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
258 lines
14 KiB
Fortran
258 lines
14 KiB
Fortran
! RUN: %python %S/test_errors.py %s %flang_fc1
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! This test checks for semantic errors in atomic_cas subroutine calls based on
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! the interface defined in section 16.9.22 of the Fortran 2018 standard.
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program test_atomic_cas
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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) :: int_scalar_coarray[*], non_scalar_coarray(10)[*], non_coarray
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integer(kind=atomic_int_kind) :: repeated_atom[*], array(10)
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integer(kind=atomic_int_kind) :: old_int, compare_int, new_int, non_scalar_int(10)
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integer(kind=atomic_int_kind) :: repeated_old, repeated_compare, repeated_new
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integer :: status, default_kind_coarray[*], coindexed_status[*], extra_arg, repeated_status, status_array(10)
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integer(kind=1) :: kind1_coarray[*], old_kind1, compare_kind1, new_kind1
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real :: non_integer_coarray[*], non_int_or_logical
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logical(kind=atomic_logical_kind) :: logical_scalar_coarray[*], non_scalar_logical_coarray(10)[*], non_coarray_logical
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logical(kind=atomic_logical_kind) :: old_logical, compare_logical, new_logical, non_scalar_logical(10)
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logical(kind=1) :: kind1_logical_coarray[*], old_logical_kind1, compare_logical_kind1, new_logical_kind1
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logical :: non_integer, default_kind_logical_coarray[*]
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!___ standard-conforming calls ___
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call atomic_cas(int_scalar_coarray, old_int, compare_int, new_int)
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call atomic_cas(int_scalar_coarray[1], old_int, compare_int, new_int)
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call atomic_cas(int_scalar_coarray, old_int, compare_int, new_int, status)
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call atomic_cas(int_scalar_coarray[1], old_int, compare_int, new_int, status)
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call atomic_cas(int_scalar_coarray, old_int, compare_int, new_int, stat=status)
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call atomic_cas(int_scalar_coarray, old_int, compare_int, new=new_int, stat=status)
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call atomic_cas(int_scalar_coarray, old_int, compare=compare_int, new=new_int, stat=status)
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call atomic_cas(int_scalar_coarray, old=old_int, compare=compare_int, new=new_int, stat=status)
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call atomic_cas(atom=int_scalar_coarray, old=old_int, compare=compare_int, new=new_int)
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call atomic_cas(atom=int_scalar_coarray, old=old_int, compare=compare_int, new=new_int, stat=status)
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call atomic_cas(new=new_int, old=old_int, atom=int_scalar_coarray, stat=status, compare=compare_int)
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call atomic_cas(logical_scalar_coarray, old_logical, compare_logical, new_logical)
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call atomic_cas(logical_scalar_coarray[1], old_logical, compare_logical, new_logical)
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call atomic_cas(logical_scalar_coarray, old_logical, compare_logical, new_logical, status)
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call atomic_cas(logical_scalar_coarray[1], old_logical, compare_logical, new_logical, status)
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call atomic_cas(logical_scalar_coarray, old_logical, compare_logical, new_logical, stat=status)
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call atomic_cas(logical_scalar_coarray, old_logical, compare_logical, new=new_logical, stat=status)
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call atomic_cas(logical_scalar_coarray, old_logical, compare=compare_logical, new=new_logical, stat=status)
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call atomic_cas(logical_scalar_coarray, old=old_logical, compare=compare_logical, new=new_logical, stat=status)
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call atomic_cas(atom=logical_scalar_coarray, old=old_logical, compare=compare_logical, new=new_logical)
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call atomic_cas(atom=logical_scalar_coarray, old=old_logical, compare=compare_logical, new=new_logical, stat=status)
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call atomic_cas(new=new_logical, old=old_logical, atom=logical_scalar_coarray, stat=status, compare=compare_logical)
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!___ non-standard-conforming calls ___
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! mismatches where 'atom' is not a scalar coarray or coindexed object
