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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 *)
(************************************************************************)
open Names
open Constrexpr
open Notation_term
open Pcoq
open Extend
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;
notgram_typs : notation_var_internalization_type list;
}
(** {5 Extending the parser with Summary-synchronized commands} *)
type 'a grammar_command
(** Type of synchronized parsing extensions. The ['a] type should be
marshallable. *)
val create_grammar_command : string -> ('a -> int) -> 'a grammar_command
(** Create a new grammar-modifying command with the given name. The function
should modify the parser state and return the number of grammar extensions
performed. *)
val extend_grammar : 'a grammar_command -> 'a -> unit
(** Extend the grammar of Coq with the given data. *)
(** {5 Adding notations} *)
val extend_constr_grammar : Notation.level -> notation_grammar -> unit
(** Add a term notation rule to the parsing system. *)
val recover_constr_grammar : notation -> Notation.level -> notation_grammar
(** For a declared grammar, returns the rule + the ordered entry types
of variables in the rule (for use in the interpretation) *)
val with_grammar_rule_protection : ('a -> 'b) -> 'a -> 'b
|
