const char** const type_name) {
- if(SvROK(variable) && SvTYPE(SvRV(variable)) == SVt_PVHV){
- /* e.g. variable = { type => "SCALAR", name => "foo" } */
- HV* const hv = (HV*)SvRV(variable);
- SV** svp;
- STRLEN len;
- const char* pv;
-
- svp = hv_fetchs(hv, "name", FALSE);
- if(!(svp && SvOK(*svp))){
- croak("You must pass a variable name");
- }
- *var_name = SvPV_const(*svp, len);
- *var_name_len = len;
- if(len < 1){
- croak("You must pass a variable name");
- }
-
- svp = hv_fetchs(hv, "type", FALSE);
- if(!(svp && SvOK(*svp))) {
- croak("You must pass a variable type");
- }
- pv = SvPV_nolen_const(*svp);
- if(strEQ(pv, "SCALAR")){
- *type = SVt_PV; /* for all the type of scalars */
- }
- else if(strEQ(pv, "ARRAY")){
- *type = SVt_PVAV;
- }
- else if(strEQ(pv, "HASH")){
- *type = SVt_PVHV;
- }
- else if(strEQ(pv, "CODE")){
- *type = SVt_PVCV;
- }
- else if(strEQ(pv, "GLOB")){
- *type = SVt_PVGV;
- }
- else if(strEQ(pv, "IO")){
- *type = SVt_PVIO;
- }
- else{
- croak("I do not recognize that type '%s'", pv);
- }
- *type_name = pv;
- }
- else {
- STRLEN len;
- const char* pv;
- /* e.g. variable = '$foo' */
- if(!SvOK(variable)) {
- croak("You must pass a variable name");
- }
- pv = SvPV_const(variable, len);
- if(len < 2){
- croak("You must pass a variable name including a sigil");
- }
-
- *var_name = pv + 1;
- *var_name_len = len - 1;
-
- switch(pv[0]){
- case '$':
- *type = SVt_PV; /* for all the types of scalars */
- *type_name = "SCALAR";
- break;
- case '@':
- *type = SVt_PVAV;
- *type_name = "ARRAY";
- break;
- case '%':
- *type = SVt_PVHV;
- *type_name = "HASH";
- break;
- case '&':
- *type = SVt_PVCV;
- *type_name = "CODE";
- break;
- case '*':
- *type = SVt_PVGV;
- *type_name = "GLOB";
- break;
- default:
- croak("I do not recognize that sigil '%c'", pv[0]);
- }
- }
+ if(SvROK(variable) && SvTYPE(SvRV(variable)) == SVt_PVHV){
+ /* e.g. variable = { type => "SCALAR", name => "foo" } */
+ HV* const hv = (HV*)SvRV(variable);
+ SV** svp;
+ STRLEN len;
+ const char* pv;
+
+ svp = hv_fetchs(hv, "name", FALSE);
+ if(!(svp && SvOK(*svp))){
+ croak("You must pass a variable name");
+ }
+ *var_name = SvPV_const(*svp, len);
+ *var_name_len = len;
+ if(len < 1){
+ croak("You must pass a variable name");
+ }
+
+ svp = hv_fetchs(hv, "type", FALSE);
+ if(!(svp && SvOK(*svp))) {
+ croak("You must pass a variable type");
+ }
+ pv = SvPV_nolen_const(*svp);
+ if(strEQ(pv, "SCALAR")){
+ *type = SVt_PV; /* for all the type of scalars */
+ }
+ else if(strEQ(pv, "ARRAY")){
+ *type = SVt_PVAV;
+ }
+ else if(strEQ(pv, "HASH")){
+ *type = SVt_PVHV;
+ }
+ else if(strEQ(pv, "CODE")){
+ *type = SVt_PVCV;
+ }
+ else if(strEQ(pv, "GLOB")){
+ *type = SVt_PVGV;
+ }
+ else if(strEQ(pv, "IO")){
+ *type = SVt_PVIO;
+ }
+ else{
