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| author | Zefram <zefram@fysh.org> | 2011-09-09 23:27:16 +0100 |
|---|---|---|
| committer | Zefram <zefram@fysh.org> | 2011-09-09 23:30:02 +0100 |
| commit | e1dccc0d34a90e3511bfed596be9d78128ca7ee7 (patch) | |
| tree | 1e72ad2098f66ac1c59debfc46c00d1013fc0a9f /mg.c | |
| parent | 0b31f5359876e6c0b203006714db218d7b441cd1 (diff) | |
| download | perl-e1dccc0d34a90e3511bfed596be9d78128ca7ee7.tar.gz | |
remove index offsetting ($[)
$[ remains as a variable. It no longer has compile-time magic.
At runtime, it always reads as zero, accepts a write of zero, but dies
on writing any other value.
Diffstat (limited to 'mg.c')
| -rw-r--r-- | mg.c | 13 |
1 files changed, 7 insertions, 6 deletions
@@ -1069,7 +1069,7 @@ Perl_magic_get(pTHX_ SV *sv, MAGIC *mg) case '/': break; case '[': - sv_setiv(sv, (IV)CopARYBASE_get(PL_curcop)); + sv_setiv(sv, 0); break; case '|': if (GvIO(PL_defoutgv)) @@ -2018,7 +2018,7 @@ Perl_magic_getarylen(pTHX_ SV *sv, const MAGIC *mg) PERL_ARGS_ASSERT_MAGIC_GETARYLEN; if (obj) { - sv_setiv(sv, AvFILL(obj) + CopARYBASE_get(PL_curcop)); + sv_setiv(sv, AvFILL(obj)); } else { SvOK_off(sv); } @@ -2034,7 +2034,7 @@ Perl_magic_setarylen(pTHX_ SV *sv, MAGIC *mg) PERL_ARGS_ASSERT_MAGIC_SETARYLEN; if (obj) { - av_fill(obj, SvIV(sv) - CopARYBASE_get(PL_curcop)); + av_fill(obj, SvIV(sv)); } else { Perl_ck_warner(aTHX_ packWARN(WARN_MISC), "Attempt to set length of freed array"); @@ -2082,7 +2082,7 @@ Perl_magic_getpos(pTHX_ SV *sv, MAGIC *mg) I32 i = found->mg_len; if (DO_UTF8(lsv)) sv_pos_b2u(lsv, &i); - sv_setiv(sv, i + CopARYBASE_get(PL_curcop)); + sv_setiv(sv, i); return 0; } } @@ -2123,7 +2123,7 @@ Perl_magic_setpos(pTHX_ SV *sv, MAGIC *mg) } len = SvPOK(lsv) ? SvCUR(lsv) : sv_len(lsv); - pos = SvIV(sv) - CopARYBASE_get(PL_curcop); + pos = SvIV(sv); if (DO_UTF8(lsv)) { ulen = sv_len_utf8(lsv); @@ -2728,7 +2728,8 @@ Perl_magic_set(pTHX_ SV *sv, MAGIC *mg) } break; case '[': - CopARYBASE_set(&PL_compiling, SvIV(sv)); + if (SvIV(sv) != 0) + Perl_croak(aTHX_ "Assigning non-zero to $[ is no longer possible"); break; case '?': #ifdef COMPLEX_STATUS |