CDB: Add nagging about old version of Debugging Tools.

Add utility to figure out DLL/Product versions.

src/libs/utils/winutils.cpp

@@ -31,6 +31,10 @@
 #include <windows.h>
 
 #include <QtCore/QString>
+#include <QtCore/QVector>
+#include <QtCore/QDebug>
+#include <QtCore/QLibrary>
+#include <QtCore/QTextStream>
 
 namespace Utils {
 
@@ -51,4 +55,60 @@ QTCREATOR_UTILS_EXPORT QString winErrorMessage(unsigned long error)
     return rc;
 }
 
+QTCREATOR_UTILS_EXPORT QString winGetDLLVersion(WinDLLVersionType t,
+                                                const QString &name,
+                                                QString *errorMessage)
+{
+    // Resolve required symbols from the version.dll
+    typedef DWORD (APIENTRY *GetFileVersionInfoSizeProtoType)(LPCTSTR, LPDWORD);
+    typedef BOOL (APIENTRY *GetFileVersionInfoWProtoType)(LPCWSTR, DWORD, DWORD, LPVOID);
+    typedef BOOL (APIENTRY *VerQueryValueWProtoType)(const LPVOID, LPWSTR lpSubBlock, LPVOID, PUINT);
+
+    const char *versionDLLC = "version.dll";
+    QLibrary versionLib(QLatin1String(versionDLLC), 0);
+    if (!versionLib.load()) {
+        *errorMessage = QString::fromLatin1("Unable load %1: %2").arg(QLatin1String(versionDLLC), versionLib.errorString());
+        return QString();
+    }
+    // MinGW requires old-style casts
+    GetFileVersionInfoSizeProtoType getFileVersionInfoSizeW = (GetFileVersionInfoSizeProtoType)(versionLib.resolve("GetFileVersionInfoSizeW"));
+    GetFileVersionInfoWProtoType getFileVersionInfoW = (GetFileVersionInfoWProtoType)(versionLib.resolve("GetFileVersionInfoW"));
+    VerQueryValueWProtoType verQueryValueW = (VerQueryValueWProtoType)(versionLib.resolve("VerQueryValueW"));
+    if (!getFileVersionInfoSizeW || !getFileVersionInfoW || !verQueryValueW) {
+        *errorMessage = QString::fromLatin1("Unable to resolve all required symbols in  %1").arg(QLatin1String(versionDLLC));
+        return QString();
+    }
+
+    // Now go ahead, read version info resource
+    DWORD dummy = 0;
+    const LPCTSTR fileName = reinterpret_cast<LPCTSTR>(name.utf16()); // MinGWsy
+    const DWORD infoSize = (*getFileVersionInfoSizeW)(fileName, &dummy);
+    if (infoSize == 0) {
+        *errorMessage = QString::fromLatin1("Unable to determine the size of the version information of %1: %2").arg(name, winErrorMessage(GetLastError()));
+        return QString();
+    }
+    QByteArray dataV(infoSize + 1, '\0');
+    char *data = dataV.data();
+    if (!(*getFileVersionInfoW)(fileName, dummy, infoSize, data)) {
+        *errorMessage = QString::fromLatin1("Unable to determine the version information of %1: %2").arg(name, winErrorMessage(GetLastError()));
+        return QString();
+    }
+    VS_FIXEDFILEINFO  *versionInfo;
+    UINT len = 0;
+    if (!(*verQueryValueW)(data, TEXT("\\"), &versionInfo, &len)) {
+        *errorMessage = QString::fromLatin1("Unable to determine version string of %1: %2").arg(name, winErrorMessage(GetLastError()));
+        return QString();
+    }    
+    QString rc;
+    switch (t) {
+    case WinDLLFileVersion:
+        QTextStream(&rc) << HIWORD(versionInfo->dwFileVersionMS) << '.' << LOWORD(versionInfo->dwFileVersionMS);
+        break;
+    case WinDLLProductVersion:
+        QTextStream(&rc) << HIWORD(versionInfo->dwProductVersionMS) << '.' << LOWORD(versionInfo->dwProductVersionMS);
+        break;
+    }
+    return rc;
+}
+
 } // namespace Utils

src/libs/utils/winutils.h

@@ -42,5 +42,10 @@ namespace Utils {
 // code as returned by the GetLastError()-API.
 QTCREATOR_UTILS_EXPORT QString winErrorMessage(unsigned long error);
 
+// Determine a DLL version
+enum WinDLLVersionType { WinDLLFileVersion, WinDLLProductVersion };
+QTCREATOR_UTILS_EXPORT QString winGetDLLVersion(WinDLLVersionType t,
+                                                const QString &name,
+                                                QString *errorMessage);
 } // namespace Utils
 #endif // WINUTILS_H

src/plugins/debugger/cdb/cdbdebugengine.cpp

@@ -236,7 +236,9 @@ static inline QString libPath(const QString &libName, const QString &path = QStr
     return rc;
 }
 
