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primguts.c
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/*-
* Copyright (c) 1997-2002 The Protein Laboratory, University of Copenhagen
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id$
*/
/* Guts library, main file */
#define GENERATE_TABLE_GENERATOR yes
#include "apricot.h"
#include <sys/types.h>
#include <stdio.h>
#include <stdarg.h>
#include <float.h>
#include <dirent.h>
#include "guts.h"
#include "Object.h"
#include "Component.h"
#include "File.h"
#include "Clipboard.h"
#include "DeviceBitmap.h"
#include "Drawable.h"
#include "Widget.h"
#include "Window.h"
#include "Image.h"
#include "Icon.h"
#include "AbstractMenu.h"
#include "AccelTable.h"
#include "Menu.h"
#include "Popup.h"
#include "Application.h"
#include "Timer.h"
#include "Utils.h"
#include "Printer.h"
#include "img_conv.h"
#define USE_MAGICAL_STORAGE 0
#define MODULE "Prima Guts"
#include <Types.inc>
#ifdef __cplusplus
extern "C" {
#endif
#include "thunks.tinc"
#if defined(_MSC_VER) && defined(PERL_OBJECT)
XSLockManager g_XSLock;
CPerlObj* pPerl;
#endif
static PHash vmtHash = nil;
static List staticObjects;
static List staticHashes;
static int prima_init_ok = 0;
Handle application = nilHandle;
long apcError = 0;
List postDestroys;
int recursiveCall = 0;
PHash primaObjects = nil;
SV * eventHook = nil;
char *
duplicate_string( const char *s)
{
int l;
char *d;
if (!s) return nil;
l = strlen( s) + 1;
d = ( char*)malloc( l);
if ( d) memcpy( d, s, l);
return d;
}
void *
prima_mallocz( size_t sz)
{
void *p = malloc( sz);
if (p)
bzero( p, sz);
return p;
}
char *
prima_normalize_resource_string( char *name, Bool isClass)
{
static Bool initialize = true;
static char table[256];
int i;
unsigned char *s;
if ( initialize) {
for ( i = 0; i < 256; i++) {
table[i] = isalnum(i) ? i : '_';
}
table[0] = 0;
initialize = false;
}
s = (unsigned char*)name;
while (*s) {
*s = table[*s];
s++;
}
name[0] = isClass ? toupper(name[0]) : tolower(name[0]);
return name;
}
#ifndef HAVE_BZERO
void
bzero( void * data, size_t size)
{
memset( data, 0, size);
}
#endif
#ifdef PRIMA_NEED_OWN_STRICMP
int
stricmp(const char *s1, const char *s2)
{
/* Code was taken from FreeBSD 4.0 /usr/src/lib/libc/string/strcasecmp.c */
const unsigned char *u1 = (const unsigned char *)s1;
const unsigned char *u2 = (const unsigned char *)s2;
while (tolower(*u1) == tolower(*u2++))
if (*u1++ == '\0')
return 0;
return (tolower(*u1) - tolower(*--u2));
}
#endif
#ifdef PRIMA_NEED_OWN_STRNICMP
int
strnicmp(const char *s1, const char *s2, size_t count)
{
const unsigned char *u1 = (const unsigned char *)s1;
const unsigned char *u2 = (const unsigned char *)s2;
if ( count == 0) return 0;
while (tolower(*u1) == tolower(*u2++))
if (--count == 0 || *u1++ == '\0')
return 0;
return (tolower(*u1) - tolower(*--u2));
}
#endif
#ifndef HAVE_STRCASESTR
/* Code was taken from FreeBSD 4.8 /usr/src/lib/libc/string/strcasestr.c */
char *
strcasestr( register const char * s, register const char * find)
{
register char c, sc;
register size_t len;
if ((c = *find++) != 0) {
c = tolower((unsigned char)c);
len = strlen(find);
do {
do {
if ((sc = *s++) == 0)
return (NULL);
} while ((char)tolower((unsigned char)sc) != c);
} while (strnicmp(s, find, len) != 0);
s--;
}
return ((char *)s);
}
#endif
#ifndef HAVE_REALLOCF
/*
This code was taken from FreeBSD 4.0 /usr/src/lib/libc/stdlib/reallocf.c
Thanks, Poul Henning! :-)
*/
void *
reallocf(void *ptr, size_t size)
{
void *nptr;
nptr = realloc(ptr, size);
if (!nptr && ptr)
free(ptr);
return (nptr);
}
#endif
#if ! ( defined( HAVE_SNPRINTF) || defined( HAVE__SNPRINTF))
/*
* It is stupid, but Borland C/C++ 5.02 doesn't have snprintf/vsnprintf in its
* RTL.
