dart::compiler::ObjectPoolBuilder Class Reference

#include <object_pool_builder.h>

Inheritance diagram for dart::compiler::ObjectPoolBuilder:

Public Member Functions
	ObjectPoolBuilder (ObjectPoolBuilder *parent=nullptr)
	~ObjectPoolBuilder ()
void	Reset ()
void	InitializeWithZone (Zone *zone)
intptr_t	AddObject (const Object &obj, ObjectPoolBuilderEntry::Patchability patchable=ObjectPoolBuilderEntry::kNotPatchable, ObjectPoolBuilderEntry::SnapshotBehavior snapshot_behavior=ObjectPoolBuilderEntry::kSnapshotable)
intptr_t	AddImmediate (uword imm, ObjectPoolBuilderEntry::Patchability patchable=ObjectPoolBuilderEntry::kNotPatchable, ObjectPoolBuilderEntry::SnapshotBehavior snapshotability=ObjectPoolBuilderEntry::kSnapshotable)
intptr_t	AddImmediate64 (uint64_t imm)
intptr_t	AddImmediate128 (simd128_value_t imm)
intptr_t	FindObject (const Object &obj, ObjectPoolBuilderEntry::Patchability patchable=ObjectPoolBuilderEntry::kNotPatchable, ObjectPoolBuilderEntry::SnapshotBehavior snapshot_behavior=ObjectPoolBuilderEntry::kSnapshotable)
intptr_t	FindObject (const Object &obj, const Object &equivalence)
intptr_t	FindImmediate (uword imm)
intptr_t	FindImmediate64 (uint64_t imm)
intptr_t	FindImmediate128 (simd128_value_t imm)
intptr_t	FindNativeFunction (const ExternalLabel *label, ObjectPoolBuilderEntry::Patchability patchable)
intptr_t	CurrentLength () const
ObjectPoolBuilderEntry &	EntryAt (intptr_t i)
const ObjectPoolBuilderEntry &	EntryAt (intptr_t i) const
intptr_t	AddObject (ObjectPoolBuilderEntry entry)
bool	TryCommitToParent ()
bool	HasParent () const
Public Member Functions inherited from dart::ValueObject
	ValueObject ()
	~ValueObject ()

Detailed Description

Definition at line 193 of file object_pool_builder.h.

Constructor & Destructor Documentation

ObjectPoolBuilder()

dart::compiler::ObjectPoolBuilder::ObjectPoolBuilder ( ObjectPoolBuilder *  parent = nullptr )

inlineexplicit

Definition at line 201 of file object_pool_builder.h.

      : parent_(parent),
        base_index_(parent != nullptr ? parent->CurrentLength() : 0),
        zone_(nullptr) {}

~ObjectPoolBuilder()

dart::compiler::ObjectPoolBuilder::~ObjectPoolBuilder ( )

inline

Definition at line 206 of file object_pool_builder.h.

                       {
    if (zone_ != nullptr) {
      Reset();
      zone_ = nullptr;
    }
  }

Member Function Documentation

AddImmediate()

intptr_t dart::compiler::ObjectPoolBuilder::AddImmediate	(	uword	imm,
		ObjectPoolBuilderEntry::Patchability	patchable = ObjectPoolBuilderEntry::kNotPatchable,
		ObjectPoolBuilderEntry::SnapshotBehavior	snapshotability = ObjectPoolBuilderEntry::kSnapshotable
	)

Definition at line 666 of file assembler_base.cc.

                                                            {
  return AddObject(ObjectPoolBuilderEntry(
      imm, ObjectPoolBuilderEntry::kImmediate, patchable, snapshotability));
}

AddImmediate128()

intptr_t dart::compiler::ObjectPoolBuilder::AddImmediate128

(

simd128_value_t

imm

)

Definition at line 684 of file assembler_base.cc.

                                                               {
  return AddObject(
      ObjectPoolBuilderEntry(imm, ObjectPoolBuilderEntry::kImmediate128,
                             ObjectPoolBuilderEntry::kNotPatchable));
}

AddImmediate64()

intptr_t dart::compiler::ObjectPoolBuilder::AddImmediate64

(

uint64_t

imm

)

Definition at line 674 of file assembler_base.cc.

                                                       {
#if defined(TARGET_ARCH_IS_32_BIT)
  return AddObject(
      ObjectPoolBuilderEntry(imm, ObjectPoolBuilderEntry::kImmediate64,
                             ObjectPoolBuilderEntry::kNotPatchable));
#else
  return AddImmediate(imm);
#endif
}

AddObject() [1/2]

intptr_t dart::compiler::ObjectPoolBuilder::AddObject	(	const Object &	obj,
		ObjectPoolBuilderEntry::Patchability	patchable = ObjectPoolBuilderEntry::kNotPatchable,
		ObjectPoolBuilderEntry::SnapshotBehavior	snapshot_behavior = ObjectPoolBuilderEntry::kSnapshotable
	)

Definition at line 658 of file assembler_base.cc.

