hphp/util/exception.cpp

   1 /*
   2    +----------------------------------------------------------------------+
   3    | HipHop for PHP                                                       |
   4    +----------------------------------------------------------------------+
   5    | Copyright (c) 2010-2013 Facebook, Inc. (http://www.facebook.com)     |
   6    +----------------------------------------------------------------------+
   7    | This source file is subject to version 3.01 of the PHP license,      |
   8    | that is bundled with this package in the file LICENSE, and is        |
   9    | available through the world-wide-web at the following url:           |
  10    | http://www.php.net/license/3_01.txt                                  |
  11    | If you did not receive a copy of the PHP license and are unable to   |
  12    | obtain it through the world-wide-web, please send a note to          |
  13    | license@php.net so we can mail you a copy immediately.               |
  14    +----------------------------------------------------------------------+
  15 */
  16
  17 #include "hphp/util/exception.h"
  18
  19 #include <string>
  20
  21 #include "util.h"
  22 #include "hphp/util/base.h"
  23
  24 namespace HPHP {
  25 ///////////////////////////////////////////////////////////////////////////////
  26
  27 Exception::Exception(const char *fmt, ...)
  28   : m_handled(false) {
  29   va_list ap; va_start(ap, fmt); format(fmt, ap); va_end(ap);
  30 }
  31
  32 Exception::Exception(const std::string& msg)
  33   : m_handled(false), m_msg(msg) {
  34 }
  35
  36 Exception::Exception(const Exception &e)
  37   : m_handled(true), m_msg(e.m_msg), m_what(e.m_what) {
  38   e.m_handled = true;
  39 }
  40
  41 Exception::Exception()
  42     : m_handled(true) {
  43 }
  44
  45 void Exception::format(const char *fmt, va_list ap) {
  46   Util::string_vsnprintf(m_msg, fmt, ap);
  47 }
  48
  49 Exception::~Exception() throw() {
  50 }
  51
  52 ///////////////////////////////////////////////////////////////////////////////
  53
  54 const char *Exception::what() const throw() {
  55   if (m_what.empty()) {
  56     m_what = m_msg + "\n";
  57   }
  58   return m_what.c_str();
  59 }
  60
  61 ///////////////////////////////////////////////////////////////////////////////
  62 }