mirror of
https://github.com/processone/ejabberd.git
synced 2024-12-26 17:38:45 +01:00
523 lines
16 KiB
Erlang
523 lines
16 KiB
Erlang
%%%----------------------------------------------------------------------
|
|
%%% File : funrelg.erl
|
|
%%% Author : Badlop <badlop@process-one.net>
|
|
%%% Purpose : Function Relation Graph
|
|
%%% Created : 3 Apr 2007 by Badlop <badlop@process-one.net>
|
|
%%%
|
|
%%%
|
|
%%% ejabberd, Copyright (C) 2002-2009 ProcessOne
|
|
%%%
|
|
%%% This program is free software; you can redistribute it and/or
|
|
%%% modify it under the terms of the GNU General Public License as
|
|
%%% published by the Free Software Foundation; either version 2 of the
|
|
%%% License, or (at your option) any later version.
|
|
%%%
|
|
%%% This program is distributed in the hope that it will be useful,
|
|
%%% but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
%%% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
%%% General Public License for more details.
|
|
%%%
|
|
%%% You should have received a copy of the GNU General Public License
|
|
%%% along with this program; if not, write to the Free Software
|
|
%%% Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
|
%%% 02111-1307 USA
|
|
%%%
|
|
%%%----------------------------------------------------------------------
|
|
|
|
-module(funrelg).
|
|
|
|
-author('badlop@process-one.net').
|
|
|
|
-export([dir/1, file/1, g/0, g/1, gc/0, gc/1, d/0]).
|
|
|
|
-record(mfa, {mod, func, arity}).
|
|
-record(arcs, {id, from, to, occ}).
|
|
|
|
%% The functions that are not in export and don't call anybody are not drawn
|
|
%% The calls to this module that use Mod:Func are drawn as external calls
|
|
|
|
%%-----------------------------
|
|
%% Module handlers
|
|
%%-----------------------------
|
|
|
|
dir([SrcDir, OutDir]) ->
|
|
SrcDirAbs = filename:absname(SrcDir),
|
|
OutDirAbs = filename:absname(OutDir),
|
|
Files = get_files([SrcDirAbs]),
|
|
lists:foreach(
|
|
fun(F) ->
|
|
file(F, OutDirAbs)
|
|
end,
|
|
Files).
|
|
|
|
file([SrcDir, OutDir]) ->
|
|
SrcFilAbs = filename:absname(SrcDir),
|
|
OutDirAbs = filename:absname(OutDir),
|
|
file(SrcFilAbs, OutDirAbs).
|
|
|
|
file(SrcFile, OutDir) ->
|
|
case {filename:extension(SrcFile), filename:basename(SrcFile)} of
|
|
%% The file must by *.erl, and the first character must be a-z
|
|
{".erl", [FirstChar | _]} when (FirstChar >= 97) and (FirstChar =< 122) ->
|
|
make_file(SrcFile, OutDir),
|
|
d();
|
|
_ ->
|
|
ok
|
|
end.
|
|
|
|
get_files([]) ->
|
|
[];
|
|
get_files([FHead | FTail]) ->
|
|
case catch file:list_dir(FHead) of
|
|
{ok, Files} ->
|
|
FilesHead = [filename:join(FHead, FilesN) || FilesN <- Files],
|
|
get_files(FilesHead ++ FTail);
|
|
{error, enotdir} ->
|
|
[FHead] ++ get_files(FTail)
|
|
end.
|
|
|
|
make_file(File, OutDir) ->
|
|
FB = filename:basename(File),
|
|
FileDot = filename:join(OutDir, FB ++ ".dot"),
|
|
Text = gc(File),
|
|
{ok,FO}=file:open(FileDot,[write]),
|
|
try
|
|
io:fwrite(FO,"~s",[Text])
|
|
after
|
|
file:close(FO)
|
|
end,
|
|
FileSvg = filename:join(OutDir, filename:basename(File, ".erl") ++ ".svg"),
|
|
case os:cmd("dot -Tsvg " ++ FileDot ++ " -o " ++ FileSvg) of
|
|
"" -> ok;
|
|
ShellResult ->
|
|
io:format("Trying to run 'dot', we got this result:~n ~s~n"
|
|
"Remember that you need to have Graphviz 'dot' installed.~n", [ShellResult])
|
|
end,
|
|
ok.
