feat: RefCell support #786
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Stevengre
commented
Oct 30, 2025
Comment on lines
-103
to
-107
| // Extract field offsets from the struct layout when available (Arbitrary only). | ||
| syntax MachineSizes ::= #structOffsets ( MaybeLayoutShape ) [function, total] | ||
| rule #structOffsets(someLayoutShape(layoutShape(fieldsShapeArbitrary(mk(OFFSETS)), _, _, _, _))) => OFFSETS | ||
| rule #structOffsets(noLayoutShape) => .MachineSizes | ||
| rule #structOffsets(_) => .MachineSizes [owise] |
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moved to types.md
Stevengre
commented
Oct 31, 2025
| rule #projectionsFor(CtxPointerOffset( _, OFFSET, ORIGIN_LENGTH) CTXS, PROJS) => #projectionsFor(CTXS, PointerOffset(OFFSET, ORIGIN_LENGTH) PROJS) | ||
| // Borrowing a zero-sized local that is still `NewLocal`: materialise a dummy ZST value so projection traversal succeeds without reading uninitialised data. | ||
| rule <k> rvalueRef(_REGION, KIND, place(local(I), PROJS)) |
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use reference-zero-sized.rs to test this rule
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This is a internal step for refcell
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kmir/src/tests/integration/data/prove-rs/refcell.rs: mock the spl-token domain data access process which providesmainfunction to validate the semantics' concrete support for pack/unpackRefCell<&'a mut [u8]>;dual_account_demofunction to validate the symbolic support.struct_cast_fail.rsunsafe_cell_cast.rsrefcell.rs'smainfunction;refcell.rs'sdual_account_demofunction (which may need more cheatcode support)