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yap-6.3/misc/buildops

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:- use_module(library(lineutils),
[process/2,
split/3]).
:- use_module(library(readutil),
[read_line_to_codes/2]).
:- use_module(library(charsio),
[format_to_chars/3]).
:- use_module(library(lists),
[member/2]).
:- initialization(main).
:- yap_flag(write_strings,on).
:- yap_flag(unknown,error).
:- style_check(all).
:- dynamic qual/1.
qual("none").
main :-
get_field_names('H/amidefs.h'),
open('H/YapOpcodes.h',write,W),
open('H/rclause.h',write,C),
open('H/walkclause.h',write,L),
open('H/findclause.h',write,F),
open('H/headclause.h',write,H),
open('H/saveclause.h',write,S),
header(W),
header_rclause(C),
header_walk_clause(L),
header_find_clause(F),
header_find_clause(H),
header_save_clause(S),
file('C/absmi_insts.h', W, C, L, F, H, S),
start_ifdef("YAPOR", W, C, L, F, H, S),
file('OPTYap/or.insts.h',W, C, L, F, H, S),
end_ifdef(W, C, L, F, H, S),
start_ifdef("TABLING", W, C, L, F, H, S),
file('OPTYap/tab.insts.h',W,C,L, F, H, S),
retractall(op(_,_)),
file('OPTYap/tab.tries.insts.h', W, C, L, F, H, S),
end_ifdef(W, C, L, F, H, S),
%start_ifdef("YAP_JIT", W, C, L, F, H, S),
%file('C/traced_absmi_insts.h', W, C, L, F, H, S),
%start_ifdef("YAPOR", W, C, L, F, H, S),
%file('OPTYap/traced_or.insts.h',W, C, L, F, H, S),
%end_ifdef(W, C, L, F, H, S),
%start_ifdef("TABLING", W, C, L, F, H, S),
%file('OPTYap/traced_tab.insts.h',W,C,L, F, H, S),
%retractall(op(_,_)),
%file('OPTYap/traced_tab.tries.insts.h', W, C, L, F, H, S),
%end_ifdef(W, C, L, F, H, S),
%end_ifdef(W, C, L, F, H, S),
footer(W),
footer_rclause(C),
footer_walk_clause(L),
footer_find_clause(F),
footer_find_clause(H),
footer_save_clause(S),
close(F),
close(L),
close(W),
close(C),
close(H),
close(S).
start_ifdef(D, W, C, L, F, H, S) :-
retractall(op(_,_)),
format(W, '#ifdef ~s~n',[D]),
format(C, '#ifdef ~s~n',[D]),
format(L, '#ifdef ~s~n',[D]),
format(F, '#ifdef ~s~n',[D]),
format(H, '#ifdef ~s~n',[D]),
format(S, '#ifdef ~s~n',[D]).
end_ifdef(W,C,L,F,H, S) :-
format(W, '#endif~n',[]),
format(C, '#endif~n',[]),
format(L, '#endif~n',[]),
format(F, '#endif~n',[]),
format(H, '#endif~n',[]),
format(S, '#endif~n',[]).
header(W) :-
format(W,'~n /* This file was generated automatically by \"yap -L misc/buildops\"~n please do not update */~n~n',[]).
header_rclause(W) :-
format(W,'~n /* This file was generated automatically by \"yap -L misc/buildops\"~n please do not update */~n~n
static void
restore_opcodes(yamop *pc, yamop *max USES_REGS)
{
yamop *opc = NULL;
do {
op_numbers op;
if (max && pc >= max) return;
op = Yap_op_from_opcode(pc->opc);
pc->opc = Yap_opcode(op);
#ifdef DEBUG_RESTORE2
fprintf(stderr, "%s ", Yap_op_names[op]);
#endif
switch (op) {
',[]).
header_walk_clause(W) :-
format(W,'~n /* This file was generated automatically by \"yap -L misc/buildops\"~n please do not update */~n~n
while (TRUE) {
op_numbers op;
op = Yap_op_from_opcode(pc->opc);
/* C-code, maybe indexing */
switch (op) {
',[]).
header_save_clause(W) :-
format(W,'~n /* This file was generated automatically by \"yap -L misc/buildops\"~n please do not update */~n~n
while (TRUE) {
op_numbers op;
if (max && pc >= max) return 1;
op = Yap_op_from_opcode(pc->opc);
save_Opcode(stream, op);
/* C-code, maybe indexing */
switch (op) {
',[]).
header_find_clause(W) :-
format(W,'~n /* This file was generated automatically by \"yap -L misc/buildops\"~n please do not update */~n~n
while (TRUE) {
op_numbers op = Yap_op_from_opcode(cl->opc);
switch (op) {
',[]).
file(I,W,C,L,F,H, S) :-
open(I,read,R),
process(R,grep_opcode(W)),
close(R),
output_rclause(C),
output_walk_clause(L),
output_find_clause(F),
output_head_clause(H),
output_save_clause(S).
grep_opcode(W, Line) :-
split(Line," ,();",[OP,Name,Type]),
Name \= "or_last", Name \= "traced_or_last",
check_op(OP), !,
special(Name,W),
assert(op(Type,Name)),
format(W,' OPCODE(~s~36+,~s),~n',[Name,Type]),
end_special(Name,W).
grep_opcode(W, Line) :-
split(Line,"# \"<>",["include",File]),
atom_codes(AFile, File),
atomic_concat('C/',AFile,NFile),
(
catch( open(NFile,read,R), _, fail )
->
( sub_atom( AFile, 0, _, _, traced ) -> format(W,'#if YAP_JIT~n',[]) ; true ),
process(R,grep_opcode(W)),
( sub_atom( AFile, 0, _, _, traced ) -> format(W,'#endif~n',[]) ; true),
close(R)
;
true
).
check_op("Op").
check_op("BOp").
check_op("PBOp").
check_op("OpRW").
check_op("OpW").
special(Name, W) :-
special_op(Name, Decl), !,
format(W,"#ifdef ~s~n",[Decl]).
special(_, _).
end_special(Name, W) :-
special_op(Name, _), !,
format(W,"#endif~n",[]).
end_special(_, _).
special_op("clause_with_cut","TABLING_INNER_CUTS").
special_op("table_answer_resolution_completion","THREADS_CONSUMER_SHARING").
