1*e5dd7070Spatrick //===--- AffectedRangeManager.h - Format C++ code ---------------*- C++ -*-===// 2*e5dd7070Spatrick // 3*e5dd7070Spatrick // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4*e5dd7070Spatrick // See https://llvm.org/LICENSE.txt for license information. 5*e5dd7070Spatrick // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6*e5dd7070Spatrick // 7*e5dd7070Spatrick //===----------------------------------------------------------------------===// 8*e5dd7070Spatrick /// 9*e5dd7070Spatrick /// \file 10*e5dd7070Spatrick /// AffectedRangeManager class manages affected ranges in the code. 11*e5dd7070Spatrick /// 12*e5dd7070Spatrick //===----------------------------------------------------------------------===// 13*e5dd7070Spatrick 14*e5dd7070Spatrick #ifndef LLVM_CLANG_LIB_FORMAT_AFFECTEDRANGEMANAGER_H 15*e5dd7070Spatrick #define LLVM_CLANG_LIB_FORMAT_AFFECTEDRANGEMANAGER_H 16*e5dd7070Spatrick 17*e5dd7070Spatrick #include "clang/Basic/SourceManager.h" 18*e5dd7070Spatrick 19*e5dd7070Spatrick namespace clang { 20*e5dd7070Spatrick namespace format { 21*e5dd7070Spatrick 22*e5dd7070Spatrick struct FormatToken; 23*e5dd7070Spatrick class AnnotatedLine; 24*e5dd7070Spatrick 25*e5dd7070Spatrick class AffectedRangeManager { 26*e5dd7070Spatrick public: AffectedRangeManager(const SourceManager & SourceMgr,const ArrayRef<CharSourceRange> Ranges)27*e5dd7070Spatrick AffectedRangeManager(const SourceManager &SourceMgr, 28*e5dd7070Spatrick const ArrayRef<CharSourceRange> Ranges) 29*e5dd7070Spatrick : SourceMgr(SourceMgr), Ranges(Ranges.begin(), Ranges.end()) {} 30*e5dd7070Spatrick 31*e5dd7070Spatrick // Determines which lines are affected by the SourceRanges given as input. 32*e5dd7070Spatrick // Returns \c true if at least one line in \p Lines or one of their 33*e5dd7070Spatrick // children is affected. 34*e5dd7070Spatrick bool computeAffectedLines(SmallVectorImpl<AnnotatedLine *> &Lines); 35*e5dd7070Spatrick 36*e5dd7070Spatrick // Returns true if 'Range' intersects with one of the input ranges. 37*e5dd7070Spatrick bool affectsCharSourceRange(const CharSourceRange &Range); 38*e5dd7070Spatrick 39*e5dd7070Spatrick private: 40*e5dd7070Spatrick // Returns true if the range from 'First' to 'Last' intersects with one of the 41*e5dd7070Spatrick // input ranges. 42*e5dd7070Spatrick bool affectsTokenRange(const FormatToken &First, const FormatToken &Last, 43*e5dd7070Spatrick bool IncludeLeadingNewlines); 44*e5dd7070Spatrick 45*e5dd7070Spatrick // Returns true if one of the input ranges intersect the leading empty lines 46*e5dd7070Spatrick // before 'Tok'. 47*e5dd7070Spatrick bool affectsLeadingEmptyLines(const FormatToken &Tok); 48*e5dd7070Spatrick 49*e5dd7070Spatrick // Marks all lines between I and E as well as all their children as affected. 50*e5dd7070Spatrick void markAllAsAffected(SmallVectorImpl<AnnotatedLine *>::iterator I, 51*e5dd7070Spatrick SmallVectorImpl<AnnotatedLine *>::iterator E); 52*e5dd7070Spatrick 53*e5dd7070Spatrick // Determines whether 'Line' is affected by the SourceRanges given as input. 54*e5dd7070Spatrick // Returns \c true if line or one if its children is affected. 55*e5dd7070Spatrick bool nonPPLineAffected(AnnotatedLine *Line, const AnnotatedLine *PreviousLine, 56*e5dd7070Spatrick SmallVectorImpl<AnnotatedLine *> &Lines); 57*e5dd7070Spatrick 58*e5dd7070Spatrick const SourceManager &SourceMgr; 59*e5dd7070Spatrick const SmallVector<CharSourceRange, 8> Ranges; 60*e5dd7070Spatrick }; 61*e5dd7070Spatrick 62*e5dd7070Spatrick } // namespace format 63*e5dd7070Spatrick } // namespace clang 64*e5dd7070Spatrick 65*e5dd7070Spatrick #endif // LLVM_CLANG_LIB_FORMAT_AFFECTEDRANGEMANAGER_H 66