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// Copyright 2020 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "src/execution/local-isolate.h"
#include "src/bigint/bigint.h"
#include "src/execution/isolate.h"
#include "src/execution/thread-id.h"
#include "src/handles/handles-inl.h"
#include "src/logging/local-logger.h"
namespace v8 {
namespace internal {
LocalIsolate::LocalIsolate(Isolate* isolate, ThreadKind kind,
RuntimeCallStats* runtime_call_stats)
: HiddenLocalFactory(isolate),
heap_(isolate->heap(), kind),
isolate_(isolate),
logger_(new LocalLogger(isolate)),
thread_id_(ThreadId::Current()),
stack_limit_(kind == ThreadKind::kMain
? isolate->stack_guard()->real_climit()
: GetCurrentStackPosition() - FLAG_stack_size * KB),
runtime_call_stats_(runtime_call_stats) {}
LocalIsolate::~LocalIsolate() {
if (bigint_processor_) bigint_processor_->Destroy();
}
void LocalIsolate::RegisterDeserializerStarted() {
return isolate_->RegisterDeserializerStarted();
}
void LocalIsolate::RegisterDeserializerFinished() {
return isolate_->RegisterDeserializerFinished();
}
int LocalIsolate::GetNextScriptId() { return isolate_->GetNextScriptId(); }
#if V8_SFI_HAS_UNIQUE_ID
int LocalIsolate::GetNextUniqueSharedFunctionInfoId() {
return isolate_->GetNextUniqueSharedFunctionInfoId();
}
#endif // V8_SFI_HAS_UNIQUE_ID
bool LocalIsolate::is_collecting_type_profile() const {
// TODO(leszeks): Figure out if it makes sense to check this asynchronously.
return isolate_->is_collecting_type_profile();
}
// Used for lazy initialization, based on an assumption that most
// LocalIsolates won't be used to parse any BigInt literals.
void LocalIsolate::InitializeBigIntProcessor() {
bigint_processor_ = bigint::Processor::New(new bigint::Platform());
}
// static
bool StackLimitCheck::HasOverflowed(LocalIsolate* local_isolate) {
return GetCurrentStackPosition() < local_isolate->stack_limit();
}
} // namespace internal
} // namespace v8
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