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-rw-r--r--lib/stdlib/src/ms_transform.erl63
1 files changed, 42 insertions, 21 deletions
diff --git a/lib/stdlib/src/ms_transform.erl b/lib/stdlib/src/ms_transform.erl
index 4e2ce39ec2..c0eea652e7 100644
--- a/lib/stdlib/src/ms_transform.erl
+++ b/lib/stdlib/src/ms_transform.erl
@@ -1,18 +1,19 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2002-2013. All Rights Reserved.
+%% Copyright Ericsson AB 2002-2016. All Rights Reserved.
%%
-%% The contents of this file are subject to the Erlang Public License,
-%% Version 1.1, (the "License"); you may not use this file except in
-%% compliance with the License. You should have received a copy of the
-%% Erlang Public License along with this software. If not, it can be
-%% retrieved online at http://www.erlang.org/.
-%%
-%% Software distributed under the License is distributed on an "AS IS"
-%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
-%% the License for the specific language governing rights and limitations
-%% under the License.
+%% Licensed under the Apache License, Version 2.0 (the "License");
+%% you may not use this file except in compliance with the License.
+%% You may obtain a copy of the License at
+%%
+%% http://www.apache.org/licenses/LICENSE-2.0
+%%
+%% Unless required by applicable law or agreed to in writing, software
+%% distributed under the License is distributed on an "AS IS" BASIS,
+%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+%% See the License for the specific language governing permissions and
+%% limitations under the License.
%%
%% %CopyrightEnd%
%%
@@ -223,8 +224,9 @@ transform_from_shell(Dialect, Clauses, BoundEnvironment) ->
%% Called when translating during compiling
%%
--spec parse_transform(Forms, Options) -> Forms when
- Forms :: [erl_parse:abstract_form()],
+-spec parse_transform(Forms, Options) -> Forms2 when
+ Forms :: [erl_parse:abstract_form() | erl_parse:form_info()],
+ Forms2 :: [erl_parse:abstract_form() | erl_parse:form_info()],
Options :: term().
parse_transform(Forms, _Options) ->
@@ -306,15 +308,18 @@ cleanup_filename({Old,OldRec,OldWarnings}) ->
add_record_definition({Name,FieldList}) ->
{KeyList,_} = lists:foldl(
- fun({record_field,_,{atom,Line0,FieldName}},{L,C}) ->
- {[{FieldName,C,{atom,Line0,undefined}}|L],C+1};
- ({record_field,_,{atom,_,FieldName},Def},{L,C}) ->
- {[{FieldName,C,Def}|L],C+1}
- end,
+ fun(F, {L,C}) -> {[record_field(F, C)|L],C+1} end,
{[],2},
FieldList),
put_records([{Name,KeyList}|get_records()]).
+record_field({record_field,_,{atom,Line0,FieldName}}, C) ->
+ {FieldName,C,{atom,Line0,undefined}};
+record_field({record_field,_,{atom,_,FieldName},Def}, C) ->
+ {FieldName,C,Def};
+record_field({typed_record_field,Field,_Type}, C) ->
+ record_field(Field, C).
+
forms([F0|Fs0]) ->
F1 = form(F0),
Fs1 = forms(Fs0),
@@ -369,6 +374,13 @@ copy({var,_Line,Name} = VarDef,Bound) ->
copy({'fun',Line,{clauses,Clauses}},Bound) -> % Dont export bindings from funs
{NewClauses,_IgnoredBindings} = copy_list(Clauses,Bound),
{{'fun',Line,{clauses,NewClauses}},Bound};
+copy({named_fun,Line,Name,Clauses},Bound) -> % Dont export bindings from funs
+ Bound1 = case Name of
+ '_' -> Bound;
+ Name -> gb_sets:add(Name,Bound)
+ end,
+ {NewClauses,_IgnoredBindings} = copy_list(Clauses,Bound1),
+ {{named_fun,Line,Name,NewClauses},Bound};
copy({'case',Line,Of,ClausesList},Bound) -> % Dont export bindings from funs
{NewOf,NewBind0} = copy(Of,Bound),
{NewClausesList,NewBindings} = copy_case_clauses(ClausesList,NewBind0,[]),
@@ -718,10 +730,10 @@ transform_head([V],OuterBound) ->
th(NewV,NewBind,OuterBound).
-toplevel_head_match({match,Line,{var,_,VName},Expr},B,OB) ->
+toplevel_head_match({match,_,{var,Line,VName},Expr},B,OB) ->
warn_var_clash(Line,VName,OB),
{Expr,new_bind({VName,'$_'},B)};
-toplevel_head_match({match,Line,Expr,{var,_,VName}},B,OB) ->
+toplevel_head_match({match,_,Expr,{var,Line,VName}},B,OB) ->
warn_var_clash(Line,VName,OB),
{Expr,new_bind({VName,'$_'},B)};
toplevel_head_match(Other,B,_OB) ->
@@ -815,9 +827,10 @@ th(T,B,OB) when is_tuple(T) ->
th(Nonstruct,B,_OB) ->
{Nonstruct,B}.
-warn_var_clash(Line,Name,OuterBound) ->
+warn_var_clash(Anno,Name,OuterBound) ->
case gb_sets:is_member(Name,OuterBound) of
true ->
+ Line = erl_anno:line(Anno),
add_warning(Line,{?WARN_SHADOW_VAR,Name});
_ ->
ok
@@ -903,6 +916,7 @@ bool_test(is_pid,1) -> true;
bool_test(is_port,1) -> true;
bool_test(is_reference,1) -> true;
bool_test(is_tuple,1) -> true;
+bool_test(is_map,1) -> true;
bool_test(is_binary,1) -> true;
bool_test(is_function,1) -> true;
bool_test(is_record,2) -> true;
@@ -917,6 +931,7 @@ real_guard_function(node,0) -> true;
real_guard_function(node,1) -> true;
real_guard_function(round,1) -> true;
real_guard_function(size,1) -> true;
+real_guard_function(map_size,1) -> true;
real_guard_function(tl,1) -> true;
real_guard_function(trunc,1) -> true;
real_guard_function(self,0) -> true;
@@ -1070,6 +1085,12 @@ normalise({cons,_,Head,Tail}) ->
[normalise(Head)|normalise(Tail)];
normalise({tuple,_,Args}) ->
list_to_tuple(normalise_list(Args));
+normalise({map,_,Pairs0}) ->
+ Pairs1 = lists:map(fun ({map_field_exact,_,K,V}) ->
+ {normalise(K),normalise(V)}
+ end,
+ Pairs0),
+ maps:from_list(Pairs1);
%% Special case for unary +/-.
normalise({op,_,'+',{char,_,I}}) -> I;
normalise({op,_,'+',{integer,_,I}}) -> I;