! RUN: %python %S/test_errors.py %s %flang_fc1
! When a module subprogram has the MODULE prefix the following must match
! with the corresponding separate module procedure interface body:
! - C1549: characteristics and dummy argument names
! - C1550: binding label
! - C1551: NON_RECURSIVE prefix
module m1
interface
module subroutine s4(x)
real, intent(in) :: x
end
module subroutine s5(x, y)
real, pointer :: x
real, value :: y
end
module subroutine s6(x, y)
real :: x
real :: y
end
module subroutine s7(x, y, z)
real :: x(8)
real :: y(8)
real :: z(8)
end
module subroutine s8(x, y, z)
real :: x(8)
real :: y(*)
real :: z(*)
end
module subroutine s9(x, y, z, w)
character(len=4) :: x
character(len=4) :: y
character(len=*) :: z
character(len=*) :: w
end
module subroutine s10(x, y, z, w)
real x(0:), y(:), z(0:*), w(*)
end
end interface
end
submodule(m1) sm1
contains
module subroutine s4(x)
!ERROR: The intent of dummy argument 'x' does not match the intent of the corresponding argument in the interface body
real, intent(out) :: x
end
module subroutine s5(x, y)
!ERROR: Dummy argument 'x' has the OPTIONAL attribute; the corresponding argument in the interface body does not
real, pointer, optional :: x
!ERROR: Dummy argument 'y' does not have the VALUE attribute; the corresponding argument in the interface body does
real :: y
end
module subroutine s6(x, y)
!ERROR: Dummy argument 'x' has type INTEGER(4); the corresponding argument in the interface body has distinct type REAL(4)
integer :: x
!ERROR: Dummy argument 'y' has type REAL(8); the corresponding argument in the interface body has distinct type REAL(4)
real(8) :: y
end
module subroutine s7(x, y, z)
integer, parameter :: n = 8
real :: x(n)
real :: y(2:n+1)
!ERROR: The shape of dummy argument 'z' does not match the shape of the corresponding argument in the interface body
real :: z(n+1)
end
module subroutine s8(x, y, z)
!ERROR: The shape of dummy argument 'x' does not match the shape of the corresponding argument in the interface body
real :: x(*)
real :: y(*)
!ERROR: The shape of dummy argument 'z' does not match the shape of the corresponding argument in the interface body
real :: z(8)
end
module subroutine s9(x, y, z, w)
character(len=4) :: x
!ERROR: Dummy argument 'y' has type CHARACTER(KIND=1,LEN=5_8); the corresponding argument in the interface body has distinct type CHARACTER(KIND=1,LEN=4_8)
character(len=5) :: y
character(len=*) :: z
!ERROR: Dummy argument 'w' has type CHARACTER(KIND=1,LEN=4_8); the corresponding argument in the interface body has distinct type CHARACTER(KIND=1,LEN=*)
character(len=4) :: w
end
module subroutine s10(x, y, z, w)
real x(:), y(0:), z(*), w(0:*) ! all ok, lower bounds don't matter
end
end
module m2
interface
module subroutine s1(x, y)
real, intent(in) :: x
real, intent(out) :: y
end
module subroutine s2(x, y)
real, intent(in) :: x
real, intent(out) :: y
end
module subroutine s3(x, y)
real(4) :: x
procedure(real) :: y
end
module subroutine s4()
end
non_recursive module subroutine s5()
end
end interface
end
submodule(m2) sm2
contains
!ERROR: Module subprogram 's1' has 3 args but the corresponding interface body has 2
module subroutine s1(x, y, z)
real, intent(in) :: x
real, intent(out) :: y
real :: z
end
module subroutine s2(x, z)
real, intent(in) :: x
!ERROR: Dummy argument name 'z' does not match corresponding name 'y' in interface body
real, intent(out) :: z
end
module subroutine s3(x, y)
!ERROR: Dummy argument 'x' is a procedure; the corresponding argument in the interface body is not
procedure(real) :: x
!ERROR: Dummy argument 'y' is a data object; the corresponding argument in the interface body is not
real :: y
end
!ERROR: Module subprogram 's4' has NON_RECURSIVE prefix but the corresponding interface body does not
non_recursive module subroutine s4()
end
!ERROR: Module subprogram 's5' does not have NON_RECURSIVE prefix but the corresponding interface body does
module subroutine s5()
end
end
module m2b
interface
module subroutine s1()
end
module subroutine s2() bind(c, name="s2")
end
module subroutine s3() bind(c, name="s3")
end
module subroutine s4() bind(c, name=" s4")
end
module subroutine s5() bind(c)
end
module subroutine s6() bind(c)
end
module subroutine s7() bind(c, name="s7")
end
end interface
end
submodule(m2b) sm2b
character(*), parameter :: suffix = "_xxx"
contains
!ERROR: Module subprogram 's1' has a binding label but the corresponding interface body does not
!ERROR: Module subprogram 's1' and its corresponding interface body are not both BIND(C)
module subroutine s1() bind(c, name="s1")
end
!ERROR: Module subprogram 's2' does not have a binding label but the corresponding interface body does
