# HG changeset patch # User wenzelm # Date 1631214845 -7200 # Node ID aed955bb4cb1e40bd42fd7cbc3b52d51d37019c6 # Parent 36f2c4a5c21b52ea2114d93b9ce18c373627ffd5 omit obsolete field "xs": originally from fd0f8fa2b6bd, but later unused; diff -r 36f2c4a5c21b -r aed955bb4cb1 src/Pure/Isar/expression.ML --- a/src/Pure/Isar/expression.ML Thu Sep 09 17:20:41 2021 +0200 +++ b/src/Pure/Isar/expression.ML Thu Sep 09 21:14:05 2021 +0200 @@ -572,7 +572,7 @@ val norm_term = Envir.beta_norm oo Term.subst_atomic; -fun bind_def ctxt eq (xs, env, eqs) = +fun bind_def ctxt eq (env, eqs) = let val _ = Local_Defs.cert_def ctxt (K []) eq; val ((y, T), b) = Local_Defs.abs_def eq; @@ -580,9 +580,9 @@ fun err msg = error (msg ^ ": " ^ quote y); in (case filter (fn (Free (y', _), _) => y = y' | _ => false) env of - [] => (Term.add_frees b' xs, (Free (y, T), b') :: env, eq :: eqs) + [] => ((Free (y, T), b') :: env, eq :: eqs) | dups => - if forall (fn (_, b'') => b' aconv b'') dups then (xs, env, eqs) + if forall (fn (_, b'') => b' aconv b'') dups then (env, eqs) else err "Attempt to redefine variable") end; @@ -604,14 +604,14 @@ fun eval_text _ _ (Fixes _) text = text | eval_text _ _ (Constrains _) text = text | eval_text _ is_ext (Assumes asms) - (((exts, exts'), (ints, ints')), (xs, env, defs)) = + (((exts, exts'), (ints, ints')), (env, defs)) = let val ts = maps (map #1 o #2) asms; val ts' = map (norm_term env) ts; val spec' = if is_ext then ((exts @ ts, exts' @ ts'), (ints, ints')) else ((exts, exts'), (ints @ ts, ints' @ ts')); - in (spec', (fold Term.add_frees ts' xs, env, defs)) end + in (spec', (env, defs)) end | eval_text ctxt _ (Defines defs) (spec, binds) = (spec, fold (bind_def ctxt o #1 o #2) defs binds) | eval_text _ _ (Notes _) text = text @@ -639,8 +639,8 @@ fun eval ctxt deps elems = let - val text' = fold (eval_inst ctxt) deps ((([], []), ([], [])), ([], [], [])); - val ((spec, (_, _, defs))) = fold (eval_elem ctxt) elems text'; + val text' = fold (eval_inst ctxt) deps ((([], []), ([], [])), ([], [])); + val ((spec, (_, defs))) = fold (eval_elem ctxt) elems text'; in (spec, defs) end; (* axiomsN: name of theorem set with destruct rules for locale predicates,