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-rw-r--r--include/clang/Rewrite/Frontend/FixItRewriter.h132
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diff --git a/include/clang/Rewrite/Frontend/FixItRewriter.h b/include/clang/Rewrite/Frontend/FixItRewriter.h
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-//===--- FixItRewriter.h - Fix-It Rewriter Diagnostic Client ----*- C++ -*-===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This is a diagnostic client adaptor that performs rewrites as
-// suggested by code modification hints attached to diagnostics. It
-// then forwards any diagnostics to the adapted diagnostic client.
-//
-//===----------------------------------------------------------------------===//
-#ifndef LLVM_CLANG_REWRITE_FRONTEND_FIXITREWRITER_H
-#define LLVM_CLANG_REWRITE_FRONTEND_FIXITREWRITER_H
-
-#include "clang/Basic/Diagnostic.h"
-#include "clang/Basic/SourceLocation.h"
-#include "clang/Edit/EditedSource.h"
-#include "clang/Rewrite/Core/Rewriter.h"
-
-namespace clang {
-
-class SourceManager;
-class FileEntry;
-
-class FixItOptions {
-public:
- FixItOptions() : InPlace(false), FixWhatYouCan(false),
- FixOnlyWarnings(false), Silent(false) { }
-
- virtual ~FixItOptions();
-
- /// \brief This file is about to be rewritten. Return the name of the file
- /// that is okay to write to.
- ///
- /// \param fd out parameter for file descriptor. After the call it may be set
- /// to an open file descriptor for the returned filename, or it will be -1
- /// otherwise.
- ///
- virtual std::string RewriteFilename(const std::string &Filename, int &fd) = 0;
-
- /// True if files should be updated in place. RewriteFilename is only called
- /// if this is false.
- bool InPlace;
-
- /// \brief Whether to abort fixing a file when not all errors could be fixed.
- bool FixWhatYouCan;
-
- /// \brief Whether to only fix warnings and not errors.
- bool FixOnlyWarnings;
-
- /// \brief If true, only pass the diagnostic to the actual diagnostic consumer
- /// if it is an error or a fixit was applied as part of the diagnostic.
- /// It basically silences warnings without accompanying fixits.
- bool Silent;
-};
-
-class FixItRewriter : public DiagnosticConsumer {
- /// \brief The diagnostics machinery.
- DiagnosticsEngine &Diags;
-
- edit::EditedSource Editor;
-
- /// \brief The rewriter used to perform the various code
- /// modifications.
- Rewriter Rewrite;
-
- /// \brief The diagnostic client that performs the actual formatting
- /// of error messages.
- DiagnosticConsumer *Client;
- std::unique_ptr<DiagnosticConsumer> Owner;
-
- /// \brief Turn an input path into an output path. NULL implies overwriting
- /// the original.
- FixItOptions *FixItOpts;
-
- /// \brief The number of rewriter failures.
- unsigned NumFailures;
-
- /// \brief Whether the previous diagnostic was not passed to the consumer.
- bool PrevDiagSilenced;
-
-public:
- typedef Rewriter::buffer_iterator iterator;
-
- /// \brief Initialize a new fix-it rewriter.
- FixItRewriter(DiagnosticsEngine &Diags, SourceManager &SourceMgr,
- const LangOptions &LangOpts, FixItOptions *FixItOpts);
-
- /// \brief Destroy the fix-it rewriter.
- ~FixItRewriter() override;
-
- /// \brief Check whether there are modifications for a given file.
- bool IsModified(FileID ID) const {
- return Rewrite.getRewriteBufferFor(ID) != nullptr;
- }
-
- // Iteration over files with changes.
- iterator buffer_begin() { return Rewrite.buffer_begin(); }
- iterator buffer_end() { return Rewrite.buffer_end(); }
-
- /// \brief Write a single modified source file.
- ///
- /// \returns true if there was an error, false otherwise.
- bool WriteFixedFile(FileID ID, raw_ostream &OS);
-
- /// \brief Write the modified source files.
- ///
- /// \returns true if there was an error, false otherwise.
- bool WriteFixedFiles(
- std::vector<std::pair<std::string, std::string> > *RewrittenFiles=nullptr);
-
- /// IncludeInDiagnosticCounts - This method (whose default implementation
- /// returns true) indicates whether the diagnostics handled by this
- /// DiagnosticConsumer should be included in the number of diagnostics
- /// reported by DiagnosticsEngine.
- bool IncludeInDiagnosticCounts() const override;
-
- /// HandleDiagnostic - Handle this diagnostic, reporting it to the user or
- /// capturing it to a log as needed.
- void HandleDiagnostic(DiagnosticsEngine::Level DiagLevel,
- const Diagnostic &Info) override;
-
- /// \brief Emit a diagnostic via the adapted diagnostic client.
- void Diag(SourceLocation Loc, unsigned DiagID);
-};
-
-}
-
-#endif
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