public void addTool(PluginTool tool) {
		WeakSet<PluginTool> toolSet = toolMap.get(program);
		toolSet.add(tool);
		initializeToolOptions(tool);
	}
Returns the tool being used for analysis.  <b>This can be null</b> if analysis has never
been run or if the tool that previously ran analysis has been closed.
@return the tool being used for analysis.
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/analysis/AutoAnalysisManager.java