4 #include "chiark-tcl.h"
7 int cht_pat_charfrom(Tcl_Interp *ip, Tcl_Obj *obj, int *val,
8 const char *opts, const char *what) {
9 *val= cht_enum1_lookup_cached_func(ip,obj,opts,what);
10 if (*val==-1) return TCL_ERROR;
14 int cht_pat_int(Tcl_Interp *ip, Tcl_Obj *obj, int *val) {
15 return Tcl_GetIntFromObj(ip, obj, val);
18 int cht_pat_long(Tcl_Interp *ip, Tcl_Obj *obj, long *val) {
19 return Tcl_GetLongFromObj(ip, obj, val);
22 int cht_pat_string(Tcl_Interp *ip, Tcl_Obj *obj, const char **val) {
23 *val= Tcl_GetString(obj);
27 int cht_pat_constv(Tcl_Interp *ip, Tcl_Obj *var,
28 Tcl_Obj **val_r, Tcl_ObjType *type) {
32 val= Tcl_ObjGetVar2(ip,var,0,TCL_LEAVE_ERR_MSG);
33 if (!val) return TCL_ERROR;
36 rc= Tcl_ConvertToType(ip,val,type);
44 void cht_init_somethingv(Something_Var *sth) {
45 sth->obj=0; sth->var=0; sth->copied=0;
48 int cht_pat_somethingv(Tcl_Interp *ip, Tcl_Obj *var,
49 Something_Var *sth, Tcl_ObjType *type) {
55 val= Tcl_ObjGetVar2(ip,var,0,TCL_LEAVE_ERR_MSG);
56 if (!val) return TCL_ERROR;
58 rc= Tcl_ConvertToType(ip,val,type);
61 if (Tcl_IsShared(val)) {
62 val= Tcl_DuplicateObj(val);
65 Tcl_InvalidateStringRep(val);
71 void cht_fini_somethingv(Tcl_Interp *ip, int rc, Something_Var *sth) {
76 ro= Tcl_ObjSetVar2(ip,sth->var,0,sth->obj,TCL_LEAVE_ERR_MSG);
77 if (!ro) rc= TCL_ERROR;
79 if (rc && sth->copied)
80 Tcl_DecrRefCount(sth->obj);
83 Tcl_Obj *cht_ret_long(Tcl_Interp *ip, long val) {
84 return Tcl_NewLongObj(val);
87 Tcl_Obj *cht_ret_string(Tcl_Interp *ip, const char *val) {
88 return Tcl_NewStringObj(val,-1);