1 //===- llvm/Support/Options.cpp - Debug options support ---------*- C++ -*-===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 //
10 // This file implements the helper objects for defining debug options using the
11 // new API built on cl::opt, but not requiring the use of static globals.
12 //
13 //===----------------------------------------------------------------------===//
14 
15 #include "llvm/Support/Options.h"
16 #include "llvm/Support/ManagedStatic.h"
17 
18 using namespace llvm;
19 
~OptionRegistry()20 OptionRegistry::~OptionRegistry() {
21   for (auto IT = Options.begin(); IT != Options.end(); ++IT)
22     delete IT->second;
23 }
24 
addOption(void * Key,cl::Option * O)25 void OptionRegistry::addOption(void *Key, cl::Option *O) {
26   assert(Options.find(Key) == Options.end() &&
27          "Argument with this key already registerd");
28   Options.insert(std::make_pair(Key, O));
29 }
30 
31 static ManagedStatic<OptionRegistry> OR;
32 
instance()33 OptionRegistry &OptionRegistry::instance() { return *OR; }
34