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package otto
import (
"strconv"
"time"
)
var (
prototypeValueObject = interface{}(nil)
prototypeValueFunction = _nativeFunctionObject{
call: func(_ FunctionCall) Value {
return Value{}
},
}
prototypeValueString = _stringASCII("")
// TODO Make this just false?
prototypeValueBoolean = Value{
kind: valueBoolean,
value: false,
}
prototypeValueNumber = Value{
kind: valueNumber,
value: 0,
}
prototypeValueDate = _dateObject{
epoch: 0,
isNaN: false,
time: time.Unix(0, 0).UTC(),
value: Value{
kind: valueNumber,
value: 0,
},
}
prototypeValueRegExp = _regExpObject{
regularExpression: nil,
global: false,
ignoreCase: false,
multiline: false,
source: "",
flags: "",
}
)
func newContext() *_runtime {
self := &_runtime{}
self.globalStash = self.newObjectStash(nil, nil)
self.globalObject = self.globalStash.object
_newContext(self)
self.eval = self.globalObject.property["eval"].value.(Value).value.(*_object)
self.globalObject.prototype = self.global.ObjectPrototype
return self
}
func (runtime *_runtime) newBaseObject() *_object {
self := newObject(runtime, "")
return self
}
func (runtime *_runtime) newClassObject(class string) *_object {
return newObject(runtime, class)
}
func (runtime *_runtime) newPrimitiveObject(class string, value Value) *_object {
self := runtime.newClassObject(class)
self.value = value
return self
}
func (self *_object) primitiveValue() Value {
switch value := self.value.(type) {
case Value:
return value
case _stringObject:
return toValue_string(value.String())
}
return Value{}
}
func (self *_object) hasPrimitive() bool {
switch self.value.(type) {
case Value, _stringObject:
return true
}
return false
}
func (runtime *_runtime) newObject() *_object {
self := runtime.newClassObject("Object")
self.prototype = runtime.global.ObjectPrototype
return self
}
func (runtime *_runtime) newArray(length uint32) *_object {
self := runtime.newArrayObject(length)
self.prototype = runtime.global.ArrayPrototype
return self
}
func (runtime *_runtime) newArrayOf(valueArray []Value) *_object {
self := runtime.newArray(uint32(len(valueArray)))
for index, value := range valueArray {
if value.isEmpty() {
continue
}
self.defineProperty(strconv.FormatInt(int64(index), 10), value, 0111, false)
}
return self
}
func (runtime *_runtime) newString(value Value) *_object {
self := runtime.newStringObject(value)
self.prototype = runtime.global.StringPrototype
return self
}
func (runtime *_runtime) newBoolean(value Value) *_object {
self := runtime.newBooleanObject(value)
self.prototype = runtime.global.BooleanPrototype
return self
}
func (runtime *_runtime) newNumber(value Value) *_object {
self := runtime.newNumberObject(value)
self.prototype = runtime.global.NumberPrototype
return self
}
func (runtime *_runtime) newRegExp(patternValue Value, flagsValue Value) *_object {
pattern := ""
flags := ""
if object := patternValue._object(); object != nil && object.class == "RegExp" {
if flagsValue.IsDefined() {
panic(runtime.panicTypeError("Cannot supply flags when constructing one RegExp from another"))
}
regExp := object.regExpValue()
pattern = regExp.source
flags = regExp.flags
} else {
if patternValue.IsDefined() {
pattern = patternValue.string()
}
if flagsValue.IsDefined() {
flags = flagsValue.string()
}
}
return runtime._newRegExp(pattern, flags)
}
func (runtime *_runtime) _newRegExp(pattern string, flags string) *_object {
self := runtime.newRegExpObject(pattern, flags)
self.prototype = runtime.global.RegExpPrototype
return self
}
// TODO Should (probably) be one argument, right? This is redundant
func (runtime *_runtime) newDate(epoch float64) *_object {
self := runtime.newDateObject(epoch)
self.prototype = runtime.global.DatePrototype
return self
}
func (runtime *_runtime) newError(name string, message Value, stackFramesToPop int) *_object {
var self *_object
switch name {
case "EvalError":
return runtime.newEvalError(message)
case "TypeError":
return runtime.newTypeError(message)
case "RangeError":
return runtime.newRangeError(message)
case "ReferenceError":
return runtime.newReferenceError(message)
case "SyntaxError":
return runtime.newSyntaxError(message)
case "URIError":
return runtime.newURIError(message)
}
self = runtime.newErrorObject(name, message, stackFramesToPop)
self.prototype = runtime.global.ErrorPrototype
if name != "" {
self.defineProperty("name", toValue_string(name), 0111, false)
}
return self
}
func (runtime *_runtime) newNativeFunction(name, file string, line int, _nativeFunction _nativeFunction) *_object {
self := runtime.newNativeFunctionObject(name, file, line, _nativeFunction, 0)
self.prototype = runtime.global.FunctionPrototype
prototype := runtime.newObject()
self.defineProperty("prototype", toValue_object(prototype), 0100, false)
prototype.defineProperty("constructor", toValue_object(self), 0100, false)
return self
}
func (runtime *_runtime) newNodeFunction(node *_nodeFunctionLiteral, scopeEnvironment _stash) *_object {
// TODO Implement 13.2 fully
self := runtime.newNodeFunctionObject(node, scopeEnvironment)
self.prototype = runtime.global.FunctionPrototype
prototype := runtime.newObject()
self.defineProperty("prototype", toValue_object(prototype), 0100, false)
prototype.defineProperty("constructor", toValue_object(self), 0101, false)
return self
}
// FIXME Only in one place...
func (runtime *_runtime) newBoundFunction(target *_object, this Value, argumentList []Value) *_object {
self := runtime.newBoundFunctionObject(target, this, argumentList)
self.prototype = runtime.global.FunctionPrototype
prototype := runtime.newObject()
self.defineProperty("prototype", toValue_object(prototype), 0100, false)
prototype.defineProperty("constructor", toValue_object(self), 0100, false)
return self
}
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