*/
int
vsnprintf( char *buf, size_t len, const char *format, va_list args)
{
int rc;
rc = vsprintf( buf, format, args);
if ( rc >= len) {
/* We'd better die here rather than wait for memory corruption consequences! */
fprintf( stderr, "snprintf/vsnprintf buffer overflow, memory corruption possible. Blame Borland for this error!");
exit( 1);
}
return rc;
}
int
snprintf( char *buf, size_t len, const char *format, ...)
{
int rc;
va_list args;
va_start( args, format);
rc = vsnprintf( buf, len, format, args);
va_end( args);
return rc;
}
#endif
#ifdef PERL_CALL_SV_DIE_BUG_AWARE
I32
clean_perl_call_method( char* methname, I32 flags)
{
I32 ret;
dPUB_ARGS;
dG_EVAL_ARGS;
if ( !( flags & G_EVAL)) { OPEN_G_EVAL; }
ret = perl_call_method( methname, flags | G_EVAL);
if ( SvTRUE( GvSV( PL_errgv))) {
PUB_CHECK;
if (( flags & (G_SCALAR|G_DISCARD|G_ARRAY)) == G_SCALAR) {
dSP;
SPAGAIN;
(void)POPs;
}
if ( flags & G_EVAL) return ret;
CLOSE_G_EVAL;
croak( "%s", SvPV_nolen( GvSV( PL_errgv)));
}
if ( !( flags & G_EVAL)) { CLOSE_G_EVAL; }
return ret;
}
I32
clean_perl_call_pv( char* subname, I32 flags)
{
I32 ret;
dPUB_ARGS;
dG_EVAL_ARGS;
if ( !( flags & G_EVAL)) { OPEN_G_EVAL; }
ret = perl_call_pv( subname, flags | G_EVAL);
if ( SvTRUE( GvSV( PL_errgv))) {
PUB_CHECK;
if (( flags & (G_SCALAR|G_DISCARD|G_ARRAY)) == G_SCALAR) {
dSP;
SPAGAIN;
(void)POPs;
}
if ( flags & G_EVAL) return ret;
CLOSE_G_EVAL;
croak( "%s", SvPV_nolen( GvSV( PL_errgv)));
}
if ( !( flags & G_EVAL)) { CLOSE_G_EVAL; }
return ret;
}
#endif
SV *
eval( char *string)
{
return perl_eval_pv( string, FALSE);
}
Handle
create_mate( SV *perlObject)
{
PAnyObject object;
Handle self = nilHandle;
char *className;
PVMT vmt;
/* finding the vmt */
className = HvNAME( SvSTASH( SvRV( perlObject))); if ( !className) return 0;
vmt = gimme_the_vmt( className); if ( !vmt) return 0;
/* allocating an instance */
object = ( PAnyObject) malloc( vmt-> instanceSize);
if ( !object) return nilHandle;
memset( object, 0, vmt-> instanceSize);
object-> self = ( PVMT) vmt;
object-> super = ( PVMT *) vmt-> super;
if (USE_MAGICAL_STORAGE)
{
/* assigning the tilde-magic */
MAGIC *mg;
sv_magic( SvRV( perlObject), SvRV( perlObject), '~', (char*)&object, sizeof(void*));
if ( !SvMAGICAL( SvRV( perlObject)) || !(mg = mg_find( SvRV( perlObject), '~')) || mg-> mg_len < sizeof(void*))
{
croak( "GUTS006: create_mate() magic trick failed.\n");
return 0;
}
}
else
{
/* another scheme, uses hash slot */
(void) hv_store( (HV*)SvRV( perlObject), "__CMATE__", 9, newSViv( PTR2IV(object)), 0);
}
/* extra check */
self = gimme_the_mate( perlObject);
if ( self != (Handle)object)
croak( "GUTS007: create_mate() consistency check failed.\n");
return self;
}
Handle
gimme_the_real_mate( SV *perlObject)
{
if (USE_MAGICAL_STORAGE)
{
MAGIC *mg;
return
SvROK( perlObject) &&
SvMAGICAL(SvRV( perlObject)) &&
(mg = mg_find( SvRV( perlObject), '~')) &&
(mg-> mg_len >= sizeof(void*)) ?
