/// <summary>
/// 15.5.4.14
/// </summary>
/// <param name="target"></param>
/// <param name="parameters"></param>
/// <returns></returns>
public JsInstance SplitImpl(JsDictionaryObject target, JsInstance[] parameters)
{
JsObject A = Global.ArrayClass.New();
string S = target.ToString();
if (parameters.Length == 0 || parameters[0] == JsUndefined.Instance)
{
A["0"] = Global.StringClass.New(S);
}
JsInstance separator = parameters[0];
int limit = parameters.Length > 1 ? Convert.ToInt32(parameters[1].ToNumber()) : Int32.MaxValue;
int s = S.Length;
string[] result;
if (separator.Class == JsInstance.CLASS_REGEXP)
{
result = ((JsRegExp)parameters[0]).Regex.Split(S, limit);
}
else
{
result = S.Split(new string[] { separator.ToString() }, limit, StringSplitOptions.None);
}
for (int i = 0; i < result.Length; i++)
{
A[i.ToString()] = Global.StringClass.New(result[i]);
}
return(A);
}
public override JsInstance Execute(
IJintVisitor visitor,
JsDictionaryObject that,
JsInstance[] parameters)
{
JsFunction function = that as JsFunction;
if (function == null)
{
throw new ArgumentException("the target of call() must be a function");
}
JsDictionaryObject _this = parameters.Length < 1 || parameters[0] == JsUndefined.Instance || parameters[0] == JsNull.Instance ? visitor.Global as JsDictionaryObject : parameters[0] as JsDictionaryObject;
JsInstance[] _parameters;
if (parameters.Length >= 2 && parameters[1] != JsNull.Instance)
{
_parameters = new JsInstance[parameters.Length - 1];
for (int index = 1; index < parameters.Length; ++index)
{
_parameters[index - 1] = parameters[index];
}
}
else
{
_parameters = JsInstance.EMPTY;
}
visitor.ExecuteFunction(function, _this, _parameters);
return(visitor.Result);
}
public JsInstance ExecImpl(JsRegExp regexp, JsInstance[] parameters)
{
string S = parameters[0].ToString();
int length = S.Length;
int lastIndex = (int)regexp["lastIndex"].ToNumber();
int i = lastIndex;
if (regexp["global"].ToBoolean())
i = 0;
if (i < 0 || i > length)
{
lastIndex = 0;
return JsNull.Instance;
}
Match r = ((Regex)regexp.Value).Match(S, i);
if (!r.Success)
{
lastIndex = 0;
return JsNull.Instance;
}
int e = r.Index + r.Length;
if (regexp["global"].ToBoolean())
lastIndex = e;
int n = r.Groups.Count;
JsArray result = Global.ArrayClass.New();
result["index"] = Global.NumberClass.New(r.Index);
result["input"] = Global.StringClass.New(S);
result["length"] = Global.NumberClass.New(n + 1);
result[Global.NumberClass.New(0)] = Global.StringClass.New(r.Value);
for (i = 1; i > 0 && i < n; i++)
{
result[Global.NumberClass.New(i)] = Global.StringClass.New(r.Groups[i].Value);
}
return result;
}
public override void Set(JsDictionaryObject that, JsInstance value)
{
if (setter != null)
{
setter(that, value);
}
}
public override JsInstance Execute(IJintVisitor visitor, JsDictionaryObject that, JsInstance[] parameters)
{
if (that == null)
{
JsArray array = Global.ArrayClass.New();
for (int i = 0; i < parameters.Length; i++)
{
array[i.ToString()] = parameters[i];
}
visitor.Return(array);
}
else
{
// When called as part of a new expression, it is a constructor: it initialises the newly created object.
