private void setupPoint() {
		maxsize = 0;
		oparray = null;
		Constructor ct = point.getConstructor();
		if (ct == null)
			return;
		ConstructTpl tpl;
		if (sectionnum < 0) {
			tpl = ct.getTempl();
			if (tpl == null)
				return;
		}
		else 
			tpl = ct.getNamedTempl(sectionnum);
		if (tpl == null) {			// Empty named section implies straight list of build directives
			maxsize = ct.getNumOperands();
		}
		else {
			oparray = tpl.getOpVec();
			maxsize = oparray.length;
		}		
		
	}
Class for walking pcode templates OpTpl in the correct order
Supports walking the tree of an entire SleighInstructionPrototype or just a single ConstructTpl
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/app/plugin/processors/sleigh/OpTplWalker.java