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|
(************************************************************************)
(* v * The Coq Proof Assistant / The Coq Development Team *)
(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016 *)
(* \VV/ **************************************************************)
(* // * This file is distributed under the terms of the *)
(* * GNU Lesser General Public License Version 2.1 *)
(************************************************************************)
(** This module implements pretty-printers for constr_expr syntactic
objects and their subcomponents. *)
(** The default pretty-printers produce {!Pp.std_ppcmds} that are
interpreted as raw strings. *)
open Loc
open Pp
open Libnames
open Constrexpr
open Names
open Misctypes
val extract_lam_binders :
constr_expr -> local_binder_expr list * constr_expr
val extract_prod_binders :
constr_expr -> local_binder_expr list * constr_expr
val split_fix :
int -> constr_expr -> constr_expr ->
local_binder_expr list * constr_expr * constr_expr
val prec_less : int -> int * Ppextend.parenRelation -> bool
val pr_tight_coma : unit -> std_ppcmds
val pr_or_var : ('a -> std_ppcmds) -> 'a or_var -> std_ppcmds
val pr_lident : Id.t located -> std_ppcmds
val pr_lname : Name.t located -> std_ppcmds
val pr_with_comments : ?loc:Loc.t -> std_ppcmds -> std_ppcmds
val pr_com_at : int -> std_ppcmds
val pr_sep_com :
(unit -> std_ppcmds) ->
(constr_expr -> std_ppcmds) ->
constr_expr -> std_ppcmds
val pr_id : Id.t -> std_ppcmds
val pr_name : Name.t -> std_ppcmds
val pr_qualid : qualid -> std_ppcmds
val pr_patvar : patvar -> std_ppcmds
val pr_glob_level : glob_level -> std_ppcmds
val pr_glob_sort : glob_sort -> std_ppcmds
val pr_guard_annot : (constr_expr -> std_ppcmds) ->
local_binder_expr list ->
('a * Names.Id.t) option * recursion_order_expr ->
std_ppcmds
val pr_record_body : (reference * constr_expr) list -> std_ppcmds
val pr_binders : local_binder_expr list -> std_ppcmds
val pr_constr_pattern_expr : constr_pattern_expr -> std_ppcmds
val pr_lconstr_pattern_expr : constr_pattern_expr -> std_ppcmds
val pr_constr_expr : constr_expr -> std_ppcmds
val pr_lconstr_expr : constr_expr -> std_ppcmds
val pr_cases_pattern_expr : cases_pattern_expr -> std_ppcmds
type term_pr = {
pr_constr_expr : constr_expr -> std_ppcmds;
pr_lconstr_expr : constr_expr -> std_ppcmds;
pr_constr_pattern_expr : constr_pattern_expr -> std_ppcmds;
pr_lconstr_pattern_expr : constr_pattern_expr -> std_ppcmds
}
val set_term_pr : term_pr -> unit
val default_term_pr : term_pr
(* The modular constr printer.
[modular_constr_pr pr s p t] prints the head of the term [t] and calls
[pr] on its subterms.
[s] is typically {!Pp.mt} and [p] is [lsimpleconstr] for "constr" printers
and [ltop] for "lconstr" printers (spiwack: we might need more
specification here).
We can make a new modular constr printer by overriding certain branches,
for instance if we want to build a printer which prints "Prop" as "Omega"
instead we can proceed as follows:
let my_modular_constr_pr pr s p = function
| CSort (_,GProp Null) -> str "Omega"
| t -> modular_constr_pr pr s p t
Which has the same type. We can turn a modular printer into a printer by
taking its fixpoint. *)
type precedence
val lsimpleconstr : precedence
val ltop : precedence
val modular_constr_pr :
((unit->std_ppcmds) -> precedence -> constr_expr -> std_ppcmds) ->
(unit->std_ppcmds) -> precedence -> constr_expr -> std_ppcmds
|
