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-rw-r--r--lib/stdlib/src/ms_transform.erl116
1 files changed, 70 insertions, 46 deletions
diff --git a/lib/stdlib/src/ms_transform.erl b/lib/stdlib/src/ms_transform.erl
index 27dfcf52e1..6616e957c0 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 2002-2017. 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%
%%
@@ -90,12 +91,12 @@ format_error(?ERR_GUARDMATCH) ->
"fun with guard matching ('=' in guard) is illegal as match_spec as well";
format_error({?ERR_GUARDLOCALCALL, Name, Arithy}) ->
lists:flatten(io_lib:format("fun containing the local function call "
- "'~w/~w' (called in guard) "
+ "'~tw/~w' (called in guard) "
"cannot be translated into match_spec",
[Name, Arithy]));
format_error({?ERR_GUARDREMOTECALL, Module, Name, Arithy}) ->
lists:flatten(io_lib:format("fun containing the remote function call "
- "'~w:~w/~w' (called in guard) "
+ "'~w:~tw/~w' (called in guard) "
"cannot be translated into match_spec",
[Module,Name,Arithy]));
format_error({?ERR_GUARDELEMENT, Str}) ->
@@ -116,12 +117,12 @@ format_error(?ERR_BODYMATCH) ->
"fun with body matching ('=' in body) is illegal as match_spec";
format_error({?ERR_BODYLOCALCALL, Name, Arithy}) ->
lists:flatten(io_lib:format("fun containing the local function "
- "call '~w/~w' (called in body) "
+ "call '~tw/~w' (called in body) "
"cannot be translated into match_spec",
[Name,Arithy]));
format_error({?ERR_BODYREMOTECALL, Module, Name, Arithy}) ->
lists:flatten(io_lib:format("fun containing the remote function call "
- "'~w:~w/~w' (called in body) "
+ "'~w:~tw/~w' (called in body) "
"cannot be translated into match_spec",
[Module,Name,Arithy]));
format_error({?ERR_BODYELEMENT, Str}) ->
@@ -146,15 +147,15 @@ format_error({?ERR_UNBOUND_VARIABLE, Str}) ->
"into match_spec", [Str]));
format_error({?ERR_HEADBADREC,Name}) ->
lists:flatten(
- io_lib:format("fun head contains unknown record type ~w",[Name]));
+ io_lib:format("fun head contains unknown record type ~tw",[Name]));
format_error({?ERR_HEADBADFIELD,RName,FName}) ->
lists:flatten(
- io_lib:format("fun head contains reference to unknown field ~w in "
- "record type ~w",[FName, RName]));
+ io_lib:format("fun head contains reference to unknown field ~tw in "
+ "record type ~tw",[FName, RName]));
format_error({?ERR_HEADMULTIFIELD,RName,FName}) ->
lists:flatten(
- io_lib:format("fun head contains already defined field ~w in "
- "record type ~w",[FName, RName]));
+ io_lib:format("fun head contains already defined field ~tw in "
+ "record type ~tw",[FName, RName]));
format_error({?ERR_HEADDOLLARATOM,Atom}) ->
lists:flatten(
io_lib:format("fun head contains atom ~w, which conflics with reserved "
@@ -165,28 +166,28 @@ format_error({?ERR_HEADBINMATCH,Atom}) ->
"which cannot be translated into match_spec", [Atom]));
format_error({?ERR_GUARDBADREC,Name}) ->
lists:flatten(
- io_lib:format("fun guard contains unknown record type ~w",[Name]));
+ io_lib:format("fun guard contains unknown record type ~tw",[Name]));
format_error({?ERR_GUARDBADFIELD,RName,FName}) ->
lists:flatten(
- io_lib:format("fun guard contains reference to unknown field ~w in "
- "record type ~w",[FName, RName]));
+ io_lib:format("fun guard contains reference to unknown field ~tw in "
+ "record type ~tw",[FName, RName]));
format_error({?ERR_GUARDMULTIFIELD,RName,FName}) ->
lists:flatten(
- io_lib:format("fun guard contains already defined field ~w in "
- "record type ~w",[FName, RName]));
+ io_lib:format("fun guard contains already defined field ~tw in "
+ "record type ~tw",[FName, RName]));
format_error({?ERR_BODYBADREC,Name}) ->
lists:flatten(
- io_lib:format("fun body contains unknown record type ~w",[Name]));
+ io_lib:format("fun body contains unknown record type ~tw",[Name]));
format_error({?ERR_BODYBADFIELD,RName,FName}) ->
lists:flatten(
- io_lib:format("fun body contains reference to unknown field ~w in "
- "record type ~w",[FName, RName]));
+ io_lib:format("fun body contains reference to unknown field ~tw in "
+ "record type ~tw",[FName, RName]));
format_error({?ERR_BODYMULTIFIELD,RName,FName}) ->
lists:flatten(
- io_lib:format("fun body contains already defined field ~w in "
- "record type ~w",[FName, RName]));
+ io_lib:format("fun body contains already defined field ~tw in "
+ "record type ~tw",[FName, RName]));
format_error(Else) ->
- lists:flatten(io_lib:format("Unknown error code ~w",[Else])).
