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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 camlp4use: "pa_extend.cmo q_MLast.cmo" i*)
(* $Id: argextend.ml4 13323 2010-07-24 15:57:30Z herbelin $ *)
open Genarg
open Q_util
open Q_coqast
open Egrammar
let join_loc = Util.join_loc
let loc = Util.dummy_loc
let default_loc = <:expr< Util.dummy_loc >>
let rec make_rawwit loc = function
| BoolArgType -> <:expr< Genarg.rawwit_bool >>
| IntArgType -> <:expr< Genarg.rawwit_int >>
| IntOrVarArgType -> <:expr< Genarg.rawwit_int_or_var >>
| StringArgType -> <:expr< Genarg.rawwit_string >>
| PreIdentArgType -> <:expr< Genarg.rawwit_pre_ident >>
| IntroPatternArgType -> <:expr< Genarg.rawwit_intro_pattern >>
| IdentArgType b -> <:expr< Genarg.rawwit_ident_gen $mlexpr_of_bool b$ >>
| VarArgType -> <:expr< Genarg.rawwit_var >>
| RefArgType -> <:expr< Genarg.rawwit_ref >>
| SortArgType -> <:expr< Genarg.rawwit_sort >>
| ConstrArgType -> <:expr< Genarg.rawwit_constr >>
| ConstrMayEvalArgType -> <:expr< Genarg.rawwit_constr_may_eval >>
| QuantHypArgType -> <:expr< Genarg.rawwit_quant_hyp >>
| RedExprArgType -> <:expr< Genarg.rawwit_red_expr >>
| OpenConstrArgType b -> <:expr< Genarg.rawwit_open_constr_gen $mlexpr_of_bool b$ >>
| ConstrWithBindingsArgType -> <:expr< Genarg.rawwit_constr_with_bindings >>
| BindingsArgType -> <:expr< Genarg.rawwit_bindings >>
| List0ArgType t -> <:expr< Genarg.wit_list0 $make_rawwit loc t$ >>
| List1ArgType t -> <:expr< Genarg.wit_list1 $make_rawwit loc t$ >>
| OptArgType t -> <:expr< Genarg.wit_opt $make_rawwit loc t$ >>
| PairArgType (t1,t2) ->
<:expr< Genarg.wit_pair $make_rawwit loc t1$ $make_rawwit loc t2$ >>
| ExtraArgType s -> <:expr< $lid:"rawwit_"^s$ >>
let rec make_globwit loc = function
| BoolArgType -> <:expr< Genarg.globwit_bool >>
| IntArgType -> <:expr< Genarg.globwit_int >>
| IntOrVarArgType -> <:expr< Genarg.globwit_int_or_var >>
| StringArgType -> <:expr< Genarg.globwit_string >>
| PreIdentArgType -> <:expr< Genarg.globwit_pre_ident >>
| IntroPatternArgType -> <:expr< Genarg.globwit_intro_pattern >>
| IdentArgType b -> <:expr< Genarg.globwit_ident_gen $mlexpr_of_bool b$ >>
| VarArgType -> <:expr< Genarg.globwit_var >>
| RefArgType -> <:expr< Genarg.globwit_ref >>
| QuantHypArgType -> <:expr< Genarg.globwit_quant_hyp >>
| SortArgType -> <:expr< Genarg.globwit_sort >>
| ConstrArgType -> <:expr< Genarg.globwit_constr >>
| ConstrMayEvalArgType -> <:expr< Genarg.globwit_constr_may_eval >>
| RedExprArgType -> <:expr< Genarg.globwit_red_expr >>
| OpenConstrArgType b -> <:expr< Genarg.globwit_open_constr_gen $mlexpr_of_bool b$ >>
| ConstrWithBindingsArgType -> <:expr< Genarg.globwit_constr_with_bindings >>
| BindingsArgType -> <:expr< Genarg.globwit_bindings >>
| List0ArgType t -> <:expr< Genarg.wit_list0 $make_globwit loc t$ >>
| List1ArgType t -> <:expr< Genarg.wit_list1 $make_globwit loc t$ >>
| OptArgType t -> <:expr< Genarg.wit_opt $make_globwit loc t$ >>
| PairArgType (t1,t2) ->
<:expr< Genarg.wit_pair $make_globwit loc t1$ $make_globwit loc t2$ >>
| ExtraArgType s -> <:expr< $lid:"globwit_"^s$ >>
let rec make_wit loc = function
| BoolArgType -> <:expr< Genarg.wit_bool >>
| IntArgType -> <:expr< Genarg.wit_int >>
