relational_expression
%type <l_node> relational_expression
relational_expression:
| relational_expression DT_TOK_LT shift_expression {
| relational_expression DT_TOK_GT shift_expression {
| relational_expression DT_TOK_LE shift_expression {
| relational_expression DT_TOK_GE shift_expression {
relational_expression
| equality_expression DT_TOK_EQU relational_expression {
| equality_expression DT_TOK_NEQ relational_expression {
token, tree, EXPR_COMPARE, relational_expression,