aboutsummaryrefslogtreecommitdiffstats
path: root/lib/stdlib/src
diff options
context:
space:
mode:
Diffstat (limited to 'lib/stdlib/src')
-rw-r--r--lib/stdlib/src/erl_lint.erl6
-rw-r--r--lib/stdlib/src/erl_parse.yrl22
-rw-r--r--lib/stdlib/src/erl_pp.erl23
-rw-r--r--lib/stdlib/src/erl_scan.erl5
-rw-r--r--lib/stdlib/src/erl_tar.erl93
-rw-r--r--lib/stdlib/src/ms_transform.erl4
6 files changed, 82 insertions, 71 deletions
diff --git a/lib/stdlib/src/erl_lint.erl b/lib/stdlib/src/erl_lint.erl
index 39f8a26fe1..26d8454731 100644
--- a/lib/stdlib/src/erl_lint.erl
+++ b/lib/stdlib/src/erl_lint.erl
@@ -389,9 +389,7 @@ format_error({underspecified_opaque, {TypeName, Arity}}) ->
[TypeName, gen_type_paren(Arity)]);
%% --- obsolete? unused? ---
format_error({format_error, {Fmt, Args}}) ->
- io_lib:format(Fmt, Args);
-format_error({mnemosyne, What}) ->
- "mnemosyne " ++ What ++ ", missing transformation".
+ io_lib:format(Fmt, Args).
gen_type_paren(Arity) when is_integer(Arity), Arity >= 0 ->
gen_type_paren_1(Arity, ")").
@@ -759,8 +757,6 @@ function_state({attribute,La,Attr,_Val}, St) ->
add_error(La, {attribute,Attr}, St);
function_state({function,L,N,A,Cs}, St) ->
function(L, N, A, Cs, St);
-function_state({rule,L,_N,_A,_Cs}, St) ->
- add_error(L, {mnemosyne,"rule"}, St);
function_state({eof,L}, St) -> eof(L, St).
%% eof(LastLine, State) ->
diff --git a/lib/stdlib/src/erl_parse.yrl b/lib/stdlib/src/erl_parse.yrl
index 767b620871..3502a50eaa 100644
--- a/lib/stdlib/src/erl_parse.yrl
+++ b/lib/stdlib/src/erl_parse.yrl
@@ -42,7 +42,6 @@ function_call argument_list
exprs guard
atomic strings
prefix_op mult_op add_op list_op comp_op
-rule rule_clauses rule_clause rule_body
binary bin_elements bin_element bit_expr
opt_bit_size_expr bit_size_expr opt_bit_type_list bit_type_list bit_type
top_type top_type_100 top_types type typed_expr typed_attr_val
@@ -54,7 +53,7 @@ bin_base_type bin_unit_type type_200 type_300 type_400 type_500.
Terminals
char integer float atom string var
-'(' ')' ',' '->' ':-' '{' '}' '[' ']' '|' '||' '<-' ';' ':' '#' '.'
+'(' ')' ',' '->' '{' '}' '[' ']' '|' '||' '<-' ';' ':' '#' '.'
'after' 'begin' 'case' 'try' 'catch' 'end' 'fun' 'if' 'of' 'receive' 'when'
'andalso' 'orelse'
'bnot' 'not'
@@ -73,7 +72,6 @@ Rootsymbol form.
form -> attribute dot : '$1'.
form -> function dot : '$1'.
-form -> rule dot : '$1'.
attribute -> '-' atom attr_val : build_attribute('$2', '$3').
attribute -> '-' atom typed_attr_val : build_typed_attribute('$2','$3').
@@ -520,17 +518,6 @@ comp_op -> '>' : '$1'.
comp_op -> '=:=' : '$1'.
comp_op -> '=/=' : '$1'.
-rule -> rule_clauses : build_rule('$1').
-
-rule_clauses -> rule_clause : ['$1'].
-rule_clauses -> rule_clause ';' rule_clauses : ['$1'|'$3'].
-
-rule_clause -> atom clause_args clause_guard rule_body :
- {clause,?line('$1'),element(3, '$1'),'$2','$3','$4'}.
-
-rule_body -> ':-' lc_exprs: '$2'.
-
-
Erlang code.
-export([parse_form/1,parse_exprs/1,parse_term/1]).
@@ -846,13 +833,6 @@ build_function(Cs) ->
Arity = length(element(4, hd(Cs))),
{function,?line(hd(Cs)),Name,Arity,check_clauses(Cs, Name, Arity)}.
