| //===- llvm/Support/StringSaver.h -------------------------------*- C++ -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_SUPPORT_STRINGSAVER_H |
| #define LLVM_SUPPORT_STRINGSAVER_H |
| |
| #include "llvm/ADT/StringRef.h" |
| #include "llvm/ADT/Twine.h" |
| #include "llvm/Support/Allocator.h" |
| |
| namespace llvm { |
| |
| /// \brief Saves strings in the inheritor's stable storage and returns a stable |
| /// raw character pointer. |
| class StringSaver final { |
| BumpPtrAllocator &Alloc; |
| |
| public: |
| StringSaver(BumpPtrAllocator &Alloc) : Alloc(Alloc) {} |
| const char *save(const char *S) { return save(StringRef(S)); } |
| const char *save(StringRef S); |
| const char *save(const Twine &S) { return save(StringRef(S.str())); } |
| const char *save(std::string &S) { return save(StringRef(S)); } |
| }; |
| } |
| #endif |