diff options
| -rw-r--r-- | lib/stdlib/doc/src/epp.xml | 8 | ||||
| -rw-r--r-- | lib/stdlib/src/epp.erl | 13 | ||||
| -rw-r--r-- | lib/stdlib/test/epp_SUITE.erl | 16 | ||||
| -rw-r--r-- | lib/stdlib/test/epp_SUITE_data/source_name.erl | 27 |
4 files changed, 57 insertions, 7 deletions
diff --git a/lib/stdlib/doc/src/epp.xml b/lib/stdlib/doc/src/epp.xml index 1dc0161398..d803d259aa 100644 --- a/lib/stdlib/doc/src/epp.xml +++ b/lib/stdlib/doc/src/epp.xml @@ -124,6 +124,10 @@ <fsummary>Open a file for preprocessing.</fsummary> <desc> <p>Opens a file for preprocessing.</p> + <p>If you want to change the file name of the implicit -file() + attributes inserted during preprocessing, you can do with + <c>{source_name, <anno>SourceName</anno>}</c>. If unset it will + default to the name of the opened file.</p> <p>If <c>extra</c> is specified in <c><anno>Options</anno></c>, the return value is <c>{ok, <anno>Epp</anno>, <anno>Extra</anno>}</c> instead @@ -169,6 +173,10 @@ <p>Preprocesses and parses an Erlang source file. Notice that tuple <c>{eof, <anno>Line</anno>}</c> returned at the end of the file is included as a "form".</p> + <p>If you want to change the file name of the implicit -file() + attributes inserted during preprocessing, you can do with + <c>{source_name, <anno>SourceName</anno>}</c>. If unset it will + default to the name of the opened file.</p> <p>If <c>extra</c> is specified in <c><anno>Options</anno></c>, the return value is <c>{ok, [<anno>Form</anno>], <anno>Extra</anno>}</c> instead diff --git a/lib/stdlib/src/epp.erl b/lib/stdlib/src/epp.erl index cc34d4bdd3..181a524db6 100644 --- a/lib/stdlib/src/epp.erl +++ b/lib/stdlib/src/epp.erl @@ -117,6 +117,7 @@ open(Name, File, StartLocation, Path, Pdm) -> {'ok', Epp} | {'ok', Epp, Extra} | {'error', ErrorDescriptor} when Options :: [{'default_encoding', DefEncoding :: source_encoding()} | {'includes', IncludePath :: [DirectoryName :: file:name()]} | + {'source_name', SourceName :: file:name()} | {'macros', PredefMacros :: macros()} | {'name',FileName :: file:name()} | 'extra'], @@ -248,6 +249,7 @@ parse_file(Ifile, Path, Predefs) -> {'ok', [Form]} | {'ok', [Form], Extra} | {error, OpenError} when FileName :: file:name(), Options :: [{'includes', IncludePath :: [DirectoryName :: file:name()]} | + {'source_name', SourceName :: file:name()} | {'macros', PredefMacros :: macros()} | {'default_encoding', DefEncoding :: source_encoding()} | 'extra'], @@ -540,9 +542,10 @@ server(Pid, Name, Options, #epp{pre_opened=PreOpened}=St) -> init_server(Pid, Name, Options, St) end. -init_server(Pid, Name, Options, St0) -> +init_server(Pid, FileName, Options, St0) -> + SourceName = proplists:get_value(source_name, Options, FileName), Pdm = proplists:get_value(macros, Options, []), - Ms0 = predef_macros(Name), + Ms0 = predef_macros(FileName), case user_predef(Pdm, Ms0) of {ok,Ms1} -> #epp{file = File, location = AtLocation} = St0, @@ -552,14 +555,14 @@ init_server(Pid, Name, Options, St0) -> epp_reply(Pid, {ok,self(),Encoding}), %% ensure directory of current source file is %% first in path - Path = [filename:dirname(Name) | + Path = [filename:dirname(FileName) | proplists:get_value(includes, Options, [])], - St = St0#epp{delta=0, name=Name, name2=Name, + St = St0#epp{delta=0, name=SourceName, name2=SourceName, path=Path, macs=Ms1, default_encoding=DefEncoding}, From = wait_request(St), Anno = erl_anno:new(AtLocation), - enter_file_reply(From, file_name(Name), Anno, + enter_file_reply(From, file_name(SourceName), Anno, AtLocation, code), wait_req_scan(St); {error,E} -> diff --git a/lib/stdlib/test/epp_SUITE.erl b/lib/stdlib/test/epp_SUITE.erl index a3e294ffea..0ac99ad03a 100644 --- a/lib/stdlib/test/epp_SUITE.erl +++ b/lib/stdlib/test/epp_SUITE.erl @@ -29,7 +29,7 @@ otp_8562/1, otp_8665/1, otp_8911/1, otp_10302/1, otp_10820/1, otp_11728/1, encoding/1, extends/1, function_macro/1, test_error/1, test_warning/1, otp_14285/1, - test_if/1]). + test_if/1,source_name/1]). -export([epp_parse_erl_form/2]). @@ -70,7 +70,7 @@ all() -> overload_mac, otp_8388, otp_8470, otp_8562, otp_8665, otp_8911, otp_10302, otp_10820, otp_11728, encoding, extends, function_macro, test_error, test_warning, - otp_14285, test_if]. + otp_14285, test_if, source_name]. groups() -> [{upcase_mac, [], [upcase_mac_1, upcase_mac_2]}, @@ -1702,6 +1702,18 @@ function_macro(Config) -> ok. +source_name(Config) when is_list(Config) -> + DataDir = proplists:get_value(data_dir, Config), + File = filename:join(DataDir, "source_name.erl"), + + source_name_1(File, "/test/gurka.erl"), + source_name_1(File, "gaffel.erl"), + + ok. + +source_name_1(File, Expected) -> + Res = epp:parse_file(File, [{source_name, Expected}]), + {ok, [{attribute,_,file,{Expected,_}} | _Forms]} = Res. check(Config, Tests) -> eval_tests(Config, fun check_test/2, Tests). diff --git a/lib/stdlib/test/epp_SUITE_data/source_name.erl b/lib/stdlib/test/epp_SUITE_data/source_name.erl new file mode 100644 index 0000000000..71ad2dddb9 --- /dev/null +++ b/lib/stdlib/test/epp_SUITE_data/source_name.erl @@ -0,0 +1,27 @@ +%% +%% %CopyrightBegin% +%% +%% Copyright Ericsson AB 2018. All Rights Reserved. +%% +%% 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 +%% +%% 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% +%% + +-module(source_name). +-export([ok/0]). + +%% Changing source name should not affect headers +-include("bar.hrl"). + +ok() -> ok. |