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6a7efef4af
Following D50807, and heading towards D50664, this intermediary change does the following: 1. Upgrade all custom Error types in llvm/trunk/lib/DebugInfo/ to use the new StringError behavior (D50807). 2. Implement std::is_error_code_enum and make_error_code() for DebugInfo error enumerations. 3. Rename GenericError -> PDBError (the file will be renamed in a subsequent commit) 4. Update custom error messages to follow the same formatting: (\w\s*)+\. 5. Keep generic "file not found" (ENOENT) errors as they are in PDB code. Previously, there used to be a custom enumeration for that purpose. 6. Remove a few extraneous LF in log() implementations. Printing LF is a responsability at a higher level, not at the error level. Differential Revision: https://reviews.llvm.org/D51499 llvm-svn: 341228
48 lines
1.9 KiB
C++
48 lines
1.9 KiB
C++
//===- Error.cpp - system_error extensions for PDB --------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/DebugInfo/PDB/GenericError.h"
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#include "llvm/Support/ErrorHandling.h"
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#include "llvm/Support/ManagedStatic.h"
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using namespace llvm;
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using namespace llvm::pdb;
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// FIXME: This class is only here to support the transition to llvm::Error. It
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// will be removed once this transition is complete. Clients should prefer to
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// deal with the Error value directly, rather than converting to error_code.
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class PDBErrorCategory : public std::error_category {
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public:
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const char *name() const noexcept override { return "llvm.pdb"; }
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std::string message(int Condition) const override {
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switch (static_cast<pdb_error_code>(Condition)) {
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case pdb_error_code::unspecified:
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return "An unknown error has occurred.";
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case pdb_error_code::type_server_not_found:
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return "Type server PDB was not found.";
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case pdb_error_code::dia_sdk_not_present:
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return "LLVM was not compiled with support for DIA. This usually means "
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"that you are not using MSVC, or your Visual Studio "
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"installation is corrupt.";
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case pdb_error_code::dia_failed_loading:
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return "DIA is only supported when using MSVC.";
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case pdb_error_code::invalid_utf8_path:
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return "The PDB file path is an invalid UTF8 sequence.";
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case pdb_error_code::signature_out_of_date:
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return "The signature does not match; the file(s) might be out of date";
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}
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llvm_unreachable("Unrecognized generic_error_code");
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}
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};
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static llvm::ManagedStatic<PDBErrorCategory> PDBCategory;
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const std::error_category &llvm::pdb::PDBErrCategory() { return *PDBCategory; }
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char PDBError::ID;
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