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-rw-r--r--lib/compiler/src/v3_codegen.erl17
-rw-r--r--lib/compiler/src/v3_kernel.erl25
-rw-r--r--lib/compiler/src/v3_kernel.hrl3
-rw-r--r--lib/compiler/src/v3_kernel_pp.erl4
-rw-r--r--lib/compiler/src/v3_life.erl10
5 files changed, 37 insertions, 22 deletions
diff --git a/lib/compiler/src/v3_codegen.erl b/lib/compiler/src/v3_codegen.erl
index e8eec08323..c1d555efac 100644
--- a/lib/compiler/src/v3_codegen.erl
+++ b/lib/compiler/src/v3_codegen.erl
@@ -1502,16 +1502,17 @@ set_cg([{var,R}], {map,SrcMap,Es}, Le, Vdb, Bef,
_ -> SrcMap
end,
- % MapPairs in put_map must be sorted in ascending Key Order
- % Key literals must be unique when arriving here in v3_codegen
+ %% MapPairs in put_map must be sorted in ascending Key order.
+ %% Key literals must be unique when arriving here in v3_codegen.
- SortedEs = lists:sort(fun
- ({map_pair,{_T1,K1},_},{map_pair,{_T2,K2},_}) when K1 < K2 -> true;
- ({map_pair,{_,_},_},{map_pair,{_,_},_}) -> false
- end, Es),
+ SortedEs = lists:sort(fun({_,{_T1,K1},_},{_,{_T2,K2},_}) ->
+ K1 =< K2
+ end, Es),
List = flatmap(fun
- ({map_pair,K,{var,V}}) -> [K,fetch_var(V, Int0)];
- ({map_pair,K,E}) -> [K,E]
+ ({map_pair_assoc,K,{var,V}}) -> [K,fetch_var(V, Int0)];
+ ({map_pair_exact,K,{var,V}}) -> [K,fetch_var(V, Int0)];
+ ({map_pair_assoc,K,E}) -> [K,E];
+ ({map_pair_exact,K,E}) -> [K,E]
end, SortedEs),
Live = max_reg(Bef#sr.reg),
Int1 = clear_dead(Int0, Le#l.i, Vdb),
diff --git a/lib/compiler/src/v3_kernel.erl b/lib/compiler/src/v3_kernel.erl
index 44f853ec2b..14e776fd3c 100644
--- a/lib/compiler/src/v3_kernel.erl
+++ b/lib/compiler/src/v3_kernel.erl
@@ -503,11 +503,11 @@ map_pairs(Es, Sub, St) ->
(#c_map_pair_assoc{key=K0,val=V0}, {Kes,Esp,St0}) ->
{K,[],St1} = expr(K0, Sub, St0),
{V,Ep,St2} = atomic(V0, Sub, St1),
- {[#k_map_pair{key=K,val=V}|Kes],Ep ++ Esp,St2};
+ {[#k_map_pair_assoc{key=K,val=V}|Kes],Ep ++ Esp,St2};
(#c_map_pair_exact{key=K0,val=V0}, {Kes,Esp,St0}) ->
{K,[],St1} = expr(K0, Sub, St0),
{V,Ep,St2} = atomic(V0, Sub, St1),
- {[#k_map_pair{key=K,val=V}|Kes],Ep ++ Esp,St2}
+ {[#k_map_pair_exact{key=K,val=V}|Kes],Ep ++ Esp,St2}
end, {[],[],St}, Es).
%% call_type(Module, Function, Arity) -> call | bif | apply | error.
@@ -668,10 +668,14 @@ pattern(#c_tuple{anno=A,es=Ces}, Isub, Osub0, St0) ->
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_assoc{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_assoc{anno=A,key=Kk,val=Kv},Osub2,St2};
pattern(#c_map_pair_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,key=Kk,val=Kv},Osub2,St2};
+ {#k_map_pair_assoc{anno=A,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};
@@ -1347,8 +1351,8 @@ get_match(#k_tuple{es=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}
+ {Es,_} = mapfoldl(fun(#k_map_pair_assoc{}=Pair, [V|Vs]) ->
+ {Pair#k_map_pair_assoc{val=V},Vs}
end, Mes, Es0),
{#k_map{es=Es},Mes,St1};
get_match(M, St) ->
@@ -1368,7 +1372,8 @@ new_clauses(Cs0, U, St) ->
#k_bin_int{next=N} ->
[N|As];
#k_map{es=Es} ->
- Vals = [V || #k_map_pair{val=V} <- Es],
+ Vals = [V ||
+ #k_map_pair_assoc{val=V} <- Es],
Vals ++ As;
_Other ->
As
@@ -1470,7 +1475,7 @@ arg_val(Arg, C) ->
end;
#k_map{es=Es} ->
Keys = [begin
- #k_map_pair{key=#k_literal{val=Key}} = Pair,
+ #k_map_pair_assoc{key=#k_literal{val=Key}} = Pair,
Key
end || Pair <- Es],
%% multiple keys may have the same name
@@ -1846,7 +1851,9 @@ 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}) ->
+lit_vars(#k_map_pair_assoc{key=K,val=V}) ->
+ union(lit_vars(K), lit_vars(V));
+lit_vars(#k_map_pair_exact{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{}) -> [];
@@ -1886,7 +1893,7 @@ pat_vars(#k_tuple{es=Es}) ->
pat_list_vars(Es);
pat_vars(#k_map{es=Es}) ->
pat_list_vars(Es);
-pat_vars(#k_map_pair{val=V}) ->
+pat_vars(#k_map_pair_assoc{val=V}) ->
pat_vars(V).