for (int i = 0; i < parameters.Length; i++)
{
that[i.ToString()] = parameters[i];
}
visitor.Return(that);
}
return that;
}
public override JsInstance Execute(
IJintVisitor visitor,
JsDictionaryObject that,
JsInstance[] parameters)
{
JsFunction function = that as JsFunction;
if (function == null)
{
throw new ArgumentException("the target of call() must be a function");
}
JsDictionaryObject _this = parameters.Length < 1 || parameters[0] == JsUndefined.Instance || parameters[0] == JsNull.Instance ? visitor.Global as JsDictionaryObject : parameters[0] as JsDictionaryObject;
JsInstance[] _parameters;
if (parameters.Length >= 2 && parameters[1] != JsNull.Instance)
{
JsObject parameter = parameters[1] as JsObject;
if (parameter == null)
{
throw new JsException((JsInstance)visitor.Global.TypeErrorClass.New("second argument must be an array"));
}
_parameters = new JsInstance[parameter.Length];
for (int index = 0; index < parameter.Length; ++index)
{
_parameters[index] = parameter[index.ToString()];
}
}
else
{
_parameters = JsInstance.EMPTY;
}
visitor.ExecuteFunction(function, _this, _parameters);
return(visitor.Result);
}
public JsInstance ToPrecisionImpl(JsInstance target, JsInstance[] parameters)
{
if (double.IsInfinity(target.ToNumber()) || double.IsNaN(target.ToNumber()))
{
return(this.ToStringImpl(target, new JsInstance[0]));
}
if (parameters.Length == 0)
{
throw new JsException((JsInstance)this.Global.SyntaxErrorClass.New("precision missing"));
}
if (parameters[0] == JsUndefined.Instance)
{
return(this.ToStringImpl(target, new JsInstance[0]));
}
int num1 = 0;
if ((uint)parameters.Length > 0U)
{
num1 = Convert.ToInt32(parameters[0].ToNumber());
}
if (num1 < 1 || num1 > 21)
{
throw new JsException((JsInstance)this.Global.RangeErrorClass.New("precision must be between 1 and 21"));
}
string str = target.ToNumber().ToString("e23", (IFormatProvider)CultureInfo.InvariantCulture);
int num2 = str.IndexOfAny(new char[2] {
'.', 'e'
});
int num3 = num2 == -1 ? str.Length : num2;
int num4 = num1 - num3;
int num5 = num4 < 1 ? 1 : num4;
return((JsInstance)this.Global.StringClass.New(target.ToNumber().ToString("f" + (object)num5, (IFormatProvider)CultureInfo.InvariantCulture)));
}
public JsInstance LastIndexOfImpl(JsObject target, JsInstance[] parameters)
{
if (parameters.Length == 0)
{
return((JsInstance)this.Global.NumberClass.New(-1.0));
}
int length = target.Length;
if (length == 0)
{
return((JsInstance)this.Global.NumberClass.New(-1.0));
}
int val1 = length;
if (parameters.Length > 1)
{
val1 = Convert.ToInt32(parameters[1].ToNumber());
}
JsInstance parameter = parameters[0];
for (int index = val1 < 0 ? length - Math.Abs(val1 - 1) : Math.Min(val1, length - 1); index >= 0; --index)
{
JsInstance result = (JsInstance)null;
if (target.TryGetProperty(index.ToString(), out result) && result == parameter)
{
return((JsInstance)this.Global.NumberClass.New((double)index));
}
}
return((JsInstance)this.Global.NumberClass.New(-1.0));
}
public JsInstance IndexOfImpl(JsObject target, JsInstance[] parameters)
{
if (parameters.Length == 0)
{
return((JsInstance)this.Global.NumberClass.New(-1.0));
}
int number = (int)target["length"].ToNumber();
if (number == 0)
{
return((JsInstance)this.Global.NumberClass.New(-1.0));
}
int num = 0;
if (parameters.Length > 1)
{
num = Convert.ToInt32(parameters[1].ToNumber());
}
if (num >= number)
{
return((JsInstance)this.Global.NumberClass.New(-1.0));
}
JsInstance parameter = parameters[0];
for (int index = num < 0 ? number - Math.Abs(num) : num; index < number; ++index)
{
JsInstance result = (JsInstance)null;
if (target.TryGetProperty(index.ToString(), out result) && result == parameter)
{
return((JsInstance)this.Global.NumberClass.New((double)index));
}
}
return((JsInstance)this.Global.NumberClass.New(-1.0));
}
public JsInstance Shift(JsDictionaryObject target, JsInstance[] parameters)
{
if (target.Length == 0)
{
return((JsInstance)JsUndefined.Instance);
}
JsInstance jsInstance = target[0.ToString()];
int num;
for (int index1 = 1; index1 < target.Length; ++index1)
{
JsInstance result = (JsInstance)null;
string index2 = index1.ToString();
num = index1 - 1;
string index3 = num.ToString();
if (target.TryGetProperty(index2, out result))
{
target[index3] = result;
}
else
{
target.Delete(index3);
}
}
JsDictionaryObject dictionaryObject = target;
num = target.Length - 1;
string index = num.ToString();
dictionaryObject.Delete(index);
num = target.Length--;
return(jsInstance);
}
public JsInstance UnShift(JsObject target, JsInstance[] parameters)
{
for (int length = target.Length; length > 0; --length)
{
JsInstance result = (JsInstance)null;
int num = length - 1;
string index1 = num.ToString();
num = length + parameters.Length - 1;
string index2 = num.ToString();
if (target.TryGetProperty(index1, out result))
{
target[index2] = result;
}
else
{
target.Delete(index2);
}
}
List <JsInstance> jsInstanceList = new List <JsInstance>((IEnumerable <JsInstance>)parameters);
