author | boehmes |
Mon, 20 Dec 2010 22:02:57 +0100 | |
changeset 41328 | 6792a5c92a58 |
parent 41281 | 679118e35378 |
child 41426 | 09615ed31f04 |
permissions | -rw-r--r-- |
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(* Title: HOL/Tools/SMT/smt_translate.ML |
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Author: Sascha Boehme, TU Muenchen |
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Translate theorems into an SMT intermediate format and serialize them. |
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*) |
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signature SMT_TRANSLATE = |
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sig |
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(*intermediate term structure*) |
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datatype squant = SForall | SExists |
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datatype 'a spattern = SPat of 'a list | SNoPat of 'a list |
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datatype sterm = |
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SVar of int | |
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SApp of string * sterm list | |
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SLet of string * sterm * sterm | |
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SQua of squant * string list * sterm spattern list * int option * sterm |
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(*translation configuration*) |
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type prefixes = {sort_prefix: string, func_prefix: string} |
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type sign = { |
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header: string list, |
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sorts: string list, |
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dtyps: (string * (string * (string * string) list) list) list list, |
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funcs: (string * (string list * string)) list } |
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type config = { |
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prefixes: prefixes, |
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header: term list -> string list, |
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is_fol: bool, |
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has_datatypes: bool, |
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serialize: string list -> sign -> sterm list -> string } |
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type recon = { |
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context: Proof.context, |
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typs: typ Symtab.table, |
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terms: term Symtab.table, |
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rewrite_rules: thm list, |
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assms: (int * thm) list } |
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(*translation*) |
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val add_config: SMT_Utils.class * (Proof.context -> config) -> |
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Context.generic -> Context.generic |
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val translate: Proof.context -> string list -> (int * thm) list -> |
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string * recon |
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end |
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structure SMT_Translate: SMT_TRANSLATE = |
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struct |
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(* intermediate term structure *) |
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datatype squant = SForall | SExists |
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datatype 'a spattern = SPat of 'a list | SNoPat of 'a list |
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datatype sterm = |
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SVar of int | |
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SApp of string * sterm list | |
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SLet of string * sterm * sterm | |
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SQua of squant * string list * sterm spattern list * int option * sterm |
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(* translation configuration *) |
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type prefixes = {sort_prefix: string, func_prefix: string} |
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type sign = { |
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header: string list, |
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sorts: string list, |
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dtyps: (string * (string * (string * string) list) list) list list, |
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funcs: (string * (string list * string)) list } |
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type config = { |
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prefixes: prefixes, |
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header: term list -> string list, |
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is_fol: bool, |
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has_datatypes: bool, |
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serialize: string list -> sign -> sterm list -> string } |
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type recon = { |
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context: Proof.context, |
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typs: typ Symtab.table, |
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terms: term Symtab.table, |
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rewrite_rules: thm list, |
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keep track of theorems initially given to SMT (even if they are rewritten); provide interface to filter theorems necessary for SMT proofs
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39535
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assms: (int * thm) list } |
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(* translation context *) |
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fun make_tr_context {sort_prefix, func_prefix} = |
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(sort_prefix, 1, Typtab.empty, func_prefix, 1, Termtab.empty) |
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fun string_of_index pre i = pre ^ string_of_int i |
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fun add_typ T proper (cx as (sp, Tidx, typs, fp, idx, terms)) = |
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(case Typtab.lookup typs T of |
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SOME (n, _) => (n, cx) |
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| NONE => |
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let |
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val n = string_of_index sp Tidx |
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val typs' = Typtab.update (T, (n, proper)) typs |
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in (n, (sp, Tidx+1, typs', fp, idx, terms)) end) |
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fun add_fun t sort (cx as (sp, Tidx, typs, fp, idx, terms)) = |
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(case Termtab.lookup terms t of |
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SOME (n, _) => (n, cx) |
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| NONE => |
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let |
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val n = string_of_index fp idx |
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val terms' = Termtab.update (t, (n, sort)) terms |
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in (n, (sp, Tidx, typs, fp, idx+1, terms')) end) |
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fun sign_of header dtyps (_, _, typs, _, _, terms) = { |
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header = header, |
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sorts = Typtab.fold (fn (_, (n, true)) => cons n | _ => I) typs [], |
