b37ee94fe9
try to expand trail in single sweep git-svn-id: https://yap.svn.sf.net/svnroot/yap/trunk@769 b08c6af1-5177-4d33-ba66-4b1c6b8b522a
158 lines
4.1 KiB
Prolog
158 lines
4.1 KiB
Prolog
/*************************************************************************
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* *
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* YAP Prolog *
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* *
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* Yap Prolog was developed at NCCUP - Universidade do Porto *
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* *
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* Copyright L.Damas, V.S.Costa and Universidade do Porto 1985-1997 *
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* *
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**************************************************************************
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* *
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* File: init.yap *
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* Last rev: *
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* mods: *
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* comments: initializing the full prolog system *
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* *
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*************************************************************************/
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% This is yap's init file
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% should be consulted first step after booting
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% These are pseudo declarations
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% so that the user will get a redefining system predicate
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otherwise.
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fail :- fail.
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false :- fail.
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!.
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(:- G) :- '$execute'(G), !.
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'$$!'(CP) :- '$cut_by'(CP).
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[] :- true.
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','(A,B) :- '$current_module'(Module), '$meta_call'((A,B),Module).
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';'(A,B) :- '$current_module'(Module), '$meta_call'((A;B),Module).
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'|'(A,B) :- '$current_module'(Module), '$meta_call'((A;B),Module).
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'->'(A,B) :- '$current_module'(Module), '$meta_call'((A->B),Module).
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\+(G) :- '$current_module'(Module), '$meta_call'(\+(G),Module).
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not(G) :- '$current_module'(Module), '$meta_call'(not(G),Module).
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:- '$set_value'('$doindex',true).
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:- ['errors.yap',
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'utils.yap',
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'arith.yap'].
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:- compile_expressions.
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:- [ 'yio.yap',
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'debug.yap',
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'consult.yap',
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'checker.yap',
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'depth_bound.yap',
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'directives.yap',
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'grammar.yap',
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'ground.yap',
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'listing.yap',
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'preds.yap',
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% modules must be after preds, otherwise we will have trouble
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% with meta-predicate expansion being invoked
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'modules.yap',
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'profile.yap',
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'callcount.yap',
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'load_foreign.yap',
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'sockets.yap',
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'sort.yap',
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'setof.yap',
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'strict_iso.yap',
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'tabling.yap',
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'yapor.yap'].
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:- ['protect.yap'].
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version(yap,[4,1]).
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system_mode(verbose,on) :- '$set_value'('$verbose',on).
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system_mode(verbose,off) :- '$set_value'('$verbose',off).
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:- op(1150,fx,(mode)).
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:- dynamic 'extensions_to_present_answer'/1.
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:- ['corout.yap',
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'arrays.yap'].
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:- '$change_type_of_char'(36,7). % Make $ a symbol character
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:- default_sequential(off).
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:- '$set_pred_module'(get_att(_,_,_), attributes),
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'$set_pred_module'(get_all_atts(_,_), attributes),
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'$set_pred_module'(free_att(_,_), attributes),
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'$set_pred_module'(put_att(_,_,_), attributes),
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'$set_pred_module'(rm_att(_,_), attributes),
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'$set_pred_module'(inc_n_of_atts(_), attributes),
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'$set_pred_module'(n_of_atts(_), attributes),
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'$set_pred_module'(bind_attvar(_), attributes),
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'$set_pred_module'(all_attvars(_), attributes).
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:- '$set_pred_module'(open_mem_read_stream(_,_), charsio),
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'$set_pred_module'(open_mem_write_stream(_), charsio),
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'$set_pred_module'(peek_mem_write_stream(_,_,_), charsio).
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:- '$set_pred_module'(term_hash(_,_,_,_), terms),
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'$set_pred_module'(term_hash(_,_), terms),
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'$set_pred_module'(term_variables(_,_), terms),
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'$set_pred_module'(variant(_,_), terms),
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'$set_pred_module'(subsumes(_,_), terms),
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'$set_pred_module'(cyclic_term(_), terms),
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'$set_pred_module'(acyclic_term(_,_), terms),
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'$set_pred_module'(variable_in_term(_,_), terms).
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%
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% cleanup ensure loaded and recover some data-base space.
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%
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:- ( recorded('$loaded','$loaded'(_,_),R), erase(R), fail ; true ).
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:- '$set_value'('$user_module',user), '$protect'.
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:- style_check([]).
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%
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% moved this to init_gc in gc.c to separate the alpha
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%
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% :- yap_flag(gc,on).
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% :- yap_flag(gc_trace,verbose).
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:- system_mode(verbose,on).
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:- module(user).
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:- multifile goal_expansion/3.
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:- dynamic_predicate(goal_expansion/3, logical).
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:- multifile term_expansion/2.
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:- dynamic_predicate(term_expansion/2, logical).
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:- multifile file_search_path/2.
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:- dynamic_predicate(file_search_path/2, logical).
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file_search_path(library, Dir) :-
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library_directory(Dir).
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file_search_path(system, Dir) :-
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prolog_flag(host_type, Dir).
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:- multifile library_directory/1.
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:- dynamic_predicate(library_directory/1, logical).
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library_directory(D) :-
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getenv('YAPSHAREDIR', D).
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:- get_value(system_library_directory,D), assert(library_directory(D)).
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