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|
(************************************************************************)
(* v * The Coq Proof Assistant / The Coq Development Team *)
(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2015 *)
(* \VV/ **************************************************************)
(* // * This file is distributed under the terms of the *)
(* * GNU Lesser General Public License Version 2.1 *)
(************************************************************************)
(* This file defines standard combinators to build ml expressions *)
open Extend
open Compat
type extend_token =
| ExtTerminal of string
| ExtNonTerminal of Genarg.argument_type * Extend.user_symbol * Names.Id.t
let mlexpr_of_list f l =
List.fold_right
(fun e1 e2 ->
let e1 = f e1 in
let loc = CompatLoc.merge (MLast.loc_of_expr e1) (MLast.loc_of_expr e2) in
<:expr< [$e1$ :: $e2$] >>)
l (let loc = CompatLoc.ghost in <:expr< [] >>)
let mlexpr_of_pair m1 m2 (a1,a2) =
let e1 = m1 a1 and e2 = m2 a2 in
let loc = CompatLoc.merge (MLast.loc_of_expr e1) (MLast.loc_of_expr e2) in
<:expr< ($e1$, $e2$) >>
let mlexpr_of_triple m1 m2 m3 (a1,a2,a3)=
let e1 = m1 a1 and e2 = m2 a2 and e3 = m3 a3 in
let loc = CompatLoc.merge (MLast.loc_of_expr e1) (MLast.loc_of_expr e3) in
<:expr< ($e1$, $e2$, $e3$) >>
let mlexpr_of_quadruple m1 m2 m3 m4 (a1,a2,a3,a4)=
let e1 = m1 a1 and e2 = m2 a2 and e3 = m3 a3 and e4 = m4 a4 in
let loc = CompatLoc.merge (MLast.loc_of_expr e1) (MLast.loc_of_expr e4) in
<:expr< ($e1$, $e2$, $e3$, $e4$) >>
(* We don't give location for tactic quotation! *)
let loc = CompatLoc.ghost
let mlexpr_of_bool = function
| true -> <:expr< True >>
| false -> <:expr< False >>
let mlexpr_of_int n = <:expr< $int:string_of_int n$ >>
let mlexpr_of_string s = <:expr< $str:s$ >>
let mlexpr_of_option f = function
| None -> <:expr< None >>
| Some e -> <:expr< Some $f e$ >>
let mlexpr_of_token = function
| Tok.KEYWORD s -> <:expr< Tok.KEYWORD $mlexpr_of_string s$ >>
| Tok.METAIDENT s -> <:expr< Tok.METAIDENT $mlexpr_of_string s$ >>
| Tok.PATTERNIDENT s -> <:expr< Tok.PATTERNIDENT $mlexpr_of_string s$ >>
| Tok.IDENT s -> <:expr< Tok.IDENT $mlexpr_of_string s$ >>
| Tok.FIELD s -> <:expr< Tok.FIELD $mlexpr_of_string s$ >>
| Tok.INT s -> <:expr< Tok.INT $mlexpr_of_string s$ >>
| Tok.INDEX s -> <:expr< Tok.INDEX $mlexpr_of_string s$ >>
| Tok.STRING s -> <:expr< Tok.STRING $mlexpr_of_string s$ >>
| Tok.LEFTQMARK -> <:expr< Tok.LEFTQMARK >>
| Tok.BULLET s -> <:expr< Tok.BULLET $mlexpr_of_string s$ >>
| Tok.EOI -> <:expr< Tok.EOI >>
let repr_entry e =
let entry u =
let _ = Pcoq.get_entry u e in
Some (Entry.univ_name u, e)
in
try entry Pcoq.uprim with Not_found ->
try entry Pcoq.uconstr with Not_found ->
try entry Pcoq.utactic with Not_found -> None
let rec mlexpr_of_prod_entry_key = function
| Extend.Ulist1 s -> <:expr< Pcoq.Alist1 $mlexpr_of_prod_entry_key s$ >>
| Extend.Ulist1sep (s,sep) -> <:expr< Pcoq.Alist1sep $mlexpr_of_prod_entry_key s$ $str:sep$ >>
| Extend.Ulist0 s -> <:expr< Pcoq.Alist0 $mlexpr_of_prod_entry_key s$ >>
| Extend.Ulist0sep (s,sep) -> <:expr< Pcoq.Alist0sep $mlexpr_of_prod_entry_key s$ $str:sep$ >>
| Extend.Uopt s -> <:expr< Pcoq.Aopt $mlexpr_of_prod_entry_key s$ >>
| Extend.Umodifiers s -> <:expr< Pcoq.Amodifiers $mlexpr_of_prod_entry_key s$ >>
| Extend.Uentry e ->
begin match repr_entry e with
| None -> <:expr< Pcoq.Aentry (Pcoq.name_of_entry $lid:e$) >>
| Some (u, s) -> <:expr< Pcoq.Aentry (Entry.unsafe_of_name ($str:u$, $str:s$)) >>
end
| Extend.Uentryl (e, l) ->
(** Keep in sync with Pcoq! *)
assert (CString.equal e "tactic");
if l = 5 then <:expr< Pcoq.Aentry (Pcoq.name_of_entry Pcoq.Tactic.binder_tactic) >>
else <:expr< Pcoq.Aentryl (Pcoq.name_of_entry Pcoq.Tactic.tactic_expr) $mlexpr_of_int l$ >>
let type_entry u e =
let Pcoq.TypedEntry (t, _) = Pcoq.get_entry u e in
Genarg.unquote t
let rec type_of_user_symbol = function
| Ulist1 s | Ulist1sep (s, _) | Ulist0 s | Ulist0sep (s, _) | Umodifiers s ->
Genarg.ListArgType (type_of_user_symbol s)
| Uopt s ->
Genarg.OptArgType (type_of_user_symbol s)
| Uentry e | Uentryl (e, _) ->
try type_entry Pcoq.uprim e with Not_found ->
try type_entry Pcoq.uconstr e with Not_found ->
try type_entry Pcoq.utactic e with Not_found ->
Genarg.ExtraArgType e
|
