1/*
2 * Copyright (C) 2009-2019 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#pragma once
27
28#include "ExecutableToCodeBlockEdge.h"
29#include "GlobalExecutable.h"
30
31namespace JSC {
32
33class ModuleProgramExecutable final : public GlobalExecutable {
34 friend class LLIntOffsetsExtractor;
35public:
36 using Base = GlobalExecutable;
37 static constexpr unsigned StructureFlags = Base::StructureFlags | StructureIsImmortal;
38
39 template<typename CellType, SubspaceAccess mode>
40 static IsoSubspace* subspaceFor(VM& vm)
41 {
42 return vm.moduleProgramExecutableSpace<mode>();
43 }
44
45 static ModuleProgramExecutable* create(JSGlobalObject*, const SourceCode&);
46
47 static void destroy(JSCell*);
48
49 ModuleProgramCodeBlock* codeBlock()
50 {
51 return bitwise_cast<ModuleProgramCodeBlock*>(ExecutableToCodeBlockEdge::unwrap(m_moduleProgramCodeBlock.get()));
52 }
53
54 Ref<JITCode> generatedJITCode()
55 {
56 return generatedJITCodeForCall();
57 }
58
59 static Structure* createStructure(VM& vm, JSGlobalObject* globalObject, JSValue proto)
60 {
61 return Structure::create(vm, globalObject, proto, TypeInfo(ModuleProgramExecutableType, StructureFlags), info());
62 }
63
64 DECLARE_INFO;
65
66 ExecutableInfo executableInfo() const { return ExecutableInfo(usesEval(), isStrictMode(), false, false, ConstructorKind::None, JSParserScriptMode::Module, SuperBinding::NotNeeded, SourceParseMode::ModuleEvaluateMode, derivedContextType(), isArrowFunctionContext(), false, EvalContextType::None); }
67
68 UnlinkedModuleProgramCodeBlock* unlinkedModuleProgramCodeBlock() { return m_unlinkedModuleProgramCodeBlock.get(); }
69
70 SymbolTable* moduleEnvironmentSymbolTable() { return m_moduleEnvironmentSymbolTable.get(); }
71
72 TemplateObjectMap& ensureTemplateObjectMap(VM&);
73
74private:
75 friend class ExecutableBase;
76 friend class ScriptExecutable;
77
78 ModuleProgramExecutable(JSGlobalObject*, const SourceCode&);
79
80 static void visitChildren(JSCell*, SlotVisitor&);
81
82 WriteBarrier<UnlinkedModuleProgramCodeBlock> m_unlinkedModuleProgramCodeBlock;
83 WriteBarrier<SymbolTable> m_moduleEnvironmentSymbolTable;
84 WriteBarrier<ExecutableToCodeBlockEdge> m_moduleProgramCodeBlock;
85 std::unique_ptr<TemplateObjectMap> m_templateObjectMap;
86};
87
88} // namespace JSC
89