/* Still under construction */
-Upgrades rv to reference if not already one. Creates new SV for rv to
-point to. If C<classname> is non-null, the SV is blessed into the specified
-class. SV is returned.
+The following function upgrades rv to reference if not already one.
+Creates a new SV for rv to point to. If C<classname> is non-null, the SV
+is blessed into the specified class. SV is returned.
SV* newSVrv(SV* rv, const char* classname);
-Copies integer, unsigned integer or double into an SV whose reference is C<rv>. SV is blessed
-if C<classname> is non-null.
+The following three functions copy integer, unsigned integer or double
+into an SV whose reference is C<rv>. SV is blessed if C<classname> is
+non-null.
SV* sv_setref_iv(SV* rv, const char* classname, IV iv);
SV* sv_setref_uv(SV* rv, const char* classname, UV uv);
SV* sv_setref_nv(SV* rv, const char* classname, NV iv);
-Copies the pointer value (I<the address, not the string!>) into an SV whose
-reference is rv. SV is blessed if C<classname> is non-null.
+The following function copies the pointer value (I<the address, not the
+string!>) into an SV whose reference is rv. SV is blessed if C<classname>
+is non-null.
- SV* sv_setref_pv(SV* rv, const char* classname, PV iv);
+ SV* sv_setref_pv(SV* rv, const char* classname, void* pv);
-Copies string into an SV whose reference is C<rv>. Set length to 0 to let
-Perl calculate the string length. SV is blessed if C<classname> is non-null.
+The following function copies string into an SV whose reference is C<rv>.
+Set length to 0 to let Perl calculate the string length. SV is blessed if
+C<classname> is non-null.
- SV* sv_setref_pvn(SV* rv, const char* classname, PV iv, STRLEN length);
+ SV* sv_setref_pvn(SV* rv, const char* classname, char* pv, STRLEN length);
-Tests whether the SV is blessed into the specified class. It does not
-check inheritance relationships.
+The following function tests whether the SV is blessed into the specified
+class. It does not check inheritance relationships.
int sv_isa(SV* sv, const char* name);
-Tests whether the SV is a reference to a blessed object.
+The following function tests whether the SV is a reference to a blessed object.
int sv_isobject(SV* sv);
-Tests whether the SV is derived from the specified class. SV can be either
-a reference to a blessed object or a string containing a class name. This
-is the function implementing the C<UNIVERSAL::isa> functionality.
+The following function tests whether the SV is derived from the specified
+class. SV can be either a reference to a blessed object or a string
+containing a class name. This is the function implementing the
+C<UNIVERSAL::isa> functionality.
bool sv_derived_from(SV* sv, const char* name);
(old-style char and macro) MGVTBL Type of magic
-------------------------- ------ -------------
\0 PERL_MAGIC_sv vtbl_sv Special scalar variable
+ # PERL_MAGIC_arylen vtbl_arylen Array length ($#ary)
+ % PERL_MAGIC_rhash (none) extra data for restricted
+ hashes
+ . PERL_MAGIC_pos vtbl_pos pos() lvalue
+ : PERL_MAGIC_symtab (none) extra data for symbol tables
+ < PERL_MAGIC_backref vtbl_backref for weak ref data
+ @ PERL_MAGIC_arylen_p (none) to move arylen out of XPVAV
A PERL_MAGIC_overload vtbl_amagic %OVERLOAD hash
a PERL_MAGIC_overload_elem vtbl_amagicelem %OVERLOAD hash element
- c PERL_MAGIC_overload_table (none) Holds overload table (AMT)
