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authorHåkan Mattsson <[email protected]>2010-03-05 17:48:27 +0100
committerHåkan Mattsson <[email protected]>2010-03-16 14:28:25 +0100
commite774e560dfcb01f4ff16d6f4e64b1c1ed75de5d9 (patch)
treeaecbad2ff2f55d868ff935e320e59d48397d986a
parent26d609d3193c0adb371e27317fa0de7cda203061 (diff)
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Remove the undocumented function escript:foldl/3
It is possible to obtain the same effect with the functions escript:extract/2 and zip:fold/3. See escript_SUITE:escript_foldl/3 for a complete emulation of the old escript:foldl/3 function.
-rw-r--r--lib/stdlib/src/escript.erl70
1 files changed, 0 insertions, 70 deletions
diff --git a/lib/stdlib/src/escript.erl b/lib/stdlib/src/escript.erl
index bf32e15209..d26443f277 100644
--- a/lib/stdlib/src/escript.erl
+++ b/lib/stdlib/src/escript.erl
@@ -20,7 +20,6 @@
%% Useful functions that can be called from scripts.
-export([script_name/0, create/2, extract/2]).
--export([foldl/3]). % Undocumented function that will be removed
%% Internal API.
-export([start/0, start/1]).
@@ -244,75 +243,6 @@ script_name() ->
[ScriptName|_] = init:get_plain_arguments(),
ScriptName.
-%% Apply Fun(Name, GetInfo, GetBin, Acc) for each file in the escript.
-%%
-%% Fun/2 must return a new accumulator which is passed to the next call.
-%% The function returns the final value of the accumulator. Acc0 is
-%% returned if the escript contain an empty archive.
-%%
-%% GetInfo/0 is a fun that returns a #file_info{} record for the file.
-%% GetBin/0 is a fun that returns a the contents of the file as a binary.
-%%
-%% An escript may contain erlang code, beam code or an archive:
-%%
-%% archive - the Fun/4 will be applied for each file in the archive
-%% beam - the Fun/4 will be applied once and GetInfo/0 returns the file
-%% info for the (entire) escript file
-%% erl - the Fun/4 will be applied once, GetInfo/0 returns the file
-%% info for the (entire) escript file and the GetBin returns
-%% the compiled beam code
-
--spec foldl(fun((string(),
- fun(() -> #file_info{}),
- fun(() -> binary()),
- term()) -> term()),
- term(),
- string()) -> {ok, term()} | {error, term()}.
-foldl(Fun, Acc0, File) when is_function(Fun, 4) ->
- case parse_file(File, false) of
- {text, _, Forms, _HasRecs, _Mode} when is_list(Forms) ->
- GetInfo = fun() -> {ok, FI} = file:read_file_info(File), FI end,
- GetBin =
- fun() ->
- case compile:forms(Forms, [return_errors, debug_info]) of
- {ok, _, BeamBin} ->
- BeamBin;
- {error, _Errors, _Warnings} ->
- throw("There were compilation errors.")
- end
- end,
- try
- {ok, Fun(".", GetInfo, GetBin, Acc0)}
- catch
- throw:Reason ->
- {error, Reason}
- end;
- {beam, _, BeamBin, _HasRecs, _Mode} when is_binary(BeamBin) ->
- GetInfo = fun() -> {ok, FI} = file:read_file_info(File), FI end,
- GetBin = fun() -> BeamBin end,
- try
- {ok, Fun(".", GetInfo, GetBin, Acc0)}
- catch
- throw:Reason ->
- {error, Reason}
- end;
- {archive, _, ArchiveBin, _HasRecs, _Mode} when is_binary(ArchiveBin) ->
- ZipFun =
- fun({Name, GetInfo, GetBin}, A) ->
- A2 = Fun(Name, GetInfo, GetBin, A),
- {true, false, A2}
- end,
- case prim_zip:open(ZipFun, Acc0, {File, ArchiveBin}) of
- {ok, PrimZip, Res} ->
- ok = prim_zip:close(PrimZip),
- {ok, Res};
- {error, bad_eocd} ->
- {error, "Not an archive file"};
- {error, Reason} ->
- {error, Reason}
- end
- end.
-
%%
%% Internal API.
%%