Remove LLVM 8.0.1 files.

1 files changed, 0 insertions, 1212 deletions

diff --git a/gnu/llvm/tools/clang/lib/Format/UnwrappedLineFormatter.cpp b/gnu/llvm/tools/clang/lib/Format/UnwrappedLineFormatter.cpp
deleted file mode 100644
index 6b6a9aff461..00000000000
--- a/gnu/llvm/tools/clang/lib/Format/UnwrappedLineFormatter.cpp
+++ /dev/null
@@ -1,1212 +0,0 @@
-//===--- UnwrappedLineFormatter.cpp - Format C++ code ---------------------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-
-#include "NamespaceEndCommentsFixer.h"
-#include "UnwrappedLineFormatter.h"
-#include "WhitespaceManager.h"
-#include "llvm/Support/Debug.h"
-#include <queue>
-
-#define DEBUG_TYPE "format-formatter"
-
-namespace clang {
-namespace format {
-
-namespace {
-
-bool startsExternCBlock(const AnnotatedLine &Line) {
-  const FormatToken *Next = Line.First->getNextNonComment();
-  const FormatToken *NextNext = Next ? Next->getNextNonComment() : nullptr;
-  return Line.startsWith(tok::kw_extern) && Next && Next->isStringLiteral() &&
-         NextNext && NextNext->is(tok::l_brace);
-}
-
-/// Tracks the indent level of \c AnnotatedLines across levels.
-///
-/// \c nextLine must be called for each \c AnnotatedLine, after which \c
-/// getIndent() will return the indent for the last line \c nextLine was called
-/// with.
-/// If the line is not formatted (and thus the indent does not change), calling
-/// \c adjustToUnmodifiedLine after the call to \c nextLine will cause
-/// subsequent lines on the same level to be indented at the same level as the
-/// given line.
-class LevelIndentTracker {
-public:
-  LevelIndentTracker(const FormatStyle &Style,
-                     const AdditionalKeywords &Keywords, unsigned StartLevel,
-                     int AdditionalIndent)
-      : Style(Style), Keywords(Keywords), AdditionalIndent(AdditionalIndent) {
-    for (unsigned i = 0; i != StartLevel; ++i)
-      IndentForLevel.push_back(Style.IndentWidth * i + AdditionalIndent);
-  }
-
-  /// Returns the indent for the current line.
-  unsigned getIndent() const { return Indent; }
-
-  /// Update the indent state given that \p Line is going to be formatted
-  /// next.
-  void nextLine(const AnnotatedLine &Line) {
-    Offset = getIndentOffset(*Line.First);
-    // Update the indent level cache size so that we can rely on it
-    // having the right size in adjustToUnmodifiedline.
-    while (IndentForLevel.size() <= Line.Level)
-      IndentForLevel.push_back(-1);
-    if (Line.InPPDirective) {
-      Indent = Line.Level * Style.IndentWidth + AdditionalIndent;
-    } else {
-      IndentForLevel.resize(Line.Level + 1);
-      Indent = getIndent(IndentForLevel, Line.Level);
-    }
-    if (static_cast<int>(Indent) + Offset >= 0)
-      Indent += Offset;
-  }
-
-  /// Update the indent state given that \p Line indent should be
-  /// skipped.
-  void skipLine(const AnnotatedLine &Line) {
-    while (IndentForLevel.size() <= Line.Level)
-      IndentForLevel.push_back(Indent);
-  }
-
-  /// Update the level indent to adapt to the given \p Line.
-  ///
-  /// When a line is not formatted, we move the subsequent lines on the same
-  /// level to the same indent.
-  /// Note that \c nextLine must have been called before this method.
-  void adjustToUnmodifiedLine(const AnnotatedLine &Line) {
-    unsigned LevelIndent = Line.First->OriginalColumn;
-    if (static_cast<int>(LevelIndent) - Offset >= 0)
-      LevelIndent -= Offset;
-    if ((!Line.First->is(tok::comment) || IndentForLevel[Line.Level] == -1) &&
-        !Line.InPPDirective)
-      IndentForLevel[Line.Level] = LevelIndent;
-  }
-
-private:
-  /// Get the offset of the line relatively to the level.
-  ///
-  /// For example, 'public:' labels in classes are offset by 1 or 2
-  /// characters to the left from their level.
-  int getIndentOffset(const FormatToken &RootToken) {
-    if (Style.Language == FormatStyle::LK_Java ||
-        Style.Language == FormatStyle::LK_JavaScript)
-      return 0;
-    if (RootToken.isAccessSpecifier(false) ||
-        RootToken.isObjCAccessSpecifier() ||
-        (RootToken.isOneOf(Keywords.kw_signals, Keywords.kw_qsignals) &&
-         RootToken.Next && RootToken.Next->is(tok::colon)))
-      return Style.AccessModifierOffset;
-    return 0;
-  }
-
-  /// Get the indent of \p Level from \p IndentForLevel.
-  ///
-  /// \p IndentForLevel must contain the indent for the level \c l
-  /// at \p IndentForLevel[l], or a value < 0 if the indent for
-  /// that level is unknown.
-  unsigned getIndent(ArrayRef<int> IndentForLevel, unsigned Level) {
-    if (IndentForLevel[Level] != -1)
-      return IndentForLevel[Level];
-    if (Level == 0)
-      return 0;
-    return getIndent(IndentForLevel, Level - 1) + Style.IndentWidth;
-  }
-
-  const FormatStyle &Style;
-  const AdditionalKeywords &Keywords;
-  const unsigned AdditionalIndent;
-
-  /// The indent in characters for each level.
-  std::vector<int> IndentForLevel;
-
-  /// Offset of the current line relative to the indent level.
-  ///
-  /// For example, the 'public' keywords is often indented with a negative
-  /// offset.
-  int Offset = 0;
-
-  /// The current line's indent.
-  unsigned Indent = 0;
-};
-
-bool isNamespaceDeclaration(const AnnotatedLine *Line) {
-  const FormatToken *NamespaceTok = Line->First;
-  return NamespaceTok && NamespaceTok->getNamespaceToken();
-}
-
-bool isEndOfNamespace(const AnnotatedLine *Line,
-                      const SmallVectorImpl<AnnotatedLine *> &AnnotatedLines) {
-  if (!Line->startsWith(tok::r_brace))
-    return false;
-  size_t StartLineIndex = Line->MatchingOpeningBlockLineIndex;
-  if (StartLineIndex == UnwrappedLine::kInvalidIndex)
-    return false;
-  assert(StartLineIndex < AnnotatedLines.size());
-  return isNamespaceDeclaration(AnnotatedLines[StartLineIndex]);
-}
-
-class LineJoiner {
-public:
-  LineJoiner(const FormatStyle &Style, const AdditionalKeywords &Keywords,
-             const SmallVectorImpl<AnnotatedLine *> &Lines)
-      : Style(Style), Keywords(Keywords), End(Lines.end()), Next(Lines.begin()),
-        AnnotatedLines(Lines) {}
-
-  /// Returns the next line, merging multiple lines into one if possible.
