Debugger: Add extension library to be loaded into CDB.exe

src/libs/qtcreatorcdbext/common.cpp

@@ -0,0 +1,120 @@
+/**************************************************************************
+**
+** This file is part of Qt Creator
+**
+** Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
+**
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** Commercial Usage
+**
+** Licensees holding valid Qt Commercial licenses may use this file in
+** accordance with the Qt Commercial License Agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Nokia.
+**
+** GNU Lesser General Public License Usage
+**
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at http://qt.nokia.com/contact.
+**
+**************************************************************************/
+
+#include "common.h"
+#include "iinterfacepointer.h"
+#include <sstream>
+
+std::string winErrorMessage(unsigned long error)
+{
+    char *lpMsgBuf;
+    const int len = FormatMessageA(
+            FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
+            NULL, error, 0, (LPSTR)&lpMsgBuf, 0, NULL);
+    if (len) {
+        const std::string rc(lpMsgBuf, len);
+        LocalFree(lpMsgBuf);
+        return rc;
+    }
+    std::ostringstream str;
+    str << "Unknown error " << error;
+    return str.str();
+}
+
+std::string winErrorMessage()
+{
+    return winErrorMessage(GetLastError());
+}
+
+std::string msgDebugEngineComResult(HRESULT hr)
+{
+    switch (hr) {
+    case S_OK:
+        return std::string("S_OK");
+    case S_FALSE:
+        return std::string("S_FALSE");
+    case E_FAIL:
+        break;
+    case E_INVALIDARG:
+        return std::string("E_INVALIDARG");
+    case E_NOINTERFACE:
+        return std::string("E_NOINTERFACE");
+    case E_OUTOFMEMORY:
+        return std::string("E_OUTOFMEMORY");
+    case E_UNEXPECTED:
+        return std::string("E_UNEXPECTED");
+    case E_NOTIMPL:
+        return std::string("E_NOTIMPL");
+    }
+    if (hr == HRESULT_FROM_WIN32(ERROR_ACCESS_DENIED))
+        return std::string("ERROR_ACCESS_DENIED");;
+    if (hr == HRESULT_FROM_NT(STATUS_CONTROL_C_EXIT))
+        return std::string("STATUS_CONTROL_C_EXIT");
+    return std::string("E_FAIL ") + winErrorMessage(HRESULT_CODE(hr));
+}
+
+std::string msgDebugEngineComFailed(const char *func, HRESULT hr)
+{
+    std::string rc = func;
+    rc += " failed: ";
+    rc += msgDebugEngineComResult(hr);
+    return rc;
+}
+
+ULONG currentThreadId(IDebugSystemObjects *sysObjects)
+{
+    ULONG id = 0;
+    if (sysObjects->GetCurrentThreadId(&id) == S_OK)
+        return id;
+    return 0;
+}
+
+ULONG currentThreadId(CIDebugClient *client)
+{
+    IInterfacePointer<IDebugSystemObjects> sysObjects(client);
+    if (sysObjects)
+        return currentThreadId(sysObjects.data());
+    return 0;
+}
+
+ULONG currentProcessId(IDebugSystemObjects *sysObjects)
+{
+    ULONG64 handle = 0;
+    if (sysObjects->GetCurrentProcessHandle(&handle) == S_OK)
+        return GetProcessId((HANDLE)handle);
+    return 0;
+}
+
+ULONG currentProcessId(CIDebugClient *client)
+{
+    IInterfacePointer<IDebugSystemObjects> sysObjects(client);
+    if (sysObjects)
+        return currentProcessId(sysObjects.data());
+    return 0;
+}