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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
47 lines
1.8 KiB
C++
47 lines
1.8 KiB
C++
//===- CodeViewError.cpp - Error extensions for CodeView --------*- 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/CodeView/CodeViewError.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::codeview;
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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 CodeViewErrorCategory : public std::error_category {
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public:
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const char *name() const noexcept override { return "llvm.codeview"; }
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std::string message(int Condition) const override {
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switch (static_cast<cv_error_code>(Condition)) {
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case cv_error_code::unspecified:
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return "An unknown CodeView error has occurred.";
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case cv_error_code::insufficient_buffer:
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return "The buffer is not large enough to read the requested number of "
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"bytes.";
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case cv_error_code::corrupt_record:
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return "The CodeView record is corrupted.";
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case cv_error_code::no_records:
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return "There are no records.";
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case cv_error_code::operation_unsupported:
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return "The requested operation is not supported.";
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case cv_error_code::unknown_member_record:
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return "The member record is of an unknown type.";
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}
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llvm_unreachable("Unrecognized cv_error_code");
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}
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};
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static llvm::ManagedStatic<CodeViewErrorCategory> CodeViewErrCategory;
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const std::error_category &llvm::codeview::CVErrorCategory() { return *CodeViewErrCategory; }
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char CodeViewError::ID;
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