-  const AnnotatedLine *getNextMergedLine(bool DryRun,
-                                         LevelIndentTracker &IndentTracker) {
-    if (Next == End)
-      return nullptr;
-    const AnnotatedLine *Current = *Next;
-    IndentTracker.nextLine(*Current);
-    unsigned MergedLines = tryFitMultipleLinesInOne(IndentTracker, Next, End);
-    if (MergedLines > 0 && Style.ColumnLimit == 0)
-      // Disallow line merging if there is a break at the start of one of the
-      // input lines.
-      for (unsigned i = 0; i < MergedLines; ++i)
-        if (Next[i + 1]->First->NewlinesBefore > 0)
-          MergedLines = 0;
-    if (!DryRun)
-      for (unsigned i = 0; i < MergedLines; ++i)
-        join(*Next[0], *Next[i + 1]);
-    Next = Next + MergedLines + 1;
-    return Current;
-  }
-
-private:
-  /// Calculates how many lines can be merged into 1 starting at \p I.
-  unsigned
-  tryFitMultipleLinesInOne(LevelIndentTracker &IndentTracker,
-                           SmallVectorImpl<AnnotatedLine *>::const_iterator I,
-                           SmallVectorImpl<AnnotatedLine *>::const_iterator E) {
-    const unsigned Indent = IndentTracker.getIndent();
-
-    // Can't join the last line with anything.
-    if (I + 1 == E)
-      return 0;
-    // We can never merge stuff if there are trailing line comments.
-    const AnnotatedLine *TheLine = *I;
-    if (TheLine->Last->is(TT_LineComment))
-      return 0;
-    if (I[1]->Type == LT_Invalid || I[1]->First->MustBreakBefore)
-      return 0;
-    if (TheLine->InPPDirective &&
-        (!I[1]->InPPDirective || I[1]->First->HasUnescapedNewline))
-      return 0;
-
-    if (Style.ColumnLimit > 0 && Indent > Style.ColumnLimit)
-      return 0;
-
-    unsigned Limit =
-        Style.ColumnLimit == 0 ? UINT_MAX : Style.ColumnLimit - Indent;
-    // If we already exceed the column limit, we set 'Limit' to 0. The different
-    // tryMerge..() functions can then decide whether to still do merging.
-    Limit = TheLine->Last->TotalLength > Limit
-                ? 0
-                : Limit - TheLine->Last->TotalLength;
-
-    if (TheLine->Last->is(TT_FunctionLBrace) &&
-        TheLine->First == TheLine->Last &&
-        !Style.BraceWrapping.SplitEmptyFunction &&
-        I[1]->First->is(tok::r_brace))
-      return tryMergeSimpleBlock(I, E, Limit);
-
-    // Handle empty record blocks where the brace has already been wrapped
-    if (TheLine->Last->is(tok::l_brace) && TheLine->First == TheLine->Last &&
-        I != AnnotatedLines.begin()) {
-      bool EmptyBlock = I[1]->First->is(tok::r_brace);
-
-      const FormatToken *Tok = I[-1]->First;
-      if (Tok && Tok->is(tok::comment))
-        Tok = Tok->getNextNonComment();
-
-      if (Tok && Tok->getNamespaceToken())
-        return !Style.BraceWrapping.SplitEmptyNamespace && EmptyBlock
-                   ? tryMergeSimpleBlock(I, E, Limit)
-                   : 0;
-
-      if (Tok && Tok->is(tok::kw_typedef))
-        Tok = Tok->getNextNonComment();
-      if (Tok && Tok->isOneOf(tok::kw_class, tok::kw_struct, tok::kw_union,
-                              tok::kw_extern, Keywords.kw_interface))
-        return !Style.BraceWrapping.SplitEmptyRecord && EmptyBlock
-                   ? tryMergeSimpleBlock(I, E, Limit)
-                   : 0;
-    }
-
-    // FIXME: TheLine->Level != 0 might or might not be the right check to do.
-    // If necessary, change to something smarter.
-    bool MergeShortFunctions =
-        Style.AllowShortFunctionsOnASingleLine == FormatStyle::SFS_All ||
-        (Style.AllowShortFunctionsOnASingleLine >= FormatStyle::SFS_Empty &&
-         I[1]->First->is(tok::r_brace)) ||
-        (Style.AllowShortFunctionsOnASingleLine & FormatStyle::SFS_InlineOnly &&
-         TheLine->Level != 0);
-
-    if (Style.CompactNamespaces) {
-      if (isNamespaceDeclaration(TheLine)) {
-        int i = 0;
-        unsigned closingLine = TheLine->MatchingClosingBlockLineIndex - 1;
-        for (; I + 1 + i != E && isNamespaceDeclaration(I[i + 1]) &&
-               closingLine == I[i + 1]->MatchingClosingBlockLineIndex &&
-               I[i + 1]->Last->TotalLength < Limit;
-             i++, closingLine--) {
-          // No extra indent for compacted namespaces
-          IndentTracker.skipLine(*I[i + 1]);
-
-          Limit -= I[i + 1]->Last->TotalLength;
-        }
-        return i;
-      }
-
-      if (isEndOfNamespace(TheLine, AnnotatedLines)) {
-        int i = 0;
-        unsigned openingLine = TheLine->MatchingOpeningBlockLineIndex - 1;
-        for (; I + 1 + i != E && isEndOfNamespace(I[i + 1], AnnotatedLines) &&
-               openingLine == I[i + 1]->MatchingOpeningBlockLineIndex;
-             i++, openingLine--) {
-          // No space between consecutive braces
-          I[i + 1]->First->SpacesRequiredBefore = !I[i]->Last->is(tok::r_brace);
-
-          // Indent like the outer-most namespace
-          IndentTracker.nextLine(*I[i + 1]);
-        }
-        return i;
-      }
-    }
-
-    // Try to merge a function block with left brace unwrapped
-    if (TheLine->Last->is(TT_FunctionLBrace) &&
-        TheLine->First != TheLine->Last) {
-      return MergeShortFunctions ? tryMergeSimpleBlock(I, E, Limit) : 0;
-    }
-    // Try to merge a control statement block with left brace unwrapped
-    if (TheLine->Last->is(tok::l_brace) && TheLine->First != TheLine->Last &&
-        TheLine->First->isOneOf(tok::kw_if, tok::kw_while, tok::kw_for)) {
-      return Style.AllowShortBlocksOnASingleLine
-                 ? tryMergeSimpleBlock(I, E, Limit)
-                 : 0;
-    }
-    // Try to merge a control statement block with left brace wrapped
-    if (I[1]->First->is(tok::l_brace) &&
-        TheLine->First->isOneOf(tok::kw_if, tok::kw_while, tok::kw_for)) {
-      return Style.BraceWrapping.AfterControlStatement
-                 ? tryMergeSimpleBlock(I, E, Limit)
-                 : 0;
-    }
-    // Try to merge either empty or one-line block if is precedeed by control
-    // statement token
-    if (TheLine->First->is(tok::l_brace) && TheLine->First == TheLine->Last &&
-        I != AnnotatedLines.begin() &&
-        I[-1]->First->isOneOf(tok::kw_if, tok::kw_while, tok::kw_for)) {
-      unsigned MergedLines = 0;
-      if (Style.AllowShortBlocksOnASingleLine) {
-        MergedLines = tryMergeSimpleBlock(I - 1, E, Limit);
-        // If we managed to merge the block, discard the first merged line
-        // since we are merging starting from I.
