header {* \isaheader{Weak well-formedness of Jinja programs} *}
theory WWellForm imports "../Common/WellForm" Expr begin
definition wwf_J_mdecl :: "J_prog => cname => J_mb mdecl => bool"
where
"wwf_J_mdecl P C ≡ λ(M,Ts,T,(pns,body)).
length Ts = length pns ∧ distinct pns ∧ this ∉ set pns ∧ fv body ⊆ {this} ∪ set pns"
lemma wwf_J_mdecl[simp]:
"wwf_J_mdecl P C (M,Ts,T,pns,body) =
(length Ts = length pns ∧ distinct pns ∧ this ∉ set pns ∧ fv body ⊆ {this} ∪ set pns)"
by(simp add:wwf_J_mdecl_def)
abbreviation
wwf_J_prog :: "J_prog => bool" where
"wwf_J_prog == wf_prog wwf_J_mdecl"
end