(Handle)*((void**)(mg-> mg_ptr)) : nilHandle;
}
else
{
HV *obj;
SV **mate;
if ( !SvROK( perlObject)) return nilHandle;
obj = (HV*)SvRV( perlObject);
if ( SvTYPE((SV*)obj) != SVt_PVHV) return nilHandle;
mate = hv_fetch( obj, "__CMATE__", 9, 0);
if ( mate == nil) return nilHandle;
return SvIV( *mate);
}
}
Handle
gimme_the_mate( SV *perlObject)
{
Handle cMate;
cMate = gimme_the_real_mate( perlObject);
return (( cMate == nilHandle) || ((( PObject) cMate)-> stage == csDead)) ? nilHandle : cMate;
}
XS( create_from_Perl)
{
dXSARGS;
if (( items - 2 + 1) % 2 != 0)
croak("Invalid usage of Prima::Object::create");
{
Handle _c_apricot_res_;
HV *hv = parse_hv( ax, sp, items, mark, 2 - 1, "Object_create");
_c_apricot_res_ = Object_create(
( char*) SvPV_nolen( ST( 0)),
hv
);
SPAGAIN;
SP -= items;
if ( _c_apricot_res_ && (( PAnyObject) _c_apricot_res_)-> mate && (( PAnyObject) _c_apricot_res_)-> mate != nilSV)
{
XPUSHs( sv_mortalcopy((( PAnyObject) _c_apricot_res_)-> mate));
--SvREFCNT( SvRV((( PAnyObject) _c_apricot_res_)-> mate));
} else XPUSHs( &PL_sv_undef);
/* push_hv( ax, sp, items, mark, 1, hv); */
sv_free(( SV *) hv);
}
PUTBACK;
return;
}
XS( destroy_from_Perl)
{
dXSARGS;
Handle self;
if ( items != 1)
croak ("Invalid usage of Prima::Object::destroy");
self = gimme_the_real_mate( ST( 0));
if ( self == nilHandle)
croak( "Illegal object reference passed to Prima::Object::destroy");
{
Object_destroy( self);
}
XSRETURN_EMPTY;
}
static PAnyObject killChain = nil;
static PObject ghostChain = nil;
void
kill_zombies( void)
{
while ( killChain != nil)
{
PAnyObject killee = killChain;
killChain = killee-> killPtr;
free( killee);
}
}
void
protect_object( Handle obj)
{
PObject o = (PObject)obj;
if ( o-> protectCount >= 0) o-> protectCount++;
}
void
unprotect_object( Handle obj)
{
PObject o = (PObject)obj;
if (!o || o-> protectCount<=0)
return;
o-> protectCount--;
if (o-> protectCount>0) return;
if (o-> stage == csDead || o-> mate == nil || o-> mate == nilSV)
{
PObject ghost, lg;
lg = nil;
ghost = ghostChain;
while ( ghost != nil && ghost != o)
{
lg = ghost;
ghost = (PObject)(ghost-> killPtr);
}
if ( ghost == o)
{
if ( lg == nil)
ghostChain = (PObject)(o-> killPtr);
else
lg-> killPtr = o-> killPtr;
o-> killPtr = killChain;
killChain = (PAnyObject)o;
}
}
}
XS( destroy_mate)
{
dXSARGS;
Handle self;
if ( items != 1)
croak ("Invalid usage of ::destroy_mate");
self = gimme_the_real_mate( ST( 0));
if ( self == nilHandle)
croak( "Illegal object reference passed to ::destroy_mate");
{
Object_destroy( self);
if (((PObject)self)-> protectCount > 0)
{
(( PObject) self)-> killPtr = (PAnyObject)ghostChain;
ghostChain = ( PObject) self;
}
else
{
free(( void*) self);
}
}
XSRETURN_EMPTY;
}
Bool
kind_of( Handle object, void *cls)
{
