asiva@google.com
9155bc295c
Review URL: https://chromiumcodereview.appspot.com//10866004 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@11096 260f80e4-7a28-3924-810f-c04153c831b5
2093 lines
70 KiB
C++
2093 lines
70 KiB
C++
// Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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#include "vm/bigint_operations.h"
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#include "vm/object.h"
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#include "vm/object_store.h"
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#include "vm/snapshot.h"
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#include "vm/symbols.h"
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#include "vm/visitor.h"
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namespace dart {
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#define NEW_OBJECT(type) \
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((kind == Snapshot::kFull) ? reader->New##type() : type::New())
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#define NEW_OBJECT_WITH_LEN(type, len) \
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((kind == Snapshot::kFull) ? reader->New##type(len) : type::New(len))
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static uword BigintAllocator(intptr_t size) {
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Zone* zone = Isolate::Current()->current_zone();
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return zone->AllocUnsafe(size);
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}
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RawClass* Class::ReadFrom(SnapshotReader* reader,
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intptr_t object_id,
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intptr_t tags,
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Snapshot::Kind kind) {
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ASSERT(reader != NULL);
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Class& cls = Class::ZoneHandle(reader->isolate(), Class::null());
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if ((kind == Snapshot::kFull) ||
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(kind == Snapshot::kScript && !RawObject::IsCreatedFromSnapshot(tags))) {
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// Read in the base information.
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intptr_t class_id = reader->ReadIntptrValue();
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bool is_signature_class = reader->Read<bool>();
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// Allocate class object of specified kind.
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if (kind == Snapshot::kFull) {
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cls = reader->NewClass(class_id, is_signature_class);
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} else {
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cls = Class::GetClass(class_id, is_signature_class);
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}
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reader->AddBackRef(object_id, &cls, kIsDeserialized);
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// Set the object tags.
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cls.set_tags(tags);
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// Set all non object fields.
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cls.set_instance_size(reader->ReadIntptrValue());
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cls.set_type_arguments_instance_field_offset(reader->ReadIntptrValue());
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cls.set_next_field_offset(reader->ReadIntptrValue());
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cls.set_num_native_fields(reader->ReadIntptrValue());
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cls.set_token_pos(reader->ReadIntptrValue());
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cls.set_state_bits(reader->Read<uint8_t>());
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// Set all the object fields.
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// TODO(5411462): Need to assert No GC can happen here, even though
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// allocations may happen.
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intptr_t num_flds = (cls.raw()->to() - cls.raw()->from());
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for (intptr_t i = 0; i <= num_flds; i++) {
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*(cls.raw()->from() + i) = reader->ReadObjectRef();
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}
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} else {
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cls ^= reader->ReadClassId(object_id);
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}
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return cls.raw();
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}
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void RawClass::WriteTo(SnapshotWriter* writer,
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intptr_t object_id,
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Snapshot::Kind kind) {
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ASSERT(writer != NULL);
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// Write out the serialization header value for this object.
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writer->WriteInlinedObjectHeader(object_id);
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if ((kind == Snapshot::kFull) ||
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(kind == Snapshot::kScript &&
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!RawObject::IsCreatedFromSnapshot(writer->GetObjectTags(this)))) {
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// Write out the class and tags information.
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writer->WriteVMIsolateObject(kClassCid);
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writer->WriteIntptrValue(writer->GetObjectTags(this));
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// Write out all the non object pointer fields.
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// NOTE: cpp_vtable_ is not written.
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writer->WriteIntptrValue(ptr()->id_);
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writer->Write<bool>(Class::IsSignatureClass(this) ? true : false);
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writer->WriteIntptrValue(ptr()->instance_size_);
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writer->WriteIntptrValue(ptr()->type_arguments_instance_field_offset_);
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writer->WriteIntptrValue(ptr()->next_field_offset_);
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writer->WriteIntptrValue(ptr()->num_native_fields_);
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writer->WriteIntptrValue(ptr()->token_pos_);
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writer->Write<uint8_t>(ptr()->state_bits_);
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// Write out all the object pointer fields.
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SnapshotWriterVisitor visitor(writer);
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visitor.VisitPointers(from(), to());
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} else {
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writer->WriteClassId(this);
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}
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}
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RawUnresolvedClass* UnresolvedClass::ReadFrom(SnapshotReader* reader,
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intptr_t object_id,
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intptr_t tags,
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Snapshot::Kind kind) {
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ASSERT(reader != NULL);
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// Allocate parameterized type object.
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UnresolvedClass& unresolved_class = UnresolvedClass::ZoneHandle(
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reader->isolate(), NEW_OBJECT(UnresolvedClass));
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reader->AddBackRef(object_id, &unresolved_class, kIsDeserialized);
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// Set the object tags.
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unresolved_class.set_tags(tags);
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// Set all non object fields.
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unresolved_class.set_token_pos(reader->ReadIntptrValue());
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// Set all the object fields.
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// TODO(5411462): Need to assert No GC can happen here, even though
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// allocations may happen.
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intptr_t num_flds = (unresolved_class.raw()->to() -
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unresolved_class.raw()->from());
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for (intptr_t i = 0; i <= num_flds; i++) {
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*(unresolved_class.raw()->from() + i) = reader->ReadObjectRef();
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}
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return unresolved_class.raw();
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}
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void RawUnresolvedClass::WriteTo(SnapshotWriter* writer,
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intptr_t object_id,
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Snapshot::Kind kind) {
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ASSERT(writer != NULL);
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// Write out the serialization header value for this object.
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writer->WriteInlinedObjectHeader(object_id);
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// Write out the class and tags information.
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writer->WriteVMIsolateObject(kUnresolvedClassCid);
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writer->WriteIntptrValue(writer->GetObjectTags(this));
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// Write out all the non object pointer fields.
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writer->WriteIntptrValue(ptr()->token_pos_);
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// Write out all the object pointer fields.
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SnapshotWriterVisitor visitor(writer);
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visitor.VisitPointers(from(), to());
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}
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RawAbstractType* AbstractType::ReadFrom(SnapshotReader* reader,
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intptr_t object_id,
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intptr_t tags,
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Snapshot::Kind kind) {
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UNREACHABLE(); // AbstractType is an abstract class.
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return NULL;
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}
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void RawAbstractType::WriteTo(SnapshotWriter* writer,
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intptr_t object_id,
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Snapshot::Kind kind) {
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UNREACHABLE(); // AbstractType is an abstract class.
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}
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RawType* Type::ReadFrom(SnapshotReader* reader,
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intptr_t object_id,
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intptr_t tags,
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Snapshot::Kind kind) {
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ASSERT(reader != NULL);
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// Allocate parameterized type object.
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Type& parameterized_type = Type::ZoneHandle(
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reader->isolate(), NEW_OBJECT(Type));
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reader->AddBackRef(object_id, ¶meterized_type, kIsDeserialized);
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// Set the object tags.
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parameterized_type.set_tags(tags);
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// Set all non object fields.
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parameterized_type.set_token_pos(reader->ReadIntptrValue());
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parameterized_type.set_type_state(reader->Read<int8_t>());
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// Set all the object fields.
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// TODO(5411462): Need to assert No GC can happen here, even though
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// allocations may happen.
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intptr_t num_flds = (parameterized_type.raw()->to() -
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parameterized_type.raw()->from());
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for (intptr_t i = 0; i <= num_flds; i++) {
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*(parameterized_type.raw()->from() + i) = reader->ReadObjectImpl();
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}
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// If object needs to be a canonical object, Canonicalize it.
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if ((kind != Snapshot::kFull) && parameterized_type.IsCanonical()) {
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parameterized_type ^= parameterized_type.Canonicalize();
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}
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return parameterized_type.raw();
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}
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void RawType::WriteTo(SnapshotWriter* writer,
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intptr_t object_id,
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Snapshot::Kind kind) {
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ASSERT(writer != NULL);
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// Write out the serialization header value for this object.
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writer->WriteInlinedObjectHeader(object_id);
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// Write out the class and tags information.
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writer->WriteVMIsolateObject(kTypeCid);
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writer->WriteIntptrValue(writer->GetObjectTags(this));
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// Write out all the non object pointer fields.
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writer->WriteIntptrValue(ptr()->token_pos_);
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writer->Write<int8_t>(ptr()->type_state_);
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// Write out all the object pointer fields.
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SnapshotWriterVisitor visitor(writer, false);
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visitor.VisitPointers(from(), to());
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}
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RawTypeParameter* TypeParameter::ReadFrom(SnapshotReader* reader,
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intptr_t object_id,
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intptr_t tags,
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Snapshot::Kind kind) {
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ASSERT(reader != NULL);
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// Allocate type parameter object.
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TypeParameter& type_parameter = TypeParameter::ZoneHandle(
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reader->isolate(), NEW_OBJECT(TypeParameter));
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reader->AddBackRef(object_id, &type_parameter, kIsDeserialized);
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// Set the object tags.
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type_parameter.set_tags(tags);
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// Set all non object fields.
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type_parameter.set_index(reader->ReadIntptrValue());
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type_parameter.set_token_pos(reader->ReadIntptrValue());
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type_parameter.set_type_state(reader->Read<int8_t>());
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// Set all the object fields.
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// TODO(5411462): Need to assert No GC can happen here, even though
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// allocations may happen.
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intptr_t num_flds = (type_parameter.raw()->to() -
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type_parameter.raw()->from());
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for (intptr_t i = 0; i <= num_flds; i++) {
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*(type_parameter.raw()->from() + i) = reader->ReadObjectImpl();
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}
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return type_parameter.raw();
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}
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void RawTypeParameter::WriteTo(SnapshotWriter* writer,
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intptr_t object_id,
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Snapshot::Kind kind) {
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ASSERT(writer != NULL);
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// Write out the serialization header value for this object.
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writer->WriteInlinedObjectHeader(object_id);
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// Write out the class and tags information.
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writer->WriteVMIsolateObject(kTypeParameterCid);
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writer->WriteIntptrValue(writer->GetObjectTags(this));
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// Write out all the non object pointer fields.
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writer->WriteIntptrValue(ptr()->index_);
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writer->WriteIntptrValue(ptr()->token_pos_);
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writer->Write<int8_t>(ptr()->type_state_);
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// Write out all the object pointer fields.
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SnapshotWriterVisitor visitor(writer, false);
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visitor.VisitPointers(from(), to());
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}
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RawAbstractTypeArguments* AbstractTypeArguments::ReadFrom(
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SnapshotReader* reader,
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intptr_t object_id,
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intptr_t tags,
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Snapshot::Kind kind) {
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UNREACHABLE(); // AbstractTypeArguments is an abstract class.
