public override ITypedValue GetValueInternal(ExpressionState state)
{
if (_name.Equals(_THIS))
{
return(state.GetActiveContextObject());
}
if (_name.Equals(_ROOT))
{
var obj = state.RootContextObject;
_exitTypeDescriptor = CodeFlow.ToDescriptorFromObject(obj.Value);
return(obj);
}
var result = state.LookupVariable(_name);
var value = result.Value;
if (value == null || !value.GetType().IsPublic)
{
// If the type is not public then when generateCode produces a checkcast to it
// then an IllegalAccessError will occur.
// If resorting to Object isn't sufficient, the hierarchy could be traversed for
// the first public type.
_exitTypeDescriptor = "Ljava/lang/Object";
}
else
{
_exitTypeDescriptor = CodeFlow.ToDescriptorFromObject(value);
}
// a null value will mean either the value was null or the variable was not found
return(result);
}
public override ITypedValue GetValueInternal(ExpressionState state)
{
var leftValue = LeftOperand.GetValueInternal(state).Value;
var rightValue = RightOperand.GetValueInternal(state).Value;
_leftActualDescriptor = CodeFlow.ToDescriptorFromObject(leftValue);
_rightActualDescriptor = CodeFlow.ToDescriptorFromObject(rightValue);
return(BooleanTypedValue.ForValue(!EqualityCheck(state.EvaluationContext, leftValue, rightValue)));
}
protected internal TypeDescriptor ComputeExitDescriptor(object result, Type propertyReturnType)
{
if (propertyReturnType.IsValueType)
{
return(CodeFlow.ToDescriptor(propertyReturnType));
}
return(CodeFlow.ToDescriptorFromObject(result));
}
public override ITypedValue GetValueInternal(ExpressionState state)
{
var left = LeftOperand.GetValueInternal(state).Value;
var right = RightOperand.GetValueInternal(state).Value;
_leftActualDescriptor = CodeFlow.ToDescriptorFromObject(left);
_rightActualDescriptor = CodeFlow.ToDescriptorFromObject(right);
if (IsNumber(left) && IsNumber(right))
{
var leftConv = (IConvertible)left;
var rightConv = (IConvertible)right;
if (left is decimal || right is decimal)
{
var leftVal = leftConv.ToDecimal(CultureInfo.InvariantCulture);
var rightVal = rightConv.ToDecimal(CultureInfo.InvariantCulture);
return(BooleanTypedValue.ForValue(leftVal.CompareTo(rightVal) <= 0));
}
else if (left is double || right is double)
{
var leftVal = leftConv.ToDouble(CultureInfo.InvariantCulture);
var rightVal = rightConv.ToDouble(CultureInfo.InvariantCulture);
return(BooleanTypedValue.ForValue(leftVal <= rightVal));
}
else if (left is float || right is float)
{
var leftVal = leftConv.ToSingle(CultureInfo.InvariantCulture);
var rightVal = rightConv.ToSingle(CultureInfo.InvariantCulture);
return(BooleanTypedValue.ForValue(leftVal <= rightVal));
}
else if (left is long || right is long)
{
var leftVal = leftConv.ToInt64(CultureInfo.InvariantCulture);
var rightVal = rightConv.ToInt64(CultureInfo.InvariantCulture);
return(BooleanTypedValue.ForValue(leftVal <= rightVal));
}
else if (left is int || right is int)
{
var leftVal = leftConv.ToInt32(CultureInfo.InvariantCulture);
var rightVal = rightConv.ToInt32(CultureInfo.InvariantCulture);
return(BooleanTypedValue.ForValue(leftVal <= rightVal));
}
else if (left is short || right is short)
{
var leftVal = leftConv.ToInt16(CultureInfo.InvariantCulture);
var rightVal = rightConv.ToInt16(CultureInfo.InvariantCulture);
return(BooleanTypedValue.ForValue(leftVal <= rightVal));
}
else if (left is byte || right is byte)
{
var leftVal = leftConv.ToByte(CultureInfo.InvariantCulture);
var rightVal = rightConv.ToByte(CultureInfo.InvariantCulture);
return(BooleanTypedValue.ForValue(leftVal <= rightVal));
}
else if (left is ulong || right is ulong)
{
var leftVal = leftConv.ToUInt64(CultureInfo.InvariantCulture);
var rightVal = rightConv.ToUInt64(CultureInfo.InvariantCulture);
return(BooleanTypedValue.ForValue(leftVal <= rightVal));
}
else if (left is uint || right is uint)
{
var leftVal = leftConv.ToUInt32(CultureInfo.InvariantCulture);
var rightVal = rightConv.ToUInt32(CultureInfo.InvariantCulture);
return(BooleanTypedValue.ForValue(leftVal <= rightVal));
}
else if (left is ushort || right is ushort)
{
var leftVal = leftConv.ToUInt16(CultureInfo.InvariantCulture);
var rightVal = rightConv.ToUInt16(CultureInfo.InvariantCulture);
return(BooleanTypedValue.ForValue(leftVal <= rightVal));
}
else if (left is sbyte || right is sbyte)
{
var leftVal = leftConv.ToSByte(CultureInfo.InvariantCulture);
var rightVal = rightConv.ToSByte(CultureInfo.InvariantCulture);
return(BooleanTypedValue.ForValue(leftVal <= rightVal));
}
}
return(BooleanTypedValue.ForValue(state.TypeComparator.Compare(left, right) <= 0));
}
