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|
(***********************************************************************)
(* v * The Coq Proof Assistant / The Coq Development Team *)
(* <O___,, * INRIA-Rocquencourt & LRI-CNRS-Orsay *)
(* \VV/ *************************************************************)
(* // * This file is distributed under the terms of the *)
(* * GNU Lesser General Public License Version 2.1 *)
(***********************************************************************)
(* $Id$ *)
open Pp
open Names
open Nameops
open Util
open Extend
open Tacexpr
open Rawterm
open Topconstr
open Genarg
open Libnames
open Pattern
let pr_red_expr = Ppconstr.pr_red_expr
let pr_may_eval = Ppconstr.pr_may_eval
let pr_sort = Ppconstr.pr_sort
let pr_global = Ppconstr.pr_global Idset.empty
let pr_name = Ppconstr.pr_name
let pr_opt = Ppconstr.pr_opt
let pr_occurrences = Ppconstr.pr_occurrences
type grammar_terminals = string option list
(* Extensions *)
let prtac_tab_v7 = Hashtbl.create 17
let prtac_tab = Hashtbl.create 17
let declare_extra_tactic_pprule for_v8 s (tags,prods) =
Hashtbl.add prtac_tab_v7 (s,tags) prods;
if for_v8 then Hashtbl.add prtac_tab (s,tags) prods
type 'a raw_extra_genarg_printer =
(constr_expr -> std_ppcmds) -> (raw_tactic_expr -> std_ppcmds) ->
'a -> std_ppcmds
type 'a glob_extra_genarg_printer =
(rawconstr_and_expr -> std_ppcmds) -> (glob_tactic_expr -> std_ppcmds) ->
'a -> std_ppcmds
type 'a extra_genarg_printer =
(Term.constr -> std_ppcmds) -> (glob_tactic_expr -> std_ppcmds) ->
'a -> std_ppcmds
let genarg_pprule_v7 = ref Stringmap.empty
let genarg_pprule = ref Stringmap.empty
let declare_extra_genarg_pprule for_v8 (rawwit, f) (globwit, g) (wit, h) =
let s = match unquote wit with
| ExtraArgType s -> s
| _ -> error
"Can declare a pretty-printing rule only for extra argument types"
in
let f prc prtac x = f prc prtac (out_gen rawwit x) in
let g prc prtac x = g prc prtac (out_gen globwit x) in
let h prc prtac x = h prc prtac (out_gen wit x) in
genarg_pprule_v7 := Stringmap.add s (f,g,h) !genarg_pprule_v7;
if for_v8 then
genarg_pprule := Stringmap.add s (f,g,h) !genarg_pprule
let pi1 (a,_,_) = a
let pi2 (_,a,_) = a
let pi3 (_,_,a) = a
let pr_arg pr x = spc () ++ pr x
let pr_or_var pr = function
| ArgArg x -> pr x
| ArgVar (_,s) -> pr_id s
let pr_or_metaid pr = function
| AI x -> pr x
| _ -> failwith "pr_hyp_location: unexpected quotation meta-variable"
let pr_and_short_name pr (c,_) = pr c
let pr_located pr (loc,x) = pr x
let pr_ltac_constant sp = pr_qualid (Nametab.shortest_qualid_of_tactic sp)
let pr_evaluable_reference = function
| EvalVarRef id -> pr_id id
| EvalConstRef sp -> pr_global (Libnames.ConstRef sp)
let pr_inductive ind = pr_global (Libnames.IndRef ind)
let pr_quantified_hypothesis = function
| AnonHyp n -> int n
| NamedHyp id -> pr_id id
let pr_quantified_hypothesis_arg h = spc () ++ pr_quantified_hypothesis h
let pr_binding prc = function
| loc, NamedHyp id, c -> hov 1 (pr_id id ++ str " := " ++ cut () ++ prc c)
| loc, AnonHyp n, c -> hov 1 (int n ++ str " := " ++ cut () ++ prc c)
