protected void buildContextGraph() {
		try (DbgCtx dc = dbg.start("Building context graph")) {
			ctxGraph = new AssemblyContextGraph(factory, lang, grammar);
		}
	}
Build the context transition graph for the language
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/app/plugin/assembler/sleigh/AbstractSleighAssemblerBuilder.java