diff options
Diffstat (limited to 'lib/stdlib/src')
-rw-r--r-- | lib/stdlib/src/epp.erl | 4 | ||||
-rw-r--r-- | lib/stdlib/src/erl_eval.erl | 7 | ||||
-rw-r--r-- | lib/stdlib/src/erl_lint.erl | 19 | ||||
-rw-r--r-- | lib/stdlib/src/erl_scan.erl | 301 | ||||
-rw-r--r-- | lib/stdlib/src/eval_bits.erl | 64 | ||||
-rw-r--r-- | lib/stdlib/src/io_lib_pretty.erl | 68 | ||||
-rw-r--r-- | lib/stdlib/src/shell.erl | 7 |
7 files changed, 206 insertions, 264 deletions
diff --git a/lib/stdlib/src/epp.erl b/lib/stdlib/src/epp.erl index afa39c3fb9..1bb3b95ae2 100644 --- a/lib/stdlib/src/epp.erl +++ b/lib/stdlib/src/epp.erl @@ -661,7 +661,7 @@ leave_file(From, St) -> %% scan_toks(Tokens, From, EppState) scan_toks(From, St) -> - case io:scan_erl_form(St#epp.file, '', St#epp.location, [unicode]) of + case io:scan_erl_form(St#epp.file, '', St#epp.location) of {ok,Toks,Cl} -> scan_toks(Toks, From, St#epp{location=Cl}); {error,E,Cl} -> @@ -1035,7 +1035,7 @@ new_location(Ln, {Le,_}, {Lf,_}) -> %% nested conditionals and repeated 'else's. skip_toks(From, St, [I|Sis]) -> - case io:scan_erl_form(St#epp.file, '', St#epp.location, [unicode]) of + case io:scan_erl_form(St#epp.file, '', St#epp.location) of {ok,[{'-',_Lh},{atom,_Li,ifdef}|_Toks],Cl} -> skip_toks(From, St#epp{location=Cl}, [ifdef,I|Sis]); {ok,[{'-',_Lh},{atom,_Li,ifndef}|_Toks],Cl} -> diff --git a/lib/stdlib/src/erl_eval.erl b/lib/stdlib/src/erl_eval.erl index 1c3f91cbfc..0b57af1b6d 100644 --- a/lib/stdlib/src/erl_eval.erl +++ b/lib/stdlib/src/erl_eval.erl @@ -346,7 +346,12 @@ expr({call,_,{atom,_,Func},As0}, Bs0, Lf, Ef, RBs) -> expr({call,_,Func0,As0}, Bs0, Lf, Ef, RBs) -> % function or {Mod,Fun} {value,Func,Bs1} = expr(Func0, Bs0, Lf, Ef, none), {As,Bs2} = expr_list(As0, Bs1, Lf, Ef), - do_apply(Func, As, Bs2, Ef, RBs); + case Func of + {M,F} when is_atom(M), is_atom(F) -> + erlang:raise(error, {badfun,Func}, stacktrace()); + _ -> + do_apply(Func, As, Bs2, Ef, RBs) + end; expr({'catch',_,Expr}, Bs0, Lf, Ef, RBs) -> Ref = make_ref(), case catch {Ref,expr(Expr, Bs0, Lf, Ef, none)} of 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/erl_scan.erl b/lib/stdlib/src/erl_scan.erl index 26d5747ee7..3651f608bc 100644 --- a/lib/stdlib/src/erl_scan.erl +++ b/lib/stdlib/src/erl_scan.erl @@ -84,8 +84,7 @@ -type location() :: line() | {line(),column()}. -type resword_fun() :: fun((atom()) -> boolean()). -type option() :: 'return' | 'return_white_spaces' | 'return_comments' - | 'text' | {'reserved_word_fun', resword_fun()} - | 'unicode'. + | 'text' | {'reserved_word_fun', resword_fun()}. -type options() :: option() | [option()]. -type symbol() :: atom() | float() | integer() | string(). -type info_line() :: integer() | term(). @@ -106,8 +105,7 @@ {resword_fun = fun reserved_word/1 :: resword_fun(), ws = false :: boolean(), comment = false :: boolean(), - text = false :: boolean(), - unicode = true :: boolean()}). + text = false :: boolean()}). %%---------------------------------------------------------------------------- @@ -344,20 +342,12 @@ string_thing(_) -> "string". C > 16#DFFF andalso C < 16#FFFE orelse C > 16#FFFF andalso C =< 16#10FFFF)). -%% When the option 'unicode' is false: return Unicode strings as lists -%% of integers and Unicode characters as integers. For instance, -%% erl_scan:string("\"b\x{aaa}c\".") is equivalent to -%% erl_scan:string("[98,2730,99]."). This is to protect the caller -%% from character codes greater than 255. Search for UNI to find code -%% implementing this "feature". The 'unicode' option is undocumented -%% and will be removed later. --define(NO_UNICODE, 