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return TypeArguments::null();
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}
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void RawAbstractTypeArguments::WriteTo(SnapshotWriter* writer,
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intptr_t object_id,
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Snapshot::Kind kind) {
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UNREACHABLE(); // AbstractTypeArguments is an abstract class.
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}
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RawTypeArguments* TypeArguments::ReadFrom(SnapshotReader* reader,
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intptr_t object_id,
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intptr_t tags,
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Snapshot::Kind kind) {
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ASSERT(reader != NULL);
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// Read the length so that we can determine instance size to allocate.
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intptr_t len = reader->ReadSmiValue();
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TypeArguments& type_arguments = TypeArguments::ZoneHandle(
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reader->isolate(), NEW_OBJECT_WITH_LEN(TypeArguments, len));
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reader->AddBackRef(object_id, &type_arguments, kIsDeserialized);
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// Now set all the object fields.
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for (intptr_t i = 0; i < len; i++) {
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*reader->TypeHandle() ^= reader->ReadObjectImpl();
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type_arguments.SetTypeAt(i, *reader->TypeHandle());
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}
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// Set the object tags (This is done after setting the object fields
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// because 'SetTypeAt' has an assertion to check if the object is not
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// already canonical).
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type_arguments.set_tags(tags);
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// If object needs to be a canonical object, Canonicalize it.
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if ((kind != Snapshot::kFull) && type_arguments.IsCanonical()) {
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type_arguments ^= type_arguments.Canonicalize();
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}
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return type_arguments.raw();
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}
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void RawTypeArguments::WriteTo(SnapshotWriter* writer,
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intptr_t object_id,
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Snapshot::Kind kind) {
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ASSERT(writer != NULL);
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// Write out the serialization header value for this object.
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writer->WriteInlinedObjectHeader(object_id);
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// Write out the class and tags information.
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writer->WriteVMIsolateObject(kTypeArgumentsCid);
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writer->WriteIntptrValue(writer->GetObjectTags(this));
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// Write out the length field.
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writer->Write<RawObject*>(ptr()->length_);
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// Write out the individual types.
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intptr_t len = Smi::Value(ptr()->length_);
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for (intptr_t i = 0; i < len; i++) {
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writer->WriteObjectImpl(ptr()->types_[i]);
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}
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}
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RawInstantiatedTypeArguments* InstantiatedTypeArguments::ReadFrom(
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SnapshotReader* reader,
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intptr_t object_id,
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intptr_t tags,
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Snapshot::Kind kind) {
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ASSERT(reader != NULL);
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ASSERT(kind == Snapshot::kMessage);
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// Allocate instantiated types object.
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InstantiatedTypeArguments& instantiated_type_arguments =
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InstantiatedTypeArguments::ZoneHandle(reader->isolate(),
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InstantiatedTypeArguments::New());
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reader->AddBackRef(object_id, &instantiated_type_arguments, kIsDeserialized);
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// Set the object tags.
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instantiated_type_arguments.set_tags(tags);
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// Set all the object fields.
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// TODO(5411462): Need to assert No GC can happen here, even though
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// allocations may happen.
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intptr_t num_flds = (instantiated_type_arguments.raw()->to() -
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instantiated_type_arguments.raw()->from());
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for (intptr_t i = 0; i <= num_flds; i++) {
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*(instantiated_type_arguments.raw()->from() + i) = reader->ReadObjectImpl();
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}
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return instantiated_type_arguments.raw();
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}
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void RawInstantiatedTypeArguments::WriteTo(SnapshotWriter* writer,
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intptr_t object_id,
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Snapshot::Kind kind) {
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ASSERT(writer != NULL);
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ASSERT(kind == Snapshot::kMessage);
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// Write out the serialization header value for this object.
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writer->WriteInlinedObjectHeader(object_id);
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// Write out the class and tags information.
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writer->WriteVMIsolateObject(kInstantiatedTypeArgumentsCid);
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writer->WriteIntptrValue(writer->GetObjectTags(this));
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// Write out all the object pointer fields.
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SnapshotWriterVisitor visitor(writer, false);
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visitor.VisitPointers(from(), to());
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}
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RawPatchClass* PatchClass::ReadFrom(SnapshotReader* reader,
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intptr_t object_id,
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intptr_t tags,
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Snapshot::Kind kind) {
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ASSERT(reader != NULL);
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ASSERT(kind != Snapshot::kMessage && !RawObject::IsCreatedFromSnapshot(tags));
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// Allocate function object.
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PatchClass& cls = PatchClass::ZoneHandle(reader->isolate(),
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NEW_OBJECT(PatchClass));
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reader->AddBackRef(object_id, &cls, kIsDeserialized);
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// Set the object tags.
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cls.set_tags(tags);
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// Set all the object fields.
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// TODO(5411462): Need to assert No GC can happen here, even though
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// allocations may happen.
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intptr_t num_flds = (cls.raw()->to() - cls.raw()->from());
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for (intptr_t i = 0; i <= num_flds; i++) {
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*(cls.raw()->from() + i) = reader->ReadObjectRef();
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}
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return cls.raw();
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}
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void RawPatchClass::WriteTo(SnapshotWriter* writer,
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intptr_t object_id,
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Snapshot::Kind kind) {
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ASSERT(writer != NULL);
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ASSERT(kind != Snapshot::kMessage &&
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!RawObject::IsCreatedFromSnapshot(writer->GetObjectTags(this)));
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// Write out the serialization header value for this object.
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writer->WriteInlinedObjectHeader(object_id);
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// Write out the class and tags information.
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writer->WriteVMIsolateObject(kPatchClassCid);
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writer->WriteIntptrValue(writer->GetObjectTags(this));
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// Write out all the object pointer fields.
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SnapshotWriterVisitor visitor(writer);
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visitor.VisitPointers(from(), to());
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}
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RawFunction* Function::ReadFrom(SnapshotReader* reader,
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intptr_t object_id,
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intptr_t tags,
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Snapshot::Kind kind) {
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ASSERT(reader != NULL);
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ASSERT(kind != Snapshot::kMessage && !RawObject::IsCreatedFromSnapshot(tags));
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// Allocate function object.
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Function& func = Function::ZoneHandle(
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reader->isolate(), NEW_OBJECT(Function));
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reader->AddBackRef(object_id, &func, kIsDeserialized);
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// Set the object tags.
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func.set_tags(tags);
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// Set all the non object fields.
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func.set_token_pos(reader->ReadIntptrValue());
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func.set_end_token_pos(reader->ReadIntptrValue());
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func.set_num_fixed_parameters(reader->ReadIntptrValue());
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func.set_num_optional_parameters(reader->ReadIntptrValue());
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func.set_usage_counter(reader->ReadIntptrValue());
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func.set_deoptimization_counter(reader->ReadIntptrValue());
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func.set_kind_tag(reader->ReadIntptrValue());
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// Set all the object fields.
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// TODO(5411462): Need to assert No GC can happen here, even though
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// allocations may happen.
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intptr_t num_flds = (func.raw()->to() - func.raw()->from());
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for (intptr_t i = 0; i <= num_flds; i++) {
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*(func.raw()->from() + i) = reader->ReadObjectRef();
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}
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return func.raw();
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}
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void RawFunction::WriteTo(SnapshotWriter* writer,
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intptr_t object_id,
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Snapshot::Kind kind) {
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ASSERT(writer != NULL);
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ASSERT(kind != Snapshot::kMessage &&
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!RawObject::IsCreatedFromSnapshot(writer->GetObjectTags(this)));
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// Write out the serialization header value for this object.
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writer->WriteInlinedObjectHeader(object_id);
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// Write out the class and tags information.
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writer->WriteVMIsolateObject(kFunctionCid);
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writer->WriteIntptrValue(writer->GetObjectTags(this));
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// Write out all the non object fields.
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writer->WriteIntptrValue(ptr()->token_pos_);
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writer->WriteIntptrValue(ptr()->end_token_pos_);
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writer->WriteIntptrValue(ptr()->num_fixed_parameters_);
|
|
writer->WriteIntptrValue(ptr()->num_optional_parameters_);
|
|
writer->WriteIntptrValue(ptr()->usage_counter_);
|
|
writer->WriteIntptrValue(ptr()->deoptimization_counter_);
|
|
writer->WriteIntptrValue(ptr()->kind_tag_);
|
|
|
|
// Write out all the object pointer fields.
|
|
SnapshotWriterVisitor visitor(writer);
|
|
visitor.VisitPointers(from(), to());
|
|
}
|
|
|
|
|
|
RawField* Field::ReadFrom(SnapshotReader* reader,
|
|
intptr_t object_id,
|
|
intptr_t tags,
|
|
Snapshot::Kind kind) {
|
|
ASSERT(reader != NULL);
|
|
ASSERT(kind != Snapshot::kMessage && !RawObject::IsCreatedFromSnapshot(tags));
|
|
|
|
// Allocate field object.
|
|
Field& field = Field::ZoneHandle(reader->isolate(), NEW_OBJECT(Field));
|
|
reader->AddBackRef(object_id, &field, kIsDeserialized);
|
|
|
|
// Set the object tags.
|
|
field.set_tags(tags);
|
|
|
|
// Set all non object fields.
|
|
field.set_token_pos(reader->ReadIntptrValue());
|
|
field.set_kind_bits(reader->Read<uint8_t>());
|
|
|
|
// Set all the object fields.
|
|
// TODO(5411462): Need to assert No GC can happen here, even though
|
|
// allocations may happen.
|
|
intptr_t num_flds = (field.raw()->to() - field.raw()->from());
|
|
for (intptr_t i = 0; i <= num_flds; i++) {
|
|
*(field.raw()->from() + i) = reader->ReadObjectRef();
|
|
}
|
|
|
|
return field.raw();
|
|
}
|
|
|
|
|
|
void RawField::WriteTo(SnapshotWriter* writer,
|
|
intptr_t object_id,
|
|
Snapshot::Kind kind) {
|
|
ASSERT(writer != NULL);
|
|
ASSERT(kind != Snapshot::kMessage &&
|
|
!RawObject::IsCreatedFromSnapshot(writer->GetObjectTags(this)));
|
|
|
|
// Write out the serialization header value for this object.
|
|
writer->WriteInlinedObjectHeader(object_id);
|
|
|
|
// Write out the class and tags information.
