michael@0: //
michael@0: // Copyright (c) 2012 The ANGLE Project Authors. All rights reserved.
michael@0: // Use of this source code is governed by a BSD-style license that can be
michael@0: // found in the LICENSE file.
michael@0: //
michael@0: 
michael@0: #include "compiler/InitializeParseContext.h"
michael@0: 
michael@0: #include "compiler/osinclude.h"
michael@0: 
michael@0: OS_TLSIndex GlobalParseContextIndex = OS_INVALID_TLS_INDEX;
michael@0: 
michael@0: bool InitializeParseContextIndex()
michael@0: {
michael@0:     assert(GlobalParseContextIndex == OS_INVALID_TLS_INDEX);
michael@0: 
michael@0:     GlobalParseContextIndex = OS_AllocTLSIndex();
michael@0:     return GlobalParseContextIndex != OS_INVALID_TLS_INDEX;
michael@0: }
michael@0: 
michael@0: void FreeParseContextIndex()
michael@0: {
michael@0:     assert(GlobalParseContextIndex != OS_INVALID_TLS_INDEX);
michael@0: 
michael@0:     OS_FreeTLSIndex(GlobalParseContextIndex);
michael@0:     GlobalParseContextIndex = OS_INVALID_TLS_INDEX;
michael@0: }
michael@0: 
michael@0: void SetGlobalParseContext(TParseContext* context)
michael@0: {
michael@0:     assert(GlobalParseContextIndex != OS_INVALID_TLS_INDEX);
michael@0:     OS_SetTLSValue(GlobalParseContextIndex, context);
michael@0: }
michael@0: 
michael@0: TParseContext* GetGlobalParseContext()
michael@0: {
michael@0:     assert(GlobalParseContextIndex != OS_INVALID_TLS_INDEX);
michael@0:     return static_cast<TParseContext*>(OS_GetTLSValue(GlobalParseContextIndex));
michael@0: }
michael@0: