573fc6187b
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
153 lines
7.2 KiB
Fortran
153 lines
7.2 KiB
Fortran
! RUN: %python %S/test_errors.py %s %flang_fc1
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! This test checks for semantic errors in atomic_define subroutine calls based on
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! the interface defined in section 16.9.23 of the Fortran 2018 standard.
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program test_atomic_define
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use iso_fortran_env, only: atomic_int_kind, atomic_logical_kind
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implicit none
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integer(kind=atomic_int_kind) :: scalar_coarray[*], non_scalar_coarray(10)[*], val, non_coarray
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integer(kind=atomic_int_kind) :: repeated_atom[*], repeated_val, array(10)
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integer :: status, default_kind_coarray[*], coindexed_status[*], extra_arg, repeated_status, status_array(10), default_int_val
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real :: non_integer_coarray[*], non_int_or_logical
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logical(kind=atomic_logical_kind) :: atom_logical[*], val_logical, non_scalar_logical_coarray(10)[*], non_coarray_logical
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logical :: non_integer, default_kind_logical_coarray[*], default_logical_val
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! These variables are used in this test based on the assumption that atomic_int_kind is not equal to kind=1
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! This is true at the time of writing of the test, but of course is not guaranteed to stay the same
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integer(kind=1) :: kind1_coarray[*]
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logical(kind=1) :: kind1_logical_coarray[*]
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!___ standard-conforming calls ___
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call atomic_define(scalar_coarray, val)
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call atomic_define(scalar_coarray, default_int_val)
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call atomic_define(scalar_coarray[1], val)
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call atomic_define(scalar_coarray, default_int_val, status)
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call atomic_define(scalar_coarray[1], val, status)
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call atomic_define(scalar_coarray, default_int_val, stat=status)
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call atomic_define(scalar_coarray, value=val, stat=status)
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call atomic_define(atom=scalar_coarray, value=default_int_val)
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call atomic_define(atom=scalar_coarray, value=val, stat=status)
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call atomic_define(stat=status, value=default_int_val, atom=scalar_coarray)
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call atomic_define(atom_logical, val_logical)
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call atomic_define(atom_logical, default_logical_val)
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call atomic_define(atom_logical[1], val_logical)
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call atomic_define(atom_logical, val_logical, status)
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call atomic_define(atom_logical[1], val_logical, status)
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call atomic_define(atom_logical, val_logical, stat=status)
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call atomic_define(atom_logical, value=val_logical, stat=status)
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call atomic_define(atom=atom_logical, value=val_logical)
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call atomic_define(atom=atom_logical, value=val_logical, stat=status)
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call atomic_define(stat=status, value=val_logical, atom=atom_logical)
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!___ non-standard-conforming calls ___
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!ERROR: 'atom=' argument must be a scalar coarray or coindexed object for intrinsic 'atomic_define'
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call atomic_define(non_scalar_coarray, val)
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!ERROR: 'atom=' argument must be a scalar coarray or coindexed object for intrinsic 'atomic_define'
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call atomic_define(non_scalar_coarray[1], val)
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!ERROR: 'atom=' argument must be a scalar coarray or coindexed object for intrinsic 'atomic_define'
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call atomic_define(non_scalar_logical_coarray, val_logical)
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!ERROR: 'atom=' argument must be a scalar coarray or coindexed object for intrinsic 'atomic_define'
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call atomic_define(non_scalar_logical_coarray[1], val_logical)
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!ERROR: 'atom=' argument must be a scalar coarray or coindexed object for intrinsic 'atomic_define'
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call atomic_define(non_coarray, val)
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!ERROR: 'atom=' argument must be a scalar coarray or coindexed object for intrinsic 'atomic_define'
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call atomic_define(non_coarray_logical, val_logical)
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!ERROR: 'atom=' argument must be a scalar coarray or coindexed object for intrinsic 'atomic_define'
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call atomic_define(array, val)
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!ERROR: Actual argument for 'atom=' must have kind=atomic_int_kind or atomic_logical_kind, but is 'INTEGER(4)'
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call atomic_define(default_kind_coarray, val)