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dtyps = dtyps, |
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funcs = Termtab.fold (fn (_, (n, SOME ss)) => cons (n,ss) | _ => I) terms []} |
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fun recon_of ctxt rules thms ithms (_, _, typs, _, _, terms) = |
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let |
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fun add_typ (T, (n, _)) = Symtab.update (n, T) |
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val typs' = Typtab.fold add_typ typs Symtab.empty |
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fun add_fun (t, (n, _)) = Symtab.update (n, t) |
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val terms' = Termtab.fold add_fun terms Symtab.empty |
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val assms = map (pair ~1) thms @ ithms |
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in |
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{context=ctxt, typs=typs', terms=terms', rewrite_rules=rules, assms=assms} |
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end |
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(* preprocessing *) |
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(** FIXME **) |
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local |
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(* |
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force eta-expansion for constructors and selectors, |
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add missing datatype selectors via hypothetical definitions, |
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also return necessary datatype and record theorems |
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*) |
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in |
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fun collect_datatypes_and_records (tr_context, ctxt) ts = |
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(([], tr_context, ctxt), ts) |
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end |
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|
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(** eta-expand quantifiers, let expressions and built-ins *) |
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154 |
|
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155 |
local |
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fun eta T t = Abs (Name.uu, T, Term.incr_boundvars 1 t $ Bound 0) |
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157 |
|
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fun exp T = eta (Term.domain_type (Term.domain_type T)) |
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|
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fun exp2 T q = |
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let val U = Term.domain_type T |
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in Abs (Name.uu, U, q $ eta (Term.domain_type U) (Bound 0)) end |
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163 |
|
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fun exp2' T l = |
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let val (U1, U2) = Term.dest_funT T ||> Term.domain_type |
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in Abs (Name.uu, U1, eta U2 (l $ Bound 0)) end |
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167 |
|
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fun expf k i T t = |
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let val Ts = drop i (fst (SMT_Utils.dest_funT k T)) |
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in |
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Term.incr_boundvars (length Ts) t |
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|> fold_index (fn (i, _) => fn u => u $ Bound i) Ts |
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|> fold_rev (fn T => fn u => Abs (Name.uu, T, u)) Ts |
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end |
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in |
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fun eta_expand ctxt = |
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let |
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fun expand ((q as Const (@{const_name All}, _)) $ Abs a) = q $ abs_expand a |
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| expand ((q as Const (@{const_name All}, T)) $ t) = q $ exp T t |
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| expand (q as Const (@{const_name All}, T)) = exp2 T q |
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| expand ((q as Const (@{const_name Ex}, _)) $ Abs a) = q $ abs_expand a |
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| expand ((q as Const (@{const_name Ex}, T)) $ t) = q $ exp T t |
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| expand (q as Const (@{const_name Ex}, T)) = exp2 T q |
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| expand ((l as Const (@{const_name Let}, _)) $ t $ Abs a) = |
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l $ expand t $ abs_expand a |
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| expand ((l as Const (@{const_name Let}, T)) $ t $ u) = |
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l $ expand t $ exp (Term.range_type T) u |
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| expand ((l as Const (@{const_name Let}, T)) $ t) = |
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exp2 T (l $ expand t) |
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| expand (l as Const (@{const_name Let}, T)) = exp2' T l |
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| expand t = |
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(case Term.strip_comb t of |
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(u as Const (c as (_, T)), ts) => |
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(case SMT_Builtin.dest_builtin ctxt c ts of |
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SOME (_, k, us, mk) => |
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if k = length us then mk (map expand us) |
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else expf k (length ts) T (mk (map expand us)) |
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| NONE => Term.list_comb (u, map expand ts)) |
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| (Abs a, ts) => Term.list_comb (abs_expand a, map expand ts) |
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| (u, ts) => Term.list_comb (u, map expand ts)) |
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202 |
|
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and abs_expand (n, T, t) = Abs (n, T, expand t) |
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|
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in map expand end |
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|
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207 |
end |
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208 |
|
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209 |
|
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210 |
(** lambda-lifting **) |
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211 |
|
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212 |
local |
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213 |
fun mk_def Ts T lhs rhs = |
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214 |
let |
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215 |
val eq = HOLogic.eq_const T $ lhs $ rhs |
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216 |
val trigger = |
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217 |
[[Const (@{const_name SMT.pat}, T --> @{typ SMT.pattern}) $ lhs]] |
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218 |
|> map (HOLogic.mk_list @{typ SMT.pattern}) |
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219 |
|> HOLogic.mk_list @{typ "SMT.pattern list"} |
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220 |
fun mk_all T t = HOLogic.all_const T $ Abs (Name.uu, T, t) |
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in fold mk_all Ts (@{const SMT.trigger} $ trigger $ eq) end |
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222 |
|
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fun mk_abs Ts = fold (fn T => fn t => Abs (Name.uu, T, t)) Ts |
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|
