avoid conflict with Alice keywords: renamed pack -> implode, unpack -> explode, any -> many, avoided assert;
signature IMPORT_RECORDER =
sig
datatype deltastate = Consts of (string * typ * mixfix) list
| Specification of (string * string * bool) list * term
| Hol_mapping of string * string * string
| Hol_pending of string * string * term
| Hol_const_mapping of string * string * string
| Hol_move of string * string
| Defs of string * term
| Hol_theorem of string * string * term
| Typedef of string option * (string * string list * mixfix) * term * (string * string) option * term
| Hol_type_mapping of string * string * string
| Indexed_theorem of int * term
| Protect_varname of string * string
| Dump of string
datatype history = History of history_entry list
and history_entry = ThmEntry of string*string*bool*history | DeltaEntry of deltastate list
val get_history : unit -> history
val set_history : history -> unit
val clear_history : unit -> unit
val start_replay_proof : string -> string -> unit
val stop_replay_proof : string -> string -> unit
val abort_replay_proof : string -> string -> unit
val add_consts : (string * typ * mixfix) list -> unit
val add_specification : (string * string * bool) list -> thm -> unit
val add_hol_mapping : string -> string -> string -> unit
val add_hol_pending : string -> string -> thm -> unit
val add_hol_const_mapping : string -> string -> string -> unit
val add_hol_move : string -> string -> unit
val add_defs : string -> term -> unit
val add_hol_theorem : string -> string -> thm -> unit
val add_typedef : string option -> string * string list * mixfix -> term -> (string * string) option -> thm -> unit
val add_hol_type_mapping : string -> string -> string -> unit
val add_indexed_theorem : int -> thm -> unit
val protect_varname : string -> string -> unit
val add_dump : string -> unit
val set_skip_import_dir : string option -> unit
val get_skip_import_dir : unit -> string option
val set_skip_import : bool -> unit
val get_skip_import : unit -> bool
val save_history : string -> unit
val load_history : string -> unit
end
structure ImportRecorder :> IMPORT_RECORDER =
struct
datatype deltastate = Consts of (string * typ * mixfix) list
| Specification of (string * string * bool) list * term
| Hol_mapping of string * string * string
| Hol_pending of string * string * term
| Hol_const_mapping of string * string * string
| Hol_move of string * string
| Defs of string * term
| Hol_theorem of string * string * term
| Typedef of string option * (string * string list * mixfix) * term * (string * string) option * term
| Hol_type_mapping of string * string * string
| Indexed_theorem of int * term
| Protect_varname of string * string
| Dump of string
datatype history_entry = StartReplay of string*string
| StopReplay of string*string
| AbortReplay of string*string
| Delta of deltastate list
val history = ref ([]:history_entry list)
val history_dir = ref (SOME "")
val skip_imports = ref false
fun set_skip_import b = skip_imports := b
fun get_skip_import () = !skip_imports
fun clear_history () = history := []
fun add_delta d = history := (case !history of (Delta ds)::hs => (Delta (d::ds))::hs | hs => (Delta [d])::hs)
fun add_replay r = history := (r :: (!history))
local
open XMLConvOutput
val consts = list (triple string typ mixfix)
val specification = pair (list (triple string string bool)) term
val hol_mapping = triple string string string
val hol_pending = triple string string term
val hol_const_mapping = triple string string string
val hol_move = pair string string
val defs = pair string term
val hol_theorem = triple string string term
val typedef = quintuple (option string) (triple string (list string) mixfix) term (option (pair string string)) term
val hol_type_mapping = triple string string string
val indexed_theorem = pair int term
val entry = pair string string
fun delta (Consts args) = wrap "consts" consts args
| delta (Specification args) = wrap "specification" specification args
| delta (Hol_mapping args) = wrap "hol_mapping" hol_mapping args
| delta (Hol_pending args) = wrap "hol_pending" hol_pending args
| delta (Hol_const_mapping args) = wrap "hol_const_mapping" hol_const_mapping args
| delta (Hol_move args) = wrap "hol_move" hol_move args
| delta (Defs args) = wrap "defs" defs args
| delta (Hol_theorem args) = wrap "hol_theorem" hol_theorem args
| delta (Typedef args) = wrap "typedef" typedef args
| delta (Hol_type_mapping args) = wrap "hol_type_mapping" hol_type_mapping args
| delta (Indexed_theorem args) = wrap "indexed_theorem" indexed_theorem args
| delta (Protect_varname args) = wrap "protect_varname" entry args
| delta (Dump args) = wrap "dump" string args
fun history_entry (StartReplay args) = wrap "startreplay" entry args
| history_entry (StopReplay args) = wrap "stopreplay" entry args
| history_entry (AbortReplay args) = wrap "abortreplay" entry args
| history_entry (Delta args) = wrap "delta" (list delta) args
in
val xml_of_history = list history_entry
end
local
open XMLConvInput
val consts = list (triple string typ mixfix)
