6 int pat_charfrom(Tcl_Interp *ip, Tcl_Obj *obj, int *val,
7 const char *opts, const char *what) {
8 *val= enum1_lookup_cached_func(ip,obj,opts,what);
9 if (*val==-1) return TCL_ERROR;
13 int pat_int(Tcl_Interp *ip, Tcl_Obj *obj, int *val) {
14 return Tcl_GetIntFromObj(ip, obj, val);
17 int pat_long(Tcl_Interp *ip, Tcl_Obj *obj, long *val) {
18 return Tcl_GetLongFromObj(ip, obj, val);
21 int pat_string(Tcl_Interp *ip, Tcl_Obj *obj, const char **val) {
22 *val= Tcl_GetString(obj);
26 void init_somethingv(Something_Var *sth) {
27 sth->obj=0; sth->var=0; sth->copied=0;
30 int pat_somethingv(Tcl_Interp *ip, Tcl_Obj *var,
31 Something_Var *sth, Tcl_ObjType *type) {
37 val= Tcl_ObjGetVar2(ip,var,0,TCL_LEAVE_ERR_MSG);
38 if (!val) return TCL_ERROR;
40 rc= Tcl_ConvertToType(ip,val,type);
43 if (Tcl_IsShared(val)) {
44 val= Tcl_DuplicateObj(val);
47 Tcl_InvalidateStringRep(val);
53 int pat_hbv(Tcl_Interp *ip, Tcl_Obj *var, HBytes_Var *agg) {
55 rc= pat_somethingv(ip,var,&agg->sth,&hbytes_type); if (rc) return rc;
56 agg->hb= OBJ_HBYTES(agg->sth.obj);
60 void fini_somethingv(Tcl_Interp *ip, int rc, Something_Var *sth) {
65 ro= Tcl_ObjSetVar2(ip,sth->var,0,sth->obj,TCL_LEAVE_ERR_MSG);
66 if (!ro) rc= TCL_ERROR;
68 if (rc && sth->copied)
69 Tcl_DecrRefCount(sth->obj);
72 int pat_hb(Tcl_Interp *ip, Tcl_Obj *obj, HBytes_Value *val) {
74 rc= Tcl_ConvertToType(ip,obj,&hbytes_type); if (rc) return rc;
75 *val= *OBJ_HBYTES(obj);
79 Tcl_Obj *ret_hb(Tcl_Interp *ip, HBytes_Value val) {
82 Tcl_InvalidateStringRep(obj);
83 *OBJ_HBYTES(obj)= val;
84 obj->typePtr= &hbytes_type;
88 Tcl_Obj *ret_long(Tcl_Interp *ip, long val) {
89 return Tcl_NewLongObj(val);
92 Tcl_Obj *ret_string(Tcl_Interp *ip, const char *val) {
93 return Tcl_NewStringObj(val,-1);