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
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
|
/*
* Copyright (C) 2009-2021 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 "CodeCache.h"
#include "Debugger.h"
namespace JSC {
const ClassInfo ModuleProgramExecutable::s_info = { "ModuleProgramExecutable"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(ModuleProgramExecutable) };
ModuleProgramExecutable::ModuleProgramExecutable(JSGlobalObject* globalObject, const SourceCode& source)
: Base(globalObject->vm().moduleProgramExecutableStructure.get(), globalObject->vm(), source, StrictModeLexicallyScopedFeature, DerivedContextType::None, false, false, EvalContextType::None, NoIntrinsic)
{
ASSERT(source.provider()->sourceType() == SourceProviderSourceType::Module);
VM& vm = globalObject->vm();
if (vm.typeProfiler() || vm.controlFlowProfiler())
vm.functionHasExecutedCache()->insertUnexecutedRange(sourceID(), typeProfilingStartOffset(), typeProfilingEndOffset());
}
UnlinkedModuleProgramCodeBlock* ModuleProgramExecutable::getUnlinkedCodeBlock(JSGlobalObject* globalObject)
{
VM& vm = globalObject->vm();
auto throwScope = DECLARE_THROW_SCOPE(vm);
UnlinkedModuleProgramCodeBlock* unlinkedModuleProgramCode = unlinkedCodeBlock();
if (unlinkedModuleProgramCode)
RELEASE_AND_RETURN(throwScope, unlinkedModuleProgramCode);
ParserError error;
OptionSet<CodeGenerationMode> codeGenerationMode = globalObject->defaultCodeGenerationMode();
unlinkedModuleProgramCode = vm.codeCache()->getUnlinkedModuleProgramCodeBlock(vm, this, source(), codeGenerationMode, error);
if (globalObject->hasDebugger())
globalObject->debugger()->sourceParsed(globalObject, source().provider(), error.line(), error.message());
if (error.isValid()) {
throwVMError(globalObject, throwScope, error.toErrorObject(globalObject, source()));
return nullptr;
}
m_unlinkedCodeBlock.set(vm, this, unlinkedModuleProgramCode);
VirtualRegister symbolTableReg = VirtualRegister(unlinkedModuleProgramCode->moduleEnvironmentSymbolTableConstantRegisterOffset());
SymbolTable* symbolTable = jsCast<SymbolTable*>(unlinkedModuleProgramCode->getConstant(symbolTableReg));
m_moduleEnvironmentSymbolTable.set(vm, this, symbolTable->cloneScopePart(vm));
RELEASE_AND_RETURN(throwScope, unlinkedModuleProgramCode);
}
ModuleProgramExecutable* ModuleProgramExecutable::create(JSGlobalObject* globalObject, const SourceCode& source)
{
VM& vm = globalObject->vm();
ModuleProgramExecutable* executable = new (NotNull, allocateCell<ModuleProgramExecutable>(vm)) ModuleProgramExecutable(globalObject, source);
executable->finishCreation(vm);
executable->getUnlinkedCodeBlock(globalObject); // This generates and binds unlinked code block.
return executable;
}
void ModuleProgramExecutable::destroy(JSCell* cell)
{
static_cast<ModuleProgramExecutable*>(cell)->ModuleProgramExecutable::~ModuleProgramExecutable();
}
auto ModuleProgramExecutable::ensureTemplateObjectMap(VM&) -> TemplateObjectMap&
{
return ensureTemplateObjectMapImpl(m_templateObjectMap);
}
template<typename Visitor>
void ModuleProgramExecutable::visitChildrenImpl(JSCell* cell, Visitor& visitor)
{
ModuleProgramExecutable* thisObject = jsCast<ModuleProgramExecutable*>(cell);
ASSERT_GC_OBJECT_INHERITS(thisObject, info());
Base::visitChildren(thisObject, visitor);
visitor.append(thisObject->m_moduleEnvironmentSymbolTable);
if (TemplateObjectMap* map = thisObject->m_templateObjectMap.get()) {
Locker locker { thisObject->cellLock() };
for (auto& entry : *map)
visitor.append(entry.value);
}
}
DEFINE_VISIT_CHILDREN(ModuleProgramExecutable);
} // namespace JSC
|
