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68 lines
2.4 KiB
68 lines
2.4 KiB
4 months ago
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#include "llvm/DebugInfo/PDB/Raw/RawError.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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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 RawErrorCategory : public std::error_category {
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public:
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const char *name() const LLVM_NOEXCEPT override { return "llvm.pdb.raw"; }
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std::string message(int Condition) const override {
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switch (static_cast<raw_error_code>(Condition)) {
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case raw_error_code::unspecified:
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return "An unknown error has occurred.";
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case raw_error_code::feature_unsupported:
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return "The feature is unsupported by the implementation.";
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case raw_error_code::corrupt_file:
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return "The PDB file is corrupt.";
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case raw_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 raw_error_code::no_stream:
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return "The specified stream could not be loaded.";
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case raw_error_code::index_out_of_bounds:
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return "The specified item does not exist in the array.";
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case raw_error_code::invalid_block_address:
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return "The specified block address is not valid.";
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case raw_error_code::not_writable:
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return "The PDB does not support writing.";
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case raw_error_code::invalid_tpi_hash:
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return "The Type record has an invalid hash value.";
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}
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llvm_unreachable("Unrecognized raw_error_code");
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}
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};
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} // end anonymous namespace
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static ManagedStatic<RawErrorCategory> Category;
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char RawError::ID = 0;
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RawError::RawError(raw_error_code C) : RawError(C, "") {}
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RawError::RawError(const std::string &Context)
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: RawError(raw_error_code::unspecified, Context) {}
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RawError::RawError(raw_error_code C, const std::string &Context) : Code(C) {
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ErrMsg = "Native PDB Error: ";
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std::error_code EC = convertToErrorCode();
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if (Code != raw_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 RawError::log(raw_ostream &OS) const { OS << ErrMsg << "\n"; }
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const std::string &RawError::getErrorMessage() const { return ErrMsg; }
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std::error_code RawError::convertToErrorCode() const {
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return std::error_code(static_cast<int>(Code), *Category);
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}
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