i vibe coded itHEADmaster

1 files changed, 1909 insertions, 0 deletions

diff --git a/server/_build/default/lib/jsx/src/jsx_decoder.erl b/server/_build/default/lib/jsx/src/jsx_decoder.erl
new file mode 100644
index 0000000..a706c89
--- /dev/null
+++ b/server/_build/default/lib/jsx/src/jsx_decoder.erl
@@ -0,0 +1,1909 @@
+%% The MIT License
+
+%% Copyright (c) 2010-2013 alisdair sullivan <alisdairsullivan@yahoo.ca>
+
+%% Permission is hereby granted, free of charge, to any person obtaining a copy
+%% of this software and associated documentation files (the "Software"), to deal
+%% in the Software without restriction, including without limitation the rights
+%% to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+%% copies of the Software, and to permit persons to whom the Software is
+%% furnished to do so, subject to the following conditions:
+
+%% The above copyright notice and this permission notice shall be included in
+%% all copies or substantial portions of the Software.
+
+%% THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+%% IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+%% FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+%% AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+%% LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+%% OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+%% THE SOFTWARE.
+
+
+-module(jsx_decoder).
+
+%% inline handle_event, format_number and maybe_replace
+-compile({inline, [handle_event/3]}).
+-compile({inline, [format_number/1]}).
+-compile({inline, [maybe_replace/2]}).
+-compile({inline, [doublequote/5, singlequote/5]}).
+
+-export([decoder/3, resume/6]).
+
+
+-spec decoder(Handler::module(), State::any(), Config::jsx_config:options()) -> jsx:decoder().
+
+decoder(Handler, State, Config) ->
+    fun(JSON) -> start(JSON, {Handler, Handler:init(State)}, [], jsx_config:parse_config(Config)) end.
+
+
+%% resume allows continuation from interrupted decoding without having to explicitly export
+%%  all states
+-spec resume(
+        Rest::binary(),
+        State::atom(),
+        Handler::module(),
+        Acc::any(),
+        Stack::list(atom()),
+        Config::jsx:config()
+    ) -> jsx:decoder() | {incomplete, jsx:decoder()}.
+
+resume(Rest, State, Handler, Acc, Stack, Config) ->
+    case State of
+        start -> start(Rest, Handler, Stack, Config);
+        value -> value(Rest, Handler, Stack, Config);
+        object -> object(Rest, Handler, Stack, Config);
+        array -> array(Rest, Handler, Stack, Config);
+        colon -> colon(Rest, Handler, Stack, Config);
+        key -> key(Rest, Handler, Stack, Config);
+        string -> string(Rest, Handler, Acc, Stack, Config);
+        number -> number(Rest, Handler, Acc, Stack, Config);
+        true -> true(Rest, Handler, Stack, Config);
+        false -> false(Rest, Handler, Stack, Config);
+        null -> null(Rest, Handler, Stack, Config);
+        comment -> comment(Rest, Handler, Acc, Stack, Config);
+        maybe_done -> maybe_done(Rest, Handler, Stack, Config);
+        done -> done(Rest, Handler, Stack, Config)
+    end.
+
+
+-include("jsx_config.hrl").
+
+
+%% whitespace
+-define(space, 16#20).
+-define(tab, 16#09).
+-define(cr, 16#0D).
+-define(newline, 16#0A).
+
+%% object delimiters
+-define(start_object, 16#7B).
+-define(end_object, 16#7D).
+
+%% array delimiters
+-define(start_array, 16#5B).
+-define(end_array, 16#5D).
+
+%% kv seperator
+-define(comma, 16#2C).
+-define(doublequote, 16#22).
+-define(singlequote, 16#27).
+-define(colon, 16#3A).
+
+%% string escape sequences
+-define(rsolidus, 16#5C).
+-define(solidus, 16#2F).
+
+%% math
+-define(zero, 16#30).
+-define(decimalpoint, 16#2E).
+-define(negative, 16#2D).
+-define(positive, 16#2B).
+
+%% comments
+-define(star, 16#2A).
+
+
+%% some useful guards
+-define(is_hex(Symbol),
+    (Symbol >= $a andalso Symbol =< $f) orelse
+    (Symbol >= $A andalso Symbol =< $F) orelse
+    (Symbol >= $0 andalso Symbol =< $9)
+).
+
+-define(is_nonzero(Symbol),
+    Symbol >= $1 andalso Symbol =< $9
+).
+
+
+%% error is a macro so the stack trace shows the error site when possible
+-ifndef(error).
+-define(error(State, Bin, Handler, Acc, Stack, Config),
+    case Config#config.error_handler of
+        false -> erlang:error(badarg);
+        F -> F(Bin, {decoder, State, Handler, Acc, Stack}, jsx_config:config_to_list(Config))
+    end
+).
+-define(error(State, Bin, Handler, Stack, Config),
+    ?error(State, Bin, Handler, null, Stack, Config)
+).
+-endif.
+
+
+incomplete(State, Rest, Handler, Stack, Config = #config{stream=false}) ->
+    ?error(State, Rest, Handler, Stack, Config);
+incomplete(State, Rest, Handler, Stack, Config) ->
+    incomplete(State, Rest, Handler, unused, Stack, Config).
+
+    
+incomplete(State, Rest, Handler, Acc, Stack, Config = #config{stream=false}) ->
+    ?error(State, Rest, Handler, Acc, Stack, Config);
+incomplete(State, Rest, Handler, Acc, Stack, Config = #config{incomplete_handler=false}) ->
+    {incomplete, fun(Stream) when is_binary(Stream) ->
+                resume(<<Rest/binary, Stream/binary>>, State, Handler, Acc, Stack, Config);
+            (End) when End == end_stream; End == end_json ->
+                case resume(<<Rest/binary, ?space/utf8>>, State, Handler, Acc, Stack, Config#config{stream=false}) of
+                    {incomplete, _} -> ?error(State, Rest, Handler, Acc, Stack, Config);
+                    Else -> Else
+                end
+        end
+    };
+incomplete(State, Rest, Handler, Acc, Stack, Config = #config{incomplete_handler=F}) ->
+    F(Rest, {decoder, State, Handler, Acc, Stack}, jsx_config:config_to_list(Config)).
+
+
+handle_event(Event, {Handler, State}, _Config) -> {Handler, Handler:handle_event(Event, State)}.
+
+
+start(<<16#ef, 16#bb, 16#bf, Rest/binary>>, Handler, Stack, Config) ->
+    value(Rest, Handler, Stack, Config);
+start(<<16#ef, 16#bb>>, Handler, Stack, Config) ->
+    incomplete(start, <<16#ef, 16#bb>>, Handler, Stack, Config);
+start(<<16#ef>>, Handler, Stack, Config) ->
+    incomplete(start, <<16#ef>>, Handler, Stack, Config);
+start(<<>>, Handler, Stack, Config) ->
+    incomplete(start, <<>>, Handler, Stack, Config);
+start(Bin, Handler, Stack, Config) ->
+    value(Bin, Handler, Stack, Config).
+
+
+value(<<?doublequote, Rest/binary>>, Handler, Stack, Config) ->
+    string(Rest, Handler, Stack, Config);
+value(<<?space, Rest/binary>>, Handler, Stack, Config) ->
+    value(Rest, Handler, Stack, Config);
+value(<<?start_object, Rest/binary>>, Handler, Stack, Config) ->
+    object(Rest, handle_event(start_object, Handler, Config), [key|Stack], Config);
+value(<<?start_array, Rest/binary>>, Handler, Stack, Config) ->
+    array(Rest, handle_event(start_array, Handler, Config), [array|Stack], Config);
+value(<<$t, $r, $u, $e, Rest/binary>>, Handler, Stack, Config) ->
+    maybe_done(Rest, handle_event({literal, true}, Handler, Config), Stack, Config);
+value(<<$f, $a, $l, $s, $e, Rest/binary>>, Handler, Stack, Config) ->
+    maybe_done(Rest, handle_event({literal, false}, Handler, Config), Stack, Config);
+value(<<$n, $u, $l, $l, Rest/binary>>, Handler, Stack, Config) ->
+    maybe_done(Rest, handle_event({literal, null}, Handler, Config), Stack, Config);
+value(<<?zero, Rest/binary>>, Handler, Stack, Config) ->
+    number(Rest, Handler, [?zero], [zero|Stack], Config);
+value(<<$1, Rest/binary>>, Handler, Stack, Config) ->
+    number(Rest, Handler, [$1], [integer|Stack], Config);
+value(<<$2, Rest/binary>>, Handler, Stack, Config) ->
+    number(Rest, Handler, [$2], [integer|Stack], Config);
+value(<<$3, Rest/binary>>, Handler, Stack, Config) ->
+    number(Rest, Handler, [$3], [integer|Stack], Config);
+value(<<$4, Rest/binary>>, Handler, Stack, Config) ->
+    number(Rest, Handler, [$4], [integer|Stack], Config);
+value(<<$5, Rest/binary>>, Handler, Stack, Config) ->
+    number(Rest, Handler, [$5], [integer|Stack], Config);
+value(<<$6, Rest/binary>>, Handler, Stack, Config) ->
+    number(Rest, Handler, [$6], [integer|Stack], Config);
+value(<<$7, Rest/binary>>, Handler, Stack, Config) ->
+    number(Rest, Handler, [$7], [integer|Stack], Config);
+value(<<$8, Rest/binary>>, Handler, Stack, Config) ->
+    number(Rest, Handler, [$8], [integer|Stack], Config);
+value(<<$9, Rest/binary>>, Handler, Stack, Config) ->
+    number(Rest, Handler, [$9], [integer|Stack], Config);
+value(<<?negative, Rest/binary>>, Handler, Stack, Config) ->
+    number(Rest, Handler, [$-], [negative|Stack], Config);
+value(<<?newline, Rest/binary>>, Handler, Stack, Config) ->
+    value(Rest, Handler, Stack, Config);
+value(<<$t, Rest/binary>>, Handler, Stack, Config) ->
+    true(Rest, Handler, Stack, Config);
+value(<<$f, Rest/binary>>, Handler, Stack, Config) ->
+    false(Rest, Handler, Stack, Config);
+value(<<$n, Rest/binary>>, Handler, Stack, Config) ->
+    null(Rest, Handler, Stack, Config);
+value(<<?tab, Rest/binary>>, Handler, Stack, Config) ->
+    value(Rest, Handler, Stack, Config);
+value(<<?cr, Rest/binary>>, Handler, Stack, Config) ->
+    value(Rest, Handler, Stack, Config);
+value(<<?singlequote, Rest/binary>>, Handler, Stack, Config=#config{strict_single_quotes=false}) ->
+    string(Rest, Handler, [singlequote|Stack], Config);
+value(<<?end_array, _/binary>> = Rest, Handler, Stack, Config=#config{strict_commas=false}) ->
+    maybe_done(Rest, Handler, Stack, Config);
+value(<<?solidus, Rest/binary>>, Handler, Stack, Config=#config{strict_comments=true}) ->
+    ?error(value, <<?solidus, Rest/binary>>, Handler, Stack, Config);
+value(<<?solidus, ?solidus, Rest/binary>>, Handler, Stack, Config) ->
+    comment(Rest, Handler, value, [comment|Stack], Config);
+value(<<?solidus, ?star, Rest/binary>>, Handler, Stack, Config) ->
+    comment(Rest, Handler, value, [multicomment|Stack], Config);
+value(<<?solidus>>, Handler, Stack, Config) ->
+    incomplete(value, <<?solidus>>, Handler, Stack, Config);
+value(<<>>, Handler, Stack, Config) ->
+    incomplete(value, <<>>, Handler, Stack, Config);
+value(Bin, Handler, Stack, Config) ->
+    ?error(value, Bin, Handler, Stack, Config).
