diff options
Diffstat (limited to 'lib/syntax_tools/src/igor.erl')
-rw-r--r-- | lib/syntax_tools/src/igor.erl | 55 |
1 files changed, 39 insertions, 16 deletions
diff --git a/lib/syntax_tools/src/igor.erl b/lib/syntax_tools/src/igor.erl index 37e561cbbe..8abc3f41cb 100644 --- a/lib/syntax_tools/src/igor.erl +++ b/lib/syntax_tools/src/igor.erl @@ -341,10 +341,12 @@ merge(Name, Files) -> merge(Name, Files, Opts) -> Opts1 = Opts ++ ?DEFAULT_MERGE_OPTS, - {Tree, Stubs} = merge_files(Name, Files, Opts1), + {Sources, Enc} = merge_files1(Files, Opts1), + {Tree, Stubs} = merge_sources(Name, Sources, Opts1), Dir = proplists:get_value(dir, Opts1, ""), Filename = proplists:get_value(outfile, Opts1, Name), - File = write_module(Tree, Filename, Dir, Opts1), + Encoding = [{encoding, Enc} || Enc =/= none], + File = write_module(Tree, Filename, Dir, Encoding ++ Opts1), [File | maybe_create_stubs(Stubs, Opts1)]. @@ -459,16 +461,21 @@ merge_files(Name, Files, Options) -> -spec merge_files(atom(), erl_syntax:forms(), [file:filename()], [option()]) -> {erl_syntax:syntaxTree(), [stubDescriptor()]}. -merge_files(_, _Trees, [], _) -> +merge_files(Name, Trees, Files, Opts) -> + {Sources, _Encoding} = merge_files1(Files, Opts), + merge_sources(Name, Trees ++ Sources, Opts). + +merge_files1([], _) -> report_error("no files to merge."), exit(badarg); -merge_files(Name, Trees, Files, Opts) -> +merge_files1(Files, Opts) -> Opts1 = Opts ++ [{includes, ?DEFAULT_INCLUDES}, {macros, ?DEFAULT_MACROS}, {preprocess, false}, comments], - Sources = [read_module(F, Opts1) || F <- Files], - merge_sources(Name, Trees ++ Sources, Opts1). + SourceEncodings = [read_module(F, Opts1) || F <- Files], + {Sources, [Encoding | _]} = lists:unzip(SourceEncodings), + {Sources, Encoding}. %% ===================================================================== @@ -2512,7 +2519,11 @@ rename(Files, Renamings, Opts) -> lists:flatmap(fun (F) -> rename_file(F, Dict, Opts1) end, Files). rename_file(File, Dict, Opts) -> - S = read_module(File, Opts), + {S, Enc} = read_module(File, Opts), + %% Try to avoid *two* coding: comments: + Encoding = [{encoding, Enc} || + Enc =/= none, + not proplists:get_bool(comments, Opts)], M = get_module_info(S), Name = M#module.name, Name1 = case dict:find(Name, Dict) of @@ -2526,10 +2537,10 @@ rename_file(File, Dict, Opts) -> Opts1 = [no_headers, {export, [Name]}, {static, [Name]}, - {redirect, dict:to_list(Dict1)}] ++ Opts, + {redirect, dict:to_list(Dict1)}] ++ Encoding ++ Opts, {Tree, Stubs} = merge_sources(Name1, [S], Opts1), Dir = filename:dirname(filename(File)), - File1 = write_module(Tree, Name1, Dir, Opts), + File1 = write_module(Tree, Name1, Dir, Opts++Encoding), %% We create the stub file in the same directory as the source file %% and the target file. @@ -2648,7 +2659,7 @@ error_text(D, Name) -> {L, M, E} when is_integer(L), is_atom(M) -> case catch M:format_error(E) of S when is_list(S) -> - io_lib:fwrite("`~w', line ~w: ~s.", + io_lib:fwrite("`~w', line ~w: ~ts.", [Name, L, S]); _ -> error_text_1(D, Name) @@ -2706,7 +2717,17 @@ open_output_file(FName) -> exit(R) end. -%% read_module(Name, Options) -> syntaxTree() +output_encoding(FD, Opts) -> + case proplists:get_value(encoding, Opts) of + undefined -> + ok = io:setopts(FD, [{encoding, epp:default_encoding()}]); + Encoding -> + ok = io:setopts(FD, [{encoding, Encoding}]), + EncS = epp:encoding_to_string(Encoding), + ok = io:fwrite(FD, <<"%% ~s\n">>, [EncS]) + end. + +%% read_module(Name, Options) -> {syntaxTree(), epp:source_encoding()} %% %% This also tries to locate the real source file, if "Name" does not %% point directly to a particular file. @@ -2729,20 +2750,21 @@ read_module(Name, Options) -> read_module_1(Name, Options) -> verbose("reading module `~s'.", [filename(Name)], Options), - Forms = read_module_2(Name, Options), + {Forms, Enc} = read_module_2(Name, Options), case proplists:get_bool(comments, Options) of false -> - Forms; + {Forms, Enc}; true -> Comments = erl_comment_scan:file(Name), - erl_recomment:recomment_forms(Forms, Comments) + {erl_recomment:recomment_forms(Forms, Comments), Enc} end. read_module_2(Name, Options) -> case read_module_3(Name, Options) of {ok, Forms} -> check_forms(Forms, Name), - Forms; + Enc = epp:read_encoding(Name), + {Forms, Enc}; {error, _} = Error -> error_read_file(Name), exit(Error) @@ -2772,7 +2794,7 @@ check_forms([F | Fs], File) -> _ -> "unknown error" end, - report_error("in file `~s' at line ~w:\n ~s", + report_error("in file `~s' at line ~w:\n ~ts", [filename(File), erl_syntax:get_pos(F), S]), exit(error); _ -> @@ -2847,6 +2869,7 @@ write_module(Tree, Name, Dir, Opts) -> end, Printer = proplists:get_value(printer, Opts), FD = open_output_file(File), + ok = output_encoding(FD, Opts), verbose("writing to file `~s'.", [File], Opts), V = (catch {ok, output(FD, Printer, Tree, Opts)}), ok = file:close(FD), |