let pr_bindings prc prlc = function
| ImplicitBindings l ->
brk (1,1) ++ str "with" ++ brk (1,1) ++
prlist_with_sep spc prc l
| ExplicitBindings l ->
brk (1,1) ++ str "with" ++ brk (1,1) ++
prlist_with_sep spc
(fun b -> if Options.do_translate () or not !Options.v7 then
str"(" ++ pr_binding prlc b ++ str")"
else
pr_binding prc b)
l
| NoBindings -> mt ()
let pr_with_bindings prc prlc (c,bl) =
prc c ++ hv 0 (pr_bindings prc prlc bl)
let pr_with_constr prc = function
| None -> mt ()
| Some c -> spc () ++ hov 1 (str "with" ++ spc () ++ prc c)
let rec pr_intro_pattern = function
| IntroOrAndPattern pll -> pr_case_intro_pattern pll
| IntroWildcard -> str "_"
| IntroIdentifier id -> pr_id id
and pr_case_intro_pattern pll =
str "[" ++
hv 0 (prlist_with_sep pr_bar (prlist_with_sep spc pr_intro_pattern) pll)
++ str "]"
let pr_with_names = function
| [] -> mt ()
| ids -> spc () ++ hov 1 (str "as" ++ spc () ++ pr_case_intro_pattern ids)
let pr_hyp_location pr_id = function
| InHyp id -> spc () ++ pr_id id
| InHypType id -> spc () ++ str "(Type of " ++ pr_id id ++ str ")"
let pr_clause pr_id = function
| [] -> mt ()
| l -> spc () ++ hov 0 (str "in" ++ prlist (pr_hyp_location pr_id) l)
let pr_simple_clause pr_id = function
| [] -> mt ()
| l -> spc () ++
hov 0 (str "in" ++ spc () ++ prlist_with_sep spc pr_id l)
let pr_clause_pattern pr_id = function
| (None, []) -> mt ()
| (glopt,l) ->
str " in" ++
prlist
(fun (id,nl) -> prlist (pr_arg int) nl
++ spc () ++ pr_id id) l ++
pr_opt (fun nl -> prlist_with_sep spc int nl ++ str " Goal") glopt
let pr_subterms pr occl =
hov 0 (pr_occurrences pr occl ++ spc () ++ str "with")
let pr_induction_arg prc = function
| ElimOnConstr c -> prc c
| ElimOnIdent (_,id) -> pr_id id
| ElimOnAnonHyp n -> int n
let pr_induction_kind = function
| SimpleInversion -> str "Simple Inversion"
| FullInversion -> str "Inversion"
| FullInversionClear -> str "Inversion_clear"
let pr_match_pattern pr_pat = function
| Term a -> pr_pat a
| Subterm (None,a) -> str "[" ++ pr_pat a ++ str "]"
| Subterm (Some id,a) -> pr_id id ++ str "[" ++ pr_pat a ++ str "]"
let pr_match_hyps pr_pat = function
| Hyp ((_,na),mp) -> pr_name na ++ str ":" ++ pr_match_pattern pr_pat mp
let pr_match_rule m pr_pat pr = function
| Pat ([],mp,t) when m ->
str "[" ++ pr_match_pattern pr_pat mp ++ str "]"
++ spc () ++ str "->" ++ brk (1,2) ++ pr t
| Pat (rl,mp,t) ->
str "[" ++ prlist_with_sep pr_semicolon
(pr_match_hyps pr_pat) rl ++ spc () ++
str "|-" ++ spc () ++ pr_match_pattern pr_pat mp ++ spc () ++ str "]" ++
spc () ++ str "->" ++ brk (1,2) ++ pr t
| All t -> str "_" ++ spc () ++ str "->" ++ brk (1,2) ++ pr t
let pr_funvar = function
| None -> spc () ++ str "()"
| Some id -> spc () ++ pr_id id
let pr_let_clause k pr = function
| ((_,id),None,t) -> hv 0(str k ++ pr_id id ++ str " =" ++ brk (1,1) ++ pr t)
| ((_,id),Some c,t) -> str "TODO(LETCLAUSE)"
let pr_let_clauses pr = function
| hd::tl ->
hv 0
(pr_let_clause "Let " pr hd ++
prlist (fun t -> spc () ++ pr_let_clause "And " pr t) tl)