+
+
+object(<<?doublequote, Rest/binary>>, Handler, Stack, Config) ->
+    string(Rest, Handler, Stack, Config);
+object(<<?space, Rest/binary>>, Handler, Stack, Config) ->
+    object(Rest, Handler, Stack, Config);
+object(<<?end_object, Rest/binary>>, Handler, [key|Stack], Config) ->
+    maybe_done(Rest, handle_event(end_object, Handler, Config), Stack, Config);
+object(<<?newline, Rest/binary>>, Handler, Stack, Config) ->
+    object(Rest, Handler, Stack, Config);
+object(<<?tab, Rest/binary>>, Handler, Stack, Config) ->
+    object(Rest, Handler, Stack, Config);
+object(<<?cr, Rest/binary>>, Handler, Stack, Config) ->
+    object(Rest, Handler, Stack, Config);
+object(<<?singlequote, Rest/binary>>, Handler, Stack, Config=#config{strict_single_quotes=false}) ->
+    string(Rest, Handler, [singlequote|Stack], Config);
+object(<<?solidus, Rest/binary>>, Handler, Stack, Config=#config{strict_comments=true}) ->
+    ?error(object, <<?solidus, Rest/binary>>, Handler, Stack, Config);
+object(<<?solidus, ?solidus, Rest/binary>>, Handler, Stack, Config) ->
+    comment(Rest, Handler, object, [comment|Stack], Config);
+object(<<?solidus, ?star, Rest/binary>>, Handler, Stack, Config) ->
+    comment(Rest, Handler, object, [multicomment|Stack], Config);
+object(<<?solidus>>, Handler, Stack, Config) ->
+    incomplete(object, <<?solidus>>, Handler, Stack, Config);
+object(<<>>, Handler, Stack, Config) ->
+    incomplete(object, <<>>, Handler, Stack, Config);
+object(Bin, Handler, Stack, Config) ->
+    ?error(object, Bin, Handler, Stack, Config).
+
+
+array(<<?end_array, Rest/binary>>, Handler, [array|Stack], Config) ->
+    maybe_done(Rest, handle_event(end_array, Handler, Config), Stack, Config);
+array(<<?space, Rest/binary>>, Handler, Stack, Config) ->
+    array(Rest, Handler, Stack, Config);
+array(<<?newline, Rest/binary>>, Handler, Stack, Config) ->
+    array(Rest, Handler, Stack, Config);
+array(<<?tab, Rest/binary>>, Handler, Stack, Config) ->
+    array(Rest, Handler, Stack, Config);
+array(<<?cr, Rest/binary>>, Handler, Stack, Config) ->
+    array(Rest, Handler, Stack, Config);
+array(<<?solidus, Rest/binary>>, Handler, Stack, Config=#config{strict_comments=true}) ->
+    value(<<?solidus, Rest/binary>>, Handler, Stack, Config);
+array(<<?solidus, ?solidus, Rest/binary>>, Handler, Stack, Config) ->
+    comment(Rest, Handler, array, [comment|Stack], Config);
+array(<<?solidus, ?star, Rest/binary>>, Handler, Stack, Config) ->
+    comment(Rest, Handler, array, [multicomment|Stack], Config);
+array(<<?solidus>>, Handler, Stack, Config) ->
+    incomplete(array, <<?solidus>>, Handler, Stack, Config);
+array(<<>>, Handler, Stack, Config) ->
+    incomplete(array, <<>>, Handler, Stack, Config);
+array(Bin, Handler, Stack, Config) ->
+    value(Bin, Handler, Stack, Config).
+
+
+colon(<<?colon, Rest/binary>>, Handler, [key|Stack], Config) ->
+    value(Rest, Handler, [object|Stack], Config);
+colon(<<?space, Rest/binary>>, Handler, Stack, Config) ->
+    colon(Rest, Handler, Stack, Config);
+colon(<<?newline, Rest/binary>>, Handler, Stack, Config) ->
+    colon(Rest, Handler, Stack, Config);
+colon(<<?tab, Rest/binary>>, Handler, Stack, Config) ->
+    colon(Rest, Handler, Stack, Config);
+colon(<<?cr, Rest/binary>>, Handler, Stack, Config) ->
+    colon(Rest, Handler, Stack, Config);
+colon(<<?solidus, Rest/binary>>, Handler, Stack, Config=#config{strict_comments=true}) ->
+    ?error(colon, <<?solidus, Rest/binary>>, Handler, Stack, Config);
+colon(<<?solidus, ?solidus, Rest/binary>>, Handler, Stack, Config) ->
+    comment(Rest, Handler, colon, [comment|Stack], Config);
+colon(<<?solidus, ?star, Rest/binary>>, Handler, Stack, Config) ->
+    comment(Rest, Handler, colon, [multicomment|Stack], Config);
+colon(<<?solidus>>, Handler, Stack, Config) ->
+    incomplete(colon, <<?solidus>>, Handler, Stack, Config);
+colon(<<>>, Handler, Stack, Config) ->
+    incomplete(colon, <<>>, Handler, Stack, Config);
+colon(Bin, Handler, Stack, Config) ->
+    ?error(colon, Bin, Handler, Stack, Config).
+
+
+key(<<?doublequote, Rest/binary>>, Handler, Stack, Config) ->
+    string(Rest, Handler, Stack, Config);
+key(<<?space, Rest/binary>>, Handler, Stack, Config) ->
+    key(Rest, Handler, Stack, Config);
+key(<<?end_object, Rest/binary>>, Handler, [key|Stack], Config=#config{strict_commas=false}) ->
+    maybe_done(<<?end_object, Rest/binary>>, Handler, [object|Stack], Config);
+key(<<?newline, Rest/binary>>, Handler, Stack, Config) ->
+    key(Rest, Handler, Stack, Config);
+key(<<?tab, Rest/binary>>, Handler, Stack, Config) ->
+    key(Rest, Handler, Stack, Config);
+key(<<?cr, Rest/binary>>, Handler, Stack, Config) ->
+    key(Rest, Handler, Stack, Config);
+key(<<?singlequote, Rest/binary>>, Handler, Stack, Config=#config{strict_single_quotes=false}) ->
+    string(Rest, Handler, [singlequote|Stack], Config);
+key(<<?solidus, Rest/binary>>, Handler, Stack, Config=#config{strict_comments=true}) ->
+    ?error(key, <<?solidus, Rest/binary>>, Handler, Stack, Config);
+key(<<?solidus, ?solidus, Rest/binary>>, Handler, Stack, Config) ->
+    comment(Rest, Handler, key, [comment|Stack], Config);
+key(<<?solidus, ?star, Rest/binary>>, Handler, Stack, Config) ->
+    comment(Rest, Handler, key, [multicomment|Stack], Config);
+key(<<?solidus>>, Handler, Stack, Config) ->
+    incomplete(key, <<?solidus>>, Handler, Stack, Config);
+key(<<>>, Handler, Stack, Config) ->
+    incomplete(key, <<>>, Handler, Stack, Config);
+key(Bin, Handler, Stack, Config) ->
+    ?error(key, Bin, Handler, Stack, Config).
+
+
+%% note that if you encounter an error from string and you can't find the clause that
+%%  caused it here, it might be in unescape below
+string(Bin, Handler, Stack, Config) ->
+    string(Bin, Handler, [], Stack, Config).
+
+
+string(<<?doublequote, Rest/binary>>, Handler, Acc, Stack, Config) ->
+    doublequote(Rest, Handler, Acc, Stack, Config);
+string(<<?singlequote, Rest/binary>>, Handler, Acc, Stack, Config) ->
+    singlequote(Rest, Handler, Acc, Stack, Config);
+string(<<?solidus, Rest/binary>>, Handler, Acc, Stack, Config) ->
+    string(Rest, Handler, [Acc, maybe_replace(?solidus, Config)], Stack, Config);
+string(<<?rsolidus/utf8, Rest/binary>>, Handler, Acc, Stack, Config) ->
+    unescape(Rest, Handler, Acc, Stack, Config);
+%% TODO this is pretty gross and i don't like it
+string(<<X/utf8, Rest/binary>> = Bin, Handler, Acc, Stack, Config=#config{uescape=true}) ->
+    case X of
+        X when X < 16#80 -> count(Bin, Handler, Acc, Stack, Config);
+        X -> string(Rest, Handler, [Acc, json_escape_sequence(X)], Stack, Config)
+    end;
+%% u+2028
+string(<<226, 128, 168, Rest/binary>>, Handler, Acc, Stack, Config) ->
+    string(Rest, Handler, [Acc, maybe_replace(16#2028, Config)], Stack, Config);
+%% u+2029
+string(<<226, 128, 169, Rest/binary>>, Handler, Acc, Stack, Config) ->
+    string(Rest, Handler, [Acc, maybe_replace(16#2029, Config)], Stack, Config);
+string(<<X/utf8, _/binary>> = Bin, Handler, Acc, Stack, Config=#config{strict_control_codes=true}) when X > 16#1f ->
+    count(Bin, Handler, Acc, Stack, Config);
+string(<<_/utf8, _/binary>> = Bin, Handler, Acc, Stack, Config=#config{strict_control_codes=false}) ->
+    count(Bin, Handler, Acc, Stack, Config);
+%% necessary for bytes that are badly formed utf8 that won't match in `count`
+string(<<X, Rest/binary>>, Handler, Acc, Stack, Config=#config{dirty_strings=true}) ->
+    string(Rest, Handler, [Acc, X], Stack, Config);
+%% u+fffe and u+ffff for R14BXX (subsequent runtimes will happily match with /utf8
+string(<<239, 191, 190, Rest/binary>>, Handler, Acc, Stack, Config) ->
+    string(Rest, Handler, [Acc, <<16#fffe/utf8>>], Stack, Config);
+string(<<239, 191, 191, Rest/binary>>, Handler, Acc, Stack, Config) ->
+    string(Rest, Handler, [Acc, <<16#ffff/utf8>>], Stack, Config);
+string(<<>>, Handler, Acc, Stack, Config) ->
+    incomplete(string, <<>>, Handler, Acc, Stack, Config);
+string(<<X>>, Handler, Acc, Stack, Config) when X >= 2#11000000 ->
+    incomplete(string, <<X>>, Handler, Acc, Stack, Config);
+string(<<X, Y>>, Handler, Acc, Stack, Config) when X >= 2#11100000, Y >= 2#10000000 ->
+    incomplete(string, <<X, Y>>, Handler, Acc, Stack, Config);
+string(<<X, Y, Z>>, Handler, Acc, Stack, Config)
+        when X >= 2#11100000, Y >= 2#10000000, Z >= 2#10000000 ->
+    incomplete(string, <<X, Y, Z>>, Handler, Acc, Stack, Config);
+%% surrogates
+string(<<237, X, _, Rest/binary>>, Handler, Acc, Stack, Config=#config{strict_utf8=false})
+        when X >= 160 ->
+    string(Rest, Handler, [Acc, <<16#fffd/utf8>>], Stack, Config);
+%% overlong encodings and missing continuations of a 2 byte sequence
+string(<<X, Rest/binary>>, Handler, Acc, Stack, Config=#config{strict_utf8=false})
+        when X >= 192, X =< 223 ->
+    strip_continuations(Rest, Handler, Acc, Stack, Config, 1);
+%% overlong encodings and missing continuations of a 3 byte sequence
+string(<<X, Rest/binary>>, Handler, Acc, Stack, Config=#config{strict_utf8=false})
+        when X >= 224, X =< 239 ->
+    strip_continuations(Rest, Handler, Acc, Stack, Config, 2);
+%% overlong encodings and missing continuations of a 4 byte sequence
+string(<<X, Rest/binary>>, Handler, Acc, Stack, Config=#config{strict_utf8=false})
+        when X >= 240, X =< 247 ->
+    strip_continuations(Rest, Handler, Acc, Stack, Config, 3);
+%% incompletes and unexpected bytes, including orphan continuations
+string(<<_, Rest/binary>>, Handler, Acc, Stack, Config=#config{strict_utf8=false}) ->
+    string(Rest, Handler, [Acc, <<16#fffd/utf8>>], Stack, Config);
+string(Bin, Handler, Acc, Stack, Config) -> ?error(string, Bin, Handler, Acc, Stack, Config).
+
+
+count(Bin, Handler, Acc, Stack, Config) ->
+    Size = count(Bin, 0, Config),
+    <<Clean:Size/binary, Rest/binary>> = Bin,
+    string(Rest, Handler, [Acc, Clean], Stack, Config).