-        if (MergedLines > 0)
-          --MergedLines;
-      }
-      return MergedLines;
-    }
-    // Don't merge block with left brace wrapped after ObjC special blocks
-    if (TheLine->First->is(tok::l_brace) && I != AnnotatedLines.begin() &&
-        I[-1]->First->is(tok::at) && I[-1]->First->Next) {
-      tok::ObjCKeywordKind kwId = I[-1]->First->Next->Tok.getObjCKeywordID();
-      if (kwId == clang::tok::objc_autoreleasepool ||
-          kwId == clang::tok::objc_synchronized)
-        return 0;
-    }
-    // Don't merge block with left brace wrapped after case labels
-    if (TheLine->First->is(tok::l_brace) && I != AnnotatedLines.begin() &&
-        I[-1]->First->isOneOf(tok::kw_case, tok::kw_default))
-      return 0;
-    // Try to merge a block with left brace wrapped that wasn't yet covered
-    if (TheLine->Last->is(tok::l_brace)) {
-      return !Style.BraceWrapping.AfterFunction ||
-                     (I[1]->First->is(tok::r_brace) &&
-                      !Style.BraceWrapping.SplitEmptyRecord)
-                 ? tryMergeSimpleBlock(I, E, Limit)
-                 : 0;
-    }
-    // Try to merge a function block with left brace wrapped
-    if (I[1]->First->is(TT_FunctionLBrace) &&
-        Style.BraceWrapping.AfterFunction) {
-      if (I[1]->Last->is(TT_LineComment))
-        return 0;
-
-      // Check for Limit <= 2 to account for the " {".
-      if (Limit <= 2 || (Style.ColumnLimit == 0 && containsMustBreak(TheLine)))
-        return 0;
-      Limit -= 2;
-
-      unsigned MergedLines = 0;
-      if (MergeShortFunctions ||
-          (Style.AllowShortFunctionsOnASingleLine >= FormatStyle::SFS_Empty &&
-           I[1]->First == I[1]->Last && I + 2 != E &&
-           I[2]->First->is(tok::r_brace))) {
-        MergedLines = tryMergeSimpleBlock(I + 1, E, Limit);
-        // If we managed to merge the block, count the function header, which is
-        // on a separate line.
-        if (MergedLines > 0)
-          ++MergedLines;
-      }
-      return MergedLines;
-    }
-    if (TheLine->First->is(tok::kw_if)) {
-      return Style.AllowShortIfStatementsOnASingleLine
-                 ? tryMergeSimpleControlStatement(I, E, Limit)
-                 : 0;
-    }
-    if (TheLine->First->isOneOf(tok::kw_for, tok::kw_while)) {
-      return Style.AllowShortLoopsOnASingleLine
-                 ? tryMergeSimpleControlStatement(I, E, Limit)
-                 : 0;
-    }
-    if (TheLine->First->isOneOf(tok::kw_case, tok::kw_default)) {
-      return Style.AllowShortCaseLabelsOnASingleLine
-                 ? tryMergeShortCaseLabels(I, E, Limit)
-                 : 0;
-    }
-    if (TheLine->InPPDirective &&
-        (TheLine->First->HasUnescapedNewline || TheLine->First->IsFirst)) {
-      return tryMergeSimplePPDirective(I, E, Limit);
-    }
-    return 0;
-  }
-
-  unsigned
-  tryMergeSimplePPDirective(SmallVectorImpl<AnnotatedLine *>::const_iterator I,
-                            SmallVectorImpl<AnnotatedLine *>::const_iterator E,
-                            unsigned Limit) {
-    if (Limit == 0)
-      return 0;
-    if (I + 2 != E && I[2]->InPPDirective && !I[2]->First->HasUnescapedNewline)
-      return 0;
-    if (1 + I[1]->Last->TotalLength > Limit)
-      return 0;
-    return 1;
-  }
-
-  unsigned tryMergeSimpleControlStatement(
-      SmallVectorImpl<AnnotatedLine *>::const_iterator I,
-      SmallVectorImpl<AnnotatedLine *>::const_iterator E, unsigned Limit) {
-    if (Limit == 0)
-      return 0;
-    if (Style.BraceWrapping.AfterControlStatement &&
-        (I[1]->First->is(tok::l_brace) && !Style.AllowShortBlocksOnASingleLine))
-      return 0;
-    if (I[1]->InPPDirective != (*I)->InPPDirective ||
-        (I[1]->InPPDirective && I[1]->First->HasUnescapedNewline))
-      return 0;
-    Limit = limitConsideringMacros(I + 1, E, Limit);
-    AnnotatedLine &Line = **I;
-    if (Line.Last->isNot(tok::r_paren))
-      return 0;
-    if (1 + I[1]->Last->TotalLength > Limit)
-      return 0;
-    if (I[1]->First->isOneOf(tok::semi, tok::kw_if, tok::kw_for, tok::kw_while,
-                             TT_LineComment))
-      return 0;
-    // Only inline simple if's (no nested if or else).