+ croak("I do not recognize that type '%s'", pv);
+ }
+ *type_name = pv;
+ }
+ else {
+ STRLEN len;
+ const char* pv;
+ /* e.g. variable = '$foo' */
+ if(!SvOK(variable)) {
+ croak("You must pass a variable name");
+ }
+ pv = SvPV_const(variable, len);
+ if(len < 2){
+ croak("You must pass a variable name including a sigil");
+ }
+
+ *var_name = pv + 1;
+ *var_name_len = len - 1;
+
+ switch(pv[0]){
+ case '$':
+ *type = SVt_PV; /* for all the types of scalars */
+ *type_name = "SCALAR";
+ break;
+ case '@':
+ *type = SVt_PVAV;
+ *type_name = "ARRAY";
+ break;
+ case '%':
+ *type = SVt_PVHV;
+ *type_name = "HASH";
+ break;
+ case '&':
+ *type = SVt_PVCV;
+ *type_name = "CODE";
+ break;
+ case '*':
+ *type = SVt_PVGV;
+ *type_name = "GLOB";
+ break;
+ default:
+ croak("I do not recognize that sigil '%c'", pv[0]);
+ }
+ }
}
static GV*
mop_get_gv(pTHX_ SV* const self, svtype const type, const char* const var_name, I32 const var_name_len, I32 const flags){
- SV* package_name;
-
- if(!(flags & ~GV_NOADD_MASK)){ /* for shortcut fetching */
- SV* const ns = mop_call0(aTHX_ self, mop_namespace);
- GV** gvp;
- if(!(SvROK(ns) && SvTYPE(SvRV(ns)) == SVt_PVHV)){
- croak("namespace() did not return a hash reference");
- }
- gvp = (GV**)hv_fetch((HV*)SvRV(ns), var_name, var_name_len, FALSE);
- if(gvp && isGV_with_GP(*gvp)){
- return *gvp;
- }
- }
-
- package_name = mop_call0(aTHX_ self, KEY_FOR(name));
-
- if(!SvOK(package_name)){
- croak("name() did not return a defined value");
- }
-
- return gv_fetchpv(Perl_form(aTHX_ "%"SVf"::%s", package_name, var_name), flags, type);
+ SV* package_name;
+
+ if(!(flags & ~GV_NOADD_MASK)){ /* for shortcut fetching */
+ SV* const ns = mop_call0(aTHX_ self, mop_namespace);
+ GV** gvp;
+ if(!(SvROK(ns) && SvTYPE(SvRV(ns)) == SVt_PVHV)){
+ croak("namespace() did not return a hash reference");
+ }
+ gvp = (GV**)hv_fetch((HV*)SvRV(ns), var_name, var_name_len, FALSE);
+ if(gvp && isGV_with_GP(*gvp)){
+ return *gvp;
+ }
+ }
+
+ package_name = mop_call0(aTHX_ self, KEY_FOR(name));
+
+ if(!SvOK(package_name)){
+ croak("name() did not return a defined value");
+ }
+
+ return gv_fetchpv(Perl_form(aTHX_ "%"SVf"::%s", package_name, var_name), flags, type);
}
static SV*
mop_gv_elem(pTHX_ GV* const gv, svtype const type, I32 const add){
- SV* sv;
-
- if(!gv){
- return NULL;
- }
-
- assert(isGV_with_GP(gv));
-
- switch(type){
- case SVt_PVAV:
- sv = (SV*)(add ? GvAVn(gv) : GvAV(gv));
- break;
- case SVt_PVHV:
- sv = (SV*)(add ? GvHVn(gv) : GvHV(gv));
- break;
- case SVt_PVCV:
- sv = (SV*)GvCV(gv);
- break;
- case SVt_PVIO:
- sv = (SV*)(add ? GvIOn(gv) : GvIO(gv));
- break;
- case SVt_PVGV:
- sv = (SV*)gv;
- break;
- default: /* SCALAR */
- sv = add ? GvSVn(gv) : GvSV(gv);
- break;
- }
-
- return sv;