+
+
+%% explicitly whitelist ascii set for faster parsing. really? really. someone should
+%%  submit a patch that unrolls simple guards
+count(<<32, Rest/binary>>, N, Config) ->
+    count(Rest, N + 1, Config);
+count(<<33, Rest/binary>>, N, Config) ->
+    count(Rest, N + 1, Config);
+count(<<?doublequote, _/binary>>, N, _) -> N;
+count(<<35, Rest/binary>>, N, Config) ->
+    count(Rest, N + 1, Config);
+count(<<36, Rest/binary>>, N, Config) ->
+    count(Rest, N + 1, Config);
+count(<<37, Rest/binary>>, N, Config) ->
+    count(Rest, N + 1, Config);
+count(<<38, Rest/binary>>, N, Config) ->
+    count(Rest, N + 1, Config);
+count(<<?singlequote, _/binary>>, N, _) -> N;
+count(<<40, Rest/binary>>, N, Config) ->
+    count(Rest, N + 1, Config);
+count(<<41, Rest/binary>>, N, Config) ->
+    count(Rest, N + 1, Config);
+count(<<42, Rest/binary>>, N, Config) ->
+    count(Rest, N + 1, Config);
+count(<<43, Rest/binary>>, N, Config) ->
+    count(Rest, N + 1, Config);
+count(<<44, Rest/binary>>, N, Config) ->
+    count(Rest, N + 1, Config);
+count(<<45, Rest/binary>>, N, Config) ->
+    count(Rest, N + 1, Config);
+count(<<46, Rest/binary>>, N, Config) ->
+    count(Rest, N + 1, Config);
+count(<<?solidus, _/binary>>, N, _) -> N;
+count(<<48, Rest/binary>>, N, Config) ->
+    count(Rest, N + 1, Config);
+count(<<49, Rest/binary>>, N, Config) ->
+    count(Rest, N + 1, Config);
+count(<<50, Rest/binary>>, N, Config) ->
+    count(Rest, N + 1, Config);
+count(<<51, Rest/binary>>, N, Config) ->
+    count(Rest, N + 1, Config);
+count(<<52, Rest/binary>>, N, Config) ->
+    count(Rest, N + 1, Config);
+count(<<53, Rest/binary>>, N, Config) ->
+    count(Rest, N + 1, Config);
+count(<<54, Rest/binary>>, N, Config) ->
+    count(Rest, N + 1, Config);
+count(<<55, Rest/binary>>, N, Config) ->
+    count(Rest, N + 1, Config);
+count(<<56, Rest/binary>>, N, Config) ->
+    count(Rest, N + 1, Config);
+count(<<57, Rest/binary>>, N, Config) ->
+    count(Rest, N + 1, Config);
+count(<<58, Rest/binary>>, N, Config) ->
+    count(Rest, N + 1, Config);
+count(<<59, Rest/binary>>, N, Config) ->
+    count(Rest, N + 1, Config);
+count(<<60, Rest/binary>>, N, Config) ->
+    count(Rest, N + 1, Config);
+count(<<61, Rest/binary>>, N, Config) ->
+    count(Rest, N + 1, Config);
+count(<<62, Rest/binary>>, N, Config) ->
+    count(Rest, N + 1, Config);
+count(<<63, Rest/binary>>, N, Config) ->
+    count(Rest, N + 1, Config);
+count(<<64, Rest/binary>>, N, Config) ->
+    count(Rest, N + 1, Config);
+count(<<65, Rest/binary>>, N, Config) ->
+    count(Rest, N + 1, Config);
+count(<<66, Rest/binary>>, N, Config) ->
+    count(Rest, N + 1, Config);
+count(<<67, Rest/binary>>, N, Config) ->
+    count(Rest, N + 1, Config);
+count(<<68, Rest/binary>>, N, Config) ->
+    count(Rest, N + 1, Config);
+count(<<69, Rest/binary>>, N, Config) ->
+    count(Rest, N + 1, Config);
+count(<<70, Rest/binary>>, N, Config) ->
+    count(Rest, N + 1, Config);
+count(<<71, Rest/binary>>, N, Config) ->
+    count(Rest, N + 1, Config);
+count(<<72, Rest/binary>>, N, Config) ->
+    count(Rest, N + 1, Config);
+count(<<73, Rest/binary>>, N, Config) ->
+    count(Rest, N + 1, Config);
+count(<<74, Rest/binary>>, N, Config) ->
+    count(Rest, N + 1, Config);
+count(<<75, Rest/binary>>, N, Config) ->
+    count(Rest, N + 1, Config);
+count(<<76, Rest/binary>>, N, Config) ->
+    count(Rest, N + 1, Config);
+count(<<77, Rest/binary>>, N, Config) ->
+    count(Rest, N + 1, Config);
+count(<<78, Rest/binary>>, N, Config) ->
+    count(Rest, N + 1, Config);
+count(<<79, Rest/binary>>, N, Config) ->
+    count(Rest, N + 1, Config);
+count(<<80, Rest/binary>>, N, Config) ->
+    count(Rest, N + 1, Config);
+count(<<81, Rest/binary>>, N, Config) ->
+    count(Rest, N + 1, Config);
+count(<<82, Rest/binary>>, N, Config) ->
+    count(Rest, N + 1, Config);
+count(<<83, Rest/binary>>, N, Config) ->
+    count(Rest, N + 1, Config);
+count(<<84, Rest/binary>>, N, Config) ->
+    count(Rest, N + 1, Config);
+count(<<85, Rest/binary>>, N, Config) ->
+    count(Rest, N + 1, Config);
+count(<<86, Rest/binary>>, N, Config) ->
+    count(Rest, N + 1, Config);
+count(<<87, Rest/binary>>, N, Config) ->
+    count(Rest, N + 1, Config);
+count(<<88, Rest/binary>>, N, Config) ->
+    count(Rest, N + 1, Config);
+count(<<89, Rest/binary>>, N, Config) ->
+    count(Rest, N + 1, Config);
+count(<<90, Rest/binary>>, N, Config) ->
+    count(Rest, N + 1, Config);
+count(<<91, Rest/binary>>, N, Config) ->
+    count(Rest, N + 1, Config);
+count(<<?rsolidus, _/binary>>, N, _) -> N;
+count(<<93, Rest/binary>>, N, Config) ->
+    count(Rest, N + 1, Config);
+count(<<94, Rest/binary>>, N, Config) ->
+    count(Rest, N + 1, Config);
+count(<<95, Rest/binary>>, N, Config) ->
+    count(Rest, N + 1, Config);
+count(<<96, Rest/binary>>, N, Config) ->
+    count(Rest, N + 1, Config);
+count(<<97, Rest/binary>>, N, Config) ->
+    count(Rest, N + 1, Config);
+count(<<98, Rest/binary>>, N, Config) ->
+    count(Rest, N + 1, Config);
+count(<<99, Rest/binary>>, N, Config) ->
+    count(Rest, N + 1, Config);
+count(<<100, Rest/binary>>, N, Config) ->
+    count(Rest, N + 1, Config);
+count(<<101, Rest/binary>>, N, Config) ->
+    count(Rest, N + 1, Config);
+count(<<102, Rest/binary>>, N, Config) ->
+    count(Rest, N + 1, Config);
+count(<<103, Rest/binary>>, N, Config) ->
+    count(Rest, N + 1, Config);
+count(<<104, Rest/binary>>, N, Config) ->
+    count(Rest, N + 1, Config);
+count(<<105, Rest/binary>>, N, Config) ->
+    count(Rest, N + 1, Config);
+count(<<106, Rest/binary>>, N, Config) ->
+    count(Rest, N + 1, Config);
+count(<<107, Rest/binary>>, N, Config) ->
+    count(Rest, N + 1, Config);
+count(<<108, Rest/binary>>, N, Config) ->
+    count(Rest, N + 1, Config);
+count(<<109, Rest/binary>>, N, Config) ->
+    count(Rest, N + 1, Config);
+count(<<110, Rest/binary>>, N, Config) ->
+    count(Rest, N + 1, Config);
+count(<<111, Rest/binary>>, N, Config) ->
+    count(Rest, N + 1, Config);
+count(<<112, Rest/binary>>, N, Config) ->
+    count(Rest, N + 1, Config);
+count(<<113, Rest/binary>>, N, Config) ->
+    count(Rest, N + 1, Config);
+count(<<114, Rest/binary>>, N, Config) ->
+    count(Rest, N + 1, Config);
+count(<<115, Rest/binary>>, N, Config) ->
+    count(Rest, N + 1, Config);
+count(<<116, Rest/binary>>, N, Config) ->
+    count(Rest, N + 1, Config);
+count(<<117, Rest/binary>>, N, Config) ->
+    count(Rest, N + 1, Config);
+count(<<118, Rest/binary>>, N, Config) ->
+    count(Rest, N + 1, Config);
+count(<<119, Rest/binary>>, N, Config) ->
+    count(Rest, N + 1, Config);
+count(<<120, Rest/binary>>, N, Config) ->
+    count(Rest, N + 1, Config);
+count(<<121, Rest/binary>>, N, Config) ->
+    count(Rest, N + 1, Config);
+count(<<122, Rest/binary>>, N, Config) ->
+    count(Rest, N + 1, Config);
+count(<<123, Rest/binary>>, N, Config) ->
+    count(Rest, N + 1, Config);
+count(<<124, Rest/binary>>, N, Config) ->
+    count(Rest, N + 1, Config);
+count(<<125, Rest/binary>>, N, Config) ->
+    count(Rest, N + 1, Config);
+count(<<126, Rest/binary>>, N, Config) ->
+    count(Rest, N + 1, Config);
+count(<<127, Rest/binary>>, N, Config) ->
+    count(Rest, N + 1, Config);
+count(<<_, Rest/binary>>, N, Config=#config{dirty_strings=true}) ->
+    count(Rest, N + 1, Config);
+count(<<_/utf8, _/binary>>, N, #config{uescape=true}) -> N;
+count(<<X/utf8, Rest/binary>>, N, Config=#config{strict_control_codes=false}) when X < 32 ->
+    count(Rest, N + 1, Config);
+count(<<X/utf8, _/binary>>, N, #config{strict_control_codes=true}) when X < 32 -> N;
+count(<<X/utf8, Rest/binary>>, N, Config) ->
+    case X of
+        X when X < 16#800 -> count(Rest, N + 2, Config);
+        %% jsonp escaping
+        16#2028 -> N;
+        16#2029 -> N;
+        X when X < 16#10000 -> count(Rest, N + 3, Config);
+        _ -> count(Rest, N + 4, Config)
+    end;
+count(_, N, _) -> N.
+
+
+doublequote(Rest, Handler, Acc, [key|_] = Stack, Config) ->
+    colon(Rest, handle_event({key, iolist_to_binary(Acc)}, Handler, Config), Stack, Config);
+doublequote(Rest, Handler, Acc, [singlequote|_] = Stack, Config) ->
+    string(Rest, Handler, [Acc, maybe_replace(?doublequote, Config)], Stack, Config);
+doublequote(<<>>, Handler, Acc, [singlequote|_] = Stack, Config) ->
+    incomplete(string, <<?doublequote>>, Handler, Acc, Stack, Config);
+doublequote(Rest, Handler, Acc, Stack, Config) ->
+    maybe_done(Rest, handle_event({string, iolist_to_binary(Acc)}, Handler, Config), Stack, Config).
+
+
+singlequote(Rest, Handler, Acc, [singlequote, key|Stack], Config) ->
+    colon(Rest, handle_event({key, iolist_to_binary(Acc)}, Handler, Config), [key|Stack], Config);
+singlequote(Rest, Handler, Acc, [singlequote|Stack], Config) ->
+    maybe_done(Rest, handle_event({string, iolist_to_binary(Acc)}, Handler, Config), Stack, Config);
+singlequote(Rest, Handler, Acc, Stack, Config) ->
+    string(Rest, Handler, [Acc, ?singlequote], Stack, Config).
+
+
+%% strips continuation bytes after bad utf bytes, guards against both too short
+%%  and overlong sequences. N is the maximum number of bytes to strip
+strip_continuations(<<Rest/binary>>, Handler, Acc, Stack, Config, 0) ->
+    string(Rest, Handler, [Acc, <<16#fffd/utf8>>], Stack, Config);
+strip_continuations(<<X, Rest/binary>>, Handler, Acc, Stack, Config, N) when X >= 128, X =< 191 ->
+    strip_continuations(Rest, Handler, Acc, Stack, Config, N - 1);
+%% if end of input is reached before stripping the max number of continuations
+%%  possible magic numbers are reinserted into the stream that get us back to
+%%  the same state without complicated machinery
+strip_continuations(<<>>, Handler, Acc, Stack, Config, N) ->
+    case N of
+        1 -> incomplete(string, <<192>>, Handler, Acc, Stack, Config);
+        2 -> incomplete(string, <<224>>, Handler, Acc, Stack, Config);
+        3 -> incomplete(string, <<240>>, Handler, Acc, Stack, Config)
+    end;
+%% not a continuation byte, insert a replacement character for sequence thus
+%%  far and dispatch back to string
+strip_continuations(<<Rest/binary>>, Handler, Acc, Stack, Config, _) ->
+    string(Rest, Handler, [Acc, <<16#fffd/utf8>>], Stack, Config).