                                                              {
  DEBUG_ASSERT(IsNotTemporaryScopedHandle(obj));
  return AddObject(ObjectPoolBuilderEntry(&obj, patchable, snapshot_behavior));
}

AddObject() [2/2]

intptr_t dart::compiler::ObjectPoolBuilder::AddObject

(

ObjectPoolBuilderEntry

entry

)

Definition at line 690 of file assembler_base.cc.

                                                                  {
  DEBUG_ASSERT((entry.type() != ObjectPoolBuilderEntry::kTaggedObject) ||
               (IsNotTemporaryScopedHandle(*entry.obj_) &&
                (entry.equivalence_ == nullptr ||
                 IsNotTemporaryScopedHandle(*entry.equivalence_))));
 
  if (entry.type() == ObjectPoolBuilderEntry::kTaggedObject) {
    // If the owner of the object pool wrapper specified a specific zone we
    // should use we'll do so.
    if (zone_ != nullptr) {
      entry.obj_ = &NewZoneHandle(zone_, *entry.obj_);
      if (entry.equivalence_ != nullptr) {
        entry.equivalence_ = &NewZoneHandle(zone_, *entry.equivalence_);
      }
    }
  }
 
#if defined(TARGET_ARCH_IS_32_BIT)
  if (entry.type() == ObjectPoolBuilderEntry::kImmediate64) {
    ASSERT(entry.patchable() == ObjectPoolBuilderEntry::kNotPatchable);
    uint64_t imm = entry.imm64_;
    intptr_t idx = AddImmediate(Utils::Low32Bits(imm));
    AddImmediate(Utils::High32Bits(imm));
    object_pool_index_table_.Insert(ObjIndexPair(entry, idx));
    return idx;
  }
  if (entry.type() == ObjectPoolBuilderEntry::kImmediate128) {
    ASSERT(entry.patchable() == ObjectPoolBuilderEntry::kNotPatchable);
    intptr_t idx = AddImmediate(entry.imm128_.int_storage[0]);
    AddImmediate(entry.imm128_.int_storage[1]);
    AddImmediate(entry.imm128_.int_storage[2]);
    AddImmediate(entry.imm128_.int_storage[3]);
    object_pool_index_table_.Insert(ObjIndexPair(entry, idx));
    return idx;
  }
#else
  if (entry.type() == ObjectPoolBuilderEntry::kImmediate128) {
    ASSERT(entry.patchable() == ObjectPoolBuilderEntry::kNotPatchable);
    uword lo64 =
        (static_cast<uword>(entry.imm128_.int_storage[0]) & 0xffffffff) |
        (static_cast<uword>(entry.imm128_.int_storage[1]) << 32);
    uword hi64 =
        (static_cast<uword>(entry.imm128_.int_storage[2]) & 0xffffffff) |
        (static_cast<uword>(entry.imm128_.int_storage[3]) << 32);
    intptr_t idx = AddImmediate(lo64);
    AddImmediate(hi64);
    object_pool_index_table_.Insert(ObjIndexPair(entry, idx));
    return idx;
  }
#endif
 
  const intptr_t idx = base_index_ + object_pool_.length();
  object_pool_.Add(entry);
  if (entry.patchable() == ObjectPoolBuilderEntry::kNotPatchable) {
    // The object isn't patchable. Record the index for fast lookup.
    object_pool_index_table_.Insert(ObjIndexPair(entry, idx));
  }
  return idx;
}

CurrentLength()

intptr_t dart::compiler::ObjectPoolBuilder::CurrentLength ( ) const

inline

Definition at line 256 of file object_pool_builder.h.

                                 {
    return object_pool_.length() + used_from_parent_.length();
  }

EntryAt() [1/2]

ObjectPoolBuilderEntry & dart::compiler::ObjectPoolBuilder::EntryAt ( intptr_t  i )

inline

Definition at line 259 of file object_pool_builder.h.

                                              {
    if (i < used_from_parent_.length()) {
      return parent_->EntryAt(used_from_parent_[i]);
    }
    return object_pool_[i - used_from_parent_.length()];
  }

EntryAt() [2/2]

const ObjectPoolBuilderEntry & dart::compiler::ObjectPoolBuilder::EntryAt ( intptr_t  i ) const

inline

Definition at line 265 of file object_pool_builder.h.