PVMT vmt = object ? (( PAnyObject) object)-> self : nil;
while (( vmt != nil) && ( vmt != cls))
vmt = vmt-> base;
return vmt != nil;
}
CV *
query_method( Handle object, char *methodName, Bool cacheIt)
{
if ( object == nilHandle)
return nil;
return sv_query_method((( PObject) object)-> mate, methodName, cacheIt);
}
CV *
sv_query_method( SV *sv, char *methodName, Bool cacheIt)
{
HV *stash = nil;
if ( SvROK( sv)) {
sv = (SV*)SvRV( sv);
if ( SvOBJECT( sv))
stash = SvSTASH(sv);
} else {
stash = gv_stashsv( sv, false);
}
if ( stash) {
GV *gv = gv_fetchmeth( stash, methodName, strlen( methodName), cacheIt ? 0 : -1);
if ( gv && isGV( gv))
return GvCV(gv);
}
return nil;
}
static void
register_notifications( PVMT vmt)
{
SV *package;
SV *nt_sub;
SV *nt_ref;
HV *nt;
PVMT v = vmt;
HE *he;
char buf[ 1024];
while (( v != nil) && ( v != (PVMT) CComponent)) v = v-> base;
if (!v) return;
package = newSVpv( vmt-> className, 0);
if ( !package) croak( "GUTS016: Not enough memory");
nt_sub = ( SV*) sv_query_method( package, "notification_types", 0);
if ( !nt_sub) croak( "GUTS016: Invalid package %s", vmt-> className);
nt_ref = cv_call_perl( package, nt_sub, "<");
if ( !nt_ref || !SvROK(nt_ref) || SvTYPE(SvRV(nt_ref)) != SVt_PVHV)
croak( "GUTS016: %s: Bad notification_types() return value", vmt-> className);
nt = (HV*)SvRV(nt_ref);
hv_iterinit( nt);
while (( he = hv_iternext( nt)) != nil) {
snprintf( buf, 1024, "on%s", HeKEY( he));
if (sv_query_method( package, buf, 0)) continue;
snprintf( buf, 1024, "%s::on%s", vmt-> className, HeKEY( he));
newXS( buf, Component_set_notification_FROMPERL, vmt-> className);
}
sv_free( package);
}
XS(Prima_options)
{
dXSARGS;
char * option, * value = nil;
(void)items;
switch ( items) {
case 0:
{
int i, argc = 0;
char ** argv;
window_subsystem_get_options( &argc, &argv);
EXTEND( sp, argc);
for ( i = 0; i < argc; i++)
PUSHs( sv_2mortal( newSVpv( argv[i], 0)));
PUTBACK;
return;
}
break;
case 2:
value = (SvOK( ST(1)) ? ( char*) SvPV_nolen( ST(1)) : nil);
case 1:
option = ( char*) SvPV_nolen( ST(0));
window_subsystem_set_option( option, value);
break;
default:
croak("Invalid call to Prima::options");
}
SPAGAIN;
XSRETURN_EMPTY;
}
XS(Prima_init)
{
dXSARGS;
char error_buf[256] = "Error initializing Prima";
(void)items;
if ( items < 1) croak("Invalid call to Prima::init");
{
SV * ref;
SV * package = newSVpv( "Prima::Object", 0);
if ( !package) croak( "GUTS016: Not enough memory");
ref = ( SV *) sv_query_method( package, "profile_default", 0);
sv_free( package);
if ( !ref) croak("'use Prima;' call required in main script");
}
if ( prima_init_ok == 0) {
register_notifications((PVMT)CComponent);
register_notifications((PVMT)CFile);
register_notifications((PVMT)CAbstractMenu);