/*special_op("cut_c","CUT_C").*/
/*special_op("cut_userc","CUT_C").*/
special_op("run_eam","BEAM").
special_op("retry_eam","BEAM").
special_op("thread_local","THREADS").
special_op("jit_handler","YAP_JIT").
output_rclause(C) :-
setof(T,O^op(T,O),Types),
member(T, Types),
output_type(T, C),
fail.
output_rclause(_).
output_type(T, C) :-
format(C,' /* instructions type ~s */~n',[T]),
setof(Op,op(T,Op),Ops),
dump_ops(C,Ops),
output_typeinfo(C,T).
output_typeinfo(C,T) :-
tinfo(T, Info),
dump_fields(C,Info,T,T),
special_formats(C,T), !,
format(C,' pc = NEXTOP(pc,~s);
break;~n',[T]).
output_typeinfo(_,_).
% tables require access to the table info.
special_formats(C,"e") :- !,
format(C,' if (op == _Nstop || op == _copy_idb_term || op == _unify_idb_term) return;~n',[]).
special_formats(C,"l") :- !,
format(C,' if (op == _Ystop) return;~n',[]).
special_formats(C,"sssl") :- !,
format(C,' AdjustSwitchTable(op, pc->y_u.sssl.l, pc->y_u.sssl.s);~n',[]).
special_formats(C,"Illss") :- !,
format(C,' opc = NEXTOP(pc,Illss);
pc = pc->y_u.Illss.l1;
break;~n',[]),
% don't go to NEXTOP
fail.
special_formats(C,"OtaLl") :- !,
format(C,' pc = pc->y_u.OtaLl.n;
break;~n',[]),
% don't go to NEXTOP
fail.
special_formats(C,"OtILl") :- !,
format(C,' pc = opc;
break;~n',[]),
% don't go to NEXTOP
fail.
special_formats(_,_).
dump_fields(_,[],"e",_).
dump_fields(_,[],[],_).
dump_fields(C,[I-_|Info],[O|Ops],T) :- !,
dump_field(C,I,O,T),
dump_fields(C,Info,Ops,T).
dump_fields(C,[_|Info],Ops,T) :-
dump_fields(C,Info,Ops,T).
dump_field(C,I,O,T) :-
rewritable_field(O), !,
get_op(O,A),
format(C,' ~sAdjust(pc->y_u.~s.~s);~n',[A,T,I]).
dump_field(C,I,O,T) :-
get_op(O,A),
format(C,' pc->y_u.~s.~s = ~sAdjust(pc->y_u.~s.~s);~n',[T,I,A,T,I]).
rewritable_field(0'd).
rewritable_field(0'i).
rewritable_field(0'O).
rewritable_field(0't).
get_op(0'a,"Arity").
get_op(0'A,"Atom").
get_op(0'b,"CellPtoHeap").
get_op(0'c,"ConstantTerm").
get_op(0'd,"DoubleInCode").
get_op(0'D,"DBGroundTerm").
get_op(0'f,"Func").
get_op(0'F,"ExternalFunction").
get_op(0'i,"IntegerInCode").
get_op(0'j,"JITCode").
get_op(0'I,"PtoLUIndex").
get_op(0'l,"PtoOp").
get_op(0'L,"PtoLUClause").
get_op(0'm,"Module").
get_op(0'n,"Integer").
get_op(0'N,"BlobTermInCode").
get_op(0'o,"Opcode").
get_op(0'O,"OrArg").
get_op(0'p,"PtoPred").
get_op(0's,"Constant").
get_op(0't,"TabEntry").
get_op(0'u,"BlobTermInCode").
get_op(0'x,"X").
get_op(0'y,"Y").
% '
dump_ops(_,[]).
dump_ops(C,[Op|Ops]) :-
dump_op(C,Op),
dump_ops(C,Ops).
dump_op(C,Op) :-
special(Op,C),
format(C,' case _~s:~n',[Op]),
end_special(Op,C).
output_walk_clause(L) :-
setof(T,O^op(T,O),Types),
member(T, Types),
output_walk_type(T, L),
fail.
output_walk_clause(_).
%
% Walk the absmi code looking for the current predicate,
% the current beginning and the current end of the clause.
% This goes by skipping ops until we find a op which knows where the
% clause starts. Usually this is Ystop.
% We also take pains to stop and check if we find out the current predicate.
% Some instructions know it.
%
% Most instructions should not care less about what happens here!
%
output_walk_type(T, C) :-
format(C,' /* instructions type ~s */~n',[T]),
setof(Op,op(T,Op),Ops0),
split_ops(Ops0,Ops1,Ops2),
( split_ops1(T, Ops1, Ops) ; Ops2 = Ops ),
Ops = [_|_],
% first send the header
dump_ops(C,Ops),
% then the code for every instruction with this header.
output_walk(C,T,Ops).
% separate a special group of instructions, that operate differentely from the
% rest of the format.
split_ops([],[],[]).
split_ops([Op|Ops0],[Op|Ops1],Ops2) :-
special_walk_op(Op), !,
split_ops(Ops0,Ops1,Ops2).
split_ops([Op|Ops0],[Op|Ops1],Ops2) :-
c_call_op(Op), !,
split_ops(Ops0,Ops1,Ops2).
split_ops([Op|Ops0],Ops1,[Op|Ops2]) :-
split_ops(Ops0,Ops1,Ops2).
split_ops1("e", Ops, [M]) :- !,
member(M, Ops).
split_ops1("Osbpp", Ops, [M]) :- !,
member(M, Ops).
split_ops1(_, Ops, Ops).
% instructions which require special treatment, relative to
% other instructions with the same format
special_walk_op("p_execute").
special_walk_op("p_execute2").
special_walk_op("p_execute_tail").
special_walk_op("procceed").
special_walk_op("lock_lu").
special_walk_op("Nstop").
special_walk_op("Ystop").
special_walk_op("expand_index").
special_walk_op("undef_p").
special_walk_op("spy_pred").
special_walk_op("index_pred").
special_walk_op("lock_pred").
special_walk_op("op_fail").
special_walk_op("trust_fail").
special_walk_op("unify_idb_term").
special_walk_op("copy_idb_term").
c_call_op("call_cpred").
c_call_op("call_usercpred").
c_call_op("execute_cpred").
c_call_op("call_c_wfail").
