dbg tracing

(zotonic001@precise32)1> dbg:tracer().
{ok,<0.453.0>}
(zotonic001@precise32)2> dbg:p(all, call).
{ok,[{matched,zotonic001@precise32,197}]}
(zotonic001@precise32)3> dbg:tpl(erlydtl_compiler, check_parse, []).
{ok,[{matched,zotonic001@precise32,1}]}
(zotonic001@precise32)4> dbg:tpl(erlydtl_compiler, call_extension, []).
{ok,[{matched,zotonic001@precise32,1}]}
(zotonic001@precise32)5> ztl:compile(<<"{% loremipsum words=2 dummy=#test %}">>, foo, [{extension_module, ztl_extensions}, {compiler_options, [debug_compiler]}], z:c(testsandbox)).
(<0.47.0>) call erlydtl_compiler:call_extension({dtl_context,[],
             {dict,0,16,16,8,80,48,
                   {[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[]},
                   {{[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[]}}},
             none,[],off,".",
             [[]],
             [],
             [erlydtl_filters],
             "/vagrant/zotonic/deps/erlydtl/priv/custom_tags",[],
             {file,read_file},
             foo,
             [debug_compiler],
             true,false,none,false,false,ztl_extensions,[]},init_context,[{dtl_context,[],
              {dict,0,16,16,8,80,48,
                    {[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[]},
                    {{[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[]}}},
              none,[],off,".",
              [[]],
              [],
              [erlydtl_filters],
              "/vagrant/zotonic/deps/erlydtl/priv/custom_tags",[],
              {file,read_file},
              foo,
              [debug_compiler],
              true,false,none,false,false,ztl_extensions,[]}])
(<0.47.0>) call erlydtl_compiler:call_extension({dtl_context,[[{'$autoid',{tree,variable,{attr,0,[],none},'AutoId_feybtg'}}]],
             {dict,0,16,16,8,80,48,
                   {[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[]},
                   {{[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[]}}},
             none,[],off,".",
             [[]],
             [],
             [erlydtl_filters],
             "/vagrant/zotonic/deps/erlydtl/priv/custom_tags",[],
             {file,read_file},
             foo,
             [debug_compiler],
             true,false,none,false,false,ztl_extensions,[]},scan,[{scanner_state,"#test %}",
                [{'=',{1,28}},
                 {identifier,{1,23},"ymmud"},
                 {number_literal,{1,21},"2"},
                 {'=',{1,20}},
                 {identifier,{1,15},"sdrow"},
                 {identifier,{1,4},"muspimerol"},
                 {open_tag,{1,1},'{%'}],
                {1,29},
                {in_code,"%}"}}])
(<0.47.0>) call erlydtl_compiler:call_extension({dtl_context,[[{'$autoid',{tree,variable,{attr,0,[],none},'AutoId_feybtg'}}]],
             {dict,0,16,16,8,80,48,
                   {[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[]},
                   {{[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[]}}},
             none,[],off,".",
             [[]],
             [],
             [erlydtl_filters],
             "/vagrant/zotonic/deps/erlydtl/priv/custom_tags",[],
             {file,read_file},
             foo,
             [debug_compiler],
             true,false,none,false,false,ztl_extensions,[]},post_scan,[[{open_tag,{1,1},'{%'},
  {identifier,{1,4},loremipsum},
  {identifier,{1,15},words},
  {'=',{1,20}},
  {number_literal,{1,21},"2"},
  {identifier,{1,23},dummy},
  {'=',{1,28}},
  {hash,{1,29},"#"},
  {identifier,{1,30},test},
  {close_tag,{1,35},'%}'}]])
(<0.47.0>) call erlydtl_compiler:check_parse({error,{{1,29},erlydtl_parser,["syntax error before: ",["\"#\""]]},
       [[{'=',{1,28}},
         {hash,{1,29},"#"},
         {identifier,{1,30},test},
         {close_tag,{1,35},'%}'}],
        {no_func,no_line},
        87,
        [182,71,39,1,0],
