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darling-JavaScriptCore/bytecode/BytecodeIntrinsicRegistry.cpp

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/*
* Copyright (C) 2015 Yusuke Suzuki <utatane.tea@gmail.com>.
* Copyright (C) 2016-2019 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.
*/
#include "config.h"
#include "BytecodeIntrinsicRegistry.h"
#include "BuiltinNames.h"
#include "BytecodeGenerator.h"
#include "IdentifierInlines.h"
#include "IterationKind.h"
#include "JSArrayIterator.h"
#include "JSAsyncGenerator.h"
#include "JSGenerator.h"
#include "JSGlobalObject.h"
#include "JSMapIterator.h"
#include "JSModuleLoader.h"
#include "JSPromise.h"
#include "JSSetIterator.h"
#include "JSStringIterator.h"
#include "LinkTimeConstant.h"
#include "Nodes.h"
#include "StrongInlines.h"
namespace JSC {
#define INITIALIZE_BYTECODE_INTRINSIC_NAMES_TO_SET(name) m_bytecodeIntrinsicMap.add(vm.propertyNames->builtinNames().name##PrivateName().impl(), Entry(&BytecodeIntrinsicNode::emit_intrinsic_##name));
#define INITIALIZE_BYTECODE_INTRINSIC_NAMES_TO_SET_FOR_LINK_TIME_CONSTANT(name, code) m_bytecodeIntrinsicMap.add(vm.propertyNames->builtinNames().name##PrivateName().impl(), JSC::LinkTimeConstant::name);
BytecodeIntrinsicRegistry::BytecodeIntrinsicRegistry(VM& vm)
: m_vm(vm)
, m_bytecodeIntrinsicMap()
{
JSC_COMMON_BYTECODE_INTRINSIC_FUNCTIONS_EACH_NAME(INITIALIZE_BYTECODE_INTRINSIC_NAMES_TO_SET)
JSC_COMMON_BYTECODE_INTRINSIC_CONSTANTS_EACH_NAME(INITIALIZE_BYTECODE_INTRINSIC_NAMES_TO_SET)
JSC_FOREACH_LINK_TIME_CONSTANTS(INITIALIZE_BYTECODE_INTRINSIC_NAMES_TO_SET_FOR_LINK_TIME_CONSTANT)
m_undefined.set(m_vm, jsUndefined());
m_Infinity.set(m_vm, jsDoubleNumber(std::numeric_limits<double>::infinity()));
m_iterationKindKey.set(m_vm, jsNumber(static_cast<unsigned>(IterationKind::Keys)));
m_iterationKindValue.set(m_vm, jsNumber(static_cast<unsigned>(IterationKind::Values)));
m_iterationKindEntries.set(m_vm, jsNumber(static_cast<unsigned>(IterationKind::Entries)));
m_MAX_ARRAY_INDEX.set(m_vm, jsNumber(MAX_ARRAY_INDEX));
m_MAX_STRING_LENGTH.set(m_vm, jsNumber(JSString::MaxLength));
m_MAX_SAFE_INTEGER.set(m_vm, jsDoubleNumber(maxSafeInteger()));
m_ModuleFetch.set(m_vm, jsNumber(static_cast<unsigned>(JSModuleLoader::Status::Fetch)));
m_ModuleInstantiate.set(m_vm, jsNumber(static_cast<unsigned>(JSModuleLoader::Status::Instantiate)));
m_ModuleSatisfy.set(m_vm, jsNumber(static_cast<unsigned>(JSModuleLoader::Status::Satisfy)));
m_ModuleLink.set(m_vm, jsNumber(static_cast<unsigned>(JSModuleLoader::Status::Link)));
m_ModuleReady.set(m_vm, jsNumber(static_cast<unsigned>(JSModuleLoader::Status::Ready)));
m_promiseRejectionReject.set(m_vm, jsNumber(static_cast<unsigned>(JSPromiseRejectionOperation::Reject)));
m_promiseRejectionHandle.set(m_vm, jsNumber(static_cast<unsigned>(JSPromiseRejectionOperation::Handle)));
m_promiseStatePending.set(m_vm, jsNumber(static_cast<unsigned>(JSPromise::Status::Pending)));
m_promiseStateFulfilled.set(m_vm, jsNumber(static_cast<unsigned>(JSPromise::Status::Fulfilled)));
m_promiseStateRejected.set(m_vm, jsNumber(static_cast<unsigned>(JSPromise::Status::Rejected)));
m_promiseStateMask.set(m_vm, jsNumber(JSPromise::stateMask));
m_promiseFlagsIsHandled.set(m_vm, jsNumber(JSPromise::isHandledFlag));
m_promiseFlagsIsFirstResolvingFunctionCalled.set(m_vm, jsNumber(JSPromise::isFirstResolvingFunctionCalledFlag));
// FIXME: Clean up JSInternalObjectImpl field registry.