% I field gives direct access to LU index block and to all Pred information
output_walk(C,"Illss",_) :- !,
format(C,' return walk_got_lu_block(pc->y_u.Illss.I, startp, endp);~n',[]).
output_walk(C,"OtILl",_) :- !,
format(C,' return walk_got_lu_block(pc->y_u.OtILl.block, startp, endp);~n',[]).
% I field gives direct access to LU index clause and to all Pred information
output_walk(C,"L",_) :- !,
format(C,' return walk_got_lu_clause(pc->y_u.L.ClBase, startp, endp);~n',[]).
% we cannot jump to clause code.
output_walk(C,"OtaLl",_) :- !,
format(C,' pc = pc->y_u.OtaLl.n;~n break;~n',[]).
% ops which point at the clause's predicate.
output_walk(C,"Osblp",_) :- !,
label_in_clause(C,"Osblp","p0").
output_walk(C,"Osbpp",[Op|_]) :-
c_call_op(Op), !,
walk_to_c_code(C,"Osbpp","p").
output_walk(C,"slpp",[Op|_]) :-
c_call_op(Op), !,
walk_to_c_code(C,"slpp","p").
output_walk(C,"Osbpp",[Op|_]) :-
special_walk_op(Op), !,
walk_to_meta_call(C).
output_walk(C,"Osbpp",_) :- !,
label_in_clause(C,"Osbpp","p0").
output_walk(C,"OtapFs",_) :- !,
label_in_clause(C,"OtapFs","p").
output_walk(C,"Otapl",_) :- !,
label_in_index(C,"Otapl","p").
output_walk(C,"p",["retry_profiled"|_]) :- !,
add_pi(C,"p","p"),
format(C,' break;~n',[]).
output_walk(C,"p",[Op|_]) :-
special_walk_op(Op), !,
add_pp(C,"p","p"),
format(C,' break;~n',[]).
output_walk(C,"e",[Op|Ops]) :-
special_walk_op(Op), !, % Nstop and friends
output_ewalks(C,[Op|Ops]).
output_walk(C,"sssllp",[Op|Ops]) :-
format(C,' return found_expand_index(pc, startp, endp, codeptr PASS_REGS);~n',[]),
output_ewalks(C,[Op|Ops]).
output_walk(C,"l",[Op|_]) :-
special_walk_op(Op), !, % IDB
format(C,' return found_ystop(pc, clause_code, startp, endp, pp PASS_REGS);~n',[]).
output_walk(C,T,_) :-
format(C,' pc = NEXTOP(pc,~s);
break;~n',[T]).
% There are so many weird empty instructions that we process
% each one separately.
output_ewalks(_,[]).
output_ewalks(C,["Nstop"|Ops]) :-
format(C,' return NULL;~n',[]),
output_ewalks(C,Ops).
output_ewalks(C,["unify_idb_term"|Ops]) :-
format(C,' return found_idb_clause(pc, startp, endp);~n',[]),
output_ewalks(C,Ops).
output_ewalks(C,["copy_idb_term"|Ops]) :-
format(C,' return found_idb_clause(pc, startp, endp);~n',[]),
output_ewalks(C,Ops).
output_ewalks(C,["undef_p"|Ops]) :-
format(C,' return found_owner_op(pc, startp, endp PASS_REGS);~n',[]),
output_ewalks(C,Ops).
output_ewalks(C,["spy_pred"|Ops]) :-
format(C,' return found_owner_op(pc, startp, endp PASS_REGS);~n',[]),
output_ewalks(C,Ops).
output_ewalks(C,["expand_index"|Ops]) :-
format(C,' return found_expand(pc, startp, endp PASS_REGS);~n',[]),
output_ewalks(C,Ops).
output_ewalks(C,["index_pred"|Ops]) :-
format(C,' return found_owner_op(pc, startp, endp PASS_REGS);~n',[]),
output_ewalks(C,Ops).
output_ewalks(C,["lock_pred"|Ops]) :-
format(C,' return found_owner_op(pc, startp, endp PASS_REGS);~n',[]),
output_ewalks(C,Ops).
output_ewalks(C,["op_fail"|Ops]) :-
format(C,' if (codeptr == FAILCODE)
return found_fail(pc, startp, endp PASS_REGS);~n',[]),
format(C,' pc = NEXTOP(pc,~s);
break;~n',["e"]),
output_ewalks(C,Ops).
output_ewalks(C,["trust_fail"|Ops]) :-
format(C,' if (codeptr == TRUSTFAILCODE)
return found_fail(pc, startp, endp PASS_REGS);~n',[]),
format(C,' pc = NEXTOP(pc,~s);
break;~n',["e"]),
output_ewalks(C,Ops).
label_in_clause(C,Type,Field) :-
format(C,' clause_code = TRUE;~n',[]),
format(C,' pp = pc->y_u.~s.~s;~n',[Type,Field]),
format(C,' pc = NEXTOP(pc,~s);
break;~n',[Type]).
label_in_index(C,Type,Field) :-
format(C,' clause_code = FALSE;~n',[]),
format(C,' pp = pc->y_u.~s.~s;~n',[Type,Field]),
format(C,' pc = NEXTOP(pc,~s);
break;~n',[Type]).
add_pi(C,Type,Field) :-
format(C,' pp = pc->y_u.~s.~s;~n',[Type,Field]),
format(C,' clause_code = FALSE;~n',[]),
format(C,' pc = NEXTOP(pc,~s);~n',[Type]).
add_pp(C,Type,Field) :-
format(C,' pp = pc->y_u.~s.~s;~n',[Type,Field]),
format(C,' if (pp->PredFlags & MegaClausePredFlag)~n',[]),
format(C,' return found_mega_clause(pp, startp, endp);~n',[]),
format(C,' clause_code = TRUE;~n',[]),
format(C,' pc = NEXTOP(pc,~s);~n',[Type]).
walk_to_meta_call(C) :-
format(C,' return found_meta_call(startp, endp);~n',[]).
walk_to_c_code(C,Type,Field) :-
format(C,' pp = pc->y_u.~s.~s;~n',[Type,Field]),
format(C,' return walk_found_c_pred(pp, startp, endp);~n',[]).