int num1 = 0;
while (jsInstanceList.Count > 0)
{
JsInstance jsInstance = jsInstanceList[0];
jsInstanceList.RemoveAt(0);
target[num1.ToString()] = jsInstance;
++num1;
}
return((JsInstance)this.Global.NumberClass.New((double)target.Length));
}
public JsInstance Reverse(JsObject target, JsInstance[] parameters)
{
int length = target.Length;
int num = length / 2;
for (int index1 = 0; index1 != num; ++index1)
{
string index2 = (length - index1 - 1).ToString();
string index3 = index1.ToString();
JsInstance result1 = (JsInstance)null;
JsInstance result2 = (JsInstance)null;
bool property1 = target.TryGetProperty(index3, out result1);
bool property2 = target.TryGetProperty(index2, out result2);
if (property1)
{
target[index2] = result1;
}
else
{
target.Delete(index2);
}
if (property2)
{
target[index3] = result2;
}
else
{
target.Delete(index3);
}
}
return((JsInstance)target);
}
public JsInstance Join(JsObject target, JsInstance[] parameters)
{
if (target is JsArray)
{
return((JsInstance)((JsArray)target).join(this.Global, parameters.Length != 0 ? parameters[0] : (JsInstance)JsUndefined.Instance));
}
string str = parameters.Length == 0 || parameters[0] == JsUndefined.Instance ? "," : parameters[0].ToString();
if (target.Length == 0)
{
return((JsInstance)this.Global.StringClass.New());
}
JsInstance jsInstance1 = target[0.ToString()];
StringBuilder stringBuilder = jsInstance1 != JsUndefined.Instance && jsInstance1 != JsNull.Instance ? new StringBuilder(jsInstance1.ToString()) : new StringBuilder(string.Empty);
double number = target["length"].ToNumber();
for (int index = 1; (double)index < number; ++index)
{
stringBuilder.Append(str);
JsInstance jsInstance2 = target[index.ToString()];
if (jsInstance2 != JsUndefined.Instance && jsInstance2 != JsNull.Instance)
{
stringBuilder.Append(jsInstance2.ToString());
}
}
return((JsInstance)this.Global.StringClass.New(stringBuilder.ToString()));
}
public override JsInstance Execute(IJintVisitor visitor, JsDictionaryObject that, JsInstance[] parameters)
{
JsFunction function = that as JsFunction;
if (function == null) {
throw new ArgumentException("the target of call() must be a function");
}
JsDictionaryObject _this;
JsInstance[] _parameters;
if (parameters.Length >= 1)
_this = parameters[0] as JsDictionaryObject;
else
_this = visitor.Global as JsDictionaryObject;
if (parameters.Length >= 2 && parameters[1] != JsNull.Instance) {
JsObject arguments = parameters[1] as JsObject;
if (arguments == null)
throw new JsException(visitor.Global.TypeErrorClass.New("second argument must be an array"));
_parameters = new JsInstance[arguments.Length];
for (int i = 0; i < arguments.Length; i++) {
_parameters[i] = arguments[i.ToString()];
}
}
else {
_parameters = JsInstance.EMPTY;
}
// Executes the statements in 'that' and use _this as the target of the call
visitor.ExecuteFunction(function, _this, _parameters);
return visitor.Result;
//visitor.CallFunction(function, _this, _parameters);
//return visitor.Result;
}
/// <summary>
/// 15.4.4.2
/// </summary>
/// <param name="target"></param>
/// <param name="parameters"></param>
/// <returns></returns>
public JsInstance ToStringImpl(JsArray target, JsInstance[] parameters)
{
JsArray result = Global.ArrayClass.New();
for (int i = 0; i < target.Length; i++)
{
var obj = (JsDictionaryObject)target[i.ToString()];
if (ExecutionVisitor.IsNullOrUndefined(obj)) {
result[i.ToString()] = Global.StringClass.New();
}
else
{
var function = obj["toString"] as JsFunction;
if (function != null) {
Global.Visitor.ExecuteFunction(function, obj, parameters);
result[i.ToString()] = Global.Visitor.Returned;
}
else
{
result[i.ToString()] = Global.StringClass.New();
}
}
}
return Global.StringClass.New(result.ToString());
}
public JsInstance ExecImpl(JsRegExp regexp, JsInstance[] parameters)
{
JsArray A = Global.ArrayClass.New();
string input = parameters[0].ToString();
A["input"] = Global.StringClass.New(input);
int i = 0;
var lastIndex = regexp.IsGlobal ? regexp["lastIndex"].ToNumber() : 0;
MatchCollection matches = Regex.Matches(input.Substring((int)lastIndex), regexp.Pattern, regexp.Options);
if (matches.Count > 0) {
// A[Global.NumberClass.New(i++)] = Global.StringClass.New(matches[0].Value);
A["index"] = Global.NumberClass.New(matches[0].Index);
if(regexp.IsGlobal)
{
regexp["lastIndex"] = Global.NumberClass.New(lastIndex + matches[0].Index + matches[0].Value.Length);
}
foreach (Group g in matches[0].Groups) {
A[Global.NumberClass.New(i++)] = Global.StringClass.New(g.Value);
}
return A;
}
else
{
return JsNull.Instance;
}
}
/// <summary>
/// 15.2.3.6
/// </summary>
/// <param name="instance"></param>
/// <param name="p"></param>
/// <param name="currentDescriptor"></param>
public JsInstance DefineProperty(JsInstance[] parameters)
{
JsInstance instance = parameters[0];
if (!(instance is JsDictionaryObject))
{
throw new JsException(Global.TypeErrorClass.New());
}
string name = parameters[1].ToString();
