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//===--- MemIndex.h - Dynamic in-memory symbol index. -------------- C++-*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CLANG_TOOLS_EXTRA_CLANGD_INDEX_MEMINDEX_H
#define LLVM_CLANG_TOOLS_EXTRA_CLANGD_INDEX_MEMINDEX_H
#include "Index.h"
#include <mutex>
namespace clang {
namespace clangd {
/// \brief This implements an index for a (relatively small) set of symbols that
/// can be easily managed in memory.
class MemIndex : public SymbolIndex {
public:
/// \brief (Re-)Build index for `Symbols`. All symbol pointers must remain
/// accessible as long as `Symbols` is kept alive.
void build(std::shared_ptr<std::vector<const Symbol *>> Symbols);
bool
fuzzyFind(const Context &Ctx, const FuzzyFindRequest &Req,
llvm::function_ref<void(const Symbol &)> Callback) const override;
private:
std::shared_ptr<std::vector<const Symbol *>> Symbols;
// Index is a set of symbols that are deduplicated by symbol IDs.
// FIXME: build smarter index structure.
llvm::DenseMap<SymbolID, const Symbol *> Index;
mutable std::mutex Mutex;
};
} // namespace clangd
} // namespace clang
#endif // LLVM_CLANG_TOOLS_EXTRA_CLANGD_INDEX_MEMINDEX_H
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