224 |
|
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225 |
fun dest_abs Ts (Abs (_, T, t)) = dest_abs (T :: Ts) t |
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|
226 |
| dest_abs Ts t = (Ts, t) |
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227 |
|
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228 |
fun replace_lambda Us Ts t (cx as (defs, ctxt)) = |
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229 |
let |
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230 |
val t1 = mk_abs Us t |
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231 |
val bs = sort int_ord (Term.add_loose_bnos (t1, 0, [])) |
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|
232 |
fun rep i k = if member (op =) bs i then (Bound k, k+1) else (Bound i, k) |
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233 |
val (rs, _) = fold_map rep (0 upto length Ts - 1) 0 |
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234 |
val t2 = Term.subst_bounds (rs, t1) |
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235 |
val Ts' = map (nth Ts) bs |
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236 |
val (_, t3) = dest_abs [] t2 |
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237 |
val t4 = mk_abs Ts' t2 |
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238 |
|
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239 |
val T = Term.fastype_of1 (Us @ Ts, t) |
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240 |
fun app f = Term.list_comb (f, map Bound (rev bs)) |
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241 |
in |
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242 |
(case Termtab.lookup defs t4 of |
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243 |
SOME (f, _) => (app f, cx) |
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244 |
| NONE => |
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245 |
let |
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246 |
val (n, ctxt') = |
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247 |
yield_singleton Variable.variant_fixes Name.uu ctxt |
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248 |
val (is, UTs) = split_list (map_index I (Us @ Ts')) |
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249 |
val f = Free (n, rev UTs ---> T) |
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val lhs = Term.list_comb (f, map Bound (rev is)) |
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val def = mk_def UTs (Term.fastype_of1 (Us @ Ts, t)) lhs t3 |
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in (app f, (Termtab.update (t4, (f, def)) defs, ctxt')) end) |
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end |
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|
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fun traverse Ts t = |
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(case t of |
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(q as Const (@{const_name All}, _)) $ Abs a => |
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abs_traverse Ts a #>> (fn a' => q $ Abs a') |
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| (q as Const (@{const_name Ex}, _)) $ Abs a => |
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abs_traverse Ts a #>> (fn a' => q $ Abs a') |
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| (l as Const (@{const_name Let}, _)) $ u $ Abs a => |
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traverse Ts u ##>> abs_traverse Ts a #>> |
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(fn (u', a') => l $ u' $ Abs a') |
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| Abs _ => |
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let val (Us, u) = dest_abs [] t |
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in traverse (Us @ Ts) u #-> replace_lambda Us Ts end |
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| u1 $ u2 => traverse Ts u1 ##>> traverse Ts u2 #>> (op $) |
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| _ => pair t) |
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|
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and abs_traverse Ts (n, T, t) = traverse (T::Ts) t #>> (fn t' => (n, T, t')) |
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271 |
in |
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|
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fun lift_lambdas ctxt ts = |
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(Termtab.empty, ctxt) |
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|> fold_map (traverse []) ts |
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|> (fn (us, (defs, ctxt')) => |
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(ctxt', Termtab.fold (cons o snd o snd) defs us)) |
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|
278 |
|
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|
279 |
end |
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280 |
|
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|
281 |
|
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|
282 |
(** introduce explicit applications **) |
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|
283 |
|
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284 |
local |
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|
285 |
(* |
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|
286 |
Make application explicit for functions with varying number of arguments. |
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|
287 |
*) |
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288 |
|
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289 |
fun add t i = Termtab.map_default (t, i) (Integer.min i) |
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290 |
|
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291 |
fun min_arities t = |
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292 |
(case Term.strip_comb t of |
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293 |
(u as Const _, ts) => add u (length ts) #> fold min_arities ts |
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|
294 |
| (u as Free _, ts) => add u (length ts) #> fold min_arities ts |
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|
295 |
| (Abs (_, _, u), ts) => min_arities u #> fold min_arities ts |
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296 |
| (_, ts) => fold min_arities ts) |
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|
297 |
|
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298 |
fun app u (t, T) = |
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|
299 |
(Const (@{const_name SMT.fun_app}, T --> T) $ t $ u, Term.range_type T) |
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300 |
|
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|
301 |
fun apply i t T ts = |
41328
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302 |
let |
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303 |
val (ts1, ts2) = chop i ts |
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304 |
val (_, U) = SMT_Utils.dest_funT i T |
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|
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in fst (fold app ts2 (Term.list_comb (t, ts1), U)) end |
41127
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|
306 |
in |
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|
307 |
|
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|
308 |
fun intro_explicit_application ts = |
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309 |
let |
41232
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|
310 |
val arities = fold min_arities ts Termtab.empty |
4ea9f2a8c093
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|
311 |
fun apply' t = apply (the (Termtab.lookup arities t)) t |
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|
312 |
|
41232
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|
313 |
fun traverse Ts t = |
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|
314 |
(case Term.strip_comb t of |
41232
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|
315 |
(u as Const (_, T), ts) => apply' u T (map (traverse Ts) ts) |
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|
316 |
| (u as Free (_, T), ts) => apply' u T (map (traverse Ts) ts) |
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|
317 |
| (u as Bound i, ts) => apply 0 u (nth Ts i) (map (traverse Ts) ts) |