-    if (I + 2 != E && Line.startsWith(tok::kw_if) &&
-        I[2]->First->is(tok::kw_else))
-      return 0;
-    return 1;
-  }
-
-  unsigned
-  tryMergeShortCaseLabels(SmallVectorImpl<AnnotatedLine *>::const_iterator I,
-                          SmallVectorImpl<AnnotatedLine *>::const_iterator E,
-                          unsigned Limit) {
-    if (Limit == 0 || I + 1 == E ||
-        I[1]->First->isOneOf(tok::kw_case, tok::kw_default))
-      return 0;
-    if (I[0]->Last->is(tok::l_brace) || I[1]->First->is(tok::l_brace))
-      return 0;
-    unsigned NumStmts = 0;
-    unsigned Length = 0;
-    bool EndsWithComment = false;
-    bool InPPDirective = I[0]->InPPDirective;
-    const unsigned Level = I[0]->Level;
-    for (; NumStmts < 3; ++NumStmts) {
-      if (I + 1 + NumStmts == E)
-        break;
-      const AnnotatedLine *Line = I[1 + NumStmts];
-      if (Line->InPPDirective != InPPDirective)
-        break;
-      if (Line->First->isOneOf(tok::kw_case, tok::kw_default, tok::r_brace))
-        break;
-      if (Line->First->isOneOf(tok::kw_if, tok::kw_for, tok::kw_switch,
-                               tok::kw_while) ||
-          EndsWithComment)
-        return 0;
-      if (Line->First->is(tok::comment)) {
-        if (Level != Line->Level)
-          return 0;
-        SmallVectorImpl<AnnotatedLine *>::const_iterator J = I + 2 + NumStmts;
-        for (; J != E; ++J) {
-          Line = *J;
-          if (Line->InPPDirective != InPPDirective)
-            break;
-          if (Line->First->isOneOf(tok::kw_case, tok::kw_default, tok::r_brace))
-            break;
-          if (Line->First->isNot(tok::comment) || Level != Line->Level)
-            return 0;
-        }
-        break;
-      }
-      if (Line->Last->is(tok::comment))
-        EndsWithComment = true;
-      Length += I[1 + NumStmts]->Last->TotalLength + 1; // 1 for the space.
-    }
-    if (NumStmts == 0 || NumStmts == 3 || Length > Limit)
-      return 0;
-    return NumStmts;
-  }
-
-  unsigned
-  tryMergeSimpleBlock(SmallVectorImpl<AnnotatedLine *>::const_iterator I,
-                      SmallVectorImpl<AnnotatedLine *>::const_iterator E,
-                      unsigned Limit) {
-    AnnotatedLine &Line = **I;
-
-    // Don't merge ObjC @ keywords and methods.
-    // FIXME: If an option to allow short exception handling clauses on a single
-    // line is added, change this to not return for @try and friends.
-    if (Style.Language != FormatStyle::LK_Java &&
-        Line.First->isOneOf(tok::at, tok::minus, tok::plus))
-      return 0;
-
-    // Check that the current line allows merging. This depends on whether we
-    // are in a control flow statements as well as several style flags.
-    if (Line.First->isOneOf(tok::kw_else, tok::kw_case) ||
-        (Line.First->Next && Line.First->Next->is(tok::kw_else)))
-      return 0;
-    // default: in switch statement
-    if (Line.First->is(tok::kw_default)) {
-      const FormatToken *Tok = Line.First->getNextNonComment();
-      if (Tok && Tok->is(tok::colon))
-        return 0;
-    }
-    if (Line.First->isOneOf(tok::kw_if, tok::kw_while, tok::kw_do, tok::kw_try,
-                            tok::kw___try, tok::kw_catch, tok::kw___finally,
-                            tok::kw_for, tok::r_brace, Keywords.kw___except)) {
-      if (!Style.AllowShortBlocksOnASingleLine)
-        return 0;
-      // Don't merge when we can't except the case when
-      // the control statement block is empty
-      if (!Style.AllowShortIfStatementsOnASingleLine &&
-          Line.startsWith(tok::kw_if) &&
-          !Style.BraceWrapping.AfterControlStatement &&
-          !I[1]->First->is(tok::r_brace))
-        return 0;
-      if (!Style.AllowShortIfStatementsOnASingleLine &&
-          Line.startsWith(tok::kw_if) &&
-          Style.BraceWrapping.AfterControlStatement && I + 2 != E &&
-          !I[2]->First->is(tok::r_brace))
-        return 0;
-      if (!Style.AllowShortLoopsOnASingleLine &&
-          Line.First->isOneOf(tok::kw_while, tok::kw_do, tok::kw_for) &&
-          !Style.BraceWrapping.AfterControlStatement &&
-          !I[1]->First->is(tok::r_brace))
-        return 0;
-      if (!Style.AllowShortLoopsOnASingleLine &&
-          Line.First->isOneOf(tok::kw_while, tok::kw_do, tok::kw_for) &&
-          Style.BraceWrapping.AfterControlStatement && I + 2 != E &&
-          !I[2]->First->is(tok::r_brace))
-        return 0;
-      // FIXME: Consider an option to allow short exception handling clauses on
-      // a single line.
-      // FIXME: This isn't covered by tests.
-      // FIXME: For catch, __except, __finally the first token on the line
-      // is '}', so this isn't correct here.
-      if (Line.First->isOneOf(tok::kw_try, tok::kw___try, tok::kw_catch,
-                              Keywords.kw___except, tok::kw___finally))
-        return 0;
-    }
-
-    if (Line.Last->is(tok::l_brace)) {
-      FormatToken *Tok = I[1]->First;
-      if (Tok->is(tok::r_brace) && !Tok->MustBreakBefore &&
-          (Tok->getNextNonComment() == nullptr ||
-           Tok->getNextNonComment()->is(tok::semi))) {
-        // We merge empty blocks even if the line exceeds the column limit.
-        Tok->SpacesRequiredBefore = 0;
-        Tok->CanBreakBefore = true;
-        return 1;
-      } else if (Limit != 0 && !Line.startsWithNamespace() &&
-                 !startsExternCBlock(Line)) {
-        // We don't merge short records.
-        FormatToken *RecordTok = Line.First;
-        // Skip record modifiers.
-        while (RecordTok->Next &&
-               RecordTok->isOneOf(tok::kw_typedef, tok::kw_export,
-                                  Keywords.kw_declare, Keywords.kw_abstract,
-                                  tok::kw_default))
-          RecordTok = RecordTok->Next;
-        if (RecordTok &&
-            RecordTok->isOneOf(tok::kw_class, tok::kw_union, tok::kw_struct,
-                               Keywords.kw_interface))
-          return 0;
-
-        // Check that we still have three lines and they fit into the limit.
-        if (I + 2 == E || I[2]->Type == LT_Invalid)
-          return 0;
-        Limit = limitConsideringMacros(I + 2, E, Limit);
-
-        if (!nextTwoLinesFitInto(I, Limit))
-          return 0;
-
-        // Second, check that the next line does not contain any braces - if it
-        // does, readability declines when putting it into a single line.
-        if (I[1]->Last->is(TT_LineComment))
-          return 0;
-        do {
-          if (Tok->is(tok::l_brace) && Tok->BlockKind != BK_BracedInit)
-            return 0;
-          Tok = Tok->Next;
-        } while (Tok);
-
-        // Last, check that the third line starts with a closing brace.
-        Tok = I[2]->First;
-        if (Tok->isNot(tok::r_brace))
-          return 0;
-
-        // Don't merge "if (a) { .. } else {".
-        if (Tok->Next && Tok->Next->is(tok::kw_else))
-          return 0;
-
-        return 2;
-      }
-    } else if (I[1]->First->is(tok::l_brace)) {
-      if (I[1]->Last->is(TT_LineComment))
-        return 0;
-
-      // Check for Limit <= 2 to account for the " {".
