aboutsummaryrefslogtreecommitdiffstats
path: root/lib/stdlib
diff options
context:
space:
mode:
Diffstat (limited to 'lib/stdlib')
-rw-r--r--lib/stdlib/doc/src/epp.xml56
-rw-r--r--lib/stdlib/src/epp.erl147
-rw-r--r--lib/stdlib/src/erl_eval.erl25
-rw-r--r--lib/stdlib/src/erl_lint.erl96
-rw-r--r--lib/stdlib/test/epp_SUITE.erl78
-rw-r--r--lib/stdlib/test/erl_eval_SUITE.erl2
-rw-r--r--lib/stdlib/test/erl_lint_SUITE.erl58
7 files changed, 381 insertions, 81 deletions
diff --git a/lib/stdlib/doc/src/epp.xml b/lib/stdlib/doc/src/epp.xml
index 8cc977681f..452341f7d2 100644
--- a/lib/stdlib/doc/src/epp.xml
+++ b/lib/stdlib/doc/src/epp.xml
@@ -66,11 +66,29 @@
</datatypes>
<funcs>
<func>
+ <name name="open" arity="1"/>
+ <fsummary>Open a file for preprocessing</fsummary>
+ <desc>
+ <p>Opens a file for preprocessing.</p>
+ <p>If <c>extra</c> is given in
+ <c><anno>Options</anno></c>, the return value will be
+ <c>{ok, <anno>Epp</anno>, <anno>Extra</anno>}</c> instead
+ of <c>{ok, <anno>Epp</anno>}</c>.</p>
+ </desc>
+ </func>
+ <func>
<name name="open" arity="2"/>
+ <fsummary>Open a file for preprocessing</fsummary>
+ <desc>
+ <p>Equivalent to <c>epp:open([{name, FileName}, {includes, IncludePath}])</c>.</p>
+ </desc>
+ </func>
+ <func>
<name name="open" arity="3"/>
<fsummary>Open a file for preprocessing</fsummary>
<desc>
- <p>Opens a file for preprocessing.</p>
+ <p>Equivalent to <c>epp:open([{name, FileName}, {includes, IncludePath},
+ {macros, PredefMacros}])</c>.</p>
</desc>
</func>
<func>
@@ -91,12 +109,24 @@
</desc>
</func>
<func>
- <name name="parse_file" arity="3"/>
+ <name name="parse_file" arity="2"/>
<fsummary>Preprocess and parse an Erlang source file</fsummary>
<desc>
<p>Preprocesses and parses an Erlang source file.
- Note that the tuple <c>{eof, <anno>Line</anno>}</c> returned at end-of-file is
- included as a "form".</p>
+ Note that the tuple <c>{eof, <anno>Line</anno>}</c> returned
+ at end-of-file is included as a "form".</p>
+ <p>If <c>extra</c> is given in
+ <c><anno>Options</anno></c>, the return value will be
+ <c>{ok, [<anno>Form</anno>], <anno>Extra</anno>}</c> instead
+ of <c>{ok, [<anno>Form</anno>]}</c>.</p>
+ </desc>
+ </func>
+ <func>
+ <name name="parse_file" arity="3"/>
+ <fsummary>Preprocess and parse an Erlang source file</fsummary>
+ <desc>
+ <p>Equivalent to <c>epp:parse_file(FileName, [{includes, IncludePath},
+ {macros, PredefMacros}])</c>.</p>
</desc>
</func>
<func>
@@ -113,7 +143,7 @@
<p>Returns a string representation of an encoding. The string
is recognized by <c>read_encoding/1,2</c>,
<c>read_encoding_from_binary/1,2</c>, and
- <c>set_encoding/1</c> as a valid encoding.</p>
+ <c>set_encoding/1,2</c> as a valid encoding.</p>
</desc>
</func>
<func>
@@ -159,6 +189,22 @@
</desc>
</func>
<func>
+ <name name="set_encoding" arity="2"/>
+ <fsummary>Read and set the encoding of an IO device</fsummary>
+ <desc>
+ <p>Reads the <seealso marker="#encoding">encoding</seealso> from
+ an IO device and sets the encoding of the device
+ accordingly. The position of the IO device referenced by
+ <c><anno>File</anno></c> is not affected. If no valid
+ encoding can be read from the IO device the encoding of the
+ IO device is set to the
+ <seealso marker="#encoding">encoding</seealso> given by
+ <c><anno>Default</anno></c>.</p>
+ <p>Returns the read encoding, or <c>none</c> if no valid
+ encoding was found.</p>
+ </desc>
+ </func>
+ <func>
<name name="format_error" arity="1"/>
<fsummary>Format an error descriptor</fsummary>
<desc>
diff --git a/lib/stdlib/src/epp.erl b/lib/stdlib/src/epp.erl
index 68e079b7e5..d212a55b47 100644
--- a/lib/stdlib/src/epp.erl
+++ b/lib/stdlib/src/epp.erl
@@ -20,12 +20,12 @@
%% An Erlang code preprocessor.
