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e55191f7d5
We already had this functionality in the FixitApplyDiagnosticConsumer, but we also need it in the AST passes because different entries in the API diff data may drive identical fix-its, namely a general type rename, which can occur anywhere a DeclRef appears, but also for function overrides' parameter type changes, which are context specific. rdar://problem/32431533
79 lines
2.5 KiB
C++
79 lines
2.5 KiB
C++
//===--- FixitApplyDiagnosticConsumer.h -------------------------*- C++ -*-===//
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//
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// This source file is part of the Swift.org open source project
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//
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// Copyright (c) 2014 - 2017 Apple Inc. and the Swift project authors
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// Licensed under Apache License v2.0 with Runtime Library Exception
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//
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// See https://swift.org/LICENSE.txt for license information
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// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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//
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//===----------------------------------------------------------------------===//
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//
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// This class records compiler interesting fix-its as textual edits.
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//
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//===----------------------------------------------------------------------===//
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#ifndef SWIFT_MIGRATOR_FIXITAPPLYDIAGNOSTICCONSUMER_H
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#define SWIFT_MIGRATOR_FIXITAPPLYDIAGNOSTICCONSUMER_H
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#include "swift/AST/DiagnosticConsumer.h"
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#include "swift/Migrator/FixitFilter.h"
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#include "swift/Migrator/Migrator.h"
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#include "swift/Migrator/Replacement.h"
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#include "clang/Rewrite/Core/RewriteBuffer.h"
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#include "llvm/ADT/DenseSet.h"
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namespace swift {
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class CompilerInvocation;
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struct DiagnosticInfo;
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struct MigratorOptions;
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class SourceManager;
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namespace migrator {
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struct Replacement;
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class FixitApplyDiagnosticConsumer final
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: public DiagnosticConsumer, public FixitFilter {
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clang::RewriteBuffer RewriteBuf;
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/// The entire text of the input file.
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const StringRef Text;
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/// The name of the buffer, which should be the absolute path of the input
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/// filename.
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const StringRef BufferName;
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/// The number of fix-its pushed into the rewrite buffer. Use this to
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/// determine whether to call `printResult`.
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unsigned NumFixitsApplied;
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/// Tracks previous replacements so we don't pump the rewrite buffer with
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/// multiple equivalent replacements, which can result in weird behavior.
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llvm::SmallSet<Replacement, 32> Replacements;
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public:
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FixitApplyDiagnosticConsumer(const StringRef Text,
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const StringRef BufferName);
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/// Print the resulting text, applying the caught fix-its to the given
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/// output stream.
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void printResult(llvm::raw_ostream &OS) const;
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void handleDiagnostic(SourceManager &SM, SourceLoc Loc,
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DiagnosticKind Kind,
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StringRef FormatString,
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ArrayRef<DiagnosticArgument> FormatArgs,
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const DiagnosticInfo &Info) override;
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unsigned getNumFixitsApplied() const {
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return NumFixitsApplied;
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}
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};
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} // end namespace migrator
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} // end namespace swift
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#endif // SWIFT_MIGRATOR_FIXITAPPLYDIAGNOSTICCONSUMER_H
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