diff options
Diffstat (limited to 'lib/stdlib')
| -rw-r--r-- | lib/stdlib/src/escript.erl | 83 | ||||
| -rw-r--r-- | lib/stdlib/test/escript_SUITE.erl | 15 | ||||
| -rwxr-xr-x | lib/stdlib/test/escript_SUITE_data/two_lines | 2 |
3 files changed, 59 insertions, 41 deletions
diff --git a/lib/stdlib/src/escript.erl b/lib/stdlib/src/escript.erl index 7f5ef4df42..c42ae981e7 100644 --- a/lib/stdlib/src/escript.erl +++ b/lib/stdlib/src/escript.erl @@ -481,46 +481,49 @@ find_first_body_line(Fd, HeaderSz0, LineNo, KeepFirst, Sections) -> %% Look for special comment on second line Line2 = get_line(Fd), {ok, HeaderSz2} = file:position(Fd, cur), - case classify_line(Line2) of - emu_args -> - %% Skip special comment on second line - Line3 = get_line(Fd), - {HeaderSz2, LineNo + 2, Fd, - Sections#sections{type = guess_type(Line3), - comment = undefined, - emu_args = Line2}}; - Line2Type -> - %% Look for special comment on third line - Line3 = get_line(Fd), - {ok, HeaderSz3} = file:position(Fd, cur), - Line3Type = classify_line(Line3), - if - Line3Type =:= emu_args -> - %% Skip special comment on third line - Line4 = get_line(Fd), - {HeaderSz3, LineNo + 3, Fd, - Sections#sections{type = guess_type(Line4), - comment = Line2, - emu_args = Line3}}; - Sections#sections.shebang =:= undefined, - KeepFirst =:= true -> - %% No shebang. Use the entire file - {HeaderSz0, LineNo, Fd, - Sections#sections{type = guess_type(Line2)}}; - Sections#sections.shebang =:= undefined -> - %% No shebang. Skip the first line - {HeaderSz1, LineNo, Fd, - Sections#sections{type = guess_type(Line2)}}; - Line2Type =:= comment -> - %% Skip shebang on first line and comment on second - {HeaderSz2, LineNo + 2, Fd, - Sections#sections{type = guess_type(Line3), - comment = Line2}}; - true -> - %% Just skip shebang on first line - {HeaderSz1, LineNo + 1, Fd, - Sections#sections{type = guess_type(Line2)}} - end + if + Sections#sections.shebang =:= undefined, + KeepFirst =:= true -> + %% No shebang. Use the entire file + {HeaderSz0, LineNo, Fd, + Sections#sections{type = guess_type(Line2)}}; + Sections#sections.shebang =:= undefined -> + %% No shebang. Skip the first line + {HeaderSz1, LineNo, Fd, + Sections#sections{type = guess_type(Line2)}}; + true -> + case classify_line(Line2) of + emu_args -> + %% Skip special comment on second line + Line3 = get_line(Fd), + {HeaderSz2, LineNo + 2, Fd, + Sections#sections{type = guess_type(Line3), + comment = undefined, + emu_args = Line2}}; + comment -> + %% Look for special comment on third line + Line3 = get_line(Fd), + {ok, HeaderSz3} = file:position(Fd, cur), + Line3Type = classify_line(Line3), + if + Line3Type =:= emu_args -> + %% Skip special comment on third line + Line4 = get_line(Fd), + {HeaderSz3, LineNo + 3, Fd, + Sections#sections{type = guess_type(Line4), + comment = Line2, + emu_args = Line3}}; + true -> + %% Skip shebang on first line and comment on second + {HeaderSz2, LineNo + 2, Fd, + Sections#sections{type = guess_type(Line3), + comment = Line2}} + end; + _ -> + %% Just skip shebang on first line + {HeaderSz1, LineNo + 1, Fd, + Sections#sections{type = guess_type(Line2)}} + end end. classify_line(Line) -> diff --git a/lib/stdlib/test/escript_SUITE.erl b/lib/stdlib/test/escript_SUITE.erl index 28d69232a0..0b9106a99c 100644 --- a/lib/stdlib/test/escript_SUITE.erl +++ b/lib/stdlib/test/escript_SUITE.erl @@ -28,6 +28,7 @@ strange_name/1, emulator_flags/1, emulator_flags_no_shebang/1, + two_lines/1, module_script/1, beam_script/1, archive_script/1, @@ -49,7 +50,7 @@ suite() -> all() -> [basic, errors, strange_name, emulator_flags, - emulator_flags_no_shebang, + emulator_flags_no_shebang, two_lines, module_script, beam_script, archive_script, epp, create_and_extract, foldl, overflow, archive_script_file_access, unicode]. @@ -153,6 +154,18 @@ emulator_flags(Config) when is_list(Config) -> %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +two_lines(Config) when is_list(Config) -> + Data = proplists:get_value(data_dir, Config), + Dir = filename:absname(Data), %Get rid of trailing slash. + run(Dir, "two_lines -arg1 arg2 arg3", + [<<"main:[\"-arg1\",\"arg2\",\"arg3\"]\n" + "ERL_FLAGS=false\n" + "unknown:[]\n" + "ExitCode:0">>]), + ok. + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + emulator_flags_no_shebang(Config) when is_list(Config) -> Data = proplists:get_value(data_dir, Config), Dir = filename:absname(Data), %Get rid of trailing slash. diff --git a/lib/stdlib/test/escript_SUITE_data/two_lines b/lib/stdlib/test/escript_SUITE_data/two_lines new file mode 100755 index 0000000000..cf4e99639c --- /dev/null +++ b/lib/stdlib/test/escript_SUITE_data/two_lines @@ -0,0 +1,2 @@ +#! /usr/bin/env escript +main(MainArgs) -> io:format("main:~p\n", [MainArgs]), ErlArgs = init:get_arguments(), io:format("ERL_FLAGS=~p\n", [os:getenv("ERL_FLAGS")]), io:format("unknown:~p\n",[[E || E <- ErlArgs, element(1, E) =:= unknown]]). |