|
|
writer->WriteVMIsolateObject(kFieldCid);
|
|
writer->WriteIntptrValue(writer->GetObjectTags(this));
|
|
|
|
// Write out all the non object fields.
|
|
writer->WriteIntptrValue(ptr()->token_pos_);
|
|
writer->WriteIntptrValue(ptr()->kind_bits_);
|
|
|
|
// Write out all the object pointer fields.
|
|
SnapshotWriterVisitor visitor(writer);
|
|
visitor.VisitPointers(from(), to());
|
|
}
|
|
|
|
|
|
RawLiteralToken* LiteralToken::ReadFrom(SnapshotReader* reader,
|
|
intptr_t object_id,
|
|
intptr_t tags,
|
|
Snapshot::Kind kind) {
|
|
ASSERT(reader != NULL);
|
|
ASSERT(kind != Snapshot::kMessage);
|
|
|
|
// Create the literal token object.
|
|
LiteralToken& literal_token = LiteralToken::ZoneHandle(
|
|
reader->isolate(), NEW_OBJECT(LiteralToken));
|
|
reader->AddBackRef(object_id, &literal_token, kIsDeserialized);
|
|
|
|
// Set the object tags.
|
|
literal_token.set_tags(tags);
|
|
|
|
// Read the token attributes.
|
|
Token::Kind token_kind = static_cast<Token::Kind>(reader->ReadIntptrValue());
|
|
literal_token.set_kind(token_kind);
|
|
*reader->StringHandle() ^= reader->ReadObjectImpl();
|
|
literal_token.set_literal(*reader->StringHandle());
|
|
*reader->ObjectHandle() = reader->ReadObjectImpl();
|
|
literal_token.set_value(*reader->ObjectHandle());
|
|
|
|
return literal_token.raw();
|
|
}
|
|
|
|
|
|
void RawLiteralToken::WriteTo(SnapshotWriter* writer,
|
|
intptr_t object_id,
|
|
Snapshot::Kind kind) {
|
|
ASSERT(writer != NULL);
|
|
ASSERT(kind != Snapshot::kMessage);
|
|
|
|
// Write out the serialization header value for this object.
|
|
writer->WriteInlinedObjectHeader(object_id);
|
|
|
|
// Write out the class and tags information.
|
|
writer->WriteVMIsolateObject(kLiteralTokenCid);
|
|
writer->WriteIntptrValue(writer->GetObjectTags(this));
|
|
|
|
// Write out the kind field.
|
|
writer->Write<intptr_t>(ptr()->kind_);
|
|
|
|
// Write out literal and value fields.
|
|
writer->WriteObjectImpl(ptr()->literal_);
|
|
writer->WriteObjectImpl(ptr()->value_);
|
|
}
|
|
|
|
|
|
RawTokenStream* TokenStream::ReadFrom(SnapshotReader* reader,
|
|
intptr_t object_id,
|
|
intptr_t tags,
|
|
Snapshot::Kind kind) {
|
|
ASSERT(reader != NULL);
|
|
ASSERT(kind != Snapshot::kMessage && !RawObject::IsCreatedFromSnapshot(tags));
|
|
|
|
// Read the length so that we can determine number of tokens to read.
|
|
intptr_t len = reader->ReadSmiValue();
|
|
|
|
// Create the token stream object.
|
|
TokenStream& token_stream = TokenStream::ZoneHandle(
|
|
reader->isolate(), NEW_OBJECT_WITH_LEN(TokenStream, len));
|
|
reader->AddBackRef(object_id, &token_stream, kIsDeserialized);
|
|
|
|
// Set the object tags.
|
|
token_stream.set_tags(tags);
|
|
|
|
// Read the stream of tokens into the TokenStream object.
|
|
{
|
|
NoGCScope no_gc;
|
|
reader->ReadBytes(reinterpret_cast<uint8_t*>(token_stream.EntryAddr(0)),
|
|
len);
|
|
}
|
|
|
|
// Read in the literal/identifier token array.
|
|
*(reader->TokensHandle()) ^= reader->ReadObjectImpl();
|
|
token_stream.SetTokenObjects(*(reader->TokensHandle()));
|
|
// Read in the private key in use by the token stream.
|
|
*(reader->StringHandle()) ^= reader->ReadObjectImpl();
|
|
token_stream.SetPrivateKey(*(reader->StringHandle()));
|
|
|
|
return token_stream.raw();
|
|
}
|
|
|
|
|
|
void RawTokenStream::WriteTo(SnapshotWriter* writer,
|
|
intptr_t object_id,
|
|
Snapshot::Kind kind) {
|
|
ASSERT(writer != NULL);
|
|
ASSERT(kind != Snapshot::kMessage &&
|
|
!RawObject::IsCreatedFromSnapshot(writer->GetObjectTags(this)));
|
|
|
|
// Write out the serialization header value for this object.
|
|
writer->WriteInlinedObjectHeader(object_id);
|
|
|
|
// Write out the class and tags information.
|
|
writer->WriteVMIsolateObject(kTokenStreamCid);
|
|
writer->WriteIntptrValue(writer->GetObjectTags(this));
|
|
|
|
// Write out the length field and the token stream.
|
|
intptr_t len = Smi::Value(ptr()->length_);
|
|
writer->Write<RawObject*>(ptr()->length_);
|
|
writer->WriteBytes(reinterpret_cast<uint8_t*>(ptr()->data_), len);
|
|
|
|
// Write out the literal/identifier token array.
|
|
writer->WriteObjectImpl(ptr()->token_objects_);
|
|
// Write out the private key in use by the token stream.
|
|
writer->WriteObjectImpl(ptr()->private_key_);
|
|
}
|
|
|
|
|
|
RawScript* Script::ReadFrom(SnapshotReader* reader,
|
|
intptr_t object_id,
|
|
intptr_t tags,
|
|
Snapshot::Kind kind) {
|
|
ASSERT(reader != NULL);
|
|
ASSERT(kind != Snapshot::kMessage && !RawObject::IsCreatedFromSnapshot(tags));
|
|
|
|
// Allocate script object.
|
|
Script& script = Script::ZoneHandle(reader->isolate(), NEW_OBJECT(Script));
|
|
reader->AddBackRef(object_id, &script, kIsDeserialized);
|
|
|
|
// Set the object tags.
|
|
script.set_tags(tags);
|
|
|
|
// Set all the object fields.
|
|
// TODO(5411462): Need to assert No GC can happen here, even though
|
|
// allocations may happen.
|
|
*reader->StringHandle() ^= reader->ReadObjectImpl();
|
|
script.set_url(*reader->StringHandle());
|
|
*reader->StringHandle() ^= String::null();
|
|
script.set_source(*reader->StringHandle());
|
|
TokenStream& stream = TokenStream::Handle();
|
|
stream ^= reader->ReadObjectImpl();
|
|
script.set_tokens(stream);
|
|
|
|
return script.raw();
|
|
}
|
|
|
|
|
|
void RawScript::WriteTo(SnapshotWriter* writer,
|
|
intptr_t object_id,
|
|
Snapshot::Kind kind) {
|
|
ASSERT(writer != NULL);
|
|
ASSERT(tokens_ != TokenStream::null());
|
|
ASSERT(kind != Snapshot::kMessage &&
|
|
!RawObject::IsCreatedFromSnapshot(writer->GetObjectTags(this)));
|
|
|
|
// Write out the serialization header value for this object.
|
|
writer->WriteInlinedObjectHeader(object_id);
|
|
|
|
// Write out the class and tags information.
|
|
writer->WriteVMIsolateObject(kScriptCid);
|
|
writer->WriteIntptrValue(writer->GetObjectTags(this));
|
|
|
|
// Write out all the object pointer fields.
|
|
writer->WriteObjectImpl(ptr()->url_);
|
|
writer->WriteObjectImpl(ptr()->tokens_);
|
|
}
|
|
|
|
|
|
RawLibrary* Library::ReadFrom(SnapshotReader* reader,
|
|
intptr_t object_id,
|
|
intptr_t tags,
|
|
Snapshot::Kind kind) {
|
|
ASSERT(reader != NULL);
|
|
ASSERT(kind != Snapshot::kMessage);
|
|
|
|
Library& library = Library::ZoneHandle(reader->isolate(), Library::null());
|
|
reader->AddBackRef(object_id, &library, kIsDeserialized);
|
|
|
|
if (RawObject::IsCreatedFromSnapshot(tags)) {
|
|
ASSERT(kind != Snapshot::kFull);
|
|
// Lookup the object as it should already exist in the heap.
|
|
*reader->StringHandle() ^= reader->ReadObjectImpl();
|
|
library = Library::LookupLibrary(*reader->StringHandle());
|
|
} else {
|
|
// Allocate library object.
|
|
library = NEW_OBJECT(Library);
|
|
|
|
// Set the object tags.
|
|
library.set_tags(tags);
|
|
|
|
// Set all non object fields.
|
|
library.raw_ptr()->index_ = reader->ReadIntptrValue();
|
|
library.raw_ptr()->num_imports_ = reader->ReadIntptrValue();
|
|
library.raw_ptr()->num_anonymous_ = reader->ReadIntptrValue();
|
|
library.raw_ptr()->corelib_imported_ = reader->Read<bool>();
|
|
library.raw_ptr()->debuggable_ = reader->Read<bool>();
|
|
library.raw_ptr()->load_state_ = reader->Read<int8_t>();
|
|
// The native resolver is not serialized.
|
|
Dart_NativeEntryResolver resolver =
|
|
reader->Read<Dart_NativeEntryResolver>();
|
|
ASSERT(resolver == NULL);
|
|
library.set_native_entry_resolver(resolver);
|
|
// The cache of loaded scripts is not serialized.
|
|
library.raw_ptr()->loaded_scripts_ = Array::null();
|
|
|
|
// Set all the object fields.
|
|
// TODO(5411462): Need to assert No GC can happen here, even though
|
|
// allocations may happen.
|
|
intptr_t num_flds = (library.raw()->to() - library.raw()->from());
|
|
for (intptr_t i = 0; i <= num_flds; i++) {
|
|
*(library.raw()->from() + i) = reader->ReadObjectRef();
|
|
}
|
|
if (kind != Snapshot::kFull) {
|
|
library.Register();
|
|
}
|
|
}
|
|
return library.raw();
|
|
}
|
|
|
|
|
|
void RawLibrary::WriteTo(SnapshotWriter* writer,
|
|
intptr_t object_id,
|
|
Snapshot::Kind kind) {
|
|
ASSERT(writer != NULL);
|
|
ASSERT(kind != Snapshot::kMessage);
|
|
|
|
// Write out the serialization header value for this object.