+ SV* sv;
+
+ if(!gv){
+ return NULL;
+ }
+
+ assert(isGV_with_GP(gv));
+
+ switch(type){
+ case SVt_PVAV:
+ sv = (SV*)(add ? GvAVn(gv) : GvAV(gv));
+ break;
+ case SVt_PVHV:
+ sv = (SV*)(add ? GvHVn(gv) : GvHV(gv));
+ break;
+ case SVt_PVCV:
+ sv = (SV*)GvCV(gv);
+ break;
+ case SVt_PVIO:
+ sv = (SV*)(add ? GvIOn(gv) : GvIO(gv));
+ break;
+ case SVt_PVGV:
+ sv = (SV*)gv;
+ break;
+ default: /* SCALAR */
+ sv = add ? GvSVn(gv) : GvSV(gv);
+ break;
+ }
+
+ return sv;
}
SV*
add_package_symbol(SV* self, SV* variable, SV* ref = &PL_sv_undef)
PREINIT:
- svtype type;
- const char* type_name;
- const char* var_name;
- STRLEN var_name_len;
- GV* gv;
+ svtype type;
+ const char* type_name;
+ const char* var_name;
+ STRLEN var_name_len;
+ GV* gv;
CODE:
- mop_deconstruct_variable_name(aTHX_ variable, &var_name, &var_name_len, &type, &type_name);
- gv = mop_get_gv(aTHX_ self, type, var_name, var_name_len, GV_ADDMULTI);
-
- if(SvOK(ref)){ /* add_package_symbol with a value */
- if(type == SVt_PV){
- if(!SvROK(ref)){
- ref = newRV_noinc(newSVsv(ref));
- sv_2mortal(ref);
- }
- }
- else if(!(SvROK(ref) && SvTYPE(SvRV(ref)) == type)){
- croak("You must pass a reference of %s for the value of %s", type_name, GvNAME(CvGV(cv)));
- }
-
- if(type == SVt_PVCV && GvCV(gv)){
- /* XXX: clear it before redefinition */
- SvREFCNT_dec(GvCV(gv));
- GvCV(gv) = NULL;
- }
- sv_setsv_mg((SV*)gv, ref); /* magical assignment into type glob (*glob = $ref) */
-
- if(type == SVt_PVCV){ /* name a subroutine */
- CV* const subr = (CV*)SvRV(ref);
- if(CvANON(subr)
- && CvGV(subr)
- && isGV(CvGV(subr))
- && strEQ(GvNAME(CvGV(subr)), "__ANON__")){
-
- CvGV(subr) = gv;
- CvANON_off(subr);
- }
- }
- RETVAL = ref;
- SvREFCNT_inc_simple_void_NN(ref);
- }
- else{
- SV* const sv = mop_gv_elem(aTHX_ gv, type, GV_ADDMULTI);
- RETVAL = (sv && GIMME_V != G_VOID) ? newRV_inc(sv) : &PL_sv_undef;
- }
+ mop_deconstruct_variable_name(aTHX_ variable, &var_name, &var_name_len, &type, &type_name);
+ gv = mop_get_gv(aTHX_ self, type, var_name, var_name_len, GV_ADDMULTI);
+
+ if(SvOK(ref)){ /* add_package_symbol with a value */
+ if(type == SVt_PV){
+ if(!SvROK(ref)){
+ ref = newRV_noinc(newSVsv(ref));
+ sv_2mortal(ref);
+ }
+ }
+ else if(!(SvROK(ref) && SvTYPE(SvRV(ref)) == type)){
+ croak("You must pass a reference of %s for the value of %s", type_name, GvNAME(CvGV(cv)));
+ }
+
+ if(type == SVt_PVCV && GvCV(gv)){
+ /* XXX: clear it before redefinition */
+ SvREFCNT_dec(GvCV(gv));
+ GvCV(gv) = NULL;
+ }
+ sv_setsv_mg((SV*)gv, ref); /* magical assignment into type glob (*glob = $ref) */
+
+ if(type == SVt_PVCV){ /* name a subroutine */
+ CV* const subr = (CV*)SvRV(ref);
+ if(CvANON(subr)
+ && CvGV(subr)
+ && isGV(CvGV(subr))
+ && strEQ(GvNAME(CvGV(subr)), "__ANON__")){
