mirror of
https://github.com/moses-smt/mosesdecoder.git
synced 2024-12-27 22:14:57 +03:00
107 lines
2.8 KiB
C++
107 lines
2.8 KiB
C++
#include "util/exception.hh"
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#ifdef __GXX_RTTI
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#include <typeinfo>
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#endif
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#include <cerrno>
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#include <cstring>
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#if defined(_WIN32) || defined(_WIN64)
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#include <windows.h>
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#include <io.h>
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#endif
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namespace util {
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Exception::Exception() throw() {}
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Exception::~Exception() throw() {}
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void Exception::SetLocation(const char *file, unsigned int line, const char *func, const char *child_name, const char *condition) {
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/* The child class might have set some text, but we want this to come first.
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* Another option would be passing this information to the constructor, but
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* then child classes would have to accept constructor arguments and pass
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* them down.
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*/
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std::string old_text;
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std::swap(old_text, what_);
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StringStream stream;
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stream << what_;
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stream << file << ':' << line;
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if (func) stream << " in " << func << " threw ";
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if (child_name) {
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stream << child_name;
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} else {
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#ifdef __GXX_RTTI
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stream << typeid(this).name();
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#else
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stream << "an exception";
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#endif
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}
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if (condition) {
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stream << " because `" << condition << '\'';
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}
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stream << ".\n";
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stream << old_text;
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}
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namespace {
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#ifdef __GNUC__
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const char *HandleStrerror(int ret, const char *buf) __attribute__ ((unused));
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const char *HandleStrerror(const char *ret, const char * /*buf*/) __attribute__ ((unused));
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#endif
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// At least one of these functions will not be called.
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#ifdef __clang__
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#pragma clang diagnostic push
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#pragma clang diagnostic ignored "-Wunused-function"
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#endif
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// The XOPEN version.
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const char *HandleStrerror(int ret, const char *buf) {
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if (!ret) return buf;
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return NULL;
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}
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// The GNU version.
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const char *HandleStrerror(const char *ret, const char * /*buf*/) {
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return ret;
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}
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#ifdef __clang__
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#pragma clang diagnostic pop
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#endif
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} // namespace
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ErrnoException::ErrnoException() throw() : errno_(errno) {
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char buf[200];
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buf[0] = 0;
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#if defined(sun) || defined(_WIN32) || defined(_WIN64)
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const char *add = strerror(errno);
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#else
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const char *add = HandleStrerror(strerror_r(errno, buf, 200), buf);
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#endif
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if (add) {
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*this << add << ' ';
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}
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}
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ErrnoException::~ErrnoException() throw() {}
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OverflowException::OverflowException() throw() {}
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OverflowException::~OverflowException() throw() {}
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#if defined(_WIN32) || defined(_WIN64)
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WindowsException::WindowsException() throw() {
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unsigned int last_error = GetLastError();
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char error_msg[256] = "";
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if (!FormatMessageA(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, NULL, last_error, LANG_NEUTRAL, error_msg, sizeof(error_msg), NULL)) {
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*this << "Windows error " << GetLastError() << " while formatting Windows error " << last_error << ". ";
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} else {
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*this << "Windows error " << last_error << ": " << error_msg;
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}
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}
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WindowsException::~WindowsException() throw() {}
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#endif
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} // namespace util
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