| static private PyObject_TypeCheck ( IntPtr ob, IntPtr tp ) : bool | ||
| ob | IntPtr | |
| tp | IntPtr | |
| return | bool | |
/// <summary>
/// Convert a Python value to an instance of a primitive managed type.
/// </summary>
private static bool ToPrimitive(IntPtr value, Type obType, out object result, bool setError)
{
IntPtr overflow = Exceptions.OverflowError;
TypeCode tc = Type.GetTypeCode(obType);
result = null;
IntPtr op;
int ival;
switch (tc)
{
case TypeCode.Object:
if (obType == typeof(TimeSpan))
{
op = Runtime.PyObject_Str(value);
TimeSpan ts;
var arr = Runtime.GetManagedString(op).Split(',');
string sts = arr.Length == 1 ? arr[0] : arr[1];
if (!TimeSpan.TryParse(sts, out ts))
{
goto type_error;
}
Runtime.XDecref(op);
int days = 0;
if (arr.Length > 1)
{
if (!int.TryParse(arr[0].Split(' ')[0].Trim(), out days))
{
goto type_error;
}
}
result = ts.Add(TimeSpan.FromDays(days));
return(true);
}
break;
case TypeCode.String:
string st = Runtime.GetManagedString(value);
if (st == null)
{
goto type_error;
}
result = st;
return(true);
case TypeCode.Int32:
// Trickery to support 64-bit platforms.
if (Runtime.IsPython2 && Runtime.Is32Bit)
{
op = Runtime.PyNumber_Int(value);
// As of Python 2.3, large ints magically convert :(
if (Runtime.PyLong_Check(op))
{
Runtime.XDecref(op);
goto overflow;
}
if (op == IntPtr.Zero)
{
if (Exceptions.ExceptionMatches(overflow))
{
goto overflow;
}
goto type_error;
}
ival = (int)Runtime.PyInt_AsLong(op);
Runtime.XDecref(op);
result = ival;
return(true);
}
else // Python3 always use PyLong API
{
op = Runtime.PyNumber_Long(value);
if (op == IntPtr.Zero)
{
Exceptions.Clear();
if (Exceptions.ExceptionMatches(overflow))
{
goto overflow;
}
goto type_error;
}
long ll = (long)Runtime.PyLong_AsLongLong(op);
Runtime.XDecref(op);
if (ll == -1 && Exceptions.ErrorOccurred())
{
goto overflow;
}
if (ll > Int32.MaxValue || ll < Int32.MinValue)
{
goto overflow;
}
result = (int)ll;
return(true);
}
case TypeCode.Boolean:
result = Runtime.PyObject_IsTrue(value) != 0;
return(true);
case TypeCode.Byte:
#if PYTHON3
if (Runtime.PyObject_TypeCheck(value, Runtime.PyBytesType))
{
if (Runtime.PyBytes_Size(value) == 1)
{
op = Runtime.PyBytes_AS_STRING(value);
result = (byte)Marshal.ReadByte(op);
return(true);
}
goto type_error;
}
#elif PYTHON2
if (Runtime.PyObject_TypeCheck(value, Runtime.PyStringType))
{
if (Runtime.PyString_Size(value) == 1)
{
op = Runtime.PyString_AsString(value);
result = (byte)Marshal.ReadByte(op);
return(true);
}
goto type_error;
}
#endif
op = Runtime.PyNumber_Int(value);
if (op == IntPtr.Zero)
{
if (Exceptions.ExceptionMatches(overflow))
{
goto overflow;
}
goto type_error;
}
ival = (int)Runtime.PyInt_AsLong(op);
Runtime.XDecref(op);
if (ival > Byte.MaxValue || ival < Byte.MinValue)
{
goto overflow;
}
byte b = (byte)ival;
result = b;
return(true);
case TypeCode.SByte:
#if PYTHON3
if (Runtime.PyObject_TypeCheck(value, Runtime.PyBytesType))
{
if (Runtime.PyBytes_Size(value) == 1)
{
op = Runtime.PyBytes_AS_STRING(value);
result = (byte)Marshal.ReadByte(op);
return(true);
}
goto type_error;
}
#elif PYTHON2
if (Runtime.PyObject_TypeCheck(value, Runtime.PyStringType))
{
if (Runtime.PyString_Size(value) == 1)
{
op = Runtime.PyString_AsString(value);
result = (sbyte)Marshal.ReadByte(op);
return(true);
}
goto type_error;
}
#endif
op = Runtime.PyNumber_Int(value);
if (op == IntPtr.Zero)
{
if (Exceptions.ExceptionMatches(overflow))
{
goto overflow;
}
goto type_error;
}
ival = (int)Runtime.PyInt_AsLong(op);
Runtime.XDecref(op);
if (ival > SByte.MaxValue || ival < SByte.MinValue)
{
goto overflow;
}
sbyte sb = (sbyte)ival;
result = sb;
return(true);
case TypeCode.Char:
#if PYTHON3
if (Runtime.PyObject_TypeCheck(value, Runtime.PyBytesType))
{
if (Runtime.PyBytes_Size(value) == 1)
{
op = Runtime.PyBytes_AS_STRING(value);
result = (byte)Marshal.ReadByte(op);
return(true);
}
goto type_error;
}
#elif PYTHON2
if (Runtime.PyObject_TypeCheck(value, Runtime.PyStringType))
{
if (Runtime.PyString_Size(value) == 1)
{
op = Runtime.PyString_AsString(value);
result = (char)Marshal.ReadByte(op);
return(true);
}
goto type_error;
}
#endif
else if (Runtime.PyObject_TypeCheck(value, Runtime.PyUnicodeType))
{
if (Runtime.PyUnicode_GetSize(value) == 1)
{
op = Runtime.PyUnicode_AsUnicode(value);
Char[] buff = new Char[1];
Marshal.Copy(op, buff, 0, 1);
result = buff[0];
return(true);
}
goto type_error;
}
op = Runtime.PyNumber_Int(value);
if (op == IntPtr.Zero)
{
goto type_error;
}
ival = Runtime.PyInt_AsLong(op);
Runtime.XDecref(op);
if (ival > Char.MaxValue || ival < Char.MinValue)
{
goto overflow;
}
result = (char)ival;
return(true);
case TypeCode.Int16:
op = Runtime.PyNumber_Int(value);
if (op == IntPtr.Zero)
{
if (Exceptions.ExceptionMatches(overflow))
{
goto overflow;
}
goto type_error;
}
ival = (int)Runtime.PyInt_AsLong(op);
Runtime.XDecref(op);
if (ival > Int16.MaxValue || ival < Int16.MinValue)
{
goto overflow;
}
short s = (short)ival;
result = s;
return(true);
case TypeCode.Int64:
op = Runtime.PyNumber_Long(value);
if (op == IntPtr.Zero)
{
if (Exceptions.ExceptionMatches(overflow))
{
goto overflow;
}
goto type_error;
}
long l = (long)Runtime.PyLong_AsLongLong(op);
Runtime.XDecref(op);
if ((l == -1) && Exceptions.ErrorOccurred())
{
goto overflow;
}
result = l;
return(true);
case TypeCode.UInt16:
op = Runtime.PyNumber_Int(value);
if (op == IntPtr.Zero)
{
if (Exceptions.ExceptionMatches(overflow))
{
goto overflow;
}
goto type_error;
}
ival = (int)Runtime.PyInt_AsLong(op);
Runtime.XDecref(op);
if (ival > UInt16.MaxValue || ival < UInt16.MinValue)
{
goto overflow;
}
ushort us = (ushort)ival;
result = us;
return(true);
case TypeCode.UInt32:
op = Runtime.PyNumber_Long(value);
if (op == IntPtr.Zero)
