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authorBjörn-Egil Dahlberg <[email protected]>2014-05-12 16:36:59 +0200
committerBjörn-Egil Dahlberg <[email protected]>2014-05-12 16:36:59 +0200
commitc563f5866b42a3479050241284fffc1245aebe7d (patch)
tree8289c9cd9fb5ec561a8eea25ed56f26a87234d61 /lib
parent441c5a4dbc01e33db11b9497c14927da1af896f6 (diff)
parentec15a2aaab58816c728676807c0b6e61d5a5185e (diff)
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Merge branch 'nox/fix-eval-map-update/OTP-11922' into maint
* nox/fix-eval-map-update/OTP-11922: Fix evaluation of map updates in the debugger and erl_eval
Diffstat (limited to 'lib')
-rw-r--r--lib/debugger/src/dbg_ieval.erl4
-rw-r--r--lib/debugger/test/int_eval_SUITE.erl1
-rw-r--r--lib/debugger/test/int_eval_SUITE_data/my_int_eval_module.erl5
-rw-r--r--lib/stdlib/src/erl_eval.erl8
-rw-r--r--lib/stdlib/test/erl_eval_SUITE.erl7
5 files changed, 18 insertions, 7 deletions
diff --git a/lib/debugger/src/dbg_ieval.erl b/lib/debugger/src/dbg_ieval.erl
index 0653ce4c00..77297de0f3 100644
--- a/lib/debugger/src/dbg_ieval.erl
+++ b/lib/debugger/src/dbg_ieval.erl
@@ -665,11 +665,11 @@ expr({map,Line,E0,Fs0}, Bs0, Ieval0) ->
{value,E,Bs1} = expr(E0, Bs0, Ieval),
case E of
#{} ->
- {Fs,Bs2} = eval_map_fields(Fs0, Bs1, Ieval),
+ {Fs,Bs2} = eval_map_fields(Fs0, Bs0, Ieval),
Value = lists:foldl(fun ({map_assoc,K,V}, Mi) -> maps:put(K,V,Mi);
({map_exact,K,V}, Mi) -> maps:update(K,V,Mi)
end, E, Fs),
- {value,Value,Bs2};
+ {value,Value,merge_bindings(Bs2, Bs1, Ieval)};
_ ->
exception(error, {badarg,E}, Bs1, Ieval)
end;
diff --git a/lib/debugger/test/int_eval_SUITE.erl b/lib/debugger/test/int_eval_SUITE.erl
index ecbd68ab40..9d7ef238e3 100644
--- a/lib/debugger/test/int_eval_SUITE.erl
+++ b/lib/debugger/test/int_eval_SUITE.erl
@@ -294,6 +294,7 @@ stacktrace(Config) when is_list(Config) ->
maps(Config) when is_list(Config) ->
Fun = fun () -> ?IM:empty_map_update([camembert]) end,
{'EXIT',{{badarg,[camembert]},_}} = spawn_eval(Fun),
+ [#{hello := 0, price := 0}] = spawn_eval(fun () -> ?IM:update_in_fun() end),
ok.
diff --git a/lib/debugger/test/int_eval_SUITE_data/my_int_eval_module.erl b/lib/debugger/test/int_eval_SUITE_data/my_int_eval_module.erl
index e047a33d8c..7f55360f48 100644
--- a/lib/debugger/test/int_eval_SUITE_data/my_int_eval_module.erl
+++ b/lib/debugger/test/int_eval_SUITE_data/my_int_eval_module.erl
@@ -29,7 +29,7 @@
-export([more_catch/1,more_nocatch/1,exit_me/0]).
-export([f/1, f_try/1, f_catch/1]).
-export([otp_5837/1, otp_8310/0]).
--export([empty_map_update/1]).
+-export([empty_map_update/1, update_in_fun/0]).
%% Internal exports.
-export([echo/2,my_subtract/2,catch_a_ball/0,throw_a_ball/0]).
@@ -244,3 +244,6 @@ otp_8310() ->
ok.
empty_map_update(Map) -> Map#{}.
+
+update_in_fun() ->
+ lists:map(fun (X) -> X#{price := 0} end, [#{hello => 0, price => nil}]).
diff --git a/lib/stdlib/src/erl_eval.erl b/lib/stdlib/src/erl_eval.erl
index acde3ad5d6..3cfedfee97 100644
--- a/lib/stdlib/src/erl_eval.erl
+++ b/lib/stdlib/src/erl_eval.erl
@@ -244,17 +244,17 @@ expr({record,_,_,Name,_}, _Bs, _Lf, _Ef, _RBs) ->
erlang:raise(error, {undef_record,Name}, stacktrace());
%% map
-expr({map,_, Binding,Es}, Bs0, Lf, Ef, RBs) ->
- {value, Map0, Bs1} = expr(Binding, Bs0, Lf, Ef, RBs),
+expr({map,_,Binding,Es}, Bs0, Lf, Ef, RBs) ->
+ {value, Map0, Bs1} = expr(Binding, Bs0, Lf, Ef, none),
case Map0 of
#{} ->
- {Vs,Bs} = eval_map_fields(Es, Bs1, Lf, Ef),
+ {Vs,Bs2} = eval_map_fields(Es, Bs0, Lf, Ef),
Map1 = 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),
- ret_expr(Map1, Bs, RBs);
+ ret_expr(Map1, merge_bindings(Bs2, Bs1), RBs);
_ ->
erlang:raise(error, {badarg,Map0}, stacktrace())
end;
diff --git a/lib/stdlib/test/erl_eval_SUITE.erl b/lib/stdlib/test/erl_eval_SUITE.erl
index b91d14b5b8..b55324161b 100644
--- a/lib/stdlib/test/erl_eval_SUITE.erl
+++ b/lib/stdlib/test/erl_eval_SUITE.erl
@@ -1451,6 +1451,13 @@ eep43(Config) when is_list(Config) ->
" {Map#{a := B},Map#{a => c},Map#{d => e}} "
"end.",
{#{a => b},#{a => c},#{a => b,d => e}}),
+ check(fun () ->
+ lists:map(fun (X) -> X#{price := 0} end,
+ [#{hello => 0, price => nil}])
+ end,
+ "lists:map(fun (X) -> X#{price := 0} end,
+ [#{hello => 0, price => nil}]).",
+ [#{hello => 0, price => 0}]),
error_check("[camembert]#{}.", {badarg,[camembert]}),
error_check("#{} = 1.", {badmatch,1}),
ok.