// https://bugs.webkit.org/show_bug.cgi?id=201894
m_promiseFieldFlags.set(m_vm, jsNumber(static_cast<unsigned>(JSPromise::Field::Flags)));
m_promiseFieldReactionsOrResult.set(m_vm, jsNumber(static_cast<unsigned>(JSPromise::Field::ReactionsOrResult)));
m_generatorFieldState.set(m_vm, jsNumber(static_cast<unsigned>(JSGenerator::Field::State)));
m_generatorFieldNext.set(m_vm, jsNumber(static_cast<unsigned>(JSGenerator::Field::Next)));
m_generatorFieldThis.set(m_vm, jsNumber(static_cast<unsigned>(JSGenerator::Field::This)));
m_generatorFieldFrame.set(m_vm, jsNumber(static_cast<unsigned>(JSGenerator::Field::Frame)));
m_GeneratorResumeModeNormal.set(m_vm, jsNumber(static_cast<int32_t>(JSGenerator::GeneratorResumeMode::NormalMode)));
m_GeneratorResumeModeThrow.set(m_vm, jsNumber(static_cast<int32_t>(JSGenerator::GeneratorResumeMode::ThrowMode)));
m_GeneratorResumeModeReturn.set(m_vm, jsNumber(static_cast<int32_t>(JSGenerator::GeneratorResumeMode::ReturnMode)));
m_GeneratorStateCompleted.set(m_vm, jsNumber(static_cast<int32_t>(JSGenerator::GeneratorState::Completed)));
m_GeneratorStateExecuting.set(m_vm, jsNumber(static_cast<int32_t>(JSGenerator::GeneratorState::Executing)));
m_arrayIteratorFieldIteratedObject.set(m_vm, jsNumber(static_cast<int32_t>(JSArrayIterator::Field::IteratedObject)));
m_arrayIteratorFieldIndex.set(m_vm, jsNumber(static_cast<int32_t>(JSArrayIterator::Field::Index)));
m_arrayIteratorFieldKind.set(m_vm, jsNumber(static_cast<int32_t>(JSArrayIterator::Field::Kind)));
m_mapIteratorFieldMapBucket.set(m_vm, jsNumber(static_cast<int32_t>(JSMapIterator::Field::MapBucket)));
m_mapIteratorFieldKind.set(m_vm, jsNumber(static_cast<int32_t>(JSMapIterator::Field::Kind)));
m_setIteratorFieldSetBucket.set(m_vm, jsNumber(static_cast<int32_t>(JSSetIterator::Field::SetBucket)));
m_setIteratorFieldKind.set(m_vm, jsNumber(static_cast<int32_t>(JSSetIterator::Field::Kind)));
m_stringIteratorFieldIndex.set(m_vm, jsNumber(static_cast<int32_t>(JSStringIterator::Field::Index)));
m_stringIteratorFieldIteratedString.set(m_vm, jsNumber(static_cast<int32_t>(JSStringIterator::Field::IteratedString)));
m_asyncGeneratorFieldSuspendReason.set(m_vm, jsNumber(static_cast<unsigned>(JSAsyncGenerator::Field::SuspendReason)));
m_asyncGeneratorFieldQueueFirst.set(m_vm, jsNumber(static_cast<unsigned>(JSAsyncGenerator::Field::QueueFirst)));
m_asyncGeneratorFieldQueueLast.set(m_vm, jsNumber(static_cast<unsigned>(JSAsyncGenerator::Field::QueueLast)));
m_AsyncGeneratorStateCompleted.set(m_vm, jsNumber(static_cast<int32_t>(JSAsyncGenerator::AsyncGeneratorState::Completed)));
m_AsyncGeneratorStateExecuting.set(m_vm, jsNumber(static_cast<int32_t>(JSAsyncGenerator::AsyncGeneratorState::Executing)));
m_AsyncGeneratorStateSuspendedStart.set(m_vm, jsNumber(static_cast<int32_t>(JSAsyncGenerator::AsyncGeneratorState::SuspendedStart)));
m_AsyncGeneratorStateSuspendedYield.set(m_vm, jsNumber(static_cast<int32_t>(JSAsyncGenerator::AsyncGeneratorState::SuspendedYield)));
m_AsyncGeneratorStateAwaitingReturn.set(m_vm, jsNumber(static_cast<int32_t>(JSAsyncGenerator::AsyncGeneratorState::AwaitingReturn)));
m_AsyncGeneratorSuspendReasonYield.set(m_vm, jsNumber(static_cast<int32_t>(JSAsyncGenerator::AsyncGeneratorSuspendReason::Yield)));
m_AsyncGeneratorSuspendReasonAwait.set(m_vm, jsNumber(static_cast<int32_t>(JSAsyncGenerator::AsyncGeneratorSuspendReason::Await)));
m_AsyncGeneratorSuspendReasonNone.set(m_vm, jsNumber(static_cast<int32_t>(JSAsyncGenerator::AsyncGeneratorSuspendReason::None)));
m_useIntlDateTimeFormatDayPeriod.set(m_vm, jsBoolean(Options::useIntlDateTimeFormatDayPeriod()));
}
Optional<BytecodeIntrinsicRegistry::Entry> BytecodeIntrinsicRegistry::lookup(const Identifier& ident) const
{
if (!ident.isPrivateName())
return WTF::nullopt;
auto iterator = m_bytecodeIntrinsicMap.find(ident.impl());
if (iterator == m_bytecodeIntrinsicMap.end())
return WTF::nullopt;
return iterator->value;
}
#define JSC_DECLARE_BYTECODE_INTRINSIC_CONSTANT_GENERATORS(name) \
JSValue BytecodeIntrinsicRegistry::name##Value(BytecodeGenerator&) \
{ \
return m_##name.get(); \
}
JSC_COMMON_BYTECODE_INTRINSIC_CONSTANTS_SIMPLE_EACH_NAME(JSC_DECLARE_BYTECODE_INTRINSIC_CONSTANT_GENERATORS)
#undef JSC_DECLARE_BYTECODE_INTRINSIC_CONSTANT_GENERATORS
JSValue BytecodeIntrinsicRegistry::sentinelMapBucketValue(BytecodeGenerator& generator)
{
return generator.vm().sentinelMapBucket();
}
JSValue BytecodeIntrinsicRegistry::sentinelSetBucketValue(BytecodeGenerator& generator)
{
return generator.vm().sentinelSetBucket();
}
} // namespace JSC
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