Source file wpTipApi.ml
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module W = WpApi
module P = Server.Package
module D = Server.Data
module R = Server.Request
module S = Server.States
module Md = Markdown
module AST = Server.Kernel_ast
let package = P.package ~plugin:"wp" ~name:"tip"
~title:"WP Interactive Prover" ()
let proofStatus = R.signal ~package ~name:"proofStatus"
~descr:(Md.plain "Proof Status has changed")
let printStatus = R.signal ~package ~name:"printStatus"
~descr:(Md.plain "Updated TIP printer")
module Node = D.Index
(Map.Make(ProofEngine.Node))
(struct
let package = package
let name = "node"
let descr = Md.plain "Proof Node index"
end)
let () = Server.Main.once
begin fun () ->
ProofEngine.add_remove_hook Node.remove ;
ProofEngine.add_clear_hook (fun _ -> Node.clear ()) ;
let signal _ = R.emit proofStatus in
ProofEngine.add_update_hook signal ;
ProofEngine.add_goal_hook signal ;
Wpo.add_modified_hook signal ;
end
module Tactic : D.S with type t = Tactical.t =
struct
type t = Tactical.t
let jtype = D.declare ~package ~name:"tactic"
~descr:(Md.plain "Tactic identifier") @@ P.Jkey "tactic"
let to_json (t : Tactical.t) = `String t#id
let of_json (js : Json.t) = Tactical.lookup ~id:(js |> Json.string)
end
module Path = D.Jlist(Node)
let () =
let inode = R.signature ~input:(module Node) () in
let set_title = R.result inode ~name:"title"
~descr:(Md.plain "Proof node title") (module D.Jstring) in
let set_proved = R.result inode ~name:"proved"
~descr:(Md.plain "Proof node complete") (module D.Jbool) in
let set_pending = R.result inode ~name:"pending"
~descr:(Md.plain "Pending children") (module D.Jint) in
let set_size = R.result inode ~name:"size"
~descr:(Md.plain "Proof size") (module D.Jint) in
let set_stats = R.result inode ~name:"stats"
~descr:(Md.plain "Node statistics") (module D.Jstring) in
let set_results = R.result inode ~name:"results"
~descr:(Md.plain "Prover results for current node")
(module D.Jlist(D.Jpair(W.Prover)(W.Result))) in
let set_tactic = R.result_opt inode ~name:"tactic"
~descr:(Md.plain "Applied tactic (if any)")
(module Tactic) in
let = R.result_opt inode ~name:"header"
~descr:(Md.plain "Proof node tactic label (if any)")
(module D.Jstring) in
let set_child_label = R.result_opt inode ~name:"childLabel"
~descr:(Md.plain "Proof node child label (from parent, if any)")
(module D.Jstring) in
let set_path = R.result inode ~name:"path"
~descr:(Md.plain "Proof node path from goal")
(module Path) in
let set_children = R.result inode ~name:"children"
~descr:(Md.plain "Proof node tactic children (id any)")
(module Path) in
R.register_sig inode ~package ~kind:`GET ~name:"getNodeInfos"
~descr:(Md.plain "Proof node information")
~signals:[proofStatus]
begin fun rq node ->
set_title rq (ProofEngine.title node);
set_proved rq (ProofEngine.fully_proved node);
set_pending rq (ProofEngine.pending node);
let s = ProofEngine.stats node in
set_size rq (Stats.subgoals s);
set_stats rq (Pretty_utils.to_string Stats.pretty s);
set_results rq (Wpo.get_results @@ ProofEngine.goal node);
set_tactic rq (ProofEngine.tactic node);
set_header rq (ProofEngine.tactic_label node);
set_child_label rq (ProofEngine.child_label node);
set_path rq (ProofEngine.path node);
set_children rq (ProofEngine.subgoals node);
end
let () =