%
% find region
% tries to find out what an instruction touches in the body
% of a clause
%
output_find_clause(L) :-
setof(T:Op,op(T,Op),Ops),
member(T:Op, Ops),
output_find_op(Op, T, L),
fail.
output_find_clause(_).
output_find_op(Op, T, L) :-
opinfo(Op, Actions),
dump_op(L,Op),
dump_actions(Actions, Op, T, L).
dump_actions([], _, T, L) :-
format(L,' cl = NEXTOP(cl,~s);~n',[T]),
format(L,' break;~n',[]).
dump_actions([A|Actions], Op, T, L) :-
dump_action(A, Op, T, L),
dump_actions(Actions, Op, T, L).
% conditional jumps can
dump_action(body, _, _, _).
dump_action(ifthenelse, _, T, L) :-
format(L,' if (cl->y_u.~s.F != FAILCODE) {
clause->Tag = (CELL)NULL;
return;
}~n', [T]).
dump_action(bind(Who,What,Extra), _, T, L) :-
integer(Who), !,
handle_bind_extra(Extra, T, Command),
handle_constant(What, T, Constant),
check_atom_dbref(What, Constant, ExtraAction),
format(L,' if (is_regcopy(myregs, nofregs, Yap_regnotoreg(~d))) {
~sclause->Tag = ~s;~s
return;
}~n', [Who, ExtraAction, Constant, Command]).
dump_action(bind(Who,What,Extra), _, T, L) :-
handle_bind_extra(Extra, T, Command),
handle_constant(What, T, Constant),
check_atom_dbref(What, Constant, ExtraAction),
format(L,' if (is_regcopy(myregs, nofregs, cl->y_u.~s.~s)) {
~sclause->Tag = ~s;~s
return;
}~n', [T, Who, ExtraAction, Constant, Command]).
dump_action(new(Who), _, T, L) :-
format(L,' if (!(nofregs = delete_regcopy(myregs, nofregs, cl->y_u.~s.~s))) {
clause->Tag = (CELL)NULL;
return;
}~n', [T,Who]).
dump_action(dup(Who1,Who2), _, T, L) :-
format(L,' if (!(nofregs = add_regcopy(myregs, nofregs, cl->y_u.~s.~s, cl->y_u.~s.~s))) {
clause->Tag = (CELL)NULL;
return;
}~n', [T,Who1,T,Who2]).
dump_action(unify(Who1,Who2), _, T, L) :-
format(L,' if (!(nofregs = link_regcopies(myregs, nofregs, cl->y_u.~s.~s, cl->y_u.~s.~s))) {
clause->Tag = (CELL)NULL;
return;
}~n', [T,Who1,T,Who2]).
dump_action(logical, _, _, L) :-
format(L,' if (regno == 2) {
LogUpdClause *lcl = ClauseCodeToLogUpdClause(cl);
Term t = lcl->lusl.ClSource->Entry;
if (!(lcl->ClFlags & FactMask)) {
if (IsVarTerm(t)) {
clause->Tag = (CELL)NULL;
} else if (IsApplTerm(t)) {
CELL *pt = RepAppl(t);
clause->Tag = AbsAppl((CELL *)pt[0]);
clause->ucd.c_sreg = pt;
} else if (IsPairTerm(t)) {
CELL *pt = RepPair(t);
clause->Tag = AbsPair(NULL);
clause->ucd.c_sreg = pt-1;
} else {
clause->Tag = t;
}
}
} else {
clause->Tag = (CELL)NULL;
}
return;~n', []).
%
% atoms may actually be dbrefs :(
check_atom_dbref(Constant, What, ExtraAction) :-
Constant = [0'c|_], !, %0'c
format_to_chars("if (IsApplTerm(~s)) {
CELL *pt = RepAppl(~s);
clause->Tag = AbsAppl((CELL *)pt[0]);
clause->ucd.t_ptr = ~s;
} else
",[What,What,What], ExtraAction).
check_atom_dbref(_, _, "").
handle_bind_extra([], _, "").
handle_bind_extra(t_ptr=[], _,S) :- !,
format_to_chars("~n clause->ucd.t_ptr = (CELL)NULL;",[],S).
handle_bind_extra(t_ptr=F, Type, S) :-
format_to_chars("~n clause->ucd.t_ptr = AbsAppl(cl->y_u.~s.~s);",[Type,F],S).
handle_bind_extra(workpc=nextop, T,S) :-
format_to_chars("~n clause->ucd.WorkPC = NEXTOP(cl,~s);",[T],S).
handle_bind_extra(workpc=currentop, _,S) :-
format_to_chars("~n clause->ucd.WorkPC = cl;",[],S).
handle_constant(What, T, Const) :-
What = [C|_],
(
C == 0'A % 0'Abs
->
Const = What
;
C == 0'( % 0'(
->
Const = What
;
format_to_chars("cl->y_u.~s.~s",[T,What],Const)
).
%
% find head, works much faster by not looking inside
% tries to find out what an instruction touches in the body
% of a clause
%
output_head_clause(L) :-
setof(T:Op,op(T,Op),Ops),
member(T:Op, Ops),
output_head_op(Op, T, L),
fail.
output_head_clause(_).
output_head_op(Op, T, L) :-
opinfo(Op, Actions),
\+ member(body, Actions),
dump_op(L,Op),
dump_head_actions(Actions, Op, T, L).
dump_head_actions([], _, T, L) :-
format(L,' cl = NEXTOP(cl,~s);~n',[T]),
format(L,' break;~n',[]).
dump_head_actions([A|Actions], Op, T, L) :-
dump_head_action(A, Op, T, L),
dump_head_actions(Actions, Op, T, L).
