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-rw-r--r--lib/compiler/src/v3_kernel.erl72
1 files changed, 64 insertions, 8 deletions
diff --git a/lib/compiler/src/v3_kernel.erl b/lib/compiler/src/v3_kernel.erl
index 4a4900d0e1..6c8089e61d 100644
--- a/lib/compiler/src/v3_kernel.erl
+++ b/lib/compiler/src/v3_kernel.erl
@@ -272,6 +272,10 @@ expr(#c_cons{anno=A,hd=Ch,tl=Ct}, Sub, St0) ->
expr(#c_tuple{anno=A,es=Ces}, Sub, St0) ->
{Kes,Ep,St1} = atomic_list(Ces, Sub, St0),
{#k_tuple{anno=A,es=Kes},Ep,St1};
+expr(#c_map{anno=A,var=Var0,es=Ces}, Sub, St0) ->
+ {Var,[],St1} = expr(Var0, Sub, St0),
+ {Kes,Ep,St2} = map_pairs(Ces, Sub, St1),
+ {#k_map{anno=A,var=Var,es=Kes},Ep,St2};
expr(#c_binary{anno=A,segments=Cv}, Sub, St0) ->
try atomic_bin(Cv, Sub, St0) of
{Kv,Ep,St1} ->
@@ -493,6 +497,16 @@ translate_match_fail_1(Anno, As, Sub, #kern{ff=FF}) ->
translate_fc(Args) ->
[#c_literal{val=function_clause},make_list(Args)].
+%% FIXME: Not completed
+map_pairs(Es, Sub, St) ->
+ foldr(fun
+ (#c_map_pair{op=#c_literal{val=Op},key=K0,val=V0}, {Kes,Esp,St0}) when
+ Op =:= assoc; Op =:= exact -> %% assert Op
+ {K,[],St1} = expr(K0, Sub, St0),
+ {V,Ep,St2} = atomic(V0, Sub, St1),
+ {[#k_map_pair{op=Op,key=K,val=V}|Kes],Ep ++ Esp,St2}
+ end, {[],[],St}, Es).
+
%% call_type(Module, Function, Arity) -> call | bif | apply | error.
%% Classify the call.
call_type(#c_literal{val=M}, #c_literal{val=F}, Ar) when is_atom(M), is_atom(F) ->
@@ -648,6 +662,13 @@ pattern(#c_cons{anno=A,hd=Ch,tl=Ct}, Isub, Osub0, St0) ->
pattern(#c_tuple{anno=A,es=Ces}, Isub, Osub0, St0) ->
{Kes,Osub1,St1} = pattern_list(Ces, Isub, Osub0, St0),
{#k_tuple{anno=A,es=Kes},Osub1,St1};
+pattern(#c_map{anno=A,es=Ces}, Isub, Osub0, St0) ->
+ {Kes,Osub1,St1} = pattern_list(Ces, Isub, Osub0, St0),
+ {#k_map{anno=A,es=Kes},Osub1,St1};
+pattern(#c_map_pair{op=#c_literal{val=exact},anno=A,key=Ck,val=Cv},Isub, Osub0, St0) ->
+ {Kk,Osub1,St1} = pattern(Ck, Isub, Osub0, St0),
+ {Kv,Osub2,St2} = pattern(Cv, Isub, Osub1, St1),
+ {#k_map_pair{anno=A,op=exact,key=Kk,val=Kv},Osub2,St2};
pattern(#c_binary{anno=A,segments=Cv}, Isub, Osub0, St0) ->
{Kv,Osub1,St1} = pattern_bin(Cv, Isub, Osub0, St0),
{#k_binary{anno=A,segs=Kv},Osub1,St1};
@@ -1006,7 +1027,8 @@ match_con_1([U|_Us] = L, Cs, Def, St0) ->
%% Extract clauses for different constructors (types).
%%ok = io:format("match_con ~p~n", [Cs]),
Ttcs = select_types([k_binary], Cs) ++ select_bin_con(Cs) ++
- select_types([k_cons,k_tuple,k_atom,k_float,k_int,k_nil,k_literal], Cs),
+ select_types([k_cons,k_tuple,k_map,k_atom,k_float,k_int,
+ k_nil,k_literal], Cs),
%%ok = io:format("ttcs = ~p~n", [Ttcs]),
{Scs,St1} =
mapfoldl(fun ({T,Tcs}, St) ->
@@ -1242,10 +1264,9 @@ group_value(k_cons, Cs) -> [Cs]; %These are single valued
group_value(k_nil, Cs) -> [Cs];
group_value(k_binary, Cs) -> [Cs];
group_value(k_bin_end, Cs) -> [Cs];
-group_value(k_bin_seg, Cs) ->
- group_bin_seg(Cs);
-group_value(k_bin_int, Cs) ->
- [Cs];
+group_value(k_bin_seg, Cs) -> group_bin_seg(Cs);
+group_value(k_bin_int, Cs) -> [Cs];
+group_value(k_map, Cs) -> group_map(Cs);
group_value(_, Cs) ->
%% group_value(Cs).
