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📄 AArch64TargetParser.cpp(8 KB)
📄 ABIBreak.cpp(811 B)
📄 AMDGPUMetadata.cpp(9.37 KB)
📄 APFloat.cpp(155.26 KB)
📄 APInt.cpp(98.08 KB)
📄 APSInt.cpp(1.44 KB)
📄 ARMAttributeParser.cpp(13.94 KB)
📄 ARMBuildAttrs.cpp(3.45 KB)
📄 ARMTargetParser.cpp(18.09 KB)
📄 ARMWinEH.cpp(1.08 KB)
📄 Allocator.cpp(1.35 KB)
📄 Atomic.cpp(1.6 KB)
📄 BinaryStreamError.cpp(1.76 KB)
📄 BinaryStreamReader.cpp(5.24 KB)
📄 BinaryStreamRef.cpp(4.76 KB)
📄 BinaryStreamWriter.cpp(3.36 KB)
📄 BlockFrequency.cpp(2.12 KB)
📄 BranchProbability.cpp(3.44 KB)
📄 BuryPointer.cpp(1.11 KB)
📄 COM.cpp(737 B)
📄 COPYRIGHT.regex(2.65 KB)
📄 CRC.cpp(5.23 KB)
📄 CachePruning.cpp(10.33 KB)
📄 Chrono.cpp(3.17 KB)
📄 CodeGenCoverage.cpp(3.61 KB)
📄 CommandLine.cpp(89.06 KB)
📄 Compression.cpp(3.84 KB)
📄 ConvertUTF.cpp(27.27 KB)
📄 ConvertUTFWrapper.cpp(8.66 KB)
📄 CrashRecoveryContext.cpp(15.45 KB)
📄 DAGDeltaAlgorithm.cpp(12.47 KB)
📄 DJB.cpp(2.71 KB)
📄 DataExtractor.cpp(7.25 KB)
📄 Debug.cpp(5.64 KB)
📄 DebugCounter.cpp(4.95 KB)
📄 DeltaAlgorithm.cpp(3.41 KB)
📄 DynamicLibrary.cpp(6.25 KB)
📄 ELFAttributeParser.cpp(7.27 KB)
📄 ELFAttributes.cpp(1.27 KB)
📄 Errno.cpp(2.18 KB)
📄 Error.cpp(4.72 KB)
📄 ErrorHandling.cpp(11.08 KB)
📄 ExtensibleRTTI.cpp(446 B)
📄 FileCheck.cpp(95.77 KB)
📄 FileCheckImpl.h(34.14 KB)
📄 FileCollector.cpp(9.01 KB)
📄 FileOutputBuffer.cpp(6.62 KB)
📄 FileUtilities.cpp(10.81 KB)
📄 FoldingSet.cpp(15.89 KB)
📄 FormatVariadic.cpp(5.17 KB)
📄 FormattedStream.cpp(5.29 KB)
📄 GlobPattern.cpp(5 KB)
📄 GraphWriter.cpp(9.21 KB)
📄 Hashing.cpp(1.16 KB)
📄 Host.cpp(51.63 KB)
📄 InitLLVM.cpp(1.92 KB)
📄 IntEqClasses.cpp(2.18 KB)
📄 IntervalMap.cpp(4.4 KB)
📄 ItaniumManglingCanonicalizer.cpp(10.77 KB)
📄 JSON.cpp(19.1 KB)
📄 KnownBits.cpp(3.78 KB)
📄 LEB128.cpp(1.19 KB)
📄 LineIterator.cpp(2.61 KB)
📄 Locale.cpp(377 B)
📄 LockFileManager.cpp(10.64 KB)
📄 LowLevelType.cpp(2.09 KB)
📄 MD5.cpp(8.99 KB)
📄 ManagedStatic.cpp(2.37 KB)
📄 MathExtras.cpp(913 B)
📄 MemAlloc.cpp(1.01 KB)
📄 Memory.cpp(1.57 KB)
📄 MemoryBuffer.cpp(18.99 KB)
📄 NativeFormatting.cpp(7.54 KB)
📄 OptimizedStructLayout.cpp(16.7 KB)
📄 Optional.cpp(530 B)
📄 Parallel.cpp(5.08 KB)
📄 Path.cpp(36.52 KB)
📄 PluginLoader.cpp(1.63 KB)
📄 PrettyStackTrace.cpp(10.33 KB)
📄 Process.cpp(3.27 KB)
📄 Program.cpp(3.54 KB)
📄 RISCVAttributeParser.cpp(2.06 KB)
📄 RISCVAttributes.cpp(970 B)
📄 RWMutex.cpp(3.23 KB)
📄 RandomNumberGenerator.cpp(2.86 KB)
📄 Regex.cpp(6.38 KB)
📄 SHA1.cpp(10.43 KB)
📄 ScaledNumber.cpp(9.09 KB)
📄 ScopedPrinter.cpp(1.19 KB)
📄 Signals.cpp(8.35 KB)
📄 Signposts.cpp(3.24 KB)
📄 SmallPtrSet.cpp(9.21 KB)
📄 SmallVector.cpp(3.99 KB)
📄 SourceMgr.cpp(20.08 KB)
📄 SpecialCaseList.cpp(7.48 KB)
📄 Statistic.cpp(8.85 KB)
📄 StringExtras.cpp(4.34 KB)
📄 StringMap.cpp(9.31 KB)
📄 StringRef.cpp(17.41 KB)
📄 StringSaver.cpp(882 B)
📄 SuffixTree.cpp(7.23 KB)
📄 SymbolRemappingReader.cpp(2.94 KB)
📄 SystemUtils.cpp(1.06 KB)
📄 TarWriter.cpp(7.23 KB)
📄 TargetParser.cpp(9.86 KB)
📄 TargetRegistry.cpp(4.6 KB)
📄 ThreadLocal.cpp(1.68 KB)
📄 ThreadPool.cpp(4.4 KB)
📄 Threading.cpp(4.55 KB)
📄 TimeProfiler.cpp(11.63 KB)
📄 Timer.cpp(14.14 KB)
📄 ToolOutputFile.cpp(1.83 KB)
📄 TrigramIndex.cpp(3.24 KB)
📄 Triple.cpp(53.17 KB)
📄 Twine.cpp(4.6 KB)
📄 Unicode.cpp(20.14 KB)
📄 UnicodeCaseFold.cpp(15.32 KB)
📁 Unix
📄 Valgrind.cpp(1.6 KB)
📄 VersionTuple.cpp(2.74 KB)
📄 VirtualFileSystem.cpp(74.17 KB)
📄 Watchdog.cpp(738 B)
📁 Windows
📄 WithColor.cpp(4.35 KB)
📄 X86TargetParser.cpp(27.21 KB)
📄 YAMLParser.cpp(68.53 KB)
📄 YAMLTraits.cpp(28.37 KB)
📄 Z3Solver.cpp(31.44 KB)
📄 circular_raw_ostream.cpp(1.3 KB)
📄 raw_os_ostream.cpp(995 B)
📄 raw_ostream.cpp(28.97 KB)
📄 regcomp.c(39.42 KB)
📄 regengine.inc(26.49 KB)
📄 regerror.c(4.42 KB)
📄 regex2.h(6.82 KB)
📄 regex_impl.h(3.63 KB)
📄 regexec.c(5.71 KB)
📄 regfree.c(2.49 KB)
📄 regstrlcpy.c(1.56 KB)
📄 regutils.h(2.25 KB)
📄 xxhash.cpp(4.07 KB)

