diff options
| -rw-r--r-- | lib/edoc/src/edoc.erl | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/lib/edoc/src/edoc.erl b/lib/edoc/src/edoc.erl index b641118c5d..e9d62d3283 100644 --- a/lib/edoc/src/edoc.erl +++ b/lib/edoc/src/edoc.erl @@ -578,7 +578,7 @@ read_source(Name, Opts0) -> Opts = expand_opts(Opts0), case read_source_1(Name, Opts) of {ok, Forms} -> - check_forms(Forms, Name), + check_forms(Forms, Name, Opts), Forms; {error, R} -> edoc_report:error({"error reading file '~ts'.", @@ -692,13 +692,19 @@ fll([T | L], LastLine, Ts) -> fll(L, _LastLine, Ts) -> lists:reverse(L, Ts). -check_forms(Fs, Name) -> +check_forms(Fs, Name, Opts) -> Fun = fun (F) -> case erl_syntax:type(F) of error_marker -> case erl_syntax:error_marker_info(F) of {L, M, D} -> - edoc_report:error(L, Name, {format_error, M, D}); + edoc_report:error(L, Name, {format_error, M, D}), + case proplists:get_bool(preprocess, Opts) of + true -> + ok; + false -> + helpful_message(Name) + end; Other -> edoc_report:report(Name, "unknown error in " "source code: ~w.", [Other]) @@ -710,6 +716,11 @@ check_forms(Fs, Name) -> end, lists:foreach(Fun, Fs). +helpful_message(Name) -> + Ms = ["If the error is caused by too exotic macro", + "definitions or uses of macros, adding option", + "{preprocess, true} can help. See also edoc(3)."], + lists:foreach(fun(M) -> edoc_report:report(Name, M, []) end, Ms). %% @spec get_doc(File::filename()) -> {ModuleName, edoc_module()} %% @equiv get_doc(File, []) |