Files
clang-p2996/flang/test/Semantics/atomic10.f90
Peter Klausler 573fc6187b [flang] Fix pointer definition semantic checking via refactoring
The infrastructure in semantics that is used to check that the
left-hand sides of normal assignment statements are really definable
variables was not being used to check whether the LHSs of pointer assignments
are modifiable, and so most cases of unmodifiable pointers are left
undiagnosed.  Rework the semantics checking for pointer assignments,
NULLIFY statements, pointer dummy arguments, &c. so that cases of
unmodifiable pointers are properly caught.  This has been done
by extracting all the various definability checking code that has
been implemented for different contexts in Fortran into one new
facility.

The new consolidated definability checking code returns messages
meant to be attached as "because: " explanations to context-dependent
errors like "left-hand side of assignment is not definable".
These new error message texts and their attached explanations
affect many existing tests, which have been updated.  The testing
infrastructure was extended by another patch to properly compare
warnings and explanatory messages, which had been ignored until
recently.

Differential Revision: https://reviews.llvm.org/D136979
2022-10-31 12:02:21 -07:00

153 lines
7.0 KiB
Fortran

! RUN: %python %S/test_errors.py %s %flang_fc1
! This test checks for semantic errors in atomic_ref subroutine calls based on
! the interface defined in section 16.9.29 of the Fortran 2018 standard.
program test_atomic_ref
use iso_fortran_env, only: atomic_int_kind, atomic_logical_kind
implicit none
integer(kind=atomic_int_kind) :: scalar_coarray[*], non_scalar_coarray(10)[*], val, non_coarray
integer(kind=atomic_int_kind) :: repeated_atom[*], repeated_val, array(10)
integer :: status, default_kind_coarray[*], coindexed_status[*], extra_arg, repeated_status, status_array(10), default_int_val
real :: non_integer_coarray[*], non_int_or_logical
logical(kind=atomic_logical_kind) :: atom_logical[*], val_logical, non_scalar_logical_coarray(10)[*], non_coarray_logical
logical :: non_integer, default_kind_logical_coarray[*], default_logical_val
! These variables are used in this test based on the assumption that atomic_int_kind is not equal to kind=1
! This is true at the time of writing of the test, but of course is not guaranteed to stay the same
integer(kind=1) :: kind1_coarray[*]
logical(kind=1) :: kind1_logical_coarray[*]
!___ standard-conforming calls ___
call atomic_ref(val, scalar_coarray)
call atomic_ref(default_int_val, scalar_coarray)
call atomic_ref(val, scalar_coarray[1])
call atomic_ref(default_int_val, scalar_coarray, status)
call atomic_ref(val, scalar_coarray[1], status)
call atomic_ref(default_int_val, scalar_coarray, stat=status)
call atomic_ref(val, atom=scalar_coarray, stat=status)
call atomic_ref(value=default_int_val, atom=scalar_coarray)
call atomic_ref(value=val, atom=scalar_coarray, stat=status)
call atomic_ref(stat=status, atom=scalar_coarray, value=default_int_val)
call atomic_ref(val_logical, atom_logical)
call atomic_ref(default_logical_val, atom_logical)
call atomic_ref(val_logical, atom_logical[1])
call atomic_ref(val_logical, atom_logical, status)
call atomic_ref(val_logical, atom_logical[1], status)
call atomic_ref(val_logical, atom_logical, stat=status)
call atomic_ref(val_logical, atom=atom_logical, stat=status)
call atomic_ref(value=val_logical, atom=atom_logical)
call atomic_ref(value=val_logical, atom=atom_logical, stat=status)
call atomic_ref(stat=status, atom=atom_logical, value=val_logical)
!___ non-standard-conforming calls ___
!ERROR: 'atom=' argument must be a scalar coarray or coindexed object for intrinsic 'atomic_ref'
call atomic_ref(val, non_scalar_coarray)
!ERROR: 'atom=' argument must be a scalar coarray or coindexed object for intrinsic 'atomic_ref'
call atomic_ref(val, non_scalar_coarray[1])
!ERROR: 'atom=' argument must be a scalar coarray or coindexed object for intrinsic 'atomic_ref'
call atomic_ref(val_logical, non_scalar_logical_coarray)
