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1 // |
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2 // Copyright (c) 2012 The ANGLE Project Authors. All rights reserved. |
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3 // Use of this source code is governed by a BSD-style license that can be |
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4 // found in the LICENSE file. |
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5 // |
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6 |
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7 #include "compiler/InitializeParseContext.h" |
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8 |
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9 #include "compiler/osinclude.h" |
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10 |
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11 OS_TLSIndex GlobalParseContextIndex = OS_INVALID_TLS_INDEX; |
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12 |
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13 bool InitializeParseContextIndex() |
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14 { |
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15 assert(GlobalParseContextIndex == OS_INVALID_TLS_INDEX); |
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16 |
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17 GlobalParseContextIndex = OS_AllocTLSIndex(); |
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18 return GlobalParseContextIndex != OS_INVALID_TLS_INDEX; |
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19 } |
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20 |
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21 void FreeParseContextIndex() |
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22 { |
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23 assert(GlobalParseContextIndex != OS_INVALID_TLS_INDEX); |
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24 |
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25 OS_FreeTLSIndex(GlobalParseContextIndex); |
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26 GlobalParseContextIndex = OS_INVALID_TLS_INDEX; |
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27 } |
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28 |
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29 void SetGlobalParseContext(TParseContext* context) |
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30 { |
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31 assert(GlobalParseContextIndex != OS_INVALID_TLS_INDEX); |
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32 OS_SetTLSValue(GlobalParseContextIndex, context); |
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33 } |
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34 |
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35 TParseContext* GetGlobalParseContext() |
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36 { |
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37 assert(GlobalParseContextIndex != OS_INVALID_TLS_INDEX); |
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38 return static_cast<TParseContext*>(OS_GetTLSValue(GlobalParseContextIndex)); |
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39 } |
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40 |