| 1 | sv_magic()
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| 2 | ----------
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| 3 | av.c
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| 4 | av_store()
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| 5 | Storing a non-undef element into an SMAGICAL array, av,
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| 6 | assigns the equivalent lowercase form of magic (of the first
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| 7 | MAGIC in the chain) to the value (with obj = av, name = 0 and
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| 8 | namlen = array index).
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| 9 |
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| 10 | gv.c
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| 11 | gv_init()
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| 12 | Initialising gv assigns '*' magic to it with obj = gv, name =
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| 13 | GvNAME and namlen = GvNAMELEN.
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| 14 | gv_fetchpv()
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| 15 | @ISA gets 'I' magic with obj = gv, zero name and namlen.
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| 16 | %OVERLOAD gets 'A' magic with obj = gv, zero name and namlen.
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| 17 | $1 to $9, $&, $`, $', $+ get '\0' magic with obj = gv,
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| 18 | name = GvNAME and namlen = len ( = 1 presumably).
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| 19 | Gv_AMupdate()
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| 20 | Stashes for overload magic seem to get 'c' magic with obj = 0,
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| 21 | name = &amt and namlen = sizeof(amt).
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| 22 | hv_magic(hv, gv, how)
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| 23 | Gives magic how to hv with obj = gv and zero name and namlen.
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| 24 |
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| 25 | mg.c
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| 26 | mg_copy(sv, nsv, key, klen)
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| 27 | Traverses the magic chain of sv. Upper case forms of magic
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| 28 | (only) are copied across to nsv, preserving obj but using
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| 29 | name = key and namlen = klen.
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| 30 | magic_setpos()
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| 31 | LvTARG of a PVLV gets 'g' magic with obj = name = 0 and namlen = pos.
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| 32 |
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| 33 | op.c
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| 34 | mod()
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| 35 | PVLV operators give magic to their targs with
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| 36 | obj = name = namlen = 0. OP_POS gives '.', OP_VEC gives 'v'
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| 37 | and OP_SUBSTR gives 'x'.
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| 38 |
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| 39 | perl.c
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| 40 | magicname(sym, name, namlen)
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| 41 | Fetches/creates a GV with name sym and gives it '\0' magic
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| 42 | with obj = gv, name and namlen as passed.
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| 43 | init_postdump_symbols()
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| 44 | Elements of the environment get given SVs with 'e' magic.
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| 45 | obj = sv and name and namlen point to the actual string
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| 46 | within env.
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| 47 |
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| 48 | pp.c
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| 49 | pp_av2arylen()
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| 50 | $#foo gives '#' magic to the new SV with obj = av and
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| 51 | name = namlen = 0.
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| 52 | pp_study()
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| 53 | SV gets 'g' magic with obj = name = namlen = 0.
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| 54 | pp_substr()
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| 55 | PVLV gets 'x' magic with obj = name = namlen = 0.
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| 56 | pp_vec()
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| 57 | PVLV gets 'x' magic with obj = name = namlen = 0.
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| 58 |
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| 59 | pp_hot.c
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| 60 | pp_match()
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| 61 | m//g gets 'g' magic with obj = name = namlen = 0.
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| 62 |
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| 63 | pp_sys.c
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| 64 | pp_tie()
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| 65 | sv gets magic with obj = sv and name = namlen = 0.
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| 66 | If an HV or an AV, it gets 'P' magic, otherwise 'q' magic.
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| 67 | pp_dbmopen()
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| 68 | 'P' magic for the HV just as with pp_tie().
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| 69 | pp_sysread()
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| 70 | If tainting, the buffer SV gets 't' magic with
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| 71 | obj = name = namlen = 0.
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| 72 |
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| 73 | sv.c
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| 74 | sv_setsv()
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| 75 | Doing sv_setsv(dstr, gv) gives '*' magic to dstr with
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| 76 | obj = dstr, name = GvNAME, namlen = GvNAMELEN.
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| 77 |
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| 78 | util.c
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| 79 | fbm_compile()
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| 80 | The PVBM gets 'B' magic with obj = name = namlen = 0 and SvVALID
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| 81 | is set to indicate that the Boyer-Moore table is valid.
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| 82 | magic_setbm() just clears the SvVALID flag.
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| 83 |
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| 84 | hv_magic()
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| 85 | ----------
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| 86 |
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| 87 | gv.c
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| 88 | gv_fetchfile()
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| 89 | With perldb, the HV of a gvfile gv gets 'L' magic with obj = gv.
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| 90 | gv_fetchpv()
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| 91 | %SIG gets 'S' magic with obj = siggv.
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| 92 | init_postdump_symbols()
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| 93 | %ENV gets 'E' magic with obj = envgv.
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