blob: 3e33de07fa129604ebd117db14b943bd548cd39f [file] [log] [blame]
//===--- UnwrappedLineFormatter.h - Format C++ code -------------*- C++ -*-===//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
/// \file
/// Implements a combinartorial exploration of all the different
/// linebreaks unwrapped lines can be formatted in.
#include "ContinuationIndenter.h"
#include "clang/Format/Format.h"
#include <map>
namespace clang {
namespace format {
class ContinuationIndenter;
class WhitespaceManager;
class UnwrappedLineFormatter {
UnwrappedLineFormatter(ContinuationIndenter *Indenter,
WhitespaceManager *Whitespaces,
const FormatStyle &Style,
const AdditionalKeywords &Keywords,
const SourceManager &SourceMgr,
FormattingAttemptStatus *Status)
: Indenter(Indenter), Whitespaces(Whitespaces), Style(Style),
Keywords(Keywords), SourceMgr(SourceMgr), Status(Status) {}
/// Format the current block and return the penalty.
unsigned format(const SmallVectorImpl<AnnotatedLine *> &Lines,
bool DryRun = false, int AdditionalIndent = 0,
bool FixBadIndentation = false, unsigned FirstStartColumn = 0,
unsigned NextStartColumn = 0, unsigned LastStartColumn = 0);
/// Add a new line and the required indent before the first Token
/// of the \c UnwrappedLine if there was no structural parsing error.
void formatFirstToken(const AnnotatedLine &Line,
const AnnotatedLine *PreviousLine,
const AnnotatedLine *PrevPrevLine,
const SmallVectorImpl<AnnotatedLine *> &Lines,
unsigned Indent, unsigned NewlineIndent);
/// Returns the column limit for a line, taking into account whether we
/// need an escaped newline due to a continued preprocessor directive.
unsigned getColumnLimit(bool InPPDirective,
const AnnotatedLine *NextLine) const;
// Cache to store the penalty of formatting a vector of AnnotatedLines
// starting from a specific additional offset. Improves performance if there
// are many nested blocks.
std::map<std::pair<const SmallVectorImpl<AnnotatedLine *> *, unsigned>,
ContinuationIndenter *Indenter;
WhitespaceManager *Whitespaces;
const FormatStyle &Style;
const AdditionalKeywords &Keywords;
const SourceManager &SourceMgr;
FormattingAttemptStatus *Status;
} // end namespace format
} // end namespace clang