Coverage Report

Created: 2020-02-18 08:44

/Users/buildslave/jenkins/workspace/coverage/llvm-project/clang/lib/Format/UnwrappedLineFormatter.h
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//===--- UnwrappedLineFormatter.h - Format C++ code -------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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///
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/// \file
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/// Implements a combinartorial exploration of all the different
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/// linebreaks unwrapped lines can be formatted in.
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///
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_CLANG_LIB_FORMAT_UNWRAPPEDLINEFORMATTER_H
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#define LLVM_CLANG_LIB_FORMAT_UNWRAPPEDLINEFORMATTER_H
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#include "ContinuationIndenter.h"
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#include "clang/Format/Format.h"
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#include <map>
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namespace clang {
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namespace format {
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class ContinuationIndenter;
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class WhitespaceManager;
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class UnwrappedLineFormatter {
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public:
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  UnwrappedLineFormatter(ContinuationIndenter *Indenter,
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                         WhitespaceManager *Whitespaces,
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                         const FormatStyle &Style,
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                         const AdditionalKeywords &Keywords,
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                         const SourceManager &SourceMgr,
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                         FormattingAttemptStatus *Status)
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      : Indenter(Indenter), Whitespaces(Whitespaces), Style(Style),
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14.7k
        Keywords(Keywords), SourceMgr(SourceMgr), Status(Status) {}
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  /// Format the current block and return the penalty.
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  unsigned format(const SmallVectorImpl<AnnotatedLine *> &Lines,
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                  bool DryRun = false, int AdditionalIndent = 0,
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                  bool FixBadIndentation = false, unsigned FirstStartColumn = 0,
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                  unsigned NextStartColumn = 0, unsigned LastStartColumn = 0);
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private:
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  /// Add a new line and the required indent before the first Token
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  /// of the \c UnwrappedLine if there was no structural parsing error.
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  void formatFirstToken(const AnnotatedLine &Line,
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                        const AnnotatedLine *PreviousLine,
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                        const SmallVectorImpl<AnnotatedLine *> &Lines,
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                        unsigned Indent, unsigned NewlineIndent);
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  /// Returns the column limit for a line, taking into account whether we
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  /// need an escaped newline due to a continued preprocessor directive.
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  unsigned getColumnLimit(bool InPPDirective,
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                          const AnnotatedLine *NextLine) const;
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  // Cache to store the penalty of formatting a vector of AnnotatedLines
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  // starting from a specific additional offset. Improves performance if there
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  // are many nested blocks.
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  std::map<std::pair<const SmallVectorImpl<AnnotatedLine *> *, unsigned>,
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           unsigned>
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      PenaltyCache;
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  ContinuationIndenter *Indenter;
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  WhitespaceManager *Whitespaces;
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  const FormatStyle &Style;
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  const AdditionalKeywords &Keywords;
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  const SourceManager &SourceMgr;
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  FormattingAttemptStatus *Status;
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};
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} // end namespace format
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} // end namespace clang
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#endif // LLVM_CLANG_LIB_FORMAT_UNWRAPPEDLINEFORMATTER_H