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author | axis <qt-info@nokia.com> | 2009-04-24 11:34:15 (GMT) |
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committer | axis <qt-info@nokia.com> | 2009-04-24 11:34:15 (GMT) |
commit | 8f427b2b914d5b575a4a7c0ed65d2fb8f45acc76 (patch) | |
tree | a17e1a767a89542ab59907462206d7dcf2e504b2 /src/3rdparty/webkit/JavaScriptCore/runtime/JSNumberCell.cpp | |
download | Qt-8f427b2b914d5b575a4a7c0ed65d2fb8f45acc76.zip Qt-8f427b2b914d5b575a4a7c0ed65d2fb8f45acc76.tar.gz Qt-8f427b2b914d5b575a4a7c0ed65d2fb8f45acc76.tar.bz2 |
Long live Qt for S60!
Diffstat (limited to 'src/3rdparty/webkit/JavaScriptCore/runtime/JSNumberCell.cpp')
-rw-r--r-- | src/3rdparty/webkit/JavaScriptCore/runtime/JSNumberCell.cpp | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/src/3rdparty/webkit/JavaScriptCore/runtime/JSNumberCell.cpp b/src/3rdparty/webkit/JavaScriptCore/runtime/JSNumberCell.cpp new file mode 100644 index 0000000..efda0c6 --- /dev/null +++ b/src/3rdparty/webkit/JavaScriptCore/runtime/JSNumberCell.cpp @@ -0,0 +1,124 @@ +/* + * Copyright (C) 1999-2002 Harri Porten (porten@kde.org) + * Copyright (C) 2001 Peter Kelly (pmk@post.com) + * Copyright (C) 2004, 2007, 2008 Apple Inc. All rights reserved. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public License + * along with this library; see the file COPYING.LIB. If not, write to + * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + * Boston, MA 02110-1301, USA. + * + */ + +#include "config.h" +#include "JSNumberCell.h" + +#include "NumberObject.h" +#include "UString.h" + +namespace JSC { + +JSValuePtr JSNumberCell::toPrimitive(ExecState*, PreferredPrimitiveType) const +{ + return const_cast<JSNumberCell*>(this); +} + +bool JSNumberCell::getPrimitiveNumber(ExecState*, double& number, JSValuePtr& value) +{ + number = m_value; + value = this; + return true; +} + +bool JSNumberCell::toBoolean(ExecState*) const +{ + return m_value < 0.0 || m_value > 0.0; // false for NaN +} + +double JSNumberCell::toNumber(ExecState*) const +{ + return m_value; +} + +UString JSNumberCell::toString(ExecState*) const +{ + if (m_value == 0.0) // +0.0 or -0.0 + return "0"; + return UString::from(m_value); +} + +UString JSNumberCell::toThisString(ExecState*) const +{ + if (m_value == 0.0) // +0.0 or -0.0 + return "0"; + return UString::from(m_value); +} + +JSObject* JSNumberCell::toObject(ExecState* exec) const +{ + return constructNumber(exec, const_cast<JSNumberCell*>(this)); +} + +JSObject* JSNumberCell::toThisObject(ExecState* exec) const +{ + return constructNumber(exec, const_cast<JSNumberCell*>(this)); +} + +bool JSNumberCell::getUInt32(uint32_t& uint32) const +{ + uint32 = static_cast<uint32_t>(m_value); + return uint32 == m_value; +} + +bool JSNumberCell::getTruncatedInt32(int32_t& int32) const +{ + if (!(m_value >= -2147483648.0 && m_value < 2147483648.0)) + return false; + int32 = static_cast<int32_t>(m_value); + return true; +} + +bool JSNumberCell::getTruncatedUInt32(uint32_t& uint32) const +{ + if (!(m_value >= 0.0 && m_value < 4294967296.0)) + return false; + uint32 = static_cast<uint32_t>(m_value); + return true; +} + +JSValuePtr JSNumberCell::getJSNumber() +{ + return this; +} + +NEVER_INLINE JSValuePtr jsNumberCell(ExecState* exec, double d) +{ + return new (exec) JSNumberCell(exec, d); +} + +NEVER_INLINE JSValuePtr jsNaN(ExecState* exec) +{ + return new (exec) JSNumberCell(exec, NaN); +} + +NEVER_INLINE JSValuePtr jsNumberCell(JSGlobalData* globalData, double d) +{ + return new (globalData) JSNumberCell(globalData, d); +} + +NEVER_INLINE JSValuePtr jsNaN(JSGlobalData* globalData) +{ + return new (globalData) JSNumberCell(globalData, NaN); +} + +} // namespace JSC |