Editing: FormatVariadic.cpp

//===- FormatVariadic.cpp - Format string parsing and analysis ----*-C++-*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//===----------------------------------------------------------------------===//

#include "llvm/Support/FormatVariadic.h"
#include <cassert>

using namespace llvm;

static Optional<AlignStyle> translateLocChar(char C) {
  switch (C) {
  case '-':
    return AlignStyle::Left;
  case '=':
    return AlignStyle::Center;
  case '+':
    return AlignStyle::Right;
  default:
    return None;
  }
  LLVM_BUILTIN_UNREACHABLE;
}

bool formatv_object_base::consumeFieldLayout(StringRef &Spec, AlignStyle &Where,
                                             size_t &Align, char &Pad) {
  Where = AlignStyle::Right;
  Align = 0;
  Pad = ' ';
  if (Spec.empty())
    return true;

if (Spec.size() > 1) {
    // A maximum of 2 characters at the beginning can be used for something
    // other
    // than the width.
    // If Spec[1] is a loc char, then Spec[0] is a pad char and Spec[2:...]
    // contains the width.
    // Otherwise, if Spec[0] is a loc char, then Spec[1:...] contains the width.
    // Otherwise, Spec[0:...] contains the width.
    if (auto Loc = translateLocChar(Spec[1])) {
      Pad = Spec[0];
      Where = *Loc;
      Spec = Spec.drop_front(2);
    } else if (auto Loc = translateLocChar(Spec[0])) {
      Where = *Loc;
      Spec = Spec.drop_front(1);
    }
  }

bool Failed = Spec.consumeInteger(0, Align);
  return !Failed;
}

Optional<ReplacementItem>
formatv_object_base::parseReplacementItem(StringRef Spec) {
  StringRef RepString = Spec.trim("{}");

