1 files changed, 250 insertions, 0 deletions
diff --git a/tests/auto/bic/qbic.cpp b/tests/auto/bic/qbic.cpp
new file mode 100644
index 00000000..cb69572c
--- /dev/null
+++ b/tests/auto/bic/qbic.cpp
@@ -0,0 +1,250 @@
+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the test suite of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** 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.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+
+#include "qbic.h"
+
+#include "QtCore/qfile.h"
+#include "QtCore/qdebug.h"
+
+void QBic::addBlacklistedClass(const QString &wildcard)
+{
+    blackList.append(QRegExp(wildcard, Qt::CaseSensitive, QRegExp::Wildcard));
+}
+
+void QBic::removeBlacklistedClass(const QString &wildcard)
+{
+    blackList.removeAll(QRegExp(wildcard, Qt::CaseSensitive, QRegExp::Wildcard));
+}
+
+bool QBic::isBlacklisted(const QString &className) const
+{
+    // all templates are blacklisted
+    if (className.contains('<'))
+        return true;
+
+    for (int i = 0; i < blackList.count(); ++i)
+        if (blackList.at(i).exactMatch(className))
+            return true;
+    return false;
+}
+
+static QStringList normalizedVTable(const QStringList &entry)
+{
+    QStringList normalized;
+
+    for (int i = 2; i < entry.count(); ++i) {
+        const QString line = entry.at(i).simplified();
+        bool isOk = false;
+        int num = line.left(line.indexOf(QLatin1Char(' '))).toInt(&isOk);
+        if (!isOk) {
+            qWarning("unrecognized line: %s", qPrintable(line));
+            continue;
+        }
+
+        QString sym = line.mid(line.indexOf(QLatin1Char(' ')) + 1);
+        if (sym.startsWith(QLatin1Char('('))) {
+            if (sym.endsWith(QLatin1Char(')'))) {
+                sym = sym.mid(sym.lastIndexOf('(') + 1);
+                sym.chop(1);
+            } else {
+                sym = sym.mid(sym.lastIndexOf(QLatin1Char(')')) + 1);
+            }
+        } else {
+            sym = sym.left(sym.indexOf(QLatin1Char('(')));
+        }
+
+        if (sym.startsWith(QLatin1String("& ")))
+            sym.remove(1, 1);
+
+        if (sym.startsWith(QLatin1String("-0")) || sym.startsWith(QLatin1String("0"))) {
+            if (sym.endsWith('u'))
+                sym.chop(1);
+
+            bool isOk = false;
+            qint64 num = sym.toLongLong(&isOk, 16);
+            if (!isOk) {
+                qWarning("unrecognized token: %s", qPrintable(sym));
+                continue;
+            }
+            if (sizeof(void*) == 4)
+                sym = QString::number(int(num));
+            else
+                sym = QString::number(num);
+        }
+
+        normalized << QString::number(num) + QLatin1Char(' ') + sym;
+    }
+
+    return normalized;
+}
+
+QBic::Info QBic::parseOutput(const QByteArray &ba) const
+{
+    Info info;
+    const QStringList source = QString::fromLatin1(ba).split("\n\n");
+
+    foreach(QString str, source) {
+        QStringList entry = str.split('\n');
+        if (entry.count() < 2)
+            continue;
+        if (entry.at(0).startsWith("Class ")) {
+            const QString className = entry.at(0).mid(6);
+            if (isBlacklisted(className))
+                continue;
+            QRegExp rx("size=(\\d+)");
+            if  (rx.indexIn(entry.at(1)) == -1) {
+                qWarning("Could not parse class information for className %s", className.toLatin1().constData());
+                continue;
+            }
+            info.classSizes[className] = rx.cap(1).toInt();
+        } else if (entry.at(0).startsWith("Vtable for ")) {
+            const QString className = entry.at(0).mid(11);
+            if (isBlacklisted(className))
+                continue;
+            info.classVTables[className] = normalizedVTable(entry);
+        }
+    }
+
+    return info;
+}
+
+QBic::Info QBic::parseFile(const QString &fileName) const
+{
+    QFile f(fileName);
+    if (!f.open(QIODevice::ReadOnly | QIODevice::Text))
+        return Info();
+
+    QByteArray ba = f.readAll();
+    f.close();
+
+    return parseOutput(ba);
+}
+
+enum VTableDiffResult { Match, Mismatch, Reimp };
+static VTableDiffResult diffVTableEntry(const QString &v1, const QString &v2)
+{
+    if (v1 == v2)
+        return Match;
+    if (v2.endsWith(QLatin1String("__cxa_pure_virtual")))
+        return Reimp;
+    if (!v1.contains(QLatin1String("::")) || !v2.contains(QLatin1String("::")))
+        return Mismatch;
+
+    const QString sym1 = v1.mid(v1.lastIndexOf(QLatin1String("::")) + 2);
+    const QString sym2 = v2.mid(v2.lastIndexOf(QLatin1String("::")) + 2);
+
+    if (sym1 == sym2)
+        return Reimp;
+
+    return Mismatch;
+}
+
+QBic::VTableDiff QBic::diffVTables(const Info &oldLib, const Info &newLib) const
+{
+    VTableDiff result;
+
+    for (QHash<QString, QStringList>::const_iterator it = newLib.classVTables.constBegin();
+            it != newLib.classVTables.constEnd(); ++it) {
+        if (!oldLib.classVTables.contains(it.key())) {
+            result.addedVTables.append(it.key());
+            continue;
+        }
+        const QStringList oldVTable = oldLib.classVTables.value(it.key());
+        const QStringList vTable = it.value();
+        if (vTable.count() != oldVTable.count()) {
+            result.modifiedVTables.append(QPair<QString, QString>(it.key(),
+                        QLatin1String("size mismatch")));
+            continue;
+        }
+
+        for (int i = 0; i < vTable.count(); ++i) {
+            VTableDiffResult diffResult = diffVTableEntry(vTable.at(i), oldVTable.at(i));
+            switch (diffResult) {
+            case Match:
+                // do nothing
+                break;
+            case Mismatch:
+                result.modifiedVTables.append(QPair<QString, QString>(oldVTable.at(i),
+                            vTable.at(i)));
+                break;
+            case Reimp:
+                result.reimpMethods.append(QPair<QString, QString>(oldVTable.at(i), vTable.at(i)));
+                break;
+            }
+        }
+    }
+
+    for (QHash<QString, QStringList>::const_iterator it = oldLib.classVTables.constBegin();
+            it != oldLib.classVTables.constEnd(); ++it) {
+        if (!newLib.classVTables.contains(it.key()))
+            result.removedVTables.append(it.key());
+    }
+
+    return result;
+}
+
+QBic::SizeDiff QBic::diffSizes(const Info &oldLib, const Info &newLib) const
+{
+    QBic::SizeDiff result;
+
+    for (QHash<QString, int>::const_iterator it = newLib.classSizes.constBegin();
+            it != newLib.classSizes.constEnd(); ++it) {
+        if (!oldLib.classSizes.contains(it.key())) {
+            result.added.append(it.key());
+            continue;
+        }
+        int oldSize = oldLib.classSizes.value(it.key());
+        int newSize = it.value();
+
+        if (oldSize != newSize)
+            result.mismatch.append(it.key());
+    }
+
+    for (QHash<QString, int>::const_iterator it = oldLib.classSizes.constBegin();
+            it != oldLib.classSizes.constEnd(); ++it) {
+        if (!newLib.classSizes.contains(it.key()))
+            result.removed.append(it.key());
+    }
+
+    return result;
+}
+