lib/Support/Options.cpp

   1 //===- llvm/Support/Options.cpp - Debug options support ---------*- 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 // This file implements the helper objects for defining debug options using the
  10 // new API built on cl::opt, but not requiring the use of static globals.
  11 //
  12 //===----------------------------------------------------------------------===//
  13
  14 #include "llvm/Support/Options.h"
  15 #include "llvm/Support/ManagedStatic.h"
  16
  17 using namespace llvm;
  18
  19 OptionRegistry::~OptionRegistry() {
  20   for (auto IT = Options.begin(); IT != Options.end(); ++IT)
  21     delete IT->second;
  22 }
  23
  24 void OptionRegistry::addOption(void *Key, cl::Option *O) {
  25   assert(Options.find(Key) == Options.end() &&
  26          "Argument with this key already registerd");
  27   Options.insert(std::make_pair(Key, O));
  28 }
  29
  30 static ManagedStatic<OptionRegistry> OR;
  31
  32 OptionRegistry &OptionRegistry::instance() { return *OR; }