let analyze_type context t =
let rec aux =
function
- Cic.Sort _ -> `Sort
+ Cic.Sort s -> `Sort s
| Cic.Prod (_,_,t) -> aux t
| _ -> `SomethingElse
in
match aux t with
- `Sort -> `Sort
+ `Sort _ as res -> res
| `SomethingElse ->
match
fst(CicTypeChecker.type_of_aux' [] context t CicUniv.oblivion_ugraph)
let ppid =
let reserved =
[ "to";
- "mod"
+ "mod";
+ "val";
+ "in";
+ "function"
]
in
function n ->
| (_,_) -> raise NotEnoughElements
;;
-(* pp t l *)
-(* pretty-prints a term t of cic in an environment l where l is a list of *)
-(* identifier names used to resolve DeBrujin indexes. The head of l is the *)
-(* name associated to the greatest DeBrujin index in t *)
-let pp ?metasenv =
-let rec pp t context =
+let qualified_name_of_uri current_module_uri ?(capitalize=false) uri =
+ let name =
+ if capitalize then
+ String.capitalize (UriManager.name_of_uri uri)
+ else
+ ppid (UriManager.name_of_uri uri) in
+ let filename =
+ let suri = UriManager.buri_of_uri uri in
+ let s = String.sub suri 5 (String.length suri - 5) in
+ let s = Pcre.replace ~pat:"/" ~templ:"_" s in
+ String.uncapitalize s in
+ if current_module_uri = UriManager.buri_of_uri uri then
+ name
+ else
+ String.capitalize filename ^ "." ^ name
+;;
+
+let pp current_module_uri ?metasenv ~in_type =
+let rec pp ~in_type t context =
let module C = Cic in
match t with
C.Rel n ->
NotEnoughElements -> string_of_int (List.length context - n)
end
| C.Var (uri,exp_named_subst) ->
- UriManager.name_of_uri uri ^ pp_exp_named_subst exp_named_subst context
+ qualified_name_of_uri current_module_uri uri ^
+ pp_exp_named_subst exp_named_subst context
| C.Meta (n,l1) ->
(match metasenv with
None ->
"?" ^ (string_of_int n) ^ "[" ^
String.concat " ; "
- (List.rev_map (function None -> "_" | Some t -> pp t context) l1) ^
+ (List.rev_map
+ (function
+ None -> "_"
+ | Some t -> pp ~in_type:false t context) l1) ^
"]"
| Some metasenv ->
try
match x,y with
_, None
| None, _ -> "_"
- | Some _, Some t -> pp t context
+ | Some _, Some t -> pp ~in_type:false t context
) context l1)) ^
"]"
with
| Invalid_argument _ ->
"???" ^ (string_of_int n) ^ "[" ^
String.concat " ; "
- (List.rev_map (function None -> "_" | Some t -> pp t context) l1) ^
+ (List.rev_map (function None -> "_" | Some t ->
+ pp ~in_type:false t context) l1) ^
"]"
)
| C.Sort s ->
| C.Implicit _ -> "?"