+ lists:flatten(io_lib:format("Unknown error code ~tw",[Else])).
%%
%% Called when translating in shell
@@ -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),
@@ -446,6 +451,8 @@ check_type(_,[{record,_,_,_}],ets) ->
ok;
check_type(_,[{cons,_,_,_}],dbg) ->
ok;
+check_type(_,[{nil,_}],dbg) ->
+ ok;
check_type(Line0,[{match,_,{var,_,_},X}],Any) ->
check_type(Line0,[X],Any);
check_type(Line0,[{match,_,X,{var,_,_}}],Any) ->
@@ -494,10 +501,20 @@ tg0(Line,[H|T],B) ->
tg({match,Line,_,_},B) ->
throw({error,Line,?ERR_GENMATCH+B#tgd.eb});
-tg({op, Line, Operator, O1, O2}, B) ->
- {tuple, Line, [{atom, Line, Operator}, tg(O1,B), tg(O2,B)]};
-tg({op, Line, Operator, O1}, B) ->
- {tuple, Line, [{atom, Line, Operator}, tg(O1,B)]};
+tg({op, Line, Operator, O1, O2}=Expr, B) ->
+ case erl_eval:partial_eval(Expr) of
+ Expr ->
+ {tuple, Line, [{atom, Line, Operator}, tg(O1, B), tg(O2, B)]};
+ Value ->
+ Value
+ end;
+tg({op, Line, Operator, O1}=Expr, B) ->
+ case erl_eval:partial_eval(Expr) of
+ Expr ->
+ {tuple, Line, [{atom, Line, Operator}, tg(O1, B)]};
+ Value ->
+ Value
+ end;
tg({call, _Line, {atom, Line2, bindings},[]},_B) ->
{atom, Line2, '$*'};
tg({call, _Line, {atom, Line2, object},[]},_B) ->
@@ -716,7 +733,7 @@ tg(T,B) when is_tuple(T), tuple_size(T) >= 2 ->
throw({error,Line,{?ERR_GENELEMENT+B#tgd.eb,
translate_language_element(Element)}});
tg(Other,B) ->
- Element = io_lib:format("unknown element ~w", [Other]),
+ Element = io_lib:format("unknown element ~tw", [Other]),
throw({error,unknown,{?ERR_GENELEMENT+B#tgd.eb,Element}}).
transform_head([V],OuterBound) ->
@@ -725,10 +742,10 @@ transform_head([V],OuterBound) ->
th(NewV,NewBind,OuterBound).
-toplevel_head_match({match,Line,{var,_,VName},Expr},B,OB) ->
+toplevel_head_match({match,_,{var,Line,VName},Expr},B,OB) ->
warn_var_clash(Line,VName,OB),
{Expr,new_bind({VName,'$_'},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) ->
@@ -822,9 +839,10 @@ 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
@@ -1079,6 +1097,12 @@ 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;
generated by cgit v1.2.3 (git 2.25.1) at 2025-05-29 18:23:13 +0000