Mozilla/mozilla/js/tamarin/core/NumberClass.cpp
gerv%gerv.net 0a3a70857a Bug 236613: fix formatting of MPL/LGPL/GPL tri-license.
git-svn-id: svn://10.0.0.236/trunk@220064 18797224-902f-48f8-a5cc-f745e15eee43
2007-02-13 18:05:02 +00:00

117 lines
4.0 KiB
C++

/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is [Open Source Virtual Machine.].
*
* The Initial Developer of the Original Code is
* Adobe System Incorporated.
* Portions created by the Initial Developer are Copyright (C) 2004-2006
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Adobe AS3 Team
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "avmplus.h"
namespace avmplus
{
BEGIN_NATIVE_MAP(NumberClass)
NATIVE_METHOD(Number_private__toString, NumberClass::numberToString)
NATIVE_METHOD(Number_private__convert, NumberClass::convert)
END_NATIVE_MAP()
NumberClass::NumberClass(VTable* cvtable)
: ClassClosure(cvtable)
{
toplevel()->numberClass = this;
// prototype objects are always vanilla objects.
createVanillaPrototype();
}
Atom NumberClass::construct(int argc, Atom* argv)
{
// Number called as constructor creates new Number instance
// Note: SpiderMonkey returns 0 for new Number() with no args
if (argc == 0)
return 0|kIntegerType; // yep this is zero atom
else
return core()->numberAtom(argv[1]);
// TODO ArgumentError if argc > 1
}
Stringp NumberClass::convert(double n, int precision, int mode)
{
AvmCore* core = this->core();
if (mode == MathUtils::DTOSTR_PRECISION)
{
if (precision < 1 || precision > 21) {
toplevel()->throwRangeError(kInvalidPrecisionError, core->toErrorString(precision), core->toErrorString(1), core->toErrorString(21));
}
}
else
{
if (precision < 0 || precision > 20) {
toplevel()->throwRangeError(kInvalidPrecisionError, core->toErrorString(precision), core->toErrorString(0), core->toErrorString(20));
}
}
wchar buffer[312];
int len;
MathUtils::convertDoubleToString(n,
buffer,
len,
mode,
precision);
return new (core->GetGC()) String(buffer,len);
}
Stringp NumberClass::numberToString(double dVal, int radix)
{
AvmCore* core = this->core();
if (radix == 10 || MathUtils::isInfinite(dVal) || MathUtils::isNaN(dVal))
return core->doubleToString(dVal);
if (radix < 2 || radix > 36)
toplevel()->throwRangeError(kInvalidRadixError, core->toErrorString(radix));
// convertDoubleToStringRadix will convert the integer part of dVal
// to a string in the specified radix, and it will handle large numbers
// beyond the range of int/uint. It will not handle the fractional
// part. To properly handle that, MathUtils::convertDoubleToString
// would have to handle any base. That's a lot of extra code and complexity for
// something the ES3 spec says is implementation dependent
// (i.e. we're not required to do it)
return MathUtils::convertDoubleToStringRadix(core, dVal, radix);
}
}