llvm-project/flang/test/Semantics/lockstmt03.f90
Peter Klausler 8c535669a3
[flang] Semantic checking of LOCK statement (#129806)
Add checks for the LOCK statement, and complete and enable their tests.
2025-03-10 13:17:31 -07:00

111 lines
4.4 KiB
Fortran

! RUN: %python %S/test_errors.py %s %flang_fc1
! This test checks for semantic errors in lock statements based on the
! statement specification in section 11.6.10 of the Fortran 2018 standard.
program test_lock_stmt
use iso_fortran_env, only: lock_type, event_type
implicit none
character(len=128) error_message, msg_array(10), coindexed_msg[*], repeated_msg
integer status, stat_array(10), coindexed_int[*], non_bool, repeated_stat
logical non_integer, bool, bool_array(10), non_char, coindexed_logical[*], repeated_bool
type(lock_type) :: lock_var[*], lock_array(10)[*]
!ERROR: Variable 'non_coarray_lock' with EVENT_TYPE or LOCK_TYPE must be a coarray
type(lock_type) :: non_coarray_lock
type(event_type) :: not_lock_var[*]
!___ non-standard-conforming statements ___
! type mismatches
!ERROR: Lock variable must have type LOCK_TYPE from ISO_FORTRAN_ENV
lock(not_lock_var)
!ERROR: Must have LOGICAL type, but is INTEGER(4)
lock(lock_var, acquired_lock=non_bool)
!ERROR: Must have INTEGER type, but is LOGICAL(4)
lock(lock_var, stat=non_integer)
!ERROR: Must have CHARACTER type, but is LOGICAL(4)
lock(lock_var, errmsg=non_char)
! rank mismatches
!ERROR: Must be a scalar value, but is a rank-1 array
lock(lock_array)
!ERROR: Must be a scalar value, but is a rank-1 array
lock(lock_var, acquired_lock=bool_array)
!ERROR: Must be a scalar value, but is a rank-1 array
lock(lock_var, stat=stat_array)
!ERROR: Must be a scalar value, but is a rank-1 array
lock(lock_var, errmsg=msg_array)
! corank mismatch
lock(non_coarray_lock) ! caught above
! C1173 - stat-variable and errmsg-variable shall not be a coindexed object
!ERROR: The stat-variable or errmsg-variable in a sync-stat-list may not be a coindexed object
lock(lock_var, stat=coindexed_int[1])
!ERROR: The stat-variable or errmsg-variable in a sync-stat-list may not be a coindexed object
lock(lock_var, errmsg=coindexed_msg[1])
!ERROR: The stat-variable or errmsg-variable in a sync-stat-list may not be a coindexed object
!ERROR: The stat-variable or errmsg-variable in a sync-stat-list may not be a coindexed object
lock(lock_var, acquired_lock=coindexed_logical[1], stat=coindexed_int[1], errmsg=coindexed_msg[1])
! C1181 - No specifier shall appear more than once in a given lock-stat-list
!ERROR: Multiple ACQUIRED_LOCK specifiers
lock(lock_var, acquired_lock=bool, acquired_lock=repeated_bool)
!ERROR: The stat-variable in a sync-stat-list may not be repeated
lock(lock_var, stat=status, stat=repeated_stat)
!ERROR: The errmsg-variable in a sync-stat-list may not be repeated
lock(lock_var, errmsg=error_message, errmsg=repeated_msg)
!ERROR: Multiple ACQUIRED_LOCK specifiers
lock(lock_var, acquired_lock=bool, stat=status, errmsg=error_message, acquired_lock=repeated_bool)
!ERROR: The stat-variable in a sync-stat-list may not be repeated
lock(lock_var, acquired_lock=bool, stat=status, errmsg=error_message, stat=repeated_stat)
!ERROR: The errmsg-variable in a sync-stat-list may not be repeated
lock(lock_var, acquired_lock=bool, stat=status, errmsg=error_message, errmsg=repeated_msg)
!ERROR: The stat-variable in a sync-stat-list may not be repeated
!ERROR: Multiple ACQUIRED_LOCK specifiers
lock(lock_var, acquired_lock=bool, stat=status, errmsg=error_message, acquired_lock=repeated_bool, stat=repeated_stat)
!ERROR: The errmsg-variable in a sync-stat-list may not be repeated
!ERROR: Multiple ACQUIRED_LOCK specifiers
lock(lock_var, acquired_lock=bool, stat=status, errmsg=error_message, acquired_lock=repeated_bool, errmsg=repeated_msg)
!ERROR: The stat-variable in a sync-stat-list may not be repeated
!ERROR: The errmsg-variable in a sync-stat-list may not be repeated
lock(lock_var, acquired_lock=bool, stat=status, errmsg=error_message, stat=repeated_stat, errmsg=repeated_msg)
!ERROR: The stat-variable in a sync-stat-list may not be repeated
!ERROR: The errmsg-variable in a sync-stat-list may not be repeated
!ERROR: Multiple ACQUIRED_LOCK specifiers
lock(lock_var, acquired_lock=bool, stat=status, errmsg=error_message, acquired_lock=repeated_bool, stat=repeated_stat, errmsg=repeated_msg)
contains
subroutine lockit(x)
type(lock_type), intent(in) :: x[*]
!ERROR: Lock variable is not definable
!BECAUSE: 'x' is an INTENT(IN) dummy argument
lock(x)
!ERROR: Lock variable is not definable
!BECAUSE: 'x' is an INTENT(IN) dummy argument
unlock(x)
end
end program test_lock_stmt