head 1.1; branch 1.1.1; access; symbols netbsd-11-0-RC4:1.1.1.7 netbsd-11-0-RC3:1.1.1.7 netbsd-11-0-RC2:1.1.1.7 netbsd-11-0-RC1:1.1.1.7 perseant-exfatfs-base-20250801:1.1.1.7 netbsd-11:1.1.1.7.0.10 netbsd-11-base:1.1.1.7 netbsd-10-1-RELEASE:1.1.1.7 perseant-exfatfs-base-20240630:1.1.1.7 perseant-exfatfs:1.1.1.7.0.8 perseant-exfatfs-base:1.1.1.7 netbsd-8-3-RELEASE:1.1.1.4 netbsd-9-4-RELEASE:1.1.1.6 netbsd-10-0-RELEASE:1.1.1.7 netbsd-10-0-RC6:1.1.1.7 netbsd-10-0-RC5:1.1.1.7 netbsd-10-0-RC4:1.1.1.7 netbsd-10-0-RC3:1.1.1.7 netbsd-10-0-RC2:1.1.1.7 netbsd-10-0-RC1:1.1.1.7 netbsd-10:1.1.1.7.0.6 netbsd-10-base:1.1.1.7 netbsd-9-3-RELEASE:1.1.1.6 cjep_sun2x:1.1.1.7.0.4 cjep_sun2x-base:1.1.1.7 cjep_staticlib_x-base1:1.1.1.7 netbsd-9-2-RELEASE:1.1.1.6 cjep_staticlib_x:1.1.1.7.0.2 cjep_staticlib_x-base:1.1.1.7 netbsd-9-1-RELEASE:1.1.1.6 phil-wifi-20200421:1.1.1.7 phil-wifi-20200411:1.1.1.7 phil-wifi-20200406:1.1.1.7 netbsd-8-2-RELEASE:1.1.1.4 netbsd-9-0-RELEASE:1.1.1.6 netbsd-9-0-RC2:1.1.1.6 netbsd-9-0-RC1:1.1.1.6 netbsd-9:1.1.1.6.0.2 netbsd-9-base:1.1.1.6 phil-wifi-20190609:1.1.1.6 netbsd-8-1-RELEASE:1.1.1.4 netbsd-8-1-RC1:1.1.1.4 pgoyette-compat-merge-20190127:1.1.1.5.2.1 pgoyette-compat-20190127:1.1.1.6 pgoyette-compat-20190118:1.1.1.6 pgoyette-compat-1226:1.1.1.6 pgoyette-compat-1126:1.1.1.6 pgoyette-compat-1020:1.1.1.6 pgoyette-compat-0930:1.1.1.6 pgoyette-compat-0906:1.1.1.6 netbsd-7-2-RELEASE:1.1.1.2.2.1 pgoyette-compat-0728:1.1.1.6 clang-337282:1.1.1.6 netbsd-8-0-RELEASE:1.1.1.4 phil-wifi:1.1.1.5.0.4 phil-wifi-base:1.1.1.5 pgoyette-compat-0625:1.1.1.5 netbsd-8-0-RC2:1.1.1.4 pgoyette-compat-0521:1.1.1.5 pgoyette-compat-0502:1.1.1.5 pgoyette-compat-0422:1.1.1.5 netbsd-8-0-RC1:1.1.1.4 pgoyette-compat-0415:1.1.1.5 pgoyette-compat-0407:1.1.1.5 pgoyette-compat-0330:1.1.1.5 pgoyette-compat-0322:1.1.1.5 pgoyette-compat-0315:1.1.1.5 netbsd-7-1-2-RELEASE:1.1.1.2.2.1 pgoyette-compat:1.1.1.5.0.2 pgoyette-compat-base:1.1.1.5 netbsd-7-1-1-RELEASE:1.1.1.2.2.1 clang-319952:1.1.1.5 matt-nb8-mediatek:1.1.1.4.0.12 matt-nb8-mediatek-base:1.1.1.4 clang-309604:1.1.1.5 perseant-stdc-iso10646:1.1.1.4.0.10 perseant-stdc-iso10646-base:1.1.1.4 netbsd-8:1.1.1.4.0.8 netbsd-8-base:1.1.1.4 prg-localcount2-base3:1.1.1.4 prg-localcount2-base2:1.1.1.4 prg-localcount2-base1:1.1.1.4 prg-localcount2:1.1.1.4.0.6 prg-localcount2-base:1.1.1.4 pgoyette-localcount-20170426:1.1.1.4 bouyer-socketcan-base1:1.1.1.4 pgoyette-localcount-20170320:1.1.1.4 netbsd-7-1:1.1.1.2.2.1.0.6 netbsd-7-1-RELEASE:1.1.1.2.2.1 netbsd-7-1-RC2:1.1.1.2.2.1 clang-294123:1.1.1.4 netbsd-7-nhusb-base-20170116:1.1.1.2.2.1 bouyer-socketcan:1.1.1.4.0.4 bouyer-socketcan-base:1.1.1.4 clang-291444:1.1.1.4 pgoyette-localcount-20170107:1.1.1.4 netbsd-7-1-RC1:1.1.1.2.2.1 pgoyette-localcount-20161104:1.1.1.4 netbsd-7-0-2-RELEASE:1.1.1.2.2.1 localcount-20160914:1.1.1.4 netbsd-7-nhusb:1.1.1.2.2.1.0.4 netbsd-7-nhusb-base:1.1.1.2.2.1 clang-280599:1.1.1.4 pgoyette-localcount-20160806:1.1.1.4 pgoyette-localcount-20160726:1.1.1.4 pgoyette-localcount:1.1.1.4.0.2 pgoyette-localcount-base:1.1.1.4 netbsd-7-0-1-RELEASE:1.1.1.2.2.1 clang-261930:1.1.1.4 netbsd-7-0:1.1.1.2.2.1.0.2 netbsd-7-0-RELEASE:1.1.1.2.2.1 netbsd-7-0-RC3:1.1.1.2.2.1 netbsd-7-0-RC2:1.1.1.2.2.1 netbsd-7-0-RC1:1.1.1.2.2.1 clang-237755:1.1.1.3 clang-232565:1.1.1.3 clang-227398:1.1.1.3 