Descriptor desc = Descriptor.ToPropertyDesciptor(Global, (JsDictionaryObject)instance, name, parameters[2]);
if (desc.DescriptorType == DescriptorType.Accessor)
{
if (((PropertyDescriptor)desc).GetFunction != null)
{
((PropertyDescriptor)desc).GetFunction.Scope[JsInstance.THIS] = instance;
}
if (((PropertyDescriptor)desc).SetFunction != null)
{
((PropertyDescriptor)desc).SetFunction.Scope[JsInstance.THIS] = instance;
}
}
((JsDictionaryObject)instance).DefineOwnProperty(name, desc);
return(instance);
}
public override JsInstance Execute(IJintVisitor visitor, JsDictionaryObject that, JsInstance[] parameters)
{
JsFunction function = that as JsFunction;
if (function == null)
{
throw new ArgumentException("the target of call() must be a function");
}
JsDictionaryObject _this;
JsInstance[] _parameters;
if (parameters.Length >= 1 && parameters[0] != JsUndefined.Instance && parameters[0] != JsNull.Instance)
_this = parameters[0] as JsDictionaryObject;
else
_this = visitor.Global as JsDictionaryObject;
if (parameters.Length >= 2 && parameters[1] != JsNull.Instance)
{
_parameters = new JsInstance[parameters.Length - 1];
for (int i = 1; i < parameters.Length; i++)
{
_parameters[i - 1] = parameters[i];
}
}
else
{
_parameters = JsInstance.EMPTY;
}
// Executes the statements in 'that' and use _this as the target of the call
visitor.ExecuteFunction(function, _this, _parameters);
return visitor.Result;
//visitor.CallFunction(function, _this, _parameters);
//return visitor.Result;
}
public JsInstance get(JsInstance that, JsInstance index)
{
JsIndexerGetter getter = m_getOverload.ResolveOverload(new JsInstance[] { index }, null);
if (getter == null)
throw new JintException("No matching overload found");
return getter(that, index);
}
/// <summary>
/// 15.4.4.4
/// </summary>
/// <param name="target"></param>
/// <param name="parameters"></param>
/// <returns></returns>
public JsInstance Concat(JsObject target, JsInstance[] parameters)
{
JsArray array = Global.ArrayClass.New();
List <JsInstance> items = new List <JsInstance>();
items.Add(target);
items.AddRange(parameters);
int n = 0;
while (items.Count > 0)
{
JsInstance e = items[0];
items.RemoveAt(0);
if (e.Class == JsArray.TYPEOF)
{
for (int k = 0; k < ((JsArray)e).Length; k++)
{
string p = k.ToString();
JsInstance result = null;
if (((JsDictionaryObject)e).TryGetProperty(p, out result))
{
array.DefineOwnProperty(n.ToString(), new ValueDescriptor(this, n.ToString(), result));
n++;
}
}
}
else
{
array.DefineOwnProperty(n.ToString(), new ValueDescriptor(this, n.ToString(), e));
n++;
}
}
return(array);
}
public JsArguments(IGlobal global, JsFunction callee, JsInstance[] arguments)
: base()
{
this.args = arguments;
this.global = global;
Prototype = global.ObjectClass.New();
// Add the named parameters
for (int i = 0; i < Math.Max(arguments.Length, callee.Arguments.Count); i++)
{
ValueDescriptor d = new ValueDescriptor(this, i < callee.Arguments.Count ? callee.Arguments[i] : i.ToString());
d.Set(this, i < arguments.Length ? arguments[i] : JsUndefined.Instance);
if (i < callee.Arguments.Count)
this.DefineOwnProperty(callee.Arguments[i], d);
this.DefineOwnProperty(i.ToString(), d);
}
length = arguments.Length;
calleeDescriptor = new ValueDescriptor(this, "callee");
DefineOwnProperty("callee", calleeDescriptor);
calleeDescriptor.Set(this, callee);
DefineOwnProperty("length", new PropertyDescriptor<JsArguments>(global, this, "length", GetLength));
DefineOwnProperty("array", new PropertyDescriptor<JsArguments>(global, this, "array", GetArray));
}
public JsException(JsInstance value)
: base(value.ToString())
{
Value = value;
//if (value is JsDictionaryObject)
// ((JsDictionaryObject)value)["jintException"] = new JsClr(this);
}
public override JsInstance Execute(IJintVisitor visitor, JsDictionaryObject that, JsInstance[] parameters)
{
if (that == null)
{
// 15.5.1 - When String is called as a function rather than as a constructor, it performs a type conversion.
if (parameters.Length > 0)
{
return visitor.Return(Global.StringClass.New(parameters[0].ToString()));
}
else
{
return visitor.Return(Global.StringClass.New(String.Empty));
}
}
else
{
// 15.5.2 - When String is called as part of a new expression, it is a constructor: it initialises the newly created object.
if (parameters.Length > 0)
{
that.Value = parameters[0].ToString();
}
else
{
that.Value = String.Empty;
}
return visitor.Return(that);
}
}
public override JsInstance Execute(IJintVisitor visitor, JsDictionaryObject that, JsInstance[] parameters)
{
if (that == null)
{
// 15.7.1 - When Number is called as a function rather than as a constructor, it performs a type conversion.
if (parameters.Length > 0)
{
return visitor.Return(new JsNumber(parameters[0].ToNumber()));
}
else
{
return visitor.Return(new JsNumber(0));
}
}
else
{
// 15.7.2 - When Number is called as part of a new expression, it is a constructor: it initialises the newly created object.