!ERROR: 'atom=' argument must be a scalar coarray or coindexed object for intrinsic 'atomic_ref'
call atomic_ref(val_logical, non_scalar_logical_coarray[1])
!ERROR: 'atom=' argument must be a scalar coarray or coindexed object for intrinsic 'atomic_ref'
call atomic_ref(val, non_coarray)
!ERROR: 'atom=' argument must be a scalar coarray or coindexed object for intrinsic 'atomic_ref'
call atomic_ref(val_logical, non_coarray_logical)
!ERROR: 'atom=' argument must be a scalar coarray or coindexed object for intrinsic 'atomic_ref'
call atomic_ref(val, array)
!ERROR: Actual argument for 'atom=' must have kind=atomic_int_kind or atomic_logical_kind, but is 'INTEGER(4)'
call atomic_ref(val, default_kind_coarray)
!ERROR: Actual argument for 'atom=' must have kind=atomic_int_kind or atomic_logical_kind, but is 'INTEGER(1)'
call atomic_ref(val, kind1_coarray)
!ERROR: Actual argument for 'atom=' must have kind=atomic_int_kind or atomic_logical_kind, but is 'LOGICAL(4)'
call atomic_ref(val_logical, default_kind_logical_coarray)
!ERROR: Actual argument for 'atom=' must have kind=atomic_int_kind or atomic_logical_kind, but is 'LOGICAL(1)'
call atomic_ref(val_logical, kind1_logical_coarray)
!ERROR: 'value=' argument to 'atomic_ref' must have same type as 'atom=', but is 'LOGICAL(8)'
call atomic_ref(val_logical, scalar_coarray)
!ERROR: 'value=' argument to 'atomic_ref' must have same type as 'atom=', but is 'INTEGER(8)'
call atomic_ref(val, atom_logical)
!ERROR: Actual argument for 'atom=' has bad type 'REAL(4)'
call atomic_ref(val, non_integer_coarray)
!ERROR: 'value=' argument has unacceptable rank 1
call atomic_ref(array, scalar_coarray)
!ERROR: Actual argument for 'value=' has bad type 'REAL(4)'
call atomic_ref(non_int_or_logical, scalar_coarray)
!ERROR: Actual argument for 'value=' has bad type 'REAL(4)'
call atomic_ref(non_int_or_logical, atom_logical)
!ERROR: Actual argument for 'stat=' has bad type 'LOGICAL(4)'
call atomic_ref(val, scalar_coarray, non_integer)
!ERROR: 'stat=' argument has unacceptable rank 1
call atomic_ref(val, scalar_coarray, status_array)
!ERROR: 'stat' argument to 'atomic_ref' may not be a coindexed object
call atomic_ref(val, scalar_coarray, coindexed_status[1])
!ERROR: Actual argument associated with INTENT(OUT) dummy argument 'stat=' is not definable
!BECAUSE: '1_4' is not a variable or pointer
call atomic_ref(val, scalar_coarray, 1)
!ERROR: missing mandatory 'value=' argument
call atomic_ref()
!ERROR: missing mandatory 'value=' argument
call atomic_ref(atom=scalar_coarray, stat=status)
!ERROR: missing mandatory 'atom=' argument
call atomic_ref(val)
!ERROR: missing mandatory 'atom=' argument
call atomic_ref(value=val, stat=status)
!ERROR: too many actual arguments for intrinsic 'atomic_ref'
call atomic_ref(val, scalar_coarray, status, extra_arg)
!ERROR: repeated keyword argument to intrinsic 'atomic_ref'
call atomic_ref(value=val, value=repeated_val, atom=scalar_coarray, stat=status)
!ERROR: repeated keyword argument to intrinsic 'atomic_ref'
call atomic_ref(value=val, atom=scalar_coarray, atom=repeated_atom, stat=status)
!ERROR: repeated keyword argument to intrinsic 'atomic_ref'
call atomic_ref(value=val, atom=scalar_coarray, stat=status, stat=repeated_status)
!ERROR: unknown keyword argument to intrinsic 'atomic_ref'
call atomic_ref(values=val, atom=scalar_coarray, stat=status)
!ERROR: unknown keyword argument to intrinsic 'atomic_ref'
call atomic_ref(value=val, atomic=scalar_coarray, stat=status)
!ERROR: unknown keyword argument to intrinsic 'atomic_ref'
call atomic_ref(value=val, atom=scalar_coarray, status=status)
!ERROR: keyword argument to intrinsic 'atomic_ref' was supplied positionally by an earlier actual argument
call atomic_ref(val, value=repeated_val, scalar_coarray)
!ERROR: keyword argument to intrinsic 'atomic_ref' was supplied positionally by an earlier actual argument
call atomic_ref(val, scalar_coarray, atom=repeated_atom)
!ERROR: keyword argument to intrinsic 'atomic_ref' was supplied positionally by an earlier actual argument
call atomic_ref(val, scalar_coarray, status, stat=repeated_status)
end program test_atomic_ref