aboutsummaryrefslogtreecommitdiffstats
path: root/lib/compiler/src/core_lib.erl
diff options
context:
space:
mode:
Diffstat (limited to 'lib/compiler/src/core_lib.erl')
-rw-r--r--lib/compiler/src/core_lib.erl22
1 files changed, 19 insertions, 3 deletions
diff --git a/lib/compiler/src/core_lib.erl b/lib/compiler/src/core_lib.erl
index ed181e3baa..0d95971f91 100644
--- a/lib/compiler/src/core_lib.erl
+++ b/lib/compiler/src/core_lib.erl
@@ -59,7 +59,7 @@ is_lit_bin(Es) ->
%% Return the value of LitExpr.
-spec literal_value(cerl:c_literal() | cerl:c_binary() |
- cerl:c_cons() | cerl:c_tuple()) -> term().
+ cerl:c_map() | cerl:c_cons() | cerl:c_tuple()) -> term().
literal_value(#c_literal{val=V}) -> V;
literal_value(#c_binary{segments=Es}) ->
@@ -67,7 +67,14 @@ literal_value(#c_binary{segments=Es}) ->
literal_value(#c_cons{hd=H,tl=T}) ->
[literal_value(H)|literal_value(T)];
literal_value(#c_tuple{es=Es}) ->
- list_to_tuple(literal_value_list(Es)).
+ list_to_tuple(literal_value_list(Es));
+literal_value(#c_map{arg=Cm,es=Cmps}) ->
+ M = literal_value(Cm),
+ lists:foldl(fun(#c_map_pair{ key=Ck, val=Cv },Mi) ->
+ K = literal_value(Ck),
+ V = literal_value(Cv),
+ maps:put(K,V,Mi)
+ end, M, Cmps).
literal_value_list(Vals) -> [literal_value(V) || V <- Vals].
@@ -105,7 +112,7 @@ vu_expr(V, #c_cons{hd=H,tl=T}) ->
vu_expr(V, H) orelse vu_expr(V, T);
vu_expr(V, #c_tuple{es=Es}) ->
vu_expr_list(V, Es);
-vu_expr(V, #c_map{var=M,es=Es}) ->
+vu_expr(V, #c_map{arg=M,es=Es}) ->
vu_expr(V, M) orelse vu_expr_list(V, Es);
vu_expr(V, #c_map_pair{key=Key,val=Val}) ->
vu_expr_list(V, [Key,Val]);
@@ -205,6 +212,8 @@ vu_pattern(V, #c_tuple{es=Es}, St) ->
vu_pattern_list(V, Es, St);
vu_pattern(V, #c_binary{segments=Ss}, St) ->
vu_pat_seg_list(V, Ss, St);
+vu_pattern(V, #c_map{es=Es}, St) ->
+ vu_map_pairs(V, Es, St);
vu_pattern(V, #c_alias{var=Var,pat=P}, St0) ->
case vu_pattern(V, Var, St0) of
{true,_}=St1 -> St1;
@@ -227,6 +236,13 @@ vu_pat_seg_list(V, Ss, St) ->
end
end, St, Ss).
+vu_map_pairs(V, [#c_map_pair{val=Pat}|T], St0) ->
+ case vu_pattern(V, Pat, St0) of
+ {true,_}=St -> St;
+ St -> vu_map_pairs(V, T, St)
+ end;
+vu_map_pairs(_, [], St) -> St.
+
-spec vu_var_list(cerl:var_name(), [cerl:c_var()]) -> boolean().
vu_var_list(V, Vs) ->