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package value
import (
"jinx/pkg/lang/vm/mem"
)
type Value struct {
t mem.Ptr
d Data
outlet mem.Ptr
}
func NewInt(x int64) Value {
return Value{t: CORE_TYPE_INT, d: IntData(x)}
}
func NewFloat(x float64) Value {
return Value{t: CORE_TYPE_FLOAT, d: FloatData(x)}
}
func NewString(m mem.Mem, str string) (Value, error) {
ptr, err := m.Allocate(mem.CellKindString)
if err != nil {
return Value{}, err
}
m.Set(ptr, StringCell(str))
return Value{t: CORE_TYPE_STRING, d: StringData{data: ptr}}, nil
}
func NewBool(b bool) Value {
return Value{t: CORE_TYPE_BOOL, d: BoolData(b)}
}
func NewArray(m mem.Mem, arr []Value) (Value, error) {
ptr, err := m.Allocate(mem.CellKindArray)
if err != nil {
return Value{}, err
}
m.Set(ptr, ArrayCell(arr))
return Value{t: CORE_TYPE_ARRAY, d: ArrayData{data: ptr}}, nil
}
func NewNull() Value {
return Value{t: CORE_TYPE_NULL}
}
func NewFunction(pc int) Value {
return Value{t: CORE_TYPE_FUNCTION, d: FunctionData{pc: pc}}
}
func NewNativeFunction(f NativeFunc) Value {
return Value{t: CORE_TYPE_FUNCTION, d: FunctionData{native: f}}
}
func NewObject() Value {
panic("not implemented")
}
func (v Value) TypePtr() mem.Ptr {
return v.t
}
func (v Value) Type() TypeKind {
switch v.t {
case CORE_TYPE_NULL:
return NullType
case CORE_TYPE_INT:
return IntType
case CORE_TYPE_FLOAT:
return FloatType
case CORE_TYPE_STRING:
return StringType
case CORE_TYPE_BOOL:
return BoolType
case CORE_TYPE_ARRAY:
return ArrayType
case CORE_TYPE_FUNCTION:
return FunctionType
default:
return ObjectType
}
}
func (v Value) Data() Data {
return v.d
}
func (v Value) WithData(d Data) Value {
return Value{t: v.t, d: d, outlet: v.outlet}
}
func (v Value) Outlet() mem.Ptr {
return v.outlet
}
func (v Value) WithOutlet(outlet mem.Ptr) Value {
return Value{t: v.t, d: v.d, outlet: outlet}
}
func (v Value) IsEmpty() bool {
return v.t == mem.NullPtr
}
func (v Value) Clone(m mem.Mem) Value {
if v.t == CORE_TYPE_STRING {
str := v.d.(StringData)
m.Retain(str.data)
}
if v.t == CORE_TYPE_ARRAY {
arr := v.d.(ArrayData)
m.Retain(arr.data)
}
if v.t == CORE_TYPE_FUNCTION {
fn := v.d.(FunctionData)
m.Retain(fn.env)
}
return v
}
func (v Value) Drop(m mem.Mem) {
// If value has an outlet, don't drop it and instead move it to the outlet.
if !v.outlet.IsNull() {
m.Set(v.outlet, OutletCell(v))
return
}
if v.t == CORE_TYPE_STRING {
str := v.d.(StringData)
m.Release(str.data)
}
if v.t == CORE_TYPE_ARRAY {
arr := v.d.(ArrayData)
m.Release(arr.data)
}
if v.t == CORE_TYPE_FUNCTION {
f := v.d.(FunctionData)
m.Release(f.env)
}
}
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