Function GoUp

NULLC/SyntaxTreeGraph.cpp:23–32

	preNeedChange = true;
}
void GoUp()
{
	if(prefixSize >= 256 || prefixSize < 5)
		return;
	level--;
	prefixSize -= 5;
	linePrefix[prefixSize] = 0;
	sprintf(linePrefix + prefixSize, "__");
	prefixSize += 2;
}
void DrawLine(FILE *fGraph)
{
	fprintf(fGraph, "%s", linePrefix);