aboutsummaryrefslogtreecommitdiffstats
path: root/lib/stdlib
diff options
context:
space:
mode:
Diffstat (limited to 'lib/stdlib')
-rw-r--r--lib/stdlib/src/erl_lint.erl19
-rw-r--r--lib/stdlib/src/eval_bits.erl64
-rw-r--r--lib/stdlib/src/shell.erl4
-rw-r--r--lib/stdlib/test/erl_eval_SUITE.erl48
-rw-r--r--lib/stdlib/test/erl_lint_SUITE.erl112
-rw-r--r--lib/stdlib/vsn.mk2
6 files changed, 215 insertions, 34 deletions
diff --git a/lib/stdlib/src/erl_lint.erl b/lib/stdlib/src/erl_lint.erl
index deae9640f5..12505b33d1 100644
--- a/lib/stdlib/src/erl_lint.erl
+++ b/lib/stdlib/src/erl_lint.erl
@@ -152,8 +152,6 @@ format_error({attribute,A}) ->
io_lib:format("attribute '~w' after function definitions", [A]);
format_error({missing_qlc_hrl,A}) ->
io_lib:format("qlc:q/~w called, but \"qlc.hrl\" not included", [A]);
-format_error({redefine_import,{bif,{F,A},M}}) ->
- io_lib:format("function ~w/~w already auto-imported from ~w", [F,A,M]);
format_error({redefine_import,{{F,A},M}}) ->
io_lib:format("function ~w/~w already imported from ~w", [F,A,M]);
format_error({bad_inline,{F,A}}) ->
@@ -222,8 +220,6 @@ format_error({removed, MFA, String}) when is_list(String) ->
io_lib:format("~s: ~s", [format_mfa(MFA), String]);
format_error({obsolete_guard, {F, A}}) ->
io_lib:format("~p/~p obsolete", [F, A]);
-format_error({reserved_for_future,K}) ->
- io_lib:format("atom ~w: future reserved keyword - rename or quote", [K]);
format_error({too_many_arguments,Arity}) ->
io_lib:format("too many arguments (~w) - "
"maximum allowed is ~w", [Arity,?MAX_ARGUMENTS]);
@@ -236,11 +232,6 @@ format_error({illegal_guard_local_call, {F,A}}) ->
io_lib:format("call to local/imported function ~w/~w is illegal in guard",
[F,A]);
format_error(illegal_guard_expr) -> "illegal guard expression";
-%% --- exports ---
-format_error({explicit_export,F,A}) ->
- io_lib:format("in this release, the call to ~w/~w must be written "
- "like this: erlang:~w/~w",
- [F,A,F,A]);
%% --- records ---
format_error({undefined_record,T}) ->
io_lib:format("record ~w undefined", [T]);
@@ -278,8 +269,6 @@ format_error({variable_in_record_def,V}) ->
%% --- binaries ---
format_error({undefined_bittype,Type}) ->
io_lib:format("bit type ~w undefined", [Type]);
-format_error({bittype_mismatch,T1,T2,What}) ->
- io_lib:format("bit type mismatch (~s) between ~p and ~p", [What,T1,T2]);
format_error(bittype_unit) ->
"a bit unit size must not be specified unless a size is specified too";
format_error(illegal_bitsize) ->
@@ -1798,11 +1787,9 @@ gexpr({call,Line,{atom,_La,F},As}, Vt, St0) ->
%% BifClash - Function called in guard
case erl_internal:guard_bif(F, A) andalso no_guard_bif_clash(St1,{F,A}) of
true ->
- %% Also check that it is auto-imported.
- case erl_internal:bif(F, A) of
- true -> {Asvt,St1};
- false -> {Asvt,add_error(Line, {explicit_export,F,A}, St1)}
- end;
+ %% Assert that it is auto-imported.
+ true = erl_internal:bif(F, A),
+ {Asvt,St1};
false ->
case is_local_function(St1#lint.locals,{F,A}) orelse
is_imported_function(St1#lint.imports,{F,A}) of
diff --git a/lib/stdlib/src/eval_bits.erl b/lib/stdlib/src/eval_bits.erl
index f40904df1c..e49cbc1fd1 100644
--- a/lib/stdlib/src/eval_bits.erl
+++ b/lib/stdlib/src/eval_bits.erl
@@ -2,7 +2,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1999-2011. All Rights Reserved.