--export([open/2,open/3,open/5,close/1,format_error/1]).
+-export([open/1, open/2,open/3,open/5,close/1,format_error/1]).
-export([scan_erl_form/1,parse_erl_form/1,macro_defs/1]).
--export([parse_file/1, parse_file/3]).
+-export([parse_file/1, parse_file/2, parse_file/3]).
-export([default_encoding/0, encoding_to_string/1,
read_encoding_from_binary/1, read_encoding_from_binary/2,
- set_encoding/1, read_encoding/1, read_encoding/2]).
+ set_encoding/1, set_encoding/2, read_encoding/1, read_encoding/2]).
-export([interpret_file_attribute/1]).
-export([normalize_typed_record_fields/1,restore_typed_record_fields/1]).
@@ -37,9 +37,11 @@
-type epp_handle() :: pid().
-type source_encoding() :: latin1 | utf8.
+-define(DEFAULT_ENCODING, utf8).
+
%% Epp state record.
-record(epp, {file, %Current file
- location, %Current location
+ location=1, %Current location
delta, %Offset from Location (-file)
name="", %Current file name
name2="", %-"-, modified by -file
@@ -48,6 +50,7 @@
path=[], %Include-path
macs = dict:new() :: dict:dict(),%Macros (don't care locations)
uses = dict:new() :: dict:dict(),%Macro use structure
+ default_encoding = ?DEFAULT_ENCODING :: source_encoding(),
pre_opened = false :: boolean()
}).
@@ -58,6 +61,7 @@
%%% distinction in the internal representation would simplify the code
%%% a little.
+%% open(Options)
%% open(FileName, IncludePath)
%% open(FileName, IncludePath, PreDefMacros)
%% open(FileName, IoDevice, StartLocation, IncludePath, PreDefMacros)
@@ -65,6 +69,7 @@
%% scan_erl_form(Epp)
%% parse_erl_form(Epp)
%% parse_file(Epp)
+%% parse_file(FileName, Options)
%% parse_file(FileName, IncludePath, PreDefMacros)
%% macro_defs(Epp)
@@ -87,14 +92,43 @@ open(Name, Path) ->
ErrorDescriptor :: term().
open(Name, Path, Pdm) ->
- Self = self(),
- Epp = spawn(fun() -> server(Self, Name, Path, Pdm) end),
- epp_request(Epp).
+ internal_open([{name, Name}, {includes, Path}, {macros, Pdm}], #epp{}).
open(Name, File, StartLocation, Path, Pdm) ->
- Self = self(),
- Epp = spawn(fun() -> server(Self, Name, File, StartLocation,Path,Pdm) end),
- epp_request(Epp).
+ internal_open([{name, Name}, {includes, Path}, {macros, Pdm}],
+ #epp{file=File, pre_opened=true, location=StartLocation}).
+
+-spec open(Options) ->
+ {'ok', Epp} | {'ok', Epp, Extra} | {'error', ErrorDescriptor} when
+ Options :: [{'default_encoding', DefEncoding :: source_encoding()} |
+ {'includes', IncludePath :: [DirectoryName :: file:name()]} |
+ {'macros', PredefMacros :: macros()} |
+ {'name',FileName :: file:name()} |
+ 'extra'],
+ Epp :: epp_handle(),
+ Extra :: [{'encoding', source_encoding() | 'none'}],
+ ErrorDescriptor :: term().
+
+open(Options) ->
+ internal_open(Options, #epp{}).
