| static private GetIConvertible ( Object ob ) : IConvertible | ||
| ob | Object | |
| return | IConvertible | |
private static Object DoOp(Object v1, Object v2, IConvertible ic1, IConvertible ic2, JSToken operatorTok)
{
if (operatorTok == JSToken.Minus)
{
IConvertible ic1a = ic1;
Object p1 = Convert.ToPrimitive(v1, PreferredType.Either, ref ic1a);
TypeCode t1 = Convert.GetTypeCode(p1, ic1a);
if (t1 == TypeCode.Char)
{
IConvertible ic2a = ic2;
Object p2 = Convert.ToPrimitive(v2, PreferredType.Either, ref ic2a);
TypeCode t2 = Convert.GetTypeCode(p2, ic2a);
if (t2 == TypeCode.String)
{
String str2 = ic2a.ToString(null);
if (str2.Length == 1)
{
t2 = TypeCode.Char;
p2 = str2[0];
ic2a = Convert.GetIConvertible(p2);
}
}
Object result = NumericBinary.DoOp(Convert.ToNumber(p1, ic1a), Convert.ToNumber(p2, ic2a), operatorTok);
if (t2 != TypeCode.Char)
{
result = Convert.Coerce2(result, TypeCode.Char, false);
}
return(result);
}
}
return(NumericBinary.DoOp(Convert.ToNumber(v1, ic1), Convert.ToNumber(v2, ic2), operatorTok));
}
internal static long Array_index_for(Object index)
{
if (index is Int32)
{
return((int)index);
}
IConvertible ic = Convert.GetIConvertible(index);
switch (Convert.GetTypeCode(index, ic))
{
case TypeCode.Char:
case TypeCode.SByte:
case TypeCode.Byte:
case TypeCode.Int16:
case TypeCode.UInt16:
case TypeCode.Int32:
case TypeCode.UInt32:
case TypeCode.Int64:
case TypeCode.UInt64:
case TypeCode.Decimal:
case TypeCode.Single:
case TypeCode.Double:
double d = ic.ToDouble(null);
long l = (long)d;
if (l >= 0 && (double)l == d)
{
return(l);
}
break;
}
return(-1);
}
public static bool JScriptEquals(Object v1, Object v2)
{
if (v1 is String && v2 is String)
{
return(v1.Equals(v2));
}
if (v1 is Int32 && v2 is Int32)
{
return(((int)v1) == (int)v2);
}
if (v1 is Double && v2 is Double)
{
return(((double)v1) == (double)v2);
}
if ((v2 == null || v2 is DBNull || v2 is Missing))
{
return(v1 == null || v1 is DBNull || v1 is Missing);
}
IConvertible ic1 = Convert.GetIConvertible(v1);
IConvertible ic2 = Convert.GetIConvertible(v2);
TypeCode t1 = Convert.GetTypeCode(v1, ic1);
TypeCode t2 = Convert.GetTypeCode(v2, ic2);
return(Equality.JScriptEquals(v1, v2, ic1, ic2, t1, t2, false));
}
public new ArrayObject CreateInstance(params Object[] args)
{
ArrayObject arrayObj = new ArrayObject(this.originalPrototype, typeof(ArrayObject));
if (args.Length != 0)
{
if (args.Length == 1)
{
Object arg0 = args[0];
IConvertible ic = Convert.GetIConvertible(arg0);
switch (Convert.GetTypeCode(arg0, ic))
{
case TypeCode.Char:
case TypeCode.SByte:
case TypeCode.Byte:
case TypeCode.Int16:
case TypeCode.UInt16:
case TypeCode.Int32:
case TypeCode.UInt32:
case TypeCode.Int64:
case TypeCode.UInt64:
case TypeCode.Single:
case TypeCode.Double:
case TypeCode.Decimal:
double d = Convert.ToNumber(arg0, ic);
uint len = Convert.ToUint32(arg0, ic);
if (d != (double)len)
{
throw new JScriptException(JSError.ArrayLengthConstructIncorrect);
}
arrayObj.length = len;
return(arrayObj);
}
}
if (args.Length == 1 && args[0] is Array)
{
Array array = (Array)args[0];
if (array.Rank != 1)
{
throw new JScriptException(JSError.TypeMismatch);
}
arrayObj.length = array.Length;
for (int i = 0; i < array.Length; i++)
{
arrayObj.SetValueAtIndex((uint)i, array.GetValue(i));
}
}
else
{
arrayObj.length = args.Length;
for (int i = 0; i < args.Length; i++)
{
arrayObj.SetValueAtIndex((uint)i, args[i]);
}
}
}
return(arrayObj);
}
public double EvaluateRelational(Object v1, Object v2)
{
if (v1 is Int32)
{
if (v2 is Int32)
{
return(((double)(int)v1) - (double)(int)v2);
}
else if (v2 is Double)
{
return(((Int32)v1) - (Double)v2);
}
}
else if (v1 is Double)
{
if (v2 is Double)
{
double d1 = (Double)v1;
double d2 = (Double)v2;
if (d1 == d2)
{
return(0); //d1 and d2 could be infinities
}
return(d1 - d2);
}
else if (v2 is Int32)
{
return(((Double)v1) - (Int32)v2);
}
}
IConvertible ic1 = Convert.GetIConvertible(v1);
IConvertible ic2 = Convert.GetIConvertible(v2);
TypeCode t1 = Convert.GetTypeCode(v1, ic1);
TypeCode t2 = Convert.GetTypeCode(v2, ic2);
if (t1 == TypeCode.Object && t2 == TypeCode.Object)
{
MethodInfo oper = this.GetOperator(v1.GetType(), v2.GetType());
if (oper != null)
{
bool result = Convert.ToBoolean(oper.Invoke(null, (BindingFlags)0, JSBinder.ob, new Object[] { v1, v2 }, null));
switch (this.operatorTok)
{
case JSToken.GreaterThan:
case JSToken.GreaterThanEqual:
return(result ? 1 : -1);
case JSToken.LessThan:
case JSToken.LessThanEqual:
return(result ? -1 : 1);
default:
throw new JScriptException(JSError.InternalError, this.context);
}
}
}
return(JScriptCompare2(v1, v2, ic1, ic2, t1, t2));
}
internal static bool JScriptStrictEquals(Object v1, Object v2, bool checkForDebuggerObjects)
{
IConvertible ic1 = Convert.GetIConvertible(v1);
IConvertible ic2 = Convert.GetIConvertible(v2);
TypeCode t1 = Convert.GetTypeCode(v1, ic1);
TypeCode t2 = Convert.GetTypeCode(v2, ic2);
return(StrictEquality.JScriptStrictEquals(v1, v2, ic1, ic2, t1, t2, checkForDebuggerObjects));
}
public new DateObject CreateInstance(params Object[] args)
{
if (args.Length == 0)
{
return(new DateObject(this.originalPrototype, DateTime.Now.ToUniversalTime().Ticks / DatePrototype.ticksPerMillisecond - DatePrototype.msTo1970));
}
if (args.Length == 1)
{
Object arg0 = args[0];
IConvertible ic = Convert.GetIConvertible(arg0);
TypeCode tcode = Convert.GetTypeCode(arg0, ic);
if (tcode == TypeCode.DateTime)
{
return(new DateObject(this.originalPrototype, ic.ToDateTime(null).ToUniversalTime().Ticks / DatePrototype.ticksPerMillisecond - DatePrototype.msTo1970));
}
Object yv = Convert.ToPrimitive(arg0, PreferredType.Either, ref ic);
if (Convert.GetTypeCode(yv, ic) == TypeCode.String)
{
return(new DateObject(this.originalPrototype, parse(ic.ToString(null))));
}
double d = Convert.ToNumber(yv, ic);
if (DatePrototype.minDate <= d && d <= DatePrototype.maxDate)
{
return(new DateObject(this.originalPrototype, d));
}
return(new DateObject(this.originalPrototype, Double.NaN));
}
double dyear = Convert.ToNumber(args[0]);
double dmonth = Convert.ToNumber(args[1]);
double ddate = (args.Length > 2) ? Convert.ToNumber(args[2]) : 1;
double dhours = (args.Length > 3) ? Convert.ToNumber(args[3]) : 0;
double dminutes = (args.Length > 4) ? Convert.ToNumber(args[4]) : 0;
double dseconds = (args.Length > 5) ? Convert.ToNumber(args[5]) : 0;
double dms = (args.Length > 6) ? Convert.ToNumber(args[6]) : 0;
int y = (int)dyear;
if (!Double.IsNaN(dyear) && 0 <= y && y <= 99)
{
dyear = y + 1900;
}
double day = DatePrototype.MakeDay(dyear, dmonth, ddate);
double time = DatePrototype.MakeTime(dhours, dminutes, dseconds, dms);
return(new DateObject(this.originalPrototype, DatePrototype.TimeClip(DatePrototype.UTC(DatePrototype.MakeDate(day, time)))));