register_notifications((PVMT)CAccelTable);
register_notifications((PVMT)CMenu);
register_notifications((PVMT)CPopup);
register_notifications((PVMT)CClipboard);
register_notifications((PVMT)CTimer);
register_notifications((PVMT)CDrawable);
register_notifications((PVMT)CImage);
register_notifications((PVMT)CIcon);
register_notifications((PVMT)CDeviceBitmap);
register_notifications((PVMT)CWidget);
register_notifications((PVMT)CWindow);
register_notifications((PVMT)CApplication);
register_notifications((PVMT)CPrinter);
prima_init_ok++;
}
if ( prima_init_ok == 1) {
prima_init_image_subsystem();
prima_init_ok++;
}
if ( prima_init_ok == 2) {
if ( !window_subsystem_init( error_buf))
croak( "%s", error_buf);
prima_init_ok++;
}
SPAGAIN;
XSRETURN_EMPTY;
}
XS( Prima_message_FROMPERL)
{
dXSARGS;
(void)items;
if ( items != 1)
croak("Invalid usage of Prima::%s", "message");
apc_show_message((char*) SvPV_nolen( ST(0)), prima_is_utf8_sv(ST(0)));
XSRETURN_EMPTY;
}
XS( Prima_dl_export)
{
dXSARGS;
(void)items;
if ( items != 1)
croak("Invalid usage of Prima::%s", "dl_export");
apc_dl_export((char*) SvPV_nolen( ST(0)));
XSRETURN_EMPTY;
}
Bool
build_dynamic_vmt( void *vvmmtt, const char *ancestorName, int ancestorVmtSize)
{
PVMT vmt = ( PVMT) vvmmtt;
PVMT ancestorVmt = gimme_the_vmt( ancestorName);
int i, n;
void **to, **from;
if ( ancestorVmt == nil)
{
warn( "GUTS001: Cannot locate base class \"%s\" of class \"%s\"\n", ancestorName, vmt-> className);
return false;
}
if ( ancestorVmt-> base != ancestorVmt-> super)
{
warn( "GUTS002: Cannot inherit C-class \"%s\" from Perl-class \"%s\"\n", vmt-> className, ancestorName);
return false;
}
vmt-> base = vmt-> super = ancestorVmt;
n = (ancestorVmtSize - sizeof(VMT)) / sizeof( void *);
from = (void **)((char *)ancestorVmt + sizeof(VMT));
to = (void **)((char *)vmt + sizeof(VMT));
for ( i = 0; i < n; i++) if ( to[i] == nil) to[i] = from[i];
build_static_vmt( vmt);
register_notifications( vmt);
return true;
}
void
build_static_vmt( void *vvmmtt)
{
PVMT vmt = ( PVMT) vvmmtt;
hash_store( vmtHash, vmt-> className, strlen( vmt-> className), vmt);
}
#ifdef PARANOID_MALLOC
static unsigned long
timestamp( void);
#endif
PVMT
gimme_the_vmt( const char *className)
{
PVMT vmt;
PVMT originalVmt = nil;
int vmtSize;
HV *stash;
SV **proc;
char *newClassName;
int i;
void **addr;
SV **vmtAddr;
SV **isaGlob;
SV **inheritedName;
VmtPatch *patch; int patchLength;
PVMT patchWhom;
/* Check whether this class has been already built... */
vmtAddr = ( SV **) hash_fetch( vmtHash, (char *)className, strlen( className));
if ( vmtAddr != nil) return ( PVMT) vmtAddr;
/* No; try to find inherited VMT... */
stash = gv_stashpv( (char *)className, false);
if ( stash == nil)
{
croak( "GUTS003: Cannot locate package %s\n", className);
