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-rw-r--r--lib/stdlib/src/re.erl32
1 files changed, 24 insertions, 8 deletions
diff --git a/lib/stdlib/src/re.erl b/lib/stdlib/src/re.erl
index 79176ff317..649e87ef2c 100644
--- a/lib/stdlib/src/re.erl
+++ b/lib/stdlib/src/re.erl
@@ -64,11 +64,13 @@ run(_, _) ->
-spec run(Subject, RE, Options) -> {match, Captured} |
match |
- nomatch when
+ nomatch |
+ {error, ErrType} when
Subject :: iodata() | unicode:charlist(),
RE :: mp() | iodata() | unicode:charlist(),
Options :: [Option],
- Option :: anchored | global | notbol | noteol | notempty | notempty_atstart
+ Option :: anchored | global | notbol | noteol | notempty
+ | notempty_atstart | report_errors
| {offset, non_neg_integer()} |
{newline, NLSpec :: nl_spec()} |
bsr_anycrlf | bsr_unicode | {capture, ValueSpec} |
@@ -84,7 +86,9 @@ run(_, _) ->
| binary(),
ListConversionData :: string()
| {error, string(), binary()}
- | {incomplete, string(), binary()}.
+ | {incomplete, string(), binary()},
+ ErrType :: match_limit | match_limit_recursion | {compile, CompileErr},
+ CompileErr :: {ErrString :: string(), Position :: non_neg_integer()}.
run(_, _, _) ->
erlang:nif_error(undef).
@@ -304,7 +308,8 @@ replace(Subject,RE,Replacement) ->
RE :: mp() | iodata() | unicode:charlist(),
Replacement :: iodata() | unicode:charlist(),
Options :: [Option],
- Option :: anchored | global | notbol | noteol | notempty | notempty_atstart
+ Option :: anchored | global | notbol | noteol | notempty
+ | notempty_atstart
| {offset, non_neg_integer()} | {newline, NLSpec} | bsr_anycrlf
| bsr_unicode | {return, ReturnType} | CompileOpt,
ReturnType :: iodata | list | binary,
@@ -361,6 +366,8 @@ process_repl_params([],Convert,Unicode) ->
process_repl_params([unicode|T],C,_U) ->
{NT,NC,NU} = process_repl_params(T,C,true),
{[unicode|NT],NC,NU};
+process_repl_params([report_errors|_],_,_) ->
+ throw(badopt);
process_repl_params([{capture,_,_}|_],_,_) ->
throw(badopt);
process_repl_params([{capture,_}|_],_,_) ->
@@ -396,6 +403,8 @@ process_split_params([group|T],C,U,L,S,_G) ->
process_split_params(T,C,U,L,S,true);
process_split_params([global|_],_,_,_,_,_) ->
throw(badopt);
+process_split_params([report_errors|_],_,_,_,_,_) ->
+ throw(badopt);
process_split_params([{capture,_,_}|_],_,_,_,_,_) ->
throw(badopt);
process_split_params([{capture,_}|_],_,_,_,_,_) ->
@@ -747,15 +756,22 @@ do_grun(FlatSubject,Subject,Unicode,CRLF,RE,{Options0,NeedClean}) ->
CorrectReturn ->
CorrectReturn
end,
- postprocess(loopexec(FlatSubject,RE,InitialOffset,
- byte_size(FlatSubject),
- Unicode,CRLF,StrippedOptions),
- SelectReturn,ConvertReturn,FlatSubject,Unicode).
+ try
+ postprocess(loopexec(FlatSubject,RE,InitialOffset,
+ byte_size(FlatSubject),
+ Unicode,CRLF,StrippedOptions),
+ SelectReturn,ConvertReturn,FlatSubject,Unicode)
+ catch
+ throw:ErrTuple ->
+ ErrTuple
+ end.
loopexec(_,_,X,Y,_,_,_) when X > Y ->
{match,[]};
loopexec(Subject,RE,X,Y,Unicode,CRLF,Options) ->
case re:run(Subject,RE,[{offset,X}]++Options) of
+ {error, Err} ->
+ throw({error,Err});
nomatch ->
{match,[]};
{match,[{A,B}|More]} ->