let rec aux =
function
Cic.Sort s -> `Sort s
- | Cic.Prod (_,_,t) -> aux t
+ | Cic.Prod (_,_,t)
+ | Cic.Lambda (_,_,t) -> aux t
| _ -> `SomethingElse
in
match aux t with
string_of_int n2
)
| C.MutCase (uri,n1,ty,te,patterns) ->
- let connames_and_argsno =
- (match fst(CicEnvironment.get_obj CicUniv.empty_ugraph uri) with
- C.InductiveDefinition (dl,_,paramsno,_) ->
- let (_,_,_,cons) = get_nth dl (n1+1) in
- List.map
- (fun (id,ty) ->
- (* this is just an approximation since we do not have
- reduction yet! *)
- let rec count_prods toskip =
- function
- C.Prod (_,_,bo) when toskip > 0 ->
- count_prods (toskip - 1) bo
- | C.Prod (_,_,bo) -> 1 + count_prods 0 bo
- | _ -> 0
- in
- qualified_name_of_uri current_module_name ~capitalize:true
- (UriManager.uri_of_string
- (UriManager.buri_of_uri uri ^ "/" ^ id ^ ".con")),
- count_prods paramsno ty
- ) cons
- | _ -> raise CicExportationInternalError
- )
- in
- let connames_and_argsno_and_patterns =
- let rec combine =
- function
- [],[] -> []
- | [],l -> List.map (fun x -> "???",0,Some x) l
- | l,[] -> List.map (fun (x,no) -> x,no,None) l
- | (x,no)::tlx,y::tly -> (x,no,Some y)::(combine (tlx,tly))
- in
- combine (connames_and_argsno,patterns)
- in
- "\n(match " ^ pp te context ^ " with \n" ^
- (String.concat "\n | "
- (List.map
- (fun (x,argsno,y) ->
- let rec aux argsno context =
- function
- Cic.Lambda (name,ty,bo) when argsno > 0 ->
- let args,res = aux (argsno - 1) (Some (name,Cic.Decl ty)::context) bo in
- (match name with C.Anonymous -> "_" | C.Name s -> s)::args,
- res
- | t when argsno = 0 -> [],pp t context
- | t -> ["{" ^ string_of_int argsno ^ " args missing}"],pp t context
+ (match analyze_term context te with
+ `Type -> assert false
+ | `Proof ->
+ (match patterns with
+ [] -> "assert false" (* empty type elimination *)
+ | [he] -> pp he context (* singleton elimination *)
+ | _ -> assert false)
+ | `Term ->
+ let connames_and_argsno =
+ (match fst(CicEnvironment.get_obj CicUniv.empty_ugraph uri) with
+ C.InductiveDefinition (dl,_,paramsno,_) ->
+ let (_,_,_,cons) = get_nth dl (n1+1) in
+ List.map
+ (fun (id,ty) ->
+ (* this is just an approximation since we do not have
+ reduction yet! *)
+ let rec count_prods toskip =
+ function
+ C.Prod (_,_,bo) when toskip > 0 ->
+ count_prods (toskip - 1) bo
+ | C.Prod (_,_,bo) -> 1 + count_prods 0 bo
+ | _ -> 0
+ in
+ qualified_name_of_uri current_module_name ~capitalize:true
+ (UriManager.uri_of_string
+ (UriManager.buri_of_uri uri ^ "/" ^ id ^ ".con")),
+ count_prods paramsno ty
+ ) cons
+ | _ -> raise CicExportationInternalError
+ )
+ in
+ let connames_and_argsno_and_patterns =
+ let rec combine =
+ function
+ [],[] -> []
+ | [],l -> List.map (fun x -> "???",0,Some x) l
+ | l,[] -> List.map (fun (x,no) -> x,no,None) l
+ | (x,no)::tlx,y::tly -> (x,no,Some y)::(combine (tlx,tly))
in
- let pattern,body =
- match y with
- None -> x,""
- | Some y when argsno = 0 -> x,pp y context
- | Some y ->
- let args,body = aux argsno context y in
- let sargs = String.concat "," args in
- x ^ (if sargs = "" then "" else "(" ^ sargs^ ")"),body
- in
- pattern ^ " -> " ^ body
- ) connames_and_argsno_and_patterns)) ^
- ")\n"
+ combine (connames_and_argsno,patterns)
+ in
+ "\n(match " ^ pp te context ^ " with \n" ^
+ (String.concat "\n | "
+ (List.map
+ (fun (x,argsno,y) ->
+ let rec aux argsno context =
+ function
+ Cic.Lambda (name,ty,bo) when argsno > 0 ->
+ let args,res = aux (argsno - 1) (Some (name,Cic.Decl ty)::context) bo in
+ (match name with C.Anonymous -> "_" | C.Name s -> s)::args,
+ res
+ | t when argsno = 0 -> [],pp t context
+ | t -> ["{" ^ string_of_int argsno ^ " args missing}"],pp t context
+ in
+ let pattern,body =
+ match y with
