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-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 #ifndef LLVM_CLANG_TOOLS_EXTRA_UNITTESTS_CLANGD_HEADERSOURCESWITCH_H
10 #define LLVM_CLANG_TOOLS_EXTRA_UNITTESTS_CLANGD_HEADERSOURCESWITCH_H
11 
12 #include "ParsedAST.h"
13 #include "llvm/ADT/Optional.h"
14 
15 namespace clang {
16 namespace 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.
20 llvm::Optional<Path> getCorrespondingHeaderOrSource(
21     const Path &OriginalFile,
22     llvm::IntrusiveRefCntPtr<llvm::vfs::FileSystem> VFS);
23 
24 /// Given a header file, returns the best matching source file, and vice visa.
25 /// The heuristics incorporate with the AST and the index (if provided).
26 llvm::Optional<Path> getCorrespondingHeaderOrSource(const Path &OriginalFile,
27                                                     ParsedAST &AST,
28                                                     const SymbolIndex *Index);
29 
30 /// Returns all indexable decls that are present in the main file of the AST.
31 /// Exposed for unittests.
32 std::vector<const Decl *> getIndexableLocalDecls(ParsedAST &AST);
33 
34 } // namespace clangd
35 } // namespace clang
36 
37 #endif // LLVM_CLANG_TOOLS_EXTRA_UNITTESTS_CLANGD_HEADERSOURCESWITCH_H
38