xref: /llvm-project/flang/test/Semantics/resolve69.f90 (revision 26ac30bcec71ae97ba740fb6cf473eac3ac37887)
1! RUN: %python %S/test_errors.py %s %flang_fc1
2subroutine s1()
3  ! C701 (R701) The type-param-value for a kind type parameter shall be a
4  ! constant expression.
5  !
6  ! C702 (R701) A colon shall not be used as a type-param-value except in the
7  ! declaration of an entity that has the POINTER or ALLOCATABLE attribute.
8  !
9  ! C704 (R703) In a declaration-type-spec, every type-param-value that is
10  ! not a colon or an asterisk shall be a specification expression.
11  !   Section 10.1.11 defines specification expressions
12  !
13  ! 15.4.2.2(4)(c) A procedure must have an explicit interface if it has a
14  ! result that has a nonassumed type parameter value that is not a constant
15  ! expression.
16  !
17  integer, parameter :: constVal = 1
18  integer :: nonConstVal = 1
19!PORTABILITY: specification expression refers to local object 'nonconstval' (initialized and saved)
20  character(nonConstVal) :: colonString1
21  character(len=20, kind=constVal + 1) :: constKindString
22  character(len=:, kind=constVal + 1), pointer :: constKindString1
23!ERROR: 'constkindstring2' has a type CHARACTER(KIND=2,LEN=:) with a deferred type parameter but is neither an allocatable nor an object pointer
24  character(len=:, kind=constVal + 1) :: constKindString2
25!ERROR: Must be a constant value
26  character(len=20, kind=nonConstVal) :: nonConstKindString
27!ERROR: 'deferredstring' has a type CHARACTER(KIND=1,LEN=:) with a deferred type parameter but is neither an allocatable nor an object pointer
28  character(len=:) :: deferredString
29!ERROR: 'colonstring2' has a type CHARACTER(KIND=1,LEN=:) with a deferred type parameter but is neither an allocatable nor an object pointer
30  character(:) :: colonString2
31  !OK because of the allocatable attribute
32  character(:), allocatable :: colonString3
33!ERROR: 'foo1' has a type CHARACTER(KIND=1,LEN=:) with a deferred type parameter but is neither an allocatable nor an object pointer
34  character(:), external :: foo1
35!ERROR: 'foo2' has a type CHARACTER(KIND=1,LEN=:) with a deferred type parameter but is neither an allocatable nor an object pointer
36  procedure(character(:)) :: foo2
37  interface
38    function foo3()
39!ERROR: 'foo3' has a type CHARACTER(KIND=1,LEN=:) with a deferred type parameter but is neither an allocatable nor an object pointer
40      character(:) foo3
41    end function
42  end interface
43
44!ERROR: Must have INTEGER type, but is REAL(4)
45  character(3.5) :: badParamValue
46
47  type derived(typeKind, typeLen)
48    integer, kind :: typeKind
49    integer, len :: typeLen
50    character(typeKind) :: kindValue
51    character(typeLen) :: lenValue
52  end type derived
53
54  type (derived(constVal, 3)) :: constDerivedKind
55!ERROR: Value of KIND type parameter 'typekind' must be constant
56!PORTABILITY: specification expression refers to local object 'nonconstval' (initialized and saved)
57  type (derived(nonConstVal, 3)) :: nonConstDerivedKind
58
59  !OK because all type-params are constants
60  type (derived(3, constVal)) :: constDerivedLen
61
62!PORTABILITY: specification expression refers to local object 'nonconstval' (initialized and saved)
63  type (derived(3, nonConstVal)) :: nonConstDerivedLen
64!ERROR: 'colonderivedlen' has a type derived(typekind=3_4,typelen=:) with a deferred type parameter but is neither an allocatable nor an object pointer
65  type (derived(3, :)) :: colonDerivedLen
66!ERROR: Value of KIND type parameter 'typekind' must be constant
67!ERROR: 'colonderivedlen1' has a type derived(typekind=:,typelen=:) with a deferred type parameter but is neither an allocatable nor an object pointer
68  type (derived( :, :)) :: colonDerivedLen1
69  type (derived( :, :)), pointer :: colonDerivedLen2
70  type (derived(4, :)), pointer :: colonDerivedLen3
71end subroutine s1
72
73!C702
74!ERROR: 'f1' has a type CHARACTER(KIND=1,LEN=:) with a deferred type parameter but is neither an allocatable nor an object pointer
75character(:) function f1
76end function
77
78function f2
79!ERROR: 'f2' has a type CHARACTER(KIND=1,LEN=:) with a deferred type parameter but is neither an allocatable nor an object pointer
80  character(:) f2
81end function
82
83function f3() result(res)
84!ERROR: 'res' has a type CHARACTER(KIND=1,LEN=:) with a deferred type parameter but is neither an allocatable nor an object pointer
85  character(:) res
86end function
87
88!ERROR: 'f4' has a type CHARACTER(KIND=1,LEN=:) with a deferred type parameter but is neither an allocatable nor an object pointer
89function f4
90  implicit character(:)(f)
91end function
92
93!Not errors.
94
95Program d5
96  Type string(maxlen)
97    Integer,Kind :: maxlen
98    Character(maxlen) :: value
99  End Type
100  Type(string(80)) line
101  line%value = 'ok'
102  Print *,Trim(line%value)
103End Program
104
105subroutine outer
106  integer n
107 contains
108  character(n) function inner1()
109    inner1 = ''
110  end function inner1
111  function inner2()
112    real inner2(n)
113  end function inner2
114end subroutine outer
115
116subroutine s2(dp,dpp)
117  !ERROR: 'dp' has a type CHARACTER(KIND=1,LEN=:) with a deferred type parameter but is neither an allocatable nor an object pointer
118  procedure(character(:)) :: dp
119  !ERROR: 'dpp' has a type CHARACTER(KIND=1,LEN=:) with a deferred type parameter but is neither an allocatable nor an object pointer
120  procedure(character(:)), pointer :: dpp
121  !ERROR: 'pp' has a type CHARACTER(KIND=1,LEN=:) with a deferred type parameter but is neither an allocatable nor an object pointer
122  procedure(character(:)), pointer :: pp
123  !ERROR: 'xp' has a type CHARACTER(KIND=1,LEN=:) with a deferred type parameter but is neither an allocatable nor an object pointer
124  procedure(character(:)) :: xp
125end subroutine
126