|
|
|
|
%%====================================================================
|
|
%% Internal functions
|
|
%%====================================================================
|
|
|
|
g() ->
|
|
g("a.erl").
|
|
g(Filename) ->
|
|
gc(Filename),
|
|
halt().
|
|
|
|
gc() ->
|
|
gc("a.erl").
|
|
gc(Filename) ->
|
|
{ok, File} = epp_dodger:parse_file(Filename),
|
|
|
|
ets:new(arcs, [set, public, named_table, {keypos, 2}]),
|
|
ets:new(mfa_conversion, [set, public, named_table, {keypos, 1}]),
|
|
ets:new(counters, [set, public, named_table]),
|
|
ets:insert(counters, {arcs_id, 0}),
|
|
|
|
ModuleName = get_module_name(File),
|
|
Exports = lists:usort(get_exports(File)),
|
|
Functions = get_functions(File),
|
|
FunctionsParsed = lists:usort(parse_functions(Functions)), % side effects: stores on ets
|
|
Privates = FunctionsParsed -- Exports,
|
|
%%Externals = get_externals(),
|
|
|
|
MFAs = get_func_calls(),
|
|
|
|
AppModules1 = os:cmd("ls -1 ../doc/devdoc/*.html | tr \".\" \" \" | tr \"/\" \" \" | awk '{print $3}'"),
|
|
AppModules = [list_to_atom(Str) || Str <- string:tokens(AppModules1, [10])],
|
|
|
|
ExternalTypes1 = [mfa_to_externaltype(MFA, ModuleName, AppModules, FunctionsParsed) || MFA <- MFAs],
|
|
ExternalTypes = lists:usort(ExternalTypes1),
|
|
AppExternals = [Function || {Type, Function} <- ExternalTypes, Type == app],
|
|
ExmppExternals = [Function || {Type, Function} <- ExternalTypes, Type == exmpp],
|
|
OTPExternals = [Function || {Type, Function} <- ExternalTypes, Type == other],
|
|
|
|
textize(ModuleName, Exports, Privates, AppExternals, ExmppExternals, OTPExternals).
|
|
|
|
get_arcs_id() ->
|
|
ets:update_counter(counters, arcs_id, 1).
|
|
|
|
insert_arc_normal(FromFunc, FromArity, ToFunc, ToArity) ->
|
|
From = #mfa{mod = -1, func = FromFunc, arity = FromArity},
|
|
To = #mfa{mod = -1, func = ToFunc, arity = ToArity},
|
|
insert_arc(From, To).
|
|
|
|
insert_arc_external(FromFunc, FromArity, ToMod, ToFunc, ToArity) ->
|
|
From = #mfa{mod = -1, func = FromFunc, arity = FromArity},
|
|
To = #mfa{mod = ToMod, func = ToFunc, arity = ToArity},
|
|
insert_arc(From, To).
|
|
|
|
insert_arc(From, To) ->
|
|
Match = #arcs{
|
|
from = From,
|
|
to = To,
|
|
id='$1',
|
|
_='_'},
|
|
Select = [{Match, [], ['$1']}],
|
|
Ids = ets:select(arcs, Select),
|
|
case Ids of
|
|
[] ->
|
|
ets:insert(arcs,
|
|
#arcs{
|
|
id = get_arcs_id(),
|
|
from = From,
|
|
to = To,
|
|
occ = 1
|
|
}
|
|
);
|
|
[Id] ->
|
|
[Arc] = ets:lookup(arcs, Id),
|
|
Arc2 = Arc#arcs{occ = Arc#arcs.occ+1},
|
|
ets:insert(arcs, Arc2)
|
|
end.
|
|
|
|
read_arc(Id) ->
|
|
ets:lookup(arcs, Id).
|
|
|
|
d() ->
|
|
ets:delete(arcs),
|
|
ets:delete(mfa_conversion),
|
|
ets:delete(counters).
