keep three modules, just for imported stuff.
This commit is contained in:
Vítor Santos Costa
parent
64e7e7e663
commit
9f00389e52
41
pl/boot.yap
41
pl/boot.yap
@ -280,7 +280,7 @@ private(_).
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:- use_system_module( '$_modules', ['$get_undefined_pred'/4,
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'$meta_expansion'/6,
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'$module_expansion'/5]).
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'$module_expansion'/6]).
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:- use_system_module( '$_preddecls', ['$dynamic'/2]).
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@ -649,11 +649,11 @@ number of steps.
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;
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'$execute_commands'(O,VL,Pos,Option,O)
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).
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'$execute_command'((?-G), V, Pos, Option, Source) :-
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'$execute_command'((?-G), VL, Pos, Option, Source) :-
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Option \= top, !,
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'$execute_command'(G, V, Pos, top, Source).
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'$execute_command'(G, V, Pos, Option, Source) :-
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'$continue_with_command'(Option, V, Pos, G, Source).
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'$execute_command'(G, VL, Pos, top, Source).
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'$execute_command'(G, VL, Pos, Option, Source) :-
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'$continue_with_command'(Option, VL, Pos, G, Source).
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%
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% This command is very different depending on the language mode we are in.
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@ -715,22 +715,27 @@ number of steps.
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% not 100% compatible with SICStus Prolog, as SICStus Prolog would put
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% module prefixes all over the place, although unnecessarily so.
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%
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'$go_compile_clause'(G,V,Pos,N,Source) :-
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% G is the goal to compile
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% Vs the named variables
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% Pos the source position
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% N where to add first or last
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% Source the original clause
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'$go_compile_clause'(G,Vs,Pos,N,Source) :-
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'$current_module'(Mod),
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'$go_compile_clause'(G,V,Pos,N,Mod,Mod,Source).
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'$go_compile_clause'(G,Vs,Pos,N,Mod,Mod,Mod,Source).
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'$go_compile_clause'(G,_,_,_,_,_,Source) :-
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'$go_compile_clause'(G,_Vs,_Pos,_N,_HM,_BM,_SM,Source) :-
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var(G), !,
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'$do_error'(instantiation_error,assert(Source)).
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'$go_compile_clause'((G:-_),_,_,_,_,_,Source) :-
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'$go_compile_clause'((G:-_),_Vs,_Pos,_N,_HM,_BM,_SM,Source) :-
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var(G), !,
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'$do_error'(instantiation_error,assert(Source)).
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'$go_compile_clause'(M:G,V,Pos,N,_,_,Source) :- !,
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'$go_compile_clause'(G,V,Pos,N,M,M,Source).
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'$go_compile_clause'((M:H :- B),V,Pos,N,_,BodyMod,Source) :- !,
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'$go_compile_clause'((H :- B),V,Pos,N,M,BodyMod,Source).
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'$go_compile_clause'(G,V,Pos,N,HeadMod,BodyMod,Source) :- !,
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'$precompile_term'(G, G0, G1, BodyMod, SourceMod),
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'$go_compile_clause'(M:G,Vs,Pos,N,_,_,SourceMod,Source) :- !,
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'$go_compile_clause'(G,Vs,Pos,N,M,M,M,Source).
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'$go_compile_clause'((M:H :- B),Vs,Pos,N,_,BodyMod,SourceMod,Source) :- !,
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'$go_compile_clause'((H :- B),Vs,Pos,N,M,BodyMod,SourceMod,Source).
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'$go_compile_clause'(G,Vs,Pos,N,HeadMod,BodyMod,SourceMod,Source) :- !,
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'$precompile_term'(G, G0, G1, HeadMod, BodyMod, SourceMod),
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'$$compile'(G1, G0, N, HeadMod).
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@ -1399,9 +1404,9 @@ bootstrap(F) :-
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% return two arguments: Expanded0 is the term after "USER" expansion.
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% Expanded is the final expanded term.
