let proof = ref (None : proof option)
let goal = ref (None : goal option)
-let apply_or_can_apply_tactic ~try_only ~tactic =
+let get_current_status_as_xml () =
+ match !proof with
+ None -> assert false
+ | Some (uri, metasenv, bo, ty) ->
+ let currentproof =
+ (*CSC: Wrong: [] is just plainly wrong *)
+ Cic.CurrentProof (UriManager.name_of_uri uri,metasenv,bo,ty,[])
+ in
+ let (acurrentproof,_,_,ids_to_inner_sorts,_,_,_) =
+ Cic2acic.acic_object_of_cic_object currentproof
+ in
+ let xml, bodyxml =
+ match
+ Cic2Xml.print_object uri ~ids_to_inner_sorts
+ ~ask_dtd_to_the_getter:true acurrentproof
+ with
+ xml,Some bodyxml -> xml,bodyxml
+ | _,None -> assert false
+ in
+ (xml, bodyxml)
+;;
+
+let apply_tactic ~tactic =
match !proof,!goal with
- None,_
+ | None,_
| _,None -> assert false
| Some proof', Some goal' ->
let (newproof, newgoals) = tactic ~status:(proof', goal') in
- if not try_only then
- begin
- proof := Some newproof;
- goal :=
- (match newgoals, newproof with
- goal::_, _ -> Some goal
- | [], (_,(goal,_,_)::_,_,_) ->
- (* the tactic left no open goal ; let's choose the first open goal *)
-(*CSC: here we could implement and use a proof-tree like notion... *)
- Some goal
- | _, _ -> None)
- end
-;;
-
-let apply_tactic = apply_or_can_apply_tactic ~try_only:false;;
-
-let can_apply_tactic ~tactic =
- try
- apply_or_can_apply_tactic ~try_only:true ~tactic ;
- true
- with
- Fail _ -> false
+ proof := Some newproof;
+ goal :=
+ (match newgoals, newproof with
+ goal::_, _ -> Some goal
+ | [], (_,(goal,_,_)::_,_,_) ->
+ (* the tactic left no open goal ; let's choose the first open goal *)
+ (*CSC: here we could implement and use a proof-tree like notion... *)
+ Some goal
+ | _, _ -> None)
;;
(* metas_in_term term *)
let irl = identity_relocation_list_for_metavariable context in
(*CSC: Bug: se ci sono due term uguali nella prova dovrei bucarne uno solo!!!*)
let bo' =
- ProofEngineReduction.replace (==) term (C.Meta (newmeta,irl)) bo
+ ProofEngineReduction.replace (==) [term] [C.Meta (newmeta,irl)] bo
in
(* It may be possible that some metavariables occurred only in *)
(* the term we are perforating and they now occurs no more. We *)
(* Some easy tactics. *)
(************************************************************)
-(*CSC: generatore di nomi? Chiedere il nome? *)
-let fresh_name =
- let next_fresh_index = ref 0
-in
- function () ->
- incr next_fresh_index ;
- "fresh_name" ^ string_of_int !next_fresh_index
-
-let reduction_tactic reduction_function term =
- let curi,metasenv,pbo,pty =
- match !proof with
- None -> assert false
- | Some (curi,metasenv,bo,ty) -> curi,metasenv,bo,ty
- in
- let metano,context,ty =
- match !goal with
- None -> assert false
- | Some metano -> List.find (function (m,_,_) -> m=metano) metasenv
- in
- (* We don't know if [term] is a subterm of [ty] or a subterm of *)
- (* the type of one metavariable. So we replace it everywhere. *)
- (*CSC: Il vero problema e' che non sapendo dove sia il term non *)
- (*CSC: sappiamo neppure quale sia il suo contesto!!!! Insomma, *)
- (*CSC: e' meglio prima cercare il termine e scoprirne il *)
- (*CSC: contesto, poi ridurre e infine rimpiazzare. *)
- let replace context where=
-(*CSC: Per il momento se la riduzione fallisce significa solamente che *)
-(*CSC: siamo nel contesto errato. Metto il try, ma che schifo!!!! *)
-(*CSC: Anche perche' cosi' catturo anche quelle del replace che non dovrei *)
- try
- let term' = reduction_function context term in
- ProofEngineReduction.replace ~equality:(==) ~what:term ~with_what:term'
- ~where:where
- with
- _ -> where
- in
- let ty' = replace context ty in
- let context' =
- List.fold_right
- (fun entry context ->
- match entry with
- Some (name,Cic.Def t) ->
- (Some (name,Cic.Def (replace context t)))::context
- | Some (name,Cic.Decl t) ->
- (Some (name,Cic.Decl (replace context t)))::context
- | None -> None::context
- ) context []
- in
- let metasenv' =
- List.map
- (function
- (n,_,_) when n = metano -> (metano,context',ty')
- | _ as t -> t
- ) metasenv
- in
- proof := Some (curi,metasenv',pbo,pty) ;
- goal := Some metano
-
(* Reduces [term] using [reduction_function] in the current scratch goal [ty] *)
-let reduction_tactic_in_scratch reduction_function term ty =
+let reduction_tactic_in_scratch reduction_function terms ty =
let metasenv =
match !proof with
None -> []
None -> assert false
| Some metano -> List.find (function (m,_,_) -> m=metano) metasenv
in
- let term' = reduction_function context term in
+ let terms' = List.map (reduction_function context) terms in
ProofEngineReduction.replace