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!ERROR: 'atom=' argument must be a scalar coarray or coindexed object for intrinsic 'atomic_cas'
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call atomic_cas(non_scalar_coarray, old_int, compare_int, new_int)
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!ERROR: 'atom=' argument must be a scalar coarray or coindexed object for intrinsic 'atomic_cas'
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call atomic_cas(non_scalar_coarray[1], old_int, compare_int, new_int)
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!ERROR: 'atom=' argument must be a scalar coarray or coindexed object for intrinsic 'atomic_cas'
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call atomic_cas(non_scalar_logical_coarray, old_logical, compare_logical, new_logical)
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!ERROR: 'atom=' argument must be a scalar coarray or coindexed object for intrinsic 'atomic_cas'
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call atomic_cas(non_scalar_logical_coarray[1], old_logical, compare_logical, new_logical)
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!ERROR: 'atom=' argument must be a scalar coarray or coindexed object for intrinsic 'atomic_cas'
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call atomic_cas(non_coarray, old_int, compare_int, new_int)
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!ERROR: 'atom=' argument must be a scalar coarray or coindexed object for intrinsic 'atomic_cas'
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call atomic_cas(non_coarray_logical, old_logical, compare_logical, new_logical)
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!ERROR: 'atom=' argument must be a scalar coarray or coindexed object for intrinsic 'atomic_cas'
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call atomic_cas(array, old_int, compare_int, new_int)
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! mismatches where 'atom' has wrong kind
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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_cas(default_kind_coarray, old_int, compare_int, new_int)
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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_cas(kind1_coarray, old_int, compare_int, new_int)
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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_cas(default_kind_logical_coarray, old_logical, compare_logical, new_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_cas(kind1_logical_coarray, old_logical, compare_logical, new_logical)
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! mismatch where 'atom' has wrong type
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!ERROR: Actual argument for 'atom=' has bad type 'REAL(4)'
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call atomic_cas(non_integer_coarray, old_int, compare_int, new_int)
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! mismatches where 'old', 'compare', 'new' arguments don't match type of 'atom'
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!ERROR: Actual argument for 'old=' must have same type and kind as 'atom=', but is 'LOGICAL(8)'
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call atomic_cas(int_scalar_coarray, old_logical, compare_int, new_int)
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!ERROR: Actual argument for 'compare=' must have same type and kind as 'atom=', but is 'LOGICAL(8)'
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call atomic_cas(int_scalar_coarray, old_int, compare_logical, new_int)
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!ERROR: Actual argument for 'new=' must have same type and kind as 'atom=', but is 'LOGICAL(8)'
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call atomic_cas(int_scalar_coarray, old_int, compare_int, new_logical)
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!ERROR: Actual argument for 'old=' must have same type and kind as 'atom=', but is 'INTEGER(8)'
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call atomic_cas(logical_scalar_coarray, old_int, compare_logical, new_logical)
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!ERROR: Actual argument for 'compare=' must have same type and kind as 'atom=', but is 'INTEGER(8)'
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call atomic_cas(logical_scalar_coarray, old_logical, compare_int, new_logical)
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!ERROR: Actual argument for 'new=' must have same type and kind as 'atom=', but is 'INTEGER(8)'
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call atomic_cas(logical_scalar_coarray, old_logical, compare_logical, new_int)
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! mismatches where 'old', 'compare', 'new' arguments matches type of 'atom' but doesn't match kind of 'atom'
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!ERROR: Actual argument for 'old=' must have same type and kind as 'atom=', but is 'INTEGER(1)'
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call atomic_cas(int_scalar_coarray, old_kind1, compare_int, new_int)
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!ERROR: Actual argument for 'compare=' must have same type and kind as 'atom=', but is 'INTEGER(1)'
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call atomic_cas(int_scalar_coarray, old_int, compare_kind1, new_int)
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!ERROR: Actual argument for 'new=' must have same type and kind as 'atom=', but is 'INTEGER(1)'