}
public Object EvaluatePostOrPrefix(ref Object v)
{
int i; uint ui; long l; ulong ul; double d;
IConvertible ic = Convert.GetIConvertible(v);
switch (Convert.GetTypeCode(v, ic))
{
case TypeCode.Empty: v = Double.NaN; return(v);
case TypeCode.DBNull: v = 0; return(this.DoOp(0));
case TypeCode.Boolean:
case TypeCode.SByte:
case TypeCode.Byte:
case TypeCode.Int16:
case TypeCode.UInt16:
case TypeCode.Int32: v = i = ic.ToInt32(null); return(this.DoOp(i));
case TypeCode.Char: i = ic.ToInt32(null); return(((IConvertible)this.DoOp(i)).ToChar(null));
case TypeCode.UInt32: v = ui = ic.ToUInt32(null); return(this.DoOp(ui));
case TypeCode.Int64: v = l = ic.ToInt64(null); return(this.DoOp(l));
case TypeCode.UInt64: v = ul = ic.ToUInt64(null); return(this.DoOp(ul));
case TypeCode.Single:
case TypeCode.Double: v = d = ic.ToDouble(null); return(this.DoOp(d));
}
MethodInfo oper = this.GetOperator(v.GetType());
if (oper != null)
{
return(oper.Invoke(null, (BindingFlags)0, JSBinder.ob, new Object[] { v }, null));
}
else
{
v = d = Convert.ToNumber(v, ic);
return(this.DoOp(d));
}
}
public static Object DoOp(Object v1, Object v2)
{
IConvertible ic1 = Convert.GetIConvertible(v1);
IConvertible ic2 = Convert.GetIConvertible(v2);
v1 = Convert.ToPrimitive(v1, PreferredType.Either, ref ic1);
v2 = Convert.ToPrimitive(v2, PreferredType.Either, ref ic2);
TypeCode t1 = Convert.GetTypeCode(v1, ic1);
TypeCode t2 = Convert.GetTypeCode(v2, ic2);
if (t1 == TypeCode.String)
{
if (v1 is ConcatString)
{
return(new ConcatString((ConcatString)v1, Convert.ToString(v2, ic2)));
}
else
{
return(new ConcatString(ic1.ToString(null), Convert.ToString(v2, ic2)));
}
}
else if (t2 == TypeCode.String)
{
return(Convert.ToString(v1, ic1) + ic2.ToString(null));
}
else if (t1 == TypeCode.Char && t2 == TypeCode.Char)
{
return(ic1.ToString(null) + ic2.ToString(null));
}
else if ((t1 == TypeCode.Char && (Convert.IsPrimitiveNumericTypeCode(t2) || t2 == TypeCode.Boolean)) ||
(t2 == TypeCode.Char && (Convert.IsPrimitiveNumericTypeCode(t1) || t1 == TypeCode.Boolean)))
{
return((char)(int)Runtime.DoubleToInt64(Convert.ToNumber(v1, ic1) + Convert.ToNumber(v2, ic2)));
}
else
{
return(Convert.ToNumber(v1, ic1) + Convert.ToNumber(v2, ic2));
}
}
public static String toString(Object thisob)
{
StringObject strob = thisob as StringObject;
if (strob != null)
{
return(strob.value);
}
ConcatString concatStr = thisob as ConcatString;
if (concatStr != null)
{
return(concatStr.ToString());
}
IConvertible ic = Convert.GetIConvertible(thisob);
if (Convert.GetTypeCode(thisob, ic) == TypeCode.String)
{
return(ic.ToString(null));
}
throw new JScriptException(JSError.StringExpected);
}
public static double JScriptCompare(Object v1, Object v2)
{
if (v1 is Int32)
{
if (v2 is Int32)
{
return(((Int32)v1) - (Int32)v2);
}
else if (v2 is Double)
{
return(((Int32)v1) - (Double)v2);
}
}
else if (v1 is Double)
{
if (v2 is Double)
{
double d1 = (Double)v1;
double d2 = (Double)v2;
if (d1 == d2)
{
return(0); //d1 and d2 could be infinities
}
return(d1 - d2);
}
else if (v2 is Int32)
{
return(((Double)v1) - (Int32)v2);
}
}
IConvertible ic1 = Convert.GetIConvertible(v1);
IConvertible ic2 = Convert.GetIConvertible(v2);
TypeCode t1 = Convert.GetTypeCode(v1, ic1);
TypeCode t2 = Convert.GetTypeCode(v2, ic2);
return(JScriptCompare2(v1, v2, ic1, ic2, t1, t2));
}
public virtual Object InvokeMember(String name, BindingFlags invokeAttr, Binder binder, Object target,
Object[] args, ParameterModifier[] modifiers, CultureInfo locale, String[] namedParameters)
{
if (target != this)
{
throw new TargetException();
}
bool preferredTypeSpecified = name.StartsWith("< JScript-");
bool dispid0 = (name == null || name == String.Empty || name.Equals("[DISPID=0]") || preferredTypeSpecified);
if ((invokeAttr & BindingFlags.CreateInstance) != 0)
{
if ((invokeAttr & (BindingFlags.InvokeMethod | BindingFlags.GetField | BindingFlags.GetProperty |
BindingFlags.SetField | BindingFlags.SetProperty | BindingFlags.PutDispProperty)) != 0)
{
throw new ArgumentException();
}
//js: x = new foo() --> dispid0, create
if (dispid0)
{
throw new MissingMethodException();
}
//js: x = new foo.name() --> dispid0, create
LateBinding lb = new LateBinding(name, this);
return(lb.Call(binder, args, modifiers, locale, namedParameters, true, false, this.engine));
}
//According to docs, name == null is only valid for CreateInstance
if (name == null)
{
throw new ArgumentException();
}
if ((invokeAttr & (BindingFlags.InvokeMethod | BindingFlags.GetField | BindingFlags.GetProperty)) != 0)
{
if ((invokeAttr & (BindingFlags.SetField | BindingFlags.SetProperty | BindingFlags.PutDispProperty)) != 0)
{
throw new ArgumentException();
}
if (dispid0)
{
//All callable functions inherit from ScriptFunction which overrides this method to handle
//the InvokeMethod case.
//js,vbs: x = foo() --> dispid0, invoke
if ((invokeAttr & (BindingFlags.GetField | BindingFlags.GetProperty)) == 0)
{
throw new MissingMethodException();
}
//js: x = foo --> dispid0, propget; vbs: x = foo --> dispid0, invoke|propget
if (args == null || args.Length == 0)
{
if (this is JSObject || this is GlobalScope || this is ClassScope)
{
PreferredType preferredType = PreferredType.Either;
if (preferredTypeSpecified)
{
if (name.StartsWith("< JScript-Number"))
{
preferredType = PreferredType.Number;
}
else if (name.StartsWith("< JScript-String"))
{
preferredType = PreferredType.String;
}
else if (name.StartsWith("< JScript-LocaleString"))
{
preferredType = PreferredType.LocaleString;
}
}
return(this.GetDefaultValue(preferredType));
}
throw new MissingFieldException();
}
//We support indexed properties with exactly one index on all script objects.
//js,vbs: x = foo(1,2) --> dispid0, invoke|propget
if (args.Length > 1)
{
throw new ArgumentException();
}
//js,vbs: x = foo(1) --> dispid0, invoke|propget
Object val = args[0];
if (val is Int32)
{
return(this[(int)val]);
}
IConvertible ic = Convert.GetIConvertible(val);
if (ic != null && Convert.IsPrimitiveNumericTypeCode(ic.GetTypeCode()))
{
double d = ic.ToDouble(null);
if (d >= 0 && d <= Int32.MaxValue && d == System.Math.Round(d))
{
return(this[(int)d]);
}
}
return(this[Convert.ToString(val)]);
}
//If no arguments are supplied, prefer GetXXXX rather than Invoke.
//js: x = foo.bar --> name="bar", propget; vbs: x = foo.bar --> name="bar", propget|invoke
if ((args == null || args.Length == 0) && (invokeAttr & (BindingFlags.GetField | BindingFlags.GetProperty)) != 0)
{
Object member = this.GetMemberValue(name);
if (member != Missing.Value)
{
return(member);
}
//js: x = foo.bar --> name="bar", propget
if ((invokeAttr & BindingFlags.InvokeMethod) == 0)
{
throw new MissingFieldException();
}
}
//Use LateBinding to call because arguments have been supplied.
