--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/auto/bic/qbic.cpp Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,246 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 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
+{
+ 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;
+}
+