1 files changed, 0 insertions, 155 deletions

diff --git a/contrib/llvm/lib/Support/FormatVariadic.cpp b/contrib/llvm/lib/Support/FormatVariadic.cpp
deleted file mode 100644
index f9e89f69b528..000000000000
--- a/contrib/llvm/lib/Support/FormatVariadic.cpp
+++ /dev/null
@@ -1,155 +0,0 @@
-//===- 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"
-
-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());
-}
-
-std::vector<ReplacementItem>
-formatv_object_base::parseFormatString(StringRef Fmt) {
-  std::vector<ReplacementItem> 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() { }