generator		-- Import Statements
declarations	-- General Declarations
operators		-- Operators (our Node Kinds)
	CONST,
	ADD
rules			-- Production Rules
	test = CONST ( test, CONST (test, XXX)) : 1.

    test1 = test : 2.
    test2 = test1 : 3.
    test3 = test2 : 0.
    test4 = test3 : 0.
    test5 = test4 : 1
		| BLA : 0.		-- Error 1
	test6 = ADD : 1
		| BLABLA : 0	-- Error 2
		| blabla : 0.	-- Error 3
end