pat_list_vars(Ps) ->
diff --git a/lib/compiler/src/v3_kernel.hrl b/lib/compiler/src/v3_kernel.hrl
index 6671109afb..9da394d50d 100644
--- a/lib/compiler/src/v3_kernel.hrl
+++ b/lib/compiler/src/v3_kernel.hrl
@@ -39,7 +39,8 @@
-record(k_tuple, {anno=[],es}).
-record(k_map, {anno=[],var,es}).
--record(k_map_pair, {anno=[],key,val}).
+-record(k_map_pair_assoc, {anno=[],key,val}).
+-record(k_map_pair_exact, {anno=[],key,val}).
-record(k_cons, {anno=[],hd,tl}).
-record(k_binary, {anno=[],segs}).
-record(k_bin_seg, {anno=[],size,unit,type,flags,seg,next}).
diff --git a/lib/compiler/src/v3_kernel_pp.erl b/lib/compiler/src/v3_kernel_pp.erl
index 1af90792d3..e8d19336f6 100644
--- a/lib/compiler/src/v3_kernel_pp.erl
+++ b/lib/compiler/src/v3_kernel_pp.erl
@@ -115,8 +115,10 @@ format_1(#k_map{es=Es}, Ctxt) ->
format_hseq(Es, ",", ctxt_bump_indent(Ctxt, 1), fun format/2),
$},$~
];
-format_1(#k_map_pair{key=K,val=V}, Ctxt) ->
+format_1(#k_map_pair_assoc{key=K,val=V}, Ctxt) ->
["~<",format(K, Ctxt),",",format(V, Ctxt),">"];
+format_1(#k_map_pair_exact{key=K,val=V}, Ctxt) ->
+ ["::<",format(K, Ctxt),",",format(V, Ctxt),">"];
format_1(#k_binary{segs=S}, Ctxt) ->
["#<",format(S, ctxt_bump_indent(Ctxt, 2)),">#"];
format_1(#k_bin_seg{next=Next}=S, Ctxt) ->
diff --git a/lib/compiler/src/v3_life.erl b/lib/compiler/src/v3_life.erl
index 507f5d0df1..a3bd781c98 100644
--- a/lib/compiler/src/v3_life.erl
+++ b/lib/compiler/src/v3_life.erl
@@ -369,8 +369,10 @@ literal(#k_tuple{es=Es}, Ctxt) ->
{tuple,literal_list(Es, Ctxt)};
literal(#k_map{var=Var,es=Es}, Ctxt) ->
{map,literal(Var, Ctxt),literal_list(Es, Ctxt)};
-literal(#k_map_pair{key=K,val=V}, Ctxt) ->
- {map_pair,literal(K, Ctxt),literal(V, Ctxt)};
+literal(#k_map_pair_assoc{key=K,val=V}, Ctxt) ->
+ {map_pair_assoc,literal(K, Ctxt),literal(V, Ctxt)};
+literal(#k_map_pair_exact{key=K,val=V}, Ctxt) ->
+ {map_pair_exact,literal(K, Ctxt),literal(V, Ctxt)};
literal(#k_literal{val=V}, _Ctxt) ->
{literal,V}.
@@ -402,7 +404,9 @@ literal2(#k_tuple{es=Es}, Ctxt) ->
{tuple,literal_list2(Es, Ctxt)};
literal2(#k_map{es=Es}, Ctxt) ->
{map,literal_list2(Es, Ctxt)};
-literal2(#k_map_pair{key=K,val=V}, Ctxt) ->
+literal2(#k_map_pair_assoc{key=K,val=V}, Ctxt) ->
+ {map_pair,literal2(K, Ctxt),literal2(V, Ctxt)};
+literal2(#k_map_pair_exact{key=K,val=V}, Ctxt) ->
{map_pair,literal2(K, Ctxt),literal2(V, Ctxt)}.
literal_list2(Ks, Ctxt) ->