+
+ CvGV(subr) = gv;
+ CvANON_off(subr);
+ }
+ }
+ RETVAL = ref;
+ SvREFCNT_inc_simple_void_NN(ref);
+ }
+ else{
+ SV* const sv = mop_gv_elem(aTHX_ gv, type, GV_ADDMULTI);
+ RETVAL = (sv && GIMME_V != G_VOID) ? newRV_inc(sv) : &PL_sv_undef;
+ }
OUTPUT:
- RETVAL
+ RETVAL
bool
has_package_symbol(SV* self, SV* variable)
PREINIT:
- svtype type;
- const char* type_name;
- const char* var_name;
- STRLEN var_name_len;
- GV* gv;
+ svtype type;
+ const char* type_name;
+ const char* var_name;
+ STRLEN var_name_len;
+ GV* gv;
CODE:
- mop_deconstruct_variable_name(aTHX_ variable, &var_name, &var_name_len, &type, &type_name);
- gv = mop_get_gv(aTHX_ self, type, var_name, var_name_len, 0);
- RETVAL = mop_gv_elem(aTHX_ gv, type, FALSE) ? TRUE : FALSE;
+ mop_deconstruct_variable_name(aTHX_ variable, &var_name, &var_name_len, &type, &type_name);
+ gv = mop_get_gv(aTHX_ self, type, var_name, var_name_len, 0);
+ RETVAL = mop_gv_elem(aTHX_ gv, type, FALSE) ? TRUE : FALSE;
OUTPUT:
- RETVAL
+ RETVAL
SV*
get_package_symbol(SV* self, SV* variable, ...)
PREINIT:
- svtype type;
- const char* type_name;
- const char* var_name;
- STRLEN var_name_len;
- I32 flags = 0;
- GV* gv;
- SV* sv;
+ svtype type;
+ const char* type_name;
+ const char* var_name;
+ STRLEN var_name_len;
+ I32 flags = 0;
+ GV* gv;
+ SV* sv;
CODE:
- { /* parse options */
- I32 i;
- if((items % 2) != 0){
- croak("Odd number of arguments for get_package_symbol()");
- }
- for(i = 2; i < items; i += 2){
- SV* const opt = ST(i);
- SV* const val = ST(i+1);
- if(strEQ(SvPV_nolen_const(opt), "create")){
- if(SvTRUE(val)){
- flags |= GV_ADDMULTI;
- }
- else{
- flags &= ~GV_ADDMULTI;
- }
- }
- else{
- warn("Unknown option \"%"SVf"\" for get_package_symbol()", opt);
- }
- }
- }
- mop_deconstruct_variable_name(aTHX_ variable, &var_name, &var_name_len, &type, &type_name);
- gv = mop_get_gv(aTHX_ self, type, var_name, var_name_len, flags);
- sv = mop_gv_elem(aTHX_ gv, type, FALSE);
-
- RETVAL = sv ? newRV_inc(sv) : &PL_sv_undef;
+ { /* parse options */
+ I32 i;
+ if((items % 2) != 0){
+ croak("Odd number of arguments for get_package_symbol()");
+ }
+ for(i = 2; i < items; i += 2){
+ SV* const opt = ST(i);
+ SV* const val = ST(i+1);
+ if(strEQ(SvPV_nolen_const(opt), "create")){
+ if(SvTRUE(val)){
+ flags |= GV_ADDMULTI;
+ }
+ else{
+ flags &= ~GV_ADDMULTI;
+ }
+ }
+ else{
+ warn("Unknown option \"%"SVf"\" for get_package_symbol()", opt);
+ }
+ }
+ }
+ mop_deconstruct_variable_name(aTHX_ variable, &var_name, &var_name_len, &type, &type_name);
+ gv = mop_get_gv(aTHX_ self, type, var_name, var_name_len, flags);
+ sv = mop_gv_elem(aTHX_ gv, type, FALSE);
+
+ RETVAL = sv ? newRV_inc(sv) : &PL_sv_undef;
OUTPUT:
- RETVAL
+ RETVAL
projects / gitmo/Class-MOP.git / commitdiff