!ERROR: Module subprogram 's2' and its corresponding interface body are not both BIND(C)
module subroutine s2()
end
!ERROR: Module subprogram 's3' has binding label 's3_xxx' but the corresponding interface body has 's3'
module subroutine s3() bind(c, name="s3" // suffix)
end
module subroutine s4() bind(c, name="s4 ")
end
module subroutine s5() bind(c, name=" s5")
end
!ERROR: Module subprogram 's6' has binding label 'not_s6' but the corresponding interface body has 's6'
module subroutine s6() bind(c, name="not_s6")
end
module procedure s7
end
end
module m3
interface
module subroutine s1(x, y, z)
procedure(real), pointer, intent(in) :: x
procedure(real), pointer, intent(out) :: y
procedure(real), pointer, intent(out) :: z
end
module subroutine s2(x, y)
procedure(real), pointer :: x
procedure(real) :: y
end
end interface
end
submodule(m3) sm3
contains
module subroutine s1(x, y, z)
procedure(real), pointer, intent(in) :: x
!ERROR: The intent of dummy argument 'y' does not match the intent of the corresponding argument in the interface body
procedure(real), pointer, intent(inout) :: y
!ERROR: The intent of dummy argument 'z' does not match the intent of the corresponding argument in the interface body
procedure(real), pointer :: z
end
module subroutine s2(x, y)
!ERROR: Dummy argument 'x' has the OPTIONAL attribute; the corresponding argument in the interface body does not
!ERROR: Dummy argument 'x' does not have the POINTER attribute; the corresponding argument in the interface body does
procedure(real), optional :: x
!ERROR: Dummy argument 'y' has the POINTER attribute; the corresponding argument in the interface body does not
procedure(real), pointer :: y
end
end
module m4
interface
subroutine s_real(x)
real :: x
end
subroutine s_real2(x)
real :: x
end
subroutine s_integer(x)
integer :: x
end
module subroutine s1(x)
procedure(s_real) :: x
end
module subroutine s2(x)
procedure(s_real) :: x
end
end interface
end
submodule(m4) sm4
contains
module subroutine s1(x)
!OK
procedure(s_real2) :: x
end
module subroutine s2(x)
!ERROR: Dummy procedure 'x' does not match the corresponding argument in the interface body
procedure(s_integer) :: x
end
end
module m5
interface
module function f1()
real :: f1
end
module subroutine s2()
end
end interface
end
submodule(m5) sm5
contains
!ERROR: Module subroutine 'f1' was declared as a function in the corresponding interface body
module subroutine f1()
end
!ERROR: Module function 's2' was declared as a subroutine in the corresponding interface body
module function s2()
end
end
module m6
interface
module function f1()
real :: f1
end
module function f2()
real :: f2
end
module function f3()
real :: f3
end
end interface
end
submodule(m6) ms6
contains
!OK
real module function f1()
end
!ERROR: Result of function 'f2' is not compatible with the result of the corresponding interface body: function results have distinct types: INTEGER(4) vs REAL(4)
integer module function f2()
end
!ERROR: Result of function 'f3' is not compatible with the result of the corresponding interface body: function results have incompatible attributes
module function f3()
real :: f3
pointer :: f3
end
end
module m7
interface
module subroutine s1(x, *)
real :: x
end
end interface
end
submodule(m7) sm7
contains
!ERROR: Dummy argument 1 of 's1' is an alternate return indicator but the corresponding argument in the interface body is not
!ERROR: Dummy argument 2 of 's1' is not an alternate return indicator but the corresponding argument in the interface body is
module subroutine s1(*, x)
real :: x
end
end
module m8
interface
pure elemental module subroutine s1
end subroutine
end interface
end module
submodule(m8) sm8
contains
!Ensure no spurious error about mismatching attributes
module procedure s1
end procedure
end submodule
module m9
interface
module subroutine sub1(s)
character(len=0) s
end subroutine
module subroutine sub2(s)
character(len=0) s
end subroutine
end interface
end module
submodule(m9) sm1
contains
module subroutine sub1(s)
character(len=-1) s ! ok
end subroutine
module subroutine sub2(s)
!ERROR: Dummy argument 's' has type CHARACTER(KIND=1,LEN=1_8); the corresponding argument in the interface body has distinct type CHARACTER(KIND=1,LEN=0_8)
character(len=1) s
end subroutine
end submodule
module m10
interface
module character(2) function f()
end function
end interface
end module
submodule(m10) sm10
contains
!ERROR: Result of function 'f' is not compatible with the result of the corresponding interface body: function results have distinct types: CHARACTER(KIND=1,LEN=3_8) vs CHARACTER(KIND=1,LEN=2_8)
module character(3) function f()
end function
end submodule
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