qassert.cpp

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// Copyright (C) 2022 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
 
#include "qassert.h"
 
#include <QtCore/qlogging.h>
 
#include <cstdio>
#include <exception>
#ifndef QT_NO_EXCEPTIONS
#include <new>
#endif
 
QT_BEGIN_NAMESPACE
 
/*
    The Q_ASSERT macro calls this function when the test fails.
*/
void qt_assert(const char *assertion, const char *file, int line) noexcept
{
    QMessageLogger(file, line, nullptr)
            .fatal("ASSERT: \"%s\" in file %s, line %d", assertion, file, line);
}
 
/*
    The Q_ASSERT_X macro calls this function when the test fails.
*/
void qt_assert_x(const char *where, const char *what, const char *file, int line) noexcept
{
    QMessageLogger(file, line, nullptr)
            .fatal("ASSERT failure in %s: \"%s\", file %s, line %d", where, what, file, line);
}
 
void qt_check_pointer(const char *n, int l) noexcept
{
    // make separate printing calls so that the first one may flush;
    // the second one could want to allocate memory (fputs prints a
    // newline and stderr auto-flushes).
    fputs("Out of memory", stderr);
    fprintf(stderr, "  in %s, line %d\n", n, l);
 
    std::terminate();
}
 
/*
    \internal
    Allows you to throw an exception without including <new>
    Called internally from Q_CHECK_PTR on certain OS combinations
*/
void qBadAlloc()
{
#ifndef QT_NO_EXCEPTIONS
    throw std::bad_alloc();
#else
    std::terminate();
#endif
}
 
QT_END_NAMESPACE