diff options
Diffstat (limited to 'lib/parsetools')
-rw-r--r-- | lib/parsetools/doc/src/leex.xml | 4 | ||||
-rw-r--r-- | lib/parsetools/doc/src/yecc.xml | 4 | ||||
-rw-r--r-- | lib/parsetools/src/leex.erl | 135 | ||||
-rw-r--r-- | lib/parsetools/src/yecc.erl | 28 | ||||
-rw-r--r-- | lib/parsetools/test/leex_SUITE.erl | 15 | ||||
-rw-r--r-- | lib/parsetools/test/yecc_SUITE.erl | 8 |
6 files changed, 127 insertions, 67 deletions
diff --git a/lib/parsetools/doc/src/leex.xml b/lib/parsetools/doc/src/leex.xml index 12abfd244f..1fa426a79e 100644 --- a/lib/parsetools/doc/src/leex.xml +++ b/lib/parsetools/doc/src/leex.xml @@ -79,6 +79,10 @@ Token = tuple()</code> <item><p>Causes warnings to be printed as they occur. Default is <c>true</c>.</p> </item> + <tag><c>warnings_as_errors</c></tag> + <item> + <p>Causes warnings to be treated as errors.</p> + </item> <tag><c>{report, bool()}</c></tag> <item><p>This is a short form for both <c>report_errors</c> and <c>report_warnings</c>.</p> diff --git a/lib/parsetools/doc/src/yecc.xml b/lib/parsetools/doc/src/yecc.xml index 81f1550b0a..c712609cf4 100644 --- a/lib/parsetools/doc/src/yecc.xml +++ b/lib/parsetools/doc/src/yecc.xml @@ -95,6 +95,10 @@ <item>This is a short form for both <c>report_errors</c> and <c>report_warnings</c>. </item> + <tag><c>warnings_as_errors</c></tag> + <item> + <p>Causes warnings to be treated as errors.</p> + </item> <tag><c>{return_errors, bool()}</c>.</tag> <item>If this flag is set, <c>{error, Errors, Warnings}</c> is returned when there are errors. Default is diff --git a/lib/parsetools/src/leex.erl b/lib/parsetools/src/leex.erl index d0b4b9efe7..942e9928b1 100644 --- a/lib/parsetools/src/leex.erl +++ b/lib/parsetools/src/leex.erl @@ -35,7 +35,7 @@ -export([compile/3,file/1,file/2,format_error/1]). -import(lists, [member/2,reverse/1,sort/1,delete/2, - keysort/2,keydelete/3,keyfind/3, + keysort/2,keydelete/3, map/2,foldl/3,foreach/2,flatmap/2]). -import(string, [substr/2,substr/3,span/2]). -import(ordsets, [is_element/2,add_element/2,union/2]). @@ -58,7 +58,7 @@ gfile=[], % Graph file module, % Module name opts=[], % Options - posix=false, % POSIX regular expressions + % posix=false, % POSIX regular expressions errors=[], warnings=[] }). @@ -107,10 +107,15 @@ file(File, Opts0) -> St = try {ok,REAs,Actions,Code,St2} = parse_file(St1), {DFA,DF} = make_dfa(REAs, St2), - St3 = out_file(St2, DFA, DF, Actions, Code), - case lists:member(dfa_graph, St3#leex.opts) of - true -> out_dfa_graph(St3, DFA, DF); - false -> St3 + case werr(St2) of + false -> + St3 = out_file(St2, DFA, DF, Actions, Code), + case lists:member(dfa_graph, St3#leex.opts) of + true -> out_dfa_graph(St3, DFA, DF); + false -> St3 + end; + true -> + St2 end catch #leex{}=St4 -> St4 @@ -131,8 +136,8 @@ format_error({regexp,E})-> "unterminated " ++ Cs; {illegal_char,Cs} -> "illegal character " ++ Cs; - {posix_cc,What} -> - ["illegal POSIX character class ",io_lib:write_string(What)]; +%% {posix_cc,What} -> +%% ["illegal POSIX character class ",io_lib:write_string(What)]; {char_class,What} -> ["illegal character class ",io_lib:write_string(What)] end, @@ -163,7 +168,8 @@ options(Options0) when is_list(Options0) -> (T) -> [T] end, Options0), options(Options, [scannerfile,includefile,report_errors, - report_warnings,return_errors,return_warnings, + report_warnings,warnings_as_errors, + return_errors,return_warnings, verbose,dfa_graph], []) catch error: _ -> badarg end; @@ -217,6 +223,7 @@ default_option(dfa_graph) -> false; default_option(includefile) -> []; default_option(report_errors) -> true; default_option(report_warnings) -> true; +default_option(warnings_as_errors) -> false; default_option(return_errors) -> false; default_option(return_warnings) -> false; default_option(scannerfile) -> []; @@ -225,6 +232,7 @@ default_option(verbose) -> false. atom_option(dfa_graph) -> {dfa_graph,true}; atom_option(report_errors) -> {report_errors,true}; atom_option(report_warnings) -> {report_warnings,true}; +atom_option(warnings_as_errors) -> {warnings_as_errors,true}; atom_option(return_errors) -> {return_errors,true}; atom_option(return_warnings) -> {return_warnings,true}; atom_option(verbose) -> {verbose,true}; @@ -251,19 +259,29 @@ leex_ret(St) -> report_warnings(St), Es = pack_errors(St#leex.errors), Ws = pack_warnings(St#leex.warnings), + Werr = werr(St), if + Werr -> + do_error_return(St, Es, Ws); Es =:= [] -> case member(return_warnings, St#leex.opts) of true -> {ok, St#leex.efile, Ws}; false -> {ok, St#leex.efile} end; - true -> - case member(return_errors, St#leex.opts) of - true -> {error, Es, Ws}; - false -> error - end + true -> + do_error_return(St, Es, Ws) end. +do_error_return(St, Es, Ws) -> + case member(return_errors, St#leex.opts) of + true -> {error, Es, Ws}; + false -> error + end. + +werr(St) -> + member(warnings_as_errors, St#leex.opts) + andalso length(St#leex.warnings) > 0. + pack_errors([{File,_} | _] = Es) -> [{File, flatmap(fun({_,E}) -> [E] end, sort(Es))}]; pack_errors([]) -> @@ -296,6 +314,7 @@ report_warnings(St) -> end, sort(St#leex.warnings)) end, report_warnings, St#leex.opts). +-spec add_error(_, #leex{}) -> no_return(). add_error(E, St) -> add_error(St#leex.xfile, E, St). @@ -644,14 +663,14 @@ re_repeat1([$*|Cs], Sn, S, St) -> re_repeat1(Cs, Sn, {kclosure,S}, St); re_repeat1([$+|Cs], Sn, S, St) -> re_repeat1(Cs, Sn, {pclosure,S}, St); re_repeat1([$?