% only simple stuff
dump_head_action(bind(Who,_,_), _, _, _) :- Who = [0'y|_], !. % 0'y
dump_head_action(bind(Who,What,Extra), _, T, L) :-
integer(Who), !,
handle_bind_extra(Extra, T, Command),
handle_constant(What, T, Constant),
check_atom_dbref(What, Constant, ExtraAction),
format(L,' if (iarg == Yap_regnotoreg(~d)) {
~sclause->Tag = ~s;~s
return;
}~n', [Who,ExtraAction,Constant,Command]).
dump_head_action(bind(Who,What,Extra), _, T, L) :-
handle_constant(What, T, Constant),
handle_bind_extra(Extra, T, Command),
check_atom_dbref(What, Constant, ExtraAction),
format(L,' if (iarg == cl->y_u.~s.~s) {
~sclause->Tag = ~s;~s
return;
}~n', [T,Who,ExtraAction,Constant,Command]).
dump_head_action(new(Who), _, _, _) :- Who = [0'y|_], !. % 0'y done
dump_head_action(new(Who), _, T, L) :-
format(L,' if (iarg == cl->y_u.~s.~s) {
clause->Tag = (CELL)NULL;
return;
}~n', [T,Who]).
dump_head_action(dup(Who1,Who2), _, T, L) :- Who1 = [0'y|_], !, % 0'y done
format(L,' if (cl->y_u.~s.~s == iarg) {
clause->Tag = (CELL)NULL;
return;
}~n', [T,Who2]).
dump_head_action(dup(Who1,Who2), _, T, L) :- Who2 = [0'y|_], !, % 0'y done
format(L,' if (cl->y_u.~s.~s == iarg) {
clause->Tag = (CELL)NULL;
return;
}~n', [T,Who1]).
dump_head_action(dup(Who1,Who2), _, T, L) :-
format(L,' if (cl->y_u.~s.~s == iarg ||
cl->y_u.~s.~s == iarg) {
clause->Tag = (CELL)NULL;
return;
}~n', [T,Who1,T,Who2]).
dump_head_action(unify(Who1,Who2), _, T, L) :- Who1 = [0'y|_], !, % 0'y done
format(L,' if (cl->y_u.~s.~s == iarg) {
clause->Tag = (CELL)NULL;
return;
}~n', [T,Who2]).
dump_head_action(unify(Who1,Who2), _, T, L) :- Who2 = [0'y|_], !, % 0'y done
format(L,' if (cl->y_u.~s.~s == iarg) {
clause->Tag = (CELL)NULL;
return;
}~n', [T,Who1]).
dump_head_action(unify(Who1,Who2), _, T, L) :-
format(L,' if (cl->y_u.~s.~s == iarg ||
cl->y_u.~s.~s == iarg) {
clause->Tag = (CELL)NULL;
return;
}~n', [T,Who1,T,Who2]).
dump_head_action(logical, _, _, L) :-
format(L,' if (regno != 2) {
clause->Tag = (CELL)NULL;
} else {
LogUpdClause *lcl = ClauseCodeToLogUpdClause(cl);
Term t = lcl->lusl.ClSource->Entry;
if (!(lcl->ClFlags & FactMask)) {
if (IsVarTerm(t)) {
clause->Tag = (CELL)NULL;
} else if (IsApplTerm(t)) {
CELL *pt = RepAppl(t);
clause->Tag = AbsAppl((CELL *)pt[0]);
if (IsExtensionFunctor(FunctorOfTerm(t))) {
clause->ucd.t_ptr = t;
} else {
clause->ucd.c_sreg = pt;
}
} else if (IsPairTerm(t)) {
CELL *pt = RepPair(t);
clause->Tag = AbsPair(NULL);
clause->ucd.c_sreg = pt-1;
} else {
clause->Tag = t;
}
}
}
return;~n', []).
/* or_last requires special handling */
footer(W) :-
format(W,' /* this instruction is hardwired */~n',[]),
format(W,' /* or_last must be the last instruction. */~n',[]),
format(W,'#ifdef YAPOR~n',[]),
format(W,' OPCODE(~s~36+,~s),~n',["or_last","sblp"]),
format(W,'#else~n',[]),
format(W,' OPCODE(~s~36+,~s),~n',["or_last","p"]),
format(W,'#endif~n',[]).
footer_rclause(W) :-
format(W,' /* this instruction is hardwired */~n',[]),
dump_ops(W,["or_last"]),
format(W,'#ifdef YAPOR~n',[]),
output_typeinfo(W,"Osblp"),
format(W,'#else~n',[]),
output_typeinfo(W,"p"),
format(W,'#endif~n',[]),
format(W,' }
} while (TRUE);
}
',[]).
footer_walk_clause(W) :-
format(W,' /* this instruction is hardwired */~n',[]),
dump_ops(W,["or_last"]),
format(W,'#ifdef YAPOR~n',[]),
add_pp(W,"Osblp","p0"),
format(W,'#else~n',[]),
add_pp(W,"p","p"),
format(W,'#endif~n',[]),
format(W,' }
}
',[]).
footer_find_clause(W) :-
format(W,'default:
clause->Tag = (CELL)NULL;
return;
}
}~n',[]).
footer_save_clause(S) :-
format(S,'default:
return -1;
}
}~n',[]).
get_field_names(F) :-
open(F, read, A),
loop_for_fields(A),
close(A).
loop_for_fields(A) :-
read_line_to_codes(A,"typedef struct yami {"), !,
loop_for_fields_go(A).
loop_for_fields(A) :-
loop_for_fields(A).
loop_for_fields_go(A) :-
read_line_to_codes(A,_),
read_line_to_codes(A,_),
read_field_by_field(A).
read_field_by_field(A) :-
read_line_to_codes(A,L),
split(L," ",Statement),
read_field_by_field(A,Statement).
read_field_by_field(_,["}","y_u;"]) :- !.
read_field_by_field(A,["struct","{"]) :- !,
read_fields(A,Fields,Type),
assert(tinfo(Type,Fields)),
read_field_by_field(A).
read_field_by_field(A,_) :-
read_field_by_field(A).
read_fields(A,Fields,Type) :-
read_line_to_codes(A,L),
split(L," ;*[",Statements0),
clean_statements(Statements0, Statements),
( Statements = ["}",Type]
->
Fields = []
;
Statements = ["CELL","next"]
->
read_fields(A,Fields,Type)
;
Statements = ["/"|_]
->
read_fields(A,Fields,Type)
;
Statements = ["#ifdef",If]
->
retract(qual(_)),
assert(qual(If)),
read_fields(A,Fields,Type)
;
Statements = ["#if",If]
->
retract(qual(_)),
assert(qual(If)),
read_fields(A,Fields,Type)
;
Statements = ["#endif"|_]
->
retract(qual(_)),
assert(qual("none")),
read_fields(A,Fields,Type)
;
Statements = [_,F|_],
qual(Qual),
Fields = [F-Qual|More],
read_fields(A,More,Type)
).
clean_statements(["struct"|Statements0], StatementsF) :- !,
clean_statements(Statements0, StatementsF).
clean_statements(["unsigned"|Statements0], StatementsF) :- !,
clean_statements(Statements0, StatementsF).
clean_statements(Statements, Statements).
