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/*
* Copyright (C) 2003-2006, 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 "JSImmediate.h"
#include "BooleanConstructor.h"
#include "BooleanPrototype.h"
#include "Error.h"
#include "ExceptionHelpers.h"
#include "JSGlobalObject.h"
#include "JSNotAnObject.h"
#include "NumberConstructor.h"
#include "NumberPrototype.h"
namespace JSC {
JSObject* JSImmediate::toThisObject(JSValue v, ExecState* exec)
{
ASSERT(isImmediate(v));
if (isNumber(v))
return constructNumber(exec, v);
if (isBoolean(v))
return constructBooleanFromImmediateBoolean(exec, v);
ASSERT(v.isUndefinedOrNull());
return exec->globalThisValue();
}
JSObject* JSImmediate::toObject(JSValue v, ExecState* exec)
{
ASSERT(isImmediate(v));
if (isNumber(v))
return constructNumber(exec, v);
if (isBoolean(v))
return constructBooleanFromImmediateBoolean(exec, v);
JSNotAnObjectErrorStub* exception = createNotAnObjectErrorStub(exec, v.isNull());
exec->setException(exception);
return new (exec) JSNotAnObject(exec, exception);
}
JSObject* JSImmediate::prototype(JSValue v, ExecState* exec)
{
ASSERT(isImmediate(v));
if (isNumber(v))
return exec->lexicalGlobalObject()->numberPrototype();
if (isBoolean(v))
return exec->lexicalGlobalObject()->booleanPrototype();
JSNotAnObjectErrorStub* exception = createNotAnObjectErrorStub(exec, v.isNull());
exec->setException(exception);
return new (exec) JSNotAnObject(exec, exception);
}
UString JSImmediate::toString(JSValue v)
{
ASSERT(isImmediate(v));
if (isIntegerNumber(v))
return UString::from(getTruncatedInt32(v));
#if USE(ALTERNATE_JSIMMEDIATE)
if (isNumber(v)) {
ASSERT(isDoubleNumber(v));
double value = doubleValue(v);
if (value == 0.0) // +0.0 or -0.0
return "0";
return UString::from(value);
}
#else
ASSERT(!isNumber(v));
#endif
if (jsBoolean(false) == v)
return "false";
if (jsBoolean(true) == v)
return "true";
if (v.isNull())
return "null";
ASSERT(v.isUndefined());
return "undefined";
}
NEVER_INLINE double JSImmediate::nonInlineNaN()
{
return std::numeric_limits<double>::quiet_NaN();
}
} // namespace JSC
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