| [] -> anomaly "LetIn must declare at least one binding"
let pr_rec_clause pr ((_,id),(l,t)) =
pr_id id ++ prlist pr_funvar l ++ str "->" ++ spc () ++ pr t
let pr_rec_clauses pr l =
prlist_with_sep (fun () -> fnl () ++ str "And ") (pr_rec_clause pr) l
let pr_hintbases = function
| None -> spc () ++ str "with *"
| Some [] -> mt ()
| Some l ->
spc () ++ str "with" ++ hv 0 (prlist (fun s -> spc () ++ str s) l)
let pr_autoarg_adding = function
| [] -> mt ()
| l ->
spc () ++ str "Adding [" ++
hv 0 (prlist_with_sep spc pr_reference l) ++ str "]"
let pr_autoarg_destructing = function
| true -> spc () ++ str "Destructing"
| false -> mt ()
let pr_autoarg_usingTDB = function
| true -> spc () ++ str "Using TDB"
| false -> mt ()
let rec pr_raw_generic prc prlc prtac prref x =
match Genarg.genarg_tag x with
| BoolArgType -> pr_arg str (if out_gen rawwit_bool x then "true" else "false")
| IntArgType -> pr_arg int (out_gen rawwit_int x)
| IntOrVarArgType -> pr_arg (pr_or_var pr_int) (out_gen rawwit_int_or_var x)
| StringArgType -> spc () ++ str "\"" ++ str (out_gen rawwit_string x) ++ str "\""
| PreIdentArgType -> pr_arg str (out_gen rawwit_pre_ident x)
| IdentArgType -> pr_arg pr_id (Constrextern.v7_to_v8_id (out_gen rawwit_ident x))
| RefArgType -> pr_arg prref (out_gen rawwit_ref x)
| SortArgType -> pr_arg pr_sort (out_gen rawwit_sort x)
| ConstrArgType -> pr_arg prc (out_gen rawwit_constr x)
| ConstrMayEvalArgType ->
pr_arg (pr_may_eval prc prref)
(out_gen rawwit_constr_may_eval x)
| QuantHypArgType ->
pr_arg pr_quantified_hypothesis (out_gen rawwit_quant_hyp x)
| RedExprArgType ->
pr_arg (pr_red_expr
(prc,prref)) (out_gen rawwit_red_expr x)
| TacticArgType -> pr_arg prtac (out_gen rawwit_tactic x)
| CastedOpenConstrArgType ->
pr_arg prc (out_gen rawwit_casted_open_constr x)
| ConstrWithBindingsArgType ->
pr_arg (pr_with_bindings prc prlc) (out_gen rawwit_constr_with_bindings x)
| List0ArgType _ ->
hov 0 (fold_list0 (fun x a -> pr_raw_generic prc prlc prtac prref x ++ a) x (mt()))
| List1ArgType _ ->
hov 0 (fold_list1 (fun x a -> pr_raw_generic prc prlc prtac prref x ++ a) x (mt()))
| OptArgType _ -> hov 0 (fold_opt (pr_raw_generic prc prlc prtac prref) (mt()) x)
| PairArgType _ ->
hov 0
(fold_pair
(fun a b -> pr_raw_generic prc prlc prtac prref a ++ spc () ++
pr_raw_generic prc prlc prtac prref b)
x)
| ExtraArgType s ->
let tab =
if Options.do_translate() or not !Options.v7 then !genarg_pprule
else !genarg_pprule_v7 in
try pi1 (Stringmap.find s tab) prc prtac x
with Not_found -> str " [no printer for " ++ str s ++ str "] "
let rec pr_glob_generic prc prlc prtac x =
match Genarg.genarg_tag x with
| BoolArgType -> pr_arg str (if out_gen globwit_bool x then "true" else "false")
| IntArgType -> pr_arg int (out_gen globwit_int x)
| IntOrVarArgType -> pr_arg (pr_or_var pr_int) (out_gen globwit_int_or_var x)
| StringArgType -> spc () ++ str "\"" ++ str (out_gen globwit_string x) ++ str "\""
| PreIdentArgType -> pr_arg str (out_gen globwit_pre_ident x)
| IdentArgType -> pr_arg pr_id (Constrextern.v7_to_v8_id (out_gen globwit_ident x))