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%
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'$precompile_term'(Term, Expanded0, Expanded, BodyMod, SourceMod) :-
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'$precompile_term'(Term, Expanded0, Expanded, HeadMod, BodyMod, SourceMod) :-
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%format('[ ~w~n',[Term]),
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'$module_expansion'(Term, Expanded0, ExpandedI, BodyMod, SourceMod), !,
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'$module_expansion'(Term, Expanded0, ExpandedI, HeadMod, BodyMod, SourceMod), !,
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%format(' -> ~w~n',[Expanded0]),
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(
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'$access_yap_flags'(9,1) /* strict_iso on */
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@ -1411,7 +1416,7 @@ bootstrap(F) :-
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;
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'$expand_array_accesses_in_term'(ExpandedI,Expanded)
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).
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'$precompile_term'(Term, Term, Term, _, _).
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'$precompile_term'(Term, Term, Term, _, _, _).
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/** @pred expand_term( _T_,- _X_)
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193
pl/modules.yap
193
pl/modules.yap
@ -164,7 +164,7 @@ not at all defined.
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'$meta_predicate'/4,
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'$module'/3,
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'$module'/4,
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'$module_expansion'/5,
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'$module_expansion'/6,
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'$module_transparent'/2,
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'$module_transparent'/4]).
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@ -563,7 +563,7 @@ source_module(Mod) :-
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'$current_module'(Mod).
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% expand module names in a clause
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% expand module names in a clause (interface predicate).
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% A1: Input Clause
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% A2: Output Class to Compiler (lives in module HM)
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% A3: Output Class to clause/2 and listing (lives in module HM)
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@ -574,19 +574,19 @@ source_module(Mod) :-
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% A6: head module (this is the one used in compiling and accessing).
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%
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%
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'$module_expansion'(H,H,H,_M,_HM) :- var(H), !.
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'$module_expansion'((H:-B),(H:-B1),(H:-BOO),M,HM) :- !,
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'$is_mt'(M, H, B, IB, MM),
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'$module_u_vars'(H,UVars,M), % collect head variables in
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'$module_expansion'(H, H, H, _HM, _BM, _SM) :- var(H), !.
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'$module_expansion'((H:-B), (H:-B1), (H:-BOO), HM, BM, SM) :- !,
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'$is_mt'(HM, H, SM, B, IB, MM),
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'$module_u_vars'(H,UVars,HM), % collect head variables in
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% expanded positions
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'$module_expansion'(IB,B1,BO,M,MM,HM,UVars),
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('$full_clause_optimisation'(H, M, BO, BOO) ->
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'$expand_modules'(IB, B1, BO, HM, BM, MM, UVars),
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('$full_clause_optimisation'(H, SM, BO, BOO) ->
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true
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;
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BO = BOO
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).
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% do not expand bodyless clauses.
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'$module_expansion'(H,H,H,_,_).
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'$module_expansion'(H,H,H,_,_,_).
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'$trace_module'(X) :-
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@ -642,7 +642,7 @@ source_module(Mod) :-
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% A6: head module (this is the one used in compiling and accessing).
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%
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%
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'$module_expansion'(V,NG,NG,_,SM,_,HVars) :-
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'$expand_modules'(V,NG,NG,_,_,SM,HVars) :-
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var(V), !,
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( '$not_in_vars'(V,HVars)
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->
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@ -650,49 +650,49 @@ source_module(Mod) :-
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;
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NG = call(V)
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).
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'$module_expansion'((A,B),(A1,B1),(AO,BO),M,SM,HM,HVars) :- !,
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'$module_expansion'(A,A1,AO,M,SM,HM,HVars),
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'$module_expansion'(B,B1,BO,M,SM,HM,HVars).
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'$module_expansion'((A;B),(A1;B1),(AO;BO),M,SM,HM,HVars) :- var(A), !,
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'$module_expansion'(A,A1,AO,M,SM,HM,HVars),
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'$module_expansion'(B,B1,BO,M,SM,HM,HVars).
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'$module_expansion'((A*->B;C),(A1*->B1;C1),(yap_hacks:current_choicepoint(DCP),AO,yap_hacks:cut_at(DCP),BO; CO),M,SM,HM,HVars) :- !,
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'$module_expansion'(A,A1,AOO,M,SM,HM,HVars),
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'$expand_modules'((A,B),(A1,B1),(AO,BO),HM,BM,SM,HVars) :- !,
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'$expand_modules'(A,A1,AO,HM,BM,SM,HVars),
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'$expand_modules'(B,B1,BO,HM,BM,SM,HVars).
