66 lines · c
1//===--- AffectedRangeManager.h - Format C++ code ---------------*- C++ -*-===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8///9/// \file10/// AffectedRangeManager class manages affected ranges in the code.11///12//===----------------------------------------------------------------------===//13 14#ifndef LLVM_CLANG_LIB_FORMAT_AFFECTEDRANGEMANAGER_H15#define LLVM_CLANG_LIB_FORMAT_AFFECTEDRANGEMANAGER_H16 17#include "clang/Basic/SourceManager.h"18 19namespace clang {20namespace format {21 22struct FormatToken;23class AnnotatedLine;24 25class AffectedRangeManager {26public:27 AffectedRangeManager(const SourceManager &SourceMgr,28 const ArrayRef<CharSourceRange> Ranges)29 : SourceMgr(SourceMgr), Ranges(Ranges) {}30 31 // Determines which lines are affected by the SourceRanges given as input.32 // Returns \c true if at least one line in \p Lines or one of their33 // children is affected.34 bool computeAffectedLines(SmallVectorImpl<AnnotatedLine *> &Lines);35 36 // Returns true if 'Range' intersects with one of the input ranges.37 bool affectsCharSourceRange(const CharSourceRange &Range);38 39private:40 // Returns true if the range from 'First' to 'Last' intersects with one of the41 // input ranges.42 bool affectsTokenRange(const FormatToken &First, const FormatToken &Last,43 bool IncludeLeadingNewlines);44 45 // Returns true if one of the input ranges intersect the leading empty lines46 // before 'Tok'.47 bool affectsLeadingEmptyLines(const FormatToken &Tok);48 49 // Marks all lines between I and E as well as all their children as affected.50 void markAllAsAffected(ArrayRef<AnnotatedLine *>::iterator I,51 ArrayRef<AnnotatedLine *>::iterator E);52 53 // Determines whether 'Line' is affected by the SourceRanges given as input.54 // Returns \c true if line or one if its children is affected.55 bool nonPPLineAffected(AnnotatedLine *Line, const AnnotatedLine *PreviousLine,56 SmallVectorImpl<AnnotatedLine *> &Lines);57 58 const SourceManager &SourceMgr;59 const SmallVector<CharSourceRange, 8> Ranges;60};61 62} // namespace format63} // namespace clang64 65#endif // LLVM_CLANG_LIB_FORMAT_AFFECTEDRANGEMANAGER_H66