- on stash
- B PERL_MAGIC_bm vtbl_bm Boyer-Moore (fast string search)
- D PERL_MAGIC_regdata vtbl_regdata Regex match position data
+ B PERL_MAGIC_bm vtbl_regexp Boyer-Moore
+ (fast string search)
+ c PERL_MAGIC_overload_table vtbl_ovrld Holds overload table
+ (AMT) on stash
+ D PERL_MAGIC_regdata vtbl_regdata Regex match position data
(@+ and @- vars)
d PERL_MAGIC_regdatum vtbl_regdatum Regex match position data
element
E PERL_MAGIC_env vtbl_env %ENV hash
e PERL_MAGIC_envelem vtbl_envelem %ENV hash element
- f PERL_MAGIC_fm vtbl_fm Formline ('compiled' format)
- g PERL_MAGIC_regex_global vtbl_mglob m//g target / study()ed string
+ f PERL_MAGIC_fm vtbl_regdata Formline ('compiled' format)
+ G PERL_MAGIC_study vtbl_regdata study()ed string
+ g PERL_MAGIC_regex_global vtbl_mglob m//g target
H PERL_MAGIC_hints vtbl_hints %^H hash
h PERL_MAGIC_hintselem vtbl_hintselem %^H hash element
I PERL_MAGIC_isa vtbl_isa @ISA array
k PERL_MAGIC_nkeys vtbl_nkeys scalar(keys()) lvalue
L PERL_MAGIC_dbfile (none) Debugger %_<filename
l PERL_MAGIC_dbline vtbl_dbline Debugger %_<filename element
- o PERL_MAGIC_collxfrm vtbl_collxfrm Locale collate transformation
+ N PERL_MAGIC_shared (none) Shared between threads
+ n PERL_MAGIC_shared_scalar (none) Shared between threads
+ o PERL_MAGIC_collxfrm vtbl_collxfrm Locale transformation
P PERL_MAGIC_tied vtbl_pack Tied array or hash
p PERL_MAGIC_tiedelem vtbl_packelem Tied array or hash element
q PERL_MAGIC_tiedscalar vtbl_packelem Tied scalar or handle
- r PERL_MAGIC_qr vtbl_qr precompiled qr// regex
- S PERL_MAGIC_sig vtbl_sig %SIG hash
+ r PERL_MAGIC_qr vtbl_regexp precompiled qr// regex
+ S PERL_MAGIC_sig (none) %SIG hash
s PERL_MAGIC_sigelem vtbl_sigelem %SIG hash element
t PERL_MAGIC_taint vtbl_taint Taintedness
U PERL_MAGIC_uvar vtbl_uvar Available for use by extensions
+ u PERL_MAGIC_uvar_elem (none) Reserved for use by extensions
+ V PERL_MAGIC_vstring (none) SV was vstring literal
v PERL_MAGIC_vec vtbl_vec vec() lvalue
- V PERL_MAGIC_vstring (none) v-string scalars
- w PERL_MAGIC_utf8 vtbl_utf8 UTF-8 length+offset cache
+ w PERL_MAGIC_utf8 vtbl_utf8 Cached UTF-8 information
x PERL_MAGIC_substr vtbl_substr substr() lvalue
y PERL_MAGIC_defelem vtbl_defelem Shadow "foreach" iterator
variable / smart parameter
vivification
- # PERL_MAGIC_arylen vtbl_arylen Array length ($#ary)
- . PERL_MAGIC_pos vtbl_pos pos() lvalue
- < PERL_MAGIC_backref vtbl_backref back pointer to a weak ref
+ ] PERL_MAGIC_checkcall (none) inlining/mutation of call to
+ this CV
~ PERL_MAGIC_ext (none) Available for use by extensions
- : PERL_MAGIC_symtab (none) hash used as symbol table
- % PERL_MAGIC_rhash (none) hash used as restricted hash
- @ PERL_MAGIC_arylen_p vtbl_arylen_p pointer to $#a from @a
When an uppercase and lowercase letter both exist in the table, then the
an C<SV> through the functions C<hv_store_ent>, C<hv_fetch_ent>,
C<hv_delete_ent>, and C<hv_exists_ent>. Accessing the key as a string
through the functions without the C<..._ent> suffix circumvents the
-hook. See L<Hash::Util::Fieldhash/Guts> for a detailed description.
+hook. See L<Hash::Util::FieldHash/GUTS> for a detailed description.
Note that because multiple extensions may be using C<PERL_MAGIC_ext>
or C<PERL_MAGIC_uvar> magic, it is important for extensions to take
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