|
|
writer->WriteInlinedObjectHeader(object_id);
|
|
|
|
// Write out the class and tags information.
|
|
writer->WriteVMIsolateObject(kLibraryCid);
|
|
writer->WriteIntptrValue(writer->GetObjectTags(this));
|
|
|
|
if (RawObject::IsCreatedFromSnapshot(writer->GetObjectTags(this))) {
|
|
ASSERT(kind != Snapshot::kFull);
|
|
// Write out library URL so that it can be looked up when reading.
|
|
writer->WriteObjectImpl(ptr()->url_);
|
|
} else {
|
|
// Write out all non object fields.
|
|
writer->WriteIntptrValue(ptr()->index_);
|
|
writer->WriteIntptrValue(ptr()->num_imports_);
|
|
writer->WriteIntptrValue(ptr()->num_anonymous_);
|
|
writer->Write<bool>(ptr()->corelib_imported_);
|
|
writer->Write<bool>(ptr()->debuggable_);
|
|
writer->Write<int8_t>(ptr()->load_state_);
|
|
// We do not serialize the native resolver over, this needs to be explicitly
|
|
// set after deserialization.
|
|
writer->Write<Dart_NativeEntryResolver>(NULL);
|
|
// We do not write the loaded_scripts_ cache to the snapshot. It gets
|
|
// set to NULL when reading the library from the snapshot, and will
|
|
// be rebuilt lazily.
|
|
|
|
// Write out all the object pointer fields.
|
|
SnapshotWriterVisitor visitor(writer);
|
|
visitor.VisitPointers(from(), to());
|
|
}
|
|
}
|
|
|
|
|
|
RawLibraryPrefix* LibraryPrefix::ReadFrom(SnapshotReader* reader,
|
|
intptr_t object_id,
|
|
intptr_t tags,
|
|
Snapshot::Kind kind) {
|
|
ASSERT(reader != NULL);
|
|
ASSERT(kind != Snapshot::kMessage && !RawObject::IsCreatedFromSnapshot(tags));
|
|
|
|
// Allocate library prefix object.
|
|
LibraryPrefix& prefix = LibraryPrefix::ZoneHandle(
|
|
reader->isolate(), NEW_OBJECT(LibraryPrefix));
|
|
reader->AddBackRef(object_id, &prefix, kIsDeserialized);
|
|
|
|
// Set the object tags.
|
|
prefix.set_tags(tags);
|
|
|
|
// Set all non object fields.
|
|
prefix.raw_ptr()->num_libs_ = reader->ReadIntptrValue();
|
|
|
|
// Set all the object fields.
|
|
// TODO(5411462): Need to assert No GC can happen here, even though
|
|
// allocations may happen.
|
|
intptr_t num_flds = (prefix.raw()->to() - prefix.raw()->from());
|
|
for (intptr_t i = 0; i <= num_flds; i++) {
|
|
*(prefix.raw()->from() + i) = reader->ReadObjectRef();
|
|
}
|
|
|
|
return prefix.raw();
|
|
}
|
|
|
|
|
|
void RawLibraryPrefix::WriteTo(SnapshotWriter* writer,
|
|
intptr_t object_id,
|
|
Snapshot::Kind kind) {
|
|
ASSERT(writer != NULL);
|
|
ASSERT(kind != Snapshot::kMessage &&
|
|
!RawObject::IsCreatedFromSnapshot(writer->GetObjectTags(this)));
|
|
|
|
// Write out the serialization header value for this object.
|
|
writer->WriteInlinedObjectHeader(object_id);
|
|
|
|
// Write out the class and tags information.
|
|
writer->WriteVMIsolateObject(kLibraryPrefixCid);
|
|
writer->WriteIntptrValue(writer->GetObjectTags(this));
|
|
|
|
// Write out all non object fields.
|
|
writer->WriteIntptrValue(ptr()->num_libs_);
|
|
|
|
// Write out all the object pointer fields.
|
|
SnapshotWriterVisitor visitor(writer);
|
|
visitor.VisitPointers(from(), to());
|
|
}
|
|
|
|
|
|
RawCode* Code::ReadFrom(SnapshotReader* reader,
|
|
intptr_t object_id,
|
|
intptr_t tags,
|
|
Snapshot::Kind kind) {
|
|
UNREACHABLE();
|
|
return Code::null();
|
|
}
|
|
|
|
|
|
void RawCode::WriteTo(SnapshotWriter* writer,
|
|
intptr_t object_id,
|
|
Snapshot::Kind kind) {
|
|
// We have already checked for this and written a NULL object, hence we
|
|
// should not reach here.
|
|
UNREACHABLE();
|
|
}
|
|
|
|
|
|
RawInstructions* Instructions::ReadFrom(SnapshotReader* reader,
|
|
intptr_t object_id,
|
|
intptr_t tags,
|
|
Snapshot::Kind kind) {
|
|
UNREACHABLE();
|
|
return Instructions::null();
|
|
}
|
|
|
|
|
|
void RawInstructions::WriteTo(SnapshotWriter* writer,
|
|
intptr_t object_id,
|
|
Snapshot::Kind kind) {
|
|
UNREACHABLE();
|
|
}
|
|
|
|
|
|
RawPcDescriptors* PcDescriptors::ReadFrom(SnapshotReader* reader,
|
|
intptr_t object_id,
|
|
intptr_t tags,
|
|
Snapshot::Kind kind) {
|
|
UNREACHABLE();
|
|
return PcDescriptors::null();
|
|
}
|
|
|
|
|
|
void RawPcDescriptors::WriteTo(SnapshotWriter* writer,
|
|
intptr_t object_id,
|
|
Snapshot::Kind kind) {
|
|
UNREACHABLE();
|
|
}
|
|
|
|
|
|
RawStackmap* Stackmap::ReadFrom(SnapshotReader* reader,
|
|
intptr_t object_id,
|
|
intptr_t tags,
|
|
Snapshot::Kind kind) {
|
|
UNREACHABLE();
|
|
return Stackmap::null();
|
|
}
|
|
|
|
|
|
void RawStackmap::WriteTo(SnapshotWriter* writer,
|
|
intptr_t object_id,
|
|
Snapshot::Kind kind) {
|
|
UNREACHABLE();
|
|
}
|
|
|
|
|
|
RawLocalVarDescriptors* LocalVarDescriptors::ReadFrom(SnapshotReader* reader,
|
|
intptr_t object_id,
|
|
intptr_t tags,
|
|
Snapshot::Kind kind) {
|
|
UNREACHABLE();
|
|
return LocalVarDescriptors::null();
|
|
}
|
|
|
|
|
|
void RawLocalVarDescriptors::WriteTo(SnapshotWriter* writer,
|
|
intptr_t object_id,
|
|
Snapshot::Kind kind) {
|
|
UNREACHABLE();
|
|
}
|
|
|
|
|
|
RawExceptionHandlers* ExceptionHandlers::ReadFrom(SnapshotReader* reader,
|
|
intptr_t object_id,
|
|
intptr_t tags,
|
|
Snapshot::Kind kind) {
|
|
UNREACHABLE();
|
|
return ExceptionHandlers::null();
|
|
}
|
|
|
|
|
|
void RawExceptionHandlers::WriteTo(SnapshotWriter* writer,
|
|
intptr_t object_id,
|
|
Snapshot::Kind kind) {
|
|
UNREACHABLE();
|
|
}
|
|
|
|
|
|
RawDeoptInfo* DeoptInfo::ReadFrom(SnapshotReader* reader,
|
|
intptr_t object_id,
|
|
intptr_t tags,
|
|
Snapshot::Kind kind) {
|
|
UNREACHABLE();
|
|
return DeoptInfo::null();
|
|
}
|
|
|
|
|
|
void RawDeoptInfo::WriteTo(SnapshotWriter* writer,
|
|
intptr_t object_id,
|
|
Snapshot::Kind kind) {
|
|
UNREACHABLE();
|
|
}
|
|
|
|
|
|
RawContext* Context::ReadFrom(SnapshotReader* reader,
|
|
intptr_t object_id,
|
|
intptr_t tags,
|
|
Snapshot::Kind kind) {
|
|
ASSERT(reader != NULL);
|
|
|
|
// Allocate context object.
|
|
intptr_t num_vars = reader->ReadIntptrValue();
|
|
Context& context = Context::ZoneHandle(reader->isolate(), Context::null());
|
|
if (kind == Snapshot::kFull) {
|
|
context = reader->NewContext(num_vars);
|
|
} else {
|
|
context = Context::New(num_vars);
|
|
}
|
|
reader->AddBackRef(object_id, &context, kIsDeserialized);
|
|
|
|
// Set the object tags.
|
|
context.set_tags(tags);
|
|
|
|
// Set the isolate implicitly.
|
|
context.set_isolate(Isolate::Current());
|
|
|
|
// Set all the object fields.
|
|
// TODO(5411462): Need to assert No GC can happen here, even though
|
|
// allocations may happen.
|
|
intptr_t num_flds = (context.raw()->to(num_vars) - context.raw()->from());
|
|
for (intptr_t i = 0; i <= num_flds; i++) {
|
|
*(context.raw()->from() + i) = reader->ReadObjectRef();
|
|
}
|
|
|
|
return context.raw();
|
|
}
|
|
|
|
|
|
void RawContext::WriteTo(SnapshotWriter* writer,
|
|
intptr_t object_id,
|
|
Snapshot::Kind kind) {
|
|
ASSERT(writer != NULL);
|
|
|
|
// Write out the serialization header value for this object.
|
|
writer->WriteInlinedObjectHeader(object_id);
|
|
|
|
// Write out the class and tags information.
|
|
writer->WriteVMIsolateObject(kContextCid);
|
|
writer->WriteIntptrValue(writer->GetObjectTags(this));
|
|
|
|
// Write out num of variables in the context.
|
|
writer->WriteIntptrValue(ptr()->num_variables_);
|
|
|
|
// Can't serialize the isolate pointer, we set it implicitly on read.
|
|
|
|
// Write out all the object pointer fields.