+
+
+%% this all gets really gross and should probably eventually be folded into
+%%  but for now it fakes being part of string on incompletes and errors
+unescape(<<?rsolidus, Rest/binary>>, Handler, Acc, Stack, Config=#config{dirty_strings=true}) ->
+    string(<<?rsolidus, Rest/binary>>, Handler, [Acc, <<?rsolidus>>], Stack, Config);
+unescape(<<C, Rest/binary>>, Handler, Acc, Stack, Config=#config{dirty_strings=true}) ->
+    string(Rest, Handler, [Acc, <<?rsolidus, C>>], Stack, Config);
+unescape(<<$b, Rest/binary>>, Handler, Acc, Stack, Config) ->
+    string(Rest, Handler, [Acc, maybe_replace($\b, Config)], Stack, Config);
+unescape(<<$f, Rest/binary>>, Handler, Acc, Stack, Config) ->
+    string(Rest, Handler, [Acc, maybe_replace($\f, Config)], Stack, Config);
+unescape(<<$n, Rest/binary>>, Handler, Acc, Stack, Config) ->
+    string(Rest, Handler, [Acc, maybe_replace($\n, Config)], Stack, Config);
+unescape(<<$r, Rest/binary>>, Handler, Acc, Stack, Config) ->
+    string(Rest, Handler, [Acc, maybe_replace($\r, Config)], Stack, Config);
+unescape(<<$t, Rest/binary>>, Handler, Acc, Stack, Config) ->
+    string(Rest, Handler, [Acc, maybe_replace($\t, Config)], Stack, Config);
+unescape(<<?doublequote, Rest/binary>>, Handler, Acc, Stack, Config) ->
+    string(Rest, Handler, [Acc, maybe_replace($\", Config)], Stack, Config);
+unescape(<<?singlequote, Rest/binary>>, Handler, Acc, Stack, Config=#config{strict_single_quotes=false}) ->
+    string(Rest, Handler, [Acc, <<?singlequote>>], Stack, Config);
+unescape(<<?rsolidus, Rest/binary>>, Handler, Acc, Stack, Config) ->
+    string(Rest, Handler, [Acc, maybe_replace($\\, Config)], Stack, Config);
+unescape(<<?solidus, Rest/binary>>, Handler, Acc, Stack, Config) ->
+    string(Rest, Handler, [Acc, maybe_replace($/, Config)], Stack, Config);
+unescape(<<$u, F, A, B, C, ?rsolidus, $u, G, X, Y, Z, Rest/binary>>, Handler, Acc, Stack, Config)
+        when (A == $8 orelse A == $9 orelse A == $a orelse A == $b orelse A == $A orelse A == $B),
+            (X == $c orelse X == $d orelse X == $e orelse X == $f orelse X == $C orelse X == $D orelse X == $E orelse X == $F),
+            (F == $d orelse F == $D),
+            (G == $d orelse G == $D),
+            ?is_hex(B), ?is_hex(C), ?is_hex(Y), ?is_hex(Z)
+        ->
+    High = erlang:list_to_integer([$d, A, B, C], 16),
+    Low = erlang:list_to_integer([$d, X, Y, Z], 16),
+    Codepoint = (High - 16#d800) * 16#400 + (Low - 16#dc00) + 16#10000,
+    string(Rest, Handler, [Acc, <<Codepoint/utf8>>], Stack, Config);
+unescape(<<$u, F0, A, B, C, ?rsolidus, $u, W, X, Y, Z, Rest/binary>>, Handler, Acc, Stack, Config)
+        when (A == $8 orelse A == $9 orelse A == $a orelse A == $b orelse A == $A orelse A == $B),
+            (F0 == $d orelse F0 == $D),
+            ?is_hex(B), ?is_hex(C), ?is_hex(W), ?is_hex(X), ?is_hex(Y), ?is_hex(Z)
+        ->
+    case Config#config.strict_utf8 of
+        true -> ?error(string, <<$u, $d, A, B, C, ?rsolidus, $u, W, X, Y, Z, Rest/binary>>, Handler, Acc, Stack, Config);
+        false -> string(Rest, Handler, [Acc, <<16#fffd/utf8>>, <<16#fffd/utf8>>], Stack, Config)
+    end;
+unescape(<<$u, F, A, B, C, ?rsolidus, Rest/binary>>, Handler, Acc, Stack, Config)
+        when (A == $8 orelse A == $9 orelse A == $a orelse A == $b orelse A == $A orelse A == $B),
+            (F == $d orelse F == $D),
+            ?is_hex(B), ?is_hex(C)
+        ->
+    incomplete(string, <<?rsolidus, $u, $d, A, B, C, ?rsolidus, Rest/binary>>, Handler, Acc, Stack, Config);
+unescape(<<$u, F, A, B, C>>, Handler, Acc, Stack, Config)
+        when (A == $8 orelse A == $9 orelse A == $a orelse A == $b orelse A == $A orelse A == $B),
+            (F == $d orelse F == $D),
+            ?is_hex(B), ?is_hex(C)
+        ->
+    incomplete(string, <<?rsolidus, $u, $d, A, B, C>>, Handler, Acc, Stack, Config);
+unescape(<<$u, A, B, C, D, Rest/binary>>, Handler, Acc, Stack, Config)
+        when ?is_hex(A), ?is_hex(B), ?is_hex(C), ?is_hex(D) ->
+    case erlang:list_to_integer([A, B, C, D], 16) of
+        Codepoint when Codepoint < 16#d800; Codepoint > 16#dfff ->
+            string(Rest, Handler, [Acc, maybe_replace(Codepoint, Config)], Stack, Config);
+        _ when Config#config.strict_utf8 ->
+            ?error(string, <<?rsolidus, $u, A, B, C, D, Rest/binary>>, Handler, Acc, Stack, Config);
+        _ -> string(Rest, Handler, [Acc, <<16#fffd/utf8>>], Stack, Config)
+    end;
+unescape(Bin, Handler, Acc, Stack, Config) ->
+    case is_partial_escape(Bin) of
+        true -> incomplete(string, <<?rsolidus/utf8, Bin/binary>>, Handler, Acc, Stack, Config);
+        false -> case Config#config.strict_escapes of
+                true -> ?error(string, <<?rsolidus, Bin/binary>>, Handler, Acc, Stack, Config);
+                false -> string(Bin, Handler, [Acc, <<?rsolidus>>], Stack, Config)
+            end
+    end.
+
+
+is_partial_escape(<<$u, A, B, C>>) when ?is_hex(A), ?is_hex(B), ?is_hex(C) -> true;
+is_partial_escape(<<$u, A, B>>) when ?is_hex(A), ?is_hex(B) -> true;
+is_partial_escape(<<$u, A>>) when ?is_hex(A) -> true;
+is_partial_escape(<<$u>>) -> true;
+is_partial_escape(<<>>) -> true;
+is_partial_escape(_) -> false.
+
+
+maybe_replace(C, #config{dirty_strings=true}) -> <<C>>;
+maybe_replace($\b, #config{escaped_strings=true}) -> <<$\\, $b>>;
+maybe_replace($\t, #config{escaped_strings=true}) -> <<$\\, $t>>;
+maybe_replace($\n, #config{escaped_strings=true}) -> <<$\\, $n>>;
+maybe_replace($\f, #config{escaped_strings=true}) -> <<$\\, $f>>;
+maybe_replace($\r, #config{escaped_strings=true}) -> <<$\\, $r>>;
+maybe_replace($\", #config{escaped_strings=true}) -> <<$\\, $\">>;
+maybe_replace($/, Config=#config{escaped_strings=true}) ->
+    case Config#config.escaped_forward_slashes of
+        true -> <<$\\, $/>>
+        ; false -> <<$/>>
+    end;
+maybe_replace($\\, #config{escaped_strings=true}) -> <<$\\, $\\>>;
+maybe_replace(X, Config=#config{escaped_strings=true})  when X == 16#2028; X == 16#2029 ->
+    case Config#config.unescaped_jsonp of
+        true -> <<X/utf8>>
+        ; false -> json_escape_sequence(X)
+    end;
+maybe_replace(X, #config{escaped_strings=true}) when X < 32 ->
+    json_escape_sequence(X);
+maybe_replace(X, _Config) -> <<X/utf8>>.
+
+
+%% convert a codepoint to it's \uXXXX equiv.
+json_escape_sequence(X) when X < 65536 ->
+    <<A:4, B:4, C:4, D:4>> = <<X:16>>,
+    <<$\\, $u, (to_hex(A)), (to_hex(B)), (to_hex(C)), (to_hex(D))>>;
+json_escape_sequence(X) ->
+    Adjusted = X - 16#10000,
+    <<A:10, B:10>> = <<Adjusted:20>>,
+    [json_escape_sequence(A + 16#d800), json_escape_sequence(B + 16#dc00)].
+
+
+%% ascii "1" is [49], "2" is [50], etc...
+to_hex(10) -> $a;
+to_hex(11) -> $b;
+to_hex(12) -> $c;
+to_hex(13) -> $d;
+to_hex(14) -> $e;
+to_hex(15) -> $f;
+to_hex(X) -> X + 48.
+
+
+number(<<$e, Rest/binary>>, Handler, Acc, [integer|Stack], Config) ->
+    number(Rest, Handler, [Acc, $., $0, $e], [e|Stack], Config);
+number(<<$E, Rest/binary>>, Handler, Acc, [integer|Stack], Config) ->
+    number(Rest, Handler, [Acc, $., $0, $e], [e|Stack], Config);
+number(<<$e, Rest/binary>>, Handler, Acc, [zero|Stack], Config) ->
+    number(Rest, Handler, [Acc, $., $0, $e], [e|Stack], Config);
+number(<<$E, Rest/binary>>, Handler, Acc, [zero|Stack], Config) ->
+    number(Rest, Handler, [Acc, $., $0, $e], [e|Stack], Config);
+number(<<>>, Handler, Acc, [State|Stack], Config=#config{stream=false}) ->
+    NumType = case State of
+        zero -> integer;
+        integer -> integer;
+        decimal -> float;
+        exp -> float
+    end,
+    finish_number(<<>>, Handler, {NumType, iolist_to_binary(Acc)}, Stack, Config);
+number(<<>>, Handler, Acc, Stack, Config) ->
+    incomplete(number, <<>>, Handler, Acc, Stack, Config);
+number(Bin, Handler, Acc, [State|Stack], Config) ->
+    Counted = case State of
+        zero -> zero(Bin, 0);
+        integer -> integer(Bin, 0);
+        negative -> negative(Bin, 0);
+        initialdecimal -> initialdecimal(Bin, 0);
+        decimal -> decimal(Bin, 0);
+        e -> e(Bin, 0);
+        ex -> ex(Bin, 0);
+        exp -> exp(Bin, 0)
+    end,
+    case Counted of
+        {finish_integer, Size} ->
+            <<Clean:Size/binary, Rest/binary>> = Bin,
+            finish_number(Rest, Handler, {integer, iolist_to_binary([Acc, Clean])}, Stack, Config);
+        {finish_float, Size} ->
+            <<Clean:Size/binary, Rest/binary>> = Bin,
+            finish_number(Rest, Handler, {float, iolist_to_binary([Acc, Clean])}, Stack, Config);
+        {error, Size} ->
+            <<Clean:Size/binary, Rest/binary>> = Bin,
+            ?error(number, Rest, Handler, [Acc, Clean], Stack, Config);
+        {NewState, Size} ->
+            <<Clean:Size/binary, Rest/binary>> = Bin,
+            number(Rest, Handler, [Acc, Clean], [NewState|Stack], Config)
+    end.
+
+
+zero(<<?decimalpoint, Rest/binary>>, N) -> initialdecimal(Rest, N + 1);
+zero(<<$e, _/binary>>, N) -> {integer, N};
+zero(<<$E, _/binary>>, N) -> {integer, N};
+zero(<<>>, N) -> {zero, N};
+zero(_, N) -> {finish_integer, N}.
+
+
+integer(<<$0, Rest/binary>>, N) -> integer(Rest, N + 1);
+integer(<<$1, Rest/binary>>, N) -> integer(Rest, N + 1);
+integer(<<$2, Rest/binary>>, N) -> integer(Rest, N + 1);
+integer(<<$3, Rest/binary>>, N) -> integer(Rest, N + 1);
+integer(<<$4, Rest/binary>>, N) -> integer(Rest, N + 1);
+integer(<<$5, Rest/binary>>, N) -> integer(Rest, N + 1);
+integer(<<$6, Rest/binary>>, N) -> integer(Rest, N + 1);
+integer(<<$7, Rest/binary>>, N) -> integer(Rest, N + 1);
+integer(<<$8, Rest/binary>>, N) -> integer(Rest, N + 1);
+integer(<<$9, Rest/binary>>, N) -> integer(Rest, N + 1);
+integer(<<?decimalpoint, Rest/binary>>, N) -> initialdecimal(Rest, N + 1);
+integer(<<$e, _/binary>>, N) -> {integer, N};
+integer(<<$E, _/binary>>, N) -> {integer, N};
+integer(<<>>, N) -> {integer, N};
+integer(_, N) -> {finish_integer, N}.