//vbs: x = foo.bar --> name="bar", propget|invoke
//js,vbs: x = foo.bar() --> name="bar", invoke
//js,vbs: x = foo.bar(1) --> name="bar", invoke|propget
LateBinding lb = new LateBinding(name, this);
return(lb.Call(binder, args, modifiers, locale, namedParameters, false, false, this.engine));
}
if ((invokeAttr & (BindingFlags.SetField | BindingFlags.SetProperty | BindingFlags.PutDispProperty)) != 0)
{
if (dispid0)
{
if (args == null || args.Length != 2)
{
throw new ArgumentException();
}
Object val = args[0];
if (val is Int32)
{
this[(int)val] = args[1];
return(null);
}
IConvertible ic = Convert.GetIConvertible(val);
if (ic != null && Convert.IsPrimitiveNumericTypeCode(ic.GetTypeCode()))
{
double d = ic.ToDouble(null);
if (d >= 0 && d <= Int32.MaxValue && d == System.Math.Round(d))
{
this[(int)d] = args[1];
return(null);
}
}
this[Convert.ToString(val)] = args[1];
return(null);
}
if (args == null || args.Length > 1)
{
throw new ArgumentException();
}
this.SetMemberValue(name, args[0]);
return(null);
}
throw new ArgumentException();
}
private static double JScriptCompare2(Object v1, Object v2, IConvertible ic1, IConvertible ic2, TypeCode t1, TypeCode t2)
{
if (t1 == TypeCode.Object)
{
v1 = Convert.ToPrimitive(v1, PreferredType.Number, ref ic1);
t1 = Convert.GetTypeCode(v1, ic1);
}
if (t2 == TypeCode.Object)
{
v2 = Convert.ToPrimitive(v2, PreferredType.Number, ref ic2);
t2 = Convert.GetTypeCode(v2, ic2);
}
switch (t1)
{
case TypeCode.Char:
if (t2 == TypeCode.String)
{
return(String.CompareOrdinal(Convert.ToString(v1, ic1), ic2.ToString(null)));
}
goto case TypeCode.UInt16;
case TypeCode.SByte:
case TypeCode.Byte:
case TypeCode.Int16:
case TypeCode.UInt16:
case TypeCode.Int32:
case TypeCode.UInt32:
case TypeCode.Int64:
long l = ic1.ToInt64(null);
switch (t2)
{
case TypeCode.SByte:
case TypeCode.Byte:
case TypeCode.Int16:
case TypeCode.UInt16:
case TypeCode.Int32:
case TypeCode.UInt32:
case TypeCode.Int64:
return(l - ic2.ToInt64(null));
case TypeCode.UInt64:
if (l < 0)
{
return(-1);
}
ulong ul2 = ic2.ToUInt64(null);
if (((ulong)l) < ul2)
{
return(-1);
}
if (((ulong)l) == ul2)
{
return(0);
}
return(1);
case TypeCode.Single:
case TypeCode.Double:
return(((double)l) - ic2.ToDouble(null));
case TypeCode.Decimal:
return((double)(new Decimal(l) - ic2.ToDecimal(null)));
default:
Object bd2 = Convert.ToNumber(v2, ic2);
return(JScriptCompare2(v1, bd2, ic1, Convert.GetIConvertible(bd2), t1, TypeCode.Double));
}
case TypeCode.UInt64:
ulong ul = ic1.ToUInt64(null);
switch (t2)
{
case TypeCode.SByte:
case TypeCode.Byte:
case TypeCode.Int16:
case TypeCode.UInt16:
case TypeCode.Int32:
case TypeCode.UInt32:
case TypeCode.Int64:
long l2 = ic2.ToInt64(null);
if (l2 < 0)
{
return(1);
}
if (ul == (ulong)l2)
{
return(0);
}
return(-1);
case TypeCode.UInt64:
ulong ul2 = ic2.ToUInt64(null);
if (ul < ul2)
{
return(-1);
}
if (ul == ul2)
{
return(0);
}
return(1);
case TypeCode.Single:
case TypeCode.Double:
return(((double)ul) - ic2.ToDouble(null));
case TypeCode.Decimal:
return((double)(new Decimal(ul) - ic2.ToDecimal(null)));
default:
Object bd2 = Convert.ToNumber(v2, ic2);
return(JScriptCompare2(v1, bd2, ic1, Convert.GetIConvertible(bd2), t1, TypeCode.Double));
}
case TypeCode.Decimal:
Decimal dec1 = ic1.ToDecimal(null);
switch (t2)
{
case TypeCode.SByte:
case TypeCode.Byte:
case TypeCode.Int16:
case TypeCode.UInt16:
case TypeCode.Int32:
case TypeCode.UInt32:
case TypeCode.Int64:
return((double)(dec1 - new Decimal(ic2.ToInt64(null))));
case TypeCode.UInt64:
return((double)(dec1 - new Decimal(ic2.ToUInt64(null))));
case TypeCode.Single:
case TypeCode.Double:
return((double)(dec1 - new Decimal(ic2.ToDouble(null))));
case TypeCode.Decimal:
return((double)(dec1 - ic2.ToDecimal(null)));
default:
return((double)(dec1 - new Decimal(Convert.ToNumber(v2, ic2))));
}
case TypeCode.String:
switch (t2)
{
case TypeCode.String: return(String.CompareOrdinal(ic1.ToString(null), ic2.ToString(null)));
case TypeCode.Char: return(String.CompareOrdinal(ic1.ToString(null), Convert.ToString(v2, ic2)));
}
goto default;
default:
double d1 = Convert.ToNumber(v1, ic1);
double d2 = Convert.ToNumber(v2, ic2);
if (d1 == d2)
{
return(0); //d1 and d2 could be infinities
}
return(d1 - d2);
}
}
private Object EvaluateBitwiseBinary(Object v1, Object v2, JSToken operatorTok)
{
IConvertible ic1 = Convert.GetIConvertible(v1);
IConvertible ic2 = Convert.GetIConvertible(v2);
TypeCode t1 = Convert.GetTypeCode(v1, ic1);
TypeCode t2 = Convert.GetTypeCode(v2, ic2);
switch (t1)
{
case TypeCode.Empty:
case TypeCode.DBNull:
return(EvaluateBitwiseBinary(0, v2, operatorTok));
case TypeCode.Boolean:
case TypeCode.Char:
case TypeCode.SByte:
case TypeCode.Byte:
case TypeCode.Int16:
case TypeCode.UInt16:
case TypeCode.Int32:
int i = ic1.ToInt32(null);
switch (t2)
{
case TypeCode.Empty:
case TypeCode.DBNull:
return(DoOp(i, 0, operatorTok));
case TypeCode.Boolean:
case TypeCode.Char:
case TypeCode.SByte:
case TypeCode.Byte:
case TypeCode.Int16:
case TypeCode.UInt16:
case TypeCode.Int32:
return(DoOp(i, ic2.ToInt32(null), operatorTok));
case TypeCode.UInt32:
case TypeCode.Int64:
case TypeCode.UInt64:
case TypeCode.Single:
case TypeCode.Double:
return(DoOp(i, (int)(long)ic2.ToDouble(null), operatorTok));
case TypeCode.Object:
case TypeCode.Decimal:
case TypeCode.DateTime:
case TypeCode.String:
break;
}
break;
case TypeCode.UInt32:
case TypeCode.Int64:
case TypeCode.UInt64:
case TypeCode.Single:
case TypeCode.Double:
i = (int)(long)ic1.ToDouble(null);
switch (t2)
{
case TypeCode.Empty:
case TypeCode.DBNull:
return(DoOp(i, 0, operatorTok));
case TypeCode.Boolean:
case TypeCode.Char:
case TypeCode.SByte:
case TypeCode.Byte:
case TypeCode.Int16:
case TypeCode.UInt16:
case TypeCode.Int32:
return(DoOp(i, ic2.ToInt32(null), operatorTok));
case TypeCode.UInt32:
case TypeCode.Int64:
case TypeCode.UInt64:
case TypeCode.Single:
case TypeCode.Double:
return(DoOp(i, (int)(long)ic2.ToDouble(null), operatorTok));
case TypeCode.Object:
case TypeCode.Decimal:
case TypeCode.DateTime:
case TypeCode.String:
break;
}
break;
case TypeCode.Object:
case TypeCode.Decimal:
case TypeCode.DateTime:
case TypeCode.String:
break;
}
if (v2 == null)
{
return(DoOp(Convert.ToInt32(v1), 0, this.operatorTok));
}
MethodInfo oper = this.GetOperator(v1.GetType(), v2.GetType());
if (oper != null)
{
return(oper.Invoke(null, (BindingFlags)0, JSBinder.ob, new Object[] { v1, v2 }, null));
}
else
{
return(DoOp(Convert.ToInt32(v1), Convert.ToInt32(v2), this.operatorTok));
}
}
internal override Object GetDefaultValue(PreferredType preferred_type)
{
if (preferred_type == PreferredType.String)
{
ScriptFunction toString = this.GetMemberValue("toString") as ScriptFunction;
if (toString != null)
{
Object result = toString.Call(new Object[0], this);
if (result == null)
{
return(result);
}
IConvertible ic = Convert.GetIConvertible(result);
if (ic != null && ic.GetTypeCode() != TypeCode.Object)
{
return(result);
}
}