| RefArgType -> pr_arg (pr_or_var (pr_located pr_global)) (out_gen globwit_ref x)
| SortArgType -> pr_arg pr_sort (out_gen globwit_sort x)
| ConstrArgType -> pr_arg prc (out_gen globwit_constr x)
| ConstrMayEvalArgType ->
pr_arg (pr_may_eval prc
(pr_or_var (pr_and_short_name pr_evaluable_reference))) (out_gen globwit_constr_may_eval x)
| QuantHypArgType ->
pr_arg pr_quantified_hypothesis (out_gen globwit_quant_hyp x)
| RedExprArgType ->
pr_arg (pr_red_expr
(prc,pr_or_var (pr_and_short_name pr_evaluable_reference))) (out_gen globwit_red_expr x)
| TacticArgType -> pr_arg prtac (out_gen globwit_tactic x)
| CastedOpenConstrArgType ->
pr_arg prc (out_gen globwit_casted_open_constr x)
| ConstrWithBindingsArgType ->
pr_arg (pr_with_bindings prc prlc) (out_gen globwit_constr_with_bindings x)
| List0ArgType _ ->
hov 0 (fold_list0 (fun x a -> pr_glob_generic prc prlc prtac x ++ a) x (mt()))
| List1ArgType _ ->
hov 0 (fold_list1 (fun x a -> pr_glob_generic prc prlc prtac x ++ a) x (mt()))
| OptArgType _ -> hov 0 (fold_opt (pr_glob_generic prc prlc prtac) (mt()) x)
| PairArgType _ ->
hov 0
(fold_pair
(fun a b -> pr_glob_generic prc prlc prtac a ++ spc () ++
pr_glob_generic prc prlc prtac b)
x)
| ExtraArgType s ->
let tab =
if Options.do_translate() or not !Options.v7 then !genarg_pprule
else !genarg_pprule_v7 in
try pi2 (Stringmap.find s tab) prc prtac x
with Not_found -> str " [no printer for " ++ str s ++ str "] "
open Closure
let rec pr_generic prc prlc prtac x =
match Genarg.genarg_tag x with
| BoolArgType -> pr_arg str (if out_gen wit_bool x then "true" else "false")
| IntArgType -> pr_arg int (out_gen wit_int x)
| IntOrVarArgType -> pr_arg (pr_or_var pr_int) (out_gen wit_int_or_var x)
| StringArgType -> spc () ++ str "\"" ++ str (out_gen wit_string x) ++ str "\""
| PreIdentArgType -> pr_arg str (out_gen wit_pre_ident x)
| IdentArgType -> pr_arg pr_id (Constrextern.v7_to_v8_id (out_gen wit_ident x))
| RefArgType -> pr_arg pr_global (out_gen wit_ref x)
| SortArgType -> pr_arg prc (Term.mkSort (out_gen wit_sort x))
| ConstrArgType -> pr_arg prc (out_gen wit_constr x)
| ConstrMayEvalArgType ->
pr_arg prc (out_gen wit_constr_may_eval x)
| QuantHypArgType ->
pr_arg pr_quantified_hypothesis (out_gen wit_quant_hyp x)
| RedExprArgType ->
pr_arg (pr_red_expr (prc,pr_evaluable_reference)) (out_gen wit_red_expr x)
| TacticArgType -> pr_arg prtac (out_gen wit_tactic x)
| CastedOpenConstrArgType ->
pr_arg prc (snd (out_gen wit_casted_open_constr x))
| ConstrWithBindingsArgType ->
pr_arg (pr_with_bindings prc prlc) (out_gen wit_constr_with_bindings x)
| List0ArgType _ ->
hov 0 (fold_list0 (fun x a -> pr_generic prc prlc prtac x ++ a) x (mt()))
| List1ArgType _ ->
hov 0 (fold_list1 (fun x a -> pr_generic prc prlc prtac x ++ a) x (mt()))
| OptArgType _ -> hov 0 (fold_opt (pr_generic prc prlc prtac) (mt()) x)
| PairArgType _ ->
hov 0
(fold_pair
(fun a b -> pr_generic prc prlc prtac a ++ spc () ++
pr_generic prc prlc prtac b)
x)
| ExtraArgType s ->
let tab =
if Options.do_translate() or not !Options.v7 then !genarg_pprule