|
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
%% Get
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
|
get_module_name(File) ->
|
|
Attributes = get_elements(attribute, File),
|
|
get_attribute(module, Attributes).
|
|
|
|
get_exports(File) ->
|
|
Attributes = get_elements(attribute, File),
|
|
Exports = get_attribute(export, Attributes),
|
|
parse_export(Exports).
|
|
|
|
get_functions(File) ->
|
|
get_elements(function, File).
|
|
|
|
get_elements(Type, L) -> get_elements(Type, L, []).
|
|
get_elements(_, [], Res) -> Res;
|
|
get_elements(Type, [{tree, Type, _, A} | L], Res) ->
|
|
get_elements(Type, L, Res++[A]);
|
|
get_elements(Type, [_ | L], Res) ->
|
|
get_elements(Type, L, Res).
|
|
|
|
get_attribute(_, []) -> [];
|
|
get_attribute(Name, [{attribute, {tree, atom, _, Name}, [Al]} | As]) ->
|
|
case Name of
|
|
module ->
|
|
{tree, atom, _, Mn} = Al,
|
|
Mn;
|
|
export ->
|
|
{tree, list, _, {list, Exports, _}} = Al,
|
|
Exports++get_attribute(Name, As);
|
|
_ -> ok
|
|
end;
|
|
get_attribute(Name, [_ | As]) ->
|
|
get_attribute(Name, As).
|
|
|
|
parse_export(Ex) ->
|
|
lists:foldl(
|
|
fun(Aq, Res) ->
|
|
{tree, arity_qualifier, _, {arity_qualifier, Atom, Inte}} = Aq,
|
|
{tree, atom, _, An} = Atom,
|
|
{tree, integer, _, In} = Inte,
|
|
Res++[{An, In}]
|
|
end,
|
|
[],
|
|
Ex).
|
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
%% Parse
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
|
parse_functions(Functions) ->
|
|
lists:map(
|
|
fun(E) ->
|
|
{function, {_, _, _, Fn}, Clauses} = E,
|
|
Arity = get_function_arity(Clauses),
|
|
parse_clauses(Fn, Clauses),
|
|
{Fn, Arity}
|
|
end,
|
|
Functions).
|
|
|
|
parse_clauses(Fn, Clauses) ->
|
|
lists:foreach(
|
|
fun(E) ->
|
|
{tree, clause, L, C} = E,
|
|
{attr, _Ln, _, _} = L,
|
|
{clause, Parameters, _, Contents} = C,
|
|
Fa = length(Parameters),
|
|
parse_contents({Fn, Fa}, Contents)
|
|
end,
|
|
Clauses).
|
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
%% OLD
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
|
parse_contents(F, Contents) ->
|
|
{_, Res} = lists:foldl(
|
|
fun(C, {Fu, R}) ->
|
|
{Fu, R++parse_content(F, C)}
|
|
end,
|
|
{F, []},
|
|
Contents),
|
|
Res.
