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-rw-r--r--lib/stdlib/src/escript.erl85
1 files changed, 55 insertions, 30 deletions
diff --git a/lib/stdlib/src/escript.erl b/lib/stdlib/src/escript.erl
index fea718541d..f53b0e2246 100644
--- a/lib/stdlib/src/escript.erl
+++ b/lib/stdlib/src/escript.erl
@@ -1,18 +1,19 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2007-2013. All Rights Reserved.
+%% Copyright Ericsson AB 2007-2015. 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
-%% compliance with the License. You should have received a copy of the
-%% Erlang Public License along with this software. If not, it can be
-%% retrieved online at http://www.erlang.org/.
+%% Licensed under the Apache License, Version 2.0 (the "License");
+%% you may not use this file except in compliance with the License.
+%% You may obtain a copy of the License at
%%
-%% Software distributed under the License is distributed on an "AS IS"
-%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
-%% the License for the specific language governing rights and limitations
-%% under the License.
+%% http://www.apache.org/licenses/LICENSE-2.0
+%%
+%% Unless required by applicable law or agreed to in writing, software
+%% distributed under the License is distributed on an "AS IS" BASIS,
+%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+%% See the License for the specific language governing permissions and
+%% limitations under the License.
%%
%% %CopyrightEnd%
@@ -37,7 +38,7 @@
-record(state, {file :: file:filename(),
module :: module(),
forms_or_bin,
- source :: source(),
+ source :: source() | 'undefined',
n_errors :: non_neg_integer(),
mode :: mode(),
exports_main :: boolean(),
@@ -48,9 +49,9 @@
-type emu_args() :: string().
-record(sections, {type,
- shebang :: shebang(),
- comment :: comment(),
- emu_args :: emu_args(),
+ shebang :: shebang() | 'undefined',
+ comment :: comment() | 'undefined',
+ emu_args :: emu_args() | 'undefined',
body}).
-record(extract_options, {compile_source}).
@@ -59,7 +60,6 @@
file:filename()
| {file:filename(), binary()}
| {file:filename(), binary(), file:file_info()}.
--type zip_create_option() :: term().
-type section() ::
shebang
| {shebang, shebang() | default | undefined}
@@ -68,8 +68,8 @@
| {emu_args, emu_args() | undefined}
| {source, file:filename() | binary()}
| {beam, file:filename() | binary()}
- | {archive, file:filename() | binary()}
- | {archive, [zip_file()], [zip_create_option()]}.
+ | {archive, zip:filename() | binary()}
+ | {archive, [zip_file()], [zip:create_option()]}.
%%-----------------------------------------------------------------------
@@ -289,6 +289,8 @@ start(EscriptOptions) ->
my_halt(127)
end.
+-spec parse_and_run(_, _, _) -> no_return().
+
parse_and_run(File, Args, Options) ->
CheckOnly = lists:member("s", Options),
{Source, Module, FormsOrBin, HasRecs, Mode} =
@@ -619,12 +621,13 @@ parse_source(S, File, Fd, StartLine, HeaderSz, CheckOnly) ->
{ok, {attribute,_, module, M} = Form} ->
epp_parse_file(Epp, S2#state{module = M}, [Form, FileForm]);
{ok, _} ->
- ModForm = {attribute,1,module, Module},
+ ModForm = {attribute,a1(),module, Module},
epp_parse_file2(Epp, S2, [ModForm, FileForm], OptModRes);
{error, _} ->
epp_parse_file2(Epp, S2, [FileForm], OptModRes);
- {eof, _LastLine} = Eof ->
- S#state{forms_or_bin = [FileForm, Eof]}
+ {eof, LastLine} ->
+ Anno = anno(LastLine),
+ S#state{forms_or_bin = [FileForm, {eof, Anno}]}
end,
ok = epp:close(Epp),
ok = file:close(Fd),
@@ -643,7 +646,7 @@ check_source(S, CheckOnly) ->
%% Optionally add export of main/1
Forms2 =
case ExpMain of
- false -> [{attribute,0,export, [{main,1}]} | Forms];
+ false -> [{attribute, a0(), export, [{main,1}]} | Forms];
true -> Forms
end,
Forms3 = [FileForm2, ModForm2 | Forms2],
@@ -662,7 +665,8 @@ check_source(S, CheckOnly) ->
end.