ScriptFunction valueOf = this.GetMemberValue("valueOf") as ScriptFunction;
if (valueOf != null)
{
Object result = valueOf.Call(new Object[0], this);
if (result == null)
{
return(result);
}
IConvertible ic = Convert.GetIConvertible(result);
if (ic != null && ic.GetTypeCode() != TypeCode.Object)
{
return(result);
}
}
}
else if (preferred_type == PreferredType.LocaleString)
{
ScriptFunction toLocaleString = this.GetMemberValue("toLocaleString") as ScriptFunction;
if (toLocaleString != null)
{
return(toLocaleString.Call(new Object[0], this));
}
}
else
{
if (preferred_type == PreferredType.Either && this is DateObject)
{
return(this.GetDefaultValue(PreferredType.String));
}
ScriptFunction valueOf = this.GetMemberValue("valueOf") as ScriptFunction;
if (valueOf != null)
{
Object result = valueOf.Call(new Object[0], this);
if (result == null)
{
return(result);
}
IConvertible ic = Convert.GetIConvertible(result);
if (ic != null && ic.GetTypeCode() != TypeCode.Object)
{
return(result);
}
}
ScriptFunction toString = this.GetMemberValue("toString") as ScriptFunction;
if (toString != null)
{
Object result = toString.Call(new Object[0], this);
if (result == null)
{
return(result);
}
IConvertible ic = Convert.GetIConvertible(result);
if (ic != null && ic.GetTypeCode() != TypeCode.Object)
{
return(result);
}
}
}
return(this);
}
private void TranslateToIL(ILGenerator il, Object val, Type rtype)
{
IConvertible ic = Convert.GetIConvertible(val);
switch (Convert.GetTypeCode(val, ic))
{
case TypeCode.Empty:
il.Emit(OpCodes.Ldnull);
if (rtype.IsValueType)
{
Convert.Emit(this, il, Typeob.Object, rtype);
}
return;
case TypeCode.Object:
break;
case TypeCode.DBNull:
il.Emit(OpCodes.Ldsfld, typeof(DBNull).GetField("Value"));
Convert.Emit(this, il, Typeob.Null, rtype);
return;
case TypeCode.Boolean:
ConstantWrapper.TranslateToILInt(il, ic.ToInt32(null));
Convert.Emit(this, il, Typeob.Boolean, rtype);
return;
case TypeCode.Char:
case TypeCode.SByte:
case TypeCode.Byte:
case TypeCode.Int16:
case TypeCode.UInt16:
case TypeCode.Int32:
ConstantWrapper.TranslateToILInt(il, ic.ToInt32(null));
if (rtype.IsEnum)
{
return;
}
if (val is EnumWrapper)
{
Convert.Emit(this, il, ((EnumWrapper)val).type.GetTypeBuilderOrEnumBuilder(), rtype);
}
else
{
Convert.Emit(this, il, val.GetType(), rtype);
}
return;
case TypeCode.UInt32:
ConstantWrapper.TranslateToILInt(il, (int)ic.ToUInt32(null));
if (rtype.IsEnum)
{
return;
}
if (val is EnumWrapper)
{
Convert.Emit(this, il, ((EnumWrapper)val).type.GetTypeBuilderOrEnumBuilder(), rtype);
}
else
{
Convert.Emit(this, il, Typeob.UInt32, rtype);
}
return;
case TypeCode.Int64:
long l = ic.ToInt64(null);
if (Int32.MinValue <= l && l <= Int32.MaxValue)
{
ConstantWrapper.TranslateToILInt(il, (int)l);
il.Emit(OpCodes.Conv_I8);
}
else
{
il.Emit(OpCodes.Ldc_I8, l);
}
if (rtype.IsEnum)
{
return;
}
if (val is EnumWrapper)
{
Convert.Emit(this, il, ((EnumWrapper)val).type.GetTypeBuilderOrEnumBuilder(), rtype);
}
else
{
Convert.Emit(this, il, Typeob.Int64, rtype);
}
return;
case TypeCode.UInt64:
ulong ul = ic.ToUInt64(null);
if (ul <= Int32.MaxValue)
{
ConstantWrapper.TranslateToILInt(il, (int)ul);
il.Emit(OpCodes.Conv_I8);
}
else
{
il.Emit(OpCodes.Ldc_I8, (long)ul);
}
if (rtype.IsEnum)
{
return;
}
if (val is EnumWrapper)
{
Convert.Emit(this, il, ((EnumWrapper)val).type.GetTypeBuilderOrEnumBuilder(), rtype);
}
else
{
Convert.Emit(this, il, Typeob.UInt64, rtype);
}
return;
case TypeCode.Single:
float f = ic.ToSingle(null);
if (f == f && (f != 0 || !Single.IsNegativeInfinity(1 / f)))
{
int i = (int)f;
if (-128 <= i && i <= 127 && f == (float)i)
{
ConstantWrapper.TranslateToILInt(il, i);
il.Emit(OpCodes.Conv_R4);
}
else
{
il.Emit(OpCodes.Ldc_R4, f);
}
}
else
{
il.Emit(OpCodes.Ldc_R4, f);
}
Convert.Emit(this, il, Typeob.Single, rtype);
return;
case TypeCode.Double:
double d = ic.ToDouble(null);
if (d == d && (d != 0 || !Double.IsNegativeInfinity(1 / d)))
{
int i = (int)d;
if (-128 <= i && i <= 127 && d == (double)i)
{
ConstantWrapper.TranslateToILInt(il, i);
il.Emit(OpCodes.Conv_R8);
}
else
{
il.Emit(OpCodes.Ldc_R8, d);
}
}
else
{
il.Emit(OpCodes.Ldc_R8, d);
}
Convert.Emit(this, il, Typeob.Double, rtype);
return;
case TypeCode.Decimal:
int[] bits = Decimal.GetBits(ic.ToDecimal(null));
ConstantWrapper.TranslateToILInt(il, bits[0]);
ConstantWrapper.TranslateToILInt(il, bits[1]);
ConstantWrapper.TranslateToILInt(il, bits[2]);
il.Emit(bits[3] < 0 ? OpCodes.Ldc_I4_1 : OpCodes.Ldc_I4_0); //bool isNegative
ConstantWrapper.TranslateToILInt(il, (bits[3] & 0x7FFFFFFF) >> 16);
il.Emit(OpCodes.Newobj, CompilerGlobals.decimalConstructor);
Convert.Emit(this, il, Typeob.Decimal, rtype);
return;
case TypeCode.DateTime:
l = ic.ToDateTime(null).Ticks;
il.Emit(OpCodes.Ldc_I8, l);
Convert.Emit(this, il, Typeob.Int64, rtype);
return;
case TypeCode.String:
String str = ic.ToString(null);
if (rtype == Typeob.Char && str.Length == 1)
{
ConstantWrapper.TranslateToILInt(il, (int)str[0]);
return;
}
il.Emit(OpCodes.Ldstr, str);
Convert.Emit(this, il, Typeob.String, rtype);
return;
}
if (val is Enum)
{
if (rtype == Typeob.String)
{
this.TranslateToIL(il, val.ToString(), rtype);
}
else if (rtype.IsPrimitive)
{
this.TranslateToIL(il, System.Convert.ChangeType(val, Enum.GetUnderlyingType(val.GetType())), rtype);
}
else
{
Type et = val.GetType();
Type ut = Enum.GetUnderlyingType(et);
this.TranslateToIL(il, System.Convert.ChangeType(val, ut), ut);
il.Emit(OpCodes.Box, et);
Convert.Emit(this, il, Typeob.Object, rtype);
}
return;
}
if (val is EnumWrapper)
{
if (rtype == Typeob.String)
{
this.TranslateToIL(il, val.ToString(), rtype);
}
else if (rtype.IsPrimitive)
{
this.TranslateToIL(il, ((EnumWrapper)val).ToNumericValue(), rtype);
}
else
{
Type et = ((EnumWrapper)val).type.owner.GetTypeBuilderOrEnumBuilder();
Type ut = ((EnumWrapper)val).value.GetType();
this.TranslateToIL(il, ((EnumWrapper)val).value, ut);
il.Emit(OpCodes.Box, et);
Convert.Emit(this, il, Typeob.Object, rtype);
}
return;
}
if (val is Type)
{
il.Emit(OpCodes.Ldtoken, (Type)val);
il.Emit(OpCodes.Call, CompilerGlobals.getTypeFromHandleMethod);
Convert.Emit(this, il, Typeob.Type, rtype);
}
else if (val is Namespace)
{
il.Emit(OpCodes.Ldstr, ((Namespace)val).Name);
this.EmitILToLoadEngine(il);
il.Emit(OpCodes.Call, CompilerGlobals.getNamespaceMethod);
Convert.Emit(this, il, typeof(Namespace), rtype);
}
else if (val is ClassScope)
{
il.Emit(OpCodes.Ldtoken, ((ClassScope)val).GetTypeBuilderOrEnumBuilder());
il.Emit(OpCodes.Call, CompilerGlobals.getTypeFromHandleMethod);
Convert.Emit(this, il, Typeob.Type, rtype);
}
else if (val is TypedArray)
{
il.Emit(OpCodes.Ldtoken, Convert.ToType((TypedArray)val));
il.Emit(OpCodes.Call, CompilerGlobals.getTypeFromHandleMethod);
Convert.Emit(this, il, Typeob.Type, rtype);
}
else if (val is NumberObject)
{
this.TranslateToIL(il, ((NumberObject)val).value, Typeob.Object);
this.EmitILToLoadEngine(il);
il.Emit(OpCodes.Call, CompilerGlobals.toObjectMethod);