| C.Prod (b,s,t) ->
(match b with
- C.Name n -> "(\\forall " ^ n ^ ":" ^ pp s context ^ "." ^ pp t ((Some (b,Cic.Decl s))::context) ^ ")"
- | C.Anonymous -> "(" ^ pp s context ^ "\\to " ^ pp t ((Some (b,Cic.Decl s))::context) ^ ")"
- )
- | C.Cast (v,t) -> pp v context
+ C.Name n ->
+ let n = "'" ^ String.uncapitalize n in
+ "(" ^ pp ~in_type:true s context ^ " -> " ^
+ pp ~in_type:true t ((Some (Cic.Name n,Cic.Decl s))::context) ^ ")"
+ | C.Anonymous ->
+ "(" ^ pp ~in_type:true s context ^ " -> " ^
+ pp ~in_type:true t ((Some (b,Cic.Decl s))::context) ^ ")")
+ | C.Cast (v,t) -> pp ~in_type v context
| C.Lambda (b,s,t) ->
(match analyze_type context s with
- `Sort
- | `Statement -> pp t ((Some (b,Cic.Decl s))::context)
- | `Type -> "(function " ^ ppname b ^ " -> " ^ pp t ((Some (b,Cic.Decl s))::context) ^ ")")
+ `Sort _
+ | `Statement -> pp ~in_type t ((Some (b,Cic.Decl s))::context)
+ | `Type ->
+ "(function " ^ ppname b ^ " -> " ^
+ pp ~in_type t ((Some (b,Cic.Decl s))::context) ^ ")")
| C.LetIn (b,s,t) ->
- let ty,_ = CicTypeChecker.type_of_aux' [] context t CicUniv.oblivion_ugraph in
- "(let " ^ ppname b ^ " = " ^ pp s context ^ " in " ^ pp t ((Some (b,Cic.Def (s,Some ty)))::context) ^ ")"
- | C.Appl (C.MutConstruct _ as he::tl) ->
- let hes = pp he context in
- let stl = String.concat "," (clean_args context tl) in
+ let ty,_ = CicTypeChecker.type_of_aux' [] context s CicUniv.oblivion_ugraph in
+ "(let " ^ ppname b ^ " = " ^ pp ~in_type:false s context ^ " in " ^
+ pp ~in_type t ((Some (b,Cic.Def (s,Some ty)))::context) ^ ")"
+ | C.Appl (C.MutInd _ as he::tl) ->
+ let hes = pp ~in_type he context in
+ let stl = String.concat "," (clean_args_for_ty context tl) in
+ (if stl = "" then "" else "(" ^ stl ^ ") ") ^ hes
+ | C.Appl (C.MutConstruct (uri,n,_,_) as he::tl) ->
+ let nparams =
+ match fst(CicEnvironment.get_obj CicUniv.empty_ugraph uri) with
+ C.InductiveDefinition (_,_,nparams,_) -> nparams
+ | _ -> assert false in
+ let hes = pp ~in_type he context in
+ let stl = String.concat "," (clean_args nparams context tl) in
"(" ^ hes ^ (if stl = "" then "" else "(" ^ stl ^ ")") ^ ")"
| C.Appl li ->
- "(" ^ String.concat " " (clean_args context li) ^ ")"
+ "(" ^ String.concat " " (clean_args 0 context li) ^ ")"
| C.Const (uri,exp_named_subst) ->
- ppid (UriManager.name_of_uri uri) ^ pp_exp_named_subst exp_named_subst context
+ qualified_name_of_uri current_module_uri uri ^
+ pp_exp_named_subst exp_named_subst context
| C.MutInd (uri,n,exp_named_subst) ->
(try
match fst(CicEnvironment.get_obj CicUniv.empty_ugraph uri) with
C.InductiveDefinition (dl,_,_,_) ->
let (name,_,_,_) = get_nth dl (n+1) in
- ppid name ^ pp_exp_named_subst exp_named_subst context
+ qualified_name_of_uri current_module_uri
+ (UriManager.uri_of_string
+ (UriManager.buri_of_uri uri ^ "/" ^ name ^ ".con")) ^
+ pp_exp_named_subst exp_named_subst context
| _ -> raise CicExportationInternalError
with
Sys.Break as exn -> raise exn
(try
match fst(CicEnvironment.get_obj CicUniv.empty_ugraph uri) with
C.InductiveDefinition (dl,_,_,_) ->
