| public static JScriptStrictEquals ( Object v1, Object v2 ) : bool | ||
| v1 | Object | |
| v2 | Object | |
| Результат | bool | |
internal Completion Evaluate(object expression)
{
if (StrictEquality.JScriptStrictEquals(this.case_value.Evaluate(), expression))
{
return((Completion)this.statements.Evaluate());
}
return(null);
}
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));
}
internal Completion Evaluate(Object expression)
{
Debug.PreCondition(this.case_value != null);
if (StrictEquality.JScriptStrictEquals(this.case_value.Evaluate(), expression))
{
return((Completion)this.statements.Evaluate());
}
else
{
return(null);
}
}
public override string ToString()
{
if (this.name != null)
{
return(this.name);
}
foreach (FieldInfo info in this.type.GetFields(BindingFlags.Public | BindingFlags.Static))
{
if (StrictEquality.JScriptStrictEquals(this.value, info.GetValue(null)))
{
return(info.Name);
}
}
return(Microsoft.JScript.Convert.ToString(this.value));
}
public override String ToString()
{
if (this.name != null)
{
return(this.name);
}
FieldInfo[] fields = this.type.GetFields(BindingFlags.Static | BindingFlags.Public);
foreach (FieldInfo field in fields)
{
if (StrictEquality.JScriptStrictEquals(this.value, field.GetValue(null)))
{
return(field.Name);
}
}
return(Convert.ToString(this.value));
}
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 = Microsoft.JScript.Convert.GetIConvertible(v2);
return(JScriptEquals(v1, v2, ic1, ic2, t1, TypeCode.Int32, false));
}
switch (t1)
{
case TypeCode.Empty:
if ((t2 == TypeCode.Empty) || (t2 == TypeCode.DBNull))
{
return(true);
}
if (t2 != TypeCode.Object)
{
return(false);
}
return(v2 is Microsoft.JScript.Missing);
case TypeCode.Object:
switch (t2)
{
case TypeCode.Empty:
case TypeCode.DBNull:
return(v1 is Microsoft.JScript.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 ic = ic1;
object obj2 = Microsoft.JScript.Convert.ToPrimitive(v1, PreferredType.Either, ref ic);
return(((ic != null) && (obj2 != v1)) && JScriptEquals(obj2, v2, ic, ic2, ic.GetTypeCode(), t2, false));
}
}
break;
case TypeCode.DBNull:
if ((t2 == TypeCode.DBNull) || (t2 == TypeCode.Empty))
{
return(true);
}
if (t2 != TypeCode.Object)
{
return(false);
}
return(v2 is Microsoft.JScript.Missing);
case TypeCode.Boolean:
v1 = ic1.ToBoolean(null) ? 1 : 0;
ic1 = Microsoft.JScript.Convert.GetIConvertible(v1);
return(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)
{
if (t2 != TypeCode.String)
{
return(false);
}
if (v1 is Enum)
{
return(Microsoft.JScript.Convert.ToString(v1).Equals(ic2.ToString(null)));
}
v2 = Microsoft.JScript.Convert.ToNumber(v2, ic2);
ic2 = Microsoft.JScript.Convert.GetIConvertible(v2);
return(StrictEquality.JScriptStrictEquals(v1, v2, ic1, ic2, t1, TypeCode.Double, false));
}
IConvertible convertible2 = ic2;
object obj3 = Microsoft.JScript.Convert.ToPrimitive(v2, PreferredType.Either, ref convertible2);
if ((convertible2 == null) || (obj3 == v2))
{
return(false);
}
return(JScriptEquals(v1, obj3, ic1, convertible2, t1, convertible2.GetTypeCode(), false));
}
case TypeCode.DateTime:
{
if (t2 != TypeCode.Object)
{
goto Label_0236;
}
IConvertible convertible3 = ic2;
object obj4 = Microsoft.JScript.Convert.ToPrimitive(v2, PreferredType.Either, ref convertible3);
if ((obj4 == null) || (obj4 == v2))
{
goto Label_0236;
}
return(StrictEquality.JScriptStrictEquals(v1, obj4, ic1, convertible3, t1, convertible3.GetTypeCode(), false));
}
case TypeCode.String:
switch (t2)
{
case TypeCode.Object:
{
IConvertible convertible4 = ic2;
object obj5 = Microsoft.JScript.Convert.ToPrimitive(v2, PreferredType.Either, ref convertible4);
return(((convertible4 != null) && (obj5 != v2)) && JScriptEquals(v1, obj5, ic1, convertible4, t1, convertible4.GetTypeCode(), 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(Microsoft.JScript.Convert.ToString(v2).Equals(ic1.ToString(null)));
}
v1 = Microsoft.JScript.Convert.ToNumber(v1, ic1);
ic1 = Microsoft.JScript.Convert.GetIConvertible(v1);
return(StrictEquality.JScriptStrictEquals(v1, v2, ic1, ic2, TypeCode.Double, t2, false));
}
return(false);
default:
return(false);
}
return(false);
Label_0236:
return(false);
}
public static bool JScriptStrictEquals(Object v1, Object v2)
{
return(StrictEquality.JScriptStrictEquals(v1, v2, false));
}
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);
}