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author | Patrik Nyblom <pan@erlang.org> | 2013-07-30 17:41:14 +0200 |
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committer | Patrik Nyblom <pan@erlang.org> | 2013-08-09 12:10:43 +0200 |
commit | 1f4c016785a924b2e42fbb7858640be3d46e9625 (patch) | |
tree | 76805d61bdb6d35d5acbfa6e0a453a132765b340 /lib/stdlib | |
parent | 00999b464b9dbbbe4d538490a8892557c1d9d6df (diff) | |
download | otp-1f4c016785a924b2e42fbb7858640be3d46e9625.tar.gz otp-1f4c016785a924b2e42fbb7858640be3d46e9625.tar.bz2 otp-1f4c016785a924b2e42fbb7858640be3d46e9625.zip |
Add return_errors option to re:run/3
Diffstat (limited to 'lib/stdlib')
-rw-r--r-- | lib/stdlib/src/re.erl | 32 | ||||
-rw-r--r-- | lib/stdlib/test/re_SUITE.erl | 179 |
2 files changed, 120 insertions, 91 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]} -> diff --git a/lib/stdlib/test/re_SUITE.erl b/lib/stdlib/test/re_SUITE.erl index 129f2b3e4c..1a2f1e0ac5 100644 --- a/lib/stdlib/test/re_SUITE.erl +++ b/lib/stdlib/test/re_SUITE.erl @@ -472,115 +472,125 @@ error_handling() -> % The malformed precomiled RE is detected after % the trap to re:grun from grun, in the grun function clause % that handles precompiled expressions - ?line {'EXIT',{badarg,[{re,run,["apa",{1,2,3,4},[global]],_}, - {?MODULE,error_handling,0,_} | _]}} = + {'EXIT',{badarg,[{re,run,["apa",{1,2,3,4},[global]],_}, + {?MODULE,error_handling,0,_} | _]}} = (catch re:run("apa",{1,2,3,4},[global])), % An invalid capture list will also cause a badarg late, % but with a non pre compiled RE, the exception should be thrown by the % grun function clause that handles RE's compiled implicitly by % the run/3 BIF before trapping. - ?line {'EXIT',{badarg,[{re,run,["apa","p",[{capture,[1,{a}]},global]],_}, - {?MODULE,error_handling,0,_} | _]}} = + {'EXIT',{badarg,[{re,run,["apa","p",[{capture,[1,{a}]},global]],_}, + {?MODULE,error_handling,0,_} | _]}} = (catch re:run("apa","p",[{capture,[1,{a}]},global])), % And so the case of a precompiled expression together with % a compile-option (binary and list subject): - ?line {ok,RE} = re:compile("(p)"), - ?line {match,[[{1,1},{1,1}]]} = re:run(<<"apa">>,RE,[global]), - ?line {match,[[{1,1},{1,1}]]} = re:run("apa",RE,[global]), - ?line {'EXIT',{badarg,[{re,run, - [<<"apa">>, - {re_pattern,1,0,_,_}, - [global,unicode]],_}, - {?MODULE,error_handling,0,_} | _]}} = + {ok,RE} = re:compile("(p)"), + {match,[[{1,1},{1,1}]]} = re:run(<<"apa">>,RE,[global]), + {match,[[{1,1},{1,1}]]} = re:run("apa",RE,[global]), + {'EXIT',{badarg,[{re,run, + [<<"apa">>, + {re_pattern,1,0,_,_}, + [global,unicode]],_}, + {?MODULE,error_handling,0,_} | _]}} = (catch re:run(<<"apa">>,RE,[global,unicode])), - ?line {'EXIT',{badarg,[{re,run, - ["apa", - {re_pattern,1,0,_,_}, - [global,unicode]],_}, - {?MODULE,error_handling,0,_} | _]}} = + {'EXIT',{badarg,[{re,run, + ["apa", + {re_pattern,1,0,_,_}, + [global,unicode]],_}, + {?MODULE,error_handling,0,_} | _]}} = (catch re:run("apa",RE,[global,unicode])), - ?line {'EXIT',{badarg,_}} = (catch re:run("apa","(p",[])), - ?line {'EXIT',{badarg,_}} = (catch re:run("apa","(p",[global])), + {'EXIT',{badarg,_}} = (catch re:run("apa","(p",[])), + {error, {compile, {_,_}}} = re:run("apa","(p",[report_errors]), + {'EXIT',{badarg,_}} = (catch