diff options
Diffstat (limited to 'grammar/q_util.ml4')
-rw-r--r-- | grammar/q_util.ml4 | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/grammar/q_util.ml4 b/grammar/q_util.ml4 new file mode 100644 index 00000000..18b1ccd3 --- /dev/null +++ b/grammar/q_util.ml4 @@ -0,0 +1,64 @@ +(************************************************************************) +(* 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 Compat + +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 rec mlexpr_of_prod_entry_key = function + | Pcoq.Alist1 s -> <:expr< Pcoq.Alist1 $mlexpr_of_prod_entry_key s$ >> + | Pcoq.Alist1sep (s,sep) -> <:expr< Pcoq.Alist1sep $mlexpr_of_prod_entry_key s$ $str:sep$ >> + | Pcoq.Alist0 s -> <:expr< Pcoq.Alist0 $mlexpr_of_prod_entry_key s$ >> + | Pcoq.Alist0sep (s,sep) -> <:expr< Pcoq.Alist0sep $mlexpr_of_prod_entry_key s$ $str:sep$ >> + | Pcoq.Aopt s -> <:expr< Pcoq.Aopt $mlexpr_of_prod_entry_key s$ >> + | Pcoq.Amodifiers s -> <:expr< Pcoq.Amodifiers $mlexpr_of_prod_entry_key s$ >> + | Pcoq.Aself -> <:expr< Pcoq.Aself >> + | Pcoq.Anext -> <:expr< Pcoq.Anext >> + | Pcoq.Atactic n -> <:expr< Pcoq.Atactic $mlexpr_of_int n$ >> + | Pcoq.Agram s -> Errors.anomaly (Pp.str "Agram not supported") + | Pcoq.Aentry ("",s) -> <:expr< Pcoq.Agram (Pcoq.Gram.Entry.name $lid:s$) >> + | Pcoq.Aentry (u,s) -> <:expr< Pcoq.Aentry $str:u$ $str:s$ >> |