| 1 | //===-- YamlSymbolIndex.cpp -----------------------------------------------===// |
|---|---|
| 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 | #include "YamlSymbolIndex.h" |
| 10 | #include "llvm/ADT/SmallVector.h" |
| 11 | #include "llvm/Support/Errc.h" |
| 12 | #include "llvm/Support/FileSystem.h" |
| 13 | #include "llvm/Support/MemoryBuffer.h" |
| 14 | #include "llvm/Support/Path.h" |
| 15 | #include <string> |
| 16 | #include <vector> |
| 17 | |
| 18 | using clang::find_all_symbols::SymbolAndSignals; |
| 19 | |
| 20 | namespace clang { |
| 21 | namespace include_fixer { |
| 22 | |
| 23 | llvm::ErrorOr<std::unique_ptr<YamlSymbolIndex>> |
| 24 | YamlSymbolIndex::createFromFile(llvm::StringRef FilePath) { |
| 25 | auto Buffer = llvm::MemoryBuffer::getFile(Filename: FilePath, /*IsText=*/true); |
| 26 | if (!Buffer) |
| 27 | return Buffer.getError(); |
| 28 | |
| 29 | return std::unique_ptr<YamlSymbolIndex>(new YamlSymbolIndex( |
| 30 | find_all_symbols::ReadSymbolInfosFromYAML(Yaml: Buffer.get()->getBuffer()))); |
| 31 | } |
| 32 | |
| 33 | llvm::ErrorOr<std::unique_ptr<YamlSymbolIndex>> |
| 34 | YamlSymbolIndex::createFromDirectory(llvm::StringRef Directory, |
| 35 | llvm::StringRef Name) { |
| 36 | // Walk upwards from Directory, looking for files. |
| 37 | for (llvm::SmallString<128> PathStorage = Directory; !Directory.empty(); |
| 38 | Directory = llvm::sys::path::parent_path(path: Directory)) { |
| 39 | assert(Directory.size() <= PathStorage.size()); |
| 40 | PathStorage.resize(N: Directory.size()); // Shrink to parent. |
| 41 | llvm::sys::path::append(path&: PathStorage, a: Name); |
| 42 | if (auto DB = createFromFile(FilePath: PathStorage)) |
| 43 | return DB; |
| 44 | } |
| 45 | return llvm::make_error_code(E: llvm::errc::no_such_file_or_directory); |
| 46 | } |
| 47 | |
| 48 | std::vector<SymbolAndSignals> |
| 49 | YamlSymbolIndex::search(llvm::StringRef Identifier) { |
| 50 | std::vector<SymbolAndSignals> Results; |
| 51 | for (const auto &Symbol : Symbols) { |
| 52 | if (Symbol.Symbol.getName() == Identifier) |
| 53 | Results.push_back(x: Symbol); |
| 54 | } |
| 55 | return Results; |
| 56 | } |
| 57 | |
| 58 | } // namespace include_fixer |
| 59 | } // namespace clang |
| 60 |