|
|
SnapshotWriterVisitor visitor(writer);
|
|
visitor.VisitPointers(from(), to(ptr()->num_variables_));
|
|
}
|
|
|
|
|
|
RawContextScope* ContextScope::ReadFrom(SnapshotReader* reader,
|
|
intptr_t object_id,
|
|
intptr_t tags,
|
|
Snapshot::Kind kind) {
|
|
ASSERT(reader != NULL);
|
|
ASSERT(kind == Snapshot::kMessage);
|
|
|
|
// Allocate context scope object.
|
|
intptr_t num_vars = reader->ReadIntptrValue();
|
|
ContextScope& scope = ContextScope::ZoneHandle(reader->isolate(),
|
|
ContextScope::New(num_vars));
|
|
reader->AddBackRef(object_id, &scope, kIsDeserialized);
|
|
|
|
// Set the object tags.
|
|
scope.set_tags(tags);
|
|
|
|
// Set all the object fields.
|
|
// TODO(5411462): Need to assert No GC can happen here, even though
|
|
// allocations may happen.
|
|
intptr_t num_flds = (scope.raw()->to(num_vars) - scope.raw()->from());
|
|
for (intptr_t i = 0; i <= num_flds; i++) {
|
|
*(scope.raw()->from() + i) = reader->ReadObjectRef();
|
|
}
|
|
|
|
return scope.raw();
|
|
}
|
|
|
|
|
|
void RawContextScope::WriteTo(SnapshotWriter* writer,
|
|
intptr_t object_id,
|
|
Snapshot::Kind kind) {
|
|
ASSERT(writer != NULL);
|
|
ASSERT(kind == Snapshot::kMessage);
|
|
|
|
// Write out the serialization header value for this object.
|
|
writer->WriteInlinedObjectHeader(object_id);
|
|
|
|
// Write out the class and tags information.
|
|
writer->WriteVMIsolateObject(kContextScopeCid);
|
|
writer->WriteIntptrValue(writer->GetObjectTags(this));
|
|
|
|
// Serialize number of variables.
|
|
writer->WriteIntptrValue(ptr()->num_variables_);
|
|
|
|
// Write out all the object pointer fields.
|
|
SnapshotWriterVisitor visitor(writer);
|
|
visitor.VisitPointers(from(), to(ptr()->num_variables_));
|
|
}
|
|
|
|
|
|
RawICData* ICData::ReadFrom(SnapshotReader* reader,
|
|
intptr_t object_id,
|
|
intptr_t tags,
|
|
Snapshot::Kind kind) {
|
|
UNREACHABLE();
|
|
return NULL;
|
|
}
|
|
|
|
|
|
void RawICData::WriteTo(SnapshotWriter* writer,
|
|
intptr_t object_id,
|
|
Snapshot::Kind kind) {
|
|
UNREACHABLE();
|
|
}
|
|
|
|
|
|
RawSubtypeTestCache* SubtypeTestCache::ReadFrom(SnapshotReader* reader,
|
|
intptr_t object_id,
|
|
intptr_t tags,
|
|
Snapshot::Kind kind) {
|
|
UNREACHABLE();
|
|
return NULL;
|
|
}
|
|
|
|
|
|
void RawSubtypeTestCache::WriteTo(SnapshotWriter* writer,
|
|
intptr_t object_id,
|
|
Snapshot::Kind kind) {
|
|
UNREACHABLE();
|
|
}
|
|
|
|
|
|
RawError* Error::ReadFrom(SnapshotReader* reader,
|
|
intptr_t object_id,
|
|
intptr_t tags,
|
|
Snapshot::Kind kind) {
|
|
UNREACHABLE();
|
|
return Error::null();
|
|
}
|
|
|
|
|
|
void RawError::WriteTo(SnapshotWriter* writer,
|
|
intptr_t object_id,
|
|
Snapshot::Kind kind) {
|
|
UNREACHABLE();
|
|
}
|
|
|
|
|
|
RawApiError* ApiError::ReadFrom(SnapshotReader* reader,
|
|
intptr_t object_id,
|
|
intptr_t tags,
|
|
Snapshot::Kind kind) {
|
|
UNREACHABLE();
|
|
return ApiError::null();
|
|
}
|
|
|
|
|
|
void RawApiError::WriteTo(SnapshotWriter* writer,
|
|
intptr_t object_id,
|
|
Snapshot::Kind kind) {
|
|
UNREACHABLE();
|
|
}
|
|
|
|
|
|
RawLanguageError* LanguageError::ReadFrom(SnapshotReader* reader,
|
|
intptr_t object_id,
|
|
intptr_t tags,
|
|
Snapshot::Kind kind) {
|
|
UNREACHABLE();
|
|
return LanguageError::null();
|
|
}
|
|
|
|
|
|
void RawLanguageError::WriteTo(SnapshotWriter* writer,
|
|
intptr_t object_id,
|
|
Snapshot::Kind kind) {
|
|
UNREACHABLE();
|
|
}
|
|
|
|
|
|
RawUnhandledException* UnhandledException::ReadFrom(SnapshotReader* reader,
|
|
intptr_t object_id,
|
|
intptr_t tags,
|
|
Snapshot::Kind kind) {
|
|
UNREACHABLE();
|
|
return UnhandledException::null();
|
|
}
|
|
|
|
|
|
void RawUnhandledException::WriteTo(SnapshotWriter* writer,
|
|
intptr_t object_id,
|
|
Snapshot::Kind kind) {
|
|
UNREACHABLE();
|
|
}
|
|
|
|
|
|
RawUnwindError* UnwindError::ReadFrom(SnapshotReader* reader,
|
|
intptr_t object_id,
|
|
intptr_t tags,
|
|
Snapshot::Kind kind) {
|
|
UNREACHABLE();
|
|
return UnwindError::null();
|
|
}
|
|
|
|
|
|
void RawUnwindError::WriteTo(SnapshotWriter* writer,
|
|
intptr_t object_id,
|
|
Snapshot::Kind kind) {
|
|
UNREACHABLE();
|
|
}
|
|
|
|
|
|
RawInstance* Instance::ReadFrom(SnapshotReader* reader,
|
|
intptr_t object_id,
|
|
intptr_t tags,
|
|
Snapshot::Kind kind) {
|
|
UNREACHABLE();
|
|
return Instance::null();
|
|
}
|
|
|
|
|
|
void RawInstance::WriteTo(SnapshotWriter* writer,
|
|
intptr_t object_id,
|
|
Snapshot::Kind kind) {
|
|
UNREACHABLE();
|
|
}
|
|
|
|
|
|
RawMint* Mint::ReadFrom(SnapshotReader* reader,
|
|
intptr_t object_id,
|
|
intptr_t tags,
|
|
Snapshot::Kind kind) {
|
|
ASSERT(reader != NULL);
|
|
|
|
// Read the 64 bit value for the object.
|
|
int64_t value = reader->Read<int64_t>();
|
|
|
|
// Create a Mint object or get canonical one if it is a canonical constant.
|
|
Mint& mint = Mint::ZoneHandle(reader->isolate(), Mint::null());
|
|
if (kind == Snapshot::kFull) {
|
|
mint = reader->NewMint(value);
|
|
} else {
|
|
if (RawObject::IsCanonical(tags)) {
|
|
mint = Mint::NewCanonical(value);
|
|
} else {
|
|
mint = Mint::New(value, Heap::kNew);
|
|
}
|
|
}
|
|
reader->AddBackRef(object_id, &mint, kIsDeserialized);
|
|
|
|
// Set the object tags.
|
|
mint.set_tags(tags);
|
|
|
|
return mint.raw();
|
|
}
|
|
|
|
|
|
void RawMint::WriteTo(SnapshotWriter* writer,
|
|
intptr_t object_id,
|
|
Snapshot::Kind kind) {
|
|
ASSERT(writer != NULL);
|
|
|
|
// Write out the serialization header value for this object.
|
|
writer->WriteInlinedObjectHeader(object_id);
|
|
|
|
// Write out the class and tags information.
|
|
writer->WriteIndexedObject(kMintCid);
|
|
writer->WriteIntptrValue(writer->GetObjectTags(this));
|
|
|
|
// Write out the 64 bit value.
|
|
writer->Write<int64_t>(ptr()->value_);
|
|
}
|
|
|
|
|
|
RawBigint* Bigint::ReadFrom(SnapshotReader* reader,
|
|
intptr_t object_id,
|
|
intptr_t tags,
|
|
Snapshot::Kind kind) {
|
|
ASSERT(reader != NULL);
|
|
|
|
// Read in the HexCString representation of the bigint.
|
|
intptr_t len = reader->ReadIntptrValue();
|
|
char* str = Isolate::Current()->current_zone()->Alloc<char>(len + 1);
|
|
str[len] = '\0';
|
|
reader->ReadBytes(reinterpret_cast<uint8_t*>(str), len);
|
|
|
|
// Create a Bigint object from HexCString.
|
|
Bigint& obj = Bigint::ZoneHandle(
|
|
reader->isolate(),
|
|
(kind == Snapshot::kFull) ? reader->NewBigint(str) :
|
|
BigintOperations::FromHexCString(str));
|
|
|
|
// If it is a canonical constant make it one.
|
|
if ((kind != Snapshot::kFull) && RawObject::IsCanonical(tags)) {
|
|
obj ^= obj.Canonicalize();
|
|
}
|
|
reader->AddBackRef(object_id, &obj, kIsDeserialized);
|
|
|
|
// Set the object tags.
|
|
obj.set_tags(tags);
|
|
|
|
return obj.raw();
|
|
}
|
|
|
|
|
|
void RawBigint::WriteTo(SnapshotWriter* writer,
|
|
intptr_t object_id,
|
|
Snapshot::Kind kind) {
|
|
ASSERT(writer != NULL);
|
|
|
|
// Write out the serialization header value for this object.
|
|
writer->WriteInlinedObjectHeader(object_id);
|
|
|
|
// Write out the class and tags information.
|
|
writer->WriteIndexedObject(kBigintCid);
|
|
writer->WriteIntptrValue(writer->GetObjectTags(this));
|
|
|
|
// Write out the bigint value as a HEXCstring.
|
|
intptr_t length = ptr()->signed_length_;
|
|
bool is_negative = false;
|
|
if (length <= 0) {
|
|
length = -length;
|
|
is_negative = true;
|
|
}
|
|
uword data_start = reinterpret_cast<uword>(ptr()) + sizeof(RawBigint);
|
|
const char* str = BigintOperations::ToHexCString(
|
|
length,
|
|
is_negative,
|
|
reinterpret_cast<void*>(data_start),
|
|
&BigintAllocator);
|
|
bool neg = false;
|
|
if (*str == '-') {
|
|
neg = true;
|
|
str++;
|
|
}
|
|
intptr_t len = strlen(str);
|
|
ASSERT(len > 2 && str[0] == '0' && str[1] == 'x');
|
|
if (neg) {
|
|
writer->WriteIntptrValue(len - 1); // Include '-' in length.