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call atomic_cas(int_scalar_coarray, old_int, compare_int, new_kind1)
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!ERROR: Actual argument for 'old=' must have same type and kind as 'atom=', but is 'LOGICAL(1)'
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call atomic_cas(logical_scalar_coarray, old_logical_kind1, compare_logical, new_logical)
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!ERROR: Actual argument for 'compare=' must have same type and kind as 'atom=', but is 'LOGICAL(1)'
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call atomic_cas(logical_scalar_coarray, old_logical, compare_logical_kind1, new_logical)
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!ERROR: Actual argument for 'new=' must have same type and kind as 'atom=', but is 'LOGICAL(1)'
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call atomic_cas(logical_scalar_coarray, old_logical, compare_logical, new_logical_kind1)
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! mismatches where 'old', 'compare', 'new' arguments have incorrect rank
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!ERROR: 'old=' argument has unacceptable rank 1
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call atomic_cas(int_scalar_coarray, non_scalar_int, compare_int, new_int)
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!ERROR: 'compare=' argument has unacceptable rank 1
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call atomic_cas(int_scalar_coarray, old_int, non_scalar_int, new_int)
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!ERROR: 'new=' argument has unacceptable rank 1
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call atomic_cas(int_scalar_coarray, old_int, compare_int, non_scalar_int)
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!ERROR: 'old=' argument has unacceptable rank 1
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call atomic_cas(logical_scalar_coarray, non_scalar_logical, compare_logical, new_logical)
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!ERROR: 'compare=' argument has unacceptable rank 1
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call atomic_cas(logical_scalar_coarray, old_logical, non_scalar_logical, new_logical)
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!ERROR: 'new=' argument has unacceptable rank 1
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call atomic_cas(logical_scalar_coarray, old_logical, compare_logical, non_scalar_logical)
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! mismatches where 'old', 'compare', 'new' arguments have incorrect type
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!ERROR: Actual argument for 'old=' has bad type 'REAL(4)'
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call atomic_cas(int_scalar_coarray, non_int_or_logical, compare_int, new_int)
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!ERROR: Actual argument for 'compare=' has bad type 'REAL(4)'
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call atomic_cas(int_scalar_coarray, old_int, non_int_or_logical, new_int)
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!ERROR: Actual argument for 'new=' has bad type 'REAL(4)'
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call atomic_cas(int_scalar_coarray, old_int, compare_int, non_int_or_logical)
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!ERROR: Actual argument for 'old=' has bad type 'REAL(4)'
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call atomic_cas(logical_scalar_coarray, non_int_or_logical, compare_logical, new_logical)
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!ERROR: Actual argument for 'compare=' has bad type 'REAL(4)'
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call atomic_cas(logical_scalar_coarray, old_logical, non_int_or_logical, new_logical)
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!ERROR: Actual argument for 'new=' has bad type 'REAL(4)'
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call atomic_cas(logical_scalar_coarray, old_logical, compare_logical, non_int_or_logical)
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! mismatches on 'stat' argument
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!ERROR: Actual argument for 'stat=' has bad type 'LOGICAL(4)'
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call atomic_cas(int_scalar_coarray, old_int, compare_int, new_int, non_integer)
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!ERROR: 'stat=' argument has unacceptable rank 1
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call atomic_cas(int_scalar_coarray, old_int, compare_int, new_int, status_array)
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!ERROR: 'stat' argument to 'atomic_cas' may not be a coindexed object
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call atomic_cas(int_scalar_coarray, old_int, compare_int, new_int, 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_cas(int_scalar_coarray, old_int, compare_int, new_int, 1)
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! missing mandatory arguments
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!ERROR: missing mandatory 'atom=' argument
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call atomic_cas()
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!ERROR: missing mandatory 'atom=' argument
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call atomic_cas(old=old_int, compare=compare_int, new=new_int, stat=status)
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!ERROR: missing mandatory 'old=' argument