else !genarg_pprule_v7 in
try pi3 (Stringmap.find s tab) prc prtac x
with Not_found -> str " [no printer for " ++ str s ++ str "]"
let rec pr_tacarg_using_rule pr_gen = function
| Some s :: l, al -> spc () ++ str s ++ pr_tacarg_using_rule pr_gen (l,al)
| None :: l, a :: al -> pr_gen a ++ pr_tacarg_using_rule pr_gen (l,al)
| [], [] -> mt ()
| _ -> failwith "Inconsistent arguments of extended tactic"
let pr_extend_gen prgen s l =
let tab =
if Options.do_translate() or not !Options.v7 then prtac_tab
else prtac_tab_v7
in
try
let tags = List.map genarg_tag l in
let (s,pl) = Hashtbl.find tab (s,tags) in
str s ++ pr_tacarg_using_rule prgen (pl,l)
with Not_found ->
str s ++ prlist prgen l ++ str " (* Generic printer *)"
let make_pr_tac (pr_tac,pr_tac0,pr_constr,pr_pat,pr_cst,pr_ind,pr_ref,pr_ident,pr_extend) =
let pr_bindings = pr_bindings pr_constr pr_constr in
let pr_with_bindings = pr_with_bindings pr_constr pr_constr in
let pr_eliminator cb = str "using" ++ pr_arg (pr_with_bindings) cb in
let pr_constrarg c = spc () ++ pr_constr c in
let pr_intarg n = spc () ++ int n in
(* Printing tactics as arguments *)
let rec pr_atom0 = function
| TacIntroPattern [] -> str "Intros"
| TacIntroMove (None,None) -> str "Intro"
| TacAssumption -> str "Assumption"
| TacAnyConstructor None -> str "Constructor"
| TacTrivial (Some []) -> str "Trivial"
| TacAuto (None,Some []) -> str "Auto"
| TacAutoTDB None -> str "AutoTDB"
| TacDestructConcl -> str "DConcl"
| TacReflexivity -> str "Reflexivity"
| TacSymmetry None -> str "Symmetry"
| t -> str "(" ++ pr_atom1 t ++ str ")"
(* Main tactic printer *)
and pr_atom1 = function
| TacExtend (_,s,l) -> pr_extend pr_constr pr_constr pr_tac s l
| TacAlias (_,s,l,_) ->
pr_extend pr_constr pr_constr pr_tac s (List.map snd l)
(* Basic tactics *)
| TacIntroPattern [] as t -> pr_atom0 t
| TacIntroPattern (_::_ as p) ->
hov 1 (str "Intros" ++ spc () ++ prlist_with_sep spc pr_intro_pattern p)
| TacIntrosUntil h ->
hv 1 (str "Intros until" ++ pr_arg pr_quantified_hypothesis h)
| TacIntroMove (None,None) as t -> pr_atom0 t
| TacIntroMove (Some id1,None) -> str "Intro " ++ pr_id id1
| TacIntroMove (ido1,Some (_,id2)) ->
hov 1
(str "Intro" ++ pr_opt pr_id ido1 ++ spc () ++ str "after " ++ pr_id id2)
| TacAssumption as t -> pr_atom0 t
| TacExact c -> hov 1 (str "Exact" ++ pr_arg pr_constr c)
| TacApply cb -> hov 1 (str "Apply" ++ spc () ++ pr_with_bindings cb)
| TacElim (cb,cbo) ->
hov 1 (str "Elim" ++ pr_arg pr_with_bindings cb ++
pr_opt pr_eliminator cbo)
| TacElimType c -> hov 1 (str "ElimType" ++ pr_arg pr_constr c)
| TacCase cb -> hov 1 (str "Case" ++ spc () ++ pr_with_bindings cb)
| TacCaseType c -> hov 1 (str "CaseType" ++ pr_arg pr_constr c)
| TacFix (ido,n) -> hov 1 (str "Fix" ++ pr_opt pr_id ido ++ pr_intarg n)
| TacMutualFix (id,n,l) ->
hov 1 (str "Fix" ++ spc () ++ pr_id id ++ pr_intarg n ++ spc () ++
hov 0 (str "with" ++ brk (1,1) ++
prlist_with_sep spc
(fun (id,n,c) ->
spc () ++ pr_id id ++ pr_intarg n ++ pr_arg pr_constr c)
l))
| TacCofix ido -> hov 1 (str "Cofix" ++ pr_opt pr_id ido)
