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5b1c9f3223
Now that we have dropped MSVC 2013, all supported compilers support noexcept and we can drop this portability macro. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@284672 91177308-0d34-0410-b5e6-96231b3b80d8
71 lines
2.4 KiB
C++
71 lines
2.4 KiB
C++
//===- MSFError.cpp - Error extensions for MSF files ------------*- 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/MSF/MSFError.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::msf;
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namespace {
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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 MSFErrorCategory : public std::error_category {
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public:
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const char *name() const noexcept override { return "llvm.msf"; }
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std::string message(int Condition) const override {
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switch (static_cast<msf_error_code>(Condition)) {
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case msf_error_code::unspecified:
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return "An unknown error has occurred.";
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case msf_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 msf_error_code::not_writable:
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return "The specified stream is not writable.";
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case msf_error_code::no_stream:
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return "The specified stream does not exist.";
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case msf_error_code::invalid_format:
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return "The data is in an unexpected format.";
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case msf_error_code::block_in_use:
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return "The block is already in use.";
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}
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llvm_unreachable("Unrecognized msf_error_code");
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}
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};
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} // end anonymous namespace
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static ManagedStatic<MSFErrorCategory> Category;
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char MSFError::ID = 0;
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MSFError::MSFError(msf_error_code C) : MSFError(C, "") {}
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MSFError::MSFError(const std::string &Context)
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: MSFError(msf_error_code::unspecified, Context) {}
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MSFError::MSFError(msf_error_code C, const std::string &Context) : Code(C) {
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ErrMsg = "MSF Error: ";
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std::error_code EC = convertToErrorCode();
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if (Code != msf_error_code::unspecified)
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ErrMsg += EC.message() + " ";
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if (!Context.empty())
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ErrMsg += Context;
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}
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void MSFError::log(raw_ostream &OS) const { OS << ErrMsg << "\n"; }
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const std::string &MSFError::getErrorMessage() const { return ErrMsg; }
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std::error_code MSFError::convertToErrorCode() const {
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return std::error_code(static_cast<int>(Code), *Category);
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}
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