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|
318 |
| (Abs (n, T, u), ts) => traverses Ts (Abs (n, T, traverse (T::Ts) u)) ts |
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|
319 |
| (u, ts) => traverses Ts u ts) |
4ea9f2a8c093
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|
320 |
and traverses Ts t ts = Term.list_comb (t, map (traverse Ts) ts) |
4ea9f2a8c093
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|
321 |
in map (traverse []) ts end |
41127
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|
322 |
|
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|
323 |
val fun_app_eq = mk_meta_eq @{thm SMT.fun_app_def} |
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|
324 |
|
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|
325 |
end |
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|
326 |
|
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|
327 |
|
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|
328 |
(** map HOL formulas to FOL formulas (i.e., separate formulas froms terms) **) |
2ea84c8535c6
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|
329 |
|
41281
679118e35378
removed odd decoration of built-in symbols as Vars (instead provide built-in desctructor functions along with their inverse functions);
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|
330 |
local |
679118e35378
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|
331 |
val term_bool = @{lemma "SMT.term_true ~= SMT.term_false" |
679118e35378
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|
332 |
by (simp add: SMT.term_true_def SMT.term_false_def)} |
41127
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|
333 |
|
41281
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|
334 |
val fol_rules = [ |
679118e35378
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|
335 |
Let_def, |
679118e35378
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|
336 |
mk_meta_eq @{thm SMT.term_true_def}, |
679118e35378
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|
337 |
mk_meta_eq @{thm SMT.term_false_def}, |
679118e35378
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|
338 |
@{lemma "P = True == P" by (rule eq_reflection) simp}, |
679118e35378
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|
339 |
@{lemma "if P then True else False == P" by (rule eq_reflection) simp}] |
41127
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|
340 |
|
41281
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|
341 |
fun reduce_let (Const (@{const_name Let}, _) $ t $ u) = |
679118e35378
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|
342 |
reduce_let (Term.betapply (u, t)) |
679118e35378
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|
343 |
| reduce_let (t $ u) = reduce_let t $ reduce_let u |
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|
344 |
| reduce_let (Abs (n, T, t)) = Abs (n, T, reduce_let t) |
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|
345 |
| reduce_let t = t |
41127
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re-implemented eta-expansion, lambda-lifting, and explicit application on terms (exploiting the control over the term structure);
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changeset
|
346 |
|
41281
679118e35378
removed odd decoration of built-in symbols as Vars (instead provide built-in desctructor functions along with their inverse functions);
boehmes
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changeset
|
347 |
fun as_term t = @{const HOL.eq (bool)} $ t $ @{const SMT.term_true} |
41127
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diff
changeset
|
348 |
|
41281
679118e35378
removed odd decoration of built-in symbols as Vars (instead provide built-in desctructor functions along with their inverse functions);
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changeset
|
349 |
fun wrap_in_if t = |
679118e35378
removed odd decoration of built-in symbols as Vars (instead provide built-in desctructor functions along with their inverse functions);
boehmes
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diff
changeset
|
350 |
@{const If (bool)} $ t $ @{const SMT.term_true} $ @{const SMT.term_false} |
679118e35378
removed odd decoration of built-in symbols as Vars (instead provide built-in desctructor functions along with their inverse functions);
boehmes
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diff
changeset
|
351 |
|
679118e35378
removed odd decoration of built-in symbols as Vars (instead provide built-in desctructor functions along with their inverse functions);
boehmes
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diff
changeset
|
352 |
fun is_builtin_conn_or_pred ctxt c ts = |
41328
6792a5c92a58
avoid ML structure aliases (especially single-letter abbreviations)
boehmes
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diff
changeset
|
353 |
is_some (SMT_Builtin.dest_builtin_conn ctxt c ts) orelse |
6792a5c92a58
avoid ML structure aliases (especially single-letter abbreviations)
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diff
changeset
|
354 |
is_some (SMT_Builtin.dest_builtin_pred ctxt c ts) |
41127
2ea84c8535c6
re-implemented eta-expansion, lambda-lifting, and explicit application on terms (exploiting the control over the term structure);
boehmes
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diff
changeset
|
355 |
|
41281
679118e35378
removed odd decoration of built-in symbols as Vars (instead provide built-in desctructor functions along with their inverse functions);
boehmes
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diff
changeset
|
356 |
fun builtin b ctxt c ts = |
679118e35378
removed odd decoration of built-in symbols as Vars (instead provide built-in desctructor functions along with their inverse functions);
boehmes
parents:
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diff
changeset
|
357 |
(case (Const c, ts) of |
679118e35378
removed odd decoration of built-in symbols as Vars (instead provide built-in desctructor functions along with their inverse functions);
boehmes
parents:
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diff
changeset
|
358 |
(@{const HOL.eq (bool)}, [t, u]) => |
679118e35378
removed odd decoration of built-in symbols as Vars (instead provide built-in desctructor functions along with their inverse functions);
boehmes
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diff
changeset
|
359 |
if t = @{const SMT.term_true} orelse u = @{const SMT.term_true} then |
41328
6792a5c92a58
avoid ML structure aliases (especially single-letter abbreviations)
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parents:
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diff
changeset
|
360 |
SMT_Builtin.dest_builtin_eq ctxt t u |
41281
679118e35378
removed odd decoration of built-in symbols as Vars (instead provide built-in desctructor functions along with their inverse functions);
boehmes
parents:
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diff
changeset
|
361 |
else b ctxt c ts |
679118e35378
removed odd decoration of built-in symbols as Vars (instead provide built-in desctructor functions along with their inverse functions);
boehmes
parents:
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diff
changeset
|
362 |
| _ => b ctxt c ts) |
679118e35378
removed odd decoration of built-in symbols as Vars (instead provide built-in desctructor functions along with their inverse functions);
boehmes
parents:
41250
diff
changeset
|
363 |
in |
41127
2ea84c8535c6
re-implemented eta-expansion, lambda-lifting, and explicit application on terms (exploiting the control over the term structure);
boehmes
parents:
41123
diff
changeset
|
364 |
|
41281
679118e35378
removed odd decoration of built-in symbols as Vars (instead provide built-in desctructor functions along with their inverse functions);
boehmes
parents:
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diff
changeset
|
365 |
fun folify ctxt = |
41127
2ea84c8535c6
re-implemented eta-expansion, lambda-lifting, and explicit application on terms (exploiting the control over the term structure);
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changeset
|
366 |
let |
2ea84c8535c6
re-implemented eta-expansion, lambda-lifting, and explicit application on terms (exploiting the control over the term structure);
boehmes
parents:
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diff