{
if (Exceptions.ExceptionMatches(overflow))
{
goto overflow;
}
goto type_error;
}
uint ui = (uint)Runtime.PyLong_AsUnsignedLong(op);
if (Exceptions.ErrorOccurred())
{
Runtime.XDecref(op);
goto overflow;
}
IntPtr check = Runtime.PyLong_FromUnsignedLong(ui);
int err = Runtime.PyObject_Compare(check, op);
Runtime.XDecref(check);
Runtime.XDecref(op);
if (0 != err || Exceptions.ErrorOccurred())
{
goto overflow;
}
result = ui;
return(true);
case TypeCode.UInt64:
op = Runtime.PyNumber_Long(value);
if (op == IntPtr.Zero)
{
if (Exceptions.ExceptionMatches(overflow))
{
goto overflow;
}
goto type_error;
}
ulong ul = (ulong)Runtime.PyLong_AsUnsignedLongLong(op);
Runtime.XDecref(op);
if (Exceptions.ErrorOccurred())
{
goto overflow;
}
result = ul;
return(true);
case TypeCode.Single:
op = Runtime.PyNumber_Float(value);
if (op == IntPtr.Zero)
{
if (Exceptions.ExceptionMatches(overflow))
{
goto overflow;
}
goto type_error;
}
double dd = Runtime.PyFloat_AsDouble(op);
Runtime.CheckExceptionOccurred();
Runtime.XDecref(op);
if (dd > Single.MaxValue || dd < Single.MinValue)
{
if (!double.IsInfinity(dd))
{
goto overflow;
}
}
result = (float)dd;
return(true);
case TypeCode.Double:
op = Runtime.PyNumber_Float(value);
if (op == IntPtr.Zero)
{
goto type_error;
}
double d = Runtime.PyFloat_AsDouble(op);
Runtime.CheckExceptionOccurred();
Runtime.XDecref(op);
result = d;
return(true);
case TypeCode.Decimal:
op = Runtime.PyObject_Str(value);
decimal m;
string sm = Runtime.GetManagedString(op);
if (!Decimal.TryParse(sm, NumberStyles.Number, nfi, out m))
{
goto type_error;
}
Runtime.XDecref(op);
result = m;
return(true);
case TypeCode.DateTime:
op = Runtime.PyObject_Str(value);
DateTime dt;
string sdt = Runtime.GetManagedString(op);
if (!DateTime.TryParse(sdt, out dt))
{
goto type_error;
}
Runtime.XDecref(op);
result = sdt.EndsWith("+00:00") ? dt.ToUniversalTime() : dt;
return(true);
}
type_error:
if (setError)
{
string tpName = Runtime.PyObject_GetTypeName(value);
Exceptions.SetError(Exceptions.TypeError, $"'{tpName}' value cannot be converted to {obType}");
}
return(false);
overflow:
if (setError)
{
Exceptions.SetError(Exceptions.OverflowError, "value too large to convert");
}
return(false);
}
/// <summary>
/// Convert a Python value to an instance of a primitive managed type.
/// </summary>
private static bool ToPrimitive(BorrowedReference value, Type obType, out object?result, bool setError)
{
result = null;
if (obType.IsEnum)
{
if (setError)
{
Exceptions.SetError(Exceptions.TypeError, "since Python.NET 3.0 int can not be converted to Enum implicitly. Use Enum(int_value)");
}
return(false);
}
TypeCode tc = Type.GetTypeCode(obType);
switch (tc)
{
case TypeCode.String:
string?st = Runtime.GetManagedString(value);
if (st == null)
{
goto type_error;
}
result = st;
return(true);
case TypeCode.Int32:
{
// Python3 always use PyLong API
nint num = Runtime.PyLong_AsSignedSize_t(value);
if (num == -1 && Exceptions.ErrorOccurred())
{
goto convert_error;
}
if (num > Int32.MaxValue || num < Int32.MinValue)
{
goto overflow;
}
result = (int)num;
return(true);
}
case TypeCode.Boolean:
if (value == Runtime.PyTrue)
{
result = true;
return(true);
}
if (value == Runtime.PyFalse)
{
result = false;
return(true);
}
if (setError)
{
goto type_error;
}
return(false);
case TypeCode.Byte:
{
if (Runtime.PyObject_TypeCheck(value, Runtime.PyBytesType))
{
if (Runtime.PyBytes_Size(value) == 1)
{
IntPtr bytePtr = Runtime.PyBytes_AsString(value);
result = (byte)Marshal.ReadByte(bytePtr);
return(true);
}
goto type_error;
}
nint num = Runtime.PyLong_AsSignedSize_t(value);
if (num == -1 && Exceptions.ErrorOccurred())
{
goto convert_error;
}
if (num > Byte.MaxValue || num < Byte.MinValue)
{
goto overflow;
}
result = (byte)num;
return(true);
}
case TypeCode.SByte:
{
if (Runtime.PyObject_TypeCheck(value, Runtime.PyBytesType))
{
if (Runtime.PyBytes_Size(value) == 1)
{
IntPtr bytePtr = Runtime.PyBytes_AsString(value);
result = (sbyte)Marshal.ReadByte(bytePtr);
return(true);
}
goto type_error;
}
nint num = Runtime.PyLong_AsSignedSize_t(value);
if (num == -1 && Exceptions.ErrorOccurred())
{
goto convert_error;
}
if (num > SByte.MaxValue || num < SByte.MinValue)
{
goto overflow;
}
result = (sbyte)num;
return(true);
}
case TypeCode.Char:
{
if (Runtime.PyObject_TypeCheck(value, Runtime.PyBytesType))
{
if (Runtime.PyBytes_Size(value) == 1)
{
IntPtr bytePtr = Runtime.PyBytes_AsString(value);
result = (char)Marshal.ReadByte(bytePtr);
return(true);
}
goto type_error;
}
else if (Runtime.PyObject_TypeCheck(value, Runtime.PyUnicodeType))
{
if (Runtime.PyUnicode_GetLength(value) == 1)
{
IntPtr unicodePtr = Runtime.PyUnicode_AsUnicode(value);
Char[] buff = new Char[1];
Marshal.Copy(unicodePtr, buff, 0, 1);
result = buff[0];
return(true);
}
goto type_error;
}
nint num = Runtime.PyLong_AsSignedSize_t(value);
if (num == -1 && Exceptions.ErrorOccurred())
{
goto convert_error;
}
if (num > Char.MaxValue || num < Char.MinValue)
{
goto overflow;
}
result = (char)num;
return(true);
}
case TypeCode.Int16:
{
nint num = Runtime.PyLong_AsSignedSize_t(value);
if (num == -1 && Exceptions.ErrorOccurred())
{
goto convert_error;
}
if (num > Int16.MaxValue || num < Int16.MinValue)
{
goto overflow;
}
result = (short)num;
return(true);
}
case TypeCode.Int64:
{
if (Runtime.Is32Bit)
{
if (!Runtime.PyLong_Check(value))
{
goto type_error;
}
long?num = Runtime.PyLong_AsLongLong(value);
if (num is null)
{
goto convert_error;
}
result = num.Value;
return(true);
}
else
{
nint num = Runtime.PyLong_AsSignedSize_t(value);
if (num == -1 && Exceptions.ErrorOccurred())
{
goto convert_error;
}
result = (long)num;
return(true);
}
}
case TypeCode.UInt16:
{
nint num = Runtime.PyLong_AsSignedSize_t(value);
