Method GetMessage

src/GCodes/GCodeException.cpp:57–140

Construct the error message. This will be prefixed with "Error: " when it is returned to the user.

// Construct the error message. This will be prefixed with "Error: " when it is returned to the user.
void GCodeException::GetMessage(const StringRef &reply, const GCodeBuffer *null gb) const noexcept
{
	// Print the file location, if possible
	switch(source)
	{
	case GCodeExceptionSource::file:
		reply.copy("in GCode file");
		break;
	case GCodeExceptionSource::macro:
		reply.copy("in file macro");
		break;
	case GCodeExceptionSource::other:
	default:
		break;
	}

	if (line >= 0)
	{
		reply.catf(" line %d", line);
		if (column >= 0)
		{
			reply.catf(" column %d", column + 1);
		}
		reply.cat(": ");
	}
	else if (column >= 0)
	{
		reply.catf(" at column %d: ", column + 1);
	}
	else
	{
		reply.Clear();
	}

	// Print the command letter/number, if possible
	if (gb != nullptr)
	{
		switch (gb->GetCommandLetter())
		{
		case 'E':
			reply.cat("meta command: ");
			break;

		case 'G':
		case 'M':
		case 'T':
			if (gb->HasCommandNumber())
			{
				if (gb->GetCommandFraction() >= 0)
				{
					reply.catf("%c%d.%d: ", gb->GetCommandLetter(), gb->GetCommandNumber(), gb->GetCommandFraction());

				}
				else
				{
					reply.catf("%c%d: ", gb->GetCommandLetter(), gb->GetCommandNumber());
				}
			}