+%% Copyright Ericsson AB 1999-2013. 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
@@ -67,7 +67,8 @@ expr_grp([], Bs0, _Lf, Acc) ->
{value,Acc,Bs0}.
eval_field({bin_element, _, {string, _, S}, default, default}, Bs0, _Fun) ->
- {list_to_binary(S),Bs0};
+ Latin1 = [C band 16#FF || C <- S],
+ {list_to_binary(Latin1),Bs0};
eval_field({bin_element, Line, {string, _, S}, Size0, Options0}, Bs, _Fun) ->
{_Size,[Type,_Unit,_Sign,Endian]} =
make_bit_type(Line, Size0, Options0),
@@ -162,8 +163,10 @@ bin_gen([], Bin, _Bs0, _BBs0, _Mfun, _Efun, false) ->
bin_gen_field({bin_element,_,{string,_,S},default,default},
Bin, Bs, BBs, _Mfun, _Efun) ->
- Bits = list_to_binary(S),
- Size = byte_size(Bits),
+ Bits = try list_to_binary(S)
+ catch _:_ -> <<>>
+ end,
+ Size = length(S),
case Bin of
<<Bits:Size/binary,Rest/bitstring>> ->
{match,Bs,BBs,Rest};
@@ -172,16 +175,42 @@ bin_gen_field({bin_element,_,{string,_,S},default,default},
_ ->
done
end;
+bin_gen_field({bin_element,Line,{string,SLine,S},Size0,Options0},
+ Bin0, Bs0, BBs0, Mfun, Efun) ->
+ {Size1, [Type,{unit,Unit},Sign,Endian]} =
+ make_bit_type(Line, Size0, Options0),
+ match_check_size(Mfun, Size1, BBs0),
+ {value, Size, _BBs} = Efun(Size1, BBs0),
+ F = fun(C, Bin, Bs, BBs) ->
+ bin_gen_field1(Bin, Type, Size, Unit, Sign, Endian,
+ {integer,SLine,C}, Bs, BBs, Mfun)
+ end,
+ bin_gen_field_string(S, Bin0, Bs0, BBs0, F);
bin_gen_field({bin_element,Line,VE,Size0,Options0},
Bin, Bs0, BBs0, Mfun, Efun) ->
{Size1, [Type,{unit,Unit},Sign,Endian]} =
make_bit_type(Line, Size0, Options0),
V = erl_eval:partial_eval(VE),
+ NewV = coerce_to_float(V, Type),
match_check_size(Mfun, Size1, BBs0),
{value, Size, _BBs} = Efun(Size1, BBs0),
+ bin_gen_field1(Bin, Type, Size, Unit, Sign, Endian, NewV, Bs0, BBs0, Mfun).
+
+bin_gen_field_string([], Rest, Bs, BBs, _F) ->
+ {match,Bs,BBs,Rest};
+bin_gen_field_string([C|Cs], Bin0, Bs0, BBs0, Fun) ->
+ case Fun(C, Bin0, Bs0, BBs0) of
+ {match,Bs,BBs,Rest} ->
+ bin_gen_field_string(Cs, Rest, Bs, BBs, Fun);
+ {nomatch,Rest} ->
+ {nomatch,Rest};
+ done ->
+ done
+ end.
+
+bin_gen_field1(Bin, Type, Size, Unit, Sign, Endian, NewV, Bs0, BBs0, Mfun) ->
case catch get_value(Bin, Type, Size, Unit, Sign, Endian) of
{Val,<<_/bitstring>>=Rest} ->
- NewV = coerce_to_float(V, Type),
case catch Mfun(match, {NewV,Val,Bs0}) of
{match,Bs} ->
BBs = add_bin_binding(Mfun, NewV, Bs, BBs0),
@@ -223,20 +252,41 @@ match_bits_1([F|Fs], Bits0, Bs0, BBs0, Mfun, Efun) ->
match_field_1({bin_element,_,{string,_,S},default,default},
Bin, Bs, BBs, _Mfun, _Efun) ->
- Bits = list_to_binary(S),
+ Bits = list_to_binary(S), % fails if there are characters > 255
Size = byte_size(Bits),
<<Bits:Size/binary,Rest/binary-unit:1>> = Bin,
{Bs,BBs,Rest};
+match_field_1({bin_element,Line,{string,SLine,S},Size0,Options0},
+ Bin0, Bs0, BBs0, Mfun, Efun) ->
+ {Size1, [Type,{unit,Unit},Sign,Endian]} =
+ make_bit_type(Line, Size0, Options0),
+ Size2 = erl_eval:partial_eval(Size1),
+ match_check_size(Mfun, Size2, BBs0),
+ {value, Size, _BBs} = Efun(Size2, BBs0),
+ F = fun(C, Bin, Bs, BBs) ->
+ match_field(Bin, Type, Size, Unit, Sign, Endian,
+ {integer,SLine,C}, Bs, BBs, Mfun)
+ end,
+ match_field_string(S, Bin0, Bs0, BBs0, F);
match_field_1({bin_element,Line,VE,Size0,Options0},
Bin, Bs0, BBs0, Mfun, Efun) ->
{Size1, [Type,{unit,Unit},Sign,Endian]} =
make_bit_type(Line, Size0, Options0),
V = erl_eval:partial_eval(VE),
+ NewV = coerce_to_float(V, Type),
Size2 = erl_eval:partial_eval(Size1),
match_check_size(Mfun, Size2, BBs0),
{value, Size, _BBs} = Efun(Size2, BBs0),
+ match_field(Bin, Type, Size, Unit, Sign, Endian, NewV, Bs0, BBs0, Mfun).