let iresult = R.signature ~output:(module W.Result) () in
let get_node = R.param iresult ~name:"node"
~descr:(Md.plain "Proof node") (module Node) in
let get_prover = R.param iresult ~name:"prover"
~descr:(Md.plain "Prover") (module W.Prover) in
R.register_sig iresult ~package ~kind:`GET ~name:"getResult"
~descr:(Md.plain "Result for specified node and prover")
~signals:[proofStatus]
begin fun rq () ->
let node = get_node rq in
let prover = get_prover rq in
Wpo.get_result (ProofEngine.goal node) prover
end
let () =
let status = R.signature () in
let get_main = R.param status ~name:"main"
~descr:(Md.plain "Proof Obligation") (module W.Goal) in
let get_unproved = R.param status ~name:"unproved" ~default:false
~descr:(Md.plain "Report unproved children only")
(module D.Jbool) in
let get_subtree = R.param status ~name:"subtree" ~default:false
~descr:(Md.plain "Report subtree children only")
(module D.Jbool) in
let set_size = R.result status ~name:"size"
~descr:(Md.plain "Proof size") (module D.Jint) in
let set_index = R.result status ~name:"index"
~descr:(Md.plain "Current node index among pending nodes (else -1)")
(module D.Jint) in
let set_pending = R.result status ~name:"pending"
~descr:(Md.plain "Pending proof nodes") (module D.Jint) in
let set_current = R.result status ~name:"current"
~descr:(Md.plain "Current proof node") (module Node) in
let set_parents = R.result status ~name:"parents"
~descr:(Md.plain "parents nodes")
(module Path) in
let set_tactic = R.result_opt status ~name:"tactic"
~descr:(Md.plain "Applied tactic (if any)")
(module Tactic) in
let set_children = R.result status ~name:"children"
~descr:(Md.plain "Children nodes")
(module Path) in
R.register_sig ~package status
~kind:`GET ~name:"getProofStatus"
~descr:(Md.plain "Current Proof Status of a Goal")
~signals:[proofStatus]
begin fun rq () ->
let tree = ProofEngine.proof ~main:(get_main rq) in
let root = ProofEngine.root tree in
set_pending rq (ProofEngine.pending root) ;
set_size rq (Stats.subgoals @@ ProofEngine.stats root);
let current, index =
match ProofEngine.current tree with
| `Main -> root, -1
| `Internal node -> node, -1
| `Leaf(idx,node) -> node, idx
in
let subgoals = ProofEngine.subgoals current in
set_index rq index ;
set_current rq current ;
set_parents rq @@ ProofEngine.path current ;
set_tactic rq @@ ProofEngine.tactic current ;
set_children rq @@
match get_unproved rq, get_subtree rq with
| false, false -> subgoals
| false, true ->
List.filter (fun n -> ProofEngine.subgoals n <> []) subgoals
| true, false ->
List.filter (fun n -> ProofEngine.pending n > 0) subgoals
| true, true ->
List.filter (fun n ->
ProofEngine.pending n > 0 ||
ProofEngine.subgoals n <> []
) subgoals
end
let () = R.register ~package ~kind:`SET ~name:"goForward"
~descr:(Md.plain "Go to to first pending node, or root if none")
~input:(module W.Goal) ~output:(module D.Junit)
begin fun goal ->
let tree = ProofEngine.proof ~main:goal in
ProofEngine.forward tree ;
end
let () = R.register ~package ~kind:`SET ~name:"goToRoot"
~descr:(Md.plain "Go to root of proof tree")
~input:(module W.Goal) ~output:(module D.Junit)
begin fun goal ->
let tree = ProofEngine.proof ~main:goal in
ProofEngine.goto tree `Main ;
end
let () = R.register ~package ~kind:`SET ~name:"goToIndex"
~descr:(Md.plain "Go to k-th pending node of proof tree")