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!ERROR: Actual argument for 'atom=' must have kind=atomic_int_kind or atomic_logical_kind, but is 'INTEGER(1)'
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call atomic_define(kind1_coarray, val)
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!ERROR: Actual argument for 'atom=' must have kind=atomic_int_kind or atomic_logical_kind, but is 'LOGICAL(4)'
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call atomic_define(default_kind_logical_coarray, val_logical)
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!ERROR: Actual argument for 'atom=' must have kind=atomic_int_kind or atomic_logical_kind, but is 'LOGICAL(1)'
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call atomic_define(kind1_logical_coarray, val_logical)
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!ERROR: 'value=' argument to 'atomic_define' must have same type as 'atom=', but is 'LOGICAL(8)'
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call atomic_define(scalar_coarray, val_logical)
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!ERROR: 'value=' argument to 'atomic_define' must have same type as 'atom=', but is 'INTEGER(8)'
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call atomic_define(atom_logical, val)
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!ERROR: Actual argument for 'atom=' has bad type 'REAL(4)'
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call atomic_define(non_integer_coarray, val)
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!ERROR: 'value=' argument has unacceptable rank 1
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call atomic_define(scalar_coarray, array)
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!ERROR: Actual argument for 'value=' has bad type 'REAL(4)'
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call atomic_define(scalar_coarray, non_int_or_logical)
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!ERROR: Actual argument for 'value=' has bad type 'REAL(4)'
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call atomic_define(atom_logical, non_int_or_logical)
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!ERROR: Actual argument for 'stat=' has bad type 'LOGICAL(4)'
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call atomic_define(scalar_coarray, val, non_integer)
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!ERROR: 'stat=' argument has unacceptable rank 1
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call atomic_define(scalar_coarray, val, status_array)
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!ERROR: 'stat' argument to 'atomic_define' may not be a coindexed object
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call atomic_define(scalar_coarray, val, coindexed_status[1])
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!ERROR: Actual argument associated with INTENT(OUT) dummy argument 'stat=' is not definable
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!BECAUSE: '1_4' is not a variable or pointer
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call atomic_define(scalar_coarray, val, 1)
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!ERROR: missing mandatory 'atom=' argument
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call atomic_define()
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!ERROR: missing mandatory 'atom=' argument
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call atomic_define(value=val, stat=status)
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!ERROR: missing mandatory 'value=' argument
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call atomic_define(scalar_coarray)
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!ERROR: missing mandatory 'value=' argument
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call atomic_define(atom=scalar_coarray, stat=status)
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!ERROR: too many actual arguments for intrinsic 'atomic_define'
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call atomic_define(scalar_coarray, val, status, extra_arg)
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!ERROR: repeated keyword argument to intrinsic 'atomic_define'
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call atomic_define(atom=scalar_coarray, atom=repeated_atom, value=val, stat=status)
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!ERROR: repeated keyword argument to intrinsic 'atomic_define'
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call atomic_define(atom=scalar_coarray, value=val, value=repeated_val, stat=status)
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!ERROR: repeated keyword argument to intrinsic 'atomic_define'
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call atomic_define(atom=scalar_coarray, value=val, stat=status, stat=repeated_status)
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!ERROR: unknown keyword argument to intrinsic 'atomic_define'
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call atomic_define(atomic=scalar_coarray, value=val, stat=status)
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!ERROR: unknown keyword argument to intrinsic 'atomic_define'
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call atomic_define(atom=scalar_coarray, values=val, stat=status)
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!ERROR: unknown keyword argument to intrinsic 'atomic_define'
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call atomic_define(atom=scalar_coarray, value=val, status=status)
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!ERROR: keyword argument to intrinsic 'atomic_define' was supplied positionally by an earlier actual argument
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call atomic_define(scalar_coarray, val, atom=repeated_atom)
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!ERROR: keyword argument to intrinsic 'atomic_define' was supplied positionally by an earlier actual argument
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call atomic_define(scalar_coarray, val, value=repeated_val)
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!ERROR: keyword argument to intrinsic 'atomic_define' was supplied positionally by an earlier actual argument
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call atomic_define(scalar_coarray, val, status, stat=repeated_status)
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end program test_atomic_define
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