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to reflect the new license. We understand that people may be surprised that we're moving the header entirely to discuss the new license. We checked this carefully with the Foundation's lawyer and we believe this is the correct approach. Essentially, all code in the project is now made available by the LLVM project under our new license, so you will see that the license headers include that license only. Some of our contributors have contributed code under our old license, and accordingly, we have retained a copy of our old license notice in the top-level files in each project and repository. llvm-svn: 351636
66 lines
2.4 KiB
C++
66 lines
2.4 KiB
C++
//===--- 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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