return nil; /* Definitely wrong! */
}
isaGlob = hv_fetch( stash, "ISA", 3, 0);
if (! (( isaGlob == nil) ||
( *isaGlob == nil) ||
( !GvAV(( GV *) *isaGlob)) ||
( av_len( GvAV(( GV *) *isaGlob)) < 0)
))
{
/* ISA found! */
inheritedName = av_fetch( GvAV(( GV *) *isaGlob), 0, 0);
if ( inheritedName != nil)
originalVmt = gimme_the_vmt( SvPV_nolen( *inheritedName));
else
return nil; /* The error message will be printed by the previous incarnation */
}
if ( !originalVmt) {
croak( "GUTS005: Error finding ancestor's VMT for %s\n", className);
return nil;
}
/* Do we really need to do this? */
if ( strEQ( className, originalVmt-> className))
return originalVmt;
#ifdef PARANOID_MALLOC
debug_write( "%lu Dynamic vmt creation (%d) for %s\n", timestamp(), originalVmt-> vmtSize, className);
#endif
vmtSize = originalVmt-> vmtSize;
vmt = ( PVMT) malloc( vmtSize);
if ( !vmt) return nil;
memcpy( vmt, originalVmt, vmtSize);
newClassName = duplicate_string( className);
vmt-> className = newClassName;
vmt-> base = originalVmt;
/* Not particularly effective now... */
patchWhom = originalVmt;
while ( patchWhom != nil)
{
if ( patchWhom-> base == patchWhom-> super)
{
patch = patchWhom-> patch;
patchLength = patchWhom-> patchLength;
for ( i = 0; i < patchLength; i++)
{
proc = hv_fetch( stash, patch[ i]. name, strlen( patch[ i]. name), 0);
if (! (( proc == nil) || ( *proc == nil) || ( !GvCV(( GV *) *proc))))
{
addr = ( void **)((( char *)vmt) + ((( char *)( patch[ i]. vmtAddr)) - (( char *)patchWhom)));
*addr = patch[ i]. procAddr;
}
}
}
patchWhom = patchWhom-> base;
}
/* Store newly created vmt into our hash... */
hash_store( vmtHash, (char *)className, strlen( className), vmt);
list_add( &staticObjects, (Handle) vmt);
list_add( &staticObjects, (Handle) vmt-> className);
register_notifications( vmt);
return vmt;
}
SV *
notify_perl( Handle self, char *methodName, const char *format, ...)
{
SV *toReturn;
char subName[ 256];
va_list params;
snprintf( subName, 256, "%s_%s", (( PComponent) self)-> name, methodName);
va_start( params, format);
toReturn = call_perl_indirect((( PComponent) self)-> owner,
subName, format, true, false, params);
va_end( params);
return toReturn;
}
SV *
call_perl( Handle self, char *subName, const char *format, ...)
{
SV *toReturn;
va_list params;
va_start( params, format);
toReturn = call_perl_indirect( self, subName, format, true, false, params);
va_end( params);
return toReturn;
}
SV *
sv_call_perl( SV * mate, char *subName, const char *format, ...)
{
SV *toReturn;
va_list params;
va_start( params, format);
toReturn = call_perl_indirect(( Handle) mate, subName, format, false, false, params);
va_end( params);
return toReturn;
}
SV *
cv_call_perl( SV * mate, SV * coderef, const char *format, ...)