~input:(module D.Jpair(W.Goal)(D.Jint)) ~output:(module D.Junit)
begin fun (goal,index) ->
let tree = ProofEngine.proof ~main:goal in
ProofEngine.goto tree (`Leaf index) ;
end
let () = R.register ~package ~kind:`SET ~name:"goToNode"
~descr:(Md.plain "Set current node of associated proof tree")
~input:(module Node) ~output:(module D.Junit)
begin fun node ->
let tree = ProofEngine.tree node in
ProofEngine.goto tree (`Node node) ;
end
let () = R.register ~package ~kind:`SET ~name:"clearNode"
~descr:(Md.plain "Cancel all node results and sub-tree (if any)")
~input:(module Node) ~output:(module D.Junit)
begin fun node ->
let tree = ProofEngine.tree node in
ProofEngine.clear_node tree node ;
end
let () = R.register ~package ~kind:`SET ~name:"clearNodeTactic"
~descr:(Md.plain "Cancel node current tactic")
~input:(module Node) ~output:(module D.Junit)
begin fun node ->
let tree = ProofEngine.tree node in
ProofEngine.clear_node_tactic tree node ;
end
let () = R.register ~package ~kind:`SET ~name:"clearParentTactic"
~descr:(Md.plain "Cancel parent node tactic")
~input:(module Node) ~output:(module D.Junit)
begin fun node ->
let tree = ProofEngine.tree node in
ProofEngine.clear_parent_tactic tree node ;
end
let () = R.register ~package ~kind:`SET ~name:"clearGoal"
~descr:(Md.plain "Remove the complete goal proof tree")
~input:(module W.Goal) ~output:(module D.Junit)
begin fun goal ->
let tree = ProofEngine.proof ~main:goal in
ProofEngine.clear_tree tree ;
end
module Part = D.Tagged
(struct
type t = [ `Term | `Goal | `Step of int ]
let id = function
| `Term -> "#term"
| `Goal -> "#goal"
| `Step k -> Printf.sprintf "#s%d" k
end)
(struct
let package = package
let name = "part"
let descr = Md.plain "Proof part marker"
end)
module Term = D.Tagged
(struct
type t = Lang.F.term
let id t = Printf.sprintf "#e%d" (Lang.F.QED.id t)
end)
(struct
let package = package
let name = "term"
let descr = Md.plain "Term marker"
end)
let of_part = function
| Ptip.Term -> `Term
| Ptip.Goal -> `Goal
| Ptip.Step s -> `Step s.id
let to_part sequent = function
| `Term -> Ptip.Term
| `Goal -> Ptip.Goal
| `Step k ->
try Ptip.Step (Conditions.step_at sequent k) with Not_found -> Ptip.Term
let wrap tag pp fmt x =
begin
Format.pp_open_stag fmt (Format.String_tag tag) ;
pp fmt x ;
Format.pp_close_stag fmt () ;
end
class printer () : Ptip.pseq =
let terms : Ptip.term_wrapper =
object
method wrap pp fmt t = wrap (Term.get t) pp fmt t
end in
let focus : Ptip.term_wrapper =
object
method wrap pp fmt t = wrap "wp:focus" (terms#wrap pp) fmt t
end in
let target : Ptip.term_wrapper =
object
method wrap pp fmt t = wrap "wp:target" (terms#wrap pp) fmt t
end in
let parts : Ptip.part_marker =
object
method wrap pp fmt p = wrap (Part.get @@ of_part p) pp fmt p
method mark : 'a. Ptip.part -> 'a Ptip.printer -> 'a Ptip.printer
= fun p pp fmt x -> wrap (Part.get @@ of_part p) pp fmt x
end in
let target_part : Ptip.part_marker =
object
method wrap pp fmt p = wrap "wp:target" (parts#wrap pp) fmt p
method mark : 'a. Ptip.part -> 'a Ptip.printer -> 'a Ptip.printer
= fun p pp fmt x -> wrap "wp:target" (parts#mark p pp) fmt x
end in
let autofocus = new Ptip.autofocus in
let plang = new Ptip.plang ~terms ~focus ~target ~autofocus in
let pcond = new Ptip.pcond ~parts ~target:target_part ~autofocus ~plang in
Ptip.pseq ~autofocus ~plang ~pcond
