* http://cs.unibo.it/helm/.
*)
-(******************************************************************************)
-(* *)
-(* PROJECT HELM *)
-(* *)
-(* Claudio Sacerdoti Coen <sacerdot@cs.unibo.it> *)
-(* 29/11/2000 *)
-(* *)
-(* This module defines the internal representation of the objects (variables, *)
-(* blocks of (co)inductive definitions and constants) and the terms of cic *)
-(* *)
-(******************************************************************************)
+(*****************************************************************************)
+(* *)
+(* PROJECT HELM *)
+(* *)
+(* Claudio Sacerdoti Coen <sacerdot@cs.unibo.it> *)
+(* 29/11/2000 *)
+(* *)
+(* This module defines the internal representation of the objects (variables,*)
+(* blocks of (co)inductive definitions and constants) and the terms of cic *)
+(* *)
+(*****************************************************************************)
(* STUFF TO MANAGE IDENTIFIERS *)
type id = string (* the abstract type of the (annotated) node identifiers *)
-type anntarget =
- Object of annobj
- | Term of annterm
+type 'term explicit_named_substitution = (UriManager.uri * 'term) list
+
+type implicit_annotation = [ `Closed | `Type | `Hole ]
(* INTERNAL REPRESENTATION OF CIC OBJECTS AND TERMS *)
-and sort =
+
+type sort =
Prop
| Set
- | Type
-and name =
- Name of string
- | Anonimous
-and term =
- Rel of int (* DeBrujin index *)
- | Var of UriManager.uri (* uri *)
- | Meta of int (* numeric id *)
+ | Type of CicUniv.universe
+ | CProp
+
+type name =
+ | Name of string
+ | Anonymous
+
+type object_class =
+ [ `Coercion
+ | `Elim of sort (** elimination principle; if sort is Type, the universe is
+ * not relevant *)
+ | `Record of string list (** inductive type that encodes a record;
+ the arguments are the record fields *)
+ | `Projection (** record projection *)
+ ]
+
+type attribute =
+ [ `Class of object_class
+ | `Generated
+ ]
+
+type term =
+ Rel of int (* DeBrujin index, 1 based*)
+ | Var of UriManager.uri * (* uri, *)
+ term explicit_named_substitution (* explicit named subst. *)
+ | Meta of int * (term option) list (* numeric id, *)
+ (* local context *)
| Sort of sort (* sort *)
- | Implicit (* *)
+ | Implicit of implicit_annotation option (* *)
| Cast of term * term (* value, type *)
| Prod of name * term * term (* binder, source, target *)
| Lambda of name * term * term (* binder, source, target *)
| LetIn of name * term * term (* binder, term, target *)
| Appl of term list (* arguments *)
- | Const of UriManager.uri * int (* uri, number of cookings*)
- | Abst of UriManager.uri (* uri *)
- | MutInd of UriManager.uri * int * int (* uri, cookingsno, typeno*)
- | MutConstruct of UriManager.uri * int * (* uri, cookingsno, *)
- int * int (* typeno, consno *)
- (*CSC: serve cookingsno?*)
- | MutCase of UriManager.uri * int * (* ind. uri, cookingsno, *)
+ | Const of UriManager.uri * (* uri, *)
+ term explicit_named_substitution (* explicit named subst. *)
+ | MutInd of UriManager.uri * int * (* uri, typeno, *)
+ term explicit_named_substitution (* explicit named subst. *)
+ (* typeno is 0 based *)
+ | MutConstruct of UriManager.uri * (* uri, *)
+ int * int * (* typeno, consno *)
+ term explicit_named_substitution (* explicit named subst. *)
+ (* typeno is 0 based *)
+ (* consno is 1 based *)
+ | MutCase of UriManager.uri * (* ind. uri, *)
int * (* ind. typeno, *)
term * term * (* outtype, ind. term *)
term list (* patterns *)
- | Fix of int * inductiveFun list (* funno, functions *)
- | CoFix of int * coInductiveFun list (* funno, functions *)
+ | Fix of int * inductiveFun list (* funno (0 based), funs *)
+ | CoFix of int * coInductiveFun list (* funno (0 based), funs *)
and obj =
- Definition of string * term * term * (* id, value, type, *)
- (int * UriManager.uri list) list (* parameters *)
- | Axiom of string * term *
- (int * UriManager.uri list) list (* id, type, parameters *)
- | Variable of string * term option * term (* name, body, type *)
- | CurrentProof of string * (int * term) list * (* name, conjectures, *)
- term * term (* value, type *)
+ Constant of string * term option * term * (* id, body, type, *)
+ UriManager.uri list * attribute list (* parameters *)
+ | Variable of string * term option * term * (* name, body, type *)
+ UriManager.uri list * attribute list (* parameters *)
+ | CurrentProof of string * metasenv * term * (* name, conjectures, value,*)
+ term * UriManager.uri list * attribute list (* type, parameters *)
| InductiveDefinition of inductiveType list * (* inductive types, *)
- (int * UriManager.uri list) list * int (* parameters, n ind. pars *)
+ UriManager.uri list * int * attribute list (* params, left params no *)
and inductiveType =
string * bool * term * (* typename, inductive, arity *)
constructor list (* constructors *)
and constructor =
- string * term * bool list option ref (* id, type, really recursive *)
+ string * term (* id, type *)
and inductiveFun =
string * int * term * term (* name, ind. index, type, body *)
and coInductiveFun =
string * term * term (* name, type, body *)
+(* a metasenv is a list of declarations of metas in declarations *)