// If the replacement sequence does not start with a non-negative integer,
  // this is an error.
  char Pad = ' ';
  std::size_t Align = 0;
  AlignStyle Where = AlignStyle::Right;
  StringRef Options;
  size_t Index = 0;
  RepString = RepString.trim();
  if (RepString.consumeInteger(0, Index)) {
    assert(false && "Invalid replacement sequence index!");
    return ReplacementItem{};
  }
  RepString = RepString.trim();
  if (!RepString.empty() && RepString.front() == ',') {
    RepString = RepString.drop_front();
    if (!consumeFieldLayout(RepString, Where, Align, Pad))
      assert(false && "Invalid replacement field layout specification!");
  }
  RepString = RepString.trim();
  if (!RepString.empty() && RepString.front() == ':') {
    Options = RepString.drop_front().trim();
    RepString = StringRef();
  }
  RepString = RepString.trim();
  if (!RepString.empty()) {
    assert(false && "Unexpected characters found in replacement string!");
  }

return ReplacementItem{Spec, Index, Align, Where, Pad, Options};
}

std::pair<ReplacementItem, StringRef>
formatv_object_base::splitLiteralAndReplacement(StringRef Fmt) {
  std::size_t From = 0;
  while (From < Fmt.size() && From != StringRef::npos) {
    std::size_t BO = Fmt.find_first_of('{', From);
    // Everything up until the first brace is a literal.
    if (BO != 0)
      return std::make_pair(ReplacementItem{Fmt.substr(0, BO)}, Fmt.substr(BO));

StringRef Braces =
        Fmt.drop_front(BO).take_while([](char C) { return C == '{'; });
    // If there is more than one brace, then some of them are escaped.  Treat
    // these as replacements.
    if (Braces.size() > 1) {
      size_t NumEscapedBraces = Braces.size() / 2;
      StringRef Middle = Fmt.substr(BO, NumEscapedBraces);
      StringRef Right = Fmt.drop_front(BO + NumEscapedBraces * 2);
      return std::make_pair(ReplacementItem{Middle}, Right);
    }
    // An unterminated open brace is undefined.  We treat the rest of the string
    // as a literal replacement, but we assert to indicate that this is
    // undefined and that we consider it an error.
    std::size_t BC = Fmt.find_first_of('}', BO);
    if (BC == StringRef::npos) {
      assert(
          false &&
          "Unterminated brace sequence.  Escape with {{ for a literal brace.");
      return std::make_pair(ReplacementItem{Fmt}, StringRef());
    }

// Even if there is a closing brace, if there is another open brace before
    // this closing brace, treat this portion as literal, and try again with the
    // next one.
    std::size_t BO2 = Fmt.find_first_of('{', BO + 1);
    if (BO2 < BC)
      return std::make_pair(ReplacementItem{Fmt.substr(0, BO2)},
                            Fmt.substr(BO2));

StringRef Spec = Fmt.slice(BO + 1, BC);
    StringRef Right = Fmt.substr(BC + 1);

auto RI = parseReplacementItem(Spec);
    if (RI.hasValue())
      return std::make_pair(*RI, Right);

// If there was an error parsing the replacement item, treat it as an
    // invalid replacement spec, and just continue.
    From = BC + 1;
  }
  return std::make_pair(ReplacementItem{Fmt}, StringRef());
}

SmallVector<ReplacementItem, 2>
formatv_object_base::parseFormatString(StringRef Fmt) {
  SmallVector<ReplacementItem, 2> Replacements;
  ReplacementItem I;
  while (!Fmt.empty()) {
    std::tie(I, Fmt) = splitLiteralAndReplacement(Fmt);
    if (I.Type != ReplacementType::Empty)
      Replacements.push_back(I);
  }
  return Replacements;
}

void detail::format_adapter::anchor() { }

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Editing: FormatVariadic.cpp

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