1/*
2 * Copyright (C) 2015 Yusuke Suzuki <utatane.tea@gmail.com>.
3 * Copyright (C) 2016-2019 Apple Inc. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
17 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
18 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
19 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
20 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
21 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
22 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27#include "config.h"
28#include "BytecodeIntrinsicRegistry.h"
29
30#include "ArrayIteratorPrototype.h"
31#include "BuiltinNames.h"
32#include "BytecodeGenerator.h"
33#include "IterationKind.h"
34#include "JSAsyncGenerator.h"
35#include "JSCInlines.h"
36#include "JSGenerator.h"
37#include "JSGlobalObject.h"
38#include "JSModuleLoader.h"
39#include "JSPromise.h"
40#include "Nodes.h"
41#include "StrongInlines.h"
42
43namespace JSC {
44
45#define INITIALIZE_BYTECODE_INTRINSIC_NAMES_TO_SET(name) m_bytecodeIntrinsicMap.add(vm.propertyNames->builtinNames().name##PrivateName().impl(), Entry(&BytecodeIntrinsicNode::emit_intrinsic_##name));
46#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);
47
48BytecodeIntrinsicRegistry::BytecodeIntrinsicRegistry(VM& vm)
49 : m_vm(vm)
50 , m_bytecodeIntrinsicMap()
51{
52 JSC_COMMON_BYTECODE_INTRINSIC_FUNCTIONS_EACH_NAME(INITIALIZE_BYTECODE_INTRINSIC_NAMES_TO_SET)
53 JSC_COMMON_BYTECODE_INTRINSIC_CONSTANTS_EACH_NAME(INITIALIZE_BYTECODE_INTRINSIC_NAMES_TO_SET)
54 JSC_FOREACH_LINK_TIME_CONSTANTS(INITIALIZE_BYTECODE_INTRINSIC_NAMES_TO_SET_FOR_LINK_TIME_CONSTANT)
55
56 m_undefined.set(m_vm, jsUndefined());
57 m_Infinity.set(m_vm, jsDoubleNumber(std::numeric_limits<double>::infinity()));
58 m_iterationKindKey.set(m_vm, jsNumber(IterateKey));
59 m_iterationKindValue.set(m_vm, jsNumber(IterateValue));
60 m_iterationKindKeyValue.set(m_vm, jsNumber(IterateKeyValue));
61 m_MAX_ARRAY_INDEX.set(m_vm, jsNumber(MAX_ARRAY_INDEX));
62 m_MAX_STRING_LENGTH.set(m_vm, jsNumber(JSString::MaxLength));
63 m_MAX_SAFE_INTEGER.set(m_vm, jsDoubleNumber(maxSafeInteger()));
64 m_ModuleFetch.set(m_vm, jsNumber(static_cast<unsigned>(JSModuleLoader::Status::Fetch)));
65 m_ModuleInstantiate.set(m_vm, jsNumber(static_cast<unsigned>(JSModuleLoader::Status::Instantiate)));
66 m_ModuleSatisfy.set(m_vm, jsNumber(static_cast<unsigned>(JSModuleLoader::Status::Satisfy)));
67 m_ModuleLink.set(m_vm, jsNumber(static_cast<unsigned>(JSModuleLoader::Status::Link)));
68 m_ModuleReady.set(m_vm, jsNumber(static_cast<unsigned>(JSModuleLoader::Status::Ready)));
69 m_promiseRejectionReject.set(m_vm, jsNumber(static_cast<unsigned>(JSPromiseRejectionOperation::Reject)));
70 m_promiseRejectionHandle.set(m_vm, jsNumber(static_cast<unsigned>(JSPromiseRejectionOperation::Handle)));
71 m_promiseStatePending.set(m_vm, jsNumber(static_cast<unsigned>(JSPromise::Status::Pending)));
72 m_promiseStateFulfilled.set(m_vm, jsNumber(static_cast<unsigned>(JSPromise::Status::Fulfilled)));
73 m_promiseStateRejected.set(m_vm, jsNumber(static_cast<unsigned>(JSPromise::Status::Rejected)));
74 m_promiseStateMask.set(m_vm, jsNumber(JSPromise::stateMask));
75 m_promiseFlagsIsHandled.set(m_vm, jsNumber(JSPromise::isHandledFlag));
76 m_promiseFlagsIsFirstResolvingFunctionCalled.set(m_vm, jsNumber(JSPromise::isFirstResolvingFunctionCalledFlag));
77 // FIXME: Clean up JSInternalObjectImpl field registry.
