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package goja
type argumentsObject struct {
baseObject
length int
}
type mappedProperty struct {
valueProperty
v *Value
}
func (a *argumentsObject) getPropStr(name string) Value {
if prop, ok := a.values[name].(*mappedProperty); ok {
return *prop.v
}
return a.baseObject.getPropStr(name)
}
func (a *argumentsObject) getProp(n Value) Value {
return a.getPropStr(n.String())
}
func (a *argumentsObject) init() {
a.baseObject.init()
a._putProp("length", intToValue(int64(a.length)), true, false, true)
}
func (a *argumentsObject) put(n Value, val Value, throw bool) {
a.putStr(n.String(), val, throw)
}
func (a *argumentsObject) putStr(name string, val Value, throw bool) {
if prop, ok := a.values[name].(*mappedProperty); ok {
if !prop.writable {
a.val.runtime.typeErrorResult(throw, "Property is not writable: %s", name)
return
}
*prop.v = val
return
}
a.baseObject.putStr(name, val, throw)
}
func (a *argumentsObject) deleteStr(name string, throw bool) bool {
if prop, ok := a.values[name].(*mappedProperty); ok {
if !a.checkDeleteProp(name, &prop.valueProperty, throw) {
return false
}
a._delete(name)
return true
}
return a.baseObject.deleteStr(name, throw)
}
func (a *argumentsObject) delete(n Value, throw bool) bool {
return a.deleteStr(n.String(), throw)
}
type argumentsPropIter1 struct {
a *argumentsObject
idx int
recursive bool
}
type argumentsPropIter struct {
wrapped iterNextFunc
}
func (i *argumentsPropIter) next() (propIterItem, iterNextFunc) {
var item propIterItem
item, i.wrapped = i.wrapped()
if i.wrapped == nil {
return propIterItem{}, nil
}
if prop, ok := item.value.(*mappedProperty); ok {
item.value = *prop.v
}
return item, i.next
}
func (a *argumentsObject) _enumerate(recursive bool) iterNextFunc {
return (&argumentsPropIter{
wrapped: a.baseObject._enumerate(recursive),
}).next
}
func (a *argumentsObject) enumerate(all, recursive bool) iterNextFunc {
return (&argumentsPropIter{
wrapped: a.baseObject.enumerate(all, recursive),
}).next
}
func (a *argumentsObject) defineOwnProperty(n Value, descr objectImpl, throw bool) bool {
name := n.String()
if mapped, ok := a.values[name].(*mappedProperty); ok {
existing := &valueProperty{
configurable: mapped.configurable,
writable: true,
enumerable: mapped.enumerable,
value: mapped.get(a.val),
}
val, ok := a.baseObject._defineOwnProperty(n, existing, descr, throw)
if !ok {
return false
}
if prop, ok := val.(*valueProperty); ok {
if !prop.accessor {
*mapped.v = prop.value
}
if prop.accessor || !prop.writable {
a._put(name, prop)
return true
}
mapped.configurable = prop.configurable
mapped.enumerable = prop.enumerable
} else {
*mapped.v = val
mapped.configurable = true
mapped.enumerable = true
}
return true
}
return a.baseObject.defineOwnProperty(n, descr, throw)
}
func (a *argumentsObject) getOwnProp(name string) Value {
if mapped, ok := a.values[name].(*mappedProperty); ok {
return *mapped.v
}
return a.baseObject.getOwnProp(name)
}
func (a *argumentsObject) export() interface{} {
arr := make([]interface{}, a.length)
for i, _ := range arr {
v := a.get(intToValue(int64(i)))
if v != nil {
arr[i] = v.Export()
}
}
return arr
}
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