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| author | Father Chrysostomos <sprout@cpan.org> | 2015-01-04 11:44:03 -0800 |
|---|---|---|
| committer | Father Chrysostomos <sprout@cpan.org> | 2015-01-31 22:03:51 -0800 |
| commit | a6eb74ec7f79f7c519927e9496acfe0a09cd1726 (patch) | |
| tree | 785280276ae99b5aac7dc57d3740e7db84af2f85 | |
| parent | 27f31adf88291fb0c1238c9bb558f95a54a8555b (diff) | |
| download | perl-a6eb74ec7f79f7c519927e9496acfe0a09cd1726.tar.gz | |
Warning about experimental bitops
| -rw-r--r-- | op.c | 7 | ||||
| -rw-r--r-- | opcode.h | 2 | ||||
| -rw-r--r-- | pod/perldiag.pod | 12 | ||||
| -rw-r--r-- | regen/opcodes | 4 |
4 files changed, 23 insertions, 2 deletions
@@ -9481,6 +9481,13 @@ Perl_ck_bitop(pTHX_ OP *o) PERL_ARGS_ASSERT_CK_BITOP; o->op_private = (U8)(PL_hints & HINT_INTEGER); + + if (o->op_type == OP_NBIT_OR || o->op_type == OP_SBIT_OR + || o->op_type == OP_NBIT_XOR || o->op_type == OP_SBIT_XOR + || o->op_type == OP_NBIT_AND || o->op_type == OP_SBIT_AND + || o->op_type == OP_NCOMPLEMENT || o->op_type == OP_SCOMPLEMENT) + Perl_ck_warner_d(aTHX_ packWARN(WARN_EXPERIMENTAL__BITWISE), + "The bitwise feature is experimental"); if (!(o->op_flags & OPf_STACKED) /* Not an assignment */ && OP_IS_INFIX_BIT(o->op_type)) { @@ -1492,7 +1492,7 @@ EXT Perl_check_t PL_check[] /* or perlvars.h */ Perl_ck_null, /* not */ Perl_ck_bitop, /* complement */ Perl_ck_bitop, /* ncomplement */ - Perl_ck_null, /* scomplement */ + Perl_ck_bitop, /* scomplement */ Perl_ck_smartmatch, /* smartmatch */ Perl_ck_fun, /* atan2 */ Perl_ck_fun, /* sin */ diff --git a/pod/perldiag.pod b/pod/perldiag.pod index e6b056238d..877b992270 100644 --- a/pod/perldiag.pod +++ b/pod/perldiag.pod @@ -5750,6 +5750,18 @@ as a compiler directive. You may say only one of This is to prevent the problem of one module changing the array base out from under another module inadvertently. See L<perlvar/$[> and L<arybase>. +=item The bitwise feature is experimental + +(S experimental::bitwise) This warning is emitted if you use bitwise +operators (C<& | ^ ~ &. |. ^. ~.>) with the "bitwise" feature enabled. +Simply suppress the warning if you want to use the feature, but know +that in doing so you are taking the risk of using an experimental +feature which may change or be removed in a future Perl version: + + no warnings "experimental::bitwise"; + use feature "bitwise"; + $x |.= $y; + =item The crypt() function is unimplemented due to excessive paranoia. (F) Configure couldn't find the crypt() function on your machine, diff --git a/regen/opcodes b/regen/opcodes index cbf38dce50..8bbd557036 100644 --- a/regen/opcodes +++ b/regen/opcodes @@ -177,7 +177,9 @@ i_negate integer negation (-) ck_null ifst1 S not not ck_null ifs1 S complement 1's complement (~) ck_bitop fsT1 S ncomplement numeric 1's complement (~) ck_bitop fsT1 S -scomplement string 1's complement (~) ck_null fsT1 S +# scomplement uses ck_bitop only for the experimental warning. Once the +# warning is gone, this can change to ck_null. +scomplement string 1's complement (~) ck_bitop fsT1 S smartmatch smart match ck_smartmatch s2 |