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1//===--- HeaderSourceSwitch.h - ----------------------------------*- C++-*-===//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-exception6//7//===----------------------------------------------------------------------===//8 9#ifndef LLVM_CLANG_TOOLS_EXTRA_CLANGD_HEADERSOURCESWITCH_H10#define LLVM_CLANG_TOOLS_EXTRA_CLANGD_HEADERSOURCESWITCH_H11 12#include "ParsedAST.h"13#include <optional>14 15namespace clang {16namespace clangd {17 18/// Given a header file, returns the best matching source file, and vice visa.19/// It only uses the filename heuristics to do the inference.20std::optional<Path> getCorrespondingHeaderOrSource(21 PathRef OriginalFile, llvm::IntrusiveRefCntPtr<llvm::vfs::FileSystem> VFS);22 23/// Given a header file, returns the best matching source file, and vice visa.24/// The heuristics incorporate with the AST and the index (if provided).25std::optional<Path> getCorrespondingHeaderOrSource(PathRef OriginalFile,26 ParsedAST &AST,27 const SymbolIndex *Index);28 29/// Returns all indexable decls that are present in the main file of the AST.30/// Exposed for unittests.31std::vector<const Decl *> getIndexableLocalDecls(ParsedAST &AST);32 33} // namespace clangd34} // namespace clang35 36#endif // LLVM_CLANG_TOOLS_EXTRA_CLANGD_HEADERSOURCESWITCH_H37