dart::FunctionDeserializationCluster Class Reference

Inheritance diagram for dart::FunctionDeserializationCluster:

Public Member Functions
	FunctionDeserializationCluster ()
	~FunctionDeserializationCluster ()
void	ReadAlloc (Deserializer *d) override
void	ReadFill (Deserializer *d_) override
void	PostLoad (Deserializer *d, const Array &refs) override
Public Member Functions inherited from dart::DeserializationCluster
	DeserializationCluster (const char *name, bool is_canonical=false, bool is_immutable=false)
virtual	~DeserializationCluster ()
const char *	name () const
bool	is_canonical () const
Public Member Functions inherited from dart::ZoneAllocated
	ZoneAllocated ()
void *	operator new (size_t size)
void *	operator new (size_t size, Zone *zone)
void	operator delete (void *pointer)

Additional Inherited Members
Protected Member Functions inherited from dart::DeserializationCluster
void	ReadAllocFixedSize (Deserializer *deserializer, intptr_t instance_size)
Protected Attributes inherited from dart::DeserializationCluster
const char *const	name_
const bool	is_canonical_
const bool	is_immutable_
intptr_t	start_index_
intptr_t	stop_index_

Detailed Description

Definition at line 1879 of file app_snapshot.cc.

Constructor & Destructor Documentation

FunctionDeserializationCluster()

dart::FunctionDeserializationCluster::FunctionDeserializationCluster ( )

inline

Definition at line 1881 of file app_snapshot.cc.

: DeserializationCluster("Function") {}

~FunctionDeserializationCluster()

dart::FunctionDeserializationCluster::~FunctionDeserializationCluster ( )

inline

Definition at line 1882 of file app_snapshot.cc.

{}

Member Function Documentation

PostLoad()

void dart::FunctionDeserializationCluster::PostLoad ( Deserializer *  d, const Array &  refs  )

inlineoverridevirtual

Reimplemented from dart::DeserializationCluster.

Definition at line 1952 of file app_snapshot.cc.

                                                             {
    if (d->kind() == Snapshot::kFullAOT) {
      Function& func = Function::Handle(d->zone());
      for (intptr_t i = start_index_, n = stop_index_; i < n; i++) {
        func ^= refs.At(i);
        auto const code = func.ptr()->untag()->code();
        ASSERT(code->IsCode());
        if (!Code::IsUnknownDartCode(code)) {
          uword entry_point = code->untag()->entry_point_;
          ASSERT(entry_point != 0);
          func.ptr()->untag()->entry_point_ = entry_point;
          uword unchecked_entry_point = code->untag()->unchecked_entry_point_;
          ASSERT(unchecked_entry_point != 0);
          func.ptr()->untag()->unchecked_entry_point_ = unchecked_entry_point;
        }
      }
    } else if (d->kind() == Snapshot::kFullJIT) {
      Function& func = Function::Handle(d->zone());
      Code& code = Code::Handle(d->zone());
      for (intptr_t i = start_index_, n = stop_index_; i < n; i++) {
        func ^= refs.At(i);
        code = func.CurrentCode();
        if (func.HasCode() && !code.IsDisabled()) {
          func.SetInstructionsSafe(code);  // Set entrypoint.
          func.SetWasCompiled(true);
        } else {
          func.ClearCodeSafe();  // Set code and entrypoint to lazy compile stub
        }
      }
    } else {
      Function& func = Function::Handle(d->zone());
      for (intptr_t i = start_index_, n = stop_index_; i < n; i++) {
        func ^= refs.At(i);
        func.ClearCodeSafe();  // Set code and entrypoint to lazy compile stub.
      }
    }
  }

ReadAlloc()

void dart::FunctionDeserializationCluster::ReadAlloc ( Deserializer *  d )

inlineoverridevirtual

Implements dart::DeserializationCluster.

Definition at line 1884 of file app_snapshot.cc.

                                           {
    ReadAllocFixedSize(d, Function::InstanceSize());
  }

ReadFill()

void dart::FunctionDeserializationCluster::ReadFill ( Deserializer *  d_ )

inlineoverridevirtual

Implements dart::DeserializationCluster.

Definition at line 1888 of file app_snapshot.cc.

                                           {
    Deserializer::Local d(d_);
 
    ASSERT(!is_canonical());  // Never canonical.
    Snapshot::Kind kind = d_->kind();
 
    for (intptr_t id = start_index_, n = stop_index_; id < n; id++) {
      FunctionPtr func = static_cast<FunctionPtr>(d.Ref(id));
      Deserializer::InitializeHeader(func, kFunctionCid,
                                     Function::InstanceSize());
      d.ReadFromTo(func);
 
#if defined(DEBUG)
      func->untag()->entry_point_ = 0;
      func->untag()->unchecked_entry_point_ = 0;
#endif
 
#if defined(DART_PRECOMPILED_RUNTIME)
      ASSERT(kind == Snapshot::kFullAOT);
      const intptr_t code_index = d.ReadUnsigned();
      uword entry_point = 0;
      CodePtr code = d_->GetCodeByIndex(code_index, &entry_point);
      func->untag()->code_ = code;
      if (entry_point != 0) {
        func->untag()->entry_point_ = entry_point;
        func->untag()->unchecked_entry_point_ = entry_point;
      }
#else
      ASSERT(kind != Snapshot::kFullAOT);
      if (kind == Snapshot::kFullJIT) {
        func->untag()->unoptimized_code_ = static_cast<CodePtr>(d.ReadRef());
        func->untag()->code_ = static_cast<CodePtr>(d.ReadRef());
        func->untag()->ic_data_array_ = static_cast<ArrayPtr>(d.ReadRef());
      }
#endif
 
#if !defined(DART_PRECOMPILED_RUNTIME)
      ASSERT(kind != Snapshot::kFullAOT);
      func->untag()->positional_parameter_names_ =
          static_cast<ArrayPtr>(d.ReadRef());
#endif
#if !defined(DART_PRECOMPILED_RUNTIME) ||                                      \
    (defined(DART_PRECOMPILED_RUNTIME) && !defined(PRODUCT))
      func->untag()->token_pos_ = d.ReadTokenPosition();
#endif
#if !defined(DART_PRECOMPILED_RUNTIME)
      func->untag()->end_token_pos_ = d.ReadTokenPosition();
      func->untag()->kernel_offset_ = d.Read<uint32_t>();
      func->untag()->unboxed_parameters_info_.Reset();
      func->untag()->packed_fields_ = d.Read<uint32_t>();
#endif
 
      func->untag()->kind_tag_ = d.Read<uint32_t>();
#if !defined(DART_PRECOMPILED_RUNTIME)
      func->untag()->usage_counter_ = 0;
      func->untag()->optimized_instruction_count_ = 0;
      func->untag()->optimized_call_site_count_ = 0;
      func->untag()->deoptimization_counter_ = 0;
      func->untag()->state_bits_ = 0;
      func->untag()->inlining_depth_ = 0;
#endif
    }
  }

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The documentation for this class was generated from the following file:

• third_party/dart-lang/sdk/runtime/vm/app_snapshot.cc