+(* order (i.e. [oldest ; ... ; newest]). Older variables can not *)
+(* depend on new ones. *)
+and conjecture = int * context * term
+and metasenv = conjecture list
+and substitution = (int * (context * term * term)) list
+
+
+
+(* a metasenv is a list of declarations of metas in declarations *)
+(* order (i.e. [oldest ; ... ; newest]). Older variables can not *)
+(* depend on new ones. *)
+and annconjecture = id * int * anncontext * annterm
+and annmetasenv = annconjecture list
+
and annterm =
- ARel of id * int * string (* DeBrujin index, binder *)
- | AVar of id * UriManager.uri (* uri *)
- | AMeta of id * int (* numeric id *)
+ ARel of id * id * int * (* idref, DeBrujin index, *)
+ string (* binder *)
+ | AVar of id * UriManager.uri * (* uri, *)
+ annterm explicit_named_substitution (* explicit named subst. *)
+ | AMeta of id * int * (annterm option) list (* numeric id, *)
+ (* local context *)
| ASort of id * sort (* sort *)
- | AImplicit of id (* *)
+ | AImplicit of id * implicit_annotation option (* *)
| ACast of id * annterm * annterm (* value, type *)
| AProd of id * name * annterm * annterm (* binder, source, target *)
| ALambda of id * name * annterm * annterm (* binder, source, target *)
| ALetIn of id * name * annterm * annterm (* binder, term, target *)
| AAppl of id * annterm list (* arguments *)
- | AConst of id * UriManager.uri * int (* uri, number of cookings*)
- | AAbst of id * UriManager.uri (* uri *)
- | AMutInd of id * UriManager.uri * int * int (* uri, cookingsno, typeno*)
- | AMutConstruct of id * UriManager.uri * int * (* uri, cookingsno, *)
- int * int (* typeno, consno *)
- (*CSC: serve cookingsno?*)
- | AMutCase of id * UriManager.uri * int * (* ind. uri, cookingsno *)
+ | AConst of id * UriManager.uri * (* uri, *)
+ annterm explicit_named_substitution (* explicit named subst. *)
+ | AMutInd of id * UriManager.uri * int * (* uri, typeno *)
+ annterm explicit_named_substitution (* explicit named subst. *)
+ (* typeno is 0 based *)
+ | AMutConstruct of id * UriManager.uri * (* uri, *)
+ int * int * (* typeno, consno *)
+ annterm explicit_named_substitution (* explicit named subst. *)
+ (* typeno is 0 based *)
+ (* consno is 1 based *)
+ | AMutCase of id * UriManager.uri * (* ind. uri, *)
int * (* ind. typeno, *)
annterm * annterm * (* outtype, ind. term *)
annterm list (* patterns *)
| AFix of id * int * anninductiveFun list (* funno, functions *)
| ACoFix of id * int * anncoInductiveFun list (* funno, functions *)
and annobj =
- ADefinition of id * string * (* id, *)
- annterm * annterm * (* value, type, *)
- (int * UriManager.uri list) list exactness (* parameters *)
- | AAxiom of id * string * annterm * (* id, type *)
- (int * UriManager.uri list) list (* parameters *)
+ AConstant of id * id option * string * (* name, *)
+ annterm option * annterm * (* body, type, *)
+ UriManager.uri list * attribute list (* parameters *)
| AVariable of id *
- string * annterm option * annterm (* name, body, type *)
- | ACurrentProof of id *
- string * (int * annterm) list * (* name, conjectures, *)
- annterm * annterm (* value, type *)
+ string * annterm option * annterm * (* name, body, type *)
+ UriManager.uri list * attribute list (* parameters *)
+ | ACurrentProof of id * id *
+ string * annmetasenv * (* name, conjectures, *)
+ annterm * annterm * UriManager.uri list * (* value,type,parameters *)
+ attribute list
| AInductiveDefinition of id *
anninductiveType list * (* inductive types , *)
- (int * UriManager.uri list) list * int (* parameters,n ind. pars*)
+ UriManager.uri list * int * attribute list (* parameters,n ind. pars*)
and anninductiveType =
- string * bool * annterm * (* typename, inductive, arity *)
+ id * string * bool * annterm * (* typename, inductive, arity *)
annconstructor list (* constructors *)
and annconstructor =
- string * annterm * bool list option ref (* id, type, really recursive *)
+ string * annterm (* id, type *)
and anninductiveFun =
- string * int * annterm * annterm (* name, ind. index, type, body *)
+ id * string * int * annterm * annterm (* name, ind. index, type, body *)
and anncoInductiveFun =
- string * annterm * annterm (* name, type, body *)
+ id * string * annterm * annterm (* name, type, body *)
and annotation =
string
-and 'a exactness =
- Possible of 'a (* an approximation to something *)
- | Actual of 'a (* something *)
-;;
-(* Contexts are lists of context_entry *)
-type context_entry =
+and context_entry = (* A declaration or definition *)
Decl of term
- | Def of term
+ | Def of term * term option (* body, type (if known) *)
+
+and hypothesis =
+ (name * context_entry) option (* None means no more accessible *)
+
+and context = hypothesis list
+
+and anncontext_entry = (* A declaration or definition *)
+ ADecl of annterm
+ | ADef of annterm
+
+and annhypothesis =
+ id * (name * anncontext_entry) option (* None means no more accessible *)
+
+and anncontext = annhypothesis list
;;
-type context = context_entry list;;
+type anntarget =
+ Object of annobj (* if annobj is a Constant, this is its type *)
+ | ConstantBody of annobj
+ | Term of annterm
+ | Conjecture of annconjecture
+ | Hypothesis of annhypothesis
+