+
+
+negative(<<$0, Rest/binary>>, N) -> zero(Rest, N + 1);
+negative(<<$1, Rest/binary>>, N) -> integer(Rest, N + 1);
+negative(<<$2, Rest/binary>>, N) -> integer(Rest, N + 1);
+negative(<<$3, Rest/binary>>, N) -> integer(Rest, N + 1);
+negative(<<$4, Rest/binary>>, N) -> integer(Rest, N + 1);
+negative(<<$5, Rest/binary>>, N) -> integer(Rest, N + 1);
+negative(<<$6, Rest/binary>>, N) -> integer(Rest, N + 1);
+negative(<<$7, Rest/binary>>, N) -> integer(Rest, N + 1);
+negative(<<$8, Rest/binary>>, N) -> integer(Rest, N + 1);
+negative(<<$9, Rest/binary>>, N) -> integer(Rest, N + 1);
+negative(<<>>, N) -> {negative, N};
+negative(_, N) -> {error, N}.
+
+
+initialdecimal(<<$0, Rest/binary>>, N) -> decimal(Rest, N + 1);
+initialdecimal(<<$1, Rest/binary>>, N) -> decimal(Rest, N + 1);
+initialdecimal(<<$2, Rest/binary>>, N) -> decimal(Rest, N + 1);
+initialdecimal(<<$3, Rest/binary>>, N) -> decimal(Rest, N + 1);
+initialdecimal(<<$4, Rest/binary>>, N) -> decimal(Rest, N + 1);
+initialdecimal(<<$5, Rest/binary>>, N) -> decimal(Rest, N + 1);
+initialdecimal(<<$6, Rest/binary>>, N) -> decimal(Rest, N + 1);
+initialdecimal(<<$7, Rest/binary>>, N) -> decimal(Rest, N + 1);
+initialdecimal(<<$8, Rest/binary>>, N) -> decimal(Rest, N + 1);
+initialdecimal(<<$9, Rest/binary>>, N) -> decimal(Rest, N + 1);
+initialdecimal(<<>>, N) -> {initialdecimal, N};
+initialdecimal(_, N) -> {error, N}.
+
+
+decimal(<<$0, Rest/binary>>, N) -> decimal(Rest, N + 1);
+decimal(<<$1, Rest/binary>>, N) -> decimal(Rest, N + 1);
+decimal(<<$2, Rest/binary>>, N) -> decimal(Rest, N + 1);
+decimal(<<$3, Rest/binary>>, N) -> decimal(Rest, N + 1);
+decimal(<<$4, Rest/binary>>, N) -> decimal(Rest, N + 1);
+decimal(<<$5, Rest/binary>>, N) -> decimal(Rest, N + 1);
+decimal(<<$6, Rest/binary>>, N) -> decimal(Rest, N + 1);
+decimal(<<$7, Rest/binary>>, N) -> decimal(Rest, N + 1);
+decimal(<<$8, Rest/binary>>, N) -> decimal(Rest, N + 1);
+decimal(<<$9, Rest/binary>>, N) -> decimal(Rest, N + 1);
+decimal(<<$e, Rest/binary>>, N) -> e(Rest, N + 1);
+decimal(<<$E, Rest/binary>>, N) -> e(Rest, N + 1);
+decimal(<<>>, N) -> {decimal, N};
+decimal(_, N) -> {finish_float, N}.
+
+
+e(<<$0, Rest/binary>>, N) -> exp(Rest, N + 1);
+e(<<$1, Rest/binary>>, N) -> exp(Rest, N + 1);
+e(<<$2, Rest/binary>>, N) -> exp(Rest, N + 1);
+e(<<$3, Rest/binary>>, N) -> exp(Rest, N + 1);
+e(<<$4, Rest/binary>>, N) -> exp(Rest, N + 1);
+e(<<$5, Rest/binary>>, N) -> exp(Rest, N + 1);
+e(<<$6, Rest/binary>>, N) -> exp(Rest, N + 1);
+e(<<$7, Rest/binary>>, N) -> exp(Rest, N + 1);
+e(<<$8, Rest/binary>>, N) -> exp(Rest, N + 1);
+e(<<$9, Rest/binary>>, N) -> exp(Rest, N + 1);
+e(<<?positive, Rest/binary>>, N) -> ex(Rest, N + 1);
+e(<<?negative, Rest/binary>>, N) -> ex(Rest, N + 1);
+e(<<>>, N) -> {e, N};
+e(_, N) -> {error, N}.
+
+
+ex(<<$0, Rest/binary>>, N) -> exp(Rest, N + 1);
+ex(<<$1, Rest/binary>>, N) -> exp(Rest, N + 1);
+ex(<<$2, Rest/binary>>, N) -> exp(Rest, N + 1);
+ex(<<$3, Rest/binary>>, N) -> exp(Rest, N + 1);
+ex(<<$4, Rest/binary>>, N) -> exp(Rest, N + 1);
+ex(<<$5, Rest/binary>>, N) -> exp(Rest, N + 1);
+ex(<<$6, Rest/binary>>, N) -> exp(Rest, N + 1);
+ex(<<$7, Rest/binary>>, N) -> exp(Rest, N + 1);
+ex(<<$8, Rest/binary>>, N) -> exp(Rest, N + 1);
+ex(<<$9, Rest/binary>>, N) -> exp(Rest, N + 1);
+ex(<<>>, N) -> {ex, N};
+ex(_, N) -> {error, N}.
+
+
+exp(<<$0, Rest/binary>>, N) -> exp(Rest, N + 1);
+exp(<<$1, Rest/binary>>, N) -> exp(Rest, N + 1);
+exp(<<$2, Rest/binary>>, N) -> exp(Rest, N + 1);
+exp(<<$3, Rest/binary>>, N) -> exp(Rest, N + 1);
+exp(<<$4, Rest/binary>>, N) -> exp(Rest, N + 1);
+exp(<<$5, Rest/binary>>, N) -> exp(Rest, N + 1);
+exp(<<$6, Rest/binary>>, N) -> exp(Rest, N + 1);
+exp(<<$7, Rest/binary>>, N) -> exp(Rest, N + 1);
+exp(<<$8, Rest/binary>>, N) -> exp(Rest, N + 1);
+exp(<<$9, Rest/binary>>, N) -> exp(Rest, N + 1);
+exp(<<>>, N) -> {exp, N};
+exp(_, N) -> {finish_float, N}.
+
+
+finish_number(Rest, Handler, Acc, Stack, Config) ->
+    maybe_done(Rest, handle_event(format_number(Acc), Handler, Config), Stack, Config).
+
+format_number({integer, Acc}) -> {integer, binary_to_integer(Acc)};
+format_number({float, Acc}) -> {float, binary_to_float(Acc)}.
+
+true(<<$r, $u, $e, Rest/binary>>, Handler, Stack, Config) ->
+    maybe_done(Rest, handle_event({literal, true}, Handler, Config), Stack, Config);
+true(<<$r, $u>>, Handler, Stack, Config) ->
+    incomplete(true, <<$r, $u>>, Handler, Stack, Config);
+true(<<$r>>, Handler, Stack, Config) ->
+    incomplete(true, <<$r>>, Handler, Stack, Config);
+true(<<>>, Handler, Stack, Config) ->
+    incomplete(true, <<>>, Handler, Stack, Config);
+true(Bin, Handler, Stack, Config) ->
+    ?error(true, Bin, Handler, Stack, Config).
+
+
+false(<<$a, $l, $s, $e, Rest/binary>>, Handler, Stack, Config) ->
+    maybe_done(Rest, handle_event({literal, false}, Handler, Config), Stack, Config);
+false(<<$a, $l, $s>>, Handler, Stack, Config) ->
+    incomplete(false, <<$a, $l, $s>>, Handler, Stack, Config);
+false(<<$a, $l>>, Handler, Stack, Config) ->
+    incomplete(false, <<$a, $l>>, Handler, Stack, Config);
+false(<<$a>>, Handler, Stack, Config) ->
+    incomplete(false, <<$a>>, Handler, Stack, Config);
+false(<<>>, Handler, Stack, Config) ->
+    incomplete(false, <<>>, Handler, Stack, Config);
+false(Bin, Handler, Stack, Config) ->
+    ?error(false, Bin, Handler, Stack, Config).
+
+
+null(<<$u, $l, $l, Rest/binary>>, Handler, Stack, Config) ->
+    maybe_done(Rest, handle_event({literal, null}, Handler, Config), Stack, Config);
+null(<<$u, $l>>, Handler, Stack, Config) ->
+    incomplete(null, <<$u, $l>>, Handler, Stack, Config);
+null(<<$u>>, Handler, Stack, Config) ->
+    incomplete(null, <<$u>>, Handler, Stack, Config);
+null(<<>>, Handler, Stack, Config) ->
+    incomplete(null, <<>>, Handler, Stack, Config);
+null(Bin, Handler, Stack, Config) ->
+    ?error(null, Bin, Handler, Stack, Config).
+
+
+comment(<<?newline, Rest/binary>>, Handler, Resume, [comment|Stack], Config) ->
+    resume(Rest, Resume, Handler, unused, Stack, Config);
+comment(<<?solidus, ?star, Rest/binary>>, Handler, Resume, Stack, Config) ->
+    comment(Rest, Handler, Resume, [multicomment|Stack], Config);
+comment(<<?solidus>>, Handler, Resume, [multicomment|_] = Stack, Config) ->
+    incomplete(comment, <<?solidus>>, Handler, Resume, Stack, Config);
+comment(<<?star, ?solidus, Rest/binary>>, Handler, Resume, [multicomment|Stack], Config) ->
+    case Stack of
+        [multicomment|_] -> comment(Rest, Handler, Resume, Stack, Config);
+        _ -> resume(Rest, Resume, Handler, unused, Stack, Config)
+    end;
+comment(<<?star>>, Handler, Resume, [multicomment|_] = Stack, Config) ->
+    incomplete(comment, <<?star>>, Handler, Resume, Stack, Config);
+comment(<<_/utf8, Rest/binary>>, Handler, Resume, Stack, Config) ->
+    comment(Rest, Handler, Resume, Stack, Config);
+comment(<<_, Rest/binary>>, Handler, Resume, Stack, Config=#config{strict_utf8=false}) ->
+    comment(Rest, Handler, Resume, Stack, Config);
+comment(<<>>, Handler, done, [Comment], Config=#config{stream=false})
+        when Comment == comment; Comment == multicomment ->
+    resume(<<>>, done, Handler, unused, [], Config);
+comment(<<>>, Handler, Resume, Stack, Config) ->
+    incomplete(comment, <<>>, Handler, Resume, Stack, Config);
+comment(Bin, Handler, Resume, Stack, Config) ->
+    ?error(comment, Bin, Handler, Resume, Stack, Config).
+
+
+maybe_done(<<Rest/binary>>, Handler, [], Config) ->
+    done(Rest, handle_event(end_json, Handler, Config), [], Config);
+maybe_done(<<?space, Rest/binary>>, Handler, Stack, Config) ->
+    maybe_done(Rest, Handler, Stack, Config);
+maybe_done(<<?end_object, Rest/binary>>, Handler, [object|Stack], Config) ->
+    maybe_done(Rest, handle_event(end_object, Handler, Config), Stack, Config);
+maybe_done(<<?end_array, Rest/binary>>, Handler, [array|Stack], Config) ->
+    maybe_done(Rest, handle_event(end_array, Handler, Config), Stack, Config);
+maybe_done(<<?comma, Rest/binary>>, Handler, [object|Stack], Config) ->
+    key(Rest, Handler, [key|Stack], Config);
+maybe_done(<<?comma, Rest/binary>>, Handler, [array|_] = Stack, Config) ->
+    value(Rest, Handler, Stack, Config);
+maybe_done(<<?newline, Rest/binary>>, Handler, Stack, Config) ->
+    maybe_done(Rest, Handler, Stack, Config);
+maybe_done(<<?tab, Rest/binary>>, Handler, Stack, Config) ->
+    maybe_done(Rest, Handler, Stack, Config);
+maybe_done(<<?cr, Rest/binary>>, Handler, Stack, Config) ->
+    maybe_done(Rest, Handler, Stack, Config);
+maybe_done(<<?solidus, Rest/binary>>, Handler, Stack, Config=#config{strict_comments=true}) ->
+    ?error(maybe_done, <<?solidus, Rest/binary>>, Handler, Stack, Config);
+maybe_done(<<?solidus, ?solidus, Rest/binary>>, Handler, Stack, Config) ->
+    comment(Rest, Handler, maybe_done, [comment|Stack], Config);
+maybe_done(<<?solidus, ?star, Rest/binary>>, Handler, Stack, Config) ->
+    comment(Rest, Handler, maybe_done, [multicomment|Stack], Config);
+maybe_done(<<?solidus>>, Handler, Stack, Config) ->
+    incomplete(maybe_done, <<?solidus>>, Handler, Stack, Config);
+maybe_done(<<>>, Handler, Stack, Config) when length(Stack) > 0 ->
+    incomplete(maybe_done, <<>>, Handler, Stack, Config);
+maybe_done(Bin, Handler, Stack, Config) ->
+    ?error(maybe_done, Bin, Handler, Stack, Config).