+
+internal_open(Options, St) ->
+ case proplists:get_value(name, Options) of
+ undefined ->
+ erlang:error(badarg);
+ Name ->
+ Self = self(),
+ Epp = spawn(fun() -> server(Self, Name, Options, St) end),
+ case epp_request(Epp) of
+ {ok, Pid, Encoding} ->
+ case proplists:get_bool(extra, Options) of
+ true -> {ok, Pid, [{encoding, Encoding}]};
+ false -> {ok, Pid}
+ end;
+ Other ->
+ Other
+ end
+ end.
-spec close(Epp) -> 'ok' when
Epp :: epp_handle().
@@ -170,9 +204,6 @@ format_error({'NYI',What}) ->
io_lib:format("not yet implemented '~s'", [What]);
format_error(E) -> file:format_error(E).
-%% parse_file(FileName, IncludePath, [PreDefMacro]) ->
-%% {ok,[Form]} | {error,OpenError}
-
-spec parse_file(FileName, IncludePath, PredefMacros) ->
{'ok', [Form]} | {error, OpenError} when
FileName :: file:name(),
@@ -184,17 +215,40 @@ format_error(E) -> file:format_error(E).
OpenError :: file:posix() | badarg | system_limit.
parse_file(Ifile, Path, Predefs) ->
- case open(Ifile, Path, Predefs) of
+ parse_file(Ifile, [{includes, Path}, {macros, Predefs}]).
+
+-spec parse_file(FileName, Options) ->
+ {'ok', [Form]} | {'ok', [Form], Extra} | {error, OpenError} when
+ FileName :: file:name(),
+ Options :: [{'includes', IncludePath :: [DirectoryName :: file:name()]} |
+ {'macros', PredefMacros :: macros()} |
+ {'default_encoding', DefEncoding :: source_encoding()} |
+ 'extra'],
+ Form :: erl_parse:abstract_form() | {'error', ErrorInfo} | {'eof',Line},
+ Line :: erl_scan:line(),
+ ErrorInfo :: erl_scan:error_info() | erl_parse:error_info(),
+ Extra :: [{'encoding', source_encoding() | 'none'}],
+ OpenError :: file:posix() | badarg | system_limit.
+
+parse_file(Ifile, Options) ->
+ case internal_open([{name, Ifile} | Options], #epp{}) of
{ok,Epp} ->
Forms = parse_file(Epp),
close(Epp),
{ok,Forms};
+ {ok,Epp,Extra} ->
+ Forms = parse_file(Epp),
+ close(Epp),
+ {ok,Forms,Extra};
{error,E} ->
{error,E}
end.
-%% parse_file(Epp) ->
-%% [Form]
+-spec parse_file(Epp) -> [Form] when
+ Epp :: epp_handle(),
+ Form :: erl_parse:abstract_form() | {'error', ErrorInfo} | {'eof',Line},
+ Line :: erl_scan:line(),
+ ErrorInfo :: erl_scan:error_info() | erl_parse:error_info().
parse_file(Epp) ->
case parse_erl_form(Epp) of
@@ -219,8 +273,6 @@ parse_file(Epp) ->
[{eof,Location}]
end.
--define(DEFAULT_ENCODING, utf8).
-
-spec default_encoding() -> source_encoding().
default_encoding() ->
@@ -258,9 +310,16 @@ read_encoding(Name, Options) ->
File :: io:device(). % pid(); raw files don't work
set_encoding(File) ->
+ set_encoding(File, ?DEFAULT_ENCODING).
+
+-spec set_encoding(File, Default) -> source_encoding() | none when
+ Default :: source_encoding(),
+ File :: io:device(). % pid(); raw files don't work
+
+set_encoding(File, Default) ->
Encoding = read_encoding_from_file(File, true),
Enc = case Encoding of
- none -> default_encoding();
+ none -> Default;
Encoding -> Encoding
end,
ok = io:setopts(File, [{encoding, Enc}]),
@@ -446,35 +505,37 @@ restore_typed_record_fields([{attribute,La,type,{{record,Record},Fields,[]}}|
restore_typed_record_fields([Form|Forms]) ->
[Form|restore_typed_record_fields(Forms)].