|
|
|
|
parse_content(F, {tree, application, L, A}) ->
|
|
{attr, _Ln, _, _} = L,
|
|
parse_application(F, A);
|
|
parse_content(F, {tree, list, _, {list, [L], Ls}}) ->
|
|
RL = parse_content(F, L),
|
|
RL++parse_content(F, Ls);
|
|
parse_content(F, {tree, tuple, _, T}) ->
|
|
parse_contents(F, T);
|
|
parse_content(F, {tree, match_expr, _, M}) ->
|
|
{match_expr, _, Value} = M,
|
|
parse_content(F, Value);
|
|
parse_content(F, {tree, try_expr, _, T}) ->
|
|
{try_expr, As, Bs, Cs, Ds} = T,
|
|
RAs = parse_contents(F, As),
|
|
RBs = parse_contents(F, Bs),
|
|
RDs = parse_contents(F, Ds),
|
|
RAs++RBs++RDs++parse_contents(F, Cs);
|
|
parse_content(F, {tree, block_expr, _, Ts}) ->
|
|
parse_contents(F, Ts);
|
|
parse_content(F, {tree, catch_expr, _, C}) ->
|
|
parse_content(F, C);
|
|
parse_content(F, {tree, case_expr, _, C}) ->
|
|
{case_expr, Case, Cases} = C,
|
|
R2 = parse_content(F, Case),
|
|
R2++parse_contents(F, Cases);
|
|
parse_content(F, {tree, if_expr, _, Cases}) ->
|
|
parse_contents(F, Cases);
|
|
parse_content(F, {tree, disjunction, _, Cases}) ->
|
|
parse_contents(F, Cases);
|
|
parse_content(F, {tree, conjunction, _, Cases}) ->
|
|
parse_contents(F, Cases);
|
|
parse_content(F, {tree, list_comp, _, L}) ->
|
|
{list_comp, A, Bs} = L,
|
|
RA = parse_content(F, A),
|
|
RA++parse_contents(F, Bs);
|
|
parse_content(F, {tree, generator, _, G}) ->
|
|
{generator, _, Gen} = G,
|
|
parse_content(F, Gen);
|
|
parse_content(F, {tree, clause, _, C}) ->
|
|
{clause, Clause, When, Second} = C,
|
|
R2 = parse_contents(F, Clause),
|
|
R3 = parse_content(F, When),
|
|
R2++R3++parse_contents(F, Second);
|
|
parse_content(F, {tree, fun_expr, _, E}) ->
|
|
parse_contents(F, E);
|
|
parse_content(F, {tree, record_expr, _, E}) ->
|
|
{record_expr, _, _, Records} = E,
|
|
parse_contents(F, Records);
|
|
parse_content(F, {tree, record_field, _, R}) ->
|
|
{record_field, F1, F2} = R,
|
|
R2 = parse_content(F, F1),
|
|
R2++parse_content(F, F2);
|
|
parse_content(F, {tree, receive_expr, _, E}) ->
|
|
{receive_expr, E1, _, _} = E,
|
|
parse_contents(F, E1);
|
|
parse_content(F, {tree, infix_expr, _, I}) ->
|
|
{infix_expr, _Operator, T1, T2} = I,
|
|
R = parse_content(F, T1),
|
|
R++parse_content(F, T2);
|
|
parse_content(_F, {tree, prefix_expr, _, _P}) ->
|
|
[];
|
|
parse_content(_F, {tree, class_qualifier, _, _}) -> [];
|
|
parse_content(_F, {tree, implicit_fun, _, _}) -> [];
|
|
parse_content(_F, {tree, record_access, _, _}) -> [];
|
|
parse_content(_F, {tree, record_index_expr, _, _}) -> [];
|
|
parse_content(_F, {tree, macro, _, _}) -> [];
|
|
parse_content(_F, {tree, binary, _, _}) -> [];
|
|
parse_content(_F, {tree, binary_generator, _, _}) -> [];
|
|
parse_content(_F, {tree, binary_comp, _, _}) -> [];
|
|
parse_content(_F, {integer, _, _I}) -> [];
|
|
parse_content(_F, {float, _, _I}) -> [];
|
|
parse_content(_F, {string, _, _S}) -> [];
|
|
parse_content(_F, {char, _, _S}) -> [];
|
|
parse_content(_F, {atom, _, _A}) -> [];
|
|
parse_content(_F, {var, _, _V}) -> [];
|
|
parse_content(_F, {nil, _}) -> [];
|
|
parse_content(_F, none) -> [];
|
|
parse_content(_F, C) -> io:format("Unknown content: ~p~n", [C]), [].