78 // https://bugs.webkit.org/show_bug.cgi?id=201894
79 m_promiseFieldFlags.set(m_vm, jsNumber(static_cast<unsigned>(JSPromise::Field::Flags)));
80 m_promiseFieldReactionsOrResult.set(m_vm, jsNumber(static_cast<unsigned>(JSPromise::Field::ReactionsOrResult)));
81 m_generatorFieldState.set(m_vm, jsNumber(static_cast<unsigned>(JSGenerator::Field::State)));
82 m_generatorFieldNext.set(m_vm, jsNumber(static_cast<unsigned>(JSGenerator::Field::Next)));
83 m_generatorFieldThis.set(m_vm, jsNumber(static_cast<unsigned>(JSGenerator::Field::This)));
84 m_generatorFieldFrame.set(m_vm, jsNumber(static_cast<unsigned>(JSGenerator::Field::Frame)));
85 m_GeneratorResumeModeNormal.set(m_vm, jsNumber(static_cast<int32_t>(JSGenerator::GeneratorResumeMode::NormalMode)));
86 m_GeneratorResumeModeThrow.set(m_vm, jsNumber(static_cast<int32_t>(JSGenerator::GeneratorResumeMode::ThrowMode)));
87 m_GeneratorResumeModeReturn.set(m_vm, jsNumber(static_cast<int32_t>(JSGenerator::GeneratorResumeMode::ReturnMode)));
88 m_GeneratorStateCompleted.set(m_vm, jsNumber(static_cast<int32_t>(JSGenerator::GeneratorState::Completed)));
89 m_GeneratorStateExecuting.set(m_vm, jsNumber(static_cast<int32_t>(JSGenerator::GeneratorState::Executing)));
90 m_asyncGeneratorFieldSuspendReason.set(m_vm, jsNumber(static_cast<unsigned>(JSAsyncGenerator::Field::SuspendReason)));
91 m_asyncGeneratorFieldQueueFirst.set(m_vm, jsNumber(static_cast<unsigned>(JSAsyncGenerator::Field::QueueFirst)));
92 m_asyncGeneratorFieldQueueLast.set(m_vm, jsNumber(static_cast<unsigned>(JSAsyncGenerator::Field::QueueLast)));
93 m_AsyncGeneratorStateCompleted.set(m_vm, jsNumber(static_cast<int32_t>(JSAsyncGenerator::AsyncGeneratorState::Completed)));
94 m_AsyncGeneratorStateExecuting.set(m_vm, jsNumber(static_cast<int32_t>(JSAsyncGenerator::AsyncGeneratorState::Executing)));
95 m_AsyncGeneratorStateSuspendedStart.set(m_vm, jsNumber(static_cast<int32_t>(JSAsyncGenerator::AsyncGeneratorState::SuspendedStart)));
96 m_AsyncGeneratorStateSuspendedYield.set(m_vm, jsNumber(static_cast<int32_t>(JSAsyncGenerator::AsyncGeneratorState::SuspendedYield)));
97 m_AsyncGeneratorStateAwaitingReturn.set(m_vm, jsNumber(static_cast<int32_t>(JSAsyncGenerator::AsyncGeneratorState::AwaitingReturn)));
98 m_AsyncGeneratorSuspendReasonYield.set(m_vm, jsNumber(static_cast<int32_t>(JSAsyncGenerator::AsyncGeneratorSuspendReason::Yield)));
99 m_AsyncGeneratorSuspendReasonAwait.set(m_vm, jsNumber(static_cast<int32_t>(JSAsyncGenerator::AsyncGeneratorSuspendReason::Await)));
100 m_AsyncGeneratorSuspendReasonNone.set(m_vm, jsNumber(static_cast<int32_t>(JSAsyncGenerator::AsyncGeneratorSuspendReason::None)));
101}
102
103Optional<BytecodeIntrinsicRegistry::Entry> BytecodeIntrinsicRegistry::lookup(const Identifier& ident) const
104{
105 if (!ident.isPrivateName())
106 return WTF::nullopt;
107 auto iterator = m_bytecodeIntrinsicMap.find(ident.impl());
108 if (iterator == m_bytecodeIntrinsicMap.end())
109 return WTF::nullopt;
110 return iterator->value;
111}
112
113#define JSC_DECLARE_BYTECODE_INTRINSIC_CONSTANT_GENERATORS(name) \
114 JSValue BytecodeIntrinsicRegistry::name##Value(BytecodeGenerator&) \
115 { \
116 return m_##name.get(); \
117 }
118 JSC_COMMON_BYTECODE_INTRINSIC_CONSTANTS_SIMPLE_EACH_NAME(JSC_DECLARE_BYTECODE_INTRINSIC_CONSTANT_GENERATORS)
119#undef JSC_DECLARE_BYTECODE_INTRINSIC_CONSTANT_GENERATORS
120
121JSValue BytecodeIntrinsicRegistry::sentinelMapBucketValue(BytecodeGenerator& generator)
122{
123 return generator.vm().sentinelMapBucket();
124}
125
126JSValue BytecodeIntrinsicRegistry::sentinelSetBucketValue(BytecodeGenerator& generator)
127{
128 return generator.vm().sentinelSetBucket();
129}
130
131} // namespace JSC
132
133