-%% build_rule([Clause]) -> {rule,Line,Name,Arity,[Clause]'}
-
-build_rule(Cs) ->
- Name = element(3, hd(Cs)),
- Arity = length(element(4, hd(Cs))),
- {rule,?line(hd(Cs)),Name,Arity,check_clauses(Cs, Name, Arity)}.
-
%% build_fun(Line, [Clause]) -> {'fun',Line,{clauses,[Clause]}}.
build_fun(Line, Cs) ->
diff --git a/lib/stdlib/src/erl_pp.erl b/lib/stdlib/src/erl_pp.erl
index 17a758ff58..469ce544c7 100644
--- a/lib/stdlib/src/erl_pp.erl
+++ b/lib/stdlib/src/erl_pp.erl
@@ -22,7 +22,7 @@
%%% the parser. It does not always produce pretty code.
-export([form/1,form/2,
- attribute/1,attribute/2,function/1,function/2,rule/1,rule/2,
+ attribute/1,attribute/2,function/1,function/2,
guard/1,guard/2,exprs/1,exprs/2,exprs/3,expr/1,expr/2,expr/3,expr/4]).
-import(lists, [append/1,foldr/3,mapfoldl/3,reverse/1,reverse/2]).
@@ -91,12 +91,6 @@ function(F) ->
function(F, Options) ->
frmt(lfunction(F, options(Options)), state(Options)).
-rule(R) ->
- rule(R, none).
-
-rule(R, Options) ->
- frmt(lrule(R, options(Options)), state(Options)).
-
-spec(guard(Guard) -> io_lib:chars() when
Guard :: [erl_parse:abstract_expr()]).
@@ -199,8 +193,6 @@ lform({attribute,Line,Name,Arg}, Opts, State) ->
lattribute({attribute,Line,Name,Arg}, Opts, State);
lform({function,Line,Name,Arity,Clauses}, Opts, _State) ->
lfunction({function,Line,Name,Arity,Clauses}, Opts);
-lform({rule,Line,Name,Arity,Clauses}, Opts, _State) ->
- lrule({rule,Line,Name,Arity,Clauses}, Opts);
%% These are specials to make it easier for the compiler.
lform({error,E}, _Opts, _State) ->
leaf(format("~p\n", [{error,E}]));
@@ -418,19 +410,6 @@ func_clause(Name, {clause,Line,Head,Guard,Body}, Opts) ->
Bl = body(Body, Opts),
{step,Gl,Bl}.
-lrule({rule,_Line,Name,_Arity,Cs}, Opts) ->
- Cll = nl_clauses(fun (C, H) -> rule_clause(Name, C, H) end, $;, Opts, Cs),
- [Cll,leaf(".\n")].
-
-rule_clause(Name, {clause,Line,Head,Guard,Body}, Opts) ->
- Hl = call({atom,Line,Name}, Head, 0, Opts),
- Gl = guard_when(Hl, Guard, Opts, leaf(" :-")),
- Bl = rule_body(Body, Opts),
- {step,Gl,Bl}.
-
-rule_body(Es, Opts) ->
- lc_quals(Es, Opts).
-
guard_when(Before, Guard, Opts) ->
guard_when(Before, Guard, Opts, ' ->').
diff --git a/lib/stdlib/src/erl_scan.erl b/lib/stdlib/src/erl_scan.erl
index 6fd6bb888b..4960a86760 100644
--- a/lib/stdlib/src/erl_scan.erl
+++ b/lib/stdlib/src/erl_scan.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1996-2013. All Rights Reserved.
+%% Copyright Ericsson AB 1996-2014. 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
@@ -599,9 +599,6 @@ scan1("|"=Cs, _St, Line, Col, Toks) ->
%% :=
scan1(":="++Cs, St, Line, Col, Toks) ->
tok2(Cs, St, Line, Col, Toks, ":=", ':=', 2);
-%% :-
-scan1(":-"++Cs, St, Line, Col, Toks) ->
- tok2(Cs, St, Line, Col, Toks, ":-", ':-', 2);
%% :: for typed records
scan1("::"++Cs, St, Line, Col, Toks) ->
tok2(Cs, St, Line, Col, Toks, "::", '::', 2);
diff --git a/lib/stdlib/src/erl_tar.erl b/lib/stdlib/src/erl_tar.erl
index acf7a5cd40..ab6223c0fe 100644
--- a/lib/stdlib/src/erl_tar.erl
+++ b/lib/stdlib/src/erl_tar.erl
@@ -22,7 +22,7 @@
%% Purpose: Unix tar (tape archive) utility.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
--export([create/2, create/3, extract/1, extract/2, table/1, table/2,
+-export([init/3, create/2, create/3, extract/1, extract/2, table/1, table/2,
open/2, close/1, add/3, add/4,
t/1, tt/1, format_error/1]).