|
|
|
|
parse_application({Fn, Fa}, {application, {atom, _, Name}, Valores}) ->
|
|
Arity = length(Valores),
|
|
insert_arc_normal(Fn, Fa, Name, Arity),
|
|
Ra = [{arc_normal, Fn, Name}],
|
|
Ra++parse_contents({Fn, Fa}, Valores);
|
|
parse_application({Fn, Fa}, {application, {tree, module_qualifier, _, M}, Tree2}) ->
|
|
case M of
|
|
{module_qualifier, {_, _, Tf1}, {_, _, Tf2}} ->
|
|
ToArity = length(Tree2),
|
|
insert_arc_external(Fn, Fa, Tf1, Tf2, ToArity),
|
|
parse_contents({Fn, Fa}, Tree2);
|
|
_Other ->
|
|
%%io:format("Unknown application module_qualifier: ~p~n", [M]),
|
|
parse_contents({Fn, Fa}, Tree2)
|
|
end;
|
|
parse_application({Fn, Fa}, {application, {tree, record_access, _, _}, Tree2}) ->
|
|
parse_contents({Fn, Fa}, Tree2);
|
|
parse_application({Fn, Fa}, {application, {var, _, _}, Tree2}) ->
|
|
parse_contents({Fn, Fa}, Tree2);
|
|
parse_application({Fn, Fa}, {application, Other, Tree2}) ->
|
|
io:format("Unknown application tree: ~p~n", [Other]),
|
|
parse_contents({Fn, Fa}, Tree2).
|
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
%% Textize
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
|
textize(ModuleName, Exports, Privates, AppExternals, ExmppExternals, OTPExternals) ->
|
|
ExportsS = textize_exports(Exports),
|
|
PrivatesS = textize_exports(Privates),
|
|
AppExternalsS = textize_externals(AppExternals),
|
|
ExmppExternalsS = textize_externals(ExmppExternals),
|
|
OTPExternalsS = textize_externals(OTPExternals),
|
|
Arcs = textize_arcs(),
|
|
io_lib:format(
|
|
"digraph ~p {~n"++
|
|
" label = \"Module ~p\";~n"++
|
|
" labelloc = \"t\";~n"++
|
|
" fontname = Helvetica;~n"++
|
|
" rankdir = LR;~n"++
|
|
" ratio = fill;~n"++
|
|
%%" node [shape = box, style = filled, color = olivedrab1, fontsize=40];~s~n"++
|
|
%%" node [shape = parallelogram, style = filled, color = rosybrown1, fontsize=40];~s~n"++
|
|
%%" node [shape = ellipse, style = filled, color = slategray1, peripheries=3, fontsize=40];~n"++
|
|
" node [shape = box, color=darkgreen, fillcolor=Honeydew, style=filled, href=\"PRI~p.html#\\N\"];~s~n"++
|
|
" node [shape = box, color=darkgreen, fillcolor=PaleGreen, style=filled, href=\"EXP~p.html#\\N\"];~s~n"++
|
|
" node [shape = box, color=darkgreen, fillcolor=Aquamarine, style=filled, href=\"APP\\N\"];~s~n"++
|
|
" node [shape = box, color=darkblue, fillcolor=LightSkyBlue,style=filled, href=\"EXM\\N\"];~s~n"++
|
|
" node [shape = box, color=darkred, fillcolor=PeachPuff, style=filled, href=\"OTP\\N\"];~s~n"++
|
|
" node [shape = box];~n"++
|
|
"~s"++
|
|
"}~n",
|
|
[ModuleName, ModuleName,
|
|
ModuleName, PrivatesS,
|
|
ModuleName, ExportsS,
|
|
AppExternalsS,
|
|
ExmppExternalsS,
|
|
OTPExternalsS,
|
|
Arcs]).
|
|
|
|
textize_exports(Exports) ->
|
|
lists:foldl(
|
|
fun({Func, Arity}, R) ->
|
|
string:concat(R, io_lib:format(" \"~p/~p\";", [Func, Arity]))
|
|
end,
|
|
"",
|
|
Exports).
|
|
|
|
textize_externals(Externals) ->
|
|
lists:foldl(
|
|
fun({Mod, Func, Arity}, R) ->
|
|
string:concat(R, io_lib:format(" \"~p:~p/~p\";", [Mod, Func, Arity]));
|
|
({Func, Arity}, R) ->
|
|
string:concat(R, io_lib:format(" \"~p/~p\";", [Func, Arity]))
|
|
end,
|
|
"",
|
|
Externals).
|
|
|
|
textize_arcs() ->
|
|
Id = ets:first(arcs),
|
|
textize_arcs(Id, []).
