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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/dart_api_message.h" | 6 #include "vm/dart_api_message.h" |
7 #include "vm/object.h" | 7 #include "vm/object.h" |
8 #include "vm/snapshot_ids.h" | 8 #include "vm/snapshot_ids.h" |
9 #include "vm/symbols.h" | 9 #include "vm/symbols.h" |
10 #include "vm/unicode.h" | 10 #include "vm/unicode.h" |
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250 return view_class_names[i].type; | 250 return view_class_names[i].type; |
251 } | 251 } |
252 i++; | 252 i++; |
253 } | 253 } |
254 return Dart_TypedData_kInvalid; | 254 return Dart_TypedData_kInvalid; |
255 } | 255 } |
256 | 256 |
257 | 257 |
258 Dart_CObject* ApiMessageReader::ReadInlinedObject(intptr_t object_id) { | 258 Dart_CObject* ApiMessageReader::ReadInlinedObject(intptr_t object_id) { |
259 // Read the class header information and lookup the class. | 259 // Read the class header information and lookup the class. |
260 intptr_t class_header = ReadIntptrValue(); | 260 intptr_t class_header = Read<int32_t>(); |
261 intptr_t tags = ReadTags(); | 261 intptr_t tags = ReadTags(); |
262 USE(tags); | 262 USE(tags); |
263 intptr_t class_id; | 263 intptr_t class_id; |
264 | 264 |
265 // There is limited support for reading regular dart instances. Only | 265 // There is limited support for reading regular dart instances. Only |
266 // typed data views are currently handled. | 266 // typed data views are currently handled. |
267 if (SerializedHeaderData::decode(class_header) == kInstanceObjectId) { | 267 if (SerializedHeaderData::decode(class_header) == kInstanceObjectId) { |
268 Dart_CObject_Internal* object = | 268 Dart_CObject_Internal* object = |
269 reinterpret_cast<Dart_CObject_Internal*>(GetBackRef(object_id)); | 269 reinterpret_cast<Dart_CObject_Internal*>(GetBackRef(object_id)); |
270 if (object == NULL) { | 270 if (object == NULL) { |
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393 ASSERT((value64 <= kIntptrMax) && (value64 >= kIntptrMin)); | 393 ASSERT((value64 <= kIntptrMax) && (value64 >= kIntptrMin)); |
394 intptr_t value = static_cast<intptr_t>(value64); | 394 intptr_t value = static_cast<intptr_t>(value64); |
395 if (IsVMIsolateObject(value)) { | 395 if (IsVMIsolateObject(value)) { |
396 return ReadVMIsolateObject(value); | 396 return ReadVMIsolateObject(value); |
397 } | 397 } |
398 if (SerializedHeaderTag::decode(value) == kObjectId) { | 398 if (SerializedHeaderTag::decode(value) == kObjectId) { |
399 return ReadIndexedObject(SerializedHeaderData::decode(value)); | 399 return ReadIndexedObject(SerializedHeaderData::decode(value)); |
400 } | 400 } |
401 ASSERT(SerializedHeaderTag::decode(value) == kInlined); | 401 ASSERT(SerializedHeaderTag::decode(value) == kInlined); |
402 // Read the class header information and lookup the class. | 402 // Read the class header information and lookup the class. |
403 intptr_t class_header = ReadIntptrValue(); | 403 intptr_t class_header = Read<int32_t>(); |
404 | 404 |
405 // Reading of regular dart instances has limited support in order to | 405 // Reading of regular dart instances has limited support in order to |
406 // read typed data views. | 406 // read typed data views. |
407 if (SerializedHeaderData::decode(class_header) == kInstanceObjectId) { | 407 if (SerializedHeaderData::decode(class_header) == kInstanceObjectId) { |
408 intptr_t object_id = SerializedHeaderData::decode(value); | 408 intptr_t object_id = SerializedHeaderData::decode(value); |
409 Dart_CObject_Internal* object = | 409 Dart_CObject_Internal* object = |
410 AllocateDartCObjectInternal(Dart_CObject_Internal::kUninitialized); | 410 AllocateDartCObjectInternal(Dart_CObject_Internal::kUninitialized); |
411 AddBackRef(object_id, object, kIsNotDeserialized); | 411 AddBackRef(object_id, object, kIsNotDeserialized); |
412 // Read class of object. | 412 // Read class of object. |
413 object->cls = reinterpret_cast<Dart_CObject_Internal*>(ReadObjectImpl()); | 413 object->cls = reinterpret_cast<Dart_CObject_Internal*>(ReadObjectImpl()); |
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482 if (type != &dynamic_type_marker) { | 482 if (type != &dynamic_type_marker) { |
483 return AllocateDartCObjectUnsupported(); | 483 return AllocateDartCObjectUnsupported(); |
484 } | 484 } |
485 } | 485 } |
486 return value; | 486 return value; |
487 } | 487 } |
488 case kTypeParameterCid: { | 488 case kTypeParameterCid: { |
489 // TODO(sgjesse): Fix this workaround ignoring the type parameter. | 489 // TODO(sgjesse): Fix this workaround ignoring the type parameter. |
490 Dart_CObject* value = &dynamic_type_marker; | 490 Dart_CObject* value = &dynamic_type_marker; |
