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Diffstat (limited to 'parsing/genarg.mli')
| -rw-r--r-- | parsing/genarg.mli | 208 |
1 files changed, 208 insertions, 0 deletions
diff --git a/parsing/genarg.mli b/parsing/genarg.mli new file mode 100644 index 000000000..70e67330e --- /dev/null +++ b/parsing/genarg.mli @@ -0,0 +1,208 @@ +(***********************************************************************) +(* v * The Coq Proof Assistant / The Coq Development Team *) +(* <O___,, * INRIA-Rocquencourt & LRI-CNRS-Orsay *) +(* \VV/ *************************************************************) +(* // * This file is distributed under the terms of the *) +(* * GNU Lesser General Public License Version 2.1 *) +(***********************************************************************) + +(* $Id$ *) + +open Util +open Names +open Term +open Nametab +open Rawterm + +type 'a or_var = ArgArg of 'a | ArgVar of loc * identifier + +type constr_ast = Coqast.t + +type open_constr = Evd.evar_map * Term.constr +type open_rawconstr = constr_ast + + +(* The route of a generic argument, from parsing to evaluation + + parsing in_raw out_raw + char stream ----> rawtype ----> rawconstr generic_argument ----> + | + | interp + V + type <---- constr generic_argument <---- + out in + +To distinguish between the uninterpreted (raw) and the interpreted +worlds, we annotate the type generic_argument by a phantom argument +which is either constr_ast or constr (actually we add also a second +argument raw_tactic_expr and tactic, but this is only for technical +reasons, because these types are undefined at the type of compilation +of Genarg). + +Transformation for each type : +tag f raw open type cooked closed type + +BoolArgType bool bool +IntArgType int int +IntOrVarArgType int or_var int +StringArgType string (parsed w/ "") string +IdentArgType identifier identifier +PreIdentArgType string (parsed w/o "") string +QualidArgType qualid located global_reference +ConstrArgType constr_ast constr +ConstrMayEvalArgType constr_ast may_eval constr +QuantHypArgType quantified_hypothesis quantified_hypothesis +TacticArgType raw_tactic_expr tactic +CastedOpenConstrArgType constr_ast open_constr +ConstrWithBindingsArgType constr_ast with_bindings constr with_bindings +List0ArgType of argument_type +List1ArgType of argument_type +OptArgType of argument_type +ExtraArgType of string '_a '_b +*) + +type ('a,'co,'ta) abstract_argument_type + +val rawwit_bool : (bool,'co,'ta) abstract_argument_type +val wit_bool : (bool,'co,'ta) abstract_argument_type + +val rawwit_int : (int,'co,'ta) abstract_argument_type +val wit_int : (int,'co,'ta) abstract_argument_type + +val rawwit_int_or_var : (int or_var,'co,'ta) abstract_argument_type +val wit_int_or_var : (int or_var,'co,'ta) abstract_argument_type + +val rawwit_string : (string,'co,'ta) abstract_argument_type +val wit_string : (string,'co,'ta) abstract_argument_type + +val rawwit_ident : (identifier,'co,'ta) abstract_argument_type +val wit_ident : (identifier,'co,'ta) abstract_argument_type + +val rawwit_pre_ident : (string,'co,'ta) abstract_argument_type +val wit_pre_ident : (string,'co,'ta) abstract_argument_type + +val rawwit_qualid : (qualid located,constr_ast,'ta) abstract_argument_type +val wit_qualid : (Nametab.global_reference,constr,'ta) abstract_argument_type + +val rawwit_quant_hyp : (quantified_hypothesis,'co,'ta) abstract_argument_type +val wit_quant_hyp : (quantified_hypothesis,'co,'ta) abstract_argument_type + +val rawwit_constr : (constr_ast,constr_ast,'ta) abstract_argument_type +val wit_constr : (constr,constr,'ta) abstract_argument_type + +val rawwit_constr_may_eval : (constr_ast may_eval,constr_ast,'ta) abstract_argument_type +val wit_constr_may_eval : (constr,constr,'ta) abstract_argument_type + +val rawwit_casted_open_constr : (open_rawconstr,constr_ast,'ta) abstract_argument_type +val wit_casted_open_constr : (open_constr,constr,'ta) abstract_argument_type + +val rawwit_constr_with_bindings : (constr_ast with_bindings,constr_ast,'ta) abstract_argument_type +val wit_constr_with_bindings : (constr with_bindings,constr,'ta) abstract_argument_type + +val rawwit_red_expr : ((constr_ast,Nametab.qualid or_metanum) red_expr_gen,constr_ast,'ta) abstract_argument_type +val wit_red_expr : ((constr,Closure.evaluable_global_reference) red_expr_gen,constr,'ta) abstract_argument_type + +(* TODO: transformer tactic en extra arg *) +val rawwit_tactic : ('ta,constr_ast,'ta) abstract_argument_type +val wit_tactic : ('ta,constr,'ta) abstract_argument_type + +val wit_list0 : + ('a,'co,'ta) abstract_argument_type -> ('a list,'co,'ta) abstract_argument_type + +val wit_list1 : + ('a,'co,'ta) abstract_argument_type -> ('a list,'co,'ta) abstract_argument_type + +val wit_opt : + ('a,'co,'ta) abstract_argument_type -> ('a option,'co,'ta) abstract_argument_type + +val wit_pair : + ('a,'co,'ta) abstract_argument_type -> + ('b,'co,'ta) abstract_argument_type -> + ('a * 'b,'co,'ta) abstract_argument_type + +(* 'a generic_argument = (Sigma t:type. t[constr/'a]) *) +type ('a,'b) generic_argument + +val fold_list0 : + (('a,'b) generic_argument -> 'c -> 'c) -> ('a,'b) generic_argument -> 'c -> 'c + +val fold_list1 : + (('a,'b) generic_argument -> 'c -> 'c) -> ('a,'b) generic_argument -> 'c -> 'c + +val fold_opt : + (('a,'b) generic_argument -> 'c) -> 'c -> ('a,'b) generic_argument -> 'c + +val fold_pair : + (('a,'b) generic_argument -> ('a,'b) generic_argument -> 'c) -> + ('a,'b) generic_argument -> 'c + +(* [app_list0] fails if applied to an argument not of tag [List0 t] + for some [t]; it's the responsability of the caller to ensure it *) + +val app_list0 : (('a,'b) generic_argument -> ('c,'d) generic_argument) -> +('a,'b) generic_argument -> ('c,'d) generic_argument + +val app_list1 : (('a,'b) generic_argument -> ('c,'d) generic_argument) -> +('a,'b) generic_argument -> ('c,'d) generic_argument + +val app_opt : (('a,'b) generic_argument -> ('c,'d) generic_argument) -> +('a,'b) generic_argument -> ('c,'d) generic_argument + +val app_pair : + (('a,'b) generic_argument -> ('c,'d) generic_argument) -> + (('a,'b) generic_argument -> ('c,'d) generic_argument) + -> ('a,'b) generic_argument -> ('c,'d) generic_argument + +(* Manque l'ordre supérieur, on aimerait ('co,'ta) 'a; manque aussi le + polymorphism, on aimerait que 'b et 'c restent polymorphes à l'appel + de create *) +val create_arg : string -> + ('rawa,'rawco,'rawta) abstract_argument_type + * ('a,'co,'ta) abstract_argument_type + +val exists_argtype : string -> bool + +type argument_type = + | BoolArgType + | IntArgType + | IntOrVarArgType + | StringArgType + | PreIdentArgType + | IdentArgType + | QualidArgType + | ConstrArgType + | ConstrMayEvalArgType + | QuantHypArgType + | TacticArgType + | CastedOpenConstrArgType + | ConstrWithBindingsArgType + | RedExprArgType + | List0ArgType of argument_type + | List1ArgType of argument_type + | OptArgType of argument_type + | PairArgType of argument_type * argument_type + | ExtraArgType of string + +val genarg_tag : ('a,'b) generic_argument -> argument_type + +val unquote : ('a,'co,'ta) abstract_argument_type -> argument_type + +(* We'd like + + [in_generic: !b:type, !a:argument_type -> (f a) -> b generic_argument] + + with f a = b if a is Constr, f a = c if a is Tactic, otherwise f a = |a| + + in_generic is not typable; we replace the second argument by an absurd + type (with no introduction rule) +*) +type an_arg_of_this_type + +val in_generic : + argument_type -> an_arg_of_this_type -> ('a,'b) generic_argument + +val in_gen : + ('a,'co,'ta) abstract_argument_type -> 'a -> ('co,'ta) generic_argument +val out_gen : + ('a,'co,'ta) abstract_argument_type -> ('co,'ta) generic_argument -> 'a + |