changeset
|
367 |
fun in_list T f t = HOLogic.mk_list T (map f (HOLogic.dest_list t)) |
2ea84c8535c6
re-implemented eta-expansion, lambda-lifting, and explicit application on terms (exploiting the control over the term structure);
boehmes
parents:
41123
diff
changeset
|
368 |
|
2ea84c8535c6
re-implemented eta-expansion, lambda-lifting, and explicit application on terms (exploiting the control over the term structure);
boehmes
parents:
41123
diff
changeset
|
369 |
fun in_term t = |
2ea84c8535c6
re-implemented eta-expansion, lambda-lifting, and explicit application on terms (exploiting the control over the term structure);
boehmes
parents:
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diff
changeset
|
370 |
(case Term.strip_comb t of |
41281
679118e35378
removed odd decoration of built-in symbols as Vars (instead provide built-in desctructor functions along with their inverse functions);
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parents:
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diff
changeset
|
371 |
(@{const True}, []) => @{const SMT.term_true} |
679118e35378
removed odd decoration of built-in symbols as Vars (instead provide built-in desctructor functions along with their inverse functions);
boehmes
parents:
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diff
changeset
|
372 |
| (@{const False}, []) => @{const SMT.term_false} |
679118e35378
removed odd decoration of built-in symbols as Vars (instead provide built-in desctructor functions along with their inverse functions);
boehmes
parents:
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diff
changeset
|
373 |
| (u as Const (@{const_name If}, _), [t1, t2, t3]) => |
679118e35378
removed odd decoration of built-in symbols as Vars (instead provide built-in desctructor functions along with their inverse functions);
boehmes
parents:
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diff
changeset
|
374 |
u $ in_form t1 $ in_term t2 $ in_term t3 |
41127
2ea84c8535c6
re-implemented eta-expansion, lambda-lifting, and explicit application on terms (exploiting the control over the term structure);
boehmes
parents:
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diff
changeset
|
375 |
| (Const c, ts) => |
41281
679118e35378
removed odd decoration of built-in symbols as Vars (instead provide built-in desctructor functions along with their inverse functions);
boehmes
parents:
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diff
changeset
|
376 |
if is_builtin_conn_or_pred ctxt c ts then wrap_in_if (in_form t) |
679118e35378
removed odd decoration of built-in symbols as Vars (instead provide built-in desctructor functions along with their inverse functions);
boehmes
parents:
41250
diff
changeset
|
377 |
else Term.list_comb (Const c, map in_term ts) |
679118e35378
removed odd decoration of built-in symbols as Vars (instead provide built-in desctructor functions along with their inverse functions);
boehmes
parents:
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diff
changeset
|
378 |
| (Free c, ts) => Term.list_comb (Free c, map in_term ts) |
41127
2ea84c8535c6
re-implemented eta-expansion, lambda-lifting, and explicit application on terms (exploiting the control over the term structure);
boehmes
parents:
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diff
changeset
|
379 |
| _ => t) |
2ea84c8535c6
re-implemented eta-expansion, lambda-lifting, and explicit application on terms (exploiting the control over the term structure);
boehmes
parents:
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diff
changeset
|
380 |
|
2ea84c8535c6
re-implemented eta-expansion, lambda-lifting, and explicit application on terms (exploiting the control over the term structure);
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parents:
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changeset
|
381 |
and in_weight ((c as @{const SMT.weight}) $ w $ t) = c $ w $ in_form t |
2ea84c8535c6
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boehmes
parents:
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diff
changeset
|
382 |
| in_weight t = in_form t |
2ea84c8535c6
re-implemented eta-expansion, lambda-lifting, and explicit application on terms (exploiting the control over the term structure);
boehmes
parents:
41123
diff
changeset
|
383 |
|
41281
679118e35378
removed odd decoration of built-in symbols as Vars (instead provide built-in desctructor functions along with their inverse functions);
boehmes
parents:
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diff
changeset
|
384 |
and in_pat ((p as Const (@{const_name SMT.pat}, _)) $ t) = p $ in_term t |
679118e35378
removed odd decoration of built-in symbols as Vars (instead provide built-in desctructor functions along with their inverse functions);
boehmes
parents:
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diff
changeset
|
385 |
| in_pat ((p as Const (@{const_name SMT.nopat}, _)) $ t) = p $ in_term t |
41127
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re-implemented eta-expansion, lambda-lifting, and explicit application on terms (exploiting the control over the term structure);
boehmes
parents:
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diff
changeset
|
386 |
| in_pat t = raise TERM ("bad pattern", [t]) |
2ea84c8535c6
re-implemented eta-expansion, lambda-lifting, and explicit application on terms (exploiting the control over the term structure);
boehmes
parents:
41123
diff
changeset
|
387 |
|
2ea84c8535c6
re-implemented eta-expansion, lambda-lifting, and explicit application on terms (exploiting the control over the term structure);
boehmes
parents:
41123
diff
changeset
|
388 |
and in_pats ps = |
41232
4ea9f2a8c093
fixed lambda-lifting: shift indices of bound variables correctly (after locking the required bound variables) and apply bound variables to the new function symbol in the right order;
boehmes
parents:
41198
diff
changeset
|
389 |
in_list @{typ "SMT.pattern list"} (in_list @{typ SMT.pattern} in_pat) ps |
41127
2ea84c8535c6
re-implemented eta-expansion, lambda-lifting, and explicit application on terms (exploiting the control over the term structure);
boehmes
parents:
41123
diff
changeset
|
390 |
|
41281
679118e35378
removed odd decoration of built-in symbols as Vars (instead provide built-in desctructor functions along with their inverse functions);
boehmes
parents:
41250
diff
changeset
|
391 |
and in_trigger ((c as @{const SMT.trigger}) $ p $ t) = |
41232
4ea9f2a8c093
fixed lambda-lifting: shift indices of bound variables correctly (after locking the required bound variables) and apply bound variables to the new function symbol in the right order;
boehmes
parents:
41198
diff
changeset
|
392 |
c $ in_pats p $ in_weight t |
41281
679118e35378
removed odd decoration of built-in symbols as Vars (instead provide built-in desctructor functions along with their inverse functions);
boehmes
parents:
41250
diff
changeset
|
393 |
| in_trigger t = in_weight t |
41127
2ea84c8535c6
re-implemented eta-expansion, lambda-lifting, and explicit application on terms (exploiting the control over the term structure);
boehmes
parents:
41123
diff
changeset
|
394 |
|
2ea84c8535c6
re-implemented eta-expansion, lambda-lifting, and explicit application on terms (exploiting the control over the term structure);
boehmes
parents:
41123
diff
changeset
|
395 |
and in_form t = |
2ea84c8535c6
re-implemented eta-expansion, lambda-lifting, and explicit application on terms (exploiting the control over the term structure);
boehmes
parents:
41123
diff
changeset
|
396 |
(case Term.strip_comb t of |
2ea84c8535c6
re-implemented eta-expansion, lambda-lifting, and explicit application on terms (exploiting the control over the term structure);
boehmes
parents:
41123
diff
changeset
|
397 |
(q as Const (qn, _), [Abs (n, T, u)]) => |
2ea84c8535c6
re-implemented eta-expansion, lambda-lifting, and explicit application on terms (exploiting the control over the term structure);
boehmes
parents:
41123
diff
changeset
|
398 |
if member (op =) [@{const_name All}, @{const_name Ex}] qn then |
41281
679118e35378
removed odd decoration of built-in symbols as Vars (instead provide built-in desctructor functions along with their inverse functions);
boehmes
parents:
41250
diff
changeset
|
399 |
q $ Abs (n, T, in_trigger u) |
41127
2ea84c8535c6
re-implemented eta-expansion, lambda-lifting, and explicit application on terms (exploiting the control over the term structure);
