Files
clang-p2996/flang/test/Semantics/unsigned-errors.f90
Andre Kuhlenschmidt 374c470cd1 [Flang] Give a more specific error message for expressions where an IO Unit is expected (#126970)
This PR fixes #125446 by specializing the error message that is
generated when an arbitrary expression is used as an IO Unit. See the
tests for specific examples, but the general gist is that if you use a
non-variable expression as the IO unit argument to a read or write, you
now get a more specific error message indicating the the expression
could have been a scalar integer expression or character variable.
2025-02-21 13:14:15 -08:00

78 lines
2.0 KiB
Fortran

! RUN: %python %S/test_errors.py %s %flang_fc1 -funsigned
implicit unsigned(u)
real a(10)
!ERROR: Must have INTEGER type, but is UNSIGNED(4)
real(kind=4u) x
!ERROR: Both operands must be UNSIGNED
print *, 0 + 1u
!ERROR: Both operands must be UNSIGNED
print *, 0u + 1
!ERROR: Both operands must be UNSIGNED
print *, 0. + 1u
!ERROR: Both operands must be UNSIGNED
print *, 0u + 1.
print *, -0u ! ok
print *, 0u + 1u ! ok
print *, 0u - 1u ! ok
print *, 0u * 1u ! ok
print *, 0u / 1u ! ok
!ERROR: Operands must not be UNSIGNED
print *, 0u ** 1u
print *, uint((0.,0.)) ! ok
print *, uint(z'123') ! ok
!ERROR: Actual argument for 'a=' has bad type 'CHARACTER(KIND=1,LEN=1_8)'
print *, uint("a")
!ERROR: Actual argument for 'a=' has bad type 'LOGICAL(4)'
print *, uint(.true.)
!ERROR: Actual argument for 'l=' has bad type 'UNSIGNED(4)'
print *, logical(0u)
!ERROR: Actual argument for 'i=' has bad type 'UNSIGNED(4)'
print *, char(0u)
!ERROR: DO controls should be INTEGER
!ERROR: DO controls should be INTEGER
!ERROR: DO controls should be INTEGER
do u = 0u, 1u
end do
!ERROR: DO controls should be INTEGER
do u = 0, 1
end do
!ERROR: DO controls should be INTEGER
!ERROR: DO controls should be INTEGER
do j = 0u, 1u
end do
select case (u) ! ok
case(0u) ! ok
!ERROR: CASE value has type 'INTEGER(4)' which is not compatible with the SELECT CASE expression's type 'UNSIGNED(4)'
case(1)
end select
select case (j)
!ERROR: CASE value has type 'UNSIGNED(4)' which is not compatible with the SELECT CASE expression's type 'INTEGER(4)'
case(0u)
end select
u = z'1' ! ok
!ERROR: No intrinsic or user-defined ASSIGNMENT(=) matches operand types UNSIGNED(4) and INTEGER(4)
u = 1
!ERROR: No intrinsic or user-defined ASSIGNMENT(=) matches operand types INTEGER(4) and UNSIGNED(4)
j = 1u
!ERROR: I/O unit must be a character variable or a scalar integer expression, but is an expression of type UNSIGNED(4)
write(6u,*) 'hi'
!ERROR: ARITHMETIC IF expression must not be an UNSIGNED expression
if (1u) 1,1,1
1 continue
!ERROR: Must have INTEGER type, but is UNSIGNED(4)
print *, a(u)
end