-      if (Limit <= 2 || (Style.ColumnLimit == 0 && containsMustBreak(*I)))
-        return 0;
-      Limit -= 2;
-      unsigned MergedLines = 0;
-      if (Style.AllowShortBlocksOnASingleLine ||
-          (I[1]->First == I[1]->Last && I + 2 != E &&
-           I[2]->First->is(tok::r_brace))) {
-        MergedLines = tryMergeSimpleBlock(I + 1, E, Limit);
-        // If we managed to merge the block, count the statement header, which
-        // is on a separate line.
-        if (MergedLines > 0)
-          ++MergedLines;
-      }
-      return MergedLines;
-    }
-    return 0;
-  }
-
-  /// Returns the modified column limit for \p I if it is inside a macro and
-  /// needs a trailing '\'.
-  unsigned
-  limitConsideringMacros(SmallVectorImpl<AnnotatedLine *>::const_iterator I,
-                         SmallVectorImpl<AnnotatedLine *>::const_iterator E,
-                         unsigned Limit) {
-    if (I[0]->InPPDirective && I + 1 != E &&
-        !I[1]->First->HasUnescapedNewline && !I[1]->First->is(tok::eof)) {
-      return Limit < 2 ? 0 : Limit - 2;
-    }
-    return Limit;
-  }
-
-  bool nextTwoLinesFitInto(SmallVectorImpl<AnnotatedLine *>::const_iterator I,
-                           unsigned Limit) {
-    if (I[1]->First->MustBreakBefore || I[2]->First->MustBreakBefore)
-      return false;
-    return 1 + I[1]->Last->TotalLength + 1 + I[2]->Last->TotalLength <= Limit;
-  }
-
-  bool containsMustBreak(const AnnotatedLine *Line) {
-    for (const FormatToken *Tok = Line->First; Tok; Tok = Tok->Next) {
-      if (Tok->MustBreakBefore)
-        return true;
-    }
-    return false;
-  }
-
-  void join(AnnotatedLine &A, const AnnotatedLine &B) {
-    assert(!A.Last->Next);
-    assert(!B.First->Previous);
-    if (B.Affected)
-      A.Affected = true;
-    A.Last->Next = B.First;
-    B.First->Previous = A.Last;
-    B.First->CanBreakBefore = true;
-    unsigned LengthA = A.Last->TotalLength + B.First->SpacesRequiredBefore;
-    for (FormatToken *Tok = B.First; Tok; Tok = Tok->Next) {
-      Tok->TotalLength += LengthA;
-      A.Last = Tok;
-    }
-  }
-
-  const FormatStyle &Style;
-  const AdditionalKeywords &Keywords;
-  const SmallVectorImpl<AnnotatedLine *>::const_iterator End;
-
-  SmallVectorImpl<AnnotatedLine *>::const_iterator Next;
-  const SmallVectorImpl<AnnotatedLine *> &AnnotatedLines;
-};
-
-static void markFinalized(FormatToken *Tok) {
-  for (; Tok; Tok = Tok->Next) {
-    Tok->Finalized = true;
-    for (AnnotatedLine *Child : Tok->Children)
-      markFinalized(Child->First);
-  }
-}
-
-#ifndef NDEBUG
-static void printLineState(const LineState &State) {
-  llvm::dbgs() << "State: ";
-  for (const ParenState &P : State.Stack) {
-    llvm::dbgs() << (P.Tok ? P.Tok->TokenText : "F") << "|" << P.Indent << "|"
-                 << P.LastSpace << "|" << P.NestedBlockIndent << " ";
-  }
-  llvm::dbgs() << State.NextToken->TokenText << "\n";
-}
-#endif
-
-/// Base class for classes that format one \c AnnotatedLine.
-class LineFormatter {
-public:
-  LineFormatter(ContinuationIndenter *Indenter, WhitespaceManager *Whitespaces,
-                const FormatStyle &Style,
-                UnwrappedLineFormatter *BlockFormatter)
-      : Indenter(Indenter), Whitespaces(Whitespaces), Style(Style),
-        BlockFormatter(BlockFormatter) {}
-  virtual ~LineFormatter() {}
-
-  /// Formats an \c AnnotatedLine and returns the penalty.
-  ///
-  /// If \p DryRun is \c false, directly applies the changes.
-  virtual unsigned formatLine(const AnnotatedLine &Line,
-                              unsigned FirstIndent,
-                              unsigned FirstStartColumn,
-                              bool DryRun) = 0;
-
-protected:
-  /// If the \p State's next token is an r_brace closing a nested block,
-  /// format the nested block before it.
-  ///
-  /// Returns \c true if all children could be placed successfully and adapts
-  /// \p Penalty as well as \p State. If \p DryRun is false, also directly
-  /// creates changes using \c Whitespaces.
-  ///
-  /// The crucial idea here is that children always get formatted upon
-  /// encountering the closing brace right after the nested block. Now, if we
-  /// are currently trying to keep the "}" on the same line (i.e. \p NewLine is
-  /// \c false), the entire block has to be kept on the same line (which is only
-  /// possible if it fits on the line, only contains a single statement, etc.
-  ///
-  /// If \p NewLine is true, we format the nested block on separate lines, i.e.
-  /// break after the "{", format all lines with correct indentation and the put
-  /// the closing "}" on yet another new line.
-  ///
-  /// This enables us to keep the simple structure of the
-  /// \c UnwrappedLineFormatter, where we only have two options for each token:
-  /// break or don't break.
-  bool formatChildren(LineState &State, bool NewLine, bool DryRun,
-                      unsigned &Penalty) {
-    const FormatToken *LBrace = State.NextToken->getPreviousNonComment();
-    FormatToken &Previous = *State.NextToken->Previous;
-    if (!LBrace || LBrace->isNot(tok::l_brace) ||
-        LBrace->BlockKind != BK_Block || Previous.Children.size() == 0)
-      // The previous token does not open a block. Nothing to do. We don't
-      // assert so that we can simply call this function for all tokens.
-      return true;
-
-    if (NewLine) {
-      int AdditionalIndent = State.Stack.back().Indent -
-                             Previous.Children[0]->Level * Style.IndentWidth;
-
-      Penalty +=
-          BlockFormatter->format(Previous.Children, DryRun, AdditionalIndent,
-                                 /*FixBadIndentation=*/true);
-      return true;
-    }
-
-    if (Previous.Children[0]->First->MustBreakBefore)
-      return false;
-
-    // Cannot merge into one line if this line ends on a comment.
-    if (Previous.is(tok::comment))
-      return false;
-
-    // Cannot merge multiple statements into a single line.
-    if (Previous.Children.size() > 1)
-      return false;
-
-    const AnnotatedLine *Child = Previous.Children[0];
-    // We can't put the closing "}" on a line with a trailing comment.
-    if (Child->Last->isTrailingComment())
-      return false;
-
-    // If the child line exceeds the column limit, we wouldn't want to merge it.
