protected MethodInfo GetOperator(IReflect ir1, IReflect ir2)
{
if (ir1 is ClassScope)
{
ir1 = ((ClassScope)ir1).GetUnderlyingTypeIfEnum();
}
if (ir2 is ClassScope)
{
ir2 = ((ClassScope)ir2).GetUnderlyingTypeIfEnum();
}
Type t1 = ir1 is Type ? (Type)ir1 : Typeob.Object;
Type t2 = ir2 is Type ? (Type)ir2 : Typeob.Object;
if (this.type1 == t1 && this.type2 == t2)
{
return(this.operatorMeth);
}
this.type1 = t1;
this.type2 = t2;
this.operatorMeth = null;
if (t1 == Typeob.String || Convert.IsPrimitiveNumericType(ir1) || Typeob.JSObject.IsAssignableFrom(t1))
{
t1 = null;
}
if (t2 == Typeob.String || Convert.IsPrimitiveNumericType(ir2) || Typeob.JSObject.IsAssignableFrom(t2))
{
t2 = null;
}
if (t1 == null && t2 == null)
{
return(null);
}
//One of the operands is an object of a type that might have a user defined operator.
String name = "op_NoSuchOp";
switch (this.operatorTok)
{
case JSToken.BitwiseAnd: name = "op_BitwiseAnd"; break;
case JSToken.BitwiseOr: name = "op_BitwiseOr"; break;
case JSToken.BitwiseXor: name = "op_ExclusiveOr"; break;
case JSToken.Divide: name = "op_Division"; break;
case JSToken.Equal: name = "op_Equality"; break;
case JSToken.GreaterThan: name = "op_GreaterThan"; break;
case JSToken.GreaterThanEqual: name = "op_GreaterThanOrEqual"; break;
case JSToken.LeftShift: name = "op_LeftShift"; break;
case JSToken.LessThan: name = "op_LessThan"; break;
case JSToken.LessThanEqual: name = "op_LessThanOrEqual"; break;
case JSToken.Minus: name = "op_Subtraction"; break;
case JSToken.Modulo: name = "op_Modulus"; break;
case JSToken.Multiply: name = "op_Multiply"; break;
case JSToken.NotEqual: name = "op_Inequality"; break;
case JSToken.Plus: name = "op_Addition"; break;
case JSToken.RightShift: name = "op_RightShift"; break;
}
Type[] types = new Type[] { this.type1, this.type2 };
if (t1 == t2)
{
MethodInfo op = t1.GetMethod(name, BindingFlags.Public | BindingFlags.Static, JSBinder.ob, types, null);
if (op != null && (op.Attributes & MethodAttributes.SpecialName) != 0 && op.GetParameters().Length == 2)
{
this.operatorMeth = op;
}
}
else
{
//Search both operand types, but only if there is a possibility that they might have operators defined on them
MethodInfo op1 = t1 == null ? null : t1.GetMethod(name, BindingFlags.Public | BindingFlags.Static, JSBinder.ob, types, null);
MethodInfo op2 = t2 == null ? null : t2.GetMethod(name, BindingFlags.Public | BindingFlags.Static, JSBinder.ob, types, null);
this.operatorMeth = JSBinder.SelectOperator(op1, op2, this.type1, this.type2); //Choose the better of the two
}
if (this.operatorMeth != null)
{
this.operatorMeth = new JSMethodInfo(this.operatorMeth);
}
return(this.operatorMeth);
}
protected MethodInfo GetOperator(IReflect ir1, IReflect ir2)
{
if (ir1 is ClassScope)
{
ir1 = ((ClassScope)ir1).GetUnderlyingTypeIfEnum();
}
if (ir2 is ClassScope)
{
ir2 = ((ClassScope)ir2).GetUnderlyingTypeIfEnum();
}
Type c = (ir1 is Type) ? ((Type)ir1) : Typeob.Object;
Type type2 = (ir2 is Type) ? ((Type)ir2) : Typeob.Object;
if ((this.type1 != c) || (this.type2 != type2))
{
this.type1 = c;
this.type2 = type2;
this.operatorMeth = null;
if (((c == Typeob.String) || Microsoft.JScript.Convert.IsPrimitiveNumericType(ir1)) || Typeob.JSObject.IsAssignableFrom(c))
{
c = null;
}
if (((type2 == Typeob.String) || Microsoft.JScript.Convert.IsPrimitiveNumericType(ir2)) || Typeob.JSObject.IsAssignableFrom(type2))
{
type2 = null;
}
if ((c == null) && (type2 == null))
{
return(null);
}
string name = "op_NoSuchOp";
switch (this.operatorTok)
{
case JSToken.FirstBinaryOp:
name = "op_Addition";
break;
case JSToken.Minus:
name = "op_Subtraction";
break;
case JSToken.BitwiseOr:
name = "op_BitwiseOr";
break;
case JSToken.BitwiseXor:
name = "op_ExclusiveOr";
break;
case JSToken.BitwiseAnd:
name = "op_BitwiseAnd";
break;
case JSToken.Equal:
name = "op_Equality";
break;
case JSToken.NotEqual:
name = "op_Inequality";
break;
case JSToken.GreaterThan:
name = "op_GreaterThan";
break;
case JSToken.LessThan:
name = "op_LessThan";
break;
case JSToken.LessThanEqual:
name = "op_LessThanOrEqual";
break;
case JSToken.GreaterThanEqual:
name = "op_GreaterThanOrEqual";
break;
case JSToken.LeftShift:
name = "op_LeftShift";
break;
case JSToken.RightShift:
name = "op_RightShift";
break;
case JSToken.Multiply:
name = "op_Multiply";
break;
case JSToken.Divide:
name = "op_Division";
break;
case JSToken.Modulo:
name = "op_Modulus";
break;
}
Type[] types = new Type[] { this.type1, this.type2 };
if (c == type2)
{
MethodInfo info = c.GetMethod(name, BindingFlags.Public | BindingFlags.Static, JSBinder.ob, types, null);
if (((info != null) && ((info.Attributes & MethodAttributes.SpecialName) != MethodAttributes.PrivateScope)) && (info.GetParameters().Length == 2))
{
this.operatorMeth = info;
}
}
else
{
MethodInfo info2 = (c == null) ? null : c.GetMethod(name, BindingFlags.Public | BindingFlags.Static, JSBinder.ob, types, null);
MethodInfo info3 = (type2 == null) ? null : type2.GetMethod(name, BindingFlags.Public | BindingFlags.Static, JSBinder.ob, types, null);
this.operatorMeth = JSBinder.SelectOperator(info2, info3, this.type1, this.type2);
}
if (this.operatorMeth != null)
{
this.operatorMeth = new JSMethodInfo(this.operatorMeth);
}
}
return(this.operatorMeth);
}