diff options
Diffstat (limited to 'sv.h')
-rw-r--r-- | sv.h | 5 |
1 files changed, 4 insertions, 1 deletions
@@ -357,7 +357,8 @@ perform the upgrade if necessary. See C<svtype>. #define SVpav_REAL 0x40000000 /* free old entries */ /* PVHV */ #define SVphv_LAZYDEL 0x40000000 /* entry in xhv_eiter must be deleted */ -/* Not just "PVBM" (PVGV) - basically anything that can be a regular scalar */ +/* This is only set true on a PVGV when it's playing "PVBM", but is tested for + on any regular scalar (anything <= PVLV) */ #define SVpbm_VALID 0x40000000 /* ??? */ #define SVrepl_EVAL 0x40000000 /* Replacement part of s///e */ @@ -1332,8 +1333,10 @@ the scalar's value cannot change unless written to. #define PERL_FBM_TABLE_OFFSET 5 /* Number of bytes between EOS and table */ #define PERL_FBM_FLAGS_OFFSET_FROM_TABLE -1 +/* how many characters in string before rare? */ #define PERL_FBM_PREVIOUS_L_OFFSET_FROM_TABLE -2 #define PERL_FBM_PREVIOUS_H_OFFSET_FROM_TABLE -3 +/* rarest character in string */ #define PERL_FBM_RARE_OFFSET_FROM_TABLE -4 /* SvPOKp not SvPOK in the assertion because the string can be tainted! eg |