- let (_,_,_,cons) = get_nth dl (n1+1) in
- let (id,_) = get_nth cons n2 in
- String.capitalize id ^ pp_exp_named_subst exp_named_subst context
+ let _,_,_,cons = get_nth dl (n1+1) in
+ let id,_ = get_nth cons n2 in
+ qualified_name_of_uri current_module_uri ~capitalize:true
+ (UriManager.uri_of_string
+ (UriManager.buri_of_uri uri ^ "/" ^ id ^ ".con")) ^
+ pp_exp_named_subst exp_named_subst context
| _ -> raise CicExportationInternalError
with
Sys.Break as exn -> raise exn
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
- String.capitalize id, count_prods paramsno ty
- ) cons
- | _ -> raise CicExportationInternalError
- )
+ if in_type then
+ "unit (* TOO POLYMORPHIC TYPE *)"
+ else (
+ let needs_obj_magic =
+ (* BUG HERE: we should consider also the right parameters *)
+ match CicReduction.whd context ty with
+ Cic.Lambda (_,_,t) -> not (DoubleTypeInference.does_not_occur 1 t)
+ | _ -> false (* it can be a Rel, e.g. in *_rec *)
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 ~in_type:false he context (* singleton elimination *)
+ | _ -> assert false)
+ | `Term ->
+ if patterns = [] then "assert false"
+ else
+ (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_uri
+ ~capitalize:true
+ (UriManager.uri_of_string
+ (UriManager.buri_of_uri uri ^ "/" ^ id ^ ".con")),
+ count_prods paramsno ty
+ ) cons
+ | _ -> raise CicExportationInternalError
+ )
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
+ let connames_and_argsno_and_patterns =
+ let rec combine =
+ function
+ [],[] -> []
+ | (x,no)::tlx,y::tly -> (x,no,y)::(combine (tlx,tly))
+ | _,_ -> assert false
+ in
+ combine (connames_and_argsno,patterns)
in
- pattern ^ " -> " ^ body
- ) connames_and_argsno_and_patterns)) ^
- ")\n"
+ "\n(match " ^ pp ~in_type:false 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 name =
+ match name with
+ Cic.Anonymous -> Cic.Anonymous
+ | Cic.Name n -> Cic.Name (ppid n) in
+ let args,res =
+ aux (argsno - 1) (Some (name,Cic.Decl ty)::context)
+ bo
+ in
+ (match analyze_type context ty with
+ `Statement
+ | `Sort _ -> args,res
+ | `Type ->
+ (match name with
+ C.Anonymous -> "_"
+ | C.Name s -> s)::args,res)
+ | t when argsno = 0 -> [],pp ~in_type:false t context
+ | t ->
+ ["{" ^ string_of_int argsno ^ " args missing}"],
+ pp ~in_type:false t context
+ in
+ let pattern,body =
+ if argsno = 0 then x,pp ~in_type:false y context
+ else
+ let args,body = aux argsno context y in
+ let sargs = String.concat "," args in
+ x ^ (if sargs = "" then "" else "(" ^ sargs^ ")"),
+ body
+ in
+ pattern ^ " -> " ^
+ if needs_obj_magic then
+ "Obj.magic (" ^ body ^ ")"
+ else
+ body
+ ) connames_and_argsno_and_patterns)) ^
+ ")\n")))
| C.Fix (no, funs) ->
let names =
List.rev
(function (name,_,ty,_) ->
Some (C.Name name,Cic.Decl ty)) funs)
in
- "\nlet rec " ^
+ "let rec " ^
List.fold_right
(fun (name,ind,ty,bo) i -> name ^ " = \n" ^
- pp bo (names@context) ^ i)
+ pp ~in_type:false bo (names@context) ^ i)
funs "" ^
" in " ^
(match get_nth names (no + 1) with
Some (Cic.Name n,_) -> n
- | _ -> assert false) ^ "\n"
+ | _ -> assert false)