Convert.Emit(this, il, Typeob.NumberObject, rtype);
}
else if (val is StringObject)
{
il.Emit(OpCodes.Ldstr, ((StringObject)val).value);
this.EmitILToLoadEngine(il);
il.Emit(OpCodes.Call, CompilerGlobals.toObjectMethod);
Convert.Emit(this, il, Typeob.StringObject, rtype);
}
else if (val is BooleanObject)
{
il.Emit(((BooleanObject)val).value ? OpCodes.Ldc_I4_1 : OpCodes.Ldc_I4_0);
il.Emit(OpCodes.Box, Typeob.Boolean);
this.EmitILToLoadEngine(il);
il.Emit(OpCodes.Call, CompilerGlobals.toObjectMethod);
Convert.Emit(this, il, Typeob.BooleanObject, rtype);
}
else if (val is ActiveXObjectConstructor)
{
il.Emit(OpCodes.Call, Typeob.GlobalObject.GetProperty("ActiveXObject").GetGetMethod());
Convert.Emit(this, il, Typeob.ScriptFunction, rtype);
}
else if (val is ArrayConstructor)
{
il.Emit(OpCodes.Call, Typeob.GlobalObject.GetProperty("Array").GetGetMethod());
Convert.Emit(this, il, Typeob.ScriptFunction, rtype);
}
else if (val is BooleanConstructor)
{
il.Emit(OpCodes.Call, Typeob.GlobalObject.GetProperty("Boolean").GetGetMethod());
Convert.Emit(this, il, Typeob.ScriptFunction, rtype);
}
else if (val is DateConstructor)
{
il.Emit(OpCodes.Call, Typeob.GlobalObject.GetProperty("Date").GetGetMethod());
Convert.Emit(this, il, Typeob.ScriptFunction, rtype);
}
else if (val is EnumeratorConstructor)
{
il.Emit(OpCodes.Call, Typeob.GlobalObject.GetProperty("Enumerator").GetGetMethod());
Convert.Emit(this, il, Typeob.ScriptFunction, rtype);
}
else if (val is ErrorConstructor)
{
ErrorConstructor error = (ErrorConstructor)val;
if (error == ErrorConstructor.evalOb)
{
il.Emit(OpCodes.Call, Typeob.GlobalObject.GetProperty("EvalError").GetGetMethod());
}
else if (error == ErrorConstructor.rangeOb)
{
il.Emit(OpCodes.Call, Typeob.GlobalObject.GetProperty("RangeError").GetGetMethod());
}
else if (error == ErrorConstructor.referenceOb)
{
il.Emit(OpCodes.Call, Typeob.GlobalObject.GetProperty("ReferenceError").GetGetMethod());
}
else if (error == ErrorConstructor.syntaxOb)
{
il.Emit(OpCodes.Call, Typeob.GlobalObject.GetProperty("SyntaxError").GetGetMethod());
}
else if (error == ErrorConstructor.typeOb)
{
il.Emit(OpCodes.Call, Typeob.GlobalObject.GetProperty("TypeError").GetGetMethod());
}
else if (error == ErrorConstructor.uriOb)
{
il.Emit(OpCodes.Call, Typeob.GlobalObject.GetProperty("URIError").GetGetMethod());
}
else
{
il.Emit(OpCodes.Call, Typeob.GlobalObject.GetProperty("Error").GetGetMethod());
}
Convert.Emit(this, il, Typeob.ScriptFunction, rtype);
}
else if (val is FunctionConstructor)
{
il.Emit(OpCodes.Call, Typeob.GlobalObject.GetProperty("Function").GetGetMethod());
Convert.Emit(this, il, Typeob.ScriptFunction, rtype);
}
else if (val is MathObject)
{
il.Emit(OpCodes.Call, Typeob.GlobalObject.GetProperty("Math").GetGetMethod());
Convert.Emit(this, il, Typeob.JSObject, rtype);
}
else if (val is NumberConstructor)
{
il.Emit(OpCodes.Call, Typeob.GlobalObject.GetProperty("Number").GetGetMethod());
Convert.Emit(this, il, Typeob.ScriptFunction, rtype);
}
else if (val is ObjectConstructor)
{
il.Emit(OpCodes.Call, Typeob.GlobalObject.GetProperty("Object").GetGetMethod());
Convert.Emit(this, il, Typeob.ScriptFunction, rtype);
}
else if (val is RegExpConstructor)
{
il.Emit(OpCodes.Call, Typeob.GlobalObject.GetProperty("RegExp").GetGetMethod());
Convert.Emit(this, il, Typeob.ScriptFunction, rtype);
}
else if (val is StringConstructor)
{
il.Emit(OpCodes.Call, Typeob.GlobalObject.GetProperty("String").GetGetMethod());
Convert.Emit(this, il, Typeob.ScriptFunction, rtype);
}
else if (val is VBArrayConstructor)
{
il.Emit(OpCodes.Call, Typeob.GlobalObject.GetProperty("VBArray").GetGetMethod());
Convert.Emit(this, il, Typeob.ScriptFunction, rtype);
}
else if (val is IntPtr)
{
il.Emit(OpCodes.Ldc_I8, (long)(IntPtr)val);
il.Emit(OpCodes.Conv_I);
Convert.Emit(this, il, typeof(IntPtr), rtype);
}
else if (val is UIntPtr)
{
il.Emit(OpCodes.Ldc_I8, (long)(UIntPtr)val);
il.Emit(OpCodes.Conv_U);
Convert.Emit(this, il, typeof(UIntPtr), rtype);
}
else if (val is Missing)
{
il.Emit(OpCodes.Ldsfld, CompilerGlobals.missingField);
Convert.Emit(this, il, Typeob.Object, rtype);
}
else if (val is System.Reflection.Missing)
{
if (rtype.IsPrimitive)
{
this.TranslateToIL(il, Double.NaN, rtype);
}
else if (rtype != Typeob.Object && !rtype.IsValueType)
{
il.Emit(OpCodes.Ldnull);
}
else
{
il.Emit(OpCodes.Ldsfld, CompilerGlobals.systemReflectionMissingField);
Convert.Emit(this, il, Typeob.Object, rtype);
}
}
else if (val != this.value) //Value was coerced to some type we have no compile time knowlegde of
{
this.TranslateToIL(il, this.value, rtype);
}
else
{
throw new JScriptException(JSError.InternalError, this.context); //It should not be possible to wrap any other kind of object
}
}
private bool EvaluateEquality(Object v1, Object v2, bool checkForDebuggerObjects)
{
if (v1 is String && v2 is String)
{
return(v1.Equals(v2));
}
if (v1 is Int32 && v2 is Int32)
{
return(((int)v1) == (int)v2);
}
if (v1 is Double && v2 is Double)
{
return(((double)v1) == (double)v2);
}
if ((v2 == null || v2 is DBNull || v2 is Missing) && !checkForDebuggerObjects)
{
return(v1 == null || v1 is DBNull || v1 is Missing);
}
IConvertible ic1 = Convert.GetIConvertible(v1);
IConvertible ic2 = Convert.GetIConvertible(v2);
TypeCode t1 = Convert.GetTypeCode(v1, ic1);
TypeCode t2 = Convert.GetTypeCode(v2, ic2);
switch (t1)
{
case TypeCode.Empty:
case TypeCode.DBNull:
break;
case TypeCode.Object:
switch (t2)
{
case TypeCode.Empty:
case TypeCode.DBNull:
break;
default:
MethodInfo oper = this.GetOperator(v1.GetType(), v2.GetType());
if (oper != null)
{
bool result = (bool)oper.Invoke(null, (BindingFlags)0, JSBinder.ob, new Object[] { v1, v2 }, null);
if (this.operatorTok == JSToken.NotEqual)
{
return(!result);
}
return(result);
}
break;
}
break;
default:
switch (t2)
{
case TypeCode.Object:
MethodInfo oper = this.GetOperator(v1.GetType(), v2.GetType());
if (oper != null)
{
bool result = (bool)oper.Invoke(null, (BindingFlags)0, JSBinder.ob, new Object[] { v1, v2 }, null);
if (this.operatorTok == JSToken.NotEqual)
{
return(!result);
}
return(result);
}
break;
}
break;
}
return(Equality.JScriptEquals(v1, v2, ic1, ic2, t1, t2, checkForDebuggerObjects));
}
private static bool JScriptEquals(Object v1, Object v2, IConvertible ic1, IConvertible ic2, TypeCode t1, TypeCode t2, bool checkForDebuggerObjects)
{
if (StrictEquality.JScriptStrictEquals(v1, v2, ic1, ic2, t1, t2, checkForDebuggerObjects))
{
return(true);
}
if (t2 == TypeCode.Boolean)
{
v2 = ic2.ToBoolean(null) ? 1 : 0;
ic2 = Convert.GetIConvertible(v2);
return(Equality.JScriptEquals(v1, v2, ic1, ic2, t1, TypeCode.Int32, false));
}
switch (t1)
{
case TypeCode.Empty: return(t2 == TypeCode.Empty || t2 == TypeCode.DBNull || (t2 == TypeCode.Object && v2 is Missing));
case TypeCode.Object:
switch (t2)
{
case TypeCode.Empty:
case TypeCode.DBNull:
return(v1 is Missing);
case TypeCode.Char:
case TypeCode.SByte:
case TypeCode.Byte:
case TypeCode.Int16:
case TypeCode.UInt16:
case TypeCode.Int32:
case TypeCode.UInt32:
case TypeCode.Int64:
case TypeCode.UInt64:
case TypeCode.Single:
case TypeCode.Double:
case TypeCode.Decimal:
case TypeCode.String:
IConvertible pvic1 = ic1;
Object pv1 = Convert.ToPrimitive(v1, PreferredType.Either, ref pvic1);
if (pvic1 != null && pv1 != v1)
{
return(Equality.JScriptEquals(pv1, v2, pvic1, ic2, pvic1.GetTypeCode(), t2, false));
}
else
{
return(false);
}
}
return(false);
case TypeCode.DBNull: return(t2 == TypeCode.DBNull || t2 == TypeCode.Empty || (t2 == TypeCode.Object && v2 is Missing));
case TypeCode.Boolean:
v1 = ic1.ToBoolean(null) ? 1 : 0;
ic1 = Convert.GetIConvertible(v1);
return(Equality.JScriptEquals(v1, v2, ic1, ic2, TypeCode.Int32, t2, false));
case TypeCode.Char:
case TypeCode.SByte:
case TypeCode.Byte:
case TypeCode.Int16:
case TypeCode.UInt16:
case TypeCode.Int32:
case TypeCode.UInt32:
case TypeCode.Int64:
case TypeCode.UInt64:
case TypeCode.Single:
case TypeCode.Double:
case TypeCode.Decimal:
if (t2 == TypeCode.Object)
{
IConvertible pvic2 = ic2;
Object pv2 = Convert.ToPrimitive(v2, PreferredType.Either, ref pvic2);
if (pvic2 != null && pv2 != v2)
{
return(Equality.JScriptEquals(v1, pv2, ic1, pvic2, t1, pvic2.GetTypeCode(), false));
}
else
{
return(false);
}
}
if (t2 == TypeCode.String)
{
if (v1 is Enum)
{
return(Convert.ToString(v1).Equals(ic2.ToString(null)));
}
v2 = Convert.ToNumber(v2, ic2);
ic2 = Convert.GetIConvertible(v2);
return(StrictEquality.JScriptStrictEquals(v1, v2, ic1, ic2, t1, TypeCode.Double, false));
}
return(false);
case TypeCode.DateTime:
if (t2 == TypeCode.Object)
{
IConvertible pvic2 = ic2;
Object pv2 = Convert.ToPrimitive(v2, PreferredType.Either, ref pvic2);
if (pv2 != null && pv2 != v2)
{
return(StrictEquality.JScriptStrictEquals(v1, pv2, ic1, pvic2, t1, pvic2.GetTypeCode(), false));
}
}
return(false);
case TypeCode.String:
switch (t2)
{
case TypeCode.Object: {
IConvertible pvic2 = ic2;
Object pv2 = Convert.ToPrimitive(v2, PreferredType.Either, ref pvic2);
if (pvic2 != null && pv2 != v2)
{
return(Equality.JScriptEquals(v1, pv2, ic1, pvic2, t1, pvic2.GetTypeCode(), false));
}
else
{
return(false);
}
}
case TypeCode.SByte:
case TypeCode.Byte:
case TypeCode.Int16:
case TypeCode.UInt16:
case TypeCode.Int32:
case TypeCode.UInt32:
case TypeCode.Int64:
case TypeCode.UInt64:
case TypeCode.Single:
case TypeCode.Double:
case TypeCode.Decimal:
if (v2 is Enum)
{
return(Convert.ToString(v2).Equals(ic1.ToString(null)));
}
v1 = Convert.ToNumber(v1, ic1);
ic1 = Convert.GetIConvertible(v1);
return(StrictEquality.JScriptStrictEquals(v1, v2, ic1, ic2, TypeCode.Double, t2, false));
}
return(false);
}
return(false);
}
public Object EvaluateUnary(Object v)
{
IConvertible ic = Convert.GetIConvertible(v);
switch (Convert.GetTypeCode(v, ic))
{
case TypeCode.Empty: return(this.EvaluateUnary(Double.NaN));
case TypeCode.DBNull: return(this.EvaluateUnary(0));
case TypeCode.Boolean: return(this.EvaluateUnary(ic.ToBoolean(null) ? 1 : 0));
case TypeCode.Char: return(this.EvaluateUnary((int)ic.ToChar(null)));
case TypeCode.SByte:
case TypeCode.Byte:
case TypeCode.Int16:
case TypeCode.UInt16:
case TypeCode.Int32:
int i = ic.ToInt32(null);
switch (this.operatorTok)
{
case JSToken.BitwiseNot:
return(~i);
case JSToken.LogicalNot:
return(i == 0);
case JSToken.Minus:
if (i == 0)
{
return(-(double)i);
}
if (i == Int32.MinValue)
{
return((ulong)-(double)i);
}
return(-i);
case JSToken.Plus:
return(i);
default:
throw new JScriptException(JSError.InternalError, this.context);
}
case TypeCode.UInt32:
uint ui = ic.ToUInt32(null);
switch (this.operatorTok)
{
case JSToken.BitwiseNot:
return(~ui);
case JSToken.LogicalNot:
return(ui == 0);
case JSToken.Minus:
if (ui != 0 && ui <= Int32.MaxValue)
{
return(-(int)ui);
}
else
{
return(-(double)ui);
}
case JSToken.Plus:
return(ui);
default:
throw new JScriptException(JSError.InternalError, this.context);
}
case TypeCode.Int64:
long l = ic.ToInt64(null);
switch (this.operatorTok)
{
case JSToken.BitwiseNot:
return(~l);
case JSToken.LogicalNot:
return(l == 0);
case JSToken.Minus:
if (l == 0 || l == Int64.MinValue)
{
return(-(double)l);
}
return(-l);
case JSToken.Plus:
return(l);
default:
throw new JScriptException(JSError.InternalError, this.context);
}
case TypeCode.UInt64:
ulong ul = ic.ToUInt64(null);
switch (this.operatorTok)
{
case JSToken.BitwiseNot:
return(~ul);
case JSToken.LogicalNot:
return(ul == 0);
case JSToken.Minus:
if (ul != 0 && ul <= Int64.MaxValue)
{
return(-(long)ul);
}
else
{
return(-(double)ul);
}
case JSToken.Plus:
return(ul);
default:
throw new JScriptException(JSError.InternalError, this.context);
}
case TypeCode.Single:
case TypeCode.Double:
double d = ic.ToDouble(null);
switch (this.operatorTok)
{
case JSToken.BitwiseNot:
return(~(int)Runtime.DoubleToInt64(d));
case JSToken.LogicalNot:
return(!Convert.ToBoolean(d));
case JSToken.Minus:
return(-d);
case JSToken.Plus:
return(d);
default:
throw new JScriptException(JSError.InternalError, this.context);
}
case TypeCode.String:
goto no_overload_case;
}
MethodInfo oper = this.GetOperator(v.GetType());
if (oper != null)
{
return(oper.Invoke(null, (BindingFlags)0, JSBinder.ob, new Object[] { v }, null));
}
no_overload_case:
switch (this.operatorTok)
{
case JSToken.BitwiseNot:
return(~Convert.ToInt32(v, ic));
case JSToken.LogicalNot:
return(!Convert.ToBoolean(v, ic));
case JSToken.Minus:
return(-Convert.ToNumber(v, ic));
case JSToken.Plus:
return(Convert.ToNumber(v, ic));
default:
throw new JScriptException(JSError.InternalError, this.context);
}
}
private Object EvaluateNumericBinary(Object v1, Object v2, JSToken operatorTok)
{
IConvertible ic1 = Convert.GetIConvertible(v1);
IConvertible ic2 = Convert.GetIConvertible(v2);
TypeCode t1 = Convert.GetTypeCode(v1, ic1);
TypeCode t2 = Convert.GetTypeCode(v2, ic2);
switch (t1)
{
case TypeCode.Empty:
return(Double.NaN);
case TypeCode.DBNull:
return(this.EvaluateNumericBinary(0, v2, operatorTok));
case TypeCode.Char: {
Object result;
int val = ic1.ToInt32(null);
switch (t2)
{
case TypeCode.Empty:
return(Double.NaN);
case TypeCode.DBNull:
return(NumericBinary.DoOp(val, 0, operatorTok));
case TypeCode.Boolean:
case TypeCode.Char:
case TypeCode.SByte:
case TypeCode.Byte:
case TypeCode.Int16:
case TypeCode.UInt16:
case TypeCode.Int32:
result = NumericBinary.DoOp(val, ic2.ToInt32(null), operatorTok);
break;
case TypeCode.UInt32:
case TypeCode.Int64:
result = NumericBinary.DoOp((long)val, ic2.ToInt64(null), operatorTok);
break;
case TypeCode.UInt64:
result = NumericBinary.DoOp((double)val, ic2.ToDouble(null), operatorTok);
break;
case TypeCode.Single:
case TypeCode.Double:
result = NumericBinary.DoOp((double)ic1.ToInt32(null), ic2.ToDouble(null), operatorTok);
break;
case TypeCode.String:
result = NumericBinary.DoOp(val, Convert.ToNumber(v2, ic2), operatorTok);
break;
case TypeCode.Object:
case TypeCode.Decimal:
case TypeCode.DateTime:
default:
result = null;
break;
}
if (this.operatorTok == JSToken.Minus && result != null && t2 != TypeCode.Char)
{
return(Convert.Coerce2(result, TypeCode.Char, false));
}
else if (result != null)
{
return(result);
}
break;
}
case TypeCode.Boolean:
case TypeCode.SByte:
case TypeCode.Byte:
case TypeCode.Int16:
case TypeCode.UInt16:
case TypeCode.Int32:
{ int val = ic1.ToInt32(null);
switch (t2)
{
case TypeCode.Empty:
return(Double.NaN);
case TypeCode.DBNull:
return(NumericBinary.DoOp(val, 0, operatorTok));
case TypeCode.Boolean:
case TypeCode.Char:
case TypeCode.SByte:
case TypeCode.Byte:
case TypeCode.Int16:
case TypeCode.UInt16:
case TypeCode.Int32:
return(NumericBinary.DoOp(val, ic2.ToInt32(null), operatorTok));
case TypeCode.UInt32:
case TypeCode.Int64:
return(NumericBinary.DoOp((long)val, ic2.ToInt64(null), operatorTok));
case TypeCode.UInt64:
if (val >= 0)
{
return(NumericBinary.DoOp((ulong)val, ic2.ToUInt64(null), operatorTok));
}
else
{
return(NumericBinary.DoOp((double)val, ic2.ToDouble(null), operatorTok));
}
case TypeCode.Single:
case TypeCode.Double:
return(NumericBinary.DoOp((double)val, ic2.ToDouble(null), operatorTok));
case TypeCode.Object:
case TypeCode.Decimal:
case TypeCode.DateTime:
case TypeCode.String:
break;
}
break; }
case TypeCode.UInt32:
{ uint val = ic1.ToUInt32(null);
switch (t2)
{
case TypeCode.Empty:
return(Double.NaN);
case TypeCode.DBNull:
return(NumericBinary.DoOp(val, 0, operatorTok));
case TypeCode.SByte:
case TypeCode.Byte:
case TypeCode.Int16:
case TypeCode.Int32:
int val2 = ic2.ToInt32(null);
if (val2 >= 0)
{
return(NumericBinary.DoOp(val, (uint)val2, operatorTok));
}
else
{
return(NumericBinary.DoOp((long)val, (long)val2, operatorTok));
}
case TypeCode.Int64:
return(NumericBinary.DoOp((long)val, ic2.ToInt64(null), operatorTok));
case TypeCode.Boolean:
case TypeCode.Char:
case TypeCode.UInt16:
case TypeCode.UInt32:
return(NumericBinary.DoOp(val, ic2.ToUInt32(null), operatorTok));
case TypeCode.UInt64:
return(NumericBinary.DoOp((ulong)val, ic2.ToUInt64(null), operatorTok));
case TypeCode.Single:
case TypeCode.Double:
return(NumericBinary.DoOp((double)val, ic2.ToDouble(null), operatorTok));
case TypeCode.Object:
case TypeCode.Decimal:
case TypeCode.DateTime:
case TypeCode.String:
break;
}
break; }
case TypeCode.Int64:
{ long val = ic1.ToInt64(null);
switch (t2)
{
case TypeCode.Empty:
return(Double.NaN);
case TypeCode.DBNull:
return(NumericBinary.DoOp(val, 0, operatorTok));
case TypeCode.Boolean:
case TypeCode.Char:
case TypeCode.SByte:
case TypeCode.Byte:
case TypeCode.Int16:
case TypeCode.UInt16:
case TypeCode.Int32:
case TypeCode.UInt32:
case TypeCode.Int64:
return(NumericBinary.DoOp(val, ic2.ToInt64(null), operatorTok));
case TypeCode.UInt64:
if (val >= 0)
{
return(NumericBinary.DoOp((ulong)val, ic2.ToUInt64(null), operatorTok));
}
else
{
return(NumericBinary.DoOp((double)val, ic2.ToDouble(null), operatorTok));
}
case TypeCode.Single:
case TypeCode.Double:
return(NumericBinary.DoOp((double)val, ic2.ToDouble(null), operatorTok));
case TypeCode.Object:
case TypeCode.Decimal:
case TypeCode.DateTime:
case TypeCode.String:
break;
}
break; }
case TypeCode.UInt64:
{ ulong val = ic1.ToUInt64(null);
switch (t2)
{
case TypeCode.Empty:
return(Double.NaN);
case TypeCode.DBNull:
return(NumericBinary.DoOp(val, 0, operatorTok));
case TypeCode.SByte:
case TypeCode.Byte:
case TypeCode.Int16:
case TypeCode.Int32:
case TypeCode.Int64:
long val2 = ic2.ToInt64(null);
if (val2 >= 0)
{
return(NumericBinary.DoOp(val, (ulong)val2, operatorTok));
}
else
{
return(NumericBinary.DoOp((double)val, (double)val2, operatorTok));
}
case TypeCode.Boolean:
case TypeCode.Char:
case TypeCode.UInt16:
case TypeCode.UInt32:
case TypeCode.UInt64:
return(NumericBinary.DoOp(val, ic2.ToUInt64(null), operatorTok));
case TypeCode.Single:
case TypeCode.Double:
return(NumericBinary.DoOp((double)val, ic2.ToDouble(null), operatorTok));
case TypeCode.Object:
case TypeCode.Decimal:
case TypeCode.DateTime:
case TypeCode.String:
break;
}
break; }
case TypeCode.Single:
case TypeCode.Double:
{ double d = ic1.ToDouble(null);
switch (t2)
{
case TypeCode.Empty:
return(Double.NaN);
case TypeCode.DBNull:
return(NumericBinary.DoOp(d, 0, operatorTok));
case TypeCode.Boolean:
case TypeCode.Char:
case TypeCode.SByte:
case TypeCode.Byte:
case TypeCode.Int16:
case TypeCode.UInt16:
case TypeCode.Int32:
return(NumericBinary.DoOp(d, (double)ic2.ToInt32(null), operatorTok));
case TypeCode.UInt32:
case TypeCode.Int64:
case TypeCode.UInt64:
case TypeCode.Single:
case TypeCode.Double:
return(NumericBinary.DoOp(d, ic2.ToDouble(null), operatorTok));
case TypeCode.Object:
case TypeCode.Decimal:
case TypeCode.DateTime:
case TypeCode.String:
break;
}
break; }
case TypeCode.Object:
case TypeCode.Decimal:
case TypeCode.DateTime:
case TypeCode.String:
break;
}
if (v2 == null)
{
return(Double.NaN);
}
MethodInfo oper = this.GetOperator(v1.GetType(), v2.GetType());
if (oper != null)
{
return(oper.Invoke(null, (BindingFlags)0, JSBinder.ob, new Object[] { v1, v2 }, null));
}
else
{
return(NumericBinary.DoOp(v1, v2, ic1, ic2, operatorTok));
}
}
public static Object DoOp(Object v1, Object v2, JSToken operatorTok)
{
return(DoOp(v1, v2, Convert.GetIConvertible(v1), Convert.GetIConvertible(v2), operatorTok));
}
private Object EvaluatePlus2(Object v1, Object v2)
{
IConvertible ic1 = Convert.GetIConvertible(v1);
IConvertible ic2 = Convert.GetIConvertible(v2);
TypeCode t1 = Convert.GetTypeCode(v1, ic1);
TypeCode t2 = Convert.GetTypeCode(v2, ic2);
switch (t1)
{
case TypeCode.Empty:
return(Plus.DoOp(v1, v2));
case TypeCode.DBNull:
switch (t2)
{
case TypeCode.Empty:
return(Double.NaN);
case TypeCode.DBNull:
return(0);
case TypeCode.Boolean:
case TypeCode.Char:
case TypeCode.SByte:
case TypeCode.Byte:
case TypeCode.Int16:
case TypeCode.UInt16:
case TypeCode.Int32:
return(ic2.ToInt32(null));
case TypeCode.UInt32:
return(ic2.ToUInt32(null));
case TypeCode.Int64:
return(ic2.ToInt64(null));
case TypeCode.UInt64:
return(ic2.ToUInt64(null));
case TypeCode.Single:
case TypeCode.Double:
return(ic2.ToDouble(null));
case TypeCode.Object:
case TypeCode.Decimal:
case TypeCode.DateTime:
break;
case TypeCode.String:
return("null" + ic2.ToString(null));
}
break;
case TypeCode.Char:
{ int val = ic1.ToInt32(null);
switch (t2)
{
case TypeCode.Empty:
return(Double.NaN);
case TypeCode.DBNull:
return(val);
case TypeCode.Boolean:
case TypeCode.SByte:
case TypeCode.Byte:
case TypeCode.Int16:
case TypeCode.UInt16:
case TypeCode.Int32:
return(((IConvertible)Plus.DoOp(val, ic2.ToInt32(null))).ToChar(null));
case TypeCode.UInt32:
case TypeCode.Int64:
return(((IConvertible)Plus.DoOp((long)val, ic2.ToInt64(null))).ToChar(null));
case TypeCode.UInt64:
return(((IConvertible)Plus.DoOp((ulong)val, ic2.ToUInt64(null))).ToChar(null));
case TypeCode.Single:
case TypeCode.Double:
checked { return((char)(int)(Convert.CheckIfDoubleIsInteger((double)Plus.DoOp((double)val, ic2.ToDouble(null))))); }