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'$expand_modules'((A;B),(A1;B1),(AO;BO),HM,BM,SM,HVars) :- var(A), !,
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'$expand_modules'(A,A1,AO,HM,BM,SM,HVars),
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'$expand_modules'(B,B1,BO,HM,BM,SM,HVars).
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'$expand_modules'((A*->B;C),(A1*->B1;C1),(yap_hacks:current_choicepoint(DCP),AO,yap_hacks:cut_at(DCP),BO; CO),HM,BM,SM,HVars) :- !,
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'$expand_modules'(A,A1,AOO,HM,BM,SM,HVars),
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'$clean_cuts'(AOO, AO),
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'$module_expansion'(B,B1,BO,M,SM,HM,HVars),
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'$module_expansion'(C,C1,CO,M,SM,HM,HVars).
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'$module_expansion'((A;B),(A1;B1),(AO;BO),M,SM,HM,HVars) :- !,
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'$module_expansion'(A,A1,AO,M,SM,HM,HVars),
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'$module_expansion'(B,B1,BO,M,SM,HM,HVars).
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'$module_expansion'((A|B),(A1|B1),(AO|BO),M,SM,HM,HVars) :- !,
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'$module_expansion'(A,A1,AO,M,SM,HM,HVars),
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'$module_expansion'(B,B1,BO,M,SM,HM,HVars).
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'$module_expansion'((A->B),(A1->B1),(AO->BO),M,SM,HM,HVars) :- !,
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'$module_expansion'(A,A1,AOO,M,SM,HM,HVars),
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'$expand_modules'(B,B1,BO,HM,BM,SM,HVars),
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'$expand_modules'(C,C1,CO,HM,BM,SM,HVars).
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'$expand_modules'((A;B),(A1;B1),(AO;BO),HM,BM,SM,HVars) :- !,
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'$expand_modules'(A,A1,AO,HM,BM,SM,HVars),
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'$expand_modules'(B,B1,BO,HM,BM,SM,HVars).
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'$expand_modules'((A|B),(A1|B1),(AO|BO),HM,BM,SM,HVars) :- !,
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'$expand_modules'(A,A1,AO,HM,BM,SM,HVars),
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'$expand_modules'(B,B1,BO,HM,BM,SM,HVars).
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'$expand_modules'((A->B),(A1->B1),(AO->BO),HM,BM,SM,HVars) :- !,
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'$expand_modules'(A,A1,AOO,HM,BM,SM,HVars),
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'$clean_cuts'(AOO, AO),
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'$module_expansion'(B,B1,BO,M,SM,HM,HVars).
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'$module_expansion'(\+A,\+A1,\+AO,M,SM,HM,HVars) :- !,
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'$module_expansion'(A,A1,AO,M,SM,HM,HVars).
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'$module_expansion'(not(A),not(A1),not(AO),M,SM,HM,HVars) :- !,
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'$module_expansion'(A,A1,AO,M,SM,HM,HVars).
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'$module_expansion'(true,true,true,_,_,_,_) :- !.
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'$module_expansion'(fail,fail,fail,_,_,_,_) :- !.
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'$module_expansion'(false,false,false,_,_,_,_) :- !.
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'$expand_modules'(B,B1,BO,HM,BM,SM,HVars).
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'$expand_modules'(\+A,\+A1,\+AO,HM,BM,SM,HVars) :- !,
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'$expand_modules'(A,A1,AO,HM,BM,SM,HVars).
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'$expand_modules'(not(A),not(A1),not(AO),HM,BM,SM,HVars) :- !,
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'$expand_modules'(A,A1,AO,HM,BM,SM,HVars).
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'$expand_modules'(true,true,true,_,_,_,_) :- !.
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'$expand_modules'(fail,fail,fail,_,_,_,_) :- !.
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'$expand_modules'(false,false,false,_,_,_,_) :- !.
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% if I don't know what the module is, I cannot do anything to the goal,
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% so I just put a call for later on.