if (num == -1 && Exceptions.ErrorOccurred())
{
goto convert_error;
}
if (num > UInt16.MaxValue || num < UInt16.MinValue)
{
goto overflow;
}
result = (ushort)num;
return(true);
}
case TypeCode.UInt32:
{
nuint num = Runtime.PyLong_AsUnsignedSize_t(value);
if (num == unchecked ((nuint)(-1)) && Exceptions.ErrorOccurred())
{
goto convert_error;
}
if (num > UInt32.MaxValue)
{
goto overflow;
}
result = (uint)num;
return(true);
}
case TypeCode.UInt64:
{
ulong?num = Runtime.PyLong_AsUnsignedLongLong(value);
if (num is null)
{
goto convert_error;
}
result = num.Value;
return(true);
}
case TypeCode.Single:
{
if (!Runtime.PyFloat_Check(value) && !Runtime.PyInt_Check(value))
{
goto type_error;
}
double num = Runtime.PyFloat_AsDouble(value);
if (num == -1.0 && Exceptions.ErrorOccurred())
{
goto convert_error;
}
if (num > Single.MaxValue || num < Single.MinValue)
{
if (!double.IsInfinity(num))
{
goto overflow;
}
}
result = (float)num;
return(true);
}
case TypeCode.Double:
{
if (!Runtime.PyFloat_Check(value) && !Runtime.PyInt_Check(value))
{
goto type_error;
}
double num = Runtime.PyFloat_AsDouble(value);
if (num == -1.0 && Exceptions.ErrorOccurred())
{
goto convert_error;
}
result = num;
return(true);
}
default:
goto type_error;
}
convert_error:
if (!setError)
{
Exceptions.Clear();
}
return(false);
type_error:
if (setError)
{
string tpName = Runtime.PyObject_GetTypeName(value);
Exceptions.SetError(Exceptions.TypeError, $"'{tpName}' value cannot be converted to {obType}");
}
return(false);
overflow:
// C# level overflow error
if (setError)
{
Exceptions.SetError(Exceptions.OverflowError, "value too large to convert");
}
return(false);
}
/// <summary>
/// TypeCheck Method
/// </summary>
///
/// <remarks>
/// Returns true if the object o is of type typeOrClass or a subtype
/// of typeOrClass.
/// </remarks>
public bool TypeCheck(PyObject typeOrClass)
{
return(Runtime.PyObject_TypeCheck(obj, typeOrClass.obj));
}
/// <summary>
/// Convert a Python value to an instance of a primitive managed type.
/// </summary>
private static bool ToPrimitive(IntPtr value, Type obType, out object result, bool setError)
{
IntPtr overflow = Exceptions.OverflowError;
TypeCode tc = Type.GetTypeCode(obType);
result = null;
IntPtr op;
int ival;
switch (tc)
{
case TypeCode.String:
string st = Runtime.GetManagedString(value);
if (st == null)
{
goto type_error;
}
result = st;
return(true);
case TypeCode.Int32:
// Trickery to support 64-bit platforms.
if (Runtime.IsPython2 && Runtime.Is32Bit)
{
op = Runtime.PyNumber_Int(value);
// As of Python 2.3, large ints magically convert :(
if (Runtime.PyLong_Check(op))
{
Runtime.XDecref(op);
goto overflow;
}
if (op == IntPtr.Zero)
{
if (Exceptions.ExceptionMatches(overflow))
{
goto overflow;
}
goto type_error;
}
ival = (int)Runtime.PyInt_AsLong(op);
Runtime.XDecref(op);
result = ival;
return(true);
}
else // Python3 always use PyLong API
{
op = Runtime.PyNumber_Long(value);
if (op == IntPtr.Zero)
{
Exceptions.Clear();
if (Exceptions.ExceptionMatches(overflow))
{
goto overflow;
}
goto type_error;
}
long ll = (long)Runtime.PyLong_AsLongLong(op);
Runtime.XDecref(op);
if (ll == -1 && Exceptions.ErrorOccurred())
{
goto overflow;
}
if (ll > Int32.MaxValue || ll < Int32.MinValue)
{
goto overflow;
}
result = (int)ll;
return(true);
}
case TypeCode.Boolean:
result = Runtime.PyObject_IsTrue(value) != 0;
return(true);
case TypeCode.Byte:
#if PYTHON3
if (Runtime.PyObject_TypeCheck(value, Runtime.PyBytesType))
{
if (Runtime.PyBytes_Size(value) == 1)
{
op = Runtime.PyBytes_AS_STRING(value);
result = (byte)Marshal.ReadByte(op);
return(true);
}
goto type_error;
}
#elif PYTHON2
if (Runtime.PyObject_TypeCheck(value, Runtime.PyStringType))
{
if (Runtime.PyString_Size(value) == 1)
{
op = Runtime.PyString_AS_STRING(value);
result = (byte)Marshal.ReadByte(op);
return(true);
}
goto type_error;
}
#endif
op = Runtime.PyNumber_Int(value);
if (op == IntPtr.Zero)
{
if (Exceptions.ExceptionMatches(overflow))
{
goto overflow;
}
goto type_error;
}
ival = (int)Runtime.PyInt_AsLong(op);
Runtime.XDecref(op);
if (ival > Byte.MaxValue || ival < Byte.MinValue)
{
goto overflow;
}
byte b = (byte)ival;
result = b;
return(true);
case TypeCode.SByte:
#if PYTHON3
if (Runtime.PyObject_TypeCheck(value, Runtime.PyBytesType))
{
if (Runtime.PyBytes_Size(value) == 1)
{
op = Runtime.PyBytes_AS_STRING(value);
result = (byte)Marshal.ReadByte(op);
return(true);
}
goto type_error;
}
#elif PYTHON2
if (Runtime.PyObject_TypeCheck(value, Runtime.PyStringType))
{
if (Runtime.PyString_Size(value) == 1)
{
op = Runtime.PyString_AS_STRING(value);
result = (sbyte)Marshal.ReadByte(op);
return(true);
}
goto type_error;
}
#endif
op = Runtime.PyNumber_Int(value);
if (op == IntPtr.Zero)
{
if (Exceptions.ExceptionMatches(overflow))
{
goto overflow;
}
goto type_error;
}
ival = (int)Runtime.PyInt_AsLong(op);
Runtime.XDecref(op);
if (ival > SByte.MaxValue || ival < SByte.MinValue)
{
goto overflow;
}
sbyte sb = (sbyte)ival;
result = sb;
return(true);
case TypeCode.Char:
#if PYTHON3
if (Runtime.PyObject_TypeCheck(value, Runtime.PyBytesType))
{
if (Runtime.PyBytes_Size(value) == 1)
{
op = Runtime.PyBytes_AS_STRING(value);
result = (byte)Marshal.ReadByte(op);
return(true);
}
goto type_error;
}
#elif PYTHON2
if (Runtime.PyObject_TypeCheck(value, Runtime.PyStringType))
{
if (Runtime.PyString_Size(value) == 1)
{
op = Runtime.PyString_AS_STRING(value);
result = (char)Marshal.ReadByte(op);
return(true);
}
goto type_error;
}
#endif
else if (Runtime.PyObject_TypeCheck(value, Runtime.PyUnicodeType))
{
if (Runtime.PyUnicode_GetSize(value) == 1)
{
op = Runtime.PyUnicode_AS_UNICODE(value);
if (Runtime.UCS == 2) // Don't trust linter, statement not always true.
