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
17static llvm::cl::list<std::string> APINotes(llvm::cl::Positional,
18 llvm::cl::desc("[<apinotes> ...]"),
19 llvm::cl::Required);
20
21static llvm::cl::opt<std::string>
22 OutputFileName("o", llvm::cl::desc("output filename"),
23 llvm::cl::value_desc("filename"), llvm::cl::init(Val: "-"));
24
25int main(int argc, const char **argv) {
26 const bool DisableCrashReporting = true;
27 llvm::sys::PrintStackTraceOnErrorSignal(Argv0: argv[0], DisableCrashReporting);
28 llvm::cl::ParseCommandLineOptions(argc, argv);
29
30 auto Error = [](const llvm::Twine &Msg) {
31 llvm::WithColor::error(OS&: llvm::errs(), Prefix: "apinotes-test") << Msg << '\n';
32 };
33
34 std::error_code EC;
35 auto Out = std::make_unique<llvm::ToolOutputFile>(args&: OutputFileName, args&: EC,
36 args: 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(Filename: 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(YI: (*NotesOrError)->getBuffer(),
51 OS&: Out->os());
52 }
53
54 return EXIT_SUCCESS;
55}
56

source code of clang/tools/apinotes-test/APINotesTest.cpp