module PRINTER = State_builder.Ref
(Datatype.Make
(struct
include Datatype.Undefined
type t = (string,printer) Hashtbl.t
let name = "WpTipApi.PRINTER.Datatype"
let reprs = [ Hashtbl.create 0 ]
let mem_project = Datatype.never_any_project
end))
(struct
let name = "WpApi.PRINTER"
let dependencies = [ Ast.self ]
let default () = Hashtbl.create 0
end)
let () = Wpo.add_removed_hook
(fun wpo ->
let registry = PRINTER.get () in
Hashtbl.remove registry wpo.po_gid)
let () = Wpo.add_cleared_hook
(fun () ->
let registry = PRINTER.get () in
Hashtbl.clear registry)
let lookup (node : ProofEngine.node) : printer =
let tree = ProofEngine.tree node in
let wpo = ProofEngine.main tree in
let registry = PRINTER.get () in
try Hashtbl.find registry wpo.po_gid with Not_found ->
let pp = new printer () in
pp#on_selection (fun () -> R.emit printStatus) ;
Hashtbl.add registry wpo.po_gid pp ; pp
let selection node = (lookup node)#selection
let setSelection node = (lookup node)#set_selection
let flags (type a) ~name ~descr tags : a R.input =
(module struct
type t = a
let jtype = D.declare ~package ~name ~descr
(P.Junion (List.map (fun (tg,_) -> P.Jtag tg) tags))
let of_json js = List.assoc (Json.string js) tags
end)
let iformat : Plang.iformat R.input =
flags ~name:"iformat" ~descr:(Md.plain "Integer constants format")
[ "dec", `Dec ; "hex", `Hex ; "bin", `Bin ]
let rformat : Plang.rformat R.input =
flags ~name:"rformat" ~descr:(Md.plain "Real constants format")
[ "ratio", `Ratio ; "float", `Float ; "double", `Double ]
let () =
let printSequent = R.signature ~output:(module D.Jtext) () in
let get_node = R.param_opt printSequent ~name:"node"
~descr:(Md.plain "Proof Node") (module Node) in
let get_indent = R.param_opt printSequent ~name:"indent"
~descr:(Md.plain "Number of identation spaces") (module D.Jint) in
let get_margin = R.param_opt printSequent ~name:"margin"
~descr:(Md.plain "Maximial text width") (module D.Jint) in
let get_iformat = R.param_opt printSequent ~name:"iformat"
~descr:(Md.plain "Integer constants format") iformat in
let get_rformat = R.param_opt printSequent ~name:"rformat"
~descr:(Md.plain "Real constants format") rformat in
let get_autofocus = R.param_opt printSequent ~name:"autofocus"
~descr:(Md.plain "Auto-focus mode") (module D.Jbool) in
let get_unmangled = R.param_opt printSequent ~name:"unmangled"
~descr:(Md.plain "Unmangled memory model") (module D.Jbool) in
R.register_sig ~package
~kind:`GET
~name:"printSequent"
~descr:(Md.plain "Pretty-print the associated node")
~signals:[printStatus] printSequent
begin fun rq () ->
match get_node rq with
| None -> D.jtext ""
| Some node ->
let pp = lookup node in
let indent = get_indent rq in
let margin = get_margin rq in
Option.iter pp#set_iformat (get_iformat rq) ;
Option.iter pp#set_rformat (get_rformat rq) ;
Option.iter pp#set_focus_mode (get_autofocus rq) ;
Option.iter pp#set_unmangled (get_unmangled rq) ;
D.jpretty ?indent ?margin pp#pp_goal (ProofEngine.goal node)
end
let () =
R.register ~package
~kind:`SET
~name:"clearSelection"
~descr:(Md.plain "Reset node selection")
~input:(module Node)
~output:(module D.Junit)
begin fun node ->
let pp = lookup node in
pp#reset ;
pp#selected ;
end
let () =
let setSelection = R.signature ~output:(module D.Junit) () in
let get_node = R.param setSelection ~name:"node"