|
|
writer->Write<uint8_t>('-');
|
|
} else {
|
|
writer->WriteIntptrValue(len - 2);
|
|
}
|
|
writer->WriteBytes(reinterpret_cast<const uint8_t*>(&(str[2])), (len - 2));
|
|
}
|
|
|
|
|
|
RawDouble* Double::ReadFrom(SnapshotReader* reader,
|
|
intptr_t object_id,
|
|
intptr_t tags,
|
|
Snapshot::Kind kind) {
|
|
ASSERT(reader != NULL);
|
|
// Read the double value for the object.
|
|
double value = reader->Read<double>();
|
|
|
|
// Create a Double object or get canonical one if it is a canonical constant.
|
|
Double& dbl = Double::ZoneHandle(reader->isolate(), Double::null());
|
|
if (kind == Snapshot::kFull) {
|
|
dbl = reader->NewDouble(value);
|
|
} else {
|
|
if (RawObject::IsCanonical(tags)) {
|
|
dbl = Double::NewCanonical(value);
|
|
} else {
|
|
dbl = Double::New(value, Heap::kNew);
|
|
}
|
|
}
|
|
reader->AddBackRef(object_id, &dbl, kIsDeserialized);
|
|
|
|
// Set the object tags.
|
|
dbl.set_tags(tags);
|
|
|
|
return dbl.raw();
|
|
}
|
|
|
|
|
|
void RawDouble::WriteTo(SnapshotWriter* writer,
|
|
intptr_t object_id,
|
|
Snapshot::Kind kind) {
|
|
ASSERT(writer != NULL);
|
|
|
|
// Write out the serialization header value for this object.
|
|
writer->WriteInlinedObjectHeader(object_id);
|
|
|
|
// Write out the class and tags information.
|
|
writer->WriteIndexedObject(kDoubleCid);
|
|
writer->WriteIntptrValue(writer->GetObjectTags(this));
|
|
|
|
// Write out the double value.
|
|
writer->Write<double>(ptr()->value_);
|
|
}
|
|
|
|
|
|
RawString* String::ReadFrom(SnapshotReader* reader,
|
|
intptr_t object_id,
|
|
intptr_t tags,
|
|
Snapshot::Kind kind) {
|
|
UNREACHABLE(); // String is an abstract class.
|
|
return String::null();
|
|
}
|
|
|
|
|
|
void RawString::WriteTo(SnapshotWriter* writer,
|
|
intptr_t object_id,
|
|
Snapshot::Kind kind) {
|
|
UNREACHABLE(); // String is an abstract class.
|
|
}
|
|
|
|
|
|
template<typename HandleType, typename CharacterType>
|
|
void String::ReadFromImpl(SnapshotReader* reader,
|
|
HandleType* str_obj,
|
|
intptr_t len,
|
|
intptr_t tags) {
|
|
ASSERT(reader != NULL);
|
|
if (RawObject::IsCanonical(tags)) {
|
|
// Set up canonical string object.
|
|
ASSERT(reader != NULL);
|
|
CharacterType* ptr =
|
|
Isolate::Current()->current_zone()->Alloc<CharacterType>(len);
|
|
for (intptr_t i = 0; i < len; i++) {
|
|
ptr[i] = reader->Read<CharacterType>();
|
|
}
|
|
*str_obj ^= Symbols::New(ptr, len);
|
|
} else {
|
|
// Set up the string object.
|
|
*str_obj = HandleType::New(len, Heap::kNew);
|
|
str_obj->set_tags(tags);
|
|
str_obj->SetHash(0); // Will get computed when needed.
|
|
for (intptr_t i = 0; i < len; i++) {
|
|
*str_obj->CharAddr(i) = reader->Read<CharacterType>();
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
RawOneByteString* OneByteString::ReadFrom(SnapshotReader* reader,
|
|
intptr_t object_id,
|
|
intptr_t tags,
|
|
Snapshot::Kind kind) {
|
|
// Read the length so that we can determine instance size to allocate.
|
|
ASSERT(reader != NULL);
|
|
intptr_t len = reader->ReadSmiValue();
|
|
intptr_t hash = reader->ReadSmiValue();
|
|
OneByteString& str_obj = OneByteString::ZoneHandle(reader->isolate(),
|
|
OneByteString::null());
|
|
|
|
if (kind == Snapshot::kFull) {
|
|
ASSERT(reader->isolate()->no_gc_scope_depth() != 0);
|
|
RawOneByteString* obj = reader->NewOneByteString(len);
|
|
str_obj = obj;
|
|
str_obj.set_tags(tags);
|
|
obj->ptr()->hash_ = Smi::New(hash);
|
|
if (len > 0) {
|
|
uint8_t* raw_ptr = str_obj.CharAddr(0);
|
|
reader->ReadBytes(raw_ptr, len);
|
|
}
|
|
ASSERT((hash == 0) || (String::Hash(str_obj, 0, str_obj.Length()) == hash));
|
|
} else {
|
|
ReadFromImpl<OneByteString, uint8_t>(reader, &str_obj, len, tags);
|
|
}
|
|
reader->AddBackRef(object_id, &str_obj, kIsDeserialized);
|
|
return str_obj.raw();
|
|
}
|
|
|
|
|
|
RawTwoByteString* TwoByteString::ReadFrom(SnapshotReader* reader,
|
|
intptr_t object_id,
|
|
intptr_t tags,
|
|
Snapshot::Kind kind) {
|
|
// Read the length so that we can determine instance size to allocate.
|
|
ASSERT(reader != NULL);
|
|
intptr_t len = reader->ReadSmiValue();
|
|
intptr_t hash = reader->ReadSmiValue();
|
|
TwoByteString& str_obj = TwoByteString::ZoneHandle(reader->isolate(),
|
|
TwoByteString::null());
|
|
|
|
if (kind == Snapshot::kFull) {
|
|
RawTwoByteString* obj = reader->NewTwoByteString(len);
|
|
str_obj = obj;
|
|
str_obj.set_tags(tags);
|
|
obj->ptr()->hash_ = Smi::New(hash);
|
|
uint16_t* raw_ptr = (len > 0)? str_obj.CharAddr(0) : NULL;
|
|
for (intptr_t i = 0; i < len; i++) {
|
|
ASSERT(str_obj.CharAddr(i) == raw_ptr); // Will trigger assertions.
|
|
*raw_ptr = reader->Read<uint16_t>();
|
|
raw_ptr += 1;
|
|
}
|
|
ASSERT(String::Hash(str_obj, 0, str_obj.Length()) == hash);
|
|
} else {
|
|
ReadFromImpl<TwoByteString, uint16_t>(reader, &str_obj, len, tags);
|
|
}
|
|
reader->AddBackRef(object_id, &str_obj, kIsDeserialized);
|
|
return str_obj.raw();
|
|
}
|
|
|
|
|
|
RawFourByteString* FourByteString::ReadFrom(SnapshotReader* reader,
|
|
intptr_t object_id,
|
|
intptr_t tags,
|
|
Snapshot::Kind kind) {
|
|
// Read the length so that we can determine instance size to allocate.
|
|
ASSERT(reader != NULL);
|
|
intptr_t len = reader->ReadSmiValue();
|
|
intptr_t hash = reader->ReadSmiValue();
|
|
FourByteString& str_obj = FourByteString::ZoneHandle(reader->isolate(),
|
|
FourByteString::null());
|
|
|
|
if (kind == Snapshot::kFull) {
|
|
RawFourByteString* obj = reader->NewFourByteString(len);
|
|
str_obj = obj;
|
|
str_obj.set_tags(tags);
|
|
obj->ptr()->hash_ = Smi::New(hash);
|
|
uint32_t* raw_ptr = (len > 0)? str_obj.CharAddr(0) : NULL;
|
|
for (intptr_t i = 0; i < len; i++) {
|
|
ASSERT(str_obj.CharAddr(i) == raw_ptr); // Will trigger assertions.
|
|
*raw_ptr = reader->Read<uint32_t>();
|
|
raw_ptr += 1;
|
|
}
|
|
ASSERT(String::Hash(str_obj, 0, str_obj.Length()) == hash);
|
|
} else {
|
|
ReadFromImpl<FourByteString, uint32_t>(reader, &str_obj, len, tags);
|
|
}
|
|
reader->AddBackRef(object_id, &str_obj, kIsDeserialized);
|
|
return str_obj.raw();
|
|
}
|
|
|
|
|
|
template<typename T>
|
|
static void StringWriteTo(SnapshotWriter* writer,
|
|
intptr_t object_id,
|
|
Snapshot::Kind kind,
|
|
intptr_t class_id,
|
|
intptr_t tags,
|
|
RawSmi* length,
|
|
RawSmi* hash,
|
|
T* data) {
|
|
ASSERT(writer != NULL);
|
|
intptr_t len = Smi::Value(length);
|
|
|
|
// Write out the serialization header value for this object.
|
|
writer->WriteInlinedObjectHeader(object_id);
|
|
|
|
// Write out the class and tags information.
|
|
writer->WriteIndexedObject(class_id);
|
|
writer->WriteIntptrValue(tags);
|
|
|
|
// Write out the length field.
|
|
writer->Write<RawObject*>(length);
|
|
|
|
// Write out the hash field.
|
|
writer->Write<RawObject*>(hash);
|
|
|
|
// Write out the string.