val specification = pair (list (triple string string bool)) term
val hol_mapping = triple string string string
val hol_pending = triple string string term
val hol_const_mapping = triple string string string
val hol_move = pair string string
val defs = pair string term
val hol_theorem = triple string string term
val typedef = quintuple (option string) (triple string (list string) mixfix) term (option (pair string string)) term
val hol_type_mapping = triple string string string
val indexed_theorem = pair int term
val entry = pair string string
fun delta "consts" = unwrap Consts consts
| delta "specification" = unwrap Specification specification
| delta "hol_mapping" = unwrap Hol_mapping hol_mapping
| delta "hol_pending" = unwrap Hol_pending hol_pending
| delta "hol_const_mapping" = unwrap Hol_const_mapping hol_const_mapping
| delta "hol_move" = unwrap Hol_move hol_move
| delta "defs" = unwrap Defs defs
| delta "hol_theorem" = unwrap Hol_theorem hol_theorem
| delta "typedef" = unwrap Typedef typedef
| delta "hol_type_mapping" = unwrap Hol_type_mapping hol_type_mapping
| delta "indexed_theorem" = unwrap Indexed_theorem indexed_theorem
| delta "protect_varname" = unwrap Protect_varname entry
| delta "dump" = unwrap Dump string
| delta _ = raise ParseException "delta"
val delta = fn e => delta (name_of_wrap e) e
fun history_entry "startreplay" = unwrap StartReplay entry
| history_entry "stopreplay" = unwrap StopReplay entry
| history_entry "abortreplay" = unwrap AbortReplay entry
| history_entry "delta" = unwrap Delta (list delta)
| history_entry _ = raise ParseException "history_entry"
val history_entry = fn e => history_entry (name_of_wrap e) e
in
val history_of_xml = list history_entry
end
fun start_replay_proof thyname thmname = add_replay (StartReplay (thyname, thmname))
fun stop_replay_proof thyname thmname = add_replay (StopReplay (thyname, thmname))
fun abort_replay_proof thyname thmname = add_replay (AbortReplay (thyname, thmname))
fun add_hol_theorem thyname thmname thm = add_delta (Hol_theorem (thyname, thmname, prop_of thm))
fun add_hol_mapping thyname thmname isaname = add_delta (Hol_mapping (thyname, thmname, isaname))
fun add_consts consts = add_delta (Consts consts)
fun add_typedef thmname_opt typ c absrep_opt th = add_delta (Typedef (thmname_opt, typ, c, absrep_opt, prop_of th))
fun add_defs thmname eq = add_delta (Defs (thmname, eq))
fun add_hol_const_mapping thyname constname fullcname = add_delta (Hol_const_mapping (thyname, constname, fullcname))
fun add_hol_move fullname moved_thmname = add_delta (Hol_move (fullname, moved_thmname))
fun add_hol_type_mapping thyname tycname fulltyname = add_delta (Hol_type_mapping (thyname, tycname, fulltyname))
fun add_hol_pending thyname thmname th = add_delta (Hol_pending (thyname, thmname, prop_of th))
fun add_specification names th = add_delta (Specification (names, prop_of th))
fun add_indexed_theorem i th = add_delta (Indexed_theorem (i, prop_of th))
fun protect_varname s t = add_delta (Protect_varname (s,t))
fun add_dump s = add_delta (Dump s)
fun set_skip_import_dir dir = (history_dir := dir)
fun get_skip_import_dir () = !history_dir
fun get_filename thyname = Path.implode (Path.append (Path.explode (the (get_skip_import_dir ()))) (Path.explode (thyname^".history")))
fun save_history thyname =
if get_skip_import () then
XMLConv.write_to_file xml_of_history (get_filename thyname) (!history)
else
()
fun load_history thyname =
if get_skip_import () then
let
val filename = get_filename thyname
val _ = writeln "load_history / before"
val _ =
if File.exists (Path.explode filename) then
(history := XMLConv.read_from_file history_of_xml (get_filename thyname))
else
clear_history ()
val _ = writeln "load_history / after"
in
()
end
else
()
datatype history = History of history_entry list
and history_entry = ThmEntry of string*string*bool*history | DeltaEntry of deltastate list
exception CONV
fun conv_histories ((StartReplay (thyname, thmname))::rest) =
let
val (hs, rest) = conv_histories rest
fun continue thyname' thmname' aborted rest =
if thyname = thyname' andalso thmname = thmname' then
let
val (hs', rest) = conv_histories rest
in
((ThmEntry (thyname, thmname, aborted, History hs))::hs', rest)
end
else
raise CONV
in
case rest of
(StopReplay (thyname',thmname'))::rest =>
continue thyname' thmname' false rest
| (AbortReplay (thyname',thmname'))::rest =>
continue thyname' thmname' true rest
| [] => (hs, [])
| _ => raise CONV
end
| conv_histories ((Delta ds)::rest) = (conv_histories rest) |>> (fn hs => (DeltaEntry (rev ds))::hs)
| conv_histories rest = ([], rest)
fun conv es =
let
val (h, rest) = conv_histories (rev es)
in
case rest of
[] => h
| _ => raise CONV
end
fun get_history () = History (conv (!history))
fun reconv (History hs) rs = fold reconv_entry hs rs
and reconv_entry (ThmEntry (thyname, thmname, aborted, h)) rs =
((if aborted then AbortReplay else StopReplay) (thyname, thmname)) :: (reconv h ((StartReplay (thyname, thmname))::rs))
| reconv_entry (DeltaEntry ds) rs = (Delta (rev ds))::rs
fun set_history h = history := reconv h []
end