| TacMutualCofix (id,l) ->
hov 1 (str "Cofix" ++ spc () ++ pr_id id ++ spc () ++
hov 0 (str "with" ++ brk (1,1) ++
prlist (fun (id,c) -> spc () ++ pr_id id ++ pr_arg pr_constr c)
l))
| TacCut c -> hov 1 (str "Cut" ++ pr_arg pr_constr c)
| TacTrueCut (None,c) ->
hov 1 (str "Assert" ++ pr_arg pr_constr c)
| TacTrueCut (Some id,c) ->
hov 1 (str "Assert" ++ spc () ++ pr_id id ++ str ":" ++ pr_constr c)
| TacForward (false,na,c) ->
hov 1 (str "Assert" ++ pr_arg pr_name na ++ str ":=" ++ pr_constr c)
| TacForward (true,na,c) ->
hov 1 (str "Pose" ++ pr_arg pr_name na ++ str ":=" ++ pr_constr c)
| TacGeneralize l ->
hov 1 (str "Generalize" ++ spc () ++ prlist_with_sep spc pr_constr l)
| TacGeneralizeDep c ->
hov 1 (str "Generalize" ++ spc () ++ str "Dependent" ++ spc () ++
pr_constr c)
| TacLetTac (id,c,cl) ->
hov 1 (str "LetTac" ++ spc () ++ pr_id id ++ str ":=" ++
pr_constr c ++ pr_clause_pattern pr_ident cl)
| TacInstantiate (n,c) ->
hov 1 (str "Instantiate" ++ pr_arg int n ++ pr_arg pr_constr c)
(* Derived basic tactics *)
| TacSimpleInduction h ->
hov 1 (str "Induction" ++ pr_arg pr_quantified_hypothesis h)
| TacNewInduction (h,e,ids) ->
hov 1 (str "NewInduction" ++ spc () ++ pr_induction_arg pr_constr h ++
pr_opt pr_eliminator e ++ pr_with_names ids)
| TacSimpleDestruct h ->
hov 1 (str "Destruct" ++ pr_arg pr_quantified_hypothesis h)
| TacNewDestruct (h,e,ids) ->
hov 1 (str "NewDestruct" ++ spc () ++ pr_induction_arg pr_constr h ++
pr_opt pr_eliminator e ++ pr_with_names ids)
| TacDoubleInduction (h1,h2) ->
hov 1
(str "Double Induction" ++
pr_arg pr_quantified_hypothesis h1 ++
pr_arg pr_quantified_hypothesis h2)
| TacDecomposeAnd c ->
hov 1 (str "Decompose Record" ++ pr_arg pr_constr c)
| TacDecomposeOr c ->
hov 1 (str "Decompose Sum" ++ pr_arg pr_constr c)
| TacDecompose (l,c) ->
hov 1 (str "Decompose" ++ spc () ++
hov 0 (str "[" ++ prlist_with_sep spc pr_ind l
++ str "]"))
| TacSpecialize (n,c) ->
hov 1 (str "Specialize" ++ pr_opt int n ++ pr_with_bindings c)
| TacLApply c ->
hov 1 (str "LApply" ++ pr_constr c)
(* Automation tactics *)
| TacTrivial (Some []) as x -> pr_atom0 x
| TacTrivial db -> hov 0 (str "Trivial" ++ pr_hintbases db)
| TacAuto (None,Some []) as x -> pr_atom0 x
| TacAuto (n,db) -> hov 0 (str "Auto" ++ pr_opt int n ++ pr_hintbases db)
| TacAutoTDB None as x -> pr_atom0 x
| TacAutoTDB (Some n) -> hov 0 (str "AutoTDB" ++ spc () ++ int n)
| TacDestructHyp (true,(_,id)) -> hov 0 (str "CDHyp" ++ spc () ++ pr_id id)
| TacDestructHyp (false,(_,id)) -> hov 0 (str "DHyp" ++ spc () ++ pr_id id)
| TacDestructConcl as x -> pr_atom0 x
| TacSuperAuto (n,l,b1,b2) ->
hov 1 (str "SuperAuto" ++ pr_opt int n ++ pr_autoarg_adding l ++
pr_autoarg_destructing b1 ++ pr_autoarg_usingTDB b2)
| TacDAuto (n,p) ->
hov 1 (str "Auto" ++ pr_opt int n ++ str "Decomp" ++ pr_opt int p)
(* Context management *)
| TacClear l ->
hov 1 (str "Clear" ++ spc () ++ prlist_with_sep spc pr_ident l)
| TacClearBody l ->
hov 1 (str "Clear" ++ spc () ++ prlist_with_sep spc pr_ident l)
| TacMove (b,id1,id2) ->