{
// 2011-01-02: Marshal as character array because the cast
// result = (char)Marshal.ReadInt16(op); throws an OverflowException
// on negative numbers with Check Overflow option set on the project
Char[] buff = new Char[1];
Marshal.Copy(op, buff, 0, 1);
result = buff[0];
}
else // UCS4
{
// XXX this is probably NOT correct?
result = (char)Marshal.ReadInt32(op);
}
return(true);
}
goto type_error;
}
op = Runtime.PyNumber_Int(value);
if (op == IntPtr.Zero)
{
goto type_error;
}
ival = Runtime.PyInt_AsLong(op);
Runtime.XDecref(op);
if (ival > Char.MaxValue || ival < Char.MinValue)
{
goto overflow;
}
result = (char)ival;
return(true);
case TypeCode.Int16:
op = Runtime.PyNumber_Int(value);
if (op == IntPtr.Zero)
{
if (Exceptions.ExceptionMatches(overflow))
{
goto overflow;
}
goto type_error;
}
ival = (int)Runtime.PyInt_AsLong(op);
Runtime.XDecref(op);
if (ival > Int16.MaxValue || ival < Int16.MinValue)
{
goto overflow;
}
short s = (short)ival;
result = s;
return(true);
case TypeCode.Int64:
op = Runtime.PyNumber_Long(value);
if (op == IntPtr.Zero)
{
if (Exceptions.ExceptionMatches(overflow))
{
goto overflow;
}
goto type_error;
}
long l = (long)Runtime.PyLong_AsLongLong(op);
Runtime.XDecref(op);
if ((l == -1) && Exceptions.ErrorOccurred())
{
goto overflow;
}
result = l;
return(true);
case TypeCode.UInt16:
op = Runtime.PyNumber_Int(value);
if (op == IntPtr.Zero)
{
if (Exceptions.ExceptionMatches(overflow))
{
goto overflow;
}
goto type_error;
}
ival = (int)Runtime.PyInt_AsLong(op);
Runtime.XDecref(op);
if (ival > UInt16.MaxValue || ival < UInt16.MinValue)
{
goto overflow;
}
ushort us = (ushort)ival;
result = us;
return(true);
case TypeCode.UInt32:
op = Runtime.PyNumber_Long(value);
if (op == IntPtr.Zero)
{
if (Exceptions.ExceptionMatches(overflow))
{
goto overflow;
}
goto type_error;
}
uint ui = (uint)Runtime.PyLong_AsUnsignedLong(op);
if (Exceptions.ErrorOccurred())
{
Runtime.XDecref(op);
goto overflow;
}
IntPtr check = Runtime.PyLong_FromUnsignedLong(ui);
int err = Runtime.PyObject_Compare(check, op);
Runtime.XDecref(check);
Runtime.XDecref(op);
if (0 != err || Exceptions.ErrorOccurred())
{
goto overflow;
}
result = ui;
return(true);
case TypeCode.UInt64:
op = Runtime.PyNumber_Long(value);
if (op == IntPtr.Zero)
{
if (Exceptions.ExceptionMatches(overflow))
{
goto overflow;
}
goto type_error;
}
ulong ul = (ulong)Runtime.PyLong_AsUnsignedLongLong(op);
Runtime.XDecref(op);
if (Exceptions.ErrorOccurred())
{
goto overflow;
}
result = ul;
return(true);
case TypeCode.Single:
op = Runtime.PyNumber_Float(value);
if (op == IntPtr.Zero)
{
if (Exceptions.ExceptionMatches(overflow))
{
goto overflow;
}
goto type_error;
}
double dd = Runtime.PyFloat_AsDouble(op);
Runtime.XDecref(op);
if (dd > Single.MaxValue || dd < Single.MinValue)
{
goto overflow;
}
result = (float)dd;
return(true);
case TypeCode.Double:
op = Runtime.PyNumber_Float(value);
if (op == IntPtr.Zero)
{
goto type_error;
}
double d = Runtime.PyFloat_AsDouble(op);
Runtime.XDecref(op);
if (d > Double.MaxValue || d < Double.MinValue)
{
goto overflow;
}
result = d;
return(true);
}
type_error:
if (setError)
{
string tpName = Runtime.PyObject_GetTypeName(value);
Exceptions.SetError(Exceptions.TypeError, $"'{tpName}' value cannot be converted to {obType}");
}
return(false);
overflow:
if (setError)
{
Exceptions.SetError(Exceptions.OverflowError, "value too large to convert");
}
return(false);
}
/// <summary>
/// Convert a Python value to an instance of a primitive managed type.