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'$module_expansion'(M:G,call(M:G),'$execute_wo_mod'(G,M),_,_,_,_) :- var(M), !.
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'$module_expansion'(M:G,G1,GO,_,_CM,HM,HVars) :- !,
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'$module_expansion'(G,G1,GO,M,M,HM,HVars).
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'$module_expansion'(G, G1, GO, CurMod, SM, HM,HVars) :-
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'$expand_modules'(M:G,call(M:G),'$execute_wo_mod'(G,M),_,_,_,_) :- var(M), !.
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'$expand_modules'(M:G,G1,GO,HM,_M,_SM,HVars) :- !,
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'$expand_modules'(G,G1,GO,HM,M,M,HVars).
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'$expand_modules'(G, G1, GO, HM, BM, SM, HVars) :-
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% is this imported from some other module M1?
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'$imported_pred'(G, CurMod, GG, M1),
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'$imported_pred'(G, BM, GG, M1),
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!,
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'$module_expansion'(GG, G1, GO, M1, SM, HM,HVars).
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'$module_expansion'(G, G1, GO, CurMod, SM, HM,HVars) :-
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'$meta_expansion'(G, CurMod, SM, HM, GI, HVars), !,
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'$complete_goal_expansion'(GI, CurMod, SM, HM, G1, GO, HVars).
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'$module_expansion'(G, G1, GO, CurMod, SM, HM, HVars) :-
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'$complete_goal_expansion'(G, CurMod, SM, HM, G1, GO, HVars).
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'$expand_modules'(GG, G1, GO, HM, M1, SM, HVars).
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'$expand_modules'(G, G1, GO, HM, BM, SM, HVars) :-
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'$meta_expansion'(G, HM, BM, SM, GI, HVars), !,
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'$complete_goal_expansion'(GI, HM, BM, SM, G1, GO, HVars).
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'$expand_modules'(G, G1, GO, HM, BM, SM, HVars) :-
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'$complete_goal_expansion'(G, HM, BM, SM, G1, GO, HVars).
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expand_goal(G, G) :-
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var(G), !.
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@ -703,15 +703,14 @@ expand_goal(G, NG) :-
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'$do_expand'(G, Mod, prolog, [], NG), !.
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expand_goal(G, G).
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'$do_expand'(G, _, _, _, G) :- var(G), !.
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'$do_expand'(M:G, _CurMod, SM, HVars, M:GI) :- !,
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'$do_expand'(G, _HM, _BM, _SM, _, G) :- var(G), !.
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'$do_expand'(M:G, HM, _BM, _SM, HVars, M:GI) :- !,
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nonvar(M),
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'$do_expand'(G, M, SM, HVars, GI).
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'$do_expand'(G, CurMod, _SM, _HVars, GI) :-
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nonvar(G),
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'$do_expand'(G, HM, M, M, HVars, GI).
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'$do_expand'(G, HM, BM, SM, _HVars, GI) :-
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(
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'$pred_exists'(goal_expansion(G,GI), CurMod),
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call(CurMod:goal_expansion(G, GI))
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'$pred_exists'(goal_expansion(G,GI), SM),
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call(SM:goal_expansion(G, GI))
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->
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true
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;
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@ -720,51 +719,51 @@ expand_goal(G, G).
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->
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true
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;
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user:goal_expansion(G, CurMod, GI)
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user:goal_expansion(G, SM, GI)
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->
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true
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;
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user:goal_expansion(G, GI)
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), !.
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'$do_expand'(G, CurMod, SM, HVars, NG) :-
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'$is_metapredicate'(G,CurMod), !,
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'$do_expand'(G, HM, BM, SM, HVars, NG) :-
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'$is_metapredicate'(G,BM), !,
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functor(G, Name, Arity),
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prolog:'$meta_predicate'(Name,CurMod,Arity,PredDef),
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prolog:'$meta_predicate'(Name,BM,Arity,PredDef),
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G =.. [Name|GArgs],
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PredDef =.. [Name|GDefs],
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'$expand_args'(GArgs, CurMod, SM, GDefs, HVars, NGArgs),
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'$expand_args'(GArgs, HM, BM, SM, GDefs, HVars, NGArgs),
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NG =.. [Name|NGArgs].