+
+match_field_string([], Rest, Bs, BBs, _Fun) ->
+ {Bs,BBs,Rest};
+match_field_string([C|Cs], Bin0, Bs0, BBs0, Fun) ->
+ {Bs,BBs,Bin} = Fun(C, Bin0, Bs0, BBs0),
+ match_field_string(Cs, Bin, Bs, BBs, Fun).
+
+match_field(Bin, Type, Size, Unit, Sign, Endian, NewV, Bs0, BBs0, Mfun) ->
{Val,Rest} = get_value(Bin, Type, Size, Unit, Sign, Endian),
- NewV = coerce_to_float(V, Type),
{match,Bs} = Mfun(match, {NewV,Val,Bs0}),
BBs = add_bin_binding(Mfun, NewV, Bs, BBs0),
{Bs,BBs,Rest}.
diff --git a/lib/stdlib/src/shell.erl b/lib/stdlib/src/shell.erl
index 203d2a4f76..0cd408204e 100644
--- a/lib/stdlib/src/shell.erl
+++ b/lib/stdlib/src/shell.erl
@@ -185,7 +185,7 @@ server(StartSync) ->
%% Check if we're in user restricted mode.
RShErr =
case application:get_env(stdlib, restricted_shell) of
- {ok,RShMod} ->
+ {ok,RShMod} when is_atom(RShMod) ->
io:fwrite(<<"Restricted ">>, []),
case code:ensure_loaded(RShMod) of
{module,RShMod} ->
@@ -193,6 +193,8 @@ server(StartSync) ->
{error,What} ->
{RShMod,What}
end;
+ {ok, Term} ->
+ {Term,not_an_atom};
undefined ->
undefined
end,
diff --git a/lib/stdlib/test/erl_eval_SUITE.erl b/lib/stdlib/test/erl_eval_SUITE.erl
index 04d49770cb..d3c91c7326 100644
--- a/lib/stdlib/test/erl_eval_SUITE.erl
+++ b/lib/stdlib/test/erl_eval_SUITE.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1998-2012. All Rights Reserved.
+%% Copyright Ericsson AB 1998-2013. 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
@@ -37,6 +37,7 @@
otp_6977/1,
otp_7550/1,
otp_8133/1,
+ otp_10622/1,
funs/1,
try_catch/1,
eval_expr_5/1,
@@ -79,7 +80,7 @@ all() ->
pattern_expr, match_bin, guard_3, guard_4, lc,
simple_cases, unary_plus, apply_atom, otp_5269,
otp_6539, otp_6543, otp_6787, otp_6977, otp_7550,
- otp_8133, funs, try_catch, eval_expr_5, zero_width].
+ otp_8133, otp_10622, funs, try_catch, eval_expr_5, zero_width].
groups() ->
[].
@@ -960,6 +961,7 @@ otp_8133(Config) when is_list(Config) ->
E = fun(N) ->
if
is_integer(N) -> <<N/integer>>;
+
true -> erlang:error(foo)
end
end,
@@ -980,6 +982,48 @@ otp_8133(Config) when is_list(Config) ->
ok),
ok.
