1 files changed, 109 insertions, 0 deletions
diff --git a/vendor/github.com/robertkrimen/otto/type_array.go b/vendor/github.com/robertkrimen/otto/type_array.go
new file mode 100644
index 000000000..c8a974b02
--- /dev/null
+++ b/vendor/github.com/robertkrimen/otto/type_array.go
@@ -0,0 +1,109 @@
+package otto
+
+import (
+	"strconv"
+)
+
+func (runtime *_runtime) newArrayObject(length uint32) *_object {
+	self := runtime.newObject()
+	self.class = "Array"
+	self.defineProperty("length", toValue_uint32(length), 0100, false)
+	self.objectClass = _classArray
+	return self
+}
+
+func isArray(object *_object) bool {
+	return object != nil && (object.class == "Array" || object.class == "GoArray")
+}
+
+func objectLength(object *_object) uint32 {
+	if object == nil {
+		return 0
+	}
+	switch object.class {
+	case "Array":
+		return object.get("length").value.(uint32)
+	case "String":
+		return uint32(object.get("length").value.(int))
+	case "GoArray":
+		return uint32(object.get("length").value.(int))
+	}
+	return 0
+}
+
+func arrayUint32(rt *_runtime, value Value) uint32 {
+	nm := value.number()
+	if nm.kind != numberInteger || !isUint32(nm.int64) {
+		// FIXME
+		panic(rt.panicRangeError())
+	}
+	return uint32(nm.int64)
+}
+
+func arrayDefineOwnProperty(self *_object, name string, descriptor _property, throw bool) bool {
+	lengthProperty := self.getOwnProperty("length")
+	lengthValue, valid := lengthProperty.value.(Value)
+	if !valid {
+		panic("Array.length != Value{}")
+	}
+	length := lengthValue.value.(uint32)
+	if name == "length" {
+		if descriptor.value == nil {
+			return objectDefineOwnProperty(self, name, descriptor, throw)
+		}
+		newLengthValue, isValue := descriptor.value.(Value)
+		if !isValue {
+			panic(self.runtime.panicTypeError())
+		}
+		newLength := arrayUint32(self.runtime, newLengthValue)
+		descriptor.value = toValue_uint32(newLength)
+		if newLength > length {
+			return objectDefineOwnProperty(self, name, descriptor, throw)
+		}
+		if !lengthProperty.writable() {
+			goto Reject
+		}
+		newWritable := true
+		if descriptor.mode&0700 == 0 {
+			// If writable is off
+			newWritable = false
+			descriptor.mode |= 0100
+		}
+		if !objectDefineOwnProperty(self, name, descriptor, throw) {
+			return false
+		}
+		for newLength < length {
+			length--
+			if !self.delete(strconv.FormatInt(int64(length), 10), false) {
+				descriptor.value = toValue_uint32(length + 1)
+				if !newWritable {
+					descriptor.mode &= 0077
+				}
+				objectDefineOwnProperty(self, name, descriptor, false)
+				goto Reject
+			}
+		}
+		if !newWritable {
+			descriptor.mode &= 0077
+			objectDefineOwnProperty(self, name, descriptor, false)
+		}
+	} else if index := stringToArrayIndex(name); index >= 0 {
+		if index >= int64(length) && !lengthProperty.writable() {
+			goto Reject
+		}
+		if !objectDefineOwnProperty(self, strconv.FormatInt(index, 10), descriptor, false) {
+			goto Reject
+		}
+		if index >= int64(length) {
+			lengthProperty.value = toValue_uint32(uint32(index + 1))
+			objectDefineOwnProperty(self, "length", *lengthProperty, false)
+			return true
+		}
+	}
+	return objectDefineOwnProperty(self, name, descriptor, throw)
+Reject:
+	if throw {
+		panic(self.runtime.panicTypeError())
+	}
+	return false
+}