+
+
+done(<<?space, Rest/binary>>, Handler, [], Config) ->
+    done(Rest, Handler, [], Config);
+done(<<?newline, Rest/binary>>, Handler, [], Config) ->
+    done(Rest, Handler, [], Config);
+done(<<?tab, Rest/binary>>, Handler, [], Config) ->
+    done(Rest, Handler, [], Config);
+done(<<?cr, Rest/binary>>, Handler, [], Config) ->
+    done(Rest, Handler, [], Config);
+done(<<?solidus, Rest/binary>>, Handler, Stack, Config=#config{strict_comments=true}) ->
+    ?error(done, <<?solidus, Rest/binary>>, Handler, Stack, Config);
+done(<<?solidus, ?solidus, Rest/binary>>, Handler, Stack, Config) ->
+    comment(Rest, Handler, done, [comment|Stack], Config);
+done(<<?solidus, ?star, Rest/binary>>, Handler, Stack, Config) ->
+    comment(Rest, Handler, done, [multicomment|Stack], Config);
+done(<<?solidus>>, Handler, Stack, Config) ->
+    incomplete(done, <<?solidus>>, Handler, Stack, Config);
+done(Bin, {_Handler, State}, _Stack, #config{return_tail=true}) ->
+     {with_tail,State, Bin};
+done(<<>>, {Handler, State}, [], Config=#config{stream=true}) ->
+    incomplete(done, <<>>, {Handler, State}, [], Config);
+done(<<>>, {_Handler, State}, [], _Config) -> State;
+done(Bin, {Handler, State}, _Stack, Config=#config{multi_term=true}) ->
+     value(Bin, {Handler, Handler:reset(State)}, [], Config);
+done(Bin, Handler, Stack, Config) -> ?error(done, Bin, Handler, Stack, Config).
+
+
+
+-ifdef(TEST).
+-include_lib("eunit/include/eunit.hrl").
+
+
+json_to_bytes(JSON) -> json_to_bytes(JSON, []).
+
+json_to_bytes(<<>>, Acc) -> [<<>>] ++ lists:reverse(Acc);
+json_to_bytes(<<X, Rest/binary>>, Acc) -> json_to_bytes(Rest, [<<X>>] ++ Acc).
+
+
+decode(JSON) -> decode(JSON, []).
+decode(JSON, Config) -> (decoder(jsx, [], Config))(JSON).
+
+
+incremental_decode(JSON) -> incremental_decode(JSON, []).
+incremental_decode(JSON, Config) ->
+    Final = lists:foldl(
+        fun(Byte, Decoder) -> {incomplete, F} = Decoder(Byte), F end,
+        decoder(jsx, [], [stream] ++ Config),
+        json_to_bytes(JSON)
+    ),
+    Final(end_stream).
+
+
+%% all these numbers have different representation in erlang than in javascript and
+%%  do not roundtrip like most integers/floats
+special_number_test_() ->
+    Cases = [
+        % {title, test form, json, opt flags}
+        {"-0", [{integer, 0}, end_json], <<"-0">>},
+        {"-0.0", [{float, 0.0}, end_json], <<"-0.0">>},
+        {"0e0", [{float, 0.0}, end_json], <<"0e0">>},
+        {"0e4", [{float, 0.0}, end_json], <<"0e4">>},
+        {"1e0", [{float, 1.0}, end_json], <<"1e0">>},
+        {"-1e0", [{float, -1.0}, end_json], <<"-1e0">>},
+        {"-0e0", [{float, -0.0}, end_json], <<"-0e0">>},
+        {"1e4", [{float, 1.0e4}, end_json], <<"1e4">>},
+        {"number terminated by whitespace", 
+            [start_array, {integer, 1}, end_array, end_json],
+            <<"[ 1 ]">>
+        },
+        {"number terminated by comma",
+            [start_array, {integer, 1}, {integer, 1}, end_array, end_json],
+            <<"[ 1, 1 ]">>
+        },
+        {"number terminated by comma in object",
+            [start_object, {key, <<"x">>}, {integer, 1}, {key, <<"y">>}, {integer, 1}, end_object, end_json],
+            <<"{\"x\": 1, \"y\": 1}">>
+        }
+    ],
+    [{Title, ?_assertEqual(Events, decode(JSON))}
+        || {Title, Events, JSON} <- Cases
+    ] ++
+    [{Title ++ " (incremental)", ?_assertEqual(Events, incremental_decode(JSON))}
+        || {Title, Events, JSON} <- Cases
+    ]. 
+
+
+comments_test_() ->
+    Cases = [
+        % {title, test form, json, opt flags}
+        {"preceeding // comment",
+            [start_array, end_array, end_json],
+            <<"// comment ", ?newline, "[]">>
+        },
+        {"preceeding /**/ comment",
+            [start_array, end_array, end_json],
+            <<"/* comment */[]">>
+        },
+        {"trailing // comment",
+            [start_array, end_array, end_json],
+            <<"[]// comment", ?newline>>
+        },
+        {"trailing // comment (no newline)",
+            [start_array, end_array, end_json],
+            <<"[]// comment">>
+        },
+        {"trailing /**/ comment",
+            [start_array, end_array, end_json],
+            <<"[] /* comment */">>
+        },
+        {"// comment inside array",
+            [start_array, end_array, end_json],
+            <<"[ // comment", ?newline, "]">>
+        },
+        {"/**/ comment inside array",
+            [start_array, end_array, end_json],
+            <<"[ /* comment */ ]">>
+        },
+        {"// comment at beginning of array",
+            [start_array, {literal, true}, end_array, end_json],
+            <<"[ // comment", ?newline, "true", ?newline, "]">>
+        },
+        {"/**/ comment at beginning of array",
+            [start_array, {literal, true}, end_array, end_json],
+            <<"[ /* comment */ true ]">>
+        },
+        {"// comment at end of array",
+            [start_array, {literal, true}, end_array, end_json],
+            <<"[ true // comment", ?newline, "]">>
+        },
+        {"/**/ comment at end of array",
+            [start_array, {literal, true}, end_array, end_json],
+            <<"[ true /* comment */ ]">>
+        },
+        {"// comment midarray (post comma)",
+            [start_array, {literal, true}, {literal, false}, end_array, end_json],
+            <<"[ true, // comment", ?newline, "false ]">>
+        },
+        {"/**/ comment midarray (post comma)",
+            [start_array, {literal, true}, {literal, false}, end_array, end_json],
+            <<"[ true, /* comment */ false ]">>
+        },
+        {"// comment midarray (pre comma)",
+            [start_array, {literal, true}, {literal, false}, end_array, end_json],
+            <<"[ true// comment", ?newline, ", false ]">>
+        },
+        {"/**/ comment midarray (pre comma)",
+            [start_array, {literal, true}, {literal, false}, end_array, end_json],
+            <<"[ true/* comment */, false ]">>
+        },
+        {"// comment inside object",
+            [start_object, end_object, end_json],
+            <<"{ // comment", ?newline, "}">>
+        },
+        {"/**/ comment inside object",
+            [start_object, end_object, end_json],
+            <<"{ /* comment */ }">>
+        },
+        {"// comment at beginning of object",
+            [start_object, {key, <<"key">>}, {literal, true}, end_object, end_json],
+            <<"{ // comment", ?newline, " \"key\": true", ?newline, "}">>
+        },
+        {"/**/ comment at beginning of object",
+            [start_object, {key, <<"key">>}, {literal, true}, end_object, end_json],
+            <<"{ /* comment */ \"key\": true }">>
+        },
+        {"// comment at end of object",
+            [start_object, {key, <<"key">>}, {literal, true}, end_object, end_json],
+            <<"{ \"key\": true // comment", ?newline, "}">>
+        },
+        {"/**/ comment at end of object",
+            [start_object, {key, <<"key">>}, {literal, true}, end_object, end_json],
+            <<"{ \"key\": true /* comment */ }">>
+        },
+        {"// comment midobject (post comma)",
+            [
+                start_object,
+                {key, <<"x">>},
+                {literal, true},
+                {key, <<"y">>},
+                {literal, false},
+                end_object,
+                end_json
+            ],
+            <<"{ \"x\": true, // comment", ?newline, "\"y\": false }">>
+        },
+        {"/**/ comment midobject (post comma)",
+            [
+                start_object,
+                {key, <<"x">>},
+                {literal, true},
+                {key, <<"y">>},
+                {literal, false},
+                end_object,
+                end_json
+            ],
+            <<"{ \"x\": true, /* comment */", ?newline, "\"y\": false }">>
+        },
+        {"// comment midobject (pre comma)",
+            [
+                start_object,
+                {key, <<"x">>},
+                {literal, true},
+                {key, <<"y">>},
+                {literal, false},
+                end_object,
+                end_json
+            ],
+            <<"{ \"x\": true// comment", ?newline, ", \"y\": false }">>
+        },
+        {"/**/ comment midobject (pre comma)",
+            [
+                start_object,
+                {key, <<"x">>},
+                {literal, true},
+                {key, <<"y">>},
+                {literal, false},
+                end_object,
+                end_json
+            ],
+            <<"{ \"x\": true/* comment */", ?newline, ", \"y\": false }">>
+        },
+        {"// comment precolon",
+            [start_object, {key, <<"key">>}, {literal, true}, end_object, end_json],
+            <<"{ \"key\" // comment", ?newline, ": true }">>
+        },
+        {"/**/ comment precolon",
+            [start_object, {key, <<"key">>}, {literal, true}, end_object, end_json],
+            <<"{ \"key\"/* comment */: true }">>
+        },
+        {"// comment postcolon",
+            [start_object, {key, <<"key">>}, {literal, true}, end_object, end_json],
+            <<"{ \"key\": // comment", ?newline, " true }">>
+        },
+        {"/**/ comment postcolon",
+            [start_object, {key, <<"key">>}, {literal, true}, end_object, end_json],
+            <<"{ \"key\":/* comment */ true }">>
+        },
+        {"// comment terminating zero",
+            [start_array, {integer, 0}, end_array, end_json],
+            <<"[ 0// comment", ?newline, "]">>
+        },
+        {"// comment terminating integer",
+            [start_array, {integer, 1}, end_array, end_json],
+            <<"[ 1// comment", ?newline, "]">>
+        },
+        {"// comment terminating float",
+            [start_array, {float, 1.0}, end_array, end_json],
+            <<"[ 1.0// comment", ?newline, "]">>
+        },
+        {"// comment terminating exp",
+            [start_array, {float, 1.0e1}, end_array, end_json],
+            <<"[ 1e1// comment", ?newline, "]">>
+        },
+        {"/**/ comment terminating zero",
+            [start_array, {integer, 0}, end_array, end_json],
+            <<"[ 0/* comment */ ]">>
+        },
+        {"/**/ comment terminating integer",
+            [start_array, {integer, 1}, end_array, end_json],
+            <<"[ 1/* comment */ ]">>
+        },
+        {"/**/ comment terminating float",
+            [start_array, {float, 1.0}, end_array, end_json],
+            <<"[ 1.0/* comment */ ]">>
+        },
+        {"/**/ comment terminating exp",
+            [start_array, {float, 1.0e1}, end_array, end_json],
+            <<"[ 1e1/* comment */ ]">>
+        },
+        {"/**/ comment following /**/ comment",
+            [start_array, {literal, true}, end_array, end_json],
+            <<"[/* comment *//* comment */true]">>
+        },
+        {"/**/ comment following // comment",
+            [start_array, {literal, true}, end_array, end_json],
+            <<"[// comment", ?newline, "/* comment */true]">>
+        },
+        {"// comment following /**/ comment",
+            [start_array, {literal, true}, end_array, end_json],
+            <<"[/* comment */// comment", ?newline, "true]">>
+        },
+        {"// comment following // comment",
+            [start_array, {literal, true}, end_array, end_json],
+            <<"[// comment", ?newline, "// comment", ?newline, "true]">>
+        },
+        {"/**/ comment inside /**/ comment",
+            [start_array, {literal, true}, end_array, end_json],
+            <<"[ /* /* comment */ */ true ]">>
+        },
+        {"/**/ comment with /",
+            [start_array, {literal, true}, end_array, end_json],
+            <<"[ /* / */ true ]">>
+        },
+        {"/**/ comment with *",
+            [start_array, {literal, true}, end_array, end_json],
+            <<"[ /* * */ true ]">>
+        },
+        {"// comment with badutf",
+            [start_array, {literal, true}, end_array, end_json],
+            <<"[ // comment ", 16#00c0, " ", ?newline, "true]">>
+        },
+        {"/**/ comment with badutf",
+            [start_array, {literal, true}, end_array, end_json],
+            <<"[ /* comment ", 16#00c0, " */ true]">>
+        },
+        {"/**/ comment with badutf preceeded by /",
+            [start_array, {literal, true}, end_array, end_json],
+            <<"[ /* comment /", 16#00c0, " */ true]">>
+        }
+    ],
+    [{Title, ?_assertEqual(Events, decode(JSON))}
+        || {Title, Events, JSON} <- Cases
+    ] ++
+    [{Title ++ " (incremental)", ?_assertEqual(Events, incremental_decode(JSON))}
+        || {Title, Events, JSON} <- Cases
+    ] ++
+    % error when `{strict, [comments]}` is present
+    [{Title, ?_assertError(badarg, decode(JSON, [{strict, [comments]}]))}
+        || {Title, _Events, JSON} <- Cases
+    ] ++
+    [{Title ++ " (incremental)", ?_assertError(
+            badarg,
+            incremental_decode(JSON, [{strict, [comments]}])
+        )} || {Title, _Events, JSON} <- Cases
+    ].
