process_field
process_field(FIELD, $2, $3.value);
process_field(FIELD, $2, $3.value);
process_field(ENUM, $2, $3.value);
process_field(ENUM_ENTRY, $1, enum_next_value);
process_field(ENUM_ENTRY, $1, $2.value);
process_field(MASK, $2, $3.value);
static void process_field(int field_type, symbol_t *sym, int mask);