123 lines
4.4 KiB
C++
123 lines
4.4 KiB
C++
//===-- ARCMT.h - ARC Migration Rewriter ------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_CLANG_ARCMIGRATE_ARCMT_H
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#define LLVM_CLANG_ARCMIGRATE_ARCMT_H
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#include "clang/ARCMigrate/FileRemapper.h"
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#include "clang/Frontend/CompilerInvocation.h"
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namespace clang {
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class ASTContext;
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class DiagnosticConsumer;
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namespace arcmt {
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class MigrationPass;
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/// \brief Creates an AST with the provided CompilerInvocation but with these
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/// changes:
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/// -if a PCH/PTH is set, the original header is used instead
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/// -Automatic Reference Counting mode is enabled
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///
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/// It then checks the AST and produces errors/warning for ARC migration issues
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/// that the user needs to handle manually.
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///
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/// \param emitPremigrationARCErrors if true all ARC errors will get emitted
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/// even if the migrator can fix them, but the function will still return false
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/// if all ARC errors can be fixed.
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///
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/// \param plistOut if non-empty, it is the file path to store the plist with
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/// the pre-migration ARC diagnostics.
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///
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/// \returns false if no error is produced, true otherwise.
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bool checkForManualIssues(CompilerInvocation &CI,
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const FrontendInputFile &Input,
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DiagnosticConsumer *DiagClient,
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bool emitPremigrationARCErrors = false,
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StringRef plistOut = StringRef());
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/// \brief Works similar to checkForManualIssues but instead of checking, it
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/// applies automatic modifications to source files to conform to ARC.
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///
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/// \returns false if no error is produced, true otherwise.
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bool applyTransformations(CompilerInvocation &origCI,
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const FrontendInputFile &Input,
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DiagnosticConsumer *DiagClient);
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/// \brief Applies automatic modifications and produces temporary files
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/// and metadata into the \arg outputDir path.
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///
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/// \param emitPremigrationARCErrors if true all ARC errors will get emitted
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/// even if the migrator can fix them, but the function will still return false
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/// if all ARC errors can be fixed.
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///
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/// \param plistOut if non-empty, it is the file path to store the plist with
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/// the pre-migration ARC diagnostics.
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///
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/// \returns false if no error is produced, true otherwise.
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bool migrateWithTemporaryFiles(CompilerInvocation &origCI,
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const FrontendInputFile &Input,
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DiagnosticConsumer *DiagClient,
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StringRef outputDir,
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bool emitPremigrationARCErrors,
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StringRef plistOut);
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/// \brief Get the set of file remappings from the \arg outputDir path that
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/// migrateWithTemporaryFiles produced.
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///
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/// \returns false if no error is produced, true otherwise.
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bool getFileRemappings(std::vector<std::pair<std::string,std::string> > &remap,
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StringRef outputDir,
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DiagnosticConsumer *DiagClient);
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/// \brief Get the set of file remappings from a list of files with remapping
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/// info.
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///
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/// \returns false if no error is produced, true otherwise.
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bool getFileRemappingsFromFileList(
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std::vector<std::pair<std::string,std::string> > &remap,
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ArrayRef<StringRef> remapFiles,
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DiagnosticConsumer *DiagClient);
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typedef void (*TransformFn)(MigrationPass &pass);
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std::vector<TransformFn> getAllTransformations(LangOptions::GCMode OrigGCMode,
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bool NoFinalizeRemoval);
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class MigrationProcess {
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CompilerInvocation OrigCI;
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DiagnosticConsumer *DiagClient;
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FileRemapper Remapper;
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public:
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MigrationProcess(const CompilerInvocation &CI, DiagnosticConsumer *diagClient,
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StringRef outputDir = StringRef());
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class RewriteListener {
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public:
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virtual ~RewriteListener();
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virtual void start(ASTContext &Ctx) { }
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virtual void finish() { }
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virtual void insert(SourceLocation loc, StringRef text) { }
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virtual void remove(CharSourceRange range) { }
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};
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bool applyTransform(TransformFn trans, RewriteListener *listener = 0);
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FileRemapper &getRemapper() { return Remapper; }
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};
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} // end namespace arcmt
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} // end namespace clang
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#endif
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