~descr:(Md.plain "Proof Node") (module Node) in
let get_part = R.param setSelection ~name:"part" ~default:`Term
~descr:(Md.plain "Selected part") (module Part) in
let get_term = R.param_opt setSelection ~name:"term"
~descr:(Md.plain "Selected term") (module Term) in
let get_extend = R.param setSelection ~name:"extend"
~descr:(Md.plain "Extending selection mode")
~default:false (module D.Jbool) in
R.register_sig ~package
~kind:`SET
~name:"setSelection"
~descr:(Md.plain "Set node selection")
setSelection
begin fun rq () ->
let node = get_node rq in
let part = get_part rq in
let term = get_term rq in
let extend = get_extend rq in
let pp = lookup node in
let part = to_part (fst pp#sequent) part in
pp#restore ~focus:(if extend then `Extend else `Focus) (part,term) ;
end
let () =
let getSelection = R.signature ~input:(module Node) () in
let set_part = R.result_opt getSelection ~name:"part"
~descr:(Md.plain "Selected part") (module Part) in
let set_term = R.result_opt getSelection ~name:"term"
~descr:(Md.plain "Selected term") (module Term) in
R.register_sig ~package
~kind:`GET
~name:"getSelection"
~descr:(Md.plain "Get current selection in proof node")
~signals:[printStatus;proofStatus]
getSelection
begin fun rq node ->
let (part,term) = (lookup node)#target in
set_part rq (if part <> Term then Some (of_part part) else None);
set_term rq term;
end
let runProvers ?timeout ?provers node =
let wpo = ProofEngine.goal node in
let provers = match provers with
| Some ps -> ps
| None -> WpApi.getProvers () in
let timeout = match timeout with
| Some t -> t
| None -> Wp_parameters.Timeout.get () in
let config =
let cfg = VCS.current () in
{ cfg with timeout = Some (float timeout) } in
if not @@ Wpo.is_trivial wpo then
List.iter
(fun prv ->
let backup = Wpo.get_result wpo prv in
let result _ p r =
if p = VCS.Qed && VCS.is_valid r then
Wpo.set_result wpo prv VCS.no_result
else if not @@ VCS.is_verdict r then
Wpo.set_result wpo prv backup in
let process () = Prover.prove ~config ~result wpo prv in
let thread = Task.thread @@ Task.later process () in
let status = VCS.computing (fun () -> Task.cancel thread) in
Wpo.set_result wpo prv status ;
let server = ProverTask.server () in
Task.spawn server thread ;
Task.launch server ;
) provers
let () =
let iRunProvers = R.signature ~output:(module D.Junit) () in
let get_node = R.param iRunProvers (module Node)
~name:"node" ~descr:(Md.plain "Proof node") in
let get_timeout = R.param_opt iRunProvers (module D.Jint)
~name:"timeout"
~descr:(Md.plain "Prover timeout (in seconds, default: current)") in
let get_provers = R.param_opt iRunProvers (module WpApi.Provers)
~name:"provers"
~descr:(Md.plain "Prover selection (default: current") in
R.register_sig iRunProvers ~package ~kind:`SET
~name:"runProvers"
~descr:(Md.plain "Schedule provers on proof node")
begin fun rq () ->
let node = get_node rq in
let provers = get_provers rq in
let timeout = get_timeout rq in
runProvers ?timeout ?provers node
end
let killProvers ?provers node =
let wpo = ProofEngine.goal node in
let filter =
match provers with
| None | Some [] -> fun _ -> true
| Some prvs -> fun p -> List.exists (VCS.eq_prover p) prvs
in
List.iter
(fun (prv,res) ->
match res.VCS.verdict with
| Computing kill when filter prv -> kill ()
| _ -> ()
) @@ Wpo.get_results wpo
let () =
