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1 //===-- YamlSymbolIndex.cpp -----------------------------------------------===//
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2 //
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3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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4 // See https://llvm.org/LICENSE.txt for license information.
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5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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6 //
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7 //===----------------------------------------------------------------------===//
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8
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9 #include "YamlSymbolIndex.h"
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10 #include "llvm/ADT/SmallVector.h"
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11 #include "llvm/Support/Errc.h"
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12 #include "llvm/Support/FileSystem.h"
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13 #include "llvm/Support/MemoryBuffer.h"
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14 #include "llvm/Support/Path.h"
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15 #include <string>
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16 #include <vector>
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17
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18 using clang::find_all_symbols::SymbolInfo;
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19 using clang::find_all_symbols::SymbolAndSignals;
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20
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21 namespace clang {
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22 namespace include_fixer {
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23
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24 llvm::ErrorOr<std::unique_ptr<YamlSymbolIndex>>
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25 YamlSymbolIndex::createFromFile(llvm::StringRef FilePath) {
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26 auto Buffer = llvm::MemoryBuffer::getFile(FilePath);
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27 if (!Buffer)
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28 return Buffer.getError();
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29
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30 return std::unique_ptr<YamlSymbolIndex>(new YamlSymbolIndex(
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31 find_all_symbols::ReadSymbolInfosFromYAML(Buffer.get()->getBuffer())));
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32 }
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33
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34 llvm::ErrorOr<std::unique_ptr<YamlSymbolIndex>>
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35 YamlSymbolIndex::createFromDirectory(llvm::StringRef Directory,
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36 llvm::StringRef Name) {
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37 // Walk upwards from Directory, looking for files.
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38 for (llvm::SmallString<128> PathStorage = Directory; !Directory.empty();
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39 Directory = llvm::sys::path::parent_path(Directory)) {
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40 assert(Directory.size() <= PathStorage.size());
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41 PathStorage.resize(Directory.size()); // Shrink to parent.
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42 llvm::sys::path::append(PathStorage, Name);
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43 if (auto DB = createFromFile(PathStorage))
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44 return DB;
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45 }
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46 return llvm::make_error_code(llvm::errc::no_such_file_or_directory);
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47 }
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48
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49 std::vector<SymbolAndSignals>
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50 YamlSymbolIndex::search(llvm::StringRef Identifier) {
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51 std::vector<SymbolAndSignals> Results;
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52 for (const auto &Symbol : Symbols) {
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53 if (Symbol.Symbol.getName() == Identifier)
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54 Results.push_back(Symbol);
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55 }
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56 return Results;
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57 }
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58
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59 } // namespace include_fixer
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60 } // namespace clang
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