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2c032d2797d5dc7fa6574ab935212633f320441b
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Thomas Preud'homme 2c032d2797 Regex: Make "match" and "sub" const member functions 
Summary:
The Regex "match" and "sub" member functions were previously not "const"
because they wrote to the "error" member variable. This commit removes
those assignments, and instead assumes that the validity of the regex
is already known after the initial compilation of the regular
expression. As a result, these member functions were possible to make
"const". This makes it easier to do things like pre-compile Regexes
up-front, and makes "match" and "sub" thread-safe. The error status is
now returned as an optional output, which also makes the API of "match"
and "sub" more consistent with each other.

Also, some uses of Regex that could be refactored to be const were made const.

Patch by Nicolas Guillemot

Reviewers: jankratochvil, thopre

Subscribers: llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D67241

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@372764 91177308-0d34-0410-b5e6-96231b3b80d8
2019-09-24 14:42:36 +00:00
..
Unix
[Support] Improve readNativeFile(Slice) interface
2019-08-22 08:13:30 +00:00
Windows
Win: handle \\?\UNC\ prefix in realPathFromHandle (PR43204)
2019-09-05 09:07:05 +00:00
AArch64TargetParser.cpp
[AArch64][SVE2] Rename bitperm feature to sve2-bitperm
2019-07-26 15:57:50 +00:00
ABIBreak.cpp
Move LLVM_ENABLE_ABI_BREAKING_CHECKS variables to their own file
2019-09-10 22:05:01 +00:00
Allocator.cpp
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
AMDGPUMetadata.cpp
[AMDGPU] Added a new metadata for multi grid sync implicit argument
2019-07-05 16:05:17 +00:00
APFloat.cpp
[clang] Add storage for APValue in ConstantExpr
2019-06-15 10:24:47 +00:00
APInt.cpp
Fix compile-time regression caused by rL371928
2019-09-18 18:14:42 +00:00
APSInt.cpp
Fix parameter name comments using clang-tidy. NFC.
2019-07-16 04:46:31 +00:00
ARMAttributeParser.cpp
Fix failing test on ARM buildbot
2019-06-14 13:45:21 +00:00
ARMBuildAttrs.cpp
[ARM] add target arch definitions for 8.1-M and MVE
2019-05-30 12:57:04 +00:00
ARMTargetParser.cpp
[ARM] VFPv2 only supports 16 D registers.
2019-09-17 21:42:38 +00:00
ARMWinEH.cpp
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
Atomic.cpp
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2019-01-19 08:50:56 +00:00
BinaryStreamError.cpp
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2019-01-19 08:50:56 +00:00
BinaryStreamReader.cpp
[Support] Add LEB128 support to BinaryStreamReader/Writer.
2019-04-17 15:38:27 +00:00
BinaryStreamRef.cpp
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
BinaryStreamWriter.cpp
[Support] Add LEB128 support to BinaryStreamReader/Writer.
2019-04-17 15:38:27 +00:00
BlockFrequency.cpp
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
BranchProbability.cpp
[BranchProbability] Delete a redundant overflow check
2019-06-15 10:09:59 +00:00
BuryPointer.cpp
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
CachePruning.cpp
Rename F_{None,Text,Append} to OF_{None,Text,Append}. NFC
2019-08-05 05:43:48 +00:00
Chrono.cpp
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
circular_raw_ostream.cpp
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
CMakeLists.txt
Move LLVM_ENABLE_ABI_BREAKING_CHECKS variables to their own file
2019-09-10 22:05:01 +00:00
CodeGenCoverage.cpp
[llvm] Migrate llvm::make_unique to std::make_unique
2019-08-15 15:54:37 +00:00
COM.cpp
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
CommandLine.cpp
Revert Recommit "[CommandLine] Remove OptionCategory and SubCommand caches from the Option class."
2019-07-11 08:54:28 +00:00
Compression.cpp
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2019-01-19 08:50:56 +00:00
ConvertUTF.cpp
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2019-01-19 08:50:56 +00:00
ConvertUTFWrapper.cpp
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2019-01-19 08:50:56 +00:00
COPYRIGHT.regex
…
CrashRecoveryContext.cpp
[Support] Replace sys::Mutex with their standard equivalents.
2019-08-19 19:49:57 +00:00
CRC.cpp
Attempt to recommit r357901
2019-04-08 12:31:12 +00:00
DAGDeltaAlgorithm.cpp
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
DataExtractor.cpp
Add error handling to the DataExtractor class
2019-08-27 11:24:08 +00:00
