lib/Target/NVPTX/ManagedStringPool.h

   1 //===-- ManagedStringPool.h - Managed String Pool ---------------*- C++ -*-===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8 //
   9 // The strings allocated from a managed string pool are owned by the string
  10 // pool and will be deleted together with the managed string pool.
  11 //
  12 //===----------------------------------------------------------------------===//
  13
  14 #ifndef LLVM_LIB_TARGET_NVPTX_MANAGEDSTRINGPOOL_H
  15 #define LLVM_LIB_TARGET_NVPTX_MANAGEDSTRINGPOOL_H
  16
  17 #include "llvm/ADT/SmallVector.h"
  18 #include <string>
  19
  20 namespace llvm {
  21
  22 /// ManagedStringPool - The strings allocated from a managed string pool are
  23 /// owned by the string pool and will be deleted together with the managed
  24 /// string pool.
  25 class ManagedStringPool {
  26   SmallVector<std::string *, 8> Pool;
  27
  28 public:
  29   ManagedStringPool() = default;
  30
  31   ~ManagedStringPool() {
  32     SmallVectorImpl<std::string *>::iterator Current = Pool.begin();
  33     while (Current != Pool.end()) {
  34       delete *Current;
  35       Current++;
  36     }
  37   }
  38
  39   std::string *getManagedString(const char *S) {
  40     std::string *Str = new std::string(S);
  41     Pool.push_back(Str);
  42     return Str;
  43   }
  44 };
  45
  46 } // end namespace llvm
  47
  48 #endif // LLVM_LIB_TARGET_NVPTX_MANAGEDSTRINGPOOL_H