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(************************************************************************) (* * The Coq Proof Assistant / The Coq Development Team *) (* v * INRIA, CNRS and contributors - Copyright 1999-2019 *) (* <O___,, * (see CREDITS file for the list of authors) *) (* \VV/ **************************************************************) (* // * This file is distributed under the terms of the *) (* * GNU Lesser General Public License Version 2.1 *) (* * (see LICENSE file for the text of the license) *) (************************************************************************) (** Entry keys for constr notations *) type 'a entry = 'a Gramlib.Grammar.GMake(CLexer.Lexer).Entry.e type side = Left | Right type production_position = | BorderProd of side * Gramlib.Gramext.g_assoc option | InternalProd type production_level = | NextLevel | NumLevel of int (** User-level types used to tell how to parse or interpret of the non-terminal *) type 'a constr_entry_key_gen = | ETIdent | ETGlobal | ETBigint | ETBinder of bool (* open list of binders if true, closed list of binders otherwise *) | ETConstr of Constrexpr.notation_entry * Notation_term.constr_as_binder_kind option * 'a | ETPattern of bool * int option (* true = strict pattern, i.e. not a single variable *) (** Entries level (left-hand side of grammar rules) *) type constr_entry_key = (production_level * production_position) constr_entry_key_gen (** Entries used in productions, vernac side (e.g. "x bigint" or "x ident") *) type simple_constr_prod_entry_key = production_level option constr_entry_key_gen (** Entries used in productions (in right-hand-side of grammar rules), to parse non-terminals *) type binder_entry_kind = ETBinderOpen | ETBinderClosed of string Tok.p list type binder_target = ForBinder | ForTerm type constr_prod_entry_key = | ETProdName (* Parsed as a name (ident or _) *) | ETProdReference (* Parsed as a global reference *) | ETProdBigint (* Parsed as an (unbounded) integer *) | ETProdConstr of Constrexpr.notation_entry * (production_level * production_position) (* Parsed as constr or pattern, or a subentry of those *) | ETProdPattern of int (* Parsed as pattern as a binder (as subpart of a constr) *) | ETProdConstrList of (production_level * production_position) * string Tok.p list (* Parsed as non-empty list of constr *) | ETProdBinderList of binder_entry_kind (* Parsed as non-empty list of local binders *) (** {5 AST for user-provided entries} *) type 'a user_symbol = | Ulist1 of 'a user_symbol | Ulist1sep of 'a user_symbol * string | Ulist0 of 'a user_symbol | Ulist0sep of 'a user_symbol * string | Uopt of 'a user_symbol | Uentry of 'a | Uentryl of 'a * int type ('a,'b,'c) ty_user_symbol = | TUlist1 : ('a,'b,'c) ty_user_symbol -> ('a list,'b list,'c list) ty_user_symbol | TUlist1sep : ('a,'b,'c) ty_user_symbol * string -> ('a list,'b list,'c list) ty_user_symbol | TUlist0 : ('a,'b,'c) ty_user_symbol -> ('a list,'b list,'c list) ty_user_symbol | TUlist0sep : ('a,'b,'c) ty_user_symbol * string -> ('a list,'b list,'c list) ty_user_symbol | TUopt : ('a,'b,'c) ty_user_symbol -> ('a option, 'b option, 'c option) ty_user_symbol | TUentry : ('a, 'b, 'c) Genarg.ArgT.tag -> ('a,'b,'c) ty_user_symbol | TUentryl : ('a, 'b, 'c) Genarg.ArgT.tag * int -> ('a,'b,'c) ty_user_symbol (** {5 Type-safe grammar extension} *) (* Should be merged with gramlib's implementation *) type norec = Gramlib.Grammar.ty_norec type mayrec = Gramlib.Grammar.ty_mayrec type ('self, 'trec, 'a) symbol = | Atoken : 'c Tok.p -> ('self, norec, 'c) symbol | Alist1 : ('self, 'trec, 'a) symbol -> ('self, 'trec, 'a list) symbol | Alist1sep : ('self, 'trec, 'a) symbol * ('self, norec, _) symbol -> ('self, 'trec, 'a list) symbol | Alist0 : ('self, 'trec, 'a) symbol -> ('self, 'trec, 'a list) symbol | Alist0sep : ('self, 'trec, 'a) symbol * ('self, norec, _) symbol -> ('self, 'trec, 'a list) symbol | Aopt : ('self, 'trec, 'a) symbol -> ('self, 'trec, 'a option) symbol | Aself : ('self, mayrec, 'self) symbol | Anext : ('self, mayrec, 'self) symbol | Aentry : 'a entry -> ('self, norec, 'a) symbol | Aentryl : 'a entry * string -> ('self, norec, 'a) symbol | Arules : 'a rules list -> ('self, norec, 'a) symbol and ('self, 'trec, _, 'r) rule = | Stop : ('self, norec, 'r, 'r) rule | Next : ('self, _, 'a, 'r) rule * ('self, _, 'b) symbol -> ('self, mayrec, 'b -> 'a, 'r) rule | NextNoRec : ('self, norec, 'a, 'r) rule * ('self, norec, 'b) symbol -> ('self, norec, 'b -> 'a, 'r) rule and 'a rules = | Rules : (_, norec, 'act, Loc.t -> 'a) rule * 'act -> 'a rules type 'a production_rule = | Rule : ('a, _, 'act, Loc.t -> 'a) rule * 'act -> 'a production_rule