diff options
Diffstat (limited to 'erts/emulator')
| -rw-r--r-- | erts/emulator/beam/beam_emu.c | 27 | ||||
| -rw-r--r-- | erts/emulator/test/big_SUITE.erl | 15 |
2 files changed, 36 insertions, 6 deletions
diff --git a/erts/emulator/beam/beam_emu.c b/erts/emulator/beam/beam_emu.c index 9b2b47ffb7..c65b2be106 100644 --- a/erts/emulator/beam/beam_emu.c +++ b/erts/emulator/beam/beam_emu.c @@ -234,6 +234,12 @@ BeamInstr beam_return_trace[1]; /* OpCode(i_return_trace) */ BeamInstr beam_exception_trace[1]; /* UGLY also OpCode(i_return_trace) */ BeamInstr beam_return_time_trace[1]; /* OpCode(i_return_time_trace) */ + +/* + * We should warn only once for tuple funs. + */ +static erts_smp_atomic_t warned_for_tuple_funs; + /* * All Beam instructions in numerical order. */ @@ -1015,6 +1021,7 @@ init_emulator(void) #if defined(VXWORKS) init_done = 0; #endif + erts_smp_atomic_init_nob(&warned_for_tuple_funs, (erts_aint_t) 0); process_main(); } @@ -6188,6 +6195,26 @@ call_fun(Process* p, /* Current process. */ if (!is_atom(module) || !is_atom(function)) { goto badfun; } + + /* + * If this is the first time a tuple fun is used, + * send a warning to the logger. + */ + if (erts_smp_atomic_xchg_nob(&warned_for_tuple_funs, + (erts_aint_t) 1) == 0) { + erts_dsprintf_buf_t* dsbufp; + + dsbufp = erts_create_logger_dsbuf(); + erts_dsprintf(dsbufp, "Call to tuple fun {%T,%T}.\n\n" + "Tuple funs are deprecated and will be removed " + "in R16. Use \"fun M:F/A\" instead, for example " + "\"fun %T:%T/%d\".\n\n" + "(This warning will only be shown the first time " + "a tuple fun is called.)\n", + module, function, module, function, arity); + erts_send_warning_to_logger(p->group_leader, dsbufp); + } + if ((ep = erts_find_export_entry(module, function, arity)) == NULL) { ep = erts_find_export_entry(erts_proc_get_error_handler(p), am_undefined_function, 3); diff --git a/erts/emulator/test/big_SUITE.erl b/erts/emulator/test/big_SUITE.erl index 3487917677..413bd3bcae 100644 --- a/erts/emulator/test/big_SUITE.erl +++ b/erts/emulator/test/big_SUITE.erl @@ -26,7 +26,7 @@ shift_limit_1/1, powmod/1, system_limit/1, otp_6692/1]). %% Internal exports. --export([eval/1, funcall/2]). +-export([eval/1]). -export([init/3]). -export([fac/1, fib/1, pow/2, gcd/2, lcm/2]). @@ -162,12 +162,15 @@ multi_match([Node|Ns], Expr, Rs) -> multi_match([], _, Rs) -> Rs. eval(Expr) -> - Fun = {?MODULE,funcall}, - {value,V,_} = erl_eval:expr(Expr, [], Fun), %Applied arithmetic BIFs. - V = eval(Expr, Fun), %Real arithmetic instructions. - V. + LFH = fun(Name, As) -> apply(?MODULE, Name, As) end, + + %% Applied arithmetic BIFs. + {value,V,_} = erl_eval:expr(Expr, [], {value,LFH}), -funcall(F, As) -> apply(?MODULE, F, As). + %% Real arithmetic instructions. + V = eval(Expr, LFH), + + V. %% Like a subset of erl_eval:expr/3, but uses real arithmetic instructions instead of %% applying them (it does make a difference). |