db16d32668
git-svn-id: https://yap.svn.sf.net/svnroot/yap/trunk@1459 b08c6af1-5177-4d33-ba66-4b1c6b8b522a
143 lines
2.9 KiB
Prolog
143 lines
2.9 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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fail :- fail.
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false :- fail.
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otherwise.
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!.
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(:- G) :- '$execute'(G), !.
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'$$!'(CP) :- '$cut_by'(CP).
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[] :- true.
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:- set_value('$doindex',true).
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% force having indexing code for throw.
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:- '$handle_throw'(_,_,_), !.
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:- bootstrap('errors.yap').
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:- bootstrap('consult.yap').
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:- [ 'utils.yap',
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'arith.yap',
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'directives.yap'].
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:- compile_expressions.
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:- [ 'yio.yap',
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'debug.yap',
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'checker.yap',
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'depth_bound.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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'signals.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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'statistics.yap',
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'strict_iso.yap',
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'tabling.yap',
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'threads.yap',
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'yapor.yap'].
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:- thread_local([idb:'$debug'/0,idb:'$trace'/0,idb:'$spy_skip'/0,idb:'$spy_stop'/0]).
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:- ['protect.yap'].
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version(yap,[4,1]).
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system_mode(verbose,on) :- set_value('$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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%
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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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