1 #include "llvm/DebugInfo/PDB/Native/RawError.h"
2 #include "llvm/Support/ErrorHandling.h"
3 #include "llvm/Support/ManagedStatic.h"
6 using namespace llvm::pdb;
9 // FIXME: This class is only here to support the transition to llvm::Error. It
10 // will be removed once this transition is complete. Clients should prefer to
11 // deal with the Error value directly, rather than converting to error_code.
12 class RawErrorCategory : public std::error_category {
14 const char *name() const noexcept override { return "llvm.pdb.raw"; }
16 std::string message(int Condition) const override {
17 switch (static_cast<raw_error_code>(Condition)) {
18 case raw_error_code::unspecified:
19 return "An unknown error has occurred.";
20 case raw_error_code::feature_unsupported:
21 return "The feature is unsupported by the implementation.";
22 case raw_error_code::invalid_format:
23 return "The record is in an unexpected format.";
24 case raw_error_code::corrupt_file:
25 return "The PDB file is corrupt.";
26 case raw_error_code::insufficient_buffer:
27 return "The buffer is not large enough to read the requested number of "
29 case raw_error_code::no_stream:
30 return "The specified stream could not be loaded.";
31 case raw_error_code::index_out_of_bounds:
32 return "The specified item does not exist in the array.";
33 case raw_error_code::invalid_block_address:
34 return "The specified block address is not valid.";
35 case raw_error_code::duplicate_entry:
36 return "The entry already exists.";
37 case raw_error_code::no_entry:
38 return "The entry does not exist.";
39 case raw_error_code::not_writable:
40 return "The PDB does not support writing.";
41 case raw_error_code::stream_too_long:
42 return "The stream was longer than expected.";
43 case raw_error_code::invalid_tpi_hash:
44 return "The Type record has an invalid hash value.";
46 llvm_unreachable("Unrecognized raw_error_code");
49 } // end anonymous namespace
51 static ManagedStatic<RawErrorCategory> Category;
53 char RawError::ID = 0;
55 RawError::RawError(raw_error_code C) : RawError(C, "") {}
57 RawError::RawError(const std::string &Context)
58 : RawError(raw_error_code::unspecified, Context) {}
60 RawError::RawError(raw_error_code C, const std::string &Context) : Code(C) {
61 ErrMsg = "Native PDB Error: ";
62 std::error_code EC = convertToErrorCode();
63 if (Code != raw_error_code::unspecified)
64 ErrMsg += EC.message() + " ";
69 void RawError::log(raw_ostream &OS) const { OS << ErrMsg << "\n"; }
71 const std::string &RawError::getErrorMessage() const { return ErrMsg; }
73 std::error_code RawError::convertToErrorCode() const {
74 return std::error_code(static_cast<int>(Code), *Category);