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authorBjörn-Egil Dahlberg <[email protected]>2014-08-21 16:43:03 +0200
committerBjörn-Egil Dahlberg <[email protected]>2014-08-21 16:43:03 +0200
commitae9c3f7b755d5ebf4e65146d81d04c2d48b4d9c9 (patch)
tree222b68e94768df505415a004a3e1633cc749c8f6 /erts/emulator/beam
parenta499a783bd7edbba856e61e490137dea4dab67e3 (diff)
parented5a0b9cdf6a7e87cec1a50c6e9adb29698ce8d9 (diff)
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Merge branch 'maint'
Diffstat (limited to 'erts/emulator/beam')
-rw-r--r--erts/emulator/beam/bif.tab4
-rw-r--r--erts/emulator/beam/erl_bif_info.c19
2 files changed, 23 insertions, 0 deletions
diff --git a/erts/emulator/beam/bif.tab b/erts/emulator/beam/bif.tab
index 011e49f1fe..e68b8e6274 100644
--- a/erts/emulator/beam/bif.tab
+++ b/erts/emulator/beam/bif.tab
@@ -601,6 +601,10 @@ bif maps:values/1
bif erts_internal:cmp_term/2
#
+# New in 17.1.
+#
+bif erlang:fun_info_mfa/1
+#
# Obsolete
#
diff --git a/erts/emulator/beam/erl_bif_info.c b/erts/emulator/beam/erl_bif_info.c
index 6915765dab..6efe9d9550 100644
--- a/erts/emulator/beam/erl_bif_info.c
+++ b/erts/emulator/beam/erl_bif_info.c
@@ -3055,6 +3055,25 @@ fun_info_2(BIF_ALIST_2)
return TUPLE2(hp, what, val);
}
+BIF_RETTYPE
+fun_info_mfa_1(BIF_ALIST_1)
+{
+ Process* p = BIF_P;
+ Eterm fun = BIF_ARG_1;
+ Eterm* hp;
+
+ if (is_fun(fun)) {
+ ErlFunThing* funp = (ErlFunThing *) fun_val(fun);
+ hp = HAlloc(p, 4);
+ BIF_RET(TUPLE3(hp,funp->fe->module,funp->fe->address[-2],make_small(funp->arity)));
+ } else if (is_export(fun)) {
+ Export* exp = (Export *) ((UWord) (export_val(fun))[1]);
+ hp = HAlloc(p, 4);
+ BIF_RET(TUPLE3(hp,exp->code[0],exp->code[1],make_small(exp->code[2])));
+ }
+ BIF_ERROR(p, BADARG);
+}
+
BIF_RETTYPE is_process_alive_1(BIF_ALIST_1)
{
if(is_internal_pid(BIF_ARG_1)) {