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'$expand_args'([], _, _, [], _, []).
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'$expand_args'([A|GArgs], CurMod, SM, [0|GDefs], HVars, [NA|NGArgs]) :-
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'$do_expand'(A, CurMod, SM, HVars, NA), !,
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'$expand_args'(GArgs, CurMod, SM, GDefs, HVars, NGArgs).
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'$expand_args'([A|GArgs], CurMod, SM, [_|GDefs], HVars, [A|NGArgs]) :-
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'$expand_args'(GArgs, CurMod, SM, GDefs, HVars, NGArgs).
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'$expand_args'([], _, _, _, [], _, []).
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'$expand_args'([A|GArgs], HM, BM, SM, [0|GDefs], HVars, [NA|NGArgs]) :-
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'$do_expand'(A, HM, BM, SM, HVars, NA), !,
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'$expand_args'(GArgs, HM, BM, SM, GDefs, HVars, NGArgs).
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'$expand_args'([A|GArgs], HM, BM, SM, [_|GDefs], HVars, [A|NGArgs]) :-
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'$expand_args'(GArgs, HM, BM, SM, GDefs, HVars, NGArgs).
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% args are:
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% goal to expand
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% current module for looking up pred
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% context module
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% current module from head of clause
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% context module
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% :- module(m, []). o:p :- n:(g, l).
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%
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% would be o, n, m.
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% goal to pass to listing
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% goal to pass to compiler
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% head variables.
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'$complete_goal_expansion'(G, CurMod, SM, HM, G1, GO, HVars) :-
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'$complete_goal_expansion'(G, HM, BM, SM, G1, GO, HVars) :-
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% '$pred_goal_expansion_on',
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'$do_expand'(G, CurMod, SM, HVars, GI),
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'$do_expand'(G, HM, BM, SM, HVars, GI),
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GI \== G, !,
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'$module_expansion'(GI, G1, GO, CurMod, SM, HM, HVars).
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'$complete_goal_expansion'(G, M, _SM, HM, G1, G2, _HVars) :-
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'$all_system_predicate'(G,M,ORIG), !,
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'$expand_modules'(GI, G1, GO, HM, BM, SM, HVars).
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'$complete_goal_expansion'(G, HM, BM, SM, G1, G2, _HVars) :-
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'$all_system_predicate'(G, M, ORIG), !,
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% make built-in processing transparent.
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'$match_mod'(G, M, ORIG, HM, G1),
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'$c_built_in'(G1, M, Gi),
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Gi = G2.
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'$complete_goal_expansion'(G, GMod, _, HM, NG, NG, _) :-
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'$match_mod'(G, GMod, GMod, HM, NG).
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'$complete_goal_expansion'(G, HM, BM, SM, NG, NG, _) :-
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'$match_mod'(G, BM, BM, HM, NG).
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%'$match_mod'(G, GMod, GMod, NG) :- !,
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% NG = G.
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@ -925,49 +924,49 @@ meta_predicate declaration
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% $meta_expansion(ModuleWhereDefined,CurrentModule,Goal,ExpandedGoal,MetaVariables)
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'$meta_expansion'(G,Mod,MP,HM,G1,HVars) :-
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'$meta_expansion'(G, HM, BM, SM, G1,HVars) :-
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functor(G,F,N),
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'$meta_predicate'(F,Mod,N,D), !, % we're in an argument
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% format(user_error,'[ ~w ',[G]),
|
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'$meta_predicate'(F,BM,N,D), !, % we're in an argument
|
||||
% format(user_error,'[ ~w (~a, ~a, ~a)',[G, HM, BM, SM]),
|
||||
functor(G1,F,N),
|
||||
'$meta_expansion_loop'(N, D, G, G1, HVars, Mod, MP, HM).
|
||||
% format(user_error,' gives ~w]`n',[G1]).
|
||||
'$meta_expansion_loop'(N, D, G, G1, HVars, HM, BM, SM).
|
||||
% format(user_error,' gives ~w]~n',[G1]).
|
||||
|
||||
|
||||
% expand argument
|
||||
'$meta_expansion_loop'(0,_,_,_,_,_,_,_) :- !.
