1! { dg-do run } 2! A test of f95 style constructors with derived type extension. 3! 4! Contributed by Paul Thomas <pault@gcc.gnu.org> 5! 6module persons 7 type :: person 8 character(24) :: name = "" 9 integer :: ss = 1 10 end type person 11end module persons 12 13module person_education 14 use persons 15 type, extends(person) :: education 16 integer :: attainment = 0 17 character(24) :: institution = "" 18 end type education 19end module person_education 20 21 use person_education 22 type, extends(education) :: service 23 integer :: personnel_number = 0 24 character(24) :: department = "" 25 end type service 26 27 type, extends(service) :: person_record 28 type (person_record), pointer :: supervisor => NULL () 29 end type person_record 30 31 type(person_record), pointer :: recruit, supervisor 32 33! Check that simple constructor works 34 allocate (supervisor) 35 supervisor%service = service ("Joe Honcho", 123455, 100, & 36 "Celestial University", 1, & 37 "Directorate") 38 39 recruit => entry ("John Smith", 123456, 1, "Bog Hill High School", & 40 99, "Records", supervisor) 41 42 if (trim (recruit%name) /= "John Smith") STOP 1 43 if (recruit%name /= recruit%service%name) STOP 2 44 if (recruit%supervisor%ss /= 123455) STOP 3 45 if (recruit%supervisor%ss /= supervisor%person%ss) STOP 4 46 47 deallocate (supervisor) 48 deallocate (recruit) 49contains 50 function entry (name, ss, attainment, institution, & 51 personnel_number, department, supervisor) result (new_person) 52 integer :: ss, attainment, personnel_number 53 character (*) :: name, institution, department 54 type (person_record), pointer :: supervisor, new_person 55 56 allocate (new_person) 57 58! Check nested constructors 59 new_person = person_record (education (person (name, ss), & 60 attainment, institution), & 61 personnel_number, department, & 62 supervisor) 63 end function 64end 65