|
|
if (len > 0) {
|
|
if (class_id == kOneByteStringCid) {
|
|
writer->WriteBytes(reinterpret_cast<const uint8_t*>(data), len);
|
|
} else {
|
|
for (intptr_t i = 0; i < len; i++) {
|
|
writer->Write(data[i]);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
void RawOneByteString::WriteTo(SnapshotWriter* writer,
|
|
intptr_t object_id,
|
|
Snapshot::Kind kind) {
|
|
StringWriteTo(writer,
|
|
object_id,
|
|
kind,
|
|
kOneByteStringCid,
|
|
writer->GetObjectTags(this),
|
|
ptr()->length_,
|
|
ptr()->hash_,
|
|
ptr()->data_);
|
|
}
|
|
|
|
|
|
void RawTwoByteString::WriteTo(SnapshotWriter* writer,
|
|
intptr_t object_id,
|
|
Snapshot::Kind kind) {
|
|
StringWriteTo(writer,
|
|
object_id,
|
|
kind,
|
|
kTwoByteStringCid,
|
|
writer->GetObjectTags(this),
|
|
ptr()->length_,
|
|
ptr()->hash_,
|
|
ptr()->data_);
|
|
}
|
|
|
|
|
|
void RawFourByteString::WriteTo(SnapshotWriter* writer,
|
|
intptr_t object_id,
|
|
Snapshot::Kind kind) {
|
|
StringWriteTo(writer,
|
|
object_id,
|
|
kind,
|
|
kFourByteStringCid,
|
|
writer->GetObjectTags(this),
|
|
ptr()->length_,
|
|
ptr()->hash_,
|
|
ptr()->data_);
|
|
}
|
|
|
|
|
|
RawExternalOneByteString* ExternalOneByteString::ReadFrom(
|
|
SnapshotReader* reader,
|
|
intptr_t object_id,
|
|
intptr_t tags,
|
|
Snapshot::Kind kind) {
|
|
UNREACHABLE();
|
|
return ExternalOneByteString::null();
|
|
}
|
|
|
|
|
|
RawExternalTwoByteString* ExternalTwoByteString::ReadFrom(
|
|
SnapshotReader* reader,
|
|
intptr_t object_id,
|
|
intptr_t tags,
|
|
Snapshot::Kind kind) {
|
|
UNREACHABLE();
|
|
return ExternalTwoByteString::null();
|
|
}
|
|
|
|
|
|
RawExternalFourByteString* ExternalFourByteString::ReadFrom(
|
|
SnapshotReader* reader,
|
|
intptr_t object_id,
|
|
intptr_t tags,
|
|
Snapshot::Kind kind) {
|
|
UNREACHABLE();
|
|
return ExternalFourByteString::null();
|
|
}
|
|
|
|
|
|
void RawExternalOneByteString::WriteTo(SnapshotWriter* writer,
|
|
intptr_t object_id,
|
|
Snapshot::Kind kind) {
|
|
// Serialize as a non-external one byte string.
|
|
StringWriteTo(writer,
|
|
object_id,
|
|
kind,
|
|
kOneByteStringCid,
|
|
writer->GetObjectTags(this),
|
|
ptr()->length_,
|
|
ptr()->hash_,
|
|
ptr()->external_data_->data());
|
|
}
|
|
|
|
|
|
void RawExternalTwoByteString::WriteTo(SnapshotWriter* writer,
|
|
intptr_t object_id,
|
|
Snapshot::Kind kind) {
|
|
// Serialize as a non-external two byte string.
|
|
StringWriteTo(writer,
|
|
object_id,
|
|
kind,
|
|
kTwoByteStringCid,
|
|
writer->GetObjectTags(this),
|
|
ptr()->length_,
|
|
ptr()->hash_,
|
|
ptr()->external_data_->data());
|
|
}
|
|
|
|
|
|
void RawExternalFourByteString::WriteTo(SnapshotWriter* writer,
|
|
intptr_t object_id,
|
|
Snapshot::Kind kind) {
|
|
// Serialize as a non-external four byte string.
|
|
StringWriteTo(writer,
|
|
object_id,
|
|
kind,
|
|
kFourByteStringCid,
|
|
writer->GetObjectTags(this),
|
|
ptr()->length_,
|
|
ptr()->hash_,
|
|
ptr()->external_data_->data());
|
|
}
|
|
|
|
|
|
RawBool* Bool::ReadFrom(SnapshotReader* reader,
|
|
intptr_t object_id,
|
|
intptr_t tags,
|
|
Snapshot::Kind kind) {
|
|
UNREACHABLE();
|
|
return Bool::null();
|
|
}
|
|
|
|
|
|
void RawBool::WriteTo(SnapshotWriter* writer,
|
|
intptr_t object_id,
|
|
Snapshot::Kind kind) {
|
|
UNREACHABLE();
|
|
}
|
|
|
|
|
|
RawArray* Array::ReadFrom(SnapshotReader* reader,
|
|
intptr_t object_id,
|
|
intptr_t tags,
|
|
Snapshot::Kind kind) {
|
|
ASSERT(reader != NULL);
|
|
|
|
// Read the length so that we can determine instance size to allocate.
|
|
intptr_t len = reader->ReadSmiValue();
|
|
Array* array = reinterpret_cast<Array*>(
|
|
reader->GetBackRef(object_id));
|
|
if (array == NULL) {
|
|
array = &(Array::ZoneHandle(reader->isolate(),
|
|
NEW_OBJECT_WITH_LEN(Array, len)));
|
|
reader->AddBackRef(object_id, array, kIsDeserialized);
|
|
}
|
|
reader->ArrayReadFrom(*array, len, tags);
|
|
return array->raw();
|
|
}
|
|
|
|
|
|
RawImmutableArray* ImmutableArray::ReadFrom(SnapshotReader* reader,
|
|
intptr_t object_id,
|
|
intptr_t tags,
|
|
Snapshot::Kind kind) {
|
|
ASSERT(reader != NULL);
|
|
|
|
// Read the length so that we can determine instance size to allocate.
|
|
intptr_t len = reader->ReadSmiValue();
|
|
ImmutableArray* array = reinterpret_cast<ImmutableArray*>(
|
|
reader->GetBackRef(object_id));
|
|
if (array == NULL) {
|
|
array = &(ImmutableArray::ZoneHandle(
|
|
reader->isolate(), NEW_OBJECT_WITH_LEN(ImmutableArray, len)));
|
|
reader->AddBackRef(object_id, array, kIsDeserialized);
|
|
}
|
|
reader->ArrayReadFrom(*array, len, tags);
|
|
return array->raw();
|
|
}
|
|
|
|
|
|
void RawArray::WriteTo(SnapshotWriter* writer,
|
|
intptr_t object_id,
|
|
Snapshot::Kind kind) {
|
|
writer->ArrayWriteTo(object_id,
|
|
kArrayCid,
|
|
writer->GetObjectTags(this),
|
|
ptr()->length_,
|
|
ptr()->type_arguments_,
|
|
ptr()->data());
|
|
}
|
|
|
|
|
|
void RawImmutableArray::WriteTo(SnapshotWriter* writer,
|
|
intptr_t object_id,
|
|
Snapshot::Kind kind) {
|
|
writer->ArrayWriteTo(object_id,
|
|
kImmutableArrayCid,
|
|
writer->GetObjectTags(this),
|
|
ptr()->length_,
|
|
ptr()->type_arguments_,
|
|
ptr()->data());
|
|
}
|
|
|
|
|
|
RawGrowableObjectArray* GrowableObjectArray::ReadFrom(SnapshotReader* reader,
|
|
intptr_t object_id,
|
|
intptr_t tags,
|
|
Snapshot::Kind kind) {
|
|
ASSERT(reader != NULL);
|
|
|
|
// Read the length so that we can determine instance size to allocate.
|
|
GrowableObjectArray& array = GrowableObjectArray::ZoneHandle(
|
|
reader->isolate(), GrowableObjectArray::null());
|
|
if (kind == Snapshot::kFull) {
|
|
array = reader->NewGrowableObjectArray();
|
|
} else {
|
|
array = GrowableObjectArray::New(0);
|
|
}
|
|
reader->AddBackRef(object_id, &array, kIsDeserialized);
|
|
intptr_t length = reader->ReadSmiValue();
|
|
array.SetLength(length);
|
|
Array& contents = Array::Handle();
|
|
contents ^= reader->ReadObjectImpl();
|
|
array.SetData(contents);
|
|
const AbstractTypeArguments& type_arguments =
|
|
AbstractTypeArguments::Handle(contents.GetTypeArguments());
|
|
array.SetTypeArguments(type_arguments);
|
|
return array.raw();
|
|
}
|
|
|
|
|
|
void RawGrowableObjectArray::WriteTo(SnapshotWriter* writer,
|
|
intptr_t object_id,
|
|
Snapshot::Kind kind) {
|
|
ASSERT(writer != NULL);
|
|
|
|
// Write out the serialization header value for this object.
|
|
writer->WriteInlinedObjectHeader(object_id);
|
|
|
|
// Write out the class and tags information.
|
|
writer->WriteIndexedObject(kGrowableObjectArrayCid);
|
|
writer->WriteIntptrValue(writer->GetObjectTags(this));
|
|
|
|
// Write out the used length field.
|
|
writer->Write<RawObject*>(ptr()->length_);
|
|
|
|
// Write out the Array object.
|
|
writer->WriteObjectImpl(ptr()->data_);
|
|
}
|
|
|
|
|
|
RawByteArray* ByteArray::ReadFrom(SnapshotReader* reader,
|
|
intptr_t object_id,
|
|
intptr_t tags,
|
|
Snapshot::Kind kind) {
|
|
UNREACHABLE(); // ByteArray is an abstract class.
|
|
return ByteArray::null();
|
|
}
|
|
|
|
|
|
template<typename HandleT, typename RawT, typename ElementT>
|
|
RawT* ByteArray::ReadFromImpl(SnapshotReader* reader,
|
|
intptr_t object_id,
|
|
intptr_t tags,
|
|
Snapshot::Kind kind) {
|
|
ASSERT(reader != NULL);
|
|
|
|
intptr_t len = reader->ReadSmiValue();
|
|
Heap::Space space = (kind == Snapshot::kFull) ? Heap::kOld : Heap::kNew;
|
|
HandleT& result =
|
|
HandleT::ZoneHandle(reader->isolate(), HandleT::New(len, space));
|
|
reader->AddBackRef(object_id, &result, kIsDeserialized);
|
|
|
|
// Set the object tags.
|
|
result.set_tags(tags);
|
|
|
|
// Setup the array elements.