+
+
+no_comments_test_() ->
+    Cases = [
+        {"// comment with badutf",
+            badarg,
+            <<"[ // comment ", 16#00c0, " ", ?newline, "true]">>,
+            [{strict, [utf8]}]
+        },
+        {"/**/ comment with badutf",
+            badarg,
+            <<"[ /* comment ", 16#00c0, " */ true]">>,
+            [{strict, [utf8]}]
+        },
+        {"/**/ comment with badutf preceeded by /",
+            badarg,
+            <<"[ /* comment /", 16#00c0, " */ true]">>,
+            [{strict, [utf8]}]
+        }
+    ],
+    [{Title, ?_assertError(Error, decode(JSON, Config))}
+        || {Title, Error, JSON, Config} <- Cases
+    ] ++
+    [{Title ++ " (incremental)", ?_assertError(Error, incremental_decode(JSON, Config))}
+        || {Title, Error, JSON, Config} <- Cases
+    ].
+
+
+% doing the full unicode range takes foreverrrrrrr so just do boundaries
+% excludes characters that may need escaping
+codepoints() ->
+    lists:seq(0, 32) ++
+        [32, 33] ++
+        lists:seq(35, 46) ++
+        lists:seq(48, 91) ++
+        lists:seq(93, 127) ++
+        [16#2027, 16#202a, 16#d7ff, 16#e000] ++
+        lists:seq(16#fdd0, 16#ffff) ++
+        [16#10000, 16#20000, 16#30000, 16#40000, 16#50000] ++
+        [16#60000, 16#70000, 16#80000, 16#90000, 16#a0000, 16#b0000] ++
+    [16#c0000, 16#d0000, 16#e0000, 16#f0000, 16#100000].
+
+
+surrogates() -> lists:seq(16#d800, 16#dfff).
+
+
+%% erlang refuses to decode certain codepoints, so fake them all
+to_fake_utf8(N) when N < 16#0080 -> <<34/utf8, N:8, 34/utf8>>;
+to_fake_utf8(N) when N < 16#0800 ->
+    <<0:5, Y:5, X:6>> = <<N:16>>,
+    <<34/utf8, 2#110:3, Y:5, 2#10:2, X:6, 34/utf8>>;
+to_fake_utf8(N) when N < 16#10000 ->
+    <<Z:4, Y:6, X:6>> = <<N:16>>,
+    <<34/utf8, 2#1110:4, Z:4, 2#10:2, Y:6, 2#10:2, X:6, 34/utf8>>;
+to_fake_utf8(N) ->
+    <<0:3, W:3, Z:6, Y:6, X:6>> = <<N:24>>,
+    <<34/utf8, 2#11110:5, W:3, 2#10:2, Z:6, 2#10:2, Y:6, 2#10:2, X:6, 34/utf8>>.
+
+
+clean_string_test_() ->
+    Clean = codepoints(),
+    Dirty = surrogates(),
+    % clean codepoints
+    [{"clean u+" ++ integer_to_list(Codepoint, 16), ?_assertEqual(
+            [{string, <<Codepoint/utf8>>}, end_json],
+            decode(<<34/utf8, Codepoint/utf8, 34/utf8>>)
+        )} || Codepoint <- Clean
+    ] ++
+    % bad codepoints replaced by u+FFFD
+    [{"clean u+" ++ integer_to_list(Codepoint, 16), ?_assertEqual(
+            [{string, <<16#fffd/utf8>>}, end_json],
+            decode(to_fake_utf8(Codepoint))
+        )} || Codepoint <- Dirty
+    ] ++
+    % bad codepoints that cause errors
+    [{"dirty u+" ++ integer_to_list(Codepoint, 16), ?_assertError(
+            badarg,
+            decode(to_fake_utf8(Codepoint), [{strict, [utf8]}])
+        )} || Codepoint <- Dirty
+    ].
+
+
+dirty_string_test_() ->
+    Cases = [
+        {"dirty \\n",
+            [start_array, {string, <<"\\n">>}, end_array, end_json],
+            <<"[\"\\n\"]">>,
+            [dirty_strings]
+        },
+        {"dirty \\uwxyz",
+            [start_array, {string, <<"\\uwxyz">>}, end_array, end_json],
+            <<"[\"\\uwxyz\"]">>,
+            [dirty_strings]
+        },
+        {"dirty \\x23",
+            [start_array, {string, <<"\\x23">>}, end_array, end_json],
+            <<"[\"\\x23\"]">>,
+            [dirty_strings]
+        },
+        {"dirty 0",
+            [start_array, {string, <<0>>}, end_array, end_json],
+            <<"[\"", 0, "\"]">>,
+            [dirty_strings]
+        },
+        {"dirty 0\\\"0",
+            [start_array, {string, <<0, ?rsolidus, ?doublequote, 0>>}, end_array, end_json],
+            <<"[\"", 0, ?rsolidus, ?doublequote, 0, "\"]">>,
+            [dirty_strings]
+        },
+        {"dirty 0\\\\\"0",
+            [start_array, {string, <<0, ?rsolidus, ?rsolidus, ?doublequote, 0>>}, end_array, end_json],
+            <<"[\"", 0, ?rsolidus, ?rsolidus, ?doublequote, 0, "\"]">>,
+            [dirty_strings]
+        },
+        {"dirty 16#d800",
+            [start_array, {string, <<237, 160, 128>>}, end_array, end_json],
+            <<"[\"", 237, 160, 128, "\"]">>,
+            [dirty_strings]
+        },
+        {"dirty /",
+            [start_array, {string, <<$/>>}, end_array, end_json],
+            <<"[\"", $/, "\"]">>,
+            [dirty_strings, escaped_forward_slashes]
+        },
+        {"dirty <<194, 129>>",
+            [start_array, {string, <<194, 129>>}, end_array, end_json],
+            <<"[\"", 194, 129, "\"]">>,
+            [dirty_strings]
+        }
+    ],
+    [{Title, ?_assertEqual(Events, decode(JSON, Config))}
+        || {Title, Events, JSON, Config} <- Cases
+    ] ++
+    % ensure `dirty_strings` and `strict` interact properly
+    [{Title, ?_assertEqual(Events, decode(JSON, Config ++ [strict]))}
+        || {Title, Events, JSON, Config} <- Cases
+    ] ++
+    [{Title ++ " (incremental)", ?_assertEqual(Events, incremental_decode(JSON, Config))}
+        || {Title, Events, JSON, Config} <- Cases
+    ].
+
+
+bad_utf8_test_() ->
+    Cases = [
+        {"orphan continuation byte u+0080", <<16#fffd/utf8>>, <<16#0080>>},
+        {"orphan continuation byte u+00bf", <<16#fffd/utf8>>, <<16#00bf>>},
+        {"2 continuation bytes",
+            binary:copy(<<16#fffd/utf8>>, 2),
+            <<(binary:copy(<<16#0080>>, 2))/binary>>
+        },
+        {"3 continuation bytes",
+            binary:copy(<<16#fffd/utf8>>, 3),
+            <<(binary:copy(<<16#0080>>, 3))/binary>>
+        },
+        {"4 continuation bytes",
+            binary:copy(<<16#fffd/utf8>>, 4),
+            <<(binary:copy(<<16#0080>>, 4))/binary>>
+        },
+        {"5 continuation bytes",
+            binary:copy(<<16#fffd/utf8>>, 5),
+            <<(binary:copy(<<16#0080>>, 5))/binary>>
+        },
+        {"6 continuation bytes",
+            binary:copy(<<16#fffd/utf8>>, 6),
+            <<(binary:copy(<<16#0080>>, 6))/binary>>
+        },
+        {"all continuation bytes",
+            binary:copy(<<16#fffd/utf8>>, length(lists:seq(16#0080, 16#00bf))),
+            <<(list_to_binary(lists:seq(16#0080, 16#00bf)))/binary>>
+        },
+        {"lonely start byte", <<16#fffd/utf8>>, <<16#00c0>>},
+        {"lonely start bytes (2 byte)",
+            <<16#fffd/utf8, 32, 16#fffd/utf8>>,
+            <<16#00c0, 32, 16#00df>>
+        },
+        {"lonely start bytes (3 byte)",
+            <<16#fffd/utf8, 32, 16#fffd/utf8>>,
+            <<16#00e0, 32, 16#00ef>>
+        },
+        {"lonely start bytes (4 byte)",
+            <<16#fffd/utf8, 32, 16#fffd/utf8>>,
+            <<16#00f0, 32, 16#00f7>>
+        },
+        {"missing continuation byte (3 byte)", <<16#fffd/utf8, 32>>, <<224, 160, 32>>},
+        {"missing continuation byte (4 byte missing one)",
+            <<16#fffd/utf8, 32>>,
+            <<240, 144, 128, 32>>
+        },
+        {"missing continuation byte (4 byte missing two)",
+            <<16#fffd/utf8, 32>>,
+            <<240, 144, 32>>
+        },
+        {"overlong encoding of u+002f (2 byte)",
+            <<16#fffd/utf8, 32>>,
+            <<16#c0, 16#af, 32>>
+        },
+        {"overlong encoding of u+002f (3 byte)",
+            <<16#fffd/utf8, 32>>,
+            <<16#e0, 16#80, 16#af, 32>>
+        },
+        {"overlong encoding of u+002f (4 byte)",
+            <<16#fffd/utf8, 32>>,
+            <<16#f0, 16#80, 16#80, 16#af, 32>>
+        },
+        {"highest overlong 2 byte sequence",
+            <<16#fffd/utf8, 32>>,
+            <<16#c1, 16#bf, 32>>
+        },
+        {"highest overlong 3 byte sequence",
+            <<16#fffd/utf8, 32>>,
+            <<16#e0, 16#9f, 16#bf, 32>>
+        },
+        {"highest overlong 4 byte sequence",
+            <<16#fffd/utf8, 32>>,
+            <<16#f0, 16#8f, 16#bf, 16#bf, 32>>
+        }
+    ],
+    [{Title, ?_assertError(
+            badarg,
+            decode(<<34, JSON/binary, 34>>, [{strict, [utf8]}])
+        )} || {Title, _, JSON} <- Cases
+    ] ++
+    [{Title ++ " (incremental)", ?_assertError(
+            badarg,
+            incremental_decode(<<34, JSON/binary, 34>>, [{strict, [utf8]}])
+        )} || {Title, _, JSON} <- Cases
+    ] ++
+    [{Title ++ " replaced", ?_assertEqual(
+            [{string, Replacement}, end_json],
+            decode(<<34, JSON/binary, 34>>)
+        )} || {Title, Replacement, JSON} <- Cases
+    ] ++
+    [{Title ++ " replaced (incremental)", ?_assertEqual(
+            [{string, Replacement}, end_json],
+            incremental_decode(<<34, JSON/binary, 34>>)
+        )} || {Title, Replacement, JSON} <- Cases
+    ].