{
SV *toReturn;
va_list params;
va_start( params, format);
toReturn = call_perl_indirect(( Handle) mate, (char*)coderef, format, false, true, params);
va_end( params);
return toReturn;
}
SV *
call_perl_indirect( Handle self, char *subName, const char *format, Bool c_decl, Bool coderef, va_list params)
{
int i;
Handle _Handle;
int _int;
char * _string;
double _number;
Point _Point;
Rect _Rect;
SV * _SV;
Bool returns = false;
SV *toReturn = nil;
int retCount;
int stackExtend = 1;
if ( coderef)
{
if ( SvTYPE(( SV *) subName) != SVt_PVCV) return toReturn;
} else {
if ( c_decl && !query_method ( self, subName, 0))
return toReturn;
if ( !c_decl && !sv_query_method(( SV *) self, subName, 0))
return &PL_sv_undef;
}
if ( format[ 0] == '<')
{
format += 1;
returns = true;
}
/* Parameter check */
i = 0;
while ( format[ i] != '\0')
{
switch ( format[ i])
{
case 'i':
case 's':
case 'n':
case 'H':
case 'S':
stackExtend++;
break;
case 'P':
stackExtend += 2;
break;
case 'R':
stackExtend += 4;
break;
default:
croak( "GUTS004: Illegal parameter description (%c) in call to %s()",
format[ i], ( coderef) ? "code reference" : subName);
return toReturn;
}
i++;
}
{
dSP;
ENTER;
SAVETMPS;
PUSHMARK( sp);
EXTEND( sp, stackExtend);
PUSHs(( c_decl) ? (( PAnyObject) self)-> mate : ( SV *) self);
i = 0;
while ( format[ i] != '\0')
{
switch ( format[ i])
{
case 'i':
_int = va_arg( params, int);
PUSHs( sv_2mortal( newSViv( _int)));
break;
case 's':
_string = va_arg( params, char *);
PUSHs( sv_2mortal( newSVpv( _string, 0)));
break;
case 'n':
_number = va_arg( params, double);
PUSHs( sv_2mortal( newSVnv( _number)));
break;
case 'S':
_SV = va_arg( params, SV *);
PUSHs( sv_2mortal( newSVsv( _SV)));
break;
case 'P':
_Point = va_arg( params, Point);
PUSHs( sv_2mortal( newSViv( _Point. x)));
PUSHs( sv_2mortal( newSViv( _Point. y)));
break;
case 'H':
_Handle = va_arg( params, Handle);
PUSHs( _Handle ? (( PAnyObject) _Handle)-> mate : nilSV);
break;
case 'R':
_Rect = va_arg( params, Rect);
PUSHs( sv_2mortal( newSViv( _Rect. left)));
PUSHs( sv_2mortal( newSViv( _Rect. bottom)));
PUSHs( sv_2mortal( newSViv( _Rect. right)));
PUSHs( sv_2mortal( newSViv( _Rect. top)));
break;
}
i++;
}
PUTBACK;
if ( returns)
{
#ifdef PERL_CALL_SV_DIE_BUG_AWARE
dPUB_ARGS;
dG_EVAL_ARGS;
OPEN_G_EVAL;
retCount = ( coderef) ?
perl_call_sv(( SV *) subName, G_SCALAR|G_EVAL) :
perl_call_method( subName, G_SCALAR|G_EVAL);
SPAGAIN;
if ( SvTRUE( GvSV( PL_errgv)))
{
(void)POPs;
PUB_CHECK;
CLOSE_G_EVAL;
croak( "%s", SvPV_nolen( GvSV( PL_errgv))); /* propagate */
}
CLOSE_G_EVAL;
#else
retCount = ( coderef) ?
perl_call_sv(( SV *) subName, G_SCALAR) :
perl_call_method( subName, G_SCALAR);
SPAGAIN;
#endif
if ( retCount == 1)
{
toReturn = newSVsv( POPs);
}
PUTBACK;
FREETMPS;
LEAVE;