| IntOrVarArgType -> <:expr< Genarg.wit_int_or_var >>
| StringArgType -> <:expr< Genarg.wit_string >>
| PreIdentArgType -> <:expr< Genarg.wit_pre_ident >>
| IntroPatternArgType -> <:expr< Genarg.wit_intro_pattern >>
| IdentArgType b -> <:expr< Genarg.wit_ident_gen $mlexpr_of_bool b$ >>
| VarArgType -> <:expr< Genarg.wit_var >>
| RefArgType -> <:expr< Genarg.wit_ref >>
| QuantHypArgType -> <:expr< Genarg.wit_quant_hyp >>
| SortArgType -> <:expr< Genarg.wit_sort >>
| ConstrArgType -> <:expr< Genarg.wit_constr >>
| ConstrMayEvalArgType -> <:expr< Genarg.wit_constr_may_eval >>
| RedExprArgType -> <:expr< Genarg.wit_red_expr >>
| OpenConstrArgType b -> <:expr< Genarg.wit_open_constr_gen $mlexpr_of_bool b$ >>
| ConstrWithBindingsArgType -> <:expr< Genarg.wit_constr_with_bindings >>
| BindingsArgType -> <:expr< Genarg.wit_bindings >>
| List0ArgType t -> <:expr< Genarg.wit_list0 $make_wit loc t$ >>
| List1ArgType t -> <:expr< Genarg.wit_list1 $make_wit loc t$ >>
| OptArgType t -> <:expr< Genarg.wit_opt $make_wit loc t$ >>
| PairArgType (t1,t2) ->
<:expr< Genarg.wit_pair $make_wit loc t1$ $make_wit loc t2$ >>
| ExtraArgType s -> <:expr< $lid:"wit_"^s$ >>
let make_act loc act pil =
let rec make = function
| [] -> <:expr< Gramext.action (fun loc -> ($act$ : 'a)) >>
| GramNonTerminal (_,t,_,Some p) :: tl ->
let p = Names.string_of_id p in
<:expr<
Gramext.action
(fun $lid:p$ ->
let _ = Genarg.in_gen $make_rawwit loc t$ $lid:p$ in $make tl$)
>>
| (GramTerminal _ | GramNonTerminal (_,_,_,None)) :: tl ->
<:expr< Gramext.action (fun _ -> $make tl$) >> in
make (List.rev pil)
let make_prod_item = function
| GramTerminal s -> <:expr< (Gramext.Stoken (Lexer.terminal $str:s$)) >>
| GramNonTerminal (_,_,g,_) ->
<:expr< Pcoq.symbol_of_prod_entry_key $mlexpr_of_prod_entry_key g$ >>
let make_rule loc (prods,act) =
<:expr< ($mlexpr_of_list make_prod_item prods$,$make_act loc act prods$) >>
let declare_tactic_argument loc s typ pr f g h rawtyppr globtyppr cl =
let rawtyp, rawpr = match rawtyppr with
| None -> typ,pr
| Some (t,p) -> t,p in
let globtyp, globpr = match globtyppr with
| None -> typ,pr
| Some (t,p) -> t,p in
let glob = match g with
| None ->
<:expr< fun e x ->
out_gen $make_globwit loc typ$
(Tacinterp.intern_genarg e
(Genarg.in_gen $make_rawwit loc rawtyp$ x)) >>
| Some f -> <:expr< $lid:f$>> in
let interp = match f with
| None ->
<:expr< fun ist gl x ->
out_gen $make_wit loc typ$
(Tacinterp.interp_genarg ist gl
(Genarg.in_gen $make_globwit loc globtyp$ x)) >>
| Some f -> <:expr< $lid:f$>> in
let substitute = match h with
| None ->
<:expr< fun s x ->
out_gen $make_globwit loc globtyp$
(Tacinterp.subst_genarg s
(Genarg.in_gen $make_globwit loc globtyp$ x)) >>
| Some f -> <:expr< $lid:f$>> in
let se = mlexpr_of_string s in
let wit = <:expr< $lid:"wit_"^s$ >> in
let rawwit = <:expr< $lid:"rawwit_"^s$ >> in
let globwit = <:expr< $lid:"globwit_"^s$ >> in
let rules = mlexpr_of_list (make_rule loc) (List.rev cl) in
<:str_item<
declare
open Pcoq;
open Extrawit;
value ($lid:"wit_"^s$, $lid:"globwit_"^s$, $lid:"rawwit_"^s$) =
Genarg.create_arg $se$;
value $lid:s$ = Pcoq.create_generic_entry $se$ $rawwit$;
Tacinterp.add_interp_genarg $se$
((fun e x ->
(Genarg.in_gen $globwit$ ($glob$ e (out_gen $rawwit$ x)))),
