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Implement proper deallocation #996
Description
Of:
- dicts
- lists
- strings (Implement proper string deallocation in the LLVM backend #805)
- function return values (How to handle deallocatable function return values #494)
And anything else that might leak memory currently.
Activity
czgdp1807 commentedon Aug 19, 2022
The deallocation should be implicit (done by LPython), explicit (done by user via
delstatements), right?certik commentedon Aug 20, 2022
Yes, implicit when the (allocatable) variable goes out of scope. I think dicts, lists, strings should have "allocatable" set, and then we should add some mechanism into libasr that both LFortran and LPython can use to automatically insert the "ImplicitDeallocate" ASR nodes.
And
delwould delete it right away explicitly, just likedeallocatein LFortran.