re:run("apa","(p",[global])), + {error, {compile, {_,_}}} = re:run("apa","(p",[report_errors,global]), % The replace errors: - ?line {'EXIT',{badarg,[{re,replace,["apa",{1,2,3,4},"X",[]],_}, - {?MODULE,error_handling,0,_} | _]}} = + {'EXIT',{badarg,[{re,replace,["apa",{1,2,3,4},"X",[]],_}, + {?MODULE,error_handling,0,_} | _]}} = (catch re:replace("apa",{1,2,3,4},"X",[])), - ?line {'EXIT',{badarg,[{re,replace,["apa",{1,2,3,4},"X",[global]],_}, - {?MODULE,error_handling,0,_} | _]}} = + {'EXIT',{badarg,[{re,replace,["apa",{1,2,3,4},"X",[global]],_}, + {?MODULE,error_handling,0,_} | _]}} = (catch re:replace("apa",{1,2,3,4},"X",[global])), - ?line {'EXIT',{badarg,[{re,replace, - ["apa", - {re_pattern,1,0,_,_}, - "X", - [unicode]],_}, - {?MODULE,error_handling,0,_} | _]}} = + {'EXIT',{badarg,[{re,replace, + ["apa", + {re_pattern,1,0,_,_}, + "X", + [unicode]],_}, + {?MODULE,error_handling,0,_} | _]}} = (catch re:replace("apa",RE,"X",[unicode])), - ?line <<"aXa">> = iolist_to_binary(re:replace("apa","p","X",[])), - ?line {'EXIT',{badarg,[{re,replace, - ["apa","p","X",[{capture,all,binary}]],_}, - {?MODULE,error_handling,0,_} | _]}} = + <<"aXa">> = iolist_to_binary(re:replace("apa","p","X",[])), + {'EXIT',{badarg,[{re,replace, + ["apa","p","X",[report_errors]],_}, + {?MODULE,error_handling,0,_} | _]}} = (catch iolist_to_binary(re:replace("apa","p","X", - [{capture,all,binary}]))), - ?line {'EXIT',{badarg,[{re,replace, - ["apa","p","X",[{capture,all}]],_}, - {?MODULE,error_handling,0,_} | _]}} = + [report_errors]))), + {'EXIT',{badarg,[{re,replace, + ["apa","p","X",[{capture,all,binary}]],_}, + {?MODULE,error_handling,0,_} | _]}} = (catch iolist_to_binary(re:replace("apa","p","X", - [{capture,all}]))), - ?line {'EXIT',{badarg,[{re,replace, - ["apa","p","X",[{return,banana}]],_}, - {?MODULE,error_handling,0,_} | _]}} = + [{capture,all,binary}]))), + {'EXIT',{badarg,[{re,replace, + ["apa","p","X",[{capture,all}]],_}, + {?MODULE,error_handling,0,_} | _]}} = (catch iolist_to_binary(re:replace("apa","p","X", - [{return,banana}]))), - ?line {'EXIT',{badarg,_}} = (catch re:replace("apa","(p","X",[])), + [{capture,all}]))), + {'EXIT',{badarg,[{re,replace, + ["apa","p","X",[{return,banana}]],_}, + {?MODULE,error_handling,0,_} | _]}} = + (catch iolist_to_binary(re:replace("apa","p","X", + [{return,banana}]))), + {'EXIT',{badarg,_}} = (catch re:replace("apa","(p","X",[])), % Badarg, not compile error. - ?line {'EXIT',{badarg,[{re,replace, - ["apa","(p","X",[{return,banana}]],_}, - {?MODULE,error_handling,0,_} | _]}} = + {'EXIT',{badarg,[{re,replace, + ["apa","(p","X",[{return,banana}]],_}, + {?MODULE,error_handling,0,_} | _]}} = (catch iolist_to_binary(re:replace("apa","(p","X", - [{return,banana}]))), + [{return,banana}]))), % And the split errors: - ?line [<<"a">>,<<"a">>] = (catch re:split("apa","p",[])), - ?line [<<"a">>,<<"p">>,<<"a">>] = (catch re:split("apa",RE,[])), - ?line {'EXIT',{badarg,[{re,split,["apa","p",[global]],_}, - {?MODULE,error_handling,0,_} | _]}} = + [<<"a">>,<<"a">>] = (catch re:split("apa","p",[])), + [<<"a">>,<<"p">>,<<"a">>] = (catch re:split("apa",RE,[])), + {'EXIT',{badarg,[{re,split,["apa","p",[report_errors]],_}, + {?MODULE,error_handling,0,_} | _]}} = + (catch