public final void tokensSpec() throws RecognitionException {
        try {
            // back-end/koopa/trees/antlr/filter/generator/ANTLRv3Tree.g:53:2: ( ^( TOKENS ( tokenSpec )+ ) )
            // back-end/koopa/trees/antlr/filter/generator/ANTLRv3Tree.g:53:4: ^( TOKENS ( tokenSpec )+ )
            {
            match(input,TOKENS,FOLLOW_TOKENS_in_tokensSpec119); 

            match(input, Token.DOWN, null); 
            // back-end/koopa/trees/antlr/filter/generator/ANTLRv3Tree.g:53:13: ( tokenSpec )+
            int cnt7=0;
            loop7:
            do {
                int alt7=2;
                int LA7_0 = input.LA(1);

                if ( (LA7_0==TOKEN_REF||LA7_0==71) ) {
                    alt7=1;
                }


                switch (alt7) {
            	case 1 :
            	    // back-end/koopa/trees/antlr/filter/generator/ANTLRv3Tree.g:53:13: tokenSpec
            	    {
            	    pushFollow(FOLLOW_tokenSpec_in_tokensSpec121);
            	    tokenSpec();

            	    state._fsp--;


            	    }
            	    break;

            	default :
            	    if ( cnt7 >= 1 ) break loop7;
                        EarlyExitException eee =
                            new EarlyExitException(7, input);
                        throw eee;
                }
                cnt7++;
            } while (true);


            match(input, Token.UP, null); 

            }

        }
        catch (RecognitionException re) {
            reportError(re);
            recover(input,re);
        }
        finally {
        }
        return ;
    }