|Cs], Sn, S, St) -> re_repeat1(Cs, Sn, {optional,S}, St); %% { only starts interval when ere is true, otherwise normal character. -re_repeat1([${|Cs0], Sn, S, #leex{posix=true}=St) -> % $} - case re_interval_range(Cs0) of - {Min,Max,[$}|Cs1]} when is_integer(Min), is_integer(Max), Min =< Max -> - re_repeat1(Cs1, Sn, {interval,S,Min,Max}, St); - {Min,Max,[$}|Cs1]} when is_integer(Min), is_atom(Max) -> - re_repeat1(Cs1, Sn, {interval,S,Min,Max}, St); - {_,_,Cs1} -> parse_error({interval_range,string_between([${|Cs0], Cs1)}) - end; +%% re_repeat1([${|Cs0], Sn, S, #leex{posix=true}=St) -> % $} +%% case re_interval_range(Cs0) of +%% {Min,Max,[$}|Cs1]} when is_integer(Min), is_integer(Max), Min =< Max -> +%% re_repeat1(Cs1, Sn, {interval,S,Min,Max}, St); +%% {Min,Max,[$}|Cs1]} when is_integer(Min), is_atom(Max) -> +%% re_repeat1(Cs1, Sn, {interval,S,Min,Max}, St); +%% {_,_,Cs1} -> parse_error({interval_range,string_between([${|Cs0], Cs1)}) +%% end; re_repeat1(Cs, Sn, S, _) -> {S,Sn,Cs}. %% re_single(Chars, SubNumber, State) -> {RegExp,SubNumber,Chars}. @@ -733,7 +752,7 @@ special_char($|, _) -> true; special_char($*, _) -> true; special_char($+, _) -> true; special_char($?, _) -> true; -special_char(${, #leex{posix=true}) -> true; % Only when POSIX set +%% special_char(${, #leex{posix=true}) -> true; % Only when POSIX set special_char($\\, _) -> true; special_char(_, _) -> false. @@ -744,12 +763,12 @@ re_char_class([$]|Cs], St) -> % Must special case this. re_char_class(Cs, [$]], St); re_char_class(Cs, St) -> re_char_class(Cs, [], St). -re_char_class("[:" ++ Cs0, Cc, #leex{posix=true}=St) -> - %% POSIX char class only. - case posix_cc(Cs0) of - {Pcl,":]" ++ Cs1} -> re_char_class(Cs1, [{posix,Pcl}|Cc], St); - {_,Cs1} -> parse_error({posix_cc,string_between(Cs0, Cs1)}) - end; +%% re_char_class("[:" ++ Cs0, Cc, #leex{posix=true}=St) -> +%% %% POSIX char class only. +%% case posix_cc(Cs0) of +%% {Pcl,":]" ++ Cs1} -> re_char_class(Cs1, [{posix,Pcl}|Cc], St); +%% {_,Cs1} -> parse_error({posix_cc,string_between(Cs0, Cs1)}) +%% end; re_char_class([C1|Cs0], Cc, St) when C1 =/= $] -> case re_char(C1, Cs0) of {Cf,[$-,C2|Cs1]} when C2 =/= $] -> @@ -766,19 +785,19 @@ re_char_class(Cs, Cc, _) -> {reverse(Cc),Cs}. % Preserve order %% posix_cc(String) -> {PosixClass,RestString}. %% Handle POSIX character classes. -posix_cc("alnum" ++ Cs) -> {alnum,Cs}; -posix_cc("alpha" ++ Cs) -> {alpha,Cs}; -posix_cc("blank" ++ Cs) -> {blank,Cs}; -posix_cc("cntrl" ++ Cs) -> {cntrl,Cs}; -posix_cc("digit" ++ Cs) -> {digit,Cs}; -posix_cc("graph" ++ Cs) -> {graph,Cs}; -posix_cc("lower" ++ Cs) -> {lower,Cs}; -posix_cc("print" ++ Cs) -> {print,Cs}; -posix_cc("punct" ++ Cs) -> {punct,Cs}; -posix_cc("space" ++ Cs) -> {space,Cs}; -posix_cc("upper" ++ Cs) -> {upper,Cs}; -posix_cc("xdigit" ++ Cs) -> {xdigit,Cs}; -posix_cc(Cs) -> parse_error({posix_cc,substr(Cs, 1, 5)}). +%% posix_cc("alnum" ++ Cs) -> {alnum,Cs}; +%% posix_cc("alpha" ++ Cs) -> {alpha,Cs}; +%% posix_cc("blank" ++ Cs) -> {blank,Cs}; +%% posix_cc("cntrl" ++ Cs) -> {cntrl,Cs}; +%% posix_cc("digit" ++ Cs) -> {digit,Cs}; +%% posix_cc("graph" ++ Cs) -> {graph,Cs}; +%% posix_cc("lower" ++ Cs) -> {lower,Cs}; +%% posix_cc("print" ++ Cs) -> {print,Cs}; +%% posix_cc("punct" ++ Cs) -> {punct,Cs}; +%% posix_cc("space" ++ Cs) -> {space,Cs}; +%% posix_cc("upper" ++ Cs) -> {upper,Cs}; +%% posix_cc("xdigit" ++ Cs) -> {xdigit,Cs}; +%% posix_cc(Cs) -> parse_error({posix_cc,substr(Cs, 1, 5)}). escape_char($n) -> $\n; % \n = LF escape_char($r) -> $\r; % \r = CR @@ -797,24 +816,24 @@ escape_char(C) -> C. % Pass it straight through %% Int, -> Int,any %% Int1,Int2 -> Int1,Int2 -re_interval_range(Cs0) -> - case re_number(Cs0) of - {none,Cs1} -> {none,none,Cs1}; - {N,[$,|Cs1]} -> - case re_number(Cs1) of - {none,Cs2} -> {N,any,Cs2}; - {M,Cs2} -> {N,M,Cs2} - end; - {N,Cs1} -> {N,none,Cs1} - end. +%% re_interval_range(Cs0) -> +%% case re_number(Cs0) of +%% {none,Cs1} -> {none,none,Cs1}; +%% {N,[$,|Cs1]} -> +%% case re_number(Cs1) of +%% {none,Cs2} -> {N,any,Cs2}; +%% {M,Cs2} -> {N,M,Cs2} +%% end; +%% {N,Cs1} -> {N,none,Cs1} +%% end. -re_number([C|Cs]) when C >= $0, C =< $9 -> - re_number(Cs, C - $0); -re_number(Cs) -> {none,Cs}. +%% re_number([C|Cs]) when C >= $0, C =< $9 -> +%% re_number(Cs, C - $0); +%% re_number(Cs) -> {none,Cs}. -re_number([C|Cs], Acc) when C >= $0, C =< $9 -> - re_number(Cs, 10*Acc + (C - $0)); -re_number(Cs, Acc) -> {Acc,Cs}. +%% re_number([C|Cs], Acc) when C >= $0, C =< $9 -> +%% re_number(Cs, 10*Acc + (C - $0)); +%% re_number(Cs, Acc) -> {Acc,Cs}. string_between(Cs1, Cs2) -> substr(Cs1, 1, length(Cs1)-length(Cs2)). diff --git a/lib/parsetools/src/yecc.erl b/lib/parsetools/src/yecc.erl index 4119e2631b..72cff3af92 100644 --- a/lib/parsetools/src/yecc.erl +++ b/lib/parsetools/src/yecc.erl @@ -278,8 +278,8 @@ options(Options0) when is_list(Options0) -> (T) -> [T] end, Options0), options(Options, [file_attributes, includefile, parserfile, - report_errors, report_warnings, return_errors, - return_warnings, time, verbose], []) + report_errors, report_warnings, warnings_as_errors, + return_errors, return_warnings, time, verbose], []) catch error: _ -> badarg end; options(Option) -> @@ -333,6 +333,7 @@ default_option(includefile) -> []; default_option(parserfile) -> []; default_option(report_errors) -> true; default_option(report_warnings) -> true; +default_option(warnings_as_errors) -> false; default_option(return_errors) -> false; default_option(return_warnings) -> false; default_option(time) -> false; @@ -341,6 +342,7 @@ default_option(verbose) -> false. atom_option(file_attributes) -> {file_attributes, true}; atom_option(report_errors) -> {report_errors, true}; atom_option(report_warnings) -> {report_warnings, true}; +atom_option(warnings_as_errors) -> {warnings_as_errors,true}; atom_option(return_errors) -> {return_errors, true}; atom_option(return_warnings) -> {return_warnings, true}; atom_option(time) -> {time, true}; @@ -409,12 +411,16 @@ infile(Parent, Infilex, Options) -> {error, Reason} -> add_error(St0#yecc.infile, none, {file_error, Reason}, St0) end, - case