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1 // Copyright 2014 the V8 project authors. All rights reserved. | 1 // Copyright 2014 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "src/v8.h" | 5 #include "src/v8.h" |
6 | 6 |
7 #include "src/arguments.h" | 7 #include "src/arguments.h" |
8 #include "src/runtime/runtime.h" | 8 #include "src/runtime/runtime.h" |
9 #include "src/runtime/runtime-utils.h" | 9 #include "src/runtime/runtime-utils.h" |
10 | 10 |
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493 | 493 |
494 | 494 |
495 RUNTIME_FUNCTION(Runtime_TypedArrayMaxSizeInHeap) { | 495 RUNTIME_FUNCTION(Runtime_TypedArrayMaxSizeInHeap) { |
496 DCHECK(args.length() == 0); | 496 DCHECK(args.length() == 0); |
497 DCHECK_OBJECT_SIZE(FLAG_typed_array_max_size_in_heap + | 497 DCHECK_OBJECT_SIZE(FLAG_typed_array_max_size_in_heap + |
498 FixedTypedArrayBase::kDataOffset); | 498 FixedTypedArrayBase::kDataOffset); |
499 return Smi::FromInt(FLAG_typed_array_max_size_in_heap); | 499 return Smi::FromInt(FLAG_typed_array_max_size_in_heap); |
500 } | 500 } |
501 | 501 |
502 | 502 |
| 503 RUNTIME_FUNCTION(Runtime_IsTypedArray) { |
| 504 HandleScope scope(isolate); |
| 505 DCHECK(args.length() == 1); |
| 506 return isolate->heap()->ToBoolean(args[0]->IsJSTypedArray()); |
| 507 } |
| 508 |
| 509 |
503 RUNTIME_FUNCTION(Runtime_DataViewInitialize) { | 510 RUNTIME_FUNCTION(Runtime_DataViewInitialize) { |
504 HandleScope scope(isolate); | 511 HandleScope scope(isolate); |
505 DCHECK(args.length() == 4); | 512 DCHECK(args.length() == 4); |
506 CONVERT_ARG_HANDLE_CHECKED(JSDataView, holder, 0); | 513 CONVERT_ARG_HANDLE_CHECKED(JSDataView, holder, 0); |
507 CONVERT_ARG_HANDLE_CHECKED(JSArrayBuffer, buffer, 1); | 514 CONVERT_ARG_HANDLE_CHECKED(JSArrayBuffer, buffer, 1); |
508 CONVERT_NUMBER_ARG_HANDLE_CHECKED(byte_offset, 2); | 515 CONVERT_NUMBER_ARG_HANDLE_CHECKED(byte_offset, 2); |
509 CONVERT_NUMBER_ARG_HANDLE_CHECKED(byte_length, 3); | 516 CONVERT_NUMBER_ARG_HANDLE_CHECKED(byte_length, 3); |
510 | 517 |
511 DCHECK(holder->GetInternalFieldCount() == | 518 DCHECK(holder->GetInternalFieldCount() == |
512 v8::ArrayBufferView::kInternalFieldCount); | 519 v8::ArrayBufferView::kInternalFieldCount); |
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751 DATA_VIEW_SETTER(Uint16, uint16_t) | 758 DATA_VIEW_SETTER(Uint16, uint16_t) |
752 DATA_VIEW_SETTER(Int16, int16_t) | 759 DATA_VIEW_SETTER(Int16, int16_t) |
753 DATA_VIEW_SETTER(Uint32, uint32_t) | 760 DATA_VIEW_SETTER(Uint32, uint32_t) |
754 DATA_VIEW_SETTER(Int32, int32_t) | 761 DATA_VIEW_SETTER(Int32, int32_t) |
755 DATA_VIEW_SETTER(Float32, float) | 762 DATA_VIEW_SETTER(Float32, float) |
756 DATA_VIEW_SETTER(Float64, double) | 763 DATA_VIEW_SETTER(Float64, double) |
757 | 764 |
758 #undef DATA_VIEW_SETTER | 765 #undef DATA_VIEW_SETTER |
759 } | 766 } |
760 } // namespace v8::internal | 767 } // namespace v8::internal |
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