more for Devel::SelfStubber

[p5sagit/p5-mst-13.2.git] / sv.h

diff --git a/sv.h b/sv.h
index 425acc3..a896b62 100644 (file)
--- a/sv.h
+++ b/sv.h
@@ -1,6 +1,6 @@
 /*    sv.h
  *
- *    Copyright (c) 1991-2000, Larry Wall
+ *    Copyright (c) 1991-2001, Larry Wall
  *
  *    You may distribute under the terms of either the GNU General Public
  *    License or the Artistic License, as specified in the README file.
@@ -448,6 +448,9 @@ Tells and SV that it is an unsigned integer and disables all other OK bits.
 =for apidoc Am|void|SvIOK_UV|SV* sv
 Returns a boolean indicating whether the SV contains an unsigned integer.
 
+=for apidoc Am|void|SvUOK|SV* sv
+Returns a boolean indicating whether the SV contains an unsigned integer.
+
 =for apidoc Am|void|SvIOK_notUV|SV* sv
 Returns a boolean indicating whether the SV contains an signed integer.
 
@@ -475,6 +478,7 @@ Unsets the PV status of an SV.
 
 =for apidoc Am|void|SvPOK_only|SV* sv
 Tells an SV that it is a string and disables all other OK bits.
+Will also turn off the UTF8 status.
 
 =for apidoc Am|bool|SvOOK|SV* sv
 Returns a boolean indicating whether the SvIVX is a valid offset value for
@@ -562,6 +566,7 @@ Set the length of the string which is in the SV.  See C<SvCUR>.
 
 #define SvIOK_UV(sv)           ((SvFLAGS(sv) & (SVf_IOK|SVf_IVisUV))   \
                                 == (SVf_IOK|SVf_IVisUV))
+#define SvUOK(sv)              SvIOK_UV(sv)
 #define SvIOK_notUV(sv)                ((SvFLAGS(sv) & (SVf_IOK|SVf_IVisUV))   \
                                 == SVf_IOK)
 
@@ -580,14 +585,15 @@ Set the length of the string which is in the SV.  See C<SvCUR>.
 Returns a boolean indicating whether the SV contains UTF-8 encoded data.
 
 =for apidoc Am|void|SvUTF8_on|SV *sv
-Tells an SV that it is a string and encoded in UTF8.  Do not use frivolously.
+Turn on the UTF8 status of an SV (the data is not changed, just the flag).
+Do not use frivolously.
 
 =for apidoc Am|void|SvUTF8_off|SV *sv
 Unsets the UTF8 status of an SV.
 
 =for apidoc Am|void|SvPOK_only_UTF8|SV* sv
-Tells an SV that it is a UTF8 string (do not use frivolously)
-and disables all other OK bits.
+Tells an SV that it is a string and disables all other OK bits,
+and leaves the UTF8 status as it was.
   
 =cut
  */
@@ -714,6 +720,12 @@ and disables all other OK bits.
 #define SvMAGIC(sv)    ((XPVMG*)  SvANY(sv))->xmg_magic
 #define SvSTASH(sv)    ((XPVMG*)  SvANY(sv))->xmg_stash
 
+/* Ask a scalar nicely to try to become an IV, if possible.
+   Not guaranteed to stay returning void */
+/* Macro won't actually call sv_2iv if already IOK */
+#define SvIV_please(sv) \
+       STMT_START {if (!SvIOKp(sv) && (SvNOK(sv) || SvPOK(sv))) \
+               (void) SvIV(sv); } STMT_END
 #define SvIV_set(sv, val) \
        STMT_START { assert(SvTYPE(sv) == SVt_IV || SvTYPE(sv) >= SVt_PVIV); \
                (((XPVIV*)  SvANY(sv))->xiv_iv = val); } STMT_END
@@ -801,7 +813,6 @@ Taints an SV if tainting is enabled
 #define SvTAINT(sv)                    \
     STMT_START {                       \
        if (PL_tainting) {              \
-           dTHR;                       \
            if (PL_tainted)             \
                SvTAINTED_on(sv);       \
        }                               \
@@ -1042,7 +1053,7 @@ more than once.
 Calls a non-destructive version of C<sv_setsv> if dsv is not the same as
 ssv. May evaluate arguments more than once.
 
-=for apidoc Am|void|SvGROW|SV* sv|STRLEN len
+=for apidoc Am|char *|SvGROW|SV* sv|STRLEN len
 Expands the character buffer in the SV so that it has room for the
 indicated number of bytes (remember to reserve space for an extra trailing
 NUL character).  Calls C<sv_grow> to perform the expansion if necessary. 
@@ -1097,3 +1108,8 @@ Returns a pointer to the character buffer.
 #define SvGROW(sv,len) (SvLEN(sv) < (len) ? sv_grow(sv,len) : SvPVX(sv))
 #define Sv_Grow sv_grow
 
+#define SV_IMMEDIATE_UNREF     1
+
+#define CLONEf_COPY_STACKS 1
+#define CLONEf_KEEP_PTR_TABLE 2
+