LCOV - code coverage report
Current view: top level - lib/DebugInfo/CodeView - CodeViewError.cpp (source / functions) Hit Total Coverage
Test: llvm-toolchain.info Lines: 18 27 66.7 %
Date: 2017-09-14 15:23:50 Functions: 5 10 50.0 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : //===- CodeViewError.cpp - Error extensions for CodeView --------*- C++ -*-===//
       2             : //
       3             : //                     The LLVM Compiler Infrastructure
       4             : //
       5             : // This file is distributed under the University of Illinois Open Source
       6             : // License. See LICENSE.TXT for details.
       7             : //
       8             : //===----------------------------------------------------------------------===//
       9             : 
      10             : #include "llvm/DebugInfo/CodeView/CodeViewError.h"
      11             : #include "llvm/Support/ErrorHandling.h"
      12             : #include "llvm/Support/ManagedStatic.h"
      13             : 
      14             : using namespace llvm;
      15             : using namespace llvm::codeview;
      16             : 
      17             : namespace {
      18             : // FIXME: This class is only here to support the transition to llvm::Error. It
      19             : // will be removed once this transition is complete. Clients should prefer to
      20             : // deal with the Error value directly, rather than converting to error_code.
      21         183 : class CodeViewErrorCategory : public std::error_category {
      22             : public:
      23           0 :   const char *name() const noexcept override { return "llvm.codeview"; }
      24             : 
      25           1 :   std::string message(int Condition) const override {
      26           1 :     switch (static_cast<cv_error_code>(Condition)) {
      27             :     case cv_error_code::unspecified:
      28           0 :       return "An unknown error has occurred.";
      29             :     case cv_error_code::insufficient_buffer:
      30             :       return "The buffer is not large enough to read the requested number of "
      31           0 :              "bytes.";
      32             :     case cv_error_code::corrupt_record:
      33           2 :       return "The CodeView record is corrupted.";
      34             :     case cv_error_code::no_records:
      35           0 :       return "There are no records";
      36             :     case cv_error_code::operation_unsupported:
      37           0 :       return "The requested operation is not supported.";
      38             :     case cv_error_code::unknown_member_record:
      39           0 :       return "The member record is of an unknown type.";
      40             :     }
      41           0 :     llvm_unreachable("Unrecognized cv_error_code");
      42             :   }
      43             : };
      44             : } // end anonymous namespace
      45             : 
      46             : static ManagedStatic<CodeViewErrorCategory> Category;
      47             : 
      48             : char CodeViewError::ID = 0;
      49             : 
      50           0 : CodeViewError::CodeViewError(cv_error_code C) : CodeViewError(C, "") {}
      51             : 
      52          94 : CodeViewError::CodeViewError(const std::string &Context)
      53          94 :     : CodeViewError(cv_error_code::unspecified, Context) {}
      54             : 
      55          95 : CodeViewError::CodeViewError(cv_error_code C, const std::string &Context)
      56         285 :     : Code(C) {
      57         190 :   ErrMsg = "CodeView Error: ";
      58          95 :   std::error_code EC = convertToErrorCode();
      59          95 :   if (Code != cv_error_code::unspecified)
      60           4 :     ErrMsg += EC.message() + "  ";
      61          95 :   if (!Context.empty())
      62          95 :     ErrMsg += Context;
      63          95 : }
      64             : 
      65           2 : void CodeViewError::log(raw_ostream &OS) const { OS << ErrMsg << "\n"; }
      66             : 
      67           0 : const std::string &CodeViewError::getErrorMessage() const { return ErrMsg; }
      68             : 
      69          95 : std::error_code CodeViewError::convertToErrorCode() const {
      70          95 :   return std::error_code(static_cast<int>(Code), *Category);
      71             : }

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