/// </summary>
private static bool ToPrimitive(IntPtr value, Type obType, out object result, bool setError)
{
TypeCode tc = Type.GetTypeCode(obType);
result = null;
IntPtr op = IntPtr.Zero;
switch (tc)
{
case TypeCode.String:
string st = Runtime.GetManagedString(value);
if (st == null)
{
goto type_error;
}
result = st;
return(true);
case TypeCode.Int32:
{
// Python3 always use PyLong API
long num = Runtime.PyLong_AsLongLong(value);
if (num == -1 && Exceptions.ErrorOccurred())
{
goto convert_error;
}
if (num > Int32.MaxValue || num < Int32.MinValue)
{
goto overflow;
}
result = (int)num;
return(true);
}
case TypeCode.Boolean:
result = Runtime.PyObject_IsTrue(value) != 0;
return(true);
case TypeCode.Byte:
{
if (Runtime.PyObject_TypeCheck(value, Runtime.PyBytesType))
{
if (Runtime.PyBytes_Size(value) == 1)
{
op = Runtime.PyBytes_AS_STRING(value);
result = (byte)Marshal.ReadByte(op);
return(true);
}
goto type_error;
}
int num = Runtime.PyLong_AsLong(value);
if (num == -1 && Exceptions.ErrorOccurred())
{
goto convert_error;
}
if (num > Byte.MaxValue || num < Byte.MinValue)
{
goto overflow;
}
result = (byte)num;
return(true);
}
case TypeCode.SByte:
{
if (Runtime.PyObject_TypeCheck(value, Runtime.PyBytesType))
{
if (Runtime.PyBytes_Size(value) == 1)
{
op = Runtime.PyBytes_AS_STRING(value);
result = (byte)Marshal.ReadByte(op);
return(true);
}
goto type_error;
}
int num = Runtime.PyLong_AsLong(value);
if (num == -1 && Exceptions.ErrorOccurred())
{
goto convert_error;
}
if (num > SByte.MaxValue || num < SByte.MinValue)
{
goto overflow;
}
result = (sbyte)num;
return(true);
}
case TypeCode.Char:
{
if (Runtime.PyObject_TypeCheck(value, Runtime.PyBytesType))
{
if (Runtime.PyBytes_Size(value) == 1)
{
op = Runtime.PyBytes_AS_STRING(value);
result = (byte)Marshal.ReadByte(op);
return(true);
}
goto type_error;
}
else if (Runtime.PyObject_TypeCheck(value, Runtime.PyUnicodeType))
{
if (Runtime.PyUnicode_GetSize(value) == 1)
{
op = Runtime.PyUnicode_AsUnicode(value);
Char[] buff = new Char[1];
Marshal.Copy(op, buff, 0, 1);
result = buff[0];
return(true);
}
goto type_error;
}
int num = Runtime.PyLong_AsLong(value);
if (num == -1 && Exceptions.ErrorOccurred())
{
goto convert_error;
}
if (num > Char.MaxValue || num < Char.MinValue)
{
goto overflow;
}
result = (char)num;
return(true);
}
case TypeCode.Int16:
{
int num = Runtime.PyLong_AsLong(value);
if (num == -1 && Exceptions.ErrorOccurred())
{
goto convert_error;
}
if (num > Int16.MaxValue || num < Int16.MinValue)
{
goto overflow;
}
result = (short)num;
return(true);
}
case TypeCode.Int64:
{
long num = (long)Runtime.PyLong_AsLongLong(value);
if (num == -1 && Exceptions.ErrorOccurred())
{
goto convert_error;
}
result = num;
return(true);
}
case TypeCode.UInt16:
{
long num = Runtime.PyLong_AsLong(value);
if (num == -1 && Exceptions.ErrorOccurred())
{
goto convert_error;
}
if (num > UInt16.MaxValue || num < UInt16.MinValue)
{
goto overflow;
}
result = (ushort)num;
return(true);
}
case TypeCode.UInt32:
{
op = value;
if (Runtime.PyObject_TYPE(value) != Runtime.PyLongType)
{
op = Runtime.PyNumber_Long(value);
if (op == IntPtr.Zero)
{
goto convert_error;
}
}
if (Runtime.Is32Bit || Runtime.IsWindows)
{
uint num = Runtime.PyLong_AsUnsignedLong32(op);
if (num == uint.MaxValue && Exceptions.ErrorOccurred())
{
goto convert_error;
}
result = num;
}
else
{
ulong num = Runtime.PyLong_AsUnsignedLong64(op);
if (num == ulong.MaxValue && Exceptions.ErrorOccurred())
{
goto convert_error;
}
try
{
result = Convert.ToUInt32(num);
}
catch (OverflowException)
{
// Probably wasn't an overflow in python but was in C# (e.g. if cpython
// longs are 64 bit then 0xFFFFFFFF + 1 will not overflow in
// PyLong_AsUnsignedLong)
goto overflow;
}
}
return(true);
}
case TypeCode.UInt64:
{
op = value;
if (Runtime.PyObject_TYPE(value) != Runtime.PyLongType)
{
op = Runtime.PyNumber_Long(value);
if (op == IntPtr.Zero)
{
goto convert_error;
}
}
ulong num = Runtime.PyLong_AsUnsignedLongLong(op);
if (num == ulong.MaxValue && Exceptions.ErrorOccurred())
{
goto overflow;
}
result = num;
return(true);
}
case TypeCode.Single:
{
double num = Runtime.PyFloat_AsDouble(value);
if (num == -1.0 && Exceptions.ErrorOccurred())
{
goto convert_error;
}
if (num > Single.MaxValue || num < Single.MinValue)
{
if (!double.IsInfinity(num))
{
goto overflow;
}
}
result = (float)num;
return(true);
}
case TypeCode.Double:
{
double num = Runtime.PyFloat_AsDouble(value);
if (num == -1.0 && Exceptions.ErrorOccurred())
{
goto convert_error;
}
result = num;
return(true);
}
default:
goto type_error;
}
convert_error:
if (op != value)
{
Runtime.XDecref(op);
}
if (!setError)
{
Exceptions.Clear();
}
return(false);
type_error:
if (setError)
{
string tpName = Runtime.PyObject_GetTypeName(value);
Exceptions.SetError(Exceptions.TypeError, $"'{tpName}' value cannot be converted to {obType}");
}
return(false);
overflow:
// C# level overflow error
if (op != value)
{
Runtime.XDecref(op);
}
if (setError)
{
Exceptions.SetError(Exceptions.OverflowError, "value too large to convert");
}
return(false);
}
//====================================================================
// Convert a Python value to an instance of a primitive managed type.
//====================================================================
static bool ToPrimitive(IntPtr value, Type obType, out Object result,
bool setError)
{
IntPtr overflow = Exceptions.OverflowError;
TypeCode tc = Type.GetTypeCode(obType);
result = null;
IntPtr op;
int ival;
switch (tc)
{
case TypeCode.String:
string st = Runtime.GetManagedString(value);
if (st == null)
{
goto type_error;
}
result = st;
return(true);
case TypeCode.Int32:
// Trickery to support 64-bit platforms.