- ~equality:(==) ~what:term ~with_what:term' ~where:ty
-
-let whd = reduction_tactic CicReduction.whd
-let reduce = reduction_tactic ProofEngineReduction.reduce
-let simpl = reduction_tactic ProofEngineReduction.simpl
+ ~equality:(==) ~what:terms ~with_what:terms' ~where:ty
+;;
let whd_in_scratch = reduction_tactic_in_scratch CicReduction.whd
let reduce_in_scratch = reduction_tactic_in_scratch ProofEngineReduction.reduce
(* primitive tactics *)
-let can_apply term = can_apply_tactic (PrimitiveTactics.apply_tac ~term)
let apply term = apply_tactic (PrimitiveTactics.apply_tac ~term)
-let intros () =
- apply_tactic (PrimitiveTactics.intros_tac ~name:(fresh_name ()))
-let cut term = apply_tactic (PrimitiveTactics.cut_tac ~term)
-let letin term = apply_tactic (PrimitiveTactics.letin_tac ~term)
+let intros ?mk_fresh_name_callback () =
+ apply_tactic (PrimitiveTactics.intros_tac ?mk_fresh_name_callback ())
+let cut ?mk_fresh_name_callback term =
+ apply_tactic (PrimitiveTactics.cut_tac ?mk_fresh_name_callback term)
+let letin ?mk_fresh_name_callback term =
+ apply_tactic (PrimitiveTactics.letin_tac ?mk_fresh_name_callback term)
let exact term = apply_tactic (PrimitiveTactics.exact_tac ~term)
-let elim_simpl_intros term =
- apply_tactic (PrimitiveTactics.elim_simpl_intros_tac ~term)
+let elim_intros_simpl term =
+ apply_tactic (PrimitiveTactics.elim_intros_simpl_tac ~term)
let change ~goal_input:what ~input:with_what =
apply_tactic (PrimitiveTactics.change_tac ~what ~with_what)
(* reduction tactics *)
-let fold term =
- apply_tactic (ReductionTactics.fold_tac ~also_in_hypotheses:true ~term)
+let whd terms =
+ apply_tactic
+ (ReductionTactics.whd_tac ~also_in_hypotheses:true ~terms:(Some terms))
+let reduce terms =
+ apply_tactic
+ (ReductionTactics.reduce_tac ~also_in_hypotheses:true ~terms:(Some terms))
+let simpl terms =
+ apply_tactic
+ (ReductionTactics.simpl_tac ~also_in_hypotheses:true ~terms:(Some terms))
+
+let fold_whd term =
+ apply_tactic
+ (ReductionTactics.fold_tac ~reduction:CicReduction.whd
+ ~also_in_hypotheses:true ~term)
+let fold_reduce term =
+ apply_tactic
+ (ReductionTactics.fold_tac ~reduction:ProofEngineReduction.reduce
+ ~also_in_hypotheses:true ~term)
+let fold_simpl term =
+ apply_tactic
+ (ReductionTactics.fold_tac ~reduction:ProofEngineReduction.simpl
+ ~also_in_hypotheses:true ~term)
(* other tactics *)
-let elim_type term = apply_tactic (Ring.elim_type_tac ~term)
+let elim_type term = apply_tactic (EliminationTactics.elim_type_tac ~term)
let ring () = apply_tactic Ring.ring_tac
let fourier () = apply_tactic FourierR.fourier_tac
-let rewrite_simpl term = apply_tactic (FourierR.rewrite_simpl_tac ~term)
-let reflexivity () = apply_tactic VariousTactics.reflexivity_tac
-let symmetry () = apply_tactic VariousTactics.symmetry_tac
-let transitivity term = apply_tactic (VariousTactics.transitivity_tac ~term)
+let rewrite_simpl term = apply_tactic (EqualityTactics.rewrite_simpl_tac ~term)
+let rewrite_back_simpl term = apply_tactic (EqualityTactics.rewrite_back_simpl_tac ~term)
+let replace ~goal_input:what ~input:with_what =
+ apply_tactic (EqualityTactics.replace_tac ~what ~with_what)
-let left () = apply_tactic VariousTactics.left_tac
-let right () = apply_tactic VariousTactics.right_tac
+let reflexivity () = apply_tactic EqualityTactics.reflexivity_tac
+let symmetry () = apply_tactic EqualityTactics.symmetry_tac
+let transitivity term = apply_tactic (EqualityTactics.transitivity_tac ~term)
+
+let exists () = apply_tactic IntroductionTactics.exists_tac
+let split () = apply_tactic IntroductionTactics.split_tac
+let left () = apply_tactic IntroductionTactics.left_tac
+let right () = apply_tactic IntroductionTactics.right_tac
let assumption () = apply_tactic VariousTactics.assumption_tac
+
+let generalize ?mk_fresh_name_callback terms =
+ apply_tactic (VariousTactics.generalize_tac ?mk_fresh_name_callback terms)
+
+let absurd term = apply_tactic (NegationTactics.absurd_tac ~term)
+let contradiction () = apply_tactic NegationTactics.contradiction_tac
+
+let decompose ~uris_choice_callback term =
+ apply_tactic (EliminationTactics.decompose_tac ~uris_choice_callback term)
+
+let injection term = apply_tactic (DiscriminationTactics.injection_tac ~term)
+let discriminate term = apply_tactic (DiscriminationTactics.discriminate_tac ~term)
+let decide_equality () = apply_tactic DiscriminationTactics.decide_equality_tac
+let compare term = apply_tactic (DiscriminationTactics.compare_tac ~term)
+
(*
let prova_tatticali () = apply_tactic Tacticals.prova_tac
*)
projects / helm.git / blobdiff