Mozilla/mozilla/js2/src/js2boolean.cpp
gerv%gerv.net 912583b021 Bug 236613: change to MPL/LGPL/GPL tri-license.
git-svn-id: svn://10.0.0.236/trunk@155485 18797224-902f-48f8-a5cc-f745e15eee43
2004-04-25 15:37:13 +00:00

122 lines
4.9 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
*
* ***** 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 the JavaScript 2 Prototype.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* 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 ***** */
#ifdef _WIN32
#include "msvc_pragma.h"
#endif
#include <algorithm>
#include <list>
#include <map>
#include <stack>
#include "world.h"
#include "utilities.h"
#include "js2value.h"
#include "numerics.h"
#include "reader.h"
#include "parser.h"
#include "regexp.h"
#include "js2engine.h"
#include "bytecodecontainer.h"
#include "js2metadata.h"
namespace JavaScript {
namespace MetaData {
js2val Boolean_Constructor(JS2Metadata *meta, const js2val thisValue, js2val argv[], uint32 argc)
{
js2val thatValue = OBJECT_TO_JS2VAL(new (meta) BooleanInstance(meta, meta->booleanClass->prototype, meta->booleanClass));
BooleanInstance *boolInst = checked_cast<BooleanInstance *>(JS2VAL_TO_OBJECT(thatValue));
DEFINE_ROOTKEEPER(meta, rk, boolInst);
if (argc > 0)
boolInst->mValue = meta->toBoolean(argv[0]);
else
boolInst->mValue = false;
return thatValue;
}
static js2val Boolean_Call(JS2Metadata *meta, const js2val thisValue, js2val argv[], uint32 argc)
{
if (argc > 0)
return BOOLEAN_TO_JS2VAL(meta->toBoolean(argv[0]));
else
return JS2VAL_FALSE;
}
static js2val Boolean_toString(JS2Metadata *meta, const js2val thisValue, js2val * /*argv*/, uint32 /*argc*/)
{
if (!JS2VAL_IS_OBJECT(thisValue)
|| (JS2VAL_TO_OBJECT(thisValue)->kind != SimpleInstanceKind)
|| ((checked_cast<SimpleInstance *>(JS2VAL_TO_OBJECT(thisValue)))->type != meta->booleanClass))
meta->reportError(Exception::typeError, "Boolean.toString called on something other than a boolean thing", meta->engine->errorPos());
BooleanInstance *boolInst = checked_cast<BooleanInstance *>(JS2VAL_TO_OBJECT(thisValue));
return (boolInst->mValue) ? meta->engine->allocString(meta->engine->true_StringAtom) : meta->engine->allocString(meta->engine->false_StringAtom);
}
static js2val Boolean_valueOf(JS2Metadata *meta, const js2val thisValue, js2val * /*argv*/, uint32 /*argc*/)
{
if (!JS2VAL_IS_OBJECT(thisValue)
|| (JS2VAL_TO_OBJECT(thisValue)->kind != SimpleInstanceKind)
|| ((checked_cast<SimpleInstance *>(JS2VAL_TO_OBJECT(thisValue)))->type != meta->booleanClass))
meta->reportError(Exception::typeError, "Boolean.valueOf called on something other than a boolean thing", meta->engine->errorPos());
BooleanInstance *boolInst = checked_cast<BooleanInstance *>(JS2VAL_TO_OBJECT(thisValue));
return (boolInst->mValue) ? JS2VAL_TRUE : JS2VAL_FALSE;
}
void initBooleanObject(JS2Metadata *meta)
{
FunctionData prototypeFunctions[] =
{
{ "toString", 0, Boolean_toString },
{ "valueOf", 0, Boolean_valueOf },
{ NULL }
};
meta->initBuiltinClass(meta->booleanClass, NULL, Boolean_Constructor, Boolean_Call);
meta->booleanClass->prototype = OBJECT_TO_JS2VAL(new (meta) BooleanInstance(meta, OBJECT_TO_JS2VAL(meta->objectClass->prototype), meta->booleanClass));
meta->initBuiltinClassPrototype(meta->booleanClass, &prototypeFunctions[0]);
}
}
}