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-rw-r--r--erts/doc/src/erlang.xml20
-rw-r--r--erts/preloaded/ebin/erlang.beambin105884 -> 105940 bytes
-rw-r--r--erts/preloaded/ebin/erts_internal.beambin10872 -> 10896 bytes
-rw-r--r--erts/preloaded/src/erlang.erl3
-rw-r--r--erts/preloaded/src/erts_internal.erl3
5 files changed, 24 insertions, 2 deletions
diff --git a/erts/doc/src/erlang.xml b/erts/doc/src/erlang.xml
index 3d1775e973..4d12daa61a 100644
--- a/erts/doc/src/erlang.xml
+++ b/erts/doc/src/erlang.xml
@@ -9564,6 +9564,10 @@ timestamp() ->
<type name="trace_info_item_result"/>
<type name="trace_info_flag"/>
<type name="trace_match_spec"/>
+ <type name="match_variable"/>
+ <type_desc name="match_variable">
+ Approximation of '$1' | '$2' | '$3' | ...
+ </type_desc>
<desc>
<p>Returns trace information about a port, process, function, or
event.</p>
@@ -9695,6 +9699,10 @@ timestamp() ->
</fsummary>
<type name="trace_pattern_mfa"/>
<type name="trace_match_spec"/>
+ <type_desc name="match_variable">
+ Approximation of '$1' | '$2' | '$3' | ...
+ </type_desc>
+ <type name="match_variable"/>
<desc>
<p>The same as
<seealso marker="#trace_pattern/3">
@@ -9707,6 +9715,10 @@ timestamp() ->
<name name="trace_pattern" arity="3" clause_i="1"/>
<fsummary>Set trace pattern for message sending.</fsummary>
<type name="trace_match_spec"/>
+ <type name="match_variable"/>
+ <type_desc name="match_variable">
+ Approximation of '$1' | '$2' | '$3' | ...
+ </type_desc>
<desc>
<p>Sets trace pattern for <em>message sending</em>.
Must be combined with
@@ -9774,6 +9786,10 @@ timestamp() ->
<name name="trace_pattern" arity="3" clause_i="2"/>
<fsummary>Set trace pattern for tracing of message receiving.</fsummary>
<type name="trace_match_spec"/>
+ <type name="match_variable"/>
+ <type_desc name="match_variable">
+ Approximation of '$1' | '$2' | '$3' | ...
+ </type_desc>
<desc>
<p>Sets trace pattern for <em>message receiving</em>.
Must be combined with
@@ -9844,6 +9860,10 @@ timestamp() ->
<type name="trace_pattern_mfa"/>
<type name="trace_match_spec"/>
<type name="trace_pattern_flag"/>
+ <type name="match_variable"/>
+ <type_desc name="match_variable">
+ Approximation of '$1' | '$2' | '$3' | ...
+ </type_desc>
<desc>
<p>Enables or disables <em>call tracing</em> for one or more functions.
Must be combined with
diff --git a/erts/preloaded/ebin/erlang.beam b/erts/preloaded/ebin/erlang.beam
index fa5960dffd..6159228bff 100644
--- a/erts/preloaded/ebin/erlang.beam
+++ b/erts/preloaded/ebin/erlang.beam
Binary files differ
diff --git a/erts/preloaded/ebin/erts_internal.beam b/erts/preloaded/ebin/erts_internal.beam
index 0a78c5b6c3..aae3976298 100644
--- a/erts/preloaded/ebin/erts_internal.beam
+++ b/erts/preloaded/ebin/erts_internal.beam
Binary files differ
diff --git a/erts/preloaded/src/erlang.erl b/erts/preloaded/src/erlang.erl
index da08ab383b..f502a7cd36 100644
--- a/erts/preloaded/src/erlang.erl
+++ b/erts/preloaded/src/erlang.erl
@@ -2428,10 +2428,11 @@ term_to_binary(_Term, _Options) ->
tl(_List) ->
erlang:nif_error(undefined).
+-type match_variable() :: atom(). % Approximation of '$1' | '$2' | ...
-type trace_pattern_mfa() ::
{atom(),atom(),arity() | '_'} | on_load.
-type trace_match_spec() ::
- [{[term()] | '_' ,[term()],[term()]}].
+ [{[term()] | '_' | match_variable() ,[term()],[term()]}].
-spec erlang:trace_pattern(MFA, MatchSpec) -> non_neg_integer() when
MFA :: trace_pattern_mfa() | send | 'receive',
diff --git a/erts/preloaded/src/erts_internal.erl b/erts/preloaded/src/erts_internal.erl
index fecdfc348c..a27cb2ba38 100644
--- a/erts/preloaded/src/erts_internal.erl
+++ b/erts/preloaded/src/erts_internal.erl
@@ -436,10 +436,11 @@ microstate_accounting(Ref, Threads) ->
trace(_PidSpec, _How, _FlagList) ->
erlang:nif_error(undefined).
+-type match_variable() :: atom(). % Approximation of '$1' | '$2' | ...
-type trace_pattern_mfa() ::
{atom(),atom(),arity() | '_'} | on_load.
-type trace_match_spec() ::
- [{[term()] | '_' ,[term()],[term()]}].
+ [{[term()] | '_' | match_variable() ,[term()],[term()]}].
-spec trace_pattern(MFA, MatchSpec, FlagList) -> non_neg_integer() when
MFA :: trace_pattern_mfa(),