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| author | Karl Williamson <public@khwilliamson.com> | 2013-07-16 22:01:08 -0600 |
|---|---|---|
| committer | Karl Williamson <public@khwilliamson.com> | 2013-07-19 10:35:14 -0600 |
| commit | 1078c6a2c81c4b65a2bdfe9f9778a03e3fb57bec (patch) | |
| tree | 72203ef888c02be1119cc803af6f9ca3f689e72d /sv.h | |
| parent | 56e1cca174a06a1be569b25dd29cf4b8d6a5bf9d (diff) | |
| download | perl-1078c6a2c81c4b65a2bdfe9f9778a03e3fb57bec.tar.gz | |
sv.h: Comments added/typo fixed.
Diffstat (limited to 'sv.h')
| -rw-r--r-- | sv.h | 9 |
1 files changed, 8 insertions, 1 deletions
@@ -120,8 +120,14 @@ Type flag for formats. See L</svtype>. Type flag for I/O objects. See L</svtype>. =cut + + These are ordered so that the simpler types have a lower value; SvUPGRADE + doesn't allow you to upgrade from a higher numbered type to a lower numbered + one; also there is code that assumes that anything that has as a PV component + has a type numbered >= SVt_PV. */ + typedef enum { SVt_NULL, /* 0 */ /* BIND was here, before INVLIST replaced it. */ @@ -154,7 +160,7 @@ typedef enum { #ifndef PERL_CORE /* Although Fast Boyer Moore tables are now being stored in PVGVs, for most - purposes eternal code wanting to consider PVBM probably needs to think of + purposes external code wanting to consider PVBM probably needs to think of PVMG instead. */ # define SVt_PVBM SVt_PVMG /* Anything wanting to create a reference from clean should ensure that it has @@ -943,6 +949,7 @@ in gv.h: */ #define HvAMAGIC_off(hv) (SvFLAGS(hv) &=~ SVf_AMAGIC) +/* "nog" means "doesn't have get magic" */ #define SvPOK_nog(sv) ((SvFLAGS(sv) & (SVf_POK|SVs_GMG)) == SVf_POK) #define SvIOK_nog(sv) ((SvFLAGS(sv) & (SVf_IOK|SVs_GMG)) == SVf_IOK) #define SvUOK_nog(sv) ((SvFLAGS(sv) & (SVf_IOK|SVf_IVisUV|SVs_GMG)) == (SVf_IOK|SVf_IVisUV)) |