T_ADDITIVE
return T_ADDITIVE;
case T_ADDITIVE:
DEF_TR(additive, T_ADDITIVE, multiplicative);
case T_ADDITIVE:
case T_ADDITIVE:
case T_ADDITIVE:
%token <y_op> T_ADDITIVE
%left T_ADDITIVE
| T_ADDITIVE sys cast_expression {
| conditional_expression T_ADDITIVE sys conditional_expression {