Debug.cpp
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
DebugCounter.cpp
Print out DebugCounter info with -print-debug-counter
2018-10-23 21:51:56 +00:00
DeltaAlgorithm.cpp
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
DJB.cpp
[DJB] Fix variable case after D61178
2019-04-27 15:33:22 +00:00
DynamicLibrary.cpp
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
Errno.cpp
Remove some autoconf references from docs and comments
2019-07-03 09:57:59 +00:00
Error.cpp
Move LLVM_ENABLE_ABI_BREAKING_CHECKS variables to their own file
2019-09-10 22:05:01 +00:00
ErrorHandling.cpp
[Support] Move the static initializer install_out_memory_new_handler to InitLLVM
2019-07-12 16:23:25 +00:00
FileCheck.cpp
Regex: Make "match" and "sub" const member functions
2019-09-24 14:42:36 +00:00
FileCollector.cpp
Rename F_{None,Text,Append} to OF_{None,Text,Append}. NFC
2019-08-05 05:43:48 +00:00
FileOutputBuffer.cpp
[llvm] Migrate llvm::make_unique to std::make_unique
2019-08-15 15:54:37 +00:00
FileUtilities.cpp
Revert "r372201: [Support] Replace function with function_ref in writeFileAtomically. NFC"
2019-09-18 08:47:09 +00:00
FoldingSet.cpp
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
FormattedStream.cpp
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2019-01-19 08:50:56 +00:00
FormatVariadic.cpp
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2019-01-19 08:50:56 +00:00
GlobPattern.cpp
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2019-01-19 08:50:56 +00:00
GraphWriter.cpp
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2019-01-19 08:50:56 +00:00
Hashing.cpp
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2019-01-19 08:50:56 +00:00
Host.cpp
[SystemZ] Support z15 processor name
2019-09-20 23:04:45 +00:00
InitLLVM.cpp
[Support] Move the static initializer install_out_memory_new_handler to InitLLVM
2019-07-12 16:23:25 +00:00
IntEqClasses.cpp
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
IntervalMap.cpp
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2019-01-19 08:50:56 +00:00
ItaniumManglingCanonicalizer.cpp
Update more file headers across all of the LLVM projects in the monorepo
2019-01-19 10:56:40 +00:00
JamCRC.cpp
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
JSON.cpp
[llvm] Migrate llvm::make_unique to std::make_unique
2019-08-15 15:54:37 +00:00
KnownBits.cpp
[KnownBits] Add computeForAddCarry()
2019-04-12 18:18:08 +00:00
LEB128.cpp
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
LineIterator.cpp
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2019-01-19 08:50:56 +00:00
LLVMBuild.txt
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2019-01-19 08:50:56 +00:00
Locale.cpp
[Windows] Convert from UTF-8 to UTF-16 when writing to a Windows console
2018-09-05 00:08:56 +00:00
LockFileManager.cpp
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
LowLevelType.cpp
Fix parameter name comments using clang-tidy. NFC.
2019-07-16 04:46:31 +00:00
ManagedStatic.cpp
[Support] Replace sys::Mutex with their standard equivalents.
2019-08-19 19:49:57 +00:00
MathExtras.cpp
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
MD5.cpp
Remove \brief commands from doxygen comments.
2018-05-01 15:54:18 +00:00
Memory.cpp
[Support] Renamed member 'Size' to 'AllocatedSize' in MemoryBlock and OwningMemoryBlock.
2019-05-20 20:53:05 +00:00
MemoryBuffer.cpp
[Support] Improve readNativeFile(Slice) interface
2019-08-22 08:13:30 +00:00
NativeFormatting.cpp
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
Optional.cpp
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2019-01-19 08:50:56 +00:00
Options.cpp
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2019-01-19 08:50:56 +00:00
Parallel.cpp
Parallel: only allow the first TaskGroup to run tasks parallelly
2019-04-25 11:33:30 +00:00
Path.cpp
[Path] Fix bug in make_absolute logic
2019-08-06 15:46:45 +00:00
PluginLoader.cpp
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
PrettyStackTrace.cpp
Make GCC happy about attribute location
2019-07-25 16:58:15 +00:00
Process.cpp
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
Program.cpp
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2019-01-19 08:50:56 +00:00
RandomNumberGenerator.cpp
[CommandLine] Provide parser<unsigned long> instantiation to allow cl::opt<uint64_t> on LP64 platforms
2019-04-24 02:40:20 +00:00
raw_os_ostream.cpp
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
