// Copyright(c) 2018-2020, Intel Corporation

//

// 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 Intel Corporation  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 OWNER  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.

#include <cerrno>

#include <cstring>

#include <iostream>

#include <sstream>

#include <opae/utils.h>

#include <opae/cxx/core/except.h>

namespace opae {

namespace fpga {

namespace types {

src_location::src_location(const char *file, const char *fn, int line) noexcept

    : file_(file), fn_(fn), line_(line) {}

src_location::src_location(const src_location &other) noexcept

    : file_(other.file_), fn_(other.fn_), line_(other.line_) {}

src_location &src_location::operator=(const src_location &other) noexcept {

  if (&other != this) {

    file_ = other.file_;

    fn_ = other.fn_;

    line_ = other.line_;

  }

  return *this;

}

const char *src_location::file() const noexcept {

  // return a pointer to the file name component.

  const char *p = file_;

  while (*p++) {

  }

  while ((p > file_) && (*p != '\\') && (*p != '/')) --p;

  if (('\\' == *p) || ('/' == *p)) ++p;

  return p;

}

except::except(src_location loc) noexcept

    : res_(FPGA_EXCEPTION),

      msg_("failed with return code FPGA_EXCEPTION"),

      loc_(loc) {}

except::except(fpga_result res, const char *msg, src_location loc) noexcept

    : res_(res), msg_(msg), loc_(loc) {}

except::except(fpga_result res, src_location loc) noexcept

    : res_(res), msg_(0), loc_(loc) {}

const char *except::what() const noexcept {

  std::stringstream ss;

  if (msg_) {

    ss << msg_;

  } else {

    ss << "failed with error " << fpgaErrStr(res_);

  }

  ss << " at: " << loc_.file() << ":" << loc_.fn() << "():" << loc_.line();

  memcpy(buf_, ss.str().c_str(), ss.str().length());

  buf_[ss.str().length()] = '\0';

  return const_cast<const char *>(buf_);

}

}  // end of namespace types

}  // end of namespace fpga

}  // end of namespace opae