-    // We add +2 for the trailing " }".
-    if (Style.ColumnLimit > 0 &&
-        Child->Last->TotalLength + State.Column + 2 > Style.ColumnLimit)
-      return false;
-
-    if (!DryRun) {
-      Whitespaces->replaceWhitespace(
-          *Child->First, /*Newlines=*/0, /*Spaces=*/1,
-          /*StartOfTokenColumn=*/State.Column, State.Line->InPPDirective);
-    }
-    Penalty +=
-        formatLine(*Child, State.Column + 1, /*FirstStartColumn=*/0, DryRun);
-
-    State.Column += 1 + Child->Last->TotalLength;
-    return true;
-  }
-
-  ContinuationIndenter *Indenter;
-
-private:
-  WhitespaceManager *Whitespaces;
-  const FormatStyle &Style;
-  UnwrappedLineFormatter *BlockFormatter;
-};
-
-/// Formatter that keeps the existing line breaks.
-class NoColumnLimitLineFormatter : public LineFormatter {
-public:
-  NoColumnLimitLineFormatter(ContinuationIndenter *Indenter,
-                             WhitespaceManager *Whitespaces,
-                             const FormatStyle &Style,
-                             UnwrappedLineFormatter *BlockFormatter)
-      : LineFormatter(Indenter, Whitespaces, Style, BlockFormatter) {}
-
-  /// Formats the line, simply keeping all of the input's line breaking
-  /// decisions.
-  unsigned formatLine(const AnnotatedLine &Line, unsigned FirstIndent,
-                      unsigned FirstStartColumn, bool DryRun) override {
-    assert(!DryRun);
-    LineState State = Indenter->getInitialState(FirstIndent, FirstStartColumn,
-                                                &Line, /*DryRun=*/false);
-    while (State.NextToken) {
-      bool Newline =
-          Indenter->mustBreak(State) ||
-          (Indenter->canBreak(State) && State.NextToken->NewlinesBefore > 0);
-      unsigned Penalty = 0;
-      formatChildren(State, Newline, /*DryRun=*/false, Penalty);
-      Indenter->addTokenToState(State, Newline, /*DryRun=*/false);
-    }
-    return 0;
-  }
-};
-
-/// Formatter that puts all tokens into a single line without breaks.
-class NoLineBreakFormatter : public LineFormatter {
-public:
-  NoLineBreakFormatter(ContinuationIndenter *Indenter,
-                       WhitespaceManager *Whitespaces, const FormatStyle &Style,
-                       UnwrappedLineFormatter *BlockFormatter)
-      : LineFormatter(Indenter, Whitespaces, Style, BlockFormatter) {}
-
-  /// Puts all tokens into a single line.
-  unsigned formatLine(const AnnotatedLine &Line, unsigned FirstIndent,
-                      unsigned FirstStartColumn, bool DryRun) override {
-    unsigned Penalty = 0;
-    LineState State =
-        Indenter->getInitialState(FirstIndent, FirstStartColumn, &Line, DryRun);
-    while (State.NextToken) {
-      formatChildren(State, /*Newline=*/false, DryRun, Penalty);
-      Indenter->addTokenToState(
-          State, /*Newline=*/State.NextToken->MustBreakBefore, DryRun);
-    }
-    return Penalty;
-  }
-};
-
-/// Finds the best way to break lines.
-class OptimizingLineFormatter : public LineFormatter {
-public:
-  OptimizingLineFormatter(ContinuationIndenter *Indenter,
-                          WhitespaceManager *Whitespaces,
-                          const FormatStyle &Style,
-                          UnwrappedLineFormatter *BlockFormatter)
-      : LineFormatter(Indenter, Whitespaces, Style, BlockFormatter) {}
-
-  /// Formats the line by finding the best line breaks with line lengths
-  /// below the column limit.
-  unsigned formatLine(const AnnotatedLine &Line, unsigned FirstIndent,
-                      unsigned FirstStartColumn, bool DryRun) override {
-    LineState State =
-        Indenter->getInitialState(FirstIndent, FirstStartColumn, &Line, DryRun);
-
-    // If the ObjC method declaration does not fit on a line, we should format
-    // it with one arg per line.
-    if (State.Line->Type == LT_ObjCMethodDecl)
-      State.Stack.back().BreakBeforeParameter = true;
-
-    // Find best solution in solution space.
-    return analyzeSolutionSpace(State, DryRun);
-  }
-
-private:
-  struct CompareLineStatePointers {
-    bool operator()(LineState *obj1, LineState *obj2) const {
-      return *obj1 < *obj2;
-    }
-  };
-
-  /// A pair of <penalty, count> that is used to prioritize the BFS on.
-  ///
-  /// In case of equal penalties, we want to prefer states that were inserted
-  /// first. During state generation we make sure that we insert states first
-  /// that break the line as late as possible.
-  typedef std::pair<unsigned, unsigned> OrderedPenalty;
-
-  /// An edge in the solution space from \c Previous->State to \c State,
-  /// inserting a newline dependent on the \c NewLine.
-  struct StateNode {
-    StateNode(const LineState &State, bool NewLine, StateNode *Previous)
-        : State(State), NewLine(NewLine), Previous(Previous) {}
-    LineState State;
-    bool NewLine;
-    StateNode *Previous;
-  };
-
-  /// An item in the prioritized BFS search queue. The \c StateNode's
-  /// \c State has the given \c OrderedPenalty.
-  typedef std::pair<OrderedPenalty, StateNode *> QueueItem;
-
-  /// The BFS queue type.
-  typedef std::priority_queue<QueueItem, std::vector<QueueItem>,
-                              std::greater<QueueItem>>
-      QueueType;
-
-  /// Analyze the entire solution space starting from \p InitialState.
-  ///
-  /// This implements a variant of Dijkstra's algorithm on the graph that spans
-  /// the solution space (\c LineStates are the nodes). The algorithm tries to
-  /// find the shortest path (the one with lowest penalty) from \p InitialState
-  /// to a state where all tokens are placed. Returns the penalty.
-  ///
-  /// If \p DryRun is \c false, directly applies the changes.
-  unsigned analyzeSolutionSpace(LineState &InitialState, bool DryRun) {
-    std::set<LineState *, CompareLineStatePointers> Seen;
-
-    // Increasing count of \c StateNode items we have created. This is used to
-    // create a deterministic order independent of the container.
-    unsigned Count = 0;
-    QueueType Queue;
-
-    // Insert start element into queue.
-    StateNode *Node =
-        new (Allocator.Allocate()) StateNode(InitialState, false, nullptr);
-    Queue.push(QueueItem(OrderedPenalty(0, Count), Node));
-    ++Count;
-
-    unsigned Penalty = 0;
-
-    // While not empty, take first element and follow edges.