%
% Notice that order matters: for example ifthenelse should be tested before a bind
%
opinfo("p_number_x",[body,ifthenelse,bind("x","(_number+1)*sizeof(CELL)",t_ptr=[])]).
opinfo("p_number_y",[body,ifthenelse,bind("y","(_number+1)*sizeof(CELL)",t_ptr=[])]).
opinfo("p_atomic_x",[body,ifthenelse,bind("x","(_atomic+1)*sizeof(CELL)",t_ptr=[])]).
opinfo("p_atomic_y",[body,ifthenelse,bind("y","(_atomic+1)*sizeof(CELL)",t_ptr=[])]).
opinfo("p_primitive_x",[body,ifthenelse,bind("x","(_primitive+1)*sizeof(CELL)",t_ptr=[])]).
opinfo("p_primitive_y",[body,ifthenelse,bind("y","(_primitive+1)*sizeof(CELL)",t_ptr=[])]).
opinfo("p_compound_x",[body,ifthenelse,bind("x","(_compound+1)*sizeof(CELL)",t_ptr=[])]).
opinfo("p_compound_y",[body,ifthenelse,bind("y","(_compound+1)*sizeof(CELL)",t_ptr=[])]).
opinfo("p_atom_x",[body,ifthenelse,bind("x","(_atom+1)*sizeof(CELL)",t_ptr=[])]).
opinfo("p_atom_y",[body,ifthenelse,bind("y","(_atom+1)*sizeof(CELL)",t_ptr=[])]).
opinfo("p_integer_x",[body,ifthenelse,bind("x","(_integer+1)*sizeof(CELL)",t_ptr=[])]).
opinfo("p_integer_y",[body,ifthenelse,bind("y","(_integer+1)*sizeof(CELL)",t_ptr=[])]).
opinfo("p_float_x",[body,ifthenelse,bind("x","AbsAppl((CELL *)FunctorDouble)",t_ptr=[])]).
opinfo("p_float_y",[body,ifthenelse,bind("y","AbsAppl((CELL *)FunctorDouble)",t_ptr=[])]).
opinfo("p_db_ref_x",[body,ifthenelse,bind("x","AbsAppl((CELL *)FunctorDBRef)",t_ptr=[])]).
opinfo("p_db_ref_y",[body,ifthenelse,bind("y","AbsAppl((CELL *)FunctorDBRef)",t_ptr=[])]).
opinfo("p_var_x",[body,ifthenelse,bind("x","(_var+1)*sizeof(CELL)",t_ptr=[])]).
opinfo("p_var_y",[body,ifthenelse,bind("y","(_var+1)*sizeof(CELL)",t_ptr=[])]).
opinfo("p_nonvar_x",[body,ifthenelse]).
opinfo("p_nonvar_y",[body,ifthenelse]).
opinfo("save_b_x",[body,new("x")]).
opinfo("save_b_y",[body,new("y")]).
opinfo("ensure_space",[]).
opinfo("lock_lu",[body]).
opinfo("unlock_lu",[]).
opinfo("write_x_loc",[body]).
opinfo("write_x_var",[body,new("x")]).
opinfo("write_y_var",[body,new("y")]).
opinfo("write_y_val",[body]).
opinfo("write_y_loc",[body]).
opinfo("get_x_var",[dup("xr","xl")]).
opinfo("get_y_var",[dup("x","y")]).
opinfo("get_yy_var",[dup("x1","y1"),dup("x2","y2")]).
opinfo("put_x_var",[new("xl"),new("xr")]).
opinfo("put_y_var",[new("x"),new("y")]).
opinfo("get_x_val",[unify("xl","xr")]).
opinfo("get_y_val",[unify("x","y")]).
opinfo("put_x_val",[dup("xl","xr")]).
opinfo("put_y_val",[dup("y","x")]).
opinfo("put_unsafe",[dup("y","x")]).
opinfo("put_xx_val",[dup("xl1","xr1"),dup("xl2","xr2")]).
opinfo("glist_valx",[bind("xl","AbsPair(NULL)",workpc=currentop)]).
opinfo("get_atom",[bind("x","c",[])]).
opinfo("get_list",[bind("x","AbsPair(NULL)",workpc=nextop)]).
opinfo("glist_valy",[bind("x","AbsPair(NULL)",workpc=currentop)]).
opinfo("gl_void_valx",[bind("xl","AbsPair(NULL)",workpc=currentop)]).
opinfo("gl_void_valy",[bind("y","AbsPair(NULL)",workpc=currentop)]).
opinfo("gl_void_varx",[bind("xl","AbsPair(NULL)",workpc=currentop),new("xr")]).
opinfo("gl_void_vary",[bind("y","AbsPair(NULL)",workpc=currentop),new("y")]).
opinfo("get_struct",[bind("x","AbsAppl((CELL *)cl->y_u.xfa.f)",workpc=nextop)]).
opinfo("get_float",[bind("x","AbsAppl((CELL *)FunctorDouble)",t_ptr="d")]).
opinfo("get_longint",[bind("x","AbsAppl((CELL *)FunctorLongInt)",t_ptr="i")]).
opinfo("get_string",[bind("x","AbsAppl((CELL *)FunctorString)",t_ptr=[])]).
opinfo("get_bigint",[bind("x","AbsAppl((CELL *)FunctorBigInt)",t_ptr=[])]).
opinfo("copy_idb_term",[logical]).
opinfo("unify_idb_term",[logical]).
opinfo("put_atom",[new("x")]).
opinfo("put_dbterm",[new("x")]).
opinfo("put_bigint",[new("x")]).
opinfo("put_float",[new("x")]).
opinfo("put_longint",[new("x")]).
opinfo("put_string",[new("x")]).
opinfo("put_list",[new("x")]).
opinfo("put_struct",[new("x")]).
opinfo("get_2atoms",[bind(1,"c1",[]),
bind(2,"c2",[])]).
opinfo("get_3atoms",[bind(1,"c1",[]),
bind(2,"c2",[]),
bind(3,"c3",[])]).
