func (ir *Interpreter) NewFloatVar(name string) *FloatVar {
fv := new(FloatVar)
fv.ir = ir
fv.name = name
fv.data = 0.0
cname := C.CString(name)
status := C.Tcl_LinkVar(ir.C, cname, (*C.char)(unsafe.Pointer(&fv.data)),
C.TCL_LINK_DOUBLE)
C.free_string(cname)
if status != C.TCL_OK {
panic(C.GoString(C.Tcl_GetStringResult(ir.C)))
}
return fv
}
func (ir *Interpreter) NewIntVar(name string) *IntVar {
iv := new(IntVar)
iv.ir = ir
iv.name = name
iv.data = 0
cname := C.CString(name)
status := C.Tcl_LinkVar(ir.C, cname, (*C.char)(unsafe.Pointer(&iv.data)),
C.TCL_LINK_WIDE_INT)
C.free_string(cname)
if status != C.TCL_OK {
panic(C.GoString(C.Tcl_GetStringResult(ir.C)))
}
return iv
}
func (ir *Interpreter) NewStringVar(name string) *StringVar {
sv := new(StringVar)
sv.ir = ir
sv.name = name
sv.data = C.Tcl_Alloc(1)
(*((*[alot]byte)(unsafe.Pointer(sv.data))))[0] = 0
cname := C.CString(name)
status := C.Tcl_LinkVar(ir.C, cname, (*C.char)(unsafe.Pointer(&sv.data)),
C.TCL_LINK_STRING)
C.free_string(cname)
if status != C.TCL_OK {
panic(C.GoString(C.Tcl_GetStringResult(ir.C)))
}
return sv
}