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Detect py arch #961

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Merged
merged 5 commits into from
Oct 1, 2019
Merged

Detect py arch #961

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2048616
Detect python interpreter arch
jmlidbetter Sep 24, 2019
d8040fa
Updates PyLong_FromUnsignedLong to be interpreter arch aware
jmlidbetter Sep 24, 2019
c337688
Makes PyLong_AsUnsignedLong interpreter arch aware
jmlidbetter Sep 24, 2019
fb1e1ad
Updates CHANGELOG.md
jmlidbetter Sep 25, 2019
ac9294d
Gets size of C long from Is32Bit and IsWindows
jmlidbetter Oct 1, 2019
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Makes PyLong_AsUnsignedLong interpreter arch aware
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@jmlidbetter
jmlidbetter committed Sep 25, 2019
commit c337688033f16dad6e12cafd7fa09e3a4759a395
15 changes: 14 additions & 1 deletion src/runtime/converter.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -728,7 +728,20 @@ private static bool ToPrimitive(IntPtr value, Type obType, out object result, bo
}
goto type_error;
}
uint ui = (uint)Runtime.PyLong_AsUnsignedLong(op);

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())
{
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21 changes: 19 additions & 2 deletions src/runtime/runtime.cs
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Expand Up @@ -1115,8 +1115,25 @@ internal static IntPtr PyLong_FromUnsignedLong(object value)
[DllImport(_PythonDll, CallingConvention = CallingConvention.Cdecl)]
internal static extern int PyLong_AsLong(IntPtr value);

[DllImport(_PythonDll, CallingConvention = CallingConvention.Cdecl)]
internal static extern uint PyLong_AsUnsignedLong(IntPtr value);
[DllImport(_PythonDll, CallingConvention = CallingConvention.Cdecl,
EntryPoint = "PyLong_AsUnsignedLong")]
internal static extern uint PyLong_AsUnsignedLong32(IntPtr value);

[DllImport(_PythonDll, CallingConvention = CallingConvention.Cdecl,
EntryPoint = "PyLong_AsUnsignedLong")]
internal static extern ulong PyLong_AsUnsignedLong64(IntPtr value);

internal static object PyLong_AsUnsignedLong(IntPtr value)
{
if (PythonArchitecture == MachineType.i386)
return PyLong_AsUnsignedLong32(value);
else if (PythonArchitecture == MachineType.x86_64)
return PyLong_AsUnsignedLong64(value);
else
return PyLong_AsUnsignedLong64(value);
}



[DllImport(_PythonDll, CallingConvention = CallingConvention.Cdecl)]
internal static extern long PyLong_AsLongLong(IntPtr value);
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