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#include "slang-signal.h"
#include "slang-exception.h"
#include "stdio.h"
namespace Slang
{
static const char* _getSignalTypeAsText(SignalType type)
{
switch (type)
{
case SignalType::AssertFailure: return "assert failure";
case SignalType::Unimplemented: return "unimplemented";
case SignalType::Unreachable: return "hit unreachable code";
case SignalType::Unexpected: return "unexpected";
case SignalType::InvalidOperation: return "invalid operation";
case SignalType::AbortCompilation: return "abort compilation";
default: return "unhandled";
}
}
String _getMessage(SignalType type, char const* message)
{
StringBuilder buf;
const char* const typeText = _getSignalTypeAsText(type);
buf << typeText;
if (message)
{
buf << ": " << message;
}
return buf.ProduceString();
}
// One point of having as a single function is a choke point both for handling (allowing different
// handling scenarios) as well as a choke point to set a breakpoint to catch 'signal' types
SLANG_RETURN_NEVER void handleSignal(SignalType type, char const* message)
{
StringBuilder buf;
const char*const typeText = _getSignalTypeAsText(type);
buf << typeText << ": " << message;
// Can be useful to enable during debug when problem is on CI
if (false)
{
printf("%s\n", _getMessage(type, message).getBuffer());
}
#if SLANG_HAS_EXCEPTIONS
switch (type)
{
case SignalType::InvalidOperation: throw InvalidOperationException(_getMessage(type, message));
case SignalType::AbortCompilation: throw AbortCompilationException();
default: throw InternalError(_getMessage(type, message));
}
#else
// Attempt to drop out into the debugger. If a debugger isn't attached this will likely crash - which is probably the best
// we can do.
SLANG_BREAKPOINT(0);
// 'panic'. Exit with an error code as we can't throw or catch.
exit(-1);
#endif
}
}
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