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| author | David Mitchell <davem@iabyn.com> | 2014-09-22 15:19:50 +0100 |
|---|---|---|
| committer | David Mitchell <davem@iabyn.com> | 2014-09-22 15:22:50 +0100 |
| commit | 2c39754a51ff0311c18539adf3808a52242313c3 (patch) | |
| tree | afd7e36babae4a6a65518ec6047642c072ad8393 /sv.h | |
| parent | 9fa5aa9143471cda101c2ac9e87f7bf90ccd0b36 (diff) | |
| download | perl-2c39754a51ff0311c18539adf3808a52242313c3.tar.gz | |
SvFLAGS: informally reserve a bit
SvFAKE is currently unused on HVs, so I'm marking it as mine.
Hopefully it will eventually get used for vtables on HVs.
I've also improved the description of SVs_TEMP.
Diffstat (limited to 'sv.h')
| -rw-r--r-- | sv.h | 6 |
1 files changed, 4 insertions, 2 deletions
@@ -369,7 +369,7 @@ perform the upgrade if necessary. See C<svtype>. #define SVpad_TYPED 0x00020000 /* pad name is a Typed Lexical */ #define SVs_PADMY 0x00040000 /* in use a "my" variable */ #define SVpad_OUR 0x00040000 /* pad name is "our" instead of "my" */ -#define SVs_TEMP 0x00080000 /* string is stealable? */ +#define SVs_TEMP 0x00080000 /* mortal (implies string is stealable) */ #define SVs_OBJECT 0x00100000 /* is "blessed" */ #define SVs_GMG 0x00200000 /* has magical get method */ #define SVs_SMG 0x00400000 /* has magical set method */ @@ -382,7 +382,9 @@ perform the upgrade if necessary. See C<svtype>. [CvEVAL(cv), CvSPECIAL(cv)] 3: On a pad name SV, that slot in the frame AV is a REFCNT'ed reference - to a lexical from "outside". */ + to a lexical from "outside". + 4: HV: informally reserved by DAPM + for vtables */ #define SVf_OOK 0x02000000 /* has valid offset value. For a PVHV this means that a hv_aux struct is present after the main array */ |