is_valid__suffix Function

public function is_valid__suffix(pattern, expected_suffix, resulting) result(res)

Uses

This function checks whether the correct suffix is extracted for a given pattern.

Arguments

Type IntentOptional Attributes Name
character(len=*), intent(in) :: pattern
character(len=*), intent(in) :: expected_suffix
character(len=:), intent(inout), allocatable :: resulting

Return Value logical


Source Code

   function is_valid__suffix(pattern, expected_suffix, resulting) result(res)
      use :: forgex_syntax_tree_optimize_m, only: extract_literal
      use :: forgex_utf8_m, only: len_utf8
      implicit none
      character(*), intent(in) :: pattern, expected_suffix
      logical :: res
      character(:), allocatable, intent(inout) :: resulting

      character(:), allocatable :: unused_1, unused_2, unused_3 
      type(tree_t) :: tree

      call tree%build(pattern)
      ! resulting = get_suffix_literal(tree)
      call extract_literal(tree, unused_1, unused_2, resulting, unused_3)
      

      if (len_utf8(expected_suffix) == len_utf8(resulting)) then
         res = expected_suffix == resulting
         return
      end if
      res = .false.

   end function is_valid__suffix