1 //===-- APINotesTest.cpp - API Notes Testing Tool ------------------ 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 #include "clang/APINotes/APINotesYAMLCompiler.h" 10 #include "llvm/Support/CommandLine.h" 11 #include "llvm/Support/FileSystem.h" 12 #include "llvm/Support/MemoryBuffer.h" 13 #include "llvm/Support/Signals.h" 14 #include "llvm/Support/ToolOutputFile.h" 15 #include "llvm/Support/WithColor.h" 16 17 static llvm::cl::list<std::string> APINotes(llvm::cl::Positional, 18 llvm::cl::desc("[<apinotes> ...]"), 19 llvm::cl::Required); 20 21 static llvm::cl::opt<std::string> 22 OutputFileName("o", llvm::cl::desc("output filename"), 23 llvm::cl::value_desc("filename"), llvm::cl::init("-")); 24 25 int main(int argc, const char **argv) { 26 const bool DisableCrashReporting = true; 27 llvm::sys::PrintStackTraceOnErrorSignal(argv[0], DisableCrashReporting); 28 llvm::cl::ParseCommandLineOptions(argc, argv); 29 30 auto Error = [](const llvm::Twine &Msg) { 31 llvm::WithColor::error(llvm::errs(), "apinotes-test") << Msg << '\n'; 32 }; 33 34 std::error_code EC; 35 auto Out = std::make_unique<llvm::ToolOutputFile>(OutputFileName, EC, 36 llvm::sys::fs::OF_None); 37 if (EC) { 38 Error("failed to open '" + OutputFileName + "': " + EC.message()); 39 return EXIT_FAILURE; 40 } 41 42 for (const std::string &Notes : APINotes) { 43 llvm::ErrorOr<std::unique_ptr<llvm::MemoryBuffer>> NotesOrError = 44 llvm::MemoryBuffer::getFileOrSTDIN(Notes); 45 if (std::error_code EC = NotesOrError.getError()) { 46 llvm::errs() << EC.message() << '\n'; 47 return EXIT_FAILURE; 48 } 49 50 clang::api_notes::parseAndDumpAPINotes((*NotesOrError)->getBuffer(), 51 Out->os()); 52 } 53 54 return EXIT_SUCCESS; 55 } 56