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yap-6.3/pl/load_foreign.yap

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/*************************************************************************
* *
* YAP Prolog *
* *
* Yap Prolog was developed at NCCUP - Universidade do Porto *
* *
* Copyright L.Damas, V.S.Costa and Universidade do Porto 1985-1997 *
* *
**************************************************************************
* *
* File: load_foreign.yap *
* Last rev: 8/2/88 *
* mods: *
* comments: Utility predicates for load_foreign *
* *
*************************************************************************/
load_foreign_files(Objs,Libs,Entry) :-
'$check_objs_for_load_foreign_files'(Objs,NewObjs,load_foreign_files(Objs,Libs,Entry)),
'$check_libs_for_load_foreign_files'(Libs,load_foreign_files(Objs,Libs,Entry)),
'$check_entry_for_load_foreign_files'(Entry,load_foreign_files(Objs,Libs,Entry)),
'$load_foreign_files'(NewObjs,Libs,Entry).
'$check_objs_for_load_foreign_files'(V,_,G) :- var(V), !,
throw(error(instantiation_error,G)).
'$check_objs_for_load_foreign_files'([],[],_) :- !.
'$check_objs_for_load_foreign_files'([Obj|Objs],[NObj|NewObjs],G) :- !,
'$check_obj_for_load_foreign_files'(Obj,NObj,G),
'$check_objs_for_load_foreign_files'(Objs,NewObjs,G).
'$check_objs_for_load_foreign_files'(Objs,_,G) :-
throw(error(type_error(list,Objs),G)).
'$check_obj_for_load_foreign_files'(V,_,G) :- var(V), !,
throw(error(instantiation_error,G)).
'$check_obj_for_load_foreign_files'(Obj,NewObj,_) :- atom(Obj), !,
atom_codes(Obj,ObjCodes),
'$process_obj_suffix'(ObjCodes,NewObjCodes),
atom_codes(NewObj,NewObjCodes).
'$check_obj_for_load_foreign_files'(Obj,_,G) :-
throw(error(type_error(atom,Obj),G)).
'$check_libs_for_load_foreign_files'(V,G) :- var(V), !,
throw(error(instantiation_error,G)).
'$check_libs_for_load_foreign_files'([],_) :- !.
'$check_libs_for_load_foreign_files'([Lib|Libs],G) :- !,
'$check_lib_for_load_foreign_files'(Lib,G),
'$check_libs_for_load_foreign_files'(Libs,G).
'$check_libs_for_load_foreign_files'(Libs,G) :-
throw(error(type_error(list,Libs),G)).
'$check_lib_for_load_foreign_files'(V,G) :- var(V), !,
throw(error(instantiation_error,G)).
'$check_lib_for_load_foreign_files'(Lib,_) :- atom(Lib), !.
'$check_lib_for_load_foreign_files'(Lib,G) :-
throw(error(type_error(atom,Lib),G)).
'$check_entry_for_load_foreign_files'(V,G) :- var(V), !,
throw(error(instantiation_error,G)).
'$check_entry_for_load_foreign_files'(Entry,_) :- atom(Entry), !.
'$check_entry_for_load_foreign_files'(Entry,G) :-
throw(error(type_error(atom,Entry),G)).
'$process_obj_suffix'(ObjCodes,ObjCodes) :-
'$obj_suffix'(ObjSuffix),
'$append'(ObjCodes,ObjSuffix,ObjCodes), !.
'$process_obj_suffix'(ObjCodes,NewObjCodes) :-
'$obj_suffix'(ObjSuffix),
'$append'(ObjCodes,ObjSuffix,NewObjCodes).