let iKillProvers = R.signature ~output:(module D.Junit) () in
let get_node = R.param iKillProvers (module Node)
~name:"node" ~descr:(Md.plain "Proof node") in
let get_provers = R.param_opt iKillProvers (module WpApi.Provers)
~name:"provers"
~descr:(Md.plain "Prover selection (default: all running provers") in
R.register_sig iKillProvers ~package ~kind:`SET
~name:"killProvers"
~descr:(Md.plain "Interrupt running provers on proof node")
begin fun rq () ->
let node = get_node rq in
let provers = get_provers rq in
killProvers ?provers node
end
let clearProvers ?provers node =
let wpo = ProofEngine.goal node in
let clear p = if VCS.is_extern p then Wpo.set_result wpo p VCS.no_result in
begin
match provers with
| None -> List.iter (fun (prv,_) -> clear prv) @@ Wpo.get_results wpo ;
| Some prvs -> List.iter clear prvs
end
let () =
let iClearProvers = R.signature ~output:(module D.Junit) () in
let get_node = R.param iClearProvers (module Node)
~name:"node" ~descr:(Md.plain "Proof node") in
let get_provers = R.param_opt iClearProvers (module WpApi.Provers)
~name:"provers"
~descr:(Md.plain "Prover selection (default: all results") in
R.register_sig iClearProvers ~package ~kind:`SET
~name:"clearProvers"
~descr:(Md.plain "Remove prover results from proof node")
begin fun rq () ->
let node = get_node rq in
let provers = get_provers rq in
clearProvers ?provers node
end
let () =
let script = R.signature ~input:(module WpApi.Goal) () in
let set_proof = R.result script (module D.Jbool)
~name:"proof" ~descr:(Md.plain "Some Proof Tree can be Saved") in
let set_script = R.result_opt script (module D.Jstring)
~name:"script" ~descr:(Md.plain "Script File (if any)") in
let set_saved = R.result script (module D.Jbool)
~name:"saved" ~descr:(Md.plain "Current Proof Script has been Saved") in
R.register_sig script ~package ~kind:`GET
~name:"getScriptStatus"
~descr:(Md.plain "Script Status for a given Goal")
~signals:[proofStatus]
begin fun rq goal ->
let tree = ProofEngine.proof ~main:goal in
set_saved rq (ProofEngine.saved tree) ;
set_proof rq (ProofEngine.has_script tree) ;
set_script rq
begin
match ProofSession.get goal with
| NoScript -> None | Script file | Deprecated file ->
Some (file :> string)
end ;
end
let () =
R.register ~package ~kind:`SET
~name:"saveScript" ~descr:(Md.plain "Save Script for the Goal")
~input:(module WpApi.Goal)
~output:(module D.Junit)
begin fun goal ->
let tree = ProofEngine.proof ~main:goal in
let json = ProofScript.encode (ProofEngine.script tree) in
ProofSession.save ~stdout:false goal json ;
ProofEngine.set_saved tree true ;
end
let () =
R.register ~package ~kind:`SET
~name:"runScript"
~descr:(Md.plain "Replay Saved Script for the Goal (if any)")
~input:(module WpApi.Goal)
~output:(module D.Junit)
begin fun goal ->
let tree = ProofEngine.proof ~main:goal in
ProofEngine.clear_tree tree ;
ProverScript.spawn
~provers:(WpApi.getProvers())
~success:(fun _ _ -> ProofEngine.forward tree)
goal ;
let server = ProverTask.server () in
Task.launch server ;
end
let () =
R.register ~package ~kind:`SET
~name:"clearProofScript"
~descr:(Md.plain "Clear Proof and Remove any Saved Script for the Goal")
~input:(module WpApi.Goal)
~output:(module D.Junit)
begin fun goal ->
let tree = ProofEngine.proof ~main:goal in
ProofEngine.clear_tree tree ;
ProofSession.remove goal ;
end