|
|
|
|
textize_arcs('$end_of_table', Res) -> Res;
|
|
textize_arcs(Id, Res) ->
|
|
[Arc] = read_arc(Id),
|
|
From = mfa_prepare(Arc#arcs.from),
|
|
To = mfa_prepare(Arc#arcs.to),
|
|
Edge_attrs = check_loop(From, To)++check_occu(Arc#arcs.occ)++check_external(Arc#arcs.to),
|
|
Res2 = io_lib:format(" ~s -> ~s~s;~n", [From, To, Edge_attrs]),
|
|
Id_next = ets:next(arcs, Id),
|
|
textize_arcs(Id_next, string:concat(Res2, Res)).
|
|
|
|
get_func_calls() ->
|
|
Id = ets:first(arcs),
|
|
get_func_calls(Id, []).
|
|
|
|
get_func_calls('$end_of_table', Res) -> Res;
|
|
get_func_calls(Id, Res) ->
|
|
[Arc] = read_arc(Id),
|
|
MFA = Arc#arcs.to,
|
|
Call = MFA,
|
|
Id_next = ets:next(arcs, Id),
|
|
get_func_calls(Id_next, [Call | Res]).
|
|
|
|
mfa_prepare(MFAinitial) ->
|
|
MFA = try_mfa_conversion(MFAinitial),
|
|
Mod = case MFA#mfa.mod of
|
|
-1 -> "\"";
|
|
M -> io_lib:format("\"~p:", [M])
|
|
end,
|
|
Func = io_lib:format("~p", [MFA#mfa.func]),
|
|
Arity = case MFA#mfa.arity of
|
|
-1 -> "\"";
|
|
A -> io_lib:format("/~p\"", [A])
|
|
end,
|
|
string:concat(Mod, string:concat(Func, Arity)).
|
|
|
|
%% noexternal | app | exmpp | other
|
|
mfa_to_externaltype(MFA, ModuleName, AppModules, Functions) ->
|
|
case MFA of
|
|
{mfa, -1, Fu, Ar} ->
|
|
case {is_internal, lists:member({Fu, Ar}, Functions)} of
|
|
{is_internal, true} ->
|
|
{noexternal, {Fu, Ar}};
|
|
{is_internal, false} ->
|
|
store_mfa_conversion(MFA, {mfa, -1, Fu, Ar}),
|
|
{other, {Fu, Ar}}
|
|
end;
|
|
{mfa, Mo, Fu, Ar} when Mo == ModuleName ->
|
|
store_mfa_conversion(MFA, {mfa, -1, Fu, Ar}),
|
|
{noexternal, {Fu, Ar}};
|
|
{mfa, Mo, Fu, Ar} ->
|
|
Type = case {is_app, lists:member(Mo, AppModules)} of
|
|
{is_app, true} -> app;
|
|
{is_app, false} ->
|
|
case string:str(atom_to_list(Mo), "exmpp") of
|
|
0 -> other;
|
|
N when is_integer(N) -> exmpp
|
|
end
|
|
end,
|
|
{Type, {Mo, Fu, Ar}}
|
|
end.
|
|
|
|
get_function_arity([{tree, clause, _, {clause, Vars, _, _}} | _]) ->
|
|
length(Vars);
|
|
get_function_arity(E) ->
|
|
io:format("Unknown function arity: ~p~n", [E]).
|
|
|
|
store_mfa_conversion(MFA1, MFA2) ->
|
|
ets:insert(mfa_conversion, {MFA1, MFA2}).
|
|
|
|
try_mfa_conversion(MFA) ->
|
|
case ets:lookup(mfa_conversion, MFA) of
|
|
[{MFA,MFA2}] ->
|
|
MFA2;
|
|
[] ->
|
|
MFA
|
|
end.
|
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
%% Utils
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
|
%%check_loop(I, I) -> " [color = sandybrown]";
|
|
check_loop(I, I) -> "";
|
|
check_loop(_, _) -> "".
|
|
|
|
check_occu(1) -> "";
|
|
check_occu(Occ) -> io_lib:format(" [label=\"~p\"]", [Occ]).
|
|
|
|
check_external(To) ->
|
|
case To#mfa.mod of
|
|
-1 -> " [style = bold]";
|
|
_ -> ""
|
|
end.
|