mame/src/emu/emucore.cpp

103 lines
2.3 KiB
C++

// license:BSD-3-Clause
// copyright-holders:Nicola Salmoria, Aaron Giles
/***************************************************************************
emucore.c
Simple core functions that are defined in emucore.h and which may
need to be accessed by other MAME-related tools.
****************************************************************************/
#include "emu.h"
#include "emucore.h"
#include "osdcore.h"
const char *const endianness_names[2] = { "little", "big" };
emu_fatalerror::emu_fatalerror(const char *format, ...) : code(0)
{
if (format == nullptr)
{
text[0] = '\0';
}
else
{
va_list ap;
va_start(ap, format);
vsnprintf(text, sizeof(text), format, ap);
va_end(ap);
}
osd_break_into_debugger(text);
}
emu_fatalerror::emu_fatalerror(const char *format, va_list ap) : code(0)
{
if (format == nullptr)
{
text[0] = '\0';
}
else
{
vsnprintf(text, sizeof(text), format, ap);
}
osd_break_into_debugger(text);
}
emu_fatalerror::emu_fatalerror(int _exitcode, const char *format, ...) : code(_exitcode)
{
if (format == nullptr)
{
text[0] = '\0';
}
else
{
va_list ap;
va_start(ap, format);
vsnprintf(text, sizeof(text), format, ap);
va_end(ap);
}
}
emu_fatalerror::emu_fatalerror(int _exitcode, const char *format, va_list ap) : code(_exitcode)
{
if (format == nullptr)
{
text[0] = '\0';
}
else
{
vsnprintf(text, sizeof(text), format, ap);
}
}
void report_bad_cast(const std::type_info &src_type, const std::type_info &dst_type)
{
throw emu_fatalerror("Error: bad downcast<> or device<>. Tried to convert a %s to a %s, which are incompatible.\n",
src_type.name(), dst_type.name());
}
void report_bad_device_cast(const device_t *dev, const std::type_info &src_type, const std::type_info &dst_type)
{
throw emu_fatalerror("Error: bad downcast<> or device<>. Tried to convert the device %s (%s) of type %s to a %s, which are incompatible.\n",
dev->tag(), dev->name(), src_type.name(), dst_type.name());
}
void fatalerror(const char *format, ...)
{
va_list ap;
va_start(ap, format);
emu_fatalerror error(format, ap);
va_end(ap);
throw error;
}
void fatalerror_exitcode(running_machine &machine, int exitcode, const char *format, ...)
{
va_list ap;
va_start(ap, format);
emu_fatalerror error(exitcode, format, ap);
va_end(ap);
throw error;
}