if (IntPtr.Size == 4)
{
op = Runtime.PyNumber_Int(value);
// As of Python 2.3, large ints magically convert :(
if (Runtime.PyLong_Check(op))
{
Runtime.Decref(op);
goto overflow;
}
if (op == IntPtr.Zero)
{
if (Exceptions.ExceptionMatches(overflow))
{
goto overflow;
}
goto type_error;
}
ival = (int)Runtime.PyInt_AsLong(op);
Runtime.Decref(op);
result = ival;
return(true);
}
else
{
op = Runtime.PyNumber_Long(value);
if (op == IntPtr.Zero)
{
if (Exceptions.ExceptionMatches(overflow))
{
goto overflow;
}
goto type_error;
}
long ll = (long)Runtime.PyLong_AsLongLong(op);
Runtime.Decref(op);
if ((ll == -1) && Exceptions.ErrorOccurred())
{
goto overflow;
}
if (ll > Int32.MaxValue || ll < Int32.MinValue)
{
goto overflow;
}
result = (int)ll;
return(true);
}
case TypeCode.Boolean:
result = (Runtime.PyObject_IsTrue(value) != 0);
return(true);
case TypeCode.Byte:
if (Runtime.PyObject_TypeCheck(value, Runtime.PyStringType))
{
if (Runtime.PyString_Size(value) == 1)
{
op = Runtime.PyString_AS_STRING(value);
result = (byte)Marshal.ReadByte(op);
return(true);
}
goto type_error;
}
op = Runtime.PyNumber_Int(value);
if (op == IntPtr.Zero)
{
if (Exceptions.ExceptionMatches(overflow))
{
goto overflow;
}
goto type_error;
}
ival = (int)Runtime.PyInt_AsLong(op);
Runtime.Decref(op);
if (ival > Byte.MaxValue || ival < Byte.MinValue)
{
goto overflow;
}
byte b = (byte)ival;
result = b;
return(true);
case TypeCode.SByte:
if (Runtime.PyObject_TypeCheck(value, Runtime.PyStringType))
{
if (Runtime.PyString_Size(value) == 1)
{
op = Runtime.PyString_AS_STRING(value);
result = (sbyte)Marshal.ReadByte(op);
return(true);
}
goto type_error;
}
op = Runtime.PyNumber_Int(value);
if (op == IntPtr.Zero)
{
if (Exceptions.ExceptionMatches(overflow))
{
goto overflow;
}
goto type_error;
}
ival = (int)Runtime.PyInt_AsLong(op);
Runtime.Decref(op);
if (ival > SByte.MaxValue || ival < SByte.MinValue)
{
goto overflow;
}
sbyte sb = (sbyte)ival;
result = sb;
return(true);
case TypeCode.Char:
if (Runtime.PyObject_TypeCheck(value, Runtime.PyStringType))
{
if (Runtime.PyString_Size(value) == 1)
{
op = Runtime.PyString_AS_STRING(value);
result = (char)Marshal.ReadByte(op);
return(true);
}
goto type_error;
}
else if (Runtime.PyObject_TypeCheck(value,
Runtime.PyUnicodeType))
{
if (Runtime.PyUnicode_GetSize(value) == 1)
{
op = Runtime.PyUnicode_AS_UNICODE(value);
result = (char)Marshal.ReadInt16(op);
return(true);
}
goto type_error;
}
op = Runtime.PyNumber_Int(value);
if (op == IntPtr.Zero)
{
goto type_error;
}
ival = Runtime.PyInt_AsLong(op);
if (ival > Char.MaxValue || ival < Char.MinValue)
{
goto overflow;
}
Runtime.Decref(op);
result = (char)ival;
return(true);
case TypeCode.Int16:
op = Runtime.PyNumber_Int(value);
if (op == IntPtr.Zero)
{
if (Exceptions.ExceptionMatches(overflow))
{
goto overflow;
}
goto type_error;
}
ival = (int)Runtime.PyInt_AsLong(op);
Runtime.Decref(op);
if (ival > Int16.MaxValue || ival < Int16.MinValue)
{
goto overflow;
}
short s = (short)ival;
result = s;
return(true);
case TypeCode.Int64:
op = Runtime.PyNumber_Long(value);
if (op == IntPtr.Zero)
{
if (Exceptions.ExceptionMatches(overflow))
{
goto overflow;
}
goto type_error;
}
long l = (long)Runtime.PyLong_AsLongLong(op);
Runtime.Decref(op);
if ((l == -1) && Exceptions.ErrorOccurred())
{
goto overflow;
}
result = l;
return(true);
case TypeCode.UInt16:
op = Runtime.PyNumber_Int(value);
if (op == IntPtr.Zero)
{
if (Exceptions.ExceptionMatches(overflow))
{
goto overflow;
}
goto type_error;
}
ival = (int)Runtime.PyInt_AsLong(op);
Runtime.Decref(op);
if (ival > UInt16.MaxValue || ival < UInt16.MinValue)
{
goto overflow;
}
ushort us = (ushort)ival;
result = us;
return(true);
case TypeCode.UInt32:
op = Runtime.PyNumber_Long(value);
if (op == IntPtr.Zero)
{
if (Exceptions.ExceptionMatches(overflow))
{
goto overflow;
}
goto type_error;
}
uint ui = (uint)Runtime.PyLong_AsUnsignedLong(op);
Runtime.Decref(op);
if (Exceptions.ErrorOccurred())
{
goto overflow;
}
result = ui;
return(true);
case TypeCode.UInt64:
op = Runtime.PyNumber_Long(value);
if (op == IntPtr.Zero)
{
if (Exceptions.ExceptionMatches(overflow))
{
goto overflow;
}
goto type_error;
}
ulong ul = (ulong)Runtime.PyLong_AsUnsignedLongLong(op);
Runtime.Decref(op);
if (Exceptions.ErrorOccurred())
{
goto overflow;
}
result = ul;
return(true);
case TypeCode.Single:
op = Runtime.PyNumber_Float(value);
if (op == IntPtr.Zero)
{
if (Exceptions.ExceptionMatches(overflow))
{
goto overflow;
}
goto type_error;
}
double dd = Runtime.PyFloat_AsDouble(value);
if (dd > Single.MaxValue || dd < Single.MinValue)
{
goto overflow;
}
result = (float)dd;
return(true);
case TypeCode.Double:
op = Runtime.PyNumber_Float(value);
if (op == IntPtr.Zero)
{
goto type_error;
}
double d = Runtime.PyFloat_AsDouble(op);
Runtime.Decref(op);
if (d > Double.MaxValue || d < Double.MinValue)
{
goto overflow;
}
result = d;
return(true);
}
type_error:
if (setError)
{
string format = "'{0}' value cannot be converted to {1}";
string tpName = Runtime.PyObject_GetTypeName(value);
string error = String.Format(format, tpName, obType);
Exceptions.SetError(Exceptions.TypeError, error);
}
return(false);
overflow:
if (setError)
{
string error = "value too large to convert";
Exceptions.SetError(Exceptions.OverflowError, error);
}
return(false);
}
/// <summary>
/// Convert a Python value to an instance of a primitive managed type.