boehmes
parents:
41123
diff
changeset
|
400 |
else as_term (in_term t) |
41281
679118e35378
removed odd decoration of built-in symbols as Vars (instead provide built-in desctructor functions along with their inverse functions);
boehmes
parents:
41250
diff
changeset
|
401 |
| (Const c, ts) => |
41328
6792a5c92a58
avoid ML structure aliases (especially single-letter abbreviations)
boehmes
parents:
41281
diff
changeset
|
402 |
(case SMT_Builtin.dest_builtin_conn ctxt c ts of |
41281
679118e35378
removed odd decoration of built-in symbols as Vars (instead provide built-in desctructor functions along with their inverse functions);
boehmes
parents:
41250
diff
changeset
|
403 |
SOME (_, _, us, mk) => mk (map in_form us) |
679118e35378
removed odd decoration of built-in symbols as Vars (instead provide built-in desctructor functions along with their inverse functions);
boehmes
parents:
41250
diff
changeset
|
404 |
| NONE => |
41328
6792a5c92a58
avoid ML structure aliases (especially single-letter abbreviations)
boehmes
parents:
41281
diff
changeset
|
405 |
(case SMT_Builtin.dest_builtin_pred ctxt c ts of |
41281
679118e35378
removed odd decoration of built-in symbols as Vars (instead provide built-in desctructor functions along with their inverse functions);
boehmes
parents:
41250
diff
changeset
|
406 |
SOME (_, _, us, mk) => mk (map in_term us) |
679118e35378
removed odd decoration of built-in symbols as Vars (instead provide built-in desctructor functions along with their inverse functions);
boehmes
parents:
41250
diff
changeset
|
407 |
| NONE => as_term (in_term t))) |
41127
2ea84c8535c6
re-implemented eta-expansion, lambda-lifting, and explicit application on terms (exploiting the control over the term structure);
boehmes
parents:
41123
diff
changeset
|
408 |
| _ => as_term (in_term t)) |
2ea84c8535c6
re-implemented eta-expansion, lambda-lifting, and explicit application on terms (exploiting the control over the term structure);
boehmes
parents:
41123
diff
changeset
|
409 |
in |
2ea84c8535c6
re-implemented eta-expansion, lambda-lifting, and explicit application on terms (exploiting the control over the term structure);
boehmes
parents:
41123
diff
changeset
|
410 |
map (reduce_let #> in_form) #> |
41328
6792a5c92a58
avoid ML structure aliases (especially single-letter abbreviations)
boehmes
parents:
41281
diff
changeset
|
411 |
cons (SMT_Utils.prop_of term_bool) #> |
41281
679118e35378
removed odd decoration of built-in symbols as Vars (instead provide built-in desctructor functions along with their inverse functions);
boehmes
parents:
41250
diff
changeset
|
412 |
pair (fol_rules, [term_bool], builtin) |
41127
2ea84c8535c6
re-implemented eta-expansion, lambda-lifting, and explicit application on terms (exploiting the control over the term structure);
boehmes
parents:
41123
diff
changeset
|
413 |
end |
2ea84c8535c6
re-implemented eta-expansion, lambda-lifting, and explicit application on terms (exploiting the control over the term structure);
boehmes
parents:
41123
diff
changeset
|
414 |
|
41281
679118e35378
removed odd decoration of built-in symbols as Vars (instead provide built-in desctructor functions along with their inverse functions);
boehmes
parents:
41250
diff
changeset
|
415 |
end |
41127
2ea84c8535c6
re-implemented eta-expansion, lambda-lifting, and explicit application on terms (exploiting the control over the term structure);
boehmes
parents:
41123
diff
changeset
|
416 |
|
2ea84c8535c6
re-implemented eta-expansion, lambda-lifting, and explicit application on terms (exploiting the control over the term structure);
boehmes
parents:
41123
diff
changeset
|
417 |
|
2ea84c8535c6
re-implemented eta-expansion, lambda-lifting, and explicit application on terms (exploiting the control over the term structure);
boehmes
parents:
41123
diff
changeset
|
418 |
(* translation into intermediate format *) |
2ea84c8535c6
re-implemented eta-expansion, lambda-lifting, and explicit application on terms (exploiting the control over the term structure);
boehmes
parents:
41123
diff
changeset
|
419 |
|
2ea84c8535c6
re-implemented eta-expansion, lambda-lifting, and explicit application on terms (exploiting the control over the term structure);
boehmes
parents:
41123
diff
changeset
|
420 |
(** utility functions **) |
36898 | 421 |
|
422 |
val quantifier = (fn |
|
423 |
@{const_name All} => SOME SForall |
|
424 |
| @{const_name Ex} => SOME SExists |
|
425 |
| _ => NONE) |
|
426 |
||
427 |
fun group_quant qname Ts (t as Const (q, _) $ Abs (_, T, u)) = |
|
428 |
if q = qname then group_quant qname (T :: Ts) u else (Ts, t) |
|
429 |
| group_quant _ Ts t = (Ts, t) |
|
430 |
||
40664 | 431 |
fun dest_weight (@{const SMT.weight} $ w $ t) = |
41173
7c6178d45cc8
fixed checking and translation of weights (previously, weights occurring in terms were rejected, and weight numbers were unintended translated into Vars)
boehmes
parents:
41172
diff
changeset
|
432 |
(SOME (snd (HOLogic.dest_number w)), t) |
40664 | 433 |
| dest_weight t = (NONE, t) |
434 |
||
41232
4ea9f2a8c093
fixed lambda-lifting: shift indices of bound variables correctly (after locking the required bound variables) and apply bound variables to the new function symbol in the right order;
boehmes
parents:
41198
diff
changeset
|
435 |
fun dest_pat (Const (@{const_name SMT.pat}, _) $ t) = (t, true) |
4ea9f2a8c093
fixed lambda-lifting: shift indices of bound variables correctly (after locking the required bound variables) and apply bound variables to the new function symbol in the right order;
boehmes
parents:
41198
diff
changeset
|
436 |
| dest_pat (Const (@{const_name SMT.nopat}, _) $ t) = (t, false) |
41127
2ea84c8535c6
re-implemented eta-expansion, lambda-lifting, and explicit application on terms (exploiting the control over the term structure);
boehmes
parents:
41123
diff
changeset
|
437 |
| dest_pat t = raise TERM ("bad pattern", [t]) |
37124 | 438 |
|
439 |
fun dest_pats [] = I |
|
440 |
| dest_pats ts = |
|
441 |
(case map dest_pat ts |> split_list ||> distinct (op =) of |
|
442 |
(ps, [true]) => cons (SPat ps) |
|
443 |
| (ps, [false]) => cons (SNoPat ps) |
|
41127
2ea84c8535c6
re-implemented eta-expansion, lambda-lifting, and explicit application on terms (exploiting the control over the term structure);
boehmes
parents:
41123
diff
changeset
|
444 |
| _ => raise TERM ("bad multi-pattern", ts)) |
36898 | 445 |
|
41232
4ea9f2a8c093
fixed lambda-lifting: shift indices of bound variables correctly (after locking the required bound variables) and apply bound variables to the new function symbol in the right order;
boehmes
parents:
41198
diff
changeset
|
446 |
fun dest_trigger (@{const SMT.trigger} $ tl $ t) = |
37124 | 447 |
(rev (fold (dest_pats o HOLogic.dest_list) (HOLogic.dest_list tl) []), t) |
36898 | 448 |
| dest_trigger t = ([], t) |
449 |
||
450 |
fun dest_quant qn T t = quantifier qn |> Option.map (fn q => |
|
451 |
let |
|
452 |
val (Ts, u) = group_quant qn [T] t |
|
40664 | 453 |
val (ps, p) = dest_trigger u |
454 |
val (w, b) = dest_weight p |
|
455 |
in (q, rev Ts, ps, w, b) end) |
|
36898 | 456 |
|
457 |
fun fold_map_pat f (SPat ts) = fold_map f ts #>> SPat |
|
458 |
| fold_map_pat f (SNoPat ts) = fold_map f ts #>> SNoPat |
|
459 |
||
460 |
||
41127
2ea84c8535c6
re-implemented eta-expansion, lambda-lifting, and explicit application on terms (exploiting the control over the term structure);
boehmes
parents:
41123
diff
changeset
|
461 |
(** translation from Isabelle terms into SMT intermediate terms **) |
36898 | 462 |
|
41281
679118e35378
removed odd decoration of built-in symbols as Vars (instead provide built-in desctructor functions along with their inverse functions);
boehmes
parents:
41250
diff
changeset
|
463 |
fun intermediate header dtyps builtin ctxt ts trx = |
41059
d2b1fc1b8e19
centralized handling of built-in types and constants;
boehmes
parents:
41057
diff
changeset
|
464 |
let |
41127
2ea84c8535c6
re-implemented eta-expansion, lambda-lifting, and explicit application on terms (exploiting the control over the term structure);
boehmes
parents:
41123
diff
changeset
|
465 |
fun transT (T as TFree _) = add_typ T true |
2ea84c8535c6
re-implemented eta-expansion, lambda-lifting, and explicit application on terms (exploiting the control over the term structure);
boehmes
parents:
41123
diff
changeset
|
466 |
| transT (T as TVar _) = (fn _ => raise TYPE ("bad SMT type", [T], [])) |