        [{identifier,{1,23},dummy},
         [{{identifier,{1,15},words},{number_literal,{1,21},"2"}}],
         {identifier,{1,4},loremipsum},
         {open_tag,{1,1},'{%'},
         []]]},[],{dtl_context,[[{'$autoid',{tree,variable,{attr,0,[],none},'AutoId_feybtg'}}]],
             {dict,0,16,16,8,80,48,
                   {[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[]},
                   {{[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[]}}},
             none,[],off,".",
             [[]],
             [],
             [erlydtl_filters],
             "/vagrant/zotonic/deps/erlydtl/priv/custom_tags",[],
             {file,read_file},
             foo,
             [debug_compiler],
             true,false,none,false,false,ztl_extensions,
             [{open_tag,{1,1},'{%'},
              {identifier,{1,4},loremipsum},
              {identifier,{1,15},words},
              {'=',{1,20}},
              {number_literal,{1,21},"2"},
              {identifier,{1,23},dummy},
              {'=',{1,28}},
              {hash,{1,29},"#"},
              {identifier,{1,30},test},
              {close_tag,{1,35},'%}'}]})
(<0.47.0>) call erlydtl_compiler:call_extension({dtl_context,[[{'$autoid',{tree,variable,{attr,0,[],none},'AutoId_feybtg'}}]],
             {dict,0,16,16,8,80,48,
                   {[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[]},
                   {{[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[]}}},
             none,[],off,".",
             [[]],
             [],
             [erlydtl_filters],
             "/vagrant/zotonic/deps/erlydtl/priv/custom_tags",[],
             {file,read_file},
             foo,
             [debug_compiler],
             true,false,none,false,false,ztl_extensions,
             [{open_tag,{1,1},'{%'},
              {identifier,{1,4},loremipsum},
              {identifier,{1,15},words},
              {'=',{1,20}},
              {number_literal,{1,21},"2"},
              {identifier,{1,23},dummy},
              {'=',{1,28}},
              {hash,{1,29},"#"},
              {identifier,{1,30},test},
              {close_tag,{1,35},'%}'}]},parse,[[[{open_tag,{1,1},'{%'},
   {identifier,{1,4},loremipsum},
   {identifier,{1,15},words},
   {'=',{1,20}},
   {number_literal,{1,21},"2"},
   {identifier,{1,23},dummy},
   {'=',{1,28}},
   {hash,{1,29},"#"},
   {identifier,{1,30},test},
   {close_tag,{1,35},'%}'}],
  {no_func,no_line},
  0,[],[]]])
(<0.47.0>) call erlydtl_compiler:call_extension({dtl_context,[[{'$autoid',{tree,variable,{attr,0,[],none},'AutoId_feybtg'}}]],
             {dict,0,16,16,8,80,48,
                   {[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[]},
                   {{[],[],[],[],[],[],[],[],[],[],[],[],[],[],[],[]}}},
             none,[],off,".",
             [[]],
             [],
             [erlydtl_filters],
             "/vagrant/zotonic/deps/erlydtl/priv/custom_tags",[],
             {file,read_file},
             foo,
             [debug_compiler],
             true,false,none,false,false,ztl_extensions,[]},init_treewalker,[{treewalker,0,false,undefined}])
** exception error: no case clause matching {tag,{identifier,{1,4},loremipsum},
                                                 [{{identifier,{1,15},words},{number_literal,{1,21},"2"}},
                                                  {{identifier,{1,23},dummy},
                                                   {extension,{auto_id,{identifier,{1,30},test}}}}],
                                                 false}
     in function  erlydtl_compiler:value_ast/5
     in call from erlydtl_compiler:'-body_ast/3-fun-2-'/3
     in call from lists:mapfoldl/3
     in call from erlydtl_compiler:body_ast/3
     in call from erlydtl_compiler:compile_to_binary/4
     in call from erlydtl_compiler:compile/3
(zotonic001@precise32)6>