| C.CoFix (no,funs) ->
let names =
List.rev
"\nCoFix " ^ " {" ^
List.fold_right
(fun (name,ty,bo) i -> "\n" ^ name ^
- " : " ^ pp ty context ^ " := \n" ^
- pp bo (names@context) ^ i)
+ " : " ^ pp ~in_type:true ty context ^ " := \n" ^
+ pp ~in_type:false bo (names@context) ^ i)
funs "" ^
"}\n"
and pp_exp_named_subst exp_named_subst context =
"\\subst[" ^
String.concat " ; " (
List.map
- (function (uri,t) -> UriManager.name_of_uri uri ^ " \\Assign " ^ pp t context)
+ (function (uri,t) -> UriManager.name_of_uri uri ^ " \\Assign " ^ pp ~in_type:false t context)
exp_named_subst
) ^ "]"
-and clean_args context =
+and clean_args nparams context =
+ let nparams = ref nparams in
HExtlib.filter_map
(function t ->
+ decr nparams;
match analyze_term context t with
- `Type -> None
+ `Term when !nparams < 0 -> Some (pp ~in_type:false t context)
+ | `Term
+ | `Type
+ | `Proof -> None)
+and clean_args_for_ty context =
+ HExtlib.filter_map
+ (function t ->
+ match analyze_term context t with
+ `Type -> Some (pp ~in_type:true t context)
| `Proof -> None
- | `Term -> Some pp t context)
+ | `Term -> None)
in
- pp
+ pp ~in_type
+;;
+
+let ppty current_module_uri =
+ (* nparams is the number of left arguments
+ left arguments should either become parameters or be skipped altogether *)
+ let rec args nparams context =
+ function
+ Cic.Prod (n,s,t) ->
+ let n =
+ match n with
+ Cic.Anonymous -> Cic.Anonymous
+ | Cic.Name n -> Cic.Name (String.uncapitalize n)
+ in
+ (match analyze_type context s with
+ `Statement
+ | `Sort Cic.Prop ->
+ args (nparams - 1) ((Some (n,Cic.Decl s))::context) t
+ | `Type when nparams > 0 ->
+ args (nparams - 1) ((Some (n,Cic.Decl s))::context) t
+ | `Type ->
+ let abstr,args =
+ args (nparams - 1) ((Some (n,Cic.Decl s))::context) t in
+ abstr,pp ~in_type:true current_module_uri s context::args
+ | `Sort _ ->
+ let n =
+ match n with
+ Cic.Anonymous -> Cic.Anonymous
+ | Cic.Name name -> Cic.Name ("'" ^ name) in
+ let abstr,args =
+ args (nparams - 1) ((Some (n,Cic.Decl s))::context) t
+ in
+ (match n with
+ Cic.Anonymous -> abstr
+ | Cic.Name name -> name::abstr),
+ args)
+ | _ -> [],[]
+ in
+ args
;;
(* ppinductiveType (typename, inductive, arity, cons) *)
(* pretty-prints a single inductive definition *)
(* (typename, inductive, arity, cons) *)
-let ppinductiveType (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
- `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 s context::args)
- | _ -> [],[]
- 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 ppinductiveType current_module_uri nparams (typename, inductive, arity, cons)
+=
+ match analyze_type [] arity with
+ `Sort Cic.Prop -> ""
+ | `Statement
+ | `Type -> assert false
+ | `Sort _ ->
+ if cons = [] then
+ "type " ^ String.uncapitalize typename ^ " = unit (* empty type *)\n"
+ else (
+ let abstr,scons =
+ List.fold_right
+ (fun (id,ty) (_abstr,i) -> (* we should verify _abstr = abstr' *)
+ let abstr',sargs = ppty current_module_uri nparams [] ty in
+ let sargs = String.concat " * " sargs in
+ abstr',
+ String.capitalize id ^