-%% server(StarterPid, FileName, Path, PreDefMacros)
-
-server(Pid, Name, Path, Pdm) ->
+server(Pid, Name, Options, #epp{pre_opened=PreOpened}=St) ->
process_flag(trap_exit, true),
- case file:open(Name, [read]) of
- {ok,File} ->
- Location = 1,
- init_server(Pid, Name, File, Location, Path, Pdm, false);
- {error,E} ->
- epp_reply(Pid, {error,E})
+ case PreOpened of
+ false ->
+ case file:open(Name, [read]) of
+ {ok,File} ->
+ init_server(Pid, Name, Options, St#epp{file = File});
+ {error,E} ->
+ epp_reply(Pid, {error,E})
+ end;
+ true ->
+ init_server(Pid, Name, Options, St)
end.
-%% server(StarterPid, FileName, IoDevice, Location, Path, PreDefMacros)
-server(Pid, Name, File, AtLocation, Path, Pdm) ->
- process_flag(trap_exit, true),
- init_server(Pid, Name, File, AtLocation, Path, Pdm, true).
-
-init_server(Pid, Name, File, AtLocation, Path, Pdm, Pre) ->
+init_server(Pid, Name, Options, St0) ->
+ Pdm = proplists:get_value(macros, Options, []),
Ms0 = predef_macros(Name),
case user_predef(Pdm, Ms0) of
{ok,Ms1} ->
- _ = set_encoding(File),
- epp_reply(Pid, {ok,self()}),
+ #epp{file = File, location = AtLocation} = St0,
+ DefEncoding = proplists:get_value(default_encoding, Options,
+ ?DEFAULT_ENCODING),
+ Encoding = set_encoding(File, DefEncoding),
+ epp_reply(Pid, {ok,self(),Encoding}),
%% ensure directory of current source file is
%% first in path
- Path1 = [filename:dirname(Name) | Path],
- St = #epp{file=File, location=AtLocation, delta=0,
- name=Name, name2=Name, path=Path1, macs=Ms1,
- pre_opened = Pre},
+ Path = [filename:dirname(Name) |
+ proplists:get_value(includes, Options, [])],
+ St = St0#epp{delta=0, name=Name, name2=Name,
+ path=Path, macs=Ms1,
+ default_encoding=DefEncoding},
From = wait_request(St),
enter_file_reply(From, Name, AtLocation, AtLocation),
wait_req_scan(St);
@@ -600,9 +661,11 @@ enter_file2(NewF, Pname, From, St0, AtLocation) ->
%% the path) must be dropped, otherwise the path used within the current
%% file will depend on the order of file inclusions in the parent files
Path = [filename:dirname(Pname) | tl(St0#epp.path)],
- _ = set_encoding(NewF),
+ DefEncoding = St0#epp.default_encoding,
+ _ = set_encoding(NewF, DefEncoding),
#epp{file=NewF,location=Loc,name=Pname,name2=Pname,delta=0,
- sstk=[St0|St0#epp.sstk],path=Path,macs=Ms}.
+ sstk=[St0|St0#epp.sstk],path=Path,macs=Ms,
+ default_encoding=DefEncoding}.
enter_file_reply(From, Name, Location, AtLocation) ->
Attr = loc_attr(AtLocation),
diff --git a/lib/stdlib/src/erl_eval.erl b/lib/stdlib/src/erl_eval.erl
index 3a4108e297..acde3ad5d6 100644
--- a/lib/stdlib/src/erl_eval.erl
+++ b/lib/stdlib/src/erl_eval.erl
@@ -18,6 +18,9 @@
%%
-module(erl_eval).
+%% Guard is_map/1 is not yet supported in HiPE.
+-compile(no_native).
+
%% An evaluator for Erlang abstract syntax.