+otp_10622(doc) ->
+ ["OTP-10622. Bugs."];
+otp_10622(suite) ->
+ [];
+otp_10622(Config) when is_list(Config) ->
+ check(fun() -> <<0>> = <<"\x{400}">> end,
+ "<<0>> = <<\"\\x{400}\">>. ",
+ <<0>>),
+ check(fun() -> <<"\x{aa}ff"/utf8>> = <<"\x{aa}ff"/utf8>> end,
+ "<<\"\\x{aa}ff\"/utf8>> = <<\"\\x{aa}ff\"/utf8>>. ",
+ <<"�\xaaff">>),
+ %% The same bug as last example:
+ check(fun() -> case <<"foo"/utf8>> of
+ <<"foo"/utf8>> -> true
+ end
+ end,
+ "case <<\"foo\"/utf8>> of <<\"foo\"/utf8>> -> true end.",
+ true),
+ check(fun() -> <<"\x{400}"/utf8>> = <<"\x{400}"/utf8>> end,
+ "<<\"\\x{400}\"/utf8>> = <<\"\\x{400}\"/utf8>>. ",
+ <<208,128>>),
+ error_check("<<\"\\x{aaa}\">> = <<\"\\x{aaa}\">>.",
+ {badmatch,<<"\xaa">>}),
+
+ check(fun() -> [a || <<"\x{aaa}">> <= <<2703:16>>] end,
+ "[a || <<\"\\x{aaa}\">> <= <<2703:16>>]. ",
+ []),
+ check(fun() -> [a || <<"\x{aa}"/utf8>> <= <<"\x{aa}"/utf8>>] end,
+ "[a || <<\"\\x{aa}\"/utf8>> <= <<\"\\x{aa}\"/utf8>>]. ",
+ [a]),
+ check(fun() -> [a || <<"\x{aa}x"/utf8>> <= <<"\x{aa}y"/utf8>>] end,
+ "[a || <<\"\\x{aa}x\"/utf8>> <= <<\"\\x{aa}y\"/utf8>>]. ",
+ []),
+ check(fun() -> [a || <<"\x{aaa}">> <= <<"\x{aaa}">>] end,
+ "[a || <<\"\\x{aaa}\">> <= <<\"\\x{aaa}\">>]. ",
+ []),
+ check(fun() -> [a || <<"\x{aaa}"/utf8>> <= <<"\x{aaa}"/utf8>>] end,
+ "[a || <<\"\\x{aaa}\"/utf8>> <= <<\"\\x{aaa}\"/utf8>>]. ",
+ [a]),
+
+ ok.
+
funs(doc) ->
["Simple cases, just to cover some code."];
funs(suite) ->
diff --git a/lib/stdlib/test/erl_lint_SUITE.erl b/lib/stdlib/test/erl_lint_SUITE.erl
index 564f27a512..36229b6989 100644
--- a/lib/stdlib/test/erl_lint_SUITE.erl
+++ b/lib/stdlib/test/erl_lint_SUITE.erl
@@ -58,7 +58,8 @@
otp_8051/1,
format_warn/1,
on_load_successful/1, on_load_failing/1,
- too_many_arguments/1
+ too_many_arguments/1,
+ basic_errors/1,bin_syntax_errors/1
]).
% Default timetrap timeout (set in init_per_testcase).
@@ -84,7 +85,7 @@ all() ->
otp_5878, otp_5917, otp_6585, otp_6885, otp_10436, export_all,
bif_clash, behaviour_basic, behaviour_multiple,
otp_7550, otp_8051, format_warn, {group, on_load},
- too_many_arguments].
+ too_many_arguments, basic_errors, bin_syntax_errors].
groups() ->
[{unused_vars_warn, [],
@@ -1351,7 +1352,17 @@ guard(Config) when is_list(Config) ->
(is_record(X, apa)*2)].
">>,
[],
- []}],
+ []},
+ {guard8,
+ <<"t(A) when erlang:is_foobar(A) -> ok;
+ t(A) when A ! ok -> ok;
+ t(A) when A ++ [x] -> ok."
+ >>,
+ [],
+ {errors,[{1,erl_lint,illegal_guard_expr},
+ {2,erl_lint,illegal_guard_expr},
+ {3,erl_lint,illegal_guard_expr}],[]}}
+ ],
?line [] = run(Config, Ts1),
ok.
@@ -1639,6 +1650,7 @@ otp_5276(Config) when is_list(Config) ->
-deprecated([{'_','_',never}]).
-deprecated([{{badly,formed},1}]).
-deprecated([{'_','_',next_major_release}]).
+ -deprecated([{atom_to_list,1}]).
-export([t/0]).
frutt() -> ok.
t() -> ok.
@@ -1649,8 +1661,9 @@ otp_5276(Config) when is_list(Config) ->
{3,erl_lint,{invalid_deprecated,'foo bar'}},
{5,erl_lint,{bad_deprecated,{f,'_'}}},
{8,erl_lint,{invalid_deprecated,{'_','_',never}}},
- {9,erl_lint,{invalid_deprecated,{{badly,formed},1}}}],
- [{12,erl_lint,{unused_function,{frutt,0}}}]}}],
+ {9,erl_lint,{invalid_deprecated,{{badly,formed},1}}},
+ {11,erl_lint,{bad_deprecated,{atom_to_list,1}}}],
+ [{13,erl_lint,{unused_function,{frutt,0}}}]}}],
?line [] = run(Config, Ts),
ok.
