text: //
  // Copyright (C) 2016 Google, Inc.
  //
  // All rights reserved.
  //
  // Redistribution and use in source and binary forms, with or without
  // modification, are permitted provided that the following conditions
  // are met:
  //
  //    Redistributions of source code must retain the above copyright
  //    notice, this list of conditions and the following disclaimer.
  //
  //    Redistributions in binary form must reproduce the above
  //    copyright notice, this list of conditions and the following
  //    disclaimer in the documentation and/or other materials provided
  //    with the distribution.
  //
  //    Neither the name of Google Inc. nor the names of its
  //    contributors may be used to endorse or promote products derived
  //    from this software without specific prior written permission.
  //
  // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
  // FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
  // COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
  // INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
  // BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  // LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  // CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  // LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
  // ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  // POSSIBILITY OF SUCH DAMAGE.
  
  #ifndef GLSLANG_SPIRV_LOGGER_H
  #define GLSLANG_SPIRV_LOGGER_H
  
  #include "thread_local_allocator.hpp"
  
  namespace spv {
  
  // A class for holding all SPIR-V build status messages, including
  // missing/TBD functionalities, warnings, and errors.
  class SpvBuildLogger {
  public:
      SpvBuildLogger() {}
  
      // Registers a TBD functionality.
      void tbdFunctionality(const dxil_spv::String& f);
      // Registers a missing functionality.
      void missingFunctionality(const dxil_spv::String& f);
  
      // Logs a warning.
      void warning(const dxil_spv::String& w) { warnings.push_back(w); }
      // Logs an error.
      void error(const dxil_spv::String& e) { errors.push_back(e); }
  
      // Returns all messages accumulated in the order of:
      // TBD functionalities, missing functionalities, warnings, errors.
      dxil_spv::String getAllMessages() const;
  
  private:
      SpvBuildLogger(const SpvBuildLogger&);
  
      dxil_spv::Vector<dxil_spv::String> tbdFeatures;
      dxil_spv::Vector<dxil_spv::String> missingFeatures;
      dxil_spv::Vector<dxil_spv::String> warnings;
      dxil_spv::Vector<dxil_spv::String> errors;
  };
  
  } // end spv namespace
  
  #endif // GLSLANG_SPIRV_LOGGER_H
  