+
+
+unescape_test_() ->
+    Cases = [
+        {"unescape backspace", <<"\b">>, <<"\\b"/utf8>>},
+        {"unescape tab", <<"\t">>, <<"\\t"/utf8>>},
+        {"unescape newline", <<"\n">>, <<"\\n"/utf8>>},
+        {"unescape formfeed", <<"\f">>, <<"\\f"/utf8>>},
+        {"unescape carriage return", <<"\r">>, <<"\\r"/utf8>>},
+        {"unescape quote", <<"\"">>, <<"\\\""/utf8>>},
+        {"unescape solidus", <<"/">>, <<"\\/"/utf8>>},
+        {"unescape reverse solidus", <<"\\">>, <<"\\\\"/utf8>>},
+        {"unescape control", <<0>>, <<"\\u0000"/utf8>>},
+        {"unescape surrogate pair", <<16#10000/utf8>>, <<"\\ud800\\udc00"/utf8>>},
+        {"unescape surrogate pair", <<16#10000/utf8>>, <<"\\uD800\\uDC00"/utf8>>},
+        {"replace bad high surrogate", <<16#fffd/utf8>>, <<"\\udc00"/utf8>>},
+        {"replace bad high surrogate", <<16#fffd/utf8>>, <<"\\uDC00"/utf8>>},
+        {"replace naked high surrogate",
+            <<16#fffd/utf8, "hello world">>,
+            <<"\\ud800hello world"/utf8>>
+        },
+        {"replace naked high surrogate",
+            <<16#fffd/utf8, "hello world">>,
+            <<"\\uD800hello world"/utf8>>
+        },
+        {"replace naked low surrogate",
+            <<16#fffd/utf8, "hello world">>,
+            <<"\\udc00hello world"/utf8>>
+        },
+        {"replace naked low surrogate",
+            <<16#fffd/utf8, "hello world">>,
+            <<"\\uDC00hello world"/utf8>>
+        },
+        {"replace bad surrogate pair", <<16#fffd/utf8, 16#fffd/utf8>>, <<"\\ud800\\u0000">>},
+        {"replace bad surrogate pair", <<16#fffd/utf8, 16#fffd/utf8>>, <<"\\uD800\\u0000">>}
+    ],
+    [{Title, ?_assertEqual([{string, Escaped}, end_json], decode(<<34, JSON/binary, 34>>))}
+        || {Title, Escaped, JSON} <- Cases
+    ] ++
+    [{Title ++ " (incremental)", ?_assertEqual(
+            [{string, Escaped}, end_json],
+            incremental_decode(<<34, JSON/binary, 34>>)
+        )} || {Title, Escaped, JSON} <- Cases
+    ].
+
+
+bad_escaped_surrogate_test_() ->
+    Cases = [
+        {"do not unescape bad high surrogate", <<"\\udc00">>},
+        {"do not unescape naked high surrogate", <<"\\ud800hello world">>},
+        {"do not unescape naked low surrogate", <<"\\udc00hello world">>},
+        {"do not unescape bad surrogate pair", <<"\\ud800\\u0000">>}
+    ],
+    [{Title, ?_assertError(badarg, decode(<<34, JSON/binary, 34>>, [{strict, [utf8]}]))}
+        || {Title, JSON} <- Cases
+    ].
+
+
+escape_test_() ->
+    Cases = [
+        {"backspace", <<"\b">>, <<"\\b">>},
+        {"tab", <<"\t">>, <<"\\t">>},
+        {"newline", <<"\n">>, <<"\\n">>},
+        {"formfeed", <<"\f">>, <<"\\f">>},
+        {"carriage return", <<"\r">>, <<"\\r">>},
+        {"quote", <<"\"">>, <<"\\\"">>},
+        {"backslash", <<"\\">>, <<"\\\\">>},
+        {"control", <<0>>, <<"\\u0000">>}
+    ],
+    [{"escape " ++ Title, ?_assertEqual(
+            [{string, Escaped}, end_json],
+            decode(<<34, Escaped/binary, 34>>, [escaped_strings])
+        )} || {Title, _Unescaped, Escaped} <- Cases
+    ] ++
+    [{"do not escape " ++ Title, ?_assertEqual(
+            [{string, Unescaped}, end_json],
+            decode(<<34, Escaped/binary, 34>>)
+        )} || {Title, Unescaped, Escaped} <- Cases
+    ].
+
+
+special_escape_test_() ->
+    Cases = [
+        {"escape forward slash", <<"\\/">>, <<"/"/utf8>>, [escaped_forward_slashes]},
+        {"do not escape forward slash", <<"/">>, <<"/"/utf8>>, []},
+        {"escape jsonp", <<"\\u2028">>, <<16#2028/utf8>>, []},
+        {"do not escape jsonp", <<16#2028/utf8>>, <<16#2028/utf8>>, [unescaped_jsonp]}
+    ],
+    [{Title, ?_assertEqual(
+            [{string, Expect}, end_json],
+            decode(<<34, Raw/binary, 34>>, [escaped_strings] ++ Config)
+        )} || {Title, Expect, Raw, Config} <- Cases
+    ].
+
+
+uescape_test_() ->
+    [
+        {"\"\\u0080\"", ?_assertEqual(
+            [{string, <<"\\u0080">>}, end_json],
+            decode(<<34, 128/utf8, 34>>, [uescape])
+        )},
+        {"\"\\u8ca8\\u5481\\u3002\\u0091\\u0091\"", ?_assertEqual(
+            [{string, <<"\\u8ca8\\u5481\\u3002\\u0091\\u0091">>}, end_json],
+            decode(
+                <<34,232,178,168,229,146,129,227,128,130,194,145,194,145,34>>,
+                [uescape]
+            )
+        )},
+        {"\"\\ud834\\udd1e\"", ?_assertEqual(
+            [{string, <<"\\ud834\\udd1e">>}, end_json],
+            decode(<<34, 240, 157, 132, 158, 34>>, [uescape])
+        )},
+        {"\"\\ud83d\\ude0a\"", ?_assertEqual(
+            [{string, <<"\\ud83d\\ude0a">>}, end_json],
+            decode(<<34, 240, 159, 152, 138, 34>>, [uescape])
+        )}
+    ].
+
+
+single_quoted_string_test_() ->
+    Cases = [
+        {"single quoted string", [{string, <<"hello world">>}, end_json], <<39, "hello world", 39>>},    
+        {"single quoted string with embedded double quotes",
+            [{string, <<"quoth the raven, \"nevermore\"">>}, end_json],
+            <<39, "quoth the raven, \"nevermore\"", 39>>
+        },
+        {"escaped single quote",
+            [{string, <<"quoth the raven, 'nevermore'">>}, end_json],
+            <<39, "quoth the raven, \\'nevermore\\'", 39>>
+        },
+        {"single quoted key",
+            [start_object,
+                {key, <<"key">>}, {string, <<"value">>},
+                {key, <<"another key">>}, {string, <<"another value">>},
+            end_object, end_json],
+            <<"{'key':'value','another key':'another value'}">>
+        }
+    ],
+    [{Title, ?_assertEqual(Expect, decode(Raw, []))} || {Title, Expect, Raw} <- Cases] ++
+    [{Title, ?_assertError(
+            badarg,
+            decode(Raw, [{strict, [single_quotes]}])
+        )} || {Title, _Expect, Raw} <- Cases
+    ].
+
+
+embedded_single_quoted_string_test_() ->
+    [
+        {"string with embedded single quotes", ?_assertEqual(
+            [{string, <<"quoth the raven, 'nevermore'">>}, end_json],
+            decode(<<34, "quoth the raven, 'nevermore'", 34>>, [])
+        )},
+        {"string with embedded single quotes", ?_assertEqual(
+            [{string, <<"quoth the raven, 'nevermore'">>}, end_json],
+            decode(<<34, "quoth the raven, 'nevermore'", 34>>, [{strict, [single_quotes]}])
+        )}
+    ].
+
+
+ignored_bad_escapes_test_() ->
+    [
+        {"ignore unrecognized escape sequence", ?_assertEqual(
+            [{string, <<"\\x25">>}, end_json],
+            decode(<<"\"\\x25\"">>, [])
+        )}
+    ].
+
+
+bom_test_() ->
+    [
+        {"bom", ?_assertEqual(
+            [start_array, end_array, end_json],
+            decode(<<16#ef, 16#bb, 16#bf, "[]"/utf8>>, [])
+        )}
+    ].
+
+
+trailing_comma_test_() ->
+    [
+        {"trailing comma in object", ?_assertEqual(
+            [start_object, {key, <<"key">>}, {literal, true}, end_object, end_json],
+            decode(<<"{\"key\": true,}">>, [])
+        )},
+        {"strict trailing comma in object", ?_assertError(
+            badarg,
+            decode(<<"{\"key\": true,}">>, [{strict, [trailing_commas]}])
+        )},
+        {"two trailing commas in object", ?_assertError(
+            badarg,
+            decode(<<"{\"key\": true,,}">>, [])
+        )},
+        {"comma in empty object", ?_assertError(
+            badarg,
+            decode(<<"{,}">>, [])
+        )},
+        {"trailing comma in list", ?_assertEqual(
+            [start_array, {literal, true}, end_array, end_json],
+            decode(<<"[true,]">>, [])
+        )},
+        {"strict trailing comma in list", ?_assertError(
+            badarg,
+            decode(<<"[true,]">>, [{strict, [trailing_commas]}])
+        )},
+        {"two trailing commas in list", ?_assertError(
+            badarg,
+            decode(<<"[true,,]">>, [])
+        )},
+        {"comma in empty list", ?_assertError(
+            badarg,
+            decode(<<"[,]">>, [])
+        )}
+    ].
+
+
+incomplete_test_() ->
+    [
+        {"stream false", ?_assertError(
+            badarg,
+            decode(<<"{">>)
+        )},
+        {"stream true", ?_assertMatch(
+            {incomplete, _},
+            decode(<<"{">>, [stream])
+        )},
+        {"complete input", ?_assertMatch(
+            {incomplete, _},
+            decode(<<"{}">>, [stream])
+        )}
+    ].
+
+
+error_test_() ->
+    Cases = [
+        {"maybe_bom error", <<16#ef, 0>>},
+        {"definitely_bom error", <<16#ef, 16#bb, 0>>},
+        {"object error", <<"{"/utf8, 0>>},
+        {"colon error", <<"{\"\""/utf8, 0>>},
+        {"key error", <<"{\"\":1,"/utf8, 0>>},
+        {"value error", <<0>>},
+        {"negative error", <<"-"/utf8, 0>>},
+        {"zero error", <<"0"/utf8, 0>>},
+        {"integer error", <<"1"/utf8, 0>>},
+        {"decimal error", <<"1.0"/utf8, 0>>},
+        {"e error", <<"1e"/utf8, 0>>},
+        {"ex error", <<"1e+"/utf8, 0>>},
+        {"exp error", <<"1e1"/utf8, 0>>},
+        {"exp error", <<"1.0e1"/utf8, 0>>},
+        {"exp error", <<"1.e"/utf8>>},
+        {"true error", <<"tru"/utf8, 0>>},
+        {"false error", <<"fals"/utf8, 0>>},
+        {"null error", <<"nul"/utf8, 0>>},
+        {"maybe_done error", <<"[[]"/utf8, 0>>},
+        {"done error", <<"[]"/utf8, 0>>}
+    ],
+    [{Title, ?_assertError(badarg, decode(State))} || {Title, State} <- Cases].
+
+
+custom_incomplete_handler_test_() ->
+    [
+        {"custom incomplete handler", ?_assertError(
+            incomplete,
+            decode(<<>>, [{incomplete_handler, fun(_, _, _) -> erlang:error(incomplete) end}, stream])
+        )}
+    ].
+
+
+return_tail_test_() ->
+    [
+        {"return_tail with tail", ?_assertEqual(
+            {with_tail,#{},<<"3">>},
+            jsx:decode(<<"{} 3">>, [return_tail])
+        )},
+        {"return_tail without tail", ?_assertEqual(
+            {with_tail,#{},<<"">>},
+            jsx:decode(<<"{}">>, [return_tail])
+        )},
+        {"return_tail with trimmed whitespace", ?_assertEqual(
+            {with_tail,#{},<<"">>},
+            jsx:decode(<<"{} ">>, [return_tail])
+        )},
+        {"return_tail and streaming", ?_assertEqual(
+            {with_tail,#{},<<"3">>},
+            begin
+                {incomplete, F} = jsx:decode(<<"{">>, [return_tail, stream]),
+                F(<<"} 3">>)
+            end
+        )},
+        {"return_tail and streaming", ?_assertEqual(
+            {with_tail,#{},<<"">>},
+            begin
+                %% In case of infinite stream of objects a user does not know
+                %% when to call F(end_stream).
+                %% So, return_tail overwrites conservative stream end.
+                %% This means that we don't need to call end_stream explicitly.
+                {incomplete, F} = jsx:decode(<<"{">>, [return_tail, stream]),
+                F(<<"}">>)
+            end
+        )}
+    ].
+
+-endif.