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(* $Id$ *)
(*i*)
open Names
open Term
open Declarations
open Abstraction
open Univ
open Sign
(*i*)
(* Unsafe environments. We define here a datatype for environments.
Since typing is not yet defined, it is not possible to check the
informations added in environments, and that is what we speak here
of ``unsafe'' environments. *)
type env
val empty_env : env
val universes : env -> universes
val context : env -> context
val var_context : env -> var_context
val push_var : identifier * typed_type -> env -> env
val change_hyps :
(typed_type signature -> typed_type signature) -> env -> env
val change_name_rel : env -> int -> identifier -> env
val push_rel : name * typed_type -> env -> env
val set_universes : universes -> env -> env
val add_constraints : constraints -> env -> env
val add_constant :
section_path -> constant_body -> env -> env
val add_mind :
section_path -> mutual_inductive_body -> env -> env
val add_abstraction :
section_path -> abstraction_body -> env -> env
val new_meta : unit -> int
val lookup_var : identifier -> env -> name * typed_type
val lookup_rel : int -> env -> name * typed_type
val lookup_constant : section_path -> env -> constant_body
val lookup_mind : section_path -> env -> mutual_inductive_body
val id_of_global : env -> sorts oper -> identifier
val id_of_name_using_hdchar : env -> constr -> name -> identifier
(* [named_hd env t na] just returns [na] is it defined, otherwise it
creates a name built from [t] (e.g. ["n"] if [t] is [nat]) *)
val named_hd : env -> constr -> name -> name
(* [lambda_name env (na,t,c)] builds [[[x:t]c] where [x] is created
using [named_hd] if [na] is [Anonymous]; [prod_name env (na,t,c)]
works similarly but build a product; for [it_lambda_name env c
sign] and [it_prod_name env c sign], more recent types should come
first in [sign]; none of these functions substitute named
variables in [c] by de Bruijn indices *)
val lambda_name : env -> name * constr * constr -> constr
val prod_name : env -> name * constr * constr -> constr
val it_lambda_name : env -> constr -> (name * constr) list -> constr
val it_prod_name : env -> constr -> (name * constr) list -> constr
(* [lambda_create env (t,c)] builds [[x:t]c] where [x] is a name built
from [t]; [prod_create env (t,c)] builds [(x:t)c] where [x] is a
name built from [t] *)
val lambda_create : env -> constr * constr -> constr
val prod_create : env -> constr * constr -> constr
val translucent_abst : env -> constr -> bool
val evaluable_abst : env -> constr -> bool
val abst_value : env -> constr -> constr
val defined_constant : env -> constr -> bool
val evaluable_constant : env -> constr -> bool
(*s Modules. *)
type compiled_env
val export : env -> string -> compiled_env
val import : compiled_env -> env -> env
(*s Unsafe judgments. We introduce here the pre-type of judgments, which is
actually only a datatype to store a term with its type and the type of its
type. *)
type unsafe_judgment = {
uj_val : constr;
uj_type : typed_type }
type unsafe_type_judgment = {
utj_val : constr;
utj_type : sorts }
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