Cd = foldl(fun (C, Gcs0) -> dict:append(clause_val(C), C, Gcs0) end,
@@ -1258,6 +1279,12 @@ group_bin_seg([C1|Cs]) ->
[[C1|More]|group_bin_seg(Rest)];
group_bin_seg([]) -> [].
+group_map([C1|Cs]) ->
+ V1 = clause_val(C1),
+ {More,Rest} = splitwith(fun (C) -> clause_val(C) =:= V1 end, Cs),
+ [[C1|More]|group_map(Rest)];
+group_map([]) -> [].
+
%% Profiling shows that this quadratic implementation account for a big amount
%% of the execution time if there are many values.
% group_value([C|Cs]) ->
@@ -1306,6 +1333,13 @@ get_match(#k_bin_int{}=BinInt, St0) ->
get_match(#k_tuple{es=Es}, St0) ->
{Mes,St1} = new_vars(length(Es), St0),
{#k_tuple{es=Mes},Mes,St1};
+get_match(#k_map{es=Es0}, St0) ->
+ {Mes,St1} = new_vars(length(Es0), St0),
+ {Es,_} = mapfoldl(fun
+ (#k_map_pair{}=Pair, [V|Vs]) ->
+ {Pair#k_map_pair{val=V},Vs}
+ end, Mes, Es0),
+ {#k_map{es=Es},Mes,St1};
get_match(M, St) ->
{M,[],St}.
@@ -1322,7 +1356,12 @@ new_clauses(Cs0, U, St) ->
[S,N|As];
#k_bin_int{next=N} ->
[N|As];
- _Other -> As
+ #k_map{es=Es} ->
+ Vals = [V ||
+ #k_map_pair{op=exact,val=V} <- Es],
+ Vals ++ As;
+ _Other ->
+ As
end,
Vs = arg_alias(Arg),
Osub1 = foldl(fun (#k_var{name=V}, Acc) ->
@@ -1397,6 +1436,7 @@ arg_con(Arg) ->
#k_nil{} -> k_nil;
#k_cons{} -> k_cons;
#k_tuple{} -> k_tuple;
+ #k_map{} -> k_map;
#k_binary{} -> k_binary;
#k_bin_end{} -> k_bin_end;
#k_bin_seg{} -> k_bin_seg;
@@ -1417,7 +1457,15 @@ arg_val(Arg, C) ->
{#k_var{name=get_vsub(V, Isub)},U,T,Fs};
_ ->
{set_kanno(S, []),U,T,Fs}
- end
+ end;
+ #k_map{es=Es} ->
+ Keys = [begin
+ #k_map_pair{op=exact,key=#k_literal{val=Key}} = Pair,
+ Key
+ end || Pair <- Es],
+ %% multiple keys may have the same name
+ %% do not use ordsets
+ lists:sort(Keys)
end.
%% ubody_used_vars(Expr, State) -> [UsedVar]
@@ -1786,6 +1834,10 @@ lit_vars(#k_atom{}) -> [];
lit_vars(#k_nil{}) -> [];
lit_vars(#k_cons{hd=H,tl=T}) ->
union(lit_vars(H), lit_vars(T));
+lit_vars(#k_map{var=Var,es=Es}) ->
+ lit_list_vars([Var|Es]);
+lit_vars(#k_map_pair{key=K,val=V}) ->
+ union(lit_vars(K), lit_vars(V));
lit_vars(#k_binary{segs=V}) -> lit_vars(V);
lit_vars(#k_bin_end{}) -> [];
lit_vars(#k_bin_seg{size=Size,seg=S,next=N}) ->
@@ -1821,7 +1873,11 @@ pat_vars(#k_bin_int{size=Size}) ->
{U,[]};
pat_vars(#k_bin_end{}) -> {[],[]};
pat_vars(#k_tuple{es=Es}) ->
- pat_list_vars(Es).
+ pat_list_vars(Es);
+pat_vars(#k_map{es=Es}) ->
+ pat_list_vars(Es);
+pat_vars(#k_map_pair{op=exact,val=V}) ->
+ pat_vars(V).
pat_list_vars(Ps) ->
foldl(fun (P, {Used0,New0}) ->
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-17 11:48:53 +0000