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