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#ifndef EASYXS_PERLCALL_H
#define EASYXS_PERLCALL_H 1
#include "init.h"
static inline void _EASYXS_SET_ARGS (pTHX_ SV* object, SV** args) {
dSP;
unsigned argscount = 0;
if (args) {
while (args[argscount] != NULL) argscount++;
}
ENTER;
SAVETMPS;
PUSHMARK(SP);
if (object || argscount) {
EXTEND(SP, (object ? 1 : 0) + argscount);
if (object) PUSHs( sv_mortalcopy(object) );
unsigned a=0;
while (a < argscount) mPUSHs( args[a++] );
PUTBACK;
}
}
#define exs_call_sv_void(sv, args) STMT_START { \
_EASYXS_SET_ARGS(aTHX_ NULL, args); \
call_sv(sv, G_DISCARD | G_VOID); \
FREETMPS; \
LEAVE; \
} STMT_END
#define exs_call_method_void(object, methname, args) STMT_START { \
_EASYXS_SET_ARGS(aTHX_ object, args); \
\
call_method( methname, G_DISCARD | G_VOID ); \
\
FREETMPS; \
LEAVE; \
} STMT_END
static inline SV* _easyxs_fetch_scalar_return (pTHX_ int count) {
dSP;
SPAGAIN;
SV* ret;
if (count == 0) {
ret = &PL_sv_undef;
}
else {
ret = SvREFCNT_inc(POPs);
while (count-- > 1) PERL_UNUSED_VAR(POPs);
}
PUTBACK;
FREETMPS;
LEAVE;
return ret;
}
static inline SV** _easyxs_fetch_list_return (pTHX_ int count) {
dSP;
SPAGAIN;
SV** ret;
Newx(ret, 1 + count, SV*);
ret[count] = NULL;
while (count-- > 0) {
ret[count] = SvREFCNT_inc(POPs);
}
PUTBACK;
FREETMPS;
LEAVE;
SAVEFREEPV(ret);
return ret;
}
static inline SV* _easyxs_call_method_scalar (pTHX_ SV* object, const char* methname, SV** args) {
_EASYXS_SET_ARGS(aTHX_ object, args);
int count = call_method(methname, G_SCALAR);
return _easyxs_fetch_scalar_return(aTHX_ count);
}
#define exs_call_method_scalar(object, methname, args) \
_easyxs_call_method_scalar(aTHX_ object, methname, args)
static inline SV* _easyxs_call_sv_scalar (pTHX_ SV* cb, SV** args) {
_EASYXS_SET_ARGS(aTHX_ NULL, args);
int count = call_sv(cb, G_SCALAR);
return _easyxs_fetch_scalar_return(aTHX_ count);
}
#define exs_call_sv_scalar(sv, args) \
_easyxs_call_sv_scalar(aTHX_ sv, args)
static inline SV** _easyxs_call_sv_list (pTHX_ SV* cb, SV** args) {
_EASYXS_SET_ARGS(aTHX_ NULL, args);
int count = call_sv(cb, G_ARRAY);
return _easyxs_fetch_list_return(aTHX_ count);
}
#define exs_call_sv_list(sv, args) \
_easyxs_call_sv_list(aTHX_ sv, args)
#define _handle_trapped_error(count, err_p) STMT_START { \
dSP; \
SV* err_tmp = ERRSV; \
if (SvTRUE(err_tmp)) { \
while (count--) PERL_UNUSED_VAR(POPs); \
\
*err_p = newSVsv(err_tmp); \
\
PUTBACK; \
FREETMPS; \
LEAVE; \
} \
} STMT_END
static inline void _easyxs_call_sv_void_trapped (pTHX_ SV* cb, SV** args, SV** error) {
_EASYXS_SET_ARGS(aTHX_ NULL, args);
int count = call_sv(cb, G_VOID | G_EVAL);
_handle_trapped_error(count, error);
}
#define exs_call_sv_void_trapped(sv, args, err_p) \
_easyxs_call_sv_void_trapped(aTHX_ sv, args, err_p)
static inline SV* _easyxs_call_sv_scalar_trapped (pTHX_ SV* cb, SV** args, SV** error) {
_EASYXS_SET_ARGS(aTHX_ NULL, args);
int count = call_sv(cb, G_SCALAR | G_EVAL);
_handle_trapped_error(count, error);
if (SvTRUE(ERRSV)) return NULL;
return _easyxs_fetch_scalar_return(aTHX_ count);
}
#define exs_call_sv_scalar_trapped(sv, args, err_p) \
_easyxs_call_sv_scalar_trapped(aTHX_ sv, args, err_p)
static inline SV** _easyxs_call_sv_list_trapped (pTHX_ SV* cb, SV** args, SV** error) {
_EASYXS_SET_ARGS(aTHX_ NULL, args);
int count = call_sv(cb, G_ARRAY | G_EVAL);
_handle_trapped_error(count, error);
if (SvTRUE(ERRSV)) return NULL;
return _easyxs_fetch_list_return(aTHX_ count);
}
#define exs_call_sv_list_trapped(sv, args, err_p) \
_easyxs_call_sv_list_trapped(aTHX_ sv, args, err_p)
#endif
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