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moc: Error out when detecting unterminated macro usage

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Exhausting the symbol list while looking for the
final right parenthesis means it is missing.

Task-number: QTBUG-29308
Change-Id: Iccf5897b0f5eb719699fd12d6c8e4a16ff189d9b
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
This commit is contained in:
Tor Arne Vestbø 2013-02-12 16:36:40 +01:00 committed by The Qt Project
parent c02a2f8e76
commit eb09f9b82c
3 changed files with 74 additions and 0 deletions
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2
src/tools/moc/preprocessor.cpp
View File

@ -630,6 +630,8 @@ Symbols Preprocessor::macroExpandIdentifier(Preprocessor *that, SymbolStack &sym
if (nesting < 0)
break;
else if (!symbols.hasNext())
that->error("missing ')' in macro usage");
}
// empty VA_ARGS

21
tests/auto/tools/moc/tst_moc.cpp
View File

@ -555,6 +555,7 @@ private slots:
void autoMethodArgumentMetaTypeRegistration();
void parseDefines();
void preprocessorOnly();
void unterminatedFunctionMacro();
signals:
void sigWithUnsignedArg(unsigned foo);
@ -2802,6 +2803,26 @@ void tst_Moc::preprocessorOnly()
#endif
}
void tst_Moc::unterminatedFunctionMacro()
{
#ifdef MOC_CROSS_COMPILED
QSKIP("Not tested when cross-compiled");
#endif
#if defined(Q_OS_LINUX) && defined(Q_CC_GNU) && !defined(QT_NO_PROCESS)
QProcess proc;
proc.start("moc", QStringList() << "-E" << srcify("/unterminated-function-macro.h"));
QVERIFY(proc.waitForFinished());
QCOMPARE(proc.exitCode(), 1);
QCOMPARE(proc.readAllStandardOutput(), QByteArray());
QByteArray errorOutput = proc.readAllStandardError();
QVERIFY(!errorOutput.isEmpty());
QVERIFY(errorOutput.contains("missing ')' in macro usage"));
#else
QSKIP("Only tested on linux/gcc");
#endif
}
QTEST_MAIN(tst_Moc)
#include "tst_moc.moc"

51
tests/auto/tools/moc/unterminated-function-macro.h Normal file
View File

@ -0,0 +1,51 @@
/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the test suite of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** 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, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
class Dummy : public QObject {
Q_OBJECT
}
#define MACRO(arg) do_something(arg)
static void foo() {
MACRO(foo
}