@@ -30,10 +30,16 @@
-record(add_opts,
{read_info, % Fun to use for read file/link info.
+ chunk_size = 0, % For file reading when sending to sftp. 0=do not chunk
verbose = false :: boolean()}). % Verbose on/off.
%% Opens a tar archive.
+init(UsrHandle, AccessMode, Fun) when is_function(Fun,2) ->
+ {ok, {AccessMode,{UsrHandle,Fun}}}.
+
+%%%================================================================
+%%% The open function with friends is to keep the file and binary api of this module
open(Name, Mode) ->
case open_mode(Mode) of
{ok, Access, Raw, Opts} ->
@@ -46,27 +52,37 @@ open1({binary,Bin}, read, _Raw, Opts) ->
case file:open(Bin, [ram,binary,read]) of
{ok,File} ->
_ = [ram_file:uncompress(File) || Opts =:= [compressed]],
- {ok,{read,File}};
+ init(File,read,file_fun());
Error ->
Error
end;
open1({file, Fd}, read, _Raw, _Opts) ->
- {ok, {read, Fd}};
+ init(Fd, read, file_fun());
open1(Name, Access, Raw, Opts) ->
case file:open(Name, Raw ++ [binary, Access|Opts]) of
{ok, File} ->
- {ok, {Access, File}};
+ init(File, Access, file_fun());
{error, Reason} ->
{error, {Name, Reason}}
end.
+file_fun() ->
+ fun(write, {Fd,Data}) -> file:write(Fd, Data);
+ (position, {Fd,Pos}) -> file:position(Fd, Pos);
+ (read2, {Fd,Size}) -> file:read(Fd,Size);
+ (close, Fd) -> file:close(Fd)
+ end.
+
+%%% End of file and binary api (except for open_mode/1 downwards
+%%%================================================================
+
%% Closes a tar archive.
close({read, File}) ->
- ok = file:close(File);
+ ok = do_close(File);
close({write, File}) ->
PadResult = pad_file(File),
- ok = file:close(File),
+ ok = do_close(File),
PadResult;
close(_) ->
{error, einval}.
@@ -75,7 +91,6 @@ close(_) ->
add(File, Name, Options) ->
add(File, Name, Name, Options).
-
add({write, File}, Name, NameInArchive, Options) ->
Opts = #add_opts{read_info=fun(F) -> file:read_link_info(F) end},
add1(File, Name, NameInArchive, add_opts(Options, Opts));
@@ -88,6 +103,8 @@ add_opts([dereference|T], Opts) ->
add_opts(T, Opts#add_opts{read_info=fun(F) -> file:read_file_info(F) end});
add_opts([verbose|T], Opts) ->
add_opts(T, Opts#add_opts{verbose=true});
+add_opts([{chunks,N}|T], Opts) ->
+ add_opts(T, Opts#add_opts{chunk_size=N});
add_opts([_|T], Opts) ->
add_opts(T, Opts);
add_opts([], Opts) ->
@@ -321,16 +338,46 @@ add1(TarFile, Name, NameInArchive, Opts) ->
{error, {Name, Reason}}
end.
+add1(Tar, Name, Header, chunked, Options) ->
+ add_verbose(Options, "a ~ts [chunked ", [Name]),
+ try
+ ok = do_write(Tar, Header),
+ {ok,D} = file:open(Name, [read,binary]),
+ {ok,NumBytes} = add_read_write_chunks(D, Tar, Options#add_opts.chunk_size, 0, Options),
+ _ = file:close(D),
+ ok = do_write(Tar, padding(NumBytes,?record_size))
+ of
+ ok ->
+ add_verbose(Options, "~n", []),
+ ok
+ catch
+ error:{badmatch,{error,Error}} ->
+ add_verbose(Options, "~n", []),
+ {error,{Name,Error}}
+ end;
add1(Tar, Name, Header, Bin, Options) ->
add_verbose(Options, "a ~ts~n", [Name]),
- file:write(Tar, [Header, Bin, padding(byte_size(Bin), ?record_size)]).
+ do_write(Tar, [Header, Bin, padding(byte_size(Bin), ?record_size)]).
