| static private IsPrimitiveNumericTypeCode ( TypeCode tc ) : bool | ||
| tc | TypeCode | |
| return | bool | |
internal override IReflect InferType(JSField inference_target)
{
Debug.Assert(Globals.TypeRefs.InReferenceContext(this.type1));
Debug.Assert(Globals.TypeRefs.InReferenceContext(this.type2));
MethodInfo oper;
if (this.type1 == null || inference_target != null)
{
oper = this.GetOperator(this.operand1.InferType(inference_target), this.operand2.InferType(inference_target));
}
else
{
oper = this.GetOperator(this.type1, this.type2);
}
if (oper != null)
{
this.metaData = oper;
return(oper.ReturnType);
}
if (this.type1 == Typeob.Char && this.operatorTok == JSToken.Minus)
{
TypeCode t2 = Type.GetTypeCode(this.type2);
if (Convert.IsPrimitiveNumericTypeCode(t2) || t2 == TypeCode.Boolean)
{
return(Typeob.Char);
}
else if (t2 == TypeCode.Char)
{
return(Typeob.Int32);
}
}
if (Convert.IsPrimitiveNumericType(this.type1))
{
if (Convert.IsPromotableTo(this.type2, this.type1) || ((this.operand2 is ConstantWrapper) && ((ConstantWrapper)this.operand2).IsAssignableTo(this.type1)))
{
return(this.type1);
}
else if (Convert.IsPrimitiveNumericType(this.type1) && Convert.IsPrimitiveNumericTypeFitForDouble(this.type2))
{
return(Typeob.Double);
}
}
return(Typeob.Object);
}
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));
}
}
internal override IReflect InferType(JSField inference_target)
{
MethodInfo oper;
if (this.type1 == null || inference_target != null)
{
oper = this.GetOperator(this.operand1.InferType(inference_target), this.operand2.InferType(inference_target));
}
else
{
oper = this.GetOperator(this.type1, this.type2);
}
if (oper != null)
{
this.metaData = oper;
return(oper.ReturnType);
}
if (this.type1 == Typeob.Char && this.operatorTok == JSToken.Minus)
{
TypeCode t2 = Type.GetTypeCode(this.type2);
if (Convert.IsPrimitiveNumericTypeCode(t2) || t2 == TypeCode.Boolean)
{
return(Typeob.Char);
}
else if (t2 == TypeCode.Char)
{
return(Typeob.Int32);
}
}
if ((Convert.IsPrimitiveNumericTypeFitForDouble(this.type1) || Typeob.JSObject.IsAssignableFrom(this.type1)) &&
(Convert.IsPrimitiveNumericTypeFitForDouble(this.type2) || Typeob.JSObject.IsAssignableFrom(this.type2)))
{
return(Typeob.Double);
}
else
{
return(Typeob.Object);
}
}
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;
}
}
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();
}
