| fis .keys = instfields(class), class+∃(str, class), validFields(r, fis, addobj(r, class, fis, st)), newref(r, st), validref(str, r, mkclasstype(class), addobj(r, class, fis, st)), mkfs(class0, ty0, fieldvar) ' × refval(r0) ∈ fis, mkfs(class0, ty0, fieldvar) ' ∈ instfields(class), validrefs(str, r0 ' + refs0, ty, st), unique_al(fis), okval(addobj(r, class, fis, st)[r -- mkfs(class0, ty0, fieldvar) '], ty0), ∀ sk. sk ∈ instfields(class) → goodfieldandtype(r, sk, addobj(r, class, fis, st)) ⊦ r = jvmref, r0 ' + refs0 = jvmref ', is_predefined_class(class), is_abstract(class), is_reftype(ty0) |
⊦ sk ∈ fis → (addobj(r, class, fis, st)[r -- sk]) = fis[sk]
mkfs(class0, ty0, fieldvar) ' ∈ fis, fis .keys = instfields(class), class+∃(str, class), validFields(r, fis, addobj(r, class, fis, st)), newref(r, st), validref(str, r, mkclasstype(class), addobj(r, class, fis, st)), mkfs(class0, ty0, fieldvar) ' × refval(r0) ∈ fis, mkfs(class0, ty0, fieldvar) ' ∈ instfields(class), validrefs(str, r0 ' + refs0, ty, st), unique_al(fis), okval(fis[mkfs(class0, ty0, fieldvar) '], ty0), ∀ sk. sk ∈ instfields(class) → goodfieldandtype(r, sk, addobj(r, class, fis, st)) ⊦ r = jvmref, r0 ' + refs0 = jvmref ', is_predefined_class(class), is_abstract(class), is_reftype(ty0)
[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ sk × val ∈ fis → sk ∈ fis])], [EXTRATERMS : (mkfs(class0, ty0, fieldvar) ', st, fis, class, r)]]