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authoraxis <qt-info@nokia.com>2009-04-24 11:34:15 (GMT)
committeraxis <qt-info@nokia.com>2009-04-24 11:34:15 (GMT)
commit8f427b2b914d5b575a4a7c0ed65d2fb8f45acc76 (patch)
treea17e1a767a89542ab59907462206d7dcf2e504b2 /src/3rdparty/webkit/JavaScriptCore/runtime/JSNumberCell.cpp
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Long live Qt for S60!
Diffstat (limited to 'src/3rdparty/webkit/JavaScriptCore/runtime/JSNumberCell.cpp')
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diff --git a/src/3rdparty/webkit/JavaScriptCore/runtime/JSNumberCell.cpp b/src/3rdparty/webkit/JavaScriptCore/runtime/JSNumberCell.cpp
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+/*
+ * 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