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Adding to type_list pointer to last: type_list_item #7

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Adding to type_list pointer to last: type_list_item #7

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17 changes: 7 additions & 10 deletions src/fortran_yaml_c_types.f90
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Original file line number Diff line number Diff line change
Expand Up @@ -78,6 +78,7 @@ subroutine node_dump(self,unit,indent)

type,extends(type_node) :: type_list
type (type_list_item),pointer :: first => null()
type (type_list_item),pointer :: last => null()
contains
procedure :: append => list_append
procedure :: dump => list_dump
Expand Down Expand Up @@ -548,20 +549,16 @@ subroutine list_append(self, node)
class(type_list), intent(inout) :: self
class(type_node), target :: node

type(type_list_item), pointer :: item

if (.not.associated(self%first)) then
! This will be the first pair.
! This will be the first item.
allocate(self%first)
self%first%node => node
self%last => self%first
else
! Try to find a pair with the same key, or failing that, the last pair.
item => self%first
do while (associated(item%next))
item => item%next
end do
allocate(item%next)
item%next%node => node
! Append on the end of the list.
allocate(self%last%next)
self%last%next%node => node
self%last => self%last%next
end if
end subroutine

Expand Down