+ None -> x,""
+ | Some y when argsno = 0 -> x,pp y context
+ | Some y ->
+ let args,body = aux argsno context y in
+ let sargs = String.concat "," args in
+ x ^ (if sargs = "" then "" else "(" ^ sargs^ ")"),body
+ in
+ pattern ^ " -> " ^ body
+ ) connames_and_argsno_and_patterns)) ^
+ ")\n")
| C.Fix (no, funs) ->
let names =
List.rev
pp
;;
+let ppty current_module_name =
+ let rec args context =
+ function
+ Cic.Prod (n,s,t) ->
+ (match analyze_type context s with
+ `Sort Cic.Prop -> args ((Some (n,Cic.Decl s))::context) t
+ | `Statement
+ | `Sort _ ->
+ let n =
+ match n with
+ Cic.Anonymous -> Cic.Anonymous
+ | Cic.Name name -> Cic.Name ("'" ^ name) in
+ let abstr,args = args ((Some (n,Cic.Decl s))::context) t in
+ (match n with
+ Cic.Anonymous -> abstr
+ | Cic.Name name -> name::abstr),
+ args
+ | `Type ->
+ let abstr,args = args ((Some (n,Cic.Decl s))::context) t in
+ abstr,pp current_module_name s context::args)
+ | _ -> [],[]
+ in
+ args
+;;
+
(* ppinductiveType (typename, inductive, arity, cons) *)
(* pretty-prints a single inductive definition *)
(* (typename, inductive, arity, cons) *)
let ppinductiveType current_module_name (typename, inductive, arity, cons) =
- let abstr,scons =
- List.fold_right
- (fun (id,ty) (abstr,i) ->
- let rec args context =
- function
- Cic.Prod (n,s,t) ->
- (match analyze_type context s with
- `Sort Cic.Prop -> args ((Some (n,Cic.Decl s))::context) t
- | `Statement
- | `Sort _ ->
- let n =
- match n with
- Cic.Anonymous -> Cic.Anonymous
- | Cic.Name name -> Cic.Name ("'" ^ name) in
- let abstr,args = args ((Some (n,Cic.Decl s))::context) t in
- (match n with
- Cic.Anonymous -> abstr
- | Cic.Name name -> name::abstr),
- args
- | `Type ->
- let abstr,args = args ((Some (n,Cic.Decl s))::context) t in
- abstr,pp current_module_name s context::args)
- | _ -> [],[]
+ match analyze_type [] arity with
+ `Sort Cic.Prop -> ""
+ | `Statement
+ | `Type -> assert false
+ | `Sort _ ->
+ let abstr,scons =
+ List.fold_right
+ (fun (id,ty) (abstr,i) ->
+ let abstr',sargs = ppty current_module_name [] ty in
+ let sargs = String.concat " * " sargs in
+ abstr'@abstr,
+ String.capitalize id ^
+ (if sargs = "" then "" else " of " ^ sargs) ^
+ (if i = "" then "\n" else "\n | ") ^ i)
+ cons ([],"")
in
- let abstr',sargs = args [] ty in
- let sargs = String.concat " * " sargs in
- abstr'@abstr,
- String.capitalize id ^
- (if sargs = "" then "" else " of " ^ sargs) ^
- (if i = "" then "\n" else "\n | ") ^ i)
- cons ([],"")
- in
- let abstr =
- let s = String.concat "," abstr in
- if s = "" then "" else "(" ^ s ^ ") "
- in
- "type " ^ abstr ^ typename ^ " =\n" ^ scons
+ let abstr =
+ let s = String.concat "," abstr in
+ if s = "" then "" else "(" ^ s ^ ") "
+ in
+ "type " ^ abstr ^ String.uncapitalize typename ^ " =\n" ^ scons ^ "\n"
;;
let ppobj current_module_name obj =
(match analyze_type [] t2 with
`Sort Cic.Prop
| `Statement -> ""
- | `Type
- | `Sort _ -> "let " ^ ppid name ^ " =\n" ^ pp t1 [] ^ "\n")
+ | `Type -> "let " ^ ppid name ^ " =\n" ^ pp t1 [] ^ "\n"
+ | `Sort _ ->
+ match analyze_type [] t1 with
+ `Sort Cic.Prop -> ""
+ | _ ->
+ let abstr,args = ppty current_module_name [] t1 in
+ let abstr =
+ let s = String.concat "," abstr in
+ if s = "" then "" else "(" ^ s ^ ") "
+ in
+ "type " ^ abstr ^ ppid name ^ " = " ^ String.concat "->" args ^
+ "\n")
| C.Constant (name, None, ty, params, _) ->
(match analyze_type [] ty with
`Sort Cic.Prop
pp ~metasenv:conjectures ty []
| C.InductiveDefinition (l, params, nparams, _) ->
List.fold_right
- (fun x i -> ppinductiveType current_module_name x ^ i) l "\n"
+ (fun x i -> ppinductiveType current_module_name x ^ i) l ""
;;
let ppobj current_module_name obj =