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call atomic_cas(atom=int_scalar_coarray, compare=compare_int, new=new_int, stat=status)
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!ERROR: missing mandatory 'compare=' argument
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call atomic_cas(atom=int_scalar_coarray, old=old_int, new=new_int, stat=status)
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!ERROR: missing mandatory 'new=' argument
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call atomic_cas(atom=int_scalar_coarray, old=old_int, compare=compare_int, stat=status)
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!ERROR: missing mandatory 'new=' argument
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call atomic_cas(int_scalar_coarray, old_int, compare_int)
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! too many arguments or repeated arguments
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!ERROR: too many actual arguments for intrinsic 'atomic_cas'
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call atomic_cas(int_scalar_coarray, old_int, compare_int, new_int, status, extra_arg)
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!ERROR: repeated keyword argument to intrinsic 'atomic_cas'
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call atomic_cas(atom=int_scalar_coarray, atom=repeated_atom, old=old_int, compare=compare_int, new=new_int)
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!ERROR: repeated keyword argument to intrinsic 'atomic_cas'
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call atomic_cas(atom=int_scalar_coarray, old=old_int, old=repeated_old, compare=compare_int, new=new_int)
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!ERROR: repeated keyword argument to intrinsic 'atomic_cas'
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call atomic_cas(atom=int_scalar_coarray, old=old_int, compare=compare_int, compare=repeated_compare, new=new_int)
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!ERROR: repeated keyword argument to intrinsic 'atomic_cas'
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call atomic_cas(atom=int_scalar_coarray, old=old_int, compare=compare_int, new=new_int, new=repeated_new)
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!ERROR: repeated keyword argument to intrinsic 'atomic_cas'
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call atomic_cas(atom=int_scalar_coarray, old=old_int, compare=compare_int, new=new_int, stat=status, stat=repeated_status)
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!ERROR: keyword argument to intrinsic 'atomic_cas' was supplied positionally by an earlier actual argument
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call atomic_cas(int_scalar_coarray, old_int, compare_int, new_int, atom=repeated_atom)
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!ERROR: keyword argument to intrinsic 'atomic_cas' was supplied positionally by an earlier actual argument
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call atomic_cas(int_scalar_coarray, old_int, compare_int, new_int, old=repeated_old)
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!ERROR: keyword argument to intrinsic 'atomic_cas' was supplied positionally by an earlier actual argument
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call atomic_cas(int_scalar_coarray, old_int, compare_int, new_int, compare=repeated_compare)
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!ERROR: keyword argument to intrinsic 'atomic_cas' was supplied positionally by an earlier actual argument
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call atomic_cas(int_scalar_coarray, old_int, compare_int, new_int, new=repeated_new)
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!ERROR: keyword argument to intrinsic 'atomic_cas' was supplied positionally by an earlier actual argument
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call atomic_cas(int_scalar_coarray, old_int, compare_int, new_int, status, stat=repeated_status)
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! typo in keyword arguments
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!ERROR: unknown keyword argument to intrinsic 'atomic_cas'
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call atomic_cas(atomic=int_scalar_coarray, old=old_int, compare=compare_int, new=new_int, stat=status)
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!ERROR: unknown keyword argument to intrinsic 'atomic_cas'
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call atomic_cas(atom=int_scalar_coarray, ol=old_int, compare=compare_int, new=new_int, stat=status)
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!ERROR: unknown keyword argument to intrinsic 'atomic_cas'
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call atomic_cas(atom=int_scalar_coarray, old=old_int, comp=compare_int, new=new_int, stat=status)
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!ERROR: unknown keyword argument to intrinsic 'atomic_cas'
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call atomic_cas(atom=int_scalar_coarray, old=old_int, compare=compare_int, nw=new_int, stat=status)
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!ERROR: unknown keyword argument to intrinsic 'atomic_cas'
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call atomic_cas(atom=int_scalar_coarray, old=old_int, compare=compare_int, new=new_int, status=status)
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end program test_atomic_cas
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