/// </summary>
private static bool ToPrimitive(IntPtr value, Type obType, out object result, bool setError)
{
TypeCode tc = Type.GetTypeCode(obType);
result = null;
IntPtr op = IntPtr.Zero;
switch (tc)
{
case TypeCode.String:
string st = Runtime.GetManagedString(value);
if (st == null)
{
goto type_error;
}
result = st;
return(true);
case TypeCode.Int32:
{
// Python3 always use PyLong API
nint num = Runtime.PyLong_AsSignedSize_t(value);
if (num == -1 && Exceptions.ErrorOccurred())
{
goto convert_error;
}
if (num > Int32.MaxValue || num < Int32.MinValue)
{
goto overflow;
}
result = (int)num;
return(true);
}
case TypeCode.Boolean:
result = Runtime.PyObject_IsTrue(value) != 0;
return(true);
case TypeCode.Byte:
{
if (Runtime.PyObject_TypeCheck(value, Runtime.PyBytesType))
{
if (Runtime.PyBytes_Size(value) == 1)
{
op = Runtime.PyBytes_AS_STRING(value);
result = (byte)Marshal.ReadByte(op);
return(true);
}
goto type_error;
}
nint num = Runtime.PyLong_AsSignedSize_t(value);
if (num == -1 && Exceptions.ErrorOccurred())
{
goto convert_error;
}
if (num > Byte.MaxValue || num < Byte.MinValue)
{
goto overflow;
}
result = (byte)num;
return(true);
}
case TypeCode.SByte:
{
if (Runtime.PyObject_TypeCheck(value, Runtime.PyBytesType))
{
if (Runtime.PyBytes_Size(value) == 1)
{
op = Runtime.PyBytes_AS_STRING(value);
result = (byte)Marshal.ReadByte(op);
return(true);
}
goto type_error;
}
nint num = Runtime.PyLong_AsSignedSize_t(value);
if (num == -1 && Exceptions.ErrorOccurred())
{
goto convert_error;
}
if (num > SByte.MaxValue || num < SByte.MinValue)
{
goto overflow;
}
result = (sbyte)num;
return(true);
}
case TypeCode.Char:
{
if (Runtime.PyObject_TypeCheck(value, Runtime.PyBytesType))
{
if (Runtime.PyBytes_Size(value) == 1)
{
op = Runtime.PyBytes_AS_STRING(value);
result = (byte)Marshal.ReadByte(op);
return(true);
}
goto type_error;
}
else if (Runtime.PyObject_TypeCheck(value, Runtime.PyUnicodeType))
{
if (Runtime.PyUnicode_GetSize(value) == 1)
{
op = Runtime.PyUnicode_AsUnicode(value);
Char[] buff = new Char[1];
Marshal.Copy(op, buff, 0, 1);
result = buff[0];
return(true);
}
goto type_error;
}
nint num = Runtime.PyLong_AsSignedSize_t(value);
if (num == -1 && Exceptions.ErrorOccurred())
{
goto convert_error;
}
if (num > Char.MaxValue || num < Char.MinValue)
{
goto overflow;
}
result = (char)num;
return(true);
}
case TypeCode.Int16:
{
nint num = Runtime.PyLong_AsSignedSize_t(value);
if (num == -1 && Exceptions.ErrorOccurred())
{
goto convert_error;
}
if (num > Int16.MaxValue || num < Int16.MinValue)
{
goto overflow;
}
result = (short)num;
return(true);
}
case TypeCode.Int64:
{
if (Runtime.Is32Bit)
{
if (!Runtime.PyLong_Check(value))
{
goto type_error;
}
long num = Runtime.PyExplicitlyConvertToInt64(value);
if (num == -1 && Exceptions.ErrorOccurred())
{
goto convert_error;
}
result = num;
return(true);
}
else
{
nint num = Runtime.PyLong_AsSignedSize_t(value);
if (num == -1 && Exceptions.ErrorOccurred())
{
goto convert_error;
}
result = (long)num;
return(true);
}
}
case TypeCode.UInt16:
{
nint num = Runtime.PyLong_AsSignedSize_t(value);
if (num == -1 && Exceptions.ErrorOccurred())
{
goto convert_error;
}
if (num > UInt16.MaxValue || num < UInt16.MinValue)
{
goto overflow;
}
result = (ushort)num;
return(true);
}
case TypeCode.UInt32:
{
nuint num = Runtime.PyLong_AsUnsignedSize_t(value);
if (num == unchecked ((nuint)(-1)) && Exceptions.ErrorOccurred())
{
goto convert_error;
}
if (num > UInt32.MaxValue)
{
goto overflow;
}
result = (uint)num;
return(true);
}
case TypeCode.UInt64:
{
ulong num = Runtime.PyLong_AsUnsignedLongLong(value);
if (num == ulong.MaxValue && Exceptions.ErrorOccurred())
{
goto convert_error;
}
result = num;
return(true);
}
case TypeCode.Single:
{
double num = Runtime.PyFloat_AsDouble(value);
if (num == -1.0 && Exceptions.ErrorOccurred())
{
goto convert_error;
}
if (num > Single.MaxValue || num < Single.MinValue)
{
if (!double.IsInfinity(num))
{
goto overflow;
}
}
result = (float)num;
return(true);
}
case TypeCode.Double:
{
double num = Runtime.PyFloat_AsDouble(value);
if (num == -1.0 && Exceptions.ErrorOccurred())
{
goto convert_error;
}
result = num;
return(true);
}
default:
goto type_error;
}
convert_error:
if (op != value)
{
Runtime.XDecref(op);
}
if (!setError)
{
Exceptions.Clear();
}
return(false);
type_error:
if (setError)
{
string tpName = Runtime.PyObject_GetTypeName(value);
Exceptions.SetError(Exceptions.TypeError, $"'{tpName}' value cannot be converted to {obType}");
}
return(false);
overflow:
// C# level overflow error
if (op != value)
{
Runtime.XDecref(op);
}
if (setError)
{
Exceptions.SetError(Exceptions.OverflowError, "value too large to convert");
}
return(false);
}
/// <summary>
/// Convert a Python value to an instance of a primitive managed type.
/// </summary>
private static bool ToPrimitive(IntPtr value, Type obType, out object result, bool setError)
{
IntPtr overflow = Exceptions.OverflowError;
TypeCode tc = Type.GetTypeCode(obType);
result = null;
IntPtr op;
int ival;
switch (tc)
{
case TypeCode.String:
string st = Runtime.GetManagedString(value);
if (st == null)
{
goto type_error;
}
result = st;
return(true);
case TypeCode.Int32:
// Trickery to support 64-bit platforms.
