1 //===- ExtractAPI/APIIgnoresList.cpp -------*- 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 /// \file 10 /// This file implements APIIgnoresList that allows users to specifiy a file 11 /// containing symbols to ignore during API extraction. 12 /// 13 //===----------------------------------------------------------------------===// 14 15 #include "clang/ExtractAPI/APIIgnoresList.h" 16 #include "clang/Basic/FileManager.h" 17 #include "llvm/ADT/STLExtras.h" 18 #include "llvm/Support/Error.h" 19 20 using namespace clang; 21 using namespace clang::extractapi; 22 using namespace llvm; 23 24 char IgnoresFileNotFound::ID; 25 26 void IgnoresFileNotFound::log(llvm::raw_ostream &os) const { 27 os << "Could not find API ignores file " << Path; 28 } 29 30 std::error_code IgnoresFileNotFound::convertToErrorCode() const { 31 return llvm::inconvertibleErrorCode(); 32 } 33 34 Expected<APIIgnoresList> APIIgnoresList::create(StringRef IgnoresFilePath, 35 FileManager &FM) { 36 auto BufferOrErr = FM.getBufferForFile(IgnoresFilePath); 37 if (!BufferOrErr) 38 return make_error<IgnoresFileNotFound>(IgnoresFilePath); 39 40 auto Buffer = std::move(BufferOrErr.get()); 41 SmallVector<StringRef, 32> Lines; 42 Buffer->getBuffer().split(Lines, '\n', /*MaxSplit*/ -1, /*KeepEmpty*/ false); 43 // Symbol names don't have spaces in them, let's just remove these in case the 44 // input is slighlty malformed. 45 transform(Lines, Lines.begin(), [](StringRef Line) { return Line.trim(); }); 46 sort(Lines); 47 return APIIgnoresList(std::move(Lines), std::move(Buffer)); 48 } 49 50 bool APIIgnoresList::shouldIgnore(StringRef SymbolName) const { 51 auto It = lower_bound(SymbolsToIgnore, SymbolName); 52 return (It != SymbolsToIgnore.end()) && (*It == SymbolName); 53 } 54