mirror of
https://github.com/robertkrimen/otto
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7e2b4f2063
* No more _stash * Now using a "virtual table" system via _objectClass * Make Array.concat GoArray compatible (via .isArray()) Fix #16
81 lines
2.3 KiB
Go
81 lines
2.3 KiB
Go
package otto
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func (runtime *_runtime) newArgumentsObject(indexOfParameterName []string, environment _environment, length int) *_object {
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self := runtime.newClassObject("Arguments")
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self.objectClass = _classArguments
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self.value = &_argumentsObject{
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indexOfParameterName: indexOfParameterName,
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environment: environment,
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}
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self.prototype = runtime.Global.ObjectPrototype
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self.defineProperty("length", toValue(length), 0101, false)
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return self
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}
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type _argumentsObject struct {
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indexOfParameterName []string
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// function(abc, def, ghi)
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// indexOfParameterName[0] = "abc"
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// indexOfParameterName[1] = "def"
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// indexOfParameterName[2] = "ghi"
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// ...
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environment _environment
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}
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func (self *_argumentsObject) get(name string) (Value, bool) {
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index := stringToArrayIndex(name)
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if index >= 0 && index < int64(len(self.indexOfParameterName)) {
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name := self.indexOfParameterName[index]
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if name == "" {
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return Value{}, false
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}
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return self.environment.GetBindingValue(name, false), true
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}
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return Value{}, false
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}
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func (self *_argumentsObject) put(name string, value Value) {
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index := stringToArrayIndex(name)
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name = self.indexOfParameterName[index]
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self.environment.SetMutableBinding(name, value, false)
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}
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func (self *_argumentsObject) delete(name string) {
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index := stringToArrayIndex(name)
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self.indexOfParameterName[index] = ""
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}
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func argumentsGet(self *_object, name string) Value {
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if value, exists := self.value.(*_argumentsObject).get(name); exists {
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return value
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}
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return objectGet(self, name)
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}
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func argumentsGetOwnProperty(self *_object, name string) *_property {
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if value, exists := self.value.(*_argumentsObject).get(name); exists {
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return &_property{value, 0111}
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}
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return objectGetOwnProperty(self, name)
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}
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func argumentsDefineOwnProperty(self *_object, name string, descriptor _property, throw bool) bool {
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if _, exists := self.value.(*_argumentsObject).get(name); exists {
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self.value.(*_argumentsObject).put(name, descriptor.value.(Value))
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return true
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}
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return objectDefineOwnProperty(self, name, descriptor, throw)
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}
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func argumentsDelete(self *_object, name string, throw bool) bool {
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if _, exists := self.value.(*_argumentsObject).get(name); exists {
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self.value.(*_argumentsObject).delete(name)
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return true
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}
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return objectDelete(self, name, throw)
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}
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