re:split("apa","p",[report_errors])), + {'EXIT',{badarg,[{re,split,["apa","p",[global]],_}, + {?MODULE,error_handling,0,_} | _]}} = (catch re:split("apa","p",[global])), - ?line {'EXIT',{badarg,[{re,split,["apa","p",[{capture,all}]],_}, - {?MODULE,error_handling,0,_} | _]}} = + {'EXIT',{badarg,[{re,split,["apa","p",[{capture,all}]],_}, + {?MODULE,error_handling,0,_} | _]}} = (catch re:split("apa","p",[{capture,all}])), - ?line {'EXIT',{badarg,[{re,split,["apa","p",[{capture,all,binary}]],_}, - {?MODULE, error_handling,0,_} | _]}} = + {'EXIT',{badarg,[{re,split,["apa","p",[{capture,all,binary}]],_}, + {?MODULE, error_handling,0,_} | _]}} = (catch re:split("apa","p",[{capture,all,binary}])), - ?line {'EXIT',{badarg,[{re,split,["apa",{1,2,3,4},[]],_}, - {?MODULE,error_handling,0,_} | _]}} = + {'EXIT',{badarg,[{re,split,["apa",{1,2,3,4},[]],_}, + {?MODULE,error_handling,0,_} | _]}} = (catch re:split("apa",{1,2,3,4})), - ?line {'EXIT',{badarg,[{re,split,["apa",{1,2,3,4},[]],_}, - {?MODULE,error_handling,0,_} | _]}} = + {'EXIT',{badarg,[{re,split,["apa",{1,2,3,4},[]],_}, + {?MODULE,error_handling,0,_} | _]}} = (catch re:split("apa",{1,2,3,4},[])), - ?line {'EXIT',{badarg,[{re,split, - ["apa", - RE, - [unicode]],_}, - {?MODULE,error_handling,0,_} | _]}} = + {'EXIT',{badarg,[{re,split, + ["apa", + RE, + [unicode]],_}, + {?MODULE,error_handling,0,_} | _]}} = (catch re:split("apa",RE,[unicode])), - ?line {'EXIT',{badarg,[{re,split, - ["apa", - RE, - [{return,banana}]],_}, - {?MODULE,error_handling,0,_} | _]}} = + {'EXIT',{badarg,[{re,split, + ["apa", + RE, + [{return,banana}]],_}, + {?MODULE,error_handling,0,_} | _]}} = (catch re:split("apa",RE,[{return,banana}])), - ?line {'EXIT',{badarg,[{re,split, - ["apa", - RE, - [banana]],_}, - {?MODULE,error_handling,0,_} | _]}} = + {'EXIT',{badarg,[{re,split, + ["apa", + RE, + [banana]],_}, + {?MODULE,error_handling,0,_} | _]}} = (catch re:split("apa",RE,[banana])), - ?line {'EXIT',{badarg,_}} = (catch re:split("apa","(p")), + {'EXIT',{badarg,_}} = (catch re:split("apa","(p")), %Exception on bad argument, not compilation error - ?line {'EXIT',{badarg,[{re,split, - ["apa", - "(p", - [banana]],_}, - {?MODULE,error_handling,0,_} | _]}} = + {'EXIT',{badarg,[{re,split, + ["apa", + "(p", + [banana]],_}, + {?MODULE,error_handling,0,_} | _]}} = (catch re:split("apa","(p",[banana])), ?t:timetrap_cancel(Dog), ok. @@ -603,14 +613,17 @@ re_infinite_loop(doc) -> "Make sure matches that really loop infinitely actually fail"; re_infinite_loop(Config) when is_list(Config) -> Dog = ?t:timetrap(?t:minutes(1)), - ?line Str = + Str = "http:/www.flickr.com/slideShow/index.gne?group_id=&user_id=69845378@N0", - ?line EMail_regex = "[a-z0-9!#$%&'*+/=?^_`{|}~-]+" + EMail_regex = "[a-z0-9!#$%&'*+/=?^_`{|}~-]+" ++ "(\.[a-z0-9!#$%&'*+/=?^_`{|}~-]+)*" ++ "@.*([a-z0-9](?:[a-z0-9-]*[a-z0-9])?\.)+" ++ "([a-zA-Z]{2}|com|org|net|gov|mil" ++ "|biz|info|mobi|name|aero|jobs|museum)", - ?line nomatch = re:run(Str, EMail_regex), + nomatch = re:run(Str, EMail_regex), + nomatch = re:run(Str, EMail_regex, [global]), + {error,match_limit} = re:run(Str, EMail_regex,[report_errors]), + {error,match_limit} = re:run(Str, EMail_regex,[report_errors,global]), ?t:timetrap_cancel(Dog), ok. re_backwards_accented(doc) -> |