expressions working

Signed-off-by: Casey Lee <cplee@nektos.com>

vendor/github.com/robertkrimen/otto/object.go

@@ -0,0 +1,156 @@
+package otto
+
+type _object struct {
+	runtime *_runtime
+
+	class       string
+	objectClass *_objectClass
+	value       interface{}
+
+	prototype  *_object
+	extensible bool
+
+	property      map[string]_property
+	propertyOrder []string
+}
+
+func newObject(runtime *_runtime, class string) *_object {
+	self := &_object{
+		runtime:     runtime,
+		class:       class,
+		objectClass: _classObject,
+		property:    make(map[string]_property),
+		extensible:  true,
+	}
+	return self
+}
+
+// 8.12
+
+// 8.12.1
+func (self *_object) getOwnProperty(name string) *_property {
+	return self.objectClass.getOwnProperty(self, name)
+}
+
+// 8.12.2
+func (self *_object) getProperty(name string) *_property {
+	return self.objectClass.getProperty(self, name)
+}
+
+// 8.12.3
+func (self *_object) get(name string) Value {
+	return self.objectClass.get(self, name)
+}
+
+// 8.12.4
+func (self *_object) canPut(name string) bool {
+	return self.objectClass.canPut(self, name)
+}
+
+// 8.12.5
+func (self *_object) put(name string, value Value, throw bool) {
+	self.objectClass.put(self, name, value, throw)
+}
+
+// 8.12.6
+func (self *_object) hasProperty(name string) bool {
+	return self.objectClass.hasProperty(self, name)
+}
+
+func (self *_object) hasOwnProperty(name string) bool {
+	return self.objectClass.hasOwnProperty(self, name)
+}
+
+type _defaultValueHint int
+
+const (
+	defaultValueNoHint _defaultValueHint = iota
+	defaultValueHintString
+	defaultValueHintNumber
+)
+
+// 8.12.8
+func (self *_object) DefaultValue(hint _defaultValueHint) Value {
+	if hint == defaultValueNoHint {
+		if self.class == "Date" {
+			// Date exception
+			hint = defaultValueHintString
+		} else {
+			hint = defaultValueHintNumber
+		}
+	}
+	methodSequence := []string{"valueOf", "toString"}
+	if hint == defaultValueHintString {
+		methodSequence = []string{"toString", "valueOf"}
+	}
+	for _, methodName := range methodSequence {
+		method := self.get(methodName)
+		// FIXME This is redundant...
+		if method.isCallable() {
+			result := method._object().call(toValue_object(self), nil, false, nativeFrame)
+			if result.IsPrimitive() {
+				return result
+			}
+		}
+	}
+
+	panic(self.runtime.panicTypeError())
+}
+
+func (self *_object) String() string {
+	return self.DefaultValue(defaultValueHintString).string()
+}
+
+func (self *_object) defineProperty(name string, value Value, mode _propertyMode, throw bool) bool {
+	return self.defineOwnProperty(name, _property{value, mode}, throw)
+}
+
+// 8.12.9
+func (self *_object) defineOwnProperty(name string, descriptor _property, throw bool) bool {
+	return self.objectClass.defineOwnProperty(self, name, descriptor, throw)
+}
+
+func (self *_object) delete(name string, throw bool) bool {
+	return self.objectClass.delete(self, name, throw)
+}
+
+func (self *_object) enumerate(all bool, each func(string) bool) {
+	self.objectClass.enumerate(self, all, each)
+}
+
+func (self *_object) _exists(name string) bool {
+	_, exists := self.property[name]
+	return exists
+}
+
+func (self *_object) _read(name string) (_property, bool) {
+	property, exists := self.property[name]
+	return property, exists
+}
+
+func (self *_object) _write(name string, value interface{}, mode _propertyMode) {
+	if value == nil {
+		value = Value{}
+	}
+	_, exists := self.property[name]
+	self.property[name] = _property{value, mode}
+	if !exists {
+		self.propertyOrder = append(self.propertyOrder, name)
+	}
+}
+
+func (self *_object) _delete(name string) {
+	_, exists := self.property[name]
+	delete(self.property, name)
+	if exists {
+		for index, property := range self.propertyOrder {
+			if name == property {
+				if index == len(self.propertyOrder)-1 {
+					self.propertyOrder = self.propertyOrder[:index]
+				} else {
+					self.propertyOrder = append(self.propertyOrder[:index], self.propertyOrder[index+1:]...)
+				}
+			}
+		}
+	}
+}