1 //===- RemarkFormat.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 // Implementation of utilities to handle the different remark formats. 10 // 11 //===----------------------------------------------------------------------===// 12 13 #include "llvm/Remarks/RemarkFormat.h" 14 #include "llvm/ADT/StringSwitch.h" 15 #include "llvm/Remarks/BitstreamRemarkContainer.h" 16 17 using namespace llvm; 18 using namespace llvm::remarks; 19 20 Expected<Format> llvm::remarks::parseFormat(StringRef FormatStr) { 21 auto Result = StringSwitch<Format>(FormatStr) 22 .Cases("", "yaml", Format::YAML) 23 .Case("yaml-strtab", Format::YAMLStrTab) 24 .Case("bitstream", Format::Bitstream) 25 .Default(Format::Unknown); 26 27 if (Result == Format::Unknown) 28 return createStringError(std::make_error_code(std::errc::invalid_argument), 29 "Unknown remark format: '%s'", 30 FormatStr.data()); 31 32 return Result; 33 } 34 35 Expected<Format> llvm::remarks::magicToFormat(StringRef MagicStr) { 36 auto Result = 37 StringSwitch<Format>(MagicStr) 38 .StartsWith("--- ", Format::YAML) // This is only an assumption. 39 .StartsWith(remarks::Magic, Format::YAMLStrTab) 40 .StartsWith(remarks::ContainerMagic, Format::Bitstream) 41 .Default(Format::Unknown); 42 43 if (Result == Format::Unknown) 44 return createStringError(std::make_error_code(std::errc::invalid_argument), 45 "Unknown remark magic: '%s'", MagicStr.data()); 46 return Result; 47 } 48