| st[r -- mkfs(class, ty1, fieldvar) '] = refval(r0), validrefs(str, r0 ' + refs, ty1, st), mkfs(class, ty1, fieldvar) ' ∈ instfields(st[r -- _type] .type .class), st[r -- _type] .type ≤ ty, # st .refs ≤ # refs, is_obj(str, r, st), validrefs(str, r0 ' + refs, ty1, st -- r) → # refs ≤ # (st .refs -- r) ⊦ validrefs(str, r0 ' + refs, ty1, st -- r), r = r0, r = jvmref, r ∈ refs, r0 ∈ refs, dups(refs) |
st[r -- mkfs(class, ty1, fieldvar) '] = refval(r0), validrefs(str, r0 ' + refs, ty1, st), mkfs(class, ty1, fieldvar) ' ∈ instfields(st[r -- _type] .type .class), st[r -- _type] .type ≤ ty, # st .refs ≤ # refs, is_obj(str, r, st) ⊦ r = r0, r = jvmref, validrefs(str, r0 ' + refs, ty1, st -- r), r ∈ refs, r0 ∈ refs, dups(refs)
[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ (refs + refs0) + refs1 = refs + refs0 + refs1])]]