(fun ist gl x ->
(Genarg.in_gen $wit$ ($interp$ ist gl (out_gen $globwit$ x)))),
(fun subst x ->
(Genarg.in_gen $globwit$ ($substitute$ subst (out_gen $globwit$ x)))));
Pcoq.Gram.extend ($lid:s$ : Pcoq.Gram.Entry.e 'a) None
[(None, None, $rules$)];
Pptactic.declare_extra_genarg_pprule
($rawwit$, $lid:rawpr$)
($globwit$, $lid:globpr$)
($wit$, $lid:pr$);
end
>>
let declare_vernac_argument loc s pr cl =
let se = mlexpr_of_string s in
let wit = <:expr< $lid:"wit_"^s$ >> in
let rawwit = <:expr< $lid:"rawwit_"^s$ >> in
let globwit = <:expr< $lid:"globwit_"^s$ >> in
let rules = mlexpr_of_list (make_rule loc) (List.rev cl) in
let pr_rules = match pr with
| None -> <:expr< fun _ _ _ _ -> str $str:"[No printer for "^s^"]"$ >>
| Some pr -> <:expr< fun _ _ _ -> $lid:pr$ >> in
<:str_item<
declare
open Pcoq;
open Extrawit;
value (($lid:"wit_"^s$:Genarg.abstract_argument_type unit Genarg.tlevel),
($lid:"globwit_"^s$:Genarg.abstract_argument_type unit Genarg.glevel),
$lid:"rawwit_"^s$) = Genarg.create_arg $se$;
value $lid:s$ = Pcoq.create_generic_entry $se$ $rawwit$;
Pcoq.Gram.extend ($lid:s$ : Pcoq.Gram.Entry.e 'a) None
[(None, None, $rules$)];
Pptactic.declare_extra_genarg_pprule
($rawwit$, $pr_rules$)
($globwit$, fun _ _ _ _ -> Util.anomaly "vernac argument needs not globwit printer")
($wit$, fun _ _ _ _ -> Util.anomaly "vernac argument needs not wit printer");
end
>>
open Vernacexpr
open Pcoq
open Pcaml
EXTEND
GLOBAL: str_item;
str_item:
[ [ "ARGUMENT"; "EXTEND"; s = [ UIDENT | LIDENT ];
"TYPED"; "AS"; typ = argtype;
"PRINTED"; "BY"; pr = LIDENT;
f = OPT [ "INTERPRETED"; "BY"; f = LIDENT -> f ];
g = OPT [ "GLOBALIZED"; "BY"; f = LIDENT -> f ];
h = OPT [ "SUBSTITUTED"; "BY"; f = LIDENT -> f ];
rawtyppr =
(* Necessary if the globalized type is different from the final type *)
OPT [ "RAW_TYPED"; "AS"; t = argtype;
"RAW_PRINTED"; "BY"; pr = LIDENT -> (t,pr) ];
globtyppr =
OPT [ "GLOB_TYPED"; "AS"; t = argtype;
"GLOB_PRINTED"; "BY"; pr = LIDENT -> (t,pr) ];
OPT "|"; l = LIST1 argrule SEP "|";
"END" ->
if String.capitalize s = s then
failwith "Argument entry names must be lowercase";
declare_tactic_argument loc s typ pr f g h rawtyppr globtyppr l
| "VERNAC"; "ARGUMENT"; "EXTEND"; s = [ UIDENT | LIDENT ];
pr = OPT ["PRINTED"; "BY"; pr = LIDENT -> pr];
OPT "|"; l = LIST1 argrule SEP "|";
"END" ->
if String.capitalize s = s then
failwith "Argument entry names must be lowercase";
declare_vernac_argument loc s pr l ] ]
;
argtype:
[ "2"
[ e1 = argtype; "*"; e2 = argtype -> PairArgType (e1, e2) ]
| "1"
[ e = argtype; LIDENT "list" -> List0ArgType e
| e = argtype; LIDENT "option" -> OptArgType e ]
| "0"
[ e = LIDENT -> fst (interp_entry_name false None e "")
| "("; e = argtype; ")" -> e ] ]
;
argrule:
[ [ "["; l = LIST0 genarg; "]"; "->"; "["; e = Pcaml.expr; "]" -> (l,e) ] ]
;
genarg:
[ [ e = LIDENT; "("; s = LIDENT; ")" ->
let t, g = interp_entry_name false None e "" in
GramNonTerminal (loc, t, g, Some (Names.id_of_string s))
| e = LIDENT; "("; s = LIDENT; ","; sep = STRING; ")" ->
let t, g = interp_entry_name false None e sep in
GramNonTerminal (loc, t, g, Some (Names.id_of_string s))
| s = STRING ->
if String.length s > 0 && Util.is_letter s.[0] then
Lexer.add_token ("", s);
GramTerminal s
] ]
;
END
|