(* Rem: only b = true is available for users *)
assert b;
hov 1
(str "Move" ++ brk (1,1) ++ pr_ident id1 ++ spc () ++
str "after" ++ brk (1,1) ++ pr_ident id2)
| TacRename (id1,id2) ->
hov 1
(str "Rename" ++ brk (1,1) ++ pr_ident id1 ++ spc () ++
str "into" ++ brk (1,1) ++ pr_ident id2)
(* Constructors *)
| TacLeft l -> hov 1 (str "Left" ++ pr_bindings l)
| TacRight l -> hov 1 (str "Right" ++ pr_bindings l)
| TacSplit (_,l) -> hov 1 (str "Split" ++ pr_bindings l)
| TacAnyConstructor (Some t) ->
hov 1 (str "Constructor" ++ pr_arg pr_tac0 t)
| TacAnyConstructor None as t -> pr_atom0 t
| TacConstructor (n,l) ->
hov 1 (str "Constructor" ++ pr_or_metaid pr_intarg n ++ pr_bindings l)
(* Conversion *)
| TacReduce (r,h) ->
hov 1 (pr_red_expr (pr_constr,pr_cst) r ++ pr_clause pr_ident h)
| TacChange (occl,c,h) ->
hov 1 (str "Change" ++ pr_opt (pr_subterms pr_constr) occl ++
brk (1,1) ++ pr_constr c ++ pr_clause pr_ident h)
(* Equivalence relations *)
| (TacReflexivity | TacSymmetry None) as x -> pr_atom0 x
| TacSymmetry (Some id) -> str "Symmetry " ++ pr_ident id
| TacTransitivity c -> str "Transitivity" ++ pr_arg pr_constr c
(* Equality and inversion *)
| TacInversion (DepInversion (k,c,ids),hyp) ->
hov 1 (str "Dependent " ++ pr_induction_kind k ++
pr_quantified_hypothesis hyp ++
pr_with_names ids ++ pr_with_constr pr_constr c)
| TacInversion (NonDepInversion (k,cl,ids),hyp) ->
hov 1 (pr_induction_kind k ++ spc () ++
pr_quantified_hypothesis hyp ++
pr_with_names ids ++ pr_simple_clause pr_ident cl)
| TacInversion (InversionUsing (c,cl),hyp) ->
hov 1 (str "Inversion" ++ spc() ++ pr_quantified_hypothesis hyp ++
str "using" ++ spc () ++ pr_constr c ++
pr_simple_clause pr_ident cl)
and pr_tactic_seq_body tl =
hv 0 (str "[ " ++
prlist_with_sep (fun () -> spc () ++ str "| ") prtac tl ++ str " ]")
(* Strictly closed atomic tactic expressions *)
and pr0 = function
| TacFirst tl -> str "First" ++ spc () ++ pr_tactic_seq_body tl
| TacSolve tl -> str "Solve" ++ spc () ++ pr_tactic_seq_body tl
| TacId -> str "Idtac"
| TacFail (0,"") -> str "Fail"
| TacAtom (_,t) -> pr_atom0 t
| TacArg c -> pr_tacarg c
| t -> str "(" ++ prtac t ++ str ")"
(* Semi-closed atomic tactic expressions *)
and pr1 = function
| TacAtom (_,t) -> pr_atom1 t
| TacFail (0,s) -> str "Fail \"" ++ str s ++ str "\""
| TacFail (n,"") -> str "Fail " ++ int n
| TacFail (n,s) -> str "Fail " ++ int n ++ str " \"" ++ str s ++ str "\""
| t -> pr0 t
(* Orelse tactic expressions (printed as if parsed associating on the right
though the semantics is purely associative) *)
and pr2 = function
| TacOrelse (t1,t2) ->
hov 1 (pr1 t1 ++ str " Orelse" ++ brk (1,1) ++ pr3 t2)
| t -> pr1 t
(* Non closed prefix tactic expressions *)
and pr3 = function
| TacTry t -> hov 1 (str "Try" ++ spc () ++ pr3 t)
| TacDo (n,t) -> hov 1 (str "Do " ++ int n ++ spc () ++ pr3 t)
| TacRepeat t -> hov 1 (str "Repeat" ++ spc () ++ pr3 t)
| TacProgress t -> hov 1 (str "Progress" ++ spc () ++ pr3 t)
| TacInfo t -> hov 1 (str "Info" ++ spc () ++ pr3 t)
| t -> pr2 t
and pr4 = function
| t -> pr3 t
