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This commits the result of running gdb/copyright.py as per our Start
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gdb/ChangeLog
Update copyright year range in copyright header of all GDB files.
243 lines
7.0 KiB
Fortran
243 lines
7.0 KiB
Fortran
! Copyright 2019-2021 Free Software Foundation, Inc.
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!
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! This program is free software; you can redistribute it and/or modify
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! it under the terms of the GNU General Public License as published by
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! the Free Software Foundation; either version 3 of the License, or
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! (at your option) any later version.
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!
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! This program is distributed in the hope that it will be useful,
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! but WITHOUT ANY WARRANTY; without even the implied warranty of
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! MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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! GNU General Public License for more details.
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!
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! You should have received a copy of the GNU General Public License
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! along with this program. If not, see <http://www.gnu.org/licenses/> .
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! Source code for function-calls.exp.
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subroutine no_arg_subroutine()
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end subroutine
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logical function no_arg()
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no_arg = .TRUE.
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end function
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subroutine run(a)
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external :: a
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call a()
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end subroutine
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logical function one_arg(x)
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logical, intent(in) :: x
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one_arg = x
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end function
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integer(kind=4) function one_arg_value(x)
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integer(kind=4), value :: x
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one_arg_value = x
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end function
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integer(kind=4) function several_arguments(a, b, c)
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integer(kind=4), intent(in) :: a
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integer(kind=4), intent(in) :: b
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integer(kind=4), intent(in) :: c
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several_arguments = a + b + c
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end function
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integer(kind=4) function mix_of_scalar_arguments(a, b, c)
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integer(kind=4), intent(in) :: a
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logical(kind=4), intent(in) :: b
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real(kind=8), intent(in) :: c
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mix_of_scalar_arguments = a + floor(c)
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if (b) then
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mix_of_scalar_arguments=mix_of_scalar_arguments+1
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end if
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end function
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real(kind=4) function real4_argument(a)
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real(kind=4), intent(in) :: a
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real4_argument = a
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end function
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integer(kind=4) function return_constant()
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return_constant = 17
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end function
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character(40) function return_string()
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return_string='returned in hidden first argument'
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end function
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recursive function fibonacci(n) result(item)
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integer(kind=4) :: item
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integer(kind=4), intent(in) :: n
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select case (n)
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case (0:1)
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item = n
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case default
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item = fibonacci(n-1) + fibonacci(n-2)
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end select
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end function
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complex function complex_argument(a)
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complex, intent(in) :: a
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complex_argument = a
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end function
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integer(kind=4) function array_function(a)
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integer(kind=4), dimension(11) :: a
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array_function = a(ubound(a, 1, 4))
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end function
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integer(kind=4) function pointer_function(int_pointer)
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integer, pointer :: int_pointer
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pointer_function = int_pointer
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end function
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integer(kind=4) function hidden_string_length(string)
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character*(*) :: string
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hidden_string_length = len(string)
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end function
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integer(kind=4) function sum_some(a, b, c)
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integer :: a, b
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integer, optional :: c
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sum_some = a + b
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if (present(c)) then
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sum_some = sum_some + c
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end if
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end function
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module derived_types_and_module_calls
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type cart
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integer :: x
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integer :: y
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end type
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type cart_nd
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integer :: x
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integer, allocatable :: d(:)
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end type
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type nested_cart_3d
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type(cart) :: d
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integer :: z
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end type
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contains
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type(cart) function pass_cart(c)
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type(cart) :: c
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pass_cart = c
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end function
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integer(kind=4) function pass_cart_nd(c)
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type(cart_nd) :: c
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pass_cart_nd = ubound(c%d,1,4)
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end function
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type(nested_cart_3d) function pass_nested_cart(c)
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type(nested_cart_3d) :: c
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pass_nested_cart = c
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end function
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type(cart) function build_cart(x,y)
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integer :: x, y
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build_cart%x = x
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build_cart%y = y
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end function
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end module
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program function_calls
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use derived_types_and_module_calls
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implicit none
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interface
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logical function no_arg()
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end function
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logical function one_arg(x)
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logical, intent(in) :: x
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end function
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integer(kind=4) function pointer_function(int_pointer)
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integer, pointer :: int_pointer
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end function
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integer(kind=4) function several_arguments(a, b, c)
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integer(kind=4), intent(in) :: a
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integer(kind=4), intent(in) :: b
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integer(kind=4), intent(in) :: c
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end function
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complex function complex_argument(a)
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complex, intent(in) :: a
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end function
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real(kind=4) function real4_argument(a)
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real(kind=4), intent(in) :: a
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end function
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integer(kind=4) function return_constant()
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end function
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character(40) function return_string()
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end function
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integer(kind=4) function one_arg_value(x)
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integer(kind=4), value :: x
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end function
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integer(kind=4) function sum_some(a, b, c)
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integer :: a, b
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integer, optional :: c
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end function
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integer(kind=4) function mix_of_scalar_arguments(a, b, c)
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integer(kind=4), intent(in) :: a
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logical(kind=4), intent(in) :: b
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real(kind=8), intent(in) :: c
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end function
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integer(kind=4) function array_function(a)
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integer(kind=4), dimension(11) :: a
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end function
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integer(kind=4) function hidden_string_length(string)
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character*(*) :: string
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end function
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end interface
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logical :: untrue, no_arg_return
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complex :: fft, fft_result
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integer(kind=4), dimension (11) :: integer_array
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real(kind=8) :: real8
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real(kind=4) :: real4
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integer, pointer :: int_pointer
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integer, target :: pointee, several_arguments_return
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integer(kind=4) :: integer_return
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type(cart) :: c, cout
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type(cart_nd) :: c_nd
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type(nested_cart_3d) :: nested_c
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character(40) :: returned_string, returned_string_debugger
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real8 = 3.00
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real4 = 9.3
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integer_array = 17
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fft = cmplx(2.1, 3.3)
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print *, fft
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untrue = .FALSE.
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int_pointer => pointee
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pointee = 87
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c%x = 2
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c%y = 4
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c_nd%x = 4
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allocate(c_nd%d(4))
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c_nd%d = 6
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nested_c%z = 3
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nested_c%d%x = 1
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nested_c%d%y = 2
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! Use everything so it is not elided by the compiler.
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call no_arg_subroutine()
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no_arg_return = no_arg() .AND. one_arg(.FALSE.)
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several_arguments_return = several_arguments(1,2,3) + return_constant()
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integer_return = array_function(integer_array)
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integer_return = mix_of_scalar_arguments(2, untrue, real8)
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real4 = real4_argument(3.4)
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integer_return = pointer_function(int_pointer)
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c = pass_cart(c)
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integer_return = pass_cart_nd(c_nd)
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nested_c = pass_nested_cart(nested_c)
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integer_return = hidden_string_length('string of implicit length')
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call run(no_arg_subroutine)
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integer_return = one_arg_value(10)
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integer_return = sum_some(1,2,3)
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returned_string = return_string()
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cout = build_cart(4,5)
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fft_result = complex_argument(fft)
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print *, cout
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print *, several_arguments_return
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print *, fft_result
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print *, real4
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print *, integer_return
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print *, returned_string_debugger
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deallocate(c_nd%d) ! post_init
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end program
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