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66 lines
2.4 KiB
66 lines
2.4 KiB
4 months ago
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//===--- AffectedRangeManager.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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/// AffectedRangeManager class manages affected ranges in the code.
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///
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_CLANG_LIB_FORMAT_AFFECTEDRANGEMANAGER_H
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#define LLVM_CLANG_LIB_FORMAT_AFFECTEDRANGEMANAGER_H
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#include "clang/Basic/SourceManager.h"
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namespace clang {
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namespace format {
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struct FormatToken;
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class AnnotatedLine;
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class AffectedRangeManager {
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public:
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AffectedRangeManager(const SourceManager &SourceMgr,
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const ArrayRef<CharSourceRange> Ranges)
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: SourceMgr(SourceMgr), Ranges(Ranges.begin(), Ranges.end()) {}
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// Determines which lines are affected by the SourceRanges given as input.
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// Returns \c true if at least one line in \p Lines or one of their
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// children is affected.
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bool computeAffectedLines(SmallVectorImpl<AnnotatedLine *> &Lines);
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// Returns true if 'Range' intersects with one of the input ranges.
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bool affectsCharSourceRange(const CharSourceRange &Range);
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private:
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// Returns true if the range from 'First' to 'Last' intersects with one of the
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// input ranges.
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bool affectsTokenRange(const FormatToken &First, const FormatToken &Last,
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bool IncludeLeadingNewlines);
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// Returns true if one of the input ranges intersect the leading empty lines
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// before 'Tok'.
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bool affectsLeadingEmptyLines(const FormatToken &Tok);
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// Marks all lines between I and E as well as all their children as affected.
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void markAllAsAffected(SmallVectorImpl<AnnotatedLine *>::iterator I,
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SmallVectorImpl<AnnotatedLine *>::iterator E);
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// Determines whether 'Line' is affected by the SourceRanges given as input.
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// Returns \c true if line or one if its children is affected.
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bool nonPPLineAffected(AnnotatedLine *Line, const AnnotatedLine *PreviousLine,
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SmallVectorImpl<AnnotatedLine *> &Lines);
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const SourceManager &SourceMgr;
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const SmallVector<CharSourceRange, 8> Ranges;
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};
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} // namespace format
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} // namespace clang
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#endif // LLVM_CLANG_LIB_FORMAT_AFFECTEDRANGEMANAGER_H
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