-export([exprs/2,exprs/3,exprs/4,expr/2,expr/3,expr/4,expr/5,
@@ -243,11 +246,18 @@ expr({record,_,_,Name,_}, _Bs, _Lf, _Ef, _RBs) ->
%% map
expr({map,_, Binding,Es}, Bs0, Lf, Ef, RBs) ->
{value, Map0, Bs1} = expr(Binding, Bs0, Lf, Ef, RBs),
- {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);
+ case Map0 of
+ #{} ->
+ {Vs,Bs} = eval_map_fields(Es, Bs1, 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);
+ _ ->
+ erlang:raise(error, {badarg,Map0}, stacktrace())
+ end;
expr({map,_,Es}, Bs0, Lf, Ef, RBs) ->
{Vs,Bs} = eval_map_fields(Es, Bs0, Lf, Ef),
ret_expr(lists:foldl(fun
@@ -1113,9 +1123,10 @@ match1({tuple,_,Elts}, Tuple, Bs, BBs)
match_tuple(Elts, Tuple, 1, Bs, BBs);
match1({tuple,_,_}, _, _Bs, _BBs) ->
throw(nomatch);
-match1({map,_,Fs}, Map, Bs, BBs) ->
+match1({map,_,Fs}, #{}=Map, Bs, BBs) ->
match_map(Fs, Map, Bs, BBs);
-
+match1({map,_,_}, _, _Bs, _BBs) ->
+ throw(nomatch);
match1({bin, _, Fs}, <<_/bitstring>>=B, Bs0, BBs) ->
eval_bits:match_bits(Fs, B, Bs0, BBs,
match_fun(BBs),
diff --git a/lib/stdlib/src/erl_lint.erl b/lib/stdlib/src/erl_lint.erl
index 269e4b34cf..4c0261a1ad 100644
--- a/lib/stdlib/src/erl_lint.erl
+++ b/lib/stdlib/src/erl_lint.erl
@@ -225,6 +225,8 @@ format_error({too_many_arguments,Arity}) ->
"maximum allowed is ~w", [Arity,?MAX_ARGUMENTS]);
%% --- patterns and guards ---
format_error(illegal_pattern) -> "illegal pattern";
+format_error(illegal_map_key) ->
+ "illegal map key";
format_error({illegal_map_key_variable,K}) ->
io_lib:format("illegal use of variable ~w in map",[K]);
format_error(illegal_bin_pattern) ->
@@ -1385,19 +1387,20 @@ pattern({cons,_Line,H,T}, Vt, Old, Bvt, St0) ->
pattern({tuple,_Line,Ps}, Vt, Old, Bvt, St) ->
pattern_list(Ps, Vt, Old, Bvt, St);
pattern({map,_Line,Ps}, Vt, Old, Bvt, St) ->
- foldl(fun ({map_field_assoc,L,_,_}, {Psvt,Bvt0,St0}) ->
- {Psvt,Bvt0,add_error(L, illegal_pattern, St0)};
- ({map_field_exact,L,KP,VP}, {Psvt,Bvt0,St0}) ->
- case expr(KP, [], St0) of
- {[],_} ->
- {Pvt,Bvt1,St1} = pattern(VP, Vt, Old, Bvt, St0),
- {vtmerge_pat(Pvt, Psvt),vtmerge_pat(Bvt0, Bvt1),
- St1};
- {[Var|_],_} ->
- Error = {illegal_map_key_variable,element(1, Var)},
- {Psvt,Bvt0,add_error(L, Error, St0)}
- end
- end, {[],[],St}, Ps);
+ foldl(fun
+ ({map_field_assoc,L,_,_}, {Psvt,Bvt0,St0}) ->
+ {Psvt,Bvt0,add_error(L, illegal_pattern, St0)};
+ ({map_field_exact,L,KP,VP}, {Psvt,Bvt0,St0}) ->
+ case is_valid_map_key(KP, St0) of
+ true ->
+ {Pvt,Bvt1,St1} = pattern(VP, Vt, Old, Bvt, St0),
+ {vtmerge_pat(Pvt, Psvt),vtmerge_pat(Bvt0, Bvt1), St1};
+ false ->
+ {Psvt,Bvt0,add_error(L, illegal_map_key, St0)};
+ {false,variable,Var} ->
+ {Psvt,Bvt0,add_error(L, {illegal_map_key_variable,Var}, St0)}
+ end
+ end, {[],[],St}, Ps);
%%pattern({struct,_Line,_Tag,Ps}, Vt, Old, Bvt, St) ->
%% pattern_list(Ps, Vt, Old, Bvt, St);
pattern({record_index,Line,Name,Field}, _Vt, _Old, _Bvt, St) ->
@@ -2237,9 +2240,10 @@ check_assoc_fields([], St) ->
map_fields([{Tag,Line,K,V}|Fs], Vt, St, F) when Tag =:= map_field_assoc;
Tag =:= map_field_exact ->
St1 = case is_valid_map_key(K, St) of
- true -> St;
- {false,Var} -> add_error(Line, {illegal_map_key_variable,Var}, St)
- end,
+ true -> St;
+ false -> add_error(Line, illegal_map_key, St);
+ {false,variable,Var} -> add_error(Line, {illegal_map_key_variable,Var}, St)
+ end,
{Pvt,St2} = F([K,V], Vt, St1),
{Vts,St3} = map_fields(Fs, Vt, St2, F),
{vtupdate(Pvt, Vts),St3};
@@ -2298,11 +2302,64 @@ is_valid_call(Call) ->
_ -> true
end.