raw_ostream.cpp
Revert "raw_ostream: add operator<< overload for std::error_code"
2019-08-14 13:59:04 +00:00
regcomp.c
Allow Compiler.h to be included in C files and fix fallthrough warnings
2019-08-23 17:25:21 +00:00
regengine.inc
[ADT] Replace std::isprint by llvm::isPrint.
2018-07-26 15:31:41 +00:00
regerror.c
More MSVC warning fixes:
2009-09-06 12:26:28 +00:00
regex2.h
Support/reg*.h: Make headers include their dependencies
2017-10-26 20:23:11 +00:00
regex_impl.h
Remove trailing space
2018-07-30 19:41:25 +00:00
Regex.cpp
Regex: Make "match" and "sub" const member functions
2019-09-24 14:42:36 +00:00
regexec.c
Fix integer undefined behavior due to signed left shift overflow in LLVM.
2012-08-24 23:29:28 +00:00
regfree.c
…
regstrlcpy.c
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regutils.h
adding re-include guards into lib/Support/reg*.h
2014-06-12 16:07:56 +00:00
RWMutex.cpp
[RWMutex] Simplify availability check
2019-08-16 21:25:40 +00:00
ScaledNumber.cpp
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
ScopedPrinter.cpp
Remove redundant includes from lib/Support.
2017-12-13 21:30:58 +00:00
SHA1.cpp
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
Signals.cpp
Only use argv[0] as the main executable name if it exists.
2019-04-15 22:07:56 +00:00
Signposts.cpp
[Support] Fix Wundef warning
2019-08-15 10:05:22 +00:00
SmallPtrSet.cpp
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
SmallVector.cpp
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
SourceMgr.cpp
Simplify std::lower_bound with llvm::{bsearch,lower_bound}. NFC
2019-06-21 05:40:31 +00:00
SpecialCaseList.cpp
[llvm] Migrate llvm::make_unique to std::make_unique
2019-08-15 15:54:37 +00:00
Statistic.cpp
Use llvm::stable_sort
2019-04-23 14:51:27 +00:00
StringExtras.cpp
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
StringMap.cpp
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2019-01-19 08:50:56 +00:00
StringPool.cpp
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
StringRef.cpp
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
StringSaver.cpp
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
SymbolRemappingReader.cpp
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2019-01-19 08:50:56 +00:00
SystemUtils.cpp
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2019-01-19 08:50:56 +00:00
TargetParser.cpp
[AMDGPU] gfx908 target
2019-07-09 18:10:06 +00:00
TargetRegistry.cpp
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
TarWriter.cpp
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
Threading.cpp
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2019-01-19 08:50:56 +00:00
ThreadLocal.cpp
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2019-01-19 08:50:56 +00:00
ThreadPool.cpp
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
TimeProfiler.cpp
Fix time-trace breaking flame graph assumptions
2019-09-05 09:26:04 +00:00
Timer.cpp
[llvm] Migrate llvm::make_unique to std::make_unique
2019-08-15 15:54:37 +00:00
ToolOutputFile.cpp
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
TrigramIndex.cpp
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2019-01-19 08:50:56 +00:00
Triple.cpp
[triple] Use 'macabi' environment name for the Mac Catalyst triples
2019-07-03 01:02:43 +00:00
Twine.cpp
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
Unicode.cpp
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2019-01-19 08:50:56 +00:00
UnicodeCaseFold.cpp
Resubmit r325107 (case folding DJB hash)
2018-02-21 22:36:31 +00:00
Valgrind.cpp
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
VersionTuple.cpp
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2019-01-19 08:50:56 +00:00
VirtualFileSystem.cpp
[Reproducer] Add reproducer dump command.
2019-09-13 23:27:31 +00:00
Watchdog.cpp
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
WithColor.cpp
Revert r367649: Improve raw_ostream so that you can "write" colors using operator<<
2019-08-02 07:22:34 +00:00
xxhash.cpp
Make ICF log output order deterministic.
2018-07-31 18:04:58 +00:00
YAMLParser.cpp
Update the file headers across all of the LLVM projects in the monorepo
2019-01-19 08:50:56 +00:00
YAMLTraits.cpp
[yaml2obj][obj2yaml] - Use a single "Other" field instead of "Other", "Visibility" and "StOther".
2019-08-30 13:39:22 +00:00
Z3Solver.cpp
[llvm] Migrate llvm::make_unique to std::make_unique
2019-08-15 15:54:37 +00:00