opinfo("get_4atoms",[bind(1,"c1",[]),
bind(2,"c2",[]),
bind(3,"c3",[]),
bind(4,"c4",[])]).
opinfo("get_5atoms",[bind(1,"c1",[]),
bind(2,"c2",[]),
bind(3,"c3",[]),
bind(4,"c4",[]),
bind(5,"c5",[])]).
opinfo("get_6atoms",[bind(1,"c1",[]),
bind(2,"c2",[]),
bind(3,"c3",[]),
bind(4,"c4",[]),
bind(5,"c5",[]),
bind(6,"c6",[])]).
opinfo("unify_x_var",[new("x")]).
opinfo("unify_x_var_write",[new("x")]).
opinfo("unify_l_x_var",[new("x")]).
opinfo("unify_l_x_var_write",[new("x")]).
opinfo("unify_y_var",[new("y")]).
opinfo("unify_y_var_write",[new("y")]).
opinfo("unify_l_y_var",[new("y")]).
opinfo("unify_l_y_var_write",[new("y")]).
opinfo("save_pair_x_write",[new("x")]).
opinfo("save_pair_x",[new("x")]).
opinfo("save_appl_x_write",[new("x")]).
opinfo("save_appl_x",[new("x")]).
opinfo("save_pair_y_write",[new("y")]).
opinfo("save_pair_y",[new("y")]).
opinfo("save_appl_y_write",[new("y")]).
opinfo("save_appl_y",[new("y")]).
opinfo("unify_x_var2",[new("xl"),new("xr")]).
opinfo("unify_x_var2_write",[new("xl"),new("xr")]).
opinfo("unify_l_x_var2",[new("xl"),new("xr")]).
opinfo("unify_l_x_var2_write",[new("xl"),new("xr")]).
opinfo("p_plus_vv",[body,new("x")]).
opinfo("p_plus_vc",[body,new("x")]).
opinfo("p_minus_vv",[body,new("x")]).
opinfo("p_minus_vc",[body,new("x")]).
opinfo("p_times_vv",[body,new("x")]).
opinfo("p_times_vc",[body,new("x")]).
opinfo("p_div_vv",[body,new("x")]).
opinfo("p_div_vc",[body,new("x")]).
opinfo("p_div_cv",[body,new("x")]).
opinfo("p_and_vv",[body,new("x")]).
opinfo("p_and_vc",[body,new("x")]).
opinfo("p_or_vv",[body,new("x")]).
opinfo("p_or_vc",[body,new("x")]).
opinfo("p_sll_vv",[body,new("x")]).
opinfo("p_sll_vc",[body,new("x")]).
opinfo("p_sll_cv",[body,new("x")]).
opinfo("p_slr_vv",[body,new("x")]).
opinfo("p_slr_vc",[body,new("x")]).
opinfo("p_slr_cv",[body,new("x")]).
opinfo("p_arg_vv",[body,new("x")]).
opinfo("p_arg_cv",[body,new("x")]).
opinfo("p_func2s_vv",[body,new("x")]).
opinfo("p_func2s_vc",[body,new("x")]).
opinfo("p_func2s_cv",[body,new("x")]).
opinfo("p_func2f_vv",[body,new("x")]).
opinfo("p_func2f_xx",[body,new("x")]).
opinfo("p_func2f_xy",[body,new("x")]).
opinfo("p_plus_y_vv",[body,new("y")]).
opinfo("p_plus_y_vc",[body,new("y")]).
opinfo("p_minus_y_vv",[body,new("y")]).
opinfo("p_minus_y_vc",[body,new("y")]).
opinfo("p_times_y_vv",[body,new("y")]).
opinfo("p_times_y_vc",[body,new("y")]).
opinfo("p_div_y_vv",[body,new("y")]).
opinfo("p_div_y_vc",[body,new("y")]).
opinfo("p_div_y_cv",[body,new("y")]).
opinfo("p_and_y_vv",[body,new("y")]).
opinfo("p_and_y_vc",[body,new("y")]).
opinfo("p_or_y_vv",[body,new("y")]).
opinfo("p_or_y_vc",[body,new("y")]).
opinfo("p_sll_y_vv",[body,new("y")]).
opinfo("p_sll_y_vc",[body,new("y")]).
opinfo("p_sll_y_cv",[body,new("y")]).
opinfo("p_slr_y_vv",[body,new("y")]).
opinfo("p_slr_y_vc",[body,new("y")]).
opinfo("p_slr_y_cv",[body,new("y")]).
opinfo("p_arg_y_vv",[body,new("y")]).
opinfo("p_arg_y_cv",[body,new("y")]).
opinfo("p_func2s_y_vv",[body,new("y")]).
opinfo("p_func2s_y_vc",[body,new("y")]).
opinfo("p_func2s_y_cv",[body,new("y")]).
opinfo("p_func2f_yx",[body,new("y")]).
opinfo("p_func2f_yy",[body,new("x")]).
opinfo("put_fi_var_x",[body,new("x")]).
opinfo("put_i_var_x",[body,new("x")]).
opinfo("put_f_var_x",[body,new("x")]).
opinfo("put_fi_var_y",[body,new("y")]).
opinfo("put_i_var_y",[body,new("y")]).
opinfo("put_f_var_y",[body,new("y")]).
opinfo("allocate",[body]).
opinfo("write_void",[body]).
opinfo("write_list",[body]).
opinfo("write_l_list",[body]).
opinfo("enter_a_profiling",[body]).
opinfo("count_a_call",[body]).
opinfo("unify_x_val_write",[]).
opinfo("unify_x_val",[]).
opinfo("unify_l_x_val_write",[]).
opinfo("unify_l_x_val",[]).
opinfo("unify_x_loc_write",[]).
opinfo("unify_x_loc",[]).
opinfo("unify_l_x_loc_write",[]).
opinfo("unify_l_x_loc",[]).
opinfo("unify_y_val_write",[]).
opinfo("unify_y_val",[]).
opinfo("unify_l_y_val_write",[]).
opinfo("unify_l_y_val",[]).
opinfo("unify_y_loc_write",[]).
opinfo("unify_y_loc",[]).
opinfo("unify_l_y_loc_write",[]).
opinfo("unify_l_y_loc",[]).
opinfo("unify_void",[]).
opinfo("unify_void_write",[]).
opinfo("unify_l_void",[]).
