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author | Tor Arne Vestbø <tor.arne.vestbo@digia.com> | 2012-10-26 12:28:31 +0200 |
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committer | Tor Arne Vestbø <tor.arne.vestbo@digia.com> | 2012-10-26 12:28:53 +0200 |
commit | 6e5818f2bbc8443b9308252a5e1543e014ef439d (patch) | |
tree | 07922adee2f13e818b9439c8a0bdf871dda59039 /src/3rdparty/angle/src/compiler/InitializeParseContext.cpp | |
parent | 32aac0a1c009ee940920fd12f277180dd80b8eff (diff) | |
parent | deac55becd18efa4504eb686a1bb8081a5cd488a (diff) |
Merge remote-tracking branch 'gerrit/master' into newdocs
Change-Id: I10cf9f915c602c8e5a0e7d7c9e17b7bc5ca00640
Diffstat (limited to 'src/3rdparty/angle/src/compiler/InitializeParseContext.cpp')
-rw-r--r-- | src/3rdparty/angle/src/compiler/InitializeParseContext.cpp | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/src/3rdparty/angle/src/compiler/InitializeParseContext.cpp b/src/3rdparty/angle/src/compiler/InitializeParseContext.cpp new file mode 100644 index 0000000000..1f40cf5800 --- /dev/null +++ b/src/3rdparty/angle/src/compiler/InitializeParseContext.cpp @@ -0,0 +1,96 @@ +// +// Copyright (c) 2012 The ANGLE Project Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. +// + +#include "compiler/InitializeParseContext.h" + +#include "compiler/osinclude.h" + +OS_TLSIndex GlobalParseContextIndex = OS_INVALID_TLS_INDEX; + +bool InitializeParseContextIndex() +{ + if (GlobalParseContextIndex != OS_INVALID_TLS_INDEX) { + assert(0 && "InitializeParseContextIndex(): Parse Context already initalized"); + return false; + } + + // + // Allocate a TLS index. + // + GlobalParseContextIndex = OS_AllocTLSIndex(); + + if (GlobalParseContextIndex == OS_INVALID_TLS_INDEX) { + assert(0 && "InitializeParseContextIndex(): Parse Context already initalized"); + return false; + } + + return true; +} + +bool FreeParseContextIndex() +{ + OS_TLSIndex tlsiIndex = GlobalParseContextIndex; + + if (GlobalParseContextIndex == OS_INVALID_TLS_INDEX) { + assert(0 && "FreeParseContextIndex(): Parse Context index not initalized"); + return false; + } + + GlobalParseContextIndex = OS_INVALID_TLS_INDEX; + + return OS_FreeTLSIndex(tlsiIndex); +} + +bool InitializeGlobalParseContext() +{ + if (GlobalParseContextIndex == OS_INVALID_TLS_INDEX) { + assert(0 && "InitializeGlobalParseContext(): Parse Context index not initalized"); + return false; + } + + TThreadParseContext *lpParseContext = static_cast<TThreadParseContext *>(OS_GetTLSValue(GlobalParseContextIndex)); + if (lpParseContext != 0) { + assert(0 && "InitializeParseContextIndex(): Parse Context already initalized"); + return false; + } + + TThreadParseContext *lpThreadData = new TThreadParseContext(); + if (lpThreadData == 0) { + assert(0 && "InitializeGlobalParseContext(): Unable to create thread parse context"); + return false; + } + + lpThreadData->lpGlobalParseContext = 0; + OS_SetTLSValue(GlobalParseContextIndex, lpThreadData); + + return true; +} + +bool FreeParseContext() +{ + if (GlobalParseContextIndex == OS_INVALID_TLS_INDEX) { + assert(0 && "FreeParseContext(): Parse Context index not initalized"); + return false; + } + + TThreadParseContext *lpParseContext = static_cast<TThreadParseContext *>(OS_GetTLSValue(GlobalParseContextIndex)); + if (lpParseContext) + delete lpParseContext; + + return true; +} + +TParseContextPointer& GetGlobalParseContext() +{ + // + // Minimal error checking for speed + // + + TThreadParseContext *lpParseContext = static_cast<TThreadParseContext *>(OS_GetTLSValue(GlobalParseContextIndex)); + + return lpParseContext->lpGlobalParseContext; +} + |