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Diffstat (limited to 'contrib/perl5/ext/B/ramblings/magic')
-rw-r--r-- | contrib/perl5/ext/B/ramblings/magic | 93 |
1 files changed, 0 insertions, 93 deletions
diff --git a/contrib/perl5/ext/B/ramblings/magic b/contrib/perl5/ext/B/ramblings/magic deleted file mode 100644 index e41930a..0000000 --- a/contrib/perl5/ext/B/ramblings/magic +++ /dev/null @@ -1,93 +0,0 @@ -sv_magic() ----------- -av.c -av_store() - Storing a non-undef element into an SMAGICAL array, av, - assigns the equivalent lowercase form of magic (of the first - MAGIC in the chain) to the value (with obj = av, name = 0 and - namlen = array index). - -gv.c -gv_init() - Initialising gv assigns '*' magic to it with obj = gv, name = - GvNAME and namlen = GvNAMELEN. -gv_fetchpv() - @ISA gets 'I' magic with obj = gv, zero name and namlen. - %OVERLOAD gets 'A' magic with obj = gv, zero name and namlen. - $1 to $9, $&, $`, $', $+ get '\0' magic with obj = gv, - name = GvNAME and namlen = len ( = 1 presumably). -Gv_AMupdate() - Stashes for overload magic seem to get 'c' magic with obj = 0, - name = &amt and namlen = sizeof(amt). -hv_magic(hv, gv, how) - Gives magic how to hv with obj = gv and zero name and namlen. - -mg.c -mg_copy(sv, nsv, key, klen) - Traverses the magic chain of sv. Upper case forms of magic - (only) are copied across to nsv, preserving obj but using - name = key and namlen = klen. -magic_setpos() - LvTARG of a PVLV gets 'g' magic with obj = name = 0 and namlen = pos. - -op.c -mod() - PVLV operators give magic to their targs with - obj = name = namlen = 0. OP_POS gives '.', OP_VEC gives 'v' - and OP_SUBSTR gives 'x'. - -perl.c -magicname(sym, name, namlen) - Fetches/creates a GV with name sym and gives it '\0' magic - with obj = gv, name and namlen as passed. -init_postdump_symbols() - Elements of the environment get given SVs with 'e' magic. - obj = sv and name and namlen point to the actual string - within env. - -pp.c -pp_av2arylen() - $#foo gives '#' magic to the new SV with obj = av and - name = namlen = 0. -pp_study() - SV gets 'g' magic with obj = name = namlen = 0. -pp_substr() - PVLV gets 'x' magic with obj = name = namlen = 0. -pp_vec() - PVLV gets 'x' magic with obj = name = namlen = 0. - -pp_hot.c -pp_match() - m//g gets 'g' magic with obj = name = namlen = 0. - -pp_sys.c -pp_tie() - sv gets magic with obj = sv and name = namlen = 0. - If an HV or an AV, it gets 'P' magic, otherwise 'q' magic. -pp_dbmopen() - 'P' magic for the HV just as with pp_tie(). -pp_sysread() - If tainting, the buffer SV gets 't' magic with - obj = name = namlen = 0. - -sv.c -sv_setsv() - Doing sv_setsv(dstr, gv) gives '*' magic to dstr with - obj = dstr, name = GvNAME, namlen = GvNAMELEN. - -util.c -fbm_compile() - The PVBM gets 'B' magic with obj = name = namlen = 0 and SvVALID - is set to indicate that the Boyer-Moore table is valid. - magic_setbm() just clears the SvVALID flag. - -hv_magic() ----------- - -gv.c -gv_fetchfile() - With perldb, the HV of a gvfile gv gets 'L' magic with obj = gv. -gv_fetchpv() - %SIG gets 'S' magic with obj = siggv. -init_postdump_symbols() - %ENV gets 'E' magic with obj = envgv. |