491 AddBackRef(object_id, value, kIsDeserialized); | 491 AddBackRef(object_id, value, kIsDeserialized); |
492 intptr_t index = ReadIntptrValue(); | 492 intptr_t index = Read<int32_t>(); |
493 USE(index); | 493 USE(index); |
494 intptr_t token_index = ReadIntptrValue(); | 494 intptr_t token_index = Read<int32_t>(); |
495 USE(token_index); | 495 USE(token_index); |
496 int8_t type_state = Read<int8_t>(); | 496 int8_t type_state = Read<int8_t>(); |
497 USE(type_state); | 497 USE(type_state); |
498 Dart_CObject* parameterized_class = ReadObjectImpl(); | 498 Dart_CObject* parameterized_class = ReadObjectImpl(); |
499 // The type parameter is finalized, therefore parameterized_class is null. | 499 // The type parameter is finalized, therefore parameterized_class is null. |
500 ASSERT(parameterized_class->type == Dart_CObject_kNull); | 500 ASSERT(parameterized_class->type == Dart_CObject_kNull); |
501 Dart_CObject* name = ReadObjectImpl(); | 501 Dart_CObject* name = ReadObjectImpl(); |
502 ASSERT(name->type == Dart_CObject_kString); | 502 ASSERT(name->type == Dart_CObject_kString); |
503 return value; | 503 return value; |
504 } | 504 } |
505 case kMintCid: { | 505 case kMintCid: { |
506 int64_t value64 = Read<int64_t>(); | 506 int64_t value64 = Read<int64_t>(); |
507 Dart_CObject* object; | 507 Dart_CObject* object; |
508 if ((kMinInt32 <= value64) && (value64 <= kMaxInt32)) { | 508 if ((kMinInt32 <= value64) && (value64 <= kMaxInt32)) { |
509 object = AllocateDartCObjectInt32(static_cast<int32_t>(value64)); | 509 object = AllocateDartCObjectInt32(static_cast<int32_t>(value64)); |
510 } else { | 510 } else { |
511 object = AllocateDartCObjectInt64(value64); | 511 object = AllocateDartCObjectInt64(value64); |
512 } | 512 } |
513 AddBackRef(object_id, object, kIsDeserialized); | 513 AddBackRef(object_id, object, kIsDeserialized); |
514 return object; | 514 return object; |
515 } | 515 } |
516 case kBigintCid: { | 516 case kBigintCid: { |
517 // Read in the hex string representation of the bigint. | 517 // Read in the hex string representation of the bigint. |
518 intptr_t len = ReadIntptrValue(); | 518 intptr_t len = Read<int32_t>(); |
519 Dart_CObject* object = AllocateDartCObjectBigint(len); | 519 Dart_CObject* object = AllocateDartCObjectBigint(len); |
520 AddBackRef(object_id, object, kIsDeserialized); | 520 AddBackRef(object_id, object, kIsDeserialized); |
521 char* p = object->value.as_bigint; | 521 char* p = object->value.as_bigint; |
522 for (intptr_t i = 0; i < len; i++) { | 522 for (intptr_t i = 0; i < len; i++) { |
523 p[i] = Read<uint8_t>(); | 523 p[i] = Read<uint8_t>(); |
524 } | 524 } |
525 p[len] = '\0'; | 525 p[len] = '\0'; |
526 return object; | 526 return object; |
527 } | 527 } |
528 case kDoubleCid: { | 528 case kDoubleCid: { |
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1034 chunk_len > Bigint::kMaxElements) { | 1034 chunk_len > Bigint::kMaxElements) { |
1035 return false; | 1035 return false; |
1036 } | 1036 } |
1037 // Write out the serialization header value for this object. | 1037 // Write out the serialization header value for this object. |
1038 WriteInlinedHeader(object); | 1038 WriteInlinedHeader(object); |
1039 // Write out the class and tags information. | 1039 // Write out the class and tags information. |
1040 WriteIndexedObject(kBigintCid); | 1040 WriteIndexedObject(kBigintCid); |
1041 WriteTags(0); | 1041 WriteTags(0); |
1042 // Write hex string length and content | 1042 // Write hex string length and content |
1043 intptr_t len = strlen(hex_string); | 1043 intptr_t len = strlen(hex_string); |
1044 WriteIntptrValue(len); | 1044 Write<int32_t>(len); |
1045 for (intptr_t i = 0; i < len; i++) { | 1045 for (intptr_t i = 0; i < len; i++) { |
1046 Write<uint8_t>(hex_string[i]); | 1046 Write<uint8_t>(hex_string[i]); |
1047 } | 1047 } |
1048 break; | 1048 break; |
1049 } | 1049 } |
1050 case Dart_CObject_kDouble: | 1050 case Dart_CObject_kDouble: |
1051 WriteVMIsolateObject(kDoubleObject); | 1051 WriteVMIsolateObject(kDoubleObject); |
1052 WriteDouble(object->value.as_double); | 1052 WriteDouble(object->value.as_double); |
1053 break; | 1053 break; |
1054 case Dart_CObject_kString: { | 1054 case Dart_CObject_kString: { |
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1181 if (!success) { | 1181 if (!success) { |
1182 UnmarkAllCObjects(object); | 1182 UnmarkAllCObjects(object); |
1183 return false; | 1183 return false; |
1184 } | 1184 } |
1185 } | 1185 } |
1186 UnmarkAllCObjects(object); | 1186 UnmarkAllCObjects(object); |
1187 return true; | 1187 return true; |
1188 } | 1188 } |
1189 | 1189 |
1190 } // namespace dart | 1190 } // namespace dart |
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