1 //===-- FileRemapper.h - File Remapping Helper ------------------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 #ifndef LLVM_CLANG_ARCMIGRATE_FILEREMAPPER_H
11 #define LLVM_CLANG_ARCMIGRATE_FILEREMAPPER_H
13 #include "llvm/ADT/OwningPtr.h"
14 #include "llvm/ADT/PointerUnion.h"
15 #include "llvm/ADT/DenseMap.h"
16 #include "llvm/ADT/StringRef.h"
26 class CompilerInvocation;
31 // FIXME: Reuse the same FileManager for multiple ASTContexts.
32 llvm::OwningPtr<FileManager> FileMgr;
34 typedef llvm::PointerUnion<const FileEntry *, llvm::MemoryBuffer *> Target;
35 typedef llvm::DenseMap<const FileEntry *, Target> MappingsTy;
36 MappingsTy FromToMappings;
38 llvm::DenseMap<const FileEntry *, const FileEntry *> ToFromMappings;
44 bool initFromDisk(llvm::StringRef outputDir, Diagnostic &Diag,
45 bool ignoreIfFilesChanged);
46 bool flushToDisk(llvm::StringRef outputDir, Diagnostic &Diag);
48 bool overwriteOriginal(Diagnostic &Diag,
49 llvm::StringRef outputDir = llvm::StringRef());
51 void remap(llvm::StringRef filePath, llvm::MemoryBuffer *memBuf);
52 void remap(llvm::StringRef filePath, llvm::StringRef newPath);
54 void applyMappings(CompilerInvocation &CI) const;
56 void transferMappingsAndClear(CompilerInvocation &CI);
58 void clear(llvm::StringRef outputDir = llvm::StringRef());
61 void remap(const FileEntry *file, llvm::MemoryBuffer *memBuf);
62 void remap(const FileEntry *file, const FileEntry *newfile);
64 const FileEntry *getOriginalFile(llvm::StringRef filePath);
65 void resetTarget(Target &targ);
67 bool report(const std::string &err, Diagnostic &Diag);
69 std::string getRemapInfoFile(llvm::StringRef outputDir);
72 } // end namespace arcmt
74 } // end namespace clang