63 lines
1.8 KiB
Plaintext
63 lines
1.8 KiB
Plaintext
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:- use_module(library(lineutils),
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[file_filter_with_init/5,
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split/3]).
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:- use_module(library(lists),
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[append/2]).
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:- initialization(main).
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:- yap_flag(write_strings,on).
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main :-
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warning(Warning),
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nb_setval(atom_counter,0),
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nb_setval(functor_counter,0),
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file_filter_with_init('misc/SWIATOMS','include/dswiatoms.h',gen_defs, Warning, ['dswiatoms.h']),
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open('include/dswiatoms.h',append,W),
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nb_getval(atom_counter,SWIAtoms),
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nb_getval(functor_counter,SWIFunctors),
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format(W,'~n~n#define N_SWI_ATOMS ~d~n',[SWIAtoms]),
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format(W,'#define N_SWI_FUNCTORS ~d~n',[SWIFunctors]),
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HashSizeBits is msb(SWIAtoms+SWIFunctors)+2,
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HashSize is 2^HashSizeBits,
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format(W,'#define N_SWI_HASH_BITS ~d~n',[HashSizeBits]),
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format(W,'#define N_SWI_HASH ~d~n',[HashSize]),
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close(W),
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file_filter_with_init('misc/SWIATOMS','H/iswiatoms.h',gen_init, Warning, ['iswiatoms.h']).
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warning('~n /* This file, ~a, was generated automatically~n by calling \"yap -L misc/buildswiatoms\"~n and is based on SWIATOMS, copied from the SWI-Prolog distribution~n please do not update */~n~n').
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gen_defs(Inp,Out) :-
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split(Inp," ",["A",Atom,_]), !,
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nb_getval(atom_counter, Pos),
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NPos is Pos+1,
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nb_setval(atom_counter, NPos),
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number_codes(Pos, Val),
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append(["#define ATOM_",Atom," (",Val,"*2+1)"], Out).
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gen_defs(Inp,Out) :-
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split(Inp," ",["F",Functor,Arity]), !,
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nb_getval(functor_counter, Pos),
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NPos is Pos+1,
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nb_setval(functor_counter, NPos),
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number_codes(Pos, Val),
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append(["#define FUNCTOR_",Functor,Arity," (",Val,"*4+2)"], Out).
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gen_init(Inp,Out) :-
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split(Inp," ",["A",_,String]), !,
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append([" SWI_Atoms[i++] = Yap_LookupAtom(",String,");"],Out).
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gen_init(Inp,Out) :-
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split(Inp," ",["F",String,Arity]), !,
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append([" SWI_Functors[j++] = Yap_MkFunctor(SWIAtomToAtom(ATOM_",String,"),",Arity,");"],Out).
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