2ea84c8535c6
re-implemented eta-expansion, lambda-lifting, and explicit application on terms (exploiting the control over the term structure);
boehmes
parents:
41123
diff
changeset
|
467 |
| transT (T as Type _) = |
41328
6792a5c92a58
avoid ML structure aliases (especially single-letter abbreviations)
boehmes
parents:
41281
diff
changeset
|
468 |
(case SMT_Builtin.dest_builtin_typ ctxt T of |
39298
5aefb5bc8a93
added preliminary support for SMT datatypes (for now restricted to tuples and lists); only the Z3 interface (in oracle mode) makes use of it, there is especially no Z3 proof reconstruction support for datatypes yet
boehmes
parents:
37124
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|
469 |
SOME n => pair n |
41127
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|
470 |
| NONE => add_typ T true) |
36898 | 471 |
|
472 |
fun app n ts = SApp (n, ts) |
|
473 |
||
474 |
fun trans t = |
|
475 |
(case Term.strip_comb t of |
|
476 |
(Const (qn, _), [Abs (_, T, t1)]) => |
|
477 |
(case dest_quant qn T t1 of |
|
40664 | 478 |
SOME (q, Ts, ps, w, b) => |
36898 | 479 |
fold_map transT Ts ##>> fold_map (fold_map_pat trans) ps ##>> |
40664 | 480 |
trans b #>> (fn ((Ts', ps'), b') => SQua (q, Ts', ps', w, b')) |
41127
2ea84c8535c6
re-implemented eta-expansion, lambda-lifting, and explicit application on terms (exploiting the control over the term structure);
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|
481 |
| NONE => raise TERM ("unsupported quantifier", [t])) |
36898 | 482 |
| (Const (@{const_name Let}, _), [t1, Abs (_, T, t2)]) => |
483 |
transT T ##>> trans t1 ##>> trans t2 #>> |
|
484 |
(fn ((U, u1), u2) => SLet (U, u1, u2)) |
|
41281
679118e35378
removed odd decoration of built-in symbols as Vars (instead provide built-in desctructor functions along with their inverse functions);
boehmes
parents:
41250
diff
changeset
|
485 |
| (u as Const (c as (_, T)), ts) => |
679118e35378
removed odd decoration of built-in symbols as Vars (instead provide built-in desctructor functions along with their inverse functions);
boehmes
parents:
41250
diff
changeset
|
486 |
(case builtin ctxt c ts of |
679118e35378
removed odd decoration of built-in symbols as Vars (instead provide built-in desctructor functions along with their inverse functions);
boehmes
parents:
41250
diff
changeset
|
487 |
SOME (n, _, us, _) => fold_map trans us #>> app n |
679118e35378
removed odd decoration of built-in symbols as Vars (instead provide built-in desctructor functions along with their inverse functions);
boehmes
parents:
41250
diff
changeset
|
488 |
| NONE => transs u T ts) |
41127
2ea84c8535c6
re-implemented eta-expansion, lambda-lifting, and explicit application on terms (exploiting the control over the term structure);
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parents:
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diff
changeset
|
489 |
| (u as Free (_, T), ts) => transs u T ts |
36898 | 490 |
| (Bound i, []) => pair (SVar i) |
41127
2ea84c8535c6
re-implemented eta-expansion, lambda-lifting, and explicit application on terms (exploiting the control over the term structure);
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parents:
41123
diff
changeset
|
491 |
| _ => raise TERM ("bad SMT term", [t])) |
2ea84c8535c6
re-implemented eta-expansion, lambda-lifting, and explicit application on terms (exploiting the control over the term structure);
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parents:
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diff
changeset
|
492 |
|
36898 | 493 |
and transs t T ts = |
41328
6792a5c92a58
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parents:
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diff
changeset
|
494 |
let val (Us, U) = SMT_Utils.dest_funT (length ts) T |
36898 | 495 |
in |
496 |
fold_map transT Us ##>> transT U #-> (fn Up => |
|
41127
2ea84c8535c6
re-implemented eta-expansion, lambda-lifting, and explicit application on terms (exploiting the control over the term structure);
boehmes
parents:
41123
diff
changeset
|
497 |
add_fun t (SOME Up) ##>> fold_map trans ts #>> SApp) |
36898 | 498 |
end |
41127
2ea84c8535c6
re-implemented eta-expansion, lambda-lifting, and explicit application on terms (exploiting the control over the term structure);
boehmes
parents:
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diff
changeset
|
499 |
|
2ea84c8535c6
re-implemented eta-expansion, lambda-lifting, and explicit application on terms (exploiting the control over the term structure);
boehmes
parents:
41123
diff
changeset
|
500 |
val (us, trx') = fold_map trans ts trx |
2ea84c8535c6
re-implemented eta-expansion, lambda-lifting, and explicit application on terms (exploiting the control over the term structure);
boehmes
parents:
41123
diff
changeset
|
501 |
in ((sign_of (header ts) dtyps trx', us), trx') end |
2ea84c8535c6
re-implemented eta-expansion, lambda-lifting, and explicit application on terms (exploiting the control over the term structure);
boehmes
parents:
41123
diff
changeset
|
502 |
|
2ea84c8535c6
re-implemented eta-expansion, lambda-lifting, and explicit application on terms (exploiting the control over the term structure);
boehmes
parents:
41123
diff
changeset
|
503 |
|
2ea84c8535c6
re-implemented eta-expansion, lambda-lifting, and explicit application on terms (exploiting the control over the term structure);
boehmes
parents:
41123
diff
changeset
|
504 |
|
2ea84c8535c6
re-implemented eta-expansion, lambda-lifting, and explicit application on terms (exploiting the control over the term structure);
boehmes
parents:
41123
diff
changeset
|
505 |
(* translation *) |
2ea84c8535c6
re-implemented eta-expansion, lambda-lifting, and explicit application on terms (exploiting the control over the term structure);
boehmes
parents:
41123
diff
changeset
|
506 |
|
2ea84c8535c6
re-implemented eta-expansion, lambda-lifting, and explicit application on terms (exploiting the control over the term structure);
boehmes
parents:
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diff
changeset
|
507 |
structure Configs = Generic_Data |
2ea84c8535c6
re-implemented eta-expansion, lambda-lifting, and explicit application on terms (exploiting the control over the term structure);
boehmes
parents:
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diff
changeset
|
508 |
( |
41328
6792a5c92a58
avoid ML structure aliases (especially single-letter abbreviations)
boehmes
parents:
41281
diff
changeset
|
509 |
type T = (Proof.context -> config) SMT_Utils.dict |
41127
2ea84c8535c6
re-implemented eta-expansion, lambda-lifting, and explicit application on terms (exploiting the control over the term structure);
boehmes
parents:
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diff
changeset
|
510 |
val empty = [] |
2ea84c8535c6
re-implemented eta-expansion, lambda-lifting, and explicit application on terms (exploiting the control over the term structure);
boehmes
parents:
41123
diff
changeset
|
511 |
val extend = I |
41328
6792a5c92a58
avoid ML structure aliases (especially single-letter abbreviations)
boehmes
parents:
41281
diff
changeset
|
512 |
fun merge data = SMT_Utils.dict_merge fst data |
41127
2ea84c8535c6
re-implemented eta-expansion, lambda-lifting, and explicit application on terms (exploiting the control over the term structure);
boehmes
parents:
41123
diff
changeset
|
513 |
) |
2ea84c8535c6
re-implemented eta-expansion, lambda-lifting, and explicit application on terms (exploiting the control over the term structure);
boehmes
parents:
41123
diff
changeset
|
514 |
|
41328
6792a5c92a58
avoid ML structure aliases (especially single-letter abbreviations)
boehmes
parents:
41281
diff
changeset
|
515 |
fun add_config (cs, cfg) = Configs.map (SMT_Utils.dict_update (cs, cfg)) |
41127
2ea84c8535c6
re-implemented eta-expansion, lambda-lifting, and explicit application on terms (exploiting the control over the term structure);
boehmes
parents:
41123
diff
changeset
|
516 |
|
41232
4ea9f2a8c093
fixed lambda-lifting: shift indices of bound variables correctly (after locking the required bound variables) and apply bound variables to the new function symbol in the right order;
boehmes
parents:
41198
diff
changeset
|
517 |
fun get_config ctxt = |
4ea9f2a8c093
fixed lambda-lifting: shift indices of bound variables correctly (after locking the required bound variables) and apply bound variables to the new function symbol in the right order;
