diff options
Diffstat (limited to 'lib/stdlib')
| -rw-r--r-- | lib/stdlib/src/erl_eval.erl | 30 | ||||
| -rw-r--r-- | lib/stdlib/test/erl_eval_SUITE.erl | 19 |
2 files changed, 37 insertions, 12 deletions
diff --git a/lib/stdlib/src/erl_eval.erl b/lib/stdlib/src/erl_eval.erl index 5f96795d92..63e7be4b74 100644 --- a/lib/stdlib/src/erl_eval.erl +++ b/lib/stdlib/src/erl_eval.erl @@ -241,23 +241,15 @@ expr({record,_,_,Name,_}, _Bs, _Lf, _Ef, _RBs) -> erlang:raise(error, {undef_record,Name}, stacktrace()); %% map -expr({map_field_assoc,_,EK, EV}, Bs0, Lf, Ef, RBs) -> - {value,K,Bs1} = expr(EK, Bs0, Lf, Ef, none), - {value,V,Bs2} = expr(EV, Bs0, Lf, Ef, none), - ret_expr({map_assoc,K,V}, merge_bindings(Bs1,Bs2), RBs); -expr({map_field_exact,_,EK, EV}, Bs0, Lf, Ef, RBs) -> - {value,K,Bs1} = expr(EK, Bs0, Lf, Ef, none), - {value,V,Bs2} = expr(EV, Bs0, Lf, Ef, none), - ret_expr({map_exact,K,V}, merge_bindings(Bs1,Bs2), RBs); expr({map,_, Binding,Es}, Bs0, Lf, Ef, RBs) -> {value, Map0, Bs1} = expr(Binding, Bs0, Lf, Ef, RBs), - {Vs,Bs} = expr_list(Es, Bs1, Lf, Ef), + {Vs,Bs} = eval_map_fields(Es, Bs1, Lf, Ef), ret_expr(lists:foldl(fun ({map_assoc,K,V}, Mi) -> maps:put(K,V,Mi); ({map_exact,K,V}, Mi) -> maps:update(K,V,Mi) end, Map0, Vs), Bs, RBs); expr({map,_,Es}, Bs0, Lf, Ef, RBs) -> - {Vs,Bs} = expr_list(Es, Bs0, Lf, Ef), + {Vs,Bs} = eval_map_fields(Es, Bs0, Lf, Ef), ret_expr(lists:foldl(fun ({map_assoc,K,V}, Mi) -> maps:put(K,V,Mi) end, maps:new(), Vs), Bs, RBs); @@ -749,6 +741,24 @@ eval_filter(F, Bs0, Lf, Ef, CompFun, Acc) -> end end. +%% eval_map_fields([Field], Bindings, LocalFunctionHandler, +%% ExternalFuncHandler) -> +%% {[{map_assoc | map_exact,Key,Value}],Bindings} + +eval_map_fields(Fs, Bs, Lf, Ef) -> + eval_map_fields(Fs, Bs, Lf, Ef, []). + +eval_map_fields([{map_field_assoc,_,K0,V0}|Fs], Bs0, Lf, Ef, Acc) -> + {value,K1,Bs1} = expr(K0, Bs0, Lf, Ef, none), + {value,V1,Bs2} = expr(V0, Bs1, Lf, Ef, none), + eval_map_fields(Fs, Bs2, Lf, Ef, [{map_assoc,K1,V1}|Acc]); +eval_map_fields([{map_field_exact,_,K0,V0}|Fs], Bs0, Lf, Ef, Acc) -> + {value,K1,Bs1} = expr(K0, Bs0, Lf, Ef, none), + {value,V1,Bs2} = expr(V0, Bs1, Lf, Ef, none), + eval_map_fields(Fs, Bs2, Lf, Ef, [{map_exact,K1,V1}|Acc]); +eval_map_fields([], Bs, _Lf, _Ef, Acc) -> + {lists:reverse(Acc),Bs}. + %% RBs is the bindings to return when the evalution of a function %% (fun) has finished. If RBs =:= none, then the evalution took place diff --git a/lib/stdlib/test/erl_eval_SUITE.erl b/lib/stdlib/test/erl_eval_SUITE.erl index c4b6b35e72..b194c7cb41 100644 --- a/lib/stdlib/test/erl_eval_SUITE.erl +++ b/lib/stdlib/test/erl_eval_SUITE.erl @@ -42,7 +42,8 @@ try_catch/1, eval_expr_5/1, zero_width/1, - eep37/1]). + eep37/1, + eep43/1]). %% %% Define to run outside of test server @@ -82,7 +83,7 @@ all() -> simple_cases, unary_plus, apply_atom, otp_5269, otp_6539, otp_6543, otp_6787, otp_6977, otp_7550, otp_8133, otp_10622, funs, try_catch, eval_expr_5, zero_width, - eep37]. + eep37, eep43]. groups() -> []. @@ -1424,6 +1425,20 @@ eep37(Config) when is_list(Config) -> 720), ok. +eep43(Config) when is_list(Config) -> + check(fun () -> #{} end, " #{}.", #{}), + check(fun () -> #{a => b} end, "#{a => b}.", #{a => b}), + check(fun () -> + Map = #{a => b}, + {Map#{a := b},Map#{a => c},Map#{d => e}} + end, + "begin " + " Map = #{a => B=b}, " + " {Map#{a := B},Map#{a => c},Map#{d => e}} " + "end.", + {#{a => b},#{a => c},#{a => b,d => e}}), + ok. + %% Check the string in different contexts: as is; in fun; from compiled code. check(F, String, Result) -> check1(F, String, Result), |