+
+add_read_write_chunks(D, Tar, ChunkSize, SumNumBytes, Options) ->
+ case file:read(D, ChunkSize) of
+ {ok,Bin} ->
+ ok = do_write(Tar, Bin),
+ add_verbose(Options, ".", []),
+ add_read_write_chunks(D, Tar, ChunkSize, SumNumBytes+byte_size(Bin), Options);
+ eof ->
+ add_verbose(Options, "]", []),
+ {ok,SumNumBytes};
+ Other ->
+ Other
+ end.
add_directory(TarFile, DirName, NameInArchive, Info, Options) ->
case file:list_dir(DirName) of
{ok, []} ->
add_verbose(Options, "a ~ts~n", [DirName]),
Header = create_header(NameInArchive, Info),
- file:write(TarFile, Header);
+ do_write(TarFile, Header);
{ok, Files} ->
Add = fun (File) ->
add1(TarFile,
@@ -396,7 +443,7 @@ to_string(Str0, Count) ->
%% Pads out end of file.
pad_file(File) ->
- {ok,Position} = file:position(File, {cur,0}),
+ {ok,Position} = do_position(File, {cur,0}),
%% There must be at least two zero records at the end.
Fill = case ?block_size - (Position rem ?block_size) of
Fill0 when Fill0 < 2*?record_size ->
@@ -407,7 +454,7 @@ pad_file(File) ->
%% Large enough.
Fill0
end,
- file:write(File, zeroes(Fill)).
+ do_write(File, zeroes(Fill)).
split_filename(Name) when length(Name) =< ?th_name_len ->
{"", Name};
@@ -500,7 +547,7 @@ foldl_read(TarName, Fun, Accu, Opts) ->
Ok ->
Ok
end,
- ok = file:close(File),
+ ok = do_close(File),
Result;
Error ->
Error
@@ -559,7 +606,7 @@ check_extract(Name, #read_opts{files=Files}) ->
ordsets:is_element(Name, Files).
get_header(File) ->
- case file:read(File, ?record_size) of
+ case do_read(File, ?record_size) of
eof ->
throw({error,eof});
{ok, Bin} when is_binary(Bin) ->
@@ -690,7 +737,7 @@ get_element(File, #tar_header{size = 0}) ->
skip_to_next(File),
{ok,<<>>};
get_element(File, #tar_header{size = Size}) ->
- case file:read(File, Size) of
+ case do_read(File, Size) of
{ok,Bin}=Res when byte_size(Bin) =:= Size ->
skip_to_next(File),
Res;
@@ -880,7 +927,7 @@ skip(File, Size) ->
%% Note: There is no point in handling failure to get the current position
%% in the file. If it doesn't work, something serious is wrong.
Amount = ((Size + ?record_size - 1) div ?record_size) * ?record_size,
- {ok,_} = file:position(File, {cur, Amount}),
+ {ok,_} = do_position(File, {cur, Amount}),
ok.
%% Skips to the next record in the file.
@@ -888,9 +935,9 @@ skip(File, Size) ->
skip_to_next(File) ->
%% Note: There is no point in handling failure to get the current position
%% in the file. If it doesn't work, something serious is wrong.
- {ok, Position} = file:position(File, {cur, 0}),
+ {ok, Position} = do_position(File, {cur, 0}),
NewPosition = ((Position + ?record_size - 1) div ?record_size) * ?record_size,
- {ok,NewPosition} = file:position(File, NewPosition),
+ {ok,NewPosition} = do_position(File, NewPosition),
ok.
%% Prints the message on if the verbose option is given.
@@ -916,6 +963,9 @@ posix_to_erlang_time(Sec) ->
read_file_and_info(Name, Opts) ->
ReadInfo = Opts#add_opts.read_info,
case ReadInfo(Name) of
+ {ok,Info} when Info#file_info.type =:= regular,
+ Opts#add_opts.chunk_size>0 ->
+ {ok,chunked,Info};
{ok,Info} when Info#file_info.type =:= regular ->
case file:read_file(Name) of
{ok,Bin} ->
@@ -962,3 +1012,12 @@ open_mode([], Access, Raw, Opts) ->
{ok, Access, Raw, Opts};
open_mode(_, _, _, _) ->
{error, einval}.
+
+%%%================================================================
+do_write({UsrHandle,Fun}, Data) -> Fun(write,{UsrHandle,Data}).
+
+do_position({UsrHandle,Fun}, Pos) -> Fun(position,{UsrHandle,Pos}).
+
+do_read({UsrHandle,Fun}, Len) -> Fun(read2,{UsrHandle,Len}).
+
+do_close({UsrHandle,Fun}) -> Fun(close,UsrHandle).
diff --git a/lib/stdlib/src/ms_transform.erl b/lib/stdlib/src/ms_transform.erl
index e671dcd8cf..7b6f4e5b50 100644
--- a/lib/stdlib/src/ms_transform.erl
+++ b/lib/stdlib/src/ms_transform.erl
@@ -725,10 +725,10 @@ 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) ->