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B3ConstPtrValue.h
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/*
* Copyright (C) 2015-2016 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#
pragma
once
#
if
ENABLE(B3_JIT)
#
include
"
B3Const32Value.h
"
#
include
"
B3Const64Value.h
"
namespace
JSC
{
namespace
B3
{
//
Usually you want to use Const32Value or Const64Value directly. But this is useful for writing
//
platform-agnostic code. Note that a ConstPtrValue will behave like either a Const32Value or
//
Const64Value depending on platform.
typedef
Const64Value ConstPtrValueBase;
class
ConstPtrValue
:
public
ConstPtrValueBase
{
public:
void
*
value
()
const
{
return
std::bit_cast<
void
*>(
ConstPtrValueBase::value
());
}
private:
friend
class
Procedure
;
friend
class
Value
;
template
<
typename
T>
static
Opcode
opcodeFromConstructor
(Origin, T*) {
return
ConstPtrValueBase::opcodeFromConstructor
(); }
template
<
typename
T>
ConstPtrValue
(Origin origin, T* pointer)
: ConstPtrValueBase(origin, std::bit_cast<
intptr_t
>(pointer))
{
}
template
<
typename
T>
static
Opcode
opcodeFromConstructor
(Origin, T) {
return
ConstPtrValueBase::opcodeFromConstructor
(); }
template
<
typename
T>
ConstPtrValue
(Origin origin, T pointer)
: ConstPtrValueBase(origin,
static_cast
<
intptr_t
>(pointer))
{
}
};
} }
//
namespace JSC::B3
#
endif
//
ENABLE(B3_JIT)
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