diff options
Diffstat (limited to 'parsing/extend.mli')
| -rw-r--r-- | parsing/extend.mli | 55 |
1 files changed, 34 insertions, 21 deletions
diff --git a/parsing/extend.mli b/parsing/extend.mli index 80de7108..7643120f 100644 --- a/parsing/extend.mli +++ b/parsing/extend.mli @@ -6,45 +6,58 @@ (* * GNU Lesser General Public License Version 2.1 *) (************************************************************************) -(*i $Id: extend.mli 7761 2005-12-30 10:52:19Z herbelin $ i*) +(*i $Id$ i*) open Util (**********************************************************************) -(* constr entry keys *) +(* General entry keys *) + +(* This intermediate abstract representation of entries can *) +(* both be reified into mlexpr for the ML extensions and *) +(* dynamically interpreted as entries for the Coq level extensions *) + +type 'a prod_entry_key = + | Alist1 of 'a prod_entry_key + | Alist1sep of 'a prod_entry_key * string + | Alist0 of 'a prod_entry_key + | Alist0sep of 'a prod_entry_key * string + | Aopt of 'a prod_entry_key + | Amodifiers of 'a prod_entry_key + | Aself + | Anext + | Atactic of int + | Agram of 'a Gramext.g_entry + | Aentry of string * string + +(**********************************************************************) +(* Entry keys for constr notations *) type side = Left | Right type production_position = - | BorderProd of side * Gramext.g_assoc option (* true=left; false=right *) + | BorderProd of side * Gramext.g_assoc option | InternalProd type production_level = | NextLevel | NumLevel of int -type ('lev,'pos) constr_entry_key = - | ETIdent | ETReference | ETBigint +type ('lev,'pos) constr_entry_key_gen = + | ETName | ETReference | ETBigint | ETConstr of ('lev * 'pos) | ETPattern | ETOther of string * string | ETConstrList of ('lev * 'pos) * Token.pattern list -type constr_production_entry = - (production_level,production_position) constr_entry_key -type constr_entry = - (int,unit) constr_entry_key -type simple_constr_production_entry = - (production_level,unit) constr_entry_key - -(**********************************************************************) -(* syntax modifiers *) +(* Entries level (left-hand-side of grammar rules) *) +type constr_entry_key = + (int,unit) constr_entry_key_gen -type syntax_modifier = - | SetItemLevel of string list * production_level - | SetLevel of int - | SetAssoc of Gramext.g_assoc - | SetEntryType of string * simple_constr_production_entry - | SetOnlyParsing - | SetFormat of string located +(* Entries used in productions (in right-hand-side of grammar rules) *) +type constr_prod_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,unit) constr_entry_key_gen |