1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
|
/*
* Copyright (C) 2009-2022 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
#include "ExecutableToCodeBlockEdge.h"
#include "GlobalExecutable.h"
#include "UnlinkedEvalCodeBlock.h"
namespace JSC {
class EvalExecutable : public GlobalExecutable {
friend class LLIntOffsetsExtractor;
public:
using Base = GlobalExecutable;
static constexpr unsigned StructureFlags = Base::StructureFlags | StructureIsImmortal;
static void destroy(JSCell*);
EvalCodeBlock* codeBlock()
{
return bitwise_cast<EvalCodeBlock*>(ExecutableToCodeBlockEdge::unwrap(m_evalCodeBlock.get()));
}
Ref<JITCode> generatedJITCode()
{
return generatedJITCodeForCall();
}
static Structure* createStructure(VM& vm, JSGlobalObject* globalObject, JSValue proto)
{
return Structure::create(vm, globalObject, proto, TypeInfo(EvalExecutableType, StructureFlags), info());
}
template<typename CellType, SubspaceAccess mode>
static GCClient::IsoSubspace* subspaceFor(VM& vm)
{
return vm.evalExecutableSpace<mode>();
}
DECLARE_INFO;
unsigned numVariables() { return m_unlinkedEvalCodeBlock->numVariables(); }
unsigned numFunctionHoistingCandidates() { return m_unlinkedEvalCodeBlock->numFunctionHoistingCandidates(); }
unsigned numTopLevelFunctionDecls() { return m_unlinkedEvalCodeBlock->numberOfFunctionDecls(); }
bool allowDirectEvalCache() const { return m_unlinkedEvalCodeBlock->allowDirectEvalCache(); }
NeedsClassFieldInitializer needsClassFieldInitializer() const { return static_cast<NeedsClassFieldInitializer>(m_needsClassFieldInitializer); }
PrivateBrandRequirement privateBrandRequirement() const { return static_cast<PrivateBrandRequirement>(m_privateBrandRequirement); }
TemplateObjectMap& ensureTemplateObjectMap(VM&);
protected:
friend class ExecutableBase;
friend class ScriptExecutable;
using Base::finishCreation;
EvalExecutable(JSGlobalObject*, const SourceCode&, bool inStrictContext, DerivedContextType, bool isArrowFunctionContext, bool isInsideOrdinaryFunction, EvalContextType, NeedsClassFieldInitializer, PrivateBrandRequirement);
DECLARE_VISIT_CHILDREN;
unsigned m_needsClassFieldInitializer : 1;
unsigned m_privateBrandRequirement : 1;
WriteBarrier<ExecutableToCodeBlockEdge> m_evalCodeBlock;
WriteBarrier<UnlinkedEvalCodeBlock> m_unlinkedEvalCodeBlock;
std::unique_ptr<TemplateObjectMap> m_templateObjectMap;
};
} // namespace JSC
|