boehmes
parents:
41198
diff
changeset
|
518 |
let val cs = SMT_Config.solver_class_of ctxt |
4ea9f2a8c093
fixed lambda-lifting: shift indices of bound variables correctly (after locking the required bound variables) and apply bound variables to the new function symbol in the right order;
boehmes
parents:
41198
diff
changeset
|
519 |
in |
41328
6792a5c92a58
avoid ML structure aliases (especially single-letter abbreviations)
boehmes
parents:
41281
diff
changeset
|
520 |
(case SMT_Utils.dict_get (Configs.get (Context.Proof ctxt)) cs of |
41232
4ea9f2a8c093
fixed lambda-lifting: shift indices of bound variables correctly (after locking the required bound variables) and apply bound variables to the new function symbol in the right order;
boehmes
parents:
41198
diff
changeset
|
521 |
SOME cfg => cfg ctxt |
4ea9f2a8c093
fixed lambda-lifting: shift indices of bound variables correctly (after locking the required bound variables) and apply bound variables to the new function symbol in the right order;
boehmes
parents:
41198
diff
changeset
|
522 |
| NONE => error ("SMT: no translation configuration found " ^ |
41328
6792a5c92a58
avoid ML structure aliases (especially single-letter abbreviations)
boehmes
parents:
41281
diff
changeset
|
523 |
"for solver class " ^ quote (SMT_Utils.string_of_class cs))) |
41232
4ea9f2a8c093
fixed lambda-lifting: shift indices of bound variables correctly (after locking the required bound variables) and apply bound variables to the new function symbol in the right order;
boehmes
parents:
41198
diff
changeset
|
524 |
end |
4ea9f2a8c093
fixed lambda-lifting: shift indices of bound variables correctly (after locking the required bound variables) and apply bound variables to the new function symbol in the right order;
boehmes
parents:
41198
diff
changeset
|
525 |
|
41127
2ea84c8535c6
re-implemented eta-expansion, lambda-lifting, and explicit application on terms (exploiting the control over the term structure);
boehmes
parents:
41123
diff
changeset
|
526 |
fun translate ctxt comments ithms = |
2ea84c8535c6
re-implemented eta-expansion, lambda-lifting, and explicit application on terms (exploiting the control over the term structure);
boehmes
parents:
41123
diff
changeset
|
527 |
let |
41232
4ea9f2a8c093
fixed lambda-lifting: shift indices of bound variables correctly (after locking the required bound variables) and apply bound variables to the new function symbol in the right order;
boehmes
parents:
41198
diff
changeset
|
528 |
val {prefixes, is_fol, header, has_datatypes, serialize} = get_config ctxt |
4ea9f2a8c093
fixed lambda-lifting: shift indices of bound variables correctly (after locking the required bound variables) and apply bound variables to the new function symbol in the right order;
boehmes
parents:
41198
diff
changeset
|
529 |
|
41127
2ea84c8535c6
re-implemented eta-expansion, lambda-lifting, and explicit application on terms (exploiting the control over the term structure);
boehmes
parents:
41123
diff
changeset
|
530 |
val with_datatypes = |
2ea84c8535c6
re-implemented eta-expansion, lambda-lifting, and explicit application on terms (exploiting the control over the term structure);
boehmes
parents:
41123
diff
changeset
|
531 |
has_datatypes andalso Config.get ctxt SMT_Config.datatypes |
2ea84c8535c6
re-implemented eta-expansion, lambda-lifting, and explicit application on terms (exploiting the control over the term structure);
boehmes
parents:
41123
diff
changeset
|
532 |
|
2ea84c8535c6
re-implemented eta-expansion, lambda-lifting, and explicit application on terms (exploiting the control over the term structure);
boehmes
parents:
41123
diff
changeset
|
533 |
fun no_dtyps (tr_context, ctxt) ts = (([], tr_context, ctxt), ts) |
2ea84c8535c6
re-implemented eta-expansion, lambda-lifting, and explicit application on terms (exploiting the control over the term structure);
boehmes
parents:
41123
diff
changeset
|
534 |
|
41328
6792a5c92a58
avoid ML structure aliases (especially single-letter abbreviations)
boehmes
parents:
41281
diff
changeset
|
535 |
val ts1 = map (Envir.beta_eta_contract o SMT_Utils.prop_of o snd) ithms |
41127
2ea84c8535c6
re-implemented eta-expansion, lambda-lifting, and explicit application on terms (exploiting the control over the term structure);
boehmes
parents:
41123
diff
changeset
|
536 |
|
2ea84c8535c6
re-implemented eta-expansion, lambda-lifting, and explicit application on terms (exploiting the control over the term structure);
boehmes
parents:
41123
diff
changeset
|
537 |
val ((dtyps, tr_context, ctxt1), ts2) = |
2ea84c8535c6
re-implemented eta-expansion, lambda-lifting, and explicit application on terms (exploiting the control over the term structure);
boehmes
parents:
41123
diff
changeset
|
538 |
((make_tr_context prefixes, ctxt), ts1) |
2ea84c8535c6
re-implemented eta-expansion, lambda-lifting, and explicit application on terms (exploiting the control over the term structure);
boehmes
parents:
41123
diff
changeset
|
539 |
|-> (if with_datatypes then collect_datatypes_and_records else no_dtyps) |
2ea84c8535c6
re-implemented eta-expansion, lambda-lifting, and explicit application on terms (exploiting the control over the term structure);
boehmes
parents:
41123
diff
changeset
|
540 |
|
2ea84c8535c6
re-implemented eta-expansion, lambda-lifting, and explicit application on terms (exploiting the control over the term structure);
boehmes
parents:
41123
diff
changeset
|
541 |
val (ctxt2, ts3) = |
2ea84c8535c6
re-implemented eta-expansion, lambda-lifting, and explicit application on terms (exploiting the control over the term structure);
boehmes
parents:
41123
diff
changeset
|
542 |
ts2 |
41281
679118e35378
removed odd decoration of built-in symbols as Vars (instead provide built-in desctructor functions along with their inverse functions);
boehmes
parents:
41250
diff
changeset
|
543 |
|> eta_expand ctxt1 |
41127
2ea84c8535c6
re-implemented eta-expansion, lambda-lifting, and explicit application on terms (exploiting the control over the term structure);
boehmes
parents:
41123
diff
changeset
|
544 |
|> lift_lambdas ctxt1 |
2ea84c8535c6
re-implemented eta-expansion, lambda-lifting, and explicit application on terms (exploiting the control over the term structure);
boehmes
parents:
41123
diff
changeset
|
545 |
||> intro_explicit_application |
2ea84c8535c6
re-implemented eta-expansion, lambda-lifting, and explicit application on terms (exploiting the control over the term structure);
boehmes
parents:
41123
diff
changeset
|
546 |
|
41281
679118e35378
removed odd decoration of built-in symbols as Vars (instead provide built-in desctructor functions along with their inverse functions);
boehmes
parents:
41250
diff
changeset
|
547 |
val ((rewrite_rules, extra_thms, builtin), ts4) = |
679118e35378
removed odd decoration of built-in symbols as Vars (instead provide built-in desctructor functions along with their inverse functions);
boehmes
parents:
41250
diff
changeset
|
548 |
(if is_fol then folify ctxt2 else pair ([], [], I)) ts3 |
41127
2ea84c8535c6
re-implemented eta-expansion, lambda-lifting, and explicit application on terms (exploiting the control over the term structure);
boehmes
parents:
41123
diff
changeset
|
549 |
|
2ea84c8535c6
re-implemented eta-expansion, lambda-lifting, and explicit application on terms (exploiting the control over the term structure);
boehmes
parents:
41123
diff
changeset
|
550 |
val rewrite_rules' = fun_app_eq :: rewrite_rules |
36898 | 551 |
in |
41127
2ea84c8535c6
re-implemented eta-expansion, lambda-lifting, and explicit application on terms (exploiting the control over the term structure);
boehmes
parents:
41123
diff
changeset
|
552 |
(ts4, tr_context) |
41328
6792a5c92a58
avoid ML structure aliases (especially single-letter abbreviations)
boehmes
parents:
41281
diff
changeset
|
553 |
|-> intermediate header dtyps (builtin SMT_Builtin.dest_builtin) ctxt2 |
41127
2ea84c8535c6
re-implemented eta-expansion, lambda-lifting, and explicit application on terms (exploiting the control over the term structure);
boehmes
parents:
41123
diff
changeset
|
554 |
|>> uncurry (serialize comments) |
41281
679118e35378
removed odd decoration of built-in symbols as Vars (instead provide built-in desctructor functions along with their inverse functions);
boehmes
parents:
41250
diff
changeset
|
555 |
||> recon_of ctxt2 rewrite_rules' extra_thms ithms |
36898 | 556 |
end |
557 |
||
558 |
end |