pre_def_macros(File) ->
- {MegaSecs, Secs, MicroSecs} = erlang:now(),
+ {MegaSecs, Secs, MicroSecs} = erlang:timestamp(),
+ Unique = erlang:unique_integer([positive]),
Replace = fun(Char) ->
case Char of
$\. -> $\_;
@@ -674,8 +678,9 @@ pre_def_macros(File) ->
CleanBase ++ "__" ++
"escript__" ++
integer_to_list(MegaSecs) ++ "__" ++
- integer_to_list(Secs) ++ "__" ++
- integer_to_list(MicroSecs),
+ integer_to_list(Secs) ++ "__" ++
+ integer_to_list(MicroSecs) ++ "__" ++
+ integer_to_list(Unique),
Module = list_to_atom(ModuleStr),
PreDefMacros = [{'MODULE', Module, redefine},
{'MODULE_STRING', ModuleStr, redefine}],
@@ -719,14 +724,17 @@ epp_parse_file2(Epp, S, Forms, Parsed) ->
io:format("~ts:~w: ~ts\n",
[S#state.file,Ln,Mod:format_error(Args)]),
epp_parse_file(Epp, S#state{n_errors = S#state.n_errors + 1}, [Form | Forms]);
- {eof, _LastLine} = Eof ->
- S#state{forms_or_bin = lists:reverse([Eof | Forms])}
+ {eof, LastLine} ->
+ Anno = anno(LastLine),
+ S#state{forms_or_bin = lists:reverse([{eof, Anno} | Forms])}
end.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% Evaluate script
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+-spec debug(_, _, _) -> no_return().
+
debug(Module, AbsMod, Args) ->
case hidden_apply(debugger, debugger, start, []) of
{ok, _} ->
@@ -742,6 +750,8 @@ debug(Module, AbsMod, Args) ->
fatal("Cannot start the debugger")
end.
+-spec run(_, _) -> no_return().
+
run(Module, Args) ->
try
Module:main(Args),
@@ -751,6 +761,8 @@ run(Module, Args) ->
fatal(format_exception(Class, Reason))
end.
+-spec interpret(_, _, _, _) -> no_return().
+
interpret(Forms, HasRecs, File, Args) ->
%% Basic validation before execution
case erl_lint:module(Forms) of
@@ -769,11 +781,14 @@ interpret(Forms, HasRecs, File, Args) ->
end,
Dict = parse_to_dict(Forms2),
ArgsA = erl_parse:abstract(Args, 0),
- Call = {call,0,{atom,0,main},[ArgsA]},
+ Anno = a0(),
+ Call = {call,Anno,{atom,Anno,main},[ArgsA]},
try
- erl_eval:expr(Call,
- erl_eval:new_bindings(),
- {value,fun(I, J) -> code_handler(I, J, Dict, File) end}),
+ _ = erl_eval:expr(Call,
+ erl_eval:new_bindings(),
+ {value,fun(I, J) ->
+ code_handler(I, J, Dict, File)
+ end}),
my_halt(0)
catch
Class:Reason ->
@@ -879,9 +894,19 @@ enc() ->
Enc -> [Enc]
end.
+a0() ->
+ anno(0).
+
+a1() ->
+ anno(1).
+
+anno(L) ->
+ erl_anno:new(L).
+
fatal(Str) ->
throw(Str).
+-spec my_halt(_) -> no_return().
my_halt(Reason) ->
erlang:halt(Reason).