+%% is_valid_map_key(K,St) -> true | false | {false, Var::atom()}
+%% check for value expression without variables
+
is_valid_map_key(K,St) ->
case expr(K,[],St) of
- {[],_} -> true;
+ {[],_} ->
+ is_valid_map_key_value(K);
{[Var|_],_} ->
- {false,element(1,Var)}
+ {false,variable,element(1,Var)}
+ end.
+
+is_valid_map_key_value(K) ->
+ case K of
+ {char,_,_} -> true;
+ {integer,_,_} -> true;
+ {float,_,_} -> true;
+ {string,_,_} -> true;
+ {nil,_} -> true;
+ {atom,_,_} -> true;
+ {cons,_,H,T} ->
+ is_valid_map_key_value(H) andalso
+ is_valid_map_key_value(T);
+ {tuple,_,Es} ->
+ foldl(fun(E,B) ->
+ B andalso is_valid_map_key_value(E)
+ end,true,Es);
+ {map,_,Arg,Ps} ->
+ % only check for value expressions to be valid
+ % invalid map expressions are later checked in
+ % core and kernel
+ is_valid_map_key_value(Arg) andalso foldl(fun
+ ({Tag,_,Ke,Ve},B) when Tag =:= map_field_assoc;
+ Tag =:= map_field_exact ->
+ B andalso is_valid_map_key_value(Ke)
+ andalso is_valid_map_key_value(Ve)
+ end,true,Ps);
+ {map,_,Ps} ->
+ foldl(fun
+ ({Tag,_,Ke,Ve},B) when Tag =:= map_field_assoc;
+ Tag =:= map_field_exact ->
+ B andalso is_valid_map_key_value(Ke)
+ andalso is_valid_map_key_value(Ve)
+ end, true, Ps);
+ {record,_,_,Fs} ->
+ foldl(fun
+ ({record_field,_,Ke,Ve},B) ->
+ B andalso is_valid_map_key_value(Ke)
+ andalso is_valid_map_key_value(Ve)
+ end,true,Fs);
+ {bin,_,Es} ->
+ % only check for value expressions to be valid
+ % invalid binary expressions are later checked in
+ % core and kernel
+ foldl(fun
+ ({bin_element,_,E,_,_},B) ->
+ B andalso is_valid_map_key_value(E)
+ end,true,Es);
+ _ -> false
end.
%% record_def(Line, RecordName, [RecField], State) -> State.
@@ -2727,6 +2784,7 @@ check_record_types([], _Name, _DefFields, SeenVars, St, _SeenFields) ->
{SeenVars, St}.
is_var_arity_type(tuple) -> true;
+is_var_arity_type(map) -> true;
is_var_arity_type(product) -> true;
is_var_arity_type(union) -> true;
is_var_arity_type(record) -> true;
@@ -2759,7 +2817,6 @@ is_default_type({iodata, 0}) -> true;
is_default_type({iolist, 0}) -> true;
is_default_type({list, 0}) -> true;
is_default_type({list, 1}) -> true;
-is_default_type({map, 0}) -> true;
is_default_type({maybe_improper_list, 0}) -> true;
is_default_type({maybe_improper_list, 2}) -> true;
is_default_type({mfa, 0}) -> true;
@@ -2790,6 +2847,7 @@ is_default_type({timeout, 0}) -> true;
is_default_type({var, 1}) -> true;
is_default_type(_) -> false.
+%% OTP 17.0
is_newly_introduced_builtin_type({Name, _}) when is_atom(Name) -> false.
is_obsolete_builtin_type(TypePair) ->
diff --git a/lib/stdlib/test/epp_SUITE.erl b/lib/stdlib/test/epp_SUITE.erl
index 0b4726c07a..b17e8bd186 100644
--- a/lib/stdlib/test/epp_SUITE.erl
+++ b/lib/stdlib/test/epp_SUITE.erl
@@ -26,7 +26,7 @@
pmod/1, not_circular/1, skip_header/1, otp_6277/1, otp_7702/1,
otp_8130/1, overload_mac/1, otp_8388/1, otp_8470/1, otp_8503/1,
otp_8562/1, otp_8665/1, otp_8911/1, otp_10302/1, otp_10820/1,
- otp_11728/1]).
