diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/compiler/src/cerl.erl | 2 | ||||
| -rw-r--r-- | lib/compiler/src/core_lib.erl | 11 | ||||
| -rw-r--r-- | lib/compiler/src/sys_pre_expand.erl | 2 | ||||
| -rw-r--r-- | lib/compiler/src/v3_core.erl | 29 | ||||
| -rw-r--r-- | lib/compiler/test/map_SUITE.erl | 5 | ||||
| -rw-r--r-- | lib/stdlib/src/erl_expand_records.erl | 6 |
6 files changed, 29 insertions, 26 deletions
diff --git a/lib/compiler/src/cerl.erl b/lib/compiler/src/cerl.erl index ed11c8de4d..54eac20ac4 100644 --- a/lib/compiler/src/cerl.erl +++ b/lib/compiler/src/cerl.erl @@ -133,7 +133,7 @@ ]). -export_type([c_binary/0, c_bitstr/0, c_call/0, c_clause/0, c_cons/0, c_fun/0, - c_literal/0, c_map_pair/0, c_module/0, c_tuple/0, + c_literal/0, c_map/0, c_map_pair/0, c_module/0, c_tuple/0, c_values/0, c_var/0, cerl/0, var_name/0]). -include("core_parse.hrl"). diff --git a/lib/compiler/src/core_lib.erl b/lib/compiler/src/core_lib.erl index 93ec3bbad5..2792fd8fa5 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]. diff --git a/lib/compiler/src/sys_pre_expand.erl b/lib/compiler/src/sys_pre_expand.erl index 91a46a20fe..761ae8409c 100644 --- a/lib/compiler/src/sys_pre_expand.erl +++ b/lib/compiler/src/sys_pre_expand.erl @@ -232,7 +232,7 @@ pattern({map,Line,Ps}, St0) -> {TPs,St1} = pattern_list(Ps, St0), {{map,Line,TPs},St1}; pattern({map_field_exact,Line,K0,V0}, St0) -> - {K,St1} = pattern(K0, St0), + {K,St1} = expr(K0, St0), {V,St2} = pattern(V0, St1), {{map_field_exact,Line,K,V},St2}; %%pattern({struct,Line,Tag,Ps}, St0) -> diff --git a/lib/compiler/src/v3_core.erl b/lib/compiler/src/v3_core.erl index a548ba2f7c..8c18f6a9f7 100644 --- a/lib/compiler/src/v3_core.erl +++ b/lib/compiler/src/v3_core.erl @@ -1605,26 +1605,17 @@ pattern_alias_map_pair_patterns([Cv1,Cv2|Cvs]) -> pattern_alias_map_pair_patterns([pat_alias(Cv1,Cv2)|Cvs]). pattern_map_pair({map_field_exact,L,K,V}, St) -> - %% FIXME: Better way to construct literals? or missing case - %% {Key,_,_} = expr(K, St), - Key = case K of - {bin,L,Es0} -> - case constant_bin(Es0) of - error -> - %% this will throw a cryptic error message - %% but it is better than nothing - throw(nomatch); - Bin -> - #c_literal{anno=lineno_anno(L,St),val=Bin} - end; + case expr(K,St) of + {#c_literal{}=Key,_,_} -> + #c_map_pair{anno=lineno_anno(L, St), + op=#c_literal{val=exact}, + key=Key, + val=pattern(V, St)}; _ -> - pattern(K,St) - end, - #c_map_pair{anno=lineno_anno(L, St), - op=#c_literal{val=exact}, - key=Key, - val=pattern(V, St)}. - + %% this will throw a cryptic error message + %% but it is better than nothing + throw(nomatch) + end. %% pat_bin([BinElement], State) -> [BinSeg]. diff --git a/lib/compiler/test/map_SUITE.erl b/lib/compiler/test/map_SUITE.erl index cc018e4305..403b7e8405 100644 --- a/lib/compiler/test/map_SUITE.erl +++ b/lib/compiler/test/map_SUITE.erl @@ -113,6 +113,10 @@ t_build_and_match_literals(Config) when is_list(Config) -> M = #{ map_1:=#{ map_2:=#{value_3 := third}, value_2:= second}, value_1:=first} = id(#{ map_1=>#{ map_2=>#{value_3 => third}, value_2=> second}, value_1=>first}), + %% map key + #{ #{} := 42 } = id(#{ #{} => 42 }), + #{ #{ "a" => 3 } := 42 } = id(#{ #{ "a" => 3} => 42 }), + %% nil key #{[]:=ok,1:=2} = id(#{[]=>ok,1=>2}), @@ -123,6 +127,7 @@ t_build_and_match_literals(Config) when is_list(Config) -> {'EXIT',{{badmatch,_},_}} = (catch (#{x:=3} = id(#{y=>3}))), {'EXIT',{{badmatch,_},_}} = (catch (#{x:=3} = id(#{x=>"three"}))), {'EXIT',{badarg,_}} = (catch id(#{<<0:258>> =>"three"})), + {'EXIT',{{badmatch,_},_}} = (catch (#{#{"a"=>42} := 3}=id(#{#{"a"=>3}=>42}))), ok. t_build_and_match_aliasing(Config) when is_list(Config) -> diff --git a/lib/stdlib/src/erl_expand_records.erl b/lib/stdlib/src/erl_expand_records.erl index f53c6e1278..57e768ba9d 100644 --- a/lib/stdlib/src/erl_expand_records.erl +++ b/lib/stdlib/src/erl_expand_records.erl @@ -135,10 +135,10 @@ pattern({tuple,Line,Ps}, St0) -> pattern({map,Line,Ps}, St0) -> {TPs,St1} = pattern_list(Ps, St0), {{map,Line,TPs},St1}; -pattern({map_field_exact,Line,Key0,V0}, St0) -> - {Key,St1} = pattern(Key0, St0), +pattern({map_field_exact,Line,K0,V0}, St0) -> + {K,St1} = expr(K0, St0), {V,St2} = pattern(V0, St1), - {{map_field_exact,Line,Key,V},St2}; + {{map_field_exact,Line,K,V},St2}; %%pattern({struct,Line,Tag,Ps}, St0) -> %% {TPs,TPsvs,St1} = pattern_list(Ps, St0), %% {{struct,Line,Tag,TPs},TPsvs,St1}; |