if (parameters.Length > 0)
{
that.Value = parameters[0].ToNumber();
}
else
{
that.Value = 0;
}
visitor.Return(that);
}
return that;
}
/// <summary>
/// 15.4.4.4
/// </summary>
/// <param name="target"></param>
/// <param name="parameters"></param>
/// <returns></returns>
public JsInstance Concat(JsObject target, JsInstance[] parameters)
{
if (target is JsArray)
return ((JsArray)target).concat(Global, parameters);
JsArray array = Global.ArrayClass.New();
List<JsInstance> items = new List<JsInstance>();
items.Add(target);
items.AddRange(parameters);
int n = 0;
while (items.Count > 0) {
JsInstance e = items[0];
items.RemoveAt(0);
if (Global.ArrayClass.HasInstance(e as JsObject)) {
for (int k = 0; k < ((JsObject)e).Length; k++) {
string p = k.ToString();
JsInstance result = null;
if (((JsObject)e).TryGetProperty(p, out result))
array.put(n, result);
n++;
}
}
else {
array.put(n, e);
n++;
}
}
return array;
}
/// <summary>
/// 15.4.4.9
/// </summary>
/// <param name="target"></param>
/// <param name="parameters"></param>
/// <returns></returns>
public JsInstance Shift(JsDictionaryObject target, JsInstance[] parameters)
{
if (target.Length == 0)
{
return(JsUndefined.Instance);
}
JsInstance first = target[0.ToString()];
for (int k = 1; k < target.Length; k++)
{
JsInstance result = null;
string from = k.ToString();
string to = (k - 1).ToString();
if (target.TryGetProperty(from, out result))
{
target[to] = result;
}
else
{
target.Delete(to);
}
}
target.Delete((target.Length - 1).ToString());
if (length != int.MinValue)
{
length -= parameters.Length;
}
return(first);
}
public JsException(JsInstance value)
: base(value.ToString())
{
Value = value;
//if (value is JsDictionaryObject)
// ((JsDictionaryObject)value)["jintException"] = new JsClr(this);
}
/// <summary>
/// 15.4.4.13
/// </summary>
/// <param name="target"></param>
/// <param name="parameters"></param>
/// <returns></returns>
public JsInstance UnShift(JsObject target, JsInstance[] parameters)
{
for (int k = target.Length; k > 0; k--)
{
JsInstance result = null;
string from = (k - 1).ToString();
string to = (k + parameters.Length - 1).ToString();
if (target.TryGetProperty(from, out result))
{
target[to] = result;
}
else
{
target.Delete(to);
}
}
List <JsInstance> items = new List <JsInstance>(parameters);
for (int j = 0; items.Count > 0; j++)
{
JsInstance e = items[0];
items.RemoveAt(0);
target[j.ToString()] = e;
}
return(Global.NumberClass.New(target.Length));
}
public override void Set(JsDictionaryObject that, JsInstance value)
{
if (SetFunction == null)
throw new JsException(global.TypeErrorClass.New());
//JsDictionaryObject that = global.Visitor.CallTarget;
global.Visitor.ExecuteFunction(SetFunction, that, new JsInstance[] { value });
}
public JsInstance SetLengthImpl(JsInstance target, JsInstance[] parameters)
{
int length = (int)parameters[0].ToNumber();
if (length < 0 || double.IsNaN(length) || double.IsInfinity(length))
{
throw new JsException(Global.RangeErrorClass.New("invalid array length"));
}
JsDictionaryObject array = (JsDictionaryObject)target;
if (length < array.Length)
{
int oldLength = array.Length;
for (int i = length; i < oldLength; i++)
{
array.Delete(i.ToString());
}
}
else
{
for (int i = array.Length; i < length; i++)
{
array[i.ToString()] = JsUndefined.Instance;
}
}
return(parameters[0]);
}
/// <summary>
/// Overriden indexer to optimize cases when we already have a number
/// </summary>
/// <param name="key">index</param>
/// <returns>value</returns>
public override JsInstance this[JsInstance key] {
get {
double keyNumber = key.ToNumber();
int i = (int)keyNumber;
if (i == keyNumber && i >= 0)
{
// we have got an index
return(this.get(i));
}
else
{
return(base[key.ToString()]);
}
}
set {
double keyNumber = key.ToNumber();
int i = (int)keyNumber;
if (i == keyNumber && i >= 0)
{
// we have got an index
this.put(i, value);
}
else
{
base[key.ToString()] = value;
}
}
}
public JsInstance ExecImpl(JsRegExp regexp, JsInstance[] parameters)
{
JsArray A = Global.ArrayClass.New();
string input = parameters[0].ToString();
A["input"] = Global.StringClass.New(input);
int i = 0;
MatchCollection matches = Regex.Matches(input, regexp.Pattern, regexp.Options);
if (matches.Count > 0) {
if (regexp.IsGlobal) {
foreach (Match m in matches) {
A[Global.NumberClass.New(i++)] = Global.StringClass.New(m.Value);
}
}
else {
foreach (Group g in matches[0].Groups) {
A[Global.NumberClass.New(i++)] = Global.StringClass.New(g.Value);