tls-maxphys-base:1.1.1.2 tls-maxphys:1.1.1.2.0.4 netbsd-7:1.1.1.2.0.2 netbsd-7-base:1.1.1.2 clang-215315:1.1.1.2 clang-209886:1.1.1.2 yamt-pagecache:1.1.1.1.0.4 yamt-pagecache-base9:1.1.1.1 tls-earlyentropy:1.1.1.1.0.2 tls-earlyentropy-base:1.1.1.2 riastradh-xf86-video-intel-2-7-1-pre-2-21-15:1.1.1.1 riastradh-drm2-base3:1.1.1.1 clang-202566:1.1.1.1 clang-201163:1.1.1.1 clang-199312:1.1.1.1 clang-198450:1.1.1.1 clang-196603:1.1.1.1 clang-195771:1.1.1.1 LLVM:1.1.1; locks; strict; comment @// @; 1.1 date 2013.11.28.14.14.52; author joerg; state Exp; branches 1.1.1.1; next ; commitid ow8OybrawrB1f3fx; 1.1.1.1 date 2013.11.28.14.14.52; author joerg; state Exp; branches 1.1.1.1.2.1 1.1.1.1.4.1; next 1.1.1.2; commitid ow8OybrawrB1f3fx; 1.1.1.2 date 2014.05.30.18.14.42; author joerg; state Exp; branches 1.1.1.2.2.1 1.1.1.2.4.1; next 1.1.1.3; commitid 8q0kdlBlCn09GACx; 1.1.1.3 date 2015.01.29.19.57.30; author joerg; state Exp; branches; next 1.1.1.4; commitid mlISSizlPKvepX7y; 1.1.1.4 date 2016.02.27.22.12.03; author joerg; state Exp; branches; next 1.1.1.5; commitid tIimz3oDlh1NpBWy; 1.1.1.5 date 2017.08.01.19.34.56; author joerg; state Exp; branches 1.1.1.5.2.1 1.1.1.5.4.1; next 1.1.1.6; commitid pMuDy65V0VicSx1A; 1.1.1.6 date 2018.07.17.18.31.05; author joerg; state Exp; branches; next 1.1.1.7; commitid wDzL46ALjrCZgwKA; 1.1.1.7 date 2019.11.13.22.19.25; author joerg; state dead; branches; next ; commitid QD8YATxuNG34YJKB; 1.1.1.1.2.1 date 2014.08.10.07.08.08; author tls; state Exp; branches; next ; commitid t01A1TLTYxkpGMLx; 1.1.1.1.4.1 date 2013.11.28.14.14.52; author yamt; state dead; branches; next 1.1.1.1.4.2; commitid WSrDtL5nYAUyiyBx; 1.1.1.1.4.2 date 2014.05.22.16.18.28; author yamt; state Exp; branches; next ; commitid WSrDtL5nYAUyiyBx; 1.1.1.2.2.1 date 2015.06.04.20.04.29; author snj; state Exp; branches; next ; commitid yRnjq9fueSo6n9oy; 1.1.1.2.4.1 date 2014.05.30.18.14.42; author tls; state dead; branches; next 1.1.1.2.4.2; commitid jTnpym9Qu0o4R1Nx; 1.1.1.2.4.2 date 2014.08.19.23.47.29; author tls; state Exp; branches; next ; commitid jTnpym9Qu0o4R1Nx; 1.1.1.5.2.1 date 2018.07.28.04.33.21; author pgoyette; state Exp; branches; next ; commitid 1UP1xAIUxv1ZgRLA; 1.1.1.5.4.1 date 2019.06.10.21.45.25; author christos; state Exp; branches; next 1.1.1.5.4.2; commitid jtc8rnCzWiEEHGqB; 1.1.1.5.4.2 date 2020.04.13.07.46.36; author martin; state dead; branches; next ; commitid X01YhRUPVUDaec4C; desc @@ 1.1 log @Initial revision @ text @//===--- ScratchBuffer.cpp - Scratch space for forming tokens -------------===// // // The LLVM Compiler Infrastructure // // This file is distributed under the University of Illinois Open Source // License. See LICENSE.TXT for details. // //===----------------------------------------------------------------------===// // // This file implements the ScratchBuffer interface. // //===----------------------------------------------------------------------===// #include "clang/Lex/ScratchBuffer.h" #include "clang/Basic/SourceManager.h" #include "llvm/Support/MemoryBuffer.h" #include using namespace clang; // ScratchBufSize - The size of each chunk of scratch memory. Slightly less //than a page, almost certainly enough for anything. :) static const unsigned ScratchBufSize = 4060; ScratchBuffer::ScratchBuffer(SourceManager &SM) : SourceMgr(SM), CurBuffer(0) { // Set BytesUsed so that the first call to getToken will require an alloc. BytesUsed = ScratchBufSize; } /// getToken - Splat the specified text into a temporary MemoryBuffer and /// return a SourceLocation that refers to the token. This is just like the /// method below, but returns a location that indicates the physloc of the /// token. SourceLocation ScratchBuffer::getToken(const char *Buf, unsigned Len, const char *&DestPtr) { if (BytesUsed+Len+2 > ScratchBufSize) AllocScratchBuffer(Len+2); // Prefix the token with a \n, so that it looks like it is the first thing on // its own virtual line in caret diagnostics. CurBuffer[BytesUsed++] = '\n'; // Return a pointer to the character data. DestPtr = CurBuffer+BytesUsed; // Copy the token data into the buffer. memcpy(CurBuffer+BytesUsed, Buf, Len); // Remember that we used these bytes. BytesUsed += Len+1; // Add a NUL terminator to the token. This keeps the tokens separated, in // case they get relexed, and puts them on their own virtual lines in case a // diagnostic points to one. CurBuffer[BytesUsed-1] = '\0'; return BufferStartLoc.getLocWithOffset(BytesUsed-Len-1); } void ScratchBuffer::AllocScratchBuffer(unsigned RequestLen) { // Only pay attention to the requested length if it is larger than our default // page size. If it is, we allocate an entire chunk for it. This is to // support gigantic tokens, which almost certainly won't happen. :) if (RequestLen < ScratchBufSize) RequestLen = ScratchBufSize; llvm::MemoryBuffer *Buf = llvm::MemoryBuffer::getNewMemBuffer(RequestLen, ""); FileID FID = SourceMgr.createFileIDForMemBuffer(Buf); BufferStartLoc = SourceMgr.getLocForStartOfFile(FID); CurBuffer = const_cast(Buf->getBufferStart()); BytesUsed = 1; CurBuffer[0] = '0'; // Start out with a \0 for cleanliness. } @ 1.1.1.1 log @Import Clang 3.4rc1 r195771. @ text @@ 1.1.1.1.2.1 log @Rebase. @ text @d24 1 a24 2 ScratchBuffer::ScratchBuffer(SourceManager &SM) : SourceMgr(SM), CurBuffer(nullptr) { d68 1 a68 1 FileID FID = SourceMgr.createFileID(Buf); @ 1.1.1.2 log @Import Clang 3.5svn r209886. @ text @d24 1 a24 2 ScratchBuffer::ScratchBuffer(SourceManager &SM) : SourceMgr(SM), CurBuffer(nullptr) { d68 1 a68 1 FileID FID = SourceMgr.createFileID(Buf); @ 1.1.1.2.2.1 log @Update LLVM to 3.6.1, requested by joerg in ticket 824. @ text @d67 3 a69 4 std::unique_ptr OwnBuf = llvm::MemoryBuffer::getNewMemBuffer(RequestLen, ""); llvm::MemoryBuffer &Buf = *OwnBuf; FileID FID = SourceMgr.createFileID(std::move(OwnBuf)); d71 1 a71 1 CurBuffer = const_cast(Buf.getBufferStart()); @ 1.1.1.3 log @Import Clang 3.6RC1 r227398. @ text @d67 3 a69 4 std::unique_ptr OwnBuf = llvm::MemoryBuffer::getNewMemBuffer(RequestLen, ""); llvm::MemoryBuffer &Buf = *OwnBuf; FileID FID = SourceMgr.createFileID(std::move(OwnBuf)); d71 1 a71 1 CurBuffer = const_cast(Buf.getBufferStart()); @ 1.1.1.4 log @Import Clang 3.8.0rc3 r261930. @ text @a66 2 // Get scratch buffer. Zero-initialize it so it can be dumped into a PCH file // deterministically. d73 2 a74 1 BytesUsed = 0; @ 1.1.1.5 log @Import clang r309604 from branches/release_50 @ text @a37 8 else { // Clear out the source line cache if it's already been computed. // FIXME: Allow this to be incrementally extended. auto *ContentCache = const_cast( SourceMgr.getSLocEntry(SourceMgr.getFileID(BufferStartLoc)) .getFile().getContentCache()); ContentCache->SourceLineCache = nullptr; } @ 1.1.1.5.4.1 log @Sync with HEAD @ text @d77 3 a79 4 std::unique_ptr OwnBuf = llvm::WritableMemoryBuffer::getNewMemBuffer(RequestLen, ""); CurBuffer = OwnBuf->getBufferStart(); d82 1 @ 1.1.1.5.4.2 log @Mostly merge changes from HEAD upto 20200411 @ text @@ 1.1.1.5.2.1 log @Sync with HEAD @ text @d77 3 a79 4 std::unique_ptr OwnBuf = llvm::WritableMemoryBuffer::getNewMemBuffer(RequestLen, ""); CurBuffer = OwnBuf->getBufferStart(); d82 1 @ 1.1.1.6 log @Import clang r337282 from trunk @ text @d77 3 a79 4 std::unique_ptr OwnBuf = llvm::WritableMemoryBuffer::getNewMemBuffer(RequestLen, ""); CurBuffer = OwnBuf->getBufferStart(); d82 1 @ 1.1.1.7 log @Mark old LLVM instance as dead. @ text @@ 1.1.1.2.4.1 log @file ScratchBuffer.cpp was added on branch tls-maxphys on 2014-08-19 23:47:29 +0000 @ text @d1 74 @ 1.1.1.2.4.2 log @Rebase to HEAD as of a few days ago. @ text @a0 74 //===--- ScratchBuffer.cpp - Scratch space for forming tokens -------------===// // // The LLVM Compiler Infrastructure // // This file is distributed under the University of Illinois Open Source // License. See LICENSE.TXT for details. // //===----------------------------------------------------------------------===// // // This file implements the ScratchBuffer interface. // //===----------------------------------------------------------------------===// #include "clang/Lex/ScratchBuffer.h" #include "clang/Basic/SourceManager.h" #include "llvm/Support/MemoryBuffer.h" #include using namespace clang; // ScratchBufSize - The size of each chunk of scratch memory. Slightly less //than a page, almost certainly enough for anything. :) static const unsigned ScratchBufSize = 4060; ScratchBuffer::ScratchBuffer(SourceManager &SM) : SourceMgr(SM), CurBuffer(nullptr) { // Set BytesUsed so that the first call to getToken will require an alloc. BytesUsed = ScratchBufSize; } /// getToken - Splat the specified text into a temporary MemoryBuffer and /// return a SourceLocation that refers to the token. This is just like the /// method below, but returns a location that indicates the physloc of the /// token. SourceLocation ScratchBuffer::getToken(const char *Buf, unsigned Len, const char *&DestPtr) { if (BytesUsed+Len+2 > ScratchBufSize) AllocScratchBuffer(Len+2); // Prefix the token with a \n, so that it looks like it is the first thing on // its own virtual line in caret diagnostics. CurBuffer[BytesUsed++] = '\n'; // Return a pointer to the character data. DestPtr = CurBuffer+BytesUsed; // Copy the token data into the buffer. memcpy(CurBuffer+BytesUsed, Buf, Len); // Remember that we used these bytes. BytesUsed += Len+1; // Add a NUL terminator to the token. This keeps the tokens separated, in // case they get relexed, and puts them on their own virtual lines in case a // diagnostic points to one. CurBuffer[BytesUsed-1] = '\0'; return BufferStartLoc.getLocWithOffset(BytesUsed-Len-1); } void ScratchBuffer::AllocScratchBuffer(unsigned RequestLen) { // Only pay attention to the requested length if it is larger than our default // page size. If it is, we allocate an entire chunk for it. This is to // support gigantic tokens, which almost certainly won't happen. :) if (RequestLen < ScratchBufSize) RequestLen = ScratchBufSize; llvm::MemoryBuffer *Buf = llvm::MemoryBuffer::getNewMemBuffer(RequestLen, ""); FileID FID = SourceMgr.createFileID(Buf); BufferStartLoc = SourceMgr.getLocForStartOfFile(FID); CurBuffer = const_cast(Buf->getBufferStart()); BytesUsed = 1; CurBuffer[0] = '0'; // Start out with a \0 for cleanliness. } @ 1.1.1.1.4.1 log @file ScratchBuffer.cpp was added on branch yamt-pagecache on 2014-05-22 16:18:28 +0000 @ text @d1 73 @ 1.1.1.1.4.2 log @sync with head. for a reference, the tree before this commit was tagged as yamt-pagecache-tag8. this commit was splitted into small chunks to avoid a limitation of cvs. ("Protocol error: too many arguments") @ text @a0 73 //===--- ScratchBuffer.cpp - Scratch space for forming tokens -------------===// // // The LLVM Compiler Infrastructure // // This file is distributed under the University of Illinois Open Source // License. See LICENSE.TXT for details. // //===----------------------------------------------------------------------===// // // This file implements the ScratchBuffer interface. // //===----------------------------------------------------------------------===// #include "clang/Lex/ScratchBuffer.h" #include "clang/Basic/SourceManager.h" #include "llvm/Support/MemoryBuffer.h" #include using namespace clang; // ScratchBufSize - The size of each chunk of scratch memory. Slightly less //than a page, almost certainly enough for anything. :) static const unsigned ScratchBufSize = 4060; ScratchBuffer::ScratchBuffer(SourceManager &SM) : SourceMgr(SM), CurBuffer(0) { // Set BytesUsed so that the first call to getToken will require an alloc. BytesUsed = ScratchBufSize; } /// getToken - Splat the specified text into a temporary MemoryBuffer and /// return a SourceLocation that refers to the token. This is just like the /// method below, but returns a location that indicates the physloc of the /// token. SourceLocation ScratchBuffer::getToken(const char *Buf, unsigned Len, const char *&DestPtr) { if (BytesUsed+Len+2 > ScratchBufSize) AllocScratchBuffer(Len+2); // Prefix the token with a \n, so that it looks like it is the first thing on // its own virtual line in caret diagnostics. CurBuffer[BytesUsed++] = '\n'; // Return a pointer to the character data. DestPtr = CurBuffer+BytesUsed; // Copy the token data into the buffer. memcpy(CurBuffer+BytesUsed, Buf, Len); // Remember that we used these bytes. BytesUsed += Len+1; // Add a NUL terminator to the token. This keeps the tokens separated, in // case they get relexed, and puts them on their own virtual lines in case a // diagnostic points to one. CurBuffer[BytesUsed-1] = '\0'; return BufferStartLoc.getLocWithOffset(BytesUsed-Len-1); } void ScratchBuffer::AllocScratchBuffer(unsigned RequestLen) { // Only pay attention to the requested length if it is larger than our default // page size. If it is, we allocate an entire chunk for it. This is to // support gigantic tokens, which almost certainly won't happen. :) if (RequestLen < ScratchBufSize) RequestLen = ScratchBufSize; llvm::MemoryBuffer *Buf = llvm::MemoryBuffer::getNewMemBuffer(RequestLen, ""); FileID FID = SourceMgr.createFileIDForMemBuffer(Buf); BufferStartLoc = SourceMgr.getLocForStartOfFile(FID); CurBuffer = const_cast(Buf->getBufferStart()); BytesUsed = 1; CurBuffer[0] = '0'; // Start out with a \0 for cleanliness. } @