a50bb84ec0
In some contexts, including the motivating case of determining whether the expressions that define the shape of a variable are "constant expressions" in the sense of the Fortran standard, expression rewriting via Fold() is not necessary, and should not be required. The inquiry intrinsics LBOUND, UBOUND, and SIZE work correctly now in specification expressions and are classified correctly as being constant expressions (or not). Getting this right led to a fair amount of API clean-up as a consequence, including the folding of shapes and TypeAndShape objects, and new APIs for shapes that do not fold for those cases where folding isn't needed. Further, the symbol-testing predicate APIs in Evaluate/tools.h now all resolve any associations of their symbols and work transparently on use-, host-, and construct-association symbols; the tools used to resolve those associations have been defined and documented more precisely, and their clients adjusted as needed. Differential Revision: https://reviews.llvm.org/D94561
156 lines
4.9 KiB
Fortran
156 lines
4.9 KiB
Fortran
! RUN: %S/test_errors.sh %s %t %f18
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!Testing data constraints : C876, C877
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module m
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integer :: first
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contains
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subroutine h
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integer a,b
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!C876
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!ERROR: Host-associated object 'first' must not be initialized in a DATA statement
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DATA first /1/
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end subroutine
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function g(i)
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integer ::i
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g = i *1024
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end
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function f(i)
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integer ::i
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integer ::result
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integer, allocatable :: a
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integer :: b(i)
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character(len=i), pointer:: charPtr
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character(len=i), allocatable:: charAlloc
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!C876
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!ERROR: Dummy argument 'i' must not be initialized in a DATA statement
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DATA i /1/
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!C876
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!ERROR: Function result 'f' must not be initialized in a DATA statement
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DATA f /1/
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!C876
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!ERROR: Procedure 'g' must not be initialized in a DATA statement
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DATA g /1/
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!C876
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!ERROR: Allocatable 'a' must not be initialized in a DATA statement
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DATA a /1/
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!C876
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!ERROR: Automatic variable 'b' must not be initialized in a DATA statement
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DATA b(0) /1/
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!C876
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!Ok: As charPtr is a pointer, it is not an automatic object
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DATA charPtr / NULL() /
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!C876
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!ERROR: Allocatable 'charalloc' must not be initialized in a DATA statement
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DATA charAlloc / 'abc' /
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f = i *1024
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end
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subroutine CheckObject(i)
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type specialNumbers
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integer one
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integer numbers(5)
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type(specialNumbers), pointer :: headOfTheList
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integer, pointer, dimension(:) :: ptoarray
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character, pointer, dimension(:) :: ptochar
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end type
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type large
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integer, allocatable :: allocVal
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integer, allocatable :: elt(:)
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integer val
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type(specialNumbers) numsArray(5)
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end type
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type(large) largeNumber
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type(large), allocatable :: allocatableLarge
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type(large) :: largeNumberArray(i)
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type(large) :: largeArray(5)
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character :: name(i)
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!C877
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!ERROR: Default-initialized 'largenumber' must not be initialized in a DATA statement
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DATA(largeNumber % numsArray(j) % headOfTheList, j = 1, 10) / 10 * NULL() /
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!C877
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!ERROR: Data object must not contain pointer 'headofthelist' as a non-rightmost part
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DATA(largeNumber % numsArray(j) % headOfTheList % one, j = 1, 10) / 10 * 1 /
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!C877
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!ERROR: Rightmost data object pointer 'ptoarray' must not be subscripted
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DATA(largeNumber % numsArray(j) % ptoarray(1), j = 1, 10) / 10 * 1 /
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!C877
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!ERROR: Rightmost data object pointer 'ptochar' must not be subscripted
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DATA largeNumber % numsArray(0) % ptochar(1:2) / 'ab' /
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!C876
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!ERROR: Default-initialized 'largenumber' must not be initialized in a DATA statement
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DATA(largeNumber % elt(j) , j = 1, 10) / 10 * 1/
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!C876
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!ERROR: Default-initialized 'largearray' must not be initialized in a DATA statement
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DATA(largeArray(j) % allocVal , j = 1, 10) / 10 * 1/
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!C876
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!ERROR: Allocatable 'allocatablelarge' must not be initialized in a DATA statement
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DATA allocatableLarge % val / 1 /
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!C876
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!ERROR: Automatic variable 'largenumberarray' must not be initialized in a DATA statement
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DATA(largeNumberArray(j) % val, j = 1, 10) / 10 * NULL() /
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!C876
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!ERROR: Automatic variable 'name' must not be initialized in a DATA statement
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DATA name( : 2) / 'Ancd' /
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end
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end
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block data foo
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integer :: a,b
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common /c/ a,b
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!C876
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!OK: Correct use
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DATA a /1/
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end block data
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module m2
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integer m2_i
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type newType
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integer number
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end type
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type(newType) m2_number1
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contains
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subroutine checkDerivedType(m2_number)
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type(newType) m2_number
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type(newType) m2_number3
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!C876
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!ERROR: Dummy argument 'm2_number' must not be initialized in a DATA statement
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DATA m2_number%number /1/
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!C876
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!ERROR: Host-associated object 'm2_number1' must not be initialized in a DATA statement
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DATA m2_number1%number /1/
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!C876
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!OK: m2_number3 is not associated through use association
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DATA m2_number3%number /1/
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end
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end
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program new
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use m2
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integer a
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real b,c
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type seqType
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sequence
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integer number
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end type
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type(SeqType) num
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COMMON b,a,c,num
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type(newType) m2_number2
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!C876
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!ERROR: Blank COMMON object 'b' must not be initialized in a DATA statement
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DATA b /1/
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!C876
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!ERROR: USE-associated object 'm2_i' must not be initialized in a DATA statement
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DATA m2_i /1/
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!C876
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!ERROR: USE-associated object 'm2_number1' must not be initialized in a DATA statement
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DATA m2_number1%number /1/
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!C876
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!OK: m2_number2 is not associated through use association
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DATA m2_number2%number /1/
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!C876
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!ERROR: Blank COMMON object 'num' must not be initialized in a DATA statement
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DATA num%number /1/
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end program
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