}
}
A["index"] = Global.NumberClass.New(matches[0].Index);
}
return A;
}
public override JsInstance this[JsInstance key]
{
get
{
double number = key.ToNumber();
int i = (int)number;
if ((double)i == number && i >= 0)
{
return(this.get(i));
}
return(base[key.ToString()]);
}
set
{
double number = key.ToNumber();
int i = (int)number;
if ((double)i == number && i >= 0)
{
this.put(i, value);
}
else
{
base[key.ToString()] = value;
}
}
}
public JsInstance SplitImpl(JsDictionaryObject target, JsInstance[] parameters)
{
JsObject jsObject = (JsObject)this.Global.ArrayClass.New();
string input = target.ToString();
if (parameters.Length == 0 || parameters[0] == JsUndefined.Instance)
{
jsObject["0"] = (JsInstance)this.Global.StringClass.New(input);
}
JsInstance parameter = parameters[0];
int count = parameters.Length > 1 ? Convert.ToInt32(parameters[1].ToNumber()) : int.MaxValue;
int length = input.Length;
string[] strArray;
if (parameter.Class == "RegExp")
{
strArray = ((JsRegExp)parameters[0]).Regex.Split(input, count);
}
else
{
strArray = input.Split(new string[1]
{
parameter.ToString()
}, count, StringSplitOptions.None);
}
for (int index = 0; index < strArray.Length; ++index)
{
jsObject[index.ToString()] = (JsInstance)this.Global.StringClass.New(strArray[index]);
}
return((JsInstance)jsObject);
}
/// <summary>
/// Converts a JsInstance object to its CLR equivalence
/// </summary>
/// <param name="parameter">The object to convert</param>
/// <returns>A CLR object</returns>
public static object ConvertParameter(JsInstance parameter)
{
if (parameter == null)
{
return(null);
}
if (parameter.Class != JsFunction.TYPEOF && parameter.Class != JsArray.TYPEOF)
{
return(parameter.Value);
}
if (parameter == JsNull.Instance)
{
return(null);
}
if (parameter.IsClr)
{
return(parameter.Value);
}
var constructor = ((JsDictionaryObject)parameter)["constructor"] as JsFunction;
if (constructor == null)
{
return(parameter);
}
switch (constructor.Name)
{
case "Date":
return(JsDateConstructor.CreateDateTime(parameter.ToNumber()));
case "String":
case "RegExp":
case "Number":
return(parameter.Value);
case "Array":
case "Object":
if (parameter.Class == JsFunction.TYPEOF)
{
return(parameter);
}
var array = new object[((JsObject)parameter).Length];
foreach (KeyValuePair <string, JsInstance> key in (JsObject)parameter)
{
int index;
if (int.TryParse(key.Key, out index))
{
array[index] = ConvertParameters(key.Value)[0];
}
}
return(new System.Collections.ArrayList(array));
default:
return(parameter);
}
}
public JsInstance put(int i, JsInstance value)
{
if (i >= this.length)
{
this.length = i + 1;
}
return(this.m_data[i] = value);
}
public JsInstance put(int i, JsInstance value)
{
if (i >= length)
{
length = i + 1;
}
return(m_data[i] = value);
}
public override void Set(JsDictionaryObject that, JsInstance value)
{
if (this.setter == null)
{
return;
}
this.setter(that, value);
}
public override JsObject Construct(JsInstance[] parameters, Type[] genericArgs, IJintVisitor visitor) {
JsArray array = New();
for (int i = 0; i < parameters.Length; i++)
array.put(i, parameters[i]); // fast versin since it avoids a type conversion
return array;
}
public override JsInstance Execute(IJintVisitor visitor, JsDictionaryObject that, JsInstance[] parameters) {
if (parameters.Length == 0) {
return visitor.Return(New());
//throw new ArgumentNullException("pattern");
}
return visitor.Return(New(parameters[0].ToString(), false, false, false));
}
public void set(JsInstance that, JsInstance index, JsInstance value)
{
JsIndexerSetter setter = m_setOverload.ResolveOverload(new JsInstance[] { index, value }, null);
if (setter == null)
throw new JintException("No matching overload found");
setter(that, index, value);
}
public override void Set(JsDictionaryObject that, JsInstance value)
{
if (!Writable)
{
throw new JintException("This property is not writable");
}
this.value = value;
}
public override void Set(JsDictionaryObject that, JsInstance value)
{
if (SetFunction == null)
{
throw new JsException(global.TypeErrorClass.New());
}
//JsDictionaryObject that = global.Visitor.CallTarget;
global.Visitor.ExecuteFunction(SetFunction, that, new JsInstance[] { value });
}
public override bool TryGetProperty(string index, out JsInstance result)
{
result = JsUndefined.Instance;
try {
return(m_data.TryGetValue(Convert.ToInt32(index), out result));
}
catch (FormatException) {
return(base.TryGetProperty(index, out result));