opinfo("unify_l_void_write",[]).
opinfo("unify_n_voids",[]).
opinfo("unify_n_voids_write",[]).
opinfo("unify_l_n_voids",[]).
opinfo("unify_l_n_voids_write",[]).
opinfo("write_n_voids",[body]).
opinfo("unify_list",[]).
opinfo("unify_list_write",[]).
opinfo("unify_l_list",[]).
opinfo("unify_l_list_write",[]).
opinfo("unify_atom",[]).
opinfo("unify_atom_write",[]).
opinfo("unify_l_atom",[]).
opinfo("unify_l_atom_write",[]).
opinfo("write_atom",[body]).
opinfo("unify_n_atoms",[]).
opinfo("unify_n_atoms_write",[]).
opinfo("unify_l_n_atoms",[]).
opinfo("unify_l_n_atoms_write",[]).
opinfo("write_n_atoms",[body]).
opinfo("unify_struct",[]).
opinfo("unify_struct_write",[]).
opinfo("unify_l_struc",[]).
opinfo("unify_l_struc_write",[]).
opinfo("write_struc",[body]).
opinfo("write_l_struc",[body]).
opinfo("unify_float",[]).
opinfo("unify_float_write",[]).
opinfo("unify_l_float",[]).
opinfo("unify_l_float_write",[]).
opinfo("write_float",[body]).
opinfo("unify_longint",[]).
opinfo("unify_longint_write",[]).
opinfo("unify_l_longint",[]).
opinfo("unify_l_longint_write",[]).
opinfo("write_longint",[body]).
opinfo("unify_bigint",[]).
opinfo("unify_bigint_write",[]).
opinfo("unify_l_bigint",[]).
opinfo("unify_l_bigint_write",[]).
opinfo("write_bigint",[body]).
opinfo("unify_string",[]).
opinfo("unify_string_write",[]).
opinfo("unify_l_string",[]).
opinfo("unify_l_string_write",[]).
opinfo("write_string",[body]).
opinfo("unify_dbterm",[]).
opinfo("unify_dbterm_write",[]).
opinfo("unify_l_dbterm",[]).
opinfo("unify_l_dbterm_write",[]).
opinfo("write_dbterm",[body]).
opinfo("pop",[]).
opinfo("pop_n",[]).
opinfo("eqc_float",[body]).
opinfo("ltc_float",[body]).
opinfo("gtc_float",[body]).
opinfo("eqc_int",[body]).
opinfo("ltc_int",[body]).
opinfo("gtc_int",[body]).
opinfo("a_eq",[body]).
opinfo("lt",[body]).
opinfo("add_float_c",[body]).
opinfo("sub_float_c",[body]).
opinfo("mul_float_c",[body]).
opinfo("fdiv_c1",[body]).
opinfo("fdiv_c2",[body]).
opinfo("add_int_c",[body]).
opinfo("sub_int_c",[body]).
opinfo("mul_int_c",[body]).
opinfo("idiv_c1",[body]).
opinfo("idiv_c2",[body]).
opinfo("mod_c1",[body]).
opinfo("mod_c2",[body]).
opinfo("rem_c1",[body]).
opinfo("rem_c2",[body]).
opinfo("a_or_c",[body]).
opinfo("a_and_c",[body]).
opinfo("xopr_c",[body]).
opinfo("sl_c1",[body]).
opinfo("sl_c2",[body]).
opinfo("sr_c1",[body]).
opinfo("sr_c2",[body]).
opinfo("add",[body]).
opinfo("sub",[body]).
opinfo("mul",[body]).
opinfo("fdiv",[body]).
opinfo("idiv",[body]).
opinfo("mod",[body]).
opinfo("rem",[body]).
opinfo("a_or",[body]).
opinfo("a_and",[body]).
opinfo("xor",[body]).
opinfo("uminus",[body]).
opinfo("sl",[body]).
opinfo("sr",[body]).
opinfo("get_fi_x",[body]).
opinfo("get_i_x",[body]).
opinfo("get_f_x",[body]).
opinfo("get_fi_y",[body]).
opinfo("get_i_y",[body]).
opinfo("get_f_y",[body]).
opinfo("put_fi_val_x",[body]).
opinfo("put_f_val_x",[body]).
opinfo("put_i_val_x",[body]).
opinfo("put_fi_val_y",[body]).
opinfo("put_f_val_y",[body]).
opinfo("put_i_val_y",[body]).
opinfo("call_bfunc_xx",[body]).
opinfo("call_bfunc_yx",[body]).
opinfo("call_bfunc_xy",[body]).
opinfo("call_bfunc_yy",[body]).
opinfo("run_eam",[body]).
opinfo("retry_eam",[body]).
opinfo("alloc_for_logical_pred",[body]).
opinfo("deallocate",[body]).
opinfo("table_try_single",[]).
opinfo("jit_handler",[]).
output_save_clause(S) :-
setof(T,O^op(T,O),Types),
member(T, Types),
output_save_type(S, T),
fail.
output_save_clause(_).
output_save_type(S, T) :-
%(T=="e" -> start_low_level_trace; true),
format(S,' /* instructions type ~s */~n',[T]),
setof(Op,op(T,Op),Ops),
dump_ops(S,Ops),
% then the code for every instruction with this header.
tinfo(T, Desc),
output_save(S, T, Desc, T),
(T=="e" -> stop_low_level_trace; true),
format(S,' pc = NEXTOP(pc,~s);~n',[T]),
format(S,' break;~n',[]).
output_save(S, "e", [], _) :-
format(S, " if (op == _Nstop || op == _copy_idb_term || op == _unify_idb_term) return 1;~n", []).
output_save(_, [], [], _).
output_save(S, [Name|Names], [Type|Types], Desc) :-
output_save_type(S, Name, Type, Desc),
output_save(S, Names, Types, Desc).
output_save_type(S, OpT, T-"none", Desc) :- !,
get_op(OpT, Name),
format(S, " CHECK(save_~s(stream, pc->y_u.~s.~s));~n", [Name, Desc, T]).
output_save_type(S, OpT, T-Def, Desc) :-
get_op(OpT, Name),
format(S, "#ifdef ~s~n CHECK(save_~s(stream, pc->y_u.~s.~s));~n#endif~n", [Def,Name, Desc, T]).
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