From 9437d8d73b31dd25504c3d652f0ad77ccd1239a3 Mon Sep 17 00:00:00 2001
From: Sverker Eriksson <sverker@erlang.org>
Date: Tue, 18 Apr 2017 19:28:06 +0200
Subject: tools: Fix more assumptions in lcnt about external format
Also tried to prepare for large creation.
---
lib/tools/src/lcnt.erl | 39 ++++++++++++++++++++++++++++++++-------
1 file changed, 32 insertions(+), 7 deletions(-)
diff --git a/lib/tools/src/lcnt.erl b/lib/tools/src/lcnt.erl
index 22db947e7a..864d62f6c5 100644
--- a/lib/tools/src/lcnt.erl
+++ b/lib/tools/src/lcnt.erl
@@ -698,19 +698,47 @@ stats2record([{{File,Line},{Tries,Colls,{S,Ns,N}}}|Stats]) ->
nt = N} | stats2record(Stats)];
stats2record([]) -> [].
+
clean_id_creation(Id) when is_pid(Id) ->
Bin = term_to_binary(Id),
- <<H:3/binary, L:16, Node:L/binary, Ids:8/binary, _Creation/binary>> = Bin,
- Bin2 = list_to_binary([H, bytes16(L), Node, Ids, 0]),
+ <<H:3/binary, Rest/binary>> = Bin,
+ <<131, PidTag, AtomTag>> = H,
+ LL = atomlen_bits(AtomTag),
+ CL = creation_bits(PidTag),
+ <<L:LL, Node:L/binary, Ids:8/binary, _Creation/binary>> = Rest,
+ Bin2 = list_to_binary([H, <<L:LL>>, Node, Ids, <<0:CL>>]),
binary_to_term(Bin2);
clean_id_creation(Id) when is_port(Id) ->
Bin = term_to_binary(Id),
- <<H:3/binary, L:16, Node:L/binary, Ids:4/binary, _Creation/binary>> = Bin,
- Bin2 = list_to_binary([H, bytes16(L), Node, Ids, 0]),
+ <<H:3/binary, Rest/binary>> = Bin,
+ <<131, PortTag, AtomTag>> = H,
+ LL = atomlen_bits(AtomTag),
+ CL = creation_bits(PortTag),
+ <<L:LL, Node:L/binary, Ids:4/binary, _Creation/binary>> = Rest,
+ Bin2 = list_to_binary([H, <<L:LL>>, Node, Ids, <<0:CL>>]),
binary_to_term(Bin2);
clean_id_creation(Id) ->
Id.
+-define(PID_EXT, $g).
+-define(NEW_PID_EXT, $X).
+-define(PORT_EXT, $f).
+-define(NEW_PORT_EXT, $Y).
+-define(ATOM_EXT, $d).
+-define(SMALL_ATOM_EXT, $s).
+-define(ATOM_UTF8_EXT, $v).
+-define(SMALL_ATOM_UTF8_EXT, $w).
+
+atomlen_bits(?ATOM_EXT) -> 16;
+atomlen_bits(?SMALL_ATOM_EXT) -> 8;
+atomlen_bits(?ATOM_UTF8_EXT) -> 16;
+atomlen_bits(?SMALL_ATOM_UTF8_EXT) -> 8.
+
+creation_bits(?PID_EXT) -> 8;
+creation_bits(?NEW_PID_EXT) -> 32;
+creation_bits(?PORT_EXT) -> 8;
+creation_bits(?NEW_PORT_EXT) -> 32.
+
%% serializer
state_default(Field) -> proplists:get_value(Field, state2list(#state{})).
@@ -932,9 +960,6 @@ strings([{space, N, S} | Ss], Out) -> strings(Ss, Out ++ term2string(term2
strings([{left, N, S} | Ss], Out) -> strings(Ss, Out ++ term2string(term2string(" ~~s~~~ws", [N]), [S,""]));
strings([S|Ss], Out) -> strings(Ss, Out ++ term2string("~ts", [S])).
--define(SMALL_ATOM_UTF8_EXT, $w).
--define(ATOM_UTF8_EXT, $v).
--define(ATOM_EXT, $d).
term2string({M,F,A}) when is_atom(M), is_atom(F), is_integer(A) -> term2string("~p:~p/~p", [M,F,A]);
term2string(Term) when is_port(Term) ->
--
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