}
}
public static JsInstance[] ConvertParametersBack(IJintVisitor visitor, object[] args)
{
JsInstance[] jsParameters = new JsInstance[args.Length];
for (int j = 0; j < jsParameters.Length; j++)
{
// don't convert JsFunction as they will be translated to Delegates later
jsParameters[j] = ConvertParameterBack(visitor, args[j]);
}
return(jsParameters);
}
protected JsInstance isFinite(JsInstance[] arguments)
{
if (arguments.Length < 1 || arguments[0] == JsUndefined.Instance)
{
return((JsInstance)this.BooleanClass.False);
}
JsInstance jsInstance = arguments[0];
return((JsInstance)this.BooleanClass.New(jsInstance != this.NumberClass["NaN"] && jsInstance != this.NumberClass["POSITIVE_INFINITY"] && jsInstance != this.NumberClass["NEGATIVE_INFINITY"]));
}
public JsInstance get(JsInstance that, JsInstance index)
{
JsIndexerGetter getter = m_getOverload.ResolveOverload(new JsInstance[] { index }, null);
if (getter == null)
{
throw new JintException("No matching overload found");
}
return(getter(that, index));
}
public override void DefineOwnProperty(string key, JsInstance value)
{
if (Extensible)
{
base.DefineOwnProperty(key, value);
}
else
{
Prototype.DefineOwnProperty(key, value);
}
}
/// <summary>
/// 15.5.4.5
/// </summary>
/// <param name="target"></param>
/// <param name="parameters"></param>
/// <returns></returns>
public JsInstance CharCodeAtImpl(JsDictionaryObject target, JsInstance[] parameters)
{
var r = target.ToString();
var at = (int)parameters[0].ToNumber();
if (r == String.Empty || at > r.Length - 1) {
return Global.NaN;
}
else {
return Global.NumberClass.New(Convert.ToInt32(r[at]));
}
}
/// <summary>
/// 15.5.4.6
/// </summary>
/// <param name="target"></param>
/// <returns></returns>
public JsInstance ConcatImpl(JsDictionaryObject target, JsInstance[] parameters)
{
StringBuilder sb = new StringBuilder();
sb.Append(target.ToString());
for (int i = 0; i < parameters.Length; i++) {
sb.Append(parameters[i].ToString());
}
return Global.StringClass.New(sb.ToString());
}
public object Invoke(object[] parameters)
{
JsInstance[] arguments = new JsInstance[parameters.Length];
for (int i = 0; i < parameters.Length; i++)
{
arguments[i] = Visitor.Global.WrapClr(parameters[i]);
}
Visitor.ExecuteFunction(Function, That, arguments);
return Visitor.Returned == null ? null : Visitor.Returned.Value;
}
public override JsInstance Execute(IJintVisitor visitor, JsDictionaryObject that, JsInstance[] parameters, Type[] genericArguments)
{
if (m_generics.Count == 0 && (genericArguments != null && genericArguments.Length > 0))
return base.Execute(visitor, that, parameters, genericArguments);
else
{
JsMethodImpl impl = m_overloads.ResolveOverload(parameters, genericArguments);
if (impl == null)
throw new JintException(String.Format("No matching overload found {0}<{1}>", Name, genericArguments));
visitor.Return(impl(visitor.Global, that, parameters));
return that;
}
}
public override JsInstance Execute(IJintVisitor visitor, JsDictionaryObject that, JsInstance[] parameters) {
if (that == null || (that as IGlobal) == visitor.Global ) {
return visitor.Return(Construct(parameters,null,visitor));
}
else {
// When called as part of a new expression, it is a constructor: it initialises the newly created object.
for (int i = 0; i < parameters.Length; i++) {
that[i.ToString()] = parameters[i];
}
return visitor.Return(that);
}
}
public JsInstance ToStringImpl(JsInstance target, JsInstance[] parameters) {
if (target == this["NaN"]) {
return Global.StringClass.New("NaN");
}
if (target == this["NEGATIVE_INFINITY"]) {
return Global.StringClass.New("-Infinity");
}
if (target == this["POSITIVE_INFINITY"]) {
return Global.StringClass.New("Infinity");
}
int radix = 10;
// is radix defined ?
if (parameters.Length > 0) {
if (parameters[0] != JsUndefined.Instance) {
radix = (int)parameters[0].ToNumber();
}
}
var longToBeFormatted = (long)target.ToNumber();
if (radix == 10) {
return Global.StringClass.New(target.ToNumber().ToString(CultureInfo.InvariantCulture).ToLower());
}
else {
// Extract the magnitude for conversion.
long longPositive = Math.Abs(longToBeFormatted);
int digitIndex = 0;
char[] outDigits = new char[63];
// Convert the magnitude to a digit string.
for (digitIndex = 0; digitIndex <= 64; digitIndex++)
{
if (longPositive == 0) break;
outDigits[outDigits.Length - digitIndex - 1] =
rDigits[longPositive % radix];
longPositive /= radix;
}
// Add a minus sign if the argument is negative.