0). --define(UNI255(C), (C =< 16#ff)). +-define(UNI255(C), C >= 0, C =< 16#ff). options(Opts0) when is_list(Opts0) -> Opts = lists:foldr(fun expand_opt/2, [], Opts0), - [RW_fun, Unicode] = - case opts(Opts, [reserved_word_fun, unicode], []) of + [RW_fun] = + case opts(Opts, [reserved_word_fun], []) of badarg -> erlang:error(badarg, [Opts0]); R -> @@ -369,8 +359,7 @@ options(Opts0) when is_list(Opts0) -> #erl_scan{resword_fun = RW_fun, comment = Comment, ws = WS, - text = Txt, - unicode = Unicode}; + text = Txt}; options(Opt) -> options([Opt]). @@ -378,8 +367,6 @@ opts(Options, [Key|Keys], L) -> V = case lists:keyfind(Key, 1, Options) of {reserved_word_fun,F} when ?RESWORDFUN(F) -> {ok,F}; - {unicode, Bool} when is_boolean(Bool) -> - {ok,Bool}; {Key,_} -> badarg; false -> @@ -395,9 +382,7 @@ opts(_Options, [], L) -> lists:reverse(L). default_option(reserved_word_fun) -> - fun reserved_word/1; -default_option(unicode) -> - true. + fun reserved_word/1. expand_opt(return, Os) -> [return_comments,return_white_spaces|Os]; @@ -531,10 +516,10 @@ scan1("."=Cs, _St, Line, Col, Toks) -> scan1([$.=C|Cs], St, Line, Col, Toks) -> scan_dot(Cs, St, Line, Col, Toks, [C]); scan1([$"|Cs], St, Line, Col, Toks) -> %" Emacs - State0 = {[],[],Line,Col,?NO_UNICODE}, + State0 = {[],[],Line,Col}, scan_string(Cs, St, Line, incr_column(Col, 1), Toks, State0); scan1([$'|Cs], St, Line, Col, Toks) -> %' Emacs - State0 = {[],[],Line,Col,?NO_UNICODE}, + State0 = {[],[],Line,Col}, scan_qatom(Cs, St, Line, incr_column(Col, 1), Toks, State0); scan1([$$|Cs], St, Line, Col, Toks) -> scan_char(Cs, St, Line, Col, Toks); @@ -655,7 +640,7 @@ scan1([$~|Cs], St, Line, Col, Toks) -> scan1([$&|Cs], St, Line, Col, Toks) -> tok2(Cs, St, Line, Col, Toks, "&", '&', 1); %% End of optimization. -scan1([C|Cs], St, Line, Col, Toks) when ?CHAR(C), ?UNI255(C) -> +scan1([C|Cs], St, Line, Col, Toks) when ?UNI255(C) -> Str = [C], tok2(Cs, St, Line, Col, Toks, Str, list_to_atom(Str), 1); scan1([C|Cs], _St, Line, Col, _Toks) when ?CHAR(C) -> @@ -718,14 +703,16 @@ scan_name([], Ncs) -> scan_name(Cs, Ncs) -> {lists:reverse(Ncs),Cs}. +-define(STR(St, S), if St#erl_scan.text -> S; true -> [] end). + scan_dot([$%|_]=Cs, St, Line, Col, Toks, Ncs) -> Attrs = attributes(Line, Col, St, Ncs), {ok,[{dot,Attrs}|Toks],Cs,Line,incr_column(Col, 1)}; scan_dot([$\n=C|Cs], St, Line, Col, Toks, Ncs) -> - Attrs = attributes(Line, Col, St, Ncs++[C]), + Attrs = attributes(Line, Col, St, ?STR(St, Ncs++[C])), {ok,[{dot,Attrs}|Toks],Cs,Line+1,new_column(Col, 1)}; scan_dot([C|Cs], St, Line, Col, Toks, Ncs) when ?WHITE_SPACE(C) -> - Attrs = attributes(Line, Col, St, Ncs++[C]), + Attrs = attributes(Line, Col, St, ?STR(St, Ncs++[C])), {ok,[{dot,Attrs}|Toks],Cs,Line,incr_column(Col, 2)}; scan_dot(eof=Cs, St, Line, Col, Toks, Ncs) -> Attrs = attributes(Line, Col, St, Ncs), @@ -858,26 +845,20 @@ scan_char([$\\|Cs]=Cs0, St, Line, Col, Toks) -> {eof,Ncol} -> scan_error(char, Line, Col, Line, Ncol, eof); {nl,Val,Str,Ncs,Ncol} -> - Attrs = attributes(Line, Col, St, "$\\"++Str), %" + Attrs = attributes(Line, Col, St, ?STR(St, "$\\"++Str)), %" Ntoks = [{char,Attrs,Val}|Toks], scan1(Ncs, St, Line+1, Ncol, Ntoks); - {unicode,Val,Str,Ncs,Ncol} -> - Attrs = attributes(Line, Col, St, "$\\"++Str), %" - Tag = char_tag(Val, St), % UNI - Ntoks = [{Tag,Attrs,Val}|Toks], - scan1(Ncs, St, Line, Ncol, Ntoks); {Val,Str,Ncs,Ncol} -> - Attrs = attributes(Line, Col, St, "$\\"++Str), %" + Attrs = attributes(Line, Col, St, ?STR(St, "$\\"++Str)), %" Ntoks = [{char,Attrs,Val}|Toks], scan1(Ncs, St, Line, Ncol, Ntoks) end; scan_char([$\n=C|Cs], St, Line, Col, Toks) -> - Attrs = attributes(Line, Col, St, [$$,C]), + Attrs = attributes(Line, Col, St, ?STR(St, [$$,C])), scan1(Cs, St, Line+1, new_column(Col, 1), [{char,Attrs,C}|Toks]); scan_char([C|Cs], St, Line, Col, Toks) when ?UNICODE(C) -> - Tag = char_tag(C, St), % UNI - Attrs = attributes(Line, Col, St, [$$,C]), - scan1(Cs, St, Line, incr_column(Col, 2), [{Tag,Attrs,C}|Toks]); + Attrs = attributes(Line, Col, St, ?STR(St, [$$,C])), + scan1(Cs, St, Line, incr_column(Col, 2), [{char,Attrs,C}|Toks]); scan_char([C|_Cs], _St, Line, Col, _Toks) when ?CHAR(C) -> scan_error({illegal,character}, Line, Col, Line, incr_column(Col, 1), eof); scan_char([], _St, Line, Col, Toks) -> @@ -885,90 +866,32 @@ scan_char([], _St, Line, Col, Toks) -> scan_char(eof, _St, Line, Col, _Toks) -> scan_error(char, Line, Col, Line, incr_column(Col, 1), eof). --compile({inline,[char_tag/2]}). - -char_tag(C, _St) when ?UNI255(C) -> - char; -char_tag(_C, #erl_scan{unicode = true}) -> - char; -char_tag(_C, _St) -> - integer. - -scan_string(Cs, St, Line, Col, Toks, {Wcs,Str,Line0,Col0,Uni0}) -> - case scan_string0(Cs, St, Line, Col, $\", true, Str, Wcs, Uni0) of %" - {more,Ncs,Nline,Ncol,Nstr,Nwcs,Uni} -> - State = {Nwcs,Nstr,Line0,Col0,Uni}, +scan_string(Cs, St, Line, Col, Toks, {Wcs,Str,Line0,Col0}) -> + case scan_string0(Cs, St, Line, Col, $\", Str, Wcs) of %" + {more,Ncs,Nline,Ncol,Nstr,Nwcs} -> + State = {Nwcs,Nstr,Line0,Col0}, {more,{Ncs,Ncol,Toks,Nline,State,fun scan_string/6}}; {char_error,Ncs,Error,Nline,Ncol,EndCol} -> scan_error(Error, Nline, Ncol, Nline, EndCol, Ncs); {error,Nline,Ncol,Nwcs,Ncs} -> Estr = string:substr(Nwcs, 1, 16), % Expanded escape chars. scan_error({string,$\",Estr}, Line0, Col0, Nline, Ncol, Ncs); %" - {Ncs,Nline,Ncol,Nstr,Nwcs,Uni} when Uni =:= ?NO_UNICODE; - St#erl_scan.unicode -> + {Ncs,Nline,Ncol,Nstr,Nwcs} -> Attrs = attributes(Line0, Col0, St, Nstr), - scan1(Ncs, St, Nline, Ncol, [{string,Attrs,Nwcs}|Toks]); - {Ncs,Nline,Ncol,Nstr,_Nwcs,_Uni} -> - Ntoks = unicode_string_to_list(Line0, Col0, St, Nstr, Toks), - scan1(Ncs, St, Nline, Ncol, Ntoks) + scan1(Ncs, St, Nline, Ncol, [{string,Attrs,Nwcs}|Toks]) end. -%% UNI -unicode_string_to_list(Line, Col, St, [$"=C|Nstr], Toks) -> %" Emacs - Paren = {'[',attributes(Line, Col, St, [C])}, - u2l(Nstr, Line, incr_column(Col, 1), St, [Paren|Toks]). - -u2l([$"]=Cs, Line, Col, St, Toks) -> %" Emacs - [{']',attributes(Line, Col, St, Cs)}|Toks]; -u2l([$\n=C|Cs], Line, Col, St, Toks) -> - Ntoks = unicode_nl_tokens(Line, Col, [C], C, St, Toks, Cs), - u2l(Cs, Line+1, new_column(Col, 1), St, Ntoks); -u2l([$\\|Cs], Line, Col, St, Toks) -> - case scan_escape(Cs, Col) of - {nl,Val,ValStr,Ncs,Ncol} -> - Nstr = [$\\|ValStr], - Ntoks = unicode_nl_tokens(Line, Col, Nstr, Val, St, Toks, Ncs), - u2l(Ncs, Line+1, Ncol, St, Ntoks); - {unicode,Val,ValStr,Ncs,Ncol} -> - Nstr = [$\\|ValStr], - Ntoks = unicode_tokens(Line, Col, Nstr, Val, St, Toks, Ncs), - u2l(Ncs, Line, incr_column(Ncol, 1), St, Ntoks); - {Val,ValStr,Ncs,Ncol} -> - Nstr = [$\\|ValStr], - Ntoks = unicode_tokens(Line, Col, Nstr, Val, St, Toks, Ncs), - u2l(Ncs, Line, incr_column(Ncol, 1), St, Ntoks) - end; -u2l([C|Cs], Line, Col, St, Toks) -> - Ntoks = unicode_tokens(Line, Col, [C], C, St, Toks, Cs), - u2l(Cs, Line, incr_column(Col, 1), St, Ntoks). - -unicode_nl_tokens(Line, Col, Str, Val, St, Toks, Cs) -> - Ccol = new_column(Col, 1), - unicode_tokens(Line, Col, Str, Val, St, Toks, Cs, Line+1, Ccol). - -unicode_tokens(Line, Col, Str, Val, St, Toks, Cs) -> - Ccol = incr_column(Col, length(Str)), - unicode_tokens(Line, Col, Str, Val, St, Toks, Cs, Line, Ccol). - -unicode_tokens(Line, Col, Str, Val, St, Toks, Cs, Cline, Ccol) -> - Attrs = attributes(Line, Col, St, Str), - Tag = if ?UNI255(Val) -> char; true -> integer end, - Token = {Tag,Attrs,Val}, - [{',',attributes(Cline, Ccol, St, "")} || Cs =/= "\""] ++ [Token|Toks]. - -scan_qatom(Cs, St, Line, Col, Toks, {Wcs,Str,Line0,Col0,Uni0}) -> - AllowUni = St#erl_scan.unicode, - case scan_string0(Cs, St, Line, Col, $\', AllowUni, Str, Wcs, Uni0) of %' - {more,Ncs,Nline,Ncol,Nstr,Nwcs,Uni} -> - State = {Nwcs,Nstr,Line0,Col0,Uni}, +scan_qatom(Cs, St, Line, Col, Toks, {Wcs,Str,Line0,Col0}) -> + case scan_string0(Cs, St, Line, Col, $\', Str, Wcs) of %' + {more,Ncs,Nline,Ncol,Nstr,Nwcs} -> + State = {Nwcs,Nstr,Line0,Col0}, {more,{Ncs,Ncol,Toks,Nline,State,fun scan_qatom/6}}; {char_error,Ncs,Error,Nline,Ncol,EndCol} -> scan_error(Error, Nline, Ncol, Nline, EndCol, Ncs); {error,Nline,Ncol,Nwcs,Ncs} -> Estr = string:substr(Nwcs, 1, 16), % Expanded escape chars. scan_error({string,$\',Estr}, Line0, Col0, Nline, Ncol, Ncs); %' - {Ncs,Nline,Ncol,Nstr,Nwcs,Uni} -> - true = Uni =:= ?NO_UNICODE orelse AllowUni, + {Ncs,Nline,Ncol,Nstr,Nwcs} -> case catch list_to_atom(Nwcs) of A when is_atom(A) -> Attrs = attributes(Line0, Col0, St, Nstr), @@ -978,95 +901,75 @@ scan_qatom(Cs, St, Line, Col, Toks, {Wcs,Str,Line0,Col0,Uni0}) -> end end. -scan_string0(Cs, #erl_scan{text=false}, Line, no_col=Col, Q, U, [], Wcs, Uni) -> - scan_string_no_col(Cs, Line, Col, Q, U, Wcs, Uni); -scan_string0(Cs, #erl_scan{text=true}, Line, no_col=Col, Q, U, Str, Wcs, Uni) -> - scan_string1(Cs, Line, Col, Q, U, Str, Wcs, Uni); -scan_string0(Cs, _St, Line, Col, Q, U, [], Wcs, Uni) -> - scan_string_col(Cs, Line, Col, Q, U, Wcs, Uni); -scan_string0(Cs, _St, Line, Col, Q, U, Str, Wcs, Uni) -> - scan_string1(Cs, Line, Col, Q, U, Str, Wcs, Uni). +scan_string0(Cs, #erl_scan{text=false}, Line, no_col=Col, Q, [], Wcs) -> + scan_string_no_col(Cs, Line, Col, Q, Wcs); +scan_string0(Cs, #erl_scan{text=true}, Line, no_col=Col, Q, Str, Wcs) -> + scan_string1(Cs, Line, Col, Q, Str, Wcs); +scan_string0(Cs, St, Line, Col, Q, [], Wcs) -> + scan_string_col(Cs, St, Line, Col, Q, Wcs); +scan_string0(Cs, _St, Line, Col, Q, Str, Wcs) -> + scan_string1(Cs, Line, Col, Q, Str, Wcs). %% Optimization. Col =:= no_col. -scan_string_no_col([Q|Cs], Line, Col, Q, _U, Wcs, Uni) -> - {Cs,Line,Col,_DontCare=[],lists:reverse(Wcs),Uni}; -scan_string_no_col([$\n=C|Cs], Line, Col, Q, U, Wcs, Uni) -> - scan_string_no_col(Cs, Line+1, Col, Q, U, [C|Wcs], Uni); -scan_string_no_col([C|Cs], Line, Col, Q, U, Wcs, Uni) when C =/= $\\, - ?CHAR(C), - ?UNI255(C) -> - scan_string_no_col(Cs, Line, Col, Q, U, [C|Wcs], Uni); -scan_string_no_col(Cs, Line, Col, Q, U, Wcs, Uni) -> - scan_string1(Cs, Line, Col, Q, U, Wcs, Wcs, Uni). +scan_string_no_col([Q|Cs], Line, Col, Q, Wcs) -> + {Cs,Line,Col,_DontCare=[],lists:reverse(Wcs)}; +scan_string_no_col([$\n=C|Cs], Line, Col, Q, Wcs) -> + scan_string_no_col(Cs, Line+1, Col, Q, [C|Wcs]); +scan_string_no_col([C|Cs], Line, Col, Q, Wcs) when C =/= $\\, ?UNICODE(C) -> + scan_string_no_col(Cs, Line, Col, Q, [C|Wcs]); +scan_string_no_col(Cs, Line, Col, Q, Wcs) -> + scan_string1(Cs, Line, Col, Q, Wcs, Wcs). %% Optimization. Col =/= no_col. -scan_string_col([Q|Cs], Line, Col, Q, _U, Wcs0, Uni) -> +scan_string_col([Q|Cs], St, Line, Col, Q, Wcs0) -> Wcs = lists:reverse(Wcs0), - Str = [Q|Wcs++[Q]], - {Cs,Line,Col+1,Str,Wcs,Uni}; -scan_string_col([$\n=C|Cs], Line, _xCol, Q, U, Wcs, Uni) -> - scan_string_col(Cs, Line+1, 1, Q, U, [C|Wcs], Uni); -scan_string_col([C|Cs], Line, Col, Q, U, Wcs, Uni) when C =/= $\\, - ?CHAR(C), - ?UNI255(C) -> - scan_string_col(Cs, Line, Col+1, Q, U, [C|Wcs], Uni); -scan_string_col(Cs, Line, Col, Q, U, Wcs, Uni) -> - scan_string1(Cs, Line, Col, Q, U, Wcs, Wcs, Uni). - -%% UNI_STR is to be replaced by STR when the Unicode-string-to-list -%% workaround is eventually removed. --define(UNI_STR(Col, S), S). + Str = ?STR(St, [Q|Wcs++[Q]]), + {Cs,Line,Col+1,Str,Wcs}; +scan_string_col([$\n=C|Cs], St, Line, _xCol, Q, Wcs) -> + scan_string_col(Cs, St, Line+1, 1, Q, [C|Wcs]); +scan_string_col([C|Cs], St, Line, Col, Q, Wcs) when C =/= $\\, ?UNICODE(C) -> + scan_string_col(Cs, St, Line, Col+1, Q, [C|Wcs]); +scan_string_col(Cs, _St, Line, Col, Q, Wcs) -> + scan_string1(Cs, Line, Col, Q, Wcs, Wcs). %% Note: in those cases when a 'char_error' tuple is returned below it %% is tempting to skip over characters up to the first Q character, %% but then the end location of the error tuple would not correspond %% to the start location of the returned Rest string. (Maybe the end %% location could be modified, but that too is ugly.) -scan_string1([Q|Cs], Line, Col, Q, _U, Str0, Wcs0, Uni) -> +scan_string1([Q|Cs], Line, Col, Q, Str0, Wcs0) -> Wcs = lists:reverse(Wcs0), - Str = ?UNI_STR(Col, [Q|lists:reverse(Str0, [Q])]), - {Cs,Line,incr_column(Col, 1),Str,Wcs,Uni}; -scan_string1([$\n=C|Cs], Line, Col, Q, U, Str, Wcs, Uni) -> + Str = [Q|lists:reverse(Str0, [Q])], + {Cs,Line,incr_column(Col, 1),Str,Wcs}; +scan_string1([$\n=C|Cs], Line, Col, Q, Str, Wcs) -> Ncol = new_column(Col, 1), - scan_string1(Cs, Line+1, Ncol, Q, U, ?UNI_STR(Col, [C|Str]), [C|Wcs], Uni); -scan_string1([$\\|Cs]=Cs0, Line, Col, Q, U, Str, Wcs, Uni) -> + scan_string1(Cs, Line+1, Ncol, Q, [C|Str], [C|Wcs]); +scan_string1([$\\|Cs]=Cs0, Line, Col, Q, Str, Wcs) -> case scan_escape(Cs, Col) of more -> - {more,Cs0,Line,Col,Str,Wcs,Uni}; + {more,Cs0,Line,Col,Str,Wcs}; {error,Ncs,Error,Ncol} -> {char_error,Ncs,Error,Line,Col,incr_column(Ncol, 1)}; {eof,Ncol} -> {error,Line,incr_column(Ncol, 1),lists:reverse(Wcs),eof}; {nl,Val,ValStr,Ncs,Ncol} -> - Nstr = ?UNI_STR(Ncol, lists:reverse(ValStr, [$\\|Str])), + Nstr = lists:reverse(ValStr, [$\\|Str]), Nwcs = [Val|Wcs], - scan_string1(Ncs, Line+1, Ncol, Q, U, Nstr, Nwcs, Uni); - {unicode,_Val,_ValStr,Ncs,Ncol} when not U -> %' Emacs - {char_error,Ncs,{illegal,character},Line,Col,incr_column(Ncol, 1)}; - {unicode,Val,ValStr,Ncs,Ncol} -> % UNI. Uni is set to Val. - Nstr = ?UNI_STR(Ncol, lists:reverse(ValStr, [$\\|Str])), - Nwcs = [Val|Wcs], % not used - scan_string1(Ncs, Line, incr_column(Ncol, 1), Q, U, Nstr, Nwcs, Val); + scan_string1(Ncs, Line+1, Ncol, Q, Nstr, Nwcs); {Val,ValStr,Ncs,Ncol} -> - Nstr = ?UNI_STR(Ncol, lists:reverse(ValStr, [$\\|Str])), + Nstr = lists:reverse(ValStr, [$\\|Str]), Nwcs = [Val|Wcs], - scan_string1(Ncs, Line, incr_column(Ncol, 1), Q, U, Nstr, Nwcs, Uni) + scan_string1(Ncs, Line, incr_column(Ncol, 1), Q, Nstr, Nwcs) end; -scan_string1([C|Cs], Line, no_col=Col, Q, U, Str, Wcs, Uni) when ?CHAR(C), - ?UNI255(C) -> - %% scan_string1(Cs, Line, Col, Q, U, Str, [C|Wcs], Uni); - scan_string1(Cs, Line, Col, Q, U, [C|Str], [C|Wcs], Uni); % UNI -scan_string1([C|Cs], Line, Col, Q, U, Str, Wcs, Uni) when ?CHAR(C), ?UNI255(C) -> - scan_string1(Cs, Line, Col+1, Q, U, [C|Str], [C|Wcs], Uni); -scan_string1([C|Cs], Line, Col, _Q, false, _Str, _Wcs, _Uni) when ?CHAR(C) -> %' UNI - {char_error,Cs,{illegal,character},Line,Col,incr_column(Col, 1)}; -scan_string1([C|Cs], Line, Col, Q, U, Str, Wcs, _Uni) when ?UNICODE(C) -> - scan_string1(Cs, Line, incr_column(Col, 1), Q, U, [C|Str], [C|Wcs], C); -scan_string1([C|Cs], Line, Col, _Q, _U, _Str, _Wcs, _Uni) when ?CHAR(C) -> % UNI +scan_string1([C|Cs], Line, no_col=Col, Q, Str, Wcs) when ?UNICODE(C) -> + scan_string1(Cs, Line, Col, Q, [C|Str], [C|Wcs]); +scan_string1([C|Cs], Line, Col, Q, Str, Wcs) when ?UNICODE(C) -> + scan_string1(Cs, Line, Col+1, Q, [C|Str], [C|Wcs]); +scan_string1([C|Cs], Line, Col, _Q, _Str, _Wcs) when ?CHAR(C) -> {char_error,Cs,{illegal,character},Line,Col,incr_column(Col, 1)}; -scan_string1([]=Cs, Line, Col, _Q, _U, Str, Wcs, Uni) -> - {more,Cs,Line,Col,Str,Wcs,Uni}; -scan_string1(eof, Line, Col, _Q, _U, _Str, Wcs, _Uni) -> +scan_string1([]=Cs, Line, Col, _Q, Str, Wcs) -> + {more,Cs,Line,Col,Str,Wcs}; +scan_string1(eof, Line, Col, _Q, _Str, Wcs) -> {error,Line,Col,lists:reverse(Wcs),eof}. -define(OCT(C), C >= $0, C =< $7). @@ -1077,16 +980,16 @@ scan_string1(eof, Line, Col, _Q, _U, _Str, Wcs, _Uni) -> %% \<1-3> octal digits scan_escape([O1,O2,O3|Cs], Col) when ?OCT(O1), ?OCT(O2), ?OCT(O3) -> Val = (O1*8 + O2)*8 + O3 - 73*$0, - {Val,?UNI_STR(Col, [O1,O2,O3]),Cs,incr_column(Col, 3)}; + {Val,[O1,O2,O3],Cs,incr_column(Col, 3)}; scan_escape([O1,O2], _Col) when ?OCT(O1), ?OCT(O2) -> more; scan_escape([O1,O2|Cs], Col) when ?OCT(O1), ?OCT(O2) -> Val = (O1*8 + O2) - 9*$0, - {Val,?UNI_STR(Col, [O1,O2]),Cs,incr_column(Col, 2)}; + {Val,[O1,O2],Cs,incr_column(Col, 2)}; scan_escape([O1], _Col) when ?OCT(O1) -> more; scan_escape([O1|Cs], Col) when ?OCT(O1) -> - {O1 - $0,?UNI_STR(Col, [O1]),Cs,incr_column(Col, 1)}; + {O1 - $0,[O1],Cs,incr_column(Col, 1)}; %% \x{<hex digits>} scan_escape([$x,${|Cs], Col) -> scan_hex(Cs, incr_column(Col, 2), []); @@ -1097,29 +1000,27 @@ scan_escape([$x|eof], Col) -> %% \x<2> hexadecimal digits scan_escape([$x,H1,H2|Cs], Col) when ?HEX(H1), ?HEX(H2) -> Val = erlang:list_to_integer([H1,H2], 16), - {Val,?UNI_STR(Col, [$x,H1,H2]),Cs,incr_column(Col, 3)}; + {Val,[$x,H1,H2],Cs,incr_column(Col, 3)}; scan_escape([$x,H1], _Col) when ?HEX(H1) -> more; scan_escape([$x|Cs], Col) -> {error,Cs,{illegal,character},incr_column(Col, 1)}; %% \^X -> CTL-X scan_escape([$^=C0,$\n=C|Cs], Col) -> - {nl,C,?UNI_STR(Col, [C0,C]),Cs,new_column(Col, 1)}; + {nl,C,[C0,C],Cs,new_column(Col, 1)}; scan_escape([$^=C0,C|Cs], Col) when ?CHAR(C) -> Val = C band 31, - {Val,?UNI_STR(Col, [C0,C]),Cs,incr_column(Col, 2)}; + {Val,[C0,C],Cs,incr_column(Col, 2)}; scan_escape([$^], _Col) -> more; scan_escape([$^|eof], Col) -> {eof,incr_column(Col, 1)}; scan_escape([$\n=C|Cs], Col) -> - {nl,C,?UNI_STR(Col, [C]),Cs,new_column(Col, 1)}; -scan_escape([C0|Cs], Col) when ?CHAR(C0), ?UNI255(C0) -> + {nl,C,[C],Cs,new_column(Col, 1)}; +scan_escape([C0|Cs], Col) when ?UNICODE(C0) -> C = escape_char(C0), - {C,?UNI_STR(Col, [C0]),Cs,incr_column(Col, 1)}; -scan_escape([C|Cs], Col) when ?UNICODE(C) -> - {unicode,C,?UNI_STR(Col, [C]),Cs,incr_column(Col, 1)}; -scan_escape([C|Cs], Col) when ?CHAR(C) -> % UNI + {C,[C0],Cs,incr_column(Col, 1)}; +scan_escape([C|Cs], Col) when ?CHAR(C) -> {error,Cs,{illegal,character},incr_column(Col, 1)}; scan_escape([], _Col) -> more; @@ -1136,10 +1037,8 @@ scan_hex(Cs, Col, Wcs) -> scan_esc_end([$}|Cs], Col, Wcs0, B, Str0) -> Wcs = lists:reverse(Wcs0), case catch erlang:list_to_integer(Wcs, B) of - Val when Val =< 16#FF -> - {Val,?UNI_STR(Col, Str0++Wcs++[$}]),Cs,incr_column(Col, 1)}; Val when ?UNICODE(Val) -> - {unicode,Val,?UNI_STR(Col, Str0++Wcs++[$}]),Cs,incr_column(Col,1)}; + {Val,Str0++Wcs++[$}],Cs,incr_column(Col, 1)}; _ -> {error,Cs,{illegal,character},incr_column(Col, 1)} end; @@ -1171,7 +1070,7 @@ scan_number([$#|Cs]=Cs0, St, Line, Col, Toks, Ncs0) -> Ncs = lists:reverse(Ncs0), case catch