+ (if sargs = "" then "" else " of " ^ sargs) ^
+ (if i = "" then "" else "\n | ") ^ i)
+ cons ([],"")
+ in
+ let abstr =
+ let s = String.concat "," abstr in
+ if s = "" then "" else "(" ^ s ^ ") "
+ in
+ "type " ^ abstr ^ String.uncapitalize typename ^ " =\n" ^ scons ^ "\n")
;;
-(* ppobj obj returns a string with describing the cic object obj in a syntax *)
-(* similar to the one used by Coq *)
-let ppobj obj =
+let ppobj current_module_uri obj =
let module C = Cic in
let module U = UriManager in
+ let pp ~in_type = pp ~in_type current_module_uri in
match obj with
C.Constant (name, Some t1, t2, params, _) ->
(match analyze_type [] t2 with
- `Statement -> ""
- | `Type
- | `Sort -> "let " ^ ppid name ^ " =\n" ^ pp t1 [] ^ "\n")
+ `Sort Cic.Prop
+ | `Statement -> ""
+ | `Type -> "let " ^ ppid name ^ " =\n" ^ pp ~in_type:false t1 [] ^ "\n"
+ | `Sort _ ->
+ match analyze_type [] t1 with
+ `Sort Cic.Prop -> ""
+ | _ ->
+ let abstr,args = ppty current_module_uri 0 [] 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
- `Statement -> ""
- | `Sort -> "type " ^ ppid name ^ "\n"
+ `Sort Cic.Prop
+ | `Statement -> ""
+ | `Sort _ -> "type " ^ ppid name ^ "\n"
| `Type -> "let " ^ ppid name ^ " = assert false\n")
| C.Variable (name, bo, ty, params, _) ->
"Variable " ^ name ^
"(" ^ String.concat ";" (List.map UriManager.string_of_uri params) ^
")" ^ ":\n" ^
- pp ty [] ^ "\n" ^
- (match bo with None -> "" | Some bo -> ":= " ^ pp bo [])
+ pp ~in_type:true ty [] ^ "\n" ^
+ (match bo with None -> "" | Some bo -> ":= " ^ pp ~in_type:false bo [])
| C.CurrentProof (name, conjectures, value, ty, params, _) ->
"Current Proof of " ^ name ^
"(" ^ String.concat ";" (List.map UriManager.string_of_uri params) ^
Some (n,C.Decl at) ->
(separate i) ^
ppname n ^ ":" ^
- pp ~metasenv:conjectures at name_context ^ " ",
+ pp ~in_type:true ~metasenv:conjectures
+ at name_context ^ " ",
context_entry::name_context
| Some (n,C.Def (at,None)) ->
(separate i) ^
- ppname n ^ ":= " ^ pp ~metasenv:conjectures
- at name_context ^ " ",
+ ppname n ^ ":= " ^ pp ~in_type:false
+ ~metasenv:conjectures at name_context ^ " ",
context_entry::name_context
| None ->
(separate i) ^ "_ :? _ ", context_entry::name_context
) context ("",[])
in
conjectures' ^ " |- " ^ "?" ^ (string_of_int n) ^ ": " ^
- pp ~metasenv:conjectures t name_context ^ "\n" ^ i
+ pp ~in_type:true ~metasenv:conjectures t name_context ^ "\n" ^ i
) conjectures "" ^
- "\n" ^ pp ~metasenv:conjectures value [] ^ " : " ^
- pp ~metasenv:conjectures ty []
+ "\n" ^ pp ~in_type:false ~metasenv:conjectures value [] ^ " : " ^
+ pp ~in_type:true ~metasenv:conjectures ty []
| C.InductiveDefinition (l, params, nparams, _) ->
- List.fold_right (fun x i -> ppinductiveType x ^ i) l "\n"
+ List.fold_right
+ (fun x i -> ppinductiveType current_module_uri nparams x ^ i) l ""
;;
-let ppobj obj =
- let res = ppobj obj in
- if res = "" then "" else res ^ ";;\n"
+let ppobj current_module_uri obj =
+ let res = ppobj current_module_uri obj in
+ if res = "" then "" else res ^ ";;\n\n"
;;
projects / helm.git / blobdiff