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| 1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project authors. All rights reserved. |
| 2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
| 3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
| 4 // met: | 4 // met: |
| 5 // | 5 // |
| 6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
| 7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
| 8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
| 9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
| 10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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| 30 #include "api.h" | 30 #include "api.h" |
| 31 #include "elements.h" | 31 #include "elements.h" |
| 32 #include "objects.h" | 32 #include "objects.h" |
| 33 | 33 |
| 34 namespace v8 { | 34 namespace v8 { |
| 35 namespace internal { | 35 namespace internal { |
| 36 | 36 |
| 37 | 37 |
| 38 int ElementsKindToShiftSize(ElementsKind elements_kind) { | 38 int ElementsKindToShiftSize(ElementsKind elements_kind) { |
| 39 switch (elements_kind) { | 39 switch (elements_kind) { |
| 40 case EXTERNAL_BYTE_ELEMENTS: | 40 case EXTERNAL_INT8_ELEMENTS: |
| 41 case EXTERNAL_PIXEL_ELEMENTS: | 41 case EXTERNAL_UINT8_CLAMPED_ELEMENTS: |
| 42 case EXTERNAL_UNSIGNED_BYTE_ELEMENTS: | 42 case EXTERNAL_UINT8_ELEMENTS: |
| 43 case UINT8_ELEMENTS: | 43 case UINT8_ELEMENTS: |
| 44 case INT8_ELEMENTS: | 44 case INT8_ELEMENTS: |
| 45 case UINT8_CLAMPED_ELEMENTS: | 45 case UINT8_CLAMPED_ELEMENTS: |
| 46 return 0; | 46 return 0; |
| 47 case EXTERNAL_SHORT_ELEMENTS: | 47 case EXTERNAL_INT16_ELEMENTS: |
| 48 case EXTERNAL_UNSIGNED_SHORT_ELEMENTS: | 48 case EXTERNAL_UINT16_ELEMENTS: |
| 49 case UINT16_ELEMENTS: | 49 case UINT16_ELEMENTS: |
| 50 case INT16_ELEMENTS: | 50 case INT16_ELEMENTS: |
| 51 return 1; | 51 return 1; |
| 52 case EXTERNAL_INT_ELEMENTS: | 52 case EXTERNAL_INT32_ELEMENTS: |
| 53 case EXTERNAL_UNSIGNED_INT_ELEMENTS: | 53 case EXTERNAL_UINT32_ELEMENTS: |
| 54 case EXTERNAL_FLOAT_ELEMENTS: | 54 case EXTERNAL_FLOAT32_ELEMENTS: |
| 55 case UINT32_ELEMENTS: | 55 case UINT32_ELEMENTS: |
| 56 case INT32_ELEMENTS: | 56 case INT32_ELEMENTS: |
| 57 case FLOAT32_ELEMENTS: | 57 case FLOAT32_ELEMENTS: |
| 58 return 2; | 58 return 2; |
| 59 case EXTERNAL_DOUBLE_ELEMENTS: | 59 case EXTERNAL_FLOAT64_ELEMENTS: |
| 60 case FAST_DOUBLE_ELEMENTS: | 60 case FAST_DOUBLE_ELEMENTS: |
| 61 case FAST_HOLEY_DOUBLE_ELEMENTS: | 61 case FAST_HOLEY_DOUBLE_ELEMENTS: |
| 62 case FLOAT64_ELEMENTS: | 62 case FLOAT64_ELEMENTS: |
| 63 return 3; | 63 return 3; |
| 64 case FAST_SMI_ELEMENTS: | 64 case FAST_SMI_ELEMENTS: |
| 65 case FAST_ELEMENTS: | 65 case FAST_ELEMENTS: |
| 66 case FAST_HOLEY_SMI_ELEMENTS: | 66 case FAST_HOLEY_SMI_ELEMENTS: |
| 67 case FAST_HOLEY_ELEMENTS: | 67 case FAST_HOLEY_ELEMENTS: |
| 68 case DICTIONARY_ELEMENTS: | 68 case DICTIONARY_ELEMENTS: |
| 69 case NON_STRICT_ARGUMENTS_ELEMENTS: | 69 case NON_STRICT_ARGUMENTS_ELEMENTS: |
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| 178 return to_kind == FAST_HOLEY_ELEMENTS; | 178 return to_kind == FAST_HOLEY_ELEMENTS; |
| 179 case FAST_HOLEY_ELEMENTS: | 179 case FAST_HOLEY_ELEMENTS: |
| 180 return false; | 180 return false; |
| 181 default: | 181 default: |
| 182 return false; | 182 return false; |
| 183 } | 183 } |
| 184 } | 184 } |
| 185 | 185 |
| 186 | 186 |
| 187 } } // namespace v8::internal | 187 } } // namespace v8::internal |
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