diff options
Diffstat (limited to 'vendor/github.com/robertkrimen/otto/builtin_object.go')
-rw-r--r-- | vendor/github.com/robertkrimen/otto/builtin_object.go | 289 |
1 files changed, 289 insertions, 0 deletions
diff --git a/vendor/github.com/robertkrimen/otto/builtin_object.go b/vendor/github.com/robertkrimen/otto/builtin_object.go new file mode 100644 index 000000000..c2433f7be --- /dev/null +++ b/vendor/github.com/robertkrimen/otto/builtin_object.go @@ -0,0 +1,289 @@ +package otto + +import ( + "fmt" +) + +// Object + +func builtinObject(call FunctionCall) Value { + value := call.Argument(0) + switch value.kind { + case valueUndefined, valueNull: + return toValue_object(call.runtime.newObject()) + } + + return toValue_object(call.runtime.toObject(value)) +} + +func builtinNewObject(self *_object, argumentList []Value) Value { + value := valueOfArrayIndex(argumentList, 0) + switch value.kind { + case valueNull, valueUndefined: + case valueNumber, valueString, valueBoolean: + return toValue_object(self.runtime.toObject(value)) + case valueObject: + return value + default: + } + return toValue_object(self.runtime.newObject()) +} + +func builtinObject_valueOf(call FunctionCall) Value { + return toValue_object(call.thisObject()) +} + +func builtinObject_hasOwnProperty(call FunctionCall) Value { + propertyName := call.Argument(0).string() + thisObject := call.thisObject() + return toValue_bool(thisObject.hasOwnProperty(propertyName)) +} + +func builtinObject_isPrototypeOf(call FunctionCall) Value { + value := call.Argument(0) + if !value.IsObject() { + return falseValue + } + prototype := call.toObject(value).prototype + thisObject := call.thisObject() + for prototype != nil { + if thisObject == prototype { + return trueValue + } + prototype = prototype.prototype + } + return falseValue +} + +func builtinObject_propertyIsEnumerable(call FunctionCall) Value { + propertyName := call.Argument(0).string() + thisObject := call.thisObject() + property := thisObject.getOwnProperty(propertyName) + if property != nil && property.enumerable() { + return trueValue + } + return falseValue +} + +func builtinObject_toString(call FunctionCall) Value { + result := "" + if call.This.IsUndefined() { + result = "[object Undefined]" + } else if call.This.IsNull() { + result = "[object Null]" + } else { + result = fmt.Sprintf("[object %s]", call.thisObject().class) + } + return toValue_string(result) +} + +func builtinObject_toLocaleString(call FunctionCall) Value { + toString := call.thisObject().get("toString") + if !toString.isCallable() { + panic(call.runtime.panicTypeError()) + } + return toString.call(call.runtime, call.This) +} + +func builtinObject_getPrototypeOf(call FunctionCall) Value { + objectValue := call.Argument(0) + object := objectValue._object() + if object == nil { + panic(call.runtime.panicTypeError()) + } + + if object.prototype == nil { + return nullValue + } + + return toValue_object(object.prototype) +} + +func builtinObject_getOwnPropertyDescriptor(call FunctionCall) Value { + objectValue := call.Argument(0) + object := objectValue._object() + if object == nil { + panic(call.runtime.panicTypeError()) + } + + name := call.Argument(1).string() + descriptor := object.getOwnProperty(name) + if descriptor == nil { + return Value{} + } + return toValue_object(call.runtime.fromPropertyDescriptor(*descriptor)) +} + +func builtinObject_defineProperty(call FunctionCall) Value { + objectValue := call.Argument(0) + object := objectValue._object() + if object == nil { + panic(call.runtime.panicTypeError()) + } + name := call.Argument(1).string() + descriptor := toPropertyDescriptor(call.runtime, call.Argument(2)) + object.defineOwnProperty(name, descriptor, true) + return objectValue +} + +func builtinObject_defineProperties(call FunctionCall) Value { + objectValue := call.Argument(0) + object := objectValue._object() + if object == nil { + panic(call.runtime.panicTypeError()) + } + + properties := call.runtime.toObject(call.Argument(1)) + properties.enumerate(false, func(name string) bool { + descriptor := toPropertyDescriptor(call.runtime, properties.get(name)) + object.defineOwnProperty(name, descriptor, true) + return true + }) + + return objectValue +} + +func builtinObject_create(call FunctionCall) Value { + prototypeValue := call.Argument(0) + if !prototypeValue.IsNull() && !prototypeValue.IsObject() { + panic(call.runtime.panicTypeError()) + } + + object := call.runtime.newObject() + object.prototype = prototypeValue._object() + + propertiesValue := call.Argument(1) + if propertiesValue.IsDefined() { + properties := call.runtime.toObject(propertiesValue) + properties.enumerate(false, func(name string) bool { + descriptor := toPropertyDescriptor(call.runtime, properties.get(name)) + object.defineOwnProperty(name, descriptor, true) + return true + }) + } + + return toValue_object(object) +} + +func builtinObject_isExtensible(call FunctionCall) Value { + object := call.Argument(0) + if object := object._object(); object != nil { + return toValue_bool(object.extensible) + } + panic(call.runtime.panicTypeError()) +} + +func builtinObject_preventExtensions(call FunctionCall) Value { + object := call.Argument(0) + if object := object._object(); object != nil { + object.extensible = false + } else { + panic(call.runtime.panicTypeError()) + } + return object +} + +func builtinObject_isSealed(call FunctionCall) Value { + object := call.Argument(0) + if object := object._object(); object != nil { + if object.extensible { + return toValue_bool(false) + } + result := true + object.enumerate(true, func(name string) bool { + property := object.getProperty(name) + if property.configurable() { + result = false + } + return true + }) + return toValue_bool(result) + } + panic(call.runtime.panicTypeError()) +} + +func builtinObject_seal(call FunctionCall) Value { + object := call.Argument(0) + if object := object._object(); object != nil { + object.enumerate(true, func(name string) bool { + if property := object.getOwnProperty(name); nil != property && property.configurable() { + property.configureOff() + object.defineOwnProperty(name, *property, true) + } + return true + }) + object.extensible = false + } else { + panic(call.runtime.panicTypeError()) + } + return object +} + +func builtinObject_isFrozen(call FunctionCall) Value { + object := call.Argument(0) + if object := object._object(); object != nil { + if object.extensible { + return toValue_bool(false) + } + result := true + object.enumerate(true, func(name string) bool { + property := object.getProperty(name) + if property.configurable() || property.writable() { + result = false + } + return true + }) + return toValue_bool(result) + } + panic(call.runtime.panicTypeError()) +} + +func builtinObject_freeze(call FunctionCall) Value { + object := call.Argument(0) + if object := object._object(); object != nil { + object.enumerate(true, func(name string) bool { + if property, update := object.getOwnProperty(name), false; nil != property { + if property.isDataDescriptor() && property.writable() { + property.writeOff() + update = true + } + if property.configurable() { + property.configureOff() + update = true + } + if update { + object.defineOwnProperty(name, *property, true) + } + } + return true + }) + object.extensible = false + } else { + panic(call.runtime.panicTypeError()) + } + return object +} + +func builtinObject_keys(call FunctionCall) Value { + if object, keys := call.Argument(0)._object(), []Value(nil); nil != object { + object.enumerate(false, func(name string) bool { + keys = append(keys, toValue_string(name)) + return true + }) + return toValue_object(call.runtime.newArrayOf(keys)) + } + panic(call.runtime.panicTypeError()) +} + +func builtinObject_getOwnPropertyNames(call FunctionCall) Value { + if object, propertyNames := call.Argument(0)._object(), []Value(nil); nil != object { + object.enumerate(true, func(name string) bool { + if object.hasOwnProperty(name) { + propertyNames = append(propertyNames, toValue_string(name)) + } + return true + }) + return toValue_object(call.runtime.newArrayOf(propertyNames)) + } + panic(call.runtime.panicTypeError()) +} |