+ otp_11728/1, encoding/1]).
-export([epp_parse_erl_form/2]).
@@ -68,7 +68,8 @@ all() ->
{group, variable}, otp_4870, otp_4871, otp_5362, pmod,
not_circular, skip_header, otp_6277, otp_7702, otp_8130,
overload_mac, otp_8388, otp_8470, otp_8503, otp_8562,
- otp_8665, otp_8911, otp_10302, otp_10820, otp_11728].
+ otp_8665, otp_8911, otp_10302, otp_10820, otp_11728,
+ encoding].
groups() ->
[{upcase_mac, [], [upcase_mac_1, upcase_mac_2]},
@@ -123,10 +124,22 @@ include_local(Config) when is_list(Config) ->
%%% regular epp:parse_file, the test case will time out, and then epp
%%% server will go on growing until we dump core.
epp_parse_file(File, Inc, Predef) ->
- {ok, Epp} = epp:open(File, Inc, Predef),
+ List = do_epp_parse_file(fun() ->
+ epp:open(File, Inc, Predef)
+ end),
+ List = do_epp_parse_file(fun() ->
+ Opts = [{name, File},
+ {includes, Inc},
+ {macros, Predef}],
+ epp:open(Opts)
+ end),
+ {ok, List}.
+
+do_epp_parse_file(Open) ->
+ {ok, Epp} = Open(),
List = collect_epp_forms(Epp),
epp:close(Epp),
- {ok, List}.
+ List.
collect_epp_forms(Epp) ->
Result = epp_parse_erl_form(Epp),
@@ -1413,6 +1426,63 @@ otp_11728(Config) when is_list(Config) ->
_ = file:delete(ErlFile),
ok.
+%% Check the new API for setting the default encoding.
+encoding(Config) when is_list(Config) ->
+ Dir = ?config(priv_dir, Config),
+ ErlFile = filename:join(Dir, "encoding.erl"),
+
+ %% Try a latin-1 file with no encoding given.
+ C1 = <<"-module(encoding).
+ %% ",246,"
+ ">>,
+ ok = file:write_file(ErlFile, C1),
+ {ok,[{attribute,1,file,_},
+ {attribute,1,module,encoding},
+ {error,_},
+ {error,{2,epp,cannot_parse}},
+ {eof,2}]} = epp:parse_file(ErlFile, []),
+ {ok,[{attribute,1,file,_},
+ {attribute,1,module,encoding},
+ {eof,3}]} =
+ epp:parse_file(ErlFile, [{default_encoding,latin1}]),
+ {ok,[{attribute,1,file,_},
+ {attribute,1,module,encoding},
+ {eof,3}],[{encoding,none}]} =
+ epp:parse_file(ErlFile, [{default_encoding,latin1},extra]),
+
+ %% Try a latin-1 file with encoding given in a comment.
+ C2 = <<"-module(encoding).
+ %% encoding: latin-1
+ %% ",246,"
+ ">>,
+ ok = file:write_file(ErlFile, C2),
+ {ok,[{attribute,1,file,_},
+ {attribute,1,module,encoding},
+ {eof,4}]} =
+ epp:parse_file(ErlFile, []),
+ {ok,[{attribute,1,file,_},
+ {attribute,1,module,encoding},
+ {eof,4}]} =
+ epp:parse_file(ErlFile, [{default_encoding,latin1}]),
+ {ok,[{attribute,1,file,_},
+ {attribute,1,module,encoding},
+ {eof,4}]} =
+ epp:parse_file(ErlFile, [{default_encoding,utf8}]),
+ {ok,[{attribute,1,file,_},
+ {attribute,1,module,encoding},
+ {eof,4}],[{encoding,latin1}]} =
+ epp:parse_file(ErlFile, [extra]),
+ {ok,[{attribute,1,file,_},
+ {attribute,1,module,encoding},
+ {eof,4}],[{encoding,latin1}]} =
+ epp:parse_file(ErlFile, [{default_encoding,latin1},extra]),
+ {ok,[{attribute,1,file,_},
+ {attribute,1,module,encoding},
+ {eof,4}],[{encoding,latin1}]} =
+ epp:parse_file(ErlFile, [{default_encoding,utf8},extra]),
+ ok.