(* THEN and THENS tactic expressions (printed as if parsed
associating on the left though the semantics is purely associative) *)
and pr5 = function
| TacThens (t,tl) ->
hov 1 (pr5 t ++ str ";" ++ spc () ++ pr_tactic_seq_body tl)
| TacThen (t1,t2) ->
hov 1 (pr5 t1 ++ str ";" ++ spc () ++ pr4 t2)
| t -> pr4 t
(* Ltac tactic expressions *)
and pr6 = function
|(TacAtom _
| TacThen _
| TacThens _
| TacFirst _
| TacSolve _
| TacTry _
| TacOrelse _
| TacDo _
| TacRepeat _
| TacProgress _
| TacId
| TacFail _
| TacInfo _) as t -> pr5 t
| TacAbstract (t,None) -> str "Abstract " ++ pr6 t
| TacAbstract (t,Some s) ->
hov 0
(str "Abstract " ++ pr6 t ++ spc () ++ str "using" ++ spc () ++ pr_id s)
| TacLetRecIn (l,t) ->
hv 0
(str "Rec " ++ pr_rec_clauses prtac l ++
spc () ++ str "In" ++ fnl () ++ prtac t)
| TacLetIn (llc,u) ->
v 0
(hv 0 (pr_let_clauses pr_tacarg0 llc ++ spc () ++ str "In") ++ fnl () ++ prtac u)
| TacMatch (t,lrul) ->
hov 0 (str "Match" ++ spc () ++ pr6 t ++ spc()
++ str "With"
++ prlist
(fun r -> fnl () ++ str "|" ++ spc () ++
pr_match_rule true pr_pat prtac r)
lrul)
| TacMatchContext (lr,lrul) ->
hov 0 (
str (if lr then "Match Reverse Context With" else "Match Context With")
++ prlist
(fun r -> fnl () ++ str "|" ++ spc () ++
pr_match_rule false pr_pat prtac r)
lrul)
| TacFun (lvar,body) ->
hov 0 (str "Fun" ++
prlist pr_funvar lvar ++ spc () ++ str "->" ++ spc () ++ prtac body)
| TacArg c -> pr_tacarg c
and pr_tacarg0 = function
| TacDynamic (_,t) -> str ("<dynamic ["^(Dyn.tag t)^"]>")
| MetaIdArg (_,s) -> str ("$" ^ s)
| Identifier id -> pr_id id
| TacVoid -> str "()"
| Reference r -> pr_ref r
| ConstrMayEval (ConstrTerm c) -> str "'" ++ pr_constr c
| ConstrMayEval c -> pr_may_eval pr_constr pr_cst c
| Integer n -> int n
| TacFreshId sopt -> str "FreshId" ++ pr_opt qstring sopt
| (TacCall _ | Tacexp _) as t -> str "(" ++ pr_tacarg1 t ++ str ")"
and pr_tacarg1 = function
| TacCall (_,f,l) ->
hov 0 (pr_ref f ++ spc () ++ prlist_with_sep spc pr_tacarg0 l)
| Tacexp t -> pr_tac t
| t -> pr_tacarg0 t
and pr_tacarg x = pr_tacarg1 x
and prtac x = pr6 x
in (prtac,pr0,pr_match_rule false pr_pat pr_tac)
let pr_raw_extend prc prlc prtac =
pr_extend_gen (pr_raw_generic prc prlc prtac pr_reference)
let pr_glob_extend prc prlc prtac =
pr_extend_gen (pr_glob_generic prc prlc prtac)
let pr_extend prc prlc prtac =
pr_extend_gen (pr_generic prc prlc prtac)
let pr_and_constr_expr pr (c,_) = pr c
let rec glob_printers =
(pr_glob_tactic,
pr_glob_tactic0,
pr_and_constr_expr Ppconstr.pr_rawconstr,
Printer.pr_pattern,
pr_or_var (pr_and_short_name pr_evaluable_reference),
pr_or_var pr_inductive,
pr_or_var (pr_located pr_ltac_constant),
pr_located pr_id,
pr_glob_extend)
and pr_glob_tactic (t:glob_tactic_expr) = pi1 (make_pr_tac glob_printers) t
and pr_glob_tactic0 t = pi2 (make_pr_tac glob_printers) t
and pr_glob_match_context t = pi3 (make_pr_tac glob_printers) t
let (pr_tactic,_,_) =
make_pr_tac
(pr_glob_tactic,
pr_glob_tactic0,
Printer.prterm,
Printer.pr_pattern,
pr_evaluable_reference,
pr_inductive,
pr_ltac_constant,
pr_id,
pr_extend)
|