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/*
* Copyright (C) 2009, 2010, 2013, 2015-2016 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 "BatchedTransitionOptimizer.h"
#include "CodeBlock.h"
#include "CodeCache.h"
#include "Debugger.h"
#include "JIT.h"
#include "JSCInlines.h"
#include "LLIntEntrypoint.h"
#include "ModuleProgramCodeBlock.h"
#include "Parser.h"
#include "TypeProfiler.h"
#include "VMInlines.h"
#include <wtf/CommaPrinter.h>
namespace JSC {
const ClassInfo ModuleProgramExecutable::s_info = { "ModuleProgramExecutable", &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(ModuleProgramExecutable) };
ModuleProgramExecutable::ModuleProgramExecutable(ExecState* exec, const SourceCode& source)
: Base(exec->vm().moduleProgramExecutableStructure.get(), exec->vm(), source, false, DerivedContextType::None, false, EvalContextType::None, NoIntrinsic)
{
ASSERT(source.provider()->sourceType() == SourceProviderSourceType::Module);
VM& vm = exec->vm();
if (vm.typeProfiler() || vm.controlFlowProfiler())
vm.functionHasExecutedCache()->insertUnexecutedRange(sourceID(), typeProfilingStartOffset(vm), typeProfilingEndOffset(vm));
}
ModuleProgramExecutable* ModuleProgramExecutable::create(ExecState* exec, const SourceCode& source)
{
VM& vm = exec->vm();
auto scope = DECLARE_THROW_SCOPE(vm);
JSGlobalObject* globalObject = exec->lexicalGlobalObject();
ModuleProgramExecutable* executable = new (NotNull, allocateCell<ModuleProgramExecutable>(vm.heap)) ModuleProgramExecutable(exec, source);
executable->finishCreation(exec->vm());
ParserError error;
OptionSet<CodeGenerationMode> codeGenerationMode = globalObject->defaultCodeGenerationMode();
UnlinkedModuleProgramCodeBlock* unlinkedModuleProgramCode = vm.codeCache()->getUnlinkedModuleProgramCodeBlock(
vm, executable, executable->source(), codeGenerationMode, error);
if (globalObject->hasDebugger())
globalObject->debugger()->sourceParsed(exec, executable->source().provider(), error.line(), error.message());
if (error.isValid()) {
throwVMError(exec, scope, error.toErrorObject(globalObject, executable->source()));
return nullptr;
}
executable->m_unlinkedModuleProgramCodeBlock.set(exec->vm(), executable, unlinkedModuleProgramCode);
executable->m_moduleEnvironmentSymbolTable.set(exec->vm(), executable, jsCast<SymbolTable*>(unlinkedModuleProgramCode->constantRegister(unlinkedModuleProgramCode->moduleEnvironmentSymbolTableConstantRegisterOffset()).get())->cloneScopePart(exec->vm()));
return executable;
}
void ModuleProgramExecutable::destroy(JSCell* cell)
{
static_cast<ModuleProgramExecutable*>(cell)->ModuleProgramExecutable::~ModuleProgramExecutable();
}
auto ModuleProgramExecutable::ensureTemplateObjectMap(VM&) -> TemplateObjectMap&
{
return ensureTemplateObjectMapImpl(m_templateObjectMap);
}
void ModuleProgramExecutable::visitChildren(JSCell* cell, SlotVisitor& visitor)
{
ModuleProgramExecutable* thisObject = jsCast<ModuleProgramExecutable*>(cell);
ASSERT_GC_OBJECT_INHERITS(thisObject, info());
Base::visitChildren(thisObject, visitor);
visitor.append(thisObject->m_unlinkedModuleProgramCodeBlock);
visitor.append(thisObject->m_moduleEnvironmentSymbolTable);
visitor.append(thisObject->m_moduleProgramCodeBlock);
if (TemplateObjectMap* map = thisObject->m_templateObjectMap.get()) {
auto locker = holdLock(thisObject->cellLock());
for (auto& entry : *map)
visitor.append(entry.value);
}
}
} // namespace JSC