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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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79 | 79 |
80 void PrintElementsKind(FILE* out, ElementsKind kind); | 80 void PrintElementsKind(FILE* out, ElementsKind kind); |
81 | 81 |
82 ElementsKind GetInitialFastElementsKind(); | 82 ElementsKind GetInitialFastElementsKind(); |
83 | 83 |
84 ElementsKind GetFastElementsKindFromSequenceIndex(int sequence_index); | 84 ElementsKind GetFastElementsKindFromSequenceIndex(int sequence_index); |
85 | 85 |
86 int GetSequenceIndexFromFastElementsKind(ElementsKind elements_kind); | 86 int GetSequenceIndexFromFastElementsKind(ElementsKind elements_kind); |
87 | 87 |
88 | 88 |
| 89 inline bool IsDictionaryElementsKind(ElementsKind kind) { |
| 90 return kind == DICTIONARY_ELEMENTS; |
| 91 } |
| 92 |
| 93 |
| 94 inline bool IsExternalArrayElementsKind(ElementsKind kind) { |
| 95 return kind >= FIRST_EXTERNAL_ARRAY_ELEMENTS_KIND && |
| 96 kind <= LAST_EXTERNAL_ARRAY_ELEMENTS_KIND; |
| 97 } |
| 98 |
| 99 |
89 inline bool IsFastElementsKind(ElementsKind kind) { | 100 inline bool IsFastElementsKind(ElementsKind kind) { |
90 ASSERT(FIRST_FAST_ELEMENTS_KIND == 0); | 101 ASSERT(FIRST_FAST_ELEMENTS_KIND == 0); |
91 return kind <= FAST_HOLEY_DOUBLE_ELEMENTS; | 102 return kind <= FAST_HOLEY_DOUBLE_ELEMENTS; |
92 } | 103 } |
93 | 104 |
94 | 105 |
95 inline bool IsFastDoubleElementsKind(ElementsKind kind) { | 106 inline bool IsFastDoubleElementsKind(ElementsKind kind) { |
96 return kind == FAST_DOUBLE_ELEMENTS || | 107 return kind == FAST_DOUBLE_ELEMENTS || |
97 kind == FAST_HOLEY_DOUBLE_ELEMENTS; | 108 kind == FAST_HOLEY_DOUBLE_ELEMENTS; |
98 } | 109 } |
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201 bool allow_only_packed) { | 212 bool allow_only_packed) { |
202 return IsFastElementsKind(elements_kind) && | 213 return IsFastElementsKind(elements_kind) && |
203 (elements_kind != TERMINAL_FAST_ELEMENTS_KIND && | 214 (elements_kind != TERMINAL_FAST_ELEMENTS_KIND && |
204 (!allow_only_packed || elements_kind != FAST_ELEMENTS)); | 215 (!allow_only_packed || elements_kind != FAST_ELEMENTS)); |
205 } | 216 } |
206 | 217 |
207 | 218 |
208 } } // namespace v8::internal | 219 } } // namespace v8::internal |
209 | 220 |
210 #endif // V8_ELEMENTS_KIND_H_ | 221 #endif // V8_ELEMENTS_KIND_H_ |
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