if (longToBeFormatted < 0)
outDigits[outDigits.Length - digitIndex++ - 1] = '-';
return Global.StringClass.New(new string(outDigits,
outDigits.Length - digitIndex, digitIndex).ToLower());
}
}
/// <summary>
/// 15.2.3.6
/// </summary>
/// <param name="instance"></param>
/// <param name="p"></param>
/// <param name="currentDescriptor"></param>
public JsInstance DefineProperty(JsInstance[] parameters)
{
JsInstance instance = parameters[0];
if (!(instance is JsDictionaryObject))
throw new JsException(Global.TypeErrorClass.New());
string name = parameters[1].ToString();
Descriptor desc = Descriptor.ToPropertyDesciptor(Global, (JsDictionaryObject)instance, name, parameters[2]);
((JsDictionaryObject)instance).DefineOwnProperty(name, desc);
return instance;
}
/// <summary>
/// 15.2.2.1
/// </summary>
public override JsInstance Execute(IJintVisitor visitor, JsDictionaryObject that, JsInstance[] parameters)
{
if (parameters.Length > 0) {
switch (parameters[0].Class) {
case JsInstance.CLASS_STRING: return Global.StringClass.New(parameters[0].ToString());
case JsInstance.CLASS_NUMBER: return Global.NumberClass.New(parameters[0].ToNumber());
case JsInstance.CLASS_BOOLEAN: return Global.BooleanClass.New(parameters[0].ToBoolean());
default:
return parameters[0];
}
}
return New(this);
}
public override JsInstance Execute(IJintVisitor visitor, JsDictionaryObject that, JsInstance[] parameters)
{
int clrParameterCount = Delegate.Method.GetParameters().Length;
object[] clrParameters = new object[clrParameterCount];
for (int i = 0; i < parameters.Length; i++) {
// First see if either the JsInstance or it's value can be directly accepted without converstion
if (typeof(JsInstance).IsAssignableFrom(Parameters[i].ParameterType) && Parameters[i].ParameterType.IsInstanceOfType(parameters[i])) {
clrParameters[i] = parameters[i];
}
else if (Parameters[i].ParameterType.IsInstanceOfType(parameters[i].Value)) {
clrParameters[i] = parameters[i].Value;
}
else {
clrParameters[i] = visitor.Global.Marshaller.MarshalJsValue<object>(parameters[i]);
}
}
object result;
try {
result = Delegate.DynamicInvoke(clrParameters);
}
catch (TargetInvocationException e) {
throw e.InnerException;
}
catch (Exception e) {
if (e.InnerException is JsException) {
throw e.InnerException;
}
throw;
}
if (result != null) {
// Don't wrap if the result should be a JsInstance
if (typeof(JsInstance).IsInstanceOfType(result)) {
visitor.Return((JsInstance)result);
}
else {
visitor.Return(visitor.Global.WrapClr(result));
}
}
else {
visitor.Return(JsUndefined.Instance);
}
return null;
}
public JsInstance MaxImpl(JsObject target, JsInstance[] parameters)
{
if (parameters.Length == 0) {
return Global.NumberClass["NEGATIVE_INFINITY"];
}
var result = parameters[0].ToNumber();
foreach (var p in parameters)
{
result = Math.Max(p.ToNumber(), result);
}
return Global.NumberClass.New(result);
}
/// <summary>
/// 8.10.5
/// </summary>
/// <param name="global"></param>
/// <param name="obj"></param>
/// <returns></returns>
internal static Descriptor ToPropertyDesciptor(IGlobal global, JsDictionaryObject owner, string name, JsInstance jsInstance) {
if (jsInstance.Class != JsInstance.CLASS_OBJECT) {
throw new JsException(global.TypeErrorClass.New("The target object has to be an instance of an object"));
}
JsObject obj = (JsObject)jsInstance;
if ((obj.HasProperty("value") || obj.HasProperty("writable")) && (obj.HasProperty("set") || obj.HasProperty("get"))) {
throw new JsException(global.TypeErrorClass.New("The property cannot be both writable and have get/set accessors or cannot have both a value and an accessor defined"));
}
Descriptor desc;
JsInstance result = null;
if (obj.HasProperty("value")) {
desc = new ValueDescriptor(owner, name, obj["value"]);
}
else {
desc = new PropertyDescriptor(global, owner, name);
}
if (obj.TryGetProperty("enumerable", out result)) {
desc.Enumerable = result.ToBoolean();
}
if (obj.TryGetProperty("configurable", out result)) {
desc.Configurable = result.ToBoolean();
}
if (obj.TryGetProperty("writable", out result)) {
desc.Writable = result.ToBoolean();
}
if (obj.TryGetProperty("get", out result)) {
if (!(result is JsFunction))
throw new JsException(global.TypeErrorClass.New("The getter has to be a function"));
((PropertyDescriptor)desc).GetFunction = (JsFunction)result;
}
if (obj.TryGetProperty("set", out result)) {
if (!(result is JsFunction))
throw new JsException(global.TypeErrorClass.New("The setter has to be a function"));
((PropertyDescriptor)desc).SetFunction = (JsFunction)result;
}
return desc;
}
/// <summary>
/// 15.2.2.1
/// </summary>
public override JsInstance Execute(IJintVisitor visitor, JsDictionaryObject that, JsInstance[] parameters)
{
if (parameters.Length > 0)
{
switch (parameters[0].Class)
{
case JsString.TYPEOF: return Global.StringClass.New(parameters[0].ToString());
case JsNumber.TYPEOF: return new JsNumber(parameters[0].ToNumber());
case JsBoolean.TYPEOF: return new JsBoolean(parameters[0].ToBoolean());
default:
return parameters[0];
}
}
return New(this);
}