-    while (!Queue.empty()) {
-      Penalty = Queue.top().first.first;
-      StateNode *Node = Queue.top().second;
-      if (!Node->State.NextToken) {
-        LLVM_DEBUG(llvm::dbgs()
-                   << "\n---\nPenalty for line: " << Penalty << "\n");
-        break;
-      }
-      Queue.pop();
-
-      // Cut off the analysis of certain solutions if the analysis gets too
-      // complex. See description of IgnoreStackForComparison.
-      if (Count > 50000)
-        Node->State.IgnoreStackForComparison = true;
-
-      if (!Seen.insert(&Node->State).second)
-        // State already examined with lower penalty.
-        continue;
-
-      FormatDecision LastFormat = Node->State.NextToken->Decision;
-      if (LastFormat == FD_Unformatted || LastFormat == FD_Continue)
-        addNextStateToQueue(Penalty, Node, /*NewLine=*/false, &Count, &Queue);
-      if (LastFormat == FD_Unformatted || LastFormat == FD_Break)
-        addNextStateToQueue(Penalty, Node, /*NewLine=*/true, &Count, &Queue);
-    }
-
-    if (Queue.empty()) {
-      // We were unable to find a solution, do nothing.
-      // FIXME: Add diagnostic?
-      LLVM_DEBUG(llvm::dbgs() << "Could not find a solution.\n");
-      return 0;
-    }
-
-    // Reconstruct the solution.
-    if (!DryRun)
-      reconstructPath(InitialState, Queue.top().second);
-
-    LLVM_DEBUG(llvm::dbgs()
-               << "Total number of analyzed states: " << Count << "\n");
-    LLVM_DEBUG(llvm::dbgs() << "---\n");
-
-    return Penalty;
-  }
-
-  /// Add the following state to the analysis queue \c Queue.
-  ///
-  /// Assume the current state is \p PreviousNode and has been reached with a
-  /// penalty of \p Penalty. Insert a line break if \p NewLine is \c true.
-  void addNextStateToQueue(unsigned Penalty, StateNode *PreviousNode,
-                           bool NewLine, unsigned *Count, QueueType *Queue) {
-    if (NewLine && !Indenter->canBreak(PreviousNode->State))
-      return;
-    if (!NewLine && Indenter->mustBreak(PreviousNode->State))
-      return;
-
-    StateNode *Node = new (Allocator.Allocate())
-        StateNode(PreviousNode->State, NewLine, PreviousNode);
-    if (!formatChildren(Node->State, NewLine, /*DryRun=*/true, Penalty))
-      return;
-
-    Penalty += Indenter->addTokenToState(Node->State, NewLine, true);
-
-    Queue->push(QueueItem(OrderedPenalty(Penalty, *Count), Node));
-    ++(*Count);
-  }
-
-  /// Applies the best formatting by reconstructing the path in the
-  /// solution space that leads to \c Best.
-  void reconstructPath(LineState &State, StateNode *Best) {
-    std::deque<StateNode *> Path;
-    // We do not need a break before the initial token.
-    while (Best->Previous) {
-      Path.push_front(Best);
-      Best = Best->Previous;
-    }
-    for (auto I = Path.begin(), E = Path.end(); I != E; ++I) {
-      unsigned Penalty = 0;
-      formatChildren(State, (*I)->NewLine, /*DryRun=*/false, Penalty);
-      Penalty += Indenter->addTokenToState(State, (*I)->NewLine, false);
-
-      LLVM_DEBUG({
-        printLineState((*I)->Previous->State);
-        if ((*I)->NewLine) {
-          llvm::dbgs() << "Penalty for placing "
-                       << (*I)->Previous->State.NextToken->Tok.getName()
-                       << " on a new line: " << Penalty << "\n";
-        }
-      });
-    }
-  }
-
-  llvm::SpecificBumpPtrAllocator<StateNode> Allocator;
-};
-
-} // anonymous namespace
-
-unsigned
-UnwrappedLineFormatter::format(const SmallVectorImpl<AnnotatedLine *> &Lines,
-                               bool DryRun, int AdditionalIndent,
-                               bool FixBadIndentation,
-                               unsigned FirstStartColumn,
-                               unsigned NextStartColumn,
-                               unsigned LastStartColumn) {
-  LineJoiner Joiner(Style, Keywords, Lines);
-
-  // Try to look up already computed penalty in DryRun-mode.
-  std::pair<const SmallVectorImpl<AnnotatedLine *> *, unsigned> CacheKey(
-      &Lines, AdditionalIndent);
-  auto CacheIt = PenaltyCache.find(CacheKey);
-  if (DryRun && CacheIt != PenaltyCache.end())
-    return CacheIt->second;
-
-  assert(!Lines.empty());
-  unsigned Penalty = 0;
-  LevelIndentTracker IndentTracker(Style, Keywords, Lines[0]->Level,
-                                   AdditionalIndent);
-  const AnnotatedLine *PreviousLine = nullptr;
-  const AnnotatedLine *NextLine = nullptr;
-
-  // The minimum level of consecutive lines that have been formatted.
-  unsigned RangeMinLevel = UINT_MAX;
-
-  bool FirstLine = true;
-  for (const AnnotatedLine *Line =
-           Joiner.getNextMergedLine(DryRun, IndentTracker);
-       Line; Line = NextLine, FirstLine = false) {
-    const AnnotatedLine &TheLine = *Line;
-    unsigned Indent = IndentTracker.getIndent();
-
-    // We continue formatting unchanged lines to adjust their indent, e.g. if a
-    // scope was added. However, we need to carefully stop doing this when we
-    // exit the scope of affected lines to prevent indenting a the entire
-    // remaining file if it currently missing a closing brace.
-    bool PreviousRBrace =
-        PreviousLine && PreviousLine->startsWith(tok::r_brace);
-    bool ContinueFormatting =
-        TheLine.Level > RangeMinLevel ||
-        (TheLine.Level == RangeMinLevel && !PreviousRBrace &&
-         !TheLine.startsWith(tok::r_brace));
-
-    bool FixIndentation = (FixBadIndentation || ContinueFormatting) &&
-                          Indent != TheLine.First->OriginalColumn;
-    bool ShouldFormat = TheLine.Affected || FixIndentation;
-    // We cannot format this line; if the reason is that the line had a
-    // parsing error, remember that.
