diff options
Diffstat (limited to 'src/qml/jsruntime/qv4runtime.cpp')
| -rw-r--r-- | src/qml/jsruntime/qv4runtime.cpp | 80 |
1 files changed, 56 insertions, 24 deletions
diff --git a/src/qml/jsruntime/qv4runtime.cpp b/src/qml/jsruntime/qv4runtime.cpp index 0a05c50432..60136a9bd9 100644 --- a/src/qml/jsruntime/qv4runtime.cpp +++ b/src/qml/jsruntime/qv4runtime.cpp @@ -1,37 +1,44 @@ /**************************************************************************** ** -** Copyright (C) 2015 The Qt Company Ltd. -** Contact: http://www.qt.io/licensing/ +** Copyright (C) 2016 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ ** ** This file is part of the QtQml module of the Qt Toolkit. ** -** $QT_BEGIN_LICENSE:LGPL21$ +** $QT_BEGIN_LICENSE:LGPL$ ** 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 The Qt Company. For licensing terms -** and conditions see http://www.qt.io/terms-conditions. For further -** information use the contact form at http://www.qt.io/contact-us. +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/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 or version 3 as published by the Free -** Software Foundation and appearing in the file LICENSE.LGPLv21 and -** LICENSE.LGPLv3 included in the packaging of this file. Please review the -** following information to ensure the GNU Lesser General Public License -** requirements will be met: https://www.gnu.org/licenses/lgpl.html and -** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. ** -** As a special exception, The Qt Company gives you certain additional -** rights. These rights are described in The Qt Company 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 2.0 or (at your option) the GNU General +** Public license version 3 or any later version approved by the KDE Free +** Qt Foundation. The licenses are as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 +** included in the packaging of this file. Please review the following +** information to ensure the GNU General Public License requirements will +** be met: https://www.gnu.org/licenses/gpl-2.0.html and +** https://www.gnu.org/licenses/gpl-3.0.html. ** ** $QT_END_LICENSE$ ** ****************************************************************************/ #include "qv4global_p.h" +#include "qv4engine_p.h" #include "qv4runtime_p.h" #ifndef V4_BOOTSTRAP #include "qv4object_p.h" @@ -43,6 +50,7 @@ #include "qv4dateobject_p.h" #include "qv4lookup_p.h" #include "qv4function_p.h" +#include "qv4numberobject_p.h" #include "private/qlocale_tools_p.h" #include "qv4scopedvalue_p.h" #include <private/qqmlcontextwrapper_p.h> @@ -60,8 +68,6 @@ #include <wtf/MathExtras.h> -#include "../../3rdparty/double-conversion/double-conversion.h" - #ifdef QV4_COUNT_RUNTIME_FUNCTIONS # include <QtCore/QBuffer> # include <QtCore/QDebug> @@ -155,14 +161,14 @@ struct RuntimeCounters::Data { buf.open(QIODevice::WriteOnly); QTextStream outs(&buf); QList<Line> lines; - foreach (const char *func, counters.keys()) { - const Counters &fCount = counters[func]; + for (auto it = counters.cbegin(), end = counters.cend(); it != end; ++it) { + const Counters &fCount = it.value(); for (int i = 0, ei = fCount.size(); i != ei; ++i) { quint64 count = fCount[i]; if (!count) continue; Line line; - line.func = func; + line.func = it.key(); unmangle(i, line.tag1, line.tag2); line.count = count; lines.append(line); @@ -220,16 +226,42 @@ void RuntimeHelpers::numberToString(QString *result, double num, int radix) if (std::isnan(num)) { *result = QStringLiteral("NaN"); return; - } else if (qIsInf(num)) { + } else if (qt_is_inf(num)) { *result = num < 0 ? QStringLiteral("-Infinity") : QStringLiteral("Infinity"); return; } if (radix == 10) { - char str[100]; - double_conversion::StringBuilder builder(str, sizeof(str)); - double_conversion::DoubleToStringConverter::EcmaScriptConverter().ToShortest(num, &builder); - *result = QString::fromLatin1(builder.Finalize()); + // We cannot use our usual locale->toString(...) here, because EcmaScript has special rules + // about the longest permissible number, depending on if it's <0 or >0. + const int ecma_shortest_low = -6; + const int ecma_shortest_high = 21; + + const QLatin1Char zero('0'); + const QLatin1Char dot('.'); + + int decpt = 0; + int sign = 0; + *result = qdtoa(num, &decpt, &sign); + + if (decpt <= ecma_shortest_low || decpt > ecma_shortest_high) { + if (result->length() > 1) + result->insert(1, dot); + result->append(QLatin1Char('e')); + if (decpt > 0) + result->append(QLatin1Char('+')); + result->append(QString::number(decpt - 1)); + } else if (decpt <= 0) { + result->prepend(QString::fromLatin1("0.%1").arg(QString().fill(zero, -decpt))); + } else if (decpt < result->length()) { + result->insert(decpt, dot); + } else { + result->append(QString().fill(zero, decpt - result->length())); + } + + if (sign) + result->prepend(QLatin1Char('-')); + return; } |