list_to_integer(Ncs) of B when B >= 2, B =< 1+$Z-$A+10 -> - Bcs = Ncs++[$#], + Bcs = ?STR(St, Ncs++[$#]), scan_based_int(Cs, St, Line, Col, Toks, {B,[],Bcs}); B -> Len = length(Ncs), @@ -1204,7 +1103,7 @@ scan_based_int(Cs, St, Line, Col, Toks, {B,Ncs0,Bcs}) -> Ncs = lists:reverse(Ncs0), case catch erlang:list_to_integer(Ncs, B) of N when is_integer(N) -> - tok3(Cs, St, Line, Col, Toks, integer, Bcs++Ncs, N); + tok3(Cs, St, Line, Col, Toks, integer, ?STR(St, Bcs++Ncs), N); _ -> Len = length(Bcs)+length(Ncs), Ncol = incr_column(Col, Len), @@ -1244,36 +1143,30 @@ float_end(Cs, St, Line, Col, Toks, Ncs0) -> scan_error({illegal,float}, Line, Col, Line, Ncol, Cs) end. -skip_comment(Cs, St, Line, Col, Toks, N) -> - skip_comment(Cs, St, Line, Col, Toks, N, St#erl_scan.unicode). - -skip_comment([C|Cs], St, Line, Col, Toks, N, U) when C =/= $\n, ?CHAR(C) -> - case ?UNI255(C) orelse U andalso ?UNICODE(C) of +skip_comment([C|Cs], St, Line, Col, Toks, N) when C =/= $\n, ?CHAR(C) -> + case ?UNICODE(C) of true -> - skip_comment(Cs, St, Line, Col, Toks, N+1, U); + skip_comment(Cs, St, Line, Col, Toks, N+1); false -> Ncol = incr_column(Col, N+1), scan_error({illegal,character}, Line, Col, Line, Ncol, Cs) end; -skip_comment([]=Cs, _St, Line, Col, Toks, N, _U) -> +skip_comment([]=Cs, _St, Line, Col, Toks, N) -> {more,{Cs,Col,Toks,Line,N,fun skip_comment/6}}; -skip_comment(Cs, St, Line, Col, Toks, N, _U) -> +skip_comment(Cs, St, Line, Col, Toks, N) -> scan1(Cs, St, Line, incr_column(Col, N), Toks). -scan_comment(Cs, St, Line, Col, Toks, Ncs) -> - scan_comment(Cs, St, Line, Col, Toks, Ncs, St#erl_scan.unicode). - -scan_comment([C|Cs], St, Line, Col, Toks, Ncs, U) when C =/= $\n, ?CHAR(C) -> - case ?UNI255(C) orelse U andalso ?UNICODE(C) of +scan_comment([C|Cs], St, Line, Col, Toks, Ncs) when C =/= $\n, ?CHAR(C) -> + case ?UNICODE(C) of true -> - scan_comment(Cs, St, Line, Col, Toks, [C|Ncs], U); + scan_comment(Cs, St, Line, Col, Toks, [C|Ncs]); false -> Ncol = incr_column(Col, length(Ncs)+1), scan_error({illegal,character}, Line, Col, Line, Ncol, Cs) end; -scan_comment([]=Cs, _St, Line, Col, Toks, Ncs, _U) -> +scan_comment([]=Cs, _St, Line, Col, Toks, Ncs) -> {more,{Cs,Col,Toks,Line,Ncs,fun scan_comment/6}}; -scan_comment(Cs, St, Line, Col, Toks, Ncs0, _U) -> +scan_comment(Cs, St, Line, Col, Toks, Ncs0) -> Ncs = lists:reverse(Ncs0), tok3(Cs, St, Line, Col, Toks, comment, Ncs, Ncs). 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/io_lib_pretty.erl b/lib/stdlib/src/io_lib_pretty.erl index a8f610558a..b05db3d290 100644 --- a/lib/stdlib/src/io_lib_pretty.erl +++ b/lib/stdlib/src/io_lib_pretty.erl @@ -452,18 +452,6 @@ printable_list(L, _D, latin1) -> io_lib:printable_latin1_list(L); printable_list(L, _D, _Uni) -> io_lib:printable_list(L). -%% Truncated lists could break some existing code. -% printable_list(L, D, Enc) when D >= 0 -> -% Len = ?CHARS * (D - 1), -% case printable_list1(L, Len, Enc) of -% all -> -% true; -% N when is_integer(N), Len - N >= D - 1 -> -% {L1, _} = lists:split(Len - N, L), -% {true, L1}; -% N when is_integer(N) -> -% false -% end. printable_bin(Bin, D, Enc) when D >= 0, ?CHARS * D =< byte_size(Bin) -> printable_bin(Bin, erlang:min(?CHARS * D, byte_size(Bin)), D, Enc); @@ -473,7 +461,7 @@ printable_bin(Bin, D, Enc) -> printable_bin(Bin, Len, D, latin1) -> N = erlang:min(20, Len), L = binary_to_list(Bin, 1, N), - case printable_list1(L, N) of + case printable_latin1_list(L, N) of all when N =:= byte_size(Bin) -> {true, L}; all when N =:= Len -> % N < byte_size(Bin) @@ -507,7 +495,7 @@ printable_bin1(_Bin, _Start, 