-    if (ShouldFormat && TheLine.Type == LT_Invalid && Status) {
-      Status->FormatComplete = false;
-      Status->Line =
-          SourceMgr.getSpellingLineNumber(TheLine.First->Tok.getLocation());
-    }
-
-    if (ShouldFormat && TheLine.Type != LT_Invalid) {
-      if (!DryRun) {
-        bool LastLine = Line->First->is(tok::eof);
-        formatFirstToken(TheLine, PreviousLine, Lines, Indent,
-                         LastLine ? LastStartColumn : NextStartColumn + Indent);
-      }
-
-      NextLine = Joiner.getNextMergedLine(DryRun, IndentTracker);
-      unsigned ColumnLimit = getColumnLimit(TheLine.InPPDirective, NextLine);
-      bool FitsIntoOneLine =
-          TheLine.Last->TotalLength + Indent <= ColumnLimit ||
-          (TheLine.Type == LT_ImportStatement &&
-           (Style.Language != FormatStyle::LK_JavaScript ||
-            !Style.JavaScriptWrapImports));
-      if (Style.ColumnLimit == 0)
-        NoColumnLimitLineFormatter(Indenter, Whitespaces, Style, this)
-            .formatLine(TheLine, NextStartColumn + Indent,
-                        FirstLine ? FirstStartColumn : 0, DryRun);
-      else if (FitsIntoOneLine)
-        Penalty += NoLineBreakFormatter(Indenter, Whitespaces, Style, this)
-                       .formatLine(TheLine, NextStartColumn + Indent,
-                                   FirstLine ? FirstStartColumn : 0, DryRun);
-      else
-        Penalty += OptimizingLineFormatter(Indenter, Whitespaces, Style, this)
-                       .formatLine(TheLine, NextStartColumn + Indent,
-                                   FirstLine ? FirstStartColumn : 0, DryRun);
-      RangeMinLevel = std::min(RangeMinLevel, TheLine.Level);
-    } else {
-      // If no token in the current line is affected, we still need to format
-      // affected children.
-      if (TheLine.ChildrenAffected)
-        for (const FormatToken *Tok = TheLine.First; Tok; Tok = Tok->Next)
-          if (!Tok->Children.empty())
-            format(Tok->Children, DryRun);
-
-      // Adapt following lines on the current indent level to the same level
-      // unless the current \c AnnotatedLine is not at the beginning of a line.
-      bool StartsNewLine =
-          TheLine.First->NewlinesBefore > 0 || TheLine.First->IsFirst;
-      if (StartsNewLine)
-        IndentTracker.adjustToUnmodifiedLine(TheLine);
-      if (!DryRun) {
-        bool ReformatLeadingWhitespace =
-            StartsNewLine && ((PreviousLine && PreviousLine->Affected) ||
-                              TheLine.LeadingEmptyLinesAffected);
-        // Format the first token.
-        if (ReformatLeadingWhitespace)
-          formatFirstToken(TheLine, PreviousLine, Lines,
-                           TheLine.First->OriginalColumn,
-                           TheLine.First->OriginalColumn);
-        else
-          Whitespaces->addUntouchableToken(*TheLine.First,
-                                           TheLine.InPPDirective);
-
-        // Notify the WhitespaceManager about the unchanged whitespace.
-        for (FormatToken *Tok = TheLine.First->Next; Tok; Tok = Tok->Next)
-          Whitespaces->addUntouchableToken(*Tok, TheLine.InPPDirective);
-      }
-      NextLine = Joiner.getNextMergedLine(DryRun, IndentTracker);
-      RangeMinLevel = UINT_MAX;
-    }
-    if (!DryRun)
-      markFinalized(TheLine.First);
-    PreviousLine = &TheLine;
-  }
-  PenaltyCache[CacheKey] = Penalty;
-  return Penalty;
-}
-
-void UnwrappedLineFormatter::formatFirstToken(
-    const AnnotatedLine &Line, const AnnotatedLine *PreviousLine,
-    const SmallVectorImpl<AnnotatedLine *> &Lines, unsigned Indent,
-    unsigned NewlineIndent) {
-  FormatToken &RootToken = *Line.First;
-  if (RootToken.is(tok::eof)) {
-    unsigned Newlines = std::min(RootToken.NewlinesBefore, 1u);
-    unsigned TokenIndent = Newlines ? NewlineIndent : 0;
-    Whitespaces->replaceWhitespace(RootToken, Newlines, TokenIndent,
-                                   TokenIndent);
-    return;
-  }
-  unsigned Newlines =
-      std::min(RootToken.NewlinesBefore, Style.MaxEmptyLinesToKeep + 1);
-  // Remove empty lines before "}" where applicable.
-  if (RootToken.is(tok::r_brace) &&
-      (!RootToken.Next ||
-       (RootToken.Next->is(tok::semi) && !RootToken.Next->Next)) &&
-      // Do not remove empty lines before namespace closing "}".
-      !getNamespaceToken(&Line, Lines))
-    Newlines = std::min(Newlines, 1u);
-  // Remove empty lines at the start of nested blocks (lambdas/arrow functions)
-  if (PreviousLine == nullptr && Line.Level > 0)
-    Newlines = std::min(Newlines, 1u);
-  if (Newlines == 0 && !RootToken.IsFirst)
-    Newlines = 1;
-  if (RootToken.IsFirst && !RootToken.HasUnescapedNewline)
-    Newlines = 0;
-
-  // Remove empty lines after "{".
-  if (!Style.KeepEmptyLinesAtTheStartOfBlocks && PreviousLine &&
-      PreviousLine->Last->is(tok::l_brace) &&
-      !PreviousLine->startsWithNamespace() &&
-      !startsExternCBlock(*PreviousLine))
-    Newlines = 1;
-
-  // Insert extra new line before access specifiers.
-  if (PreviousLine && PreviousLine->Last->isOneOf(tok::semi, tok::r_brace) &&
-      RootToken.isAccessSpecifier() && RootToken.NewlinesBefore == 1)
-    ++Newlines;
-
-  // Remove empty lines after access specifiers.
-  if (PreviousLine && PreviousLine->First->isAccessSpecifier() &&
-      (!PreviousLine->InPPDirective || !RootToken.HasUnescapedNewline))
-    Newlines = std::min(1u, Newlines);
-
-  if (Newlines)
-    Indent = NewlineIndent;
-
-  // Preprocessor directives get indented after the hash, if indented.
-  if (Line.Type == LT_PreprocessorDirective || Line.Type == LT_ImportStatement)
-    Indent = 0;
-
-  Whitespaces->replaceWhitespace(RootToken, Newlines, Indent, Indent,
-                                 Line.InPPDirective &&
-                                     !RootToken.HasUnescapedNewline);
-}
-
-unsigned
-UnwrappedLineFormatter::getColumnLimit(bool InPPDirective,
-                                       const AnnotatedLine *NextLine) const {
-  // In preprocessor directives reserve two chars for trailing " \" if the
-  // next line continues the preprocessor directive.
-  bool ContinuesPPDirective =
-      InPPDirective &&
-      // If there is no next line, this is likely a child line and the parent
-      // continues the preprocessor directive.
-      (!NextLine ||
-       (NextLine->InPPDirective &&
-        // If there is an unescaped newline between this line and the next, the
-        // next line starts a new preprocessor directive.
-        !NextLine->First->HasUnescapedNewline));
-  return Style.ColumnLimit - (ContinuesPPDirective ? 2 : 0);
-}
-
-} // namespace format
-} // namespace clang