|
||||
'$meta_expansion_loop'(I,D,G,NG,HVars,CurMod,M,HM) :-
|
||||
arg(I,D,X), (X==':' -> true ; integer(X)),
|
||||
'$meta_expansion_loop'(I,D,G,NG,HVars, HM, BM, SM) :-
|
||||
arg(I,D,X),
|
||||
(X==':' -> true ; integer(X)),
|
||||
arg(I,G,A),
|
||||
'$should_expand'(A,HVars),
|
||||
!,
|
||||
( X ==0 ->
|
||||
'$values'('$c_arith',Old, false),
|
||||
'$meta_expansion0'(A,CurMod,M,HM,NA,HVars),
|
||||
'$meta_expansion0'(A, HM, BM, SM, NA, HVars),
|
||||
'$values'('$c_arith', _False, Old)
|
||||
;
|
||||
NA = M:A
|
||||
NA = SM:A
|
||||
),
|
||||
arg(I,NG,NA),
|
||||
I1 is I-1,
|
||||
'$meta_expansion_loop'(I1, D, G, NG, HVars, CurMod, M, HM).
|
||||
'$meta_expansion_loop'(I, D, G, NG, HVars, CurMod, M, HM) :-
|
||||
'$meta_expansion_loop'(I1, D, G, NG, HVars, HM, BM, SM).
|
||||
'$meta_expansion_loop'(I, D, G, NG, HVars, HM, BM, SM) :-
|
||||
arg(I,G,A),
|
||||
arg(I,NG,A),
|
||||
I1 is I-1,
|
||||
'$meta_expansion_loop'(I1, D, G, NG, HVars, CurMod, M, HM).
|
||||
'$meta_expansion_loop'(I1, D, G, NG, HVars, HM, BM, SM).
|
||||
|
||||
'$meta_expansion0'(G,_Mod,MP,_HM, G1,_HVars) :-
|
||||
var(G), !,
|
||||
G1 = MP:G.
|
||||
'$meta_expansion0'(M:G,_Mod,_MP,_HM,G1,_HVars) :-
|
||||
'$meta_expansion0'(G, _HM, _BM, SM, SM:G, _HVars) :-
|
||||
var(G), !.
|
||||
'$meta_expansion0'(M:G, _HM, _BM, SM, G1, _HVars) :-
|
||||
var(M), !,
|
||||
G1 = '$execute_wo_mod'(G,M).
|
||||
G1 = '$execute_wo_mod'(G,SM).
|
||||
% support for all/3
|
||||
'$meta_expansion0'(same(G, P),Mod,MP,HM, same(G1, P),HVars) :- !,
|
||||
'$meta_expansion0'(G,Mod,MP,HM,G1,HVars).
|
||||
'$meta_expansion0'(G,Mod,MP,HM,M1:G1,HVars) :-
|
||||
strip_module(Mod:G,M1,G1).
|
||||
'$meta_expansion0'(same(G, P), HM, BM, SM, same(G1, P),HVars) :- !,
|
||||
'$meta_expansion0'(G, _HM, BM, SM, G1,HVars).
|
||||
'$meta_expansion0'(G, HM, BM, SM, M1:G1,HVars) :-
|
||||
strip_module(SM:G,M1,G1).
|
||||
|
||||
|
||||
% check if an argument should be expanded
|
||||
@ -1004,9 +1003,9 @@ its parent goal.
|
||||
NFlags is Fl \/ 0x200004,
|
||||
'$flags'(P, M, Fl, NFlags).
|
||||
|
||||
'$is_mt'(M, H, B, (context_module(CM),B), CM) :-
|
||||
'$is_mt'(M, H, CM, B, (context_module(CM),B), CM) :-
|
||||
'$module_transparent'(_, M, _, H), !.
|
||||
'$is_mt'(M, _, B, B, M).
|
||||
'$is_mt'(_M, _H, CM, B, B, CM).
|
||||
|
||||
% comma has its own problems.
|
||||
:- '$install_meta_predicate'(','(0,0), prolog).
|
||||
|
||||
Reference in New Issue
Block a user