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|
(************************************************************************)
(* v * The Coq Proof Assistant / The Coq Development Team *)
(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2012 *)
(* \VV/ **************************************************************)
(* // * This file is distributed under the terms of the *)
(* * GNU Lesser General Public License Version 2.1 *)
(************************************************************************)
open Compat
open Pp
open Names
open Constrexpr
open Notation_term
open Pcoq
open Extend
open Vernacexpr
open Ppextend
open Genarg
open Egramml
(** Mapping of grammar productions to camlp4 actions *)
(** This is the part specific to Coq-level Notation and Tactic Notation.
For the ML-level tactic and vernac extensions, see Egramml. *)
(** For constr notations *)
type grammar_constr_prod_item =
| GramConstrTerminal of Tok.t
| GramConstrNonTerminal of constr_prod_entry_key * Id.t option
| GramConstrListMark of int * bool
(* tells action rule to make a list of the n previous parsed items;
concat with last parsed list if true *)
type notation_grammar = {
notgram_level : int;
notgram_assoc : gram_assoc option;
notgram_notation : notation;
notgram_prods : grammar_constr_prod_item list list
}
type tactic_grammar = {
tacgram_key : string;
tacgram_level : int;
tacgram_prods : grammar_prod_item list;
tacgram_tactic : Dir_path.t * Tacexpr.glob_tactic_expr;
}
(** Adding notations *)
type all_grammar_command =
| Notation of
(precedence * tolerability list)
* notation_var_internalization_type list
(** not needed for defining grammar, hosted by egrammar for
transmission to interp_aconstr (via recover_notation_grammar) *)
* notation_grammar
| TacticGrammar of tactic_grammar
val extend_grammar : all_grammar_command -> unit
(** For a declared grammar, returns the rule + the ordered entry types
of variables in the rule (for use in the interpretation) *)
val recover_notation_grammar :
notation -> (precedence * tolerability list) ->
notation_var_internalization_type list * notation_grammar
val with_grammar_rule_protection : ('a -> 'b) -> 'a -> 'b
|
