/// <summary>
/// Convert StackValue to boolean typed StackValue. Returns
/// StackValue.Null if not able to do conversion.
/// </summary>
/// <param name="core"></param>
/// <returns></returns>
public StackValue ToBoolean(Core core)
{
switch (optype)
{
case AddressType.Boolean:
return(this);
case AddressType.Int:
return(BuildBoolean(opdata != 0));
case AddressType.Null:
return(StackValue.Null);
case AddressType.Double:
bool b = !Double.IsNaN(RawDoubleValue) && !RawDoubleValue.Equals(0.0);
return(BuildBoolean(b));
case AddressType.Pointer:
return(StackValue.BuildBoolean(true));
case AddressType.String:
string str = core.Heap.GetString(this);
return(string.IsNullOrEmpty(str) ? StackValue.False : StackValue.True);
case AddressType.Char:
char c = EncodingUtils.ConvertInt64ToCharacter(opdata);
return((c == 0) ? StackValue.False : StackValue.True);
default:
return(StackValue.Null);
}
}
/// <summary>
/// Convert StackValue to boolean typed StackValue. Returns
/// StackValue.Null if not able to do conversion.
/// </summary>
/// <param name="core"></param>
/// <returns></returns>
public StackValue ToBoolean(RuntimeCore runtimeCore)
{
switch (optype)
{
case AddressType.Boolean:
return(this);
case AddressType.Int:
return(BuildBoolean(opdata != 0));
case AddressType.Null:
return(StackValue.Null);
case AddressType.Double:
bool b = !Double.IsNaN(RawDoubleValue) && !RawDoubleValue.Equals(0.0);
return(BuildBoolean(b));
case AddressType.Pointer:
return(StackValue.BuildBoolean(true));
case AddressType.String:
string str = runtimeCore.RuntimeMemory.Heap.ToHeapObject <DSString>(this).Value;
return(string.IsNullOrEmpty(str) ? StackValue.False : StackValue.True);
case AddressType.Char:
char c = Convert.ToChar(opdata);
return((c == 0) ? StackValue.False : StackValue.True);
default:
return(StackValue.Null);
}
}
/// <summary>
/// Convert StackValue to boolean typed StackValue. Returns
/// StackValue.Null if not able to do conversion.
/// </summary>
/// <param name="core"></param>
/// <returns></returns>
public StackValue ToBoolean(Core core)
{
switch (optype)
{
case AddressType.Boolean:
return(this);
case AddressType.Int:
return(BuildBoolean(opdata != 0));
case AddressType.Null:
return(StackValue.Null);
case AddressType.Double:
bool b = !Double.IsNaN(RawDoubleValue) && !RawDoubleValue.Equals(0.0);
return(BuildBoolean(b));
case AddressType.Pointer:
return(StackValue.BuildBoolean(true));
case AddressType.String:
int size = ArrayUtils.GetElementSize(this, core);
return((size == 0) ? StackValue.False : StackValue.True);
case AddressType.Char:
char c = EncodingUtils.ConvertInt64ToCharacter(opdata);
return((c == 0) ? StackValue.False : StackValue.True);
default:
return(StackValue.Null);
}
}