0) -> printable_bin1(Bin, Start, Len) -> N = erlang:min(10000, Len), L = binary_to_list(Bin, Start, Start + N - 1), - case printable_list1(L, N) of + case printable_latin1_list(L, N) of all -> printable_bin1(Bin, Start + N, Len - N); NC when is_integer(NC) -> @@ -515,26 +503,44 @@ printable_bin1(Bin, Start, Len) -> end. %% -> all | integer() >=0. Adopted from io_lib.erl. -% printable_list1([_ | _], 0) -> 0; -printable_list1([C | Cs], N) when is_integer(C), C >= $\s, C =< $~ -> - printable_list1(Cs, N - 1); -printable_list1([C | Cs], N) when is_integer(C), C >= $\240, C =< $\377 -> - printable_list1(Cs, N - 1); -printable_list1([$\n | Cs], N) -> printable_list1(Cs, N - 1); -printable_list1([$\r | Cs], N) -> printable_list1(Cs, N - 1); -printable_list1([$\t | Cs], N) -> printable_list1(Cs, N - 1); -printable_list1([$\v | Cs], N) -> printable_list1(Cs, N - 1); -printable_list1([$\b | Cs], N) -> printable_list1(Cs, N - 1); -printable_list1([$\f | Cs], N) -> printable_list1(Cs, N - 1); -printable_list1([$\e | Cs], N) -> printable_list1(Cs, N - 1); -printable_list1([], _) -> all; -printable_list1(_, N) -> N. - -printable_unicode(<<C/utf8, R/binary>>, I, L) when I > 0 -> - printable_unicode(R, I - 1, [C | L]); +% printable_latin1_list([_ | _], 0) -> 0; +printable_latin1_list([C | Cs], N) when C >= $\s, C =< $~ -> + printable_latin1_list(Cs, N - 1); +printable_latin1_list([C | Cs], N) when C >= $\240, C =< $\377 -> + printable_latin1_list(Cs, N - 1); +printable_latin1_list([$\n | Cs], N) -> printable_latin1_list(Cs, N - 1); +printable_latin1_list([$\r | Cs], N) -> printable_latin1_list(Cs, N - 1); +printable_latin1_list([$\t | Cs], N) -> printable_latin1_list(Cs, N - 1); +printable_latin1_list([$\v | Cs], N) -> printable_latin1_list(Cs, N - 1); +printable_latin1_list([$\b | Cs], N) -> printable_latin1_list(Cs, N - 1); +printable_latin1_list([$\f | Cs], N) -> printable_latin1_list(Cs, N - 1); +printable_latin1_list([$\e | Cs], N) -> printable_latin1_list(Cs, N - 1); +printable_latin1_list([], _) -> all; +printable_latin1_list(_, N) -> N. + +printable_unicode(<<C/utf8, R/binary>>=Bin, I, L) when I > 0 -> + case printable_char(C) of + true -> + printable_unicode(R, I - 1, [C | L]); + false -> + {I, Bin, lists:reverse(L)} + end; printable_unicode(Bin, I, L) -> {I, Bin, lists:reverse(L)}. +printable_char($\n) -> true; +printable_char($\r) -> true; +printable_char($\t) -> true; +printable_char($\v) -> true; +printable_char($\b) -> true; +printable_char($\f) -> true; +printable_char($\e) -> true; +printable_char(C) -> + C >= $\s andalso C =< $~ orelse + C >= 16#A0 andalso C < 16#D800 orelse + C > 16#DFFF andalso C < 16#FFFE orelse + C > 16#FFFF andalso C =< 16#10FFFF. + write_string(S, latin1) -> io_lib:write_latin1_string(S, $"); %" write_string(S, _Uni) -> diff --git a/lib/stdlib/src/shell.erl b/lib/stdlib/src/shell.erl index 203d2a4f76..c94f052b24 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, @@ -948,7 +950,7 @@ local_func(rd, [{atom,_,RecName},RecDef0], Bs, _Shell, RT, _Lf, _Ef) -> RecDef = expand_value(RecDef0), RDs = lists:flatten(erl_pp:expr(RecDef)), Attr = lists:concat(["-record('", RecName, "',", RDs, ")."]), - {ok, Tokens, _} = erl_scan:string(Attr, 1, [unicode]), + {ok, Tokens, _} = erl_scan:string(Attr), case erl_parse:parse_form(Tokens) of {ok,AttrForm} -> [RN] = add_records([AttrForm], Bs, RT), @@ -1395,7 +1397,6 @@ enc() -> garb(Shell) -> erlang:garbage_collect(Shell), catch erlang:garbage_collect(whereis(user)), - catch erlang:garbage_collect(whereis(group)), catch erlang:garbage_collect(group_leader()), erlang:garbage_collect(). |