St#yecc.errors of - [] -> ok; + case {St#yecc.errors, werr(St)} of + {[], false} -> ok; _ -> _ = file:delete(St#yecc.outfile) end, Parent ! {self(), yecc_ret(St)}. +werr(St) -> + member(warnings_as_errors, St#yecc.options) + andalso length(St#yecc.warnings) > 0. + outfile(St0) -> case file:open(St0#yecc.outfile, [write, delayed_write]) of {ok, Outport} -> @@ -777,17 +783,23 @@ yecc_ret(St0) -> report_warnings(St), Es = pack_errors(St#yecc.errors), Ws = pack_warnings(St#yecc.warnings), + Werr = werr(St), if + Werr -> + do_error_return(St, Es, Ws); Es =:= [] -> case member(return_warnings, St#yecc.options) of true -> {ok, St#yecc.outfile, Ws}; false -> {ok, St#yecc.outfile} end; true -> - case member(return_errors, St#yecc.options) of - true -> {error, Es, Ws}; - false -> error - end + do_error_return(St, Es, Ws) + end. + +do_error_return(St, Es, Ws) -> + case member(return_errors, St#yecc.options) of + true -> {error, Es, Ws}; + false -> error end. check_expected(St0) -> diff --git a/lib/parsetools/test/leex_SUITE.erl b/lib/parsetools/test/leex_SUITE.erl index 23ad16f98d..48312445ef 100644 --- a/lib/parsetools/test/leex_SUITE.erl +++ b/lib/parsetools/test/leex_SUITE.erl @@ -152,6 +152,19 @@ file(Config) when is_list(Config) -> ?line writable(Dotfile), file:delete(Dotfile), + Warn = <<"Definitions.1998\n" + "D = [0-9]\n" + "Rules.\n" + "{L}+ : {token,{word,TokenLine,TokenChars}}.\n" + "Erlang code.\n">>, + ok = file:write_file(Filename, Warn), + error = leex:file(Filename, [warnings_as_errors]), + error = leex:file(Filename, [return_warnings,warnings_as_errors]), + {ok,Scannerfile,[{Filename,[{1,leex,ignored_characters}]}]} = + leex:file(Filename, [return_warnings]), + {error,_,[{Filename,[{1,leex,ignored_characters}]}]} = + leex:file(Filename, [return_errors,warnings_as_errors]), + file:delete(Filename), ok. @@ -551,7 +564,7 @@ ex2(Config) when is_list(Config) -> <<" %%% File : erlang_scan.xrl %%% Author : Robert Virding -%%% Purpose : Tkoen definitions for Erlang. +%%% Purpose : Token definitions for Erlang. Definitions. O = [0-7] diff --git a/lib/parsetools/test/yecc_SUITE.erl b/lib/parsetools/test/yecc_SUITE.erl index 1de87b3bff..0133524950 100644 --- a/lib/parsetools/test/yecc_SUITE.erl +++ b/lib/parsetools/test/yecc_SUITE.erl @@ -247,6 +247,14 @@ syntax(Config) when is_list(Config) -> ?line {ok,_,[{_,[{2,yecc,bad_declaration}]}]} = yecc:file(Filename, Ret), + %% Bad declaration with warnings_as_errors. + error = yecc:file(Filename, [warnings_as_errors]), + error = yecc:file(Filename, [return_warnings,warnings_as_errors]), + {ok,_,[{_,[{2,yecc,bad_declaration}]}]} = + yecc:file(Filename, [return_warnings]), + {error,_,[{_,[{2,yecc,bad_declaration}]}]} = + yecc:file(Filename, [return_errors,warnings_as_errors]), + %% Bad declaration. ?line ok = file:write_file(Filename, <<"Nonterminals nt. Terminals t. |