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1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file |
2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
4 | 4 |
5 #include "vm/bigint_operations.h" | 5 #include "vm/bigint_operations.h" |
6 #include "vm/object.h" | 6 #include "vm/object.h" |
7 #include "vm/object_store.h" | 7 #include "vm/object_store.h" |
8 #include "vm/snapshot.h" | 8 #include "vm/snapshot.h" |
9 #include "vm/symbols.h" | 9 #include "vm/symbols.h" |
10 #include "vm/visitor.h" | 10 #include "vm/visitor.h" |
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1087 // Allocate library prefix object. | 1087 // Allocate library prefix object. |
1088 LibraryPrefix& prefix = LibraryPrefix::ZoneHandle( | 1088 LibraryPrefix& prefix = LibraryPrefix::ZoneHandle( |
1089 reader->isolate(), NEW_OBJECT(LibraryPrefix)); | 1089 reader->isolate(), NEW_OBJECT(LibraryPrefix)); |
1090 reader->AddBackRef(object_id, &prefix, kIsDeserialized); | 1090 reader->AddBackRef(object_id, &prefix, kIsDeserialized); |
1091 | 1091 |
1092 // Set the object tags. | 1092 // Set the object tags. |
1093 prefix.set_tags(tags); | 1093 prefix.set_tags(tags); |
1094 | 1094 |
1095 // Set all non object fields. | 1095 // Set all non object fields. |
1096 prefix.raw_ptr()->num_imports_ = reader->ReadIntptrValue(); | 1096 prefix.raw_ptr()->num_imports_ = reader->ReadIntptrValue(); |
| 1097 prefix.raw_ptr()->is_deferred_load_ = reader->Read<bool>(); |
| 1098 prefix.raw_ptr()->is_loaded_ = reader->Read<bool>(); |
1097 | 1099 |
1098 // Set all the object fields. | 1100 // Set all the object fields. |
1099 // TODO(5411462): Need to assert No GC can happen here, even though | 1101 // TODO(5411462): Need to assert No GC can happen here, even though |
1100 // allocations may happen. | 1102 // allocations may happen. |
1101 intptr_t num_flds = (prefix.raw()->to() - prefix.raw()->from()); | 1103 intptr_t num_flds = (prefix.raw()->to() - prefix.raw()->from()); |
1102 for (intptr_t i = 0; i <= num_flds; i++) { | 1104 for (intptr_t i = 0; i <= num_flds; i++) { |
1103 *(prefix.raw()->from() + i) = reader->ReadObjectRef(); | 1105 *(prefix.raw()->from() + i) = reader->ReadObjectRef(); |
1104 } | 1106 } |
1105 | 1107 |
1106 return prefix.raw(); | 1108 return prefix.raw(); |
1107 } | 1109 } |
1108 | 1110 |
1109 | 1111 |
1110 void RawLibraryPrefix::WriteTo(SnapshotWriter* writer, | 1112 void RawLibraryPrefix::WriteTo(SnapshotWriter* writer, |
1111 intptr_t object_id, | 1113 intptr_t object_id, |
1112 Snapshot::Kind kind) { | 1114 Snapshot::Kind kind) { |
1113 ASSERT(writer != NULL); | 1115 ASSERT(writer != NULL); |
1114 ASSERT(((kind == Snapshot::kScript) && | 1116 ASSERT(((kind == Snapshot::kScript) && |
1115 !RawObject::IsCreatedFromSnapshot(writer->GetObjectTags(this))) || | 1117 !RawObject::IsCreatedFromSnapshot(writer->GetObjectTags(this))) || |
1116 (kind == Snapshot::kFull)); | 1118 (kind == Snapshot::kFull)); |
1117 | 1119 |
1118 // Write out the serialization header value for this object. | 1120 // Write out the serialization header value for this object. |
1119 writer->WriteInlinedObjectHeader(object_id); | 1121 writer->WriteInlinedObjectHeader(object_id); |
1120 | 1122 |
1121 // Write out the class and tags information. | 1123 // Write out the class and tags information. |
1122 writer->WriteVMIsolateObject(kLibraryPrefixCid); | 1124 writer->WriteIndexedObject(kLibraryPrefixCid); |
1123 writer->WriteIntptrValue(writer->GetObjectTags(this)); | 1125 writer->WriteIntptrValue(writer->GetObjectTags(this)); |
1124 | 1126 |
1125 // Write out all non object fields. | 1127 // Write out all non object fields. |
1126 writer->WriteIntptrValue(ptr()->num_imports_); | 1128 writer->WriteIntptrValue(ptr()->num_imports_); |
| 1129 writer->Write<bool>(ptr()->is_deferred_load_); |
| 1130 writer->Write<bool>(ptr()->is_loaded_); |
1127 | 1131 |
1128 // Write out all the object pointer fields. | 1132 // Write out all the object pointer fields. |
1129 SnapshotWriterVisitor visitor(writer); | 1133 SnapshotWriterVisitor visitor(writer); |
1130 visitor.VisitPointers(from(), to()); | 1134 visitor.VisitPointers(from(), to()); |
1131 } | 1135 } |
1132 | 1136 |
1133 | 1137 |
1134 RawNamespace* Namespace::ReadFrom(SnapshotReader* reader, | 1138 RawNamespace* Namespace::ReadFrom(SnapshotReader* reader, |
1135 intptr_t object_id, | 1139 intptr_t object_id, |
1136 intptr_t tags, | 1140 intptr_t tags, |
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2675 // We do not allow objects with native fields in an isolate message. | 2679 // We do not allow objects with native fields in an isolate message. |
2676 writer->SetWriteException(Exceptions::kArgument, | 2680 writer->SetWriteException(Exceptions::kArgument, |
2677 "Illegal argument in isolate message" | 2681 "Illegal argument in isolate message" |
2678 " : (object is a MirrorReference)"); | 2682 " : (object is a MirrorReference)"); |
2679 } else { | 2683 } else { |
2680 UNREACHABLE(); | 2684 UNREACHABLE(); |
2681 } | 2685 } |
2682 } | 2686 } |
2683 | 2687 |
2684 } // namespace dart | 2688 } // namespace dart |
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