| (st[st[r -- sks2] .refval -- i ', refval(r2)][r -- sks0]) = refval(r1), st[st[r -- sks2] .refval -- _type] .type = mkarraytype(ty), (st[st[r -- sks2] .refval -- i ', refval(r2)][r -- (sks2 + i ' ' + sks1)]) = refval(r1), fits(r, sks0, st[st[r -- sks2] .refval -- i ', refval(r2)]), validref(str, r2, ty, st), disjoint(str, r ' + r2 ', st), fits(r, sks2 + i ' ' + sks1, st), r2 = jvmref → is_reftype(ty), ∀ sks. sks + i ' ' ⊑ sks2 → st[r -- sks] .refval ≠ st[r -- sks2] .refval ⊦ sks0 = [], r1 = jvmref, r = r2, st[r -- sks2] .refval = jvmref, sks0 = sks2 + i ' ' + sks1, hasSharing(r, st), hasSharing(r2, st), junkref(str, r, st), ∃ sks, sks3. sks2 + i ' ' + sks1 = sks + i ' ' + sks3 ∧ st[r -- sks] .refval = st[r -- sks2] .refval ∧ (∀ sks2. sks2 + i ' ' ⊑ sks → st[r -- sks2] .refval ≠ st[r -- sks] .refval) |
st[r -- sks2] = refval(r0) ∧ is_referencevalue(st[r -- sks2]), (st[r0 -- i ', refval(r2)][r -- sks0]) = refval(r1), st[r0 -- _type] .type = mkarraytype(ty), (st[r0 -- i ', refval(r2)][r -- (sks2 + i ' ' + sks1)]) = refval(r1), fits(r, sks0, st[r0 -- i ', refval(r2)]), validref(str, r2, ty, st), disjoint(str, r ' + r2 ', st), fits(r, sks2 + i ' ' + sks1, st), r2 = jvmref → is_reftype(ty), ∀ sks. sks + i ' ' ⊑ sks2 → st[r -- sks] .refval ≠ r0 ⊦ sks0 = [], r1 = jvmref, r = r2, r0 = jvmref, sks0 = sks2 + i ' ' + sks1, hasSharing(r, st), hasSharing(r2, st), junkref(str, r, st), ∃ sks, sks3. sks2 + i ' ' + sks1 = sks + i ' ' + sks3 ∧ st[r -- sks] .refval = r0 ∧ (∀ sks2. sks2 + i ' ' ⊑ sks → st[r -- sks2] .refval ≠ st[r -- sks] .refval)
[[CONCRETESIMPRULES : ([CSIMPNAMEDSEQ : valuefuns, , refval-xtra, ⊦ ¬ is_referencevalue(val) → val .refval = jvmref], [CSIMPNAMEDSEQ : list, storekeys, a, ⊦ (sks + sks0) + sks1 = sks + sks0 + sks1], [CSIMPELIM : is_referencevalue(val) ⊦ r = val .refval ↔ val = refval(r)])], [EXTRATERMS : (st[r -- sks2], r0)]]