I'm getting an error with variables within a rule: statement : i:instruction (s:sumExpr)? {#statement = #([INST,#i.getText()], s);} ; Gives a compiler error when I run javac: TestParser.java:265: cannot resolve symbol symbol : variable i location: class TestParser statement_AST = (AST)astFactory.make( (new ASTArray(2)).add(astFactory.create(INST,i.getText())).add(s_AST)); This seems to fix the problem: statement : i:instruction (s:sumExpr)? {#statement = #([INST,i_AST.getText()], s);} ; Is it broken or am I missing something? thanks Andrew    More>>