case TypeCode.Object:
case TypeCode.Decimal:
case TypeCode.DateTime:
return(Plus.DoOp(v1, v2));
case TypeCode.Char:
case TypeCode.String:
return(ic1.ToString(null) + ic2.ToString(null));
}
break; }
case TypeCode.Boolean:
case TypeCode.SByte:
case TypeCode.Byte:
case TypeCode.Int16:
case TypeCode.UInt16:
case TypeCode.Int32:
{ int val = ic1.ToInt32(null);
switch (t2)
{
case TypeCode.Empty:
return(Double.NaN);
case TypeCode.DBNull:
return(val);
case TypeCode.Char:
return(((IConvertible)Plus.DoOp(val, ic2.ToInt32(null))).ToChar(null));
case TypeCode.Boolean:
case TypeCode.SByte:
case TypeCode.Byte:
case TypeCode.Int16:
case TypeCode.UInt16:
case TypeCode.Int32:
return(Plus.DoOp(val, ic2.ToInt32(null)));
case TypeCode.UInt32:
case TypeCode.Int64:
return(Plus.DoOp((long)val, ic2.ToInt64(null)));
case TypeCode.UInt64:
if (val >= 0)
{
return(Plus.DoOp((ulong)val, ic2.ToUInt64(null)));
}
else
{
return(Plus.DoOp((double)val, ic2.ToDouble(null)));
}
case TypeCode.Single:
case TypeCode.Double:
return(Plus.DoOp((double)val, ic2.ToDouble(null)));
case TypeCode.Object:
case TypeCode.Decimal:
case TypeCode.DateTime:
break;
case TypeCode.String:
return(Convert.ToString(v1) + ic2.ToString(null));
}
break; }
case TypeCode.UInt32:
{ uint val = ic1.ToUInt32(null);
switch (t2)
{
case TypeCode.Empty:
return(Double.NaN);
case TypeCode.DBNull:
return(val);
case TypeCode.SByte:
case TypeCode.Byte:
case TypeCode.Int16:
case TypeCode.Int32:
int val2 = ic2.ToInt32(null);
if (val2 >= 0)
{
return(Plus.DoOp(val, (uint)val2));
}
else
{
return(Plus.DoOp((long)val, (long)val2));
}
case TypeCode.Int64:
return(Plus.DoOp((long)val, ic2.ToInt64(null)));
case TypeCode.Char:
return(((IConvertible)Plus.DoOp(val, ic2.ToUInt32(null))).ToChar(null));
case TypeCode.Boolean:
case TypeCode.UInt16:
case TypeCode.UInt32:
return(Plus.DoOp(val, ic2.ToUInt32(null)));
case TypeCode.UInt64:
return(Plus.DoOp((ulong)val, ic2.ToUInt64(null)));
case TypeCode.Single:
case TypeCode.Double:
return(Plus.DoOp((double)val, ic2.ToDouble(null)));
case TypeCode.Object:
case TypeCode.Decimal:
case TypeCode.DateTime:
break;
case TypeCode.String:
return(Convert.ToString(v1) + ic2.ToString(null));
}
break; }
case TypeCode.Int64:
{ long val = ic1.ToInt64(null);
switch (t2)
{
case TypeCode.Empty:
return(Double.NaN);
case TypeCode.DBNull:
return(val);
case TypeCode.Char:
return(((IConvertible)Plus.DoOp(val, ic2.ToInt64(null))).ToChar(null));
case TypeCode.Boolean:
case TypeCode.SByte:
case TypeCode.Byte:
case TypeCode.Int16:
case TypeCode.UInt16:
case TypeCode.Int32:
case TypeCode.UInt32:
case TypeCode.Int64:
return(Plus.DoOp(val, ic2.ToInt64(null)));
case TypeCode.UInt64:
if (val >= 0)
{
return(Plus.DoOp((ulong)val, ic2.ToUInt64(null)));
}
else
{
return(Plus.DoOp((double)val, ic2.ToDouble(null)));
}
case TypeCode.Single:
case TypeCode.Double:
return(Plus.DoOp((double)val, ic2.ToDouble(null)));
case TypeCode.Object:
case TypeCode.Decimal:
case TypeCode.DateTime:
break;
case TypeCode.String:
return(Convert.ToString(v1) + ic2.ToString(null));
}
break; }
case TypeCode.UInt64:
{ ulong val = ic1.ToUInt64(null);
switch (t2)
{
case TypeCode.Empty:
return(Double.NaN);
case TypeCode.DBNull:
return(val);
case TypeCode.SByte:
case TypeCode.Byte:
case TypeCode.Int16:
case TypeCode.Int32:
case TypeCode.Int64:
long val2 = ic2.ToInt64(null);
if (val2 >= 0)
{
return(Plus.DoOp(val, (ulong)val2));
}
else
{
return(Plus.DoOp((double)val, (double)val2));
}
case TypeCode.Char:
return(((IConvertible)Plus.DoOp(val, ic2.ToUInt64(null))).ToChar(null));
case TypeCode.UInt16:
case TypeCode.Boolean:
case TypeCode.UInt32:
case TypeCode.UInt64:
return(Plus.DoOp(val, ic2.ToUInt64(null)));
case TypeCode.Single:
case TypeCode.Double:
return(Plus.DoOp((double)val, ic2.ToDouble(null)));
case TypeCode.Object:
case TypeCode.Decimal:
case TypeCode.DateTime:
break;
case TypeCode.String:
return(Convert.ToString(v1) + ic2.ToString(null));
}
break; }
case TypeCode.Single:
case TypeCode.Double: {
double d = ic1.ToDouble(null);
switch (t2)
{
case TypeCode.Empty:
return(Double.NaN);
case TypeCode.DBNull:
return(ic1.ToDouble(null));
case TypeCode.Char:
return(System.Convert.ToChar(System.Convert.ToInt32((d + (double)ic2.ToInt32(null)))));
case TypeCode.Boolean:
case TypeCode.SByte:
case TypeCode.Byte:
case TypeCode.Int16:
case TypeCode.UInt16:
case TypeCode.Int32:
return(d + (double)ic2.ToInt32(null));
case TypeCode.UInt32:
case TypeCode.Int64:
case TypeCode.UInt64:
case TypeCode.Single:
case TypeCode.Double:
return(d + ic2.ToDouble(null));
case TypeCode.Object:
case TypeCode.Decimal:
case TypeCode.DateTime:
break;
case TypeCode.String:
return(new ConcatString(Convert.ToString(d), ic2.ToString(null)));
}
break;
}
case TypeCode.Object:
case TypeCode.Decimal:
case TypeCode.DateTime:
break;
case TypeCode.String:
switch (t2)
{
case TypeCode.Object:
break;
case TypeCode.String:
if (v1 is ConcatString)
{
return(new ConcatString((ConcatString)v1, ic2.ToString(null)));
}
else
{
return(new ConcatString(ic1.ToString(null), ic2.ToString(null)));
}
default:
if (v1 is ConcatString)
{
return(new ConcatString((ConcatString)v1, Convert.ToString(v2)));
}
else
{
return(new ConcatString(ic1.ToString(null), Convert.ToString(v2)));
}
}
break;
}
MethodInfo oper = this.GetOperator(v1 == null ? Typeob.Empty : v1.GetType(), v2 == null ? Typeob.Empty : v2.GetType());
if (oper != null)
{
return(oper.Invoke(null, (BindingFlags)0, JSBinder.ob, new Object[] { v1, v2 }, null));
}
else
{
return(Plus.DoOp(v1, v2));
}
}
public Object this[params Object[] pars] {
get{
int n = pars.Length;
if (n == 0)
{
if (this is ScriptFunction || this == null)
{
throw new JScriptException(JSError.FunctionExpected);
}
else
{
throw new JScriptException(JSError.TooFewParameters);
}
}
if (this == null)
{
throw new JScriptException(JSError.ObjectExpected);
}
Object val = pars[n - 1];
if (val is Int32)
{
return(this[(int)val]);
}
IConvertible ic = Convert.GetIConvertible(val);
if (ic != null && Convert.IsPrimitiveNumericTypeCode(ic.GetTypeCode()))
{
double d = ic.ToDouble(null);
if (d >= 0 && d <= Int32.MaxValue && d == System.Math.Round(d))
{
return(this[(int)d]);
}
}
return(this[Convert.ToString(val)]);
}
set{
int n = pars.Length;
if (n == 0)
{
if (this == null)
{
throw new JScriptException(JSError.FunctionExpected);
}
else if (this is ScriptFunction)
{
throw new JScriptException(JSError.CannotAssignToFunctionResult);
}
else
{
throw new JScriptException(JSError.TooFewParameters);
}
}
if (this == null)
{
throw new JScriptException(JSError.ObjectExpected);
}
Object val = pars[n - 1];
if (val is Int32)
{
this[(int)val] = value;
return;
}
IConvertible ic = Convert.GetIConvertible(val);
if (ic != null && Convert.IsPrimitiveNumericTypeCode(ic.GetTypeCode()))
{
double d = ic.ToDouble(null);
if (d >= 0 && d <= Int32.MaxValue && d == System.Math.Round(d))
{
this[(int)d] = value;
return;
}
}
this[Convert.ToString(val)] = value;
}
}