                                                          {
    if (i < used_from_parent_.length()) {
      return parent_->EntryAt(used_from_parent_[i]);
    }
    return object_pool_[i - used_from_parent_.length()];
  }

FindImmediate()

intptr_t dart::compiler::ObjectPoolBuilder::FindImmediate

(

uword

imm

)

Definition at line 784 of file assembler_base.cc.

                                                   {
  return FindObject(
      ObjectPoolBuilderEntry(imm, ObjectPoolBuilderEntry::kImmediate,
                             ObjectPoolBuilderEntry::kNotPatchable));
}

FindImmediate128()

intptr_t dart::compiler::ObjectPoolBuilder::FindImmediate128

(

simd128_value_t

imm

)

Definition at line 800 of file assembler_base.cc.

                                                                {
  return FindObject(
      ObjectPoolBuilderEntry(imm, ObjectPoolBuilderEntry::kImmediate128,
                             ObjectPoolBuilderEntry::kNotPatchable));
}

FindImmediate64()

intptr_t dart::compiler::ObjectPoolBuilder::FindImmediate64

(

uint64_t

imm

)

Definition at line 790 of file assembler_base.cc.

                                                        {
#if defined(TARGET_ARCH_IS_32_BIT)
  return FindObject(
      ObjectPoolBuilderEntry(imm, ObjectPoolBuilderEntry::kImmediate64,
                             ObjectPoolBuilderEntry::kNotPatchable));
#else
  return FindImmediate(imm);
#endif
}

FindNativeFunction()

intptr_t dart::compiler::ObjectPoolBuilder::FindNativeFunction	(	const ExternalLabel *	label,
		ObjectPoolBuilderEntry::Patchability	patchable
	)

Definition at line 806 of file assembler_base.cc.

                                                  {
  return FindObject(ObjectPoolBuilderEntry(
      label->address(), ObjectPoolBuilderEntry::kNativeFunction, patchable));
}

FindObject() [1/2]

intptr_t dart::compiler::ObjectPoolBuilder::FindObject	(	const Object &	obj,
		const Object &	equivalence
	)

Definition at line 778 of file assembler_base.cc.

                                                                  {
  return FindObject(ObjectPoolBuilderEntry(
      &obj, &equivalence, ObjectPoolBuilderEntry::kNotPatchable));
}

FindObject() [2/2]

intptr_t dart::compiler::ObjectPoolBuilder::FindObject	(	const Object &	obj,
		ObjectPoolBuilderEntry::Patchability	patchable = ObjectPoolBuilderEntry::kNotPatchable,
		ObjectPoolBuilderEntry::SnapshotBehavior	snapshot_behavior = ObjectPoolBuilderEntry::kSnapshotable
	)

Definition at line 771 of file assembler_base.cc.

                                                              {
  return FindObject(ObjectPoolBuilderEntry(&obj, patchable, snapshot_behavior));
}

HasParent()

bool dart::compiler::ObjectPoolBuilder::HasParent ( ) const

inline

Definition at line 279 of file object_pool_builder.h.

{ return parent_ != nullptr; }

InitializeWithZone()

void dart::compiler::ObjectPoolBuilder::InitializeWithZone ( Zone *  zone )

inline

Definition at line 222 of file object_pool_builder.h.

                                      {
    ASSERT(object_pool_.length() == 0);
    ASSERT(zone_ == nullptr && zone != nullptr);
    zone_ = zone;
  }

Reset()

void dart::compiler::ObjectPoolBuilder::Reset

(

)

Definition at line 645 of file assembler_base.cc.

                              {
  // Null out the handles we've accumulated.
  for (intptr_t i = 0; i < object_pool_.length(); ++i) {
    if (object_pool_[i].type() == ObjectPoolBuilderEntry::kTaggedObject) {
      SetToNull(const_cast<Object*>(object_pool_[i].obj_));
      SetToNull(const_cast<Object*>(object_pool_[i].equivalence_));
    }
  }
 
  object_pool_.Clear();
  object_pool_index_table_.Clear();
}

TryCommitToParent()

bool dart::compiler::ObjectPoolBuilder::TryCommitToParent

(

)

Definition at line 813 of file assembler_base.cc.

                                          {
  ASSERT(parent_ != nullptr);
  if (parent_->CurrentLength() != base_index_) {
    return false;
  }
  for (intptr_t i = 0; i < object_pool_.length(); i++) {
    intptr_t idx = parent_->AddObject(object_pool_[i]);
    ASSERT(idx == (base_index_ + i));
  }
  return true;
}

---

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

• third_party/dart-lang/sdk/runtime/vm/compiler/assembler/object_pool_builder.h
• third_party/dart-lang/sdk/runtime/vm/compiler/assembler/assembler_base.cc