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/*
* Copyright (C) 2009-2023 Apple Inc. All rights reserved.
* Copyright (C) 2025 Codeblog CORP.
*
* 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.
*/
#include "config.h"
#include "CachedCall.h"
#include "ExceptionHelpers.h"
#include "Interpreter.h"
#include "JSFunction.h"
#include "ThrowScope.h"
#include "VMEntryScope.h"
#include <wtf/Scope.h>
namespace JSC {
CachedCall::CachedCall(JSGlobalObject* globalObject, JSFunction* function, int argumentCount)
: CallLinkInfoBase(CallSiteType::CachedCall)
, m_vm(globalObject->vm())
, m_entryScope(m_vm, function->scope()->globalObject())
, m_functionExecutable(function->jsExecutable())
, m_scope(function->scope())
{
VM& vm = m_vm;
auto scope = DECLARE_THROW_SCOPE(vm);
#if ASSERT_ENABLED
auto updateValidStatus = makeScopeExit([&] {
m_valid = !scope.exception();
});
#endif
ASSERT(!function->isHostFunctionNonInline());
if (!vm.isSafeToRecurseSoft()) [[unlikely]] {
throwStackOverflowError(globalObject, scope);
return;
}
if (vm.disallowVMEntryCount) [[unlikely]] {
Interpreter::checkVMEntryPermission();
throwStackOverflowError(globalObject, scope);
return;
}
m_arguments.ensureCapacity(argumentCount);
if (m_arguments.hasOverflowed()) [[unlikely]] {
throwOutOfMemoryError(globalObject, scope);
return;
}
auto* newCodeBlock = m_vm.interpreter.prepareForCachedCall(*this, function);
if (scope.exception()) [[unlikely]]
return;
m_numParameters = newCodeBlock->numParameters();
m_protoCallFrame.init(newCodeBlock, function->globalObject(), function, jsUndefined(), nullptr, argumentCount + 1, const_cast<EncodedJSValue*>(m_arguments.data()));
}
void CachedCall::relink()
{
VM& vm = m_vm;
auto scope = DECLARE_THROW_SCOPE(vm);
auto* codeBlock = m_vm.interpreter.prepareForCachedCall(*this, this->function());
RETURN_IF_EXCEPTION(scope, void());
m_protoCallFrame.setCodeBlock(codeBlock);
}
} // namespace JSC
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