xref: /llvm-project/clang-tools-extra/clangd/FeatureModule.cpp (revision 94460f513654da2ee6e759db2804e73001818de5)
1 //===--- FeatureModule.cpp - Plugging features into clangd ----------------===//
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 #include "FeatureModule.h"
10 #include "support/Logger.h"
11 
12 namespace clang {
13 namespace clangd {
14 
initialize(const Facilities & F)15 void FeatureModule::initialize(const Facilities &F) {
16   assert(!Fac && "Initialized twice");
17   Fac.emplace(F);
18 }
19 
facilities()20 FeatureModule::Facilities &FeatureModule::facilities() {
21   assert(Fac && "Not initialized yet");
22   return *Fac;
23 }
24 
addImpl(void * Key,std::unique_ptr<FeatureModule> M,const char * Source)25 bool FeatureModuleSet::addImpl(void *Key, std::unique_ptr<FeatureModule> M,
26                                const char *Source) {
27   if (!Map.try_emplace(Key, M.get()).second) {
28     // Source should (usually) include the name of the concrete module type.
29     elog("Tried to register duplicate feature modules via {0}", Source);
30     return false;
31   }
32   Modules.push_back(std::move(M));
33   return true;
34 }
35 
36 } // namespace clangd
37 } // namespace clang
38