1 #include "llvm/DebugInfo/PDB/Native/RawError.h"
2 #include "llvm/Support/ErrorHandling.h"
3 #include "llvm/Support/ManagedStatic.h"
4 
5 using namespace llvm;
6 using namespace llvm::pdb;
7 
8 namespace {
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 {
13 public:
14   const char *name() const noexcept override { return "llvm.pdb.raw"; }
15   std::string message(int Condition) const override {
16     switch (static_cast<raw_error_code>(Condition)) {
17     case raw_error_code::unspecified:
18       return "An unknown error has occurred.";
19     case raw_error_code::feature_unsupported:
20       return "The feature is unsupported by the implementation.";
21     case raw_error_code::invalid_format:
22       return "The record is in an unexpected format.";
23     case raw_error_code::corrupt_file:
24       return "The PDB file is corrupt.";
25     case raw_error_code::insufficient_buffer:
26       return "The buffer is not large enough to read the requested number of "
27              "bytes.";
28     case raw_error_code::no_stream:
29       return "The specified stream could not be loaded.";
30     case raw_error_code::index_out_of_bounds:
31       return "The specified item does not exist in the array.";
32     case raw_error_code::invalid_block_address:
33       return "The specified block address is not valid.";
34     case raw_error_code::duplicate_entry:
35       return "The entry already exists.";
36     case raw_error_code::no_entry:
37       return "The entry does not exist.";
38     case raw_error_code::not_writable:
39       return "The PDB does not support writing.";
40     case raw_error_code::stream_too_long:
41       return "The stream was longer than expected.";
42     case raw_error_code::invalid_tpi_hash:
43       return "The Type record has an invalid hash value.";
44     }
45     llvm_unreachable("Unrecognized raw_error_code");
46   }
47 };
48 } // namespace
49 
50 static llvm::ManagedStatic<RawErrorCategory> RawCategory;
51 const std::error_category &llvm::pdb::RawErrCategory() { return *RawCategory; }
52 
53 char RawError::ID;
54