-bool DebuggerEngineLibrary::init(const QString &path, QString *errorMessage)
+bool DebuggerEngineLibrary::init(const QString &path,
+                                 QString *dbgEngDLL,
+                                 QString *errorMessage)
 {
     // Load the dependent help lib first
     const QString helpLibPath = libPath(QLatin1String(dbgHelpDllC), path);
@@ -252,6 +254,7 @@ bool DebuggerEngineLibrary::init(const QString &path, QString *errorMessage)
         *errorMessage = msgLibLoadFailed(engineLibPath, lib.errorString());
         return false;
     }
+    *dbgEngDLL = engineLibPath;
     // Locate symbols
     void *createFunc = lib.resolve(debugCreateFuncC);
     if (!createFunc) {
@@ -317,9 +320,8 @@ bool CdbDebugEnginePrivate::init(QString *errorMessage)
     enum {  bufLen = 10240 };
     // Load the DLL
     DebuggerEngineLibrary lib;
-    if (!lib.init(m_options->path, errorMessage))
+    if (!lib.init(m_options->path, &m_dbengDLL, errorMessage))
         return false;
-
     // Initialize the COM interfaces
     HRESULT hr;
     hr = lib.debugCreate( __uuidof(IDebugClient5), reinterpret_cast<void**>(&m_cif.debugClient));
@@ -587,9 +589,38 @@ void CdbDebugEnginePrivate::clearDisplay()
     manager()->registerHandler()->removeAll();
 }
 
+void CdbDebugEnginePrivate::checkVersion()
+{
+    static bool versionNotChecked = true;
+    // Check for version 6.11 (extended expression syntax)
+    if (versionNotChecked) {
+        versionNotChecked = false;
+        // Get engine DLL version
+        QString errorMessage;
+        const QString version = Utils::winGetDLLVersion(Utils::WinDLLProductVersion, m_dbengDLL, &errorMessage);
+        if (version.isEmpty()) {
+            qWarning("%s\n", qPrintable(errorMessage));
+            return;
+        }
+        // Compare
+        const double minVersion = 6.11;
+        manager()->showDebuggerOutput(LogMisc, CdbDebugEngine::tr("Version: %1").arg(version));
+        if (version.toDouble() <  minVersion) {
+            const QString msg = CdbDebugEngine::tr(
+                    "<html>The installed version of the <i>Debugging Tools for Windows</i> (%1) "
+                    "is rather old. Upgrading to version %2 is recommended "
+                    "for the proper display of Qt's data types.</html>").arg(version).arg(minVersion);
+            Core::ICore::instance()->showWarningWithOptions(CdbDebugEngine::tr("Debugger"), msg, QString(),
+                                                            QLatin1String(Constants::DEBUGGER_SETTINGS_CATEGORY),
+                                                            CdbOptionsPage::settingsId());
+        }
+    }
+}
+
 void CdbDebugEngine::startDebugger(const QSharedPointer<DebuggerStartParameters> &sp)
 {
     setState(AdapterStarting, Q_FUNC_INFO, __LINE__);
+    m_d->checkVersion();
     if (m_d->m_hDebuggeeProcess) {
         warning(QLatin1String("Internal error: Attempt to start debugger while another process is being debugged."));
         setState(AdapterStartFailed, Q_FUNC_INFO, __LINE__);

src/plugins/debugger/cdb/cdbdebugengine_p.h

@@ -57,7 +57,7 @@ class DebuggerEngineLibrary
 {
 public:
     DebuggerEngineLibrary();
-    bool init(const QString &path, QString *errorMessage);
+    bool init(const QString &path, QString *dbgEngDLL, QString *errorMessage);
 
     inline HRESULT debugCreate(REFIID interfaceId, PVOID *interfaceHandle) const
         { return m_debugCreate(interfaceId, interfaceHandle); }
@@ -108,8 +108,9 @@ struct CdbDebugEnginePrivate
                                    const QSharedPointer<CdbOptions> &options,
                                    CdbDebugEngine* engine);
     bool init(QString *errorMessage);
-    ~CdbDebugEnginePrivate();
+        ~CdbDebugEnginePrivate();
 
+    void checkVersion();
     void processCreatedAttached(ULONG64 processHandle, ULONG64 initialThreadHandle);
     void setDebuggeeHandles(HANDLE hDebuggeeProcess,  HANDLE hDebuggeeThread);
 
@@ -177,6 +178,7 @@ struct CdbDebugEnginePrivate
 
     DebuggerStartMode m_mode;
     Utils::ConsoleProcess m_consoleStubProc;
+    QString m_dbengDLL;
 };
 
 // helper functions