|
|
for (intptr_t i = 0; i < len; ++i) {
|
|
result.SetAt(i, reader->Read<ElementT>());
|
|
}
|
|
return result.raw();
|
|
}
|
|
|
|
|
|
#define BYTEARRAY_TYPE_LIST(V) \
|
|
V(Int8, int8, int8_t) \
|
|
V(Uint8, uint8, uint8_t) \
|
|
V(Int16, int16, int16_t) \
|
|
V(Uint16, uint16, uint16_t) \
|
|
V(Int32, int32, int32_t) \
|
|
V(Uint32, uint32, uint32_t) \
|
|
V(Int64, int64, int64_t) \
|
|
V(Uint64, uint64, uint64_t) \
|
|
V(Float32, float32, float) \
|
|
V(Float64, float64, double) \
|
|
|
|
|
|
#define BYTEARRAY_READ_FROM(name, lname, type) \
|
|
Raw##name##Array* name##Array::ReadFrom(SnapshotReader* reader, \
|
|
intptr_t object_id, \
|
|
intptr_t tags, \
|
|
Snapshot::Kind kind) { \
|
|
return ReadFromImpl<name##Array, Raw##name##Array, type>(reader, \
|
|
object_id, \
|
|
tags, \
|
|
kind); \
|
|
} \
|
|
|
|
|
|
BYTEARRAY_TYPE_LIST(BYTEARRAY_READ_FROM)
|
|
#undef BYTEARRAY_READ_FROM
|
|
|
|
|
|
#define EXTERNALARRAY_READ_FROM(name, lname, type) \
|
|
RawExternal##name##Array* External##name##Array::ReadFrom( \
|
|
SnapshotReader* reader, \
|
|
intptr_t object_id, \
|
|
intptr_t tags, \
|
|
Snapshot::Kind kind) { \
|
|
ASSERT(kind != Snapshot::kFull); \
|
|
intptr_t length = reader->ReadSmiValue(); \
|
|
type* data = reinterpret_cast<type*>(reader->ReadIntptrValue()); \
|
|
void* peer = reinterpret_cast<void*>(reader->ReadIntptrValue()); \
|
|
Dart_PeerFinalizer callback = \
|
|
reinterpret_cast<Dart_PeerFinalizer>(reader->ReadIntptrValue()); \
|
|
const Class& cls = Class::Handle( \
|
|
reader->isolate()->object_store()->external_##lname##_array_class()); \
|
|
return NewExternalImpl<External##name##Array, RawExternal##name##Array>( \
|
|
cls, data, length, peer, callback, Heap::kNew); \
|
|
} \
|
|
|
|
|
|
BYTEARRAY_TYPE_LIST(EXTERNALARRAY_READ_FROM)
|
|
#undef EXTERNALARRAY_READ_FROM
|
|
|
|
|
|
static void ByteArrayWriteTo(SnapshotWriter* writer,
|
|
intptr_t object_id,
|
|
Snapshot::Kind kind,
|
|
intptr_t byte_array_kind,
|
|
intptr_t tags,
|
|
RawSmi* length,
|
|
uint8_t* data) {
|
|
ASSERT(writer != NULL);
|
|
intptr_t len = Smi::Value(length);
|
|
|
|
// Write out the serialization header value for this object.
|
|
writer->WriteInlinedObjectHeader(object_id);
|
|
|
|
// Write out the class and tags information.
|
|
writer->WriteIndexedObject(byte_array_kind);
|
|
writer->WriteIntptrValue(tags);
|
|
|
|
// Write out the length field.
|
|
writer->Write<RawObject*>(length);
|
|
|
|
// Write out the array elements.
|
|
for (intptr_t i = 0; i < len; i++) {
|
|
writer->Write(data[i]);
|
|
}
|
|
}
|
|
|
|
|
|
void RawByteArray::WriteTo(SnapshotWriter* writer,
|
|
intptr_t object_id,
|
|
Snapshot::Kind kind) {
|
|
UNREACHABLE(); // ByteArray is an abstract class
|
|
}
|
|
|
|
|
|
#define BYTEARRAY_WRITE_TO(name, lname, type) \
|
|
void Raw##name##Array::WriteTo(SnapshotWriter* writer, \
|
|
intptr_t object_id, \
|
|
Snapshot::Kind kind) { \
|
|
ByteArrayWriteTo(writer, \
|
|
object_id, \
|
|
kind, \
|
|
k##name##ArrayCid, \
|
|
writer->GetObjectTags(this), \
|
|
ptr()->length_, \
|
|
reinterpret_cast<uint8_t*>(ptr()->data_)); \
|
|
} \
|
|
|
|
|
|
BYTEARRAY_TYPE_LIST(BYTEARRAY_WRITE_TO)
|
|
#undef BYTEARRAY_WRITE_TO
|
|
|
|
|
|
#define EXTERNALARRAY_WRITE_TO(name, lname, type) \
|
|
void RawExternal##name##Array::WriteTo(SnapshotWriter* writer, \
|
|
intptr_t object_id, \
|
|
Snapshot::Kind kind) { \
|
|
ByteArrayWriteTo(writer, \
|
|
object_id, \
|
|
kind, \
|
|
k##name##ArrayCid, \
|
|
writer->GetObjectTags(this), \
|
|
ptr()->length_, \
|
|
reinterpret_cast<uint8_t*>(ptr()->external_data_->data())); \
|
|
} \
|
|
|
|
|
|
BYTEARRAY_TYPE_LIST(EXTERNALARRAY_WRITE_TO)
|
|
#undef BYTEARRAY_WRITE_TO
|
|
#undef BYTEARRAY_TYPE_LIST
|
|
|
|
|
|
RawClosure* Closure::ReadFrom(SnapshotReader* reader,
|
|
intptr_t object_id,
|
|
intptr_t tags,
|
|
Snapshot::Kind kind) {
|
|
UNIMPLEMENTED();
|
|
return Closure::null();
|
|
}
|
|
|
|
|
|
void RawClosure::WriteTo(SnapshotWriter* writer,
|
|
intptr_t object_id,
|
|
Snapshot::Kind kind) {
|
|
UNIMPLEMENTED();
|
|
}
|
|
|
|
|
|
RawStacktrace* Stacktrace::ReadFrom(SnapshotReader* reader,
|
|
intptr_t object_id,
|
|
intptr_t tags,
|
|
Snapshot::Kind kind) {
|
|
UNIMPLEMENTED();
|
|
return Stacktrace::null();
|
|
}
|
|
|
|
|
|
void RawStacktrace::WriteTo(SnapshotWriter* writer,
|
|
intptr_t object_id,
|
|
Snapshot::Kind kind) {
|
|
UNIMPLEMENTED();
|
|
}
|
|
|
|
|
|
RawJSRegExp* JSRegExp::ReadFrom(SnapshotReader* reader,
|
|
intptr_t object_id,
|
|
intptr_t tags,
|
|
Snapshot::Kind kind) {
|
|
ASSERT(reader != NULL);
|
|
ASSERT(kind == Snapshot::kMessage);
|
|
|
|
// Read the length so that we can determine instance size to allocate.
|
|
intptr_t len = reader->ReadSmiValue();
|
|
|
|
// Allocate JSRegExp object.
|
|
JSRegExp& regex = JSRegExp::ZoneHandle(
|
|
reader->isolate(),
|
|
JSRegExp::New(len, (kind == Snapshot::kFull) ? Heap::kOld : Heap::kNew));
|
|
reader->AddBackRef(object_id, ®ex, kIsDeserialized);
|
|
|
|
// Set the object tags.
|
|
regex.set_tags(tags);
|
|
|
|
// Read and Set all the other fields.
|
|
regex.raw_ptr()->num_bracket_expressions_ = reader->ReadAsSmi();
|
|
*reader->StringHandle() ^= reader->ReadObjectImpl();
|
|
regex.raw_ptr()->pattern_ = (*reader->StringHandle()).raw();
|
|
regex.raw_ptr()->type_ = reader->ReadIntptrValue();
|
|
regex.raw_ptr()->flags_ = reader->ReadIntptrValue();
|
|
|
|
// TODO(5411462): Need to implement a way of recompiling the regex.
|
|
|
|
return regex.raw();
|
|
}
|
|
|
|
|
|
void RawJSRegExp::WriteTo(SnapshotWriter* writer,
|
|
intptr_t object_id,
|
|
Snapshot::Kind kind) {
|
|
ASSERT(writer != NULL);
|
|
ASSERT(kind == Snapshot::kMessage);
|
|
|
|
// Write out the serialization header value for this object.
|
|
writer->WriteInlinedObjectHeader(object_id);
|
|
|
|
// Write out the class and tags information.
|
|
writer->WriteIndexedObject(kJSRegExpCid);
|
|
writer->WriteIntptrValue(writer->GetObjectTags(this));
|
|
|
|
// Write out the data length field.
|
|
writer->Write<RawObject*>(ptr()->data_length_);
|
|
|
|
// Write out all the other fields.
|
|
writer->Write<RawObject*>(ptr()->num_bracket_expressions_);
|
|
writer->WriteObjectImpl(ptr()->pattern_);
|
|
writer->WriteIntptrValue(ptr()->type_);
|
|
writer->WriteIntptrValue(ptr()->flags_);
|
|
|
|
// Do not write out the data part which is native.
|
|
}
|
|
|
|
|
|
RawWeakProperty* WeakProperty::ReadFrom(SnapshotReader* reader,
|
|
intptr_t object_id,
|
|
intptr_t tags,
|
|
Snapshot::Kind kind) {
|
|
ASSERT(reader != NULL);
|
|
|
|
// Allocate the weak property object.
|
|
WeakProperty& weak_property = WeakProperty::ZoneHandle(
|
|
reader->isolate(),
|
|
WeakProperty::New((kind == Snapshot::kFull) ? Heap::kOld : Heap::kNew));
|
|
reader->AddBackRef(object_id, &weak_property, kIsDeserialized);
|
|
|
|
// Set the object tags.
|
|
weak_property.set_tags(tags);
|
|
|
|
// Set all the object fields.
|
|
weak_property.raw_ptr()->key_ = reader->ReadObjectRef();
|
|
weak_property.raw_ptr()->value_ = reader->ReadObjectRef();
|
|
|
|
return weak_property.raw();
|
|
}
|
|
|
|
|
|
void RawWeakProperty::WriteTo(SnapshotWriter* writer,
|
|
intptr_t object_id,
|
|
Snapshot::Kind kind) {
|
|
ASSERT(writer != NULL);
|
|
|
|
// Write out the serialization header value for this object.
|
|
writer->WriteInlinedObjectHeader(object_id);
|
|
|
|
// Write out the class and tags information.
|
|
writer->WriteIndexedObject(kWeakPropertyCid);
|
|
writer->WriteIntptrValue(writer->GetObjectTags(this));
|
|
|
|
// Write out all the other fields.
|
|
writer->Write<RawObject*>(ptr()->key_);
|
|
writer->Write<RawObject*>(ptr()->value_);
|
|
}
|
|
|
|
} // namespace dart
|