diff options
Diffstat (limited to 'lib/parsetools/src/leex.erl')
| -rw-r--r-- | lib/parsetools/src/leex.erl | 52 |
1 files changed, 35 insertions, 17 deletions
diff --git a/lib/parsetools/src/leex.erl b/lib/parsetools/src/leex.erl index 942e9928b1..cdf20461d9 100644 --- a/lib/parsetools/src/leex.erl +++ b/lib/parsetools/src/leex.erl @@ -73,12 +73,15 @@ %%% Interface to erl_compile. compile(Input0, Output0, - #options{warning = WarnLevel, verbose=Verbose, includes=Includes}) -> + #options{warning = WarnLevel, verbose=Verbose, includes=Includes, + specific=Specific}) -> Input = assure_extension(shorten_filename(Input0), ".xrl"), Output = assure_extension(shorten_filename(Output0), ".erl"), Includefile = lists:sublist(Includes, 1), + Werror = proplists:get_bool(warnings_as_errors, Specific), Opts = [{scannerfile,Output},{includefile,Includefile},{verbose,Verbose}, - {report_errors,true},{report_warnings,WarnLevel > 0}], + {report_errors,true},{report_warnings,WarnLevel > 0}, + {warnings_as_errors, Werror}], case file(Input, Opts) of {ok, _} -> ok; @@ -107,7 +110,7 @@ file(File, Opts0) -> St = try {ok,REAs,Actions,Code,St2} = parse_file(St1), {DFA,DF} = make_dfa(REAs, St2), - case werr(St2) of + case werror(St2) of false -> St3 = out_file(St2, DFA, DF, Actions, Code), case lists:member(dfa_graph, St3#leex.opts) of @@ -259,9 +262,9 @@ leex_ret(St) -> report_warnings(St), Es = pack_errors(St#leex.errors), Ws = pack_warnings(St#leex.warnings), - Werr = werr(St), + Werror = werror(St), if - Werr -> + Werror -> do_error_return(St, Es, Ws); Es =:= [] -> case member(return_warnings, St#leex.opts) of @@ -278,9 +281,9 @@ do_error_return(St, Es, Ws) -> false -> error end. -werr(St) -> - member(warnings_as_errors, St#leex.opts) - andalso length(St#leex.warnings) > 0. +werror(St) -> + St#leex.warnings =/= [] + andalso member(warnings_as_errors, St#leex.opts). pack_errors([{File,_} | _] = Es) -> [{File, flatmap(fun({_,E}) -> [E] end, sort(Es))}]; @@ -304,15 +307,24 @@ report_errors(St) -> end, report_errors, St#leex.opts). report_warnings(St) -> - when_opt(fun () -> - foreach(fun({File,{none,Mod,W}}) -> - io:fwrite("~s: Warning: ~s\n", - [File,Mod:format_error(W)]); - ({File,{Line,Mod,W}}) -> - io:fwrite("~s:~w: Warning: ~s\n", - [File,Line,Mod:format_error(W)]) - end, sort(St#leex.warnings)) - end, report_warnings, St#leex.opts). + Werror = member(warnings_as_errors, St#leex.opts), + Prefix = case Werror of + true -> ""; + false -> "Warning: " + end, + ReportWerror = Werror andalso member(report_errors, St#leex.opts), + ShouldReport = member(report_warnings, St#leex.opts) orelse ReportWerror, + when_bool(fun () -> + foreach(fun({File,{none,Mod,W}}) -> + io:fwrite("~s: ~s~s\n", + [File,Prefix, + Mod:format_error(W)]); + ({File,{Line,Mod,W}}) -> + io:fwrite("~s:~w: ~s~s\n", + [File,Line,Prefix, + Mod:format_error(W)]) + end, sort(St#leex.warnings)) + end, ShouldReport). -spec add_error(_, #leex{}) -> no_return(). add_error(E, St) -> @@ -360,6 +372,12 @@ when_opt(Do, Opt, Opts) -> false -> ok end. +when_bool(Do, Bool) -> + case Bool of + true -> Do(); + false -> ok + end. + verbose_print(St, Format, Args) -> when_opt(fun () -> io:fwrite(Format, Args) end, verbose, St#leex.opts). |