| //===-- SymbolIndexManager.h - Managing multiple SymbolIndices --*- C++ -*-===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_CLANG_TOOLS_EXTRA_INCLUDE_FIXER_SYMBOLINDEXMANAGER_H |
| #define LLVM_CLANG_TOOLS_EXTRA_INCLUDE_FIXER_SYMBOLINDEXMANAGER_H |
| |
| #include "SymbolIndex.h" |
| #include "find-all-symbols/SymbolInfo.h" |
| #include "llvm/ADT/StringRef.h" |
| |
| #ifdef _MSC_VER |
| // Disable warnings from ppltasks.h transitively included by <future>. |
| #pragma warning(push) |
| #pragma warning(disable:4530) |
| #endif |
| |
| #include <future> |
| |
| #ifdef _MSC_VER |
| #pragma warning(pop) |
| #endif |
| |
| namespace clang { |
| namespace include_fixer { |
| |
| /// This class provides an interface for finding the header files corresponding |
| /// to an identifier in the source code from multiple symbol databases. |
| class SymbolIndexManager { |
| public: |
| void addSymbolIndex(std::function<std::unique_ptr<SymbolIndex>()> F) { |
| #if LLVM_ENABLE_THREADS |
| auto Strategy = std::launch::async; |
| #else |
| auto Strategy = std::launch::deferred; |
| #endif |
| SymbolIndices.push_back(std::async(Strategy, F)); |
| } |
| |
| /// Search for header files to be included for an identifier. |
| /// \param Identifier The identifier being searched for. May or may not be |
| /// fully qualified. |
| /// \param IsNestedSearch Whether searching nested classes. If true, the |
| /// method tries to strip identifier name parts from the end until it |
| /// finds the corresponding candidates in database (e.g for identifier |
| /// "b::foo", the method will try to find "b" if it fails to find |
| /// "b::foo"). |
| /// |
| /// \returns A list of symbol candidates. |
| std::vector<find_all_symbols::SymbolInfo> |
| search(llvm::StringRef Identifier, bool IsNestedSearch = true, |
| llvm::StringRef FileName = "") const; |
| |
| private: |
| std::vector<std::shared_future<std::unique_ptr<SymbolIndex>>> SymbolIndices; |
| }; |
| |
| } // namespace include_fixer |
| } // namespace clang |
| |
| #endif |