protected Var lang(String name, DataType type) {
		LangVar lang = new LangVar(this, name, type);
		return lang;
	}
Import a variable defined by the processor language

@param name the name of the variable. The name must already be defined by the processor
@param type the type of the variable
@return a handle to the variable
Ghidra/Features/SystemEmulation/src/main/java/ghidra/pcode/struct/StructuredSleigh.java