101095a5dSDimitry Andric //===- Error.cpp - system_error extensions for PDB --------------*- C++ -*-===// 201095a5dSDimitry Andric // 3e6d15924SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4e6d15924SDimitry Andric // See https://llvm.org/LICENSE.txt for license information. 5e6d15924SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 601095a5dSDimitry Andric // 701095a5dSDimitry Andric //===----------------------------------------------------------------------===// 801095a5dSDimitry Andric 901095a5dSDimitry Andric #include "llvm/DebugInfo/PDB/GenericError.h" 1001095a5dSDimitry Andric #include "llvm/Support/ErrorHandling.h" 1101095a5dSDimitry Andric 1201095a5dSDimitry Andric using namespace llvm; 1301095a5dSDimitry Andric using namespace llvm::pdb; 1401095a5dSDimitry Andric 15e6d15924SDimitry Andric namespace { 1601095a5dSDimitry Andric // FIXME: This class is only here to support the transition to llvm::Error. It 1701095a5dSDimitry Andric // will be removed once this transition is complete. Clients should prefer to 1801095a5dSDimitry Andric // deal with the Error value directly, rather than converting to error_code. 19d8e91e46SDimitry Andric class PDBErrorCategory : public std::error_category { 2001095a5dSDimitry Andric public: name() const21b915e9e0SDimitry Andric const char *name() const noexcept override { return "llvm.pdb"; } message(int Condition) const2201095a5dSDimitry Andric std::string message(int Condition) const override { 23d8e91e46SDimitry Andric switch (static_cast<pdb_error_code>(Condition)) { 24d8e91e46SDimitry Andric case pdb_error_code::unspecified: 2501095a5dSDimitry Andric return "An unknown error has occurred."; 26d8e91e46SDimitry Andric case pdb_error_code::dia_sdk_not_present: 2701095a5dSDimitry Andric return "LLVM was not compiled with support for DIA. This usually means " 28eb11fae6SDimitry Andric "that you are not using MSVC, or your Visual Studio " 29d8e91e46SDimitry Andric "installation is corrupt."; 30d8e91e46SDimitry Andric case pdb_error_code::dia_failed_loading: 31d8e91e46SDimitry Andric return "DIA is only supported when using MSVC."; 32d8e91e46SDimitry Andric case pdb_error_code::invalid_utf8_path: 33d8e91e46SDimitry Andric return "The PDB file path is an invalid UTF8 sequence."; 34d8e91e46SDimitry Andric case pdb_error_code::signature_out_of_date: 35d8e91e46SDimitry Andric return "The signature does not match; the file(s) might be out of date."; 361d5ae102SDimitry Andric case pdb_error_code::no_matching_pch: 371d5ae102SDimitry Andric return "No matching precompiled header could be located."; 3801095a5dSDimitry Andric } 3901095a5dSDimitry Andric llvm_unreachable("Unrecognized generic_error_code"); 4001095a5dSDimitry Andric } 4101095a5dSDimitry Andric }; 42e6d15924SDimitry Andric } // namespace 4301095a5dSDimitry Andric PDBErrCategory()441f917f69SDimitry Andricconst std::error_category &llvm::pdb::PDBErrCategory() { 451f917f69SDimitry Andric static PDBErrorCategory PDBCategory; 461f917f69SDimitry Andric return PDBCategory; 471f917f69SDimitry Andric } 4801095a5dSDimitry Andric 49d8e91e46SDimitry Andric char PDBError::ID; 50