From: Nicholas Clark Date: Thu, 14 Dec 2006 11:23:16 +0000 (+0000) Subject: Turn a tab into 2 spaces to make more room for comments about SV flags. X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=commitdiff_plain;h=3f7ef1d47a39c6edacb8e622913a2981b3310cc5;p=p5sagit%2Fp5-mst-13.2.git Turn a tab into 2 spaces to make more room for comments about SV flags. Sorry about damaging the change history - dig through this change with http://public.activestate.com/cgi-bin/perlbrowse?show_blame=Show+Annotated+File&filename=sv.h&rev=&change=29552 p4raw-id: //depot/perl@29554 --- diff --git a/sv.h b/sv.h index d052b0d..7e8638f 100644 --- a/sv.h +++ b/sv.h @@ -283,52 +283,51 @@ perform the upgrade if necessary. See C. #define SvUPGRADE(sv, mt) (SvTYPE(sv) >= (mt) || (sv_upgrade(sv, mt), 1)) -#define SVf_IOK 0x00000100 /* has valid public integer value */ -#define SVf_NOK 0x00000200 /* has valid public numeric value */ -#define SVf_POK 0x00000400 /* has valid public pointer value */ -#define SVf_ROK 0x00000800 /* has a valid reference pointer */ - -#define SVp_IOK 0x00001000 /* has valid non-public integer value */ -#define SVp_NOK 0x00002000 /* has valid non-public numeric value */ -#define SVp_POK 0x00004000 /* has valid non-public pointer value */ -#define SVp_SCREAM 0x00008000 /* has been studied? */ -#define SVphv_CLONEABLE 0x00008000 /* PVHV (stashes) clone its objects */ - -#define SVs_PADSTALE 0x00010000 /* lexical has gone out of scope */ -#define SVpad_STATE 0x00010000 /* pad name is a "state" var */ -#define SVs_PADTMP 0x00020000 /* in use as tmp */ -#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_OBJECT 0x00100000 /* is "blessed" */ -#define SVs_GMG 0x00200000 /* has magical get method */ -#define SVs_SMG 0x00400000 /* has magical set method */ -#define SVs_RMG 0x00800000 /* has random magical methods */ - -#define SVf_FAKE 0x01000000 /* 0: glob or lexical is just a copy - 1: SV head arena wasn't malloc()ed - 2: in conjunction with SVf_READONLY - marks a shared hash key scalar - (SvLEN == 0) or a copy on write - string (SvLEN != 0) [SvIsCOW(sv)] - 3: For PVCV, whether CvUNIQUE(cv) - refers to an eval or once only - [CvEVAL(cv), CvSPECIAL(cv)] - 4: Whether the regexp pointer is in - fact an offset [SvREPADTMP(sv)] - 5: On a pad name SV, that slot in the - frame AV is a REFCNT'ed reference - to a lexical from "outside". */ -#define SVphv_REHASH SVf_FAKE /* 6: On a PVHV, hash values are being - recalculated */ -#define SVf_OOK 0x02000000 /* has valid offset value - For a PVHV this means that a - hv_aux struct is present after the - main array */ -#define SVf_BREAK 0x04000000 /* refcnt is artificially low - used - * by SV's in final arena cleanup */ -#define SVf_READONLY 0x08000000 /* may not be modified */ +#define SVf_IOK 0x00000100 /* has valid public integer value */ +#define SVf_NOK 0x00000200 /* has valid public numeric value */ +#define SVf_POK 0x00000400 /* has valid public pointer value */ +#define SVf_ROK 0x00000800 /* has a valid reference pointer */ + +#define SVp_IOK 0x00001000 /* has valid non-public integer value */ +#define SVp_NOK 0x00002000 /* has valid non-public numeric value */ +#define SVp_POK 0x00004000 /* has valid non-public pointer value */ +#define SVp_SCREAM 0x00008000 /* has been studied? */ +#define SVphv_CLONEABLE 0x00008000 /* PVHV (stashes) clone its objects */ + +#define SVs_PADSTALE 0x00010000 /* lexical has gone out of scope */ +#define SVpad_STATE 0x00010000 /* pad name is a "state" var */ +#define SVs_PADTMP 0x00020000 /* in use as tmp */ +#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_OBJECT 0x00100000 /* is "blessed" */ +#define SVs_GMG 0x00200000 /* has magical get method */ +#define SVs_SMG 0x00400000 /* has magical set method */ +#define SVs_RMG 0x00800000 /* has random magical methods */ + +#define SVf_FAKE 0x01000000 /* 0: glob or lexical is just a copy + 1: SV head arena wasn't malloc()ed + 2: in conjunction with SVf_READONLY + marks a shared hash key scalar + (SvLEN == 0) or a copy on write + string (SvLEN != 0) [SvIsCOW(sv)] + 3: For PVCV, whether CvUNIQUE(cv) + refers to an eval or once only + [CvEVAL(cv), CvSPECIAL(cv)] + 4: Whether the regexp pointer is in + fact an offset [SvREPADTMP(sv)] + 5: On a pad name SV, that slot in the + frame AV is a REFCNT'ed reference + to a lexical from "outside". */ +#define SVphv_REHASH SVf_FAKE /* 6: On a PVHV, hash values are being + recalculated */ +#define SVf_OOK 0x02000000 /* has valid offset value. For a PVHV this + means that a hv_aux struct is present + after the main array */ +#define SVf_BREAK 0x04000000 /* refcnt is artificially low - used by + SV's in final arena cleanup */ +#define SVf_READONLY 0x08000000 /* may not be modified */ @@ -347,35 +346,34 @@ perform the upgrade if necessary. See C. /* Some private flags. */ /* PVHV */ -#define SVphv_SHAREKEYS 0x20000000 /* PVHV - keys live on shared string table */ +#define SVphv_SHAREKEYS 0x20000000 /* PVHV keys live on shared string table */ /* PVNV, PVMG, presumably only inside pads */ -#define SVpad_NAME 0x40000000 /* This SV is a name in the PAD, so - SVpad_TYPED, SVpad_OUR and - SVpad_STATE apply */ +#define SVpad_NAME 0x40000000 /* This SV is a name in the PAD, so + SVpad_TYPED, SVpad_OUR and SVpad_STATE + apply */ /* PVAV */ -#define SVpav_REAL 0x40000000 /* free old entries */ +#define SVpav_REAL 0x40000000 /* free old entries */ /* PVHV */ -#define SVphv_LAZYDEL 0x40000000 /* entry in xhv_eiter must be deleted */ +#define SVphv_LAZYDEL 0x40000000 /* entry in xhv_eiter must be deleted */ /* 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 */ +#define SVrepl_EVAL 0x40000000 /* Replacement part of s///e */ /* IV, PVIV, PVNV, PVMG, PVGV and (I assume) PVLV */ /* Presumably IVs aren't stored in pads */ -#define SVf_IVisUV 0x80000000 /* use XPVUV instead of XPVIV */ +#define SVf_IVisUV 0x80000000 /* use XPVUV instead of XPVIV */ /* PVAV */ -#define SVpav_REIFY 0x80000000 /* can become real */ +#define SVpav_REIFY 0x80000000 /* can become real */ /* PVHV */ -#define SVphv_HASKFLAGS 0x80000000 /* keys have flag byte after hash */ +#define SVphv_HASKFLAGS 0x80000000 /* keys have flag byte after hash */ /* PVFM */ -#define SVpfm_COMPILED 0x80000000 /* FORMLINE is compiled */ +#define SVpfm_COMPILED 0x80000000 /* FORMLINE is compiled */ /* PVGV when SVpbm_VALID is true */ #define SVpbm_TAIL 0x80000000 /* RV upwards. However, SVf_ROK and SVp_IOK are exclusive */ -#define SVprv_WEAKREF 0x80000000 /* Weak reference */ +#define SVprv_WEAKREF 0x80000000 /* Weak reference */ struct xpv {