@@ -1896,9 +1909,23 @@ otp_5362(Config) when is_list(Config) ->
warn_deprecated_function,
warn_bif_clash]},
{errors,
- [{2,erl_lint,disallowed_nowarn_bif_clash}],[]}}
+ [{2,erl_lint,disallowed_nowarn_bif_clash}],[]}},
- ],
+ {call_deprecated_function,
+ <<"t(X) -> erlang:hash(X, 2000).">>,
+ [],
+ {warnings,
+ [{1,erl_lint,{deprecated,{erlang,hash,2},
+ {erlang,phash2,2},"in a future release"}}]}},
+
+ {call_removed_function,
+ <<"t(X) -> regexp:match(X).">>,
+ [],
+ {warnings,
+ [{1,erl_lint,{removed,{regexp,match,1},
+ "removed in R15; use the re module instead"}}]}}
+
+ ],
?line [] = run(Config, Ts),
ok.
@@ -2971,6 +2998,77 @@ too_many_arguments(Config) when is_list(Config) ->
ok.
+%% Test some basic errors to improve coverage.
+basic_errors(Config) ->
+ Ts = [{redefine_module,
+ <<"-module(redefine_module).">>,
+ [],
+ {errors,[{1,erl_lint,redefine_module}],[]}},
+
+ {attr_after_function,
+ <<"f() -> ok.
+ -attr(x).">>,
+ [],
+ {errors,[{2,erl_lint,{attribute,attr}}],[]}},
+
+ {redefine_function,
+ <<"f() -> ok.
+ f() -> ok.">>,
+ [],
+ {errors,[{2,erl_lint,{redefine_function,{f,0}}}],[]}},
+
+ {redefine_record,
+ <<"-record(r, {a}).
+ -record(r, {a}).
+ f(#r{}) -> ok.">>,
+ [],
+ {errors,[{2,erl_lint,{redefine_record,r}}],[]}},
+
+ {illegal_record_info,
+ <<"f1() -> record_info(42, record).
+ f2() -> record_info(shoe_size, record).">>,
+ [],
+ {errors,[{1,erl_lint,illegal_record_info},
+ {2,erl_lint,illegal_record_info}],[]}},
+
+ {illegal_expr,
+ <<"f() -> a:b.">>,
+ [],
+ {errors,[{1,erl_lint,illegal_expr}],[]}},
+
+ {illegal_pattern,
+ <<"f(A+B) -> ok.">>,
+ [],
+ {errors,[{1,erl_lint,illegal_pattern}],[]}}
+ ],
+ [] = run(Config, Ts),
+ ok.
+
+%% Test binary syntax errors
+bin_syntax_errors(Config) ->
+ Ts = [{bin_syntax_errors,
+ <<"t(<<X:bad_size>>) -> X;
+ t(<<_:(x ! y)/integer>>) -> ok;
+ t(<<X:all/integer>>) -> X;
+ t(<<X/bad_type>>) -> X;
+ t(<<X/unit:8>>) -> X;
+ t(<<X:7/float>>) -> X;
+ t(<< <<_:8>> >>) -> ok;
+ t(<<(x ! y):8/integer>>) -> ok.
+ ">>,
+ [],
+ {error,[{1,erl_lint,illegal_bitsize},
+ {2,erl_lint,illegal_bitsize},
+ {3,erl_lint,illegal_bitsize},
+ {4,erl_lint,{undefined_bittype,bad_type}},
+ {5,erl_lint,bittype_unit},
+ {7,erl_lint,illegal_pattern},
+ {8,erl_lint,illegal_pattern}],
+ [{6,erl_lint,{bad_bitsize,"float"}}]}}
+ ],
+ [] = run(Config, Ts),
+ ok.
+
run(Config, Tests) ->
F = fun({N,P,Ws,E}, BadL) ->
case catch run_test(Config, P, Ws) of
diff --git a/lib/stdlib/vsn.mk b/lib/stdlib/vsn.mk
index 33d7a57cc3..c1467697e3 100644
--- a/lib/stdlib/vsn.mk
+++ b/lib/stdlib/vsn.mk
@@ -1 +1 @@
-STDLIB_VSN = 1.19
+STDLIB_VSN = 1.19.1