+
+
check(Config, Tests) ->
eval_tests(Config, fun check_test/2, Tests).
diff --git a/lib/stdlib/test/erl_eval_SUITE.erl b/lib/stdlib/test/erl_eval_SUITE.erl
index e6512b7d71..b91d14b5b8 100644
--- a/lib/stdlib/test/erl_eval_SUITE.erl
+++ b/lib/stdlib/test/erl_eval_SUITE.erl
@@ -1451,6 +1451,8 @@ eep43(Config) when is_list(Config) ->
" {Map#{a := B},Map#{a => c},Map#{d => e}} "
"end.",
{#{a => b},#{a => c},#{a => b,d => e}}),
+ error_check("[camembert]#{}.", {badarg,[camembert]}),
+ error_check("#{} = 1.", {badmatch,1}),
ok.
%% Check the string in different contexts: as is; in fun; from compiled code.
diff --git a/lib/stdlib/test/erl_lint_SUITE.erl b/lib/stdlib/test/erl_lint_SUITE.erl
index 5d189006a1..673a3cf159 100644
--- a/lib/stdlib/test/erl_lint_SUITE.erl
+++ b/lib/stdlib/test/erl_lint_SUITE.erl
@@ -63,7 +63,7 @@
too_many_arguments/1,
basic_errors/1,bin_syntax_errors/1,
predef/1,
- maps/1
+ maps/1,maps_type/1
]).
% Default timetrap timeout (set in init_per_testcase).
@@ -91,7 +91,8 @@ all() ->
otp_11772, otp_11771, export_all,
bif_clash, behaviour_basic, behaviour_multiple,
otp_7550, otp_8051, format_warn, {group, on_load},
- too_many_arguments, basic_errors, bin_syntax_errors, predef, maps].
+ too_many_arguments, basic_errors, bin_syntax_errors, predef,
+ maps,maps_type].
groups() ->
[{unused_vars_warn, [],
@@ -3388,12 +3389,61 @@ maps(Config) ->
{error_in_illegal_map_construction,
<<"t() -> #{ a := X }.">>,
[],
- {errors,[{1,erl_lint,illegal_map_construction},
+ {errors,[{1,erl_lint,illegal_map_construction},
{1,erl_lint,{unbound_var,'X'}}],
- []}}],
+ []}},
+ {errors_in_map_keys,
+ <<"t(V) -> #{ a => 1,
+ #{a=>V} => 2,
+ #{ \"hi\" => wazzup, hi => ho } => yep,
+ [try a catch _:_ -> b end] => nope,
+ ok => 1.0,
+ [3+3] => nope,
+ 1.0 => yep,
+ {3.0+3} => nope,
+ {yep} => yep,
+ [case a of a -> a end] => nope
+ }.
+ ">>,
+ [],
+ {errors,[{2,erl_lint,{illegal_map_key_variable,'V'}},
+ {4,erl_lint,illegal_map_key},
+ {6,erl_lint,illegal_map_key},
+ {8,erl_lint,illegal_map_key},
+ {10,erl_lint,illegal_map_key}],[]}}],
[] = run(Config, Ts),
ok.
+maps_type(Config) when is_list(Config) ->
+ Ts = [
+ {maps_type1,
+ <<"
+ -type m() :: #{a => integer()}.
+ -spec t1(#{k=>term()}) -> {term(), map()}.
+
+ t1(#{k:=V}=M) -> {V,M}.
+
+ -spec t2(m()) -> integer().
+
+ t2(#{a:=V}) -> V.
+ ">>,
+ [],
+ []},
+ {maps_type2,
+ <<"
+ %% Built-in var arity map type:
+ -type map() :: tuple().
+ -type a() :: map().
+
+ -spec t(a()) -> a().
+ t(M) -> M.
+ ">>,
+ [],
+ {errors,[{3,erl_lint,{redefine_type,{map,0}}}],[]}}],
+ [] = run(Config, Ts),
+ ok.
+
+
run(Config, Tests) ->
F = fun({N,P,Ws,E}, BadL) ->
case catch run_test(Config, P, Ws) of