exception);
        }
        delete messageQueue;
    }
    return hr;
}
示例#3
0
HRESULT RunScript(const char* fileName, LPCWSTR fileContents, BYTE *bcBuffer, char *fullPath)
{
    HRESULT hr = S_OK;
    MessageQueue * messageQueue = new MessageQueue();
    WScriptJsrt::AddMessageQueue(messageQueue);
    LPWSTR fullPathWide = nullptr;

    IfJsErrorFailLog(ChakraRTInterface::JsSetPromiseContinuationCallback(PromiseContinuationCallback, (void*)messageQueue));

    if(strlen(fileName) >= 14 && strcmp(fileName + strlen(fileName) - 14, "ttdSentinal.js") == 0)
    {
#if !ENABLE_TTD
        wprintf(_u("Sential js file is only ok when in TTDebug mode!!!\n"));
        return E_FAIL;
#else
        if(!doTTDebug)
        {
            wprintf(_u("Sential js file is only ok when in TTDebug mode!!!\n"));
            return E_FAIL;
        }

        ChakraRTInterface::JsTTDStartTimeTravelDebugging();

        try
        {
            INT64 snapEventTime = -1;
            INT64 nextEventTime = -2;

            while(true)
            {
                IfJsErrorFailLog(ChakraRTInterface::JsTTDPrepContextsForTopLevelEventMove(chRuntime, nextEventTime, &snapEventTime));

                ChakraRTInterface::JsTTDMoveToTopLevelEvent(snapEventTime, nextEventTime);

                JsErrorCode res = ChakraRTInterface::JsTTDReplayExecution(&nextEventTime);

                //handle any uncaught exception by immediately time-traveling to the throwing line
                if(res == JsErrorCategoryScript)
                {
                    wprintf(_u("An unhandled script exception occoured!!!\n"));

                    ExitProcess(0);
                }

                if(nextEventTime == -1)
                {
                    wprintf(_u("\nReached end of Execution -- Exiting.\n"));
                    break;
                }
            }
        }
        catch(...)
        {
            wprintf(_u("Terminal exception in Replay -- exiting."));
            ExitProcess(0);
        }
#endif
    }
    else
    {
        Assert(fileContents != nullptr || bcBuffer != nullptr);
        // TODO: Remove this code in a future iteration once Utf8 versions of the Jsrt API is implemented
        IfFailGo(Helpers::NarrowStringToWideDynamic(fullPath, &fullPathWide));

        JsErrorCode runScript;
        if(bcBuffer != nullptr)
        {
            runScript = ChakraRTInterface::JsRunSerializedScript(fileContents, bcBuffer, WScriptJsrt::GetNextSourceContext(), fullPathWide, nullptr /*result*/);
        }
        else
        {
#if ENABLE_TTD
            if(doTTRecord)
            {
                ChakraRTInterface::JsTTDStartTimeTravelRecording();
            }

            runScript = ChakraRTInterface::JsTTDRunScript(-1, fileContents, WScriptJsrt::GetNextSourceContext(), fullPathWide, nullptr /*result*/);
#else
            runScript = ChakraRTInterface::JsRunScript(fileContents, WScriptJsrt::GetNextSourceContext(), fullPathWide, nullptr /*result*/);
#endif
        }

        free(fullPathWide);

        //Do a yield after the main script body executes
        ChakraRTInterface::JsTTDNotifyYield();

        if(runScript != JsNoError)
        {
            WScriptJsrt::PrintException(fileName, runScript);
        }
        else
        {
            // Repeatedly flush the message queue until it's empty. It is necessary to loop on this
            // because setTimeout can add scripts to execute.
            do
            {
                IfFailGo(messageQueue->ProcessAll(fileName));
            } while(!messageQueue->IsEmpty());
        }
    }

Error:
#if ENABLE_TTD
    if(doTTRecord)
    {
        ChakraRTInterface::JsTTDStopTimeTravelRecording();
    }
#endif

    if (messageQueue != nullptr)
    {
        messageQueue->RemoveAll();
        delete messageQueue;
    }
    return hr;
}