if (Runtime.IsPython2 && Runtime.Is32Bit)
{
op = Runtime.PyNumber_Int(value);
// As of Python 2.3, large ints magically convert :(
if (Runtime.PyLong_Check(op))
{
Runtime.XDecref(op);
goto overflow;
}
if (op == IntPtr.Zero)
{
if (Exceptions.ExceptionMatches(overflow))
{
goto overflow;
}
goto type_error;
}
ival = (int)Runtime.PyInt_AsLong(op);
Runtime.XDecref(op);
result = ival;
return(true);
}
else // Python3 always use PyLong API
{
op = Runtime.PyNumber_Long(value);
if (op == IntPtr.Zero)
{
Exceptions.Clear();
if (Exceptions.ExceptionMatches(overflow))
{
goto overflow;
}
goto type_error;
}
long ll = (long)Runtime.PyLong_AsLongLong(op);
Runtime.XDecref(op);
if (ll == -1 && Exceptions.ErrorOccurred())
{
goto overflow;
}
if (ll > Int32.MaxValue || ll < Int32.MinValue)
{
goto overflow;
}
result = (int)ll;
return(true);
}
case TypeCode.Boolean:
result = Runtime.PyObject_IsTrue(value) != 0;
return(true);
case TypeCode.Byte:
#if PYTHON3
if (Runtime.PyObject_TypeCheck(value, Runtime.PyBytesType))
{
if (Runtime.PyBytes_Size(value) == 1)
{
op = Runtime.PyBytes_AS_STRING(value);
result = (byte)Marshal.ReadByte(op);
return(true);
}
goto type_error;
}
#elif PYTHON2
if (Runtime.PyObject_TypeCheck(value, Runtime.PyStringType))
{
if (Runtime.PyString_Size(value) == 1)
{
op = Runtime.PyString_AsString(value);
result = (byte)Marshal.ReadByte(op);
return(true);
}
goto type_error;
}
#endif
op = Runtime.PyNumber_Int(value);
if (op == IntPtr.Zero)
{
if (Exceptions.ExceptionMatches(overflow))
{
goto overflow;
}
goto type_error;
}
ival = (int)Runtime.PyInt_AsLong(op);
Runtime.XDecref(op);
if (ival > Byte.MaxValue || ival < Byte.MinValue)
{
goto overflow;
}
byte b = (byte)ival;
result = b;
return(true);
case TypeCode.SByte:
#if PYTHON3
if (Runtime.PyObject_TypeCheck(value, Runtime.PyBytesType))
{
if (Runtime.PyBytes_Size(value) == 1)
{
op = Runtime.PyBytes_AS_STRING(value);
result = (byte)Marshal.ReadByte(op);
return(true);
}
goto type_error;
}
#elif PYTHON2
if (Runtime.PyObject_TypeCheck(value, Runtime.PyStringType))
{
if (Runtime.PyString_Size(value) == 1)
{
op = Runtime.PyString_AsString(value);
result = (sbyte)Marshal.ReadByte(op);
return(true);
}
goto type_error;
}
#endif
op = Runtime.PyNumber_Int(value);
if (op == IntPtr.Zero)
{
if (Exceptions.ExceptionMatches(overflow))
{
goto overflow;
}
goto type_error;
}
ival = (int)Runtime.PyInt_AsLong(op);
Runtime.XDecref(op);
if (ival > SByte.MaxValue || ival < SByte.MinValue)
{
goto overflow;
}
sbyte sb = (sbyte)ival;
result = sb;
return(true);
case TypeCode.Char:
#if PYTHON3
if (Runtime.PyObject_TypeCheck(value, Runtime.PyBytesType))
{
if (Runtime.PyBytes_Size(value) == 1)
{
op = Runtime.PyBytes_AS_STRING(value);
result = (byte)Marshal.ReadByte(op);
return(true);
}
goto type_error;
}
#elif PYTHON2
if (Runtime.PyObject_TypeCheck(value, Runtime.PyStringType))
{
if (Runtime.PyString_Size(value) == 1)
{
op = Runtime.PyString_AsString(value);
result = (char)Marshal.ReadByte(op);
return(true);
}
goto type_error;
}
#endif
else if (Runtime.PyObject_TypeCheck(value, Runtime.PyUnicodeType))
{
if (Runtime.PyUnicode_GetSize(value) == 1)
{
op = Runtime.PyUnicode_AsUnicode(value);
Char[] buff = new Char[1];
Marshal.Copy(op, buff, 0, 1);
result = buff[0];
return(true);
}
goto type_error;
}
op = Runtime.PyNumber_Int(value);
if (op == IntPtr.Zero)
{
goto type_error;
}
ival = Runtime.PyInt_AsLong(op);
Runtime.XDecref(op);
if (ival > Char.MaxValue || ival < Char.MinValue)
{
goto overflow;
}
result = (char)ival;
return(true);
case TypeCode.Int16:
op = Runtime.PyNumber_Int(value);
if (op == IntPtr.Zero)
{
if (Exceptions.ExceptionMatches(overflow))
{
goto overflow;
}
goto type_error;
}
ival = (int)Runtime.PyInt_AsLong(op);
Runtime.XDecref(op);
if (ival > Int16.MaxValue || ival < Int16.MinValue)
{
goto overflow;
}
short s = (short)ival;
result = s;
return(true);
case TypeCode.Int64:
op = Runtime.PyNumber_Long(value);
if (op == IntPtr.Zero)
{
if (Exceptions.ExceptionMatches(overflow))
{
goto overflow;
}
goto type_error;
}
long l = (long)Runtime.PyLong_AsLongLong(op);
Runtime.XDecref(op);
if ((l == -1) && Exceptions.ErrorOccurred())
{
goto overflow;
}
result = l;
return(true);
case TypeCode.UInt16:
op = Runtime.PyNumber_Int(value);
if (op == IntPtr.Zero)
{
if (Exceptions.ExceptionMatches(overflow))
{
goto overflow;
}
goto type_error;
}
ival = (int)Runtime.PyInt_AsLong(op);
Runtime.XDecref(op);
if (ival > UInt16.MaxValue || ival < UInt16.MinValue)
{
goto overflow;
}
ushort us = (ushort)ival;
result = us;
return(true);
case TypeCode.UInt32:
op = Runtime.PyNumber_Long(value);
if (op == IntPtr.Zero)
{
if (Exceptions.ExceptionMatches(overflow))
{
goto overflow;
}
goto type_error;
}
uint ui;
try
{
ui = Convert.ToUInt32(Runtime.PyLong_AsUnsignedLong(op));
} catch (OverflowException)
{
// Probably wasn't an overflow in python but was in C# (e.g. if cpython
// longs are 64 bit then 0xFFFFFFFF + 1 will not overflow in
// PyLong_AsUnsignedLong)
Runtime.XDecref(op);
goto overflow;
}
if (Exceptions.ErrorOccurred())
{
Runtime.XDecref(op);
goto overflow;
}
IntPtr check = Runtime.PyLong_FromUnsignedLong(ui);
int err = Runtime.PyObject_Compare(check, op);
Runtime.XDecref(check);
Runtime.XDecref(op);
if (0 != err || Exceptions.ErrorOccurred())
{
goto overflow;
}
result = ui;
return(true);
case TypeCode.UInt64:
op = Runtime.PyNumber_Long(value);
if (op == IntPtr.Zero)
{
if (Exceptions.ExceptionMatches(overflow))
{
goto overflow;
}
goto type_error;
}
ulong ul = (ulong)Runtime.PyLong_AsUnsignedLongLong(op);
Runtime.XDecref(op);
if (Exceptions.ErrorOccurred())
{
goto overflow;
}
result = ul;
return(true);
case TypeCode.Single:
op = Runtime.PyNumber_Float(value);
if (op == IntPtr.Zero)
{
if (Exceptions.ExceptionMatches(overflow))
{
goto overflow;
}
goto type_error;
}
double dd = Runtime.PyFloat_AsDouble(op);
Runtime.CheckExceptionOccurred();
Runtime.XDecref(op);
if (dd > Single.MaxValue || dd < Single.MinValue)
{
if (!double.IsInfinity(dd))
{
goto overflow;
}
}
result = (float)dd;
return(true);
case TypeCode.Double:
op = Runtime.PyNumber_Float(value);
if (op == IntPtr.Zero)
{
goto type_error;
}
double d = Runtime.PyFloat_AsDouble(op);
Runtime.CheckExceptionOccurred();
Runtime.XDecref(op);
result = d;
return(true);
}
type_error:
if (setError)
{
string tpName = Runtime.PyObject_GetTypeName(value);
Exceptions.SetError(Exceptions.TypeError, $"'{tpName}' value cannot be converted to {obType}");
}
return(false);
overflow:
if (setError)
{
Exceptions.SetError(Exceptions.OverflowError, "value too large to convert");
}
return(false);
}