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|
(************************************************************************)
(* v * The Coq Proof Assistant / The Coq Development Team *)
(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2010 *)
(* \VV/ **************************************************************)
(* // * This file is distributed under the terms of the *)
(* * GNU Lesser General Public License Version 2.1 *)
(************************************************************************)
(*i $Id: constrintern.mli 13329 2010-07-26 11:05:39Z herbelin $ i*)
(*i*)
open Names
open Term
open Sign
open Evd
open Environ
open Libnames
open Rawterm
open Pattern
open Topconstr
open Termops
open Pretyping
(*i*)
(*s Translation from front abstract syntax of term to untyped terms (rawconstr)
The translation performs:
- resolution of names :
- check all variables are bound
- make absolute the references to global objets
- resolution of symbolic notations using scopes
- insertion of implicit arguments
*)
(* To interpret implicit arguments and arg scopes of recursive variables
while internalizing inductive types and recursive definitions, and also
projection while typing records.
the third and fourth arguments associate a list of implicit
positions and scopes to identifiers declared in the [rel_context]
of [env] *)
type var_internalization_type =
| Inductive of identifier list (* list of params *)
| Recursive
| Method
type var_internalization_data =
var_internalization_type *
(* type of the "free" variable, for coqdoc, e.g. while typing the
constructor of JMeq, "JMeq" behaves as a variable of type Inductive *)
identifier list *
(* impargs to automatically add to the variable, e.g. for "JMeq A a B b"
in implicit mode, this is [A;B] and this adds (A:=A) and (B:=B) *)
Impargs.implicits_list * (* signature of impargs of the variable *)
scope_name option list (* subscopes of the args of the variable *)
(* A map of free variables to their implicit arguments and scopes *)
type internalization_env =
(identifier * var_internalization_data) list
(* Contains also a list of identifiers to automatically apply to the variables*)
val empty_internalization_env : internalization_env
val compute_internalization_data : env -> var_internalization_type ->
types -> Impargs.manual_explicitation list -> var_internalization_data
val compute_internalization_env : env -> var_internalization_type ->
identifier list -> types list -> Impargs.manual_explicitation list list ->
internalization_env
type manual_implicits = (explicitation * (bool * bool * bool)) list
type ltac_sign = identifier list * unbound_ltac_var_map
type raw_binder = (name * binding_kind * rawconstr option * rawconstr)
(*s Internalisation performs interpretation of global names and notations *)
val intern_constr : evar_map -> env -> constr_expr -> rawconstr
val intern_type : evar_map -> env -> constr_expr -> rawconstr
val intern_gen : bool -> evar_map -> env ->
?impls:internalization_env -> ?allow_patvar:bool -> ?ltacvars:ltac_sign ->
constr_expr -> rawconstr
val intern_pattern : env -> cases_pattern_expr ->
Names.identifier list *
((Names.identifier * Names.identifier) list * Rawterm.cases_pattern) list
val intern_context : bool -> evar_map -> env -> local_binder list -> raw_binder list
(*s Composing internalization with pretyping *)
(* Main interpretation function *)
val interp_gen : typing_constraint -> evar_map -> env ->
?impls:internalization_env -> ?allow_patvar:bool -> ?ltacvars:ltac_sign ->
constr_expr -> constr
(* Particular instances *)
val interp_constr : evar_map -> env ->
constr_expr -> constr
val interp_type : evar_map -> env -> ?impls:internalization_env ->
constr_expr -> types
val interp_open_constr : evar_map -> env -> constr_expr -> evar_map * constr
val interp_open_constr_patvar : evar_map -> env -> constr_expr -> evar_map * constr
val interp_casted_constr : evar_map -> env -> ?impls:internalization_env ->
constr_expr -> types -> constr
(* Accepting evars and giving back the manual implicits in addition. *)
val interp_casted_constr_evars_impls : ?evdref:(evar_map ref) -> ?fail_evar:bool -> env ->
?impls:internalization_env -> constr_expr -> types -> constr * manual_implicits
val interp_type_evars_impls : ?evdref:(evar_map ref) -> ?fail_evar:bool ->
env -> ?impls:internalization_env ->
constr_expr -> types * manual_implicits
val interp_constr_evars_impls : ?evdref:(evar_map ref) -> ?fail_evar:bool ->
env -> ?impls:internalization_env ->
constr_expr -> constr * manual_implicits
val interp_casted_constr_evars : evar_map ref -> env ->
?impls:internalization_env -> constr_expr -> types -> constr
val interp_type_evars : evar_map ref -> env -> ?impls:internalization_env ->
constr_expr -> types
(*s Build a judgment *)
val interp_constr_judgment : evar_map -> env -> constr_expr -> unsafe_judgment
(* Interprets constr patterns *)
val intern_constr_pattern :
evar_map -> env -> ?as_type:bool -> ?ltacvars:ltac_sign ->
constr_pattern_expr -> patvar list * constr_pattern
(* Raise Not_found if syndef not bound to a name and error if unexisting ref *)
val intern_reference : reference -> global_reference
(* Expands abbreviations (syndef); raise an error if not existing *)
val interp_reference : ltac_sign -> reference -> rawconstr
(* Interpret binders *)
val interp_binder : evar_map -> env -> name -> constr_expr -> types
val interp_binder_evars : evar_map ref -> env -> name -> constr_expr -> types
(* Interpret contexts: returns extended env and context *)
val interp_context_gen : (env -> rawconstr -> types) ->
(env -> rawconstr -> unsafe_judgment) ->
?global_level:bool ->
evar_map -> env -> local_binder list -> (env * rel_context) * manual_implicits
val interp_context : ?global_level:bool ->
evar_map -> env -> local_binder list -> (env * rel_context) * manual_implicits
val interp_context_evars : ?global_level:bool ->
evar_map ref -> env -> local_binder list -> (env * rel_context) * manual_implicits
(* Locating references of constructions, possibly via a syntactic definition *)
(* (these functions do not modify the glob file) *)
val is_global : identifier -> bool
val construct_reference : named_context -> identifier -> constr
val global_reference : identifier -> constr
val global_reference_in_absolute_module : dir_path -> identifier -> constr
(* Interprets a term as the left-hand side of a notation; the boolean
list is a set and this set is [true] for a variable occurring in
term position, [false] for a variable occurring in binding
position; [true;false] if in both kinds of position *)
val interp_aconstr : ?impls:internalization_env ->
(identifier * notation_var_internalization_type) list ->
(identifier * identifier) list -> constr_expr ->
(identifier * (subscopes * notation_var_internalization_type)) list * aconstr
(* Globalization leak for Grammar *)
val for_grammar : ('a -> 'b) -> 'a -> 'b
|
